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Merge commit '18f66055' into thread-next

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This commit is contained in:
Maria Matejka 2022-08-03 18:00:17 +02:00
commit e60b83d8ac
1 changed files with 6 additions and 64 deletions
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70
nest/rt-table.c
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@ -114,8 +114,6 @@
pool *rt_table_pool;
static linpool *rte_update_pool;
list routing_tables;
list deleted_routing_tables;
@ -153,9 +151,6 @@ static void rt_cork_release_hook(void *);
static inline void rt_export_used(struct rt_exporter *);
static void rt_export_cleanup(rtable *tab);
static inline void rte_update_lock(void);
static inline void rte_update_unlock(void);
static int rte_same(rte *x, rte *y);
const char *rt_import_state_name_array[TIS_MAX] = {
@ -966,13 +961,10 @@ done:
}
/* Nothing to export */
if (!new_best && !old_best)
{
if (new_best || old_best)
do_rt_notify(c, n, new_best, old_best);
else
DBG("rt_notify_accepted: nothing to export\n");
return;
}
do_rt_notify(c, n, new_best, old_best);
}
rte *
@ -1079,7 +1071,7 @@ rt_notify_merged(struct rt_export_request *req, const net_addr *n, struct rt_pen
}
/* Prepare new merged route */
rte *new_merged = count ? rt_export_merged(c, feed, count, rte_update_pool, 0) : NULL;
rte *new_merged = count ? rt_export_merged(c, feed, count, tmp_linpool, 0) : NULL;
if (new_merged || old_best)
do_rt_notify(c, n, new_merged, old_best);
@ -1089,7 +1081,6 @@ void
rt_notify_optimal(struct rt_export_request *req, const net_addr *net, struct rt_pending_export *rpe)
{
struct channel *c = SKIP_BACK(struct channel, out_req, req);
rte *o = RTE_VALID_OR_NULL(rpe->old_best);
struct rte_storage *new_best = rpe->new_best;
@ -1482,14 +1473,10 @@ rt_export_hook(void *_data)
/* Process the export */
for (uint i=0; i<RT_EXPORT_BULK; i++)
{
rte_update_lock();
rte_export(c, c->rpe_next);
if (!c->rpe_next)
break;
rte_update_unlock();
}
rt_send_export_event(c);
@ -1775,21 +1762,6 @@ rte_recalculate(struct rt_import_hook *c, net *net, rte *new, struct rte_src *sr
}
static int rte_update_nest_cnt; /* Nesting counter to allow recursive updates */
static inline void
rte_update_lock(void)
{
rte_update_nest_cnt++;
}
static inline void
rte_update_unlock(void)
{
if (!--rte_update_nest_cnt)
lp_flush(rte_update_pool);
}
int
channel_preimport(struct rt_import_request *req, rte *new, rte *old)
{
@ -1839,7 +1811,6 @@ rte_update(struct channel *c, const net_addr *n, rte *new, struct rte_src *src)
const struct filter *filter = c->in_filter;
struct channel_import_stats *stats = &c->import_stats;
rte_update_lock();
if (new)
{
new->net = n;
@ -1890,7 +1861,6 @@ rte_update(struct channel *c, const net_addr *n, rte *new, struct rte_src *src)
ea_free(a);
}
rte_update_unlock();
}
void
@ -1921,25 +1891,6 @@ rte_import(struct rt_import_request *req, const net_addr *n, rte *new, struct rt
rte_recalculate(hook, nn, new, src);
}
/* Independent call to rte_announce(), used from next hop
recalculation, outside of rte_update(). new must be non-NULL */
static inline void
rte_announce_i(rtable *tab, net *net, struct rte_storage *new, struct rte_storage *old,
struct rte_storage *new_best, struct rte_storage *old_best)
{
rte_update_lock();
rte_announce(tab, net, new, old, new_best, old_best);
rte_update_unlock();
}
static inline void
rte_discard(net *net, rte *old) /* Non-filtered route deletion, used during garbage collection */
{
rte_update_lock();
rte_recalculate(old->sender, net, NULL, old->src);
rte_update_unlock();
}
/* Check rtable for best route to given net whether it would be exported do p */
int
rt_examine(rtable *t, net_addr *a, struct channel *c, const struct filter *filter)
@ -1951,15 +1902,11 @@ rt_examine(rtable *t, net_addr *a, struct channel *c, const struct filter *filte
rte rt = n->routes->rte;
rte_update_lock();
/* Rest is stripped down export_filter() */
int v = c->proto->preexport ? c->proto->preexport(c, &rt) : 0;
if (v == RIC_PROCESS)
v = (f_run(filter, &rt, FF_SILENT) <= F_ACCEPT);
rte_update_unlock();
return v > 0;
}
@ -2731,7 +2678,6 @@ rt_init(void)
{
rta_init();
rt_table_pool = rp_new(&root_pool, "Routing tables");
rte_update_pool = lp_new_default(rt_table_pool);
init_list(&routing_tables);
init_list(&deleted_routing_tables);
ev_init_list(&rt_cork.queue, &main_birdloop, "Route cork release");
@ -2816,7 +2762,7 @@ again:
(e->rte.stale_cycle < s->stale_valid) ||
(e->rte.stale_cycle > s->stale_set))
{
rte_discard(n, &e->rte);
rte_recalculate(e->rte.sender, n, NULL, e->rte.src);
limit--;
goto rescan;
@ -3590,7 +3536,7 @@ rt_next_hop_update_net(rtable *tab, net *n)
{ "autoupdated [+best]", "autoupdated [best]" }
};
rt_rte_trace_in(D_ROUTES, updates[i].new->rte.sender->req, &updates[i].new->rte, best_indicator[nb][ob]);
rte_announce_i(tab, n, updates[i].new, updates[i].old, new, old_best);
rte_announce(tab, n, updates[i].new, updates[i].old, new, old_best);
}
return count;
@ -3940,20 +3886,16 @@ rt_feed_net(struct rt_export_hook *c, net *n)
count = rte_feed_count(n);
if (count)
{
rte_update_lock();
rte **feed = alloca(count * sizeof(rte *));
rte_feed_obtain(n, feed, count);
c->req->export_bulk(c->req, n->n.addr, NULL, feed, count);
rte_update_unlock();
}
}
else if (n->routes)
{
rte_update_lock();
struct rt_pending_export rpe = { .new = n->routes, .new_best = n->routes };
c->req->export_one(c->req, n->n.addr, &rpe);
rte_update_unlock();
count = 1;
}