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-rw-r--r--src/vnet/adj/adj_midchain.c546
1 files changed, 251 insertions, 295 deletions
diff --git a/src/vnet/adj/adj_midchain.c b/src/vnet/adj/adj_midchain.c
index 88648fea0a9..4741ec9a953 100644
--- a/src/vnet/adj/adj_midchain.c
+++ b/src/vnet/adj/adj_midchain.c
@@ -25,14 +25,6 @@
#include <vnet/fib/fib_entry.h>
/**
- * The two midchain tx feature node indices
- */
-static u32 adj_midchain_tx_feature_node[VNET_LINK_NUM];
-static u32 adj_midchain_tx_no_count_feature_node[VNET_LINK_NUM];
-
-static u32 *adj_midchain_feat_count_per_sw_if_index[VNET_LINK_NUM];
-
-/**
* @brief Trace data for packets traversing the midchain tx node
*/
typedef struct adj_midchain_tx_trace_t_
@@ -49,203 +41,158 @@ adj_midchain_tx_inline (vlib_main_t * vm,
vlib_frame_t * frame,
int interface_count)
{
- u32 * from, * to_next, n_left_from, n_left_to_next;
- u32 next_index;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
+ u16 nexts[VLIB_FRAME_SIZE], *next;
+ u32 * from, n_left, thread_index;
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
- u32 thread_index = vm->thread_index;
- /* Vector of buffer / pkt indices we're supposed to process */
+ thread_index = vm->thread_index;
+ n_left = frame->n_vectors;
from = vlib_frame_vector_args (frame);
- /* Number of buffers / pkts */
- n_left_from = frame->n_vectors;
+ vlib_get_buffers (vm, from, bufs, n_left);
- /* Speculatively send the first buffer to the last disposition we used */
- next_index = node->cached_next_index;
+ next = nexts;
+ b = bufs;
- while (n_left_from > 0)
+ while (n_left > 8)
{
- /* set up to enqueue to our disposition with index = next_index */
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ u32 adj_index0, adj_index1, adj_index2, adj_index3;
+ const ip_adjacency_t *adj0, *adj1, *adj2, *adj3;
+ const dpo_id_t *dpo0, *dpo1, *dpo2, *dpo3;
- while (n_left_from >= 8 && n_left_to_next > 4)
- {
- const ip_adjacency_t *adj0, *adj1, *adj2, *adj3;
- const dpo_id_t *dpo0, *dpo1, *dpo2, *dpo3;
- vlib_buffer_t * b0, *b1, *b2, *b3;
- u32 bi0, adj_index0, next0;
- u32 bi1, adj_index1, next1;
- u32 bi2, adj_index2, next2;
- u32 bi3, adj_index3, next3;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t * p4, * p5;
- vlib_buffer_t * p6, * p7;
-
- p4 = vlib_get_buffer (vm, from[4]);
- p5 = vlib_get_buffer (vm, from[5]);
- p6 = vlib_get_buffer (vm, from[6]);
- p7 = vlib_get_buffer (vm, from[7]);
-
- vlib_prefetch_buffer_header (p4, LOAD);
- vlib_prefetch_buffer_header (p5, LOAD);
- vlib_prefetch_buffer_header (p6, LOAD);
- vlib_prefetch_buffer_header (p7, LOAD);
- }
-
- bi0 = from[0];
- to_next[0] = bi0;
- bi1 = from[1];
- to_next[1] = bi1;
- bi2 = from[2];
- to_next[2] = bi2;
- bi3 = from[3];
- to_next[3] = bi3;
-
- from += 4;
- to_next += 4;
- n_left_from -= 4;
- n_left_to_next -= 4;
-
- b0 = vlib_get_buffer(vm, bi0);
- b1 = vlib_get_buffer(vm, bi1);
- b2 = vlib_get_buffer(vm, bi2);
- b3 = vlib_get_buffer(vm, bi3);
-
- /* Follow the DPO on which the midchain is stacked */
