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| 1 /* qcusbnet.c - gobi network device |
| 2 * Copyright (c) 2010, Code Aurora Forum. All rights reserved. |
| 3 |
| 4 * This program is free software; you can redistribute it and/or modify |
| 5 * it under the terms of the GNU General Public License version 2 and |
| 6 * only version 2 as published by the Free Software Foundation. |
| 7 |
| 8 * This program is distributed in the hope that it will be useful, |
| 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 * GNU General Public License for more details. |
| 12 |
| 13 * You should have received a copy of the GNU General Public License |
| 14 * along with this program; if not, write to the Free Software |
| 15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 16 * 02110-1301, USA. |
| 17 */ |
| 18 |
| 19 #include "structs.h" |
| 20 #include "qmidevice.h" |
| 21 #include "qmi.h" |
| 22 #include "qcusbnet.h" |
| 23 |
| 24 #define DRIVER_VERSION "1.0.110" |
| 25 #define DRIVER_AUTHOR "Qualcomm Innovation Center" |
| 26 #define DRIVER_DESC "QCUSBNet2k" |
| 27 |
| 28 int qcusbnet_debug; |
| 29 static struct class *devclass; |
| 30 |
| 31 int qc_suspend(struct usb_interface *iface, pm_message_t event) |
| 32 { |
| 33 struct usbnet *usbnet; |
| 34 struct qcusbnet *dev; |
| 35 |
| 36 if (!iface) |
| 37 return -ENOMEM; |
| 38 |
| 39 usbnet = usb_get_intfdata(iface); |
| 40 |
| 41 if (!usbnet || !usbnet->net) { |
| 42 DBG("failed to get netdevice\n"); |
| 43 return -ENXIO; |
| 44 } |
| 45 |
| 46 dev = (struct qcusbnet *)usbnet->data[0]; |
| 47 if (!dev) { |
| 48 DBG("failed to get QMIDevice\n"); |
| 49 return -ENXIO; |
| 50 } |
| 51 |
| 52 if (!(event.event & PM_EVENT_AUTO)) { |
| 53 DBG("device suspended to power level %d\n", |
| 54 event.event); |
| 55 qc_setdown(dev, DOWN_DRIVER_SUSPENDED); |
| 56 } else { |
| 57 DBG("device autosuspend\n"); |
| 58 } |
| 59 |
| 60 if (event.event & PM_EVENT_SUSPEND) { |
| 61 qc_stopread(dev); |
| 62 usbnet->udev->reset_resume = 0; |
| 63 iface->dev.power.power_state.event = event.event; |
| 64 } else { |
| 65 usbnet->udev->reset_resume = 1; |
| 66 } |
| 67 |
| 68 return usbnet_suspend(iface, event); |
| 69 } |
| 70 |
| 71 static int qc_resume(struct usb_interface *iface) |
| 72 { |
| 73 struct usbnet *usbnet; |
| 74 struct qcusbnet *dev; |
| 75 int ret; |
| 76 int oldstate; |
| 77 |
| 78 if (iface == 0) |
| 79 return -ENOMEM; |
| 80 |
| 81 usbnet = usb_get_intfdata(iface); |
| 82 |
| 83 if (!usbnet || !usbnet->net) { |
| 84 DBG("failed to get netdevice\n"); |
| 85 return -ENXIO; |
| 86 } |
| 87 |
| 88 dev = (struct qcusbnet *)usbnet->data[0]; |
| 89 if (!dev) { |
| 90 DBG("failed to get QMIDevice\n"); |
| 91 return -ENXIO; |
| 92 } |
| 93 |
| 94 oldstate = iface->dev.power.power_state.event; |
| 95 iface->dev.power.power_state.event = PM_EVENT_ON; |
| 96 DBG("resuming from power mode %d\n", oldstate); |
| 97 |
