diff options
Diffstat (limited to 'lib/nexthop.c')
| -rw-r--r-- | lib/nexthop.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/nexthop.c b/lib/nexthop.c index 2dba412f45..ea6a310a4a 100644 --- a/lib/nexthop.c +++ b/lib/nexthop.c @@ -71,6 +71,39 @@ int nexthop_same_no_recurse(const struct nexthop *next1, return 1; } +int +nexthop_same_firsthop (struct nexthop *next1, struct nexthop *next2) +{ + int type1 = NEXTHOP_FIRSTHOPTYPE(next1->type); + int type2 = NEXTHOP_FIRSTHOPTYPE(next2->type); + + if (type1 != type2) + return 0; + switch (type1) + { + case NEXTHOP_TYPE_IPV4_IFINDEX: + if (! IPV4_ADDR_SAME (&next1->gate.ipv4, &next2->gate.ipv4)) + return 0; + if (next1->ifindex != next2->ifindex) + return 0; + break; + case NEXTHOP_TYPE_IFINDEX: + if (next1->ifindex != next2->ifindex) + return 0; + break; + case NEXTHOP_TYPE_IPV6_IFINDEX: + if (! IPV6_ADDR_SAME (&next1->gate.ipv6, &next2->gate.ipv6)) + return 0; + if (next1->ifindex != next2->ifindex) + return 0; + break; + default: + /* do nothing */ + break; + } + return 1; +} + /* * nexthop_type_to_str */ |