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linux: also import l2tp.h from kernel-5.0
The L2TP_ATTR_UDP_ZERO_CSUM6_{TX,RX} attributes are introduced by
6b649feafe10b293f4bd5a74aca95faf625ae525, which is included in
kernel-3.16. To support older kernel, let's import the header.
Fixes #12300.
This commit is contained in:
Yu Watanabe
parent
7057b6144f
commit
aa81290495
201
src/basic/linux/l2tp.h
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201
src/basic/linux/l2tp.h
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@ -0,0 +1,201 @@
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* L2TP-over-IP socket for L2TPv3.
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*
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* Author: James Chapman <jchapman@katalix.com>
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*/
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#ifndef _UAPI_LINUX_L2TP_H_
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#define _UAPI_LINUX_L2TP_H_
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#include <linux/types.h>
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#include <linux/socket.h>
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#include <linux/in.h>
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#include <linux/in6.h>
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#define IPPROTO_L2TP 115
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/**
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* struct sockaddr_l2tpip - the sockaddr structure for L2TP-over-IP sockets
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* @l2tp_family: address family number AF_L2TPIP.
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* @l2tp_addr: protocol specific address information
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* @l2tp_conn_id: connection id of tunnel
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*/
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#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
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struct sockaddr_l2tpip {
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/* The first fields must match struct sockaddr_in */
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__kernel_sa_family_t l2tp_family; /* AF_INET */
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__be16 l2tp_unused; /* INET port number (unused) */
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struct in_addr l2tp_addr; /* Internet address */
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__u32 l2tp_conn_id; /* Connection ID of tunnel */
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/* Pad to size of `struct sockaddr'. */
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unsigned char __pad[__SOCK_SIZE__ -
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sizeof(__kernel_sa_family_t) -
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sizeof(__be16) - sizeof(struct in_addr) -
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sizeof(__u32)];
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};
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/**
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* struct sockaddr_l2tpip6 - the sockaddr structure for L2TP-over-IPv6 sockets
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* @l2tp_family: address family number AF_L2TPIP.
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* @l2tp_addr: protocol specific address information
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* @l2tp_conn_id: connection id of tunnel
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*/
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struct sockaddr_l2tpip6 {
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/* The first fields must match struct sockaddr_in6 */
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__kernel_sa_family_t l2tp_family; /* AF_INET6 */
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__be16 l2tp_unused; /* INET port number (unused) */
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__be32 l2tp_flowinfo; /* IPv6 flow information */
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struct in6_addr l2tp_addr; /* IPv6 address */
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__u32 l2tp_scope_id; /* scope id (new in RFC2553) */
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__u32 l2tp_conn_id; /* Connection ID of tunnel */
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};
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/*****************************************************************************
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* NETLINK_GENERIC netlink family.
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*****************************************************************************/
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/*
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* Commands.
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* Valid TLVs of each command are:-
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* TUNNEL_CREATE - CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, udpcsum
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* TUNNEL_DELETE - CONN_ID
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* TUNNEL_MODIFY - CONN_ID, udpcsum
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* TUNNEL_GETSTATS - CONN_ID, (stats)
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* TUNNEL_GET - CONN_ID, (...)
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* SESSION_CREATE - SESSION_ID, PW_TYPE, cookie, peer_cookie, l2spec
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* SESSION_DELETE - SESSION_ID
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* SESSION_MODIFY - SESSION_ID
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* SESSION_GET - SESSION_ID, (...)
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* SESSION_GETSTATS - SESSION_ID, (stats)
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*
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*/
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enum {
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L2TP_CMD_NOOP,
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L2TP_CMD_TUNNEL_CREATE,
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L2TP_CMD_TUNNEL_DELETE,
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L2TP_CMD_TUNNEL_MODIFY,
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L2TP_CMD_TUNNEL_GET,
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L2TP_CMD_SESSION_CREATE,
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L2TP_CMD_SESSION_DELETE,
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L2TP_CMD_SESSION_MODIFY,
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L2TP_CMD_SESSION_GET,
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__L2TP_CMD_MAX,
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};
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#define L2TP_CMD_MAX (__L2TP_CMD_MAX - 1)
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/*
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* ATTR types defined for L2TP
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*/
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enum {
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L2TP_ATTR_NONE, /* no data */
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L2TP_ATTR_PW_TYPE, /* u16, enum l2tp_pwtype */
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L2TP_ATTR_ENCAP_TYPE, /* u16, enum l2tp_encap_type */
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L2TP_ATTR_OFFSET, /* u16 (not used) */
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L2TP_ATTR_DATA_SEQ, /* u16 (not used) */
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L2TP_ATTR_L2SPEC_TYPE, /* u8, enum l2tp_l2spec_type */
