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author | Martin Mares <mj@ucw.cz> | 2000-03-01 12:48:11 +0100 |
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committer | Martin Mares <mj@ucw.cz> | 2000-03-01 12:48:11 +0100 |
commit | 4c1b4e1a582ea8d13943c46ad87588d5743439cb (patch) | |
tree | 9dc106efa5ccb22752ab57d5682f1155dbbd5859 /nest | |
parent | aee539f241dd233eb9e716e11ee2c449ab482a75 (diff) | |
download | bird-4c1b4e1a582ea8d13943c46ad87588d5743439cb.tar bird-4c1b4e1a582ea8d13943c46ad87588d5743439cb.zip |
If the user has specified identical preferences for instances of different
protocols, break the tie by comparing addresses, so we keep the ordering
unambiguous.
Diffstat (limited to 'nest')
-rw-r--r-- | nest/rt-table.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/nest/rt-table.c b/nest/rt-table.c index dcde0af..4c406cf 100644 --- a/nest/rt-table.c +++ b/nest/rt-table.c @@ -95,7 +95,14 @@ rte_better(rte *new, rte *old) if (new->pref < old->pref) return 0; if (new->attrs->proto->proto != old->attrs->proto->proto) - bug("Different protocols, but identical preferences => oops"); /* FIXME */ + { + /* + * If the user has configured protocol preferences, so that two different protocols + * have the same preference, try to break the tie by comparing addresses. Not too + * useful, but keeps the ordering of routes unambiguous. + */ + return new->attrs->proto->proto > old->attrs->proto->proto; + } if (better = new->attrs->proto->rte_better) return better(new, old); return 0; |