diff options
Diffstat (limited to 'proto/babel/babel.c')
-rw-r--r-- | proto/babel/babel.c | 48 |
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); } |