- adj_index0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX];
- adj_index1 = vnet_buffer(b1)->ip.adj_index[VLIB_TX];
- adj_index2 = vnet_buffer(b2)->ip.adj_index[VLIB_TX];
- adj_index3 = vnet_buffer(b3)->ip.adj_index[VLIB_TX];
-
- adj0 = adj_get(adj_index0);
- adj1 = adj_get(adj_index1);
- adj2 = adj_get(adj_index2);
- adj3 = adj_get(adj_index3);
-
- dpo0 = &adj0->sub_type.midchain.next_dpo;
- dpo1 = &adj1->sub_type.midchain.next_dpo;
- dpo2 = &adj2->sub_type.midchain.next_dpo;
- dpo3 = &adj3->sub_type.midchain.next_dpo;
-
- next0 = dpo0->dpoi_next_node;
- next1 = dpo1->dpoi_next_node;
- next2 = dpo2->dpoi_next_node;
- next3 = dpo3->dpoi_next_node;
-
- vnet_buffer(b1)->ip.adj_index[VLIB_TX] = dpo1->dpoi_index;
- vnet_buffer(b0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
- vnet_buffer(b2)->ip.adj_index[VLIB_TX] = dpo2->dpoi_index;
- vnet_buffer(b3)->ip.adj_index[VLIB_TX] = dpo3->dpoi_index;
-
- if (interface_count)
- {
- vlib_increment_combined_counter (im->combined_sw_if_counters
- + VNET_INTERFACE_COUNTER_TX,
- thread_index,
- adj0->rewrite_header.sw_if_index,
- 1,
- vlib_buffer_length_in_chain (vm, b0));
- vlib_increment_combined_counter (im->combined_sw_if_counters
- + VNET_INTERFACE_COUNTER_TX,
- thread_index,
- adj1->rewrite_header.sw_if_index,
- 1,
- vlib_buffer_length_in_chain (vm, b1));
- vlib_increment_combined_counter (im->combined_sw_if_counters
- + VNET_INTERFACE_COUNTER_TX,
- thread_index,
- adj2->rewrite_header.sw_if_index,
- 1,
- vlib_buffer_length_in_chain (vm, b2));
- vlib_increment_combined_counter (im->combined_sw_if_counters
- + VNET_INTERFACE_COUNTER_TX,
- thread_index,
- adj3->rewrite_header.sw_if_index,
- 1,
- vlib_buffer_length_in_chain (vm, b3));
- }
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
- b0, sizeof (*tr));
- tr->ai = adj_index0;
- }
- if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
- {
- adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
- b1, sizeof (*tr));
- tr->ai = adj_index1;
- }
- if (PREDICT_FALSE(b2->flags & VLIB_BUFFER_IS_TRACED))
- {
- adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
- b2, sizeof (*tr));
- tr->ai = adj_index2;
- }
- if (PREDICT_FALSE(b3->flags & VLIB_BUFFER_IS_TRACED))
- {
- adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
- b3, sizeof (*tr));
- tr->ai = adj_index3;
- }
-
- vlib_validate_buffer_enqueue_x4 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, bi2, bi3,
- next0, next1, next2, next3);
- }
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0, adj_index0, next0;
- const ip_adjacency_t * adj0;
- const dpo_id_t *dpo0;
- vlib_buffer_t * b0;
-
- 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);
-
- /* Follow the DPO on which the midchain is stacked */
- adj_index0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX];
- adj0 = adj_get(adj_index0);
- dpo0 = &adj0->sub_type.midchain.next_dpo;
- next0 = dpo0->dpoi_next_node;
- vnet_buffer(b0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
-
- if (interface_count)
- {
- vlib_increment_combined_counter (im->combined_sw_if_counters
