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authorMaria Matejka <mq@ucw.cz>2022-03-09 11:01:44 +0100
committerMaria Matejka <mq@ucw.cz>2022-03-09 11:02:55 +0100
commit24773af9e099530aa6ccf4c730ad31c452284228 (patch)
tree373d1835e6b16a4946690fa467f89eba8b0a58b7 /proto/rip
parent83d9920f90738e4df75b3cf57335b43c094051cd (diff)
parente42eedb912428aa9af450b0426e53b0a7004dfb1 (diff)
Merge commit 'e42eedb9' into haugesund
Diffstat (limited to 'proto/rip')
-rw-r--r--proto/rip/rip.c74
-rw-r--r--proto/rip/rip.h1
2 files changed, 41 insertions, 34 deletions
diff --git a/proto/rip/rip.c b/proto/rip/rip.c
index f2e56e93..0556939a 100644
--- a/proto/rip/rip.c
+++ b/proto/rip/rip.c
@@ -188,12 +188,28 @@ rip_announce_rte(struct rip_proto *p, struct rip_entry *en)
a0.nh.iface = rt->from->ifa->iface;
}
+ 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,
+ };
+
rta *a = rta_lookup(&a0);
rte *e = rte_get_temp(a, p->p.main_source);
- 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_update(&p->p, en->n.addr, e);
@@ -307,8 +323,9 @@ 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)
{
@@ -339,7 +356,7 @@ rip_rt_notify(struct proto *P, struct channel *ch UNUSED, struct network *net, s
en->valid = RIP_ENTRY_VALID;
en->metric = rt_metric;
en->tag = rt_tag;
- en->from = (new->src->proto == P) ? new->u.rip.from : NULL;
+ en->from = (new->src->proto == P) ? rt_from : NULL;
en->iface = new->attrs->nh.iface;
en->next_hop = new->attrs->nh.gw;
}
@@ -1068,37 +1085,24 @@ 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 void
-rip_store_tmp_attrs(struct rte *rt, struct linpool *pool)
-{
- 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);
-}
-
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 = (struct rip_proto *) new->src->proto;
+
+ 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 +1124,8 @@ 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->rte_igp_metric = rip_rte_igp_metric;
return P;
}
@@ -1198,10 +1200,14 @@ 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->attrs->pref, rte->u.rip.metric);
+ struct rip_proto *p = (struct rip_proto *) rte->src->proto;
+ 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
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; }