+++ /dev/null
-/*
- * Copyright (c) 2007-2008 Atheros Communications Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "cprecomp.h"
-#include "ratectrl.h"
-
-
-void zfUpdateBssid(zdev_t* dev, u8_t* bssid)
-{
-
- zmw_get_wlan_dev(dev);
-
- //zmw_declare_for_critical_section();
-
- //zmw_enter_critical_section(dev);
- wd->sta.bssid[0] = bssid[0] + (((u16_t) bssid[1]) << 8);
- wd->sta.bssid[1] = bssid[2] + (((u16_t) bssid[3]) << 8);
- wd->sta.bssid[2] = bssid[4] + (((u16_t) bssid[5]) << 8);
- //zmw_leave_critical_section(dev);
-
- zfHpSetBssid(dev, bssid);
-
-}
-
-/************************************************************************************/
-/* */
-/* FUNCTION DESCRIPTION zfResetSupportRate */
-/* Reset support rate to default value. */
-/* */
-/* INPUTS */
-/* dev : device pointer */
-/* type: ZM_DEFAULT_SUPPORT_RATE_ZERO => reset to zero */
-/* ZM_DEFAULT_SUPPORT_RATE_DISCONNECT => reset to disconnect status */
-/* ZM_DEFAULT_SUPPORT_RATE_IBSS_B => reset to IBSS creator(b mode) */
-/* ZM_DEFAULT_SUPPORT_RATE_IBSS_AG => reset to IBSS creator(a/g mode) */
-/* */
-/************************************************************************************/
-void zfResetSupportRate(zdev_t* dev, u8_t type)
-{
- zmw_get_wlan_dev(dev);
-
- switch(type)
- {
- case ZM_DEFAULT_SUPPORT_RATE_ZERO:
- wd->bRate = 0;
- wd->bRateBasic = 0;
- wd->gRate = 0;
- wd->gRateBasic = 0;
- break;
- case ZM_DEFAULT_SUPPORT_RATE_DISCONNECT:
- wd->bRate = 0xf;
- wd->bRateBasic = 0xf;
- wd->gRate = 0xff;
- wd->gRateBasic = 0x15;
- break;
- case ZM_DEFAULT_SUPPORT_RATE_IBSS_B:
- wd->bRate = 0xf;
- wd->bRateBasic = 0xf;
- wd->gRate = 0;
- wd->gRateBasic = 0;
- break;
- case ZM_DEFAULT_SUPPORT_RATE_IBSS_AG:
- wd->bRate = 0xf;
- wd->bRateBasic = 0xf;
- wd->gRate = 0xff;
- wd->gRateBasic = 0;
- break;
- }
-}
-
-void zfUpdateSupportRate(zdev_t* dev, u8_t* rateArray)
-{
- u8_t bRate=0, bRateBasic=0, gRate=0, gRateBasic=0;
- u8_t length = rateArray[1];
- u8_t i, j;
-
- zmw_get_wlan_dev(dev);
-
- for(i=2; i<length+2; i++)
- {
- for(j=0; j<4; j++)
- {
- if ( (rateArray[i] & 0x7f) == zg11bRateTbl[j] )
- {
- bRate |= (1 << j);
- if ( rateArray[i] & 0x80 )
- {
- bRateBasic |= (1 << j);
- }
- }
- }
-
- if ( j == 4 )
- {
- for(j=0; j<8; j++)
- {
- if ( (rateArray[i] & 0x7f) == zg11gRateTbl[j] )
- {
- gRate |= (1 << j);
- if ( rateArray[i] & 0x80 )
- {
- gRateBasic |= (1 << j);
- }
- }
- }
- }
- }
-
-
- wd->bRate |= bRate;
- wd->bRateBasic |= bRateBasic;
- wd->gRate |= gRate;
- wd->gRateBasic |= gRateBasic;
-}
-
-u8_t zfIsGOnlyMode(zdev_t* dev, u16_t frequency, u8_t* rateArray)
-{
- u8_t length = rateArray[1];
- u8_t i, j;
