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Hook ic_addba_response and ic_addba_stop functions in order to be able to count activ...
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blob570c46648dcc6889200eca866c508f058064e4e7
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 = 0;
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 /* override 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 /*
1434 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1435 if (tmp & (1 << 2))
1436 {
1437 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1438 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1439 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1440
1441 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1442 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1443 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1444 }
1445 */
1446
1447 /* disable non-existing Rx chains */
1448
1449 tmp = rt2860_io_bbp_read(sc, 3);
1450
1451 tmp &= ~((1 << 4) | (1 << 3));
1452
1453 if (sc->nrxpath == 3)
1454 tmp |= (1 << 4);
1455 else if (sc->nrxpath == 2)
1456 tmp |= (1 << 3);
1457
1458 rt2860_io_bbp_write(sc, 3, tmp);
1459
1460 /* disable non-existing Tx chains */
1461
1462 tmp = rt2860_io_bbp_read(sc, 1);
1463
1464 tmp &= ~((1 << 4) | (1 << 3));
1465
1466 if (sc->ntxpath == 2)
1467 tmp |= (1 << 4);
1468
1469 rt2860_io_bbp_write(sc, 1, tmp);
1470
1471 /* set current channel */
1472
1473 rt2860_rf_set_chan(sc, ic->ic_curchan);
1474
1475 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1476 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1477 (48 << 16) | 96);
1478
1479 if ((sc->mac_rev & 0xffff) != 0x0101)
1480 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1481
1482 /* clear pending interrupts */
1483
1484 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1485
1486 /* enable interrupts */
1487
1488 tmp = RT2860_REG_INT_TX_COHERENT |
1489 RT2860_REG_INT_RX_COHERENT |
1490 RT2860_REG_INT_GP_TIMER |
1491 RT2860_REG_INT_AUTO_WAKEUP |
1492 RT2860_REG_INT_FIFO_STA_FULL |
1493 /*
1494 RT2860_REG_INT_PRE_TBTT |
1495 RT2860_REG_INT_TBTT |
1496 */
1497 RT2860_REG_INT_TXRX_COHERENT |
1498 RT2860_REG_INT_MCU_CMD |
1499 RT2860_REG_INT_TX_MGMT_DONE |
1500 RT2860_REG_INT_TX_HCCA_DONE |
1501 RT2860_REG_INT_TX_AC3_DONE |
1502 RT2860_REG_INT_TX_AC2_DONE |
1503 RT2860_REG_INT_TX_AC1_DONE |
1504 RT2860_REG_INT_TX_AC0_DONE |
1505 RT2860_REG_INT_RX_DONE;
1506
1507 sc->intr_enable_mask = tmp;
1508
1509 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1510
1511 if (rt2860_txrx_enable(sc) != 0)
1512 goto fail;
1513
1514 /* clear garbage interrupts */
1515
1516 tmp = rt2860_io_mac_read(sc, 0x1300);
1517
1518 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1519 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1520
1521 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1522 {
1523 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1524 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1525 }
1526 else
1527 {
1528 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1529 }
1530
1531 sc->periodic_round = 0;
1532
1533 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1534
1535 return;
1536
1537 fail:
1538
1539 rt2860_stop_locked(sc);
1540 }
1541
1542 /*
1543 * rt2860_init
1544 */
1545 static void rt2860_init(void *priv)
1546 {
1547 struct rt2860_softc *sc;
1548
1549 sc = priv;
1550
1551 RT2860_SOFTC_LOCK(sc);
1552
1553 rt2860_init_locked(sc);
1554
1555 RT2860_SOFTC_UNLOCK(sc);
1556 }
1557
1558 /*
1559 * rt2860_init_bbp
1560 */
1561 static int rt2860_init_bbp(struct rt2860_softc *sc)
1562 {
1563 int ntries, i;
1564 uint8_t tmp;
1565
1566 for (ntries = 0; ntries < 20; ntries++)
1567 {
1568 tmp = rt2860_io_bbp_read(sc, 0);
1569 if (tmp != 0x00 && tmp != 0xff)
1570 break;
1571 }
1572
1573 if (tmp == 0x00 || tmp == 0xff)
1574 {
1575 printf("%s: timeout waiting for BBP to wakeup\n",
1576 device_get_nameunit(sc->dev));
1577 return ETIMEDOUT;
1578 }
1579
1580 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1581 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1582 rt2860_def_bbp[i].val);
1583
1584 if ((sc->mac_rev & 0xffff) != 0x0101)
1585 rt2860_io_bbp_write(sc, 84, 0x19);
1586
1587 return 0;
1588 }
1589
1590 /*
1591 * rt2860_stop_locked
1592 */
1593 static void rt2860_stop_locked(void *priv)
1594 {
1595 struct rt2860_softc *sc;
1596 struct ieee80211com *ic;
1597 struct ifnet *ifp;
1598 uint32_t tmp;
1599
1600 sc = priv;
1601 ic = &sc->ic;
1602 ifp = ic->ic_ifp;
1603
1604 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1605 "%s: stopping\n",
1606 device_get_nameunit(sc->dev));
1607
1608 RT2860_SOFTC_ASSERT_LOCKED(sc);
1609
1610 sc->tx_timer = 0;
1611
1612 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1613 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1614
1615 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1616
1617 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1618
1619 callout_stop(&sc->periodic_ch);
1620 callout_stop(&sc->tx_watchdog_ch);
1621
1622 RT2860_SOFTC_UNLOCK(sc);
1623
1624 taskqueue_block(sc->taskqueue);
1625
1626 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1627 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1628 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1629 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1630
1631 RT2860_SOFTC_LOCK(sc);
1632
1633 /* clear key tables */
1634
1635 rt2860_asic_clear_keytables(sc);
1636
1637 /* disable interrupts */
1638
1639 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1640
1641 /* disable Tx/Rx */
1642
1643 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1644
1645 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1646
1647 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1648
1649 /* reset adapter */
1650
1651 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1652 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1653 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1654
1655 if (sc->beacon_mbuf != NULL)
1656 {
1657 m_free(sc->beacon_mbuf);
1658 sc->beacon_mbuf = NULL;
1659 }
1660 }
1661
1662 /*
1663 * rt2860_stop
1664 */
1665 static void rt2860_stop(void *priv)
1666 {
1667 struct rt2860_softc *sc;
1668
1669 sc = priv;
1670
1671 RT2860_SOFTC_LOCK(sc);
1672
1673 rt2860_stop_locked(sc);
1674
1675 RT2860_SOFTC_UNLOCK(sc);
1676 }
1677
1678 /*
1679 * rt2860_start
1680 */
1681 static void rt2860_start(struct ifnet *ifp)
1682 {
1683 struct rt2860_softc *sc;
1684 struct ieee80211com *ic;
1685 struct ieee80211_node *ni;
1686 struct ether_header *eh;
1687 struct mbuf *m;
1688 int qid;
1689
1690 sc = ifp->if_softc;
1691 ic = &sc->ic;
1692
1693 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1694 return;
1695
1696 for (;;)
1697 {
1698 IF_POLL(&ic->ic_mgtq, m);
1699 if (m != NULL)
1700 {
1701 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1702
1703 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1704 {
1705 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1706
1707 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1708 "%s: if_start: Tx ring with qid=%d is full\n",
1709 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1710
1711 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1712
1713 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1714
1715 break;
1716 }
1717
1718 IF_DEQUEUE(&ic->ic_mgtq, m);
1719 if (m == NULL)
1720 {
1721 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1722 break;
1723 }
1724
1725 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1726
1727 m->m_pkthdr.rcvif = NULL;
1728
1729 if (bpf_peers_present(ic->ic_rawbpf))
1730 bpf_mtap(ic->ic_rawbpf, m);
1731
1732 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1733 {
1734 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1735 break;
1736 }
1737
1738 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
1739
1740 rt2860_drain_fifo_stats(sc);
1741 }
1742 else
1743 {
1744 if (ic->ic_state != IEEE80211_S_RUN)
1745 break;
1746
1747 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1748 if (m == NULL)
1749 break;
1750
1751 if (ic->ic_flags & IEEE80211_F_SCAN)
1752 ieee80211_cancel_scan(ic);
1753
1754 if (m->m_len < sizeof(struct ether_header) &&
1755 !(m = m_pullup(m, sizeof (struct ether_header))))
1756 continue;
1757
1758 eh = mtod(m, struct ether_header *);
1759
1760 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1761 if (ni == NULL)
1762 {
1763 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1764 "%s: if_start: could not find Tx node\n",
1765 device_get_nameunit(sc->dev));
1766
1767 m_freem(m);
1768
1769 continue;
1770 }
1771
1772 ieee80211_classify(ic, m, ni);
1773
1774 qid = M_WME_GETAC(m);
1775
1776 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[qid]);
1777
1778 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1779 {
1780 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1781
1782 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1783 "%s: if_start: Tx ring with qid=%d is full\n",
1784 device_get_nameunit(sc->dev), qid);
1785
1786 m_freem(m);
1787 ieee80211_free_node(ni);
1788
1789 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1790 ifp->if_oerrors++;
1791
1792 sc->tx_data_queue_full[qid]++;
1793
1794 break;
1795 }
1796
1797 BPF_MTAP(ifp, m);
1798
1799 m = ieee80211_encap(ic, m, ni);
1800 if (m == NULL)
1801 {
1802 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1803
1804 ieee80211_free_node(ni);
1805
1806 ifp->if_oerrors++;
1807
1808 continue;
1809 }
1810
1811 if (bpf_peers_present(ic->ic_rawbpf))
1812 bpf_mtap(ic->ic_rawbpf, m);
1813
1814 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1815 {
1816 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1817
1818 ieee80211_free_node(ni);
1819
1820 ifp->if_oerrors++;
1821
1822 break;
1823 }
1824
1825 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1826
1827 rt2860_drain_fifo_stats(sc);
1828 }
1829
1830 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1831
1832 ic->ic_lastdata = ticks;
1833
1834 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1835 }
1836 }
1837
1838 /*
1839 * rt2860_ioctl
1840 */
1841 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1842 {
1843 struct rt2860_softc *sc;
1844 struct ieee80211com *ic;
1845 int error;
1846
1847 sc = ifp->if_softc;
1848 ic = &sc->ic;
1849
1850 error = 0;
1851
1852 switch (cmd)
1853 {
1854 case SIOCSIFFLAGS:
1855 RT2860_SOFTC_LOCK(sc);
1856
1857 if (ifp->if_flags & IFF_UP)
1858 {
1859 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1860 {
1861 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1862 rt2860_asic_update_promisc(sc);
1863 }
1864 else
1865 {
1866 rt2860_init_locked(sc);
1867 }
1868 }
1869 else
1870 {
1871 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1872 rt2860_stop_locked(sc);
1873 }
1874
1875 sc->if_flags = ifp->if_flags;
1876
1877 RT2860_SOFTC_UNLOCK(sc);
1878 break;
1879
1880 default:
1881 error = ieee80211_ioctl(ic, cmd, data);
1882 }
1883
1884 if (error == ENETRESET)
1885 {
1886 RT2860_SOFTC_LOCK(sc);
1887
1888 if ((ifp->if_flags & IFF_UP) &&
1889 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1890 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1891 {
1892 rt2860_stop_locked(sc);
1893 rt2860_init_locked(sc);
1894 }
1895
1896 RT2860_SOFTC_UNLOCK(sc);
1897
1898 error = 0;
1899 }
1900
1901 return error;
1902 }
1903
1904 /*
1905 * rt2860_reset
1906 */
1907 static int rt2860_reset(struct ifnet *ifp)
1908 {
1909 struct rt2860_softc *sc;
1910 struct ieee80211com *ic;
1911
1912 sc = ifp->if_softc;
1913 ic = &sc->ic;
1914
1915 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1916 return ENETRESET;
1917
1918 rt2860_rf_set_chan(sc, ic->ic_curchan);
1919
1920 return 0;
1921 }
1922
1923 /*
1924 * rt2860_newstate
1925 */
1926 static int rt2860_newstate(struct ieee80211com *ic,
1927 enum ieee80211_state nstate, int arg)
1928 {
1929 struct rt2860_softc *sc;
1930 struct ifnet *ifp;
1931 struct ieee80211_node *ni;
1932 int error;
1933
1934 ifp = ic->ic_ifp;
1935 sc = ifp->if_softc;
1936
1937 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1938 "%s: newstate: %s -> %s\n",
1939 device_get_nameunit(sc->dev),
1940 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1941
1942 error = sc->newstate(ic, nstate, arg);
1943 if (error != 0)
1944 return error;
1945
1946 RT2860_SOFTC_LOCK(sc);
1947
1948 /* turn link LED off */
1949
1950 if (nstate != IEEE80211_S_RUN)
1951 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1952
1953 switch (nstate)
1954 {
1955 case IEEE80211_S_INIT:
1956 rt2860_asic_disable_tsf_sync(sc);
1957 break;
1958
1959 case IEEE80211_S_RUN:
1960 ni = ic->ic_bss;
1961
1962 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1963 rt2860_rf_set_chan(sc, ni->ni_chan);
1964
1965 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1966 {
1967 rt2860_asic_enable_mrr(sc);
1968 rt2860_asic_set_txpreamble(sc);
1969 rt2860_asic_set_basicrates(sc);
1970 rt2860_asic_update_txpower(sc);
1971 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1972 }
1973
1974 if (ic->ic_opmode == IEEE80211_M_STA)
1975 rt2860_newassoc(ni, 1);
1976
1977 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1978 ic->ic_opmode == IEEE80211_M_IBSS)
1979 {
1980 error = rt2860_beacon_alloc(sc);
1981 if (error != 0)
1982 break;
1983
1984 rt2860_asic_update_beacon(sc);
1985 }
1986
1987 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1988 rt2860_asic_enable_tsf_sync(sc);
1989
1990 /* turn link LED on */
1991
1992 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1993 {
1994 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1995 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1996 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1997 }
1998 break;
1999
2000 case IEEE80211_S_SLEEP:
2001 break;
2002
2003 default:
2004 break;
2005 }
2006
2007 RT2860_SOFTC_UNLOCK(sc);
2008
2009 return error;
2010 }
2011
2012 /*
2013 * rt2860_scan_start
2014 */
2015 static void rt2860_scan_start(struct ieee80211com *ic)
2016 {
2017 struct rt2860_softc *sc;
2018 struct ifnet *ifp;
2019
2020 ifp = ic->ic_ifp;
2021 sc = ifp->if_softc;
2022
2023 rt2860_asic_disable_tsf_sync(sc);
2024 }
2025
2026 /*
2027 * rt2860_scan_end
2028 */
2029 static void rt2860_scan_end(struct ieee80211com *ic)
2030 {
2031 struct rt2860_softc *sc;
2032 struct ifnet *ifp;
2033
2034 ifp = ic->ic_ifp;
2035 sc = ifp->if_softc;
2036
2037 rt2860_asic_enable_tsf_sync(sc);
2038 }
2039
2040 /*
2041 * rt2860_set_channel
2042 */
2043 static void rt2860_set_channel(struct ieee80211com *ic)
2044 {
2045 struct rt2860_softc *sc;
2046 struct ifnet *ifp;
2047
2048 ifp = ic->ic_ifp;
2049 sc = ifp->if_softc;
2050
2051 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2052 "%s: set channel: channel=%u, HT%s%s\n",
2053 device_get_nameunit(sc->dev),
2054 ieee80211_chan2ieee(ic, ic->ic_curchan),
2055 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2056 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2057 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2058 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2059
2060 RT2860_SOFTC_LOCK(sc);
2061
2062 rt2860_rf_set_chan(sc, ic->ic_curchan);
2063
2064 RT2860_SOFTC_UNLOCK(sc);
2065 }
2066
2067 /*
2068 * rt2860_newassoc
2069 */
2070 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2071 {
2072 struct rt2860_softc *sc;
2073 struct ieee80211com *ic;
2074 struct ifnet *ifp;
2075 struct rt2860_softc_node *rni;
2076 uint16_t aid;
2077 uint8_t wcid;
2078
2079 ic = ni->ni_ic;
2080 ifp = ic->ic_ifp;
2081 sc = ifp->if_softc;
2082 rni = (struct rt2860_softc_node *) ni;
2083
2084 if (isnew)
2085 {
2086 aid = IEEE80211_AID(ni->ni_associd);
2087 rni->staid = rt2860_staid_alloc(sc, aid);
2088 wcid = rni->staid;
2089
2090 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2091 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2092
2093 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2094
2095 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2096 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2097 device_get_nameunit(sc->dev),
2098 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2099 ni->ni_associd,
2100 (ni->ni_flags & IEEE80211_NODE_HT) ?
2101 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2102 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2103 (ni->ni_flags & IEEE80211_NODE_HT) ?
2104 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2105 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2106
2107 rt2860_asic_updateprot(sc);
2108 rt2860_asic_updateslot(sc);
2109 rt2860_asic_set_txpreamble(sc);
2110 }
2111
2112 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2113 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2114 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2115 ni->ni_associd, rni->staid,
2116 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2117 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2118 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2119
2120 }
2121
2122 /*
2123 * rt2860_updateslot
2124 */
2125 static void rt2860_updateslot(struct ifnet *ifp)
2126 {
2127 struct rt2860_softc *sc;
2128
2129 sc = ifp->if_softc;
2130
2131 rt2860_asic_updateslot(sc);
2132 }
2133
2134 /*
2135 * rt2860_wme_update
2136 */
2137 static int rt2860_wme_update(struct ieee80211com *ic)
2138 {
2139 struct rt2860_softc *sc;
2140 struct ifnet *ifp;
2141
2142 ifp = ic->ic_ifp;
2143 sc = ifp->if_softc;
2144
2145 rt2860_asic_wme_update(sc);
2146
2147 return 0;
2148 }
2149
2150 /*
2151 * rt2860_update_beacon
2152 */
2153 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2154 {
2155 struct rt2860_softc *sc;
2156 struct ifnet *ifp;
2157 struct mbuf *m;
2158 struct ieee80211_beacon_offsets *bo;
2159
2160 ifp = ic->ic_ifp;
2161 sc = ifp->if_softc;
2162 m = sc->beacon_mbuf;
2163 bo = &sc->beacon_offsets;
2164
2165 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2166 "%s: update beacon: what=%d\n",
2167 device_get_nameunit(sc->dev), what);
2168
2169 setbit(bo->bo_flags, what);
2170
2171 ieee80211_beacon_update(ic->ic_bss, bo, m, 0);
2172
2173 rt2860_asic_update_beacon(sc);
2174 }
2175
2176 /*
2177 * rt2860_key_update_begin
2178 */
2179 static void rt2860_key_update_begin(struct ieee80211com *ic)
2180 {
2181 struct rt2860_softc *sc;
2182 struct ifnet *ifp;
2183
2184 ifp = ic->ic_ifp;
2185 sc = ifp->if_softc;
2186
2187 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2188 "%s: key update begin\n",
2189 device_get_nameunit(sc->dev));
2190
2191 taskqueue_block(sc->taskqueue);
2192
2193 IF_LOCK(&ifp->if_snd);
2194 }
2195
2196 /*
2197 * rt2860_key_update_end
2198 */
2199 static void rt2860_key_update_end(struct ieee80211com *ic)
2200 {
2201 struct rt2860_softc *sc;
2202 struct ifnet *ifp;
2203
2204 ifp = ic->ic_ifp;
2205 sc = ifp->if_softc;
2206
2207 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2208 "%s: key update end\n",
2209 device_get_nameunit(sc->dev));
2210
2211 IF_UNLOCK(&ifp->if_snd);
2212
2213 taskqueue_unblock(sc->taskqueue);
2214 }
2215
2216 /*
2217 * rt2860_key_set
2218 */
2219 static int rt2860_key_set(struct ieee80211com *ic,
2220 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2221 {
2222 struct rt2860_softc *sc;
2223 struct ifnet *ifp;
2224 struct ieee80211_node *ni;
2225 struct rt2860_softc_node *rni;
2226 uint16_t key_base, keymode_base;
2227 uint8_t mode, vapid, wcid, iv[8];
2228 uint32_t tmp;
2229
2230 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2231 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2232 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2233 return 0;
2234
2235 ifp = ic->ic_ifp;
2236 sc = ifp->if_softc;
2237
2238 switch (k->wk_cipher->ic_cipher)
2239 {
2240 case IEEE80211_CIPHER_WEP:
2241 if(k->wk_keylen < 8)
2242 mode = RT2860_REG_CIPHER_MODE_WEP40;
2243 else
2244 mode = RT2860_REG_CIPHER_MODE_WEP104;
2245 break;
2246
2247 case IEEE80211_CIPHER_TKIP:
2248 mode = RT2860_REG_CIPHER_MODE_TKIP;
2249 break;
2250
2251 case IEEE80211_CIPHER_AES_CCM:
2252 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2253 break;
2254
2255 default:
2256 return 0;
2257 }
2258
2259 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2260 "%s: set key: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2261 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(mac),
2262 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2263
2264 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2265 {
2266 /* install pairwise key */
2267
2268 ni = ieee80211_find_node(&ic->ic_sta, mac);
2269 rni = (struct rt2860_softc_node *) ni;
2270
2271 vapid = 0;
2272 wcid = rni->staid;
2273 key_base = RT2860_REG_PKEY(wcid);
2274
2275 ieee80211_free_node(ni);
2276
2277 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2278 {
2279 memset(iv, 0, 8);
2280
2281 iv[3] = (k->wk_keyix << 6);
2282 }
2283 else
2284 {
2285 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2286 {
2287 iv[0] = (k->wk_keytsc >> 8);
2288 iv[1] = ((iv[0] | 0x20) & 0x7f);
2289 iv[2] = k->wk_keytsc;
2290 }
2291 else
2292 {
2293 /* AES CCMP */
2294
2295 iv[0] = k->wk_keytsc;
2296 iv[1] = k->wk_keytsc >> 8;
2297 iv[2] = 0;
2298 }
2299
2300 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2301 iv[4] = (k->wk_keytsc >> 16);
2302 iv[5] = (k->wk_keytsc >> 24);
2303 iv[6] = (k->wk_keytsc >> 32);
2304 iv[7] = (k->wk_keytsc >> 40);
2305
2306 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2307 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2308 device_get_nameunit(sc->dev),
2309 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2310 }
2311
2312 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2313
2314 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2315 {
2316 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2317
2318 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2319 {
2320 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2321 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2322 }
2323 else
2324 {
2325 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2326 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2327 }
2328 }
2329 else
2330 {
2331 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2332 }
2333
2334 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2335 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2336
2337 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2338 }
2339
2340 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2341 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2342 {
2343 /* install group key */
2344
2345 vapid = 0;
2346 wcid = RT2860_WCID_MCAST;
2347 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2348 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2349
2350 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2351 {
2352 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2353
2354 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2355 {
2356 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2357 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2358 }
2359 else
2360 {
2361 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2362 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2363 }
2364 }
2365 else
2366 {
2367 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2368 }
2369
2370 tmp = rt2860_io_mac_read(sc, keymode_base);
2371
2372 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2373 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2374
2375 rt2860_io_mac_write(sc, keymode_base, tmp);
2376
2377 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2378 {
2379 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2380 {
2381 memset(iv, 0, 8);
2382
2383 iv[3] = (k->wk_keyix << 6);
2384 }
2385 else
2386 {
2387 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2388 {
2389 iv[0] = (k->wk_keytsc >> 8);
2390 iv[1] = ((iv[0] | 0x20) & 0x7f);
2391 iv[2] = k->wk_keytsc;
2392 }
2393 else
2394 {
2395 /* AES CCMP */
2396
2397 iv[0] = k->wk_keytsc;
2398 iv[1] = k->wk_keytsc >> 8;
2399 iv[2] = 0;
2400 }
2401
2402 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2403 iv[4] = (k->wk_keytsc >> 16);
2404 iv[5] = (k->wk_keytsc >> 24);
2405 iv[6] = (k->wk_keytsc >> 32);
2406 iv[7] = (k->wk_keytsc >> 40);
2407
2408 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2409 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2410 device_get_nameunit(sc->dev),
2411 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2412 }
2413
2414 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2415
2416 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2417 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2418
2419 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2420 }
2421 }
2422
2423 return 1;
2424 }
2425
2426 /*
2427 * rt2860_key_delete
2428 */
2429 static int rt2860_key_delete(struct ieee80211com *ic,
2430 const struct ieee80211_key *k)
2431 {
2432 struct rt2860_softc *sc;
2433 uint8_t vapid, wcid;
2434 uint32_t tmp;
2435
2436 sc = ic->ic_ifp->if_softc;
2437
2438 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2439 "%s: delete key: keyix=%d, keylen=%d, group=%d\n",
2440 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen,
2441 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2442
2443 if (k->wk_flags & IEEE80211_KEY_GROUP)
2444 {
2445 /* remove group key */
2446
2447 vapid = 0;
2448 wcid = RT2860_WCID_MCAST;
2449
2450 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2451
2452 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2453 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2454
2455 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2456
2457 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2458 {
2459 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2460 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2461
2462 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2463 }
2464 }
2465
2466 return 1;
2467 }
2468
2469 /*
2470 * rt2860_raw_xmit
2471 */
2472 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2473 const struct ieee80211_bpf_params *params)
2474 {
2475 return 0;
2476 }
2477
2478 /*
2479 * rt2860_media_change
2480 */
2481 static int rt2860_media_change(struct ifnet *ifp)
2482 {
2483 struct rt2860_softc *sc;
2484 int error;
2485
2486 sc = ifp->if_softc;
2487
2488 error = ieee80211_media_change(ifp);
2489 if (error != ENETRESET)
2490 return error;
2491
2492 RT2860_SOFTC_LOCK(sc);
2493
2494 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2495 {
2496 rt2860_stop_locked(sc);
2497 rt2860_init_locked(sc);
2498 }
2499
2500 RT2860_SOFTC_UNLOCK(sc);
2501
2502 return 0;
2503 }
2504
2505 /*
2506 * rt2860_node_alloc
2507 */
2508 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211_node_table *nt)
2509 {
2510 return malloc(sizeof(struct rt2860_softc_node),
2511 M_80211_NODE, M_NOWAIT | M_ZERO);
2512 }
2513
2514 /*
2515 * rt2860_node_cleanup
2516 */
2517 static void rt2860_node_cleanup(struct ieee80211_node *ni)
2518 {
2519 struct rt2860_softc *sc;
2520 struct ieee80211com *ic;
2521 struct ifnet *ifp;
2522 struct ieee80211_rx_ampdu *rx_ampdu;
2523 struct rt2860_softc_node *rni;
2524 uint8_t vapid, wcid;
2525 int i;
2526 uint32_t tmp;
2527
2528 ic = ni->ni_ic;
2529 ifp = ic->ic_ifp;
2530 sc = ifp->if_softc;
2531 rni = (struct rt2860_softc_node *) ni;
2532
2533 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2534 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2535 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2536 ni->ni_associd, rni->staid);
2537
2538 if (rni->staid != 0)
2539 {
2540 vapid = 0;
2541 wcid = rni->staid;
2542
2543 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2544 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2545
2546 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2547
2548 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0xffffffff);
2549 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, 0x0000ffff);
2550
2551 rt2860_staid_delete(sc, rni->staid);
2552
2553 rni->staid = 0;
2554
2555 for (i = 0; i < WME_NUM_TID; i++)
2556 {
2557 rx_ampdu = &ni->ni_rx_ampdu[i];
2558
2559 if (rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND)
2560 sc->rx_ampdu_sessions--;
2561 }
2562 }
2563
2564 sc->node_cleanup(ni);
2565 }
2566
2567 /*
2568 * rt2860_recv_action
2569 */
2570 static void rt2860_recv_action(struct ieee80211_node *ni,
2571 const uint8_t *frm, const uint8_t *efrm)
2572 {
2573 struct rt2860_softc *sc;
2574 struct ieee80211com *ic;
2575 struct ifnet *ifp;
2576 struct rt2860_softc_node *rni;
2577 const struct ieee80211_action *ia;
2578 uint16_t baparamset;
2579 int tid;
2580 uint8_t wcid;
2581
2582 ic = ni->ni_ic;
2583 ifp = ic->ic_ifp;
2584 sc = ifp->if_softc;
2585 rni = (struct rt2860_softc_node *) ni;
2586
2587 ia = (const struct ieee80211_action *) frm;
2588
2589 if (ia->ia_category == IEEE80211_ACTION_CAT_BA)
2590 {
2591 switch (ia->ia_action)
2592 {
2593 /* IEEE80211_ACTION_BA_DELBA */
2594 case IEEE80211_ACTION_BA_DELBA:
2595 baparamset = LE_READ_2(frm + 2);
2596 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2597 wcid = rni->staid;
2598
2599 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2600 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2601 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2602
2603 if (rni->staid != 0)
2604 rt2860_asic_del_ba_session(sc, wcid, tid);
2605 break;
2606 }
2607 }
2608
2609 sc->recv_action(ni, frm, efrm);
2610 }
2611
2612 /*
2613 * rt2860_send_action
2614 */
2615 static int rt2860_send_action(struct ieee80211_node *ni,
2616 int category, int action, uint16_t args[4])
2617 {
2618 struct rt2860_softc *sc;
2619 struct ieee80211com *ic;
2620 struct ifnet *ifp;
2621 struct ieee80211_rx_ampdu *rx_ampdu;
2622 struct rt2860_softc_node *rni;
2623 uint16_t status, baparamset;
2624 uint8_t wcid;
2625 int tid, bufsize;
2626
2627 ic = ni->ni_ic;
2628 ifp = ic->ic_ifp;
2629 sc = ifp->if_softc;
2630 rni = (struct rt2860_softc_node *) ni;
2631
2632 wcid = rni->staid;
2633
2634 if (category == IEEE80211_ACTION_CAT_BA)
2635 {
2636 switch (action)
2637 {
2638 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2639 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2640 status = args[1];
2641 baparamset = args[2];
2642 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2643 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2644 rx_ampdu = &ni->ni_rx_ampdu[tid];
2645
2646 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2647 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2648 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2649
2650 if (status == IEEE80211_STATUS_SUCCESS)
2651 {
2652 rt2860_asic_add_ba_session(sc, wcid, tid);
2653
2654 if (!(rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND))
2655 sc->rx_ampdu_sessions++;
2656 }
2657 break;
2658
2659 /* IEEE80211_ACTION_BA_DELBA */
2660 case IEEE80211_ACTION_BA_DELBA:
2661 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2662 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2663 rx_ampdu = &ni->ni_rx_ampdu[tid];
2664
2665 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2666 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2667 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2668
2669 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2670 {
2671 rt2860_asic_del_ba_session(sc, wcid, tid);
2672
2673 if (rx_ampdu->rxa_flags & IEEE80211_AGGR_XCHGPEND)
2674 sc->rx_ampdu_sessions--;
2675 }
2676 break;
2677 }
2678 }
2679
2680 return sc->send_action(ni, category, action, args);
2681
2682 }
2683
2684 /*
2685 * rt2860_addba_response
2686 */
2687 static int rt2860_addba_response(struct ieee80211_node *ni,
2688 struct ieee80211_tx_ampdu *tap,
2689 int status, int baparamset, int batimeout)
2690 {
2691 struct rt2860_softc *sc;
2692 struct ieee80211com *ic;
2693 struct ifnet *ifp;
2694 struct rt2860_softc_node *rni;
2695 ieee80211_seq seqno;
2696 int ret, tid, old_bufsize, new_bufsize;
2697
2698 ic = ni->ni_ic;
2699 ifp = ic->ic_ifp;
2700 sc = ifp->if_softc;
2701 rni = (struct rt2860_softc_node *) ni;
2702
2703 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2704 old_bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2705 new_bufsize = old_bufsize;
2706
2707 if (status == IEEE80211_STATUS_SUCCESS)
2708 {
2709 if (sc->mac_rev >= 0x28830300)
2710 {
2711 if (sc->mac_rev >= 0x30700200)
2712 new_bufsize = 13;
2713 else
2714 new_bufsize = 31;
2715 }
2716 else if (sc->mac_rev >= 0x28720200)
2717 {
2718 new_bufsize = 13;
2719 }
2720 else
2721 {
2722 new_bufsize = 7;
2723 }
2724
2725 if (old_bufsize > new_bufsize)
2726 {
2727 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2728 baparamset = RT2860_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
2729 }
2730
2731 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2732 {
2733 sc->tx_ampdu_sessions++;
2734
2735 if (sc->tx_ampdu_sessions == 1)
2736 rt2860_asic_updateprot(sc);
2737 }
2738 }
2739
2740 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2741 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
2742 "old bufsize=%d, new bufsize=%d\n",
2743 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
2744 old_bufsize, new_bufsize);
2745
2746 ret = sc->addba_response(ni, tap, status, baparamset, batimeout);
2747
2748 if (status == IEEE80211_STATUS_SUCCESS)
2749 {
2750 seqno = ni->ni_txseqs[tid];
2751
2752 rt2860_send_bar(ni, tap, seqno);
2753 }
2754
2755 return ret;
2756 }
2757
2758 /*
2759 * rt2860_addba_stop
2760 */
2761 static void rt2860_addba_stop(struct ieee80211_node *ni,
