21 		 struct endpoint *endpoint, u8 ds, struct dst_cache *cache)  in send4()  argument
24 		.saddr = endpoint->src4.s_addr,  in send4()
25 		.daddr = endpoint->addr4.sin_addr.s_addr,  in send4()
26 		.fl4_dport = endpoint->addr4.sin_port,  in send4()
55 			endpoint->src4.s_addr = 0;  in send4()
56 			endpoint->src_if4 = 0;  in send4()
62 		if (unlikely(endpoint->src_if4 && ((IS_ERR(rt) &&  in send4()
64 			     rt->dst.dev->ifindex != endpoint->src_if4)))) {  in send4()
65 			endpoint->src4.s_addr = 0;  in send4()
66 			endpoint->src_if4 = 0;  in send4()
77 					    wg->dev->name, &endpoint->addr, ret);  in send4()
98 		 struct endpoint *endpoint, u8 ds, struct dst_cache *cache)  in send6()  argument
102 		.saddr = endpoint->src6,  in send6()
103 		.daddr = endpoint->addr6.sin6_addr,  in send6()
104 		.fl6_dport = endpoint->addr6.sin6_port,  in send6()
106 		.flowi6_oif = endpoint->addr6.sin6_scope_id,  in send6()
135 			endpoint->src6 = fl.saddr = in6addr_any;  in send6()
144 					    wg->dev->name, &endpoint->addr, ret);  in send6()
174 	if (peer->endpoint.addr.sa_family == AF_INET)  in wg_socket_send_skb_to_peer()
175 		ret = send4(peer->device, skb, &peer->endpoint, ds,  in wg_socket_send_skb_to_peer()
177 	else if (peer->endpoint.addr.sa_family == AF_INET6)  in wg_socket_send_skb_to_peer()
178 		ret = send6(peer->device, skb, &peer->endpoint, ds,  in wg_socket_send_skb_to_peer()
209 	struct endpoint endpoint;  in wg_socket_send_buffer_as_reply_to_skb()  local
213 	ret = wg_socket_endpoint_from_skb(&endpoint, in_skb);  in wg_socket_send_buffer_as_reply_to_skb()
224 	if (endpoint.addr.sa_family == AF_INET)  in wg_socket_send_buffer_as_reply_to_skb()
225 		ret = send4(wg, skb, &endpoint, 0, NULL);  in wg_socket_send_buffer_as_reply_to_skb()
226 	else if (endpoint.addr.sa_family == AF_INET6)  in wg_socket_send_buffer_as_reply_to_skb()
227 		ret = send6(wg, skb, &endpoint, 0, NULL);  in wg_socket_send_buffer_as_reply_to_skb()
228 	/* No other possibilities if the endpoint is valid, which it is,  in wg_socket_send_buffer_as_reply_to_skb()
235 int wg_socket_endpoint_from_skb(struct endpoint *endpoint,  in wg_socket_endpoint_from_skb()  argument
238 	memset(endpoint, 0, sizeof(*endpoint));  in wg_socket_endpoint_from_skb()
240 		endpoint->addr4.sin_family = AF_INET;  in wg_socket_endpoint_from_skb()
241 		endpoint->addr4.sin_port = udp_hdr(skb)->source;  in wg_socket_endpoint_from_skb()
242 		endpoint->addr4.sin_addr.s_addr = ip_hdr(skb)->saddr;  in wg_socket_endpoint_from_skb()
243 		endpoint->src4.s_addr = ip_hdr(skb)->daddr;  in wg_socket_endpoint_from_skb()
244 		endpoint->src_if4 = skb->skb_iif;  in wg_socket_endpoint_from_skb()
246 		endpoint->addr6.sin6_family = AF_INET6;  in wg_socket_endpoint_from_skb()
247 		endpoint->addr6.sin6_port = udp_hdr(skb)->source;  in wg_socket_endpoint_from_skb()
248 		endpoint->addr6.sin6_addr = ipv6_hdr(skb)->saddr;  in wg_socket_endpoint_from_skb()
249 		endpoint->addr6.sin6_scope_id = ipv6_iface_scope_id(  in wg_socket_endpoint_from_skb()
251 		endpoint->src6 = ipv6_hdr(skb)->daddr;  in wg_socket_endpoint_from_skb()
258 static bool endpoint_eq(const struct endpoint *a, const struct endpoint *b)  in endpoint_eq()
274 				 const struct endpoint *endpoint)  in wg_socket_set_peer_endpoint()  argument
277 	 * that an endpoint will change. If we happen to be mid-write, and two  in wg_socket_set_peer_endpoint()
281 	if (endpoint_eq(endpoint, &peer->endpoint))  in wg_socket_set_peer_endpoint()
284 	if (endpoint->addr.sa_family == AF_INET) {  in wg_socket_set_peer_endpoint()
285 		peer->endpoint.addr4 = endpoint->addr4;  in wg_socket_set_peer_endpoint()
286 		peer->endpoint.src4 = endpoint->src4;  in wg_socket_set_peer_endpoint()
287 		peer->endpoint.src_if4 = endpoint->src_if4;  in wg_socket_set_peer_endpoint()
288 	} else if (IS_ENABLED(CONFIG_IPV6) && endpoint->addr.sa_family == AF_INET6) {  in wg_socket_set_peer_endpoint()
289 		peer->endpoint.addr6 = endpoint->addr6;  in wg_socket_set_peer_endpoint()
290 		peer->endpoint.src6 = endpoint->src6;  in wg_socket_set_peer_endpoint()
302 	struct endpoint endpoint;  in wg_socket_set_peer_endpoint_from_skb()  local
304 	if (!wg_socket_endpoint_from_skb(&endpoint, skb))  in wg_socket_set_peer_endpoint_from_skb()
305 		wg_socket_set_peer_endpoint(peer, &endpoint);  in wg_socket_set_peer_endpoint_from_skb()
311 	memset(&peer->endpoint.src6, 0, sizeof(peer->endpoint.src6));  in wg_socket_clear_peer_endpoint_src()