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62 |
marcus.erl |
/*
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* CDC Ethernet based networking peripherals
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* Copyright (C) 2003-2005 by David Brownell
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* Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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// #define DEBUG // error path messages, extra info
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// #define VERBOSE // more; success messages
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#include <linux/module.h>
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#include <linux/init.h>
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| 26 |
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#include <linux/netdevice.h>
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| 27 |
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#include <linux/etherdevice.h>
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#include <linux/ctype.h>
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#include <linux/ethtool.h>
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#include <linux/workqueue.h>
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#include <linux/mii.h>
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#include <linux/usb.h>
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#include <linux/usb/cdc.h>
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#include "usbnet.h"
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| 37 |
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| 38 |
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#if defined(CONFIG_USB_NET_RNDIS_HOST) || defined(CONFIG_USB_NET_RNDIS_HOST_MODULE)
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| 40 |
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static int is_rndis(struct usb_interface_descriptor *desc)
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| 41 |
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{
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| 42 |
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return desc->bInterfaceClass == USB_CLASS_COMM
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| 43 |
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&& desc->bInterfaceSubClass == 2
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| 44 |
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&& desc->bInterfaceProtocol == 0xff;
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| 45 |
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}
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| 46 |
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| 47 |
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static int is_activesync(struct usb_interface_descriptor *desc)
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| 48 |
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{
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| 49 |
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return desc->bInterfaceClass == USB_CLASS_MISC
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| 50 |
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&& desc->bInterfaceSubClass == 1
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&& desc->bInterfaceProtocol == 1;
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| 52 |
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}
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| 54 |
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#else
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| 56 |
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#define is_rndis(desc) 0
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| 57 |
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#define is_activesync(desc) 0
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#endif
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/*
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* probes control interface, claims data interface, collects the bulk
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* endpoints, activates data interface (if needed), maybe sets MTU.
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* all pure cdc, except for certain firmware workarounds, and knowing
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| 65 |
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* that rndis uses one different rule.
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| 66 |
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*/
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| 67 |
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int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
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| 68 |
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{
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| 69 |
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u8 *buf = intf->cur_altsetting->extra;
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| 70 |
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int len = intf->cur_altsetting->extralen;
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| 71 |
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struct usb_interface_descriptor *d;
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struct cdc_state *info = (void *) &dev->data;
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int status;
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| 74 |
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int rndis;
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| 75 |
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struct usb_driver *driver = driver_of(intf);
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| 77 |
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if (sizeof dev->data < sizeof *info)
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| 78 |
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return -EDOM;
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| 79 |
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| 80 |
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/* expect strict spec conformance for the descriptors, but
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* cope with firmware which stores them in the wrong place
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| 82 |
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*/
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| 83 |
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if (len == 0 && dev->udev->actconfig->extralen) {
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| 84 |
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/* Motorola SB4100 (and others: Brad Hards says it's
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| 85 |
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* from a Broadcom design) put CDC descriptors here
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| 86 |
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*/
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| 87 |
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buf = dev->udev->actconfig->extra;
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| 88 |
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len = dev->udev->actconfig->extralen;
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| 89 |
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if (len)
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| 90 |
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dev_dbg(&intf->dev,
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| 91 |
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"CDC descriptors on config\n");
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| 92 |
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}
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| 93 |
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| 94 |
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/* Maybe CDC descriptors are after the endpoint? This bug has
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| 95 |
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* been seen on some 2Wire Inc RNDIS-ish products.
|
| 96 |
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*/
|
| 97 |
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if (len == 0) {
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| 98 |
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struct usb_host_endpoint *hep;
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| 99 |
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| 100 |
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hep = intf->cur_altsetting->endpoint;
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| 101 |
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if (hep) {
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| 102 |
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buf = hep->extra;
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| 103 |
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len = hep->extralen;
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| 104 |
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}
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| 105 |
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if (len)
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| 106 |
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dev_dbg(&intf->dev,
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| 107 |
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"CDC descriptors on endpoint\n");
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| 108 |
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}
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| 109 |
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| 110 |
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/* this assumes that if there's a non-RNDIS vendor variant
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| 111 |
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* of cdc-acm, it'll fail RNDIS requests cleanly.
