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Enabled background scanning
[ralink_drivers/rt2870_fbsd72.git] / rt2870.c
blobbbd6f71d54b5d20b64329ff5f42a1c67261a2104
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_AID2WCID(aid) ((aid) & 0xff)
63
64 #define RT2870_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22)
65
66 #define RT2870_ACK_SIZE 14
67
68 #define IEEE80211_HAS_ADDR4(wh) \
69 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
70
71 #define RT2870_MS(_v, _f) (((_v) & _f) >> _f##_S)
72 #define RT2870_SM(_v, _f) (((_v) << _f##_S) & _f)
73
74 #define RT2870_USB_XFER_TIMEOUT 5000
75
76 #define RT2870_TX_WATCHDOG_TIMEOUT 5
77
78 /*
79 * Data structures and types
80 */
81
82 struct rt2870_cmd_argv_newstate
83 {
84 enum ieee80211_state nstate;
85 int arg;
86 };
87
88 struct rt2870_cmd_argv_newassoc
89 {
90 uint16_t associd;
91 int isnew;
92 uint8_t macaddr[IEEE80211_ADDR_LEN];
93 };
94
95 struct rt2870_cmd_argv_updatebeacon
96 {
97 int what;
98 };
99
100 struct rt2870_cmd_argv_keyset
101 {
102 struct ieee80211_key key;
103 uint16_t associd;
104 };
105
106 struct rt2870_cmd_argv_keydelete
107 {
108 struct ieee80211_key key;
109 uint16_t associd;
110 };
111
112 /*
113 * Static function prototypes
114 */
115
116 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc);
117
118 static void rt2870_init_channels(struct rt2870_softc *sc);
119
120 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
121
122 static void rt2870_init_locked(void *priv);
123
124 static void rt2870_init(void *priv);
125
126 static int rt2870_init_bbp(struct rt2870_softc *sc);
127
128 static void rt2870_stop_locked(void *priv);
129
130 static void rt2870_stop(void *priv);
131
132 static void rt2870_start(struct ifnet *ifp);
133
134 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
135
136 static int rt2870_reset(struct ifnet *ifp);
137
138 static int rt2870_newstate(struct ieee80211com *ic,
139 enum ieee80211_state nstate, int arg);
140
141 static void rt2870_scan_start(struct ieee80211com *ic);
142
143 static void rt2870_scan_end(struct ieee80211com *ic);
144
145 static void rt2870_set_channel(struct ieee80211com *ic);
146
147 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
148
149 static void rt2870_updateslot(struct ifnet *ifp);
150
151 static int rt2870_wme_update(struct ieee80211com *ic);
152
153 static void rt2870_update_beacon(struct ieee80211com *ic, int what);
154
155 static void rt2870_key_update_begin(struct ieee80211com *ic);
156
157 static void rt2870_key_update_end(struct ieee80211com *ic);
158
159 static int rt2870_key_set(struct ieee80211com *ic,
160 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
161
162 static int rt2870_key_delete(struct ieee80211com *ic,
163 const struct ieee80211_key *k);
164
165 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
166 const struct ieee80211_bpf_params *params);
167
168 static int rt2870_media_change(struct ifnet *ifp);
169
170 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211_node_table *nt);
171
172 static void rt2870_recv_action(struct ieee80211_node *ni,
173 const uint8_t *frm, const uint8_t *efrm);
174
175 static int rt2870_send_action(struct ieee80211_node *ni,
176 int category, int action, uint16_t args[4]);
177
178 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
179
180 static void rt2870_periodic(void *arg);
181
182 static void rt2870_tx_watchdog(void *arg);
183
184 static int rt2870_do_async(struct rt2870_softc *sc,
185 void (*cb)(struct rt2870_softc *sc, void *priv),
186 void *arg, int len);
187
188 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg);
189
190 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg);
191
192 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg);
193
194 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg);
195
196 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg);
197
198 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
199
200 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg);
201
202 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
203
204 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg);
205
206 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg);
207
208 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg);
209
210 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg);
211
212 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
213 const uint8_t *bssid);
214
215 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
216 const uint8_t *addr);
217
218 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
219
220 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
221
222 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
223
224 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
225
226 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
227
228 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
229
230 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
231
232 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
233
234 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
235
236 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
237
238 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
239
240 static int rt2870_asic_update_beacon(struct rt2870_softc *sc);
241
242 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
243
244 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
245
246 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
247 const struct rt2870_rxwi *rxwi);
248
249 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
250 uint8_t rssi, uint8_t rxpath);
251
252 static uint8_t rt2870_rate2mcs(uint8_t rate);
253
254 static int rt2870_ackrate(struct ieee80211com *ic, int rate);
255
256 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags);
257
258 static void rt2870_rx_frame(struct rt2870_softc *sc,
259 uint8_t *buf, uint32_t dmalen);
260
261 static int rt2870_tx_frame(struct rt2870_softc *sc,
262 struct mbuf *m, struct ieee80211_node *ni, int qid);
263
264 static int rt2870_tx_raw(struct rt2870_softc *sc,
265 struct mbuf *m, struct ieee80211_node *ni,
266 const struct ieee80211_bpf_params *params);
267
268 static void rt2870_rx_intr(usbd_xfer_handle xfer,
269 usbd_private_handle priv, usbd_status status);
270
271 static void rt2870_tx_intr(usbd_xfer_handle xfer,
272 usbd_private_handle priv, usbd_status status);
273
274 static void rt2870_rx_done_task(void *context, int pending);
275
276 static void rt2870_tx_done_task(void *context, int pending);
277
278 static void rt2870_periodic_task(void *context, int pending);
279
280 static void rt2870_cmd_task(void *context, int pending);
281
282 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
283
284 static void rt2870_tx_eof(struct rt2870_softc *sc,
285 struct rt2870_softc_tx_ring *ring);
286
287 static void rt2870_update_stats(struct rt2870_softc *sc);
288
289 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
290
291 static void rt2870_watchdog(struct rt2870_softc *sc);
292
293 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
294
295 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
296
297 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
298 struct rt2870_softc_rx_ring *ring);
299
300 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
301 struct rt2870_softc_rx_ring *ring);
302
303 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
304 struct rt2870_softc_rx_ring *ring);
305
306 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
307 struct rt2870_softc_tx_ring *ring, int qid);
308
309 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
310 struct rt2870_softc_tx_ring *ring);
311
312 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
313 struct rt2870_softc_tx_ring *ring);
314
315 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
316 struct rt2870_softc_cmd_ring *ring);
317
318 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
319
320 /*
321 * Static variables
322 */
323
324 static const struct usb_devno rt2870_usb_devno[] =
325 {
326 { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N }, /* Linksys WUSB600N */
327 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140 }, /* D-Link DWA-140 */
328 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB }, /* D-Link DWA-160A Rev. B */
329 { USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F }, /* Asus RT2770F */
330 { USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770 }, /* Ralink RT2770 */
331 };
332
333 static const struct
334 {
335 uint32_t reg;
336 uint32_t val;
337 } rt2870_def_mac[] =
338 {
339 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
340 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
341 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
342 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
343 { RT2870_REG_SYS_CTRL, 0x00000000 },
344 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
345 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
346 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
347 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
348 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
349 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
350 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
351 { RT2870_REG_LED_CFG, 0x7f031e46 },
352 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
353 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
354 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
355 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
356 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
357 { RT2870_REG_PBF_CFG, 0x00f40006 },
358 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
359 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
360 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
361 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
362 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
363 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
364 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
365 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
366 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
367 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
368 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
369 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
370 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
371 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
372 };
373
374 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
375
376 static const struct
377 {
378 uint8_t reg;
379 uint8_t val;
380 } rt2870_def_bbp[] =
381 {
382 { 65, 0x2c },
383 { 66, 0x38 },
384 { 69, 0x12 },
385 { 70, 0x0a },
386 { 73, 0x10 },
387 { 81, 0x37 },
388 { 82, 0x62 },
389 { 83, 0x6a },
390 { 84, 0x99 },
391 { 86, 0x00 },
392 { 91, 0x04 },
393 { 92, 0x00 },
394 { 103, 0x00 },
395 { 105, 0x05 },
396 };
397
398 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
399
400 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
401
402 #ifdef RT2870_DEBUG
403 static int rt2870_debug = 0;
404 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
405 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
406 #endif
407
408 /*
409 * rt2870_probe
410 */
411 static int rt2870_probe(device_t dev)
412 {
413 struct usb_attach_arg *uaa;
414
415 uaa = device_get_ivars(dev);
416
417 if (uaa->iface != NULL)
418 return UMATCH_NONE;
419
420 return (usb_lookup(rt2870_usb_devno, uaa->vendor, uaa->product) != NULL) ?
421 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
422 }
423
424 /*
425 * rt2870_attach
426 */
427 static int rt2870_attach(device_t dev)
428 {
429 struct rt2870_softc *sc;
430 struct usb_attach_arg *uaa;
431 usbd_status usb_error;
432 struct ieee80211com *ic;
433 struct ifnet *ifp;
434 int error, ntries, i;
435
436 sc = device_get_softc(dev);
437 uaa = device_get_ivars(dev);
438
439 sc->dev = dev;
440 sc->usb_dev = uaa->device;
441
442 #ifdef RT2870_DEBUG
443 sc->debug = rt2870_debug;
444
445 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
446 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
447 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
448 #endif
449
450 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
451 "%s: attaching\n",
452 device_get_nameunit(sc->dev));
453
454 if (usbd_set_config_no(sc->usb_dev, RT2870_USB_CONFIG_NO, 0) != 0)
455 {
456 printf("%s: could not set USB configuration no\n",
457 device_get_nameunit(sc->dev));
458 return ENXIO;
459 }
460
461 usb_error = usbd_device2interface_handle(sc->usb_dev,
462 RT2870_USB_IFACE_INDEX, &sc->usb_iface);
463 if (usb_error != 0)
464 {
465 printf("%s: could not get USB interface handle\n",
466 device_get_nameunit(sc->dev));
467 return ENXIO;
468 }
469
470 error = rt2870_find_usb_endpoints(sc);
471 if (error != 0)
472 return error;
473
474 for (ntries = 0; ntries < 100; ntries++)
475 {
476 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
477 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
478 break;
479
480 DELAY(10);
481 }
482
483 if (ntries == 100)
484 {
485 printf("%s: timeout waiting for NIC to initialize\n",
486 device_get_nameunit(sc->dev));
487 return ENXIO;
488 }
489
490 rt2870_read_eeprom(sc);
491
492 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
493 device_get_nameunit(sc->dev), sc->mac_rev,
494 rt2870_rf_name(sc->rf_rev));
495
496 /* open Tx and Rx USB bulk pipes */
497
498 for (i = 0; i < sc->usb_endpoints - 1; i++)
499 {
500 error = usbd_open_pipe(sc->usb_iface, sc->tx_ring[i].usb_ep,
501 USBD_EXCLUSIVE_USE, &sc->tx_ring[i].usb_pipe);
502 if (error != 0)
503 {
504 printf("%s: could not open Tx pipe #%d: %s\n",
505 device_get_nameunit(sc->dev), i, usbd_errstr(error));
506 goto fail;
507 }
508 }
509
510 error = usbd_open_pipe(sc->usb_iface, sc->rx_ring.usb_ep,
511 USBD_EXCLUSIVE_USE, &sc->rx_ring.usb_pipe);
512 if (error != 0)
513 {
514 printf("%s: could not open Rx pipe: %s\n",
515 device_get_nameunit(sc->dev), usbd_errstr(error));
516 goto fail;
517 }
518
519 /* allocate Tx and Rx rings */
520
521 for (i = 0; i < sc->usb_endpoints - 1; i++)
522 {
523 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
524 if (error != 0)
525 {
526 printf("%s: could not allocate Tx ring #%d\n",
527 device_get_nameunit(sc->dev), i);
528 goto fail;
529 }
530 }
531
532 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
533 sc->tx_ring_mgtqid = 5;
534 else
535 sc->tx_ring_mgtqid = 0;
536
537 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
538 if (error != 0)
539 {
540 printf("%s: could not allocate Rx ring\n",
541 device_get_nameunit(sc->dev));
542 goto fail;
543 }
544
545 callout_init(&sc->periodic_ch, 0);
546 callout_init(&sc->tx_watchdog_ch, 0);
547
548 ifp = sc->ifp = if_alloc(IFT_ETHER);
549 if (ifp == NULL)
550 {
551 printf("%s: could not if_alloc()\n",
552 device_get_nameunit(sc->dev));
553 error = ENOMEM;
554 goto fail;
555 }
556
557 ifp->if_softc = sc;
558
559 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
560
561 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
562 IFF_NEEDSGIANT;
563
564 ifp->if_init = rt2870_init;
565 ifp->if_ioctl = rt2870_ioctl;
566 ifp->if_start = rt2870_start;
567
568 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
569 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
570 IFQ_SET_READY(&ifp->if_snd);
571
572 ic = &sc->ic;
573
574 ic->ic_ifp = ifp;
575
576 ic->ic_phytype = IEEE80211_T_HT;
577 ic->ic_opmode = IEEE80211_M_STA;
578 ic->ic_state = IEEE80211_S_INIT;
579
580 ic->ic_caps = IEEE80211_C_MONITOR |
581 IEEE80211_C_IBSS |
582 IEEE80211_C_AHDEMO |
583 IEEE80211_C_HOSTAP |
584 IEEE80211_C_WDS |
585 IEEE80211_C_BGSCAN |
586 IEEE80211_C_TXPMGT |
587 IEEE80211_C_SHPREAMBLE |
588 IEEE80211_C_SHSLOT |
589 IEEE80211_C_TXFRAG |
590 IEEE80211_C_BURST |
591 IEEE80211_C_WME |
592 IEEE80211_C_WEP |
593 IEEE80211_C_TKIP |
594 IEEE80211_C_AES_CCM |
595 IEEE80211_C_WPA;
596
597 ic->ic_htcaps = IEEE80211_HTC_HT |
598 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
599 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
600 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
601 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
602 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
603 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
604 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
605 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
606
607 /* spatial streams */
608
609 if (sc->nrxpath == 2)
610 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
611 else if (sc->nrxpath == 3)
612 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
613 else
614 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
615
616 if (sc->ntxpath > 1)
617 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
618
619 /* delayed BA */
620
621 if (sc->mac_rev != 0x28600100)
