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Do not use ShortGI and STBC with management frames; Atheros cards have problems with...
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blob279f68807b3a238f0b1478c836318177ecadb09f
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_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22)
49
50 #define RT2860_ACK_SIZE 14
51
52 #define IEEE80211_HAS_ADDR4(wh) \
53 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
54
55 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
56 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
57
58 #define RT2860_TX_WATCHDOG_TIMEOUT 5
59
60 #define RT2860_WCID_RESERVED 0xff
61 #define RT2860_WCID_MCAST 0xf7
62
63 /*
64 * Data structures and types
65 */
66
67 struct rt2860_pci_ident
68 {
69 uint16_t vendor;
70 uint16_t device;
71 const char *name;
72 };
73
74 /*
75 * Static function prototypes
76 */
77
78 static int rt2860_probe(device_t dev);
79
80 static int rt2860_attach(device_t dev);
81
82 static int rt2860_detach(device_t dev);
83
84 static int rt2860_shutdown(device_t dev);
85
86 static int rt2860_suspend(device_t dev);
87
88 static int rt2860_resume(device_t dev);
89
90 static void rt2860_init_channels(struct rt2860_softc *sc);
91
92 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
93
94 static void rt2860_init_locked(void *priv);
95
96 static void rt2860_init(void *priv);
97
98 static int rt2860_init_bbp(struct rt2860_softc *sc);
99
100 static void rt2860_stop_locked(void *priv);
101
102 static void rt2860_stop(void *priv);
103
104 static void rt2860_start(struct ifnet *ifp);
105
106 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
107
108 static int rt2860_reset(struct ifnet *ifp);
109
110 static int rt2860_newstate(struct ieee80211com *ic,
111 enum ieee80211_state nstate, int arg);
112
113 static void rt2860_scan_start(struct ieee80211com *ic);
114
115 static void rt2860_scan_end(struct ieee80211com *ic);
116
117 static void rt2860_set_channel(struct ieee80211com *ic);
118
119 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
120
121 static void rt2860_updateslot(struct ifnet *ifp);
122
123 static int rt2860_wme_update(struct ieee80211com *ic);
124
125 static void rt2860_update_beacon(struct ieee80211com *ic, int what);
126
127 static void rt2860_key_update_begin(struct ieee80211com *ic);
128
129 static void rt2860_key_update_end(struct ieee80211com *ic);
130
131 static int rt2860_key_set(struct ieee80211com *ic,
132 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
133
134 static int rt2860_key_delete(struct ieee80211com *ic,
135 const struct ieee80211_key *k);
136
137 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
138 const struct ieee80211_bpf_params *params);
139
140 static int rt2860_media_change(struct ifnet *ifp);
141
142 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211_node_table *nt);
143
144 static void rt2860_node_cleanup(struct ieee80211_node *ni);
145
146 static void rt2860_recv_action(struct ieee80211_node *ni,
147 const uint8_t *frm, const uint8_t *efrm);
148
149 static int rt2860_send_action(struct ieee80211_node *ni,
150 int category, int action, uint16_t args[4]);
151
152 static int rt2860_addba_response(struct ieee80211_node *ni,
153 struct ieee80211_tx_ampdu *tap,
154 int status, int baparamset, int batimeout);
155
156 static void rt2860_addba_stop(struct ieee80211_node *ni,
157 struct ieee80211_tx_ampdu *tap);
158
159 static int rt2860_send_bar(struct ieee80211_node *ni,
160 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno);
161
162 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
163
164 static void rt2860_periodic(void *arg);
165
166 static void rt2860_tx_watchdog(void *arg);
167
168 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid);
169
170 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid);
171
172 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
173 const uint8_t *bssid);
174
175 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
176 const uint8_t *addr);
177
178 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
179
180 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
181
182 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
183
184 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
185
186 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
187
188 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
189
190 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
191
192 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
193
194 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
195
196 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
197
198 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
199
200 static void rt2860_asic_update_beacon(struct rt2860_softc *sc);
201
202 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
203
204 static void rt2860_asic_add_ba_session(struct rt2860_softc *sc,
205 uint8_t wcid, int tid);
206
207 static void rt2860_asic_del_ba_session(struct rt2860_softc *sc,
208 uint8_t wcid, int tid);
209
210 static int rt2860_beacon_alloc(struct rt2860_softc *sc);
211
212 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
213
214 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
215 const struct rt2860_rxwi *rxwi);
216
217 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
218 uint8_t rssi, uint8_t rxpath);
219
220 static uint8_t rt2860_rate2mcs(uint8_t rate);
221
222 static int rt2860_ackrate(struct ieee80211com *ic, int rate);
223
224 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags);
225
226 static int rt2860_tx_frame(struct rt2860_softc *sc,
227 struct mbuf *m, struct ieee80211_node *ni, int qid);
228
229 static int rt2860_tx_raw(struct rt2860_softc *sc,
230 struct mbuf *m, struct ieee80211_node *ni,
231 const struct ieee80211_bpf_params *params);
232
233 static void rt2860_intr(void *arg);
234
235 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
236
237 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
238
239 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
240
241 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
242
243 static void rt2860_rx_intr(struct rt2860_softc *sc);
244
245 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
246
247 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
248
249 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
250
251 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
252
253 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
254
255 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
256
257 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
258
259 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
260
261 static void rt2860_rx_done_task(void *context, int pending);
262
263 static void rt2860_tx_done_task(void *context, int pending);
264
265 static void rt2860_fifo_sta_full_task(void *context, int pending);
266
267 static void rt2860_periodic_task(void *context, int pending);
268
269 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
270
271 static void rt2860_tx_eof(struct rt2860_softc *sc,
272 struct rt2860_softc_tx_ring *ring);
273
274 static void rt2860_update_stats(struct rt2860_softc *sc);
275
276 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
277
278 static void rt2860_watchdog(struct rt2860_softc *sc);
279
280 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
281
282 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
283
284 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
285
286 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
287
288 static int rt2860_txrx_enable(struct rt2860_softc *sc);
289
290 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
291 struct rt2860_softc_rx_ring *ring);
292
293 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
294 struct rt2860_softc_rx_ring *ring);
295
296 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
297 struct rt2860_softc_rx_ring *ring);
298
299 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
300 struct rt2860_softc_tx_ring *ring, int qid);
301
302 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
303 struct rt2860_softc_tx_ring *ring);
304
305 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
306 struct rt2860_softc_tx_ring *ring);
307
308 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
309 int nseg, int error);
310
311 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
312
313 /*
314 * Static variables
315 */
316
317 static const struct rt2860_pci_ident rt2860_pci_ids[] =
318 {
319 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
320 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
321 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
322 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
323 { 0, 0, NULL }
324 };
325
326 static const struct
327 {
328 uint32_t reg;
329 uint32_t val;
330 } rt2860_def_mac[] =
331 {
332 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
333 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
334 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
335 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
336 { RT2860_REG_SYS_CTRL, 0x00000000 },
337 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
338 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
339 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
340 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
341 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
342 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
343 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
344 { RT2860_REG_LED_CFG, 0x7f031e46 },
345 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
346 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
347 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
348 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
349 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
350 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
351 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
352 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
353 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
354 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
355 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
356 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
357 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
358 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
359 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
360 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
361 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
362 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
363 };
364
365 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
366
367 static const struct
368 {
369 uint8_t reg;
370 uint8_t val;
371 } rt2860_def_bbp[] =
372 {
373 { 65, 0x2c },
374 { 66, 0x38 },
375 { 69, 0x12 },
376 { 70, 0x0a },
377 { 73, 0x10 },
378 { 81, 0x37 },
379 { 82, 0x62 },
380 { 83, 0x6a },
381 { 84, 0x99 },
382 { 86, 0x00 },
383 { 91, 0x04 },
384 { 92, 0x00 },
385 { 103, 0x00 },
386 { 105, 0x05 },
387 { 106, 0x35 },
388 };
389
390 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
391
392 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
393
394 static int rt2860_tx_stbc = 1;
395 SYSCTL_INT(_hw_rt2860, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2860_tx_stbc, 0, "RT2860 Tx STBC");
396 TUNABLE_INT("hw.rt2860.tx_stbc", &rt2860_tx_stbc);
397
398 #ifdef RT2860_DEBUG
399 static int rt2860_debug = 0;
400 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "RT2860 debug level");
401 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
402 #endif
403
404 /*
405 * rt2860_probe
406 */
407 static int rt2860_probe(device_t dev)
408 {
409 const struct rt2860_pci_ident *ident;
410
411 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
412 {
413 if (pci_get_vendor(dev) == ident->vendor &&
414 pci_get_device(dev) == ident->device)
415 {
416 device_set_desc(dev, ident->name);
417 return 0;
418 }
419 }
420
421 return ENXIO;
422 }
423
424 /*
425 * rt2860_attach
426 */
427 static int rt2860_attach(device_t dev)
428 {
429 struct rt2860_softc *sc;
430 struct ifnet *ifp;
431 struct ieee80211com *ic;
432 int error, ntries, i;
433
434 sc = device_get_softc(dev);
435
436 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
437 {
438 printf("%s: chip is in D%d power mode, setting to D0\n",
439 device_get_nameunit(dev), pci_get_powerstate(dev));
440 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
441 }
442
443 /* enable bus-mastering */
444
445 pci_enable_busmaster(dev);
446
447 sc->dev = dev;
448
449 mtx_init(&sc->lock, device_get_nameunit(dev),
450 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
451
452 sc->mem_rid = PCIR_BAR(0);
453 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
454 &sc->mem_rid, RF_ACTIVE);
455 if (sc->mem == NULL)
456 {
457 printf("%s: could not allocate memory resource\n",
458 device_get_nameunit(dev));
459 error = ENXIO;
460 goto fail;
461 }
462
463 sc->bst = rman_get_bustag(sc->mem);
464 sc->bsh = rman_get_bushandle(sc->mem);
465
466 sc->irq_rid = 0;
467 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
468 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
469 if (sc->irq == NULL)
470 {
471 printf("%s: could not allocate interrupt resource\n",
472 device_get_nameunit(dev));
473 error = ENXIO;
474 goto fail;
475 }
476
477 sc->tx_stbc = rt2860_tx_stbc;
478
479 #ifdef RT2860_DEBUG
480 sc->debug = rt2860_debug;
481
482 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
483 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
484 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
485 #endif
486
487 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
488 "%s: attaching\n",
489 device_get_nameunit(sc->dev));
490
491 /* wait for NIC to initialize */
492
493 for (ntries = 0; ntries < 100; ntries++)
494 {
495 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
496 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
497 break;
498
499 DELAY(10);
500 }
501
502 if (ntries == 100)
503 {
504 printf("%s: timeout waiting for NIC to initialize\n",
505 device_get_nameunit(dev));
506 error = EIO;
507 goto fail;
508 }
509
510 rt2860_read_eeprom(sc);
511
512 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
513 device_get_nameunit(sc->dev), sc->mac_rev,
514 rt2860_rf_name(sc->rf_rev));
515
516 /* clear key tables */
517
518 rt2860_asic_clear_keytables(sc);
519
520 /* allocate Tx and Rx rings */
521
522 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
523 {
524 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
525 if (error != 0)
526 {
527 printf("%s: could not allocate Tx ring #%d\n",
528 device_get_nameunit(sc->dev), i);
529 goto fail;
530 }
531 }
532
533 sc->tx_ring_mgtqid = 5;
534
535 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
536 if (error != 0)
537 {
538 printf("%s: could not allocate Rx ring\n",
539 device_get_nameunit(sc->dev));
540 goto fail;
541 }
542
543 callout_init(&sc->periodic_ch, 0);
544 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
545
546 ifp = sc->ifp = if_alloc(IFT_ETHER);
547 if (ifp == NULL)
548 {
549 printf("%s: could not if_alloc()\n",
550 device_get_nameunit(sc->dev));
551 error = ENOMEM;
552 goto fail;
553 }
554
555 ifp->if_softc = sc;
556
557 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
558
559 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
560
561 ifp->if_init = rt2860_init;
562 ifp->if_ioctl = rt2860_ioctl;
563 ifp->if_start = rt2860_start;
564
565 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
566 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
567 IFQ_SET_READY(&ifp->if_snd);
568
569 ic = &sc->ic;
570
571 ic->ic_ifp = ifp;
572
573 ic->ic_phytype = IEEE80211_T_HT;
574 ic->ic_opmode = IEEE80211_M_STA;
575 ic->ic_state = IEEE80211_S_INIT;
576
577 ic->ic_caps = IEEE80211_C_MONITOR |
578 IEEE80211_C_IBSS |
579 IEEE80211_C_AHDEMO |
580 IEEE80211_C_HOSTAP |
581 IEEE80211_C_WDS |
582 IEEE80211_C_BGSCAN |
583 IEEE80211_C_TXPMGT |
584 IEEE80211_C_SHPREAMBLE |
585 IEEE80211_C_SHSLOT |
586 IEEE80211_C_TXFRAG |
587 IEEE80211_C_BURST |
588 IEEE80211_C_WME |
589 IEEE80211_C_WEP |
590 IEEE80211_C_TKIP |
591 IEEE80211_C_AES_CCM |
592 IEEE80211_C_WPA;
593
594 ic->ic_htcaps = IEEE80211_HTC_HT |
595 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
596 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
597 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
598 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
599 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
600 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
601 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
602 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
603
604 /* spatial streams */
605
606 if (sc->nrxpath == 2)
607 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
608 else if (sc->nrxpath == 3)
609 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
610 else
611 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
612
613 if (sc->ntxpath > 1)
614 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
615
616 /* delayed BA */
617
618 if (sc->mac_rev != 0x28600100)
619 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
620
621 /* init channels */
622
623 ic->ic_nchans = 0;
624 ic->ic_regdomain = 0;
625 ic->ic_countrycode = CTRY_DEFAULT;
626 ic->ic_location = 0;
627
628 rt2860_init_channels(sc);
629
630 rt2860_init_channels_ht40(sc);
631
632 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
633
634 ieee80211_ifattach(ic);
635
636 sc->newstate = ic->ic_newstate;
637 ic->ic_newstate = rt2860_newstate;
638
639 ic->ic_reset = rt2860_reset;
640 ic->ic_node_alloc = rt2860_node_alloc;
641
642 sc->node_cleanup = ic->ic_node_cleanup;
643 ic->ic_node_cleanup = rt2860_node_cleanup;
644
645 ic->ic_scan_start = rt2860_scan_start;
646 ic->ic_scan_end = rt2860_scan_end;
647 ic->ic_set_channel = rt2860_set_channel;
648 ic->ic_newassoc = rt2860_newassoc;
649 ic->ic_updateslot = rt2860_updateslot;
650 ic->ic_wme.wme_update = rt2860_wme_update;
651 ic->ic_update_beacon = rt2860_update_beacon;
652 ic->ic_crypto.cs_key_update_begin = rt2860_key_update_begin;
653 ic->ic_crypto.cs_key_update_end = rt2860_key_update_end;
654 ic->ic_crypto.cs_key_set = rt2860_key_set;
655 ic->ic_crypto.cs_key_delete = rt2860_key_delete;
656 ic->ic_raw_xmit = rt2860_raw_xmit;
657
658 sc->recv_action = ic->ic_recv_action;
659 ic->ic_recv_action = rt2860_recv_action;
660
661 sc->send_action = ic->ic_send_action;
662 ic->ic_send_action = rt2860_send_action;
663
664 sc->addba_response = ic->ic_addba_response;
665 ic->ic_addba_response = rt2860_addba_response;
666
667 sc->addba_stop = ic->ic_addba_stop;
668 ic->ic_addba_stop = rt2860_addba_stop;
669
670 /* overwrite Rx A-MPDU factor */
671
672 ic->ic_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
673 ic->ic_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
674 ic->ic_ampdu_limit = ic->ic_ampdu_rxmax;
675
676 /* hardware requires padding between 802.11 frame header and body */
677
678 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
679
680 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
681
682 ic->ic_max_aid = RT2860_SOFTC_STAID_COUNT;
683
684 ieee80211_media_init(ic, rt2860_media_change, ieee80211_media_status);
685
686 rt2860_amrr_init(&sc->amrr, ic,
687 sc->ntxpath,
688 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
689 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
690 500);
691
692 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
693 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
694 &sc->drvbpf);
695
696 sc->rxtap_len = sizeof(sc->rxtapu);
697 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
698 sc->rxtap.ihdr.it_present = htole32(RT2860_SOFTC_RX_RADIOTAP_PRESENT);
699
700 sc->txtap_len = sizeof(sc->txtapu);
701 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
702 sc->txtap.ihdr.it_present = htole32(RT2860_SOFTC_TX_RADIOTAP_PRESENT);
703
704 /* init task queue */
705
706 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
707 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
708 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
709 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
710
711 sc->rx_process_limit = 100;
712
713 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
714 taskqueue_thread_enqueue, &sc->taskqueue);
715
716 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
717 device_get_nameunit(sc->dev));
718
719 rt2860_sysctl_attach(sc);
720
721 if (bootverbose)
722 ieee80211_announce(ic);
723
724 /* set up interrupt */
725
726 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
727 NULL, rt2860_intr, sc, &sc->irqh);
728 if (error != 0)
729 {
730 printf("%s: could not set up interrupt\n",
731 device_get_nameunit(dev));
732 goto fail;
733 }
734
735 return 0;
736
737 fail:
738
739 /* free Tx and Rx rings */
740
741 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
742 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
743
744 rt2860_free_rx_ring(sc, &sc->rx_ring);
745
746 mtx_destroy(&sc->lock);
747
748 if (sc->mem != NULL)
749 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
750
751 if (sc->irq != NULL)
752 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
753
754 return error;
755 }
756
757 /*
758 * rt2860_detach
759 */
760 static int rt2860_detach(device_t dev)
761 {
762 struct rt2860_softc *sc;
763 struct ieee80211com *ic;
764 struct ifnet *ifp;
765 int i;
766
767 sc = device_get_softc(dev);
768 ic = &sc->ic;
769 ifp = ic->ic_ifp;
770
771 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
772 "%s: detaching\n",
773 device_get_nameunit(sc->dev));
774
775 RT2860_SOFTC_LOCK(sc);
776
777 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
778
779 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
780
781 callout_stop(&sc->periodic_ch);
782 callout_stop(&sc->tx_watchdog_ch);
783
784 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
785 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
786 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
787 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
788
789 /* free Tx and Rx rings */
790
791 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
