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Added new debug flags (RT2860_DEBUG_PROT and RT2860_DEBUG_WME)
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blob6eac9a45cd62ad6cd69ac9c02fa5d2c3fa96661b
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 "rt2860_softc.h"
20 #include "rt2860_reg.h"
21 #include "rt2860_eeprom.h"
22 #include "rt2860_ucode.h"
23 #include "rt2860_txwi.h"
24 #include "rt2860_rxwi.h"
25 #include "rt2860_io.h"
26 #include "rt2860_read_eeprom.h"
27 #include "rt2860_led.h"
28 #include "rt2860_rf.h"
29 #include "rt2860_debug.h"
30
31 /*
32 * Defines and macros
33 */
34
35 #define PCI_VENDOR_RALINK 0x1814
36 #define PCI_PRODUCT_RALINK_RT2860_PCI 0x0601
37 #define PCI_PRODUCT_RALINK_RT2860_PCIe 0x0681
38 #define PCI_PRODUCT_RALINK_RT2760_PCI 0x0701
39 #define PCI_PRODUCT_RALINK_RT2790_PCIe 0x0781
40
41 #define RT2860_MAX_AGG_SIZE 3840
42
43 #define RT2860_TX_DATA_SEG0_SIZE \
44 (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4))
45
46 #define RT2860_NOISE_FLOOR -95
47
48 #define RT2860_AID2WCID(aid) ((aid) & 0xff)
49
50 #define RT2860_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22)
51
52 #define RT2860_ACK_SIZE 14
53
54 #define IEEE80211_HAS_ADDR4(wh) \
55 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
56
57 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
58 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
59
60 #define RT2860_TX_WATCHDOG_TIMEOUT 5
61
62 /*
63 * Data structures and types
64 */
65
66 struct rt2860_pci_ident
67 {
68 uint16_t vendor;
69 uint16_t device;
70 const char *name;
71 };
72
73 /*
74 * Static function prototypes
75 */
76
77 static int rt2860_probe(device_t dev);
78
79 static int rt2860_attach(device_t dev);
80
81 static int rt2860_detach(device_t dev);
82
83 static int rt2860_shutdown(device_t dev);
84
85 static int rt2860_suspend(device_t dev);
86
87 static int rt2860_resume(device_t dev);
88
89 static void rt2860_init_channels(struct rt2860_softc *sc);
90
91 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
92
93 static void rt2860_init_locked(void *priv);
94
95 static void rt2860_init(void *priv);
96
97 static int rt2860_init_bbp(struct rt2860_softc *sc);
98
99 static void rt2860_stop_locked(void *priv);
100
101 static void rt2860_stop(void *priv);
102
103 static void rt2860_start(struct ifnet *ifp);
104
105 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
106
107 static int rt2860_reset(struct ifnet *ifp);
108
109 static int rt2860_newstate(struct ieee80211com *ic,
110 enum ieee80211_state nstate, int arg);
111
112 static void rt2860_scan_start(struct ieee80211com *ic);
113
114 static void rt2860_scan_end(struct ieee80211com *ic);
115
116 static void rt2860_set_channel(struct ieee80211com *ic);
117
118 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
119
120 static void rt2860_updateslot(struct ifnet *ifp);
121
122 static int rt2860_wme_update(struct ieee80211com *ic);
123
124 static void rt2860_update_beacon(struct ieee80211com *ic, int what);
125
126 static void rt2860_key_update_begin(struct ieee80211com *ic);
127
128 static void rt2860_key_update_end(struct ieee80211com *ic);
129
130 static int rt2860_key_set(struct ieee80211com *ic,
131 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
132
133 static int rt2860_key_delete(struct ieee80211com *ic,
134 const struct ieee80211_key *k);
135
136 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
137 const struct ieee80211_bpf_params *params);
138
139 static int rt2860_media_change(struct ifnet *ifp);
140
141 static void rt2860_recv_action(struct ieee80211_node *ni,
142 const uint8_t *frm, const uint8_t *efrm);
143
144 static int rt2860_send_action(struct ieee80211_node *ni,
145 int category, int action, uint16_t args[4]);
146
147 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
148
149 static void rt2860_periodic(void *arg);
150
151 static void rt2860_tx_watchdog(void *arg);
152
153 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
154 const uint8_t *bssid);
155
156 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
157 const uint8_t *addr);
158
159 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
160
161 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
162
163 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
164
165 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
166
167 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
168
169 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
170
171 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
172
173 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
174
175 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
176
177 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
178
179 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
180
181 static int rt2860_asic_update_beacon(struct rt2860_softc *sc);
182
183 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
184
185 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
186
187 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
188 const struct rt2860_rxwi *rxwi);
189
190 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
191 uint8_t rssi, uint8_t rxpath);
192
193 static uint8_t rt2860_rate2mcs(uint8_t rate);
194
195 static int rt2860_ackrate(struct ieee80211com *ic, int rate);
196
197 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags);
198
199 static int rt2860_tx_frame(struct rt2860_softc *sc,
200 struct mbuf *m, struct ieee80211_node *ni, int qid);
201
202 static int rt2860_tx_raw(struct rt2860_softc *sc,
203 struct mbuf *m, struct ieee80211_node *ni,
204 const struct ieee80211_bpf_params *params);
205
206 static void rt2860_intr(void *arg);
207
208 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
209
210 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
211
212 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
213
214 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
215
216 static void rt2860_rx_intr(struct rt2860_softc *sc);
217
218 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
219
220 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
221
222 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
223
224 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
225
226 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
227
228 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
229
230 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
231
232 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
233
234 static void rt2860_rx_done_task(void *context, int pending);
235
236 static void rt2860_tx_done_task(void *context, int pending);
237
238 static void rt2860_fifo_sta_full_task(void *context, int pending);
239
240 static void rt2860_periodic_task(void *context, int pending);
241
242 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
243
244 static void rt2860_tx_eof(struct rt2860_softc *sc,
245 struct rt2860_softc_tx_ring *ring);
246
247 static void rt2860_update_stats(struct rt2860_softc *sc);
248
249 static void rt2860_watchdog(struct rt2860_softc *sc);
250
251 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
252
253 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
254
255 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
256
257 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
258
259 static int rt2860_txrx_enable(struct rt2860_softc *sc);
260
261 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
262 struct rt2860_softc_rx_ring *ring);
263
264 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
265 struct rt2860_softc_rx_ring *ring);
266
267 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
268 struct rt2860_softc_rx_ring *ring);
269
270 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
271 struct rt2860_softc_tx_ring *ring, int qid);
272
273 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
274 struct rt2860_softc_tx_ring *ring);
275
276 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
277 struct rt2860_softc_tx_ring *ring);
278
279 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
280 int nseg, int error);
281
282 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
283
284 /*
285 * Static variables
286 */
287
288 static const struct rt2860_pci_ident rt2860_pci_ids[] =
289 {
290 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
291 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
292 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
293 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
294 { 0, 0, NULL }
295 };
296
297 static const struct
298 {
299 uint32_t reg;
300 uint32_t val;
301 } rt2860_def_mac[] =
302 {
303 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
304 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
305 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
306 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
307 { RT2860_REG_SYS_CTRL, 0x00000000 },
308 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
309 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
310 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
311 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
312 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
313 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
314 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
315 { RT2860_REG_LED_CFG, 0x7f031e46 },
316 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
317 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
318 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
319 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
320 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
321 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
322 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
323 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
324 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
325 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
326 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
327 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
328 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
329 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
330 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
331 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
332 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
333 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
334 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
335 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
336 };
337
338 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
339
340 static const struct
341 {
342 uint8_t reg;
343 uint8_t val;
344 } rt2860_def_bbp[] =
345 {
346 { 65, 0x2c },
347 { 66, 0x38 },
348 { 69, 0x12 },
349 { 70, 0x0a },
350 { 73, 0x10 },
351 { 81, 0x37 },
352 { 82, 0x62 },
353 { 83, 0x6a },
354 { 84, 0x99 },
355 { 86, 0x00 },
356 { 91, 0x04 },
357 { 92, 0x00 },
358 { 103, 0x00 },
359 { 105, 0x05 },
360 { 106, 0x35 },
361 };
362
363 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
364
365 /*
366 * rt2860_probe
367 */
368 static int rt2860_probe(device_t dev)
369 {
370 const struct rt2860_pci_ident *ident;
371
372 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
373 {
374 if (pci_get_vendor(dev) == ident->vendor &&
375 pci_get_device(dev) == ident->device)
376 {
377 device_set_desc(dev, ident->name);
378 return 0;
379 }
380 }
381
382 return ENXIO;
383 }
384
385 /*
386 * rt2860_attach
387 */
388 static int rt2860_attach(device_t dev)
389 {
390 struct rt2860_softc *sc;
391 struct ifnet *ifp;
392 struct ieee80211com *ic;
393 int error, ntries, i;
394
395 sc = device_get_softc(dev);
396
397 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
398 {
399 printf("%s: chip is in D%d power mode, setting to D0\n",
400 device_get_nameunit(dev), pci_get_powerstate(dev));
401 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
402 }
403
404 /* enable bus-mastering */
405
406 pci_enable_busmaster(dev);
407
408 sc->dev = dev;
409
410 mtx_init(&sc->lock, device_get_nameunit(dev),
411 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
412
413 sc->mem_rid = PCIR_BAR(0);
414 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
415 &sc->mem_rid, RF_ACTIVE);
416 if (sc->mem == NULL)
417 {
418 printf("%s: could not allocate memory resource\n",
419 device_get_nameunit(dev));
420 error = ENXIO;
421 goto fail;
422 }
423
424 sc->bst = rman_get_bustag(sc->mem);
425 sc->bsh = rman_get_bushandle(sc->mem);
426
427 sc->irq_rid = 0;
428 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
429 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
430 if (sc->irq == NULL)
431 {
432 printf("%s: could not allocate interrupt resource\n",
433 device_get_nameunit(dev));
434 error = ENXIO;
435 goto fail;
436 }
437
438 #ifdef RT2860_DEBUG
439 sc->debug = 0;
440
441 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
442 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
443 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
444 #endif
445
446 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
447 "%s: attaching\n",
448 device_get_nameunit(sc->dev));
449
450 /* wait for NIC to initialize */
451
452 for (ntries = 0; ntries < 100; ntries++)
453 {
454 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
455 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
456 break;
457
458 DELAY(10);
459 }
460
461 if (ntries == 100)
462 {
463 printf("%s: timeout waiting for NIC to initialize\n",
464 device_get_nameunit(dev));
465 error = EIO;
466 goto fail;
467 }
468
469 rt2860_read_eeprom(sc);
470
471 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
472 device_get_nameunit(sc->dev), sc->mac_rev,
473 rt2860_rf_name(sc->rf_rev));
474
475 /* allocate Tx and Rx rings */
476
477 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
478 {
479 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
480 if (error != 0)
481 {
482 printf("%s: could not allocate Tx ring #%d\n",
483 device_get_nameunit(sc->dev), i);
484 goto fail;
485 }
486 }
487
488 sc->tx_ring_mgtqid = 5;
489
490 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
491 if (error != 0)
492 {
493 printf("%s: could not allocate Rx ring\n",
494 device_get_nameunit(sc->dev));
495 goto fail;
496 }
497
498 callout_init(&sc->periodic_ch, 0);
499 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
500
501 ifp = sc->ifp = if_alloc(IFT_ETHER);
502 if (ifp == NULL)
503 {
504 printf("%s: could not if_alloc()\n",
505 device_get_nameunit(sc->dev));
506 error = ENOMEM;
507 goto fail;
508 }
509
510 ifp->if_softc = sc;
511
512 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
513
514 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
515
516 ifp->if_init = rt2860_init;
517 ifp->if_ioctl = rt2860_ioctl;
518 ifp->if_start = rt2860_start;
519
520 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
521 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
522 IFQ_SET_READY(&ifp->if_snd);
523
524 ic = &sc->ic;
525
526 ic->ic_ifp = ifp;
527
528 ic->ic_phytype = IEEE80211_T_HT;
529 ic->ic_opmode = IEEE80211_M_STA;
530 ic->ic_state = IEEE80211_S_INIT;
531
532 ic->ic_caps = IEEE80211_C_MONITOR |
533 IEEE80211_C_IBSS |
534 IEEE80211_C_AHDEMO |
535 IEEE80211_C_HOSTAP |
536 IEEE80211_C_WDS |
537 /* IEEE80211_C_BGSCAN | */
538 IEEE80211_C_TXPMGT |
539 IEEE80211_C_SHPREAMBLE |
540 IEEE80211_C_SHSLOT |
541 IEEE80211_C_TXFRAG |
542 IEEE80211_C_BURST |
543 IEEE80211_C_WME |
544 IEEE80211_C_WEP |
545 IEEE80211_C_TKIP |
546 IEEE80211_C_AES_CCM |
547 IEEE80211_C_WPA;
548
549 ic->ic_htcaps = IEEE80211_HTC_HT |
550 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
551 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
552 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
553 IEEE80211_HTCAP_GREENFIELD |
554 IEEE80211_HTCAP_SHORTGI20 | /* short GI for HT 20MHz */
555 IEEE80211_HTCAP_SHORTGI40 | /* short GI for HT 40MHz */
556 IEEE80211_HTCAP_RXSTBC_2STREAM;
557
558 /* init channels */
559
560 ic->ic_nchans = 0;
561 ic->ic_regdomain = 0;
562 ic->ic_countrycode = CTRY_DEFAULT;
563 ic->ic_location = 0;
564
565 rt2860_init_channels(sc);
566
567 rt2860_init_channels_ht40(sc);
568
569 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
570
571 ieee80211_ifattach(ic);
572
573 sc->newstate = ic->ic_newstate;
574 ic->ic_newstate = rt2860_newstate;
575
576 ic->ic_reset = rt2860_reset;
577 ic->ic_scan_start = rt2860_scan_start;
578 ic->ic_scan_end = rt2860_scan_end;
579 ic->ic_set_channel = rt2860_set_channel;
580 ic->ic_newassoc = rt2860_newassoc;
581 ic->ic_updateslot = rt2860_updateslot;
582 ic->ic_wme.wme_update = rt2860_wme_update;
583 ic->ic_update_beacon = rt2860_update_beacon;
584 ic->ic_crypto.cs_key_update_begin = rt2860_key_update_begin;
585 ic->ic_crypto.cs_key_update_end = rt2860_key_update_end;
586 ic->ic_crypto.cs_key_set = rt2860_key_set;
587 ic->ic_crypto.cs_key_delete = rt2860_key_delete;
588 ic->ic_raw_xmit = rt2860_raw_xmit;
589
590 sc->recv_action = ic->ic_recv_action;
591 ic->ic_recv_action = rt2860_recv_action;
592
593 sc->send_action = ic->ic_send_action;
594 ic->ic_send_action = rt2860_send_action;
595
596 /* hardware requires padding between 802.11 frame header and body */
597
598 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
