net/ppp/pptp.c

56 	struct pptp_opt *opt;
61 		opt = &sock->proto.pptp;
62 		if (opt->dst_addr.sin_addr.s_addr != s_addr)
75 	struct pptp_opt *opt;
84 		opt = &sock->proto.pptp;
85 		if (opt->dst_addr.call_id == call_id &&
86 			  opt->dst_addr.sin_addr.s_addr == d_addr)
154 	struct pptp_opt *opt = &po->proto.pptp;
198 	if ((opt->ppp_flags & SC_COMP_PROT) && data[0] == 0 && !islcp)
202 	if ((opt->ppp_flags & SC_COMP_AC) == 0 || islcp) {
210 	seq_recv = opt->seq_recv;
212 	if (opt->ack_sent == seq_recv)
221 	hdr->call_id = htons(opt->dst_addr.call_id);
223 	hdr->seq = htonl(++opt->seq_sent);
224 	if (opt->ack_sent != seq_recv)	{
228 		opt->ack_sent = seq_recv;
237 	memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
276 	struct pptp_opt *opt = &po->proto.pptp;
301 		if (ack > opt->ack_recv)
302 			opt->ack_recv = ack;
304 		if (WRAPPED(ack, opt->ack_recv))
305 			opt->ack_recv = ack;
322 	if (seq < opt->seq_recv + 1 || WRAPPED(opt->seq_recv, seq)) {
328 		opt->seq_recv = seq;
424 	struct pptp_opt *opt = &po->proto.pptp;
451 	if (!opt->src_addr.sin_addr.s_addr || !sp->sa_addr.pptp.sin_addr.s_addr) {
479 	opt->dst_addr = sp->sa_addr.pptp;
551 	struct pptp_opt *opt;
570 	opt = &po->proto.pptp;
572 	opt->seq_sent = 0; opt->seq_recv = 0xffffffff;
573 	opt->ack_recv = 0; opt->ack_sent = 0xffffffff;
585 	struct pptp_opt *opt = &po->proto.pptp;
593 		val = opt->ppp_flags;
601 		opt->ppp_flags = val & ~SC_RCV_BITS;