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() | |
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); | |
14f8dc49 | 152 | if (!buffer) |
1da177e4 | 153 | return -ENOMEM; |
14f8dc49 | 154 | |
1da177e4 LT |
155 | add_wait_queue(&pegasus->ctrl_wait, &wait); |
156 | set_current_state(TASK_UNINTERRUPTIBLE); | |
157 | while (pegasus->flags & ETH_REGS_CHANGED) | |
158 | schedule(); | |
159 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
160 | set_current_state(TASK_RUNNING); | |
161 | ||
162 | pegasus->dr.bRequestType = PEGASUS_REQT_READ; | |
163 | pegasus->dr.bRequest = PEGASUS_REQ_GET_REGS; | |
164 | pegasus->dr.wValue = cpu_to_le16(0); | |
da2bbdcc HH |
165 | pegasus->dr.wIndex = cpu_to_le16(indx); |
166 | pegasus->dr.wLength = cpu_to_le16(size); | |
1da177e4 LT |
167 | pegasus->ctrl_urb->transfer_buffer_length = size; |
168 | ||
169 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
170 | usb_rcvctrlpipe(pegasus->usb, 0), | |
171 | (char *) &pegasus->dr, | |
172 | buffer, size, ctrl_callback, pegasus); | |
173 | ||
174 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
175 | set_current_state(TASK_UNINTERRUPTIBLE); | |
176 | ||
177 | /* using ATOMIC, we'd never wake up if we slept */ | |
178 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { | |
10c8211c | 179 | set_current_state(TASK_RUNNING); |
955a2608 DB |
180 | if (ret == -ENODEV) |
181 | netif_device_detach(pegasus->net); | |
a475f603 JP |
182 | if (net_ratelimit()) |
183 | netif_err(pegasus, drv, pegasus->net, | |
184 | "%s, status %d\n", __func__, ret); | |
1da177e4 LT |
185 | goto out; |
186 | } | |
187 | ||
188 | schedule(); | |
189 | out: | |
190 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
191 | memcpy(data, buffer, size); | |
192 | kfree(buffer); | |
193 | ||
194 | return ret; | |
195 | } | |
196 | ||
5a9dbfe0 | 197 | static int set_registers(pegasus_t *pegasus, __u16 indx, __u16 size, |
1da177e4 LT |
198 | void *data) |
199 | { | |
200 | int ret; | |
201 | char *buffer; | |
202 | DECLARE_WAITQUEUE(wait, current); | |
203 | ||
175c0441 | 204 | buffer = kmemdup(data, size, GFP_KERNEL); |
1da177e4 | 205 | if (!buffer) { |
a475f603 JP |
206 | netif_warn(pegasus, drv, pegasus->net, |
207 | "out of memory in %s\n", __func__); | |
1da177e4 LT |
208 | return -ENOMEM; |
209 | } | |
1da177e4 LT |
210 | |
211 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
212 | set_current_state(TASK_UNINTERRUPTIBLE); | |
213 | while (pegasus->flags & ETH_REGS_CHANGED) | |
214 | schedule(); | |
215 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
216 | set_current_state(TASK_RUNNING); | |
217 | ||
218 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
219 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS; | |
220 | pegasus->dr.wValue = cpu_to_le16(0); | |
da2bbdcc HH |
221 | pegasus->dr.wIndex = cpu_to_le16(indx); |
222 | pegasus->dr.wLength = cpu_to_le16(size); | |
1da177e4 LT |
223 | pegasus->ctrl_urb->transfer_buffer_length = size; |
224 | ||
225 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
226 | usb_sndctrlpipe(pegasus->usb, 0), | |
227 | (char *) &pegasus->dr, | |
228 | buffer, size, ctrl_callback, pegasus); | |
229 | ||
230 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
231 | set_current_state(TASK_UNINTERRUPTIBLE); | |
232 | ||
233 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { | |
955a2608 DB |
234 | if (ret == -ENODEV) |
235 | netif_device_detach(pegasus->net); | |
a475f603 JP |
236 | netif_err(pegasus, drv, pegasus->net, |
237 | "%s, status %d\n", __func__, ret); | |
1da177e4 LT |
238 | goto out; |
239 | } | |
240 | ||
241 | schedule(); | |
242 | out: | |
243 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
244 | kfree(buffer); | |
245 | ||
246 | return ret; | |
247 | } | |
248 | ||
5a9dbfe0 | 249 | static int set_register(pegasus_t *pegasus, __u16 indx, __u8 data) |
1da177e4 LT |
250 | { |
251 | int ret; | |
252 | char *tmp; | |
253 | DECLARE_WAITQUEUE(wait, current); | |
254 | ||
175c0441 | 255 | tmp = kmemdup(&data, 1, GFP_KERNEL); |
1da177e4 | 256 | if (!tmp) { |
a475f603 JP |
257 | netif_warn(pegasus, drv, pegasus->net, |
258 | "out of memory in %s\n", __func__); | |
1da177e4 LT |
259 | return -ENOMEM; |
260 | } | |
1da177e4 LT |
261 | add_wait_queue(&pegasus->ctrl_wait, &wait); |
262 | set_current_state(TASK_UNINTERRUPTIBLE); | |
263 | while (pegasus->flags & ETH_REGS_CHANGED) | |
264 | schedule(); | |
265 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
266 | set_current_state(TASK_RUNNING); | |
267 | ||
268 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
269 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REG; | |
270 | pegasus->dr.wValue = cpu_to_le16(data); | |
da2bbdcc | 271 | pegasus->dr.wIndex = cpu_to_le16(indx); |
1da177e4 LT |
272 | pegasus->dr.wLength = cpu_to_le16(1); |
273 | pegasus->ctrl_urb->transfer_buffer_length = 1; | |
274 | ||
275 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
276 | usb_sndctrlpipe(pegasus->usb, 0), | |
277 | (char *) &pegasus->dr, | |
016534cf | 278 | tmp, 1, ctrl_callback, pegasus); |
1da177e4 LT |
279 | |
280 | add_wait_queue(&pegasus->ctrl_wait, &wait); | |
281 | set_current_state(TASK_UNINTERRUPTIBLE); | |
282 | ||
283 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { | |
955a2608 DB |
284 | if (ret == -ENODEV) |
285 | netif_device_detach(pegasus->net); | |
a475f603 JP |
286 | if (net_ratelimit()) |
287 | netif_err(pegasus, drv, pegasus->net, | |
288 | "%s, status %d\n", __func__, ret); | |
1da177e4 LT |
289 | goto out; |
290 | } | |
291 | ||
292 | schedule(); | |
293 | out: | |
294 | remove_wait_queue(&pegasus->ctrl_wait, &wait); | |
295 | kfree(tmp); | |
296 | ||
297 | return ret; | |
298 | } | |
299 | ||
5a9dbfe0 | 300 | static int update_eth_regs_async(pegasus_t *pegasus) |
1da177e4 LT |
301 | { |
