net/ipv6/ip6_flowlabel.c

69 #define for_each_sk_fl_rcu(np, sfl)				\
70 	for (sfl = rcu_dereference(np->ipv6_fl_list);	\
71 	     sfl != NULL;					\
72 	     sfl = rcu_dereference(sfl->next))
264 	struct ipv6_fl_socklist *sfl;
270 	for_each_sk_fl_rcu(np, sfl) {
271 		struct ip6_flowlabel *fl = sfl->fl;
287 	struct ipv6_fl_socklist *sfl;
293 	while ((sfl = rcu_dereference_protected(np->ipv6_fl_list,
295 		np->ipv6_fl_list = sfl->next;
298 		fl_release(sfl->fl);
299 		kfree_rcu(sfl, rcu);
474 	struct ipv6_fl_socklist *sfl;
482 	for_each_sk_fl_rcu(np, sfl)
495 static inline void fl_link(struct ipv6_pinfo *np, struct ipv6_fl_socklist *sfl,
499 	sfl->fl = fl;
500 	sfl->next = np->ipv6_fl_list;
501 	rcu_assign_pointer(np->ipv6_fl_list, sfl);
509 	struct ipv6_fl_socklist *sfl;
523 	for_each_sk_fl_rcu(np, sfl) {
524 		if (sfl->fl->label == (np->flow_label & IPV6_FLOWLABEL_MASK)) {
526 			freq->flr_label = sfl->fl->label;
527 			freq->flr_dst = sfl->fl->dst;
528 			freq->flr_share = sfl->fl->share;
529 			freq->flr_expires = (sfl->fl->expires - jiffies) / HZ;
530 			freq->flr_linger = sfl->fl->linger / HZ;
549 	struct ipv6_fl_socklist *sfl;
563 	     (sfl = socklist_dereference(*sflp)) != NULL;
564 	     sflp = &sfl->next) {
565 		if (sfl->fl->label == freq->flr_label)
573 	*sflp = sfl->next;
575 	fl_release(sfl->fl);
576 	kfree_rcu(sfl, rcu);
584 	struct ipv6_fl_socklist *sfl;
588 	for_each_sk_fl_rcu(np, sfl) {
589 		if (sfl->fl->label == freq->flr_label) {
590 			err = fl6_renew(sfl->fl, freq->flr_linger,
615 	struct ipv6_fl_socklist *sfl, *sfl1 = NULL;
648 		for_each_sk_fl_rcu(np, sfl) {
649 			if (sfl->fl->label == freq->flr_label) {
654 				fl1 = sfl->fl;