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Hook ic_addba_response and ic_addba_stop functions in order to be able to count activ...
[ralink_drivers/rt2870_fbsd72.git] / rt2870.c
bloba56122653d8397a6dd745b86b63643112e96a5e1
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2870_softc.h"
20 #include "rt2870_reg.h"
21 #include "rt2870_eeprom.h"
22 #include "rt2870_ucode.h"
23 #include "rt2870_rxwi.h"
24 #include "rt2870_rxinfo.h"
25 #include "rt2870_txwi.h"
26 #include "rt2870_txinfo.h"
27 #include "rt2870_read_eeprom.h"
28 #include "rt2870_io.h"
29 #include "rt2870_rf.h"
30 #include "rt2870_led.h"
31 #include "rt2870_debug.h"
32
33 /*
34 * Defines and macros
35 */
36
37 #define USB_PRODUCT_LINKSYS4_WUSB600N 0x0071
38 #define USB_PRODUCT_DLINK2_DWA140 0x3c09
39 #define USB_PRODUCT_DLINK2_DWA160AREVB 0x3c11
40 #define USB_PRODUCT_ASUS_RT2770F 0x1742
41 #define USB_PRODUCT_RALINK_RT2770 0x2770
42
43 #define RT2870_USB_CONFIG_NO 1
44 #define RT2870_USB_IFACE_INDEX 0
45
46 #define RT2870_USB_REQ_MAC_READ_MULTI 0x07
47
48 /* packet length + Rx wireless info + Rx info */
49 #define RT2870_RX_DESC_SIZE \
50 (sizeof(uint32_t) + sizeof(struct rt2870_rxwi) + sizeof(struct rt2870_rxinfo))
51
52 /* Tx info + Tx wireless info + max padding */
53 #define RT2870_TX_DESC_SIZE \
54 (sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + 11)
55
56 #define RT2870_MAX_AGG_SIZE 3840
57
58 #define RT2870_USB_RX_BULK_BUFLEN (2048 * 12)
59
60 #define RT2870_NOISE_FLOOR -95
61
62 #define RT2870_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22)
63
64 #define RT2870_ACK_SIZE 14
65
66 #define IEEE80211_HAS_ADDR4(wh) \
67 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
68
69 #define RT2870_MS(_v, _f) (((_v) & _f) >> _f##_S)
70 #define RT2870_SM(_v, _f) (((_v) << _f##_S) & _f)
71
72 #define RT2870_USB_XFER_TIMEOUT 5000
73
74 #define RT2870_TX_WATCHDOG_TIMEOUT 5
75
76 #define RT2870_WCID_RESERVED 0xff
77 #define RT2870_WCID_MCAST 0xf7
78
79 /*
80 * Data structures and types
81 */
82
83 struct rt2870_cmd_argv_newstate
84 {
85 enum ieee80211_state nstate;
86 int arg;
87 };
88
89 struct rt2870_cmd_argv_nodecleanup
90 {
91 uint8_t staid;
92 };
93
94 struct rt2870_cmd_argv_newassoc
95 {
96 int isnew;
97 uint8_t macaddr[IEEE80211_ADDR_LEN];
98 };
99
100 struct rt2870_cmd_argv_updatebeacon
101 {
102 int what;
103 };
104
105 struct rt2870_cmd_argv_keyset
106 {
107 enum ieee80211_opmode opmode;
108 struct ieee80211_key key;
109 uint8_t staid;
110 };
111
112 struct rt2870_cmd_argv_keydelete
113 {
114 enum ieee80211_opmode opmode;
115 struct ieee80211_key key;
116 };
117
118 /*
119 * Static function prototypes
120 */
121
122 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc);
123
124 static void rt2870_init_channels(struct rt2870_softc *sc);
125
126 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
127
128 static void rt2870_init_locked(void *priv);
129
130 static void rt2870_init(void *priv);
131
132 static int rt2870_init_bbp(struct rt2870_softc *sc);
133
134 static void rt2870_stop_locked(void *priv);
135
136 static void rt2870_stop(void *priv);
137
138 static void rt2870_start(struct ifnet *ifp);
139
140 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
141
142 static int rt2870_reset(struct ifnet *ifp);
143
144 static int rt2870_newstate(struct ieee80211com *ic,
145 enum ieee80211_state nstate, int arg);
146
147 static void rt2870_scan_start(struct ieee80211com *ic);
148
149 static void rt2870_scan_end(struct ieee80211com *ic);
150
151 static void rt2870_set_channel(struct ieee80211com *ic);
152
153 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
154
155 static void rt2870_updateslot(struct ifnet *ifp);
156
157 static int rt2870_wme_update(struct ieee80211com *ic);
158
159 static void rt2870_update_beacon(struct ieee80211com *ic, int what);
160
161 static void rt2870_key_update_begin(struct ieee80211com *ic);
162
163 static void rt2870_key_update_end(struct ieee80211com *ic);
164
165 static int rt2870_key_set(struct ieee80211com *ic,
166 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
167
168 static int rt2870_key_delete(struct ieee80211com *ic,
169 const struct ieee80211_key *k);
170
171 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
172 const struct ieee80211_bpf_params *params);
173
174 static int rt2870_media_change(struct ifnet *ifp);
175
176 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211_node_table *nt);
177
178 static void rt2870_node_cleanup(struct ieee80211_node *ni);
179
180 static void rt2870_recv_action(struct ieee80211_node *ni,
181 const uint8_t *frm, const uint8_t *efrm);
182
183 static int rt2870_send_action(struct ieee80211_node *ni,
184 int category, int action, uint16_t args[4]);
185
186 static int rt2870_addba_response(struct ieee80211_node *ni,
187 struct ieee80211_tx_ampdu *tap,
188 int status, int baparamset, int batimeout);
189
190 static void rt2870_addba_stop(struct ieee80211_node *ni,
191 struct ieee80211_tx_ampdu *tap);
192
193 static int rt2870_send_bar(struct ieee80211_node *ni,
194 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno);
195
196 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
197
198 static void rt2870_periodic(void *arg);
199
200 static void rt2870_tx_watchdog(void *arg);
201
202 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid);
203
204 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid);
205
206 static int rt2870_do_async(struct rt2870_softc *sc,
207 void (*cb)(struct rt2870_softc *sc, void *priv),
208 void *arg, int len);
209
210 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg);
211
212 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg);
213
214 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg);
215
216 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg);
217
218 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg);
219
220 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg);
221
222 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
223
224 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg);
225
226 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
227
228 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg);
229
230 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg);
231
232 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg);
233
234 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg);
235
236 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
237 const uint8_t *bssid);
238
239 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
240 const uint8_t *addr);
241
242 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
243
244 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
245
246 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
247
248 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
249
250 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
251
252 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
253
254 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
255
256 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
257
258 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
259
260 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
261
262 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
263
264 static void rt2870_asic_update_beacon(struct rt2870_softc *sc);
265
266 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
267
268 static void rt2870_asic_add_ba_session(struct rt2870_softc *sc,
269 uint8_t wcid, int tid);
270
271 static void rt2870_asic_del_ba_session(struct rt2870_softc *sc,
272 uint8_t wcid, int tid);
273
274 static int rt2870_beacon_alloc(struct rt2870_softc *sc);
275
276 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
277
278 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
279 const struct rt2870_rxwi *rxwi);
280
281 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
282 uint8_t rssi, uint8_t rxpath);
283
284 static uint8_t rt2870_rate2mcs(uint8_t rate);
285
286 static int rt2870_ackrate(struct ieee80211com *ic, int rate);
287
288 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags);
289
290 static void rt2870_rx_frame(struct rt2870_softc *sc,
291 uint8_t *buf, uint32_t dmalen);
292
293 static int rt2870_tx_frame(struct rt2870_softc *sc,
294 struct mbuf *m, struct ieee80211_node *ni, int qid);
295
296 static int rt2870_tx_raw(struct rt2870_softc *sc,
297 struct mbuf *m, struct ieee80211_node *ni,
298 const struct ieee80211_bpf_params *params);
299
300 static void rt2870_rx_intr(usbd_xfer_handle xfer,
301 usbd_private_handle priv, usbd_status status);
302
303 static void rt2870_tx_intr(usbd_xfer_handle xfer,
304 usbd_private_handle priv, usbd_status status);
305
306 static void rt2870_rx_done_task(void *context, int pending);
307
308 static void rt2870_tx_done_task(void *context, int pending);
309
310 static void rt2870_periodic_task(void *context, int pending);
311
312 static void rt2870_cmd_task(void *context, int pending);
313
314 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
315
316 static void rt2870_tx_eof(struct rt2870_softc *sc,
317 struct rt2870_softc_tx_ring *ring);
318
319 static void rt2870_update_stats(struct rt2870_softc *sc);
320
321 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
322
323 static void rt2870_watchdog(struct rt2870_softc *sc);
324
325 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
326
327 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
328
329 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
330 struct rt2870_softc_rx_ring *ring);
331
332 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
333 struct rt2870_softc_rx_ring *ring);
334
335 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
336 struct rt2870_softc_rx_ring *ring);
337
338 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
339 struct rt2870_softc_tx_ring *ring, int qid);
340
341 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
342 struct rt2870_softc_tx_ring *ring);
343
344 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
345 struct rt2870_softc_tx_ring *ring);
346
347 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
348 struct rt2870_softc_cmd_ring *ring);
349
350 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
351
352 /*
353 * Static variables
354 */
355
356 static const struct usb_devno rt2870_usb_devno[] =
357 {
358 { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N }, /* Linksys WUSB600N */
359 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140 }, /* D-Link DWA-140 */
360 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB }, /* D-Link DWA-160A Rev. B */
361 { USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F }, /* Asus RT2770F */
362 { USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770 }, /* Ralink RT2770 */
363 };
364
365 static const struct
366 {
367 uint32_t reg;
368 uint32_t val;
369 } rt2870_def_mac[] =
370 {
371 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
372 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
373 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
374 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
375 { RT2870_REG_SYS_CTRL, 0x00000000 },
376 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
377 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
378 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
379 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
380 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
381 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
382 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
383 { RT2870_REG_LED_CFG, 0x7f031e46 },
384 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
385 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
386 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
387 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
388 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
389 { RT2870_REG_PBF_CFG, 0x00f40006 },
390 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
391 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
392 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
393 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
394 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
395 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
396 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
397 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
398 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
399 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
400 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
401 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
402 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
403 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
404 };
405
406 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
407
408 static const struct
409 {
410 uint8_t reg;
411 uint8_t val;
412 } rt2870_def_bbp[] =
413 {
414 { 65, 0x2c },
415 { 66, 0x38 },
416 { 69, 0x12 },
417 { 70, 0x0a },
418 { 73, 0x10 },
419 { 81, 0x37 },
420 { 82, 0x62 },
421 { 83, 0x6a },
422 { 84, 0x99 },
423 { 86, 0x00 },
424 { 91, 0x04 },
425 { 92, 0x00 },
426 { 103, 0x00 },
427 { 105, 0x05 },
428 };
429
430 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
431
432 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
433
434 #ifdef RT2870_DEBUG
435 static int rt2870_debug = 0;
436 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
437 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
438 #endif
439
440 /*
441 * rt2870_probe
442 */
443 static int rt2870_probe(device_t dev)
444 {
445 struct usb_attach_arg *uaa;
446
447 uaa = device_get_ivars(dev);
448
449 if (uaa->iface != NULL)
450 return UMATCH_NONE;
451
452 return (usb_lookup(rt2870_usb_devno, uaa->vendor, uaa->product) != NULL) ?
453 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
454 }
455
456 /*
457 * rt2870_attach
458 */
459 static int rt2870_attach(device_t dev)
460 {
461 struct rt2870_softc *sc;
462 struct usb_attach_arg *uaa;
463 usbd_status usb_error;
464 struct ieee80211com *ic;
465 struct ifnet *ifp;
466 int error, ntries, i;
467
468 sc = device_get_softc(dev);
469 uaa = device_get_ivars(dev);
470
471 sc->dev = dev;
472 sc->usb_dev = uaa->device;
473
474 #ifdef RT2870_DEBUG
475 sc->debug = rt2870_debug;
476
477 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
478 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
479 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
480 #endif
481
482 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
483 "%s: attaching\n",
484 device_get_nameunit(sc->dev));
485
486 if (usbd_set_config_no(sc->usb_dev, RT2870_USB_CONFIG_NO, 0) != 0)
487 {
488 printf("%s: could not set USB configuration no\n",
489 device_get_nameunit(sc->dev));
490 return ENXIO;
491 }
492
493 usb_error = usbd_device2interface_handle(sc->usb_dev,
494 RT2870_USB_IFACE_INDEX, &sc->usb_iface);
495 if (usb_error != 0)
496 {
497 printf("%s: could not get USB interface handle\n",
498 device_get_nameunit(sc->dev));
499 return ENXIO;
500 }
501
502 error = rt2870_find_usb_endpoints(sc);
503 if (error != 0)
504 return error;
505
506 for (ntries = 0; ntries < 100; ntries++)
507 {
508 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
509 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
510 break;
511
512 DELAY(10);
513 }
514
515 if (ntries == 100)
516 {
517 printf("%s: timeout waiting for NIC to initialize\n",
518 device_get_nameunit(sc->dev));
519 return ENXIO;
520 }
521
522 rt2870_read_eeprom(sc);
523
524 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
525 device_get_nameunit(sc->dev), sc->mac_rev,
526 rt2870_rf_name(sc->rf_rev));
527
528 sc->flags |= RT2870_SOFTC_FLAGS_VALID;
529
530 /* clear key tables */
531
532 rt2870_asic_clear_keytables(sc);
533
534 /* open Tx and Rx USB bulk pipes */
535
536 for (i = 0; i < sc->usb_endpoints - 1; i++)
537 {
538 error = usbd_open_pipe(sc->usb_iface, sc->tx_ring[i].usb_ep,
539 USBD_EXCLUSIVE_USE, &sc->tx_ring[i].usb_pipe);
540 if (error != 0)
541 {
542 printf("%s: could not open Tx pipe #%d: %s\n",
543 device_get_nameunit(sc->dev), i, usbd_errstr(error));
544 goto fail;
545 }
546 }
547
548 error = usbd_open_pipe(sc->usb_iface, sc->rx_ring.usb_ep,
549 USBD_EXCLUSIVE_USE, &sc->rx_ring.usb_pipe);
550 if (error != 0)
551 {
552 printf("%s: could not open Rx pipe: %s\n",
553 device_get_nameunit(sc->dev), usbd_errstr(error));
554 goto fail;
555 }
556
557 /* allocate Tx and Rx rings */
558
559 for (i = 0; i < sc->usb_endpoints - 1; i++)
560 {
561 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
562 if (error != 0)
563 {
564 printf("%s: could not allocate Tx ring #%d\n",
565 device_get_nameunit(sc->dev), i);
566 goto fail;
567 }
568 }
569
570 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
571 sc->tx_ring_mgtqid = 5;
572 else
573 sc->tx_ring_mgtqid = 0;
574
575 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
576 if (error != 0)
577 {
578 printf("%s: could not allocate Rx ring\n",
579 device_get_nameunit(sc->dev));
580 goto fail;
581 }
582
583 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
584
585 callout_init(&sc->periodic_ch, 0);
586 callout_init(&sc->tx_watchdog_ch, 0);
587
588 ifp = sc->ifp = if_alloc(IFT_ETHER);
589 if (ifp == NULL)
590 {
591 printf("%s: could not if_alloc()\n",
592 device_get_nameunit(sc->dev));
593 error = ENOMEM;
594 goto fail;
595 }
596
597 ifp->if_softc = sc;
598
599 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
600
601 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
602 IFF_NEEDSGIANT;
603
604 ifp->if_init = rt2870_init;
605 ifp->if_ioctl = rt2870_ioctl;
606 ifp->if_start = rt2870_start;
607
608 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
609 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
610 IFQ_SET_READY(&ifp->if_snd);
611
612 ic = &sc->ic;
613
614 ic->ic_ifp = ifp;
615
616 ic->ic_phytype = IEEE80211_T_HT;
617 ic->ic_opmode = IEEE80211_M_STA;
618 ic->ic_state = IEEE80211_S_INIT;
619
620 ic->ic_caps = IEEE80211_C_MONITOR |
621 IEEE80211_C_IBSS |
622 IEEE80211_C_AHDEMO |
623 IEEE80211_C_HOSTAP |
624 IEEE80211_C_WDS |
625 IEEE80211_C_BGSCAN |
626 IEEE80211_C_TXPMGT |
627 IEEE80211_C_SHPREAMBLE |
628 IEEE80211_C_SHSLOT |
629 IEEE80211_C_TXFRAG |
630 IEEE80211_C_BURST |
631 IEEE80211_C_WME |
632 IEEE80211_C_WEP |
633 IEEE80211_C_TKIP |
634 IEEE80211_C_AES_CCM |
635 IEEE80211_C_WPA;
636
637 ic->ic_htcaps = IEEE80211_HTC_HT |
638 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
639 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
640 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
641 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
642 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
643 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
644 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
645 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
646
647 /* spatial streams */
648
649 if (sc->nrxpath == 2)
650 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
651 else if (sc->nrxpath == 3)
652 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
653 else
654 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
655
656 if (sc->ntxpath > 1)
