net/ipv6/xfrm6_protocol.c

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