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 bool eqMacAddr(u8 *a, u8 *b)
  45 {
  46         return a[0] == b[0] && a[1] == b[1] && a[2] == b[2] &&
  47                a[3] == b[3] && a[4] == b[4] && a[5] == b[5];
  48 }
  49
  50 #define cpMacAddr(des, src) ((des)[0] = (src)[0], (des)[1] = (src)[1], \
  51                         (des)[2] = (src)[2], (des)[3] = (src)[3], \
  52                         (des)[4] = (src)[4], (des)[5] = (src)[5])
  53
  54 #define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO) \
  55                         ((__pIeeeDev)->pDot11dInfo))
  56
  57 #define IS_DOT11D_ENABLE(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->bEnabled
  58 #define IS_COUNTRY_IE_VALID(__pIeeeDev) \
  59                         (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
  60
  61 #define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) \
  62                 eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  63
  64 #define UPDATE_CIE_SRC(__pIeeeDev, __pTa) \
  65                 cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  66
  67 #define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \
  68         (((__Ie).Length == 0 || (__Ie).Length != \
  69         GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? FALSE : \
  70         (!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, \
  71         (__Ie).Octet, (__Ie).Length)))
  72
  73 #define CIE_WATCHDOG_TH 1
  74 #define GET_CIE_WATCHDOG(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog
  75 #define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
  76 #define UPDATE_CIE_WATCHDOG(__pIeeeDev) ++GET_CIE_WATCHDOG(__pIeeeDev)
  77
  78 #define IS_DOT11D_STATE_DONE(__pIeeeDev) \
  79                 (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
  80
  81
  82 void Dot11d_Init(struct ieee80211_device *dev);
  83
  84 void Dot11d_Reset(struct ieee80211_device *dev);
  85
  86 void Dot11d_UpdateCountryIe(struct ieee80211_device *dev, u8 *pTaddr,
  87                 u16 CoutryIeLen, u8 *pCoutryIe);
  88
  89 u8 DOT11D_GetMaxTxPwrInDbm(struct ieee80211_device *dev, u8 channel);
  90
  91 void DOT11D_ScanComplete(struct ieee80211_device *dev);
  92
  93 int IsLegalChannel(struct ieee80211_device *dev, u8 channel);
  94
  95 int ToLegalChannel(struct ieee80211_device *dev, u8 channel);
  96
  97 #endif /* ENABLE_DOT11D */
  98 #endif /* INC_DOT11D_H */