diff options
| -rw-r--r-- | src/vnet/interface_output.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/vnet/interface_output.c b/src/vnet/interface_output.c index 34f0a977131..ba69d36b6c4 100644 --- a/src/vnet/interface_output.c +++ b/src/vnet/interface_output.c @@ -181,7 +181,10 @@ calc_checksums (vlib_main_t * vm, vlib_buffer_t * b) if (b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM) ip4->checksum = ip4_header_checksum (ip4); if (b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM) - th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); + { + th->checksum = 0; + th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); + } if (b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM) uh->checksum = ip4_tcp_udp_compute_checksum (vm, b, ip4); } |