inetdevice.h revision 271127 
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
35static inline struct net_device *
36ip_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