792 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
793
794 rt2860_free_rx_ring(sc, &sc->rx_ring);
795
796 RT2860_SOFTC_UNLOCK(sc);
797
798 bpfdetach(ifp);
799
800 ieee80211_ifdetach(ic);
801
802 if_free(ifp);
803
804 taskqueue_free(sc->taskqueue);
805
806 mtx_destroy(&sc->lock);
807
808 bus_generic_detach(dev);
809
810 bus_teardown_intr(dev, sc->irq, sc->irqh);
811
812 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
813
814 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
815
816 return 0;
817 }
818
819 /*
820 * rt2860_shutdown
821 */
822 static int rt2860_shutdown(device_t dev)
823 {
824 struct rt2860_softc *sc;
825
826 sc = device_get_softc(dev);
827
828 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
829 "%s: shutting down\n",
830 device_get_nameunit(sc->dev));
831
832 rt2860_stop(sc);
833
834 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
835
836 return 0;
837 }
838
839 /*
840 * rt2860_suspend
841 */
842 static int rt2860_suspend(device_t dev)
843 {
844 struct rt2860_softc *sc;
845
846 sc = device_get_softc(dev);
847
848 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
849 "%s: suspending\n",
850 device_get_nameunit(sc->dev));
851
852 rt2860_stop(sc);
853
854 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
855
856 return 0;
857 }
858
859 /*
860 * rt2860_resume
861 */
862 static int rt2860_resume(device_t dev)
863 {
864 struct rt2860_softc *sc;
865 struct ifnet *ifp;
866
867 sc = device_get_softc(dev);
868 ifp = sc->ifp;
869
870 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
871 "%s: resuming\n",
872 device_get_nameunit(sc->dev));
873
874 if (ifp->if_flags & IFF_UP)
875 rt2860_init(sc);
876
877 return 0;
878 }
879
880 /*
881 * rt2860_init_channels
882 */
883 static void rt2860_init_channels(struct rt2860_softc *sc)
884 {
885 struct ieee80211com *ic;
886 struct ieee80211_channel *c;
887 int i, flags;
888
889 ic = &sc->ic;
890
891 /* set supported channels for 2GHz band */
892
893 for (i = 1; i <= 14; i++)
894 {
895 c = &ic->ic_channels[ic->ic_nchans++];
896 flags = IEEE80211_CHAN_B;
897
898 c->ic_freq = ieee80211_ieee2mhz(i, flags);
899 c->ic_ieee = i;
900 c->ic_flags = flags;
901
902 c = &ic->ic_channels[ic->ic_nchans++];
903 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
904
905 c->ic_freq = ieee80211_ieee2mhz(i, flags);
906 c->ic_ieee = i;
907 c->ic_flags = flags;
908
909 c = &ic->ic_channels[ic->ic_nchans++];
910 flags = IEEE80211_CHAN_G;
911
912 c->ic_freq = ieee80211_ieee2mhz(i, flags);
913 c->ic_ieee = i;
914 c->ic_flags = flags;
915
916 c = &ic->ic_channels[ic->ic_nchans++];
917 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
918
919 c->ic_freq = ieee80211_ieee2mhz(i, flags);
920 c->ic_ieee = i;
921 c->ic_flags = flags;
922 }
923
924 /* set supported channels for 5GHz band */
925
926 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
927 sc->rf_rev == RT2860_EEPROM_RF_2750)
928 {
929 for (i = 36; i <= 64; i += 4)
930 {
931 c = &ic->ic_channels[ic->ic_nchans++];
932 flags = IEEE80211_CHAN_A;
933
934 c->ic_freq = ieee80211_ieee2mhz(i, flags);
935 c->ic_ieee = i;
936 c->ic_flags = flags;
937
938 c = &ic->ic_channels[ic->ic_nchans++];
939 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
940
941 c->ic_freq = ieee80211_ieee2mhz(i, flags);
942 c->ic_ieee = i;
943 c->ic_flags = flags;
944 }
945
946 for (i = 100; i <= 140; i += 4)
947 {
948 c = &ic->ic_channels[ic->ic_nchans++];
949 flags = IEEE80211_CHAN_A;
950
951 c->ic_freq = ieee80211_ieee2mhz(i, flags);
952 c->ic_ieee = i;
953 c->ic_flags = flags;
954
955 c = &ic->ic_channels[ic->ic_nchans++];
956 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
957
958 c->ic_freq = ieee80211_ieee2mhz(i, flags);
959 c->ic_ieee = i;
960 c->ic_flags = flags;
961 }
962
963 for (i = 149; i <= 165; i += 4)
964 {
965 c = &ic->ic_channels[ic->ic_nchans++];
966 flags = IEEE80211_CHAN_A;
967
968 c->ic_freq = ieee80211_ieee2mhz(i, flags);
969 c->ic_ieee = i;
970 c->ic_flags = flags;
971
972 c = &ic->ic_channels[ic->ic_nchans++];
973 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
974
975 c->ic_freq = ieee80211_ieee2mhz(i, flags);
976 c->ic_ieee = i;
977 c->ic_flags = flags;
978 }
979 }
980 }
981
982 /*
983 * rt2860_init_channels_ht40
984 */
985 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
986 {
987 struct ieee80211com *ic;
988 struct ieee80211_channel *c, *cent, *ext;
989 int i, flags;
990
991 ic = &sc->ic;
992
993 /* set supported channels for 2GHz band */
994
995 for (i = 1; i <= 14; i++)
996 {
997 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
998
999 /* find the center channel */
1000
1001 cent = ieee80211_find_channel_byieee(ic, i,
1002 flags & ~IEEE80211_CHAN_HT);
1003 if (cent == NULL)
1004 {
1005 printf("%s: skip channel %d, could not find center channel\n",
1006 device_get_nameunit(sc->dev), i);
1007 continue;
1008 }
1009
1010 /* find the extension channel */
1011
1012 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1013 flags & ~IEEE80211_CHAN_HT);
1014 if (ext == NULL)
1015 {
1016 printf("%s: skip channel %d, could not find extension channel\n",
1017 device_get_nameunit(sc->dev), i);
1018 continue;
1019 }
1020
1021 c = &ic->ic_channels[ic->ic_nchans++];
1022
1023 *c = *cent;
1024 c->ic_extieee = ext->ic_ieee;
1025 c->ic_flags &= ~IEEE80211_CHAN_HT;
1026 c->ic_flags |= IEEE80211_CHAN_HT40U;
1027
1028 c = &ic->ic_channels[ic->ic_nchans++];
1029
1030 *c = *ext;
1031 c->ic_extieee = cent->ic_ieee;
1032 c->ic_flags &= ~IEEE80211_CHAN_HT;
1033 c->ic_flags |= IEEE80211_CHAN_HT40D;
1034 }
1035
1036 /* set supported channels for 5GHz band */
1037
1038 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
1039 sc->rf_rev == RT2860_EEPROM_RF_2750)
1040 {
1041 for (i = 36; i <= 64; i += 4)
1042 {
1043 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1044
1045 /* find the center channel */
1046
1047 cent = ieee80211_find_channel_byieee(ic, i,
1048 flags & ~IEEE80211_CHAN_HT);
1049 if (cent == NULL)
1050 {
1051 printf("%s: skip channel %d, could not find center channel\n",
1052 device_get_nameunit(sc->dev), i);
1053 continue;
1054 }
1055
1056 /* find the extension channel */
1057
1058 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1059 flags & ~IEEE80211_CHAN_HT);
1060 if (ext == NULL)
1061 {
1062 printf("%s: skip channel %d, could not find extension channel\n",
1063 device_get_nameunit(sc->dev), i);
1064 continue;
1065 }
1066
1067 c = &ic->ic_channels[ic->ic_nchans++];
1068
1069 *c = *cent;
1070 c->ic_extieee = ext->ic_ieee;
1071 c->ic_flags &= ~IEEE80211_CHAN_HT;
1072 c->ic_flags |= IEEE80211_CHAN_HT40U;
1073
1074 c = &ic->ic_channels[ic->ic_nchans++];
1075
1076 *c = *ext;
1077 c->ic_extieee = cent->ic_ieee;
1078 c->ic_flags &= ~IEEE80211_CHAN_HT;
1079 c->ic_flags |= IEEE80211_CHAN_HT40D;
1080 }
1081
1082 for (i = 100; i <= 140; i += 4)
1083 {
1084 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1085
1086 /* find the center channel */
1087
1088 cent = ieee80211_find_channel_byieee(ic, i,
1089 flags & ~IEEE80211_CHAN_HT);
1090 if (cent == NULL)
1091 {
1092 printf("%s: skip channel %d, could not find center channel\n",
1093 device_get_nameunit(sc->dev), i);
1094 continue;
1095 }
1096
1097 /* find the extension channel */
1098
1099 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1100 flags & ~IEEE80211_CHAN_HT);
1101 if (ext == NULL)
1102 {
1103 printf("%s: skip channel %d, could not find extension channel\n",
1104 device_get_nameunit(sc->dev), i);
1105 continue;
1106 }
1107
1108 c = &ic->ic_channels[ic->ic_nchans++];
1109
1110 *c = *cent;
1111 c->ic_extieee = ext->ic_ieee;
1112 c->ic_flags &= ~IEEE80211_CHAN_HT;
1113 c->ic_flags |= IEEE80211_CHAN_HT40U;
1114
1115 c = &ic->ic_channels[ic->ic_nchans++];
1116
1117 *c = *ext;
1118 c->ic_extieee = cent->ic_ieee;
1119 c->ic_flags &= ~IEEE80211_CHAN_HT;
1120 c->ic_flags |= IEEE80211_CHAN_HT40D;
1121 }
1122
1123 for (i = 149; i <= 165; i += 4)
1124 {
1125 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1126
1127 /* find the center channel */
1128
1129 cent = ieee80211_find_channel_byieee(ic, i,
1130 flags & ~IEEE80211_CHAN_HT);
1131 if (cent == NULL)
1132 {
1133 printf("%s: skip channel %d, could not find center channel\n",
1134 device_get_nameunit(sc->dev), i);
1135 continue;
1136 }
1137
1138 /* find the extension channel */
1139
1140 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1141 flags & ~IEEE80211_CHAN_HT);
1142 if (ext == NULL)
1143 {
1144 printf("%s: skip channel %d, could not find extension channel\n",
1145 device_get_nameunit(sc->dev), i);
1146 continue;
1147 }
1148
1149 c = &ic->ic_channels[ic->ic_nchans++];
1150
1151 *c = *cent;
1152 c->ic_extieee = ext->ic_ieee;
1153 c->ic_flags &= ~IEEE80211_CHAN_HT;
1154 c->ic_flags |= IEEE80211_CHAN_HT40U;
1155
1156 c = &ic->ic_channels[ic->ic_nchans++];
1157
1158 *c = *ext;
1159 c->ic_extieee = cent->ic_ieee;
1160 c->ic_flags &= ~IEEE80211_CHAN_HT;
1161 c->ic_flags |= IEEE80211_CHAN_HT40D;
1162 }
1163 }
1164 }
1165
1166 /*
1167 * rt2860_init_locked
1168 */
1169 static void rt2860_init_locked(void *priv)
1170 {
1171 struct rt2860_softc *sc;
1172 struct ieee80211com *ic;
1173 struct ifnet *ifp;
1174 int error, i, ntries;
1175 uint32_t tmp, stacnt[6];
1176
1177 sc = priv;
1178 ic = &sc->ic;
1179 ifp = ic->ic_ifp;
1180
1181 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1182 "%s: initializing\n",
1183 device_get_nameunit(sc->dev));
1184
1185 RT2860_SOFTC_ASSERT_LOCKED(sc);
1186
1187 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1188 {
1189 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1190 "%s: loading 8051 microcode\n",
1191 device_get_nameunit(sc->dev));
1192
1193 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1194 if (error != 0)
1195 {
1196 printf("%s: could not load 8051 microcode\n",
1197 device_get_nameunit(sc->dev));
1198 goto fail;
1199 }
1200
1201 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1202 "%s: 8051 microcode was successfully loaded\n",
1203 device_get_nameunit(sc->dev));
1204
1205 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1206 }
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1209
1210 /* disable DMA engine */
1211
1212 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1213
1214 tmp &= 0xff0;
1215 tmp |= RT2860_REG_TX_WB_DDONE;
1216
1217 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1218
1219 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1220
1221 /* PBF hardware reset */
1222
1223 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1224 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1225
1226 /* wait while DMA engine is busy */
1227
1228 for (ntries = 0; ntries < 100; ntries++)
1229 {
1230 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1231 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1232 break;
1233
1234 DELAY(1000);
1235 }
1236
1237 if (ntries == 100)
1238 {
1239 printf("%s: timeout waiting for DMA engine\n",
1240 device_get_nameunit(sc->dev));
1241 goto fail;
1242 }
1243
1244 tmp &= 0xff0;
1245 tmp |= RT2860_REG_TX_WB_DDONE;
1246
1247 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1248
1249 /* reset Rx and Tx rings */
1250
1251 tmp = RT2860_REG_RST_IDX_RX |
1252 RT2860_REG_RST_IDX_TX_MGMT |
1253 RT2860_REG_RST_IDX_TX_HCCA |
1254 RT2860_REG_RST_IDX_TX_AC3 |
1255 RT2860_REG_RST_IDX_TX_AC2 |
1256 RT2860_REG_RST_IDX_TX_AC1 |
1257 RT2860_REG_RST_IDX_TX_AC0;
1258
1259 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1260
1261 /* PBF hardware reset */
1262
1263 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1264 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1265
1266 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1267
1268 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1269 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1270 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1271
1272 /* init Tx power per rate */
1273
1274 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1275 {
1276 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1277 continue;
1278
1279 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1280 sc->txpow_rate_20mhz[i]);
1281 }
1282
1283 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1284 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1285 rt2860_def_mac[i].val);
1286
1287 /* wait while MAC is busy */
1288
1289 for (ntries = 0; ntries < 100; ntries++)
1290 {
1291 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1292 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1293 break;
1294
1295 DELAY(1000);
1296 }
1297
1298 if (ntries == 100)
1299 {
1300 printf("%s: timeout waiting for MAC\n",
1301 device_get_nameunit(sc->dev));
1302 goto fail;
1303 }
1304
1305 /* clear Host to MCU mailbox */
1306
1307 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1308 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1309
1310 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1311 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1312
1313 DELAY(1000);
1314
1315 error = rt2860_init_bbp(sc);
1316 if (error != 0)
1317 goto fail;
1318
1319 /* set up maximum buffer sizes */
1320
1321 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1322
1323 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1324
1325 /* set mac address */
1326
1327 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1328
1329 rt2860_asic_set_macaddr(sc, ic->ic_myaddr);
1330
1331 /* clear statistic registers */
1332
1333 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1334 stacnt, sizeof(stacnt));
1335
1336 /* set RTS threshold */
1337
1338 rt2860_asic_update_rtsthreshold(sc);
1339
1340 /* set Tx power */
1341
1342 rt2860_asic_update_txpower(sc);
1343
1344 /* set up protection mode */
1345
1346 sc->tx_ampdu_sessions = 0;
1347
1348 rt2860_asic_updateprot(sc);
1349
1350 /* clear beacon frame space (entries = 8, entry size = 512) */
1351
1352 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1353
1354 taskqueue_unblock(sc->taskqueue);
1355
1356 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1357
1358 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1359 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1360
1361 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1362 {
1363 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1364 sc->tx_ring[i].desc_phys_addr);
1365 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1366 RT2860_SOFTC_TX_RING_DESC_COUNT);
1367 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1368 }
1369
1370 /* init Rx ring */
1371
1372 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1373
1374 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1375 sc->rx_ring.desc_phys_addr);
1376 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1377 RT2860_SOFTC_RX_RING_DATA_COUNT);
1378 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1379 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1380
1381 /* wait while DMA engine is busy */
1382
1383 for (ntries = 0; ntries < 100; ntries++)
1384 {
1385 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1386 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1387 break;
1388
1389 DELAY(1000);
1390 }
1391
1392 if (ntries == 100)
1393 {
1394 printf("%s: timeout waiting for DMA engine\n",
1395 device_get_nameunit(sc->dev));
1396 goto fail;
1397 }
1398
1399 tmp &= 0xff0;
1400 tmp |= RT2860_REG_TX_WB_DDONE;
1401
1402 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1403
1404 /* disable interrupts mitigation */
1405
1406 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1407
1408 /* send LEDs operating mode to microcontroller */
1409
1410 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1411 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1412 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1413 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1414 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1415 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1416
1417 /* turn radio LED on */
1418
1419 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1420
1421 /* write vendor-specific BBP values (from EEPROM) */
1422
1423 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1424 {
1425 if (sc->bbp_eeprom[i].reg == 0x00 ||
1426 sc->bbp_eeprom[i].reg == 0xff)
1427 continue;
1428
1429 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1430 sc->bbp_eeprom[i].val);
1431 }
1432
1433 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1434 if (tmp & (1 << 2))
1435 {
1436 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1437 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1438 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1439
1440 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1441 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1442 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1443 }
1444
1445 /* disable non-existing Rx chains */
1446
1447 tmp = rt2860_io_bbp_read(sc, 3);
1448
1449 tmp &= ~((1 << 4) | (1 << 3));
1450
1451 if (sc->nrxpath == 3)
1452 tmp |= (1 << 4);
1453 else if (sc->nrxpath == 2)
1454 tmp |= (1 << 3);
1455
1456 rt2860_io_bbp_write(sc, 3, tmp);
1457
1458 /* disable non-existing Tx chains */
1459
1460 tmp = rt2860_io_bbp_read(sc, 1);
1461
1462 tmp &= ~((1 << 4) | (1 << 3));
1463
1464 if (sc->ntxpath == 2)
1465 tmp |= (1 << 4);
1466
1467 rt2860_io_bbp_write(sc, 1, tmp);
1468
1469 /* set current channel */
1470
1471 rt2860_rf_set_chan(sc, ic->ic_curchan);
1472
1473 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1474 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1475 (48 << 16) | 96);
1476
1477 if ((sc->mac_rev & 0xffff) != 0x0101)
1478 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1479
1480 /* clear pending interrupts */
1481
1482 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1483
1484 /* enable interrupts */
1485
1486 tmp = RT2860_REG_INT_TX_COHERENT |
1487 RT2860_REG_INT_RX_COHERENT |
1488 RT2860_REG_INT_GP_TIMER |
1489 RT2860_REG_INT_AUTO_WAKEUP |
1490 RT2860_REG_INT_FIFO_STA_FULL |
1491 /*
1492 RT2860_REG_INT_PRE_TBTT |
1493 RT2860_REG_INT_TBTT |
1494 */
1495 RT2860_REG_INT_TXRX_COHERENT |
1496 RT2860_REG_INT_MCU_CMD |
1497 RT2860_REG_INT_TX_MGMT_DONE |
1498 RT2860_REG_INT_TX_HCCA_DONE |
1499 RT2860_REG_INT_TX_AC3_DONE |
1500 RT2860_REG_INT_TX_AC2_DONE |
1501 RT2860_REG_INT_TX_AC1_DONE |
1502 RT2860_REG_INT_TX_AC0_DONE |
1503 RT2860_REG_INT_RX_DONE;
1504
1505 sc->intr_enable_mask = tmp;
1506
1507 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1508
1509 if (rt2860_txrx_enable(sc) != 0)
1510 goto fail;
1511
1512 /* clear garbage interrupts */
1513
1514 tmp = rt2860_io_mac_read(sc, 0x1300);
1515
1516 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1517 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1518
1519 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1520 {
1521 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1522 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1523 }
1524 else
1525 {
1526 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1527 }
1528
1529 sc->periodic_round = 0;
1530
1531 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1532
1533 return;
1534
1535 fail:
1536
1537 rt2860_stop_locked(sc);
1538 }
1539
1540 /*
1541 * rt2860_init
1542 */
1543 static void rt2860_init(void *priv)
1544 {
1545 struct rt2860_softc *sc;
1546
1547 sc = priv;
1548
1549 RT2860_SOFTC_LOCK(sc);
1550
1551 rt2860_init_locked(sc);
1552
1553 RT2860_SOFTC_UNLOCK(sc);
1554 }
1555
1556 /*
1557 * rt2860_init_bbp
1558 */
1559 static int rt2860_init_bbp(struct rt2860_softc *sc)
1560 {
1561 int ntries, i;
1562 uint8_t tmp;
1563
1564 for (ntries = 0; ntries < 20; ntries++)
1565 {
1566 tmp = rt2860_io_bbp_read(sc, 0);
1567 if (tmp != 0x00 && tmp != 0xff)
1568 break;
1569 }
1570
1571 if (tmp == 0x00 || tmp == 0xff)
1572 {
1573 printf("%s: timeout waiting for BBP to wakeup\n",
1574 device_get_nameunit(sc->dev));
1575 return ETIMEDOUT;
1576 }
1577
1578 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1579 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1580 rt2860_def_bbp[i].val);
1581
1582 if ((sc->mac_rev & 0xffff) != 0x0101)
1583 rt2860_io_bbp_write(sc, 84, 0x19);
1584
1585 return 0;
1586 }
1587
1588 /*
1589 * rt2860_stop_locked
1590 */
1591 static void rt2860_stop_locked(void *priv)
1592 {
1593 struct rt2860_softc *sc;
1594 struct ieee80211com *ic;
1595 struct ifnet *ifp;
1596 uint32_t tmp;
1597
1598 sc = priv;
1599 ic = &sc->ic;
1600 ifp = ic->ic_ifp;
1601
1602 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1603 "%s: stopping\n",
1604 device_get_nameunit(sc->dev));
1605
1606 RT2860_SOFTC_ASSERT_LOCKED(sc);
1607
1608 sc->tx_timer = 0;
1609
1610 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1611 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1612
1613 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1614
1615 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1616
1617 callout_stop(&sc->periodic_ch);
1618 callout_stop(&sc->tx_watchdog_ch);
1619
1620 RT2860_SOFTC_UNLOCK(sc);
1621
1622 taskqueue_block(sc->taskqueue);
1623
1624 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1625 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1626 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1627 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1628
1629 RT2860_SOFTC_LOCK(sc);
1630
1631 /* clear key tables */
1632
1633 rt2860_asic_clear_keytables(sc);
1634
1635 /* disable interrupts */
1636
1637 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1638
1639 /* disable Tx/Rx */
1640
1641 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1642
1643 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1644
1645 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1646
1647 /* reset adapter */
1648
1649 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1650 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1651 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1652
1653 if (sc->beacon_mbuf != NULL)
1654 {
1655 m_free(sc->beacon_mbuf);
1656 sc->beacon_mbuf = NULL;
1657 }
1658 }
1659
1660 /*
1661 * rt2860_stop
1662 */
1663 static void rt2860_stop(void *priv)
1664 {
1665 struct rt2860_softc *sc;
1666
1667 sc = priv;
1668
1669 RT2860_SOFTC_LOCK(sc);
1670
1671 rt2860_stop_locked(sc);
1672
1673 RT2860_SOFTC_UNLOCK(sc);
1674 }
1675
1676 /*
1677 * rt2860_start
1678 */
1679 static void rt2860_start(struct ifnet *ifp)
1680 {
1681 struct rt2860_softc *sc;
1682 struct ieee80211com *ic;
1683 struct ieee80211_node *ni;
1684 struct ether_header *eh;
1685 struct mbuf *m;
1686 int qid;
1687
1688 sc = ifp->if_softc;
1689 ic = &sc->ic;
1690
1691 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1692 return;
1693
1694 for (;;)
1695 {
1696 IF_POLL(&ic->ic_mgtq, m);
1697 if (m != NULL)
1698 {
1699 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1700
1701 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1702 {
1703 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1704
1705 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1706 "%s: if_start: Tx ring with qid=%d is full\n",
1707 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1708
1709 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1710
1711 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1712
1713 break;
1714 }
1715
1716 IF_DEQUEUE(&ic->ic_mgtq, m);
1717 if (m == NULL)
1718 {
1719 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1720 break;
1721 }
1722
1723 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1724
1725 m->m_pkthdr.rcvif = NULL;
1726
1727 if (bpf_peers_present(ic->ic_rawbpf))
1728 bpf_mtap(ic->ic_rawbpf, m);
1729
1730 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1731 {
1732 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1733 break;
1734 }
1735
1736 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1737
1738 rt2860_drain_fifo_stats(sc);
1739 }
1740 else
1741 {
1742 if (ic->ic_state != IEEE80211_S_RUN)
1743 break;
1744
1745 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1746 if (m == NULL)
1747 break;
1748
1749 if (ic->ic_flags & IEEE80211_F_SCAN)
1750 ieee80211_cancel_scan(ic);
1751
1752 if (m->m_len < sizeof(struct ether_header) &&
1753 !(m = m_pullup(m, sizeof (struct ether_header))))
1754 continue;
1755
1756 eh = mtod(m, struct ether_header *);
1757
1758 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1759 if (ni == NULL)
1760 {
1761 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1762 "%s: if_start: could not find Tx node\n",
1763 device_get_nameunit(sc->dev));
1764
1765 m_freem(m);
1766
1767 continue;
1768 }
1769
1770 ieee80211_classify(ic, m, ni);
1771
1772 qid = M_WME_GETAC(m);
1773
1774 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[qid]);
1775
1776 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1777 {
1778 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1779
1780 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1781 "%s: if_start: Tx ring with qid=%d is full\n",
1782 device_get_nameunit(sc->dev), qid);
1783
1784 m_freem(m);
1785 ieee80211_free_node(ni);
1786
1787 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1788 ifp->if_oerrors++;
1789
1790 sc->tx_data_queue_full[qid]++;
1791
1792 break;
1793 }
1794
1795 BPF_MTAP(ifp, m);
1796
1797 m = ieee80211_encap(ic, m, ni);
1798 if (m == NULL)
1799 {
1800 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1801
1802 ieee80211_free_node(ni);
1803
1804 ifp->if_oerrors++;
1805
1806 continue;
1807 }
1808
1809 if (bpf_peers_present(ic->ic_rawbpf))
1810 bpf_mtap(ic->ic_rawbpf, m);
1811
1812 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1813 {
1814 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1815
1816 ieee80211_free_node(ni);
1817
1818 ifp->if_oerrors++;
1819
1820 break;
1821 }
1822
1823 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1824
1825 rt2860_drain_fifo_stats(sc);
1826 }
1827
1828 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1829
1830 ic->ic_lastdata = ticks;
1831
1832 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1833 }
1834 }
1835
1836 /*
1837 * rt2860_ioctl
1838 */
1839 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1840 {
1841 struct rt2860_softc *sc;
1842 struct ieee80211com *ic;
1843 int error;
1844
1845 sc = ifp->if_softc;
1846 ic = &sc->ic;
1847
1848 error = 0;
1849
1850 switch (cmd)
1851 {
1852 case SIOCSIFFLAGS:
1853 RT2860_SOFTC_LOCK(sc);
1854
1855 if (ifp->if_flags & IFF_UP)
1856 {
1857 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1858 {
1859 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1860 rt2860_asic_update_promisc(sc);
1861 }
1862 else
1863 {
1864 rt2860_init_locked(sc);
1865 }
1866 }
1867 else
1868 {
1869 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1870 rt2860_stop_locked(sc);
1871 }
1872
1873 sc->if_flags = ifp->if_flags;
1874
1875 RT2860_SOFTC_UNLOCK(sc);
1876 break;
1877
1878 default:
1879 error = ieee80211_ioctl(ic, cmd, data);
1880 }
1881
1882 if (error == ENETRESET)
1883 {
1884 RT2860_SOFTC_LOCK(sc);
1885
1886 if ((ifp->if_flags & IFF_UP) &&
1887 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1888 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1889 {
1890 rt2860_stop_locked(sc);
1891 rt2860_init_locked(sc);
1892 }
1893
1894 RT2860_SOFTC_UNLOCK(sc);
1895
1896 error = 0;
1897 }
1898
1899 return error;
1900 }
1901
1902 /*
1903 * rt2860_reset
1904 */
1905 static int rt2860_reset(struct ifnet *ifp)
1906 {
1907 struct rt2860_softc *sc;
1908 struct ieee80211com *ic;
1909
1910 sc = ifp->if_softc;
1911 ic = &sc->ic;
1912
1913 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1914 return ENETRESET;
1915
1916 rt2860_rf_set_chan(sc, ic->ic_curchan);
1917
1918 return 0;
1919 }
1920
1921 /*
1922 * rt2860_newstate
1923 */
1924 static int rt2860_newstate(struct ieee80211com *ic,
1925 enum ieee80211_state nstate, int arg)
1926 {
1927 struct rt2860_softc *sc;
1928 struct ifnet *ifp;
1929 struct ieee80211_node *ni;
1930 int error;
1931
1932 ifp = ic->ic_ifp;
1933 sc = ifp->if_softc;
1934
1935 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1936 "%s: newstate: %s -> %s\n",
1937 device_get_nameunit(sc->dev),
1938 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1939
1940 error = sc->newstate(ic, nstate, arg);
1941 if (error != 0)
1942 return error;
1943
1944 RT2860_SOFTC_LOCK(sc);
1945
1946 /* turn link LED off */
1947
1948 if (nstate != IEEE80211_S_RUN)
1949 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1950
1951 switch (nstate)
1952 {
1953 case IEEE80211_S_INIT:
1954 rt2860_asic_disable_tsf_sync(sc);
1955 break;
1956
1957 case IEEE80211_S_RUN:
1958 ni = ic->ic_bss;
1959
1960 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1961 rt2860_rf_set_chan(sc, ni->ni_chan);
1962
1963 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1964 {
1965 rt2860_asic_enable_mrr(sc);
1966 rt2860_asic_set_txpreamble(sc);
1967 rt2860_asic_set_basicrates(sc);
1968 rt2860_asic_update_txpower(sc);
1969 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1970 }
1971
1972 if (ic->ic_opmode == IEEE80211_M_STA)
1973 rt2860_newassoc(ni, 1);
1974
1975 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1976 ic->ic_opmode == IEEE80211_M_IBSS)
1977 {
1978 error = rt2860_beacon_alloc(sc);
1979 if (error != 0)
1980 break;
1981
1982 rt2860_asic_update_beacon(sc);
1983 }
1984
1985 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1986 rt2860_asic_enable_tsf_sync(sc);
1987
1988 /* turn link LED on */
1989
1990 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1991 {
1992 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1993 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1994 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1995 }
1996 break;
1997
1998 case IEEE80211_S_SLEEP:
1999 break;
2000
2001 default:
2002 break;
2003 }
2004
2005 RT2860_SOFTC_UNLOCK(sc);
2006
2007 return error;
2008 }
2009
2010 /*
2011 * rt2860_scan_start
2012 */
2013 static void rt2860_scan_start(struct ieee80211com *ic)
2014 {
2015 struct rt2860_softc *sc;
2016 struct ifnet *ifp;
2017
2018 ifp = ic->ic_ifp;
2019 sc = ifp->if_softc;
2020
2021 rt2860_asic_disable_tsf_sync(sc);
2022 }
2023
2024 /*
2025 * rt2860_scan_end
2026 */
2027 static void rt2860_scan_end(struct ieee80211com *ic)
2028 {
2029 struct rt2860_softc *sc;
2030 struct ifnet *ifp;
2031
2032 ifp = ic->ic_ifp;
2033 sc = ifp->if_softc;
2034
2035 rt2860_asic_enable_tsf_sync(sc);
2036 }
2037
2038 /*
2039 * rt2860_set_channel
2040 */
2041 static void rt2860_set_channel(struct ieee80211com *ic)
2042 {
2043 struct rt2860_softc *sc;
2044 struct ifnet *ifp;
2045
2046 ifp = ic->ic_ifp;
2047 sc = ifp->if_softc;
2048
2049 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2050 "%s: set channel: channel=%u, HT%s%s\n",
2051 device_get_nameunit(sc->dev),
2052 ieee80211_chan2ieee(ic, ic->ic_curchan),
2053 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2054 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2055 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2056 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2057
2058 RT2860_SOFTC_LOCK(sc);
2059
2060 rt2860_rf_set_chan(sc, ic->ic_curchan);
2061
2062 RT2860_SOFTC_UNLOCK(sc);
2063 }
2064
2065 /*
2066 * rt2860_newassoc
2067 */
2068 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2069 {
2070 struct rt2860_softc *sc;
2071 struct ieee80211com *ic;
2072 struct ifnet *ifp;
2073 struct rt2860_softc_node *rni;
2074 uint16_t aid;
2075 uint8_t wcid;
2076 uint32_t tmp;
2077
2078 ic = ni->ni_ic;
2079 ifp = ic->ic_ifp;
2080 sc = ifp->if_softc;
2081 rni = (struct rt2860_softc_node *) ni;
2082
2083 if (isnew)
2084 {
2085 aid = IEEE80211_AID(ni->ni_associd);
2086 rni->staid = rt2860_staid_alloc(sc, aid);
2087 wcid = rni->staid;
2088
2089 tmp = (ni->ni_macaddr[3] << 24) |
2090 (ni->ni_macaddr[2] << 16) |
2091 (ni->ni_macaddr[1] << 8) |
2092 ni->ni_macaddr[0];
2093
2094 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), tmp);
2095
2096 tmp = (ni->ni_macaddr[5] << 8) |
2097 ni->ni_macaddr[4];
2098
2099 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2100
2101 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2102
2103 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2104 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2105 device_get_nameunit(sc->dev),
2106 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2107 ni->ni_associd,
2108 (ni->ni_flags & IEEE80211_NODE_HT) ?
2109 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2110 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2111 (ni->ni_flags & IEEE80211_NODE_HT) ?
2112 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2113 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2114
2115 rt2860_asic_updateprot(sc);
2116 rt2860_asic_updateslot(sc);
2117 rt2860_asic_set_txpreamble(sc);
2118 }
2119
2120 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2121 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2122 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2123 ni->ni_associd, rni->staid,
2124 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2125 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2126 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2127 }
2128
2129 /*
2130 * rt2860_updateslot
2131 */
2132 static void rt2860_updateslot(struct ifnet *ifp)
2133 {
2134 struct rt2860_softc *sc;
2135
2136 sc = ifp->if_softc;
2137
2138 rt2860_asic_updateslot(sc);
2139 }
2140
2141 /*
2142 * rt2860_wme_update
2143 */
2144 static int rt2860_wme_update(struct ieee80211com *ic)
2145 {
2146 struct rt2860_softc *sc;
2147 struct ifnet *ifp;
2148
2149 ifp = ic->ic_ifp;
2150 sc = ifp->if_softc;
2151
2152 rt2860_asic_wme_update(sc);
2153
2154 return 0;
2155 }
2156
2157 /*
2158 * rt2860_update_beacon
2159 */
2160 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2161 {
2162 struct rt2860_softc *sc;
2163 struct ifnet *ifp;
2164 struct mbuf *m;
2165 struct ieee80211_beacon_offsets *bo;
2166
2167 ifp = ic->ic_ifp;
2168 sc = ifp->if_softc;
2169 m = sc->beacon_mbuf;
2170 bo = &sc->beacon_offsets;
2171
2172 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2173 "%s: update beacon: what=%d\n",
2174 device_get_nameunit(sc->dev), what);
2175
2176 setbit(bo->bo_flags, what);
2177
2178 ieee80211_beacon_update(ic->ic_bss, bo, m, 0);
2179
2180 rt2860_asic_update_beacon(sc);
2181 }
2182
2183 /*
2184 * rt2860_key_update_begin
2185 */
2186 static void rt2860_key_update_begin(struct ieee80211com *ic)
2187 {
2188 struct rt2860_softc *sc;
2189 struct ifnet *ifp;
2190
2191 ifp = ic->ic_ifp;
2192 sc = ifp->if_softc;
2193
2194 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2195 "%s: key update begin\n",
2196 device_get_nameunit(sc->dev));
2197
2198 taskqueue_block(sc->taskqueue);
2199
2200 IF_LOCK(&ifp->if_snd);
2201 }
2202
2203 /*
2204 * rt2860_key_update_end
2205 */
2206 static void rt2860_key_update_end(struct ieee80211com *ic)
2207 {
2208 struct rt2860_softc *sc;
2209 struct ifnet *ifp;
2210
2211 ifp = ic->ic_ifp;
2212 sc = ifp->if_softc;
2213
2214 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2215 "%s: key update end\n",
2216 device_get_nameunit(sc->dev));
2217
2218 IF_UNLOCK(&ifp->if_snd);
2219
2220 taskqueue_unblock(sc->taskqueue);
2221 }
2222
2223 /*
2224 * rt2860_key_set
2225 */
2226 static int rt2860_key_set(struct ieee80211com *ic,
2227 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2228 {
2229 struct rt2860_softc *sc;
2230 struct ifnet *ifp;
2231 struct ieee80211_node *ni;
2232 struct rt2860_softc_node *rni;
2233 uint16_t key_base, keymode_base;
2234 uint8_t mode, vapid, wcid, iv[8];
2235 uint32_t tmp;
2236
2237 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2238 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2239 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2240 return 0;
2241
2242 ifp = ic->ic_ifp;
2243 sc = ifp->if_softc;
2244
2245 switch (k->wk_cipher->ic_cipher)
2246 {
2247 case IEEE80211_CIPHER_WEP:
2248 if(k->wk_keylen < 8)
2249 mode = RT2860_REG_CIPHER_MODE_WEP40;
2250 else
2251 mode = RT2860_REG_CIPHER_MODE_WEP104;
2252 break;
2253
2254 case IEEE80211_CIPHER_TKIP:
2255 mode = RT2860_REG_CIPHER_MODE_TKIP;
2256 break;
2257
2258 case IEEE80211_CIPHER_AES_CCM:
2259 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2260 break;
2261
2262 default:
2263 return 0;
2264 }
2265
2266 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2267 "%s: set key: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2268 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(mac),
2269 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2270
2271 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2272 {
2273 /* install pairwise key */
2274
2275 ni = ieee80211_find_node(&ic->ic_sta, mac);
2276 rni = (struct rt2860_softc_node *) ni;
2277
2278 vapid = 0;
2279 wcid = rni->staid;
2280 key_base = RT2860_REG_PKEY(wcid);
2281
2282 ieee80211_free_node(ni);
2283
2284 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2285 {
2286 memset(iv, 0, 8);
2287
2288 iv[3] = (k->wk_keyix << 6);
2289 }
2290 else
2291 {
2292 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2293 {
2294 iv[0] = (k->wk_keytsc >> 8);
2295 iv[1] = ((iv[0] | 0x20) & 0x7f);
2296 iv[2] = k->wk_keytsc;
2297 }
2298 else
2299 {
2300 /* AES CCMP */
2301
2302 iv[0] = k->wk_keytsc;
2303 iv[1] = k->wk_keytsc >> 8;
2304 iv[2] = 0;
2305 }
2306
2307 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2308 iv[4] = (k->wk_keytsc >> 16);
2309 iv[5] = (k->wk_keytsc >> 24);
2310 iv[6] = (k->wk_keytsc >> 32);
2311 iv[7] = (k->wk_keytsc >> 40);
2312
2313 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2314 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2315 device_get_nameunit(sc->dev),
2316 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2317 }
2318
2319 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2320
2321 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2322 {
2323 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2324
2325 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2326 {
2327 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2328 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2329 }
2330 else
2331 {
2332 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2333 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2334 }
2335 }
2336 else
2337 {
2338 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2339 }
2340
2341 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2342 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2343
2344 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2345 }
2346
2347 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2348 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2349 {
2350 /* install group key */
2351
2352 vapid = 0;
2353 wcid = RT2860_WCID_MCAST;
2354 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2355 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2356
2357 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2358 {
2359 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2360
2361 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2362 {
2363 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2364 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2365 }
2366 else
2367 {
2368 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2369 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2370 }
2371 }
2372 else
2373 {
2374 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2375 }
2376
2377 tmp = rt2860_io_mac_read(sc, keymode_base);
2378
2379 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2380 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2381
2382 rt2860_io_mac_write(sc, keymode_base, tmp);
2383
2384 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2385 {
2386 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2387 {
2388 memset(iv, 0, 8);
2389
2390 iv[3] = (k->wk_keyix << 6);
2391 }
2392 else
2393 {
2394 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2395 {
2396 iv[0] = (k->wk_keytsc >> 8);
2397 iv[1] = ((iv[0] | 0x20) & 0x7f);
2398 iv[2] = k->wk_keytsc;
2399 }
2400 else
2401 {
2402 /* AES CCMP */
2403
2404 iv[0] = k->wk_keytsc;
2405 iv[1] = k->wk_keytsc >> 8;
2406 iv[2] = 0;
2407 }
2408
2409 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2410 iv[4] = (k->wk_keytsc >> 16);
2411 iv[5] = (k->wk_keytsc >> 24);
2412 iv[6] = (k->wk_keytsc >> 32);
2413 iv[7] = (k->wk_keytsc >> 40);
2414
2415 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2416 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2417 device_get_nameunit(sc->dev),
2418 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2419 }
2420
2421 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2422
2423 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2424 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2425
2426 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2427 }
2428 }
2429
2430 return 1;
2431 }
2432
2433 /*
2434 * rt2860_key_delete
2435 */
2436 static int rt2860_key_delete(struct ieee80211com *ic,
2437 const struct ieee80211_key *k)
2438 {
2439 struct rt2860_softc *sc;
2440 uint8_t vapid, wcid;
2441 uint32_t tmp;
2442
2443 sc = ic->ic_ifp->if_softc;
2444
2445 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2446 "%s: delete key: keyix=%d, keylen=%d, group=%d\n",
2447 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen,
2448 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2449
2450 if (k->wk_flags & IEEE80211_KEY_GROUP)
2451 {
2452 /* remove group key */
2453
2454 vapid = 0;
2455 wcid = RT2860_WCID_MCAST;
2456
2457 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2458
2459 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2460 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2461
2462 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2463
2464 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2465 {
2466 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2467 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2468
2469 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2470 }
2471 }
2472
2473 return 1;
2474 }
2475
2476 /*
2477 * rt2860_raw_xmit
2478 */
2479 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2480 const struct ieee80211_bpf_params *params)
2481 {
2482 return 0;
2483 }
2484
2485 /*
2486 * rt2860_media_change
2487 */
2488 static int rt2860_media_change(struct ifnet *ifp)
2489 {
2490 struct rt2860_softc *sc;
2491 int error;
2492
2493 sc = ifp->if_softc;
2494
2495 error = ieee80211_media_change(ifp);
2496 if (error != ENETRESET)
2497 return error;
2498
2499 RT2860_SOFTC_LOCK(sc);
2500
2501 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2502 {
2503 rt2860_stop_locked(sc);
2504 rt2860_init_locked(sc);
2505 }
2506
2507 RT2860_SOFTC_UNLOCK(sc);
2508
2509 return 0;
2510 }
2511
2512 /*
2513 * rt2860_node_alloc
2514 */
2515 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211_node_table *nt)
2516 {
2517 return malloc(sizeof(struct rt2860_softc_node),
2518 M_80211_NODE, M_NOWAIT | M_ZERO);
2519 }
2520
2521 /*
2522 * rt2860_node_cleanup
2523 */
2524 static void rt2860_node_cleanup(struct ieee80211_node *ni)
2525 {
2526 struct rt2860_softc *sc;
2527 struct ieee80211com *ic;
2528 struct ifnet *ifp;
2529 struct ieee80211_rx_ampdu *rx_ampdu;
2530 struct rt2860_softc_node *rni;
2531 uint8_t vapid, wcid;
2532 int i;
2533 uint32_t tmp;
2534
2535 ic = ni->ni_ic;
2536 ifp = ic->ic_ifp;
2537 sc = ifp->if_softc;
2538 rni = (struct rt2860_softc_node *) ni;
2539
2540 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2541 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2542 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2543 ni->ni_associd, rni->staid);
2544
2545 if (rni->staid != 0)
2546 {
2547 vapid = 0;
2548 wcid = rni->staid;
2549
2550 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2551 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2552
2553 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2554
2555 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0x00000000);
2556 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, 0x00000000);
2557
2558 rt2860_staid_delete(sc, rni->staid);
2559
2560 rni->staid = 0;
2561
2562 for (i = 0; i < WME_NUM_TID; i++)
2563 {
2564 rx_ampdu = &ni->ni_rx_ampdu[i];
2565
2566 if (rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND)
2567 {
2568 if (sc->rx_ampdu_sessions > 0)
2569 sc->rx_ampdu_sessions--;
2570 else
2571 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2572 device_get_nameunit(sc->dev));
2573 }
2574 }
2575 }
2576
2577 sc->node_cleanup(ni);
2578 }
2579
2580 /*