657 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
658
659 /* delayed BA */
660
661 if (sc->mac_rev != 0x28600100)
662 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
663
664 /* init channels */
665
666 ic->ic_nchans = 0;
667 ic->ic_regdomain = 0;
668 ic->ic_countrycode = CTRY_DEFAULT;
669 ic->ic_location = 0;
670
671 rt2870_init_channels(sc);
672
673 rt2870_init_channels_ht40(sc);
674
675 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
676
677 ieee80211_ifattach(ic);
678
679 sc->newstate = ic->ic_newstate;
680 ic->ic_newstate = rt2870_newstate;
681
682 ic->ic_reset = rt2870_reset;
683 ic->ic_node_alloc = rt2870_node_alloc;
684
685 sc->node_cleanup = ic->ic_node_cleanup;
686 ic->ic_node_cleanup = rt2870_node_cleanup;
687
688 ic->ic_scan_start = rt2870_scan_start;
689 ic->ic_scan_end = rt2870_scan_end;
690 ic->ic_set_channel = rt2870_set_channel;
691 ic->ic_newassoc = rt2870_newassoc;
692 ic->ic_updateslot = rt2870_updateslot;
693 ic->ic_wme.wme_update = rt2870_wme_update;
694 ic->ic_update_beacon = rt2870_update_beacon;
695 ic->ic_crypto.cs_key_update_begin = rt2870_key_update_begin;
696 ic->ic_crypto.cs_key_update_end = rt2870_key_update_end;
697 ic->ic_crypto.cs_key_set = rt2870_key_set;
698 ic->ic_crypto.cs_key_delete = rt2870_key_delete;
699 ic->ic_raw_xmit = rt2870_raw_xmit;
700
701 sc->recv_action = ic->ic_recv_action;
702 ic->ic_recv_action = rt2870_recv_action;
703
704 sc->send_action = ic->ic_send_action;
705 ic->ic_send_action = rt2870_send_action;
706
707 sc->addba_response = ic->ic_addba_response;
708 ic->ic_addba_response = rt2870_addba_response;
709
710 sc->addba_stop = ic->ic_addba_stop;
711 ic->ic_addba_stop = rt2870_addba_stop;
712
713 /* override Rx A-MPDU factor */
714
715 ic->ic_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
716 ic->ic_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
717 ic->ic_ampdu_limit = ic->ic_ampdu_rxmax;
718
719 /* hardware requires padding between 802.11 frame header and body */
720
721 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
722
723 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
724
725 ic->ic_max_aid = RT2870_SOFTC_STAID_COUNT;
726
727 rt2870_amrr_init(&sc->amrr, ic,
728 sc->ntxpath,
729 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
730 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
731 500);
732
733 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
734 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
735 &sc->drvbpf);
736
737 sc->rxtap_len = sizeof(sc->rxtapu);
738 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
739 sc->rxtap.ihdr.it_present = htole32(RT2870_SOFTC_RX_RADIOTAP_PRESENT);
740
741 sc->txtap_len = sizeof(sc->txtapu);
742 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
743 sc->txtap.ihdr.it_present = htole32(RT2870_SOFTC_TX_RADIOTAP_PRESENT);
744
745 /* init task queue */
746
747 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
748 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
749 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
750 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
751
752 sc->rx_process_limit = 100;
753
754 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
755 taskqueue_thread_enqueue, &sc->taskqueue);
756
757 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
758 device_get_nameunit(sc->dev));
759
760 ieee80211_media_init(ic, rt2870_media_change, ieee80211_media_status);
761
762 rt2870_sysctl_attach(sc);
763
764 if (bootverbose)
765 ieee80211_announce(ic);
766
767 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->usb_dev, sc->dev);
768
769 return 0;
770
771 fail:
772
773 /* close Tx and Rx USB bulk pipes */
774
775 if (sc->rx_ring.usb_pipe != NULL)
776 {
777 usbd_abort_pipe(sc->rx_ring.usb_pipe);
778 usbd_close_pipe(sc->rx_ring.usb_pipe);
779 sc->rx_ring.usb_pipe = NULL;
780 }
781
782 for (i = 0; i < sc->usb_endpoints - 1; i++)
783 {
784 if (sc->tx_ring[i].usb_pipe != NULL)
785 {
786 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
787 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
788 sc->tx_ring[i].usb_pipe = NULL;
789 }
790 }
791
792 /* free Tx and Rx rings */
793
794 for (i = 0; i < sc->usb_endpoints - 1; i++)
795 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
796
797 rt2870_free_rx_ring(sc, &sc->rx_ring);
798
799 return error;
800 }
801
802 /*
803 * rt2870_detach
804 */
805 static int rt2870_detach(device_t dev)
806 {
807 struct rt2870_softc *sc;
808 struct ieee80211com *ic;
809 struct ifnet *ifp;
810 int i;
811
812 if (!device_is_attached(dev))
813 return 0;
814
815 sc = device_get_softc(dev);
816 ic = &sc->ic;
817 ifp = ic->ic_ifp;
818
819 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
820 "%s: detaching\n",
821 device_get_nameunit(sc->dev));
822
823 sc->flags &= ~RT2870_SOFTC_FLAGS_VALID;
824
825 sc->tx_timer = 0;
826
827 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
828
829 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
830
831 callout_stop(&sc->periodic_ch);
832 callout_stop(&sc->tx_watchdog_ch);
833
834 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
835 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
836 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
837 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
838
839 /* close Tx and Rx USB bulk pipes */
840
841 if (sc->rx_ring.usb_pipe != NULL)
842 {
843 usbd_abort_pipe(sc->rx_ring.usb_pipe);
844 usbd_close_pipe(sc->rx_ring.usb_pipe);
845 sc->rx_ring.usb_pipe = NULL;
846 }
847
848 for (i = 0; i < sc->usb_endpoints - 1; i++)
849 {
850 if (sc->tx_ring[i].usb_pipe != NULL)
851 {
852 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
853 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
854 sc->tx_ring[i].usb_pipe = NULL;
855 }
856 }
857
858 /* free Tx and Rx rings */
859
860 for (i = 0; i < sc->usb_endpoints - 1; i++)
861 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
862
863 rt2870_free_rx_ring(sc, &sc->rx_ring);
864
865 bpfdetach(ifp);
866
867 ieee80211_ifdetach(ic);
868
869 if_free(ifp);
870
871 taskqueue_free(sc->taskqueue);
872
873 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->usb_dev, sc->dev);
874
875 return 0;
876 }
877
878 /*
879 * rt2870_find_usb_endpoints
880 */
881 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc)
882 {
883 usb_interface_descriptor_t *id;
884 usb_endpoint_descriptor_t *ed;
885 int i, j;
886
887 id = usbd_get_interface_descriptor(sc->usb_iface);
888
889 sc->usb_endpoints = id->bNumEndpoints;
890 if ((sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT + 1)) &&
891 (sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT - 2 + 1)))
892 {
893 printf("%s: wrong number of USB endpoints=%d\n",
894 device_get_nameunit(sc->dev), sc->usb_endpoints);
895 return ENXIO;
896 }
897
898 sc->rx_ring.usb_ep = -1;
899
900 for (i = 0; i < RT2870_SOFTC_TX_RING_COUNT; i++)
901 sc->tx_ring[i].usb_ep = -1;
902
903 for (i = 0, j = 0; i < id->bNumEndpoints; i++)
904 {
905 ed = usbd_interface2endpoint_descriptor(sc->usb_iface, i);
906 if (ed == NULL)
907 {
908 printf("%s: no endpoint descriptor #%d for USB interface\n",
909 device_get_nameunit(sc->dev), i);
910 return ENXIO;
911 }
912
913 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
914 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
915 {
916 sc->rx_ring.usb_ep = ed->bEndpointAddress;
917 }
918 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
919 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
920 {
921 if (j < RT2870_SOFTC_TX_RING_COUNT)
922 sc->tx_ring[j++].usb_ep = ed->bEndpointAddress;
923 else
924 sc->tx_ring[RT2870_SOFTC_TX_RING_COUNT - 1].usb_ep =
925 ed->bEndpointAddress;
926 }
927 }
928
929 if ((sc->rx_ring.usb_ep == -1) ||
930 ((j != RT2870_SOFTC_TX_RING_COUNT) && (j != RT2870_SOFTC_TX_RING_COUNT - 2)))
931 {
932 printf("%s: missing USB endpoints\n",
933 device_get_nameunit(sc->dev));
934 return ENXIO;
935 }
936
937 return 0;
938 }
939
940 /*
941 * rt2870_init_channels
942 */
943 static void rt2870_init_channels(struct rt2870_softc *sc)
944 {
945 struct ieee80211com *ic;
946 struct ieee80211_channel *c;
947 int i, flags;
948
949 ic = &sc->ic;
950
951 /* set supported channels for 2GHz band */
952
953 for (i = 1; i <= 14; i++)
954 {
955 c = &ic->ic_channels[ic->ic_nchans++];
956 flags = IEEE80211_CHAN_B;
957
958 c->ic_freq = ieee80211_ieee2mhz(i, flags);
959 c->ic_ieee = i;
960 c->ic_flags = flags;
961
962 c = &ic->ic_channels[ic->ic_nchans++];
963 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
964
965 c->ic_freq = ieee80211_ieee2mhz(i, flags);
966 c->ic_ieee = i;
967 c->ic_flags = flags;
968
969 c = &ic->ic_channels[ic->ic_nchans++];
970 flags = IEEE80211_CHAN_G;
971
972 c->ic_freq = ieee80211_ieee2mhz(i, flags);
973 c->ic_ieee = i;
974 c->ic_flags = flags;
975
976 c = &ic->ic_channels[ic->ic_nchans++];
977 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
978
979 c->ic_freq = ieee80211_ieee2mhz(i, flags);
980 c->ic_ieee = i;
981 c->ic_flags = flags;
982 }
983
984 /* set supported channels for 5GHz band */
985
986 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
987 sc->rf_rev == RT2870_EEPROM_RF_2750)
988 {
989 for (i = 36; i <= 64; i += 4)
990 {
991 c = &ic->ic_channels[ic->ic_nchans++];
992 flags = IEEE80211_CHAN_A;
993
994 c->ic_freq = ieee80211_ieee2mhz(i, flags);
995 c->ic_ieee = i;
996 c->ic_flags = flags;
997
998 c = &ic->ic_channels[ic->ic_nchans++];
999 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
1000
1001 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1002 c->ic_ieee = i;
1003 c->ic_flags = flags;
1004 }
1005
1006 for (i = 100; i <= 140; i += 4)
1007 {
1008 c = &ic->ic_channels[ic->ic_nchans++];
1009 flags = IEEE80211_CHAN_A;
1010
1011 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1012 c->ic_ieee = i;
1013 c->ic_flags = flags;
1014
1015 c = &ic->ic_channels[ic->ic_nchans++];
1016 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
1017
1018 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1019 c->ic_ieee = i;
1020 c->ic_flags = flags;
1021 }
1022
1023 for (i = 149; i <= 165; i += 4)
1024 {
1025 c = &ic->ic_channels[ic->ic_nchans++];
1026 flags = IEEE80211_CHAN_A;
1027
1028 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1029 c->ic_ieee = i;
1030 c->ic_flags = flags;
1031
1032 c = &ic->ic_channels[ic->ic_nchans++];
1033 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
1034
1035 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1036 c->ic_ieee = i;
1037 c->ic_flags = flags;
1038 }
1039 }
1040 }
1041
1042 /*
1043 * rt2870_init_channels_ht40
1044 */
1045 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
1046 {
1047 struct ieee80211com *ic;
1048 struct ieee80211_channel *c, *cent, *ext;
1049 int i, flags;
1050
1051 ic = &sc->ic;
1052
1053 /* set supported channels for 2GHz band */
1054
1055 for (i = 1; i <= 14; i++)
1056 {
1057 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1058
1059 /* find the center channel */
1060
1061 cent = ieee80211_find_channel_byieee(ic, i,
1062 flags & ~IEEE80211_CHAN_HT);
1063 if (cent == NULL)
1064 {
1065 printf("%s: skip channel %d, could not find center channel\n",
1066 device_get_nameunit(sc->dev), i);
1067 continue;
1068 }
1069
1070 /* find the extension channel */
1071
1072 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1073 flags & ~IEEE80211_CHAN_HT);
1074 if (ext == NULL)
1075 {
1076 printf("%s: skip channel %d, could not find extension channel\n",
1077 device_get_nameunit(sc->dev), i);
1078 continue;
1079 }
1080
1081 c = &ic->ic_channels[ic->ic_nchans++];
1082
1083 *c = *cent;
1084 c->ic_extieee = ext->ic_ieee;
1085 c->ic_flags &= ~IEEE80211_CHAN_HT;
1086 c->ic_flags |= IEEE80211_CHAN_HT40U;
1087
1088 c = &ic->ic_channels[ic->ic_nchans++];
1089
1090 *c = *ext;
1091 c->ic_extieee = cent->ic_ieee;
1092 c->ic_flags &= ~IEEE80211_CHAN_HT;
1093 c->ic_flags |= IEEE80211_CHAN_HT40D;
1094 }
1095
1096 /* set supported channels for 5GHz band */
1097
1098 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1099 sc->rf_rev == RT2870_EEPROM_RF_2750)
1100 {
1101 for (i = 36; i <= 64; i += 4)
1102 {
1103 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1104
1105 /* find the center channel */
1106
1107 cent = ieee80211_find_channel_byieee(ic, i,
1108 flags & ~IEEE80211_CHAN_HT);
1109 if (cent == NULL)
1110 {
1111 printf("%s: skip channel %d, could not find center channel\n",
1112 device_get_nameunit(sc->dev), i);
1113 continue;
1114 }
1115
1116 /* find the extension channel */
1117
1118 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1119 flags & ~IEEE80211_CHAN_HT);
1120 if (ext == NULL)
1121 {
1122 printf("%s: skip channel %d, could not find extension channel\n",
1123 device_get_nameunit(sc->dev), i);
1124 continue;
1125 }
1126
1127 c = &ic->ic_channels[ic->ic_nchans++];
1128
1129 *c = *cent;
1130 c->ic_extieee = ext->ic_ieee;
1131 c->ic_flags &= ~IEEE80211_CHAN_HT;
1132 c->ic_flags |= IEEE80211_CHAN_HT40U;
1133
1134 c = &ic->ic_channels[ic->ic_nchans++];
1135
1136 *c = *ext;
1137 c->ic_extieee = cent->ic_ieee;
1138 c->ic_flags &= ~IEEE80211_CHAN_HT;
1139 c->ic_flags |= IEEE80211_CHAN_HT40D;
1140 }
1141
1142 for (i = 100; i <= 140; i += 4)
1143 {
1144 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1145
1146 /* find the center channel */
1147
1148 cent = ieee80211_find_channel_byieee(ic, i,
1149 flags & ~IEEE80211_CHAN_HT);
1150 if (cent == NULL)
1151 {
1152 printf("%s: skip channel %d, could not find center channel\n",
1153 device_get_nameunit(sc->dev), i);
1154 continue;
1155 }
1156
1157 /* find the extension channel */
1158
1159 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1160 flags & ~IEEE80211_CHAN_HT);
1161 if (ext == NULL)
1162 {
1163 printf("%s: skip channel %d, could not find extension channel\n",
1164 device_get_nameunit(sc->dev), i);
1165 continue;
1166 }
1167
1168 c = &ic->ic_channels[ic->ic_nchans++];
1169
1170 *c = *cent;
1171 c->ic_extieee = ext->ic_ieee;
1172 c->ic_flags &= ~IEEE80211_CHAN_HT;
1173 c->ic_flags |= IEEE80211_CHAN_HT40U;
1174
1175 c = &ic->ic_channels[ic->ic_nchans++];
1176
1177 *c = *ext;
1178 c->ic_extieee = cent->ic_ieee;
1179 c->ic_flags &= ~IEEE80211_CHAN_HT;
1180 c->ic_flags |= IEEE80211_CHAN_HT40D;
1181 }
1182
1183 for (i = 149; i <= 165; i += 4)
1184 {
1185 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1186
1187 /* find the center channel */
1188
1189 cent = ieee80211_find_channel_byieee(ic, i,
1190 flags & ~IEEE80211_CHAN_HT);
1191 if (cent == NULL)
1192 {
1193 printf("%s: skip channel %d, could not find center channel\n",
1194 device_get_nameunit(sc->dev), i);
1195 continue;
1196 }
1197
1198 /* find the extension channel */
1199
1200 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1201 flags & ~IEEE80211_CHAN_HT);
1202 if (ext == NULL)
1203 {
1204 printf("%s: skip channel %d, could not find extension channel\n",
1205 device_get_nameunit(sc->dev), i);
1206 continue;
1207 }
1208
1209 c = &ic->ic_channels[ic->ic_nchans++];
1210
1211 *c = *cent;
1212 c->ic_extieee = ext->ic_ieee;
1213 c->ic_flags &= ~IEEE80211_CHAN_HT;
1214 c->ic_flags |= IEEE80211_CHAN_HT40U;
1215
1216 c = &ic->ic_channels[ic->ic_nchans++];
1217
1218 *c = *ext;
1219 c->ic_extieee = cent->ic_ieee;
1220 c->ic_flags &= ~IEEE80211_CHAN_HT;
1221 c->ic_flags |= IEEE80211_CHAN_HT40D;
1222 }
1223 }
1224 }
1225
1226 /*
1227 * rt2870_init_locked
1228 */
1229 static void rt2870_init_locked(void *priv)
1230 {
1231 struct rt2870_softc *sc;
1232 struct ieee80211com *ic;
1233 struct ifnet *ifp;
1234 struct rt2870_softc_rx_data *data;
1235 int ntries, error, i;
1236 uint32_t tmp, stacnt[6];
1237
1238 sc = priv;
1239 ic = &sc->ic;
1240 ifp = ic->ic_ifp;
1241
1242 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1243 "%s: initializing\n",
1244 device_get_nameunit(sc->dev));
1245
1246 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1247 {
1248 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1249 "%s: loading 8051 microcode\n",
1250 device_get_nameunit(sc->dev));
1251
1252 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1253 if (error != 0)
1254 {
1255 printf("%s: could not load 8051 microcode\n",
1256 device_get_nameunit(sc->dev));
1257 goto fail;
1258 }
1259
1260 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1261 "%s: 8051 microcode was successfully loaded\n",
1262 device_get_nameunit(sc->dev));
1263
1264 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1265 }
1266
1267 /* wait while DMA engine is busy */
1268
1269 for (ntries = 0; ntries < 100; ntries++)
1270 {
1271 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1272 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1273 break;
1274
1275 DELAY(1000);
1276 }
1277
1278 if (ntries == 100)
1279 {
1280 printf("%s: timeout waiting for DMA engine\n",
1281 device_get_nameunit(sc->dev));
1282 goto fail;
1283 }
1284
1285 tmp &= 0xff0;
1286 tmp |= RT2870_REG_TX_WB_DDONE;
1287
1288 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1289
1290 /* PBF hardware reset */
1291
1292 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1293
1294 tmp &= ~(1 << 13);
1295
1296 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1297
1298 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1299 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1300
1301 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1302
1303 rt2870_io_mcu_reset(sc);
1304
1305 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1306
1307 /* init Tx power per rate */
1308
1309 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1310 {
1311 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1312 continue;
1313
1314 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1315 sc->txpow_rate_20mhz[i]);
1316 }
1317
1318 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1319 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1320 rt2870_def_mac[i].val);
1321
1322 /* wait while MAC is busy */
1323
1324 for (ntries = 0; ntries < 100; ntries++)
1325 {
1326 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1327 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1328 break;
1329
1330 DELAY(1000);
1331 }
1332
1333 if (ntries == 100)
1334 {
1335 printf("%s: timeout waiting for MAC\n",
1336 device_get_nameunit(sc->dev));
1337 goto fail;
1338 }
1339
1340 /* clear Host to MCU mailbox */
1341
1342 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1343 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1344
1345 DELAY(1000);
1346
1347 error = rt2870_init_bbp(sc);
1348 if (error != 0)
1349 goto fail;
1350
1351 /* set up maximum buffer sizes */
1352
1353 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1354
1355 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1356 {
1357 tmp &= 0xfff;
1358 tmp |= 0x2000;
1359 }
1360
1361 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1362
1363 /* set mac address */
1364
1365 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1366
1367 rt2870_asic_set_macaddr(sc, ic->ic_myaddr);
1368
1369 /* clear statistic registers */
1370
1371 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1372 stacnt, sizeof(stacnt));
1373
1374 /* send LEDs operating mode to microcontroller */
1375