599
600 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
601
602 ieee80211_media_init(ic, rt2860_media_change, ieee80211_media_status);
603
604 rt2860_amrr_init(&sc->amrr, ic,
605 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
606 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
607 500);
608
609 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
610 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
611 &sc->drvbpf);
612
613 sc->rxtap_len = sizeof(sc->rxtapu);
614 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
615 sc->rxtap.ihdr.it_present = htole32(RT2860_SOFTC_RX_RADIOTAP_PRESENT);
616
617 sc->txtap_len = sizeof(sc->txtapu);
618 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
619 sc->txtap.ihdr.it_present = htole32(RT2860_SOFTC_TX_RADIOTAP_PRESENT);
620
621 /* init task queue */
622
623 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
624 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
625 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
626 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
627
628 sc->rx_process_limit = 100;
629
630 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
631 taskqueue_thread_enqueue, &sc->taskqueue);
632
633 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
634 device_get_nameunit(sc->dev));
635
636 rt2860_sysctl_attach(sc);
637
638 if (bootverbose)
639 ieee80211_announce(ic);
640
641 /* set up interrupt */
642
643 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
644 NULL, rt2860_intr, sc, &sc->irqh);
645 if (error != 0)
646 {
647 printf("%s: could not set up interrupt\n",
648 device_get_nameunit(dev));
649 goto fail;
650 }
651
652 return 0;
653
654 fail:
655
656 /* free Tx and Rx rings */
657
658 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
659 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
660
661 rt2860_free_rx_ring(sc, &sc->rx_ring);
662
663 mtx_destroy(&sc->lock);
664
665 if (sc->mem != NULL)
666 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
667
668 if (sc->irq != NULL)
669 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
670
671 return error;
672 }
673
674 /*
675 * rt2860_detach
676 */
677 static int rt2860_detach(device_t dev)
678 {
679 struct rt2860_softc *sc;
680 struct ieee80211com *ic;
681 struct ifnet *ifp;
682 int i;
683
684 sc = device_get_softc(dev);
685 ic = &sc->ic;
686 ifp = ic->ic_ifp;
687
688 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
689 "%s: detaching\n",
690 device_get_nameunit(sc->dev));
691
692 RT2860_SOFTC_LOCK(sc);
693
694 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
695
696 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
697
698 callout_stop(&sc->periodic_ch);
699 callout_stop(&sc->tx_watchdog_ch);
700
701 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
702 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
703 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
704 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
705
706 /* free Tx and Rx rings */
707
708 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
709 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
710
711 rt2860_free_rx_ring(sc, &sc->rx_ring);
712
713 RT2860_SOFTC_UNLOCK(sc);
714
715 bpfdetach(ifp);
716
717 ieee80211_ifdetach(ic);
718
719 if_free(ifp);
720
721 taskqueue_free(sc->taskqueue);
722
723 mtx_destroy(&sc->lock);
724
725 bus_generic_detach(dev);
726
727 bus_teardown_intr(dev, sc->irq, sc->irqh);
728
729 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
730
731 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
732
733 return 0;
734 }
735
736 /*
737 * rt2860_shutdown
738 */
739 static int rt2860_shutdown(device_t dev)
740 {
741 struct rt2860_softc *sc;
742
743 sc = device_get_softc(dev);
744
745 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
746 "%s: shutting down\n",
747 device_get_nameunit(sc->dev));
748
749 rt2860_stop(sc);
750
751 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
752
753 return 0;
754 }
755
756 /*
757 * rt2860_suspend
758 */
759 static int rt2860_suspend(device_t dev)
760 {
761 struct rt2860_softc *sc;
762
763 sc = device_get_softc(dev);
764
765 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
766 "%s: suspending\n",
767 device_get_nameunit(sc->dev));
768
769 rt2860_stop(sc);
770
771 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
772
773 return 0;
774 }
775
776 /*
777 * rt2860_resume
778 */
779 static int rt2860_resume(device_t dev)
780 {
781 struct rt2860_softc *sc;
782 struct ifnet *ifp;
783
784 sc = device_get_softc(dev);
785 ifp = sc->ifp;
786
787 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
788 "%s: resuming\n",
789 device_get_nameunit(sc->dev));
790
791 if (ifp->if_flags & IFF_UP)
792 rt2860_init(sc);
793
794 return 0;
795 }
796
797 /*
798 * rt2860_init_channels
799 */
800 static void rt2860_init_channels(struct rt2860_softc *sc)
801 {
802 struct ieee80211com *ic;
803 struct ieee80211_channel *c;
804 int i, flags;
805
806 ic = &sc->ic;
807
808 /* set supported channels for 2GHz band */
809
810 for (i = 1; i <= 14; i++)
811 {
812 c = &ic->ic_channels[ic->ic_nchans++];
813 flags = IEEE80211_CHAN_B;
814
815 c->ic_freq = ieee80211_ieee2mhz(i, flags);
816 c->ic_ieee = i;
817 c->ic_flags = flags;
818
819 c = &ic->ic_channels[ic->ic_nchans++];
820 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
821
822 c->ic_freq = ieee80211_ieee2mhz(i, flags);
823 c->ic_ieee = i;
824 c->ic_flags = flags;
825
826 c = &ic->ic_channels[ic->ic_nchans++];
827 flags = IEEE80211_CHAN_G;
828
829 c->ic_freq = ieee80211_ieee2mhz(i, flags);
830 c->ic_ieee = i;
831 c->ic_flags = flags;
832
833 c = &ic->ic_channels[ic->ic_nchans++];
834 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
835
836 c->ic_freq = ieee80211_ieee2mhz(i, flags);
837 c->ic_ieee = i;
838 c->ic_flags = flags;
839 }
840
841 /* set supported channels for 5GHz band */
842
843 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
844 sc->rf_rev == RT2860_EEPROM_RF_2750)
845 {
846 for (i = 36; i <= 64; i += 4)
847 {
848 c = &ic->ic_channels[ic->ic_nchans++];
849 flags = IEEE80211_CHAN_A;
850
851 c->ic_freq = ieee80211_ieee2mhz(i, flags);
852 c->ic_ieee = i;
853 c->ic_flags = flags;
854
855 c = &ic->ic_channels[ic->ic_nchans++];
856 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
857
858 c->ic_freq = ieee80211_ieee2mhz(i, flags);
859 c->ic_ieee = i;
860 c->ic_flags = flags;
861 }
862
863 for (i = 100; i <= 140; i += 4)
864 {
865 c = &ic->ic_channels[ic->ic_nchans++];
866 flags = IEEE80211_CHAN_A;
867
868 c->ic_freq = ieee80211_ieee2mhz(i, flags);
869 c->ic_ieee = i;
870 c->ic_flags = flags;
871
872 c = &ic->ic_channels[ic->ic_nchans++];
873 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
874
875 c->ic_freq = ieee80211_ieee2mhz(i, flags);
876 c->ic_ieee = i;
877 c->ic_flags = flags;
878 }
879
880 for (i = 149; i <= 165; i += 4)
881 {
882 c = &ic->ic_channels[ic->ic_nchans++];
883 flags = IEEE80211_CHAN_A;
884
885 c->ic_freq = ieee80211_ieee2mhz(i, flags);
886 c->ic_ieee = i;
887 c->ic_flags = flags;
888
889 c = &ic->ic_channels[ic->ic_nchans++];
890 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
891
892 c->ic_freq = ieee80211_ieee2mhz(i, flags);
893 c->ic_ieee = i;
894 c->ic_flags = flags;
895 }
896 }
897 }
898
899 /*
900 * rt2860_init_channels_ht40
901 */
902 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
903 {
904 struct ieee80211com *ic;
905 struct ieee80211_channel *c, *cent, *ext;
906 int i, flags;
907
908 ic = &sc->ic;
909
910 /* set supported channels for 2GHz band */
911
912 for (i = 1; i <= 14; i++)
913 {
914 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
915
916 /* find the center channel */
917
918 cent = ieee80211_find_channel_byieee(ic, i,
919 flags & ~IEEE80211_CHAN_HT);
920 if (cent == NULL)
921 {
922 printf("%s: skip channel %d, could not find center channel\n",
923 device_get_nameunit(sc->dev), i);
924 continue;
925 }
926
927 /* find the extension channel */
928
929 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
930 flags & ~IEEE80211_CHAN_HT);
931 if (ext == NULL)
932 {
933 printf("%s: skip channel %d, could not find extension channel\n",
934 device_get_nameunit(sc->dev), i);
935 continue;
936 }
937
938 c = &ic->ic_channels[ic->ic_nchans++];
939
940 *c = *cent;
941 c->ic_extieee = ext->ic_ieee;
942 c->ic_flags &= ~IEEE80211_CHAN_HT;
943 c->ic_flags |= IEEE80211_CHAN_HT40U;
944
945 c = &ic->ic_channels[ic->ic_nchans++];
946
947 *c = *ext;
948 c->ic_extieee = cent->ic_ieee;
949 c->ic_flags &= ~IEEE80211_CHAN_HT;
950 c->ic_flags |= IEEE80211_CHAN_HT40D;
951 }
952
953 /* set supported channels for 5GHz band */
954
955 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
956 sc->rf_rev == RT2860_EEPROM_RF_2750)
957 {
958 for (i = 36; i <= 64; i += 4)
959 {
960 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
961
962 /* find the center channel */
963
964 cent = ieee80211_find_channel_byieee(ic, i,
965 flags & ~IEEE80211_CHAN_HT);
966 if (cent == NULL)
967 {
968 printf("%s: skip channel %d, could not find center channel\n",
969 device_get_nameunit(sc->dev), i);
970 continue;
971 }
972
973 /* find the extension channel */
974
975 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
976 flags & ~IEEE80211_CHAN_HT);
977 if (ext == NULL)
978 {
979 printf("%s: skip channel %d, could not find extension channel\n",
980 device_get_nameunit(sc->dev), i);
981 continue;
982 }
983
984 c = &ic->ic_channels[ic->ic_nchans++];
985
986 *c = *cent;
987 c->ic_extieee = ext->ic_ieee;
988 c->ic_flags &= ~IEEE80211_CHAN_HT;
989 c->ic_flags |= IEEE80211_CHAN_HT40U;
990
991 c = &ic->ic_channels[ic->ic_nchans++];
992
993 *c = *ext;
994 c->ic_extieee = cent->ic_ieee;
995 c->ic_flags &= ~IEEE80211_CHAN_HT;
996 c->ic_flags |= IEEE80211_CHAN_HT40D;
997 }
998
999 for (i = 100; i <= 140; i += 4)
1000 {
1001 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1002
1003 /* find the center channel */
1004
1005 cent = ieee80211_find_channel_byieee(ic, i,
1006 flags & ~IEEE80211_CHAN_HT);
1007 if (cent == NULL)
1008 {
1009 printf("%s: skip channel %d, could not find center channel\n",
1010 device_get_nameunit(sc->dev), i);
1011 continue;
1012 }
1013
1014 /* find the extension channel */
1015
1016 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1017 flags & ~IEEE80211_CHAN_HT);
1018 if (ext == NULL)
1019 {
1020 printf("%s: skip channel %d, could not find extension channel\n",
1021 device_get_nameunit(sc->dev), i);
1022 continue;
1023 }
1024
1025 c = &ic->ic_channels[ic->ic_nchans++];
1026
1027 *c = *cent;
1028 c->ic_extieee = ext->ic_ieee;
1029 c->ic_flags &= ~IEEE80211_CHAN_HT;
1030 c->ic_flags |= IEEE80211_CHAN_HT40U;
1031
1032 c = &ic->ic_channels[ic->ic_nchans++];
1033
1034 *c = *ext;
1035 c->ic_extieee = cent->ic_ieee;
1036 c->ic_flags &= ~IEEE80211_CHAN_HT;
1037 c->ic_flags |= IEEE80211_CHAN_HT40D;
1038 }
1039
1040 for (i = 149; i <= 165; i += 4)
1041 {
1042 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1043
1044 /* find the center channel */
1045
1046 cent = ieee80211_find_channel_byieee(ic, i,
1047 flags & ~IEEE80211_CHAN_HT);
1048 if (cent == NULL)
1049 {
1050 printf("%s: skip channel %d, could not find center channel\n",
1051 device_get_nameunit(sc->dev), i);
1052 continue;
1053 }
1054
1055 /* find the extension channel */
1056
1057 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1058 flags & ~IEEE80211_CHAN_HT);
1059 if (ext == NULL)
1060 {
1061 printf("%s: skip channel %d, could not find extension channel\n",
1062 device_get_nameunit(sc->dev), i);
1063 continue;
1064 }
1065
1066 c = &ic->ic_channels[ic->ic_nchans++];
1067
1068 *c = *cent;
1069 c->ic_extieee = ext->ic_ieee;
1070 c->ic_flags &= ~IEEE80211_CHAN_HT;
1071 c->ic_flags |= IEEE80211_CHAN_HT40U;
1072
1073 c = &ic->ic_channels[ic->ic_nchans++];
1074
1075 *c = *ext;
1076 c->ic_extieee = cent->ic_ieee;
1077 c->ic_flags &= ~IEEE80211_CHAN_HT;
1078 c->ic_flags |= IEEE80211_CHAN_HT40D;
1079 }
1080 }
1081 }
1082
1083 /*
1084 * rt2860_init_locked
1085 */
1086 static void rt2860_init_locked(void *priv)
1087 {
1088 struct rt2860_softc *sc;
1089 struct ieee80211com *ic;
1090 struct ifnet *ifp;
1091 int error, i, ntries;
1092 uint32_t tmp, stacnt[6];
1093
1094 sc = priv;
1095 ic = &sc->ic;
1096 ifp = ic->ic_ifp;
1097
1098 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1099 "%s: initializing\n",
1100 device_get_nameunit(sc->dev));
1101
1102 RT2860_SOFTC_ASSERT_LOCKED(sc);
1103
1104 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1105 {
1106 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1107 "%s: loading 8051 microcode\n",
1108 device_get_nameunit(sc->dev));
1109
1110 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1111 if (error != 0)
1112 {
1113 printf("%s: could not load 8051 microcode\n",
1114 device_get_nameunit(sc->dev));
1115 goto fail;
1116 }
1117
1118 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1119 "%s: 8051 microcode was successfully loaded\n",
1120 device_get_nameunit(sc->dev));
1121
1122 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1123 }
1124
1125 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1126
1127 /* disable DMA engine */
1128
1129 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1130
1131 tmp &= 0xff0;
1132 tmp |= RT2860_REG_TX_WB_DDONE;
1133
1134 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1135
1136 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1137
1138 /* PBF hardware reset */
1139
1140 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1141 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1142
1143 /* wait while DMA engine is busy */
1144
1145 for (ntries = 0; ntries < 100; ntries++)
1146 {
1147 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1148 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1149 break;
1150
1151 DELAY(1000);
1152 }
1153
1154 if (ntries == 100)
1155 {
1156 printf("%s: timeout waiting for DMA engine\n",
1157 device_get_nameunit(sc->dev));
1158 goto fail;
1159 }
1160
1161 tmp &= 0xff0;
1162 tmp |= RT2860_REG_TX_WB_DDONE;
1163
1164 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1165
1166 /* reset Rx and Tx rings */
1167
1168 tmp = RT2860_REG_RST_IDX_RX |
1169 RT2860_REG_RST_IDX_TX_MGMT |
1170 RT2860_REG_RST_IDX_TX_HCCA |
1171 RT2860_REG_RST_IDX_TX_AC3 |
1172 RT2860_REG_RST_IDX_TX_AC2 |
1173 RT2860_REG_RST_IDX_TX_AC1 |
1174 RT2860_REG_RST_IDX_TX_AC0;
1175
1176 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1177
1178 /* PBF hardware reset */
1179
1180 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1181 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1182
1183 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1184
1185 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1186 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1187 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1188
1189 /* init Tx power per rate */
1190
1191 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1192 {
1193 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1194 continue;
1195
1196 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1197 sc->txpow_rate_20mhz[i]);
1198 }
1199
1200 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1201 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1202 rt2860_def_mac[i].val);
1203
1204 /* wait while MAC is busy */
1205
1206 for (ntries = 0; ntries < 100; ntries++)
1207 {
1208 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1209 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1210 break;
1211
1212 DELAY(1000);
1213 }
1214
1215 if (ntries == 100)
1216 {
1217 printf("%s: timeout waiting for MAC\n",
1218 device_get_nameunit(sc->dev));
1219 goto fail;
1220 }
1221
1222 /* clear Host to MCU mailbox */
1223
1224 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1225 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1226
1227 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1228 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1229
1230 DELAY(1000);
1231
1232 error = rt2860_init_bbp(sc);
1233 if (error != 0)
1234 goto fail;
1235
1236 /* set up maximum buffer sizes */
1237
1238 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1239
1240 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1241
1242 /* set mac address */
1243
1244 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1245
1246 rt2860_asic_set_macaddr(sc, ic->ic_myaddr);
1247
1248 /* clear statistic registers */
1249
1250 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1251 stacnt, sizeof(stacnt));
1252
1253 /* set RTS threshold */
1254
1255 rt2860_asic_update_rtsthreshold(sc);
1256
1257 /* set Tx power */
1258
1259 rt2860_asic_update_txpower(sc);
1260
1261 /* set up protection mode */
1262
1263 rt2860_asic_updateprot(sc);
1264
1265 /* clear key tables */
1266
1267 rt2860_asic_clear_keytables(sc);
1268
1269 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1270
1271 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1272 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1273
1274 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1275 {
1276 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1277 sc->tx_ring[i].desc_phys_addr);
1278 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1279 RT2860_SOFTC_TX_RING_DESC_COUNT);
