1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013-2019 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_NETDEVICE_H_ 32 #define _LINUX_NETDEVICE_H_ 33 34 #include <linux/types.h> 35 36 #include <sys/socket.h> 37 38 #include <net/if_types.h> 39 #include <net/if.h> 40 #include <net/if_var.h> 41 #include <net/if_dl.h> 42 43 #include <linux/list.h> 44 #include <linux/completion.h> 45 #include <linux/device.h> 46 #include <linux/workqueue.h> 47 #include <linux/net.h> 48 #include <linux/notifier.h> 49 50 #ifdef VIMAGE 51 #define init_net *vnet0 52 #else 53 #define init_net *((struct vnet *)0) 54 #endif 55 56 #define MAX_ADDR_LEN 20 57 58 #define net_device ifnet 59 60 static inline struct ifnet * 61 dev_get_by_index(struct vnet *vnet, int if_index) 62 { 63 struct epoch_tracker et; 64 struct ifnet *retval; 65 66 NET_EPOCH_ENTER(et); 67 CURVNET_SET(vnet); 68 retval = ifnet_byindex_ref(if_index); 69 CURVNET_RESTORE(); 70 NET_EPOCH_EXIT(et); 71 72 return (retval); 73 } 74 75 #define dev_hold(d) if_ref(d) 76 #define dev_put(d) if_rele(d) 77 #define dev_net(d) ((d)->if_vnet) 78 79 #define net_eq(a,b) ((a) == (b)) 80 81 #define netif_running(dev) !!((dev)->if_drv_flags & IFF_DRV_RUNNING) 82 #define netif_oper_up(dev) !!((dev)->if_flags & IFF_UP) 83 #define netif_carrier_ok(dev) ((dev)->if_link_state == LINK_STATE_UP) 84 85 static inline void * 86 netdev_priv(const struct net_device *dev) 87 { 88 return (dev->if_softc); 89 } 90 91 static inline struct net_device * 92 netdev_notifier_info_to_dev(void *ifp) 93 { 94 return (ifp); 95 } 96 97 int register_netdevice_notifier(struct notifier_block *); 98 int register_inetaddr_notifier(struct notifier_block *); 99 int unregister_netdevice_notifier(struct notifier_block *); 100 int unregister_inetaddr_notifier(struct notifier_block *); 101 102 #define rtnl_lock() 103 #define rtnl_unlock() 104 105 static inline int 106 dev_mc_delete(struct net_device *dev, void *addr, int alen, int all) 107 { 108 struct sockaddr_dl sdl; 109 110 if (alen > sizeof(sdl.sdl_data)) 111 return (-EINVAL); 112 memset(&sdl, 0, sizeof(sdl)); 113 sdl.sdl_len = sizeof(sdl); 114 sdl.sdl_family = AF_LINK; 115 sdl.sdl_alen = alen; 116 memcpy(&sdl.sdl_data, addr, alen); 117 118 return -if_delmulti(dev, (struct sockaddr *)&sdl); 119 } 120 121 static inline int 122 dev_mc_del(struct net_device *dev, void *addr) 123 { 124 return (dev_mc_delete(dev, addr, 6, 0)); 125 } 126 127 static inline int 128 dev_mc_add(struct net_device *dev, void *addr, int alen, int newonly) 129 { 130 struct sockaddr_dl sdl; 131 132 if (alen > sizeof(sdl.sdl_data)) 133 return (-EINVAL); 134 memset(&sdl, 0, sizeof(sdl)); 135 sdl.sdl_len = sizeof(sdl); 136 sdl.sdl_family = AF_LINK; 137 sdl.sdl_alen = alen; 138 memcpy(&sdl.sdl_data, addr, alen); 139 140 return -if_addmulti(dev, (struct sockaddr *)&sdl, NULL); 141 } 142 143 #endif /* _LINUX_NETDEVICE_H_ */ 144