2762 struct ieee80211_tx_ampdu *tap)
2763 {
2764 struct rt2860_softc *sc;
2765 struct ieee80211com *ic;
2766 struct ifnet *ifp;
2767 struct rt2860_softc_node *rni;
2768 int tid;
2769
2770 ic = ni->ni_ic;
2771 ifp = ic->ic_ifp;
2772 sc = ifp->if_softc;
2773 rni = (struct rt2860_softc_node *) ni;
2774
2775 tid = WME_AC_TO_TID(tap->txa_ac);
2776
2777 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2778 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2779 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2780
2781 if (tap->txa_flags & IEEE80211_AGGR_RUNNING)
2782 {
2783 if (sc->tx_ampdu_sessions > 0)
2784 {
2785 sc->tx_ampdu_sessions--;
2786
2787 if (sc->tx_ampdu_sessions == 0)
2788 rt2860_asic_updateprot(sc);
2789 }
2790 else
2791 {
2792 printf("%s: number of A-MPDU Tx sessions cannot be negative\n",
2793 device_get_nameunit(sc->dev));
2794 }
2795 }
2796
2797 sc->addba_stop(ni, tap);
2798 }
2799
2800 /*
2801 * rt2860_send_bar
2802 */
2803 static int rt2860_send_bar(struct ieee80211_node *ni,
2804 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
2805 {
2806 struct rt2860_softc *sc;
2807 struct ieee80211com *ic;
2808 struct ifnet *ifp;
2809 struct ieee80211_frame_bar *bar;
2810 struct rt2860_softc_node *rni;
2811 struct mbuf *m;
2812 uint16_t barctl, barseqctl;
2813 uint8_t *frm;
2814 int tid;
2815
2816 ic = ni->ni_ic;
2817 ifp = ic->ic_ifp;
2818 sc = ifp->if_softc;
2819 rni = (struct rt2860_softc_node *) ni;
2820
2821 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2822 return EINVAL;
2823
2824 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
2825 if (m == NULL)
2826 return ENOMEM;
2827
2828 bar = mtod(m, struct ieee80211_frame_bar *);
2829
2830 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
2831 bar->i_fc[1] = 0;
2832
2833 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
2834 IEEE80211_ADDR_COPY(bar->i_ta, ic->ic_myaddr);
2835
2836 tid = WME_AC_TO_TID(tap->txa_ac);
2837
2838 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
2839 IEEE80211_BAR_COMP |
2840 RT2860_SM(tid, IEEE80211_BAR_TID);
2841 barseqctl = RT2860_SM(seqno, IEEE80211_BASEQ_START);
2842
2843 bar->i_ctl = htole16(barctl);
2844 bar->i_seq = htole16(barseqctl);
2845
2846 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
2847 m->m_pkthdr.rcvif = (void *) ni;
2848
2849 tap->txa_start = seqno;
2850
2851 ieee80211_ref_node(ni);
2852
2853 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2854 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
2855 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
2856
2857 IF_ENQUEUE(&ic->ic_mgtq, m);
2858
2859 if_start(ifp);
2860
2861 return 0;
2862 }
2863
2864 /*
2865 * rt2860_amrr_update_iter_func
2866 */
2867 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2868 {
2869 struct rt2860_softc *sc;
2870 struct ieee80211com *ic;
2871 struct rt2860_softc_node *rni;
2872 uint8_t wcid;
2873
2874 sc = arg;
2875 ic = &sc->ic;
2876 rni = (struct rt2860_softc_node *) ni;
2877
2878 /* only associated stations */
2879
2880 if (rni->staid != 0)
2881 {
2882 wcid = rni->staid;
2883
2884 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2885 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2886 device_get_nameunit(sc->dev),
2887 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2888
2889 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2890
2891 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2892 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
2893 device_get_nameunit(sc->dev),
2894 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2895 ni->ni_associd, rni->staid,
2896 (ni->ni_flags & IEEE80211_NODE_HT) ?
2897 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2898 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2899 (ni->ni_flags & IEEE80211_NODE_HT) ?
2900 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2901 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2902 }
2903 }
2904
2905 /*
2906 * rt2860_periodic
2907 */
2908 static void rt2860_periodic(void *arg)
2909 {
2910 struct rt2860_softc *sc;
2911
2912 sc = arg;
2913
2914 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2915 "%s: periodic\n",
2916 device_get_nameunit(sc->dev));
2917
2918 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2919 }
2920
2921 /*
2922 * rt2860_tx_watchdog
2923 */
2924 static void rt2860_tx_watchdog(void *arg)
2925 {
2926 struct rt2860_softc *sc;
2927 struct ifnet *ifp;
2928
2929 sc = arg;
2930 ifp = sc->ifp;
2931
2932 if (sc->tx_timer == 0)
2933 return;
2934
2935 if (--sc->tx_timer == 0)
2936 {
2937 printf("%s: Tx watchdog timeout: resetting\n",
2938 device_get_nameunit(sc->dev));
2939
2940 rt2860_stop_locked(sc);
2941 rt2860_init_locked(sc);
2942
2943 ifp->if_oerrors++;
2944
2945 sc->tx_watchdog_timeouts++;
2946 }
2947
2948 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2949 }
2950
2951 /*
2952 * rt2860_staid_alloc
2953 */
2954 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
2955 {
2956 int staid;
2957
2958 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
2959 {
2960 staid = aid;
2961 }
2962 else
2963 {
2964 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
2965 {
2966 if (isclr(sc->staid_mask, staid))
2967 break;
2968 }
2969 }
2970
2971 setbit(sc->staid_mask, staid);
2972
2973 return staid;
2974 }
2975
2976 /*
2977 * rt2860_staid_delete
2978 */
2979 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
2980 {
2981 clrbit(sc->staid_mask, staid);
2982 }
2983
2984 /*
2985 * rt2860_asic_set_bssid
2986 */
2987 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2988 const uint8_t *bssid)
2989 {
2990 uint32_t tmp;
2991
2992 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2993 "%s: set bssid: bssid=%s\n",
2994 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2995
2996 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2997
2998 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2999
3000 tmp = bssid[4] | (bssid[5] << 8);
3001
3002 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
3003 }
3004
3005 /*
3006 * rt2860_asic_set_macaddr
3007 */
3008 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
3009 const uint8_t *addr)
3010 {
3011 uint32_t tmp;
3012
3013 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3014
3015 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
3016
3017 tmp = addr[4] | (addr[5] << 8);
3018
3019 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
3020 }
3021
3022 /*
3023 * rt2860_asic_enable_tsf_sync
3024 */
3025 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
3026 {
3027 struct ieee80211com *ic;
3028 uint32_t tmp;
3029
3030 ic = &sc->ic;
3031
3032 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3033 "%s: enabling TSF\n",
3034 device_get_nameunit(sc->dev));
3035
3036 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3037
3038 tmp &= ~0x1fffff;
3039 tmp |= ic->ic_bss->ni_intval * 16;
3040 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3041
3042 if (ic->ic_opmode == IEEE80211_M_STA)
3043 {
3044 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3045 }
3046 else if (ic->ic_opmode == IEEE80211_M_IBSS)
3047 {
3048 tmp |= RT2860_REG_BCN_TX_ENABLE;
3049 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3050 }
3051 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
3052 {
3053 tmp |= RT2860_REG_BCN_TX_ENABLE;
3054 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3055 }
3056
3057 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3058 }
3059
3060 /*
3061 * rt2860_asic_disable_tsf_sync
3062 */
3063 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3064 {
3065 uint32_t tmp;
3066
3067 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3068 "%s: disabling TSF\n",
3069 device_get_nameunit(sc->dev));
3070
3071 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3072
3073 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3074 RT2860_REG_TSF_TIMER_ENABLE |
3075 RT2860_REG_TBTT_TIMER_ENABLE);
3076
3077 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3078 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3079
3080 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3081 }
3082
3083 /*
3084 * rt2860_asic_enable_mrr
3085 */
3086 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3087 {
3088 #define CCK(mcs) (mcs)
3089 #define OFDM(mcs) ((1 << 3) | (mcs))
3090 #define HT(mcs) (mcs)
3091
3092 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3093 (OFDM(6) << 28) | /* 54 -> 48 */
3094 (OFDM(5) << 24) | /* 48 -> 36 */
3095 (OFDM(4) << 20) | /* 36 -> 24 */
3096 (OFDM(3) << 16) | /* 24 -> 18 */
3097 (OFDM(2) << 12) | /* 18 -> 12 */
3098 (OFDM(1) << 8) | /* 12 -> 9 */
3099 (OFDM(0) << 4) | /* 9 -> 6 */
3100 OFDM(0)); /* 6 -> 6 */
3101
3102 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3103 (CCK(2) << 12) | /* 11 -> 5.5 */
3104 (CCK(1) << 8) | /* 5.5 -> 2 */
3105 (CCK(0) << 4) | /* 2 -> 1 */
3106 CCK(0)); /* 1 -> 1 */
3107
3108 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3109 (HT(6) << 28) |
3110 (HT(5) << 24) |
3111 (HT(4) << 20) |
3112 (HT(3) << 16) |
3113 (HT(2) << 12) |
3114 (HT(1) << 8) |
3115 (HT(0) << 4) |
3116 HT(0));
3117
3118 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3119 (HT(14) << 28) |
3120 (HT(13) << 24) |
3121 (HT(12) << 20) |
3122 (HT(11) << 16) |
3123 (HT(10) << 12) |
3124 (HT(9) << 8) |
3125 (HT(8) << 4) |
3126 HT(7));
3127
3128 #undef HT
3129 #undef OFDM
3130 #undef CCK
3131 }
3132
3133 /*
3134 * rt2860_asic_set_txpreamble
3135 */
3136 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3137 {
3138 struct ieee80211com *ic;
3139 uint32_t tmp;
3140
3141 ic = &sc->ic;
3142
3143 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3144 "%s: %s short Tx preamble\n",
3145 device_get_nameunit(sc->dev),
3146 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3147
3148 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3149
3150 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3151
3152 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
3153 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3154
3155 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3156 }
3157
3158 /*
3159 * rt2860_asic_set_basicrates
3160 */
3161 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3162 {
3163 struct ieee80211com *ic;
3164
3165 ic = &sc->ic;
3166
3167 if (ic->ic_curmode == IEEE80211_MODE_11B)
3168 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3169 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3170 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3171 else
3172 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3173 }
3174
3175 /*
3176 * rt2860_asic_update_rtsthreshold
3177 */
3178 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3179 {
3180 struct ieee80211com *ic;
3181 uint32_t tmp;
3182 uint16_t threshold;
3183
3184 ic = &sc->ic;
3185
3186 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3187 "%s: updating RTS threshold: %d\n",
3188 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
3189
3190 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3191
3192 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3193
3194 if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_TX)
3195 threshold = 0x1000;
3196 else
3197 threshold = ic->ic_rtsthreshold;
3198
3199
3200 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3201 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3202
3203 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3204 }
3205
3206 /*
3207 * rt2860_asic_update_txpower
3208 */
3209 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3210 {
3211 struct ieee80211com *ic;
3212 uint32_t *txpow_rate;
3213 int8_t delta;
3214 uint8_t val;
3215 uint32_t tmp;
3216 int i;
3217
3218 ic = &sc->ic;
3219
3220 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3221 "%s: updating Tx power: %d\n",
3222 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3223
3224 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3225 {
3226 txpow_rate = sc->txpow_rate_20mhz;
3227 }
3228 else
3229 {
3230 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3231 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3232 else
3233 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3234 }
3235
3236 delta = 0;
3237
3238 val = rt2860_io_bbp_read(sc, 1);
3239 val &= 0xfc;
3240
3241 if (ic->ic_txpowlimit > 90)
3242 {
3243 /* do nothing */
3244 }
3245 else if (ic->ic_txpowlimit > 60)
3246 {
3247 delta -= 1;
3248 }
3249 else if (ic->ic_txpowlimit > 30)
3250 {
3251 delta -= 3;
3252 }
3253 else if (ic->ic_txpowlimit > 15)
3254 {
3255 val |= 0x1;
3256 }
3257 else if (ic->ic_txpowlimit > 9)
3258 {
3259 val |= 0x1;
3260 delta -= 3;
3261 }
3262 else
3263 {
3264 val |= 0x2;
3265 }
3266
3267 rt2860_io_bbp_write(sc, 1, val);
3268
3269 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3270 {
3271 if (txpow_rate[i] == 0xffffffff)
3272 continue;
3273
3274 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3275
3276 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3277 }
3278 }
3279
3280 /*
3281 * rt2860_asic_update_promisc
3282 */
3283 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3284 {
3285 struct ifnet *ifp;
3286 uint32_t tmp;
3287
3288 ifp = sc->ic.ic_ifp;
3289
3290 printf("%s: %s promiscuous mode\n",
3291 device_get_nameunit(sc->dev),
3292 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3293
3294 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3295
3296 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3297
3298 if (!(ifp->if_flags & IFF_PROMISC))
3299 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3300
3301 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3302 }
3303
3304 /*
3305 * rt2860_asic_updateprot
3306 */
3307 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3308 {
3309 struct ieee80211com *ic;
3310 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3311 uint8_t htopmode;
3312 enum ieee80211_protmode htprotmode;
3313
3314 ic = &sc->ic;
3315
3316 /* CCK frame protection */
3317
3318 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3319 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3320
3321 /* set up protection frame phy mode and rate (MCS code) */
3322
3323 if (ic->ic_curmode == IEEE80211_MODE_11A)
3324 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3325 (0 << RT2860_REG_PROT_MCS_SHIFT);
3326 else
3327 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3328 (3 << RT2860_REG_PROT_MCS_SHIFT));
3329
3330 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3331
3332 /* OFDM frame protection */
3333
3334 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3335 RT2860_REG_TXOP_ALLOW_ALL;
3336
3337 if (ic->ic_flags & IEEE80211_F_USEPROT)
3338 {
3339 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3340 "%s: updating protection mode: b/g protection mode=%s\n",
3341 device_get_nameunit(sc->dev),
3342 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3343 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3344
3345 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3346 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3347 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3348 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3349 else
3350 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3351 }
3352 else
3353 {
3354 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3355 "%s: updating protection mode: b/g protection mode=%s\n",
3356 device_get_nameunit(sc->dev), "none");
3357
3358 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3359 }
3360
3361 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3362
3363 /* HT frame protection */
3364
3365 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3366 htopmode = ic->ic_bss->ni_htopmode;
3367 else
3368 htopmode = ic->ic_curhtprotmode;
3369
3370 htprotmode = ic->ic_htprotmode;
3371
3372 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3373
3374 if (sc->tx_ampdu_sessions > 0)
3375 {
3376 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3377 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3378 device_get_nameunit(sc->dev));
3379
3380 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3381 htprotmode = IEEE80211_PROT_RTSCTS;
3382 }
3383
3384 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3385 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3386 device_get_nameunit(sc->dev),
3387 htopmode & IEEE80211_HTINFO_OPMODE,
3388 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3389 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3390
3391 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3392 {
3393 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3394 case IEEE80211_HTINFO_OPMODE_HT20PR:
3395 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3396 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3397 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3398 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3399 (4 << RT2860_REG_PROT_MCS_SHIFT);
3400
3401 gf20_prot = mm20_prot;
3402
3403 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3404 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3405 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3406
3407 if (htprotmode == IEEE80211_PROT_RTSCTS)
3408 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3409 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3410 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3411 else