2581 * rt2860_recv_action
2582 */
2583 static void rt2860_recv_action(struct ieee80211_node *ni,
2584 const uint8_t *frm, const uint8_t *efrm)
2585 {
2586 struct rt2860_softc *sc;
2587 struct ieee80211com *ic;
2588 struct ifnet *ifp;
2589 struct ieee80211_rx_ampdu *rx_ampdu;
2590 struct rt2860_softc_node *rni;
2591 const struct ieee80211_action *ia;
2592 uint16_t baparamset;
2593 int tid;
2594 uint8_t wcid;
2595
2596 ic = ni->ni_ic;
2597 ifp = ic->ic_ifp;
2598 sc = ifp->if_softc;
2599 rni = (struct rt2860_softc_node *) ni;
2600
2601 ia = (const struct ieee80211_action *) frm;
2602
2603 if (ia->ia_category == IEEE80211_ACTION_CAT_BA)
2604 {
2605 switch (ia->ia_action)
2606 {
2607 /* IEEE80211_ACTION_BA_DELBA */
2608 case IEEE80211_ACTION_BA_DELBA:
2609 baparamset = LE_READ_2(frm + 2);
2610 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2611 rx_ampdu = &ni->ni_rx_ampdu[tid];
2612 wcid = rni->staid;
2613
2614 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2615 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2616 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2617
2618 if (rni->staid != 0)
2619 {
2620 rt2860_asic_del_ba_session(sc, wcid, tid);
2621
2622 if (rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND)
2623 {
2624 if (sc->rx_ampdu_sessions > 0)
2625 sc->rx_ampdu_sessions--;
2626 else
2627 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2628 device_get_nameunit(sc->dev));
2629 }
2630 }
2631 break;
2632 }
2633 }
2634
2635 sc->recv_action(ni, frm, efrm);
2636 }
2637
2638 /*
2639 * rt2860_send_action
2640 */
2641 static int rt2860_send_action(struct ieee80211_node *ni,
2642 int category, int action, uint16_t args[4])
2643 {
2644 struct rt2860_softc *sc;
2645 struct ieee80211com *ic;
2646 struct ifnet *ifp;
2647 struct ieee80211_rx_ampdu *rx_ampdu;
2648 struct rt2860_softc_node *rni;
2649 uint16_t status, baparamset;
2650 uint8_t wcid;
2651 int tid, bufsize;
2652
2653 ic = ni->ni_ic;
2654 ifp = ic->ic_ifp;
2655 sc = ifp->if_softc;
2656 rni = (struct rt2860_softc_node *) ni;
2657
2658 wcid = rni->staid;
2659
2660 if (category == IEEE80211_ACTION_CAT_BA)
2661 {
2662 switch (action)
2663 {
2664 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2665 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2666 status = args[1];
2667 baparamset = args[2];
2668 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2669 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2670 rx_ampdu = &ni->ni_rx_ampdu[tid];
2671
2672 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2673 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2674 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2675
2676 if (status == IEEE80211_STATUS_SUCCESS)
2677 {
2678 rt2860_asic_add_ba_session(sc, wcid, tid);
2679
2680 sc->rx_ampdu_sessions++;
2681 }
2682 break;
2683
2684 /* IEEE80211_ACTION_BA_DELBA */
2685 case IEEE80211_ACTION_BA_DELBA:
2686 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2687 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2688 rx_ampdu = &ni->ni_rx_ampdu[tid];
2689
2690 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2691 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2692 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2693
2694 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2695 {
2696 rt2860_asic_del_ba_session(sc, wcid, tid);
2697
2698 if (rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND)
2699 {
2700 if (sc->rx_ampdu_sessions > 0)
2701 sc->rx_ampdu_sessions--;
2702 else
2703 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2704 device_get_nameunit(sc->dev));
2705 }
2706 }
2707 break;
2708 }
2709 }
2710
2711 return sc->send_action(ni, category, action, args);
2712 }
2713
2714 /*
2715 * rt2860_addba_response
2716 */
2717 static int rt2860_addba_response(struct ieee80211_node *ni,
2718 struct ieee80211_tx_ampdu *tap,
2719 int status, int baparamset, int batimeout)
2720 {
2721 struct rt2860_softc *sc;
2722 struct ieee80211com *ic;
2723 struct ifnet *ifp;
2724 struct rt2860_softc_node *rni;
2725 ieee80211_seq seqno;
2726 int ret, tid, old_bufsize, new_bufsize;
2727
2728 ic = ni->ni_ic;
2729 ifp = ic->ic_ifp;
2730 sc = ifp->if_softc;
2731 rni = (struct rt2860_softc_node *) ni;
2732
2733 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2734 old_bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2735 new_bufsize = old_bufsize;
2736
2737 if (status == IEEE80211_STATUS_SUCCESS)
2738 {
2739 if (sc->mac_rev >= 0x28830300)
2740 {
2741 if (sc->mac_rev >= 0x30700200)
2742 new_bufsize = 13;
2743 else
2744 new_bufsize = 31;
2745 }
2746 else if (sc->mac_rev >= 0x28720200)
2747 {
2748 new_bufsize = 13;
2749 }
2750 else
2751 {
2752 new_bufsize = 7;
2753 }
2754
2755 if (old_bufsize > new_bufsize)
2756 {
2757 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2758 baparamset = RT2860_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
2759 }
2760
2761 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2762 {
2763 sc->tx_ampdu_sessions++;
2764
2765 if (sc->tx_ampdu_sessions == 1)
2766 rt2860_asic_updateprot(sc);
2767 }
2768 }
2769
2770 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2771 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
2772 "old bufsize=%d, new bufsize=%d\n",
2773 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
2774 old_bufsize, new_bufsize);
2775
2776 ret = sc->addba_response(ni, tap, status, baparamset, batimeout);
2777
2778 if (status == IEEE80211_STATUS_SUCCESS)
2779 {
2780 seqno = ni->ni_txseqs[tid];
2781
2782 rt2860_send_bar(ni, tap, seqno);
2783 }
2784
2785 return ret;
2786 }
2787
2788 /*
2789 * rt2860_addba_stop
2790 */
2791 static void rt2860_addba_stop(struct ieee80211_node *ni,
2792 struct ieee80211_tx_ampdu *tap)
2793 {
2794 struct rt2860_softc *sc;
2795 struct ieee80211com *ic;
2796 struct ifnet *ifp;
2797 struct rt2860_softc_node *rni;
2798 int tid;
2799
2800 ic = ni->ni_ic;
2801 ifp = ic->ic_ifp;
2802 sc = ifp->if_softc;
2803 rni = (struct rt2860_softc_node *) ni;
2804
2805 tid = WME_AC_TO_TID(tap->txa_ac);
2806
2807 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2808 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2809 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2810
2811 if (tap->txa_flags & IEEE80211_AGGR_RUNNING)
2812 {
2813 if (sc->tx_ampdu_sessions > 0)
2814 {
2815 sc->tx_ampdu_sessions--;
2816
2817 if (sc->tx_ampdu_sessions == 0)
2818 rt2860_asic_updateprot(sc);
2819 }
2820 else
2821 {
2822 printf("%s: number of A-MPDU Tx sessions cannot be negative\n",
2823 device_get_nameunit(sc->dev));
2824 }
2825 }
2826
2827 sc->addba_stop(ni, tap);
2828 }
2829
2830 /*
2831 * rt2860_send_bar
2832 */
2833 static int rt2860_send_bar(struct ieee80211_node *ni,
2834 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
2835 {
2836 struct rt2860_softc *sc;
2837 struct ieee80211com *ic;
2838 struct ifnet *ifp;
2839 struct ieee80211_frame_bar *bar;
2840 struct rt2860_softc_node *rni;
2841 struct mbuf *m;
2842 uint16_t barctl, barseqctl;
2843 uint8_t *frm;
2844 int tid;
2845
2846 ic = ni->ni_ic;
2847 ifp = ic->ic_ifp;
2848 sc = ifp->if_softc;
2849 rni = (struct rt2860_softc_node *) ni;
2850
2851 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2852 return EINVAL;
2853
2854 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
2855 if (m == NULL)
2856 return ENOMEM;
2857
2858 bar = mtod(m, struct ieee80211_frame_bar *);
2859
2860 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
2861 bar->i_fc[1] = 0;
2862
2863 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
2864 IEEE80211_ADDR_COPY(bar->i_ta, ic->ic_myaddr);
2865
2866 tid = WME_AC_TO_TID(tap->txa_ac);
2867
2868 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
2869 IEEE80211_BAR_COMP |
2870 RT2860_SM(tid, IEEE80211_BAR_TID);
2871 barseqctl = RT2860_SM(seqno, IEEE80211_BASEQ_START);
2872
2873 bar->i_ctl = htole16(barctl);
2874 bar->i_seq = htole16(barseqctl);
2875
2876 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
2877 m->m_pkthdr.rcvif = (void *) ni;
2878
2879 tap->txa_start = seqno;
2880
2881 ieee80211_ref_node(ni);
2882
2883 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2884 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
2885 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
2886
2887 IF_ENQUEUE(&ic->ic_mgtq, m);
2888
2889 if_start(ifp);
2890
2891 return 0;
2892 }
2893
2894 /*
2895 * rt2860_amrr_update_iter_func
2896 */
2897 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2898 {
2899 struct rt2860_softc *sc;
2900 struct ieee80211com *ic;
2901 struct rt2860_softc_node *rni;
2902 uint8_t wcid;
2903
2904 sc = arg;
2905 ic = &sc->ic;
2906 rni = (struct rt2860_softc_node *) ni;
2907
2908 /* only associated stations */
2909
2910 if (rni->staid != 0)
2911 {
2912 wcid = rni->staid;
2913
2914 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2915 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2916 device_get_nameunit(sc->dev),
2917 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2918
2919 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2920
2921 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2922 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
2923 device_get_nameunit(sc->dev),
2924 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2925 ni->ni_associd, rni->staid,
2926 (ni->ni_flags & IEEE80211_NODE_HT) ?
2927 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2928 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2929 (ni->ni_flags & IEEE80211_NODE_HT) ?
2930 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2931 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2932 }
2933 }
2934
2935 /*
2936 * rt2860_periodic
2937 */
2938 static void rt2860_periodic(void *arg)
2939 {
2940 struct rt2860_softc *sc;
2941
2942 sc = arg;
2943
2944 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2945 "%s: periodic\n",
2946 device_get_nameunit(sc->dev));
2947
2948 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2949 }
2950
2951 /*
2952 * rt2860_tx_watchdog
2953 */
2954 static void rt2860_tx_watchdog(void *arg)
2955 {
2956 struct rt2860_softc *sc;
2957 struct ifnet *ifp;
2958
2959 sc = arg;
2960 ifp = sc->ifp;
2961
2962 if (sc->tx_timer == 0)
2963 return;
2964
2965 if (--sc->tx_timer == 0)
2966 {
2967 printf("%s: Tx watchdog timeout: resetting\n",
2968 device_get_nameunit(sc->dev));
2969
2970 rt2860_stop_locked(sc);
2971 rt2860_init_locked(sc);
2972
2973 ifp->if_oerrors++;
2974
2975 sc->tx_watchdog_timeouts++;
2976 }
2977
2978 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2979 }
2980
2981 /*
2982 * rt2860_staid_alloc
2983 */
2984 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
2985 {
2986 int staid;
2987
2988 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
2989 {
2990 staid = aid;
2991 }
2992 else
2993 {
2994 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
2995 {
2996 if (isclr(sc->staid_mask, staid))
2997 break;
2998 }
2999 }
3000
3001 setbit(sc->staid_mask, staid);
3002
3003 return staid;
3004 }
3005
3006 /*
3007 * rt2860_staid_delete
3008 */
3009 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
3010 {
3011 clrbit(sc->staid_mask, staid);
3012 }
3013
3014 /*
3015 * rt2860_asic_set_bssid
3016 */
3017 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
3018 const uint8_t *bssid)
3019 {
3020 uint32_t tmp;
3021
3022 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3023 "%s: set bssid: bssid=%s\n",
3024 device_get_nameunit(sc->dev), ether_sprintf(bssid));
3025
3026 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3027
3028 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
3029
3030 tmp = bssid[4] | (bssid[5] << 8);
3031
3032 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
3033 }
3034
3035 /*
3036 * rt2860_asic_set_macaddr
3037 */
3038 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
3039 const uint8_t *addr)
3040 {
3041 uint32_t tmp;
3042
3043 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3044
3045 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
3046
3047 tmp = addr[4] | (addr[5] << 8) | (0xff << 16);
3048
3049 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
3050 }
3051
3052 /*
3053 * rt2860_asic_enable_tsf_sync
3054 */
3055 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
3056 {
3057 struct ieee80211com *ic;
3058 uint32_t tmp;
3059
3060 ic = &sc->ic;
3061
3062 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3063 "%s: enabling TSF\n",
3064 device_get_nameunit(sc->dev));
3065
3066 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3067
3068 tmp &= ~0x1fffff;
3069 tmp |= ic->ic_bss->ni_intval * 16;
3070 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3071
3072 if (ic->ic_opmode == IEEE80211_M_STA)
3073 {
3074 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3075 }
3076 else if (ic->ic_opmode == IEEE80211_M_IBSS)
3077 {
3078 tmp |= RT2860_REG_BCN_TX_ENABLE;
3079 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3080 }
3081 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
3082 {
3083 tmp |= RT2860_REG_BCN_TX_ENABLE;
3084 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3085 }
3086
3087 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3088 }
3089
3090 /*
3091 * rt2860_asic_disable_tsf_sync
3092 */
3093 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3094 {
3095 uint32_t tmp;
3096
3097 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3098 "%s: disabling TSF\n",
3099 device_get_nameunit(sc->dev));
3100
3101 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3102
3103 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3104 RT2860_REG_TSF_TIMER_ENABLE |
3105 RT2860_REG_TBTT_TIMER_ENABLE);
3106
3107 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3108 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3109
3110 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3111 }
3112
3113 /*
3114 * rt2860_asic_enable_mrr
3115 */
3116 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3117 {
3118 #define CCK(mcs) (mcs)
3119 #define OFDM(mcs) ((1 << 3) | (mcs))
3120 #define HT(mcs) (mcs)
3121
3122 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3123 (OFDM(6) << 28) | /* 54 -> 48 */
3124 (OFDM(5) << 24) | /* 48 -> 36 */
3125 (OFDM(4) << 20) | /* 36 -> 24 */
3126 (OFDM(3) << 16) | /* 24 -> 18 */
3127 (OFDM(2) << 12) | /* 18 -> 12 */
3128 (OFDM(1) << 8) | /* 12 -> 9 */
3129 (OFDM(0) << 4) | /* 9 -> 6 */
3130 OFDM(0)); /* 6 -> 6 */
3131
3132 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3133 (CCK(2) << 12) | /* 11 -> 5.5 */
3134 (CCK(1) << 8) | /* 5.5 -> 2 */
3135 (CCK(0) << 4) | /* 2 -> 1 */
3136 CCK(0)); /* 1 -> 1 */
3137
3138 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3139 (HT(6) << 28) |
3140 (HT(5) << 24) |
3141 (HT(4) << 20) |
3142 (HT(3) << 16) |
3143 (HT(2) << 12) |
3144 (HT(1) << 8) |
3145 (HT(0) << 4) |
3146 HT(0));
3147
3148 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3149 (HT(14) << 28) |
3150 (HT(13) << 24) |
3151 (HT(12) << 20) |
3152 (HT(11) << 16) |
3153 (HT(10) << 12) |
3154 (HT(9) << 8) |
3155 (HT(8) << 4) |
3156 HT(7));
3157
3158 #undef HT
3159 #undef OFDM
3160 #undef CCK
3161 }
3162
3163 /*
3164 * rt2860_asic_set_txpreamble
3165 */
3166 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3167 {
3168 struct ieee80211com *ic;
3169 uint32_t tmp;
3170
3171 ic = &sc->ic;
3172
3173 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3174 "%s: %s short Tx preamble\n",
3175 device_get_nameunit(sc->dev),
3176 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3177
3178 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3179
3180 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3181
3182 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
3183 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3184
3185 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3186 }
3187
3188 /*
3189 * rt2860_asic_set_basicrates
3190 */
3191 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3192 {
3193 struct ieee80211com *ic;
3194
3195 ic = &sc->ic;
3196
3197 if (ic->ic_curmode == IEEE80211_MODE_11B)
3198 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0xf);
3199 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3200 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3201 else
3202 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3203 }
3204
3205 /*
3206 * rt2860_asic_update_rtsthreshold
3207 */
3208 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3209 {
3210 struct ieee80211com *ic;
3211 uint32_t tmp;
3212 uint16_t threshold;
3213
3214 ic = &sc->ic;
3215
3216 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3217 "%s: updating RTS threshold: %d\n",
3218 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
3219
3220 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3221
3222 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3223
3224 if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_TX)
3225 threshold = 0x1000;
3226 else
3227 threshold = ic->ic_rtsthreshold;
3228
3229
3230 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3231 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3232
3233 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3234 }
3235
3236 /*
3237 * rt2860_asic_update_txpower
3238 */
3239 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3240 {
3241 struct ieee80211com *ic;
3242 uint32_t *txpow_rate;
3243 int8_t delta;
3244 uint8_t val;
3245 uint32_t tmp;
3246 int i;
3247
3248 ic = &sc->ic;
3249
3250 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3251 "%s: updating Tx power: %d\n",
3252 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3253
3254 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3255 {
3256 txpow_rate = sc->txpow_rate_20mhz;
3257 }
3258 else
3259 {
3260 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3261 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3262 else
3263 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3264 }
3265
3266 delta = 0;
3267
3268 val = rt2860_io_bbp_read(sc, 1);
3269 val &= 0xfc;
3270
3271 if (ic->ic_txpowlimit > 90)
3272 {
3273 /* do nothing */
3274 }
3275 else if (ic->ic_txpowlimit > 60)
3276 {
3277 delta -= 1;
3278 }
3279 else if (ic->ic_txpowlimit > 30)
3280 {
3281 delta -= 3;
3282 }
3283 else if (ic->ic_txpowlimit > 15)
3284 {
3285 val |= 0x1;
3286 }
3287 else if (ic->ic_txpowlimit > 9)
3288 {
3289 val |= 0x1;
3290 delta -= 3;
3291 }
3292 else
3293 {
3294 val |= 0x2;
3295 }
3296
3297 rt2860_io_bbp_write(sc, 1, val);
3298
3299 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3300 {
3301 if (txpow_rate[i] == 0xffffffff)
3302 continue;
3303
3304 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3305
3306 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3307 }
3308 }
3309
3310 /*
3311 * rt2860_asic_update_promisc
3312 */
3313 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3314 {
3315 struct ifnet *ifp;
3316 uint32_t tmp;
3317
3318 ifp = sc->ic.ic_ifp;
3319
3320 printf("%s: %s promiscuous mode\n",
3321 device_get_nameunit(sc->dev),
3322 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3323
3324 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3325
3326 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3327
3328 if (!(ifp->if_flags & IFF_PROMISC))
3329 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3330
3331 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3332 }
3333
3334 /*
3335 * rt2860_asic_updateprot
3336 */
3337 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3338 {
3339 struct ieee80211com *ic;
3340 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3341 uint8_t htopmode;
3342 enum ieee80211_protmode htprotmode;
3343
3344 ic = &sc->ic;
3345
3346 /* CCK frame protection */
3347
3348 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3349 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3350
3351 /* set up protection frame phy mode and rate (MCS code) */
3352
3353 if (ic->ic_curmode == IEEE80211_MODE_11A)
3354 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3355 (0 << RT2860_REG_PROT_MCS_SHIFT);
3356 else
3357 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3358 (3 << RT2860_REG_PROT_MCS_SHIFT));
3359
3360 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3361
3362 /* OFDM frame protection */
3363
3364 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3365 RT2860_REG_TXOP_ALLOW_ALL;
3366
3367 if (ic->ic_flags & IEEE80211_F_USEPROT)
3368 {
3369 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3370 "%s: updating protection mode: b/g protection mode=%s\n",
3371 device_get_nameunit(sc->dev),
3372 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3373 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3374
3375 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3376 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3377 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3378 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3379 else
3380 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3381 }
3382 else
3383 {
3384 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3385 "%s: updating protection mode: b/g protection mode=%s\n",
3386 device_get_nameunit(sc->dev), "none");
3387
3388 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3389 }
3390
3391 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3392
3393 /* HT frame protection */
3394
3395 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3396 htopmode = ic->ic_bss->ni_htopmode;
3397 else
3398 htopmode = ic->ic_curhtprotmode;
3399
3400 htprotmode = ic->ic_htprotmode;
3401
3402 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3403
3404 if (sc->tx_ampdu_sessions > 0)
3405 {
3406 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3407 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3408 device_get_nameunit(sc->dev));
3409
3410 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3411 htprotmode = IEEE80211_PROT_RTSCTS;
3412 }
3413
3414 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3415 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3416 device_get_nameunit(sc->dev),
3417 htopmode & IEEE80211_HTINFO_OPMODE,
3418 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3419 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3420
3421 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3422 {