1280 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1281 }
1282
1283 /* init Rx ring */
1284
1285 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1286
1287 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1288 sc->rx_ring.desc_phys_addr);
1289 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1290 RT2860_SOFTC_RX_RING_DATA_COUNT);
1291 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1292 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1293
1294 /* wait while DMA engine is busy */
1295
1296 for (ntries = 0; ntries < 100; ntries++)
1297 {
1298 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1299 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1300 break;
1301
1302 DELAY(1000);
1303 }
1304
1305 if (ntries == 100)
1306 {
1307 printf("%s: timeout waiting for DMA engine\n",
1308 device_get_nameunit(sc->dev));
1309 goto fail;
1310 }
1311
1312 tmp &= 0xff0;
1313 tmp |= RT2860_REG_TX_WB_DDONE;
1314
1315 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1316
1317 /* disable interrupts mitigation */
1318
1319 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1320
1321 /* send LEDs operating mode to microcontroller */
1322
1323 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1324 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1325 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1326 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1327 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1328 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1329
1330 /* turn radio LED on */
1331
1332 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1333
1334 /* write vendor-specific BBP values (from EEPROM) */
1335
1336 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1337 {
1338 if (sc->bbp_eeprom[i].reg == 0x00 ||
1339 sc->bbp_eeprom[i].reg == 0xff)
1340 continue;
1341
1342 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1343 sc->bbp_eeprom[i].val);
1344 }
1345
1346 /*
1347 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1348 if (tmp & (1 << 2))
1349 {
1350 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1351 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1352 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1353
1354 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1355 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1356 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1357 }
1358 */
1359
1360 /* disable non-existing Rx chains */
1361
1362 tmp = rt2860_io_bbp_read(sc, 3);
1363
1364 tmp &= ~((1 << 4) | (1 << 3));
1365
1366 if (sc->nrxpath == 3)
1367 tmp |= (1 << 4);
1368 else if (sc->nrxpath == 2)
1369 tmp |= (1 << 3);
1370
1371 rt2860_io_bbp_write(sc, 3, tmp);
1372
1373 /* disable non-existing Tx chains */
1374
1375 tmp = rt2860_io_bbp_read(sc, 1);
1376
1377 if (sc->ntxpath == 1)
1378 tmp &= ~((1 << 4) | (1 << 3));
1379
1380 rt2860_io_bbp_write(sc, 1, tmp);
1381
1382 tmp = rt2860_io_bbp_read(sc, 4);
1383
1384 tmp &= ~0x18;
1385
1386 rt2860_io_bbp_write(sc, 4, tmp);
1387
1388 /* set current channel */
1389
1390 rt2860_rf_set_chan(sc, ic->ic_curchan);
1391
1392 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1393 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1394 (48 << 16) | 96);
1395
1396 if ((sc->mac_rev & 0xffff) != 0x0101)
1397 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1398
1399 /* clear pending interrupts */
1400
1401 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1402
1403 /* enable interrupts */
1404
1405 tmp = RT2860_REG_INT_TX_COHERENT |
1406 RT2860_REG_INT_RX_COHERENT |
1407 RT2860_REG_INT_GP_TIMER |
1408 RT2860_REG_INT_AUTO_WAKEUP |
1409 RT2860_REG_INT_FIFO_STA_FULL |
1410 /*
1411 RT2860_REG_INT_PRE_TBTT |
1412 RT2860_REG_INT_TBTT |
1413 */
1414 RT2860_REG_INT_TXRX_COHERENT |
1415 RT2860_REG_INT_MCU_CMD |
1416 RT2860_REG_INT_TX_MGMT_DONE |
1417 RT2860_REG_INT_TX_HCCA_DONE |
1418 RT2860_REG_INT_TX_AC3_DONE |
1419 RT2860_REG_INT_TX_AC2_DONE |
1420 RT2860_REG_INT_TX_AC1_DONE |
1421 RT2860_REG_INT_TX_AC0_DONE |
1422 RT2860_REG_INT_RX_DONE;
1423
1424 sc->intr_enable_mask = tmp;
1425
1426 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1427
1428 if (rt2860_txrx_enable(sc) != 0)
1429 goto fail;
1430
1431 /* clear garbage interrupts */
1432
1433 tmp = rt2860_io_mac_read(sc, 0x1300);
1434
1435 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1436 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1437
1438 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1439 {
1440 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1441 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1442 }
1443 else
1444 {
1445 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1446 }
1447
1448 sc->periodic_round = 0;
1449
1450 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1451
1452 return;
1453
1454 fail:
1455
1456 rt2860_stop_locked(sc);
1457 }
1458
1459 /*
1460 * rt2860_init
1461 */
1462 static void rt2860_init(void *priv)
1463 {
1464 struct rt2860_softc *sc;
1465
1466 sc = priv;
1467
1468 RT2860_SOFTC_LOCK(sc);
1469
1470 rt2860_init_locked(sc);
1471
1472 RT2860_SOFTC_UNLOCK(sc);
1473 }
1474
1475 /*
1476 * rt2860_init_bbp
1477 */
1478 static int rt2860_init_bbp(struct rt2860_softc *sc)
1479 {
1480 int ntries, i;
1481 uint8_t tmp;
1482
1483 for (ntries = 0; ntries < 20; ntries++)
1484 {
1485 tmp = rt2860_io_bbp_read(sc, 0);
1486 if (tmp != 0x00 && tmp != 0xff)
1487 break;
1488 }
1489
1490 if (tmp == 0x00 || tmp == 0xff)
1491 {
1492 printf("%s: timeout waiting for BBP to wakeup\n",
1493 device_get_nameunit(sc->dev));
1494 return ETIMEDOUT;
1495 }
1496
1497 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1498 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1499 rt2860_def_bbp[i].val);
1500
1501 if ((sc->mac_rev & 0xffff) != 0x0101)
1502 rt2860_io_bbp_write(sc, 84, 0x19);
1503
1504 return 0;
1505 }
1506
1507 /*
1508 * rt2860_stop_locked
1509 */
1510 static void rt2860_stop_locked(void *priv)
1511 {
1512 struct rt2860_softc *sc;
1513 struct ieee80211com *ic;
1514 struct ifnet *ifp;
1515 uint32_t tmp;
1516
1517 sc = priv;
1518 ic = &sc->ic;
1519 ifp = ic->ic_ifp;
1520
1521 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1522 "%s: stopping\n",
1523 device_get_nameunit(sc->dev));
1524
1525 RT2860_SOFTC_ASSERT_LOCKED(sc);
1526
1527 sc->tx_timer = 0;
1528
1529 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1530 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1531
1532 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1533
1534 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1535
1536 callout_stop(&sc->periodic_ch);
1537 callout_stop(&sc->tx_watchdog_ch);
1538
1539 RT2860_SOFTC_UNLOCK(sc);
1540
1541 taskqueue_block(sc->taskqueue);
1542
1543 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1544 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1545 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1546 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1547
1548 RT2860_SOFTC_LOCK(sc);
1549
1550 /* clear key tables */
1551
1552 rt2860_asic_clear_keytables(sc);
1553
1554 /* disable interrupts */
1555
1556 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1557
1558 /* disable Tx/Rx */
1559
1560 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1561
1562 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1563
1564 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1565
1566 /* reset adapter */
1567
1568 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1569 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1570 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1571 }
1572
1573 /*
1574 * rt2860_stop
1575 */
1576 static void rt2860_stop(void *priv)
1577 {
1578 struct rt2860_softc *sc;
1579
1580 sc = priv;
1581
1582 RT2860_SOFTC_LOCK(sc);
1583
1584 rt2860_stop_locked(sc);
1585
1586 RT2860_SOFTC_UNLOCK(sc);
1587 }
1588
1589 /*
1590 * rt2860_start
1591 */
1592 static void rt2860_start(struct ifnet *ifp)
1593 {
1594 struct rt2860_softc *sc;
1595 struct ieee80211com *ic;
1596 struct ieee80211_node *ni;
1597 struct ether_header *eh;
1598 struct mbuf *m;
1599 int qid;
1600
1601 sc = ifp->if_softc;
1602 ic = &sc->ic;
1603
1604 RT2860_SOFTC_LOCK(sc);
1605
1606 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1607 {
1608 RT2860_SOFTC_UNLOCK(sc);
1609 return;
1610 }
1611
1612 for (;;)
1613 {
1614 IF_POLL(&ic->ic_mgtq, m);
1615 if (m != NULL)
1616 {
1617 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1618 {
1619 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1620 "%s: if_start: Tx ring with qid=%d is full\n",
1621 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1622
1623 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1624 break;
1625 }
1626
1627 IF_DEQUEUE(&ic->ic_mgtq, m);
1628
1629 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1630 m->m_pkthdr.rcvif = NULL;
1631
1632 if (bpf_peers_present(ic->ic_rawbpf))
1633 bpf_mtap(ic->ic_rawbpf, m);
1634
1635 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1636 break;
1637
1638 rt2860_drain_fifo_stats(sc);
1639 }
1640 else
1641 {
1642 if (ic->ic_state != IEEE80211_S_RUN)
1643 break;
1644
1645 IF_POLL(&ifp->if_snd, m);
1646 if (m == NULL)
1647 break;
1648
1649 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1650
1651 if (ic->ic_flags & IEEE80211_F_SCAN)
1652 ieee80211_cancel_scan(ic);
1653
1654 if (m->m_len < sizeof(struct ether_header) &&
1655 !(m = m_pullup(m, sizeof (struct ether_header))))
1656 continue;
1657
1658 eh = mtod(m, struct ether_header *);
1659
1660 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1661 if (ni == NULL)
1662 {
1663 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1664 "%s: if_start: could not find Tx node\n",
1665 device_get_nameunit(sc->dev));
1666
1667 m_freem(m);
1668 continue;
1669 }
1670
1671 ieee80211_classify(ic, m, ni);
1672
1673 qid = M_WME_GETAC(m);
1674
1675 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1676 {
1677 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1678 "%s: if_start: Tx ring with qid=%d is full\n",
1679 device_get_nameunit(sc->dev), qid);
1680
1681 m_freem(m);
1682 ieee80211_free_node(ni);
1683 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1684 ifp->if_oerrors++;
1685 break;
1686 }
1687
1688 BPF_MTAP(ifp, m);
1689
1690 m = ieee80211_encap(ic, m, ni);
1691 if (m == NULL)
1692 {
1693 ieee80211_free_node(ni);
1694 ifp->if_oerrors++;
1695 continue;
1696 }
1697
1698 if (bpf_peers_present(ic->ic_rawbpf))
1699 bpf_mtap(ic->ic_rawbpf, m);
1700
1701 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1702 {
1703 ieee80211_free_node(ni);
1704 ifp->if_oerrors++;
1705 break;
1706 }
1707
1708 rt2860_drain_fifo_stats(sc);
1709 }
1710
1711 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1712
1713 ic->ic_lastdata = ticks;
1714
1715 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1716 }
1717
1718 RT2860_SOFTC_UNLOCK(sc);
1719 }
1720
1721 /*
1722 * rt2860_ioctl
1723 */
1724 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1725 {
1726 struct rt2860_softc *sc;
1727 struct ieee80211com *ic;
1728 int error;
1729
1730 sc = ifp->if_softc;
1731 ic = &sc->ic;
1732
1733 error = 0;
1734
1735 switch (cmd)
1736 {
1737 case SIOCSIFFLAGS:
1738 RT2860_SOFTC_LOCK(sc);
1739
1740 if (ifp->if_flags & IFF_UP)
1741 {
1742 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1743 {
1744 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1745 rt2860_asic_update_promisc(sc);
1746 }
1747 else
1748 {
1749 rt2860_init_locked(sc);
1750 }
1751 }
1752 else
1753 {
1754 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1755 rt2860_stop_locked(sc);
1756 }
1757
1758 sc->if_flags = ifp->if_flags;
1759
1760 RT2860_SOFTC_UNLOCK(sc);
1761 break;
1762
1763 default:
1764 error = ieee80211_ioctl(ic, cmd, data);
1765 }
1766
1767 if (error == ENETRESET)
1768 {
1769 RT2860_SOFTC_LOCK(sc);
1770
1771 if ((ifp->if_flags & IFF_UP) &&
1772 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1773 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1774 {
1775 rt2860_stop_locked(sc);
1776 rt2860_init_locked(sc);
1777 }
1778
1779 RT2860_SOFTC_UNLOCK(sc);
1780
1781 error = 0;
1782 }
1783
1784 return error;
1785 }
1786
1787 /*
1788 * rt2860_reset
1789 */
1790 static int rt2860_reset(struct ifnet *ifp)
1791 {
1792 struct rt2860_softc *sc;
1793 struct ieee80211com *ic;
1794
1795 sc = ifp->if_softc;
1796 ic = &sc->ic;
1797
1798 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1799 return ENETRESET;
1800
1801 rt2860_rf_set_chan(sc, ic->ic_curchan);
1802
1803 return 0;
1804 }
1805
1806 /*
1807 * rt2860_newstate
1808 */
1809 static int rt2860_newstate(struct ieee80211com *ic,
1810 enum ieee80211_state nstate, int arg)
1811 {
1812 struct rt2860_softc *sc;
1813 struct ifnet *ifp;
1814 struct ieee80211_node *ni;
1815 int error;
1816
1817 ifp = ic->ic_ifp;
1818 sc = ifp->if_softc;
1819
1820 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1821 "%s: newstate: %s -> %s\n",
1822 device_get_nameunit(sc->dev),
1823 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1824
1825 error = sc->newstate(ic, nstate, arg);
1826 if (error != 0)
1827 return error;
1828
1829 RT2860_SOFTC_LOCK(sc);
1830
1831 /* turn link LED off */
1832
1833 if (nstate != IEEE80211_S_RUN)
1834 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1835
1836 switch (nstate)
1837 {
1838 case IEEE80211_S_INIT:
1839 rt2860_asic_disable_tsf_sync(sc);
1840 break;
1841
1842 case IEEE80211_S_RUN:
1843 ni = ic->ic_bss;
1844
1845 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1846 {
1847 rt2860_asic_enable_mrr(sc);
1848 rt2860_asic_set_txpreamble(sc);
1849 rt2860_asic_set_basicrates(sc);
1850 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1851 }
1852
1853 if (ic->ic_opmode == IEEE80211_M_STA)
1854 rt2860_newassoc(ni, 1);
1855
1856 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1857 ic->ic_opmode == IEEE80211_M_IBSS)
1858 {
1859 error = rt2860_asic_update_beacon(sc);
1860 if (error != 0)
1861 break;
1862 }
1863
1864 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1865 rt2860_asic_enable_tsf_sync(sc);
1866
1867 /* turn link LED on */
1868
1869 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1870 {
1871 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1872 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1873 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1874 }
1875 break;
1876
1877 default:
1878 break;
1879 }
1880
1881 RT2860_SOFTC_UNLOCK(sc);
1882
1883 return error;
1884 }
1885
1886 /*
1887 * rt2860_scan_start
1888 */
1889 static void rt2860_scan_start(struct ieee80211com *ic)
1890 {
1891 struct rt2860_softc *sc;
1892 struct ifnet *ifp;
1893
1894 ifp = ic->ic_ifp;
1895 sc = ifp->if_softc;
1896
1897 rt2860_asic_disable_tsf_sync(sc);
1898 }
1899
1900 /*
1901 * rt2860_scan_end
1902 */
1903 static void rt2860_scan_end(struct ieee80211com *ic)
1904 {
1905 struct rt2860_softc *sc;
1906 struct ifnet *ifp;
1907
1908 ifp = ic->ic_ifp;
1909 sc = ifp->if_softc;
1910
1911 rt2860_asic_enable_tsf_sync(sc);
1912 }
1913
1914 /*
1915 * rt2860_set_channel
1916 */
1917 static void rt2860_set_channel(struct ieee80211com *ic)
1918 {
1919 struct rt2860_softc *sc;
1920 struct ifnet *ifp;
1921
1922 ifp = ic->ic_ifp;
1923 sc = ifp->if_softc;
1924
1925 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
1926 "%s: set channel: channel=%u, HT%s%s\n",
1927 device_get_nameunit(sc->dev),
1928 ieee80211_chan2ieee(ic, ic->ic_curchan),
1929 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
1930 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
1931 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
1932 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
1933
1934 RT2860_SOFTC_LOCK(sc);
1935
1936 rt2860_rf_set_chan(sc, ic->ic_curchan);
1937
1938 RT2860_SOFTC_UNLOCK(sc);
1939 }
1940
1941 /*
1942 * rt2860_newassoc
1943 */
1944 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
1945 {
1946 struct rt2860_softc *sc;
1947 struct ieee80211com *ic;
1948 struct ifnet *ifp;
1949 uint16_t associd;
1950 uint8_t wcid;
1951
1952 ic = ni->ni_ic;
1953 ifp = ic->ic_ifp;
1954 sc = ifp->if_softc;
1955
1956 associd = (ni != NULL) ? ni->ni_associd : 0;
1957 wcid = RT2860_AID2WCID(associd);
1958
1959 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
1960 "%s: new association: wcid=0x%02x, "
1961 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
1962 device_get_nameunit(sc->dev), wcid,
1963 ether_sprintf(ni->ni_macaddr),
1964 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
1965 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
1966 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
1967
1968 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
1969 ni->ni_macaddr, IEEE80211_ADDR_LEN);
1970
1971 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
1972
1973 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
1974 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
1975 device_get_nameunit(sc->dev),
1976 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
1977 ni->ni_associd,
1978 (ni->ni_flags & IEEE80211_NODE_HT) ?
1979 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
1980 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
1981 (ni->ni_flags & IEEE80211_NODE_HT) ?
