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-rw-r--r--proto/babel/babel.c48
1 files changed, 28 insertions, 20 deletions
diff --git a/proto/babel/babel.c b/proto/babel/babel.c
index 97dca4ac..f19a2e0f 100644
--- a/proto/babel/babel.c
+++ b/proto/babel/babel.c
@@ -674,11 +674,13 @@ babel_announce_rte(struct babel_proto *p, struct babel_entry *e)
if (!neigh_find(&p->p, r->next_hop, r->neigh->ifa->iface, 0))
a0.nh.flags = RNF_ONLINK;
- rta *a = rta_lookup(&a0);
- rte *rte = rte_get_temp(a, p->p.main_source);
+ rte e0 = {
+ .attrs = &a0,
+ .src = p->p.main_source,
+ };
e->unreachable = 0;
- rte_update2(c, e->n.addr, rte, p->p.main_source);
+ rte_update(c, e->n.addr, &e0, p->p.main_source);
}
else if (e->valid && (e->router_id != p->router_id))
{
@@ -690,18 +692,19 @@ babel_announce_rte(struct babel_proto *p, struct babel_entry *e)
.pref = 1,
};
- rta *a = rta_lookup(&a0);
- rte *rte = rte_get_temp(a, p->p.main_source);
- rte->pflags = 0;
+ rte e0 = {
+ .attrs = &a0,
+ .src = p->p.main_source,
+ };
e->unreachable = 1;
- rte_update2(c, e->n.addr, rte, p->p.main_source);
+ rte_update(c, e->n.addr, &e0, p->p.main_source);
}
else
{
/* Retraction */
e->unreachable = 0;
- rte_update2(c, e->n.addr, NULL, p->p.main_source);
+ rte_update(c, e->n.addr, NULL, p->p.main_source);
}
}
@@ -711,7 +714,7 @@ babel_announce_retraction(struct babel_proto *p, struct babel_entry *e)
{
struct channel *c = (e->n.addr->type == NET_IP4) ? p->ip4_channel : p->ip6_channel;
e->unreachable = 0;
- rte_update2(c, e->n.addr, NULL, p->p.main_source);
+ rte_update(c, e->n.addr, NULL, p->p.main_source);
}
@@ -852,14 +855,14 @@ babel_send_ihus(struct babel_iface *ifa)
}
static void
-babel_send_hello(struct babel_iface *ifa)
+babel_send_hello(struct babel_iface *ifa, uint interval)
{
struct babel_proto *p = ifa->proto;
union babel_msg msg = {};
msg.type = BABEL_TLV_HELLO;
msg.hello.seqno = ifa->hello_seqno++;
- msg.hello.interval = ifa->cf->hello_interval;
+ msg.hello.interval = interval ?: ifa->cf->hello_interval;
TRACE(D_PACKETS, "Sending hello on %s with seqno %d interval %t",
ifa->ifname, msg.hello.seqno, (btime) msg.hello.interval);
@@ -1567,7 +1570,7 @@ babel_iface_timer(timer *t)
if (now_ >= ifa->next_hello)
{
- babel_send_hello(ifa);
+ babel_send_hello(ifa, 0);
ifa->next_hello += hello_period * (1 + (now_ - ifa->next_hello) / hello_period);
}
@@ -1614,7 +1617,7 @@ babel_iface_start(struct babel_iface *ifa)
tm_start(ifa->timer, 100 MS);
ifa->up = 1;
- babel_send_hello(ifa);
+ babel_send_hello(ifa, 0);
babel_send_wildcard_retraction(ifa);
babel_send_wildcard_request(ifa);
babel_send_update(ifa, 0); /* Full update */
@@ -2252,11 +2255,11 @@ babel_kick_timer(struct babel_proto *p)
static int
-babel_preexport(struct proto *P, struct rte *new)
+babel_preexport(struct channel *c, struct rte *new)
{
struct rta *a = new->attrs;
/* Reject our own unreachable routes */
- if ((a->dest == RTD_UNREACHABLE) && (new->src->proto == P))
+ if ((a->dest == RTD_UNREACHABLE) && (new->src->proto == c->proto))
return -1;
return 0;
@@ -2267,8 +2270,8 @@ babel_preexport(struct proto *P, struct rte *new)
* so store it into our data structures.
*/
static void
-babel_rt_notify(struct proto *P, struct channel *c UNUSED, struct network *net,
- struct rte *new, struct rte *old UNUSED)
+babel_rt_notify(struct proto *P, struct channel *c UNUSED, const net_addr *net,
+ struct rte *new, const struct rte *old UNUSED)
{
struct babel_proto *p = (void *) P;
struct babel_entry *e;
@@ -2296,11 +2299,11 @@ babel_rt_notify(struct proto *P, struct channel *c UNUSED, struct network *net,
if (rt_metric > BABEL_INFINITY)
{
log(L_WARN "%s: Invalid babel_metric value %u for route %N",
- p->p.name, rt_metric, net->n.addr);
+ p->p.name, rt_metric, net);
rt_metric = BABEL_INFINITY;
}
- e = babel_get_entry(p, net->n.addr);
+ e = babel_get_entry(p, net);
/* Activate triggered updates */
if ((e->valid != BABEL_ENTRY_VALID) ||
@@ -2318,7 +2321,7 @@ babel_rt_notify(struct proto *P, struct channel *c UNUSED, struct network *net,
else
{
/* Withdraw */
- e = babel_find_entry(p, net->n.addr);
+ e = babel_find_entry(p, net);
if (!e || e->valid != BABEL_ENTRY_VALID)
return;
@@ -2427,6 +2430,11 @@ babel_iface_shutdown(struct babel_iface *ifa)
{
if (ifa->sk)
{
+ /*
+ * Retract all our routes and lower the hello interval so peers' neighbour
+ * state expires quickly
+ */
+ babel_send_hello(ifa, BABEL_MIN_INTERVAL);
babel_send_wildcard_retraction(ifa);
babel_send_queue(ifa);
}