summaryrefslogtreecommitdiff
path: root/nest/rt-table.c
diff options
context:
space:
mode:
Diffstat (limited to 'nest/rt-table.c')
-rw-r--r--nest/rt-table.c63
1 files changed, 39 insertions, 24 deletions
diff --git a/nest/rt-table.c b/nest/rt-table.c
index f4ca9170..e712796b 100644
--- a/nest/rt-table.c
+++ b/nest/rt-table.c
@@ -1515,6 +1515,7 @@ rt_export_hook(void *_data)
}
int used = 0;
+ int no_next = 0;
/* Process the export */
for (uint i=0; i<RT_EXPORT_BULK; i++)
@@ -1522,12 +1523,16 @@ rt_export_hook(void *_data)
used += rte_export(c, c->rpe_next);
if (!c->rpe_next)
+ {
+ no_next = 1;
break;
+ }
}
if (used)
- RT_LOCKED(tab, _)
- rt_export_used(c->table, c->h.req->name, "finished export bulk");
+ RT_LOCKED(tab, t)
+ if (no_next || t->cork_active)
+ rt_export_used(c->table, c->h.req->name, no_next ? "finished export bulk" : "cork active");
rt_send_export_event(&c->h);
}
@@ -2058,10 +2063,11 @@ rt_stop_import(struct rt_import_request *req, void (*stopped)(struct rt_import_r
rt_set_import_state(hook, TIS_STOP);
hook->stopped = stopped;
+ /* Cancel table rr_counter */
if (hook->stale_set != hook->stale_pruned)
- tab->rr_counter -= (hook->stale_set - hook->stale_pruned - 1);
- else
- tab->rr_counter++;
+ tab->rr_counter -= (hook->stale_set - hook->stale_pruned);
+
+ tab->rr_counter++;
hook->stale_set = hook->stale_pruned = hook->stale_pruning = hook->stale_valid = 0;
}
@@ -2222,7 +2228,7 @@ rt_table_export_stop_locked(struct rt_export_hook *hh)
switch (atomic_load_explicit(&hh->export_state, memory_order_relaxed))
{
case TES_HUNGRY:
- rt_trace(tab, D_EVENTS, "Stopping export hook %s must wait for uncorking; %p", hook->h.req->name, hook->h.n.next);
+ rt_trace(tab, D_EVENTS, "Stopping export hook %s must wait for uncorking", hook->h.req->name);
return 0;
case TES_FEEDING:
switch (hh->req->addr_mode)
@@ -2241,7 +2247,10 @@ rt_table_export_stop_locked(struct rt_export_hook *hh)
fit_get(&tab->fib, &hook->feed_fit);
break;
}
+ break;
+ case TES_STOP:
+ bug("Tried to repeatedly stop the same export hook %s", hook->h.req->name);
}
rt_trace(tab, D_EVENTS, "Stopping export hook %s right now", hook->h.req->name);
@@ -2332,7 +2341,7 @@ rt_refresh_begin(struct rt_import_request *req)
e->rte.stale_cycle = 0;
}
FIB_WALK_END;
- tab->rr_counter -= (hook->stale_set - hook->stale_pruned - 1);
+ tab->rr_counter -= hook->stale_set - hook->stale_pruned;
hook->stale_set = 1;
hook->stale_valid = 0;
hook->stale_pruned = 0;
@@ -2343,9 +2352,11 @@ rt_refresh_begin(struct rt_import_request *req)
/* Let's reserve the stale_cycle zero value for always-invalid routes */
hook->stale_set = 1;
hook->stale_valid = 0;
- tab->rr_counter++;
}
+ /* The table must know that we're route-refreshing */
+ tab->rr_counter++;
+
if (req->trace_routes & D_STATES)
log(L_TRACE "%s: route refresh begin [%u]", req->name, hook->stale_set);
@@ -2371,6 +2382,7 @@ rt_refresh_end(struct rt_import_request *req)
hook->stale_valid++;
ASSERT_DIE(hook->stale_set == hook->stale_valid);
+ /* Here we can't kick the timer as we aren't in the table service loop */
rt_schedule_prune(tab);
if (req->trace_routes & D_STATES)
