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