302 | int ret; | |
303 | ||
304 | pegasus->dr.bRequestType = PEGASUS_REQT_WRITE; | |
305 | pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS; | |
e3453f63 | 306 | pegasus->dr.wValue = cpu_to_le16(0); |
1da177e4 LT |
307 | pegasus->dr.wIndex = cpu_to_le16(EthCtrl0); |
308 | pegasus->dr.wLength = cpu_to_le16(3); | |
309 | pegasus->ctrl_urb->transfer_buffer_length = 3; | |
310 | ||
311 | usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb, | |
312 | usb_sndctrlpipe(pegasus->usb, 0), | |
313 | (char *) &pegasus->dr, | |
314 | pegasus->eth_regs, 3, ctrl_callback, pegasus); | |
315 | ||
955a2608 DB |
316 | if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { |
317 | if (ret == -ENODEV) | |
318 | netif_device_detach(pegasus->net); | |
a475f603 JP |
319 | netif_err(pegasus, drv, pegasus->net, |
320 | "%s, status %d\n", __func__, ret); | |
955a2608 | 321 | } |
1da177e4 LT |
322 | |
323 | return ret; | |
324 | } | |
325 | ||
c43c49bd | 326 | /* Returns 0 on success, error on failure */ |
5a9dbfe0 | 327 | static int read_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 *regd) |
1da177e4 LT |
328 | { |
329 | int i; | |
330 | __u8 data[4] = { phy, 0, 0, indx }; | |
331 | __le16 regdi; | |
332 | int ret; | |
333 | ||
4a1728a2 | 334 | set_register(pegasus, PhyCtrl, 0); |
5a9dbfe0 | 335 | set_registers(pegasus, PhyAddr, sizeof(data), data); |
4a1728a2 | 336 | set_register(pegasus, PhyCtrl, (indx | PHY_READ)); |
1da177e4 LT |
337 | for (i = 0; i < REG_TIMEOUT; i++) { |
338 | ret = get_registers(pegasus, PhyCtrl, 1, data); | |
7e713b82 DB |
339 | if (ret == -ESHUTDOWN) |
340 | goto fail; | |
1da177e4 LT |
341 | if (data[0] & PHY_DONE) |
342 | break; | |
343 | } | |
a475f603 JP |
344 | |
345 | if (i >= REG_TIMEOUT) | |
346 | goto fail; | |
347 | ||
348 | ret = get_registers(pegasus, PhyData, 2, ®di); | |
349 | *regd = le16_to_cpu(regdi); | |
350 | return ret; | |
351 | ||
7e713b82 | 352 | fail: |
a475f603 | 353 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
1da177e4 | 354 | |
4a1728a2 | 355 | return ret; |
1da177e4 LT |
356 | } |
357 | ||
358 | static int mdio_read(struct net_device *dev, int phy_id, int loc) | |
359 | { | |
8739cfef | 360 | pegasus_t *pegasus = netdev_priv(dev); |
1da177e4 LT |
361 | u16 res; |
362 | ||
363 | read_mii_word(pegasus, phy_id, loc, &res); | |
364 | return (int)res; | |
365 | } | |
366 | ||
5a9dbfe0 | 367 | static int write_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 regd) |
1da177e4 LT |
368 | { |
369 | int i; | |
370 | __u8 data[4] = { phy, 0, 0, indx }; | |
371 | int ret; | |
372 | ||
373 | data[1] = (u8) regd; | |
374 | data[2] = (u8) (regd >> 8); | |
4a1728a2 PM |
375 | set_register(pegasus, PhyCtrl, 0); |
376 | set_registers(pegasus, PhyAddr, sizeof(data), data); | |
377 | set_register(pegasus, PhyCtrl, (indx | PHY_WRITE)); | |
1da177e4 LT |
378 | for (i = 0; i < REG_TIMEOUT; i++) { |
379 | ret = get_registers(pegasus, PhyCtrl, 1, data); | |
7e713b82 DB |
380 | if (ret == -ESHUTDOWN) |
381 | goto fail; | |
1da177e4 LT |
382 | if (data[0] & PHY_DONE) |
383 | break; | |
384 | } | |
a475f603 JP |
385 | |
386 | if (i >= REG_TIMEOUT) | |
387 | goto fail; | |
388 | ||
389 | return ret; | |
1da177e4 | 390 | |
7e713b82 | 391 | fail: |
a475f603 | 392 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 393 | return -ETIMEDOUT; |
1da177e4 LT |
394 | } |
395 | ||
396 | static void mdio_write(struct net_device *dev, int phy_id, int loc, int val) | |
397 | { | |
8739cfef | 398 | pegasus_t *pegasus = netdev_priv(dev); |
1da177e4 LT |
399 | |
400 | write_mii_word(pegasus, phy_id, loc, val); | |
401 | } | |
402 | ||
5a9dbfe0 | 403 | static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata) |
1da177e4 LT |
404 | { |
405 | int i; | |
406 | __u8 tmp; | |
407 | __le16 retdatai; | |
408 | int ret; | |
409 | ||
4a1728a2 PM |
410 | set_register(pegasus, EpromCtrl, 0); |
411 | set_register(pegasus, EpromOffset, index); | |
412 | set_register(pegasus, EpromCtrl, EPROM_READ); | |
1da177e4 LT |
413 | |
414 | for (i = 0; i < REG_TIMEOUT; i++) { | |
415 | ret = get_registers(pegasus, EpromCtrl, 1, &tmp); | |
416 | if (tmp & EPROM_DONE) | |
417 | break; | |
7e713b82 DB |
418 | if (ret == -ESHUTDOWN) |
419 | goto fail; | |
1da177e4 | 420 | } |
a475f603 JP |
421 | if (i >= REG_TIMEOUT) |
422 | goto fail; | |
423 | ||
424 | ret = get_registers(pegasus, EpromData, 2, &retdatai); | |
425 | *retdata = le16_to_cpu(retdatai); | |
426 | return ret; | |
1da177e4 | 427 | |
7e713b82 | 428 | fail: |
a475f603 | 429 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 430 | return -ETIMEDOUT; |
1da177e4 LT |
431 | } |
432 | ||
433 | #ifdef PEGASUS_WRITE_EEPROM | |
5a9dbfe0 | 434 | static inline void enable_eprom_write(pegasus_t *pegasus) |
1da177e4 LT |
435 | { |
436 | __u8 tmp; | |
437 | int ret; | |
438 | ||
4a1728a2 PM |
439 | get_registers(pegasus, EthCtrl2, 1, &tmp); |
440 | set_register(pegasus, EthCtrl2, tmp | EPROM_WR_ENABLE); | |
1da177e4 LT |
441 | } |
442 | ||
5a9dbfe0 | 443 | static inline void disable_eprom_write(pegasus_t *pegasus) |
1da177e4 LT |
444 | { |
445 | __u8 tmp; | |
446 | int ret; | |
447 | ||
4a1728a2 PM |
448 | get_registers(pegasus, EthCtrl2, 1, &tmp); |
449 | set_register(pegasus, EpromCtrl, 0); | |
450 | set_register(pegasus, EthCtrl2, tmp & ~EPROM_WR_ENABLE); | |
1da177e4 LT |
451 | } |
452 | ||
5a9dbfe0 | 453 | static int write_eprom_word(pegasus_t *pegasus, __u8 index, __u16 data) |
1da177e4 LT |
454 | { |
455 | int i; | |
456 | __u8 tmp, d[4] = { 0x3f, 0, 0, EPROM_WRITE }; | |
457 | int ret; | |
e3453f63 | 458 | __le16 le_data = cpu_to_le16(data); |
1da177e4 | 459 | |
4a1728a2 | 460 | set_registers(pegasus, EpromOffset, 4, d); |
1da177e4 | 461 | enable_eprom_write(pegasus); |
4a1728a2 | 462 | set_register(pegasus, EpromOffset, index); |
e3453f63 | 463 | set_registers(pegasus, EpromData, 2, &le_data); |