1376 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1377 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1378 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1379 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1380 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1381 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1382
1383 /* write vendor-specific BBP values (from EEPROM) */
1384
1385 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1386 {
1387 if (sc->bbp_eeprom[i].reg == 0x00 ||
1388 sc->bbp_eeprom[i].reg == 0xff)
1389 continue;
1390
1391 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1392 sc->bbp_eeprom[i].val);
1393 }
1394
1395 /* disable non-existing Rx chains */
1396
1397 tmp = rt2870_io_bbp_read(sc, 3);
1398
1399 tmp &= ~((1 << 4) | (1 << 3));
1400
1401 if (sc->nrxpath == 3)
1402 tmp |= (1 << 4);
1403 else if (sc->nrxpath == 2)
1404 tmp |= (1 << 3);
1405
1406 rt2870_io_bbp_write(sc, 3, tmp);
1407
1408 /* disable non-existing Tx chains */
1409
1410 tmp = rt2870_io_bbp_read(sc, 1);
1411
1412 tmp &= ~((1 << 4) | (1 << 3));
1413
1414 if (sc->ntxpath == 2)
1415 tmp |= (1 << 4);
1416
1417 rt2870_io_bbp_write(sc, 1, tmp);
1418
1419 /* set current channel */
1420
1421 rt2870_rf_set_chan(sc, ic->ic_curchan);
1422
1423 /* turn radio LED on */
1424
1425 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1426
1427 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1428 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1429
1430 /* set RTS threshold */
1431
1432 rt2870_asic_update_rtsthreshold(sc);
1433
1434 /* set Tx power */
1435
1436 rt2870_asic_update_txpower(sc);
1437
1438 /* set up protection mode */
1439
1440 sc->tx_ampdu_sessions = 0;
1441
1442 rt2870_asic_updateprot(sc);
1443
1444 /* clear beacon frame space (entries = 8, entry size = 512) */
1445
1446 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1447
1448 /* enable Tx/Rx DMA engine */
1449
1450 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
1451
1452 tmp &= 0xffffff00;
1453 tmp |= 0x1e;
1454
1455 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
1456
1457 if ((sc->mac_rev & 0xffff) != 0x0101)
1458 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
1459
1460 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
1461
1462 for (ntries = 0; ntries < 200; ntries++)
1463 {
1464 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1465 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1466 break;
1467
1468 DELAY(1000);
1469 }
1470
1471 if (ntries == 200)
1472 {
1473 printf("%s: timeout waiting for DMA engine\n",
1474 device_get_nameunit(sc->dev));
1475 goto fail;
1476 }
1477
1478 DELAY(50);
1479
1480 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1481 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
1482 (48 << 16) | 96);
1483
1484 tmp |= RT2870_REG_TX_WB_DDONE |
1485 RT2870_REG_RX_DMA_ENABLE |
1486 RT2870_REG_TX_DMA_ENABLE;
1487
1488 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1489
1490 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
1491 RT2870_REG_USB_DMA_RX_ENABLE |
1492 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
1493 /* Rx agg limit in unit of 1024 byte */
1494 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
1495 /* Rx agg timeout in unit of 33ns */
1496 0x80;
1497
1498 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
1499
1500 /* set Rx filter */
1501
1502 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
1503 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
1504
1505 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1506 {
1507 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
1508 RT2870_REG_RX_FILTER_DROP_CTS |
1509 RT2870_REG_RX_FILTER_DROP_BA |
1510 RT2870_REG_RX_FILTER_DROP_ACK |
1511 RT2870_REG_RX_FILTER_DROP_VER_ERR |
1512 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
1513 RT2870_REG_RX_FILTER_DROP_CFACK |
1514 RT2870_REG_RX_FILTER_DROP_CFEND;
1515
1516 if (ic->ic_opmode == IEEE80211_M_STA)
1517 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
1518 RT2870_REG_RX_FILTER_DROP_PSPOLL;
1519
1520 if (!(ifp->if_flags & IFF_PROMISC))
1521 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
1522 }
1523
1524 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
1525
1526 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1527 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1528
1529 /* clear garbage interrupts */
1530
1531 tmp = rt2870_io_mac_read(sc, 0x1300);
1532
1533 taskqueue_unblock(sc->taskqueue);
1534
1535 /* init Tx and Rx rings */
1536
1537 for(i = 0; i < sc->usb_endpoints - 1; i++)
1538 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1539
1540 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1541
1542 /* start up the receive pipe */
1543
1544 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1545 {
1546 data = &sc->rx_ring.data[i];
1547
1548 STAILQ_INSERT_TAIL(&sc->rx_ring.active, data, next);
1549
1550 usbd_setup_xfer(data->xfer, sc->rx_ring.usb_pipe, sc, data->buf,
1551 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
1552 USBD_NO_TIMEOUT, rt2870_rx_intr);
1553
1554 usbd_transfer(data->xfer);
1555 }
1556
1557 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1558 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1559
1560 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1561 {
1562 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1563 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1564 }
1565 else
1566 {
1567 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1568 }
1569
1570 sc->periodic_round = 0;
1571
1572 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1573
1574 return;
1575
1576 fail:
1577
1578 rt2870_stop_locked(sc);
1579 }
1580
1581 /*
1582 * rt2870_init
1583 */
1584 static void rt2870_init(void *priv)
1585 {
1586 struct rt2870_softc *sc;
1587
1588 sc = priv;
1589
1590 rt2870_init_locked(sc);
1591 }
1592
1593 /*
1594 * rt2870_init_bbp
1595 */
1596 static int rt2870_init_bbp(struct rt2870_softc *sc)
1597 {
1598 int ntries, i;
1599 uint8_t tmp;
1600
1601 for (ntries = 0; ntries < 20; ntries++)
1602 {
1603 tmp = rt2870_io_bbp_read(sc, 0);
1604 if (tmp != 0x00 && tmp != 0xff)
1605 break;
1606 }
1607
1608 if (tmp == 0x00 || tmp == 0xff)
1609 {
1610 printf("%s: timeout waiting for BBP to wakeup\n",
1611 device_get_nameunit(sc->dev));
1612 return ETIMEDOUT;
1613 }
1614
1615 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1616 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1617 rt2870_def_bbp[i].val);
1618
1619 if ((sc->mac_rev & 0xffff) != 0x0101)
1620 rt2870_io_bbp_write(sc, 84, 0x19);
1621
1622 return 0;
1623 }
1624
1625 /*
1626 * rt2870_stop
1627 */
1628 static void rt2870_stop_locked(void *priv)
1629 {
1630 struct rt2870_softc *sc;
1631 struct ieee80211com *ic;
1632 struct ifnet *ifp;
1633 uint32_t tmp;
1634 int i;
1635
1636 sc = priv;
1637 ic = &sc->ic;
1638 ifp = ic->ic_ifp;
1639
1640 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1641 "%s: stopping\n",
1642 device_get_nameunit(sc->dev));
1643
1644 sc->tx_timer = 0;
1645
1646 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1647
1648 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1649
1650 callout_stop(&sc->periodic_ch);
1651 callout_stop(&sc->tx_watchdog_ch);
1652
1653 taskqueue_block(sc->taskqueue);
1654
1655 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1656 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1657 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1658 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1659
1660 /* clear key tables */
1661
1662 rt2870_asic_clear_keytables(sc);
1663
1664 /* disable Tx/Rx */
1665
1666 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1667
1668 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1669
1670 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1671
1672 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1673
1674 /* reset adapter */
1675
1676 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1677 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1678 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1679
1680 /* abort any pending transfers */
1681
1682 if (sc->rx_ring.usb_pipe != NULL)
1683 usbd_abort_pipe(sc->rx_ring.usb_pipe);
1684
1685 for (i = 0; i < sc->usb_endpoints - 1; i++)
1686 if (sc->tx_ring[i].usb_pipe != NULL)
1687 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
1688
1689 if (sc->beacon_mbuf != NULL)
1690 {
1691 m_free(sc->beacon_mbuf);
1692 sc->beacon_mbuf = NULL;
1693 }
1694
1695 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1696 }
1697
1698 /*
1699 * rt2870_stop
1700 */
1701 static void rt2870_stop(void *priv)
1702 {
1703 struct rt2870_softc *sc;
1704
1705 sc = priv;
1706
1707 rt2870_stop_locked(sc);
1708 }
1709
1710 /*
1711 * rt2870_start
1712 */
1713 static void rt2870_start(struct ifnet *ifp)
1714 {
1715 struct rt2870_softc *sc;
1716 struct ieee80211com *ic;
1717 struct ieee80211_node *ni;
1718 struct ether_header *eh;
1719 struct mbuf *m;
1720 int qid;
1721
1722 sc = ifp->if_softc;
1723 ic = &sc->ic;
1724
1725 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1726 return;
1727
1728 for (;;)
1729 {
1730 IF_POLL(&ic->ic_mgtq, m);
1731 if (m != NULL)
1732 {
1733 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1734 {
1735 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1736 "%s: if_start: Tx ring with qid=%d is full\n",
1737 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1738
1739 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1740
1741 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1742
1743 break;
1744 }
1745
1746 IF_DEQUEUE(&ic->ic_mgtq, m);
1747 if (m == NULL)
1748 break;
1749
1750 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1751
1752 m->m_pkthdr.rcvif = NULL;
1753
1754 if (bpf_peers_present(ic->ic_rawbpf))
1755 bpf_mtap(ic->ic_rawbpf, m);
1756
1757 if (rt2870_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1758 break;
1759 }
1760 else
1761 {
1762 if (ic->ic_state != IEEE80211_S_RUN)
1763 break;
1764
1765 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1766 if (m == NULL)
1767 break;
1768
1769 if (ic->ic_flags & IEEE80211_F_SCAN)
1770 ieee80211_cancel_scan(ic);
1771
1772 if (m->m_len < sizeof(struct ether_header) &&
1773 !(m = m_pullup(m, sizeof (struct ether_header))))
1774 continue;
1775
1776 eh = mtod(m, struct ether_header *);
1777
1778 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1779 if (ni == NULL)
1780 {
1781 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1782 "%s: if_start: could not find Tx node\n",
1783 device_get_nameunit(sc->dev));
1784
1785 m_freem(m);
1786
1787 continue;
1788 }
1789
1790 ieee80211_classify(ic, m, ni);
1791
1792 qid = M_WME_GETAC(m);
1793
1794 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1795 {
1796 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1797 "%s: if_start: Tx ring with qid=%d is full\n",
1798 device_get_nameunit(sc->dev), qid);
1799
1800 m_freem(m);
1801 ieee80211_free_node(ni);
1802
1803 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1804 ifp->if_oerrors++;
1805
1806 sc->tx_data_queue_full[qid]++;
1807
1808 break;
1809 }
1810
1811 BPF_MTAP(ifp, m);
1812
1813 m = ieee80211_encap(ic, m, ni);
1814 if (m == NULL)
1815 {
1816 ieee80211_free_node(ni);
1817
1818 ifp->if_oerrors++;
1819
1820 continue;
1821 }
1822
1823 if (bpf_peers_present(ic->ic_rawbpf))
1824 bpf_mtap(ic->ic_rawbpf, m);
1825
1826 if (rt2870_tx_frame(sc, m, ni, qid) != 0)
1827 {
1828 ieee80211_free_node(ni);
1829
1830 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1831 ifp->if_oerrors++;
1832
1833 break;
1834 }
1835 }
1836
1837 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1838
1839 ic->ic_lastdata = ticks;
1840
1841 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1842 }
1843 }
1844
1845 /*
1846 * rt2870_ioctl
1847 */
1848 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1849 {
1850 struct rt2870_softc *sc;
1851 struct ieee80211com *ic;
1852 int error;
1853
1854 sc = ifp->if_softc;
1855 ic = &sc->ic;
1856
1857 error = 0;
1858
1859 switch (cmd)
1860 {
1861 case SIOCSIFFLAGS:
1862 if (ifp->if_flags & IFF_UP)
1863 {
1864 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1865 {
1866 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1867 rt2870_asic_update_promisc(sc);
1868 }
1869 else
1870 {
1871 rt2870_init_locked(sc);
1872 }
1873 }
1874 else
1875 {
1876 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1877 rt2870_stop_locked(sc);
1878 }
1879
1880 sc->if_flags = ifp->if_flags;
1881 break;
1882
1883 default:
1884 error = ieee80211_ioctl(ic, cmd, data);
1885 }
1886
1887 if (error == ENETRESET)
1888 {
1889 if ((ifp->if_flags & IFF_UP) &&
1890 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1891 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1892 {
1893 rt2870_stop_locked(sc);
1894 rt2870_init_locked(sc);
1895 }
1896
1897 error = 0;
1898 }
1899
1900 return error;
1901 }
1902
1903 /*
1904 * rt2870_reset
1905 */
1906 static int rt2870_reset(struct ifnet *ifp)
1907 {
1908 struct rt2870_softc *sc;
1909 struct ieee80211com *ic;
1910
1911 sc = ifp->if_softc;
1912 ic = &sc->ic;
1913
1914 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1915 return ENETRESET;
1916
1917 rt2870_rf_set_chan(sc, ic->ic_curchan);
1918
1919 return 0;
1920 }
1921
1922 /*
1923 * rt2870_newstate
1924 */
1925 static int rt2870_newstate(struct ieee80211com *ic,
1926 enum ieee80211_state nstate, int arg)
1927 {
1928 struct rt2870_softc *sc;
1929 struct ifnet *ifp;
1930 struct rt2870_cmd_argv_newstate cmd_argv;
1931
1932 ifp = ic->ic_ifp;
1933 sc = ifp->if_softc;
1934
1935 cmd_argv.nstate = nstate;
1936 cmd_argv.arg = arg;
1937
1938 rt2870_do_async(sc, rt2870_newstate_cb, &cmd_argv,
1939 sizeof(struct rt2870_cmd_argv_newstate));
1940
1941 return 0;
1942 }
1943
1944 /*
1945 * rt2870_scan_start
1946 */
1947 static void rt2870_scan_start(struct ieee80211com *ic)
1948 {
1949 struct rt2870_softc *sc;
1950 struct ifnet *ifp;
1951
1952 ifp = ic->ic_ifp;
1953 sc = ifp->if_softc;
1954
1955 rt2870_do_async(sc, rt2870_scan_start_cb, NULL, 0);
1956 }
1957
1958 /*
1959 * rt2870_scan_end
1960 */
1961 static void rt2870_scan_end(struct ieee80211com *ic)
1962 {
1963 struct rt2870_softc *sc;
1964 struct ifnet *ifp;
1965
1966 ifp = ic->ic_ifp;
1967 sc = ifp->if_softc;
1968
1969 rt2870_do_async(sc, rt2870_scan_end_cb, NULL, 0);
1970 }
1971
1972 /*
1973 * rt2870_set_channel
1974 */
1975 static void rt2870_set_channel(struct ieee80211com *ic)
1976 {
1977 struct rt2870_softc *sc;
1978 struct ifnet *ifp;
1979
1980 ifp = ic->ic_ifp;
1981 sc = ifp->if_softc;
1982
1983 rt2870_do_async(sc, rt2870_set_channel_cb, NULL, 0);
1984 }
1985
1986 /*
1987 * rt2870_newassoc
1988 */
1989 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
1990 {
1991 struct rt2870_softc *sc;
1992 struct ieee80211com *ic;
1993 struct ifnet *ifp;
1994 struct rt2870_cmd_argv_newassoc cmd_argv;
1995
1996 ic = ni->ni_ic;
1997 ifp = ic->ic_ifp;
1998 sc = ifp->if_softc;
1999
2000 cmd_argv.isnew = isnew;
2001 memcpy(cmd_argv.macaddr, ni->ni_macaddr, IEEE80211_ADDR_LEN);
2002
2003 rt2870_do_async(sc, rt2870_newassoc_cb, &cmd_argv,
2004 sizeof(struct rt2870_cmd_argv_newassoc));
2005 }
2006
2007 /*
2008 * rt2870_updateslot
2009 */
2010 static void rt2870_updateslot(struct ifnet *ifp)
2011 {
2012 struct rt2870_softc *sc;
2013
2014 sc = ifp->if_softc;
2015
2016 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2017 }
2018
2019 /*
2020 * rt2870_wme_update
2021 */
2022 static int rt2870_wme_update(struct ieee80211com *ic)
2023 {
2024 struct rt2870_softc *sc;
2025 struct ifnet *ifp;
2026
2027 ifp = ic->ic_ifp;
2028 sc = ifp->if_softc;
2029
2030 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2031
2032 return 0;
2033 }
2034
2035 /*
2036 * rt2870_update_beacon
2037 */
2038 static void rt2870_update_beacon(struct ieee80211com *ic, int what)
2039 {
2040 struct rt2870_softc *sc;
2041 struct ifnet *ifp;
2042 struct rt2870_cmd_argv_updatebeacon cmd_argv;
2043
2044 ifp = ic->ic_ifp;
2045 sc = ifp->if_softc;
2046
2047 cmd_argv.what = what;
2048
2049 rt2870_do_async(sc, rt2870_update_beacon_cb, &cmd_argv,
2050 sizeof(struct rt2870_cmd_argv_updatebeacon));
2051 }
2052
2053 /*
2054 * rt2870_key_update_begin
2055 */
2056 static void rt2870_key_update_begin(struct ieee80211com *ic)
2057 {
2058 struct rt2870_softc *sc;
2059 struct ifnet *ifp;
2060
2061 ifp = ic->ic_ifp;
2062 sc = ifp->if_softc;
2063
2064 rt2870_do_async(sc, rt2870_key_update_begin_cb, NULL, 0);
2065 }
2066
2067 /*
2068 * rt2870_key_update_end
2069 */
2070 static void rt2870_key_update_end(struct ieee80211com *ic)
2071 {
2072 struct rt2870_softc *sc;
2073 struct ifnet *ifp;
2074
2075 ifp = ic->ic_ifp;
2076 sc = ifp->if_softc;
2077
2078 rt2870_do_async(sc, rt2870_key_update_end_cb, NULL, 0);
2079 }
2080
2081 /*
2082 * rt2870_key_set
2083 */
2084 static int rt2870_key_set(struct ieee80211com *ic,
2085 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2086 {
2087 struct rt2870_softc *sc;
2088 struct ifnet *ifp;
2089 struct ieee80211_node *ni;
2090 struct rt2870_softc_node *rni;
2091 struct rt2870_cmd_argv_keyset cmd_argv;
2092
2093 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2094 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2095 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2096 return EINVAL;
2097
2098 ifp = ic->ic_ifp;
2099 sc = ifp->if_softc;
2100
2101 cmd_argv.opmode = ic->ic_opmode;
2102
2103 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2104
2105 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2106 {
2107 ni = ieee80211_find_node(&ic->ic_sta, mac);
2108 rni = (struct rt2870_softc_node *) ni;
2109
2110 cmd_argv.staid = rni->staid;
2111
2112 ieee80211_free_node(ni);
2113 }
2114
2115 rt2870_do_async(sc, rt2870_key_set_cb, &cmd_argv,
2116 sizeof(struct rt2870_cmd_argv_keyset));
2117
2118 return 1;
2119 }
2120
2121 /*
2122 * rt2870_key_delete
2123 */
2124 static int rt2870_key_delete(struct ieee80211com *ic,
2125 const struct ieee80211_key *k)
2126 {
2127 struct rt2870_softc *sc;
2128 struct ifnet *ifp;
2129 struct rt2870_cmd_argv_keydelete cmd_argv;
2130
2131 ifp = ic->ic_ifp;
2132 sc = ifp->if_softc;
2133
2134 cmd_argv.opmode = ic->ic_opmode;
2135
2136 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2137
2138 rt2870_do_async(sc, rt2870_key_delete_cb, &cmd_argv,
2139 sizeof(struct rt2870_cmd_argv_keydelete));
2140
2141 return 1;
2142 }
2143
2144 /*
2145 * rt2870_raw_xmit
2146 */
2147 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2148 const struct ieee80211_bpf_params *params)
2149 {
2150 struct ieee80211com *ic;
2151 struct ifnet *ifp;
2152 struct rt2870_softc *sc;
2153
2154 ic = ni->ni_ic;
2155 ifp = ic->ic_ifp;
2156 sc = ifp->if_softc;
2157
2158 return 0;
2159 }
2160
2161 /*
2162 * rt2870_media_change
2163 */
2164 static int rt2870_media_change(struct ifnet *ifp)
2165 {
2166 struct rt2870_softc *sc;
2167 int error;
2168
2169 sc = ifp->if_softc;
2170
2171 error = ieee80211_media_change(ifp);
2172 if (error != ENETRESET)
2173 return error;
2174
2175 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2176 {
2177 rt2870_stop(sc);
2178 rt2870_init(sc);
2179 }
2180
2181 return 0;
2182 }
2183
2184 /*
2185 * rt2870_node_alloc
2186 */
2187 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211_node_table *nt)
