#include <vppinfra/cache.h>
-// Drop node for feature bitmaps
-// For features that just do a drop, or are not yet implemented.
-// Initial feature dispatch nodes don't need to set b0->error
-// in case of a possible drop because that will be done here.
-// The next node is always error-drop.
-
+/*
+ * Drop node for feature bitmaps
+ * For features that just do a drop, or are not yet implemented.
+ * Initial feature dispatch nodes don't need to set b0->error
+ * in case of a possible drop because that will be done here.
+ *The next node is always error-drop.
+ */
static vlib_node_registration_t feat_bitmap_drop_node;
_(NO_FWD, "L2 feature forwarding disabled") \
_(NYI, "L2 feature not implemented")
-typedef enum {
+typedef enum
+{
#define _(sym,str) FEAT_BITMAP_DROP_ERROR_##sym,
foreach_feat_bitmap_drop_error
#undef _
- FEAT_BITMAP_DROP_N_ERROR,
+ FEAT_BITMAP_DROP_N_ERROR,
} feat_bitmap_drop_error_t;
-static char * feat_bitmap_drop_error_strings[] = {
+static char *feat_bitmap_drop_error_strings[] = {
#define _(sym,string) string,
foreach_feat_bitmap_drop_error
#undef _
};
-typedef enum {
+typedef enum
+{
FEAT_BITMAP_DROP_NEXT_DROP,
FEAT_BITMAP_DROP_N_NEXT,
} feat_bitmap_drop_next_t;
-typedef struct {
+typedef struct
+{
u32 feature_bitmap;
} feat_bitmap_drop_trace_t;
/* packet trace format function */
-static u8 * format_feat_bitmap_drop_trace (u8 * s, va_list * args)
+static u8 *
+format_feat_bitmap_drop_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- feat_bitmap_drop_trace_t * t = va_arg (*args, feat_bitmap_drop_trace_t *);
-
- s = format (s, "feat_bitmap_drop: feature bitmap 0x%08x", t->feature_bitmap);
+ feat_bitmap_drop_trace_t *t = va_arg (*args, feat_bitmap_drop_trace_t *);
+
+ s =
+ format (s, "feat_bitmap_drop: feature bitmap 0x%08x", t->feature_bitmap);
return s;
}
static uword
feat_bitmap_drop_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
feat_bitmap_drop_next_t next_index;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
-
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- feat_bitmap_drop_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->feature_bitmap = vnet_buffer(b0)->l2.feature_bitmap;
- }
-
- if (vnet_buffer(b0)->l2.feature_bitmap == 1) {
- // If we are executing the last feature, this is the
- // No forwarding catch-all
- b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NO_FWD];
- } else {
- b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NYI];
- }
- next0 = FEAT_BITMAP_DROP_NEXT_DROP;
-
- /* verify speculative enqueue, maybe switch current next frame */
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ feat_bitmap_drop_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->feature_bitmap = vnet_buffer (b0)->l2.feature_bitmap;
+ }
+
+ if (vnet_buffer (b0)->l2.feature_bitmap == 1)
+ {
+ /*
+ * If we are executing the last feature, this is the
+ * No forwarding catch-all
+ */
+ b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NO_FWD];
+ }
+ else
+ {
+ b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NYI];
+ }
+ next0 = FEAT_BITMAP_DROP_NEXT_DROP;
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
return frame->n_vectors;
}
-clib_error_t *feat_bitmap_drop_init (vlib_main_t *vm)
+clib_error_t *
+feat_bitmap_drop_init (vlib_main_t * vm)
{
return 0;
}
VLIB_INIT_FUNCTION (feat_bitmap_drop_init);
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (feat_bitmap_drop_node,static) = {
.function = feat_bitmap_drop_node_fn,
.name = "feature-bitmap-drop",
.vector_size = sizeof (u32),
.format_trace = format_feat_bitmap_drop_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(feat_bitmap_drop_error_strings),
.error_strings = feat_bitmap_drop_error_strings,
/* edit / add dispositions here */
.next_nodes = {
- [FEAT_BITMAP_DROP_NEXT_DROP] = "error-drop",
+ [FEAT_BITMAP_DROP_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
-
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vlib/vlib.h>
#include <vnet/vnet.h>
-/*
+/*
* The feature bitmap is a way of organizing input and output feature graph nodes.
- * The set of features to be executed are arranged in a bitmap with one bit per
- * feature and each bit positioned in the same order that the features should be
- * executed. Features can be dynamically removed from the set by masking off their
+ * The set of features to be executed are arranged in a bitmap with one bit per
+ * feature and each bit positioned in the same order that the features should be
+ * executed. Features can be dynamically removed from the set by masking off their
* corresponding bits. The bitmap is stored in packet context. Each feature clears
- * its bit and then calls feat_bitmap_get_next_node_index() to go to the next
+ * its bit and then calls feat_bitmap_get_next_node_index() to go to the next
* graph node.
*/
-// 32 features in a u32 bitmap
+/* 32 features in a u32 bitmap */
#define FEAT_MAX 32
-// Initialize the feature next-node indexes of a graph node.
-// Should be called by the init function of each feature graph node.
-always_inline
-void feat_bitmap_init_next_nodes (
- vlib_main_t * vm,
- u32 node_index, // the current graph node index
- u32 num_features, // number of entries in feat_names
- char ** feat_names, // array of feature graph node names
- u32 * next_nodes) // array of 32 next indexes to init
+/**
+ Initialize the feature next-node indexes of a graph node.
+ Should be called by the init function of each feature graph node.
+*/
+always_inline void
+feat_bitmap_init_next_nodes (vlib_main_t * vm, u32 node_index, /* the current graph node index */
+ u32 num_features, /* number of entries in feat_names */
+ char **feat_names, /* array of feature graph node names */
+ u32 * next_nodes) /* array of 32 next indexes to init */
{
u32 idx;
- ASSERT(num_features <= FEAT_MAX);
+ ASSERT (num_features <= FEAT_MAX);
+
+ for (idx = 0; idx < num_features; idx++)
+ {
+ if (vlib_get_node_by_name (vm, (u8 *) feat_names[idx]))
+ {
+ next_nodes[idx] =
+ vlib_node_add_named_next (vm, node_index, feat_names[idx]);
+ }
+ else
+ { // Node may be in plugin which is not installed, use drop node
+ next_nodes[idx] =
+ vlib_node_add_named_next (vm, node_index, "feature-bitmap-drop");
+ }
+ }
- for (idx=0; idx<num_features; idx++) {
- if (vlib_get_node_by_name(vm, (u8 *) feat_names[idx])) {
- next_nodes[idx] =
- vlib_node_add_named_next(vm, node_index, feat_names[idx]);
- } else { // Node may be in plugin which is not installed, use drop node
- next_nodes[idx] =
- vlib_node_add_named_next(vm, node_index, "feature-bitmap-drop");
+ /* All unassigned bits go to the drop node */
+ for (; idx < FEAT_MAX; idx++)
+ {
+ next_nodes[idx] = vlib_node_add_named_next (vm, node_index,
+ "feature-bitmap-drop");
}
- }
-
- // All unassigned bits go to the drop node
- for (; idx<FEAT_MAX; idx++) {
- next_nodes[idx] = vlib_node_add_named_next(vm, node_index, "feature-bitmap-drop");
- }
}
-// Return the graph node index for the feature corresponding to the
-// first set bit in the bitmap.
+/**
+ Return the graph node index for the feature corresponding to the
+ first set bit in the bitmap.
+*/
always_inline
-u32 feat_bitmap_get_next_node_index (u32 * next_nodes, u32 bitmap)
+ u32 feat_bitmap_get_next_node_index (u32 * next_nodes, u32 bitmap)
{
u32 first_bit;
- count_leading_zeros(first_bit, bitmap);
+ count_leading_zeros (first_bit, bitmap);
first_bit = uword_bits - 1 - first_bit;
return next_nodes[first_bit];
}
-#endif // included_vnet_l2_feat_bitmap_h
+#endif /* included_vnet_l2_feat_bitmap_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
bd_main_t bd_main;
-// Init bridge domain if not done already
-// For feature bitmap, set all bits except ARP termination
+/**
+ Init bridge domain if not done already
+ For feature bitmap, set all bits except ARP termination
+*/
void
-bd_validate (l2_bridge_domain_t * bd_config)
+bd_validate (l2_bridge_domain_t * bd_config)
{
- if (!bd_is_valid (bd_config)) {
- bd_config->feature_bitmap = ~L2INPUT_FEAT_ARP_TERM;
- bd_config->bvi_sw_if_index = ~0;
- bd_config->members = 0;
- bd_config->mac_by_ip4 = 0;
-// bd_config->mac_by_ip6 = hash_create_mem (0, sizeof(ip6_address_t),
-// sizeof(uword));
- }
+ if (!bd_is_valid (bd_config))
+ {
+ bd_config->feature_bitmap = ~L2INPUT_FEAT_ARP_TERM;
+ bd_config->bvi_sw_if_index = ~0;
+ bd_config->members = 0;
+ bd_config->mac_by_ip4 = 0;
+ }
}
-u32 bd_find_or_add_bd_index (bd_main_t * bdm, u32 bd_id)
+u32
+bd_find_or_add_bd_index (bd_main_t * bdm, u32 bd_id)
{
- uword * p;
+ uword *p;
u32 rv;
- if (bd_id == ~0) {
- bd_id = 0;
- while (hash_get (bdm->bd_index_by_bd_id, bd_id))
- bd_id++;
- } else {
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p)
- return (p[0]);
- }
-
+ if (bd_id == ~0)
+ {
+ bd_id = 0;
+ while (hash_get (bdm->bd_index_by_bd_id, bd_id))
+ bd_id++;
+ }
+ else
+ {
+ p = hash_get (bdm->bd_index_by_bd_id, bd_id);
+ if (p)
+ return (p[0]);
+ }
+
rv = clib_bitmap_first_clear (bdm->bd_index_bitmap);
- // mark this index busy
+ /* mark this index busy */
bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, rv, 1);
hash_set (bdm->bd_index_by_bd_id, bd_id, rv);
return rv;
}
-int bd_delete_bd_index (bd_main_t * bdm, u32 bd_id)
+int
+bd_delete_bd_index (bd_main_t * bdm, u32 bd_id)
{
- uword * p;
+ uword *p;
u32 bd_index;
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
return -1;
bd_index = p[0];
-
- // mark this index clear
+
+ /* mark this index clear */
bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap, bd_index, 0);
hash_unset (bdm->bd_index_by_bd_id, bd_id);
}
void
-bd_add_member (l2_bridge_domain_t * bd_config,
- l2_flood_member_t * member)
+bd_add_member (l2_bridge_domain_t * bd_config, l2_flood_member_t * member)
{
- // Add one element to the vector
-
- // When flooding, the bvi interface (if present) must be the last member
- // processed due to how BVI processing can change the packet. To enable
- // this order, we make the bvi interface the first in the vector and
- // flooding walks the vector in reverse.
+ /*
+ * Add one element to the vector
+ *
+ * When flooding, the bvi interface (if present) must be the last member
+ * processed due to how BVI processing can change the packet. To enable
+ * this order, we make the bvi interface the first in the vector and
+ * flooding walks the vector in reverse.
+ */
if ((member->flags == L2_FLOOD_MEMBER_NORMAL) ||
- (vec_len(bd_config->members) == 0)) {
- vec_add1 (bd_config->members, *member);
+ (vec_len (bd_config->members) == 0))
+ {
+ vec_add1 (bd_config->members, *member);
- } else {
- // Move 0th element to the end
- vec_add1 (bd_config->members, bd_config->members[0]);
- bd_config->members[0] = *member;
- }
+ }
+ else
+ {
+ /* Move 0th element to the end */
+ vec_add1 (bd_config->members, bd_config->members[0]);
+ bd_config->members[0] = *member;
+ }
}
#define BD_REMOVE_ERROR_NOT_FOUND 1
u32
-bd_remove_member (l2_bridge_domain_t * bd_config,
- u32 sw_if_index)
+bd_remove_member (l2_bridge_domain_t * bd_config, u32 sw_if_index)
{
u32 ix;
-
- // Find and delete the member
- vec_foreach_index(ix, bd_config->members) {
- if (vec_elt(bd_config->members, ix).sw_if_index == sw_if_index) {
- vec_del1 (bd_config->members, ix);
- return BD_REMOVE_ERROR_OK;
- }
+
+ /* Find and delete the member */
+ vec_foreach_index (ix, bd_config->members)
+ {
+ if (vec_elt (bd_config->members, ix).sw_if_index == sw_if_index)
+ {
+ vec_del1 (bd_config->members, ix);
+ return BD_REMOVE_ERROR_OK;
+ }
}
return BD_REMOVE_ERROR_NOT_FOUND;
}
-clib_error_t *l2bd_init (vlib_main_t *vm)
+clib_error_t *
+l2bd_init (vlib_main_t * vm)
{
bd_main_t *bdm = &bd_main;
u32 bd_index;
- bdm->bd_index_by_bd_id = hash_create (0, sizeof(uword));
- // create a dummy bd with bd_id of 0 and bd_index of 0 with feature set
- // to packet drop only. Thus, packets received from any L2 interface with
- // uninitialized bd_index of 0 can be dropped safely.
+ bdm->bd_index_by_bd_id = hash_create (0, sizeof (uword));
+ /*
+ * create a dummy bd with bd_id of 0 and bd_index of 0 with feature set
+ * to packet drop only. Thus, packets received from any L2 interface with
+ * uninitialized bd_index of 0 can be dropped safely.
+ */
bd_index = bd_find_or_add_bd_index (bdm, 0);
ASSERT (bd_index == 0);
- l2input_main.bd_configs[0].feature_bitmap = L2INPUT_FEAT_DROP;
+ l2input_main.bd_configs[0].feature_bitmap = L2INPUT_FEAT_DROP;
return 0;
}
VLIB_INIT_FUNCTION (l2bd_init);
-// Set the learn/forward/flood flags for the bridge domain
-// Return 0 if ok, non-zero if for an error.
-u32
-bd_set_flags (vlib_main_t * vm,
- u32 bd_index,
- u32 flags,
- u32 enable) {
+/**
+ Set the learn/forward/flood flags for the bridge domain
+ Return 0 if ok, non-zero if for an error.
+*/
+u32
+bd_set_flags (vlib_main_t * vm, u32 bd_index, u32 flags, u32 enable)
+{
- l2_bridge_domain_t * bd_config;
+ l2_bridge_domain_t *bd_config;
u32 feature_bitmap = 0;
vec_validate (l2input_main.bd_configs, bd_index);
- bd_config = vec_elt_at_index(l2input_main.bd_configs, bd_index);
+ bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
bd_validate (bd_config);
- if (flags & L2_LEARN) {
- feature_bitmap |= L2INPUT_FEAT_LEARN;
- }
- if (flags & L2_FWD) {
- feature_bitmap |= L2INPUT_FEAT_FWD;
- }
- if (flags & L2_FLOOD) {
- feature_bitmap |= L2INPUT_FEAT_FLOOD;
- }
- if (flags & L2_UU_FLOOD) {
- feature_bitmap |= L2INPUT_FEAT_UU_FLOOD;
- }
- if (flags & L2_ARP_TERM) {
- feature_bitmap |= L2INPUT_FEAT_ARP_TERM;
- }
+ if (flags & L2_LEARN)
+ {
+ feature_bitmap |= L2INPUT_FEAT_LEARN;
+ }
+ if (flags & L2_FWD)
+ {
+ feature_bitmap |= L2INPUT_FEAT_FWD;
+ }
+ if (flags & L2_FLOOD)
+ {
+ feature_bitmap |= L2INPUT_FEAT_FLOOD;
+ }
+ if (flags & L2_UU_FLOOD)
+ {
+ feature_bitmap |= L2INPUT_FEAT_UU_FLOOD;
+ }
+ if (flags & L2_ARP_TERM)
+ {
+ feature_bitmap |= L2INPUT_FEAT_ARP_TERM;
+ }
- if (enable) {
- bd_config->feature_bitmap |= feature_bitmap;
- } else {
- bd_config->feature_bitmap &= ~feature_bitmap;
- }
+ if (enable)
+ {
+ bd_config->feature_bitmap |= feature_bitmap;
+ }
+ else
+ {
+ bd_config->feature_bitmap &= ~feature_bitmap;
+ }
return 0;
}
-// set bridge-domain learn enable/disable
-// The CLI format is:
-// set bridge-domain learn <bd_id> [disable]
+/**
+ set bridge-domain learn enable/disable
+ The CLI format is:
+ set bridge-domain learn <bd_id> [disable]
+*/
static clib_error_t *
bd_learn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- clib_error_t * error = 0;
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
u32 bd_index, bd_id;
u32 enable;
- uword * p;
-
- if (! unformat (input, "%d", &bd_id))
+ uword *p;
+
+ if (!unformat (input, "%d", &bd_id))
{
error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
if (p == 0)
return clib_error_return (0, "No such bridge domain %d", bd_id);
-
+
bd_index = p[0];
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
- // set the bridge domain flag
- if (bd_set_flags(vm, bd_index, L2_LEARN, enable)) {
- error = clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
+ /* set the bridge domain flag */
+ if (bd_set_flags (vm, bd_index, L2_LEARN, enable))
+ {
+ error =
+ clib_error_return (0, "bridge-domain id %d out of range", bd_index);
+ goto done;
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (bd_learn_cli, static) = {
.path = "set bridge-domain learn",
.short_help = "set bridge-domain learn <bridge-domain-id> [disable]",
.function = bd_learn,
};
+/* *INDENT-ON* */
-// set bridge-domain forward enable/disable
-// The CLI format is:
-// set bridge-domain forward <bd_index> [disable]
+/**
+ set bridge-domain forward enable/disable
+ The CLI format is:
+ set bridge-domain forward <bd_index> [disable]
+*/
static clib_error_t *
-bd_fwd (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+bd_fwd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- clib_error_t * error = 0;
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
u32 bd_index, bd_id;
u32 enable;
- uword * p;
+ uword *p;
- if (! unformat (input, "%d", &bd_id))
+ if (!unformat (input, "%d", &bd_id))
{
error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
if (p == 0)
return clib_error_return (0, "No such bridge domain %d", bd_id);
-
+
bd_index = p[0];
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
- // set the bridge domain flag
- if (bd_set_flags(vm, bd_index, L2_FWD, enable)) {
- error = clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
+ /* set the bridge domain flag */
+ if (bd_set_flags (vm, bd_index, L2_FWD, enable))
+ {
+ error =
+ clib_error_return (0, "bridge-domain id %d out of range", bd_index);
+ goto done;
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (bd_fwd_cli, static) = {
.path = "set bridge-domain forward",
.short_help = "set bridge-domain forward <bridge-domain-id> [disable]",
.function = bd_fwd,
};
+/* *INDENT-ON* */
-// set bridge-domain flood enable/disable
-// The CLI format is:
-// set bridge-domain flood <bd_index> [disable]
+/**
+ set bridge-domain flood enable/disable
+ The CLI format is:
+ set bridge-domain flood <bd_index> [disable]
+*/
static clib_error_t *
bd_flood (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- clib_error_t * error = 0;
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
u32 bd_index, bd_id;
u32 enable;
- uword * p;
+ uword *p;
- if (! unformat (input, "%d", &bd_id))
+ if (!unformat (input, "%d", &bd_id))
{
error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
if (p == 0)
return clib_error_return (0, "No such bridge domain %d", bd_id);
-
+
bd_index = p[0];
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
- // set the bridge domain flag
- if (bd_set_flags(vm, bd_index, L2_FLOOD, enable)) {
- error = clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
+ /* set the bridge domain flag */
+ if (bd_set_flags (vm, bd_index, L2_FLOOD, enable))
+ {
+ error =
+ clib_error_return (0, "bridge-domain id %d out of range", bd_index);
+ goto done;
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (bd_flood_cli, static) = {
.path = "set bridge-domain flood",
.short_help = "set bridge-domain flood <bridge-domain-id> [disable]",
.function = bd_flood,
};
+/* *INDENT-ON* */
-// set bridge-domain unkown-unicast flood enable/disable
-// The CLI format is:
-// set bridge-domain uu-flood <bd_index> [disable]
+/**
+ set bridge-domain unkown-unicast flood enable/disable
+ The CLI format is:
+ set bridge-domain uu-flood <bd_index> [disable]
+*/
static clib_error_t *
bd_uu_flood (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- clib_error_t * error = 0;
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
u32 bd_index, bd_id;
u32 enable;
- uword * p;
+ uword *p;
- if (! unformat (input, "%d", &bd_id))
+ if (!unformat (input, "%d", &bd_id))
{
error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
if (p == 0)
return clib_error_return (0, "No such bridge domain %d", bd_id);
-
+
bd_index = p[0];
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
- // set the bridge domain flag
- if (bd_set_flags(vm, bd_index, L2_UU_FLOOD, enable)) {
- error = clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
+ /* set the bridge domain flag */
+ if (bd_set_flags (vm, bd_index, L2_UU_FLOOD, enable))
+ {
+ error =
+ clib_error_return (0, "bridge-domain id %d out of range", bd_index);
+ goto done;
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (bd_uu_flood_cli, static) = {
.path = "set bridge-domain uu-flood",
.short_help = "set bridge-domain uu-flood <bridge-domain-id> [disable]",
.function = bd_uu_flood,
};
+/* *INDENT-ON* */
-// set bridge-domain arp term enable/disable
-// The CLI format is:
-// set bridge-domain arp term <bridge-domain-id> [disable]
+/**
+ set bridge-domain arp term enable/disable
+ The CLI format is:
+ set bridge-domain arp term <bridge-domain-id> [disable]
+*/
static clib_error_t *
bd_arp_term (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- clib_error_t * error = 0;
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
u32 bd_index, bd_id;
u32 enable;
- uword * p;
+ uword *p;
- if (! unformat (input, "%d", &bd_id)) {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
+ if (!unformat (input, "%d", &bd_id))
+ {
+ error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p) bd_index = *p;
- else return clib_error_return (0, "No such bridge domain %d", bd_id);
-
+ if (p)
+ bd_index = *p;
+ else
+ return clib_error_return (0, "No such bridge domain %d", bd_id);
+
enable = 1;
- if (unformat (input, "disable")) enable = 0;
+ if (unformat (input, "disable"))
+ enable = 0;
- // set the bridge domain flag
- if (bd_set_flags(vm, bd_index, L2_ARP_TERM, enable)) {
- error = clib_error_return (0, "bridge-domain id %d out of range", bd_index);
- goto done;
- }
+ /* set the bridge domain flag */
+ if (bd_set_flags (vm, bd_index, L2_ARP_TERM, enable))
+ {
+ error =
+ clib_error_return (0, "bridge-domain id %d out of range", bd_index);
+ goto done;
+ }
done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (bd_arp_term_cli, static) = {
.path = "set bridge-domain arp term",
.short_help = "set bridge-domain arp term <bridge-domain-id> [disable]",
.function = bd_arp_term,
};
+/* *INDENT-ON* */
-// The clib hash implementation stores uword entries in the hash table.
-// The hash table mac_by_ip4 is keyed via IP4 address and store the
-// 6-byte MAC address directly in the hash table entry uword.
-// This only works for 64-bit processor with 8-byte uword; which means
-// this code *WILL NOT WORK* for a 32-bit prcessor with 4-byte uword.
-u32 bd_add_del_ip_mac(u32 bd_index,
- u8 *ip_addr,
- u8 *mac_addr,
- u8 is_ip6,
- u8 is_add)
+/**
+ * The clib hash implementation stores uword entries in the hash table.
+ * The hash table mac_by_ip4 is keyed via IP4 address and store the
+ * 6-byte MAC address directly in the hash table entry uword.
+ * This only works for 64-bit processor with 8-byte uword; which means
+ * this code *WILL NOT WORK* for a 32-bit prcessor with 4-byte uword.
+ */
+u32
+bd_add_del_ip_mac (u32 bd_index,
+ u8 * ip_addr, u8 * mac_addr, u8 is_ip6, u8 is_add)
{
- l2input_main_t * l2im = &l2input_main;
- l2_bridge_domain_t * bd_cfg = l2input_bd_config_from_index (l2im, bd_index);
+ l2input_main_t *l2im = &l2input_main;
+ l2_bridge_domain_t *bd_cfg = l2input_bd_config_from_index (l2im, bd_index);
u64 new_mac = *(u64 *) mac_addr;
- u64 * old_mac;
- u16 * mac16 = (u16 *) &new_mac;
-
- ASSERT (sizeof(uword) == sizeof(u64)); // make sure uword is 8 bytes
-
- mac16[3] = 0; // Clear last 2 unsed bytes of the 8-byte MAC address
- if (is_ip6) {
- // ip6_address_t ip6_addr = *(ip6_address_t *) ip_addr;
- return 1; // not yet implemented
- } else {
- ip4_address_t ip4_addr = *(ip4_address_t *) ip_addr;
- old_mac = (u64 *) hash_get (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
- if (is_add) {
- if (old_mac && (*old_mac == new_mac)) return 0; // mac entry already exist
- hash_set (bd_cfg->mac_by_ip4, ip4_addr.as_u32, new_mac);
- } else {
- if (old_mac && (*old_mac == new_mac)) { // mac entry match
- hash_unset (bd_cfg->mac_by_ip4, ip4_addr.as_u32); // clear entry
- } else {
- return 1;
- }
+ u64 *old_mac;
+ u16 *mac16 = (u16 *) & new_mac;
+
+ ASSERT (sizeof (uword) == sizeof (u64)); /* make sure uword is 8 bytes */
+
+ mac16[3] = 0; // Clear last 2 unsed bytes of the 8-byte MAC address
+ if (is_ip6)
+ {
+ /* not yet implemented */
+ return 1;
+ }
+ else
+ {
+ ip4_address_t ip4_addr = *(ip4_address_t *) ip_addr;
+ old_mac = (u64 *) hash_get (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
+ if (is_add)
+ {
+ /* mac entry already exist? */
+ if (old_mac && (*old_mac == new_mac))
+ return 0;
+ hash_set (bd_cfg->mac_by_ip4, ip4_addr.as_u32, new_mac);
+ }
+ else
+ {
+ /* Mac entry match? */
+ if (old_mac && (*old_mac == new_mac))
+ {
+ /* clear entry */
+ hash_unset (bd_cfg->mac_by_ip4, ip4_addr.as_u32);
+ }
+ else
+ {
+ return 1;
+ }
+ }
+ return 0;
}
- return 0;
- }
}
-// set bridge-domain arp entry add/delete
-// The CLI format is:
-// set bridge-domain arp entry <bd-id> <ip-addr> <mac-addr> [del]
+/**
+ set bridge-domain arp entry add/delete
+ The CLI format is:
+ set bridge-domain arp entry <bd-id> <ip-addr> <mac-addr> [del]
+*/
static clib_error_t *
bd_arp_entry (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- clib_error_t * error = 0;
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
u32 bd_index, bd_id;
u8 is_add = 1;
u8 is_ip6 = 0;
u8 ip_addr[16];
u8 mac_addr[6];
- uword * p;
+ uword *p;
- if (! unformat (input, "%d", &bd_id)) {
- error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
- format_unformat_error, input);
- goto done;
- }
+ if (!unformat (input, "%d", &bd_id))
+ {
+ error = clib_error_return (0, "expecting bridge-domain id but got `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p) bd_index = *p;
- else return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- if (unformat (input, "%U", unformat_ip4_address, ip_addr)) {
- is_ip6 = 0;
- } else if (unformat (input, "%U", unformat_ip6_address, ip_addr)) {
- is_ip6 = 1;
- } else {
- error = clib_error_return (0, "expecting IP address but got `%U'",
- format_unformat_error, input);
- goto done;
- }
+ if (p)
+ bd_index = *p;
+ else
+ return clib_error_return (0, "No such bridge domain %d", bd_id);
- if (!unformat(input, "%U", unformat_ethernet_address, mac_addr)) {
- error = clib_error_return (0, "expecting MAC address but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- if (unformat (input, "del")) {
- is_add = 0;
- }
+ if (unformat (input, "%U", unformat_ip4_address, ip_addr))
+ {
+ is_ip6 = 0;
+ }
+ else if (unformat (input, "%U", unformat_ip6_address, ip_addr))
+ {
+ is_ip6 = 1;
+ }
+ else
+ {
+ error = clib_error_return (0, "expecting IP address but got `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
- // set the bridge domain flagAdd IP-MAC entry into bridge domain
- if (bd_add_del_ip_mac(bd_index, ip_addr, mac_addr, is_ip6, is_add)) {
- error = clib_error_return (0, "MAC %s for IP %U and MAC %U failed",
- is_add ? "add" : "del",
- format_ip4_address, ip_addr,
- format_ethernet_address, mac_addr);
- }
+ if (!unformat (input, "%U", unformat_ethernet_address, mac_addr))
+ {
+ error = clib_error_return (0, "expecting MAC address but got `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+
+ if (unformat (input, "del"))
+ {
+ is_add = 0;
+ }
+
+ /* set the bridge domain flagAdd IP-MAC entry into bridge domain */
+ if (bd_add_del_ip_mac (bd_index, ip_addr, mac_addr, is_ip6, is_add))
+ {
+ error = clib_error_return (0, "MAC %s for IP %U and MAC %U failed",
+ is_add ? "add" : "del",
+ format_ip4_address, ip_addr,
+ format_ethernet_address, mac_addr);
+ }
done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (bd_arp_entry_cli, static) = {
.path = "set bridge-domain arp entry",
.short_help = "set bridge-domain arp entry <bd-id> <ip-addr> <mac-addr> [del]",
.function = bd_arp_entry,
};
+/* *INDENT-ON* */
-u8* format_vtr(u8 * s, va_list *args)
+u8 *
+format_vtr (u8 * s, va_list * args)
{
- u32 vtr_op = va_arg (*args, u32);
- u32 dot1q = va_arg (*args, u32);
- u32 tag1 = va_arg (*args, u32);
- u32 tag2 = va_arg (*args, u32);
- switch (vtr_op) {
+ u32 vtr_op = va_arg (*args, u32);
+ u32 dot1q = va_arg (*args, u32);
+ u32 tag1 = va_arg (*args, u32);
+ u32 tag2 = va_arg (*args, u32);
+ switch (vtr_op)
+ {
case L2_VTR_DISABLED:
- return format (s, "none");
+ return format (s, "none");
case L2_VTR_PUSH_1:
- return format (s, "push-1 %s %d", dot1q? "dot1q":"dot1ad", tag1);
+ return format (s, "push-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
case L2_VTR_PUSH_2:
- return format (s, "push-2 %s %d %d", dot1q? "dot1q":"dot1ad", tag1, tag2);
+ return format (s, "push-2 %s %d %d", dot1q ? "dot1q" : "dot1ad", tag1,
+ tag2);
case L2_VTR_POP_1:
- return format (s, "pop-1");
+ return format (s, "pop-1");
case L2_VTR_POP_2:
- return format (s, "pop-2");
+ return format (s, "pop-2");
case L2_VTR_TRANSLATE_1_1:
- return format (s, "trans-1-1 %s %d", dot1q? "dot1q":"dot1ad", tag1);
+ return format (s, "trans-1-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
case L2_VTR_TRANSLATE_1_2:
- return format (s, "trans-1-2 %s %d %d",dot1q? "dot1q":"dot1ad", tag1, tag2);
+ return format (s, "trans-1-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
+ tag1, tag2);
case L2_VTR_TRANSLATE_2_1:
- return format (s, "trans-2-1 %s %d", dot1q? "dot1q":"dot1ad", tag1);
+ return format (s, "trans-2-1 %s %d", dot1q ? "dot1q" : "dot1ad", tag1);
case L2_VTR_TRANSLATE_2_2:
- return format (s, "trans-2-2 %s %d %d", dot1q? "dot1q":"dot1ad", tag1, tag2);
+ return format (s, "trans-2-2 %s %d %d", dot1q ? "dot1q" : "dot1ad",
+ tag1, tag2);
default:
- return format (s, "none");
+ return format (s, "none");
}
}
-// show bridge-domain state
-// The CLI format is:
-// show bridge-domain [<bd_index>]
+/**
+ show bridge-domain state
+ The CLI format is:
+ show bridge-domain [<bd_index>]
+*/
static clib_error_t *
-bd_show (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+bd_show (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- bd_main_t * bdm = &bd_main;
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
u32 bd_index = ~0;
- l2_bridge_domain_t * bd_config;
+ l2_bridge_domain_t *bd_config;
u32 start, end;
u32 printed;
u32 detail = 0;
u32 intf = 0;
u32 arp = 0;
u32 bd_id = ~0;
- uword * p;
+ uword *p;
start = 0;
- end = vec_len(l2input_main.bd_configs);
-
- if (unformat (input, "%d", &bd_id)) {
- if (unformat (input, "detail")) detail = 1;
- else if (unformat (input, "det")) detail = 1;
- if (unformat (input, "int")) intf = 1;
- if (unformat (input, "arp")) arp = 1;
-
- p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p) bd_index = *p;
- else return clib_error_return (0, "No such bridge domain %d", bd_id);
-
- vec_validate (l2input_main.bd_configs, bd_index);
- bd_config = vec_elt_at_index(l2input_main.bd_configs, bd_index);
- if (bd_is_valid (bd_config)) {
- start = bd_index;
- end = start + 1;
- } else {
- vlib_cli_output (vm, "bridge-domain %d not in use", bd_id);
- goto done;
- }
- }
+ end = vec_len (l2input_main.bd_configs);
- // Show all bridge-domains that have been initialized
+ if (unformat (input, "%d", &bd_id))
+ {
+ if (unformat (input, "detail"))
+ detail = 1;
+ else if (unformat (input, "det"))
+ detail = 1;
+ if (unformat (input, "int"))
+ intf = 1;
+ if (unformat (input, "arp"))
+ arp = 1;
+
+ p = hash_get (bdm->bd_index_by_bd_id, bd_id);
+ if (p)
+ bd_index = *p;
+ else
+ return clib_error_return (0, "No such bridge domain %d", bd_id);
+
+ vec_validate (l2input_main.bd_configs, bd_index);
+ bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
+ if (bd_is_valid (bd_config))
+ {
+ start = bd_index;
+ end = start + 1;
+ }
+ else
+ {
+ vlib_cli_output (vm, "bridge-domain %d not in use", bd_id);
+ goto done;
+ }
+ }
+ /* Show all bridge-domains that have been initialized */
printed = 0;
- for (bd_index=start; bd_index<end; bd_index++) {
- bd_config = vec_elt_at_index(l2input_main.bd_configs, bd_index);
- if (bd_is_valid(bd_config)) {
- if (!printed) {
- printed = 1;
- vlib_cli_output (vm, "%=5s %=7s %=10s %=10s %=10s %=10s %=10s %=14s",
- "ID",
- "Index",
- "Learning",
- "U-Forwrd",
- "UU-Flood",
- "Flooding",
- "ARP-Term",
- "BVI-Intf");
- }
-
- vlib_cli_output (
- vm, "%=5d %=7d %=10s %=10s %=10s %=10s %=10s %=14U",
- bd_config->bd_id, bd_index,
- bd_config->feature_bitmap & L2INPUT_FEAT_LEARN ? "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_FWD ? "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_UU_FLOOD ? "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD ? "on" : "off",
- bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM ? "on" : "off",
- format_vnet_sw_if_index_name_with_NA, vnm, bd_config->bvi_sw_if_index);
-
- if (detail || intf) {
- // Show all member interfaces
-
- l2_flood_member_t * member;
- u32 header = 0;
-
- vec_foreach(member, bd_config->members) {
- u32 vtr_opr, dot1q, tag1, tag2;
- if (!header) {
- header = 1;
- vlib_cli_output (vm, "\n%=30s%=7s%=5s%=5s%=30s",
- "Interface", "Index", "SHG", "BVI","VLAN-Tag-Rewrite");
- }
- l2vtr_get(vm, vnm, member->sw_if_index, &vtr_opr, &dot1q, &tag1, &tag2);
- vlib_cli_output (vm, "%=30U%=7d%=5d%=5s%=30U",
- format_vnet_sw_if_index_name, vnm, member->sw_if_index,
- member->sw_if_index,
- member->shg,
- member->flags & L2_FLOOD_MEMBER_BVI ? "*" : "-",
- format_vtr, vtr_opr, dot1q, tag1, tag2);
+ for (bd_index = start; bd_index < end; bd_index++)
+ {
+ bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
+ if (bd_is_valid (bd_config))
+ {
+ if (!printed)
+ {
+ printed = 1;
+ vlib_cli_output (vm,
+ "%=5s %=7s %=10s %=10s %=10s %=10s %=10s %=14s",
+ "ID", "Index", "Learning", "U-Forwrd",
+ "UU-Flood", "Flooding", "ARP-Term",
+ "BVI-Intf");
+ }
+
+ vlib_cli_output (vm,
+ "%=5d %=7d %=10s %=10s %=10s %=10s %=10s %=14U",
+ bd_config->bd_id, bd_index,
+ bd_config->feature_bitmap & L2INPUT_FEAT_LEARN ?
+ "on" : "off",
+ bd_config->feature_bitmap & L2INPUT_FEAT_FWD ? "on"
+ : "off",
+ bd_config->feature_bitmap & L2INPUT_FEAT_UU_FLOOD ?
+ "on" : "off",
+ bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD ?
+ "on" : "off",
+ bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM ?
+ "on" : "off", format_vnet_sw_if_index_name_with_NA,
+ vnm, bd_config->bvi_sw_if_index);
+
+ if (detail || intf)
+ {
+ /* Show all member interfaces */
+
+ l2_flood_member_t *member;
+ u32 header = 0;
+
+ vec_foreach (member, bd_config->members)
+ {
+ u32 vtr_opr, dot1q, tag1, tag2;
+ if (!header)
+ {
+ header = 1;
+ vlib_cli_output (vm, "\n%=30s%=7s%=5s%=5s%=30s",
+ "Interface", "Index", "SHG", "BVI",
+ "VLAN-Tag-Rewrite");
+ }
+ l2vtr_get (vm, vnm, member->sw_if_index, &vtr_opr, &dot1q,
+ &tag1, &tag2);
+ vlib_cli_output (vm, "%=30U%=7d%=5d%=5s%=30U",
+ format_vnet_sw_if_index_name, vnm,
+ member->sw_if_index, member->sw_if_index,
+ member->shg,
+ member->flags & L2_FLOOD_MEMBER_BVI ? "*" :
+ "-", format_vtr, vtr_opr, dot1q, tag1, tag2);
+ }
+ }
+
+ if ((detail || arp) &&
+ (bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM))
+ {
+ u32 ip4_addr;
+ u64 mac_addr;
+ vlib_cli_output (vm,
+ "\n IP4 to MAC table for ARP Termination");
+
+ /* *INDENT-OFF* */
+ hash_foreach (ip4_addr, mac_addr, bd_config->mac_by_ip4,
+ ({
+ vlib_cli_output (vm, "%=20U => %=20U",
+ format_ip4_address, &ip4_addr,
+ format_ethernet_address, &mac_addr);
+ }));
+ /* *INDENT-ON* */
+ }
}
- }
-
- if ((detail || arp) &&
- (bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM)) {
- u32 ip4_addr;
- u64 mac_addr;
- vlib_cli_output (vm, "\n IP4 to MAC table for ARP Termination");
- hash_foreach (ip4_addr, mac_addr, bd_config->mac_by_ip4, ({
- vlib_cli_output (vm, "%=20U => %=20U",
- format_ip4_address, &ip4_addr,
- format_ethernet_address, &mac_addr);
- }));
- }
}
- }
- if (!printed) {
- vlib_cli_output (vm, "no bridge-domains in use");
- }
+ if (!printed)
+ {
+ vlib_cli_output (vm, "no bridge-domains in use");
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (bd_show_cli, static) = {
.path = "show bridge-domain",
.short_help = "show bridge-domain [bridge-domain-id [detail|int|arp]]",
.function = bd_show,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vlib/vlib.h>
#include <vnet/vnet.h>
-typedef struct {
- // hash bd_id -> bd_index
- uword * bd_index_by_bd_id;
+typedef struct
+{
+ /* hash bd_id -> bd_index */
+ uword *bd_index_by_bd_id;
- // Busy bd_index bitmap
- uword * bd_index_bitmap;
+ /* Busy bd_index bitmap */
+ uword *bd_index_bitmap;
- // convenience
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} bd_main_t;
bd_main_t bd_main;
-// Bridge domain member
+/* Bridge domain member */
#define L2_FLOOD_MEMBER_NORMAL 0
#define L2_FLOOD_MEMBER_BVI 1
-typedef struct {
- u32 sw_if_index; // the output L2 interface
- u8 flags; // 0=normal, 1=bvi
- u8 shg; // split horizon group number
- u16 spare;
+typedef struct
+{
+ u32 sw_if_index; /* the output L2 interface */
+ u8 flags; /* 0=normal, 1=bvi */
+ u8 shg; /* split horizon group number */
+ u16 spare;
} l2_flood_member_t;
-// Per-bridge domain configuration
+/* Per-bridge domain configuration */
-typedef struct {
- u32 feature_bitmap;
- // Contains bit enables for flooding, learning, and forwarding.
- // All other feature bits should always be set.
-
- // identity of the bridge-domain's BVI interface
- // set to ~0 if there is no BVI
+typedef struct
+{
+ u32 feature_bitmap;
+ /*
+ * Contains bit enables for flooding, learning, and forwarding.
+ * All other feature bits should always be set.
+ *
+ * identity of the bridge-domain's BVI interface
+ * set to ~0 if there is no BVI
+ */
u32 bvi_sw_if_index;
- // bridge domain id, not to be confused with bd_index
+ /* bridge domain id, not to be confused with bd_index */
u32 bd_id;
- // Vector of members in the replication group
- l2_flood_member_t * members;
+ /* Vector of members in the replication group */
+ l2_flood_member_t *members;
- // hash ip4/ip6 -> mac for arp termination
+ /* hash ip4/ip6 -> mac for arp termination */
uword *mac_by_ip4;
uword *mac_by_ip6;
} l2_bridge_domain_t;
-// Return 1 if bridge domain has been initialized
+/* Return 1 if bridge domain has been initialized */
always_inline u32
-bd_is_valid (l2_bridge_domain_t * bd_config)
+bd_is_valid (l2_bridge_domain_t * bd_config)
{
return (bd_config->feature_bitmap != 0);
}
-// Init bridge domain if not done already
-void
-bd_validate (l2_bridge_domain_t * bd_config);
+/* Init bridge domain if not done already */
+void bd_validate (l2_bridge_domain_t * bd_config);
void
-bd_add_member (l2_bridge_domain_t * bd_config,
- l2_flood_member_t * member);
+bd_add_member (l2_bridge_domain_t * bd_config, l2_flood_member_t * member);
-u32
-bd_remove_member (l2_bridge_domain_t * bd_config,
- u32 sw_if_index);
+u32 bd_remove_member (l2_bridge_domain_t * bd_config, u32 sw_if_index);
#define L2_LEARN (1<<0)
#define L2_UU_FLOOD (1<<3)
#define L2_ARP_TERM (1<<4)
-u32
-bd_set_flags (vlib_main_t * vm,
- u32 bd_index,
- u32 flags,
- u32 enable);
+u32 bd_set_flags (vlib_main_t * vm, u32 bd_index, u32 flags, u32 enable);
/**
* \brief Get or create a bridge domain.
*/
int bd_delete_bd_index (bd_main_t * bdm, u32 bd_id);
-u32 bd_add_del_ip_mac(u32 bd_index,
- u8 *ip_addr,
- u8 *mac_addr,
- u8 is_ip6,
- u8 is_add);
+u32 bd_add_del_ip_mac (u32 bd_index,
+ u8 * ip_addr, u8 * mac_addr, u8 is_ip6, u8 is_add);
#endif
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/l2/l2_bvi.h>
-// Call the L2 nodes that need the ethertype mapping
+/* Call the L2 nodes that need the ethertype mapping */
void
l2bvi_register_input_type (vlib_main_t * vm,
- ethernet_type_t type,
- u32 node_index)
+ ethernet_type_t type, u32 node_index)
{
l2fwd_register_input_type (vm, type, node_index);
l2flood_register_input_type (vm, type, node_index);
}
-
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#define TO_BVI_ERR_BAD_MAC 1
#define TO_BVI_ERR_ETHERTYPE 2
-// Send a packet from L2 processing to L3 via the BVI interface.
-// Set next0 to the proper L3 input node.
-// Return an error if the packet isn't what we expect.
+/**
+ * Send a packet from L2 processing to L3 via the BVI interface.
+ * Set next0 to the proper L3 input node.
+ * Return an error if the packet isn't what we expect.
+ */
-static_always_inline u32
+static_always_inline u32
l2_to_bvi (vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- vlib_buffer_t * b0,
- u32 bvi_sw_if_index,
- next_by_ethertype_t * l3_next,
- u32 * next0)
+ vnet_main_t * vnet_main,
+ vlib_buffer_t * b0,
+ u32 bvi_sw_if_index, next_by_ethertype_t * l3_next, u32 * next0)
{
u8 l2_len;
u16 ethertype;
- u8 * l3h;
- ethernet_header_t * e0;
- vnet_hw_interface_t * hi;
+ u8 *l3h;
+ ethernet_header_t *e0;
+ vnet_hw_interface_t *hi;
e0 = vlib_buffer_get_current (b0);
hi = vnet_get_sup_hw_interface (vnet_main, bvi_sw_if_index);
- // Perform L3 my-mac filter
- if ((!ethernet_address_cast(e0->dst_address)) &&
- (!eth_mac_equal((u8 *)e0, hi->hw_address))) {
+ /* Perform L3 my-mac filter */
+ if ((!ethernet_address_cast (e0->dst_address)) &&
+ (!eth_mac_equal ((u8 *) e0, hi->hw_address)))
+ {
return TO_BVI_ERR_BAD_MAC;
- }
+ }
- // Save L2 header position which may be changed due to packet replication
+ /* Save L2 header position which may be changed due to packet replication */
vnet_buffer (b0)->ethernet.start_of_ethernet_header = b0->current_data;
- // Strip L2 header
- l2_len = vnet_buffer(b0)->l2.l2_len;
+ /* Strip L2 header */
+ l2_len = vnet_buffer (b0)->l2.l2_len;
vlib_buffer_advance (b0, l2_len);
l3h = vlib_buffer_get_current (b0);
- ethertype = clib_net_to_host_u16(*(u16 *)(l3h - 2));
-
- // Set the input interface to be the BVI interface
- vnet_buffer(b0)->sw_if_index[VLIB_RX] = bvi_sw_if_index;
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = ~0;
-
- // Go to appropriate L3 input node
- if (ethertype == ETHERNET_TYPE_IP4) {
- *next0 = l3_next->input_next_ip4;
- } else if (ethertype == ETHERNET_TYPE_IP6) {
- *next0 = l3_next->input_next_ip6;
- } else {
- // uncommon ethertype, check table
- u32 i0;
-
- i0 = sparse_vec_index (l3_next->input_next_by_type, ethertype);
- *next0 = vec_elt (l3_next->input_next_by_type, i0);
-
- if (i0 == SPARSE_VEC_INVALID_INDEX) {
- return TO_BVI_ERR_ETHERTYPE;
- }
- }
-
- // increment BVI RX interface stat
- vlib_increment_combined_counter
- (vnet_main->interface_main.combined_sw_if_counters
- + VNET_INTERFACE_COUNTER_RX,
- vlib_main->cpu_index,
- vnet_buffer(b0)->sw_if_index[VLIB_RX],
- 1,
- vlib_buffer_length_in_chain (vlib_main, b0));
+ ethertype = clib_net_to_host_u16 (*(u16 *) (l3h - 2));
+
+ /* Set the input interface to be the BVI interface */
+ vnet_buffer (b0)->sw_if_index[VLIB_RX] = bvi_sw_if_index;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = ~0;
+
+ /* Go to appropriate L3 input node */
+ if (ethertype == ETHERNET_TYPE_IP4)
+ {
+ *next0 = l3_next->input_next_ip4;
+ }
+ else if (ethertype == ETHERNET_TYPE_IP6)
+ {
+ *next0 = l3_next->input_next_ip6;
+ }
+ else
+ {
+ /* uncommon ethertype, check table */
+ u32 i0;
+
+ i0 = sparse_vec_index (l3_next->input_next_by_type, ethertype);
+ *next0 = vec_elt (l3_next->input_next_by_type, i0);
+
+ if (i0 == SPARSE_VEC_INVALID_INDEX)
+ {
+ return TO_BVI_ERR_ETHERTYPE;
+ }
+ }
+
+ /* increment BVI RX interface stat */
+ vlib_increment_combined_counter
+ (vnet_main->interface_main.combined_sw_if_counters
+ + VNET_INTERFACE_COUNTER_RX,
+ vlib_main->cpu_index,
+ vnet_buffer (b0)->sw_if_index[VLIB_RX],
+ 1, vlib_buffer_length_in_chain (vlib_main, b0));
return TO_BVI_ERR_OK;
}
void
l2bvi_register_input_type (vlib_main_t * vm,
- ethernet_type_t type,
- u32 node_index);
+ ethernet_type_t type, u32 node_index);
#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/l2/l2_classify.h>
#include <vnet/api_errno.h>
-typedef struct {
- /* per-pkt trace data */
+typedef struct
+{
+ /* per-pkt trace data */
u32 sw_if_index;
u32 next_index;
u32 table_index;
u32 session_offset;
} l2_classify_trace_t;
-typedef struct {
- vnet_classify_main_t * vcm;
- l2_classify_main_t * l2cm;
+typedef struct
+{
+ vnet_classify_main_t *vcm;
+ l2_classify_main_t *l2cm;
} l2_classify_runtime_t;
/* packet trace format function */
-static u8 * format_l2_classify_trace (u8 * s, va_list * args)
+static u8 *
+format_l2_classify_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2_classify_trace_t * t = va_arg (*args, l2_classify_trace_t *);
-
+ l2_classify_trace_t *t = va_arg (*args, l2_classify_trace_t *);
+
s = format (s, "l2-classify: sw_if_index %d, table %d, offset %x, next %d",
- t->sw_if_index, t->table_index, t->session_offset, t->next_index);
+ t->sw_if_index, t->table_index, t->session_offset,
+ t->next_index);
return s;
}
_(CHAIN_HIT, "Classify hits after chain walk") \
_(DROP, "L2 Classify Drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2_CLASSIFY_ERROR_##sym,
foreach_l2_classify_error
#undef _
- L2_CLASSIFY_N_ERROR,
+ L2_CLASSIFY_N_ERROR,
} l2_classify_error_t;
-static char * l2_classify_error_strings[] = {
+static char *l2_classify_error_strings[] = {
#define _(sym,string) string,
foreach_l2_classify_error
#undef _
static uword
l2_classify_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2_classify_next_t next_index;
- l2_classify_main_t * cm = &l2_classify_main;
- vnet_classify_main_t * vcm = cm->vnet_classify_main;
- l2_classify_runtime_t * rt = (l2_classify_runtime_t *)node->runtime_data;
+ l2_classify_main_t *cm = &l2_classify_main;
+ vnet_classify_main_t *vcm = cm->vnet_classify_main;
+ l2_classify_runtime_t *rt = (l2_classify_runtime_t *) node->runtime_data;
u32 feature_bitmap;
u32 hits = 0;
u32 misses = 0;
u32 chain_hits = 0;
f64 now;
-
- now = vlib_time_now(vm);
+
+ now = vlib_time_now (vm);
n_left_from = frame->n_vectors;
from = vlib_frame_vector_args (frame);
while (n_left_from > 2)
{
- vlib_buffer_t * b0, * b1;
+ vlib_buffer_t *b0, *b1;
u32 bi0, bi1;
- ethernet_header_t * h0, * h1;
+ ethernet_header_t *h0, *h1;
u32 sw_if_index0, sw_if_index1;
u16 type0, type1;
int type_index0, type_index1;
- vnet_classify_table_t * t0, * t1;
+ vnet_classify_table_t *t0, *t1;
u32 table_index0, table_index1;
u64 hash0, hash1;
/* prefetch next iteration */
- {
- vlib_buffer_t * p1, * p2;
-
- p1 = vlib_get_buffer (vm, from[1]);
- p2 = vlib_get_buffer (vm, from[2]);
-
- vlib_prefetch_buffer_header (p1, STORE);
- CLIB_PREFETCH (p1->data, CLIB_CACHE_LINE_BYTES, STORE);
- vlib_prefetch_buffer_header (p2, STORE);
- CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
- }
-
+ {
+ vlib_buffer_t *p1, *p2;
+
+ p1 = vlib_get_buffer (vm, from[1]);
+ p2 = vlib_get_buffer (vm, from[2]);
+
+ vlib_prefetch_buffer_header (p1, STORE);
+ CLIB_PREFETCH (p1->data, CLIB_CACHE_LINE_BYTES, STORE);
+ vlib_prefetch_buffer_header (p2, STORE);
+ CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
+ }
+
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
h0 = vlib_buffer_get_current (b0);
bi1 = from[1];
b1 = vlib_get_buffer (vm, bi1);
h1 = vlib_buffer_get_current (b1);
-
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- vnet_buffer(b0)->l2_classify.table_index = ~0;
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
- vnet_buffer(b1)->l2_classify.table_index = ~0;
-
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ vnet_buffer (b0)->l2_classify.table_index = ~0;
+
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+ vnet_buffer (b1)->l2_classify.table_index = ~0;
+
/* Select classifier table based on ethertype */
type0 = clib_net_to_host_u16 (h0->type);
type1 = clib_net_to_host_u16 (h1->type);
- type_index0 = (type0 == ETHERNET_TYPE_IP4)
- ? L2_CLASSIFY_TABLE_IP4 : L2_CLASSIFY_TABLE_OTHER;
- type_index0 = (type0 == ETHERNET_TYPE_IP6)
- ? L2_CLASSIFY_TABLE_IP6 : type_index0;
-
- type_index1 = (type1 == ETHERNET_TYPE_IP4)
- ? L2_CLASSIFY_TABLE_IP4 : L2_CLASSIFY_TABLE_OTHER;
- type_index1 = (type1 == ETHERNET_TYPE_IP6)
- ? L2_CLASSIFY_TABLE_IP6 : type_index1;
-
- vnet_buffer(b0)->l2_classify.table_index =
- table_index0 =
- rt->l2cm->classify_table_index_by_sw_if_index
- [type_index0][sw_if_index0];
-
+ type_index0 = (type0 == ETHERNET_TYPE_IP4)
+ ? L2_CLASSIFY_TABLE_IP4 : L2_CLASSIFY_TABLE_OTHER;
+ type_index0 = (type0 == ETHERNET_TYPE_IP6)
+ ? L2_CLASSIFY_TABLE_IP6 : type_index0;
+
+ type_index1 = (type1 == ETHERNET_TYPE_IP4)
+ ? L2_CLASSIFY_TABLE_IP4 : L2_CLASSIFY_TABLE_OTHER;
+ type_index1 = (type1 == ETHERNET_TYPE_IP6)
+ ? L2_CLASSIFY_TABLE_IP6 : type_index1;
+
+ vnet_buffer (b0)->l2_classify.table_index =
+ table_index0 =
+ rt->l2cm->classify_table_index_by_sw_if_index
+ [type_index0][sw_if_index0];
+
if (table_index0 != ~0)
- {
- t0 = pool_elt_at_index (vcm->tables, table_index0);
-
- vnet_buffer(b0)->l2_classify.hash = hash0 =
- vnet_classify_hash_packet (t0, (u8 *) h0);
- vnet_classify_prefetch_bucket (t0, hash0);
- }
-
- vnet_buffer(b1)->l2_classify.table_index =
- table_index1 =
- rt->l2cm->classify_table_index_by_sw_if_index
- [type_index1][sw_if_index1];
-
+ {
+ t0 = pool_elt_at_index (vcm->tables, table_index0);
+
+ vnet_buffer (b0)->l2_classify.hash = hash0 =
+ vnet_classify_hash_packet (t0, (u8 *) h0);
+ vnet_classify_prefetch_bucket (t0, hash0);
+ }
+
+ vnet_buffer (b1)->l2_classify.table_index =
+ table_index1 =
+ rt->l2cm->classify_table_index_by_sw_if_index
+ [type_index1][sw_if_index1];
+
if (table_index1 != ~0)
- {
- t1 = pool_elt_at_index (vcm->tables, table_index1);
-
- vnet_buffer(b1)->l2_classify.hash = hash1 =
- vnet_classify_hash_packet (t1, (u8 *) h1);
- vnet_classify_prefetch_bucket (t1, hash1);
- }
+ {
+ t1 = pool_elt_at_index (vcm->tables, table_index1);
+
+ vnet_buffer (b1)->l2_classify.hash = hash1 =
+ vnet_classify_hash_packet (t1, (u8 *) h1);
+ vnet_classify_prefetch_bucket (t1, hash1);
+ }
from += 2;
n_left_from -= 2;
while (n_left_from > 0)
{
- vlib_buffer_t * b0;
+ vlib_buffer_t *b0;
u32 bi0;
- ethernet_header_t * h0;
+ ethernet_header_t *h0;
u32 sw_if_index0;
u16 type0;
u32 type_index0;
- vnet_classify_table_t * t0;
+ vnet_classify_table_t *t0;
u32 table_index0;
u64 hash0;
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
h0 = vlib_buffer_get_current (b0);
-
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- vnet_buffer(b0)->l2_classify.table_index = ~0;
-
+
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ vnet_buffer (b0)->l2_classify.table_index = ~0;
+
/* Select classifier table based on ethertype */
type0 = clib_net_to_host_u16 (h0->type);
-
- type_index0 = (type0 == ETHERNET_TYPE_IP4)
- ? L2_CLASSIFY_TABLE_IP4 : L2_CLASSIFY_TABLE_OTHER;
- type_index0 = (type0 == ETHERNET_TYPE_IP6)
- ? L2_CLASSIFY_TABLE_IP6 : type_index0;
-
- vnet_buffer(b0)->l2_classify.table_index =
- table_index0 = rt->l2cm->classify_table_index_by_sw_if_index
- [type_index0][sw_if_index0];
-
+
+ type_index0 = (type0 == ETHERNET_TYPE_IP4)
+ ? L2_CLASSIFY_TABLE_IP4 : L2_CLASSIFY_TABLE_OTHER;
+ type_index0 = (type0 == ETHERNET_TYPE_IP6)
+ ? L2_CLASSIFY_TABLE_IP6 : type_index0;
+
+ vnet_buffer (b0)->l2_classify.table_index =
+ table_index0 = rt->l2cm->classify_table_index_by_sw_if_index
+ [type_index0][sw_if_index0];
+
if (table_index0 != ~0)
- {
- t0 = pool_elt_at_index (vcm->tables, table_index0);
-
- vnet_buffer(b0)->l2_classify.hash = hash0 =
- vnet_classify_hash_packet (t0, (u8 *) h0);
- vnet_classify_prefetch_bucket (t0, hash0);
- }
+ {
+ t0 = pool_elt_at_index (vcm->tables, table_index0);
+
+ vnet_buffer (b0)->l2_classify.hash = hash0 =
+ vnet_classify_hash_packet (t0, (u8 *) h0);
+ vnet_classify_prefetch_bucket (t0, hash0);
+ }
from++;
n_left_from--;
}
-
+
next_index = node->cached_next_index;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
{
u32 n_left_to_next;
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
/* Not enough load/store slots to dual loop... */
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0 = L2_CLASSIFY_NEXT_ETHERNET_INPUT;
- ethernet_header_t * h0;
- u32 table_index0;
- u64 hash0;
- vnet_classify_table_t * t0;
- vnet_classify_entry_t * e0;
-
- if (PREDICT_TRUE (n_left_from > 2))
- {
- vlib_buffer_t * p2 = vlib_get_buffer(vm, from[2]);
- u64 phash2;
- u32 table_index2;
- vnet_classify_table_t * tp2;
-
- /*
- * Prefetch table entry two ahead. Buffer / data
- * were prefetched above...