622 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
623
624 /* init channels */
625
626 ic->ic_nchans = 0;
627 ic->ic_regdomain = 0;
628 ic->ic_countrycode = CTRY_DEFAULT;
629 ic->ic_location = 0;
630
631 rt2870_init_channels(sc);
632
633 rt2870_init_channels_ht40(sc);
634
635 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
636
637 ieee80211_ifattach(ic);
638
639 sc->newstate = ic->ic_newstate;
640 ic->ic_newstate = rt2870_newstate;
641
642 ic->ic_reset = rt2870_reset;
643 ic->ic_node_alloc = rt2870_node_alloc;
644 ic->ic_scan_start = rt2870_scan_start;
645 ic->ic_scan_end = rt2870_scan_end;
646 ic->ic_set_channel = rt2870_set_channel;
647 ic->ic_newassoc = rt2870_newassoc;
648 ic->ic_updateslot = rt2870_updateslot;
649 ic->ic_wme.wme_update = rt2870_wme_update;
650 ic->ic_update_beacon = rt2870_update_beacon;
651 ic->ic_crypto.cs_key_update_begin = rt2870_key_update_begin;
652 ic->ic_crypto.cs_key_update_end = rt2870_key_update_end;
653 ic->ic_crypto.cs_key_set = rt2870_key_set;
654 ic->ic_crypto.cs_key_delete = rt2870_key_delete;
655 ic->ic_raw_xmit = rt2870_raw_xmit;
656
657 sc->recv_action = ic->ic_recv_action;
658 ic->ic_recv_action = rt2870_recv_action;
659
660 sc->send_action = ic->ic_send_action;
661 ic->ic_send_action = rt2870_send_action;
662
663 /* override Rx A-MPDU factor */
664
665 ic->ic_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
666 ic->ic_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
667 ic->ic_ampdu_limit = ic->ic_ampdu_rxmax;
668
669 /* hardware requires padding between 802.11 frame header and body */
670
671 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
672
673 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
674
675 ieee80211_media_init(ic, rt2870_media_change, ieee80211_media_status);
676
677 rt2870_amrr_init(&sc->amrr, ic,
678 sc->ntxpath,
679 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
680 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
681 500);
682
683 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
684 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
685 &sc->drvbpf);
686
687 sc->rxtap_len = sizeof(sc->rxtapu);
688 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
689 sc->rxtap.ihdr.it_present = htole32(RT2870_SOFTC_RX_RADIOTAP_PRESENT);
690
691 sc->txtap_len = sizeof(sc->txtapu);
692 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
693 sc->txtap.ihdr.it_present = htole32(RT2870_SOFTC_TX_RADIOTAP_PRESENT);
694
695 /* init task queue */
696
697 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
698 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
699 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
700 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
701
702 sc->rx_process_limit = 100;
703
704 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
705 taskqueue_thread_enqueue, &sc->taskqueue);
706
707 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
708 device_get_nameunit(sc->dev));
709
710 rt2870_sysctl_attach(sc);
711
712 if (bootverbose)
713 ieee80211_announce(ic);
714
715 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->usb_dev, sc->dev);
716
717 return 0;
718
719 fail:
720
721 /* close Tx and Rx USB bulk pipes */
722
723 if (sc->rx_ring.usb_pipe != NULL)
724 {
725 usbd_abort_pipe(sc->rx_ring.usb_pipe);
726 usbd_close_pipe(sc->rx_ring.usb_pipe);
727 sc->rx_ring.usb_pipe = NULL;
728 }
729
730 for (i = 0; i < sc->usb_endpoints - 1; i++)
731 {
732 if (sc->tx_ring[i].usb_pipe != NULL)
733 {
734 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
735 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
736 sc->tx_ring[i].usb_pipe = NULL;
737 }
738 }
739
740 /* free Tx and Rx rings */
741
742 for (i = 0; i < sc->usb_endpoints - 1; i++)
743 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
744
745 rt2870_free_rx_ring(sc, &sc->rx_ring);
746
747 return error;
748 }
749
750 /*
751 * rt2870_detach
752 */
753 static int rt2870_detach(device_t dev)
754 {
755 struct rt2870_softc *sc;
756 struct ieee80211com *ic;
757 struct ifnet *ifp;
758 int i;
759
760 if (!device_is_attached(dev))
761 return 0;
762
763 sc = device_get_softc(dev);
764 ic = &sc->ic;
765 ifp = ic->ic_ifp;
766
767 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
768 "%s: detaching\n",
769 device_get_nameunit(sc->dev));
770
771 sc->tx_timer = 0;
772
773 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
774
775 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
776
777 callout_stop(&sc->periodic_ch);
778 callout_stop(&sc->tx_watchdog_ch);
779
780 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
781 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
782 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
783 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
784
785 /* close Tx and Rx USB bulk pipes */
786
787 if (sc->rx_ring.usb_pipe != NULL)
788 {
789 usbd_abort_pipe(sc->rx_ring.usb_pipe);
790 usbd_close_pipe(sc->rx_ring.usb_pipe);
791 sc->rx_ring.usb_pipe = NULL;
792 }
793
794 for (i = 0; i < sc->usb_endpoints - 1; i++)
795 {
796 if (sc->tx_ring[i].usb_pipe != NULL)
797 {
798 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
799 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
800 sc->tx_ring[i].usb_pipe = NULL;
801 }
802 }
803
804 /* free Tx and Rx rings */
805
806 for (i = 0; i < sc->usb_endpoints - 1; i++)
807 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
808
809 rt2870_free_rx_ring(sc, &sc->rx_ring);
810
811 bpfdetach(ifp);
812
813 ieee80211_ifdetach(ic);
814
815 if_free(ifp);
816
817 taskqueue_free(sc->taskqueue);
818
819 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->usb_dev, sc->dev);
820
821 return 0;
822 }
823
824 /*
825 * rt2870_find_usb_endpoints
826 */
827 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc)
828 {
829 usb_interface_descriptor_t *id;
830 usb_endpoint_descriptor_t *ed;
831 int i, j;
832
833 id = usbd_get_interface_descriptor(sc->usb_iface);
834
835 sc->usb_endpoints = id->bNumEndpoints;
836 if ((sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT + 1)) &&
837 (sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT - 2 + 1)))
838 {
839 printf("%s: wrong number of USB endpoints=%d\n",
840 device_get_nameunit(sc->dev), sc->usb_endpoints);
841 return ENXIO;
842 }
843
844 sc->rx_ring.usb_ep = -1;
845
846 for (i = 0; i < RT2870_SOFTC_TX_RING_COUNT; i++)
847 sc->tx_ring[i].usb_ep = -1;
848
849 for (i = 0, j = 0; i < id->bNumEndpoints; i++)
850 {
851 ed = usbd_interface2endpoint_descriptor(sc->usb_iface, i);
852 if (ed == NULL)
853 {
854 printf("%s: no endpoint descriptor #%d for USB interface\n",
855 device_get_nameunit(sc->dev), i);
856 return ENXIO;
857 }
858
859 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
860 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
861 {
862 sc->rx_ring.usb_ep = ed->bEndpointAddress;
863 }
864 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
865 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
866 {
867 if (j < RT2870_SOFTC_TX_RING_COUNT)
868 sc->tx_ring[j++].usb_ep = ed->bEndpointAddress;
869 else
870 sc->tx_ring[RT2870_SOFTC_TX_RING_COUNT - 1].usb_ep =
871 ed->bEndpointAddress;
872 }
873 }
874
875 if ((sc->rx_ring.usb_ep == -1) ||
876 ((j != RT2870_SOFTC_TX_RING_COUNT) && (j != RT2870_SOFTC_TX_RING_COUNT - 2)))
877 {
878 printf("%s: missing USB endpoints\n",
879 device_get_nameunit(sc->dev));
880 return ENXIO;
881 }
882
883 return 0;
884 }
885
886 /*
887 * rt2870_init_channels
888 */
889 static void rt2870_init_channels(struct rt2870_softc *sc)
890 {
891 struct ieee80211com *ic;
892 struct ieee80211_channel *c;
893 int i, flags;
894
895 ic = &sc->ic;
896
897 /* set supported channels for 2GHz band */
898
899 for (i = 1; i <= 14; i++)
900 {
901 c = &ic->ic_channels[ic->ic_nchans++];
902 flags = IEEE80211_CHAN_B;
903
904 c->ic_freq = ieee80211_ieee2mhz(i, flags);
905 c->ic_ieee = i;
906 c->ic_flags = flags;
907
908 c = &ic->ic_channels[ic->ic_nchans++];
909 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
910
911 c->ic_freq = ieee80211_ieee2mhz(i, flags);
912 c->ic_ieee = i;
913 c->ic_flags = flags;
914
915 c = &ic->ic_channels[ic->ic_nchans++];
916 flags = IEEE80211_CHAN_G;
917
918 c->ic_freq = ieee80211_ieee2mhz(i, flags);
919 c->ic_ieee = i;
920 c->ic_flags = flags;
921
922 c = &ic->ic_channels[ic->ic_nchans++];
923 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
924
925 c->ic_freq = ieee80211_ieee2mhz(i, flags);
926 c->ic_ieee = i;
927 c->ic_flags = flags;
928 }
929
930 /* set supported channels for 5GHz band */
931
932 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
933 sc->rf_rev == RT2870_EEPROM_RF_2750)
934 {
935 for (i = 36; i <= 64; i += 4)
936 {
937 c = &ic->ic_channels[ic->ic_nchans++];
938 flags = IEEE80211_CHAN_A;
939
940 c->ic_freq = ieee80211_ieee2mhz(i, flags);
941 c->ic_ieee = i;
942 c->ic_flags = flags;
943
944 c = &ic->ic_channels[ic->ic_nchans++];
945 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
946
947 c->ic_freq = ieee80211_ieee2mhz(i, flags);
948 c->ic_ieee = i;
949 c->ic_flags = flags;
950 }
951
952 for (i = 100; i <= 140; i += 4)
953 {
954 c = &ic->ic_channels[ic->ic_nchans++];
955 flags = IEEE80211_CHAN_A;
956
957 c->ic_freq = ieee80211_ieee2mhz(i, flags);
958 c->ic_ieee = i;
959 c->ic_flags = flags;
960
961 c = &ic->ic_channels[ic->ic_nchans++];
962 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
963
964 c->ic_freq = ieee80211_ieee2mhz(i, flags);
965 c->ic_ieee = i;
966 c->ic_flags = flags;
967 }
968
969 for (i = 149; i <= 165; i += 4)
970 {
971 c = &ic->ic_channels[ic->ic_nchans++];
972 flags = IEEE80211_CHAN_A;
973
974 c->ic_freq = ieee80211_ieee2mhz(i, flags);
975 c->ic_ieee = i;
976 c->ic_flags = flags;
977
978 c = &ic->ic_channels[ic->ic_nchans++];
979 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
980
981 c->ic_freq = ieee80211_ieee2mhz(i, flags);
982 c->ic_ieee = i;
983 c->ic_flags = flags;
984 }
985 }
986 }
987
988 /*
989 * rt2870_init_channels_ht40
990 */
991 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
992 {
993 struct ieee80211com *ic;
994 struct ieee80211_channel *c, *cent, *ext;
995 int i, flags;
996
997 ic = &sc->ic;
998
999 /* set supported channels for 2GHz band */
1000
1001 for (i = 1; i <= 14; i++)
1002 {
1003 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1004
1005 /* find the center channel */
1006
1007 cent = ieee80211_find_channel_byieee(ic, i,
1008 flags & ~IEEE80211_CHAN_HT);
1009 if (cent == NULL)
1010 {
1011 printf("%s: skip channel %d, could not find center channel\n",
1012 device_get_nameunit(sc->dev), i);
1013 continue;
1014 }
1015
1016 /* find the extension channel */
1017
1018 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1019 flags & ~IEEE80211_CHAN_HT);
1020 if (ext == NULL)
1021 {
1022 printf("%s: skip channel %d, could not find extension channel\n",
1023 device_get_nameunit(sc->dev), i);
1024 continue;
1025 }
1026
1027 c = &ic->ic_channels[ic->ic_nchans++];
1028
1029 *c = *cent;
1030 c->ic_extieee = ext->ic_ieee;
1031 c->ic_flags &= ~IEEE80211_CHAN_HT;
1032 c->ic_flags |= IEEE80211_CHAN_HT40U;
1033
1034 c = &ic->ic_channels[ic->ic_nchans++];
1035
1036 *c = *ext;
1037 c->ic_extieee = cent->ic_ieee;
1038 c->ic_flags &= ~IEEE80211_CHAN_HT;
1039 c->ic_flags |= IEEE80211_CHAN_HT40D;
1040 }
1041
1042 /* set supported channels for 5GHz band */
1043
1044 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1045 sc->rf_rev == RT2870_EEPROM_RF_2750)
1046 {
1047 for (i = 36; i <= 64; i += 4)
1048 {
1049 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1050
1051 /* find the center channel */
1052
1053 cent = ieee80211_find_channel_byieee(ic, i,
1054 flags & ~IEEE80211_CHAN_HT);
1055 if (cent == NULL)
1056 {
1057 printf("%s: skip channel %d, could not find center channel\n",
1058 device_get_nameunit(sc->dev), i);
1059 continue;
1060 }
1061
1062 /* find the extension channel */
1063
1064 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1065 flags & ~IEEE80211_CHAN_HT);
1066 if (ext == NULL)
1067 {
1068 printf("%s: skip channel %d, could not find extension channel\n",
1069 device_get_nameunit(sc->dev), i);
1070 continue;
1071 }
1072
1073 c = &ic->ic_channels[ic->ic_nchans++];
1074
1075 *c = *cent;
1076 c->ic_extieee = ext->ic_ieee;
1077 c->ic_flags &= ~IEEE80211_CHAN_HT;
1078 c->ic_flags |= IEEE80211_CHAN_HT40U;
1079
1080 c = &ic->ic_channels[ic->ic_nchans++];
1081
1082 *c = *ext;
1083 c->ic_extieee = cent->ic_ieee;
1084 c->ic_flags &= ~IEEE80211_CHAN_HT;
1085 c->ic_flags |= IEEE80211_CHAN_HT40D;
1086 }
1087
1088 for (i = 100; i <= 140; i += 4)
1089 {
1090 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1091
1092 /* find the center channel */
1093
1094 cent = ieee80211_find_channel_byieee(ic, i,
1095 flags & ~IEEE80211_CHAN_HT);
1096 if (cent == NULL)
1097 {
1098 printf("%s: skip channel %d, could not find center channel\n",
1099 device_get_nameunit(sc->dev), i);
1100 continue;
1101 }
1102
1103 /* find the extension channel */
1104
1105 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1106 flags & ~IEEE80211_CHAN_HT);
1107 if (ext == NULL)
1108 {
1109 printf("%s: skip channel %d, could not find extension channel\n",
1110 device_get_nameunit(sc->dev), i);
1111 continue;
1112 }
1113
1114 c = &ic->ic_channels[ic->ic_nchans++];
1115
1116 *c = *cent;
1117 c->ic_extieee = ext->ic_ieee;
1118 c->ic_flags &= ~IEEE80211_CHAN_HT;
1119 c->ic_flags |= IEEE80211_CHAN_HT40U;
1120
1121 c = &ic->ic_channels[ic->ic_nchans++];
1122
1123 *c = *ext;
1124 c->ic_extieee = cent->ic_ieee;
1125 c->ic_flags &= ~IEEE80211_CHAN_HT;
1126 c->ic_flags |= IEEE80211_CHAN_HT40D;
1127 }
1128
1129 for (i = 149; i <= 165; i += 4)
1130 {
1131 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1132
1133 /* find the center channel */
1134
1135 cent = ieee80211_find_channel_byieee(ic, i,
1136 flags & ~IEEE80211_CHAN_HT);
1137 if (cent == NULL)
1138 {
1139 printf("%s: skip channel %d, could not find center channel\n",
1140 device_get_nameunit(sc->dev), i);
1141 continue;
1142 }
1143
1144 /* find the extension channel */
1145
1146 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1147 flags & ~IEEE80211_CHAN_HT);
1148 if (ext == NULL)
1149 {
1150 printf("%s: skip channel %d, could not find extension channel\n",
1151 device_get_nameunit(sc->dev), i);
1152 continue;
1153 }
1154
1155 c = &ic->ic_channels[ic->ic_nchans++];
1156
1157 *c = *cent;
1158 c->ic_extieee = ext->ic_ieee;
1159 c->ic_flags &= ~IEEE80211_CHAN_HT;
1160 c->ic_flags |= IEEE80211_CHAN_HT40U;
1161
1162 c = &ic->ic_channels[ic->ic_nchans++];
1163
1164 *c = *ext;
1165 c->ic_extieee = cent->ic_ieee;
1166 c->ic_flags &= ~IEEE80211_CHAN_HT;
1167 c->ic_flags |= IEEE80211_CHAN_HT40D;
1168 }
1169 }
1170 }
1171
1172 /*
1173 * rt2870_init_locked
1174 */
1175 static void rt2870_init_locked(void *priv)
1176 {
1177 struct rt2870_softc *sc;
1178 struct ieee80211com *ic;
1179 struct ifnet *ifp;
1180 struct rt2870_softc_rx_data *data;
1181 int ntries, error, i;
1182 uint32_t tmp, stacnt[6];
1183
1184 sc = priv;
1185 ic = &sc->ic;
1186 ifp = ic->ic_ifp;
1187
1188 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1189 "%s: initializing\n",
1190 device_get_nameunit(sc->dev));
1191
1192 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1193 {
1194 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1195 "%s: loading 8051 microcode\n",
1196 device_get_nameunit(sc->dev));
1197
1198 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1199 if (error != 0)
1200 {
1201 printf("%s: could not load 8051 microcode\n",
1202 device_get_nameunit(sc->dev));
1203 goto fail;
1204 }
1205
1206 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1207 "%s: 8051 microcode was successfully loaded\n",
1208 device_get_nameunit(sc->dev));
1209
1210 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1211 }
1212
1213 /* wait while DMA engine is busy */
1214
1215 for (ntries = 0; ntries < 100; ntries++)
1216 {
1217 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1218 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1219 break;
1220
1221 DELAY(1000);
1222 }
1223
1224 if (ntries == 100)
1225 {
1226 printf("%s: timeout waiting for DMA engine\n",
1227 device_get_nameunit(sc->dev));
1228 goto fail;
1229 }
1230
1231 tmp &= 0xff0;
1232 tmp |= RT2870_REG_TX_WB_DDONE;
1233
1234 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1235
1236 /* PBF hardware reset */
1237
1238 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1239
1240 tmp &= ~(1 << 13);
1241
1242 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1243
1244 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1245 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1246
1247 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1248
1249 rt2870_io_mcu_reset(sc);
1250
1251 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1252
