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authorBenoît Ganne <bganne@cisco.com>2021-09-30 13:41:00 +0200
committerNeale Ranns <neale@graphiant.com>2021-10-06 11:58:43 +0000
commitabb2a42239430a1a67b259b931848a9195402d1a (patch)
treeebc0c6ed52424f0bea5130090a00b96053e4b451 /src/vnet/ip
parent7b3a3df263c7a5bf549f350553cbd9bce7ee40b3 (diff)
ip: add classifier-based ACLs support on ip punt
This feature allows one to add classifier-based ACLs on packets punted from the ip infra, eg. to only whitelist specific sender(s). Type: feature Change-Id: Idab37b188583efbca980038875fc3e540cb2e880 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vnet/ip')
-rw-r--r--src/vnet/ip/ip_in_out_acl.c418
1 files changed, 184 insertions, 234 deletions
diff --git a/src/vnet/ip/ip_in_out_acl.c b/src/vnet/ip/ip_in_out_acl.c
index a5e652e1ee8..e858c8ed9cc 100644
--- a/src/vnet/ip/ip_in_out_acl.c
+++ b/src/vnet/ip/ip_in_out_acl.c
@@ -97,57 +97,42 @@ static char *ip_outacl_error_strings[] = {
};
static_always_inline void
-ip_in_out_acl_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_buffer_t ** b,
- u16 * next, u32 n_left, int is_ip4, int is_output,
- int do_trace)
+ip_in_out_acl_inline_trace (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame, vlib_buffer_t **b, u16 *next,
+ u32 n_left, u32 *hits__, u32 *misses__,
+ u32 *chain_hits__, const vlib_error_t error_none,
+ const vlib_error_t error_deny,
+ const vlib_error_t error_miss,
+ vnet_classify_table_t *tables,
+ const u32 *table_index_by_sw_if_index,
+ vnet_config_main_t *cm, const vlib_rx_or_tx_t way,
+ const int is_output, const int do_trace)
{
- in_out_acl_main_t *am = &in_out_acl_main;
- vnet_classify_main_t *vcm = am->vnet_classify_main;
f64 now = vlib_time_now (vm);
u32 hits = 0;
u32 misses = 0;
u32 chain_hits = 0;
- in_out_acl_table_id_t tid;
- vlib_node_runtime_t *error_node;
- u32 n_next_nodes;
-
+ u32 n_next_nodes = node->n_next_nodes;
u8 *h[4];
u32 sw_if_index[4];
u32 table_index[4];
vnet_classify_table_t *t[4] = { 0, 0 };
u64 hash[4];
- n_next_nodes = node->n_next_nodes;
-
- if (is_ip4)
- {
- tid = IN_OUT_ACL_TABLE_IP4;
- error_node = vlib_node_get_runtime (vm, ip4_input_node.index);
- }
- else
- {
- tid = IN_OUT_ACL_TABLE_IP6;
- error_node = vlib_node_get_runtime (vm, ip6_input_node.index);
- }
-
/* calculate hashes for b[0] & b[1] */
if (n_left >= 2)
{
- sw_if_index[2] =
- vnet_buffer (b[0])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
- sw_if_index[3] =
- vnet_buffer (b[1])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
+ /* ~0 is used as a wildcard to say 'always use sw_if_index 0'
+ * aka local0. It is used when we do not care about the sw_if_index, as
+ * when punting */
+ sw_if_index[2] = ~0 == way ? 0 : vnet_buffer (b[0])->sw_if_index[way];
+ sw_if_index[3] = ~0 == way ? 0 : vnet_buffer (b[1])->sw_if_index[way];
- table_index[2] =
- am->classify_table_index_by_sw_if_index[is_output][tid]
- [sw_if_index[2]];
- table_index[3] =
- am->classify_table_index_by_sw_if_index[is_output][tid]