- */
- table_index2 = vnet_buffer(p2)->l2_classify.table_index;
-
- if (PREDICT_TRUE (table_index2 != ~0))
- {
- tp2 = pool_elt_at_index (vcm->tables, table_index2);
- phash2 = vnet_buffer(p2)->l2_classify.hash;
- vnet_classify_prefetch_entry (tp2, phash2);
- }
- }
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0 = L2_CLASSIFY_NEXT_ETHERNET_INPUT;
+ ethernet_header_t *h0;
+ u32 table_index0;
+ u64 hash0;
+ vnet_classify_table_t *t0;
+ vnet_classify_entry_t *e0;
+
+ if (PREDICT_TRUE (n_left_from > 2))
+ {
+ vlib_buffer_t *p2 = vlib_get_buffer (vm, from[2]);
+ u64 phash2;
+ u32 table_index2;
+ vnet_classify_table_t *tp2;
+
+ /*
+ * Prefetch table entry two ahead. Buffer / data
+ * were prefetched above...
+ */
+ table_index2 = vnet_buffer (p2)->l2_classify.table_index;
+
+ if (PREDICT_TRUE (table_index2 != ~0))
+ {
+ tp2 = pool_elt_at_index (vcm->tables, table_index2);
+ phash2 = vnet_buffer (p2)->l2_classify.hash;
+ vnet_classify_prefetch_entry (tp2, phash2);
+ }
+ }
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- h0 = vlib_buffer_get_current(b0);
- table_index0 = vnet_buffer(b0)->l2_classify.table_index;
- e0 = 0;
- vnet_buffer(b0)->l2_classify.opaque_index = ~0;
-
- if (PREDICT_TRUE(table_index0 != ~0))
- {
- hash0 = vnet_buffer(b0)->l2_classify.hash;
- t0 = pool_elt_at_index (vcm->tables, table_index0);
-
- e0 = vnet_classify_find_entry (t0, (u8 *) h0,
- hash0, now);
- if (e0)
- {
- vnet_buffer(b0)->l2_classify.opaque_index
- = e0->opaque_index;
- vlib_buffer_advance (b0, e0->advance);
- next0 = (e0->next_index < L2_CLASSIFY_N_NEXT)?
- e0->next_index:next0;
- hits++;
- }
- else
- {
- while (1)
- {
- if (t0->next_table_index != ~0)
- t0 = pool_elt_at_index (vcm->tables,
- t0->next_table_index);
- else
- {
- next0 = (t0->miss_next_index < L2_CLASSIFY_N_NEXT)?
- t0->miss_next_index:next0;
- misses++;
- break;
- }
-
- hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
- e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
- if (e0)
- {
- vnet_buffer(b0)->l2_classify.opaque_index
- = e0->opaque_index;
- vlib_buffer_advance (b0, e0->advance);
- next0 = (e0->next_index < L2_CLASSIFY_N_NEXT)?
- e0->next_index:next0;
- hits++;
- chain_hits++;
- break;
- }
- }
- }
- }
-
- if (PREDICT_FALSE(next0 == 0))
- b0->error = node->errors[L2_CLASSIFY_ERROR_DROP];
-
- if (PREDICT_FALSE (next0 == ~0))
- {
-
- // Remove ourself from the feature bitmap
- feature_bitmap = vnet_buffer(b0)->l2.feature_bitmap
- & ~L2INPUT_FEAT_CLASSIFY;
-
- // save for next feature graph nodes
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap;
-
- // Determine the next node
- next0 = feat_bitmap_get_next_node_index(cm->feat_next_node_index,
- feature_bitmap);
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- l2_classify_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- t->table_index = table_index0;
- t->next_index = next0;
- t->session_offset = e0 ? vnet_classify_get_offset (t0, e0) : 0;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
+ h0 = vlib_buffer_get_current (b0);
+ table_index0 = vnet_buffer (b0)->l2_classify.table_index;
+ e0 = 0;
+ vnet_buffer (b0)->l2_classify.opaque_index = ~0;
+
+ if (PREDICT_TRUE (table_index0 != ~0))
+ {
+ hash0 = vnet_buffer (b0)->l2_classify.hash;
+ t0 = pool_elt_at_index (vcm->tables, table_index0);
+
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ if (e0)
+ {
+ vnet_buffer (b0)->l2_classify.opaque_index
+ = e0->opaque_index;
+ vlib_buffer_advance (b0, e0->advance);
+ next0 = (e0->next_index < L2_CLASSIFY_N_NEXT) ?
+ e0->next_index : next0;
+ hits++;
+ }
+ else
+ {
+ while (1)
+ {
+ if (t0->next_table_index != ~0)
+ t0 = pool_elt_at_index (vcm->tables,
+ t0->next_table_index);
+ else
+ {
+ next0 = (t0->miss_next_index < L2_CLASSIFY_N_NEXT) ?
+ t0->miss_next_index : next0;
+ misses++;
+ break;
+ }
+
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 =
+ vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ if (e0)
+ {
+ vnet_buffer (b0)->l2_classify.opaque_index
+ = e0->opaque_index;
+ vlib_buffer_advance (b0, e0->advance);
+ next0 = (e0->next_index < L2_CLASSIFY_N_NEXT) ?
+ e0->next_index : next0;
+ hits++;
+ chain_hits++;
+ break;
+ }
+ }
+ }
+ }
+
+ if (PREDICT_FALSE (next0 == 0))
+ b0->error = node->errors[L2_CLASSIFY_ERROR_DROP];
+
+ if (PREDICT_FALSE (next0 == ~0))
+ {
+
+ // Remove ourself from the feature bitmap
+ feature_bitmap = vnet_buffer (b0)->l2.feature_bitmap
+ & ~L2INPUT_FEAT_CLASSIFY;
+
+ // save for next feature graph nodes
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap;
+
+ // Determine the next node
+ next0 =
+ feat_bitmap_get_next_node_index (cm->feat_next_node_index,
+ feature_bitmap);
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_classify_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ t->table_index = table_index0;
+ t->next_index = next0;
+ t->session_offset = e0 ? vnet_classify_get_offset (t0, e0) : 0;
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, node->node_index,
- L2_CLASSIFY_ERROR_MISS,
- misses);
- vlib_node_increment_counter (vm, node->node_index,
- L2_CLASSIFY_ERROR_HIT,
- hits);
- vlib_node_increment_counter (vm, node->node_index,
- L2_CLASSIFY_ERROR_CHAIN_HIT,
- chain_hits);
+ vlib_node_increment_counter (vm, node->node_index,
+ L2_CLASSIFY_ERROR_MISS, misses);
+ vlib_node_increment_counter (vm, node->node_index,
+ L2_CLASSIFY_ERROR_HIT, hits);
+ vlib_node_increment_counter (vm, node->node_index,
+ L2_CLASSIFY_ERROR_CHAIN_HIT, chain_hits);
return frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_classify_node) = {
.function = l2_classify_node_fn,
.name = "l2-classify",
.vector_size = sizeof (u32),
.format_trace = format_l2_classify_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2_classify_error_strings),
.error_strings = l2_classify_error_strings,
[L2_CLASSIFY_NEXT_LI] = "li-hit",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2_classify_node, l2_classify_node_fn)
-
-clib_error_t *l2_classify_init (vlib_main_t *vm)
+ clib_error_t *l2_classify_init (vlib_main_t * vm)
{
- l2_classify_main_t * cm = &l2_classify_main;
- l2_classify_runtime_t * rt;
+ l2_classify_main_t *cm = &l2_classify_main;
+ l2_classify_runtime_t *rt;
rt = vlib_node_get_runtime_data (vm, l2_classify_node.index);
-
+
cm->vlib_main = vm;
- cm->vnet_main = vnet_get_main();
+ cm->vnet_main = vnet_get_main ();
cm->vnet_classify_main = &vnet_classify_main;
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2_classify_node.index,
- L2INPUT_N_FEAT,
- l2input_get_feat_names(),
- cm->feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2_classify_node.index,
+ L2INPUT_N_FEAT,
+ l2input_get_feat_names (),
+ cm->feat_next_node_index);
rt->l2cm = cm;
rt->vcm = cm->vnet_classify_main;
VLIB_INIT_FUNCTION (l2_classify_init);
-void vnet_l2_classify_enable_disable (u32 sw_if_index,
- int enable_disable)
+void
+vnet_l2_classify_enable_disable (u32 sw_if_index, int enable_disable)
{
- vlib_main_t * vm = vlib_get_main();
- vnet_main_t * vnm = vnet_get_main();
-
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_main_t *vnm = vnet_get_main ();
+
if (enable_disable)
- set_int_l2_mode (vm, vnm, MODE_L2_CLASSIFY, sw_if_index,
- 0, 0, 0, 0);
+ set_int_l2_mode (vm, vnm, MODE_L2_CLASSIFY, sw_if_index, 0, 0, 0, 0);
else
- set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index,
- 0, 0, 0, 0);
+ set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0);
}
-int vnet_l2_classify_set_tables (u32 sw_if_index,
- u32 ip4_table_index,
- u32 ip6_table_index,
- u32 other_table_index)
+int
+vnet_l2_classify_set_tables (u32 sw_if_index,
+ u32 ip4_table_index,
+ u32 ip6_table_index, u32 other_table_index)
{
- l2_classify_main_t * cm = &l2_classify_main;
- vnet_classify_main_t * vcm = cm->vnet_classify_main;
+ l2_classify_main_t *cm = &l2_classify_main;
+ vnet_classify_main_t *vcm = cm->vnet_classify_main;
/* Assume that we've validated sw_if_index in the API layer */
if (ip6_table_index != ~0 &&
pool_is_free_index (vcm->tables, ip6_table_index))
return VNET_API_ERROR_NO_SUCH_TABLE2;
-
+
if (other_table_index != ~0 &&
pool_is_free_index (vcm->tables, other_table_index))
return VNET_API_ERROR_NO_SUCH_TABLE3;
-
- vec_validate
- (cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_IP4],
+
+ vec_validate
+ (cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_IP4],
sw_if_index);
-
- vec_validate
- (cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_IP6],
+
+ vec_validate
+ (cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_IP6],
sw_if_index);
-
- vec_validate
- (cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_OTHER],
+
+ vec_validate
+ (cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_OTHER],
sw_if_index);
cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_IP4]
[sw_if_index] = ip4_table_index;
-
+
cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_IP6]
[sw_if_index] = ip6_table_index;
-
+
cm->classify_table_index_by_sw_if_index[L2_CLASSIFY_TABLE_OTHER]
[sw_if_index] = other_table_index;
static clib_error_t *
int_l2_classify_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
+ vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ~0;
u32 ip4_table_index = ~0;
u32 ip6_table_index = ~0;
u32 other_table_index = ~0;
int rv;
- while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "intfc %U", unformat_vnet_sw_interface,
- vnm, &sw_if_index))
- ;
+ if (unformat (input, "intfc %U", unformat_vnet_sw_interface,
+ vnm, &sw_if_index))
+ ;
else if (unformat (input, "ip4-table %d", &ip4_table_index))
- ;
+ ;
else if (unformat (input, "ip6-table %d", &ip6_table_index))
- ;
+ ;
else if (unformat (input, "other-table %d", &other_table_index))
- ;
+ ;
else
- break;
+ break;
}
if (sw_if_index == ~0)
return clib_error_return (0, "interface must be specified");
-
- if (ip4_table_index == ~0 && ip6_table_index == ~0
+
+ if (ip4_table_index == ~0 && ip6_table_index == ~0
&& other_table_index == ~0)
{
vlib_cli_output (vm, "L2 classification disabled");
- vnet_l2_classify_enable_disable (sw_if_index, 0 /* enable */);
+ vnet_l2_classify_enable_disable (sw_if_index, 0 /* enable */ );
return 0;
}
- rv = vnet_l2_classify_set_tables (sw_if_index, ip4_table_index,
- ip6_table_index, other_table_index);
- switch(rv)
+ rv = vnet_l2_classify_set_tables (sw_if_index, ip4_table_index,
+ ip6_table_index, other_table_index);
+ switch (rv)
{
case 0:
- vnet_l2_classify_enable_disable (sw_if_index, 1 /* enable */);
+ vnet_l2_classify_enable_disable (sw_if_index, 1 /* enable */ );
break;
default:
- return clib_error_return (0, "vnet_l2_classify_set_tables: %d",
- rv);
+ return clib_error_return (0, "vnet_l2_classify_set_tables: %d", rv);
break;
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_l2_classify_cli, static) = {
.path = "set interface l2 classify",
- .short_help =
+ .short_help =
"set interface l2 classify intfc <int> [ip4-table <n>]\n"
" [ip6-table <n>] [other-table <n>]",
.function = int_l2_classify_command_fn,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/classify/vnet_classify.h>
-typedef enum {
+typedef enum
+{
L2_CLASSIFY_NEXT_DROP,
L2_CLASSIFY_NEXT_ETHERNET_INPUT,
L2_CLASSIFY_NEXT_IP4_INPUT,
L2_CLASSIFY_N_NEXT,
} l2_classify_next_t;
-typedef enum {
+typedef enum
+{
L2_CLASSIFY_TABLE_IP4,
L2_CLASSIFY_TABLE_IP6,
L2_CLASSIFY_TABLE_OTHER,
L2_CLASSIFY_N_TABLES,
} l2_classify_table_id_t;
-typedef struct {
+typedef struct
+{
- // Next nodes for each feature
+ /* Next nodes for each feature */
u32 feat_next_node_index[32];
/* Per-address-family classifier table vectors */
- u32 * classify_table_index_by_sw_if_index [L2_CLASSIFY_N_TABLES];
+ u32 *classify_table_index_by_sw_if_index[L2_CLASSIFY_N_TABLES];
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
- vnet_classify_main_t * vnet_classify_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+ vnet_classify_main_t *vnet_classify_main;
} l2_classify_main_t;
l2_classify_main_t l2_classify_main;
extern vlib_node_registration_t l2_classify_node;
-void vnet_l2_classify_enable_disable (u32 sw_if_index,
- int enable_disable);
+void vnet_l2_classify_enable_disable (u32 sw_if_index, int enable_disable);
-int vnet_l2_classify_set_tables (u32 sw_if_index, u32 ip4_table_index,
- u32 ip6_table_index, u32 other_table_index);
+int vnet_l2_classify_set_tables (u32 sw_if_index, u32 ip4_table_index,
+ u32 ip6_table_index, u32 other_table_index);
#endif /* __included_vnet_l2_classify_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vppinfra/error.h>
#include <vppinfra/cache.h>
-typedef struct {
+typedef struct
+{
- // Next nodes for features and output interfaces
+ /* Next nodes for features and output interfaces */
l2_output_next_nodes_st next_nodes;
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2_efp_filter_main_t;
-typedef struct {
- /* per-pkt trace data */
+typedef struct
+{
+ /* per-pkt trace data */
u8 src[6];
u8 dst[6];
- u8 raw[12]; // raw data (vlans)
+ u8 raw[12]; /* raw data (vlans) */
u32 sw_if_index;
} l2_efp_filter_trace_t;
/* packet trace format function */
-static u8 * format_l2_efp_filter_trace (u8 * s, va_list * args)
+static u8 *
+format_l2_efp_filter_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2_efp_filter_trace_t * t = va_arg (*args, l2_efp_filter_trace_t *);
-
+ l2_efp_filter_trace_t *t = va_arg (*args, l2_efp_filter_trace_t *);
+
s = format (s, "l2-output-vtr: sw_if_index %d dst %U src %U data "
- "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
+ "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
t->sw_if_index,
- format_ethernet_address, t->dst,
- format_ethernet_address, t->src,
- t->raw[0], t->raw[1], t->raw[2], t->raw[3], t->raw[4], t->raw[5],
- t->raw[6], t->raw[7], t->raw[8], t->raw[9], t->raw[10], t->raw[11]);
+ format_ethernet_address, t->dst,
+ format_ethernet_address, t->src,
+ t->raw[0], t->raw[1], t->raw[2], t->raw[3], t->raw[4],
+ t->raw[5], t->raw[6], t->raw[7], t->raw[8], t->raw[9],
+ t->raw[10], t->raw[11]);
return s;
}
_(L2_EFP_FILTER, "L2 EFP filter packets") \
_(DROP, "L2 EFP filter post-rewrite drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2_EFP_FILTER_ERROR_##sym,
foreach_l2_efp_filter_error
#undef _
- L2_EFP_FILTER_N_ERROR,
+ L2_EFP_FILTER_N_ERROR,
} l2_efp_filter_error_t;
-static char * l2_efp_filter_error_strings[] = {
+static char *l2_efp_filter_error_strings[] = {
#define _(sym,string) string,
foreach_l2_efp_filter_error
#undef _
};
-typedef enum {
+typedef enum
+{
L2_EFP_FILTER_NEXT_DROP,
L2_EFP_FILTER_N_NEXT,
} l2_efp_filter_next_t;
-// Extract fields from the packet that will be used in interface classification
+/**
+ * Extract fields from the packet that will be used in interface
+ * classification
+ */
static_always_inline void
extract_keys (vnet_main_t * vnet_main,
- u32 sw_if_index0,
- vlib_buffer_t * b0,
- u32 * port_sw_if_index0,
- u16 * first_ethertype0,
- u16 * outer_id0,
- u16 * inner_id0,
- u32 * match_flags0)
+ u32 sw_if_index0,
+ vlib_buffer_t * b0,
+ u32 * port_sw_if_index0,
+ u16 * first_ethertype0,
+ u16 * outer_id0, u16 * inner_id0, u32 * match_flags0)
{
- ethernet_header_t * e0;
- ethernet_vlan_header_t * h0;
+ ethernet_header_t *e0;
+ ethernet_vlan_header_t *h0;
u32 tag_len;
u32 tag_num;
- *port_sw_if_index0 = vnet_get_sup_sw_interface (vnet_main, sw_if_index0)->sw_if_index;
+ *port_sw_if_index0 =
+ vnet_get_sup_sw_interface (vnet_main, sw_if_index0)->sw_if_index;
e0 = vlib_buffer_get_current (b0);
- h0 = (ethernet_vlan_header_t *)(e0+1);
+ h0 = (ethernet_vlan_header_t *) (e0 + 1);
- *first_ethertype0 = clib_net_to_host_u16(e0->type);
+ *first_ethertype0 = clib_net_to_host_u16 (e0->type);
*outer_id0 = clib_net_to_host_u16 (h0[0].priority_cfi_and_id);
*inner_id0 = clib_net_to_host_u16 (h0[1].priority_cfi_and_id);
- tag_len = vnet_buffer(b0)->l2.l2_len - sizeof(ethernet_header_t);
- tag_num = tag_len / sizeof(ethernet_vlan_header_t);
+ tag_len = vnet_buffer (b0)->l2.l2_len - sizeof (ethernet_header_t);
+ tag_num = tag_len / sizeof (ethernet_vlan_header_t);
*match_flags0 = eth_create_valid_subint_match_flags (tag_num);
}
-/*
- * EFP filtering is a basic switch feature which prevents an interface from
- * transmitting a packet that doesn't match the interface's ingress match
- * criteria. The check has two parts, one performed before egress vlan tag
+/*
+ * EFP filtering is a basic switch feature which prevents an interface from
+ * transmitting a packet that doesn't match the interface's ingress match
+ * criteria. The check has two parts, one performed before egress vlan tag
* rewrite and one after.
*
- * The pre-rewrite check insures the packet matches what an ingress packet looks
- * like after going through the interface's ingress tag rewrite operation. Only
+ * The pre-rewrite check insures the packet matches what an ingress packet looks
+ * like after going through the interface's ingress tag rewrite operation. Only
* pushed tags are compared. So:
* - if the ingress vlan tag rewrite pushes no tags (or is not enabled),
* any packet passes the filter
*
* The pre-rewrite check is performed in the l2-output node.
*
- * The post-rewrite check insures the packet matches what an ingress packet looks
- * like before going through the interface's ingress tag rewrite operation. It verifies
+ * The post-rewrite check insures the packet matches what an ingress packet looks
+ * like before going through the interface's ingress tag rewrite operation. It verifies
* that such a packet arriving on the wire at this port would be classified as arriving
* an input interface equal to the packet's output interface. This can be done by running
* the output packet's vlan tags and output port through the interface classification,
static uword
l2_efp_filter_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2_efp_filter_next_t next_index;
- l2_efp_filter_main_t * msm = &l2_efp_filter_main;
+ l2_efp_filter_main_t *msm = &l2_efp_filter_main;
vlib_node_t *n = vlib_get_node (vm, l2_efp_filter_node.index);
u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
+ vlib_error_main_t *em = &vm->error_main;
u32 cached_sw_if_index = ~0;
u32 cached_next_index = ~0;
cached_sw_if_index = ~0;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 6 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
- u32 feature_bitmap0, feature_bitmap1;
- u16 first_ethertype0, first_ethertype1;
- u16 outer_id0, inner_id0, outer_id1, inner_id1;
- u32 match_flags0, match_flags1;
- u32 port_sw_if_index0, subint_sw_if_index0, port_sw_if_index1, subint_sw_if_index1;
- vnet_hw_interface_t * hi0, * hi1;
- main_intf_t * main_intf0, * main_intf1;
- vlan_intf_t * vlan_intf0, * vlan_intf1;
- qinq_intf_t * qinq_intf0, * qinq_intf1;
- u32 is_l20, is_l21;
- __attribute__((unused)) u32 matched0, matched1;
- u8 error0, error1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+ u32 feature_bitmap0, feature_bitmap1;
+ u16 first_ethertype0, first_ethertype1;
+ u16 outer_id0, inner_id0, outer_id1, inner_id1;
+ u32 match_flags0, match_flags1;
+ u32 port_sw_if_index0, subint_sw_if_index0, port_sw_if_index1,
+ subint_sw_if_index1;
+ vnet_hw_interface_t *hi0, *hi1;
+ main_intf_t *main_intf0, *main_intf1;
+ vlan_intf_t *vlan_intf0, *vlan_intf1;
+ qinq_intf_t *qinq_intf0, *qinq_intf1;
+ u32 is_l20, is_l21;
+ __attribute__ ((unused)) u32 matched0, matched1;
+ u8 error0, error1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3, * p4, * p5;
- __attribute__((unused)) u32 sw_if_index2, sw_if_index3;
-
+ vlib_buffer_t *p2, *p3, *p4, *p5;
+ __attribute__ ((unused)) u32 sw_if_index2, sw_if_index3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
p4 = vlib_get_buffer (vm, from[4]);
p5 = vlib_get_buffer (vm, from[5]);
-
- // Prefetch the buffer header and packet for the N+2 loop iteration
+
+ /* Prefetch the buffer header and packet for the N+2 loop iteration */
vlib_prefetch_buffer_header (p4, LOAD);
vlib_prefetch_buffer_header (p5, LOAD);
CLIB_PREFETCH (p4->data, CLIB_CACHE_LINE_BYTES, STORE);
CLIB_PREFETCH (p5->data, CLIB_CACHE_LINE_BYTES, STORE);
- // Prefetch the input config for the N+1 loop iteration
- // This depends on the buffer header above
- sw_if_index2 = vnet_buffer(p2)->sw_if_index[VLIB_TX];
- sw_if_index3 = vnet_buffer(p3)->sw_if_index[VLIB_TX];
- //TODO CLIB_PREFETCH (vec_elt_at_index(l2output_main.configs, sw_if_index2), CLIB_CACHE_LINE_BYTES, LOAD);
- //TODO CLIB_PREFETCH (vec_elt_at_index(l2output_main.configs, sw_if_index3), CLIB_CACHE_LINE_BYTES, LOAD);
+ /*
+ * Prefetch the input config for the N+1 loop iteration
+ * This depends on the buffer header above
+ */
+ sw_if_index2 = vnet_buffer (p2)->sw_if_index[VLIB_TX];
+ sw_if_index3 = vnet_buffer (p3)->sw_if_index[VLIB_TX];
+ /*
+ * $$$ TODO
+ * CLIB_PREFETCH (vec_elt_at_index(l2output_main.configs, sw_if_index2), CLIB_CACHE_LINE_BYTES, LOAD);
+ * CLIB_PREFETCH (vec_elt_at_index(l2output_main.configs, sw_if_index3), CLIB_CACHE_LINE_BYTES, LOAD);
+ */
}
- /* speculatively enqueue b0 and b1 to the current next frame */
- /* bi is "buffer index", b is pointer to the buffer */
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
-
- /* TX interface handles */
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_TX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_TX];
-
- // process 2 packets
- em->counters[node_counter_base_index + L2_EFP_FILTER_ERROR_L2_EFP_FILTER] += 2;
-
- // Remove ourself from the feature bitmap
- feature_bitmap0 = vnet_buffer(b0)->l2.feature_bitmap & ~L2OUTPUT_FEAT_EFP_FILTER;
- feature_bitmap1 = vnet_buffer(b1)->l2.feature_bitmap & ~L2OUTPUT_FEAT_EFP_FILTER;
-
- // Determine next node
- l2_output_dispatch (msm->vlib_main,
- msm->vnet_main,
- node,
- l2_efp_filter_node.index,
- &cached_sw_if_index,
- &cached_next_index,
- &msm->next_nodes,
- b0,
- sw_if_index0,
- feature_bitmap0,
- &next0);
- l2_output_dispatch (msm->vlib_main,
- msm->vnet_main,
- node,
- l2_efp_filter_node.index,
- &cached_sw_if_index,
- &cached_next_index,
- &msm->next_nodes,
- b1,
- sw_if_index1,
- feature_bitmap1,
- &next1);
-
- // perform the efp filter check on two packets
-
- extract_keys (msm->vnet_main,
- sw_if_index0,
- b0,
- &port_sw_if_index0,
- &first_ethertype0,
- &outer_id0,
- &inner_id0,
- &match_flags0);
-
- extract_keys (msm->vnet_main,
- sw_if_index1,
- b1,
- &port_sw_if_index1,
- &first_ethertype1,
- &outer_id1,
- &inner_id1,
- &match_flags1);
-
- eth_vlan_table_lookups (ðernet_main,
- msm->vnet_main,
- port_sw_if_index0,
- first_ethertype0,
- outer_id0,
- inner_id0,
- &hi0,
- &main_intf0,
- &vlan_intf0,
- &qinq_intf0);
-
- eth_vlan_table_lookups (ðernet_main,
- msm->vnet_main,
- port_sw_if_index1,
- first_ethertype1,
- outer_id1,
- inner_id1,
- &hi1,
- &main_intf1,
- &vlan_intf1,
- &qinq_intf1);
-
- matched0 = eth_identify_subint (hi0,
- b0,
- match_flags0,
- main_intf0,
- vlan_intf0,
- qinq_intf0,
- &subint_sw_if_index0,
- &error0,
- &is_l20);
-
- matched1 = eth_identify_subint (hi1,
- b1,
- match_flags1,
- main_intf1,
- vlan_intf1,
- qinq_intf1,
- &subint_sw_if_index1,
- &error1,
- &is_l21);
-
- if (PREDICT_FALSE (sw_if_index0 != subint_sw_if_index0)) {
- // Drop packet
- next0 = L2_EFP_FILTER_NEXT_DROP;
- b0->error = node->errors[L2_EFP_FILTER_ERROR_DROP];
- }
- if (PREDICT_FALSE (sw_if_index1 != subint_sw_if_index1)) {
- // Drop packet
- next1 = L2_EFP_FILTER_NEXT_DROP;
- b1->error = node->errors[L2_EFP_FILTER_ERROR_DROP];
- }
+ /* TX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_TX];
+
+ /* process 2 packets */
+ em->counters[node_counter_base_index +
+ L2_EFP_FILTER_ERROR_L2_EFP_FILTER] += 2;
+
+ /* Remove ourself from the feature bitmap */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2OUTPUT_FEAT_EFP_FILTER;
+ feature_bitmap1 =
+ vnet_buffer (b1)->l2.feature_bitmap & ~L2OUTPUT_FEAT_EFP_FILTER;
+
+ /* Determine next node */
+ l2_output_dispatch (msm->vlib_main,
+ msm->vnet_main,
+ node,
+ l2_efp_filter_node.index,
+ &cached_sw_if_index,
+ &cached_next_index,
+ &msm->next_nodes,
+ b0, sw_if_index0, feature_bitmap0, &next0);
+ l2_output_dispatch (msm->vlib_main,
+ msm->vnet_main,
+ node,
+ l2_efp_filter_node.index,
+ &cached_sw_if_index,
+ &cached_next_index,
+ &msm->next_nodes,
+ b1, sw_if_index1, feature_bitmap1, &next1);
+
+ /* perform the efp filter check on two packets */
+
+ extract_keys (msm->vnet_main,
+ sw_if_index0,
+ b0,
+ &port_sw_if_index0,
+ &first_ethertype0,
+ &outer_id0, &inner_id0, &match_flags0);
+
+ extract_keys (msm->vnet_main,
+ sw_if_index1,
+ b1,
+ &port_sw_if_index1,
+ &first_ethertype1,
+ &outer_id1, &inner_id1, &match_flags1);
+
+ eth_vlan_table_lookups (ðernet_main,
+ msm->vnet_main,
+ port_sw_if_index0,
+ first_ethertype0,
+ outer_id0,
+ inner_id0,
+ &hi0,
+ &main_intf0, &vlan_intf0, &qinq_intf0);
+
+ eth_vlan_table_lookups (ðernet_main,
+ msm->vnet_main,
+ port_sw_if_index1,
+ first_ethertype1,
+ outer_id1,
+ inner_id1,
+ &hi1,
+ &main_intf1, &vlan_intf1, &qinq_intf1);
+
+ matched0 = eth_identify_subint (hi0,
+ b0,
+ match_flags0,
+ main_intf0,
+ vlan_intf0,
+ qinq_intf0,
+ &subint_sw_if_index0,
+ &error0, &is_l20);
+
+ matched1 = eth_identify_subint (hi1,
+ b1,
+ match_flags1,
+ main_intf1,
+ vlan_intf1,
+ qinq_intf1,
+ &subint_sw_if_index1,
+ &error1, &is_l21);
+
+ if (PREDICT_FALSE (sw_if_index0 != subint_sw_if_index0))
+ {
+ /* Drop packet */
+ next0 = L2_EFP_FILTER_NEXT_DROP;
+ b0->error = node->errors[L2_EFP_FILTER_ERROR_DROP];
+ }
+
+ if (PREDICT_FALSE (sw_if_index1 != subint_sw_if_index1))
+ {
+ /* Drop packet */
+ next1 = L2_EFP_FILTER_NEXT_DROP;
+ b1->error = node->errors[L2_EFP_FILTER_ERROR_DROP];
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ l2_efp_filter_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ clib_memcpy (t->raw, &h0->type, sizeof (t->raw));
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ethernet_header_t *h1 = vlib_buffer_get_current (b1);
+ l2_efp_filter_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ clib_memcpy (t->raw, &h1->type, sizeof (t->raw));
+ }
+ }
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE))) {
- if (b0->flags & VLIB_BUFFER_IS_TRACED) {
- ethernet_header_t * h0 = vlib_buffer_get_current (b0);
- l2_efp_filter_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- clib_memcpy(t->raw, &h0->type, sizeof(t->raw));
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED) {
- ethernet_header_t * h1 = vlib_buffer_get_current (b1);
- l2_efp_filter_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- clib_memcpy(t->raw, &h1->type, sizeof(t->raw));
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- /* if next0==next1==next_index then nothing special needs to be done */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
- u32 feature_bitmap0;
- u16 first_ethertype0;
- u16 outer_id0, inner_id0;
- u32 match_flags0;
- u32 port_sw_if_index0, subint_sw_if_index0;
- vnet_hw_interface_t * hi0;
- main_intf_t * main_intf0;
- vlan_intf_t * vlan_intf0;
- qinq_intf_t * qinq_intf0;
- u32 is_l20;
- __attribute__((unused)) u32 matched0;
- u8 error0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+ u32 feature_bitmap0;
+ u16 first_ethertype0;
+ u16 outer_id0, inner_id0;
+ u32 match_flags0;
+ u32 port_sw_if_index0, subint_sw_if_index0;
+ vnet_hw_interface_t *hi0;
+ main_intf_t *main_intf0;
+ vlan_intf_t *vlan_intf0;
+ qinq_intf_t *qinq_intf0;
+ u32 is_l20;
+ __attribute__ ((unused)) u32 matched0;
+ u8 error0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_TX];
-
- // process 1 packet
- em->counters[node_counter_base_index + L2_EFP_FILTER_ERROR_L2_EFP_FILTER] += 1;
-
- // Remove ourself from the feature bitmap
- feature_bitmap0 = vnet_buffer(b0)->l2.feature_bitmap & ~L2OUTPUT_FEAT_EFP_FILTER;
-
- // Determine next node
- l2_output_dispatch (msm->vlib_main,
- msm->vnet_main,
- node,
- l2_efp_filter_node.index,
- &cached_sw_if_index,
- &cached_next_index,
- &msm->next_nodes,
- b0,
- sw_if_index0,
- feature_bitmap0,
- &next0);
-
- // perform the efp filter check on one packet
-
- extract_keys (msm->vnet_main,
- sw_if_index0,
- b0,
- &port_sw_if_index0,
- &first_ethertype0,
- &outer_id0,
- &inner_id0,
- &match_flags0);
-
- eth_vlan_table_lookups (ðernet_main,
- msm->vnet_main,
- port_sw_if_index0,
- first_ethertype0,
- outer_id0,
- inner_id0,
- &hi0,
- &main_intf0,
- &vlan_intf0,
- &qinq_intf0);
-
- matched0 = eth_identify_subint (hi0,
- b0,
- match_flags0,
- main_intf0,
- vlan_intf0,
- qinq_intf0,
- &subint_sw_if_index0,
- &error0,
- &is_l20);
-
- if (PREDICT_FALSE (sw_if_index0 != subint_sw_if_index0)) {
- // Drop packet
- next0 = L2_EFP_FILTER_NEXT_DROP;
- b0->error = node->errors[L2_EFP_FILTER_ERROR_DROP];
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- ethernet_header_t * h0 = vlib_buffer_get_current (b0);
- l2_efp_filter_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- clib_memcpy(t->raw, &h0->type, sizeof(t->raw));
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+
+ /* process 1 packet */
+ em->counters[node_counter_base_index +
+ L2_EFP_FILTER_ERROR_L2_EFP_FILTER] += 1;
+
+ /* Remove ourself from the feature bitmap */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2OUTPUT_FEAT_EFP_FILTER;
+
+ /* Determine next node */
+ l2_output_dispatch (msm->vlib_main,
+ msm->vnet_main,
+ node,
+ l2_efp_filter_node.index,
+ &cached_sw_if_index,
+ &cached_next_index,
+ &msm->next_nodes,
+ b0, sw_if_index0, feature_bitmap0, &next0);
+
+ /* perform the efp filter check on one packet */
+
+ extract_keys (msm->vnet_main,
+ sw_if_index0,
+ b0,
+ &port_sw_if_index0,
+ &first_ethertype0,
+ &outer_id0, &inner_id0, &match_flags0);
+
+ eth_vlan_table_lookups (ðernet_main,
+ msm->vnet_main,
+ port_sw_if_index0,
+ first_ethertype0,
+ outer_id0,
+ inner_id0,
+ &hi0,
+ &main_intf0, &vlan_intf0, &qinq_intf0);
+
+ matched0 = eth_identify_subint (hi0,
+ b0,
+ match_flags0,
+ main_intf0,
+ vlan_intf0,
+ qinq_intf0,
+ &subint_sw_if_index0,
+ &error0, &is_l20);
+
+ if (PREDICT_FALSE (sw_if_index0 != subint_sw_if_index0))
+ {
+ /* Drop packet */
+ next0 = L2_EFP_FILTER_NEXT_DROP;
+ b0->error = node->errors[L2_EFP_FILTER_ERROR_DROP];
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ l2_efp_filter_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ clib_memcpy (t->raw, &h0->type, sizeof (t->raw));
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_efp_filter_node,static) = {
.function = l2_efp_filter_node_fn,
.name = "l2-efp-filter",
.vector_size = sizeof (u32),
.format_trace = format_l2_efp_filter_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2_efp_filter_error_strings),
.error_strings = l2_efp_filter_error_strings,
[L2_EFP_FILTER_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2_efp_filter_node, l2_efp_filter_node_fn)
-
-clib_error_t *l2_efp_filter_init (vlib_main_t *vm)
+ clib_error_t *l2_efp_filter_init (vlib_main_t * vm)
{
- l2_efp_filter_main_t * mp = &l2_efp_filter_main;
-
+ l2_efp_filter_main_t *mp = &l2_efp_filter_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2_efp_filter_node.index,
- L2OUTPUT_N_FEAT,
- l2output_get_feat_names(),
- mp->next_nodes.feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2_efp_filter_node.index,
+ L2OUTPUT_N_FEAT,
+ l2output_get_feat_names (),
+ mp->next_nodes.feat_next_node_index);
- // Initialize the output node mapping table
- l2output_init_output_node_vec(&mp->next_nodes.output_node_index_vec);
+ /* Initialize the output node mapping table */
+ l2output_init_output_node_vec (&mp->next_nodes.output_node_index_vec);
return 0;
}
VLIB_INIT_FUNCTION (l2_efp_filter_init);
-// Enable/disable the EFP Filter check on the subinterface
-void l2_efp_filter_configure (vnet_main_t * vnet_main,
- u32 sw_if_index,
- u32 enable)
+/** Enable/disable the EFP Filter check on the subinterface */
+void
+l2_efp_filter_configure (vnet_main_t * vnet_main, u32 sw_if_index, u32 enable)
{
- // set the interface flag
- l2output_intf_bitmap_enable(sw_if_index, L2OUTPUT_FEAT_EFP_FILTER, enable);
+ /* set the interface flag */
+ l2output_intf_bitmap_enable (sw_if_index, L2OUTPUT_FEAT_EFP_FILTER, enable);
}
-// set subinterface egress efp filter enable/disable
-// The CLI format is:
-// set interface l2 efp-filter <interface> [disable]]
+/**
+ * set subinterface egress efp filter enable/disable
+ * The CLI format is:
+ * set interface l2 efp-filter <interface> [disable]]
+ */
static clib_error_t *
int_l2_efp_filter (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index;
u32 enable;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
- // enable/disable the feature
+ /* enable/disable the feature */
l2_efp_filter_configure (vnm, sw_if_index, enable);
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_l2_efp_filter_cli, static) = {
.path = "set interface l2 efp-filter",
.short_help = "set interface l2 efp-filter <interface> [disable]",
.function = int_l2_efp_filter,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#ifndef included_vnet_l2_efp_filter_h
#define included_vnet_l2_efp_filter_h
-
#include <vlib/vlib.h>
#include <vnet/vnet.h>
-
#endif
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vppinfra/bihash_template.c>
-typedef struct {
+typedef struct
+{
/* hash table */
- BVT(clib_bihash) mac_table;
+ BVT (clib_bihash) mac_table;
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2fib_main_t;
l2fib_main_t l2fib_main;
-// Format sw_if_index. If the value is ~0, use the text "N/A"
-u8 * format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args)
+/** Format sw_if_index. If the value is ~0, use the text "N/A" */
+u8 *
+format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args)
{
- vnet_main_t * vnm = va_arg (*args, vnet_main_t *);
+ vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
u32 sw_if_index = va_arg (*args, u32);
if (sw_if_index == ~0)
return format (s, "N/A");
- else
+ else
return format (s, "%U",
- format_vnet_sw_interface_name, vnm,
- vnet_get_sw_interface (vnm, sw_if_index));
+ format_vnet_sw_interface_name, vnm,
+ vnet_get_sw_interface (vnm, sw_if_index));
}
-void l2fib_table_dump (u32 bd_index, l2fib_entry_key_t **l2fe_key,
- l2fib_entry_result_t **l2fe_res)
+void
+l2fib_table_dump (u32 bd_index, l2fib_entry_key_t ** l2fe_key,
+ l2fib_entry_result_t ** l2fe_res)
{
- l2fib_main_t * msm = &l2fib_main;
- BVT(clib_bihash) * h = &msm->mac_table;
- clib_bihash_bucket_t * b;
- BVT(clib_bihash_value) * v;
+ l2fib_main_t *msm = &l2fib_main;
+ BVT (clib_bihash) * h = &msm->mac_table;
+ clib_bihash_bucket_t *b;
+ BVT (clib_bihash_value) * v;
l2fib_entry_key_t key;
l2fib_entry_result_t result;
int i, j, k;
{
b = &h->buckets[i];
if (b->offset == 0)
- continue;
- v = BV(clib_bihash_get_value) (h, b->offset);
- for (j = 0; j < (1<<b->log2_pages); j++)
- {
- for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
- {
- if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
- continue;
-
- key.raw = v->kvp[k].key;
- result.raw = v->kvp[k].value;
-
- if ((bd_index == ~0) || (bd_index == key.fields.bd_index))
- {
- vec_add1 (*l2fe_key, key);
- vec_add1 (*l2fe_res, result);
- }
- }
- v++;
- }
+ continue;
+ v = BV (clib_bihash_get_value) (h, b->offset);
+ for (j = 0; j < (1 << b->log2_pages); j++)
+ {
+ for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
+ {
+ if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
+ continue;
+
+ key.raw = v->kvp[k].key;
+ result.raw = v->kvp[k].value;
+
+ if ((bd_index == ~0) || (bd_index == key.fields.bd_index))
+ {
+ vec_add1 (*l2fe_key, key);
+ vec_add1 (*l2fe_res, result);
+ }
+ }
+ v++;
+ }
}
}
-// Display the contents of the l2fib
+/** Display the contents of the l2fib */
static clib_error_t *
-show_l2fib (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+show_l2fib (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- l2fib_main_t * msm = &l2fib_main;
- BVT(clib_bihash) * h = &msm->mac_table;
- clib_bihash_bucket_t * b;
- BVT(clib_bihash_value) * v;
+ bd_main_t *bdm = &bd_main;
+ l2fib_main_t *msm = &l2fib_main;
+ BVT (clib_bihash) * h = &msm->mac_table;
+ clib_bihash_bucket_t *b;
+ BVT (clib_bihash_value) * v;
l2fib_entry_key_t key;
l2fib_entry_result_t result;
u32 first_entry = 1;
else if (unformat (input, "bd_id %d", &bd_id))
{
uword *p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (p)
- {
+ if (p)
+ {
verbose = 1;
bd_index = p[0];
- }
+ }
else
- {
+ {
vlib_cli_output (vm, "no such bridge domain id");
return 0;
- }
+ }
}
for (i = 0; i < h->nbuckets; i++)
{
b = &h->buckets[i];
if (b->offset == 0)
- continue;
- v = BV(clib_bihash_get_value) (h, b->offset);
- for (j = 0; j < (1<<b->log2_pages); j++)
- {
- for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
- {
- if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
- continue;
-
- if (verbose && first_entry)
- {
- first_entry=0;
- vlib_cli_output (vm,
- "%=19s%=7s%=30s%=7s%=8s%=8s%=5s%=9s%=11s",
- "Mac Address", "BD Idx", "Interface",
- "Index", "static", "filter", "bvi",
- "refresh", "timestamp");
- }
-
- key.raw = v->kvp[k].key;
- result.raw = v->kvp[k].value;
-
- if (verbose
- & ((bd_index >>31) || (bd_index == key.fields.bd_index)))
- {
- vlib_cli_output (vm,
- "%=19U%=7d%=30U%=7d%=8d%=8d%=5d%=9d%=11X",
- format_ethernet_address, key.fields.mac,
- key.fields.bd_index,
- format_vnet_sw_if_index_name_with_NA,
- msm->vnet_main, result.fields.sw_if_index,
- result.fields.sw_if_index == ~0
- ? -1 : result.fields.sw_if_index,
- result.fields.static_mac,
- result.fields.filter,
- result.fields.bvi,
- result.fields.refresh,
- result.fields.timestamp);
- }
- total_entries++;
- }
- v++;
- }
+ continue;
+ v = BV (clib_bihash_get_value) (h, b->offset);
+ for (j = 0; j < (1 << b->log2_pages); j++)
+ {
+ for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
+ {
+ if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
+ continue;
+
+ if (verbose && first_entry)
+ {
+ first_entry = 0;
+ vlib_cli_output (vm,
+ "%=19s%=7s%=30s%=7s%=8s%=8s%=5s%=9s%=11s",
+ "Mac Address", "BD Idx", "Interface",
+ "Index", "static", "filter", "bvi",
+ "refresh", "timestamp");
+ }
+
+ key.raw = v->kvp[k].key;
+ result.raw = v->kvp[k].value;
+
+ if (verbose
+ & ((bd_index >> 31) || (bd_index == key.fields.bd_index)))
+ {
+ vlib_cli_output (vm,
+ "%=19U%=7d%=30U%=7d%=8d%=8d%=5d%=9d%=11X",
+ format_ethernet_address, key.fields.mac,
+ key.fields.bd_index,
+ format_vnet_sw_if_index_name_with_NA,
+ msm->vnet_main, result.fields.sw_if_index,
+ result.fields.sw_if_index == ~0
+ ? -1 : result.fields.sw_if_index,
+ result.fields.static_mac,
+ result.fields.filter,
+ result.fields.bvi,
+ result.fields.refresh,
+ result.fields.timestamp);
+ }
+ total_entries++;
+ }
+ v++;
+ }
}
if (total_entries == 0)
if (raw)
vlib_cli_output (vm, "Raw Hash Table:\n%U\n",
- BV(format_bihash), h, 1 /* verbose */);
+ BV (format_bihash), h, 1 /* verbose */ );
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_l2fib_cli, static) = {
.path = "show l2fib",
.short_help = "show l2fib [verbose | bd_id <nn> | bd_index <nn> | raw]",
.function = show_l2fib,
};
+/* *INDENT-ON* */
-// Remove all entries from the l2fib
-void l2fib_clear_table (uint keep_static)
+/* Remove all entries from the l2fib */
+void
+l2fib_clear_table (uint keep_static)
{
- l2fib_main_t * mp = &l2fib_main;
+ l2fib_main_t *mp = &l2fib_main;
- if (keep_static) {
- // TODO: remove only non-static entries
- } else {
- // Remove all entries
- BV(clib_bihash_free) (&mp->mac_table);
- BV(clib_bihash_init) (&mp->mac_table, "l2fib mac table",
- L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE);
- }
+ if (keep_static)
+ {
+ /* TODO: remove only non-static entries */
+ }
+ else
+ {
+ /* Remove all entries */
+ BV (clib_bihash_free) (&mp->mac_table);
+ BV (clib_bihash_init) (&mp->mac_table, "l2fib mac table",
+ L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE);
+ }
l2learn_main.global_learn_count = 0;
}
-// Clear all entries in L2FIB
-// TODO: Later we may want a way to remove only the non-static entries
+/** Clear all entries in L2FIB
+ * TODO: Later we may want a way to remove only the non-static entries
+ */
static clib_error_t *
-clear_l2fib (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+clear_l2fib (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
l2fib_clear_table (0);
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (clear_l2fib_cli, static) = {
.path = "clear l2fib",
.short_help = "Clear l2fib mac forwarding entries",
.function = clear_l2fib,
};
+/* *INDENT-ON* */
-// Add an entry to the l2fib.
