rtl8192u/ieee80211/dot11d.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __INC_DOT11D_H
0003 #define __INC_DOT11D_H
0004
0005 #include "ieee80211.h"
0006
0007 struct chnl_txpower_triple {
0008     u8  first_channel;
0009     u8  num_channels;
0010     u8  max_tx_pwr_dbm;
0011 };
0012
0013 enum dot11d_state {
0014     DOT11D_STATE_NONE = 0,
0015     DOT11D_STATE_LEARNED,
0016     DOT11D_STATE_DONE,
0017 };
0018
0019 struct rt_dot11d_info {
0020     u16 country_ie_len; /* > 0 if country_ie_buf[] contains valid country information element. */
0021
0022     /*  country_ie_src_addr u16 aligned for comparison and copy */
0023     u8  country_ie_src_addr[ETH_ALEN]; /* Source AP of the country IE. */
0024     u8  country_ie_buf[MAX_IE_LEN];
0025     u8  country_ie_watchdog;
0026
0027     u8  channel_map[MAX_CHANNEL_NUMBER + 1];  /* !Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan) */
0028     u8  max_tx_pwr_dbm_list[MAX_CHANNEL_NUMBER + 1];
0029
0030     enum dot11d_state state;
0031     u8  dot11d_enabled; /* dot11MultiDomainCapabilityEnabled */
0032 };
0033
0034 #define GET_DOT11D_INFO(ieee_dev) ((struct rt_dot11d_info *)((ieee_dev)->dot11d_info))
0035
0036 #define IS_DOT11D_ENABLE(ieee_dev) (GET_DOT11D_INFO(ieee_dev)->dot11d_enabled)
0037 #define IS_COUNTRY_IE_VALID(ieee_dev) (GET_DOT11D_INFO(ieee_dev)->country_ie_len > 0)
0038
0039 #define IS_EQUAL_CIE_SRC(ieee_dev, addr) ether_addr_equal(GET_DOT11D_INFO(ieee_dev)->country_ie_src_addr, addr)
0040 #define UPDATE_CIE_SRC(ieee_dev, addr) ether_addr_copy(GET_DOT11D_INFO(ieee_dev)->country_ie_src_addr, addr)
0041
0042 #define GET_CIE_WATCHDOG(ieee_dev) (GET_DOT11D_INFO(ieee_dev)->country_ie_watchdog)
0043 #define RESET_CIE_WATCHDOG(ieee_dev) (GET_CIE_WATCHDOG(ieee_dev) = 0)
0044 #define UPDATE_CIE_WATCHDOG(ieee_dev) (++GET_CIE_WATCHDOG(ieee_dev))
0045
0046 void rtl8192u_dot11d_init(struct ieee80211_device *dev);
0047 void dot11d_reset(struct ieee80211_device *dev);
0048 void dot11d_update_country_ie(struct ieee80211_device *dev,
0049                   u8 *addr,
0050                   u16 coutry_ie_len,
0051                   u8 *coutry_ie);
0052 u8 dot11d_get_max_tx_pwr_in_dbm(struct ieee80211_device *dev, u8 channel);
0053 void dot11d_scan_complete(struct ieee80211_device *dev);
0054 int is_legal_channel(struct ieee80211_device *dev, u8 channel);
0055 int to_legal_channel(struct ieee80211_device *dev, u8 channel);
0056
0057 #endif /* #ifndef __INC_DOT11D_H */