diff options
Diffstat (limited to 'drivers/staging/rtl8192su/ieee80211/dot11d.c')
| -rw-r--r-- | drivers/staging/rtl8192su/ieee80211/dot11d.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/drivers/staging/rtl8192su/ieee80211/dot11d.c b/drivers/staging/rtl8192su/ieee80211/dot11d.c deleted file mode 100644 index 6275cc7..0000000 --- a/drivers/staging/rtl8192su/ieee80211/dot11d.c +++ /dev/null @@ -1,224 +0,0 @@ -/****************************************************************************** - * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * wlanfae <wlanfae@realtek.com> -******************************************************************************/ - -#include "dot11d.h" - -void -Dot11d_Init(struct ieee80211_device *ieee) -{ - PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee); - - pDot11dInfo->bEnabled = 0; - - pDot11dInfo->State = DOT11D_STATE_NONE; - pDot11dInfo->CountryIeLen = 0; - memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1); - memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1); - RESET_CIE_WATCHDOG(ieee); - - printk("Dot11d_Init()\n"); -} - -// -// Description: -// Reset to the state as we are just entering a regulatory domain. -// -void -Dot11d_Reset(struct ieee80211_device *ieee) -{ - u32 i; - PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee); - - // Clear old channel map - memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1); - memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1); - // Set new channel map - for (i=1; i<=11; i++) { - (pDot11dInfo->channel_map)[i] = 1; - } - for (i=12; i<=14; i++) { - (pDot11dInfo->channel_map)[i] = 2; - } - - pDot11dInfo->State = DOT11D_STATE_NONE; - pDot11dInfo->CountryIeLen = 0; - RESET_CIE_WATCHDOG(ieee); - -} - -// -// Description: -// Update country IE from Beacon or Probe Resopnse -// and configure PHY for operation in the regulatory domain. -// -// TODO: -// Configure Tx power. -// -// Assumption: -// 1. IS_DOT11D_ENABLE() is TRUE. -// 2. Input IE is an valid one. -// -void -Dot11d_UpdateCountryIe( - struct ieee80211_device *dev, - u8 * pTaddr, - u16 CoutryIeLen, - u8 * pCoutryIe - ) -{ - PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev); - u8 i, j, NumTriples, MaxChnlNum; - PCHNL_TXPOWER_TRIPLE pTriple; - - memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1); - memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1); - MaxChnlNum = 0; - NumTriples = (CoutryIeLen - 3) / 3; // skip 3-byte country string. - pTriple = (PCHNL_TXPOWER_TRIPLE)(pCoutryIe + 3); - for(i = 0; i < NumTriples; i++) - { - if(MaxChnlNum >= pTriple->FirstChnl) - { // It is not in a monotonically increasing order, so stop processing. - printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n"); - return; - } - if(MAX_CHANNEL_NUMBER < (pTriple->FirstChnl + pTriple->NumChnls)) - { // It is not a valid set of channel id, so stop processing. - printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n"); - return; - } - - for(j = 0 ; j < pTriple->NumChnls; j++) - { - pDot11dInfo->channel_map[pTriple->FirstChnl + j] = 1; - pDot11dInfo->MaxTxPwrDbmList[pTriple->FirstChnl + j] = pTriple->MaxTxPowerInDbm; - MaxChnlNum = pTriple->FirstChnl + j; - } - - pTriple = (PCHNL_TXPOWER_TRIPLE)((u8*)pTriple + 3); - } -#if 1 - printk("Channel List:"); - for(i=1; i<= MAX_CHANNEL_NUMBER; i++) - if(pDot11dInfo->channel_map[i] > 0) - printk(" %d", i); - printk("\n"); -#endif - - UPDATE_CIE_SRC(dev, pTaddr); - - pDot11dInfo->CountryIeLen = CoutryIeLen; - memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe,CoutryIeLen); - pDot11dInfo->State = DOT11D_STATE_LEARNED; -} - - -u8 -DOT11D_GetMaxTxPwrInDbm( - struct ieee80211_device *dev, - u8 Channel - ) -{ - PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev); - u8 MaxTxPwrInDbm = 255; - - if(MAX_CHANNEL_NUMBER < Channel) - { - printk("DOT11D_GetMaxTxPwrInDbm(): Invalid Channel\n"); - return MaxTxPwrInDbm; - } - if(pDot11dInfo->channel_map[Channel]) - { - MaxTxPwrInDbm = pDot11dInfo->MaxTxPwrDbmList[Channel]; - } - - return MaxTxPwrInDbm; -} - - -void -DOT11D_ScanComplete( - struct ieee80211_device * dev - ) -{ - PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev); - - switch(pDot11dInfo->State) - { - case DOT11D_STATE_LEARNED: - pDot11dInfo->State = DOT11D_STATE_DONE; - break; - - case DOT11D_STATE_DONE: - if( GET_CIE_WATCHDOG(dev) == 0 ) - { // Reset country IE if previous one is gone. - Dot11d_Reset(dev); - } - break; - case DOT11D_STATE_NONE: - break; - } -} - -int IsLegalChannel( - struct ieee80211_device * dev, - u8 channel -) -{ - PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev); - - if(MAX_CHANNEL_NUMBER < channel) - { - printk("IsLegalChannel(): Invalid Channel\n"); - return 0; - } - if(pDot11dInfo->channel_map[channel] > 0) - return 1; - return 0; -} - -int ToLegalChannel( - struct ieee80211_device * dev, - u8 channel -) -{ - PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev); - u8 default_chn = 0; - u32 i = 0; - - for (i=1; i<= MAX_CHANNEL_NUMBER; i++) - { - if(pDot11dInfo->channel_map[i] > 0) - { - default_chn = i; - break; - } - } - - if(MAX_CHANNEL_NUMBER < channel) - { - printk("IsLegalChannel(): Invalid Channel\n"); - return default_chn; - } - - if(pDot11dInfo->channel_map[channel] > 0) - return channel; - - return default_chn; -} |
