/* SPDX-License-Identifier: GPL-2.0 */ | |
#ifndef _NET_PPTP_H | |
#define _NET_PPTP_H | |
#define PPP_LCP_ECHOREQ 0x09 | |
#define PPP_LCP_ECHOREP 0x0A | |
#define SC_RCV_BITS (SC_RCV_B7_1|SC_RCV_B7_0|SC_RCV_ODDP|SC_RCV_EVNP) | |
#define MISSING_WINDOW 20 | |
#define WRAPPED(curseq, lastseq)\ | |
((((curseq) & 0xffffff00) == 0) &&\ | |
(((lastseq) & 0xffffff00) == 0xffffff00)) | |
#define PPTP_HEADER_OVERHEAD (2+sizeof(struct pptp_gre_header)) | |
struct pptp_gre_header { | |
struct gre_base_hdr gre_hd; | |
__be16 payload_len; | |
__be16 call_id; | |
__be32 seq; | |
__be32 ack; | |
} __packed; | |
#endif |