rt2x00: fix crash in rt2800usb_get_txwi
[linux-2.6.git] / drivers / net / wireless / rt2x00 / rt2800usb.c
1 /*
2         Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3         Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
4         Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
5         Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
6         Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
7         Copyright (C) 2009 Axel Kollhofer <rain_maker@root-forum.org>
8         <http://rt2x00.serialmonkey.com>
9
10         This program is free software; you can redistribute it and/or modify
11         it under the terms of the GNU General Public License as published by
12         the Free Software Foundation; either version 2 of the License, or
13         (at your option) any later version.
14
15         This program is distributed in the hope that it will be useful,
16         but WITHOUT ANY WARRANTY; without even the implied warranty of
17         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18         GNU General Public License for more details.
19
20         You should have received a copy of the GNU General Public License
21         along with this program; if not, write to the
22         Free Software Foundation, Inc.,
23         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24  */
25
26 /*
27         Module: rt2800usb
28         Abstract: rt2800usb device specific routines.
29         Supported chipsets: RT2800U.
30  */
31
32 #include <linux/delay.h>
33 #include <linux/etherdevice.h>
34 #include <linux/init.h>
35 #include <linux/kernel.h>
36 #include <linux/module.h>
37 #include <linux/usb.h>
38
39 #include "rt2x00.h"
40 #include "rt2x00usb.h"
41 #include "rt2800lib.h"
42 #include "rt2800.h"
43 #include "rt2800usb.h"
44
45 /*
46  * Allow hardware encryption to be disabled.
47  */
48 static int modparam_nohwcrypt;
49 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
50 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
51
52 /*
53  * Queue handlers.
54  */
55 static void rt2800usb_start_queue(struct data_queue *queue)
56 {
57         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
58         u32 reg;
59
60         switch (queue->qid) {
61         case QID_RX:
62                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
63                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
64                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
65                 break;
66         case QID_BEACON:
67                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
68                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
69                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
70                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
71                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
72                 break;
73         default:
74                 break;
75         }
76 }
77
78 static void rt2800usb_stop_queue(struct data_queue *queue)
79 {
80         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
81         u32 reg;
82
83         switch (queue->qid) {
84         case QID_RX:
85                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
86                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
87                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
88                 break;
89         case QID_BEACON:
90                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
91                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
92                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
93                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
94                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
95                 break;
96         default:
97                 break;
98         }
99 }
100
101 /*
102  * test if there is an entry in any TX queue for which DMA is done
103  * but the TX status has not been returned yet
104  */
105 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
106 {
107         struct data_queue *queue;
108
109         tx_queue_for_each(rt2x00dev, queue) {
110                 if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
111                     rt2x00queue_get_entry(queue, Q_INDEX_DONE))
112                         return true;
113         }
114         return false;
115 }
116
117 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
118                                                  int urb_status, u32 tx_status)
119 {
120         if (urb_status) {
121                 WARNING(rt2x00dev, "rt2x00usb_register_read_async failed: %d\n", urb_status);
122                 return false;
123         }
124
125         /* try to read all TX_STA_FIFO entries before scheduling txdone_work */
126         if (rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID)) {
127                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, &tx_status)) {
128                         WARNING(rt2x00dev, "TX status FIFO overrun, "
129                                 "drop tx status report.\n");
130                         queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
131                 } else
132                         return true;
133         } else if (!kfifo_is_empty(&rt2x00dev->txstatus_fifo)) {
134                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
135         } else if (rt2800usb_txstatus_pending(rt2x00dev)) {
136                 mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
137         }
138
139         return false;
140 }
141
142 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
143 {
144         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
145
146         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
147                                       rt2800usb_tx_sta_fifo_read_completed);
148 }
149
150 static void rt2800usb_tx_sta_fifo_timeout(unsigned long data)
151 {
152         struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
153
154         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
155                                       rt2800usb_tx_sta_fifo_read_completed);
156 }
157
158 /*
159  * Firmware functions
160  */
161 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
162 {
163         return FIRMWARE_RT2870;
164 }
165
166 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
167                                     const u8 *data, const size_t len)
168 {
169         int status;
170         u32 offset;
171         u32 length;
172
173         /*
174          * Check which section of the firmware we need.
175          */
176         if (rt2x00_rt(rt2x00dev, RT2860) ||
177             rt2x00_rt(rt2x00dev, RT2872) ||
178             rt2x00_rt(rt2x00dev, RT3070)) {
179                 offset = 0;
180                 length = 4096;
181         } else {
182                 offset = 4096;
183                 length = 4096;
184         }
185
186         /*
187          * Write firmware to device.
188          */
189         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
190                                       data + offset, length);
191
192         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
193         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
194
195         /*
196          * Send firmware request to device to load firmware,
197          * we need to specify a long timeout time.
198          */
199         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
200                                              0, USB_MODE_FIRMWARE,
201                                              REGISTER_TIMEOUT_FIRMWARE);
202         if (status < 0) {
203                 ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
204                 return status;
205         }
206
207         msleep(10);
208         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
209
210         return 0;
211 }
212
213 /*
214  * Device state switch handlers.
215  */
216 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
217 {
218         u32 reg;
219
220         /*
221          * Wait until BBP and RF are ready.
