Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 1999-2005 Petko Manolov (petkan@users.sourceforge.net) | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * ChangeLog: | |
9 | * .... Most of the time spent on reading sources & docs. | |
10 | * v0.2.x First official release for the Linux kernel. | |
11 | * v0.3.0 Beutified and structured, some bugs fixed. | |
12 | * v0.3.x URBifying bulk requests and bugfixing. First relatively | |
13 | * stable release. Still can touch device's registers only | |
14 | * from top-halves. | |
15 | * v0.4.0 Control messages remained unurbified are now URBs. | |
16 | * Now we can touch the HW at any time. | |
17 | * v0.4.9 Control urbs again use process context to wait. Argh... | |
18 | * Some long standing bugs (enable_net_traffic) fixed. | |
19 | * Also nasty trick about resubmiting control urb from | |
20 | * interrupt context used. Please let me know how it | |
21 | * behaves. Pegasus II support added since this version. | |
22 | * TODO: suppressing HCD warnings spewage on disconnect. | |
23 | * v0.4.13 Ethernet address is now set at probe(), not at open() | |
24 | * time as this seems to break dhcpd. | |
25 | * v0.5.0 branch to 2.5.x kernels | |
26 | * v0.5.1 ethtool support added | |
27 | * v0.5.5 rx socket buffers are in a pool and the their allocation | |
28 | * is out of the interrupt routine. | |
29 | */ | |
30 | ||
1da177e4 LT |
31 | #include <linux/sched.h> |
32 | #include <linux/slab.h> | |
33 | #include <linux/init.h> | |
34 | #include <linux/delay.h> | |
35 | #include <linux/netdevice.h> | |
36 | #include <linux/etherdevice.h> | |
37 | #include <linux/ethtool.h> | |
38 | #include <linux/mii.h> | |
39 | #include <linux/usb.h> | |
40 | #include <linux/module.h> | |
41 | #include <asm/byteorder.h> | |
42 | #include <asm/uaccess.h> | |
43 | #include "pegasus.h" | |
44 | ||
45 | /* | |
46 | * Version Information | |
47 | */ | |
37cf3477 | 48 | #define DRIVER_VERSION "v0.6.14 (2006/09/27)" |
1da177e4 LT |
49 | #define DRIVER_AUTHOR "Petko Manolov <petkan@users.sourceforge.net>" |
50 | #define DRIVER_DESC "Pegasus/Pegasus II USB Ethernet driver" | |
51 | ||
52 | static const char driver_name[] = "pegasus"; | |
53 | ||
54 | #undef PEGASUS_WRITE_EEPROM | |
55 | #define BMSR_MEDIA (BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | \ | |
56 | BMSR_100FULL | BMSR_ANEGCAPABLE) | |
57 | ||
58 | static int loopback = 0; | |
59 | static int mii_mode = 0; | |
a4f81a61 | 60 | static char *devid=NULL; |
1da177e4 LT |
61 | |
62 | static struct usb_eth_dev usb_dev_id[] = { | |
63 | #define PEGASUS_DEV(pn, vid, pid, flags) \ | |
64 | {.name = pn, .vendor = vid, .device = pid, .private = flags}, | |
ab854b24 CR |
65 | #define PEGASUS_DEV_CLASS(pn, vid, pid, dclass, flags) \ |
66 | PEGASUS_DEV(pn, vid, pid, flags) | |
1da177e4 LT |
67 | #include "pegasus.h" |
68 | #undef PEGASUS_DEV | |
ab854b24 | 69 | #undef PEGASUS_DEV_CLASS |
a4f81a61 | 70 | {NULL, 0, 0, 0}, |
1da177e4 LT |
71 | {NULL, 0, 0, 0} |
72 | }; | |
73 | ||
74 | static struct usb_device_id pegasus_ids[] = { | |
75 | #define PEGASUS_DEV(pn, vid, pid, flags) \ | |
76 | {.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = vid, .idProduct = pid}, | |
ab854b24 CR |
77 | /* |
78 | * The Belkin F8T012xx1 bluetooth adaptor has the same vendor and product | |
79 | * IDs as the Belkin F5D5050, so we need to teach the pegasus driver to | |
80 | * ignore adaptors belonging to the "Wireless" class 0xE0. For this one | |
81 | * case anyway, seeing as the pegasus is for "Wired" adaptors. | |
82 | */ | |
83 | #define PEGASUS_DEV_CLASS(pn, vid, pid, dclass, flags) \ | |
84 | {.match_flags = (USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_DEV_CLASS), \ | |
85 | .idVendor = vid, .idProduct = pid, .bDeviceClass = dclass}, | |
1da177e4 LT |
86 | #include "pegasus.h" |
87 | #undef PEGASUS_DEV | |
ab854b24 | 88 | #undef PEGASUS_DEV_CLASS |
a4f81a61 | 89 | {}, |
1da177e4 LT |
90 | {} |
91 | }; | |
92 | ||
93 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
94 | MODULE_DESCRIPTION(DRIVER_DESC); | |
95 | MODULE_LICENSE("GPL"); | |
96 | module_param(loopback, bool, 0); | |
97 | module_param(mii_mode, bool, 0); | |
a4f81a61 | 98 | module_param(devid, charp, 0); |
1da177e4 LT |
99 | MODULE_PARM_DESC(loopback, "Enable MAC loopback mode (bit 0)"); |
100 | MODULE_PARM_DESC(mii_mode, "Enable HomePNA mode (bit 0),default=MII mode = 0"); | |
a4f81a61 | 101 | MODULE_PARM_DESC(devid, "The format is: 'DEV_name:VendorID:DeviceID:Flags'"); |
1da177e4 LT |
102 | |
103 | /* use ethtool to change the level for any given device */ | |
104 | static int msg_level = -1; | |
105 | module_param (msg_level, int, 0); | |
106 | MODULE_PARM_DESC (msg_level, "Override default message level"); | |
107 | ||
108 | MODULE_DEVICE_TABLE(usb, pegasus_ids); | |
8cb89571 | 109 | static const struct net_device_ops pegasus_netdev_ops; |
1da177e4 LT |
110 | |
111 | static int update_eth_regs_async(pegasus_t *); | |
112 | /* Aargh!!! I _really_ hate such tweaks */ | |
7d12e780 | 113 | static void ctrl_callback(struct urb *urb) |
1da177e4 LT |
114 | { |
115 | pegasus_t *pegasus = urb->context; | |
c94cb314 | 116 | int status = urb->status; |
1da177e4 LT |
117 | |
118 | if (!pegasus) | |
119 | return; | |
120 | ||
c94cb314 | 121 | switch (status) { |
1da177e4 LT |
122 | case 0: |
123 | if (pegasus->flags & ETH_REGS_CHANGE) { | |
124 | pegasus->flags &= ~ETH_REGS_CHANGE; | |
125 | pegasus->flags |= ETH_REGS_CHANGED; | |
126 | update_eth_regs_async(pegasus); | |
127 | return; | |
128 | } | |
129 | break; | |
130 | case -EINPROGRESS: | |
131 | return; | |
132 | case -ENOENT: | |
133 | break; | |
134 | default: | |
a475f603 JP |
135 | if (net_ratelimit()) |
136 | netif_dbg(pegasus, drv, pegasus->net, | |
137 | "%s, status %d\n", __func__, status); | |
138 | break; | |
1da177e4 LT |
139 | } |
140 | pegasus->flags &= ~ETH_REGS_CHANGED; | |
141 | wake_up(&pegasus->ctrl_wait); | |
142 | } | |
143 | ||
144 | static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size, | |
145 | void *data) | |
146 | { | |
147 | int ret; | |
148 | char *buffer; | |
149 | DECLARE_WAITQUEUE(wait, current); | |
150 | ||
151 | buffer = kmalloc(size, GFP_KERNEL); | |
152 | if (!buffer) { | |
a475f603 JP |
153 | netif_warn(pegasus, drv, pegasus->net, |
154 | "out of memory in %s\n", __func__); | |
1da177e4 LT |
155 | return -ENOMEM; |
156 | } | |
157 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
158 | set_current_state(TASK_UNINTERRUPTIBLE); | |
159 | while (pegasus->flags & ETH_REGS_CHANGED) | |
160 | schedule(); | |
161 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
162 | set_current_state(TASK_RUNNING); | |
163 | ||
164 | pegasus->dr.bRequestType = PEGASUS_REQT_READ; | |
165 | pegasus->dr.bRequest = PEGASUS_REQ_GET_REGS; | |
166 | pegasus->dr.wValue = cpu_to_le16(0); | |
da2bbdcc HH |
167 | pegasus->dr.wIndex = cpu_to_le16(indx); |
168 | pegasus->dr.wLength = cpu_to_le16(size); | |
1da177e4 LT |
169 | pegasus->ctrl_urb->transfer_buffer_length = size; |
170 | ||
