xref: /freebsd/sys/compat/linuxkpi/common/include/linux/if_vlan.h (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1 /*-
2  * Copyright (c) 2010 Isilon Systems, Inc.
3  * Copyright (c) 2010 iX Systems, Inc.
4  * Copyright (c) 2010 Panasas, Inc.
5  * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice unmodified, this list of conditions, and the following
13  *    disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 #ifndef	_LINUXKPI_LINUX_IF_VLAN_H_
32 #define	_LINUXKPI_LINUX_IF_VLAN_H_
33 
34 #include <sys/types.h>
35 #include <sys/socket.h>
36 #include <net/if.h>
37 #include <net/ethernet.h>
38 #include <net/if_var.h>
39 #include <net/if_vlan_var.h>
40 #include <net/if_types.h>
41 
42 #define VLAN_N_VID	4096
43 
44 static inline int
45 is_vlan_dev(struct ifnet *ifp)
46 {
47 	return (if_gettype(ifp) == IFT_L2VLAN);
48 }
49 
50 static inline uint16_t
51 vlan_dev_vlan_id(struct ifnet *ifp)
52 {
53 	uint16_t vtag;
54 	if (VLAN_TAG(ifp, &vtag) == 0)
55 		return (vtag);
56 	return (0);
57 }
58 
59 #endif	/* _LINUXKPI_LINUX_IF_VLAN_H_ */
60