- + VNET_INTERFACE_COUNTER_TX,
- thread_index,
- adj0->rewrite_header.sw_if_index,
- 1,
- vlib_buffer_length_in_chain (vm, b0));
- }
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
- b0, sizeof (*tr));
- tr->ai = adj_index0;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
+ /* Prefetch next iteration. */
+ {
+ vlib_prefetch_buffer_header (b[4], LOAD);
+ vlib_prefetch_buffer_header (b[5], LOAD);
+ vlib_prefetch_buffer_header (b[6], LOAD);
+ vlib_prefetch_buffer_header (b[7], LOAD);
+ }
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ /* Follow the DPO on which the midchain is stacked */
+ adj_index0 = vnet_buffer(b[0])->ip.adj_index[VLIB_TX];
+ adj_index1 = vnet_buffer(b[1])->ip.adj_index[VLIB_TX];
+ adj_index2 = vnet_buffer(b[2])->ip.adj_index[VLIB_TX];
+ adj_index3 = vnet_buffer(b[3])->ip.adj_index[VLIB_TX];
+
+ adj0 = adj_get(adj_index0);
+ adj1 = adj_get(adj_index1);
+ adj2 = adj_get(adj_index2);
+ adj3 = adj_get(adj_index3);
+
+ dpo0 = &adj0->sub_type.midchain.next_dpo;
+ dpo1 = &adj1->sub_type.midchain.next_dpo;
+ dpo2 = &adj2->sub_type.midchain.next_dpo;
+ dpo3 = &adj3->sub_type.midchain.next_dpo;
+
+ next[0] = dpo0->dpoi_next_node;
+ next[1] = dpo1->dpoi_next_node;
+ next[2] = dpo2->dpoi_next_node;
+ next[3] = dpo3->dpoi_next_node;
+
+ vnet_buffer(b[0])->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
+ vnet_buffer(b[1])->ip.adj_index[VLIB_TX] = dpo1->dpoi_index;
+ vnet_buffer(b[2])->ip.adj_index[VLIB_TX] = dpo2->dpoi_index;
+ vnet_buffer(b[3])->ip.adj_index[VLIB_TX] = dpo3->dpoi_index;
+
+ if (interface_count)
+ {
+ vlib_increment_combined_counter (im->combined_sw_if_counters
+ + VNET_INTERFACE_COUNTER_TX,
+ thread_index,
+ adj0->rewrite_header.sw_if_index,
+ 1,
+ vlib_buffer_length_in_chain (vm, b[0]));
+ vlib_increment_combined_counter (im->combined_sw_if_counters
+ + VNET_INTERFACE_COUNTER_TX,
+ thread_index,
+ adj1->rewrite_header.sw_if_index,
+ 1,
+ vlib_buffer_length_in_chain (vm, b[1]));
+ vlib_increment_combined_counter (im->combined_sw_if_counters
+ + VNET_INTERFACE_COUNTER_TX,
+ thread_index,
+ adj2->rewrite_header.sw_if_index,
+ 1,
+ vlib_buffer_length_in_chain (vm, b[2]));
+ vlib_increment_combined_counter (im->combined_sw_if_counters
+ + VNET_INTERFACE_COUNTER_TX,
+ thread_index,
+ adj3->rewrite_header.sw_if_index,
+ 1,
+ vlib_buffer_length_in_chain (vm, b[3]));
+ }
+
+ if (PREDICT_FALSE(node->flags & VLIB_NODE_FLAG_TRACE))
+ {
+ if (PREDICT_FALSE(b[0]->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
+ b[0], sizeof (*tr));
+ tr->ai = adj_index0;
+ }
+ if (PREDICT_FALSE(b[1]->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
+ b[1], sizeof (*tr));
+ tr->ai = adj_index1;
+ }
+ if (PREDICT_FALSE(b[2]->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
+ b[2], sizeof (*tr));
+ tr->ai = adj_index2;
+ }
+ if (PREDICT_FALSE(b[3]->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
+ b[3], sizeof (*tr));
+ tr->ai = adj_index3;
+ }
+ }
+ n_left -= 4;
+ b += 4;
+ next += 4;
}
+ while (n_left)
+ {