1253 /* init Tx power per rate */
1254
1255 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1256 {
1257 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1258 continue;
1259
1260 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1261 sc->txpow_rate_20mhz[i]);
1262 }
1263
1264 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1265 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1266 rt2870_def_mac[i].val);
1267
1268 /* wait while MAC is busy */
1269
1270 for (ntries = 0; ntries < 100; ntries++)
1271 {
1272 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1273 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1274 break;
1275
1276 DELAY(1000);
1277 }
1278
1279 if (ntries == 100)
1280 {
1281 printf("%s: timeout waiting for MAC\n",
1282 device_get_nameunit(sc->dev));
1283 goto fail;
1284 }
1285
1286 /* clear Host to MCU mailbox */
1287
1288 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1289 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1290
1291 DELAY(1000);
1292
1293 error = rt2870_init_bbp(sc);
1294 if (error != 0)
1295 goto fail;
1296
1297 /* set up maximum buffer sizes */
1298
1299 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1300
1301 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1302 {
1303 tmp &= 0xfff;
1304 tmp |= 0x2000;
1305 }
1306
1307 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1308
1309 /* set mac address */
1310
1311 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1312
1313 rt2870_asic_set_macaddr(sc, ic->ic_myaddr);
1314
1315 /* clear statistic registers */
1316
1317 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1318 stacnt, sizeof(stacnt));
1319
1320 /* send LEDs operating mode to microcontroller */
1321
1322 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1323 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1324 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1325 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1326 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1327 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1328
1329 /* write vendor-specific BBP values (from EEPROM) */
1330
1331 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1332 {
1333 if (sc->bbp_eeprom[i].reg == 0x00 ||
1334 sc->bbp_eeprom[i].reg == 0xff)
1335 continue;
1336
1337 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1338 sc->bbp_eeprom[i].val);
1339 }
1340
1341 /* disable non-existing Rx chains */
1342
1343 tmp = rt2870_io_bbp_read(sc, 3);
1344
1345 tmp &= ~((1 << 4) | (1 << 3));
1346
1347 if (sc->nrxpath == 3)
1348 tmp |= (1 << 4);
1349 else if (sc->nrxpath == 2)
1350 tmp |= (1 << 3);
1351
1352 rt2870_io_bbp_write(sc, 3, tmp);
1353
1354 /* disable non-existing Tx chains */
1355
1356 tmp = rt2870_io_bbp_read(sc, 1);
1357
1358 tmp &= ~((1 << 4) | (1 << 3));
1359
1360 if (sc->ntxpath == 2)
1361 tmp |= (1 << 4);
1362
1363 rt2870_io_bbp_write(sc, 1, tmp);
1364
1365 /* set current channel */
1366
1367 rt2870_rf_set_chan(sc, ic->ic_curchan);
1368
1369 /* turn radio LED on */
1370
1371 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1372
1373 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1374 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1375
1376 /* set RTS threshold */
1377
1378 rt2870_asic_update_rtsthreshold(sc);
1379
1380 /* set Tx power */
1381
1382 rt2870_asic_update_txpower(sc);
1383
1384 /* set up protection mode */
1385
1386 rt2870_asic_updateprot(sc);
1387
1388 /* clear key tables */
1389
1390 rt2870_asic_clear_keytables(sc);
1391
1392 /* clear beacon frame space (entries = 8, entry size = 512) */
1393
1394 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1395
1396 /* enable Tx/Rx DMA engine */
1397
1398 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
1399
1400 tmp &= 0xffffff00;
1401 tmp |= 0x1e;
1402
1403 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
1404
1405 if ((sc->mac_rev & 0xffff) != 0x0101)
1406 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
1407
1408 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
1409
1410 for (ntries = 0; ntries < 200; ntries++)
1411 {
1412 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1413 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1414 break;
1415
1416 DELAY(1000);
1417 }
1418
1419 if (ntries == 200)
1420 {
1421 printf("%s: timeout waiting for DMA engine\n",
1422 device_get_nameunit(sc->dev));
1423 goto fail;
1424 }
1425
1426 DELAY(50);
1427
1428 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1429 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
1430 (48 << 16) | 96);
1431
1432 tmp |= RT2870_REG_TX_WB_DDONE |
1433 RT2870_REG_RX_DMA_ENABLE |
1434 RT2870_REG_TX_DMA_ENABLE;
1435
1436 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1437
1438 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
1439 RT2870_REG_USB_DMA_RX_ENABLE |
1440 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
1441 /* Rx agg limit in unit of 1024 byte */
1442 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
1443 /* Rx agg timeout in unit of 33ns */
1444 0x80;
1445
1446 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
1447
1448 /* set Rx filter */
1449
1450 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
1451 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
1452
1453 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1454 {
1455 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
1456 RT2870_REG_RX_FILTER_DROP_CTS |
1457 RT2870_REG_RX_FILTER_DROP_BA |
1458 RT2870_REG_RX_FILTER_DROP_ACK |
1459 RT2870_REG_RX_FILTER_DROP_VER_ERR |
1460 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
1461 RT2870_REG_RX_FILTER_DROP_CFACK |
1462 RT2870_REG_RX_FILTER_DROP_CFEND;
1463
1464 if (ic->ic_opmode == IEEE80211_M_STA)
1465 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
1466 RT2870_REG_RX_FILTER_DROP_PSPOLL;
1467
1468 if (!(ifp->if_flags & IFF_PROMISC))
1469 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
1470 }
1471
1472 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
1473
1474 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1475 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1476
1477 /* clear garbage interrupts */
1478
1479 tmp = rt2870_io_mac_read(sc, 0x1300);
1480
1481 taskqueue_unblock(sc->taskqueue);
1482
1483 /* init Tx and Rx rings */
1484
1485 for(i = 0; i < sc->usb_endpoints - 1; i++)
1486 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1487
1488 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1489
1490 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1491
1492 /* start up the receive pipe */
1493
1494 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1495 {
1496 data = &sc->rx_ring.data[i];
1497
1498 STAILQ_INSERT_TAIL(&sc->rx_ring.active, data, next);
1499
1500 usbd_setup_xfer(data->xfer, sc->rx_ring.usb_pipe, sc, data->buf,
1501 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
1502 USBD_NO_TIMEOUT, rt2870_rx_intr);
1503
1504 usbd_transfer(data->xfer);
1505 }
1506
1507 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1508 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1509
1510 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1511 {
1512 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1513 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1514 }
1515 else
1516 {
1517 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1518 }
1519
1520 sc->periodic_round = 0;
1521
1522 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1523
1524 return;
1525
1526 fail:
1527
1528 rt2870_stop_locked(sc);
1529 }
1530
1531 /*
1532 * rt2870_init
1533 */
1534 static void rt2870_init(void *priv)
1535 {
1536 struct rt2870_softc *sc;
1537
1538 sc = priv;
1539
1540 rt2870_init_locked(sc);
1541 }
1542
1543 /*
1544 * rt2870_init_bbp
1545 */
1546 static int rt2870_init_bbp(struct rt2870_softc *sc)
1547 {
1548 int ntries, i;
1549 uint8_t tmp;
1550
1551 for (ntries = 0; ntries < 20; ntries++)
1552 {
1553 tmp = rt2870_io_bbp_read(sc, 0);
1554 if (tmp != 0x00 && tmp != 0xff)
1555 break;
1556 }
1557
1558 if (tmp == 0x00 || tmp == 0xff)
1559 {
1560 printf("%s: timeout waiting for BBP to wakeup\n",
1561 device_get_nameunit(sc->dev));
1562 return ETIMEDOUT;
1563 }
1564
1565 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1566 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1567 rt2870_def_bbp[i].val);
1568
1569 if ((sc->mac_rev & 0xffff) != 0x0101)
1570 rt2870_io_bbp_write(sc, 84, 0x19);
1571
1572 return 0;
1573 }
1574
1575 /*
1576 * rt2870_stop
1577 */
1578 static void rt2870_stop_locked(void *priv)
1579 {
1580 struct rt2870_softc *sc;
1581 struct ieee80211com *ic;
1582 struct ifnet *ifp;
1583 uint32_t tmp;
1584 int i;
1585
1586 sc = priv;
1587 ic = &sc->ic;
1588 ifp = ic->ic_ifp;
1589
1590 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1591 "%s: stopping\n",
1592 device_get_nameunit(sc->dev));
1593
1594 sc->tx_timer = 0;
1595
1596 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1597 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1598
1599 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1600
1601 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1602
1603 callout_stop(&sc->periodic_ch);
1604 callout_stop(&sc->tx_watchdog_ch);
1605
1606 taskqueue_block(sc->taskqueue);
1607
1608 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1609 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1610 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1611 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1612
1613 /* clear key tables */
1614
1615 rt2870_asic_clear_keytables(sc);
1616
1617 /* disable Tx/Rx */
1618
1619 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1620
1621 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1622
1623 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1624
1625 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1626
1627 /* reset adapter */
1628
1629 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1630 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1631 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1632
1633 /* abort any pending transfers */
1634
1635 if (sc->rx_ring.usb_pipe != NULL)
1636 usbd_abort_pipe(sc->rx_ring.usb_pipe);
1637
1638 for (i = 0; i < sc->usb_endpoints - 1; i++)
1639 if (sc->tx_ring[i].usb_pipe != NULL)
1640 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
1641 }
1642
1643 /*
1644 * rt2870_stop
1645 */
1646 static void rt2870_stop(void *priv)
1647 {
1648 struct rt2870_softc *sc;
1649
1650 sc = priv;
1651
1652 rt2870_stop_locked(sc);
1653 }
1654
1655 /*
1656 * rt2870_start
1657 */
1658 static void rt2870_start(struct ifnet *ifp)
1659 {
1660 struct rt2870_softc *sc;
1661 struct ieee80211com *ic;
1662 struct ieee80211_node *ni;
1663 struct ether_header *eh;
1664 struct mbuf *m;
1665 int qid;
1666
1667 sc = ifp->if_softc;
1668 ic = &sc->ic;
1669
1670 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1671 return;
1672
1673 for (;;)
1674 {
1675 IF_POLL(&ic->ic_mgtq, m);
1676 if (m != NULL)
1677 {
1678 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1679 {
1680 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1681 "%s: if_start: Tx ring with qid=%d is full\n",
1682 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1683
1684 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1685
1686 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1687
1688 break;
1689 }
1690
1691 IF_DEQUEUE(&ic->ic_mgtq, m);
1692
1693 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1694 m->m_pkthdr.rcvif = NULL;
1695
1696 if (bpf_peers_present(ic->ic_rawbpf))
1697 bpf_mtap(ic->ic_rawbpf, m);
1698
1699 if (rt2870_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1700 break;
1701 }
1702 else
1703 {
1704 if (ic->ic_state != IEEE80211_S_RUN)
1705 break;
1706
1707 IF_POLL(&ifp->if_snd, m);
1708 if (m == NULL)
1709 break;
1710
1711 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1712
1713 if (ic->ic_flags & IEEE80211_F_SCAN)
1714 ieee80211_cancel_scan(ic);
1715
1716 if (m->m_len < sizeof(struct ether_header) &&
1717 !(m = m_pullup(m, sizeof (struct ether_header))))
1718 continue;
1719
1720 eh = mtod(m, struct ether_header *);
1721
1722 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1723 if (ni == NULL)
1724 {
1725 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1726 "%s: if_start: could not find Tx node\n",
1727 device_get_nameunit(sc->dev));
1728
1729 m_freem(m);
1730
1731 continue;
1732 }
1733
1734 ieee80211_classify(ic, m, ni);
1735
1736 qid = M_WME_GETAC(m);
1737
1738 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1739 {
1740 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1741 "%s: if_start: Tx ring with qid=%d is full\n",
1742 device_get_nameunit(sc->dev), qid);
1743
1744 m_freem(m);
1745 ieee80211_free_node(ni);
1746
1747 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1748 ifp->if_oerrors++;
1749
1750 sc->tx_data_queue_full[qid]++;
1751
1752 break;
1753 }
1754
1755 BPF_MTAP(ifp, m);
1756
1757 m = ieee80211_encap(ic, m, ni);
1758 if (m == NULL)
1759 {
1760 ieee80211_free_node(ni);
1761
1762 ifp->if_oerrors++;
1763
1764 continue;
1765 }
1766
1767 if (bpf_peers_present(ic->ic_rawbpf))
1768 bpf_mtap(ic->ic_rawbpf, m);
1769
1770 if (rt2870_tx_frame(sc, m, ni, qid) != 0)
1771 {
1772 ieee80211_free_node(ni);
1773
1774 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1775 ifp->if_oerrors++;
1776
1777 break;
1778 }
1779 }
1780
1781 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1782
1783 ic->ic_lastdata = ticks;
1784
1785 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1786 }
1787 }
1788
1789 /*
1790 * rt2870_ioctl
1791 */
1792 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1793 {
1794 struct rt2870_softc *sc;
1795 struct ieee80211com *ic;
1796 int error;
1797
1798 sc = ifp->if_softc;
1799 ic = &sc->ic;
1800
1801 error = 0;
1802
1803 switch (cmd)
1804 {
1805 case SIOCSIFFLAGS:
1806 if (ifp->if_flags & IFF_UP)
1807 {
1808 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1809 {
1810 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1811 rt2870_asic_update_promisc(sc);
1812 }
1813 else
1814 {
1815 rt2870_init_locked(sc);
1816 }
1817 }
1818 else
1819 {
1820 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1821 rt2870_stop_locked(sc);
1822 }
1823
1824 sc->if_flags = ifp->if_flags;
1825 break;
1826
1827 default:
1828 error = ieee80211_ioctl(ic, cmd, data);
1829 }
1830
1831 if (error == ENETRESET)
1832 {
1833 if ((ifp->if_flags & IFF_UP) &&
1834 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1835 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1836 {
1837 rt2870_stop_locked(sc);
1838 rt2870_init_locked(sc);
1839 }
1840
1841 error = 0;
1842 }
1843
1844 return error;
1845 }
1846
1847 /*
1848 * rt2870_reset
1849 */
1850 static int rt2870_reset(struct ifnet *ifp)
1851 {
1852 struct rt2870_softc *sc;
1853 struct ieee80211com *ic;
1854
1855 sc = ifp->if_softc;
1856 ic = &sc->ic;
1857
1858 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1859 return ENETRESET;
1860
1861 rt2870_rf_set_chan(sc, ic->ic_curchan);
1862
1863 return 0;
1864 }
1865
1866 /*
1867 * rt2870_newstate
1868 */
1869 static int rt2870_newstate(struct ieee80211com *ic,
1870 enum ieee80211_state nstate, int arg)
1871 {
1872 struct rt2870_softc *sc;
1873 struct ifnet *ifp;
1874 struct rt2870_cmd_argv_newstate cmd_argv;
1875
1876 ifp = ic->ic_ifp;
1877 sc = ifp->if_softc;
1878
1879 cmd_argv.nstate = nstate;
1880 cmd_argv.arg = arg;
1881
1882 rt2870_do_async(sc, rt2870_newstate_cb, &cmd_argv,
1883 sizeof(struct rt2870_cmd_argv_newstate));
1884
1885 return 0;
1886 }
1887
1888 /*
1889 * rt2870_scan_start
1890 */
1891 static void rt2870_scan_start(struct ieee80211com *ic)
1892 {
1893 struct rt2870_softc *sc;
1894 struct ifnet *ifp;
1895
1896 ifp = ic->ic_ifp;
1897 sc = ifp->if_softc;
1898
1899 rt2870_do_async(sc, rt2870_scan_start_cb, NULL, 0);
1900 }
1901
1902 /*
1903 * rt2870_scan_end
1904 */
1905 static void rt2870_scan_end(struct ieee80211com *ic)
1906 {
1907 struct rt2870_softc *sc;
1908 struct ifnet *ifp;
1909
1910 ifp = ic->ic_ifp;
1911 sc = ifp->if_softc;
1912
1913 rt2870_do_async(sc, rt2870_scan_end_cb, NULL, 0);
1914 }
1915
1916 /*
1917 * rt2870_set_channel
1918 */
1919 static void rt2870_set_channel(struct ieee80211com *ic)
1920 {
1921 struct rt2870_softc *sc;
1922 struct ifnet *ifp;
1923
1924 ifp = ic->ic_ifp;
1925 sc = ifp->if_softc;
1926
1927 rt2870_do_async(sc, rt2870_set_channel_cb, NULL, 0);
1928 }
1929
1930 /*
1931 * rt2870_newassoc
1932 */
1933 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
1934 {
1935 struct rt2870_softc *sc;
1936 struct ieee80211com *ic;
1937 struct ifnet *ifp;
1938 struct rt2870_cmd_argv_newassoc cmd_argv;
1939
1940 ic = ni->ni_ic;
1941 ifp = ic->ic_ifp;
1942 sc = ifp->if_softc;
1943
1944 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
