| /* 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 |