Version:  2.6.34 2.6.35 2.6.36 2.6.37 2.6.38 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14

Linux/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, see <http://www.gnu.org/licenses/>.
 22  */
 23 
 24 /*
 25         Module: rt2800usb
 26         Abstract: rt2800usb device specific routines.
 27         Supported chipsets: RT2800U.
 28  */
 29 
 30 #include <linux/delay.h>
 31 #include <linux/etherdevice.h>
 32 #include <linux/kernel.h>
 33 #include <linux/module.h>
 34 #include <linux/usb.h>
 35 
 36 #include "rt2x00.h"
 37 #include "rt2x00usb.h"
 38 #include "rt2800lib.h"
 39 #include "rt2800.h"
 40 #include "rt2800usb.h"
 41 
 42 /*
 43  * Allow hardware encryption to be disabled.
 44  */
 45 static bool modparam_nohwcrypt;
 46 module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
 47 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 48 
 49 static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
 50 {
 51         return modparam_nohwcrypt;
 52 }
 53 
 54 /*
 55  * Queue handlers.
 56  */
 57 static void rt2800usb_start_queue(struct data_queue *queue)
 58 {
 59         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 60         u32 reg;
 61 
 62         switch (queue->qid) {
 63         case QID_RX:
 64                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 65                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
 66                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 67                 break;
 68         case QID_BEACON:
 69                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 70                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 71                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
 72                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
 73                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 74                 break;
 75         default:
 76                 break;
 77         }
 78 }
 79 
 80 static void rt2800usb_stop_queue(struct data_queue *queue)
 81 {
 82         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 83         u32 reg;
 84 
 85         switch (queue->qid) {
 86         case QID_RX:
 87                 rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 88                 rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
 89                 rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 90                 break;
 91         case QID_BEACON:
 92                 rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 93                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
 94                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
 95                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
 96                 rt2x00usb_register_write(rt2x00dev, BCN_TIME_CFG, reg);
 97                 break;
 98         default:
 99                 break;
100         }
101 }
102 
103 /*
104  * test if there is an entry in any TX queue for which DMA is done
105  * but the TX status has not been returned yet
106  */
107 static bool rt2800usb_txstatus_pending(struct rt2x00_dev *rt2x00dev)
108 {
109         struct data_queue *queue;
110 
111         tx_queue_for_each(rt2x00dev, queue) {
112                 if (rt2x00queue_get_entry(queue, Q_INDEX_DMA_DONE) !=
113                     rt2x00queue_get_entry(queue, Q_INDEX_DONE))
114                         return true;
115         }
116         return false;
117 }
118 
119 static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
120 {
121         bool tout;
122 
123         if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
124                 return false;
125 
126         tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
127         if (unlikely(tout))
128                 rt2x00_warn(entry->queue->rt2x00dev,
129                             "TX status timeout for entry %d in queue %d\n",
130                             entry->entry_idx, entry->queue->qid);
131         return tout;
132 
133 }
134 
135 static bool rt2800usb_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
136 {
137         struct data_queue *queue;
138         struct queue_entry *entry;
139 
140         tx_queue_for_each(rt2x00dev, queue) {
141                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
142                 if (rt2800usb_entry_txstatus_timeout(entry))
143                         return true;
144         }
145         return false;
146 }
147 
148 #define TXSTATUS_READ_INTERVAL 1000000
149 
150 static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
151                                                  int urb_status, u32 tx_status)
152 {
153         bool valid;
154 
155         if (urb_status) {
156                 rt2x00_warn(rt2x00dev, "TX status read failed %d\n",
157                             urb_status);
158 
159                 goto stop_reading;
160         }
161 
162         valid = rt2x00_get_field32(tx_status, TX_STA_FIFO_VALID);
163         if (valid) {
164                 if (!kfifo_put(&rt2x00dev->txstatus_fifo, tx_status))
165                         rt2x00_warn(rt2x00dev, "TX status FIFO overrun\n");
166 
167                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
168 
169                 /* Reschedule urb to read TX status again instantly */
170                 return true;
171         }
172 
173         /* Check if there is any entry that timedout waiting on TX status */
174         if (rt2800usb_txstatus_timeout(rt2x00dev))
175                 queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
176 
177         if (rt2800usb_txstatus_pending(rt2x00dev)) {
178                 /* Read register after 1 ms */
179                 hrtimer_start(&rt2x00dev->txstatus_timer,
180                               ktime_set(0, TXSTATUS_READ_INTERVAL),
181                               HRTIMER_MODE_REL);
182                 return false;
183         }
184 
185 stop_reading:
186         clear_bit(TX_STATUS_READING, &rt2x00dev->flags);
187         /*
188          * There is small race window above, between txstatus pending check and
189          * clear_bit someone could do rt2x00usb_interrupt_txdone, so recheck
190          * here again if status reading is needed.
191          */
192         if (rt2800usb_txstatus_pending(rt2x00dev) &&
193             !test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
194                 return true;
195         else
196                 return false;
197 }
198 
199 static void rt2800usb_async_read_tx_status(struct rt2x00_dev *rt2x00dev)
200 {
201 
202         if (test_and_set_bit(TX_STATUS_READING, &rt2x00dev->flags))
203                 return;
204 
205         /* Read TX_STA_FIFO register after 2 ms */
206         hrtimer_start(&rt2x00dev->txstatus_timer,
207                       ktime_set(0, 2*TXSTATUS_READ_INTERVAL),
208                       HRTIMER_MODE_REL);
209 }
210 
211 static void rt2800usb_tx_dma_done(struct queue_entry *entry)
212 {
213         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
214 
215         rt2800usb_async_read_tx_status(rt2x00dev);
216 }
217 
218 static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer)
219 {
220         struct rt2x00_dev *rt2x00dev =
221             container_of(timer, struct rt2x00_dev, txstatus_timer);
222 
223         rt2x00usb_register_read_async(rt2x00dev, TX_STA_FIFO,
224                                       rt2800usb_tx_sta_fifo_read_completed);
225 
226         return HRTIMER_NORESTART;
227 }
228 
229 /*
230  * Firmware functions
231  */
232 static char *rt2800usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
233 {
234         return FIRMWARE_RT2870;
235 }
236 
237 static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
238                                     const u8 *data, const size_t len)
239 {
240         int status;
241         u32 offset;
242         u32 length;
243 
244         /*
245          * Check which section of the firmware we need.
246          */
247         if (rt2x00_rt(rt2x00dev, RT2860) ||
248             rt2x00_rt(rt2x00dev, RT2872) ||
249             rt2x00_rt(rt2x00dev, RT3070)) {
250                 offset = 0;
251                 length = 4096;
252         } else {
253                 offset = 4096;
254                 length = 4096;
255         }
256 
257         /*
258          * Write firmware to device.
