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Diffstat (limited to 'proto/static/static.c')
-rw-r--r--proto/static/static.c97
1 files changed, 81 insertions, 16 deletions
diff --git a/proto/static/static.c b/proto/static/static.c
index 16a981ed..7b22d49b 100644
--- a/proto/static/static.c
+++ b/proto/static/static.c
@@ -49,11 +49,14 @@
static linpool *static_lp;
+static inline struct rte_src * static_get_source(struct static_proto *p, uint i)
+{ return i ? rt_get_source(&p->p, i) : p->p.main_source; }
+
static void
static_announce_rte(struct static_proto *p, struct static_route *r)
{
rta *a = allocz(RTA_MAX_SIZE);
- a->src = p->p.main_source;
+ a->src = static_get_source(p, r->index);
a->source = RTS_STATIC;
a->scope = SCOPE_UNIVERSE;
a->dest = r->dest;
@@ -105,7 +108,7 @@ static_announce_rte(struct static_proto *p, struct static_route *r)
if (r->cmds)
f_eval_rte(r->cmds, &e, static_lp);
- rte_update(&p->p, r->net, e);
+ rte_update2(p->p.main_channel, r->net, e, a->src);
r->state = SRS_CLEAN;
if (r->cmds)
@@ -117,7 +120,7 @@ withdraw:
if (r->state == SRS_DOWN)
return;
- rte_update(&p->p, r->net, NULL);
+ rte_update2(p->p.main_channel, r->net, NULL, a->src);
r->state = SRS_DOWN;
}
@@ -250,7 +253,7 @@ static void
static_remove_rte(struct static_proto *p, struct static_route *r)
{
if (r->state)
- rte_update(&p->p, r->net, NULL);
+ rte_update2(p->p.main_channel, r->net, NULL, static_get_source(p, r->index));
static_reset_rte(p, r);
}
@@ -354,11 +357,22 @@ static_bfd_notify(struct bfd_request *req)
}
static int
-static_rte_mergable(rte *pri UNUSED, rte *sec UNUSED)
+static_rte_better(rte *new, rte *old)
{
- return 1;
+ u32 n = ea_get_int(new->attrs->eattrs, EA_GEN_IGP_METRIC, IGP_METRIC_UNKNOWN);
+ u32 o = ea_get_int(old->attrs->eattrs, EA_GEN_IGP_METRIC, IGP_METRIC_UNKNOWN);
+ return n < o;
+}
+
+static int
+static_rte_mergable(rte *pri, rte *sec)
+{
+ u32 a = ea_get_int(pri->attrs->eattrs, EA_GEN_IGP_METRIC, IGP_METRIC_UNKNOWN);
+ u32 b = ea_get_int(sec->attrs->eattrs, EA_GEN_IGP_METRIC, IGP_METRIC_UNKNOWN);
+ return a == b;
}
+static void static_index_routes(struct static_config *cf);
static void
static_postconfig(struct proto_config *CF)
@@ -382,6 +396,8 @@ static_postconfig(struct proto_config *CF)
WALK_LIST(r, cf->routes)
if (r->net && (r->net->type != CF->net_type))
cf_error("Route %N incompatible with channel type", r->net);
+
+ static_index_routes(cf);
}
static struct proto *
@@ -394,6 +410,7 @@ static_init(struct proto_config *CF)
P->main_channel = proto_add_channel(P, proto_cf_main_channel(CF));
P->neigh_notify = static_neigh_notify;
+ P->rte_better = static_rte_better;
P->rte_mergable = static_rte_mergable;
if (cf->igp_table_ip4)
@@ -463,7 +480,7 @@ static_cleanup(struct proto *P)
static void
static_dump_rte(struct static_route *r)
{
- debug("%-1N: ", r->net);
+ debug("%-1N (%u): ", r->net, r->index);
if (r->dest == RTD_UNICAST)
if (r->iface && ipa_zero(r->via))
debug("dev %s\n", r->iface->name);
@@ -486,11 +503,48 @@ static_dump(struct proto *P)
#define IGP_TABLE(cf, sym) ((cf)->igp_table_##sym ? (cf)->igp_table_##sym ->table : NULL )