@@ -2853,7 +2865,7 @@ rt_setup(pool *pp, struct rtable_config *cf)
}
/* Start the service thread */
- t->loop = birdloop_new(p, DOMAIN_ORDER(service), mb_sprintf(p, "Routing tahle %s", t->name));
+ t->loop = birdloop_new(p, DOMAIN_ORDER(service), mb_sprintf(p, "Routing table %s", t->name));
birdloop_enter(t->loop);
birdloop_flag_set_handler(t->loop, &t->fh);
birdloop_leave(t->loop);
@@ -3021,27 +3033,27 @@ again:
}
}
- uint flushed_channels = 0;
-
/* Close flushed channels */
WALK_LIST2_DELSAFE(ih, n, x, tab->imports, n)
if (ih->import_state == TIS_FLUSHING)
{
+ DBG("flushing %s %s rr %u", ih->req->name, tab->name, tab->rr_counter);
ih->flush_seq = tab->exporter.next_seq;
rt_set_import_state(ih, TIS_WAITING);
- flushed_channels++;
tab->rr_counter--;
+ tab->wait_counter++;
}
else if (ih->stale_pruning != ih->stale_pruned)
{
- tab->rr_counter -= (ih->stale_pruned - ih->stale_pruning);
+ DBG("pruning %s %s rr %u set %u valid %u pruning %u pruned %u", ih->req->name, tab->name, tab->rr_counter, ih->stale_set, ih->stale_valid, ih->stale_pruning, ih->stale_pruned);
+ tab->rr_counter -= (ih->stale_pruning - ih->stale_pruned);
ih->stale_pruned = ih->stale_pruning;
if (ih->req->trace_routes & D_STATES)
log(L_TRACE "%s: table prune after refresh end [%u]", ih->req->name, ih->stale_pruned);
}
/* In some cases, we may want to directly proceed to export cleanup */
- if (EMPTY_LIST(tab->exporter.e.hooks) && flushed_channels)
+ if (EMPTY_LIST(tab->exporter.e.hooks) && tab->wait_counter)
rt_export_cleanup(tab);
}
@@ -3202,13 +3214,15 @@ rt_export_cleanup(struct rtable_private *tab)
done:;
struct rt_import_hook *ih; node *x;
- WALK_LIST2_DELSAFE(ih, n, x, tab->imports, n)
- if (ih->import_state == TIS_WAITING)
- if (!first || (first->seq >= ih->flush_seq))
- {
- ih->import_state = TIS_CLEARED;
- ev_send(ih->req->list, &ih->announce_event);
- }
+ if (tab->wait_counter)
+ WALK_LIST2_DELSAFE(ih, n, x, tab->imports, n)
+ if (ih->import_state == TIS_WAITING)
+ if (!first || (first->seq >= ih->flush_seq))
+ {
+ ih->import_state = TIS_CLEARED;
+ tab->wait_counter--;
+ ev_send(ih->req->list, &ih->announce_event);
+ }
if ((tab->gc_counter += want_prune) >= tab->config->gc_threshold)
rt_kick_prune_timer(tab);
@@ -3287,7 +3301,7 @@ rt_unlock_trie(struct rtable_private *tab, struct f_trie *trie)
if (tab->trie && (tab->trie->prefix_count > (2 * tab->fib.entries)))
{
tab->prune_trie = 1;
- rt_schedule_prune(tab);
+ rt_kick_prune_timer(tab);
}
}
}
@@ -3940,8 +3954,8 @@ rt_new_table(struct symbol *s, uint addr_type)
c->addr_type = addr_type;
c->gc_threshold = 1000;
c->gc_period = (uint) -1; /* set in rt_postconfig() */
- c->cork_threshold.low = 128;
- c->cork_threshold.high = 512;
+ c->cork_threshold.low = 1024;
+ c->cork_threshold.high = 8192;
c->export_settle = (struct settle_config) {
.min = 1 MS,
.max = 100 MS,
@@ -4042,6 +4056,7 @@ rt_check_cork_high(struct rtable_private *tab)
{
tab->cork_active = 1;
rt_cork_acquire();
+ rt_export_used(&tab->exporter, tab->name, "corked");
rt_trace(tab, D_STATES, "Corked");
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 13:12:42 +0000