259          */
260         rt2x00usb_register_multiwrite(rt2x00dev, FIRMWARE_IMAGE_BASE,
261                                       data + offset, length);
262 
263         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
264         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0);
265 
266         /*
267          * Send firmware request to device to load firmware,
268          * we need to specify a long timeout time.
269          */
270         status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
271                                              0, USB_MODE_FIRMWARE,
272                                              REGISTER_TIMEOUT_FIRMWARE);
273         if (status < 0) {
274                 rt2x00_err(rt2x00dev, "Failed to write Firmware to device\n");
275                 return status;
276         }
277 
278         msleep(10);
279         rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
280 
281         return 0;
282 }
283 
284 /*
285  * Device state switch handlers.
286  */
287 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
288 {
289         u32 reg;
290 
291         /*
292          * Wait until BBP and RF are ready.
293          */
294         if (rt2800_wait_csr_ready(rt2x00dev))
295                 return -EBUSY;
296 
297         rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
298         rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
299 
300         reg = 0;
301         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
302         rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
303         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
304 
305         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, 0x00000000);
306 
307         rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
308                                     USB_MODE_RESET, REGISTER_TIMEOUT);
309 
310         rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
311 
312         return 0;
313 }
314 
315 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
316 {
317         u32 reg;
318 
319         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
320                 return -EIO;
321 
322         rt2x00usb_register_read(rt2x00dev, USB_DMA_CFG, &reg);
323         rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
324         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
325         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128);
326         /*
327          * Total room for RX frames in kilobytes, PBF might still exceed
328          * this limit so reduce the number to prevent errors.
329          */
330         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_LIMIT,
331                            ((rt2x00dev->rx->limit * DATA_FRAME_SIZE)
332                             / 1024) - 3);
333         rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_EN, 1);
334         rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
335         rt2x00usb_register_write(rt2x00dev, USB_DMA_CFG, reg);
336 
337         return rt2800_enable_radio(rt2x00dev);
338 }
339 
340 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
341 {
342         rt2800_disable_radio(rt2x00dev);
343         rt2x00usb_disable_radio(rt2x00dev);
344 }
345 
346 static int rt2800usb_set_state(struct rt2x00_dev *rt2x00dev,
347                                enum dev_state state)
348 {
349         if (state == STATE_AWAKE)
350                 rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, 0xff, 0, 2);
351         else
352                 rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
353 
354         return 0;
355 }
356 
357 static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
358                                       enum dev_state state)
359 {
360         int retval = 0;
361 
362         switch (state) {
363         case STATE_RADIO_ON:
364                 /*
365                  * Before the radio can be enabled, the device first has
366                  * to be woken up. After that it needs a bit of time
367                  * to be fully awake and then the radio can be enabled.
368                  */
369                 rt2800usb_set_state(rt2x00dev, STATE_AWAKE);
370                 msleep(1);
371                 retval = rt2800usb_enable_radio(rt2x00dev);
372                 break;
373         case STATE_RADIO_OFF:
374                 /*
375                  * After the radio has been disabled, the device should
376                  * be put to sleep for powersaving.
377                  */
378                 rt2800usb_disable_radio(rt2x00dev);
379                 rt2800usb_set_state(rt2x00dev, STATE_SLEEP);
380                 break;
381         case STATE_RADIO_IRQ_ON:
382         case STATE_RADIO_IRQ_OFF:
383                 /* No support, but no error either */
384                 break;
385         case STATE_DEEP_SLEEP:
386         case STATE_SLEEP:
387         case STATE_STANDBY:
388         case STATE_AWAKE:
389                 retval = rt2800usb_set_state(rt2x00dev, state);
390                 break;
391         default:
392                 retval = -ENOTSUPP;
393                 break;
394         }
395 
396         if (unlikely(retval))
397                 rt2x00_err(rt2x00dev, "Device failed to enter state %d (%d)\n",
398                            state, retval);
399 
400         return retval;
401 }
402 
403 /*
404  * Watchdog handlers
405  */
406 static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
407 {
408         unsigned int i;
409         u32 reg;
410 
411         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
412         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
413                 rt2x00_warn(rt2x00dev, "TX HW queue 0 timed out, invoke forced kick\n");
414 
415                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
416 
417                 for (i = 0; i < 10; i++) {
418                         udelay(10);
419                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
420                                 break;
421                 }
422 
423                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
424         }
425 
426         rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
427         if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
428                 rt2x00_warn(rt2x00dev, "TX HW queue 1 timed out, invoke forced kick\n");
429 
430                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
431 
432                 for (i = 0; i < 10; i++) {
433                         udelay(10);
434                         if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
435                                 break;
436                 }
437 
438                 rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
439         }
440 
441         rt2x00usb_watchdog(rt2x00dev);
442 }
443 
444 /*
445  * TX descriptor initialization
446  */
447 static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
448 {
449         if (entry->queue->qid == QID_BEACON)
450                 return (__le32 *) (entry->skb->data);
451         else
452                 return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
453 }
454 
455 static void rt2800usb_write_tx_desc(struct queue_entry *entry,
456                                     struct txentry_desc *txdesc)
457 {
458         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
459         __le32 *txi = (__le32 *) entry->skb->data;
460         u32 word;
461 
462         /*
463          * Initialize TXINFO descriptor
464          */
465         rt2x00_desc_read(txi, 0, &word);
466 
467         /*
468          * The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
469          * TXWI + 802.11 header + L2 pad + payload + pad,
470          * so need to decrease size of TXINFO.
471          */
472         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
473                            roundup(entry->skb->len, 4) - TXINFO_DESC_SIZE);
474         rt2x00_set_field32(&word, TXINFO_W0_WIV,
475                            !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
476         rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
477         rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);
478         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_NEXT_VALID, 0);
479         rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST,
480                            test_bit(ENTRY_TXD_BURST, &txdesc->flags));
481         rt2x00_desc_write(txi, 0, word);
482 
483         /*
484          * Register descriptor details in skb frame descriptor.
485          */
486         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
487         skbdesc->desc = txi;
488         skbdesc->desc_len = TXINFO_DESC_SIZE + entry->queue->winfo_size;
489 }
490 
491 /*
492  * TX data initialization
493  */
494 static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
495 {
496         /*
497          * pad(1~3 bytes) is needed after each 802.11 payload.
498          * USB end pad(4 bytes) is needed at each USB bulk out packet end.
499          * TX frame format is :
500          * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad |
501          *                 |<------------- tx_pkt_len ------------->|
502          */
503 
504         return roundup(entry->skb->len, 4) + 4;
505 }
506 
507 /*
508  * TX control handlers
509  */
510 static enum txdone_entry_desc_flags
511 rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
512 {
513         __le32 *txwi;
514         u32 word;
515         int wcid, ack, pid;
516         int tx_wcid, tx_ack, tx_pid, is_agg;
517 
518         /*
519          * This frames has returned with an IO error,
520          * so the status report is not intended for this
521          * frame.