| 98 if (oldstate & PM_EVENT_SUSPEND) { |
| 99 qc_cleardown(dev, DOWN_DRIVER_SUSPENDED); |
| 100 |
| 101 ret = usbnet_resume(iface); |
| 102 if (ret) { |
| 103 DBG("usbnet_resume error %d\n", ret); |
| 104 return ret; |
| 105 } |
| 106 |
| 107 ret = qc_startread(dev); |
| 108 if (ret) { |
| 109 DBG("qc_startread error %d\n", ret); |
| 110 return ret; |
| 111 } |
| 112 |
| 113 complete(&dev->worker.work); |
| 114 } else { |
| 115 DBG("nothing to resume\n"); |
| 116 return 0; |
| 117 } |
| 118 |
| 119 return ret; |
| 120 } |
| 121 |
| 122 static int qcnet_bind(struct usbnet *usbnet, struct usb_interface *iface) |
| 123 { |
| 124 int numends; |
| 125 int i; |
| 126 struct usb_host_endpoint *endpoint = NULL; |
| 127 struct usb_host_endpoint *in = NULL; |
| 128 struct usb_host_endpoint *out = NULL; |
| 129 |
| 130 if (iface->num_altsetting != 1) { |
| 131 DBG("invalid num_altsetting %u\n", iface->num_altsetting); |
| 132 return -EINVAL; |
| 133 } |
| 134 |
| 135 if (iface->cur_altsetting->desc.bInterfaceNumber != 0) { |
| 136 DBG("invalid interface %d\n", |
| 137 iface->cur_altsetting->desc.bInterfaceNumber); |
| 138 return -EINVAL; |
| 139 } |
| 140 |
| 141 numends = iface->cur_altsetting->desc.bNumEndpoints; |
| 142 for (i = 0; i < numends; i++) { |
| 143 endpoint = iface->cur_altsetting->endpoint + i; |
| 144 if (!endpoint) { |
| 145 DBG("invalid endpoint %u\n", i); |
| 146 return -EINVAL; |
| 147 } |
| 148 |
| 149 if (usb_endpoint_dir_in(&endpoint->desc) |
| 150 && !usb_endpoint_xfer_int(&endpoint->desc)) { |
| 151 in = endpoint; |
| 152 } else if (!usb_endpoint_dir_out(&endpoint->desc)) { |
| 153 out = endpoint; |
| 154 } |
| 155 } |
| 156 |
| 157 if (!in || !out) { |
| 158 DBG("invalid endpoints\n"); |
| 159 return -EINVAL; |
| 160 } |
| 161 |
| 162 if (usb_set_interface(usbnet->udev, |
| 163 iface->cur_altsetting->desc.bInterfaceNumber, 0))
{ |
| 164 DBG("unable to set interface\n"); |
| 165 return -EINVAL; |
| 166 } |
| 167 |
| 168 usbnet->in = usb_rcvbulkpipe(usbnet->udev, in->desc.bEndpointAddress & U
SB_ENDPOINT_NUMBER_MASK); |
| 169 usbnet->out = usb_sndbulkpipe(usbnet->udev, out->desc.bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK); |
| 170 |
| 171 DBG("in %x, out %x\n", |
| 172 in->desc.bEndpointAddress, |
| 173 out->desc.bEndpointAddress); |
| 174 |
| 175 return 0; |
| 176 } |
| 177 |
| 178 static void qcnet_unbind(struct usbnet *usbnet, struct usb_interface *iface) |
| 179 { |
| 180 struct qcusbnet *dev = (struct qcusbnet *)usbnet->data[0]; |
| 181 |
| 182 netif_carrier_off(usbnet->net); |
| 183 qc_deregister(dev); |
| 184 |
| 185 kfree(usbnet->net->netdev_ops); |
| 186 usbnet->net->netdev_ops = NULL; |
| 187 |
| 188 kfree(dev); |
| 189 } |
| 190 |
| 191 static void qcnet_urbhook(struct urb *urb) |
| 192 { |
| 193 unsigned long flags; |
| 194 struct worker *worker = urb->context; |
| 195 if (!worker) { |
| 196 DBG("bad context\n"); |
| 197 return; |