171 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
172 | usb_rcvctrlpipe(pegasus->usb, 0), | |
173 | (char *) &pegasus->dr, | |
174 | buffer, size, ctrl_callback, pegasus); | |
175 | ||
176 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
177 | set_current_state(TASK_UNINTERRUPTIBLE); | |
178 | ||
179 | /* using ATOMIC, we'd never wake up if we slept */ | |
180 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { | |
10c8211c | 181 | set_current_state(TASK_RUNNING); |
955a2608 DB |
182 | if (ret == -ENODEV) |
183 | netif_device_detach(pegasus->net); | |
a475f603 JP |
184 | if (net_ratelimit()) |
185 | netif_err(pegasus, drv, pegasus->net, | |
186 | "%s, status %d\n", __func__, ret); | |
1da177e4 LT |
187 | goto out; |
188 | } | |
189 | ||
190 | schedule(); | |
191 | out: | |
192 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
193 | memcpy(data, buffer, size); | |
194 | kfree(buffer); | |
195 | ||
196 | return ret; | |
197 | } | |
198 | ||
199 | static int set_registers(pegasus_t * pegasus, __u16 indx, __u16 size, | |
200 | void *data) | |
201 | { | |
202 | int ret; | |
203 | char *buffer; | |
204 | DECLARE_WAITQUEUE(wait, current); | |
205 | ||
206 | buffer = kmalloc(size, GFP_KERNEL); | |
207 | if (!buffer) { | |
a475f603 JP |
208 | netif_warn(pegasus, drv, pegasus->net, |
209 | "out of memory in %s\n", __func__); | |
1da177e4 LT |
210 | return -ENOMEM; |
211 | } | |
212 | memcpy(buffer, data, size); | |
213 | ||
214 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
215 | set_current_state(TASK_UNINTERRUPTIBLE); | |
216 | while (pegasus->flags & ETH_REGS_CHANGED) | |
217 | schedule(); | |
218 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
219 | set_current_state(TASK_RUNNING); | |
220 | ||
221 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
222 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS; | |
223 | pegasus->dr.wValue = cpu_to_le16(0); | |
da2bbdcc HH |
224 | pegasus->dr.wIndex = cpu_to_le16(indx); |
225 | pegasus->dr.wLength = cpu_to_le16(size); | |
1da177e4 LT |
226 | pegasus->ctrl_urb->transfer_buffer_length = size; |
227 | ||
228 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
229 | usb_sndctrlpipe(pegasus->usb, 0), | |
230 | (char *) &pegasus->dr, | |
231 | buffer, size, ctrl_callback, pegasus); | |
232 | ||
233 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
234 | set_current_state(TASK_UNINTERRUPTIBLE); | |
235 | ||
236 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { | |
955a2608 DB |
237 | if (ret == -ENODEV) |
238 | netif_device_detach(pegasus->net); | |
a475f603 JP |
239 | netif_err(pegasus, drv, pegasus->net, |
240 | "%s, status %d\n", __func__, ret); | |
1da177e4 LT |
241 | goto out; |
242 | } | |
243 | ||
244 | schedule(); | |
245 | out: | |
246 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
247 | kfree(buffer); | |
248 | ||
249 | return ret; | |
250 | } | |
251 | ||
252 | static int set_register(pegasus_t * pegasus, __u16 indx, __u8 data) | |
253 | { | |
254 | int ret; | |
255 | char *tmp; | |
256 | DECLARE_WAITQUEUE(wait, current); | |
257 | ||
258 | tmp = kmalloc(1, GFP_KERNEL); | |
259 | if (!tmp) { | |
a475f603 JP |
260 | netif_warn(pegasus, drv, pegasus->net, |
261 | "out of memory in %s\n", __func__); | |
1da177e4 LT |
262 | return -ENOMEM; |
263 | } | |
264 | memcpy(tmp, &data, 1); | |
265 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
266 | set_current_state(TASK_UNINTERRUPTIBLE); | |
267 | while (pegasus->flags & ETH_REGS_CHANGED) | |
268 | schedule(); | |
269 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
270 | set_current_state(TASK_RUNNING); | |
271 | ||
272 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
273 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REG; | |
274 | pegasus->dr.wValue = cpu_to_le16(data); | |
da2bbdcc | 275 | pegasus->dr.wIndex = cpu_to_le16(indx); |
1da177e4 LT |
276 | pegasus->dr.wLength = cpu_to_le16(1); |
277 | pegasus->ctrl_urb->transfer_buffer_length = 1; | |
278 | ||
279 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
280 | usb_sndctrlpipe(pegasus->usb, 0), | |
281 | (char *) &pegasus->dr, | |
016534cf | 282 | tmp, 1, ctrl_callback, pegasus); |
1da177e4 LT |
283 | |
284 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
285 | set_current_state(TASK_UNINTERRUPTIBLE); | |
286 | ||
287 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { | |
955a2608 DB |
288 | if (ret == -ENODEV) |
289 | netif_device_detach(pegasus->net); | |
a475f603 JP |
290 | if (net_ratelimit()) |
291 | netif_err(pegasus, drv, pegasus->net, | |
292 | "%s, status %d\n", __func__, ret); | |
1da177e4 LT |
293 | goto out; |
294 | } | |
295 | ||
296 | schedule(); | |
297 | out: | |
298 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
299 | kfree(tmp); | |
300 | ||
301 | return ret; | |
302 | } | |
303 | ||
304 | static int update_eth_regs_async(pegasus_t * pegasus) | |
305 | { | |
306 | int ret; | |
307 | ||
308 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
309 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS; | |
e3453f63 | 310 | pegasus->dr.wValue = cpu_to_le16(0); |
1da177e4 LT |
311 | pegasus->dr.wIndex = cpu_to_le16(EthCtrl0); |
312 | pegasus->dr.wLength = cpu_to_le16(3); | |
313 | pegasus->ctrl_urb->transfer_buffer_length = 3; | |
314 | ||
315 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
316 | usb_sndctrlpipe(pegasus->usb, 0), | |
317 | (char *) &pegasus->dr, | |
318 | pegasus->eth_regs, 3, ctrl_callback, pegasus); | |
319 | ||
955a2608 DB |
320 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { |
321 | if (ret == -ENODEV) | |
322 | netif_device_detach(pegasus->net); | |
a475f603 JP |
323 | netif_err(pegasus, drv, pegasus->net, |
324 | "%s, status %d\n", __func__, ret); | |
955a2608 | 325 | } |
1da177e4 LT |
326 | |
327 | return ret; | |
328 | } | |
329 | ||
c43c49bd | 330 | /* Returns 0 on success, error on failure */ |
1da177e4 LT |
331 | static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd) |
332 | { | |
333 | int i; | |
334 | __u8 data[4] = { phy, 0, 0, indx }; | |
335 | __le16 regdi; | |
336 | int ret; | |
337 | ||
4a1728a2 PM |
338 | set_register(pegasus, PhyCtrl, 0); |
339 | set_registers(pegasus, PhyAddr, sizeof (data), data); | |
340 | set_register(pegasus, PhyCtrl, (indx | PHY_READ)); | |
1da177e4 LT |
341 | for (i = 0; i < REG_TIMEOUT; i++) { |
342 | ret = get_registers(pegasus, PhyCtrl, 1, data); | |
7e713b82 DB |
343 | if (ret == -ESHUTDOWN) |
344 | goto fail; | |
1da177e4 LT |
345 | if (data[0] & PHY_DONE) |
346 | break; | |
347 | } | |
a475f603 JP |
348 | |
349 | if (i >= REG_TIMEOUT) | |
350 | goto fail; | |
351 | ||
352 | ret = get_registers(pegasus, PhyData, 2, ®di); | |
353 | *regd = le16_to_cpu(regdi); | |
354 | return ret; | |
355 | ||
7e713b82 | 356 | fail: |
a475f603 | 357 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
1da177e4 | 358 | |
4a1728a2 | 359 | return ret; |
1da177e4 LT |
360 | } |
361 | ||
362 | static int mdio_read(struct net_device *dev, int phy_id, int loc) | |
363 | { | |
364 | pegasus_t *pegasus = (pegasus_t *) netdev_priv(dev); | |