522          */
523         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
524                 return TXDONE_FAILURE;
525 
526         wcid    = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
527         ack     = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
528         pid     = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
529         is_agg  = rt2x00_get_field32(reg, TX_STA_FIFO_TX_AGGRE);
530 
531         /*
532          * Validate if this TX status report is intended for
533          * this entry by comparing the WCID/ACK/PID fields.
534          */
535         txwi = rt2800usb_get_txwi(entry);
536 
537         rt2x00_desc_read(txwi, 1, &word);
538         tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
539         tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
540         tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
541 
542         if (wcid != tx_wcid || ack != tx_ack || (!is_agg && pid != tx_pid)) {
543                 rt2x00_dbg(entry->queue->rt2x00dev,
544                            "TX status report missed for queue %d entry %d\n",
545                            entry->queue->qid, entry->entry_idx);
546                 return TXDONE_UNKNOWN;
547         }
548 
549         return TXDONE_SUCCESS;
550 }
551 
552 static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
553 {
554         struct data_queue *queue;
555         struct queue_entry *entry;
556         u32 reg;
557         u8 qid;
558         enum txdone_entry_desc_flags done_status;
559 
560         while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
561                 /*
562                  * TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus qid is
563                  * guaranteed to be one of the TX QIDs .
564                  */
565                 qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
566                 queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
567 
568                 if (unlikely(rt2x00queue_empty(queue))) {
569                         rt2x00_warn(rt2x00dev, "Got TX status for an empty queue %u, dropping\n",
570                                     qid);
571                         break;
572                 }
573 
574                 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
575 
576                 if (unlikely(test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
577                              !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))) {
578                         rt2x00_warn(rt2x00dev, "Data pending for entry %u in queue %u\n",
579                                     entry->entry_idx, qid);
580                         break;
581                 }
582 
583                 done_status = rt2800usb_txdone_entry_check(entry, reg);
584                 if (likely(done_status == TXDONE_SUCCESS))
585                         rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
586                 else
587                         rt2x00lib_txdone_noinfo(entry, done_status);
588         }
589 }
590 
591 static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
592 {
593         struct data_queue *queue;
594         struct queue_entry *entry;
595 
596         /*
597          * Process any trailing TX status reports for IO failures,
598          * we loop until we find the first non-IO error entry. This
599          * can either be a frame which is free, is being uploaded,
600          * or has completed the upload but didn't have an entry
601          * in the TX_STAT_FIFO register yet.
602          */
603         tx_queue_for_each(rt2x00dev, queue) {
604                 while (!rt2x00queue_empty(queue)) {
605                         entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
606 
607                         if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
608                             !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
609                                 break;
610 
611                         if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
612                                 rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
613                         else if (rt2800usb_entry_txstatus_timeout(entry))
614                                 rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
615                         else
616                                 break;
617                 }
618         }
619 }
620 
621 static void rt2800usb_work_txdone(struct work_struct *work)
622 {
623         struct rt2x00_dev *rt2x00dev =
624             container_of(work, struct rt2x00_dev, txdone_work);
625 
626         while (!kfifo_is_empty(&rt2x00dev->txstatus_fifo) ||
627                rt2800usb_txstatus_timeout(rt2x00dev)) {
628 
629                 rt2800usb_txdone(rt2x00dev);
630 
631                 rt2800usb_txdone_nostatus(rt2x00dev);
632 
633                 /*
634                  * The hw may delay sending the packet after DMA complete
635                  * if the medium is busy, thus the TX_STA_FIFO entry is
636                  * also delayed -> use a timer to retrieve it.
637                  */
638                 if (rt2800usb_txstatus_pending(rt2x00dev))
639                         rt2800usb_async_read_tx_status(rt2x00dev);
640         }
641 }
642 
643 /*
644  * RX control handlers
645  */
646 static void rt2800usb_fill_rxdone(struct queue_entry *entry,
647                                   struct rxdone_entry_desc *rxdesc)
648 {
649         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
650         __le32 *rxi = (__le32 *)entry->skb->data;
651         __le32 *rxd;
652         u32 word;
653         int rx_pkt_len;
654 
655         /*
656          * Copy descriptor to the skbdesc->desc buffer, making it safe from
657          * moving of frame data in rt2x00usb.
658          */
659         memcpy(skbdesc->desc, rxi, skbdesc->desc_len);
660 
661         /*
662          * RX frame format is :
663          * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
664          *          |<------------ rx_pkt_len -------------->|
665          */
666         rt2x00_desc_read(rxi, 0, &word);
667         rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
668 
669         /*
670          * Remove the RXINFO structure from the sbk.
671          */
672         skb_pull(entry->skb, RXINFO_DESC_SIZE);
673 
674         /*
675          * Check for rx_pkt_len validity. Return if invalid, leaving
676          * rxdesc->size zeroed out by the upper level.
677          */
678         if (unlikely(rx_pkt_len == 0 ||
679                         rx_pkt_len > entry->queue->data_size)) {
680                 rt2x00_err(entry->queue->rt2x00dev,
681                            "Bad frame size %d, forcing to 0\n", rx_pkt_len);
682                 return;
683         }
684 
685         rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
686 
687         /*
688          * It is now safe to read the descriptor on all architectures.
689          */
690         rt2x00_desc_read(rxd, 0, &word);
691 
692         if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
693                 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
694 
695         rxdesc->cipher_status = rt2x00_get_field32(word, RXD_W0_CIPHER_ERROR);
696 
697         if (rt2x00_get_field32(word, RXD_W0_DECRYPTED)) {
698                 /*
699                  * Hardware has stripped IV/EIV data from 802.11 frame during
700                  * decryption. Unfortunately the descriptor doesn't contain
701                  * any fields with the EIV/IV data either, so they can't
702                  * be restored by rt2x00lib.
703                  */
704                 rxdesc->flags |= RX_FLAG_IV_STRIPPED;
705 
706                 /*
707                  * The hardware has already checked the Michael Mic and has
708                  * stripped it from the frame. Signal this to mac80211.
709                  */
710                 rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
711 
712                 if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
713                         rxdesc->flags |= RX_FLAG_DECRYPTED;
714                 else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
715                         rxdesc->flags |= RX_FLAG_MMIC_ERROR;
716         }
717 
718         if (rt2x00_get_field32(word, RXD_W0_MY_BSS))
719                 rxdesc->dev_flags |= RXDONE_MY_BSS;
720 
721         if (rt2x00_get_field32(word, RXD_W0_L2PAD))
722                 rxdesc->dev_flags |= RXDONE_L2PAD;
723 
724         /*
725          * Remove RXD descriptor from end of buffer.
726          */
727         skb_trim(entry->skb, rx_pkt_len);
728 
729         /*
730          * Process the RXWI structure.
731          */
732         rt2800_process_rxwi(entry, rxdesc);
733 }
734 
735 /*
736  * Device probe functions.
