- while (n_left_from > 0 && n_left_to_next > 0)
- {
- const ipsec_tunnel_if_t *t0;
- u32 bi0, next0, len0;
- vlib_buffer_t *b0;
-
- bi0 = to_next[0] = from[0];
- from += 1;
- n_left_from -= 1;
- to_next += 1;
- n_left_to_next -= 1;
- b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- t0 = ipsec_tun_get_by_sw_if_index (sw_if_index0);
- vnet_buffer (b0)->ipsec.sad_index = t0->output_sa_index;
-
- /* 0, tx-node next[0] was added by vlib_node_add_next_with_slot */
- next0 = 0;
-
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE (sw_if_index0 == last_sw_if_index))
- {
- n_packets++;
- n_bytes += len0;
- }
- else
- {
- vlib_increment_combined_counter (vim->combined_sw_if_counters +
- VNET_INTERFACE_COUNTER_TX,
- thread_index, sw_if_index0,
- n_packets, n_bytes);
- last_sw_if_index = sw_if_index0;
- n_packets = 1;
- n_bytes = len0;
- }
-
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- ipsec_if_tx_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- ipsec_sa_t *sa0 =
- pool_elt_at_index (im->sad, t0->output_sa_index);
- tr->spi = sa0->spi;
- tr->seq = sa0->seq;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, bi0, next0);
- }
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }