Pileus Git - ~andy/linux/blob - drivers/net/usb/ipheth.c

   1 /*
   2  * ipheth.c - Apple iPhone USB Ethernet driver
   3  *
   4  * Copyright (c) 2009 Diego Giagio <diego@giagio.com>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of GIAGIO.COM nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * Alternatively, provided that this notice is retained in full, this
  20  * software may be distributed under the terms of the GNU General
  21  * Public License ("GPL") version 2, in which case the provisions of the
  22  * GPL apply INSTEAD OF those given above.
  23  *
  24  * The provided data structures and external interfaces from this code
  25  * are not restricted to be used by modules with a GPL compatible license.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  31  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  32  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  33  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  34  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  35  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  36  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  37  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  38  * DAMAGE.
  39  *
  40  *
  41  * Attention: iPhone device must be paired, otherwise it won't respond to our
  42  * driver. For more info: http://giagio.com/wiki/moin.cgi/iPhoneEthernetDriver
  43  *
  44  */
  45
  46 #include <linux/kernel.h>
  47 #include <linux/errno.h>
  48 #include <linux/slab.h>
  49 #include <linux/module.h>
  50 #include <linux/netdevice.h>
  51 #include <linux/etherdevice.h>
  52 #include <linux/ethtool.h>
  53 #include <linux/usb.h>
  54 #include <linux/workqueue.h>
  55
  56 #define USB_VENDOR_APPLE        0x05ac
  57 #define USB_PRODUCT_IPHONE      0x1290
  58 #define USB_PRODUCT_IPHONE_3G   0x1292
  59 #define USB_PRODUCT_IPHONE_3GS  0x1294
  60 #define USB_PRODUCT_IPHONE_4    0x1297
  61 #define USB_PRODUCT_IPAD 0x129a
  62 #define USB_PRODUCT_IPAD_MINI    0x12ab
  63 #define USB_PRODUCT_IPHONE_4_VZW 0x129c
  64 #define USB_PRODUCT_IPHONE_4S   0x12a0
  65 #define USB_PRODUCT_IPHONE_5    0x12a8
  66
  67 #define IPHETH_USBINTF_CLASS    255
  68 #define IPHETH_USBINTF_SUBCLASS 253
  69 #define IPHETH_USBINTF_PROTO    1
  70
  71 #define IPHETH_BUF_SIZE         1516
  72 #define IPHETH_IP_ALIGN         2       /* padding at front of URB */
  73 #define IPHETH_TX_TIMEOUT       (5 * HZ)
  74
  75 #define IPHETH_INTFNUM          2
  76 #define IPHETH_ALT_INTFNUM      1
  77
  78 #define IPHETH_CTRL_ENDP        0x00
  79 #define IPHETH_CTRL_BUF_SIZE    0x40
  80 #define IPHETH_CTRL_TIMEOUT     (5 * HZ)
  81
  82 #define IPHETH_CMD_GET_MACADDR   0x00
  83 #define IPHETH_CMD_CARRIER_CHECK 0x45
  84
  85 #define IPHETH_CARRIER_CHECK_TIMEOUT round_jiffies_relative(1 * HZ)
  86 #define IPHETH_CARRIER_ON       0x04
  87
  88 static struct usb_device_id ipheth_table[] = {
  89         { USB_DEVICE_AND_INTERFACE_INFO(
  90                 USB_VENDOR_APPLE, USB_PRODUCT_IPHONE,
  91                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
  92                 IPHETH_USBINTF_PROTO) },
  93         { USB_DEVICE_AND_INTERFACE_INFO(
  94                 USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_3G,
  95                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
  96                 IPHETH_USBINTF_PROTO) },
  97         { USB_DEVICE_AND_INTERFACE_INFO(
  98                 USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_3GS,
  99                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 100                 IPHETH_USBINTF_PROTO) },
 101         { USB_DEVICE_AND_INTERFACE_INFO(
 102                 USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4,
 103                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 104                 IPHETH_USBINTF_PROTO) },
 105         { USB_DEVICE_AND_INTERFACE_INFO(
 106                 USB_VENDOR_APPLE, USB_PRODUCT_IPAD,
 107                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 108                 IPHETH_USBINTF_PROTO) },
 109         { USB_DEVICE_AND_INTERFACE_INFO(
 110                 USB_VENDOR_APPLE, USB_PRODUCT_IPAD_MINI,