2188 {
2189 return malloc(sizeof(struct rt2870_softc_node),
2190 M_80211_NODE, M_NOWAIT | M_ZERO);
2191 }
2192
2193 /*
2194 * rt2870_node_cleanup
2195 */
2196 static void rt2870_node_cleanup(struct ieee80211_node *ni)
2197 {
2198 struct rt2870_softc *sc;
2199 struct ieee80211com *ic;
2200 struct ifnet *ifp;
2201 struct ieee80211_rx_ampdu *rx_ampdu;
2202 struct rt2870_softc_node *rni;
2203 struct rt2870_cmd_argv_nodecleanup cmd_argv;
2204 int i;
2205
2206 ic = ni->ni_ic;
2207 ifp = ic->ic_ifp;
2208 sc = ifp->if_softc;
2209 rni = (struct rt2870_softc_node *) ni;
2210
2211 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2212 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2213 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2214 ni->ni_associd, rni->staid);
2215
2216 if (rni->staid != 0)
2217 {
2218 cmd_argv.staid = rni->staid;
2219
2220 rni->staid = 0;
2221
2222 for (i = 0; i < WME_NUM_TID; i++)
2223 {
2224 rx_ampdu = &ni->ni_rx_ampdu[i];
2225
2226 if (rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND)
2227 {
2228 if (sc->rx_ampdu_sessions > 0)
2229 sc->rx_ampdu_sessions--;
2230 else
2231 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2232 device_get_nameunit(sc->dev));
2233 }
2234 }
2235
2236 rt2870_do_async(sc, rt2870_node_cleanup_cb,
2237 &cmd_argv, sizeof(struct rt2870_cmd_argv_nodecleanup));
2238 }
2239
2240 sc->node_cleanup(ni);
2241 }
2242
2243 /*
2244 * rt2870_recv_action
2245 */
2246 static void rt2870_recv_action(struct ieee80211_node *ni,
2247 const uint8_t *frm, const uint8_t *efrm)
2248 {
2249 struct rt2870_softc *sc;
2250 struct ieee80211com *ic;
2251 struct ifnet *ifp;
2252 struct ieee80211_rx_ampdu *rx_ampdu;
2253 struct rt2870_softc_node *rni;
2254 const struct ieee80211_action *ia;
2255 uint16_t baparamset;
2256 int tid;
2257 uint8_t wcid;
2258
2259 ic = ni->ni_ic;
2260 ifp = ic->ic_ifp;
2261 sc = ifp->if_softc;
2262 rni = (struct rt2870_softc_node *) ni;
2263
2264 ia = (const struct ieee80211_action *) frm;
2265
2266 if (ia->ia_category == IEEE80211_ACTION_CAT_BA)
2267 {
2268 switch (ia->ia_action)
2269 {
2270 /* IEEE80211_ACTION_BA_DELBA */
2271 case IEEE80211_ACTION_BA_DELBA:
2272 baparamset = LE_READ_2(frm + 2);
2273 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2274 rx_ampdu = &ni->ni_rx_ampdu[tid];
2275 wcid = rni->staid;
2276
2277 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2278 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2279 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2280
2281 if (rni->staid != 0)
2282 {
2283 rt2870_asic_del_ba_session(sc, wcid, tid);
2284
2285 if (rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND)
2286 {
2287 if (sc->rx_ampdu_sessions > 0)
2288 sc->rx_ampdu_sessions--;
2289 else
2290 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2291 device_get_nameunit(sc->dev));
2292 }
2293 }
2294 break;
2295 }
2296 }
2297
2298 sc->recv_action(ni, frm, efrm);
2299 }
2300
2301 /*
2302 * rt2870_send_action
2303 */
2304 static int rt2870_send_action(struct ieee80211_node *ni,
2305 int category, int action, uint16_t args[4])
2306 {
2307 struct rt2870_softc *sc;
2308 struct ieee80211com *ic;
2309 struct ifnet *ifp;
2310 struct ieee80211_rx_ampdu *rx_ampdu;
2311 struct rt2870_softc_node *rni;
2312 uint16_t status, baparamset;
2313 uint8_t wcid;
2314 int tid, bufsize;
2315
2316 ic = ni->ni_ic;
2317 ifp = ic->ic_ifp;
2318 sc = ifp->if_softc;
2319 rni = (struct rt2870_softc_node *) ni;
2320
2321 wcid = rni->staid;
2322
2323 if (category == IEEE80211_ACTION_CAT_BA)
2324 {
2325 switch (action)
2326 {
2327 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2328 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2329 status = args[1];
2330 baparamset = args[2];
2331 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2332 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2333 rx_ampdu = &ni->ni_rx_ampdu[tid];
2334
2335 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2336 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2337 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2338
2339 if (status == IEEE80211_STATUS_SUCCESS)
2340 {
2341 rt2870_asic_add_ba_session(sc, wcid, tid);
2342
2343 sc->rx_ampdu_sessions++;
2344 }
2345 break;
2346
2347 /* IEEE80211_ACTION_BA_DELBA */
2348 case IEEE80211_ACTION_BA_DELBA:
2349 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2350 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2351 rx_ampdu = &ni->ni_rx_ampdu[tid];
2352
2353 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2354 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2355 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2356
2357 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2358 {
2359 rt2870_asic_del_ba_session(sc, wcid, tid);
2360
2361 if (rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND)
2362 {
2363 if (sc->rx_ampdu_sessions > 0)
2364 sc->rx_ampdu_sessions--;
2365 else
2366 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2367 device_get_nameunit(sc->dev));
2368 }
2369 }
2370 break;
2371 }
2372 }
2373
2374 return sc->send_action(ni, category, action, args);
2375 }
2376
2377 /*
2378 * rt2870_addba_response
2379 */
2380 static int rt2870_addba_response(struct ieee80211_node *ni,
2381 struct ieee80211_tx_ampdu *tap,
2382 int status, int baparamset, int batimeout)
2383 {
2384 struct rt2870_softc *sc;
2385 struct ieee80211com *ic;
2386 struct ifnet *ifp;
2387 struct rt2870_softc_node *rni;
2388 ieee80211_seq seqno;
2389 int ret, tid, old_bufsize, new_bufsize;
2390
2391 ic = ni->ni_ic;
2392 ifp = ic->ic_ifp;
2393 sc = ifp->if_softc;
2394 rni = (struct rt2870_softc_node *) ni;
2395
2396 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2397 old_bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2398 new_bufsize = old_bufsize;
2399
2400 if (status == IEEE80211_STATUS_SUCCESS)
2401 {
2402 if (sc->mac_rev >= 0x28830300)
2403 {
2404 if (sc->mac_rev >= 0x30700200)
2405 new_bufsize = 13;
2406 else
2407 new_bufsize = 31;
2408 }
2409 else if (sc->mac_rev >= 0x28720200)
2410 {
2411 new_bufsize = 13;
2412 }
2413 else
2414 {
2415 new_bufsize = 7;
2416 }
2417
2418 if (old_bufsize > new_bufsize)
2419 {
2420 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2421 baparamset = RT2870_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
2422 }
2423
2424 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2425 {
2426 sc->tx_ampdu_sessions++;
2427
2428 if (sc->tx_ampdu_sessions == 1)
2429 rt2870_asic_updateprot(sc);
2430 }
2431 }
2432
2433 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2434 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
2435 "old bufsize=%d, new bufsize=%d\n",
2436 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
2437 old_bufsize, new_bufsize);
2438
2439 ret = sc->addba_response(ni, tap, status, baparamset, batimeout);
2440
2441 if (status == IEEE80211_STATUS_SUCCESS)
2442 {
2443 seqno = ni->ni_txseqs[tid];
2444
2445 rt2870_send_bar(ni, tap, seqno);
2446 }
2447
2448 return ret;
2449 }
2450
2451 /*
2452 * rt2870_addba_stop
2453 */
2454 static void rt2870_addba_stop(struct ieee80211_node *ni,
2455 struct ieee80211_tx_ampdu *tap)
2456 {
2457 struct rt2870_softc *sc;
2458 struct ieee80211com *ic;
2459 struct ifnet *ifp;
2460 struct rt2870_softc_node *rni;
2461 int tid;
2462
2463 ic = ni->ni_ic;
2464 ifp = ic->ic_ifp;
2465 sc = ifp->if_softc;
2466 rni = (struct rt2870_softc_node *) ni;
2467
2468 tid = WME_AC_TO_TID(tap->txa_ac);
2469
2470 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2471 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2472 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2473
2474 if (tap->txa_flags & IEEE80211_AGGR_RUNNING)
2475 {
2476 if (sc->tx_ampdu_sessions > 0)
2477 {
2478 sc->tx_ampdu_sessions--;
2479
2480 if (sc->tx_ampdu_sessions == 0)
2481 rt2870_asic_updateprot(sc);
2482 }
2483 else
2484 {
2485 printf("%s: number of A-MPDU Tx sessions cannot be negative\n",
2486 device_get_nameunit(sc->dev));
2487 }
2488 }
2489
2490 sc->addba_stop(ni, tap);
2491 }
2492
2493 /*
2494 * rt2870_send_bar
2495 */
2496 static int rt2870_send_bar(struct ieee80211_node *ni,
2497 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
2498 {
2499 struct rt2870_softc *sc;
2500 struct ieee80211com *ic;
2501 struct ifnet *ifp;
2502 struct ieee80211_frame_bar *bar;
2503 struct rt2870_softc_node *rni;
2504 struct mbuf *m;
2505 uint16_t barctl, barseqctl;
2506 uint8_t *frm;
2507 int tid;
2508
2509 ic = ni->ni_ic;
2510 ifp = ic->ic_ifp;
2511 sc = ifp->if_softc;
2512 rni = (struct rt2870_softc_node *) ni;
2513
2514 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2515 return EINVAL;
2516
2517 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
2518 if (m == NULL)
2519 return ENOMEM;
2520
2521 bar = mtod(m, struct ieee80211_frame_bar *);
2522
2523 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
2524 bar->i_fc[1] = 0;
2525
2526 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
2527 IEEE80211_ADDR_COPY(bar->i_ta, ic->ic_myaddr);
2528
2529 tid = WME_AC_TO_TID(tap->txa_ac);
2530
2531 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
2532 IEEE80211_BAR_COMP |
2533 RT2870_SM(tid, IEEE80211_BAR_TID);
2534 barseqctl = RT2870_SM(seqno, IEEE80211_BASEQ_START);
2535
2536 bar->i_ctl = htole16(barctl);
2537 bar->i_seq = htole16(barseqctl);
2538
2539 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
2540 m->m_pkthdr.rcvif = (void *) ni;
2541
2542 tap->txa_start = seqno;
2543
2544 ieee80211_ref_node(ni);
2545
2546 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2547 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
2548 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
2549
2550 IF_ENQUEUE(&ic->ic_mgtq, m);
2551
2552 if_start(ifp);
2553
2554 return 0;
2555 }
2556
2557 /*
2558 * rt2870_amrr_update_iter_func
2559 */
2560 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2561 {
2562 struct rt2870_softc *sc;
2563 struct ieee80211com *ic;
2564 struct rt2870_softc_node *rni;
2565 uint8_t wcid;
2566
2567 sc = arg;
2568 ic = &sc->ic;
2569 rni = (struct rt2870_softc_node *) ni;
2570
2571 /* only associated stations */
2572
2573 if (rni->staid != 0)
2574 {
2575 wcid = rni->staid;
2576
2577 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2578 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2579 device_get_nameunit(sc->dev),
2580 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2581
2582 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2583
2584 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2585 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
2586 device_get_nameunit(sc->dev),
2587 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2588 ni->ni_associd, rni->staid,
2589 (ni->ni_flags & IEEE80211_NODE_HT) ?
2590 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2591 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2592 (ni->ni_flags & IEEE80211_NODE_HT) ?
2593 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2594 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2595 }
2596 }
2597
2598 /*
2599 * rt2870_periodic
2600 */
2601 static void rt2870_periodic(void *arg)
2602 {
2603 struct rt2870_softc *sc;
2604 struct ifnet *ifp;
2605
2606 sc = arg;
2607 ifp = sc->ifp;
2608
2609 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2610 "%s: periodic\n",
2611 device_get_nameunit(sc->dev));
2612
2613 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2614 return;
2615
2616 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2617 }
2618
2619 /*
2620 * rt2870_tx_watchdog
2621 */
2622 static void rt2870_tx_watchdog(void *arg)
2623 {
2624 struct rt2870_softc *sc;
2625 struct ifnet *ifp;
2626
2627 sc = arg;
2628 ifp = sc->ifp;
2629
2630 if (sc->tx_timer == 0)
2631 return;
2632
2633 if (--sc->tx_timer == 0)
2634 {
2635 printf("%s: Tx watchdog timeout: resetting\n",
2636 device_get_nameunit(sc->dev));
2637
2638 rt2870_stop_locked(sc);
2639 rt2870_init_locked(sc);
2640
2641 ifp->if_oerrors++;
2642
2643 sc->tx_watchdog_timeouts++;
2644 }
2645
2646 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2647 }
2648
2649 /*
2650 * rt2870_staid_alloc
2651 */
2652 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid)
2653 {
2654 int staid;
2655
2656 if ((aid > 0 && aid < RT2870_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
2657 {
2658 staid = aid;
2659 }
2660 else
2661 {
2662 for (staid = 1; staid < RT2870_SOFTC_STAID_COUNT; staid++)
2663 {
2664 if (isclr(sc->staid_mask, staid))
2665 break;
2666 }
2667 }
2668
2669 setbit(sc->staid_mask, staid);
2670
2671 return staid;
2672 }
2673
2674 /*
2675 * rt2870_staid_delete
2676 */
2677 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid)
2678 {
2679 clrbit(sc->staid_mask, staid);
2680 }
2681
2682 /*
2683 * rt2870_do_async
2684 */
2685 static int rt2870_do_async(struct rt2870_softc *sc,
2686 void (*cb)(struct rt2870_softc *sc, void *arg),
2687 void *arg, int len)
2688 {
2689 struct ifnet *ifp;
2690 struct rt2870_softc_cmd_ring *ring;
2691 struct rt2870_softc_cmd *cmd;
2692 int run_cmd_task;
2693
2694 ifp = sc->ifp;
2695 ring = &sc->cmd_ring;
2696
2697 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2698 return -1;
2699
2700 RT2870_SOFTC_LOCK(sc);
2701
2702 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2703 {
2704 RT2870_SOFTC_UNLOCK(sc);
2705 return -1;
2706 }
2707
2708 cmd = STAILQ_FIRST(&ring->inactive);
2709 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2710
2711 cmd->cb = cb;
2712
2713 if(arg != NULL)
2714 memcpy(cmd->data, arg, len);
2715
2716 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2717 ring->queued++;
2718
2719 run_cmd_task = (ring->queued == 1);
2720
2721 RT2870_SOFTC_UNLOCK(sc);
2722
2723 if (run_cmd_task)
2724 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2725
2726 return 0;
2727 }
2728
2729 /*
2730 * rt2870_newstate_cb
2731 */
2732 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg)
2733 {
2734 struct ieee80211com *ic;
2735 enum ieee80211_state nstate;
2736 struct ieee80211_node *ni;
2737 struct rt2870_cmd_argv_newstate *cmd_argv;
2738 int error;
2739
2740 ic = &sc->ic;
2741 cmd_argv = arg;
2742 nstate = cmd_argv->nstate;
2743
2744 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2745 "%s: newstate: %s -> %s\n",
2746 device_get_nameunit(sc->dev),
2747 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
2748
2749 error = sc->newstate(ic, nstate, cmd_argv->arg);
2750 if (error != 0)
2751 return;
2752
2753 /* turn link LED off */
2754
2755 if (nstate != IEEE80211_S_RUN)
2756 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2757
2758 switch (nstate)
2759 {
2760 case IEEE80211_S_INIT:
2761 rt2870_asic_disable_tsf_sync(sc);
2762 break;
2763
2764 case IEEE80211_S_RUN:
2765 ni = ic->ic_bss;
2766
2767 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2768 rt2870_rf_set_chan(sc, ni->ni_chan);
2769
2770 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2771 {
2772 rt2870_asic_enable_mrr(sc);
2773 rt2870_asic_set_txpreamble(sc);
2774 rt2870_asic_set_basicrates(sc);
2775 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2776 }
2777
2778 if (ic->ic_opmode == IEEE80211_M_STA)
2779 rt2870_newassoc(ni, 1);
2780
2781 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
2782 ic->ic_opmode == IEEE80211_M_IBSS)
2783 {
2784 error = rt2870_beacon_alloc(sc);
2785 if (error != 0)
2786 break;
2787
2788 rt2870_asic_update_beacon(sc);
2789 }
2790
2791 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2792 rt2870_asic_enable_tsf_sync(sc);
2793
2794 /* turn link LED on */
2795
2796 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2797 {
2798 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2799 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2800 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2801 }
2802 break;
2803
2804 default:
2805 break;
2806 }
2807 }
2808
2809 /*
2810 * rt2870_node_cleanup_cb
2811 */
2812 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg)
2813 {
2814 struct ieee80211com *ic;
2815 struct rt2870_cmd_argv_nodecleanup *cmd_argv;
2816 uint8_t staid, vapid, wcid;
2817 uint32_t tmp;
2818
2819 ic = &sc->ic;
2820 cmd_argv = arg;
2821 staid = cmd_argv->staid;
2822
2823 vapid = 0;
2824 wcid = staid;
2825
2826 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2827 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2828
2829 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2830
2831 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), 0x00000000);
2832 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, 0x00000000);
2833
2834 rt2870_staid_delete(sc, staid);
2835 }
2836
2837 /*
2838 * rt2870_scan_start_cb
2839 */
2840 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg)
2841 {
2842 struct ieee80211com *ic;
2843 struct ifnet *ifp;
2844
2845 ic = &sc->ic;
2846 ifp = ic->ic_ifp;
2847
2848 rt2870_asic_disable_tsf_sync(sc);
2849 }
2850
2851 /*
2852 * rt2870_scan_end_cb
2853 */
2854 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg)
2855 {
2856 struct ieee80211com *ic;
2857 struct ieee80211_node *ni;
2858
2859 ic = &sc->ic;
2860 ni = ic->ic_bss;
2861
2862 rt2870_asic_enable_tsf_sync(sc);
2863 }
2864
2865 /*
2866 * rt2870_set_channel_cb
2867 */
2868 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg)
2869 {
2870 struct ieee80211com *ic;
2871
2872 ic = &sc->ic;
2873
2874 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2875 "%s: set channel: channel=%u, HT%s%s\n",
2876 device_get_nameunit(sc->dev),
2877 ieee80211_chan2ieee(ic, ic->ic_curchan),
2878 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2879 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2880 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2881 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2882
2883 rt2870_rf_set_chan(sc, ic->ic_curchan);
2884 }
2885
2886 /*
2887 * rt2870_newassoc_cb
2888 */
2889 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg)
2890 {
2891 struct ieee80211com *ic;
2892 struct ieee80211_node *ni;
2893 struct rt2870_softc_node *rni;
2894 struct rt2870_cmd_argv_newassoc *cmd_argv;
2895 int isnew;
2896 uint8_t *macaddr, wcid;
2897 uint16_t aid;
2898 uint32_t tmp;
2899
2900 ic = &sc->ic;
2901 cmd_argv = arg;
2902 isnew = cmd_argv->isnew;
2903 macaddr = cmd_argv->macaddr;
2904 ni = ieee80211_find_node(&ic->ic_sta, macaddr);
2905 rni = (struct rt2870_softc_node *) ni;
2906
2907 if (isnew)
2908 {
2909 aid = IEEE80211_AID(ni->ni_associd);
2910 rni->staid = rt2870_staid_alloc(sc, aid);
2911 wcid = rni->staid;
2912
2913 tmp = (ni->ni_macaddr[3] << 24) |
2914 (ni->ni_macaddr[2] << 16) |
2915 (ni->ni_macaddr[1] << 8) |
2916 ni->ni_macaddr[0];
2917
2918 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), tmp);
2919
2920 tmp = (ni->ni_macaddr[5] << 8) |
2921 ni->ni_macaddr[4];
2922
2923 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2924
2925 rt2870_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2926
2927 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2928 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2929 device_get_nameunit(sc->dev),
2930 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2931 ni->ni_associd, ni->ni_txrate,
2932 (ni->ni_flags & IEEE80211_NODE_HT) ?
