2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013-2017 Mellanox Technologies, Ltd.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
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.
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.
31 #ifndef _LINUX_INETDEVICE_H_
32 #define _LINUX_INETDEVICE_H_
34 #include <linux/netdevice.h>
36 static inline struct net_device *
37 ip_dev_find(struct vnet *vnet, uint32_t addr)
39 struct sockaddr_in sin;
40 struct epoch_tracker et;
44 memset(&sin, 0, sizeof(sin));
45 sin.sin_addr.s_addr = addr;
46 sin.sin_len = sizeof(sin);
47 sin.sin_family = AF_INET;
49 CURVNET_SET_QUIET(vnet);
50 ifa = ifa_ifwithaddr((struct sockaddr *)&sin);
62 static inline struct net_device *
63 ip6_dev_find(struct vnet *vnet, struct in6_addr addr, uint16_t scope_id)
65 struct sockaddr_in6 sin6;
66 struct epoch_tracker et;
70 memset(&sin6, 0, sizeof(sin6));
71 sin6.sin6_addr = addr;
72 sin6.sin6_len = sizeof(sin6);
73 sin6.sin6_family = AF_INET6;
74 if (IN6_IS_SCOPE_LINKLOCAL(&addr) ||
75 IN6_IS_ADDR_MC_INTFACELOCAL(&addr)) {
76 /* embed the IPv6 scope ID */
77 sin6.sin6_addr.s6_addr16[1] = htons(scope_id);
80 CURVNET_SET_QUIET(vnet);
81 ifa = ifa_ifwithaddr((struct sockaddr *)&sin6);
93 #endif /* _LINUX_INETDEVICE_H_ */