- [sw_if_index[3]];
+ table_index[2] = table_index_by_sw_if_index[sw_if_index[2]];
+ table_index[3] = table_index_by_sw_if_index[sw_if_index[3]];
- t[2] = pool_elt_at_index (vcm->tables, table_index[2]);
- t[3] = pool_elt_at_index (vcm->tables, table_index[3]);
+ t[2] = pool_elt_at_index (tables, table_index[2]);
+ t[3] = pool_elt_at_index (tables, table_index[3]);
if (t[2]->current_data_flag == CLASSIFY_FLAG_USE_CURR_DATA)
h[2] =
@@ -198,7 +183,6 @@ ip_in_out_acl_inline (vlib_main_t * vm,
{
vnet_classify_entry_t *e[2] = { 0, 0 };
u32 _next[2] = { ACL_NEXT_INDEX_DENY, ACL_NEXT_INDEX_DENY };
- u8 error[2];
h[0] = h[2];
h[1] = h[3];
@@ -228,19 +212,15 @@ ip_in_out_acl_inline (vlib_main_t * vm,
if (n_left >= 4)
{
sw_if_index[2] =
- vnet_buffer (b[2])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
+ ~0 == way ? 0 : vnet_buffer (b[2])->sw_if_index[way];
sw_if_index[3] =
- vnet_buffer (b[3])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
+ ~0 == way ? 0 : vnet_buffer (b[3])->sw_if_index[way];
- table_index[2] =
- am->classify_table_index_by_sw_if_index[is_output][tid]
- [sw_if_index[2]];
- table_index[3] =
- am->classify_table_index_by_sw_if_index[is_output][tid]
- [sw_if_index[3]];
+ table_index[2] = table_index_by_sw_if_index[sw_if_index[2]];
+ table_index[3] = table_index_by_sw_if_index[sw_if_index[3]];
- t[2] = pool_elt_at_index (vcm->tables, table_index[2]);
- t[3] = pool_elt_at_index (vcm->tables, table_index[3]);
+ t[2] = pool_elt_at_index (tables, table_index[2]);
+ t[3] = pool_elt_at_index (tables, table_index[3]);
if (t[2]->current_data_flag == CLASSIFY_FLAG_USE_CURR_DATA)
h[2] =
@@ -292,11 +272,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
}
/* find entry for b[0] & b[1] */
- vnet_get_config_data (am->vnet_config_main[is_output][tid],
- &b[0]->current_config_index, &_next[0],
+ vnet_get_config_data (cm, &b[0]->current_config_index, &_next[0],
/* # bytes of config data */ 0);
- vnet_get_config_data (am->vnet_config_main[is_output][tid],
- &b[1]->current_config_index, &_next[1],
+ vnet_get_config_data (cm, &b[1]->current_config_index, &_next[1],
/* # bytes of config data */ 0);
if (PREDICT_TRUE (table_index[0] != ~0))
@@ -314,15 +292,8 @@ ip_in_out_acl_inline (vlib_main_t * vm,
hits++;
- if (is_ip4)
- error[0] = (_next[0] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_SESSION_DENY :
- IP4_ERROR_INACL_SESSION_DENY) : IP4_ERROR_NONE;
- else
- error[0] = (_next[0] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_SESSION_DENY :
- IP6_ERROR_INACL_SESSION_DENY) : IP6_ERROR_NONE;
- b[0]->error = error_node->errors[error[0]];
+ b[0]->error =
+ (_next[0] == ACL_NEXT_INDEX_DENY) ? error_deny : error_none;
if (!is_output)
{
@@ -339,8 +310,7 @@ ip_in_out_acl_inline (vlib_main_t * vm,
while (1)
{
if (PREDICT_TRUE (t[0]->next_table_index != ~0))
- t[0] = pool_elt_at_index (vcm->tables,
- t[0]->next_table_index);
+ t[0] = pool_elt_at_index (tables, t[0]->next_table_index);
else
{
_next[0] = (t[0]->miss_next_index < n_next_nodes) ?