| 198 } |
| 199 |
| 200 if (urb->status) { |
| 201 DBG("urb finished with error %d\n", urb->status); |
| 202 } |
| 203 |
| 204 spin_lock_irqsave(&worker->active_lock, flags); |
| 205 worker->active = ERR_PTR(-EAGAIN); |
| 206 spin_unlock_irqrestore(&worker->active_lock, flags); |
| 207 /* XXX-fix race against qcnet_stop()? */ |
| 208 complete(&worker->work); |
| 209 usb_free_urb(urb); |
| 210 } |
| 211 |
| 212 static void qcnet_txtimeout(struct net_device *netdev) |
| 213 { |
| 214 struct list_head *node, *tmp; |
| 215 struct qcusbnet *dev; |
| 216 struct worker *worker; |
| 217 struct urbreq *req; |
| 218 unsigned long activeflags, listflags; |
| 219 struct usbnet *usbnet = netdev_priv(netdev); |
| 220 |
| 221 if (!usbnet || !usbnet->net) { |
| 222 DBG("failed to get usbnet device\n"); |
| 223 return; |
| 224 } |
| 225 |
| 226 dev = (struct qcusbnet *)usbnet->data[0]; |
| 227 if (!dev) { |
| 228 DBG("failed to get QMIDevice\n"); |
| 229 return; |
| 230 } |
| 231 worker = &dev->worker; |
| 232 |
| 233 DBG("\n"); |
| 234 |
| 235 spin_lock_irqsave(&worker->active_lock, activeflags); |
| 236 if (worker->active) |
| 237 usb_kill_urb(worker->active); |
| 238 spin_unlock_irqrestore(&worker->active_lock, activeflags); |
| 239 |
| 240 spin_lock_irqsave(&worker->urbs_lock, listflags); |
| 241 list_for_each_safe(node, tmp, &worker->urbs) { |
| 242 req = list_entry(node, struct urbreq, node); |
| 243 usb_free_urb(req->urb); |
| 244 list_del(&req->node); |
| 245 kfree(req); |
| 246 } |
| 247 spin_unlock_irqrestore(&worker->urbs_lock, listflags); |
| 248 |
| 249 complete(&worker->work); |
| 250 } |
| 251 |
| 252 static int qcnet_worker(void *arg) |
| 253 { |
| 254 struct list_head *node, *tmp; |
| 255 unsigned long activeflags, listflags; |
| 256 struct urbreq *req; |
| 257 int status; |
| 258 struct usb_device *usbdev; |
| 259 struct worker *worker = arg; |
| 260 if (!worker) { |
| 261 DBG("passed null pointer\n"); |
| 262 return -EINVAL; |
| 263 } |
| 264 |
| 265 usbdev = interface_to_usbdev(worker->iface); |
| 266 |
| 267 DBG("traffic thread started\n"); |
| 268 |
| 269 while (!kthread_should_stop()) { |
| 270 wait_for_completion_interruptible(&worker->work); |
| 271 |
| 272 if (kthread_should_stop()) { |
| 273 spin_lock_irqsave(&worker->active_lock, activeflags); |
| 274 if (worker->active) { |
| 275 usb_kill_urb(worker->active); |
| 276 } |
| 277 spin_unlock_irqrestore(&worker->active_lock, activeflags
); |
| 278 |
| 279 spin_lock_irqsave(&worker->urbs_lock, listflags); |
| 280 list_for_each_safe(node, tmp, &worker->urbs) { |
| 281 req = list_entry(node, struct urbreq, node); |
| 282 usb_free_urb(req->urb); |
| 283 list_del(&req->node); |
| 284 kfree(req); |
| 285 } |
| 286 spin_unlock_irqrestore(&worker->urbs_lock, listflags); |
| 287 |
| 288 break; |
| 289 } |
| 290 |
| 291 spin_lock_irqsave(&worker->active_lock, activeflags); |
| 292 if (IS_ERR(worker->active) && PTR_ERR(worker->active) == -EAGAIN
