/*
- * l2_input_acl.c : layer 2 input acl processing
+ * l2_in_out_acl.c : layer 2 input/output acl processing
*
- * Copyright (c) 2013 Cisco and/or its affiliates.
+ * Copyright (c) 2013,2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
#include <vnet/ip/ip6_packet.h>
#include <vlib/cli.h>
#include <vnet/l2/l2_input.h>
+#include <vnet/l2/l2_output.h>
#include <vnet/l2/feat_bitmap.h>
#include <vppinfra/error.h>
#include <vppinfra/cache.h>
#include <vnet/classify/vnet_classify.h>
-#include <vnet/classify/input_acl.h>
+#include <vnet/classify/in_out_acl.h>
typedef struct
{
/* Next nodes for each feature */
- u32 feat_next_node_index[32];
+ u32 feat_next_node_index[IN_OUT_ACL_N_TABLE_GROUPS][32];
/* convenience variables */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
-} l2_inacl_main_t;
+} l2_in_out_acl_main_t;
typedef struct
{
u32 next_index;
u32 table_index;
u32 offset;
-} l2_inacl_trace_t;
+} l2_in_out_acl_trace_t;
/* packet trace format function */
static u8 *
-format_l2_inacl_trace (u8 * s, va_list * args)
+format_l2_in_out_acl_trace (u8 * s, u32 is_output, 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_in_out_acl_trace_t *t = va_arg (*args, l2_in_out_acl_trace_t *);
- s = format (s, "INACL: sw_if_index %d, next_index %d, table %d, offset %d",
+ s = format (s, "%s: sw_if_index %d, next_index %d, table %d, offset %d",
+ is_output ? "OUTACL" : "INACL",
t->sw_if_index, t->next_index, t->table_index, t->offset);
return s;
}
-l2_inacl_main_t l2_inacl_main;
+static u8 *
+format_l2_inacl_trace (u8 * s, va_list * args)
+{
+ return format_l2_in_out_acl_trace (s, IN_OUT_ACL_INPUT_TABLE_GROUP, args);
+}
+
+static u8 *
+format_l2_outacl_trace (u8 * s, va_list * args)
+{
+ return format_l2_in_out_acl_trace (s, IN_OUT_ACL_OUTPUT_TABLE_GROUP, args);
+}
+
+l2_in_out_acl_main_t l2_in_out_acl_main;
static vlib_node_registration_t l2_inacl_node;
+static vlib_node_registration_t l2_outacl_node;
#define foreach_l2_inacl_error \
_(NONE, "valid input ACL packets") \
_(TABLE_MISS, "input ACL table-miss drops") \
_(SESSION_DENY, "input ACL session deny drops")
+#define foreach_l2_outacl_error \
+_(NONE, "valid output ACL packets") \
+_(MISS, "output ACL misses") \
+_(HIT, "output ACL hits") \
+_(CHAIN_HIT, "output ACL hits after chain walk") \
+_(TABLE_MISS, "output ACL table-miss drops") \
+_(SESSION_DENY, "output ACL session deny drops")
+
typedef enum
{
#undef _
};
-static uword
-l2_inacl_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+typedef enum
+{
+#define _(sym,str) L2_OUTACL_ERROR_##sym,
+ foreach_l2_outacl_error
+#undef _
+ L2_OUTACL_N_ERROR,
+} l2_outacl_error_t;
+
+static char *l2_outacl_error_strings[] = {
+#define _(sym,string) string,
+ foreach_l2_outacl_error
+#undef _
+};
+
+
+static inline uword
+l2_in_out_acl_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame,
+ int is_output)
{
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;
+ l2_in_out_acl_main_t *msm = &l2_in_out_acl_main;
+ in_out_acl_main_t *am = &in_out_acl_main;
vnet_classify_main_t *vcm = am->vnet_classify_main;
- input_acl_table_id_t tid = INPUT_ACL_TABLE_L2;
+ in_out_acl_table_id_t tid = IN_OUT_ACL_TABLE_L2;
f64 now = vlib_time_now (vm);
u32 hits = 0;
u32 misses = 0;
bi1 = from[1];
b1 = vlib_get_buffer (vm, bi1);
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index0 =
+ vnet_buffer (b0)->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
table_index0 =
- am->classify_table_index_by_sw_if_index[tid][sw_if_index0];
+ am->classify_table_index_by_sw_if_index[is_output][tid][sw_if_index0];
- sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+ sw_if_index1 =
+ vnet_buffer (b1)->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
table_index1 =
- am->classify_table_index_by_sw_if_index[tid][sw_if_index1];
+ am->classify_table_index_by_sw_if_index[is_output][tid][sw_if_index1];
t0 = pool_elt_at_index (vcm->tables, table_index0);
