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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() | |
5a9dbfe0 | 24 | * time as this seems to break dhcpd. |
1da177e4 LT |
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 | |
5a9dbfe0 | 28 | * is out of the interrupt routine. |
1da177e4 LT |
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 | ||
eb939922 RR |
58 | static bool loopback; |
59 | static bool mii_mode; | |
5a9dbfe0 | 60 | static char *devid; |
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; | |
5a9dbfe0 NK |
105 | module_param(msg_level, int, 0); |
106 | MODULE_PARM_DESC(msg_level, "Override default message level"); | |
1da177e4 LT |
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 | ||
5a9dbfe0 | 144 | static int get_registers(pegasus_t *pegasus, __u16 indx, __u16 size, |
1da177e4 LT |
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 | ||
5a9dbfe0 | 199 | static int set_registers(pegasus_t *pegasus, __u16 indx, __u16 size, |
1da177e4 LT |
200 | void *data) |
201 | { | |
202 | int ret; | |
203 | char *buffer; | |
204 | DECLARE_WAITQUEUE(wait, current); | |
205 | ||
175c0441 | 206 | buffer = kmemdup(data, size, GFP_KERNEL); |
1da177e4 | 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 | } | |
1da177e4 LT |
212 | |
213 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
214 | set_current_state(TASK_UNINTERRUPTIBLE); | |
215 | while (pegasus->flags & ETH_REGS_CHANGED) | |
216 | schedule(); | |
217 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
218 | set_current_state(TASK_RUNNING); | |
219 | ||
220 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
221 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS; | |
222 | pegasus->dr.wValue = cpu_to_le16(0); | |
da2bbdcc HH |
223 | pegasus->dr.wIndex = cpu_to_le16(indx); |
224 | pegasus->dr.wLength = cpu_to_le16(size); | |
1da177e4 LT |
225 | pegasus->ctrl_urb->transfer_buffer_length = size; |
226 | ||
227 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
228 | usb_sndctrlpipe(pegasus->usb, 0), | |
229 | (char *) &pegasus->dr, | |
230 | buffer, size, ctrl_callback, pegasus); | |
231 | ||
232 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
233 | set_current_state(TASK_UNINTERRUPTIBLE); | |
234 | ||
235 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { | |
955a2608 DB |
236 | if (ret == -ENODEV) |
237 | netif_device_detach(pegasus->net); | |
a475f603 JP |
238 | netif_err(pegasus, drv, pegasus->net, |
239 | "%s, status %d\n", __func__, ret); | |
1da177e4 LT |
240 | goto out; |
241 | } | |
242 | ||
243 | schedule(); | |
244 | out: | |
245 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
246 | kfree(buffer); | |
247 | ||
248 | return ret; | |
249 | } | |
250 | ||
5a9dbfe0 | 251 | static int set_register(pegasus_t *pegasus, __u16 indx, __u8 data) |
1da177e4 LT |
252 | { |
253 | int ret; | |
254 | char *tmp; | |
255 | DECLARE_WAITQUEUE(wait, current); | |
256 | ||
175c0441 | 257 | tmp = kmemdup(&data, 1, GFP_KERNEL); |
1da177e4 | 258 | if (!tmp) { |
a475f603 JP |
259 | netif_warn(pegasus, drv, pegasus->net, |
260 | "out of memory in %s\n", __func__); | |
1da177e4 LT |
261 | return -ENOMEM; |
262 | } | |
1da177e4 LT |
263 | add_wait_queue(&pegasus->ctrl_wait, &wait); |
264 | set_current_state(TASK_UNINTERRUPTIBLE); | |
265 | while (pegasus->flags & ETH_REGS_CHANGED) | |
266 | schedule(); | |
267 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
268 | set_current_state(TASK_RUNNING); | |
269 | ||
270 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
271 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REG; | |
272 | pegasus->dr.wValue = cpu_to_le16(data); | |
da2bbdcc | 273 | pegasus->dr.wIndex = cpu_to_le16(indx); |
1da177e4 LT |
274 | pegasus->dr.wLength = cpu_to_le16(1); |
275 | pegasus->ctrl_urb->transfer_buffer_length = 1; | |
276 | ||
277 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
278 | usb_sndctrlpipe(pegasus->usb, 0), | |
279 | (char *) &pegasus->dr, | |
016534cf | 280 | tmp, 1, ctrl_callback, pegasus); |
1da177e4 LT |
281 | |
282 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
283 | set_current_state(TASK_UNINTERRUPTIBLE); | |
284 | ||
285 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { | |
955a2608 DB |
286 | if (ret == -ENODEV) |
287 | netif_device_detach(pegasus->net); | |
a475f603 JP |
288 | if (net_ratelimit()) |
289 | netif_err(pegasus, drv, pegasus->net, | |
290 | "%s, status %d\n", __func__, ret); | |
1da177e4 LT |
291 | goto out; |
292 | } | |
293 | ||
294 | schedule(); | |
295 | out: | |
296 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
297 | kfree(tmp); | |
298 | ||
299 | return ret; | |
300 | } | |
301 | ||
5a9dbfe0 | 302 | static int update_eth_regs_async(pegasus_t *pegasus) |
1da177e4 LT |
303 | { |
304 | int ret; | |
305 | ||
306 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
307 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS; | |
e3453f63 | 308 | pegasus->dr.wValue = cpu_to_le16(0); |
1da177e4 LT |
309 | pegasus->dr.wIndex = cpu_to_le16(EthCtrl0); |
310 | pegasus->dr.wLength = cpu_to_le16(3); | |
311 | pegasus->ctrl_urb->transfer_buffer_length = 3; | |
312 | ||
313 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
314 | usb_sndctrlpipe(pegasus->usb, 0), | |
315 | (char *) &pegasus->dr, | |
316 | pegasus->eth_regs, 3, ctrl_callback, pegasus); | |
317 | ||
955a2608 DB |
318 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { |
319 | if (ret == -ENODEV) | |
320 | netif_device_detach(pegasus->net); | |
a475f603 JP |
321 | netif_err(pegasus, drv, pegasus->net, |
322 | "%s, status %d\n", __func__, ret); | |
955a2608 | 323 | } |
1da177e4 LT |
324 | |
325 | return ret; | |
326 | } | |
327 | ||
c43c49bd | 328 | /* Returns 0 on success, error on failure */ |
5a9dbfe0 | 329 | static int read_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 *regd) |
1da177e4 LT |
330 | { |
331 | int i; | |
332 | __u8 data[4] = { phy, 0, 0, indx }; | |
333 | __le16 regdi; | |
334 | int ret; | |
335 | ||
4a1728a2 | 336 | set_register(pegasus, PhyCtrl, 0); |
5a9dbfe0 | 337 | set_registers(pegasus, PhyAddr, sizeof(data), data); |
4a1728a2 | 338 | set_register(pegasus, PhyCtrl, (indx | PHY_READ)); |
1da177e4 LT |
339 | for (i = 0; i < REG_TIMEOUT; i++) { |
