| /* Copyright (C) 2004-2018 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _NETLINKACCESS_H |
| #define _NETLINKACCESS_H 1 |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <asm/types.h> |
| #include <linux/netlink.h> |
| #include <linux/rtnetlink.h> |
| |
| |
| 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. */ |
| }; |
| |
| |
| extern int __netlink_open (struct netlink_handle *h) attribute_hidden; |
| extern void __netlink_close (struct netlink_handle *h) attribute_hidden; |
| extern void __netlink_free_handle (struct netlink_handle *h) |
| attribute_hidden; |
| extern int __netlink_request (struct netlink_handle *h, int type) |
| attribute_hidden; |
| |
| /* Terminate the process if RESULT is an invalid recvmsg result for |
| the netlink socket FD. */ |
| void __netlink_assert_response (int fd, ssize_t result); |
| libc_hidden_proto (__netlink_assert_response) |
| |
| #endif /* netlinkaccess.h */ |
