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mirror of https://gitlab.nic.cz/labs/bird.git synced 2024-09-20 04:15:19 +00:00

Revert "Table cork: Stop creating updates when there are too many pending."

This reverts commit 3b20722a1f.
This commit is contained in:
Maria Matejka 2022-08-02 17:55:47 +02:00
parent 3b20722a1f
commit de5b884280
3 changed files with 1 additions and 29 deletions

View File

@ -157,7 +157,6 @@ struct rtable_config {
btime min_settle_time; /* Minimum settle time for notifications */
btime max_settle_time; /* Maximum settle time for notifications */
btime export_settle_time; /* Delay before exports are announced */
uint cork_limit; /* Amount of routes to be pending on export to cork imports */
};
typedef struct rtable {
@ -188,9 +187,6 @@ typedef struct rtable {
int gc_counter; /* Number of operations since last GC */
byte prune_state; /* Table prune state, 1 -> scheduled, 2-> running */
byte nhu_state; /* Next Hop Update state */
byte cork_active; /* Congestion control activated */
struct fib_iterator prune_fit; /* Rtable prune FIB iterator */
struct fib_iterator nhu_fit; /* Next Hop Update FIB iterator */
struct tbf rl_pipe; /* Rate limiting token buffer for pipe collisions */
@ -382,8 +378,6 @@ struct rt_export_hook {
void (*stopped)(struct rt_export_request *); /* Stored callback when export is stopped */
};
extern struct event_cork rt_cork;
#define TIS_DOWN 0
#define TIS_UP 1
#define TIS_STOP 2

View File

@ -110,7 +110,6 @@ const char *rt_export_state_name(u8 state)
return rt_export_state_name_array[state];
}
struct event_cork rt_cork;
/* Like fib_route(), but skips empty net entries */
static inline void *
@ -1062,13 +1061,7 @@ rte_announce(rtable *tab, net *net, struct rte_storage *new, struct rte_storage
if (tab->first_export == NULL)
tab->first_export = rpe;
if ((tab->first_export->seq + tab->config->cork_limit <= tab->next_export_seq) && !tab->cork_active)
{
ev_cork(&rt_cork);
tab->cork_active = 1;
tm_start(tab->export_timer, 0);
}
else if (!tm_active(tab->export_timer))
if (!tm_active(tab->export_timer))
tm_start(tab->export_timer, tab->config->export_settle_time);
}
@ -2049,7 +2042,6 @@ rt_free(resource *_r)
DBG("Deleting routing table %s\n", r->name);
ASSERT_DIE(r->use_count == 0);
ASSERT_DIE(r->rt_count == 0);
ASSERT_DIE(!r->cork_active);
ASSERT_DIE(EMPTY_LIST(r->imports));
ASSERT_DIE(EMPTY_LIST(r->exports));
@ -2114,9 +2106,6 @@ rt_setup(pool *pp, struct rtable_config *cf)
t->hcu_event = ev_new_init(p, rt_update_hostcache, t);
t->nhu_event = ev_new_init(p, rt_next_hop_update, t);
t->nhu_event->cork = &rt_cork;
t->prune_event->cork = &rt_cork;
t->export_timer = tm_new_init(p, rt_announce_exports, t, 0, 0);
t->last_rt_change = t->gc_time = current_time();
t->next_export_seq = 1;
@ -2139,7 +2128,6 @@ rt_init(void)
rt_table_pool = rp_new(&root_pool, "Routing tables");
rte_update_pool = lp_new_default(rt_table_pool);
init_list(&routing_tables);
ev_init_cork(&rt_cork, "Route Table Cork");
}
/**
@ -2432,14 +2420,6 @@ done:;
if (EMPTY_LIST(tab->pending_exports) && tm_active(tab->export_timer))
tm_stop(tab->export_timer);
/* If reduced to at most one export block pending */
if (tab->cork_active &&
((!tab->first_export) || (tab->first_export->seq + 128 > tab->next_export_seq)))
{
tab->cork_active = 0;
ev_uncork(&rt_cork);
}
}
void
@ -2719,7 +2699,6 @@ rt_new_table(struct symbol *s, uint addr_type)
c->gc_min_time = 5;
c->min_settle_time = 1 S;
c->max_settle_time = 20 S;
c->cork_limit = 4 * page_size / sizeof(struct rt_pending_export);
c->config = new_config;
add_tail(&new_config->tables, &c->n);

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@ -584,7 +584,6 @@ bgp_conn_enter_established_state(struct bgp_conn *conn)
p->link_addr = p->neigh->iface->llv6->ip;
conn->sk->fast_rx = 0;
conn->sk->cork = &rt_cork;
p->conn = conn;
p->last_error_class = 0;