 111                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 112                 IPHETH_USBINTF_PROTO) },
 113         { USB_DEVICE_AND_INTERFACE_INFO(
 114                 USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4_VZW,
 115                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 116                 IPHETH_USBINTF_PROTO) },
 117         { USB_DEVICE_AND_INTERFACE_INFO(
 118                 USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4S,
 119                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 120                 IPHETH_USBINTF_PROTO) },
 121         { USB_DEVICE_AND_INTERFACE_INFO(
 122                 USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_5,
 123                 IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
 124                 IPHETH_USBINTF_PROTO) },
 125         { }
 126 };
 127 MODULE_DEVICE_TABLE(usb, ipheth_table);
 128
 129 struct ipheth_device {
 130         struct usb_device *udev;
 131         struct usb_interface *intf;
 132         struct net_device *net;
 133         struct sk_buff *tx_skb;
 134         struct urb *tx_urb;
 135         struct urb *rx_urb;
 136         unsigned char *tx_buf;
 137         unsigned char *rx_buf;
 138         unsigned char *ctrl_buf;
 139         u8 bulk_in;
 140         u8 bulk_out;
 141         struct delayed_work carrier_work;
 142 };
 143
 144 static int ipheth_rx_submit(struct ipheth_device *dev, gfp_t mem_flags);
 145
 146 static int ipheth_alloc_urbs(struct ipheth_device *iphone)
 147 {
 148         struct urb *tx_urb = NULL;
 149         struct urb *rx_urb = NULL;
 150         u8 *tx_buf = NULL;
 151         u8 *rx_buf = NULL;
 152
 153         tx_urb = usb_alloc_urb(0, GFP_KERNEL);
 154         if (tx_urb == NULL)
 155                 goto error_nomem;
 156
 157         rx_urb = usb_alloc_urb(0, GFP_KERNEL);
 158         if (rx_urb == NULL)
 159                 goto free_tx_urb;
 160
 161         tx_buf = usb_alloc_coherent(iphone->udev, IPHETH_BUF_SIZE,
 162                                     GFP_KERNEL, &tx_urb->transfer_dma);
 163         if (tx_buf == NULL)
 164                 goto free_rx_urb;
 165
 166         rx_buf = usb_alloc_coherent(iphone->udev, IPHETH_BUF_SIZE,
 167                                     GFP_KERNEL, &rx_urb->transfer_dma);
 168         if (rx_buf == NULL)
 169                 goto free_tx_buf;
 170
 171
 172         iphone->tx_urb = tx_urb;
 173         iphone->rx_urb = rx_urb;
 174         iphone->tx_buf = tx_buf;
 175         iphone->rx_buf = rx_buf;
 176         return 0;
 177
 178 free_tx_buf:
 179         usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE, tx_buf,
 180                           tx_urb->transfer_dma);
 181 free_rx_urb:
 182         usb_free_urb(rx_urb);
 183 free_tx_urb:
 184         usb_free_urb(tx_urb);
 185 error_nomem:
 186         return -ENOMEM;
 187 }
 188
 189 static void ipheth_free_urbs(struct ipheth_device *iphone)
 190 {
 191         usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE, iphone->rx_buf,
 192                           iphone->rx_urb->transfer_dma);
 193         usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE, iphone->tx_buf,
 194                           iphone->tx_urb->transfer_dma);
 195         usb_free_urb(iphone->rx_urb);
 196         usb_free_urb(iphone->tx_urb);
 197 }
 198
 199 static void ipheth_kill_urbs(struct ipheth_device *dev)
 200 {
 201         usb_kill_urb(dev->tx_urb);
 202         usb_kill_urb(dev->rx_urb);
 203 }
 204
 205 static void ipheth_rcvbulk_callback(struct urb *urb)
 206 {
 207         struct ipheth_device *dev;
 208         struct sk_buff *skb;
 209         int status;
 210         char *buf;
 211         int len;
 212
 213         dev = urb->context;
 214         if (dev == NULL)
 215                 return;
 216
 217         status = urb->status;
 218         switch (status) {
 219         case -ENOENT:
 220         case -ECONNRESET:
 221         case -ESHUTDOWN:
 222                 return;
 223         case 0:
 224                 break;
 225         default:
 226                 dev_err(&dev->intf->dev, "%s: urb status: %d\n",
 227                         __func__, status);
 228                 return;