2933 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2934 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2935
2936 rt2870_asic_updateprot(sc);
2937 rt2870_asic_updateslot(sc);
2938 rt2870_asic_set_txpreamble(sc);
2939 }
2940
2941 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2942 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2943 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2944 ni->ni_associd, rni->staid,
2945 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2946 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2947 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2948 }
2949
2950 /*
2951 * rt2870_updateslot_cb
2952 */
2953 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2954 {
2955 rt2870_asic_updateslot(sc);
2956 }
2957
2958 /*
2959 * rt2870_wme_update_cb
2960 */
2961 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2962 {
2963 rt2870_asic_wme_update(sc);
2964 }
2965
2966 /*
2967 * rt2870_update_beacon_cb
2968 */
2969 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2970 {
2971 struct ieee80211com *ic;
2972 struct mbuf *m;
2973 struct ieee80211_beacon_offsets *bo;
2974 struct rt2870_cmd_argv_updatebeacon *cmd_argv;
2975
2976 ic = &sc->ic;
2977 m = sc->beacon_mbuf;
2978 bo = &sc->beacon_offsets;
2979 cmd_argv = arg;
2980
2981 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2982 "%s: update beacon: what=%d\n",
2983 device_get_nameunit(sc->dev), cmd_argv->what);
2984
2985 setbit(bo->bo_flags, cmd_argv->what);
2986
2987 ieee80211_beacon_update(ic->ic_bss, bo, m, 0);
2988
2989 rt2870_asic_update_beacon(sc);
2990 }
2991
2992 /*
2993 * rt2870_key_update_begin_cb
2994 */
2995 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg)
2996 {
2997 struct ifnet *ifp;
2998
2999 ifp = sc->ifp;
3000
3001 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3002 "%s: key update begin\n",
3003 device_get_nameunit(sc->dev));
3004
3005 taskqueue_block(sc->taskqueue);
3006
3007 IF_LOCK(&ifp->if_snd);
3008 }
3009
3010 /*
3011 * rt2870_key_update_end_cb
3012 */
3013 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg)
3014 {
3015 struct ifnet *ifp;
3016
3017 ifp = sc->ifp;
3018
3019 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3020 "%s: key update end\n",
3021 device_get_nameunit(sc->dev));
3022
3023 IF_UNLOCK(&ifp->if_snd);
3024
3025 taskqueue_unblock(sc->taskqueue);
3026 }
3027
3028 /*
3029 * rt2870_key_set_cb
3030 */
3031 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg)
3032 {
3033 struct ieee80211com *ic;
3034 struct ieee80211_key *k;
3035 enum ieee80211_opmode opmode;
3036 struct rt2870_cmd_argv_keyset *cmd_argv;
3037 uint16_t key_base, keymode_base;
3038 uint8_t mode, vapid, wcid, iv[8];
3039 uint32_t tmp;
3040
3041 ic = &sc->ic;
3042 cmd_argv = arg;
3043 k = &cmd_argv->key;
3044 opmode = cmd_argv->opmode;
3045
3046 switch (k->wk_cipher->ic_cipher)
3047 {
3048 case IEEE80211_CIPHER_WEP:
3049 if(k->wk_keylen < 8)
3050 mode = RT2870_REG_CIPHER_MODE_WEP40;
3051 else
3052 mode = RT2870_REG_CIPHER_MODE_WEP104;
3053 break;
3054
3055 case IEEE80211_CIPHER_TKIP:
3056 mode = RT2870_REG_CIPHER_MODE_TKIP;
3057 break;
3058
3059 case IEEE80211_CIPHER_AES_CCM:
3060 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
3061 break;
3062
3063 default:
3064 return;
3065 }
3066
3067 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3068 "%s: key set: keyix=%d, keylen=%d, mode=%d, group=%d\n",
3069 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen,
3070 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3071
3072 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
3073 {
3074 /* install pairwise key */
3075
3076 vapid = 0;
3077 wcid = cmd_argv->staid;
3078 key_base = RT2870_REG_PKEY(wcid);
3079
3080 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3081 {
3082 memset(iv, 0, 8);
3083
3084 iv[3] = (k->wk_keyix << 6);
3085 }
3086 else
3087 {
3088 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3089 {
3090 iv[0] = (k->wk_keytsc >> 8);
3091 iv[1] = ((iv[0] | 0x20) & 0x7f);
3092 iv[2] = k->wk_keytsc;
3093 }
3094 else
3095 {
3096 /* AES CCMP */
3097
3098 iv[0] = k->wk_keytsc;
3099 iv[1] = k->wk_keytsc >> 8;
3100 iv[2] = 0;
3101 }
3102
3103 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3104 iv[4] = (k->wk_keytsc >> 16);
3105 iv[5] = (k->wk_keytsc >> 24);
3106 iv[6] = (k->wk_keytsc >> 32);
3107 iv[7] = (k->wk_keytsc >> 40);
3108
3109 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3110 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3111 device_get_nameunit(sc->dev),
3112 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3113 }
3114
3115 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3116
3117 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3118 {
3119 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3120
3121 if (opmode != IEEE80211_M_HOSTAP)
3122 {
3123 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3124 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3125 }
3126 else
3127 {
3128 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3129 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3130 }
3131 }
3132 else
3133 {
3134 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3135 }
3136
3137 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3138 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3139
3140 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3141 }
3142
3143 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
3144 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
3145 {
3146 /* install group key */
3147
3148 vapid = 0;
3149 wcid = RT2870_WCID_MCAST;
3150 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
3151 keymode_base = RT2870_REG_SKEY_MODE(vapid);
3152
3153 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3154 {
3155 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3156
3157 if (opmode != IEEE80211_M_HOSTAP)
3158 {
3159 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3160 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3161 }
3162 else
3163 {
3164 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3165 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3166 }
3167 }
3168 else
3169 {
3170 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3171 }
3172
3173 tmp = rt2870_io_mac_read(sc, keymode_base);
3174
3175 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3176 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3177
3178 rt2870_io_mac_write(sc, keymode_base, tmp);
3179
3180 if (opmode == IEEE80211_M_HOSTAP)
3181 {
3182 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3183 {
3184 memset(iv, 0, 8);
3185
3186 iv[3] = (k->wk_keyix << 6);
3187 }
3188 else
3189 {
3190 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3191 {
3192 iv[0] = (k->wk_keytsc >> 8);
3193 iv[1] = ((iv[0] | 0x20) & 0x7f);
3194 iv[2] = k->wk_keytsc;
3195 }
3196 else
3197 {
3198 /* AES CCMP */
3199
3200 iv[0] = k->wk_keytsc;
3201 iv[1] = k->wk_keytsc >> 8;
3202 iv[2] = 0;
3203 }
3204
3205 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3206 iv[4] = (k->wk_keytsc >> 16);
3207 iv[5] = (k->wk_keytsc >> 24);
3208 iv[6] = (k->wk_keytsc >> 32);
3209 iv[7] = (k->wk_keytsc >> 40);
3210
3211 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3212 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3213 device_get_nameunit(sc->dev),
3214 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3215 }
3216
3217 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3218
3219 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3220 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
3221
3222 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3223 }
3224 }
3225 }
3226
3227 /*
3228 * rt2870_key_delete_cb
3229 */
3230 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg)
3231 {
3232 struct ieee80211com *ic;
3233 struct ieee80211_key *k;
3234 enum ieee80211_opmode opmode;
3235 struct rt2870_cmd_argv_keydelete *cmd_argv;
3236 uint8_t vapid, wcid;
3237 uint32_t tmp;
3238
3239 ic = &sc->ic;
3240 cmd_argv = arg;
3241 k = &cmd_argv->key;
3242 opmode = cmd_argv->opmode;
3243
3244 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3245 "%s: key delete: keyix=%d, keylen=%d, group=%d\n",
3246 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen,
3247 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3248
3249 if (k->wk_flags & IEEE80211_KEY_GROUP)
3250 {
3251 /* remove group key */
3252
3253 vapid = 0;
3254 wcid = RT2870_WCID_MCAST;
3255
3256 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
3257
3258 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3259 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3260
3261 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
3262
3263 if (opmode == IEEE80211_M_HOSTAP)
3264 {
3265 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3266 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
3267
3268 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3269 }
3270 }
3271 }
3272
3273 /*
3274 * rt2870_asic_set_bssid
3275 */
3276 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3277 const uint8_t *bssid)
3278 {
3279 uint32_t tmp;
3280
3281 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3282 "%s: set bssid: bssid=%s\n",
3283 device_get_nameunit(sc->dev), ether_sprintf(bssid));
3284
3285 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3286
3287 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3288
3289 tmp = bssid[4] | (bssid[5] << 8);
3290
3291 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3292 }
3293
3294 /*
3295 * rt2870_asic_set_macaddr
3296 */
3297 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3298 const uint8_t *addr)
3299 {
3300 uint32_t tmp;
3301
3302 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3303
3304 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3305
3306 tmp = addr[4] | (addr[5] << 8);
3307
3308 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3309 }
3310
3311 /*
3312 * rt2870_asic_enable_tsf_sync
3313 */
3314 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3315 {
3316 struct ieee80211com *ic;
3317 uint32_t tmp;
3318
3319 ic = &sc->ic;
3320
3321 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3322 "%s: enabling TSF\n",
3323 device_get_nameunit(sc->dev));
3324
3325 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3326
3327 tmp &= ~0x1fffff;
3328 tmp |= ic->ic_bss->ni_intval * 16;
3329 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3330
3331 if (ic->ic_opmode == IEEE80211_M_STA)
3332 {
3333 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3334 }
3335 else if (ic->ic_opmode == IEEE80211_M_IBSS)
3336 {
3337 tmp |= RT2870_REG_BCN_TX_ENABLE;
3338 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3339 }
3340 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
3341 {
3342 tmp |= RT2870_REG_BCN_TX_ENABLE;
3343 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3344 }
3345
3346 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3347 }
3348
3349 /*
3350 * rt2870_asic_disable_tsf_sync
3351 */
3352 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3353 {
3354 uint32_t tmp;
3355
3356 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3357 "%s: disabling TSF\n",
3358 device_get_nameunit(sc->dev));
3359
3360 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3361
3362 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3363 RT2870_REG_TSF_TIMER_ENABLE |
3364 RT2870_REG_TBTT_TIMER_ENABLE);
3365
3366 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3367 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3368
3369 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3370 }
3371
3372 /*
3373 * rt2870_asic_enable_mrr
3374 */
3375 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3376 {
3377 #define CCK(mcs) (mcs)
3378 #define OFDM(mcs) ((1 << 3) | (mcs))
3379 #define HT(mcs) (mcs)
3380
3381 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3382 (OFDM(6) << 28) | /* 54 -> 48 */
3383 (OFDM(5) << 24) | /* 48 -> 36 */
3384 (OFDM(4) << 20) | /* 36 -> 24 */
3385 (OFDM(3) << 16) | /* 24 -> 18 */
3386 (OFDM(2) << 12) | /* 18 -> 12 */
3387 (OFDM(1) << 8) | /* 12 -> 9 */
3388 (OFDM(0) << 4) | /* 9 -> 6 */
3389 OFDM(0)); /* 6 -> 6 */
3390
3391 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3392 (CCK(2) << 12) | /* 11 -> 5.5 */
3393 (CCK(1) << 8) | /* 5.5 -> 2 */
3394 (CCK(0) << 4) | /* 2 -> 1 */
3395 CCK(0)); /* 1 -> 1 */
3396
3397 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3398 (HT(6) << 28) |
3399 (HT(5) << 24) |
3400 (HT(4) << 20) |
3401 (HT(3) << 16) |
3402 (HT(2) << 12) |
3403 (HT(1) << 8) |
3404 (HT(0) << 4) |
3405 HT(0));
3406
3407 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3408 (HT(14) << 28) |
3409 (HT(13) << 24) |
3410 (HT(12) << 20) |
3411 (HT(11) << 16) |
3412 (HT(10) << 12) |
3413 (HT(9) << 8) |
3414 (HT(8) << 4) |
3415 HT(7));
3416
3417 #undef HT
3418 #undef OFDM
3419 #undef CCK
3420 }
3421
3422 /*
3423 * rt2870_asic_set_txpreamble
3424 */
3425 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3426 {
3427 struct ieee80211com *ic;
3428 uint32_t tmp;
3429
3430 ic = &sc->ic;
3431
3432 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3433 "%s: %s short Tx preamble\n",
3434 device_get_nameunit(sc->dev),
3435 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3436
3437 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3438
3439 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3440
3441 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3442 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3443
3444 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3445 }
3446
3447 /*
3448 * rt2870_asic_set_basicrates
3449 */
3450 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3451 {
3452 struct ieee80211com *ic;
3453
3454 ic = &sc->ic;
3455
3456 if (ic->ic_curmode == IEEE80211_MODE_11B)
3457 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3458 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3459 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3460 else
3461 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3462 }
3463
3464 /*
3465 * rt2870_asic_update_rtsthreshold
3466 */
3467 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3468 {
3469 struct ieee80211com *ic;
3470 uint32_t tmp;
3471 uint16_t threshold;
3472
3473 ic = &sc->ic;
3474
3475 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3476 "%s: updating RTS threshold: %d\n",
3477 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
3478
3479 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3480
3481 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3482
3483 if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_TX)
3484 threshold = 0x1000;
3485 else
3486 threshold = ic->ic_rtsthreshold;
3487
3488 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3489 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3490
3491 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3492 }
3493
3494 /*
3495 * rt2870_asic_update_txpower
3496 */
3497 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3498 {
3499 struct ieee80211com *ic;
3500 uint32_t *txpow_rate;
3501 int8_t delta;
3502 uint8_t val;
3503 uint32_t tmp;
3504 int i;
3505
3506 ic = &sc->ic;
3507
3508 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3509 "%s: updating Tx power: %d\n",
3510 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3511
3512 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3513 {
3514 txpow_rate = sc->txpow_rate_20mhz;
3515 }
3516 else
3517 {
3518 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3519 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3520 else
3521 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3522 }
3523
3524 delta = 0;
3525
3526 val = rt2870_io_bbp_read(sc, 1);
3527 val &= 0xfc;
3528
3529 if (ic->ic_txpowlimit > 90)
3530 {
3531 /* do nothing */
3532 }
3533 else if (ic->ic_txpowlimit > 60)
3534 {
3535 delta -= 1;
3536 }
3537 else if (ic->ic_txpowlimit > 30)
3538 {
3539 delta -= 3;
3540 }
3541 else if (ic->ic_txpowlimit > 15)
3542 {
3543 val |= 0x1;
3544 }
3545 else if (ic->ic_txpowlimit > 9)
3546 {
3547 val |= 0x1;
3548 delta -= 3;
3549 }
3550 else
3551 {
3552 val |= 0x2;
3553 }
3554
3555 rt2870_io_bbp_write(sc, 1, val);
3556
3557 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3558 {
3559 if (txpow_rate[i] == 0xffffffff)
3560 continue;
3561
3562 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3563
3564 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3565 }
3566 }
3567
3568 /*
3569 * rt2870_asic_update_promisc
3570 */
3571 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3572 {
3573 struct ifnet *ifp;
3574 uint32_t tmp;
3575
3576 ifp = sc->ic.ic_ifp;
3577
3578 printf("%s: %s promiscuous mode\n",
3579 device_get_nameunit(sc->dev),
3580 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3581
3582 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3583
3584 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3585
3586 if (!(ifp->if_flags & IFF_PROMISC))
3587 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3588
3589 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3590 }
3591
3592 /*
3593 * rt2870_asic_updateprot
3594 */
3595 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3596 {
3597 struct ieee80211com *ic;
3598 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3599 uint8_t htopmode;
3600 enum ieee80211_protmode htprotmode;
3601
3602 ic = &sc->ic;
3603
3604 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
3605 return;
3606
3607 /* CCK frame protection */
3608
3609 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3610 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3611
3612 /* set up protection frame phy mode and rate (MCS code) */
3613
3614 if (ic->ic_curmode == IEEE80211_MODE_11A)
3615 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3616 (0 << RT2870_REG_PROT_MCS_SHIFT);
3617 else
3618 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3619 (3 << RT2870_REG_PROT_MCS_SHIFT));
3620
3621 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3622
3623 /* OFDM frame protection */
3624
3625 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3626 RT2870_REG_TXOP_ALLOW_ALL;
3627
3628 if (ic->ic_flags & IEEE80211_F_USEPROT)
3629 {
3630 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3631 "%s: updating protection mode: b/g protection mode=%s\n",
3632 device_get_nameunit(sc->dev),
3633 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3634 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3635
3636 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3637 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3638 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3639 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3640 else
3641 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3642 }
3643 else
3644 {
3645 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3646 "%s: updating protection mode: b/g protection mode=%s\n",
3647 device_get_nameunit(sc->dev), "none");
3648
3649 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3650 }
3651
3652 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3653
3654 /* HT frame protection */
3655
3656 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3657 htopmode = ic->ic_bss->ni_htopmode;
3658 else
3659 htopmode = ic->ic_curhtprotmode;
3660
3661 htprotmode = ic->ic_htprotmode;
3662
3663 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3664
3665 if (sc->tx_ampdu_sessions > 0)
3666 {
3667 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3668 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3669 device_get_nameunit(sc->dev));
3670
3671 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3672 htprotmode = IEEE80211_PROT_RTSCTS;
3673 }
3674
3675 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3676 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3677 device_get_nameunit(sc->dev),
3678 htopmode & IEEE80211_HTINFO_OPMODE,
3679 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3680 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3681
3682 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3683 {
3684 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3685 case IEEE80211_HTINFO_OPMODE_HT20PR:
3686 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3687 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3688 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3689 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3690 (4 << RT2870_REG_PROT_MCS_SHIFT);
3691
3692 gf20_prot = mm20_prot;
3693
3694 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3695 RT2870_REG_TXOP_ALLOW_ALL |