) { |
| 293 worker->active = NULL; |
| 294 spin_unlock_irqrestore(&worker->active_lock, activeflags
); |
| 295 usb_autopm_put_interface(worker->iface); |
| 296 spin_lock_irqsave(&worker->active_lock, activeflags); |
| 297 } |
| 298 |
| 299 if (worker->active) { |
| 300 spin_unlock_irqrestore(&worker->active_lock, activeflags
); |
| 301 continue; |
| 302 } |
| 303 |
| 304 spin_lock_irqsave(&worker->urbs_lock, listflags); |
| 305 if (list_empty(&worker->urbs)) { |
| 306 spin_unlock_irqrestore(&worker->urbs_lock, listflags); |
| 307 spin_unlock_irqrestore(&worker->active_lock, activeflags
); |
| 308 continue; |
| 309 } |
| 310 |
| 311 req = list_first_entry(&worker->urbs, struct urbreq, node); |
| 312 list_del(&req->node); |
| 313 spin_unlock_irqrestore(&worker->urbs_lock, listflags); |
| 314 |
| 315 worker->active = req->urb; |
| 316 spin_unlock_irqrestore(&worker->active_lock, activeflags); |
| 317 |
| 318 status = usb_autopm_get_interface(worker->iface); |
| 319 if (status < 0) { |
| 320 DBG("unable to autoresume interface: %d\n", status); |
| 321 if (status == -EPERM) { |
| 322 qc_suspend(worker->iface, PMSG_SUSPEND); |
| 323 } |
| 324 |
| 325 spin_lock_irqsave(&worker->urbs_lock, listflags); |
| 326 list_add(&req->node, &worker->urbs); |
| 327 spin_unlock_irqrestore(&worker->urbs_lock, listflags); |
| 328 |
| 329 spin_lock_irqsave(&worker->active_lock, activeflags); |
| 330 worker->active = NULL; |
| 331 spin_unlock_irqrestore(&worker->active_lock, activeflags
); |
| 332 |
| 333 continue; |
| 334 } |
| 335 |
| 336 status = usb_submit_urb(worker->active, GFP_KERNEL); |
| 337 if (status < 0) { |
| 338 DBG("Failed to submit URB: %d. Packet dropped\n", statu
s); |
| 339 spin_lock_irqsave(&worker->active_lock, activeflags); |
| 340 usb_free_urb(worker->active); |
| 341 worker->active = NULL; |
| 342 spin_unlock_irqrestore(&worker->active_lock, activeflags
); |
| 343 usb_autopm_put_interface(worker->iface); |
| 344 complete(&worker->work); |
| 345 } |
| 346 |
| 347 kfree(req); |
| 348 } |
| 349 |
| 350 DBG("traffic thread exiting\n"); |
| 351 worker->thread = NULL; |
| 352 return 0; |
| 353 } |
| 354 |
| 355 static int qcnet_startxmit(struct sk_buff *skb, struct net_device *netdev) |
| 356 { |
| 357 unsigned long listflags; |
| 358 struct qcusbnet *dev; |
| 359 struct worker *worker; |
| 360 struct urbreq *req; |
| 361 void *data; |
| 362 struct usbnet *usbnet = netdev_priv(netdev); |
| 363 |
| 364 DBG("\n"); |
| 365 |
| 366 if (!usbnet || !usbnet->net) { |
| 367 DBG("failed to get usbnet device\n"); |
| 368 return NETDEV_TX_BUSY; |
| 369 } |
| 370 |
| 371 dev = (struct qcusbnet *)usbnet->data[0]; |
| 372 if (!dev) { |
| 373 DBG("failed to get QMIDevice\n"); |
| 374 return NETDEV_TX_BUSY; |
| 375 } |
| 376 worker = &dev->worker; |
| 377 |
| 378 if (qc_isdown(dev, DOWN_DRIVER_SUSPENDED)) { |
| 379 DBG("device is suspended\n"); |