3412 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3413
3414 gf40_prot = mm40_prot;
3415 break;
3416
3417 /* IEEE80211_HTINFO_OPMODE_MIXED */
3418 case IEEE80211_HTINFO_OPMODE_MIXED:
3419 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3420 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3421 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3422
3423 if (ic->ic_flags & IEEE80211_F_USEPROT)
3424 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3425 (3 << RT2860_REG_PROT_MCS_SHIFT);
3426 else
3427 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3428 (4 << RT2860_REG_PROT_MCS_SHIFT);
3429
3430 if (htprotmode == IEEE80211_PROT_RTSCTS)
3431 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3432 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3433 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3434 else
3435 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3436
3437 gf20_prot = mm20_prot;
3438
3439 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3440
3441 if (ic->ic_flags & IEEE80211_F_USEPROT)
3442 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3443 (3 << RT2860_REG_PROT_MCS_SHIFT);
3444 else
3445 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3446 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3447
3448 if (htprotmode == IEEE80211_PROT_RTSCTS)
3449 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3450 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3451 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3452 else
3453 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3454
3455 gf40_prot = mm40_prot;
3456 break;
3457
3458 /*
3459 * IEEE80211_HTINFO_OPMODE_PURE
3460 * IEEE80211_HTINFO_OPMODE_PROTOPT
3461 */
3462 case IEEE80211_HTINFO_OPMODE_PURE:
3463 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3464 default:
3465 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3466 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3467 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3468 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3469 (4 << RT2860_REG_PROT_MCS_SHIFT);
3470
3471 gf20_prot = mm20_prot;
3472
3473 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3474 RT2860_REG_TXOP_ALLOW_ALL |
3475 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3476 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3477
3478 gf40_prot = mm40_prot;
3479 break;
3480 }
3481
3482 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3483 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3484 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3485 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3486 }
3487
3488 /*
3489 * rt2860_asic_updateslot
3490 */
3491 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3492 {
3493 struct ieee80211com *ic;
3494 uint32_t tmp;
3495
3496 ic = &sc->ic;
3497
3498 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3499 "%s: %s short slot time\n",
3500 device_get_nameunit(sc->dev),
3501 (ic->ic_flags & (IEEE80211_F_SHSLOT | IEEE80211_F_BURST)) ? "enabling" : "disabling");
3502
3503 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3504
3505 tmp &= ~0xff;
3506 tmp |= (ic->ic_flags & (IEEE80211_F_SHSLOT |IEEE80211_F_BURST)) ? 9 : 20;
3507
3508 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3509 }
3510
3511 /*
3512 * rt2860_asic_wme_update
3513 */
3514 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3515 {
3516 struct ieee80211com *ic;
3517 struct ieee80211_wme_state *wme;
3518 const struct wmeParams *wmep;
3519 int i;
3520
3521 ic = &sc->ic;
3522 wme = &ic->ic_wme;
3523 wmep = wme->wme_chanParams.cap_wmeParams;
3524
3525 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3526 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3527 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3528 device_get_nameunit(sc->dev),
3529 wmep[WME_AC_VO].wmep_aifsn,
3530 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3531 wmep[WME_AC_VO].wmep_txopLimit,
3532 wmep[WME_AC_VI].wmep_aifsn,
3533 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3534 wmep[WME_AC_VI].wmep_txopLimit,
3535 wmep[WME_AC_BK].wmep_aifsn,
3536 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3537 wmep[WME_AC_BK].wmep_txopLimit,
3538 wmep[WME_AC_BE].wmep_aifsn,
3539 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3540 wmep[WME_AC_BE].wmep_txopLimit);
3541
3542 for (i = 0; i < WME_NUM_AC; i++)
3543 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3544 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3545 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3546
3547 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3548 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3549 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3550
3551 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3552 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3553 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3554
3555 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3556 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3557 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3558
3559 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3560 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3561
3562 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3563 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3564 }
3565
3566 /*
3567 * rt2860_asic_update_beacon
3568 */
3569 static void rt2860_asic_update_beacon(struct rt2860_softc *sc)
3570 {
3571 struct ieee80211com *ic;
3572 struct mbuf *m;
3573 struct rt2860_txwi *txwi;
3574 uint32_t tmp;
3575
3576 ic = &sc->ic;
3577
3578 m = sc->beacon_mbuf;
3579 txwi = &sc->beacon_txwi;
3580
3581 /* disable temporarily TSF sync */
3582
3583 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3584
3585 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3586 RT2860_REG_TSF_TIMER_ENABLE |
3587 RT2860_REG_TBTT_TIMER_ENABLE);
3588
3589 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3590
3591 /* write Tx wireless info and beacon frame to on-chip memory */
3592
3593 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3594 txwi, sizeof(struct rt2860_txwi));
3595
3596 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3597 mtod(m, uint8_t *), m->m_pkthdr.len);
3598
3599 /* enable again TSF sync */
3600
3601 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3602
3603 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3604 RT2860_REG_TSF_TIMER_ENABLE |
3605 RT2860_REG_TBTT_TIMER_ENABLE);
3606
3607 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3608 }
3609
3610 /*
3611 * rt2860_asic_clear_keytables
3612 */
3613 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3614 {
3615 int i;
3616
3617 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3618
3619 for (i = 0; i < 256; i++)
3620 {
3621 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3622 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3623 }
3624
3625 /* clear WCID attribute table (entries = 256, entry size = 4) */
3626
3627 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3628
3629 /* clear IV/EIV table (entries = 256, entry size = 8) */
3630
3631 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3632
3633 /* clear pairwise key table (entries = 64, entry size = 32) */
3634
3635 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3636
3637 /* clear shared key table (entries = 32, entry size = 32) */
3638
3639 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3640
3641 /* clear shared key mode (entries = 32, entry size = 2) */
3642
3643 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3644 }
3645
3646 /*
3647 * rt2860_asic_add_ba_session
3648 */
3649 static void rt2860_asic_add_ba_session(struct rt2860_softc *sc,
3650 uint8_t wcid, int tid)
3651 {
3652 uint32_t tmp;
3653
3654 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3655 "%s: adding BA session: wcid=0x%02x, tid=%d\n",
3656 device_get_nameunit(sc->dev), wcid, tid);
3657
3658 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
3659
3660 tmp |= (0x10000 << tid);
3661
3662 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
3663 }
3664
3665 /*
3666 * rt2860_asic_del_ba_session
3667 */
3668 static void rt2860_asic_del_ba_session(struct rt2860_softc *sc,
3669 uint8_t wcid, int tid)
3670 {
3671 uint32_t tmp;
3672
3673 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3674 "%s: deleting BA session: wcid=0x%02x, tid=%d\n",
3675 device_get_nameunit(sc->dev), wcid, tid);
3676
3677 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
3678
3679 tmp &= ~(0x10000 << tid);
3680
3681 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
3682 }
3683
3684 /*
3685 * rt2860_beacon_alloc
3686 */
3687 static int rt2860_beacon_alloc(struct rt2860_softc *sc)
3688 {
3689 struct ieee80211com *ic;
3690 struct mbuf *m;
3691 struct rt2860_txwi txwi;
3692 uint8_t rate, mcs;
3693
3694 ic = &sc->ic;
3695
3696 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3697 if (m == NULL)
3698 return ENOMEM;
3699
3700 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3701 mcs = rt2860_rate2mcs(rate);
3702
3703 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3704 "%s: beacon allocate: mcs=0x%02x\n",
3705 device_get_nameunit(sc->dev), mcs);
3706
3707 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3708
3709 txwi.wcid = RT2860_WCID_RESERVED;
3710 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3711 RT2860_TXWI_MPDU_LEN_SHIFT);
3712 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3713 txwi.mpdu_density_flags |=
3714 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3715 txwi.bawin_size_xflags |=
3716 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3717
3718 if (rate == 2)
3719 {
3720 txwi.phymode_ifs_stbc_shortgi =
3721 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3722
3723 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3724 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3725 }
3726 else
3727 {
3728 txwi.phymode_ifs_stbc_shortgi =
3729 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3730 }
3731
3732 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3733 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3734
3735 if (sc->beacon_mbuf != NULL)
3736 {
3737 m_free(sc->beacon_mbuf);
3738 sc->beacon_mbuf = NULL;
3739 }
3740
3741 sc->beacon_mbuf = m;
3742 sc->beacon_txwi = txwi;
3743
3744 return 0;
3745 }
3746
3747 /*
3748 * rt2860_rxrate
3749 */
3750 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3751 {
3752 uint8_t mcs, phymode;
3753 uint8_t rate;
3754
3755 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3756 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3757 RT2860_RXWI_PHYMODE_MASK;
3758
3759 rate = 2;
3760
3761 switch (phymode)
3762 {
3763 case RT2860_RXWI_PHYMODE_CCK:
3764 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3765 {
3766 case 0: rate = 2; break; /* 1 Mbps */
3767 case 1: rate = 4; break; /* 2 MBps */
3768 case 2: rate = 11; break; /* 5.5 Mbps */
3769 case 3: rate = 22; break; /* 11 Mbps */
3770 }
3771 break;
3772
3773 case RT2860_RXWI_PHYMODE_OFDM:
3774 switch (mcs)
3775 {
3776 case 0: rate = 12; break; /* 6 Mbps */
3777 case 1: rate = 18; break; /* 9 Mbps */
3778 case 2: rate = 24; break; /* 12 Mbps */
3779 case 3: rate = 36; break; /* 18 Mbps */
3780 case 4: rate = 48; break; /* 24 Mbps */
3781 case 5: rate = 72; break; /* 36 Mbps */
3782 case 6: rate = 96; break; /* 48 Mbps */
3783 case 7: rate = 108; break; /* 54 Mbps */
3784 }
3785 break;
3786
3787 case RT2860_RXWI_PHYMODE_HT_MIXED:
3788 case RT2860_RXWI_PHYMODE_HT_GF:
3789 break;
3790 }
3791
3792 return rate;
3793 }
3794
3795 /*
3796 * rt2860_maxrssi_rxpath
3797 */
3798 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3799 const struct rt2860_rxwi *rxwi)
3800 {
3801 uint8_t rxpath;
3802
3803 rxpath = 0;
3804
3805 if (sc->nrxpath > 1)
3806 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3807 rxpath = 1;
3808
3809 if (sc->nrxpath > 2)
3810 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3811 rxpath = 2;
3812
3813 return rxpath;
3814 }
3815
3816 /*
3817 * rt2860_rssi2dbm
3818 */
3819 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3820 uint8_t rssi, uint8_t rxpath)
3821 {
3822 struct ieee80211com *ic;
3823 struct ieee80211_channel *c;
3824 int chan;
3825 int8_t rssi_off, lna_gain;
3826
3827 if (rssi == 0)
3828 return -99;
3829
3830 ic = &sc->ic;
3831 c = ic->ic_curchan;
3832 chan = ieee80211_chan2ieee(ic, c);
3833
3834 if (IEEE80211_IS_CHAN_5GHZ(c))
3835 {
3836 rssi_off = sc->rssi_off_5ghz[rxpath];
3837
3838 if (chan <= 64)
3839 lna_gain = sc->lna_gain[1];
3840 else if (chan <= 128)
3841 lna_gain = sc->lna_gain[2];
3842 else
3843 lna_gain = sc->lna_gain[3];
3844 }
3845 else
3846 {
3847 rssi_off = sc->rssi_off_2ghz[rxpath];
3848 lna_gain = sc->lna_gain[0];
3849 }
3850
3851 return (-12 - rssi_off - lna_gain - rssi);
3852 }
3853
3854 /*
3855 * rt2860_rate2mcs
3856 */
3857 static uint8_t rt2860_rate2mcs(uint8_t rate)
3858 {
3859 switch (rate)
3860 {
3861 /* CCK rates */
3862 case 2: return 0;
3863 case 4: return 1;
3864 case 11: return 2;
3865 case 22: return 3;
3866
3867 /* OFDM rates */
3868 case 12: return 0;
3869 case 18: return 1;
3870 case 24: return 2;
3871 case 36: return 3;
3872 case 48: return 4;
3873 case 72: return 5;
3874 case 96: return 6;
3875 case 108: return 7;
3876 }
3877
3878 return 0;
3879 }
3880
3881 /*
3882 * rt2860_ackrate
3883 */
3884 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3885 {
3886 switch (rate)
3887 {
3888 /* CCK rates */
3889
3890 case 2:
3891 return 2;
3892
3893 case 4:
3894 case 11:
3895 case 22:
3896 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3897
3898 /* OFDM rates */
3899
3900 case 12:
3901 case 18:
3902 return 12;
3903
3904 case 24:
3905 case 36:
3906 return 24;
3907
3908 case 48:
3909 case 72:
3910 case 96:
3911 case 108:
3912 return 48;
3913 }
3914
3915 /* default to 1Mbps */
3916 return 2;
3917 }
3918
3919 /*
3920 * rt2860_txtime
3921 */
3922 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3923 {
3924 uint16_t txtime;
3925
3926 if (RT2860_RATE_IS_OFDM(rate))
3927 {
3928 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3929 txtime = 16 + 4 + 4 * txtime + 6;
3930 }
3931 else
3932 {
3933 txtime = (16 * len + rate - 1) / rate;
3934
3935 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3936 txtime += 72 + 24;
3937 else
3938 txtime += 144 + 48;
3939 }
3940
3941 return txtime;
3942 }
3943
3944 /*
3945 * rt2860_tx_frame
3946 */
3947 static int rt2860_tx_frame(struct rt2860_softc *sc,
3948 struct mbuf *m, struct ieee80211_node *ni, int qid)
3949 {
3950 struct ieee80211com *ic;
3951 struct rt2860_softc_node *rni;
3952 struct rt2860_softc_tx_ring *ring;
3953 struct rt2860_softc_tx_data *data;
3954 struct rt2860_txdesc *desc;
3955 struct rt2860_txwi *txwi;
3956 struct ieee80211_frame *wh;
3957 struct ieee80211_tx_ampdu *tx_ampdu;
3958 struct rt2860_softc_tx_radiotap_header *tap;
3959 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3960 u_int hdrsize, hdrspace;
3961 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
3962 uint16_t qos, len, dmalen, mpdu_len, dur;
3963 int error, hasqos, ac, ampdu, mimops, ackrate, ndmasegs, ndescs, i, j;
3964
3965 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3966 ("%s: Tx frame: invalid qid=%d\n",
3967 device_get_nameunit(sc->dev), qid));
3968
3969 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
3970
3971 ic = &sc->ic;
3972 rni = (struct rt2860_softc_node *) ni;
3973
3974 ring = &sc->tx_ring[qid];
3975 desc = &ring->desc[ring->desc_cur];
3976 data = &ring->data[ring->data_cur];
3977 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3978
3979 wh = mtod(m, struct ieee80211_frame *);
3980
3981 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3982
3983 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3984 if (hasqos)
3985 {
3986 if (IEEE80211_HAS_ADDR4(wh))
3987 qos = le16toh(*(const uint16_t *)
3988 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3989 else
3990 qos = le16toh(*(const uint16_t *)
3991 (((struct ieee80211_qosframe *) wh)->i_qos));
3992 }
3993 else
3994 {
3995 qos = 0;
3996 }
3997
3998 if (ni->ni_flags & IEEE80211_NODE_HT)
3999 {
4000 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4001 rate = 0;
4002 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4003 rate = ic->ic_fixed_rate;
4004 else
4005 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
4006 }
4007 else
4008 {
4009 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4010 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
4011 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4012 rate = ic->ic_fixed_rate;
4013 else
4014 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
4015 }
4016
4017 rate &= IEEE80211_RATE_VAL;
4018
4019 /* fill Tx wireless info */
4020
4021 if (ni->ni_flags & IEEE80211_NODE_HT)
4022 mcs = rate;
4023 else
4024 mcs = rt2860_rate2mcs(rate);
4025
4026 /* management frames do not need encryption */
4027
4028 if (type == IEEE80211_FC0_TYPE_DATA)
4029 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
4030 else
4031 wcid = RT2860_WCID_RESERVED;
4032
4033 /* calculate MPDU length without padding */
4034
4035 hdrsize = ieee80211_anyhdrsize(wh);
