diff options
Diffstat (limited to 'drivers/staging/rtl8187se/ieee80211/dot11d.c')
-rw-r--r-- | drivers/staging/rtl8187se/ieee80211/dot11d.c | 492 |
1 files changed, 246 insertions, 246 deletions
diff --git a/drivers/staging/rtl8187se/ieee80211/dot11d.c b/drivers/staging/rtl8187se/ieee80211/dot11d.c index 5d8b752f..54bcdcf 100644 --- a/drivers/staging/rtl8187se/ieee80211/dot11d.c +++ b/drivers/staging/rtl8187se/ieee80211/dot11d.c @@ -1,246 +1,246 @@ -#ifdef ENABLE_DOT11D
-//-----------------------------------------------------------------------------
-// File:
-// Dot11d.c
-//
-// Description:
-// Implement 802.11d.
-//
-//-----------------------------------------------------------------------------
-
-#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);
-
- //printk("Dot11d_Reset()\n");
-}
-
-//
-// 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;
-
- if((CoutryIeLen - 3)%3 != 0)
- {
- printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n");
- Dot11d_Reset(dev);
- return;
- }
-
- 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");
- Dot11d_Reset(dev);
- 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");
- Dot11d_Reset(dev);
- 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("Dot11d_UpdateCountryIe(): Channel List:\n");
- 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;
-}
-
-void dump_chnl_map(u8 * channel_map)
-{
- int i;
- printk("Channel List:");
- for(i=1; i<= MAX_CHANNEL_NUMBER; i++)
- if(channel_map[i] > 0)
- printk(" %d(%d)", i, channel_map[i]);
- printk("\n");
-}
-
-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;
-}
-
-#if 0
-EXPORT_SYMBOL(Dot11d_Init);
-EXPORT_SYMBOL(Dot11d_Reset);
-EXPORT_SYMBOL(Dot11d_UpdateCountryIe);
-EXPORT_SYMBOL(DOT11D_GetMaxTxPwrInDbm);
-EXPORT_SYMBOL(DOT11D_ScanComplete);
-EXPORT_SYMBOL(IsLegalChannel);
-EXPORT_SYMBOL(ToLegalChannel);
-#endif
-#endif
+#ifdef ENABLE_DOT11D +//----------------------------------------------------------------------------- +// File: +// Dot11d.c +// +// Description: +// Implement 802.11d. +// +//----------------------------------------------------------------------------- + +#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); + + //printk("Dot11d_Reset()\n"); +} + +// +// 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; + + if((CoutryIeLen - 3)%3 != 0) + { + printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n"); + Dot11d_Reset(dev); + return; + } + + 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"); + Dot11d_Reset(dev); + 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"); + Dot11d_Reset(dev); + 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("Dot11d_UpdateCountryIe(): Channel List:\n"); + 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; +} + +void dump_chnl_map(u8 * channel_map) +{ + int i; + printk("Channel List:"); + for(i=1; i<= MAX_CHANNEL_NUMBER; i++) + if(channel_map[i] > 0) + printk(" %d(%d)", i, channel_map[i]); + printk("\n"); +} + +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; +} + +#if 0 +EXPORT_SYMBOL(Dot11d_Init); +EXPORT_SYMBOL(Dot11d_Reset); +EXPORT_SYMBOL(Dot11d_UpdateCountryIe); +EXPORT_SYMBOL(DOT11D_GetMaxTxPwrInDbm); +EXPORT_SYMBOL(DOT11D_ScanComplete); +EXPORT_SYMBOL(IsLegalChannel); +EXPORT_SYMBOL(ToLegalChannel); +#endif +#endif |