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| 112 |
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*/
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| 113 |
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rndis = is_rndis(&intf->cur_altsetting->desc)
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| 114 |
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|| is_activesync(&intf->cur_altsetting->desc);
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| 115 |
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| 116 |
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memset(info, 0, sizeof *info);
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| 117 |
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info->control = intf;
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| 118 |
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while (len > 3) {
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| 119 |
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if (buf [1] != USB_DT_CS_INTERFACE)
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goto next_desc;
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| 121 |
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| 122 |
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/* use bDescriptorSubType to identify the CDC descriptors.
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* We expect devices with CDC header and union descriptors.
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| 124 |
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* For CDC Ethernet we need the ethernet descriptor.
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| 125 |
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* For RNDIS, ignore two (pointless) CDC modem descriptors
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* in favor of a complicated OID-based RPC scheme doing what
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* CDC Ethernet achieves with a simple descriptor.
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*/
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switch (buf [2]) {
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case USB_CDC_HEADER_TYPE:
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if (info->header) {
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dev_dbg(&intf->dev, "extra CDC header\n");
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goto bad_desc;
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}
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| 135 |
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info->header = (void *) buf;
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if (info->header->bLength != sizeof *info->header) {
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dev_dbg(&intf->dev, "CDC header len %u\n",
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info->header->bLength);
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goto bad_desc;
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| 140 |
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}
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| 141 |
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break;
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| 142 |
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case USB_CDC_ACM_TYPE:
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/* paranoia: disambiguate a "real" vendor-specific
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* modem interface from an RNDIS non-modem.
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*/
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if (rndis) {
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struct usb_cdc_acm_descriptor *acm;
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acm = (void *) buf;
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| 150 |
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if (acm->bmCapabilities) {
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dev_dbg(&intf->dev,
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"ACM capabilities %02x, "
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"not really RNDIS?\n",
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acm->bmCapabilities);
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goto bad_desc;
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}
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| 157 |
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}
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break;
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| 159 |
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case USB_CDC_UNION_TYPE:
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if (info->u) {
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dev_dbg(&intf->dev, "extra CDC union\n");
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goto bad_desc;
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| 163 |
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}
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| 164 |
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info->u = (void *) buf;
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| 165 |
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if (info->u->bLength != sizeof *info->u) {
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dev_dbg(&intf->dev, "CDC union len %u\n",
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info->u->bLength);
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| 168 |
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goto bad_desc;
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| 169 |
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}
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| 170 |
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| 171 |
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/* we need a master/control interface (what we're
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| 172 |
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* probed with) and a slave/data interface; union
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| 173 |
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* descriptors sort this all out.
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*/
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| 175 |
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info->control = usb_ifnum_to_if(dev->udev,
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info->u->bMasterInterface0);
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| 177 |
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info->data = usb_ifnum_to_if(dev->udev,
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info->u->bSlaveInterface0);
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| 179 |
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if (!info->control || !info->data) {
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| 180 |
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dev_dbg(&intf->dev,
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| 181 |
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"master #%u/%p slave #%u/%p\n",
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| 182 |
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info->u->bMasterInterface0,
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| 183 |
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info->control,
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| 184 |
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info->u->bSlaveInterface0,
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| 185 |
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info->data);
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| 186 |
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goto bad_desc;
|
| 187 |
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}
|
| 188 |
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if (info->control != intf) {
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| 189 |
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dev_dbg(&intf->dev, "bogus CDC Union\n");
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| 190 |
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/* Ambit USB Cable Modem (and maybe others)
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| 191 |
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* interchanges master and slave interface.
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| 192 |
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*/
|
| 193 |
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if (info->data == intf) {
|
| 194 |
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info->data = info->control;
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| 195 |
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info->control = intf;
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| 196 |
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} else
|
| 197 |
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goto bad_desc;
|
| 198 |
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}
|
| 199 |
|
|
|
| 200 |
|
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/* a data interface altsetting does the real i/o */
|
| 201 |
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d = &info->data->cur_altsetting->desc;
|
| 202 |
|
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if (d->bInterfaceClass != USB_CLASS_CDC_DATA) {
|
| 203 |
|
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dev_dbg(&intf->dev, "slave class %u\n",
|
| 204 |
|
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d->bInterfaceClass);
|
| 205 |
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goto bad_desc;
|
| 206 |
|
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}
|
| 207 |
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break;
|
| 208 |
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case USB_CDC_ETHERNET_TYPE:
|
| 209 |
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if (info->ether) {
|
| 210 |
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dev_dbg(&intf->dev, "extra CDC ether\n");
|
| 211 |
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goto bad_desc;
|
| 212 |
|
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}
|
| 213 |
|
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info->ether = (void *) buf;
|
| 214 |
|
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if (info->ether->bLength != sizeof *info->ether) {
|
| 215 |
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dev_dbg(&intf->dev, "CDC ether len %u\n",
|
| 216 |
|
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info->ether->bLength);
|
| 217 |
|
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goto bad_desc;
|
| 218 |
|
|
}
|
| 219 |
|
|
dev->hard_mtu = le16_to_cpu(
|
| 220 |
|
|
info->ether->wMaxSegmentSize);
|
| 221 |
|
|
/* because of Zaurus, we may be ignoring the host
|
| 222 |
|
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* side link address we were given.
