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Bug fixed in AMRR
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blob5585874d1f61f2d1f358b4c9da9131ad648b8cc3
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 SYSCTL_DECL(_hw_rt2860);
366
367 #ifdef RT2860_DEBUG
368 static int rt2860_debug = 0;
369 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
370 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
371 #endif
372
373 /*
374 * rt2860_probe
375 */
376 static int rt2860_probe(device_t dev)
377 {
378 const struct rt2860_pci_ident *ident;
379
380 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
381 {
382 if (pci_get_vendor(dev) == ident->vendor &&
383 pci_get_device(dev) == ident->device)
384 {
385 device_set_desc(dev, ident->name);
386 return 0;
387 }
388 }
389
390 return ENXIO;
391 }
392
393 /*
394 * rt2860_attach
395 */
396 static int rt2860_attach(device_t dev)
397 {
398 struct rt2860_softc *sc;
399 struct ifnet *ifp;
400 struct ieee80211com *ic;
401 int error, ntries, i;
402
403 sc = device_get_softc(dev);
404
405 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
406 {
407 printf("%s: chip is in D%d power mode, setting to D0\n",
408 device_get_nameunit(dev), pci_get_powerstate(dev));
409 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
410 }
411
412 /* enable bus-mastering */
413
414 pci_enable_busmaster(dev);
415
416 sc->dev = dev;
417
418 mtx_init(&sc->lock, device_get_nameunit(dev),
419 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
420
421 sc->mem_rid = PCIR_BAR(0);
422 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
423 &sc->mem_rid, RF_ACTIVE);
424 if (sc->mem == NULL)
425 {
426 printf("%s: could not allocate memory resource\n",
427 device_get_nameunit(dev));
428 error = ENXIO;
429 goto fail;
430 }
431
432 sc->bst = rman_get_bustag(sc->mem);
433 sc->bsh = rman_get_bushandle(sc->mem);
434
435 sc->irq_rid = 0;
436 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
437 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
438 if (sc->irq == NULL)
439 {
440 printf("%s: could not allocate interrupt resource\n",
441 device_get_nameunit(dev));
442 error = ENXIO;
443 goto fail;
444 }
445
446 #ifdef RT2860_DEBUG
447 sc->debug = rt2860_debug;
448
449 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
450 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
451 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
452 #endif
453
454 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
455 "%s: attaching\n",
456 device_get_nameunit(sc->dev));
457
458 /* wait for NIC to initialize */
459
460 for (ntries = 0; ntries < 100; ntries++)
461 {
462 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
463 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
464 break;
465
466 DELAY(10);
467 }
468
469 if (ntries == 100)
470 {
471 printf("%s: timeout waiting for NIC to initialize\n",
472 device_get_nameunit(dev));
473 error = EIO;
474 goto fail;
475 }
476
477 rt2860_read_eeprom(sc);
478
479 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
480 device_get_nameunit(sc->dev), sc->mac_rev,
481 rt2860_rf_name(sc->rf_rev));
482
483 /* allocate Tx and Rx rings */
484
485 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
486 {
487 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
488 if (error != 0)
489 {
490 printf("%s: could not allocate Tx ring #%d\n",
491 device_get_nameunit(sc->dev), i);
492 goto fail;
493 }
494 }
495
496 sc->tx_ring_mgtqid = 5;
497
498 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
499 if (error != 0)
500 {
501 printf("%s: could not allocate Rx ring\n",
502 device_get_nameunit(sc->dev));
503 goto fail;
504 }
505
506 callout_init(&sc->periodic_ch, 0);
507 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
508
509 ifp = sc->ifp = if_alloc(IFT_ETHER);
510 if (ifp == NULL)
511 {
512 printf("%s: could not if_alloc()\n",
513 device_get_nameunit(sc->dev));
514 error = ENOMEM;
515 goto fail;
516 }
517
518 ifp->if_softc = sc;
519
520 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
521
522 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
523
524 ifp->if_init = rt2860_init;
525 ifp->if_ioctl = rt2860_ioctl;
526 ifp->if_start = rt2860_start;
527
528 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
529 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
530 IFQ_SET_READY(&ifp->if_snd);
531
532 ic = &sc->ic;
533
534 ic->ic_ifp = ifp;
535
536 ic->ic_phytype = IEEE80211_T_HT;
537 ic->ic_opmode = IEEE80211_M_STA;
538 ic->ic_state = IEEE80211_S_INIT;
539
540 ic->ic_caps = IEEE80211_C_MONITOR |
541 IEEE80211_C_IBSS |
542 IEEE80211_C_AHDEMO |
543 IEEE80211_C_HOSTAP |
544 IEEE80211_C_WDS |
545 /* IEEE80211_C_BGSCAN | */
546 IEEE80211_C_TXPMGT |
547 IEEE80211_C_SHPREAMBLE |
548 IEEE80211_C_SHSLOT |
549 IEEE80211_C_TXFRAG |
550 IEEE80211_C_BURST |
551 IEEE80211_C_WME |
552 IEEE80211_C_WEP |
553 IEEE80211_C_TKIP |
554 IEEE80211_C_AES_CCM |
555 IEEE80211_C_WPA;
556
557 ic->ic_htcaps = IEEE80211_HTC_HT |
558 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
559 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
560 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
561 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
562 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
563 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
564 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
565
566 /* spatial streams */
567
568 if (sc->nrxpath == 2)
569 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
570 else if (sc->nrxpath == 3)
571 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
572 else
573 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
574
575 if (sc->ntxpath > 1)
576 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
577
578 /* delayed BA */
579
580 if (sc->mac_rev != 0x28600100)
581 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
582
583 /* init channels */
584
585 ic->ic_nchans = 0;
586 ic->ic_regdomain = 0;
587 ic->ic_countrycode = CTRY_DEFAULT;
588 ic->ic_location = 0;
589
590 rt2860_init_channels(sc);
591
592 rt2860_init_channels_ht40(sc);
593
594 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
595
596 ieee80211_ifattach(ic);
597
598 sc->newstate = ic->ic_newstate;
599 ic->ic_newstate = rt2860_newstate;
600
601 ic->ic_reset = rt2860_reset;
602 ic->ic_scan_start = rt2860_scan_start;
603 ic->ic_scan_end = rt2860_scan_end;
604 ic->ic_set_channel = rt2860_set_channel;
605 ic->ic_newassoc = rt2860_newassoc;
606 ic->ic_updateslot = rt2860_updateslot;
607 ic->ic_wme.wme_update = rt2860_wme_update;
608 ic->ic_update_beacon = rt2860_update_beacon;
609 ic->ic_crypto.cs_key_update_begin = rt2860_key_update_begin;
610 ic->ic_crypto.cs_key_update_end = rt2860_key_update_end;
611 ic->ic_crypto.cs_key_set = rt2860_key_set;
612 ic->ic_crypto.cs_key_delete = rt2860_key_delete;
613 ic->ic_raw_xmit = rt2860_raw_xmit;
614
615 sc->recv_action = ic->ic_recv_action;
616 ic->ic_recv_action = rt2860_recv_action;
617
618 sc->send_action = ic->ic_send_action;
619 ic->ic_send_action = rt2860_send_action;
620
621 /* hardware requires padding between 802.11 frame header and body */
622
623 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
624
625 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
626
627 ieee80211_media_init(ic, rt2860_media_change, ieee80211_media_status);
628
629 rt2860_amrr_init(&sc->amrr, ic,
630 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
631 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
632 500);
633
634 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
635 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
636 &sc->drvbpf);
637
638 sc->rxtap_len = sizeof(sc->rxtapu);
639 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
640 sc->rxtap.ihdr.it_present = htole32(RT2860_SOFTC_RX_RADIOTAP_PRESENT);
641
642 sc->txtap_len = sizeof(sc->txtapu);
643 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
644 sc->txtap.ihdr.it_present = htole32(RT2860_SOFTC_TX_RADIOTAP_PRESENT);
645
646 /* init task queue */
647
648 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
649 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
650 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
651 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
652
653 sc->rx_process_limit = 100;
654
655 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
656 taskqueue_thread_enqueue, &sc->taskqueue);
657
658 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
659 device_get_nameunit(sc->dev));
660
661 rt2860_sysctl_attach(sc);
662
663 if (bootverbose)
664 ieee80211_announce(ic);
665
666 /* set up interrupt */
667
668 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
669 NULL, rt2860_intr, sc, &sc->irqh);
670 if (error != 0)
671 {
672 printf("%s: could not set up interrupt\n",
673 device_get_nameunit(dev));
674 goto fail;
675 }
676
677 return 0;
678
679 fail:
680
681 /* free Tx and Rx rings */
682
683 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
684 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
685
686 rt2860_free_rx_ring(sc, &sc->rx_ring);
687
688 mtx_destroy(&sc->lock);
689
690 if (sc->mem != NULL)
691 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
692
693 if (sc->irq != NULL)
694 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
695
696 return error;
697 }
698
699 /*
700 * rt2860_detach
701 */
702 static int rt2860_detach(device_t dev)
703 {
704 struct rt2860_softc *sc;
705 struct ieee80211com *ic;
706 struct ifnet *ifp;
707 int i;
708
709 sc = device_get_softc(dev);
710 ic = &sc->ic;
711 ifp = ic->ic_ifp;
712
713 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
714 "%s: detaching\n",
715 device_get_nameunit(sc->dev));
716
717 RT2860_SOFTC_LOCK(sc);
718
719 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
720
721 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
722
723 callout_stop(&sc->periodic_ch);
724 callout_stop(&sc->tx_watchdog_ch);
725
726 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
727 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
728 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
729 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
730
731 /* free Tx and Rx rings */
732
733 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
734 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
735
736 rt2860_free_rx_ring(sc, &sc->rx_ring);
737
738 RT2860_SOFTC_UNLOCK(sc);
739
740 bpfdetach(ifp);
741
742 ieee80211_ifdetach(ic);
743
744 if_free(ifp);
745
746 taskqueue_free(sc->taskqueue);
747
748 mtx_destroy(&sc->lock);
749
750 bus_generic_detach(dev);
751
752 bus_teardown_intr(dev, sc->irq, sc->irqh);
753
754 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
755
756 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
757
758 return 0;
759 }
760
761 /*
762 * rt2860_shutdown
763 */
764 static int rt2860_shutdown(device_t dev)
765 {
766 struct rt2860_softc *sc;
767
768 sc = device_get_softc(dev);
769
770 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
771 "%s: shutting down\n",
772 device_get_nameunit(sc->dev));
773
774 rt2860_stop(sc);
775
776 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
777
778 return 0;
779 }
780
781 /*
782 * rt2860_suspend
783 */
784 static int rt2860_suspend(device_t dev)
785 {
786 struct rt2860_softc *sc;
787
788 sc = device_get_softc(dev);
789
790 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
791 "%s: suspending\n",
792 device_get_nameunit(sc->dev));
793
794 rt2860_stop(sc);
795
796 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
797
798 return 0;
799 }
800
801 /*
802 * rt2860_resume
803 */
804 static int rt2860_resume(device_t dev)
805 {
806 struct rt2860_softc *sc;
807 struct ifnet *ifp;
808
809 sc = device_get_softc(dev);
810 ifp = sc->ifp;
811
812 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
813 "%s: resuming\n",
814 device_get_nameunit(sc->dev));
815
816 if (ifp->if_flags & IFF_UP)
817 rt2860_init(sc);
818
819 return 0;
820 }
821
822 /*
823 * rt2860_init_channels
824 */
825 static void rt2860_init_channels(struct rt2860_softc *sc)
826 {
827 struct ieee80211com *ic;
828 struct ieee80211_channel *c;
829 int i, flags;
830
831 ic = &sc->ic;
832
833 /* set supported channels for 2GHz band */
834
835 for (i = 1; i <= 14; i++)
836 {
837 c = &ic->ic_channels[ic->ic_nchans++];
838 flags = IEEE80211_CHAN_B;
839
840 c->ic_freq = ieee80211_ieee2mhz(i, flags);
841 c->ic_ieee = i;
842 c->ic_flags = flags;
843
844 c = &ic->ic_channels[ic->ic_nchans++];
845 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
846
847 c->ic_freq = ieee80211_ieee2mhz(i, flags);
848 c->ic_ieee = i;
849 c->ic_flags = flags;
850
851 c = &ic->ic_channels[ic->ic_nchans++];
852 flags = IEEE80211_CHAN_G;
853
854 c->ic_freq = ieee80211_ieee2mhz(i, flags);
855 c->ic_ieee = i;
856 c->ic_flags = flags;
857
858 c = &ic->ic_channels[ic->ic_nchans++];
859 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
860
861 c->ic_freq = ieee80211_ieee2mhz(i, flags);
862 c->ic_ieee = i;
863 c->ic_flags = flags;
864 }
865
866 /* set supported channels for 5GHz band */
867
868 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
869 sc->rf_rev == RT2860_EEPROM_RF_2750)
870 {
871 for (i = 36; i <= 64; i += 4)
872 {
873 c = &ic->ic_channels[ic->ic_nchans++];
874 flags = IEEE80211_CHAN_A;
875
876 c->ic_freq = ieee80211_ieee2mhz(i, flags);
877 c->ic_ieee = i;
878 c->ic_flags = flags;
879
880 c = &ic->ic_channels[ic->ic_nchans++];
881 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
882
883 c->ic_freq = ieee80211_ieee2mhz(i, flags);
884 c->ic_ieee = i;
885 c->ic_flags = flags;
886 }
887
888 for (i = 100; i <= 140; i += 4)
889 {
890 c = &ic->ic_channels[ic->ic_nchans++];
891 flags = IEEE80211_CHAN_A;
892
893 c->ic_freq = ieee80211_ieee2mhz(i, flags);
894 c->ic_ieee = i;
895 c->ic_flags = flags;
896
897 c = &ic->ic_channels[ic->ic_nchans++];
898 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
899
900 c->ic_freq = ieee80211_ieee2mhz(i, flags);
901 c->ic_ieee = i;
902 c->ic_flags = flags;
903 }
904
905 for (i = 149; i <= 165; i += 4)
906 {
907 c = &ic->ic_channels[ic->ic_nchans++];
908 flags = IEEE80211_CHAN_A;
909
910 c->ic_freq = ieee80211_ieee2mhz(i, flags);
911 c->ic_ieee = i;
912 c->ic_flags = flags;
913
914 c = &ic->ic_channels[ic->ic_nchans++];
915 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
916
917 c->ic_freq = ieee80211_ieee2mhz(i, flags);
918 c->ic_ieee = i;
919 c->ic_flags = flags;
920 }
921 }
922 }
923
924 /*
925 * rt2860_init_channels_ht40
926 */
927 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
928 {
929 struct ieee80211com *ic;
930 struct ieee80211_channel *c, *cent, *ext;
931 int i, flags;
932
933 ic = &sc->ic;
934
935 /* set supported channels for 2GHz band */
936
937 for (i = 1; i <= 14; i++)
938 {
939 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
940
941 /* find the center channel */
942
943 cent = ieee80211_find_channel_byieee(ic, i,
944 flags & ~IEEE80211_CHAN_HT);
945 if (cent == NULL)
946 {
947 printf("%s: skip channel %d, could not find center channel\n",
948 device_get_nameunit(sc->dev), i);
949 continue;
950 }
951
952 /* find the extension channel */
953
954 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
955 flags & ~IEEE80211_CHAN_HT);
956 if (ext == NULL)
957 {
958 printf("%s: skip channel %d, could not find extension channel\n",
959 device_get_nameunit(sc->dev), i);
960 continue;
961 }
962
963 c = &ic->ic_channels[ic->ic_nchans++];
964
965 *c = *cent;
966 c->ic_extieee = ext->ic_ieee;
967 c->ic_flags &= ~IEEE80211_CHAN_HT;
968 c->ic_flags |= IEEE80211_CHAN_HT40U;
969
970 c = &ic->ic_channels[ic->ic_nchans++];
971
972 *c = *ext;
973 c->ic_extieee = cent->ic_ieee;
974 c->ic_flags &= ~IEEE80211_CHAN_HT;
975 c->ic_flags |= IEEE80211_CHAN_HT40D;
976 }
977
978 /* set supported channels for 5GHz band */
979
980 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
981 sc->rf_rev == RT2860_EEPROM_RF_2750)
982 {
983 for (i = 36; i <= 64; i += 4)
984 {
985 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
986
987 /* find the center channel */
988
989 cent = ieee80211_find_channel_byieee(ic, i,
990 flags & ~IEEE80211_CHAN_HT);
991 if (cent == NULL)
992 {
993 printf("%s: skip channel %d, could not find center channel\n",
994 device_get_nameunit(sc->dev), i);
995 continue;
996 }
997
998 /* find the extension channel */
999
1000 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1001 flags & ~IEEE80211_CHAN_HT);
1002 if (ext == NULL)
1003 {
1004 printf("%s: skip channel %d, could not find extension channel\n",
1005 device_get_nameunit(sc->dev), i);
1006 continue;
1007 }
1008
1009 c = &ic->ic_channels[ic->ic_nchans++];
1010
1011 *c = *cent;
1012 c->ic_extieee = ext->ic_ieee;
1013 c->ic_flags &= ~IEEE80211_CHAN_HT;
1014 c->ic_flags |= IEEE80211_CHAN_HT40U;
1015
1016 c = &ic->ic_channels[ic->ic_nchans++];
1017
1018 *c = *ext;
1019 c->ic_extieee = cent->ic_ieee;
1020 c->ic_flags &= ~IEEE80211_CHAN_HT;
1021 c->ic_flags |= IEEE80211_CHAN_HT40D;
1022 }
1023
1024 for (i = 100; i <= 140; i += 4)
1025 {
1026 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1027
1028 /* find the center channel */
1029
1030 cent = ieee80211_find_channel_byieee(ic, i,
1031 flags & ~IEEE80211_CHAN_HT);
1032 if (cent == NULL)
1033 {
1034 printf("%s: skip channel %d, could not find center channel\n",
1035 device_get_nameunit(sc->dev), i);
1036 continue;
1037 }
1038
1039 /* find the extension channel */
1040
1041 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1042 flags & ~IEEE80211_CHAN_HT);