365 | u16 res; | |
366 | ||
367 | read_mii_word(pegasus, phy_id, loc, &res); | |
368 | return (int)res; | |
369 | } | |
370 | ||
371 | static int write_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 regd) | |
372 | { | |
373 | int i; | |
374 | __u8 data[4] = { phy, 0, 0, indx }; | |
375 | int ret; | |
376 | ||
377 | data[1] = (u8) regd; | |
378 | data[2] = (u8) (regd >> 8); | |
4a1728a2 PM |
379 | set_register(pegasus, PhyCtrl, 0); |
380 | set_registers(pegasus, PhyAddr, sizeof(data), data); | |
381 | set_register(pegasus, PhyCtrl, (indx | PHY_WRITE)); | |
1da177e4 LT |
382 | for (i = 0; i < REG_TIMEOUT; i++) { |
383 | ret = get_registers(pegasus, PhyCtrl, 1, data); | |
7e713b82 DB |
384 | if (ret == -ESHUTDOWN) |
385 | goto fail; | |
1da177e4 LT |
386 | if (data[0] & PHY_DONE) |
387 | break; | |
388 | } | |
a475f603 JP |
389 | |
390 | if (i >= REG_TIMEOUT) | |
391 | goto fail; | |
392 | ||
393 | return ret; | |
1da177e4 | 394 | |
7e713b82 | 395 | fail: |
a475f603 | 396 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 397 | return -ETIMEDOUT; |
1da177e4 LT |
398 | } |
399 | ||
400 | static void mdio_write(struct net_device *dev, int phy_id, int loc, int val) | |
401 | { | |
402 | pegasus_t *pegasus = (pegasus_t *) netdev_priv(dev); | |
403 | ||
404 | write_mii_word(pegasus, phy_id, loc, val); | |
405 | } | |
406 | ||
407 | static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata) | |
408 | { | |
409 | int i; | |
410 | __u8 tmp; | |
411 | __le16 retdatai; | |
412 | int ret; | |
413 | ||
4a1728a2 PM |
414 | set_register(pegasus, EpromCtrl, 0); |
415 | set_register(pegasus, EpromOffset, index); | |
416 | set_register(pegasus, EpromCtrl, EPROM_READ); | |
1da177e4 LT |
417 | |
418 | for (i = 0; i < REG_TIMEOUT; i++) { | |
419 | ret = get_registers(pegasus, EpromCtrl, 1, &tmp); | |
420 | if (tmp & EPROM_DONE) | |
421 | break; | |
7e713b82 DB |
422 | if (ret == -ESHUTDOWN) |
423 | goto fail; | |
1da177e4 | 424 | } |
a475f603 JP |
425 | if (i >= REG_TIMEOUT) |
426 | goto fail; | |
427 | ||
428 | ret = get_registers(pegasus, EpromData, 2, &retdatai); | |
429 | *retdata = le16_to_cpu(retdatai); | |
430 | return ret; | |
1da177e4 | 431 | |
7e713b82 | 432 | fail: |
a475f603 | 433 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 434 | return -ETIMEDOUT; |
1da177e4 LT |
435 | } |
436 | ||
437 | #ifdef PEGASUS_WRITE_EEPROM | |
438 | static inline void enable_eprom_write(pegasus_t * pegasus) | |
439 | { | |
440 | __u8 tmp; | |
441 | int ret; | |
442 | ||
4a1728a2 PM |
443 | get_registers(pegasus, EthCtrl2, 1, &tmp); |
444 | set_register(pegasus, EthCtrl2, tmp | EPROM_WR_ENABLE); | |
1da177e4 LT |
445 | } |
446 | ||
447 | static inline void disable_eprom_write(pegasus_t * pegasus) | |
448 | { | |
449 | __u8 tmp; | |
450 | int ret; | |
451 | ||
4a1728a2 PM |
452 | get_registers(pegasus, EthCtrl2, 1, &tmp); |
453 | set_register(pegasus, EpromCtrl, 0); | |
454 | set_register(pegasus, EthCtrl2, tmp & ~EPROM_WR_ENABLE); | |
1da177e4 LT |
455 | } |
456 | ||
457 | static int write_eprom_word(pegasus_t * pegasus, __u8 index, __u16 data) | |
458 | { | |
459 | int i; | |
460 | __u8 tmp, d[4] = { 0x3f, 0, 0, EPROM_WRITE }; | |
461 | int ret; | |
e3453f63 | 462 | __le16 le_data = cpu_to_le16(data); |
1da177e4 | 463 | |
4a1728a2 | 464 | set_registers(pegasus, EpromOffset, 4, d); |
1da177e4 | 465 | enable_eprom_write(pegasus); |
4a1728a2 | 466 | set_register(pegasus, EpromOffset, index); |
e3453f63 | 467 | set_registers(pegasus, EpromData, 2, &le_data); |
4a1728a2 | 468 | set_register(pegasus, EpromCtrl, EPROM_WRITE); |
1da177e4 LT |
469 | |
470 | for (i = 0; i < REG_TIMEOUT; i++) { | |
471 | ret = get_registers(pegasus, EpromCtrl, 1, &tmp); | |
7e713b82 DB |
472 | if (ret == -ESHUTDOWN) |
473 | goto fail; | |
1da177e4 LT |
474 | if (tmp & EPROM_DONE) |
475 | break; | |
476 | } | |
477 | disable_eprom_write(pegasus); | |
a475f603 JP |
478 | if (i >= REG_TIMEOUT) |
479 | goto fail; | |
480 | ||
481 | return ret; | |
482 | ||
7e713b82 | 483 | fail: |
a475f603 | 484 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 485 | return -ETIMEDOUT; |
1da177e4 LT |
486 | } |
487 | #endif /* PEGASUS_WRITE_EEPROM */ | |
488 | ||
489 | static inline void get_node_id(pegasus_t * pegasus, __u8 * id) | |
490 | { | |
491 | int i; | |
492 | __u16 w16; | |
493 | ||
494 | for (i = 0; i < 3; i++) { | |
495 | read_eprom_word(pegasus, i, &w16); | |
da2bbdcc | 496 | ((__le16 *) id)[i] = cpu_to_le16(w16); |
1da177e4 LT |
497 | } |
498 | } | |
499 | ||
500 | static void set_ethernet_addr(pegasus_t * pegasus) | |
501 | { | |
502 | __u8 node_id[6]; | |
1da177e4 | 503 | |
37cf3477 PM |
504 | if (pegasus->features & PEGASUS_II) { |
505 | get_registers(pegasus, 0x10, sizeof(node_id), node_id); | |
506 | } else { | |
507 | get_node_id(pegasus, node_id); | |
508 | set_registers(pegasus, EthID, sizeof (node_id), node_id); | |
509 | } | |
1da177e4 LT |
510 | memcpy(pegasus->net->dev_addr, node_id, sizeof (node_id)); |
511 | } | |
512 | ||
513 | static inline int reset_mac(pegasus_t * pegasus) | |
514 | { | |
515 | __u8 data = 0x8; | |
516 | int i; | |
1da177e4 | 517 | |
4a1728a2 | 518 | set_register(pegasus, EthCtrl1, data); |
1da177e4 | 519 | for (i = 0; i < REG_TIMEOUT; i++) { |
4a1728a2 | 520 | get_registers(pegasus, EthCtrl1, 1, &data); |
1da177e4 LT |
521 | if (~data & 0x08) { |
522 | if (loopback & 1) | |
523 | break; | |
524 | if (mii_mode && (pegasus->features & HAS_HOME_PNA)) | |
4a1728a2 | 525 | set_register(pegasus, Gpio1, 0x34); |
1da177e4 | 526 | else |
4a1728a2 PM |
527 | set_register(pegasus, Gpio1, 0x26); |
528 | set_register(pegasus, Gpio0, pegasus->features); | |
529 | set_register(pegasus, Gpio0, DEFAULT_GPIO_SET); | |
1da177e4 LT |
530 | break; |
531 | } | |
532 | } | |
533 | if (i == REG_TIMEOUT) | |
4a1728a2 | 534 | return -ETIMEDOUT; |
1da177e4 LT |
535 | |
536 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || | |
537 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { | |
4a1728a2 PM |
538 | set_register(pegasus, Gpio0, 0x24); |
539 | set_register(pegasus, Gpio0, 0x26); | |
1da177e4 LT |
540 | } |
541 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_ELCON) { | |
542 | __u16 auxmode; | |
543 | read_mii_word(pegasus, 3, 0x1b, &auxmode); | |
544 | write_mii_word(pegasus, 3, 0x1b, auxmode | 4); | |
545 | } | |
546 | ||
547 | return 0; | |
548 | } | |
549 | ||
550 | static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) | |
551 | { | |
552 | __u16 linkpart; | |
553 | __u8 data[4]; | |
554 | pegasus_t *pegasus = netdev_priv(dev); | |
555 | int ret; | |
556 | ||
557 | read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); | |
558 | data[0] = 0xc9; | |
559 | data[1] = 0; | |
560 | if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) | |
561 | data[1] |= 0x20; /* set full duplex */ | |
562 | if (linkpart & (ADVERTISE_100FULL | ADVERTISE_100HALF)) | |
563 | data[1] |= 0x10; /* set 100 Mbps */ | |
564 | if (mii_mode) | |
565 | data[1] = 0; | |
566 | data[2] = (loopback & 1) ? 0x09 : 0x01; | |
567 | ||