3423 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3424 case IEEE80211_HTINFO_OPMODE_HT20PR:
3425 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3426 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3427 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3428 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3429 (4 << RT2860_REG_PROT_MCS_SHIFT);
3430
3431 gf20_prot = mm20_prot;
3432
3433 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3434 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3435 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3436
3437 if (htprotmode == IEEE80211_PROT_RTSCTS)
3438 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3439 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3440 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3441 else
3442 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3443
3444 gf40_prot = mm40_prot;
3445 break;
3446
3447 /* IEEE80211_HTINFO_OPMODE_MIXED */
3448 case IEEE80211_HTINFO_OPMODE_MIXED:
3449 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3450 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3451 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3452
3453 if (ic->ic_flags & IEEE80211_F_USEPROT)
3454 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3455 (3 << RT2860_REG_PROT_MCS_SHIFT);
3456 else
3457 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3458 (4 << RT2860_REG_PROT_MCS_SHIFT);
3459
3460 if (htprotmode == IEEE80211_PROT_RTSCTS)
3461 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3462 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3463 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3464 else
3465 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3466
3467 gf20_prot = mm20_prot;
3468
3469 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3470
3471 if (ic->ic_flags & IEEE80211_F_USEPROT)
3472 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3473 (3 << RT2860_REG_PROT_MCS_SHIFT);
3474 else
3475 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3476 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3477
3478 if (htprotmode == IEEE80211_PROT_RTSCTS)
3479 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3480 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3481 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3482 else
3483 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3484
3485 gf40_prot = mm40_prot;
3486 break;
3487
3488 /*
3489 * IEEE80211_HTINFO_OPMODE_PURE
3490 * IEEE80211_HTINFO_OPMODE_PROTOPT
3491 */
3492 case IEEE80211_HTINFO_OPMODE_PURE:
3493 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3494 default:
3495 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3496 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3497 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3498 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3499 (4 << RT2860_REG_PROT_MCS_SHIFT);
3500
3501 gf20_prot = mm20_prot;
3502
3503 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3504 RT2860_REG_TXOP_ALLOW_ALL |
3505 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3506 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3507
3508 gf40_prot = mm40_prot;
3509 break;
3510 }
3511
3512 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3513 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3514 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3515 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3516 }
3517
3518 /*
3519 * rt2860_asic_updateslot
3520 */
3521 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3522 {
3523 struct ieee80211com *ic;
3524 uint32_t tmp;
3525
3526 ic = &sc->ic;
3527
3528 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3529 "%s: %s short slot time\n",
3530 device_get_nameunit(sc->dev),
3531 (ic->ic_flags & (IEEE80211_F_SHSLOT | IEEE80211_F_BURST)) ? "enabling" : "disabling");
3532
3533 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3534
3535 tmp &= ~0xff;
3536 tmp |= (ic->ic_flags & (IEEE80211_F_SHSLOT |IEEE80211_F_BURST)) ? 9 : 20;
3537
3538 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3539 }
3540
3541 /*
3542 * rt2860_asic_wme_update
3543 */
3544 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3545 {
3546 struct ieee80211com *ic;
3547 struct ieee80211_wme_state *wme;
3548 const struct wmeParams *wmep;
3549 int i;
3550
3551 ic = &sc->ic;
3552 wme = &ic->ic_wme;
3553 wmep = wme->wme_chanParams.cap_wmeParams;
3554
3555 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3556 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3557 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3558 device_get_nameunit(sc->dev),
3559 wmep[WME_AC_VO].wmep_aifsn,
3560 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3561 wmep[WME_AC_VO].wmep_txopLimit,
3562 wmep[WME_AC_VI].wmep_aifsn,
3563 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3564 wmep[WME_AC_VI].wmep_txopLimit,
3565 wmep[WME_AC_BK].wmep_aifsn,
3566 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3567 wmep[WME_AC_BK].wmep_txopLimit,
3568 wmep[WME_AC_BE].wmep_aifsn,
3569 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3570 wmep[WME_AC_BE].wmep_txopLimit);
3571
3572 for (i = 0; i < WME_NUM_AC; i++)
3573 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3574 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3575 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3576
3577 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3578 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3579 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3580
3581 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3582 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3583 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3584
3585 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3586 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3587 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3588
3589 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3590 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3591
3592 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3593 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3594 }
3595
3596 /*
3597 * rt2860_asic_update_beacon
3598 */
3599 static void rt2860_asic_update_beacon(struct rt2860_softc *sc)
3600 {
3601 struct ieee80211com *ic;
3602 struct mbuf *m;
3603 struct rt2860_txwi *txwi;
3604 uint32_t tmp;
3605
3606 ic = &sc->ic;
3607
3608 m = sc->beacon_mbuf;
3609 txwi = &sc->beacon_txwi;
3610
3611 /* disable temporarily TSF sync */
3612
3613 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3614
3615 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3616 RT2860_REG_TSF_TIMER_ENABLE |
3617 RT2860_REG_TBTT_TIMER_ENABLE);
3618
3619 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3620
3621 /* write Tx wireless info and beacon frame to on-chip memory */
3622
3623 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3624 txwi, sizeof(struct rt2860_txwi));
3625
3626 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3627 mtod(m, uint8_t *), m->m_pkthdr.len);
3628
3629 /* enable again TSF sync */
3630
3631 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3632
3633 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3634 RT2860_REG_TSF_TIMER_ENABLE |
3635 RT2860_REG_TBTT_TIMER_ENABLE);
3636
3637 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3638 }
3639
3640 /*
3641 * rt2860_asic_clear_keytables
3642 */
3643 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3644 {
3645 int i;
3646
3647 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3648
3649 for (i = 0; i < 256; i++)
3650 {
3651 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3652 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3653 }
3654
3655 /* clear WCID attribute table (entries = 256, entry size = 4) */
3656
3657 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3658
3659 /* clear IV/EIV table (entries = 256, entry size = 8) */
3660
3661 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3662
3663 /* clear pairwise key table (entries = 64, entry size = 32) */
3664
3665 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3666
3667 /* clear shared key table (entries = 32, entry size = 32) */
3668
3669 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3670
3671 /* clear shared key mode (entries = 32, entry size = 2) */
3672
3673 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3674 }
3675
3676 /*
3677 * rt2860_asic_add_ba_session
3678 */
3679 static void rt2860_asic_add_ba_session(struct rt2860_softc *sc,
3680 uint8_t wcid, int tid)
3681 {
3682 uint32_t tmp;
3683
3684 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3685 "%s: adding BA session: wcid=0x%02x, tid=%d\n",
3686 device_get_nameunit(sc->dev), wcid, tid);
3687
3688 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
3689
3690 tmp |= (0x10000 << tid);
3691
3692 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
3693 }
3694
3695 /*
3696 * rt2860_asic_del_ba_session
3697 */
3698 static void rt2860_asic_del_ba_session(struct rt2860_softc *sc,
3699 uint8_t wcid, int tid)
3700 {
3701 uint32_t tmp;
3702
3703 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3704 "%s: deleting BA session: wcid=0x%02x, tid=%d\n",
3705 device_get_nameunit(sc->dev), wcid, tid);
3706
3707 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
3708
3709 tmp &= ~(0x10000 << tid);
3710
3711 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
3712 }
3713
3714 /*
3715 * rt2860_beacon_alloc
3716 */
3717 static int rt2860_beacon_alloc(struct rt2860_softc *sc)
3718 {
3719 struct ieee80211com *ic;
3720 struct mbuf *m;
3721 struct rt2860_txwi txwi;
3722 uint8_t rate, mcs;
3723
3724 ic = &sc->ic;
3725
3726 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3727 if (m == NULL)
3728 return ENOMEM;
3729
3730 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3731 mcs = rt2860_rate2mcs(rate);
3732
3733 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3734 "%s: beacon allocate: mcs=0x%02x\n",
3735 device_get_nameunit(sc->dev), mcs);
3736
3737 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3738
3739 txwi.wcid = RT2860_WCID_RESERVED;
3740 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3741 RT2860_TXWI_MPDU_LEN_SHIFT);
3742 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3743 txwi.mpdu_density_flags |=
3744 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3745 txwi.bawin_size_xflags |=
3746 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3747
3748 if (rate == 2)
3749 {
3750 txwi.phymode_ifs_stbc_shortgi =
3751 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3752
3753 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3754 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3755 }
3756 else
3757 {
3758 txwi.phymode_ifs_stbc_shortgi =
3759 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3760 }
3761
3762 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3763 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3764
3765 if (sc->beacon_mbuf != NULL)
3766 {
3767 m_free(sc->beacon_mbuf);
3768 sc->beacon_mbuf = NULL;
3769 }
3770
3771 sc->beacon_mbuf = m;
3772 sc->beacon_txwi = txwi;
3773
3774 return 0;
3775 }
3776
3777 /*
3778 * rt2860_rxrate
3779 */
3780 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3781 {
3782 uint8_t mcs, phymode;
3783 uint8_t rate;
3784
3785 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3786 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3787 RT2860_RXWI_PHYMODE_MASK;
3788
3789 rate = 2;
3790
3791 switch (phymode)
3792 {
3793 case RT2860_RXWI_PHYMODE_CCK:
3794 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3795 {
3796 case 0: rate = 2; break; /* 1 Mbps */
3797 case 1: rate = 4; break; /* 2 MBps */
3798 case 2: rate = 11; break; /* 5.5 Mbps */
3799 case 3: rate = 22; break; /* 11 Mbps */
3800 }
3801 break;
3802
3803 case RT2860_RXWI_PHYMODE_OFDM:
3804 switch (mcs)
3805 {
3806 case 0: rate = 12; break; /* 6 Mbps */
3807 case 1: rate = 18; break; /* 9 Mbps */
3808 case 2: rate = 24; break; /* 12 Mbps */
3809 case 3: rate = 36; break; /* 18 Mbps */
3810 case 4: rate = 48; break; /* 24 Mbps */
3811 case 5: rate = 72; break; /* 36 Mbps */
3812 case 6: rate = 96; break; /* 48 Mbps */
3813 case 7: rate = 108; break; /* 54 Mbps */
3814 }
3815 break;
3816
3817 case RT2860_RXWI_PHYMODE_HT_MIXED:
3818 case RT2860_RXWI_PHYMODE_HT_GF:
3819 break;
3820 }
3821
3822 return rate;
3823 }
3824
3825 /*
3826 * rt2860_maxrssi_rxpath
3827 */
3828 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3829 const struct rt2860_rxwi *rxwi)
3830 {
3831 uint8_t rxpath;
3832
3833 rxpath = 0;
3834
3835 if (sc->nrxpath > 1)
3836 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3837 rxpath = 1;
3838
3839 if (sc->nrxpath > 2)
3840 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3841 rxpath = 2;
3842
3843 return rxpath;
3844 }
3845
3846 /*
3847 * rt2860_rssi2dbm
3848 */
3849 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3850 uint8_t rssi, uint8_t rxpath)
3851 {
3852 struct ieee80211com *ic;
3853 struct ieee80211_channel *c;
3854 int chan;
3855 int8_t rssi_off, lna_gain;
3856
3857 if (rssi == 0)
3858 return -99;
3859
3860 ic = &sc->ic;
3861 c = ic->ic_curchan;
3862 chan = ieee80211_chan2ieee(ic, c);
3863
3864 if (IEEE80211_IS_CHAN_5GHZ(c))
3865 {
3866 rssi_off = sc->rssi_off_5ghz[rxpath];
3867
3868 if (chan <= 64)
3869 lna_gain = sc->lna_gain[1];
3870 else if (chan <= 128)
3871 lna_gain = sc->lna_gain[2];
3872 else
3873 lna_gain = sc->lna_gain[3];
3874 }
3875 else
3876 {
3877 rssi_off = sc->rssi_off_2ghz[rxpath];
3878 lna_gain = sc->lna_gain[0];
3879 }
3880
3881 return (-12 - rssi_off - lna_gain - rssi);
3882 }
3883
3884 /*
3885 * rt2860_rate2mcs
3886 */
3887 static uint8_t rt2860_rate2mcs(uint8_t rate)
3888 {
3889 switch (rate)
3890 {
3891 /* CCK rates */
3892 case 2: return 0;
3893 case 4: return 1;
3894 case 11: return 2;
3895 case 22: return 3;
3896
3897 /* OFDM rates */
3898 case 12: return 0;
3899 case 18: return 1;
3900 case 24: return 2;
3901 case 36: return 3;
3902 case 48: return 4;
3903 case 72: return 5;
3904 case 96: return 6;
3905 case 108: return 7;
3906 }
3907
3908 return 0;
3909 }
3910
3911 /*
3912 * rt2860_ackrate
3913 */
3914 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3915 {
3916 switch (rate)
3917 {
3918 /* CCK rates */
3919
3920 case 2:
3921 return 2;
3922
3923 case 4:
3924 case 11:
3925 case 22:
3926 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3927
3928 /* OFDM rates */
3929
3930 case 12:
3931 case 18:
3932 return 12;
3933
3934 case 24:
3935 case 36:
3936 return 24;
3937
3938 case 48:
3939 case 72:
3940 case 96:
3941 case 108:
3942 return 48;
3943 }
3944
3945 /* default to 1Mbps */
3946 return 2;
3947 }
3948
3949 /*
3950 * rt2860_txtime
3951 */
3952 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3953 {
3954 uint16_t txtime;
3955
3956 if (RT2860_RATE_IS_OFDM(rate))
3957 {
3958 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3959 txtime = 16 + 4 + 4 * txtime + 6;
3960 }
3961 else
3962 {
3963 txtime = (16 * len + rate - 1) / rate;
3964
3965 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3966 txtime += 72 + 24;
3967 else
3968 txtime += 144 + 48;
3969 }
3970
3971 return txtime;
3972 }
3973
3974 /*
3975 * rt2860_tx_frame
3976 */
3977 static int rt2860_tx_frame(struct rt2860_softc *sc,
3978 struct mbuf *m, struct ieee80211_node *ni, int qid)
3979 {
3980 struct ieee80211com *ic;
3981 struct rt2860_softc_node *rni;
3982 struct rt2860_softc_tx_ring *ring;
3983 struct rt2860_softc_tx_data *data;
3984 struct rt2860_txdesc *desc;
3985 struct rt2860_txwi *txwi;
3986 struct ieee80211_frame *wh;
3987 struct ieee80211_tx_ampdu *tx_ampdu;
3988 struct rt2860_softc_tx_radiotap_header *tap;
3989 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3990 u_int hdrsize, hdrspace;
3991 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
3992 uint16_t qos, len, dmalen, mpdu_len, dur;
3993 int error, hasqos, ac, ampdu, mimops, ackrate, ndmasegs, ndescs, i, j;
3994
3995 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3996 ("%s: Tx frame: invalid qid=%d\n",
3997 device_get_nameunit(sc->dev), qid));
3998
3999 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4000
4001 ic = &sc->ic;
4002 rni = (struct rt2860_softc_node *) ni;
4003
4004 ring = &sc->tx_ring[qid];
4005 desc = &ring->desc[ring->desc_cur];
4006 data = &ring->data[ring->data_cur];
4007 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4008
4009 wh = mtod(m, struct ieee80211_frame *);
4010
4011 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4012
4013 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4014 if (hasqos)
4015 {
4016 if (IEEE80211_HAS_ADDR4(wh))
4017 qos = le16toh(*(const uint16_t *)
4018 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4019 else
4020 qos = le16toh(*(const uint16_t *)
4021 (((struct ieee80211_qosframe *) wh)->i_qos));
4022 }
4023 else
4024 {
4025 qos = 0;
4026 }
4027
4028 if (ni->ni_flags & IEEE80211_NODE_HT)
4029 {
4030 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4031 rate = 0;
4032 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4033 rate = ic->ic_fixed_rate;
4034 else
4035 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
4036 }
4037 else
4038 {
4039 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4040 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
4041 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4042 rate = ic->ic_fixed_rate;
4043 else
4044 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
4045 }
4046
4047 rate &= IEEE80211_RATE_VAL;
4048
4049 /* fill Tx wireless info */
4050
4051 if (ni->ni_flags & IEEE80211_NODE_HT)
4052 mcs = rate;
4053 else
4054 mcs = rt2860_rate2mcs(rate);
4055
4056 /* management frames do not need encryption */
4057
4058 if (type == IEEE80211_FC0_TYPE_DATA)
4059 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
4060 else
4061 wcid = RT2860_WCID_RESERVED;
4062
4063 /* calculate MPDU length without padding */
4064
4065 hdrsize = ieee80211_anyhdrsize(wh);
4066 hdrspace = ieee80211_anyhdrspace(ic, wh);
4067 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4068
4069 memset(txwi, 0, sizeof(struct rt2860_txwi));
4070
4071 txwi->wcid = wcid;
4072
4073 /* MIMO power save */
4074
4075 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4076 ((ni->ni_htcap & IEEE80211_HTCAP_SMPS) != IEEE80211_HTCAP_SMPS_OFF))
4077 {
4078 if (mcs > 7)
4079 {
4080 if ((ni->ni_htcap & IEEE80211_HTCAP_SMPS) == IEEE80211_HTCAP_SMPS_DYNAMIC)
4081 {
4082 /* dynamic MIMO power save */
4083
4084 txwi->mpdu_density_flags |=
4085 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4086 }
4087 else
4088 {
4089 /* static MIMO power save */
4090
4091 mcs = 7;
4092 }
4093 }
4094
4095 mimops = 1;
4096 }
4097 else
4098 {
4099 mimops = 0;
4100 }
4101
4102 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4103
4104 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4105 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4106 RT2860_TXWI_MPDU_LEN_SHIFT);
4107
4108 stbc = ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) &&
4109 sc->tx_stbc && (mcs <= 7) && (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4110 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4111
4112 shortgi = ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) &&
4113 (((ic->ic_flags_ext & IEEE80211_FEXT_SHORTGI20) &&
4114 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20) &&
4115 (ni->ni_chw == 20)) ||
4116 ((ic->ic_flags_ext & IEEE80211_FEXT_SHORTGI40) &&
4117 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40) &&
4118 (ni->ni_chw == 40)));
4119
4120 txwi->phymode_ifs_stbc_shortgi |=
4121 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4122 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4123
4124 if (ni->ni_flags & IEEE80211_NODE_HT)
4125 {
4126 txwi->phymode_ifs_stbc_shortgi |=
4127 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4128 }
4129 else
4130 {
4131 if (!RT2860_RATE_IS_OFDM(rate))
4132 {
4133 txwi->phymode_ifs_stbc_shortgi |=
4134 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4135
4136 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4137 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4138 }
4139 else
4140 {
4141 txwi->phymode_ifs_stbc_shortgi |=
4142 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4143 }
4144 }
4145
4146 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4147 bw = RT2860_TXWI_BW_40;
4148 else
4149 bw = RT2860_TXWI_BW_20;
4150
4151 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4152 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4153
4154 if (type != IEEE80211_FC0_TYPE_DATA)
4155 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
4156 else
4157 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4158
4159 /* skip ACKs for multicast frames */
4160
4161 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4162 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4163 {
4164 txwi->bawin_size_xflags |=
4165 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4166
4167 if (ni->ni_flags & IEEE80211_NODE_HT)
4168 {
4169 /* preamble + plcp + signal extension + SIFS */
4170
4171 dur = 16 + 4 + 6 + 10;
4172 }
4173 else
4174 {
4175 ackrate = rt2860_ackrate(ic, rate);
4176
4177 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
4178 sc->sifs;
4179 }
4180
4181 *(uint16_t *) wh->i_dur = htole16(dur);
4182 }
4183
4184 /* check for A-MPDU */
4185
4186 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
4187 {
4188 ac = M_WME_GETAC(m);
4189 tx_ampdu = &ni->ni_tx_ampdu[ac];
4190
4191 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4192 bawin_size = tx_ampdu->txa_wnd;
4193
4194 txwi->mpdu_density_flags |=
4195 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4196 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4197
4198 txwi->bawin_size_xflags |=
4199 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4200
4201 if (IEEE80211_HAS_ADDR4(wh))
4202 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4203 else
4204 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4205
4206 ampdu = 1;
4207 }
4208 else
4209 {
4210 mpdu_density = 0;
4211 bawin_size = 0;
4212 ampdu = 0;
4213 }
4214
4215 /* ask MAC to insert timestamp into probe responses */
