40 #define for_each_protocol_rcu(head, handler)		\  argument
41 	for (handler = rcu_dereference(head);		\
42 	     handler != NULL;				\
43 	     handler = rcu_dereference(handler->next))	\
48 	struct xfrm6_protocol *handler;  in xfrm6_rcv_cb()  local
54 	for_each_protocol_rcu(*proto_handlers(protocol), handler)  in xfrm6_rcv_cb()
55 		if ((ret = handler->cb_handler(skb, err)) <= 0)  in xfrm6_rcv_cb()
64 	struct xfrm6_protocol *handler;  in xfrm6_esp_rcv()  local
68 	for_each_protocol_rcu(esp6_handlers, handler)  in xfrm6_esp_rcv()
69 		if ((ret = handler->handler(skb)) != -EINVAL)  in xfrm6_esp_rcv()
81 	struct xfrm6_protocol *handler;  in xfrm6_esp_err()  local
83 	for_each_protocol_rcu(esp6_handlers, handler)  in xfrm6_esp_err()
84 		if (!handler->err_handler(skb, opt, type, code, offset, info))  in xfrm6_esp_err()
93 	struct xfrm6_protocol *handler;  in xfrm6_ah_rcv()  local
97 	for_each_protocol_rcu(ah6_handlers, handler)  in xfrm6_ah_rcv()
98 		if ((ret = handler->handler(skb)) != -EINVAL)  in xfrm6_ah_rcv()
110 	struct xfrm6_protocol *handler;  in xfrm6_ah_err()  local
112 	for_each_protocol_rcu(ah6_handlers, handler)  in xfrm6_ah_err()
113 		if (!handler->err_handler(skb, opt, type, code, offset, info))  in xfrm6_ah_err()
122 	struct xfrm6_protocol *handler;  in xfrm6_ipcomp_rcv()  local
126 	for_each_protocol_rcu(ipcomp6_handlers, handler)  in xfrm6_ipcomp_rcv()
127 		if ((ret = handler->handler(skb)) != -EINVAL)  in xfrm6_ipcomp_rcv()
139 	struct xfrm6_protocol *handler;  in xfrm6_ipcomp_err()  local
141 	for_each_protocol_rcu(ipcomp6_handlers, handler)  in xfrm6_ipcomp_err()
142 		if (!handler->err_handler(skb, opt, type, code, offset, info))  in xfrm6_ipcomp_err()
149 	.handler	=	xfrm6_esp_rcv,
155 	.handler	=	xfrm6_ah_rcv,
161 	.handler	=	xfrm6_ipcomp_rcv,
185 int xfrm6_protocol_register(struct xfrm6_protocol *handler,  in xfrm6_protocol_register()  argument
192 	int priority = handler->priority;  in xfrm6_protocol_register()
213 	handler->next = *pprev;  in xfrm6_protocol_register()
214 	rcu_assign_pointer(*pprev, handler);  in xfrm6_protocol_register()
232 int xfrm6_protocol_deregister(struct xfrm6_protocol *handler,  in xfrm6_protocol_deregister()  argument
248 		if (t == handler) {  in xfrm6_protocol_deregister()
249 			*pprev = handler->next;  in xfrm6_protocol_deregister()