+ const ip_adjacency_t * adj0;
+ const dpo_id_t *dpo0;
+ u32 adj_index0;
+
+ /* Follow the DPO on which the midchain is stacked */
+ adj_index0 = vnet_buffer(b[0])->ip.adj_index[VLIB_TX];
+ adj0 = adj_get(adj_index0);
+ dpo0 = &adj0->sub_type.midchain.next_dpo;
+ next[0] = dpo0->dpoi_next_node;
+ vnet_buffer(b[0])->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
+
+ if (interface_count)
+ {
+ vlib_increment_combined_counter (im->combined_sw_if_counters
+ + VNET_INTERFACE_COUNTER_TX,
+ thread_index,
+ adj0->rewrite_header.sw_if_index,
+ 1,
+ vlib_buffer_length_in_chain (vm, b[0]));
+ }
+
+ if (PREDICT_FALSE(b[0]->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
+ b[0], sizeof (*tr));
+ tr->ai = adj_index0;
+ }
+
+ n_left -= 1;
+ b += 1;
+ next += 1;
+ }
+
+ vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
+
return frame->n_vectors;
}
@@ -271,7 +218,7 @@ adj_midchain_tx (vlib_main_t * vm,
return (adj_midchain_tx_inline(vm, node, frame, 1));
}
-VLIB_REGISTER_NODE (adj_midchain_tx_node, static) = {
+VLIB_REGISTER_NODE (adj_midchain_tx_node) = {
.function = adj_midchain_tx,
.name = "adj-midchain-tx",
.vector_size = sizeof (u32),
@@ -292,79 +239,44 @@ adj_midchain_tx_no_count (vlib_main_t * vm,
return (adj_midchain_tx_inline(vm, node, frame, 0));
}
-VLIB_REGISTER_NODE (adj_midchain_tx_no_count_node, static) = {
+VLIB_REGISTER_NODE (adj_midchain_tx_no_count_node) = {
.function = adj_midchain_tx_no_count,
.name = "adj-midchain-tx-no-count",
.vector_size = sizeof (u32),
.format_trace = format_adj_midchain_tx_trace,
-
- .n_next_nodes = 1,
- .next_nodes = {
- [0] = "error-drop",
- },
+ .sibling_of = "adj-midchain-tx",
};
-VNET_FEATURE_INIT (adj_midchain_tx_ip4, static) = {
- .arc_name = "ip4-output",
- .node_name = "adj-midchain-tx",
- .runs_before = VNET_FEATURES ("interface-output"),
- .feature_index_ptr = &adj_midchain_tx_feature_node[VNET_LINK_IP4],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_no_count_ip4, static) = {
- .arc_name = "ip4-output",
- .node_name = "adj-midchain-tx-no-count",
- .runs_before = VNET_FEATURES ("interface-output"),
- .feature_index_ptr = &adj_midchain_tx_no_count_feature_node[VNET_LINK_IP4],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_ip6, static) = {
- .arc_name = "ip6-output",
- .node_name = "adj-midchain-tx",
- .runs_before = VNET_FEATURES ("interface-output"),
- .feature_index_ptr = &adj_midchain_tx_feature_node[VNET_LINK_IP6],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_no_count_ip6, static) = {
- .arc_name = "ip6-output",
- .node_name = "adj-midchain-tx-no-count",
- .runs_before = VNET_FEATURES ("interface-output"),
- .feature_index_ptr = &adj_midchain_tx_no_count_feature_node[VNET_LINK_IP6],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_mpls, static) = {
- .arc_name = "mpls-output",
- .node_name = "adj-midchain-tx",
- .runs_before = VNET_FEATURES ("interface-output"),
- .feature_index_ptr = &adj_midchain_tx_feature_node[VNET_LINK_MPLS],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_no_count_mpls, static) = {