4216
4217 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4218 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4219 txwi->mpdu_density_flags |=
4220 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4221
4222 if (bpf_peers_present(sc->drvbpf))
4223 {
4224 tap = &sc->txtap;
4225
4226 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4227 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4228 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4229 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4230 tap->chan_maxpow = 0;
4231
4232 if (ni->ni_flags & IEEE80211_NODE_HT)
4233 tap->rate = mcs | IEEE80211_RATE_MCS;
4234 else
4235 tap->rate = rate;
4236
4237 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4238 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4239
4240 if (shortgi)
4241 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4242
4243 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4244 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4245
4246 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
4247
4248 if (ampdu)
4249 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
4250
4251 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4252 {
4253 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4254
4255 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4256
4257 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4258 }
4259 else
4260 {
4261 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4262 }
4263 }
4264
4265 /* copy and trim 802.11 header */
4266
4267 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4268 m_adj(m, hdrspace);
4269
4270 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4271 dma_seg, &ndmasegs, 0);
4272 if (error != 0)
4273 {
4274 /* too many fragments, linearize */
4275
4276 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4277 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
4278 device_get_nameunit(sc->dev));
4279
4280 m = m_defrag(m, M_DONTWAIT);
4281 if (m == NULL)
4282 return ENOMEM;
4283
4284 sc->tx_defrag_packets++;
4285
4286 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4287 dma_seg, &ndmasegs, 0);
4288 if (error != 0)
4289 {
4290 printf("%s: could not load mbuf DMA map: error=%d\n",
4291 device_get_nameunit(sc->dev), error);
4292 m_freem(m);
4293 return error;
4294 }
4295 }
4296
4297 if (m->m_pkthdr.len == 0)
4298 ndmasegs = 0;
4299
4300 /* determine how many Tx descs are required */
4301
4302 ndescs = 1 + ndmasegs / 2;
4303 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4304 {
4305 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4306 "%s: there are not enough Tx descs\n",
4307 device_get_nameunit(sc->dev));
4308
4309 sc->no_tx_desc_avail++;
4310
4311 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4312 m_freem(m);
4313 return EFBIG;
4314 }
4315
4316 data->m = m;
4317 data->ni = ni;
4318
4319 /* set up Tx descs */
4320
4321 /* first segment is Tx wireless info and 802.11 header */
4322
4323 len = sizeof(struct rt2860_txwi) + hdrsize;
4324
4325 /* align end on a 4-bytes boundary */
4326
4327 dmalen = (len + 3) & ~ 3;
4328
4329 memset((caddr_t) txwi + len, 0, dmalen - len);
4330
4331 qsel = RT2860_TXDESC_QSEL_EDCA;
4332
4333 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4334 desc->sdl0 = htole16(dmalen);
4335 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4336
4337 /* set up payload segments */
4338
4339 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4340 {
4341 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4342 desc->sdl1 = htole16(dma_seg[j].ds_len);
4343
4344 ring->desc_queued++;
4345 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4346
4347 j++;
4348
4349 desc = &ring->desc[ring->desc_cur];
4350
4351 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4352 desc->sdl0 = htole16(dma_seg[j].ds_len);
4353 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4354
4355 j++;
4356 }
4357
4358 /* finalize last payload segment */
4359
4360 if (i > 0)
4361 {
4362 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4363 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4364 }
4365 else
4366 {
4367 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4368 desc->sdl1 = 0;
4369 }
4370
4371 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4372 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4373 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d (density=%d, winsize=%d), "
4374 "mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4375 device_get_nameunit(sc->dev),
4376 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4377 bw, stbc, shortgi, mcs, wcid, ampdu, mpdu_density, bawin_size, mimops, dmalen, ndmasegs,
4378 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);
4379
4380 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4381 BUS_DMASYNC_PREWRITE);
4382 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4383 BUS_DMASYNC_PREWRITE);
4384 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4385 BUS_DMASYNC_PREWRITE);
4386
4387 ring->desc_queued++;
4388 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4389
4390 ring->data_queued++;
4391 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4392
4393 /* kick Tx */
4394
4395 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4396
4397 return 0;
4398 }
4399
4400 /*
4401 * rt2860_tx_raw
4402 */
4403 static int rt2860_tx_raw(struct rt2860_softc *sc,
4404 struct mbuf *m, struct ieee80211_node *ni,
4405 const struct ieee80211_bpf_params *params)
4406 {
4407 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4408 "%s: Tx raw\n",
4409 device_get_nameunit(sc->dev));
4410
4411 return 0;
4412 }
4413
4414 /*
4415 * rt2860_intr
4416 */
4417 static void rt2860_intr(void *arg)
4418 {
4419 struct rt2860_softc *sc;
4420 struct ifnet *ifp;
4421 uint32_t status;
4422
4423 sc = arg;
4424 ifp = sc->ifp;
4425
4426 /* acknowledge interrupts */
4427
4428 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4429 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4430
4431 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4432 "%s: interrupt: status = 0x%08x\n",
4433 device_get_nameunit(sc->dev), status);
4434
4435 if (status == 0xffffffff || /* device likely went away */
4436 status == 0) /* not for us */
4437 return;
4438
4439 sc->interrupts++;
4440
4441 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4442 return;
4443
4444 if (status & RT2860_REG_INT_TX_COHERENT)
4445 rt2860_tx_coherent_intr(sc);
4446
4447 if (status & RT2860_REG_INT_RX_COHERENT)
4448 rt2860_rx_coherent_intr(sc);
4449
4450 if (status & RT2860_REG_INT_TXRX_COHERENT)
4451 rt2860_txrx_coherent_intr(sc);
4452
4453 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4454 rt2860_fifo_sta_full_intr(sc);
4455
4456 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4457 rt2860_tx_intr(sc, 5);
4458
4459 if (status & RT2860_REG_INT_RX_DONE)
4460 rt2860_rx_intr(sc);
4461
4462 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4463 rt2860_rx_delay_intr(sc);
4464
4465 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4466 rt2860_tx_intr(sc, 4);
4467
4468 if (status & RT2860_REG_INT_TX_AC3_DONE)
4469 rt2860_tx_intr(sc, 3);
4470
4471 if (status & RT2860_REG_INT_TX_AC2_DONE)
4472 rt2860_tx_intr(sc, 2);
4473
4474 if (status & RT2860_REG_INT_TX_AC1_DONE)
4475 rt2860_tx_intr(sc, 1);
4476
4477 if (status & RT2860_REG_INT_TX_AC0_DONE)
4478 rt2860_tx_intr(sc, 0);
4479
4480 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4481 rt2860_tx_delay_intr(sc);
4482
4483 if (status & RT2860_REG_INT_PRE_TBTT)
4484 rt2860_pre_tbtt_intr(sc);
4485
4486 if (status & RT2860_REG_INT_TBTT)
4487 rt2860_tbtt_intr(sc);
4488
4489 if (status & RT2860_REG_INT_MCU_CMD)
4490 rt2860_mcu_cmd_intr(sc);
4491
4492 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4493 rt2860_auto_wakeup_intr(sc);
4494
4495 if (status & RT2860_REG_INT_GP_TIMER)
4496 rt2860_gp_timer_intr(sc);
4497 }
4498
4499 /*
4500 * rt2860_tx_coherent_intr
4501 */
4502 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4503 {
4504 uint32_t tmp;
4505 int i;
4506
4507 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4508 "%s: Tx coherent interrupt\n",
4509 device_get_nameunit(sc->dev));
4510
4511 sc->tx_coherent_interrupts++;
4512
4513 /* restart DMA engine */
4514
4515 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4516
4517 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4518 RT2860_REG_RX_DMA_ENABLE |
4519 RT2860_REG_TX_DMA_ENABLE);
4520
4521 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4522
4523 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4524
4525 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4526 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4527
4528 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4529 {
4530 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4531 sc->tx_ring[i].desc_phys_addr);
4532 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4533 RT2860_SOFTC_TX_RING_DESC_COUNT);
4534 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4535 }
4536
4537 /* init Rx ring */
4538
4539 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4540
4541 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4542 sc->rx_ring.desc_phys_addr);
4543 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4544 RT2860_SOFTC_RX_RING_DATA_COUNT);
4545 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4546 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4547
4548 rt2860_txrx_enable(sc);
4549 }
4550
4551 /*
4552 * rt2860_rx_coherent_intr
4553 */
4554 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4555 {
4556 uint32_t tmp;
4557 int i;
4558
4559 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4560 "%s: Rx coherent interrupt\n",
4561 device_get_nameunit(sc->dev));
4562
4563 sc->rx_coherent_interrupts++;
4564
4565 /* restart DMA engine */
4566
4567 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4568
4569 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4570 RT2860_REG_RX_DMA_ENABLE |
4571 RT2860_REG_TX_DMA_ENABLE);
4572
4573 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4574
4575 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4576
4577 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4578 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4579
4580 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4581 {
4582 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4583 sc->tx_ring[i].desc_phys_addr);
4584 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4585 RT2860_SOFTC_TX_RING_DESC_COUNT);
4586 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4587 }
4588
4589 /* init Rx ring */
4590
4591 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4592
4593 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4594 sc->rx_ring.desc_phys_addr);
4595 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4596 RT2860_SOFTC_RX_RING_DATA_COUNT);
4597 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4598 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4599
4600 rt2860_txrx_enable(sc);
4601 }
4602
4603 /*
4604 * rt2860_txrx_coherent_intr
4605 */
4606 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4607 {
4608 uint32_t tmp;
4609 int i;
4610
4611 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4612 "%s: Tx/Rx coherent interrupt\n",
4613 device_get_nameunit(sc->dev));
4614
4615 sc->txrx_coherent_interrupts++;
4616
4617 /* restart DMA engine */
4618
4619 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4620
4621 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4622 RT2860_REG_RX_DMA_ENABLE |
4623 RT2860_REG_TX_DMA_ENABLE);
4624
4625 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4626
4627 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4628
4629 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4630 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4631
4632 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4633 {
4634 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4635 sc->tx_ring[i].desc_phys_addr);
4636 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4637 RT2860_SOFTC_TX_RING_DESC_COUNT);
4638 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4639 }
4640
4641 /* init Rx ring */
4642
4643 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4644
4645 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4646 sc->rx_ring.desc_phys_addr);
4647 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4648 RT2860_SOFTC_RX_RING_DATA_COUNT);
4649 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4650 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4651
4652 rt2860_txrx_enable(sc);
4653 }
4654
4655 /*
4656 * rt2860_fifo_sta_full_intr
4657 */
4658 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4659 {
4660 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4661 "%s: FIFO statistic full interrupt\n",
4662 device_get_nameunit(sc->dev));
4663
4664 sc->fifo_sta_full_interrupts++;
4665
4666 RT2860_SOFTC_LOCK(sc);
4667
4668 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4669 {
4670 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4671
4672 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4673 }
4674
4675 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4676
4677 RT2860_SOFTC_UNLOCK(sc);
4678 }
4679
4680 /*
4681 * rt2860_rx_intr
4682 */
4683 static void rt2860_rx_intr(struct rt2860_softc *sc)
4684 {
4685 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4686 "%s: Rx interrupt\n",
4687 device_get_nameunit(sc->dev));
4688
4689 sc->rx_interrupts++;
4690
4691 RT2860_SOFTC_LOCK(sc);
4692
4693 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4694 {
4695 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4696
4697 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4698 }
4699
4700 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4701
4702 RT2860_SOFTC_UNLOCK(sc);
4703 }
4704
4705 /*
4706 * rt2860_rx_delay_intr
4707 */
4708 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4709 {
4710 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4711 "%s: Rx delay interrupt\n",
4712 device_get_nameunit(sc->dev));
4713
4714 sc->rx_delay_interrupts++;
4715 }
4716
4717 /*
4718 * rt2860_tx_intr
4719 */
4720 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4721 {
4722 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4723 ("%s: Tx interrupt: invalid qid=%d\n",
4724 device_get_nameunit(sc->dev), qid));
4725
4726 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4727 "%s: Tx interrupt: qid=%d\n",
4728 device_get_nameunit(sc->dev), qid);
4729
4730 sc->tx_interrupts[qid]++;
4731
4732 RT2860_SOFTC_LOCK(sc);
4733
4734 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4735 {
4736 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4737
4738 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4739 }
4740
4741 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4742
4743 RT2860_SOFTC_UNLOCK(sc);
4744 }
4745
4746 /*
4747 * rt2860_tx_delay_intr
4748 */
4749 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4750 {
4751 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4752 "%s: Tx delay interrupt\n",
4753 device_get_nameunit(sc->dev));
4754
4755 sc->tx_delay_interrupts++;
4756 }
4757
4758 /*
4759 * rt2860_pre_tbtt_intr
4760 */
4761 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4762 {
4763 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4764 "%s: Pre-TBTT interrupt\n",
4765 device_get_nameunit(sc->dev));
4766
4767 sc->pre_tbtt_interrupts++;
4768 }
4769
4770 /*
4771 * rt2860_tbtt_intr
4772 */
4773 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4774 {
4775 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4776 "%s: TBTT interrupt\n",
4777 device_get_nameunit(sc->dev));
4778
4779 sc->tbtt_interrupts++;
4780 }
4781
4782 /*
4783 * rt2860_mcu_cmd_intr
4784 */
4785 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4786 {
4787 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4788 "%s: MCU command interrupt\n",
4789 device_get_nameunit(sc->dev));
4790
4791 sc->mcu_cmd_interrupts++;
4792 }
4793
4794 /*
4795 * rt2860_auto_wakeup_intr
4796 */
4797 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4798 {
4799 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4800 "%s: auto wakeup interrupt\n",
4801 device_get_nameunit(sc->dev));
4802
4803 sc->auto_wakeup_interrupts++;
4804 }
4805
4806 /*
4807 * rt2860_gp_timer_intr
4808 */
4809 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4810 {
4811 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4812 "%s: GP timer interrupt\n",
4813 device_get_nameunit(sc->dev));
4814
4815 sc->gp_timer_interrupts++;
4816 }
4817
4818 /*
4819 * rt2860_rx_done_task
4820 */
4821 static void rt2860_rx_done_task(void *context, int pending)
4822 {
4823 struct rt2860_softc *sc;
4824 struct ifnet *ifp;
4825 int again;
4826
4827 sc = context;
4828 ifp = sc->ifp;
4829
4830 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4831 "%s: Rx done task\n",
4832 device_get_nameunit(sc->dev));
4833
4834 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4835 return;
4836
4837 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4838
4839 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4840
4841 RT2860_SOFTC_LOCK(sc);
4842
4843 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4844 {
4845 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4846 "%s: Rx done task: scheduling again\n",
4847 device_get_nameunit(sc->dev));
4848
4849 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4850 }
4851 else
4852 {
4853 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4854 }
4855
4856 RT2860_SOFTC_UNLOCK(sc);
4857 }
4858
4859 /*
4860 * rt2860_tx_done_task
4861 */
4862 static void rt2860_tx_done_task(void *context, int pending)
4863 {
4864 struct rt2860_softc *sc;
4865 struct ifnet *ifp;
4866 struct ieee80211com *ic;
4867 uint32_t intr_mask;
4868 int i;
4869
4870 sc = context;
4871 ifp = sc->ifp;
4872 ic = &sc->ic;
4873
4874 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4875 "%s: Tx done task\n",
4876 device_get_nameunit(sc->dev));
4877
4878 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4879 return;
4880
4881 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4882 {
4883 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4884 {
4885 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4886
4887 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4888 }
4889 }
4890
4891 sc->tx_timer = 0;
4892
4893 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4894
4895 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4896 RT2860_REG_INT_TX_HCCA_DONE |
4897 RT2860_REG_INT_TX_AC3_DONE |
4898 RT2860_REG_INT_TX_AC2_DONE |
4899 RT2860_REG_INT_TX_AC1_DONE |
4900 RT2860_REG_INT_TX_AC0_DONE);
4901
4902 RT2860_SOFTC_LOCK(sc);
4903
4904 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4905 (sc->intr_disable_mask & intr_mask));
4906
4907 if (sc->intr_pending_mask & intr_mask)
4908 {
4909 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4910 "%s: Tx done task: scheduling again\n",
4911 device_get_nameunit(sc->dev));
4912
4913 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4914 }
4915
4916 RT2860_SOFTC_UNLOCK(sc);
4917
4918 if (!IFQ_IS_EMPTY(&ic->ic_mgtq) || !IFQ_IS_EMPTY(&ifp->if_snd))
4919 rt2860_start(ifp);
4920 }
4921
4922 /*
4923 * rt2860_fifo_sta_full_task
4924 */
4925 static void rt2860_fifo_sta_full_task(void *context, int pending)
4926 {
4927 struct rt2860_softc *sc;
4928 struct ifnet *ifp;
4929 struct ieee80211com *ic;
4930
4931 sc = context;
4932 ifp = sc->ifp;
4933 ic = &sc->ic;
4934
4935 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4936 "%s: FIFO statistic full task\n",
4937 device_get_nameunit(sc->dev));
4938
4939 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4940 return;
4941
4942 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4943
4944 rt2860_drain_fifo_stats(sc);
4945
4946 RT2860_SOFTC_LOCK(sc);
4947
4948 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4949 {
4950 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4951 "%s: FIFO statistic full task: scheduling again\n",
4952 device_get_nameunit(sc->dev));
4953
4954 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4955 }
4956 else
4957 {
4958 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4959 }
4960
4961 RT2860_SOFTC_UNLOCK(sc);
4962
4963 if (!IFQ_IS_EMPTY(&ic->ic_mgtq) || !IFQ_IS_EMPTY(&ifp->if_snd))
4964 rt2860_start(ifp);
4965 }
4966
4967 /*
4968 * rt2860_periodic_task
4969 */
4970 static void rt2860_periodic_task(void *context, int pending)
4971 {
4972 struct rt2860_softc *sc;
4973 struct ifnet *ifp;
4974 struct ieee80211com *ic;
4975
4976 sc = context;
4977 ifp = sc->ifp;
4978 ic = &sc->ic;
4979
4980 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4981 "%s: periodic task: round=%lu\n",
4982 device_get_nameunit(sc->dev), sc->periodic_round);
4983
4984 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4985 return;
4986
4987 RT2860_SOFTC_LOCK(sc);
4988
4989 sc->periodic_round++;
4990
4991 rt2860_update_stats(sc);
4992
4993 if ((sc->periodic_round % 10) == 0)
4994 {
4995 rt2860_bbp_tuning(sc);
4996
4997 rt2860_update_raw_counters(sc);
4998
4999 rt2860_watchdog(sc);
5000
5001 if (ic->ic_opmode != IEEE80211_M_MONITOR && ic->ic_state == IEEE80211_S_RUN)
5002 {
5003 if (ic->ic_opmode == IEEE80211_M_STA)
5004 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
5005 else
5006 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
5007 }
5008 }
5009
5010 RT2860_SOFTC_UNLOCK(sc);
5011
5012 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5013 }
5014
5015 /*
5016 * rt2860_rx_eof
5017 */
5018 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5019 {
5020 struct ieee80211com *ic;
5021 struct ifnet *ifp;
5022 struct ieee80211_frame *wh;
5023 struct ieee80211_node *ni;
5024 struct rt2860_softc_node *rni;
5025 struct rt2860_softc_rx_radiotap_header *tap;
5026 struct rt2860_softc_rx_ring *ring;
5027 struct rt2860_rxdesc *desc;
5028 struct rt2860_softc_rx_data *data;
5029 struct rt2860_rxwi *rxwi;
5030 struct mbuf *m, *mnew;
5031 bus_dma_segment_t segs[1];
5032 bus_dmamap_t dma_map;
5033 uint32_t index, desc_flags;
5034 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
5035 uint16_t seq;