 229         }
 230
 231         if (urb->actual_length <= IPHETH_IP_ALIGN) {
 232                 dev->net->stats.rx_length_errors++;
 233                 return;
 234         }
 235         len = urb->actual_length - IPHETH_IP_ALIGN;
 236         buf = urb->transfer_buffer + IPHETH_IP_ALIGN;
 237
 238         skb = dev_alloc_skb(len);
 239         if (!skb) {
 240                 dev_err(&dev->intf->dev, "%s: dev_alloc_skb: -ENOMEM\n",
 241                         __func__);
 242                 dev->net->stats.rx_dropped++;
 243                 return;
 244         }
 245
 246         memcpy(skb_put(skb, len), buf, len);
 247         skb->dev = dev->net;
 248         skb->protocol = eth_type_trans(skb, dev->net);
 249
 250         dev->net->stats.rx_packets++;
 251         dev->net->stats.rx_bytes += len;
 252
 253         netif_rx(skb);
 254         ipheth_rx_submit(dev, GFP_ATOMIC);
 255 }
 256
 257 static void ipheth_sndbulk_callback(struct urb *urb)
 258 {
 259         struct ipheth_device *dev;
 260         int status = urb->status;
 261
 262         dev = urb->context;
 263         if (dev == NULL)
 264                 return;
 265
 266         if (status != 0 &&
 267             status != -ENOENT &&
 268             status != -ECONNRESET &&
 269             status != -ESHUTDOWN)
 270                 dev_err(&dev->intf->dev, "%s: urb status: %d\n",
 271                 __func__, status);
 272
 273         dev_kfree_skb_irq(dev->tx_skb);
 274         netif_wake_queue(dev->net);
 275 }
 276
 277 static int ipheth_carrier_set(struct ipheth_device *dev)
 278 {
 279         struct usb_device *udev = dev->udev;
 280         int retval;
 281
 282         retval = usb_control_msg(udev,
 283                         usb_rcvctrlpipe(udev, IPHETH_CTRL_ENDP),
 284                         IPHETH_CMD_CARRIER_CHECK, /* request */
 285                         0xc0, /* request type */
 286                         0x00, /* value */
 287                         0x02, /* index */
 288                         dev->ctrl_buf, IPHETH_CTRL_BUF_SIZE,
 289                         IPHETH_CTRL_TIMEOUT);
 290         if (retval < 0) {
 291                 dev_err(&dev->intf->dev, "%s: usb_control_msg: %d\n",
 292                         __func__, retval);
 293                 return retval;
 294         }
 295
 296         if (dev->ctrl_buf[0] == IPHETH_CARRIER_ON)
 297                 netif_carrier_on(dev->net);
 298         else
 299                 netif_carrier_off(dev->net);
 300
 301         return 0;
 302 }
 303
 304 static void ipheth_carrier_check_work(struct work_struct *work)
 305 {
 306         struct ipheth_device *dev = container_of(work, struct ipheth_device,
 307                                                  carrier_work.work);
 308
 309         ipheth_carrier_set(dev);
 310         schedule_delayed_work(&dev->carrier_work, IPHETH_CARRIER_CHECK_TIMEOUT);
 311 }
 312
 313 static int ipheth_get_macaddr(struct ipheth_device *dev)
 314 {
 315         struct usb_device *udev = dev->udev;
 316         struct net_device *net = dev->net;
 317         int retval;
 318
 319         retval = usb_control_msg(udev,
 320                                  usb_rcvctrlpipe(udev, IPHETH_CTRL_ENDP),
 321                                  IPHETH_CMD_GET_MACADDR, /* request */
 322                                  0xc0, /* request type */
 323                                  0x00, /* value */
 324                                  0x02, /* index */
 325                                  dev->ctrl_buf,
 326                                  IPHETH_CTRL_BUF_SIZE,
 327                                  IPHETH_CTRL_TIMEOUT);
 328         if (retval < 0) {
 329                 dev_err(&dev->intf->dev, "%s: usb_control_msg: %d\n",
 330                         __func__, retval);
 331         } else if (retval < ETH_ALEN) {
 332                 dev_err(&dev->intf->dev,
 333                         "%s: usb_control_msg: short packet: %d bytes\n",
 334                         __func__, retval);
 335                 retval = -EINVAL;
 336         } else {
 337                 memcpy(net->dev_addr, dev->ctrl_buf, ETH_ALEN);
 338                 retval = 0;
 339         }
 340
 341         return retval;
