41 #define for_each_protocol_rcu(head, handler)		\  argument
42 	for (handler = rcu_dereference(head);		\
43 	     handler != NULL;				\
44 	     handler = rcu_dereference(handler->next))	\
49 	struct xfrm6_protocol *handler;  in xfrm6_rcv_cb()  local
55 	for_each_protocol_rcu(*proto_handlers(protocol), handler)  in xfrm6_rcv_cb()
56 		if ((ret = handler->cb_handler(skb, err)) <= 0)  in xfrm6_rcv_cb()
66 	struct xfrm6_protocol *handler;  in xfrm6_rcv_encap()  local
96 	for_each_protocol_rcu(*head, handler)  in xfrm6_rcv_encap()
97 		if ((ret = handler->input_handler(skb, nexthdr, spi, encap_type)) != -EINVAL)  in xfrm6_rcv_encap()
112 	struct xfrm6_protocol *handler;  in xfrm6_esp_rcv()  local
116 	for_each_protocol_rcu(esp6_handlers, handler)  in xfrm6_esp_rcv()
117 		if ((ret = handler->handler(skb)) != -EINVAL)  in xfrm6_esp_rcv()
129 	struct xfrm6_protocol *handler;  in xfrm6_esp_err()  local
131 	for_each_protocol_rcu(esp6_handlers, handler)  in xfrm6_esp_err()
132 		if (!handler->err_handler(skb, opt, type, code, offset, info))  in xfrm6_esp_err()
141 	struct xfrm6_protocol *handler;  in xfrm6_ah_rcv()  local
145 	for_each_protocol_rcu(ah6_handlers, handler)  in xfrm6_ah_rcv()
146 		if ((ret = handler->handler(skb)) != -EINVAL)  in xfrm6_ah_rcv()
158 	struct xfrm6_protocol *handler;  in xfrm6_ah_err()  local
160 	for_each_protocol_rcu(ah6_handlers, handler)  in xfrm6_ah_err()
161 		if (!handler->err_handler(skb, opt, type, code, offset, info))  in xfrm6_ah_err()
170 	struct xfrm6_protocol *handler;  in xfrm6_ipcomp_rcv()  local
174 	for_each_protocol_rcu(ipcomp6_handlers, handler)  in xfrm6_ipcomp_rcv()
175 		if ((ret = handler->handler(skb)) != -EINVAL)  in xfrm6_ipcomp_rcv()
187 	struct xfrm6_protocol *handler;  in xfrm6_ipcomp_err()  local
189 	for_each_protocol_rcu(ipcomp6_handlers, handler)  in xfrm6_ipcomp_err()
190 		if (!handler->err_handler(skb, opt, type, code, offset, info))  in xfrm6_ipcomp_err()
197 	.handler	=	xfrm6_esp_rcv,
203 	.handler	=	xfrm6_ah_rcv,
209 	.handler	=	xfrm6_ipcomp_rcv,
233 int xfrm6_protocol_register(struct xfrm6_protocol *handler,  in xfrm6_protocol_register()  argument
240 	int priority = handler->priority;  in xfrm6_protocol_register()
261 	handler->next = *pprev;  in xfrm6_protocol_register()
262 	rcu_assign_pointer(*pprev, handler);  in xfrm6_protocol_register()
280 int xfrm6_protocol_deregister(struct xfrm6_protocol *handler,  in xfrm6_protocol_deregister()  argument
296 		if (t == handler) {  in xfrm6_protocol_deregister()
297 			*pprev = handler->next;  in xfrm6_protocol_deregister()