737  */
738 static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
739 {
740         int retval;
741 
742         if (rt2800_efuse_detect(rt2x00dev))
743                 retval = rt2800_read_eeprom_efuse(rt2x00dev);
744         else
745                 retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
746                                                EEPROM_SIZE);
747 
748         return retval;
749 }
750 
751 static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
752 {
753         int retval;
754 
755         retval = rt2800_probe_hw(rt2x00dev);
756         if (retval)
757                 return retval;
758 
759         /*
760          * Set txstatus timer function.
761          */
762         rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
763 
764         /*
765          * Overwrite TX done handler
766          */
767         PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
768 
769         return 0;
770 }
771 
772 static const struct ieee80211_ops rt2800usb_mac80211_ops = {
773         .tx                     = rt2x00mac_tx,
774         .start                  = rt2x00mac_start,
775         .stop                   = rt2x00mac_stop,
776         .add_interface          = rt2x00mac_add_interface,
777         .remove_interface       = rt2x00mac_remove_interface,
778         .config                 = rt2x00mac_config,
779         .configure_filter       = rt2x00mac_configure_filter,
780         .set_tim                = rt2x00mac_set_tim,
781         .set_key                = rt2x00mac_set_key,
782         .sw_scan_start          = rt2x00mac_sw_scan_start,
783         .sw_scan_complete       = rt2x00mac_sw_scan_complete,
784         .get_stats              = rt2x00mac_get_stats,
785         .get_tkip_seq           = rt2800_get_tkip_seq,
786         .set_rts_threshold      = rt2800_set_rts_threshold,
787         .sta_add                = rt2x00mac_sta_add,
788         .sta_remove             = rt2x00mac_sta_remove,
789         .bss_info_changed       = rt2x00mac_bss_info_changed,
790         .conf_tx                = rt2800_conf_tx,
791         .get_tsf                = rt2800_get_tsf,
792         .rfkill_poll            = rt2x00mac_rfkill_poll,
793         .ampdu_action           = rt2800_ampdu_action,
794         .flush                  = rt2x00mac_flush,
795         .get_survey             = rt2800_get_survey,
796         .get_ringparam          = rt2x00mac_get_ringparam,
797         .tx_frames_pending      = rt2x00mac_tx_frames_pending,
798 };
799 
800 static const struct rt2800_ops rt2800usb_rt2800_ops = {
801         .register_read          = rt2x00usb_register_read,
802         .register_read_lock     = rt2x00usb_register_read_lock,
803         .register_write         = rt2x00usb_register_write,
804         .register_write_lock    = rt2x00usb_register_write_lock,
805         .register_multiread     = rt2x00usb_register_multiread,
806         .register_multiwrite    = rt2x00usb_register_multiwrite,
807         .regbusy_read           = rt2x00usb_regbusy_read,
808         .read_eeprom            = rt2800usb_read_eeprom,
809         .hwcrypt_disabled       = rt2800usb_hwcrypt_disabled,
810         .drv_write_firmware     = rt2800usb_write_firmware,
811         .drv_init_registers     = rt2800usb_init_registers,
812         .drv_get_txwi           = rt2800usb_get_txwi,
813 };
814 
815 static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
816         .probe_hw               = rt2800usb_probe_hw,
817         .get_firmware_name      = rt2800usb_get_firmware_name,
818         .check_firmware         = rt2800_check_firmware,
819         .load_firmware          = rt2800_load_firmware,
820         .initialize             = rt2x00usb_initialize,
821         .uninitialize           = rt2x00usb_uninitialize,
822         .clear_entry            = rt2x00usb_clear_entry,
823         .set_device_state       = rt2800usb_set_device_state,
824         .rfkill_poll            = rt2800_rfkill_poll,
825         .link_stats             = rt2800_link_stats,
826         .reset_tuner            = rt2800_reset_tuner,
827         .link_tuner             = rt2800_link_tuner,
828         .gain_calibration       = rt2800_gain_calibration,
829         .vco_calibration        = rt2800_vco_calibration,
830         .watchdog               = rt2800usb_watchdog,
831         .start_queue            = rt2800usb_start_queue,
832         .kick_queue             = rt2x00usb_kick_queue,
833         .stop_queue             = rt2800usb_stop_queue,
834         .flush_queue            = rt2x00usb_flush_queue,
835         .tx_dma_done            = rt2800usb_tx_dma_done,
836         .write_tx_desc          = rt2800usb_write_tx_desc,
837         .write_tx_data          = rt2800_write_tx_data,
838         .write_beacon           = rt2800_write_beacon,
839         .clear_beacon           = rt2800_clear_beacon,
840         .get_tx_data_len        = rt2800usb_get_tx_data_len,
841         .fill_rxdone            = rt2800usb_fill_rxdone,
842         .config_shared_key      = rt2800_config_shared_key,
843         .config_pairwise_key    = rt2800_config_pairwise_key,
844         .config_filter          = rt2800_config_filter,
845         .config_intf            = rt2800_config_intf,
846         .config_erp             = rt2800_config_erp,
847         .config_ant             = rt2800_config_ant,
848         .config                 = rt2800_config,
849         .sta_add                = rt2800_sta_add,
850         .sta_remove             = rt2800_sta_remove,
851 };
852 
853 static void rt2800usb_queue_init(struct data_queue *queue)
854 {
855         struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
856         unsigned short txwi_size, rxwi_size;
857 
858         rt2800_get_txwi_rxwi_size(rt2x00dev, &txwi_size, &rxwi_size);
859 
860         switch (queue->qid) {
861         case QID_RX:
862                 queue->limit = 128;
863                 queue->data_size = AGGREGATION_SIZE;
864                 queue->desc_size = RXINFO_DESC_SIZE;
865                 queue->winfo_size = rxwi_size;
866                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
867                 break;
868 
869         case QID_AC_VO:
870         case QID_AC_VI:
871         case QID_AC_BE:
872         case QID_AC_BK:
873                 queue->limit = 16;
874                 queue->data_size = AGGREGATION_SIZE;
875                 queue->desc_size = TXINFO_DESC_SIZE;
876                 queue->winfo_size = txwi_size;
877                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
878                 break;
879 
880         case QID_BEACON:
881                 queue->limit = 8;
882                 queue->data_size = MGMT_FRAME_SIZE;
883                 queue->desc_size = TXINFO_DESC_SIZE;
884                 queue->winfo_size = txwi_size;
885                 queue->priv_size = sizeof(struct queue_entry_priv_usb);
886                 break;
887 
888         case QID_ATIM:
889                 /* fallthrough */
890         default:
891                 BUG();
892                 break;
893         }
894 }
895 
896 static const struct rt2x00_ops rt2800usb_ops = {
897         .name                   = KBUILD_MODNAME,
898         .drv_data_size          = sizeof(struct rt2800_drv_data),
899         .max_ap_intf            = 8,
900         .eeprom_size            = EEPROM_SIZE,
901         .rf_size                = RF_SIZE,
902         .tx_queues              = NUM_TX_QUEUES,
903         .queue_init             = rt2800usb_queue_init,
904         .lib                    = &rt2800usb_rt2x00_ops,
905         .drv                    = &rt2800usb_rt2800_ops,
906         .hw                     = &rt2800usb_mac80211_ops,
907 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
908         .debugfs                = &rt2800_rt2x00debug,
909 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
910 };
911 
912 /*
913  * rt2800usb module information.