1043 if (ext == NULL)
1044 {
1045 printf("%s: skip channel %d, could not find extension channel\n",
1046 device_get_nameunit(sc->dev), i);
1047 continue;
1048 }
1049
1050 c = &ic->ic_channels[ic->ic_nchans++];
1051
1052 *c = *cent;
1053 c->ic_extieee = ext->ic_ieee;
1054 c->ic_flags &= ~IEEE80211_CHAN_HT;
1055 c->ic_flags |= IEEE80211_CHAN_HT40U;
1056
1057 c = &ic->ic_channels[ic->ic_nchans++];
1058
1059 *c = *ext;
1060 c->ic_extieee = cent->ic_ieee;
1061 c->ic_flags &= ~IEEE80211_CHAN_HT;
1062 c->ic_flags |= IEEE80211_CHAN_HT40D;
1063 }
1064
1065 for (i = 149; i <= 165; i += 4)
1066 {
1067 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1068
1069 /* find the center channel */
1070
1071 cent = ieee80211_find_channel_byieee(ic, i,
1072 flags & ~IEEE80211_CHAN_HT);
1073 if (cent == NULL)
1074 {
1075 printf("%s: skip channel %d, could not find center channel\n",
1076 device_get_nameunit(sc->dev), i);
1077 continue;
1078 }
1079
1080 /* find the extension channel */
1081
1082 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1083 flags & ~IEEE80211_CHAN_HT);
1084 if (ext == NULL)
1085 {
1086 printf("%s: skip channel %d, could not find extension channel\n",
1087 device_get_nameunit(sc->dev), i);
1088 continue;
1089 }
1090
1091 c = &ic->ic_channels[ic->ic_nchans++];
1092
1093 *c = *cent;
1094 c->ic_extieee = ext->ic_ieee;
1095 c->ic_flags &= ~IEEE80211_CHAN_HT;
1096 c->ic_flags |= IEEE80211_CHAN_HT40U;
1097
1098 c = &ic->ic_channels[ic->ic_nchans++];
1099
1100 *c = *ext;
1101 c->ic_extieee = cent->ic_ieee;
1102 c->ic_flags &= ~IEEE80211_CHAN_HT;
1103 c->ic_flags |= IEEE80211_CHAN_HT40D;
1104 }
1105 }
1106 }
1107
1108 /*
1109 * rt2860_init_locked
1110 */
1111 static void rt2860_init_locked(void *priv)
1112 {
1113 struct rt2860_softc *sc;
1114 struct ieee80211com *ic;
1115 struct ifnet *ifp;
1116 int error, i, ntries;
1117 uint32_t tmp, stacnt[6];
1118
1119 sc = priv;
1120 ic = &sc->ic;
1121 ifp = ic->ic_ifp;
1122
1123 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1124 "%s: initializing\n",
1125 device_get_nameunit(sc->dev));
1126
1127 RT2860_SOFTC_ASSERT_LOCKED(sc);
1128
1129 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1130 {
1131 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1132 "%s: loading 8051 microcode\n",
1133 device_get_nameunit(sc->dev));
1134
1135 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1136 if (error != 0)
1137 {
1138 printf("%s: could not load 8051 microcode\n",
1139 device_get_nameunit(sc->dev));
1140 goto fail;
1141 }
1142
1143 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1144 "%s: 8051 microcode was successfully loaded\n",
1145 device_get_nameunit(sc->dev));
1146
1147 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1148 }
1149
1150 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1151
1152 /* disable DMA engine */
1153
1154 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1155
1156 tmp &= 0xff0;
1157 tmp |= RT2860_REG_TX_WB_DDONE;
1158
1159 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1160
1161 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1162
1163 /* PBF hardware reset */
1164
1165 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1166 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1167
1168 /* wait while DMA engine is busy */
1169
1170 for (ntries = 0; ntries < 100; ntries++)
1171 {
1172 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1173 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1174 break;
1175
1176 DELAY(1000);
1177 }
1178
1179 if (ntries == 100)
1180 {
1181 printf("%s: timeout waiting for DMA engine\n",
1182 device_get_nameunit(sc->dev));
1183 goto fail;
1184 }
1185
1186 tmp &= 0xff0;
1187 tmp |= RT2860_REG_TX_WB_DDONE;
1188
1189 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1190
1191 /* reset Rx and Tx rings */
1192
1193 tmp = RT2860_REG_RST_IDX_RX |
1194 RT2860_REG_RST_IDX_TX_MGMT |
1195 RT2860_REG_RST_IDX_TX_HCCA |
1196 RT2860_REG_RST_IDX_TX_AC3 |
1197 RT2860_REG_RST_IDX_TX_AC2 |
1198 RT2860_REG_RST_IDX_TX_AC1 |
1199 RT2860_REG_RST_IDX_TX_AC0;
1200
1201 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1202
1203 /* PBF hardware reset */
1204
1205 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1206 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1209
1210 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1211 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1212 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1213
1214 /* init Tx power per rate */
1215
1216 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1217 {
1218 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1219 continue;
1220
1221 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1222 sc->txpow_rate_20mhz[i]);
1223 }
1224
1225 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1226 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1227 rt2860_def_mac[i].val);
1228
1229 /* wait while MAC is busy */
1230
1231 for (ntries = 0; ntries < 100; ntries++)
1232 {
1233 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1234 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1235 break;
1236
1237 DELAY(1000);
1238 }
1239
1240 if (ntries == 100)
1241 {
1242 printf("%s: timeout waiting for MAC\n",
1243 device_get_nameunit(sc->dev));
1244 goto fail;
1245 }
1246
1247 /* clear Host to MCU mailbox */
1248
1249 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1250 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1251
1252 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1253 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1254
1255 DELAY(1000);
1256
1257 error = rt2860_init_bbp(sc);
1258 if (error != 0)
1259 goto fail;
1260
1261 /* set up maximum buffer sizes */
1262
1263 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1264
1265 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1266
1267 /* set mac address */
1268
1269 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1270
1271 rt2860_asic_set_macaddr(sc, ic->ic_myaddr);
1272
1273 /* clear statistic registers */
1274
1275 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1276 stacnt, sizeof(stacnt));
1277
1278 /* set RTS threshold */
1279
1280 rt2860_asic_update_rtsthreshold(sc);
1281
1282 /* set Tx power */
1283
1284 rt2860_asic_update_txpower(sc);
1285
1286 /* set up protection mode */
1287
1288 rt2860_asic_updateprot(sc);
1289
1290 /* clear key tables */
1291
1292 rt2860_asic_clear_keytables(sc);
1293
1294 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1295
1296 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1297 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1298
1299 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1300 {
1301 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1302 sc->tx_ring[i].desc_phys_addr);
1303 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1304 RT2860_SOFTC_TX_RING_DESC_COUNT);
1305 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1306 }
1307
1308 /* init Rx ring */
1309
1310 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1311
1312 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1313 sc->rx_ring.desc_phys_addr);
1314 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1315 RT2860_SOFTC_RX_RING_DATA_COUNT);
1316 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1317 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1318
1319 /* wait while DMA engine is busy */
1320
1321 for (ntries = 0; ntries < 100; ntries++)
1322 {
1323 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1324 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1325 break;
1326
1327 DELAY(1000);
1328 }
1329
1330 if (ntries == 100)
1331 {
1332 printf("%s: timeout waiting for DMA engine\n",
1333 device_get_nameunit(sc->dev));
1334 goto fail;
1335 }
1336
1337 tmp &= 0xff0;
1338 tmp |= RT2860_REG_TX_WB_DDONE;
1339
1340 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1341
1342 /* disable interrupts mitigation */
1343
1344 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1345
1346 /* send LEDs operating mode to microcontroller */
1347
1348 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1349 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1350 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1351 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1352 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1353 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1354
1355 /* turn radio LED on */
1356
1357 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1358
1359 /* write vendor-specific BBP values (from EEPROM) */
1360
1361 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1362 {
1363 if (sc->bbp_eeprom[i].reg == 0x00 ||
1364 sc->bbp_eeprom[i].reg == 0xff)
1365 continue;
1366
1367 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1368 sc->bbp_eeprom[i].val);
1369 }
1370
1371 /*
1372 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1373 if (tmp & (1 << 2))
1374 {
1375 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1376 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1377 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1378
1379 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1380 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1381 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1382 }
1383 */
1384
1385 /* disable non-existing Rx chains */
1386
1387 tmp = rt2860_io_bbp_read(sc, 3);
1388
1389 tmp &= ~((1 << 4) | (1 << 3));
1390
1391 if (sc->nrxpath == 3)
1392 tmp |= (1 << 4);
1393 else if (sc->nrxpath == 2)
1394 tmp |= (1 << 3);
1395
1396 rt2860_io_bbp_write(sc, 3, tmp);
1397
1398 /* disable non-existing Tx chains */
1399
1400 tmp = rt2860_io_bbp_read(sc, 1);
1401
1402 if (sc->ntxpath == 1)
1403 tmp &= ~((1 << 4) | (1 << 3));
1404
1405 rt2860_io_bbp_write(sc, 1, tmp);
1406
1407 tmp = rt2860_io_bbp_read(sc, 4);
1408
1409 tmp &= ~0x18;
1410
1411 rt2860_io_bbp_write(sc, 4, tmp);
1412
1413 /* set current channel */
1414
1415 rt2860_rf_set_chan(sc, ic->ic_curchan);
1416
1417 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1418 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1419 (48 << 16) | 96);
1420
1421 if ((sc->mac_rev & 0xffff) != 0x0101)
1422 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1423
1424 /* clear pending interrupts */
1425
1426 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1427
1428 /* enable interrupts */
1429
1430 tmp = RT2860_REG_INT_TX_COHERENT |
1431 RT2860_REG_INT_RX_COHERENT |
1432 RT2860_REG_INT_GP_TIMER |
1433 RT2860_REG_INT_AUTO_WAKEUP |
1434 RT2860_REG_INT_FIFO_STA_FULL |
1435 /*
1436 RT2860_REG_INT_PRE_TBTT |
1437 RT2860_REG_INT_TBTT |
1438 */
1439 RT2860_REG_INT_TXRX_COHERENT |
1440 RT2860_REG_INT_MCU_CMD |
1441 RT2860_REG_INT_TX_MGMT_DONE |
1442 RT2860_REG_INT_TX_HCCA_DONE |
1443 RT2860_REG_INT_TX_AC3_DONE |
1444 RT2860_REG_INT_TX_AC2_DONE |
1445 RT2860_REG_INT_TX_AC1_DONE |
1446 RT2860_REG_INT_TX_AC0_DONE |
1447 RT2860_REG_INT_RX_DONE;
1448
1449 sc->intr_enable_mask = tmp;
1450
1451 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1452
1453 if (rt2860_txrx_enable(sc) != 0)
1454 goto fail;
1455
1456 /* clear garbage interrupts */
1457
1458 tmp = rt2860_io_mac_read(sc, 0x1300);
1459
1460 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1461 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1462
1463 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1464 {
1465 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1466 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1467 }
1468 else
1469 {
1470 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1471 }
1472
1473 sc->periodic_round = 0;
1474
1475 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1476
1477 return;
1478
1479 fail:
1480
1481 rt2860_stop_locked(sc);
1482 }
1483
1484 /*
1485 * rt2860_init
1486 */
1487 static void rt2860_init(void *priv)
1488 {
1489 struct rt2860_softc *sc;
1490
1491 sc = priv;
1492
1493 RT2860_SOFTC_LOCK(sc);
1494
1495 rt2860_init_locked(sc);
1496
1497 RT2860_SOFTC_UNLOCK(sc);
1498 }
1499
1500 /*
1501 * rt2860_init_bbp
1502 */
1503 static int rt2860_init_bbp(struct rt2860_softc *sc)
1504 {
1505 int ntries, i;
1506 uint8_t tmp;
1507
1508 for (ntries = 0; ntries < 20; ntries++)
1509 {
1510 tmp = rt2860_io_bbp_read(sc, 0);
1511 if (tmp != 0x00 && tmp != 0xff)
1512 break;
1513 }
1514
1515 if (tmp == 0x00 || tmp == 0xff)
1516 {
1517 printf("%s: timeout waiting for BBP to wakeup\n",
1518 device_get_nameunit(sc->dev));
1519 return ETIMEDOUT;
1520 }
1521
1522 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1523 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1524 rt2860_def_bbp[i].val);
1525
1526 if ((sc->mac_rev & 0xffff) != 0x0101)
1527 rt2860_io_bbp_write(sc, 84, 0x19);
1528
1529 return 0;
1530 }
1531
1532 /*
1533 * rt2860_stop_locked
1534 */
1535 static void rt2860_stop_locked(void *priv)
1536 {
1537 struct rt2860_softc *sc;
1538 struct ieee80211com *ic;
1539 struct ifnet *ifp;
1540 uint32_t tmp;
1541
1542 sc = priv;
1543 ic = &sc->ic;
1544 ifp = ic->ic_ifp;
1545
1546 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1547 "%s: stopping\n",
1548 device_get_nameunit(sc->dev));
1549
1550 RT2860_SOFTC_ASSERT_LOCKED(sc);
1551
1552 sc->tx_timer = 0;
1553
1554 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1555 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1556
1557 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1558
1559 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1560
1561 callout_stop(&sc->periodic_ch);
1562 callout_stop(&sc->tx_watchdog_ch);
1563
1564 RT2860_SOFTC_UNLOCK(sc);
1565
1566 taskqueue_block(sc->taskqueue);
1567
1568 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1569 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1570 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1571 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1572
1573 RT2860_SOFTC_LOCK(sc);
1574
1575 /* clear key tables */
1576
1577 rt2860_asic_clear_keytables(sc);
1578
1579 /* disable interrupts */
1580
1581 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1582
1583 /* disable Tx/Rx */
1584
1585 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1586
1587 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1588
1589 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1590
1591 /* reset adapter */
1592
1593 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1594 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1595 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1596 }
1597
1598 /*
1599 * rt2860_stop
1600 */
1601 static void rt2860_stop(void *priv)
1602 {
1603 struct rt2860_softc *sc;
1604
1605 sc = priv;
1606
1607 RT2860_SOFTC_LOCK(sc);
1608
1609 rt2860_stop_locked(sc);
1610
1611 RT2860_SOFTC_UNLOCK(sc);
1612 }
1613
1614 /*
1615 * rt2860_start
1616 */
1617 static void rt2860_start(struct ifnet *ifp)
1618 {
1619 struct rt2860_softc *sc;
1620 struct ieee80211com *ic;
1621 struct ieee80211_node *ni;
1622 struct ether_header *eh;
1623 struct mbuf *m;
1624 int qid;
1625
1626 sc = ifp->if_softc;
1627 ic = &sc->ic;
1628
1629 RT2860_SOFTC_LOCK(sc);
1630
1631 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1632 {
1633 RT2860_SOFTC_UNLOCK(sc);
1634 return;
1635 }
1636
1637 for (;;)
1638 {
1639 IF_POLL(&ic->ic_mgtq, m);
1640 if (m != NULL)
1641 {
1642 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1643 {
1644 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1645 "%s: if_start: Tx ring with qid=%d is full\n",
1646 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1647
1648 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1649 break;
1650 }
1651
1652 IF_DEQUEUE(&ic->ic_mgtq, m);
1653
1654 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1655 m->m_pkthdr.rcvif = NULL;
1656
1657 if (bpf_peers_present(ic->ic_rawbpf))
1658 bpf_mtap(ic->ic_rawbpf, m);
1659
1660 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1661 break;
1662
1663 rt2860_drain_fifo_stats(sc);
1664 }
1665 else
1666 {
1667 if (ic->ic_state != IEEE80211_S_RUN)
1668 break;
1669
1670 IF_POLL(&ifp->if_snd, m);
1671 if (m == NULL)
1672 break;
1673
1674 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1675
1676 if (ic->ic_flags & IEEE80211_F_SCAN)
1677 ieee80211_cancel_scan(ic);
1678
1679 if (m->m_len < sizeof(struct ether_header) &&
1680 !(m = m_pullup(m, sizeof (struct ether_header))))
1681 continue;
1682
1683 eh = mtod(m, struct ether_header *);
1684
1685 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1686 if (ni == NULL)
1687 {
1688 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1689 "%s: if_start: could not find Tx node\n",
1690 device_get_nameunit(sc->dev));
1691
1692 m_freem(m);
1693 continue;
1694 }
1695
1696 ieee80211_classify(ic, m, ni);
1697
1698 qid = M_WME_GETAC(m);
1699
1700 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1701 {
1702 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1703 "%s: if_start: Tx ring with qid=%d is full\n",
1704 device_get_nameunit(sc->dev), qid);
1705
1706 m_freem(m);
1707 ieee80211_free_node(ni);
1708 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1709 ifp->if_oerrors++;
1710 break;
1711 }
1712
1713 BPF_MTAP(ifp, m);
1714
1715 m = ieee80211_encap(ic, m, ni);
1716 if (m == NULL)
1717 {
1718 ieee80211_free_node(ni);
1719 ifp->if_oerrors++;
1720 continue;
1721 }
1722
1723 if (bpf_peers_present(ic->ic_rawbpf))
1724 bpf_mtap(ic->ic_rawbpf, m);
1725
1726 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1727 {
1728 ieee80211_free_node(ni);
1729 ifp->if_oerrors++;
