diff options
| author |   claudio <claudio@openbsd.org> | 2005-05-24 21:36:40 +0000 |
|---|---|---|
| committer | claudio <claudio@openbsd.org> | 2005-05-24 21:36:40 +0000 |
| commit | f97d3cd434619496975417b4cb4fade80702952b (patch) | |
| tree | 3365f5b0a8337d74dfd6630cf0dce7afe051d6ec /usr.sbin/ospfd/rde.c | |
| parent | Set ifindex for all kernel routes. This makes it very easy to track the (diff) | |
| download | wireguard-openbsd-f97d3cd434619496975417b4cb4fade80702952b.tar.xz wireguard-openbsd-f97d3cd434619496975417b4cb4fade80702952b.zip | |
Only redistribute networks if the interface they depend on is actually
up and running. This makes redistribution of carp(4)-ed networks magically
work. OK norby@
Diffstat (limited to 'usr.sbin/ospfd/rde.c')
| -rw-r--r-- | usr.sbin/ospfd/rde.c | 49 |
1 files changed, 45 insertions, 4 deletions
diff --git a/usr.sbin/ospfd/rde.c b/usr.sbin/ospfd/rde.c index 5dface6ed98..6cef0537989 100644 --- a/usr.sbin/ospfd/rde.c +++ b/usr.sbin/ospfd/rde.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rde.c,v 1.22 2005/05/24 20:40:57 claudio Exp $ */ +/* $OpenBSD: rde.c,v 1.23 2005/05/24 21:36:40 claudio Exp $ */ /* * Copyright (c) 2004, 2005 Claudio Jeker <claudio@openbsd.org> @@ -56,6 +56,7 @@ void rde_req_list_del(struct rde_nbr *, struct lsa_hdr *); void rde_req_list_free(struct rde_nbr *); int rde_redistribute(struct kroute *); +void rde_update_redistribute(int); struct lsa *rde_asext_get(struct kroute *); struct lsa *rde_asext_put(struct kroute *); @@ -544,6 +545,7 @@ rde_dispatch_parent(int fd, short event, void *bula) struct lsa *lsa; struct vertex *v; struct kroute kr; + struct kif kif; int n; switch (event) { @@ -601,6 +603,18 @@ rde_dispatch_parent(int fd, short event, void *bula) lsa_merge(nbrself, lsa, v); } break; + case IMSG_IFINFO: + if (imsg.hdr.len != IMSG_HEADER_SIZE + sizeof(kif)) { + log_warnx("rde_dispatch: wrong imsg len"); + break; + } + memcpy(&kif, imsg.data, sizeof(kif)); + + log_debug("IMSG_IFINFO: ifindex %i reachable %d", + kif.ifindex, kif.nh_reachable); + kif_update(&kif); + rde_update_redistribute(kif.ifindex); + break; default: log_debug("rde_dispatch_parent: unexpected imsg %d", imsg.hdr.type); @@ -913,11 +927,12 @@ rde_redistribute(struct kroute *kr) (kr->flags & F_CONNECTED)) rv = 1; + /* interface is not up and running so don't announce */ + if (kif_validate(kr->ifindex) == 0) + return (0); + LIST_FOREACH(area, &rdeconf->area_list, entry) LIST_FOREACH(iface, &area->iface_list, entry) { - log_debug("rde_redistribute: iface %s/%d", - inet_ntoa(iface->addr), - mask2prefixlen(iface->mask.s_addr)); if ((iface->addr.s_addr & iface->mask.s_addr) == kr->prefix.s_addr && iface->mask.s_addr == prefixlen2mask(kr->prefixlen)) @@ -928,6 +943,32 @@ rde_redistribute(struct kroute *kr) return (rv); } +void +rde_update_redistribute(int ifindex) +{ + struct rde_asext *ae; + struct lsa *lsa; + struct vertex *v; + int wasused; + + LIST_FOREACH(ae, &rde_asext_list, entry) + if (ae->kr.ifindex == ifindex) { + wasused = ae->used; + ae->used = rde_redistribute(&ae->kr); + if (ae->used) + lsa = orig_asext_lsa(&ae->kr, DEFAULT_AGE); + else if (wasused) + lsa = orig_asext_lsa(&ae->kr, MAX_AGE); + else + continue; + + v = lsa_find(NULL, lsa->hdr.type, + lsa->hdr.ls_id, lsa->hdr.adv_rtr); + + lsa_merge(nbrself, lsa, v); + } +} + struct lsa * rde_asext_get(struct kroute *kr) { |