-// If the entry already exists then overwrite it
-void l2fib_add_entry (u64 mac,
- u32 bd_index,
- u32 sw_if_index,
- u32 static_mac,
- u32 filter_mac,
- u32 bvi_mac) {
+/**
+ * Add an entry to the l2fib.
+ * If the entry already exists then overwrite it
+ */
+void
+l2fib_add_entry (u64 mac,
+ u32 bd_index,
+ u32 sw_if_index, u32 static_mac, u32 filter_mac, u32 bvi_mac)
+{
l2fib_entry_key_t key;
l2fib_entry_result_t result;
- __attribute__((unused)) u32 bucket_contents;
- l2fib_main_t * mp = &l2fib_main;
- BVT(clib_bihash_kv) kv;
-
- // set up key
- key.raw = l2fib_make_key ((u8 *)&mac, bd_index);
-
- // set up result
- result.raw = 0; // clear all fields
+ __attribute__ ((unused)) u32 bucket_contents;
+ l2fib_main_t *mp = &l2fib_main;
+ BVT (clib_bihash_kv) kv;
+
+ /* set up key */
+ key.raw = l2fib_make_key ((u8 *) & mac, bd_index);
+
+ /* set up result */
+ result.raw = 0; /* clear all fields */
result.fields.sw_if_index = sw_if_index;
result.fields.static_mac = static_mac;
result.fields.filter = filter_mac;
kv.key = key.raw;
kv.value = result.raw;
- BV(clib_bihash_add_del) (&mp->mac_table, &kv, 1 /* is_add */);
+ BV (clib_bihash_add_del) (&mp->mac_table, &kv, 1 /* is_add */ );
- // increment counter if dynamically learned mac
- if (result.fields.static_mac) {
- l2learn_main.global_learn_count++;
- }
+ /* increment counter if dynamically learned mac */
+ if (result.fields.static_mac)
+ {
+ l2learn_main.global_learn_count++;
+ }
}
-// Add an entry to the L2FIB
-// The CLI format is:
-// l2fib add <mac> <bd> <intf> [static] [bvi]
-// l2fib add <mac> <bd> filter
-// Note that filter and bvi entries are always static
+/**
+ * Add an entry to the L2FIB
+ * The CLI format is:
+ * l2fib add <mac> <bd> <intf> [static] [bvi]
+ * l2fib add <mac> <bd> filter
+ * Note that filter and bvi entries are always static
+ */
static clib_error_t *
-l2fib_add (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+l2fib_add (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ bd_main_t *bdm = &bd_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u64 mac;
u32 bd_id;
u32 bd_index;
u32 filter_mac = 0;
u32 static_mac = 0;
u32 bvi_mac = 0;
- uword * p;
+ uword *p;
- if (! unformat_user (input, unformat_ethernet_address, &mac))
+ if (!unformat_user (input, unformat_ethernet_address, &mac))
{
error = clib_error_return (0, "expected mac address `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
-
- if (!unformat (input, "%d", &bd_id)) {
+
+ if (!unformat (input, "%d", &bd_id))
+ {
error = clib_error_return (0, "expected bridge domain ID `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
- }
+ }
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (!p) {
+ if (!p)
+ {
error = clib_error_return (0, "bridge domain ID %d invalid", bd_id);
goto done;
- }
+ }
bd_index = p[0];
- if (unformat (input, "filter")) {
- filter_mac = 1;
- static_mac = 1;
-
- } else {
+ if (unformat (input, "filter"))
+ {
+ filter_mac = 1;
+ static_mac = 1;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index)) {
- error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
- goto done;
}
- if (unformat (input, "static")) {
- static_mac = 1;
- } else if (unformat (input, "bvi")) {
- bvi_mac = 1;
- static_mac = 1;
+ else
+ {
+
+ if (!unformat_user
+ (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ {
+ error = clib_error_return (0, "unknown interface `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+ if (unformat (input, "static"))
+ {
+ static_mac = 1;
+ }
+ else if (unformat (input, "bvi"))
+ {
+ bvi_mac = 1;
+ static_mac = 1;
+ }
}
- }
- l2fib_add_entry(mac, bd_index, sw_if_index, static_mac, filter_mac, bvi_mac);
+ l2fib_add_entry (mac, bd_index, sw_if_index, static_mac, filter_mac,
+ bvi_mac);
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (l2fib_add_cli, static) = {
.path = "l2fib add",
.short_help = "Add l2fib mac forwarding entry <mac> <bd-id> filter | <intf> [static | bvi]",
.function = l2fib_add,
};
+/* *INDENT-ON* */
static clib_error_t *
-l2fib_test_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+l2fib_test_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- clib_error_t * error = 0;
+ clib_error_t *error = 0;
u64 mac, save_mac;
u32 bd_index = 0;
u32 sw_if_index = 8;
int mac_set = 0;
int i;
- while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "mac %U", unformat_ethernet_address, &mac))
- mac_set = 1;
+ mac_set = 1;
else if (unformat (input, "add"))
- is_add = 1;
+ is_add = 1;
else if (unformat (input, "del"))
- is_del = 1;
+ is_del = 1;
else if (unformat (input, "check"))
- is_check = 1;
+ is_check = 1;
else if (unformat (input, "count %d", &count))
- ;
+ ;
else
- break;
- }
+ break;
+ }
if (mac_set == 0)
return clib_error_return (0, "mac not set");
if (is_add == 0 && is_del == 0 && is_check == 0)
- return clib_error_return (0, "noop: pick at least one of (add,del,check)");
+ return clib_error_return (0,
+ "noop: pick at least one of (add,del,check)");
save_mac = mac;
if (is_add)
{
for (i = 0; i < count; i++)
- {
- u64 tmp;
- l2fib_add_entry(mac, bd_index, sw_if_index, mac,
- filter_mac, bvi_mac);
- tmp = clib_net_to_host_u64(mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
- }
+ {
+ u64 tmp;
+ l2fib_add_entry (mac, bd_index, sw_if_index, mac,
+ filter_mac, bvi_mac);
+ tmp = clib_net_to_host_u64 (mac);
+ tmp >>= 16;
+ tmp++;
+ tmp <<= 16;
+ mac = clib_host_to_net_u64 (tmp);
+ }
}
if (is_check)
{
- BVT(clib_bihash_kv) kv;
- l2fib_main_t * mp = &l2fib_main;
+ BVT (clib_bihash_kv) kv;
+ l2fib_main_t *mp = &l2fib_main;
mac = save_mac;
for (i = 0; i < count; i++)
- {
- u64 tmp;
- kv.key = l2fib_make_key ((u8 *)&mac, bd_index);
- if (BV(clib_bihash_search) (&mp->mac_table, &kv, &kv))
- {
- clib_warning ("key %U AWOL", format_ethernet_address, &mac);
- break;
- }
- tmp = clib_net_to_host_u64(mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
- }
+ {
+ u64 tmp;
+ kv.key = l2fib_make_key ((u8 *) & mac, bd_index);
+ if (BV (clib_bihash_search) (&mp->mac_table, &kv, &kv))
+ {
+ clib_warning ("key %U AWOL", format_ethernet_address, &mac);
+ break;
+ }
+ tmp = clib_net_to_host_u64 (mac);
+ tmp >>= 16;
+ tmp++;
+ tmp <<= 16;
+ mac = clib_host_to_net_u64 (tmp);
+ }
}
if (is_del)
{
for (i = 0; i < count; i++)
- {
- u64 tmp;
-
- l2fib_del_entry (mac, bd_index);
-
- tmp = clib_net_to_host_u64(mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
- }
+ {
+ u64 tmp;
+
+ l2fib_del_entry (mac, bd_index);
+
+ tmp = clib_net_to_host_u64 (mac);
+ tmp >>= 16;
+ tmp++;
+ tmp <<= 16;
+ mac = clib_host_to_net_u64 (tmp);
+ }
}
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (l2fib_test_command, static) = {
.path = "test l2fib",
.short_help = "test l2fib [del] mac <base-addr> count <nn>",
.function = l2fib_test_command_fn,
};
+/* *INDENT-ON* */
-// Delete an entry from the l2fib.
-// Return 0 if the entry was deleted, or 1 if it was not found
-u32 l2fib_del_entry (u64 mac,
- u32 bd_index) {
+/**
+ * Delete an entry from the l2fib.
+ * Return 0 if the entry was deleted, or 1 if it was not found
+ */
+u32
+l2fib_del_entry (u64 mac, u32 bd_index)
+{
l2fib_entry_result_t result;
- l2fib_main_t * mp = &l2fib_main;
- BVT(clib_bihash_kv) kv;
+ l2fib_main_t *mp = &l2fib_main;
+ BVT (clib_bihash_kv) kv;
- // set up key
- kv.key = l2fib_make_key ((u8 *)&mac, bd_index);
+ /* set up key */
+ kv.key = l2fib_make_key ((u8 *) & mac, bd_index);
- if (BV(clib_bihash_search) (&mp->mac_table, &kv, &kv))
+ if (BV (clib_bihash_search) (&mp->mac_table, &kv, &kv))
return 1;
result.raw = kv.value;
- // decrement counter if dynamically learned mac
- if (result.fields.static_mac) {
- if (l2learn_main.global_learn_count > 0) {
- l2learn_main.global_learn_count--;
+ /* decrement counter if dynamically learned mac */
+ if (result.fields.static_mac)
+ {
+ if (l2learn_main.global_learn_count > 0)
+ {
+ l2learn_main.global_learn_count--;
+ }
}
- }
- // Remove entry from hash table
- BV(clib_bihash_add_del) (&mp->mac_table, &kv, 0 /* is_add */);
+ /* Remove entry from hash table */
+ BV (clib_bihash_add_del) (&mp->mac_table, &kv, 0 /* is_add */ );
return 0;
}
-// Delete an entry from the L2FIB
-// The CLI format is:
-// l2fib del <mac> <bd-id>
+/**
+ * Delete an entry from the L2FIB
+ * The CLI format is:
+ * l2fib del <mac> <bd-id>
+ */
static clib_error_t *
-l2fib_del (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+l2fib_del (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- bd_main_t * bdm = &bd_main;
- clib_error_t * error = 0;
+ bd_main_t *bdm = &bd_main;
+ clib_error_t *error = 0;
u64 mac;
u32 bd_id;
u32 bd_index;
- uword * p;
+ uword *p;
- if (! unformat_user (input, unformat_ethernet_address, &mac))
+ if (!unformat_user (input, unformat_ethernet_address, &mac))
{
error = clib_error_return (0, "expected mac address `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
-
- if (!unformat (input, "%d", &bd_id)) {
+
+ if (!unformat (input, "%d", &bd_id))
+ {
error = clib_error_return (0, "expected bridge domain ID `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
- }
+ }
p = hash_get (bdm->bd_index_by_bd_id, bd_id);
- if (!p) {
+ if (!p)
+ {
error = clib_error_return (0, "bridge domain ID %d invalid", bd_id);
goto done;
- }
+ }
bd_index = p[0];
- // Delete the entry
- if (l2fib_del_entry(mac, bd_index)) {
- error = clib_error_return (0, "mac entry not found");
- goto done;
- }
+ /* Delete the entry */
+ if (l2fib_del_entry (mac, bd_index))
+ {
+ error = clib_error_return (0, "mac entry not found");
+ goto done;
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (l2fib_del_cli, static) = {
.path = "l2fib del",
.short_help = "Delete l2fib mac forwarding entry <mac> <bd-id>",
.function = l2fib_del,
};
+/* *INDENT-ON* */
-BVT(clib_bihash) *get_mac_table(void) {
- l2fib_main_t * mp = &l2fib_main;
+BVT (clib_bihash) * get_mac_table (void)
+{
+ l2fib_main_t *mp = &l2fib_main;
return &mp->mac_table;
}
-clib_error_t *l2fib_init (vlib_main_t *vm)
+clib_error_t *
+l2fib_init (vlib_main_t * vm)
{
- l2fib_main_t * mp = &l2fib_main;
+ l2fib_main_t *mp = &l2fib_main;
l2fib_entry_key_t test_key;
u8 test_mac[6];
-
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Create the hash table
- BV(clib_bihash_init) (&mp->mac_table, "l2fib mac table",
- L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE);
+ /* Create the hash table */
+ BV (clib_bihash_init) (&mp->mac_table, "l2fib mac table",
+ L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE);
- // verify the key constructor is good, since it is endian-sensitive
- memset (test_mac, 0, sizeof(test_mac));
+ /* verify the key constructor is good, since it is endian-sensitive */
+ memset (test_mac, 0, sizeof (test_mac));
test_mac[0] = 0x11;
test_key.raw = 0;
- test_key.raw = l2fib_make_key ((u8 *)&test_mac, 0x1234);
+ test_key.raw = l2fib_make_key ((u8 *) & test_mac, 0x1234);
ASSERT (test_key.fields.mac[0] == 0x11);
ASSERT (test_key.fields.bd_index == 0x1234);
VLIB_INIT_FUNCTION (l2fib_init);
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
/*
* The L2fib key is the mac address and bridge domain ID
*/
-typedef struct {
- union {
- struct {
+typedef struct
+{
+ union
+ {
+ struct
+ {
u16 bd_index;
- u8 mac[6];
+ u8 mac[6];
} fields;
- struct {
+ struct
+ {
u32 w0;
u32 w1;
} words;
};
} l2fib_entry_key_t;
-/*
+/*
* The l2fib entry results
*/
-typedef struct {
- union {
- struct {
- u32 sw_if_index; // output sw_if_index (L3 interface if bvi==1)
-
- u8 static_mac:1; // static mac, no dataplane learning
- u8 bvi:1; // mac is for a bridged virtual interface
- u8 filter:1; // drop packets to/from this mac
- u8 refresh:1; // refresh flag for aging
- u8 unused1:4;
- u8 timestamp; // timestamp for aging
+typedef struct
+{
+ union
+ {
+ struct
+ {
+ u32 sw_if_index; /* output sw_if_index (L3 interface if bvi==1) */
+
+ u8 static_mac:1; /* static mac, no dataplane learning */
+ u8 bvi:1; /* mac is for a bridged virtual interface */
+ u8 filter:1; /* drop packets to/from this mac */
+ u8 refresh:1; /* refresh flag for aging */
+ u8 unused1:4;
+ u8 timestamp; /* timestamp for aging */
u16 unused2;
} fields;
u64 raw;
} l2fib_entry_result_t;
-// Compute the hash for the given key and return the corresponding bucket index
-always_inline
-u32 l2fib_compute_hash_bucket (l2fib_entry_key_t *key) {
+/**
+ * Compute the hash for the given key and return
+ * the corresponding bucket index
+ */
+always_inline u32
+l2fib_compute_hash_bucket (l2fib_entry_key_t * key)
+{
u32 result;
u32 temp_a;
u32 temp_b;
- result = 0xa5a5a5a5; // some seed
+ result = 0xa5a5a5a5; /* some seed */
temp_a = key->words.w0;
temp_b = key->words.w1;
- hash_mix32(temp_a, temp_b, result);
+ hash_mix32 (temp_a, temp_b, result);
return result % L2FIB_NUM_BUCKETS;
}
-always_inline
-u64 l2fib_make_key (u8 * mac_address, u16 bd_index) {
+always_inline u64
+l2fib_make_key (u8 * mac_address, u16 bd_index)
+{
u64 temp;
- // The mac address in memory is A:B:C:D:E:F
- // The bd id in register is H:L
+ /*
+ * The mac address in memory is A:B:C:D:E:F
+ * The bd id in register is H:L
+ */
#if CLIB_ARCH_IS_LITTLE_ENDIAN
- // Create the in-register key as F:E:D:C:B:A:H:L
- // In memory the key is L:H:A:B:C:D:E:F
- temp = *((u64 *)(mac_address - 2));
- temp = (temp & ~0xffff) | (u64)(bd_index);
+ /*
+ * Create the in-register key as F:E:D:C:B:A:H:L
+ * In memory the key is L:H:A:B:C:D:E:F
+ */
+ temp = *((u64 *) (mac_address - 2));
+ temp = (temp & ~0xffff) | (u64) (bd_index);
#else
- // Create the in-register key as H:L:A:B:C:D:E:F
- // In memory the key is H:L:A:B:C:D:E:F
- temp = *((u64 *)(mac_address)) >> 16;
- temp = temp | (((u64)bd_index) << 48);
+ /*
+ * Create the in-register key as H:L:A:B:C:D:E:F
+ * In memory the key is H:L:A:B:C:D:E:F
+ */
+ temp = *((u64 *) (mac_address)) >> 16;
+ temp = temp | (((u64) bd_index) << 48);
#endif
return temp;
-// Lookup the entry for mac and bd_index in the mac table for 1 packet.
-// Cached_key and cached_result are used as a one-entry cache.
-// The function reads and updates them as needed.
-//
-// mac0 and bd_index0 are the keys. The entry is written to result0.
-// If the entry was not found, result0 is set to ~0.
-//
-// key0 and bucket0 return with the computed key and hash bucket,
-// convenient if the entry needs to be updated afterward.
-// If the cached_result was used, bucket0 is set to ~0.
+/**
+ * Lookup the entry for mac and bd_index in the mac table for 1 packet.
+ * Cached_key and cached_result are used as a one-entry cache.
+ * The function reads and updates them as needed.
+ *
+ * mac0 and bd_index0 are the keys. The entry is written to result0.
+ * If the entry was not found, result0 is set to ~0.
+ *
+ * key0 and bucket0 return with the computed key and hash bucket,
+ * convenient if the entry needs to be updated afterward.
+ * If the cached_result was used, bucket0 is set to ~0.
+ */
static_always_inline void
-l2fib_lookup_1 (BVT(clib_bihash) * mac_table,
- l2fib_entry_key_t * cached_key,
- l2fib_entry_result_t * cached_result,
- u8 * mac0,
- u16 bd_index0,
- l2fib_entry_key_t * key0,
- u32 * bucket0,
- l2fib_entry_result_t *result0)
+l2fib_lookup_1 (BVT (clib_bihash) * mac_table,
+ l2fib_entry_key_t * cached_key,
+ l2fib_entry_result_t * cached_result,
+ u8 * mac0,
+ u16 bd_index0,
+ l2fib_entry_key_t * key0,
+ u32 * bucket0, l2fib_entry_result_t * result0)
{
- // set up key
+ /* set up key */
key0->raw = l2fib_make_key (mac0, bd_index0);
*bucket0 = ~0;
-
- if (key0->raw == cached_key->raw) {
- // Hit in the one-entry cache
- result0->raw = cached_result->raw;
- } else {
- // Do a regular mac table lookup
- BVT(clib_bihash_kv) kv;
-
- kv.key = key0->raw;
- kv.value = ~0ULL;
- BV(clib_bihash_search_inline) (mac_table, &kv);
- result0->raw = kv.value;
-
- // Update one-entry cache
- cached_key->raw = key0->raw;
- cached_result->raw = result0->raw;
- }
-}
+ if (key0->raw == cached_key->raw)
+ {
+ /* Hit in the one-entry cache */
+ result0->raw = cached_result->raw;
+ }
+ else
+ {
+ /* Do a regular mac table lookup */
+ BVT (clib_bihash_kv) kv;
+
+ kv.key = key0->raw;
+ kv.value = ~0ULL;
+ BV (clib_bihash_search_inline) (mac_table, &kv);
+ result0->raw = kv.value;
+
+ /* Update one-entry cache */
+ cached_key->raw = key0->raw;
+ cached_result->raw = result0->raw;
+ }
+}
-// Lookup the entry for mac and bd_index in the mac table for 2 packets.
-// The lookups for the two packets are interleaved.
-//
-// Cached_key and cached_result are used as a one-entry cache.
-// The function reads and updates them as needed.
-//
-// mac0 and bd_index0 are the keys. The entry is written to result0.
-// If the entry was not found, result0 is set to ~0. The same
-// holds for mac1/bd_index1/result1.
+/**
+ * Lookup the entry for mac and bd_index in the mac table for 2 packets.
+ * The lookups for the two packets are interleaved.
+ *
+ * Cached_key and cached_result are used as a one-entry cache.
+ * The function reads and updates them as needed.
+ *
+ * mac0 and bd_index0 are the keys. The entry is written to result0.
+ * If the entry was not found, result0 is set to ~0. The same
+ * holds for mac1/bd_index1/result1.
+ */
static_always_inline void
-l2fib_lookup_2 (BVT(clib_bihash) * mac_table,
- l2fib_entry_key_t * cached_key,
- l2fib_entry_result_t * cached_result,
- u8 * mac0,
- u8 * mac1,
- u16 bd_index0,
- u16 bd_index1,
- l2fib_entry_key_t * key0,
- l2fib_entry_key_t * key1,
- u32 * bucket0,
- u32 * bucket1,
- l2fib_entry_result_t *result0,
- l2fib_entry_result_t *result1)
+l2fib_lookup_2 (BVT (clib_bihash) * mac_table,
+ l2fib_entry_key_t * cached_key,
+ l2fib_entry_result_t * cached_result,
+ u8 * mac0,
+ u8 * mac1,
+ u16 bd_index0,
+ u16 bd_index1,
+ l2fib_entry_key_t * key0,
+ l2fib_entry_key_t * key1,
+ u32 * bucket0,
+ u32 * bucket1,
+ l2fib_entry_result_t * result0,
+ l2fib_entry_result_t * result1)
{
- // set up key
+ /* set up key */
key0->raw = l2fib_make_key (mac0, bd_index0);
key1->raw = l2fib_make_key (mac1, bd_index1);
- if ((key0->raw == cached_key->raw) &&
- (key1->raw == cached_key->raw)) {
- // Both hit in the one-entry cache
- result0->raw = cached_result->raw;
- result1->raw = cached_result->raw;
- *bucket0 = ~0;
- *bucket1 = ~0;
-
- } else {
- BVT(clib_bihash_kv) kv0, kv1;
-
- // Do a regular mac table lookup
- // Interleave lookups for packet 0 and packet 1
- kv0.key = key0->raw;
- kv1.key = key1->raw;
- kv0.value = ~0ULL;
- kv1.value = ~0ULL;
-
- BV(clib_bihash_search_inline) (mac_table, &kv0);
- BV(clib_bihash_search_inline) (mac_table, &kv1);
-
- result0->raw = kv0.value;
- result1->raw = kv1.value;
-
- // Update one-entry cache
- cached_key->raw = key1->raw;
- cached_result->raw = result1->raw;
- }
+ if ((key0->raw == cached_key->raw) && (key1->raw == cached_key->raw))
+ {
+ /* Both hit in the one-entry cache */
+ result0->raw = cached_result->raw;
+ result1->raw = cached_result->raw;
+ *bucket0 = ~0;
+ *bucket1 = ~0;
+
+ }
+ else
+ {
+ BVT (clib_bihash_kv) kv0, kv1;
+
+ /*
+ * Do a regular mac table lookup
+ * Interleave lookups for packet 0 and packet 1
+ */
+ kv0.key = key0->raw;
+ kv1.key = key1->raw;
+ kv0.value = ~0ULL;
+ kv1.value = ~0ULL;
+
+ BV (clib_bihash_search_inline) (mac_table, &kv0);
+ BV (clib_bihash_search_inline) (mac_table, &kv1);
+
+ result0->raw = kv0.value;
+ result1->raw = kv1.value;
+
+ /* Update one-entry cache */
+ cached_key->raw = key1->raw;
+ cached_result->raw = result1->raw;
+ }
}
-BVT(clib_bihash) *get_mac_table(void);
-void l2fib_clear_table (uint keep_static);
-void l2fib_add_entry (u64 mac,
- u32 bd_index,
- u32 sw_if_index,
- u32 static_mac,
- u32 drop_mac,
- u32 bvi_mac);
-u32 l2fib_del_entry (u64 mac,
- u32 bd_index);
+BVT (clib_bihash) * get_mac_table (void);
+ void
+ l2fib_clear_table (uint keep_static);
+ void
+ l2fib_add_entry (u64 mac,
+ u32 bd_index,
+ u32 sw_if_index,
+ u32 static_mac, u32 drop_mac, u32 bvi_mac);
+u32
+l2fib_del_entry (u64 mac, u32 bd_index);
-void l2fib_table_dump (u32 bd_index, l2fib_entry_key_t **l2fe_key,
- l2fib_entry_result_t **l2fe_res);
+ void
+ l2fib_table_dump (u32 bd_index, l2fib_entry_key_t ** l2fe_key,
+ l2fib_entry_result_t ** l2fe_res);
-u8 * format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args);
+ u8 *format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args);
#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
/*
- * l2_flood.c : layer 2 flooding
+ * l2_flood.c : layer 2 flooding
*
* Copyright (c) 2013 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
*/
-typedef struct {
+typedef struct
+{
- // Next nodes for each feature
+ /* Next nodes for each feature */
u32 feat_next_node_index[32];
-
- // next node index for the L3 input node of each ethertype
+
+ /* next node index for the L3 input node of each ethertype */
next_by_ethertype_t l3_next;
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2flood_main_t;
-typedef struct {
+typedef struct
+{
u8 src[6];
u8 dst[6];
u32 sw_if_index;
/* packet trace format function */
-static u8 * format_l2flood_trace (u8 * s, va_list * args)
+static u8 *
+format_l2flood_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2flood_trace_t * t = va_arg (*args, l2flood_trace_t *);
-
+ l2flood_trace_t *t = va_arg (*args, l2flood_trace_t *);
+
s = format (s, "l2-flood: sw_if_index %d dst %U src %U bd_index %d",
- t->sw_if_index,
- format_ethernet_address, t->dst,
- format_ethernet_address, t->src,
- t->bd_index);
+ t->sw_if_index,
+ format_ethernet_address, t->dst,
+ format_ethernet_address, t->src, t->bd_index);
return s;
}
_(BVI_BAD_MAC, "BVI L3 mac mismatch") \
_(BVI_ETHERTYPE, "BVI packet with unhandled ethertype")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2FLOOD_ERROR_##sym,
foreach_l2flood_error
#undef _
- L2FLOOD_N_ERROR,
+ L2FLOOD_N_ERROR,
} l2flood_error_t;
-static char * l2flood_error_strings[] = {
+static char *l2flood_error_strings[] = {
#define _(sym,string) string,
foreach_l2flood_error
#undef _
};
-typedef enum {
+typedef enum
+{
L2FLOOD_NEXT_L2_OUTPUT,
L2FLOOD_NEXT_DROP,
L2FLOOD_N_NEXT,
*
* Due to the way BVI processing can modify the packet, the BVI interface
* (if present) must be processed last in the replication. The member vector
- * is arranged so that the BVI interface is always the first element.
+ * is arranged so that the BVI interface is always the first element.
* Flooding walks the vector in reverse.
*
* BVI processing causes the packet to go to L3 processing. This strips the
* L2 header, which is fine because the replication infrastructure restores
* it. However L3 processing can trigger larger changes to the packet. For
* example, an ARP request could be turned into an ARP reply, an ICMP request
- * could be turned into an ICMP reply. If BVI processing is not performed
- * last, the modified packet would be replicated to the remaining members.
+ * could be turned into an ICMP reply. If BVI processing is not performed
+ * last, the modified packet would be replicated to the remaining members.
*/
static_always_inline void
l2flood_process (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- l2flood_main_t * msm,
- u64 * counter_base,
- vlib_buffer_t * b0,
- u32 * sw_if_index0,
- l2fib_entry_key_t * key0,
- u32 * bucket0,
- l2fib_entry_result_t * result0,
- u32 * next0)
+ vlib_node_runtime_t * node,
+ l2flood_main_t * msm,
+ u64 * counter_base,
+ vlib_buffer_t * b0,
+ u32 * sw_if_index0,
+ l2fib_entry_key_t * key0,
+ u32 * bucket0, l2fib_entry_result_t * result0, u32 * next0)
{
u16 bd_index0;
l2_bridge_domain_t *bd_config;
- l2_flood_member_t * members;
- i32 current_member; // signed
- replication_context_t * ctx;
- u8 in_shg = vnet_buffer(b0)->l2.shg;
-
- if (!replication_is_recycled(b0)) {
-
- // Do flood "prep node" processing
-
- // Get config for the bridge domain interface
- bd_index0 = vnet_buffer(b0)->l2.bd_index;
- bd_config = vec_elt_at_index(l2input_main.bd_configs, bd_index0);
- members = bd_config->members;
-
- // Find first member that passes the reflection and SHG checks
- current_member = vec_len(members) - 1;
- while ((current_member >= 0) &&
- ((members[current_member].sw_if_index == *sw_if_index0) ||
- (in_shg && members[current_member].shg == in_shg))) {
- current_member--;
- }
+ l2_flood_member_t *members;
+ i32 current_member; /* signed */
+ replication_context_t *ctx;
+ u8 in_shg = vnet_buffer (b0)->l2.shg;
- if (current_member < 0) {
- // No members to flood to
- *next0 = L2FLOOD_NEXT_DROP;
- b0->error = node->errors[L2FLOOD_ERROR_NO_MEMBERS];
- return;
- }
+ if (!replication_is_recycled (b0))
+ {
+
+ /* Do flood "prep node" processing */
+
+ /* Get config for the bridge domain interface */
+ bd_index0 = vnet_buffer (b0)->l2.bd_index;
+ bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index0);
+ members = bd_config->members;
+
+ /* Find first member that passes the reflection and SHG checks */
+ current_member = vec_len (members) - 1;
+ while ((current_member >= 0) &&
+ ((members[current_member].sw_if_index == *sw_if_index0) ||
+ (in_shg && members[current_member].shg == in_shg)))
+ {
+ current_member--;
+ }
+
+ if (current_member < 0)
+ {
+ /* No members to flood to */
+ *next0 = L2FLOOD_NEXT_DROP;
+ b0->error = node->errors[L2FLOOD_ERROR_NO_MEMBERS];
+ return;
+ }
+
+ if ((current_member > 0) &&
+ ((current_member > 1) ||
+ ((members[0].sw_if_index != *sw_if_index0) &&
+ (!in_shg || members[0].shg != in_shg))))
+ {
+ /* If more than one member then initiate replication */
+ ctx =
+ replication_prep (vm, b0, l2flood_node.index, 1 /* l2_packet */ );
+ ctx->feature_replicas = (uword) members;
+ ctx->feature_counter = current_member;
+ }
- if ((current_member > 0) &&
- ((current_member > 1) ||
- ((members[0].sw_if_index != *sw_if_index0) &&
- (!in_shg || members[0].shg != in_shg)))) {
- // If more than one member then initiate replication
- ctx = replication_prep (vm, b0, l2flood_node.index, 1 /* l2_packet */);
- ctx->feature_replicas = (uword) members;
- ctx->feature_counter = current_member;
}
+ else
+ {
+ vnet_buffer_opaque_t *vnet_buff_op;
- } else {
- vnet_buffer_opaque_t *vnet_buff_op;
+ /* Do flood "recycle node" processing */
- // Do flood "recycle node" processing
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_REPL_FAIL))
+ {
+ (void) replication_recycle (vm, b0, 1 /* is_last */ );
+ *next0 = L2FLOOD_NEXT_DROP;
+ b0->error = node->errors[L2FLOOD_ERROR_REPL_FAIL];
+ return;
+ }
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_REPL_FAIL))
- {
- (void)replication_recycle (vm, b0, 1 /* is_last */);
- *next0 = L2FLOOD_NEXT_DROP;
- b0->error = node->errors[L2FLOOD_ERROR_REPL_FAIL];
- return;
- }
+ ctx = replication_get_ctx (b0);
+ replication_clear_recycled (b0);
- ctx = replication_get_ctx (b0);
- replication_clear_recycled (b0);
+ members = (l2_flood_member_t *) (intptr_t) ctx->feature_replicas;
+ current_member = (i32) ctx->feature_counter - 1;
- members = (l2_flood_member_t *)(intptr_t) ctx->feature_replicas;
- current_member = (i32)ctx->feature_counter - 1;
+ /* Need to update input index from saved packet context */
+ vnet_buff_op = (vnet_buffer_opaque_t *) ctx->vnet_buffer;
+ *sw_if_index0 = vnet_buff_op->sw_if_index[VLIB_RX];
- // Need to update input index from saved packet context
- vnet_buff_op = (vnet_buffer_opaque_t *)ctx->vnet_buffer;
- *sw_if_index0 = vnet_buff_op->sw_if_index[VLIB_RX];
+ /* Find next member that passes the reflection and SHG check */
+ while ((current_member >= 0) &&
+ ((members[current_member].sw_if_index == *sw_if_index0) ||
+ (in_shg && members[current_member].shg == in_shg)))
+ {
+ current_member--;
+ }
- // Find next member that passes the reflection and SHG check
- while ((current_member >= 0) &&
- ((members[current_member].sw_if_index == *sw_if_index0) ||
- (in_shg && members[current_member].shg == in_shg))) {
- current_member--;
- }
+ if (current_member < 0)
+ {
+ /*
+ * No more members to flood to.
+ * Terminate replication and drop packet.
+ */
- if (current_member < 0) {
- // No more members to flood to.
- // Terminate replication and drop packet.
+ replication_recycle (vm, b0, 1 /* is_last */ );
- replication_recycle (vm, b0, 1 /* is_last */);
+ *next0 = L2FLOOD_NEXT_DROP;
+ /* Ideally we woudn't bump a counter here, just silently complete */
+ b0->error = node->errors[L2FLOOD_ERROR_NO_MEMBERS];
+ return;
+ }
- *next0 = L2FLOOD_NEXT_DROP;
- // Ideally we woudn't bump a counter here, just silently complete
- b0->error = node->errors[L2FLOOD_ERROR_NO_MEMBERS];
- return;
+ /* Restore packet and context and continue replication */
+ ctx->feature_counter = current_member;
+ replication_recycle (vm, b0, ((current_member == 0) || /*is_last */
+ ((current_member == 1) &&
+ ((members[0].sw_if_index ==
+ *sw_if_index0) || (in_shg
+ && members[0].shg ==
+ in_shg)))));
}
- // Restore packet and context and continue replication
- ctx->feature_counter = current_member;
- replication_recycle (vm, b0,
- ((current_member == 0) || /*is_last */
- ((current_member == 1) &&
- ((members[0].sw_if_index == *sw_if_index0) ||
- (in_shg && members[0].shg == in_shg)))));
- }
-
- // Forward packet to the current member
-
- if (PREDICT_TRUE(members[current_member].flags == L2_FLOOD_MEMBER_NORMAL)) {
- // Do normal L2 forwarding
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = members[current_member].sw_if_index;
- *next0 = L2FLOOD_NEXT_L2_OUTPUT;
-
- } else {
- // Do BVI processing
- u32 rc;
- rc = l2_to_bvi (vm,
- msm->vnet_main,
- b0,
- members[current_member].sw_if_index,
- &msm->l3_next,
- next0);
-
- if (PREDICT_FALSE(rc)) {
- if (rc == TO_BVI_ERR_BAD_MAC) {
- b0->error = node->errors[L2FLOOD_ERROR_BVI_BAD_MAC];
- *next0 = L2FLOOD_NEXT_DROP;
- } else if (rc == TO_BVI_ERR_ETHERTYPE) {
- b0->error = node->errors[L2FLOOD_ERROR_BVI_ETHERTYPE];
- *next0 = L2FLOOD_NEXT_DROP;
- }
+ /* Forward packet to the current member */
+
+ if (PREDICT_TRUE (members[current_member].flags == L2_FLOOD_MEMBER_NORMAL))
+ {
+ /* Do normal L2 forwarding */
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] =
+ members[current_member].sw_if_index;
+ *next0 = L2FLOOD_NEXT_L2_OUTPUT;
+
+ }
+ else
+ {
+ /* Do BVI processing */
+ u32 rc;
+ rc = l2_to_bvi (vm,
+ msm->vnet_main,
+ b0,
+ members[current_member].sw_if_index,
+ &msm->l3_next, next0);
+
+ if (PREDICT_FALSE (rc))
+ {
+ if (rc == TO_BVI_ERR_BAD_MAC)
+ {
+ b0->error = node->errors[L2FLOOD_ERROR_BVI_BAD_MAC];
+ *next0 = L2FLOOD_NEXT_DROP;
+ }
+ else if (rc == TO_BVI_ERR_ETHERTYPE)
+ {
+ b0->error = node->errors[L2FLOOD_ERROR_BVI_ETHERTYPE];
+ *next0 = L2FLOOD_NEXT_DROP;
+ }
+ }
}
- }
}
static uword
l2flood_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2flood_next_t next_index;
- l2flood_main_t * msm = &l2flood_main;
+ l2flood_main_t *msm = &l2flood_main;
vlib_node_t *n = vlib_get_node (vm, l2flood_node.index);
u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
+ vlib_error_main_t *em = &vm->error_main;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
-
+
while (n_left_from > 0)
{
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 6 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
- l2fib_entry_key_t key0, key1;
- l2fib_entry_result_t result0, result1;
- u32 bucket0, bucket1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+ l2fib_entry_key_t key0, key1;
+ l2fib_entry_result_t result0, result1;
+ u32 bucket0, bucket1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3, * p4, * p5;
-
+ vlib_buffer_t *p2, *p3, *p4, *p5;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
p4 = vlib_get_buffer (vm, from[4]);
p5 = vlib_get_buffer (vm, from[5]);
-
- // Prefetch the buffer header for the N+2 loop iteration
+
+ /* Prefetch the buffer header for the N+2 loop iteration */
vlib_prefetch_buffer_header (p4, LOAD);
vlib_prefetch_buffer_header (p5, LOAD);
- // Prefetch the replication context for the N+1 loop iteration
- // This depends on the buffer header above
- replication_prefetch_ctx (p2);
- replication_prefetch_ctx (p3);
+ /* Prefetch the replication context for the N+1 loop iteration */
+ /* This depends on the buffer header above */
+ replication_prefetch_ctx (p2);
+ replication_prefetch_ctx (p3);
- // Prefetch the packet for the N+1 loop iteration
+ /* Prefetch the packet for the N+1 loop iteration */
CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
}
- /* speculatively enqueue b0 and b1 to the current next frame */
- /* bi is "buffer index", b is pointer to the buffer */
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
-
- /* RX interface handles */
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
- /* process 2 pkts */
- em->counters[node_counter_base_index + L2FLOOD_ERROR_L2FLOOD] += 2;
-
- l2flood_process (vm, node, msm, &em->counters[node_counter_base_index],
- b0, &sw_if_index0, &key0, &bucket0, &result0, &next0);
-
- l2flood_process (vm, node, msm, &em->counters[node_counter_base_index],
- b1, &sw_if_index1, &key1, &bucket1, &result1, &next1);
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- l2flood_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
- ethernet_header_t * h0 = vlib_buffer_get_current (b0);
- t->sw_if_index = sw_if_index0;
- t->bd_index = vnet_buffer(b0)->l2.bd_index;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
- if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
- {
- l2flood_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t));
- ethernet_header_t * h1 = vlib_buffer_get_current (b1);
- t->sw_if_index = sw_if_index1;
- t->bd_index = vnet_buffer(b1)->l2.bd_index;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- /* if next0==next1==next_index then nothing special needs to be done */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+
+ /* RX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+
+ /* process 2 pkts */
+ em->counters[node_counter_base_index + L2FLOOD_ERROR_L2FLOOD] += 2;
+
+ l2flood_process (vm, node, msm,
+ &em->counters[node_counter_base_index], b0,
+ &sw_if_index0, &key0, &bucket0, &result0, &next0);
+
+ l2flood_process (vm, node, msm,
+ &em->counters[node_counter_base_index], b1,
+ &sw_if_index1, &key1, &bucket1, &result1, &next1);
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ l2flood_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ t->sw_if_index = sw_if_index0;
+ t->bd_index = vnet_buffer (b0)->l2.bd_index;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+ if (PREDICT_FALSE (b1->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ l2flood_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ ethernet_header_t *h1 = vlib_buffer_get_current (b1);
+ t->sw_if_index = sw_if_index1;
+ t->bd_index = vnet_buffer (b1)->l2.bd_index;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ }
+ }
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
- l2fib_entry_key_t key0;
- l2fib_entry_result_t result0;
- u32 bucket0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+ l2fib_entry_key_t key0;
+ l2fib_entry_result_t result0;
+ u32 bucket0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-
- /* process 1 pkt */
- em->counters[node_counter_base_index + L2FLOOD_ERROR_L2FLOOD] += 1;
-
- l2flood_process (vm, node, msm, &em->counters[node_counter_base_index],
- b0, &sw_if_index0, &key0, &bucket0, &result0, &next0);
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE) &&
- (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- l2flood_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
- ethernet_header_t * h0 = vlib_buffer_get_current (b0);
- t->sw_if_index = sw_if_index0;
- t->bd_index = vnet_buffer(b0)->l2.bd_index;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ /* process 1 pkt */
+ em->counters[node_counter_base_index + L2FLOOD_ERROR_L2FLOOD] += 1;
+
+ l2flood_process (vm, node, msm,
+ &em->counters[node_counter_base_index], b0,
+ &sw_if_index0, &key0, &bucket0, &result0, &next0);
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) &&
+ (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2flood_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ t->sw_if_index = sw_if_index0;
+ t->bd_index = vnet_buffer (b0)->l2.bd_index;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2flood_node,static) = {
.function = l2flood_node_fn,
.name = "l2-flood",
.vector_size = sizeof (u32),
.format_trace = format_l2flood_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2flood_error_strings),
.error_strings = l2flood_error_strings,
[L2FLOOD_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2flood_node, l2flood_node_fn)
-
-clib_error_t *l2flood_init (vlib_main_t *vm)
+ clib_error_t *l2flood_init (vlib_main_t * vm)
{
- l2flood_main_t * mp = &l2flood_main;
-
+ l2flood_main_t *mp = &l2flood_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2flood_node.index,
- L2INPUT_N_FEAT,
- l2input_get_feat_names(),
- mp->feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2flood_node.index,
+ L2INPUT_N_FEAT,
+ l2input_get_feat_names (),
+ mp->feat_next_node_index);
return 0;
}
-// Add the L3 input node for this ethertype to the next nodes structure
+/** Add the L3 input node for this ethertype to the next nodes structure */
void
l2flood_register_input_type (vlib_main_t * vm,
- ethernet_type_t type,
- u32 node_index)
+ ethernet_type_t type, u32 node_index)
{
- l2flood_main_t * mp = &l2flood_main;
+ l2flood_main_t *mp = &l2flood_main;
u32 next_index;
- next_index = vlib_node_add_next (vm,
- l2flood_node.index,
- node_index);
+ next_index = vlib_node_add_next (vm, l2flood_node.index, node_index);
next_by_ethertype_register (&mp->l3_next, type, next_index);
}
-// set subinterface flood enable/disable
-// The CLI format is:
-// set interface l2 flood <interface> [disable]
+/**
+ * set subinterface flood enable/disable
+ * The CLI format is:
+ * set interface l2 flood <interface> [disable]
+ */
static clib_error_t *
int_flood (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index;
u32 enable;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
- // set the interface flag
- l2input_intf_bitmap_enable(sw_if_index, L2INPUT_FEAT_FLOOD, enable);
+ /* set the interface flag */
+ l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_FLOOD, enable);
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_flood_cli, static) = {
.path = "set interface l2 flood",
.short_help = "set interface l2 flood <interface> [disable]",
.function = int_flood,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
void
l2flood_register_input_type (vlib_main_t * vm,
- ethernet_type_t type,
- u32 node_index);
+ ethernet_type_t type, u32 node_index);
#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vppinfra/sparse_vec.h>
-typedef struct {
+typedef struct
+{
- // Hash table
- BVT(clib_bihash) *mac_table;
+ /* Hash table */
+ BVT (clib_bihash) * mac_table;
- // next node index for the L3 input node of each ethertype
+ /* next node index for the L3 input node of each ethertype */
next_by_ethertype_t l3_next;
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2fwd_main_t;
-typedef struct {
- /* per-pkt trace data */
+typedef struct
+{
+ /* per-pkt trace data */
u8 src[6];
u8 dst[6];
u32 sw_if_index;
} l2fwd_trace_t;
/* packet trace format function */
-static u8 * format_l2fwd_trace (u8 * s, va_list * args)
+static u8 *
+format_l2fwd_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2fwd_trace_t * t = va_arg (*args, l2fwd_trace_t *);
-
+ l2fwd_trace_t *t = va_arg (*args, l2fwd_trace_t *);
+
s = format (s, "l2-fwd: sw_if_index %d dst %U src %U bd_index %d",
t->sw_if_index,
- format_ethernet_address, t->dst,
- format_ethernet_address, t->src,
- t->bd_index);
+ format_ethernet_address, t->dst,
+ format_ethernet_address, t->src, t->bd_index);
return s;
}
_(FILTER_DROP, "Filter Mac Drop") \
_(REFLECT_DROP, "Reflection Drop")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2FWD_ERROR_##sym,
foreach_l2fwd_error
#undef _
- L2FWD_N_ERROR,
+ L2FWD_N_ERROR,
} l2fwd_error_t;
-static char * l2fwd_error_strings[] = {
+static char *l2fwd_error_strings[] = {
#define _(sym,string) string,
foreach_l2fwd_error
#undef _
};
-typedef enum {
+typedef enum
+{
L2FWD_NEXT_L2_OUTPUT,
L2FWD_NEXT_FLOOD,
L2FWD_NEXT_DROP,
L2FWD_N_NEXT,
} l2fwd_next_t;
-// Forward one packet based on the mac table lookup result
+/** Forward one packet based on the mac table lookup result */
static_always_inline void
l2fwd_process (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- l2fwd_main_t * msm,
- vlib_error_main_t * em,
- vlib_buffer_t * b0,
- u32 sw_if_index0,
- l2fib_entry_result_t * result0,
- u32 * next0)
+ vlib_node_runtime_t * node,
+ l2fwd_main_t * msm,
+ vlib_error_main_t * em,
+ vlib_buffer_t * b0,
+ u32 sw_if_index0, l2fib_entry_result_t * result0, u32 * next0)
{
- if (PREDICT_FALSE (result0->raw == ~0)) {
- // lookup miss, so flood
- // TODO:replicate packet to each intf in bridge-domain
- // For now just drop
- if (vnet_buffer(b0)->l2.feature_bitmap & L2INPUT_FEAT_UU_FLOOD) {
- *next0 = L2FWD_NEXT_FLOOD;
- } else {
- // Flooding is disabled
- b0->error = node->errors[L2FWD_ERROR_FLOOD];
- *next0 = L2FWD_NEXT_DROP;
- }
+ if (PREDICT_FALSE (result0->raw == ~0))
+ {
+ /*
+ * lookup miss, so flood
+ * TODO:replicate packet to each intf in bridge-domain
+ * For now just drop
+ */
+ if (vnet_buffer (b0)->l2.feature_bitmap & L2INPUT_FEAT_UU_FLOOD)
+ {
+ *next0 = L2FWD_NEXT_FLOOD;
+ }
+ else
+ {
+ /* Flooding is disabled */
+ b0->error = node->errors[L2FWD_ERROR_FLOOD];
+ *next0 = L2FWD_NEXT_DROP;
+ }
- } else {
+ }
+ else
+ {
- // lookup hit, forward packet
+ /* lookup hit, forward packet */
#ifdef COUNTERS
- em->counters[node_counter_base_index + L2FWD_ERROR_HIT] += 1;
-#endif
-
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = result0->fields.sw_if_index;
- *next0 = L2FWD_NEXT_L2_OUTPUT;
-
- // perform reflection check
- if (PREDICT_FALSE (sw_if_index0 == result0->fields.sw_if_index)) {
- b0->error = node->errors[L2FWD_ERROR_REFLECT_DROP];
- *next0 = L2FWD_NEXT_DROP;
-
- // perform filter check
- } else if (PREDICT_FALSE (result0->fields.filter)) {
- b0->error = node->errors[L2FWD_ERROR_FILTER_DROP];
- *next0 = L2FWD_NEXT_DROP;
-
- // perform BVI check
- } else if (PREDICT_FALSE (result0->fields.bvi)) {
- u32 rc;
- rc = l2_to_bvi (vm,
- msm->vnet_main,
- b0,
- vnet_buffer(b0)->sw_if_index[VLIB_TX],
- &msm->l3_next,
- next0);
-
- if (PREDICT_FALSE(rc)) {
- if (rc == TO_BVI_ERR_BAD_MAC) {
- b0->error = node->errors[L2FWD_ERROR_BVI_BAD_MAC];
- *next0 = L2FWD_NEXT_DROP;
- } else if (rc == TO_BVI_ERR_ETHERTYPE) {
- b0->error = node->errors[L2FWD_ERROR_BVI_ETHERTYPE];
- *next0 = L2FWD_NEXT_DROP;
- }
- }
+ em->counters[node_counter_base_index + L2FWD_ERROR_HIT] += 1;
+#endif
+
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = result0->fields.sw_if_index;
+ *next0 = L2FWD_NEXT_L2_OUTPUT;
+
+ /* perform reflection check */
+ if (PREDICT_FALSE (sw_if_index0 == result0->fields.sw_if_index))
+ {
+ b0->error = node->errors[L2FWD_ERROR_REFLECT_DROP];
+ *next0 = L2FWD_NEXT_DROP;
+
+ /* perform filter check */
+ }
+ else if (PREDICT_FALSE (result0->fields.filter))
+ {
+ b0->error = node->errors[L2FWD_ERROR_FILTER_DROP];
+ *next0 = L2FWD_NEXT_DROP;
+
+ /* perform BVI check */
+ }
+ else if (PREDICT_FALSE (result0->fields.bvi))
+ {
+ u32 rc;
+ rc = l2_to_bvi (vm,
+ msm->vnet_main,
+ b0,
+ vnet_buffer (b0)->sw_if_index[VLIB_TX],
+ &msm->l3_next, next0);
+
+ if (PREDICT_FALSE (rc))
+ {
+ if (rc == TO_BVI_ERR_BAD_MAC)
+ {
+ b0->error = node->errors[L2FWD_ERROR_BVI_BAD_MAC];
+ *next0 = L2FWD_NEXT_DROP;
+ }
+ else if (rc == TO_BVI_ERR_ETHERTYPE)
+ {
+ b0->error = node->errors[L2FWD_ERROR_BVI_ETHERTYPE];
+ *next0 = L2FWD_NEXT_DROP;
+ }
+ }
+ }
}
- }
}
static uword
l2fwd_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2fwd_next_t next_index;
- l2fwd_main_t * msm = &l2fwd_main;
+ l2fwd_main_t *msm = &l2fwd_main;
vlib_node_t *n = vlib_get_node (vm, l2fwd_node.index);
- CLIB_UNUSED(u32 node_counter_base_index) = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
+ CLIB_UNUSED (u32 node_counter_base_index) = n->error_heap_index;
+ vlib_error_main_t *em = &vm->error_main;
l2fib_entry_key_t cached_key;
l2fib_entry_result_t cached_result;
- // Clear the one-entry cache in case mac table was updated
- cached_key.raw = ~0;
+ /* Clear the one-entry cache in case mac table was updated */
+ cached_key.raw = ~0;
cached_result.raw = ~0;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
- ethernet_header_t * h0, * h1;
- l2fib_entry_key_t key0, key1;
- l2fib_entry_result_t result0, result1;
- u32 bucket0, bucket1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+ ethernet_header_t *h0, *h1;
+ l2fib_entry_key_t key0, key1;
+ l2fib_entry_result_t result0, result1;
+ u32 bucket0, bucket1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
-
+ vlib_buffer_t *p2, *p3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
-
+
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
}
- /* speculatively enqueue b0 and b1 to the current next frame */
- /* bi is "buffer index", b is pointer to the buffer */
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
-
- /* RX interface handles */
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
- h0 = vlib_buffer_get_current (b0);
- h1 = vlib_buffer_get_current (b1);
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2fwd_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->bd_index = vnet_buffer(b0)->l2.bd_index;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2fwd_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- t->bd_index = vnet_buffer(b1)->l2.bd_index;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- }
- }
-
- /* process 2 pkts */
+
+ /* RX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+
+ h0 = vlib_buffer_get_current (b0);
+ h1 = vlib_buffer_get_current (b1);
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2fwd_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->bd_index = vnet_buffer (b0)->l2.bd_index;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2fwd_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ t->bd_index = vnet_buffer (b1)->l2.bd_index;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ }
+ }
+
+ /* process 2 pkts */
#ifdef COUNTERS
- em->counters[node_counter_base_index + L2FWD_ERROR_L2FWD] += 2;
+ em->counters[node_counter_base_index + L2FWD_ERROR_L2FWD] += 2;
#endif
- l2fib_lookup_2 (msm->mac_table, &cached_key, &cached_result,
- h0->dst_address,
- h1->dst_address,
- vnet_buffer(b0)->l2.bd_index,
- vnet_buffer(b1)->l2.bd_index,
- &key0, // not used
- &key1, // not used
- &bucket0, // not used
- &bucket1, // not used
- &result0,
- &result1);
- l2fwd_process (vm, node, msm, em, b0, sw_if_index0, &result0, &next0);
- l2fwd_process (vm, node, msm, em, b1, sw_if_index1, &result1, &next1);
-
- /* verify speculative enqueues, maybe switch current next frame */
- /* if next0==next1==next_index then nothing special needs to be done */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+ l2fib_lookup_2 (msm->mac_table, &cached_key, &cached_result, h0->dst_address, h1->dst_address, vnet_buffer (b0)->l2.bd_index, vnet_buffer (b1)->l2.bd_index, &key0, /* not used */
+ &key1, /* not used */
+ &bucket0, /* not used */
+ &bucket1, /* not used */
+ &result0, &result1);
+ l2fwd_process (vm, node, msm, em, b0, sw_if_index0, &result0,
+ &next0);
+ l2fwd_process (vm, node, msm, em, b1, sw_if_index1, &result1,
+ &next1);
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
- ethernet_header_t * h0;
- l2fib_entry_key_t key0;
- l2fib_entry_result_t result0;
- u32 bucket0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+ ethernet_header_t *h0;
+ l2fib_entry_key_t key0;
+ l2fib_entry_result_t result0;
+ u32 bucket0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-
- h0 = vlib_buffer_get_current (b0);
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- l2fwd_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->bd_index = vnet_buffer(b0)->l2.bd_index;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
-
- /* process 1 pkt */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ h0 = vlib_buffer_get_current (b0);
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2fwd_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->bd_index = vnet_buffer (b0)->l2.bd_index;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+
+ /* process 1 pkt */
#ifdef COUNTERS
- em->counters[node_counter_base_index + L2FWD_ERROR_L2FWD] += 1;
+ em->counters[node_counter_base_index + L2FWD_ERROR_L2FWD] += 1;
#endif
- l2fib_lookup_1 (msm->mac_table, &cached_key, &cached_result,
- h0->dst_address, vnet_buffer(b0)->l2.bd_index,
- &key0, // not used
- &bucket0, // not used
- &result0);
- l2fwd_process (vm, node, msm, em, b0, sw_if_index0, &result0, &next0);
-
- /* verify speculative enqueue, maybe switch current next frame */
+ l2fib_lookup_1 (msm->mac_table, &cached_key, &cached_result, h0->dst_address, vnet_buffer (b0)->l2.bd_index, &key0, /* not used */
+ &bucket0, /* not used */
+ &result0);
+ l2fwd_process (vm, node, msm, em, b0, sw_if_index0, &result0,
+ &next0);
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
return frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2fwd_node,static) = {
.function = l2fwd_node_fn,
.name = "l2-fwd",
.vector_size = sizeof (u32),
.format_trace = format_l2fwd_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2fwd_error_strings),
.error_strings = l2fwd_error_strings,
[L2FWD_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2fwd_node, l2fwd_node_fn)
-
-clib_error_t *l2fwd_init (vlib_main_t *vm)
+ clib_error_t *l2fwd_init (vlib_main_t * vm)
{
- l2fwd_main_t * mp = &l2fwd_main;
-
+ l2fwd_main_t *mp = &l2fwd_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
/* init the hash table ptr */
- mp->mac_table = get_mac_table();
+ mp->mac_table = get_mac_table ();
- // Initialize the next nodes for each ethertype
+ /* Initialize the next nodes for each ethertype */
next_by_ethertype_init (&mp->l3_next);
return 0;
VLIB_INIT_FUNCTION (l2fwd_init);
-// Add the L3 input node for this ethertype to the next nodes structure
+/** Add the L3 input node for this ethertype to the next nodes structure */
void
l2fwd_register_input_type (vlib_main_t * vm,
- ethernet_type_t type,
- u32 node_index)
+ ethernet_type_t type, u32 node_index)
{
- l2fwd_main_t * mp = &l2fwd_main;
+ l2fwd_main_t *mp = &l2fwd_main;
u32 next_index;
- next_index = vlib_node_add_next (vm,
- l2fwd_node.index,
- node_index);
+ next_index = vlib_node_add_next (vm, l2fwd_node.index, node_index);
next_by_ethertype_register (&mp->l3_next, type, next_index);
}
-// set subinterface forward enable/disable
-// The CLI format is:
-// set interface l2 forward <interface> [disable]
+/**
+ * set subinterface forward enable/disable
+ * The CLI format is:
+ * set interface l2 forward <interface> [disable]
+ */
static clib_error_t *
-int_fwd (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+int_fwd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index;
u32 enable;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
-
- // set the interface flag
- if (l2input_intf_config(sw_if_index)->xconnect) {
- l2input_intf_bitmap_enable(sw_if_index, L2INPUT_FEAT_XCONNECT, enable);
- } else {
- l2input_intf_bitmap_enable(sw_if_index, L2INPUT_FEAT_FWD, enable);
- }
-
- done:
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
+
+ /* set the interface flag */
+ if (l2input_intf_config (sw_if_index)->xconnect)
+ {
+ l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_XCONNECT, enable);
+ }
+ else
+ {
+ l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_FWD, enable);
+ }
+
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_fwd_cli, static) = {
.path = "set interface l2 forward",
.short_help = "set interface l2 forward <interface> [disable]",
.function = int_fwd,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
void
l2fwd_register_input_type (vlib_main_t * vm,
- ethernet_type_t type,
- u32 node_index);
+ ethernet_type_t type, u32 node_index);
#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vppinfra/cache.h>
-// Feature graph node names
-static char * l2input_feat_names[] = {
+/* Feature graph node names */
+static char *l2input_feat_names[] = {
#define _(sym,name) name,
foreach_l2input_feat
#undef _
};
-char **l2input_get_feat_names(void) {
+char **
+l2input_get_feat_names (void)
+{
return l2input_feat_names;
}
-typedef struct {
- /* per-pkt trace data */
+typedef struct
+{
+ /* per-pkt trace data */
u8 src[6];
u8 dst[6];
u32 next_index;
} l2input_trace_t;
/* packet trace format function */
-static u8 * format_l2input_trace (u8 * s, va_list * args)
+static u8 *
+format_l2input_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2input_trace_t * t = va_arg (*args, l2input_trace_t *);
-
+ l2input_trace_t *t = va_arg (*args, l2input_trace_t *);
+
s = format (s, "l2-input: sw_if_index %d dst %U src %U",
t->sw_if_index,
- format_ethernet_address, t->dst,
- format_ethernet_address, t->src);
+ format_ethernet_address, t->dst,
+ format_ethernet_address, t->src);
return s;
}
_(L2INPUT, "L2 input packets") \
_(DROP, "L2 input drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2INPUT_ERROR_##sym,
foreach_l2input_error
#undef _
- L2INPUT_N_ERROR,
+ L2INPUT_N_ERROR,
} l2input_error_t;
-static char * l2input_error_strings[] = {
+static char *l2input_error_strings[] = {
#define _(sym,string) string,
foreach_l2input_error
#undef _
};
-typedef enum { /* */
+typedef enum
+{ /* */
L2INPUT_NEXT_LEARN,
L2INPUT_NEXT_FWD,
L2INPUT_NEXT_DROP,
static_always_inline void
classify_and_dispatch (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- u32 cpu_index,
- l2input_main_t * msm,
- vlib_buffer_t * b0,
- u32 *next0)
+ vlib_node_runtime_t * node,
+ u32 cpu_index,
+ l2input_main_t * msm, vlib_buffer_t * b0, u32 * next0)
{
- // Load L2 input feature struct
- // Load bridge domain struct
- // Parse ethernet header to determine unicast/mcast/broadcast
- // take L2 input stat
- // classify packet as IP/UDP/TCP, control, other
- // mask feature bitmap
- // go to first node in bitmap
- // Later: optimize VTM
- //
- // For L2XC,
- // set tx sw-if-handle
-
- u8 mcast_dmac;
- __attribute__((unused)) u8 l2bcast;
- __attribute__((unused)) u8 l2mcast;
- __attribute__((unused)) u8 l2_stat_kind;
+ /*
+ * Load L2 input feature struct
+ * Load bridge domain struct
+ * Parse ethernet header to determine unicast/mcast/broadcast
+ * take L2 input stat
+ * classify packet as IP/UDP/TCP, control, other
+ * mask feature bitmap
+ * go to first node in bitmap
+ * Later: optimize VTM
+ *
+ * For L2XC,
+ * set tx sw-if-handle
+ */
+
+ u8 mcast_dmac;
+ __attribute__ ((unused)) u8 l2bcast;
+ __attribute__ ((unused)) u8 l2mcast;
+ __attribute__ ((unused)) u8 l2_stat_kind;
u16 ethertype;
u8 protocol;
l2_input_config_t *config;
u16 bd_index0;
u32 feature_bitmap;
u32 feat_mask;
- ethernet_header_t * h0;
- u8 * l3h0;
+ ethernet_header_t *h0;
+ u8 *l3h0;
u32 sw_if_index0;
#define get_u32(addr) ( *((u32 *)(addr)) )
#define STATS_IF_LAYER2_MCAST_INPUT_CNT 1
#define STATS_IF_LAYER2_BCAST_INPUT_CNT 2
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
h0 = vlib_buffer_get_current (b0);
- l3h0 = (u8 *)h0 + vnet_buffer(b0)->l2.l2_len;
-
- // Determine L3 packet type. Only need to check the common types.
