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authorJan Moskyto Matejka <mq@ucw.cz>2016-05-06 15:48:35 +0200
committerJan Moskyto Matejka <mq@ucw.cz>2016-12-22 13:01:06 +0100
commit4e276a8920ed0496836f002f144943ab42f120f6 (patch)
treeb2d24394f036cbd825330e0087a7f9f4ca167174 /proto/bgp/packets.c
parentb7605d5c953902b461e5c9e87aa3dfa60ddce5bc (diff)
Merged multipath and single-path data structures.
Dropped struct mpnh and mpnh_*() Now struct nexthop exists, nexthop_*(), and also included struct nexthop into struct rta. Also converted RTD_DEVICE and RTD_ROUTER to RTD_UNICAST. If it is needed to distinguish between these two cases, RTD_DEVICE is equivalent to IPA_ZERO(a->nh.gw), RTD_ROUTER is then IPA_NONZERO(a->nh.gw). From now on, we also explicitely want C99 compatible compiler. We assume that this 20-year norm should be known almost everywhere.
Diffstat (limited to 'proto/bgp/packets.c')
-rw-r--r--proto/bgp/packets.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/proto/bgp/packets.c b/proto/bgp/packets.c
index 66561ee4..0baa84c9 100644
--- a/proto/bgp/packets.c
+++ b/proto/bgp/packets.c
@@ -699,9 +699,10 @@ bgp_apply_next_hop(struct bgp_parse_state *s, rta *a, ip_addr gw, ip_addr ll)
if (!nbr || (nbr->scope == SCOPE_HOST))
WITHDRAW(BAD_NEXT_HOP);
- a->dest = RTD_ROUTER;
- a->gw = nbr->addr;
- a->iface = nbr->iface;
+ a->dest = RTD_UNICAST;
+ a->nh.gw = nbr->addr;
+ a->nh.iface = nbr->iface;
+ a->nh.next = NULL;
a->hostentry = NULL;
a->igp_metric = 0;
}
@@ -749,7 +750,7 @@ bgp_use_gateway(struct bgp_export_state *s)
return 0;
/* We need valid global gateway */
- if ((ra->dest != RTD_ROUTER) || ipa_zero(ra->gw) || ipa_is_link_local(ra->gw))
+ if ((ra->dest != RTD_UNICAST) || (ra->nh.next) || ipa_zero(ra->nh.gw) || ipa_is_link_local(ra->nh.gw))
return 0;
/* Use it when exported to internal peers */
@@ -757,7 +758,7 @@ bgp_use_gateway(struct bgp_export_state *s)
return 1;
/* Use it when forwarded to single-hop BGP peer on on the same iface */
- return p->neigh && (p->neigh->iface == ra->iface);
+ return p->neigh && (p->neigh->iface == ra->nh.iface);
}
static void
@@ -767,7 +768,7 @@ bgp_update_next_hop_ip(struct bgp_export_state *s, eattr *a, ea_list **to)
{
if (bgp_use_gateway(s))
{
- ip_addr nh[1] = { s->route->attrs->gw };
+ ip_addr nh[1] = { s->route->attrs->nh.gw };
bgp_set_attr_data(to, s->pool, BA_NEXT_HOP, 0, nh, 16);
}
else