| 380 dump_stack(); |
| 381 return NETDEV_TX_BUSY; |
| 382 } |
| 383 |
| 384 req = kmalloc(sizeof(*req), GFP_ATOMIC); |
| 385 if (!req) { |
| 386 DBG("unable to allocate URBList memory\n"); |
| 387 return NETDEV_TX_BUSY; |
| 388 } |
| 389 |
| 390 req->urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 391 |
| 392 if (!req->urb) { |
| 393 kfree(req); |
| 394 DBG("unable to allocate URB\n"); |
| 395 return NETDEV_TX_BUSY; |
| 396 } |
| 397 |
| 398 data = kmalloc(skb->len, GFP_ATOMIC); |
| 399 if (!data) { |
| 400 usb_free_urb(req->urb); |
| 401 kfree(req); |
| 402 DBG("unable to allocate URB data\n"); |
| 403 return NETDEV_TX_BUSY; |
| 404 } |
| 405 memcpy(data, skb->data, skb->len); |
| 406 |
| 407 usb_fill_bulk_urb(req->urb, dev->usbnet->udev, dev->usbnet->out, |
| 408 data, skb->len, qcnet_urbhook, worker); |
| 409 |
| 410 spin_lock_irqsave(&worker->urbs_lock, listflags); |
| 411 list_add_tail(&req->node, &worker->urbs); |
| 412 spin_unlock_irqrestore(&worker->urbs_lock, listflags); |
| 413 |
| 414 complete(&worker->work); |
| 415 |
| 416 netdev->trans_start = jiffies; |
| 417 dev_kfree_skb_any(skb); |
| 418 |
| 419 return NETDEV_TX_OK; |
| 420 } |
| 421 |
| 422 static int qcnet_open(struct net_device *netdev) |
| 423 { |
| 424 int status = 0; |
| 425 struct qcusbnet *dev; |
| 426 struct usbnet *usbnet = netdev_priv(netdev); |
| 427 |
| 428 if (!usbnet) { |
| 429 DBG("failed to get usbnet device\n"); |
| 430 return -ENXIO; |
| 431 } |
| 432 |
| 433 dev = (struct qcusbnet *)usbnet->data[0]; |
| 434 if (!dev) { |
| 435 DBG("failed to get QMIDevice\n"); |
| 436 return -ENXIO; |
| 437 } |
| 438 |
| 439 DBG("\n"); |
| 440 |
| 441 dev->worker.iface = dev->iface; |
| 442 INIT_LIST_HEAD(&dev->worker.urbs); |
| 443 dev->worker.active = NULL; |
| 444 spin_lock_init(&dev->worker.urbs_lock); |
| 445 spin_lock_init(&dev->worker.active_lock); |
| 446 init_completion(&dev->worker.work); |
| 447 |
| 448 dev->worker.thread = kthread_run(qcnet_worker, &dev->worker, "qcnet_work
er"); |
| 449 if (IS_ERR(dev->worker.thread)) { |
| 450 DBG("AutoPM thread creation error\n"); |
| 451 return PTR_ERR(dev->worker.thread); |
| 452 } |
| 453 |
| 454 qc_cleardown(dev, DOWN_NET_IFACE_STOPPED); |
| 455 if (dev->open) { |
| 456 status = dev->open(netdev); |
| 457 if (status == 0) { |
| 458 usb_autopm_put_interface(dev->iface); |
| 459 } |
| 460 } else { |
| 461 DBG("no USBNetOpen defined\n"); |
| 462 } |
| 463 |
| 464 return status; |
| 465 } |
| 466 |
| 467 int qcnet_stop(struct net_device *netdev) |
| 468 { |
| 469 struct qcusbnet *dev; |
| 470 struct usbnet *usbnet = netdev_priv(netdev); |
| 471 |
| 472 if (!usbnet || !usbnet->net) { |
| 473 DBG("failed to get netdevice\n"); |
| 474 return -ENXIO; |
| 475 } |
| 476 |
| 477 dev = (struct qcusbnet *)usbnet->data[0]; |
| 478 if (!dev) { |
| 479 DBG("failed to get QMIDevice\n"); |
| 480 return -ENXIO; |
| 481 } |
| 482 |
| 483 qc_setdown(dev, DOWN_NET_IFACE_STOPPED); |