914  */
915 static struct usb_device_id rt2800usb_device_table[] = {
916         /* Abocom */
917         { USB_DEVICE(0x07b8, 0x2870) },
918         { USB_DEVICE(0x07b8, 0x2770) },
919         { USB_DEVICE(0x07b8, 0x3070) },
920         { USB_DEVICE(0x07b8, 0x3071) },
921         { USB_DEVICE(0x07b8, 0x3072) },
922         { USB_DEVICE(0x1482, 0x3c09) },
923         /* AirTies */
924         { USB_DEVICE(0x1eda, 0x2012) },
925         { USB_DEVICE(0x1eda, 0x2210) },
926         { USB_DEVICE(0x1eda, 0x2310) },
927         /* Allwin */
928         { USB_DEVICE(0x8516, 0x2070) },
929         { USB_DEVICE(0x8516, 0x2770) },
930         { USB_DEVICE(0x8516, 0x2870) },
931         { USB_DEVICE(0x8516, 0x3070) },
932         { USB_DEVICE(0x8516, 0x3071) },
933         { USB_DEVICE(0x8516, 0x3072) },
934         /* Alpha Networks */
935         { USB_DEVICE(0x14b2, 0x3c06) },
936         { USB_DEVICE(0x14b2, 0x3c07) },
937         { USB_DEVICE(0x14b2, 0x3c09) },
938         { USB_DEVICE(0x14b2, 0x3c12) },
939         { USB_DEVICE(0x14b2, 0x3c23) },
940         { USB_DEVICE(0x14b2, 0x3c25) },
941         { USB_DEVICE(0x14b2, 0x3c27) },
942         { USB_DEVICE(0x14b2, 0x3c28) },
943         { USB_DEVICE(0x14b2, 0x3c2c) },
944         /* Amit */
945         { USB_DEVICE(0x15c5, 0x0008) },
946         /* Askey */
947         { USB_DEVICE(0x1690, 0x0740) },
948         /* ASUS */
949         { USB_DEVICE(0x0b05, 0x1731) },
950         { USB_DEVICE(0x0b05, 0x1732) },
951         { USB_DEVICE(0x0b05, 0x1742) },
952         { USB_DEVICE(0x0b05, 0x1784) },
953         { USB_DEVICE(0x1761, 0x0b05) },
954         /* AzureWave */
955         { USB_DEVICE(0x13d3, 0x3247) },
956         { USB_DEVICE(0x13d3, 0x3273) },
957         { USB_DEVICE(0x13d3, 0x3305) },
958         { USB_DEVICE(0x13d3, 0x3307) },
959         { USB_DEVICE(0x13d3, 0x3321) },
960         /* Belkin */
961         { USB_DEVICE(0x050d, 0x8053) },
962         { USB_DEVICE(0x050d, 0x805c) },
963         { USB_DEVICE(0x050d, 0x815c) },
964         { USB_DEVICE(0x050d, 0x825a) },
965         { USB_DEVICE(0x050d, 0x825b) },
966         { USB_DEVICE(0x050d, 0x935a) },
967         { USB_DEVICE(0x050d, 0x935b) },
968         /* Buffalo */
969         { USB_DEVICE(0x0411, 0x00e8) },
970         { USB_DEVICE(0x0411, 0x0158) },
971         { USB_DEVICE(0x0411, 0x015d) },
972         { USB_DEVICE(0x0411, 0x016f) },
973         { USB_DEVICE(0x0411, 0x01a2) },
974         { USB_DEVICE(0x0411, 0x01ee) },
975         { USB_DEVICE(0x0411, 0x01a8) },
976         /* Corega */
977         { USB_DEVICE(0x07aa, 0x002f) },
978         { USB_DEVICE(0x07aa, 0x003c) },
979         { USB_DEVICE(0x07aa, 0x003f) },
980         { USB_DEVICE(0x18c5, 0x0012) },
981         /* D-Link */
982         { USB_DEVICE(0x07d1, 0x3c09) },
983         { USB_DEVICE(0x07d1, 0x3c0a) },
984         { USB_DEVICE(0x07d1, 0x3c0d) },
985         { USB_DEVICE(0x07d1, 0x3c0e) },
986         { USB_DEVICE(0x07d1, 0x3c0f) },
987         { USB_DEVICE(0x07d1, 0x3c11) },
988         { USB_DEVICE(0x07d1, 0x3c13) },
989         { USB_DEVICE(0x07d1, 0x3c15) },
990         { USB_DEVICE(0x07d1, 0x3c16) },
991         { USB_DEVICE(0x07d1, 0x3c17) },
992         { USB_DEVICE(0x2001, 0x3317) },
993         { USB_DEVICE(0x2001, 0x3c1b) },
994         /* Draytek */
995         { USB_DEVICE(0x07fa, 0x7712) },
996         /* DVICO */
997         { USB_DEVICE(0x0fe9, 0xb307) },
998         /* Edimax */
999         { USB_DEVICE(0x7392, 0x4085) },
1000         { USB_DEVICE(0x7392, 0x7711) },
1001         { USB_DEVICE(0x7392, 0x7717) },
1002         { USB_DEVICE(0x7392, 0x7718) },
1003         { USB_DEVICE(0x7392, 0x7722) },
1004         /* Encore */
1005         { USB_DEVICE(0x203d, 0x1480) },
1006         { USB_DEVICE(0x203d, 0x14a9) },
1007         /* EnGenius */
1008         { USB_DEVICE(0x1740, 0x9701) },
1009         { USB_DEVICE(0x1740, 0x9702) },
1010         { USB_DEVICE(0x1740, 0x9703) },
1011         { USB_DEVICE(0x1740, 0x9705) },
1012         { USB_DEVICE(0x1740, 0x9706) },
1013         { USB_DEVICE(0x1740, 0x9707) },
1014         { USB_DEVICE(0x1740, 0x9708) },
1015         { USB_DEVICE(0x1740, 0x9709) },
1016         /* Gemtek */
1017         { USB_DEVICE(0x15a9, 0x0012) },
1018         /* Gigabyte */
1019         { USB_DEVICE(0x1044, 0x800b) },
1020         { USB_DEVICE(0x1044, 0x800d) },
1021         /* Hawking */
1022         { USB_DEVICE(0x0e66, 0x0001) },
1023         { USB_DEVICE(0x0e66, 0x0003) },
1024         { USB_DEVICE(0x0e66, 0x0009) },
1025         { USB_DEVICE(0x0e66, 0x000b) },
1026         { USB_DEVICE(0x0e66, 0x0013) },
1027         { USB_DEVICE(0x0e66, 0x0017) },
1028         { USB_DEVICE(0x0e66, 0x0018) },
1029         /* I-O DATA */
1030         { USB_DEVICE(0x04bb, 0x0945) },
1031         { USB_DEVICE(0x04bb, 0x0947) },
1032         { USB_DEVICE(0x04bb, 0x0948) },
1033         /* Linksys */
1034         { USB_DEVICE(0x13b1, 0x0031) },