1730 break;
1731 }
1732
1733 rt2860_drain_fifo_stats(sc);
1734 }
1735
1736 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1737
1738 ic->ic_lastdata = ticks;
1739
1740 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1741 }
1742
1743 RT2860_SOFTC_UNLOCK(sc);
1744 }
1745
1746 /*
1747 * rt2860_ioctl
1748 */
1749 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1750 {
1751 struct rt2860_softc *sc;
1752 struct ieee80211com *ic;
1753 int error;
1754
1755 sc = ifp->if_softc;
1756 ic = &sc->ic;
1757
1758 error = 0;
1759
1760 switch (cmd)
1761 {
1762 case SIOCSIFFLAGS:
1763 RT2860_SOFTC_LOCK(sc);
1764
1765 if (ifp->if_flags & IFF_UP)
1766 {
1767 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1768 {
1769 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1770 rt2860_asic_update_promisc(sc);
1771 }
1772 else
1773 {
1774 rt2860_init_locked(sc);
1775 }
1776 }
1777 else
1778 {
1779 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1780 rt2860_stop_locked(sc);
1781 }
1782
1783 sc->if_flags = ifp->if_flags;
1784
1785 RT2860_SOFTC_UNLOCK(sc);
1786 break;
1787
1788 default:
1789 error = ieee80211_ioctl(ic, cmd, data);
1790 }
1791
1792 if (error == ENETRESET)
1793 {
1794 RT2860_SOFTC_LOCK(sc);
1795
1796 if ((ifp->if_flags & IFF_UP) &&
1797 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1798 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1799 {
1800 rt2860_stop_locked(sc);
1801 rt2860_init_locked(sc);
1802 }
1803
1804 RT2860_SOFTC_UNLOCK(sc);
1805
1806 error = 0;
1807 }
1808
1809 return error;
1810 }
1811
1812 /*
1813 * rt2860_reset
1814 */
1815 static int rt2860_reset(struct ifnet *ifp)
1816 {
1817 struct rt2860_softc *sc;
1818 struct ieee80211com *ic;
1819
1820 sc = ifp->if_softc;
1821 ic = &sc->ic;
1822
1823 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1824 return ENETRESET;
1825
1826 rt2860_rf_set_chan(sc, ic->ic_curchan);
1827
1828 return 0;
1829 }
1830
1831 /*
1832 * rt2860_newstate
1833 */
1834 static int rt2860_newstate(struct ieee80211com *ic,
1835 enum ieee80211_state nstate, int arg)
1836 {
1837 struct rt2860_softc *sc;
1838 struct ifnet *ifp;
1839 struct ieee80211_node *ni;
1840 int error;
1841
1842 ifp = ic->ic_ifp;
1843 sc = ifp->if_softc;
1844
1845 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1846 "%s: newstate: %s -> %s\n",
1847 device_get_nameunit(sc->dev),
1848 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1849
1850 error = sc->newstate(ic, nstate, arg);
1851 if (error != 0)
1852 return error;
1853
1854 RT2860_SOFTC_LOCK(sc);
1855
1856 /* turn link LED off */
1857
1858 if (nstate != IEEE80211_S_RUN)
1859 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1860
1861 switch (nstate)
1862 {
1863 case IEEE80211_S_INIT:
1864 rt2860_asic_disable_tsf_sync(sc);
1865 break;
1866
1867 case IEEE80211_S_RUN:
1868 ni = ic->ic_bss;
1869
1870 rt2860_rf_set_chan(sc, ni->ni_chan);
1871
1872 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1873 {
1874 rt2860_asic_enable_mrr(sc);
1875 rt2860_asic_set_txpreamble(sc);
1876 rt2860_asic_set_basicrates(sc);
1877 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1878 }
1879
1880 if (ic->ic_opmode == IEEE80211_M_STA)
1881 rt2860_newassoc(ni, 1);
1882
1883 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1884 ic->ic_opmode == IEEE80211_M_IBSS)
1885 {
1886 error = rt2860_asic_update_beacon(sc);
1887 if (error != 0)
1888 break;
1889 }
1890
1891 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1892 rt2860_asic_enable_tsf_sync(sc);
1893
1894 /* turn link LED on */
1895
1896 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1897 {
1898 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1899 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1900 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1901 }
1902 break;
1903
1904 default:
1905 break;
1906 }
1907
1908 RT2860_SOFTC_UNLOCK(sc);
1909
1910 return error;
1911 }
1912
1913 /*
1914 * rt2860_scan_start
1915 */
1916 static void rt2860_scan_start(struct ieee80211com *ic)
1917 {
1918 struct rt2860_softc *sc;
1919 struct ifnet *ifp;
1920
1921 ifp = ic->ic_ifp;
1922 sc = ifp->if_softc;
1923
1924 rt2860_asic_disable_tsf_sync(sc);
1925 }
1926
1927 /*
1928 * rt2860_scan_end
1929 */
1930 static void rt2860_scan_end(struct ieee80211com *ic)
1931 {
1932 struct rt2860_softc *sc;
1933 struct ifnet *ifp;
1934
1935 ifp = ic->ic_ifp;
1936 sc = ifp->if_softc;
1937
1938 rt2860_asic_enable_tsf_sync(sc);
1939 }
1940
1941 /*
1942 * rt2860_set_channel
1943 */
1944 static void rt2860_set_channel(struct ieee80211com *ic)
1945 {
1946 struct rt2860_softc *sc;
1947 struct ifnet *ifp;
1948
1949 ifp = ic->ic_ifp;
1950 sc = ifp->if_softc;
1951
1952 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
1953 "%s: set channel: channel=%u, HT%s%s\n",
1954 device_get_nameunit(sc->dev),
1955 ieee80211_chan2ieee(ic, ic->ic_curchan),
1956 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
1957 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
1958 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
1959 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
1960
1961 RT2860_SOFTC_LOCK(sc);
1962
1963 rt2860_rf_set_chan(sc, ic->ic_curchan);
1964
1965 RT2860_SOFTC_UNLOCK(sc);
1966 }
1967
1968 /*
1969 * rt2860_newassoc
1970 */
1971 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
1972 {
1973 struct rt2860_softc *sc;
1974 struct ieee80211com *ic;
1975 struct ifnet *ifp;
1976 uint16_t associd;
1977 uint8_t wcid;
1978
1979 ic = ni->ni_ic;
1980 ifp = ic->ic_ifp;
1981 sc = ifp->if_softc;
1982
1983 associd = (ni != NULL) ? ni->ni_associd : 0;
1984 wcid = RT2860_AID2WCID(associd);
1985
1986 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
1987 "%s: new association: wcid=0x%02x, "
1988 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
1989 device_get_nameunit(sc->dev), wcid,
1990 ether_sprintf(ni->ni_macaddr),
1991 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
1992 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
1993 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
1994
1995 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
1996 ni->ni_macaddr, IEEE80211_ADDR_LEN);
1997
1998 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
1999
2000 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2001 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2002 device_get_nameunit(sc->dev),
2003 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2004 ni->ni_associd,
2005 (ni->ni_flags & IEEE80211_NODE_HT) ?
2006 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2007 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2008 (ni->ni_flags & IEEE80211_NODE_HT) ?
2009 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2010 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2011
2012 rt2860_asic_updateprot(sc);
2013 rt2860_asic_updateslot(sc);
2014 rt2860_asic_set_txpreamble(sc);
2015 }
2016
2017 /*
2018 * rt2860_updateslot
2019 */
2020 static void rt2860_updateslot(struct ifnet *ifp)
2021 {
2022 struct rt2860_softc *sc;
2023
2024 sc = ifp->if_softc;
2025
2026 rt2860_asic_updateslot(sc);
2027 }
2028
2029 /*
2030 * rt2860_wme_update
2031 */
2032 static int rt2860_wme_update(struct ieee80211com *ic)
2033 {
2034 struct rt2860_softc *sc;
2035 struct ifnet *ifp;
2036
2037 ifp = ic->ic_ifp;
2038 sc = ifp->if_softc;
2039
2040 rt2860_asic_wme_update(sc);
2041
2042 return 0;
2043 }
2044
2045 /*
2046 * rt2860_update_beacon
2047 */
2048 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2049 {
2050 struct rt2860_softc *sc;
2051 struct ifnet *ifp;
2052
2053 ifp = ic->ic_ifp;
2054 sc = ifp->if_softc;
2055
2056 rt2860_asic_update_beacon(sc);
2057 }
2058
2059 /*
2060 * rt2860_key_update_begin
2061 */
2062 static void rt2860_key_update_begin(struct ieee80211com *ic)
2063 {
2064 struct rt2860_softc *sc;
2065 struct ifnet *ifp;
2066
2067 ifp = ic->ic_ifp;
2068 sc = ifp->if_softc;
2069
2070 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2071 "%s: key update begin\n",
2072 device_get_nameunit(sc->dev));
2073
2074 taskqueue_block(sc->taskqueue);
2075
2076 IF_LOCK(&ifp->if_snd);
2077 }
2078
2079 /*
2080 * rt2860_key_update_end
2081 */
2082 static void rt2860_key_update_end(struct ieee80211com *ic)
2083 {
2084 struct rt2860_softc *sc;
2085 struct ifnet *ifp;
2086
2087 ifp = ic->ic_ifp;
2088 sc = ifp->if_softc;
2089
2090 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2091 "%s: key update end\n",
2092 device_get_nameunit(sc->dev));
2093
2094 IF_UNLOCK(&ifp->if_snd);
2095
2096 taskqueue_unblock(sc->taskqueue);
2097 }
2098
2099 /*
2100 * rt2860_key_set
2101 */
2102 static int rt2860_key_set(struct ieee80211com *ic,
2103 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2104 {
2105 struct rt2860_softc *sc;
2106 struct ifnet *ifp;
2107 struct ieee80211_node *ni;
2108 uint16_t associd, key_base, keymode_base;
2109 uint8_t mode, vapid, wcid, iv[8];
2110 uint32_t tmp;
2111
2112 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2113 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2114 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2115 return EINVAL;
2116
2117 ifp = ic->ic_ifp;
2118 sc = ifp->if_softc;
2119
2120 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2121 ni = ic->ic_bss;
2122 else
2123 ni = ieee80211_find_node(&ic->ic_sta, mac);
2124
2125 associd = (ni != NULL) ? ni->ni_associd : 0;
2126
2127 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2128 ieee80211_free_node(ni);
2129
2130 switch (k->wk_cipher->ic_cipher)
2131 {
2132 case IEEE80211_CIPHER_WEP:
2133 if(k->wk_keylen < 8)
2134 mode = RT2860_REG_CIPHER_MODE_WEP40;
2135 else
2136 mode = RT2860_REG_CIPHER_MODE_WEP104;
2137 break;
2138
2139 case IEEE80211_CIPHER_TKIP:
2140 mode = RT2860_REG_CIPHER_MODE_TKIP;
2141 break;
2142
2143 case IEEE80211_CIPHER_AES_CCM:
2144 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2145 break;
2146
2147 default:
2148 return EINVAL;
2149 }
2150
2151 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2152 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2153 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2154 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2155
2156 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2157 {
2158 /* install pairwise key */
2159
2160 vapid = 0;
2161 wcid = RT2860_AID2WCID(associd);
2162 key_base = RT2860_REG_PKEY(wcid);
2163
2164 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2165 {
2166 memset(iv, 0, 8);
2167
2168 iv[3] = (k->wk_keyix << 6);
2169 }
2170 else
2171 {
2172 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2173 {
2174 iv[0] = (k->wk_keytsc >> 8);
2175 iv[1] = ((iv[0] | 0x20) & 0x7f);
2176 iv[2] = k->wk_keytsc;
2177 }
2178 else
2179 {
2180 /* AES CCMP */
2181
2182 iv[0] = k->wk_keytsc;
2183 iv[1] = k->wk_keytsc >> 8;
2184 iv[2] = 0;
2185 }
2186
2187 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2188 iv[4] = (k->wk_keytsc >> 16);
2189 iv[5] = (k->wk_keytsc >> 24);
2190 iv[6] = (k->wk_keytsc >> 32);
2191 iv[7] = (k->wk_keytsc >> 40);
2192
2193 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2194 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2195 device_get_nameunit(sc->dev),
2196 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2197 }
2198
2199 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2200
2201 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2202 {
2203 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2204
2205 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2206 {
2207 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2208 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2209 }
2210 else
2211 {
2212 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2213 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2214 }
2215 }
2216 else
2217 {
2218 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2219 }
2220
2221 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2222 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2223
2224 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2225 }
2226
2227 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2228 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2229 {
2230 /* install group key */
2231
2232 vapid = 0;
2233 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2234 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2235
2236 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2237 {
2238 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2239
2240 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2241 {
2242 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2243 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2244 }
2245 else
2246 {
2247 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2248 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2249 }
2250 }
2251 else
2252 {
2253 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2254 }
2255
2256 tmp = rt2860_io_mac_read(sc, keymode_base);
2257
2258 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2259 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2260
2261 rt2860_io_mac_write(sc, keymode_base, tmp);
2262 }
2263
2264 return 1;
2265 }
2266
2267 /*
2268 * rt2860_key_delete
2269 */
2270 static int rt2860_key_delete(struct ieee80211com *ic,
2271 const struct ieee80211_key *k)
2272 {
2273 struct rt2860_softc *sc;
2274 struct ieee80211_node *ni;
2275 uint16_t associd;
2276 uint8_t vapid, wcid;
2277 uint32_t tmp;
2278
2279 sc = ic->ic_ifp->if_softc;
2280 ni = ic->ic_bss;
2281 associd = (ni != NULL) ? ni->ni_associd : 0;
2282
2283 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2284 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2285 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2286 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2287
2288 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2289 {
2290 /* remove pairwise key */
2291
2292 wcid = RT2860_AID2WCID(associd);
2293
2294 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID_ATTR(wcid));
2295
2296 tmp &= ~0xf;
2297 tmp |= (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT);
2298
2299 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2300 }
2301 else
2302 {
2303 /* remove group key */
2304
2305 vapid = 0;
2306
2307 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2308
2309 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2310 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2311
2312 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2313 }
2314
2315 return 1;
2316 }
2317
2318 /*
2319 * rt2860_raw_xmit
2320 */
2321 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2322 const struct ieee80211_bpf_params *params)
2323 {
2324 return 0;
2325 }
2326
2327 /*
2328 * rt2860_media_change
2329 */
2330 static int rt2860_media_change(struct ifnet *ifp)
2331 {
2332 struct rt2860_softc *sc;
2333 int error;
2334
2335 sc = ifp->if_softc;
2336
2337 error = ieee80211_media_change(ifp);
2338 if (error != ENETRESET)
2339 return error;
2340
2341 RT2860_SOFTC_LOCK(sc);
2342
2343 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2344 {
2345 rt2860_stop_locked(sc);
2346 rt2860_init_locked(sc);
2347 }
2348
2349 RT2860_SOFTC_UNLOCK(sc);
2350
2351 return 0;
2352 }
2353
2354 /*
2355 * rt2860_recv_action
2356 */
2357 static void rt2860_recv_action(struct ieee80211_node *ni,
2358 const uint8_t *frm, const uint8_t *efrm)
2359 {
2360 struct rt2860_softc *sc;
2361 struct ieee80211com *ic;
2362 struct ifnet *ifp;
2363 const struct ieee80211_action *ia;
2364 uint16_t associd, baparamset;
2365 uint8_t wcid;
2366 int tid;
2367 uint32_t tmp;
2368
2369 ic = ni->ni_ic;
2370 ifp = ic->ic_ifp;
2371 sc = ifp->if_softc;
2372
2373 ia = (const struct ieee80211_action *) frm;
2374
2375 sc->recv_action(ni, frm, efrm);
2376
2377 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2378 return;
2379
2380 associd = (ni != NULL) ? ni->ni_associd : 0;
2381 wcid = RT2860_AID2WCID(associd);
2382
2383 switch (ia->ia_action)
2384 {
2385 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2386 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2387 baparamset = LE_READ_2(frm + 3);
2388 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2389
2390 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2391 "%s: adding A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2392 device_get_nameunit(sc->dev), associd, tid);
2393
2394 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2395
2396 tmp |= (0x10000 << tid);
2397
2398 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2399 break;
2400
2401 /* IEEE80211_ACTION_BA_DELBA */
2402 case IEEE80211_ACTION_BA_DELBA:
2403 baparamset = LE_READ_2(frm + 2);
2404 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2405
2406 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2407 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2408 device_get_nameunit(sc->dev), associd, tid);
2409
2410 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2411
2412 tmp &= ~(0x10000 << tid);
2413
2414 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2415 break;
2416 }
2417 }
2418
2419 /*
2420 * rt2860_send_action
2421 */
2422 static int rt2860_send_action(struct ieee80211_node *ni,
2423 int category, int action, uint16_t args[4])
2424 {
2425 struct rt2860_softc *sc;
2426 struct ieee80211com *ic;
2427 struct ifnet *ifp;
2428 uint16_t associd, baparamset;
2429 uint8_t wcid;
2430 int ret, tid;
2431 uint32_t tmp;
2432
2433 ic = ni->ni_ic;
2434 ifp = ic->ic_ifp;
2435 sc = ifp->if_softc;
2436
2437 ret = sc->send_action(ni, category, action, args);