4a1728a2 | 464 | set_register(pegasus, EpromCtrl, EPROM_WRITE); |
1da177e4 LT |
465 | |
466 | for (i = 0; i < REG_TIMEOUT; i++) { | |
467 | ret = get_registers(pegasus, EpromCtrl, 1, &tmp); | |
7e713b82 DB |
468 | if (ret == -ESHUTDOWN) |
469 | goto fail; | |
1da177e4 LT |
470 | if (tmp & EPROM_DONE) |
471 | break; | |
472 | } | |
473 | disable_eprom_write(pegasus); | |
a475f603 JP |
474 | if (i >= REG_TIMEOUT) |
475 | goto fail; | |
476 | ||
477 | return ret; | |
478 | ||
7e713b82 | 479 | fail: |
a475f603 | 480 | netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); |
4a1728a2 | 481 | return -ETIMEDOUT; |
1da177e4 LT |
482 | } |
483 | #endif /* PEGASUS_WRITE_EEPROM */ | |
484 | ||
5a9dbfe0 | 485 | static inline void get_node_id(pegasus_t *pegasus, __u8 *id) |
1da177e4 LT |
486 | { |
487 | int i; | |
488 | __u16 w16; | |
489 | ||
490 | for (i = 0; i < 3; i++) { | |
491 | read_eprom_word(pegasus, i, &w16); | |
da2bbdcc | 492 | ((__le16 *) id)[i] = cpu_to_le16(w16); |
1da177e4 LT |
493 | } |
494 | } | |
495 | ||
5a9dbfe0 | 496 | static void set_ethernet_addr(pegasus_t *pegasus) |
1da177e4 LT |
497 | { |
498 | __u8 node_id[6]; | |
1da177e4 | 499 | |
37cf3477 PM |
500 | if (pegasus->features & PEGASUS_II) { |
501 | get_registers(pegasus, 0x10, sizeof(node_id), node_id); | |
502 | } else { | |
503 | get_node_id(pegasus, node_id); | |
5a9dbfe0 | 504 | set_registers(pegasus, EthID, sizeof(node_id), node_id); |
37cf3477 | 505 | } |
5a9dbfe0 | 506 | memcpy(pegasus->net->dev_addr, node_id, sizeof(node_id)); |
1da177e4 LT |
507 | } |
508 | ||
5a9dbfe0 | 509 | static inline int reset_mac(pegasus_t *pegasus) |
1da177e4 LT |
510 | { |
511 | __u8 data = 0x8; | |
512 | int i; | |
1da177e4 | 513 | |
4a1728a2 | 514 | set_register(pegasus, EthCtrl1, data); |
1da177e4 | 515 | for (i = 0; i < REG_TIMEOUT; i++) { |
4a1728a2 | 516 | get_registers(pegasus, EthCtrl1, 1, &data); |
1da177e4 | 517 | if (~data & 0x08) { |
681f1623 | 518 | if (loopback) |
1da177e4 LT |
519 | break; |
520 | if (mii_mode && (pegasus->features & HAS_HOME_PNA)) | |
4a1728a2 | 521 | set_register(pegasus, Gpio1, 0x34); |
1da177e4 | 522 | else |
4a1728a2 PM |
523 | set_register(pegasus, Gpio1, 0x26); |
524 | set_register(pegasus, Gpio0, pegasus->features); | |
525 | set_register(pegasus, Gpio0, DEFAULT_GPIO_SET); | |
1da177e4 LT |
526 | break; |
527 | } | |
528 | } | |
529 | if (i == REG_TIMEOUT) | |
4a1728a2 | 530 | return -ETIMEDOUT; |
1da177e4 LT |
531 | |
532 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || | |
533 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { | |
4a1728a2 PM |
534 | set_register(pegasus, Gpio0, 0x24); |
535 | set_register(pegasus, Gpio0, 0x26); | |
1da177e4 LT |
536 | } |
537 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_ELCON) { | |
538 | __u16 auxmode; | |
539 | read_mii_word(pegasus, 3, 0x1b, &auxmode); | |
540 | write_mii_word(pegasus, 3, 0x1b, auxmode | 4); | |
541 | } | |
542 | ||
543 | return 0; | |
544 | } | |
545 | ||
546 | static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) | |
547 | { | |
548 | __u16 linkpart; | |
549 | __u8 data[4]; | |
550 | pegasus_t *pegasus = netdev_priv(dev); | |
551 | int ret; | |
552 | ||
553 | read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); | |
554 | data[0] = 0xc9; | |
555 | data[1] = 0; | |
556 | if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) | |
557 | data[1] |= 0x20; /* set full duplex */ | |
558 | if (linkpart & (ADVERTISE_100FULL | ADVERTISE_100HALF)) | |
559 | data[1] |= 0x10; /* set 100 Mbps */ | |
560 | if (mii_mode) | |
561 | data[1] = 0; | |
681f1623 | 562 | data[2] = loopback ? 0x09 : 0x01; |
1da177e4 | 563 | |
5a9dbfe0 | 564 | memcpy(pegasus->eth_regs, data, sizeof(data)); |
1da177e4 LT |
565 | ret = set_registers(pegasus, EthCtrl0, 3, data); |
566 | ||
567 | if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS || | |
efafe6fb | 568 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS2 || |
1da177e4 LT |
569 | usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { |
570 | u16 auxmode; | |
571 | read_mii_word(pegasus, 0, 0x1b, &auxmode); | |
572 | write_mii_word(pegasus, 0, 0x1b, auxmode | 4); | |
573 | } | |
574 | ||
4a1728a2 | 575 | return ret; |
1da177e4 LT |
576 | } |
577 | ||
5a9dbfe0 | 578 | static void fill_skb_pool(pegasus_t *pegasus) |
1da177e4 LT |
579 | { |
580 | int i; | |
581 | ||
582 | for (i = 0; i < RX_SKBS; i++) { | |
583 | if (pegasus->rx_pool[i]) | |
584 | continue; | |
585 | pegasus->rx_pool[i] = dev_alloc_skb(PEGASUS_MTU + 2); | |
586 | /* | |
587 | ** we give up if the allocation fail. the tasklet will be | |
588 | ** rescheduled again anyway... | |
589 | */ | |
590 | if (pegasus->rx_pool[i] == NULL) | |
591 | return; | |
1da177e4 LT |
592 | skb_reserve(pegasus->rx_pool[i], 2); |
593 | } | |
594 | } | |
595 | ||
5a9dbfe0 | 596 | static void free_skb_pool(pegasus_t *pegasus) |
1da177e4 LT |
597 | { |
598 | int i; | |
599 | ||
600 | for (i = 0; i < RX_SKBS; i++) { | |
601 | if (pegasus->rx_pool[i]) { | |
602 | dev_kfree_skb(pegasus->rx_pool[i]); | |
603 | pegasus->rx_pool[i] = NULL; | |
604 | } | |
605 | } | |
606 | } | |
607 | ||
608 | static inline struct sk_buff *pull_skb(pegasus_t * pegasus) | |
609 | { | |
610 | int i; | |
611 | struct sk_buff *skb; | |
612 | ||
613 | for (i = 0; i < RX_SKBS; i++) { | |
614 | if (likely(pegasus->rx_pool[i] != NULL)) { | |
615 | skb = pegasus->rx_pool[i]; | |
616 | pegasus->rx_pool[i] = NULL; | |
617 | return skb; | |
618 | } | |
619 | } | |
620 | return NULL; | |
621 | } | |
622 | ||
7d12e780 | 623 | static void read_bulk_callback(struct urb *urb) |
1da177e4 LT |
624 | { |
625 | pegasus_t *pegasus = urb->context; | |
626 | struct net_device *net; | |
627 | int rx_status, count = urb->actual_length; | |
c94cb314 | 628 | int status = urb->status; |
