diff options
Diffstat (limited to 'drivers/staging/rtl8192u/ieee80211/dot11d.c')
| -rw-r--r-- | drivers/staging/rtl8192u/ieee80211/dot11d.c | 173 |
1 files changed, 64 insertions, 109 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/dot11d.c b/drivers/staging/rtl8192u/ieee80211/dot11d.c index 34edcfab96be..90ace791f2d7 100644 --- a/drivers/staging/rtl8192u/ieee80211/dot11d.c +++ b/drivers/staging/rtl8192u/ieee80211/dot11d.c @@ -1,16 +1,8 @@ -//----------------------------------------------------------------------------- -// File: -// Dot11d.c -// -// Description: -// Implement 802.11d. -// -//----------------------------------------------------------------------------- +/* Implement 802.11d. */ #include "dot11d.h" -void -Dot11d_Init(struct ieee80211_device *ieee) +void Dot11d_Init(struct ieee80211_device *ieee) { PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee); @@ -22,55 +14,42 @@ Dot11d_Init(struct ieee80211_device *ieee) memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1); RESET_CIE_WATCHDOG(ieee); - printk("Dot11d_Init()\n"); + netdev_info(ieee->dev, "Dot11d_Init()\n"); } +EXPORT_SYMBOL(Dot11d_Init); -// -// Description: -// Reset to the state as we are just entering a regulatory domain. -// -void -Dot11d_Reset(struct ieee80211_device *ieee) +/* 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 + /* 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++) { + /* Set new channel map */ + for (i = 1; i <= 11; i++) (pDot11dInfo->channel_map)[i] = 1; - } - for (i=12; i<=14; i++) { + + 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"); } +EXPORT_SYMBOL(Dot11d_Reset); -// -// 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 - ) +/* + * 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; @@ -79,23 +58,25 @@ Dot11d_UpdateCountryIe( 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. + 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"); + for (i = 0; i < NumTriples; i++) { + if (MaxChnlNum >= pTriple->FirstChnl) { + /* It is not in a monotonically increasing order, so + * stop processing. + */ + netdev_err(dev->dev, "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"); + if (MAX_CHANNEL_NUMBER < (pTriple->FirstChnl + pTriple->NumChnls)) { + /* It is not a valid set of channel id, so stop + * processing. + */ + netdev_err(dev->dev, "Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n"); return; } - for(j = 0 ; j < pTriple->NumChnls; j++) - { + 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; @@ -103,60 +84,48 @@ Dot11d_UpdateCountryIe( pTriple = (PCHNL_TXPOWER_TRIPLE)((u8 *)pTriple + 3); } - //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"); + netdev_info(dev->dev, "Channel List:"); + for (i = 1; i <= MAX_CHANNEL_NUMBER; i++) + if (pDot11dInfo->channel_map[i] > 0) + netdev_info(dev->dev, " %d", i); + netdev_info(dev->dev, "\n"); UPDATE_CIE_SRC(dev, pTaddr); pDot11dInfo->CountryIeLen = CoutryIeLen; - memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe,CoutryIeLen); + memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe, CoutryIeLen); pDot11dInfo->State = DOT11D_STATE_LEARNED; } +EXPORT_SYMBOL(Dot11d_UpdateCountryIe); - -u8 -DOT11D_GetMaxTxPwrInDbm( - struct ieee80211_device *dev, - u8 Channel - ) +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"); + if (MAX_CHANNEL_NUMBER < Channel) { + netdev_err(dev->dev, "DOT11D_GetMaxTxPwrInDbm(): Invalid Channel\n"); return MaxTxPwrInDbm; } - if(pDot11dInfo->channel_map[Channel]) - { + if (pDot11dInfo->channel_map[Channel]) MaxTxPwrInDbm = pDot11dInfo->MaxTxPwrDbmList[Channel]; - } return MaxTxPwrInDbm; } +EXPORT_SYMBOL(DOT11D_GetMaxTxPwrInDbm); - -void -DOT11D_ScanComplete( - struct ieee80211_device *dev - ) +void DOT11D_ScanComplete(struct ieee80211_device *dev) { PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev); - switch (pDot11dInfo->State) - { + 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. + if (GET_CIE_WATCHDOG(dev) == 0) { + /* Reset country IE if previous one is gone. */ Dot11d_Reset(dev); } break; @@ -164,57 +133,43 @@ DOT11D_ScanComplete( break; } } +EXPORT_SYMBOL(DOT11D_ScanComplete); -int IsLegalChannel( - struct ieee80211_device *dev, - u8 channel -) +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"); + if (MAX_CHANNEL_NUMBER < channel) { + netdev_err(dev->dev, "IsLegalChannel(): Invalid Channel\n"); return 0; } - if(pDot11dInfo->channel_map[channel] > 0) + if (pDot11dInfo->channel_map[channel] > 0) return 1; return 0; } +EXPORT_SYMBOL(IsLegalChannel); -int ToLegalChannel( - struct ieee80211_device *dev, - u8 channel -) +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) - { + 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"); + if (MAX_CHANNEL_NUMBER < channel) { + netdev_err(dev->dev, "IsLegalChannel(): Invalid Channel\n"); return default_chn; } - if(pDot11dInfo->channel_map[channel] > 0) + if (pDot11dInfo->channel_map[channel] > 0) return channel; return default_chn; } -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); |