222          */
223         if (rt2800_wait_csr_ready(rt2x00dev))
224                 return -EBUSY;
225
226         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
227         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
228
229         rt2x00usb_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
230
231         rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
232         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
233         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
234         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
235
236         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
237
238         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
239                                     USB_MODE_RESET, REGISTER_TIMEOUT);
240
241         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
242
243         return 0;
244 }
245
246 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
247 {
248         u32 reg;
249
250         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
251                 return -EIO;
252
253         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
254         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
255         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
256         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
257         /*
258          * Total room for RX frames in kilobytes, PBF might still exceed
259          * this limit so reduce the number to prevent errors.
260          */
261         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
262                            ((rt2x00dev->ops->rx->entry_num * DATA_FRAME_SIZE)
263                             / 1024) - 3);
264         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
265         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
266         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
267
268         return rt2800_enable_radio(rt2x00dev);
269 }
270
271 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
272 {
273         rt2800_disable_radio(rt2x00dev);
274         rt2x00usb_disable_radio(rt2x00dev);
275 }
276
277 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
278                                enum dev_state state)
279 {
280         if (state == STATE_AWAKE)
281                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
282         else
283                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
284
285         return 0;
286 }
287
288 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
289                                       enum dev_state state)
290 {
291         int retval = 0;
292
293         switch (state) {
294         case STATE_RADIO_ON:
295                 /*
296                  * Before the radio can be enabled, the device first has
297                  * to be woken up. After that it needs a bit of time
298                  * to be fully awake and then the radio can be enabled.
299                  */
300                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
301                 msleep(1);
302                 retval = rt2800usb_enable_radio(rt2x00dev);
303                 break;
304         case STATE_RADIO_OFF:
305                 /*
306                  * After the radio has been disabled, the device should
307                  * be put to sleep for powersaving.
308                  */
309                 rt2800usb_disable_radio(rt2x00dev);
310                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
311                 break;
312         case STATE_RADIO_IRQ_ON:
313         case STATE_RADIO_IRQ_OFF:
314                 /* No support, but no error either */
315                 break;
316         case STATE_DEEP_SLEEP:
317         case STATE_SLEEP:
318         case STATE_STANDBY:
319         case STATE_AWAKE:
320                 retval = rt2800usb_set_state(rt2x00dev, state);
321                 break;
322         default:
323                 retval = -ENOTSUPP;
324                 break;
325         }
326
327         if (unlikely(retval))
328                 ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
329                       state, retval);
330
331         return retval;
332 }
333
334 /*
335  * Watchdog handlers
336  */
337 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
338 {
339         unsigned int i;
340         u32 reg;
341
342         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
343         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
344                 WARNING(rt2x00dev, "TX HW queue 0 timed out,"
345                         " invoke forced kick\n");
346
347                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
348
349                 for (i = 0; i < 10; i++) {
350                         udelay(10);
351                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
352                                 break;
353                 }
354
355                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
356         }
357
358         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
359         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
360                 WARNING(rt2x00dev, "TX HW queue 1 timed out,"
361                         " invoke forced kick\n");
362
363                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
364
365                 for (i = 0; i < 10; i++) {
366                         udelay(10);
367                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
368                                 break;
369                 }
370
371                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
372         }
373
374         rt2x00usb_watchdog(rt2x00dev);
375 }
376
377 /*
378  * TX descriptor initialization
379  */
380 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
381 {
382         if (entry->queue->qid == QID_BEACON)
383                 return (__le32 *) (entry->skb->data);
384         else
385                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
386 }
387
388 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
389                                     struct txentry_desc *txdesc)
390 {
391         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
392         __le32 *txi = (__le32 *) entry->skb->data;
393         u32 word;
394
395         /*
396          * Initialize TXINFO descriptor
397          */
398         rt2x00_desc_read(txi, 0, &word);
399
400         /*
401          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
402          * TXWI + 802.11 header + L2 pad + payload + pad,
403          * so need to decrease size of TXINFO and USB end pad.
404          */
405         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
406                            entry->skb->len - TXINFO_DESC_SIZE - 4);
407         rt2x00_set_field32(&word, TXINFO_W0_WIV,
408                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
409         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
410         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
411         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
412         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
413                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
414         rt2x00_desc_write(txi, 0, word);
415
416         /*
417          * Register descriptor details in skb frame descriptor.
418          */
419         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
420         skbdesc->desc = txi;
421         skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE;
422 }
423
424 static void rt2800usb_write_tx_data(struct queue_entry *entry,
425                                         struct txentry_desc *txdesc)
426 {
427         unsigned int len;
428         int err;
429
430         rt2800_write_tx_data(entry, txdesc);
431
432         /*
433          * pad(1~3 bytes) is added after each 802.11 payload.
434          * USB end pad(4 bytes) is added at each USB bulk out packet end.
435          * TX frame format is :
436          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
437          *                 |<------------- tx_pkt_len ------------->|
438          */
439         len = roundup(entry->skb->len, 4) + 4;
440         err = skb_padto(entry->skb, len);
441         if (unlikely(err)) {
442                 WARNING(entry->queue->rt2x00dev, "TX SKB padding error, out of memory\n");
443                 return;
444         }
445
446         entry->skb->len = len;
447 }
448
449 /*
450  * TX data initialization
451  */
452 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
453 {
454         return entry->skb->len;
455 }
456
457 /*
458  * TX control handlers
459  */
460 static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
461 {
462         __le32 *txwi;
463         u32 word;
464         int wcid, ack, pid;
465         int tx_wcid, tx_ack, tx_pid;
466
467         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
468             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags)) {
469                 WARNING(entry->queue->rt2x00dev,
470                         "Data pending for entry %u in queue %u\n",
471                         entry->entry_idx, entry->queue->qid);
472                 cond_resched();
473                 return false;
474         }
475
476         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
477         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
478         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
479
480         /*
481          * This frames has returned with an IO error,
482          * so the status report is not intended for this
483          * frame.
