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 14 struct 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 }; 26 struct 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 }; 35 enum { 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) 48 enum { 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) 88 enum { 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) 102 enum 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 }; 111 enum l2tp_l2spec_type { 112 L2TP_L2SPECTYPE_NONE, 113 L2TP_L2SPECTYPE_DEFAULT, 114 }; 115 enum l2tp_encap_type { 116 L2TP_ENCAPTYPE_UDP, 117 L2TP_ENCAPTYPE_IP, 118 }; 119 enum l2tp_seqmode { 120 L2TP_SEQ_NONE = 0, 121 L2TP_SEQ_IP = 1, 122 L2TP_SEQ_ALL = 2, 123 }; 124 enum 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