54 static int pppolac_recv(struct sock *sk_udp, struct sk_buff *skb)  in pppolac_recv()  argument
98 	lock_sock(sk_udp);  in pppolac_recv()
99 	sk = sk_udp->sk_user_data;  in pppolac_recv()
101 		release_sock(sk_udp);  in pppolac_recv()
105 	release_sock(sk_udp);  in pppolac_recv()
143 	struct sock *sk_udp = (struct sock *)chan->private;  in pppolac_xmit()  local
144 	struct pppolac_opt *opt = &pppox_sk(sk_udp->sk_user_data)->proto.lac;  in pppolac_xmit()
172 	kernel_sendmsg(sk_udp->sk_socket, &msg, &iov, 1, skb->len);  in pppolac_xmit()
190 	struct sock *sk_udp;  in pppolac_connect()  local
207 	sk_udp = sock_udp->sk;  in pppolac_connect()
208 	lock_sock(sk_udp);  in pppolac_connect()
212 	if (sk_udp->sk_family != AF_INET)  in pppolac_connect()
215 	if (sk_udp->sk_protocol != IPPROTO_UDP)  in pppolac_connect()
218 	if (sk_udp->sk_state != TCP_ESTABLISHED)  in pppolac_connect()
221 	if (udp_sk(sk_udp)->encap_type || sk_udp->sk_user_data)  in pppolac_connect()
223 	if (!sk_udp->sk_bound_dev_if) {  in pppolac_connect()
224 		struct dst_entry *dst = sk_dst_get(sk_udp);  in pppolac_connect()
228 		sk_udp->sk_bound_dev_if = dst->dev->ifindex;  in pppolac_connect()
233 	po->chan.private = sk_udp;  in pppolac_connect()
244 	udp_sk(sk_udp)->encap_type = UDP_ENCAP_L2TPINUDP;  in pppolac_connect()
245 	udp_sk(sk_udp)->encap_rcv = pppolac_recv;  in pppolac_connect()
246 	sk_udp->sk_user_data = sk;  in pppolac_connect()
250 		release_sock(sk_udp);  in pppolac_connect()
272 		struct sock *sk_udp = (struct sock *)pppox_sk(sk)->chan.private;  in pppolac_release()  local
275 		lock_sock(sk_udp);  in pppolac_release()
276 		sk_udp->sk_user_data = NULL;  in pppolac_release()
277 		udp_sk(sk_udp)->encap_type = 0;  in pppolac_release()
278 		udp_sk(sk_udp)->encap_rcv = NULL;  in pppolac_release()
279 		release_sock(sk_udp);  in pppolac_release()
280 		sockfd_put(sk_udp->sk_socket);  in pppolac_release()