@@ -348,15 +318,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
misses++;
- if (is_ip4)
- error[0] = (_next[0] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_TABLE_MISS :
- IP4_ERROR_INACL_TABLE_MISS) : IP4_ERROR_NONE;
- else
- error[0] = (_next[0] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_TABLE_MISS :
- IP6_ERROR_INACL_TABLE_MISS) : IP6_ERROR_NONE;
- b[0]->error = error_node->errors[error[0]];
+ b[0]->error = (_next[0] == ACL_NEXT_INDEX_DENY) ?
+ error_miss :
+ error_none;
break;
}
@@ -386,15 +350,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
hits++;
chain_hits++;
- if (is_ip4)
- error[0] = (_next[0] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_SESSION_DENY :
- IP4_ERROR_INACL_SESSION_DENY) : IP4_ERROR_NONE;
- else
- error[0] = (_next[0] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_SESSION_DENY :
- IP6_ERROR_INACL_SESSION_DENY) : IP6_ERROR_NONE;
- b[0]->error = error_node->errors[error[0]];
+ b[0]->error = (_next[0] == ACL_NEXT_INDEX_DENY) ?
+ error_deny :
+ error_none;
if (!is_output)
{
@@ -430,15 +388,8 @@ ip_in_out_acl_inline (vlib_main_t * vm,
hits++;
- if (is_ip4)
- error[1] = (_next[1] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_SESSION_DENY :
- IP4_ERROR_INACL_SESSION_DENY) : IP4_ERROR_NONE;
- else
- error[1] = (_next[1] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_SESSION_DENY :
- IP6_ERROR_INACL_SESSION_DENY) : IP6_ERROR_NONE;
- b[1]->error = error_node->errors[error[1]];
+ b[1]->error =
+ (_next[1] == ACL_NEXT_INDEX_DENY) ? error_deny : error_none;
if (!is_output)
{
@@ -455,8 +406,7 @@ ip_in_out_acl_inline (vlib_main_t * vm,
while (1)
{
if (PREDICT_TRUE (t[1]->next_table_index != ~0))
- t[1] = pool_elt_at_index (vcm->tables,
- t[1]->next_table_index);
+ t[1] = pool_elt_at_index (tables, t[1]->next_table_index);
else
{
_next[1] = (t[1]->miss_next_index < n_next_nodes) ?
@@ -464,15 +414,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
misses++;
- if (is_ip4)
- error[1] = (_next[1] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_TABLE_MISS :
- IP4_ERROR_INACL_TABLE_MISS) : IP4_ERROR_NONE;
- else
- error[1] = (_next[1] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_TABLE_MISS :
- IP6_ERROR_INACL_TABLE_MISS) : IP6_ERROR_NONE;
- b[1]->error = error_node->errors[error[1]];
+ b[1]->error = (_next[1] == ACL_NEXT_INDEX_DENY) ?
+ error_miss :
+ error_none;
break;
}
@@ -502,15 +446,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
hits++;
chain_hits++;
- if (is_ip4)
- error[1] = (_next[1] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_SESSION_DENY :
- IP4_ERROR_INACL_SESSION_DENY) : IP4_ERROR_NONE;
- else
- error[1] = (_next[1] == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_SESSION_DENY :
- IP6_ERROR_INACL_SESSION_DENY) : IP6_ERROR_NONE;
- b[1]->error = error_node->errors[error[1]];
+ b[1]->error = (_next[1] == ACL_NEXT_INDEX_DENY) ?
