diff options
Diffstat (limited to 'proto/rip')
-rw-r--r-- | proto/rip/rip.c | 115 | ||||
-rw-r--r-- | proto/rip/rip.h | 1 |
2 files changed, 67 insertions, 49 deletions
diff --git a/proto/rip/rip.c b/proto/rip/rip.c index e1a235a0..0f8b10ad 100644 --- a/proto/rip/rip.c +++ b/proto/rip/rip.c @@ -145,7 +145,7 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en) { /* Update */ rta a0 = { - .src = p->p.main_source, + .pref = p->p.main_channel->preference, .source = RTS_RIP, .scope = SCOPE_UNIVERSE, .dest = RTD_UNICAST, @@ -188,21 +188,34 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en) a0.nh.iface = rt->from->ifa->iface; } - rta *a = rta_lookup(&a0); - rte *e = rte_get_temp(a); + a0.eattrs = alloca(sizeof(ea_list) + 3*sizeof(eattr)); + memset(a0.eattrs, 0, sizeof(ea_list)); /* Zero-ing only the ea_list header */ + a0.eattrs->count = 3; + a0.eattrs->attrs[0] = (eattr) { + .id = EA_RIP_METRIC, + .type = EAF_TYPE_INT, + .u.data = rt_metric, + }; + a0.eattrs->attrs[1] = (eattr) { + .id = EA_RIP_TAG, + .type = EAF_TYPE_INT, + .u.data = rt_tag, + }; + a0.eattrs->attrs[2] = (eattr) { + .id = EA_RIP_FROM, + .type = EAF_TYPE_PTR, + .u.data = (uintptr_t) a0.nh.iface, + }; - e->u.rip.from = a0.nh.iface; - e->u.rip.metric = rt_metric; - e->u.rip.tag = rt_tag; - e->pflags = EA_ID_FLAG(EA_RIP_METRIC) | EA_ID_FLAG(EA_RIP_TAG); + rte e0 = { + .attrs = &a0, + .src = p->p.main_source, + }; - rte_update(&p->p, en->n.addr, e); + rte_update(p->p.main_channel, en->n.addr, &e0, p->p.main_source); } else - { - /* Withdraw */ - rte_update(&p->p, en->n.addr, NULL); - } + rte_update(p->p.main_channel, en->n.addr, NULL, p->p.main_source); } /** @@ -297,8 +310,8 @@ rip_withdraw_rte(struct rip_proto *p, net_addr *n, struct rip_neighbor *from) * it into our data structures. */ static void -rip_rt_notify(struct proto *P, struct channel *ch UNUSED, struct network *net, struct rte *new, - struct rte *old UNUSED) +rip_rt_notify(struct proto *P, struct channel *ch UNUSED, const net_addr *net, struct rte *new, + const struct rte *old UNUSED) { struct rip_proto *p = (struct rip_proto *) P; struct rip_entry *en; @@ -307,20 +320,21 @@ rip_rt_notify(struct proto *P, struct channel *ch UNUSED, struct network *net, s if (new) { /* Update */ - u32 rt_metric = ea_get_int(new->attrs->eattrs, EA_RIP_METRIC, 1); u32 rt_tag = ea_get_int(new->attrs->eattrs, EA_RIP_TAG, 0); + u32 rt_metric = ea_get_int(new->attrs->eattrs, EA_RIP_METRIC, 1); + struct iface *rt_from = (struct iface *) ea_get_int(new->attrs->eattrs, EA_RIP_FROM, 0); if (rt_metric > p->infinity) { log(L_WARN "%s: Invalid rip_metric value %u for route %N", - p->p.name, rt_metric, net->n.addr); + p->p.name, rt_metric, net); rt_metric = p->infinity; } if (rt_tag > 0xffff) { log(L_WARN "%s: Invalid rip_tag value %u for route %N", - p->p.name, rt_tag, net->n.addr); + p->p.name, rt_tag, net); rt_metric = p->infinity; rt_tag = 0; } @@ -332,21 +346,21 @@ rip_rt_notify(struct proto *P, struct channel *ch UNUSED, struct network *net, s * collection. */ - en = fib_get(&p->rtable, net->n.addr); + en = fib_get(&p->rtable, net); old_metric = en->valid ? en->metric : -1; en->valid = RIP_ENTRY_VALID; en->metric = rt_metric; en->tag = rt_tag; - en->from = (new->attrs->src->proto == P) ? new->u.rip.from : NULL; + en->from = (new->src->owner == &P->sources) ? rt_from : NULL; en->iface = new->attrs->nh.iface; en->next_hop = new->attrs->nh.gw; } else { /* Withdraw */ - en = fib_find(&p->rtable, net->n.addr); + en = fib_find(&p->rtable, net); if (!en || en->valid != RIP_ENTRY_VALID) return; @@ -499,7 +513,7 @@ rip_update_bfd(struct rip_proto *p, struct rip_neighbor *n) ip_addr saddr = rip_is_v2(p) ? n->ifa->sk->saddr : n->nbr->ifa->ip; n->bfd_req = bfd_request_session(p->p.pool, n->nbr->addr, saddr, n->nbr->iface, p->p.vrf, - rip_bfd_notify, n, NULL); + rip_bfd_notify, n, birdloop_event_list(p->p.loop), NULL); } if (!use_bfd && n->bfd_req) @@ -762,7 +776,8 @@ rip_reconfigure_ifaces(struct rip_proto *p, struct rip_config *cf) { struct iface *iface; - WALK_LIST(iface, iface_list) + IFACE_LEGACY_ACCESS; + WALK_LIST(iface, global_iface_list) { if (!