2438
2439 if (category != IEEE80211_ACTION_CAT_BA)
2440 return ret;
2441
2442 associd = (ni != NULL) ? ni->ni_associd : 0;
2443 wcid = RT2860_AID2WCID(associd);
2444
2445 switch (action)
2446 {
2447 /* IEEE80211_ACTION_BA_DELBA */
2448 case IEEE80211_ACTION_BA_DELBA:
2449 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) |
2450 RT2860_SM(args[1], IEEE80211_DELBAPS_INIT);
2451
2452 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2453 break;
2454
2455 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2456
2457 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2458 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2459 device_get_nameunit(sc->dev), associd, tid);
2460
2461 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2462
2463 tmp &= ~(0x10000 << tid);
2464
2465 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2466 break;
2467 }
2468
2469 return ret;
2470 }
2471
2472 /*
2473 * rt2860_amrr_update_iter_func
2474 */
2475 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2476 {
2477 struct rt2860_softc *sc;
2478 struct ieee80211com *ic;
2479 uint8_t wcid;
2480
2481 sc = arg;
2482 ic = &sc->ic;
2483
2484 /* only associated stations */
2485
2486 if (ni->ni_associd != 0)
2487 {
2488 wcid = RT2860_AID2WCID(ni->ni_associd);
2489
2490 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2491
2492 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2493 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2494 device_get_nameunit(sc->dev),
2495 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2496 ni->ni_associd,
2497 (ni->ni_flags & IEEE80211_NODE_HT) ?
2498 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2499 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2500 (ni->ni_flags & IEEE80211_NODE_HT) ?
2501 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2502 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2503 }
2504 }
2505
2506 /*
2507 * rt2860_periodic
2508 */
2509 static void rt2860_periodic(void *arg)
2510 {
2511 struct rt2860_softc *sc;
2512
2513 sc = arg;
2514
2515 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2516 "%s: periodic\n",
2517 device_get_nameunit(sc->dev));
2518
2519 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2520 }
2521
2522 /*
2523 * rt2860_tx_watchdog
2524 */
2525 static void rt2860_tx_watchdog(void *arg)
2526 {
2527 struct rt2860_softc *sc;
2528 struct ifnet *ifp;
2529
2530 sc = arg;
2531 ifp = sc->ifp;
2532
2533 if (sc->tx_timer == 0)
2534 return;
2535
2536 if (--sc->tx_timer == 0)
2537 {
2538 printf("%s: Tx watchdog timeout: resetting\n",
2539 device_get_nameunit(sc->dev));
2540
2541 rt2860_stop_locked(sc);
2542 rt2860_init_locked(sc);
2543
2544 ifp->if_oerrors++;
2545
2546 sc->tx_watchdog_timeouts++;
2547 }
2548
2549 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2550 }
2551
2552 /*
2553 * rt2860_asic_set_bssid
2554 */
2555 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2556 const uint8_t *bssid)
2557 {
2558 uint32_t tmp;
2559
2560 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2561 "%s: set bssid: bssid=%s\n",
2562 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2563
2564 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2565
2566 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2567
2568 tmp = bssid[4] | (bssid[5] << 8);
2569
2570 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2571 }
2572
2573 /*
2574 * rt2860_asic_set_macaddr
2575 */
2576 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2577 const uint8_t *addr)
2578 {
2579 uint32_t tmp;
2580
2581 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2582
2583 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2584
2585 tmp = addr[4] | (addr[5] << 8);
2586
2587 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2588 }
2589
2590 /*
2591 * rt2860_asic_enable_tsf_sync
2592 */
2593 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2594 {
2595 struct ieee80211com *ic;
2596 uint32_t tmp;
2597
2598 ic = &sc->ic;
2599
2600 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2601 "%s: enabling TSF\n",
2602 device_get_nameunit(sc->dev));
2603
2604 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2605
2606 tmp &= ~0x1fffff;
2607 tmp |= ic->ic_bss->ni_intval * 16;
2608 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2609
2610 if (ic->ic_opmode == IEEE80211_M_STA)
2611 {
2612 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2613 }
2614 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2615 {
2616 tmp |= RT2860_REG_BCN_TX_ENABLE;
2617 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2618 }
2619 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2620 {
2621 tmp |= RT2860_REG_BCN_TX_ENABLE;
2622 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2623 }
2624
2625 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2626 }
2627
2628 /*
2629 * rt2860_asic_disable_tsf_sync
2630 */
2631 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2632 {
2633 uint32_t tmp;
2634
2635 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2636 "%s: disabling TSF\n",
2637 device_get_nameunit(sc->dev));
2638
2639 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2640
2641 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2642 RT2860_REG_TSF_TIMER_ENABLE |
2643 RT2860_REG_TBTT_TIMER_ENABLE);
2644
2645 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2646 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2647
2648 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2649 }
2650
2651 /*
2652 * rt2860_asic_enable_mrr
2653 */
2654 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2655 {
2656 #define CCK(mcs) (mcs)
2657 #define OFDM(mcs) ((1 << 3) | (mcs))
2658 #define HT(mcs) (mcs)
2659
2660 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2661 (OFDM(6) << 28) | /* 54 -> 48 */
2662 (OFDM(5) << 24) | /* 48 -> 36 */
2663 (OFDM(4) << 20) | /* 36 -> 24 */
2664 (OFDM(3) << 16) | /* 24 -> 18 */
2665 (OFDM(2) << 12) | /* 18 -> 12 */
2666 (OFDM(1) << 8) | /* 12 -> 9 */
2667 (OFDM(0) << 4) | /* 9 -> 6 */
2668 OFDM(0)); /* 6 -> 6 */
2669
2670 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2671 (CCK(2) << 12) | /* 11 -> 5.5 */
2672 (CCK(1) << 8) | /* 5.5 -> 2 */
2673 (CCK(0) << 4) | /* 2 -> 1 */
2674 CCK(0)); /* 1 -> 1 */
2675
2676 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2677 (HT(6) << 28) |
2678 (HT(5) << 24) |
2679 (HT(4) << 20) |
2680 (HT(3) << 16) |
2681 (HT(2) << 12) |
2682 (HT(1) << 8) |
2683 (HT(0) << 4) |
2684 HT(0));
2685
2686 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2687 (HT(14) << 28) |
2688 (HT(13) << 24) |
2689 (HT(12) << 20) |
2690 (HT(11) << 16) |
2691 (HT(10) << 12) |
2692 (HT(9) << 8) |
2693 (HT(8) << 4) |
2694 HT(8));
2695
2696 #undef HT
2697 #undef OFDM
2698 #undef CCK
2699 }
2700
2701 /*
2702 * rt2860_asic_set_txpreamble
2703 */
2704 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2705 {
2706 struct ieee80211com *ic;
2707 uint32_t tmp;
2708
2709 ic = &sc->ic;
2710
2711 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2712 "%s: %s short Tx preamble\n",
2713 device_get_nameunit(sc->dev),
2714 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2715
2716 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2717
2718 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2719
2720 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2721 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2722
2723 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2724 }
2725
2726 /*
2727 * rt2860_asic_set_basicrates
2728 */
2729 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2730 {
2731 struct ieee80211com *ic;
2732
2733 ic = &sc->ic;
2734
2735 if (ic->ic_curmode == IEEE80211_MODE_11B)
2736 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2737 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2738 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2739 else
2740 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2741 }
2742
2743 /*
2744 * rt2860_asic_update_rtsthreshold
2745 */
2746 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2747 {
2748 struct ieee80211com *ic;
2749 uint32_t tmp;
2750 uint16_t threshold;
2751
2752 ic = &sc->ic;
2753
2754 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2755 "%s: updating RTS threshold: %d\n",
2756 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2757
2758 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2759
2760 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2761
2762 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
2763 ic->ic_rtsthreshold : 0x1000;
2764
2765 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2766 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2767
2768 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2769 }
2770
2771 /*
2772 * rt2860_asic_update_txpower
2773 */
2774 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2775 {
2776 struct ieee80211com *ic;
2777 uint32_t *txpow_rate;
2778 int8_t delta;
2779 uint8_t val;
2780 uint32_t tmp;
2781 int i;
2782
2783 ic = &sc->ic;
2784
2785 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2786 "%s: updating Tx power: %d\n",
2787 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
2788
2789 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
2790 {
2791 txpow_rate = sc->txpow_rate_20mhz;
2792 }
2793 else
2794 {
2795 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
2796 txpow_rate = sc->txpow_rate_40mhz_2ghz;
2797 else
2798 txpow_rate = sc->txpow_rate_40mhz_5ghz;
2799 }
2800
2801 delta = 0;
2802
2803 val = rt2860_io_bbp_read(sc, 1);
2804 val &= 0xfc;
2805
2806 if (ic->ic_txpowlimit > 90)
2807 {
2808 /* do nothing */
2809 }
2810 else if (ic->ic_txpowlimit > 60)
2811 {
2812 delta -= 1;
2813 }
2814 else if (ic->ic_txpowlimit > 30)
2815 {
2816 delta -= 3;
2817 }
2818 else if (ic->ic_txpowlimit > 15)
2819 {
2820 val |= 0x1;
2821 }
2822 else if (ic->ic_txpowlimit > 9)
2823 {
2824 val |= 0x1;
2825 delta -= 3;
2826 }
2827 else
2828 {
2829 val |= 0x2;
2830 }
2831
2832 rt2860_io_bbp_write(sc, 1, val);
2833
2834 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
2835 {
2836 if (txpow_rate[i] == 0xffffffff)
2837 continue;
2838
2839 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
2840
2841 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
2842 }
2843 }
2844
2845 /*
2846 * rt2860_asic_update_promisc
2847 */
2848 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
2849 {
2850 struct ifnet *ifp;
2851 uint32_t tmp;
2852
2853 ifp = sc->ic.ic_ifp;
2854
2855 printf("%s: %s promiscuous mode\n",
2856 device_get_nameunit(sc->dev),
2857 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
2858
2859 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
2860
2861 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
2862
2863 if (!(ifp->if_flags & IFF_PROMISC))
2864 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
2865
2866 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
2867 }
2868
2869 /*
2870 * rt2860_asic_updateprot
2871 */
2872 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
2873 {
2874 struct ieee80211com *ic;
2875 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
2876 uint8_t htopmode;
2877
2878 ic = &sc->ic;
2879
2880 /* CCK frame protection */
2881
2882 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2883 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
2884
2885 /* set up protection frame phy mode and rate (MCS code) */
2886
2887 if (ic->ic_curmode == IEEE80211_MODE_11A)
2888 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2889 (0 << RT2860_REG_PROT_MCS_SHIFT);
2890 else
2891 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2892 (3 << RT2860_REG_PROT_MCS_SHIFT));
2893
2894 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
2895
2896 /* OFDM frame protection */
2897
2898 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2899 RT2860_REG_TXOP_ALLOW_ALL;
2900
2901 if (ic->ic_flags & IEEE80211_F_USEPROT)
2902 {
2903 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2904 "%s: updating protection mode: b/g protection mode=%s\n",
2905 device_get_nameunit(sc->dev),
2906 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2907 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2908
2909 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2910 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2911 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2912 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
2913 else
2914 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2915 }
2916 else
2917 {
2918 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2919 "%s: updating protection mode: b/g protection mode=%s\n",
2920 device_get_nameunit(sc->dev), "none");
2921
2922 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2923 }
2924
2925 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
2926
2927 /* HT frame protection */
2928
2929 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
2930 htopmode = ic->ic_bss->ni_htopmode;
2931 else
2932 htopmode = ic->ic_curhtprotmode;
2933
2934 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2935 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
2936 device_get_nameunit(sc->dev),
2937 htopmode & IEEE80211_HTINFO_OPMODE,
2938 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2939 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2940
2941 switch (htopmode & IEEE80211_HTINFO_OPMODE)
2942 {
2943 /* IEEE80211_HTINFO_OPMODE_HT20PR */
2944 case IEEE80211_HTINFO_OPMODE_HT20PR:
2945 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
2946 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
2947 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
2948 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2949 (4 << RT2860_REG_PROT_MCS_SHIFT);
2950
2951 gf20_prot = mm20_prot;
2952
2953 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
2954 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2955 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
2956
2957 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
2958 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2959 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
2960 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
2961 else
2962 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
2963
2964 gf40_prot = mm40_prot;
2965 break;
2966
2967 /* IEEE80211_HTINFO_OPMODE_MIXED */
2968 case IEEE80211_HTINFO_OPMODE_MIXED:
2969 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
2970 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
2971 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
2972
2973 if (ic->ic_flags & IEEE80211_F_USEPROT)
2974 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2975 (3 << RT2860_REG_PROT_MCS_SHIFT);
2976 else
2977 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2978 (4 << RT2860_REG_PROT_MCS_SHIFT);
2979
2980 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
2981 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2982 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
2983 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
2984 else
2985 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
2986
2987 gf20_prot = mm20_prot;
2988
2989 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
2990
2991 if (ic->ic_flags & IEEE80211_F_USEPROT)
2992 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2993 (3 << RT2860_REG_PROT_MCS_SHIFT);
2994 else
2995 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2996 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
2997
2998 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
2999 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3000 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3001 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3002 else
3003 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3004
3005 gf40_prot = mm40_prot;
3006 break;
3007
3008 /*
3009 * IEEE80211_HTINFO_OPMODE_PURE
3010 * IEEE80211_HTINFO_OPMODE_PROTOPT
3011 */
3012 case IEEE80211_HTINFO_OPMODE_PURE:
3013 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3014 default:
3015 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3016 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3017 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3018 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3019 (4 << RT2860_REG_PROT_MCS_SHIFT);
3020
3021 gf20_prot = mm20_prot;
3022
3023 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3024 RT2860_REG_TXOP_ALLOW_ALL |
3025 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3026 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3027
3028 gf40_prot = mm40_prot;
3029 break;
3030 }
3031
3032 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3033 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3034 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3035 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3036 }
3037
3038 /*
3039 * rt2860_asic_updateslot
3040 */
3041 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3042 {
3043 struct ieee80211com *ic;
3044 uint32_t tmp;
3045
3046 ic = &sc->ic;
3047
3048 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3049 "%s: %s short slot time\n",
3050 device_get_nameunit(sc->dev),
3051 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3052
3053 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3054
3055 tmp &= ~0xff;
3056 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3057
3058 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3059 }
3060
3061 /*
