diff options
| author |   Neale Ranns <neale@graphiant.com> | 2022-03-18 13:05:09 +0000 |
|---|---|---|
| committer | Neale Ranns <neale@graphiant.com> | 2022-03-24 13:56:43 +0000 |
| commit | fbc633f5542be4b0b85963f7dcba9ab143c61d62 (patch) | |
| tree | 6d5d2223878661230f9e09f18f5bada574f0bc18 /src | |
| parent | bb498ccb1c5d5448fdcb106cacc1ef1bfbc69e16 (diff) | |
mpls: Set the MTU field in the frag-needed ICMP when doing MPLS fragmentation
Type: fix
The reported MTU should include the MPLS label overhead
Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I3df6d2e0b13f49701e187a766a157498dcaafbc0
Diffstat (limited to 'src')
| -rw-r--r-- | src/vnet/mpls/mpls_output.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/vnet/mpls/mpls_output.c b/src/vnet/mpls/mpls_output.c index faeba748e89..d606360ce9e 100644 --- a/src/vnet/mpls/mpls_output.c +++ b/src/vnet/mpls/mpls_output.c @@ -470,14 +470,13 @@ mpls_frag (vlib_main_t * vm, icmp4_error_set_vnet_buffer ( p0, ICMP4_destination_unreachable, ICMP4_destination_unreachable_fragmentation_needed_and_dont_fragment_set, - vnet_buffer (p0)->ip_frag.mtu); + mtu); next0 = MPLS_FRAG_NEXT_ICMP4_ERROR; } else { - icmp6_error_set_vnet_buffer ( - p0, ICMP6_packet_too_big, 0, - adj0->rewrite_header.max_l3_packet_bytes); + icmp6_error_set_vnet_buffer (p0, ICMP6_packet_too_big, + 0, mtu); next0 = MPLS_FRAG_NEXT_ICMP6_ERROR; } } |