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
19 struct compat_iw_point {
20 compat_caddr_t pointer;
21 __u16 length;
22 __u16 flags;
23 };
24 #endif
25 #ifdef CONFIG_COMPAT
26 struct __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
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