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path: root/drivers/staging/rt2860/usb_main_dev.c
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Diffstat (limited to 'drivers/staging/rt2860/usb_main_dev.c')
-rw-r--r--drivers/staging/rt2860/usb_main_dev.c887
1 files changed, 887 insertions, 0 deletions
diff --git a/drivers/staging/rt2860/usb_main_dev.c b/drivers/staging/rt2860/usb_main_dev.c
new file mode 100644
index 000000000000..925a236e1044
--- /dev/null
+++ b/drivers/staging/rt2860/usb_main_dev.c
@@ -0,0 +1,887 @@
+/*
+ *************************************************************************
+ * 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"
+
+/* Following information will be show when you run 'modinfo' */
+/* *** If you have a solution for the bug in current version of driver, please mail to me. */
+/* Otherwise post to forum in ralinktech's web site(www.ralinktech.com) and let all users help you. *** */
+MODULE_AUTHOR("Paul Lin <paul_lin@ralinktech.com>");
+MODULE_DESCRIPTION("RT2870/RT3070 Wireless Lan Linux Driver");
+MODULE_LICENSE("GPL");
+#ifdef MODULE_VERSION
+MODULE_VERSION(STA_DRIVER_VERSION);
+#endif
+
+/* module table */
+struct usb_device_id rtusb_usb_id[] = {
+#ifdef RT2870
+ {USB_DEVICE(0x148F, 0x2770)}, /* Ralink */
+ {USB_DEVICE(0x148F, 0x2870)}, /* Ralink */
+ {USB_DEVICE(0x07B8, 0x2870)}, /* AboCom */
+ {USB_DEVICE(0x07B8, 0x2770)}, /* AboCom */
+ {USB_DEVICE(0x0DF6, 0x0039)}, /* Sitecom 2770 */
+ {USB_DEVICE(0x083A, 0x7512)}, /* Arcadyan 2770 */
+ {USB_DEVICE(0x0789, 0x0162)}, /* Logitec 2870 */
+ {USB_DEVICE(0x0789, 0x0163)}, /* Logitec 2870 */
+ {USB_DEVICE(0x0789, 0x0164)}, /* Logitec 2870 */
+ {USB_DEVICE(0x177f, 0x0302)}, /* lsusb */
+ {USB_DEVICE(0x0B05, 0x1731)}, /* Asus */
+ {USB_DEVICE(0x0B05, 0x1732)}, /* Asus */
+ {USB_DEVICE(0x0B05, 0x1742)}, /* Asus */
+ {USB_DEVICE(0x0DF6, 0x0017)}, /* Sitecom */
+ {USB_DEVICE(0x0DF6, 0x002B)}, /* Sitecom */
+ {USB_DEVICE(0x0DF6, 0x002C)}, /* Sitecom */
+ {USB_DEVICE(0x0DF6, 0x002D)}, /* Sitecom */
+ {USB_DEVICE(0x14B2, 0x3C06)}, /* Conceptronic */
+ {USB_DEVICE(0x14B2, 0x3C28)}, /* Conceptronic */
+ {USB_DEVICE(0x2019, 0xED06)}, /* Planex Communications, Inc. */
+ {USB_DEVICE(0x07D1, 0x3C09)}, /* D-Link */
+ {USB_DEVICE(0x07D1, 0x3C11)}, /* D-Link */
+ {USB_DEVICE(0x14B2, 0x3C07)}, /* AL */
+ {USB_DEVICE(0x050D, 0x8053)}, /* Belkin */
+ {USB_DEVICE(0x14B2, 0x3C23)}, /* Airlink */
+ {USB_DEVICE(0x14B2, 0x3C27)}, /* Airlink */
+ {USB_DEVICE(0x07AA, 0x002F)}, /* Corega */
+ {USB_DEVICE(0x07AA, 0x003C)}, /* Corega */
+ {USB_DEVICE(0x07AA, 0x003F)}, /* Corega */
+ {USB_DEVICE(0x1044, 0x800B)}, /* Gigabyte */
+ {USB_DEVICE(0x15A9, 0x0006)}, /* Sparklan */
+ {USB_DEVICE(0x083A, 0xB522)}, /* SMC */
+ {USB_DEVICE(0x083A, 0xA618)}, /* SMC */
+ {USB_DEVICE(0x083A, 0x8522)}, /* Arcadyan */
+ {USB_DEVICE(0x083A, 0x7522)}, /* Arcadyan */
+ {USB_DEVICE(0x0CDE, 0x0022)}, /* ZCOM */
+ {USB_DEVICE(0x0586, 0x3416)}, /* Zyxel */
+ {USB_DEVICE(0x0CDE, 0x0025)}, /* Zyxel */
+ {USB_DEVICE(0x1740, 0x9701)}, /* EnGenius */
+ {USB_DEVICE(0x1740, 0x9702)}, /* EnGenius */
+ {USB_DEVICE(0x0471, 0x200f)}, /* Philips */
+ {USB_DEVICE(0x14B2, 0x3C25)}, /* Draytek */
+ {USB_DEVICE(0x13D3, 0x3247)}, /* AzureWave */
+ {USB_DEVICE(0x083A, 0x6618)}, /* Accton */
+ {USB_DEVICE(0x15c5, 0x0008)}, /* Amit */
+ {USB_DEVICE(0x0E66, 0x0001)}, /* Hawking */
+ {USB_DEVICE(0x0E66, 0x0003)}, /* Hawking */
+ {USB_DEVICE(0x129B, 0x1828)}, /* Siemens */
+ {USB_DEVICE(0x157E, 0x300E)}, /* U-Media */
+ {USB_DEVICE(0x050d, 0x805c)},
+ {USB_DEVICE(0x050d, 0x815c)},
+ {USB_DEVICE(0x1482, 0x3C09)}, /* Abocom */
+ {USB_DEVICE(0x14B2, 0x3C09)}, /* Alpha */
+ {USB_DEVICE(0x04E8, 0x2018)}, /* samsung */
+ {USB_DEVICE(0x5A57, 0x0280)}, /* Zinwell */
+ {USB_DEVICE(0x5A57, 0x0282)}, /* Zinwell */
+ {USB_DEVICE(0x7392, 0x7718)},
+ {USB_DEVICE(0x7392, 0x7717)},
+ {USB_DEVICE(0x1737, 0x0070)}, /* Linksys WUSB100 */
+ {USB_DEVICE(0x1737, 0x0071)}, /* Linksys WUSB600N */
+ {USB_DEVICE(0x0411, 0x00e8)}, /* Buffalo WLI-UC-G300N */
+ {USB_DEVICE(0x050d, 0x815c)}, /* Belkin F5D8053 */
+#endif /* RT2870 // */
+#ifdef RT3070
+ {USB_DEVICE(0x148F, 0x3070)}, /* Ralink 3070 */
+ {USB_DEVICE(0x148F, 0x3071)}, /* Ralink 3071 */
+ {USB_DEVICE(0x148F, 0x3072)}, /* Ralink 3072 */
+ {USB_DEVICE(0x0DB0, 0x3820)}, /* Ralink 3070 */
+ {USB_DEVICE(0x0DF6, 0x003E)}, /* Sitecom 3070 */
+ {USB_DEVICE(0x0DF6, 0x0042)}, /* Sitecom 3072 */
+ {USB_DEVICE(0x14B2, 0x3C12)}, /* AL 3070 */
+ {USB_DEVICE(0x18C5, 0x0012)}, /* Corega 3070 */
+ {USB_DEVICE(0x083A, 0x7511)}, /* Arcadyan 3070 */
+ {USB_DEVICE(0x1740, 0x9703)}, /* EnGenius 3070 */
+ {USB_DEVICE(0x1740, 0x9705)}, /* EnGenius 3071 */
+ {USB_DEVICE(0x1740, 0x9706)}, /* EnGenius 3072 */
+ {USB_DEVICE(0x13D3, 0x3273)}, /* AzureWave 3070 */
+ {USB_DEVICE(0x1044, 0x800D)}, /* Gigabyte GN-WB32L 3070 */
+ {USB_DEVICE(0x2019, 0xAB25)}, /* Planex Communications, Inc. RT3070 */
+ {USB_DEVICE(0x07B8, 0x3070)}, /* AboCom 3070 */
+ {USB_DEVICE(0x07B8, 0x3071)}, /* AboCom 3071 */
+ {USB_DEVICE(0x07B8, 0x3072)}, /* Abocom 3072 */
+ {USB_DEVICE(0x7392, 0x7711)}, /* Edimax 3070 */
+ {USB_DEVICE(0x1A32, 0x0304)}, /* Quanta 3070 */
+ {USB_DEVICE(0x1EDA, 0x2310)}, /* AirTies 3070 */
+ {USB_DEVICE(0x07D1, 0x3C0A)}, /* D-Link 3072 */
+ {USB_DEVICE(0x07D1, 0x3C0D)}, /* D-Link 3070 */
+ {USB_DEVICE(0x07D1, 0x3C0E)}, /* D-Link 3070 */
+ {USB_DEVICE(0x07D1, 0x3C0F)}, /* D-Link 3070 */
+ {USB_DEVICE(0x1D4D, 0x000C)}, /* Pegatron Corporation 3070 */
+ {USB_DEVICE(0x1D4D, 0x000E)}, /* Pegatron Corporation 3070 */
+ {USB_DEVICE(0x5A57, 0x5257)}, /* Zinwell 3070 */
+ {USB_DEVICE(0x5A57, 0x0283)}, /* Zinwell 3072 */
+ {USB_DEVICE(0x04BB, 0x0945)}, /* I-O DATA 3072 */
+ {USB_DEVICE(0x203D, 0x1480)}, /* Encore 3070 */
+#endif /* RT3070 // */
+ {USB_DEVICE(0x0DF6, 0x003F)}, /* Sitecom WL-608 */
+ {USB_DEVICE(0x1737, 0x0077)}, /* Linksys WUSB54GC-EU v3 */
+ {USB_DEVICE(0x2001, 0x3C09)}, /* D-Link */
+ {USB_DEVICE(0x2001, 0x3C0A)}, /* D-Link 3072 */
+ {USB_DEVICE(0x2019, 0xED14)}, /* Planex Communications, Inc. */
+ {} /* Terminating entry */
+};
+
+int const rtusb_usb_id_len =
+ sizeof(rtusb_usb_id) / sizeof(struct usb_device_id);
+
+MODULE_DEVICE_TABLE(usb, rtusb_usb_id);
+
+static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd);
+
+static int __devinit rt2870_probe(IN struct usb_interface *intf,
+ IN struct usb_device *usb_dev,
+ IN const struct usb_device_id *dev_id,
+ struct rt_rtmp_adapter ** ppAd);
+
+#ifndef PF_NOFREEZE
+#define PF_NOFREEZE 0
+#endif
+
+extern int rt28xx_close(IN struct net_device *net_dev);
+extern int rt28xx_open(struct net_device *net_dev);
+
+static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
+ IN struct usb_interface *intf,
+ struct rt_rtmp_adapter *pAd);
+
+/*
+========================================================================
+Routine Description:
+ Check the chipset vendor/product ID.
+
+Arguments:
+ _dev_p Point to the PCI or USB device
+
+Return Value:
+ TRUE Check ok
+ FALSE Check fail
+
+Note:
+========================================================================
+*/
+BOOLEAN RT28XXChipsetCheck(IN void *_dev_p)
+{
+ struct usb_interface *intf = (struct usb_interface *)_dev_p;
+ struct usb_device *dev_p = interface_to_usbdev(intf);
+ u32 i;
+
+ for (i = 0; i < rtusb_usb_id_len; i++) {
+ if (dev_p->descriptor.idVendor == rtusb_usb_id[i].idVendor &&
+ dev_p->descriptor.idProduct == rtusb_usb_id[i].idProduct) {
+ printk("rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
+ dev_p->descriptor.idVendor,
+ dev_p->descriptor.idProduct);
+ break;
+ }
+ }
+
+ if (i == rtusb_usb_id_len) {
+ printk("rt2870: Error! Device Descriptor not matching!\n");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/**************************************************************************/
+/**************************************************************************/
+/*tested for kernel 2.6series */
+/**************************************************************************/
+/**************************************************************************/
+
+#ifdef CONFIG_PM
+static int rt2870_suspend(struct usb_interface *intf, pm_message_t state);
+static int rt2870_resume(struct usb_interface *intf);
+#endif /* CONFIG_PM // */
+
+static int rtusb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id);
+static void rtusb_disconnect(struct usb_interface *intf);
+
+static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
+ IN struct usb_interface *intf,
+ struct rt_rtmp_adapter *pAd)
+{
+ struct usb_host_interface *iface_desc;
+ unsigned long BulkOutIdx;
+ u32 i;
+
+ /* get the active interface descriptor */
+ iface_desc = intf->cur_altsetting;
+
+ /* get # of enpoints */
+ pAd->NumberOfPipes = iface_desc->desc.bNumEndpoints;
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("NumEndpoints=%d\n", iface_desc->desc.bNumEndpoints));
+
+ /* Configure Pipes */
+ BulkOutIdx = 0;
+
+ for (i = 0; i < pAd->NumberOfPipes; i++) {
+ if ((iface_desc->endpoint[i].desc.bmAttributes ==
+ USB_ENDPOINT_XFER_BULK) &&
+ ((iface_desc->endpoint[i].desc.bEndpointAddress &
+ USB_ENDPOINT_DIR_MASK) == USB_DIR_IN)) {
+ pAd->BulkInEpAddr =
+ iface_desc->endpoint[i].desc.bEndpointAddress;
+ pAd->BulkInMaxPacketSize =
+ le2cpu16(iface_desc->endpoint[i].desc.
+ wMaxPacketSize);
+
+ DBGPRINT_RAW(RT_DEBUG_TRACE,
+ ("BULK IN MaxPacketSize = %d\n",
+ pAd->BulkInMaxPacketSize));
+ DBGPRINT_RAW(RT_DEBUG_TRACE,
+ ("EP address = 0x%2x\n",
+ iface_desc->endpoint[i].desc.
+ bEndpointAddress));
+ } else
+ if ((iface_desc->endpoint[i].desc.bmAttributes ==
+ USB_ENDPOINT_XFER_BULK)
+ &&
+ ((iface_desc->endpoint[i].desc.
+ bEndpointAddress & USB_ENDPOINT_DIR_MASK) ==
+ USB_DIR_OUT)) {
+ /* there are 6 bulk out EP. EP6 highest priority. */
+ /* EP1-4 is EDCA. EP5 is HCCA. */
+ pAd->BulkOutEpAddr[BulkOutIdx++] =
+ iface_desc->endpoint[i].desc.bEndpointAddress;
+ pAd->BulkOutMaxPacketSize =
+ le2cpu16(iface_desc->endpoint[i].desc.
+ wMaxPacketSize);
+
+ DBGPRINT_RAW(RT_DEBUG_TRACE,
+ ("BULK OUT MaxPacketSize = %d\n",
+ pAd->BulkOutMaxPacketSize));
+ DBGPRINT_RAW(RT_DEBUG_TRACE,
+ ("EP address = 0x%2x \n",
+ iface_desc->endpoint[i].desc.
+ bEndpointAddress));
+ }
+ }
+
+ if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0])) {
+ printk
+ ("%s: Could not find both bulk-in and bulk-out endpoints\n",
+ __FUNCTION__);
+ return FALSE;
+ }
+
+ pAd->config = &dev->config->desc;
+ usb_set_intfdata(intf, pAd);
+
+ return TRUE;
+
+}
+
+static int rtusb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct rt_rtmp_adapter *pAd;
+ struct usb_device *dev;
+ int rv;
+
+ dev = interface_to_usbdev(intf);
+ dev = usb_get_dev(dev);
+
+ rv = rt2870_probe(intf, dev, id, &pAd);
+ if (rv != 0)
+ usb_put_dev(dev);
+
+ return rv;
+}
+
+static void rtusb_disconnect(struct usb_interface *intf)
+{
+ struct usb_device *dev = interface_to_usbdev(intf);
+ struct rt_rtmp_adapter *pAd;
+
+ pAd = usb_get_intfdata(intf);
+ usb_set_intfdata(intf, NULL);
+
+ rt2870_disconnect(dev, pAd);
+}
+
+struct usb_driver rtusb_driver = {
+ .name = "rt2870",
+ .probe = rtusb_probe,
+ .disconnect = rtusb_disconnect,
+ .id_table = rtusb_usb_id,
+
+#ifdef CONFIG_PM
+suspend:rt2870_suspend,
+resume:rt2870_resume,
+#endif
+};
+
+#ifdef CONFIG_PM
+
+void RT2870RejectPendingPackets(struct rt_rtmp_adapter *pAd)
+{
+ /* clear PS packets */
+ /* clear TxSw packets */
+}
+
+static int rt2870_suspend(struct usb_interface *intf, pm_message_t state)
+{
+ struct net_device *net_dev;
+ struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf);
+
+ DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_suspend()\n"));
+ net_dev = pAd->net_dev;
+ netif_device_detach(net_dev);
+
+ pAd->PM_FlgSuspend = 1;
+ if (netif_running(net_dev)) {
+ RTUSBCancelPendingBulkInIRP(pAd);
+ RTUSBCancelPendingBulkOutIRP(pAd);
+ }
+ DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_suspend()\n"));
+ return 0;
+}
+
+static int rt2870_resume(struct usb_interface *intf)
+{
+ struct net_device *net_dev;
+ struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf);
+
+ DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_resume()\n"));
+
+ pAd->PM_FlgSuspend = 0;
+ net_dev = pAd->net_dev;
+ netif_device_attach(net_dev);
+ netif_start_queue(net_dev);
+ netif_carrier_on(net_dev);
+ netif_wake_queue(net_dev);
+
+ DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_resume()\n"));
+ return 0;
+}
+#endif /* CONFIG_PM // */
+
+/* Init driver module */
+int __init rtusb_init(void)
+{
+ printk("rtusb init --->\n");
+ return usb_register(&rtusb_driver);
+}
+
+/* Deinit driver module */
+void __exit rtusb_exit(void)
+{
+ usb_deregister(&rtusb_driver);
+ printk("<--- rtusb exit\n");
+}
+
+module_init(rtusb_init);
+module_exit(rtusb_exit);
+
+/*--------------------------------------------------------------------- */
+/* function declarations */
+/*--------------------------------------------------------------------- */
+
+/*
+========================================================================
+Routine Description:
+ MLME kernel thread.
+
+Arguments:
+ *Context the pAd, driver control block pointer
+
+Return Value:
+ 0 close the thread
+
+Note:
+========================================================================
+*/
+int MlmeThread(IN void *Context)
+{
+ struct rt_rtmp_adapter *pAd;
+ struct rt_rtmp_os_task *pTask;
+ int status;
+ status = 0;
+
+ pTask = (struct rt_rtmp_os_task *)Context;
+ pAd = (struct rt_rtmp_adapter *)pTask->priv;
+
+ RtmpOSTaskCustomize(pTask);
+
+ while (!pTask->task_killed) {
+#ifdef KTHREAD_SUPPORT
+ RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask);
+#else
+ RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status);
+
+ /* unlock the device pointers */
+ if (status != 0) {
+ RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
+ break;
+ }
+#endif
+
+ /* lock the device pointers , need to check if required */
+ /*down(&(pAd->usbdev_semaphore)); */
+
+ if (!pAd->PM_FlgSuspend)
+ MlmeHandler(pAd);
+ }
+
+ /* notify the exit routine that we're actually exiting now
+ *
+ * complete()/wait_for_completion() is similar to up()/down(),
+ * except that complete() is safe in the case where the structure
+ * is getting deleted in a parallel mode of execution (i.e. just
+ * after the down() -- that's necessary for the thread-shutdown
+ * case.
+ *
+ * complete_and_exit() goes even further than this -- it is safe in
+ * the case that the thread of the caller is going away (not just
+ * the structure) -- this is necessary for the module-remove case.
+ * This is important in preemption kernels, which transfer the flow
+ * of execution immediately upon a complete().
+ */
+ DBGPRINT(RT_DEBUG_TRACE, ("<---%s\n", __FUNCTION__));
+#ifndef KTHREAD_SUPPORT
+ pTask->taskPID = THREAD_PID_INIT_VALUE;
+ complete_and_exit(&pTask->taskComplete, 0);
+#endif
+ return 0;
+
+}
+
+/*
+========================================================================
+Routine Description:
+ USB command kernel thread.
+
+Arguments:
+ *Context the pAd, driver control block pointer
+
+Return Value:
+ 0 close the thread
+
+Note:
+========================================================================
+*/
+int RTUSBCmdThread(IN void *Context)
+{
+ struct rt_rtmp_adapter *pAd;
+ struct rt_rtmp_os_task *pTask;
+ int status;
+ status = 0;
+
+ pTask = (struct rt_rtmp_os_task *)Context;
+ pAd = (struct rt_rtmp_adapter *)pTask->priv;
+
+ RtmpOSTaskCustomize(pTask);
+
+ NdisAcquireSpinLock(&pAd->CmdQLock);
+ pAd->CmdQ.CmdQState = RTMP_TASK_STAT_RUNNING;
+ NdisReleaseSpinLock(&pAd->CmdQLock);
+
+ while (pAd && pAd->CmdQ.CmdQState == RTMP_TASK_STAT_RUNNING) {
+#ifdef KTHREAD_SUPPORT
+ RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask);
+#else
+ /* lock the device pointers */
+ RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status);
+
+ if (status != 0) {
+ RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
+ break;
+ }
+#endif
+
+ if (pAd->CmdQ.CmdQState == RTMP_TASK_STAT_STOPED)
+ break;
+
+ if (!pAd->PM_FlgSuspend)
+ CMDHandler(pAd);
+ }
+
+ if (pAd && !pAd->PM_FlgSuspend) { /* Clear the CmdQElements. */
+ struct rt_cmdqelmt *pCmdQElmt = NULL;
+
+ NdisAcquireSpinLock(&pAd->CmdQLock);
+ pAd->CmdQ.CmdQState = RTMP_TASK_STAT_STOPED;
+ while (pAd->CmdQ.size) {
+ RTUSBDequeueCmd(&pAd->CmdQ, &pCmdQElmt);
+ if (pCmdQElmt) {
+ if (pCmdQElmt->CmdFromNdis == TRUE) {
+ if (pCmdQElmt->buffer != NULL)
+ os_free_mem(pAd,
+ pCmdQElmt->buffer);
+ os_free_mem(pAd, (u8 *)pCmdQElmt);
+ } else {
+ if ((pCmdQElmt->buffer != NULL)
+ && (pCmdQElmt->bufferlength != 0))
+ os_free_mem(pAd,
+ pCmdQElmt->buffer);
+ os_free_mem(pAd, (u8 *)pCmdQElmt);
+ }
+ }
+ }
+
+ NdisReleaseSpinLock(&pAd->CmdQLock);
+ }
+ /* notify the exit routine that we're actually exiting now
+ *
+ * complete()/wait_for_completion() is similar to up()/down(),
+ * except that complete() is safe in the case where the structure
+ * is getting deleted in a parallel mode of execution (i.e. just
+ * after the down() -- that's necessary for the thread-shutdown
+ * case.
+ *
+ * complete_and_exit() goes even further than this -- it is safe in
+ * the case that the thread of the caller is going away (not just
+ * the structure) -- this is necessary for the module-remove case.
+ * This is important in preemption kernels, which transfer the flow
+ * of execution immediately upon a complete().
+ */
+ DBGPRINT(RT_DEBUG_TRACE, ("<---RTUSBCmdThread\n"));
+
+#ifndef KTHREAD_SUPPORT
+ pTask->taskPID = THREAD_PID_INIT_VALUE;
+ complete_and_exit(&pTask->taskComplete, 0);
+#endif
+ return 0;
+
+}
+
+void RTUSBWatchDog(struct rt_rtmp_adapter *pAd)
+{
+ struct rt_ht_tx_context *pHTTXContext;
+ int idx;
+ unsigned long irqFlags;
+ PURB pUrb;
+ BOOLEAN needDumpSeq = FALSE;
+ u32 MACValue;
+ u32 TxRxQ_Pcnt;
+
+ idx = 0;
+ RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
+ if ((MACValue & 0xff) != 0) {
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("TX QUEUE 0 Not EMPTY(Value=0x%0x)!\n",
+ MACValue));
+ RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40012);
+ while ((MACValue & 0xff) != 0 && (idx++ < 10)) {
+ RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
+ RTMPusecDelay(1);
+ }
+ RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40006);
+ }
+
+ if (pAd->watchDogRxOverFlowCnt >= 2) {
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("Maybe the Rx Bulk-In hanged! Cancel the pending Rx bulks request!\n"));
+ if ((!RTMP_TEST_FLAG
+ (pAd,
+ (fRTMP_ADAPTER_RESET_IN_PROGRESS |
+ fRTMP_ADAPTER_BULKIN_RESET |
+ fRTMP_ADAPTER_HALT_IN_PROGRESS |
+ fRTMP_ADAPTER_NIC_NOT_EXIST)))) {
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("Call CMDTHREAD_RESET_BULK_IN to cancel the pending Rx Bulk!\n"));
+ RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BULKIN_RESET);
+ RTUSBEnqueueInternalCmd(pAd, CMDTHREAD_RESET_BULK_IN,
+ NULL, 0);
+ needDumpSeq = TRUE;
+ }
+ pAd->watchDogRxOverFlowCnt = 0;
+ }
+
+ RTUSBReadMACRegister(pAd, 0x438, &TxRxQ_Pcnt);
+
+ for (idx = 0; idx < NUM_OF_TX_RING; idx++) {
+ pUrb = NULL;
+
+ RTMP_IRQ_LOCK(&pAd->BulkOutLock[idx], irqFlags);
+ if ((pAd->BulkOutPending[idx] == TRUE)
+ && pAd->watchDogTxPendingCnt) {
+ int actual_length = 0, transfer_buffer_length = 0;
+ BOOLEAN isDataPacket = FALSE;
+ pAd->watchDogTxPendingCnt[idx]++;
+
+ if ((pAd->watchDogTxPendingCnt[idx] > 2) &&
+ (!RTMP_TEST_FLAG
+ (pAd,
+ (fRTMP_ADAPTER_RESET_IN_PROGRESS |
+ fRTMP_ADAPTER_HALT_IN_PROGRESS |
+ fRTMP_ADAPTER_NIC_NOT_EXIST |
+ fRTMP_ADAPTER_BULKOUT_RESET)))
+ ) {
+ /* FIXME: Following code just support single bulk out. If you wanna support multiple bulk out. Modify it! */
+ pHTTXContext =
+ (struct rt_ht_tx_context *)(&pAd->TxContext[idx]);
+ if (pHTTXContext->IRPPending) { /* Check TxContext. */
+ pUrb = pHTTXContext->pUrb;
+
+ actual_length = pUrb->actual_length;
+ transfer_buffer_length =
+ pUrb->transfer_buffer_length;
+ isDataPacket = TRUE;
+ } else if (idx == MGMTPIPEIDX) {
+ struct rt_tx_context *pMLMEContext, *pNULLContext,
+ *pPsPollContext;
+
+ /*Check MgmtContext. */
+ pMLMEContext =
+ (struct rt_tx_context *)(pAd->MgmtRing.
+ Cell[pAd->MgmtRing.
+ TxDmaIdx].
+ AllocVa);
+ pPsPollContext =
+ (struct rt_tx_context *)(&pAd->PsPollContext);
+ pNULLContext =
+ (struct rt_tx_context *)(&pAd->NullContext);
+
+ if (pMLMEContext->IRPPending) {
+ ASSERT(pMLMEContext->
+ IRPPending);
+ pUrb = pMLMEContext->pUrb;
+ } else if (pNULLContext->IRPPending) {
+ ASSERT(pNULLContext->
+ IRPPending);
+ pUrb = pNULLContext->pUrb;
+ } else if (pPsPollContext->IRPPending) {
+ ASSERT(pPsPollContext->
+ IRPPending);
+ pUrb = pPsPollContext->pUrb;
+ }
+ }
+
+ RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx],
+ irqFlags);
+
+ printk(KERN_INFO "%d:%lu LTL=%d , TL=%d L:%d\n",
+ idx, pAd->watchDogTxPendingCnt[idx],
+ pAd->TransferedLength[idx],
+ actual_length, transfer_buffer_length);
+
+ if (pUrb) {
+ if ((isDataPacket
+ && pAd->TransferedLength[idx] ==
+ actual_length
+ && pAd->TransferedLength[idx] <
+ transfer_buffer_length
+ && actual_length != 0
+/* && TxRxQ_Pcnt==0 */
+ && pAd->watchDogTxPendingCnt[idx] >
+ 3)
+ || isDataPacket == FALSE
+ || pAd->watchDogTxPendingCnt[idx] >
+ 6) {
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("Maybe the Tx Bulk-Out hanged! Cancel the pending Tx bulks request of idx(%d)!\n",
+ idx));
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("Unlink the pending URB!\n"));
+ /* unlink it now */
+ RTUSB_UNLINK_URB(pUrb);
+ /* Sleep 200 microseconds to give cancellation time to work */
+ /*RTMPusecDelay(200); */
+ needDumpSeq = TRUE;
+ }
+ } else {
+ DBGPRINT(RT_DEBUG_ERROR,
+ ("Unknown bulkOut URB maybe hanged!\n"));
+ }
+ } else {
+ RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx],
+ irqFlags);
+ }
+
+ if (isDataPacket == TRUE)
+ pAd->TransferedLength[idx] = actual_length;
+ } else {
+ RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], irqFlags);
+ }
+ }
+
+ /* For Sigma debug, dump the ba_reordering sequence. */
+ if ((needDumpSeq == TRUE) && (pAd->CommonCfg.bDisableReordering == 0)) {
+ u16 Idx;
+ struct rt_ba_rec_entry *pBAEntry = NULL;
+ u8 count = 0;
+ struct reordering_mpdu *mpdu_blk;
+
+ Idx = pAd->MacTab.Content[BSSID_WCID].BARecWcidArray[0];
+
+ pBAEntry = &pAd->BATable.BARecEntry[Idx];
+ if ((pBAEntry->list.qlen > 0) && (pBAEntry->list.next != NULL)) {
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("NICUpdateRawCounters():The Queueing pkt in reordering buffer:\n"));
+ NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
+ mpdu_blk = pBAEntry->list.next;
+ while (mpdu_blk) {
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("\t%d:Seq-%d, bAMSDU-%d!\n", count,
+ mpdu_blk->Sequence,
+ mpdu_blk->bAMSDU));
+ mpdu_blk = mpdu_blk->next;
+ count++;
+ }
+
+ DBGPRINT(RT_DEBUG_TRACE,
+ ("\npBAEntry->LastIndSeq=%d!\n",
+ pBAEntry->LastIndSeq));
+ NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
+ }
+ }
+}
+
+/*
+========================================================================
+Routine Description:
+ Release allocated resources.
+
+Arguments:
+ *dev Point to the PCI or USB device
+ pAd driver control block pointer
+
+Return Value:
+ None
+
+Note:
+========================================================================
+*/
+static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd)
+{
+ DBGPRINT(RT_DEBUG_ERROR,
+ ("rtusb_disconnect: unregister usbnet usb-%s-%s\n",
+ dev->bus->bus_name, dev->devpath));
+ if (!pAd) {
+ usb_put_dev(dev);
+ printk("rtusb_disconnect: pAd == NULL!\n");
+ return;
+ }
+ RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST);
+
+ /* for debug, wait to show some messages to /proc system */
+ udelay(1);
+
+ RtmpPhyNetDevExit(pAd, pAd->net_dev);
+
+ /* FIXME: Shall we need following delay and flush the schedule?? */
+ udelay(1);
+ flush_scheduled_work();
+ udelay(1);
+
+ /* free the root net_device */
+ RtmpOSNetDevFree(pAd->net_dev);
+
+ RtmpRaDevCtrlExit(pAd);
+
+ /* release a use of the usb device structure */
+ usb_put_dev(dev);
+ udelay(1);
+
+ DBGPRINT(RT_DEBUG_ERROR, (" RTUSB disconnect successfully\n"));
+}
+
+static int __devinit rt2870_probe(IN struct usb_interface *intf,
+ IN struct usb_device *usb_dev,
+ IN const struct usb_device_id *dev_id,
+ struct rt_rtmp_adapter ** ppAd)
+{
+ struct net_device *net_dev = NULL;
+ struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)NULL;
+ int status, rv;
+ void *handle;
+ struct rt_rtmp_os_netdev_op_hook netDevHook;
+
+ DBGPRINT(RT_DEBUG_TRACE, ("===>rt2870_probe()!\n"));
+
+ /* Check chipset vendor/product ID */
+ /*if (RT28XXChipsetCheck(_dev_p) == FALSE) */
+ /* goto err_out; */
+
+/*RtmpDevInit============================================= */
+ /* Allocate struct rt_rtmp_adapter adapter structure */
+ handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
+ if (handle == NULL) {
+ printk
+ ("rt2870_probe(): Allocate memory for os handle failed!\n");
+ return -ENOMEM;
+ }
+ ((struct os_cookie *)handle)->pUsb_Dev = usb_dev;
+
+ rv = RTMPAllocAdapterBlock(handle, &pAd);
+ if (rv != NDIS_STATUS_SUCCESS) {
+ kfree(handle);
+ goto err_out;
+ }
+/*USBDevInit============================================== */
+ if (USBDevConfigInit(usb_dev, intf, pAd) == FALSE)
+ goto err_out_free_radev;
+
+ RtmpRaDevCtrlInit(pAd, RTMP_DEV_INF_USB);
+
+/*NetDevInit============================================== */
+ net_dev = RtmpPhyNetDevInit(pAd, &netDevHook);
+ if (net_dev == NULL)
+ goto err_out_free_radev;
+
+ /* Here are the net_device structure with usb specific parameters. */
+ /* for supporting Network Manager.
+ * Set the sysfs physical device reference for the network logical device if set prior to registration will
+ * cause a symlink during initialization.
+ */
+ SET_NETDEV_DEV(net_dev, &(usb_dev->dev));
+
+ pAd->StaCfg.OriDevType = net_dev->type;
+
+/*All done, it's time to register the net device to linux kernel. */
+ /* Register this device */
+ status = RtmpOSNetDevAttach(net_dev, &netDevHook);
+ if (status != 0)
+ goto err_out_free_netdev;
+
+#ifdef KTHREAD_SUPPORT
+ init_waitqueue_head(&pAd->mlmeTask.kthread_q);
+ init_waitqueue_head(&pAd->timerTask.kthread_q);
+ init_waitqueue_head(&pAd->cmdQTask.kthread_q);
+#endif
+
+ *ppAd = pAd;
+
+ DBGPRINT(RT_DEBUG_TRACE, ("<===rt2870_probe()!\n"));
+
+ return 0;
+
+ /* --------------------------- ERROR HANDLE --------------------------- */
+err_out_free_netdev:
+ RtmpOSNetDevFree(net_dev);
+
+err_out_free_radev:
+ RTMPFreeAdapter(pAd);
+
+err_out:
+ *ppAd = NULL;
+
+ return -1;
+
+}