- // Used to filter out features that don't apply to common packets.
- ethertype = clib_net_to_host_u16(get_u16(l3h0 - 2));
- if (ethertype == ETHERNET_TYPE_IP4) {
- protocol = ((ip4_header_t *)l3h0)->protocol;
- if ((protocol == IP_PROTOCOL_UDP) ||
- (protocol == IP_PROTOCOL_TCP)) {
- feat_mask = IP_UDP_TCP_FEAT_MASK;
- } else {
- feat_mask = IP4_FEAT_MASK;
+ l3h0 = (u8 *) h0 + vnet_buffer (b0)->l2.l2_len;
+
+ /*
+ * Determine L3 packet type. Only need to check the common types.
+ * Used to filter out features that don't apply to common packets.
+ */
+ ethertype = clib_net_to_host_u16 (get_u16 (l3h0 - 2));
+ if (ethertype == ETHERNET_TYPE_IP4)
+ {
+ protocol = ((ip4_header_t *) l3h0)->protocol;
+ if ((protocol == IP_PROTOCOL_UDP) || (protocol == IP_PROTOCOL_TCP))
+ {
+ feat_mask = IP_UDP_TCP_FEAT_MASK;
+ }
+ else
+ {
+ feat_mask = IP4_FEAT_MASK;
+ }
}
- } else if (ethertype == ETHERNET_TYPE_IP6) {
- protocol = ((ip6_header_t *)l3h0)->protocol;
- // Don't bother checking for extension headers for now
- if ((protocol == IP_PROTOCOL_UDP) ||
- (protocol == IP_PROTOCOL_TCP)) {
- feat_mask = IP_UDP_TCP_FEAT_MASK;
- } else {
+ else if (ethertype == ETHERNET_TYPE_IP6)
+ {
+ protocol = ((ip6_header_t *) l3h0)->protocol;
+ /* Don't bother checking for extension headers for now */
+ if ((protocol == IP_PROTOCOL_UDP) || (protocol == IP_PROTOCOL_TCP))
+ {
+ feat_mask = IP_UDP_TCP_FEAT_MASK;
+ }
+ else
+ {
+ feat_mask = IP6_FEAT_MASK;
+ }
+ }
+ else if (ethertype == ETHERNET_TYPE_MPLS_UNICAST)
+ {
feat_mask = IP6_FEAT_MASK;
}
- } else if (ethertype == ETHERNET_TYPE_MPLS_UNICAST) {
- feat_mask = IP6_FEAT_MASK;
- } else {
- // allow all features
- feat_mask = ~0;
- }
-
- // determine layer2 kind for stat and mask
- mcast_dmac = ethernet_address_cast(h0->dst_address);
+ else
+ {
+ /* allow all features */
+ feat_mask = ~0;
+ }
+
+ /* determine layer2 kind for stat and mask */
+ mcast_dmac = ethernet_address_cast (h0->dst_address);
l2bcast = 0;
l2mcast = 0;
l2_stat_kind = STATS_IF_LAYER2_UCAST_INPUT_CNT;
- if (PREDICT_FALSE (mcast_dmac)) {
- u32 *dsthi = (u32 *) &h0->dst_address[0];
- u32 *dstlo = (u32 *) &h0->dst_address[2];
+ if (PREDICT_FALSE (mcast_dmac))
+ {
+ u32 *dsthi = (u32 *) & h0->dst_address[0];
+ u32 *dstlo = (u32 *) & h0->dst_address[2];
- // Disable bridge forwarding (flooding will execute instead if not xconnect)
- feat_mask &= ~(L2INPUT_FEAT_FWD | L2INPUT_FEAT_UU_FLOOD);
- if (ethertype != ETHERNET_TYPE_ARP) // Disable ARP-term for non-ARP packet
+ /* Disable bridge forwarding (flooding will execute instead if not xconnect) */
+ feat_mask &= ~(L2INPUT_FEAT_FWD | L2INPUT_FEAT_UU_FLOOD);
+ if (ethertype != ETHERNET_TYPE_ARP) /* Disable ARP-term for non-ARP packet */
feat_mask &= ~(L2INPUT_FEAT_ARP_TERM);
- // dest mac is multicast or broadcast
- if ((*dstlo == 0xFFFFFFFF) && (*dsthi == 0xFFFFFFFF)) {
- // dest mac == FF:FF:FF:FF:FF:FF
- l2_stat_kind = STATS_IF_LAYER2_BCAST_INPUT_CNT;
- l2bcast=1;
- } else {
- l2_stat_kind = STATS_IF_LAYER2_MCAST_INPUT_CNT;
- l2mcast=1;
+ /* dest mac is multicast or broadcast */
+ if ((*dstlo == 0xFFFFFFFF) && (*dsthi == 0xFFFFFFFF))
+ {
+ /* dest mac == FF:FF:FF:FF:FF:FF */
+ l2_stat_kind = STATS_IF_LAYER2_BCAST_INPUT_CNT;
+ l2bcast = 1;
+ }
+ else
+ {
+ l2_stat_kind = STATS_IF_LAYER2_MCAST_INPUT_CNT;
+ l2mcast = 1;
+ }
}
- }
- // TODO: take l2 stat
-
- // Get config for the input interface
- config = vec_elt_at_index(msm->configs, sw_if_index0);
+ /* TODO: take l2 stat */
- // Save split horizon group
- vnet_buffer(b0)->l2.shg = config->shg;
+ /* Get config for the input interface */
+ config = vec_elt_at_index (msm->configs, sw_if_index0);
- if (config->xconnect) {
- // Set the output interface
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = config->output_sw_if_index;
+ /* Save split horizon group */
+ vnet_buffer (b0)->l2.shg = config->shg;
- } else {
+ if (config->xconnect)
+ {
+ /* Set the output interface */
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = config->output_sw_if_index;
- // Check for from-BVI processing, TX is non-~0 if from BVI loopback
- // Set SHG for BVI packets to 0 so it is not dropped for VXLAN tunnels
- if (PREDICT_FALSE (vnet_buffer(b0)->sw_if_index[VLIB_TX] != ~0)) {
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = ~0;
- vnet_buffer(b0)->l2.shg = 0;
}
+ else
+ {
- // Do bridge-domain processing
- bd_index0 = config->bd_index;
- // save BD ID for next feature graph nodes
- vnet_buffer(b0)->l2.bd_index = bd_index0;
-
- // Get config for the bridge domain interface
- bd_config = vec_elt_at_index(msm->bd_configs, bd_index0);
+ /*
+ * Check for from-BVI processing, TX is non-~0 if from BVI loopback
+ * Set SHG for BVI packets to 0 so it is not dropped for VXLAN tunnels
+ */
+ if (PREDICT_FALSE (vnet_buffer (b0)->sw_if_index[VLIB_TX] != ~0))
+ {
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = ~0;
+ vnet_buffer (b0)->l2.shg = 0;
+ }
- // Process bridge domain feature enables.
- // To perform learning/flooding/forwarding, the corresponding bit
- // must be enabled in both the input interface config and in the
- // bridge domain config. In the bd_bitmap, bits for features other
- // than learning/flooding/forwarding should always be set.
- feat_mask = feat_mask & bd_config->feature_bitmap;
- }
+ /* Do bridge-domain processing */
+ bd_index0 = config->bd_index;
+ /* save BD ID for next feature graph nodes */
+ vnet_buffer (b0)->l2.bd_index = bd_index0;
+
+ /* Get config for the bridge domain interface */
+ bd_config = vec_elt_at_index (msm->bd_configs, bd_index0);
+
+ /*
+ * Process bridge domain feature enables.
+ * To perform learning/flooding/forwarding, the corresponding bit
+ * must be enabled in both the input interface config and in the
+ * bridge domain config. In the bd_bitmap, bits for features other
+ * than learning/flooding/forwarding should always be set.
+ */
+ feat_mask = feat_mask & bd_config->feature_bitmap;
+ }
- // mask out features from bitmap using packet type and bd config
+ /* mask out features from bitmap using packet type and bd config */
feature_bitmap = config->feature_bitmap & feat_mask;
- // save for next feature graph nodes
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap;
+ /* save for next feature graph nodes */
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap;
- // Determine the next node
- *next0 = feat_bitmap_get_next_node_index(msm->feat_next_node_index,
- feature_bitmap);
+ /* Determine the next node */
+ *next0 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ feature_bitmap);
}
static uword
l2input_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2input_next_t next_index;
- l2input_main_t * msm = &l2input_main;
+ l2input_main_t *msm = &l2input_main;
vlib_node_t *n = vlib_get_node (vm, l2input_node.index);
u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
- u32 cpu_index = os_get_cpu_number();
+ vlib_error_main_t *em = &vm->error_main;
+ u32 cpu_index = os_get_cpu_number ();
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 6 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3, * p4 , * p5;
- u32 sw_if_index2, sw_if_index3;
-
+ vlib_buffer_t *p2, *p3, *p4, *p5;
+ u32 sw_if_index2, sw_if_index3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
p4 = vlib_get_buffer (vm, from[4]);
p5 = vlib_get_buffer (vm, from[5]);
-
- // Prefetch the buffer header and packet for the N+2 loop iteration
+
+ /* Prefetch the buffer header and packet for the N+2 loop iteration */
vlib_prefetch_buffer_header (p4, LOAD);
vlib_prefetch_buffer_header (p5, LOAD);
CLIB_PREFETCH (p4->data, CLIB_CACHE_LINE_BYTES, STORE);
CLIB_PREFETCH (p5->data, CLIB_CACHE_LINE_BYTES, STORE);
- // Prefetch the input config for the N+1 loop iteration
- // This depends on the buffer header above
- sw_if_index2 = vnet_buffer(p2)->sw_if_index[VLIB_RX];
- sw_if_index3 = vnet_buffer(p3)->sw_if_index[VLIB_RX];
- CLIB_PREFETCH (&msm->configs[sw_if_index2], CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (&msm->configs[sw_if_index3], CLIB_CACHE_LINE_BYTES, LOAD);
-
- // Don't bother prefetching the bridge-domain config (which
- // depends on the input config above). Only a small number of
- // bridge domains are expected. Plus the structure is small
- // and several fit in a cache line.
- }
-
- /* speculatively enqueue b0 and b1 to the current next frame */
- /* bi is "buffer index", b is pointer to the buffer */
+ /*
+ * Prefetch the input config for the N+1 loop iteration
+ * This depends on the buffer header above
+ */
+ sw_if_index2 = vnet_buffer (p2)->sw_if_index[VLIB_RX];
+ sw_if_index3 = vnet_buffer (p3)->sw_if_index[VLIB_RX];
+ CLIB_PREFETCH (&msm->configs[sw_if_index2], CLIB_CACHE_LINE_BYTES,
+ LOAD);
+ CLIB_PREFETCH (&msm->configs[sw_if_index3], CLIB_CACHE_LINE_BYTES,
+ LOAD);
+
+ /*
+ * Don't bother prefetching the bridge-domain config (which
+ * depends on the input config above). Only a small number of
+ * bridge domains are expected. Plus the structure is small
+ * and several fit in a cache line.
+ */
+ }
+
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE))) {
- /* RX interface handles */
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
- if (b0->flags & VLIB_BUFFER_IS_TRACED) {
- ethernet_header_t * h0 = vlib_buffer_get_current (b0);
- l2input_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED) {
- ethernet_header_t * h1 = vlib_buffer_get_current (b1);
- l2input_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- }
- }
-
- em->counters[node_counter_base_index + L2INPUT_ERROR_L2INPUT] += 2;
-
- classify_and_dispatch (vm,
- node,
- cpu_index,
- msm,
- b0,
- &next0);
-
- classify_and_dispatch (vm,
- node,
- cpu_index,
- msm,
- b1,
- &next1);
-
- /* verify speculative enqueues, maybe switch current next frame */
- /* if next0==next1==next_index then nothing special needs to be done */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ /* RX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ l2input_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ethernet_header_t *h1 = vlib_buffer_get_current (b1);
+ l2input_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ }
+ }
+
+ em->counters[node_counter_base_index + L2INPUT_ERROR_L2INPUT] += 2;
+
+ classify_and_dispatch (vm, node, cpu_index, msm, b0, &next0);
+
+ classify_and_dispatch (vm, node, cpu_index, msm, b1, &next1);
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- ethernet_header_t * h0 = vlib_buffer_get_current (b0);
- l2input_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
-
- em->counters[node_counter_base_index + L2INPUT_ERROR_L2INPUT] += 1;
-
- classify_and_dispatch (vm,
- node,
- cpu_index,
- msm,
- b0,
- &next0);
-
- /* verify speculative enqueue, maybe switch current next frame */
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ l2input_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+
+ em->counters[node_counter_base_index + L2INPUT_ERROR_L2INPUT] += 1;
+
+ classify_and_dispatch (vm, node, cpu_index, msm, b0, &next0);
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2input_node) = {
.function = l2input_node_fn,
.name = "l2-input",
.format_trace = format_l2input_trace,
.format_buffer = format_ethernet_header_with_length,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2input_error_strings),
.error_strings = l2input_error_strings,
[L2INPUT_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2input_node, l2input_node_fn)
-
-clib_error_t *l2input_init (vlib_main_t *vm)
+ clib_error_t *l2input_init (vlib_main_t * vm)
{
- l2input_main_t * mp = &l2input_main;
-
+ l2input_main_t *mp = &l2input_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Get packets RX'd from L2 interfaces
+ /* Get packets RX'd from L2 interfaces */
ethernet_register_l2_input (vm, l2input_node.index);
- // Create the config vector
- vec_validate(mp->configs, 100);
- // create 100 sw interface entries and zero them
+ /* Create the config vector */
+ vec_validate (mp->configs, 100);
+ /* create 100 sw interface entries and zero them */
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2input_node.index,
- L2INPUT_N_FEAT,
- l2input_get_feat_names(),
- mp->feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2input_node.index,
+ L2INPUT_N_FEAT,
+ l2input_get_feat_names (),
+ mp->feat_next_node_index);
return 0;
}
VLIB_INIT_FUNCTION (l2input_init);
-// Get a pointer to the config for the given interface
-l2_input_config_t * l2input_intf_config (u32 sw_if_index)
+/** Get a pointer to the config for the given interface */
+l2_input_config_t *
+l2input_intf_config (u32 sw_if_index)
{
- l2input_main_t * mp = &l2input_main;
-
- vec_validate(mp->configs, sw_if_index);
- return vec_elt_at_index(mp->configs, sw_if_index);
+ l2input_main_t *mp = &l2input_main;
+
+ vec_validate (mp->configs, sw_if_index);
+ return vec_elt_at_index (mp->configs, sw_if_index);
}
-// Enable (or disable) the feature in the bitmap for the given interface
-u32 l2input_intf_bitmap_enable (u32 sw_if_index,
- u32 feature_bitmap,
- u32 enable)
+/** Enable (or disable) the feature in the bitmap for the given interface */
+u32
+l2input_intf_bitmap_enable (u32 sw_if_index, u32 feature_bitmap, u32 enable)
{
- l2input_main_t * mp = &l2input_main;
+ l2input_main_t *mp = &l2input_main;
l2_input_config_t *config;
-
- vec_validate(mp->configs, sw_if_index);
- config = vec_elt_at_index(mp->configs, sw_if_index);
-
- if (enable) {
- config->feature_bitmap |= feature_bitmap;
- } else {
- config->feature_bitmap &= ~feature_bitmap;
- }
+
+ vec_validate (mp->configs, sw_if_index);
+ config = vec_elt_at_index (mp->configs, sw_if_index);
+
+ if (enable)
+ {
+ config->feature_bitmap |= feature_bitmap;
+ }
+ else
+ {
+ config->feature_bitmap &= ~feature_bitmap;
+ }
return config->feature_bitmap;
}
-u32 l2input_set_bridge_features(u32 bd_index,
- u32 feat_mask, u32 feat_value)
+u32
+l2input_set_bridge_features (u32 bd_index, u32 feat_mask, u32 feat_value)
{
- l2_bridge_domain_t * bd_config;
+ l2_bridge_domain_t *bd_config;
vec_validate (l2input_main.bd_configs, bd_index);
- bd_config = vec_elt_at_index(l2input_main.bd_configs, bd_index);
+ bd_config = vec_elt_at_index (l2input_main.bd_configs, bd_index);
bd_validate (bd_config);
- bd_config->feature_bitmap = (bd_config->feature_bitmap & ~feat_mask) | feat_value;
+ bd_config->feature_bitmap =
+ (bd_config->feature_bitmap & ~feat_mask) | feat_value;
return bd_config->feature_bitmap;
}
-// Set the subinterface to run in l2 or l3 mode.
-// for L3 mode, just the sw_if_index is specified
-// for bridged mode, the bd id and bvi flag are also specified
-// for xconnect mode, the peer sw_if_index is also specified
-// Return 0 if ok, or non-0 if there was an error
-
-u32 set_int_l2_mode (vlib_main_t * vm,
- vnet_main_t * vnet_main,
- u32 mode,
- u32 sw_if_index,
- u32 bd_index, // for bridged interface
- u32 bvi, // the bridged interface is the BVI
- u32 shg, // the bridged interface's split horizon group
- u32 xc_sw_if_index) // peer interface for xconnect
+/**
+ * Set the subinterface to run in l2 or l3 mode.
+ * for L3 mode, just the sw_if_index is specified
+ * for bridged mode, the bd id and bvi flag are also specified
+ * for xconnect mode, the peer sw_if_index is also specified
+ * Return 0 if ok, or non-0 if there was an error
+ */
+
+u32
+set_int_l2_mode (vlib_main_t * vm, vnet_main_t * vnet_main, u32 mode, u32 sw_if_index, u32 bd_index, /* for bridged interface */
+ u32 bvi, /* the bridged interface is the BVI */
+ u32 shg, /* the bridged interface's split horizon group */
+ u32 xc_sw_if_index) /* peer interface for xconnect */
{
- l2input_main_t * mp = &l2input_main;
- l2output_main_t * l2om = &l2output_main;
- vnet_main_t * vnm = vnet_get_main();
- vnet_hw_interface_t * hi;
- l2_output_config_t * out_config;
- l2_input_config_t * config;
- l2_bridge_domain_t * bd_config;
+ l2input_main_t *mp = &l2input_main;
+ l2output_main_t *l2om = &l2output_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_hw_interface_t *hi;
+ l2_output_config_t *out_config;
+ l2_input_config_t *config;
+ l2_bridge_domain_t *bd_config;
l2_flood_member_t member;
u64 mac;
- i32 l2_if_adjust = 0;
+ i32 l2_if_adjust = 0;
u32 slot;
hi = vnet_get_sup_hw_interface (vnet_main, sw_if_index);
- vec_validate(mp->configs, sw_if_index);
- config = vec_elt_at_index(mp->configs, sw_if_index);
-
- if (config->bridge) {
- // Interface is already in bridge mode. Undo the existing config.
- bd_config = vec_elt_at_index(mp->bd_configs, config->bd_index);
-
- // remove interface from flood vector
- bd_remove_member (bd_config, sw_if_index);
-
- // undo any BVI-related config
- if (bd_config->bvi_sw_if_index == sw_if_index) {
- bd_config->bvi_sw_if_index = ~0;
- config->bvi = 0;
-
- // delete the l2fib entry for the bvi interface
- mac = *((u64 *)hi->hw_address);
- l2fib_del_entry (mac, config->bd_index);
-
- // Make loop output node send packet back to ethernet-input node
- slot = vlib_node_add_named_next_with_slot (
- vm, hi->tx_node_index, "ethernet-input",
- VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
- ASSERT (slot == VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
- }
- l2_if_adjust--;
- } else if (config->xconnect) {
- l2_if_adjust--;
- }
+ vec_validate (mp->configs, sw_if_index);
+ config = vec_elt_at_index (mp->configs, sw_if_index);
+
+ if (config->bridge)
+ {
+ /* Interface is already in bridge mode. Undo the existing config. */
+ bd_config = vec_elt_at_index (mp->bd_configs, config->bd_index);
+
+ /* remove interface from flood vector */
+ bd_remove_member (bd_config, sw_if_index);
+
+ /* undo any BVI-related config */
+ if (bd_config->bvi_sw_if_index == sw_if_index)
+ {
+ bd_config->bvi_sw_if_index = ~0;
+ config->bvi = 0;
+
+ /* delete the l2fib entry for the bvi interface */
+ mac = *((u64 *) hi->hw_address);
+ l2fib_del_entry (mac, config->bd_index);
+
+ /* Make loop output node send packet back to ethernet-input node */
+ slot =
+ vlib_node_add_named_next_with_slot (vm, hi->tx_node_index,
+ "ethernet-input",
+ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
+ ASSERT (slot == VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
+ }
+ l2_if_adjust--;
+ }
+ else if (config->xconnect)
+ {
+ l2_if_adjust--;
+ }
+
+ /* Initialize the l2-input configuration for the interface */
+ if (mode == MODE_L3)
+ {
+ config->xconnect = 0;
+ config->bridge = 0;
+ config->shg = 0;
+ config->bd_index = 0;
+ config->feature_bitmap = L2INPUT_FEAT_DROP;
+ /*
+ * Directs the l2 output path to work out the interface
+ * output next-arc itself. Needed when recycling a sw_if_index.
+ */
+ vec_validate_init_empty (l2om->next_nodes.output_node_index_vec,
+ sw_if_index, ~0);
+ l2om->next_nodes.output_node_index_vec[sw_if_index] = ~0;
- // Initialize the l2-input configuration for the interface
- if (mode == MODE_L3) {
- config->xconnect = 0;
- config->bridge = 0;
- config->shg = 0;
- config->bd_index = 0;
- config->feature_bitmap = L2INPUT_FEAT_DROP;
- // Directs the l2 output path to work out the interface
- // output next-arc itself. Needed when recycling a sw_if_index.
- vec_validate_init_empty(l2om->next_nodes.output_node_index_vec,
- sw_if_index, ~0);
- l2om->next_nodes.output_node_index_vec[sw_if_index] = ~0;
-
- } else if (mode == MODE_L2_CLASSIFY) {
+ }
+ else if (mode == MODE_L2_CLASSIFY)
+ {
config->xconnect = 1;
config->bridge = 0;
config->output_sw_if_index = xc_sw_if_index;
- // Make sure last-chance drop is configured
+ /* Make sure last-chance drop is configured */
config->feature_bitmap |= L2INPUT_FEAT_DROP | L2INPUT_FEAT_CLASSIFY;
- // Make sure bridging features are disabled
- config->feature_bitmap &=
- ~(L2INPUT_FEAT_LEARN | L2INPUT_FEAT_FWD | L2INPUT_FEAT_FLOOD);
- shg = 0; // not used in xconnect
+ /* Make sure bridging features are disabled */
+ config->feature_bitmap &=
+ ~(L2INPUT_FEAT_LEARN | L2INPUT_FEAT_FWD | L2INPUT_FEAT_FLOOD);
+ shg = 0; /* not used in xconnect */
- // Insure all packets go to ethernet-input
+ /* Insure all packets go to ethernet-input */
ethernet_set_rx_redirect (vnet_main, hi, 1);
- } else {
-
- if (mode == MODE_L2_BRIDGE) {
- /*
- * Remove a check that the interface must be an Ethernet.
- * Specifically so we can bridge to L3 tunnel interfaces.
- * Here's the check:
- * if (hi->hw_class_index != ethernet_hw_interface_class.index)
- *
- */
- if (!hi)
- return MODE_ERROR_ETH; // non-ethernet
+ }
+ else
+ {
- config->xconnect = 0;
- config->bridge = 1;
- config->bd_index = bd_index;
-
- // Enable forwarding, flooding, learning and ARP termination by default
- // (note that ARP term is disabled on BD feature bitmap by default)
- config->feature_bitmap |= L2INPUT_FEAT_FWD | L2INPUT_FEAT_UU_FLOOD |
- L2INPUT_FEAT_FLOOD | L2INPUT_FEAT_LEARN | L2INPUT_FEAT_ARP_TERM;
-
- // Make sure last-chance drop is configured
- config->feature_bitmap |= L2INPUT_FEAT_DROP;
-
- // Make sure xconnect is disabled
- config->feature_bitmap &= ~L2INPUT_FEAT_XCONNECT;
-
- // Set up bridge domain
- vec_validate(mp->bd_configs, bd_index);
- bd_config = vec_elt_at_index(mp->bd_configs, bd_index);
- bd_validate (bd_config);
-
- // TODO: think: add l2fib entry even for non-bvi interface?
-
- // Do BVI interface initializations
- if (bvi) {
- // insure BD has no bvi interface (or replace that one with this??)
- if (bd_config->bvi_sw_if_index != ~0) {
- return MODE_ERROR_BVI_DEF; // bd already has a bvi interface
- }
- bd_config->bvi_sw_if_index = sw_if_index;
- config->bvi = 1;
-
- // create the l2fib entry for the bvi interface
- mac = *((u64 *)hi->hw_address);
- l2fib_add_entry (mac, bd_index, sw_if_index, 1, 0, 1); // static + bvi
-
- // Disable learning by default. no use since l2fib entry is static.
- config->feature_bitmap &= ~L2INPUT_FEAT_LEARN;
-
- // Make loop output node send packet to l2-input node
- slot = vlib_node_add_named_next_with_slot (
- vm, hi->tx_node_index, "l2-input",
- VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
- ASSERT (slot == VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
- }
+ if (mode == MODE_L2_BRIDGE)
+ {
+ /*
+ * Remove a check that the interface must be an Ethernet.
+ * Specifically so we can bridge to L3 tunnel interfaces.
+ * Here's the check:
+ * if (hi->hw_class_index != ethernet_hw_interface_class.index)
+ *
+ */
+ if (!hi)
+ return MODE_ERROR_ETH; /* non-ethernet */
+
+ config->xconnect = 0;
+ config->bridge = 1;
+ config->bd_index = bd_index;
+
+ /*
+ * Enable forwarding, flooding, learning and ARP termination by default
+ * (note that ARP term is disabled on BD feature bitmap by default)
+ */
+ config->feature_bitmap |= L2INPUT_FEAT_FWD | L2INPUT_FEAT_UU_FLOOD |
+ L2INPUT_FEAT_FLOOD | L2INPUT_FEAT_LEARN | L2INPUT_FEAT_ARP_TERM;
+
+ /* Make sure last-chance drop is configured */
+ config->feature_bitmap |= L2INPUT_FEAT_DROP;
+
+ /* Make sure xconnect is disabled */
+ config->feature_bitmap &= ~L2INPUT_FEAT_XCONNECT;
+
+ /* Set up bridge domain */
+ vec_validate (mp->bd_configs, bd_index);
+ bd_config = vec_elt_at_index (mp->bd_configs, bd_index);
+ bd_validate (bd_config);
+
+ /* TODO: think: add l2fib entry even for non-bvi interface? */
+
+ /* Do BVI interface initializations */
+ if (bvi)
+ {
+ /* ensure BD has no bvi interface (or replace that one with this??) */
+ if (bd_config->bvi_sw_if_index != ~0)
+ {
+ return MODE_ERROR_BVI_DEF; /* bd already has a bvi interface */
+ }
+ bd_config->bvi_sw_if_index = sw_if_index;
+ config->bvi = 1;
+
+ /* create the l2fib entry for the bvi interface */
+ mac = *((u64 *) hi->hw_address);
+ l2fib_add_entry (mac, bd_index, sw_if_index, 1, 0, 1); /* static + bvi */
+
+ /* Disable learning by default. no use since l2fib entry is static. */
+ config->feature_bitmap &= ~L2INPUT_FEAT_LEARN;
+
+ /* Make loop output node send packet to l2-input node */
+ slot =
+ vlib_node_add_named_next_with_slot (vm, hi->tx_node_index,
+ "l2-input",
+ VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
+ ASSERT (slot == VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT);
+ }
+
+ /* Add interface to bridge-domain flood vector */
+ member.sw_if_index = sw_if_index;
+ member.flags = bvi ? L2_FLOOD_MEMBER_BVI : L2_FLOOD_MEMBER_NORMAL;
+ member.shg = shg;
+ bd_add_member (bd_config, &member);
- // Add interface to bridge-domain flood vector
- member.sw_if_index = sw_if_index;
- member.flags = bvi ? L2_FLOOD_MEMBER_BVI : L2_FLOOD_MEMBER_NORMAL;
- member.shg = shg;
- bd_add_member (bd_config, &member);
-
- } else {
- config->xconnect = 1;
- config->bridge = 0;
- config->output_sw_if_index = xc_sw_if_index;
+ }
+ else
+ {
+ config->xconnect = 1;
+ config->bridge = 0;
+ config->output_sw_if_index = xc_sw_if_index;
- // Make sure last-chance drop is configured
- config->feature_bitmap |= L2INPUT_FEAT_DROP;
+ /* Make sure last-chance drop is configured */
+ config->feature_bitmap |= L2INPUT_FEAT_DROP;
- // Make sure bridging features are disabled
- config->feature_bitmap &= ~(L2INPUT_FEAT_LEARN | L2INPUT_FEAT_FWD | L2INPUT_FEAT_FLOOD);
+ /* Make sure bridging features are disabled */
+ config->feature_bitmap &=
+ ~(L2INPUT_FEAT_LEARN | L2INPUT_FEAT_FWD | L2INPUT_FEAT_FLOOD);
- config->feature_bitmap |= L2INPUT_FEAT_XCONNECT;
- shg = 0; // not used in xconnect
- }
+ config->feature_bitmap |= L2INPUT_FEAT_XCONNECT;
+ shg = 0; /* not used in xconnect */
+ }
- // set up split-horizon group
- config->shg = shg;
- out_config = l2output_intf_config (sw_if_index);
- out_config->shg = shg;
+ /* set up split-horizon group */
+ config->shg = shg;
+ out_config = l2output_intf_config (sw_if_index);
+ out_config->shg = shg;
- // Test: remove this when non-IP features can be configured.
- // Enable a non-IP feature to test IP feature masking
- // config->feature_bitmap |= L2INPUT_FEAT_CTRL_PKT;
+ /*
+ * Test: remove this when non-IP features can be configured.
+ * Enable a non-IP feature to test IP feature masking
+ * config->feature_bitmap |= L2INPUT_FEAT_CTRL_PKT;
+ */
- l2_if_adjust++;
- }
+ l2_if_adjust++;
+ }
- // Adjust count of L2 interfaces
+ /* Adjust count of L2 interfaces */
hi->l2_if_count += l2_if_adjust;
- if (hi->hw_class_index == ethernet_hw_interface_class.index) {
- if ((hi->l2_if_count == 1) && (l2_if_adjust == 1)) {
- // Just added first L2 interface on this port
+ if (hi->hw_class_index == ethernet_hw_interface_class.index)
+ {
+ if ((hi->l2_if_count == 1) && (l2_if_adjust == 1))
+ {
+ /* Just added first L2 interface on this port */
- // Set promiscuous mode on the l2 interface
- ethernet_set_flags (vnet_main, hi->hw_if_index,
- ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
+ /* Set promiscuous mode on the l2 interface */
+ ethernet_set_flags (vnet_main, hi->hw_if_index,
+ ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
- // Insure all packets go to ethernet-input
- ethernet_set_rx_redirect (vnet_main, hi, 1);
+ /* ensure all packets go to ethernet-input */
+ ethernet_set_rx_redirect (vnet_main, hi, 1);
- } else if ((hi->l2_if_count == 0) && (l2_if_adjust == -1)) {
- // Just removed only L2 subinterface on this port
+ }
+ else if ((hi->l2_if_count == 0) && (l2_if_adjust == -1))
+ {
+ /* Just removed only L2 subinterface on this port */
- // Disable promiscuous mode on the l2 interface
- ethernet_set_flags (vnet_main, hi->hw_if_index, 0);
+ /* Disable promiscuous mode on the l2 interface */
+ ethernet_set_flags (vnet_main, hi->hw_if_index, 0);
- // Allow ip packets to go directly to ip4-input etc
- ethernet_set_rx_redirect (vnet_main, hi, 0);
+ /* Allow ip packets to go directly to ip4-input etc */
+ ethernet_set_rx_redirect (vnet_main, hi, 0);
+ }
}
- }
- // Set up the L2/L3 flag in the interface parsing tables
- ethernet_sw_interface_set_l2_mode(vnm, sw_if_index, (mode!=MODE_L3));
+ /* Set up the L2/L3 flag in the interface parsing tables */
+ ethernet_sw_interface_set_l2_mode (vnm, sw_if_index, (mode != MODE_L3));
return 0;
}
-// set subinterface in bridging mode with a bridge-domain ID
-// The CLI format is:
-// set interface l2 bridge <interface> <bd> [bvi] [split-horizon-group]
+/**
+ * set subinterface in bridging mode with a bridge-domain ID
+ * The CLI format is:
+ * set interface l2 bridge <interface> <bd> [bvi] [split-horizon-group]
+ */
static clib_error_t *
-int_l2_bridge (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+int_l2_bridge (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 bd_index, bd_id;
u32 sw_if_index;
u32 bvi;
u32 rc;
u32 shg;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
- if (!unformat (input, "%d", &bd_id)) {
+ if (!unformat (input, "%d", &bd_id))
+ {
error = clib_error_return (0, "expected bridge domain ID `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
- }
+ }
bd_index = bd_find_or_add_bd_index (&bd_main, bd_id);
- // optional bvi
+ /* optional bvi */
bvi = unformat (input, "bvi");
- // optional split horizon group
+ /* optional split horizon group */
shg = 0;
(void) unformat (input, "%d", &shg);
- // set the interface mode
- if ((rc = set_int_l2_mode(vm, vnm, MODE_L2_BRIDGE, sw_if_index, bd_index, bvi, shg, 0))) {
- if (rc == MODE_ERROR_ETH) {
- error = clib_error_return (0, "bridged interface must be ethernet",
- format_unformat_error, input);
- } else if (rc == MODE_ERROR_BVI_DEF) {
- error = clib_error_return (0, "bridge-domain already has a bvi interface",
- format_unformat_error, input);
- } else {
- error = clib_error_return (0, "invalid configuration for interface",
- format_unformat_error, input);
+ /* set the interface mode */
+ if ((rc =
+ set_int_l2_mode (vm, vnm, MODE_L2_BRIDGE, sw_if_index, bd_index, bvi,
+ shg, 0)))
+ {
+ if (rc == MODE_ERROR_ETH)
+ {
+ error = clib_error_return (0, "bridged interface must be ethernet",
+ format_unformat_error, input);
+ }
+ else if (rc == MODE_ERROR_BVI_DEF)
+ {
+ error =
+ clib_error_return (0, "bridge-domain already has a bvi interface",
+ format_unformat_error, input);
+ }
+ else
+ {
+ error = clib_error_return (0, "invalid configuration for interface",
+ format_unformat_error, input);
+ }
+ goto done;
}
- goto done;
- }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_l2_bridge_cli, static) = {
.path = "set interface l2 bridge",
.short_help = "set interface to L2 bridging mode in <bridge-domain ID> [bvi] [shg]",
.function = int_l2_bridge,
};
+/* *INDENT-ON* */
-// set subinterface in xconnect mode with another interface
-// The CLI format is:
-// set interface l2 xconnect <interface> <peer interface>
+/**
+ * set subinterface in xconnect mode with another interface
+ * The CLI format is:
+ * set interface l2 xconnect <interface> <peer interface>
+ */
static clib_error_t *
int_l2_xc (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index;
u32 xc_sw_if_index;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &xc_sw_if_index))
+ if (!unformat_user
+ (input, unformat_vnet_sw_interface, vnm, &xc_sw_if_index))
{
error = clib_error_return (0, "unknown peer interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
- // set the interface mode
- if (set_int_l2_mode(vm, vnm, MODE_L2_XC, sw_if_index, 0, 0, 0, xc_sw_if_index)) {
+ /* set the interface mode */
+ if (set_int_l2_mode
+ (vm, vnm, MODE_L2_XC, sw_if_index, 0, 0, 0, xc_sw_if_index))
+ {
error = clib_error_return (0, "invalid configuration for interface",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
- }
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_l2_xc_cli, static) = {
.path = "set interface l2 xconnect",
.short_help = "set interface to L2 cross-connect mode with <peer interface>",
.function = int_l2_xc,
};
+/* *INDENT-ON* */
-// set subinterface in L3 mode
-// The CLI format is:
-// set interface l3 <interface>
+/**
+ * set subinterface in L3 mode
+ * The CLI format is:
+ * set interface l3 <interface>
+ */
static clib_error_t *
-int_l3 (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+int_l3 (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
- // set the interface mode
- if (set_int_l2_mode(vm, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0)) {
+ /* set the interface mode */
+ if (set_int_l2_mode (vm, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0))
+ {
error = clib_error_return (0, "invalid configuration for interface",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
- }
+ }
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_l3_cli, static) = {
.path = "set interface l3",
.short_help = "set interface to L3 mode",
.function = int_l3,
};
+/* *INDENT-ON* */
-// The CLI format is:
-// show mode [<if-name1> <if-name2> ...]
+/**
+ * The CLI format is:
+ * show mode [<if-name1> <if-name2> ...]