 342 }
 343
 344 static int ipheth_rx_submit(struct ipheth_device *dev, gfp_t mem_flags)
 345 {
 346         struct usb_device *udev = dev->udev;
 347         int retval;
 348
 349         usb_fill_bulk_urb(dev->rx_urb, udev,
 350                           usb_rcvbulkpipe(udev, dev->bulk_in),
 351                           dev->rx_buf, IPHETH_BUF_SIZE,
 352                           ipheth_rcvbulk_callback,
 353                           dev);
 354         dev->rx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 355
 356         retval = usb_submit_urb(dev->rx_urb, mem_flags);
 357         if (retval)
 358                 dev_err(&dev->intf->dev, "%s: usb_submit_urb: %d\n",
 359                         __func__, retval);
 360         return retval;
 361 }
 362
 363 static int ipheth_open(struct net_device *net)
 364 {
 365         struct ipheth_device *dev = netdev_priv(net);
 366         struct usb_device *udev = dev->udev;
 367         int retval = 0;
 368
 369         usb_set_interface(udev, IPHETH_INTFNUM, IPHETH_ALT_INTFNUM);
 370
 371         retval = ipheth_carrier_set(dev);
 372         if (retval)
 373                 return retval;
 374
 375         retval = ipheth_rx_submit(dev, GFP_KERNEL);
 376         if (retval)
 377                 return retval;
 378
 379         schedule_delayed_work(&dev->carrier_work, IPHETH_CARRIER_CHECK_TIMEOUT);
 380         netif_start_queue(net);
 381         return retval;
 382 }
 383
 384 static int ipheth_close(struct net_device *net)
 385 {
 386         struct ipheth_device *dev = netdev_priv(net);
 387
 388         cancel_delayed_work_sync(&dev->carrier_work);
 389         netif_stop_queue(net);
 390         return 0;
 391 }
 392
 393 static int ipheth_tx(struct sk_buff *skb, struct net_device *net)
 394 {
 395         struct ipheth_device *dev = netdev_priv(net);
 396         struct usb_device *udev = dev->udev;
 397         int retval;
 398
 399         /* Paranoid */
 400         if (skb->len > IPHETH_BUF_SIZE) {
 401                 WARN(1, "%s: skb too large: %d bytes\n", __func__, skb->len);
 402                 dev->net->stats.tx_dropped++;
 403                 dev_kfree_skb_irq(skb);
 404                 return NETDEV_TX_OK;
 405         }
 406
 407         memcpy(dev->tx_buf, skb->data, skb->len);
 408         if (skb->len < IPHETH_BUF_SIZE)
 409                 memset(dev->tx_buf + skb->len, 0, IPHETH_BUF_SIZE - skb->len);
 410
 411         usb_fill_bulk_urb(dev->tx_urb, udev,
 412                           usb_sndbulkpipe(udev, dev->bulk_out),
 413                           dev->tx_buf, IPHETH_BUF_SIZE,
 414                           ipheth_sndbulk_callback,
 415                           dev);
 416         dev->tx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 417
 418         retval = usb_submit_urb(dev->tx_urb, GFP_ATOMIC);
 419         if (retval) {
 420                 dev_err(&dev->intf->dev, "%s: usb_submit_urb: %d\n",
 421                         __func__, retval);
 422                 dev->net->stats.tx_errors++;
 423                 dev_kfree_skb_irq(skb);
 424         } else {
 425                 dev->tx_skb = skb;
 426
 427                 dev->net->stats.tx_packets++;
 428                 dev->net->stats.tx_bytes += skb->len;
 429                 netif_stop_queue(net);
 430         }
 431
 432         return NETDEV_TX_OK;
 433 }
 434
 435 static void ipheth_tx_timeout(struct net_device *net)
 436 {
 437         struct ipheth_device *dev = netdev_priv(net);
 438
 439         dev_err(&dev->intf->dev, "%s: TX timeout\n", __func__);
 440         dev->net->stats.tx_errors++;
 441         usb_unlink_urb(dev->tx_urb);
 442 }
 443
 444 static u32 ipheth_ethtool_op_get_link(struct net_device *net)
 445 {
 446         struct ipheth_device *dev = netdev_priv(net);
 447         return netif_carrier_ok(dev->net);
 448 }
 449
 450 static const struct ethtool_ops ops = {
 451         .get_link = ipheth_ethtool_op_get_link
 452 };
 453
 454 static const struct net_device_ops ipheth_netdev_ops = {
 455         .ndo_open = ipheth_open,
 456         .ndo_stop = ipheth_close,
 457         .ndo_start_xmit = ipheth_tx,
 458         .ndo_tx_timeout = ipheth_tx_timeout,
 459 };
 460
