Neatening only. git diff -w shows no differences. Signed-off-by: Joe Perches <joe@xxxxxxxxxxx> --- drivers/staging/vt6655/power.c | 824 ++++++++++++++++++++--------------------- drivers/staging/vt6655/power.h | 30 +- 2 files changed, 427 insertions(+), 427 deletions(-) rewrite drivers/staging/vt6655/power.c (71%) diff --git a/drivers/staging/vt6655/power.c b/drivers/staging/vt6655/power.c dissimilarity index 71% index 661d534..3be79c7 100644 --- a/drivers/staging/vt6655/power.c +++ b/drivers/staging/vt6655/power.c @@ -1,412 +1,412 @@ -/* - * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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 02110-1301 USA. - * - * - * File: power.c - * - * Purpose: Handles 802.11 power management functions - * - * Author: Lyndon Chen - * - * Date: July 17, 2002 - * - * Functions: - * PSvEnablePowerSaving - Enable Power Saving Mode - * PSvDiasblePowerSaving - Disable Power Saving Mode - * PSbConsiderPowerDown - Decide if we can Power Down - * PSvSendPSPOLL - Send PS-POLL packet - * PSbSendNullPacket - Send Null packet - * PSbIsNextTBTTWakeUp - Decide if we need to wake up at next Beacon - * - * Revision History: - * - */ - -#include "ttype.h" -#include "mac.h" -#include "device.h" -#include "wmgr.h" -#include "power.h" -#include "wcmd.h" -#include "rxtx.h" -#include "card.h" - -/*--------------------- Static Definitions -------------------------*/ - - - - -/*--------------------- Static Classes ----------------------------*/ - -/*--------------------- Static Variables --------------------------*/ -static int msglevel =MSG_LEVEL_INFO; -/*--------------------- Static Functions --------------------------*/ - - -/*--------------------- Export Variables --------------------------*/ - - -/*--------------------- Export Functions --------------------------*/ - -/*+ - * - * Routine Description: - * Enable hw power saving functions - * - * Return Value: - * None. - * --*/ - - -void -PSvEnablePowerSaving( - void *hDeviceContext, - unsigned short wListenInterval - ) -{ - PSDevice pDevice = (PSDevice)hDeviceContext; - PSMgmtObject pMgmt = pDevice->pMgmt; - unsigned short wAID = pMgmt->wCurrAID | BIT14 | BIT15; - - // set period of power up before TBTT - VNSvOutPortW(pDevice->PortOffset + MAC_REG_PWBT, C_PWBT); - if (pDevice->eOPMode != OP_MODE_ADHOC) { - // set AID - VNSvOutPortW(pDevice->PortOffset + MAC_REG_AIDATIM, wAID); - } else { - // set ATIM Window - MACvWriteATIMW(pDevice->PortOffset, pMgmt->wCurrATIMWindow); - } - // Set AutoSleep - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCFG, PSCFG_AUTOSLEEP); - // Set HWUTSF - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_HWUTSF); - - if (wListenInterval >= 2) { - // clear always listen beacon - MACvRegBitsOff(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN); - //pDevice->wCFG &= ~CFG_ALB; - // first time set listen next beacon - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_LNBCN); - pMgmt->wCountToWakeUp = wListenInterval; - } - else { - // always listen beacon - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN); - //pDevice->wCFG |= CFG_ALB; - pMgmt->wCountToWakeUp = 0; - } - - // enable power saving hw function - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PSEN); - pDevice->bEnablePSMode = true; - - if (pDevice->eOPMode == OP_MODE_ADHOC) { -// bMgrPrepareBeaconToSend((void *)pDevice, pMgmt); - } - // We don't send null pkt in ad hoc mode since beacon will handle this. - else if (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) { - PSbSendNullPacket(pDevice); - } - pDevice->bPWBitOn = true; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS:Power Saving Mode Enable... \n"); - return; -} - - - - - - -/*+ - * - * Routine Description: - * Disable hw power saving functions - * - * Return Value: - * None. - * --*/ - -void -PSvDisablePowerSaving( - void *hDeviceContext - ) -{ - PSDevice pDevice = (PSDevice)hDeviceContext; -// PSMgmtObject pMgmt = pDevice->pMgmt; - - // disable power saving hw function - MACbPSWakeup(pDevice->PortOffset); - //clear AutoSleep - MACvRegBitsOff(pDevice->PortOffset, MAC_REG_PSCFG, PSCFG_AUTOSLEEP); - //clear HWUTSF - MACvRegBitsOff(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_HWUTSF); - // set always listen beacon - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN); - - pDevice->bEnablePSMode = false; - - if (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) { - PSbSendNullPacket(pDevice); - } - pDevice->bPWBitOn = false; - return; -} - - -/*+ - * - * Routine Description: - * Consider to power down when no more packets to tx or rx. - * - * Return Value: - * true, if power down success - * false, if fail --*/ - - -bool -PSbConsiderPowerDown( - void *hDeviceContext, - bool bCheckRxDMA, - bool bCheckCountToWakeUp - ) -{ - PSDevice pDevice = (PSDevice)hDeviceContext; - PSMgmtObject pMgmt = pDevice->pMgmt; - unsigned int uIdx; - - // check if already in Doze mode - if (MACbIsRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PS)) - return true; - - if (pMgmt->eCurrMode != WMAC_MODE_IBSS_STA) { - // check if in TIM wake period - if (pMgmt->bInTIMWake) - return false; - } - - // check scan state - if (pDevice->bCmdRunning) - return false; - - // Force PSEN on - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PSEN); - - // check if all TD are empty, - for (uIdx = 0; uIdx < TYPE_MAXTD; uIdx ++) { - if (pDevice->iTDUsed[uIdx] != 0) - return false; - } - - // check if rx isr is clear - if (bCheckRxDMA && - ((pDevice->dwIsr& ISR_RXDMA0) != 0) && - ((pDevice->dwIsr & ISR_RXDMA1) != 0)){ - return false; - } - - if (pMgmt->eCurrMode != WMAC_MODE_IBSS_STA) { - if (bCheckCountToWakeUp && - (pMgmt->wCountToWakeUp == 0 || pMgmt->wCountToWakeUp == 1)) { - return false; - } - } - - // no Tx, no Rx isr, now go to Doze - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_GO2DOZE); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Go to Doze ZZZZZZZZZZZZZZZ\n"); - return true; -} - - - -/*+ - * - * Routine Description: - * Send PS-POLL packet - * - * Return Value: - * None. - * --*/ - - - -void -PSvSendPSPOLL( - void *hDeviceContext - ) -{ - PSDevice pDevice = (PSDevice)hDeviceContext; - PSMgmtObject pMgmt = pDevice->pMgmt; - PSTxMgmtPacket pTxPacket = NULL; - - - memset(pMgmt->pbyPSPacketPool, 0, sizeof(STxMgmtPacket) + WLAN_HDR_ADDR2_LEN); - pTxPacket = (PSTxMgmtPacket)pMgmt->pbyPSPacketPool; - pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket + sizeof(STxMgmtPacket)); - pTxPacket->p80211Header->sA2.wFrameCtl = cpu_to_le16( - ( - WLAN_SET_FC_FTYPE(WLAN_TYPE_CTL) | - WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_PSPOLL) | - WLAN_SET_FC_PWRMGT(0) - )); - pTxPacket->p80211Header->sA2.wDurationID = pMgmt->wCurrAID | BIT14 | BIT15; - memcpy(pTxPacket->p80211Header->sA2.abyAddr1, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN); - memcpy(pTxPacket->p80211Header->sA2.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); - pTxPacket->cbMPDULen = WLAN_HDR_ADDR2_LEN; - pTxPacket->cbPayloadLen = 0; - // send the frame - if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send PS-Poll packet failed..\n"); - } - else { -// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send PS-Poll packet success..\n"); - }; - - return; -} - - - -/*+ - * - * Routine Description: - * Send NULL packet to AP for notification power state of STA - * - * Return Value: - * None. - * --*/ -bool -PSbSendNullPacket( - void *hDeviceContext - ) -{ - PSDevice pDevice = (PSDevice)hDeviceContext; - PSTxMgmtPacket pTxPacket = NULL; - PSMgmtObject pMgmt = pDevice->pMgmt; - unsigned int uIdx; - - - if (pDevice->bLinkPass == false) { - return false; - } - #ifdef TxInSleep - if ((pDevice->bEnablePSMode == false) && - (pDevice->fTxDataInSleep == false)){ - return false; - } -#else - if (pDevice->bEnablePSMode == false) { - return false; - } -#endif - if (pDevice->bEnablePSMode) { - for (uIdx = 0; uIdx < TYPE_MAXTD; uIdx ++) { - if (pDevice->iTDUsed[uIdx] != 0) - return false; - } - } - - memset(pMgmt->pbyPSPacketPool, 0, sizeof(STxMgmtPacket) + WLAN_NULLDATA_FR_MAXLEN); - pTxPacket = (PSTxMgmtPacket)pMgmt->pbyPSPacketPool; - pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket + sizeof(STxMgmtPacket)); - - if (pDevice->bEnablePSMode) { - - pTxPacket->p80211Header->sA3.wFrameCtl = cpu_to_le16( - ( - WLAN_SET_FC_FTYPE(WLAN_TYPE_DATA) | - WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_NULL) | - WLAN_SET_FC_PWRMGT(1) - )); - } - else { - pTxPacket->p80211Header->sA3.wFrameCtl = cpu_to_le16( - ( - WLAN_SET_FC_FTYPE(WLAN_TYPE_DATA) | - WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_NULL) | - WLAN_SET_FC_PWRMGT(0) - )); - } - - if(pMgmt->eCurrMode != WMAC_MODE_IBSS_STA) { - pTxPacket->p80211Header->sA3.wFrameCtl |= cpu_to_le16((unsigned short)WLAN_SET_FC_TODS(1)); - } - - memcpy(pTxPacket->p80211Header->sA3.abyAddr1, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN); - memcpy(pTxPacket->p80211Header->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); - memcpy(pTxPacket->p80211Header->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); - pTxPacket->cbMPDULen = WLAN_HDR_ADDR3_LEN; - pTxPacket->cbPayloadLen = 0; - // send the frame - if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send Null Packet failed !\n"); - return false; - } - else { - -// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send Null Packet success....\n"); - } - - - return true ; -} - -/*+ - * - * Routine Description: - * Check if Next TBTT must wake up - * - * Return Value: - * None. - * --*/ - -bool -PSbIsNextTBTTWakeUp( - void *hDeviceContext - ) -{ - - PSDevice pDevice = (PSDevice)hDeviceContext; - PSMgmtObject pMgmt = pDevice->pMgmt; - bool bWakeUp = false; - - if (pMgmt->wListenInterval >= 2) { - if (pMgmt->wCountToWakeUp == 0) { - pMgmt->wCountToWakeUp = pMgmt->wListenInterval; - } - - pMgmt->wCountToWakeUp --; - - if (pMgmt->wCountToWakeUp == 1) { - // Turn on wake up to listen next beacon - MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_LNBCN); - bWakeUp = true; - } - - } - - return bWakeUp; -} - +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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 02110-1301 USA. + * + * + * File: power.c + * + * Purpose: Handles 802.11 power management functions + * + * Author: Lyndon Chen + * + * Date: July 17, 2002 + * + * Functions: + * PSvEnablePowerSaving - Enable Power Saving Mode + * PSvDiasblePowerSaving - Disable Power Saving Mode + * PSbConsiderPowerDown - Decide if we can Power Down + * PSvSendPSPOLL - Send PS-POLL packet + * PSbSendNullPacket - Send Null packet + * PSbIsNextTBTTWakeUp - Decide if we need to wake up at next Beacon + * + * Revision History: + * + */ + +#include "ttype.h" +#include "mac.h" +#include "device.h" +#include "wmgr.h" +#include "power.h" +#include "wcmd.h" +#include "rxtx.h" +#include "card.h" + +/*--------------------- Static Definitions -------------------------*/ + + + + +/*--------------------- Static Classes ----------------------------*/ + +/*--------------------- Static Variables --------------------------*/ +static int msglevel = MSG_LEVEL_INFO; +/*--------------------- Static Functions --------------------------*/ + + +/*--------------------- Export Variables --------------------------*/ + + +/*--------------------- Export Functions --------------------------*/ + +/*+ + * + * Routine Description: + * Enable hw power saving functions + * + * Return Value: + * None. + * + -*/ + + +void +PSvEnablePowerSaving( + void *hDeviceContext, + unsigned short wListenInterval +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned short wAID = pMgmt->wCurrAID | BIT14 | BIT15; + + // set period of power up before TBTT + VNSvOutPortW(pDevice->PortOffset + MAC_REG_PWBT, C_PWBT); + if (pDevice->eOPMode != OP_MODE_ADHOC) { + // set AID + VNSvOutPortW(pDevice->PortOffset + MAC_REG_AIDATIM, wAID); + } else { + // set ATIM Window + MACvWriteATIMW(pDevice->PortOffset, pMgmt->wCurrATIMWindow); + } + // Set AutoSleep + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCFG, PSCFG_AUTOSLEEP); + // Set HWUTSF + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_HWUTSF); + + if (wListenInterval >= 2) { + // clear