4036 hdrspace = ieee80211_anyhdrspace(ic, wh);
4037 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4038
4039 memset(txwi, 0, sizeof(struct rt2860_txwi));
4040
4041 txwi->wcid = wcid;
4042
4043 /* MIMO power save */
4044
4045 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4046 ((ni->ni_htcap & IEEE80211_HTCAP_SMPS) != IEEE80211_HTCAP_SMPS_OFF))
4047 {
4048 if (mcs > 7)
4049 {
4050 if ((ni->ni_htcap & IEEE80211_HTCAP_SMPS) == IEEE80211_HTCAP_SMPS_DYNAMIC)
4051 {
4052 /* dynamic MIMO power save */
4053
4054 txwi->mpdu_density_flags |=
4055 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4056 }
4057 else
4058 {
4059 /* static MIMO power save */
4060
4061 mcs = 7;
4062 }
4063 }
4064
4065 mimops = 1;
4066 }
4067 else
4068 {
4069 mimops = 0;
4070 }
4071
4072 pid = mcs;
4073
4074 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4075 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4076 RT2860_TXWI_MPDU_LEN_SHIFT);
4077
4078 stbc = sc->tx_stbc && (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4079 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4080
4081 shortgi = ((ic->ic_flags_ext & IEEE80211_FEXT_SHORTGI20) &&
4082 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20) &&
4083 (ni->ni_chw == 20)) ||
4084 ((ic->ic_flags_ext & IEEE80211_FEXT_SHORTGI40) &&
4085 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40) &&
4086 (ni->ni_chw == 40));
4087
4088 txwi->phymode_ifs_stbc_shortgi |=
4089 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4090 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4091
4092 if (ni->ni_flags & IEEE80211_NODE_HT)
4093 {
4094 txwi->phymode_ifs_stbc_shortgi |=
4095 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4096 }
4097 else
4098 {
4099 if (!RT2860_RATE_IS_OFDM(rate))
4100 {
4101 txwi->phymode_ifs_stbc_shortgi |=
4102 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4103
4104 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4105 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4106 }
4107 else
4108 {
4109 txwi->phymode_ifs_stbc_shortgi |=
4110 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4111 }
4112 }
4113
4114 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4115 bw = RT2860_TXWI_BW_40;
4116 else
4117 bw = RT2860_TXWI_BW_20;
4118
4119 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4120 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4121
4122 if (type != IEEE80211_FC0_TYPE_DATA)
4123 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
4124 else
4125 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4126
4127 /* skip ACKs for multicast frames */
4128
4129 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4130 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4131 {
4132 txwi->bawin_size_xflags |=
4133 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4134
4135 if (ni->ni_flags & IEEE80211_NODE_HT)
4136 {
4137 /* preamble + plcp + signal extension + SIFS */
4138
4139 dur = 16 + 4 + 6 + 10;
4140 }
4141 else
4142 {
4143 ackrate = rt2860_ackrate(ic, rate);
4144
4145 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
4146 sc->sifs;
4147 }
4148
4149 *(uint16_t *) wh->i_dur = htole16(dur);
4150 }
4151
4152 /* check for A-MPDU */
4153
4154 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
4155 {
4156 ac = M_WME_GETAC(m);
4157 tx_ampdu = &ni->ni_tx_ampdu[ac];
4158
4159 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4160 bawin_size = tx_ampdu->txa_wnd;
4161
4162 txwi->mpdu_density_flags |=
4163 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4164 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4165
4166 txwi->bawin_size_xflags |=
4167 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4168
4169 if (IEEE80211_HAS_ADDR4(wh))
4170 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4171 else
4172 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4173
4174 ampdu = 1;
4175 }
4176 else
4177 {
4178 ampdu = 0;
4179 }
4180
4181 /* ask MAC to insert timestamp into probe responses */
4182
4183 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4184 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4185 txwi->mpdu_density_flags |=
4186 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4187
4188 if (bpf_peers_present(sc->drvbpf))
4189 {
4190 tap = &sc->txtap;
4191
4192 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4193 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4194 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4195 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4196 tap->chan_maxpow = 0;
4197
4198 if (ni->ni_flags & IEEE80211_NODE_HT)
4199 tap->rate = mcs | IEEE80211_RATE_MCS;
4200 else
4201 tap->rate = rate;
4202
4203 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4204 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4205
4206 if (shortgi)
4207 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4208
4209 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4210 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4211
4212 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4213 {
4214 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4215
4216 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4217
4218 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4219 }
4220 else
4221 {
4222 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4223 }
4224 }
4225
4226 /* copy and trim 802.11 header */
4227
4228 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4229 m_adj(m, hdrspace);
4230
4231 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4232 dma_seg, &ndmasegs, 0);
4233 if (error != 0)
4234 {
4235 /* too many fragments, linearize */
4236
4237 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4238 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
4239 device_get_nameunit(sc->dev));
4240
4241 m = m_defrag(m, M_DONTWAIT);
4242 if (m == NULL)
4243 return ENOMEM;
4244
4245 sc->tx_defrag_packets++;
4246
4247 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4248 dma_seg, &ndmasegs, 0);
4249 if (error != 0)
4250 {
4251 printf("%s: could not load mbuf DMA map: error=%d\n",
4252 device_get_nameunit(sc->dev), error);
4253 m_freem(m);
4254 return error;
4255 }
4256 }
4257
4258 if (m->m_pkthdr.len == 0)
4259 ndmasegs = 0;
4260
4261 /* determine how many Tx descs are required */
4262
4263 ndescs = 1 + ndmasegs / 2;
4264 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4265 {
4266 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4267 "%s: there are not enough Tx descs\n",
4268 device_get_nameunit(sc->dev));
4269
4270 sc->no_tx_desc_avail++;
4271
4272 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4273 m_freem(m);
4274 return EFBIG;
4275 }
4276
4277 data->m = m;
4278 data->ni = ni;
4279
4280 /* set up Tx descs */
4281
4282 /* first segment is Tx wireless info and 802.11 header */
4283
4284 len = sizeof(struct rt2860_txwi) + hdrsize;
4285
4286 /* align end on a 4-bytes boundary */
4287
4288 dmalen = (len + 3) & ~ 3;
4289
4290 memset((caddr_t) txwi + len, 0, dmalen - len);
4291
4292 qsel = RT2860_TXDESC_QSEL_EDCA;
4293
4294 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4295 desc->sdl0 = htole16(dmalen);
4296 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4297
4298 /* set up payload segments */
4299
4300 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4301 {
4302 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4303 desc->sdl1 = htole16(dma_seg[j].ds_len);
4304
4305 ring->desc_queued++;
4306 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4307
4308 j++;
4309
4310 desc = &ring->desc[ring->desc_cur];
4311
4312 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4313 desc->sdl0 = htole16(dma_seg[j].ds_len);
4314 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4315
4316 j++;
4317 }
4318
4319 /* finalize last payload segment */
4320
4321 if (i > 0)
4322 {
4323 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4324 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4325 }
4326 else
4327 {
4328 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4329 desc->sdl1 = 0;
4330 }
4331
4332 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4333 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4334 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4335 device_get_nameunit(sc->dev),
4336 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4337 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen, ndmasegs,
4338 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);
4339
4340 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4341 BUS_DMASYNC_PREWRITE);
4342 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4343 BUS_DMASYNC_PREWRITE);
4344 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4345 BUS_DMASYNC_PREWRITE);
4346
4347 ring->desc_queued++;
4348 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4349
4350 ring->data_queued++;
4351 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4352
4353 /* kick Tx */
4354
4355 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4356
4357 return 0;
4358 }
4359
4360 /*
4361 * rt2860_tx_raw
4362 */
4363 static int rt2860_tx_raw(struct rt2860_softc *sc,
4364 struct mbuf *m, struct ieee80211_node *ni,
4365 const struct ieee80211_bpf_params *params)
4366 {
4367 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4368 "%s: Tx raw\n",
4369 device_get_nameunit(sc->dev));
4370
4371 return 0;
4372 }
4373
4374 /*
4375 * rt2860_intr
4376 */
4377 static void rt2860_intr(void *arg)
4378 {
4379 struct rt2860_softc *sc;
4380 struct ifnet *ifp;
4381 uint32_t status;
4382
4383 sc = arg;
4384 ifp = sc->ifp;
4385
4386 /* acknowledge interrupts */
4387
4388 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4389 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4390
4391 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4392 "%s: interrupt: status = 0x%08x\n",
4393 device_get_nameunit(sc->dev), status);
4394
4395 if (status == 0xffffffff || /* device likely went away */
4396 status == 0) /* not for us */
4397 return;
4398
4399 sc->interrupts++;
4400
4401 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4402 return;
4403
4404 if (status & RT2860_REG_INT_TX_COHERENT)
4405 rt2860_tx_coherent_intr(sc);
4406
4407 if (status & RT2860_REG_INT_RX_COHERENT)
4408 rt2860_rx_coherent_intr(sc);
4409
4410 if (status & RT2860_REG_INT_TXRX_COHERENT)
4411 rt2860_txrx_coherent_intr(sc);
4412
4413 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4414 rt2860_fifo_sta_full_intr(sc);
4415
4416 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4417 rt2860_tx_intr(sc, 5);
4418
4419 if (status & RT2860_REG_INT_RX_DONE)
4420 rt2860_rx_intr(sc);
4421
4422 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4423 rt2860_rx_delay_intr(sc);
4424
4425 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4426 rt2860_tx_intr(sc, 4);
4427
4428 if (status & RT2860_REG_INT_TX_AC3_DONE)
4429 rt2860_tx_intr(sc, 3);
4430
4431 if (status & RT2860_REG_INT_TX_AC2_DONE)
4432 rt2860_tx_intr(sc, 2);
4433
4434 if (status & RT2860_REG_INT_TX_AC1_DONE)
4435 rt2860_tx_intr(sc, 1);
4436
4437 if (status & RT2860_REG_INT_TX_AC0_DONE)
4438 rt2860_tx_intr(sc, 0);
4439
4440 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4441 rt2860_tx_delay_intr(sc);
4442
4443 if (status & RT2860_REG_INT_PRE_TBTT)
4444 rt2860_pre_tbtt_intr(sc);
4445
4446 if (status & RT2860_REG_INT_TBTT)
4447 rt2860_tbtt_intr(sc);
4448
4449 if (status & RT2860_REG_INT_MCU_CMD)
4450 rt2860_mcu_cmd_intr(sc);
4451
4452 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4453 rt2860_auto_wakeup_intr(sc);
4454
4455 if (status & RT2860_REG_INT_GP_TIMER)
4456 rt2860_gp_timer_intr(sc);
4457 }
4458
4459 /*
4460 * rt2860_tx_coherent_intr
4461 */
4462 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4463 {
4464 uint32_t tmp;
4465 int i;
4466
4467 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4468 "%s: Tx coherent interrupt\n",
4469 device_get_nameunit(sc->dev));
4470
4471 sc->tx_coherent_interrupts++;
4472
4473 /* restart DMA engine */
4474
4475 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4476
4477 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4478 RT2860_REG_RX_DMA_ENABLE |
4479 RT2860_REG_TX_DMA_ENABLE);
4480
4481 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4482
4483 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4484
4485 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4486 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4487
4488 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4489 {
4490 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4491 sc->tx_ring[i].desc_phys_addr);
4492 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4493 RT2860_SOFTC_TX_RING_DESC_COUNT);
4494 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4495 }
4496
4497 /* init Rx ring */
4498
4499 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4500
4501 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4502 sc->rx_ring.desc_phys_addr);
4503 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4504 RT2860_SOFTC_RX_RING_DATA_COUNT);
4505 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4506 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4507
4508 rt2860_txrx_enable(sc);
4509 }
4510
4511 /*
4512 * rt2860_rx_coherent_intr
4513 */
4514 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4515 {
4516 uint32_t tmp;
4517 int i;
4518
4519 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4520 "%s: Rx coherent interrupt\n",
4521 device_get_nameunit(sc->dev));
4522
4523 sc->rx_coherent_interrupts++;
4524
4525 /* restart DMA engine */
4526
4527 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4528
4529 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4530 RT2860_REG_RX_DMA_ENABLE |
4531 RT2860_REG_TX_DMA_ENABLE);
4532
4533 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4534
4535 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4536
4537 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4538 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4539
4540 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4541 {
4542 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4543 sc->tx_ring[i].desc_phys_addr);
4544 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4545 RT2860_SOFTC_TX_RING_DESC_COUNT);
4546 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4547 }
4548
4549 /* init Rx ring */
4550
4551 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4552
4553 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4554 sc->rx_ring.desc_phys_addr);
4555 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4556 RT2860_SOFTC_RX_RING_DATA_COUNT);
4557 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4558 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4559
4560 rt2860_txrx_enable(sc);
4561 }
4562
4563 /*
4564 * rt2860_txrx_coherent_intr
4565 */
4566 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4567 {
4568 uint32_t tmp;
4569 int i;
4570
4571 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4572 "%s: Tx/Rx coherent interrupt\n",
4573 device_get_nameunit(sc->dev));
4574
4575 sc->txrx_coherent_interrupts++;
4576
4577 /* restart DMA engine */
4578
4579 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4580
4581 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4582 RT2860_REG_RX_DMA_ENABLE |
4583 RT2860_REG_TX_DMA_ENABLE);
4584
4585 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4586
4587 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4588
4589 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4590 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4591
4592 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4593 {
4594 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4595 sc->tx_ring[i].desc_phys_addr);
4596 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4597 RT2860_SOFTC_TX_RING_DESC_COUNT);
4598 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4599 }
4600
4601 /* init Rx ring */
4602
4603 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4604
4605 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4606 sc->rx_ring.desc_phys_addr);
4607 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4608 RT2860_SOFTC_RX_RING_DATA_COUNT);
4609 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4610 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4611
4612 rt2860_txrx_enable(sc);
4613 }
4614
4615 /*
4616 * rt2860_fifo_sta_full_intr
4617 */
4618 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4619 {
4620 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4621 "%s: FIFO statistic full interrupt\n",
4622 device_get_nameunit(sc->dev));
4623
4624 sc->fifo_sta_full_interrupts++;
4625
4626 RT2860_SOFTC_LOCK(sc);
4627
4628 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4629 {
4630 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4631
4632 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4633 }
4634
4635 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4636
4637 RT2860_SOFTC_UNLOCK(sc);
4638 }
4639
4640 /*
4641 * rt2860_rx_intr
4642 */
4643 static void rt2860_rx_intr(struct rt2860_softc *sc)
4644 {
4645 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4646 "%s: Rx interrupt\n",
4647 device_get_nameunit(sc->dev));
4648
4649 sc->rx_interrupts++;
4650