| 484 complete(&dev->worker.work); |
| 485 kthread_stop(dev->worker.thread); |
| 486 DBG("thread stopped\n"); |
| 487 |
| 488 if (dev->stop != NULL) |
| 489 return dev->stop(netdev); |
| 490 return 0; |
| 491 } |
| 492 |
| 493 static const struct driver_info qc_netinfo = { |
| 494 .description = "QCUSBNet Ethernet Device", |
| 495 .flags = FLAG_ETHER, |
| 496 .bind = qcnet_bind, |
| 497 .unbind = qcnet_unbind, |
| 498 .data = 0, |
| 499 }; |
| 500 |
| 501 #define MKVIDPID(v, p) \ |
| 502 { \ |
| 503 USB_DEVICE(v, p), \ |
| 504 .driver_info = (unsigned long)&qc_netinfo, \ |
| 505 } |
| 506 |
| 507 static const struct usb_device_id qc_vidpids[] = { |
| 508 MKVIDPID(0x05c6, 0x9215), /* Acer Gobi 2000 */ |
| 509 MKVIDPID(0x05c6, 0x9265), /* Asus Gobi 2000 */ |
| 510 MKVIDPID(0x16d8, 0x8002), /* CMOTech Gobi 2000 */ |
| 511 MKVIDPID(0x413c, 0x8186), /* Dell Gobi 2000 */ |
| 512 MKVIDPID(0x1410, 0xa010), /* Entourage Gobi 2000 */ |
| 513 MKVIDPID(0x1410, 0xa011), /* Entourage Gobi 2000 */ |
| 514 MKVIDPID(0x1410, 0xa012), /* Entourage Gobi 2000 */ |
| 515 MKVIDPID(0x1410, 0xa013), /* Entourage Gobi 2000 */ |
| 516 MKVIDPID(0x03f0, 0x251d), /* HP Gobi 2000 */ |
| 517 MKVIDPID(0x05c6, 0x9205), /* Lenovo Gobi 2000 */ |
| 518 MKVIDPID(0x05c6, 0x920b), /* Generic Gobi 2000 */ |
| 519 MKVIDPID(0x04da, 0x250f), /* Panasonic Gobi 2000 */ |
| 520 MKVIDPID(0x05c6, 0x9245), /* Samsung Gobi 2000 */ |
| 521 MKVIDPID(0x1199, 0x9001), /* Sierra Wireless Gobi 2000 */ |
| 522 MKVIDPID(0x1199, 0x9002), /* Sierra Wireless Gobi 2000 */ |
| 523 MKVIDPID(0x1199, 0x9003), /* Sierra Wireless Gobi 2000 */ |
| 524 MKVIDPID(0x1199, 0x9004), /* Sierra Wireless Gobi 2000 */ |
| 525 MKVIDPID(0x1199, 0x9005), /* Sierra Wireless Gobi 2000 */ |
| 526 MKVIDPID(0x1199, 0x9006), /* Sierra Wireless Gobi 2000 */ |
| 527 MKVIDPID(0x1199, 0x9007), /* Sierra Wireless Gobi 2000 */ |
| 528 MKVIDPID(0x1199, 0x9008), /* Sierra Wireless Gobi 2000 */ |
| 529 MKVIDPID(0x1199, 0x9009), /* Sierra Wireless Gobi 2000 */ |
| 530 MKVIDPID(0x1199, 0x900a), /* Sierra Wireless Gobi 2000 */ |
| 531 MKVIDPID(0x05c6, 0x9225), /* Sony Gobi 2000 */ |
| 532 MKVIDPID(0x05c6, 0x9235), /* Top Global Gobi 2000 */ |
| 533 MKVIDPID(0x05c6, 0x9275), /* iRex Technologies Gobi 2000 */ |
| 534 { } |
| 535 }; |
| 536 |
| 537 MODULE_DEVICE_TABLE(usb, qc_vidpids); |
| 538 |
| 539 int qcnet_probe(struct usb_interface *iface, const struct usb_device_id *vidpids
) |
| 540 { |
| 541 int status; |
| 542 struct usbnet *usbnet; |
| 543 struct qcusbnet *dev; |
| 544 struct net_device_ops *netdevops; |
| 545 |
| 546 status = usbnet_probe(iface, vidpids); |
| 547 if (status < 0) { |
| 548 DBG("usbnet_probe failed %d\n", status); |
| 549 return status; |
| 550 } |
| 551 |
| 552 usbnet = usb_get_intfdata(iface); |
| 553 |
| 554 if (!usbnet || !usbnet->net) { |
| 555 DBG("failed to get netdevice\n"); |
| 556 return -ENXIO; |
| 557 } |
