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-rw-r--r--include/linux/l2tp.h172
1 files changed, 1 insertions, 171 deletions
diff --git a/include/linux/l2tp.h b/include/linux/l2tp.h
index 7eab668f60f3..bffdb962f1a6 100644
--- a/include/linux/l2tp.h
+++ b/include/linux/l2tp.h
@@ -3,181 +3,11 @@
3 * 3 *
4 * Author: James Chapman <jchapman@katalix.com> 4 * Author: James Chapman <jchapman@katalix.com>
5 */ 5 */
6
7#ifndef _LINUX_L2TP_H_ 6#ifndef _LINUX_L2TP_H_
8#define _LINUX_L2TP_H_ 7#define _LINUX_L2TP_H_
9 8
10#include <linux/types.h>
11#include <linux/socket.h>
12#ifdef __KERNEL__
13#include <linux/in.h> 9#include <linux/in.h>
14#include <linux/in6.h> 10#include <linux/in6.h>
15#else 11#include <uapi/linux/l2tp.h>
16#include <netinet/in.h>
17#endif
18
19#define IPPROTO_L2TP 115
20
21/**
22 * struct sockaddr_l2tpip - the sockaddr structure for L2TP-over-IP sockets
23 * @l2tp_family: address family number AF_L2TPIP.
24 * @l2tp_addr: protocol specific address information
25 * @l2tp_conn_id: connection id of tunnel
26 */
27#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
28struct sockaddr_l2tpip {
29 /* The first fields must match struct sockaddr_in */
30 __kernel_sa_family_t l2tp_family; /* AF_INET */
31 __be16 l2tp_unused; /* INET port number (unused) */
32 struct in_addr l2tp_addr; /* Internet address */
33
34 __u32 l2tp_conn_id; /* Connection ID of tunnel */
35
36 /* Pad to size of `struct sockaddr'. */
37 unsigned char __pad[sizeof(struct sockaddr) -
38 sizeof(__kernel_sa_family_t) -
39 sizeof(__be16) - sizeof(struct in_addr) -
40 sizeof(__u32)];
41};
42
43/**
44 * struct sockaddr_l2tpip6 - the sockaddr structure for L2TP-over-IPv6 sockets
45 * @l2tp_family: address family number AF_L2TPIP.
46 * @l2tp_addr: protocol specific address information
47 * @l2tp_conn_id: connection id of tunnel
48 */
49struct sockaddr_l2tpip6 {
50 /* The first fields must match struct sockaddr_in6 */
51 __kernel_sa_family_t l2tp_family; /* AF_INET6 */
52 __be16 l2tp_unused; /* INET port number (unused) */
53 __be32 l2tp_flowinfo; /* IPv6 flow information */
54 struct in6_addr l2tp_addr; /* IPv6 address */
55 __u32 l2tp_scope_id; /* scope id (new in RFC2553) */
56 __u32 l2tp_conn_id; /* Connection ID of tunnel */
57};
58
59/*****************************************************************************
60 * NETLINK_GENERIC netlink family.
61 *****************************************************************************/
62
63/*
64 * Commands.
65 * Valid TLVs of each command are:-
66 * TUNNEL_CREATE - CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, udpcsum, vlanid
67 * TUNNEL_DELETE - CONN_ID
68 * TUNNEL_MODIFY - CONN_ID, udpcsum
69 * TUNNEL_GETSTATS - CONN_ID, (stats)
70 * TUNNEL_GET - CONN_ID, (...)
71 * SESSION_CREATE - SESSION_ID, PW_TYPE, offset, data_seq, cookie, peer_cookie, offset, l2spec
72 * SESSION_DELETE - SESSION_ID
73 * SESSION_MODIFY - SESSION_ID, data_seq
74 * SESSION_GET - SESSION_ID, (...)
