LXR linux/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 * 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
  26struct chnl_txpow_triple {
  27        u8 FirstChnl;
  28        u8  NumChnls;
  29        u8  MaxTxPowerInDbm;
  30};
  31
  32enum 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 * @channel_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
  48struct 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
  63static 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         ether_addr_equal_unaligned( \
  78                GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  79#define UPDATE_CIE_SRC(__pIeeeDev, __pTa)               \
  80        cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
  81
  82#define GET_CIE_WATCHDOG(__pIeeeDev)                            \
  83         (GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog)
  84static inline void RESET_CIE_WATCHDOG(struct rtllib_device *__pIeeeDev)
  85{
  86        GET_CIE_WATCHDOG(__pIeeeDev) = 0;
  87}
  88#define UPDATE_CIE_WATCHDOG(__pIeeeDev) (++GET_CIE_WATCHDOG(__pIeeeDev))
  89
  90void dot11d_init(struct rtllib_device *dev);
  91void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee);
  92void Dot11d_Reset(struct rtllib_device *dev);
  93void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr,
  94                            u16 CoutryIeLen, u8 *pCoutryIe);
  95void DOT11D_ScanComplete(struct rtllib_device *dev);
  96
  97#endif
  98