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| author | Ondrej Zajicek <santiago@crfreenet.org> | 2010-07-28 13:13:34 +0200 |
|---|---|---|
| committer | Ondrej Zajicek <santiago@crfreenet.org> | 2010-07-28 13:13:34 +0200 |
| commit | ac3ac49a71d4b290cfb28aecafc8ac4a69df7a64 (patch) | |
| tree | ac45a031548bbacbe2fabc6c5f28c5ea1632bee8 | |
| parent | 1b180121a90ef98f3adce1a355d48d64c6fc3c4f (diff) | |
| download | bird-ac3ac49a71d4b290cfb28aecafc8ac4a69df7a64.tar bird-ac3ac49a71d4b290cfb28aecafc8ac4a69df7a64.zip | |
Adds route resolvability test.
| -rw-r--r-- | proto/bgp/attrs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index 039828f..3e7c94a 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -1023,6 +1023,15 @@ bgp_rte_better(rte *new, rte *old) eattr *x, *y; u32 n, o; + /* RFC 4271 9.1.2.1. Route resolvability test */ + /* non-NULL iface means it is either RTD_ROUTER or RTD_DEVICE route */ + n = new->attrs->iface != NULL; + o = old->attrs->iface != NULL; + if (n > o) + return 1; + if (n < o) + return 0; + /* Start with local preferences */ x = ea_find(new->attrs->eattrs, EA_CODE(EAP_BGP, BA_LOCAL_PREF)); y = ea_find(old->attrs->eattrs, EA_CODE(EAP_BGP, BA_LOCAL_PREF)); |