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/* Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _NETLINKACCESS_H
#define _NETLINKACCESS_H 1
#include <asm/types.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <kernel-features.h>
#ifndef IFA_MAX
/* 2.6.19 kernel headers helpfully removed some macros and
moved lots of stuff into new headers, some of which aren't
included by linux/rtnetlink.h. */
#include <linux/if_addr.h>
#endif
#ifndef IFA_RTA
# define IFA_RTA(r) \
((struct rtattr*) ((char*)(r) + NLMSG_ALIGN (sizeof (struct ifaddrmsg))))
# define IFA_PAYLOAD(n) NLMSG_PAYLOAD (n, sizeof (struct ifaddrmsg))
#endif
#ifndef IFLA_RTA
# define IFLA_RTA(r) \
((struct rtattr*) ((char*)(r) + NLMSG_ALIGN (sizeof (struct ifinfomsg))))
# define IFLA_PAYLOAD(n) NLMSG_PAYLOAD (n, sizeof (struct ifinfomsg))
#endif
struct netlink_res
{
struct netlink_res *next;
struct nlmsghdr *nlh;
size_t size; /* Size of response. */
uint32_t seq; /* sequential number we used. */
};
struct netlink_handle
{
int fd; /* Netlink file descriptor. */
pid_t pid; /* Process ID. */
uint32_t seq; /* The sequence number we use currently. */
struct netlink_res *nlm_list; /* Pointer to list of responses. */
struct netlink_res *end_ptr; /* For faster append of new entries. */
};
#if __ASSUME_NETLINK_SUPPORT == 0
extern int __no_netlink_support attribute_hidden;
#else
# define __no_netlink_support 0
#endif
extern int __netlink_open (struct netlink_handle *h);
extern void __netlink_close (struct netlink_handle *h);
extern void __netlink_free_handle (struct netlink_handle *h);
extern int __netlink_request (struct netlink_handle *h, int type);
#endif /* netlinkaccess.h */
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