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/*
* Copyright (c) 2007-2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* */
/* Module Name : zdusb.c */
/* */
/* Abstract */
/* This module contains plug and play handling for USB device driver*/
/* */
/* NOTES */
/* Platform dependent. */
/* */
/************************************************************************/
#ifdef MODVERSIONS
#include <linux/modversions.h>
#endif
#include <linux/module.h>
#include <linux/usb.h>
#include "usbdrv.h"
#include "zdusb.h"
int zfLnxAllocAllUrbs(struct usbdrv_private *macp);
void zfLnxFreeAllUrbs(struct usbdrv_private *macp);
void zfLnxUnlinkAllUrbs(struct usbdrv_private *macp);
MODULE_AUTHOR("Atheros Communications");
MODULE_DESCRIPTION("Atheros 802.11n Wireless LAN adapter");
MODULE_LICENSE("Dual BSD/GPL");
static const char driver_name[] = "Otus";
/* table of devices that work with this driver */
static struct usb_device_id zd1221_ids [] = {
{ USB_DEVICE(VENDOR_ATHR, PRODUCT_AR9170) },
{ USB_DEVICE(VENDOR_DLINK, PRODUCT_DWA160A) },
{ USB_DEVICE(0x0846, 0x9010) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, zd1221_ids);
extern u8_t zfLnxInitSetup(struct net_device *dev, struct usbdrv_private *macp);
extern int usbdrv_close(struct net_device *dev);
extern u8_t zfLnxClearStructs(struct net_device *dev);
extern int zfWdsClose(struct net_device *dev);
extern int zfUnregisterWdsDev(struct net_device* parentDev, u16_t wdsId);
extern int zfLnxVapClose(struct net_device *dev);
extern int zfLnxUnregisterVapDev(struct net_device* parentDev, u16_t vapId);
/* WDS */
extern struct zsWdsStruct wds[ZM_WDS_PORT_NUMBER];
/* VAP */
extern struct zsVapStruct vap[ZM_VAP_PORT_NUMBER];
static int zfLnxProbe(struct usb_interface *interface,
const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev(interface);
struct net_device *net = NULL;
struct usbdrv_private *macp = NULL;
int vendor_id, product_id;
int result = 0;
usb_get_dev(dev);
vendor_id = dev->descriptor.idVendor;
product_id = dev->descriptor.idProduct;
#ifdef HMAC_DEBUG
printk(KERN_NOTICE "vendor_id = %04x\n", vendor_id);
printk(KERN_NOTICE "product_id = %04x\n", product_id);
if (dev->speed == USB_SPEED_HIGH)
printk(KERN_NOTICE "USB 2.0 Host\n");
else
printk(KERN_NOTICE "USB 1.1 Host\n");
#endif
if (!(macp = kmalloc(sizeof(struct usbdrv_private), GFP_KERNEL)))
{
printk(KERN_ERR "out of memory allocating device structure\n");
result = -ENOMEM;
goto fail;
}
/* Zero the memory */
memset(macp, 0, sizeof(struct usbdrv_private));
net = alloc_etherdev(0);
if (net == NULL)
{
printk(KERN_ERR "zfLnxProbe: Not able to alloc etherdev struct\n");
result = -ENOMEM;
goto fail1;
}
strcpy(net->name, "ath%d");
net->ml_priv = macp; //kernel 2.6
macp->udev = dev;
macp->device = net;
/* set up the endpoint information */
/* check out the endpoints */
macp->interface = interface;
//init_waitqueue_head(&macp->regSet_wait);
//init_waitqueue_head(&macp->iorwRsp_wait);
//init_waitqueue_head(&macp->term_wait);
if (!zfLnxAllocAllUrbs(macp))
{
result = -ENOMEM;
goto fail2;
}
if (!zfLnxInitSetup(net, macp))
{
result = -EIO;
goto fail3;
}
else
{
usb_set_intfdata(interface, macp);
SET_NETDEV_DEV(net, &interface->dev);
if (register_netdev(net) != 0)
{
usb_set_intfdata(interface, NULL);
goto fail3;
}
}
netif_carrier_off(net);
goto done;
fail3:
zfLnxFreeAllUrbs(macp);
fail2:
free_netdev(net); //kernel 2.6
fail1:
kfree(macp);
fail:
usb_put_dev(dev);
macp = NULL;
done:
return result;
}
static void zfLnxDisconnect(struct usb_interface *interface)
{
struct usbdrv_private *macp = (struct usbdrv_private *) usb_get_intfdata(interface);
printk(KERN_DEBUG "zfLnxDisconnect\n");
if (!macp)
{
printk(KERN_ERR "unregistering non-existant device\n");
return;
}
if (macp->driver_isolated)
{
if (macp->device->flags & IFF_UP)
usbdrv_close(macp->device);
}
#if 0
/* Close WDS */
//zfWdsClose(wds[0].dev);
/* Unregister WDS */
//zfUnregisterWdsDev(macp->device, 0);
/* Close VAP */
zfLnxVapClose(vap[0].dev);
/* Unregister VAP */
zfLnxUnregisterVapDev(macp->device, 0);
#endif
zfLnxClearStructs(macp->device);
unregister_netdev(macp->device);
usb_put_dev(interface_to_usbdev(interface));
//printk(KERN_ERR "3. zfLnxUnlinkAllUrbs\n");
//zfLnxUnlinkAllUrbs(macp);
/* Free network interface */
free_netdev(macp->device);
zfLnxFreeAllUrbs(macp);
//zfLnxClearStructs(macp->device);
kfree(macp);
macp = NULL;
usb_set_intfdata(interface, NULL);
}
static struct usb_driver zd1221_driver = {
.name = driver_name,
.probe = zfLnxProbe,
.disconnect = zfLnxDisconnect,
.id_table = zd1221_ids,
};
int __init zfLnxIinit(void)
{
printk(KERN_NOTICE "%s - version %s\n", DRIVER_NAME, VERSIONID);
return usb_register(&zd1221_driver);
}
void __exit zfLnxExit(void)
{
usb_deregister(&zd1221_driver);
}
module_init(zfLnxIinit);
module_exit(zfLnxExit);
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