LXR linux/drivers/staging/rtl8192u/ieee80211/dot11d.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __INC_DOT11D_H
   3#define __INC_DOT11D_H
   4
   5#include "ieee80211.h"
   6
   7struct chnl_txpower_triple {
   8        u8  first_channel;
   9        u8  num_channels;
  10        u8  max_tx_pwr_dbm;
  11};
  12
  13enum dot11d_state {
  14        DOT11D_STATE_NONE = 0,
  15        DOT11D_STATE_LEARNED,
  16        DOT11D_STATE_DONE,
  17};
  18
  19struct rt_dot11d_info {
  20        u16 country_ie_len; /* > 0 if country_ie_buf[] contains valid country information element. */
  21
  22        /*  country_ie_src_addr u16 aligned for comparison and copy */
  23        u8  country_ie_src_addr[ETH_ALEN]; /* Source AP of the country IE. */
  24        u8  country_ie_buf[MAX_IE_LEN];
  25        u8  country_ie_watchdog;
  26
  27        u8  channel_map[MAX_CHANNEL_NUMBER + 1];  /* !Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan) */
  28        u8  max_tx_pwr_dbm_list[MAX_CHANNEL_NUMBER + 1];
  29
  30        enum dot11d_state state;
  31        u8  dot11d_enabled; /* dot11MultiDomainCapabilityEnabled */
  32};
  33
  34#define GET_DOT11D_INFO(ieee_dev) ((struct rt_dot11d_info *)((ieee_dev)->dot11d_info))
  35
  36#define IS_DOT11D_ENABLE(ieee_dev) (GET_DOT11D_INFO(ieee_dev)->dot11d_enabled)
  37#define IS_COUNTRY_IE_VALID(ieee_dev) (GET_DOT11D_INFO(ieee_dev)->country_ie_len > 0)
  38
  39#define IS_EQUAL_CIE_SRC(ieee_dev, addr) ether_addr_equal(GET_DOT11D_INFO(ieee_dev)->country_ie_src_addr, addr)
  40#define UPDATE_CIE_SRC(ieee_dev, addr) ether_addr_copy(GET_DOT11D_INFO(ieee_dev)->country_ie_src_addr, addr)
  41
  42#define GET_CIE_WATCHDOG(ieee_dev) (GET_DOT11D_INFO(ieee_dev)->country_ie_watchdog)
  43#define RESET_CIE_WATCHDOG(ieee_dev) (GET_CIE_WATCHDOG(ieee_dev) = 0)
  44#define UPDATE_CIE_WATCHDOG(ieee_dev) (++GET_CIE_WATCHDOG(ieee_dev))
  45
  46void rtl8192u_dot11d_init(struct ieee80211_device *dev);
  47void dot11d_reset(struct ieee80211_device *dev);
  48void dot11d_update_country_ie(struct ieee80211_device *dev,
  49                              u8 *addr,
  50                              u16 coutry_ie_len,
  51                              u8 *coutry_ie);
  52u8 dot11d_get_max_tx_pwr_in_dbm(struct ieee80211_device *dev, u8 channel);
  53void dot11d_scan_complete(struct ieee80211_device *dev);
  54int is_legal_channel(struct ieee80211_device *dev, u8 channel);
  55int to_legal_channel(struct ieee80211_device *dev, u8 channel);
  56
  57#endif /* #ifndef __INC_DOT11D_H */
  58