3696 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3697 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3698
3699 if (htprotmode == IEEE80211_PROT_RTSCTS)
3700 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3701 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3702 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3703 else
3704 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3705
3706 gf40_prot = mm40_prot;
3707 break;
3708
3709 /* IEEE80211_HTINFO_OPMODE_MIXED */
3710 case IEEE80211_HTINFO_OPMODE_MIXED:
3711 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3712 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3713 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3714
3715 if (ic->ic_flags & IEEE80211_F_USEPROT)
3716 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3717 (3 << RT2870_REG_PROT_MCS_SHIFT);
3718 else
3719 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3720 (4 << RT2870_REG_PROT_MCS_SHIFT);
3721
3722 if (htprotmode == IEEE80211_PROT_RTSCTS)
3723 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3724 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3725 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3726 else
3727 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3728
3729 gf20_prot = mm20_prot;
3730
3731 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3732
3733 if (ic->ic_flags & IEEE80211_F_USEPROT)
3734 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3735 (3 << RT2870_REG_PROT_MCS_SHIFT);
3736 else
3737 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3738 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3739
3740 if (htprotmode == IEEE80211_PROT_RTSCTS)
3741 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3742 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3743 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3744 else
3745 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3746
3747 gf40_prot = mm40_prot;
3748 break;
3749
3750 /*
3751 * IEEE80211_HTINFO_OPMODE_PURE
3752 * IEEE80211_HTINFO_OPMODE_PROTOPT
3753 */
3754 case IEEE80211_HTINFO_OPMODE_PURE:
3755 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3756 default:
3757 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3758 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3759 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3760 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3761 (4 << RT2870_REG_PROT_MCS_SHIFT);
3762
3763 gf20_prot = mm20_prot;
3764
3765 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3766 RT2870_REG_TXOP_ALLOW_ALL |
3767 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3768 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3769
3770 gf40_prot = mm40_prot;
3771 break;
3772 }
3773
3774 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3775 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3776 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3777 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3778 }
3779
3780 /*
3781 * rt2870_asic_updateslot
3782 */
3783 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3784 {
3785 struct ieee80211com *ic;
3786 uint32_t tmp;
3787
3788 ic = &sc->ic;
3789
3790 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3791 "%s: %s short slot time\n",
3792 device_get_nameunit(sc->dev),
3793 (ic->ic_flags & (IEEE80211_F_SHSLOT | IEEE80211_F_BURST)) ? "enabling" : "disabling");
3794
3795 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3796
3797 tmp &= ~0xff;
3798 tmp |= (ic->ic_flags & (IEEE80211_F_SHSLOT | IEEE80211_F_BURST)) ? 9 : 20;
3799
3800 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3801 }
3802
3803 /*
3804 * rt2870_asic_wme_update
3805 */
3806 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3807 {
3808 struct ieee80211com *ic;
3809 struct ieee80211_wme_state *wme;
3810 const struct wmeParams *wmep;
3811 int i;
3812
3813 ic = &sc->ic;
3814 wme = &ic->ic_wme;
3815 wmep = wme->wme_chanParams.cap_wmeParams;
3816
3817 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3818 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3819 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3820 device_get_nameunit(sc->dev),
3821 wmep[WME_AC_VO].wmep_aifsn,
3822 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3823 wmep[WME_AC_VO].wmep_txopLimit,
3824 wmep[WME_AC_VI].wmep_aifsn,
3825 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3826 wmep[WME_AC_VI].wmep_txopLimit,
3827 wmep[WME_AC_BK].wmep_aifsn,
3828 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3829 wmep[WME_AC_BK].wmep_txopLimit,
3830 wmep[WME_AC_BE].wmep_aifsn,
3831 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3832 wmep[WME_AC_BE].wmep_txopLimit);
3833
3834 for (i = 0; i < WME_NUM_AC; i++)
3835 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3836 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3837 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3838
3839 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3840 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3841 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3842
3843 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3844 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3845 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3846
3847 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3848 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3849 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3850
3851 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3852 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3853
3854 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3855 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3856 }
3857
3858 /*
3859 * rt2870_asic_update_beacon
3860 */
3861 static void rt2870_asic_update_beacon(struct rt2870_softc *sc)
3862 {
3863 struct ieee80211com *ic;
3864 struct mbuf *m;
3865 struct rt2870_txwi *txwi;
3866 uint32_t tmp;
3867
3868 ic = &sc->ic;
3869
3870 m = sc->beacon_mbuf;
3871 txwi = &sc->beacon_txwi;
3872
3873 /* disable temporarily TSF sync */
3874
3875 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3876
3877 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3878 RT2870_REG_TSF_TIMER_ENABLE |
3879 RT2870_REG_TBTT_TIMER_ENABLE);
3880
3881 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3882
3883 /* write Tx wireless info and beacon frame to on-chip memory */
3884
3885 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3886 txwi, sizeof(struct rt2870_txwi));
3887
3888 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3889 mtod(m, uint8_t *), m->m_pkthdr.len);
3890
3891 /* enable again TSF sync */
3892
3893 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3894
3895 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3896 RT2870_REG_TSF_TIMER_ENABLE |
3897 RT2870_REG_TBTT_TIMER_ENABLE);
3898
3899 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3900 }
3901
3902 /*
3903 * rt2870_asic_clear_keytables
3904 */
3905 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3906 {
3907 int i;
3908
3909 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3910
3911 for (i = 0; i < 256; i++)
3912 {
3913 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3914 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3915 }
3916
3917 /* clear WCID attribute table (entries = 256, entry size = 4) */
3918
3919 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3920
3921 /* clear IV/EIV table (entries = 256, entry size = 8) */
3922
3923 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3924
3925 /* clear pairwise key table (entries = 256, entry size = 32) */
3926
3927 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3928
3929 /* clear shared key table (entries = 32, entry size = 32) */
3930
3931 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3932
3933 /* clear shared key mode (entries = 32, entry size = 2) */
3934
3935 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3936 }
3937
3938 /*
3939 * rt2870_asic_add_ba_session
3940 */
3941 static void rt2870_asic_add_ba_session(struct rt2870_softc *sc,
3942 uint8_t wcid, int tid)
3943 {
3944 uint32_t tmp;
3945
3946 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
3947
3948 tmp |= (0x10000 << tid);
3949
3950 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
3951 }
3952
3953 /*
3954 * rt2860_asic_del_ba_session
3955 */
3956 static void rt2870_asic_del_ba_session(struct rt2870_softc *sc,
3957 uint8_t wcid, int tid)
3958 {
3959 uint32_t tmp;
3960
3961 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
3962
3963 tmp &= ~(0x10000 << tid);
3964
3965 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
3966 }
3967
3968 /*
3969 * rt2870_beacon_alloc
3970 */
3971 static int rt2870_beacon_alloc(struct rt2870_softc *sc)
3972 {
3973 struct ieee80211com *ic;
3974 struct mbuf *m;
3975 struct rt2870_txwi txwi;
3976 uint8_t rate, mcs;
3977
3978 ic = &sc->ic;
3979
3980 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3981 if (m == NULL)
3982 return ENOMEM;
3983
3984 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3985 mcs = rt2870_rate2mcs(rate);
3986
3987 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3988
3989 txwi.wcid = 0xff;
3990 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3991 RT2870_TXWI_MPDU_LEN_SHIFT);
3992 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3993 txwi.mpdu_density_flags |=
3994 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3995 txwi.bawin_size_xflags |=
3996 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3997
3998 if (rate == 2)
3999 {
4000 txwi.phymode_ifs_stbc_shortgi =
4001 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4002
4003 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4004 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4005 }
4006 else
4007 {
4008 txwi.phymode_ifs_stbc_shortgi =
4009 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4010 }
4011
4012 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4013 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4014
4015 if (sc->beacon_mbuf != NULL)
4016 {
4017 m_free(sc->beacon_mbuf);
4018 sc->beacon_mbuf = NULL;
4019 }
4020
4021 sc->beacon_mbuf = m;
4022 sc->beacon_txwi = txwi;
4023
4024 return 0;
4025 }
4026
4027 /*
4028 * rt2870_rxrate
4029 */
4030 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
4031 {
4032 uint8_t mcs, phymode;
4033 uint8_t rate;
4034
4035 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
4036 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4037 RT2870_RXWI_PHYMODE_MASK;
4038
4039 rate = 2;
4040
4041 switch (phymode)
4042 {
4043 case RT2870_RXWI_PHYMODE_CCK:
4044 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
4045 {
4046 case 0: rate = 2; break; /* 1 Mbps */
4047 case 1: rate = 4; break; /* 2 MBps */
4048 case 2: rate = 11; break; /* 5.5 Mbps */
4049 case 3: rate = 22; break; /* 11 Mbps */
4050 }
4051 break;
4052
4053 case RT2870_RXWI_PHYMODE_OFDM:
4054 switch (mcs)
4055 {
4056 case 0: rate = 12; break; /* 6 Mbps */
4057 case 1: rate = 18; break; /* 9 Mbps */
4058 case 2: rate = 24; break; /* 12 Mbps */
4059 case 3: rate = 36; break; /* 18 Mbps */
4060 case 4: rate = 48; break; /* 24 Mbps */
4061 case 5: rate = 72; break; /* 36 Mbps */
4062 case 6: rate = 96; break; /* 48 Mbps */
4063 case 7: rate = 108; break; /* 54 Mbps */
4064 }
4065 break;
4066
4067 case RT2870_RXWI_PHYMODE_HT_MIXED:
4068 case RT2870_RXWI_PHYMODE_HT_GF:
4069 break;
4070 }
4071
4072 return rate;
4073 }
4074
4075 /*
4076 * rt2870_maxrssi_rxpath
4077 */
4078 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
4079 const struct rt2870_rxwi *rxwi)
4080 {
4081 uint8_t rxpath;
4082
4083 rxpath = 0;
4084
4085 if (sc->nrxpath > 1)
4086 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4087 rxpath = 1;
4088
4089 if (sc->nrxpath > 2)
4090 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4091 rxpath = 2;
4092
4093 return rxpath;
4094 }
4095
4096 /*
4097 * rt2870_rssi2dbm
4098 */
4099 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
4100 uint8_t rssi, uint8_t rxpath)
4101 {
4102 struct ieee80211com *ic;
4103 struct ieee80211_channel *c;
4104 int chan;
4105 int8_t rssi_off, lna_gain;
4106
4107 if (rssi == 0)
4108 return -99;
4109
4110 ic = &sc->ic;
4111 c = ic->ic_curchan;
4112 chan = ieee80211_chan2ieee(ic, c);
4113
4114 if (IEEE80211_IS_CHAN_5GHZ(c))
4115 {
4116 rssi_off = sc->rssi_off_5ghz[rxpath];
4117
4118 if (chan <= 64)
4119 lna_gain = sc->lna_gain[1];
4120 else if (chan <= 128)
4121 lna_gain = sc->lna_gain[2];
4122 else
4123 lna_gain = sc->lna_gain[3];
4124 }
4125 else
4126 {
4127 rssi_off = sc->rssi_off_2ghz[rxpath];
4128 lna_gain = sc->lna_gain[0];
4129 }
4130
4131 return (-12 - rssi_off - lna_gain - rssi);
4132 }
4133
4134 /*
4135 * rt2870_rate2mcs
4136 */
4137 static uint8_t rt2870_rate2mcs(uint8_t rate)
4138 {
4139 switch (rate)
4140 {
4141 /* CCK rates */
4142 case 2: return 0;
4143 case 4: return 1;
4144 case 11: return 2;
4145 case 22: return 3;
4146
4147 /* OFDM rates */
4148 case 12: return 0;
4149 case 18: return 1;
4150 case 24: return 2;
4151 case 36: return 3;
4152 case 48: return 4;
4153 case 72: return 5;
4154 case 96: return 6;
4155 case 108: return 7;
4156 }
4157
4158 return 0;
4159 }
4160
4161 /*
4162 * rt2870_ackrate
4163 */
4164 static int rt2870_ackrate(struct ieee80211com *ic, int rate)
4165 {
4166 switch (rate)
4167 {
4168 /* CCK rates */
4169
4170 case 2:
4171 return 2;
4172
4173 case 4:
4174 case 11:
4175 case 22:
4176 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
4177
4178 /* OFDM rates */
4179
4180 case 12:
4181 case 18:
4182 return 12;
4183
4184 case 24:
4185 case 36:
4186 return 24;
4187
4188 case 48:
4189 case 72:
4190 case 96:
4191 case 108:
4192 return 48;
4193 }
4194
4195 /* default to 1Mbps */
4196 return 2;
4197 }
4198
4199 /*
4200 * rt2870_txtime
4201 */
4202 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags)
4203 {
4204 uint16_t txtime;
4205
4206 if (RT2870_RATE_IS_OFDM(rate))
4207 {
4208 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
4209 txtime = 16 + 4 + 4 * txtime + 6;
4210 }
4211 else
4212 {
4213 txtime = (16 * len + rate - 1) / rate;
4214
4215 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
4216 txtime += 72 + 24;
4217 else
4218 txtime += 144 + 48;
4219 }
4220
4221 return txtime;
4222 }
4223
4224 /*
4225 * rt2870_rx_frame
4226 */
4227 static void rt2870_rx_frame(struct rt2870_softc *sc,
4228 uint8_t *buf, uint32_t dmalen)
4229 {
4230 struct ieee80211com *ic;
4231 struct ifnet *ifp;
4232 struct ieee80211_frame *wh;
4233 struct ieee80211_node *ni;
4234 struct rt2870_softc_node *rni;
4235 struct rt2870_softc_rx_radiotap_header *tap;
4236 struct rt2870_rxwi *rxwi;
4237 struct rt2870_rxinfo *rxinfo;
4238 struct mbuf *m;
4239 uint32_t rxinfo_flags;
4240 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
4241 int8_t rssi_dbm;
4242 int len, ampdu, amsdu, i;
4243
4244 ic = &sc->ic;
4245 ifp = ic->ic_ifp;
4246
4247 /* get Rx wireless info */
4248
4249 rxwi = (struct rt2870_rxwi *) buf;
4250 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
4251 RT2870_RXWI_SIZE_MASK;
4252
4253 if (len > dmalen)
4254 {
4255 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4256 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
4257 device_get_nameunit(sc->dev), dmalen, len);
4258 return;
4259 }
4260
4261 /* get Rx info */
4262
4263 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
4264 rxinfo_flags = le32toh(rxinfo->flags);
4265
4266 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4267 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
4268 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
4269
4270 /* check for crc errors */
4271
4272 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4273 {
4274 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4275 "%s: rxinfo: crc error\n",
4276 device_get_nameunit(sc->dev));
4277
4278 ifp->if_ierrors++;
4279
4280 if (!(ifp->if_flags & IFF_PROMISC))
4281 return;
4282 }
4283
4284 wh = (struct ieee80211_frame *) (rxwi + 1);
4285
4286 /* check for L2 padding between IEEE 802.11 frame header and body */
4287
4288 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
4289 {
4290 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4291 "%s: L2 padding: DMA len=%d, len=%d\n",
4292 device_get_nameunit(sc->dev), dmalen, len);
4293
4294 len += 2;
4295 }
4296
4297 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4298 if (m == NULL)
4299 {
4300 sc->rx_mbuf_alloc_errors++;
4301 ifp->if_ierrors++;
4302 return;
4303 }
4304
4305 m->m_pkthdr.rcvif = ifp;
4306 m->m_pkthdr.len = m->m_len = len;
4307
4308 m_copyback(m, 0, len, (caddr_t) wh);
4309
4310 wh = mtod(m, struct ieee80211_frame *);
4311
4312 /* check for cipher errors */
4313
4314 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4315 {
4316 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4317 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4318 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4319 {
4320 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4321 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4322
4323 m->m_flags |= M_WEP;
4324
4325 sc->rx_cipher_no_errors++;
4326 }
4327 else
4328 {
4329 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4330 "%s: rxinfo: cipher error=0x%02x\n",
4331 device_get_nameunit(sc->dev), cipher_err);
4332
4333 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_ICV)
4334 sc->rx_cipher_icv_errors++;
4335 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC)
4336 sc->rx_cipher_mic_errors++;
4337 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_INVALID_KEY)
4338 sc->rx_cipher_invalid_key_errors++;
4339
4340 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4341 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4342 {
4343 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4344 RT2870_RXWI_KEYIDX_MASK;
4345
4346 ieee80211_notify_michael_failure(ic, wh, keyidx);
4347 }
4348
4349 ifp->if_ierrors++;
4350
4351 if (!(ifp->if_flags & IFF_PROMISC))
4352 {
4353 m_free(m);
4354 return;
4355 }
4356 }
4357 }
4358 else
4359 {
4360 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4361 {
4362 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4363 "%s: rxinfo: not decrypted but protected flag set\n",
4364 device_get_nameunit(sc->dev));
4365
4366 ifp->if_ierrors++;
4367
4368 if (!(ifp->if_flags & IFF_PROMISC))
4369 {
4370 m_free(m);
4371 return;
4372 }
4373 }
4374 }
4375
4376 /* check for A-MPDU */
4377
4378 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
4379 {
4380 m->m_flags |= M_AMPDU;
4381
4382 sc->rx_ampdu++;
4383
4384 ampdu = 1;
4385 }
4386 else
4387 {
4388 ampdu = 0;
4389 }
4390
4391 /* check for A-MSDU */
4392
4393 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4394 {
4395 sc->rx_amsdu++;
4396
4397 amsdu = 1;
4398 }
4399 else
4400 {
4401 amsdu = 0;
4402 }
4403
4404 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4405 rssi = rxwi->rssi[ant];
4406 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4407 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4408 RT2870_RXWI_PHYMODE_MASK);
4409 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4410 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4411 RT2870_RXWI_SHORTGI_MASK);
4412 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4413
4414 if (bpf_peers_present(sc->drvbpf))
4415 {
4416 tap = &sc->rxtap;
4417
4418 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4419 tap->dbm_antsignal = rssi_dbm;
4420 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4421 tap->antenna = ant;
4422 tap->antsignal = rssi;
4423 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4424 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4425 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4426 tap->chan_maxpow = 0;
4427
4428 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4429 tap->rate = rt2870_rxrate(rxwi);
4430 else
4431 tap->rate = mcs | IEEE80211_RATE_MCS;
4432
4433 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4434 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4435
4436 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4437 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4438
4439 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4440 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4441
4442 if (shortgi)
4443 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4444
4445 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4446 }
4447
4448 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4449 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4450 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4451 device_get_nameunit(sc->dev),