+ error_deny :
+ error_none;
if (!is_output)
{
@@ -536,9 +474,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
ip_in_out_acl_trace_t *_t =
vlib_add_trace (vm, node, b[0], sizeof (*_t));
_t->sw_if_index =
- vnet_buffer (b[0])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
+ ~0 == way ? 0 : vnet_buffer (b[0])->sw_if_index[way];
_t->next_index = _next[0];
- _t->table_index = t[0] ? t[0] - vcm->tables : ~0;
+ _t->table_index = t[0] ? t[0] - tables : ~0;
_t->offset = (e[0]
&& t[0]) ? vnet_classify_get_offset (t[0], e[0]) : ~0;
}
@@ -548,9 +486,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
ip_in_out_acl_trace_t *_t =
vlib_add_trace (vm, node, b[1], sizeof (*_t));
_t->sw_if_index =
- vnet_buffer (b[1])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
+ ~0 == way ? 0 : vnet_buffer (b[1])->sw_if_index[way];
_t->next_index = _next[1];
- _t->table_index = t[1] ? t[1] - vcm->tables : ~0;
+ _t->table_index = t[1] ? t[1] - tables : ~0;
_t->offset = (e[1]
&& t[1]) ? vnet_classify_get_offset (t[1], e[1]) : ~0;
}
@@ -585,14 +523,11 @@ ip_in_out_acl_inline (vlib_main_t * vm,
vnet_classify_entry_t *e0 = 0;
u32 next0 = ACL_NEXT_INDEX_DENY;
u64 hash0;
- u8 error0;
- sw_if_index0 =
- vnet_buffer (b[0])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
- table_index0 =
- am->classify_table_index_by_sw_if_index[is_output][tid][sw_if_index0];
+ sw_if_index0 = ~0 == way ? 0 : vnet_buffer (b[0])->sw_if_index[way];
+ table_index0 = table_index_by_sw_if_index[sw_if_index0];
- t0 = pool_elt_at_index (vcm->tables, table_index0);
+ t0 = pool_elt_at_index (tables, table_index0);
if (t0->current_data_flag == CLASSIFY_FLAG_USE_CURR_DATA)
h0 =
@@ -615,14 +550,13 @@ ip_in_out_acl_inline (vlib_main_t * vm,
vnet_buffer (b[0])->l2_classify.table_index = table_index0;
vnet_buffer (b[0])->l2_classify.opaque_index = ~0;
- vnet_get_config_data (am->vnet_config_main[is_output][tid],
- &b[0]->current_config_index, &next0,
+ vnet_get_config_data (cm, &b[0]->current_config_index, &next0,
/* # bytes of config data */ 0);
if (PREDICT_TRUE (table_index0 != ~0))
{
hash0 = vnet_buffer (b[0])->l2_classify.hash;
- t0 = pool_elt_at_index (vcm->tables, table_index0);
+ t0 = pool_elt_at_index (tables, table_index0);
if (t0->current_data_flag == CLASSIFY_FLAG_USE_CURR_DATA)
h0 =
@@ -646,15 +580,8 @@ ip_in_out_acl_inline (vlib_main_t * vm,
hits++;
- if (is_ip4)
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_SESSION_DENY :
- IP4_ERROR_INACL_SESSION_DENY) : IP4_ERROR_NONE;
- else
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_SESSION_DENY :
- IP6_ERROR_INACL_SESSION_DENY) : IP6_ERROR_NONE;
- b[0]->error = error_node->errors[error0];
+ b[0]->error =
+ (next0 == ACL_NEXT_INDEX_DENY) ? error_deny : error_none;
if (!is_output)
{
@@ -670,8 +597,7 @@ ip_in_out_acl_inline (vlib_main_t * vm,
while (1)
{
if (PREDICT_TRUE (t0->next_table_index != ~0))
- t0 =
- pool_elt_at_index (vcm->tables, t0->next_table_index);
+ t0 = pool_elt_at_index (tables, t0->next_table_index);
else
{
next0 = (t0->miss_next_index < n_next_nodes) ?
@@ -679,15 +605,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
misses++;
- if (is_ip4)
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_TABLE_MISS :
- IP4_ERROR_INACL_TABLE_MISS) : IP4_ERROR_NONE;
- else
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_TABLE_MISS :
- IP6_ERROR_INACL_TABLE_MISS) : IP6_ERROR_NONE;
- b[0]->error = error_node->errors[error0];
+ b[0]->error = (next0 == ACL_NEXT_INDEX_DENY) ?
+ error_miss :
+ error_none;
break;
}
@@ -714,15 +634,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
e0->next_index : next0;
hits++;
- if (is_ip4)
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP4_ERROR_OUTACL_SESSION_DENY :
- IP4_ERROR_INACL_SESSION_DENY) : IP4_ERROR_NONE;
- else
- error0 = (next0 == ACL_NEXT_INDEX_DENY) ?
