root/drivers/staging/rtl8192u/ieee80211/dot11d.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __INC_DOT11D_H
   3 #define __INC_DOT11D_H
   4 
   5 #include "ieee80211.h"
   6 
   7 struct chnl_txpower_triple {
   8         u8  first_channel;
   9         u8  num_channels;
  10         u8  max_tx_pwr_dbm;
  11 };
  12 
  13 enum dot11d_state {
  14         DOT11D_STATE_NONE = 0,
  15         DOT11D_STATE_LEARNED,
  16         DOT11D_STATE_DONE,
  17 };
  18 
  19 struct 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 
  46 void rtl8192u_dot11d_init(struct ieee80211_device *dev);
  47 void dot11d_reset(struct ieee80211_device *dev);
  48 void dot11d_update_country_ie(struct ieee80211_device *dev,
  49                               u8 *addr,
  50                               u16 coutry_ie_len,
  51                               u8 *coutry_ie);
  52 u8 dot11d_get_max_tx_pwr_in_dbm(struct ieee80211_device *dev, u8 channel);
  53 void dot11d_scan_complete(struct ieee80211_device *dev);
  54 int is_legal_channel(struct ieee80211_device *dev, u8 channel);
  55 int to_legal_channel(struct ieee80211_device *dev, u8 channel);
  56 
  57 #endif /* #ifndef __INC_DOT11D_H */