drivers/staging/rtl8192e/dot11d.h

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  *
   4  * This program is distributed in the hope that it will be useful, but WITHOUT
   5  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   6  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   7  * more details.
   8  *
   9  * The full GNU General Public License is included in this distribution in the
  10  * file called LICENSE.
  11  *
  12  * Contact Information:
  13  * wlanfae <wlanfae@realtek.com>
  14  ******************************************************************************/
  15 #ifndef __INC_DOT11D_H
  16 #define __INC_DOT11D_H
  17
  18 #include "rtllib.h"
  19
  20 struct chnl_txpow_triple {
  21         u8 FirstChnl;
  22         u8  NumChnls;
  23         u8  MaxTxPowerInDbm;
  24 };
  25
  26 enum dot11d_state {
  27         DOT11D_STATE_NONE = 0,
  28         DOT11D_STATE_LEARNED,
  29         DOT11D_STATE_DONE,
  30 };
  31
  32 /**
  33  * struct rt_dot11d_info * @CountryIeLen: value greater than 0 if
  34  *                @CountryIeBuf contains valid country information element.
  35  * @channel_map: holds channel values
  36  *              0 - invalid,
  37  *              1 - valid (active scan),
  38  *              2 - valid (passive scan)
  39  * @CountryIeSrcAddr - Source AP of the country IE
  40  */
  41
  42 struct rt_dot11d_info {
  43         bool bEnabled;
  44
  45         u16 CountryIeLen;
  46         u8  CountryIeBuf[MAX_IE_LEN];
  47         u8  CountryIeSrcAddr[6];
  48         u8  CountryIeWatchdog;
  49
  50         u8  channel_map[MAX_CHANNEL_NUMBER + 1];
  51         u8  MaxTxPwrDbmList[MAX_CHANNEL_NUMBER + 1];
  52
  53         enum dot11d_state State;
  54 };
  55
  56 static inline void cpMacAddr(unsigned char *des, unsigned char *src)
  57 {
  58         memcpy(des, src, 6);
  59 }
  60
  61 #define GET_DOT11D_INFO(__pIeeeDev)                     \
  62          ((struct rt_dot11d_info *)((__pIeeeDev)->pDot11dInfo))
  63
  64 #define IS_DOT11D_ENABLE(__pIeeeDev)                    \
  65          (GET_DOT11D_INFO(__pIeeeDev)->bEnabled)
  66 #define IS_COUNTRY_IE_VALID(__pIeeeDev)                 \
  67         (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
  68
  69 #define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa)             \
  70          ether_addr_equal_unaligned( \
  71                 GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  72 #define UPDATE_CIE_SRC(__pIeeeDev, __pTa)               \
  73         cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  74
  75 #define GET_CIE_WATCHDOG(__pIeeeDev)                            \
  76          (GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog)
  77 static inline void RESET_CIE_WATCHDOG(struct rtllib_device *__pIeeeDev)
  78 {
  79         GET_CIE_WATCHDOG(__pIeeeDev) = 0;
  80 }
  81
  82 #define UPDATE_CIE_WATCHDOG(__pIeeeDev) (++GET_CIE_WATCHDOG(__pIeeeDev))
  83
  84 void dot11d_init(struct rtllib_device *dev);
  85 void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee);
  86 void Dot11d_Reset(struct rtllib_device *dev);
  87 void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr,
  88                             u16 CoutryIeLen, u8 *pCoutryIe);
  89 void DOT11D_ScanComplete(struct rtllib_device *dev);
  90
  91 #endif