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 * 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
  22struct chnl_txpow_triple {
  23        u8 FirstChnl;
  24        u8  NumChnls;
  25        u8  MaxTxPowerInDbm;
  26};
  27
  28enum 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
  44struct 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
  59static 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)
  80static 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
  86void dot11d_init(struct rtllib_device *dev);
  87void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee);
  88void Dot11d_Reset(struct rtllib_device *dev);
  89void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr,
  90                            u16 CoutryIeLen, u8 *pCoutryIe);
  91void DOT11D_ScanComplete(struct rtllib_device *dev);
  92
  93#endif
  94