+ */
static clib_error_t *
-show_int_mode (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+show_int_mode (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
- char * mode;
- u8 * args;
- vnet_interface_main_t * im = &vnm->interface_main;
- vnet_sw_interface_t * si, * sis = 0;
- l2input_main_t * mp = &l2input_main;
- l2_input_config_t * config;
-
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
+ char *mode;
+ u8 *args;
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vnet_sw_interface_t *si, *sis = 0;
+ l2input_main_t *mp = &l2input_main;
+ l2_input_config_t *config;
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- u32 sw_if_index;
+ u32 sw_if_index;
/* See if user wants to show specific interface */
- if (unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (unformat
+ (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
{
- si = pool_elt_at_index (im->sw_interfaces, sw_if_index);
+ si = pool_elt_at_index (im->sw_interfaces, sw_if_index);
vec_add1 (sis, si[0]);
}
else
- {
+ {
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
goto done;
- }
+ }
}
- if (vec_len (sis) == 0) /* Get all interfaces */
+ if (vec_len (sis) == 0) /* Get all interfaces */
{
/* Gather interfaces. */
sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
_vec_len (sis) = 0;
+ /* *INDENT-OFF* */
pool_foreach (si, im->sw_interfaces, ({ vec_add1 (sis, si[0]); }));
+ /* *INDENT-ON* */
}
-
+
vec_foreach (si, sis)
- {
- vec_validate(mp->configs, si->sw_if_index);
- config = vec_elt_at_index(mp->configs, si->sw_if_index);
- if (config->bridge) {
- u32 bd_id;
- mode = "l2 bridge";
- bd_id = l2input_main.bd_configs[config->bd_index].bd_id;
-
- args = format (0, "bd_id %d%s%d", bd_id,
- config->bvi ? " bvi shg " : " shg ", config->shg);
- } else if (config->xconnect) {
- mode = "l2 xconnect";
- args = format (0, "%U",
- format_vnet_sw_if_index_name,
- vnm, config->output_sw_if_index);
- } else {
+ {
+ vec_validate (mp->configs, si->sw_if_index);
+ config = vec_elt_at_index (mp->configs, si->sw_if_index);
+ if (config->bridge)
+ {
+ u32 bd_id;
+ mode = "l2 bridge";
+ bd_id = l2input_main.bd_configs[config->bd_index].bd_id;
+
+ args = format (0, "bd_id %d%s%d", bd_id,
+ config->bvi ? " bvi shg " : " shg ", config->shg);
+ }
+ else if (config->xconnect)
+ {
+ mode = "l2 xconnect";
+ args = format (0, "%U",
+ format_vnet_sw_if_index_name,
+ vnm, config->output_sw_if_index);
+ }
+ else
+ {
mode = "l3";
- args = format (0, " ");
+ args = format (0, " ");
}
- vlib_cli_output (vm, "%s %U %v\n",
- mode,
- format_vnet_sw_if_index_name,
- vnm, si->sw_if_index,
- args);
- vec_free (args);
+ vlib_cli_output (vm, "%s %U %v\n",
+ mode,
+ format_vnet_sw_if_index_name,
+ vnm, si->sw_if_index, args);
+ vec_free (args);
}
done:
vec_free (sis);
-
+
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_l2_mode, static) = {
.path = "show mode",
.short_help = "show mode [<if-name1> <if-name2> ...]",
.function = show_int_mode,
};
+/* *INDENT-ON* */
#define foreach_l2_init_function \
_(feat_bitmap_drop_init) \
_(l2_patch_init) \
_(l2_xcrw_init)
-clib_error_t *l2_init (vlib_main_t * vm)
+clib_error_t *
+l2_init (vlib_main_t * vm)
{
- clib_error_t * error;
-
+ clib_error_t *error;
+
#define _(a) do { \
if ((error = vlib_call_init_function (vm, a))) return error; } \
while (0);
}
VLIB_INIT_FUNCTION (l2_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/ethernet/packet.h>
#include <vnet/ip/ip.h>
-// Per-subinterface L2 feature configuration
+/* Per-subinterface L2 feature configuration */
-typedef struct {
+typedef struct
+{
- union {
- u16 bd_index; // bridge domain id
- u32 output_sw_if_index; // for xconnect
+ union
+ {
+ u16 bd_index; /* bridge domain id */
+ u32 output_sw_if_index; /* for xconnect */
};
- // Interface mode. If both are 0, this interface is in L3 mode
- u8 xconnect;
- u8 bridge;
+ /* Interface mode. If both are 0, this interface is in L3 mode */
+ u8 xconnect;
+ u8 bridge;
- // this is the bvi interface for the bridge-domain
- u8 bvi;
+ /* this is the bvi interface for the bridge-domain */
+ u8 bvi;
- // config for which input features are configured on this interface
+ /* config for which input features are configured on this interface */
u32 feature_bitmap;
- // some of these flags are also in the feature bitmap
- u8 learn_enable;
- u8 fwd_enable;
- u8 flood_enable;
+ /* some of these flags are also in the feature bitmap */
+ u8 learn_enable;
+ u8 fwd_enable;
+ u8 flood_enable;
- // split horizon group
- u8 shg;
+ /* split horizon group */
+ u8 shg;
} l2_input_config_t;
-typedef struct {
+typedef struct
+{
- // Next nodes for the feature bitmap
+ /* Next nodes for the feature bitmap */
u32 feat_next_node_index[32];
/* config vector indexed by sw_if_index */
l2_bridge_domain_t *bd_configs;
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2input_main_t;
extern l2input_main_t l2input_main;
extern vlib_node_registration_t l2input_node;
-static_always_inline l2_bridge_domain_t *
+static_always_inline l2_bridge_domain_t *
l2input_bd_config_from_index (l2input_main_t * l2im, u32 bd_index)
{
- l2_bridge_domain_t * bd_config;
+ l2_bridge_domain_t *bd_config;
- bd_config = vec_elt_at_index (l2im->bd_configs, bd_index);
- return bd_is_valid (bd_config) ? bd_config : NULL;
+ bd_config = vec_elt_at_index (l2im->bd_configs, bd_index);
+ return bd_is_valid (bd_config) ? bd_config : NULL;
}
-// L2 input features
+/* L2 input features */
-// Mappings from feature ID to graph node name
-#define foreach_l2input_feat \
+/* Mappings from feature ID to graph node name */
+#define foreach_l2input_feat \
_(DROP, "feature-bitmap-drop") \
_(CLASSIFY, "l2-classify") \
_(XCONNECT, "l2-output") \
_(SPAN, "feature-bitmap-drop") \
_(POLICER_CLAS, "l2-policer-classify")
-// Feature bitmap positions
-typedef enum {
+/* Feature bitmap positions */
+typedef enum
+{
#define _(sym,str) L2INPUT_FEAT_##sym##_BIT,
foreach_l2input_feat
#undef _
- L2INPUT_N_FEAT,
+ L2INPUT_N_FEAT,
} l2input_feat_t;
-// Feature bit masks
-typedef enum {
+/* Feature bit masks */
+typedef enum
+{
#define _(sym,str) L2INPUT_FEAT_##sym = (1<<L2INPUT_FEAT_##sym##_BIT),
foreach_l2input_feat
#undef _
} l2input_feat_masks_t;
-
-// Return an array of strings containing graph node names of each feature
-char **l2input_get_feat_names(void);
+
+/** Return an array of strings containing graph node names of each feature */
+char **l2input_get_feat_names (void);
-static_always_inline u8 bd_feature_flood (l2_bridge_domain_t * bd_config)
+static_always_inline u8
+bd_feature_flood (l2_bridge_domain_t * bd_config)
{
- return ((bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD) ==
- L2INPUT_FEAT_FLOOD);
+ return ((bd_config->feature_bitmap & L2INPUT_FEAT_FLOOD) ==
+ L2INPUT_FEAT_FLOOD);
}
-static_always_inline u8 bd_feature_uu_flood (l2_bridge_domain_t * bd_config)
+static_always_inline u8
+bd_feature_uu_flood (l2_bridge_domain_t * bd_config)
{
- return ((bd_config->feature_bitmap & L2INPUT_FEAT_UU_FLOOD) ==
- L2INPUT_FEAT_UU_FLOOD);
+ return ((bd_config->feature_bitmap & L2INPUT_FEAT_UU_FLOOD) ==
+ L2INPUT_FEAT_UU_FLOOD);
}
-static_always_inline u8 bd_feature_forward (l2_bridge_domain_t * bd_config)
+static_always_inline u8
+bd_feature_forward (l2_bridge_domain_t * bd_config)
{
- return ((bd_config->feature_bitmap & L2INPUT_FEAT_FWD) ==
- L2INPUT_FEAT_FWD);
+ return ((bd_config->feature_bitmap & L2INPUT_FEAT_FWD) == L2INPUT_FEAT_FWD);
}
-static_always_inline u8 bd_feature_learn (l2_bridge_domain_t * bd_config)
+static_always_inline u8
+bd_feature_learn (l2_bridge_domain_t * bd_config)
{
- return ((bd_config->feature_bitmap & L2INPUT_FEAT_LEARN) ==
- L2INPUT_FEAT_LEARN);
+ return ((bd_config->feature_bitmap & L2INPUT_FEAT_LEARN) ==
+ L2INPUT_FEAT_LEARN);
}
-static_always_inline u8 bd_feature_arp_term (l2_bridge_domain_t * bd_config)
+static_always_inline u8
+bd_feature_arp_term (l2_bridge_domain_t * bd_config)
{
- return ((bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM) ==
- L2INPUT_FEAT_ARP_TERM);
+ return ((bd_config->feature_bitmap & L2INPUT_FEAT_ARP_TERM) ==
+ L2INPUT_FEAT_ARP_TERM);
}
-// Masks for eliminating features that do not apply to a packet
+/** Masks for eliminating features that do not apply to a packet */
#define IP4_FEAT_MASK ~(L2INPUT_FEAT_CTRL_PKT | \
L2INPUT_FEAT_MLD_SNOOP | \
L2INPUT_FEAT_DAI)
-// Get a pointer to the config for the given interface
-l2_input_config_t * l2input_intf_config (u32 sw_if_index);
+/** Get a pointer to the config for the given interface */
+l2_input_config_t *l2input_intf_config (u32 sw_if_index);
-// Enable (or disable) the feature in the bitmap for the given interface
+/* Enable (or disable) the feature in the bitmap for the given interface */
u32 l2input_intf_bitmap_enable (u32 sw_if_index,
- u32 feature_bitmap,
- u32 enable);
+ u32 feature_bitmap, u32 enable);
-//Sets modifies flags from a bridge domain
-u32 l2input_set_bridge_features(u32 bd_index,
- u32 feat_mask,
- u32 feat_value);
+/* Sets modifies flags from a bridge domain */
+u32 l2input_set_bridge_features (u32 bd_index, u32 feat_mask, u32 feat_value);
#define MODE_L3 0
#define MODE_ERROR_BVI_DEF 2
u32 set_int_l2_mode (vlib_main_t * vm,
- vnet_main_t * vnet_main,
- u32 mode,
- u32 sw_if_index,
- u32 bd_index,
- u32 bvi,
- u32 shg,
- u32 xc_sw_if_index);
+ vnet_main_t * vnet_main,
+ u32 mode,
+ u32 sw_if_index,
+ u32 bd_index, u32 bvi, u32 shg, u32 xc_sw_if_index);
static inline void
vnet_update_l2_len (vlib_buffer_t * b)
{
- ethernet_header_t * eth;
+ ethernet_header_t *eth;
u16 ethertype;
u8 vlan_count = 0;
/* point at currrent l2 hdr */
eth = vlib_buffer_get_current (b);
- /*
+ /*
* l2-output pays no attention to this
* but the tag push/pop code on an l2 subif needs it.
- *
- * Determine l2 header len, check for up to 2 vlans
+ *
+ * Determine l2 header len, check for up to 2 vlans
*/
- vnet_buffer(b)->l2.l2_len = sizeof(ethernet_header_t);
- ethertype = clib_net_to_host_u16(eth->type);
+ vnet_buffer (b)->l2.l2_len = sizeof (ethernet_header_t);
+ ethertype = clib_net_to_host_u16 (eth->type);
if ((ethertype == ETHERNET_TYPE_VLAN) ||
(ethertype == ETHERNET_TYPE_DOT1AD) ||
(ethertype == ETHERNET_TYPE_VLAN_9100) ||
- (ethertype == ETHERNET_TYPE_VLAN_9200)) {
- ethernet_vlan_header_t * vlan;
- vnet_buffer(b)->l2.l2_len += sizeof (*vlan);
- vlan_count = 1;
- vlan = (void *) (eth+1);
- ethertype = clib_net_to_host_u16 (vlan->type);
- if (ethertype == ETHERNET_TYPE_VLAN) {
- vnet_buffer(b)->l2.l2_len += sizeof (*vlan);
- vlan_count = 2;
+ (ethertype == ETHERNET_TYPE_VLAN_9200))
+ {
+ ethernet_vlan_header_t *vlan;
+ vnet_buffer (b)->l2.l2_len += sizeof (*vlan);
+ vlan_count = 1;
+ vlan = (void *) (eth + 1);
+ ethertype = clib_net_to_host_u16 (vlan->type);
+ if (ethertype == ETHERNET_TYPE_VLAN)
+ {
+ vnet_buffer (b)->l2.l2_len += sizeof (*vlan);
+ vlan_count = 2;
+ }
}
- }
- ethernet_buffer_set_vlan_count(b, vlan_count);
+ ethernet_buffer_set_vlan_count (b, vlan_count);
}
/*
- * Compute flow hash of an ethernet packet, use 5-tuple hash if L3 packet
- * is ip4 or ip6. Otherwise hash on smac/dmac/etype.
- * The vlib buffer current pointer is expected to be at ethernet header
+ * Compute flow hash of an ethernet packet, use 5-tuple hash if L3 packet
+ * is ip4 or ip6. Otherwise hash on smac/dmac/etype.
+ * The vlib buffer current pointer is expected to be at ethernet header
* and vnet l2.l2_len is exppected to be setup already.
*/
-static inline u32 vnet_l2_compute_flow_hash (vlib_buffer_t *b)
+static inline u32
+vnet_l2_compute_flow_hash (vlib_buffer_t * b)
{
- ethernet_header_t * eh = vlib_buffer_get_current(b);
- u8 * l3h = (u8 *)eh + vnet_buffer(b)->l2.l2_len;
- u16 ethertype = clib_net_to_host_u16(*(u16 *)(l3h - 2));
-
- if (ethertype == ETHERNET_TYPE_IP4)
- return ip4_compute_flow_hash((ip4_header_t *) l3h, IP_FLOW_HASH_DEFAULT);
- else if (ethertype == ETHERNET_TYPE_IP6)
- return ip6_compute_flow_hash((ip6_header_t *) l3h, IP_FLOW_HASH_DEFAULT);
+ ethernet_header_t *eh = vlib_buffer_get_current (b);
+ u8 *l3h = (u8 *) eh + vnet_buffer (b)->l2.l2_len;
+ u16 ethertype = clib_net_to_host_u16 (*(u16 *) (l3h - 2));
+
+ if (ethertype == ETHERNET_TYPE_IP4)
+ return ip4_compute_flow_hash ((ip4_header_t *) l3h, IP_FLOW_HASH_DEFAULT);
+ else if (ethertype == ETHERNET_TYPE_IP6)
+ return ip6_compute_flow_hash ((ip6_header_t *) l3h, IP_FLOW_HASH_DEFAULT);
else
{
u32 a, b, c;
- u32 * ap = (u32 *) &eh->dst_address[2];
- u32 * bp = (u32 *) &eh->src_address[2];
- a = * ap;
- b = * bp;
+ u32 *ap = (u32 *) & eh->dst_address[2];
+ u32 *bp = (u32 *) & eh->src_address[2];
+ a = *ap;
+ b = *bp;
c = ethertype;
hash_v3_mix32 (a, b, c);
hash_v3_finalize32 (a, b, c);
#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/classify/vnet_classify.h>
#include <vnet/classify/input_acl.h>
-typedef struct {
+typedef struct
+{
- // Next nodes for each feature
+ /* Next nodes for each feature */
u32 feat_next_node_index[32];
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2_inacl_main_t;
-typedef struct {
+typedef struct
+{
u32 sw_if_index;
u32 next_index;
u32 table_index;
} l2_inacl_trace_t;
/* packet trace format function */
-static u8 * format_l2_inacl_trace (u8 * s, va_list * args)
+static u8 *
+format_l2_inacl_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2_inacl_trace_t * t = va_arg (*args, l2_inacl_trace_t *);
-
+ l2_inacl_trace_t *t = va_arg (*args, l2_inacl_trace_t *);
+
s = format (s, "INACL: sw_if_index %d, next_index %d, table %d, offset %d",
t->sw_if_index, t->next_index, t->table_index, t->offset);
return s;
_(SESSION_DENY, "input ACL session deny drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2_INACL_ERROR_##sym,
foreach_l2_inacl_error
#undef _
- L2_INACL_N_ERROR,
+ L2_INACL_N_ERROR,
} l2_inacl_error_t;
-static char * l2_inacl_error_strings[] = {
+static char *l2_inacl_error_strings[] = {
#define _(sym,string) string,
foreach_l2_inacl_error
#undef _
static uword
l2_inacl_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
acl_next_index_t next_index;
- l2_inacl_main_t * msm = &l2_inacl_main;
- input_acl_main_t * am = &input_acl_main;
- vnet_classify_main_t * vcm = am->vnet_classify_main;
+ l2_inacl_main_t *msm = &l2_inacl_main;
+ input_acl_main_t *am = &input_acl_main;
+ vnet_classify_main_t *vcm = am->vnet_classify_main;
input_acl_table_id_t tid = INPUT_ACL_TABLE_L2;
f64 now = vlib_time_now (vm);
u32 hits = 0;
u32 chain_hits = 0;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
/* First pass: compute hashes */
while (n_left_from > 2)
{
- vlib_buffer_t * b0, * b1;
+ vlib_buffer_t *b0, *b1;
u32 bi0, bi1;
- u8 * h0, * h1;
+ u8 *h0, *h1;
u32 sw_if_index0, sw_if_index1;
u32 table_index0, table_index1;
- vnet_classify_table_t * t0, * t1;
+ vnet_classify_table_t *t0, *t1;
/* prefetch next iteration */
{
- vlib_buffer_t * p1, * p2;
+ vlib_buffer_t *p1, *p2;
- p1 = vlib_get_buffer (vm, from[1]);
- p2 = vlib_get_buffer (vm, from[2]);
+ p1 = vlib_get_buffer (vm, from[1]);
+ p2 = vlib_get_buffer (vm, from[2]);
- vlib_prefetch_buffer_header (p1, STORE);
- CLIB_PREFETCH (p1->data, CLIB_CACHE_LINE_BYTES, STORE);
- vlib_prefetch_buffer_header (p2, STORE);
- CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
+ vlib_prefetch_buffer_header (p1, STORE);
+ CLIB_PREFETCH (p1->data, CLIB_CACHE_LINE_BYTES, STORE);
+ vlib_prefetch_buffer_header (p2, STORE);
+ CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
}
bi0 = from[0];
h1 = b1->data;
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- table_index0 = am->classify_table_index_by_sw_if_index[tid][sw_if_index0];
+ table_index0 =
+ am->classify_table_index_by_sw_if_index[tid][sw_if_index0];
sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
- table_index1 = am->classify_table_index_by_sw_if_index[tid][sw_if_index1];
+ table_index1 =
+ am->classify_table_index_by_sw_if_index[tid][sw_if_index1];
t0 = pool_elt_at_index (vcm->tables, table_index0);
t1 = pool_elt_at_index (vcm->tables, table_index1);
- vnet_buffer(b0)->l2_classify.hash =
- vnet_classify_hash_packet (t0, (u8 *) h0);
+ vnet_buffer (b0)->l2_classify.hash =
+ vnet_classify_hash_packet (t0, (u8 *) h0);
- vnet_classify_prefetch_bucket (t0, vnet_buffer(b0)->l2_classify.hash);
+ vnet_classify_prefetch_bucket (t0, vnet_buffer (b0)->l2_classify.hash);
- vnet_buffer(b1)->l2_classify.hash =
- vnet_classify_hash_packet (t1, (u8 *) h1);
+ vnet_buffer (b1)->l2_classify.hash =
+ vnet_classify_hash_packet (t1, (u8 *) h1);
- vnet_classify_prefetch_bucket (t1, vnet_buffer(b1)->l2_classify.hash);
+ vnet_classify_prefetch_bucket (t1, vnet_buffer (b1)->l2_classify.hash);
- vnet_buffer(b0)->l2_classify.table_index = table_index0;
+ vnet_buffer (b0)->l2_classify.table_index = table_index0;
- vnet_buffer(b1)->l2_classify.table_index = table_index1;
+ vnet_buffer (b1)->l2_classify.table_index = table_index1;
from += 2;
n_left_from -= 2;
while (n_left_from > 0)
{
- vlib_buffer_t * b0;
+ vlib_buffer_t *b0;
u32 bi0;
- u8 * h0;
+ u8 *h0;
u32 sw_if_index0;
u32 table_index0;
- vnet_classify_table_t * t0;
+ vnet_classify_table_t *t0;
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
h0 = b0->data;
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- table_index0 = am->classify_table_index_by_sw_if_index[tid][sw_if_index0];
+ table_index0 =
+ am->classify_table_index_by_sw_if_index[tid][sw_if_index0];
t0 = pool_elt_at_index (vcm->tables, table_index0);
- vnet_buffer(b0)->l2_classify.hash =
- vnet_classify_hash_packet (t0, (u8 *) h0);
+ vnet_buffer (b0)->l2_classify.hash =
+ vnet_classify_hash_packet (t0, (u8 *) h0);
- vnet_buffer(b0)->l2_classify.table_index = table_index0;
- vnet_classify_prefetch_bucket (t0, vnet_buffer(b0)->l2_classify.hash);
+ vnet_buffer (b0)->l2_classify.table_index = table_index0;
+ vnet_classify_prefetch_bucket (t0, vnet_buffer (b0)->l2_classify.hash);
from++;
n_left_from--;
{
u32 n_left_to_next;
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
/* Not enough load/store slots to dual loop... */
while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0 = ACL_NEXT_INDEX_DENY;
- u32 table_index0;
- vnet_classify_table_t * t0;
- vnet_classify_entry_t * e0;
- u64 hash0;
- u8 * h0;
- u8 error0;
-
- /* Stride 3 seems to work best */
- if (PREDICT_TRUE (n_left_from > 3))
- {
- vlib_buffer_t * p1 = vlib_get_buffer(vm, from[3]);
- vnet_classify_table_t * tp1;
- u32 table_index1;
- u64 phash1;
-
- table_index1 = vnet_buffer(p1)->l2_classify.table_index;
-
- if (PREDICT_TRUE (table_index1 != ~0))
- {
- tp1 = pool_elt_at_index (vcm->tables, table_index1);
- phash1 = vnet_buffer(p1)->l2_classify.hash;
- vnet_classify_prefetch_entry (tp1, phash1);
- }
- }
-
- /* speculatively enqueue b0 to the current next frame */
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
- h0 = b0->data;
- table_index0 = vnet_buffer(b0)->l2_classify.table_index;
- e0 = 0;
- t0 = 0;
-
- /* Feature bitmap update */
- vnet_buffer(b0)->l2.feature_bitmap &= ~L2INPUT_FEAT_ACL;
-
- vnet_buffer(b0)->l2_classify.opaque_index = ~0;
- /* Determine the next node */
- next0 = feat_bitmap_get_next_node_index(msm->feat_next_node_index,
- vnet_buffer(b0)->l2.feature_bitmap);
-
- if (PREDICT_TRUE(table_index0 != ~0))
- {
- hash0 = vnet_buffer(b0)->l2_classify.hash;
- t0 = pool_elt_at_index (vcm->tables, table_index0);
-
- e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0,
- now);
- if (e0)
- {
- vnet_buffer(b0)->l2_classify.opaque_index
- = e0->opaque_index;
- vlib_buffer_advance (b0, e0->advance);
-
- next0 = (e0->next_index < ACL_NEXT_INDEX_N_NEXT)?
- e0->next_index:next0;
-
- hits++;
-
- error0 = (next0 == ACL_NEXT_INDEX_DENY)?
- L2_INACL_ERROR_SESSION_DENY:L2_INACL_ERROR_NONE;
- b0->error = node->errors[error0];
- }
- else
- {
- while (1)
- {
- if (PREDICT_TRUE(t0->next_table_index != ~0))
- t0 = pool_elt_at_index (vcm->tables,
- t0->next_table_index);
- else
- {
- next0 = (t0->miss_next_index < ACL_NEXT_INDEX_N_NEXT)?
- t0->miss_next_index:next0;
-
- misses++;
-
- error0 = (next0 == ACL_NEXT_INDEX_DENY)?
- L2_INACL_ERROR_TABLE_MISS:L2_INACL_ERROR_NONE;
- b0->error = node->errors[error0];
- break;
- }
-
- hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
- e0 = vnet_classify_find_entry
- (t0, (u8 *) h0, hash0, now);
- if (e0)
- {
- vlib_buffer_advance (b0, e0->advance);
- next0 = (e0->next_index < ACL_NEXT_INDEX_N_NEXT)?
- e0->next_index:next0;
- hits++;
- chain_hits++;
-
- error0 = (next0 == ACL_NEXT_INDEX_DENY)?
- L2_INACL_ERROR_SESSION_DENY:L2_INACL_ERROR_NONE;
- b0->error = node->errors[error0];
- break;
- }
- }
- }
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- l2_inacl_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- t->next_index = next0;
- t->table_index = t0 ? t0 - vcm->tables : ~0;
- t->offset = (t0 && e0) ? vnet_classify_get_offset (t0, e0): ~0;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0 = ACL_NEXT_INDEX_DENY;
+ u32 table_index0;
+ vnet_classify_table_t *t0;
+ vnet_classify_entry_t *e0;
+ u64 hash0;
+ u8 *h0;
+ u8 error0;
+
+ /* Stride 3 seems to work best */
+ if (PREDICT_TRUE (n_left_from > 3))
+ {
+ vlib_buffer_t *p1 = vlib_get_buffer (vm, from[3]);
+ vnet_classify_table_t *tp1;
+ u32 table_index1;
+ u64 phash1;
+
+ table_index1 = vnet_buffer (p1)->l2_classify.table_index;
+
+ if (PREDICT_TRUE (table_index1 != ~0))
+ {
+ tp1 = pool_elt_at_index (vcm->tables, table_index1);
+ phash1 = vnet_buffer (p1)->l2_classify.hash;
+ vnet_classify_prefetch_entry (tp1, phash1);
+ }
+ }
+
+ /* speculatively enqueue b0 to the current next frame */
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ h0 = b0->data;
+ table_index0 = vnet_buffer (b0)->l2_classify.table_index;
+ e0 = 0;
+ t0 = 0;
+
+ /* Feature bitmap update */
+ vnet_buffer (b0)->l2.feature_bitmap &= ~L2INPUT_FEAT_ACL;
+
+ vnet_buffer (b0)->l2_classify.opaque_index = ~0;
+ /* Determine the next node */
+ next0 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ vnet_buffer (b0)->
+ l2.feature_bitmap);
+
+ if (PREDICT_TRUE (table_index0 != ~0))
+ {
+ hash0 = vnet_buffer (b0)->l2_classify.hash;
+ t0 = pool_elt_at_index (vcm->tables, table_index0);
+
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ if (e0)
+ {
+ vnet_buffer (b0)->l2_classify.opaque_index
+ = e0->opaque_index;
+ vlib_buffer_advance (b0, e0->advance);
+
+ next0 = (e0->next_index < ACL_NEXT_INDEX_N_NEXT) ?
+ e0->next_index : next0;
+
+ hits++;
+
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_INACL_ERROR_SESSION_DENY : L2_INACL_ERROR_NONE;
+ b0->error = node->errors[error0];
+ }
+ else
+ {
+ while (1)
+ {
+ if (PREDICT_TRUE (t0->next_table_index != ~0))
+ t0 = pool_elt_at_index (vcm->tables,
+ t0->next_table_index);
+ else
+ {
+ next0 =
+ (t0->miss_next_index <
+ ACL_NEXT_INDEX_N_NEXT) ? t0->miss_next_index :
+ next0;
+
+ misses++;
+
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_INACL_ERROR_TABLE_MISS : L2_INACL_ERROR_NONE;
+ b0->error = node->errors[error0];
+ break;
+ }
+
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 = vnet_classify_find_entry
+ (t0, (u8 *) h0, hash0, now);
+ if (e0)
+ {
+ vlib_buffer_advance (b0, e0->advance);
+ next0 = (e0->next_index < ACL_NEXT_INDEX_N_NEXT) ?
+ e0->next_index : next0;
+ hits++;
+ chain_hits++;
+
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_INACL_ERROR_SESSION_DENY : L2_INACL_ERROR_NONE;
+ b0->error = node->errors[error0];
+ break;
+ }
+ }
+ }
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_inacl_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ t->next_index = next0;
+ t->table_index = t0 ? t0 - vcm->tables : ~0;
+ t->offset = (t0 && e0) ? vnet_classify_get_offset (t0, e0) : ~0;
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, next0);
+ }
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
vlib_node_increment_counter (vm, node->node_index,
- L2_INACL_ERROR_MISS,
- misses);
+ L2_INACL_ERROR_MISS, misses);
vlib_node_increment_counter (vm, node->node_index,
- L2_INACL_ERROR_HIT,
- hits);
+ L2_INACL_ERROR_HIT, hits);
vlib_node_increment_counter (vm, node->node_index,
- L2_INACL_ERROR_CHAIN_HIT,
- chain_hits);
+ L2_INACL_ERROR_CHAIN_HIT, chain_hits);
return frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_inacl_node,static) = {
.function = l2_inacl_node_fn,
.name = "l2-input-acl",
.vector_size = sizeof (u32),
.format_trace = format_l2_inacl_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2_inacl_error_strings),
.error_strings = l2_inacl_error_strings,
[ACL_NEXT_INDEX_DENY] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2_inacl_node, l2_inacl_node_fn)
-
-clib_error_t *l2_inacl_init (vlib_main_t *vm)
+ clib_error_t *l2_inacl_init (vlib_main_t * vm)
{
- l2_inacl_main_t * mp = &l2_inacl_main;
-
+ l2_inacl_main_t *mp = &l2_inacl_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2_inacl_node.index,
- L2INPUT_N_FEAT,
- l2input_get_feat_names(),
- mp->feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2_inacl_node.index,
+ L2INPUT_N_FEAT,
+ l2input_get_feat_names (),
+ mp->feat_next_node_index);
return 0;
}
VLIB_INIT_FUNCTION (l2_inacl_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vppinfra/cache.h>
-typedef struct {
- /* per-pkt trace data */
- u8 src[6];
- u8 dst[6];
- u8 raw[12]; // raw data (vlans)
+typedef struct
+{
+ /* per-pkt trace data */
+ u8 src[6];
+ u8 dst[6];
+ u8 raw[12]; /* raw data (vlans) */
u32 sw_if_index;
} l2_invtr_trace_t;
/* packet trace format function */
-static u8 * format_l2_invtr_trace (u8 * s, va_list * args)
+static u8 *
+format_l2_invtr_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2_invtr_trace_t * t = va_arg (*args, l2_invtr_trace_t *);
-
+ l2_invtr_trace_t *t = va_arg (*args, l2_invtr_trace_t *);
+
s = format (s, "l2-input-vtr: sw_if_index %d dst %U src %U data "
- "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
+ "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
t->sw_if_index,
- format_ethernet_address, t->dst,
- format_ethernet_address, t->src,
- t->raw[0], t->raw[1], t->raw[2], t->raw[3], t->raw[4], t->raw[5],
- t->raw[6], t->raw[7], t->raw[8], t->raw[9], t->raw[10], t->raw[11]);
+ format_ethernet_address, t->dst,
+ format_ethernet_address, t->src,
+ t->raw[0], t->raw[1], t->raw[2], t->raw[3], t->raw[4],
+ t->raw[5], t->raw[6], t->raw[7], t->raw[8], t->raw[9],
+ t->raw[10], t->raw[11]);
return s;
}
_(L2_INVTR, "L2 inverter packets") \
_(DROP, "L2 input tag rewrite drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2_INVTR_ERROR_##sym,
foreach_l2_invtr_error
#undef _
- L2_INVTR_N_ERROR,
+ L2_INVTR_N_ERROR,
} l2_invtr_error_t;
-static char * l2_invtr_error_strings[] = {
+static char *l2_invtr_error_strings[] = {
#define _(sym,string) string,
foreach_l2_invtr_error
#undef _
};
-typedef enum {
+typedef enum
+{
L2_INVTR_NEXT_DROP,
L2_INVTR_N_NEXT,
} l2_invtr_next_t;
static uword
l2_invtr_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2_invtr_next_t next_index;
- l2_invtr_main_t * msm = &l2_invtr_main;
- // vlib_node_t *n = vlib_get_node (vm, l2_invtr_node.index);
- // u32 node_counter_base_index = n->error_heap_index;
- // vlib_error_main_t * em = &vm->error_main;
+ l2_invtr_main_t *msm = &l2_invtr_main;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 6 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
- u32 feature_bitmap0, feature_bitmap1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+ u32 feature_bitmap0, feature_bitmap1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3, * p4, * p5;
- u32 sw_if_index2, sw_if_index3;
-
+ vlib_buffer_t *p2, *p3, *p4, *p5;
+ u32 sw_if_index2, sw_if_index3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
p4 = vlib_get_buffer (vm, from[4]);
p5 = vlib_get_buffer (vm, from[5]);
-
- // Prefetch the buffer header and packet for the N+2 loop iteration
+
+ /* Prefetch the buffer header and packet for the N+2 loop iteration */
vlib_prefetch_buffer_header (p4, LOAD);
vlib_prefetch_buffer_header (p5, LOAD);
CLIB_PREFETCH (p4->data, CLIB_CACHE_LINE_BYTES, STORE);
CLIB_PREFETCH (p5->data, CLIB_CACHE_LINE_BYTES, STORE);
- // Prefetch the input config for the N+1 loop iteration
- // This depends on the buffer header above
- sw_if_index2 = vnet_buffer(p2)->sw_if_index[VLIB_RX];
- sw_if_index3 = vnet_buffer(p3)->sw_if_index[VLIB_RX];
- CLIB_PREFETCH (vec_elt_at_index(l2output_main.configs, sw_if_index2), CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (vec_elt_at_index(l2output_main.configs, sw_if_index3), CLIB_CACHE_LINE_BYTES, LOAD);
+ /*
+ * Prefetch the input config for the N+1 loop iteration
+ * This depends on the buffer header above
+ */
+ sw_if_index2 = vnet_buffer (p2)->sw_if_index[VLIB_RX];
+ sw_if_index3 = vnet_buffer (p3)->sw_if_index[VLIB_RX];
+ CLIB_PREFETCH (vec_elt_at_index
+ (l2output_main.configs, sw_if_index2),
+ CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (vec_elt_at_index
+ (l2output_main.configs, sw_if_index3),
+ CLIB_CACHE_LINE_BYTES, LOAD);
}
- /* speculatively enqueue b0 and b1 to the current next frame */
- /* bi is "buffer index", b is pointer to the buffer */
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
-
- /* RX interface handles */
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
- // process 2 packets
- // em->counters[node_counter_base_index + L2_INVTR_ERROR_L2_INVTR] += 2;
-
- // Remove ourself from the feature bitmap
- feature_bitmap0 = vnet_buffer(b0)->l2.feature_bitmap & ~L2INPUT_FEAT_VTR;
- feature_bitmap1 = vnet_buffer(b1)->l2.feature_bitmap & ~L2INPUT_FEAT_VTR;
-
- // save for next feature graph nodes
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap0;
- vnet_buffer(b1)->l2.feature_bitmap = feature_bitmap1;
-
- // Determine the next node
- next0 = feat_bitmap_get_next_node_index(msm->feat_next_node_index,
- feature_bitmap0);
- next1 = feat_bitmap_get_next_node_index(msm->feat_next_node_index,
- feature_bitmap1);
-
- // perform the tag rewrite on two packets
- if (l2_vtr_process(b0, &(vec_elt_at_index(l2output_main.configs, sw_if_index0)->input_vtr))) {
- // Drop packet
- next0 = L2_INVTR_NEXT_DROP;
- b0->error = node->errors[L2_INVTR_ERROR_DROP];
- }
- if (l2_vtr_process(b1, &(vec_elt_at_index(l2output_main.configs, sw_if_index1)->input_vtr))) {
- // Drop packet
- next1 = L2_INVTR_NEXT_DROP;
- b1->error = node->errors[L2_INVTR_ERROR_DROP];
- }
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE))) {
- if (b0->flags & VLIB_BUFFER_IS_TRACED) {
- l2_invtr_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- ethernet_header_t * h0 = vlib_buffer_get_current (b0);
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- clib_memcpy(t->raw, &h0->type, sizeof(t->raw));
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED) {
- l2_invtr_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- ethernet_header_t * h1 = vlib_buffer_get_current (b1);
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- clib_memcpy(t->raw, &h1->type, sizeof(t->raw));
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- /* if next0==next1==next_index then nothing special needs to be done */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+ /* RX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+
+ /* process 2 packets */
+
+ /* Remove ourself from the feature bitmap */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2INPUT_FEAT_VTR;
+ feature_bitmap1 =
+ vnet_buffer (b1)->l2.feature_bitmap & ~L2INPUT_FEAT_VTR;
+
+ /* save for next feature graph nodes */
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap0;
+ vnet_buffer (b1)->l2.feature_bitmap = feature_bitmap1;
+
+ /* Determine the next node */
+ next0 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ feature_bitmap0);
+ next1 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ feature_bitmap1);
+
+ /* perform the tag rewrite on two packets */
+ if (l2_vtr_process
+ (b0,
+ &(vec_elt_at_index
+ (l2output_main.configs, sw_if_index0)->input_vtr)))
+ {
+ /* Drop packet */
+ next0 = L2_INVTR_NEXT_DROP;
+ b0->error = node->errors[L2_INVTR_ERROR_DROP];
+ }
+ if (l2_vtr_process
+ (b1,
+ &(vec_elt_at_index
+ (l2output_main.configs, sw_if_index1)->input_vtr)))
+ {
+ /* Drop packet */
+ next1 = L2_INVTR_NEXT_DROP;
+ b1->error = node->errors[L2_INVTR_ERROR_DROP];
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_invtr_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ clib_memcpy (t->raw, &h0->type, sizeof (t->raw));
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_invtr_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ ethernet_header_t *h1 = vlib_buffer_get_current (b1);
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ clib_memcpy (t->raw, &h1->type, sizeof (t->raw));
+ }
+ }
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
- u32 feature_bitmap0;
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+ u32 feature_bitmap0;
- /* speculatively enqueue b0 to the current next frame */
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-
- // process 1 packet
- // em->counters[node_counter_base_index + L2_INVTR_ERROR_L2_INVTR] += 1;
-
- // Remove ourself from the feature bitmap
- feature_bitmap0 = vnet_buffer(b0)->l2.feature_bitmap & ~L2INPUT_FEAT_VTR;
-
- // save for next feature graph nodes
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap0;
-
- // Determine the next node
- next0 = feat_bitmap_get_next_node_index(msm->feat_next_node_index,
- feature_bitmap0);
-
- // perform the tag rewrite on one packet
- if (l2_vtr_process(b0, &(vec_elt_at_index(l2output_main.configs, sw_if_index0)->input_vtr))) {
- // Drop packet
- next0 = L2_INVTR_NEXT_DROP;
- b0->error = node->errors[L2_INVTR_ERROR_DROP];
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- l2_invtr_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- ethernet_header_t * h0 = vlib_buffer_get_current (b0);
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- clib_memcpy(t->raw, &h0->type, sizeof(t->raw));
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ /* process 1 packet */
+
+ /* Remove ourself from the feature bitmap */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2INPUT_FEAT_VTR;
+
+ /* save for next feature graph nodes */
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap0;
+
+ /* Determine the next node */
+ next0 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ feature_bitmap0);
+
+ /* perform the tag rewrite on one packet */
+ if (l2_vtr_process
+ (b0,
+ &(vec_elt_at_index
+ (l2output_main.configs, sw_if_index0)->input_vtr)))
+ {
+ /* Drop packet */
+ next0 = L2_INVTR_NEXT_DROP;
+ b0->error = node->errors[L2_INVTR_ERROR_DROP];
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_invtr_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ ethernet_header_t *h0 = vlib_buffer_get_current (b0);
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ clib_memcpy (t->raw, &h0->type, sizeof (t->raw));
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_invtr_node,static) = {
.function = l2_invtr_node_fn,
.name = "l2-input-vtr",
.vector_size = sizeof (u32),
.format_trace = format_l2_invtr_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2_invtr_error_strings),
.error_strings = l2_invtr_error_strings,
[L2_INVTR_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2_invtr_node, l2_invtr_node_fn)
-
-clib_error_t *l2_invtr_init (vlib_main_t *vm)
+ clib_error_t *l2_invtr_init (vlib_main_t * vm)
{
- l2_invtr_main_t * mp = &l2_invtr_main;
-
+ l2_invtr_main_t *mp = &l2_invtr_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2_invtr_node.index,
- L2INPUT_N_FEAT,
- l2input_get_feat_names(),
- mp->feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2_invtr_node.index,
+ L2INPUT_N_FEAT,
+ l2input_get_feat_names (),
+ mp->feat_next_node_index);
return 0;
}
VLIB_INIT_FUNCTION (l2_invtr_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/l2/l2_vtr.h>
-typedef struct {
+typedef struct
+{
- // The input vtr data is located in l2_output_config_t because
- // the same config data is used for the egress EFP Filter check.
+ /*
+ * The input vtr data is located in l2_output_config_t because
+ * the same config data is used for the egress EFP Filter check.
+ */
- // Next nodes for each feature
+ /* Next nodes for each feature */
u32 feat_next_node_index[32];
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2_invtr_main_t;
extern l2_invtr_main_t l2_invtr_main;
-#endif // included_vnet_l2_input_vtr_h
+#endif /* included_vnet_l2_input_vtr_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
* Ethernet bridge learning
*
* Populate the mac table with entries mapping the packet's source mac + bridge
- * domain ID to the input sw_if_index.
+ * domain ID to the input sw_if_index.
*
* Note that learning and forwarding are separate graph nodes. This means that
* for a set of packets, all learning is performed first, then all nodes are
*/
-typedef struct {
+typedef struct
+{
u8 src[6];
u8 dst[6];
u32 sw_if_index;
/* packet trace format function */
-static u8 * format_l2learn_trace (u8 * s, va_list * args)
+static u8 *
+format_l2learn_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2learn_trace_t * t = va_arg (*args, l2learn_trace_t *);
-
+ l2learn_trace_t *t = va_arg (*args, l2learn_trace_t *);
+
s = format (s, "l2-learn: sw_if_index %d dst %U src %U bd_index %d",
- t->sw_if_index,
- format_ethernet_address, t->dst,
- format_ethernet_address, t->src,
- t->bd_index);
+ t->sw_if_index,
+ format_ethernet_address, t->dst,
+ format_ethernet_address, t->src, t->bd_index);
return s;
}
_(MAC_MOVE_VIOLATE, "L2 mac move violations") \
_(LIMIT, "L2 not learned due to limit") \
_(HIT, "L2 learn hits") \
-_(FILTER_DROP, "L2 filter mac drops")
+_(FILTER_DROP, "L2 filter mac drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2LEARN_ERROR_##sym,
foreach_l2learn_error
#undef _
- L2LEARN_N_ERROR,
+ L2LEARN_N_ERROR,
} l2learn_error_t;
-static char * l2learn_error_strings[] = {
+static char *l2learn_error_strings[] = {
#define _(sym,string) string,
foreach_l2learn_error
#undef _
};
-typedef enum {
+typedef enum
+{
L2LEARN_NEXT_L2FWD,
L2LEARN_NEXT_DROP,
L2LEARN_N_NEXT,
} l2learn_next_t;
-// Perform learning on one packet based on the mac table lookup result
+/** Perform learning on one packet based on the mac table lookup result */
static_always_inline void
l2learn_process (vlib_node_runtime_t * node,
- l2learn_main_t * msm,
- u64 * counter_base,
- vlib_buffer_t * b0,
- u32 sw_if_index0,
- l2fib_entry_key_t * key0,
- l2fib_entry_key_t * cached_key,
- u32 * bucket0,
- l2fib_entry_result_t * result0,
- u32 * next0)
+ l2learn_main_t * msm,
+ u64 * counter_base,
+ vlib_buffer_t * b0,
+ u32 sw_if_index0,
+ l2fib_entry_key_t * key0,
+ l2fib_entry_key_t * cached_key,
+ u32 * bucket0, l2fib_entry_result_t * result0, u32 * next0)
{
u32 feature_bitmap;
- // Set up the default next node (typically L2FWD)
+ /* Set up the default next node (typically L2FWD) */
- // Remove ourself from the feature bitmap
- feature_bitmap = vnet_buffer(b0)->l2.feature_bitmap & ~L2INPUT_FEAT_LEARN;
+ /* Remove ourself from the feature bitmap */
+ feature_bitmap = vnet_buffer (b0)->l2.feature_bitmap & ~L2INPUT_FEAT_LEARN;
- // Save for next feature graph nodes
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap;
+ /* Save for next feature graph nodes */
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap;
- // Determine the next node
- *next0 = feat_bitmap_get_next_node_index(msm->feat_next_node_index,
- feature_bitmap);
+ /* Determine the next node */
+ *next0 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ feature_bitmap);
- // Check mac table lookup result
+ /* Check mac table lookup result */
- if (PREDICT_TRUE (result0->fields.sw_if_index == sw_if_index0)) {
- // The entry was in the table, and the sw_if_index matched, the normal case
+ if (PREDICT_TRUE (result0->fields.sw_if_index == sw_if_index0))
+ {
+ /*
+ * The entry was in the table, and the sw_if_index matched, the normal case
+ *
+ * TODO: for dataplane learning and aging, do this:
+ * if refresh=0 and not a static mac, set refresh=1
+ */
+ counter_base[L2LEARN_ERROR_HIT] += 1;
- // TODO: for dataplane learning and aging, do this:
- // if refresh=0 and not a static mac, set refresh=1
- counter_base[L2LEARN_ERROR_HIT] += 1;
+ }
+ else if (result0->raw == ~0)
+ {
- } else if (result0->raw == ~0) {
+ /* The entry was not in table, so add it */
- // The entry was not in table, so add it
+ counter_base[L2LEARN_ERROR_MISS] += 1;
- counter_base[L2LEARN_ERROR_MISS] += 1;
+ if (msm->global_learn_count == msm->global_learn_limit)
+ {
+ /*
+ * Global limit reached. Do not learn the mac but forward the packet.
+ * In the future, limits could also be per-interface or bridge-domain.
+ */
+ counter_base[L2LEARN_ERROR_LIMIT] += 1;
+ goto done;
- if (msm->global_learn_count == msm->global_learn_limit) {
- // Global limit reached. Do not learn the mac but forward the packet.
- // In the future, limits could also be per-interface or bridge-domain.
- counter_base[L2LEARN_ERROR_LIMIT] += 1;
- goto done;
+ }
+ else
+ {
+ BVT (clib_bihash_kv) kv;
+ /* It is ok to learn */
- } else {
- BVT(clib_bihash_kv) kv;
- // It is ok to learn
+ result0->raw = 0; /* clear all fields */
+ result0->fields.sw_if_index = sw_if_index0;
+ /* TODO: set timestamp in entry to clock for dataplane aging */
+ kv.key = key0->raw;
+ kv.value = result0->raw;
- result0->raw = 0; // clear all fields
- result0->fields.sw_if_index = sw_if_index0;
- // TODO: set timestamp in entry to clock for dataplane aging
- kv.key = key0->raw;
- kv.value = result0->raw;
+ BV (clib_bihash_add_del) (msm->mac_table, &kv, 1 /* is_add */ );
- BV(clib_bihash_add_del) (msm->mac_table, &kv, 1 /* is_add */);
+ cached_key->raw = ~0; /* invalidate the cache */
+ msm->global_learn_count++;
+ }
- cached_key->raw = ~0; // invalidate the cache
- msm->global_learn_count++;
}
+ else
+ {
- } else {
+ /* The entry was in the table, but with the wrong sw_if_index mapping (mac move) */
+ counter_base[L2LEARN_ERROR_MAC_MOVE] += 1;
- // The entry was in the table, but with the wrong sw_if_index mapping (mac move)
- counter_base[L2LEARN_ERROR_MAC_MOVE] += 1;
+ if (result0->fields.static_mac)
+ {
+ /*
+ * Don't overwrite a static mac
+ * TODO: Check violation policy. For now drop the packet
+ */
+ b0->error = node->errors[L2LEARN_ERROR_MAC_MOVE_VIOLATE];
+ *next0 = L2LEARN_NEXT_DROP;
+ }
+ else
+ {
+ /*
+ * Update the entry
+ * TODO: may want to rate limit mac moves
+ * TODO: check global/bridge domain/interface learn limits
+ */
+ BVT (clib_bihash_kv) kv;
- if (result0->fields.static_mac) {
- // Don't overwrite a static mac
- // TODO: Check violation policy. For now drop the packet
- b0->error = node->errors[L2LEARN_ERROR_MAC_MOVE_VIOLATE];
- *next0 = L2LEARN_NEXT_DROP;
- } else {
- // Update the entry
- // TODO: may want to rate limit mac moves
- // TODO: check global/bridge domain/interface learn limits
- BVT(clib_bihash_kv) kv;
+ result0->raw = 0; /* clear all fields */
+ result0->fields.sw_if_index = sw_if_index0;
- result0->raw = 0; // clear all fields
- result0->fields.sw_if_index = sw_if_index0;
-
- kv.key = key0->raw;
- kv.value = result0->raw;
+ kv.key = key0->raw;
+ kv.value = result0->raw;
- cached_key->raw = ~0; // invalidate the cache
+ cached_key->raw = ~0; /* invalidate the cache */
- BV(clib_bihash_add_del) (msm->mac_table, &kv, 1 /* is_add */);
+ BV (clib_bihash_add_del) (msm->mac_table, &kv, 1 /* is_add */ );
+ }
}
- }
- if (result0->fields.filter) {
- // drop packet because lookup matched a filter mac entry
+ if (result0->fields.filter)
+ {
+ /* drop packet because lookup matched a filter mac entry */
- if (*next0 != L2LEARN_NEXT_DROP) {
- // if we're not already dropping the packet, do it now
- b0->error = node->errors[L2LEARN_ERROR_FILTER_DROP];
- *next0 = L2LEARN_NEXT_DROP;
+ if (*next0 != L2LEARN_NEXT_DROP)
+ {
+ /* if we're not already dropping the packet, do it now */
+ b0->error = node->errors[L2LEARN_ERROR_FILTER_DROP];
+ *next0 = L2LEARN_NEXT_DROP;
+ }
}
- }
done:
return;
static uword
l2learn_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2learn_next_t next_index;
- l2learn_main_t * msm = &l2learn_main;
+ l2learn_main_t *msm = &l2learn_main;
vlib_node_t *n = vlib_get_node (vm, l2learn_node.index);
u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
+ vlib_error_main_t *em = &vm->error_main;
l2fib_entry_key_t cached_key;
l2fib_entry_result_t cached_result;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
-
- // Clear the one-entry cache in case mac table was updated
- cached_key.raw = ~0;
- cached_result.raw = ~0; /* warning be gone */
+
+ /* Clear the one-entry cache in case mac table was updated */
+ cached_key.raw = ~0;
+ cached_result.raw = ~0; /* warning be gone */
while (n_left_from > 0)
{
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
- ethernet_header_t * h0, * h1;
- l2fib_entry_key_t key0, key1;
- l2fib_entry_result_t result0, result1;
- u32 bucket0, bucket1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+ ethernet_header_t *h0, *h1;
+ l2fib_entry_key_t key0, key1;
+ l2fib_entry_result_t result0, result1;
+ u32 bucket0, bucket1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
-
+ vlib_buffer_t *p2, *p3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
-
+
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
}
- /* speculatively enqueue b0 and b1 to the current next frame */
- /* bi is "buffer index", b is pointer to the buffer */
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
-
- /* RX interface handles */
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
- /* Process 2 x pkts */
-
- h0 = vlib_buffer_get_current (b0);
- h1 = vlib_buffer_get_current (b1);
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2learn_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->bd_index = vnet_buffer(b0)->l2.bd_index;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2learn_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- t->bd_index = vnet_buffer(b1)->l2.bd_index;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- }
- }
-
- /* process 2 pkts */
- em->counters[node_counter_base_index + L2LEARN_ERROR_L2LEARN] += 2;
-
- l2fib_lookup_2 (msm->mac_table, &cached_key, &cached_result,
- h0->src_address,
- h1->src_address,
- vnet_buffer(b0)->l2.bd_index,
- vnet_buffer(b1)->l2.bd_index,
- &key0,
- &key1,
- &bucket0,
- &bucket1,
- &result0,
- &result1);
-
- l2learn_process (node, msm, &em->counters[node_counter_base_index],
- b0, sw_if_index0, &key0, &cached_key,
- &bucket0, &result0, &next0);
-
- l2learn_process (node, msm, &em->counters[node_counter_base_index],
- b1, sw_if_index1, &key1, &cached_key,
- &bucket1, &result1, &next1);
-
- /* verify speculative enqueues, maybe switch current next frame */
- /* if next0==next1==next_index then nothing special needs to be done */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+
+ /* RX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+
+ /* Process 2 x pkts */
+
+ h0 = vlib_buffer_get_current (b0);
+ h1 = vlib_buffer_get_current (b1);
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2learn_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->bd_index = vnet_buffer (b0)->l2.bd_index;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2learn_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ t->bd_index = vnet_buffer (b1)->l2.bd_index;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ }
+ }
+
+ /* process 2 pkts */
+ em->counters[node_counter_base_index + L2LEARN_ERROR_L2LEARN] += 2;
+
+ l2fib_lookup_2 (msm->mac_table, &cached_key, &cached_result,
+ h0->src_address,
+ h1->src_address,
+ vnet_buffer (b0)->l2.bd_index,
+ vnet_buffer (b1)->l2.bd_index,
+ &key0,
+ &key1, &bucket0, &bucket1, &result0, &result1);
+
+ l2learn_process (node, msm, &em->counters[node_counter_base_index],
+ b0, sw_if_index0, &key0, &cached_key,
+ &bucket0, &result0, &next0);
+
+ l2learn_process (node, msm, &em->counters[node_counter_base_index],
+ b1, sw_if_index1, &key1, &cached_key,
+ &bucket1, &result1, &next1);
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
- ethernet_header_t * h0;
- l2fib_entry_key_t key0;
- l2fib_entry_result_t result0;
- u32 bucket0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+ ethernet_header_t *h0;
+ l2fib_entry_key_t key0;
+ l2fib_entry_result_t result0;
+ u32 bucket0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-
- h0 = vlib_buffer_get_current (b0);
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- l2learn_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->bd_index = vnet_buffer(b0)->l2.bd_index;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
-
- /* process 1 pkt */
- em->counters[node_counter_base_index + L2LEARN_ERROR_L2LEARN] += 1;
-
- l2fib_lookup_1 (msm->mac_table, &cached_key, &cached_result,
- h0->src_address, vnet_buffer(b0)->l2.bd_index,
- &key0,
- &bucket0,
- &result0);
-
- l2learn_process (node, msm, &em->counters[node_counter_base_index],
- b0, sw_if_index0, &key0, &cached_key,
- &bucket0, &result0, &next0);
-
- /* verify speculative enqueue, maybe switch current next frame */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ h0 = vlib_buffer_get_current (b0);
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2learn_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->bd_index = vnet_buffer (b0)->l2.bd_index;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+
+ /* process 1 pkt */
+ em->counters[node_counter_base_index + L2LEARN_ERROR_L2LEARN] += 1;
+
+ l2fib_lookup_1 (msm->mac_table, &cached_key, &cached_result,
+ h0->src_address, vnet_buffer (b0)->l2.bd_index,
+ &key0, &bucket0, &result0);
+
+ l2learn_process (node, msm, &em->counters[node_counter_base_index],
+ b0, sw_if_index0, &key0, &cached_key,
+ &bucket0, &result0, &next0);
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2learn_node,static) = {
.function = l2learn_node_fn,
.name = "l2-learn",
.vector_size = sizeof (u32),
.format_trace = format_l2learn_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2learn_error_strings),
.error_strings = l2learn_error_strings,
[L2LEARN_NEXT_L2FWD] = "l2-fwd",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2learn_node, l2learn_node_fn)
-
-clib_error_t *l2learn_init (vlib_main_t *vm)
+ clib_error_t *l2learn_init (vlib_main_t * vm)
{
- l2learn_main_t * mp = &l2learn_main;
-
+ l2learn_main_t *mp = &l2learn_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2learn_node.index,
- L2INPUT_N_FEAT,
- l2input_get_feat_names(),
- mp->feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2learn_node.index,
+ L2INPUT_N_FEAT,
+ l2input_get_feat_names (),
+ mp->feat_next_node_index);
/* init the hash table ptr */
- mp->mac_table = get_mac_table();
+ mp->mac_table = get_mac_table ();
- // Set the default number of dynamically learned macs to the number
- // of buckets.