4651 RT2860_SOFTC_LOCK(sc);
4652
4653 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4654 {
4655 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4656
4657 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4658 }
4659
4660 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4661
4662 RT2860_SOFTC_UNLOCK(sc);
4663 }
4664
4665 /*
4666 * rt2860_rx_delay_intr
4667 */
4668 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4669 {
4670 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4671 "%s: Rx delay interrupt\n",
4672 device_get_nameunit(sc->dev));
4673
4674 sc->rx_delay_interrupts++;
4675 }
4676
4677 /*
4678 * rt2860_tx_intr
4679 */
4680 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4681 {
4682 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4683 ("%s: Tx interrupt: invalid qid=%d\n",
4684 device_get_nameunit(sc->dev), qid));
4685
4686 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4687 "%s: Tx interrupt: qid=%d\n",
4688 device_get_nameunit(sc->dev), qid);
4689
4690 sc->tx_interrupts[qid]++;
4691
4692 RT2860_SOFTC_LOCK(sc);
4693
4694 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4695 {
4696 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4697
4698 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4699 }
4700
4701 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4702
4703 RT2860_SOFTC_UNLOCK(sc);
4704 }
4705
4706 /*
4707 * rt2860_tx_delay_intr
4708 */
4709 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4710 {
4711 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4712 "%s: Tx delay interrupt\n",
4713 device_get_nameunit(sc->dev));
4714
4715 sc->tx_delay_interrupts++;
4716 }
4717
4718 /*
4719 * rt2860_pre_tbtt_intr
4720 */
4721 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4722 {
4723 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4724 "%s: Pre-TBTT interrupt\n",
4725 device_get_nameunit(sc->dev));
4726
4727 sc->pre_tbtt_interrupts++;
4728 }
4729
4730 /*
4731 * rt2860_tbtt_intr
4732 */
4733 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4734 {
4735 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4736 "%s: TBTT interrupt\n",
4737 device_get_nameunit(sc->dev));
4738
4739 sc->tbtt_interrupts++;
4740 }
4741
4742 /*
4743 * rt2860_mcu_cmd_intr
4744 */
4745 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4746 {
4747 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4748 "%s: MCU command interrupt\n",
4749 device_get_nameunit(sc->dev));
4750
4751 sc->mcu_cmd_interrupts++;
4752 }
4753
4754 /*
4755 * rt2860_auto_wakeup_intr
4756 */
4757 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4758 {
4759 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4760 "%s: auto wakeup interrupt\n",
4761 device_get_nameunit(sc->dev));
4762
4763 sc->auto_wakeup_interrupts++;
4764 }
4765
4766 /*
4767 * rt2860_gp_timer_intr
4768 */
4769 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4770 {
4771 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4772 "%s: GP timer interrupt\n",
4773 device_get_nameunit(sc->dev));
4774
4775 sc->gp_timer_interrupts++;
4776 }
4777
4778 /*
4779 * rt2860_rx_done_task
4780 */
4781 static void rt2860_rx_done_task(void *context, int pending)
4782 {
4783 struct rt2860_softc *sc;
4784 struct ifnet *ifp;
4785 int again;
4786
4787 sc = context;
4788 ifp = sc->ifp;
4789
4790 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4791 "%s: Rx done task\n",
4792 device_get_nameunit(sc->dev));
4793
4794 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4795 return;
4796
4797 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4798
4799 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4800
4801 RT2860_SOFTC_LOCK(sc);
4802
4803 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4804 {
4805 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4806 "%s: Rx done task: scheduling again\n",
4807 device_get_nameunit(sc->dev));
4808
4809 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4810 }
4811 else
4812 {
4813 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4814 }
4815
4816 RT2860_SOFTC_UNLOCK(sc);
4817 }
4818
4819 /*
4820 * rt2860_tx_done_task
4821 */
4822 static void rt2860_tx_done_task(void *context, int pending)
4823 {
4824 struct rt2860_softc *sc;
4825 struct ifnet *ifp;
4826 struct ieee80211com *ic;
4827 uint32_t intr_mask;
4828 int i;
4829
4830 sc = context;
4831 ifp = sc->ifp;
4832 ic = &sc->ic;
4833
4834 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4835 "%s: Tx done task\n",
4836 device_get_nameunit(sc->dev));
4837
4838 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4839 return;
4840
4841 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4842 {
4843 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4844 {
4845 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4846
4847 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4848 }
4849 }
4850
4851 sc->tx_timer = 0;
4852
4853 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4854
4855 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4856 RT2860_REG_INT_TX_HCCA_DONE |
4857 RT2860_REG_INT_TX_AC3_DONE |
4858 RT2860_REG_INT_TX_AC2_DONE |
4859 RT2860_REG_INT_TX_AC1_DONE |
4860 RT2860_REG_INT_TX_AC0_DONE);
4861
4862 RT2860_SOFTC_LOCK(sc);
4863
4864 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4865 (sc->intr_disable_mask & intr_mask));
4866
4867 if (sc->intr_pending_mask & intr_mask)
4868 {
4869 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4870 "%s: Tx done task: scheduling again\n",
4871 device_get_nameunit(sc->dev));
4872
4873 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4874 }
4875
4876 RT2860_SOFTC_UNLOCK(sc);
4877
4878 if (!IFQ_IS_EMPTY(&ic->ic_mgtq) || !IFQ_IS_EMPTY(&ifp->if_snd))
4879 rt2860_start(ifp);
4880 }
4881
4882 /*
4883 * rt2860_fifo_sta_full_task
4884 */
4885 static void rt2860_fifo_sta_full_task(void *context, int pending)
4886 {
4887 struct rt2860_softc *sc;
4888 struct ifnet *ifp;
4889 struct ieee80211com *ic;
4890
4891 sc = context;
4892 ifp = sc->ifp;
4893 ic = &sc->ic;
4894
4895 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4896 "%s: FIFO statistic full task\n",
4897 device_get_nameunit(sc->dev));
4898
4899 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4900 return;
4901
4902 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4903
4904 rt2860_drain_fifo_stats(sc);
4905
4906 RT2860_SOFTC_LOCK(sc);
4907
4908 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4909 {
4910 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4911 "%s: FIFO statistic full task: scheduling again\n",
4912 device_get_nameunit(sc->dev));
4913
4914 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4915 }
4916 else
4917 {
4918 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4919 }
4920
4921 RT2860_SOFTC_UNLOCK(sc);
4922
4923 if (!IFQ_IS_EMPTY(&ic->ic_mgtq) || !IFQ_IS_EMPTY(&ifp->if_snd))
4924 rt2860_start(ifp);
4925 }
4926
4927 /*
4928 * rt2860_periodic_task
4929 */
4930 static void rt2860_periodic_task(void *context, int pending)
4931 {
4932 struct rt2860_softc *sc;
4933 struct ifnet *ifp;
4934 struct ieee80211com *ic;
4935
4936 sc = context;
4937 ifp = sc->ifp;
4938 ic = &sc->ic;
4939
4940 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4941 "%s: periodic task: round=%lu\n",
4942 device_get_nameunit(sc->dev), sc->periodic_round);
4943
4944 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4945 return;
4946
4947 RT2860_SOFTC_LOCK(sc);
4948
4949 sc->periodic_round++;
4950
4951 rt2860_update_stats(sc);
4952
4953 if ((sc->periodic_round % 10) == 0)
4954 {
4955 rt2860_bbp_tuning(sc);
4956
4957 rt2860_update_raw_counters(sc);
4958
4959 rt2860_watchdog(sc);
4960
4961 if (ic->ic_opmode != IEEE80211_M_MONITOR && ic->ic_state == IEEE80211_S_RUN)
4962 {
4963 if (ic->ic_opmode == IEEE80211_M_STA)
4964 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4965 else
4966 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4967 }
4968 }
4969
4970 RT2860_SOFTC_UNLOCK(sc);
4971
4972 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4973 }
4974
4975 /*
4976 * rt2860_rx_eof
4977 */
4978 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4979 {
4980 struct ieee80211com *ic;
4981 struct ifnet *ifp;
4982 struct ieee80211_frame *wh;
4983 struct ieee80211_node *ni;
4984 struct rt2860_softc_node *rni;
4985 struct rt2860_softc_rx_radiotap_header *tap;
4986 struct rt2860_softc_rx_ring *ring;
4987 struct rt2860_rxdesc *desc;
4988 struct rt2860_softc_rx_data *data;
4989 struct rt2860_rxwi *rxwi;
4990 struct mbuf *m, *mnew;
4991 bus_dma_segment_t segs[1];
4992 bus_dmamap_t dma_map;
4993 uint32_t index, desc_flags;
4994 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
4995 int8_t rssi_dbm;
4996 int error, nsegs, len, ampdu, amsdu, nframes, i;
4997
4998 ic = &sc->ic;
4999 ifp = sc->ifp;
5000 ring = &sc->rx_ring;
5001
5002 nframes = 0;
5003
5004 while (limit != 0)
5005 {
5006 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5007 if (ring->cur == index)
5008 break;
5009
5010 desc = &ring->desc[ring->cur];
5011 desc_flags = le32toh(desc->flags);
5012 data = &ring->data[ring->cur];
5013
5014 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5015 BUS_DMASYNC_POSTREAD);
5016
5017 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5018 break;
5019
5020 nframes++;
5021
5022 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5023 if (mnew == NULL)
5024 {
5025 sc->rx_mbuf_alloc_errors++;
5026 ifp->if_ierrors++;
5027 goto skip;
5028 }
5029
5030 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5031
5032 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5033 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5034 if (error != 0)
5035 {
5036 m_freem(mnew);
5037
5038 sc->rx_mbuf_dmamap_errors++;
5039 ifp->if_ierrors++;
5040
5041 goto skip;
5042 }
5043
5044 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5045 device_get_name(sc->dev)));
5046
5047 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5048 BUS_DMASYNC_POSTREAD);
5049 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5050
5051 dma_map = data->dma_map;
5052 data->dma_map = ring->spare_dma_map;
5053 ring->spare_dma_map = dma_map;
5054
5055 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5056 BUS_DMASYNC_PREREAD);
5057
5058 m = data->m;
5059
5060 data->m = mnew;
5061 desc->sdp0 = htole32(segs[0].ds_addr);
5062
5063 /* get Rx wireless info */
5064
5065 rxwi = mtod(m, struct rt2860_rxwi *);
5066 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5067 RT2860_RXWI_SIZE_MASK;
5068
5069 /* check for L2 padding between IEEE 802.11 frame header and body */
5070
5071 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5072 {
5073 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5074 "%s: L2 padding: len=%d\n",
5075 device_get_nameunit(sc->dev), len);
5076
5077 len += 2;
5078 }
5079
5080 m->m_pkthdr.rcvif = ifp;
5081 m->m_data = (caddr_t) (rxwi + 1);
5082 m->m_pkthdr.len = m->m_len = len;
5083
5084 /* check for crc errors */
5085
5086 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5087 {
5088 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5089 "%s: rxdesc: crc error\n",
5090 device_get_nameunit(sc->dev));
5091
5092 ifp->if_ierrors++;
5093
5094 if (!(ifp->if_flags & IFF_PROMISC))
5095 {
5096 m_freem(m);
5097 goto skip;
5098 }
5099 }
5100
5101 wh = (struct ieee80211_frame *) (rxwi + 1);
5102
5103 /* check for cipher errors */
5104
5105 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5106 {
5107 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5108 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5109 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5110 {
5111 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5112 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5113
5114 m->m_flags |= M_WEP;
5115
5116 sc->rx_cipher_no_errors++;
5117 }
5118 else
5119 {
5120 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5121 "%s: rxdesc: cipher error=0x%02x\n",
5122 device_get_nameunit(sc->dev), cipher_err);
5123
5124 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5125 sc->rx_cipher_icv_errors++;
5126 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5127 sc->rx_cipher_mic_errors++;
5128 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5129 sc->rx_cipher_invalid_key_errors++;
5130
5131 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5132 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5133 {
5134 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5135 RT2860_RXWI_KEYIDX_MASK;
5136
5137 ieee80211_notify_michael_failure(ic, wh, keyidx);
5138 }
5139
5140 ifp->if_ierrors++;
5141
5142 if (!(ifp->if_flags & IFF_PROMISC))
5143 {
5144 m_free(m);
5145 goto skip;
5146 }
5147 }
5148 }
5149 else
5150 {
5151 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5152 {
5153 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5154 "%s: rxdesc: not decrypted but protected flag set\n",
5155 device_get_nameunit(sc->dev));
5156
5157 ifp->if_ierrors++;
5158
5159 if (!(ifp->if_flags & IFF_PROMISC))
5160 {
5161 m_free(m);
5162 goto skip;
5163 }
5164 }
5165 }
5166
5167 /* check for A-MPDU */
5168
5169 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5170 {
5171 m->m_flags |= M_AMPDU;
5172
5173 sc->rx_ampdu++;
5174
5175 ampdu = 1;
5176 }
5177 else
5178 {
5179 ampdu = 0;
5180 }
5181
5182 /* check for A-MSDU */
5183
5184 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5185 {
5186 sc->rx_amsdu++;
5187
5188 amsdu = 1;
5189 }
5190 else
5191 {
5192 amsdu = 0;
5193 }
5194
5195 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5196 rssi = rxwi->rssi[ant];
5197 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5198 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5199 RT2860_RXWI_PHYMODE_MASK);
5200 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5201 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5202 RT2860_RXWI_SHORTGI_MASK);
5203 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5204
5205 if (bpf_peers_present(sc->drvbpf))
5206 {
5207 tap = &sc->rxtap;
5208
5209 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
5210 tap->dbm_antsignal = rssi_dbm;
5211 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5212 tap->antenna = ant;
5213 tap->antsignal = rssi;
5214 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5215 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5216 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5217 tap->chan_maxpow = 0;
5218
5219 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5220 tap->rate = mcs | IEEE80211_RATE_MCS;
5221 else
5222 tap->rate = rt2860_rxrate(rxwi);
5223
5224 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5225 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5226
5227 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5228 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5229
5230 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5231 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5232
5233 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5234 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5235 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5236
5237 if (shortgi)
5238 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5239
5240 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
5241 }
5242
5243 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5244 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5245 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
5246 device_get_nameunit(sc->dev),
5247 len, phymode, bw, shortgi, mcs,
5248 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5249 rxwi->snr[0], rxwi->snr[1],
5250 rxwi->wcid, ampdu, amsdu);
5251
5252 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5253
5254 if (ni != NULL)
5255 {
5256 rni = (struct rt2860_softc_node *) ni;
5257
5258 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5259 {
5260 rni->last_rssi[i] = rxwi->rssi[i];
5261 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5262 }
5263 }
5264
5265 ieee80211_input(ic, m, ni, rssi_dbm, RT2860_NOISE_FLOOR, 0);
5266
5267 ieee80211_free_node(ni);
5268
5269 skip:
5270
5271 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5272
5273 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5274 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5275
5276 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5277
5278 limit--;
5279 }
5280
5281 if (ring->cur == 0)
5282 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5283 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5284 else
5285 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5286 ring->cur - 1);
5287
5288 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5289 "%s: Rx eof: nframes=%d\n",
5290 device_get_nameunit(sc->dev), nframes);
5291
5292 sc->rx_packets += nframes;
5293
5294 return (limit == 0);
5295 }
5296
5297 /*
5298 * rt2860_tx_eof
5299 */
5300 static void rt2860_tx_eof(struct rt2860_softc *sc,
5301 struct rt2860_softc_tx_ring *ring)
5302 {
5303 struct ifnet *ifp;
5304 struct rt2860_txdesc *desc;
5305 struct rt2860_softc_tx_data *data;
5306 uint32_t index;
5307 int ndescs, nframes;
5308
5309 ifp = sc->ifp;
5310
5311 ndescs = 0;
5312 nframes = 0;
5313
5314 for (;;)
5315 {
5316 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5317 if (ring->desc_next == index)