-
- if (frequency < 3000) {
- for (i = 2; i < length+2; i++) {
- for (j = 0; j < 8; j++) {
- if ( ((rateArray[i] & 0x7f) == zg11gRateTbl[j])
- && (rateArray[i] & 0x80) ) {
- return 1;
- }
- }
- }
- }
-
- return 0;
-}
-
-void zfGatherBMode(zdev_t* dev, u8_t* rateArray, u8_t* extrateArray)
-{
- u8_t gatherBMode[ZM_MAX_SUPP_RATES_IE_SIZE + 2];
- u8_t i, j, k = 0;
- u8_t length;
-
- gatherBMode[0] = ZM_WLAN_EID_SUPPORT_RATE;
- gatherBMode[1] = 0;
-
- length = rateArray[1];
- for (i = 2; i < length+2; i++) {
- for (j = 0; j < 4; j++) {
- if ( (rateArray[i] & 0x7f) == zg11bRateTbl[j] ) {
- gatherBMode[2+k] = rateArray[i];
-
- gatherBMode[1]++;
- k++;
- }
- }
- }
-
- length = extrateArray[1];
- for (i = 2; i < length+2; i++) {
- for (j = 0; j < 4; j++) {
- if ( (extrateArray[i] & 0x7f) == zg11bRateTbl[j] ) {
- gatherBMode[2+k] = extrateArray[i];
-
- gatherBMode[1]++;
- k++;
- }
- }
- }
-
- extrateArray[0] = extrateArray[1] = 0;
- zfMemoryCopy(rateArray, gatherBMode, gatherBMode[1]+2);
-}
-
-u16_t zfGetRandomNumber(zdev_t* dev, u16_t initValue)
-{
-#if 0
- /* Compiler/Linker error on Linux */
- if ( initValue )
- {
- srand(initValue);
- }
-
- return ((u16_t)rand());
-#endif
- return 0;
-}
-
-u8_t zfPSDeviceSleep(zdev_t* dev)
-{
- //zmw_get_wlan_dev(dev);
-
- /* enter PS mode */
-
- return 0;
-}
-
-u8_t zcOfdmPhyCrtlToRate[] =
-{
- /* 0x8=48M, 0x9=24M, 0xa=12M, 0xb=6M, 0xc=54M, 0xd=36M, 0xe=18M, 0xf=9M */
- 10, 8, 6, 4, 11, 9, 7, 5
-};
-
-u8_t zfPhyCtrlToRate(u32_t phyCtrl)
-{
- u32_t mt, mcs, sg;
- u8_t rate = 0;
-
- mt = phyCtrl & 0x3;
- mcs = (phyCtrl>>18) & 0x3f;
- sg = (phyCtrl>>31) & 0x1;
-
- if ((mt == 0) && (mcs <=3))
- {
- rate = (u8_t)mcs;
- }
- else if ((mt == 1) && (mcs >= 0x8) && (mcs <= 0xf))
- {
- rate = zcOfdmPhyCrtlToRate[mcs-8];
- }
- else if ((mt == 2) && (mcs <= 15))
- {
- rate = (u8_t)mcs + 12;
- if(sg) {
- if (mcs != 7)
- {
- rate = (u8_t)mcs + 12 + 2;
- }
- else //MCS7-SG
- {
- rate = (u8_t)30;
- }
- }
- }
-
- return rate;
-}
-
-
-void zfCoreEvent(zdev_t* dev, u16_t event, u8_t* rsp)
-{
- u16_t i;
- zbuf_t* psBuf;
- u8_t moreData;
- u8_t vap = 0;
- u8_t peerIdx;
- s8_t res;
- zmw_get_wlan_dev(dev);
- zmw_declare_for_critical_section();
-
-
- if (event == 0) //Beacon Event
- {
- if ( wd->wlanMode == ZM_MODE_AP )
- {
- zfApSendBeacon(dev);
-
- if (wd->CurrentDtimCount == 0)
- {
- /* TODO : Send queued broadcast frames at BC/MC event */
- do
- {
- psBuf = NULL;
- moreData = 0;
- zmw_enter_critical_section(dev);
- if (wd->ap.bcmcTail[vap] != wd->ap.bcmcHead[vap])
- {
- //zm_msg0_mm(ZM_LV_0, "Send BCMC frames");
- psBuf = wd->ap.bcmcArray[vap][wd->ap.bcmcHead[vap]];
