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Merged multipath and single-path data structures.

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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.
This commit is contained in:
Jan Moskyto Matejka
2016-05-06 15:48:35 +02:00
parent b7605d5c95
commit 4e276a8920
21 changed files with 434 additions and 499 deletions
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25
proto/rip/rip.c
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@@ -158,10 +158,10 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en)
while (rt2 && !rip_valid_rte(rt2))
rt2 = rt2->next;
a0.dest = RTD_UNICAST;
if (p->ecmp && rt2)
{
/* ECMP route */
struct mpnh *nhs = NULL;
int num = 0;
for (rt = en->routes; rt && (num < p->ecmp); rt = rt->next)
@@ -169,33 +169,34 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en)
if (!rip_valid_rte(rt))
continue;
struct mpnh *nh = alloca(sizeof(struct mpnh));
struct nexthop *nh = (a0.nh.next ? &(a0.nh) : alloca(sizeof(struct nexthop)));
nh->gw = rt->next_hop;
nh->iface = rt->from->nbr->iface;
nh->weight = rt->from->ifa->cf->ecmp_weight;
mpnh_insert(&nhs, nh);
if (a0.nh.next)
nexthop_insert(&(a0.nh), nh);
num++;
if (rt->tag != rt_tag)
rt_tag = 0;
}
a0.dest = RTD_MULTIPATH;
a0.nexthops = nhs;
}
else
{
/* Unipath route */
a0.dest = RTD_ROUTER;
a0.gw = rt->next_hop;
a0.iface = rt->from->nbr->iface;
a0.nh.next = NULL;
a0.nh.gw = rt->next_hop;
a0.nh.iface = rt->from->nbr->iface;
a0.from = rt->from->nbr->addr;
}
rta *a = rta_lookup(&a0);
rte *e = rte_get_temp(a);
e->u.rip.from = a0.iface;
e->u.rip.from = a0.nh.iface;
e->u.rip.metric = rt_metric;
e->u.rip.tag = rt_tag;
@@ -345,8 +346,8 @@ rip_rt_notify(struct proto *P, struct channel *ch UNUSED, struct network *net, s
en->metric = rt_metric;
en->tag = rt_tag;
en->from = (new->attrs->src->proto == P) ? new->u.rip.from : NULL;
en->iface = new->attrs->iface;
en->next_hop = new->attrs->gw;
en->iface = new->attrs->nh.iface;
en->next_hop = new->attrs->nh.gw;
}
else
{