+++ /dev/null
-/******************************************************************************
- * 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;
-}
projects / mv-sheeva.git / blobdiff