- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE))) {
- if (b0->flags & VLIB_BUFFER_IS_TRACED) {
- l2_invtr_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;
- clib_memcpy(t->src, h0->src_address, 6);
- clib_memcpy(t->dst, h0->dst_address, 6);
- clib_memcpy(t->raw, &h0->type, sizeof(t->raw));
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED) {
- l2_invtr_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_index0;
- clib_memcpy(t->src, h1->src_address, 6);
- clib_memcpy(t->dst, h1->dst_address, 6);
- clib_memcpy(t->raw, &h1->type, sizeof(t->raw));
- }
- }
-
- /* 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 packets */
+
+ /* Remove ourself from the feature bitmap */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2INPUT_FEAT_VTR;
+ feature_bitmap1 =
+ vnet_buffer (b1)->l2.feature_bitmap & ~L2INPUT_FEAT_VTR;
+
+ /* save for next feature graph nodes */
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap0;
+ vnet_buffer (b1)->l2.feature_bitmap = feature_bitmap1;
+
+ /* Determine the next node */
+ next0 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ feature_bitmap0);
+ next1 = feat_bitmap_get_next_node_index (msm->feat_next_node_index,
+ feature_bitmap1);
+
+ l2_output_config_t *config0;
+ l2_output_config_t *config1;
+ config0 = vec_elt_at_index (l2output_main.configs, sw_if_index0);
+ config1 = vec_elt_at_index (l2output_main.configs, sw_if_index1);
+
+ if (PREDICT_FALSE (config0->out_vtr_flag))
+ {
+ if (config0->output_vtr.push_and_pop_bytes)
+ {
+ /* perform the tag rewrite on two packets */
+ if (l2_vtr_process
+ (b0,
+ &(vec_elt_at_index
+ (l2output_main.configs, sw_if_index0)->input_vtr)))
+ {
+ /* Drop packet */
+ next0 = L2_INVTR_NEXT_DROP;
+ b0->error = node->errors[L2_INVTR_ERROR_DROP];
+ }
+ }
+ else if (config0->output_pbb_vtr.push_and_pop_bytes)
+ {
+ if (l2_pbb_process (b0, &(config0->input_pbb_vtr)))
+ {
+ /* Drop packet */
+ next0 = L2_INVTR_NEXT_DROP;
+ b0->error = node->errors[L2_INVTR_ERROR_DROP];
+ }
+ }
+ }
+ if (PREDICT_FALSE (config1->out_vtr_flag))
+ {
+ if (config1->output_vtr.push_and_pop_bytes)
+ {
+ if (l2_vtr_process
+ (b1,
+ &(vec_elt_at_index
+ (l2output_main.configs, sw_if_index1)->input_vtr)))
+ {
+ /* Drop packet */
+ next1 = L2_INVTR_NEXT_DROP;
+ b1->error = node->errors[L2_INVTR_ERROR_DROP];
+ }
+ }
+ else if (config1->output_pbb_vtr.push_and_pop_bytes)
+ {
+ if (l2_pbb_process (b1, &(config1->input_pbb_vtr)))
+ {
+ /* Drop packet */
+ next1 = L2_INVTR_NEXT_DROP;
+ b1->error = node->errors[L2_INVTR_ERROR_DROP];
+ }
+ }
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_invtr_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;
+ clib_memcpy (t->src, h0->src_address, 6);
+ clib_memcpy (t->dst, h0->dst_address, 6);
+ clib_memcpy (t->raw, &h0->type, sizeof (t->raw));
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ l2_invtr_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_index0;
+ clib_memcpy (t->src, h1->src_address, 6);
+ clib_memcpy (t->dst, h1->dst_address, 6);
+ clib_memcpy (t->raw, &h1->type, sizeof (t->raw));
+ }
+ }
+
+ /* 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);
+ }
+