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/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
*/
#include "../rt_config.h"
#include "netif_block.h"
static NETIF_ENTRY freeNetIfEntryPool[FREE_NETIF_POOL_SIZE];
static LIST_HEADER freeNetIfEntryList;
void initblockQueueTab(
IN PRTMP_ADAPTER pAd)
{
int i;
initList(&freeNetIfEntryList);
for (i = 0; i < FREE_NETIF_POOL_SIZE; i++)
insertTailList(&freeNetIfEntryList, (PLIST_ENTRY)&freeNetIfEntryPool[i]);
for (i=0; i < NUM_OF_TX_RING; i++)
initList(&pAd->blockQueueTab[i].NetIfList);
return;
}
BOOLEAN blockNetIf(
IN PBLOCK_QUEUE_ENTRY pBlockQueueEntry,
IN PNET_DEV pNetDev)
{
PNETIF_ENTRY pNetIfEntry = NULL;
if ((pNetIfEntry = (PNETIF_ENTRY)removeHeadList(&freeNetIfEntryList)) != NULL)
{
netif_stop_queue(pNetDev);
pNetIfEntry->pNetDev = pNetDev;
insertTailList(&pBlockQueueEntry->NetIfList, (PLIST_ENTRY)pNetIfEntry);
pBlockQueueEntry->SwTxQueueBlockFlag = TRUE;
DBGPRINT(RT_DEBUG_TRACE, ("netif_stop_queue(%s)\n", pNetDev->name));
}
else
return FALSE;
return TRUE;
}
VOID releaseNetIf(
IN PBLOCK_QUEUE_ENTRY pBlockQueueEntry)
{
PNETIF_ENTRY pNetIfEntry = NULL;
PLIST_HEADER pNetIfList = &pBlockQueueEntry->NetIfList;
while((pNetIfEntry = (PNETIF_ENTRY)removeHeadList(pNetIfList)) != NULL)
{
PNET_DEV pNetDev = pNetIfEntry->pNetDev;
netif_wake_queue(pNetDev);
insertTailList(&freeNetIfEntryList, (PLIST_ENTRY)pNetIfEntry);
DBGPRINT(RT_DEBUG_TRACE, ("netif_wake_queue(%s)\n", pNetDev->name));
}
pBlockQueueEntry->SwTxQueueBlockFlag = FALSE;
return;
}
VOID StopNetIfQueue(
IN PRTMP_ADAPTER pAd,
IN UCHAR QueIdx,
IN PNDIS_PACKET pPacket)
{
PNET_DEV NetDev = NULL;
UCHAR IfIdx = 0;
BOOLEAN valid = FALSE;
{
#ifdef MBSS_SUPPORT
if (pAd->OpMode == OPMODE_AP)
{
IfIdx = (RTMP_GET_PACKET_NET_DEVICE(pPacket) - MIN_NET_DEVICE_FOR_MBSSID) % MAX_MBSSID_NUM;
NetDev = pAd->ApCfg.MBSSID[IfIdx].MSSIDDev;
}
else
{
IfIdx = MAIN_MBSSID;
NetDev = pAd->net_dev;
}
#else
IfIdx = MAIN_MBSSID;
NetDev = pAd->net_dev;
#endif
}
// WMM support 4 software queues.
// One software queue full doesn't mean device have no capbility to transmit packet.
// So disable block Net-If queue function while WMM enable.
#ifdef CONFIG_STA_SUPPORT
IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
valid = (pAd->CommonCfg.bWmmCapable == TRUE) ? FALSE : TRUE;
#endif // CONFIG_STA_SUPPORT //
if (valid)
blockNetIf(&pAd->blockQueueTab[QueIdx], NetDev);
return;
}
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