path: root/drivers/net/wireless/p54/p54usb.c

/*
 * Linux device driver for USB based Prism54
 *
 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
 *
 * Based on the islsm (softmac prism54) driver, which is:
 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/usb.h>
#include <linux/pci.h>
#include <linux/firmware.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <linux/crc32.h>
#include <net/mac80211.h>

#include "p54.h"
#include "p54usb.h"

MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
MODULE_DESCRIPTION("Prism54 USB wireless driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("prism54usb");
MODULE_FIRMWARE("isl3886usb");
MODULE_FIRMWARE("isl3887usb");

static struct usb_device_id p54u_table[] __devinitdata = {
	/* Version 1 devices (pci chip + net2280) */
	{USB_DEVICE(0x0506, 0x0a11)},	/* 3COM 3CRWE254G72 */
	{USB_DEVICE(0x0707, 0xee06)},	/* SMC 2862W-G */
	{USB_DEVICE(0x083a, 0x4501)},	/* Accton 802.11g WN4501 USB */
	{USB_DEVICE(0x083a, 0x4502)},	/* Siemens Gigaset USB Adapter */
	{USB_DEVICE(0x083a, 0x5501)},	/* Phillips CPWUA054 */
	{USB_DEVICE(0x0846, 0x4200)},	/* Netgear WG121 */
	{USB_DEVICE(0x0846, 0x4210)},	/* Netgear WG121 the second ? */
	{USB_DEVICE(0x0846, 0x4220)},	/* Netgear WG111 */
	{USB_DEVICE(0x09aa, 0x1000)},	/* Spinnaker Proto board */
	{USB_DEVICE(0x0cde, 0x0006)},	/* Medion 40900, Roper Europe */
	{USB_DEVICE(0x124a, 0x4023)},	/* Shuttle PN15, Airvast WM168g, IOGear GWU513 */
	{USB_DEVICE(0x1915, 0x2234)},	/* Linksys WUSB54G OEM */
	{USB_DEVICE(0x1915, 0x2235)},	/* Linksys WUSB54G Portable OEM */
	{USB_DEVICE(0x2001, 0x3701)},	/* DLink DWL-G120 Spinnaker */
	{USB_DEVICE(0x2001, 0x3703)},	/* DLink DWL-G122 */
	{USB_DEVICE(0x5041, 0x2234)},	/* Linksys WUSB54G */
	{USB_DEVICE(0x5041, 0x2235)},	/* Linksys WUSB54G Portable */

	/* Version 2 devices (3887) */
	{USB_DEVICE(0x0471, 0x1230)},   /* Philips CPWUA054/00 */
	{USB_DEVICE(0x050d, 0x7050)},	/* Belkin F5D7050 ver 1000 */
	{USB_DEVICE(0x0572, 0x2000)},	/* Cohiba Proto board */
	{USB_DEVICE(0x0572, 0x2002)},	/* Cohiba Proto board */
	{USB_DEVICE(0x0707, 0xee13)},   /* SMC 2862W-G version 2 */
	{USB_DEVICE(0x083a, 0x4521)},   /* Siemens Gigaset USB Adapter 54 version 2 */
	{USB_DEVICE(0x0846, 0x4240)},	/* Netgear WG111 (v2) */
	{USB_DEVICE(0x0915, 0x2000)},	/* Cohiba Proto board */
	{USB_DEVICE(0x0915, 0x2002)},	/* Cohiba Proto board */
	{USB_DEVICE(0x0baf, 0x0118)},   /* U.S. Robotics U5 802.11g Adapter*/
	{USB_DEVICE(0x0bf8, 0x1009)},   /* FUJITSU E-5400 USB D1700*/
	{USB_DEVICE(0x0cde, 0x0006)},   /* Medion MD40900 */
	{USB_DEVICE(0x0cde, 0x0008)},	/* Sagem XG703A */
	{USB_DEVICE(0x0d8e, 0x3762)},	/* DLink DWL-G120 Cohiba */
	{USB_DEVICE(0x124a, 0x4025)},	/* IOGear GWU513 (GW3887IK chip) */
	{USB_DEVICE(0x1260, 0xee22)},	/* SMC 2862W-G version 2 */
	{USB_DEVICE(0x13b1, 0x000a)},	/* Linksys WUSB54G ver 2 */
	{USB_DEVICE(0x13B1, 0x000C)},	/* Linksys WUSB54AG */
	{USB_DEVICE(0x1435, 0x0427)},	/* Inventel UR054G */
	{USB_DEVICE(0x2001, 0x3704)},	/* DLink DWL-G122 rev A2 */
	{USB_DEVICE(0x413c, 0x8102)},	/* Spinnaker DUT */
	{USB_DEVICE(0x413c, 0x8104)},	/* Cohiba Proto board */
	{}
};

MODULE_DEVICE_TABLE(usb, p54u_table);

static void p54u_rx_cb(struct urb *urb)
{
	struct sk_buff *skb = (struct sk_buff *) urb->context;
	struct p54u_rx_info *info = (struct p54u_rx_info *)skb->cb;
	struct ieee80211_hw *dev = info->dev;
	struct p54u_priv *priv = dev->priv;

	skb_unlink(skb, &priv->rx_queue);

	if (unlikely(urb->status)) {
		dev_kfree_skb_irq(skb);
		return;
	}

	skb_put(skb, urb->actual_length);

	if (priv->hw_type == P54U_NET2280)
		skb_pull(skb, priv->common.tx_hdr_len);
	if (priv->common.fw_interface == FW_LM87) {
		skb_pull(skb, 4);
		skb_put(skb, 4);
	}

	if (p54_rx(dev, skb)) {
		skb = dev_alloc_skb(priv->common.rx_mtu + 32);
		if (unlikely(!skb)) {
			/* TODO check rx queue length and refill *somewhere* */
			return;
		}

		info = (struct p54u_rx_info *) skb->cb;
		info->urb = urb;
		info->dev = dev;
		urb->transfer_buffer = skb_tail_pointer(skb);
		urb->context = skb;
	} else {
		if