340 | ret = get_registers(pegasus, PhyCtrl, 1, data); | |
7e713b82 DB |
341 | if (ret == -ESHUTDOWN) |
342 | goto fail; | |
1da177e4 LT |
343 | if (data[0] & PHY_DONE) |
344 | break; | |
345 | } | |
a475f603 JP |
346 | |
347 | if (i >= REG_TIMEOUT) | |
348 | goto fail; | |
349 | ||
350 | ret = get_registers(pegasus, PhyData, 2, ®di); | |
351 | *regd = le16_to_cpu(regdi); | |
352 | return ret; | |
353 | ||
7e713b82 | 354 | fail: |
a475f603 | 355 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
1da177e4 | 356 | |
4a1728a2 | 357 | return ret; |
1da177e4 LT |
358 | } |
359 | ||
360 | static int mdio_read(struct net_device *dev, int phy_id, int loc) | |
361 | { | |
8739cfef | 362 | pegasus_t *pegasus = netdev_priv(dev); |
1da177e4 LT |
363 | u16 res; |
364 | ||
365 | read_mii_word(pegasus, phy_id, loc, &res); | |
366 | return (int)res; | |
367 | } | |
368 | ||
5a9dbfe0 | 369 | static int write_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 regd) |
1da177e4 LT |
370 | { |
371 | int i; | |
372 | __u8 data[4] = { phy, 0, 0, indx }; | |
373 | int ret; | |
374 | ||
375 | data[1] = (u8) regd; | |
376 | data[2] = (u8) (regd >> 8); | |
4a1728a2 PM |
377 | set_register(pegasus, PhyCtrl, 0); |
378 | set_registers(pegasus, PhyAddr, sizeof(data), data); | |
379 | set_register(pegasus, PhyCtrl, (indx | PHY_WRITE)); | |
1da177e4 LT |
380 | for (i = 0; i < REG_TIMEOUT; i++) { |
381 | ret = get_registers(pegasus, PhyCtrl, 1, data); | |
7e713b82 DB |
382 | if (ret == -ESHUTDOWN) |
383 | goto fail; | |
1da177e4 LT |
384 | if (data[0] & PHY_DONE) |
385 | break; | |
386 | } | |
a475f603 JP |
387 | |
388 | if (i >= REG_TIMEOUT) | |
389 | goto fail; | |
390 | ||
391 | return ret; | |
1da177e4 | 392 | |
7e713b82 | 393 | fail: |
a475f603 | 394 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 395 | return -ETIMEDOUT; |
1da177e4 LT |
396 | } |
397 | ||
398 | static void mdio_write(struct net_device *dev, int phy_id, int loc, int val) | |
399 | { | |
8739cfef | 400 | pegasus_t *pegasus = netdev_priv(dev); |
1da177e4 LT |
401 | |
402 | write_mii_word(pegasus, phy_id, loc, val); | |
403 | } | |
404 | ||
5a9dbfe0 | 405 | static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata) |
1da177e4 LT |
406 | { |
407 | int i; | |
408 | __u8 tmp; | |
409 | __le16 retdatai; | |
410 | int ret; | |
411 | ||
4a1728a2 PM |
412 | set_register(pegasus, EpromCtrl, 0); |
413 | set_register(pegasus, EpromOffset, index); | |
414 | set_register(pegasus, EpromCtrl, EPROM_READ); | |
1da177e4 LT |
415 | |
416 | for (i = 0; i < REG_TIMEOUT; i++) { | |
417 | ret = get_registers(pegasus, EpromCtrl, 1, &tmp); | |
418 | if (tmp & EPROM_DONE) | |
419 | break; | |
7e713b82 DB |
420 | if (ret == -ESHUTDOWN) |
421 | goto fail; | |
1da177e4 | 422 | } |
a475f603 JP |
423 | if (i >= REG_TIMEOUT) |
424 | goto fail; | |
425 | ||
426 | ret = get_registers(pegasus, EpromData, 2, &retdatai); | |
427 | *retdata = le16_to_cpu(retdatai); | |
428 | return ret; | |
1da177e4 | 429 | |
7e713b82 | 430 | fail: |
a475f603 | 431 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 432 | return -ETIMEDOUT; |
1da177e4 LT |
433 | } |
434 | ||
435 | #ifdef PEGASUS_WRITE_EEPROM | |
5a9dbfe0 | 436 | static inline void enable_eprom_write(pegasus_t *pegasus) |
1da177e4 LT |
437 | { |
438 | __u8 tmp; | |
439 | int ret; | |
440 | ||
4a1728a2 PM |
441 | get_registers(pegasus, EthCtrl2, 1, &tmp); |
442 | set_register(pegasus, EthCtrl2, tmp | EPROM_WR_ENABLE); | |
1da177e4 LT |
443 | } |
444 | ||
5a9dbfe0 | 445 | static inline void disable_eprom_write(pegasus_t *pegasus) |
1da177e4 LT |
446 | { |
447 | __u8 tmp; | |
448 | int ret; | |
449 | ||
4a1728a2 PM |
450 | get_registers(pegasus, EthCtrl2, 1, &tmp); |
451 | set_register(pegasus, EpromCtrl, 0); | |
452 | set_register(pegasus, EthCtrl2, tmp & ~EPROM_WR_ENABLE); | |
1da177e4 LT |
453 | } |
454 | ||
5a9dbfe0 | 455 | static int write_eprom_word(pegasus_t *pegasus, __u8 index, __u16 data) |
1da177e4 LT |
456 | { |
457 | int i; | |
458 | __u8 tmp, d[4] = { 0x3f, 0, 0, EPROM_WRITE }; | |
459 | int ret; | |
e3453f63 | 460 | __le16 le_data = cpu_to_le16(data); |
1da177e4 | 461 | |
4a1728a2 | 462 | set_registers(pegasus, EpromOffset, 4, d); |
1da177e4 | 463 | enable_eprom_write(pegasus); |
4a1728a2 | 464 | set_register(pegasus, EpromOffset, index); |
e3453f63 | 465 | set_registers(pegasus, EpromData, 2, &le_data); |
4a1728a2 | 466 | set_register(pegasus, EpromCtrl, EPROM_WRITE); |
1da177e4 LT |
467 | |
468 | for (i = 0; i < REG_TIMEOUT; i++) { | |
469 | ret = get_registers(pegasus, EpromCtrl, 1, &tmp); | |
7e713b82 DB |
470 | if (ret == -ESHUTDOWN) |
471 | goto fail; | |
1da177e4 LT |
472 | if (tmp & EPROM_DONE) |
473 | break; | |
474 | } | |
475 | disable_eprom_write(pegasus); | |
a475f603 JP |
476 | if (i >= REG_TIMEOUT) |
477 | goto fail; | |
478 | ||
479 | return ret; | |
480 | ||
7e713b82 | 481 | fail: |
a475f603 | 482 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 483 | return -ETIMEDOUT; |
1da177e4 LT |
484 | } |
485 | #endif /* PEGASUS_WRITE_EEPROM */ | |
486 | ||
5a9dbfe0 | 487 | static inline void get_node_id(pegasus_t *pegasus, __u8 *id) |
1da177e4 LT |
488 | { |
489 | int i; | |
490 | __u16 w16; | |
491 | ||
492 | for (i = 0; i < 3; i++) { | |
493 | read_eprom_word(pegasus, i, &w16); | |
da2bbdcc | 494 | ((__le16 *) id)[i] = cpu_to_le16(w16); |
1da177e4 LT |
495 | } |
496 | } | |
497 | ||
5a9dbfe0 | 498 | static void set_ethernet_addr(pegasus_t *pegasus) |
1da177e4 LT |
499 | { |
500 | __u8 node_id[6]; | |
1da177e4 | 501 | |
37cf3477 PM |
502 | if (pegasus->features & PEGASUS_II) { |
503 | get_registers(pegasus, 0x10, sizeof(node_id), node_id); | |
504 | } else { | |
505 | get_node_id(pegasus, node_id); | |
5a9dbfe0 | 506 | set_registers(pegasus, EthID, sizeof(node_id), node_id); |
37cf3477 | 507 | } |
5a9dbfe0 | 508 | memcpy(pegasus->net->dev_addr, node_id, sizeof(node_id)); |
1da177e4 LT |
509 | } |
510 | ||
5a9dbfe0 | 511 | static inline int reset_mac(pegasus_t *pegasus) |
1da177e4 LT |
512 | { |
513 | __u8 data = 0x8; | |
514 | int i; | |
1da177e4 | 515 | |
4a1728a2 | 516 | set_register(pegasus, EthCtrl1, data); |
1da177e4 | 517 | for (i = 0; i < REG_TIMEOUT; i++) { |
4a1728a2 | 518 | get_registers(pegasus, EthCtrl1, 1, &data); |
