diff options
Diffstat (limited to 'src/vnet/interface_output.c')
| -rw-r--r-- | src/vnet/interface_output.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/vnet/interface_output.c b/src/vnet/interface_output.c index 251ff34ac9a..6c2345be270 100644 --- a/src/vnet/interface_output.c +++ b/src/vnet/interface_output.c @@ -802,6 +802,43 @@ vnet_interface_output_node_inline_gso (vlib_main_t * vm, return n_buffers; } +static_always_inline void vnet_interface_pcap_tx_trace + (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, + int sw_if_index_from_buffer) +{ + u32 n_left_from, *from; + u32 sw_if_index; + + if (PREDICT_TRUE (vm->pcap[VLIB_TX].pcap_enable == 0)) + return; + + if (sw_if_index_from_buffer == 0) + { + vnet_interface_output_runtime_t *rt = (void *) node->runtime_data; + sw_if_index = rt->sw_if_index; + } + else + sw_if_index = ~0; + + n_left_from = frame->n_vectors; + from = vlib_frame_vector_args (frame); + + while (n_left_from > 0) + { + u32 bi0 = from[0]; + vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0); + + if (sw_if_index_from_buffer) + sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX]; + + if (vm->pcap[VLIB_TX].pcap_sw_if_index == 0 || + vm->pcap[VLIB_TX].pcap_sw_if_index == sw_if_index) + pcap_add_buffer (&vm->pcap[VLIB_TX].pcap_main, vm, bi0, 512); + from++; + n_left_from--; + } +} + static_always_inline uword vnet_interface_output_node_inline (vlib_main_t * vm, vlib_node_runtime_t * node, @@ -809,6 +846,9 @@ vnet_interface_output_node_inline (vlib_main_t * vm, vnet_hw_interface_t * hi, int do_tx_offloads) { + vnet_interface_pcap_tx_trace (vm, node, frame, + 0 /* sw_if_index_from_buffer */ ); + /* * The 3-headed "if" is here because we want to err on the side * of not impacting the non-GSO performance - so for the more @@ -838,6 +878,9 @@ vnet_interface_output_node (vlib_main_t * vm, vlib_node_runtime_t * node, vnet_interface_output_runtime_t *rt = (void *) node->runtime_data; hi = vnet_get_sup_hw_interface (vnm, rt->sw_if_index); + vnet_interface_pcap_tx_trace (vm, node, frame, + 0 /* sw_if_index_from_buffer */ ); + if (hi->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD) return vnet_interface_output_node_inline (vm, node, frame, vnm, hi, /* do_tx_offloads */ 0); @@ -856,6 +899,9 @@ vnet_per_buffer_interface_output (vlib_main_t * vm, u32 n_left_to_next, *from, *to_next; u32 n_left_from, next_index; + vnet_interface_pcap_tx_trace (vm, node, frame, + 1 /* sw_if_index_from_buffer */ ); + n_left_from = frame->n_vectors; from = vlib_frame_vector_args (frame); |