1da177e4 LT |
629 | u8 *buf = urb->transfer_buffer; |
630 | __u16 pkt_len; | |
631 | ||
632 | if (!pegasus) | |
633 | return; | |
634 | ||
635 | net = pegasus->net; | |
636 | if (!netif_device_present(net) || !netif_running(net)) | |
637 | return; | |
638 | ||
c94cb314 | 639 | switch (status) { |
1da177e4 LT |
640 | case 0: |
641 | break; | |
38e2bfc9 | 642 | case -ETIME: |
a475f603 | 643 | netif_dbg(pegasus, rx_err, net, "reset MAC\n"); |
1da177e4 LT |
644 | pegasus->flags &= ~PEGASUS_RX_BUSY; |
645 | break; | |
646 | case -EPIPE: /* stall, or disconnect from TT */ | |
647 | /* FIXME schedule work to clear the halt */ | |
a475f603 | 648 | netif_warn(pegasus, rx_err, net, "no rx stall recovery\n"); |
1da177e4 LT |
649 | return; |
650 | case -ENOENT: | |
651 | case -ECONNRESET: | |
652 | case -ESHUTDOWN: | |
a475f603 | 653 | netif_dbg(pegasus, ifdown, net, "rx unlink, %d\n", status); |
1da177e4 LT |
654 | return; |
655 | default: | |
a475f603 | 656 | netif_dbg(pegasus, rx_err, net, "RX status %d\n", status); |
1da177e4 LT |
657 | goto goon; |
658 | } | |
659 | ||
660 | if (!count || count < 4) | |
661 | goto goon; | |
662 | ||
663 | rx_status = buf[count - 2]; | |
664 | if (rx_status & 0x1e) { | |
a475f603 JP |
665 | netif_dbg(pegasus, rx_err, net, |
666 | "RX packet error %x\n", rx_status); | |
1da177e4 | 667 | pegasus->stats.rx_errors++; |
5a9dbfe0 | 668 | if (rx_status & 0x06) /* long or runt */ |
1da177e4 LT |
669 | pegasus->stats.rx_length_errors++; |
670 | if (rx_status & 0x08) | |
671 | pegasus->stats.rx_crc_errors++; | |
5a9dbfe0 | 672 | if (rx_status & 0x10) /* extra bits */ |
1da177e4 LT |
673 | pegasus->stats.rx_frame_errors++; |
674 | goto goon; | |
675 | } | |
676 | if (pegasus->chip == 0x8513) { | |
677 | pkt_len = le32_to_cpu(*(__le32 *)urb->transfer_buffer); | |
678 | pkt_len &= 0x0fff; | |
679 | pegasus->rx_skb->data += 2; | |
680 | } else { | |
681 | pkt_len = buf[count - 3] << 8; | |
682 | pkt_len += buf[count - 4]; | |
683 | pkt_len &= 0xfff; | |
684 | pkt_len -= 8; | |
685 | } | |
686 | ||
a85a46f2 KV |
687 | /* |
688 | * If the packet is unreasonably long, quietly drop it rather than | |
689 | * kernel panicing by calling skb_put. | |
690 | */ | |
691 | if (pkt_len > PEGASUS_MTU) | |
692 | goto goon; | |
693 | ||
1da177e4 LT |
694 | /* |
695 | * at this point we are sure pegasus->rx_skb != NULL | |
696 | * so we go ahead and pass up the packet. | |
697 | */ | |
698 | skb_put(pegasus->rx_skb, pkt_len); | |
699 | pegasus->rx_skb->protocol = eth_type_trans(pegasus->rx_skb, net); | |
700 | netif_rx(pegasus->rx_skb); | |
701 | pegasus->stats.rx_packets++; | |
702 | pegasus->stats.rx_bytes += pkt_len; | |
703 | ||
704 | if (pegasus->flags & PEGASUS_UNPLUG) | |
705 | return; | |
706 | ||
707 | spin_lock(&pegasus->rx_pool_lock); | |
708 | pegasus->rx_skb = pull_skb(pegasus); | |
709 | spin_unlock(&pegasus->rx_pool_lock); | |
710 | ||
711 | if (pegasus->rx_skb == NULL) | |
712 | goto tl_sched; | |
713 | goon: | |
714 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, | |
715 | usb_rcvbulkpipe(pegasus->usb, 1), | |
716 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
717 | read_bulk_callback, pegasus); | |
955a2608 DB |
718 | rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); |
719 | if (rx_status == -ENODEV) | |
720 | netif_device_detach(pegasus->net); | |
721 | else if (rx_status) { | |
1da177e4 LT |
722 | pegasus->flags |= PEGASUS_RX_URB_FAIL; |
723 | goto tl_sched; | |
724 | } else { | |
725 | pegasus->flags &= ~PEGASUS_RX_URB_FAIL; | |
726 | } | |
727 | ||
728 | return; | |
729 | ||
730 | tl_sched: | |
731 | tasklet_schedule(&pegasus->rx_tl); | |
732 | } | |
733 | ||
734 | static void rx_fixup(unsigned long data) | |
735 | { | |
736 | pegasus_t *pegasus; | |
737 | unsigned long flags; | |
955a2608 | 738 | int status; |
1da177e4 LT |
739 | |
740 | pegasus = (pegasus_t *) data; | |
741 | if (pegasus->flags & PEGASUS_UNPLUG) | |
742 | return; | |
743 | ||
744 | spin_lock_irqsave(&pegasus->rx_pool_lock, flags); | |
745 | fill_skb_pool(pegasus); | |
746 | if (pegasus->flags & PEGASUS_RX_URB_FAIL) | |
747 | if (pegasus->rx_skb) | |
748 | goto try_again; | |
5a9dbfe0 | 749 | if (pegasus->rx_skb == NULL) |
1da177e4 | 750 | pegasus->rx_skb = pull_skb(pegasus); |
1da177e4 | 751 | if (pegasus->rx_skb == NULL) { |
a475f603 | 752 | netif_warn(pegasus, rx_err, pegasus->net, "low on memory\n"); |
1da177e4 LT |
753 | tasklet_schedule(&pegasus->rx_tl); |
754 | goto done; | |
755 | } | |
756 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, | |
757 | usb_rcvbulkpipe(pegasus->usb, 1), | |
758 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
759 | read_bulk_callback, pegasus); | |
760 | try_again: | |
955a2608 DB |
761 | status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); |
762 | if (status == -ENODEV) | |
763 | netif_device_detach(pegasus->net); | |
764 | else if (status) { | |
1da177e4 LT |
765 | pegasus->flags |= PEGASUS_RX_URB_FAIL; |
766 | tasklet_schedule(&pegasus->rx_tl); | |
767 | } else { | |
768 | pegasus->flags &= ~PEGASUS_RX_URB_FAIL; | |
769 | } | |
770 | done: | |
771 | spin_unlock_irqrestore(&pegasus->rx_pool_lock, flags); | |
772 | } | |
773 | ||
7d12e780 | 774 | static void write_bulk_callback(struct urb *urb) |
1da177e4 LT |
775 | { |
776 | pegasus_t *pegasus = urb->context; | |
9351982b | 777 | struct net_device *net; |
c94cb314 | 778 | int status = urb->status; |
1da177e4 LT |
779 | |
780 | if (!pegasus) | |
781 | return; | |
782 | ||
9351982b MG |
783 | net = pegasus->net; |
784 | ||
1da177e4 LT |
785 | if (!netif_device_present(net) || !netif_running(net)) |
786 | return; | |
787 | ||
c94cb314 | 788 | switch (status) { |
1da177e4 LT |
789 | case -EPIPE: |
790 | /* FIXME schedule_work() to clear the tx halt */ | |
791 | netif_stop_queue(net); | |
