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_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 *
dev_get_by_index(struct vnet * vnet,int if_index)61 dev_get_by_index(struct vnet *vnet, int if_index)
62 {
63 struct ifnet *retval;
64
65 CURVNET_SET(vnet);
66 retval = ifnet_byindex_ref(if_index);
67 CURVNET_RESTORE();
68
69 return (retval);
70 }
71
72 #define dev_hold(d) if_ref(d)
73 #define dev_put(d) if_rele(d)
74 #define dev_net(d) ((d)->if_vnet)
75
76 #define net_eq(a,b) ((a) == (b))
77
78 #define netif_running(dev) !!((dev)->if_drv_flags & IFF_DRV_RUNNING)
79 #define netif_oper_up(dev) !!((dev)->if_flags & IFF_UP)
80 #define netif_carrier_ok(dev) ((dev)->if_link_state == LINK_STATE_UP)
81
82 static inline void *
netdev_priv(const struct net_device * dev)83 netdev_priv(const struct net_device *dev)
84 {
85 return (dev->if_softc);
86 }
87
88 static inline struct net_device *
netdev_notifier_info_to_dev(void * ifp)89 netdev_notifier_info_to_dev(void *ifp)
90 {
91 return (ifp);
92 }
93
94 int register_netdevice_notifier(struct notifier_block *);
95 int register_inetaddr_notifier(struct notifier_block *);
96 int unregister_netdevice_notifier(struct notifier_block *);
97 int unregister_inetaddr_notifier(struct notifier_block *);
98
99 #define rtnl_lock()
100 #define rtnl_unlock()
101
102 static inline int
dev_mc_delete(struct net_device * dev,void * addr,int alen,int all)103 dev_mc_delete(struct net_device *dev, void *addr, int alen, int all)
104 {
105 struct sockaddr_dl sdl;
106
107 if (alen > sizeof(sdl.sdl_data))
108 return (-EINVAL);
109 memset(&sdl, 0, sizeof(sdl));
110 sdl.sdl_len = sizeof(sdl);
111 sdl.sdl_family = AF_LINK;
112 sdl.sdl_alen = alen;
113 memcpy(&sdl.sdl_data, addr, alen);
114
115 return -if_delmulti(dev, (struct sockaddr *)&sdl);
116 }
117
118 static inline int
dev_mc_del(struct net_device * dev,void * addr)119 dev_mc_del(struct net_device *dev, void *addr)
120 {
121 return (dev_mc_delete(dev, addr, 6, 0));
122 }
123
124 static inline int
dev_mc_add(struct net_device * dev,void * addr,int alen,int newonly)125 dev_mc_add(struct net_device *dev, void *addr, int alen, int newonly)
126 {
127 struct sockaddr_dl sdl;
128
129 if (alen > sizeof(sdl.sdl_data))
130 return (-EINVAL);
131 memset(&sdl, 0, sizeof(sdl));
132 sdl.sdl_len = sizeof(sdl);
133 sdl.sdl_family = AF_LINK;
134 sdl.sdl_alen = alen;
135 memcpy(&sdl.sdl_data, addr, alen);
136
137 return -if_addmulti(dev, (struct sockaddr *)&sdl, NULL);
138 }
139
140 #endif /* _LINUX_NETDEVICE_H_ */
141