5318 break;
5319
5320 ndescs++;
5321
5322 rt2860_drain_fifo_stats(sc);
5323
5324 desc = &ring->desc[ring->desc_next];
5325
5326 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5327 BUS_DMASYNC_POSTREAD);
5328
5329 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5330 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5331 {
5332 nframes++;
5333
5334 data = &ring->data[ring->data_next];
5335
5336 if (data->m->m_flags & M_TXCB)
5337 ieee80211_process_callback(data->ni, data->m, 0);
5338
5339 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5340 BUS_DMASYNC_POSTWRITE);
5341 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5342
5343 m_freem(data->m);
5344
5345 ieee80211_free_node(data->ni);
5346
5347 data->m = NULL;
5348 data->ni = NULL;
5349
5350 ifp->if_opackets++;
5351
5352 RT2860_SOFTC_TX_RING_LOCK(ring);
5353
5354 ring->data_queued--;
5355 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5356
5357 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5358 }
5359
5360 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5361
5362 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5363 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5364
5365 RT2860_SOFTC_TX_RING_LOCK(ring);
5366
5367 ring->desc_queued--;
5368 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5369
5370 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5371 }
5372
5373 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5374 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5375 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5376 }
5377
5378 /*
5379 * rt2860_update_stats
5380 */
5381 static void rt2860_update_stats(struct rt2860_softc *sc)
5382 {
5383 struct ifnet *ifp;
5384 uint32_t stacnt[3];
5385 int beacons, noretryok, retryok, failed, underflows, zerolen;
5386
5387 ifp = sc->ifp;
5388
5389 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5390 "%s: update statistic\n",
5391 device_get_nameunit(sc->dev));
5392
5393 rt2860_drain_fifo_stats(sc);
5394
5395 /* read and clear Tx statistic registers */
5396
5397 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5398 stacnt, sizeof(stacnt));
5399
5400 stacnt[0] = le32toh(stacnt[0]);
5401 stacnt[1] = le32toh(stacnt[1]);
5402 stacnt[2] = le32toh(stacnt[2]);
5403
5404 beacons = stacnt[0] >> 16;
5405 noretryok = stacnt[1] & 0xffff;
5406 retryok = stacnt[1] >> 16;
5407 failed = stacnt[0] & 0xffff;
5408 underflows = stacnt[2] >> 16;
5409 zerolen = stacnt[2] & 0xffff;
5410
5411 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5412 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5413 device_get_nameunit(sc->dev),
5414 beacons, noretryok, retryok, failed, underflows, zerolen);
5415
5416 ifp->if_oerrors += failed;
5417
5418 sc->tx_beacons += beacons;
5419 sc->tx_noretryok += noretryok;
5420 sc->tx_retryok += retryok;
5421 sc->tx_failed += failed;
5422 sc->tx_underflows += underflows;
5423 sc->tx_zerolen += zerolen;
5424 }
5425
5426 /*
5427 * rt2860_bbp_tuning
5428 */
5429 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5430 {
5431 struct ieee80211com *ic;
5432 struct ieee80211_node *ni;
5433 int chan, group;
5434 int8_t rssi, old, new;
5435
5436 /* RT2860C does not support BBP tuning */
5437
5438 if (sc->mac_rev == 0x28600100)
5439 return;
5440
5441 ic = &sc->ic;
5442
5443 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
5444 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
5445 return;
5446
5447 ni = ic->ic_bss;
5448
5449 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5450
5451 if (chan <= 14)
5452 group = 0;
5453 else if (chan <= 64)
5454 group = 1;
5455 else if (chan <= 128)
5456 group = 2;
5457 else
5458 group = 3;
5459
5460 rssi = ieee80211_getrssi(ic);
5461
5462 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5463 {
5464 new = 0x2e + sc->lna_gain[group];
5465 }
5466 else
5467 {
5468 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5469 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5470 else
5471 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5472 }
5473
5474 /* Tune if absolute average RSSI is greater than -80 */
5475
5476 if (rssi > -80)
5477 new += 0x10;
5478
5479 old = rt2860_io_bbp_read(sc, 66);
5480
5481 if (old != new)
5482 rt2860_io_bbp_write(sc, 66, new);
5483 }
5484
5485 /*
5486 * rt2860_watchdog
5487 */
5488 static void rt2860_watchdog(struct rt2860_softc *sc)
5489 {
5490 uint32_t tmp;
5491 int ntries;
5492
5493 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5494
5495 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5496 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5497 device_get_nameunit(sc->dev), tmp);
5498
5499 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5500 {
5501 sc->tx_queue_not_empty[0]++;
5502
5503 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5504
5505 for (ntries = 0; ntries < 10; ntries++)
5506 {
5507 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5508 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5509 break;
5510
5511 DELAY(1);
5512 }
5513
5514 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5515 }
5516
5517 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5518 {
5519 sc->tx_queue_not_empty[1]++;
5520
5521 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5522
5523 for (ntries = 0; ntries < 10; ntries++)
5524 {
5525 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5526 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5527 break;
5528
5529 DELAY(1);
5530 }
5531
5532 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5533 }
5534 }
5535
5536 /*
5537 * rt2860_drain_fifo_stats
5538 */
5539 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5540 {
5541 struct ifnet *ifp;
5542 uint32_t stats;
5543 uint8_t wcid, mcs, pid;
5544 int ok, agg, retrycnt;
5545
5546 ifp = sc->ic.ic_ifp;
5547
5548 /* drain Tx status FIFO (maxsize = 16) */
5549
5550 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5551 RT2860_REG_TX_STA_FIFO_VALID)
5552 {
5553 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5554 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5555
5556 /* if no ACK was requested, no feedback is available */
5557
5558 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
5559 continue;
5560
5561 /* update AMRR statistic */
5562
5563 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5564 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5565 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5566 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5567 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5568 RT2860_REG_TX_STA_FIFO_PID_MASK;
5569 retrycnt = pid - mcs;
5570
5571 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5572 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5573 device_get_nameunit(sc->dev),
5574 wcid, ok, agg, mcs, pid, retrycnt);
5575
5576 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5577
5578 if (!ok)
5579 ifp->if_oerrors++;
5580 }
5581 }
5582
5583 /*
5584 * rt2860_update_raw_counters
5585 */
5586 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5587 {
5588 uint32_t tmp;
5589
5590 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5591
5592 sc->tx_nonagg += tmp & 0xffff;
5593 sc->tx_agg += tmp >> 16;
5594
5595 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5596
5597 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5598
5599 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5600
5601 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5602
5603 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5604
5605 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5606
5607 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5608
5609 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5610
5611 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5612
5613 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5614
5615 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5616
5617 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5618
5619 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5620
5621 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5622
5623 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5624
5625 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5626
5627 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5628
5629 sc->rx_crc_errors += tmp & 0xffff;
5630 sc->rx_phy_errors += tmp >> 16;
5631
5632 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5633
5634 sc->rx_false_ccas += tmp & 0xffff;
5635 sc->rx_plcp_errors += tmp >> 16;
5636
5637 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5638
5639 sc->rx_dup_packets += tmp & 0xffff;
5640 sc->rx_fifo_overflows += tmp >> 16;
5641
5642 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5643
5644 sc->tx_mpdu_zero_density += tmp & 0xffff;
5645 sc->rx_mpdu_zero_density += tmp >> 16;
5646 }
5647
5648 /*
5649 * rt2860_intr_enable
5650 */
5651 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5652 {
5653 uint32_t tmp;
5654
5655 sc->intr_disable_mask &= ~intr_mask;
5656
5657 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5658
5659 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5660 }
5661
5662 /*
5663 * rt2860_intr_disable
5664 */
5665 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5666 {
5667 uint32_t tmp;
5668
5669 sc->intr_disable_mask |= intr_mask;
5670
5671 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5672
5673 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5674 }
5675
5676 /*
5677 * rt2860_txrx_enable
5678 */
5679 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5680 {
5681 struct ieee80211com *ic;
5682 struct ifnet *ifp;
5683 uint32_t tmp;
5684 int ntries;
5685
5686 ic = &sc->ic;
5687 ifp = ic->ic_ifp;
5688
5689 /* enable Tx/Rx DMA engine */
5690
5691 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5692
5693 for (ntries = 0; ntries < 200; ntries++)
5694 {
5695 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5696 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5697 break;
5698
5699 DELAY(1000);
5700 }
5701
5702 if (ntries == 200)
5703 {
5704 printf("%s: timeout waiting for DMA engine\n",
5705 device_get_nameunit(sc->dev));
5706 return -1;
5707 }
5708
5709 DELAY(50);
5710
5711 tmp |= RT2860_REG_TX_WB_DDONE |
5712 RT2860_REG_RX_DMA_ENABLE |
5713 RT2860_REG_TX_DMA_ENABLE |
5714 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5715
5716 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5717
5718 /* set Rx filter */
5719
5720 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5721 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5722
5723 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5724 {
5725 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5726 RT2860_REG_RX_FILTER_DROP_CTS |
5727 RT2860_REG_RX_FILTER_DROP_BA |
5728 RT2860_REG_RX_FILTER_DROP_ACK |
5729 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5730 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5731 RT2860_REG_RX_FILTER_DROP_CFACK |
5732 RT2860_REG_RX_FILTER_DROP_CFEND;
5733
5734 if (ic->ic_opmode == IEEE80211_M_STA)
5735 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5736 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5737
5738 if (!(ifp->if_flags & IFF_PROMISC))
5739 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5740 }
5741
5742 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5743
5744 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5745 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5746
5747 return 0;
5748 }
5749
5750 /*
5751 * rt2860_alloc_rx_ring
5752 */
5753 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5754 struct rt2860_softc_rx_ring *ring)
5755 {
5756 struct rt2860_rxdesc *desc;
5757 struct rt2860_softc_rx_data *data;
5758 bus_dma_segment_t segs[1];
5759 int i, nsegs, error;
5760
5761 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5762 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5763 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5764 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5765 0, NULL, NULL, &ring->desc_dma_tag);
5766 if (error != 0)
5767 {
5768 printf("%s: could not create Rx desc DMA tag\n",
5769 device_get_nameunit(sc->dev));
5770 goto fail;
5771 }
5772
5773 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5774 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5775 if (error != 0)
5776 {
5777 printf("%s: could not allocate Rx desc DMA memory\n",
5778 device_get_nameunit(sc->dev));
5779 goto fail;
5780 }
5781
5782 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5783 ring->desc,
5784 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5785 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5786 if (error != 0)
5787 {
5788 printf("%s: could not load Rx desc DMA map\n",
5789 device_get_nameunit(sc->dev));
5790 goto fail;
5791 }
5792
5793 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5794 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5795 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5796 &ring->data_dma_tag);
5797 if (error != 0)
5798 {
5799 printf("%s: could not create Rx data DMA tag\n",
5800 device_get_nameunit(sc->dev));
5801 goto fail;
5802 }
5803
5804 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5805 {
5806 desc = &ring->desc[i];
5807 data = &ring->data[i];
5808
5809 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5810 if (error != 0)
5811 {
5812 printf("%s: could not create Rx data DMA map\n",
5813 device_get_nameunit(sc->dev));
5814 goto fail;
5815 }
5816
5817 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5818 if (data->m == NULL)
5819 {
5820 printf("%s: could not allocate Rx mbuf\n",
5821 device_get_nameunit(sc->dev));
5822 error = ENOMEM;
5823 goto fail;
5824 }
5825
5826 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5827
5828 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5829 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5830 if (error != 0)
5831 {
5832 printf("%s: could not load Rx mbuf DMA map\n",
5833 device_get_nameunit(sc->dev));
5834 goto fail;
5835 }
5836
5837 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5838 device_get_name(sc->dev)));
5839
5840 desc->sdp0 = htole32(segs[0].ds_addr);
5841 desc->sdl0 = htole16(MJUMPAGESIZE);
5842 }
5843
5844 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5845 if (error != 0)
5846 {
5847 printf("%s: could not create Rx spare DMA map\n",
5848 device_get_nameunit(sc->dev));
5849 goto fail;
5850 }
5851
5852 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5853 BUS_DMASYNC_PREWRITE);
5854
5855 return 0;
5856
5857 fail:
5858
5859 rt2860_free_rx_ring(sc, ring);
5860
5861 return error;
5862 }
5863
5864 /*
5865 * rt2860_reset_rx_ring
5866 */
5867 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5868 struct rt2860_softc_rx_ring *ring)
5869 {
5870 struct rt2860_rxdesc *desc;
5871 int i;
5872
5873 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5874 {
5875 desc = &ring->desc[i];
5876
5877 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5878 }
5879
5880 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5881 BUS_DMASYNC_PREWRITE);
5882
5883 ring->cur = 0;
5884 }
5885
5886 /*
5887 * rt2860_free_rx_ring
5888 */
5889 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5890 struct rt2860_softc_rx_ring *ring)
5891 {
5892 struct rt2860_softc_rx_data *data;
5893 int i;
5894
5895 if (ring->desc != NULL)
5896 {
5897 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5898 BUS_DMASYNC_POSTWRITE);
5899 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5900 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5901 ring->desc_dma_map);
5902 }
5903
5904 if (ring->desc_dma_tag != NULL)
5905 bus_dma_tag_destroy(ring->desc_dma_tag);
5906
5907 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5908 {
5909 data = &ring->data[i];
5910
5911 if (data->m != NULL)
5912 {
5913 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5914 BUS_DMASYNC_POSTREAD);
5915 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5916 m_freem(data->m);
5917 }
5918
5919 if (data->dma_map != NULL)
5920 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5921 }
5922
5923 if (ring->spare_dma_map != NULL)
5924 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5925
5926 if (ring->data_dma_tag != NULL)
5927 bus_dma_tag_destroy(ring->data_dma_tag);
5928 }
5929
5930 /*
5931 * rt2860_alloc_tx_ring
5932 */
5933 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5934 struct rt2860_softc_tx_ring *ring, int qid)
5935 {
5936 struct rt2860_softc_tx_data *data;
5937 int error, i;
5938
5939 mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF);
5940
5941 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5942 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5943 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5944 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5945 0, NULL, NULL, &ring->desc_dma_tag);
5946 if (error != 0)
5947 {
5948 printf("%s: could not create Tx desc DMA tag\n",
5949 device_get_nameunit(sc->dev));
5950 goto fail;
5951 }
5952
5953 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5954 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5955 if (error != 0)
5956 {
5957 printf("%s: could not allocate Tx desc DMA memory\n",
5958 device_get_nameunit(sc->dev));
