2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013, 2014 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.
29 #ifndef _LINUX_NETDEVICE_H_
30 #define _LINUX_NETDEVICE_H_
32 #include <linux/types.h>
34 #include <sys/socket.h>
36 #include <net/if_types.h>
38 #include <net/if_var.h>
39 #include <net/if_dl.h>
41 #include <linux/completion.h>
42 #include <linux/device.h>
43 #include <linux/ethtool.h>
44 #include <linux/workqueue.h>
45 #include <linux/net.h>
46 #include <linux/notifier.h>
51 extern struct net init_net;
53 #define MAX_ADDR_LEN 20
55 #define net_device ifnet
57 #define dev_get_by_index(n, idx) ifnet_byindex_ref((idx))
58 #define dev_hold(d) if_ref((d))
59 #define dev_put(d) if_rele((d))
61 #define netif_running(dev) !!((dev)->if_drv_flags & IFF_DRV_RUNNING)
62 #define netif_oper_up(dev) !!((dev)->if_flags & IFF_UP)
63 #define netif_carrier_ok(dev) netif_running(dev)
66 netdev_priv(const struct net_device *dev)
68 return (dev->if_softc);
72 _handle_ifnet_link_event(void *arg, struct ifnet *ifp, int linkstate)
74 struct notifier_block *nb;
77 if (linkstate == LINK_STATE_UP)
78 nb->notifier_call(nb, NETDEV_UP, ifp);
80 nb->notifier_call(nb, NETDEV_DOWN, ifp);
84 _handle_ifnet_arrival_event(void *arg, struct ifnet *ifp)
86 struct notifier_block *nb;
89 nb->notifier_call(nb, NETDEV_REGISTER, ifp);
93 _handle_ifnet_departure_event(void *arg, struct ifnet *ifp)
95 struct notifier_block *nb;
98 nb->notifier_call(nb, NETDEV_UNREGISTER, ifp);
102 _handle_iflladdr_event(void *arg, struct ifnet *ifp)
104 struct notifier_block *nb;
107 nb->notifier_call(nb, NETDEV_CHANGEADDR, ifp);
111 _handle_ifaddr_event(void *arg, struct ifnet *ifp)
113 struct notifier_block *nb;
116 nb->notifier_call(nb, NETDEV_CHANGEIFADDR, ifp);
120 register_netdevice_notifier(struct notifier_block *nb)
123 nb->tags[NETDEV_UP] = EVENTHANDLER_REGISTER(
124 ifnet_link_event, _handle_ifnet_link_event, nb, 0);
125 nb->tags[NETDEV_REGISTER] = EVENTHANDLER_REGISTER(
126 ifnet_arrival_event, _handle_ifnet_arrival_event, nb, 0);
127 nb->tags[NETDEV_UNREGISTER] = EVENTHANDLER_REGISTER(
128 ifnet_departure_event, _handle_ifnet_departure_event, nb, 0);
129 nb->tags[NETDEV_CHANGEADDR] = EVENTHANDLER_REGISTER(
130 iflladdr_event, _handle_iflladdr_event, nb, 0);
136 register_inetaddr_notifier(struct notifier_block *nb)
139 nb->tags[NETDEV_CHANGEIFADDR] = EVENTHANDLER_REGISTER(
140 ifaddr_event, _handle_ifaddr_event, nb, 0);
145 unregister_netdevice_notifier(struct notifier_block *nb)
148 EVENTHANDLER_DEREGISTER(ifnet_link_event, nb->tags[NETDEV_UP]);
149 EVENTHANDLER_DEREGISTER(ifnet_arrival_event, nb->tags[NETDEV_REGISTER]);
150 EVENTHANDLER_DEREGISTER(ifnet_departure_event,
151 nb->tags[NETDEV_UNREGISTER]);
152 EVENTHANDLER_DEREGISTER(iflladdr_event,
153 nb->tags[NETDEV_CHANGEADDR]);
159 unregister_inetaddr_notifier(struct notifier_block *nb)
162 EVENTHANDLER_DEREGISTER(ifaddr_event,
163 nb->tags[NETDEV_CHANGEIFADDR]);
170 #define rtnl_unlock()
173 dev_mc_delete(struct net_device *dev, void *addr, int alen, int all)
175 struct sockaddr_dl sdl;
177 if (alen > sizeof(sdl.sdl_data))
179 memset(&sdl, 0, sizeof(sdl));
180 sdl.sdl_len = sizeof(sdl);
181 sdl.sdl_family = AF_LINK;
183 memcpy(&sdl.sdl_data, addr, alen);
185 return -if_delmulti(dev, (struct sockaddr *)&sdl);
189 dev_mc_add(struct net_device *dev, void *addr, int alen, int newonly)
191 struct sockaddr_dl sdl;
193 if (alen > sizeof(sdl.sdl_data))
195 memset(&sdl, 0, sizeof(sdl));
196 sdl.sdl_len = sizeof(sdl);
197 sdl.sdl_family = AF_LINK;
199 memcpy(&sdl.sdl_data, addr, alen);
201 return -if_addmulti(dev, (struct sockaddr *)&sdl, NULL);
204 #endif /* _LINUX_NETDEVICE_H_ */