diff options
| author |   Aloys Augustin <aloaugus@cisco.com> | 2022-02-24 15:44:23 +0000 |
|---|---|---|
| committer |   Beno�t Ganne <bganne@cisco.com> | 2022-03-18 08:25:11 +0000 |
| commit | 0b77e312827f68251f10ac1f674e3e564059fc52 (patch) | |
| tree | 78aa06d74d41d2f585e09b8b9fb2fb404fe81a71 /src | |
| parent | 19658c990b9514b4e42e9a6aeb93116a6213c148 (diff) | |
ip: fix assert in ip4_ttl_inc
There is no need to verify the checksum for packets that have the IP
checksum offload flag set. This uses the same logic as
ip4_ttl_and_checksum_check.
Type: fix
Signed-off-by: Aloys Augustin <aloaugus@cisco.com>
Change-Id: I177b07212a992362a4c965c074dcecf1e504c593
Diffstat (limited to 'src')
| -rw-r--r-- | src/vnet/ip/ip4_forward.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c index 3c67bb3d4e7..3556d357f50 100644 --- a/src/vnet/ip/ip4_forward.c +++ b/src/vnet/ip/ip4_forward.c @@ -2055,7 +2055,9 @@ ip4_ttl_inc (vlib_buffer_t * b, ip4_header_t * ip) ttl += 1; ip->ttl = ttl; - ASSERT (ip4_header_checksum_is_valid (ip)); + ASSERT (ip4_header_checksum_is_valid (ip) || + (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_IP_CKSUM) || + (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_OUTER_IP_CKSUM)); } /* Decrement TTL & update checksum. |