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authorOle Troan <ot@cisco.com>2018-05-23 11:21:42 +0200
committerFlorin Coras <florin.coras@gmail.com>2018-05-23 16:40:39 +0000
commitda6e11b47d47c764b11304524de559dda0d0d223 (patch)
treee219f5491c6253bcdae04969d6a2321183f00bef /src/vnet/gre/gre.c
parent8a9c8f1412cb1258340b18a8eb622a835ef3c37b (diff)
VPP-1283: IPv6 PMTU missing MTU value in ICMP6 message.
Fix GRE/IPv6 setting of ip->payload_length (which has never worked). Change-Id: Ie68f1cc7bbb70489d6ec97356132c783f2345e1e Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vnet/gre/gre.c')
-rw-r--r--src/vnet/gre/gre.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/vnet/gre/gre.c b/src/vnet/gre/gre.c
index 0b8d2cc8df7..e82befe7918 100644
--- a/src/vnet/gre/gre.c
+++ b/src/vnet/gre/gre.c
@@ -292,8 +292,8 @@ gre6_fixup (vlib_main_t * vm,
/* Fixup the payload length field in the GRE tunnel encap that was applied
* at the midchain node */
ip0->payload_length =
- clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0))
- - sizeof (*ip0);
+ clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0) -
+ sizeof (*ip0));
}
void