1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
|
/*
* 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. */
/* */
/************************************************************************/
#include <linux/version.h>
#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];
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
static void *zfLnxProbe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id)
{
struct usb_interface *interface = &dev->actconfig->interface[ifnum];
#else
static int zfLnxProbe(struct usb_interface *interface,
const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev(interface);
#endif
struct net_device *net = NULL;
struct usbdrv_private *macp = NULL;
int vendor_id, product_id;
int result = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
usb_get_dev(dev);
#endif
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 (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
if (usb_set_configuration(dev, dev->config[0].bConfigurationValue))
{
printk(KERN_ERR "usb_set_configuration() failed\n");
result = -EIO;
goto fail;
}
#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));
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
usb_inc_dev_use(dev);
#endif
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");
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
SET_MODULE_OWNER(net);
#endif
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
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
usb_set_intfdata(interface, macp);
SET_NETDEV_DEV(net, &interface->dev);
#endif
if (register_netdev(net) != 0)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
usb_set_intfdata(interface, NULL);
#endif
goto fail3;
}
}
netif_carrier_off(net);
goto done;
fail3:
zfLnxFreeAllUrbs(macp);
fail2:
free_netdev(net); //kernel 2.6
fail1:
kfree(macp);
fail:
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
usb_put_dev(dev);
#endif
macp = NULL;
done:
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
return macp;
#else
return result;
#endif
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
static void zfLnxDisconnect(struct usb_device *dev, void *ptr)
#else
static void zfLnxDisconnect(struct usb_interface *interface)
#endif
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
struct usbdrv_private *macp = (struct usbdrv_private *) usb_get_intfdata(interface);
#else
struct usbdrv_private *macp = (struct usbdrv_private *)ptr;
#endif
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);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
usb_dec_dev_use(dev);
#else
usb_put_dev(interface_to_usbdev(interface));
#endif
//printk(KERN_ERR "3. zfLnxUnlinkAllUrbs\n");
//zfLnxUnlinkAllUrbs(macp);
/* Free network interface */
free_netdev(macp->device);
zfLnxFreeAllUrbs(macp);
//zfLnxClearStructs(macp->device);
kfree(macp);
macp = NULL;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
usb_set_intfdata(interface, NULL);
#endif
}
static struct usb_driver zd1221_driver = {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
.owner = THIS_MODULE,
#endif
#endif
.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);
|
