224 static void ipv6_add_acaddr_hash(struct net *net, struct ifacaddr6 *aca)  in ipv6_add_acaddr_hash()  argument
226 	unsigned int hash = inet6_acaddr_hash(net, &aca->aca_addr);  in ipv6_add_acaddr_hash()
229 	hlist_add_head_rcu(&aca->aca_addr_lst, &inet6_acaddr_lst[hash]);  in ipv6_add_acaddr_hash()
233 static void ipv6_del_acaddr_hash(struct ifacaddr6 *aca)  in ipv6_del_acaddr_hash()  argument
236 	hlist_del_init_rcu(&aca->aca_addr_lst);  in ipv6_del_acaddr_hash()
240 static void aca_get(struct ifacaddr6 *aca)  in aca_get()  argument
242 	refcount_inc(&aca->aca_refcnt);  in aca_get()
247 	struct ifacaddr6 *aca = container_of(h, struct ifacaddr6, rcu);  in aca_free_rcu()  local
249 	fib6_info_release(aca->aca_rt);  in aca_free_rcu()
250 	kfree(aca);  in aca_free_rcu()
263 	struct ifacaddr6 *aca;  in aca_alloc()  local
265 	aca = kzalloc(sizeof(*aca), GFP_ATOMIC);  in aca_alloc()
266 	if (!aca)  in aca_alloc()
269 	aca->aca_addr = *addr;  in aca_alloc()
271 	aca->aca_rt = f6i;  in aca_alloc()
272 	INIT_HLIST_NODE(&aca->aca_addr_lst);  in aca_alloc()
273 	aca->aca_users = 1;  in aca_alloc()
275 	aca->aca_cstamp = aca->aca_tstamp = jiffies;  in aca_alloc()
276 	refcount_set(&aca->aca_refcnt, 1);  in aca_alloc()
278 	return aca;  in aca_alloc()
286 	struct ifacaddr6 *aca;  in __ipv6_dev_ac_inc()  local
299 	for (aca = idev->ac_list; aca; aca = aca->aca_next) {  in __ipv6_dev_ac_inc()
300 		if (ipv6_addr_equal(&aca->aca_addr, addr)) {  in __ipv6_dev_ac_inc()
301 			aca->aca_users++;  in __ipv6_dev_ac_inc()
313 	aca = aca_alloc(f6i, addr);  in __ipv6_dev_ac_inc()
314 	if (!aca) {  in __ipv6_dev_ac_inc()
320 	aca->aca_next = idev->ac_list;  in __ipv6_dev_ac_inc()
321 	idev->ac_list = aca;  in __ipv6_dev_ac_inc()
326 	aca_get(aca);  in __ipv6_dev_ac_inc()
329 	ipv6_add_acaddr_hash(net, aca);  in __ipv6_dev_ac_inc()
333 	addrconf_join_solict(idev->dev, &aca->aca_addr);  in __ipv6_dev_ac_inc()
335 	aca_put(aca);  in __ipv6_dev_ac_inc()
347 	struct ifacaddr6 *aca, *prev_aca;  in __ipv6_dev_ac_dec()  local
353 	for (aca = idev->ac_list; aca; aca = aca->aca_next) {  in __ipv6_dev_ac_dec()
354 		if (ipv6_addr_equal(&aca->aca_addr, addr))  in __ipv6_dev_ac_dec()
356 		prev_aca = aca;  in __ipv6_dev_ac_dec()
358 	if (!aca) {  in __ipv6_dev_ac_dec()
362 	if (--aca->aca_users > 0) {  in __ipv6_dev_ac_dec()
367 		prev_aca->aca_next = aca->aca_next;  in __ipv6_dev_ac_dec()
369 		idev->ac_list = aca->aca_next;  in __ipv6_dev_ac_dec()
371 	ipv6_del_acaddr_hash(aca);  in __ipv6_dev_ac_dec()
372 	addrconf_leave_solict(idev, &aca->aca_addr);  in __ipv6_dev_ac_dec()
374 	ip6_del_rt(dev_net(idev->dev), aca->aca_rt, false);  in __ipv6_dev_ac_dec()
376 	aca_put(aca);  in __ipv6_dev_ac_dec()
392 	struct ifacaddr6 *aca;  in ipv6_ac_destroy_dev()  local
395 	while ((aca = idev->ac_list) != NULL) {  in ipv6_ac_destroy_dev()
396 		idev->ac_list = aca->aca_next;  in ipv6_ac_destroy_dev()
399 		ipv6_del_acaddr_hash(aca);  in ipv6_ac_destroy_dev()
401 		addrconf_leave_solict(idev, &aca->aca_addr);  in ipv6_ac_destroy_dev()
403 		ip6_del_rt(dev_net(idev->dev), aca->aca_rt, false);  in ipv6_ac_destroy_dev()
405 		aca_put(aca);  in ipv6_ac_destroy_dev()
419 	struct ifacaddr6 *aca;  in ipv6_chk_acast_dev()  local
424 		for (aca = idev->ac_list; aca; aca = aca->aca_next)  in ipv6_chk_acast_dev()
425 			if (ipv6_addr_equal(&aca->aca_addr, addr))  in ipv6_chk_acast_dev()
428 		return aca != NULL;  in ipv6_chk_acast_dev()
440 	struct ifacaddr6 *aca;  in ipv6_chk_acast_addr()  local
449 		hlist_for_each_entry_rcu(aca, &inet6_acaddr_lst[hash],  in ipv6_chk_acast_addr()
451 			nh_dev = fib6_info_nh_dev(aca->aca_rt);  in ipv6_chk_acast_addr()
454 			if (ipv6_addr_equal(&aca->aca_addr, addr)) {  in ipv6_chk_acast_addr()