75 * SESSION_GETSTATS - SESSION_ID, (stats)
76 *
77 */
78enum {
79 L2TP_CMD_NOOP,
80 L2TP_CMD_TUNNEL_CREATE,
81 L2TP_CMD_TUNNEL_DELETE,
82 L2TP_CMD_TUNNEL_MODIFY,
83 L2TP_CMD_TUNNEL_GET,
84 L2TP_CMD_SESSION_CREATE,
85 L2TP_CMD_SESSION_DELETE,
86 L2TP_CMD_SESSION_MODIFY,
87 L2TP_CMD_SESSION_GET,
88 __L2TP_CMD_MAX,
89};
90
91#define L2TP_CMD_MAX (__L2TP_CMD_MAX - 1)
92
93/*
94 * ATTR types defined for L2TP
95 */
96enum {
97 L2TP_ATTR_NONE, /* no data */
98 L2TP_ATTR_PW_TYPE, /* u16, enum l2tp_pwtype */
99 L2TP_ATTR_ENCAP_TYPE, /* u16, enum l2tp_encap_type */
100 L2TP_ATTR_OFFSET, /* u16 */
101 L2TP_ATTR_DATA_SEQ, /* u16 */
102 L2TP_ATTR_L2SPEC_TYPE, /* u8, enum l2tp_l2spec_type */
103 L2TP_ATTR_L2SPEC_LEN, /* u8, enum l2tp_l2spec_type */
104 L2TP_ATTR_PROTO_VERSION, /* u8 */
105 L2TP_ATTR_IFNAME, /* string */
106 L2TP_ATTR_CONN_ID, /* u32 */
107 L2TP_ATTR_PEER_CONN_ID, /* u32 */
108 L2TP_ATTR_SESSION_ID, /* u32 */
109 L2TP_ATTR_PEER_SESSION_ID, /* u32 */
110 L2TP_ATTR_UDP_CSUM, /* u8 */
111 L2TP_ATTR_VLAN_ID, /* u16 */
112 L2TP_ATTR_COOKIE, /* 0, 4 or 8 bytes */
113 L2TP_ATTR_PEER_COOKIE, /* 0, 4 or 8 bytes */
114 L2TP_ATTR_DEBUG, /* u32 */
115 L2TP_ATTR_RECV_SEQ, /* u8 */
116 L2TP_ATTR_SEND_SEQ, /* u8 */
117 L2TP_ATTR_LNS_MODE, /* u8 */
118 L2TP_ATTR_USING_IPSEC, /* u8 */
119 L2TP_ATTR_RECV_TIMEOUT, /* msec */
120 L2TP_ATTR_FD, /* int */
121 L2TP_ATTR_IP_SADDR, /* u32 */
122 L2TP_ATTR_IP_DADDR, /* u32 */
123 L2TP_ATTR_UDP_SPORT, /* u16 */
124 L2TP_ATTR_UDP_DPORT, /* u16 */
125 L2TP_ATTR_MTU, /* u16 */
126 L2TP_ATTR_MRU, /* u16 */
127 L2TP_ATTR_STATS, /* nested */
128 L2TP_ATTR_IP6_SADDR, /* struct in6_addr */
129 L2TP_ATTR_IP6_DADDR, /* struct in6_addr */
130 __L2TP_ATTR_MAX,
131};
132
133#define L2TP_ATTR_MAX (__L2TP_ATTR_MAX - 1)
134
135/* Nested in L2TP_ATTR_STATS */
136enum {
137 L2TP_ATTR_STATS_NONE, /* no data */
138 L2TP_ATTR_TX_PACKETS, /* u64 */
139 L2TP_ATTR_TX_BYTES, /* u64 */
140 L2TP_ATTR_TX_ERRORS, /* u64 */
141 L2TP_ATTR_RX_PACKETS, /* u64 */
142 L2TP_ATTR_RX_BYTES, /* u64 */
143 L2TP_ATTR_RX_SEQ_DISCARDS, /* u64 */
144 L2TP_ATTR_RX_OOS_PACKETS, /* u64 */
145 L2TP_ATTR_RX_ERRORS, /* u64 */
146 __L2TP_ATTR_STATS_MAX,
147};
148
149#define L2TP_ATTR_STATS_MAX (__L2TP_ATTR_STATS_MAX - 1)
150
151enum l2tp_pwtype {
152 L2TP_PWTYPE_NONE = 0x0000,
153 L2TP_PWTYPE_ETH_VLAN = 0x0004,
154 L2TP_PWTYPE_ETH = 0x0005,
155 L2TP_PWTYPE_PPP = 0x0007,
156 L2TP_PWTYPE_PPP_AC = 0x0008,
157 L2TP_PWTYPE_IP = 0x000b,
158 __L2TP_PWTYPE_MAX
159};
160
161enum l2tp_l2spec_type {
162 L2TP_L2SPECTYPE_NONE,
163 L2TP_L2SPECTYPE_DEFAULT,
164};
165
166enum l2tp_encap_type {
167 L2TP_ENCAPTYPE_UDP,
168 L2TP_ENCAPTYPE_IP,
169};
170
171enum l2tp_seqmode {
172 L2TP_SEQ_NONE = 0,
173 L2TP_SEQ_IP = 1,
174 L2TP_SEQ_ALL = 2,
175};
176
177/*
178 * NETLINK_GENERIC related info
179 */
180#define L2TP_GENL_NAME "l2tp"
181#define L2TP_GENL_VERSION 0x1
182 12
183#endif 13#endif
generated by cgit v1.2.2 (git 2.25.0) at 2026-05-12 04:46:00 -0400