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 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
30 #ifndef _LINUX_INETDEVICE_H_
31 #define _LINUX_INETDEVICE_H_
32
33 #include <linux/netdevice.h>
34
35 static inline struct net_device *
ip_dev_find(struct net * net,uint32_t addr)36 ip_dev_find(struct net *net, uint32_t addr)
37 {
38 struct sockaddr_in sin;
39 struct ifaddr *ifa;
40 struct ifnet *ifp;
41
42 ifp = NULL;
43 memset(&sin, 0, sizeof(sin));
44 sin.sin_addr.s_addr = addr;
45 sin.sin_port = 0;
46 sin.sin_len = sizeof(sin);
47 sin.sin_family = AF_INET;
48 ifa = ifa_ifwithaddr((struct sockaddr *)&sin);
49 if (ifa) {
50 ifp = ifa->ifa_ifp;
51 if_ref(ifp);
52 ifa_free(ifa);
53 }
54 return (ifp);
55 }
56
57 #endif /* _LINUX_INETDEVICE_H_ */
58