1da177e4 | 519 | if (~data & 0x08) { |
681f1623 | 520 | if (loopback) |
1da177e4 LT |
521 | break; |
522 | if (mii_mode && (pegasus->features & HAS_HOME_PNA)) | |
4a1728a2 | 523 | set_register(pegasus, Gpio1, 0x34); |
1da177e4 | 524 | else |
4a1728a2 PM |
525 | set_register(pegasus, Gpio1, 0x26); |
526 | set_register(pegasus, Gpio0, pegasus->features); | |
527 | set_register(pegasus, Gpio0, DEFAULT_GPIO_SET); | |
1da177e4 LT |
528 | break; |
529 | } | |
530 | } | |
531 | if (i == REG_TIMEOUT) | |
4a1728a2 | 532 | return -ETIMEDOUT; |
1da177e4 LT |
533 | |
534 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || | |
535 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { | |
4a1728a2 PM |
536 | set_register(pegasus, Gpio0, 0x24); |
537 | set_register(pegasus, Gpio0, 0x26); | |
1da177e4 LT |
538 | } |
539 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_ELCON) { | |
540 | __u16 auxmode; | |
541 | read_mii_word(pegasus, 3, 0x1b, &auxmode); | |
542 | write_mii_word(pegasus, 3, 0x1b, auxmode | 4); | |
543 | } | |
544 | ||
545 | return 0; | |
546 | } | |
547 | ||
548 | static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) | |
549 | { | |
550 | __u16 linkpart; | |
551 | __u8 data[4]; | |
552 | pegasus_t *pegasus = netdev_priv(dev); | |
553 | int ret; | |
554 | ||
555 | read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); | |
556 | data[0] = 0xc9; | |
557 | data[1] = 0; | |
558 | if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) | |
559 | data[1] |= 0x20; /* set full duplex */ | |
560 | if (linkpart & (ADVERTISE_100FULL | ADVERTISE_100HALF)) | |
561 | data[1] |= 0x10; /* set 100 Mbps */ | |
562 | if (mii_mode) | |
563 | data[1] = 0; | |
681f1623 | 564 | data[2] = loopback ? 0x09 : 0x01; |
1da177e4 | 565 | |
5a9dbfe0 | 566 | memcpy(pegasus->eth_regs, data, sizeof(data)); |
1da177e4 LT |
567 | ret = set_registers(pegasus, EthCtrl0, 3, data); |
568 | ||
569 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || | |
efafe6fb | 570 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS2 || |
1da177e4 LT |
571 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { |
572 | u16 auxmode; | |
573 | read_mii_word(pegasus, 0, 0x1b, &auxmode); | |
574 | write_mii_word(pegasus, 0, 0x1b, auxmode | 4); | |
575 | } | |
576 | ||
4a1728a2 | 577 | return ret; |
1da177e4 LT |
578 | } |
579 | ||
5a9dbfe0 | 580 | static void fill_skb_pool(pegasus_t *pegasus) |
1da177e4 LT |
581 | { |
582 | int i; | |
583 | ||
584 | for (i = 0; i < RX_SKBS; i++) { | |
585 | if (pegasus->rx_pool[i]) | |
586 | continue; | |
587 | pegasus->rx_pool[i] = dev_alloc_skb(PEGASUS_MTU + 2); | |
588 | /* | |
589 | ** we give up if the allocation fail. the tasklet will be | |
590 | ** rescheduled again anyway... | |
591 | */ | |
592 | if (pegasus->rx_pool[i] == NULL) | |
593 | return; | |
1da177e4 LT |
594 | skb_reserve(pegasus->rx_pool[i], 2); |
595 | } | |
596 | } | |
597 | ||
5a9dbfe0 | 598 | static void free_skb_pool(pegasus_t *pegasus) |
1da177e4 LT |
599 | { |
600 | int i; | |
601 | ||
602 | for (i = 0; i < RX_SKBS; i++) { | |
603 | if (pegasus->rx_pool[i]) { | |
604 | dev_kfree_skb(pegasus->rx_pool[i]); | |
605 | pegasus->rx_pool[i] = NULL; | |
606 | } | |
607 | } | |
608 | } | |
609 | ||
610 | static inline struct sk_buff *pull_skb(pegasus_t * pegasus) | |
611 | { | |
612 | int i; | |
613 | struct sk_buff *skb; | |
614 | ||
615 | for (i = 0; i < RX_SKBS; i++) { | |
616 | if (likely(pegasus->rx_pool[i] != NULL)) { | |
617 | skb = pegasus->rx_pool[i]; | |
618 | pegasus->rx_pool[i] = NULL; | |
619 | return skb; | |
620 | } | |
621 | } | |
622 | return NULL; | |
623 | } | |
624 | ||
7d12e780 | 625 | static void read_bulk_callback(struct urb *urb) |
1da177e4 LT |
626 | { |
627 | pegasus_t *pegasus = urb->context; | |
628 | struct net_device *net; | |
629 | int rx_status, count = urb->actual_length; | |
c94cb314 | 630 | int status = urb->status; |
1da177e4 LT |
631 | u8 *buf = urb->transfer_buffer; |
632 | __u16 pkt_len; | |
633 | ||
634 | if (!pegasus) | |
635 | return; | |
636 | ||
637 | net = pegasus->net; | |
638 | if (!netif_device_present(net) || !netif_running(net)) | |
639 | return; | |
640 | ||
c94cb314 | 641 | switch (status) { |
1da177e4 LT |
642 | case 0: |
643 | break; | |
38e2bfc9 | 644 | case -ETIME: |
a475f603 | 645 | netif_dbg(pegasus, rx_err, net, "reset MAC\n"); |
1da177e4 LT |
646 | pegasus->flags &= ~PEGASUS_RX_BUSY; |
647 | break; | |
648 | case -EPIPE: /* stall, or disconnect from TT */ | |
649 | /* FIXME schedule work to clear the halt */ | |
a475f603 | 650 | netif_warn(pegasus, rx_err, net, "no rx stall recovery\n"); |
1da177e4 LT |
651 | return; |
652 | case -ENOENT: | |
653 | case -ECONNRESET: | |
654 | case -ESHUTDOWN: | |
a475f603 | 655 | netif_dbg(pegasus, ifdown, net, "rx unlink, %d\n", status); |
1da177e4 LT |
656 | return; |
657 | default: | |
a475f603 | 658 | netif_dbg(pegasus, rx_err, net, "RX status %d\n", status); |
1da177e4 LT |
659 | goto goon; |
660 | } | |
661 | ||
662 | if (!count || count < 4) | |
663 | goto goon; | |
664 | ||
665 | rx_status = buf[count - 2]; | |
666 | if (rx_status & 0x1e) { | |
a475f603 JP |
667 | netif_dbg(pegasus, rx_err, net, |
668 | "RX packet error %x\n", rx_status); | |
1da177e4 | 669 | pegasus->stats.rx_errors++; |
5a9dbfe0 | 670 | if (rx_status & 0x06) /* long or runt */ |
1da177e4 LT |
671 | pegasus->stats.rx_length_errors++; |
672 | if (rx_status & 0x08) | |
673 | pegasus->stats.rx_crc_errors++; | |
5a9dbfe0 | 674 | if (rx_status & 0x10) /* extra bits */ |
1da177e4 LT |
675 | pegasus->stats.rx_frame_errors++; |
676 | goto goon; | |
677 | } | |
678 | if (pegasus->chip == 0x8513) { | |
679 | pkt_len = le32_to_cpu(*(__le32 *)urb->transfer_buffer); | |
680 | pkt_len &= 0x0fff; | |
681 | pegasus->rx_skb->data += 2; | |
682 | } else { | |
683 | pkt_len = buf[count - 3] << 8; | |
684 | pkt_len += buf[count - 4]; | |
685 | pkt_len &= 0xfff; | |
686 | pkt_len -= 8; | |
687 | } | |
688 | ||
a85a46f2 KV |
689 | /* |
690 | * If the packet is unreasonably long, quietly drop it rather than | |
691 | * kernel panicing by calling skb_put. | |
692 | */ | |
693 | if (pkt_len > PEGASUS_MTU) | |
694 | goto goon; | |
695 | ||
1da177e4 LT |
696 | /* |
697 | * at this point we are sure pegasus->rx_skb != NULL | |