568 | memcpy(pegasus->eth_regs, data, sizeof (data)); | |
569 | ret = set_registers(pegasus, EthCtrl0, 3, data); | |
570 | ||
571 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || | |
efafe6fb | 572 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS2 || |
1da177e4 LT |
573 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { |
574 | u16 auxmode; | |
575 | read_mii_word(pegasus, 0, 0x1b, &auxmode); | |
576 | write_mii_word(pegasus, 0, 0x1b, auxmode | 4); | |
577 | } | |
578 | ||
4a1728a2 | 579 | return ret; |
1da177e4 LT |
580 | } |
581 | ||
582 | static void fill_skb_pool(pegasus_t * pegasus) | |
583 | { | |
584 | int i; | |
585 | ||
586 | for (i = 0; i < RX_SKBS; i++) { | |
587 | if (pegasus->rx_pool[i]) | |
588 | continue; | |
589 | pegasus->rx_pool[i] = dev_alloc_skb(PEGASUS_MTU + 2); | |
590 | /* | |
591 | ** we give up if the allocation fail. the tasklet will be | |
592 | ** rescheduled again anyway... | |
593 | */ | |
594 | if (pegasus->rx_pool[i] == NULL) | |
595 | return; | |
1da177e4 LT |
596 | skb_reserve(pegasus->rx_pool[i], 2); |
597 | } | |
598 | } | |
599 | ||
600 | static void free_skb_pool(pegasus_t * pegasus) | |
601 | { | |
602 | int i; | |
603 | ||
604 | for (i = 0; i < RX_SKBS; i++) { | |
605 | if (pegasus->rx_pool[i]) { | |
606 | dev_kfree_skb(pegasus->rx_pool[i]); | |
607 | pegasus->rx_pool[i] = NULL; | |
608 | } | |
609 | } | |
610 | } | |
611 | ||
612 | static inline struct sk_buff *pull_skb(pegasus_t * pegasus) | |
613 | { | |
614 | int i; | |
615 | struct sk_buff *skb; | |
616 | ||
617 | for (i = 0; i < RX_SKBS; i++) { | |
618 | if (likely(pegasus->rx_pool[i] != NULL)) { | |
619 | skb = pegasus->rx_pool[i]; | |
620 | pegasus->rx_pool[i] = NULL; | |
621 | return skb; | |
622 | } | |
623 | } | |
624 | return NULL; | |
625 | } | |
626 | ||
7d12e780 | 627 | static void read_bulk_callback(struct urb *urb) |
1da177e4 LT |
628 | { |
629 | pegasus_t *pegasus = urb->context; | |
630 | struct net_device *net; | |
631 | int rx_status, count = urb->actual_length; | |
c94cb314 | 632 | int status = urb->status; |
1da177e4 LT |
633 | u8 *buf = urb->transfer_buffer; |
634 | __u16 pkt_len; | |
635 | ||
636 | if (!pegasus) | |
637 | return; | |
638 | ||
639 | net = pegasus->net; | |
640 | if (!netif_device_present(net) || !netif_running(net)) | |
641 | return; | |
642 | ||
c94cb314 | 643 | switch (status) { |
1da177e4 LT |
644 | case 0: |
645 | break; | |
38e2bfc9 | 646 | case -ETIME: |
a475f603 | 647 | netif_dbg(pegasus, rx_err, net, "reset MAC\n"); |
1da177e4 LT |
648 | pegasus->flags &= ~PEGASUS_RX_BUSY; |
649 | break; | |
650 | case -EPIPE: /* stall, or disconnect from TT */ | |
651 | /* FIXME schedule work to clear the halt */ | |
a475f603 | 652 | netif_warn(pegasus, rx_err, net, "no rx stall recovery\n"); |
1da177e4 LT |
653 | return; |
654 | case -ENOENT: | |
655 | case -ECONNRESET: | |
656 | case -ESHUTDOWN: | |
a475f603 | 657 | netif_dbg(pegasus, ifdown, net, "rx unlink, %d\n", status); |
1da177e4 LT |
658 | return; |
659 | default: | |
a475f603 | 660 | netif_dbg(pegasus, rx_err, net, "RX status %d\n", status); |
1da177e4 LT |
661 | goto goon; |
662 | } | |
663 | ||
664 | if (!count || count < 4) | |
665 | goto goon; | |
666 | ||
667 | rx_status = buf[count - 2]; | |
668 | if (rx_status & 0x1e) { | |
a475f603 JP |
669 | netif_dbg(pegasus, rx_err, net, |
670 | "RX packet error %x\n", rx_status); | |
1da177e4 LT |
671 | pegasus->stats.rx_errors++; |
672 | if (rx_status & 0x06) // long or runt | |
673 | pegasus->stats.rx_length_errors++; | |
674 | if (rx_status & 0x08) | |
675 | pegasus->stats.rx_crc_errors++; | |
676 | if (rx_status & 0x10) // extra bits | |
677 | pegasus->stats.rx_frame_errors++; | |
678 | goto goon; | |
679 | } | |
680 | if (pegasus->chip == 0x8513) { | |
681 | pkt_len = le32_to_cpu(*(__le32 *)urb->transfer_buffer); | |
682 | pkt_len &= 0x0fff; | |
683 | pegasus->rx_skb->data += 2; | |
684 | } else { | |
685 | pkt_len = buf[count - 3] << 8; | |
686 | pkt_len += buf[count - 4]; | |
687 | pkt_len &= 0xfff; | |
688 | pkt_len -= 8; | |
689 | } | |
690 | ||
a85a46f2 KV |
691 | /* |
692 | * If the packet is unreasonably long, quietly drop it rather than | |
693 | * kernel panicing by calling skb_put. | |
694 | */ | |
695 | if (pkt_len > PEGASUS_MTU) | |
696 | goto goon; | |
697 | ||
1da177e4 LT |
698 | /* |
699 | * at this point we are sure pegasus->rx_skb != NULL | |
700 | * so we go ahead and pass up the packet. | |
701 | */ | |
702 | skb_put(pegasus->rx_skb, pkt_len); | |
703 | pegasus->rx_skb->protocol = eth_type_trans(pegasus->rx_skb, net); | |
704 | netif_rx(pegasus->rx_skb); | |
705 | pegasus->stats.rx_packets++; | |
706 | pegasus->stats.rx_bytes += pkt_len; | |
707 | ||
708 | if (pegasus->flags & PEGASUS_UNPLUG) | |
709 | return; | |
710 | ||
711 | spin_lock(&pegasus->rx_pool_lock); | |
712 | pegasus->rx_skb = pull_skb(pegasus); | |
713 | spin_unlock(&pegasus->rx_pool_lock); | |
714 | ||
715 | if (pegasus->rx_skb == NULL) | |
716 | goto tl_sched; | |
717 | goon: | |
718 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, | |
719 | usb_rcvbulkpipe(pegasus->usb, 1), | |
720 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
721 | read_bulk_callback, pegasus); | |
955a2608 DB |
722 | rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); |
723 | if (rx_status == -ENODEV) | |
724 | netif_device_detach(pegasus->net); | |
725 | else if (rx_status) { | |
1da177e4 LT |
726 | pegasus->flags |= PEGASUS_RX_URB_FAIL; |
727 | goto tl_sched; | |
728 | } else { | |
729 | pegasus->flags &= ~PEGASUS_RX_URB_FAIL; | |
730 | } | |
731 | ||
732 | return; | |
733 | ||
734 | tl_sched: | |
735 | tasklet_schedule(&pegasus->rx_tl); | |
736 | } | |
737 | ||
738 | static void rx_fixup(unsigned long data) | |
739 | { | |
740 | pegasus_t *pegasus; | |
741 | unsigned long flags; | |
955a2608 | 742 | int status; |
1da177e4 LT |
743 | |
744 | pegasus = (pegasus_t *) data; | |
745 | if (pegasus->flags & PEGASUS_UNPLUG) | |
746 | return; | |
747 | ||
748 | spin_lock_irqsave(&pegasus->rx_pool_lock, flags); | |
749 | fill_skb_pool(pegasus); | |
750 | if (pegasus->flags & PEGASUS_RX_URB_FAIL) | |
751 | if (pegasus->rx_skb) | |
752 | goto try_again; | |
753 | if (pegasus->rx_skb == NULL) { | |
754 | pegasus->rx_skb = pull_skb(pegasus); | |
755 | } | |
756 | if (pegasus->rx_skb == NULL) { | |
a475f603 | 757 | netif_warn(pegasus, rx_err, pegasus->net, "low on memory\n"); |
1da177e4 LT |
758 | tasklet_schedule(&pegasus->rx_tl); |
759 | goto done; | |
760 | } | |
761 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, | |
762 | usb_rcvbulkpipe(pegasus->usb, 1), | |
763 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
764 | read_bulk_callback, pegasus); | |
765 | try_again: | |
955a2608 DB |
766 | status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); |
767 | if (status == -ENODEV) | |
768 | netif_device_detach(pegasus->net); | |
769 | else if (status) { | |
1da177e4 LT |
770 | pegasus->flags |= PEGASUS_RX_URB_FAIL; |
771 | tasklet_schedule(&pegasus->rx_tl); | |
772 | } else { | |
773 | pegasus->flags &= ~PEGASUS_RX_URB_FAIL; | |
