netfilter/ipvs/ip_vs_lblcr.c

277 	struct ip_vs_service	*svc;		/* pointer back to service */
395 static void ip_vs_lblcr_flush(struct ip_vs_service *svc)
397 	struct ip_vs_lblcr_table *tbl = svc->sched_data;
402 	spin_lock_bh(&svc->sched_lock);
409 	spin_unlock_bh(&svc->sched_lock);
412 static int sysctl_lblcr_expiration(struct ip_vs_service *svc)
415 	return svc->ipvs->sysctl_lblcr_expiration;
421 static inline void ip_vs_lblcr_full_check(struct ip_vs_service *svc)
423 	struct ip_vs_lblcr_table *tbl = svc->sched_data;
432 		spin_lock(&svc->sched_lock);
435 				       sysctl_lblcr_expiration(svc), now))
441 		spin_unlock(&svc->sched_lock);
461 	struct ip_vs_service *svc = tbl->svc;
470 		ip_vs_lblcr_full_check(svc);
487 		spin_lock(&svc->sched_lock);
496 		spin_unlock(&svc->sched_lock);
506 static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc)
518 	svc->sched_data = tbl;
532 	tbl->svc = svc;
545 static void ip_vs_lblcr_done_svc(struct ip_vs_service *svc)
547 	struct ip_vs_lblcr_table *tbl = svc->sched_data;
553 	ip_vs_lblcr_flush(svc);
563 __ip_vs_lblcr_schedule(struct ip_vs_service *svc)
580 	list_for_each_entry_rcu(dest, &svc->destinations, n_list) {
596 	list_for_each_entry_continue_rcu(dest, &svc->destinations, n_list) {
625 is_overloaded(struct ip_vs_dest *dest, struct ip_vs_service *svc)
630 		list_for_each_entry_rcu(d, &svc->destinations, n_list) {
645 ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
648 	struct ip_vs_lblcr_table *tbl = svc->sched_data;
655 	en = ip_vs_lblcr_get(svc->af, tbl, &iph->daddr);
665 				sysctl_lblcr_expiration(svc))) {
666 			spin_lock_bh(&svc->sched_lock);
674 			spin_unlock_bh(&svc->sched_lock);
678 		if (dest && !is_overloaded(dest, svc))
682 		dest = __ip_vs_lblcr_schedule(svc);
684 			ip_vs_scheduler_err(svc, "no destination available");
689 		spin_lock_bh(&svc->sched_lock);
692 		spin_unlock_bh(&svc->sched_lock);
697 	dest = __ip_vs_lblcr_schedule(svc);
704 	spin_lock_bh(&svc->sched_lock);
706 		ip_vs_lblcr_new(tbl, &iph->daddr, svc->af, dest);
707 	spin_unlock_bh(&svc->sched_lock);
711 		      IP_VS_DBG_ADDR(svc->af, &iph->daddr),