484          */
485         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
486                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
487                 return false;
488         }
489
490         /*
491          * Validate if this TX status report is intended for
492          * this entry by comparing the WCID/ACK/PID fields.
493          */
494         txwi = rt2800usb_get_txwi(entry);
495
496         rt2x00_desc_read(txwi, 1, &word);
497         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
498         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
499         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
500
501         if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
502                 WARNING(entry->queue->rt2x00dev,
503                         "TX status report missed for queue %d entry %d\n",
504                 entry->queue->qid, entry->entry_idx);
505                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
506                 return false;
507         }
508
509         return true;
510 }
511
512 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
513 {
514         struct data_queue *queue;
515         struct queue_entry *entry;
516         u32 reg;
517         u8 qid;
518
519         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
520
521                 /* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
522                  * qid is guaranteed to be one of the TX QIDs
523                  */
524                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
525                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
526                 if (unlikely(!queue)) {
527                         WARNING(rt2x00dev, "Got TX status for an unavailable "
528                                            "queue %u, dropping\n", qid);
529                         continue;
530                 }
531
532                 /*
533                  * Inside each queue, we process each entry in a chronological
534                  * order. We first check that the queue is not empty.
535                  */
536                 entry = NULL;
537                 while (!rt2x00queue_empty(queue)) {
538                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
539                         if (rt2800usb_txdone_entry_check(entry, reg))
540                                 break;
541                         entry = NULL;
542                 }
543
544                 if (entry)
545                         rt2800_txdone_entry(entry, reg);
546         }
547 }
548
549 static void rt2800usb_work_txdone(struct work_struct *work)
550 {
551         struct rt2x00_dev *rt2x00dev =
552             container_of(work, struct rt2x00_dev, txdone_work);
553         struct data_queue *queue;
554         struct queue_entry *entry;
555
556         rt2800usb_txdone(rt2x00dev);
557
558         /*
559          * Process any trailing TX status reports for IO failures,
560          * we loop until we find the first non-IO error entry. This
561          * can either be a frame which is free, is being uploaded,
562          * or has completed the upload but didn't have an entry
563          * in the TX_STAT_FIFO register yet.
564          */
565         tx_queue_for_each(rt2x00dev, queue) {
566                 while (!rt2x00queue_empty(queue)) {
567                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
568
569                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
570                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
571                                 break;
572
573                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
574                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
575                         else if (rt2x00queue_status_timeout(entry))
576                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
577                         else
578                                 break;
579                 }
580         }
581
582         /*
583          * The hw may delay sending the packet after DMA complete
584          * if the medium is busy, thus the TX_STA_FIFO entry is
585          * also delayed -> use a timer to retrieve it.
586          */
587         if (rt2800usb_txstatus_pending(rt2x00dev))
588                 mod_timer(&rt2x00dev->txstatus_timer, jiffies + msecs_to_jiffies(2));
589 }
590
591 /*
592  * RX control handlers
593  */
594 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
595                                   struct rxdone_entry_desc *rxdesc)
596 {
597         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
598         __le32 *rxi = (__le32 *)entry->skb->data;
599         __le32 *rxd;
600         u32 word;
601         int rx_pkt_len;
602
603         /*
604          * Copy descriptor to the skbdesc->desc buffer, making it safe from
605          * moving of frame data in rt2x00usb.
606          */
607         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
608
609         /*
610          * RX frame format is :
611          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
612          *          |<------------ rx_pkt_len -------------->|
613          */
614         rt2x00_desc_read(rxi, 0, &word);
615         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
616
617         /*
618          * Remove the RXINFO structure from the sbk.
619          */
620         skb_pull(entry->skb, RXINFO_DESC_SIZE);
621
622         /*
623          * FIXME: we need to check for rx_pkt_len validity
624          */
625         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
626
627         /*
628          * It is now safe to read the descriptor on all architectures.
629          */
630         rt2x00_desc_read(rxd, 0, &word);
631
632         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
633                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
634
635         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
636
637         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
638                 /*
639                  * Hardware has stripped IV/EIV data from 802.11 frame during
640                  * decryption. Unfortunately the descriptor doesn't contain
641                  * any fields with the EIV/IV data either, so they can't
642                  * be restored by rt2x00lib.
643                  */
644                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
645
646                 /*
647                  * The hardware has already checked the Michael Mic and has
648                  * stripped it from the frame. Signal this to mac80211.
649                  */
650                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
651
652                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
653                         rxdesc->flags |= RX_FLAG_DECRYPTED;
654                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
655                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
656         }
657
658         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
659                 rxdesc->dev_flags |= RXDONE_MY_BSS;
660
661         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
662                 rxdesc->dev_flags |= RXDONE_L2PAD;
663
664         /*
665          * Remove RXD descriptor from end of buffer.
666          */
667         skb_trim(entry->skb, rx_pkt_len);
668
669         /*
670          * Process the RXWI structure.
671          */
672         rt2800_process_rxwi(entry, rxdesc);
673 }
674
675 /*
676  * Device probe functions.