-static inline int
-static_cmp_rte(const void *X, const void *Y)
+static inline int srt_equal(const struct static_route *a, const struct static_route *b)
+{ return net_equal(a->net, b->net) && (a->index == b->index); }
+
+static inline int srt_compare(const struct static_route *a, const struct static_route *b)
+{ return net_compare(a->net, b->net) ?: uint_cmp(a->index, b->index); }
+
+static inline int srt_compare_qsort(const void *A, const void *B)
{
- struct static_route *x = *(void **)X, *y = *(void **)Y;
- return net_compare(x->net, y->net);
+ return srt_compare(*(const struct static_route * const *)A,
+ *(const struct static_route * const *)B);
+}
+
+static void
+static_index_routes(struct static_config *cf)
+{
+ struct static_route *rt, **buf;
+ uint num, i, v;
+
+ num = list_length(&cf->routes);
+ buf = xmalloc(num * sizeof(void *));
+
+ /* Initialize with sequential indexes to ensure stable sorting */
+ i = 0;
+ WALK_LIST(rt, cf->routes)
+ {
+ buf[i] = rt;
+ rt->index = i++;
+ }
+
+ qsort(buf, num, sizeof(struct static_route *), srt_compare_qsort);
+
+ /* Compute proper indexes - sequential for routes with same network */
+ for (i = 0, v = 0, rt = NULL; i < num; i++, v++)
+ {
+ if (rt && !net_equal(buf[i]->net, rt->net))
+ v = 0;
+
+ rt = buf[i];
+ rt->index = v;
+ }
+
+ xfree(buf);
}
static int
@@ -519,7 +573,7 @@ static_reconfigure(struct proto *P, struct proto_config *CF)
/* Reconfigure initial matching sequence */
for (or = HEAD(o->routes), nr = HEAD(n->routes);
- NODE_VALID(or) && NODE_VALID(nr) && net_equal(or->net, nr->net);
+ NODE_VALID(or) && NODE_VALID(nr) && srt_equal(or, nr);
or = NODE_NEXT(or), nr = NODE_NEXT(nr))
static_reconfigure_rte(p, or, nr);
@@ -545,12 +599,12 @@ static_reconfigure(struct proto *P, struct proto_config *CF)
for (i = 0, nr2 = nr; i < nrnum; i++, nr2 = NODE_NEXT(nr2))
nrbuf[i] = nr2;
- qsort(orbuf, ornum, sizeof(struct static_route *), static_cmp_rte);
- qsort(nrbuf, nrnum, sizeof(struct static_route *), static_cmp_rte);
+ qsort(orbuf, ornum, sizeof(struct static_route *), srt_compare_qsort);
+ qsort(nrbuf, nrnum, sizeof(struct static_route *), srt_compare_qsort);
while ((orpos < ornum) && (nrpos < nrnum))
{
- int x = net_compare(orbuf[orpos]->net, nrbuf[nrpos]->net);
+ int x = srt_compare(orbuf[orpos], nrbuf[nrpos]);
if (x < 0)
static_remove_rte(p, orbuf[orpos++]);
else if (x > 0)
@@ -603,6 +657,16 @@ static_copy_config(struct proto_config *dest, struct proto_config *src)
}
static void
+static_get_route_info(rte *rte, byte *buf)
+{
+ eattr *a = ea_find(rte->attrs->eattrs, EA_GEN_IGP_METRIC);
+ if (a)
+ buf += bsprintf(buf, " (%d/%u)", rte->pref, a->u.data);
+ else
+ buf += bsprintf(buf, " (%d)", rte->pref);
+}
+
+static void
static_show_rt(struct static_route *r)
{
switch (r->dest)
@@ -665,5 +729,6 @@ struct protocol proto_static = {
.shutdown = static_shutdown,
.cleanup = static_cleanup,
.reconfigure = static_reconfigure,
- .copy_config = static_copy_config
+ .copy_config = static_copy_config,
+ .get_route_info = static_get_route_info,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 01:20:46 +0000