diff options
| author | Claudio Jeker <claudio@cvs.openbsd.org> | 2004-03-11 17:12:52 +0000 |
|---|---|---|
| committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2004-03-11 17:12:52 +0000 |
| commit | b21c2c568e1f969a0ca76f191c92856223ff303d (patch) | |
| tree | c7a28663b294b4c9aa62c2be89dee73c6ec3534d /usr.sbin/bgpd/rde_update.c | |
| parent | 01eec010699fb17fab1f9d2ec7b12f15330fd2b9 (diff) | |
Add basic support for communities. Currently it is only possible to filter
on communities, e.g match from any community 24640:* set localpref 666
OK henning@
Diffstat (limited to 'usr.sbin/bgpd/rde_update.c')
| -rw-r--r-- | usr.sbin/bgpd/rde_update.c | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/usr.sbin/bgpd/rde_update.c b/usr.sbin/bgpd/rde_update.c index afd677e24ba..07087600991 100644 --- a/usr.sbin/bgpd/rde_update.c +++ b/usr.sbin/bgpd/rde_update.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rde_update.c,v 1.13 2004/03/09 13:51:16 claudio Exp $ */ +/* $OpenBSD: rde_update.c,v 1.14 2004/03/11 17:12:51 claudio Exp $ */ /* * Copyright (c) 2004 Claudio Jeker <claudio@openbsd.org> @@ -252,6 +252,17 @@ up_generate_updates(struct rde_peer *peer, break; } + /* well known communites */ + if (rde_filter_community(&old->aspath->flags, + COMMUNITY_WELLKNOWN, COMMUNITY_NO_ADVERTISE)) + return; + if (peer->conf.ebgp && rde_filter_community(&old->aspath->flags, + COMMUNITY_WELLKNOWN, COMMUNITY_NO_EXPORT)) + return; + if (peer->conf.ebgp && rde_filter_community(&old->aspath->flags, + COMMUNITY_WELLKNOWN, COMMUNITY_NO_EXPSUBCONFED)) + return; + /* copy attributes for output filter */ attr_copy(&attrs, &old->aspath->flags); @@ -317,6 +328,23 @@ up_generate_updates(struct rde_peer *peer, break; } + /* well known communites */ + if (rde_filter_community(&new->aspath->flags, + COMMUNITY_WELLKNOWN, COMMUNITY_NO_ADVERTISE)) { + up_generate_updates(peer, NULL, old); + return; + } + if (peer->conf.ebgp && rde_filter_community(&new->aspath->flags, + COMMUNITY_WELLKNOWN, COMMUNITY_NO_EXPORT)) { + up_generate_updates(peer, NULL, old); + return; + } + if (peer->conf.ebgp && rde_filter_community(&new->aspath->flags, + COMMUNITY_WELLKNOWN, COMMUNITY_NO_EXPSUBCONFED)) { + up_generate_updates(peer, NULL, old); + return; + } + /* copy attributes for output filter */ attr_copy(&attrs, &new->aspath->flags); @@ -457,17 +485,17 @@ up_generate_attr(struct rde_peer *peer, struct update_attr *upa, break; case ATTR_AGGREGATOR: if ((r = attr_write(up_attr_buf + wlen, len, - ATTR_OPTIONAL | ATTR_TRANSITIVE, ATTR_AGGREGATOR, - oa->data, oa->len)) == -1) + oa->flags, oa->type, oa->data, oa->len)) == -1) + return (-1); + break; + case ATTR_COMMUNITIES: + if ((r = attr_write(up_attr_buf + wlen, len, + oa->flags, oa->type, oa->data, oa->len)) == -1) return (-1); break; - /* - * currently there are no non-transitive or transitive known - * attributes. - */ default: /* unknown attribute */ - if (!(oa->flags & ATTR_OPTIONAL)) + if (!(oa->flags & ATTR_TRANSITIVE)) /* somehow a non-transitive slipped through */ break; if ((r = attr_write(up_attr_buf + wlen, len, |