677  */
678 static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
679 {
680         if (rt2800_efuse_detect(rt2x00dev))
681                 rt2800_read_eeprom_efuse(rt2x00dev);
682         else
683                 rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
684                                       EEPROM_SIZE);
685
686         return rt2800_validate_eeprom(rt2x00dev);
687 }
688
689 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
690 {
691         int retval;
692
693         /*
694          * Allocate eeprom data.
695          */
696         retval = rt2800usb_validate_eeprom(rt2x00dev);
697         if (retval)
698                 return retval;
699
700         retval = rt2800_init_eeprom(rt2x00dev);
701         if (retval)
702                 return retval;
703
704         /*
705          * Initialize hw specifications.
706          */
707         retval = rt2800_probe_hw_mode(rt2x00dev);
708         if (retval)
709                 return retval;
710
711         /*
712          * This device has multiple filters for control frames
713          * and has a separate filter for PS Poll frames.
714          */
715         __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
716         __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
717
718         /*
719          * This device requires firmware.
720          */
721         __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
722         __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
723         if (!modparam_nohwcrypt)
724                 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
725         __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
726         __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
727         __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
728         __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
729
730         setup_timer(&rt2x00dev->txstatus_timer,
731                     rt2800usb_tx_sta_fifo_timeout,
732                     (unsigned long) rt2x00dev);
733
734         /*
735          * Set the rssi offset.
736          */
737         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
738
739         /*
740          * Overwrite TX done handler
741          */
742         PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
743
744         return 0;
745 }
746
747 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
748         .tx                     = rt2x00mac_tx,
749         .start                  = rt2x00mac_start,
750         .stop                   = rt2x00mac_stop,
751         .add_interface          = rt2x00mac_add_interface,
752         .remove_interface       = rt2x00mac_remove_interface,
753         .config                 = rt2x00mac_config,
754         .configure_filter       = rt2x00mac_configure_filter,
755         .set_tim                = rt2x00mac_set_tim,
756         .set_key                = rt2x00mac_set_key,
757         .sw_scan_start          = rt2x00mac_sw_scan_start,
758         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
759         .get_stats              = rt2x00mac_get_stats,
760         .get_tkip_seq           = rt2800_get_tkip_seq,
761         .set_rts_threshold      = rt2800_set_rts_threshold,
762         .bss_info_changed       = rt2x00mac_bss_info_changed,
763         .conf_tx                = rt2800_conf_tx,
764         .get_tsf                = rt2800_get_tsf,
765         .rfkill_poll            = rt2x00mac_rfkill_poll,
766         .ampdu_action           = rt2800_ampdu_action,
767         .flush                  = rt2x00mac_flush,
768         .get_survey             = rt2800_get_survey,
769         .get_ringparam          = rt2x00mac_get_ringparam,
770         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
771 };
772
773 static const struct rt2800_ops rt2800usb_rt2800_ops = {
774         .register_read          = rt2x00usb_register_read,
775         .register_read_lock     = rt2x00usb_register_read_lock,
776         .register_write         = rt2x00usb_register_write,
777         .register_write_lock    = rt2x00usb_register_write_lock,
778         .register_multiread     = rt2x00usb_register_multiread,
779         .register_multiwrite    = rt2x00usb_register_multiwrite,
780         .regbusy_read           = rt2x00usb_regbusy_read,
781         .drv_write_firmware     = rt2800usb_write_firmware,
782         .drv_init_registers     = rt2800usb_init_registers,
783         .drv_get_txwi           = rt2800usb_get_txwi,
784 };
785
786 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
