xref: /freebsd/sys/compat/linuxkpi/common/include/linux/netdevice.h (revision d9f0ce31900a48d1a2bfc1c8c86f79d1e831451a)
1 /*-
2  * Copyright (c) 2010 Isilon Systems, Inc.
3  * Copyright (c) 2010 iX Systems, Inc.
4  * Copyright (c) 2010 Panasas, Inc.
5  * Copyright (c) 2013-2016 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/completion.h>
44 #include <linux/device.h>
45 #include <linux/workqueue.h>
46 #include <linux/net.h>
47 #include <linux/notifier.h>
48 
49 struct net {
50 };
51 
52 extern struct net init_net;
53 
54 #define	MAX_ADDR_LEN		20
55 
56 #define	net_device	ifnet
57 
58 #define	dev_get_by_index(n, idx)	ifnet_byindex_ref((idx))
59 #define	dev_hold(d)	if_ref((d))
60 #define	dev_put(d)	if_rele((d))
61 #define	dev_net(d)	(&init_net)
62 
63 #define	net_eq(a,b)	((a) == (b))
64 
65 #define	netif_running(dev)	!!((dev)->if_drv_flags & IFF_DRV_RUNNING)
66 #define	netif_oper_up(dev)	!!((dev)->if_flags & IFF_UP)
67 #define	netif_carrier_ok(dev)	netif_running(dev)
68 
69 static inline void *
70 netdev_priv(const struct net_device *dev)
71 {
72 	return (dev->if_softc);
73 }
74 
75 static inline struct net_device *
76 netdev_notifier_info_to_dev(void *ifp)
77 {
78 	return (ifp);
79 }
80 
81 int	register_netdevice_notifier(struct notifier_block *);
82 int	register_inetaddr_notifier(struct notifier_block *);
83 int	unregister_netdevice_notifier(struct notifier_block *);
84 int	unregister_inetaddr_notifier(struct notifier_block *);
85 
86 #define	rtnl_lock()
87 #define	rtnl_unlock()
88 
89 static inline int
90 dev_mc_delete(struct net_device *dev, void *addr, int alen, int all)
91 {
92 	struct sockaddr_dl sdl;
93 
94 	if (alen > sizeof(sdl.sdl_data))
95 		return (-EINVAL);
96 	memset(&sdl, 0, sizeof(sdl));
97 	sdl.sdl_len = sizeof(sdl);
98 	sdl.sdl_family = AF_LINK;
99 	sdl.sdl_alen = alen;
100 	memcpy(&sdl.sdl_data, addr, alen);
101 
102 	return -if_delmulti(dev, (struct sockaddr *)&sdl);
103 }
104 
105 static inline int
106 dev_mc_del(struct net_device *dev, void *addr)
107 {
108 	return (dev_mc_delete(dev, addr, 6, 0));
109 }
110 
111 static inline int
112 dev_mc_add(struct net_device *dev, void *addr, int alen, int newonly)
113 {
114 	struct sockaddr_dl sdl;
115 
116 	if (alen > sizeof(sdl.sdl_data))
117 		return (-EINVAL);
118 	memset(&sdl, 0, sizeof(sdl));
119 	sdl.sdl_len = sizeof(sdl);
120 	sdl.sdl_family = AF_LINK;
121 	sdl.sdl_alen = alen;
122 	memcpy(&sdl.sdl_data, addr, alen);
123 
124 	return -if_addmulti(dev, (struct sockaddr *)&sdl, NULL);
125 }
126 
127 #endif	/* _LINUX_NETDEVICE_H_ */
128