+ /*
+ * Set the default number of dynamically learned macs to the number
+ * of buckets.
+ */
mp->global_learn_limit = L2FIB_NUM_BUCKETS * 16;
return 0;
VLIB_INIT_FUNCTION (l2learn_init);
-// set subinterface learn enable/disable
-// The CLI format is:
-// set interface l2 learn <interface> [disable]
+/**
+ * set subinterface learn enable/disable
+ * The CLI format is:
+ * set interface l2 learn <interface> [disable]
+ */
static clib_error_t *
int_learn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index;
u32 enable;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
- // set the interface flag
- l2input_intf_bitmap_enable(sw_if_index, L2INPUT_FEAT_LEARN, enable);
+ /* set the interface flag */
+ l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_LEARN, enable);
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_learn_cli, static) = {
.path = "set interface l2 learn",
.short_help = "set interface l2 learn <interface> [disable]",
.function = int_learn,
};
+/* *INDENT-ON* */
static clib_error_t *
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "limit %d", &mp->global_learn_limit))
- ;
+ ;
else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
}
return 0;
VLIB_CONFIG_FUNCTION (l2learn_config, "l2learn");
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/ethernet/ethernet.h>
-typedef struct {
+typedef struct
+{
- // Hash table
- BVT(clib_bihash) *mac_table;
+ /* Hash table */
+ BVT (clib_bihash) * mac_table;
- // number of dynamically learned mac entries
+ /* number of dynamically learned mac entries */
u32 global_learn_count;
- // maximum number of dynamically learned mac entries
+ /* maximum number of dynamically learned mac entries */
u32 global_learn_limit;
- // Next nodes for each feature
+ /* Next nodes for each feature */
u32 feat_next_node_index[32];
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2learn_main_t;
l2learn_main_t l2learn_main;
#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/l2/l2_output.h>
-// Feature graph node names
-static char * l2output_feat_names[] = {
+/* Feature graph node names */
+static char *l2output_feat_names[] = {
#define _(sym,name) name,
foreach_l2output_feat
#undef _
};
-char **l2output_get_feat_names(void) {
+char **
+l2output_get_feat_names (void)
+{
return l2output_feat_names;
}
l2output_main_t l2output_main;
-typedef struct {
- /* per-pkt trace data */
+typedef struct
+{
+ /* per-pkt trace data */
u8 src[6];
u8 dst[6];
u32 sw_if_index;
} l2output_trace_t;
/* packet trace format function */
-static u8 * format_l2output_trace (u8 * s, va_list * args)
+static u8 *
+format_l2output_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2output_trace_t * t = va_arg (*args, l2output_trace_t *);
-
+ l2output_trace_t *t = va_arg (*args, l2output_trace_t *);
+
s = format (s, "l2-output: sw_if_index %d dst %U src %U",
t->sw_if_index,
- format_ethernet_address, t->dst,
- format_ethernet_address, t->src);
+ format_ethernet_address, t->dst,
+ format_ethernet_address, t->src);
return s;
}
-static char * l2output_error_strings[] = {
+static char *l2output_error_strings[] = {
#define _(sym,string) string,
foreach_l2output_error
#undef _
};
-// Return 0 if split horizon check passes, otherwise return non-zero
-// Packets should not be transmitted out an interface with the same
-// split-horizon group as the input interface, except if the shg is 0
-// in which case the check always passes.
+/**
+ * Return 0 if split horizon check passes, otherwise return non-zero
+ * Packets should not be transmitted out an interface with the same
+ * split-horizon group as the input interface, except if the shg is 0
+ * in which case the check always passes.
+ */
static_always_inline u32
split_horizon_violation (u8 shg1, u8 shg2)
{
- if (PREDICT_TRUE (shg1 == 0)) {
- return 0;
- } else {
- return shg1 == shg2;
- }
+ if (PREDICT_TRUE (shg1 == 0))
+ {
+ return 0;
+ }
+ else
+ {
+ return shg1 == shg2;
+ }
}
static uword
l2output_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2output_next_t next_index;
- l2output_main_t * msm = &l2output_main;
+ l2output_main_t *msm = &l2output_main;
vlib_node_t *n = vlib_get_node (vm, l2output_node.index);
u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
+ vlib_error_main_t *em = &vm->error_main;
u32 cached_sw_if_index;
u32 cached_next_index;
/* Invalidate cache */
cached_sw_if_index = ~0;
- cached_next_index = ~0; /* warning be gone */
+ cached_next_index = ~0; /* warning be gone */
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 6 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
- ethernet_header_t * h0, * h1;
- l2_output_config_t * config0, * config1;
- u32 feature_bitmap0, feature_bitmap1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+ ethernet_header_t *h0, *h1;
+ l2_output_config_t *config0, *config1;
+ u32 feature_bitmap0, feature_bitmap1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3, * p4 , * p5;
- u32 sw_if_index2, sw_if_index3;
-
+ vlib_buffer_t *p2, *p3, *p4, *p5;
+ u32 sw_if_index2, sw_if_index3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
p4 = vlib_get_buffer (vm, from[4]);
p5 = vlib_get_buffer (vm, from[5]);
-
- // Prefetch the buffer header for the N+2 loop iteration
+
+ /* Prefetch the buffer header for the N+2 loop iteration */
vlib_prefetch_buffer_header (p4, LOAD);
vlib_prefetch_buffer_header (p5, LOAD);
- // Note: no need to prefetch packet data. This node doesn't reference it.
-
- // Prefetch the input config for the N+1 loop iteration
- // This depends on the buffer header above
- sw_if_index2 = vnet_buffer(p2)->sw_if_index[VLIB_TX];
- sw_if_index3 = vnet_buffer(p3)->sw_if_index[VLIB_TX];
- CLIB_PREFETCH (&msm->configs[sw_if_index2], CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (&msm->configs[sw_if_index3], CLIB_CACHE_LINE_BYTES, LOAD);
+ /*
+ * Note: no need to prefetch packet data.
+ * This node doesn't reference it.
+ *
+ * Prefetch the input config for the N+1 loop iteration
+ * This depends on the buffer header above
+ */
+ sw_if_index2 = vnet_buffer (p2)->sw_if_index[VLIB_TX];
+ sw_if_index3 = vnet_buffer (p3)->sw_if_index[VLIB_TX];
+ CLIB_PREFETCH (&msm->configs[sw_if_index2], CLIB_CACHE_LINE_BYTES,
+ LOAD);
+ CLIB_PREFETCH (&msm->configs[sw_if_index3], CLIB_CACHE_LINE_BYTES,
+ LOAD);
}
- /* speculatively enqueue b0 and b1 to the current next frame */
- /* bi is "buffer index", b is pointer to the buffer */
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
-
- /* TX interface handles */
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_TX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_TX];
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- h0 = vlib_buffer_get_current (b0);
- h1 = vlib_buffer_get_current (b1);
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2output_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2output_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- }
- }
-
- em->counters[node_counter_base_index + L2OUTPUT_ERROR_L2OUTPUT] += 2;
-
- // Get config for the output interface
- config0 = vec_elt_at_index(msm->configs, sw_if_index0);
- config1 = vec_elt_at_index(msm->configs, sw_if_index1);
-
- // Get features from the config
- // TODO: mask out any non-applicable features
- feature_bitmap0 = config0->feature_bitmap;
- feature_bitmap1 = config1->feature_bitmap;
-
- // Determine next node
- l2_output_dispatch (msm->vlib_main,
- msm->vnet_main,
- node,
- l2output_node.index,
- &cached_sw_if_index,
- &cached_next_index,
- &msm->next_nodes,
- b0,
- sw_if_index0,
- feature_bitmap0,
- &next0);
-
- l2_output_dispatch (msm->vlib_main,
- msm->vnet_main,
- node,
- l2output_node.index,
- &cached_sw_if_index,
- &cached_next_index,
- &msm->next_nodes,
- b1,
- sw_if_index1,
- feature_bitmap1,
- &next1);
-
- // Perform output vlan tag rewrite and the pre-vtr EFP filter check.
- // The EFP Filter only needs to be run if there is an output VTR
- // configured. The flag for the post-vtr EFP Filter node is used
- // to trigger the pre-vtr check as well.
-
- if (PREDICT_FALSE (config0->output_vtr.push_and_pop_bytes)) {
- // Perform pre-vtr EFP filter check if configured
- u32 failed1 = (feature_bitmap0 & L2OUTPUT_FEAT_EFP_FILTER) &&
- (l2_efp_filter_process(b0, &(config0->input_vtr)));
- u32 failed2 = l2_vtr_process(b0, &(config0->output_vtr));
-
- if (PREDICT_FALSE (failed1 | failed2)) {
- next0 = L2OUTPUT_NEXT_DROP;
- if (failed2) {
- b0->error = node->errors[L2OUTPUT_ERROR_VTR_DROP];
- }
- if (failed1) {
- b0->error = node->errors[L2OUTPUT_ERROR_EFP_DROP];
- }
- }
+
+ /* TX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_TX];
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ h0 = vlib_buffer_get_current (b0);
+ h1 = vlib_buffer_get_current (b1);
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2output_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2output_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ }
}
- if (PREDICT_FALSE (config1->output_vtr.push_and_pop_bytes)) {
- // Perform pre-vtr EFP filter check if configured
- u32 failed1 = (feature_bitmap1 & L2OUTPUT_FEAT_EFP_FILTER) &&
- (l2_efp_filter_process(b1, &(config1->input_vtr)));
- u32 failed2 = l2_vtr_process(b1, &(config1->output_vtr));
-
- if (PREDICT_FALSE (failed1 | failed2)) {
- next1 = L2OUTPUT_NEXT_DROP;
- if (failed2) {
- b1->error = node->errors[L2OUTPUT_ERROR_VTR_DROP];
- }
- if (failed1) {
- b1->error = node->errors[L2OUTPUT_ERROR_EFP_DROP];
- }
- }
+ em->counters[node_counter_base_index + L2OUTPUT_ERROR_L2OUTPUT] +=
+ 2;
+
+ /* Get config for the output interface */
+ config0 = vec_elt_at_index (msm->configs, sw_if_index0);
+ config1 = vec_elt_at_index (msm->configs, sw_if_index1);
+
+ /*
+ * Get features from the config
+ * TODO: mask out any non-applicable features
+ */
+ feature_bitmap0 = config0->feature_bitmap;
+ feature_bitmap1 = config1->feature_bitmap;
+
+ /* Determine next node */
+ l2_output_dispatch (msm->vlib_main,
+ msm->vnet_main,
+ node,
+ l2output_node.index,
+ &cached_sw_if_index,
+ &cached_next_index,
+ &msm->next_nodes,
+ b0, sw_if_index0, feature_bitmap0, &next0);
+
+ l2_output_dispatch (msm->vlib_main,
+ msm->vnet_main,
+ node,
+ l2output_node.index,
+ &cached_sw_if_index,
+ &cached_next_index,
+ &msm->next_nodes,
+ b1, sw_if_index1, feature_bitmap1, &next1);
+
+ /*
+ * Perform output vlan tag rewrite and the pre-vtr EFP filter check.
+ * The EFP Filter only needs to be run if there is an output VTR
+ * configured. The flag for the post-vtr EFP Filter node is used
+ * to trigger the pre-vtr check as well.
+ */
+
+ if (PREDICT_FALSE (config0->output_vtr.push_and_pop_bytes))
+ {
+ /* Perform pre-vtr EFP filter check if configured */
+ u32 failed1 = (feature_bitmap0 & L2OUTPUT_FEAT_EFP_FILTER) &&
+ (l2_efp_filter_process (b0, &(config0->input_vtr)));
+ u32 failed2 = l2_vtr_process (b0, &(config0->output_vtr));
+
+ if (PREDICT_FALSE (failed1 | failed2))
+ {
+ next0 = L2OUTPUT_NEXT_DROP;
+ if (failed2)
+ {
+ b0->error = node->errors[L2OUTPUT_ERROR_VTR_DROP];
+ }
+ if (failed1)
+ {
+ b0->error = node->errors[L2OUTPUT_ERROR_EFP_DROP];
+ }
+ }
}
-
- // Perform the split horizon check
- // The check can only fail for non-zero shg's
- if (PREDICT_FALSE (config0->shg + config1->shg)) {
- // one of the checks might fail, check both
- if (split_horizon_violation (config0->shg, vnet_buffer(b0)->l2.shg)) {
- next0 = L2OUTPUT_NEXT_DROP;
- b0->error = node->errors[L2OUTPUT_ERROR_SHG_DROP];
- }
- if (split_horizon_violation (config1->shg, vnet_buffer(b1)->l2.shg)) {
- next1 = L2OUTPUT_NEXT_DROP;
- b1->error = node->errors[L2OUTPUT_ERROR_SHG_DROP];
- }
+
+ if (PREDICT_FALSE (config1->output_vtr.push_and_pop_bytes))
+ {
+ /* Perform pre-vtr EFP filter check if configured */
+ u32 failed1 = (feature_bitmap1 & L2OUTPUT_FEAT_EFP_FILTER) &&
+ (l2_efp_filter_process (b1, &(config1->input_vtr)));
+ u32 failed2 = l2_vtr_process (b1, &(config1->output_vtr));
+
+ if (PREDICT_FALSE (failed1 | failed2))
+ {
+ next1 = L2OUTPUT_NEXT_DROP;
+ if (failed2)
+ {
+ b1->error = node->errors[L2OUTPUT_ERROR_VTR_DROP];
+ }
+ if (failed1)
+ {
+ b1->error = node->errors[L2OUTPUT_ERROR_EFP_DROP];
+ }
+ }
}
- /* verify speculative enqueues, maybe switch current next frame */
- /* if next0==next1==next_index then nothing special needs to be done */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+ /*
+ * Perform the split horizon check
+ * The check can only fail for non-zero shg's
+ */
+ if (PREDICT_FALSE (config0->shg + config1->shg))
+ {
+ /* one of the checks might fail, check both */
+ if (split_horizon_violation
+ (config0->shg, vnet_buffer (b0)->l2.shg))
+ {
+ next0 = L2OUTPUT_NEXT_DROP;
+ b0->error = node->errors[L2OUTPUT_ERROR_SHG_DROP];
+ }
+ if (split_horizon_violation
+ (config1->shg, vnet_buffer (b1)->l2.shg))
+ {
+ next1 = L2OUTPUT_NEXT_DROP;
+ b1->error = node->errors[L2OUTPUT_ERROR_SHG_DROP];
+ }
+ }
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
- ethernet_header_t * h0;
- l2_output_config_t *config0;
- u32 feature_bitmap0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+ ethernet_header_t *h0;
+ l2_output_config_t *config0;
+ u32 feature_bitmap0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_TX];
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- l2output_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- h0 = vlib_buffer_get_current (b0);
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
-
- em->counters[node_counter_base_index + L2OUTPUT_ERROR_L2OUTPUT] += 1;
-
- // Get config for the output interface
- config0 = vec_elt_at_index(msm->configs, sw_if_index0);
-
- // Get features from the config
- // TODO: mask out any non-applicable features
- feature_bitmap0 = config0->feature_bitmap;
-
- // Determine next node
- l2_output_dispatch (msm->vlib_main,
- msm->vnet_main,
- node,
- l2output_node.index,
- &cached_sw_if_index,
- &cached_next_index,
- &msm->next_nodes,
- b0,
- sw_if_index0,
- feature_bitmap0,
- &next0);
-
- // Perform output vlan tag rewrite and the pre-vtr EFP filter check.
- // The EFP Filter only needs to be run if there is an output VTR
- // configured. The flag for the post-vtr EFP Filter node is used
- // to trigger the pre-vtr check as well.
-
- if (config0->output_vtr.push_and_pop_bytes) {
- // Perform pre-vtr EFP filter check if configured
- u32 failed1 = (feature_bitmap0 & L2OUTPUT_FEAT_EFP_FILTER) &&
- (l2_efp_filter_process(b0, &(config0->input_vtr)));
- u32 failed2 = l2_vtr_process(b0, &(config0->output_vtr));
-
- if (PREDICT_FALSE (failed1 | failed2)) {
- next0 = L2OUTPUT_NEXT_DROP;
- if (failed2) {
- b0->error = node->errors[L2OUTPUT_ERROR_VTR_DROP];
- }
- if (failed1) {
- b0->error = node->errors[L2OUTPUT_ERROR_EFP_DROP];
- }
- }
- }
-
- // Perform the split horizon check
- if (PREDICT_FALSE (split_horizon_violation (config0->shg, vnet_buffer(b0)->l2.shg))) {
- next0 = L2OUTPUT_NEXT_DROP;
- b0->error = node->errors[L2OUTPUT_ERROR_SHG_DROP];
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2output_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ h0 = vlib_buffer_get_current (b0);
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+
+ em->counters[node_counter_base_index + L2OUTPUT_ERROR_L2OUTPUT] +=
+ 1;
+
+ /* Get config for the output interface */
+ config0 = vec_elt_at_index (msm->configs, sw_if_index0);
+
+ /*
+ * Get features from the config
+ * TODO: mask out any non-applicable features
+ */
+ feature_bitmap0 = config0->feature_bitmap;
+
+ /* Determine next node */
+ l2_output_dispatch (msm->vlib_main,
+ msm->vnet_main,
+ node,
+ l2output_node.index,
+ &cached_sw_if_index,
+ &cached_next_index,
+ &msm->next_nodes,
+ b0, sw_if_index0, feature_bitmap0, &next0);
+
+ /*
+ * Perform output vlan tag rewrite and the pre-vtr EFP filter check.
+ * The EFP Filter only needs to be run if there is an output VTR
+ * configured. The flag for the post-vtr EFP Filter node is used
+ * to trigger the pre-vtr check as well.
+ */
+
+ if (config0->output_vtr.push_and_pop_bytes)
+ {
+ /* Perform pre-vtr EFP filter check if configured */
+ u32 failed1 = (feature_bitmap0 & L2OUTPUT_FEAT_EFP_FILTER) &&
+ (l2_efp_filter_process (b0, &(config0->input_vtr)));
+ u32 failed2 = l2_vtr_process (b0, &(config0->output_vtr));
+
+ if (PREDICT_FALSE (failed1 | failed2))
+ {
+ next0 = L2OUTPUT_NEXT_DROP;
+ if (failed2)
+ {
+ b0->error = node->errors[L2OUTPUT_ERROR_VTR_DROP];
+ }
+ if (failed1)
+ {
+ b0->error = node->errors[L2OUTPUT_ERROR_EFP_DROP];
+ }
+ }
+ }
+
+ /* Perform the split horizon check */
+ if (PREDICT_FALSE
+ (split_horizon_violation
+ (config0->shg, vnet_buffer (b0)->l2.shg)))
+ {
+ next0 = L2OUTPUT_NEXT_DROP;
+ b0->error = node->errors[L2OUTPUT_ERROR_SHG_DROP];
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2output_node,static) = {
.function = l2output_node_fn,
.name = "l2-output",
.vector_size = sizeof (u32),
.format_trace = format_l2output_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2output_error_strings),
.error_strings = l2output_error_strings,
[L2OUTPUT_NEXT_DEL_TUNNEL] = "l2-output-del-tunnel",
},
};
+/* *INDENT-ON* */
#define foreach_l2output_del_tunnel_error \
_(DROP, "L2 output to deleted tunnel")
-static char * l2output_del_tunnel_error_strings[] = {
+static char *l2output_del_tunnel_error_strings[] = {
#define _(sym,string) string,
foreach_l2output_del_tunnel_error
#undef _
};
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2OUTPUT_DEL_TUNNEL_ERROR_##sym,
foreach_l2output_del_tunnel_error
#undef _
- L2OUTPUT_DEL_TUNNEL_N_ERROR,
+ L2OUTPUT_DEL_TUNNEL_N_ERROR,
} l2output_del_tunnel_error_t;
-// Output node for tunnels which was in L2 BD's but were deleted.
-// On deletion of any tunnel which was on a L2 BD, its entry in
-// l2_output_main table next_nodes.output_node_index_vec[sw_if_index]
-// MUST be set to the value of L2OUTPUT_NEXT_DEL_TUNNEL. Thus, if there
-// are stale entries in the L2FIB for this tunnel sw_if_index, l2-output
-// will send packets for this sw_if_index to the l2-output-tunnel-del
-// node which just setup the proper drop reason before sending packets
-// to the error-drop node to drop the packet. Then, stale L2FIB entries
-// for delted tunnels won't cause possible packet or memory corrpution.
+/**
+ * Output node for tunnels which was in L2 BD's but were deleted.
+ * On deletion of any tunnel which was on a L2 BD, its entry in
+ * l2_output_main table next_nodes.output_node_index_vec[sw_if_index]
+ * MUST be set to the value of L2OUTPUT_NEXT_DEL_TUNNEL. Thus, if there
+ * are stale entries in the L2FIB for this tunnel sw_if_index, l2-output
+ * will send packets for this sw_if_index to the l2-output-tunnel-del
+ * node which just setup the proper drop reason before sending packets
+ * to the error-drop node to drop the packet. Then, stale L2FIB entries
+ * for delted tunnels won't cause possible packet or memory corrpution.
+ */
static vlib_node_registration_t l2output_del_tunnel_node;
static uword
l2output_del_tunnel_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2output_next_t next_index = 0;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; // number of packets to process
+ n_left_from = frame->n_vectors; /* number of packets to process */
while (n_left_from > 0)
{
u32 n_left_to_next;
- // get space to enqueue frame to graph node "next_index"
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ /* get space to enqueue frame to graph node "next_index" */
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
- to_next[0] = bi0 = from[0];
+ to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
to_next += 2;
n_left_to_next -= 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
- b0->error = node->errors[L2OUTPUT_DEL_TUNNEL_ERROR_DROP];
- b1->error = node->errors[L2OUTPUT_DEL_TUNNEL_ERROR_DROP];
- }
-
+ b0->error = node->errors[L2OUTPUT_DEL_TUNNEL_ERROR_DROP];
+ b1->error = node->errors[L2OUTPUT_DEL_TUNNEL_ERROR_DROP];
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
+ u32 bi0;
+ vlib_buffer_t *b0;
- bi0 = from[0];
+ bi0 = from[0];
to_next[0] = bi0;
from += 1;
to_next += 1;
n_left_from -= 1;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- b0->error = node->errors[L2OUTPUT_DEL_TUNNEL_ERROR_DROP];
+ b0->error = node->errors[L2OUTPUT_DEL_TUNNEL_ERROR_DROP];
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
return frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2output_del_tunnel_node,static) = {
.function = l2output_del_tunnel_node_fn,
.name = "l2-output-del-tunnel",
.vector_size = sizeof (u32),
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2output_del_tunnel_error_strings),
.error_strings = l2output_del_tunnel_error_strings,
[0] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2output_node, l2output_node_fn)
-
-clib_error_t *l2output_init (vlib_main_t *vm)
+ clib_error_t *l2output_init (vlib_main_t * vm)
{
- l2output_main_t * mp = &l2output_main;
-
+ l2output_main_t *mp = &l2output_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Create the config vector
- vec_validate(mp->configs, 100);
- // Until we hook up the CLI config, just create 100 sw interface entries and zero them
+ /* Create the config vector */
+ vec_validate (mp->configs, 100);
+ /* Until we hook up the CLI config, just create 100 sw interface entries and zero them */
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2output_node.index,
- L2OUTPUT_N_FEAT,
- l2output_get_feat_names(),
- mp->next_nodes.feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2output_node.index,
+ L2OUTPUT_N_FEAT,
+ l2output_get_feat_names (),
+ mp->next_nodes.feat_next_node_index);
- // Initialize the output node mapping table
- l2output_init_output_node_vec(&mp->next_nodes.output_node_index_vec);
+ /* Initialize the output node mapping table */
+ l2output_init_output_node_vec (&mp->next_nodes.output_node_index_vec);
return 0;
}
VLIB_INIT_FUNCTION (l2output_init);
-typedef struct {
+typedef struct
+{
u32 node_index;
u32 sw_if_index;
} output_node_mapping_rpc_args_t;
#if DPDK > 0
-static void output_node_rpc_callback
-( output_node_mapping_rpc_args_t * a);
+static void output_node_rpc_callback (output_node_mapping_rpc_args_t * a);
-static void output_node_mapping_send_rpc
-(u32 node_index,
- u32 sw_if_index)
+static void
+output_node_mapping_send_rpc (u32 node_index, u32 sw_if_index)
{
output_node_mapping_rpc_args_t args;
void vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length);
args.node_index = node_index;
args.sw_if_index = sw_if_index;
- vl_api_rpc_call_main_thread (output_node_rpc_callback,
- (u8 *) &args, sizeof (args));
+ vl_api_rpc_call_main_thread (output_node_rpc_callback,
+ (u8 *) & args, sizeof (args));
}
#endif
-// Create a mapping in the next node mapping table for the given sw_if_index
-u32 l2output_create_output_node_mapping (
- vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- u32 node_index, // index of current node
- u32 * output_node_index_vec,
- u32 sw_if_index) {
+/** Create a mapping in the next node mapping table for the given sw_if_index */
+u32
+l2output_create_output_node_mapping (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 node_index, /* index of current node */
+ u32 * output_node_index_vec,
+ u32 sw_if_index)
+{
- u32 next; // index of next graph node
+ u32 next; /* index of next graph node */
vnet_hw_interface_t *hw0;
- u32 *node;
+ u32 *node;
hw0 = vnet_get_sup_hw_interface (vnet_main, sw_if_index);
#if DPDK > 0
- uword cpu_number;
+ uword cpu_number;
- cpu_number = os_get_cpu_number();
+ cpu_number = os_get_cpu_number ();
if (cpu_number)
{
u32 oldflags;
- oldflags = __sync_fetch_and_or(&hw0->flags,
- VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED);
+ oldflags = __sync_fetch_and_or (&hw0->flags,
+ VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED);
- if ((oldflags & VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED) )
- return L2OUTPUT_NEXT_DROP;
+ if ((oldflags & VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED))
+ return L2OUTPUT_NEXT_DROP;
output_node_mapping_send_rpc (node_index, sw_if_index);
- return L2OUTPUT_NEXT_DROP;
+ return L2OUTPUT_NEXT_DROP;
}
#endif
- // dynamically create graph node arc
- next = vlib_node_add_next (vlib_main,
- node_index,
- hw0->output_node_index);
+ /* dynamically create graph node arc */
+ next = vlib_node_add_next (vlib_main, node_index, hw0->output_node_index);
- // Initialize vector with the mapping
+ /* Initialize vector with the mapping */
- node = vec_elt_at_index(output_node_index_vec, sw_if_index);
+ node = vec_elt_at_index (output_node_index_vec, sw_if_index);
*node = next;
-
+
return next;
}
#if DPDK > 0
-void output_node_rpc_callback (output_node_mapping_rpc_args_t *a)
+void
+output_node_rpc_callback (output_node_mapping_rpc_args_t * a)
{
- vlib_main_t * vm = vlib_get_main();
- vnet_main_t * vnm = vnet_get_main();
- l2output_main_t * mp = &l2output_main;
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_main_t *vnm = vnet_get_main ();
+ l2output_main_t *mp = &l2output_main;
- (void) l2output_create_output_node_mapping
- (vm, vnm, a->node_index, mp->next_nodes.output_node_index_vec,
+ (void) l2output_create_output_node_mapping
+ (vm, vnm, a->node_index, mp->next_nodes.output_node_index_vec,
a->sw_if_index);
}
#endif
-// Get a pointer to the config for the given interface
-l2_output_config_t * l2output_intf_config (u32 sw_if_index)
+/* Get a pointer to the config for the given interface */
+l2_output_config_t *
+l2output_intf_config (u32 sw_if_index)
{
- l2output_main_t * mp = &l2output_main;
-
- vec_validate(mp->configs, sw_if_index);
- return vec_elt_at_index(mp->configs, sw_if_index);
+ l2output_main_t *mp = &l2output_main;
+
+ vec_validate (mp->configs, sw_if_index);
+ return vec_elt_at_index (mp->configs, sw_if_index);
}
-// Enable (or disable) the feature in the bitmap for the given interface
-void l2output_intf_bitmap_enable (u32 sw_if_index,
- u32 feature_bitmap,
- u32 enable)
+/** Enable (or disable) the feature in the bitmap for the given interface */
+void
+l2output_intf_bitmap_enable (u32 sw_if_index, u32 feature_bitmap, u32 enable)
{
- l2output_main_t * mp = &l2output_main;
+ l2output_main_t *mp = &l2output_main;
l2_output_config_t *config;
-
- vec_validate(mp->configs, sw_if_index);
- config = vec_elt_at_index(mp->configs, sw_if_index);
-
- if (enable) {
- config->feature_bitmap |= feature_bitmap;
- } else {
- config->feature_bitmap &= ~feature_bitmap;
- }
+
+ vec_validate (mp->configs, sw_if_index);
+ config = vec_elt_at_index (mp->configs, sw_if_index);
+
+ if (enable)
+ {
+ config->feature_bitmap |= feature_bitmap;
+ }
+ else
+ {
+ config->feature_bitmap &= ~feature_bitmap;
+ }
}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/l2/l2_vtr.h>
-// The L2 output feature configuration, a per-interface struct
-typedef struct {
+/* The L2 output feature configuration, a per-interface struct */
+typedef struct
+{
u32 feature_bitmap;
- // vlan tag rewrite for ingress and egress
- // ingress vtr is located here because the same config data is used for
- // the egress EFP filter check
+ /*
+ * vlan tag rewrite for ingress and egress
+ * ingress vtr is located here because the same config data is used for
+ * the egress EFP filter check
+ */
vtr_config_t input_vtr;
vtr_config_t output_vtr;
- // some of these flags may get integrated into the feature bitmap
- u8 fwd_enable;
- u8 flood_enable;
+ /* some of these flags may get integrated into the feature bitmap */
+ u8 fwd_enable;
+ u8 flood_enable;
- // split horizon group
- u8 shg;
+ /* split horizon group */
+ u8 shg;
} l2_output_config_t;
-// The set of next nodes for features and interface output.
-// Each output feature node should include this.
-typedef struct {
- // vector of output next node index, indexed by sw_if_index.
- // used when all output features have been executed and the
- // next nodes are the interface output nodes.
- u32 * output_node_index_vec;
-
- // array of next node index for each output feature, indexed
- // by l2output_feat_t. Used to determine next feature node.
+/*
+ * The set of next nodes for features and interface output.
+ * Each output feature node should include this.
+ */
+typedef struct
+{
+ /*
+ * vector of output next node index, indexed by sw_if_index.
+ * used when all output features have been executed and the
+ * next nodes are the interface output nodes.
+ */
+ u32 *output_node_index_vec;
+
+ /*
+ * array of next node index for each output feature, indexed
+ * by l2output_feat_t. Used to determine next feature node.
+ */
u32 feat_next_node_index[32];
} l2_output_next_nodes_st;
-typedef struct {
- // Next nodes for features and output interfaces
+typedef struct
+{
+ /* Next nodes for features and output interfaces */
l2_output_next_nodes_st next_nodes;
/* config vector indexed by sw_if_index */
l2_output_config_t *configs;
/* Convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2output_main_t;
l2output_main_t l2output_main;
-// L2 output features
+/* L2 output features */
-// Mappings from feature ID to graph node name
+/* Mappings from feature ID to graph node name */
#define foreach_l2output_feat \
_(SPAN, "feature-bitmap-drop") \
_(CFM, "feature-bitmap-drop") \
_(LINESTATUS_DOWN, "feature-bitmap-drop") \
_(XCRW, "l2-xcrw")
-// Feature bitmap positions
-typedef enum {
+/* Feature bitmap positions */
+typedef enum
+{
#define _(sym,str) L2OUTPUT_FEAT_##sym##_BIT,
foreach_l2output_feat
#undef _
- L2OUTPUT_N_FEAT,
+ L2OUTPUT_N_FEAT,
} l2output_feat_t;
-// Feature bit masks
-typedef enum {
+/* Feature bit masks */
+typedef enum
+{
#define _(sym,str) L2OUTPUT_FEAT_##sym = (1<<L2OUTPUT_FEAT_##sym##_BIT),
foreach_l2output_feat
#undef _
} l2output_feat_masks_t;
-
+
#define foreach_l2output_error \
_(L2OUTPUT, "L2 output packets") \
_(EFP_DROP, "L2 EFP filter pre-rewrite drops") \
_(SHG_DROP, "L2 split horizon drops") \
_(DROP, "L2 output drops")
-typedef enum {
+typedef enum
+{
L2OUTPUT_NEXT_DROP,
L2OUTPUT_NEXT_DEL_TUNNEL,
L2OUTPUT_N_NEXT,
} l2output_next_t;
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2OUTPUT_ERROR_##sym,
foreach_l2output_error
#undef _
- L2OUTPUT_N_ERROR,
+ L2OUTPUT_N_ERROR,
} l2output_error_t;
-// Return an array of strings containing graph node names of each feature
-char **l2output_get_feat_names(void);
+/* Return an array of strings containing graph node names of each feature */
+char **l2output_get_feat_names (void);
-// The next set of functions is for use by output feature graph nodes.
-// When the last bit has been cleared from the output feature bitmap,
-// the next node is the output graph node for the TX sw_if_index.
-// These functions help the feature nodes get that node index.
+/**
+ * The next set of functions is for use by output feature graph nodes.
+ * When the last bit has been cleared from the output feature bitmap,
+ * the next node is the output graph node for the TX sw_if_index.
+ * These functions help the feature nodes get that node index.
+ */
-// Create a mapping to the output graph node for the given sw_if_index
-u32 l2output_create_output_node_mapping (
- vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- u32 node_index, // index of current node
- u32 * output_node_index_vec,
- u32 sw_if_index);
+/* Create a mapping to the output graph node for the given sw_if_index */
+u32 l2output_create_output_node_mapping (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 node_index, /* index of current node */
+ u32 * output_node_index_vec,
+ u32 sw_if_index);
-// Initialize the next node mapping table
-always_inline
-void l2output_init_output_node_vec (u32 **output_node_index_vec) {
+/* Initialize the next node mapping table */
+always_inline void
+l2output_init_output_node_vec (u32 ** output_node_index_vec)
+{
- // Size it at 100 sw_if_indexes initially
- // Uninitialized mappings are set to ~0
- vec_validate_init_empty(*output_node_index_vec, 100, ~0);
+ /*
+ * Size it at 100 sw_if_indexes initially
+ * Uninitialized mappings are set to ~0
+ */
+ vec_validate_init_empty (*output_node_index_vec, 100, ~0);
}
-// Get a mapping from the output node mapping table,
-// creating the entry if necessary.
-always_inline
-u32 l2output_get_output_node (vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- u32 node_index, // index of current node
- u32 sw_if_index,
- u32 ** output_node_index_vec) // may be updated
+/**
+ * Get a mapping from the output node mapping table,
+ * creating the entry if necessary.
+ */
+always_inline u32
+l2output_get_output_node (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 node_index, /* index of current node */
+ u32 sw_if_index, u32 ** output_node_index_vec) /* may be updated */
{
- u32 next; // index of next graph node
-
- // Insure the vector is big enough
- vec_validate_init_empty(*output_node_index_vec, sw_if_index, ~0);
-
- // Get the mapping for the sw_if_index
- next = vec_elt(*output_node_index_vec, sw_if_index);
-
- if (next == ~0) {
- // Mapping doesn't exist so create it
- next = l2output_create_output_node_mapping (vlib_main,
- vnet_main,
- node_index,
- *output_node_index_vec,
- sw_if_index);
- }
+ u32 next; /* index of next graph node */
+
+ /* Insure the vector is big enough */
+ vec_validate_init_empty (*output_node_index_vec, sw_if_index, ~0);
+
+ /* Get the mapping for the sw_if_index */
+ next = vec_elt (*output_node_index_vec, sw_if_index);
+
+ if (next == ~0)
+ {
+ /* Mapping doesn't exist so create it */
+ next = l2output_create_output_node_mapping (vlib_main,
+ vnet_main,
+ node_index,
+ *output_node_index_vec,
+ sw_if_index);
+ }
return next;
}
-// Determine the next L2 node based on the output feature bitmap
+/** Determine the next L2 node based on the output feature bitmap */
always_inline void
l2_output_dispatch (vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- vlib_node_runtime_t * node,
- u32 node_index,
- u32 * cached_sw_if_index,
- u32 * cached_next_index,
- l2_output_next_nodes_st *next_nodes,
- vlib_buffer_t * b0,
- u32 sw_if_index,
- u32 feature_bitmap,
- u32 *next0)
+ vnet_main_t * vnet_main,
+ vlib_node_runtime_t * node,
+ u32 node_index,
+ u32 * cached_sw_if_index,
+ u32 * cached_next_index,
+ l2_output_next_nodes_st * next_nodes,
+ vlib_buffer_t * b0,
+ u32 sw_if_index, u32 feature_bitmap, u32 * next0)
{
- if (feature_bitmap) {
- // There are some features to execute
-
- // Save bitmap for the next feature graph nodes
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap;
-
- // Determine the next node
- *next0 = feat_bitmap_get_next_node_index(next_nodes->feat_next_node_index,
- feature_bitmap);
- } else {
- // There are no features. Send packet to TX node for sw_if_index0
- // This is a little tricky in that the output interface next node indexes
- // are not precomputed at init time.
-
- if (sw_if_index == *cached_sw_if_index) {
- // We hit in the one-entry cache. Use it.
- *next0 = *cached_next_index;
- } else {
- // Look up the output TX node
- *next0 = l2output_get_output_node(vlib_main,
- vnet_main,
- node_index,
- sw_if_index,
- &next_nodes->output_node_index_vec);
-
- // Update the one-entry cache
- *cached_sw_if_index = sw_if_index;
- *cached_next_index = *next0;
+ if (feature_bitmap)
+ {
+ /* There are some features to execute */
+
+ /* Save bitmap for the next feature graph nodes */
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap;
+
+ /* Determine the next node */
+ *next0 =
+ feat_bitmap_get_next_node_index (next_nodes->feat_next_node_index,
+ feature_bitmap);
+ }
+ else
+ {
+ /*
+ * There are no features. Send packet to TX node for sw_if_index0
+ * This is a little tricky in that the output interface next node indexes
+ * are not precomputed at init time.
+ */
+
+ if (sw_if_index == *cached_sw_if_index)
+ {
+ /* We hit in the one-entry cache. Use it. */
+ *next0 = *cached_next_index;
+ }
+ else
+ {
+ /* Look up the output TX node */
+ *next0 = l2output_get_output_node (vlib_main,
+ vnet_main,
+ node_index,
+ sw_if_index,
+ &next_nodes->output_node_index_vec);
+
+ /* Update the one-entry cache */
+ *cached_sw_if_index = sw_if_index;
+ *cached_next_index = *next0;
+ }
}
- }
}
-// Get a pointer to the config for the given interface
-l2_output_config_t * l2output_intf_config (u32 sw_if_index);
+/** Get a pointer to the config for the given interface */
+l2_output_config_t *l2output_intf_config (u32 sw_if_index);
-// Enable (or disable) the feature in the bitmap for the given interface
+/** Enable (or disable) the feature in the bitmap for the given interface */
void l2output_intf_bitmap_enable (u32 sw_if_index,
- u32 feature_bitmap,
- u32 enable);
+ u32 feature_bitmap, u32 enable);
#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vppinfra/cache.h>
-typedef struct {
- // Next nodes for features and output interfaces
+typedef struct
+{
+ /* Next nodes for features and output interfaces */
l2_output_next_nodes_st next_nodes;
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2_outacl_main_t;
-typedef struct {
- /* per-pkt trace data */
+typedef struct
+{
+ /* per-pkt trace data */
u8 src[6];
u8 dst[6];
u32 next_index;
} l2_outacl_trace_t;
/* packet trace format function */
-static u8 * format_l2_outacl_trace (u8 * s, va_list * args)
+static u8 *
+format_l2_outacl_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2_outacl_trace_t * t = va_arg (*args, l2_outacl_trace_t *);
-
+ l2_outacl_trace_t *t = va_arg (*args, l2_outacl_trace_t *);
+
s = format (s, "l2-output-acl: sw_if_index %d dst %U src %U",
t->sw_if_index,
- format_ethernet_address, t->dst,
- format_ethernet_address, t->src);
+ format_ethernet_address, t->dst,
+ format_ethernet_address, t->src);
return s;
}
_(L2_OUTACL, "L2 output ACL packets") \
_(DROP, "L2 output drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2_OUTACL_ERROR_##sym,
foreach_l2_outacl_error
#undef _
- L2_OUTACL_N_ERROR,
+ L2_OUTACL_N_ERROR,
} l2_outacl_error_t;
-static char * l2_outacl_error_strings[] = {
+static char *l2_outacl_error_strings[] = {
#define _(sym,string) string,
foreach_l2_outacl_error
#undef _
};
-typedef enum {
+typedef enum
+{
L2_OUTACL_NEXT_DROP,
L2_OUTACL_N_NEXT,
} l2_outacl_next_t;
static uword
l2_outacl_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2_outacl_next_t next_index;
- l2_outacl_main_t * msm = &l2_outacl_main;
+ l2_outacl_main_t *msm = &l2_outacl_main;
vlib_node_t *n = vlib_get_node (vm, l2_outacl_node.index);
u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
- u32 cached_sw_if_index = (u32)~0;
- u32 cached_next_index = (u32)~0;
+ vlib_error_main_t *em = &vm->error_main;
+ u32 cached_sw_if_index = (u32) ~ 0;
+ u32 cached_next_index = (u32) ~ 0;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (0 && n_left_from >= 4 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
- ethernet_header_t * h0, * h1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+ ethernet_header_t *h0, *h1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
-
+ vlib_buffer_t *p2, *p3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
-
+
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
}
- /* speculatively enqueue b0 and b1 to the current next frame */
- /* bi is "buffer index", b is pointer to the buffer */
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ /* bi is "buffer index", b is pointer to the buffer */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
-
- /* TX interface handles */
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_TX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_TX];
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2_outacl_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->next_index = next0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2_outacl_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- t->next_index = next1;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- }
- }
-
- em->counters[node_counter_base_index + L2_OUTACL_ERROR_L2_OUTACL] += 2;
-
- /* add core loop code here */
-
- /* verify speculative enqueues, maybe switch current next frame */
- /* if next0==next1==next_index then nothing special needs to be done */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+
+ /* TX interface handles */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_TX];
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_outacl_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->next_index = next0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_outacl_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ t->next_index = next1;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ }
+ }
+
+ em->counters[node_counter_base_index + L2_OUTACL_ERROR_L2_OUTACL] +=
+ 2;
+
+ /* add core loop code here */
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ /* if next0==next1==next_index then nothing special needs to be done */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
- ethernet_header_t * h0;
- u32 feature_bitmap0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+ ethernet_header_t *h0;
+ u32 feature_bitmap0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- h0 = vlib_buffer_get_current (b0);
-
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_TX];
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- l2_outacl_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- }
-
- em->counters[node_counter_base_index + L2_OUTACL_ERROR_L2_OUTACL] += 1;
-
- // L2_OUTACL code
- // Dummy for now, just go to next feature node
-
-
- // Remove ourself from the feature bitmap
- feature_bitmap0 = vnet_buffer(b0)->l2.feature_bitmap & ~L2OUTPUT_FEAT_ACL;
-
- // Determine next node
- l2_output_dispatch (msm->vlib_main,
- msm->vnet_main,
- node,
- l2_outacl_node.index,
- &cached_sw_if_index,
- &cached_next_index,
- &msm->next_nodes,
- b0,
- sw_if_index0,
- feature_bitmap0,
- &next0);
-
- /* verify speculative enqueue, maybe switch current next frame */
+ h0 = vlib_buffer_get_current (b0);
+
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_outacl_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ }
+
+ em->counters[node_counter_base_index + L2_OUTACL_ERROR_L2_OUTACL] +=
+ 1;
+
+ /*
+ * L2_OUTACL code
+ * Dummy for now, just go to next feature node
+ */
+
+
+ /* Remove ourself from the feature bitmap */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2OUTPUT_FEAT_ACL;
+
+ /* Determine next node */
+ l2_output_dispatch (msm->vlib_main,
+ msm->vnet_main,
+ node,
+ l2_outacl_node.index,
+ &cached_sw_if_index,
+ &cached_next_index,
+ &msm->next_nodes,
+ b0, sw_if_index0, feature_bitmap0, &next0);
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_outacl_node,static) = {
.function = l2_outacl_node_fn,
.name = "l2-output-acl",
.vector_size = sizeof (u32),
.format_trace = format_l2_outacl_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2_outacl_error_strings),
.error_strings = l2_outacl_error_strings,
[L2_OUTACL_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2_outacl_node, l2_outacl_node_fn)
-
-clib_error_t *l2_outacl_init (vlib_main_t *vm)
+ clib_error_t *l2_outacl_init (vlib_main_t * vm)
{
- l2_outacl_main_t * mp = &l2_outacl_main;
-
+ l2_outacl_main_t *mp = &l2_outacl_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
- // Initialize the feature next-node indexes
- feat_bitmap_init_next_nodes(vm,
- l2_outacl_node.index,
- L2OUTPUT_N_FEAT,
- l2output_get_feat_names(),
- mp->next_nodes.feat_next_node_index);
+ /* Initialize the feature next-node indexes */
+ feat_bitmap_init_next_nodes (vm,
+ l2_outacl_node.index,
+ L2OUTPUT_N_FEAT,
+ l2output_get_feat_names (),
+ mp->next_nodes.feat_next_node_index);
- // Initialize the output node mapping table
- l2output_init_output_node_vec(&mp->next_nodes.output_node_index_vec);
+ /* Initialize the output node mapping table */
+ l2output_init_output_node_vec (&mp->next_nodes.output_node_index_vec);
return 0;
}
VLIB_INIT_FUNCTION (l2_outacl_init);
#if 0
-/** @todo maybe someone will add output ACL's in the future */
-// set subinterface outacl enable/disable
-// The CLI format is:
-// set interface acl output <interface> [disable]
+/** @todo maybe someone will add output ACL's in the future
+ * set subinterface outacl enable/disable
+ * The CLI format is:
+ * set interface acl output <interface> [disable]
+ */
static clib_error_t *
int_l2_outacl (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index;
u32 enable;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
enable = 1;
- if (unformat (input, "disable")) {
- enable = 0;
- }
+ if (unformat (input, "disable"))
+ {
+ enable = 0;
+ }
- // set the interface flag
- l2output_intf_bitmap_enable(sw_if_index, L2OUTPUT_FEAT_ACL, enable);
+ /* set the interface flag */
+ l2output_intf_bitmap_enable (sw_if_index, L2OUTPUT_FEAT_ACL, enable);
- done:
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_l2_outacl_cli, static) = {
.path = "set interface acl output",
.short_help = "set interface acl output <interface> [disable]",
.function = int_l2_outacl,
};
+/* *INDENT-ON* */
#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/ethernet/ethernet.h>
#include <vppinfra/error.h>
-typedef struct {
+typedef struct
+{
u32 cached_next_index;
u32 cached_rx_sw_if_index;
u32 *tx_sw_if_index_by_rx_sw_if_index;
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2_patch_main_t;
-typedef struct {
+typedef struct
+{
u32 rx_sw_if_index;
u32 tx_sw_if_index;
} l2_patch_trace_t;
/* packet trace format function */
-static u8 * format_l2_patch_trace (u8 * s, va_list * args)
+static u8 *
+format_l2_patch_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2_patch_trace_t * t = va_arg (*args, l2_patch_trace_t *);
-
+ l2_patch_trace_t *t = va_arg (*args, l2_patch_trace_t *);
+
s = format (s, "L2_PATCH: rx %d tx %d", t->rx_sw_if_index,
- t->tx_sw_if_index);
+ t->tx_sw_if_index);
return s;
}
_(PATCHED, "L2 patch packets") \
_(DROPPED, "L2 patch misconfigured drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2_PATCH_ERROR_##sym,
foreach_l2_patch_error
#undef _
- L2_PATCH_N_ERROR,
+ L2_PATCH_N_ERROR,
} l2_patch_error_t;
-static char * l2_patch_error_strings[] = {
+static char *l2_patch_error_strings[] = {
#define _(sym,string) string,
foreach_l2_patch_error
#undef _
};
-typedef enum {
+typedef enum
+{
L2_PATCH_NEXT_DROP,
L2_PATCH_N_NEXT,
} l2_patch_next_t;
static uword
l2_patch_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2_patch_next_t next_index;
- l2_patch_main_t * l2pm = &l2_patch_main;
+ l2_patch_main_t *l2pm = &l2_patch_main;
vlib_node_t *n = vlib_get_node (vm, l2_patch_node.index);
u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
+ vlib_error_main_t *em = &vm->error_main;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
{
u32 n_left_to_next;
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
-
+ vlib_buffer_t *p2, *p3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
-
+
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
- /* So stupid / simple, we don't need to prefetch data */
+ /* So stupid / simple, we don't need to prefetch data */
}
- /* speculatively enqueue b0 and b1 to the current next frame */
+ /* speculatively enqueue b0 and b1 to the current next frame */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
- ASSERT(l2pm->tx_next_by_rx_sw_if_index[sw_if_index0] != ~0);
- ASSERT(l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index0] != ~0);
- ASSERT(l2pm->tx_next_by_rx_sw_if_index[sw_if_index1] != ~0);
- ASSERT(l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index1] != ~0);
-
- if (PREDICT_TRUE (sw_if_index0 == l2pm->cached_rx_sw_if_index))
- next0 = l2pm->cached_next_index;
- else
- {
- next0 = l2pm->tx_next_by_rx_sw_if_index[sw_if_index0];
- l2pm->cached_rx_sw_if_index = sw_if_index0;
- l2pm->cached_next_index = next0;
- }
-
- if (PREDICT_TRUE (sw_if_index1 == l2pm->cached_rx_sw_if_index))
- next1 = l2pm->cached_next_index;
- else
- next1 = l2pm->tx_next_by_rx_sw_if_index [sw_if_index1];
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2_patch_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->rx_sw_if_index = sw_if_index0;
- t->tx_sw_if_index =
- l2pm->tx_sw_if_index_by_rx_sw_if_index [sw_if_index0];
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2_patch_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->rx_sw_if_index = sw_if_index1;
- t->tx_sw_if_index =
- l2pm->tx_sw_if_index_by_rx_sw_if_index [sw_if_index1];
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+
+ ASSERT (l2pm->tx_next_by_rx_sw_if_index[sw_if_index0] != ~0);
+ ASSERT (l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index0] != ~0);
+ ASSERT (l2pm->tx_next_by_rx_sw_if_index[sw_if_index1] != ~0);
+ ASSERT (l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index1] != ~0);
+
+ if (PREDICT_TRUE (sw_if_index0 == l2pm->cached_rx_sw_if_index))
+ next0 = l2pm->cached_next_index;
+ else
+ {
+ next0 = l2pm->tx_next_by_rx_sw_if_index[sw_if_index0];
+ l2pm->cached_rx_sw_if_index = sw_if_index0;
+ l2pm->cached_next_index = next0;
+ }
+
+ if (PREDICT_TRUE (sw_if_index1 == l2pm->cached_rx_sw_if_index))
+ next1 = l2pm->cached_next_index;
+ else
+ next1 = l2pm->tx_next_by_rx_sw_if_index[sw_if_index1];
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_patch_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->rx_sw_if_index = sw_if_index0;
+ t->tx_sw_if_index =
+ l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index0];
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_patch_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->rx_sw_if_index = sw_if_index1;
+ t->tx_sw_if_index =
+ l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index1];
+ }
+ }
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
- /* speculatively enqueue b0 to the current next frame */
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-
- ASSERT(l2pm->tx_next_by_rx_sw_if_index[sw_if_index0] != ~0);
- ASSERT(l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index0] != ~0);
-
- if (PREDICT_TRUE (sw_if_index0 == l2pm->cached_rx_sw_if_index))
- next0 = l2pm->cached_next_index;
- else
- {
- next0 = l2pm->tx_next_by_rx_sw_if_index [sw_if_index0];
- l2pm->cached_rx_sw_if_index = sw_if_index0;
- l2pm->cached_next_index = next0;
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- l2_patch_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->rx_sw_if_index = sw_if_index0;
- t->tx_sw_if_index =
- l2pm->tx_sw_if_index_by_rx_sw_if_index [sw_if_index0];
- }
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ ASSERT (l2pm->tx_next_by_rx_sw_if_index[sw_if_index0] != ~0);
+ ASSERT (l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index0] != ~0);
+
+ if (PREDICT_TRUE (sw_if_index0 == l2pm->cached_rx_sw_if_index))
+ next0 = l2pm->cached_next_index;
+ else
+ {
+ next0 = l2pm->tx_next_by_rx_sw_if_index[sw_if_index0];
+ l2pm->cached_rx_sw_if_index = sw_if_index0;
+ l2pm->cached_next_index = next0;
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_patch_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->rx_sw_if_index = sw_if_index0;
+ t->tx_sw_if_index =
+ l2pm->tx_sw_if_index_by_rx_sw_if_index[sw_if_index0];
+ }
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- em->counters[node_counter_base_index + L2_PATCH_ERROR_PATCHED] +=
+ em->counters[node_counter_base_index + L2_PATCH_ERROR_PATCHED] +=
frame->n_vectors;
return frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_patch_node, static) = {
.function = l2_patch_node_fn,
.name = "l2_patch",
.vector_size = sizeof (u32),
.format_trace = format_l2_patch_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2_patch_error_strings),
.error_strings = l2_patch_error_strings,
[L2_PATCH_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2_patch_node, l2_patch_node_fn)
-
-int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index, int is_add)
+ int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
+ int is_add)
{
- l2_patch_main_t * l2pm = &l2_patch_main;
- vnet_hw_interface_t * rxhi, *txhi;
+ l2_patch_main_t *l2pm = &l2_patch_main;
+ vnet_hw_interface_t *rxhi, *txhi;
u32 tx_next_index;
- /*
+ /*
* We assume that the API msg handler has used 2x VALIDATE_SW_IF_INDEX
* macros...
