diff options
| author |   John Lo <loj@cisco.com> | 2019-08-03 14:36:39 -0400 |
|---|---|---|
| committer | John Lo <loj@cisco.com> | 2019-08-05 13:08:20 +0000 |
| commit | 1e567ddb35cb2b1c3b0200c9e8b6c8d2ec2533ae (patch) | |
| tree | 6817367e34c1f8e7013e851a9d266b66333079ad /src/vnet/ip/ip4_forward.c | |
| parent | 5672495dc096f165714c5ce3a321059c35b545f1 (diff) | |
ip: fix ip6/udp checksum for pkts using buffer chaining
Fix ip6_tcp_udp_icmp_compute_checksum to work properly for packets
with multiple buffers.
Fix ip4_tcp_udp_compute_checksum to exit upon detecting error.
Type: fix
Signed-off-by: John Lo <loj@cisco.com>
Change-Id: I673547f4479d72cd60757383343fc562cff10265
(cherry picked from commit 3bc6bc21fb79a9da4ec674f5e6a3303e7e2be625)
Diffstat (limited to 'src/vnet/ip/ip4_forward.c')
| -rw-r--r-- | src/vnet/ip/ip4_forward.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c index e18a40b27e5..4d7aa069e84 100644 --- a/src/vnet/ip/ip4_forward.c +++ b/src/vnet/ip/ip4_forward.c @@ -1172,6 +1172,9 @@ ip4_tcp_udp_compute_checksum (vlib_main_t * vm, vlib_buffer_t * p0, break; ASSERT (p0->flags & VLIB_BUFFER_NEXT_PRESENT); + if (!(p0->flags & VLIB_BUFFER_NEXT_PRESENT)) + return 0xfefe; + p0 = vlib_get_buffer (vm, p0->next_buffer); data_this_buffer = vlib_buffer_get_current (p0); n_this_buffer = clib_min (p0->current_length, n_bytes_left); |