139 	struct pppox_sock *po = pppox_sk(sk);  in pptp_xmit()  local
141 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_xmit()
156 	if (sk_pppox(po)->sk_state & PPPOX_DEAD)  in pptp_xmit()
262 	struct pppox_sock *po = pppox_sk(sk);  in pptp_rcv_core()  local
263 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_rcv_core()
335 		ppp_input(&po->chan, skb);  in pptp_rcv_core()
346 	struct pppox_sock *po;  in pptp_rcv()  local
368 	po = lookup_chan(htons(header->call_id), iph->saddr);  in pptp_rcv()
369 	if (po) {  in pptp_rcv()
372 		return sk_receive_skb(sk_pppox(po), skb, 0);  in pptp_rcv()
384 	struct pppox_sock *po = pppox_sk(sk);  in pptp_bind()  local
402 	if (add_chan(po, &sp->sa_addr.pptp))  in pptp_bind()
417 	struct pppox_sock *po = pppox_sk(sk);  in pptp_connect()  local
418 	struct pptp_opt *opt = &po->proto.pptp;  in pptp_connect()
450 	po->chan.private = sk;  in pptp_connect()
451 	po->chan.ops = &pptp_chan_ops;  in pptp_connect()
464 	po->chan.mtu = dst_mtu(&rt->dst);  in pptp_connect()
465 	if (!po->chan.mtu)  in pptp_connect()
466 		po->chan.mtu = PPP_MRU;  in pptp_connect()
467 	po->chan.mtu -= PPTP_HEADER_OVERHEAD;  in pptp_connect()
469 	po->chan.hdrlen = 2 + sizeof(struct pptp_gre_header);  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()