*/
if (is_add)
{
tx_next_index = vlib_node_add_next (l2pm->vlib_main,
- l2_patch_node.index,
- txhi->output_node_index);
+ l2_patch_node.index,
+ txhi->output_node_index);
vec_validate_init_empty (l2pm->tx_next_by_rx_sw_if_index,
rx_sw_if_index, ~0);
-
+
l2pm->tx_next_by_rx_sw_if_index[rx_sw_if_index] = tx_next_index;
vec_validate_init_empty (l2pm->tx_sw_if_index_by_rx_sw_if_index,
rx_sw_if_index, ~0);
- l2pm->tx_sw_if_index_by_rx_sw_if_index[rx_sw_if_index]
- = txhi->sw_if_index;
-
- ethernet_set_flags (l2pm->vnet_main, rxhi->hw_if_index,
- ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
-
- vnet_hw_interface_rx_redirect_to_node (l2pm->vnet_main,
- rxhi->hw_if_index,
- l2_patch_node.index);
+ l2pm->tx_sw_if_index_by_rx_sw_if_index[rx_sw_if_index]
+ = txhi->sw_if_index;
+
+ ethernet_set_flags (l2pm->vnet_main, rxhi->hw_if_index,
+ ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
+
+ vnet_hw_interface_rx_redirect_to_node (l2pm->vnet_main,
+ rxhi->hw_if_index,
+ l2_patch_node.index);
}
else
{
- ethernet_set_flags (l2pm->vnet_main, rxhi->hw_if_index,
- 0 /* disable promiscuous mode */);
+ ethernet_set_flags (l2pm->vnet_main, rxhi->hw_if_index,
+ 0 /* disable promiscuous mode */ );
- vnet_hw_interface_rx_redirect_to_node (l2pm->vnet_main,
- rxhi->hw_if_index,
- ~0 /* disable */);
+ vnet_hw_interface_rx_redirect_to_node (l2pm->vnet_main,
+ rxhi->hw_if_index,
+ ~0 /* disable */ );
if (vec_len (l2pm->tx_next_by_rx_sw_if_index) > rx_sw_if_index)
- {
- l2pm->tx_next_by_rx_sw_if_index[rx_sw_if_index] = ~0;
- l2pm->tx_sw_if_index_by_rx_sw_if_index[rx_sw_if_index] = ~0;
- }
+ {
+ l2pm->tx_next_by_rx_sw_if_index[rx_sw_if_index] = ~0;
+ l2pm->tx_sw_if_index_by_rx_sw_if_index[rx_sw_if_index] = ~0;
+ }
}
-
+
return 0;
}
static clib_error_t *
test_patch_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- l2_patch_main_t * l2pm = &l2_patch_main;
- unformat_input_t _line_input, * line_input = &_line_input;
+ l2_patch_main_t *l2pm = &l2_patch_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
u32 rx_sw_if_index, tx_sw_if_index;
int rv;
int rx_set = 0;
int is_add = 1;
/* Get a line of input. */
- if (! unformat_user (input, unformat_line_input, line_input))
+ if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "rx %U", unformat_vnet_sw_interface,
- l2pm->vnet_main, &rx_sw_if_index))
- rx_set = 1;
+ l2pm->vnet_main, &rx_sw_if_index))
+ rx_set = 1;
else if (unformat (line_input, "tx %U", unformat_vnet_sw_interface,
- l2pm->vnet_main, &tx_sw_if_index))
- tx_set = 1;
+ l2pm->vnet_main, &tx_sw_if_index))
+ tx_set = 1;
else if (unformat (line_input, "del"))
- is_add = 0;
- else break;
+ is_add = 0;
+ else
+ break;
}
if (rx_set == 0)
return clib_error_return (0, "tx interface not a physical port");
default:
- return clib_error_return
- (0, "WARNING: vnet_l2_patch_add_del returned %d", rv);
+ return clib_error_return
+ (0, "WARNING: vnet_l2_patch_add_del returned %d", rv);
}
-
+
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (test_patch_command, static) = {
.path = "test l2patch",
- .short_help =
+ .short_help =
"rx <intfc> tx <intfc> [del]",
.function = test_patch_command_fn,
};
+/* *INDENT-ON* */
-// Display the contents of the l2patch table.
+/** Display the contents of the l2patch table. */
static clib_error_t *
-show_l2patch (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+show_l2patch (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- l2_patch_main_t * l2pm = &l2_patch_main;
+ l2_patch_main_t *l2pm = &l2_patch_main;
u32 rx_sw_if_index;
u32 no_entries = 1;
- ASSERT(vec_len(l2pm->tx_next_by_rx_sw_if_index) ==
- vec_len(l2pm->tx_sw_if_index_by_rx_sw_if_index));
-
- for (rx_sw_if_index = 0;
- rx_sw_if_index < vec_len (l2pm->tx_sw_if_index_by_rx_sw_if_index);
+ ASSERT (vec_len (l2pm->tx_next_by_rx_sw_if_index) ==
+ vec_len (l2pm->tx_sw_if_index_by_rx_sw_if_index));
+
+ for (rx_sw_if_index = 0;
+ rx_sw_if_index < vec_len (l2pm->tx_sw_if_index_by_rx_sw_if_index);
rx_sw_if_index++)
{
u32 tx_sw_if_index =
vlib_cli_output (vm, "%26U -> %U",
format_vnet_sw_if_index_name,
l2pm->vnet_main, rx_sw_if_index,
- format_vnet_sw_if_index_name,
- l2pm->vnet_main,tx_sw_if_index);
+ format_vnet_sw_if_index_name,
+ l2pm->vnet_main, tx_sw_if_index);
}
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_l2patch_cli, static) = {
.path = "show l2patch",
.short_help = "Show l2 interface cross-connect entries",
.function = show_l2patch,
};
+/* *INDENT-ON* */
-clib_error_t *l2_patch_init (vlib_main_t *vm)
+clib_error_t *
+l2_patch_init (vlib_main_t * vm)
{
- l2_patch_main_t * mp = &l2_patch_main;
-
+ l2_patch_main_t *mp = &l2_patch_main;
+
mp->vlib_main = vm;
- mp->vnet_main = vnet_get_main();
+ mp->vnet_main = vnet_get_main ();
return 0;
}
VLIB_INIT_FUNCTION (l2_patch_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
vlib_node_registration_t l2_rw_node;
-typedef struct {
+typedef struct
+{
u32 sw_if_index;
u32 classify_table_index;
u32 rewrite_entry_index;
} l2_rw_trace_t;
-static u8 *format_l2_rw_entry (u8 * s, va_list *args)
+static u8 *
+format_l2_rw_entry (u8 * s, va_list * args)
{
l2_rw_entry_t *e = va_arg (*args, l2_rw_entry_t *);
l2_rw_main_t *rw = &l2_rw_main;
s = format (s, "%d - mask:%U value:%U\n",
- e - rw->entries,
- format_hex_bytes, e->mask, e->rewrite_n_vectors * sizeof(u32x4),
- format_hex_bytes, e->value, e->rewrite_n_vectors * sizeof(u32x4));
- s = format (s, " hits:%d skip_bytes:%d",
- e->hit_count, e->skip_n_vectors * sizeof(u32x4));
+ e - rw->entries,
+ format_hex_bytes, e->mask,
+ e->rewrite_n_vectors * sizeof (u32x4), format_hex_bytes,
+ e->value, e->rewrite_n_vectors * sizeof (u32x4));
+ s =
+ format (s, " hits:%d skip_bytes:%d", e->hit_count,
+ e->skip_n_vectors * sizeof (u32x4));
return s;
}
-static u8 *format_l2_rw_config (u8 * s, va_list *args)
+static u8 *
+format_l2_rw_config (u8 * s, va_list * args)
{
l2_rw_config_t *c = va_arg (*args, l2_rw_config_t *);
- return format(s, "table-index:%d miss-index:%d",
- c->table_index,
- c->miss_index);
+ return format (s, "table-index:%d miss-index:%d",
+ c->table_index, c->miss_index);
}
/* packet trace format function */
-static u8 *format_l2_rw_trace (u8 * s, va_list * args)
+static u8 *
+format_l2_rw_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2_rw_trace_t * t = va_arg (*args, l2_rw_trace_t *);
+ l2_rw_trace_t *t = va_arg (*args, l2_rw_trace_t *);
return format (s, "l2-rw: sw_if_index %d, table %d, entry %d",
- t->sw_if_index, t->classify_table_index,
- t->rewrite_entry_index);
+ t->sw_if_index, t->classify_table_index,
+ t->rewrite_entry_index);
}
-always_inline l2_rw_config_t *l2_rw_get_config(u32 sw_if_index)
+always_inline l2_rw_config_t *
+l2_rw_get_config (u32 sw_if_index)
{
l2_rw_main_t *rw = &l2_rw_main;
- if (PREDICT_FALSE(!clib_bitmap_get(rw->configs_bitmap, sw_if_index))) {
- vec_validate(rw->configs, sw_if_index);
- rw->configs[sw_if_index].table_index = ~0;
- rw->configs[sw_if_index].miss_index = ~0;
- rw->configs_bitmap = clib_bitmap_set(rw->configs_bitmap, sw_if_index, 1);
- }
+ if (PREDICT_FALSE (!clib_bitmap_get (rw->configs_bitmap, sw_if_index)))
+ {
+ vec_validate (rw->configs, sw_if_index);
+ rw->configs[sw_if_index].table_index = ~0;
+ rw->configs[sw_if_index].miss_index = ~0;
+ rw->configs_bitmap =
+ clib_bitmap_set (rw->configs_bitmap, sw_if_index, 1);
+ }
return &rw->configs[sw_if_index];
}
-static_always_inline void l2_rw_rewrite(l2_rw_entry_t *rwe, u8 *h)
+static_always_inline void
+l2_rw_rewrite (l2_rw_entry_t * rwe, u8 * h)
{
- if (U32X4_ALIGNED(h)) {
- u32x4 *d = ((u32x4 *) h) + rwe->skip_n_vectors;
- switch(rwe->rewrite_n_vectors) {
- case 5:
- d[4] = (d[4] & ~rwe->mask[4]) | rwe->value[4];
- /* FALLTHROUGH */
- case 4:
- d[3] = (d[3] & ~rwe->mask[3]) | rwe->value[3];
- /* FALLTHROUGH */
- case 3:
- d[2] = (d[2] & ~rwe->mask[2]) | rwe->value[2];
- /* FALLTHROUGH */
- case 2:
- d[1] = (d[1] & ~rwe->mask[1]) | rwe->value[1];
- /* FALLTHROUGH */
- case 1:
- d[0] = (d[0] & ~rwe->mask[0]) | rwe->value[0];
- break;
- default:
- abort();
+ if (U32X4_ALIGNED (h))
+ {
+ u32x4 *d = ((u32x4 *) h) + rwe->skip_n_vectors;
+ switch (rwe->rewrite_n_vectors)
+ {
+ case 5:
+ d[4] = (d[4] & ~rwe->mask[4]) | rwe->value[4];
+ /* FALLTHROUGH */
+ case 4:
+ d[3] = (d[3] & ~rwe->mask[3]) | rwe->value[3];
+ /* FALLTHROUGH */
+ case 3:
+ d[2] = (d[2] & ~rwe->mask[2]) | rwe->value[2];
+ /* FALLTHROUGH */
+ case 2:
+ d[1] = (d[1] & ~rwe->mask[1]) | rwe->value[1];
+ /* FALLTHROUGH */
+ case 1:
+ d[0] = (d[0] & ~rwe->mask[0]) | rwe->value[0];
+ break;
+ default:
+ abort ();
+ }
}
- } else {
- u64 *d = ((u64 *) h) + rwe->skip_n_vectors * 2;
- switch(rwe->rewrite_n_vectors) {
- case 5:
- d[8] = (d[8] & ~(((u64*)rwe->mask)[8])) | (((u64*)rwe->value)[8]);
- d[9] = (d[9] & ~(((u64*)rwe->mask)[9])) | (((u64*)rwe->value)[9]);
- /* FALLTHROUGH */
- case 4:
- d[6] = (d[6] & ~(((u64*)rwe->mask)[6])) | (((u64*)rwe->value)[6]);
- d[7] = (d[7] & ~(((u64*)rwe->mask)[7])) | (((u64*)rwe->value)[7]);
- /* FALLTHROUGH */
- case 3:
- d[4] = (d[4] & ~(((u64*)rwe->mask)[4])) | (((u64*)rwe->value)[4]);
- d[5] = (d[5] & ~(((u64*)rwe->mask)[5])) | (((u64*)rwe->value)[5]);
- /* FALLTHROUGH */
- case 2:
- d[2] = (d[2] & ~(((u64*)rwe->mask)[2])) | (((u64*)rwe->value)[2]);
- d[3] = (d[3] & ~(((u64*)rwe->mask)[3])) | (((u64*)rwe->value)[3]);
- /* FALLTHROUGH */
- case 1:
- d[0] = (d[0] & ~(((u64*)rwe->mask)[0])) | (((u64*)rwe->value)[0]);
- d[1] = (d[1] & ~(((u64*)rwe->mask)[1])) | (((u64*)rwe->value)[1]);
- break;
- default:
- abort();
+ else
+ {
+ u64 *d = ((u64 *) h) + rwe->skip_n_vectors * 2;
+ switch (rwe->rewrite_n_vectors)
+ {
+ case 5:
+ d[8] =
+ (d[8] & ~(((u64 *) rwe->mask)[8])) | (((u64 *) rwe->value)[8]);
+ d[9] =
+ (d[9] & ~(((u64 *) rwe->mask)[9])) | (((u64 *) rwe->value)[9]);
+ /* FALLTHROUGH */
+ case 4:
+ d[6] =
+ (d[6] & ~(((u64 *) rwe->mask)[6])) | (((u64 *) rwe->value)[6]);
+ d[7] =
+ (d[7] & ~(((u64 *) rwe->mask)[7])) | (((u64 *) rwe->value)[7]);
+ /* FALLTHROUGH */
+ case 3:
+ d[4] =
+ (d[4] & ~(((u64 *) rwe->mask)[4])) | (((u64 *) rwe->value)[4]);
+ d[5] =
+ (d[5] & ~(((u64 *) rwe->mask)[5])) | (((u64 *) rwe->value)[5]);
+ /* FALLTHROUGH */
+ case 2:
+ d[2] =
+ (d[2] & ~(((u64 *) rwe->mask)[2])) | (((u64 *) rwe->value)[2]);
+ d[3] =
+ (d[3] & ~(((u64 *) rwe->mask)[3])) | (((u64 *) rwe->value)[3]);
+ /* FALLTHROUGH */
+ case 1:
+ d[0] =
+ (d[0] & ~(((u64 *) rwe->mask)[0])) | (((u64 *) rwe->value)[0]);
+ d[1] =
+ (d[1] & ~(((u64 *) rwe->mask)[1])) | (((u64 *) rwe->value)[1]);
+ break;
+ default:
+ abort ();
+ }
}
- }
}
static uword
-l2_rw_node_fn(vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+l2_rw_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
l2_rw_main_t *rw = &l2_rw_main;
- u32 n_left_from, * from, * to_next, next_index;
- //vlib_node_t *n = vlib_get_node(vm, node->node_index);
+ u32 n_left_from, *from, *to_next, next_index;
vnet_classify_main_t *vcm = &vnet_classify_main;
- f64 now = vlib_time_now(vlib_get_main());
+ f64 now = vlib_time_now (vlib_get_main ());
u32 prefetch_size = 0;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- /* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
-
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 bi0, next0, sw_if_index0, feature_bitmap0, rwe_index0;
- u32 bi1, next1, sw_if_index1, feature_bitmap1, rwe_index1;
- vlib_buffer_t *b0, *b1;
- ethernet_header_t *h0, *h1;
- l2_rw_config_t *config0, *config1;
- u64 hash0, hash1;
- vnet_classify_table_t *t0, *t1;
- vnet_classify_entry_t *e0, *e1;
- l2_rw_entry_t *rwe0, *rwe1;
-
- {
- vlib_buffer_t * p2, * p3;
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
- CLIB_PREFETCH (vlib_buffer_get_current(p2), prefetch_size, LOAD);
- CLIB_PREFETCH (vlib_buffer_get_current(p3), prefetch_size, LOAD);
- }
-
- bi0 = from[0];
- bi1 = from[1];
- to_next[0] = bi0;
- to_next[1] = bi1;
- from += 2;
- to_next += 2;
- n_left_from -= 2;
- n_left_to_next -= 2;
-
- b0 = vlib_get_buffer(vm, bi0);
- b1 = vlib_get_buffer(vm, bi1);
- h0 = vlib_buffer_get_current(b0);
- h1 = vlib_buffer_get_current(b1);
-
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
- config0 = l2_rw_get_config(sw_if_index0); //TODO: check sw_if_index0 value
- config1 = l2_rw_get_config(sw_if_index1); //TODO: check sw_if_index0 value
- t0 = pool_elt_at_index(vcm->tables, config0->table_index);
- t1 = pool_elt_at_index(vcm->tables, config1->table_index);
- prefetch_size = (t1->skip_n_vectors + t1->match_n_vectors)*sizeof(u32x4);
-
- hash0 = vnet_classify_hash_packet(t0, (u8 *)h0);
- hash1 = vnet_classify_hash_packet(t1, (u8 *)h1);
- e0 = vnet_classify_find_entry(t0, (u8 *) h0, hash0, now);
- e1 = vnet_classify_find_entry(t1, (u8 *) h1, hash1, now);
-
- while (!e0 && (t0->next_table_index != ~0)) {
- t0 = pool_elt_at_index(vcm->tables, t0->next_table_index);
- hash0 = vnet_classify_hash_packet(t0, (u8 *)h0);
- e0 = vnet_classify_find_entry(t0, (u8 *) h0, hash0, now);
- }
-
- while (!e1 && (t1->next_table_index != ~0)) {
- t1 = pool_elt_at_index(vcm->tables, t1->next_table_index);
- hash1 = vnet_classify_hash_packet(t1, (u8 *)h1);
- e1 = vnet_classify_find_entry(t1, (u8 *) h1, hash1, now);
- }
-
- rwe_index0 = e0?e0->opaque_index:config0->miss_index;
- rwe_index1 = e1?e1->opaque_index:config1->miss_index;
-
- if (rwe_index0 != ~0) {
- rwe0 = pool_elt_at_index(rw->entries, rwe_index0);
- l2_rw_rewrite(rwe0, (u8 *)h0);
- }
- if (rwe_index1 != ~0) {
- rwe1 = pool_elt_at_index(rw->entries, rwe_index1);
- l2_rw_rewrite(rwe1, (u8 *)h1);
- }
-
- if (PREDICT_FALSE((b0->flags & VLIB_BUFFER_IS_TRACED))) {
- l2_rw_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->classify_table_index = config0->table_index;
- t->rewrite_entry_index = rwe_index0;
- }
-
- if (PREDICT_FALSE((b1->flags & VLIB_BUFFER_IS_TRACED))) {
- l2_rw_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->sw_if_index = sw_if_index1;
- t->classify_table_index = config1->table_index;
- t->rewrite_entry_index = rwe_index1;
- }
-
- // Update feature bitmap and get next feature index
- feature_bitmap0 = vnet_buffer(b0)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
- feature_bitmap1 = vnet_buffer(b1)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap0;
- vnet_buffer(b1)->l2.feature_bitmap = feature_bitmap1;
- next0 = feat_bitmap_get_next_node_index(rw->feat_next_node_index,
- feature_bitmap0);
- next1 = feat_bitmap_get_next_node_index(rw->feat_next_node_index,
- feature_bitmap1);
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
- while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0, next0, sw_if_index0, feature_bitmap0, rwe_index0;
- vlib_buffer_t *b0;
- ethernet_header_t *h0;
- l2_rw_config_t *config0;
- u64 hash0;
- vnet_classify_table_t *t0;
- vnet_classify_entry_t *e0;
- l2_rw_entry_t *rwe0;
-
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer(vm, bi0);
- h0 = vlib_buffer_get_current(b0);
-
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- config0 = l2_rw_get_config(sw_if_index0); //TODO: check sw_if_index0 value
- t0 = pool_elt_at_index(vcm->tables, config0->table_index);
-
- hash0 = vnet_classify_hash_packet(t0, (u8 *)h0);
- e0 = vnet_classify_find_entry(t0, (u8 *) h0, hash0, now);
-
- while (!e0 && (t0->next_table_index != ~0)) {
- t0 = pool_elt_at_index(vcm->tables, t0->next_table_index);
- hash0 = vnet_classify_hash_packet(t0, (u8 *)h0);
- e0 = vnet_classify_find_entry(t0, (u8 *) h0, hash0, now);
- }
-
- rwe_index0 = e0?e0->opaque_index:config0->miss_index;
-
- if (rwe_index0 != ~0) {
- rwe0 = pool_elt_at_index(rw->entries, rwe_index0);
- l2_rw_rewrite(rwe0, (u8 *)h0);
- }
-
- if (PREDICT_FALSE((b0->flags & VLIB_BUFFER_IS_TRACED))) {
- l2_rw_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->classify_table_index = config0->table_index;
- t->rewrite_entry_index = rwe_index0;
- }
-
- // Update feature bitmap and get next feature index
- feature_bitmap0 = vnet_buffer(b0)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap0;
- next0 = feat_bitmap_get_next_node_index(rw->feat_next_node_index,
- feature_bitmap0);
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
+ u32 n_left_to_next;
+
+ /* get space to enqueue frame to graph node "next_index" */
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
+ while (n_left_from >= 4 && n_left_to_next >= 2)
+ {
+ u32 bi0, next0, sw_if_index0, feature_bitmap0, rwe_index0;
+ u32 bi1, next1, sw_if_index1, feature_bitmap1, rwe_index1;
+ vlib_buffer_t *b0, *b1;
+ ethernet_header_t *h0, *h1;
+ l2_rw_config_t *config0, *config1;
+ u64 hash0, hash1;
+ vnet_classify_table_t *t0, *t1;
+ vnet_classify_entry_t *e0, *e1;
+ l2_rw_entry_t *rwe0, *rwe1;
+
+ {
+ vlib_buffer_t *p2, *p3;
+ p2 = vlib_get_buffer (vm, from[2]);
+ p3 = vlib_get_buffer (vm, from[3]);
+
+ vlib_prefetch_buffer_header (p2, LOAD);
+ vlib_prefetch_buffer_header (p3, LOAD);
+ CLIB_PREFETCH (vlib_buffer_get_current (p2), prefetch_size, LOAD);
+ CLIB_PREFETCH (vlib_buffer_get_current (p3), prefetch_size, LOAD);
+ }
+
+ bi0 = from[0];
+ bi1 = from[1];
+ to_next[0] = bi0;
+ to_next[1] = bi1;
+ from += 2;
+ to_next += 2;
+ n_left_from -= 2;
+ n_left_to_next -= 2;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+ h0 = vlib_buffer_get_current (b0);
+ h1 = vlib_buffer_get_current (b1);
+
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+ config0 = l2_rw_get_config (sw_if_index0); /*TODO: check sw_if_index0 value */
+ config1 = l2_rw_get_config (sw_if_index1); /*TODO: check sw_if_index0 value */
+ t0 = pool_elt_at_index (vcm->tables, config0->table_index);
+ t1 = pool_elt_at_index (vcm->tables, config1->table_index);
+ prefetch_size =
+ (t1->skip_n_vectors + t1->match_n_vectors) * sizeof (u32x4);
+
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ hash1 = vnet_classify_hash_packet (t1, (u8 *) h1);
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ e1 = vnet_classify_find_entry (t1, (u8 *) h1, hash1, now);
+
+ while (!e0 && (t0->next_table_index != ~0))
+ {
+ t0 = pool_elt_at_index (vcm->tables, t0->next_table_index);
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ }
+
+ while (!e1 && (t1->next_table_index != ~0))
+ {
+ t1 = pool_elt_at_index (vcm->tables, t1->next_table_index);
+ hash1 = vnet_classify_hash_packet (t1, (u8 *) h1);
+ e1 = vnet_classify_find_entry (t1, (u8 *) h1, hash1, now);
+ }
+
+ rwe_index0 = e0 ? e0->opaque_index : config0->miss_index;
+ rwe_index1 = e1 ? e1->opaque_index : config1->miss_index;
+
+ if (rwe_index0 != ~0)
+ {
+ rwe0 = pool_elt_at_index (rw->entries, rwe_index0);
+ l2_rw_rewrite (rwe0, (u8 *) h0);
+ }
+ if (rwe_index1 != ~0)
+ {
+ rwe1 = pool_elt_at_index (rw->entries, rwe_index1);
+ l2_rw_rewrite (rwe1, (u8 *) h1);
+ }
+
+ if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_rw_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->classify_table_index = config0->table_index;
+ t->rewrite_entry_index = rwe_index0;
+ }
+
+ if (PREDICT_FALSE ((b1->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_rw_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ t->classify_table_index = config1->table_index;
+ t->rewrite_entry_index = rwe_index1;
+ }
+
+ /* Update feature bitmap and get next feature index */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
+ feature_bitmap1 =
+ vnet_buffer (b1)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap0;
+ vnet_buffer (b1)->l2.feature_bitmap = feature_bitmap1;
+ next0 = feat_bitmap_get_next_node_index (rw->feat_next_node_index,
+ feature_bitmap0);
+ next1 = feat_bitmap_get_next_node_index (rw->feat_next_node_index,
+ feature_bitmap1);
+
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 bi0, next0, sw_if_index0, feature_bitmap0, rwe_index0;
+ vlib_buffer_t *b0;
+ ethernet_header_t *h0;
+ l2_rw_config_t *config0;
+ u64 hash0;
+ vnet_classify_table_t *t0;
+ vnet_classify_entry_t *e0;
+ l2_rw_entry_t *rwe0;
+
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ h0 = vlib_buffer_get_current (b0);
+
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ config0 = l2_rw_get_config (sw_if_index0); /*TODO: check sw_if_index0 value */
+ t0 = pool_elt_at_index (vcm->tables, config0->table_index);
+
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+
+ while (!e0 && (t0->next_table_index != ~0))
+ {
+ t0 = pool_elt_at_index (vcm->tables, t0->next_table_index);
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ }
+
+ rwe_index0 = e0 ? e0->opaque_index : config0->miss_index;
+
+ if (rwe_index0 != ~0)
+ {
+ rwe0 = pool_elt_at_index (rw->entries, rwe_index0);
+ l2_rw_rewrite (rwe0, (u8 *) h0);
+ }
+
+ if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_rw_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->classify_table_index = config0->table_index;
+ t->rewrite_entry_index = rwe_index0;
+ }
+
+ /* Update feature bitmap and get next feature index */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap0;
+ next0 = feat_bitmap_get_next_node_index (rw->feat_next_node_index,
+ feature_bitmap0);
+
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, next0);
+ }
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
return frame->n_vectors;
}
-int l2_rw_mod_entry(u32 *index,
- u8 *mask, u8 *value, u32 len,
- u32 skip, u8 is_del)
+int
+l2_rw_mod_entry (u32 * index,
+ u8 * mask, u8 * value, u32 len, u32 skip, u8 is_del)
{
l2_rw_main_t *rw = &l2_rw_main;
l2_rw_entry_t *e = 0;
- if (*index != ~0) {
- if (pool_is_free_index(rw->entries, *index)) {
- return -1;
+ if (*index != ~0)
+ {
+ if (pool_is_free_index (rw->entries, *index))
+ {
+ return -1;
+ }
+ e = pool_elt_at_index (rw->entries, *index);
+ }
+ else
+ {
+ pool_get (rw->entries, e);
+ *index = e - rw->entries;
}
- e = pool_elt_at_index(rw->entries, *index);
- } else {
- pool_get(rw->entries, e);
- *index = e - rw->entries;
- }
if (!e)
return -1;
- if (is_del) {
- pool_put(rw->entries, e);
- return 0;
- }
+ if (is_del)
+ {
+ pool_put (rw->entries, e);
+ return 0;
+ }
- e->skip_n_vectors = skip / sizeof(u32x4);
- skip -= e->skip_n_vectors * sizeof(u32x4);
- e->rewrite_n_vectors = (skip + len - 1) / sizeof(u32x4) + 1;
- vec_alloc_aligned(e->mask, e->rewrite_n_vectors, sizeof(u32x4));
- memset(e->mask, 0, e->rewrite_n_vectors * sizeof(u32x4));
- vec_alloc_aligned(e->value, e->rewrite_n_vectors, sizeof(u32x4));
- memset(e->value, 0, e->rewrite_n_vectors * sizeof(u32x4));
+ e->skip_n_vectors = skip / sizeof (u32x4);
+ skip -= e->skip_n_vectors * sizeof (u32x4);
+ e->rewrite_n_vectors = (skip + len - 1) / sizeof (u32x4) + 1;
+ vec_alloc_aligned (e->mask, e->rewrite_n_vectors, sizeof (u32x4));
+ memset (e->mask, 0, e->rewrite_n_vectors * sizeof (u32x4));
+ vec_alloc_aligned (e->value, e->rewrite_n_vectors, sizeof (u32x4));
+ memset (e->value, 0, e->rewrite_n_vectors * sizeof (u32x4));
- clib_memcpy(((u8 *)e->value) + skip, value, len);
- clib_memcpy(((u8 *)e->mask) + skip, mask, len);
+ clib_memcpy (((u8 *) e->value) + skip, value, len);
+ clib_memcpy (((u8 *) e->mask) + skip, mask, len);
int i;
- for (i = 0; i < e->rewrite_n_vectors; i++) {
- e->value[i] &= e->mask[i];
- }
+ for (i = 0; i < e->rewrite_n_vectors; i++)
+ {
+ e->value[i] &= e->mask[i];
+ }
return 0;
}
static clib_error_t *
l2_rw_entry_cli_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
u32 index = ~0;
u8 *mask = 0;
u32 skip = 0;
u8 del = 0;
- while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "index %d", &index))
- ;
- else if (unformat (input, "mask %U", unformat_hex_string, &mask))
- ;
- else if (unformat (input, "value %U", unformat_hex_string, &value))
- ;
- else if (unformat (input, "skip %d", &skip))
- ;
- else if (unformat (input, "del"))
- del = 1;
- else
- break;
- }
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "index %d", &index))
+ ;
+ else if (unformat (input, "mask %U", unformat_hex_string, &mask))
+ ;
+ else if (unformat (input, "value %U", unformat_hex_string, &value))
+ ;
+ else if (unformat (input, "skip %d", &skip))
+ ;
+ else if (unformat (input, "del"))
+ del = 1;
+ else
+ break;
+ }
if (!mask || !value)
- return clib_error_return(0, "Unspecified mask or value");
+ return clib_error_return (0, "Unspecified mask or value");
- if (vec_len(mask) != vec_len(value))
- return clib_error_return(0, "Mask and value lengths must be identical");
+ if (vec_len (mask) != vec_len (value))
+ return clib_error_return (0, "Mask and value lengths must be identical");
int ret;
- if ((ret = l2_rw_mod_entry(&index, mask, value, vec_len(mask), skip, del)))
- return clib_error_return(0, "Could not add entry");
+ if ((ret =
+ l2_rw_mod_entry (&index, mask, value, vec_len (mask), skip, del)))
+ return clib_error_return (0, "Could not add entry");
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (l2_rw_entry_cli, static) = {
.path = "l2 rewrite entry",
.short_help =
"l2 rewrite entry [index <index>] [mask <hex-mask>] [value <hex-value>] [skip <n_bytes>] [del]",
.function = l2_rw_entry_cli_fn,
};
+/* *INDENT-ON* */
-int l2_rw_interface_set_table(u32 sw_if_index,
- u32 table_index,
- u32 miss_index)
+int
+l2_rw_interface_set_table (u32 sw_if_index, u32 table_index, u32 miss_index)
{
- l2_rw_config_t *c = l2_rw_get_config(sw_if_index);
+ l2_rw_config_t *c = l2_rw_get_config (sw_if_index);
l2_rw_main_t *rw = &l2_rw_main;
c->table_index = table_index;
c->miss_index = miss_index;
- u32 feature_bitmap = (table_index == ~0)?0:L2INPUT_FEAT_RW;
+ u32 feature_bitmap = (table_index == ~0) ? 0 : L2INPUT_FEAT_RW;
- l2input_intf_bitmap_enable(sw_if_index, L2INPUT_FEAT_RW, feature_bitmap);
+ l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_RW, feature_bitmap);
if (c->table_index == ~0)
- clib_bitmap_set(rw->configs_bitmap, sw_if_index, 0);
+ clib_bitmap_set (rw->configs_bitmap, sw_if_index, 0);
return 0;
}
static clib_error_t *
l2_rw_interface_cli_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
+ vnet_main_t *vnm = vnet_get_main ();
u32 table_index = ~0;
u32 sw_if_index = ~0;
u32 miss_index = ~0;
- if (unformat_check_input(input) != UNFORMAT_END_OF_INPUT) {
- unformat (input, "%U", unformat_vnet_sw_interface,
- vnm, &sw_if_index);
- }
-
- while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "table %d", &table_index))
- ;
- else if (unformat (input, "miss-index %d", &miss_index))
- ;
- else
- break;
- }
+ if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index);
+ }
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "table %d", &table_index))
+ ;
+ else if (unformat (input, "miss-index %d", &miss_index))
+ ;
+ else
+ break;
+ }
if (sw_if_index == ~0)
- return clib_error_return(0, "You must specify an interface 'iface <interface>'",
- format_unformat_error, input);
+ return clib_error_return (0,
+ "You must specify an interface 'iface <interface>'",
+ format_unformat_error, input);
int ret;
- if((ret = l2_rw_interface_set_table(sw_if_index, table_index, miss_index)))
- return clib_error_return(0, "l2_rw_interface_set_table returned %d", ret);
+ if ((ret =
+ l2_rw_interface_set_table (sw_if_index, table_index, miss_index)))
+ return clib_error_return (0, "l2_rw_interface_set_table returned %d",
+ ret);
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (l2_rw_interface_cli, static) = {
.path = "set interface l2 rewrite",
.short_help =
"set interface l2 rewrite <interface> [table <table index>] [miss-index <entry-index>]",
.function = l2_rw_interface_cli_fn,
};
+/* *INDENT-ON* */
static clib_error_t *
l2_rw_show_interfaces_cli_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
l2_rw_main_t *rw = &l2_rw_main;
- if (clib_bitmap_count_set_bits(rw->configs_bitmap) == 0)
- vlib_cli_output (vm, "No interface is currently using l2 rewrite\n");
+ if (clib_bitmap_count_set_bits (rw->configs_bitmap) == 0)
+ vlib_cli_output (vm, "No interface is currently using l2 rewrite\n");
uword i;
+ /* *INDENT-OFF* */
clib_bitmap_foreach(i, rw->configs_bitmap, {
vlib_cli_output (vm, "sw_if_index:%d %U\n", i, format_l2_rw_config, &rw->configs[i]);
});
+ /* *INDENT-ON* */
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (l2_rw_show_interfaces_cli, static) = {
.path = "show l2 rewrite interfaces",
.short_help =
"show l2 rewrite interfaces",
.function = l2_rw_show_interfaces_cli_fn,
};
+/* *INDENT-ON* */
static clib_error_t *
l2_rw_show_entries_cli_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
l2_rw_main_t *rw = &l2_rw_main;
l2_rw_entry_t *e;
- if (pool_elts(rw->entries) == 0)
+ if (pool_elts (rw->entries) == 0)
vlib_cli_output (vm, "No entries\n");
+ /* *INDENT-OFF* */
pool_foreach(e, rw->entries, {
vlib_cli_output (vm, "%U\n", format_l2_rw_entry, e);
});
+ /* *INDENT-ON* */
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (l2_rw_show_entries_cli, static) = {
.path = "show l2 rewrite entries",
.short_help =
"show l2 rewrite entries",
.function = l2_rw_show_entries_cli_fn,
};
+/* *INDENT-ON* */
int
-l2_rw_enable_disable(u32 bridge_domain, u8 disable)
+l2_rw_enable_disable (u32 bridge_domain, u8 disable)
{
u32 mask = L2INPUT_FEAT_RW;
- l2input_set_bridge_features(bridge_domain, mask,
- disable ? 0: mask);
+ l2input_set_bridge_features (bridge_domain, mask, disable ? 0 : mask);
return 0;
}
static clib_error_t *
l2_rw_set_cli_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
u32 bridge_domain;
u8 disable = 0;
- if (unformat_check_input(input) == UNFORMAT_END_OF_INPUT ||
- !unformat (input, "%d", &bridge_domain)) {
- return clib_error_return(0, "You must specify a bridge domain");
- }
+ if (unformat_check_input (input) == UNFORMAT_END_OF_INPUT ||
+ !unformat (input, "%d", &bridge_domain))
+ {
+ return clib_error_return (0, "You must specify a bridge domain");
+ }
- if (unformat_check_input(input) != UNFORMAT_END_OF_INPUT &&
- unformat (input, "disable")) {
- disable = 1;
- }
+ if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT &&
+ unformat (input, "disable"))
+ {
+ disable = 1;
+ }
- if (l2_rw_enable_disable(bridge_domain, disable))
- return clib_error_return(0, "Could not enable or disable rewrite");
+ if (l2_rw_enable_disable (bridge_domain, disable))
+ return clib_error_return (0, "Could not enable or disable rewrite");
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (l2_rw_set_cli, static) = {
.path = "set bridge-domain rewrite",
.short_help =
"set bridge-domain rewrite <bridge-domain> [disable]",
.function = l2_rw_set_cli_fn,
};
+/* *INDENT-ON* */
-static
-clib_error_t *l2_rw_init (vlib_main_t *vm)
+static clib_error_t *
+l2_rw_init (vlib_main_t * vm)
{
l2_rw_main_t *rw = &l2_rw_main;
rw->configs = 0;
rw->entries = 0;
- clib_bitmap_alloc(rw->configs_bitmap, 1);
- feat_bitmap_init_next_nodes(vm,
- l2_rw_node.index,
- L2INPUT_N_FEAT,
- l2input_get_feat_names(),
- rw->feat_next_node_index);
+ clib_bitmap_alloc (rw->configs_bitmap, 1);
+ feat_bitmap_init_next_nodes (vm,
+ l2_rw_node.index,
+ L2INPUT_N_FEAT,
+ l2input_get_feat_names (),
+ rw->feat_next_node_index);
return 0;
}
+
VLIB_INIT_FUNCTION (l2_rw_init);
-enum {
+enum
+{
L2_RW_NEXT_DROP,
L2_RW_N_NEXT,
};
#define foreach_l2_rw_error \
_(UNKNOWN, "Unknown error")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2_RW_ERROR_##sym,
foreach_l2_rw_error
#undef _
- L2_RW_N_ERROR,
+ L2_RW_N_ERROR,
} l2_rw_error_t;
-static char * l2_rw_error_strings[] = {
+static char *l2_rw_error_strings[] = {
#define _(sym,string) string,
- foreach_l2_rw_error
+ foreach_l2_rw_error
#undef _
};
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_rw_node) = {
.function = l2_rw_node_fn,
.name = "l2-rw",
.n_next_nodes = L2_RW_N_NEXT,
.next_nodes = { [L2_RW_NEXT_DROP] = "error-drop"},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2_rw_node, l2_rw_node_fn)
-
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/l2/l2_input.h>
+/* *INDENT-OFF* */
typedef CLIB_PACKED(struct _l2_rw_entry {
u16 skip_n_vectors;
u16 rewrite_n_vectors;
u32x4 *mask;
u32x4 *value;
}) l2_rw_entry_t;
+/* *INDENT-ON* */
-// l2_rw configuration for one interface
+/* l2_rw configuration for one interface */
+/* *INDENT-OFF* */
typedef CLIB_PACKED(struct _l2_rw_config {
- u32 table_index; //Which classify table to use
- u32 miss_index; //Rewrite entry to use if table does not match
+ u32 table_index; /* Which classify table to use */
+ u32 miss_index; /* Rewrite entry to use if table does not match */
}) l2_rw_config_t;
+/* *INDENT-ON* */
-typedef struct {
+typedef struct
+{
/* Next feature node indexes */
u32 feat_next_node_index[32];
* when table_index or miss_index is not ~0.
* returns 0 on success and something else on error.
*/
-int l2_rw_interface_set_table(u32 sw_if_index,
- u32 table_index,
- u32 miss_index);
+int l2_rw_interface_set_table (u32 sw_if_index,
+ u32 table_index, u32 miss_index);
/*
* Creates, modifies or delete a rewrite entry.
* is set).
* returns 0 on success and something else on error.
*/
-int l2_rw_mod_entry(u32 *index,
- u8 *mask, u8 *value, u32 len,
- u32 skip, u8 is_del);
+int l2_rw_mod_entry (u32 * index,
+ u8 * mask, u8 * value, u32 len, u32 skip, u8 is_del);
#endif /* L2_FW_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vlib/cli.h>
-// Just a placeholder. Also insures file is not eliminated by linker.
-clib_error_t *l2_vtr_init (vlib_main_t *vm)
+/** Just a placeholder. Also ensures file is not eliminated by linker. */
+clib_error_t *
+l2_vtr_init (vlib_main_t * vm)
{
return 0;
}
-VLIB_INIT_FUNCTION(l2_vtr_init);
+VLIB_INIT_FUNCTION (l2_vtr_init);
-// Configure vtag tag rewrite on the given interface.
-// Return 1 if there is an error, 0 if ok
-u32 l2vtr_configure (vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- u32 sw_if_index,
- u32 vtr_op,
- u32 push_dot1q, // ethertype of first pushed tag is dot1q/dot1ad
- u32 vtr_tag1, // first pushed tag
- u32 vtr_tag2) // second pushed tag
+/**
+ * Configure vtag tag rewrite on the given interface.
+ * Return 1 if there is an error, 0 if ok
+ */
+u32
+l2vtr_configure (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 sw_if_index, u32 vtr_op, u32 push_dot1q, /* ethertype of first pushed tag is dot1q/dot1ad */
+ u32 vtr_tag1, /* first pushed tag */
+ u32 vtr_tag2) /* second pushed tag */
{
- vnet_hw_interface_t * hi;
- vnet_sw_interface_t * si;
+ vnet_hw_interface_t *hi;
+ vnet_sw_interface_t *si;
u32 hw_no_tags;
u32 error = 0;
- vtr_config_t * in_config;
- vtr_config_t * out_config;
+ vtr_config_t *in_config;
+ vtr_config_t *out_config;
u32 enable;
u32 push_inner_et;
u32 push_outer_et;
u32 cfg_tags;
hi = vnet_get_sup_hw_interface (vnet_main, sw_if_index);
- if (!hi || (hi->hw_class_index != ethernet_hw_interface_class.index)) {
- error = VNET_API_ERROR_INVALID_INTERFACE; // non-ethernet interface
- goto done;
- }
+ if (!hi || (hi->hw_class_index != ethernet_hw_interface_class.index))
+ {
+ error = VNET_API_ERROR_INVALID_INTERFACE; /* non-ethernet interface */
+ goto done;
+ }
- // Init the config for this interface
+ /* Init the config for this interface */
vec_validate (l2output_main.configs, sw_if_index);
- in_config = &(vec_elt_at_index(l2output_main.configs, sw_if_index)->input_vtr);
- out_config = &(vec_elt_at_index(l2output_main.configs, sw_if_index)->output_vtr);
+ in_config =
+ &(vec_elt_at_index (l2output_main.configs, sw_if_index)->input_vtr);
+ out_config =
+ &(vec_elt_at_index (l2output_main.configs, sw_if_index)->output_vtr);
in_config->raw_tags = 0;
out_config->raw_tags = 0;
- // Get the configured tags for the interface
+ /* Get the configured tags for the interface */
si = vnet_get_sw_interface (vnet_main, sw_if_index);
hw_no_tags = (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE);
- // Construct the input tag-rewrite config
+ /* Construct the input tag-rewrite config */
- push_outer_et = clib_net_to_host_u16 (push_dot1q ? ETHERNET_TYPE_VLAN : ETHERNET_TYPE_DOT1AD);
+ push_outer_et =
+ clib_net_to_host_u16 (push_dot1q ? ETHERNET_TYPE_VLAN :
+ ETHERNET_TYPE_DOT1AD);
push_inner_et = clib_net_to_host_u16 (ETHERNET_TYPE_VLAN);
vtr_tag1 = clib_net_to_host_u16 (vtr_tag1);
vtr_tag2 = clib_net_to_host_u16 (vtr_tag2);
- // Determine number of vlan tags with explictly configured values
+ /* Determine number of vlan tags with explictly configured values */
cfg_tags = 0;
- if (hw_no_tags || si->sub.eth.flags.no_tags) {
- cfg_tags = 0;
- } else if (si->sub.eth.flags.one_tag) {
- cfg_tags = 1;
- if (si->sub.eth.flags.outer_vlan_id_any) {
+ if (hw_no_tags || si->sub.eth.flags.no_tags)
+ {
cfg_tags = 0;
}
- } else if (si->sub.eth.flags.two_tags) {
- cfg_tags = 2;
- if (si->sub.eth.flags.inner_vlan_id_any) {
+ else if (si->sub.eth.flags.one_tag)
+ {
cfg_tags = 1;
+ if (si->sub.eth.flags.outer_vlan_id_any)
+ {
+ cfg_tags = 0;
+ }
}
- if (si->sub.eth.flags.outer_vlan_id_any) {
- cfg_tags = 0;
+ else if (si->sub.eth.flags.two_tags)
+ {
+ cfg_tags = 2;
+ if (si->sub.eth.flags.inner_vlan_id_any)
+ {
+ cfg_tags = 1;
+ }
+ if (si->sub.eth.flags.outer_vlan_id_any)
+ {
+ cfg_tags = 0;
+ }
}
- }
- switch (vtr_op) {
- case L2_VTR_DISABLED:
- in_config->push_and_pop_bytes = 0;
- break;
+ switch (vtr_op)
+ {
+ case L2_VTR_DISABLED:
+ in_config->push_and_pop_bytes = 0;
+ break;
- case L2_VTR_POP_1:
- if (cfg_tags < 1) {
- error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; // Need one or two tags
- goto done;
- }
- in_config->pop_bytes = 4;
- in_config->push_bytes = 0;
- break;
+ case L2_VTR_POP_1:
+ if (cfg_tags < 1)
+ {
+ /* Need one or two tags */
+ error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT;
+ goto done;
+ }
+ in_config->pop_bytes = 4;
+ in_config->push_bytes = 0;
+ break;
- case L2_VTR_POP_2:
- if (cfg_tags < 2) {
- error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; // Need two tags
- goto done;
- }
- in_config->pop_bytes = 8;
- in_config->push_bytes = 0;
-
- out_config->push_bytes = in_config->pop_bytes;
- out_config->pop_bytes = in_config->push_bytes;
- break;
-
- case L2_VTR_PUSH_1:
- in_config->pop_bytes = 0;
- in_config->push_bytes = 4;
- in_config->tags[1].priority_cfi_and_id = vtr_tag1;
- in_config->tags[1].type = push_outer_et;
- break;
-
- case L2_VTR_PUSH_2:
- in_config->pop_bytes = 0;
- in_config->push_bytes = 8;
- in_config->tags[0].priority_cfi_and_id = vtr_tag1;
- in_config->tags[0].type = push_outer_et;
- in_config->tags[1].priority_cfi_and_id = vtr_tag2;
- in_config->tags[1].type = push_inner_et;
- break;
-
- case L2_VTR_TRANSLATE_1_1:
- if (cfg_tags < 1) {
- error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; // Need one or two tags
- goto done;
- }
- in_config->pop_bytes = 4;
- in_config->push_bytes = 4;
- in_config->tags[1].priority_cfi_and_id = vtr_tag1;
- in_config->tags[1].type = push_outer_et;
- break;
-
- case L2_VTR_TRANSLATE_1_2:
- if (cfg_tags < 1) {
- error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; // Need one or two tags
- goto done;
- }
- in_config->pop_bytes = 4;
- in_config->push_bytes = 8;
- in_config->tags[0].priority_cfi_and_id = vtr_tag1;
- in_config->tags[0].type = push_outer_et;
- in_config->tags[1].priority_cfi_and_id = vtr_tag2;
- in_config->tags[1].type = push_inner_et;
- break;
-
- case L2_VTR_TRANSLATE_2_1:
- if (cfg_tags < 2) {
- error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; // Need two tags
- goto done;
- }
- in_config->pop_bytes = 8;
- in_config->push_bytes = 4;
- in_config->tags[1].priority_cfi_and_id = vtr_tag1;
- in_config->tags[1].type = push_outer_et;
- break;
-
- case L2_VTR_TRANSLATE_2_2:
- if (cfg_tags < 2) {
- error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; // Need two tags
- goto done;
+ case L2_VTR_POP_2:
+ if (cfg_tags < 2)
+ {
+ error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need two tags */
+ goto done;
+ }
+ in_config->pop_bytes = 8;
+ in_config->push_bytes = 0;
+
+ out_config->push_bytes = in_config->pop_bytes;
+ out_config->pop_bytes = in_config->push_bytes;
+ break;
+
+ case L2_VTR_PUSH_1:
+ in_config->pop_bytes = 0;
+ in_config->push_bytes = 4;
+ in_config->tags[1].priority_cfi_and_id = vtr_tag1;
+ in_config->tags[1].type = push_outer_et;
+ break;
+
+ case L2_VTR_PUSH_2:
+ in_config->pop_bytes = 0;
+ in_config->push_bytes = 8;
+ in_config->tags[0].priority_cfi_and_id = vtr_tag1;
+ in_config->tags[0].type = push_outer_et;
+ in_config->tags[1].priority_cfi_and_id = vtr_tag2;
+ in_config->tags[1].type = push_inner_et;
+ break;
+
+ case L2_VTR_TRANSLATE_1_1:
+ if (cfg_tags < 1)
+ {
+ error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need one or two tags */
+ goto done;
+ }
+ in_config->pop_bytes = 4;
+ in_config->push_bytes = 4;
+ in_config->tags[1].priority_cfi_and_id = vtr_tag1;
+ in_config->tags[1].type = push_outer_et;
+ break;
+
+ case L2_VTR_TRANSLATE_1_2:
+ if (cfg_tags < 1)
+ {
+ error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need one or two tags */
+ goto done;
+ }
+ in_config->pop_bytes = 4;
+ in_config->push_bytes = 8;
+ in_config->tags[0].priority_cfi_and_id = vtr_tag1;
+ in_config->tags[0].type = push_outer_et;
+ in_config->tags[1].priority_cfi_and_id = vtr_tag2;
+ in_config->tags[1].type = push_inner_et;
+ break;
+
+ case L2_VTR_TRANSLATE_2_1:
+ if (cfg_tags < 2)
+ {
+ error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need two tags */
+ goto done;
+ }
+ in_config->pop_bytes = 8;
+ in_config->push_bytes = 4;
+ in_config->tags[1].priority_cfi_and_id = vtr_tag1;
+ in_config->tags[1].type = push_outer_et;
+ break;
+
+ case L2_VTR_TRANSLATE_2_2:
+ if (cfg_tags < 2)
+ {
+ error = VNET_API_ERROR_INVALID_VLAN_TAG_COUNT; /* Need two tags */
+ goto done;
+ }
+ in_config->pop_bytes = 8;
+ in_config->push_bytes = 8;
+ in_config->tags[0].priority_cfi_and_id = vtr_tag1;
+ in_config->tags[0].type = push_outer_et;
+ in_config->tags[1].priority_cfi_and_id = vtr_tag2;
+ in_config->tags[1].type = push_inner_et;
+ break;
}
- in_config->pop_bytes = 8;
- in_config->push_bytes = 8;
- in_config->tags[0].priority_cfi_and_id = vtr_tag1;
- in_config->tags[0].type = push_outer_et;
- in_config->tags[1].priority_cfi_and_id = vtr_tag2;
- in_config->tags[1].type = push_inner_et;
- break;
- }
-
- // Construct the output tag-rewrite config
-
- // The push/pop values are always reversed
+
+ /*
+ * Construct the output tag-rewrite config
+ *
+ * The push/pop values are always reversed
+ */
out_config->push_bytes = in_config->pop_bytes;
out_config->pop_bytes = in_config->push_bytes;
- // Any pushed tags are derived from the subinterface config
- push_outer_et = clib_net_to_host_u16 (si->sub.eth.flags.dot1ad ? ETHERNET_TYPE_DOT1AD : ETHERNET_TYPE_VLAN);
+ /* Any pushed tags are derived from the subinterface config */
+ push_outer_et =
+ clib_net_to_host_u16 (si->sub.eth.flags.dot1ad ? ETHERNET_TYPE_DOT1AD :
+ ETHERNET_TYPE_VLAN);
push_inner_et = clib_net_to_host_u16 (ETHERNET_TYPE_VLAN);
vtr_tag1 = clib_net_to_host_u16 (si->sub.eth.outer_vlan_id);
vtr_tag2 = clib_net_to_host_u16 (si->sub.eth.inner_vlan_id);
- if (out_config->push_bytes == 4) {
- out_config->tags[1].priority_cfi_and_id = vtr_tag1;
- out_config->tags[1].type = push_outer_et;
- } else if (out_config->push_bytes == 8) {
- out_config->tags[0].priority_cfi_and_id = vtr_tag1;
- out_config->tags[0].type = push_outer_et;
- out_config->tags[1].priority_cfi_and_id = vtr_tag2;
- out_config->tags[1].type = push_inner_et;
- }
-
- // set the interface enable flags
+ if (out_config->push_bytes == 4)
+ {
+ out_config->tags[1].priority_cfi_and_id = vtr_tag1;
+ out_config->tags[1].type = push_outer_et;
+ }
+ else if (out_config->push_bytes == 8)
+ {
+ out_config->tags[0].priority_cfi_and_id = vtr_tag1;
+ out_config->tags[0].type = push_outer_et;
+ out_config->tags[1].priority_cfi_and_id = vtr_tag2;
+ out_config->tags[1].type = push_inner_et;
+ }
+
+ /* set the interface enable flags */
enable = (vtr_op != L2_VTR_DISABLED);
l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_VTR, enable);
- // output vtr enable is checked explicitly in l2_output
+ /* output vtr enable is checked explicitly in l2_output */
- done:
+done:
return error;
}
-// Get vtag tag rewrite on the given interface.
