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
@@ -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.