a475f603 | 792 | netif_warn(pegasus, tx_err, net, "no tx stall recovery\n"); |
1da177e4 LT |
793 | return; |
794 | case -ENOENT: | |
795 | case -ECONNRESET: | |
796 | case -ESHUTDOWN: | |
a475f603 | 797 | netif_dbg(pegasus, ifdown, net, "tx unlink, %d\n", status); |
1da177e4 LT |
798 | return; |
799 | default: | |
a475f603 | 800 | netif_info(pegasus, tx_err, net, "TX status %d\n", status); |
1da177e4 LT |
801 | /* FALL THROUGH */ |
802 | case 0: | |
803 | break; | |
804 | } | |
805 | ||
1ae5dc34 | 806 | net->trans_start = jiffies; /* prevent tx timeout */ |
1da177e4 LT |
807 | netif_wake_queue(net); |
808 | } | |
809 | ||
7d12e780 | 810 | static void intr_callback(struct urb *urb) |
1da177e4 LT |
811 | { |
812 | pegasus_t *pegasus = urb->context; | |
813 | struct net_device *net; | |
c94cb314 | 814 | int res, status = urb->status; |
1da177e4 LT |
815 | |
816 | if (!pegasus) | |
817 | return; | |
818 | net = pegasus->net; | |
819 | ||
c94cb314 | 820 | switch (status) { |
1da177e4 LT |
821 | case 0: |
822 | break; | |
823 | case -ECONNRESET: /* unlink */ | |
824 | case -ENOENT: | |
825 | case -ESHUTDOWN: | |
826 | return; | |
827 | default: | |
828 | /* some Pegasus-I products report LOTS of data | |
829 | * toggle errors... avoid log spamming | |
830 | */ | |
a475f603 | 831 | netif_dbg(pegasus, timer, net, "intr status %d\n", status); |
1da177e4 LT |
832 | } |
833 | ||
834 | if (urb->actual_length >= 6) { | |
5a9dbfe0 | 835 | u8 *d = urb->transfer_buffer; |
1da177e4 LT |
836 | |
837 | /* byte 0 == tx_status1, reg 2B */ | |
838 | if (d[0] & (TX_UNDERRUN|EXCESSIVE_COL | |
839 | |LATE_COL|JABBER_TIMEOUT)) { | |
840 | pegasus->stats.tx_errors++; | |
841 | if (d[0] & TX_UNDERRUN) | |
842 | pegasus->stats.tx_fifo_errors++; | |
843 | if (d[0] & (EXCESSIVE_COL | JABBER_TIMEOUT)) | |
844 | pegasus->stats.tx_aborted_errors++; | |
845 | if (d[0] & LATE_COL) | |
846 | pegasus->stats.tx_window_errors++; | |
847 | } | |
848 | ||
849 | /* d[5].LINK_STATUS lies on some adapters. | |
850 | * d[0].NO_CARRIER kicks in only with failed TX. | |
851 | * ... so monitoring with MII may be safest. | |
852 | */ | |
1da177e4 LT |
853 | |
854 | /* bytes 3-4 == rx_lostpkt, reg 2E/2F */ | |
855 | pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4]; | |
856 | } | |
857 | ||
c94cb314 ON |
858 | res = usb_submit_urb(urb, GFP_ATOMIC); |
859 | if (res == -ENODEV) | |
955a2608 | 860 | netif_device_detach(pegasus->net); |
a475f603 JP |
861 | if (res) |
862 | netif_err(pegasus, timer, net, | |
863 | "can't resubmit interrupt urb, %d\n", res); | |
1da177e4 LT |
864 | } |
865 | ||
866 | static void pegasus_tx_timeout(struct net_device *net) | |
867 | { | |
868 | pegasus_t *pegasus = netdev_priv(net); | |
a475f603 | 869 | netif_warn(pegasus, timer, net, "tx timeout\n"); |
1da177e4 LT |
870 | usb_unlink_urb(pegasus->tx_urb); |
871 | pegasus->stats.tx_errors++; | |
872 | } | |
873 | ||
25a79c41 SH |
874 | static netdev_tx_t pegasus_start_xmit(struct sk_buff *skb, |
875 | struct net_device *net) | |
1da177e4 LT |
876 | { |
877 | pegasus_t *pegasus = netdev_priv(net); | |
878 | int count = ((skb->len + 2) & 0x3f) ? skb->len + 2 : skb->len + 3; | |
879 | int res; | |
880 | __u16 l16 = skb->len; | |
881 | ||
882 | netif_stop_queue(net); | |
883 | ||
884 | ((__le16 *) pegasus->tx_buff)[0] = cpu_to_le16(l16); | |
d626f62b | 885 | skb_copy_from_linear_data(skb, pegasus->tx_buff + 2, skb->len); |
1da177e4 LT |
886 | usb_fill_bulk_urb(pegasus->tx_urb, pegasus->usb, |
887 | usb_sndbulkpipe(pegasus->usb, 2), | |
888 | pegasus->tx_buff, count, | |
889 | write_bulk_callback, pegasus); | |
890 | if ((res = usb_submit_urb(pegasus->tx_urb, GFP_ATOMIC))) { | |
a475f603 | 891 | netif_warn(pegasus, tx_err, net, "fail tx, %d\n", res); |
1da177e4 LT |
892 | switch (res) { |
893 | case -EPIPE: /* stall, or disconnect from TT */ | |
894 | /* cleanup should already have been scheduled */ | |
895 | break; | |
896 | case -ENODEV: /* disconnect() upcoming */ | |
9dd014eb | 897 | case -EPERM: |
955a2608 | 898 | netif_device_detach(pegasus->net); |
1da177e4 LT |
899 | break; |
900 | default: | |
901 | pegasus->stats.tx_errors++; | |
902 | netif_start_queue(net); | |
903 | } | |
904 | } else { | |
905 | pegasus->stats.tx_packets++; | |
906 | pegasus->stats.tx_bytes += skb->len; | |
1da177e4 LT |
907 | } |
908 | dev_kfree_skb(skb); | |
909 | ||
6ed10654 | 910 | return NETDEV_TX_OK; |
1da177e4 LT |
911 | } |
912 | ||
913 | static struct net_device_stats *pegasus_netdev_stats(struct net_device *dev) | |
914 | { | |
915 | return &((pegasus_t *) netdev_priv(dev))->stats; | |
916 | } | |
917 | ||
5a9dbfe0 | 918 | static inline void disable_net_traffic(pegasus_t *pegasus) |
1da177e4 | 919 | { |
e3453f63 | 920 | __le16 tmp = cpu_to_le16(0); |
1da177e4 | 921 | |
e3453f63 | 922 | set_registers(pegasus, EthCtrl0, sizeof(tmp), &tmp); |
1da177e4 LT |
923 | } |
924 | ||
5a9dbfe0 | 925 | static inline void get_interrupt_interval(pegasus_t *pegasus) |
1da177e4 | 926 | { |
e3453f63 MB |
927 | u16 data; |
928 | u8 interval; | |
1da177e4 | 929 | |
e3453f63 MB |
930 | read_eprom_word(pegasus, 4, &data); |
931 | interval = data >> 8; | |
a85a46f2 | 932 | if (pegasus->usb->speed != USB_SPEED_HIGH) { |
e3453f63 | 933 | if (interval < 0x80) { |
a475f603 JP |
934 | netif_info(pegasus, timer, pegasus->net, |
935 | "intr interval changed from %ums to %ums\n", | |
936 | interval, 0x80); | |
e3453f63 MB |
937 | interval = 0x80; |
938 | data = (data & 0x00FF) | ((u16)interval << 8); | |
a85a46f2 | 939 | #ifdef PEGASUS_WRITE_EEPROM |
e3453f63 | 940 | write_eprom_word(pegasus, 4, data); |
1da177e4 | 941 | #endif |
a85a46f2 | 942 | } |
1da177e4 | 943 | } |
e3453f63 | 944 | pegasus->intr_interval = interval; |
1da177e4 LT |
945 | } |
946 | ||
947 | static void set_carrier(struct net_device *net) | |
948 | { | |
