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 "rtllib.h" 23 24 25 26 struct chnl_txpow_triple { 27 u8 FirstChnl; 28 u8 NumChnls; 29 u8 MaxTxPowerInDbm; 30 }; 31 32 enum dot11d_state { 33 DOT11D_STATE_NONE = 0, 34 DOT11D_STATE_LEARNED, 35 DOT11D_STATE_DONE, 36 }; 37 38 /** 39 * struct rt_dot11d_info * @CountryIeLen: value greater than 0 if @CountryIeBuf contains 40 * valid country information element. 41 * @chanell_map: holds channel values 42 * 0 - invalid, 43 * 1 - valid (active scan), 44 * 2 - valid (passive scan) 45 * @CountryIeSrcAddr - Source AP of the country IE 46 */ 47 48 struct rt_dot11d_info { 49 50 bool bEnabled; 51 52 u16 CountryIeLen; 53 u8 CountryIeBuf[MAX_IE_LEN]; 54 u8 CountryIeSrcAddr[6]; 55 u8 CountryIeWatchdog; 56 57 u8 channel_map[MAX_CHANNEL_NUMBER+1]; 58 u8 MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1]; 59 60 enum dot11d_state State; 61 }; 62 63 static inline void cpMacAddr(unsigned char *des, unsigned char *src) 64 { 65 memcpy(des, src, 6); 66 } 67 68 #define GET_DOT11D_INFO(__pIeeeDev) \ 69 ((struct rt_dot11d_info *)((__pIeeeDev)->pDot11dInfo)) 70 71 #define IS_DOT11D_ENABLE(__pIeeeDev) \ 72 (GET_DOT11D_INFO(__pIeeeDev)->bEnabled) 73 #define IS_COUNTRY_IE_VALID(__pIeeeDev) \ 74 (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0) 75 76 #define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) \ 77 eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa) 78 #define UPDATE_CIE_SRC(__pIeeeDev, __pTa) \ 79 cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa) 80 81 #define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \ 82 (((__Ie).Length == 0 || (__Ie).Length != \ 83 GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? \ 84 false : (!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, \ 85 (__Ie).Octet, (__Ie).Length))) 86 87 #define CIE_WATCHDOG_TH 1 88 #define GET_CIE_WATCHDOG(__pIeeeDev) \ 89 (GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog) 90 #define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0 91 #define UPDATE_CIE_WATCHDOG(__pIeeeDev) (++GET_CIE_WATCHDOG(__pIeeeDev)) 92 93 #define IS_DOT11D_STATE_DONE(__pIeeeDev) \ 94 (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE) 95 96 void dot11d_init(struct rtllib_device *dev); 97 void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee); 98 void Dot11d_Reset(struct rtllib_device *dev); 99 void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr, 100 u16 CoutryIeLen, u8 *pCoutryIe); 101 u8 DOT11D_GetMaxTxPwrInDbm(struct rtllib_device *dev, u8 Channel); 102 void DOT11D_ScanComplete(struct rtllib_device *dev); 103 int ToLegalChannel(struct rtllib_device *dev, u8 channel); 104 105 #endif 106