774 | } | |
775 | done: | |
776 | spin_unlock_irqrestore(&pegasus->rx_pool_lock, flags); | |
777 | } | |
778 | ||
7d12e780 | 779 | static void write_bulk_callback(struct urb *urb) |
1da177e4 LT |
780 | { |
781 | pegasus_t *pegasus = urb->context; | |
9351982b | 782 | struct net_device *net; |
c94cb314 | 783 | int status = urb->status; |
1da177e4 LT |
784 | |
785 | if (!pegasus) | |
786 | return; | |
787 | ||
9351982b MG |
788 | net = pegasus->net; |
789 | ||
1da177e4 LT |
790 | if (!netif_device_present(net) || !netif_running(net)) |
791 | return; | |
792 | ||
c94cb314 | 793 | switch (status) { |
1da177e4 LT |
794 | case -EPIPE: |
795 | /* FIXME schedule_work() to clear the tx halt */ | |
796 | netif_stop_queue(net); | |
a475f603 | 797 | netif_warn(pegasus, tx_err, net, "no tx stall recovery\n"); |
1da177e4 LT |
798 | return; |
799 | case -ENOENT: | |
800 | case -ECONNRESET: | |
801 | case -ESHUTDOWN: | |
a475f603 | 802 | netif_dbg(pegasus, ifdown, net, "tx unlink, %d\n", status); |
1da177e4 LT |
803 | return; |
804 | default: | |
a475f603 | 805 | netif_info(pegasus, tx_err, net, "TX status %d\n", status); |
1da177e4 LT |
806 | /* FALL THROUGH */ |
807 | case 0: | |
808 | break; | |
809 | } | |
810 | ||
811 | net->trans_start = jiffies; | |
812 | netif_wake_queue(net); | |
813 | } | |
814 | ||
7d12e780 | 815 | static void intr_callback(struct urb *urb) |
1da177e4 LT |
816 | { |
817 | pegasus_t *pegasus = urb->context; | |
818 | struct net_device *net; | |
c94cb314 | 819 | int res, status = urb->status; |
1da177e4 LT |
820 | |
821 | if (!pegasus) | |
822 | return; | |
823 | net = pegasus->net; | |
824 | ||
c94cb314 | 825 | switch (status) { |
1da177e4 LT |
826 | case 0: |
827 | break; | |
828 | case -ECONNRESET: /* unlink */ | |
829 | case -ENOENT: | |
830 | case -ESHUTDOWN: | |
831 | return; | |
832 | default: | |
833 | /* some Pegasus-I products report LOTS of data | |
834 | * toggle errors... avoid log spamming | |
835 | */ | |
a475f603 | 836 | netif_dbg(pegasus, timer, net, "intr status %d\n", status); |
1da177e4 LT |
837 | } |
838 | ||
839 | if (urb->actual_length >= 6) { | |
840 | u8 * d = urb->transfer_buffer; | |
841 | ||
842 | /* byte 0 == tx_status1, reg 2B */ | |
843 | if (d[0] & (TX_UNDERRUN|EXCESSIVE_COL | |
844 | |LATE_COL|JABBER_TIMEOUT)) { | |
845 | pegasus->stats.tx_errors++; | |
846 | if (d[0] & TX_UNDERRUN) | |
847 | pegasus->stats.tx_fifo_errors++; | |
848 | if (d[0] & (EXCESSIVE_COL | JABBER_TIMEOUT)) | |
849 | pegasus->stats.tx_aborted_errors++; | |
850 | if (d[0] & LATE_COL) | |
851 | pegasus->stats.tx_window_errors++; | |
852 | } | |
853 | ||
854 | /* d[5].LINK_STATUS lies on some adapters. | |
855 | * d[0].NO_CARRIER kicks in only with failed TX. | |
856 | * ... so monitoring with MII may be safest. | |
857 | */ | |
1da177e4 LT |
858 | |
859 | /* bytes 3-4 == rx_lostpkt, reg 2E/2F */ | |
860 | pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4]; | |
861 | } | |
862 | ||
c94cb314 ON |
863 | res = usb_submit_urb(urb, GFP_ATOMIC); |
864 | if (res == -ENODEV) | |
955a2608 | 865 | netif_device_detach(pegasus->net); |
a475f603 JP |
866 | if (res) |
867 | netif_err(pegasus, timer, net, | |
868 | "can't resubmit interrupt urb, %d\n", res); | |
1da177e4 LT |
869 | } |
870 | ||
871 | static void pegasus_tx_timeout(struct net_device *net) | |
872 | { | |
873 | pegasus_t *pegasus = netdev_priv(net); | |
a475f603 | 874 | netif_warn(pegasus, timer, net, "tx timeout\n"); |
1da177e4 LT |
875 | usb_unlink_urb(pegasus->tx_urb); |
876 | pegasus->stats.tx_errors++; | |
877 | } | |
878 | ||
25a79c41 SH |
879 | static netdev_tx_t pegasus_start_xmit(struct sk_buff *skb, |
880 | struct net_device *net) | |
1da177e4 LT |
881 | { |
882 | pegasus_t *pegasus = netdev_priv(net); | |
883 | int count = ((skb->len + 2) & 0x3f) ? skb->len + 2 : skb->len + 3; | |
884 | int res; | |
885 | __u16 l16 = skb->len; | |
886 | ||
887 | netif_stop_queue(net); | |
888 | ||
889 | ((__le16 *) pegasus->tx_buff)[0] = cpu_to_le16(l16); | |
d626f62b | 890 | skb_copy_from_linear_data(skb, pegasus->tx_buff + 2, skb->len); |
1da177e4 LT |
891 | usb_fill_bulk_urb(pegasus->tx_urb, pegasus->usb, |
892 | usb_sndbulkpipe(pegasus->usb, 2), | |
893 | pegasus->tx_buff, count, | |
894 | write_bulk_callback, pegasus); | |
895 | if ((res = usb_submit_urb(pegasus->tx_urb, GFP_ATOMIC))) { | |
a475f603 | 896 | netif_warn(pegasus, tx_err, net, "fail tx, %d\n", res); |
1da177e4 LT |
897 | switch (res) { |
898 | case -EPIPE: /* stall, or disconnect from TT */ | |
899 | /* cleanup should already have been scheduled */ | |
900 | break; | |
901 | case -ENODEV: /* disconnect() upcoming */ | |
9dd014eb | 902 | case -EPERM: |
955a2608 | 903 | netif_device_detach(pegasus->net); |
1da177e4 LT |
904 | break; |
905 | default: | |
906 | pegasus->stats.tx_errors++; | |
907 | netif_start_queue(net); | |
908 | } | |
909 | } else { | |
910 | pegasus->stats.tx_packets++; | |
911 | pegasus->stats.tx_bytes += skb->len; | |
912 | net->trans_start = jiffies; | |
913 | } | |
914 | dev_kfree_skb(skb); | |
915 | ||
6ed10654 | 916 | return NETDEV_TX_OK; |
1da177e4 LT |
917 | } |
918 | ||
919 | static struct net_device_stats *pegasus_netdev_stats(struct net_device *dev) | |
920 | { | |
921 | return &((pegasus_t *) netdev_priv(dev))->stats; | |
922 | } | |
923 | ||
924 | static inline void disable_net_traffic(pegasus_t * pegasus) | |
925 | { | |
e3453f63 | 926 | __le16 tmp = cpu_to_le16(0); |
1da177e4 | 927 | |
e3453f63 | 928 | set_registers(pegasus, EthCtrl0, sizeof(tmp), &tmp); |
1da177e4 LT |
929 | } |
930 | ||
931 | static inline void get_interrupt_interval(pegasus_t * pegasus) | |
932 | { | |
e3453f63 MB |
933 | u16 data; |
934 | u8 interval; | |
1da177e4 | 935 | |
e3453f63 MB |
936 | read_eprom_word(pegasus, 4, &data); |
937 | interval = data >> 8; | |
a85a46f2 | 938 | if (pegasus->usb->speed != USB_SPEED_HIGH) { |
e3453f63 | 939 | if (interval < 0x80) { |
a475f603 JP |
940 | netif_info(pegasus, timer, pegasus->net, |
941 | "intr interval changed from %ums to %ums\n", | |
942 | interval, 0x80); | |
e3453f63 MB |
943 | interval = 0x80; |
944 | data = (data & 0x00FF) | ((u16)interval << 8); | |
a85a46f2 | 945 | #ifdef PEGASUS_WRITE_EEPROM |
e3453f63 | 946 | write_eprom_word(pegasus, 4, data); |
1da177e4 | 947 | #endif |
a85a46f2 | 948 | } |
1da177e4 | 949 | } |
e3453f63 | 950 | pegasus->intr_interval = interval; |
1da177e4 LT |
951 | } |
952 | ||
953 | static void set_carrier(struct net_device *net) | |
954 | { | |
955 | pegasus_t *pegasus = netdev_priv(net); | |
956 | u16 tmp; | |
957 | ||
c43c49bd | 958 | if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp)) |
1da177e4 | 959 | return; |
a85a46f2 | 960 | |
1da177e4 LT |
961 | if (tmp & BMSR_LSTATUS) |
962 | netif_carrier_on(net); | |
963 | else | |
964 | netif_carrier_off(net); | |
965 | } | |
966 | ||
967 | static void free_all_urbs(pegasus_t * pegasus) | |
968 | { | |
969 | usb_free_urb(pegasus->intr_urb); | |
970 | usb_free_urb(pegasus->tx_urb); | |
971 | usb_free_urb(pegasus->rx_urb); | |