| 558 |
| 559 dev = kmalloc(sizeof(struct qcusbnet), GFP_KERNEL); |
| 560 if (!dev) { |
| 561 DBG("failed to allocate device buffers\n"); |
| 562 return -ENOMEM; |
| 563 } |
| 564 |
| 565 usbnet->data[0] = (unsigned long)dev; |
| 566 |
| 567 dev->usbnet = usbnet; |
| 568 |
| 569 netdevops = kmalloc(sizeof(struct net_device_ops), GFP_KERNEL); |
| 570 if (!netdevops) { |
| 571 DBG("failed to allocate net device ops\n"); |
| 572 return -ENOMEM; |
| 573 } |
| 574 memcpy(netdevops, usbnet->net->netdev_ops, sizeof(struct net_device_ops)
); |
| 575 |
| 576 dev->open = netdevops->ndo_open; |
| 577 netdevops->ndo_open = qcnet_open; |
| 578 dev->stop = netdevops->ndo_stop; |
| 579 netdevops->ndo_stop = qcnet_stop; |
| 580 netdevops->ndo_start_xmit = qcnet_startxmit; |
| 581 netdevops->ndo_tx_timeout = qcnet_txtimeout; |
| 582 |
| 583 usbnet->net->netdev_ops = netdevops; |
| 584 |
| 585 memset(&(dev->usbnet->net->stats), 0, sizeof(struct net_device_stats)); |
| 586 |
| 587 dev->iface = iface; |
| 588 memset(&(dev->meid), '0', 14); |
| 589 |
| 590 DBG("Mac Address: %pM\n", dev->usbnet->net->dev_addr); |
| 591 |
| 592 dev->valid = false; |
| 593 memset(&dev->qmi, 0, sizeof(struct qmidev)); |
| 594 |
| 595 dev->qmi.devclass = devclass; |
| 596 |
| 597 INIT_LIST_HEAD(&dev->qmi.clients); |
| 598 init_completion(&dev->worker.work); |
| 599 spin_lock_init(&dev->qmi.clients_lock); |
| 600 |
| 601 dev->down = 0; |
| 602 qc_setdown(dev, DOWN_NO_NDIS_CONNECTION); |
| 603 qc_setdown(dev, DOWN_NET_IFACE_STOPPED); |
| 604 |
| 605 status = qc_register(dev); |
| 606 if (status) { |
| 607 qc_deregister(dev); |
| 608 } |
| 609 |
| 610 return status; |
| 611 } |
| 612 EXPORT_SYMBOL_GPL(qcnet_probe); |
| 613 |
| 614 static struct usb_driver qcusbnet = { |
| 615 .name = "QCUSBNet2k", |
| 616 .id_table = qc_vidpids, |
| 617 .probe = qcnet_probe, |
| 618 .disconnect = usbnet_disconnect, |
| 619 .suspend = qc_suspend, |
| 620 .resume = qc_resume, |
| 621 .supports_autosuspend = true, |
| 622 }; |
| 623 |
| 624 static int __init modinit(void) |
| 625 { |
| 626 devclass = class_create(THIS_MODULE, "QCQMI"); |
| 627 if (IS_ERR(devclass)) { |
| 628 DBG("error at class_create %ld\n", PTR_ERR(devclass)); |
| 629 return -ENOMEM; |
| 630 } |
| 631 printk(KERN_INFO "%s: %s\n", DRIVER_DESC, DRIVER_VERSION); |
| 632 return usb_register(&qcusbnet); |
| 633 } |
| 634 module_init(modinit); |
| 635 |
| 636 static void __exit modexit(void) |
| 637 { |
| 638 usb_deregister(&qcusbnet); |
| 639 class_destroy(devclass); |
| 640 } |
| 641 module_exit(modexit); |
| 642 |
| 643 MODULE_VERSION(DRIVER_VERSION); |
| 644 MODULE_AUTHOR(DRIVER_AUTHOR); |
| 645 MODULE_DESCRIPTION(DRIVER_DESC); |
| 646 MODULE_LICENSE("Dual BSD/GPL"); |
| 647 |
| 648 module_param(qcusbnet_debug, bool, S_IRUGO | S_IWUSR); |
| 649 MODULE_PARM_DESC(qcusbnet_debug, "Debugging enabled or not"); |
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