|
| 223 |
|
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*/
|
| 224 |
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|
break;
|
| 225 |
|
|
}
|
| 226 |
|
|
next_desc:
|
| 227 |
|
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len -= buf [0]; /* bLength */
|
| 228 |
|
|
buf += buf [0];
|
| 229 |
|
|
}
|
| 230 |
|
|
|
| 231 |
|
|
/* Microsoft ActiveSync based RNDIS devices lack the CDC descriptors,
|
| 232 |
|
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* so we'll hard-wire the interfaces and not check for descriptors.
|
| 233 |
|
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*/
|
| 234 |
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|
if (is_activesync(&intf->cur_altsetting->desc) && !info->u) {
|
| 235 |
|
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info->control = usb_ifnum_to_if(dev->udev, 0);
|
| 236 |
|
|
info->data = usb_ifnum_to_if(dev->udev, 1);
|
| 237 |
|
|
if (!info->control || !info->data) {
|
| 238 |
|
|
dev_dbg(&intf->dev,
|
| 239 |
|
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"activesync: master #0/%p slave #1/%p\n",
|
| 240 |
|
|
info->control,
|
| 241 |
|
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info->data);
|
| 242 |
|
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goto bad_desc;
|
| 243 |
|
|
}
|
| 244 |
|
|
|
| 245 |
|
|
} else if (!info->header || !info->u || (!rndis && !info->ether)) {
|
| 246 |
|
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dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n",
|
| 247 |
|
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info->header ? "" : "header ",
|
| 248 |
|
|
info->u ? "" : "union ",
|
| 249 |
|
|
info->ether ? "" : "ether ");
|
| 250 |
|
|
goto bad_desc;
|
| 251 |
|
|
}
|
| 252 |
|
|
|
| 253 |
|
|
/* claim data interface and set it up ... with side effects.
|
| 254 |
|
|
* network traffic can't flow until an altsetting is enabled.
|
| 255 |
|
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*/
|
| 256 |
|
|
status = usb_driver_claim_interface(driver, info->data, dev);
|
| 257 |
|
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if (status < 0)
|
| 258 |
|
|
return status;
|
| 259 |
|
|
status = usbnet_get_endpoints(dev, info->data);
|
| 260 |
|
|
if (status < 0) {
|
| 261 |
|
|
/* ensure immediate exit from usbnet_disconnect */
|
| 262 |
|
|
usb_set_intfdata(info->data, NULL);
|
| 263 |
|
|
usb_driver_release_interface(driver, info->data);
|
| 264 |
|
|
return status;
|
| 265 |
|
|
}
|
| 266 |
|
|
|
| 267 |
|
|
/* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */
|
| 268 |
|
|
dev->status = NULL;
|
| 269 |
|
|
if (info->control->cur_altsetting->desc.bNumEndpoints == 1) {
|
| 270 |
|
|
struct usb_endpoint_descriptor *desc;
|
| 271 |
|
|
|
| 272 |
|
|
dev->status = &info->control->cur_altsetting->endpoint [0];
|
| 273 |
|
|
desc = &dev->status->desc;
|
| 274 |
|
|
if (!usb_endpoint_is_int_in(desc)
|
| 275 |
|
|
|| (le16_to_cpu(desc->wMaxPacketSize)
|
| 276 |
|
|
< sizeof(struct usb_cdc_notification))
|
| 277 |
|
|
|| !desc->bInterval) {
|
| 278 |
|
|
dev_dbg(&intf->dev, "bad notification endpoint\n");
|
| 279 |
|
|
dev->status = NULL;
|
| 280 |
|
|
}
|
| 281 |
|
|
}
|
| 282 |
|
|
if (rndis && !dev->status) {
|
| 283 |
|
|
dev_dbg(&intf->dev, "missing RNDIS status endpoint\n");
|
| 284 |
|
|
usb_set_intfdata(info->data, NULL);
|
| 285 |
|
|
usb_driver_release_interface(driver, info->data);
|
| 286 |
|
|
return -ENODEV;
|
| 287 |
|
|
}
|
| 288 |
|
|
return 0;
|
| 289 |
|
|
|
| 290 |
|
|
bad_desc:
|
| 291 |
|
|
dev_info(&dev->udev->dev, "bad CDC descriptors\n");
|
| 292 |
|
|
return -ENODEV;
|
| 293 |
|
|
}
|
