diff options
| author |   Andrej Kozemcak <andrej.kozemcak@pantheon.tech> | 2019-01-07 08:39:22 +0100 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2019-01-07 16:43:37 +0000 |
| commit | 9d7570ccde4ded1c5feea097b10272870bfc81da (patch) | |
| tree | 8b1134069f2aff34c7be5bb0810769cdb94333b8 /src | |
| parent | 7baeb71f92826ee6ef02ab2c3d16484bb64d9301 (diff) | |
Fix TCP checksum.
Set TCP checksum to zero, before calculate the TCP checksum.
Change-Id: Id96743334481804b8ebb74afef2f1dbfed29e0cb
Signed-off-by: Andrej Kozemcak <andrej.kozemcak@pantheon.tech>
Diffstat (limited to 'src')
| -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); } |