949 | pegasus_t *pegasus = netdev_priv(net); | |
950 | u16 tmp; | |
951 | ||
c43c49bd | 952 | if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp)) |
1da177e4 | 953 | return; |
a85a46f2 | 954 | |
1da177e4 LT |
955 | if (tmp & BMSR_LSTATUS) |
956 | netif_carrier_on(net); | |
957 | else | |
958 | netif_carrier_off(net); | |
959 | } | |
960 | ||
5a9dbfe0 | 961 | static void free_all_urbs(pegasus_t *pegasus) |
1da177e4 LT |
962 | { |
963 | usb_free_urb(pegasus->intr_urb); | |
964 | usb_free_urb(pegasus->tx_urb); | |
965 | usb_free_urb(pegasus->rx_urb); | |
966 | usb_free_urb(pegasus->ctrl_urb); | |
967 | } | |
968 | ||
5a9dbfe0 | 969 | static void unlink_all_urbs(pegasus_t *pegasus) |
1da177e4 LT |
970 | { |
971 | usb_kill_urb(pegasus->intr_urb); | |
972 | usb_kill_urb(pegasus->tx_urb); | |
973 | usb_kill_urb(pegasus->rx_urb); | |
974 | usb_kill_urb(pegasus->ctrl_urb); | |
975 | } | |
976 | ||
5a9dbfe0 | 977 | static int alloc_urbs(pegasus_t *pegasus) |
1da177e4 LT |
978 | { |
979 | pegasus->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); | |
5a9dbfe0 | 980 | if (!pegasus->ctrl_urb) |
1da177e4 | 981 | return 0; |
1da177e4 LT |
982 | pegasus->rx_urb = usb_alloc_urb(0, GFP_KERNEL); |
983 | if (!pegasus->rx_urb) { | |
984 | usb_free_urb(pegasus->ctrl_urb); | |
985 | return 0; | |
986 | } | |
987 | pegasus->tx_urb = usb_alloc_urb(0, GFP_KERNEL); | |
988 | if (!pegasus->tx_urb) { | |
989 | usb_free_urb(pegasus->rx_urb); | |
990 | usb_free_urb(pegasus->ctrl_urb); | |
991 | return 0; | |
992 | } | |
993 | pegasus->intr_urb = usb_alloc_urb(0, GFP_KERNEL); | |
994 | if (!pegasus->intr_urb) { | |
995 | usb_free_urb(pegasus->tx_urb); | |
996 | usb_free_urb(pegasus->rx_urb); | |
997 | usb_free_urb(pegasus->ctrl_urb); | |
998 | return 0; | |
999 | } | |
1000 | ||
1001 | return 1; | |
1002 | } | |
1003 | ||
1004 | static int pegasus_open(struct net_device *net) | |
1005 | { | |
1006 | pegasus_t *pegasus = netdev_priv(net); | |
1007 | int res; | |
1008 | ||
1009 | if (pegasus->rx_skb == NULL) | |
1010 | pegasus->rx_skb = pull_skb(pegasus); | |
1011 | /* | |
1012 | ** Note: no point to free the pool. it is empty :-) | |
1013 | */ | |
1014 | if (!pegasus->rx_skb) | |
1015 | return -ENOMEM; | |
1016 | ||
1017 | res = set_registers(pegasus, EthID, 6, net->dev_addr); | |
5a9dbfe0 | 1018 | |
1da177e4 LT |
1019 | usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, |
1020 | usb_rcvbulkpipe(pegasus->usb, 1), | |
1021 | pegasus->rx_skb->data, PEGASUS_MTU + 8, | |
1022 | read_bulk_callback, pegasus); | |
1023 | if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { | |
955a2608 DB |
1024 | if (res == -ENODEV) |
1025 | netif_device_detach(pegasus->net); | |
a475f603 | 1026 | netif_dbg(pegasus, ifup, net, "failed rx_urb, %d\n", res); |
1da177e4 LT |
1027 | goto exit; |
1028 | } | |
1029 | ||
1030 | usb_fill_int_urb(pegasus->intr_urb, pegasus->usb, | |
1031 | usb_rcvintpipe(pegasus->usb, 3), | |
5a9dbfe0 | 1032 | pegasus->intr_buff, sizeof(pegasus->intr_buff), |
1da177e4 LT |
1033 | intr_callback, pegasus, pegasus->intr_interval); |
1034 | if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) { | |
955a2608 DB |
1035 | if (res == -ENODEV) |
1036 | netif_device_detach(pegasus->net); | |
a475f603 | 1037 | netif_dbg(pegasus, ifup, net, "failed intr_urb, %d\n", res); |
1da177e4 LT |
1038 | usb_kill_urb(pegasus->rx_urb); |
1039 | goto exit; | |
1040 | } | |
1041 | if ((res = enable_net_traffic(net, pegasus->usb))) { | |
a475f603 JP |
1042 | netif_dbg(pegasus, ifup, net, |
1043 | "can't enable_net_traffic() - %d\n", res); | |
1da177e4 LT |
1044 | res = -EIO; |
1045 | usb_kill_urb(pegasus->rx_urb); | |
1046 | usb_kill_urb(pegasus->intr_urb); | |
1047 | free_skb_pool(pegasus); | |
1048 | goto exit; | |
1049 | } | |
1050 | set_carrier(net); | |
1051 | netif_start_queue(net); | |
a475f603 | 1052 | netif_dbg(pegasus, ifup, net, "open\n"); |
1da177e4 LT |
1053 | res = 0; |
1054 | exit: | |
1055 | return res; | |
1056 | } | |
1057 | ||
1058 | static int pegasus_close(struct net_device *net) | |
1059 | { | |
1060 | pegasus_t *pegasus = netdev_priv(net); | |
1061 | ||
1062 | netif_stop_queue(net); | |
1063 | if (!(pegasus->flags & PEGASUS_UNPLUG)) | |
1064 | disable_net_traffic(pegasus); | |
1065 | tasklet_kill(&pegasus->rx_tl); | |
1066 | unlink_all_urbs(pegasus); | |
1067 | ||
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | static void pegasus_get_drvinfo(struct net_device *dev, | |
1072 | struct ethtool_drvinfo *info) | |
1073 | { | |
1074 | pegasus_t *pegasus = netdev_priv(dev); | |
7826d43f JP |
1075 | |
1076 | strlcpy(info->driver, driver_name, sizeof(info->driver)); | |
1077 | strlcpy(info->version, DRIVER_VERSION, sizeof(info->version)); | |
5a9dbfe0 | 1078 | usb_make_path(pegasus->usb, info->bus_info, sizeof(info->bus_info)); |
1da177e4 LT |
1079 | } |
1080 | ||
1081 | /* also handles three patterns of some kind in hardware */ | |
1082 | #define WOL_SUPPORTED (WAKE_MAGIC|WAKE_PHY) | |
1083 | ||
1084 | static void | |
1085 | pegasus_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
1086 | { | |
1087 | pegasus_t *pegasus = netdev_priv(dev); | |
1088 | ||
1089 | wol->supported = WAKE_MAGIC | WAKE_PHY; | |
1090 | wol->wolopts = pegasus->wolopts; | |
1091 | } | |
1092 | ||
1093 | static int | |
1094 | pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
1095 | { | |
1096 | pegasus_t *pegasus = netdev_priv(dev); | |
1097 | u8 reg78 = 0x04; | |
4fbc5b20 | 1098 | int ret; |
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; | |
4fbc5b20 ML |
1113 | |
1114 | ret = set_register(pegasus, WakeupControl, reg78); | |
1115 | if (!ret) | |
1116 | ret = device_set_wakeup_enable(&pegasus->usb->dev, | |
1117 | wol->wolopts); | |
1118 | return ret; | |
1da177e4 LT |
1119 | } |
1120 | ||
1121 | static inline void pegasus_reset_wol(struct net_device *dev) | |