698 | * so we go ahead and pass up the packet. | |
699 | */ | |
700 | skb_put(pegasus->rx_skb, pkt_len); | |
701 | pegasus->rx_skb->protocol = eth_type_trans(pegasus->rx_skb, net); | |
702 | netif_rx(pegasus->rx_skb); | |
703 | pegasus->stats.rx_packets++; | |
704 | pegasus->stats.rx_bytes += pkt_len; | |
705 | ||
706 | if (pegasus->flags & PEGASUS_UNPLUG) | |
707 | return; | |
708 | ||
709 | spin_lock(&pegasus->rx_pool_lock); | |
710 | pegasus->rx_skb = pull_skb(pegasus); | |
711 | spin_unlock(&pegasus->rx_pool_lock); | |
712 | ||
713 | if (pegasus->rx_skb == NULL) | |
714 | goto tl_sched; | |
715 | goon: | |
716 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, | |
717 | usb_rcvbulkpipe(pegasus->usb, 1), | |
718 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
719 | read_bulk_callback, pegasus); | |
955a2608 DB |
720 | rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); |
721 | if (rx_status == -ENODEV) | |
722 | netif_device_detach(pegasus->net); | |
723 | else if (rx_status) { | |
1da177e4 LT |
724 | pegasus->flags |= PEGASUS_RX_URB_FAIL; |
725 | goto tl_sched; | |
726 | } else { | |
727 | pegasus->flags &= ~PEGASUS_RX_URB_FAIL; | |
728 | } | |
729 | ||
730 | return; | |
731 | ||
732 | tl_sched: | |
733 | tasklet_schedule(&pegasus->rx_tl); | |
734 | } | |
735 | ||
736 | static void rx_fixup(unsigned long data) | |
737 | { | |
738 | pegasus_t *pegasus; | |
739 | unsigned long flags; | |
955a2608 | 740 | int status; |
1da177e4 LT |
741 | |
742 | pegasus = (pegasus_t *) data; | |
743 | if (pegasus->flags & PEGASUS_UNPLUG) | |
744 | return; | |
745 | ||
746 | spin_lock_irqsave(&pegasus->rx_pool_lock, flags); | |
747 | fill_skb_pool(pegasus); | |
748 | if (pegasus->flags & PEGASUS_RX_URB_FAIL) | |
749 | if (pegasus->rx_skb) | |
750 | goto try_again; | |
5a9dbfe0 | 751 | if (pegasus->rx_skb == NULL) |
1da177e4 | 752 | pegasus->rx_skb = pull_skb(pegasus); |
1da177e4 | 753 | if (pegasus->rx_skb == NULL) { |
a475f603 | 754 | netif_warn(pegasus, rx_err, pegasus->net, "low on memory\n"); |
1da177e4 LT |
755 | tasklet_schedule(&pegasus->rx_tl); |
756 | goto done; | |
757 | } | |
758 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, | |
759 | usb_rcvbulkpipe(pegasus->usb, 1), | |
760 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
761 | read_bulk_callback, pegasus); | |
762 | try_again: | |
955a2608 DB |
763 | status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); |
764 | if (status == -ENODEV) | |
765 | netif_device_detach(pegasus->net); | |
766 | else if (status) { | |
1da177e4 LT |
767 | pegasus->flags |= PEGASUS_RX_URB_FAIL; |
768 | tasklet_schedule(&pegasus->rx_tl); | |
769 | } else { | |
770 | pegasus->flags &= ~PEGASUS_RX_URB_FAIL; | |
771 | } | |
772 | done: | |
773 | spin_unlock_irqrestore(&pegasus->rx_pool_lock, flags); | |
774 | } | |
775 | ||
7d12e780 | 776 | static void write_bulk_callback(struct urb *urb) |
1da177e4 LT |
777 | { |
778 | pegasus_t *pegasus = urb->context; | |
9351982b | 779 | struct net_device *net; |
c94cb314 | 780 | int status = urb->status; |
1da177e4 LT |
781 | |
782 | if (!pegasus) | |
783 | return; | |
784 | ||
9351982b MG |
785 | net = pegasus->net; |
786 | ||
1da177e4 LT |
787 | if (!netif_device_present(net) || !netif_running(net)) |
788 | return; | |
789 | ||
c94cb314 | 790 | switch (status) { |
1da177e4 LT |
791 | case -EPIPE: |
792 | /* FIXME schedule_work() to clear the tx halt */ | |
793 | netif_stop_queue(net); | |
a475f603 | 794 | netif_warn(pegasus, tx_err, net, "no tx stall recovery\n"); |
1da177e4 LT |
795 | return; |
796 | case -ENOENT: | |
797 | case -ECONNRESET: | |
798 | case -ESHUTDOWN: | |
a475f603 | 799 | netif_dbg(pegasus, ifdown, net, "tx unlink, %d\n", status); |
1da177e4 LT |
800 | return; |
801 | default: | |
a475f603 | 802 | netif_info(pegasus, tx_err, net, "TX status %d\n", status); |
1da177e4 LT |
803 | /* FALL THROUGH */ |
804 | case 0: | |
805 | break; | |
806 | } | |
807 | ||
1ae5dc34 | 808 | net->trans_start = jiffies; /* prevent tx timeout */ |
1da177e4 LT |
809 | netif_wake_queue(net); |
810 | } | |
811 | ||
7d12e780 | 812 | static void intr_callback(struct urb *urb) |
1da177e4 LT |
813 | { |
814 | pegasus_t *pegasus = urb->context; | |
815 | struct net_device *net; | |
c94cb314 | 816 | int res, status = urb->status; |
1da177e4 LT |
817 | |
818 | if (!pegasus) | |
819 | return; | |
820 | net = pegasus->net; | |
821 | ||
c94cb314 | 822 | switch (status) { |
1da177e4 LT |
823 | case 0: |
824 | break; | |
825 | case -ECONNRESET: /* unlink */ | |
826 | case -ENOENT: | |
827 | case -ESHUTDOWN: | |
828 | return; | |
829 | default: | |
830 | /* some Pegasus-I products report LOTS of data | |
831 | * toggle errors... avoid log spamming | |
832 | */ | |
a475f603 | 833 | netif_dbg(pegasus, timer, net, "intr status %d\n", status); |
1da177e4 LT |
834 | } |
835 | ||
836 | if (urb->actual_length >= 6) { | |
5a9dbfe0 | 837 | u8 *d = urb->transfer_buffer; |
1da177e4 LT |
838 | |
839 | /* byte 0 == tx_status1, reg 2B */ | |
840 | if (d[0] & (TX_UNDERRUN|EXCESSIVE_COL | |
841 | |LATE_COL|JABBER_TIMEOUT)) { | |
842 | pegasus->stats.tx_errors++; | |
843 | if (d[0] & TX_UNDERRUN) | |
844 | pegasus->stats.tx_fifo_errors++; | |
845 | if (d[0] & (EXCESSIVE_COL | JABBER_TIMEOUT)) | |
846 | pegasus->stats.tx_aborted_errors++; | |
847 | if (d[0] & LATE_COL) | |
848 | pegasus->stats.tx_window_errors++; | |
849 | } | |
850 | ||
851 | /* d[5].LINK_STATUS lies on some adapters. | |
852 | * d[0].NO_CARRIER kicks in only with failed TX. | |
853 | * ... so monitoring with MII may be safest. | |
854 | */ | |
1da177e4 LT |
855 | |
856 | /* bytes 3-4 == rx_lostpkt, reg 2E/2F */ | |
857 | pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4]; | |
858 | } | |
859 | ||
c94cb314 ON |
860 | res = usb_submit_urb(urb, GFP_ATOMIC); |
861 | if (res == -ENODEV) | |
955a2608 | 862 | netif_device_detach(pegasus->net); |
a475f603 JP |
863 | if (res) |
864 | netif_err(pegasus, timer, net, | |
865 | "can't resubmit interrupt urb, %d\n", res); | |
1da177e4 LT |
866 | } |
867 | ||
868 | static void pegasus_tx_timeout(struct net_device *net) | |
869 | { | |
870 | pegasus_t *pegasus = netdev_priv(net); | |
a475f603 | 871 | netif_warn(pegasus, timer, net, "tx timeout\n"); |
1da177e4 LT |