| 294 |
|
|
EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);
|
| 295 |
|
|
|
| 296 |
|
|
void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf)
|
| 297 |
|
|
{
|
| 298 |
|
|
struct cdc_state *info = (void *) &dev->data;
|
| 299 |
|
|
struct usb_driver *driver = driver_of(intf);
|
| 300 |
|
|
|
| 301 |
|
|
/* disconnect master --> disconnect slave */
|
| 302 |
|
|
if (intf == info->control && info->data) {
|
| 303 |
|
|
/* ensure immediate exit from usbnet_disconnect */
|
| 304 |
|
|
usb_set_intfdata(info->data, NULL);
|
| 305 |
|
|
usb_driver_release_interface(driver, info->data);
|
| 306 |
|
|
info->data = NULL;
|
| 307 |
|
|
}
|
| 308 |
|
|
|
| 309 |
|
|
/* and vice versa (just in case) */
|
| 310 |
|
|
else if (intf == info->data && info->control) {
|
| 311 |
|
|
/* ensure immediate exit from usbnet_disconnect */
|
| 312 |
|
|
usb_set_intfdata(info->control, NULL);
|
| 313 |
|
|
usb_driver_release_interface(driver, info->control);
|
| 314 |
|
|
info->control = NULL;
|
| 315 |
|
|
}
|
| 316 |
|
|
}
|
| 317 |
|
|
EXPORT_SYMBOL_GPL(usbnet_cdc_unbind);
|
| 318 |
|
|
|
| 319 |
|
|
|
| 320 |
|
|
/*-------------------------------------------------------------------------
|
| 321 |
|
|
*
|
| 322 |
|
|
* Communications Device Class, Ethernet Control model
|
| 323 |
|
|
*
|
| 324 |
|
|
* Takes two interfaces. The DATA interface is inactive till an altsetting
|
| 325 |
|
|
* is selected. Configuration data includes class descriptors. There's
|
| 326 |
|
|
* an optional status endpoint on the control interface.
|
| 327 |
|
|
*
|
| 328 |
|
|
* This should interop with whatever the 2.4 "CDCEther.c" driver
|
| 329 |
|
|
* (by Brad Hards) talked with, with more functionality.
|
| 330 |
|
|
*
|
| 331 |
|
|
*-------------------------------------------------------------------------*/
|
| 332 |
|
|
|
| 333 |
|
|
static void dumpspeed(struct usbnet *dev, __le32 *speeds)
|
| 334 |
|
|
{
|
| 335 |
|
|
if (netif_msg_timer(dev))
|
| 336 |
|
|
devinfo(dev, "link speeds: %u kbps up, %u kbps down",
|
| 337 |
|
|
__le32_to_cpu(speeds[0]) / 1000,
|
| 338 |
|
|
__le32_to_cpu(speeds[1]) / 1000);
|
| 339 |
|
|
}
|
| 340 |
|
|
|
| 341 |
|
|
static void cdc_status(struct usbnet *dev, struct urb *urb)
|
| 342 |
|
|
{
|
| 343 |
|
|
struct usb_cdc_notification *event;
|
| 344 |
|
|
|
| 345 |
|
|
if (urb->actual_length < sizeof *event)
|
| 346 |
|
|
return;
|
| 347 |
|
|
|
| 348 |
|
|
/* SPEED_CHANGE can get split into two 8-byte packets */
|
| 349 |
|
|
if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {
|
| 350 |
|
|
dumpspeed(dev, (__le32 *) urb->transfer_buffer);
|
| 351 |
|
|
return;
|
| 352 |
|
|
}
|
| 353 |
|
|
|
| 354 |
|
|
event = urb->transfer_buffer;
|
| 355 |
|
|
switch (event->bNotificationType) {
|
| 356 |
|
|
case USB_CDC_NOTIFY_NETWORK_CONNECTION:
|
| 357 |
|
|
if (netif_msg_timer(dev))
|
| 358 |
|
|
devdbg(dev, "CDC: carrier %s",
|
| 359 |
|
|
event->wValue ? "on" : "off");
|
| 360 |
|
|
if (event->wValue)
|
| 361 |
|
|
netif_carrier_on(dev->net);
|
| 362 |
|
|
else
|
| 363 |
|
|
netif_carrier_off(dev->net);
|
| 364 |
|
|
break;
|
| 365 |
|
|
case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */
|
| 366 |
|
|
if (netif_msg_timer(dev))
|
| 367 |
|
|
devdbg(dev, "CDC: speed change (len %d)",
|
| 368 |
|
|
urb->actual_length);
|
| 369 |
|
|
if (urb->actual_length != (sizeof *event + 8))
|
| 370 |
|
|
set_bit(EVENT_STS_SPLIT, &dev->flags);
|
| 371 |
|
|
else
|
| 372 |
|
|
dumpspeed(dev, (__le32 *) &event[1]);
|
| 373 |
|
|
break;
|
| 374 |
|
|
/* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS),
|
| 375 |
|
|
* but there are no standard formats for the response data.
