diff options
Diffstat (limited to 'lib/nexthop.c')
| -rw-r--r-- | lib/nexthop.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/nexthop.c b/lib/nexthop.c index cee34e85c7..fb7ccc169e 100644 --- a/lib/nexthop.c +++ b/lib/nexthop.c @@ -163,6 +163,57 @@ void nexthops_free(struct nexthop *nexthop) } } +bool nexthop_same(const struct nexthop *nh1, const struct nexthop *nh2) +{ + if (nh1 && !nh2) + return false; + + if (!nh1 && nh2) + return false; + + if (nh1 == nh2) + return true; + + if (nh1->vrf_id != nh2->vrf_id) + return false; + + if (nh1->type != nh2->type) + return false; + + switch (nh1->type) { + case NEXTHOP_TYPE_IFINDEX: + if (nh1->ifindex != nh2->ifindex) + return false; + break; + case NEXTHOP_TYPE_IPV4: + if (nh1->gate.ipv4.s_addr != nh2->gate.ipv4.s_addr) + return false; + break; + case NEXTHOP_TYPE_IPV4_IFINDEX: + if (nh1->gate.ipv4.s_addr != nh2->gate.ipv4.s_addr) + return false; + if (nh1->ifindex != nh2->ifindex) + return false; + break; + case NEXTHOP_TYPE_IPV6: + if (memcmp(&nh1->gate.ipv6, &nh2->gate.ipv6, 16)) + return false; + break; + case NEXTHOP_TYPE_IPV6_IFINDEX: + if (memcmp(&nh1->gate.ipv6, &nh2->gate.ipv6, 16)) + return false; + if (nh1->ifindex != nh2->ifindex) + return false; + break; + case NEXTHOP_TYPE_BLACKHOLE: + if (nh1->bh_type != nh2->bh_type) + return false; + break; + } + + return true; +} + /* Update nexthop with label information. */ void nexthop_add_labels(struct nexthop *nexthop, enum lsp_types_t type, u_int8_t num_labels, mpls_label_t *label) |