872 | usb_unlink_urb(pegasus->tx_urb); |
873 | pegasus->stats.tx_errors++; | |
874 | } | |
875 | ||
25a79c41 SH |
876 | static netdev_tx_t pegasus_start_xmit(struct sk_buff *skb, |
877 | struct net_device *net) | |
1da177e4 LT |
878 | { |
879 | pegasus_t *pegasus = netdev_priv(net); | |
880 | int count = ((skb->len + 2) & 0x3f) ? skb->len + 2 : skb->len + 3; | |
881 | int res; | |
882 | __u16 l16 = skb->len; | |
883 | ||
884 | netif_stop_queue(net); | |
885 | ||
886 | ((__le16 *) pegasus->tx_buff)[0] = cpu_to_le16(l16); | |
d626f62b | 887 | skb_copy_from_linear_data(skb, pegasus->tx_buff + 2, skb->len); |
1da177e4 LT |
888 | usb_fill_bulk_urb(pegasus->tx_urb, pegasus->usb, |
889 | usb_sndbulkpipe(pegasus->usb, 2), | |
890 | pegasus->tx_buff, count, | |
891 | write_bulk_callback, pegasus); | |
892 | if ((res = usb_submit_urb(pegasus->tx_urb, GFP_ATOMIC))) { | |
a475f603 | 893 | netif_warn(pegasus, tx_err, net, "fail tx, %d\n", res); |
1da177e4 LT |
894 | switch (res) { |
895 | case -EPIPE: /* stall, or disconnect from TT */ | |
896 | /* cleanup should already have been scheduled */ | |
897 | break; | |
898 | case -ENODEV: /* disconnect() upcoming */ | |
9dd014eb | 899 | case -EPERM: |
955a2608 | 900 | netif_device_detach(pegasus->net); |
1da177e4 LT |
901 | break; |
902 | default: | |
903 | pegasus->stats.tx_errors++; | |
904 | netif_start_queue(net); | |
905 | } | |
906 | } else { | |
907 | pegasus->stats.tx_packets++; | |
908 | pegasus->stats.tx_bytes += skb->len; | |
1da177e4 LT |
909 | } |
910 | dev_kfree_skb(skb); | |
911 | ||
6ed10654 | 912 | return NETDEV_TX_OK; |
1da177e4 LT |
913 | } |
914 | ||
915 | static struct net_device_stats *pegasus_netdev_stats(struct net_device *dev) | |
916 | { | |
917 | return &((pegasus_t *) netdev_priv(dev))->stats; | |
918 | } | |
919 | ||
5a9dbfe0 | 920 | static inline void disable_net_traffic(pegasus_t *pegasus) |
1da177e4 | 921 | { |
e3453f63 | 922 | __le16 tmp = cpu_to_le16(0); |
1da177e4 | 923 | |
e3453f63 | 924 | set_registers(pegasus, EthCtrl0, sizeof(tmp), &tmp); |
1da177e4 LT |
925 | } |
926 | ||
5a9dbfe0 | 927 | static inline void get_interrupt_interval(pegasus_t *pegasus) |
1da177e4 | 928 | { |
e3453f63 MB |
929 | u16 data; |
930 | u8 interval; | |
1da177e4 | 931 | |
e3453f63 MB |
932 | read_eprom_word(pegasus, 4, &data); |
933 | interval = data >> 8; | |
a85a46f2 | 934 | if (pegasus->usb->speed != USB_SPEED_HIGH) { |
e3453f63 | 935 | if (interval < 0x80) { |
a475f603 JP |
936 | netif_info(pegasus, timer, pegasus->net, |
937 | "intr interval changed from %ums to %ums\n", | |
938 | interval, 0x80); | |
e3453f63 MB |
939 | interval = 0x80; |
940 | data = (data & 0x00FF) | ((u16)interval << 8); | |
a85a46f2 | 941 | #ifdef PEGASUS_WRITE_EEPROM |
e3453f63 | 942 | write_eprom_word(pegasus, 4, data); |
1da177e4 | 943 | #endif |
a85a46f2 | 944 | } |
1da177e4 | 945 | } |
e3453f63 | 946 | pegasus->intr_interval = interval; |
1da177e4 LT |
947 | } |
948 | ||
949 | static void set_carrier(struct net_device *net) | |
950 | { | |
951 | pegasus_t *pegasus = netdev_priv(net); | |
952 | u16 tmp; | |
953 | ||
c43c49bd | 954 | if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp)) |
1da177e4 | 955 | return; |
a85a46f2 | 956 | |
1da177e4 LT |
957 | if (tmp & BMSR_LSTATUS) |
958 | netif_carrier_on(net); | |
959 | else | |
960 | netif_carrier_off(net); | |
961 | } | |
962 | ||
5a9dbfe0 | 963 | static void free_all_urbs(pegasus_t *pegasus) |
1da177e4 LT |
964 | { |
965 | usb_free_urb(pegasus->intr_urb); | |
966 | usb_free_urb(pegasus->tx_urb); | |
967 | usb_free_urb(pegasus->rx_urb); | |
968 | usb_free_urb(pegasus->ctrl_urb); | |
969 | } | |
970 | ||
5a9dbfe0 | 971 | static void unlink_all_urbs(pegasus_t *pegasus) |
1da177e4 LT |
972 | { |
973 | usb_kill_urb(pegasus->intr_urb); | |
974 | usb_kill_urb(pegasus->tx_urb); | |
975 | usb_kill_urb(pegasus->rx_urb); | |
976 | usb_kill_urb(pegasus->ctrl_urb); | |
977 | } | |
978 | ||
5a9dbfe0 | 979 | static int alloc_urbs(pegasus_t *pegasus) |
1da177e4 LT |
980 | { |
981 | pegasus->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); | |
5a9dbfe0 | 982 | if (!pegasus->ctrl_urb) |
1da177e4 | 983 | return 0; |
1da177e4 LT |
984 | pegasus->rx_urb = usb_alloc_urb(0, GFP_KERNEL); |
985 | if (!pegasus->rx_urb) { | |
986 | usb_free_urb(pegasus->ctrl_urb); | |
987 | return 0; | |
988 | } | |
989 | pegasus->tx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
990 | if (!pegasus->tx_urb) { | |
991 | usb_free_urb(pegasus->rx_urb); | |
992 | usb_free_urb(pegasus->ctrl_urb); | |
993 | return 0; | |
994 | } | |
995 | pegasus->intr_urb = usb_alloc_urb(0, GFP_KERNEL); | |
996 | if (!pegasus->intr_urb) { | |
997 | usb_free_urb(pegasus->tx_urb); | |
998 | usb_free_urb(pegasus->rx_urb); | |
999 | usb_free_urb(pegasus->ctrl_urb); | |
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | return 1; | |
1004 | } | |
1005 | ||
1006 | static int pegasus_open(struct net_device *net) | |
1007 | { | |
1008 | pegasus_t *pegasus = netdev_priv(net); | |
1009 | int res; | |
1010 | ||
1011 | if (pegasus->rx_skb == NULL) | |
1012 | pegasus->rx_skb = pull_skb(pegasus); | |
1013 | /* | |
1014 | ** Note: no point to free the pool. it is empty :-) | |
1015 | */ | |
1016 | if (!pegasus->rx_skb) | |
1017 | return -ENOMEM; | |
1018 | ||
1019 | res = set_registers(pegasus, EthID, 6, net->dev_addr); | |
5a9dbfe0 | 1020 | |
1da177e4 LT |
1021 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, |
1022 | usb_rcvbulkpipe(pegasus->usb, 1), | |
1023 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
1024 | read_bulk_callback, pegasus); | |
1025 | if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { | |
955a2608 DB |
1026 | if (res == -ENODEV) |
1027 | netif_device_detach(pegasus->net); | |
a475f603 | 1028 | netif_dbg(pegasus, ifup, net, "failed rx_urb, %d\n", res); |
1da177e4 LT |
1029 | goto exit; |
1030 | } | |
1031 | ||
1032 | usb_fill_int_urb(pegasus->intr_urb, pegasus->usb, | |
1033 | usb_rcvintpipe(pegasus->usb, 3), | |
5a9dbfe0 | 1034 | pegasus->intr_buff, sizeof(pegasus->intr_buff), |
1da177e4 LT |
1035 | intr_callback, pegasus, pegasus->intr_interval); |
1036 | if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) { | |
955a2608 DB |
1037 | if (res == -ENODEV) |
1038 | netif_device_detach(pegasus->net); | |
