drivers/staging/rtl8192e/dot11d.h

   1 #ifndef INC_DOT11D_H
   2 #define INC_DOT11D_H
   3
   4 #ifdef ENABLE_DOT11D
   5 #include "ieee80211.h"
   6
   7 typedef struct _CHNL_TXPOWER_TRIPLE {
   8         u8 FirstChnl;
   9         u8  NumChnls;
  10         u8  MaxTxPowerInDbm;
  11 } CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
  12
  13 typedef enum _DOT11D_STATE {
  14         DOT11D_STATE_NONE = 0,
  15         DOT11D_STATE_LEARNED,
  16         DOT11D_STATE_DONE,
  17 } DOT11D_STATE;
  18
  19 /**
  20  * struct _RT_DOT11D_INFO
  21  * @CountryIeLen: value greater than 0 if @CountryIeBuf contains
  22  *                valid country information element.
  23  * @chanell_map: holds channel values
  24  *              0 - invalid,
  25  *              1 - valid (active scan),
  26  *              2 - valid (passive scan)
  27  * @CountryIeSrcAddr - Source AP of the country IE
  28  */
  29
  30 typedef struct _RT_DOT11D_INFO {
  31         bool bEnabled;
  32
  33         u16 CountryIeLen;
  34         u8 CountryIeBuf[MAX_IE_LEN];
  35         u8 CountryIeSrcAddr[6];
  36         u8 CountryIeWatchdog;
  37
  38         u8 channel_map[MAX_CHANNEL_NUMBER+1];
  39         u8 MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
  40
  41         DOT11D_STATE State;
  42 } RT_DOT11D_INFO, *PRT_DOT11D_INFO;
  43
  44 static inline void cpMacAddr(unsigned char *des, unsigned char *src)
  45 {
  46         memcpy(des, src, 6);
  47 }
  48
  49 #define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO) \
  50                         ((__pIeeeDev)->pDot11dInfo))
  51
  52 #define IS_DOT11D_ENABLE(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->bEnabled)
  53 #define IS_COUNTRY_IE_VALID(__pIeeeDev) \
  54                         (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
  55
  56 #define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) \
  57                 eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  58
  59 #define UPDATE_CIE_SRC(__pIeeeDev, __pTa) \
  60                 cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  61
  62 #define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \
  63         (((__Ie).Length == 0 || (__Ie).Length != \
  64         GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? FALSE : \
  65         (!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, \
  66         (__Ie).Octet, (__Ie).Length)))
  67
  68 #define CIE_WATCHDOG_TH 1
  69 #define GET_CIE_WATCHDOG(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)-> \
  70                                                         CountryIeWatchdog)
  71 #define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
  72 #define UPDATE_CIE_WATCHDOG(__pIeeeDev) (++GET_CIE_WATCHDOG(__pIeeeDev))
  73
  74 #define IS_DOT11D_STATE_DONE(__pIeeeDev) \
  75                 (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
  76
  77
  78 void Dot11d_Init(struct ieee80211_device *dev);
  79
  80 void Dot11d_Reset(struct ieee80211_device *dev);
  81
  82 void Dot11d_UpdateCountryIe(struct ieee80211_device *dev, u8 *pTaddr,
  83                 u16 CoutryIeLen, u8 *pCoutryIe);
  84
  85 u8 DOT11D_GetMaxTxPwrInDbm(struct ieee80211_device *dev, u8 channel);
  86
  87 void DOT11D_ScanComplete(struct ieee80211_device *dev);
  88
  89 int IsLegalChannel(struct ieee80211_device *dev, u8 channel);
  90
  91 int ToLegalChannel(struct ieee80211_device *dev, u8 channel);
  92
  93 #endif /* ENABLE_DOT11D */
  94 #endif /* INC_DOT11D_H */