classify: per-interface rx/tx pcap capture filters

[vpp.git] / src / vnet / ethernet / node.c

diff --git a/src/vnet/ethernet/node.c b/src/vnet/ethernet/node.c
index 9c9143d..428a8d5 100755 (executable)
--- a/src/vnet/ethernet/node.c
+++ b/src/vnet/ethernet/node.c
@@ -1125,8 +1125,18 @@ ethernet_input_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
          if (pp->pcap_sw_if_index == 0 ||
              pp->pcap_sw_if_index == vnet_buffer (b0)->sw_if_index[VLIB_RX])
            {
-             pcap_add_buffer (&pp->pcap_main, vm, bi0,
-                              pp->max_bytes_per_pkt);
+             vnet_main_t *vnm = vnet_get_main ();
+             vnet_hw_interface_t *hi =
+               vnet_get_sup_hw_interface
+               (vnm, vnet_buffer (b0)->sw_if_index[VLIB_RX]);
+
+             /* Capture pkt if not filtered, or if filter hits */
+             if (hi->trace_classify_table_index == ~0 ||
+                 vnet_is_packet_traced_inline
+                 (b0, hi->trace_classify_table_index,
+                  0 /* full classify */ ))
+               pcap_add_buffer (&pp->pcap_main, vm, bi0,
+                                pp->max_bytes_per_pkt);
            }
        }
     }