- (is_output ? IP6_ERROR_OUTACL_SESSION_DENY :
- IP6_ERROR_INACL_SESSION_DENY) : IP6_ERROR_NONE;
- b[0]->error = error_node->errors[error0];
+ b[0]->error = (next0 == ACL_NEXT_INDEX_DENY) ?
+ error_deny :
+ error_none;
if (!is_output)
{
@@ -747,9 +661,9 @@ ip_in_out_acl_inline (vlib_main_t * vm,
ip_in_out_acl_trace_t *t =
vlib_add_trace (vm, node, b[0], sizeof (*t));
t->sw_if_index =
- vnet_buffer (b[0])->sw_if_index[is_output ? VLIB_TX : VLIB_RX];
+ ~0 == way ? 0 : vnet_buffer (b[0])->sw_if_index[way];
t->next_index = next0;
- t->table_index = t0 ? t0 - vcm->tables : ~0;
+ t->table_index = t0 ? t0 - tables : ~0;
t->offset = (e0 && t0) ? vnet_classify_get_offset (t0, e0) : ~0;
}
@@ -767,66 +681,87 @@ ip_in_out_acl_inline (vlib_main_t * vm,
n_left--;
}
- vlib_node_increment_counter (vm, node->node_index,
- is_output ? IP_OUTACL_ERROR_MISS :
- IP_INACL_ERROR_MISS, misses);
- vlib_node_increment_counter (vm, node->node_index,
- is_output ? IP_OUTACL_ERROR_HIT :
- IP_INACL_ERROR_HIT, hits);
- vlib_node_increment_counter (vm, node->node_index,
- is_output ? IP_OUTACL_ERROR_CHAIN_HIT :
- IP_INACL_ERROR_CHAIN_HIT, chain_hits);
+ *hits__ = hits;
+ *misses__ = misses;
+ *chain_hits__ = chain_hits;
}
-VLIB_NODE_FN (ip4_inacl_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+static_always_inline uword
+ip_in_out_acl_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame, const in_out_acl_table_id_t tid,
+ const vlib_node_registration_t *parent_error_node,
+ const u32 error_none_index, const u32 error_deny_index,
+ const u32 error_miss_index, const vlib_rx_or_tx_t way,
+ const int is_output)
{
-
- u32 *from;
+ const in_out_acl_main_t *am = &in_out_acl_main;
+ vnet_classify_table_t *tables = am->vnet_classify_main->tables;
+ u32 *from = vlib_frame_vector_args (frame);
+ const u32 *table_index_by_sw_if_index =
+ am->classify_table_index_by_sw_if_index[is_output][tid];
+ vnet_config_main_t *cm = am->vnet_config_main[is_output][tid];
+ const vlib_node_runtime_t *error_node =
+ vlib_node_get_runtime (vm, parent_error_node->index);
+ const vlib_error_t error_none = error_node->errors[error_none_index];
+ const vlib_error_t error_deny = error_node->errors[error_deny_index];
+ const vlib_error_t error_miss = error_node->errors[error_miss_index];
vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
u16 nexts[VLIB_FRAME_SIZE];
-
- from = vlib_frame_vector_args (frame);
+ u32 hits, misses, chain_hits;
vlib_get_buffers (vm, from, bufs, frame->n_vectors);
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- ip_in_out_acl_inline (vm, node, bufs, nexts, frame->n_vectors,
- 1 /* is_ip4 */ ,
- 0 /* is_output */ , 1 /* is_trace */ );
+#define ip_in_out_acl_inline_trace__(do_trace) \
+ ip_in_out_acl_inline_trace ( \
+ vm, node, frame, bufs, nexts, frame->n_vectors, &hits, &misses, \
+ &chain_hits, error_deny, error_miss, error_none, tables, \
+ table_index_by_sw_if_index, cm, way, is_output, do_trace)
+
