diff options
author | Maria Matejka <mq@ucw.cz> | 2022-03-09 11:01:44 +0100 |
---|---|---|
committer | Maria Matejka <mq@ucw.cz> | 2022-03-09 11:02:55 +0100 |
commit | 24773af9e099530aa6ccf4c730ad31c452284228 (patch) | |
tree | 373d1835e6b16a4946690fa467f89eba8b0a58b7 /proto/ospf | |
parent | 83d9920f90738e4df75b3cf57335b43c094051cd (diff) | |
parent | e42eedb912428aa9af450b0426e53b0a7004dfb1 (diff) |
Merge commit 'e42eedb9' into haugesund
Diffstat (limited to 'proto/ospf')
-rw-r--r-- | proto/ospf/ospf.c | 72 | ||||
-rw-r--r-- | proto/ospf/rt.c | 52 |
2 files changed, 64 insertions, 60 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c index 03b16350..f9aa6cd1 100644 --- a/proto/ospf/ospf.c +++ b/proto/ospf/ospf.c @@ -108,11 +108,9 @@ #include "ospf.h" static int ospf_preexport(struct proto *P, rte *new); -static void ospf_make_tmp_attrs(struct rte *rt, struct linpool *pool); -static void ospf_store_tmp_attrs(struct rte *rt, struct linpool *pool); static void ospf_reload_routes(struct channel *C); static int ospf_rte_better(struct rte *new, struct rte *old); -static int ospf_rte_same(struct rte *new, struct rte *old); +static u32 ospf_rte_igp_metric(struct rte *rt); static void ospf_disp(timer *timer); @@ -378,10 +376,8 @@ ospf_init(struct proto_config *CF) P->reload_routes = ospf_reload_routes; P->feed_begin = ospf_feed_begin; P->feed_end = ospf_feed_end; - P->make_tmp_attrs = ospf_make_tmp_attrs; - P->store_tmp_attrs = ospf_store_tmp_attrs; P->rte_better = ospf_rte_better; - P->rte_same = ospf_rte_same; + P->rte_igp_metric = ospf_rte_igp_metric; return P; } @@ -390,7 +386,9 @@ ospf_init(struct proto_config *CF) static int ospf_rte_better(struct rte *new, struct rte *old) { - if (new->u.ospf.metric1 == LSINFINITY) + u32 new_metric1 = ea_get_int(new->attrs->eattrs, EA_OSPF_METRIC1, LSINFINITY); + + if (new_metric1 == LSINFINITY) return 0; if(new->attrs->source < old->attrs->source) return 1; @@ -398,27 +396,27 @@ ospf_rte_better(struct rte *new, struct rte *old) if(new->attrs->source == RTS_OSPF_EXT2) { - if(new->u.ospf.metric2 < old->u.ospf.metric2) return 1; - if(new->u.ospf.metric2 > old->u.ospf.metric2) return 0; + 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; } - if (new->u.ospf.metric1 < old->u.ospf.metric1) + u32 old_metric1 = ea_get_int(old->attrs->eattrs, EA_OSPF_METRIC1, LSINFINITY); + if (new_metric1 < old_metric1) return 1; return 0; /* Old is shorter or same */ } -static int -ospf_rte_same(struct rte *new, struct rte *old) +static u32 +ospf_rte_igp_metric(struct rte *rt) { - /* new->attrs == old->attrs always */ - return - new->u.ospf.metric1 == old->u.ospf.metric1 && - new->u.ospf.metric2 == old->u.ospf.metric2 && - new->u.ospf.tag == old->u.ospf.tag && - new->u.ospf.router_id == old->u.ospf.router_id; -} + if (rt->attrs->source == RTS_OSPF_EXT2) + return IGP_METRIC_UNKNOWN; + return ea_get_int(rt->attrs->eattrs, EA_OSPF_METRIC1, LSINFINITY); +} void ospf_schedule_rtcalc(struct ospf_proto *p) @@ -500,26 +498,6 @@ ospf_preexport(struct proto *P, rte *e) return 0; } -static void -ospf_make_tmp_attrs(struct rte *rt, struct linpool *pool) -{ - rte_init_tmp_attrs(rt, pool, 4); - rte_make_tmp_attr(rt, EA_OSPF_METRIC1, EAF_TYPE_INT, rt->u.ospf.metric1); - rte_make_tmp_attr(rt, EA_OSPF_METRIC2, EAF_TYPE_INT, rt->u.ospf.metric2); - rte_make_tmp_attr(rt, EA_OSPF_TAG, EAF_TYPE_INT, rt->u.ospf.tag); - rte_make_tmp_attr(rt, EA_OSPF_ROUTER_ID, EAF_TYPE_ROUTER_ID, rt->u.ospf.router_id); -} - -static void -ospf_store_tmp_attrs(struct rte *rt, struct linpool *pool) -{ - rte_init_tmp_attrs(rt, pool, 4); - rt->u.ospf.metric1 = rte_store_tmp_attr(rt, EA_OSPF_METRIC1); - rt->u.ospf.metric2 = rte_store_tmp_attr(rt, EA_OSPF_METRIC2); - rt->u.ospf.tag = rte_store_tmp_attr(rt, EA_OSPF_TAG); - rt->u.ospf.router_id = rte_store_tmp_attr(rt, EA_OSPF_ROUTER_ID); -} - /** * ospf_shutdown - Finish of OSPF instance * @P: OSPF protocol instance @@ -609,16 +587,20 @@ ospf_get_route_info(rte * rte, byte * buf) } buf += bsprintf(buf, " %s", type); - buf += bsprintf(buf, " (%d/%d", rte->attrs->pref, rte->u.ospf.metric1); + 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", rte->u.ospf.metric2); + buf += bsprintf(buf, "/%d", ea_get_int(rte->attrs->eattrs, EA_OSPF_METRIC2, LSINFINITY)); buf += bsprintf(buf, ")"); - if ((rte->attrs->source == RTS_OSPF_EXT1 || rte->attrs->source == RTS_OSPF_EXT2) && rte->u.ospf.tag) + if (rte->attrs->source == RTS_OSPF_EXT1 || rte->attrs->source == RTS_OSPF_EXT2) { - buf += bsprintf(buf, " [%x]", rte->u.ospf.tag); + eattr *ea = ea_find(rte->attrs->eattrs, EA_OSPF_TAG); + if (ea && (ea->u.data > 0)) + buf += bsprintf(buf, " [%x]", ea->u.data); } - if (rte->u.ospf.router_id) - buf += bsprintf(buf, " [%R]", rte->u.ospf.router_id); + + eattr *ea = ea_find(rte->attrs->eattrs, EA_OSPF_ROUTER_ID); + if (ea) + buf += bsprintf(buf, " [%R]", ea->u.data); } static int diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c index cda464e0..471bb586 100644 --- a/proto/ospf/rt.c +++ b/proto/ospf/rt.c @@ -144,7 +144,7 @@ orta_compare(const struct ospf_proto *p, const orta *new, const orta *old) { int r; - if (old->type == RTS_DUMMY) + if (!old->type) return 1; /* Prefer intra-area to inter-area to externals */ @@ -195,7 +195,7 @@ orta_compare_asbr(const struct ospf_proto *p, const orta *new, const orta *old) { int r; - if (old->type == RTS_DUMMY) + if (!old->type) return 1; if (!p->rfc1583) @@ -225,7 +225,7 @@ orta_compare_ext(const struct ospf_proto *p, const orta *new, const orta *old) { int r; - if (old->type == RTS_DUMMY) + if (!old->type) return 1; /* 16.4 (6a) - prefer routes with lower type */ @@ -2062,23 +2062,45 @@ again1: if (reload || ort_changed(nf, &a0)) { - rta *a = rta_lookup(&a0); - rte *e = rte_get_temp(a, p->p.main_source); + a0.eattrs = alloca(sizeof(ea_list) + 4 * sizeof(eattr)); + memset(a0.eattrs, 0, sizeof(ea_list)); - rta_free(nf->old_rta); - nf->old_rta = rta_clone(a); - e->u.ospf.metric1 = nf->old_metric1 = nf->n.metric1; - e->u.ospf.metric2 = nf->old_metric2 = nf->n.metric2; - e->u.ospf.tag = nf->old_tag = nf->n.tag; - e->u.ospf.router_id = nf->old_rid = nf->n.rid; - e->pflags = EA_ID_FLAG(EA_OSPF_METRIC1) | EA_ID_FLAG(EA_OSPF_ROUTER_ID); + nf->old_metric1 = nf->n.metric1; + nf->old_metric2 = nf->n.metric2; + nf->old_tag = nf->n.tag; + nf->old_rid = nf->n.rid; + + a0.eattrs->attrs[a0.eattrs->count++] = (eattr) { + .id = EA_OSPF_METRIC1, + .type = EAF_TYPE_INT, + .u.data = nf->n.metric1, + }; if (nf->n.type == RTS_OSPF_EXT2) - e->pflags |= EA_ID_FLAG(EA_OSPF_METRIC2); + a0.eattrs->attrs[a0.eattrs->count++] = (eattr) { + .id = EA_OSPF_METRIC2, + .type = EAF_TYPE_INT, + .u.data = nf->n.metric2, + }; - /* Perhaps onfly if tag is non-zero? */ if ((nf->n.type == RTS_OSPF_EXT1) || (nf->n.type == RTS_OSPF_EXT2)) - e->pflags |= EA_ID_FLAG(EA_OSPF_TAG); + a0.eattrs->attrs[a0.eattrs->count++] = (eattr) { + .id = EA_OSPF_TAG, + .type = EAF_TYPE_INT, + .u.data = nf->n.tag, + }; + + a0.eattrs->attrs[a0.eattrs->count++] = (eattr) { + .id = EA_OSPF_ROUTER_ID, + .type = EAF_TYPE_ROUTER_ID, + .u.data = nf->n.rid, + }; + + rta *a = rta_lookup(&a0); + rte *e = rte_get_temp(a, p->p.main_source); + + rta_free(nf->old_rta); + nf->old_rta = rta_clone(a); DBG("Mod rte type %d - %N via %I on iface %s, met %d\n", a0.source, nf->fn.addr, a0.gw, a0.iface ? a0.iface->name : "(none)", nf->n.metric1); |