972 | usb_free_urb(pegasus->ctrl_urb); | |
973 | } | |
974 | ||
975 | static void unlink_all_urbs(pegasus_t * pegasus) | |
976 | { | |
977 | usb_kill_urb(pegasus->intr_urb); | |
978 | usb_kill_urb(pegasus->tx_urb); | |
979 | usb_kill_urb(pegasus->rx_urb); | |
980 | usb_kill_urb(pegasus->ctrl_urb); | |
981 | } | |
982 | ||
983 | static int alloc_urbs(pegasus_t * pegasus) | |
984 | { | |
985 | pegasus->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); | |
986 | if (!pegasus->ctrl_urb) { | |
987 | return 0; | |
988 | } | |
989 | pegasus->rx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
990 | if (!pegasus->rx_urb) { | |
991 | usb_free_urb(pegasus->ctrl_urb); | |
992 | return 0; | |
993 | } | |
994 | pegasus->tx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
995 | if (!pegasus->tx_urb) { | |
996 | usb_free_urb(pegasus->rx_urb); | |
997 | usb_free_urb(pegasus->ctrl_urb); | |
998 | return 0; | |
999 | } | |
1000 | pegasus->intr_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1001 | if (!pegasus->intr_urb) { | |
1002 | usb_free_urb(pegasus->tx_urb); | |
1003 | usb_free_urb(pegasus->rx_urb); | |
1004 | usb_free_urb(pegasus->ctrl_urb); | |
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | return 1; | |
1009 | } | |
1010 | ||
1011 | static int pegasus_open(struct net_device *net) | |
1012 | { | |
1013 | pegasus_t *pegasus = netdev_priv(net); | |
1014 | int res; | |
1015 | ||
1016 | if (pegasus->rx_skb == NULL) | |
1017 | pegasus->rx_skb = pull_skb(pegasus); | |
1018 | /* | |
1019 | ** Note: no point to free the pool. it is empty :-) | |
1020 | */ | |
1021 | if (!pegasus->rx_skb) | |
1022 | return -ENOMEM; | |
1023 | ||
1024 | res = set_registers(pegasus, EthID, 6, net->dev_addr); | |
1025 | ||
1026 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, | |
1027 | usb_rcvbulkpipe(pegasus->usb, 1), | |
1028 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
1029 | read_bulk_callback, pegasus); | |
1030 | if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { | |
955a2608 DB |
1031 | if (res == -ENODEV) |
1032 | netif_device_detach(pegasus->net); | |
a475f603 | 1033 | netif_dbg(pegasus, ifup, net, "failed rx_urb, %d\n", res); |
1da177e4 LT |
1034 | goto exit; |
1035 | } | |
1036 | ||
1037 | usb_fill_int_urb(pegasus->intr_urb, pegasus->usb, | |
1038 | usb_rcvintpipe(pegasus->usb, 3), | |
1039 | pegasus->intr_buff, sizeof (pegasus->intr_buff), | |
1040 | intr_callback, pegasus, pegasus->intr_interval); | |
1041 | if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) { | |
955a2608 DB |
1042 | if (res == -ENODEV) |
1043 | netif_device_detach(pegasus->net); | |
a475f603 | 1044 | netif_dbg(pegasus, ifup, net, "failed intr_urb, %d\n", res); |
1da177e4 LT |
1045 | usb_kill_urb(pegasus->rx_urb); |
1046 | goto exit; | |
1047 | } | |
1048 | if ((res = enable_net_traffic(net, pegasus->usb))) { | |
a475f603 JP |
1049 | netif_dbg(pegasus, ifup, net, |
1050 | "can't enable_net_traffic() - %d\n", res); | |
1da177e4 LT |
1051 | res = -EIO; |
1052 | usb_kill_urb(pegasus->rx_urb); | |
1053 | usb_kill_urb(pegasus->intr_urb); | |
1054 | free_skb_pool(pegasus); | |
1055 | goto exit; | |
1056 | } | |
1057 | set_carrier(net); | |
1058 | netif_start_queue(net); | |
a475f603 | 1059 | netif_dbg(pegasus, ifup, net, "open\n"); |
1da177e4 LT |
1060 | res = 0; |
1061 | exit: | |
1062 | return res; | |
1063 | } | |
1064 | ||
1065 | static int pegasus_close(struct net_device *net) | |
1066 | { | |
1067 | pegasus_t *pegasus = netdev_priv(net); | |
1068 | ||
1069 | netif_stop_queue(net); | |
1070 | if (!(pegasus->flags & PEGASUS_UNPLUG)) | |
1071 | disable_net_traffic(pegasus); | |
1072 | tasklet_kill(&pegasus->rx_tl); | |
1073 | unlink_all_urbs(pegasus); | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | static void pegasus_get_drvinfo(struct net_device *dev, | |
1079 | struct ethtool_drvinfo *info) | |
1080 | { | |
1081 | pegasus_t *pegasus = netdev_priv(dev); | |
1082 | strncpy(info->driver, driver_name, sizeof (info->driver) - 1); | |
1083 | strncpy(info->version, DRIVER_VERSION, sizeof (info->version) - 1); | |
1084 | usb_make_path(pegasus->usb, info->bus_info, sizeof (info->bus_info)); | |
1085 | } | |
1086 | ||
1087 | /* also handles three patterns of some kind in hardware */ | |
1088 | #define WOL_SUPPORTED (WAKE_MAGIC|WAKE_PHY) | |
1089 | ||
1090 | static void | |
1091 | pegasus_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
1092 | { | |
1093 | pegasus_t *pegasus = netdev_priv(dev); | |
1094 | ||
1095 | wol->supported = WAKE_MAGIC | WAKE_PHY; | |
1096 | wol->wolopts = pegasus->wolopts; | |
1097 | } | |
1098 | ||
1099 | static int | |
1100 | pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
1101 | { | |
1102 | pegasus_t *pegasus = netdev_priv(dev); | |
1103 | u8 reg78 = 0x04; | |
1104 | ||
1105 | if (wol->wolopts & ~WOL_SUPPORTED) | |
1106 | return -EINVAL; | |
1107 | ||
1108 | if (wol->wolopts & WAKE_MAGIC) | |
1109 | reg78 |= 0x80; | |
1110 | if (wol->wolopts & WAKE_PHY) | |
1111 | reg78 |= 0x40; | |
1112 | /* FIXME this 0x10 bit still needs to get set in the chip... */ | |
1113 | if (wol->wolopts) | |
1114 | pegasus->eth_regs[0] |= 0x10; | |
1115 | else | |
1116 | pegasus->eth_regs[0] &= ~0x10; | |
1117 | pegasus->wolopts = wol->wolopts; | |
1118 | return set_register(pegasus, WakeupControl, reg78); | |
1119 | } | |
1120 | ||
1121 | static inline void pegasus_reset_wol(struct net_device *dev) | |
1122 | { | |
1123 | struct ethtool_wolinfo wol; | |
1124 | ||
1125 | memset(&wol, 0, sizeof wol); | |
1126 | (void) pegasus_set_wol(dev, &wol); | |
1127 | } | |
1128 | ||
1129 | static int | |
1130 | pegasus_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) | |
1131 | { | |
1132 | pegasus_t *pegasus; | |
1133 | ||
1da177e4 LT |
1134 | pegasus = netdev_priv(dev); |
1135 | mii_ethtool_gset(&pegasus->mii, ecmd); | |
1da177e4 LT |
1136 | return 0; |
1137 | } | |
1138 | ||
1139 | static int | |
1140 | pegasus_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) | |
1141 | { | |
1142 | pegasus_t *pegasus = netdev_priv(dev); | |
1143 | return mii_ethtool_sset(&pegasus->mii, ecmd); | |
1144 | } | |
1145 | ||
1146 | static int pegasus_nway_reset(struct net_device *dev) | |
1147 | { | |
1148 | pegasus_t *pegasus = netdev_priv(dev); | |
1149 | return mii_nway_restart(&pegasus->mii); | |
1150 | } | |
1151 | ||
1152 | static u32 pegasus_get_link(struct net_device *dev) | |
1153 | { | |
1154 | pegasus_t *pegasus = netdev_priv(dev); | |
1155 | return mii_link_ok(&pegasus->mii); | |
1156 | } | |
1157 | ||
1158 | static u32 pegasus_get_msglevel(struct net_device *dev) | |
1159 | { | |
1160 | pegasus_t *pegasus = netdev_priv(dev); | |
1161 | return pegasus->msg_enable; | |
1162 | } | |
1163 | ||
1164 | static void pegasus_set_msglevel(struct net_device *dev, u32 v) | |
1165 | { | |
1166 | pegasus_t *pegasus = netdev_priv(dev); | |
1167 | pegasus->msg_enable = v; | |
1168 | } | |
1169 | ||
0fc0b732 | 1170 | static const struct ethtool_ops ops = { |
1da177e4 LT |
1171 | .get_drvinfo = pegasus_get_drvinfo, |
1172 | .get_settings = pegasus_get_settings, | |
