/*
========================================================================
Routine Description:
Arguments:
Return Value:
IRQL =
Note:
========================================================================
*/
NDIS_STATUS RTUSBEnqueueInternalCmd(
IN PRTMP_ADAPTER pAd,
IN NDIS_OID Oid,
IN PVOID pInformationBuffer,
IN UINT32 InformationBufferLength)
{
NDIS_STATUS status;
PCmdQElmt cmdqelmt = NULL;
status = RTMPAllocateMemory((PVOID *)&cmdqelmt, sizeof(CmdQElmt));
if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt == NULL))
return (NDIS_STATUS_RESOURCES);
NdisZeroMemory(cmdqelmt, sizeof(CmdQElmt));
if(InformationBufferLength > 0)
{
status = RTMPAllocateMemory((PVOID *)&cmdqelmt->buffer, InformationBufferLength);
if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt->buffer == NULL))
{
NdisFreeMemory(cmdqelmt, sizeof(CmdQElmt), 0);
return (NDIS_STATUS_RESOURCES);
}
else
{
NdisMoveMemory(cmdqelmt->buffer, pInformationBuffer, InformationBufferLength);
cmdqelmt->bufferlength = InformationBufferLength;
}
}
else
{
cmdqelmt->buffer = NULL;
cmdqelmt->bufferlength = 0;
}
cmdqelmt->command = Oid;
cmdqelmt->CmdFromNdis = FALSE;
if (cmdqelmt != NULL)
{
NdisAcquireSpinLock(&pAd->CmdQLock);
if (pAd->CmdQ.CmdQState & RT2870_THREAD_CAN_DO_INSERT)
{
EnqueueCmd((&pAd->CmdQ), cmdqelmt);
status = NDIS_STATUS_SUCCESS;
}
else
{
status = NDIS_STATUS_FAILURE;
}
NdisReleaseSpinLock(&pAd->CmdQLock);
if (status == NDIS_STATUS_FAILURE)
{
if (cmdqelmt->buffer)
NdisFreeMemory(cmdqelmt->buffer, cmdqelmt->bufferlength, 0);
NdisFreeMemory(cmdqelmt, sizeof(CmdQElmt), 0);
}
else
RTUSBCMDUp(pAd);
}
return(NDIS_STATUS_SUCCESS);
}
/*
========================================================================
Routine Description:
Arguments:
Return Value:
IRQL =
Note:
========================================================================
*/
NDIS_STATUS RTUSBEnqueueCmdFromNdis(
IN PRTMP_ADAPTER pAd,
IN NDIS_OID Oid,
IN BOOLEAN SetInformation,
IN PVOID pInformationBuffer,
IN UINT32 InformationBufferLength)
{
NDIS_STATUS status;
PCmdQElmt cmdqelmt = NULL;
POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
#ifndef RT30xx
CHECK_PID_LEGALITY(pObj->RTUSBCmdThr_pid)
#endif
#ifdef RT30xx
if (pObj->RTUSBCmdThr_pid < 0)
#endif
return (NDIS_STATUS_RESOURCES);
status = RTMPAllocateMemory((PVOID *)&cmdqelmt, sizeof(CmdQElmt));
if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt == NULL))
return (NDIS_STATUS_RESOURCES);
cmdqelmt->buffer = NULL;
if (pInformationBuffer != NULL)
{
status = RTMPAllocateMemory((PVOID *)&cmdqelmt->buffer, InformationBufferLength);
if ((status != NDIS_STATUS_SUCCESS) || (cmdqelmt->buffer == NULL))
{
kfree(cmdqelmt);
return (NDIS_STATUS_RESOURCES);
}
else
{
NdisMoveMemory(cmdqelmt->buffer, pInformationBuffer, InformationBufferLength);
cmdqelmt->bufferlength = InformationBufferLength;
}
}
else
cmdqelmt->bufferlength = 0;
cmdqelmt->command = Oid;
cmdqelmt->CmdFromNdis = TRUE;
if (SetInformation == TRUE)
cmdqelmt->SetOperation = TRUE;
else
cmdqelmt->SetOperation = FALSE;
NdisAcquireSpinLock(&pAd->CmdQLock);
if (pAd->CmdQ.CmdQState & RT2870_THREAD_CAN_DO_INSERT)
{
EnqueueCmd((&pAd->CmdQ), cmdqelmt);
status = NDIS_STATUS_SUCCESS;
}
else
{
status = NDIS_STATUS_FAILURE;
}
NdisReleaseSpinLock(&pAd->CmdQLock);
if (status == NDIS_STATUS_FAILURE)
{
if (cmdqelmt->buffer)
NdisFreeMemory(cmdqelmt->buffer, cmdqelmt->bufferlength, 0);
NdisFreeMemory(cmdqelmt, sizeof(CmdQElmt), 0);
}
else
RTUSBCMDUp(pAd);
return(NDIS_STATUS_SUCCESS);
}
static int usb_rtusb_close_device(
IN PRTMP_ADAPTER pAd)
{
int i = 0;
int ret;
DECLARE_WAIT_QUEUE_HEAD (unlink_wakeup);
DECLARE_WAITQUEUE (wait, current);
DBGPRINT(RT_DEBUG_TRACE, "-->usb_rtusb_close_device \n");
// ensure there are no more active urbs.
add_wait_queue (&unlink_wakeup, &wait);
pAd->wait = &unlink_wakeup;
// maybe wait for deletions to finish.
while ((i < 25) && atomic_read(&pAd->PendingRx) > 0)
{
#if LINUX_VERSION_CODE >KERNEL_VERSION(2,6,9)
msleep(UNLINK_TIMEOUT_MS);
#endif
i++;
}
pAd->wait = NULL;
remove_wait_queue (&unlink_wakeup, &wait);
if (pAd->MLMEThr_pid >= 0)
{
mlme_kill = 1;
RTUSBMlmeUp(pAd);
wmb(); // need to check
ret = KILL_THREAD_PID (pAd->MLMEThr_pid, SIGTERM, 1);
if (ret)
{
printk (KERN_WARNING "%s: unable to Mlme thread \n", pAd->net_dev->name);
}
wait_for_completion (&pAd->MlmeThreadNotify);
// reset mlme thread
pAd->MLMEThr_pid = THREAD_PID_INIT_VALUE;
}
if (pAd->RTUSBCmdThr_pid>= 0)
{
RTUSBCmd_kill = 1;
RTUSBCMDUp(pAd);
wmb(); // need to check
ret = KILL_THREAD_PID (pAd->RTUSBCmdThr_pid, SIGTERM, 1);
if (ret)
{
printk (KERN_WARNING "%s: unable to RTUSBCmd thread \n", pAd->net_dev->name);
}
wait_for_completion (&pAd->CmdThreadNotify);
// reset cmd thread
pAd->RTUSBCmdThr_pid= THREAD_PID_INIT_VALUE;
}
RTUSBHalt(pAd, TRUE);
RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
tasklet_kill(&pAd->rx_bh);
DBGPRINT(RT_DEBUG_TRACE,"<--usb_rtusb_close_device \n");
return 0;
}