4452 len, phymode, bw, shortgi, mcs,
4453 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4454 rxwi->snr[0], rxwi->snr[1],
4455 rxwi->wcid, ampdu, amsdu);
4456
4457 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4458
4459 if (ni != NULL)
4460 {
4461 rni = (struct rt2870_softc_node *) ni;
4462
4463 for (i = 0; i < RT2870_SOFTC_RSSI_DBM_COUNT; i++)
4464 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4465 }
4466
4467 ieee80211_input(ic, m, ni, rssi_dbm, RT2870_NOISE_FLOOR, 0);
4468
4469 ieee80211_free_node(ni);
4470 }
4471
4472 /*
4473 * rt2870_tx_frame
4474 */
4475 static int rt2870_tx_frame(struct rt2870_softc *sc,
4476 struct mbuf *m, struct ieee80211_node *ni, int qid)
4477 {
4478 struct ieee80211com *ic;
4479 struct rt2870_softc_node *rni;
4480 struct rt2870_softc_tx_ring *ring;
4481 struct rt2870_softc_tx_data *data;
4482 struct rt2870_txinfo *txinfo;
4483 struct rt2870_txwi *txwi;
4484 struct ieee80211_frame *wh;
4485 struct ieee80211_tx_ampdu *tx_ampdu;
4486 struct rt2870_softc_tx_radiotap_header *tap;
4487 u_int hdrsize, hdrspace;
4488 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4489 uint16_t qos, len, dmalen, mpdu_len, dur;
4490 int hasqos, ac, ampdu, mimops, ackrate;
4491
4492 ic = &sc->ic;
4493 rni = (struct rt2870_softc_node *) ni;
4494
4495 ring = &sc->tx_ring[qid];
4496 data = STAILQ_FIRST(&ring->inactive);
4497 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4498 txinfo = (struct rt2870_txinfo *) data->buf;
4499 txwi = (struct rt2870_txwi *) (txinfo + 1);
4500
4501 wh = mtod(m, struct ieee80211_frame *);
4502
4503 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4504
4505 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4506 if (hasqos)
4507 {
4508 if (IEEE80211_HAS_ADDR4(wh))
4509 qos = le16toh(*(const uint16_t *)
4510 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4511 else
4512 qos = le16toh(*(const uint16_t *)
4513 (((struct ieee80211_qosframe *) wh)->i_qos));
4514 }
4515 else
4516 {
4517 qos = 0;
4518 }
4519
4520 if (ni->ni_flags & IEEE80211_NODE_HT)
4521 {
4522 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4523 rate = 0;
4524 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4525 rate = ic->ic_fixed_rate;
4526 else
4527 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
4528 }
4529 else
4530 {
4531 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4532 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
4533 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4534 rate = ic->ic_fixed_rate;
4535 else
4536 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
4537 }
4538
4539 rate &= IEEE80211_RATE_VAL;
4540
4541 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4542
4543 /* align end on a 4-bytes boundary */
4544
4545 dmalen = (len + 3) & ~3;
4546
4547 /* fill Tx info */
4548
4549 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4550
4551 txinfo->len = htole16(dmalen);
4552
4553 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4554
4555 /* fill Tx wireless info */
4556
4557 if (ni->ni_flags & IEEE80211_NODE_HT)
4558 mcs = rate;
4559 else
4560 mcs = rt2870_rate2mcs(rate);
4561
4562 if (type == IEEE80211_FC0_TYPE_DATA)
4563 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2870_WCID_MCAST;
4564 else
4565 wcid = RT2870_WCID_RESERVED;
4566
4567 /* calculate MPDU length without padding */
4568
4569 hdrsize = ieee80211_anyhdrsize(wh);
4570 hdrspace = ieee80211_anyhdrspace(ic, wh);
4571 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4572
4573 memset(txwi, 0, sizeof(struct rt2870_txwi));
4574
4575 txwi->wcid = wcid;
4576
4577 /* MIMO power save */
4578
4579 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4580 ((ni->ni_htcap & IEEE80211_HTCAP_SMPS) != IEEE80211_HTCAP_SMPS_OFF))
4581 {
4582 if (mcs > 7)
4583 {
4584 if ((ni->ni_htcap & IEEE80211_HTCAP_SMPS) == IEEE80211_HTCAP_SMPS_DYNAMIC)
4585 {
4586 /* dynamic MIMO power save */
4587
4588 txwi->mpdu_density_flags |=
4589 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4590 }
4591 else
4592 {
4593 /* static MIMO power save */
4594
4595 mcs = 7;
4596 }
4597 }
4598
4599 mimops = 1;
4600 }
4601 else
4602 {
4603 mimops = 0;
4604 }
4605
4606 pid = mcs;
4607
4608 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4609 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4610 RT2870_TXWI_MPDU_LEN_SHIFT);
4611
4612 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4613 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4614
4615 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
4616 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40));
4617
4618 txwi->phymode_ifs_stbc_shortgi |=
4619 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4620 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4621
4622 if (ni->ni_flags & IEEE80211_NODE_HT)
4623 {
4624 txwi->phymode_ifs_stbc_shortgi |=
4625 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4626 }
4627 else
4628 {
4629 if (!RT2870_RATE_IS_OFDM(rate))
4630 {
4631 txwi->phymode_ifs_stbc_shortgi |=
4632 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4633
4634 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4635 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4636 }
4637 else
4638 {
4639 txwi->phymode_ifs_stbc_shortgi |=
4640 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4641 }
4642 }
4643
4644 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4645 bw = RT2870_TXWI_BW_40;
4646 else
4647 bw = RT2870_TXWI_BW_20;
4648
4649 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4650 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4651
4652 if (type != IEEE80211_FC0_TYPE_DATA)
4653 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4654 else
4655 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4656
4657 /* skip ACKs for multicast frames */
4658
4659 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4660 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4661 {
4662 txwi->bawin_size_xflags |=
4663 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4664
4665 if (ni->ni_flags & IEEE80211_NODE_HT)
4666 {
4667 /* preamble + plcp + signal extension + SIFS */
4668
4669 dur = 16 + 4 + 6 + 10;
4670 }
4671 else
4672 {
4673 ackrate = rt2870_ackrate(ic, rate);
4674
4675 dur = rt2870_txtime(RT2870_ACK_SIZE, ackrate, ic->ic_flags) +
4676 sc->sifs;
4677 }
4678
4679 *(uint16_t *) wh->i_dur = htole16(dur);
4680 }
4681
4682 /* check fo A-MPDU */
4683
4684 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
4685 {
4686 ac = M_WME_GETAC(m);
4687 tx_ampdu = &ni->ni_tx_ampdu[ac];
4688
4689 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4690 bawin_size = tx_ampdu->txa_wnd;
4691
4692 txwi->mpdu_density_flags |=
4693 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4694 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4695
4696 txwi->bawin_size_xflags |=
4697 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4698
4699 if (IEEE80211_HAS_ADDR4(wh))
4700 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4701 else
4702 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4703
4704 ampdu = 1;
4705 }
4706 else
4707 {
4708 ampdu = 0;
4709 }
4710
4711 /* ask MAC to insert timestamp into probe responses */
4712
4713 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4714 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4715 txwi->mpdu_density_flags |=
4716 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4717
4718 if (bpf_peers_present(sc->drvbpf))
4719 {
4720 tap = &sc->txtap;
4721
4722 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4723 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4724 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4725 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4726 tap->chan_maxpow = 0;
4727
4728 if (ni->ni_flags & IEEE80211_NODE_HT)
4729 tap->rate = mcs | IEEE80211_RATE_MCS;
4730 else
4731 tap->rate = rate;
4732
4733 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4734 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4735
4736 if (shortgi)
4737 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4738
4739 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4740 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4741
4742 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4743 {
4744 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4745
4746 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4747
4748 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4749 }
4750 else
4751 {
4752 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4753 }
4754 }
4755
4756 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4757
4758 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4759 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4760 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d\n",
4761 device_get_nameunit(sc->dev),
4762 qid, hdrsize, hdrspace, m->m_pkthdr.len, bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen);
4763
4764 data->m = m;
4765 data->ni = ni;
4766
4767 STAILQ_INSERT_TAIL(&ring->active, data, next);
4768 ring->queued++;
4769
4770 usbd_setup_xfer(data->xfer, ring->usb_pipe, ring, data->buf, len,
4771 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RT2870_USB_XFER_TIMEOUT, rt2870_tx_intr);
4772
4773 usbd_transfer(data->xfer);
4774
4775 return 0;
4776 }
4777
4778 /*
4779 * rt2870_tx_raw
4780 */
4781 static int rt2870_tx_raw(struct rt2870_softc *sc,
4782 struct mbuf *m, struct ieee80211_node *ni,
4783 const struct ieee80211_bpf_params *params)
4784 {
4785 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4786 "%s: Tx raw\n",
4787 device_get_nameunit(sc->dev));
4788
4789 return 0;
4790 }
4791
4792 /*
4793 * rt2870_rx_intr
4794 */
4795 static void rt2870_rx_intr(usbd_xfer_handle xfer,
4796 usbd_private_handle priv, usbd_status status)
4797 {
4798 struct rt2870_softc *sc;
4799 struct ifnet *ifp;
4800 struct rt2870_softc_rx_ring *ring;
4801 struct rt2870_softc_rx_data *data;
4802 int len;
4803
4804 sc = priv;
4805 ifp = sc->ifp;
4806 ring = &sc->rx_ring;
4807
4808 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4809 return;
4810
4811 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4812 "%s: Rx interrupt: %s\n",
4813 device_get_nameunit(sc->dev), usbd_errstr(status));
4814
4815 sc->interrupts++;
4816 sc->rx_interrupts++;
4817
4818 switch (status)
4819 {
4820 case USBD_NORMAL_COMPLETION:
4821 data = STAILQ_FIRST(&ring->active);
4822 if (data == NULL)
4823 break;
4824
4825 STAILQ_REMOVE_HEAD(&ring->active, next);
4826
4827 KASSERT(data->xfer == xfer,
4828 ("%s: Rx interrupt: invalid USB xfer\n",
4829 device_get_nameunit(sc->dev)));
4830
4831 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
4832
4833 data->len = len;
4834
4835 STAILQ_INSERT_TAIL(&ring->done, data, next);
4836
4837 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4838 break;
4839
4840 case USBD_CANCELLED:
4841 case USBD_NOT_STARTED:
4842 break;
4843
4844 default:
4845 if (status == USBD_STALLED)
4846 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4847
4848 data = STAILQ_FIRST(&ring->active);
4849 if (data != NULL)
4850 {
4851 STAILQ_REMOVE_HEAD(&ring->active, next);
4852
4853 STAILQ_INSERT_TAIL(&ring->active, data, next);
4854
4855 usbd_setup_xfer(xfer, ring->usb_pipe, sc, data->buf,
4856 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4857 USBD_NO_TIMEOUT, rt2870_rx_intr);
4858
4859 usbd_transfer(xfer);
4860 }
4861 break;
4862 }
4863 }
4864
4865 /*
4866 * rt2870_tx_intr
4867 */
4868 static void rt2870_tx_intr(usbd_xfer_handle xfer,
4869 usbd_private_handle priv, usbd_status status)
4870 {
4871 struct rt2870_softc *sc;
4872 struct ifnet *ifp;
4873 struct rt2870_softc_tx_ring *ring;
4874 struct rt2870_softc_tx_data *data;
4875
4876 ring = priv;
4877 sc = ring->sc;
4878 ifp = sc->ifp;
4879
4880 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4881 return;
4882
4883 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4884 "%s: Tx interrupt: %s\n",
4885 device_get_nameunit(sc->dev), usbd_errstr(status));
4886
4887 sc->interrupts++;
4888 sc->tx_interrupts[ring->qid]++;
4889
4890 switch (status)
4891 {
4892 case USBD_NORMAL_COMPLETION:
4893 data = STAILQ_FIRST(&ring->active);
4894 if (data == NULL)
4895 break;
4896
4897 STAILQ_REMOVE_HEAD(&ring->active, next);
4898
4899 STAILQ_INSERT_TAIL(&ring->done, data, next);
4900
4901 sc->tx_qid_pending_mask |= (1 << ring->qid);
4902
4903 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4904 break;
4905
4906 case USBD_CANCELLED:
4907 case USBD_NOT_STARTED:
4908 break;
4909
4910 default:
4911 data = STAILQ_FIRST(&ring->active);
4912 if (data != NULL)
4913 {
4914 STAILQ_REMOVE_HEAD(&ring->active, next);
4915
4916 if (data->m != NULL)
4917 {
4918 m_freem(data->m);
4919 data->m = NULL;
4920 }
4921
4922 if (data->ni != NULL)
4923 {
4924 ieee80211_free_node(data->ni);
4925 data->ni = NULL;
4926 }
4927
4928 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4929
4930 ring->queued--;
4931 }
4932
4933 printf("%s: could not transmit buffer: qid=%d, status=%s\n",
4934 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(status));
4935
4936 ifp->if_oerrors++;
4937 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4938
4939 if (status == USBD_STALLED)
4940 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4941 break;
4942 }
4943 }
4944
4945 /*
4946 * rt2870_rx_done_task
4947 */
4948 static void rt2870_rx_done_task(void *context, int pending)
4949 {
4950 struct rt2870_softc *sc;
4951 struct ifnet *ifp;
4952
4953 sc = context;
4954 ifp = sc->ifp;
4955
4956 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4957 "%s: Rx done task\n",
4958 device_get_nameunit(sc->dev));
4959
4960 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4961 return;
4962
4963 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4964 {
4965 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4966 "%s: Rx done task: scheduling again\n",
4967 device_get_nameunit(sc->dev));
4968
4969 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4970 }
4971 }
4972
4973 /*
4974 * rt2870_tx_done_task
4975 */
4976 static void rt2870_tx_done_task(void *context, int pending)
4977 {
4978 struct rt2870_softc *sc;
4979 struct ifnet *ifp;
4980 int i;
4981
4982 sc = context;
4983 ifp = sc->ifp;
4984
4985 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4986 "%s: Tx done task\n",
4987 device_get_nameunit(sc->dev));
4988
4989 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4990 return;
4991
4992 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4993 {
4994 if (sc->tx_qid_pending_mask & (1 << i))
4995 {
4996 sc->tx_qid_pending_mask &= ~(1 << i);
4997
4998 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4999 }
5000 }
5001
5002 if (sc->tx_qid_pending_mask != 0)
5003 {
5004 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5005 "%s: Tx done task: scheduling again\n",
5006 device_get_nameunit(sc->dev));
5007
5008 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5009 }
5010
5011 sc->tx_timer = 0;
5012
5013 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5014 }
5015
5016 /*
5017 * rt2870_periodic_task
5018 */
5019 static void rt2870_periodic_task(void *context, int pending)
5020 {
5021 struct rt2870_softc *sc;
5022 struct ifnet *ifp;
5023 struct ieee80211com *ic;
5024
5025 sc = context;
5026 ifp = sc->ifp;
5027 ic = &sc->ic;
5028
5029 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5030 "%s: periodic task: round=%lu\n",
5031 device_get_nameunit(sc->dev), sc->periodic_round);
5032
5033 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5034 return;
5035
5036 sc->periodic_round++;
5037
5038 rt2870_update_stats(sc);
5039
5040 if ((sc->periodic_round % 10) == 0)
5041 {
5042 rt2870_bbp_tuning(sc);
5043
5044 rt2870_update_raw_counters(sc);
5045
5046 rt2870_watchdog(sc);
5047
5048 if (ic->ic_opmode == IEEE80211_M_STA)
5049 rt2870_amrr_update_iter_func(sc, ic->ic_bss);
5050 else
5051 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, sc);
5052 }
5053
5054 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5055 }
5056
5057 /*
5058 * rt2870_cmd_task
5059 */
5060 static void rt2870_cmd_task(void *context, int pending)
5061 {
5062 struct rt2870_softc *sc;
5063 struct rt2870_softc_cmd_ring *ring;
5064 struct rt2870_softc_cmd *cmd;
5065
5066 sc = context;
5067 ring = &sc->cmd_ring;
5068
5069 while (1)
5070 {
5071 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
5072 break;
5073
5074 RT2870_SOFTC_LOCK(sc);
5075
5076 cmd = STAILQ_FIRST(&ring->active);
5077 if (cmd == NULL)
5078 {
5079 RT2870_SOFTC_UNLOCK(sc);
5080 break;
5081 }
5082
5083 STAILQ_REMOVE_HEAD(&ring->active, next);
5084
5085 RT2870_SOFTC_UNLOCK(sc);
5086
5087 cmd->cb(sc, cmd->data);
5088
5089 RT2870_SOFTC_LOCK(sc);
5090
5091 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5092 ring->queued--;
5093
5094 RT2870_SOFTC_UNLOCK(sc);
5095 }
5096 }
5097
5098 /*
5099 * rt2870_rx_eof
5100 */
5101 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5102 {
5103 struct ifnet *ifp;
5104 struct rt2870_softc_rx_ring *ring;
5105 struct rt2870_softc_rx_data *data;
5106 uint32_t dmalen;
5107 uint8_t *buf;
5108 int nframes, len;
5109
5110 ifp = sc->ifp;
5111 ring = &sc->rx_ring;
5112
5113 nframes = 0;
5114
5115 while (limit != 0)
5116 {
5117 RT2870_SOFTC_LOCK(sc);
5118
5119 data = STAILQ_FIRST(&ring->done);
5120 if (data == NULL)
5121 {
5122 RT2870_SOFTC_UNLOCK(sc);
5123 break;
5124 }
5125
5126 STAILQ_REMOVE_HEAD(&ring->done, next);
5127
5128 RT2870_SOFTC_UNLOCK(sc);
5129
5130 buf = data->buf;
5131 len = data->len;
5132
5133 if (len < RT2870_RX_DESC_SIZE)
5134 {
5135 ifp->if_ierrors++;
5136 goto skip;
5137 }
5138
5139 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5140 {
5141 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5142
5143 if (dmalen == 0 || (dmalen & 3) != 0)
5144 {
5145 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5146 "%s: bad DMA len=%u\n",
5147 device_get_nameunit(sc->dev), dmalen);
5148 goto skip;
5149 }
5150
5151 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5152 {
5153 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5154 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5155 device_get_nameunit(sc->dev),
5156 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5157 goto skip;
5158 }
5159
5160 nframes++;
5161
5162 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5163
5164 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5165 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5166 }
5167
5168 skip:
5169
5170 RT2870_SOFTC_LOCK(sc);
5171
5172 STAILQ_INSERT_TAIL(&ring->active, data, next);
5173
5174 RT2870_SOFTC_UNLOCK(sc);
5175
5176 usbd_setup_xfer(data->xfer, ring->usb_pipe, sc, data->buf,
5177 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
5178 USBD_NO_TIMEOUT, rt2870_rx_intr);
5179
5180 usbd_transfer(data->xfer);
5181
5182 limit--;
5183 }
5184
5185 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5186 "%s: Rx eof: nframes=%d\n",
5187 device_get_nameunit(sc->dev), nframes);
5188
5189 sc->rx_packets += nframes;
5190
5191 return (limit == 0);
5192 }
5193
5194 /*
5195 * rt2870_tx_eof
5196 */
5197 static void rt2870_tx_eof(struct rt2870_softc *sc,
5198 struct rt2870_softc_tx_ring *ring)
5199 {
5200 struct ifnet *ifp;
5201 struct rt2870_softc_tx_data *data;
5202 int nframes;
5203
5204 ifp = sc->ifp;
5205
5206 nframes = 0;
5207
5208 while (1)
5209 {
5210 RT2870_SOFTC_LOCK(sc);
5211
5212 data = STAILQ_FIRST(&ring->done);
5213 if (data == NULL)
5214 {
5215 RT2870_SOFTC_UNLOCK(sc);
5216 break;
5217 }
5218
5219 STAILQ_REMOVE_HEAD(&ring->done, next);
5220
5221 RT2870_SOFTC_UNLOCK(sc);
5222
5223 rt2870_drain_fifo_stats(sc);
5224
5225 nframes++;
5226
5227 if (data->m->m_flags & M_TXCB)
5228 ieee80211_process_callback(data->ni, data->m, 0);
5229
5230 m_freem(data->m);
5231
5232 ieee80211_free_node(data->ni);
5233
5234 data->m = NULL;
5235 data->ni = NULL;
5236
5237 RT2870_SOFTC_LOCK(sc);
5238
5239 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5240
5241 ring->queued--;
5242
5243 RT2870_SOFTC_UNLOCK(sc);
5244
5245 ifp->if_opackets++;
5246 }
5247
5248 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5249 "%s: Tx eof: qid=%d, nframes=%d\n",
5250 device_get_nameunit(sc->dev), ring->qid, nframes);
5251 }
5252
5253 /*
5254 * rt2870_update_stats
5255 */
5256 static void rt2870_update_stats(struct rt2870_softc *sc)
5257 {
5258 struct ifnet *ifp;
5259 struct ieee80211com *ic;
5260 uint32_t stacnt[3];
5261 int beacons, noretryok, retryok, failed, underflows, zerolen;
5262
