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-rw-r--r--proto/pipe/config.Y7
-rw-r--r--proto/pipe/pipe.c108
-rw-r--r--proto/pipe/pipe.h2
3 files changed, 65 insertions, 52 deletions
diff --git a/proto/pipe/config.Y b/proto/pipe/config.Y
index 1202c169..c869de9f 100644
--- a/proto/pipe/config.Y
+++ b/proto/pipe/config.Y
@@ -16,7 +16,7 @@ CF_DEFINES
CF_DECLS
-CF_KEYWORDS(PIPE, PEER, TABLE)
+CF_KEYWORDS(PIPE, PEER, TABLE, MAX, GENERATION)
CF_GRAMMAR
@@ -25,6 +25,7 @@ proto: pipe_proto '}' { this_channel = NULL; } ;
pipe_proto_start: proto_start PIPE
{
this_proto = proto_config_new(&proto_pipe, $1);
+ PIPE_CFG->max_generation = 16;
}
proto_name
{
@@ -41,6 +42,10 @@ pipe_proto:
| pipe_proto proto_item ';'
| pipe_proto channel_item_ ';'
| pipe_proto PEER TABLE rtable ';' { PIPE_CFG->peer = $4; }
+ | pipe_proto MAX GENERATION expr ';' {
+ if (($4 < 1) || ($4 > 254)) cf_error("Max generation must be in range 1..254, got %u", $4);
+ PIPE_CFG->max_generation = $4;
+ }
;
CF_CODE
diff --git a/proto/pipe/pipe.c b/proto/pipe/pipe.c
index 483ece67..e8c69a0e 100644
--- a/proto/pipe/pipe.c
+++ b/proto/pipe/pipe.c
@@ -48,61 +48,53 @@
#endif
static void
-pipe_rt_notify(struct proto *P, struct channel *src_ch, net *n, rte *new, rte *old)
+pipe_rt_notify(struct proto *P, struct channel *src_ch, const net_addr *n, rte *new, const rte *old)
{
struct pipe_proto *p = (void *) P;
struct channel *dst = (src_ch == p->pri) ? p->sec : p->pri;
- struct rte_src *src;
-
- rte *e;
- rta *a;
if (!new && !old)
return;
- if (dst->table->pipe_busy)
- {
- log(L_ERR "Pipe loop detected when sending %N to table %s",
- n->n.addr, dst->table->name);
- return;
- }
-
if (new)
{
- src = new->src;
-
- a = alloca(rta_size(new->attrs));
+ rta *a = alloca(rta_size(new->attrs));
memcpy(a, new->attrs, rta_size(new->attrs));
a->cached = 0;
a->hostentry = NULL;
- e = rte_get_temp(a, src);
- e->pflags = new->pflags;
-#ifdef CONFIG_BGP
- /* Hack to cleanup cached value */
- if (e->src->proto->proto == &proto_bgp)
- e->pflags &= ~(BGP_REF_STALE | BGP_REF_NOT_STALE);
-#endif
+ rte e0 = {
+ .attrs = a,
+ .src = new->src,
+ .generation = new->generation + 1,
+ };
+
+ rte_update(dst, n, &e0, new->src);
}
else
- {
- e = NULL;
- src = old->src;
- }
-
- src_ch->table->pipe_busy = 1;
- rte_update2(dst, n->n.addr, e, src);
- src_ch->table->pipe_busy = 0;
+ rte_update(dst, n, NULL, old->src);
}
static int
-pipe_preexport(struct proto *P, rte *e)
+pipe_preexport(struct channel *c, rte *e)
{
- struct proto *pp = e->sender->proto;
+ struct pipe_proto *p = (void *) c->proto;
+
+ /* Avoid direct loopbacks */
+ if (e->sender == c->in_req.hook)
+ return -1;
+
+ /* Indirection check */
+ uint max_generation = ((struct pipe_config *) p->p.cf)->max_generation;
+ if (e->generation >= max_generation)
+ {
+ log_rl(&p->rl_gen, L_ERR "Route overpiped (%u hops of %u configured in %s) in table %s: %N %s/%u:%u",
+ e->generation, max_generation, c->proto->name,
+ c->table->name, e->net, e->src->proto->name, e->src->private_id, e->src->global_id);
- if (pp == P)
- return -1; /* Avoid local loops automatically */
+ return -1;
+ }
return 0;
}
@@ -187,6 +179,8 @@ pipe_init(struct proto_config *CF)
P->preexport = pipe_preexport;
P->reload_routes = pipe_reload_routes;
+ p->rl_gen = (struct tbf) TBF_DEFAULT_LOG_LIMITS;
+
pipe_configure_channels(p, cf);
return P;
@@ -218,8 +212,18 @@ pipe_get_status(struct proto *P, byte *buf)
static void
pipe_show_stats(struct pipe_proto *p)
{
- struct proto_stats *s1 = &p->pri->stats;
- struct proto_stats *s2 = &p->sec->stats;
+ struct channel_import_stats *s1i = &p->pri->import_stats;
+ struct channel_export_stats *s1e = &p->pri->export_stats;
+ struct channel_import_stats *s2i = &p->sec->import_stats;
+ struct channel_export_stats *s2e = &p->sec->export_stats;
+
