1/*
2 * This header was generated from the Linux kernel headers by update_headers.py,
3 * to provide necessary information from kernel to userspace, such as constants,
4 * structures, and macros, and thus, contains no copyrightable information.
5 */
6#ifndef _UAPI_LINUX_L2TP_H_
7#define _UAPI_LINUX_L2TP_H_
8#include <linux/types.h>
9#include <linux/socket.h>
10#include <linux/in.h>
11#include <linux/in6.h>
12#define IPPROTO_L2TP		115
13#define __SOCK_SIZE__	16
14struct sockaddr_l2tpip {
15
16	__kernel_sa_family_t l2tp_family;
17	__be16		l2tp_unused;
18	struct in_addr	l2tp_addr;
19	__u32		l2tp_conn_id;
20
21	unsigned char	__pad[__SOCK_SIZE__ -
22			      sizeof(__kernel_sa_family_t) -
23			      sizeof(__be16) - sizeof(struct in_addr) -
24			      sizeof(__u32)];
25};
26struct sockaddr_l2tpip6 {
27
28	__kernel_sa_family_t l2tp_family;
29	__be16		l2tp_unused;
30	__be32		l2tp_flowinfo;
31	struct in6_addr	l2tp_addr;
32	__u32		l2tp_scope_id;
33	__u32		l2tp_conn_id;
34};
35enum {
36	L2TP_CMD_NOOP,
37	L2TP_CMD_TUNNEL_CREATE,
38	L2TP_CMD_TUNNEL_DELETE,
39	L2TP_CMD_TUNNEL_MODIFY,
40	L2TP_CMD_TUNNEL_GET,
41	L2TP_CMD_SESSION_CREATE,
42	L2TP_CMD_SESSION_DELETE,
43	L2TP_CMD_SESSION_MODIFY,
44	L2TP_CMD_SESSION_GET,
45	__L2TP_CMD_MAX,
46};
47#define L2TP_CMD_MAX			(__L2TP_CMD_MAX - 1)
48enum {
49	L2TP_ATTR_NONE,
50	L2TP_ATTR_PW_TYPE,
51	L2TP_ATTR_ENCAP_TYPE,
52	L2TP_ATTR_OFFSET,
53	L2TP_ATTR_DATA_SEQ,
54	L2TP_ATTR_L2SPEC_TYPE,
55	L2TP_ATTR_L2SPEC_LEN,
56	L2TP_ATTR_PROTO_VERSION,
57	L2TP_ATTR_IFNAME,
58	L2TP_ATTR_CONN_ID,
59	L2TP_ATTR_PEER_CONN_ID,
60	L2TP_ATTR_SESSION_ID,
61	L2TP_ATTR_PEER_SESSION_ID,
62	L2TP_ATTR_UDP_CSUM,
63	L2TP_ATTR_VLAN_ID,
64	L2TP_ATTR_COOKIE,
65	L2TP_ATTR_PEER_COOKIE,
66	L2TP_ATTR_DEBUG,
67	L2TP_ATTR_RECV_SEQ,
68	L2TP_ATTR_SEND_SEQ,
69	L2TP_ATTR_LNS_MODE,
70	L2TP_ATTR_USING_IPSEC,
71	L2TP_ATTR_RECV_TIMEOUT,
72	L2TP_ATTR_FD,
73	L2TP_ATTR_IP_SADDR,
74	L2TP_ATTR_IP_DADDR,
75	L2TP_ATTR_UDP_SPORT,
76	L2TP_ATTR_UDP_DPORT,
77	L2TP_ATTR_MTU,
78	L2TP_ATTR_MRU,
79	L2TP_ATTR_STATS,
80	L2TP_ATTR_IP6_SADDR,
81	L2TP_ATTR_IP6_DADDR,
82	L2TP_ATTR_UDP_ZERO_CSUM6_TX,
83	L2TP_ATTR_UDP_ZERO_CSUM6_RX,
84	L2TP_ATTR_PAD,
85	__L2TP_ATTR_MAX,
86};
87#define L2TP_ATTR_MAX			(__L2TP_ATTR_MAX - 1)
88enum {
89	L2TP_ATTR_STATS_NONE,
90	L2TP_ATTR_TX_PACKETS,
91	L2TP_ATTR_TX_BYTES,
92	L2TP_ATTR_TX_ERRORS,
93	L2TP_ATTR_RX_PACKETS,
94	L2TP_ATTR_RX_BYTES,
95	L2TP_ATTR_RX_SEQ_DISCARDS,
96	L2TP_ATTR_RX_OOS_PACKETS,
97	L2TP_ATTR_RX_ERRORS,
98	L2TP_ATTR_STATS_PAD,
99	__L2TP_ATTR_STATS_MAX,
100};
101#define L2TP_ATTR_STATS_MAX		(__L2TP_ATTR_STATS_MAX - 1)
102enum l2tp_pwtype {
103	L2TP_PWTYPE_NONE = 0x0000,
104	L2TP_PWTYPE_ETH_VLAN = 0x0004,
105	L2TP_PWTYPE_ETH = 0x0005,
106	L2TP_PWTYPE_PPP = 0x0007,
107	L2TP_PWTYPE_PPP_AC = 0x0008,
108	L2TP_PWTYPE_IP = 0x000b,
109	__L2TP_PWTYPE_MAX
110};
111enum l2tp_l2spec_type {
112	L2TP_L2SPECTYPE_NONE,
113	L2TP_L2SPECTYPE_DEFAULT,
114};
115enum l2tp_encap_type {
116	L2TP_ENCAPTYPE_UDP,
117	L2TP_ENCAPTYPE_IP,
118};
119enum l2tp_seqmode {
120	L2TP_SEQ_NONE = 0,
121	L2TP_SEQ_IP = 1,
122	L2TP_SEQ_ALL = 2,
123};
124enum l2tp_debug_flags {
125	L2TP_MSG_DEBUG		= (1 << 0),
126	L2TP_MSG_CONTROL	= (1 << 1),
127	L2TP_MSG_SEQ		= (1 << 2),
128	L2TP_MSG_DATA		= (1 << 3),
129};
130#define L2TP_GENL_NAME		"l2tp"
131#define L2TP_GENL_VERSION	0x1
132#define L2TP_GENL_MCGROUP       "l2tp"
133#endif
134