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 */ 58