1122 | { | |
1123 | struct ethtool_wolinfo wol; | |
5a9dbfe0 | 1124 | |
1da177e4 LT |
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 | { | |
5a9dbfe0 | 1184 | __u16 *data = (__u16 *) &rq->ifr_ifru; |
1da177e4 LT |
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 | ||
5a9dbfe0 | 1229 | static __u8 mii_phy_probe(pegasus_t *pegasus) |
1da177e4 LT |
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 | ||
5a9dbfe0 | 1245 | static inline void setup_pegasus_II(pegasus_t *pegasus) |
1da177e4 LT |
1246 | { |
1247 | __u8 data = 0xa5; | |
5a9dbfe0 | 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 | 1259 | |
5a9dbfe0 | 1260 | if (data == 0xa5) |
1da177e4 | 1261 | pegasus->chip = 0x8513; |
5a9dbfe0 | 1262 | else |
1da177e4 | 1263 | pegasus->chip = 0; |
1da177e4 | 1264 | |
4a1728a2 PM |
1265 | set_register(pegasus, 0x80, 0xc0); |
1266 | set_register(pegasus, 0x83, 0xff); | |
1267 | set_register(pegasus, 0x84, 0x01); | |
5a9dbfe0 | 1268 | |
1da177e4 | 1269 | if (pegasus->features & HAS_HOME_PNA && mii_mode) |
4a1728a2 | 1270 | set_register(pegasus, Reg81, 6); |
1da177e4 | 1271 | else |
4a1728a2 | 1272 | set_register(pegasus, Reg81, 2); |
1da177e4 LT |
1273 | } |
1274 | ||
1275 | ||
cda2836d | 1276 | static int pegasus_count; |
5a9dbfe0 | 1277 | static struct workqueue_struct *pegasus_workqueue; |
1da177e4 LT |
1278 | #define CARRIER_CHECK_DELAY (2 * HZ) |
1279 | ||
c4028958 | 1280 | static void check_carrier(struct work_struct *work) |
1da177e4 | 1281 | { |
c4028958 | 1282 | pegasus_t *pegasus = container_of(work, pegasus_t, carrier_check.work); |
1da177e4 LT |
1283 | set_carrier(pegasus->net); |
1284 | if (!(pegasus->flags & PEGASUS_UNPLUG)) { | |
1285 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, | |
1286 | CARRIER_CHECK_DELAY); | |
1287 | } | |
1288 | } | |
1289 | ||
4f63135e BC |
1290 | static int pegasus_blacklisted(struct usb_device *udev) |
1291 | { | |
1292 | struct usb_device_descriptor *udd = &udev->descriptor; | |
1293 | ||
1294 | /* Special quirk to keep the driver from handling the Belkin Bluetooth | |
1295 | * dongle which happens to have the same ID. | |
1296 | */ | |
e3453f63 MB |
1297 | if ((udd->idVendor == cpu_to_le16(VENDOR_BELKIN)) && |
1298 | (udd->idProduct == cpu_to_le16(0x0121)) && | |
4f63135e BC |
1299 | (udd->bDeviceClass == USB_CLASS_WIRELESS_CONTROLLER) && |
1300 | (udd->bDeviceProtocol == 1)) | |
1301 | return 1; | |
1302 | ||
1303 | return 0; | |
1304 | } | |
1305 | ||
cda2836d DB |
1306 | /* we rely on probe() and remove() being serialized so we |
1307 | * don't need extra locking on pegasus_count. | |
1308 | */ | |
1309 | static void pegasus_dec_workqueue(void) | |
1310 | { | |
1311 | pegasus_count--; | |
1312 | if (pegasus_count == 0) { | |
1313 | destroy_workqueue(pegasus_workqueue); | |
1314 | pegasus_workqueue = NULL; | |
1315 | } | |
1316 | } | |
1317 | ||
1da177e4 LT |
1318 | static int pegasus_probe(struct usb_interface *intf, |
1319 | const struct usb_device_id *id) | |
1320 | { | |
1321 | struct usb_device *dev = interface_to_usbdev(intf); | |
1322 | struct net_device *net; | |
1323 | pegasus_t *pegasus; | |
1324 | int dev_index = id - pegasus_ids; | |
1325 | int res = -ENOMEM; | |
1326 | ||
cda2836d DB |
1327 | if (pegasus_blacklisted(dev)) |
1328 | return -ENODEV; | |
4f63135e | 1329 | |
cda2836d DB |
1330 | if (pegasus_count == 0) { |
1331 | pegasus_workqueue = create_singlethread_workqueue("pegasus"); | |
1332 | if (!pegasus_workqueue) | |
1333 | return -ENOMEM; | |
4f63135e | 1334 | } |
cda2836d DB |
1335 | pegasus_count++; |
1336 | ||
1da177e4 | 1337 | net = alloc_etherdev(sizeof(struct pegasus)); |
41de8d4c | 1338 | if (!net) |
1da177e4 | 1339 | goto out; |
1da177e4 LT |
1340 | |
1341 | pegasus = netdev_priv(net); | |
1da177e4 LT |
1342 | pegasus->dev_index = dev_index; |
1343 | init_waitqueue_head(&pegasus->ctrl_wait); | |
1344 | ||
1345 | if (!alloc_urbs(pegasus)) { | |
1346 | dev_err(&intf->dev, "can't allocate %s\n", "urbs"); | |
1347 | goto out1; | |
1348 | } | |
1349 | ||
1350 | tasklet_init(&pegasus->rx_tl, rx_fixup, (unsigned long) pegasus); | |
1351 | ||
c4028958 | 1352 | INIT_DELAYED_WORK(&pegasus->carrier_check, check_carrier); |
1da177e4 LT |
1353 | |
1354 | pegasus->intf = intf; | |
1355 | pegasus->usb = dev; | |
1356 | pegasus->net = net; | |
8cb89571 ON |
1357 | |
1358 | ||
1da177e4 | 1359 | net->watchdog_timeo = PEGASUS_TX_TIMEOUT; |
8cb89571 | 1360 | net->netdev_ops = &pegasus_netdev_ops; |
1da177e4 LT |
1361 | SET_ETHTOOL_OPS(net, &ops); |
1362 | pegasus->mii.dev = net; | |
1363 | pegasus->mii.mdio_read = mdio_read; | |
1364 | pegasus->mii.mdio_write = mdio_write; | |
1365 | pegasus->mii.phy_id_mask = 0x1f; | |
1366 | pegasus->mii.reg_num_mask = 0x1f; | |
1367 | spin_lock_init(&pegasus->rx_pool_lock); | |
5a9dbfe0 | 1368 | pegasus->msg_enable = netif_msg_init(msg_level, NETIF_MSG_DRV |
1da177e4 LT |
1369 | | NETIF_MSG_PROBE | NETIF_MSG_LINK); |
1370 | ||
1371 | pegasus->features = usb_dev_id[dev_index].private; | |
1372 | get_interrupt_interval(pegasus); | |
1373 | if (reset_mac(pegasus)) { | |
1374 | dev_err(&intf->dev, "can't reset MAC\n"); | |
1375 | res = -EIO; | |
1376 | goto out2; | |
1377 | } | |
1378 | set_ethernet_addr(pegasus); | |
1379 | fill_skb_pool(pegasus); | |
1380 | if (pegasus->features & PEGASUS_II) { | |
1381 | dev_info(&intf->dev, "setup Pegasus II specific registers\n"); | |
1382 | setup_pegasus_II(pegasus); | |
1383 | } | |
1384 | pegasus->phy = mii_phy_probe(pegasus); | |
1385 | if (pegasus->phy == 0xff) { | |
1386 | dev_warn(&intf->dev, "can't locate MII phy, using default\n"); | |
1387 | pegasus->phy = 1; | |
1388 | } | |
1389 | pegasus->mii.phy_id = pegasus->phy; | |
1390 | usb_set_intfdata(intf, pegasus); | |
1391 | SET_NETDEV_DEV(net, &intf->dev); | |
1392 | pegasus_reset_wol(net); | |
