diff options
Diffstat (limited to 'proto/ospf/ospf.c')
-rw-r--r-- | proto/ospf/ospf.c | 124 |
1 files changed, 72 insertions, 52 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c index ad4b2d14..896bf5a3 100644 --- a/proto/ospf/ospf.c +++ b/proto/ospf/ospf.c @@ -106,11 +106,12 @@ #include <stdlib.h> #include "ospf.h" +#include "lib/macro.h" -static int ospf_preexport(struct channel *P, rte *new); +static int ospf_preexport(struct channel *C, rte *new); static void ospf_reload_routes(struct channel *C); -static int ospf_rte_better(struct rte *new, struct rte *old); -static u32 ospf_rte_igp_metric(struct rte *rt); +static int ospf_rte_better(const rte *new, const rte *old); +static u32 ospf_rte_igp_metric(const rte *rt); static void ospf_disp(timer *timer); @@ -370,39 +371,42 @@ ospf_init(struct proto_config *CF) P->main_channel = proto_add_channel(P, proto_cf_main_channel(CF)); P->rt_notify = ospf_rt_notify; - P->if_notify = ospf_if_notify; - P->ifa_notify = cf->ospf2 ? ospf_ifa_notify2 : ospf_ifa_notify3; + P->iface_sub.if_notify = ospf_if_notify; + P->iface_sub.ifa_notify = cf->ospf2 ? ospf_ifa_notify2 : ospf_ifa_notify3; P->preexport = ospf_preexport; P->reload_routes = ospf_reload_routes; P->feed_begin = ospf_feed_begin; P->feed_end = ospf_feed_end; - P->rte_better = ospf_rte_better; - P->rte_igp_metric = ospf_rte_igp_metric; + + P->sources.class = &ospf_rte_owner_class; return P; } /* If new is better return 1 */ static int -ospf_rte_better(struct rte *new, struct rte *old) +ospf_rte_better(const rte *new, const rte *old) { - u32 new_metric1 = ea_get_int(new->attrs->eattrs, EA_OSPF_METRIC1, LSINFINITY); + u32 new_metric1 = ea_get_int(new->attrs, &ea_ospf_metric1, LSINFINITY); if (new_metric1 == LSINFINITY) return 0; - if(new->attrs->source < old->attrs->source) return 1; - if(new->attrs->source > old->attrs->source) return 0; + u32 ns = rt_get_source_attr(new); + u32 os = rt_get_source_attr(old); + + if (ns < os) return 1; + if (ns > os) return 0; - if(new->attrs->source == RTS_OSPF_EXT2) + if (ns == RTS_OSPF_EXT2) { - u32 old_metric2 = ea_get_int(old->attrs->eattrs, EA_OSPF_METRIC2, LSINFINITY); - u32 new_metric2 = ea_get_int(new->attrs->eattrs, EA_OSPF_METRIC2, LSINFINITY); - if(new_metric2 < old_metric2) return 1; - if(new_metric2 > old_metric2) return 0; + u32 old_metric2 = ea_get_int(old->attrs, &ea_ospf_metric2, LSINFINITY); + u32 new_metric2 = ea_get_int(new->attrs, &ea_ospf_metric2, LSINFINITY); + if (new_metric2 < old_metric2) return 1; + if (new_metric2 > old_metric2) return 0; } - u32 old_metric1 = ea_get_int(old->attrs->eattrs, EA_OSPF_METRIC1, LSINFINITY); + u32 old_metric1 = ea_get_int(old->attrs, &ea_ospf_metric1, LSINFINITY); if (new_metric1 < old_metric1) return 1; @@ -410,12 +414,12 @@ ospf_rte_better(struct rte *new, struct rte *old) } static u32 -ospf_rte_igp_metric(struct rte *rt) +ospf_rte_igp_metric(const rte *rt) { - if (rt->attrs->source == RTS_OSPF_EXT2) + if (rt_get_source_attr(rt) == RTS_OSPF_EXT2) return IGP_METRIC_UNKNOWN; - return ea_get_int(rt->attrs->eattrs, EA_OSPF_METRIC1, LSINFINITY); + return ea_get_int(rt->attrs, &ea_ospf_metric1, LSINFINITY); } void @@ -488,7 +492,7 @@ ospf_preexport(struct channel *C, rte *e) struct ospf_area *oa = ospf_main_area(p); /* Reject our own routes */ - if (e->src->proto == &p->p) + if (e->sender == C->in_req.hook) return -1; /* Do not export routes to stub areas */ @@ -531,7 +535,7 @@ ospf_shutdown(struct proto *P) /* Cleanup locked rta entries */ FIB_WALK(&p->rtf, ort, nf) { - rta_free(nf->old_rta); + ea_free(nf->old_ea); } FIB_WALK_END; @@ -566,11 +570,12 @@ ospf_get_status(struct proto *P, byte * buf) } static void -ospf_get_route_info(rte * rte, byte * buf) +ospf_get_route_info(const rte * rte, byte * buf) { char *type = "<bug>"; - switch (rte->attrs->source) + uint source = rt_get_source_attr(rte); + switch (source) { case RTS_OSPF: type = "I"; @@ -587,42 +592,26 @@ ospf_get_route_info(rte * rte, byte * buf) } buf += bsprintf(buf, " %s", type); - buf += bsprintf(buf, " (%d/%d", rte->attrs->pref, ea_get_int(rte->attrs->eattrs, EA_OSPF_METRIC1, LSINFINITY)); - if (rte->attrs->source == RTS_OSPF_EXT2) - buf += bsprintf(buf, "/%d", ea_get_int(rte->attrs->eattrs, EA_OSPF_METRIC2, LSINFINITY)); + buf += bsprintf(buf, " (%d/%d", rt_get_preference(rte), ea_get_int(rte->attrs, &ea_ospf_metric1, LSINFINITY)); + if (source == RTS_OSPF_EXT2) + buf += bsprintf(buf, "/%d", ea_get_int(rte->attrs, &ea_ospf_metric2, LSINFINITY)); buf += bsprintf(buf, ")"); - if (rte->attrs->source == RTS_OSPF_EXT1 || rte->attrs->source == RTS_OSPF_EXT2) + if (source == RTS_OSPF_EXT1 || source == RTS_OSPF_EXT2) { - eattr *ea = ea_find(rte->attrs->eattrs, EA_OSPF_TAG); + eattr *ea = ea_find(rte->attrs, &ea_ospf_tag); if (ea && (ea->u.data > 0)) buf += bsprintf(buf, " [%x]", ea->u.data); } - eattr *ea = ea_find(rte->attrs->eattrs, EA_OSPF_ROUTER_ID); + eattr *ea = ea_find(rte->attrs, &ea_ospf_router_id); if (ea) buf += bsprintf(buf, " [%R]", ea->u.data); } -static int -ospf_get_attr(const eattr * a, byte * buf, int buflen UNUSED) +static void +ospf_tag_format(const eattr * a, byte * buf, uint buflen) { - switch (a->id) - { - case EA_OSPF_METRIC1: - bsprintf(buf, "metric1"); - return GA_NAME; - case EA_OSPF_METRIC2: - bsprintf(buf, "metric2"); - return GA_NAME; - case EA_OSPF_TAG: - bsprintf(buf, "tag: 0x%08x", a->u.data); - return GA_FULL; - case EA_OSPF_ROUTER_ID: - bsprintf(buf, "router_id"); - return GA_NAME; - default: - return GA_UNKNOWN; - } + bsnprintf(buf, buflen, "0x%08x", a->u.data); } static void @@ -1517,10 +1506,15 @@ ospf_sh_lsadb(struct lsadb_show_data *ld) } +struct rte_owner_class ospf_rte_owner_class = { + .get_route_info = ospf_get_route_info, + .rte_better = ospf_rte_better, + .rte_igp_metric = ospf_rte_igp_metric, +}; + struct protocol proto_ospf = { .name = "OSPF", .template = "ospf%d", - .class = PROTOCOL_OSPF, .preference = DEF_PREF_OSPF, .channel_mask = NB_IP, .proto_size = sizeof(struct ospf_proto), @@ -1531,12 +1525,38 @@ struct protocol proto_ospf = { .shutdown = ospf_shutdown, .reconfigure = ospf_reconfigure, .get_status = ospf_get_status, - .get_attr = ospf_get_attr, - .get_route_info = ospf_get_route_info +}; + +struct ea_class ea_ospf_metric1 = { + .name = "ospf_metric1", + .type = T_INT, +}; + +struct ea_class ea_ospf_metric2 = { + .name = "ospf_metric2", + .type = T_INT, +}; + +struct ea_class ea_ospf_tag = { + .name = "ospf_tag", + .type = T_INT, + .format = ospf_tag_format, +}; + +struct ea_class ea_ospf_router_id = { + .name = "ospf_router_id", + .type = T_QUAD, }; void ospf_build(void) { proto_build(&proto_ospf); + + EA_REGISTER_ALL( + &ea_ospf_metric1, + &ea_ospf_metric2, + &ea_ospf_tag, + &ea_ospf_router_id + ); } |