787         .probe_hw               = rt2800usb_probe_hw,
788         .get_firmware_name      = rt2800usb_get_firmware_name,
789         .check_firmware         = rt2800_check_firmware,
790         .load_firmware          = rt2800_load_firmware,
791         .initialize             = rt2x00usb_initialize,
792         .uninitialize           = rt2x00usb_uninitialize,
793         .clear_entry            = rt2x00usb_clear_entry,
794         .set_device_state       = rt2800usb_set_device_state,
795         .rfkill_poll            = rt2800_rfkill_poll,
796         .link_stats             = rt2800_link_stats,
797         .reset_tuner            = rt2800_reset_tuner,
798         .link_tuner             = rt2800_link_tuner,
799         .gain_calibration       = rt2800_gain_calibration,
800         .watchdog               = rt2800usb_watchdog,
801         .start_queue            = rt2800usb_start_queue,
802         .kick_queue             = rt2x00usb_kick_queue,
803         .stop_queue             = rt2800usb_stop_queue,
804         .flush_queue            = rt2x00usb_flush_queue,
805         .tx_dma_done            = rt2800usb_tx_dma_done,
806         .write_tx_desc          = rt2800usb_write_tx_desc,
807         .write_tx_data          = rt2800usb_write_tx_data,
808         .write_beacon           = rt2800_write_beacon,
809         .clear_beacon           = rt2800_clear_beacon,
810         .get_tx_data_len        = rt2800usb_get_tx_data_len,
811         .fill_rxdone            = rt2800usb_fill_rxdone,
812         .config_shared_key      = rt2800_config_shared_key,
813         .config_pairwise_key    = rt2800_config_pairwise_key,
814         .config_filter          = rt2800_config_filter,
815         .config_intf            = rt2800_config_intf,
816         .config_erp             = rt2800_config_erp,
817         .config_ant             = rt2800_config_ant,
818         .config                 = rt2800_config,
819 };
820
821 static const struct data_queue_desc rt2800usb_queue_rx = {
822         .entry_num              = 128,
823         .data_size              = AGGREGATION_SIZE,
824         .desc_size              = RXINFO_DESC_SIZE + RXWI_DESC_SIZE,
825         .priv_size              = sizeof(struct queue_entry_priv_usb),
826 };
827
828 static const struct data_queue_desc rt2800usb_queue_tx = {
829         .entry_num              = 64,
830         .data_size              = AGGREGATION_SIZE,
831         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
832         .priv_size              = sizeof(struct queue_entry_priv_usb),
833 };
834
835 static const struct data_queue_desc rt2800usb_queue_bcn = {
836         .entry_num              = 8,
837         .data_size              = MGMT_FRAME_SIZE,
838         .desc_size              = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
839         .priv_size              = sizeof(struct queue_entry_priv_usb),
840 };
841
842 static const struct rt2x00_ops rt2800usb_ops = {
843         .name                   = KBUILD_MODNAME,
844         .max_sta_intf           = 1,
845         .max_ap_intf            = 8,
846         .eeprom_size            = EEPROM_SIZE,
847         .rf_size                = RF_SIZE,
848         .tx_queues              = NUM_TX_QUEUES,
849         .extra_tx_headroom      = TXINFO_DESC_SIZE + TXWI_DESC_SIZE,
850         .rx                     = &rt2800usb_queue_rx,
851         .tx                     = &rt2800usb_queue_tx,
852         .bcn                    = &rt2800usb_queue_bcn,
853         .lib                    = &rt2800usb_rt2x00_ops,
854         .drv                    = &rt2800usb_rt2800_ops,
855         .hw                     = &rt2800usb_mac80211_ops,
856 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
857         .debugfs                = &rt2800_rt2x00debug,
858 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
859 };
860
861 /*
862  * rt2800usb module information.
863  */
864 static struct usb_device_id rt2800usb_device_table[] = {
865         /* Abocom */
866         { USB_DEVICE(0x07b8, 0x2870) },
867         { USB_DEVICE(0x07b8, 0x2770) },
868         { USB_DEVICE(0x07b8, 0x3070) },
869         { USB_DEVICE(0x07b8, 0x3071) },
870         { USB_DEVICE(0x07b8, 0x3072) },
871         { USB_DEVICE(0x1482, 0x3c09) },
872         /* AirTies */
873         { USB_DEVICE(0x1eda, 0x2012) },
874         { USB_DEVICE(0x1eda, 0x2310) },
875         /* Allwin */
876         { USB_DEVICE(0x8516, 0x2070) },
877         { USB_DEVICE(0x8516, 0x2770) },
878         { USB_DEVICE(0x8516, 0x2870) },
879         { USB_DEVICE(0x8516, 0x3070) },
880         { USB_DEVICE(0x8516, 0x3071) },