3062 * rt2860_asic_wme_update
3063 */
3064 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3065 {
3066 struct ieee80211com *ic;
3067 struct ieee80211_wme_state *wme;
3068 const struct wmeParams *wmep;
3069 int i;
3070
3071 ic = &sc->ic;
3072 wme = &ic->ic_wme;
3073 wmep = wme->wme_chanParams.cap_wmeParams;
3074
3075 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3076 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3077 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3078 device_get_nameunit(sc->dev),
3079 wmep[WME_AC_VO].wmep_aifsn,
3080 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3081 wmep[WME_AC_VO].wmep_txopLimit,
3082 wmep[WME_AC_VI].wmep_aifsn,
3083 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3084 wmep[WME_AC_VI].wmep_txopLimit,
3085 wmep[WME_AC_BK].wmep_aifsn,
3086 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3087 wmep[WME_AC_BK].wmep_txopLimit,
3088 wmep[WME_AC_BE].wmep_aifsn,
3089 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3090 wmep[WME_AC_BE].wmep_txopLimit);
3091
3092 for (i = 0; i < WME_NUM_AC; i++)
3093 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3094 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3095 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3096
3097 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3098 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3099 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3100
3101 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3102 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3103 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3104
3105 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3106 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3107 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3108
3109 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3110 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3111
3112 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3113 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3114 }
3115
3116 /*
3117 * rt2860_asic_update_beacon
3118 */
3119 static int rt2860_asic_update_beacon(struct rt2860_softc *sc)
3120 {
3121 struct ieee80211com *ic;
3122 struct mbuf *m;
3123 struct rt2860_txwi txwi;
3124 uint8_t rate, mcs;
3125 uint32_t tmp;
3126
3127 ic = &sc->ic;
3128
3129 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3130 if (m == NULL)
3131 return ENOMEM;
3132
3133 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3134 mcs = rt2860_rate2mcs(rate);
3135
3136 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3137
3138 txwi.wcid = 0xff;
3139 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3140 RT2860_TXWI_MPDU_LEN_SHIFT);
3141 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3142 txwi.mpdu_density_flags |=
3143 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3144 txwi.bawin_size_xflags |=
3145 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3146
3147 if (rate == 2)
3148 {
3149 txwi.phymode_ifs_stbc_shortgi =
3150 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3151
3152 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3153 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3154 }
3155 else
3156 {
3157 txwi.phymode_ifs_stbc_shortgi =
3158 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3159 }
3160
3161 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3162 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3163
3164 /* disable temporarily TSF sync */
3165
3166 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3167
3168 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3169 RT2860_REG_TSF_TIMER_ENABLE |
3170 RT2860_REG_TBTT_TIMER_ENABLE);
3171
3172 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3173
3174 /* write Tx wireless info and beacon frame to on-chip memory */
3175
3176 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3177 &txwi, sizeof(struct rt2860_txwi));
3178
3179 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3180 mtod(m, uint8_t *), m->m_pkthdr.len);
3181
3182 /* enable again TSF sync */
3183
3184 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3185
3186 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3187 RT2860_REG_TSF_TIMER_ENABLE |
3188 RT2860_REG_TBTT_TIMER_ENABLE);
3189
3190 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3191
3192 m_freem(m);
3193
3194 return 0;
3195 }
3196
3197 /*
3198 * rt2860_asic_clear_keytables
3199 */
3200 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3201 {
3202 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3203
3204 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID(0), 0, 2 * 256);
3205
3206 /* clear WCID attribute table (entries = 256, entry size = 4) */
3207
3208 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3209
3210 /* clear IV/EIV table (entries = 256, entry size = 8) */
3211
3212 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3213
3214 /* clear pairwise key table (entries = 256, entry size = 32) */
3215
3216 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3217
3218 /* clear shared key table (entries = 32, entry size = 32) */
3219
3220 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3221
3222 /* clear shared key mode (entries = 32, entry size = 2) */
3223
3224 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3225 }
3226
3227 /*
3228 * rt2860_rxrate
3229 */
3230 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3231 {
3232 uint8_t mcs, phymode;
3233 uint8_t rate;
3234
3235 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3236 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3237 RT2860_RXWI_PHYMODE_MASK;
3238
3239 rate = 2;
3240
3241 switch (phymode)
3242 {
3243 case RT2860_RXWI_PHYMODE_CCK:
3244 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3245 {
3246 case 0: rate = 2; break; /* 1 Mbps */
3247 case 1: rate = 4; break; /* 2 MBps */
3248 case 2: rate = 11; break; /* 5.5 Mbps */
3249 case 3: rate = 22; break; /* 11 Mbps */
3250 }
3251 break;
3252
3253 case RT2860_RXWI_PHYMODE_OFDM:
3254 switch (mcs)
3255 {
3256 case 0: rate = 12; break; /* 6 Mbps */
3257 case 1: rate = 18; break; /* 9 Mbps */
3258 case 2: rate = 24; break; /* 12 Mbps */
3259 case 3: rate = 36; break; /* 18 Mbps */
3260 case 4: rate = 48; break; /* 24 Mbps */
3261 case 5: rate = 72; break; /* 36 Mbps */
3262 case 6: rate = 96; break; /* 48 Mbps */
3263 case 7: rate = 108; break; /* 54 Mbps */
3264 }
3265 break;
3266
3267 case RT2860_RXWI_PHYMODE_HT_MIXED:
3268 case RT2860_RXWI_PHYMODE_HT_GF:
3269 break;
3270 }
3271
3272 return rate;
3273 }
3274
3275 /*
3276 * rt2860_maxrssi_rxpath
3277 */
3278 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3279 const struct rt2860_rxwi *rxwi)
3280 {
3281 uint8_t rxpath;
3282
3283 rxpath = 0;
3284
3285 if (sc->nrxpath > 1)
3286 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3287 rxpath = 1;
3288
3289 if (sc->nrxpath > 2)
3290 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3291 rxpath = 2;
3292
3293 return rxpath;
3294 }
3295
3296 /*
3297 * rt2860_rssi2dbm
3298 */
3299 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3300 uint8_t rssi, uint8_t rxpath)
3301 {
3302 struct ieee80211com *ic;
3303 struct ieee80211_channel *c;
3304 int chan;
3305 int8_t rssi_off, lna_gain;
3306
3307 if (rssi == 0)
3308 return -99;
3309
3310 ic = &sc->ic;
3311 c = ic->ic_curchan;
3312 chan = ieee80211_chan2ieee(ic, c);
3313
3314 if (IEEE80211_IS_CHAN_5GHZ(c))
3315 {
3316 rssi_off = sc->rssi_off_5ghz[rxpath];
3317
3318 if (chan <= 64)
3319 lna_gain = sc->lna_gain[1];
3320 else if (chan <= 128)
3321 lna_gain = sc->lna_gain[2];
3322 else
3323 lna_gain = sc->lna_gain[3];
3324 }
3325 else
3326 {
3327 rssi_off = sc->rssi_off_2ghz[rxpath];
3328 lna_gain = sc->lna_gain[0];
3329 }
3330
3331 return (-12 - rssi_off - lna_gain - rssi);
3332 }
3333
3334 /*
3335 * rt2860_rate2mcs
3336 */
3337 static uint8_t rt2860_rate2mcs(uint8_t rate)
3338 {
3339 switch (rate)
3340 {
3341 /* CCK rates */
3342 case 2: return 0;
3343 case 4: return 1;
3344 case 11: return 2;
3345 case 22: return 3;
3346
3347 /* OFDM rates */
3348 case 12: return 0;
3349 case 18: return 1;
3350 case 24: return 2;
3351 case 36: return 3;
3352 case 48: return 4;
3353 case 72: return 5;
3354 case 96: return 6;
3355 case 108: return 7;
3356 }
3357
3358 return 0;
3359 }
3360
3361 /*
3362 * rt2860_ackrate
3363 */
3364 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3365 {
3366 switch (rate)
3367 {
3368 /* CCK rates */
3369
3370 case 2:
3371 return 2;
3372
3373 case 4:
3374 case 11:
3375 case 22:
3376 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3377
3378 /* OFDM rates */
3379
3380 case 12:
3381 case 18:
3382 return 12;
3383
3384 case 24:
3385 case 36:
3386 return 24;
3387
3388 case 48:
3389 case 72:
3390 case 96:
3391 case 108:
3392 return 48;
3393 }
3394
3395 /* default to 1Mbps */
3396 return 2;
3397 }
3398
3399 /*
3400 * rt2860_txtime
3401 */
3402 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3403 {
3404 uint16_t txtime;
3405
3406 if (RT2860_RATE_IS_OFDM(rate))
3407 {
3408 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3409 txtime = 16 + 4 + 4 * txtime + 6;
3410 }
3411 else
3412 {
3413 txtime = (16 * len + rate - 1) / rate;
3414
3415 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3416 txtime += 72 + 24;
3417 else
3418 txtime += 144 + 48;
3419 }
3420
3421 return txtime;
3422 }
3423
3424 /*
3425 * rt2860_tx_frame
3426 */
3427 static int rt2860_tx_frame(struct rt2860_softc *sc,
3428 struct mbuf *m, struct ieee80211_node *ni, int qid)
3429 {
3430 struct ieee80211com *ic;
3431 struct rt2860_softc_tx_ring *ring;
3432 struct rt2860_softc_tx_data *data;
3433 struct rt2860_txdesc *desc;
3434 struct rt2860_txwi *txwi;
3435 struct ieee80211_frame *wh;
3436 struct rt2860_softc_tx_radiotap_header *tap;
3437 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3438 u_int hdrsize, hdrspace;
3439 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, qsel;
3440 uint16_t qos, len, dmalen, mpdu_len, dur;
3441 int error, hasqos, ackrate, ndmasegs, ndescs, i, j;
3442
3443 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3444 ("%s: Tx frame: invalid qid=%d\n",
3445 device_get_nameunit(sc->dev), qid));
3446
3447 ic = &sc->ic;
3448
3449 ring = &sc->tx_ring[qid];
3450 desc = &ring->desc[ring->desc_cur];
3451 data = &ring->data[ring->data_cur];
3452 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3453
3454 wh = mtod(m, struct ieee80211_frame *);
3455
3456 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3457
3458 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3459 if (hasqos)
3460 {
3461 if (IEEE80211_HAS_ADDR4(wh))
3462 qos = le16toh(*(const uint16_t *)
3463 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3464 else
3465 qos = le16toh(*(const uint16_t *)
3466 (((struct ieee80211_qosframe *) wh)->i_qos));
3467 }
3468 else
3469 {
3470 qos = 0;
3471 }
3472
3473 if (ni->ni_flags & IEEE80211_NODE_HT)
3474 {
3475 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3476 rate = 0;
3477 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3478 rate = ic->ic_fixed_rate;
3479 else
3480 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3481 }
3482 else
3483 {
3484 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3485 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3486 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3487 rate = ic->ic_fixed_rate;
3488 else
3489 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3490 }
3491
3492 rate &= IEEE80211_RATE_VAL;
3493
3494 /* fill Tx wireless info */
3495
3496 if (ni->ni_flags & IEEE80211_NODE_HT)
3497 mcs = rate;
3498 else
3499 mcs = rt2860_rate2mcs(rate);
3500
3501 pid = mcs;
3502
3503 /* management frames do not need encryption */
3504
3505 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3506 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3507
3508 /* calculate MPDU length without padding */
3509
3510 hdrsize = ieee80211_hdrsize(wh);
3511 hdrspace = ieee80211_hdrspace(ic, wh);
3512 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3513
3514 memset(txwi, 0, sizeof(struct rt2860_txwi));
3515
3516 txwi->wcid = wcid;
3517
3518 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3519 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3520 RT2860_TXWI_MPDU_LEN_SHIFT);
3521
3522 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3523
3524 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3525 (ni->ni_flags & IEEE80211_NODE_HT);
3526
3527 txwi->phymode_ifs_stbc_shortgi |=
3528 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3529 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3530
3531 if (ni->ni_flags & IEEE80211_NODE_HT)
3532 {
3533 txwi->phymode_ifs_stbc_shortgi |=
3534 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3535 }
3536 else
3537 {
3538 if (!RT2860_RATE_IS_OFDM(rate))
3539 {
3540 txwi->phymode_ifs_stbc_shortgi |=
3541 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3542
3543 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3544 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3545 }
3546 else
3547 {
3548 txwi->phymode_ifs_stbc_shortgi |=
3549 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3550 }
3551 }
3552
3553 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
3554 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
3555 bw = RT2860_TXWI_BW_40;
3556 else
3557 bw = RT2860_TXWI_BW_20;
3558
3559 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
3560 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3561
3562 if (type != IEEE80211_FC0_TYPE_DATA)
3563 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3564 else
3565 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3566
3567 /* skip ACKs for multicast frames and probe responses */
3568
3569 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3570 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3571 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
3572 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
3573 {
3574 txwi->bawin_size_xflags |=
3575 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3576
3577 if (ni->ni_flags & IEEE80211_NODE_HT)
3578 {
3579 /* preamble + plcp + signal extension */
3580
3581 dur = 16 + 4 + 6;
3582 }
3583 else
3584 {
3585 ackrate = rt2860_ackrate(ic, rate);
3586
3587 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
3588 sc->sifs;
3589 }
3590
3591 *(uint16_t *) wh->i_dur = htole16(dur);
3592 }
3593
3594 /* ask MAC to insert timestamp into probe responses */
3595
3596 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3597 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3598 txwi->mpdu_density_flags |=
3599 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3600
3601 if (bpf_peers_present(sc->drvbpf))
3602 {
3603 tap = &sc->txtap;
3604
3605 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3606 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3607 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3608 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3609 tap->chan_maxpow = 0;
3610
3611 if (ni->ni_flags & IEEE80211_NODE_HT)
3612 tap->rate = mcs | IEEE80211_RATE_MCS;
3613 else
3614 tap->rate = rate;
3615
3616 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3617 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3618
3619 if (shortgi)
3620 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3621
3622 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3623 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3624
3625 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3626 {
3627 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3628
3629 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3630
3631 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3632 }
3633 else
3634 {
3635 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3636 }
3637 }
3638
3639 /* copy and trim 802.11 header */
3640
3641 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3642 m_adj(m, hdrspace);
3643
3644 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3645 dma_seg, &ndmasegs, 0);
3646 if (error != 0)
3647 {
3648 /* too many fragments, linearize */
3649
3650 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3651 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3652 device_get_nameunit(sc->dev));
3653
3654 m = m_defrag(m, M_DONTWAIT);
3655 if (m == NULL)
3656 return ENOMEM;
3657
3658 sc->tx_defrag_packets++;
3659
3660 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3661 dma_seg, &ndmasegs, 0);
3662 if (error != 0)
3663 {
3664 printf("%s: could not load mbuf DMA map: error=%d\n",
3665 device_get_nameunit(sc->dev), error);
3666 m_freem(m);
3667 return error;
3668 }
3669 }
3670
3671 /* determine how many Tx descs are required */
3672
3673 ndescs = 1 + ndmasegs / 2;
3674 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3675 {
3676 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3677 "%s: there are not enough Tx descs\n",
3678 device_get_nameunit(sc->dev));
3679
3680 sc->no_tx_desc_avail++;
3681
3682 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3683 m_freem(m);
3684 return EFBIG;
3685 }
3686
3687 data->m = m;
3688 data->ni = ni;
3689
3690 /* set up Tx descs */
3691
3692 /* first segment is Tx wireless info and 802.11 header */
3693
3694 len = sizeof(struct rt2860_txwi) + hdrsize;
3695
3696 /* align end on a 4-bytes boundary */
3697
3698 dmalen = (len + 3) & ~ 3;
3699
3700 memset((caddr_t) txwi + len, 0, dmalen - len);
3701
3702 qsel = RT2860_TXDESC_QSEL_EDCA;
3703