- wd->ap.bcmcHead[vap] = (wd->ap.bcmcHead[vap] + 1)
- & (ZM_BCMC_ARRAY_SIZE - 1);
- if (wd->ap.bcmcTail[vap] != wd->ap.bcmcHead[vap])
- {
- moreData = 0x20;
- }
- }
- zmw_leave_critical_section(dev);
- if (psBuf != NULL)
- {
- /* TODO : config moreData bit */
- zfTxSendEth(dev, psBuf, 0, ZM_EXTERNAL_ALLOC_BUF,
- moreData);
- }
- } while(psBuf != NULL);
-
- }
- }
- else
- {
- /* STA mode */
- if ( wd->sta.powerSaveMode > ZM_STA_PS_NONE )
- {
- /* send queued packets */
- for(i=0; i<wd->sta.staPSDataCount; i++)
- {
- zfTxSendEth(dev, wd->sta.staPSDataQueue[i], 0,
- ZM_EXTERNAL_ALLOC_BUF, 0);
- }
-
- wd->sta.staPSDataCount = 0;
- }
-
- if ( wd->wlanMode == ZM_MODE_IBSS )
- {
- zfStaSendBeacon(dev);
- wd->sta.ibssAtimTimer = ZM_BIT_15 | wd->sta.atimWindow;
- }
-
- zfPowerSavingMgrPreTBTTInterrupt(dev);
- }
- } //if (event == 0) //Beacon Event
- else if (event == 1) //Retry completed event
- {
- u32_t retryRate;
-
- retryRate = (u32_t)(rsp[6]) + (((u32_t)(rsp[7]))<<8)
- + (((u32_t)(rsp[8]))<<16) + (((u32_t)(rsp[9]))<<24);
- /* Degrade Tx Rate */
- if (wd->wlanMode == ZM_MODE_AP)
- {
- zmw_enter_critical_section(dev);
- i = zfApFindSta(dev, (u16_t*)rsp);
- if (i != 0xffff)
- {
- zfRateCtrlTxFailEvent(dev, &wd->ap.staTable[i].rcCell, 0,(u32_t)zfPhyCtrlToRate(retryRate));
- }
- zmw_leave_critical_section(dev);
- }
- else
- {
- zmw_enter_critical_section(dev);
- res = zfStaFindOppositeByMACAddr(dev, (u16_t*)rsp, &peerIdx);
- if ( res == 0 )
- {
- zfRateCtrlTxFailEvent(dev, &wd->sta.oppositeInfo[peerIdx].rcCell, 0,(u32_t)zfPhyCtrlToRate(retryRate));
- }
- zmw_leave_critical_section(dev);
- }
- } //else if (event == 1) //Retry completed event
- else if (event == 2) //Tx Fail event
- {
- u32_t retryRate;
-
- retryRate = (u32_t)(rsp[6]) + (((u32_t)(rsp[7]))<<8)
- + (((u32_t)(rsp[8]))<<16) + (((u32_t)(rsp[9]))<<24);
-
- /* Degrade Tx Rate */
- if (wd->wlanMode == ZM_MODE_AP)
- {
- zmw_enter_critical_section(dev);
- i = zfApFindSta(dev, (u16_t*)rsp);
- if (i != 0xffff)
- {
- zfRateCtrlTxFailEvent(dev, &wd->ap.staTable[i].rcCell, 0,(u32_t)zfPhyCtrlToRate(retryRate));
- }
- zmw_leave_critical_section(dev);
-
- zfApSendFailure(dev, rsp);
- }
- else
- {
- zmw_enter_critical_section(dev);
- res = zfStaFindOppositeByMACAddr(dev, (u16_t*)rsp, &peerIdx);
- if ( res == 0 )
- {
- zfRateCtrlTxFailEvent(dev, &wd->sta.oppositeInfo[peerIdx].rcCell, 0,(u32_t)zfPhyCtrlToRate(retryRate));
- }
- zmw_leave_critical_section(dev);
- }
- } //else if (event == 2) //Tx Fail event
- else if (event == 3) //Tx Comp event
- {
- u32_t retryRate;
-
- retryRate = (u32_t)(rsp[6]) + (((u32_t)(rsp[7]))<<8)
