release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/rtl8192su/ieee80211/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  * You should have received a copy of the GNU General Public License along with
  10  * this program; if not, write to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  12  *
  13  * The full GNU General Public License is included in this distribution in the
  14  * file called LICENSE.
  15  *
  16  * Contact Information:
  17  * wlanfae <wlanfae@realtek.com>
  18 ******************************************************************************/
  19 #ifndef __INC_DOT11D_H
  20 #define __INC_DOT11D_H
  21
  22 #include "ieee80211.h"
  23
  24 typedef struct _CHNL_TXPOWER_TRIPLE {
  25         u8 FirstChnl;
  26         u8  NumChnls;
  27         u8  MaxTxPowerInDbm;
  28 }CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
  29
  30 typedef enum _DOT11D_STATE {
  31         DOT11D_STATE_NONE = 0,
  32         DOT11D_STATE_LEARNED,
  33         DOT11D_STATE_DONE,
  34 }DOT11D_STATE;
  35
  36 typedef struct _RT_DOT11D_INFO {
  37
  38         bool bEnabled; // dot11MultiDomainCapabilityEnabled
  39
  40         u16 CountryIeLen; // > 0 if CountryIeBuf[] contains valid country information element.
  41         u8  CountryIeBuf[MAX_IE_LEN];
  42         u8  CountryIeSrcAddr[6]; // Source AP of the country IE.
  43         u8  CountryIeWatchdog;
  44
  45         u8  channel_map[MAX_CHANNEL_NUMBER+1];  //!!!Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan)
  46         u8  MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
  47
  48         DOT11D_STATE State;
  49 }RT_DOT11D_INFO, *PRT_DOT11D_INFO;
  50 #define eqMacAddr(a,b)          ( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
  51 #define cpMacAddr(des,src)            ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5])
  52 #define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO)((__pIeeeDev)->pDot11dInfo))
  53
  54 #define IS_DOT11D_ENABLE(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->bEnabled
  55 #define IS_COUNTRY_IE_VALID(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
  56
  57 #define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  58 #define UPDATE_CIE_SRC(__pIeeeDev, __pTa) cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  59
  60 #define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \
  61         (((__Ie).Length == 0 || (__Ie).Length != GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? \
  62         FALSE : \
  63         (!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, (__Ie).Octet, (__Ie).Length)))
  64
  65 #define CIE_WATCHDOG_TH 1
  66 #define GET_CIE_WATCHDOG(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog
  67 #define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
  68 #define UPDATE_CIE_WATCHDOG(__pIeeeDev) ++GET_CIE_WATCHDOG(__pIeeeDev)
  69
  70 #define IS_DOT11D_STATE_DONE(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
  71
  72
  73 void
  74 Dot11d_Init(
  75         struct ieee80211_device *dev
  76         );
  77
  78 void
  79 Dot11d_Reset(
  80         struct ieee80211_device *dev
  81         );
  82
  83 void
  84 Dot11d_UpdateCountryIe(
  85         struct ieee80211_device *dev,
  86         u8 *            pTaddr,
  87         u16     CoutryIeLen,
  88         u8 * pCoutryIe
  89         );
  90
  91 u8
  92 DOT11D_GetMaxTxPwrInDbm(
  93         struct ieee80211_device *dev,
  94         u8 Channel
  95         );
  96
  97 void
  98 DOT11D_ScanComplete(
  99         struct ieee80211_device * dev
 100         );
 101
 102 int IsLegalChannel(
 103         struct ieee80211_device * dev,
 104         u8 channel
 105 );
 106
 107 int ToLegalChannel(
 108         struct ieee80211_device * dev,
 109         u8 channel
 110 );
 111 #endif