1982 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
1983 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
1984
1985 rt2860_asic_updateprot(sc);
1986 rt2860_asic_updateslot(sc);
1987 rt2860_asic_set_txpreamble(sc);
1988 }
1989
1990 /*
1991 * rt2860_updateslot
1992 */
1993 static void rt2860_updateslot(struct ifnet *ifp)
1994 {
1995 struct rt2860_softc *sc;
1996
1997 sc = ifp->if_softc;
1998
1999 rt2860_asic_updateslot(sc);
2000 }
2001
2002 /*
2003 * rt2860_wme_update
2004 */
2005 static int rt2860_wme_update(struct ieee80211com *ic)
2006 {
2007 struct rt2860_softc *sc;
2008 struct ifnet *ifp;
2009
2010 ifp = ic->ic_ifp;
2011 sc = ifp->if_softc;
2012
2013 rt2860_asic_wme_update(sc);
2014
2015 return 0;
2016 }
2017
2018 /*
2019 * rt2860_update_beacon
2020 */
2021 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2022 {
2023 struct rt2860_softc *sc;
2024 struct ifnet *ifp;
2025
2026 ifp = ic->ic_ifp;
2027 sc = ifp->if_softc;
2028
2029 rt2860_asic_update_beacon(sc);
2030 }
2031
2032 /*
2033 * rt2860_key_update_begin
2034 */
2035 static void rt2860_key_update_begin(struct ieee80211com *ic)
2036 {
2037 struct rt2860_softc *sc;
2038 struct ifnet *ifp;
2039
2040 ifp = ic->ic_ifp;
2041 sc = ifp->if_softc;
2042
2043 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2044 "%s: key update begin\n",
2045 device_get_nameunit(sc->dev));
2046
2047 taskqueue_block(sc->taskqueue);
2048
2049 IF_LOCK(&ifp->if_snd);
2050 }
2051
2052 /*
2053 * rt2860_key_update_end
2054 */
2055 static void rt2860_key_update_end(struct ieee80211com *ic)
2056 {
2057 struct rt2860_softc *sc;
2058 struct ifnet *ifp;
2059
2060 ifp = ic->ic_ifp;
2061 sc = ifp->if_softc;
2062
2063 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2064 "%s: key update end\n",
2065 device_get_nameunit(sc->dev));
2066
2067 IF_UNLOCK(&ifp->if_snd);
2068
2069 taskqueue_unblock(sc->taskqueue);
2070 }
2071
2072 /*
2073 * rt2860_key_set
2074 */
2075 static int rt2860_key_set(struct ieee80211com *ic,
2076 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2077 {
2078 struct rt2860_softc *sc;
2079 struct ifnet *ifp;
2080 struct ieee80211_node *ni;
2081 uint16_t associd, key_base, keymode_base;
2082 uint8_t mode, vapid, wcid, iv[8];
2083 uint32_t tmp;
2084
2085 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2086 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2087 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2088 return EINVAL;
2089
2090 ifp = ic->ic_ifp;
2091 sc = ifp->if_softc;
2092
2093 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2094 ni = ic->ic_bss;
2095 else
2096 ni = ieee80211_find_node(&ic->ic_sta, mac);
2097
2098 associd = (ni != NULL) ? ni->ni_associd : 0;
2099
2100 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2101 ieee80211_free_node(ni);
2102
2103 switch (k->wk_cipher->ic_cipher)
2104 {
2105 case IEEE80211_CIPHER_WEP:
2106 if(k->wk_keylen < 8)
2107 mode = RT2860_REG_CIPHER_MODE_WEP40;
2108 else
2109 mode = RT2860_REG_CIPHER_MODE_WEP104;
2110 break;
2111
2112 case IEEE80211_CIPHER_TKIP:
2113 mode = RT2860_REG_CIPHER_MODE_TKIP;
2114 break;
2115
2116 case IEEE80211_CIPHER_AES_CCM:
2117 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2118 break;
2119
2120 default:
2121 return EINVAL;
2122 }
2123
2124 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2125 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2126 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2127 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2128
2129 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2130 {
2131 /* install pairwise key */
2132
2133 vapid = 0;
2134 wcid = RT2860_AID2WCID(associd);
2135 key_base = RT2860_REG_PKEY(wcid);
2136
2137 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2138 {
2139 memset(iv, 0, 8);
2140
2141 iv[3] = (k->wk_keyix << 6);
2142 }
2143 else
2144 {
2145 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2146 {
2147 iv[0] = (k->wk_keytsc >> 8);
2148 iv[1] = ((iv[0] | 0x20) & 0x7f);
2149 iv[2] = k->wk_keytsc;
2150 }
2151 else
2152 {
2153 /* AES CCMP */
2154
2155 iv[0] = k->wk_keytsc;
2156 iv[1] = k->wk_keytsc >> 8;
2157 iv[2] = 0;
2158 }
2159
2160 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2161 iv[4] = (k->wk_keytsc >> 16);
2162 iv[5] = (k->wk_keytsc >> 24);
2163 iv[6] = (k->wk_keytsc >> 32);
2164 iv[7] = (k->wk_keytsc >> 40);
2165
2166 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2167 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2168 device_get_nameunit(sc->dev),
2169 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2170 }
2171
2172 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2173
2174 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2175 {
2176 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2177
2178 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2179 {
2180 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2181 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2182 }
2183 else
2184 {
2185 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2186 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2187 }
2188 }
2189 else
2190 {
2191 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2192 }
2193
2194 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2195 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2196
2197 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2198 }
2199
2200 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2201 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2202 {
2203 /* install group key */
2204
2205 vapid = 0;
2206 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2207 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2208
2209 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2210 {
2211 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2212
2213 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2214 {
2215 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2216 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2217 }
2218 else
2219 {
2220 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2221 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2222 }
2223 }
2224 else
2225 {
2226 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2227 }
2228
2229 tmp = rt2860_io_mac_read(sc, keymode_base);
2230
2231 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2232 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2233
2234 rt2860_io_mac_write(sc, keymode_base, tmp);
2235 }
2236
2237 return 1;
2238 }
2239
2240 /*
2241 * rt2860_key_delete
2242 */
2243 static int rt2860_key_delete(struct ieee80211com *ic,
2244 const struct ieee80211_key *k)
2245 {
2246 struct rt2860_softc *sc;
2247 struct ieee80211_node *ni;
2248 uint16_t associd;
2249 uint8_t vapid, wcid;
2250 uint32_t tmp;
2251
2252 sc = ic->ic_ifp->if_softc;
2253 ni = ic->ic_bss;
2254 associd = (ni != NULL) ? ni->ni_associd : 0;
2255
2256 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2257 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2258 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2259 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2260
2261 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2262 {
2263 /* remove pairwise key */
2264
2265 wcid = RT2860_AID2WCID(associd);
2266
2267 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID_ATTR(wcid));
2268
2269 tmp &= ~0xf;
2270 tmp |= (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT);
2271
2272 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2273 }
2274 else
2275 {
2276 /* remove group key */
2277
2278 vapid = 0;
2279
2280 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2281
2282 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2283 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2284
2285 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2286 }
2287
2288 return 1;
2289 }
2290
2291 /*
2292 * rt2860_raw_xmit
2293 */
2294 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2295 const struct ieee80211_bpf_params *params)
2296 {
2297 return 0;
2298 }
2299
2300 /*
2301 * rt2860_media_change
2302 */
2303 static int rt2860_media_change(struct ifnet *ifp)
2304 {
2305 struct rt2860_softc *sc;
2306 int error;
2307
2308 sc = ifp->if_softc;
2309
2310 error = ieee80211_media_change(ifp);
2311 if (error != ENETRESET)
2312 return error;
2313
2314 RT2860_SOFTC_LOCK(sc);
2315
2316 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2317 {
2318 rt2860_stop_locked(sc);
2319 rt2860_init_locked(sc);
2320 }
2321
2322 RT2860_SOFTC_UNLOCK(sc);
2323
2324 return 0;
2325 }
2326
2327 /*
2328 * rt2860_recv_action
2329 */
2330 static void rt2860_recv_action(struct ieee80211_node *ni,
2331 const uint8_t *frm, const uint8_t *efrm)
2332 {
2333 struct rt2860_softc *sc;
2334 struct ieee80211com *ic;
2335 struct ifnet *ifp;
2336 const struct ieee80211_action *ia;
2337 uint16_t associd, baparamset;
2338 uint8_t wcid;
2339 int tid;
2340 uint32_t tmp;
2341
2342 ic = ni->ni_ic;
2343 ifp = ic->ic_ifp;
2344 sc = ifp->if_softc;
2345
2346 ia = (const struct ieee80211_action *) frm;
2347
2348 sc->recv_action(ni, frm, efrm);
2349
2350 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2351 return;
2352
2353 associd = (ni != NULL) ? ni->ni_associd : 0;
2354 wcid = RT2860_AID2WCID(associd);
2355
2356 switch (ia->ia_action)
2357 {
2358 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2359 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2360 baparamset = LE_READ_2(frm + 3);
2361 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2362
2363 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2364 "%s: adding A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2365 device_get_nameunit(sc->dev), associd, tid);
2366
2367 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2368
2369 tmp |= (0x10000 << tid);
2370
2371 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2372 break;
2373
2374 /* IEEE80211_ACTION_BA_DELBA */
2375 case IEEE80211_ACTION_BA_DELBA:
2376 baparamset = LE_READ_2(frm + 2);
2377 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2378
2379 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2380 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2381 device_get_nameunit(sc->dev), associd, tid);
2382
2383 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2384
2385 tmp &= ~(0x10000 << tid);
2386
2387 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2388 break;
2389 }
2390 }
2391
2392 /*
2393 * rt2860_send_action
2394 */
2395 static int rt2860_send_action(struct ieee80211_node *ni,
2396 int category, int action, uint16_t args[4])
2397 {
2398 struct rt2860_softc *sc;
2399 struct ieee80211com *ic;
2400 struct ifnet *ifp;
2401 uint16_t associd, baparamset;
2402 uint8_t wcid;
2403 int ret, tid;
2404 uint32_t tmp;
2405
2406 ic = ni->ni_ic;
2407 ifp = ic->ic_ifp;
2408 sc = ifp->if_softc;
2409
2410 ret = sc->send_action(ni, category, action, args);
2411
2412 if (category != IEEE80211_ACTION_CAT_BA)
2413 return ret;
2414
2415 associd = (ni != NULL) ? ni->ni_associd : 0;
2416 wcid = RT2860_AID2WCID(associd);
2417
2418 switch (action)
2419 {
2420 /* IEEE80211_ACTION_BA_DELBA */
2421 case IEEE80211_ACTION_BA_DELBA:
2422 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) |
2423 RT2860_SM(args[1], IEEE80211_DELBAPS_INIT);
2424
2425 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2426 break;
2427
2428 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2429
2430 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2431 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2432 device_get_nameunit(sc->dev), associd, tid);
2433
2434 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2435
2436 tmp &= ~(0x10000 << tid);
2437
2438 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2439 break;
2440 }
2441
2442 return ret;
2443 }
2444
2445 /*
2446 * rt2860_amrr_update_iter_func
2447 */
2448 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2449 {
2450 struct rt2860_softc *sc;
2451 struct ieee80211com *ic;
2452 uint8_t wcid;
2453
2454 sc = arg;
2455 ic = &sc->ic;
2456
2457 /* only associated stations */
2458
2459 if (ni->ni_associd != 0)
2460 {
2461 wcid = RT2860_AID2WCID(ni->ni_associd);
2462
2463 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2464
2465 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2466 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2467 device_get_nameunit(sc->dev),
2468 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2469 ni->ni_associd,
2470 (ni->ni_flags & IEEE80211_NODE_HT) ?
2471 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2472 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2473 (ni->ni_flags & IEEE80211_NODE_HT) ?
2474 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2475 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2476 }
2477 }
2478
2479 /*
2480 * rt2860_periodic
2481 */
2482 static void rt2860_periodic(void *arg)
2483 {
2484 struct rt2860_softc *sc;
2485
2486 sc = arg;
2487
2488 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2489 "%s: periodic\n",
2490 device_get_nameunit(sc->dev));
2491
2492 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2493 }
2494
2495 /*
2496 * rt2860_tx_watchdog
2497 */
2498 static void rt2860_tx_watchdog(void *arg)
2499 {
2500 struct rt2860_softc *sc;
2501 struct ifnet *ifp;
2502
2503 sc = arg;
2504 ifp = sc->ifp;
2505
2506 if (sc->tx_timer == 0)
2507 return;
2508
2509 if (--sc->tx_timer == 0)
2510 {
2511 printf("%s: Tx watchdog timeout: resetting\n",
2512 device_get_nameunit(sc->dev));
2513
2514 rt2860_stop_locked(sc);
2515 rt2860_init_locked(sc);
2516
2517 ifp->if_oerrors++;
2518
2519 sc->tx_watchdog_timeouts++;
2520 }
2521
2522 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2523 }
2524
2525 /*
2526 * rt2860_asic_set_bssid
2527 */
2528 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2529 const uint8_t *bssid)
2530 {
2531 uint32_t tmp;
2532
2533 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2534 "%s: set bssid: bssid=%s\n",
2535 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2536
2537 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2538
2539 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2540
2541 tmp = bssid[4] | (bssid[5] << 8);
2542
2543 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2544 }
2545
2546 /*
2547 * rt2860_asic_set_macaddr
2548 */
2549 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2550 const uint8_t *addr)
2551 {
2552 uint32_t tmp;
2553
2554 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2555
2556 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2557
2558 tmp = addr[4] | (addr[5] << 8);
2559
2560 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2561 }
2562
2563 /*
2564 * rt2860_asic_enable_tsf_sync
2565 */
2566 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2567 {
2568 struct ieee80211com *ic;
2569 uint32_t tmp;
2570
2571 ic = &sc->ic;
2572
2573 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2574 "%s: enabling TSF\n",
2575 device_get_nameunit(sc->dev));
2576
2577 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2578
2579 tmp &= ~0x1fffff;
2580 tmp |= ic->ic_bss->ni_intval * 16;
2581 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2582
2583 if (ic->ic_opmode == IEEE80211_M_STA)
2584 {
2585 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2586 }
2587 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2588 {
2589 tmp |= RT2860_REG_BCN_TX_ENABLE;
2590 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2591 }
2592 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2593 {
2594 tmp |= RT2860_REG_BCN_TX_ENABLE;
2595 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2596 }
2597
2598 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2599 }
2600
2601 /*
2602 * rt2860_asic_disable_tsf_sync
2603 */
2604 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2605 {
2606 uint32_t tmp;
2607
2608 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2609 "%s: disabling TSF\n",
2610 device_get_nameunit(sc->dev));
2611
2612 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2613
2614 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2615 RT2860_REG_TSF_TIMER_ENABLE |
2616 RT2860_REG_TBTT_TIMER_ENABLE);
2617
2618 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2619 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2620
2621 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2622 }
2623
2624 /*
2625 * rt2860_asic_enable_mrr
2626 */
2627 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2628 {
2629 #define CCK(mcs) (mcs)
2630 #define OFDM(mcs) ((1 << 3) | (mcs))
2631 #define HT(mcs) (mcs)
2632
2633 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2634 (OFDM(6) << 28) | /* 54 -> 48 */
2635 (OFDM(5) << 24) | /* 48 -> 36 */
2636 (OFDM(4) << 20) | /* 36 -> 24 */
2637 (OFDM(3) << 16) | /* 24 -> 18 */
2638 (OFDM(2) << 12) | /* 18 -> 12 */
2639 (OFDM(1) << 8) | /* 12 -> 9 */
2640 (OFDM(0) << 4) | /* 9 -> 6 */
2641 OFDM(0)); /* 6 -> 6 */
2642
2643 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2644 (CCK(2) << 12) | /* 11 -> 5.5 */
2645 (CCK(1) << 8) | /* 5.5 -> 2 */
2646 (CCK(0) << 4) | /* 2 -> 1 */
2647 CCK(0)); /* 1 -> 1 */
2648
2649 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2650 (HT(6) << 28) |
2651 (HT(5) << 24) |
2652 (HT(4) << 20) |
2653 (HT(3) << 16) |
2654 (HT(2) << 12) |
2655 (HT(1) << 8) |
2656 (HT(0) << 4) |
2657 HT(0));
2658
2659 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2660 (HT(14) << 28) |
2661 (HT(13) << 24) |
2662 (HT(12) << 20) |
2663 (HT(11) << 16) |
2664 (HT(10) << 12) |
2665 (HT(9) << 8) |
2666 (HT(8) << 4) |
2667 HT(8));
2668
2669 #undef HT
2670 #undef OFDM
2671 #undef CCK
2672 }
2673
2674 /*
2675 * rt2860_asic_set_txpreamble
2676 */
2677 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2678 {
2679 struct ieee80211com *ic;
2680 uint32_t tmp;
2681
2682 ic = &sc->ic;
2683
2684 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2685 "%s: %s short Tx preamble\n",
2686 device_get_nameunit(sc->dev),
2687 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2688
2689 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2690
2691 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2692
2693 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2694 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2695
2696 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2697 }
2698
2699 /*
2700 * rt2860_asic_set_basicrates
2701 */
2702 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2703 {
2704 struct ieee80211com *ic;
2705
2706 ic = &sc->ic;
2707
2708 if (ic->ic_curmode == IEEE80211_MODE_11B)
2709 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2710 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2711 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2712 else
2713 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2714 }
2715
2716 /*
2717 * rt2860_asic_update_rtsthreshold
2718 */
2719 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2720 {
2721 struct ieee80211com *ic;
2722 uint32_t tmp;
2723 uint16_t threshold;
2724
2725 ic = &sc->ic;
2726
2727 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2728 "%s: updating RTS threshold: %d\n",
2729 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2730
2731 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2732
2733 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2734
2735 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
2736 ic->ic_rtsthreshold : 0x1000;
2737
2738 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2739 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2740
