/*
- * 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:
+ */
Code Review / vpp.git / blobdiff