always listen beacon + MACvRegBitsOff(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN); + //pDevice->wCFG &= ~CFG_ALB; + // first time set listen next beacon + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_LNBCN); + pMgmt->wCountToWakeUp = wListenInterval; + } + else { + // always listen beacon + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN); + //pDevice->wCFG |= CFG_ALB; + pMgmt->wCountToWakeUp = 0; + } + + // enable power saving hw function + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PSEN); + pDevice->bEnablePSMode = true; + + if (pDevice->eOPMode == OP_MODE_ADHOC) { +// bMgrPrepareBeaconToSend((void *)pDevice, pMgmt); + } + // We don't send null pkt in ad hoc mode since beacon will handle this. + else if (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) { + PSbSendNullPacket(pDevice); + } + pDevice->bPWBitOn = true; + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS:Power Saving Mode Enable... \n"); + return; +} + + + + + + +/*+ + * + * Routine Description: + * Disable hw power saving functions + * + * Return Value: + * None. + * + -*/ + +void +PSvDisablePowerSaving( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; +// PSMgmtObject pMgmt = pDevice->pMgmt; + + // disable power saving hw function + MACbPSWakeup(pDevice->PortOffset); + //clear AutoSleep + MACvRegBitsOff(pDevice->PortOffset, MAC_REG_PSCFG, PSCFG_AUTOSLEEP); + //clear HWUTSF + MACvRegBitsOff(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_HWUTSF); + // set always listen beacon + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN); + + pDevice->bEnablePSMode = false; + + if (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) { + PSbSendNullPacket(pDevice); + } + pDevice->bPWBitOn = false; + return; +} + + +/*+ + * + * Routine Description: + * Consider to power down when no more packets to tx or rx. + * + * Return Value: + * true, if power down success + * false, if fail + -*/ + + +bool +PSbConsiderPowerDown( + void *hDeviceContext, + bool bCheckRxDMA, + bool bCheckCountToWakeUp +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned int uIdx; + + // check if already in Doze mode + if (MACbIsRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PS)) + return true; + + if (pMgmt->eCurrMode != WMAC_MODE_IBSS_STA) { + // check if in TIM wake period + if (pMgmt->bInTIMWake) + return false; + } + + // check scan state + if (pDevice->bCmdRunning) + return false; + + // Force PSEN on + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PSEN); + + // check if all TD are empty, + for (uIdx = 0; uIdx < TYPE_MAXTD; uIdx++) { + if (pDevice->iTDUsed[uIdx] != 0) + return false; + } + + // check if rx isr is clear + if (bCheckRxDMA && + ((pDevice->dwIsr & ISR_RXDMA0) != 0) && + ((pDevice->dwIsr & ISR_RXDMA1) != 0)) { + return false; + } + + if (pMgmt->eCurrMode != WMAC_MODE_IBSS_STA) { + if (bCheckCountToWakeUp && + (pMgmt->wCountToWakeUp == 0 || pMgmt->wCountToWakeUp == 1)) { + return false; + } + } + + // no Tx, no Rx isr, now go to Doze + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_GO2DOZE); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Go to Doze ZZZZZZZZZZZZZZZ\n"); + return true; +} + + + +/*+ + * + * Routine Description: + * Send PS-POLL packet + * + * Return Value: + * None. + * + -*/ + + + +void +PSvSendPSPOLL( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + PSTxMgmtPacket pTxPacket = NULL; + + + memset(pMgmt->pbyPSPacketPool, 0, sizeof(STxMgmtPacket) + WLAN_HDR_ADDR2_LEN); + pTxPacket = (PSTxMgmtPacket)pMgmt->pbyPSPacketPool; + pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket + sizeof(STxMgmtPacket)); + pTxPacket->p80211Header->sA2.wFrameCtl = cpu_to_le16( + ( + WLAN_SET_FC_FTYPE(WLAN_TYPE_CTL) | + WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_PSPOLL) | + WLAN_SET_FC_PWRMGT(0) +)); + pTxPacket->p80211Header->sA2.wDurationID = pMgmt->wCurrAID | BIT14 | BIT15; + memcpy(pTxPacket->p80211Header->sA2.abyAddr1, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN); + memcpy(pTxPacket->p80211Header->sA2.