1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * This file define a set of standard wireless extensions
4 *
5 * Version : 22 16.3.07
6 *
7 * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
8 * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
9 */
10#ifndef _LINUX_WIRELESS_H
11#define _LINUX_WIRELESS_H
12
13#include <uapi/linux/wireless.h>
14
15#ifdef CONFIG_COMPAT
16
17#include <linux/compat.h>
18
19struct compat_iw_point {
20 compat_caddr_t pointer;
21 __u16 length;
22 __u16 flags;
23};
24#endif
25#ifdef CONFIG_COMPAT
26struct __compat_iw_event {
27 __u16 len; /* Real length of this stuff */
28 __u16 cmd; /* Wireless IOCTL */
29
30 union {
31 compat_caddr_t pointer;
32
33 /* we need ptr_bytes to make memcpy() run-time destination
34 * buffer bounds checking happy, nothing special
35 */
36 DECLARE_FLEX_ARRAY(__u8, ptr_bytes);
37 };
38};
39#define IW_EV_COMPAT_LCP_LEN offsetof(struct __compat_iw_event, pointer)
40#define IW_EV_COMPAT_POINT_OFF offsetof(struct compat_iw_point, length)
41
42/* Size of the various events for compat */
43#define IW_EV_COMPAT_CHAR_LEN (IW_EV_COMPAT_LCP_LEN + IFNAMSIZ)
44#define IW_EV_COMPAT_UINT_LEN (IW_EV_COMPAT_LCP_LEN + sizeof(__u32))
45#define IW_EV_COMPAT_FREQ_LEN (IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_freq))
46#define IW_EV_COMPAT_PARAM_LEN (IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_param))
47#define IW_EV_COMPAT_ADDR_LEN (IW_EV_COMPAT_LCP_LEN + sizeof(struct sockaddr))
48#define IW_EV_COMPAT_QUAL_LEN (IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_quality))
49#define IW_EV_COMPAT_POINT_LEN \
50 (IW_EV_COMPAT_LCP_LEN + sizeof(struct compat_iw_point) - \
51 IW_EV_COMPAT_POINT_OFF)
52#endif
53#endif /* _LINUX_WIRELESS_H */
54

source code of linux/include/linux/wireless.h