-// Return 1 if there is an error, 0 if ok
-u32 l2vtr_get (vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- u32 sw_if_index,
- u32 *vtr_op,
- u32 *push_dot1q, // ethertype of first pushed tag is dot1q/dot1ad
- u32 *vtr_tag1, // first pushed tag
- u32 *vtr_tag2) // second pushed tag
+/**
+ * Get vtag tag rewrite on the given interface.
+ * Return 1 if there is an error, 0 if ok
+ */
+u32
+l2vtr_get (vlib_main_t * vlib_main, vnet_main_t * vnet_main, u32 sw_if_index, u32 * vtr_op, u32 * push_dot1q, /* ethertype of first pushed tag is dot1q/dot1ad */
+ u32 * vtr_tag1, /* first pushed tag */
+ u32 * vtr_tag2) /* second pushed tag */
{
- vnet_hw_interface_t * hi;
+ vnet_hw_interface_t *hi;
u32 error = 0;
- vtr_config_t * in_config;
+ vtr_config_t *in_config;
- if (!vtr_op || !push_dot1q || !vtr_tag1 || !vtr_tag2) {
- clib_warning ("invalid arguments");
- error = VNET_API_ERROR_INVALID_ARGUMENT;
- goto done;
- }
+ if (!vtr_op || !push_dot1q || !vtr_tag1 || !vtr_tag2)
+ {
+ clib_warning ("invalid arguments");
+ error = VNET_API_ERROR_INVALID_ARGUMENT;
+ goto done;
+ }
*vtr_op = L2_VTR_DISABLED;
*vtr_tag1 = 0;
*push_dot1q = 0;
hi = vnet_get_sup_hw_interface (vnet_main, sw_if_index);
- if (!hi || (hi->hw_class_index != ethernet_hw_interface_class.index)) {
- // non-ethernet interface
- goto done;
- }
-
- if (sw_if_index >= vec_len(l2output_main.configs)) {
- // no specific config (return disabled)
- goto done;
- }
-
- // Get the config for this interface
- in_config = &(vec_elt_at_index(l2output_main.configs, sw_if_index)->input_vtr);
-
- // DISABLED
- if (in_config->push_and_pop_bytes == 0) {
- goto done;
- }
-
- // find out vtr_op
- switch (in_config->pop_bytes) {
+ if (!hi || (hi->hw_class_index != ethernet_hw_interface_class.index))
+ {
+ /* non-ethernet interface */
+ goto done;
+ }
+
+ if (sw_if_index >= vec_len (l2output_main.configs))
+ {
+ /* no specific config (return disabled) */
+ goto done;
+ }
+
+ /* Get the config for this interface */
+ in_config =
+ &(vec_elt_at_index (l2output_main.configs, sw_if_index)->input_vtr);
+
+ /* DISABLED */
+ if (in_config->push_and_pop_bytes == 0)
+ {
+ goto done;
+ }
+
+ /* find out vtr_op */
+ switch (in_config->pop_bytes)
+ {
case 0:
- switch (in_config->push_bytes) {
- case 0:
- // DISABLED
- goto done;
- case 4:
- *vtr_op = L2_VTR_PUSH_1;
- *vtr_tag1 = clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
- *push_dot1q = (ETHERNET_TYPE_VLAN == clib_host_to_net_u16 (in_config->tags[1].type));
- break;
- case 8:
- *vtr_op = L2_VTR_PUSH_2;
- *vtr_tag1 = clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id);
- *vtr_tag2 = clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
- *push_dot1q = (ETHERNET_TYPE_VLAN == clib_host_to_net_u16 (in_config->tags[0].type));
- break;
- default:
- clib_warning ("invalid push_bytes count: %d", in_config->push_bytes);
- error = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
- goto done;
- }
+ switch (in_config->push_bytes)
+ {
+ case 0:
+ /* DISABLED */
+ goto done;
+ case 4:
+ *vtr_op = L2_VTR_PUSH_1;
+ *vtr_tag1 =
+ clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
+ *push_dot1q =
+ (ETHERNET_TYPE_VLAN ==
+ clib_host_to_net_u16 (in_config->tags[1].type));
+ break;
+ case 8:
+ *vtr_op = L2_VTR_PUSH_2;
+ *vtr_tag1 =
+ clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id);
+ *vtr_tag2 =
+ clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
+ *push_dot1q =
+ (ETHERNET_TYPE_VLAN ==
+ clib_host_to_net_u16 (in_config->tags[0].type));
+ break;
+ default:
+ clib_warning ("invalid push_bytes count: %d",
+ in_config->push_bytes);
+ error = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
+ goto done;
+ }
break;
case 4:
- switch (in_config->push_bytes) {
- case 0:
- *vtr_op = L2_VTR_POP_1;
- break;
- case 4:
- *vtr_op = L2_VTR_TRANSLATE_1_1;
- *vtr_tag1 = clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
- *push_dot1q = (ETHERNET_TYPE_VLAN == clib_host_to_net_u16 (in_config->tags[1].type));
- break;
- case 8:
- *vtr_op = L2_VTR_TRANSLATE_1_2;
- *vtr_tag1 = clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id);
- *vtr_tag2 = clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
- *push_dot1q = (ETHERNET_TYPE_VLAN == clib_host_to_net_u16 (in_config->tags[0].type));
- break;
- default:
- clib_warning ("invalid push_bytes count: %d", in_config->push_bytes);
- error = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
- goto done;
- }
+ switch (in_config->push_bytes)
+ {
+ case 0:
+ *vtr_op = L2_VTR_POP_1;
+ break;
+ case 4:
+ *vtr_op = L2_VTR_TRANSLATE_1_1;
+ *vtr_tag1 =
+ clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
+ *push_dot1q =
+ (ETHERNET_TYPE_VLAN ==
+ clib_host_to_net_u16 (in_config->tags[1].type));
+ break;
+ case 8:
+ *vtr_op = L2_VTR_TRANSLATE_1_2;
+ *vtr_tag1 =
+ clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id);
+ *vtr_tag2 =
+ clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
+ *push_dot1q =
+ (ETHERNET_TYPE_VLAN ==
+ clib_host_to_net_u16 (in_config->tags[0].type));
+ break;
+ default:
+ clib_warning ("invalid push_bytes count: %d",
+ in_config->push_bytes);
+ error = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
+ goto done;
+ }
break;
case 8:
- switch (in_config->push_bytes) {
- case 0:
- *vtr_op = L2_VTR_POP_2;
- break;
- case 4:
- *vtr_op = L2_VTR_TRANSLATE_2_1;
- *vtr_tag1 = clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
- *push_dot1q = (ETHERNET_TYPE_VLAN == clib_host_to_net_u16 (in_config->tags[1].type));
- break;
- case 8:
- *vtr_op = L2_VTR_TRANSLATE_2_2;
- *vtr_tag1 = clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id);
- *vtr_tag2 = clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
- *push_dot1q = (ETHERNET_TYPE_VLAN == clib_host_to_net_u16 (in_config->tags[0].type));
- break;
- default:
- clib_warning ("invalid push_bytes count: %d", in_config->push_bytes);
- error = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
- goto done;
- }
+ switch (in_config->push_bytes)
+ {
+ case 0:
+ *vtr_op = L2_VTR_POP_2;
+ break;
+ case 4:
+ *vtr_op = L2_VTR_TRANSLATE_2_1;
+ *vtr_tag1 =
+ clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
+ *push_dot1q =
+ (ETHERNET_TYPE_VLAN ==
+ clib_host_to_net_u16 (in_config->tags[1].type));
+ break;
+ case 8:
+ *vtr_op = L2_VTR_TRANSLATE_2_2;
+ *vtr_tag1 =
+ clib_host_to_net_u16 (in_config->tags[0].priority_cfi_and_id);
+ *vtr_tag2 =
+ clib_host_to_net_u16 (in_config->tags[1].priority_cfi_and_id);
+ *push_dot1q =
+ (ETHERNET_TYPE_VLAN ==
+ clib_host_to_net_u16 (in_config->tags[0].type));
+ break;
+ default:
+ clib_warning ("invalid push_bytes count: %d",
+ in_config->push_bytes);
+ error = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
+ goto done;
+ }
break;
default:
clib_warning ("invalid pop_bytes count: %d", in_config->pop_bytes);
error = VNET_API_ERROR_UNEXPECTED_INTF_STATE;
goto done;
- }
+ }
- done:
+done:
return error;
}
-// set subinterface vtr enable/disable
-// The CLI format is:
-// set interface l2 tag-rewrite <interface> [disable | pop 1 | pop 2 | push {dot1q|dot1ad} <tag> [<tag>]]
-// "push" can also be replaced by "translate-{1|2}-{1|2}"
+/**
+ * set subinterface vtr enable/disable
+ * The CLI format is:
+ * set interface l2 tag-rewrite <interface> [disable | pop 1 | pop 2 | push {dot1q|dot1ad} <tag> [<tag>]]
+ *
+ * "push" can also be replaced by "translate-{1|2}-{1|2}"
+ */
static clib_error_t *
int_l2_vtr (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- clib_error_t * error = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *error = 0;
u32 sw_if_index;
u32 vtr_op;
u32 push_dot1q = 0;
u32 tag1 = 0, tag2 = 0;
- if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
+ if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
- format_unformat_error, input);
+ format_unformat_error, input);
goto done;
}
vtr_op = L2_VTR_DISABLED;
- if (unformat (input, "disable")) {
- vtr_op = L2_VTR_DISABLED;
- } else if (unformat (input, "pop 1")) {
- vtr_op = L2_VTR_POP_1;
- } else if (unformat (input, "pop 2")) {
- vtr_op = L2_VTR_POP_2;
-
- } else if (unformat (input, "push dot1q %d %d", &tag1, &tag2)) {
- vtr_op = L2_VTR_PUSH_2;
- push_dot1q = 1;
- } else if (unformat (input, "push dot1ad %d %d", &tag1, &tag2)) {
- vtr_op = L2_VTR_PUSH_2;
-
- } else if (unformat (input, "push dot1q %d", &tag1)) {
- vtr_op = L2_VTR_PUSH_1;
- push_dot1q = 1;
- } else if (unformat (input, "push dot1ad %d", &tag1)) {
- vtr_op = L2_VTR_PUSH_1;
-
- } else if (unformat (input, "translate 1-1 dot1q %d", &tag1)) {
- vtr_op = L2_VTR_TRANSLATE_1_1;
- push_dot1q = 1;
- } else if (unformat (input, "translate 1-1 dot1ad %d", &tag1)) {
- vtr_op = L2_VTR_TRANSLATE_1_1;
-
- } else if (unformat (input, "translate 2-1 dot1q %d", &tag1)) {
- vtr_op = L2_VTR_TRANSLATE_2_1;
- push_dot1q = 1;
- } else if (unformat (input, "translate 2-1 dot1ad %d", &tag1)) {
- vtr_op = L2_VTR_TRANSLATE_2_1;
-
- } else if (unformat (input, "translate 2-2 dot1q %d %d", &tag1, &tag2)) {
- vtr_op = L2_VTR_TRANSLATE_2_2;
- push_dot1q = 1;
- } else if (unformat (input, "translate 2-2 dot1ad %d %d", &tag1, &tag2)) {
- vtr_op = L2_VTR_TRANSLATE_2_2;
-
- } else if (unformat (input, "translate 1-2 dot1q %d %d", &tag1, &tag2)) {
- vtr_op = L2_VTR_TRANSLATE_1_2;
- push_dot1q = 1;
- } else if (unformat (input, "translate 1-2 dot1ad %d %d", &tag1, &tag2)) {
- vtr_op = L2_VTR_TRANSLATE_1_2;
-
- } else {
- error = clib_error_return (0, "expecting [disable | pop 1 | pop 2 | push {dot1q|dot1ah} <tag> [<tag>]\n"
- " | translate {1|2}-{1|2} {dot1q|dot1ah} <tag> [<tag>]] but got `%U'",
- format_unformat_error, input);
- goto done;
- }
-
- if (l2vtr_configure (vm,
- vnm,
- sw_if_index,
- vtr_op,
- push_dot1q,
- tag1,
- tag2)) {
- error = clib_error_return (0, "vlan tag rewrite is not compatible with interface");
- goto done;
- }
-
- done:
+ if (unformat (input, "disable"))
+ {
+ vtr_op = L2_VTR_DISABLED;
+ }
+ else if (unformat (input, "pop 1"))
+ {
+ vtr_op = L2_VTR_POP_1;
+ }
+ else if (unformat (input, "pop 2"))
+ {
+ vtr_op = L2_VTR_POP_2;
+
+ }
+ else if (unformat (input, "push dot1q %d %d", &tag1, &tag2))
+ {
+ vtr_op = L2_VTR_PUSH_2;
+ push_dot1q = 1;
+ }
+ else if (unformat (input, "push dot1ad %d %d", &tag1, &tag2))
+ {
+ vtr_op = L2_VTR_PUSH_2;
+
+ }
+ else if (unformat (input, "push dot1q %d", &tag1))
+ {
+ vtr_op = L2_VTR_PUSH_1;
+ push_dot1q = 1;
+ }
+ else if (unformat (input, "push dot1ad %d", &tag1))
+ {
+ vtr_op = L2_VTR_PUSH_1;
+
+ }
+ else if (unformat (input, "translate 1-1 dot1q %d", &tag1))
+ {
+ vtr_op = L2_VTR_TRANSLATE_1_1;
+ push_dot1q = 1;
+ }
+ else if (unformat (input, "translate 1-1 dot1ad %d", &tag1))
+ {
+ vtr_op = L2_VTR_TRANSLATE_1_1;
+
+ }
+ else if (unformat (input, "translate 2-1 dot1q %d", &tag1))
+ {
+ vtr_op = L2_VTR_TRANSLATE_2_1;
+ push_dot1q = 1;
+ }
+ else if (unformat (input, "translate 2-1 dot1ad %d", &tag1))
+ {
+ vtr_op = L2_VTR_TRANSLATE_2_1;
+
+ }
+ else if (unformat (input, "translate 2-2 dot1q %d %d", &tag1, &tag2))
+ {
+ vtr_op = L2_VTR_TRANSLATE_2_2;
+ push_dot1q = 1;
+ }
+ else if (unformat (input, "translate 2-2 dot1ad %d %d", &tag1, &tag2))
+ {
+ vtr_op = L2_VTR_TRANSLATE_2_2;
+
+ }
+ else if (unformat (input, "translate 1-2 dot1q %d %d", &tag1, &tag2))
+ {
+ vtr_op = L2_VTR_TRANSLATE_1_2;
+ push_dot1q = 1;
+ }
+ else if (unformat (input, "translate 1-2 dot1ad %d %d", &tag1, &tag2))
+ {
+ vtr_op = L2_VTR_TRANSLATE_1_2;
+
+ }
+ else
+ {
+ error =
+ clib_error_return (0,
+ "expecting [disable | pop 1 | pop 2 | push {dot1q|dot1ah} <tag> [<tag>]\n"
+ " | translate {1|2}-{1|2} {dot1q|dot1ah} <tag> [<tag>]] but got `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+
+ if (l2vtr_configure (vm, vnm, sw_if_index, vtr_op, push_dot1q, tag1, tag2))
+ {
+ error =
+ clib_error_return (0,
+ "vlan tag rewrite is not compatible with interface");
+ goto done;
+ }
+
+done:
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (int_l2_vtr_cli, static) = {
.path = "set interface l2 tag-rewrite",
.short_help = "set interface l2 tag-rewrite <interface> [disable | pop {1|2} | push {dot1q|dot1ad} <tag> <tag>]",
.function = int_l2_vtr,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/ethernet/packet.h>
#include <vnet/l2/l2_vtr.h>
-// VTR config options for API and CLI support
-typedef enum {
+/* VTR config options for API and CLI support */
+typedef enum
+{
L2_VTR_DISABLED,
L2_VTR_PUSH_1,
L2_VTR_PUSH_2,
L2_VTR_TRANSLATE_2_2
} l2_vtr_op_t;
-// Per-interface vlan tag rewrite configuration
-// There will be one instance of this struct for each sw_if_index
-// for both input vtr and output vtr
-typedef struct {
- union {
- // Up to two vlan tags to push.
- // if there is only one vlan tag to push, it is in tags[1].
+/**
+ * Per-interface vlan tag rewrite configuration
+ * There will be one instance of this struct for each sw_if_index
+ * for both input vtr and output vtr
+ */
+typedef struct
+{
+ union
+ {
+ /*
+ * Up to two vlan tags to push.
+ * if there is only one vlan tag to push, it is in tags[1].
+ */
ethernet_vlan_header_tv_t tags[2];
u64 raw_tags;
};
- union {
- struct {
- u8 push_bytes; // number of bytes to push for up to 2 vlans (0,4,8)
- u8 pop_bytes; // number of bytes to pop for up to 2 vlans (0,4,8)
+ union
+ {
+ struct
+ {
+ u8 push_bytes; /* number of bytes to push for up to 2 vlans (0,4,8) */
+ u8 pop_bytes; /* number of bytes to pop for up to 2 vlans (0,4,8) */
};
- u16 push_and_pop_bytes; // if 0 then the feature is disabled
+ u16 push_and_pop_bytes; /* if 0 then the feature is disabled */
};
} vtr_config_t;
-// Perform the configured tag rewrite on the packet.
-// Return 0 if ok, 1 if packet should be dropped (e.g. tried to pop too many tags)
+/**
+ * Perform the configured tag rewrite on the packet.
+ * Return 0 if ok, 1 if packet should be dropped (e.g. tried to pop
+ * too many tags)
+ */
always_inline u32
-l2_vtr_process (vlib_buffer_t * b0,
- vtr_config_t * config)
+l2_vtr_process (vlib_buffer_t * b0, vtr_config_t * config)
{
u64 temp_8;
u32 temp_4;
- u8 * eth;
+ u8 *eth;
eth = vlib_buffer_get_current (b0);
- // copy the 12B dmac and smac to a temporary location
- temp_8 = *((u64 *)eth);
- temp_4 = *((u32 *)(eth+8));
+ /* copy the 12B dmac and smac to a temporary location */
+ temp_8 = *((u64 *) eth);
+ temp_4 = *((u32 *) (eth + 8));
- // adjust for popped tags
+ /* adjust for popped tags */
eth += config->pop_bytes;
- // if not enough tags to pop then drop packet
- if (PREDICT_FALSE ((vnet_buffer(b0)->l2.l2_len - 12) < config->pop_bytes)) {
- return 1;
- }
+ /* if not enough tags to pop then drop packet */
+ if (PREDICT_FALSE ((vnet_buffer (b0)->l2.l2_len - 12) < config->pop_bytes))
+ {
+ return 1;
+ }
- // copy the 2 new tags to the start of the packet
- *((u64 *)(eth + 12 - 8)) = config->raw_tags;
+ /* copy the 2 new tags to the start of the packet */
+ *((u64 *) (eth + 12 - 8)) = config->raw_tags;
- // TODO: set cos bits
+ /* TODO: set cos bits */
- // adjust for pushed tags:
+ /* adjust for pushed tags: */
eth -= config->push_bytes;
- // copy the 12 dmac and smac back to the packet
- *((u64 *)eth) = temp_8;
- *((u32 *)(eth+8)) = temp_4;
+ /* copy the 12 dmac and smac back to the packet */
+ *((u64 *) eth) = temp_8;
+ *((u32 *) (eth + 8)) = temp_4;
- // Update l2_len
- vnet_buffer(b0)->l2.l2_len += (word)config->push_bytes - (word)config->pop_bytes;
+ /* Update l2_len */
+ vnet_buffer (b0)->l2.l2_len +=
+ (word) config->push_bytes - (word) config->pop_bytes;
- // Update vlan tag count
- ethernet_buffer_adjust_vlan_count_by_bytes(b0,
- (word)config->push_bytes - (word)config->pop_bytes);
+ /* Update vlan tag count */
+ ethernet_buffer_adjust_vlan_count_by_bytes (b0,
+ (word) config->push_bytes -
+ (word) config->pop_bytes);
- // Update packet len
- vlib_buffer_advance(b0, (word)config->pop_bytes - (word)config->push_bytes);
+ /* Update packet len */
+ vlib_buffer_advance (b0,
+ (word) config->pop_bytes - (word) config->push_bytes);
return 0;
}
-// Perform the egress pre-vlan tag rewrite EFP Filter check. The post-vlan tag rewrite
-// check is a separate graph node.
-//
-// This check insures that a packet being output to an interface (before output vtr
-// is performed) has vlan tags that match those on a packet received from that
-// interface (after vtr has been performed).
-// This means verifying that any tags pushed by input vtr are present on the packet.
-//
-// Return 0 if ok, 1 if packet should be dropped.
-// This function should be passed the input vtr config for the interface.
+/*
+ * Perform the egress pre-vlan tag rewrite EFP Filter check.
+ * The post-vlan tag rewrite check is a separate graph node.
+ *
+ * This check insures that a packet being output to an interface
+ * (before output vtr is performed) has vlan tags that match those
+ * on a packet received from that interface (after vtr has been performed).
+ * This means verifying that any tags pushed by input vtr are present
+ * on the packet.
+ *
+ * Return 0 if ok, 1 if packet should be dropped.
+ * This function should be passed the input vtr config for the interface.
+ */
always_inline u8
-l2_efp_filter_process (vlib_buffer_t * b0,
- vtr_config_t * in_config)
+l2_efp_filter_process (vlib_buffer_t * b0, vtr_config_t * in_config)
{
- u8 * eth;
+ u8 *eth;
u64 packet_tags;
u64 tag_mask;
eth = vlib_buffer_get_current (b0);
- // If there are 2 tags pushed, they must match config->tags[0] and config->tags[1].
- // If there is one tag pushed, it must match config->tag[1].
- // If there are 0 tags pushed, the check passes.
-
- // mask for two vlan id and ethertypes, no cos bits
- tag_mask = clib_net_to_host_u64(0xFFFF0FFFFFFF0FFF);
- // mask for one vlan id and ethertype, no cos bits
- tag_mask = (in_config->push_bytes == 4) ? clib_net_to_host_u64(0xFFFF0FFF) : tag_mask;
- // mask for always match
+ /*
+ * If there are 2 tags pushed, they must match config->tags[0] and
+ * config->tags[1].
+ * If there is one tag pushed, it must match config->tag[1].
+ * If there are 0 tags pushed, the check passes.
+ */
+
+ /* mask for two vlan id and ethertypes, no cos bits */
+ tag_mask = clib_net_to_host_u64 (0xFFFF0FFFFFFF0FFF);
+ /* mask for one vlan id and ethertype, no cos bits */
+ tag_mask =
+ (in_config->push_bytes ==
+ 4) ? clib_net_to_host_u64 (0xFFFF0FFF) : tag_mask;
+ /* mask for always match */
tag_mask = (in_config->push_bytes == 0) ? 0 : tag_mask;
- // Read 8B from the packet, getting the proper set of vlan tags
- // For 0 push bytes, the address doesn't matter since the mask clears the data to 0.
- packet_tags = *((u64 *)(eth + 4 + in_config->push_bytes));
+ /*
+ * Read 8B from the packet, getting the proper set of vlan tags
+ * For 0 push bytes, the address doesn't matter since the mask
+ * clears the data to 0.
+ */
+ packet_tags = *((u64 *) (eth + 4 + in_config->push_bytes));
- // Check if the packet tags match the configured tags
+ /* Check if the packet tags match the configured tags */
return (packet_tags & tag_mask) != in_config->raw_tags;
}
-// Configure vtag tag rewrite on the given interface.
-// Return 1 if there is an error, 0 if ok
-u32 l2vtr_configure(vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- u32 sw_if_index,
- u32 vtr_op,
- u32 push_dot1q,
- u32 vtr_tag1,
- u32 vtr_tag2);
-
-// Get vtag tag rewrite on the given interface.
-// Return 1 if there is an error, 0 if ok
+/**
+ * Configure vtag tag rewrite on the given interface.
+ * Return 1 if there is an error, 0 if ok
+ */
+u32 l2vtr_configure (vlib_main_t * vlib_main,
+ vnet_main_t * vnet_main,
+ u32 sw_if_index,
+ u32 vtr_op, u32 push_dot1q, u32 vtr_tag1, u32 vtr_tag2);
+
+/**
+ * Get vtag tag rewrite on the given interface.
+ * Return 1 if there is an error, 0 if ok
+ */
u32 l2vtr_get (vlib_main_t * vlib_main,
- vnet_main_t * vnet_main,
- u32 sw_if_index,
- u32 *vtr_op,
- u32 *push_dot1q,
- u32 *vtr_tag1,
- u32 *vtr_tag2);
+ vnet_main_t * vnet_main,
+ u32 sw_if_index,
+ u32 * vtr_op,
+ u32 * push_dot1q, u32 * vtr_tag1, u32 * vtr_tag2);
-#endif // included_vnet_l2_vtr_h
+#endif /* included_vnet_l2_vtr_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
*/
#include <vnet/l2/l2_xcrw.h>
-/*
+/*
* General L2 / L3 cross-connect, used to set up
* "L2 interface <--> your-favorite-tunnel-encap" tunnels.
*
* to hook L2 interface(s) up to the L3 stack in arbitrary ways.
*
* Each l2_xcrw adjacency specifies 3 things:
- *
+ *
* 1. The next graph node (presumably in the L3 stack) to
* process the (L2 -> L3) packet
*
- * 2. A new value for vnet_buffer(b)->sw_if_index[VLIB_TX]
+ * 2. A new value for vnet_buffer(b)->sw_if_index[VLIB_TX]
* (i.e. a lookup FIB index),
*
* 3. A rewrite string to apply.
*
* Example: to cross-connect an L2 interface or (future) bridge
- * to an mpls-o-gre tunnel, set up the L2 rewrite string as shown in
+ * to an mpls-o-gre tunnel, set up the L2 rewrite string as shown in
* mpls_gre_rewrite, and use "mpls-post-rewrite" to fix the
* GRE IP header checksum and length fields.
*/
-typedef struct {
+typedef struct
+{
u32 next_index;
u32 tx_fib_index;
} l2_xcrw_trace_t;
/* packet trace format function */
-static u8 * format_l2_xcrw_trace (u8 * s, va_list * args)
+static u8 *
+format_l2_xcrw_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- l2_xcrw_trace_t * t = va_arg (*args, l2_xcrw_trace_t *);
-
+ l2_xcrw_trace_t *t = va_arg (*args, l2_xcrw_trace_t *);
+
s = format (s, "L2_XCRW: next index %d tx_fib_index %d",
- t->next_index, t->tx_fib_index);
+ t->next_index, t->tx_fib_index);
return s;
}
static vlib_node_registration_t l2_xcrw_node;
-static char * l2_xcrw_error_strings[] = {
+static char *l2_xcrw_error_strings[] = {
#define _(sym,string) string,
foreach_l2_xcrw_error
#undef _
static uword
l2_xcrw_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
l2_xcrw_next_t next_index;
- l2_xcrw_main_t * xcm = &l2_xcrw_main;
+ l2_xcrw_main_t *xcm = &l2_xcrw_main;
vlib_node_t *n = vlib_get_node (vm, l2_xcrw_node.index);
u32 node_counter_base_index = n->error_heap_index;
- vlib_error_main_t * em = &vm->error_main;
+ vlib_error_main_t *em = &vm->error_main;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
{
u32 n_left_to_next;
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- u32 next0, next1;
- u32 sw_if_index0, sw_if_index1;
- l2_xcrw_adjacency_t * adj0, * adj1;
-
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ u32 sw_if_index0, sw_if_index1;
+ l2_xcrw_adjacency_t *adj0, *adj1;
+
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
-
+ vlib_buffer_t *p2, *p3;
+
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
-
+
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
}
- /* speculatively enqueue b0 and b1 to the current next frame */
+ /* speculatively enqueue b0 and b1 to the current next frame */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer(b1)->sw_if_index[VLIB_RX];
-
- adj0 = vec_elt_at_index (xcm->adj_by_sw_if_index, sw_if_index0);
- adj1 = vec_elt_at_index (xcm->adj_by_sw_if_index, sw_if_index1);
-
- next0 = adj0->rewrite_header.next_index;
- vnet_buffer(b0)->sw_if_index[VLIB_TX] =
- adj0->rewrite_header.sw_if_index;
-
- next1 = adj1->rewrite_header.next_index;
- vnet_buffer(b1)->sw_if_index[VLIB_TX] =
- adj1->rewrite_header.sw_if_index;
-
- em->counters[node_counter_base_index + next1]++;
-
- if (PREDICT_TRUE(next0 > 0))
- {
- u8 * h0 = vlib_buffer_get_current (b0);
- vnet_rewrite_one_header (adj0[0], h0,
- adj0->rewrite_header.data_bytes);
- vlib_buffer_advance (b0, -adj0->rewrite_header.data_bytes);
- em->counters[node_counter_base_index + L2_XCRW_ERROR_FWD]++;
- }
-
- if (PREDICT_TRUE(next1 > 0))
- {
- u8 * h1 = vlib_buffer_get_current (b1);
- vnet_rewrite_one_header (adj1[0], h1,
- adj1->rewrite_header.data_bytes);
- vlib_buffer_advance (b1, -adj1->rewrite_header.data_bytes);
- em->counters[node_counter_base_index + L2_XCRW_ERROR_FWD]++;
- }
-
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- l2_xcrw_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->next_index = next0;
- t->tx_fib_index = adj0->rewrite_header.sw_if_index;
- }
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b1->flags & VLIB_BUFFER_IS_TRACED)))
- {
- l2_xcrw_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->next_index = next1;
- t->tx_fib_index = adj1->rewrite_header.sw_if_index;
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+
+ adj0 = vec_elt_at_index (xcm->adj_by_sw_if_index, sw_if_index0);
+ adj1 = vec_elt_at_index (xcm->adj_by_sw_if_index, sw_if_index1);
+
+ next0 = adj0->rewrite_header.next_index;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] =
+ adj0->rewrite_header.sw_if_index;
+
+ next1 = adj1->rewrite_header.next_index;
+ vnet_buffer (b1)->sw_if_index[VLIB_TX] =
+ adj1->rewrite_header.sw_if_index;
+
+ em->counters[node_counter_base_index + next1]++;
+
+ if (PREDICT_TRUE (next0 > 0))
+ {
+ u8 *h0 = vlib_buffer_get_current (b0);
+ vnet_rewrite_one_header (adj0[0], h0,
+ adj0->rewrite_header.data_bytes);
+ vlib_buffer_advance (b0, -adj0->rewrite_header.data_bytes);
+ em->counters[node_counter_base_index + L2_XCRW_ERROR_FWD]++;
+ }
+
+ if (PREDICT_TRUE (next1 > 0))
+ {
+ u8 *h1 = vlib_buffer_get_current (b1);
+ vnet_rewrite_one_header (adj1[0], h1,
+ adj1->rewrite_header.data_bytes);
+ vlib_buffer_advance (b1, -adj1->rewrite_header.data_bytes);
+ em->counters[node_counter_base_index + L2_XCRW_ERROR_FWD]++;
+ }
+
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_xcrw_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->next_index = next0;
+ t->tx_fib_index = adj0->rewrite_header.sw_if_index;
+ }
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b1->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_xcrw_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->next_index = next1;
+ t->tx_fib_index = adj1->rewrite_header.sw_if_index;
+ }
+ }
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 sw_if_index0;
- l2_xcrw_adjacency_t * adj0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 sw_if_index0;
+ l2_xcrw_adjacency_t *adj0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
-
- adj0 = vec_elt_at_index (xcm->adj_by_sw_if_index, sw_if_index0);
-
- next0 = adj0->rewrite_header.next_index;
- vnet_buffer(b0)->sw_if_index[VLIB_TX] =
- adj0->rewrite_header.sw_if_index;
-
- if (PREDICT_TRUE(next0 > 0))
- {
- u8 *h0 = vlib_buffer_get_current (b0);
- vnet_rewrite_one_header (adj0[0], h0,
- adj0->rewrite_header.data_bytes);
- vlib_buffer_advance (b0, -adj0->rewrite_header.data_bytes);
- em->counters[node_counter_base_index + L2_XCRW_ERROR_FWD]++;
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- l2_xcrw_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->next_index = next0;
- t->tx_fib_index = adj0->rewrite_header.sw_if_index;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ adj0 = vec_elt_at_index (xcm->adj_by_sw_if_index, sw_if_index0);
+
+ next0 = adj0->rewrite_header.next_index;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] =
+ adj0->rewrite_header.sw_if_index;
+
+ if (PREDICT_TRUE (next0 > 0))
+ {
+ u8 *h0 = vlib_buffer_get_current (b0);
+ vnet_rewrite_one_header (adj0[0], h0,
+ adj0->rewrite_header.data_bytes);
+ vlib_buffer_advance (b0, -adj0->rewrite_header.data_bytes);
+ em->counters[node_counter_base_index + L2_XCRW_ERROR_FWD]++;
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_xcrw_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->next_index = next0;
+ t->tx_fib_index = adj0->rewrite_header.sw_if_index;
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
return frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_xcrw_node, static) = {
.function = l2_xcrw_node_fn,
.name = "l2-xcrw",
.vector_size = sizeof (u32),
.format_trace = format_l2_xcrw_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(l2_xcrw_error_strings),
.error_strings = l2_xcrw_error_strings,
[L2_XCRW_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (l2_xcrw_node, l2_xcrw_node_fn)
-
-clib_error_t *l2_xcrw_init (vlib_main_t *vm)
+ clib_error_t *l2_xcrw_init (vlib_main_t * vm)
{
- l2_xcrw_main_t * mp = &l2_xcrw_main;
-
+ l2_xcrw_main_t *mp = &l2_xcrw_main;
+
mp->vlib_main = vm;
mp->vnet_main = &vnet_main;
- mp->tunnel_index_by_l2_sw_if_index = hash_create (0, sizeof(uword));
+ mp->tunnel_index_by_l2_sw_if_index = hash_create (0, sizeof (uword));
return 0;
}
VLIB_INIT_FUNCTION (l2_xcrw_init);
-static uword dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+static uword
+dummy_interface_tx (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
clib_warning ("you shouldn't be here, leaking buffers...");
return frame->n_vectors;
}
-static u8 * format_xcrw_name (u8 * s, va_list * args)
+static u8 *
+format_xcrw_name (u8 * s, va_list * args)
{
u32 dev_instance = va_arg (*args, u32);
return format (s, "xcrw%d", dev_instance);
}
+/* *INDENT-OFF* */
VNET_DEVICE_CLASS (xcrw_device_class,static) = {
.name = "Xcrw",
.format_device_name = format_xcrw_name,
.tx_function = dummy_interface_tx,
};
+/* *INDENT-ON* */
/* Create a sham tunnel interface and return its sw_if_index */
static u32
create_xcrw_interface (vlib_main_t * vm)
{
- vnet_main_t * vnm = vnet_get_main();
+ vnet_main_t *vnm = vnet_get_main ();
static u32 instance;
u8 address[6];
u32 hw_if_index;
- vnet_hw_interface_t * hi;
+ vnet_hw_interface_t *hi;
u32 sw_if_index;
/* mac address doesn't really matter */
/* can returns error iff phy != 0 */
(void) ethernet_register_interface
- (vnm,
- xcrw_device_class.index,
- instance++,
- address,
- &hw_if_index,
+ (vnm, xcrw_device_class.index, instance++, address, &hw_if_index,
/* flag change */ 0);
hi = vnet_get_hw_interface (vnm, hw_if_index);
sw_if_index = hi->sw_if_index;
- vnet_sw_interface_set_flags (vnm, sw_if_index,
- VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+ vnet_sw_interface_set_flags (vnm, sw_if_index,
+ VNET_SW_INTERFACE_FLAG_ADMIN_UP);
/* Output to the sham tunnel invokes the encap node */
hi->output_node_index = l2_xcrw_node.index;
return sw_if_index;
}
-int vnet_configure_l2_xcrw (vlib_main_t * vm, vnet_main_t *vnm,
- u32 l2_sw_if_index, u32 tx_fib_index,
- u8 * rewrite, u32 next_node_index, int is_add)
+int
+vnet_configure_l2_xcrw (vlib_main_t * vm, vnet_main_t * vnm,
+ u32 l2_sw_if_index, u32 tx_fib_index,
+ u8 * rewrite, u32 next_node_index, int is_add)
{
- l2_xcrw_main_t * xcm = &l2_xcrw_main;
- l2_xcrw_adjacency_t * a;
- l2_xcrw_tunnel_t * t;
- uword * p;
-
+ l2_xcrw_main_t *xcm = &l2_xcrw_main;
+ l2_xcrw_adjacency_t *a;
+ l2_xcrw_tunnel_t *t;
+ uword *p;
+
if (is_add)
{
/* No interface allocated? Do it. Otherwise, set admin up */
if (t->tunnel_sw_if_index == 0)
- t->tunnel_sw_if_index = create_xcrw_interface (vm);
+ t->tunnel_sw_if_index = create_xcrw_interface (vm);
else
- vnet_sw_interface_set_flags (vnm, t->tunnel_sw_if_index,
- VNET_SW_INTERFACE_FLAG_ADMIN_UP);
-
+ vnet_sw_interface_set_flags (vnm, t->tunnel_sw_if_index,
+ VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+
t->l2_sw_if_index = l2_sw_if_index;
vec_validate (xcm->adj_by_sw_if_index, t->l2_sw_if_index);
-
+
a = vec_elt_at_index (xcm->adj_by_sw_if_index, t->l2_sw_if_index);
memset (a, 0, sizeof (*a));
a->rewrite_header.sw_if_index = tx_fib_index;
- /*
- * Add or find a dynamic disposition for the successor node,
+ /*
+ * Add or find a dynamic disposition for the successor node,
* e.g. so we can ship pkts to mpls_post_rewrite...
*/
- a->rewrite_header.next_index =
- vlib_node_add_next (vm, l2_xcrw_node.index, next_node_index);
+ a->rewrite_header.next_index =
+ vlib_node_add_next (vm, l2_xcrw_node.index, next_node_index);
if (vec_len (rewrite))
- vnet_rewrite_set_data (a[0], rewrite, vec_len(rewrite));
-
- set_int_l2_mode (vm, vnm, MODE_L2_XC, t->l2_sw_if_index, 0, 0, 0,
- t->tunnel_sw_if_index);
- hash_set (xcm->tunnel_index_by_l2_sw_if_index,
- t->l2_sw_if_index, t - xcm->tunnels);
+ vnet_rewrite_set_data (a[0], rewrite, vec_len (rewrite));
+
+ set_int_l2_mode (vm, vnm, MODE_L2_XC, t->l2_sw_if_index, 0, 0, 0,
+ t->tunnel_sw_if_index);
+ hash_set (xcm->tunnel_index_by_l2_sw_if_index,
+ t->l2_sw_if_index, t - xcm->tunnels);
return 0;
}
else
{
p = hash_get (xcm->tunnel_index_by_l2_sw_if_index, l2_sw_if_index);
if (p == 0)
- return VNET_API_ERROR_INVALID_SW_IF_INDEX;
+ return VNET_API_ERROR_INVALID_SW_IF_INDEX;
t = pool_elt_at_index (xcm->tunnels, p[0]);
set_int_l2_mode (vm, vnm, MODE_L3, t->l2_sw_if_index, 0, 0, 0, 0);
- vnet_sw_interface_set_flags (vnm, t->tunnel_sw_if_index, 0 /* down */);
+ vnet_sw_interface_set_flags (vnm, t->tunnel_sw_if_index, 0 /* down */ );
hash_unset (xcm->tunnel_index_by_l2_sw_if_index, l2_sw_if_index);
pool_put (xcm->tunnels, t);
static clib_error_t *
set_l2_xcrw_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- unformat_input_t _line_input, * line_input = &_line_input;
+ unformat_input_t _line_input, *line_input = &_line_input;
int is_add = 1;
- int is_ipv6 = 0; /* for fib id -> fib index mapping */
+ int is_ipv6 = 0; /* for fib id -> fib index mapping */
u32 tx_fib_id = ~0;
u32 tx_fib_index = ~0;
u32 next_node_index = ~0;
u32 l2_sw_if_index;
- u8 * rw = 0;
- vnet_main_t * vnm = vnet_get_main();
+ u8 *rw = 0;
+ vnet_main_t *vnm = vnet_get_main ();
int rv;
-
-
- if (! unformat_user (input, unformat_line_input, line_input))
+
+
+ if (!unformat_user (input, unformat_line_input, line_input))
return 0;
-
- if (! unformat (line_input, "%U",
- unformat_vnet_sw_interface, vnm, &l2_sw_if_index))
+
+ if (!unformat (line_input, "%U",
+ unformat_vnet_sw_interface, vnm, &l2_sw_if_index))
return clib_error_return (0, "unknown input '%U'",
- format_unformat_error, line_input);
-
+ format_unformat_error, line_input);
+
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (line_input, "next %U",
- unformat_vlib_node, vm, &next_node_index))
- ;
+ if (unformat (line_input, "next %U",
+ unformat_vlib_node, vm, &next_node_index))
+ ;
else if (unformat (line_input, "tx-fib-id %d", &tx_fib_id))
- ;
+ ;
else if (unformat (line_input, "del"))
- is_add = 0;
+ is_add = 0;
else if (unformat (line_input, "ipv6"))
- is_ipv6 = 1;
- else if (unformat (line_input, "rw %U",
- unformat_hex_string, &rw));
+ is_ipv6 = 1;
+ else if (unformat (line_input, "rw %U", unformat_hex_string, &rw));
else
- break;
+ break;
}
-
+
if (next_node_index == ~0)
return clib_error_return (0, "next node not specified");
-
+
if (tx_fib_id != ~0)
{
- uword * p;
+ uword *p;
if (is_ipv6)
- p = hash_get (ip6_main.fib_index_by_table_id, tx_fib_id);
+ p = hash_get (ip6_main.fib_index_by_table_id, tx_fib_id);
else
- p = hash_get (ip4_main.fib_index_by_table_id, tx_fib_id);
+ p = hash_get (ip4_main.fib_index_by_table_id, tx_fib_id);
if (p == 0)
- return clib_error_return (0, "nonexistent tx_fib_id %d",
- tx_fib_id);
+ return clib_error_return (0, "nonexistent tx_fib_id %d", tx_fib_id);
tx_fib_index = p[0];
}
rv = vnet_configure_l2_xcrw (vm, vnm, l2_sw_if_index, tx_fib_index,
- rw, next_node_index, is_add);
+ rw, next_node_index, is_add);
switch (rv)
{
case VNET_API_ERROR_INVALID_SW_IF_INDEX:
return clib_error_return (0, "%U not cross-connected",
- format_vnet_sw_if_index_name,
- vnm, l2_sw_if_index);
+ format_vnet_sw_if_index_name,
+ vnm, l2_sw_if_index);
default:
- return clib_error_return (0, "vnet_configure_l2_xcrw returned %d",
- rv);
+ return clib_error_return (0, "vnet_configure_l2_xcrw returned %d", rv);
}
-
+
vec_free (rw);
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_l2_xcrw_command, static) = {
.path = "set interface l2 xcrw",
- .short_help =
+ .short_help =
"set int l2 xcrw <interface> next <node-name>\n"
" [del] [tx-fib-id <id>] [ipv6] rw <hex-bytes>",
.function = set_l2_xcrw_command_fn,
};
+/* *INDENT-ON* */
-static u8 * format_l2xcrw (u8 * s, va_list * args)
+static u8 *
+format_l2xcrw (u8 * s, va_list * args)
{
- vnet_main_t * vnm = va_arg (*args, vnet_main_t *);
- l2_xcrw_tunnel_t * t = va_arg (*args, l2_xcrw_tunnel_t *);
- l2_xcrw_main_t * xcm = &l2_xcrw_main;
- vlib_main_t * vm = vlib_get_main ();
- l2_xcrw_adjacency_t * a;
- u8 * rewrite_string;
+ vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
+ l2_xcrw_tunnel_t *t = va_arg (*args, l2_xcrw_tunnel_t *);
+ l2_xcrw_main_t *xcm = &l2_xcrw_main;
+ vlib_main_t *vm = vlib_get_main ();
+ l2_xcrw_adjacency_t *a;
+ u8 *rewrite_string;
if (t == 0)
{
return s;
}
- s = format (s, "%-25U %U ",
- format_vnet_sw_if_index_name, vnm, t->l2_sw_if_index,
- format_vnet_sw_if_index_name, vnm, t->tunnel_sw_if_index);
+ s = format (s, "%-25U %U ",
+ format_vnet_sw_if_index_name, vnm, t->l2_sw_if_index,
+ format_vnet_sw_if_index_name, vnm, t->tunnel_sw_if_index);
a = vec_elt_at_index (xcm->adj_by_sw_if_index, t->l2_sw_if_index);
-
+
s = format (s, "next %U ",
- format_vlib_next_node_name, vm, l2_xcrw_node.index,
- a->rewrite_header.next_index);
+ format_vlib_next_node_name, vm, l2_xcrw_node.index,
+ a->rewrite_header.next_index);
if (a->rewrite_header.sw_if_index != ~0)
s = format (s, "tx fib index %d ", a->rewrite_header.sw_if_index);
if (a->rewrite_header.data_bytes)
{
- rewrite_string = (u8 *)(a + 1);
+ rewrite_string = (u8 *) (a + 1);
rewrite_string -= a->rewrite_header.data_bytes;
s = format (s, "rewrite data: %U ",
- format_hex_bytes, rewrite_string,
- a->rewrite_header.data_bytes);
+ format_hex_bytes, rewrite_string,
+ a->rewrite_header.data_bytes);
}
s = format (s, "\n");
static clib_error_t *
show_l2xcrw_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- l2_xcrw_main_t * xcm = &l2_xcrw_main;
- l2_xcrw_tunnel_t * t;
+ vnet_main_t *vnm = vnet_get_main ();
+ l2_xcrw_main_t *xcm = &l2_xcrw_main;
+ l2_xcrw_tunnel_t *t;
if (pool_elts (xcm->tunnels) == 0)
{
vlib_cli_output (vm, "%U", format_l2xcrw, 0, 0);
- pool_foreach (t, xcm->tunnels,
+ /* *INDENT-OFF* */
+ pool_foreach (t, xcm->tunnels,
({
vlib_cli_output (vm, "%U", format_l2xcrw, vnm, t);
}));
+ /* *INDENT-ON* */
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_l2xcrw_command, static) = {
.path = "show l2xcrw",
.short_help = "Display L2/L3 rewrite cross-connects",
.function = show_l2xcrw_command_fn,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/api_errno.h>
#include <vnet/ethernet/ethernet.h>
-typedef struct {
- /*
+typedef struct
+{
+ /*
* Let: rewrite_header.sw_if_index = tx_fib_index or ~0.
* rewrite_header.next_index = L2_XCRW_NEXT_XXX
*/
vnet_declare_rewrite (VLIB_BUFFER_PRE_DATA_SIZE);
} l2_xcrw_adjacency_t;
-typedef struct {
+typedef struct
+{
/* L2 interface */
u32 l2_sw_if_index;
/* Tunnel interface */
- u32 tunnel_sw_if_index; /* This field remains set in freed pool elts */
+ u32 tunnel_sw_if_index; /* This field remains set in freed pool elts */
} l2_xcrw_tunnel_t;
-typedef struct {
+typedef struct
+{
u32 cached_next_index;
/* Vector of cross-connect rewrites */
- l2_xcrw_adjacency_t * adj_by_sw_if_index;
+ l2_xcrw_adjacency_t *adj_by_sw_if_index;
/* Pool of xcrw tunnels */
- l2_xcrw_tunnel_t * tunnels;
+ l2_xcrw_tunnel_t *tunnels;
/* Tunnel index by tunnel sw_if_index */
- uword * tunnel_index_by_l2_sw_if_index;
+ uword *tunnel_index_by_l2_sw_if_index;
/* convenience variables */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} l2_xcrw_main_t;
-typedef enum {
+typedef enum
+{
L2_XCRW_NEXT_DROP,
L2_XCRW_N_NEXT,
} l2_xcrw_next_t;
_(DROP, "Packets dropped") \
_(FWD, "Packets forwarded")
-typedef enum {
+typedef enum
+{
#define _(sym,str) L2_XCRW_ERROR_##sym,
foreach_l2_xcrw_error
#undef _
- L2_XCRW_N_ERROR,
+ L2_XCRW_N_ERROR,
} l2_xcrw_error_t;
#endif /* __included_l2_xcrw_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
vl_api_lisp_map_resolver_dump_t_handler (vl_api_lisp_map_resolver_dump_t * mp)
{
unix_shared_memory_queue_t *q = NULL;
- lisp_cp_main_t * lcm = vnet_lisp_cp_get_main ();
- map_resolver_t * mr;
+ lisp_cp_main_t *lcm = vnet_lisp_cp_get_main ();
+ map_resolver_t *mr;
q = vl_api_client_index_to_input_queue (mp->client_index);
if (q == 0)
return;
}
- vec_foreach(mr, lcm->map_resolvers)
+ vec_foreach (mr, lcm->map_resolvers)
{
- send_lisp_map_resolver_details(&mr->address, q, mp->context);
+ send_lisp_map_resolver_details (&mr->address, q, mp->context);
}
}
Code Review / vpp.git / commitdiff