[mirror_ubuntu-bionic-kernel.git] / include / net / pptp.h

#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
Commit	Line	Data
ab10dccb GF	1	#ifndef _NET_PPTP_H
	2	#define _NET_PPTP_H
	3
	4	#define PPP_LCP_ECHOREQ 0x09
	5	#define PPP_LCP_ECHOREP 0x0A
	6	#define SC_RCV_BITS (SC_RCV_B7_1\|SC_RCV_B7_0\|SC_RCV_ODDP\|SC_RCV_EVNP)
	7
	8	#define MISSING_WINDOW 20
	9	#define WRAPPED(curseq, lastseq)\
	10	((((curseq) & 0xffffff00) == 0) &&\
	11	(((lastseq) & 0xffffff00) == 0xffffff00))
	12
ab10dccb GF	13	#define PPTP_HEADER_OVERHEAD (2+sizeof(struct pptp_gre_header))
ab10dccb GF	14	struct pptp_gre_header {
03459345	15	struct gre_base_hdr gre_hd;
ab10dccb GF	16	__be16 payload_len;
	17	__be16 call_id;
	18	__be32 seq;
	19	__be32 ack;
	20	} __packed;
	21
	22
	23	#endif