5036 int8_t rssi_dbm;
5037 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5038
5039 ic = &sc->ic;
5040 ifp = sc->ifp;
5041 ring = &sc->rx_ring;
5042
5043 nframes = 0;
5044
5045 while (limit != 0)
5046 {
5047 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5048 if (ring->cur == index)
5049 break;
5050
5051 desc = &ring->desc[ring->cur];
5052 data = &ring->data[ring->cur];
5053
5054 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5055 BUS_DMASYNC_POSTREAD);
5056
5057 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5058 break;
5059
5060 nframes++;
5061
5062 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5063 if (mnew == NULL)
5064 {
5065 sc->rx_mbuf_alloc_errors++;
5066 ifp->if_ierrors++;
5067 goto skip;
5068 }
5069
5070 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5071
5072 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5073 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5074 if (error != 0)
5075 {
5076 m_freem(mnew);
5077
5078 sc->rx_mbuf_dmamap_errors++;
5079 ifp->if_ierrors++;
5080
5081 goto skip;
5082 }
5083
5084 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5085 device_get_name(sc->dev)));
5086
5087 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5088 BUS_DMASYNC_POSTREAD);
5089 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5090
5091 dma_map = data->dma_map;
5092 data->dma_map = ring->spare_dma_map;
5093 ring->spare_dma_map = dma_map;
5094
5095 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5096 BUS_DMASYNC_PREREAD);
5097
5098 m = data->m;
5099
5100 data->m = mnew;
5101 desc->sdp0 = htole32(segs[0].ds_addr);
5102
5103 desc_flags = le32toh(desc->flags);
5104
5105 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5106 "%s: Rx frame: rxdesc flags=0x%08x\n",
5107 device_get_nameunit(sc->dev), desc_flags);
5108
5109 /* get Rx wireless info */
5110
5111 rxwi = mtod(m, struct rt2860_rxwi *);
5112 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5113 RT2860_RXWI_SIZE_MASK;
5114
5115 /* check for L2 padding between IEEE 802.11 frame header and body */
5116
5117 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5118 {
5119 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5120 "%s: L2 padding: len=%d\n",
5121 device_get_nameunit(sc->dev), len);
5122
5123 len += 2;
5124 }
5125
5126 m->m_pkthdr.rcvif = ifp;
5127 m->m_data = (caddr_t) (rxwi + 1);
5128 m->m_pkthdr.len = m->m_len = len;
5129
5130 /* check for crc errors */
5131
5132 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5133 {
5134 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5135 "%s: rxdesc: crc error\n",
5136 device_get_nameunit(sc->dev));
5137
5138 ifp->if_ierrors++;
5139
5140 if (!(ifp->if_flags & IFF_PROMISC))
5141 {
5142 m_freem(m);
5143 goto skip;
5144 }
5145 }
5146
5147 wh = (struct ieee80211_frame *) (rxwi + 1);
5148
5149 /* check for cipher errors */
5150
5151 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5152 {
5153 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5154 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5155 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5156 {
5157 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5158 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5159
5160 m->m_flags |= M_WEP;
5161
5162 sc->rx_cipher_no_errors++;
5163 }
5164 else
5165 {
5166 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5167 "%s: rxdesc: cipher error=0x%02x\n",
5168 device_get_nameunit(sc->dev), cipher_err);
5169
5170 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5171 sc->rx_cipher_icv_errors++;
5172 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5173 sc->rx_cipher_mic_errors++;
5174 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5175 sc->rx_cipher_invalid_key_errors++;
5176
5177 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5178 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5179 {
5180 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5181 RT2860_RXWI_KEYIDX_MASK;
5182
5183 ieee80211_notify_michael_failure(ic, wh, keyidx);
5184 }
5185
5186 ifp->if_ierrors++;
5187
5188 if (!(ifp->if_flags & IFF_PROMISC))
5189 {
5190 m_free(m);
5191 goto skip;
5192 }
5193 }
5194 }
5195 else
5196 {
5197 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5198 {
5199 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5200 "%s: rxdesc: not decrypted but protected flag set\n",
5201 device_get_nameunit(sc->dev));
5202
5203 ifp->if_ierrors++;
5204
5205 if (!(ifp->if_flags & IFF_PROMISC))
5206 {
5207 m_free(m);
5208 goto skip;
5209 }
5210 }
5211 }
5212
5213 /* check for A-MPDU */
5214
5215 if (desc_flags & RT2860_RXDESC_FLAGS_BA)
5216 {
5217 m->m_flags |= M_AMPDU;
5218
5219 sc->rx_ampdu++;
5220
5221 if (wh->i_fc[1] & IEEE80211_FC1_RETRY)
5222 sc->rx_ampdu_retries++;
5223
5224 ampdu = 1;
5225 }
5226 else
5227 {
5228 ampdu = 0;
5229 }
5230
5231 /* check for A-MSDU */
5232
5233 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5234 {
5235 sc->rx_amsdu++;
5236
5237 amsdu = 1;
5238 }
5239 else
5240 {
5241 amsdu = 0;
5242 }
5243
5244 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5245 rssi = rxwi->rssi[ant];
5246 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5247 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5248 RT2860_RXWI_PHYMODE_MASK);
5249 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5250 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5251 RT2860_RXWI_SHORTGI_MASK);
5252 stbc = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_STBC_SHIFT) &
5253 RT2860_RXWI_STBC_MASK);
5254 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5255 tid = ((rxwi->tid_size >> RT2860_RXWI_TID_SHIFT) & RT2860_RXWI_TID_MASK);
5256 seq = ((rxwi->seq_frag >> RT2860_RXWI_SEQ_SHIFT) & RT2860_RXWI_SEQ_MASK);
5257 frag = ((rxwi->seq_frag >> RT2860_RXWI_FRAG_SHIFT) & RT2860_RXWI_FRAG_MASK);
5258
5259 if (bpf_peers_present(sc->drvbpf))
5260 {
5261 tap = &sc->rxtap;
5262
5263 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
5264 tap->dbm_antsignal = rssi_dbm;
5265 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5266 tap->antenna = ant;
5267 tap->antsignal = rssi;
5268 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5269 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5270 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5271 tap->chan_maxpow = 0;
5272
5273 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5274 tap->rate = mcs | IEEE80211_RATE_MCS;
5275 else
5276 tap->rate = rt2860_rxrate(rxwi);
5277
5278 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5279 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5280
5281 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5282 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5283
5284 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5285 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5286
5287 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5288 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5289 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5290
5291 if (shortgi)
5292 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5293
5294 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
5295
5296 if (ampdu)
5297 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
5298
5299 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
5300 }
5301
5302 /*
5303 * net80211 assumes that RSSI data are in the range [-127..127] and
5304 * in .5 dBm units relative to the current noise floor
5305 */
5306
5307 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5308 if (rssi_dbm_rel > 127)
5309 rssi_dbm_rel = 127;
5310
5311 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5312 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
5313 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5314 "tid=%d, seq=%d, frag=%d, retry=%d, rssi_dbm=%d, rssi_dbm_rel=%d\n",
5315 device_get_nameunit(sc->dev),
5316 len, phymode, bw, shortgi, stbc, mcs,
5317 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5318 rxwi->snr[0], rxwi->snr[1],
5319 rxwi->wcid, ampdu, amsdu, tid, seq, frag, (wh->i_fc[1] & IEEE80211_FC1_RETRY) ? 1 : 0,
5320 rssi_dbm, rssi_dbm_rel);
5321
5322 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5323
5324 if (ni != NULL)
5325 {
5326 rni = (struct rt2860_softc_node *) ni;
5327
5328 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5329 {
5330 rni->last_rssi[i] = rxwi->rssi[i];
5331 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5332 }
5333 }
5334
5335 ieee80211_input(ic, m, ni, rssi_dbm_rel, RT2860_NOISE_FLOOR, 0);
5336
5337 ieee80211_free_node(ni);
5338
5339 skip:
5340
5341 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5342
5343 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5344 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5345
5346 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5347
5348 limit--;
5349 }
5350
5351 if (ring->cur == 0)
5352 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5353 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5354 else
5355 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5356 ring->cur - 1);
5357
5358 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5359 "%s: Rx eof: nframes=%d\n",
5360 device_get_nameunit(sc->dev), nframes);
5361
5362 sc->rx_packets += nframes;
5363
5364 return (limit == 0);
5365 }
5366
5367 /*
5368 * rt2860_tx_eof
5369 */
5370 static void rt2860_tx_eof(struct rt2860_softc *sc,
5371 struct rt2860_softc_tx_ring *ring)
5372 {
5373 struct ifnet *ifp;
5374 struct rt2860_txdesc *desc;
5375 struct rt2860_softc_tx_data *data;
5376 uint32_t index;
5377 int ndescs, nframes;
5378
5379 ifp = sc->ifp;
5380
5381 ndescs = 0;
5382 nframes = 0;
5383
5384 for (;;)
5385 {
5386 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5387 if (ring->desc_next == index)
5388 break;
5389
5390 ndescs++;
5391
5392 rt2860_drain_fifo_stats(sc);
5393
5394 desc = &ring->desc[ring->desc_next];
5395
5396 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5397 BUS_DMASYNC_POSTREAD);
5398
5399 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5400 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5401 {
5402 nframes++;
5403
5404 data = &ring->data[ring->data_next];
5405
5406 if (data->m->m_flags & M_TXCB)
5407 ieee80211_process_callback(data->ni, data->m, 0);
5408
5409 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5410 BUS_DMASYNC_POSTWRITE);
5411 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5412
5413 m_freem(data->m);
5414
5415 ieee80211_free_node(data->ni);
5416
5417 data->m = NULL;
5418 data->ni = NULL;
5419
5420 ifp->if_opackets++;
5421
5422 RT2860_SOFTC_TX_RING_LOCK(ring);
5423
5424 ring->data_queued--;
5425 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5426
5427 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5428 }
5429
5430 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5431
5432 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5433 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5434
5435 RT2860_SOFTC_TX_RING_LOCK(ring);
5436
5437 ring->desc_queued--;
5438 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5439
5440 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5441 }
5442
5443 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5444 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5445 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5446 }
5447
5448 /*
5449 * rt2860_update_stats
5450 */
5451 static void rt2860_update_stats(struct rt2860_softc *sc)
5452 {
5453 struct ifnet *ifp;
5454 uint32_t stacnt[3];
5455 int beacons, noretryok, retryok, failed, underflows, zerolen;
5456
5457 ifp = sc->ifp;
5458
5459 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5460 "%s: update statistic\n",
5461 device_get_nameunit(sc->dev));
5462
5463 rt2860_drain_fifo_stats(sc);
5464
5465 /* read and clear Tx statistic registers */
5466
5467 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5468 stacnt, sizeof(stacnt));
5469
5470 stacnt[0] = le32toh(stacnt[0]);
5471 stacnt[1] = le32toh(stacnt[1]);
5472 stacnt[2] = le32toh(stacnt[2]);
5473
5474 beacons = stacnt[0] >> 16;
5475 noretryok = stacnt[1] & 0xffff;
5476 retryok = stacnt[1] >> 16;
5477 failed = stacnt[0] & 0xffff;
5478 underflows = stacnt[2] >> 16;
5479 zerolen = stacnt[2] & 0xffff;
5480
5481 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5482 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5483 device_get_nameunit(sc->dev),
5484 beacons, noretryok, retryok, failed, underflows, zerolen);
5485
5486 ifp->if_oerrors += failed;
5487
5488 sc->tx_beacons += beacons;
5489 sc->tx_noretryok += noretryok;
5490 sc->tx_retryok += retryok;
5491 sc->tx_failed += failed;
5492 sc->tx_underflows += underflows;
5493 sc->tx_zerolen += zerolen;
5494 }
5495
5496 /*
5497 * rt2860_bbp_tuning
5498 */
5499 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5500 {
5501 struct ieee80211com *ic;
5502 struct ieee80211_node *ni;
5503 int chan, group;
5504 int8_t rssi, old, new;
5505
5506 /* RT2860C does not support BBP tuning */
5507
5508 if (sc->mac_rev == 0x28600100)
5509 return;
5510
5511 ic = &sc->ic;
5512
5513 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
5514 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
5515 return;
5516
5517 ni = ic->ic_bss;
5518
5519 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5520
5521 if (chan <= 14)
5522 group = 0;
5523 else if (chan <= 64)
5524 group = 1;
5525 else if (chan <= 128)
5526 group = 2;
5527 else
5528 group = 3;
5529
5530 rssi = ieee80211_getrssi(ic);
5531
5532 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5533 {
5534 new = 0x2e + sc->lna_gain[group];
5535 }
5536 else
5537 {
5538 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5539 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5540 else
5541 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5542 }
5543
5544 /* Tune if absolute average RSSI is greater than -80 */
5545
5546 if (rssi > -80)
5547 new += 0x10;
5548
5549 old = rt2860_io_bbp_read(sc, 66);
5550
5551 if (old != new)
5552 rt2860_io_bbp_write(sc, 66, new);
5553 }
5554
5555 /*
5556 * rt2860_watchdog
5557 */
5558 static void rt2860_watchdog(struct rt2860_softc *sc)
5559 {
5560 uint32_t tmp;
5561 int ntries;
5562
5563 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5564
5565 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5566 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5567 device_get_nameunit(sc->dev), tmp);
5568
5569 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5570 {
5571 sc->tx_queue_not_empty[0]++;
5572
5573 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5574
5575 for (ntries = 0; ntries < 10; ntries++)
5576 {
5577 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5578 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5579 break;
5580
5581 DELAY(1);
5582 }
5583
5584 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5585 }
5586
5587 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5588 {
5589 sc->tx_queue_not_empty[1]++;
5590
5591 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5592
5593 for (ntries = 0; ntries < 10; ntries++)
5594 {
5595 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5596 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5597 break;
5598
5599 DELAY(1);
5600 }
5601
5602 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5603 }
5604 }
5605
5606 /*
5607 * rt2860_drain_fifo_stats
5608 */
5609 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5610 {
5611 struct ifnet *ifp;
5612 uint32_t stats;
5613 uint8_t wcid, mcs, pid;
5614 int ok, agg, retrycnt;
5615
5616 ifp = sc->ic.ic_ifp;
5617
5618 /* drain Tx status FIFO (maxsize = 16) */
5619
5620 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5621 RT2860_REG_TX_STA_FIFO_VALID)
5622 {
5623 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5624 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5625
5626 /* if no ACK was requested, no feedback is available */
5627
5628 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
5629 continue;
5630
5631 /* update AMRR statistic */
5632
5633 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5634 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5635 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5636 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5637 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5638 RT2860_REG_TX_STA_FIFO_PID_MASK;
5639 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
5640
5641 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5642 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5643 device_get_nameunit(sc->dev),
5644 wcid, ok, agg, mcs, pid, retrycnt);
5645
5646 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5647
5648 if (!ok)
5649 ifp->if_oerrors++;
5650 }
5651 }
5652
5653 /*
5654 * rt2860_update_raw_counters
5655 */
5656 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5657 {
5658 uint32_t tmp;
5659
5660 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5661
5662 sc->tx_nonagg += tmp & 0xffff;
5663 sc->tx_agg += tmp >> 16;
5664
5665 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5666
5667 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5668
5669 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5670
5671 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5672
5673 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5674
5675 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5676
5677 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5678
5679 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5680
5681 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5682
5683 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5684
5685 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5686
5687 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5688
5689 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5690
5691 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5692
5693 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5694
5695 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5696
5697 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5698
5699 sc->rx_crc_errors += tmp & 0xffff;
5700 sc->rx_phy_errors += tmp >> 16;
5701
5702 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5703
5704 sc->rx_false_ccas += tmp & 0xffff;
5705 sc->rx_plcp_errors += tmp >> 16;
5706
5707 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5708
5709 sc->rx_dup_packets += tmp & 0xffff;
5710 sc->rx_fifo_overflows += tmp >> 16;
5711
5712 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5713
5714 sc->tx_mpdu_zero_density += tmp & 0xffff;
5715 sc->rx_mpdu_zero_density += tmp >> 16;
5716 }
5717
5718 /*
5719 * rt2860_intr_enable
5720 */
5721 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5722 {
5723 uint32_t tmp;
5724
5725 sc->intr_disable_mask &= ~intr_mask;
5726
5727 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5728
5729 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5730 }
5731
5732 /*
5733 * rt2860_intr_disable
5734 */
5735 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5736 {
5737 uint32_t tmp;
5738
5739 sc->intr_disable_mask |= intr_mask;
5740
5741 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5742
5743 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5744 }
5745
5746 /*
5747 * rt2860_txrx_enable
5748 */
5749 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5750 {
5751 struct ieee80211com *ic;
5752 struct ifnet *ifp;
5753 uint32_t tmp;
5754 int ntries;
5755
5756 ic = &sc->ic;
5757 ifp = ic->ic_ifp;
5758
5759 /* enable Tx/Rx DMA engine */
5760
5761 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5762
5763 for (ntries = 0; ntries < 200; ntries++)
5764 {
5765 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5766 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5767 break;
5768
5769 DELAY(1000);
5770 }
5771
5772 if (ntries == 200)
5773 {
5774 printf("%s: timeout waiting for DMA engine\n",
5775 device_get_nameunit(sc->dev));
5776 return -1;
5777 }
5778
5779 DELAY(50);
5780
5781 tmp |= RT2860_REG_TX_WB_DDONE |
5782 RT2860_REG_RX_DMA_ENABLE |
5783 RT2860_REG_TX_DMA_ENABLE |
5784 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5785
5786 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5787
5788 /* set Rx filter */
5789
5790 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5791 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5792
5793 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5794 {
5795 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5796 RT2860_REG_RX_FILTER_DROP_CTS |
5797 RT2860_REG_RX_FILTER_DROP_BA |
5798 RT2860_REG_RX_FILTER_DROP_ACK |
5799 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5800 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5801 RT2860_REG_RX_FILTER_DROP_CFACK |
5802 RT2860_REG_RX_FILTER_DROP_CFEND;
5803
5804 if (ic->ic_opmode == IEEE80211_M_STA)
5805 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5806 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5807
5808 if (!(ifp->if_flags & IFF_PROMISC))
5809 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5810 }
5811
5812 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5813
5814 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5815 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5816
5817 return 0;
5818 }
5819
5820 /*
5821 * rt2860_alloc_rx_ring
5822 */
5823 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5824 struct rt2860_softc_rx_ring *ring)
5825 {
5826 struct rt2860_rxdesc *desc;
5827 struct rt2860_softc_rx_data *data;
5828 bus_dma_segment_t segs[1];
5829 int i, nsegs, error;
5830
5831 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5832 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5833 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5834 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5835 0, NULL, NULL, &ring->desc_dma_tag);
5836 if (error != 0)
5837 {
5838 printf("%s: could not create Rx desc DMA tag\n",
5839 device_get_nameunit(sc->dev));
5840 goto fail;
5841 }
5842
5843 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5844 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5845 if (error != 0)
5846 {
5847 printf("%s: could not allocate Rx desc DMA memory\n",
5848 device_get_nameunit(sc->dev));