2741 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2742 }
2743
2744 /*
2745 * rt2860_asic_update_txpower
2746 */
2747 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2748 {
2749 struct ieee80211com *ic;
2750 uint32_t *txpow_rate;
2751 int8_t delta;
2752 uint8_t val;
2753 uint32_t tmp;
2754 int i;
2755
2756 ic = &sc->ic;
2757
2758 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2759 "%s: updating Tx power: %d\n",
2760 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
2761
2762 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
2763 {
2764 txpow_rate = sc->txpow_rate_20mhz;
2765 }
2766 else
2767 {
2768 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
2769 txpow_rate = sc->txpow_rate_40mhz_2ghz;
2770 else
2771 txpow_rate = sc->txpow_rate_40mhz_5ghz;
2772 }
2773
2774 delta = 0;
2775
2776 val = rt2860_io_bbp_read(sc, 1);
2777 val &= 0xfc;
2778
2779 if (ic->ic_txpowlimit > 90)
2780 {
2781 /* do nothing */
2782 }
2783 else if (ic->ic_txpowlimit > 60)
2784 {
2785 delta -= 1;
2786 }
2787 else if (ic->ic_txpowlimit > 30)
2788 {
2789 delta -= 3;
2790 }
2791 else if (ic->ic_txpowlimit > 15)
2792 {
2793 val |= 0x1;
2794 }
2795 else if (ic->ic_txpowlimit > 9)
2796 {
2797 val |= 0x1;
2798 delta -= 3;
2799 }
2800 else
2801 {
2802 val |= 0x2;
2803 }
2804
2805 rt2860_io_bbp_write(sc, 1, val);
2806
2807 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
2808 {
2809 if (txpow_rate[i] == 0xffffffff)
2810 continue;
2811
2812 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
2813
2814 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
2815 }
2816 }
2817
2818 /*
2819 * rt2860_asic_update_promisc
2820 */
2821 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
2822 {
2823 struct ifnet *ifp;
2824 uint32_t tmp;
2825
2826 ifp = sc->ic.ic_ifp;
2827
2828 printf("%s: %s promiscuous mode\n",
2829 device_get_nameunit(sc->dev),
2830 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
2831
2832 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
2833
2834 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
2835
2836 if (!(ifp->if_flags & IFF_PROMISC))
2837 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
2838
2839 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
2840 }
2841
2842 /*
2843 * rt2860_asic_updateprot
2844 */
2845 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
2846 {
2847 struct ieee80211com *ic;
2848 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
2849 uint8_t htopmode;
2850
2851 ic = &sc->ic;
2852
2853 /* CCK frame protection */
2854
2855 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2856 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
2857
2858 /* set up protection frame phy mode and rate (MCS code) */
2859
2860 if (ic->ic_curmode == IEEE80211_MODE_11A)
2861 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2862 (0 << RT2860_REG_PROT_MCS_SHIFT);
2863 else
2864 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2865 (3 << RT2860_REG_PROT_MCS_SHIFT));
2866
2867 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
2868
2869 /* OFDM frame protection */
2870
2871 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2872 RT2860_REG_TXOP_ALLOW_ALL;
2873
2874 if (ic->ic_flags & IEEE80211_F_USEPROT)
2875 {
2876 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2877 "%s: updating protection mode: b/g protection mode=%s\n",
2878 device_get_nameunit(sc->dev),
2879 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2880 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2881
2882 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2883 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2884 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2885 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
2886 else
2887 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2888 }
2889 else
2890 {
2891 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2892 "%s: updating protection mode: b/g protection mode=%s\n",
2893 device_get_nameunit(sc->dev), "none");
2894
2895 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2896 }
2897
2898 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
2899
2900 /* HT frame protection */
2901
2902 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
2903 htopmode = ic->ic_bss->ni_htopmode;
2904 else
2905 htopmode = ic->ic_curhtprotmode;
2906
2907 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2908 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
2909 device_get_nameunit(sc->dev),
2910 htopmode & IEEE80211_HTINFO_OPMODE,
2911 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2912 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2913
2914 switch (htopmode & IEEE80211_HTINFO_OPMODE)
2915 {
2916 /* IEEE80211_HTINFO_OPMODE_HT20PR */
2917 case IEEE80211_HTINFO_OPMODE_HT20PR:
2918 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
2919 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
2920 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
2921 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2922 (4 << RT2860_REG_PROT_MCS_SHIFT);
2923
2924 gf20_prot = mm20_prot;
2925
2926 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
2927 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2928 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
2929
2930 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
2931 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2932 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
2933 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
2934 else
2935 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
2936
2937 gf40_prot = mm40_prot;
2938 break;
2939
2940 /* IEEE80211_HTINFO_OPMODE_MIXED */
2941 case IEEE80211_HTINFO_OPMODE_MIXED:
2942 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
2943 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
2944 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
2945
2946 if (ic->ic_flags & IEEE80211_F_USEPROT)
2947 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2948 (3 << RT2860_REG_PROT_MCS_SHIFT);
2949 else
2950 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2951 (4 << RT2860_REG_PROT_MCS_SHIFT);
2952
2953 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
2954 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2955 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
2956 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
2957 else
2958 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
2959
2960 gf20_prot = mm20_prot;
2961
2962 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
2963
2964 if (ic->ic_flags & IEEE80211_F_USEPROT)
2965 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2966 (3 << RT2860_REG_PROT_MCS_SHIFT);
2967 else
2968 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2969 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
2970
2971 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
2972 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2973 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
2974 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
2975 else
2976 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
2977
2978 gf40_prot = mm40_prot;
2979 break;
2980
2981 /*
2982 * IEEE80211_HTINFO_OPMODE_PURE
2983 * IEEE80211_HTINFO_OPMODE_PROTOPT
2984 */
2985 case IEEE80211_HTINFO_OPMODE_PURE:
2986 case IEEE80211_HTINFO_OPMODE_PROTOPT:
2987 default:
2988 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
2989 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
2990 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
2991 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2992 (4 << RT2860_REG_PROT_MCS_SHIFT);
2993
2994 gf20_prot = mm20_prot;
2995
2996 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
2997 RT2860_REG_TXOP_ALLOW_ALL |
2998 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2999 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3000
3001 gf40_prot = mm40_prot;
3002 break;
3003 }
3004
3005 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3006 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3007 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3008 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3009 }
3010
3011 /*
3012 * rt2860_asic_updateslot
3013 */
3014 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3015 {
3016 struct ieee80211com *ic;
3017 uint32_t tmp;
3018
3019 ic = &sc->ic;
3020
3021 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3022 "%s: %s short slot time\n",
3023 device_get_nameunit(sc->dev),
3024 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3025
3026 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3027
3028 tmp &= ~0xff;
3029 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3030
3031 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3032 }
3033
3034 /*
3035 * rt2860_asic_wme_update
3036 */
3037 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3038 {
3039 struct ieee80211com *ic;
3040 struct ieee80211_wme_state *wme;
3041 const struct wmeParams *wmep;
3042 int i;
3043
3044 ic = &sc->ic;
3045 wme = &ic->ic_wme;
3046 wmep = wme->wme_chanParams.cap_wmeParams;
3047
3048 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3049 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3050 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3051 device_get_nameunit(sc->dev),
3052 wmep[WME_AC_VO].wmep_aifsn,
3053 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3054 wmep[WME_AC_VO].wmep_txopLimit,
3055 wmep[WME_AC_VI].wmep_aifsn,
3056 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3057 wmep[WME_AC_VI].wmep_txopLimit,
3058 wmep[WME_AC_BK].wmep_aifsn,
3059 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3060 wmep[WME_AC_BK].wmep_txopLimit,
3061 wmep[WME_AC_BE].wmep_aifsn,
3062 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3063 wmep[WME_AC_BE].wmep_txopLimit);
3064
3065 for (i = 0; i < WME_NUM_AC; i++)
3066 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3067 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3068 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3069
3070 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3071 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3072 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3073
3074 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3075 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3076 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3077
3078 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3079 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3080 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3081
3082 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3083 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3084
3085 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3086 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3087 }
3088
3089 /*
3090 * rt2860_asic_update_beacon
3091 */
3092 static int rt2860_asic_update_beacon(struct rt2860_softc *sc)
3093 {
3094 struct ieee80211com *ic;
3095 struct mbuf *m;
3096 struct rt2860_txwi txwi;
3097 uint8_t rate, mcs;
3098 uint32_t tmp;
3099
3100 ic = &sc->ic;
3101
3102 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3103 if (m == NULL)
3104 return ENOMEM;
3105
3106 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3107 mcs = rt2860_rate2mcs(rate);
3108
3109 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3110
3111 txwi.wcid = 0xff;
3112 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3113 RT2860_TXWI_MPDU_LEN_SHIFT);
3114 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3115 txwi.mpdu_density_flags |=
3116 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3117 txwi.bawin_size_xflags |=
3118 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3119
3120 if (rate == 2)
3121 {
3122 txwi.phymode_ifs_stbc_shortgi =
3123 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3124
3125 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3126 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3127 }
3128 else
3129 {
3130 txwi.phymode_ifs_stbc_shortgi =
3131 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3132 }
3133
3134 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3135 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3136
3137 /* disable temporarily TSF sync */
3138
3139 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3140
3141 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3142 RT2860_REG_TSF_TIMER_ENABLE |
3143 RT2860_REG_TBTT_TIMER_ENABLE);
3144
3145 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3146
3147 /* write Tx wireless info and beacon frame to on-chip memory */
3148
3149 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3150 &txwi, sizeof(struct rt2860_txwi));
3151
3152 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3153 mtod(m, uint8_t *), m->m_pkthdr.len);
3154
3155 /* enable again TSF sync */
3156
3157 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3158
3159 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3160 RT2860_REG_TSF_TIMER_ENABLE |
3161 RT2860_REG_TBTT_TIMER_ENABLE);
3162
3163 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3164
3165 m_freem(m);
3166
3167 return 0;
3168 }
3169
3170 /*
3171 * rt2860_asic_clear_keytables
3172 */
3173 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3174 {
3175 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3176
3177 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID(0), 0, 2 * 256);
3178
3179 /* clear WCID attribute table (entries = 256, entry size = 4) */
3180
3181 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3182
3183 /* clear IV/EIV table (entries = 256, entry size = 8) */
3184
3185 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3186
3187 /* clear pairwise key table (entries = 256, entry size = 32) */
3188
3189 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3190
3191 /* clear shared key table (entries = 32, entry size = 32) */
3192
3193 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3194
3195 /* clear shared key mode (entries = 32, entry size = 2) */
3196
3197 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3198 }
3199
3200 /*
3201 * rt2860_rxrate
3202 */
3203 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3204 {
3205 uint8_t mcs, phymode;
3206 uint8_t rate;
3207
3208 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3209 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3210 RT2860_RXWI_PHYMODE_MASK;
3211
3212 rate = 2;
3213
3214 switch (phymode)
3215 {
3216 case RT2860_RXWI_PHYMODE_CCK:
3217 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3218 {
3219 case 0: rate = 2; break; /* 1 Mbps */
3220 case 1: rate = 4; break; /* 2 MBps */
3221 case 2: rate = 11; break; /* 5.5 Mbps */
3222 case 3: rate = 22; break; /* 11 Mbps */
3223 }
3224 break;
3225
3226 case RT2860_RXWI_PHYMODE_OFDM:
3227 switch (mcs)
3228 {
3229 case 0: rate = 12; break; /* 6 Mbps */
3230 case 1: rate = 18; break; /* 9 Mbps */
3231 case 2: rate = 24; break; /* 12 Mbps */
3232 case 3: rate = 36; break; /* 18 Mbps */
3233 case 4: rate = 48; break; /* 24 Mbps */
3234 case 5: rate = 72; break; /* 36 Mbps */
3235 case 6: rate = 96; break; /* 48 Mbps */
3236 case 7: rate = 108; break; /* 54 Mbps */
3237 }
3238 break;
3239
3240 case RT2860_RXWI_PHYMODE_HT_MIXED:
3241 case RT2860_RXWI_PHYMODE_HT_GF:
3242 break;
3243 }
3244
3245 return rate;
3246 }
3247
3248 /*
3249 * rt2860_maxrssi_rxpath
3250 */
3251 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3252 const struct rt2860_rxwi *rxwi)
3253 {
3254 uint8_t rxpath;
3255
3256 rxpath = 0;
3257
3258 if (sc->nrxpath > 1)
3259 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3260 rxpath = 1;
3261
3262 if (sc->nrxpath > 2)
3263 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3264 rxpath = 2;
3265
3266 return rxpath;
3267 }
3268
3269 /*
3270 * rt2860_rssi2dbm
3271 */
3272 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3273 uint8_t rssi, uint8_t rxpath)
3274 {
3275 struct ieee80211com *ic;
3276 struct ieee80211_channel *c;
3277 int chan, delta;
3278
3279 ic = &sc->ic;
3280 c = ic->ic_curchan;
3281 chan = ieee80211_chan2ieee(ic, c);
3282
3283 if (IEEE80211_IS_CHAN_5GHZ(c))
3284 {
3285 delta = sc->rssi_off_5ghz[rxpath];
3286
3287 if (chan <= 64)
3288 delta -= sc->lna_gain[1];
3289 else if (chan <= 128)
3290 delta -= sc->lna_gain[2];
3291 else
3292 delta -= sc->lna_gain[3];
3293 }
3294 else
3295 {
3296 delta = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3297 }
3298
3299 return (-12 - delta - rssi);
3300 }
3301
3302 /*
3303 * rt2860_rate2mcs
3304 */
3305 static uint8_t rt2860_rate2mcs(uint8_t rate)
3306 {
3307 switch (rate)
3308 {
3309 /* CCK rates */
3310 case 2: return 0;
3311 case 4: return 1;
3312 case 11: return 2;
3313 case 22: return 3;
3314
3315 /* OFDM rates */
3316 case 12: return 0;
3317 case 18: return 1;
3318 case 24: return 2;
3319 case 36: return 3;
3320 case 48: return 4;
3321 case 72: return 5;
3322 case 96: return 6;
3323 case 108: return 7;
3324 }
3325
3326 return 0;
3327 }
3328
3329 /*
3330 * rt2860_ackrate
3331 */
3332 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3333 {
3334 switch (rate)
3335 {
3336 /* CCK rates */
3337
3338 case 2:
3339 return 2;
3340
3341 case 4:
3342 case 11:
3343 case 22:
3344 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3345
3346 /* OFDM rates */
3347
3348 case 12:
3349 case 18:
3350 return 12;
3351
3352 case 24:
3353 case 36:
3354 return 24;
3355
3356 case 48:
3357 case 72:
3358 case 96:
3359 case 108:
3360 return 48;
3361 }
3362
3363 /* default to 1Mbps */
3364 return 2;
3365 }
3366
3367 /*
3368 * rt2860_txtime
3369 */
3370 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3371 {
3372 uint16_t txtime;
3373
3374 if (RT2860_RATE_IS_OFDM(rate))
3375 {
3376 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3377 txtime = 16 + 4 + 4 * txtime + 6;
3378 }
3379 else
3380 {
3381 txtime = (16 * len + rate - 1) / rate;
3382
3383 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3384 txtime += 72 + 24;
3385 else
3386 txtime += 144 + 48;
3387 }
3388
3389 return txtime;
3390 }
3391
3392 /*
3393 * rt2860_tx_frame
3394 */
3395 static int rt2860_tx_frame(struct rt2860_softc *sc,
3396 struct mbuf *m, struct ieee80211_node *ni, int qid)
3397 {
3398 struct ieee80211com *ic;
3399 struct rt2860_softc_tx_ring *ring;
3400 struct rt2860_softc_tx_data *data;
3401 struct rt2860_txdesc *desc;
3402 struct rt2860_txwi *txwi;
3403 struct ieee80211_frame *wh;
3404 struct rt2860_softc_tx_radiotap_header *tap;
3405 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3406 u_int hdrsize, hdrspace;
3407 uint8_t type, rate, bw, shortgi, mcs, pid, wcid, qsel;
3408 uint16_t qos, len, dmalen, mpdu_len, dur;
3409 int error, hasqos, ackrate, ndmasegs, ndescs, i, j;
3410
3411 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3412 ("%s: Tx frame: invalid qid=%d\n",
3413 device_get_nameunit(sc->dev), qid));
3414
3415 ic = &sc->ic;
3416
3417 ring = &sc->tx_ring[qid];
3418 desc = &ring->desc[ring->desc_cur];
3419 data = &ring->data[ring->data_cur];
3420 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3421
3422 wh = mtod(m, struct ieee80211_frame *);
3423
3424 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3425
3426 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3427 if (hasqos)
3428 {
3429 if (IEEE80211_HAS_ADDR4(wh))
3430 qos = le16toh(*(const uint16_t *)
3431 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3432 else