(iface->flags & IF_UP)) continue; @@ -1068,37 +1083,33 @@ rip_reload_routes(struct channel *C) rip_kick_timer(p); } -static void -rip_make_tmp_attrs(struct rte *rt, struct linpool *pool) -{ - rte_init_tmp_attrs(rt, pool, 2); - rte_make_tmp_attr(rt, EA_RIP_METRIC, EAF_TYPE_INT, rt->u.rip.metric); - rte_make_tmp_attr(rt, EA_RIP_TAG, EAF_TYPE_INT, rt->u.rip.tag); -} +static struct rte_owner_class rip_rte_owner_class; -static void -rip_store_tmp_attrs(struct rte *rt, struct linpool *pool) +static inline struct rip_proto * +rip_rte_proto(struct rte *rte) { - rte_init_tmp_attrs(rt, pool, 2); - rt->u.rip.metric = rte_store_tmp_attr(rt, EA_RIP_METRIC); - rt->u.rip.tag = rte_store_tmp_attr(rt, EA_RIP_TAG); + return (rte->src->owner->class == &rip_rte_owner_class) ? + SKIP_BACK(struct rip_proto, p.sources, rte->src->owner) : NULL; } static int rip_rte_better(struct rte *new, struct rte *old) { - return new->u.rip.metric < old->u.rip.metric; + ASSERT_DIE(new->src == old->src); + struct rip_proto *p = rip_rte_proto(new); + + u32 new_metric = ea_get_int(new->attrs->eattrs, EA_RIP_METRIC, p->infinity); + u32 old_metric = ea_get_int(old->attrs->eattrs, EA_RIP_METRIC, p->infinity); + + return new_metric < old_metric; } -static int -rip_rte_same(struct rte *new, struct rte *old) +static u32 +rip_rte_igp_metric(struct rte *rt) { - return ((new->u.rip.metric == old->u.rip.metric) && - (new->u.rip.tag == old->u.rip.tag) && - (new->u.rip.from == old->u.rip.from)); + return ea_get_int(rt->attrs->eattrs, EA_RIP_METRIC, IGP_METRIC_UNKNOWN); } - static void rip_postconfig(struct proto_config *CF) { @@ -1120,10 +1131,7 @@ rip_init(struct proto_config *CF) P->rt_notify = rip_rt_notify; P->neigh_notify = rip_neigh_notify; P->reload_routes = rip_reload_routes; - P->make_tmp_attrs = rip_make_tmp_attrs; - P->store_tmp_attrs = rip_store_tmp_attrs; - P->rte_better = rip_rte_better; - P->rte_same = rip_rte_same; + P->sources.class = &rip_rte_owner_class; return P; } @@ -1198,10 +1206,14 @@ rip_reconfigure(struct proto *P, struct proto_config *CF) static void rip_get_route_info(rte *rte, byte *buf) { - buf += bsprintf(buf, " (%d/%d)", rte->pref, rte->u.rip.metric); + struct rip_proto *p = rip_rte_proto(rte); + u32 rt_metric = ea_get_int(rte->attrs->eattrs, EA_RIP_METRIC, p->infinity); + u32 rt_tag = ea_get_int(rte->attrs->eattrs, EA_RIP_TAG, 0); + + buf += bsprintf(buf, " (%d/%d)", rte->attrs->pref, rt_metric); - if (rte->u.rip.tag) - bsprintf(buf, " [%04x]", rte->u.rip.tag); + if (rt_tag) + bsprintf(buf, " [%04x]", rt_tag); } static int @@ -1321,6 +1333,12 @@ rip_dump(struct proto *P) } +static struct rte_owner_class rip_rte_owner_class = { + .get_route_info = rip_get_route_info, + .rte_better = rip_rte_better, + .rte_igp_metric = rip_rte_igp_metric, +}; + struct protocol proto_rip = { .name = "RIP", .template = "rip%d", @@ -1335,6 +1353,5 @@ struct protocol proto_rip = { .start = rip_start, .shutdown = rip_shutdown, .reconfigure = rip_reconfigure, - .get_route_info = rip_get_route_info, .get_attr = rip_get_attr }; diff --git a/proto/rip/rip.h b/proto/rip/rip.h index 8d347000..f8713c4a 100644 --- a/proto/rip/rip.h +++ b/proto/rip/rip.h @@ -197,6 +197,7 @@ struct rip_rte #define EA_RIP_METRIC EA_CODE(PROTOCOL_RIP, 0) #define EA_RIP_TAG EA_CODE(PROTOCOL_RIP, 1) +#define EA_RIP_FROM EA_CODE(PROTOCOL_RIP, 2) static inline int rip_is_v2(struct rip_proto *p) { return p->rip2; } |