1173 | .set_settings = pegasus_set_settings, | |
1174 | .nway_reset = pegasus_nway_reset, | |
1175 | .get_link = pegasus_get_link, | |
1176 | .get_msglevel = pegasus_get_msglevel, | |
1177 | .set_msglevel = pegasus_set_msglevel, | |
1178 | .get_wol = pegasus_get_wol, | |
1179 | .set_wol = pegasus_set_wol, | |
1180 | }; | |
1181 | ||
1182 | static int pegasus_ioctl(struct net_device *net, struct ifreq *rq, int cmd) | |
1183 | { | |
1184 | __u16 *data = (__u16 *) & rq->ifr_ifru; | |
1185 | pegasus_t *pegasus = netdev_priv(net); | |
1186 | int res; | |
1187 | ||
1188 | switch (cmd) { | |
1189 | case SIOCDEVPRIVATE: | |
1190 | data[0] = pegasus->phy; | |
1191 | case SIOCDEVPRIVATE + 1: | |
1192 | read_mii_word(pegasus, data[0], data[1] & 0x1f, &data[3]); | |
1193 | res = 0; | |
1194 | break; | |
1195 | case SIOCDEVPRIVATE + 2: | |
1196 | if (!capable(CAP_NET_ADMIN)) | |
1197 | return -EPERM; | |
1198 | write_mii_word(pegasus, pegasus->phy, data[1] & 0x1f, data[2]); | |
1199 | res = 0; | |
1200 | break; | |
1201 | default: | |
1202 | res = -EOPNOTSUPP; | |
1203 | } | |
1204 | return res; | |
1205 | } | |
1206 | ||
1207 | static void pegasus_set_multicast(struct net_device *net) | |
1208 | { | |
1209 | pegasus_t *pegasus = netdev_priv(net); | |
1210 | ||
1211 | if (net->flags & IFF_PROMISC) { | |
1212 | pegasus->eth_regs[EthCtrl2] |= RX_PROMISCUOUS; | |
a475f603 | 1213 | netif_info(pegasus, link, net, "Promiscuous mode enabled\n"); |
4cd24eaf | 1214 | } else if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI)) { |
1da177e4 LT |
1215 | pegasus->eth_regs[EthCtrl0] |= RX_MULTICAST; |
1216 | pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS; | |
a475f603 | 1217 | netif_dbg(pegasus, link, net, "set allmulti\n"); |
1da177e4 LT |
1218 | } else { |
1219 | pegasus->eth_regs[EthCtrl0] &= ~RX_MULTICAST; | |
1220 | pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS; | |
1221 | } | |
1222 | ||
e000ea13 DB |
1223 | pegasus->ctrl_urb->status = 0; |
1224 | ||
1da177e4 | 1225 | pegasus->flags |= ETH_REGS_CHANGE; |
7d12e780 | 1226 | ctrl_callback(pegasus->ctrl_urb); |
1da177e4 LT |
1227 | } |
1228 | ||
1229 | static __u8 mii_phy_probe(pegasus_t * pegasus) | |
1230 | { | |
1231 | int i; | |
1232 | __u16 tmp; | |
1233 | ||
1234 | for (i = 0; i < 32; i++) { | |
1235 | read_mii_word(pegasus, i, MII_BMSR, &tmp); | |
1236 | if (tmp == 0 || tmp == 0xffff || (tmp & BMSR_MEDIA) == 0) | |
1237 | continue; | |
1238 | else | |
1239 | return i; | |
1240 | } | |
1241 | ||
1242 | return 0xff; | |
1243 | } | |
1244 | ||
1245 | static inline void setup_pegasus_II(pegasus_t * pegasus) | |
1246 | { | |
1247 | __u8 data = 0xa5; | |
1da177e4 | 1248 | |
4a1728a2 PM |
1249 | set_register(pegasus, Reg1d, 0); |
1250 | set_register(pegasus, Reg7b, 1); | |
1da177e4 LT |
1251 | mdelay(100); |
1252 | if ((pegasus->features & HAS_HOME_PNA) && mii_mode) | |
4a1728a2 | 1253 | set_register(pegasus, Reg7b, 0); |
1da177e4 | 1254 | else |
4a1728a2 | 1255 | set_register(pegasus, Reg7b, 2); |
1da177e4 | 1256 | |
4a1728a2 PM |
1257 | set_register(pegasus, 0x83, data); |
1258 | get_registers(pegasus, 0x83, 1, &data); | |
1da177e4 LT |
1259 | |
1260 | if (data == 0xa5) { | |
1261 | pegasus->chip = 0x8513; | |
1262 | } else { | |
1263 | pegasus->chip = 0; | |
1264 | } | |
1265 | ||
4a1728a2 PM |
1266 | set_register(pegasus, 0x80, 0xc0); |
1267 | set_register(pegasus, 0x83, 0xff); | |
1268 | set_register(pegasus, 0x84, 0x01); | |
1da177e4 LT |
1269 | |
1270 | if (pegasus->features & HAS_HOME_PNA && mii_mode) | |
4a1728a2 | 1271 | set_register(pegasus, Reg81, 6); |
1da177e4 | 1272 | else |
4a1728a2 | 1273 | set_register(pegasus, Reg81, 2); |
1da177e4 LT |
1274 | } |
1275 | ||
1276 | ||
cda2836d | 1277 | static int pegasus_count; |
1da177e4 LT |
1278 | static struct workqueue_struct *pegasus_workqueue = NULL; |
1279 | #define CARRIER_CHECK_DELAY (2 * HZ) | |
1280 | ||
c4028958 | 1281 | static void check_carrier(struct work_struct *work) |
1da177e4 | 1282 | { |
c4028958 | 1283 | pegasus_t *pegasus = container_of(work, pegasus_t, carrier_check.work); |
1da177e4 LT |
1284 | set_carrier(pegasus->net); |
1285 | if (!(pegasus->flags & PEGASUS_UNPLUG)) { | |
1286 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, | |
1287 | CARRIER_CHECK_DELAY); | |
1288 | } | |
1289 | } | |
1290 | ||
4f63135e BC |
1291 | static int pegasus_blacklisted(struct usb_device *udev) |
1292 | { | |
1293 | struct usb_device_descriptor *udd = &udev->descriptor; | |
1294 | ||
1295 | /* Special quirk to keep the driver from handling the Belkin Bluetooth | |
1296 | * dongle which happens to have the same ID. | |
1297 | */ | |
e3453f63 MB |
1298 | if ((udd->idVendor == cpu_to_le16(VENDOR_BELKIN)) && |
1299 | (udd->idProduct == cpu_to_le16(0x0121)) && | |
4f63135e BC |
1300 | (udd->bDeviceClass == USB_CLASS_WIRELESS_CONTROLLER) && |
1301 | (udd->bDeviceProtocol == 1)) | |
1302 | return 1; | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
cda2836d DB |
1307 | /* we rely on probe() and remove() being serialized so we |
1308 | * don't need extra locking on pegasus_count. | |
1309 | */ | |
1310 | static void pegasus_dec_workqueue(void) | |
1311 | { | |
1312 | pegasus_count--; | |
1313 | if (pegasus_count == 0) { | |
1314 | destroy_workqueue(pegasus_workqueue); | |
1315 | pegasus_workqueue = NULL; | |
1316 | } | |
1317 | } | |
1318 | ||
1da177e4 LT |
1319 | static int pegasus_probe(struct usb_interface *intf, |
1320 | const struct usb_device_id *id) | |
1321 | { | |
1322 | struct usb_device *dev = interface_to_usbdev(intf); | |
1323 | struct net_device *net; | |
1324 | pegasus_t *pegasus; | |
1325 | int dev_index = id - pegasus_ids; | |
1326 | int res = -ENOMEM; | |
1327 | ||
cda2836d DB |
1328 | if (pegasus_blacklisted(dev)) |
1329 | return -ENODEV; | |
4f63135e | 1330 | |
cda2836d DB |
1331 | if (pegasus_count == 0) { |
1332 | pegasus_workqueue = create_singlethread_workqueue("pegasus"); | |
1333 | if (!pegasus_workqueue) | |
1334 | return -ENOMEM; | |
4f63135e | 1335 | } |
cda2836d DB |
1336 | pegasus_count++; |
1337 | ||
1338 | usb_get_dev(dev); | |
4f63135e | 1339 | |
1da177e4 LT |
1340 | net = alloc_etherdev(sizeof(struct pegasus)); |
1341 | if (!net) { | |
1342 | dev_err(&intf->dev, "can't allocate %s\n", "device"); | |
1343 | goto out; | |
1344 | } | |
1345 | ||
1346 | pegasus = netdev_priv(net); | |
1da177e4 LT |
1347 | pegasus->dev_index = dev_index; |
1348 | init_waitqueue_head(&pegasus->ctrl_wait); | |
1349 | ||
1350 | if (!alloc_urbs(pegasus)) { | |
1351 | dev_err(&intf->dev, "can't allocate %s\n", "urbs"); | |
1352 | goto out1; | |
1353 | } | |
1354 | ||
1355 | tasklet_init(&pegasus->rx_tl, rx_fixup, (unsigned long) pegasus); | |
1356 | ||
c4028958 | 1357 | INIT_DELAYED_WORK(&pegasus->carrier_check, check_carrier); |
1da177e4 LT |
1358 | |
1359 | pegasus->intf = intf; | |
1360 | pegasus->usb = dev; | |
1361 | pegasus->net = net; | |
8cb89571 ON |
1362 | |
1363 | ||
1da177e4 | 1364 | net->watchdog_timeo = PEGASUS_TX_TIMEOUT; |
8cb89571 | 1365 | net->netdev_ops = &pegasus_netdev_ops; |