1945 cmd_argv.isnew = isnew;
1946 memcpy(cmd_argv.macaddr, ni->ni_macaddr, IEEE80211_ADDR_LEN);
1947
1948 rt2870_do_async(sc, rt2870_newassoc_cb, &cmd_argv,
1949 sizeof(struct rt2870_cmd_argv_newassoc));
1950 }
1951
1952 /*
1953 * rt2870_updateslot
1954 */
1955 static void rt2870_updateslot(struct ifnet *ifp)
1956 {
1957 struct rt2870_softc *sc;
1958
1959 sc = ifp->if_softc;
1960
1961 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
1962 }
1963
1964 /*
1965 * rt2870_wme_update
1966 */
1967 static int rt2870_wme_update(struct ieee80211com *ic)
1968 {
1969 struct rt2870_softc *sc;
1970 struct ifnet *ifp;
1971
1972 ifp = ic->ic_ifp;
1973 sc = ifp->if_softc;
1974
1975 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
1976
1977 return 0;
1978 }
1979
1980 /*
1981 * rt2870_update_beacon
1982 */
1983 static void rt2870_update_beacon(struct ieee80211com *ic, int what)
1984 {
1985 struct rt2870_softc *sc;
1986 struct ifnet *ifp;
1987 struct rt2870_cmd_argv_updatebeacon cmd_argv;
1988
1989 ifp = ic->ic_ifp;
1990 sc = ifp->if_softc;
1991
1992 cmd_argv.what = what;
1993
1994 rt2870_do_async(sc, rt2870_update_beacon_cb, &cmd_argv,
1995 sizeof(struct rt2870_cmd_argv_updatebeacon));
1996 }
1997
1998 /*
1999 * rt2870_key_update_begin
2000 */
2001 static void rt2870_key_update_begin(struct ieee80211com *ic)
2002 {
2003 struct rt2870_softc *sc;
2004 struct ifnet *ifp;
2005
2006 ifp = ic->ic_ifp;
2007 sc = ifp->if_softc;
2008
2009 rt2870_do_async(sc, rt2870_key_update_begin_cb, NULL, 0);
2010 }
2011
2012 /*
2013 * rt2870_key_update_end
2014 */
2015 static void rt2870_key_update_end(struct ieee80211com *ic)
2016 {
2017 struct rt2870_softc *sc;
2018 struct ifnet *ifp;
2019
2020 ifp = ic->ic_ifp;
2021 sc = ifp->if_softc;
2022
2023 rt2870_do_async(sc, rt2870_key_update_end_cb, NULL, 0);
2024 }
2025
2026 /*
2027 * rt2870_key_set
2028 */
2029 static int rt2870_key_set(struct ieee80211com *ic,
2030 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2031 {
2032 struct rt2870_softc *sc;
2033 struct ifnet *ifp;
2034 struct ieee80211_node *ni;
2035 struct rt2870_cmd_argv_keyset cmd_argv;
2036
2037 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2038 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2039 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2040 return EINVAL;
2041
2042 ifp = ic->ic_ifp;
2043 sc = ifp->if_softc;
2044
2045 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2046 ni = ic->ic_bss;
2047 else
2048 ni = ieee80211_find_node(&ic->ic_sta, mac);
2049
2050 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2051 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2052
2053 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2054 ieee80211_free_node(ni);
2055
2056 rt2870_do_async(sc, rt2870_key_set_cb, &cmd_argv,
2057 sizeof(struct rt2870_cmd_argv_keyset));
2058
2059 return 1;
2060 }
2061
2062 /*
2063 * rt2870_key_delete
2064 */
2065 static int rt2870_key_delete(struct ieee80211com *ic,
2066 const struct ieee80211_key *k)
2067 {
2068 struct rt2870_softc *sc;
2069 struct ifnet *ifp;
2070 struct ieee80211_node *ni;
2071 struct rt2870_cmd_argv_keydelete cmd_argv;
2072
2073 ifp = ic->ic_ifp;
2074 sc = ifp->if_softc;
2075 ni = ic->ic_bss;
2076
2077 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2078 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2079
2080 rt2870_do_async(sc, rt2870_key_delete_cb, &cmd_argv,
2081 sizeof(struct rt2870_cmd_argv_keydelete));
2082
2083 return 1;
2084 }
2085
2086 /*
2087 * rt2870_raw_xmit
2088 */
2089 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2090 const struct ieee80211_bpf_params *params)
2091 {
2092 struct ieee80211com *ic;
2093 struct ifnet *ifp;
2094 struct rt2870_softc *sc;
2095
2096 ic = ni->ni_ic;
2097 ifp = ic->ic_ifp;
2098 sc = ifp->if_softc;
2099
2100 return 0;
2101 }
2102
2103 /*
2104 * rt2870_media_change
2105 */
2106 static int rt2870_media_change(struct ifnet *ifp)
2107 {
2108 struct rt2870_softc *sc;
2109 int error;
2110
2111 sc = ifp->if_softc;
2112
2113 error = ieee80211_media_change(ifp);
2114 if (error != ENETRESET)
2115 return error;
2116
2117 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2118 {
2119 rt2870_stop(sc);
2120 rt2870_init(sc);
2121 }
2122
2123 return 0;
2124 }
2125
2126 /*
2127 * rt2870_node_alloc
2128 */
2129 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211_node_table *nt)
2130 {
2131 return malloc(sizeof(struct rt2870_softc_node),
2132 M_80211_NODE, M_NOWAIT | M_ZERO);
2133 }
2134
2135 /*
2136 * rt2870_recv_action
2137 */
2138 static void rt2870_recv_action(struct ieee80211_node *ni,
2139 const uint8_t *frm, const uint8_t *efrm)
2140 {
2141 struct rt2870_softc *sc;
2142 struct ieee80211com *ic;
2143 struct ifnet *ifp;
2144 const struct ieee80211_action *ia;
2145 struct ieee80211_tx_ampdu *tx_ampdu;
2146 uint16_t associd, status, baparamset;
2147 uint8_t wcid;
2148 int tid, bufsize, ac;
2149 uint32_t tmp;
2150
2151 ic = ni->ni_ic;
2152 ifp = ic->ic_ifp;
2153 sc = ifp->if_softc;
2154
2155 ia = (const struct ieee80211_action *) frm;
2156
2157 sc->recv_action(ni, frm, efrm);
2158
2159 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2160 return;
2161
2162 associd = (ni != NULL) ? ni->ni_associd : 0;
2163 wcid = RT2870_AID2WCID(associd);
2164
2165 switch (ia->ia_action)
2166 {
2167 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2168 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2169 baparamset = LE_READ_2(frm + 3);
2170 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2171 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2172
2173 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2174 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2175 device_get_nameunit(sc->dev), associd, tid, bufsize);
2176
2177 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2178
2179 tmp |= (0x10000 << tid);
2180
2181 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2182 break;
2183
2184 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2185 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2186 status = LE_READ_2(frm + 3);
2187 baparamset = LE_READ_2(frm + 4);
2188 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2189 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2190 ac = TID_TO_WME_AC(tid);
2191 tx_ampdu = &ni->ni_tx_ampdu[ac];
2192
2193 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2194 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2195 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2196
2197 if (sc->mac_rev >= 0x28720200)
2198 {
2199 if (tx_ampdu->txa_wnd > 13)
2200 tx_ampdu->txa_wnd = 13;
2201 }
2202 else
2203 {
2204 if (tx_ampdu->txa_wnd > 7)
2205 tx_ampdu->txa_wnd = 7;
2206 }
2207
2208 if (status == IEEE80211_STATUS_SUCCESS)
2209 {
2210 sc->tx_ampdu_sessions++;
2211
2212 rt2870_asic_updateprot(sc);
2213 }
2214 break;
2215
2216 /* IEEE80211_ACTION_BA_DELBA */
2217 case IEEE80211_ACTION_BA_DELBA:
2218 baparamset = LE_READ_2(frm + 2);
2219 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2220
2221 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2222 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2223 device_get_nameunit(sc->dev), associd, tid);
2224
2225 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2226
2227 tmp &= ~(0x10000 << tid);
2228
2229 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2230 break;
2231 }
2232 }
2233
2234 /*
2235 * rt2870_send_action
2236 */
2237 static int rt2870_send_action(struct ieee80211_node *ni,
2238 int category, int action, uint16_t args[4])
2239 {
2240 struct rt2870_softc *sc;
2241 struct ieee80211com *ic;
2242 struct ifnet *ifp;
2243 uint16_t associd, baparamset;
2244 uint8_t wcid;
2245 int ret, tid;
2246 uint32_t tmp;
2247
2248 ic = ni->ni_ic;
2249 ifp = ic->ic_ifp;
2250 sc = ifp->if_softc;
2251
2252 ret = sc->send_action(ni, category, action, args);
2253
2254 if (category != IEEE80211_ACTION_CAT_BA)
2255 return ret;
2256
2257 associd = (ni != NULL) ? ni->ni_associd : 0;
2258 wcid = RT2870_AID2WCID(associd);
2259
2260 switch (action)
2261 {
2262 /* IEEE80211_ACTION_BA_DELBA */
2263 case IEEE80211_ACTION_BA_DELBA:
2264 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2265
2266 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2267
2268 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2269 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2270 device_get_nameunit(sc->dev), associd, tid);
2271
2272 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2273 {
2274 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2275
2276 tmp &= ~(0x10000 << tid);
2277
2278 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2279 }
2280 else
2281 {
2282 sc->tx_ampdu_sessions--;
2283
2284 rt2870_asic_updateprot(sc);
2285 }
2286 break;
2287 }
2288
2289 return ret;
2290 }
2291
2292 /*
2293 * rt2870_amrr_update_iter_func
2294 */
2295 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2296 {
2297 struct rt2870_softc *sc;
2298 struct ieee80211com *ic;
2299 uint8_t wcid;
2300
2301 sc = arg;
2302 ic = &sc->ic;
2303
2304 /* only associated stations */
2305
2306 if (ni->ni_associd != 0)
2307 {
2308 wcid = RT2870_AID2WCID(ni->ni_associd);
2309
2310 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2311 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2312 device_get_nameunit(sc->dev),
2313 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2314
2315 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2316
2317 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2318 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2319 device_get_nameunit(sc->dev),
2320 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2321 ni->ni_associd,
2322 (ni->ni_flags & IEEE80211_NODE_HT) ?
2323 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2324 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2325 (ni->ni_flags & IEEE80211_NODE_HT) ?
2326 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2327 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2328 }
2329 }
2330
2331 /*
2332 * rt2870_periodic
2333 */
2334 static void rt2870_periodic(void *arg)
2335 {
2336 struct rt2870_softc *sc;
2337 struct ifnet *ifp;
2338
2339 sc = arg;
2340 ifp = sc->ifp;
2341
2342 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2343 "%s: periodic\n",
2344 device_get_nameunit(sc->dev));
2345
2346 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2347 return;
2348
2349 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2350 }
2351
2352 /*
2353 * rt2870_tx_watchdog
2354 */
2355 static void rt2870_tx_watchdog(void *arg)
2356 {
2357 struct rt2870_softc *sc;
2358 struct ifnet *ifp;
2359
2360 sc = arg;
2361 ifp = sc->ifp;
2362
2363 if (sc->tx_timer == 0)
2364 return;
2365
2366 if (--sc->tx_timer == 0)
2367 {
2368 printf("%s: Tx watchdog timeout: resetting\n",
2369 device_get_nameunit(sc->dev));
2370
2371 rt2870_stop_locked(sc);
2372 rt2870_init_locked(sc);
2373
2374 ifp->if_oerrors++;
2375
2376 sc->tx_watchdog_timeouts++;
2377 }
2378
2379 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2380 }
2381
2382 /*
2383 * rt2870_do_async
2384 */
2385 static int rt2870_do_async(struct rt2870_softc *sc,
2386 void (*cb)(struct rt2870_softc *sc, void *arg),
2387 void *arg, int len)
2388 {
2389 struct ifnet *ifp;
2390 struct rt2870_softc_cmd_ring *ring;
2391 struct rt2870_softc_cmd *cmd;
2392 int run_cmd_task;
2393
2394 ifp = sc->ifp;
2395 ring = &sc->cmd_ring;
2396
2397 RT2870_SOFTC_LOCK(sc);
2398
2399 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2400 {
2401 RT2870_SOFTC_UNLOCK(sc);
2402 return -1;
2403 }
2404
2405 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2406 {
2407 RT2870_SOFTC_UNLOCK(sc);
2408 return -1;
2409 }
2410
2411 cmd = STAILQ_FIRST(&ring->inactive);
2412 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2413
2414 cmd->cb = cb;
2415
2416 if(arg != NULL)
2417 memcpy(cmd->data, arg, len);
2418
2419 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2420 ring->queued++;
2421
2422 run_cmd_task = (ring->queued == 1);
2423
2424 RT2870_SOFTC_UNLOCK(sc);
2425
2426 if (run_cmd_task)
2427 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2428
2429 return 0;
2430 }
2431
2432 /*
2433 * rt2870_newstate_cb
2434 */
2435 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg)
2436 {
2437 struct ieee80211com *ic;
2438 enum ieee80211_state nstate;
2439 struct ieee80211_node *ni;
2440 struct rt2870_cmd_argv_newstate *cmd_argv;
2441 int error;
2442
2443 ic = &sc->ic;
2444 cmd_argv = arg;
2445 nstate = cmd_argv->nstate;
2446
2447 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2448 "%s: newstate: %s -> %s\n",
2449 device_get_nameunit(sc->dev),
2450 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
2451
2452 error = sc->newstate(ic, nstate, cmd_argv->arg);
2453 if (error != 0)
2454 return;
2455
2456 /* turn link LED off */
2457
2458 if (nstate != IEEE80211_S_RUN)
2459 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2460
2461 switch (nstate)
2462 {
2463 case IEEE80211_S_INIT:
2464 rt2870_asic_disable_tsf_sync(sc);
2465 break;
2466
2467 case IEEE80211_S_RUN:
2468 ni = ic->ic_bss;
2469
2470 rt2870_rf_set_chan(sc, ni->ni_chan);
2471
2472 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2473 {
2474 rt2870_asic_enable_mrr(sc);
2475 rt2870_asic_set_txpreamble(sc);
2476 rt2870_asic_set_basicrates(sc);
2477 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2478 }
2479
2480 if (ic->ic_opmode == IEEE80211_M_STA)
2481 rt2870_newassoc(ni, 1);
2482
2483 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
2484 ic->ic_opmode == IEEE80211_M_IBSS)
2485 {
2486 error = rt2870_asic_update_beacon(sc);
2487 if (error != 0)
2488 break;
2489 }
2490
2491 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2492 rt2870_asic_enable_tsf_sync(sc);
2493
2494 /* turn link LED on */
2495
2496 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2497 {
2498 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2499 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2500 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2501 }
2502 break;
2503
2504 default:
2505 break;
2506 }
2507 }
2508
2509 /*
2510 * rt2870_scan_start_cb
2511 */
2512 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg)
2513 {
2514 struct ieee80211com *ic;
2515 struct ifnet *ifp;
2516
2517 ic = &sc->ic;
2518 ifp = ic->ic_ifp;
2519
2520 rt2870_asic_disable_tsf_sync(sc);
2521 }
2522
2523 /*
2524 * rt2870_scan_end_cb
2525 */
2526 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg)
2527 {
2528 struct ieee80211com *ic;
2529 struct ieee80211_node *ni;
2530
2531 ic = &sc->ic;
2532 ni = ic->ic_bss;
2533
2534 rt2870_asic_enable_tsf_sync(sc);
2535 }
2536
2537 /*
2538 * rt2870_set_channel_cb
2539 */
2540 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg)
2541 {
2542 struct ieee80211com *ic;
2543
2544 ic = &sc->ic;
2545
2546 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2547 "%s: set channel: channel=%u, HT%s%s\n",
2548 device_get_nameunit(sc->dev),
2549 ieee80211_chan2ieee(ic, ic->ic_curchan),
2550 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2551 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2552 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2553 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2554
2555 rt2870_rf_set_chan(sc, ic->ic_curchan);
2556 }
2557
2558 /*
2559 * rt2870_newassoc_cb
2560 */
2561 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg)
2562 {
2563 struct ieee80211com *ic;
2564 struct ieee80211_node *ni;
2565 struct rt2870_cmd_argv_newassoc *cmd_argv;
2566 uint16_t associd;
2567 int isnew;
2568 uint8_t *macaddr, wcid;
2569
2570 ic = &sc->ic;
2571 ni = ic->ic_bss;
2572 cmd_argv = arg;
2573 associd = cmd_argv->associd;
2574 isnew = cmd_argv->isnew;
2575 macaddr = cmd_argv->macaddr;
2576
2577 wcid = RT2870_AID2WCID(associd);
2578
2579 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2580 "%s: new association: wcid=0x%02x, "
2581 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2582 device_get_nameunit(sc->dev), wcid,
2583 ether_sprintf(macaddr),
2584 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2585 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2586 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2587
2588 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2589 macaddr, IEEE80211_ADDR_LEN);
2590
2591 rt2870_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2592
2593 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2594 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2595 device_get_nameunit(sc->dev),
2596 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2597 ni->ni_associd,
2598 (ni->ni_flags & IEEE80211_NODE_HT) ?
2599 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2600 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2601 (ni->ni_flags & IEEE80211_NODE_HT) ?
