diff options
Diffstat (limited to 'include/uapi/linux/l2tp.h')
| -rw-r--r-- | include/uapi/linux/l2tp.h | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/include/uapi/linux/l2tp.h b/include/uapi/linux/l2tp.h index 8adb68160327..7d81c3e1ec29 100644 --- a/include/uapi/linux/l2tp.h +++ b/include/uapi/linux/l2tp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * L2TP-over-IP socket for L2TPv3. * @@ -9,11 +10,8 @@ #include <linux/types.h> #include <linux/socket.h> -#ifndef __KERNEL__ -#include <netinet/in.h> -#endif - -#define IPPROTO_L2TP 115 +#include <linux/in.h> +#include <linux/in6.h> /** * struct sockaddr_l2tpip - the sockaddr structure for L2TP-over-IP sockets @@ -31,7 +29,7 @@ struct sockaddr_l2tpip { __u32 l2tp_conn_id; /* Connection ID of tunnel */ /* Pad to size of `struct sockaddr'. */ - unsigned char __pad[sizeof(struct sockaddr) - + unsigned char __pad[__SOCK_SIZE__ - sizeof(__kernel_sa_family_t) - sizeof(__be16) - sizeof(struct in_addr) - sizeof(__u32)]; @@ -60,14 +58,14 @@ struct sockaddr_l2tpip6 { /* * Commands. * Valid TLVs of each command are:- - * TUNNEL_CREATE - CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, udpcsum, vlanid + * TUNNEL_CREATE - CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, udpcsum * TUNNEL_DELETE - CONN_ID * TUNNEL_MODIFY - CONN_ID, udpcsum * TUNNEL_GETSTATS - CONN_ID, (stats) * TUNNEL_GET - CONN_ID, (...) - * SESSION_CREATE - SESSION_ID, PW_TYPE, offset, data_seq, cookie, peer_cookie, offset, l2spec + * SESSION_CREATE - SESSION_ID, PW_TYPE, cookie, peer_cookie, l2spec * SESSION_DELETE - SESSION_ID - * SESSION_MODIFY - SESSION_ID, data_seq + * SESSION_MODIFY - SESSION_ID * SESSION_GET - SESSION_ID, (...) * SESSION_GETSTATS - SESSION_ID, (stats) * @@ -94,10 +92,10 @@ enum { L2TP_ATTR_NONE, /* no data */ L2TP_ATTR_PW_TYPE, /* u16, enum l2tp_pwtype */ L2TP_ATTR_ENCAP_TYPE, /* u16, enum l2tp_encap_type */ - L2TP_ATTR_OFFSET, /* u16 */ - L2TP_ATTR_DATA_SEQ, /* u16 */ + L2TP_ATTR_OFFSET, /* u16 (not used) */ + L2TP_ATTR_DATA_SEQ, /* u16 (not used) */ L2TP_ATTR_L2SPEC_TYPE, /* u8, enum l2tp_l2spec_type */ - L2TP_ATTR_L2SPEC_LEN, /* u8, enum l2tp_l2spec_type */ + L2TP_ATTR_L2SPEC_LEN, /* u8 (not used) */ L2TP_ATTR_PROTO_VERSION, /* u8 */ L2TP_ATTR_IFNAME, /* string */ L2TP_ATTR_CONN_ID, /* u32 */ @@ -105,10 +103,10 @@ enum { L2TP_ATTR_SESSION_ID, /* u32 */ L2TP_ATTR_PEER_SESSION_ID, /* u32 */ L2TP_ATTR_UDP_CSUM, /* u8 */ - L2TP_ATTR_VLAN_ID, /* u16 */ + L2TP_ATTR_VLAN_ID, /* u16 (not used) */ L2TP_ATTR_COOKIE, /* 0, 4 or 8 bytes */ L2TP_ATTR_PEER_COOKIE, /* 0, 4 or 8 bytes */ - L2TP_ATTR_DEBUG, /* u32 */ + L2TP_ATTR_DEBUG, /* u32, enum l2tp_debug_flags (not used) */ L2TP_ATTR_RECV_SEQ, /* u8 */ L2TP_ATTR_SEND_SEQ, /* u8 */ L2TP_ATTR_LNS_MODE, /* u8 */ @@ -119,11 +117,14 @@ enum { L2TP_ATTR_IP_DADDR, /* u32 */ L2TP_ATTR_UDP_SPORT, /* u16 */ L2TP_ATTR_UDP_DPORT, /* u16 */ - L2TP_ATTR_MTU, /* u16 */ - L2TP_ATTR_MRU, /* u16 */ + L2TP_ATTR_MTU, /* u16 (not used) */ + L2TP_ATTR_MRU, /* u16 (not used) */ L2TP_ATTR_STATS, /* nested */ L2TP_ATTR_IP6_SADDR, /* struct in6_addr */ L2TP_ATTR_IP6_DADDR, /* struct in6_addr */ + L2TP_ATTR_UDP_ZERO_CSUM6_TX, /* flag */ + L2TP_ATTR_UDP_ZERO_CSUM6_RX, /* flag */ + L2TP_ATTR_PAD, __L2TP_ATTR_MAX, }; @@ -140,6 +141,9 @@ enum { L2TP_ATTR_RX_SEQ_DISCARDS, /* u64 */ L2TP_ATTR_RX_OOS_PACKETS, /* u64 */ L2TP_ATTR_RX_ERRORS, /* u64 */ + L2TP_ATTR_STATS_PAD, + L2TP_ATTR_RX_COOKIE_DISCARDS, /* u64 */ + L2TP_ATTR_RX_INVALID, /* u64 */ __L2TP_ATTR_STATS_MAX, }; @@ -165,16 +169,35 @@ enum l2tp_encap_type { L2TP_ENCAPTYPE_IP, }; +/* For L2TP_ATTR_DATA_SEQ. Unused. */ enum l2tp_seqmode { L2TP_SEQ_NONE = 0, L2TP_SEQ_IP = 1, L2TP_SEQ_ALL = 2, }; +/** + * enum l2tp_debug_flags - debug message categories for L2TP tunnels/sessions. + * + * Unused. + * + * @L2TP_MSG_DEBUG: verbose debug (if compiled in) + * @L2TP_MSG_CONTROL: userspace - kernel interface + * @L2TP_MSG_SEQ: sequence numbers + * @L2TP_MSG_DATA: data packets + */ +enum l2tp_debug_flags { + L2TP_MSG_DEBUG = (1 << 0), + L2TP_MSG_CONTROL = (1 << 1), + L2TP_MSG_SEQ = (1 << 2), + L2TP_MSG_DATA = (1 << 3), +}; + /* * NETLINK_GENERIC related info */ #define L2TP_GENL_NAME "l2tp" #define L2TP_GENL_VERSION 0x1 +#define L2TP_GENL_MCGROUP "l2tp" #endif /* _UAPI_LINUX_L2TP_H_ */ |