1035         { USB_DEVICE(0x1737, 0x0070) },
1036         { USB_DEVICE(0x1737, 0x0071) },
1037         { USB_DEVICE(0x1737, 0x0077) },
1038         { USB_DEVICE(0x1737, 0x0078) },
1039         /* Logitec */
1040         { USB_DEVICE(0x0789, 0x0162) },
1041         { USB_DEVICE(0x0789, 0x0163) },
1042         { USB_DEVICE(0x0789, 0x0164) },
1043         { USB_DEVICE(0x0789, 0x0166) },
1044         /* Motorola */
1045         { USB_DEVICE(0x100d, 0x9031) },
1046         /* MSI */
1047         { USB_DEVICE(0x0db0, 0x3820) },
1048         { USB_DEVICE(0x0db0, 0x3821) },
1049         { USB_DEVICE(0x0db0, 0x3822) },
1050         { USB_DEVICE(0x0db0, 0x3870) },
1051         { USB_DEVICE(0x0db0, 0x3871) },
1052         { USB_DEVICE(0x0db0, 0x6899) },
1053         { USB_DEVICE(0x0db0, 0x821a) },
1054         { USB_DEVICE(0x0db0, 0x822a) },
1055         { USB_DEVICE(0x0db0, 0x822b) },
1056         { USB_DEVICE(0x0db0, 0x822c) },
1057         { USB_DEVICE(0x0db0, 0x870a) },
1058         { USB_DEVICE(0x0db0, 0x871a) },
1059         { USB_DEVICE(0x0db0, 0x871b) },
1060         { USB_DEVICE(0x0db0, 0x871c) },
1061         { USB_DEVICE(0x0db0, 0x899a) },
1062         /* Ovislink */
1063         { USB_DEVICE(0x1b75, 0x3071) },
1064         { USB_DEVICE(0x1b75, 0x3072) },
1065         /* Para */
1066         { USB_DEVICE(0x20b8, 0x8888) },
1067         /* Pegatron */
1068         { USB_DEVICE(0x1d4d, 0x0002) },
1069         { USB_DEVICE(0x1d4d, 0x000c) },
1070         { USB_DEVICE(0x1d4d, 0x000e) },
1071         { USB_DEVICE(0x1d4d, 0x0011) },
1072         /* Philips */
1073         { USB_DEVICE(0x0471, 0x200f) },
1074         /* Planex */
1075         { USB_DEVICE(0x2019, 0x5201) },
1076         { USB_DEVICE(0x2019, 0xab25) },
1077         { USB_DEVICE(0x2019, 0xed06) },
1078         /* Quanta */
1079         { USB_DEVICE(0x1a32, 0x0304) },
1080         /* Ralink */
1081         { USB_DEVICE(0x148f, 0x2070) },
1082         { USB_DEVICE(0x148f, 0x2770) },
1083         { USB_DEVICE(0x148f, 0x2870) },
1084         { USB_DEVICE(0x148f, 0x3070) },
1085         { USB_DEVICE(0x148f, 0x3071) },
1086         { USB_DEVICE(0x148f, 0x3072) },
1087         /* Samsung */
1088         { USB_DEVICE(0x04e8, 0x2018) },
1089         /* Siemens */
1090         { USB_DEVICE(0x129b, 0x1828) },
1091         /* Sitecom */
1092         { USB_DEVICE(0x0df6, 0x0017) },
1093         { USB_DEVICE(0x0df6, 0x002b) },
1094         { USB_DEVICE(0x0df6, 0x002c) },
1095         { USB_DEVICE(0x0df6, 0x002d) },
1096         { USB_DEVICE(0x0df6, 0x0039) },
1097         { USB_DEVICE(0x0df6, 0x003b) },
1098         { USB_DEVICE(0x0df6, 0x003d) },
1099         { USB_DEVICE(0x0df6, 0x003e) },
1100         { USB_DEVICE(0x0df6, 0x003f) },
1101         { USB_DEVICE(0x0df6, 0x0040) },
1102         { USB_DEVICE(0x0df6, 0x0042) },
1103         { USB_DEVICE(0x0df6, 0x0047) },
1104         { USB_DEVICE(0x0df6, 0x0048) },
1105         { USB_DEVICE(0x0df6, 0x0051) },
1106         { USB_DEVICE(0x0df6, 0x005f) },
1107         { USB_DEVICE(0x0df6, 0x0060) },
1108         /* SMC */
1109         { USB_DEVICE(0x083a, 0x6618) },
1110         { USB_DEVICE(0x083a, 0x7511) },
1111         { USB_DEVICE(0x083a, 0x7512) },
1112         { USB_DEVICE(0x083a, 0x7522) },
1113         { USB_DEVICE(0x083a, 0x8522) },
1114         { USB_DEVICE(0x083a, 0xa618) },
1115         { USB_DEVICE(0x083a, 0xa701) },
1116         { USB_DEVICE(0x083a, 0xa702) },
1117         { USB_DEVICE(0x083a, 0xa703) },
1118         { USB_DEVICE(0x083a, 0xb522) },
1119         /* Sparklan */
1120         { USB_DEVICE(0x15a9, 0x0006) },
1121         /* Sweex */
1122         { USB_DEVICE(0x177f, 0x0153) },
1123         { USB_DEVICE(0x177f, 0x0164) },
1124         { USB_DEVICE(0x177f, 0x0302) },
1125         { USB_DEVICE(0x177f, 0x0313) },
1126         { USB_DEVICE(0x177f, 0x0323) },
1127         { USB_DEVICE(0x177f, 0x0324) },
1128         /* U-Media */
1129         { USB_DEVICE(0x157e, 0x300e) },
1130         { USB_DEVICE(0x157e, 0x3013) },
1131         /* ZCOM */
1132         { USB_DEVICE(0x0cde, 0x0022) },
1133         { USB_DEVICE(0x0cde, 0x0025) },
1134         /* Zinwell */
1135         { USB_DEVICE(0x5a57, 0x0280) },
1136         { USB_DEVICE(0x5a57, 0x0282) },
1137         { USB_DEVICE(0x5a57, 0x0283) },
1138         { USB_DEVICE(0x5a57, 0x5257) },
1139         /* Zyxel */
1140         { USB_DEVICE(0x0586, 0x3416) },
1141         { USB_DEVICE(0x0586, 0x3418) },
1142         { USB_DEVICE(0x0586, 0x341a) },
1143         { USB_DEVICE(0x0586, 0x341e) },
1144         { USB_DEVICE(0x0586, 0x343e) },
1145 #ifdef CONFIG_RT2800USB_RT33XX
1146         /* Belkin */
1147         { USB_DEVICE(0x050d, 0x945b) },
1148         /* D-Link */
1149         { USB_DEVICE(0x2001, 0x3c17) },
1150         /* Panasonic */
1151         { USB_DEVICE(0x083a, 0xb511) },
1152         /* Philips */
1153         { USB_DEVICE(0x0471, 0x20dd) },
1154         /* Ralink */
1155         { USB_DEVICE(0x148f, 0x3370) },