 461 static int ipheth_probe(struct usb_interface *intf,
 462                         const struct usb_device_id *id)
 463 {
 464         struct usb_device *udev = interface_to_usbdev(intf);
 465         struct usb_host_interface *hintf;
 466         struct usb_endpoint_descriptor *endp;
 467         struct ipheth_device *dev;
 468         struct net_device *netdev;
 469         int i;
 470         int retval;
 471
 472         netdev = alloc_etherdev(sizeof(struct ipheth_device));
 473         if (!netdev)
 474                 return -ENOMEM;
 475
 476         netdev->netdev_ops = &ipheth_netdev_ops;
 477         netdev->watchdog_timeo = IPHETH_TX_TIMEOUT;
 478         strcpy(netdev->name, "eth%d");
 479
 480         dev = netdev_priv(netdev);
 481         dev->udev = udev;
 482         dev->net = netdev;
 483         dev->intf = intf;
 484
 485         /* Set up endpoints */
 486         hintf = usb_altnum_to_altsetting(intf, IPHETH_ALT_INTFNUM);
 487         if (hintf == NULL) {
 488                 retval = -ENODEV;
 489                 dev_err(&intf->dev, "Unable to find alternate settings interface\n");
 490                 goto err_endpoints;
 491         }
 492
 493         for (i = 0; i < hintf->desc.bNumEndpoints; i++) {
 494                 endp = &hintf->endpoint[i].desc;
 495                 if (usb_endpoint_is_bulk_in(endp))
 496                         dev->bulk_in = endp->bEndpointAddress;
 497                 else if (usb_endpoint_is_bulk_out(endp))
 498                         dev->bulk_out = endp->bEndpointAddress;
 499         }
 500         if (!(dev->bulk_in && dev->bulk_out)) {
 501                 retval = -ENODEV;
 502                 dev_err(&intf->dev, "Unable to find endpoints\n");
 503                 goto err_endpoints;
 504         }
 505
 506         dev->ctrl_buf = kmalloc(IPHETH_CTRL_BUF_SIZE, GFP_KERNEL);
 507         if (dev->ctrl_buf == NULL) {
 508                 retval = -ENOMEM;
 509                 goto err_alloc_ctrl_buf;
 510         }
 511
 512         retval = ipheth_get_macaddr(dev);
 513         if (retval)
 514                 goto err_get_macaddr;
 515
 516         INIT_DELAYED_WORK(&dev->carrier_work, ipheth_carrier_check_work);
 517
 518         retval = ipheth_alloc_urbs(dev);
 519         if (retval) {
 520                 dev_err(&intf->dev, "error allocating urbs: %d\n", retval);
 521                 goto err_alloc_urbs;
 522         }
 523
 524         usb_set_intfdata(intf, dev);
 525
 526         SET_NETDEV_DEV(netdev, &intf->dev);
 527         SET_ETHTOOL_OPS(netdev, &ops);
 528
 529         retval = register_netdev(netdev);
 530         if (retval) {
 531                 dev_err(&intf->dev, "error registering netdev: %d\n", retval);
 532                 retval = -EIO;
 533                 goto err_register_netdev;
 534         }
 535
 536         dev_info(&intf->dev, "Apple iPhone USB Ethernet device attached\n");
 537         return 0;
 538
 539 err_register_netdev:
 540         ipheth_free_urbs(dev);
 541 err_alloc_urbs:
 542 err_get_macaddr:
 543 err_alloc_ctrl_buf:
 544         kfree(dev->ctrl_buf);
 545 err_endpoints:
 546         free_netdev(netdev);
 547         return retval;
 548 }
 549
 550 static void ipheth_disconnect(struct usb_interface *intf)
 551 {
 552         struct ipheth_device *dev;
 553
 554         dev = usb_get_intfdata(intf);
 555         if (dev != NULL) {
 556                 unregister_netdev(dev->net);
 557                 ipheth_kill_urbs(dev);
 558                 ipheth_free_urbs(dev);
 559                 kfree(dev->ctrl_buf);
 560                 free_netdev(dev->net);
 561         }
 562         usb_set_intfdata(intf, NULL);
 563         dev_info(&intf->dev, "Apple iPhone USB Ethernet now disconnected\n");
 564 }
 565
 566 static struct usb_driver ipheth_driver = {
 567         .name =         "ipheth",
 568         .probe =        ipheth_probe,
 569         .disconnect =   ipheth_disconnect,
 570         .id_table =     ipheth_table,
 571         .disable_hub_initiated_lpm = 1,
 572 };
 573
 574 module_usb_driver(ipheth_driver);
 575
 576 MODULE_AUTHOR("Diego Giagio <diego@giagio.com>");
 577 MODULE_DESCRIPTION("Apple iPhone USB Ethernet driver");
 578 MODULE_LICENSE("Dual BSD/GPL");