diff options
author | Maria Matejka <mq@ucw.cz> | 2022-03-22 14:39:32 +0100 |
---|---|---|
committer | Maria Matejka <mq@ucw.cz> | 2022-04-06 18:14:08 +0200 |
commit | dabd7bccb3b9e2b7482cf4ae7619a67559f3ac94 (patch) | |
tree | ec73a30bf6b6f44827fe21c4a02ca61756dc3d22 | |
parent | 4a23ede2b056a41456790cc20a0c3d92a7137693 (diff) |
BGP: Fixed LLGR depreferencing in bgp_rte_mergable
-rw-r--r-- | proto/bgp/attrs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index 454686cf..a7c49be5 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -2074,14 +2074,17 @@ bgp_rte_mergable(rte *pri, rte *sec) u32 p, s; /* Skip suppressed routes (see bgp_rte_recalculate()) */ - /* LLGR draft - depreference stale routes */ - if (pri->pflags != sec->pflags) + if ((pri->pflags ^ sec->pflags) & BGP_REF_SUPPRESSED) return 0; /* RFC 4271 9.1.2.1. Route resolvability test */ if (rte_resolvable(pri) != rte_resolvable(sec)) return 0; + /* LLGR draft - depreference stale routes */ + if (rte_stale(pri) != rte_stale(sec)) + return 0; + /* Start with local preferences */ x = ea_find(pri->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF)); y = ea_find(sec->attrs->eattrs, EA_CODE(PROTOCOL_BGP, BA_LOCAL_PREF)); |