af_packet: fix the first packet offset

[vpp.git] / src / plugins / af_packet / node.c

diff --git a/src/plugins/af_packet/node.c b/src/plugins/af_packet/node.c
index 0ea4b3d..8612863 100644 (file)
--- a/src/plugins/af_packet/node.c
+++ b/src/plugins/af_packet/node.c
@@ -306,7 +306,7 @@ af_packet_v3_device_input_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
       else
        {
          num_pkts = bd->hdr.bh1.num_pkts;
-         rx_frame_offset = sizeof (block_desc_t);
+         rx_frame_offset = bd->hdr.bh1.offset_to_first_pkt;
          total++;
 
          if (TP_STATUS_BLK_TMO & bd->hdr.bh1.block_status)