881         { USB_DEVICE(0x8516, 0x3072) },
882         /* Alpha Networks */
883         { USB_DEVICE(0x14b2, 0x3c06) },
884         { USB_DEVICE(0x14b2, 0x3c07) },
885         { USB_DEVICE(0x14b2, 0x3c09) },
886         { USB_DEVICE(0x14b2, 0x3c12) },
887         { USB_DEVICE(0x14b2, 0x3c23) },
888         { USB_DEVICE(0x14b2, 0x3c25) },
889         { USB_DEVICE(0x14b2, 0x3c27) },
890         { USB_DEVICE(0x14b2, 0x3c28) },
891         { USB_DEVICE(0x14b2, 0x3c2c) },
892         /* Amit */
893         { USB_DEVICE(0x15c5, 0x0008) },
894         /* Askey */
895         { USB_DEVICE(0x1690, 0x0740) },
896         /* ASUS */
897         { USB_DEVICE(0x0b05, 0x1731) },
898         { USB_DEVICE(0x0b05, 0x1732) },
899         { USB_DEVICE(0x0b05, 0x1742) },
900         { USB_DEVICE(0x0b05, 0x1784) },
901         { USB_DEVICE(0x1761, 0x0b05) },
902         /* AzureWave */
903         { USB_DEVICE(0x13d3, 0x3247) },
904         { USB_DEVICE(0x13d3, 0x3273) },
905         { USB_DEVICE(0x13d3, 0x3305) },
906         { USB_DEVICE(0x13d3, 0x3307) },
907         { USB_DEVICE(0x13d3, 0x3321) },
908         /* Belkin */
909         { USB_DEVICE(0x050d, 0x8053) },
910         { USB_DEVICE(0x050d, 0x805c) },
911         { USB_DEVICE(0x050d, 0x815c) },
912         { USB_DEVICE(0x050d, 0x825b) },
913         { USB_DEVICE(0x050d, 0x935a) },
914         { USB_DEVICE(0x050d, 0x935b) },
915         /* Buffalo */
916         { USB_DEVICE(0x0411, 0x00e8) },
917         { USB_DEVICE(0x0411, 0x016f) },
918         { USB_DEVICE(0x0411, 0x01a2) },
919         /* Corega */
920         { USB_DEVICE(0x07aa, 0x002f) },
921         { USB_DEVICE(0x07aa, 0x003c) },
922         { USB_DEVICE(0x07aa, 0x003f) },
923         { USB_DEVICE(0x18c5, 0x0012) },
924         /* D-Link */
925         { USB_DEVICE(0x07d1, 0x3c09) },
926         { USB_DEVICE(0x07d1, 0x3c0a) },
927         { USB_DEVICE(0x07d1, 0x3c0d) },
928         { USB_DEVICE(0x07d1, 0x3c0e) },
929         { USB_DEVICE(0x07d1, 0x3c0f) },
930         { USB_DEVICE(0x07d1, 0x3c11) },
931         { USB_DEVICE(0x07d1, 0x3c16) },
932         /* Draytek */
933         { USB_DEVICE(0x07fa, 0x7712) },
934         /* DVICO */
935         { USB_DEVICE(0x0fe9, 0xb307) },
936         /* Edimax */
937         { USB_DEVICE(0x7392, 0x7711) },
938         { USB_DEVICE(0x7392, 0x7717) },
939         { USB_DEVICE(0x7392, 0x7718) },
940         /* Encore */
941         { USB_DEVICE(0x203d, 0x1480) },
942         { USB_DEVICE(0x203d, 0x14a9) },
943         /* EnGenius */
944         { USB_DEVICE(0x1740, 0x9701) },
945         { USB_DEVICE(0x1740, 0x9702) },
946         { USB_DEVICE(0x1740, 0x9703) },
947         { USB_DEVICE(0x1740, 0x9705) },
948         { USB_DEVICE(0x1740, 0x9706) },
949         { USB_DEVICE(0x1740, 0x9707) },
950         { USB_DEVICE(0x1740, 0x9708) },
951         { USB_DEVICE(0x1740, 0x9709) },
952         /* Gemtek */
953         { USB_DEVICE(0x15a9, 0x0012) },
954         /* Gigabyte */
955         { USB_DEVICE(0x1044, 0x800b) },
956         { USB_DEVICE(0x1044, 0x800d) },
957         /* Hawking */
958         { USB_DEVICE(0x0e66, 0x0001) },
959         { USB_DEVICE(0x0e66, 0x0003) },
960         { USB_DEVICE(0x0e66, 0x0009) },
961         { USB_DEVICE(0x0e66, 0x000b) },
962         { USB_DEVICE(0x0e66, 0x0013) },
963         { USB_DEVICE(0x0e66, 0x0017) },
964         { USB_DEVICE(0x0e66, 0x0018) },
965         /* I-O DATA */
966         { USB_DEVICE(0x04bb, 0x0945) },
967         { USB_DEVICE(0x04bb, 0x0947) },
968         { USB_DEVICE(0x04bb, 0x0948) },
969         /* Linksys */
970         { USB_DEVICE(0x13b1, 0x0031) },
971         { USB_DEVICE(0x1737, 0x0070) },
972         { USB_DEVICE(0x1737, 0x0071) },
973         /* Logitec */
974         { USB_DEVICE(0x0789, 0x0162) },
975         { USB_DEVICE(0x0789, 0x0163) },
976         { USB_DEVICE(0x0789, 0x0164) },
977         { USB_DEVICE(0x0789, 0x0166) },
978         /* Motorola */
979         { USB_DEVICE(0x100d, 0x9031) },
980         /* MSI */
981         { USB_DEVICE(0x0db0, 0x3820) },
982         { USB_DEVICE(0x0db0, 0x3821) },
983         { USB_DEVICE(0x0db0, 0x3822) },
984         { USB_DEVICE(0x0db0, 0x3870) },
985         { USB_DEVICE(0x0db0, 0x3871) },
986         { USB_DEVICE(0x0db0, 0x6899) },
987         { USB_DEVICE(0x0db0, 0x821a) },
988         { USB_DEVICE(0x0db0, 0x822a) },
989         { USB_DEVICE(0x0db0, 0x822b) },
990         { USB_DEVICE(0x0db0, 0x822c) },
991         { USB_DEVICE(0x0db0, 0x870a) },
992         { USB_DEVICE(0x0db0, 0x871a) },
993         { USB_DEVICE(0x0db0, 0x871b) },
994         { USB_DEVICE(0x0db0, 0x871c) },
