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-rw-r--r--src/vnet/adj/adj_l2.c44
1 files changed, 30 insertions, 14 deletions
diff --git a/src/vnet/adj/adj_l2.c b/src/vnet/adj/adj_l2.c
index a289158c7f3..5413eca6212 100644
--- a/src/vnet/adj/adj_l2.c
+++ b/src/vnet/adj/adj_l2.c
@@ -48,7 +48,8 @@ always_inline uword
adj_l2_rewrite_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame,
- int is_midchain)
+ int is_midchain,
+ int do_counters)
{
u32 * from = vlib_frame_vector_args (frame);
u32 n_left_from, n_left_to_next, * to_next, next_index;
@@ -67,7 +68,7 @@ adj_l2_rewrite_inline (vlib_main_t * vm,
ip_adjacency_t * adj0;
vlib_buffer_t * p0;
char *h0;
- u32 pi0, rw_len0, adj_index0, next0 = 0;
+ u32 pi0, rw_len0, len0, adj_index0, next0 = 0;
u32 tx_sw_if_index0;
pi0 = to_next[0] = from[0];
@@ -83,29 +84,30 @@ adj_l2_rewrite_inline (vlib_main_t * vm,
adj0 = adj_get (adj_index0);
- /* Guess we are only writing on simple Ethernet header. */
+ /* Guess we are writing on ip4 header. */
vnet_rewrite_one_header (adj0[0], h0,
- sizeof (ethernet_header_t));
+ //sizeof (gre_header_t) +
+ sizeof (ip4_header_t));
/* Update packet buffer attributes/set output interface. */
rw_len0 = adj0[0].rewrite_header.data_bytes;
vnet_buffer(p0)->ip.save_rewrite_length = rw_len0;
vnet_buffer(p0)->sw_if_index[VLIB_TX] = adj0->rewrite_header.sw_if_index;
+ len0 = vlib_buffer_length_in_chain (vm, p0);
/* since we are coming out of the L2 world, where the vlib_buffer
* union is used for other things, make sure it is clean for
* MPLS from now on.
*/
vnet_buffer(p0)->mpls.first = 0;
- vlib_increment_combined_counter(&adjacency_counters,
- thread_index,
- adj_index0,
- /* packet increment */ 0,
- /* byte increment */ rw_len0);
+ if (do_counters)
+ vlib_increment_combined_counter(&adjacency_counters,
+ thread_index,
+ adj_index0,
+ 0, len0);
/* Check MTU of outgoing interface. */
- if (PREDICT_TRUE((vlib_buffer_length_in_chain (vm, p0) <=
- adj0[0].rewrite_header.max_l3_packet_bytes)))
+ if (PREDICT_TRUE(len0 <= adj0[0].rewrite_header.max_l3_packet_bytes))
{
/* Don't adjust the buffer for ttl issue; icmp-error node wants
* to see the IP header */
@@ -126,7 +128,15 @@ adj_l2_rewrite_inline (vlib_main_t * vm,
* Follow the feature ARC. this will result eventually in
* the midchain-tx node
*/
- vnet_feature_arc_start(em->output_feature_arc_index, tx_sw_if_index0, &next0, p0);
+ if (PREDICT_FALSE (adj0->rewrite_header.flags &
+ VNET_REWRITE_HAS_FEATURES))
+ vnet_feature_arc_start_w_cfg_index (
+ em->output_feature_arc_index,
+ tx_sw_if_index0,
+ &next0, p0,
+ adj0->ia_cfg_index);
+ else
+ next0 = adj0[0].rewrite_header.next_index;
}
else
{
@@ -156,14 +166,20 @@ VLIB_NODE_FN (adj_l2_rewrite_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return adj_l2_rewrite_inline (vm, node, frame, 0);
+ if (adj_are_counters_enabled ())
+ return adj_l2_rewrite_inline (vm, node, frame, 0, 1);
+ else
+ return adj_l2_rewrite_inline (vm, node, frame, 0, 0);
}
VLIB_NODE_FN (adj_l2_midchain_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
{
- return adj_l2_rewrite_inline (vm, node, frame, 1);
+ if (adj_are_counters_enabled ())
+ return adj_l2_rewrite_inline (vm, node, frame, 1, 1);
+ else
+ return adj_l2_rewrite_inline (vm, node, frame, 1, 0);
}
VLIB_REGISTER_NODE (adj_l2_rewrite_node) = {