3704 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3705 desc->sdl0 = htole16(dmalen);
3706 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3707
3708 /* set up payload segments */
3709
3710 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3711 {
3712 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3713 desc->sdl1 = htole16(dma_seg[j].ds_len);
3714
3715 ring->desc_queued++;
3716 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3717
3718 j++;
3719
3720 desc = &ring->desc[ring->desc_cur];
3721
3722 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3723 desc->sdl0 = htole16(dma_seg[j].ds_len);
3724 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3725
3726 j++;
3727 }
3728
3729 /* finalize last payload segment */
3730
3731 if (i > 0)
3732 {
3733 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3734 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3735 }
3736 else
3737 {
3738 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3739 desc->sdl1 = 0;
3740 }
3741
3742 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3743 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3744 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3745 device_get_nameunit(sc->dev),
3746 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3747 bw, stbc, shortgi, mcs, dmalen, ndmasegs,
3748 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);
3749
3750 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3751 BUS_DMASYNC_PREWRITE);
3752 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3753 BUS_DMASYNC_PREWRITE);
3754 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3755 BUS_DMASYNC_PREWRITE);
3756
3757 ring->desc_queued++;
3758 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3759
3760 ring->data_queued++;
3761 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3762
3763 /* kick Tx */
3764
3765 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3766
3767 return 0;
3768 }
3769
3770 /*
3771 * rt2860_tx_raw
3772 */
3773 static int rt2860_tx_raw(struct rt2860_softc *sc,
3774 struct mbuf *m, struct ieee80211_node *ni,
3775 const struct ieee80211_bpf_params *params)
3776 {
3777 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3778 "%s: Tx raw\n",
3779 device_get_nameunit(sc->dev));
3780
3781 return 0;
3782 }
3783
3784 /*
3785 * rt2860_intr
3786 */
3787 static void rt2860_intr(void *arg)
3788 {
3789 struct rt2860_softc *sc;
3790 struct ifnet *ifp;
3791 uint32_t status;
3792
3793 sc = arg;
3794 ifp = sc->ifp;
3795
3796 /* acknowledge interrupts */
3797
3798 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
3799 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
3800
3801 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3802 "%s: interrupt: status = 0x%08x\n",
3803 device_get_nameunit(sc->dev), status);
3804
3805 if (status == 0xffffffff || /* device likely went away */
3806 status == 0) /* not for us */
3807 return;
3808
3809 sc->interrupts++;
3810
3811 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3812 return;
3813
3814 if (status & RT2860_REG_INT_TX_COHERENT)
3815 rt2860_tx_coherent_intr(sc);
3816
3817 if (status & RT2860_REG_INT_RX_COHERENT)
3818 rt2860_rx_coherent_intr(sc);
3819
3820 if (status & RT2860_REG_INT_TXRX_COHERENT)
3821 rt2860_txrx_coherent_intr(sc);
3822
3823 if (status & RT2860_REG_INT_FIFO_STA_FULL)
3824 rt2860_fifo_sta_full_intr(sc);
3825
3826 if (status & RT2860_REG_INT_TX_MGMT_DONE)
3827 rt2860_tx_intr(sc, 5);
3828
3829 if (status & RT2860_REG_INT_RX_DONE)
3830 rt2860_rx_intr(sc);
3831
3832 if (status & RT2860_REG_INT_RX_DELAY_DONE)
3833 rt2860_rx_delay_intr(sc);
3834
3835 if (status & RT2860_REG_INT_TX_HCCA_DONE)
3836 rt2860_tx_intr(sc, 4);
3837
3838 if (status & RT2860_REG_INT_TX_AC3_DONE)
3839 rt2860_tx_intr(sc, 3);
3840
3841 if (status & RT2860_REG_INT_TX_AC2_DONE)
3842 rt2860_tx_intr(sc, 2);
3843
3844 if (status & RT2860_REG_INT_TX_AC1_DONE)
3845 rt2860_tx_intr(sc, 1);
3846
3847 if (status & RT2860_REG_INT_TX_AC0_DONE)
3848 rt2860_tx_intr(sc, 0);
3849
3850 if (status & RT2860_REG_INT_TX_DELAY_DONE)
3851 rt2860_tx_delay_intr(sc);
3852
3853 if (status & RT2860_REG_INT_PRE_TBTT)
3854 rt2860_pre_tbtt_intr(sc);
3855
3856 if (status & RT2860_REG_INT_TBTT)
3857 rt2860_tbtt_intr(sc);
3858
3859 if (status & RT2860_REG_INT_MCU_CMD)
3860 rt2860_mcu_cmd_intr(sc);
3861
3862 if (status & RT2860_REG_INT_AUTO_WAKEUP)
3863 rt2860_auto_wakeup_intr(sc);
3864
3865 if (status & RT2860_REG_INT_GP_TIMER)
3866 rt2860_gp_timer_intr(sc);
3867 }
3868
3869 /*
3870 * rt2860_tx_coherent_intr
3871 */
3872 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
3873 {
3874 uint32_t tmp;
3875 int i;
3876
3877 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3878 "%s: Tx coherent interrupt\n",
3879 device_get_nameunit(sc->dev));
3880
3881 sc->tx_coherent_interrupts++;
3882
3883 /* restart DMA engine */
3884
3885 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3886
3887 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3888 RT2860_REG_RX_DMA_ENABLE |
3889 RT2860_REG_TX_DMA_ENABLE);
3890
3891 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3892
3893 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3894
3895 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3896 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
3897
3898 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3899 {
3900 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
3901 sc->tx_ring[i].desc_phys_addr);
3902 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
3903 RT2860_SOFTC_TX_RING_DESC_COUNT);
3904 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
3905 }
3906
3907 /* init Rx ring */
3908
3909 rt2860_reset_rx_ring(sc, &sc->rx_ring);
3910
3911 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
3912 sc->rx_ring.desc_phys_addr);
3913 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
3914 RT2860_SOFTC_RX_RING_DATA_COUNT);
3915 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
3916 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
3917
3918 rt2860_txrx_enable(sc);
3919 }
3920
3921 /*
3922 * rt2860_rx_coherent_intr
3923 */
3924 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
3925 {
3926 uint32_t tmp;
3927 int i;
3928
3929 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3930 "%s: Rx coherent interrupt\n",
3931 device_get_nameunit(sc->dev));
3932
3933 sc->rx_coherent_interrupts++;
3934
3935 /* restart DMA engine */
3936
3937 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3938
3939 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3940 RT2860_REG_RX_DMA_ENABLE |
3941 RT2860_REG_TX_DMA_ENABLE);
3942
3943 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3944
3945 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3946
3947 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3948 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
3949
3950 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3951 {
3952 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
3953 sc->tx_ring[i].desc_phys_addr);
3954 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
3955 RT2860_SOFTC_TX_RING_DESC_COUNT);
3956 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
3957 }
3958
3959 /* init Rx ring */
3960
3961 rt2860_reset_rx_ring(sc, &sc->rx_ring);
3962
3963 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
3964 sc->rx_ring.desc_phys_addr);
3965 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
3966 RT2860_SOFTC_RX_RING_DATA_COUNT);
3967 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
3968 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
3969
3970 rt2860_txrx_enable(sc);
3971 }
3972
3973 /*
3974 * rt2860_txrx_coherent_intr
3975 */
3976 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
3977 {
3978 uint32_t tmp;
3979 int i;
3980
3981 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3982 "%s: Tx/Rx coherent interrupt\n",
3983 device_get_nameunit(sc->dev));
3984
3985 sc->txrx_coherent_interrupts++;
3986
3987 /* restart DMA engine */
3988
3989 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3990
3991 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3992 RT2860_REG_RX_DMA_ENABLE |
3993 RT2860_REG_TX_DMA_ENABLE);
3994
3995 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3996
3997 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3998
3999 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4000 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4001
4002 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4003 {
4004 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4005 sc->tx_ring[i].desc_phys_addr);
4006 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4007 RT2860_SOFTC_TX_RING_DESC_COUNT);
4008 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4009 }
4010
4011 /* init Rx ring */
4012
4013 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4014
4015 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4016 sc->rx_ring.desc_phys_addr);
4017 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4018 RT2860_SOFTC_RX_RING_DATA_COUNT);
4019 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4020 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4021
4022 rt2860_txrx_enable(sc);
4023 }
4024
4025 /*
4026 * rt2860_fifo_sta_full_intr
4027 */
4028 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4029 {
4030 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4031 "%s: FIFO statistic full interrupt\n",
4032 device_get_nameunit(sc->dev));
4033
4034 sc->fifo_sta_full_interrupts++;
4035
4036 RT2860_SOFTC_LOCK(sc);
4037
4038 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4039 {
4040 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4041
4042 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4043 }
4044
4045 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4046
4047 RT2860_SOFTC_UNLOCK(sc);
4048 }
4049
4050 /*
4051 * rt2860_rx_intr
4052 */
4053 static void rt2860_rx_intr(struct rt2860_softc *sc)
4054 {
4055 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4056 "%s: Rx interrupt\n",
4057 device_get_nameunit(sc->dev));
4058
4059 sc->rx_interrupts++;
4060
4061 RT2860_SOFTC_LOCK(sc);
4062
4063 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4064 {
4065 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4066
4067 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4068 }
4069
4070 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4071
4072 RT2860_SOFTC_UNLOCK(sc);
4073 }
4074
4075 /*
4076 * rt2860_rx_delay_intr
4077 */
4078 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4079 {
4080 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4081 "%s: Rx delay interrupt\n",
4082 device_get_nameunit(sc->dev));
4083
4084 sc->rx_delay_interrupts++;
4085 }
4086
4087 /*
4088 * rt2860_tx_intr
4089 */
4090 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4091 {
4092 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4093 ("%s: Tx interrupt: invalid qid=%d\n",
4094 device_get_nameunit(sc->dev), qid));
4095
4096 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4097 "%s: Tx interrupt: qid=%d\n",
4098 device_get_nameunit(sc->dev), qid);
4099
4100 sc->tx_interrupts[qid]++;
4101
4102 RT2860_SOFTC_LOCK(sc);
4103
4104 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4105 {
4106 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4107
4108 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4109 }
4110
4111 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4112
4113 RT2860_SOFTC_UNLOCK(sc);
4114 }
4115
4116 /*
4117 * rt2860_tx_delay_intr
4118 */
4119 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4120 {
4121 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4122 "%s: Tx delay interrupt\n",
4123 device_get_nameunit(sc->dev));
4124
4125 sc->tx_delay_interrupts++;
4126 }
4127
4128 /*
4129 * rt2860_pre_tbtt_intr
4130 */
4131 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4132 {
4133 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4134 "%s: Pre-TBTT interrupt\n",
4135 device_get_nameunit(sc->dev));
4136
4137 sc->pre_tbtt_interrupts++;
4138 }
4139
4140 /*
4141 * rt2860_tbtt_intr
4142 */
4143 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4144 {
4145 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4146 "%s: TBTT interrupt\n",
4147 device_get_nameunit(sc->dev));
4148
4149 sc->tbtt_interrupts++;
4150 }
4151
4152 /*
4153 * rt2860_mcu_cmd_intr
4154 */
4155 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4156 {
4157 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4158 "%s: MCU command interrupt\n",
4159 device_get_nameunit(sc->dev));
4160
4161 sc->mcu_cmd_interrupts++;
4162 }
4163
4164 /*
4165 * rt2860_auto_wakeup_intr
4166 */
4167 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4168 {
4169 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4170 "%s: auto wakeup interrupt\n",
4171 device_get_nameunit(sc->dev));
4172
4173 sc->auto_wakeup_interrupts++;
4174 }
4175
4176 /*
4177 * rt2860_gp_timer_intr
4178 */
4179 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4180 {
4181 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4182 "%s: GP timer interrupt\n",
4183 device_get_nameunit(sc->dev));
4184
4185 sc->gp_timer_interrupts++;
4186 }
4187
4188 /*
4189 * rt2860_rx_done_task
4190 */
4191 static void rt2860_rx_done_task(void *context, int pending)
4192 {
4193 struct rt2860_softc *sc;
4194 struct ifnet *ifp;
4195 int again;
4196
4197 sc = context;
4198 ifp = sc->ifp;
4199
4200 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4201 "%s: Rx done task\n",
4202 device_get_nameunit(sc->dev));
4203
4204 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4205 return;
4206
4207 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4208
4209 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4210
4211 RT2860_SOFTC_LOCK(sc);
4212
4213 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4214 {
4215 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4216 "%s: Rx done task: scheduling again\n",
4217 device_get_nameunit(sc->dev));
4218
4219 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4220 }
4221 else
4222 {
4223 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4224 }
4225
4226 RT2860_SOFTC_UNLOCK(sc);
4227 }
4228
4229 /*
4230 * rt2860_tx_done_task
4231 */
4232 static void rt2860_tx_done_task(void *context, int pending)
4233 {
4234 struct rt2860_softc *sc;
4235 struct ifnet *ifp;
4236 uint32_t intr_mask;
4237 int i;
4238
4239 sc = context;
4240 ifp = sc->ifp;
4241
4242 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4243 "%s: Tx done task\n",
4244 device_get_nameunit(sc->dev));
4245
4246 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4247 return;
4248
4249 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4250 RT2860_REG_INT_TX_HCCA_DONE |
4251 RT2860_REG_INT_TX_AC3_DONE |
4252 RT2860_REG_INT_TX_AC2_DONE |
4253 RT2860_REG_INT_TX_AC1_DONE |
4254 RT2860_REG_INT_TX_AC0_DONE);
4255
4256 sc->intr_pending_mask &= ~intr_mask;
4257
4258 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4259 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4260
4261 sc->tx_timer = 0;
4262
4263 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4264
4265 RT2860_SOFTC_LOCK(sc);
4266
4267 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4268 (sc->intr_disable_mask & intr_mask));
4269
4270 if (sc->intr_pending_mask & intr_mask)
4271 {
4272 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4273 "%s: Tx done task: scheduling again\n",
4274 device_get_nameunit(sc->dev));
4275
4276 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4277 }
4278
4279 RT2860_SOFTC_UNLOCK(sc);
4280 }
4281
4282 /*
4283 * rt2860_fifo_sta_full_task
4284 */
4285 static void rt2860_fifo_sta_full_task(void *context, int pending)
4286 {
4287 struct rt2860_softc *sc;
4288 struct ifnet *ifp;
4289
4290 sc = context;
4291 ifp = sc->ifp;
4292
4293 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4294 "%s: FIFO statistic full task\n",
4295 device_get_nameunit(sc->dev));
4296
4297 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4298 return;
4299
4300 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4301
4302 rt2860_drain_fifo_stats(sc);
4303
4304 RT2860_SOFTC_LOCK(sc);
4305
4306 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4307 {
4308 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4309 "%s: FIFO statistic full task: scheduling again\n",
4310 device_get_nameunit(sc->dev));
4311
4312 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4313 }
4314 else
4315 {
4316 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4317 }
4318
4319 RT2860_SOFTC_UNLOCK(sc);
4320 }
4321
4322 /*
4323 * rt2860_periodic_task
4324 */
4325 static void rt2860_periodic_task(void *context, int pending)
4326 {
4327 struct rt2860_softc *sc;
4328 struct ifnet *ifp;
4329 struct ieee80211com *ic;
4330
4331 sc = context;
4332 ifp = sc->ifp;
4333 ic = &sc->ic;
4334
4335 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4336 "%s: periodic task: round=%lu\n",
4337 device_get_nameunit(sc->dev), sc->periodic_round);
4338
4339 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4340 return;
4341
4342 RT2860_SOFTC_LOCK(sc);
4343
4344 sc->periodic_round++;
4345
4346 rt2860_update_stats(sc);
4347
4348 if ((sc->periodic_round % 10) == 0)
4349 {
4350 rt2860_update_raw_counters(sc);
4351
4352 rt2860_watchdog(sc);
4353
4354 if (ic->ic_opmode == IEEE80211_M_STA)
4355 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4356 else
4357 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4358 }
4359