|
| 376 |
|
|
*/
|
| 377 |
|
|
default:
|
| 378 |
|
|
deverr(dev, "CDC: unexpected notification %02x!",
|
| 379 |
|
|
event->bNotificationType);
|
| 380 |
|
|
break;
|
| 381 |
|
|
}
|
| 382 |
|
|
}
|
| 383 |
|
|
|
| 384 |
|
|
static u8 nibble(unsigned char c)
|
| 385 |
|
|
{
|
| 386 |
|
|
if (likely(isdigit(c)))
|
| 387 |
|
|
return c - '0';
|
| 388 |
|
|
c = toupper(c);
|
| 389 |
|
|
if (likely(isxdigit(c)))
|
| 390 |
|
|
return 10 + c - 'A';
|
| 391 |
|
|
return 0;
|
| 392 |
|
|
}
|
| 393 |
|
|
|
| 394 |
|
|
static inline int
|
| 395 |
|
|
get_ethernet_addr(struct usbnet *dev, struct usb_cdc_ether_desc *e)
|
| 396 |
|
|
{
|
| 397 |
|
|
int tmp, i;
|
| 398 |
|
|
unsigned char buf [13];
|
| 399 |
|
|
|
| 400 |
|
|
tmp = usb_string(dev->udev, e->iMACAddress, buf, sizeof buf);
|
| 401 |
|
|
if (tmp != 12) {
|
| 402 |
|
|
dev_dbg(&dev->udev->dev,
|
| 403 |
|
|
"bad MAC string %d fetch, %d\n", e->iMACAddress, tmp);
|
| 404 |
|
|
if (tmp >= 0)
|
| 405 |
|
|
tmp = -EINVAL;
|
| 406 |
|
|
return tmp;
|
| 407 |
|
|
}
|
| 408 |
|
|
for (i = tmp = 0; i < 6; i++, tmp += 2)
|
| 409 |
|
|
dev->net->dev_addr [i] =
|
| 410 |
|
|
(nibble(buf [tmp]) << 4) + nibble(buf [tmp + 1]);
|
| 411 |
|
|
return 0;
|
| 412 |
|
|
}
|
| 413 |
|
|
|
| 414 |
|
|
static int cdc_bind(struct usbnet *dev, struct usb_interface *intf)
|
| 415 |
|
|
{
|
| 416 |
|
|
int status;
|
| 417 |
|
|
struct cdc_state *info = (void *) &dev->data;
|
| 418 |
|
|
|
| 419 |
|
|
status = usbnet_generic_cdc_bind(dev, intf);
|
| 420 |
|
|
if (status < 0)
|
| 421 |
|
|
return status;
|
| 422 |
|
|
|
| 423 |
|
|
status = get_ethernet_addr(dev, info->ether);
|
| 424 |
|
|
if (status < 0) {
|
| 425 |
|
|
usb_set_intfdata(info->data, NULL);
|
| 426 |
|
|
usb_driver_release_interface(driver_of(intf), info->data);
|
| 427 |
|
|
return status;
|
| 428 |
|
|
}
|
| 429 |
|
|
|
| 430 |
|
|
/* FIXME cdc-ether has some multicast code too, though it complains
|
| 431 |
|
|
* in routine cases. info->ether describes the multicast support.
