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glibc  2.9
netlinkaccess.h
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00001 /* Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef _NETLINKACCESS_H
00020 #define _NETLINKACCESS_H 1
00021 
00022 #include <asm/types.h>
00023 #include <linux/netlink.h>
00024 #include <linux/rtnetlink.h>
00025 
00026 #include <kernel-features.h>
00027 
00028 
00029 struct netlink_res
00030 {
00031   struct netlink_res *next;
00032   struct nlmsghdr *nlh;
00033   size_t size;                     /* Size of response.  */
00034   uint32_t seq;                    /* sequential number we used.  */
00035 };
00036 
00037 
00038 struct netlink_handle
00039 {
00040   int fd;                   /* Netlink file descriptor.  */
00041   pid_t pid;                /* Process ID.  */
00042   uint32_t seq;                    /* The sequence number we use currently.  */
00043   struct netlink_res *nlm_list;    /* Pointer to list of responses.  */
00044   struct netlink_res *end_ptr;     /* For faster append of new entries.  */
00045 };
00046 
00047 
00048 #if __ASSUME_NETLINK_SUPPORT == 0
00049 extern int __no_netlink_support attribute_hidden;
00050 #else
00051 # define __no_netlink_support 0
00052 #endif
00053 
00054 
00055 extern int __netlink_open (struct netlink_handle *h);
00056 extern void __netlink_close (struct netlink_handle *h);
00057 extern void __netlink_free_handle (struct netlink_handle *h);
00058 extern int __netlink_request (struct netlink_handle *h, int type);
00059 
00060 
00061 #endif /* netlinkaccess.h */