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index0 =
+ vnet_buffer (b0)->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
table_index0 =
- am->classify_table_index_by_sw_if_index[tid][sw_if_index0];
+ am->classify_table_index_by_sw_if_index[is_output][tid][sw_if_index0];
t0 = pool_elt_at_index (vcm->tables, table_index0);
vnet_buffer (b0)->l2_classify.opaque_index = ~0;
/* Determine the next node */
- next0 = vnet_l2_feature_next (b0, msm->feat_next_node_index,
- L2INPUT_FEAT_ACL);
+ next0 =
+ vnet_l2_feature_next (b0, msm->feat_next_node_index[is_output],
+ is_output ? L2OUTPUT_FEAT_ACL :
+ L2INPUT_FEAT_ACL);
if (PREDICT_TRUE (table_index0 != ~0))
{
hits++;
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- L2_INACL_ERROR_SESSION_DENY : L2_INACL_ERROR_NONE;
+ if (is_output)
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_OUTACL_ERROR_SESSION_DENY : L2_INACL_ERROR_NONE;
+ else
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_OUTACL_ERROR_SESSION_DENY : L2_OUTACL_ERROR_NONE;
b0->error = node->errors[error0];
}
else
misses++;
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- L2_INACL_ERROR_TABLE_MISS : L2_INACL_ERROR_NONE;
+ if (is_output)
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_OUTACL_ERROR_TABLE_MISS :
+ L2_OUTACL_ERROR_NONE;
+ else
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_INACL_ERROR_TABLE_MISS : L2_INACL_ERROR_NONE;
b0->error = node->errors[error0];
break;
}
hits++;
chain_hits++;
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- L2_INACL_ERROR_SESSION_DENY : L2_INACL_ERROR_NONE;
+ if (is_output)
+ error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
+ L2_OUTACL_ERROR_SESSION_DENY :
+ L2_OUTACL_ERROR_NONE;
+ else
+ 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 =
+ l2_in_out_acl_trace_t *t =
vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ t->sw_if_index =
+ vnet_buffer (b0)->sw_if_index[is_output ? VLIB_TX : 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;
}
vlib_node_increment_counter (vm, node->node_index,
+ is_output ? L2_OUTACL_ERROR_MISS :
L2_INACL_ERROR_MISS, misses);
vlib_node_increment_counter (vm, node->node_index,
+ is_output ? L2_OUTACL_ERROR_HIT :
L2_INACL_ERROR_HIT, hits);
vlib_node_increment_counter (vm, node->node_index,
+ is_output ? L2_OUTACL_ERROR_CHAIN_HIT :
L2_INACL_ERROR_CHAIN_HIT, chain_hits);
return frame->n_vectors;
}
+static uword
+l2_inacl_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return l2_in_out_acl_node_fn (vm, node, frame,
+ IN_OUT_ACL_INPUT_TABLE_GROUP);
+}
+
+static uword
+l2_outacl_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return l2_in_out_acl_node_fn (vm, node, frame,
+ IN_OUT_ACL_OUTPUT_TABLE_GROUP);
+}
+
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (l2_inacl_node,static) = {
.function = l2_inacl_node_fn,
[ACL_NEXT_INDEX_DENY] = "error-drop",
},
};
-/* *INDENT-ON* */
+
+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,
+
+ .n_next_nodes = ACL_NEXT_INDEX_N_NEXT,
+
+ /* edit / add dispositions here */
+ .next_nodes = {
+ [ACL_NEXT_INDEX_DENY] = "error-drop",
+ },
+};
VLIB_NODE_FUNCTION_MULTIARCH (l2_inacl_node, l2_inacl_node_fn)
- clib_error_t *l2_inacl_init (vlib_main_t * vm)
+VLIB_NODE_FUNCTION_MULTIARCH (l2_outacl_node, l2_outacl_node_fn)
+/* *INDENT-ON* */
+
+
+clib_error_t *
+l2_in_out_acl_init (vlib_main_t * vm)
{
- l2_inacl_main_t *mp = &l2_inacl_main;
+ l2_in_out_acl_main_t *mp = &l2_in_out_acl_main;
mp->vlib_main = vm;
mp->vnet_main = vnet_get_main ();
l2_inacl_node.index,
L2INPUT_N_FEAT,
l2input_get_feat_names (),
- mp->feat_next_node_index);
+ mp->feat_next_node_index
+ [IN_OUT_ACL_INPUT_TABLE_GROUP]);
+ feat_bitmap_init_next_nodes (vm, l2_outacl_node.index, L2OUTPUT_N_FEAT,
+ l2output_get_feat_names (),
+ mp->feat_next_node_index
+ [IN_OUT_ACL_OUTPUT_TABLE_GROUP]);
return 0;
}
-VLIB_INIT_FUNCTION (l2_inacl_init);
+VLIB_INIT_FUNCTION (l2_in_out_acl_init);
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff