/* ************************************************************************* * 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 e-mail me. */ /* Otherwise post to the forum at ralinktech's web site(www.ralinktech.com) and let all users help you. */ MODULE_AUTHOR("Paul Lin "); 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(0x0DF6, 0x003F)}, /* 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(0x050D, 0x825B)}, /* Belkin */ {USB_DEVICE(0x050D, 0x935A)}, /* Belkin F6D4050 v1 */ {USB_DEVICE(0x050D, 0x935B)}, /* Belkin F6D4050 v2 */ {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(0x0586, 0x341a)}, /* Zyxel NWD-270N */ {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 linkstick2 */ {USB_DEVICE(0x1690, 0x0740)}, /* Askey */ {USB_DEVICE(0x5A57, 0x0280)}, /* Zinwell */ {USB_DEVICE(0x5A57, 0x0282)}, /* Zinwell */ {USB_DEVICE(0x7392, 0x7718)}, {USB_DEVICE(0x7392, 0x7717)}, {USB_DEVICE(0x0411, 0x016f)}, /* MelCo.,Inc. WLI-UC-G301N */ {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 */ {USB_DEVICE(0x100D, 0x9031)}, /* Motorola 2770 */ #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(0x0DB0, 0x871C)}, /* Ralink 3070 */ {USB_DEVICE(0x0DB0, 0x822C)}, /* Ralink 3070 */ {USB_DEVICE(0x0DB0, 0x871B)}, /* Ralink 3070 */ {USB_DEVICE(0x0DB0, 0x822B)}, /* Ralink 3070 */ {USB_DEVICE(0x0DF6, 0x003E)}, /* Sitecom 3070 */ {USB_DEVICE(0x0DF6, 0x0042)}, /* Sitecom 3072 */ {USB_DEVICE(0x0DF6, 0x0048)}, /* Sitecom 3070 */ {USB_DEVICE(0x0DF6, 0x0047)}, /* Sitecom 3071 */ {USB_DEVICE(0x14B2, 0x3C12)}, /* AL 3070 */ {USB_DEVICE(0x18C5, 0x0012)}, /* Corega 3070 */ {USB_DEVICE(0x083A, 0x7511)}, /* Arcadyan 3070 */ {USB_DEVICE(0x083A, 0xA701)}, /* SMC 3070 */ {USB_DEVICE(0x083A, 0xA702)}, /* SMC 3072 */ {USB_DEVICE(0x1740, 0x9703)}, /* EnGenius 3070 */ {USB_DEVICE(0x1740, 0x9705)}, /* EnGenius 3071 */ {USB_DEVICE(0x1740, 0x9706)}, /* EnGenius 3072 */ {USB_DEVICE(0x1740, 0x9707)}, /* EnGenius 3070 */ {USB_DEVICE(0x1740, 0x9708)}, /* EnGenius 3071 */ {USB_DEVICE(0x1740, 0x9709)}, /* EnGenius 3072 */ {USB_DEVICE(0x13D3, 0x3273)}, /* AzureWave 3070 */ {USB_DEVICE(0x13D3, 0x3305)}, /* 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(0x07D1, 0x3C16)}, /* D-Link 3070 */ {USB_DEVICE(0x07D1, 0x3C17)}, /* D-Link 8070 */ {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(0x04BB, 0x0947)}, /* I-O DATA 3070 */ {USB_DEVICE(0x04BB, 0x0948)}, /* I-O DATA 3072 */ {USB_DEVICE(0x203D, 0x1480)}, /* Encore 3070 */ {USB_DEVICE(0x20B8, 0x8888)}, /* PARA INDUSTRIAL 3070 */ {USB_DEVICE(0x0B05, 0x1784)}, /* Asus 3072 */ {USB_DEVICE(0x203D, 0x14A9)}, /* Encore 3070*/ {USB_DEVICE(0x0DB0, 0x899A)}, /* MSI 3070*/ {USB_DEVICE(0x0DB0, 0x3870)}, /* MSI 3070*/ {USB_DEVICE(0x0DB0, 0x870A)}, /* MSI 3070*/ {USB_DEVICE(0x0DB0, 0x6899)}, /* MSI 3070 */ {USB_DEVICE(0x0DB0, 0x3822)}, /* MSI 3070 */ {USB_DEVICE(0x0DB0, 0x3871)}, /* MSI 3070 */ {USB_DEVICE(0x0DB0, 0x871A)}, /* MSI 3070 */ {USB_DEVICE(0x0DB0, 0x822A)}, /* MSI 3070 */ {USB_DEVICE(0x0DB0, 0x3821)}, /* Ralink 3070 */ {USB_DEVICE(0x0DB0, 0x821A)}, /* Ralink 3070 */ {USB_DEVICE(0x083A, 0xA703)}, /* IO-MAGIC */ {USB_DEVICE(0x13D3, 0x3307)}, /* Azurewave */ {USB_DEVICE(0x13D3, 0x3321)}, /* Azurewave */ {USB_DEVICE(0x07FA, 0x7712)}, /* Edimax */ {USB_DEVICE(0x0789, 0x0166)}, /* Edimax */ {USB_DEVICE(0x148F, 0x2070)}, /* Edimax */ #endif /* RT3070 // */ {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. */ {USB_DEVICE(0x0411, 0x015D)}, /* Buffalo Airstation WLI-UC-GN */ {} /* 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(KERN_INFO "rt2870: idVendor = 0x%x, idProduct = 0x%x\n", dev_p->descriptor.idVendor, dev_p->descriptor.idProduct); break; } } if (i == rtusb_usb_id_len) { printk(KERN_ERR "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 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 (KERN_ERR "%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 __devinit 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(KERN_DEBUG "rtusb init --->\n"); return usb_register(&rtusb_driver); } /* Deinit driver module */ void __exit rtusb_exit(void) { usb_deregister(&rtusb_driver); printk(KERN_DEBUG "<--- 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 = Context; pAd = 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 = Context; pAd = 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(KERN_ERR "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; }