staging/rtl8192e/dot11d.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /******************************************************************************
0003  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
0004  *
0005  * Contact Information:
0006  * wlanfae <wlanfae@realtek.com>
0007  ******************************************************************************/
0008 #ifndef __INC_DOT11D_H
0009 #define __INC_DOT11D_H
0010
0011 #include "rtllib.h"
0012
0013 struct chnl_txpow_triple {
0014     u8 first_channel;
0015     u8  num_channels;
0016     u8  max_tx_power;
0017 };
0018
0019 enum dot11d_state {
0020     DOT11D_STATE_NONE = 0,
0021     DOT11D_STATE_LEARNED,
0022     DOT11D_STATE_DONE,
0023 };
0024
0025 /**
0026  * struct rt_dot11d_info * @country_len: value greater than 0 if
0027  *        @country_buffer contains valid country information element.
0028  * @channel_map: holds channel values
0029  *      0 - invalid,
0030  *      1 - valid (active scan),
0031  *      2 - valid (passive scan)
0032  * @country_src_addr - Source AP of the country IE
0033  */
0034
0035 struct rt_dot11d_info {
0036     bool enabled;
0037
0038     u16 country_len;
0039     u8  country_buffer[MAX_IE_LEN];
0040     u8  country_src_addr[6];
0041     u8  country_watchdog;
0042
0043     u8  channel_map[MAX_CHANNEL_NUMBER + 1];
0044     u8  max_tx_power_list[MAX_CHANNEL_NUMBER + 1];
0045
0046     enum dot11d_state state;
0047 };
0048
0049 static inline void copy_mac_addr(unsigned char *des, unsigned char *src)
0050 {
0051     memcpy(des, src, 6);
0052 }
0053
0054 #define GET_DOT11D_INFO(__ieee_dev)         \
0055      ((struct rt_dot11d_info *)((__ieee_dev)->dot11d_info))
0056
0057 #define IS_DOT11D_ENABLE(__ieee_dev)            \
0058      (GET_DOT11D_INFO(__ieee_dev)->enabled)
0059 #define IS_COUNTRY_IE_VALID(__ieee_dev)         \
0060     (GET_DOT11D_INFO(__ieee_dev)->country_len > 0)
0061
0062 #define IS_EQUAL_CIE_SRC(__ieee_dev, __address)     \
0063      ether_addr_equal_unaligned( \
0064         GET_DOT11D_INFO(__ieee_dev)->country_src_addr, __address)
0065 #define UPDATE_CIE_SRC(__ieee_dev, __address)       \
0066     copy_mac_addr(GET_DOT11D_INFO(__ieee_dev)->country_src_addr, __address)
0067
0068 #define GET_CIE_WATCHDOG(__ieee_dev)                \
0069      (GET_DOT11D_INFO(__ieee_dev)->country_watchdog)
0070 static inline void RESET_CIE_WATCHDOG(struct rtllib_device *__ieee_dev)
0071 {
0072     GET_CIE_WATCHDOG(__ieee_dev) = 0;
0073 }
0074
0075 #define UPDATE_CIE_WATCHDOG(__ieee_dev) (++GET_CIE_WATCHDOG(__ieee_dev))
0076
0077 void dot11d_init(struct rtllib_device *dev);
0078 void dot11d_channel_map(u8 channel_plan, struct rtllib_device *ieee);
0079 void dot11d_reset(struct rtllib_device *dev);
0080 void dot11d_update_country(struct rtllib_device *dev, u8 *address,
0081                u16 country_len, u8 *country);
0082 void dot11d_scan_complete(struct rtllib_device *dev);
0083
0084 #endif