2602 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2603 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2604
2605 rt2870_asic_updateprot(sc);
2606 rt2870_asic_updateslot(sc);
2607 rt2870_asic_set_txpreamble(sc);
2608 }
2609
2610 /*
2611 * rt2870_updateslot_cb
2612 */
2613 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2614 {
2615 rt2870_asic_updateslot(sc);
2616 }
2617
2618 /*
2619 * rt2870_wme_update_cb
2620 */
2621 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2622 {
2623 rt2870_asic_wme_update(sc);
2624 }
2625
2626 /*
2627 * rt2870_update_beacon_cb
2628 */
2629 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2630 {
2631 struct rt2870_cmd_argv_updatebeacon *cmd_argv;
2632
2633 cmd_argv = arg;
2634
2635 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2636 "%s: update beacon\n",
2637 device_get_nameunit(sc->dev));
2638
2639 rt2870_asic_update_beacon(sc);
2640 }
2641
2642 /*
2643 * rt2870_key_update_begin_cb
2644 */
2645 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg)
2646 {
2647 struct ifnet *ifp;
2648
2649 ifp = sc->ifp;
2650
2651 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2652 "%s: key update begin\n",
2653 device_get_nameunit(sc->dev));
2654
2655 taskqueue_block(sc->taskqueue);
2656
2657 IF_LOCK(&ifp->if_snd);
2658 }
2659
2660 /*
2661 * rt2870_key_update_end_cb
2662 */
2663 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg)
2664 {
2665 struct ifnet *ifp;
2666
2667 ifp = sc->ifp;
2668
2669 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2670 "%s: key update end\n",
2671 device_get_nameunit(sc->dev));
2672
2673 IF_UNLOCK(&ifp->if_snd);
2674
2675 taskqueue_unblock(sc->taskqueue);
2676 }
2677
2678 /*
2679 * rt2870_key_set_cb
2680 */
2681 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg)
2682 {
2683 struct ieee80211com *ic;
2684 struct ieee80211_key *k;
2685 struct rt2870_cmd_argv_keyset *cmd_argv;
2686 uint16_t associd, key_base, keymode_base;
2687 uint8_t mode, vapid, wcid, iv[8];
2688 uint32_t tmp;
2689
2690 ic = &sc->ic;
2691 cmd_argv = arg;
2692 k = &cmd_argv->key;
2693 associd = cmd_argv->associd;
2694
2695 switch (k->wk_cipher->ic_cipher)
2696 {
2697 case IEEE80211_CIPHER_WEP:
2698 if(k->wk_keylen < 8)
2699 mode = RT2870_REG_CIPHER_MODE_WEP40;
2700 else
2701 mode = RT2870_REG_CIPHER_MODE_WEP104;
2702 break;
2703
2704 case IEEE80211_CIPHER_TKIP:
2705 mode = RT2870_REG_CIPHER_MODE_TKIP;
2706 break;
2707
2708 case IEEE80211_CIPHER_AES_CCM:
2709 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2710 break;
2711
2712 default:
2713 return;
2714 }
2715
2716 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2717 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2718 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2719 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2720
2721 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2722 {
2723 /* install pairwise key */
2724
2725 vapid = 0;
2726 wcid = RT2870_AID2WCID(associd);
2727 key_base = RT2870_REG_PKEY(wcid);
2728
2729 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2730 {
2731 memset(iv, 0, 8);
2732
2733 iv[3] = (k->wk_keyix << 6);
2734 }
2735 else
2736 {
2737 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2738 {
2739 iv[0] = (k->wk_keytsc >> 8);
2740 iv[1] = ((iv[0] | 0x20) & 0x7f);
2741 iv[2] = k->wk_keytsc;
2742 }
2743 else
2744 {
2745 /* AES CCMP */
2746
2747 iv[0] = k->wk_keytsc;
2748 iv[1] = k->wk_keytsc >> 8;
2749 iv[2] = 0;
2750 }
2751
2752 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2753 iv[4] = (k->wk_keytsc >> 16);
2754 iv[5] = (k->wk_keytsc >> 24);
2755 iv[6] = (k->wk_keytsc >> 32);
2756 iv[7] = (k->wk_keytsc >> 40);
2757
2758 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2759 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2760 device_get_nameunit(sc->dev),
2761 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2762 }
2763
2764 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2765
2766 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2767 {
2768 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2769
2770 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2771 {
2772 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2773 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2774 }
2775 else
2776 {
2777 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2778 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2779 }
2780 }
2781 else
2782 {
2783 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2784 }
2785
2786 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2787 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2788
2789 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2790 }
2791
2792 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2793 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2794 {
2795 /* install group key */
2796
2797 vapid = 0;
2798 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2799 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2800
2801 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2802 {
2803 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2804
2805 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2806 {
2807 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2808 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2809 }
2810 else
2811 {
2812 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2813 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2814 }
2815 }
2816 else
2817 {
2818 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2819 }
2820
2821 tmp = rt2870_io_mac_read(sc, keymode_base);
2822
2823 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2824 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2825
2826 rt2870_io_mac_write(sc, keymode_base, tmp);
2827 }
2828 }
2829
2830 /*
2831 * rt2870_key_delete_cb
2832 */
2833 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg)
2834 {
2835 struct ieee80211com *ic;
2836 struct ieee80211_key *k;
2837 struct rt2870_cmd_argv_keydelete *cmd_argv;
2838 uint16_t associd;
2839 uint8_t vapid, wcid;
2840 uint32_t tmp;
2841
2842 ic = &sc->ic;
2843 cmd_argv = arg;
2844 k = &cmd_argv->key;
2845 associd = cmd_argv->associd;
2846
2847 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2848 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2849 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2850 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2851
2852 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2853 {
2854 /* remove pairwise key */
2855
2856 vapid = 0;
2857 wcid = RT2870_AID2WCID(associd);
2858
2859 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2860 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2861
2862 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2863 }
2864 else
2865 {
2866 /* remove group key */
2867
2868 vapid = 0;
2869
2870 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2871
2872 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2873 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2874
2875 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2876 }
2877 }
2878
2879 /*
2880 * rt2870_asic_set_bssid
2881 */
2882 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2883 const uint8_t *bssid)
2884 {
2885 uint32_t tmp;
2886
2887 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2888 "%s: set bssid: bssid=%s\n",
2889 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2890
2891 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2892
2893 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2894
2895 tmp = bssid[4] | (bssid[5] << 8);
2896
2897 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2898 }
2899
2900 /*
2901 * rt2870_asic_set_macaddr
2902 */
2903 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2904 const uint8_t *addr)
2905 {
2906 uint32_t tmp;
2907
2908 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2909
2910 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2911
2912 tmp = addr[4] | (addr[5] << 8);
2913
2914 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2915 }
2916
2917 /*
2918 * rt2870_asic_enable_tsf_sync
2919 */
2920 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2921 {
2922 struct ieee80211com *ic;
2923 uint32_t tmp;
2924
2925 ic = &sc->ic;
2926
2927 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2928 "%s: enabling TSF\n",
2929 device_get_nameunit(sc->dev));
2930
2931 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2932
2933 tmp &= ~0x1fffff;
2934 tmp |= ic->ic_bss->ni_intval * 16;
2935 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2936
2937 if (ic->ic_opmode == IEEE80211_M_STA)
2938 {
2939 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2940 }
2941 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2942 {
2943 tmp |= RT2870_REG_BCN_TX_ENABLE;
2944 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2945 }
2946 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2947 {
2948 tmp |= RT2870_REG_BCN_TX_ENABLE;
2949 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2950 }
2951
2952 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2953 }
2954
2955 /*
2956 * rt2870_asic_disable_tsf_sync
2957 */
2958 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2959 {
2960 uint32_t tmp;
2961
2962 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2963 "%s: disabling TSF\n",
2964 device_get_nameunit(sc->dev));
2965
2966 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2967
2968 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2969 RT2870_REG_TSF_TIMER_ENABLE |
2970 RT2870_REG_TBTT_TIMER_ENABLE);
2971
2972 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2973 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2974
2975 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2976 }
2977
2978 /*
2979 * rt2870_asic_enable_mrr
2980 */
2981 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2982 {
2983 #define CCK(mcs) (mcs)
2984 #define OFDM(mcs) ((1 << 3) | (mcs))
2985 #define HT(mcs) (mcs)
2986
2987 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2988 (OFDM(6) << 28) | /* 54 -> 48 */
2989 (OFDM(5) << 24) | /* 48 -> 36 */
2990 (OFDM(4) << 20) | /* 36 -> 24 */
2991 (OFDM(3) << 16) | /* 24 -> 18 */
2992 (OFDM(2) << 12) | /* 18 -> 12 */
2993 (OFDM(1) << 8) | /* 12 -> 9 */
2994 (OFDM(0) << 4) | /* 9 -> 6 */
2995 OFDM(0)); /* 6 -> 6 */
2996
2997 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2998 (CCK(2) << 12) | /* 11 -> 5.5 */
2999 (CCK(1) << 8) | /* 5.5 -> 2 */
3000 (CCK(0) << 4) | /* 2 -> 1 */
3001 CCK(0)); /* 1 -> 1 */
3002
3003 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3004 (HT(6) << 28) |
3005 (HT(5) << 24) |
3006 (HT(4) << 20) |
3007 (HT(3) << 16) |
3008 (HT(2) << 12) |
3009 (HT(1) << 8) |
3010 (HT(0) << 4) |
3011 HT(0));
3012
3013 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3014 (HT(14) << 28) |
3015 (HT(13) << 24) |
3016 (HT(12) << 20) |
3017 (HT(11) << 16) |
3018 (HT(10) << 12) |
3019 (HT(9) << 8) |
3020 (HT(8) << 4) |
3021 HT(7));
3022
3023 #undef HT
3024 #undef OFDM
3025 #undef CCK
3026 }
3027
3028 /*
3029 * rt2870_asic_set_txpreamble
3030 */
3031 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3032 {
3033 struct ieee80211com *ic;
3034 uint32_t tmp;
3035
3036 ic = &sc->ic;
3037
3038 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3039 "%s: %s short Tx preamble\n",
3040 device_get_nameunit(sc->dev),
3041 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3042
3043 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3044
3045 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3046
3047 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3048 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3049
3050 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3051 }
3052
3053 /*
3054 * rt2870_asic_set_basicrates
3055 */
3056 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3057 {
3058 struct ieee80211com *ic;
3059
3060 ic = &sc->ic;
3061
3062 if (ic->ic_curmode == IEEE80211_MODE_11B)
3063 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3064 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3065 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3066 else
3067 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3068 }
3069
3070 /*
3071 * rt2870_asic_update_rtsthreshold
3072 */
3073 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3074 {
3075 struct ieee80211com *ic;
3076 uint32_t tmp;
3077 uint16_t threshold;
3078
3079 ic = &sc->ic;
3080
3081 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3082 "%s: updating RTS threshold: %d\n",
3083 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
3084
3085 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3086
3087 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3088
3089 if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_TX)
3090 threshold = 0x1000;
3091 else
3092 threshold = ic->ic_rtsthreshold;
3093
3094 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3095 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3096
3097 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3098 }
3099
3100 /*
3101 * rt2870_asic_update_txpower
3102 */
3103 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3104 {
3105 struct ieee80211com *ic;
3106 uint32_t *txpow_rate;
3107 int8_t delta;
3108 uint8_t val;
3109 uint32_t tmp;
3110 int i;
3111
3112 ic = &sc->ic;
3113
3114 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3115 "%s: updating Tx power: %d\n",
3116 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3117
3118 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3119 {
3120 txpow_rate = sc->txpow_rate_20mhz;
3121 }
3122 else
3123 {
3124 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3125 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3126 else
3127 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3128 }
3129
3130 delta = 0;
3131
3132 val = rt2870_io_bbp_read(sc, 1);
3133 val &= 0xfc;
3134
3135 if (ic->ic_txpowlimit > 90)
3136 {
3137 /* do nothing */
3138 }
3139 else if (ic->ic_txpowlimit > 60)
3140 {
3141 delta -= 1;
3142 }
3143 else if (ic->ic_txpowlimit > 30)
3144 {
3145 delta -= 3;
3146 }
3147 else if (ic->ic_txpowlimit > 15)
3148 {
3149 val |= 0x1;
3150 }
3151 else if (ic->ic_txpowlimit > 9)
3152 {
3153 val |= 0x1;
3154 delta -= 3;
3155 }
3156 else
3157 {
3158 val |= 0x2;
3159 }
3160
3161 rt2870_io_bbp_write(sc, 1, val);
3162
3163 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3164 {
3165 if (txpow_rate[i] == 0xffffffff)
3166 continue;
3167
3168 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3169
3170 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3171 }
3172 }
3173
3174 /*
3175 * rt2870_asic_update_promisc
3176 */
3177 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3178 {
3179 struct ifnet *ifp;
3180 uint32_t tmp;
3181
3182 ifp = sc->ic.ic_ifp;
3183
3184 printf("%s: %s promiscuous mode\n",
3185 device_get_nameunit(sc->dev),
3186 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3187
3188 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3189
3190 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3191
3192 if (!(ifp->if_flags & IFF_PROMISC))
3193 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3194
3195 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3196 }
3197
3198 /*
3199 * rt2870_asic_updateprot
3200 */
3201 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3202 {
3203 struct ieee80211com *ic;
3204 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3205 uint8_t htopmode;
3206 enum ieee80211_protmode htprotmode;
3207
3208 ic = &sc->ic;
3209
3210 /* CCK frame protection */
3211
3212 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3213 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3214
3215 /* set up protection frame phy mode and rate (MCS code) */
3216
3217 if (ic->ic_curmode == IEEE80211_MODE_11A)
3218 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3219 (0 << RT2870_REG_PROT_MCS_SHIFT);
3220 else
3221 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3222 (3 << RT2870_REG_PROT_MCS_SHIFT));
3223
3224 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3225
3226 /* OFDM frame protection */
3227
3228 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3229 RT2870_REG_TXOP_ALLOW_ALL;
3230
3231 if (ic->ic_flags & IEEE80211_F_USEPROT)
3232 {
3233 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3234 "%s: updating protection mode: b/g protection mode=%s\n",
3235 device_get_nameunit(sc->dev),
3236 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3237 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3238
3239 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3240 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3241 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3242 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3243 else
3244 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3245 }
3246 else
3247 {
3248 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3249 "%s: updating protection mode: b/g protection mode=%s\n",
3250 device_get_nameunit(sc->dev), "none");
3251
3252 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3253 }
3254
3255 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3256
3257 /* HT frame protection */
3258
3259 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3260 htopmode = ic->ic_bss->ni_htopmode;
3261 else
3262 htopmode = ic->ic_curhtprotmode;
3263
3264 htprotmode = ic->ic_htprotmode;
3265
3266 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3267
3268 if (sc->tx_ampdu_sessions > 0)
3269 {
3270 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3271 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3272 device_get_nameunit(sc->dev));
3273
3274 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3275 htprotmode = IEEE80211_PROT_RTSCTS;
3276 }
3277
3278 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3279 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3280 device_get_nameunit(sc->dev),
3281 htopmode & IEEE80211_HTINFO_OPMODE,
3282 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3283 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3284
3285 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3286 {
3287 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3288 case IEEE80211_HTINFO_OPMODE_HT20PR:
3289 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3290 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3291 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3292 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3293 (4 << RT2870_REG_PROT_MCS_SHIFT);
3294
3295 gf20_prot = mm20_prot;
3296
3297 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3298 RT2870_REG_TXOP_ALLOW_ALL |
3299 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3300 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3301
3302 if (htprotmode == IEEE80211_PROT_RTSCTS)
3303 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3304 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3305 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3306 else
3307 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3308
3309 gf40_prot = mm40_prot;
3310 break;
3311
3312 /* IEEE80211_HTINFO_OPMODE_MIXED */