4360 RT2860_SOFTC_UNLOCK(sc);
4361
4362 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4363 }
4364
4365 /*
4366 * rt2860_rx_eof
4367 */
4368 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4369 {
4370 struct ieee80211com *ic;
4371 struct ifnet *ifp;
4372 struct ieee80211_frame *wh;
4373 struct ieee80211_node *ni;
4374 struct rt2860_softc_rx_radiotap_header *tap;
4375 struct rt2860_softc_rx_ring *ring;
4376 struct rt2860_rxdesc *desc;
4377 struct rt2860_softc_rx_data *data;
4378 struct rt2860_rxwi *rxwi;
4379 struct mbuf *m, *mnew;
4380 bus_dma_segment_t segs[1];
4381 uint32_t index, desc_flags;
4382 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4383 int8_t rssi_dbm;
4384 int error, nsegs, len, ampdu, amsdu, nframes;
4385
4386 ic = &sc->ic;
4387 ifp = sc->ifp;
4388 ring = &sc->rx_ring;
4389
4390 nframes = 0;
4391
4392 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4393 BUS_DMASYNC_POSTREAD);
4394
4395 while (limit != 0)
4396 {
4397 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4398 if (ring->cur == index)
4399 break;
4400
4401 desc = &ring->desc[ring->cur];
4402 desc_flags = le32toh(desc->flags);
4403 data = &ring->data[ring->cur];
4404
4405 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4406 break;
4407
4408 nframes++;
4409
4410 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4411 if (mnew == NULL)
4412 {
4413 sc->rx_mbuf_alloc_errors++;
4414 ifp->if_ierrors++;
4415 goto skip;
4416 }
4417
4418 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4419
4420 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4421 BUS_DMASYNC_POSTREAD);
4422 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4423
4424 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
4425 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4426 if (error != 0)
4427 {
4428 m_freem(mnew);
4429
4430 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
4431 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
4432 if (error != 0)
4433 panic("%s: could not load old Rx mbuf: error=%d\n",
4434 device_get_name(sc->dev), error);
4435
4436 sc->rx_mbuf_dmamap_errors++;
4437 ifp->if_ierrors++;
4438
4439 goto skip;
4440 }
4441
4442 KASSERT(nsegs == 1, ("%s: too many DMA segments"),
4443 device_get_name(sc->dev));
4444
4445 m = data->m;
4446
4447 data->m = mnew;
4448 desc->sdp0 = htole32(segs[0].ds_addr);
4449
4450 /* get Rx wireless info */
4451
4452 rxwi = mtod(m, struct rt2860_rxwi *);
4453 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4454 RT2860_RXWI_SIZE_MASK;
4455
4456 /* check for L2 padding between IEEE 802.11 frame header and body */
4457
4458 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4459 {
4460 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4461 "%s: L2 padding: len=%d\n",
4462 device_get_nameunit(sc->dev), len);
4463
4464 len += 2;
4465 }
4466
4467 m->m_pkthdr.rcvif = ifp;
4468 m->m_data = (caddr_t) (rxwi + 1);
4469 m->m_pkthdr.len = m->m_len = len;
4470
4471 /* check for crc errors */
4472
4473 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4474 {
4475 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4476 "%s: rxdesc: crc error\n",
4477 device_get_nameunit(sc->dev));
4478
4479 ifp->if_ierrors++;
4480
4481 if (!(ifp->if_flags & IFF_PROMISC))
4482 {
4483 m_freem(m);
4484 goto skip;
4485 }
4486 }
4487
4488 wh = (struct ieee80211_frame *) (rxwi + 1);
4489
4490 /* check for cipher errors */
4491
4492 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4493 {
4494 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4495 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4496 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4497 {
4498 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4499 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4500
4501 m->m_flags |= M_WEP;
4502 }
4503 else
4504 {
4505 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4506 "%s: rxdesc: cipher error=0x%02x\n",
4507 device_get_nameunit(sc->dev), cipher_err);
4508
4509 ifp->if_ierrors++;
4510
4511 if (!(ifp->if_flags & IFF_PROMISC))
4512 {
4513 m_free(m);
4514 goto skip;
4515 }
4516 }
4517 }
4518 else
4519 {
4520 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4521 {
4522 ifp->if_ierrors++;
4523
4524 if (!(ifp->if_flags & IFF_PROMISC))
4525 {
4526 m_free(m);
4527 goto skip;
4528 }
4529 }
4530 }
4531
4532 /* check for A-MPDU */
4533
4534 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4535 {
4536 m->m_flags |= M_AMPDU;
4537 ampdu = 1;
4538 }
4539 else
4540 {
4541 ampdu = 0;
4542 }
4543
4544 ant = rt2860_maxrssi_rxpath(sc, rxwi);
4545 rssi = rxwi->rssi[ant];
4546 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
4547 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4548 RT2860_RXWI_PHYMODE_MASK);
4549 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
4550 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
4551 RT2860_RXWI_SHORTGI_MASK);
4552 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
4553 amsdu = (desc_flags & RT2860_RXDESC_FLAGS_AMSDU);
4554
4555 if (bpf_peers_present(sc->drvbpf))
4556 {
4557 tap = &sc->rxtap;
4558
4559 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4560 tap->dbm_antsignal = rssi_dbm;
4561 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
4562 tap->antenna = ant;
4563 tap->antsignal = rssi;
4564 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4565 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4566 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4567 tap->chan_maxpow = 0;
4568
4569 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
4570 tap->rate = mcs | IEEE80211_RATE_MCS;
4571 else
4572 tap->rate = rt2860_rxrate(rxwi);
4573
4574 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
4575 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4576
4577 if (shortgi)
4578 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4579
4580 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4581 }
4582
4583 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4584 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4585 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4586 device_get_nameunit(sc->dev),
4587 len, phymode, bw, shortgi, mcs,
4588 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4589 rxwi->snr[0], rxwi->snr[1],
4590 rxwi->wcid, ampdu, amsdu);
4591
4592 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4593
4594 ieee80211_input(ic, m, ni, rssi_dbm - RT2860_NOISE_FLOOR, RT2860_NOISE_FLOOR, 0);
4595
4596 ieee80211_free_node(ni);
4597
4598 skip:
4599
4600 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
4601
4602 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4603 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4604
4605 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
4606
4607 limit--;
4608 }
4609
4610 if (ring->cur == 0)
4611 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4612 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4613 else
4614 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4615 ring->cur - 1);
4616
4617 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4618 "%s: Rx eof: nframes=%d\n",
4619 device_get_nameunit(sc->dev), nframes);
4620
4621 sc->rx_packets += nframes;
4622
4623 return (limit == 0);
4624 }
4625
4626 /*
4627 * rt2860_tx_eof
4628 */
4629 static void rt2860_tx_eof(struct rt2860_softc *sc,
4630 struct rt2860_softc_tx_ring *ring)
4631 {
4632 struct ifnet *ifp;
4633 struct rt2860_txdesc *desc;
4634 struct rt2860_softc_tx_data *data;
4635 uint32_t index;
4636 int ndescs, nframes;
4637
4638 ifp = sc->ifp;
4639
4640 ndescs = 0;
4641 nframes = 0;
4642
4643 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4644 BUS_DMASYNC_POSTREAD);
4645
4646 for (;;)
4647 {
4648 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
4649 if (ring->desc_next == index)
4650 break;
4651
4652 ndescs++;
4653
4654 rt2860_drain_fifo_stats(sc);
4655
4656 desc = &ring->desc[ring->desc_next];
4657
4658 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
4659 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
4660 {
4661 nframes++;
4662
4663 data = &ring->data[ring->data_next];
4664
4665 if (data->m->m_flags & M_TXCB)
4666 ieee80211_process_callback(data->ni, data->m, 0);
4667
4668 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4669 BUS_DMASYNC_POSTWRITE);
4670 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4671
4672 m_freem(data->m);
4673
4674 ieee80211_free_node(data->ni);
4675
4676 data->m = NULL;
4677 data->ni = NULL;
4678
4679 ifp->if_opackets++;
4680
4681 ring->data_queued--;
4682 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4683 }
4684
4685 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
4686
4687 ring->desc_queued--;
4688 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4689 }
4690
4691 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4692 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4693
4694 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4695 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
4696 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
4697 }
4698
4699 /*
4700 * rt2860_update_stats
4701 */
4702 static void rt2860_update_stats(struct rt2860_softc *sc)
4703 {
4704 struct ifnet *ifp;
4705 struct ieee80211com *ic;
4706 struct ieee80211_node *ni;
4707 uint16_t associd;
4708 uint8_t wcid;
4709 uint32_t stacnt[3];
4710 int txcnt, retrycnt, failcnt;
4711
4712 ifp = sc->ifp;
4713 ic = &sc->ic;
4714
4715 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4716 "%s: update statistic\n",
4717 device_get_nameunit(sc->dev));
4718
4719 rt2860_drain_fifo_stats(sc);
4720
4721 if (ic->ic_opmode == IEEE80211_M_STA)
4722 {
4723 ni = ic->ic_bss;
4724
4725 associd = (ni != NULL) ? ni->ni_associd : 0;
4726 wcid = RT2860_AID2WCID(associd);
4727
4728 /* read and clear Tx statistic registers */
4729
4730 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
4731 stacnt, sizeof(stacnt));
4732
4733 txcnt = le32toh(stacnt[1]) & 0xffff;
4734 retrycnt = le32toh(stacnt[1]) >> 16;
4735 failcnt = le32toh(stacnt[0]) & 0xffff;
4736
4737 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4738 "%s: update statistic: associd=0x%04x, txcnt=%d, retrycnt=%d, failcnt=%d\n",
4739 device_get_nameunit(sc->dev),
4740 associd, txcnt, retrycnt, failcnt);
4741
4742 ifp->if_oerrors += failcnt;
4743
4744 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
4745 txcnt + retrycnt + failcnt, txcnt + retrycnt, retrycnt + failcnt);
4746 }
4747 }
4748
4749 /*
4750 * rt2860_watchdog
4751 */
4752 static void rt2860_watchdog(struct rt2860_softc *sc)
4753 {
4754 uint32_t tmp;
4755 int ntries;
4756
4757 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4758
4759 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
4760 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4761 device_get_nameunit(sc->dev), tmp);
4762
4763 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
4764 {
4765 sc->tx_queue_not_empty[0]++;
4766
4767 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
4768
4769 for (ntries = 0; ntries < 10; ntries++)
4770 {
4771 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4772 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
4773 break;
4774
4775 DELAY(1);
4776 }
4777
4778 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4779 }
4780
4781 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
4782 {
4783 sc->tx_queue_not_empty[1]++;
4784
4785 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
4786
4787 for (ntries = 0; ntries < 10; ntries++)
4788 {
4789 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4790 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
4791 break;
4792
4793 DELAY(1);
4794 }
4795
4796 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4797 }
4798 }
4799
4800 /*
4801 * rt2860_drain_fifo_stats
4802 */
4803 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
4804 {
4805 struct ifnet *ifp;
4806 uint32_t stats;
4807 uint8_t wcid, mcs, pid;
4808 int ok, retrycnt;
4809
4810 ifp = sc->ic.ic_ifp;
4811
4812 /* drain Tx status FIFO (maxsize = 16) */
4813
4814 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
4815 RT2860_REG_TX_STA_FIFO_VALID)
4816 {
4817 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
4818 RT2860_REG_TX_STA_FIFO_WCID_MASK;
4819
4820 /* if no ACK was requested, no feedback is available */
4821
4822 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4823 continue;
4824
4825 /* update AMRR statistic */
4826
4827 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4828 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
4829 RT2860_REG_TX_STA_FIFO_MCS_MASK;
4830 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
4831 RT2860_REG_TX_STA_FIFO_PID_MASK;
4832 retrycnt = pid - mcs;
4833
4834 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4835 "%s: FIFO statistic: wcid=0x%02x, ok=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
4836 device_get_nameunit(sc->dev),
4837 wcid, ok, mcs, pid, retrycnt);
4838
4839 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
4840
4841 if (!ok)
4842 ifp->if_oerrors++;
4843 }
4844 }
4845
4846 /*
4847 * rt2860_update_raw_counters
4848 */
4849 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
4850 {
4851 uint32_t tmp;
4852
4853 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
4854
4855 sc->rx_crc_errors += tmp & 0xffff;
4856 sc->rx_phy_errors += tmp >> 16;
4857
4858 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
4859
4860 sc->rx_false_ccas += tmp & 0xffff;
4861 sc->rx_plcp_errors += tmp >> 16;
4862
4863 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
4864
4865 sc->rx_dup_packets += tmp & 0xffff;
4866 sc->rx_fifo_overflows += tmp >> 16;
4867 }
4868
4869 /*
4870 * rt2860_intr_enable
4871 */
4872 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
4873 {
4874 uint32_t tmp;
4875
4876 sc->intr_disable_mask &= ~intr_mask;
4877
4878 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
4879
4880 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
4881 }
4882
4883 /*
4884 * rt2860_intr_disable
4885 */
4886 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
4887 {
4888 uint32_t tmp;
4889
4890 sc->intr_disable_mask |= intr_mask;
4891
4892 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
4893
4894 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
4895 }
4896
4897 /*
4898 * rt2860_txrx_enable
4899 */
4900 static int rt2860_txrx_enable(struct rt2860_softc *sc)
4901 {
4902 struct ieee80211com *ic;
4903 struct ifnet *ifp;
4904 uint32_t tmp;
4905 int ntries;
4906
4907 ic = &sc->ic;
4908 ifp = ic->ic_ifp;
4909
4910 /* enable Tx/Rx DMA engine */
4911
4912 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
4913
4914 for (ntries = 0; ntries < 200; ntries++)
4915 {
4916 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4917 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
4918 break;
4919
4920 DELAY(1000);
4921 }
4922
4923 if (ntries == 200)
4924 {
4925 printf("%s: timeout waiting for DMA engine\n",
4926 device_get_nameunit(sc->dev));
4927 return -1;
4928 }
4929
4930 DELAY(50);
4931
4932 tmp |= RT2860_REG_TX_WB_DDONE |
4933 RT2860_REG_RX_DMA_ENABLE |
4934 RT2860_REG_TX_DMA_ENABLE |
4935 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
4936
4937 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4938
4939 /* set Rx filter */
4940
4941 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
4942 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
4943
4944 if (ic->ic_opmode != IEEE80211_M_MONITOR)
4945 {
4946 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
4947 RT2860_REG_RX_FILTER_DROP_CTS |
4948 RT2860_REG_RX_FILTER_DROP_BA |
4949 RT2860_REG_RX_FILTER_DROP_ACK |
4950 RT2860_REG_RX_FILTER_DROP_VER_ERR |
4951 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
4952 RT2860_REG_RX_FILTER_DROP_CFACK |
4953 RT2860_REG_RX_FILTER_DROP_CFEND;
4954
4955 if (ic->ic_opmode == IEEE80211_M_STA)
4956 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
4957 RT2860_REG_RX_FILTER_DROP_PSPOLL;
4958
4959 if (!(ifp->if_flags & IFF_PROMISC))
4960 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
4961 }
4962
4963 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
4964
4965 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
4966 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
4967
4968 return 0;
4969 }
4970
4971 /*
4972 * rt2860_alloc_rx_ring
4973 */
4974 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
4975 struct rt2860_softc_rx_ring *ring)
4976 {
4977 struct rt2860_rxdesc *desc;
4978 struct rt2860_softc_rx_data *data;
4979 bus_dma_segment_t segs[1];
4980 int i, nsegs, error;
4981
4982 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
4983 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
4984 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
4985 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
4986 0, NULL, NULL, &ring->desc_dma_tag);
4987 if (error != 0)
4988 {
4989 printf("%s: could not create Rx desc DMA tag\n",
4990 device_get_nameunit(sc->dev));
4991 goto fail;
4992 }
4993
4994 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
4995 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
4996 if (error != 0)
4997 {
4998 printf("%s: could not allocate Rx desc DMA memory\n",
4999 device_get_nameunit(sc->dev));
5000 goto fail;
5001 }
5002
5003 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5004 ring->desc,
5005 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5006 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5007 if (error != 0)
5008 {