3433 qos = le16toh(*(const uint16_t *)
3434 (((struct ieee80211_qosframe *) wh)->i_qos));
3435 }
3436 else
3437 {
3438 qos = 0;
3439 }
3440
3441 if (ni->ni_flags & IEEE80211_NODE_HT)
3442 {
3443 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3444 rate = 0;
3445 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3446 rate = ic->ic_fixed_rate;
3447 else
3448 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3449 }
3450 else
3451 {
3452 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3453 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3454 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3455 rate = ic->ic_fixed_rate;
3456 else
3457 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3458 }
3459
3460 rate &= IEEE80211_RATE_VAL;
3461
3462 /* fill Tx wireless info */
3463
3464 if (ni->ni_flags & IEEE80211_NODE_HT)
3465 mcs = rate;
3466 else
3467 mcs = rt2860_rate2mcs(rate);
3468
3469 pid = mcs + 1;
3470
3471 /* management frames do not need encryption */
3472
3473 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3474 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3475
3476 /* calculate MPDU length without padding */
3477
3478 hdrsize = ieee80211_hdrsize(wh);
3479 hdrspace = ieee80211_hdrspace(ic, wh);
3480 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3481
3482 memset(txwi, 0, sizeof(struct rt2860_txwi));
3483
3484 txwi->wcid = wcid;
3485
3486 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3487 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3488 RT2860_TXWI_MPDU_LEN_SHIFT);
3489
3490 if ((ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3491 (ni->ni_flags & IEEE80211_NODE_HT))
3492 shortgi = 1;
3493 else
3494 shortgi = 0;
3495
3496 txwi->phymode_ifs_stbc_shortgi |=
3497 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3498
3499 if (ni->ni_flags & IEEE80211_NODE_HT)
3500 {
3501 txwi->phymode_ifs_stbc_shortgi |=
3502 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3503 }
3504 else
3505 {
3506 if (!RT2860_RATE_IS_OFDM(rate))
3507 {
3508 txwi->phymode_ifs_stbc_shortgi |=
3509 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3510
3511 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3512 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3513 }
3514 else
3515 {
3516 txwi->phymode_ifs_stbc_shortgi |=
3517 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3518 }
3519 }
3520
3521 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
3522 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
3523 bw = RT2860_TXWI_BW_40;
3524 else
3525 bw = RT2860_TXWI_BW_20;
3526
3527 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
3528 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3529
3530 if (type != IEEE80211_FC0_TYPE_DATA)
3531 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3532 else
3533 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3534
3535 /* skip ACKs for multicast frames and probe responses */
3536
3537 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3538 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3539 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
3540 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
3541 {
3542 txwi->bawin_size_xflags |=
3543 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3544
3545 if (ni->ni_flags & IEEE80211_NODE_HT)
3546 {
3547 /* preamble + plcp + signal extension */
3548
3549 dur = 16 + 4 + 6;
3550 }
3551 else
3552 {
3553 ackrate = rt2860_ackrate(ic, rate);
3554
3555 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
3556 sc->sifs;
3557 }
3558
3559 *(uint16_t *) wh->i_dur = htole16(dur);
3560 }
3561
3562 /* ask MAC to insert timestamp into probe responses */
3563
3564 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3565 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3566 txwi->mpdu_density_flags |=
3567 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3568
3569 if (bpf_peers_present(sc->drvbpf))
3570 {
3571 tap = &sc->txtap;
3572
3573 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3574 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3575 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3576 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3577 tap->chan_maxpow = 0;
3578
3579 if (ni->ni_flags & IEEE80211_NODE_HT)
3580 tap->rate = mcs | IEEE80211_RATE_MCS;
3581 else
3582 tap->rate = rate;
3583
3584 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3585 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3586
3587 if (shortgi)
3588 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3589
3590 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3591 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3592
3593 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3594 {
3595 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3596
3597 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3598
3599 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3600 }
3601 else
3602 {
3603 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3604 }
3605 }
3606
3607 /* copy and trim 802.11 header */
3608
3609 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3610 m_adj(m, hdrspace);
3611
3612 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3613 dma_seg, &ndmasegs, 0);
3614 if (error != 0)
3615 {
3616 /* too many fragments, linearize */
3617
3618 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3619 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3620 device_get_nameunit(sc->dev));
3621
3622 m = m_defrag(m, M_DONTWAIT);
3623 if (m == NULL)
3624 return ENOMEM;
3625
3626 sc->tx_defrag_packets++;
3627
3628 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3629 dma_seg, &ndmasegs, 0);
3630 if (error != 0)
3631 {
3632 printf("%s: could not load mbuf DMA map: error=%d\n",
3633 device_get_nameunit(sc->dev), error);
3634 m_freem(m);
3635 return error;
3636 }
3637 }
3638
3639 /* determine how many Tx descs are required */
3640
3641 ndescs = 1 + ndmasegs / 2;
3642 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3643 {
3644 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3645 "%s: there are not enough Tx descs\n",
3646 device_get_nameunit(sc->dev));
3647
3648 sc->no_tx_desc_avail++;
3649
3650 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3651 m_freem(m);
3652 return EFBIG;
3653 }
3654
3655 data->m = m;
3656 data->ni = ni;
3657
3658 /* set up Tx descs */
3659
3660 /* first segment is Tx wireless info and 802.11 header */
3661
3662 len = sizeof(struct rt2860_txwi) + hdrsize;
3663
3664 /* align end on a 4-bytes boundary */
3665
3666 dmalen = (len + 3) & ~ 3;
3667
3668 memset((caddr_t) txwi + len, 0, dmalen - len);
3669
3670 qsel = RT2860_TXDESC_QSEL_EDCA;
3671
3672 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3673 desc->sdl0 = htole16(dmalen);
3674 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3675
3676 /* set up payload segments */
3677
3678 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3679 {
3680 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3681 desc->sdl1 = htole16(dma_seg[j].ds_len);
3682
3683 ring->desc_queued++;
3684 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3685
3686 j++;
3687
3688 desc = &ring->desc[ring->desc_cur];
3689
3690 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3691 desc->sdl0 = htole16(dma_seg[j].ds_len);
3692 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3693
3694 j++;
3695 }
3696
3697 /* finalize last payload segment */
3698
3699 if (i > 0)
3700 {
3701 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3702 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3703 }
3704 else
3705 {
3706 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3707 desc->sdl1 = 0;
3708 }
3709
3710 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3711 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3712 "bw=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3713 device_get_nameunit(sc->dev),
3714 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3715 bw, shortgi, mcs, dmalen, ndmasegs,
3716 dma_seg[0].ds_len, dma_seg[1].ds_len, dma_seg[2].ds_len, dma_seg[3].ds_len, dma_seg[4].ds_len);
3717
3718 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3719 BUS_DMASYNC_PREWRITE);
3720 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3721 BUS_DMASYNC_PREWRITE);
3722 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3723 BUS_DMASYNC_PREWRITE);
3724
3725 ring->desc_queued++;
3726 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3727
3728 ring->data_queued++;
3729 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3730
3731 /* kick Tx */
3732
3733 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3734
3735 return 0;
3736 }
3737
3738 /*
3739 * rt2860_tx_raw
3740 */
3741 static int rt2860_tx_raw(struct rt2860_softc *sc,
3742 struct mbuf *m, struct ieee80211_node *ni,
3743 const struct ieee80211_bpf_params *params)
3744 {
3745 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3746 "%s: Tx raw\n",
3747 device_get_nameunit(sc->dev));
3748
3749 return 0;
3750 }
3751
3752 /*
3753 * rt2860_intr
3754 */
3755 static void rt2860_intr(void *arg)
3756 {
3757 struct rt2860_softc *sc;
3758 struct ifnet *ifp;
3759 uint32_t status;
3760
3761 sc = arg;
3762 ifp = sc->ifp;
3763
3764 /* acknowledge interrupts */
3765
3766 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
3767 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
3768
3769 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3770 "%s: interrupt: status = 0x%08x\n",
3771 device_get_nameunit(sc->dev), status);
3772
3773 if (status == 0xffffffff || /* device likely went away */
3774 status == 0) /* not for us */
3775 return;
3776
3777 sc->interrupts++;
3778
3779 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3780 return;
3781
3782 if (status & RT2860_REG_INT_TX_COHERENT)
3783 rt2860_tx_coherent_intr(sc);
3784
3785 if (status & RT2860_REG_INT_RX_COHERENT)
3786 rt2860_rx_coherent_intr(sc);
3787
3788 if (status & RT2860_REG_INT_TXRX_COHERENT)
3789 rt2860_txrx_coherent_intr(sc);
3790
3791 if (status & RT2860_REG_INT_FIFO_STA_FULL)
3792 rt2860_fifo_sta_full_intr(sc);
3793
3794 if (status & RT2860_REG_INT_TX_MGMT_DONE)
3795 rt2860_tx_intr(sc, 5);
3796
3797 if (status & RT2860_REG_INT_RX_DONE)
3798 rt2860_rx_intr(sc);
3799
3800 if (status & RT2860_REG_INT_RX_DELAY_DONE)
3801 rt2860_rx_delay_intr(sc);
3802
3803 if (status & RT2860_REG_INT_TX_HCCA_DONE)
3804 rt2860_tx_intr(sc, 4);
3805
3806 if (status & RT2860_REG_INT_TX_AC3_DONE)
3807 rt2860_tx_intr(sc, 3);
3808
3809 if (status & RT2860_REG_INT_TX_AC2_DONE)
3810 rt2860_tx_intr(sc, 2);
3811
3812 if (status & RT2860_REG_INT_TX_AC1_DONE)
3813 rt2860_tx_intr(sc, 1);
3814
3815 if (status & RT2860_REG_INT_TX_AC0_DONE)
3816 rt2860_tx_intr(sc, 0);
3817
3818 if (status & RT2860_REG_INT_TX_DELAY_DONE)
3819 rt2860_tx_delay_intr(sc);
3820
3821 if (status & RT2860_REG_INT_PRE_TBTT)
3822 rt2860_pre_tbtt_intr(sc);
3823
3824 if (status & RT2860_REG_INT_TBTT)
3825 rt2860_tbtt_intr(sc);
3826
3827 if (status & RT2860_REG_INT_MCU_CMD)
3828 rt2860_mcu_cmd_intr(sc);
3829
3830 if (status & RT2860_REG_INT_AUTO_WAKEUP)
3831 rt2860_auto_wakeup_intr(sc);
3832
3833 if (status & RT2860_REG_INT_GP_TIMER)
3834 rt2860_gp_timer_intr(sc);
3835 }
3836
3837 /*
3838 * rt2860_tx_coherent_intr
3839 */
3840 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
3841 {
3842 uint32_t tmp;
3843 int i;
3844
3845 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3846 "%s: Tx coherent interrupt\n",
3847 device_get_nameunit(sc->dev));
3848
3849 sc->tx_coherent_interrupts++;
3850
3851 /* restart DMA engine */
3852
3853 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3854
3855 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3856 RT2860_REG_RX_DMA_ENABLE |
3857 RT2860_REG_TX_DMA_ENABLE);
3858
3859 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3860
3861 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3862
3863 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3864 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
3865
3866 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3867 {
3868 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
3869 sc->tx_ring[i].desc_phys_addr);
3870 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
3871 RT2860_SOFTC_TX_RING_DESC_COUNT);
3872 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
3873 }
3874
3875 /* init Rx ring */
3876
3877 rt2860_reset_rx_ring(sc, &sc->rx_ring);
3878
3879 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
3880 sc->rx_ring.desc_phys_addr);
3881 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
3882 RT2860_SOFTC_RX_RING_DATA_COUNT);
3883 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
3884 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
3885
3886 rt2860_txrx_enable(sc);
3887 }
3888
3889 /*
3890 * rt2860_rx_coherent_intr
3891 */
3892 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
3893 {
3894 uint32_t tmp;
3895 int i;
3896
3897 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3898 "%s: Rx coherent interrupt\n",
3899 device_get_nameunit(sc->dev));
3900
3901 sc->rx_coherent_interrupts++;
3902
3903 /* restart DMA engine */
3904
3905 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3906
3907 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3908 RT2860_REG_RX_DMA_ENABLE |
3909 RT2860_REG_TX_DMA_ENABLE);
3910
3911 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3912
3913 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3914
3915 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3916 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
3917
3918 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3919 {
3920 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
3921 sc->tx_ring[i].desc_phys_addr);
3922 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
3923 RT2860_SOFTC_TX_RING_DESC_COUNT);
3924 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
3925 }
3926
3927 /* init Rx ring */
3928
3929 rt2860_reset_rx_ring(sc, &sc->rx_ring);
3930
3931 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
3932 sc->rx_ring.desc_phys_addr);
3933 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
3934 RT2860_SOFTC_RX_RING_DATA_COUNT);
3935 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
3936 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
3937
3938 rt2860_txrx_enable(sc);
3939 }
3940
3941 /*
3942 * rt2860_txrx_coherent_intr
3943 */
3944 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
3945 {
3946 uint32_t tmp;
3947 int i;
3948
3949 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3950 "%s: Tx/Rx coherent interrupt\n",
3951 device_get_nameunit(sc->dev));
3952
3953 sc->txrx_coherent_interrupts++;
3954
3955 /* restart DMA engine */
3956
3957 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3958
3959 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3960 RT2860_REG_RX_DMA_ENABLE |
3961 RT2860_REG_TX_DMA_ENABLE);
3962
3963 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3964
3965 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3966
3967 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3968 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
3969
3970 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3971 {
3972 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
3973 sc->tx_ring[i].desc_phys_addr);
3974 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
3975 RT2860_SOFTC_TX_RING_DESC_COUNT);
3976 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
3977 }
3978
3979 /* init Rx ring */
3980
3981 rt2860_reset_rx_ring(sc, &sc->rx_ring);
3982
3983 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
3984 sc->rx_ring.desc_phys_addr);
3985 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
3986 RT2860_SOFTC_RX_RING_DATA_COUNT);
3987 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
3988 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
3989
3990 rt2860_txrx_enable(sc);
3991 }
3992
3993 /*
3994 * rt2860_fifo_sta_full_intr
3995 */
3996 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
3997 {
3998 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3999 "%s: FIFO statistic full interrupt\n",
4000 device_get_nameunit(sc->dev));
4001
4002 sc->fifo_sta_full_interrupts++;
4003
4004 RT2860_SOFTC_LOCK(sc);
4005
4006 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4007 {
4008 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4009
4010 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4011 }
4012
4013 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4014
4015 RT2860_SOFTC_UNLOCK(sc);
4016 }
4017
4018 /*
4019 * rt2860_rx_intr
4020 */
4021 static void rt2860_rx_intr(struct rt2860_softc *sc)
4022 {
4023 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4024 "%s: Rx interrupt\n",
4025 device_get_nameunit(sc->dev));
4026
4027 sc->rx_interrupts++;
4028
4029 RT2860_SOFTC_LOCK(sc);
4030
4031 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4032 {
4033 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4034
4035 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4036 }
4037
4038 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4039
4040 RT2860_SOFTC_UNLOCK(sc);
4041 }
4042
4043 /*
4044 * rt2860_rx_delay_intr
4045 */
4046 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4047 {
4048 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4049 "%s: Rx delay interrupt\n",
4050 device_get_nameunit(sc->dev));
4051
4052 sc->rx_delay_interrupts++;
4053 }
4054
4055 /*
4056 * rt2860_tx_intr
4057 */
4058 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4059 {
4060 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4061 ("%s: Tx interrupt: invalid qid=%d\n",
4062 device_get_nameunit(sc->dev), qid));
4063
4064 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4065 "%s: Tx interrupt: qid=%d\n",
4066 device_get_nameunit(sc->dev), qid);
4067
4068 sc->tx_interrupts[qid]++;
4069
4070 RT2860_SOFTC_LOCK(sc);
4071
4072 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4073 {
4074 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4075
4076 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4077 }
4078
4079 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4080
4081 RT2860_SOFTC_UNLOCK(sc);
4082 }
4083
4084 /*
4085 * rt2860_tx_delay_intr
4086 */
4087 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4088 {
4089 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4090 "%s: Tx delay interrupt\n",
4091 device_get_nameunit(sc->dev));
4092
4093 sc->tx_delay_interrupts++;
4094 }
4095
4096 /*
4097 * rt2860_pre_tbtt_intr
4098 */
4099 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4100 {
4101 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4102 "%s: Pre-TBTT interrupt\n",
4103 device_get_nameunit(sc->dev));
4104
4105 sc->pre_tbtt_interrupts++;
4106 }
4107
4108 /*
4109 * rt2860_tbtt_intr
4110 */
4111 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4112 {
4113 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4114 "%s: TBTT interrupt\n",
4115 device_get_nameunit(sc->dev));
4116
4117 sc->tbtt_interrupts++;
4118 }
4119
4120 /*
4121 * rt2860_mcu_cmd_intr
4122 */
4123 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4124 {
4125 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4126 "%s: MCU command interrupt\n",
4127 device_get_nameunit(sc->dev));
4128
4129 sc->mcu_cmd_interrupts++;
4130 }
4131
4132 /*
4133 * rt2860_auto_wakeup_intr
4134 */
4135 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4136 {