5849 goto fail;
5850 }
5851
5852 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5853 ring->desc,
5854 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5855 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5856 if (error != 0)
5857 {
5858 printf("%s: could not load Rx desc DMA map\n",
5859 device_get_nameunit(sc->dev));
5860 goto fail;
5861 }
5862
5863 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5864 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5865 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5866 &ring->data_dma_tag);
5867 if (error != 0)
5868 {
5869 printf("%s: could not create Rx data DMA tag\n",
5870 device_get_nameunit(sc->dev));
5871 goto fail;
5872 }
5873
5874 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5875 {
5876 desc = &ring->desc[i];
5877 data = &ring->data[i];
5878
5879 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5880 if (error != 0)
5881 {
5882 printf("%s: could not create Rx data DMA map\n",
5883 device_get_nameunit(sc->dev));
5884 goto fail;
5885 }
5886
5887 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5888 if (data->m == NULL)
5889 {
5890 printf("%s: could not allocate Rx mbuf\n",
5891 device_get_nameunit(sc->dev));
5892 error = ENOMEM;
5893 goto fail;
5894 }
5895
5896 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5897
5898 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5899 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5900 if (error != 0)
5901 {
5902 printf("%s: could not load Rx mbuf DMA map\n",
5903 device_get_nameunit(sc->dev));
5904 goto fail;
5905 }
5906
5907 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5908 device_get_name(sc->dev)));
5909
5910 desc->sdp0 = htole32(segs[0].ds_addr);
5911 desc->sdl0 = htole16(MJUMPAGESIZE);
5912 }
5913
5914 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5915 if (error != 0)
5916 {
5917 printf("%s: could not create Rx spare DMA map\n",
5918 device_get_nameunit(sc->dev));
5919 goto fail;
5920 }
5921
5922 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5923 BUS_DMASYNC_PREWRITE);
5924
5925 return 0;
5926
5927 fail:
5928
5929 rt2860_free_rx_ring(sc, ring);
5930
5931 return error;
5932 }
5933
5934 /*
5935 * rt2860_reset_rx_ring
5936 */
5937 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5938 struct rt2860_softc_rx_ring *ring)
5939 {
5940 struct rt2860_rxdesc *desc;
5941 int i;
5942
5943 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5944 {
5945 desc = &ring->desc[i];
5946
5947 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5948 }
5949
5950 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5951 BUS_DMASYNC_PREWRITE);
5952
5953 ring->cur = 0;
5954 }
5955
5956 /*
5957 * rt2860_free_rx_ring
5958 */
5959 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5960 struct rt2860_softc_rx_ring *ring)
5961 {
5962 struct rt2860_softc_rx_data *data;
5963 int i;
5964
5965 if (ring->desc != NULL)
5966 {
5967 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5968 BUS_DMASYNC_POSTWRITE);
5969 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5970 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5971 ring->desc_dma_map);
5972 }
5973
5974 if (ring->desc_dma_tag != NULL)
5975 bus_dma_tag_destroy(ring->desc_dma_tag);
5976
5977 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5978 {
5979 data = &ring->data[i];
5980
5981 if (data->m != NULL)
5982 {
5983 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5984 BUS_DMASYNC_POSTREAD);
5985 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5986 m_freem(data->m);
5987 }
5988
5989 if (data->dma_map != NULL)
5990 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5991 }
5992
5993 if (ring->spare_dma_map != NULL)
5994 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5995
5996 if (ring->data_dma_tag != NULL)
5997 bus_dma_tag_destroy(ring->data_dma_tag);
5998 }
5999
6000 /*
6001 * rt2860_alloc_tx_ring
6002 */
6003 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6004 struct rt2860_softc_tx_ring *ring, int qid)
6005 {
6006 struct rt2860_softc_tx_data *data;
6007 int error, i;
6008
6009 mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF);
6010
6011 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6012 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6013 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6014 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6015 0, NULL, NULL, &ring->desc_dma_tag);
6016 if (error != 0)
6017 {
6018 printf("%s: could not create Tx desc DMA tag\n",
6019 device_get_nameunit(sc->dev));
6020 goto fail;
6021 }
6022
6023 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6024 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6025 if (error != 0)
6026 {
6027 printf("%s: could not allocate Tx desc DMA memory\n",
6028 device_get_nameunit(sc->dev));
6029 goto fail;
6030 }
6031
6032 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6033 ring->desc,
6034 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6035 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6036 if (error != 0)
6037 {
6038 printf("%s: could not load Tx desc DMA map\n",
6039 device_get_nameunit(sc->dev));
6040 goto fail;
6041 }
6042
6043 ring->desc_queued = 0;
6044 ring->desc_cur = 0;
6045 ring->desc_next = 0;
6046
6047 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6048 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6049 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6050 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6051 0, NULL, NULL, &ring->seg0_dma_tag);
6052 if (error != 0)
6053 {
6054 printf("%s: could not create Tx seg0 DMA tag\n",
6055 device_get_nameunit(sc->dev));
6056 goto fail;
6057 }
6058
6059 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6060 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6061 if (error != 0)
6062 {
6063 printf("%s: could not allocate Tx seg0 DMA memory\n",
6064 device_get_nameunit(sc->dev));
6065 goto fail;
6066 }
6067
6068 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6069 ring->seg0,
6070 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6071 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6072 if (error != 0)
6073 {
6074 printf("%s: could not load Tx seg0 DMA map\n",
6075 device_get_nameunit(sc->dev));
6076 goto fail;
6077 }
6078
6079 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6080 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6081 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6082 &ring->data_dma_tag);
6083 if (error != 0)
6084 {
6085 printf("%s: could not create Tx data DMA tag\n",
6086 device_get_nameunit(sc->dev));
6087 goto fail;
6088 }
6089
6090 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6091 {
6092 data = &ring->data[i];
6093
6094 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6095 if (error != 0)
6096 {
6097 printf("%s: could not create Tx data DMA map\n",
6098 device_get_nameunit(sc->dev));
6099 goto fail;
6100 }
6101 }
6102
6103 ring->data_queued = 0;
6104 ring->data_cur = 0;
6105 ring->data_next = 0;
6106
6107 ring->qid = qid;
6108
6109 return 0;
6110
6111 fail:
6112
6113 rt2860_free_tx_ring(sc, ring);
6114
6115 return error;
6116 }
6117
6118 /*
6119 * rt2860_reset_tx_ring
6120 */
6121 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6122 struct rt2860_softc_tx_ring *ring)
6123 {
6124 struct rt2860_softc_tx_data *data;
6125 struct rt2860_txdesc *desc;
6126 int i;
6127
6128 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6129 {
6130 desc = &ring->desc[i];
6131
6132 desc->sdl0 = 0;
6133 desc->sdl1 = 0;
6134 }
6135
6136 ring->desc_queued = 0;
6137 ring->desc_cur = 0;
6138 ring->desc_next = 0;
6139
6140 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6141 BUS_DMASYNC_PREWRITE);
6142
6143 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6144 BUS_DMASYNC_PREWRITE);
6145
6146 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6147 {
6148 data = &ring->data[i];
6149
6150 if (data->m != NULL)
6151 {
6152 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6153 BUS_DMASYNC_POSTWRITE);
6154 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6155 m_freem(data->m);
6156 data->m = NULL;
6157 }
6158
6159 if (data->ni != NULL)
6160 {
6161 ieee80211_free_node(data->ni);
6162 data->ni = NULL;
6163 }
6164 }
6165
6166 ring->data_queued = 0;
6167 ring->data_cur = 0;
6168 ring->data_next = 0;
6169 }
6170
6171 /*
6172 * rt2860_free_tx_ring
6173 */
6174 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6175 struct rt2860_softc_tx_ring *ring)
6176 {
6177 struct rt2860_softc_tx_data *data;
6178 int i;
6179
6180 if (ring->desc != NULL)
6181 {
6182 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6183 BUS_DMASYNC_POSTWRITE);
6184 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6185 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6186 ring->desc_dma_map);
6187 }
6188
6189 if (ring->desc_dma_tag != NULL)
6190 bus_dma_tag_destroy(ring->desc_dma_tag);
6191
6192 if (ring->seg0 != NULL)
6193 {
6194 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6195 BUS_DMASYNC_POSTWRITE);
6196 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6197 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6198 ring->seg0_dma_map);
6199 }
6200
6201 if (ring->seg0_dma_tag != NULL)
6202 bus_dma_tag_destroy(ring->seg0_dma_tag);
6203
6204 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6205 {
6206 data = &ring->data[i];
6207
6208 if (data->m != NULL)
6209 {
6210 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6211 BUS_DMASYNC_POSTWRITE);
6212 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6213 m_freem(data->m);
6214 }
6215
6216 if (data->ni != NULL)
6217 ieee80211_free_node(data->ni);
6218
6219 if (data->dma_map != NULL)
6220 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6221 }
6222
6223 if (ring->data_dma_tag != NULL)
6224 bus_dma_tag_destroy(ring->data_dma_tag);
6225
6226 mtx_destroy(&ring->lock);
6227 }
6228
6229 /*
6230 * rt2860_dma_map_addr
6231 */
6232 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6233 int nseg, int error)
6234 {
6235 if (error != 0)
6236 return;
6237
6238 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6239
6240 *(bus_addr_t *) arg = segs[0].ds_addr;
6241 }
6242
6243 /*
6244 * rt2860_sysctl_attach
6245 */
6246 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6247 {
6248 struct sysctl_ctx_list *ctx;
6249 struct sysctl_oid *tree;
6250 struct sysctl_oid *stats;
6251
6252 ctx = device_get_sysctl_ctx(sc->dev);
6253 tree = device_get_sysctl_tree(sc->dev);
6254
6255 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6256 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6257 "Tx STBC");
6258
6259 /* statistic counters */
6260
6261 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6262 "stats", CTLFLAG_RD, 0, "statistic");
6263
6264 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6265 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6266 "all interrupts");
6267
6268 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6269 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6270 "Tx coherent interrupts");
6271
6272 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6273 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6274 "Rx coherent interrupts");
6275
6276 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6277 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6278 "Tx/Rx coherent interrupts");
6279
6280 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6281 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6282 "FIFO statistic full interrupts");
6283
6284 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6285 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6286 "Rx interrupts");
6287
6288 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6289 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6290 "Rx delay interrupts");
6291
6292 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6293 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6294 "Tx MGMT interrupts");
6295
6296 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6297 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6298 "Tx HCCA interrupts");
6299
6300 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6301 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6302 "Tx AC3 interrupts");
6303
6304 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6305 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6306 "Tx AC2 interrupts");
6307
6308 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6309 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6310 "Tx AC1 interrupts");
6311
6312 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6313 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6314 "Tx AC0 interrupts");
6315
6316 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6317 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6318 "Tx delay interrupts");
6319
6320 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6321 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6322 "Pre-TBTT interrupts");
6323
6324 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6325 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6326 "TBTT interrupts");
6327
6328 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6329 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6330 "MCU command interrupts");
6331
6332 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6333 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6334 "auto wakeup interrupts");
6335
6336 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6337 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6338 "GP timer interrupts");
6339
6340 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6341 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6342 "Tx MGMT descriptors queued");
6343
6344 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6345 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6346 "Tx MGMT data queued");
6347
6348 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6349 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6350 "Tx HCCA descriptors queued");
6351
6352 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6353 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6354 "Tx HCCA data queued");
6355
6356 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6357 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6358 "Tx AC3 descriptors queued");
6359
6360 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6361 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6362 "Tx AC3 data queued");
6363
6364 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6365 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6366 "Tx AC2 descriptors queued");
6367
6368 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6369 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6370 "Tx AC2 data queued");
6371
6372 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6373 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6374 "Tx AC1 descriptors queued");
6375
6376 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6377 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6378 "Tx AC1 data queued");
6379
6380 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6381 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6382 "Tx AC0 descriptors queued");
6383
6384 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6385 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6386 "Tx AC0 data queued");
6387
6388 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6389 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6390 "Tx MGMT data queue full");
6391
6392 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6393 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6394 "Tx HCCA data queue full");
6395
6396 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6397 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6398 "Tx AC3 data queue full");
6399
6400 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6401 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6402 "Tx AC2 data queue full");
6403
6404 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6405 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6406 "Tx AC1 data queue full");
6407
6408 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6409 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6410 "Tx AC0 data queue full");
6411
6412 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6413 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6414 "Tx watchdog timeouts");
6415
6416 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6417 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6418 "Tx defragmented packets");
6419
6420 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6421 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6422 "no Tx descriptors available");
6423
6424 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6425 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6426 "Rx mbuf allocation errors");
6427
6428 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6429 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6430 "Rx mbuf DMA mapping errors");
6431
6432 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6433 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6434 "Tx queue 0 not empty");
6435
6436 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6437 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6438 "Tx queue 1 not empty");
6439
6440 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6441 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6442 "Tx beacons");
6443
6444 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6445 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6446 "Tx successfull without retries");
6447
6448 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6449 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6450 "Tx successfull with retries");
6451
6452 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6453 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6454 "Tx failed");
6455
6456 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6457 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6458 "Tx underflows");
6459
6460 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6461 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6462 "Tx zero length");
6463
6464 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6465 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6466 "Tx non-aggregated");
6467
6468 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6469 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6470 "Tx aggregated");
6471
6472 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6473 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6474 "Tx A-MPDU");
6475
6476 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6477 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6478 "Tx MPDU with zero density");
6479
6480 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6481 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6482 "Tx A-MPDU sessions");
6483
6484 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6485 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6486 "Rx packets");
6487
6488 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6489 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6490 "Rx A-MPDU");
6491
6492 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6493 "rx_ampdu_retries", CTLFLAG_RD, &sc->rx_ampdu_retries, 0,
6494 "Rx A-MPDU retries");
6495
6496 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6497 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6498 "Rx MPDU with zero density");
6499
6500 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6501 "rx_ampdu_sessions", CTLFLAG_RD, &sc->rx_ampdu_sessions, 0,
6502 "Rx A-MPDU sessions");
6503
6504 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6505 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6506 "Rx A-MSDU");
6507
6508 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6509 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6510 "Rx CRC errors");
6511
6512 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6513 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6514 "Rx PHY errors");
6515
6516 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6517 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6518 "Rx false CCAs");
6519
6520 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6521 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6522 "Rx PLCP errors");
6523
6524 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6525 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6526 "Rx duplicate packets");
6527
6528 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6529 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6530 "Rx FIFO overflows");
6531
6532 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6533 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6534 "Rx cipher no errors");
6535
6536 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6537 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6538 "Rx cipher ICV errors");
6539
6540 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6541 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6542 "Rx cipher MIC errors");
6543
6544 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6545 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6546 "Rx cipher invalid key errors");
6547 }
6548
6549 static device_method_t rt2860_dev_methods[] =
6550 {
6551 DEVMETHOD(device_probe, rt2860_probe),
6552 DEVMETHOD(device_attach, rt2860_attach),
6553 DEVMETHOD(device_detach, rt2860_detach),
6554 DEVMETHOD(device_shutdown, rt2860_shutdown),
6555 DEVMETHOD(device_suspend, rt2860_suspend),
6556 DEVMETHOD(device_resume, rt2860_resume),
6557 { 0, 0 }
6558 };
6559
6560 static driver_t rt2860_driver =
6561 {
6562 "rt2860",
6563 rt2860_dev_methods,
6564 sizeof(struct rt2860_softc)
6565 };
6566
6567 static devclass_t rt2860_dev_class;
6568
6569 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6570
6571 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6572 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860