132 static struct rtable *pptp_route_output(const struct pppox_sock *po,  in pptp_route_output()  argument
135 	const struct sock *sk = &po->sk;  in pptp_route_output()
141 			   po->proto.pptp.dst_addr.sin_addr.s_addr,  in pptp_route_output()
142 			   po->proto.pptp.src_addr.sin_addr.s_addr,  in pptp_route_output()
152 	struct pppox_sock *po = pppox_sk(sk);  in pptp_xmit()  local
154 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_xmit()
167 	if (po->sk.sk_state & PPPOX_DEAD)  in pptp_xmit()
170 	rt = pptp_route_output(po, &fl4);  in pptp_xmit()
275 	struct pppox_sock *po = pppox_sk(sk);  in pptp_rcv_core()  local
276 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_rcv_core()
338 		ppp_input(&po->chan, skb);  in pptp_rcv_core()
349 	struct pppox_sock *po;  in pptp_rcv()  local
371 	po = lookup_chan(ntohs(header->call_id), iph->saddr);  in pptp_rcv()
372 	if (po) {  in pptp_rcv()
375 		return sk_receive_skb(&po->sk, skb, 0);  in pptp_rcv()
387 	struct pppox_sock *po = pppox_sk(sk);  in pptp_bind()  local
405 	if (add_chan(po, &sp->sa_addr.pptp))  in pptp_bind()
420 	struct pppox_sock *po = pppox_sk(sk);  in pptp_connect()  local
421 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_connect()
453 	po->chan.private = sk;  in pptp_connect()
454 	po->chan.ops = &pptp_chan_ops;  in pptp_connect()
456 	rt = pptp_route_output(po, &fl4);  in pptp_connect()
463 	po->chan.mtu = dst_mtu(&rt->dst);  in pptp_connect()
464 	if (!po->chan.mtu)  in pptp_connect()
465 		po->chan.mtu = PPP_MRU;  in pptp_connect()
466 	po->chan.mtu -= PPTP_HEADER_OVERHEAD;  in pptp_connect()
468 	po->chan.hdrlen = 2 + sizeof(struct pptp_gre_header);  in pptp_connect()
469 	po->chan.direct_xmit = true;  in pptp_connect()
470 	error = ppp_register_channel(&po->chan);  in pptp_connect()
504 	struct pppox_sock *po;  in pptp_release()  local
517 	po = pppox_sk(sk);  in pptp_release()
518 	del_chan(po);  in pptp_release()
546 	struct pppox_sock *po;  in pptp_create()  local
565 	po = pppox_sk(sk);  in pptp_create()
566 	opt = &po->proto.pptp;  in pptp_create()
580 	struct pppox_sock *po = pppox_sk(sk);  in pptp_ppp_ioctl()  local
581 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_ppp_ioctl()