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 #ifndef _LINUXKPI_LINUX_IF_VLAN_H_
30 #define _LINUXKPI_LINUX_IF_VLAN_H_
31
32 #include <sys/types.h>
33 #include <sys/socket.h>
34 #include <net/if.h>
35 #include <net/ethernet.h>
36 #include <net/if_var.h>
37 #include <net/if_vlan_var.h>
38 #include <net/if_types.h>
39
40 #define VLAN_N_VID 4096
41
42 static inline int
is_vlan_dev(struct ifnet * ifp)43 is_vlan_dev(struct ifnet *ifp)
44 {
45 return (if_gettype(ifp) == IFT_L2VLAN);
46 }
47
48 static inline uint16_t
vlan_dev_vlan_id(struct ifnet * ifp)49 vlan_dev_vlan_id(struct ifnet *ifp)
50 {
51 uint16_t vtag;
52 if (VLAN_TAG(ifp, &vtag) == 0)
53 return (vtag);
54 return (0);
55 }
56
57 #endif /* _LINUXKPI_LINUX_IF_VLAN_H_ */
58