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); + pTxPacket->cbMPDULen = WLAN_HDR_ADDR2_LEN; + pTxPacket->cbPayloadLen = 0; + // send the frame + if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send PS-Poll packet failed..\n"); + } + else { +// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send PS-Poll packet success..\n"); + }; + + return; +} + + + +/*+ + * + * Routine Description: + * Send NULL packet to AP for notification power state of STA + * + * Return Value: + * None. + * + -*/ +bool +PSbSendNullPacket( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSTxMgmtPacket pTxPacket = NULL; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned int uIdx; + + + if (pDevice->bLinkPass == false) { + return false; + } +#ifdef TxInSleep + if ((pDevice->bEnablePSMode == false) && + (pDevice->fTxDataInSleep == false)) { + return false; + } +#else + if (pDevice->bEnablePSMode == false) { + return false; + } +#endif + if (pDevice->bEnablePSMode) { + for (uIdx = 0; uIdx < TYPE_MAXTD; uIdx++) { + if (pDevice->iTDUsed[uIdx] != 0) + return false; + } + } + + memset(pMgmt->pbyPSPacketPool, 0, sizeof(STxMgmtPacket) + WLAN_NULLDATA_FR_MAXLEN); + pTxPacket = (PSTxMgmtPacket)pMgmt->pbyPSPacketPool; + pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket + sizeof(STxMgmtPacket)); + + if (pDevice->bEnablePSMode) { + + pTxPacket->p80211Header->sA3.wFrameCtl = cpu_to_le16( + ( + WLAN_SET_FC_FTYPE(WLAN_TYPE_DATA) | + WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_NULL) | + WLAN_SET_FC_PWRMGT(1) +)); + } + else { + pTxPacket->p80211Header->sA3.wFrameCtl = cpu_to_le16( + ( + WLAN_SET_FC_FTYPE(WLAN_TYPE_DATA) | + WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_NULL) | + WLAN_SET_FC_PWRMGT(0) +)); + } + + if (pMgmt->eCurrMode != WMAC_MODE_IBSS_STA) { + pTxPacket->p80211Header->sA3.wFrameCtl |= cpu_to_le16((unsigned short)WLAN_SET_FC_TODS(1)); + } + + memcpy(pTxPacket->p80211Header->sA3.abyAddr1, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN); + memcpy(pTxPacket->p80211Header->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); + memcpy(pTxPacket->p80211Header->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); + pTxPacket->cbMPDULen = WLAN_HDR_ADDR3_LEN; + pTxPacket->cbPayloadLen = 0; + // send the frame + if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send Null Packet failed !\n"); + return false; + } + else { + +// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Send Null Packet success....\n"); + } + + + return true; +} + +/*+ + * + * Routine Description: + * Check if Next TBTT must wake up + * + * Return Value: + * None. + * + -*/ + +bool +PSbIsNextTBTTWakeUp( + void *hDeviceContext +) +{ + + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + bool bWakeUp = false; + + if (pMgmt->wListenInterval >= 2) { + if (pMgmt->wCountToWakeUp == 0) { + pMgmt->wCountToWakeUp = pMgmt->wListenInterval; + } + + pMgmt->wCountToWakeUp--; + + if (pMgmt->wCountToWakeUp == 1) { + // Turn on wake up to listen next beacon + MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_LNBCN); + bWakeUp = true; + } + + } + + return bWakeUp; +} + diff --git a/drivers/staging/vt6655/power.h b/drivers/staging/vt6655/power.h index 01013b5..0d1d372 100644 --- a/drivers/staging/vt6655/power.h +++ b/drivers/staging/vt6655/power.h @@ -50,35 +50,35 @@ bool PSbConsiderPowerDown( - void *hDeviceContext, - bool bCheckRxDMA, - bool bCheckCountToWakeUp - ); + void *hDeviceContext, + bool bCheckRxDMA, + bool bCheckCountToWakeUp +); void PSvDisablePowerSaving( - void *hDeviceContext - ); + void *hDeviceContext +); void PSvEnablePowerSaving( - void *hDeviceContext, - unsigned short wListenInterval - ); + void *hDeviceContext, + unsigned short wListenInterval +); void PSvSendPSPOLL( - void *hDeviceContext - ); + void *hDeviceContext +); bool PSbSendNullPacket( - void *hDeviceContext - ); + void *hDeviceContext +); bool PSbIsNextTBTTWakeUp( - void *hDeviceContext - ); + void *hDeviceContext +); #endif //__POWER_H__ -- 1.8.1.2.459.gbcd45b4.dirty _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel