include/linux/wireless.h

   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
  25 struct __compat_iw_event {
  26         __u16           len;                    /* Real length of this stuff */
  27         __u16           cmd;                    /* Wireless IOCTL */
  28
  29         union {
  30                 compat_caddr_t  pointer;
  31
  32                 /* we need ptr_bytes to make memcpy() run-time destination
  33                  * buffer bounds checking happy, nothing special
  34                  */
  35                 DECLARE_FLEX_ARRAY(__u8, ptr_bytes);
  36         };
  37 };
  38 #define IW_EV_COMPAT_LCP_LEN offsetof(struct __compat_iw_event, pointer)
  39 #define IW_EV_COMPAT_POINT_OFF offsetof(struct compat_iw_point, length)
  40
  41 /* Size of the various events for compat */
  42 #define IW_EV_COMPAT_CHAR_LEN   (IW_EV_COMPAT_LCP_LEN + IFNAMSIZ)
  43 #define IW_EV_COMPAT_UINT_LEN   (IW_EV_COMPAT_LCP_LEN + sizeof(__u32))
  44 #define IW_EV_COMPAT_FREQ_LEN   (IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_freq))
  45 #define IW_EV_COMPAT_PARAM_LEN  (IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_param))
  46 #define IW_EV_COMPAT_ADDR_LEN   (IW_EV_COMPAT_LCP_LEN + sizeof(struct sockaddr))
  47 #define IW_EV_COMPAT_QUAL_LEN   (IW_EV_COMPAT_LCP_LEN + sizeof(struct iw_quality))
  48 #define IW_EV_COMPAT_POINT_LEN  \
  49         (IW_EV_COMPAT_LCP_LEN + sizeof(struct compat_iw_point) - \
  50          IW_EV_COMPAT_POINT_OFF)
  51 #endif /* CONFIG_COMPAT */
  52 #endif  /* _LINUX_WIRELESS_H */