+ if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
+ ip_in_out_acl_inline_trace__ (1 /* do_trace */);
else
- ip_in_out_acl_inline (vm, node, bufs, nexts, frame->n_vectors,
- 1 /* is_ip4 */ ,
- 0 /* is_output */ , 0 /* is_trace */ );
+ ip_in_out_acl_inline_trace__ (0 /* do_trace */);
+
+ vlib_node_increment_counter (
+ vm, node->node_index,
+ is_output ? IP_OUTACL_ERROR_MISS : IP_INACL_ERROR_MISS, misses);
+ vlib_node_increment_counter (
+ vm, node->node_index, is_output ? IP_OUTACL_ERROR_HIT : IP_INACL_ERROR_HIT,
+ hits);
+ vlib_node_increment_counter (vm, node->node_index,
+ is_output ? IP_OUTACL_ERROR_CHAIN_HIT :
+ IP_INACL_ERROR_CHAIN_HIT,
+ chain_hits);
vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
-
return frame->n_vectors;
}
-VLIB_NODE_FN (ip4_outacl_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_inacl_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- u32 *from;
- vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
- u16 nexts[VLIB_FRAME_SIZE];
-
- from = vlib_frame_vector_args (frame);
-
- vlib_get_buffers (vm, from, bufs, frame->n_vectors);
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- ip_in_out_acl_inline (vm, node, bufs, nexts, frame->n_vectors,
- 1 /* is_ip4 */ ,
- 1 /* is_output */ , 1 /* is_trace */ );
- else
- ip_in_out_acl_inline (vm, node, bufs, nexts, frame->n_vectors,
- 1 /* is_ip4 */ ,
- 1 /* is_output */ , 0 /* is_trace */ );
+ return ip_in_out_acl_inline (
+ vm, node, frame, IN_OUT_ACL_TABLE_IP4, &ip4_input_node, IP4_ERROR_NONE,
+ IP4_ERROR_INACL_SESSION_DENY, IP4_ERROR_INACL_TABLE_MISS, VLIB_RX,
+ 0 /* is_output */);
+}
- vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
+VLIB_NODE_FN (ip4_punt_acl_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ return ip_in_out_acl_inline (
+ vm, node, frame, IN_OUT_ACL_TABLE_IP4_PUNT, &ip4_input_node,
+ IP4_ERROR_NONE, IP4_ERROR_INACL_SESSION_DENY, IP4_ERROR_INACL_TABLE_MISS,
+ ~0 /* way */, 0 /* is_output */);
+}
- return frame->n_vectors;
+VLIB_NODE_FN (ip4_outacl_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ return ip_in_out_acl_inline (
+ vm, node, frame, IN_OUT_ACL_TABLE_IP4, &ip4_input_node, IP4_ERROR_NONE,
+ IP4_ERROR_INACL_SESSION_DENY, IP4_ERROR_INACL_TABLE_MISS, VLIB_TX,
+ 1 /* is_output */);
}
/* *INDENT-OFF* */
@@ -843,6 +778,19 @@ VLIB_REGISTER_NODE (ip4_inacl_node) = {
},
};
+VLIB_REGISTER_NODE (ip4_punt_acl_node) = {
+ .name = "ip4-punt-acl",
+ .vector_size = sizeof (u32),
+ .format_trace = format_ip_inacl_trace,
+ .n_errors = ARRAY_LEN(ip_inacl_error_strings),
+ .error_strings = ip_inacl_error_strings,
+
+ .n_next_nodes = ACL_NEXT_INDEX_N_NEXT,
+ .next_nodes = {
+ [ACL_NEXT_INDEX_DENY] = "ip4-drop",
+ },
+};
+
VLIB_REGISTER_NODE (ip4_outacl_node) = {
.name = "ip4-outacl",
.vector_size = sizeof (u32),
@@ -857,54 +805,37 @@ VLIB_REGISTER_NODE (ip4_outacl_node) = {
};
/* *INDENT-ON* */
+VNET_FEATURE_INIT (ip4_punt_acl_feature) = {
+ .arc_name = "ip4-punt",
+ .node_name = "ip4-punt-acl",
