174 	struct pppox_sock *po = pppox_sk(sk);  in pptp_xmit()  local
176 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_xmit()
191 	if (sk_pppox(po)->sk_state & PPPOX_DEAD)  in pptp_xmit()
299 	struct pppox_sock *po = pppox_sk(sk);  in pptp_rcv_core()  local
300 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_rcv_core()
372 		ppp_input(&po->chan, skb);  in pptp_rcv_core()
383 	struct pppox_sock *po;  in pptp_rcv()  local
405 	po = lookup_chan(htons(header->call_id), iph->saddr);  in pptp_rcv()
406 	if (po) {  in pptp_rcv()
409 		return sk_receive_skb(sk_pppox(po), skb, 0);  in pptp_rcv()
421 	struct pppox_sock *po = pppox_sk(sk);  in pptp_bind()  local
439 	if (add_chan(po, &sp->sa_addr.pptp))  in pptp_bind()
454 	struct pppox_sock *po = pppox_sk(sk);  in pptp_connect()  local
455 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_connect()
487 	po->chan.private = sk;  in pptp_connect()
488 	po->chan.ops = &pptp_chan_ops;  in pptp_connect()
501 	po->chan.mtu = dst_mtu(&rt->dst);  in pptp_connect()
502 	if (!po->chan.mtu)  in pptp_connect()
503 		po->chan.mtu = PPP_MRU;  in pptp_connect()
505 	po->chan.mtu -= PPTP_HEADER_OVERHEAD;  in pptp_connect()
507 	po->chan.hdrlen = 2 + sizeof(struct pptp_gre_header);  in pptp_connect()
508 	error = ppp_register_channel(&po->chan);  in pptp_connect()
544 	struct pppox_sock *po;  in pptp_release()  local
558 	po = pppox_sk(sk);  in pptp_release()
559 	opt = &po->proto.pptp;  in pptp_release()
560 	del_chan(po);  in pptp_release()
587 	struct pppox_sock *po;  in pptp_create()  local
606 	po = pppox_sk(sk);  in pptp_create()
607 	opt = &po->proto.pptp;  in pptp_create()
621 	struct pppox_sock *po = pppox_sk(sk);  in pptp_ppp_ioctl()  local
622 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_ppp_ioctl()