diff options
| author |   Ole Troan <ot@cisco.com> | 2018-05-18 11:01:31 +0200 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2018-05-23 16:39:45 +0000 |
| commit | 8a9c8f1412cb1258340b18a8eb622a835ef3c37b (patch) | |
| tree | e8ec27f0cccb0aac65a984fd0509d8d6426995ac /src/vnet/ip/icmp4.c | |
| parent | 2c2feab7d89239c92df4622c96e853230393deb9 (diff) | |
VPP-1283: IPv4 PMTU missing MTU value in ICMP4 message.
Change-Id: I7a4133c59ff45b0744b48e246a049d9f015026fc
Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vnet/ip/icmp4.c')
| -rw-r--r-- | src/vnet/ip/icmp4.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/vnet/ip/icmp4.c b/src/vnet/ip/icmp4.c index 1fe01e48500..a4808f23271 100644 --- a/src/vnet/ip/icmp4.c +++ b/src/vnet/ip/icmp4.c @@ -513,13 +513,15 @@ ip4_icmp_error (vlib_main_t * vm, b->current_length = 0; } } - p0->current_length = - p0->current_length > 576 ? 576 : p0->current_length; /* Add IP header and ICMPv4 header including a 4 byte data field */ vlib_buffer_advance (p0, -sizeof (ip4_header_t) - sizeof (icmp46_header_t) - 4); + + p0->current_length = + p0->current_length > 576 ? 576 : p0->current_length; + out_ip0 = vlib_buffer_get_current (p0); icmp0 = (icmp46_header_t *) & out_ip0[1]; |