- .arc_name = "mpls-output",
- .node_name = "adj-midchain-tx-no-count",
- .runs_before = VNET_FEATURES ("interface-output"),
- .feature_index_ptr = &adj_midchain_tx_no_count_feature_node[VNET_LINK_MPLS],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_ethernet, static) = {
- .arc_name = "ethernet-output",
- .node_name = "adj-midchain-tx",
- .runs_before = VNET_FEATURES ("error-drop"),
- .feature_index_ptr = &adj_midchain_tx_feature_node[VNET_LINK_ETHERNET],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_no_count_ethernet, static) = {
- .arc_name = "ethernet-output",
- .node_name = "adj-midchain-tx-no-count",
- .runs_before = VNET_FEATURES ("error-drop"),
- .feature_index_ptr = &adj_midchain_tx_no_count_feature_node[VNET_LINK_ETHERNET],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_nsh, static) = {
- .arc_name = "nsh-output",
- .node_name = "adj-midchain-tx",
- .runs_before = VNET_FEATURES ("error-drop"),
- .feature_index_ptr = &adj_midchain_tx_feature_node[VNET_LINK_NSH],
-};
-VNET_FEATURE_INIT (adj_midchain_tx_no_count_nsh, static) = {
- .arc_name = "nsh-output",
- .node_name = "adj-midchain-tx-no-count",
- .runs_before = VNET_FEATURES ("error-drop"),
- .feature_index_ptr = &adj_midchain_tx_no_count_feature_node[VNET_LINK_NSH],
-};
+#ifndef CLIB_MARCH_VARIANT
+
+u8
+adj_is_midchain (adj_index_t ai)
+{
+ ip_adjacency_t *adj;
+
+ adj = adj_get(ai);
+
+ switch (adj->lookup_next_index)
+ {
+ case IP_LOOKUP_NEXT_MIDCHAIN:
+ case IP_LOOKUP_NEXT_MCAST_MIDCHAIN:
+ return (1);
+ case IP_LOOKUP_NEXT_ARP:
+ case IP_LOOKUP_NEXT_GLEAN:
+ case IP_LOOKUP_NEXT_BCAST:
+ case IP_LOOKUP_NEXT_MCAST:
+ case IP_LOOKUP_NEXT_DROP:
+ case IP_LOOKUP_NEXT_PUNT:
+ case IP_LOOKUP_NEXT_LOCAL:
+ case IP_LOOKUP_NEXT_REWRITE:
+ case IP_LOOKUP_NEXT_ICMP_ERROR:
+ case IP_LOOKUP_N_NEXT:
+ return (0);
+ }
+
+ return (0);
+}
static inline u32
adj_get_midchain_node (vnet_link_t link)
@@ -436,17 +348,6 @@ adj_nbr_midchain_get_tx_node (ip_adjacency_t *adj)
adj_midchain_tx_node.index);
}
-static u32
-adj_nbr_midchain_get_feature_node (ip_adjacency_t *adj)
-{
- if (adj->ia_flags & ADJ_FLAG_MIDCHAIN_NO_COUNT)
- {
- return (adj_midchain_tx_no_count_feature_node[adj->ia_link]);
- }
-
- return (adj_midchain_tx_feature_node[adj->ia_link]);
-}
-
/**
* adj_midchain_setup
*
@@ -455,20 +356,17 @@ adj_nbr_midchain_get_feature_node (ip_adjacency_t *adj)
void
adj_midchain_teardown (ip_adjacency_t *adj)
{
- u32 feature_index;
- u8 arc_index;
+ vlib_main_t *vm = vlib_get_main();
dpo_reset(&adj->sub_type.midchain.next_dpo);
- arc_index = adj_midchain_get_feature_arc_index_for_link_type (adj);
- feature_index = adj_nbr_midchain_get_feature_node(adj);
-
- if (0 == --adj_midchain_feat_count_per_sw_if_index[adj->ia_link][adj->rewrite_header.sw_if_index])
- {
- vnet_feature_enable_disable_with_index (arc_index, feature_index,
- adj->rewrite_header.sw_if_index,
- 0, 0, 0);
- }
+ vlib_worker_thread_barrier_sync(vm);
+ vnet_feature_modify_end_node(
+ adj_midchain_get_feature_arc_index_for_link_type (adj),