4137 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4138 "%s: auto wakeup interrupt\n",
4139 device_get_nameunit(sc->dev));
4140
4141 sc->auto_wakeup_interrupts++;
4142 }
4143
4144 /*
4145 * rt2860_gp_timer_intr
4146 */
4147 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4148 {
4149 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4150 "%s: GP timer interrupt\n",
4151 device_get_nameunit(sc->dev));
4152
4153 sc->gp_timer_interrupts++;
4154 }
4155
4156 /*
4157 * rt2860_rx_done_task
4158 */
4159 static void rt2860_rx_done_task(void *context, int pending)
4160 {
4161 struct rt2860_softc *sc;
4162 struct ifnet *ifp;
4163 int again;
4164
4165 sc = context;
4166 ifp = sc->ifp;
4167
4168 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4169 "%s: Rx done task\n",
4170 device_get_nameunit(sc->dev));
4171
4172 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4173 return;
4174
4175 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4176
4177 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4178
4179 RT2860_SOFTC_LOCK(sc);
4180
4181 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4182 {
4183 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4184 "%s: Rx done task: scheduling again\n",
4185 device_get_nameunit(sc->dev));
4186
4187 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4188 }
4189 else
4190 {
4191 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4192 }
4193
4194 RT2860_SOFTC_UNLOCK(sc);
4195 }
4196
4197 /*
4198 * rt2860_tx_done_task
4199 */
4200 static void rt2860_tx_done_task(void *context, int pending)
4201 {
4202 struct rt2860_softc *sc;
4203 struct ifnet *ifp;
4204 uint32_t intr_mask;
4205 int i;
4206
4207 sc = context;
4208 ifp = sc->ifp;
4209
4210 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4211 "%s: Tx done task\n",
4212 device_get_nameunit(sc->dev));
4213
4214 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4215 return;
4216
4217 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4218 RT2860_REG_INT_TX_HCCA_DONE |
4219 RT2860_REG_INT_TX_AC3_DONE |
4220 RT2860_REG_INT_TX_AC2_DONE |
4221 RT2860_REG_INT_TX_AC1_DONE |
4222 RT2860_REG_INT_TX_AC0_DONE);
4223
4224 sc->intr_pending_mask &= ~intr_mask;
4225
4226 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4227 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4228
4229 sc->tx_timer = 0;
4230
4231 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4232
4233 RT2860_SOFTC_LOCK(sc);
4234
4235 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4236 (sc->intr_disable_mask & intr_mask));
4237
4238 if (sc->intr_pending_mask & intr_mask)
4239 {
4240 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4241 "%s: Tx done task: scheduling again\n",
4242 device_get_nameunit(sc->dev));
4243
4244 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4245 }
4246
4247 RT2860_SOFTC_UNLOCK(sc);
4248 }
4249
4250 /*
4251 * rt2860_fifo_sta_full_task
4252 */
4253 static void rt2860_fifo_sta_full_task(void *context, int pending)
4254 {
4255 struct rt2860_softc *sc;
4256 struct ifnet *ifp;
4257
4258 sc = context;
4259 ifp = sc->ifp;
4260
4261 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4262 "%s: FIFO statistic full task\n",
4263 device_get_nameunit(sc->dev));
4264
4265 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4266 return;
4267
4268 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4269
4270 rt2860_drain_fifo_stats(sc);
4271
4272 RT2860_SOFTC_LOCK(sc);
4273
4274 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4275 {
4276 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4277 "%s: FIFO statistic full task: scheduling again\n",
4278 device_get_nameunit(sc->dev));
4279
4280 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4281 }
4282 else
4283 {
4284 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4285 }
4286
4287 RT2860_SOFTC_UNLOCK(sc);
4288 }
4289
4290 /*
4291 * rt2860_periodic_task
4292 */
4293 static void rt2860_periodic_task(void *context, int pending)
4294 {
4295 struct rt2860_softc *sc;
4296 struct ifnet *ifp;
4297 struct ieee80211com *ic;
4298
4299 sc = context;
4300 ifp = sc->ifp;
4301 ic = &sc->ic;
4302
4303 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4304 "%s: periodic task: round=%lu\n",
4305 device_get_nameunit(sc->dev), sc->periodic_round);
4306
4307 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4308 return;
4309
4310 RT2860_SOFTC_LOCK(sc);
4311
4312 sc->periodic_round++;
4313
4314 rt2860_update_stats(sc);
4315
4316 if ((sc->periodic_round % 10) == 0)
4317 {
4318 rt2860_update_raw_counters(sc);
4319
4320 rt2860_watchdog(sc);
4321
4322 if (ic->ic_opmode == IEEE80211_M_STA)
4323 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4324 else
4325 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4326 }
4327
4328 RT2860_SOFTC_UNLOCK(sc);
4329
4330 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4331 }
4332
4333 /*
4334 * rt2860_rx_eof
4335 */
4336 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4337 {
4338 struct ieee80211com *ic;
4339 struct ifnet *ifp;
4340 struct ieee80211_frame *wh;
4341 struct ieee80211_node *ni;
4342 struct rt2860_softc_rx_radiotap_header *tap;
4343 struct rt2860_softc_rx_ring *ring;
4344 struct rt2860_rxdesc *desc;
4345 struct rt2860_softc_rx_data *data;
4346 struct rt2860_rxwi *rxwi;
4347 struct mbuf *m, *mnew;
4348 uint32_t index, desc_flags, phys_addr;
4349 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4350 int8_t rssi_dbm;
4351 int error, len, ampdu, amsdu, nframes;
4352
4353 ic = &sc->ic;
4354 ifp = sc->ifp;
4355 ring = &sc->rx_ring;
4356
4357 nframes = 0;
4358
4359 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4360 BUS_DMASYNC_POSTREAD);
4361
4362 while (limit != 0)
4363 {
4364 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4365 if (ring->cur == index)
4366 break;
4367
4368 desc = &ring->desc[ring->cur];
4369 desc_flags = le32toh(desc->flags);
4370 data = &ring->data[ring->cur];
4371
4372 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4373 break;
4374
4375 nframes++;
4376
4377 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES);
4378 if (mnew == NULL)
4379 {
4380 ifp->if_ierrors++;
4381 goto skip;
4382 }
4383
4384 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4385 BUS_DMASYNC_POSTREAD);
4386 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4387
4388 error = bus_dmamap_load(ring->data_dma_tag, data->dma_map,
4389 mtod(mnew, void *), MJUM9BYTES,
4390 rt2860_dma_map_addr, &phys_addr, 0);
4391 if (error != 0)
4392 {
4393 m_freem(mnew);
4394
4395 error = bus_dmamap_load(ring->data_dma_tag, data->dma_map,
4396 mtod(data->m, void *), MJUM9BYTES,
4397 rt2860_dma_map_addr, &phys_addr, 0);
4398 if (error != 0)
4399 {
4400 panic("%s: could not load old Rx mbuf\n",
4401 device_get_name(sc->dev));
4402 }
4403
4404 ifp->if_ierrors++;
4405
4406 goto skip;
4407 }
4408
4409 m = data->m;
4410
4411 data->m = mnew;
4412 desc->sdp0 = htole32(phys_addr);
4413
4414 /* get Rx wireless info */
4415
4416 rxwi = mtod(m, struct rt2860_rxwi *);
4417 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4418 RT2860_RXWI_SIZE_MASK;
4419
4420 /* check for L2 padding between IEEE 802.11 frame header and body */
4421
4422 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4423 {
4424 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4425 "%s: L2 padding: len=%d\n",
4426 device_get_nameunit(sc->dev), len);
4427
4428 len += 2;
4429 }
4430
4431 m->m_pkthdr.rcvif = ifp;
4432 m->m_data = (caddr_t) (rxwi + 1);
4433 m->m_pkthdr.len = m->m_len = len;
4434
4435 /* check for crc errors */
4436
4437 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4438 {
4439 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4440 "%s: rxdesc: crc error\n",
4441 device_get_nameunit(sc->dev));
4442
4443 ifp->if_ierrors++;
4444
4445 if (!(ifp->if_flags & IFF_PROMISC))
4446 {
4447 m_freem(m);
4448 goto skip;
4449 }
4450 }
4451
4452 wh = (struct ieee80211_frame *) (rxwi + 1);
4453
4454 /* check for cipher errors */
4455
4456 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4457 {
4458 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4459 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4460 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4461 {
4462 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4463 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4464
4465 m->m_flags |= M_WEP;
4466 }
4467 else
4468 {
4469 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4470 "%s: rxdesc: cipher error=0x%02x\n",
4471 device_get_nameunit(sc->dev), cipher_err);
4472
4473 ifp->if_ierrors++;
4474
4475 if (!(ifp->if_flags & IFF_PROMISC))
4476 {
4477 m_free(m);
4478 goto skip;
4479 }
4480 }
4481 }
4482 else
4483 {
4484 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4485 {
4486 ifp->if_ierrors++;
4487
4488 if (!(ifp->if_flags & IFF_PROMISC))
4489 {
4490 m_free(m);
4491 goto skip;
4492 }
4493 }
4494 }
4495
4496 /* check for A-MPDU */
4497
4498 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4499 {
4500 m->m_flags |= M_AMPDU;
4501 ampdu = 1;
4502 }
4503 else
4504 {
4505 ampdu = 0;
4506 }
4507
4508 ant = rt2860_maxrssi_rxpath(sc, rxwi);
4509 rssi = rxwi->rssi[ant];
4510 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
4511 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4512 RT2860_RXWI_PHYMODE_MASK);
4513 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
4514 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
4515 RT2860_RXWI_SHORTGI_MASK);
4516 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
4517 amsdu = (desc_flags & RT2860_RXDESC_FLAGS_AMSDU);
4518
4519 if (bpf_peers_present(sc->drvbpf))
4520 {
4521 tap = &sc->rxtap;
4522
4523 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4524 tap->dbm_antsignal = rssi_dbm;
4525 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
4526 tap->antenna = ant;
4527 tap->antsignal = rssi;
4528 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4529 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4530 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4531 tap->chan_maxpow = 0;
4532
4533 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
4534 tap->rate = mcs | IEEE80211_RATE_MCS;
4535 else
4536 tap->rate = rt2860_rxrate(rxwi);
4537
4538 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
4539 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4540
4541 if (shortgi)
4542 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4543
4544 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4545 }
4546
4547 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4548 "%s: received frame: phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4549 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4550 device_get_nameunit(sc->dev),
4551 phymode, bw, shortgi, mcs,
4552 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4553 rxwi->snr[0], rxwi->snr[1],
4554 rxwi->wcid, ampdu, amsdu);
4555
4556 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4557
4558 ieee80211_input(ic, m, ni, rssi_dbm - RT2860_NOISE_FLOOR, RT2860_NOISE_FLOOR, 0);
4559
4560 ieee80211_free_node(ni);
4561
4562 skip:
4563
4564 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
4565
4566 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4567 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4568
4569 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
4570
4571 limit--;
4572 }
4573
4574 if (ring->cur == 0)
4575 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4576 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4577 else
4578 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4579 ring->cur - 1);
4580
4581 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4582 "%s: Rx eof: nframes=%d\n",
4583 device_get_nameunit(sc->dev), nframes);
4584
4585 sc->rx_packets += nframes;
4586
4587 return (limit == 0);
4588 }
4589
4590 /*
4591 * rt2860_tx_eof
4592 */
4593 static void rt2860_tx_eof(struct rt2860_softc *sc,
4594 struct rt2860_softc_tx_ring *ring)
4595 {
4596 struct ifnet *ifp;
4597 struct rt2860_txdesc *desc;
4598 struct rt2860_softc_tx_data *data;
4599 uint32_t index;
4600 int ndescs, nframes;
4601
4602 ifp = sc->ifp;
4603
4604 ndescs = 0;
4605 nframes = 0;
4606
4607 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4608 BUS_DMASYNC_POSTREAD);
4609
4610 for (;;)
4611 {
4612 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
4613 if (ring->desc_next == index)
4614 break;
4615
4616 ndescs++;
4617
4618 rt2860_drain_fifo_stats(sc);
4619
4620 desc = &ring->desc[ring->desc_next];
4621
4622 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
4623 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
4624 {
4625 nframes++;
4626
4627 data = &ring->data[ring->data_next];
4628
4629 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4630 BUS_DMASYNC_POSTWRITE);
4631 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4632
4633 if (data->m->m_flags & M_TXCB)
4634 ieee80211_process_callback(data->ni, data->m, 0);
4635
4636 m_freem(data->m);
4637
4638 ieee80211_free_node(data->ni);
4639
4640 data->m = NULL;
4641 data->ni = NULL;
4642
4643 ifp->if_opackets++;
4644
4645 ring->data_queued--;
4646 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4647 }
4648
4649 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
4650
4651 ring->desc_queued--;
4652 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4653 }
4654
4655 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4656 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4657
4658 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4659 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
4660 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
4661 }
4662
4663 /*
4664 * rt2860_update_stats
4665 */
4666 static void rt2860_update_stats(struct rt2860_softc *sc)
4667 {
4668 struct ifnet *ifp;
4669 struct ieee80211com *ic;
4670 struct ieee80211_node *ni;
4671 uint16_t associd;
4672 uint8_t wcid;
4673 uint32_t stacnt[3];
4674 int txcnt, retrycnt, failcnt;
4675
4676 ifp = sc->ifp;
4677 ic = &sc->ic;
4678
4679 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4680 "%s: update statistic\n",
4681 device_get_nameunit(sc->dev));
4682
4683 rt2860_drain_fifo_stats(sc);
4684
4685 if (ic->ic_opmode == IEEE80211_M_STA)
4686 {
4687 ni = ic->ic_bss;
4688
4689 associd = (ni != NULL) ? ni->ni_associd : 0;
4690 wcid = RT2860_AID2WCID(associd);
4691
4692 /* read and clear Tx statistic registers */
4693
4694 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
4695 stacnt, sizeof(stacnt));
4696
4697 txcnt = le32toh(stacnt[1]) & 0xffff;
4698 retrycnt = le32toh(stacnt[1]) >> 16;
4699 failcnt = le32toh(stacnt[0]) & 0xffff;
4700
4701 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4702 "%s: update statistic: associd=0x%04x, txcnt=%d, retrycnt=%d, failcnt=%d\n",
4703 device_get_nameunit(sc->dev),
4704 associd, txcnt, retrycnt, failcnt);
4705
4706 ifp->if_oerrors += failcnt;
4707
4708 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
4709 txcnt + retrycnt + failcnt, txcnt + retrycnt, retrycnt + failcnt);
4710 }
4711 }
4712
4713 /*
4714 * rt2860_watchdog
4715 */
4716 static void rt2860_watchdog(struct rt2860_softc *sc)
4717 {
4718 uint32_t tmp;
4719 int ntries;
4720
4721 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4722
4723 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
4724 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4725 device_get_nameunit(sc->dev), tmp);
4726
4727 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
4728 {
4729 sc->tx_queue_not_empty[0]++;
4730
4731 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
4732
4733 for (ntries = 0; ntries < 10; ntries++)
4734 {
4735 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4736 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
4737 break;
4738
4739 DELAY(1);
4740 }
4741
4742 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4743 }
4744
4745 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
4746 {
4747 sc->tx_queue_not_empty[1]++;
4748
4749 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
4750
4751 for (ntries = 0; ntries < 10; ntries++)
4752 {
4753 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4754 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
4755 break;
4756
4757 DELAY(1);
4758 }
4759
4760 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4761 }
4762 }
4763
4764 /*
4765 * rt2860_drain_fifo_stats
4766 */
4767 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
4768 {
4769 struct ifnet *ifp;
4770 uint32_t stats;
4771 uint8_t wcid, mcs, pid;
4772 int ok, retrycnt;
4773
4774 ifp = sc->ic.ic_ifp;
4775
4776 /* drain Tx status FIFO (maxsize = 16) */
4777
4778 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
4779 RT2860_REG_TX_STA_FIFO_VALID)
4780 {
4781 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
4782 RT2860_REG_TX_STA_FIFO_WCID_MASK;
4783
4784 /* if no ACK was requested, no feedback is available */
4785
4786 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4787 continue;
4788
4789 /* update AMRR statistic */
4790
4791 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4792 retrycnt = 0;
4793
4794 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
4795 RT2860_REG_TX_STA_FIFO_MCS_MASK;
4796 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
4797 RT2860_REG_TX_STA_FIFO_PID_MASK;
4798
4799 if (!ok || (mcs + 1) != pid)
4800 retrycnt++;
4801
4802 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
4803
4804 if (!ok)
4805 ifp->if_oerrors++;
4806 }
4807 }
4808
4809 /*
4810 * rt2860_update_raw_counters
4811 */
4812 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
4813 {
4814 uint32_t tmp;
4815
4816 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
4817
4818 sc->rx_crc_errors += tmp & 0xffff;
4819 sc->rx_phy_errors += tmp >> 16;
4820
4821 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
4822
4823 sc->rx_false_ccas += tmp & 0xffff;
4824 sc->rx_plcp_errors += tmp >> 16;
4825
4826 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
4827
4828 sc->rx_dup_packets += tmp & 0xffff;
4829 sc->rx_fifo_overflows += tmp >> 16;
4830 }
4831
4832 /*
4833 * rt2860_intr_enable
4834 */
4835 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
4836 {
4837 uint32_t tmp;
4838
4839 sc->intr_disable_mask &= ~intr_mask;
4840
4841 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
4842
4843 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
4844 }
4845
4846 /*
4847 * rt2860_intr_disable
4848 */
4849 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
4850 {
4851 uint32_t tmp;
4852
4853 sc->intr_disable_mask |= intr_mask;
4854
4855 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
4856
4857 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
4858 }
4859
4860 /*
4861 * rt2860_txrx_enable
4862 */
4863 static int rt2860_txrx_enable(struct rt2860_softc *sc)
4864 {
4865 struct ieee80211com *ic;
4866 struct ifnet *ifp;
4867 uint32_t tmp;
4868 int ntries;
4869
4870 ic = &sc->ic;
4871 ifp = ic->ic_ifp;
4872
4873 /* enable Tx/Rx DMA engine */
4874
4875 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
4876
4877 for (ntries = 0; ntries < 200; ntries++)
4878 {
4879 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4880 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
4881 break;
4882
4883 DELAY(1000);
4884 }
4885
4886 if (ntries == 200)
4887 {
4888 printf("%s: timeout waiting for DMA engine\n",
4889 device_get_nameunit(sc->dev));
4890 return -1;
4891 }
4892
4893 DELAY(50);
4894
4895 tmp |= RT2860_REG_TX_WB_DDONE |