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L2TP_ATTR_L2SPEC_LEN, /* u8 (not used) */
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L2TP_ATTR_PROTO_VERSION, /* u8 */
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L2TP_ATTR_IFNAME, /* string */
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L2TP_ATTR_CONN_ID, /* u32 */
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L2TP_ATTR_PEER_CONN_ID, /* u32 */
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L2TP_ATTR_SESSION_ID, /* u32 */
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L2TP_ATTR_PEER_SESSION_ID, /* u32 */
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L2TP_ATTR_UDP_CSUM, /* u8 */
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L2TP_ATTR_VLAN_ID, /* u16 (not used) */
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L2TP_ATTR_COOKIE, /* 0, 4 or 8 bytes */
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L2TP_ATTR_PEER_COOKIE, /* 0, 4 or 8 bytes */
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L2TP_ATTR_DEBUG, /* u32, enum l2tp_debug_flags */
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L2TP_ATTR_RECV_SEQ, /* u8 */
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L2TP_ATTR_SEND_SEQ, /* u8 */
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L2TP_ATTR_LNS_MODE, /* u8 */
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L2TP_ATTR_USING_IPSEC, /* u8 */
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L2TP_ATTR_RECV_TIMEOUT, /* msec */
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L2TP_ATTR_FD, /* int */
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L2TP_ATTR_IP_SADDR, /* u32 */
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L2TP_ATTR_IP_DADDR, /* u32 */
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L2TP_ATTR_UDP_SPORT, /* u16 */
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L2TP_ATTR_UDP_DPORT, /* u16 */
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L2TP_ATTR_MTU, /* u16 (not used) */
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L2TP_ATTR_MRU, /* u16 (not used) */
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L2TP_ATTR_STATS, /* nested */
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L2TP_ATTR_IP6_SADDR, /* struct in6_addr */
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L2TP_ATTR_IP6_DADDR, /* struct in6_addr */
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L2TP_ATTR_UDP_ZERO_CSUM6_TX, /* flag */
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L2TP_ATTR_UDP_ZERO_CSUM6_RX, /* flag */
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L2TP_ATTR_PAD,
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__L2TP_ATTR_MAX,
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};
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#define L2TP_ATTR_MAX (__L2TP_ATTR_MAX - 1)
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/* Nested in L2TP_ATTR_STATS */
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enum {
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L2TP_ATTR_STATS_NONE, /* no data */
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L2TP_ATTR_TX_PACKETS, /* u64 */
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L2TP_ATTR_TX_BYTES, /* u64 */
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L2TP_ATTR_TX_ERRORS, /* u64 */
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L2TP_ATTR_RX_PACKETS, /* u64 */
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L2TP_ATTR_RX_BYTES, /* u64 */
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L2TP_ATTR_RX_SEQ_DISCARDS, /* u64 */
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L2TP_ATTR_RX_OOS_PACKETS, /* u64 */
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L2TP_ATTR_RX_ERRORS, /* u64 */
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L2TP_ATTR_STATS_PAD,
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__L2TP_ATTR_STATS_MAX,
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};
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#define L2TP_ATTR_STATS_MAX (__L2TP_ATTR_STATS_MAX - 1)
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enum l2tp_pwtype {
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L2TP_PWTYPE_NONE = 0x0000,
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L2TP_PWTYPE_ETH_VLAN = 0x0004,
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L2TP_PWTYPE_ETH = 0x0005,
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L2TP_PWTYPE_PPP = 0x0007,
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L2TP_PWTYPE_PPP_AC = 0x0008,
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L2TP_PWTYPE_IP = 0x000b,
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__L2TP_PWTYPE_MAX
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};
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enum l2tp_l2spec_type {
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L2TP_L2SPECTYPE_NONE,
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L2TP_L2SPECTYPE_DEFAULT,
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};
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enum l2tp_encap_type {
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L2TP_ENCAPTYPE_UDP,
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L2TP_ENCAPTYPE_IP,
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};
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/* For L2TP_ATTR_DATA_SEQ. Unused. */
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enum l2tp_seqmode {
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L2TP_SEQ_NONE = 0,
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L2TP_SEQ_IP = 1,
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L2TP_SEQ_ALL = 2,
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};
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/**
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* enum l2tp_debug_flags - debug message categories for L2TP tunnels/sessions
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*
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* @L2TP_MSG_DEBUG: verbose debug (if compiled in)
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* @L2TP_MSG_CONTROL: userspace - kernel interface
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* @L2TP_MSG_SEQ: sequence numbers
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* @L2TP_MSG_DATA: data packets
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*/
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enum l2tp_debug_flags {
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L2TP_MSG_DEBUG = (1 << 0),
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L2TP_MSG_CONTROL = (1 << 1),
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L2TP_MSG_SEQ = (1 << 2),
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L2TP_MSG_DATA = (1 << 3),
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};
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/*
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* NETLINK_GENERIC related info
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*/
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#define L2TP_GENL_NAME "l2tp"
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#define L2TP_GENL_VERSION 0x1
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#define L2TP_GENL_MCGROUP "l2tp"
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#endif /* _UAPI_LINUX_L2TP_H_ */
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@ -100,6 +100,7 @@ basic_sources = files('''
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linux/if_tunnel.h
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linux/in.h
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linux/in6.h
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linux/l2tp.h
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linux/libc-compat.h
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linux/netdevice.h
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linux/netlink.h
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