+ adj->rewrite_header.sw_if_index,
+ vlib_get_node_by_name (vlib_get_main(),
+ (u8*) "interface-output")->index);
+ vlib_worker_thread_barrier_release(vm);
}
/**
@@ -482,9 +380,9 @@ adj_midchain_setup (adj_index_t adj_index,
const void *data,
adj_flags_t flags)
{
- u32 feature_index, tx_node;
+ vlib_main_t *vm = vlib_get_main();
ip_adjacency_t *adj;
- u8 arc_index;
+ u32 tx_node;
ASSERT(ADJ_INDEX_INVALID != adj_index);
@@ -495,19 +393,23 @@ adj_midchain_setup (adj_index_t adj_index,
adj->sub_type.midchain.fei = FIB_NODE_INDEX_INVALID;
adj->ia_flags |= flags;
- arc_index = adj_midchain_get_feature_arc_index_for_link_type (adj);
- feature_index = adj_nbr_midchain_get_feature_node(adj);
- tx_node = adj_nbr_midchain_get_tx_node(adj);
-
- vec_validate (adj_midchain_feat_count_per_sw_if_index[adj->ia_link],
- adj->rewrite_header.sw_if_index);
-
- if (0 == adj_midchain_feat_count_per_sw_if_index[adj->ia_link][adj->rewrite_header.sw_if_index]++)
+ if (flags & ADJ_FLAG_MIDCHAIN_FIXUP_IP4O4_HDR)
{
- vnet_feature_enable_disable_with_index (arc_index, feature_index,
- adj->rewrite_header.sw_if_index,
- 1 /* enable */, 0, 0);
+ adj->rewrite_header.flags |= VNET_REWRITE_FIXUP_IP4_O_4;
}
+ else
+ {
+ adj->rewrite_header.flags &= ~VNET_REWRITE_FIXUP_IP4_O_4;
+ }
+
+ tx_node = adj_nbr_midchain_get_tx_node(adj);
+
+ vlib_worker_thread_barrier_sync(vm);
+ vnet_feature_modify_end_node(
+ adj_midchain_get_feature_arc_index_for_link_type (adj),
+ adj->rewrite_header.sw_if_index,
+ tx_node);
+ vlib_worker_thread_barrier_release(vm);
/*
* stack the midchain on the drop so it's ready to forward in the adj-midchain-tx.
@@ -561,6 +463,58 @@ adj_nbr_midchain_update_rewrite (adj_index_t adj_index,
rewrite);
}
+void
+adj_nbr_midchain_update_next_node (adj_index_t adj_index,
+ u32 next_node)
+{
+ ip_adjacency_t *adj;
+ vlib_main_t * vm;
+
+ ASSERT(ADJ_INDEX_INVALID != adj_index);
+
+ adj = adj_get(adj_index);
+ vm = vlib_get_main();
+
+ vlib_worker_thread_barrier_sync(vm);
+
+ adj->rewrite_header.next_index = vlib_node_add_next(vlib_get_main(),
+ adj->ia_node_index,
+ next_node);
+
+ vnet_feature_modify_end_node(
+ adj_midchain_get_feature_arc_index_for_link_type (adj),
+ adj->rewrite_header.sw_if_index,
+ next_node);
+
+ vlib_worker_thread_barrier_release(vm);
+}
+
+void
+adj_nbr_midchain_reset_next_node(adj_index_t adj_index)
+{
+ ip_adjacency_t *adj;
+ vlib_main_t * vm;
+
+ ASSERT(ADJ_INDEX_INVALID != adj_index);
+
+ adj = adj_get(adj_index);
+ vm = vlib_get_main();
+
+ vlib_worker_thread_barrier_sync(vm);
+
+ adj->rewrite_header.next_index =
+ vlib_node_add_next(vlib_get_main(),
+ adj->ia_node_index,
+ adj_nbr_midchain_get_tx_node(adj));
+
+ vnet_feature_modify_end_node(
+ adj_midchain_get_feature_arc_index_for_link_type (adj),
+ adj->rewrite_header.sw_if_index,
+ adj_nbr_midchain_get_tx_node(adj));
+
+ vlib_worker_thread_barrier_release(vm);
+}
+
/**
* adj_nbr_midchain_unstack
*
@@ -810,3 +764,5 @@ adj_midchain_module_init (void)
{
dpo_register(DPO_ADJACENCY_MIDCHAIN, &adj_midchain_dpo_vft, midchain_nodes);
}
+
+#endif