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
  21
  22 struct chnl_txpow_triple {
  23         u8 FirstChnl;
  24         u8  NumChnls;
  25         u8  MaxTxPowerInDbm;
  26 };
  27
  28 enum dot11d_state {
  29         DOT11D_STATE_NONE = 0,
  30         DOT11D_STATE_LEARNED,
  31         DOT11D_STATE_DONE,
  32 };
  33
  34 /**
  35  * struct rt_dot11d_info * @CountryIeLen: value greater than 0 if @CountryIeBuf contains
  36  *                valid country information element.
  37  * @channel_map: holds channel values
  38  *              0 - invalid,
  39  *              1 - valid (active scan),
  40  *              2 - valid (passive scan)
  41  * @CountryIeSrcAddr - Source AP of the country IE
  42  */
  43
  44 struct rt_dot11d_info {
  45
  46         bool bEnabled;
  47
  48         u16 CountryIeLen;
  49         u8  CountryIeBuf[MAX_IE_LEN];
  50         u8  CountryIeSrcAddr[6];
  51         u8  CountryIeWatchdog;
  52
  53         u8  channel_map[MAX_CHANNEL_NUMBER+1];
  54         u8  MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
  55
  56         enum dot11d_state State;
  57 };
  58
  59 static inline void cpMacAddr(unsigned char *des, unsigned char *src)
  60 {
  61         memcpy(des, src, 6);
  62 }
  63
  64 #define GET_DOT11D_INFO(__pIeeeDev)                     \
  65          ((struct rt_dot11d_info *)((__pIeeeDev)->pDot11dInfo))
  66
  67 #define IS_DOT11D_ENABLE(__pIeeeDev)                    \
  68          (GET_DOT11D_INFO(__pIeeeDev)->bEnabled)
  69 #define IS_COUNTRY_IE_VALID(__pIeeeDev)                 \
  70         (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
  71
  72 #define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa)             \
  73          ether_addr_equal_unaligned( \
  74                 GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  75 #define UPDATE_CIE_SRC(__pIeeeDev, __pTa)               \
  76         cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  77
  78 #define GET_CIE_WATCHDOG(__pIeeeDev)                            \
  79          (GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog)
  80 static inline void RESET_CIE_WATCHDOG(struct rtllib_device *__pIeeeDev)
  81 {
  82         GET_CIE_WATCHDOG(__pIeeeDev) = 0;
  83 }
  84 #define UPDATE_CIE_WATCHDOG(__pIeeeDev) (++GET_CIE_WATCHDOG(__pIeeeDev))
  85
  86 void dot11d_init(struct rtllib_device *dev);
  87 void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee);
  88 void Dot11d_Reset(struct rtllib_device *dev);
  89 void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr,
  90                             u16 CoutryIeLen, u8 *pCoutryIe);
  91 void DOT11D_ScanComplete(struct rtllib_device *dev);
  92
  93 #endif