a475f603 | 1039 | netif_dbg(pegasus, ifup, net, "failed intr_urb, %d\n", res); |
1da177e4 LT |
1040 | usb_kill_urb(pegasus->rx_urb); |
1041 | goto exit; | |
1042 | } | |
1043 | if ((res = enable_net_traffic(net, pegasus->usb))) { | |
a475f603 JP |
1044 | netif_dbg(pegasus, ifup, net, |
1045 | "can't enable_net_traffic() - %d\n", res); | |
1da177e4 LT |
1046 | res = -EIO; |
1047 | usb_kill_urb(pegasus->rx_urb); | |
1048 | usb_kill_urb(pegasus->intr_urb); | |
1049 | free_skb_pool(pegasus); | |
1050 | goto exit; | |
1051 | } | |
1052 | set_carrier(net); | |
1053 | netif_start_queue(net); | |
a475f603 | 1054 | netif_dbg(pegasus, ifup, net, "open\n"); |
1da177e4 LT |
1055 | res = 0; |
1056 | exit: | |
1057 | return res; | |
1058 | } | |
1059 | ||
1060 | static int pegasus_close(struct net_device *net) | |
1061 | { | |
1062 | pegasus_t *pegasus = netdev_priv(net); | |
1063 | ||
1064 | netif_stop_queue(net); | |
1065 | if (!(pegasus->flags & PEGASUS_UNPLUG)) | |
1066 | disable_net_traffic(pegasus); | |
1067 | tasklet_kill(&pegasus->rx_tl); | |
1068 | unlink_all_urbs(pegasus); | |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | static void pegasus_get_drvinfo(struct net_device *dev, | |
1074 | struct ethtool_drvinfo *info) | |
1075 | { | |
1076 | pegasus_t *pegasus = netdev_priv(dev); | |
5a9dbfe0 NK |
1077 | strncpy(info->driver, driver_name, sizeof(info->driver) - 1); |
1078 | strncpy(info->version, DRIVER_VERSION, sizeof(info->version) - 1); | |
1079 | usb_make_path(pegasus->usb, info->bus_info, sizeof(info->bus_info)); | |
1da177e4 LT |
1080 | } |
1081 | ||
1082 | /* also handles three patterns of some kind in hardware */ | |
1083 | #define WOL_SUPPORTED (WAKE_MAGIC|WAKE_PHY) | |
1084 | ||
1085 | static void | |
1086 | pegasus_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
1087 | { | |
1088 | pegasus_t *pegasus = netdev_priv(dev); | |
1089 | ||
1090 | wol->supported = WAKE_MAGIC | WAKE_PHY; | |
1091 | wol->wolopts = pegasus->wolopts; | |
1092 | } | |
1093 | ||
1094 | static int | |
1095 | pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
1096 | { | |
1097 | pegasus_t *pegasus = netdev_priv(dev); | |
1098 | u8 reg78 = 0x04; | |
5a9dbfe0 | 1099 | |
1da177e4 LT |
1100 | if (wol->wolopts & ~WOL_SUPPORTED) |
1101 | return -EINVAL; | |
1102 | ||
1103 | if (wol->wolopts & WAKE_MAGIC) | |
1104 | reg78 |= 0x80; | |
1105 | if (wol->wolopts & WAKE_PHY) | |
1106 | reg78 |= 0x40; | |
1107 | /* FIXME this 0x10 bit still needs to get set in the chip... */ | |
1108 | if (wol->wolopts) | |
1109 | pegasus->eth_regs[0] |= 0x10; | |
1110 | else | |
1111 | pegasus->eth_regs[0] &= ~0x10; | |
1112 | pegasus->wolopts = wol->wolopts; | |
1113 | return set_register(pegasus, WakeupControl, reg78); | |
1114 | } | |
1115 | ||
1116 | static inline void pegasus_reset_wol(struct net_device *dev) | |
1117 | { | |
1118 | struct ethtool_wolinfo wol; | |
5a9dbfe0 | 1119 | |
1da177e4 LT |
1120 | memset(&wol, 0, sizeof wol); |
1121 | (void) pegasus_set_wol(dev, &wol); | |
1122 | } | |
1123 | ||
1124 | static int | |
1125 | pegasus_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) | |
1126 | { | |
1127 | pegasus_t *pegasus; | |
1128 | ||
1da177e4 LT |
1129 | pegasus = netdev_priv(dev); |
1130 | mii_ethtool_gset(&pegasus->mii, ecmd); | |
1da177e4 LT |
1131 | return 0; |
1132 | } | |
1133 | ||
1134 | static int | |
1135 | pegasus_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) | |
1136 | { | |
1137 | pegasus_t *pegasus = netdev_priv(dev); | |
1138 | return mii_ethtool_sset(&pegasus->mii, ecmd); | |
1139 | } | |
1140 | ||
1141 | static int pegasus_nway_reset(struct net_device *dev) | |
1142 | { | |
1143 | pegasus_t *pegasus = netdev_priv(dev); | |
1144 | return mii_nway_restart(&pegasus->mii); | |
1145 | } | |
1146 | ||
1147 | static u32 pegasus_get_link(struct net_device *dev) | |
1148 | { | |
1149 | pegasus_t *pegasus = netdev_priv(dev); | |
1150 | return mii_link_ok(&pegasus->mii); | |
1151 | } | |
1152 | ||
1153 | static u32 pegasus_get_msglevel(struct net_device *dev) | |
1154 | { | |
1155 | pegasus_t *pegasus = netdev_priv(dev); | |
1156 | return pegasus->msg_enable; | |
1157 | } | |
1158 | ||
1159 | static void pegasus_set_msglevel(struct net_device *dev, u32 v) | |
1160 | { | |
1161 | pegasus_t *pegasus = netdev_priv(dev); | |
1162 | pegasus->msg_enable = v; | |
1163 | } | |
1164 | ||
0fc0b732 | 1165 | static const struct ethtool_ops ops = { |
1da177e4 LT |
1166 | .get_drvinfo = pegasus_get_drvinfo, |
1167 | .get_settings = pegasus_get_settings, | |
1168 | .set_settings = pegasus_set_settings, | |
1169 | .nway_reset = pegasus_nway_reset, | |
1170 | .get_link = pegasus_get_link, | |
1171 | .get_msglevel = pegasus_get_msglevel, | |
1172 | .set_msglevel = pegasus_set_msglevel, | |
1173 | .get_wol = pegasus_get_wol, | |
1174 | .set_wol = pegasus_set_wol, | |
1175 | }; | |
1176 | ||
1177 | static int pegasus_ioctl(struct net_device *net, struct ifreq *rq, int cmd) | |
1178 | { | |
5a9dbfe0 | 1179 | __u16 *data = (__u16 *) &rq->ifr_ifru; |
1da177e4 LT |
1180 | pegasus_t *pegasus = netdev_priv(net); |
1181 | int res; | |
1182 | ||
1183 | switch (cmd) { | |
1184 | case SIOCDEVPRIVATE: | |
1185 | data[0] = pegasus->phy; | |
1186 | case SIOCDEVPRIVATE + 1: | |
1187 | read_mii_word(pegasus, data[0], data[1] & 0x1f, &data[3]); | |
1188 | res = 0; | |
1189 | break; | |
1190 | case SIOCDEVPRIVATE + 2: | |
1191 | if (!capable(CAP_NET_ADMIN)) | |
1192 | return -EPERM; | |
1193 | write_mii_word(pegasus, pegasus->phy, data[1] & 0x1f, data[2]); | |
1194 | res = 0; | |
1195 | break; | |
1196 | default: | |
1197 | res = -EOPNOTSUPP; | |
1198 | } | |
1199 | return res; | |
1200 | } | |
1201 | ||
1202 | static void pegasus_set_multicast(struct net_device *net) | |
1203 | { | |
1204 | pegasus_t *pegasus = netdev_priv(net); | |
1205 | ||
1206 | if (net->flags & IFF_PROMISC) { | |
1207 | pegasus->eth_regs[EthCtrl2] |= RX_PROMISCUOUS; | |
a475f603 | 1208 | netif_info(pegasus, link, net, "Promiscuous mode enabled\n"); |
4cd24eaf | 1209 | } else if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI)) { |
1da177e4 LT |
1210 | pegasus->eth_regs[EthCtrl0] |= RX_MULTICAST; |
1211 | pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS; | |
a475f603 | 1212 | netif_dbg(pegasus, link, net, "set allmulti\n"); |
1da177e4 LT |
1213 | } else { |
1214 | pegasus->eth_regs[EthCtrl0] &= ~RX_MULTICAST; | |
1215 | pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS; | |
1216 | } | |
1217 | ||
e000ea13 DB |
1218 | pegasus->ctrl_urb->status = 0; |
1219 | ||
1da177e4 | 1220 | pegasus->flags |= ETH_REGS_CHANGE; |
7d12e780 | 1221 | ctrl_callback(pegasus->ctrl_urb); |
1da177e4 LT |
1222 | } |
1223 | ||
5a9dbfe0 | 1224 | static __u8 mii_phy_probe(pegasus_t *pegasus) |
1da177e4 LT |
1225 | { |
1226 | int i; | |
1227 | __u16 tmp; | |
1228 | ||
1229 | for (i = 0; i < 32; i++) { | |
1230 | read_mii_word(pegasus, i, MII_BMSR, &tmp); | |
1231 | if (tmp == 0 || tmp == 0xffff || (tmp & BMSR_MEDIA) == 0) | |
1232 | continue; | |
1233 | else | |
1234 | return i; | |
1235 | } | |
1236 | ||
1237 | return 0xff; | |
1238 | } | |
1239 | ||
5a9dbfe0 | 1240 | static inline void setup_pegasus_II(pegasus_t *pegasus) |
1da177e4 LT |
1241 | { |
1242 | __u8 data = 0xa5; | |
5a9dbfe0 | 1243 | |
4a1728a2 PM |
1244 | set_register(pegasus, Reg1d, 0); |
1245 | set_register(pegasus, Reg7b, 1); | |
1da177e4 LT |
1246 | mdelay(100); |
1247 | if ((pegasus->features & HAS_HOME_PNA) && mii_mode) | |
4a1728a2 | 1248 | set_register(pegasus, Reg7b, 0); |
1da177e4 | 1249 | else |
4a1728a2 | 1250 | set_register(pegasus, Reg7b, 2); |
1da177e4 | 1251 | |
4a1728a2 PM |
1252 | set_register(pegasus, 0x83, data); |
1253 | get_registers(pegasus, 0x83, 1, &data); | |
1da177e4 | 1254 | |
5a9dbfe0 | 1255 | if (data == 0xa5) |
1da177e4 | 1256 | pegasus->chip = 0x8513; |
5a9dbfe0 | 1257 | else |
1da177e4 | 1258 | pegasus->chip = 0; |
1da177e4 | 1259 | |
4a1728a2 PM |
1260 | set_register(pegasus, 0x80, 0xc0); |
1261 | set_register(pegasus, 0x83, 0xff); | |
1262 | set_register(pegasus, 0x84, 0x01); | |
5a9dbfe0 | 1263 | |
1da177e4 | 1264 | if (pegasus->features & HAS_HOME_PNA && mii_mode) |
4a1728a2 | 1265 | set_register(pegasus, Reg81, 6); |
1da177e4 | 1266 | else |
4a1728a2 | 1267 | set_register(pegasus, Reg81, 2); |
1da177e4 LT |
1268 | } |
1269 | ||
1270 | ||
cda2836d | 1271 | static int pegasus_count; |
5a9dbfe0 | 1272 | static struct workqueue_struct *pegasus_workqueue; |
1da177e4 LT |
1273 | #define CARRIER_CHECK_DELAY (2 * HZ) |
1274 | ||
c4028958 | 1275 | static void check_carrier(struct work_struct *work) |
1da177e4 | 1276 | { |
c4028958 | 1277 | pegasus_t *pegasus = container_of(work, pegasus_t, carrier_check.work); |
1da177e4 LT |
1278 | set_carrier(pegasus->net); |
1279 | if (!(pegasus->flags & PEGASUS_UNPLUG)) { | |
1280 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, | |
1281 | CARRIER_CHECK_DELAY); | |
1282 | } | |
1283 | } | |
1284 | ||
4f63135e BC |
1285 | static int pegasus_blacklisted(struct usb_device *udev) |
1286 | { | |
1287 | struct usb_device_descriptor *udd = &udev->descriptor; | |
1288 | ||
1289 | /* Special quirk to keep the driver from handling the Belkin Bluetooth | |
1290 | * dongle which happens to have the same ID. | |
1291 | */ | |
e3453f63 MB |
1292 | if ((udd->idVendor == cpu_to_le16(VENDOR_BELKIN)) && |
1293 | (udd->idProduct == cpu_to_le16(0x0121)) && | |
4f63135e BC |
1294 | (udd->bDeviceClass == USB_CLASS_WIRELESS_CONTROLLER) && |
1295 | (udd->bDeviceProtocol == 1)) | |
1296 | return 1; | |
1297 | ||
1298 | return 0; | |
1299 | } | |
1300 | ||
cda2836d DB |
1301 | /* we rely on probe() and remove() being serialized so we |
1302 | * don't need extra locking on pegasus_count. | |
1303 | */ | |
1304 | static void pegasus_dec_workqueue(void) | |
1305 | { | |
1306 | pegasus_count--; | |
1307 | if (pegasus_count == 0) { | |
1308 | destroy_workqueue(pegasus_workqueue); | |
1309 | pegasus_workqueue = NULL; | |
1310 | } | |
1311 | } | |
1312 | ||
1da177e4 LT |
1313 | static int pegasus_probe(struct usb_interface *intf, |
1314 | const struct usb_device_id *id) | |
1315 | { | |
1316 | struct usb_device *dev = interface_to_usbdev(intf); | |
1317 | struct net_device *net; | |
1318 | pegasus_t *pegasus; | |
1319 | int dev_index = id - pegasus_ids; | |
1320 | int res = -ENOMEM; | |
1321 | ||
cda2836d DB |
1322 | if (pegasus_blacklisted(dev)) |
1323 | return -ENODEV; | |
4f63135e | 1324 | |
cda2836d DB |
1325 | if (pegasus_count == 0) { |
1326 | pegasus_workqueue = create_singlethread_workqueue("pegasus"); | |
1327 | if (!pegasus_workqueue) | |
1328 | return -ENOMEM; | |
4f63135e | 1329 | } |
cda2836d DB |
1330 | pegasus_count++; |
1331 | ||
1da177e4 | 1332 | net = alloc_etherdev(sizeof(struct pegasus)); |
41de8d4c | 1333 | if (!net) |
1da177e4 | 1334 | goto out; |
1da177e4 LT |
1335 | |
1336 | pegasus = netdev_priv(net); | |
1da177e4 LT |
1337 | pegasus->dev_index = dev_index; |
1338 | init_waitqueue_head(&pegasus->ctrl_wait); | |
1339 | ||
1340 | if (!alloc_urbs(pegasus)) { | |
1341 | dev_err(&intf->dev, "can't allocate %s\n", "urbs"); | |
1342 | goto out1; | |
1343 | } | |
1344 | ||
1345 | tasklet_init(&pegasus->rx_tl, rx_fixup, (unsigned long) pegasus); | |
1346 | ||
c4028958 | 1347 | INIT_DELAYED_WORK(&pegasus->carrier_check, check_carrier); |
1da177e4 LT |
1348 | |
1349 | pegasus->intf = intf; | |
1350 | pegasus->usb = dev; | |
1351 | pegasus->net = net; | |
8cb89571 ON |
1352 | |
1353 | ||
1da177e4 | 1354 | net->watchdog_timeo = PEGASUS_TX_TIMEOUT; |
8cb89571 | 1355 | net->netdev_ops = &pegasus_netdev_ops; |
1da177e4 LT |
1356 | SET_ETHTOOL_OPS(net, &ops); |
1357 | pegasus->mii.dev = net; | |
1358 | pegasus->mii.mdio_read = mdio_read; | |
1359 | pegasus->mii.mdio_write = mdio_write; | |
1360 | pegasus->mii.phy_id_mask = 0x1f; | |
1361 | pegasus->mii.reg_num_mask = 0x1f; | |
1362 | spin_lock_init(&pegasus->rx_pool_lock); | |
5a9dbfe0 | 1363 | pegasus->msg_enable = netif_msg_init(msg_level, NETIF_MSG_DRV |
1da177e4 LT |
1364 | | NETIF_MSG_PROBE | NETIF_MSG_LINK); |
1365 | ||
1366 | pegasus->features = usb_dev_id[dev_index].private; | |
1367 | get_interrupt_interval(pegasus); | |
1368 | if (reset_mac(pegasus)) { | |
1369 | dev_err(&intf->dev, "can't reset MAC\n"); | |
1370 | res = -EIO; | |
1371 | goto out2; | |
1372 | } | |
1373 | set_ethernet_addr(pegasus); | |
1374 | fill_skb_pool(pegasus); | |
1375 | if (pegasus->features & PEGASUS_II) { | |
1376 | dev_info(&intf->dev, "setup Pegasus II specific registers\n"); | |