+ .runs_after = VNET_FEATURES ("ip4-punt-policer"),
+};
+
VLIB_NODE_FN (ip6_inacl_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- u32 *from;
- vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
- u16 nexts[VLIB_FRAME_SIZE];
-
- from = vlib_frame_vector_args (frame);
-
- vlib_get_buffers (vm, from, bufs, frame->n_vectors);
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- ip_in_out_acl_inline (vm, node, bufs, nexts, frame->n_vectors,
- 0 /* is_ip4 */ ,
- 0 /* is_output */ , 1 /* is_trace */ );
- else
- ip_in_out_acl_inline (vm, node, bufs, nexts, frame->n_vectors,
- 0 /* is_ip4 */ ,
- 0 /* is_output */ , 0 /* is_trace */ );
-
- vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
+ return ip_in_out_acl_inline (
+ vm, node, frame, IN_OUT_ACL_TABLE_IP6, &ip6_input_node, IP6_ERROR_NONE,
+ IP6_ERROR_INACL_SESSION_DENY, IP6_ERROR_INACL_TABLE_MISS, VLIB_RX,
+ 0 /* is_output */);
+}
- return frame->n_vectors;
+VLIB_NODE_FN (ip6_punt_acl_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ return ip_in_out_acl_inline (
+ vm, node, frame, IN_OUT_ACL_TABLE_IP6_PUNT, &ip6_input_node,
+ IP6_ERROR_NONE, IP6_ERROR_INACL_SESSION_DENY, IP6_ERROR_INACL_TABLE_MISS,
+ ~0 /* way */, 0 /* is_output */);
}
VLIB_NODE_FN (ip6_outacl_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- u32 *from;
- vlib_buffer_t *bufs[VLIB_FRAME_SIZE];
- u16 nexts[VLIB_FRAME_SIZE];
-
- from = vlib_frame_vector_args (frame);
-
- vlib_get_buffers (vm, from, bufs, frame->n_vectors);
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- ip_in_out_acl_inline (vm, node, bufs, nexts, frame->n_vectors,
- 0 /* is_ip4 */ ,
- 1 /* is_output */ , 1 /* is_trace */ );
- else
- ip_in_out_acl_inline (vm, node, bufs, nexts, frame->n_vectors,
- 0 /* is_ip4 */ ,
- 1 /* is_output */ , 0 /* is_trace */ );
-
- vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
-
- return frame->n_vectors;
+ return ip_in_out_acl_inline (
+ vm, node, frame, IN_OUT_ACL_TABLE_IP6, &ip6_input_node, IP6_ERROR_NONE,
+ IP6_ERROR_INACL_SESSION_DENY, IP6_ERROR_INACL_TABLE_MISS, VLIB_TX,
+ 1 /* is_output */);
}
/* *INDENT-OFF* */
@@ -921,6 +852,19 @@ VLIB_REGISTER_NODE (ip6_inacl_node) = {
},
};
+VLIB_REGISTER_NODE (ip6_punt_acl_node) = {
+ .name = "ip6-punt-acl",
+ .vector_size = sizeof (u32),
+ .format_trace = format_ip_inacl_trace,
+ .n_errors = ARRAY_LEN(ip_inacl_error_strings),
+ .error_strings = ip_inacl_error_strings,
+
+ .n_next_nodes = ACL_NEXT_INDEX_N_NEXT,
+ .next_nodes = {
+ [ACL_NEXT_INDEX_DENY] = "ip6-drop",
+ },
+};
+
VLIB_REGISTER_NODE (ip6_outacl_node) = {
.name = "ip6-outacl",
.vector_size = sizeof (u32),
@@ -935,6 +879,12 @@ VLIB_REGISTER_NODE (ip6_outacl_node) = {
};
/* *INDENT-ON* */
+VNET_FEATURE_INIT (ip6_punt_acl_feature) = {
+ .arc_name = "ip6-punt",
+ .node_name = "ip6-punt-acl",
+ .runs_after = VNET_FEATURES ("ip6-punt-policer"),
+};
+
#ifndef CLIB_MARCH_VARIANT
static clib_error_t *
ip_in_out_acl_init (vlib_main_t * vm)