diff options
| author |   Vladimir Isaev <visaev@netgate.com> | 2020-02-26 13:21:35 +0300 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2020-02-26 11:54:22 +0000 |
| commit | 7d4cd0cf6f1a94953ef97ab885752424dea6948c (patch) | |
| tree | 5cbd5c7fcee9e9be7576ca34e6280b2071d2d39f | |
| parent | 666ece35cd2625bbd8b6ddadb6e87444a617df4d (diff) | |
map: handle IPv6 extension headers for TCP/UDP
Without this patch offset for TCP/UDP headers was not calculated
correctly if there is one or more IPv6 extension headers.
Type: fix
Signed-off-by: Vladimir Isaev <visaev@netgate.com>
Change-Id: I04d6f5e42f8f072987192d6236085afbd74a4420
| -rw-r--r-- | src/plugins/map/ip6_map_t.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/plugins/map/ip6_map_t.c b/src/plugins/map/ip6_map_t.c index 01bf0f9c281..7d0cd42ff0c 100644 --- a/src/plugins/map/ip6_map_t.c +++ b/src/plugins/map/ip6_map_t.c @@ -345,7 +345,7 @@ map_ip6_to_ip4_tcp_udp (vlib_main_t * vm, vlib_buffer_t * p, if (l4_protocol == IP_PROTOCOL_TCP) { - tcp_header_t *tcp = ip6_next_header (ip6); + tcp_header_t *tcp = (tcp_header_t *) u8_ptr_add (ip6, l4_offset); if (mm->tcp_mss > 0) { csum = tcp->checksum; @@ -356,7 +356,7 @@ map_ip6_to_ip4_tcp_udp (vlib_main_t * vm, vlib_buffer_t * p, } else { - udp_header_t *udp = ip6_next_header (ip6); + udp_header_t *udp = (udp_header_t *) u8_ptr_add (ip6, l4_offset); checksum = &udp->checksum; } |