xref: /freebsd/sys/netlink/netlink_linux.h (revision 7e5bf68495cc0a8c9793a338a8a02009a7f6dbb6)
1*7e5bf684SAlexander V. Chernikov /*-
2*7e5bf684SAlexander V. Chernikov  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3*7e5bf684SAlexander V. Chernikov  *
4*7e5bf684SAlexander V. Chernikov  * Copyright (c) 2022 Alexander V. Chernikov <melifaro@FreeBSD.org>
5*7e5bf684SAlexander V. Chernikov  *
6*7e5bf684SAlexander V. Chernikov  * Redistribution and use in source and binary forms, with or without
7*7e5bf684SAlexander V. Chernikov  * modification, are permitted provided that the following conditions
8*7e5bf684SAlexander V. Chernikov  * are met:
9*7e5bf684SAlexander V. Chernikov  * 1. Redistributions of source code must retain the above copyright
10*7e5bf684SAlexander V. Chernikov  *    notice, this list of conditions and the following disclaimer.
11*7e5bf684SAlexander V. Chernikov  * 2. Redistributions in binary form must reproduce the above copyright
12*7e5bf684SAlexander V. Chernikov  *    notice, this list of conditions and the following disclaimer in the
13*7e5bf684SAlexander V. Chernikov  *    documentation and/or other materials provided with the distribution.
14*7e5bf684SAlexander V. Chernikov  *
15*7e5bf684SAlexander V. Chernikov  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16*7e5bf684SAlexander V. Chernikov  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*7e5bf684SAlexander V. Chernikov  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*7e5bf684SAlexander V. Chernikov  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*7e5bf684SAlexander V. Chernikov  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*7e5bf684SAlexander V. Chernikov  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21*7e5bf684SAlexander V. Chernikov  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*7e5bf684SAlexander V. Chernikov  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*7e5bf684SAlexander V. Chernikov  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*7e5bf684SAlexander V. Chernikov  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*7e5bf684SAlexander V. Chernikov  * SUCH DAMAGE.
26*7e5bf684SAlexander V. Chernikov  */
27*7e5bf684SAlexander V. Chernikov 
28*7e5bf684SAlexander V. Chernikov #ifndef _NETLINK_LINUX_VAR_H_
29*7e5bf684SAlexander V. Chernikov #define _NETLINK_LINUX_VAR_H_
30*7e5bf684SAlexander V. Chernikov 
31*7e5bf684SAlexander V. Chernikov /*
32*7e5bf684SAlexander V. Chernikov  * The file contains headers for the bridge interface between
33*7e5bf684SAlexander V. Chernikov  * linux[_common] module and the netlink module
34*7e5bf684SAlexander V. Chernikov  */
35*7e5bf684SAlexander V. Chernikov struct nlpcb;
36*7e5bf684SAlexander V. Chernikov struct nl_pstate;
37*7e5bf684SAlexander V. Chernikov 
38*7e5bf684SAlexander V. Chernikov typedef struct mbuf *mbufs_to_linux_cb_t(int netlink_family, struct mbuf *m,
39*7e5bf684SAlexander V. Chernikov     struct nlpcb *nlp);
40*7e5bf684SAlexander V. Chernikov typedef struct mbuf *msgs_to_linux_cb_t(int netlink_family, char *buf, int data_length,
41*7e5bf684SAlexander V. Chernikov     struct nlpcb *nlp);
42*7e5bf684SAlexander V. Chernikov typedef struct nlmsghdr *msg_from_linux_cb_t(int netlink_family, struct nlmsghdr *hdr,
43*7e5bf684SAlexander V. Chernikov     struct nl_pstate *npt);
44*7e5bf684SAlexander V. Chernikov 
45*7e5bf684SAlexander V. Chernikov struct linux_netlink_provider {
46*7e5bf684SAlexander V. Chernikov 	mbufs_to_linux_cb_t	*mbufs_to_linux;
47*7e5bf684SAlexander V. Chernikov 	msgs_to_linux_cb_t	*msgs_to_linux;
48*7e5bf684SAlexander V. Chernikov 	msg_from_linux_cb_t	*msg_from_linux;
49*7e5bf684SAlexander V. Chernikov 
50*7e5bf684SAlexander V. Chernikov };
51*7e5bf684SAlexander V. Chernikov 
52*7e5bf684SAlexander V. Chernikov extern struct linux_netlink_provider *linux_netlink_p;
53*7e5bf684SAlexander V. Chernikov 
54*7e5bf684SAlexander V. Chernikov #endif
55