1156         { USB_DEVICE(0x148f, 0x8070) },
1157         /* Sitecom */
1158         { USB_DEVICE(0x0df6, 0x0050) },
1159         /* Sweex */
1160         { USB_DEVICE(0x177f, 0x0163) },
1161         { USB_DEVICE(0x177f, 0x0165) },
1162 #endif
1163 #ifdef CONFIG_RT2800USB_RT35XX
1164         /* Allwin */
1165         { USB_DEVICE(0x8516, 0x3572) },
1166         /* Askey */
1167         { USB_DEVICE(0x1690, 0x0744) },
1168         { USB_DEVICE(0x1690, 0x0761) },
1169         { USB_DEVICE(0x1690, 0x0764) },
1170         /* ASUS */
1171         { USB_DEVICE(0x0b05, 0x179d) },
1172         /* Cisco */
1173         { USB_DEVICE(0x167b, 0x4001) },
1174         /* EnGenius */
1175         { USB_DEVICE(0x1740, 0x9801) },
1176         /* I-O DATA */
1177         { USB_DEVICE(0x04bb, 0x0944) },
1178         /* Linksys */
1179         { USB_DEVICE(0x13b1, 0x002f) },
1180         { USB_DEVICE(0x1737, 0x0079) },
1181         /* Logitec */
1182         { USB_DEVICE(0x0789, 0x0170) },
1183         /* Ralink */
1184         { USB_DEVICE(0x148f, 0x3572) },
1185         /* Sitecom */
1186         { USB_DEVICE(0x0df6, 0x0041) },
1187         { USB_DEVICE(0x0df6, 0x0062) },
1188         { USB_DEVICE(0x0df6, 0x0065) },
1189         { USB_DEVICE(0x0df6, 0x0066) },
1190         { USB_DEVICE(0x0df6, 0x0068) },
1191         /* Toshiba */
1192         { USB_DEVICE(0x0930, 0x0a07) },
1193         /* Zinwell */
1194         { USB_DEVICE(0x5a57, 0x0284) },
1195 #endif
1196 #ifdef CONFIG_RT2800USB_RT3573
1197         /* AirLive */
1198         { USB_DEVICE(0x1b75, 0x7733) },
1199         /* ASUS */
1200         { USB_DEVICE(0x0b05, 0x17bc) },
1201         { USB_DEVICE(0x0b05, 0x17ad) },
1202         /* Belkin */
1203         { USB_DEVICE(0x050d, 0x1103) },
1204         /* Cameo */
1205         { USB_DEVICE(0x148f, 0xf301) },
1206         /* D-Link */
1207         { USB_DEVICE(0x2001, 0x3c1f) },
1208         /* Edimax */
1209         { USB_DEVICE(0x7392, 0x7733) },
1210         /* Hawking */
1211         { USB_DEVICE(0x0e66, 0x0020) },
1212         { USB_DEVICE(0x0e66, 0x0021) },
1213         /* I-O DATA */
1214         { USB_DEVICE(0x04bb, 0x094e) },
1215         /* Linksys */
1216         { USB_DEVICE(0x13b1, 0x003b) },
1217         /* Logitec */
1218         { USB_DEVICE(0x0789, 0x016b) },
1219         /* NETGEAR */
1220         { USB_DEVICE(0x0846, 0x9012) },
1221         { USB_DEVICE(0x0846, 0x9013) },
1222         { USB_DEVICE(0x0846, 0x9019) },
1223         /* Planex */
1224         { USB_DEVICE(0x2019, 0xed19) },
1225         /* Ralink */
1226         { USB_DEVICE(0x148f, 0x3573) },
1227         /* Sitecom */
1228         { USB_DEVICE(0x0df6, 0x0067) },
1229         { USB_DEVICE(0x0df6, 0x006a) },
1230         { USB_DEVICE(0x0df6, 0x006e) },
1231         /* ZyXEL */
1232         { USB_DEVICE(0x0586, 0x3421) },
1233 #endif
1234 #ifdef CONFIG_RT2800USB_RT53XX
1235         /* Arcadyan */
1236         { USB_DEVICE(0x043e, 0x7a12) },
1237         { USB_DEVICE(0x043e, 0x7a32) },
1238         /* Azurewave */
1239         { USB_DEVICE(0x13d3, 0x3329) },
1240         { USB_DEVICE(0x13d3, 0x3365) },
1241         /* D-Link */
1242         { USB_DEVICE(0x2001, 0x3c15) },
1243         { USB_DEVICE(0x2001, 0x3c19) },
1244         { USB_DEVICE(0x2001, 0x3c1c) },
1245         { USB_DEVICE(0x2001, 0x3c1d) },
1246         { USB_DEVICE(0x2001, 0x3c1e) },
1247         { USB_DEVICE(0x2001, 0x3c20) },
1248         { USB_DEVICE(0x2001, 0x3c22) },
1249         { USB_DEVICE(0x2001, 0x3c23) },
1250         /* LG innotek */
1251         { USB_DEVICE(0x043e, 0x7a22) },
1252         { USB_DEVICE(0x043e, 0x7a42) },
1253         /* Panasonic */
1254         { USB_DEVICE(0x04da, 0x1801) },
1255         { USB_DEVICE(0x04da, 0x1800) },
1256         { USB_DEVICE(0x04da, 0x23f6) },
1257         /* Philips */
1258         { USB_DEVICE(0x0471, 0x2104) },
1259         { USB_DEVICE(0x0471, 0x2126) },
1260         { USB_DEVICE(0x0471, 0x2180) },
1261         { USB_DEVICE(0x0471, 0x2181) },
1262         { USB_DEVICE(0x0471, 0x2182) },
1263         /* Ralink */
1264         { USB_DEVICE(0x148f, 0x5370) },
1265         { USB_DEVICE(0x148f, 0x5372) },
1266 #endif
1267 #ifdef CONFIG_RT2800USB_RT55XX
1268         /* Arcadyan */
1269         { USB_DEVICE(0x043e, 0x7a32) },
1270         /* AVM GmbH */
1271         { USB_DEVICE(0x057c, 0x8501) },
1272         /* Buffalo */
1273         { USB_DEVICE(0x0411, 0x0241) },
1274         /* D-Link */
1275         { USB_DEVICE(0x2001, 0x3c1a) },
1276         { USB_DEVICE(0x2001, 0x3c21) },
1277         /* Proware */
1278         { USB_DEVICE(0x043e, 0x7a13) },
1279         /* Ralink */
1280         { USB_DEVICE(0x148f, 0x5572) },
1281         /* TRENDnet */
1282         { USB_DEVICE(0x20f4, 0x724a) },
1283 #endif
1284 #ifdef CONFIG_RT2800USB_UNKNOWN
1285         /*
1286          * Unclear what kind of devices these are (they aren't supported by the
1287          * vendor linux driver).