5009 printf("%s: could not load Rx desc DMA map\n",
5010 device_get_nameunit(sc->dev));
5011 goto fail;
5012 }
5013
5014 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 1, 0,
5015 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5016 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5017 &ring->data_dma_tag);
5018 if (error != 0)
5019 {
5020 printf("%s: could not create Rx data DMA tag\n",
5021 device_get_nameunit(sc->dev));
5022 goto fail;
5023 }
5024
5025 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5026 {
5027 desc = &ring->desc[i];
5028 data = &ring->data[i];
5029
5030 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5031 if (error != 0)
5032 {
5033 printf("%s: could not create Rx data DMA map\n",
5034 device_get_nameunit(sc->dev));
5035 goto fail;
5036 }
5037
5038 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5039 if (data->m == NULL)
5040 {
5041 printf("%s: could not allocate Rx mbuf\n",
5042 device_get_nameunit(sc->dev));
5043 error = ENOMEM;
5044 goto fail;
5045 }
5046
5047 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5048
5049 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5050 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5051 if (error != 0)
5052 {
5053 printf("%s: could not load Rx mbuf DMA map\n",
5054 device_get_nameunit(sc->dev));
5055 goto fail;
5056 }
5057
5058 KASSERT(nsegs == 1, ("%s: too many DMA segments"),
5059 device_get_name(sc->dev));
5060
5061 desc->sdp0 = htole32(segs[0].ds_addr);
5062 desc->sdl0 = htole16(MJUMPAGESIZE);
5063 }
5064
5065 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5066 BUS_DMASYNC_PREWRITE);
5067
5068 return 0;
5069
5070 fail:
5071
5072 rt2860_free_rx_ring(sc, ring);
5073
5074 return error;
5075 }
5076
5077 /*
5078 * rt2860_reset_rx_ring
5079 */
5080 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5081 struct rt2860_softc_rx_ring *ring)
5082 {
5083 struct rt2860_rxdesc *desc;
5084 int i;
5085
5086 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5087 {
5088 desc = &ring->desc[i];
5089
5090 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5091 }
5092
5093 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5094 BUS_DMASYNC_PREWRITE);
5095
5096 ring->cur = 0;
5097 }
5098
5099 /*
5100 * rt2860_free_rx_ring
5101 */
5102 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5103 struct rt2860_softc_rx_ring *ring)
5104 {
5105 struct rt2860_softc_rx_data *data;
5106 int i;
5107
5108 if (ring->desc != NULL)
5109 {
5110 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5111 BUS_DMASYNC_POSTWRITE);
5112 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5113 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5114 ring->desc_dma_map);
5115 }
5116
5117 if (ring->desc_dma_tag != NULL)
5118 bus_dma_tag_destroy(ring->desc_dma_tag);
5119
5120 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5121 {
5122 data = &ring->data[i];
5123
5124 if (data->m != NULL)
5125 {
5126 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5127 BUS_DMASYNC_POSTREAD);
5128 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5129 m_freem(data->m);
5130 }
5131
5132 if (data->dma_map != NULL)
5133 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5134 }
5135
5136 if (ring->data_dma_tag != NULL)
5137 bus_dma_tag_destroy(ring->data_dma_tag);
5138 }
5139
5140 /*
5141 * rt2860_alloc_tx_ring
5142 */
5143 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5144 struct rt2860_softc_tx_ring *ring, int qid)
5145 {
5146 struct rt2860_softc_tx_data *data;
5147 int error, i;
5148
5149 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5150 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5151 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5152 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5153 0, NULL, NULL, &ring->desc_dma_tag);
5154 if (error != 0)
5155 {
5156 printf("%s: could not create Tx desc DMA tag\n",
5157 device_get_nameunit(sc->dev));
5158 goto fail;
5159 }
5160
5161 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5162 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5163 if (error != 0)
5164 {
5165 printf("%s: could not allocate Tx desc DMA memory\n",
5166 device_get_nameunit(sc->dev));
5167 goto fail;
5168 }
5169
5170 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5171 ring->desc,
5172 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5173 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5174 if (error != 0)
5175 {
5176 printf("%s: could not load Tx desc DMA map\n",
5177 device_get_nameunit(sc->dev));
5178 goto fail;
5179 }
5180
5181 ring->desc_queued = 0;
5182 ring->desc_cur = 0;
5183 ring->desc_next = 0;
5184
5185 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5186 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5187 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5188 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5189 0, NULL, NULL, &ring->seg0_dma_tag);
5190 if (error != 0)
5191 {
5192 printf("%s: could not create Tx seg0 DMA tag\n",
5193 device_get_nameunit(sc->dev));
5194 goto fail;
5195 }
5196
5197 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5198 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5199 if (error != 0)
5200 {
5201 printf("%s: could not allocate Tx seg0 DMA memory\n",
5202 device_get_nameunit(sc->dev));
5203 goto fail;
5204 }
5205
5206 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5207 ring->seg0,
5208 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5209 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5210 if (error != 0)
5211 {
5212 printf("%s: could not load Tx seg0 DMA map\n",
5213 device_get_nameunit(sc->dev));
5214 goto fail;
5215 }
5216
5217 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 1, 0,
5218 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5219 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5220 &ring->data_dma_tag);
5221 if (error != 0)
5222 {
5223 printf("%s: could not create Tx data DMA tag\n",
5224 device_get_nameunit(sc->dev));
5225 goto fail;
5226 }
5227
5228 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5229 {
5230 data = &ring->data[i];
5231
5232 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5233 if (error != 0)
5234 {
5235 printf("%s: could not create Tx data DMA map\n",
5236 device_get_nameunit(sc->dev));
5237 goto fail;
5238 }
5239 }
5240
5241 ring->data_queued = 0;
5242 ring->data_cur = 0;
5243 ring->data_next = 0;
5244
5245 ring->qid = qid;
5246
5247 return 0;
5248
5249 fail:
5250
5251 rt2860_free_tx_ring(sc, ring);
5252
5253 return error;
5254 }
5255
5256 /*
5257 * rt2860_reset_tx_ring
5258 */
5259 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5260 struct rt2860_softc_tx_ring *ring)
5261 {
5262 struct rt2860_softc_tx_data *data;
5263 struct rt2860_txdesc *desc;
5264 int i;
5265
5266 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5267 {
5268 desc = &ring->desc[i];
5269
5270 desc->sdl0 = 0;
5271 desc->sdl1 = 0;
5272 }
5273
5274 ring->desc_queued = 0;
5275 ring->desc_cur = 0;
5276 ring->desc_next = 0;
5277
5278 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5279 BUS_DMASYNC_PREWRITE);
5280
5281 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5282 BUS_DMASYNC_PREWRITE);
5283
5284 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5285 {
5286 data = &ring->data[i];
5287
5288 if (data->m != NULL)
5289 {
5290 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5291 BUS_DMASYNC_POSTWRITE);
5292 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5293 m_freem(data->m);
5294 data->m = NULL;
5295 }
5296
5297 if (data->ni != NULL)
5298 {
5299 ieee80211_free_node(data->ni);
5300 data->ni = NULL;
5301 }
5302 }
5303
5304 ring->data_queued = 0;
5305 ring->data_cur = 0;
5306 ring->data_next = 0;
5307 }
5308
5309 /*
5310 * rt2860_free_tx_ring
5311 */
5312 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5313 struct rt2860_softc_tx_ring *ring)
5314 {
5315 struct rt2860_softc_tx_data *data;
5316 int i;
5317
5318 if (ring->desc != NULL)
5319 {
5320 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5321 BUS_DMASYNC_POSTWRITE);
5322 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5323 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5324 ring->desc_dma_map);
5325 }
5326
5327 if (ring->desc_dma_tag != NULL)
5328 bus_dma_tag_destroy(ring->desc_dma_tag);
5329
5330 if (ring->seg0 != NULL)
5331 {
5332 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5333 BUS_DMASYNC_POSTWRITE);
5334 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5335 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5336 ring->seg0_dma_map);
5337 }
5338
5339 if (ring->seg0_dma_tag != NULL)
5340 bus_dma_tag_destroy(ring->seg0_dma_tag);
5341
5342 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5343 {
5344 data = &ring->data[i];
5345
5346 if (data->m != NULL)
5347 {
5348 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5349 BUS_DMASYNC_POSTWRITE);
5350 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5351 m_freem(data->m);
5352 }
5353
5354 if (data->ni != NULL)
5355 ieee80211_free_node(data->ni);
5356
5357 if (data->dma_map != NULL)
5358 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5359 }
5360
5361 if (ring->data_dma_tag != NULL)
5362 bus_dma_tag_destroy(ring->data_dma_tag);
5363 }
5364
5365 /*
5366 * rt2860_dma_map_addr
5367 */
5368 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5369 int nseg, int error)
5370 {
5371 if (error != 0)
5372 return;
5373
5374 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5375
5376 *(bus_addr_t *) arg = segs[0].ds_addr;
5377 }
5378
5379 /*
5380 * rt2860_sysctl_attach
5381 */
5382 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5383 {
5384 struct sysctl_ctx_list *ctx;
5385 struct sysctl_oid *tree;
5386 struct sysctl_oid *stats;
5387
5388 ctx = device_get_sysctl_ctx(sc->dev);
5389 tree = device_get_sysctl_tree(sc->dev);
5390
5391 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5392 "stats", CTLFLAG_RD, 0, "statistic");
5393
5394 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5395 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5396 "all interrupts");
5397
5398 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5399 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5400 "Tx coherent interrupts");
5401
5402 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5403 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5404 "Rx coherent interrupts");
5405
5406 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5407 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5408 "Tx/Rx coherent interrupts");
5409
5410 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5411 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5412 "FIFO statistic full interrupts");
5413
5414 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5415 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5416 "Rx interrupts");
5417
5418 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5419 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5420 "Rx delay interrupts");
5421
5422 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5423 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5424 "Tx MGMT interrupts");
5425
5426 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5427 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5428 "Tx HCCA interrupts");
5429
5430 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5431 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5432 "Tx AC3 interrupts");
5433
5434 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5435 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5436 "Tx AC2 interrupts");
5437
5438 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5439 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5440 "Tx AC1 interrupts");
5441
5442 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5443 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5444 "Tx AC0 interrupts");
5445
5446 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5447 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5448 "Tx delay interrupts");
5449
5450 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5451 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5452 "Pre-TBTT interrupts");
5453
5454 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5455 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5456 "TBTT interrupts");
5457
5458 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5459 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5460 "MCU command interrupts");
5461
5462 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5463 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5464 "auto wakeup interrupts");
5465
5466 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5467 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5468 "GP timer interrupts");
5469
5470 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5471 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5472 "Tx MGMT descriptors queued");
5473
5474 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5475 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5476 "Tx MGMT data queued");
5477
5478 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5479 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5480 "Tx HCCA descriptors queued");
5481
5482 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5483 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5484 "Tx HCCA data queued");
5485
5486 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5487 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5488 "Tx AC3 descriptors queued");
5489
5490 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5491 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5492 "Tx AC3 data queued");
5493
5494 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5495 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5496 "Tx AC2 descriptors queued");
5497
5498 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5499 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5500 "Tx AC2 data queued");
5501
5502 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5503 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5504 "Tx AC1 descriptors queued");
5505
5506 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5507 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5508 "Tx AC1 data queued");
5509
5510 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5511 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5512 "Tx AC0 descriptors queued");
5513
5514 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5515 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5516 "Tx AC0 data queued");
5517
5518 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5519 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5520 "Tx watchdog timeouts");
5521
5522 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5523 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
5524 "Tx defragmented packets");
5525
5526 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5527 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
5528 "no Tx descriptors available");
5529
5530 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5531 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5532 "Rx mbuf allocation errors");
5533
5534 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5535 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
5536 "Rx mbuf DMA mapping errors");
5537
5538 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5539 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5540 "Tx queue 0 not empty");
5541
5542 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5543 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5544 "Tx queue 1 not empty");
5545
5546 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5547 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5548 "Rx packets");
5549
5550 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5551 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5552 "Rx CRC errors");
5553
5554 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5555 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5556 "Rx PHY errors");
5557
5558 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5559 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5560 "Rx false CCAs");
5561
5562 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5563 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5564 "Rx PLCP errors");
5565
5566 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5567 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5568 "Rx duplicate packets");
5569
5570 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5571 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5572 "Rx FIFO overflows");
5573 }
5574
5575 static device_method_t rt2860_dev_methods[] =
5576 {
5577 DEVMETHOD(device_probe, rt2860_probe),
5578 DEVMETHOD(device_attach, rt2860_attach),
5579 DEVMETHOD(device_detach, rt2860_detach),
5580 DEVMETHOD(device_shutdown, rt2860_shutdown),
5581 DEVMETHOD(device_suspend, rt2860_suspend),
5582 DEVMETHOD(device_resume, rt2860_resume),
5583 { 0, 0 }
5584 };
5585
5586 static driver_t rt2860_driver =
5587 {
5588 "rt2860",
5589 rt2860_dev_methods,
5590 sizeof(struct rt2860_softc)
5591 };
5592
5593 static devclass_t rt2860_dev_class;
5594
5595 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
5596
5597 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
5598 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860