+ struct rt_import_stats *rs1i = p->pri->in_req.hook ? &p->pri->in_req.hook->stats : NULL;
+ struct rt_export_stats *rs1e = p->pri->out_req.hook ? &p->pri->out_req.hook->stats : NULL;
+ struct rt_import_stats *rs2i = p->sec->in_req.hook ? &p->sec->in_req.hook->stats : NULL;
+ struct rt_export_stats *rs2e = p->sec->out_req.hook ? &p->sec->out_req.hook->stats : NULL;
+
+ u32 pri_routes = p->pri->in_limit.count;
+ u32 sec_routes = p->sec->in_limit.count;
/*
* Pipe stats (as anything related to pipes) are a bit tricky. There
@@ -243,24 +247,22 @@ pipe_show_stats(struct pipe_proto *p)
*/
cli_msg(-1006, " Routes: %u imported, %u exported",
- s1->imp_routes, s2->imp_routes);
+ pri_routes, sec_routes);
cli_msg(-1006, " Route change stats: received rejected filtered ignored accepted");
cli_msg(-1006, " Import updates: %10u %10u %10u %10u %10u",
- s2->exp_updates_received, s2->exp_updates_rejected + s1->imp_updates_invalid,
- s2->exp_updates_filtered, s1->imp_updates_ignored, s1->imp_updates_accepted);
+ rs2e->updates_received, s2e->updates_rejected + s1i->updates_invalid,
+ s2e->updates_filtered, rs1i->updates_ignored, rs1i->updates_accepted);
cli_msg(-1006, " Import withdraws: %10u %10u --- %10u %10u",
- s2->exp_withdraws_received, s1->imp_withdraws_invalid,
- s1->imp_withdraws_ignored, s1->imp_withdraws_accepted);
+ rs2e->withdraws_received, s1i->withdraws_invalid,
+ rs1i->withdraws_ignored, rs1i->withdraws_accepted);
cli_msg(-1006, " Export updates: %10u %10u %10u %10u %10u",
- s1->exp_updates_received, s1->exp_updates_rejected + s2->imp_updates_invalid,
- s1->exp_updates_filtered, s2->imp_updates_ignored, s2->imp_updates_accepted);
+ rs1e->updates_received, s1e->updates_rejected + s2i->updates_invalid,
+ s1e->updates_filtered, rs2i->updates_ignored, rs2i->updates_accepted);
cli_msg(-1006, " Export withdraws: %10u %10u --- %10u %10u",
- s1->exp_withdraws_received, s2->imp_withdraws_invalid,
- s2->imp_withdraws_ignored, s2->imp_withdraws_accepted);
+ rs1e->withdraws_received, s2i->withdraws_invalid,
+ rs2i->withdraws_ignored, rs2i->withdraws_accepted);
}
-static const char *pipe_feed_state[] = { [ES_DOWN] = "down", [ES_FEEDING] = "feed", [ES_READY] = "up" };
-
static void
pipe_show_proto_info(struct proto *P)
{
@@ -269,13 +271,17 @@ pipe_show_proto_info(struct proto *P)
cli_msg(-1006, " Channel %s", "main");
cli_msg(-1006, " Table: %s", p->pri->table->name);
cli_msg(-1006, " Peer table: %s", p->sec->table->name);
- cli_msg(-1006, " Import state: %s", pipe_feed_state[p->sec->export_state]);
- cli_msg(-1006, " Export state: %s", pipe_feed_state[p->pri->export_state]);
+ cli_msg(-1006, " Import state: %s", rt_export_state_name(rt_export_get_state(p->sec->out_req.hook)));
+ cli_msg(-1006, " Export state: %s", rt_export_state_name(rt_export_get_state(p->pri->out_req.hook)));
cli_msg(-1006, " Import filter: %s", filter_name(p->sec->out_filter));
cli_msg(-1006, " Export filter: %s", filter_name(p->pri->out_filter));
- channel_show_limit(&p->pri->in_limit, "Import limit:");
- channel_show_limit(&p->sec->in_limit, "Export limit:");
+
+
+ channel_show_limit(&p->pri->in_limit, "Import limit:",
+ (p->pri->limit_active & (1 << PLD_IN)), p->pri->limit_actions[PLD_IN]);
+ channel_show_limit(&p->sec->in_limit, "Export limit:",
+ (p->sec->limit_active & (1 << PLD_IN)), p->sec->limit_actions[PLD_IN]);
if (P->proto_state != PS_DOWN)
pipe_show_stats(p);
diff --git a/proto/pipe/pipe.h b/proto/pipe/pipe.h
index 038c6666..60c857eb 100644
--- a/proto/pipe/pipe.h
+++ b/proto/pipe/pipe.h
@@ -12,12 +12,14 @@
struct pipe_config {
struct proto_config c;
struct rtable_config *peer; /* Table we're connected to */
+ u8 max_generation;
};
struct pipe_proto {
struct proto p;
struct channel *pri;
struct channel *sec;
+ struct tbf rl_gen;
};
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 23:23:54 +0000