diff options
Diffstat (limited to 'drivers/staging/rt3070/common/netif_block.c')
| -rw-r--r-- | drivers/staging/rt3070/common/netif_block.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/staging/rt3070/common/netif_block.c b/drivers/staging/rt3070/common/netif_block.c new file mode 100644 index 000000000000..4773c11bedd0 --- /dev/null +++ b/drivers/staging/rt3070/common/netif_block.c @@ -0,0 +1,136 @@ +/* + ************************************************************************* + * 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 WDS_SUPPORT + if (RTMP_GET_PACKET_NET_DEVICE(pPacket) >= MIN_NET_DEVICE_FOR_WDS) + { + IfIdx = (RTMP_GET_PACKET_NET_DEVICE(pPacket) - MIN_NET_DEVICE_FOR_WDS) % MAX_WDS_ENTRY; + NetDev = pAd->WdsTab.WdsEntry[IfIdx].dev; + } + else +#endif // WDS_SUPPORT // + { +#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; +} + |