3313 case IEEE80211_HTINFO_OPMODE_MIXED:
3314 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3315 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3316 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3317
3318 if (ic->ic_flags & IEEE80211_F_USEPROT)
3319 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3320 (3 << RT2870_REG_PROT_MCS_SHIFT);
3321 else
3322 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3323 (4 << RT2870_REG_PROT_MCS_SHIFT);
3324
3325 if (htprotmode == IEEE80211_PROT_RTSCTS)
3326 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3327 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3328 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3329 else
3330 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3331
3332 gf20_prot = mm20_prot;
3333
3334 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3335
3336 if (ic->ic_flags & IEEE80211_F_USEPROT)
3337 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3338 (3 << RT2870_REG_PROT_MCS_SHIFT);
3339 else
3340 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3341 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3342
3343 if (htprotmode == IEEE80211_PROT_RTSCTS)
3344 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3345 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3346 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3347 else
3348 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3349
3350 gf40_prot = mm40_prot;
3351 break;
3352
3353 /*
3354 * IEEE80211_HTINFO_OPMODE_PURE
3355 * IEEE80211_HTINFO_OPMODE_PROTOPT
3356 */
3357 case IEEE80211_HTINFO_OPMODE_PURE:
3358 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3359 default:
3360 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3361 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3362 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3363 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3364 (4 << RT2870_REG_PROT_MCS_SHIFT);
3365
3366 gf20_prot = mm20_prot;
3367
3368 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3369 RT2870_REG_TXOP_ALLOW_ALL |
3370 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3371 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3372
3373 gf40_prot = mm40_prot;
3374 break;
3375 }
3376
3377 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3378 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3379 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3380 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3381 }
3382
3383 /*
3384 * rt2870_asic_updateslot
3385 */
3386 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3387 {
3388 struct ieee80211com *ic;
3389 uint32_t tmp;
3390
3391 ic = &sc->ic;
3392
3393 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3394 "%s: %s short slot time\n",
3395 device_get_nameunit(sc->dev),
3396 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3397
3398 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3399
3400 tmp &= ~0xff;
3401 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3402
3403 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3404 }
3405
3406 /*
3407 * rt2870_asic_wme_update
3408 */
3409 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3410 {
3411 struct ieee80211com *ic;
3412 struct ieee80211_wme_state *wme;
3413 const struct wmeParams *wmep;
3414 int i;
3415
3416 ic = &sc->ic;
3417 wme = &ic->ic_wme;
3418 wmep = wme->wme_chanParams.cap_wmeParams;
3419
3420 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3421 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3422 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3423 device_get_nameunit(sc->dev),
3424 wmep[WME_AC_VO].wmep_aifsn,
3425 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3426 wmep[WME_AC_VO].wmep_txopLimit,
3427 wmep[WME_AC_VI].wmep_aifsn,
3428 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3429 wmep[WME_AC_VI].wmep_txopLimit,
3430 wmep[WME_AC_BK].wmep_aifsn,
3431 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3432 wmep[WME_AC_BK].wmep_txopLimit,
3433 wmep[WME_AC_BE].wmep_aifsn,
3434 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3435 wmep[WME_AC_BE].wmep_txopLimit);
3436
3437 for (i = 0; i < WME_NUM_AC; i++)
3438 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3439 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3440 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3441
3442 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3443 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3444 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3445
3446 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3447 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3448 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3449
3450 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3451 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3452 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3453
3454 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3455 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3456
3457 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3458 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3459 }
3460
3461 /*
3462 * rt2870_asic_update_beacon
3463 */
3464 static int rt2870_asic_update_beacon(struct rt2870_softc *sc)
3465 {
3466 struct ieee80211com *ic;
3467 struct mbuf *m;
3468 struct rt2870_txwi txwi;
3469 uint8_t rate, mcs;
3470 uint32_t tmp;
3471
3472 ic = &sc->ic;
3473
3474 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3475 if (m == NULL)
3476 return ENOMEM;
3477
3478 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3479 mcs = rt2870_rate2mcs(rate);
3480
3481 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3482
3483 txwi.wcid = 0xff;
3484 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3485 RT2870_TXWI_MPDU_LEN_SHIFT);
3486 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3487 txwi.mpdu_density_flags |=
3488 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3489 txwi.bawin_size_xflags |=
3490 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3491
3492 if (rate == 2)
3493 {
3494 txwi.phymode_ifs_stbc_shortgi =
3495 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3496
3497 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3498 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3499 }
3500 else
3501 {
3502 txwi.phymode_ifs_stbc_shortgi =
3503 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3504 }
3505
3506 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3507 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3508
3509 /* disable temporarily TSF sync */
3510
3511 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3512
3513 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3514 RT2870_REG_TSF_TIMER_ENABLE |
3515 RT2870_REG_TBTT_TIMER_ENABLE);
3516
3517 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3518
3519 /* write Tx wireless info and beacon frame to on-chip memory */
3520
3521 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3522 &txwi, sizeof(struct rt2870_txwi));
3523
3524 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3525 mtod(m, uint8_t *), m->m_pkthdr.len);
3526
3527 /* enable again TSF sync */
3528
3529 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3530
3531 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3532 RT2870_REG_TSF_TIMER_ENABLE |
3533 RT2870_REG_TBTT_TIMER_ENABLE);
3534
3535 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3536
3537 m_freem(m);
3538
3539 return 0;
3540 }
3541
3542 /*
3543 * rt2870_asic_clear_keytables
3544 */
3545 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3546 {
3547 int i;
3548
3549 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3550
3551 for (i = 0; i < 256; i++)
3552 {
3553 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3554 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3555 }
3556
3557 /* clear WCID attribute table (entries = 256, entry size = 4) */
3558
3559 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3560
3561 /* clear IV/EIV table (entries = 256, entry size = 8) */
3562
3563 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3564
3565 /* clear pairwise key table (entries = 256, entry size = 32) */
3566
3567 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3568
3569 /* clear shared key table (entries = 32, entry size = 32) */
3570
3571 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3572
3573 /* clear shared key mode (entries = 32, entry size = 2) */
3574
3575 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3576 }
3577
3578 /*
3579 * rt2870_rxrate
3580 */
3581 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3582 {
3583 uint8_t mcs, phymode;
3584 uint8_t rate;
3585
3586 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3587 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3588 RT2870_RXWI_PHYMODE_MASK;
3589
3590 rate = 2;
3591
3592 switch (phymode)
3593 {
3594 case RT2870_RXWI_PHYMODE_CCK:
3595 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3596 {
3597 case 0: rate = 2; break; /* 1 Mbps */
3598 case 1: rate = 4; break; /* 2 MBps */
3599 case 2: rate = 11; break; /* 5.5 Mbps */
3600 case 3: rate = 22; break; /* 11 Mbps */
3601 }
3602 break;
3603
3604 case RT2870_RXWI_PHYMODE_OFDM:
3605 switch (mcs)
3606 {
3607 case 0: rate = 12; break; /* 6 Mbps */
3608 case 1: rate = 18; break; /* 9 Mbps */
3609 case 2: rate = 24; break; /* 12 Mbps */
3610 case 3: rate = 36; break; /* 18 Mbps */
3611 case 4: rate = 48; break; /* 24 Mbps */
3612 case 5: rate = 72; break; /* 36 Mbps */
3613 case 6: rate = 96; break; /* 48 Mbps */
3614 case 7: rate = 108; break; /* 54 Mbps */
3615 }
3616 break;
3617
3618 case RT2870_RXWI_PHYMODE_HT_MIXED:
3619 case RT2870_RXWI_PHYMODE_HT_GF:
3620 break;
3621 }
3622
3623 return rate;
3624 }
3625
3626 /*
3627 * rt2870_maxrssi_rxpath
3628 */
3629 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3630 const struct rt2870_rxwi *rxwi)
3631 {
3632 uint8_t rxpath;
3633
3634 rxpath = 0;
3635
3636 if (sc->nrxpath > 1)
3637 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3638 rxpath = 1;
3639
3640 if (sc->nrxpath > 2)
3641 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3642 rxpath = 2;
3643
3644 return rxpath;
3645 }
3646
3647 /*
3648 * rt2870_rssi2dbm
3649 */
3650 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3651 uint8_t rssi, uint8_t rxpath)
3652 {
3653 struct ieee80211com *ic;
3654 struct ieee80211_channel *c;
3655 int chan;
3656 int8_t rssi_off, lna_gain;
3657
3658 if (rssi == 0)
3659 return -99;
3660
3661 ic = &sc->ic;
3662 c = ic->ic_curchan;
3663 chan = ieee80211_chan2ieee(ic, c);
3664
3665 if (IEEE80211_IS_CHAN_5GHZ(c))
3666 {
3667 rssi_off = sc->rssi_off_5ghz[rxpath];
3668
3669 if (chan <= 64)
3670 lna_gain = sc->lna_gain[1];
3671 else if (chan <= 128)
3672 lna_gain = sc->lna_gain[2];
3673 else
3674 lna_gain = sc->lna_gain[3];
3675 }
3676 else
3677 {
3678 rssi_off = sc->rssi_off_2ghz[rxpath];
3679 lna_gain = sc->lna_gain[0];
3680 }
3681
3682 return (-12 - rssi_off - lna_gain - rssi);
3683 }
3684
3685 /*
3686 * rt2870_rate2mcs
3687 */
3688 static uint8_t rt2870_rate2mcs(uint8_t rate)
3689 {
3690 switch (rate)
3691 {
3692 /* CCK rates */
3693 case 2: return 0;
3694 case 4: return 1;
3695 case 11: return 2;
3696 case 22: return 3;
3697
3698 /* OFDM rates */
3699 case 12: return 0;
3700 case 18: return 1;
3701 case 24: return 2;
3702 case 36: return 3;
3703 case 48: return 4;
3704 case 72: return 5;
3705 case 96: return 6;
3706 case 108: return 7;
3707 }
3708
3709 return 0;
3710 }
3711
3712 /*
3713 * rt2870_ackrate
3714 */
3715 static int rt2870_ackrate(struct ieee80211com *ic, int rate)
3716 {
3717 switch (rate)
3718 {
3719 /* CCK rates */
3720
3721 case 2:
3722 return 2;
3723
3724 case 4:
3725 case 11:
3726 case 22:
3727 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3728
3729 /* OFDM rates */
3730
3731 case 12:
3732 case 18:
3733 return 12;
3734
3735 case 24:
3736 case 36:
3737 return 24;
3738
3739 case 48:
3740 case 72:
3741 case 96:
3742 case 108:
3743 return 48;
3744 }
3745
3746 /* default to 1Mbps */
3747 return 2;
3748 }
3749
3750 /*
3751 * rt2870_txtime
3752 */
3753 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags)
3754 {
3755 uint16_t txtime;
3756
3757 if (RT2870_RATE_IS_OFDM(rate))
3758 {
3759 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3760 txtime = 16 + 4 + 4 * txtime + 6;
3761 }
3762 else
3763 {
3764 txtime = (16 * len + rate - 1) / rate;
3765
3766 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3767 txtime += 72 + 24;
3768 else
3769 txtime += 144 + 48;
3770 }
3771
3772 return txtime;
3773 }
3774
3775 /*
3776 * rt2870_rx_frame
3777 */
3778 static void rt2870_rx_frame(struct rt2870_softc *sc,
3779 uint8_t *buf, uint32_t dmalen)
3780 {
3781 struct ieee80211com *ic;
3782 struct ifnet *ifp;
3783 struct ieee80211_frame *wh;
3784 struct ieee80211_node *ni;
3785 struct rt2870_softc_node *rni;
3786 struct rt2870_softc_rx_radiotap_header *tap;
3787 struct rt2870_rxwi *rxwi;
3788 struct rt2870_rxinfo *rxinfo;
3789 struct mbuf *m;
3790 uint32_t rxinfo_flags;
3791 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3792 int8_t rssi_dbm;
3793 int len, ampdu, amsdu, i;
3794
3795 ic = &sc->ic;
3796 ifp = ic->ic_ifp;
3797
3798 /* get Rx wireless info */
3799
3800 rxwi = (struct rt2870_rxwi *) buf;
3801 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3802 RT2870_RXWI_SIZE_MASK;
3803
3804 if (len > dmalen)
3805 {
3806 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3807 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3808 device_get_nameunit(sc->dev), dmalen, len);
3809 return;
3810 }
3811
3812 /* get Rx info */
3813
3814 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3815 rxinfo_flags = le32toh(rxinfo->flags);
3816
3817 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3818 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3819 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3820
3821 /* check for crc errors */
3822
3823 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3824 {
3825 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3826 "%s: rxinfo: crc error\n",
3827 device_get_nameunit(sc->dev));
3828
3829 ifp->if_ierrors++;
3830
3831 if (!(ifp->if_flags & IFF_PROMISC))
3832 return;
3833 }
3834
3835 wh = (struct ieee80211_frame *) (rxwi + 1);
3836
3837 /* check for L2 padding between IEEE 802.11 frame header and body */
3838
3839 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3840 {
3841 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3842 "%s: L2 padding: DMA len=%d, len=%d\n",
3843 device_get_nameunit(sc->dev), dmalen, len);
3844
3845 len += 2;
3846 }
3847
3848 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3849 if (m == NULL)
3850 {
3851 sc->rx_mbuf_alloc_errors++;
3852 ifp->if_ierrors++;
3853 return;
3854 }
3855
3856 m->m_pkthdr.rcvif = ifp;
3857 m->m_pkthdr.len = m->m_len = len;
3858
3859 m_copyback(m, 0, len, (caddr_t) wh);
3860
3861 wh = mtod(m, struct ieee80211_frame *);
3862
3863 /* check for cipher errors */
3864
3865 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3866 {
3867 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3868 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3869 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3870 {
3871 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3872 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3873
3874 m->m_flags |= M_WEP;
3875 }
3876 else
3877 {
3878 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3879 "%s: rxinfo: cipher error=0x%02x\n",
3880 device_get_nameunit(sc->dev), cipher_err);
3881
3882 ifp->if_ierrors++;
3883
3884 if (!(ifp->if_flags & IFF_PROMISC))
3885 {
3886 m_free(m);
3887 return;
3888 }
3889 }
3890 }
3891 else
3892 {
3893 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3894 {
3895 ifp->if_ierrors++;
3896
3897 if (!(ifp->if_flags & IFF_PROMISC))
3898 {
3899 m_free(m);
3900 return;
3901 }
3902 }
3903 }
3904
3905 /* check for A-MPDU */
3906
3907 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3908 {
3909 m->m_flags |= M_AMPDU;
3910
3911 sc->rx_ampdu++;
3912
3913 ampdu = 1;
3914 }
3915 else
3916 {
3917 ampdu = 0;
3918 }
3919
3920 /* check for A-MSDU */
3921
3922 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3923 {
3924 sc->rx_amsdu++;
3925
3926 amsdu = 1;
3927 }
3928 else
3929 {
3930 amsdu = 0;
3931 }
3932
3933 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3934 rssi = rxwi->rssi[ant];
3935 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3936 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3937 RT2870_RXWI_PHYMODE_MASK);
3938 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3939 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3940 RT2870_RXWI_SHORTGI_MASK);
3941 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3942
3943 if (bpf_peers_present(sc->drvbpf))
3944 {
3945 tap = &sc->rxtap;
3946
3947 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3948 tap->dbm_antsignal = rssi_dbm;
3949 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3950 tap->antenna = ant;
3951 tap->antsignal = rssi;
3952 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3953 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3954 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3955 tap->chan_maxpow = 0;
3956
3957 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3958 tap->rate = rt2870_rxrate(rxwi);
3959 else
3960 tap->rate = mcs | IEEE80211_RATE_MCS;
3961
3962 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3963 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3964
3965 if (shortgi)
3966 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3967
3968 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
3969 }
3970
3971 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3972 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3973 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
3974 device_get_nameunit(sc->dev),
3975 len, phymode, bw, shortgi, mcs,
3976 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3977 rxwi->snr[0], rxwi->snr[1],
3978 rxwi->wcid, ampdu, amsdu);
3979
3980 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3981
3982 if (ni != NULL)
3983 {
3984 rni = (struct rt2870_softc_node *) ni;
3985
3986 for (i = 0; i < RT2870_SOFTC_RSSI_DBM_COUNT; i++)
3987 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
3988 }
3989
3990 ieee80211_input(ic, m, ni, rssi_dbm, RT2870_NOISE_FLOOR, 0);
3991
3992 ieee80211_free_node(ni);
3993 }
3994
3995 /*
3996 * rt2870_tx_frame
3997 */
3998 static int rt2870_tx_frame(struct rt2870_softc *sc,
3999 struct mbuf *m, struct ieee80211_node *ni, int qid)
4000 {
4001 struct ieee80211com *ic;
4002 struct rt2870_softc_tx_ring *ring;
4003 struct rt2870_softc_tx_data *data;
4004 struct rt2870_txinfo *txinfo;
4005 struct rt2870_txwi *txwi;
4006 struct ieee80211_frame *wh;
4007 struct ieee80211_tx_ampdu *tx_ampdu;
4008 struct rt2870_softc_tx_radiotap_header *tap;
4009 u_int hdrsize, hdrspace;
4010 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4011 uint16_t qos, len, dmalen, mpdu_len, dur;
4012 int hasqos, ac, ampdu, ackrate;
4013
4014 ic = &sc->ic;
4015
4016 ring = &sc->tx_ring[qid];