|
| 432 |
|
|
* Implement that here, manipulating the cdc filter as needed.
|
| 433 |
|
|
*/
|
| 434 |
|
|
return 0;
|
| 435 |
|
|
}
|
| 436 |
|
|
|
| 437 |
|
|
static const struct driver_info cdc_info = {
|
| 438 |
|
|
.description = "CDC Ethernet Device",
|
| 439 |
|
|
.flags = FLAG_ETHER,
|
| 440 |
|
|
// .check_connect = cdc_check_connect,
|
| 441 |
|
|
.bind = cdc_bind,
|
| 442 |
|
|
.unbind = usbnet_cdc_unbind,
|
| 443 |
|
|
.status = cdc_status,
|
| 444 |
|
|
};
|
| 445 |
|
|
|
| 446 |
|
|
/*-------------------------------------------------------------------------*/
|
| 447 |
|
|
|
| 448 |
|
|
|
| 449 |
|
|
static const struct usb_device_id products [] = {
|
| 450 |
|
|
/*
|
| 451 |
|
|
* BLACKLIST !!
|
| 452 |
|
|
*
|
| 453 |
|
|
* First blacklist any products that are egregiously nonconformant
|
| 454 |
|
|
* with the CDC Ethernet specs. Minor braindamage we cope with; when
|
| 455 |
|
|
* they're not even trying, needing a separate driver is only the first
|
| 456 |
|
|
* of the differences to show up.
|
| 457 |
|
|
*/
|
| 458 |
|
|
|
| 459 |
|
|
#define ZAURUS_MASTER_INTERFACE \
|
| 460 |
|
|
.bInterfaceClass = USB_CLASS_COMM, \
|
| 461 |
|
|
.bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
|
| 462 |
|
|
.bInterfaceProtocol = USB_CDC_PROTO_NONE
|
| 463 |
|
|
|
| 464 |
|
|
/* SA-1100 based Sharp Zaurus ("collie"), or compatible;
|
| 465 |
|
|
* wire-incompatible with true CDC Ethernet implementations.
|
| 466 |
|
|
* (And, it seems, needlessly so...)
|
| 467 |
|
|
*/
|
| 468 |
|
|
{
|
| 469 |
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
| 470 |
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
| 471 |
|
|
.idVendor = 0x04DD,
|
| 472 |
|
|
.idProduct = 0x8004,
|
| 473 |
|
|
ZAURUS_MASTER_INTERFACE,
|
| 474 |
|
|
.driver_info = 0,
|
| 475 |
|
|
},
|
| 476 |
|
|
|
| 477 |
|
|
/* PXA-25x based Sharp Zaurii. Note that it seems some of these
|
| 478 |
|
|
* (later models especially) may have shipped only with firmware
|
| 479 |
|
|
* advertising false "CDC MDLM" compatibility ... but we're not
|
| 480 |
|
|
* clear which models did that, so for now let's assume the worst.
|
| 481 |
|
|
*/
|
| 482 |
|
|
{
|
| 483 |
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
| 484 |
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
| 485 |
|
|
.idVendor = 0x04DD,
|
| 486 |
|
|
.idProduct = 0x8005, /* A-300 */
|
| 487 |
|
|
ZAURUS_MASTER_INTERFACE,
|
| 488 |
|
|
.driver_info = 0,
|
| 489 |
|
|
}, {
|
| 490 |
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
| 491 |
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
| 492 |
|
|
.idVendor = 0x04DD,
|
| 493 |
|
|
.idProduct = 0x8006, /* B-500/SL-5600 */
|
| 494 |
|
|
ZAURUS_MASTER_INTERFACE,
|
| 495 |
|
|
.driver_info = 0,
|
| 496 |
|
|
}, {
|
| 497 |
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
| 498 |
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
| 499 |
|
|
.idVendor = 0x04DD,
|
| 500 |
|
|
.idProduct = 0x8007, /* C-700 */
|
| 501 |
|
|
ZAURUS_MASTER_INTERFACE,
|
| 502 |
|
|
.driver_info = 0,
|
| 503 |
|
|
}, {
|
| 504 |
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
| 505 |
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
| 506 |
|
|
.idVendor = 0x04DD,
|
| 507 |
|
|
.idProduct = 0x9031, /* C-750 C-760 */
|
| 508 |
|
|
ZAURUS_MASTER_INTERFACE,
|
| 509 |
|
|
.driver_info = 0,
|
| 510 |
|
|
}, {
|
| 511 |
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
| 512 |
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
| 513 |
|
|
.idVendor = 0x04DD,
|
| 514 |
|
|
.idProduct = 0x9032, /* SL-6000 */
|
| 515 |
|
|
ZAURUS_MASTER_INTERFACE,
|
| 516 |
|
|
.driver_info = 0,
|
| 517 |
|
|
}, {
|
| 518 |
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
| 519 |
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
| 520 |
|
|
.idVendor = 0x04DD,
|
| 521 |
|
|
/* reported with some C860 units */
|
| 522 |
|
|
.idProduct = 0x9050, /* C-860 */
|
| 523 |
|
|
ZAURUS_MASTER_INTERFACE,
|
| 524 |
|
|
.driver_info = 0,
|
| 525 |
|
|
},
|
| 526 |
|
|
|
| 527 |
|
|
/* Olympus has some models with a Zaurus-compatible option.
