mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
bcb949b884
Complete the work started with commit
6602a4baf4 ('net: Make userland include
of netlink.h more sane').
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
165 lines
4.2 KiB
C
165 lines
4.2 KiB
C
/*
|
|
* L2TP-over-IP socket for L2TPv3.
|
|
*
|
|
* Author: James Chapman <jchapman@katalix.com>
|
|
*/
|
|
|
|
#ifndef _LINUX_L2TP_H_
|
|
#define _LINUX_L2TP_H_
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/socket.h>
|
|
#ifdef __KERNEL__
|
|
#include <linux/in.h>
|
|
#else
|
|
#include <netinet/in.h>
|
|
#endif
|
|
|
|
#define IPPROTO_L2TP 115
|
|
|
|
/**
|
|
* struct sockaddr_l2tpip - the sockaddr structure for L2TP-over-IP sockets
|
|
* @l2tp_family: address family number AF_L2TPIP.
|
|
* @l2tp_addr: protocol specific address information
|
|
* @l2tp_conn_id: connection id of tunnel
|
|
*/
|
|
#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
|
|
struct sockaddr_l2tpip {
|
|
/* The first fields must match struct sockaddr_in */
|
|
__kernel_sa_family_t l2tp_family; /* AF_INET */
|
|
__be16 l2tp_unused; /* INET port number (unused) */
|
|
struct in_addr l2tp_addr; /* Internet address */
|
|
|
|
__u32 l2tp_conn_id; /* Connection ID of tunnel */
|
|
|
|
/* Pad to size of `struct sockaddr'. */
|
|
unsigned char __pad[sizeof(struct sockaddr) -
|
|
sizeof(__kernel_sa_family_t) -
|
|
sizeof(__be16) - sizeof(struct in_addr) -
|
|
sizeof(__u32)];
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* NETLINK_GENERIC netlink family.
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Commands.
|
|
* Valid TLVs of each command are:-
|
|
* TUNNEL_CREATE - CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, udpcsum, vlanid
|
|
* 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_DELETE - SESSION_ID
|
|
* SESSION_MODIFY - SESSION_ID, data_seq
|
|
* SESSION_GET - SESSION_ID, (...)
|
|
* SESSION_GETSTATS - SESSION_ID, (stats)
|
|
*
|
|
*/
|
|
enum {
|
|
L2TP_CMD_NOOP,
|
|
L2TP_CMD_TUNNEL_CREATE,
|
|
L2TP_CMD_TUNNEL_DELETE,
|
|
L2TP_CMD_TUNNEL_MODIFY,
|
|
L2TP_CMD_TUNNEL_GET,
|
|
L2TP_CMD_SESSION_CREATE,
|
|
L2TP_CMD_SESSION_DELETE,
|
|
L2TP_CMD_SESSION_MODIFY,
|
|
L2TP_CMD_SESSION_GET,
|
|
__L2TP_CMD_MAX,
|
|
};
|
|
|
|
#define L2TP_CMD_MAX (__L2TP_CMD_MAX - 1)
|
|
|
|
/*
|
|
* ATTR types defined for L2TP
|
|
*/
|
|
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_L2SPEC_TYPE, /* u8, enum l2tp_l2spec_type */
|
|
L2TP_ATTR_L2SPEC_LEN, /* u8, enum l2tp_l2spec_type */
|
|
L2TP_ATTR_PROTO_VERSION, /* u8 */
|
|
L2TP_ATTR_IFNAME, /* string */
|
|
L2TP_ATTR_CONN_ID, /* u32 */
|
|
L2TP_ATTR_PEER_CONN_ID, /* u32 */
|
|
L2TP_ATTR_SESSION_ID, /* u32 */
|
|
L2TP_ATTR_PEER_SESSION_ID, /* u32 */
|
|
L2TP_ATTR_UDP_CSUM, /* u8 */
|
|
L2TP_ATTR_VLAN_ID, /* u16 */
|
|
L2TP_ATTR_COOKIE, /* 0, 4 or 8 bytes */
|
|
L2TP_ATTR_PEER_COOKIE, /* 0, 4 or 8 bytes */
|
|
L2TP_ATTR_DEBUG, /* u32 */
|
|
L2TP_ATTR_RECV_SEQ, /* u8 */
|
|
L2TP_ATTR_SEND_SEQ, /* u8 */
|
|
L2TP_ATTR_LNS_MODE, /* u8 */
|
|
L2TP_ATTR_USING_IPSEC, /* u8 */
|
|
L2TP_ATTR_RECV_TIMEOUT, /* msec */
|
|
L2TP_ATTR_FD, /* int */
|
|
L2TP_ATTR_IP_SADDR, /* u32 */
|
|
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_STATS, /* nested */
|
|
__L2TP_ATTR_MAX,
|
|
};
|
|
|
|
#define L2TP_ATTR_MAX (__L2TP_ATTR_MAX - 1)
|
|
|
|
/* Nested in L2TP_ATTR_STATS */
|
|
enum {
|
|
L2TP_ATTR_STATS_NONE, /* no data */
|
|
L2TP_ATTR_TX_PACKETS, /* u64 */
|
|
L2TP_ATTR_TX_BYTES, /* u64 */
|
|
L2TP_ATTR_TX_ERRORS, /* u64 */
|
|
L2TP_ATTR_RX_PACKETS, /* u64 */
|
|
L2TP_ATTR_RX_BYTES, /* u64 */
|
|
L2TP_ATTR_RX_SEQ_DISCARDS, /* u64 */
|
|
L2TP_ATTR_RX_OOS_PACKETS, /* u64 */
|
|
L2TP_ATTR_RX_ERRORS, /* u64 */
|
|
__L2TP_ATTR_STATS_MAX,
|
|
};
|
|
|
|
#define L2TP_ATTR_STATS_MAX (__L2TP_ATTR_STATS_MAX - 1)
|
|
|
|
enum l2tp_pwtype {
|
|
L2TP_PWTYPE_NONE = 0x0000,
|
|
L2TP_PWTYPE_ETH_VLAN = 0x0004,
|
|
L2TP_PWTYPE_ETH = 0x0005,
|
|
L2TP_PWTYPE_PPP = 0x0007,
|
|
L2TP_PWTYPE_PPP_AC = 0x0008,
|
|
L2TP_PWTYPE_IP = 0x000b,
|
|
__L2TP_PWTYPE_MAX
|
|
};
|
|
|
|
enum l2tp_l2spec_type {
|
|
L2TP_L2SPECTYPE_NONE,
|
|
L2TP_L2SPECTYPE_DEFAULT,
|
|
};
|
|
|
|
enum l2tp_encap_type {
|
|
L2TP_ENCAPTYPE_UDP,
|
|
L2TP_ENCAPTYPE_IP,
|
|
};
|
|
|
|
enum l2tp_seqmode {
|
|
L2TP_SEQ_NONE = 0,
|
|
L2TP_SEQ_IP = 1,
|
|
L2TP_SEQ_ALL = 2,
|
|
};
|
|
|
|
/*
|
|
* NETLINK_GENERIC related info
|
|
*/
|
|
#define L2TP_GENL_NAME "l2tp"
|
|
#define L2TP_GENL_VERSION 0x1
|
|
|
|
#endif
|