1288          */
1289         /* Abocom */
1290         { USB_DEVICE(0x07b8, 0x3073) },
1291         { USB_DEVICE(0x07b8, 0x3074) },
1292         /* Alpha Networks */
1293         { USB_DEVICE(0x14b2, 0x3c08) },
1294         { USB_DEVICE(0x14b2, 0x3c11) },
1295         /* Amigo */
1296         { USB_DEVICE(0x0e0b, 0x9031) },
1297         { USB_DEVICE(0x0e0b, 0x9041) },
1298         /* ASUS */
1299         { USB_DEVICE(0x0b05, 0x166a) },
1300         { USB_DEVICE(0x0b05, 0x1760) },
1301         { USB_DEVICE(0x0b05, 0x1761) },
1302         { USB_DEVICE(0x0b05, 0x1790) },
1303         { USB_DEVICE(0x0b05, 0x17a7) },
1304         /* AzureWave */
1305         { USB_DEVICE(0x13d3, 0x3262) },
1306         { USB_DEVICE(0x13d3, 0x3284) },
1307         { USB_DEVICE(0x13d3, 0x3322) },
1308         { USB_DEVICE(0x13d3, 0x3340) },
1309         { USB_DEVICE(0x13d3, 0x3399) },
1310         { USB_DEVICE(0x13d3, 0x3400) },
1311         { USB_DEVICE(0x13d3, 0x3401) },
1312         /* Belkin */
1313         { USB_DEVICE(0x050d, 0x1003) },
1314         /* Buffalo */
1315         { USB_DEVICE(0x0411, 0x012e) },
1316         { USB_DEVICE(0x0411, 0x0148) },
1317         { USB_DEVICE(0x0411, 0x0150) },
1318         /* Corega */
1319         { USB_DEVICE(0x07aa, 0x0041) },
1320         { USB_DEVICE(0x07aa, 0x0042) },
1321         { USB_DEVICE(0x18c5, 0x0008) },
1322         /* D-Link */
1323         { USB_DEVICE(0x07d1, 0x3c0b) },
1324         /* Encore */
1325         { USB_DEVICE(0x203d, 0x14a1) },
1326         /* EnGenius */
1327         { USB_DEVICE(0x1740, 0x0600) },
1328         { USB_DEVICE(0x1740, 0x0602) },
1329         /* Gemtek */
1330         { USB_DEVICE(0x15a9, 0x0010) },
1331         /* Gigabyte */
1332         { USB_DEVICE(0x1044, 0x800c) },
1333         /* Hercules */
1334         { USB_DEVICE(0x06f8, 0xe036) },
1335         /* Huawei */
1336         { USB_DEVICE(0x148f, 0xf101) },
1337         /* I-O DATA */
1338         { USB_DEVICE(0x04bb, 0x094b) },
1339         /* LevelOne */
1340         { USB_DEVICE(0x1740, 0x0605) },
1341         { USB_DEVICE(0x1740, 0x0615) },
1342         /* Logitec */
1343         { USB_DEVICE(0x0789, 0x0168) },
1344         { USB_DEVICE(0x0789, 0x0169) },
1345         /* Motorola */
1346         { USB_DEVICE(0x100d, 0x9032) },
1347         /* Pegatron */
1348         { USB_DEVICE(0x05a6, 0x0101) },
1349         { USB_DEVICE(0x1d4d, 0x0010) },
1350         /* Planex */
1351         { USB_DEVICE(0x2019, 0xab24) },
1352         { USB_DEVICE(0x2019, 0xab29) },
1353         /* Qcom */
1354         { USB_DEVICE(0x18e8, 0x6259) },
1355         /* RadioShack */
1356         { USB_DEVICE(0x08b9, 0x1197) },
1357         /* Sitecom */
1358         { USB_DEVICE(0x0df6, 0x003c) },
1359         { USB_DEVICE(0x0df6, 0x004a) },
1360         { USB_DEVICE(0x0df6, 0x004d) },
1361         { USB_DEVICE(0x0df6, 0x0053) },
1362         { USB_DEVICE(0x0df6, 0x0069) },
1363         { USB_DEVICE(0x0df6, 0x006f) },
1364         /* SMC */
1365         { USB_DEVICE(0x083a, 0xa512) },
1366         { USB_DEVICE(0x083a, 0xc522) },
1367         { USB_DEVICE(0x083a, 0xd522) },
1368         { USB_DEVICE(0x083a, 0xf511) },
1369         /* Sweex */
1370         { USB_DEVICE(0x177f, 0x0254) },
1371         /* TP-LINK */
1372         { USB_DEVICE(0xf201, 0x5370) },
1373 #endif
1374         { 0, }
1375 };
1376 
1377 MODULE_AUTHOR(DRV_PROJECT);
1378 MODULE_VERSION(DRV_VERSION);
1379 MODULE_DESCRIPTION("Ralink RT2800 USB Wireless LAN driver.");
1380 MODULE_SUPPORTED_DEVICE("Ralink RT2870 USB chipset based cards");
1381 MODULE_DEVICE_TABLE(usb, rt2800usb_device_table);
1382 MODULE_FIRMWARE(FIRMWARE_RT2870);
1383 MODULE_LICENSE("GPL");
1384 
1385 static int rt2800usb_probe(struct usb_interface *usb_intf,
1386                            const struct usb_device_id *id)
1387 {
1388         return rt2x00usb_probe(usb_intf, &rt2800usb_ops);
1389 }
1390 
1391 static struct usb_driver rt2800usb_driver = {
1392         .name           = KBUILD_MODNAME,
1393         .id_table       = rt2800usb_device_table,
1394         .probe          = rt2800usb_probe,
1395         .disconnect     = rt2x00usb_disconnect,
1396         .suspend        = rt2x00usb_suspend,
1397         .resume         = rt2x00usb_resume,
1398         .reset_resume   = rt2x00usb_resume,
1399         .disable_hub_initiated_lpm = 1,
1400 };
1401 
1402 module_usb_driver(rt2800usb_driver);
1403 

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