1377 | setup_pegasus_II(pegasus); | |
1378 | } | |
1379 | pegasus->phy = mii_phy_probe(pegasus); | |
1380 | if (pegasus->phy == 0xff) { | |
1381 | dev_warn(&intf->dev, "can't locate MII phy, using default\n"); | |
1382 | pegasus->phy = 1; | |
1383 | } | |
1384 | pegasus->mii.phy_id = pegasus->phy; | |
1385 | usb_set_intfdata(intf, pegasus); | |
1386 | SET_NETDEV_DEV(net, &intf->dev); | |
1387 | pegasus_reset_wol(net); | |
1388 | res = register_netdev(net); | |
1389 | if (res) | |
1390 | goto out3; | |
1391 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, | |
1392 | CARRIER_CHECK_DELAY); | |
1393 | ||
e174961c | 1394 | dev_info(&intf->dev, "%s, %s, %pM\n", |
0795af57 JP |
1395 | net->name, |
1396 | usb_dev_id[dev_index].name, | |
e174961c | 1397 | net->dev_addr); |
1da177e4 LT |
1398 | return 0; |
1399 | ||
1400 | out3: | |
1401 | usb_set_intfdata(intf, NULL); | |
1402 | free_skb_pool(pegasus); | |
1403 | out2: | |
1404 | free_all_urbs(pegasus); | |
1405 | out1: | |
1406 | free_netdev(net); | |
1407 | out: | |
cda2836d | 1408 | pegasus_dec_workqueue(); |
1da177e4 LT |
1409 | return res; |
1410 | } | |
1411 | ||
1412 | static void pegasus_disconnect(struct usb_interface *intf) | |
1413 | { | |
1414 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
1415 | ||
1416 | usb_set_intfdata(intf, NULL); | |
1417 | if (!pegasus) { | |
1418 | dev_dbg(&intf->dev, "unregistering non-bound device?\n"); | |
1419 | return; | |
1420 | } | |
1421 | ||
1422 | pegasus->flags |= PEGASUS_UNPLUG; | |
1423 | cancel_delayed_work(&pegasus->carrier_check); | |
1424 | unregister_netdev(pegasus->net); | |
a85a46f2 | 1425 | unlink_all_urbs(pegasus); |
1da177e4 LT |
1426 | free_all_urbs(pegasus); |
1427 | free_skb_pool(pegasus); | |
4c13eb66 | 1428 | if (pegasus->rx_skb != NULL) { |
1da177e4 | 1429 | dev_kfree_skb(pegasus->rx_skb); |
4c13eb66 ACM |
1430 | pegasus->rx_skb = NULL; |
1431 | } | |
1da177e4 | 1432 | free_netdev(pegasus->net); |
cda2836d | 1433 | pegasus_dec_workqueue(); |
1da177e4 LT |
1434 | } |
1435 | ||
5a9dbfe0 | 1436 | static int pegasus_suspend(struct usb_interface *intf, pm_message_t message) |
1da177e4 LT |
1437 | { |
1438 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
5a9dbfe0 NK |
1439 | |
1440 | netif_device_detach(pegasus->net); | |
7e713b82 | 1441 | cancel_delayed_work(&pegasus->carrier_check); |
27d72e85 | 1442 | if (netif_running(pegasus->net)) { |
27d72e85 DB |
1443 | usb_kill_urb(pegasus->rx_urb); |
1444 | usb_kill_urb(pegasus->intr_urb); | |
1445 | } | |
1da177e4 LT |
1446 | return 0; |
1447 | } | |
1448 | ||
5a9dbfe0 | 1449 | static int pegasus_resume(struct usb_interface *intf) |
1da177e4 LT |
1450 | { |
1451 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
1452 | ||
5a9dbfe0 | 1453 | netif_device_attach(pegasus->net); |
27d72e85 DB |
1454 | if (netif_running(pegasus->net)) { |
1455 | pegasus->rx_urb->status = 0; | |
1456 | pegasus->rx_urb->actual_length = 0; | |
7d12e780 | 1457 | read_bulk_callback(pegasus->rx_urb); |
27d72e85 DB |
1458 | |
1459 | pegasus->intr_urb->status = 0; | |
1460 | pegasus->intr_urb->actual_length = 0; | |
7d12e780 | 1461 | intr_callback(pegasus->intr_urb); |
27d72e85 | 1462 | } |
7e713b82 DB |
1463 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, |
1464 | CARRIER_CHECK_DELAY); | |
1da177e4 LT |
1465 | return 0; |
1466 | } | |
1467 | ||
8cb89571 ON |
1468 | static const struct net_device_ops pegasus_netdev_ops = { |
1469 | .ndo_open = pegasus_open, | |
1470 | .ndo_stop = pegasus_close, | |
1471 | .ndo_do_ioctl = pegasus_ioctl, | |
1472 | .ndo_start_xmit = pegasus_start_xmit, | |
afc4b13d | 1473 | .ndo_set_rx_mode = pegasus_set_multicast, |
8cb89571 ON |
1474 | .ndo_get_stats = pegasus_netdev_stats, |
1475 | .ndo_tx_timeout = pegasus_tx_timeout, | |
635ecaa7 | 1476 | .ndo_change_mtu = eth_change_mtu, |
240c102d BH |
1477 | .ndo_set_mac_address = eth_mac_addr, |
1478 | .ndo_validate_addr = eth_validate_addr, | |
8cb89571 ON |
1479 | }; |
1480 | ||
1da177e4 LT |
1481 | static struct usb_driver pegasus_driver = { |
1482 | .name = driver_name, | |
1483 | .probe = pegasus_probe, | |
1484 | .disconnect = pegasus_disconnect, | |
1485 | .id_table = pegasus_ids, | |
1486 | .suspend = pegasus_suspend, | |
1487 | .resume = pegasus_resume, | |
e1f12eb6 | 1488 | .disable_hub_initiated_lpm = 1, |
1da177e4 LT |
1489 | }; |
1490 | ||
cda2836d | 1491 | static void __init parse_id(char *id) |
a4f81a61 | 1492 | { |
5a9dbfe0 NK |
1493 | unsigned int vendor_id = 0, device_id = 0, flags = 0, i = 0; |
1494 | char *token, *name = NULL; | |
a4f81a61 Y |
1495 | |
1496 | if ((token = strsep(&id, ":")) != NULL) | |
1497 | name = token; | |
1498 | /* name now points to a null terminated string*/ | |
1499 | if ((token = strsep(&id, ":")) != NULL) | |
1500 | vendor_id = simple_strtoul(token, NULL, 16); | |
1501 | if ((token = strsep(&id, ":")) != NULL) | |
1502 | device_id = simple_strtoul(token, NULL, 16); | |
1503 | flags = simple_strtoul(id, NULL, 16); | |
1504 | pr_info("%s: new device %s, vendor ID 0x%04x, device ID 0x%04x, flags: 0x%x\n", | |
5a9dbfe0 | 1505 | driver_name, name, vendor_id, device_id, flags); |
a4f81a61 Y |
1506 | |
1507 | if (vendor_id > 0x10000 || vendor_id == 0) | |
1508 | return; | |
1509 | if (device_id > 0x10000 || device_id == 0) | |
1510 | return; | |
1511 | ||
5a9dbfe0 | 1512 | for (i = 0; usb_dev_id[i].name; i++); |
a4f81a61 Y |
1513 | usb_dev_id[i].name = name; |
1514 | usb_dev_id[i].vendor = vendor_id; | |
1515 | usb_dev_id[i].device = device_id; | |
1516 | usb_dev_id[i].private = flags; | |
1517 | pegasus_ids[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; | |
1518 | pegasus_ids[i].idVendor = vendor_id; | |
1519 | pegasus_ids[i].idProduct = device_id; | |
1520 | } | |
1521 | ||
1da177e4 LT |
1522 | static int __init pegasus_init(void) |
1523 | { | |
1524 | pr_info("%s: %s, " DRIVER_DESC "\n", driver_name, DRIVER_VERSION); | |
a4f81a61 Y |
1525 | if (devid) |
1526 | parse_id(devid); | |
1da177e4 LT |
1527 | return usb_register(&pegasus_driver); |
1528 | } | |
1529 | ||
1530 | static void __exit pegasus_exit(void) | |
1531 | { | |
1da177e4 LT |
1532 | usb_deregister(&pegasus_driver); |
1533 | } | |
1534 | ||
1535 | module_init(pegasus_init); | |
1536 | module_exit(pegasus_exit); |