- + (((u32_t)(rsp[8]))<<16) + (((u32_t)(rsp[9]))<<24);
-
- /* TODO : Tx completed, used for rate control probing */
- if (wd->wlanMode == ZM_MODE_AP)
- {
- zmw_enter_critical_section(dev);
- i = zfApFindSta(dev, (u16_t*)rsp);
- if (i != 0xffff)
- {
- zfRateCtrlTxSuccessEvent(dev, &wd->ap.staTable[i].rcCell, zfPhyCtrlToRate(retryRate));
- }
- zmw_leave_critical_section(dev);
- }
- else
- {
- zmw_enter_critical_section(dev);
- res = zfStaFindOppositeByMACAddr(dev, (u16_t*)rsp, &peerIdx);
- if ( res == 0 )
- {
- zfRateCtrlTxSuccessEvent(dev, &wd->sta.oppositeInfo[peerIdx].rcCell, zfPhyCtrlToRate(retryRate));
- }
- zmw_leave_critical_section(dev);
- }
- } //else if (event == 3) //Tx Comp event
- else if (event == 4) //BA failed count
- {
- u32_t fail;
- u32_t rate;
- peerIdx = 0;
-
- fail=((u32_t*)rsp)[0] & 0xFFFF;
- rate=((u32_t*)rsp)[0] >> 16;
-
- if (rate > 15) {
- rate = (rate & 0xF) + 12 + 2;
- }
- else {
- rate = rate + 12;
- }
-
- zmw_enter_critical_section(dev);
- zfRateCtrlTxFailEvent(dev, &wd->sta.oppositeInfo[peerIdx].rcCell, (u8_t)rate, fail);
- zmw_leave_critical_section(dev);
- }
-}
-
-void zfBeaconCfgInterrupt(zdev_t* dev, u8_t* rsp)
-{
- u32_t txBeaconCounter;
-
- zmw_get_wlan_dev(dev);
-
- zmw_declare_for_critical_section();
-
- if ( wd->wlanMode == ZM_MODE_IBSS )
- {
- txBeaconCounter = *((u32_t *)rsp);
- if ( wd->sta.beaconTxCnt != txBeaconCounter )
- {
- wd->sta.txBeaconInd = 1;
-
- zmw_enter_critical_section(dev);
- wd->tickIbssSendBeacon = 0;
- zmw_leave_critical_section(dev);
- }
- else
- {
- wd->sta.txBeaconInd = 0;
- }
-
-#ifdef ZM_ENABLE_IBSS_DELAYED_JOIN_INDICATION
- if ( wd->sta.txBeaconInd && wd->sta.ibssDelayedInd )
- {
- if (wd->zfcbIbssPartnerNotify != NULL)
- {
- wd->zfcbIbssPartnerNotify(dev, 1, &wd->sta.ibssDelayedIndEvent);
- }
-
- wd->sta.ibssDelayedInd = 0;
- }
-#endif
-
- wd->sta.beaconTxCnt = txBeaconCounter;
-
- // Need to check if the time is expired after ATIM window??
-
- // Check if we have buffered any data for those stations that are sleeping
- // If it's true, then transmitting ATIM pkt to notify them
-
-#ifdef ZM_ENABLE_IBSS_PS
- // TODO: Need to check if the station receive our ATIM pkt???
- zfStaIbssPSSend(dev);
-
- if ( wd->sta.atimWindow == 0 )
- {
- // We won't receive the end of ATIM isr so we fake it
- zfPowerSavingMgrAtimWinExpired(dev);
- }
-#endif
- }
-}
-
-void zfEndOfAtimWindowInterrupt(zdev_t* dev)
-{
-#ifdef ZM_ENABLE_IBSS_PS
- zmw_get_wlan_dev(dev);
-
- if ( wd->wlanMode == ZM_MODE_IBSS )
- {
- // Transmit any queued pkt for the stations!!
- zfPowerSavingMgrAtimWinExpired(dev);
- }
-#endif
-}
projects / mv-sheeva.git / blobdiff