995         { USB_DEVICE(0x0db0, 0x899a) },
996         /* Para */
997         { USB_DEVICE(0x20b8, 0x8888) },
998         /* Pegatron */
999         { USB_DEVICE(0x1d4d, 0x000c) },
1000         { USB_DEVICE(0x1d4d, 0x000e) },
1001         { USB_DEVICE(0x1d4d, 0x0011) },
1002         /* Philips */
1003         { USB_DEVICE(0x0471, 0x200f) },
1004         /* Planex */
1005         { USB_DEVICE(0x2019, 0xab25) },
1006         { USB_DEVICE(0x2019, 0xed06) },
1007         /* Quanta */
1008         { USB_DEVICE(0x1a32, 0x0304) },
1009         /* Ralink */
1010         { USB_DEVICE(0x148f, 0x2070) },
1011         { USB_DEVICE(0x148f, 0x2770) },
1012         { USB_DEVICE(0x148f, 0x2870) },
1013         { USB_DEVICE(0x148f, 0x3070) },
1014         { USB_DEVICE(0x148f, 0x3071) },
1015         { USB_DEVICE(0x148f, 0x3072) },
1016         /* Samsung */
1017         { USB_DEVICE(0x04e8, 0x2018) },
1018         /* Siemens */
1019         { USB_DEVICE(0x129b, 0x1828) },
1020         /* Sitecom */
1021         { USB_DEVICE(0x0df6, 0x0017) },
1022         { USB_DEVICE(0x0df6, 0x002b) },
1023         { USB_DEVICE(0x0df6, 0x002c) },
1024         { USB_DEVICE(0x0df6, 0x002d) },
1025         { USB_DEVICE(0x0df6, 0x0039) },
1026         { USB_DEVICE(0x0df6, 0x003b) },
1027         { USB_DEVICE(0x0df6, 0x003d) },
1028         { USB_DEVICE(0x0df6, 0x003e) },
1029         { USB_DEVICE(0x0df6, 0x003f) },
1030         { USB_DEVICE(0x0df6, 0x0040) },
1031         { USB_DEVICE(0x0df6, 0x0042) },
1032         { USB_DEVICE(0x0df6, 0x0047) },
1033         { USB_DEVICE(0x0df6, 0x0048) },
1034         { USB_DEVICE(0x0df6, 0x0051) },
1035         { USB_DEVICE(0x0df6, 0x005f) },
1036         { USB_DEVICE(0x0df6, 0x0060) },
1037         /* SMC */
1038         { USB_DEVICE(0x083a, 0x6618) },
1039         { USB_DEVICE(0x083a, 0x7511) },
1040         { USB_DEVICE(0x083a, 0x7512) },
1041         { USB_DEVICE(0x083a, 0x7522) },
1042         { USB_DEVICE(0x083a, 0x8522) },
1043         { USB_DEVICE(0x083a, 0xa618) },
1044         { USB_DEVICE(0x083a, 0xa701) },
1045         { USB_DEVICE(0x083a, 0xa702) },
1046         { USB_DEVICE(0x083a, 0xa703) },
1047         { USB_DEVICE(0x083a, 0xb522) },
1048         /* Sparklan */
1049         { USB_DEVICE(0x15a9, 0x0006) },
1050         /* Sweex */
1051         { USB_DEVICE(0x177f, 0x0302) },
1052         /* U-Media */
1053         { USB_DEVICE(0x157e, 0x300e) },
1054         { USB_DEVICE(0x157e, 0x3013) },
1055         /* ZCOM */
1056         { USB_DEVICE(0x0cde, 0x0022) },
1057         { USB_DEVICE(0x0cde, 0x0025) },
1058         /* Zinwell */
1059         { USB_DEVICE(0x5a57, 0x0280) },
1060         { USB_DEVICE(0x5a57, 0x0282) },
1061         { USB_DEVICE(0x5a57, 0x0283) },
1062         { USB_DEVICE(0x5a57, 0x5257) },
1063         /* Zyxel */
1064         { USB_DEVICE(0x0586, 0x3416) },
1065         { USB_DEVICE(0x0586, 0x3418) },
1066         { USB_DEVICE(0x0586, 0x341e) },
1067         { USB_DEVICE(0x0586, 0x343e) },
1068 #ifdef CONFIG_RT2800USB_RT33XX
1069         /* Belkin */
1070         { USB_DEVICE(0x050d, 0x945b) },
1071         /* Ralink */
1072         { USB_DEVICE(0x148f, 0x3370) },
1073         { USB_DEVICE(0x148f, 0x8070) },
1074         /* Sitecom */
1075         { USB_DEVICE(0x0df6, 0x0050) },
1076 #endif
1077 #ifdef CONFIG_RT2800USB_RT35XX
1078         /* Allwin */
1079         { USB_DEVICE(0x8516, 0x3572) },
1080         /* Askey */
1081         { USB_DEVICE(0x1690, 0x0744) },
1082         /* Cisco */
1083         { USB_DEVICE(0x167b, 0x4001) },
1084         /* EnGenius */
1085         { USB_DEVICE(0x1740, 0x9801) },
1086         /* I-O DATA */
1087         { USB_DEVICE(0x04bb, 0x0944) },
1088         /* Linksys */
1089         { USB_DEVICE(0x13b1, 0x002f) },
1090         { USB_DEVICE(0x1737, 0x0079) },
1091         /* Ralink */
1092         { USB_DEVICE(0x148f, 0x3572) },
1093         /* Sitecom */
1094         { USB_DEVICE(0x0df6, 0x0041) },
1095         { USB_DEVICE(0x0df6, 0x0062) },
1096         /* Toshiba */
1097         { USB_DEVICE(0x0930, 0x0a07) },
1098         /* Zinwell */
1099         { USB_DEVICE(0x5a57, 0x0284) },
1100 #endif
1101 #ifdef CONFIG_RT2800USB_RT53XX
1102         /* Azurewave */
1103         { USB_DEVICE(0x13d3, 0x3329) },
1104         { USB_DEVICE(0x13d3, 0x3365) },
1105         /* Ralink */
1106         { USB_DEVICE(0x148f, 0x5370) },
1107         { USB_DEVICE(0x148f, 0x5372) },
1108 #endif
1109 #ifdef CONFIG_RT2800USB_UNKNOWN
1110         /*
1111          * Unclear what kind of devices these are (they aren't supported by the
1112          * vendor linux driver).
