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