1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef __LINUX_NETLINK_H
13#define __LINUX_NETLINK_H
14
15#include <linux/socket.h>
16#include <linux/types.h>
17
18#define NETLINK_ROUTE 0
19#define NETLINK_UNUSED 1
20#define NETLINK_USERSOCK 2
21#define NETLINK_FIREWALL 3
22#define NETLINK_INET_DIAG 4
23#define NETLINK_NFLOG 5
24#define NETLINK_XFRM 6
25#define NETLINK_SELINUX 7
26#define NETLINK_ISCSI 8
27#define NETLINK_AUDIT 9
28#define NETLINK_FIB_LOOKUP 10
29#define NETLINK_CONNECTOR 11
30#define NETLINK_NETFILTER 12
31#define NETLINK_IP6_FW 13
32#define NETLINK_DNRTMSG 14
33#define NETLINK_KOBJECT_UEVENT 15
34#define NETLINK_GENERIC 16
35
36#define MAX_LINKS 32
37
38struct sockaddr_nl
39{
40 sa_family_t nl_family;
41 unsigned short nl_pad;
42 __u32 nl_pid;
43 __u32 nl_groups;
44};
45
46struct nlmsghdr
47{
48 __u32 nlmsg_len;
49 __u16 nlmsg_type;
50 __u16 nlmsg_flags;
51 __u32 nlmsg_seq;
52 __u32 nlmsg_pid;
53};
54
55#define NLM_F_REQUEST 1
56#define NLM_F_MULTI 2
57#define NLM_F_ACK 4
58#define NLM_F_ECHO 8
59
60#define NLM_F_ROOT 0x100
61#define NLM_F_MATCH 0x200
62#define NLM_F_ATOMIC 0x400
63#define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH)
64
65#define NLM_F_REPLACE 0x100
66#define NLM_F_EXCL 0x200
67#define NLM_F_CREATE 0x400
68#define NLM_F_APPEND 0x800
69
70#define NLMSG_ALIGNTO 4
71#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
72#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
73#define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(NLMSG_HDRLEN))
74#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
75#define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0)))
76#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len),   (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
77#define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) &&   (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) &&   (nlh)->nlmsg_len <= (len))
78#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
79
80#define NLMSG_NOOP 0x1
81#define NLMSG_ERROR 0x2
82#define NLMSG_DONE 0x3
83#define NLMSG_OVERRUN 0x4
84
85#define NLMSG_MIN_TYPE 0x10
86
87struct nlmsgerr
88{
89 int error;
90 struct nlmsghdr msg;
91};
92
93#define NETLINK_ADD_MEMBERSHIP 1
94#define NETLINK_DROP_MEMBERSHIP 2
95#define NETLINK_PKTINFO 3
96
97struct nl_pktinfo
98{
99 __u32 group;
100};
101
102#define NET_MAJOR 36
103
104enum {
105 NETLINK_UNCONNECTED = 0,
106 NETLINK_CONNECTED,
107};
108
109struct nlattr
110{
111 __u16 nla_len;
112 __u16 nla_type;
113};
114
115#define NLA_ALIGNTO 4
116#define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
117#define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr)))
118
119#endif
120