1113          */
1114         /* Abocom */
1115         { USB_DEVICE(0x07b8, 0x3073) },
1116         { USB_DEVICE(0x07b8, 0x3074) },
1117         /* Alpha Networks */
1118         { USB_DEVICE(0x14b2, 0x3c08) },
1119         { USB_DEVICE(0x14b2, 0x3c11) },
1120         /* Amigo */
1121         { USB_DEVICE(0x0e0b, 0x9031) },
1122         { USB_DEVICE(0x0e0b, 0x9041) },
1123         /* ASUS */
1124         { USB_DEVICE(0x0b05, 0x166a) },
1125         { USB_DEVICE(0x0b05, 0x1760) },
1126         { USB_DEVICE(0x0b05, 0x1761) },
1127         { USB_DEVICE(0x0b05, 0x1790) },
1128         { USB_DEVICE(0x0b05, 0x179d) },
1129         /* AzureWave */
1130         { USB_DEVICE(0x13d3, 0x3262) },
1131         { USB_DEVICE(0x13d3, 0x3284) },
1132         { USB_DEVICE(0x13d3, 0x3322) },
1133         /* Belkin */
1134         { USB_DEVICE(0x050d, 0x1003) },
1135         { USB_DEVICE(0x050d, 0x825a) },
1136         /* Buffalo */
1137         { USB_DEVICE(0x0411, 0x012e) },
1138         { USB_DEVICE(0x0411, 0x0148) },
1139         { USB_DEVICE(0x0411, 0x0150) },
1140         { USB_DEVICE(0x0411, 0x015d) },
1141         /* Corega */
1142         { USB_DEVICE(0x07aa, 0x0041) },
1143         { USB_DEVICE(0x07aa, 0x0042) },
1144         { USB_DEVICE(0x18c5, 0x0008) },
1145         /* D-Link */
1146         { USB_DEVICE(0x07d1, 0x3c0b) },
1147         { USB_DEVICE(0x07d1, 0x3c13) },
1148         { USB_DEVICE(0x07d1, 0x3c15) },
1149         { USB_DEVICE(0x07d1, 0x3c17) },
1150         { USB_DEVICE(0x2001, 0x3c17) },
1151         /* Edimax */
1152         { USB_DEVICE(0x7392, 0x4085) },
1153         { USB_DEVICE(0x7392, 0x7722) },
1154         /* Encore */
1155         { USB_DEVICE(0x203d, 0x14a1) },
1156         /* Gemtek */
1157         { USB_DEVICE(0x15a9, 0x0010) },
1158         /* Gigabyte */
1159         { USB_DEVICE(0x1044, 0x800c) },
1160         /* Huawei */
1161         { USB_DEVICE(0x148f, 0xf101) },
1162         /* I-O DATA */
1163         { USB_DEVICE(0x04bb, 0x094b) },
1164         /* LevelOne */
1165         { USB_DEVICE(0x1740, 0x0605) },
1166         { USB_DEVICE(0x1740, 0x0615) },
1167         /* Linksys */
1168         { USB_DEVICE(0x1737, 0x0077) },
1169         { USB_DEVICE(0x1737, 0x0078) },
1170         /* Logitec */
1171         { USB_DEVICE(0x0789, 0x0168) },
1172         { USB_DEVICE(0x0789, 0x0169) },
1173         /* Motorola */
1174         { USB_DEVICE(0x100d, 0x9032) },
1175         /* Ovislink */
1176         { USB_DEVICE(0x1b75, 0x3071) },
1177         { USB_DEVICE(0x1b75, 0x3072) },
1178         /* Pegatron */
1179         { USB_DEVICE(0x05a6, 0x0101) },
1180         { USB_DEVICE(0x1d4d, 0x0002) },
1181         { USB_DEVICE(0x1d4d, 0x0010) },
1182         /* Planex */
1183         { USB_DEVICE(0x2019, 0x5201) },
1184         { USB_DEVICE(0x2019, 0xab24) },
1185         /* Qcom */
1186         { USB_DEVICE(0x18e8, 0x6259) },
1187         /* RadioShack */
1188         { USB_DEVICE(0x08b9, 0x1197) },
1189         /* Sitecom */
1190         { USB_DEVICE(0x0df6, 0x003c) },
1191         { USB_DEVICE(0x0df6, 0x004a) },
1192         { USB_DEVICE(0x0df6, 0x004d) },
1193         { USB_DEVICE(0x0df6, 0x0053) },
1194         /* SMC */
1195         { USB_DEVICE(0x083a, 0xa512) },
1196         { USB_DEVICE(0x083a, 0xc522) },
1197         { USB_DEVICE(0x083a, 0xd522) },
1198         { USB_DEVICE(0x083a, 0xf511) },
1199         /* Sweex */
1200         { USB_DEVICE(0x177f, 0x0153) },
1201         { USB_DEVICE(0x177f, 0x0313) },
1202         /* Zyxel */
1203         { USB_DEVICE(0x0586, 0x341a) },
1204 #endif
1205         { 0, }
1206 };
1207
1208 MODULE_AUTHOR(DRV_PROJECT);
1209 MODULE_VERSION(DRV_VERSION);
1210 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1211 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1212 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1213 MODULE_FIRMWARE(FIRMWARE_RT2870);
1214 MODULE_LICENSE("GPL");
1215
1216 static int rt2800usb_probe(struct usb_interface *usb_intf,
1217                            const struct usb_device_id *id)
1218 {
1219         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1220 }
1221
1222 static struct usb_driver rt2800usb_driver = {
1223         .name           = KBUILD_MODNAME,
1224         .id_table       = rt2800usb_device_table,
1225         .probe          = rt2800usb_probe,
1226         .disconnect     = rt2x00usb_disconnect,
1227         .suspend        = rt2x00usb_suspend,
1228         .resume         = rt2x00usb_resume,
1229 };
1230
1231 static int __init rt2800usb_init(void)
1232 {
1233         return usb_register(&rt2800usb_driver);
1234 }
1235
1236 static void __exit rt2800usb_exit(void)
1237 {
1238         usb_deregister(&rt2800usb_driver);
1239 }
1240
1241 module_init(rt2800usb_init);
1242 module_exit(rt2800usb_exit);