netdevice.h revision 294827 
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: head/sys/compat/linuxkpi/common/include/linux/netdevice.h 294827 2016-01-26 14:29:50Z hselasky $
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
49struct net {
50};
51
52extern 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
69static inline void *
70netdev_priv(const struct net_device *dev)
71{
72	return (dev->if_softc);
73}
74
75static inline struct net_device *
76netdev_notifier_info_to_dev(void *ifp)
77{
78	return (ifp);
79}
80
81int	register_netdevice_notifier(struct notifier_block *);
82int	register_inetaddr_notifier(struct notifier_block *);
83int	unregister_netdevice_notifier(struct notifier_block *);
84int	unregister_inetaddr_notifier(struct notifier_block *);
85
86#define	rtnl_lock()
87#define	rtnl_unlock()
88
89static inline int
90dev_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
105static inline int
106dev_mc_del(struct net_device *dev, void *addr)
107{
108	return (dev_mc_delete(dev, addr, 6, 0));
109}
110
111static inline int
112dev_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