4896 RT2860_REG_RX_DMA_ENABLE |
4897 RT2860_REG_TX_DMA_ENABLE |
4898 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
4899
4900 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4901
4902 /* set Rx filter */
4903
4904 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
4905 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
4906
4907 if (ic->ic_opmode != IEEE80211_M_MONITOR)
4908 {
4909 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
4910 RT2860_REG_RX_FILTER_DROP_CTS |
4911 RT2860_REG_RX_FILTER_DROP_BA |
4912 RT2860_REG_RX_FILTER_DROP_ACK |
4913 RT2860_REG_RX_FILTER_DROP_VER_ERR |
4914 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
4915 RT2860_REG_RX_FILTER_DROP_CFACK |
4916 RT2860_REG_RX_FILTER_DROP_CFEND;
4917
4918 if (ic->ic_opmode == IEEE80211_M_STA)
4919 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
4920 RT2860_REG_RX_FILTER_DROP_PSPOLL;
4921
4922 if (!(ifp->if_flags & IFF_PROMISC))
4923 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
4924 }
4925
4926 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
4927
4928 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
4929 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
4930
4931 return 0;
4932 }
4933
4934 /*
4935 * rt2860_alloc_rx_ring
4936 */
4937 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
4938 struct rt2860_softc_rx_ring *ring)
4939 {
4940 struct rt2860_rxdesc *desc;
4941 struct rt2860_softc_rx_data *data;
4942 bus_addr_t phys_addr;
4943 int i, error;
4944
4945 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
4946 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
4947 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
4948 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
4949 0, NULL, NULL, &ring->desc_dma_tag);
4950 if (error != 0)
4951 {
4952 printf("%s: could not create Rx desc DMA tag\n",
4953 device_get_nameunit(sc->dev));
4954 goto fail;
4955 }
4956
4957 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
4958 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
4959 if (error != 0)
4960 {
4961 printf("%s: could not allocate Rx desc DMA memory\n",
4962 device_get_nameunit(sc->dev));
4963 goto fail;
4964 }
4965
4966 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
4967 ring->desc,
4968 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
4969 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
4970 if (error != 0)
4971 {
4972 printf("%s: could not load Rx desc DMA map\n",
4973 device_get_nameunit(sc->dev));
4974 goto fail;
4975 }
4976
4977 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 1, 0,
4978 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
4979 MJUM9BYTES, 1, MJUM9BYTES, 0, NULL, NULL,
4980 &ring->data_dma_tag);
4981 if (error != 0)
4982 {
4983 printf("%s: could not create Rx data DMA tag\n",
4984 device_get_nameunit(sc->dev));
4985 goto fail;
4986 }
4987
4988 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
4989 {
4990 desc = &ring->desc[i];
4991 data = &ring->data[i];
4992
4993 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
4994 if (error != 0)
4995 {
4996 printf("%s: could not create Rx data DMA map\n",
4997 device_get_nameunit(sc->dev));
4998 goto fail;
4999 }
5000
5001 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES);
5002 if (data->m == NULL)
5003 {
5004 printf("%s: could not allocate Rx mbuf\n",
5005 device_get_nameunit(sc->dev));
5006 error = ENOMEM;
5007 goto fail;
5008 }
5009
5010 error = bus_dmamap_load(ring->data_dma_tag, data->dma_map,
5011 mtod(data->m, void *), MJUM9BYTES,
5012 rt2860_dma_map_addr, &phys_addr, 0);
5013 if (error != 0)
5014 {
5015 printf("%s: could not load Rx mbuf DMA map\n",
5016 device_get_nameunit(sc->dev));
5017 goto fail;
5018 }
5019
5020 desc->sdp0 = htole32(phys_addr);
5021 desc->sdl0 = htole16(MJUM9BYTES);
5022 }
5023
5024 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5025 BUS_DMASYNC_PREWRITE);
5026
5027 return 0;
5028
5029 fail:
5030
5031 rt2860_free_rx_ring(sc, ring);
5032
5033 return error;
5034 }
5035
5036 /*
5037 * rt2860_reset_rx_ring
5038 */
5039 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5040 struct rt2860_softc_rx_ring *ring)
5041 {
5042 struct rt2860_rxdesc *desc;
5043 int i;
5044
5045 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5046 {
5047 desc = &ring->desc[i];
5048
5049 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5050 }
5051
5052 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5053 BUS_DMASYNC_PREWRITE);
5054
5055 ring->cur = 0;
5056 }
5057
5058 /*
5059 * rt2860_free_rx_ring
5060 */
5061 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5062 struct rt2860_softc_rx_ring *ring)
5063 {
5064 struct rt2860_softc_rx_data *data;
5065 int i;
5066
5067 if (ring->desc != NULL)
5068 {
5069 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5070 BUS_DMASYNC_POSTWRITE);
5071 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5072 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5073 ring->desc_dma_map);
5074 }
5075
5076 if (ring->desc_dma_tag != NULL)
5077 bus_dma_tag_destroy(ring->desc_dma_tag);
5078
5079 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5080 {
5081 data = &ring->data[i];
5082
5083 if (data->m != NULL)
5084 {
5085 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5086 BUS_DMASYNC_POSTREAD);
5087 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5088 m_freem(data->m);
5089 }
5090
5091 if (data->dma_map != NULL)
5092 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5093 }
5094
5095 if (ring->data_dma_tag != NULL)
5096 bus_dma_tag_destroy(ring->data_dma_tag);
5097 }
5098
5099 /*
5100 * rt2860_alloc_tx_ring
5101 */
5102 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5103 struct rt2860_softc_tx_ring *ring, int qid)
5104 {
5105 struct rt2860_softc_tx_data *data;
5106 int error, i;
5107
5108 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5109 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5110 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5111 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5112 0, NULL, NULL, &ring->desc_dma_tag);
5113 if (error != 0)
5114 {
5115 printf("%s: could not create Tx desc DMA tag\n",
5116 device_get_nameunit(sc->dev));
5117 goto fail;
5118 }
5119
5120 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5121 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5122 if (error != 0)
5123 {
5124 printf("%s: could not allocate Tx desc DMA memory\n",
5125 device_get_nameunit(sc->dev));
5126 goto fail;
5127 }
5128
5129 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5130 ring->desc,
5131 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5132 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5133 if (error != 0)
5134 {
5135 printf("%s: could not load Tx desc DMA map\n",
5136 device_get_nameunit(sc->dev));
5137 goto fail;
5138 }
5139
5140 ring->desc_queued = 0;
5141 ring->desc_cur = 0;
5142 ring->desc_next = 0;
5143
5144 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5145 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5146 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5147 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5148 0, NULL, NULL, &ring->seg0_dma_tag);
5149 if (error != 0)
5150 {
5151 printf("%s: could not create Tx seg0 DMA tag\n",
5152 device_get_nameunit(sc->dev));
5153 goto fail;
5154 }
5155
5156 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5157 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5158 if (error != 0)
5159 {
5160 printf("%s: could not allocate Tx seg0 DMA memory\n",
5161 device_get_nameunit(sc->dev));
5162 goto fail;
5163 }
5164
5165 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5166 ring->seg0,
5167 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5168 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5169 if (error != 0)
5170 {
5171 printf("%s: could not load Tx seg0 DMA map\n",
5172 device_get_nameunit(sc->dev));
5173 goto fail;
5174 }
5175
5176 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 1, 0,
5177 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5178 MJUM9BYTES, RT2860_SOFTC_MAX_SCATTER, MJUM9BYTES, 0, NULL, NULL,
5179 &ring->data_dma_tag);
5180 if (error != 0)
5181 {
5182 printf("%s: could not create Tx data DMA tag\n",
5183 device_get_nameunit(sc->dev));
5184 goto fail;
5185 }
5186
5187 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5188 {
5189 data = &ring->data[i];
5190
5191 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5192 if (error != 0)
5193 {
5194 printf("%s: could not create Tx data DMA map\n",
5195 device_get_nameunit(sc->dev));
5196 goto fail;
5197 }
5198 }
5199
5200 ring->data_queued = 0;
5201 ring->data_cur = 0;
5202 ring->data_next = 0;
5203
5204 ring->qid = qid;
5205
5206 return 0;
5207
5208 fail:
5209
5210 rt2860_free_tx_ring(sc, ring);
5211
5212 return error;
5213 }
5214
5215 /*
5216 * rt2860_reset_tx_ring
5217 */
5218 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5219 struct rt2860_softc_tx_ring *ring)
5220 {
5221 struct rt2860_softc_tx_data *data;
5222 struct rt2860_txdesc *desc;
5223 int i;
5224
5225 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5226 {
5227 desc = &ring->desc[i];
5228
5229 desc->sdl0 = 0;
5230 desc->sdl1 = 0;
5231 }
5232
5233 ring->desc_queued = 0;
5234 ring->desc_cur = 0;
5235 ring->desc_next = 0;
5236
5237 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5238 BUS_DMASYNC_PREWRITE);
5239
5240 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5241 BUS_DMASYNC_PREWRITE);
5242
5243 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5244 {
5245 data = &ring->data[i];
5246
5247 if (data->m != NULL)
5248 {
5249 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5250 BUS_DMASYNC_POSTWRITE);
5251 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5252 m_freem(data->m);
5253 data->m = NULL;
5254 }
5255
5256 if (data->ni != NULL)
5257 {
5258 ieee80211_free_node(data->ni);
5259 data->ni = NULL;
5260 }
5261 }
5262
5263 ring->data_queued = 0;
5264 ring->data_cur = 0;
5265 ring->data_next = 0;
5266 }
5267
5268 /*
5269 * rt2860_free_tx_ring
5270 */
5271 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5272 struct rt2860_softc_tx_ring *ring)
5273 {
5274 struct rt2860_softc_tx_data *data;
5275 int i;
5276
5277 if (ring->desc != NULL)
5278 {
5279 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5280 BUS_DMASYNC_POSTWRITE);
5281 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5282 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5283 ring->desc_dma_map);
5284 }
5285
5286 if (ring->desc_dma_tag != NULL)
5287 bus_dma_tag_destroy(ring->desc_dma_tag);
5288
5289 if (ring->seg0 != NULL)
5290 {
5291 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5292 BUS_DMASYNC_POSTWRITE);
5293 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5294 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5295 ring->seg0_dma_map);
5296 }
5297
5298 if (ring->seg0_dma_tag != NULL)
5299 bus_dma_tag_destroy(ring->seg0_dma_tag);
5300
5301 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5302 {
5303 data = &ring->data[i];
5304
5305 if (data->m != NULL)
5306 {
5307 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5308 BUS_DMASYNC_POSTWRITE);
5309 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5310 m_freem(data->m);
5311 }
5312
5313 if (data->ni != NULL)
5314 ieee80211_free_node(data->ni);
5315
5316 if (data->dma_map != NULL)
5317 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5318 }
5319
5320 if (ring->data_dma_tag != NULL)
5321 bus_dma_tag_destroy(ring->data_dma_tag);
5322 }
5323
5324 /*
5325 * rt2860_dma_map_addr
5326 */
5327 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5328 int nseg, int error)
5329 {
5330 if (error != 0)
5331 return;
5332
5333 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5334
5335 *(bus_addr_t *) arg = segs[0].ds_addr;
5336 }
5337
5338 /*
5339 * rt2860_sysctl_attach
5340 */
5341 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5342 {
5343 struct sysctl_ctx_list *ctx;
5344 struct sysctl_oid *tree;
5345 struct sysctl_oid *stats;
5346
5347 ctx = device_get_sysctl_ctx(sc->dev);
5348 tree = device_get_sysctl_tree(sc->dev);
5349
5350 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5351 "stats", CTLFLAG_RD, 0, "statistic");
5352
5353 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5354 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5355 "all interrupts");
5356
5357 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5358 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5359 "Tx coherent interrupts");
5360
5361 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5362 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5363 "Rx coherent interrupts");
5364
5365 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5366 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5367 "Tx/Rx coherent interrupts");
5368
5369 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5370 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5371 "FIFO statistic full interrupts");
5372
5373 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5374 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5375 "Rx interrupts");
5376
5377 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5378 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5379 "Rx delay interrupts");
5380
5381 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5382 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5383 "Tx MGMT interrupts");
5384
5385 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5386 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5387 "Tx HCCA interrupts");
5388
5389 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5390 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5391 "Tx AC3 interrupts");
5392
5393 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5394 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5395 "Tx AC2 interrupts");
5396
5397 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5398 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5399 "Tx AC1 interrupts");
5400
5401 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5402 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5403 "Tx AC0 interrupts");
5404
5405 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5406 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5407 "Tx delay interrupts");
5408
5409 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5410 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5411 "Pre-TBTT interrupts");
5412
5413 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5414 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5415 "TBTT interrupts");
5416
5417 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5418 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5419 "MCU command interrupts");
5420
5421 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5422 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5423 "auto wakeup interrupts");
5424
5425 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5426 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5427 "GP timer interrupts");
5428
5429 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5430 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5431 "Tx MGMT descriptors queued");
5432
5433 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5434 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5435 "Tx MGMT data queued");
5436
5437 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5438 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5439 "Tx HCCA descriptors queued");
5440
5441 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5442 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5443 "Tx HCCA data queued");
5444
5445 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5446 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5447 "Tx AC3 descriptors queued");
5448
5449 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5450 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5451 "Tx AC3 data queued");
5452
5453 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5454 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5455 "Tx AC2 descriptors queued");
5456
5457 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5458 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5459 "Tx AC2 data queued");
5460
5461 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5462 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5463 "Tx AC1 descriptors queued");
5464
5465 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5466 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5467 "Tx AC1 data queued");
5468
5469 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5470 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5471 "Tx AC0 descriptors queued");
5472
5473 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5474 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5475 "Tx AC0 data queued");
5476
5477 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5478 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5479 "Tx watchdog timeouts");
5480
5481 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5482 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
5483 "Tx defragmented packets");
5484
5485 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5486 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
5487 "no Tx descriptors available");
5488
5489 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5490 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5491 "Tx queue 0 not empty");
5492
5493 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5494 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5495 "Tx queue 1 not empty");
5496
5497 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5498 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5499 "Rx packets");
5500
5501 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5502 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5503 "Rx CRC errors");
5504
5505 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5506 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5507 "Rx PHY errors");
5508
5509 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5510 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5511 "Rx false CCAs");
5512
5513 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5514 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5515 "Rx PLCP errors");
5516
5517 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5518 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5519 "Rx duplicate packets");
5520
5521 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5522 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5523 "Rx FIFO overflows");
5524 }
5525
5526 static device_method_t rt2860_dev_methods[] =
5527 {
5528 DEVMETHOD(device_probe, rt2860_probe),
5529 DEVMETHOD(device_attach, rt2860_attach),
5530 DEVMETHOD(device_detach, rt2860_detach),
5531 DEVMETHOD(device_shutdown, rt2860_shutdown),
5532 DEVMETHOD(device_suspend, rt2860_suspend),
5533 DEVMETHOD(device_resume, rt2860_resume),
5534 { 0, 0 }
5535 };
5536
5537 static driver_t rt2860_driver =
5538 {
5539 "rt2860",
5540 rt2860_dev_methods,
5541 sizeof(struct rt2860_softc)
5542 };
5543
5544 static devclass_t rt2860_dev_class;
5545
5546 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
5547
5548 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
5549 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860