4017 data = STAILQ_FIRST(&ring->inactive);
4018 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4019 txinfo = (struct rt2870_txinfo *) data->buf;
4020 txwi = (struct rt2870_txwi *) (txinfo + 1);
4021
4022 wh = mtod(m, struct ieee80211_frame *);
4023
4024 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4025
4026 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4027 if (hasqos)
4028 {
4029 if (IEEE80211_HAS_ADDR4(wh))
4030 qos = le16toh(*(const uint16_t *)
4031 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4032 else
4033 qos = le16toh(*(const uint16_t *)
4034 (((struct ieee80211_qosframe *) wh)->i_qos));
4035 }
4036 else
4037 {
4038 qos = 0;
4039 }
4040
4041 if (ni->ni_flags & IEEE80211_NODE_HT)
4042 {
4043 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4044 rate = 0;
4045 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4046 rate = ic->ic_fixed_rate;
4047 else
4048 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
4049 }
4050 else
4051 {
4052 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4053 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
4054 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4055 rate = ic->ic_fixed_rate;
4056 else
4057 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
4058 }
4059
4060 rate &= IEEE80211_RATE_VAL;
4061
4062 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4063
4064 /* align end on a 4-bytes boundary */
4065
4066 dmalen = (len + 3) & ~3;
4067
4068 /* fill Tx info */
4069
4070 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4071
4072 txinfo->len = htole16(dmalen);
4073
4074 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4075
4076 /* fill Tx wireless info */
4077
4078 if (ni->ni_flags & IEEE80211_NODE_HT)
4079 mcs = rate;
4080 else
4081 mcs = rt2870_rate2mcs(rate);
4082
4083 pid = mcs;
4084
4085 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4086 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4087
4088 /* calculate MPDU length without padding */
4089
4090 hdrsize = ieee80211_hdrsize(wh);
4091 hdrspace = ieee80211_hdrspace(ic, wh);
4092 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4093
4094 memset(txwi, 0, sizeof(struct rt2870_txwi));
4095
4096 txwi->wcid = wcid;
4097
4098 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4099 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4100 RT2870_TXWI_MPDU_LEN_SHIFT);
4101
4102 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4103
4104 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
4105 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40));
4106
4107 txwi->phymode_ifs_stbc_shortgi |=
4108 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4109 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4110
4111 if (ni->ni_flags & IEEE80211_NODE_HT)
4112 {
4113 txwi->phymode_ifs_stbc_shortgi |=
4114 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4115 }
4116 else
4117 {
4118 if (!RT2870_RATE_IS_OFDM(rate))
4119 {
4120 txwi->phymode_ifs_stbc_shortgi |=
4121 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4122
4123 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4124 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4125 }
4126 else
4127 {
4128 txwi->phymode_ifs_stbc_shortgi |=
4129 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4130 }
4131 }
4132
4133 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4134 bw = RT2870_TXWI_BW_40;
4135 else
4136 bw = RT2870_TXWI_BW_20;
4137
4138 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4139 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4140
4141 if (type != IEEE80211_FC0_TYPE_DATA)
4142 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4143 else
4144 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4145
4146 /* skip ACKs for multicast frames and probe responses */
4147
4148 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4149 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4150 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
4151 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4152 {
4153 txwi->bawin_size_xflags |=
4154 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4155
4156 if (ni->ni_flags & IEEE80211_NODE_HT)
4157 {
4158 /* preamble + plcp + signal extension + SIFS */
4159
4160 dur = 16 + 4 + 6 + 10;
4161 }
4162 else
4163 {
4164 ackrate = rt2870_ackrate(ic, rate);
4165
4166 dur = rt2870_txtime(RT2870_ACK_SIZE, ackrate, ic->ic_flags) +
4167 sc->sifs;
4168 }
4169
4170 *(uint16_t *) wh->i_dur = htole16(dur);
4171 }
4172
4173 /* check fo A-MPDU */
4174
4175 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
4176 {
4177 ac = M_WME_GETAC(m);
4178 tx_ampdu = &ni->ni_tx_ampdu[ac];
4179
4180 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4181 bawin_size = tx_ampdu->txa_wnd;
4182
4183 txwi->mpdu_density_flags |=
4184 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4185 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4186
4187 txwi->bawin_size_xflags |=
4188 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4189
4190 if (IEEE80211_HAS_ADDR4(wh))
4191 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4192 else
4193 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4194
4195 ampdu = 1;
4196 }
4197 else
4198 {
4199 ampdu = 0;
4200 }
4201
4202 /* ask MAC to insert timestamp into probe responses */
4203
4204 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4205 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4206 txwi->mpdu_density_flags |=
4207 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4208
4209 if (bpf_peers_present(sc->drvbpf))
4210 {
4211 tap = &sc->txtap;
4212
4213 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4214 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4215 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4216 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4217 tap->chan_maxpow = 0;
4218
4219 if (ni->ni_flags & IEEE80211_NODE_HT)
4220 tap->rate = mcs | IEEE80211_RATE_MCS;
4221 else
4222 tap->rate = rate;
4223
4224 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4225 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4226
4227 if (shortgi)
4228 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4229
4230 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4231 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4232
4233 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4234 {
4235 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4236
4237 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4238
4239 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4240 }
4241 else
4242 {
4243 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4244 }
4245 }
4246
4247 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4248
4249 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4250 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4251 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d\n",
4252 device_get_nameunit(sc->dev),
4253 qid, hdrsize, hdrspace, m->m_pkthdr.len, bw, stbc, shortgi, mcs, wcid, ampdu, dmalen);
4254
4255 data->m = m;
4256 data->ni = ni;
4257
4258 STAILQ_INSERT_TAIL(&ring->active, data, next);
4259 ring->queued++;
4260
4261 usbd_setup_xfer(data->xfer, ring->usb_pipe, ring, data->buf, len,
4262 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RT2870_USB_XFER_TIMEOUT, rt2870_tx_intr);
4263
4264 usbd_transfer(data->xfer);
4265
4266 return 0;
4267 }
4268
4269 /*
4270 * rt2870_tx_raw
4271 */
4272 static int rt2870_tx_raw(struct rt2870_softc *sc,
4273 struct mbuf *m, struct ieee80211_node *ni,
4274 const struct ieee80211_bpf_params *params)
4275 {
4276 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4277 "%s: Tx raw\n",
4278 device_get_nameunit(sc->dev));
4279
4280 return 0;
4281 }
4282
4283 /*
4284 * rt2870_rx_intr
4285 */
4286 static void rt2870_rx_intr(usbd_xfer_handle xfer,
4287 usbd_private_handle priv, usbd_status status)
4288 {
4289 struct rt2870_softc *sc;
4290 struct ifnet *ifp;
4291 struct rt2870_softc_rx_ring *ring;
4292 struct rt2870_softc_rx_data *data;
4293 int len;
4294
4295 sc = priv;
4296 ifp = sc->ifp;
4297 ring = &sc->rx_ring;
4298
4299 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4300 return;
4301
4302 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4303 "%s: Rx interrupt: %s\n",
4304 device_get_nameunit(sc->dev), usbd_errstr(status));
4305
4306 sc->interrupts++;
4307 sc->rx_interrupts++;
4308
4309 switch (status)
4310 {
4311 case USBD_NORMAL_COMPLETION:
4312 data = STAILQ_FIRST(&ring->active);
4313 if (data == NULL)
4314 break;
4315
4316 STAILQ_REMOVE_HEAD(&ring->active, next);
4317
4318 KASSERT(data->xfer == xfer,
4319 ("%s: Rx interrupt: invalid USB xfer\n",
4320 device_get_nameunit(sc->dev)));
4321
4322 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
4323
4324 data->len = len;
4325
4326 STAILQ_INSERT_TAIL(&ring->done, data, next);
4327
4328 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4329 break;
4330
4331 case USBD_CANCELLED:
4332 case USBD_NOT_STARTED:
4333 break;
4334
4335 default:
4336 if (status == USBD_STALLED)
4337 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4338
4339 data = STAILQ_FIRST(&ring->active);
4340 if (data != NULL)
4341 {
4342 STAILQ_REMOVE_HEAD(&ring->active, next);
4343
4344 STAILQ_INSERT_TAIL(&ring->active, data, next);
4345
4346 usbd_setup_xfer(xfer, ring->usb_pipe, sc, data->buf,
4347 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4348 USBD_NO_TIMEOUT, rt2870_rx_intr);
4349
4350 usbd_transfer(xfer);
4351 }
4352 break;
4353 }
4354 }
4355
4356 /*
4357 * rt2870_tx_intr
4358 */
4359 static void rt2870_tx_intr(usbd_xfer_handle xfer,
4360 usbd_private_handle priv, usbd_status status)
4361 {
4362 struct rt2870_softc *sc;
4363 struct ifnet *ifp;
4364 struct rt2870_softc_tx_ring *ring;
4365 struct rt2870_softc_tx_data *data;
4366
4367 ring = priv;
4368 sc = ring->sc;
4369 ifp = sc->ifp;
4370
4371 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4372 return;
4373
4374 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4375 "%s: Tx interrupt: %s\n",
4376 device_get_nameunit(sc->dev), usbd_errstr(status));
4377
4378 sc->interrupts++;
4379 sc->tx_interrupts[ring->qid]++;
4380
4381 switch (status)
4382 {
4383 case USBD_NORMAL_COMPLETION:
4384 data = STAILQ_FIRST(&ring->active);
4385 if (data == NULL)
4386 break;
4387
4388 STAILQ_REMOVE_HEAD(&ring->active, next);
4389
4390 STAILQ_INSERT_TAIL(&ring->done, data, next);
4391
4392 sc->tx_qid_pending_mask |= (1 << ring->qid);
4393
4394 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4395 break;
4396
4397 case USBD_CANCELLED:
4398 case USBD_NOT_STARTED:
4399 break;
4400
4401 default:
4402 data = STAILQ_FIRST(&ring->active);
4403 if (data != NULL)
4404 {
4405 STAILQ_REMOVE_HEAD(&ring->active, next);
4406
4407 if (data->m != NULL)
4408 {
4409 m_freem(data->m);
4410 data->m = NULL;
4411 }
4412
4413 if (data->ni != NULL)
4414 {
4415 ieee80211_free_node(data->ni);
4416 data->ni = NULL;
4417 }
4418
4419 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4420
4421 ring->queued--;
4422 }
4423
4424 printf("%s: could not transmit buffer: qid=%d, status=%s\n",
4425 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(status));
4426
4427 ifp->if_oerrors++;
4428 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4429
4430 if (status == USBD_STALLED)
4431 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4432 break;
4433 }
4434 }
4435
4436 /*
4437 * rt2870_rx_done_task
4438 */
4439 static void rt2870_rx_done_task(void *context, int pending)
4440 {
4441 struct rt2870_softc *sc;
4442 struct ifnet *ifp;
4443
4444 sc = context;
4445 ifp = sc->ifp;
4446
4447 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4448 "%s: Rx done task\n",
4449 device_get_nameunit(sc->dev));
4450
4451 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4452 return;
4453
4454 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4455 {
4456 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4457 "%s: Rx done task: scheduling again\n",
4458 device_get_nameunit(sc->dev));
4459
4460 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4461 }
4462 }
4463
4464 /*
4465 * rt2870_tx_done_task
4466 */
4467 static void rt2870_tx_done_task(void *context, int pending)
4468 {
4469 struct rt2870_softc *sc;
4470 struct ifnet *ifp;
4471 int i;
4472
4473 sc = context;
4474 ifp = sc->ifp;
4475
4476 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4477 "%s: Tx done task\n",
4478 device_get_nameunit(sc->dev));
4479
4480 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4481 return;
4482
4483 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4484 {
4485 if (sc->tx_qid_pending_mask & (1 << i))
4486 {
4487 sc->tx_qid_pending_mask &= ~(1 << i);
4488
4489 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4490 }
4491 }
4492
4493 if (sc->tx_qid_pending_mask != 0)
4494 {
4495 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4496 "%s: Tx done task: scheduling again\n",
4497 device_get_nameunit(sc->dev));
4498
4499 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4500 }
4501
4502 sc->tx_timer = 0;
4503
4504 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4505 }
4506
4507 /*
4508 * rt2870_periodic_task
4509 */
4510 static void rt2870_periodic_task(void *context, int pending)
4511 {
4512 struct rt2870_softc *sc;
4513 struct ifnet *ifp;
4514 struct ieee80211com *ic;
4515
4516 sc = context;
4517 ifp = sc->ifp;
4518 ic = &sc->ic;
4519
4520 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4521 "%s: periodic task: round=%lu\n",
4522 device_get_nameunit(sc->dev), sc->periodic_round);
4523
4524 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4525 return;
4526
4527 sc->periodic_round++;
4528
4529 rt2870_update_stats(sc);
4530
4531 if ((sc->periodic_round % 10) == 0)
4532 {
4533 rt2870_bbp_tuning(sc);
4534
4535 rt2870_update_raw_counters(sc);
4536
4537 rt2870_watchdog(sc);
4538
4539 if (ic->ic_opmode == IEEE80211_M_STA)
4540 rt2870_amrr_update_iter_func(sc, ic->ic_bss);
4541 else
4542 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, sc);
4543 }
4544
4545 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4546 }
4547
4548 /*
4549 * rt2870_cmd_task
4550 */
4551 static void rt2870_cmd_task(void *context, int pending)
4552 {
4553 struct rt2870_softc *sc;
4554 struct rt2870_softc_cmd_ring *ring;
4555 struct rt2870_softc_cmd *cmd;
4556
4557 sc = context;
4558 ring = &sc->cmd_ring;
4559
4560 while (1)
4561 {
4562 RT2870_SOFTC_LOCK(sc);
4563
4564 cmd = STAILQ_FIRST(&ring->active);
4565 if (cmd == NULL)
4566 {
4567 RT2870_SOFTC_UNLOCK(sc);
4568 break;
4569 }
4570
4571 STAILQ_REMOVE_HEAD(&ring->active, next);
4572
4573 RT2870_SOFTC_UNLOCK(sc);
4574
4575 cmd->cb(sc, cmd->data);
4576
4577 RT2870_SOFTC_LOCK(sc);
4578
4579 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4580 ring->queued--;
4581
4582 RT2870_SOFTC_UNLOCK(sc);
4583 }
4584 }
4585
4586 /*
4587 * rt2870_rx_eof
4588 */
4589 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4590 {
4591 struct ifnet *ifp;
4592 struct rt2870_softc_rx_ring *ring;
4593 struct rt2870_softc_rx_data *data;
4594 uint32_t dmalen;
4595 uint8_t *buf;
4596 int nframes, len;
4597
4598 ifp = sc->ifp;
4599 ring = &sc->rx_ring;
4600
4601 nframes = 0;
4602
4603 while (limit != 0)
4604 {
4605 RT2870_SOFTC_LOCK(sc);
4606
4607 data = STAILQ_FIRST(&ring->done);
4608 if (data == NULL)
4609 {
4610 RT2870_SOFTC_UNLOCK(sc);
4611 break;
4612 }
4613
4614 STAILQ_REMOVE_HEAD(&ring->done, next);
4615
4616 RT2870_SOFTC_UNLOCK(sc);
4617
4618 buf = data->buf;
4619 len = data->len;
4620
4621 if (len < RT2870_RX_DESC_SIZE)
4622 {
4623 ifp->if_ierrors++;
4624 goto skip;
4625 }
4626
4627 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4628 {
4629 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4630
4631 if (dmalen == 0 || (dmalen & 3) != 0)
4632 {
4633 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4634 "%s: bad DMA len=%u\n",
4635 device_get_nameunit(sc->dev), dmalen);
4636 goto skip;
4637 }
4638
4639 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4640 {
4641 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4642 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4643 device_get_nameunit(sc->dev),
4644 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4645 goto skip;
4646 }
4647
4648 nframes++;
4649
4650 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4651
4652 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4653 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4654 }
4655
4656 skip:
4657
4658 RT2870_SOFTC_LOCK(sc);
4659
4660 STAILQ_INSERT_TAIL(&ring->active, data, next);
4661
4662 RT2870_SOFTC_UNLOCK(sc);
4663
4664 usbd_setup_xfer(data->xfer, ring->usb_pipe, sc, data->buf,
4665 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4666 USBD_NO_TIMEOUT, rt2870_rx_intr);
4667
4668 usbd_transfer(data->xfer);
4669
4670 limit--;
4671 }
4672
4673 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4674 "%s: Rx eof: nframes=%d\n",
4675 device_get_nameunit(sc->dev), nframes);
4676
4677 sc->rx_packets += nframes;
4678
4679 return (limit == 0);
4680 }
4681
4682 /*
4683 * rt2870_tx_eof
4684 */
4685 static void rt2870_tx_eof(struct rt2870_softc *sc,
4686 struct rt2870_softc_tx_ring *ring)
4687 {
4688 struct ifnet *ifp;
4689 struct rt2870_softc_tx_data *data;
4690 int nframes;
4691
4692 ifp = sc->ifp;
4693
4694 nframes = 0;
4695
4696 while (1)
4697 {
4698 RT2870_SOFTC_LOCK(sc);
4699
4700 data = STAILQ_FIRST(&ring->done);
4701 if (data == NULL)
4702 {
4703 RT2870_SOFTC_UNLOCK(sc);
4704 break;
4705 }
4706
4707 STAILQ_REMOVE_HEAD(&ring->done, next);
4708
4709 RT2870_SOFTC_UNLOCK(sc);
4710
4711 rt2870_drain_fifo_stats(sc);
4712
4713 nframes++;
4714
4715 if (data->m->m_flags & M_TXCB)
4716 ieee80211_process_callback(data->ni, data->m, 0);
4717
4718 m_freem(data->m);
4719
4720 ieee80211_free_node(data->ni);
4721
4722 data->m = NULL;
4723 data->ni = NULL;
4724
4725 RT2870_SOFTC_LOCK(sc);
4726
4727 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4728
4729 ring->queued--;
4730
4731 RT2870_SOFTC_UNLOCK(sc);
4732
4733 ifp->if_opackets++;
4734 }
4735
4736 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4737 "%s: Tx eof: qid=%d, nframes=%d\n",
4738 device_get_nameunit(sc->dev), ring->qid, nframes);
4739 }
4740
4741 /*
4742 * rt2870_update_stats
4743 */
4744 static void rt2870_update_stats(struct rt2870_softc *sc)
4745 {
4746 struct ifnet *ifp;
4747 struct ieee80211com *ic;
4748 struct ieee80211_node *ni;
4749 uint32_t stacnt[3];
4750 int beacons, noretryok, retryok, failed, underflows, zerolen;
4751 uint16_t associd;
4752 uint8_t wcid;
4753
4754 ifp = sc->ifp;
4755 ic = &sc->ic;
4756
4757 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4758 "%s: update statistic\n",
4759 device_get_nameunit(sc->dev));
4760
4761 rt2870_drain_fifo_stats(sc);
4762
4763 /* read and clear Tx statistic registers */
4764
4765 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4766 stacnt, sizeof(stacnt));
4767
4768 stacnt[0] = le32toh(stacnt[0]);
4769 stacnt[1] = le32toh(stacnt[1]);
4770 stacnt[2] = le32toh(stacnt[2]);
4771
4772 beacons = stacnt[0] >> 16;
4773 noretryok = stacnt[1] & 0xffff;
4774 retryok = stacnt[1] >> 16;