|
| 528 |
|
|
* R-1000 uses a FreeScale i.MXL cpu (ARMv4T)
|
| 529 |
|
|
*/
|
| 530 |
|
|
{
|
| 531 |
|
|
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
|
| 532 |
|
|
| USB_DEVICE_ID_MATCH_DEVICE,
|
| 533 |
|
|
.idVendor = 0x07B4,
|
| 534 |
|
|
.idProduct = 0x0F02, /* R-1000 */
|
| 535 |
|
|
ZAURUS_MASTER_INTERFACE,
|
| 536 |
|
|
.driver_info = 0,
|
| 537 |
|
|
},
|
| 538 |
|
|
|
| 539 |
|
|
/*
|
| 540 |
|
|
* WHITELIST!!!
|
| 541 |
|
|
*
|
| 542 |
|
|
* CDC Ether uses two interfaces, not necessarily consecutive.
|
| 543 |
|
|
* We match the main interface, ignoring the optional device
|
| 544 |
|
|
* class so we could handle devices that aren't exclusively
|
| 545 |
|
|
* CDC ether.
|
| 546 |
|
|
*
|
| 547 |
|
|
* NOTE: this match must come AFTER entries blacklisting devices
|
| 548 |
|
|
* because of bugs/quirks in a given product (like Zaurus, above).
|
| 549 |
|
|
*/
|
| 550 |
|
|
{
|
| 551 |
|
|
USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
|
| 552 |
|
|
USB_CDC_PROTO_NONE),
|
| 553 |
|
|
.driver_info = (unsigned long) &cdc_info,
|
| 554 |
|
|
},
|
| 555 |
|
|
{ }, // END
|
| 556 |
|
|
};
|
| 557 |
|
|
MODULE_DEVICE_TABLE(usb, products);
|
| 558 |
|
|
|
| 559 |
|
|
static struct usb_driver cdc_driver = {
|
| 560 |
|
|
.name = "cdc_ether",
|
| 561 |
|
|
.id_table = products,
|
| 562 |
|
|
.probe = usbnet_probe,
|
| 563 |
|
|
.disconnect = usbnet_disconnect,
|
| 564 |
|
|
.suspend = usbnet_suspend,
|
| 565 |
|
|
.resume = usbnet_resume,
|
| 566 |
|
|
};
|
| 567 |
|
|
|
| 568 |
|
|
|
| 569 |
|
|
static int __init cdc_init(void)
|
| 570 |
|
|
{
|
| 571 |
|
|
BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
|
| 572 |
|
|
< sizeof(struct cdc_state)));
|
| 573 |
|
|
|
| 574 |
|
|
return usb_register(&cdc_driver);
|
| 575 |
|
|
}
|
| 576 |
|
|
module_init(cdc_init);
|
| 577 |
|
|
|
| 578 |
|
|
static void __exit cdc_exit(void)
|
| 579 |
|
|
{
|
| 580 |
|
|
usb_deregister(&cdc_driver);
|
| 581 |
|
|
}
|
| 582 |
|
|
module_exit(cdc_exit);
|
| 583 |
|
|
|
| 584 |
|
|
MODULE_AUTHOR("David Brownell");
|
| 585 |
|
|
MODULE_DESCRIPTION("USB CDC Ethernet devices");
|
| 586 |
|
|
MODULE_LICENSE("GPL");
|
