1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013-2017 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 _LINUX_INETDEVICE_H_ 32 #define _LINUX_INETDEVICE_H_ 33 34 #include <linux/netdevice.h> 35 36 static inline struct net_device * 37 ip_dev_find(struct vnet *vnet, uint32_t addr) 38 { 39 struct sockaddr_in sin; 40 struct ifaddr *ifa; 41 struct ifnet *ifp; 42 43 memset(&sin, 0, sizeof(sin)); 44 sin.sin_addr.s_addr = addr; 45 sin.sin_len = sizeof(sin); 46 sin.sin_family = AF_INET; 47 CURVNET_SET_QUIET(vnet); 48 ifa = ifa_ifwithaddr((struct sockaddr *)&sin); 49 CURVNET_RESTORE(); 50 if (ifa) { 51 ifp = ifa->ifa_ifp; 52 if_ref(ifp); 53 ifa_free(ifa); 54 } else { 55 ifp = NULL; 56 } 57 return (ifp); 58 } 59 60 static inline struct net_device * 61 ip6_dev_find(struct vnet *vnet, struct in6_addr addr) 62 { 63 struct sockaddr_in6 sin6; 64 struct ifaddr *ifa; 65 struct ifnet *ifp; 66 67 memset(&sin6, 0, sizeof(sin6)); 68 sin6.sin6_addr = addr; 69 sin6.sin6_len = sizeof(sin6); 70 sin6.sin6_family = AF_INET6; 71 CURVNET_SET_QUIET(vnet); 72 ifa = ifa_ifwithaddr((struct sockaddr *)&sin6); 73 CURVNET_RESTORE(); 74 if (ifa) { 75 ifp = ifa->ifa_ifp; 76 if_ref(ifp); 77 ifa_free(ifa); 78 } else { 79 ifp = NULL; 80 } 81 return (ifp); 82 } 83 84 #endif /* _LINUX_INETDEVICE_H_ */ 85