4775 failed = stacnt[0] & 0xffff;
4776 underflows = stacnt[2] >> 16;
4777 zerolen = stacnt[2] & 0xffff;
4778
4779 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4780 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
4781 device_get_nameunit(sc->dev),
4782 beacons, noretryok, retryok, failed, underflows, zerolen);
4783
4784 ifp->if_oerrors += failed;
4785
4786 sc->tx_beacons += beacons;
4787 sc->tx_noretryok += noretryok;
4788 sc->tx_retryok += retryok;
4789 sc->tx_failed += failed;
4790 sc->tx_underflows += underflows;
4791 sc->tx_zerolen += zerolen;
4792
4793 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4794 {
4795 ni = ic->ic_bss;
4796
4797 associd = (ni != NULL) ? ni->ni_associd : 0;
4798 wcid = RT2870_AID2WCID(associd);
4799
4800 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
4801 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4802 }
4803 }
4804
4805 /*
4806 * rt2870_bbp_tuning
4807 */
4808 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
4809 {
4810 struct ieee80211com *ic;
4811 struct ieee80211_node *ni;
4812 int chan, group;
4813 int8_t rssi, old, new;
4814
4815 /* RT2860C does not support BBP tuning */
4816
4817 if (sc->mac_rev == 0x28600100)
4818 return;
4819
4820 ic = &sc->ic;
4821
4822 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
4823 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
4824 return;
4825
4826 ni = ic->ic_bss;
4827
4828 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
4829
4830 if (chan <= 14)
4831 group = 0;
4832 else if (chan <= 64)
4833 group = 1;
4834 else if (chan <= 128)
4835 group = 2;
4836 else
4837 group = 3;
4838
4839 rssi = ieee80211_getrssi(ic);
4840
4841 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
4842 {
4843 new = 0x2e + sc->lna_gain[group];
4844 }
4845 else
4846 {
4847 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
4848 new = 0x32 + sc->lna_gain[group] * 5 / 3;
4849 else
4850 new = 0x3a + sc->lna_gain[group] * 5 / 3;
4851 }
4852
4853 /* Tune if absolute average RSSI is greater than -80 */
4854
4855 if (rssi > -80)
4856 new += 0x10;
4857
4858 old = rt2870_io_bbp_read(sc, 66);
4859
4860 if (old != new)
4861 rt2870_io_bbp_write(sc, 66, new);
4862 }
4863
4864 /*
4865 * rt2870_watchdog
4866 */
4867 static void rt2870_watchdog(struct rt2870_softc *sc)
4868 {
4869 uint32_t tmp;
4870 int ntries;
4871
4872 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4873
4874 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
4875 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4876 device_get_nameunit(sc->dev), tmp);
4877
4878 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
4879 {
4880 sc->tx_queue_not_empty[0]++;
4881
4882 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
4883
4884 for (ntries = 0; ntries < 10; ntries++)
4885 {
4886 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4887 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
4888 break;
4889
4890 DELAY(1);
4891 }
4892
4893 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4894 }
4895
4896 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
4897 {
4898 sc->tx_queue_not_empty[1]++;
4899
4900 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
4901
4902 for (ntries = 0; ntries < 10; ntries++)
4903 {
4904 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4905 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
4906 break;
4907
4908 DELAY(1);
4909 }
4910
4911 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4912 }
4913 }
4914
4915 /*
4916 * rt2870_drain_fifo_stats
4917 */
4918 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
4919 {
4920 struct ifnet *ifp;
4921 uint32_t stats;
4922 uint8_t wcid, mcs, pid;
4923 int ok, agg, retrycnt;
4924
4925 ifp = sc->ic.ic_ifp;
4926
4927 /* drain Tx status FIFO (maxsize = 16) */
4928
4929 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
4930 RT2870_REG_TX_STA_FIFO_VALID)
4931 {
4932 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
4933 RT2870_REG_TX_STA_FIFO_WCID_MASK;
4934
4935 /* if no ACK was requested, no feedback is available */
4936
4937 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4938 continue;
4939
4940 /* update AMRR statistic */
4941
4942 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4943 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
4944 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
4945 RT2870_REG_TX_STA_FIFO_MCS_MASK;
4946 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
4947 RT2870_REG_TX_STA_FIFO_PID_MASK;
4948 retrycnt = pid - mcs;
4949
4950 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4951 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
4952 device_get_nameunit(sc->dev),
4953 wcid, ok, agg, mcs, pid, retrycnt);
4954
4955 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
4956
4957 if (!ok)
4958 ifp->if_oerrors++;
4959 }
4960 }
4961
4962 /*
4963 * rt2870_update_raw_counters
4964 */
4965 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
4966 {
4967 uint32_t tmp;
4968
4969 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
4970
4971 sc->tx_nonagg += tmp & 0xffff;
4972 sc->tx_agg += tmp >> 16;
4973
4974 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
4975
4976 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
4977
4978 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
4979
4980 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
4981
4982 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
4983
4984 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
4985
4986 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
4987
4988 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
4989
4990 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
4991
4992 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
4993
4994 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
4995
4996 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
4997
4998 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
4999
5000 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5001
5002 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5003
5004 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5005
5006 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5007
5008 sc->rx_crc_errors += tmp & 0xffff;
5009 sc->rx_phy_errors += tmp >> 16;
5010
5011 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5012
5013 sc->rx_false_ccas += tmp & 0xffff;
5014 sc->rx_plcp_errors += tmp >> 16;
5015
5016 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5017
5018 sc->rx_dup_packets += tmp & 0xffff;
5019 sc->rx_fifo_overflows += tmp >> 16;
5020
5021 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5022
5023 sc->tx_mpdu_zero_density += tmp & 0xffff;
5024 sc->rx_mpdu_zero_density += tmp >> 16;
5025 }
5026
5027 /*
5028 * rt2870_alloc_rx_ring
5029 */
5030 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5031 struct rt2870_softc_rx_ring *ring)
5032 {
5033 struct rt2870_softc_rx_data *data;
5034 int i, error;
5035
5036 STAILQ_INIT(&ring->active);
5037 STAILQ_INIT(&ring->done);
5038
5039 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5040 {
5041 data = &ring->data[i];
5042
5043 data->xfer = usbd_alloc_xfer(sc->usb_dev);
5044 if (data->xfer == NULL)
5045 {
5046 printf("%s: could not allocate Rx xfer\n",
5047 device_get_nameunit(sc->dev));
5048 error = ENOMEM;
5049 goto fail;
5050 }
5051
5052 data->buf = usbd_alloc_buffer(data->xfer, RT2870_USB_RX_BULK_BUFLEN);
5053 if (data->buf == NULL)
5054 {
5055 printf("%s: could not allocate Rx buffer\n",
5056 device_get_nameunit(sc->dev));
5057 error = ENOMEM;
5058 goto fail;
5059 }
5060 }
5061
5062 return 0;
5063
5064 fail:
5065
5066 rt2870_free_rx_ring(sc, ring);
5067
5068 return error;
5069 }
5070
5071 /*
5072 * rt2870_reset_rx_ring
5073 */
5074 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5075 struct rt2870_softc_rx_ring *ring)
5076 {
5077 STAILQ_INIT(&ring->active);
5078 STAILQ_INIT(&ring->done);
5079 }
5080
5081 /*
5082 * rt2870_free_rx_ring
5083 */
5084 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5085 struct rt2870_softc_rx_ring *ring)
5086 {
5087 struct rt2870_softc_rx_data *data;
5088 int i;
5089
5090 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5091 {
5092 data = &ring->data[i];
5093
5094 if (data->xfer != NULL)
5095 {
5096 usbd_free_xfer(data->xfer);
5097 data->xfer = NULL;
5098 }
5099 }
5100 }
5101
5102 /*
5103 * rt2870_alloc_tx_ring
5104 */
5105 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5106 struct rt2870_softc_tx_ring *ring, int qid)
5107 {
5108 struct rt2870_softc_tx_data *data;
5109 int i, error;
5110
5111 STAILQ_INIT(&ring->inactive);
5112 STAILQ_INIT(&ring->active);
5113 STAILQ_INIT(&ring->done);
5114
5115 ring->sc = sc;
5116 ring->queued = 0;
5117 ring->qid = qid;
5118
5119 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5120 {
5121 data = &ring->data[i];
5122
5123 data->xfer = usbd_alloc_xfer(sc->usb_dev);
5124 if (data->xfer == NULL)
5125 {
5126 printf("%s: could not allocate Tx xfer\n",
5127 device_get_nameunit(sc->dev));
5128 error = ENOMEM;
5129 goto fail;
5130 }
5131
5132 data->buf = usbd_alloc_buffer(data->xfer,
5133 RT2870_TX_DESC_SIZE + MJUMPAGESIZE);
5134 if (data->buf == NULL)
5135 {
5136 printf("%s: could not allocate Tx buffer\n",
5137 device_get_nameunit(sc->dev));
5138 error = ENOMEM;
5139 goto fail;
5140 }
5141
5142 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5143
5144 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5145 }
5146
5147 return 0;
5148
5149 fail:
5150
5151 rt2870_free_tx_ring(sc, ring);
5152
5153 return error;
5154 }
5155
5156 /*
5157 * rt2870_reset_tx_ring
5158 */
5159 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5160 struct rt2870_softc_tx_ring *ring)
5161 {
5162 struct rt2870_softc_tx_data *data;
5163 int i;
5164
5165 STAILQ_INIT(&ring->inactive);
5166 STAILQ_INIT(&ring->active);
5167 STAILQ_INIT(&ring->done);
5168
5169 ring->queued = 0;
5170
5171 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5172 {
5173 data = &ring->data[i];
5174
5175 if (data->m != NULL)
5176 {
5177 m_free(data->m);
5178 data->m = NULL;
5179 }
5180
5181 if (data->ni != NULL)
5182 {
5183 ieee80211_free_node(data->ni);
5184 data->ni = NULL;
5185 }
5186
5187 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5188 }
5189 }
5190
5191 /*
5192 * rt2870_free_tx_ring
5193 */
5194 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5195 struct rt2870_softc_tx_ring *ring)
5196 {
5197 struct rt2870_softc_tx_data *data;
5198 int i;
5199
5200 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5201 {
5202 data = &ring->data[i];
5203
5204 if (data->xfer != NULL)
5205 {
5206 usbd_free_xfer(data->xfer);
5207 data->xfer = NULL;
5208 }
5209
5210 if (data->m != NULL)
5211 {
5212 m_free(data->m);
5213 data->m = NULL;
5214 }
5215
5216 if (data->ni != NULL)
5217 {
5218 ieee80211_free_node(data->ni);
5219 data->ni = NULL;
5220 }
5221 }
5222 }
5223
5224 /*
5225 * rt2870_reset_cmd_ring
5226 */
5227 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5228 struct rt2870_softc_cmd_ring *ring)
5229 {
5230 struct rt2870_softc_cmd *cmd;
5231 int i;
5232
5233 STAILQ_INIT(&ring->inactive);
5234 STAILQ_INIT(&ring->active);
5235
5236 ring->queued = 0;
5237
5238 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5239 {
5240 cmd = &ring->cmd[i];
5241
5242 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5243 }
5244 }
5245
5246 /*
5247 * rt2870_sysctl_attach
5248 */
5249 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5250 {
5251 struct sysctl_ctx_list *ctx;
5252 struct sysctl_oid *tree;
5253 struct sysctl_oid *stats;
5254
5255 ctx = device_get_sysctl_ctx(sc->dev);
5256 tree = device_get_sysctl_tree(sc->dev);
5257
5258 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5259 "stats", CTLFLAG_RD, 0, "statistic");
5260
5261 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5262 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5263 "all interrupts");
5264
5265 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5266 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5267 "Rx interrupts");
5268
5269 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5270 {
5271 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5272 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5273 "Tx MGMT interrupts");
5274
5275 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5276 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5277 "Tx HCCA interrupts");
5278 }
5279
5280 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5281 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5282 "Tx AC3 interrupts");
5283
5284 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5285 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5286 "Tx AC2 interrupts");
5287
5288 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5289 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5290 "Tx AC1 interrupts");
5291
5292 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5293 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5294 "Tx AC0 interrupts");
5295
5296 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5297 {
5298 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5299 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5300 "Tx MGMT data queued");
5301
5302 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5303 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5304 "Tx HCCA data queued");
5305 }
5306
5307 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5308 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5309 "Tx AC3 data queued");
5310
5311 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5312 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5313 "Tx AC2 data queued");
5314
5315 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5316 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5317 "Tx AC1 data queued");
5318
5319 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5320 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5321 "Tx AC0 data queued");
5322
5323 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5324 {
5325 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5326 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5327 "Tx MGMT data queue full");
5328
5329 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5330 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5331 "Tx HCCA data queue full");
5332 }
5333
5334 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5335 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5336 "Tx AC3 data queue full");
5337
5338 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5339 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5340 "Tx AC2 data queue full");
5341
5342 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5343 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5344 "Tx AC1 data queue full");
5345
5346 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5347 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5348 "Tx AC0 data queue full");
5349
5350 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5351 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5352 "Tx watchdog timeouts");
5353
5354 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5355 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5356 "Rx mbuf allocation errors");
5357
5358 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5359 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5360 "Tx queue 0 not empty");
5361
5362 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5363 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5364 "Tx queue 1 not empty");
5365
5366 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5367 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5368 "Tx beacons");
5369
5370 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5371 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5372 "Tx successfull without retries");
5373
5374 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5375 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5376 "Tx successfull with retries");
5377
5378 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5379 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5380 "Tx failed");
5381
5382 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5383 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5384 "Tx underflows");
5385
5386 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5387 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5388 "Tx zero length");
5389
5390 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5391 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5392 "Tx non-aggregated");
5393
5394 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5395 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5396 "Tx aggregated");
5397
5398 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5399 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5400 "Tx A-MPDU");
5401
5402 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5403 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5404 "Tx MPDU with zero density");
5405
5406 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5407 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5408 "Rx packets");
5409
5410 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5411 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5412 "Rx A-MPDU");
5413
5414 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5415 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
5416 "Rx MPDU with zero density");
5417
5418 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5419 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5420 "Rx A-MSDU");
5421
5422 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5423 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5424 "Rx CRC errors");
5425
5426 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5427 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5428 "Rx PHY errors");
5429
5430 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5431 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5432 "Rx false CCAs");
5433
5434 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5435 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5436 "Rx PLCP errors");
5437
5438 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5439 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5440 "Rx duplicate packets");
5441
5442 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5443 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5444 "Rx FIFO overflows");
5445 }
5446
5447 static device_method_t rt2870_dev_methods[] =
5448 {
5449 DEVMETHOD(device_probe, rt2870_probe),
5450 DEVMETHOD(device_attach, rt2870_attach),
5451 DEVMETHOD(device_detach, rt2870_detach),
5452 { 0, 0 }
5453 };
5454
5455 static driver_t rt2870_driver =
5456 {
5457 "rt2870",
5458 rt2870_dev_methods,
5459 sizeof(struct rt2870_softc),
5460 };
5461
5462 static devclass_t rt2870_dev_class;
5463
5464 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5465 usbd_driver_load, 0);
5466
5467 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5468 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2870