LXR linux/drivers/staging/rtl8192e/dot11d.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/******************************************************************************
   3 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   4 *
   5 * Contact Information:
   6 * wlanfae <wlanfae@realtek.com>
   7 ******************************************************************************/
   8#ifndef __INC_DOT11D_H
   9#define __INC_DOT11D_H
  10
  11#include "rtllib.h"
  12
  13struct chnl_txpow_triple {
  14        u8 first_channel;
  15        u8  num_channels;
  16        u8  max_tx_power;
  17};
  18
  19enum dot11d_state {
  20        DOT11D_STATE_NONE = 0,
  21        DOT11D_STATE_LEARNED,
  22        DOT11D_STATE_DONE,
  23};
  24
  25/**
  26 * struct rt_dot11d_info * @country_len: value greater than 0 if
  27 *                @country_buffer contains valid country information element.
  28 * @channel_map: holds channel values
  29 *              0 - invalid,
  30 *              1 - valid (active scan),
  31 *              2 - valid (passive scan)
  32 * @country_src_addr - Source AP of the country IE
  33 */
  34
  35struct rt_dot11d_info {
  36        bool enabled;
  37
  38        u16 country_len;
  39        u8  country_buffer[MAX_IE_LEN];
  40        u8  country_src_addr[6];
  41        u8  country_watchdog;
  42
  43        u8  channel_map[MAX_CHANNEL_NUMBER + 1];
  44        u8  max_tx_power_list[MAX_CHANNEL_NUMBER + 1];
  45
  46        enum dot11d_state state;
  47};
  48
  49static inline void copy_mac_addr(unsigned char *des, unsigned char *src)
  50{
  51        memcpy(des, src, 6);
  52}
  53
  54#define GET_DOT11D_INFO(__ieee_dev)                     \
  55         ((struct rt_dot11d_info *)((__ieee_dev)->dot11d_info))
  56
  57#define IS_DOT11D_ENABLE(__ieee_dev)                    \
  58         (GET_DOT11D_INFO(__ieee_dev)->enabled)
  59#define IS_COUNTRY_IE_VALID(__ieee_dev)                 \
  60        (GET_DOT11D_INFO(__ieee_dev)->country_len > 0)
  61
  62#define IS_EQUAL_CIE_SRC(__ieee_dev, __address)         \
  63         ether_addr_equal_unaligned( \
  64                GET_DOT11D_INFO(__ieee_dev)->country_src_addr, __address)
  65#define UPDATE_CIE_SRC(__ieee_dev, __address)           \
  66        copy_mac_addr(GET_DOT11D_INFO(__ieee_dev)->country_src_addr, __address)
  67
  68#define GET_CIE_WATCHDOG(__ieee_dev)                            \
  69         (GET_DOT11D_INFO(__ieee_dev)->country_watchdog)
  70static inline void RESET_CIE_WATCHDOG(struct rtllib_device *__ieee_dev)
  71{
  72        GET_CIE_WATCHDOG(__ieee_dev) = 0;
  73}
  74
  75#define UPDATE_CIE_WATCHDOG(__ieee_dev) (++GET_CIE_WATCHDOG(__ieee_dev))
  76
  77void dot11d_init(struct rtllib_device *dev);
  78void dot11d_channel_map(u8 channel_plan, struct rtllib_device *ieee);
  79void dot11d_reset(struct rtllib_device *dev);
  80void dot11d_update_country(struct rtllib_device *dev, u8 *address,
  81                           u16 country_len, u8 *country);
  82void dot11d_scan_complete(struct rtllib_device *dev);
  83
  84#endif
  85