diff options
Diffstat (limited to 'bgpd/bgp_mpath.c')
| -rw-r--r-- | bgpd/bgp_mpath.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/bgpd/bgp_mpath.c b/bgpd/bgp_mpath.c index 9d32c4bee1..5d83192a30 100644 --- a/bgpd/bgp_mpath.c +++ b/bgpd/bgp_mpath.c @@ -93,6 +93,26 @@ int bgp_maximum_paths_unset(struct bgp *bgp, afi_t afi, safi_t safi, } /* + * bgp_interface_same + * + * Return true if ifindex for ifp1 and ifp2 are the same, else return false. + */ +static int bgp_interface_same(struct interface *ifp1, struct interface *ifp2) +{ + if (!ifp1 && !ifp2) + return 1; + + if (!ifp1 && ifp2) + return 0; + + if (ifp1 && !ifp2) + return 0; + + return (ifp1->ifindex == ifp2->ifindex); +} + + +/* * bgp_info_nexthop_cmp * * Compare the nexthops of two paths. Return value is less than, equal to, @@ -130,7 +150,8 @@ int bgp_info_nexthop_cmp(struct bgp_info *bi1, struct bgp_info *bi2) if (!bi1->attr->mp_nexthop_prefer_global && !bi2->attr->mp_nexthop_prefer_global) - compare = !(bi1->peer->ifindex == bi2->peer->ifindex); + compare = !bgp_interface_same(bi1->peer->ifp, bi2->peer->ifp); + if (!compare) compare = IPV6_ADDR_CMP(&addr1, &addr2); break; |