5959 goto fail;
5960 }
5961
5962 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5963 ring->desc,
5964 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5965 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5966 if (error != 0)
5967 {
5968 printf("%s: could not load Tx desc DMA map\n",
5969 device_get_nameunit(sc->dev));
5970 goto fail;
5971 }
5972
5973 ring->desc_queued = 0;
5974 ring->desc_cur = 0;
5975 ring->desc_next = 0;
5976
5977 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5978 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5979 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5980 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5981 0, NULL, NULL, &ring->seg0_dma_tag);
5982 if (error != 0)
5983 {
5984 printf("%s: could not create Tx seg0 DMA tag\n",
5985 device_get_nameunit(sc->dev));
5986 goto fail;
5987 }
5988
5989 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5990 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5991 if (error != 0)
5992 {
5993 printf("%s: could not allocate Tx seg0 DMA memory\n",
5994 device_get_nameunit(sc->dev));
5995 goto fail;
5996 }
5997
5998 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5999 ring->seg0,
6000 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6001 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6002 if (error != 0)
6003 {
6004 printf("%s: could not load Tx seg0 DMA map\n",
6005 device_get_nameunit(sc->dev));
6006 goto fail;
6007 }
6008
6009 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6010 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6011 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6012 &ring->data_dma_tag);
6013 if (error != 0)
6014 {
6015 printf("%s: could not create Tx data DMA tag\n",
6016 device_get_nameunit(sc->dev));
6017 goto fail;
6018 }
6019
6020 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6021 {
6022 data = &ring->data[i];
6023
6024 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6025 if (error != 0)
6026 {
6027 printf("%s: could not create Tx data DMA map\n",
6028 device_get_nameunit(sc->dev));
6029 goto fail;
6030 }
6031 }
6032
6033 ring->data_queued = 0;
6034 ring->data_cur = 0;
6035 ring->data_next = 0;
6036
6037 ring->qid = qid;
6038
6039 return 0;
6040
6041 fail:
6042
6043 rt2860_free_tx_ring(sc, ring);
6044
6045 return error;
6046 }
6047
6048 /*
6049 * rt2860_reset_tx_ring
6050 */
6051 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6052 struct rt2860_softc_tx_ring *ring)
6053 {
6054 struct rt2860_softc_tx_data *data;
6055 struct rt2860_txdesc *desc;
6056 int i;
6057
6058 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6059 {
6060 desc = &ring->desc[i];
6061
6062 desc->sdl0 = 0;
6063 desc->sdl1 = 0;
6064 }
6065
6066 ring->desc_queued = 0;
6067 ring->desc_cur = 0;
6068 ring->desc_next = 0;
6069
6070 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6071 BUS_DMASYNC_PREWRITE);
6072
6073 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6074 BUS_DMASYNC_PREWRITE);
6075
6076 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6077 {
6078 data = &ring->data[i];
6079
6080 if (data->m != NULL)
6081 {
6082 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6083 BUS_DMASYNC_POSTWRITE);
6084 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6085 m_freem(data->m);
6086 data->m = NULL;
6087 }
6088
6089 if (data->ni != NULL)
6090 {
6091 ieee80211_free_node(data->ni);
6092 data->ni = NULL;
6093 }
6094 }
6095
6096 ring->data_queued = 0;
6097 ring->data_cur = 0;
6098 ring->data_next = 0;
6099 }
6100
6101 /*
6102 * rt2860_free_tx_ring
6103 */
6104 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6105 struct rt2860_softc_tx_ring *ring)
6106 {
6107 struct rt2860_softc_tx_data *data;
6108 int i;
6109
6110 if (ring->desc != NULL)
6111 {
6112 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6113 BUS_DMASYNC_POSTWRITE);
6114 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6115 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6116 ring->desc_dma_map);
6117 }
6118
6119 if (ring->desc_dma_tag != NULL)
6120 bus_dma_tag_destroy(ring->desc_dma_tag);
6121
6122 if (ring->seg0 != NULL)
6123 {
6124 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6125 BUS_DMASYNC_POSTWRITE);
6126 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6127 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6128 ring->seg0_dma_map);
6129 }
6130
6131 if (ring->seg0_dma_tag != NULL)
6132 bus_dma_tag_destroy(ring->seg0_dma_tag);
6133
6134 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6135 {
6136 data = &ring->data[i];
6137
6138 if (data->m != NULL)
6139 {
6140 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6141 BUS_DMASYNC_POSTWRITE);
6142 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6143 m_freem(data->m);
6144 }
6145
6146 if (data->ni != NULL)
6147 ieee80211_free_node(data->ni);
6148
6149 if (data->dma_map != NULL)
6150 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6151 }
6152
6153 if (ring->data_dma_tag != NULL)
6154 bus_dma_tag_destroy(ring->data_dma_tag);
6155
6156 mtx_destroy(&ring->lock);
6157 }
6158
6159 /*
6160 * rt2860_dma_map_addr
6161 */
6162 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6163 int nseg, int error)
6164 {
6165 if (error != 0)
6166 return;
6167
6168 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6169
6170 *(bus_addr_t *) arg = segs[0].ds_addr;
6171 }
6172
6173 /*
6174 * rt2860_sysctl_attach
6175 */
6176 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6177 {
6178 struct sysctl_ctx_list *ctx;
6179 struct sysctl_oid *tree;
6180 struct sysctl_oid *stats;
6181
6182 ctx = device_get_sysctl_ctx(sc->dev);
6183 tree = device_get_sysctl_tree(sc->dev);
6184
6185 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6186 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6187 "Tx STBC");
6188
6189 /* statistic counters */
6190
6191 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6192 "stats", CTLFLAG_RD, 0, "statistic");
6193
6194 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6195 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6196 "all interrupts");
6197
6198 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6199 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6200 "Tx coherent interrupts");
6201
6202 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6203 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6204 "Rx coherent interrupts");
6205
6206 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6207 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6208 "Tx/Rx coherent interrupts");
6209
6210 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6211 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6212 "FIFO statistic full interrupts");
6213
6214 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6215 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6216 "Rx interrupts");
6217
6218 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6219 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6220 "Rx delay interrupts");
6221
6222 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6223 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6224 "Tx MGMT interrupts");
6225
6226 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6227 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6228 "Tx HCCA interrupts");
6229
6230 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6231 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6232 "Tx AC3 interrupts");
6233
6234 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6235 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6236 "Tx AC2 interrupts");
6237
6238 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6239 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6240 "Tx AC1 interrupts");
6241
6242 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6243 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6244 "Tx AC0 interrupts");
6245
6246 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6247 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6248 "Tx delay interrupts");
6249
6250 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6251 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6252 "Pre-TBTT interrupts");
6253
6254 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6255 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6256 "TBTT interrupts");
6257
6258 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6259 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6260 "MCU command interrupts");
6261
6262 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6263 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6264 "auto wakeup interrupts");
6265
6266 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6267 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6268 "GP timer interrupts");
6269
6270 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6271 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6272 "Tx MGMT descriptors queued");
6273
6274 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6275 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6276 "Tx MGMT data queued");
6277
6278 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6279 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6280 "Tx HCCA descriptors queued");
6281
6282 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6283 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6284 "Tx HCCA data queued");
6285
6286 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6287 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6288 "Tx AC3 descriptors queued");
6289
6290 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6291 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6292 "Tx AC3 data queued");
6293
6294 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6295 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6296 "Tx AC2 descriptors queued");
6297
6298 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6299 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6300 "Tx AC2 data queued");
6301
6302 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6303 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6304 "Tx AC1 descriptors queued");
6305
6306 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6307 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6308 "Tx AC1 data queued");
6309
6310 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6311 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6312 "Tx AC0 descriptors queued");
6313
6314 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6315 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6316 "Tx AC0 data queued");
6317
6318 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6319 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6320 "Tx MGMT data queue full");
6321
6322 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6323 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6324 "Tx HCCA data queue full");
6325
6326 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6327 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6328 "Tx AC3 data queue full");
6329
6330 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6331 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6332 "Tx AC2 data queue full");
6333
6334 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6335 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6336 "Tx AC1 data queue full");
6337
6338 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6339 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6340 "Tx AC0 data queue full");
6341
6342 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6343 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6344 "Tx watchdog timeouts");
6345
6346 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6347 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6348 "Tx defragmented packets");
6349
6350 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6351 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6352 "no Tx descriptors available");
6353
6354 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6355 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6356 "Rx mbuf allocation errors");
6357
6358 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6359 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6360 "Rx mbuf DMA mapping errors");
6361
6362 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6363 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6364 "Tx queue 0 not empty");
6365
6366 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6367 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6368 "Tx queue 1 not empty");
6369
6370 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6371 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6372 "Tx beacons");
6373
6374 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6375 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6376 "Tx successfull without retries");
6377
6378 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6379 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6380 "Tx successfull with retries");
6381
6382 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6383 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6384 "Tx failed");
6385
6386 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6387 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6388 "Tx underflows");
6389
6390 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6391 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6392 "Tx zero length");
6393
6394 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6395 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6396 "Tx non-aggregated");
6397
6398 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6399 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6400 "Tx aggregated");
6401
6402 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6403 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6404 "Tx A-MPDU");
6405
6406 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6407 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6408 "Tx MPDU with zero density");
6409
6410 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6411 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6412 "Tx A-MPDU sessions");
6413
6414 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6415 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6416 "Rx packets");
6417
6418 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6419 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6420 "Rx A-MPDU");
6421
6422 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6423 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6424 "Rx MPDU with zero density");
6425
6426 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6427 "rx_ampdu_sessions", CTLFLAG_RD, &sc->rx_ampdu_sessions, 0,
6428 "Rx A-MPDU sessions");
6429
6430 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6431 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6432 "Rx A-MSDU");
6433
6434 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6435 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6436 "Rx CRC errors");
6437
6438 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6439 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6440 "Rx PHY errors");
6441
6442 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6443 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6444 "Rx false CCAs");
6445
6446 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6447 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6448 "Rx PLCP errors");
6449
6450 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6451 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6452 "Rx duplicate packets");
6453
6454 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6455 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6456 "Rx FIFO overflows");
6457
6458 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6459 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6460 "Rx cipher no errors");
6461
6462 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6463 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6464 "Rx cipher ICV errors");
6465
6466 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6467 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6468 "Rx cipher MIC errors");
6469
6470 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6471 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6472 "Rx cipher invalid key errors");
6473 }
6474
6475 static device_method_t rt2860_dev_methods[] =
6476 {
6477 DEVMETHOD(device_probe, rt2860_probe),
6478 DEVMETHOD(device_attach, rt2860_attach),
6479 DEVMETHOD(device_detach, rt2860_detach),
6480 DEVMETHOD(device_shutdown, rt2860_shutdown),
6481 DEVMETHOD(device_suspend, rt2860_suspend),
6482 DEVMETHOD(device_resume, rt2860_resume),
6483 { 0, 0 }
6484 };
6485
6486 static driver_t rt2860_driver =
6487 {
6488 "rt2860",
6489 rt2860_dev_methods,
6490 sizeof(struct rt2860_softc)
6491 };
6492
6493 static devclass_t rt2860_dev_class;
6494
6495 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6496
6497 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6498 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860