1da177e4 LT |
1366 | SET_ETHTOOL_OPS(net, &ops); |
1367 | pegasus->mii.dev = net; | |
1368 | pegasus->mii.mdio_read = mdio_read; | |
1369 | pegasus->mii.mdio_write = mdio_write; | |
1370 | pegasus->mii.phy_id_mask = 0x1f; | |
1371 | pegasus->mii.reg_num_mask = 0x1f; | |
1372 | spin_lock_init(&pegasus->rx_pool_lock); | |
1373 | pegasus->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV | |
1374 | | NETIF_MSG_PROBE | NETIF_MSG_LINK); | |
1375 | ||
1376 | pegasus->features = usb_dev_id[dev_index].private; | |
1377 | get_interrupt_interval(pegasus); | |
1378 | if (reset_mac(pegasus)) { | |
1379 | dev_err(&intf->dev, "can't reset MAC\n"); | |
1380 | res = -EIO; | |
1381 | goto out2; | |
1382 | } | |
1383 | set_ethernet_addr(pegasus); | |
1384 | fill_skb_pool(pegasus); | |
1385 | if (pegasus->features & PEGASUS_II) { | |
1386 | dev_info(&intf->dev, "setup Pegasus II specific registers\n"); | |
1387 | setup_pegasus_II(pegasus); | |
1388 | } | |
1389 | pegasus->phy = mii_phy_probe(pegasus); | |
1390 | if (pegasus->phy == 0xff) { | |
1391 | dev_warn(&intf->dev, "can't locate MII phy, using default\n"); | |
1392 | pegasus->phy = 1; | |
1393 | } | |
1394 | pegasus->mii.phy_id = pegasus->phy; | |
1395 | usb_set_intfdata(intf, pegasus); | |
1396 | SET_NETDEV_DEV(net, &intf->dev); | |
1397 | pegasus_reset_wol(net); | |
1398 | res = register_netdev(net); | |
1399 | if (res) | |
1400 | goto out3; | |
1401 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, | |
1402 | CARRIER_CHECK_DELAY); | |
1403 | ||
e174961c | 1404 | dev_info(&intf->dev, "%s, %s, %pM\n", |
0795af57 JP |
1405 | net->name, |
1406 | usb_dev_id[dev_index].name, | |
e174961c | 1407 | net->dev_addr); |
1da177e4 LT |
1408 | return 0; |
1409 | ||
1410 | out3: | |
1411 | usb_set_intfdata(intf, NULL); | |
1412 | free_skb_pool(pegasus); | |
1413 | out2: | |
1414 | free_all_urbs(pegasus); | |
1415 | out1: | |
1416 | free_netdev(net); | |
1417 | out: | |
1418 | usb_put_dev(dev); | |
cda2836d | 1419 | pegasus_dec_workqueue(); |
1da177e4 LT |
1420 | return res; |
1421 | } | |
1422 | ||
1423 | static void pegasus_disconnect(struct usb_interface *intf) | |
1424 | { | |
1425 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
1426 | ||
1427 | usb_set_intfdata(intf, NULL); | |
1428 | if (!pegasus) { | |
1429 | dev_dbg(&intf->dev, "unregistering non-bound device?\n"); | |
1430 | return; | |
1431 | } | |
1432 | ||
1433 | pegasus->flags |= PEGASUS_UNPLUG; | |
1434 | cancel_delayed_work(&pegasus->carrier_check); | |
1435 | unregister_netdev(pegasus->net); | |
1436 | usb_put_dev(interface_to_usbdev(intf)); | |
a85a46f2 | 1437 | unlink_all_urbs(pegasus); |
1da177e4 LT |
1438 | free_all_urbs(pegasus); |
1439 | free_skb_pool(pegasus); | |
4c13eb66 | 1440 | if (pegasus->rx_skb != NULL) { |
1da177e4 | 1441 | dev_kfree_skb(pegasus->rx_skb); |
4c13eb66 ACM |
1442 | pegasus->rx_skb = NULL; |
1443 | } | |
1da177e4 | 1444 | free_netdev(pegasus->net); |
cda2836d | 1445 | pegasus_dec_workqueue(); |
1da177e4 LT |
1446 | } |
1447 | ||
27d72e85 | 1448 | static int pegasus_suspend (struct usb_interface *intf, pm_message_t message) |
1da177e4 LT |
1449 | { |
1450 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
1451 | ||
1452 | netif_device_detach (pegasus->net); | |
7e713b82 | 1453 | cancel_delayed_work(&pegasus->carrier_check); |
27d72e85 | 1454 | if (netif_running(pegasus->net)) { |
27d72e85 DB |
1455 | usb_kill_urb(pegasus->rx_urb); |
1456 | usb_kill_urb(pegasus->intr_urb); | |
1457 | } | |
1da177e4 LT |
1458 | return 0; |
1459 | } | |
1460 | ||
1461 | static int pegasus_resume (struct usb_interface *intf) | |
1462 | { | |
1463 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
1464 | ||
1465 | netif_device_attach (pegasus->net); | |
27d72e85 DB |
1466 | if (netif_running(pegasus->net)) { |
1467 | pegasus->rx_urb->status = 0; | |
1468 | pegasus->rx_urb->actual_length = 0; | |
7d12e780 | 1469 | read_bulk_callback(pegasus->rx_urb); |
27d72e85 DB |
1470 | |
1471 | pegasus->intr_urb->status = 0; | |
1472 | pegasus->intr_urb->actual_length = 0; | |
7d12e780 | 1473 | intr_callback(pegasus->intr_urb); |
27d72e85 | 1474 | } |
7e713b82 DB |
1475 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, |
1476 | CARRIER_CHECK_DELAY); | |
1da177e4 LT |
1477 | return 0; |
1478 | } | |
1479 | ||
8cb89571 ON |
1480 | static const struct net_device_ops pegasus_netdev_ops = { |
1481 | .ndo_open = pegasus_open, | |
1482 | .ndo_stop = pegasus_close, | |
1483 | .ndo_do_ioctl = pegasus_ioctl, | |
1484 | .ndo_start_xmit = pegasus_start_xmit, | |
1485 | .ndo_set_multicast_list = pegasus_set_multicast, | |
1486 | .ndo_get_stats = pegasus_netdev_stats, | |
1487 | .ndo_tx_timeout = pegasus_tx_timeout, | |
635ecaa7 | 1488 | .ndo_change_mtu = eth_change_mtu, |
240c102d BH |
1489 | .ndo_set_mac_address = eth_mac_addr, |
1490 | .ndo_validate_addr = eth_validate_addr, | |
8cb89571 ON |
1491 | }; |
1492 | ||
1da177e4 LT |
1493 | static struct usb_driver pegasus_driver = { |
1494 | .name = driver_name, | |
1495 | .probe = pegasus_probe, | |
1496 | .disconnect = pegasus_disconnect, | |
1497 | .id_table = pegasus_ids, | |
1498 | .suspend = pegasus_suspend, | |
1499 | .resume = pegasus_resume, | |
1500 | }; | |
1501 | ||
cda2836d | 1502 | static void __init parse_id(char *id) |
a4f81a61 Y |
1503 | { |
1504 | unsigned int vendor_id=0, device_id=0, flags=0, i=0; | |
1505 | char *token, *name=NULL; | |
1506 | ||
1507 | if ((token = strsep(&id, ":")) != NULL) | |
1508 | name = token; | |
1509 | /* name now points to a null terminated string*/ | |
1510 | if ((token = strsep(&id, ":")) != NULL) | |
1511 | vendor_id = simple_strtoul(token, NULL, 16); | |
1512 | if ((token = strsep(&id, ":")) != NULL) | |
1513 | device_id = simple_strtoul(token, NULL, 16); | |
1514 | flags = simple_strtoul(id, NULL, 16); | |
1515 | pr_info("%s: new device %s, vendor ID 0x%04x, device ID 0x%04x, flags: 0x%x\n", | |
1516 | driver_name, name, vendor_id, device_id, flags); | |
1517 | ||
1518 | if (vendor_id > 0x10000 || vendor_id == 0) | |
1519 | return; | |
1520 | if (device_id > 0x10000 || device_id == 0) | |
1521 | return; | |
1522 | ||
1523 | for (i=0; usb_dev_id[i].name; i++); | |
1524 | usb_dev_id[i].name = name; | |
1525 | usb_dev_id[i].vendor = vendor_id; | |
1526 | usb_dev_id[i].device = device_id; | |
1527 | usb_dev_id[i].private = flags; | |
1528 | pegasus_ids[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; | |
1529 | pegasus_ids[i].idVendor = vendor_id; | |
1530 | pegasus_ids[i].idProduct = device_id; | |
1531 | } | |
1532 | ||
1da177e4 LT |
1533 | static int __init pegasus_init(void) |
1534 | { | |
1535 | pr_info("%s: %s, " DRIVER_DESC "\n", driver_name, DRIVER_VERSION); | |
a4f81a61 Y |
1536 | if (devid) |
1537 | parse_id(devid); | |
1da177e4 LT |
1538 | return usb_register(&pegasus_driver); |
1539 | } | |
1540 | ||
1541 | static void __exit pegasus_exit(void) | |
1542 | { | |
1da177e4 LT |
1543 | usb_deregister(&pegasus_driver); |
1544 | } | |
1545 | ||
1546 | module_init(pegasus_init); | |
1547 | module_exit(pegasus_exit); |