5263 ifp = sc->ifp;
5264 ic = &sc->ic;
5265
5266 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5267 "%s: update statistic\n",
5268 device_get_nameunit(sc->dev));
5269
5270 rt2870_drain_fifo_stats(sc);
5271
5272 /* read and clear Tx statistic registers */
5273
5274 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5275 stacnt, sizeof(stacnt));
5276
5277 stacnt[0] = le32toh(stacnt[0]);
5278 stacnt[1] = le32toh(stacnt[1]);
5279 stacnt[2] = le32toh(stacnt[2]);
5280
5281 beacons = stacnt[0] >> 16;
5282 noretryok = stacnt[1] & 0xffff;
5283 retryok = stacnt[1] >> 16;
5284 failed = stacnt[0] & 0xffff;
5285 underflows = stacnt[2] >> 16;
5286 zerolen = stacnt[2] & 0xffff;
5287
5288 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5289 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5290 device_get_nameunit(sc->dev),
5291 beacons, noretryok, retryok, failed, underflows, zerolen);
5292
5293 ifp->if_oerrors += failed;
5294
5295 sc->tx_beacons += beacons;
5296 sc->tx_noretryok += noretryok;
5297 sc->tx_retryok += retryok;
5298 sc->tx_failed += failed;
5299 sc->tx_underflows += underflows;
5300 sc->tx_zerolen += zerolen;
5301 }
5302
5303 /*
5304 * rt2870_bbp_tuning
5305 */
5306 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5307 {
5308 struct ieee80211com *ic;
5309 struct ieee80211_node *ni;
5310 int chan, group;
5311 int8_t rssi, old, new;
5312
5313 /* RT2860C does not support BBP tuning */
5314
5315 if (sc->mac_rev == 0x28600100)
5316 return;
5317
5318 ic = &sc->ic;
5319
5320 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
5321 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
5322 return;
5323
5324 ni = ic->ic_bss;
5325
5326 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5327
5328 if (chan <= 14)
5329 group = 0;
5330 else if (chan <= 64)
5331 group = 1;
5332 else if (chan <= 128)
5333 group = 2;
5334 else
5335 group = 3;
5336
5337 rssi = ieee80211_getrssi(ic);
5338
5339 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5340 {
5341 new = 0x2e + sc->lna_gain[group];
5342 }
5343 else
5344 {
5345 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5346 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5347 else
5348 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5349 }
5350
5351 /* Tune if absolute average RSSI is greater than -80 */
5352
5353 if (rssi > -80)
5354 new += 0x10;
5355
5356 old = rt2870_io_bbp_read(sc, 66);
5357
5358 if (old != new)
5359 rt2870_io_bbp_write(sc, 66, new);
5360 }
5361
5362 /*
5363 * rt2870_watchdog
5364 */
5365 static void rt2870_watchdog(struct rt2870_softc *sc)
5366 {
5367 uint32_t tmp;
5368 int ntries;
5369
5370 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5371
5372 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5373 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5374 device_get_nameunit(sc->dev), tmp);
5375
5376 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5377 {
5378 sc->tx_queue_not_empty[0]++;
5379
5380 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5381
5382 for (ntries = 0; ntries < 10; ntries++)
5383 {
5384 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5385 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5386 break;
5387
5388 DELAY(1);
5389 }
5390
5391 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5392 }
5393
5394 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5395 {
5396 sc->tx_queue_not_empty[1]++;
5397
5398 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5399
5400 for (ntries = 0; ntries < 10; ntries++)
5401 {
5402 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5403 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5404 break;
5405
5406 DELAY(1);
5407 }
5408
5409 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5410 }
5411 }
5412
5413 /*
5414 * rt2870_drain_fifo_stats
5415 */
5416 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5417 {
5418 struct ifnet *ifp;
5419 uint32_t stats;
5420 uint8_t wcid, mcs, pid;
5421 int ok, agg, retrycnt;
5422
5423 ifp = sc->ic.ic_ifp;
5424
5425 /* drain Tx status FIFO (maxsize = 16) */
5426
5427 while ((sc->flags & RT2870_SOFTC_FLAGS_VALID) &&
5428 (stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5429 RT2870_REG_TX_STA_FIFO_VALID)
5430 {
5431 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5432 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5433
5434 /* if no ACK was requested, no feedback is available */
5435
5436 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5437 continue;
5438
5439 /* update AMRR statistic */
5440
5441 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5442 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5443 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5444 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5445 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5446 RT2870_REG_TX_STA_FIFO_PID_MASK;
5447 retrycnt = pid - mcs;
5448
5449 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5450 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5451 device_get_nameunit(sc->dev),
5452 wcid, ok, agg, mcs, pid, retrycnt);
5453
5454 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5455
5456 if (!ok)
5457 ifp->if_oerrors++;
5458 }
5459 }
5460
5461 /*
5462 * rt2870_update_raw_counters
5463 */
5464 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5465 {
5466 uint32_t tmp;
5467
5468 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5469
5470 sc->tx_nonagg += tmp & 0xffff;
5471 sc->tx_agg += tmp >> 16;
5472
5473 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5474
5475 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5476
5477 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5478
5479 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5480
5481 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5482
5483 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5484
5485 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5486
5487 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5488
5489 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5490
5491 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5492
5493 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5494
5495 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5496
5497 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5498
5499 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5500
5501 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5502
5503 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5504
5505 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5506
5507 sc->rx_crc_errors += tmp & 0xffff;
5508 sc->rx_phy_errors += tmp >> 16;
5509
5510 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5511
5512 sc->rx_false_ccas += tmp & 0xffff;
5513 sc->rx_plcp_errors += tmp >> 16;
5514
5515 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5516
5517 sc->rx_dup_packets += tmp & 0xffff;
5518 sc->rx_fifo_overflows += tmp >> 16;
5519
5520 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5521
5522 sc->tx_mpdu_zero_density += tmp & 0xffff;
5523 sc->rx_mpdu_zero_density += tmp >> 16;
5524 }
5525
5526 /*
5527 * rt2870_alloc_rx_ring
5528 */
5529 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5530 struct rt2870_softc_rx_ring *ring)
5531 {
5532 struct rt2870_softc_rx_data *data;
5533 int i, error;
5534
5535 STAILQ_INIT(&ring->active);
5536 STAILQ_INIT(&ring->done);
5537
5538 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5539 {
5540 data = &ring->data[i];
5541
5542 data->xfer = usbd_alloc_xfer(sc->usb_dev);
5543 if (data->xfer == NULL)
5544 {
5545 printf("%s: could not allocate Rx xfer\n",
5546 device_get_nameunit(sc->dev));
5547 error = ENOMEM;
5548 goto fail;
5549 }
5550
5551 data->buf = usbd_alloc_buffer(data->xfer, RT2870_USB_RX_BULK_BUFLEN);
5552 if (data->buf == NULL)
5553 {
5554 printf("%s: could not allocate Rx buffer\n",
5555 device_get_nameunit(sc->dev));
5556 error = ENOMEM;
5557 goto fail;
5558 }
5559 }
5560
5561 return 0;
5562
5563 fail:
5564
5565 rt2870_free_rx_ring(sc, ring);
5566
5567 return error;
5568 }
5569
5570 /*
5571 * rt2870_reset_rx_ring
5572 */
5573 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5574 struct rt2870_softc_rx_ring *ring)
5575 {
5576 STAILQ_INIT(&ring->active);
5577 STAILQ_INIT(&ring->done);
5578 }
5579
5580 /*
5581 * rt2870_free_rx_ring
5582 */
5583 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5584 struct rt2870_softc_rx_ring *ring)
5585 {
5586 struct rt2870_softc_rx_data *data;
5587 int i;
5588
5589 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5590 {
5591 data = &ring->data[i];
5592
5593 if ((data->buf != NULL) && (data->xfer != NULL))
5594 {
5595 usbd_free_buffer(data->xfer);
5596 data->buf = NULL;
5597 }
5598
5599 if (data->xfer != NULL)
5600 {
5601 usbd_free_xfer(data->xfer);
5602 data->xfer = NULL;
5603 }
5604 }
5605 }
5606
5607 /*
5608 * rt2870_alloc_tx_ring
5609 */
5610 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5611 struct rt2870_softc_tx_ring *ring, int qid)
5612 {
5613 struct rt2870_softc_tx_data *data;
5614 int i, error;
5615
5616 STAILQ_INIT(&ring->inactive);
5617 STAILQ_INIT(&ring->active);
5618 STAILQ_INIT(&ring->done);
5619
5620 ring->sc = sc;
5621 ring->queued = 0;
5622 ring->qid = qid;
5623
5624 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5625 {
5626 data = &ring->data[i];
5627
5628 data->xfer = usbd_alloc_xfer(sc->usb_dev);
5629 if (data->xfer == NULL)
5630 {
5631 printf("%s: could not allocate Tx xfer\n",
5632 device_get_nameunit(sc->dev));
5633 error = ENOMEM;
5634 goto fail;
5635 }
5636
5637 data->buf = usbd_alloc_buffer(data->xfer,
5638 RT2870_TX_DESC_SIZE + MJUMPAGESIZE);
5639 if (data->buf == NULL)
5640 {
5641 printf("%s: could not allocate Tx buffer\n",
5642 device_get_nameunit(sc->dev));
5643 error = ENOMEM;
5644 goto fail;
5645 }
5646
5647 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5648
5649 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5650 }
5651
5652 return 0;
5653
5654 fail:
5655
5656 rt2870_free_tx_ring(sc, ring);
5657
5658 return error;
5659 }
5660
5661 /*
5662 * rt2870_reset_tx_ring
5663 */
5664 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5665 struct rt2870_softc_tx_ring *ring)
5666 {
5667 struct rt2870_softc_tx_data *data;
5668 int i;
5669
5670 STAILQ_INIT(&ring->inactive);
5671 STAILQ_INIT(&ring->active);
5672 STAILQ_INIT(&ring->done);
5673
5674 ring->queued = 0;
5675
5676 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5677 {
5678 data = &ring->data[i];
5679
5680 if (data->m != NULL)
5681 {
5682 m_free(data->m);
5683 data->m = NULL;
5684 }
5685
5686 if (data->ni != NULL)
5687 {
5688 ieee80211_free_node(data->ni);
5689 data->ni = NULL;
5690 }
5691
5692 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5693 }
5694 }
5695
5696 /*
5697 * rt2870_free_tx_ring
5698 */
5699 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5700 struct rt2870_softc_tx_ring *ring)
5701 {
5702 struct rt2870_softc_tx_data *data;
5703 int i;
5704
5705 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5706 {
5707 data = &ring->data[i];
5708
5709 if (data->xfer != NULL)
5710 {
5711 usbd_free_xfer(data->xfer);
5712 data->xfer = NULL;
5713 }
5714
5715 if (data->m != NULL)
5716 {
5717 m_free(data->m);
5718 data->m = NULL;
5719 }
5720
5721 if (data->ni != NULL)
5722 {
5723 ieee80211_free_node(data->ni);
5724 data->ni = NULL;
5725 }
5726 }
5727 }
5728
5729 /*
5730 * rt2870_reset_cmd_ring
5731 */
5732 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5733 struct rt2870_softc_cmd_ring *ring)
5734 {
5735 struct rt2870_softc_cmd *cmd;
5736 int i;
5737
5738 STAILQ_INIT(&ring->inactive);
5739 STAILQ_INIT(&ring->active);
5740
5741 ring->queued = 0;
5742
5743 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5744 {
5745 cmd = &ring->cmd[i];
5746
5747 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5748 }
5749 }
5750
5751 /*
5752 * rt2870_sysctl_attach
5753 */
5754 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5755 {
5756 struct sysctl_ctx_list *ctx;
5757 struct sysctl_oid *tree;
5758 struct sysctl_oid *stats;
5759
5760 ctx = device_get_sysctl_ctx(sc->dev);
5761 tree = device_get_sysctl_tree(sc->dev);
5762
5763 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5764 "stats", CTLFLAG_RD, 0, "statistic");
5765
5766 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5767 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5768 "all interrupts");
5769
5770 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5771 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5772 "Rx interrupts");
5773
5774 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5775 {
5776 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5777 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5778 "Tx MGMT interrupts");
5779
5780 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5781 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5782 "Tx HCCA interrupts");
5783 }
5784
5785 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5786 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5787 "Tx AC3 interrupts");
5788
5789 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5790 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5791 "Tx AC2 interrupts");
5792
5793 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5794 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5795 "Tx AC1 interrupts");
5796
5797 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5798 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5799 "Tx AC0 interrupts");
5800
5801 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5802 {
5803 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5804 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5805 "Tx MGMT data queued");
5806
5807 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5808 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5809 "Tx HCCA data queued");
5810 }
5811
5812 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5813 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5814 "Tx AC3 data queued");
5815
5816 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5817 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5818 "Tx AC2 data queued");
5819
5820 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5821 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5822 "Tx AC1 data queued");
5823
5824 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5825 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5826 "Tx AC0 data queued");
5827
5828 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5829 {
5830 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5831 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5832 "Tx MGMT data queue full");
5833
5834 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5835 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5836 "Tx HCCA data queue full");
5837 }
5838
5839 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5840 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5841 "Tx AC3 data queue full");
5842
5843 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5844 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5845 "Tx AC2 data queue full");
5846
5847 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5848 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5849 "Tx AC1 data queue full");
5850
5851 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5852 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5853 "Tx AC0 data queue full");
5854
5855 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5856 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5857 "Tx watchdog timeouts");
5858
5859 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5860 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5861 "Rx mbuf allocation errors");
5862
5863 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5864 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5865 "Tx queue 0 not empty");
5866
5867 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5868 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5869 "Tx queue 1 not empty");
5870
5871 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5872 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5873 "Tx beacons");
5874
5875 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5876 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5877 "Tx successfull without retries");
5878
5879 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5880 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5881 "Tx successfull with retries");
5882
5883 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5884 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5885 "Tx failed");
5886
5887 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5888 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5889 "Tx underflows");
5890
5891 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5892 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5893 "Tx zero length");
5894
5895 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5896 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5897 "Tx non-aggregated");
5898
5899 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5900 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5901 "Tx aggregated");
5902
5903 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5904 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5905 "Tx A-MPDU");
5906
5907 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5908 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5909 "Tx MPDU with zero density");
5910
5911 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5912 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
5913 "Tx A-MPDU sessions");
5914
5915 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5916 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5917 "Rx packets");
5918
5919 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5920 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5921 "Rx A-MPDU");
5922
5923 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5924 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
5925 "Rx MPDU with zero density");
5926
5927 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5928 "rx_ampdu_sessions", CTLFLAG_RD, &sc->rx_ampdu_sessions, 0,
5929 "Rx A-MPDU sessions");
5930
5931 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5932 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5933 "Rx A-MSDU");
5934
5935 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5936 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5937 "Rx CRC errors");
5938
5939 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5940 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5941 "Rx PHY errors");
5942
5943 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5944 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5945 "Rx false CCAs");
5946
5947 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5948 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5949 "Rx PLCP errors");
5950
5951 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5952 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5953 "Rx duplicate packets");
5954
5955 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5956 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5957 "Rx FIFO overflows");
5958
5959 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5960 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
5961 "Rx cipher no errors");
5962
5963 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5964 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
5965 "Rx cipher ICV errors");
5966
5967 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5968 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
5969 "Rx cipher MIC errors");
5970
5971 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5972 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
5973 "Rx cipher invalid key errors");
5974 }
5975
5976 static device_method_t rt2870_dev_methods[] =
5977 {
5978 DEVMETHOD(device_probe, rt2870_probe),
5979 DEVMETHOD(device_attach, rt2870_attach),
5980 DEVMETHOD(device_detach, rt2870_detach),
5981 { 0, 0 }
5982 };
5983
5984 static driver_t rt2870_driver =
5985 {
5986 "rt2870",
5987 rt2870_dev_methods,
5988 sizeof(struct rt2870_softc),
5989 };
5990
5991 static devclass_t rt2870_dev_class;
5992
5993 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5994 usbd_driver_load, 0);
5995
5996 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5997 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2870