xt_l2tp.h

 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2#ifndef _LINUX_NETFILTER_XT_L2TP_H
 3#define _LINUX_NETFILTER_XT_L2TP_H
 4
 5#include <linux/types.h>
 6
 7enum xt_l2tp_type {
 8	XT_L2TP_TYPE_CONTROL,
 9	XT_L2TP_TYPE_DATA,
10};
11
12/* L2TP matching stuff */
13struct xt_l2tp_info {
14	__u32 tid;			/* tunnel id */
15	__u32 sid;			/* session id */
16	__u8 version;			/* L2TP protocol version */
17	__u8 type;			/* L2TP packet type */
18	__u8 flags;			/* which fields to match */
19};
20
21enum {
22	XT_L2TP_TID	= (1 << 0),	/* match L2TP tunnel id */
23	XT_L2TP_SID	= (1 << 1),	/* match L2TP session id */
24	XT_L2TP_VERSION	= (1 << 2),	/* match L2TP protocol version */
25	XT_L2TP_TYPE	= (1 << 3),	/* match L2TP packet type */
26};
27
28#endif /* _LINUX_NETFILTER_XT_L2TP_H */