1393 | res = register_netdev(net); | |
1394 | if (res) | |
1395 | goto out3; | |
1396 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, | |
1397 | CARRIER_CHECK_DELAY); | |
1398 | ||
e174961c | 1399 | dev_info(&intf->dev, "%s, %s, %pM\n", |
0795af57 JP |
1400 | net->name, |
1401 | usb_dev_id[dev_index].name, | |
e174961c | 1402 | net->dev_addr); |
1da177e4 LT |
1403 | return 0; |
1404 | ||
1405 | out3: | |
1406 | usb_set_intfdata(intf, NULL); | |
1407 | free_skb_pool(pegasus); | |
1408 | out2: | |
1409 | free_all_urbs(pegasus); | |
1410 | out1: | |
1411 | free_netdev(net); | |
1412 | out: | |
cda2836d | 1413 | pegasus_dec_workqueue(); |
1da177e4 LT |
1414 | return res; |
1415 | } | |
1416 | ||
1417 | static void pegasus_disconnect(struct usb_interface *intf) | |
1418 | { | |
1419 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
1420 | ||
1421 | usb_set_intfdata(intf, NULL); | |
1422 | if (!pegasus) { | |
1423 | dev_dbg(&intf->dev, "unregistering non-bound device?\n"); | |
1424 | return; | |
1425 | } | |
1426 | ||
1427 | pegasus->flags |= PEGASUS_UNPLUG; | |
1428 | cancel_delayed_work(&pegasus->carrier_check); | |
1429 | unregister_netdev(pegasus->net); | |
a85a46f2 | 1430 | unlink_all_urbs(pegasus); |
1da177e4 LT |
1431 | free_all_urbs(pegasus); |
1432 | free_skb_pool(pegasus); | |
4c13eb66 | 1433 | if (pegasus->rx_skb != NULL) { |
1da177e4 | 1434 | dev_kfree_skb(pegasus->rx_skb); |
4c13eb66 ACM |
1435 | pegasus->rx_skb = NULL; |
1436 | } | |
1da177e4 | 1437 | free_netdev(pegasus->net); |
cda2836d | 1438 | pegasus_dec_workqueue(); |
1da177e4 LT |
1439 | } |
1440 | ||
5a9dbfe0 | 1441 | static int pegasus_suspend(struct usb_interface *intf, pm_message_t message) |
1da177e4 LT |
1442 | { |
1443 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
5a9dbfe0 NK |
1444 | |
1445 | netif_device_detach(pegasus->net); | |
7e713b82 | 1446 | cancel_delayed_work(&pegasus->carrier_check); |
27d72e85 | 1447 | if (netif_running(pegasus->net)) { |
27d72e85 DB |
1448 | usb_kill_urb(pegasus->rx_urb); |
1449 | usb_kill_urb(pegasus->intr_urb); | |
1450 | } | |
1da177e4 LT |
1451 | return 0; |
1452 | } | |
1453 | ||
5a9dbfe0 | 1454 | static int pegasus_resume(struct usb_interface *intf) |
1da177e4 LT |
1455 | { |
1456 | struct pegasus *pegasus = usb_get_intfdata(intf); | |
1457 | ||
5a9dbfe0 | 1458 | netif_device_attach(pegasus->net); |
27d72e85 DB |
1459 | if (netif_running(pegasus->net)) { |
1460 | pegasus->rx_urb->status = 0; | |
1461 | pegasus->rx_urb->actual_length = 0; | |
7d12e780 | 1462 | read_bulk_callback(pegasus->rx_urb); |
27d72e85 DB |
1463 | |
1464 | pegasus->intr_urb->status = 0; | |
1465 | pegasus->intr_urb->actual_length = 0; | |
7d12e780 | 1466 | intr_callback(pegasus->intr_urb); |
27d72e85 | 1467 | } |
7e713b82 DB |
1468 | queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check, |
1469 | CARRIER_CHECK_DELAY); | |
1da177e4 LT |
1470 | return 0; |
1471 | } | |
1472 | ||
8cb89571 ON |
1473 | static const struct net_device_ops pegasus_netdev_ops = { |
1474 | .ndo_open = pegasus_open, | |
1475 | .ndo_stop = pegasus_close, | |
1476 | .ndo_do_ioctl = pegasus_ioctl, | |
1477 | .ndo_start_xmit = pegasus_start_xmit, | |
afc4b13d | 1478 | .ndo_set_rx_mode = pegasus_set_multicast, |
8cb89571 ON |
1479 | .ndo_get_stats = pegasus_netdev_stats, |
1480 | .ndo_tx_timeout = pegasus_tx_timeout, | |
635ecaa7 | 1481 | .ndo_change_mtu = eth_change_mtu, |
240c102d BH |
1482 | .ndo_set_mac_address = eth_mac_addr, |
1483 | .ndo_validate_addr = eth_validate_addr, | |
8cb89571 ON |
1484 | }; |
1485 | ||
1da177e4 LT |
1486 | static struct usb_driver pegasus_driver = { |
1487 | .name = driver_name, | |
1488 | .probe = pegasus_probe, | |
1489 | .disconnect = pegasus_disconnect, | |
1490 | .id_table = pegasus_ids, | |
1491 | .suspend = pegasus_suspend, | |
1492 | .resume = pegasus_resume, | |
e1f12eb6 | 1493 | .disable_hub_initiated_lpm = 1, |
1da177e4 LT |
1494 | }; |
1495 | ||
cda2836d | 1496 | static void __init parse_id(char *id) |
a4f81a61 | 1497 | { |
5a9dbfe0 NK |
1498 | unsigned int vendor_id = 0, device_id = 0, flags = 0, i = 0; |
1499 | char *token, *name = NULL; | |
a4f81a61 Y |
1500 | |
1501 | if ((token = strsep(&id, ":")) != NULL) | |
1502 | name = token; | |
1503 | /* name now points to a null terminated string*/ | |
1504 | if ((token = strsep(&id, ":")) != NULL) | |
1505 | vendor_id = simple_strtoul(token, NULL, 16); | |
1506 | if ((token = strsep(&id, ":")) != NULL) | |
1507 | device_id = simple_strtoul(token, NULL, 16); | |
1508 | flags = simple_strtoul(id, NULL, 16); | |
1509 | pr_info("%s: new device %s, vendor ID 0x%04x, device ID 0x%04x, flags: 0x%x\n", | |
5a9dbfe0 | 1510 | driver_name, name, vendor_id, device_id, flags); |
a4f81a61 Y |
1511 | |
1512 | if (vendor_id > 0x10000 || vendor_id == 0) | |
1513 | return; | |
1514 | if (device_id > 0x10000 || device_id == 0) | |
1515 | return; | |
1516 | ||
5a9dbfe0 | 1517 | for (i = 0; usb_dev_id[i].name; i++); |
a4f81a61 Y |
1518 | usb_dev_id[i].name = name; |
1519 | usb_dev_id[i].vendor = vendor_id; | |
1520 | usb_dev_id[i].device = device_id; | |
1521 | usb_dev_id[i].private = flags; | |
1522 | pegasus_ids[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; | |
1523 | pegasus_ids[i].idVendor = vendor_id; | |
1524 | pegasus_ids[i].idProduct = device_id; | |
1525 | } | |
1526 | ||
1da177e4 LT |
1527 | static int __init pegasus_init(void) |
1528 | { | |
1529 | pr_info("%s: %s, " DRIVER_DESC "\n", driver_name, DRIVER_VERSION); | |
a4f81a61 Y |
1530 | if (devid) |
1531 | parse_id(devid); | |
1da177e4 LT |
1532 | return usb_register(&pegasus_driver); |
1533 | } | |
1534 | ||
1535 | static void __exit pegasus_exit(void) | |
1536 | { | |
1da177e4 LT |
1537 | usb_deregister(&pegasus_driver); |
1538 | } | |
1539 | ||
1540 | module_init(pegasus_init); | |
1541 | module_exit(pegasus_exit); |