bird2/patches/0001-BGP-Fix-extended-next-hop-handling.patch

   1 From f3a8cf050e6181e158dcde2fe885d7bf220eedc3 Mon Sep 17 00:00:00 2001
   2 From: "Ondrej Zajicek (work)" <santiago@crfreenet.org>
   3 Date: Thu, 12 Apr 2018 16:55:56 +0200
   4 Subject: [PATCH] BGP: Fix extended next hop handling
   5
   6 For IPv4 with extended next hop, we use MP-BGP format and therefore no
   7 independent NEXT_HOP attribute.
   8
   9 Thanks to Arvin Gan for the bugreport.
  10 ---
  11  proto/bgp/attrs.c | 2 +-
  12  1 file changed, 1 insertion(+), 1 deletion(-)
  13
  14 diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c
  15 index 0f41f818..9003feb2 100644
  16 --- a/proto/bgp/attrs.c
  17 +++ b/proto/bgp/attrs.c
  18 @@ -295,7 +295,7 @@ bgp_encode_next_hop(struct bgp_write_state *s, eattr *a, byte *buf, uint size)
  19     * store it and encode it later by AFI-specific hooks.
  20     */
  21
  22 -  if (s->channel->afi == BGP_AF_IPV4)
  23 +  if ((s->channel->afi == BGP_AF_IPV4) && !s->channel->ext_next_hop)
  24    {
  25      ASSERT(a->u.ptr->length == sizeof(ip_addr));
  26
  27 --
  28 2.17.0
  29