libc/kernel/common/linux/netlink.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef __LINUX_NETLINK_H
#define __LINUX_NETLINK_H

#include <linux/socket.h>  
#include <linux/types.h>

#define NETLINK_ROUTE 0  
#define NETLINK_UNUSED 1  
#define NETLINK_USERSOCK 2  
#define NETLINK_FIREWALL 3  
#define NETLINK_INET_DIAG 4  
#define NETLINK_NFLOG 5  
#define NETLINK_XFRM 6  
#define NETLINK_SELINUX 7  
#define NETLINK_ISCSI 8  
#define NETLINK_AUDIT 9  
#define NETLINK_FIB_LOOKUP 10 
#define NETLINK_CONNECTOR 11
#define NETLINK_NETFILTER 12  
#define NETLINK_IP6_FW 13
#define NETLINK_DNRTMSG 14  
#define NETLINK_KOBJECT_UEVENT 15  
#define NETLINK_GENERIC 16

#define MAX_LINKS 32 

struct sockaddr_nl
{
 sa_family_t nl_family;
 unsigned short nl_pad;
 __u32 nl_pid;
 __u32 nl_groups;
};

struct nlmsghdr
{
 __u32 nlmsg_len;
 __u16 nlmsg_type;
 __u16 nlmsg_flags;
 __u32 nlmsg_seq;
 __u32 nlmsg_pid;
};

#define NLM_F_REQUEST 1  
#define NLM_F_MULTI 2  
#define NLM_F_ACK 4  
#define NLM_F_ECHO 8  

#define NLM_F_ROOT 0x100  
#define NLM_F_MATCH 0x200  
#define NLM_F_ATOMIC 0x400  
#define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH)

#define NLM_F_REPLACE 0x100  
#define NLM_F_EXCL 0x200  
#define NLM_F_CREATE 0x400  
#define NLM_F_APPEND 0x800  

#define NLMSG_ALIGNTO 4
#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
#define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(NLMSG_HDRLEN))
#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
#define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0)))
#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len),   (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
#define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) &&   (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) &&   (nlh)->nlmsg_len <= (len))
#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))

#define NLMSG_NOOP 0x1  
#define NLMSG_ERROR 0x2  
#define NLMSG_DONE 0x3  
#define NLMSG_OVERRUN 0x4  

#define NLMSG_MIN_TYPE 0x10  

struct nlmsgerr
{
 int error;
 struct nlmsghdr msg;
};

#define NETLINK_ADD_MEMBERSHIP 1
#define NETLINK_DROP_MEMBERSHIP 2
#define NETLINK_PKTINFO 3

struct nl_pktinfo
{
 __u32 group;
};

#define NET_MAJOR 36  

enum {
 NETLINK_UNCONNECTED = 0,
 NETLINK_CONNECTED,
};

struct nlattr
{
 __u16 nla_len;
 __u16 nla_type;
};

#define NLA_ALIGNTO 4
#define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
#define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr)))

#endif