// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2002 Pavel Machek <[email protected]> * Copyright (C) 2002-2005 by David Brownell */ // #define DEBUG // error path messages, extra info // #define VERBOSE // more; success messages #include <linux/module.h> #include <linux/netdevice.h> #include <linux/ethtool.h> #include <linux/workqueue.h> #include <linux/mii.h> #include <linux/crc32.h> #include <linux/usb.h> #include <linux/usb/cdc.h> #include <linux/usb/usbnet.h> /* * All known Zaurii lie about their standards conformance. At least * the earliest SA-1100 models lie by saying they support CDC Ethernet. * Some later models (especially PXA-25x and PXA-27x based ones) lie * and say they support CDC MDLM (for access to cell phone modems). * * There are non-Zaurus products that use these same protocols too. * * The annoying thing is that at the same time Sharp was developing * that annoying standards-breaking software, the Linux community had * a simple "CDC Subset" working reliably on the same SA-1100 hardware. * That is, the same functionality but not violating standards. * * The CDC Ethernet nonconformance points are troublesome to hosts * with a true CDC Ethernet implementation: * - Framing appends a CRC, which the spec says drivers "must not" do; * - Transfers data in altsetting zero, instead of altsetting 1; * - All these peripherals use the same ethernet address. * * The CDC MDLM nonconformance is less immediately troublesome, since all * MDLM implementations are quasi-proprietary anyway. */ static struct sk_buff * zaurus_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) { … } static int zaurus_bind(struct usbnet *dev, struct usb_interface *intf) { … } /* PDA style devices are always connected if present */ static int always_connected (struct usbnet *dev) { … } static const struct driver_info zaurus_sl5x00_info = …; #define ZAURUS_STRONGARM_INFO … static const struct driver_info zaurus_pxa_info = …; #define ZAURUS_PXA_INFO … static const struct driver_info olympus_mxl_info = …; #define OLYMPUS_MXL_INFO … /* Some more recent products using Lineo/Belcarra code will wrongly claim * CDC MDLM conformance. They aren't conformant: data endpoints live * in the control interface, there's no data interface, and it's not used * to talk to a cell phone radio. But at least we can detect these two * pseudo-classes, rather than growing this product list with entries for * each new nonconformant product (sigh). */ static const u8 safe_guid[16] = …; static const u8 blan_guid[16] = …; static int blan_mdlm_bind(struct usbnet *dev, struct usb_interface *intf) { … } static const struct driver_info bogus_mdlm_info = …; static const struct usb_device_id products [] = …; MODULE_DEVICE_TABLE(usb, products); static struct usb_driver zaurus_driver = …; module_usb_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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