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Callback iv_update_beacon could be called before a beacon was allocated
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blob4d902df4b37a153689c7fda73e55402e695e992a
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 IEEE80211_HAS_ADDR4(wh) \
49 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
50
51 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
52 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
53
54 #define RT2860_TX_WATCHDOG_TIMEOUT 5
55
56 #define RT2860_WCID_RESERVED 0xff
57 #define RT2860_WCID_MCAST 0xf7
58
59 /*
60 * Data structures and types
61 */
62
63 struct rt2860_pci_ident
64 {
65 uint16_t vendor;
66 uint16_t device;
67 const char *name;
68 };
69
70 /*
71 * Static function prototypes
72 */
73
74 static int rt2860_probe(device_t dev);
75
76 static int rt2860_attach(device_t dev);
77
78 static int rt2860_detach(device_t dev);
79
80 static int rt2860_shutdown(device_t dev);
81
82 static int rt2860_suspend(device_t dev);
83
84 static int rt2860_resume(device_t dev);
85
86 static void rt2860_init_channels(struct rt2860_softc *sc);
87
88 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
89
90 static void rt2860_init_locked(void *priv);
91
92 static void rt2860_init(void *priv);
93
94 static int rt2860_init_bbp(struct rt2860_softc *sc);
95
96 static void rt2860_stop_locked(void *priv);
97
98 static void rt2860_stop(void *priv);
99
100 static void rt2860_start(struct ifnet *ifp);
101
102 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
103
104 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
105 const char name[IFNAMSIZ], int unit, int opmode, int flags,
106 const uint8_t bssid[IEEE80211_ADDR_LEN],
107 const uint8_t mac[IEEE80211_ADDR_LEN]);
108
109 static void rt2860_vap_delete(struct ieee80211vap *vap);
110
111 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
112
113 static int rt2860_vap_newstate(struct ieee80211vap *vap,
114 enum ieee80211_state nstate, int arg);
115
116 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
117
118 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
119
120 static int rt2860_vap_key_set(struct ieee80211vap *vap,
121 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
122
123 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
124 const struct ieee80211_key *k);
125
126 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
127
128 static int rt2860_media_change(struct ifnet *ifp);
129
130 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
131 const uint8_t mac[IEEE80211_ADDR_LEN]);
132
133 static void rt2860_node_cleanup(struct ieee80211_node *ni);
134
135 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
136 struct ieee80211_mimo_info *mi);
137
138 static int rt2860_setregdomain(struct ieee80211com *ic,
139 struct ieee80211_regdomain *reg,
140 int nchans, struct ieee80211_channel chans[]);
141
142 static void rt2860_getradiocaps(struct ieee80211com *ic,
143 int maxchans, int *nchans, struct ieee80211_channel chans[]);
144
145 static void rt2860_scan_start(struct ieee80211com *ic);
146
147 static void rt2860_scan_end(struct ieee80211com *ic);
148
149 static void rt2860_set_channel(struct ieee80211com *ic);
150
151 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
152
153 static void rt2860_updateslot(struct ifnet *ifp);
154
155 static void rt2860_update_promisc(struct ifnet *ifp);
156
157 static void rt2860_update_mcast(struct ifnet *ifp);
158
159 static int rt2860_wme_update(struct ieee80211com *ic);
160
161 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
162 const struct ieee80211_bpf_params *params);
163
164 static int rt2860_recv_action(struct ieee80211_node *ni,
165 const struct ieee80211_frame *wh,
166 const uint8_t *frm, const uint8_t *efrm);
167
168 static int rt2860_send_action(struct ieee80211_node *ni,
169 int cat, int act, void *sa);
170
171 static int rt2860_addba_response(struct ieee80211_node *ni,
172 struct ieee80211_tx_ampdu *tap,
173 int status, int baparamset, int batimeout);
174
175 static void rt2860_addba_stop(struct ieee80211_node *ni,
176 struct ieee80211_tx_ampdu *tap);
177
178 static int rt2860_ampdu_rx_start(struct ieee80211_node *ni,
179 struct ieee80211_rx_ampdu *rap,
180 int baparamset, int batimeout, int baseqctl);
181
182 static void rt2860_ampdu_rx_stop(struct ieee80211_node *ni,
183 struct ieee80211_rx_ampdu *rap);
184
185 static int rt2860_send_bar(struct ieee80211_node *ni,
186 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno);
187
188 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
189
190 static void rt2860_periodic(void *arg);
191
192 static void rt2860_tx_watchdog(void *arg);
193
194 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid);
195
196 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid);
197
198 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
199 const uint8_t *bssid);
200
201 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
202 const uint8_t *addr);
203
204 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
205
206 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
207
208 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
209
210 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
211
212 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
213
214 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
215
216 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
217
218 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
219
220 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
221
222 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
223
224 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
225
226 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
227 struct ieee80211vap *vap);
228
229 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
230
231 static void rt2860_asic_add_ba_session(struct rt2860_softc *sc,
232 uint8_t wcid, int tid);
233
234 static void rt2860_asic_del_ba_session(struct rt2860_softc *sc,
235 uint8_t wcid, int tid);
236
237 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
238 struct ieee80211vap *vap);
239
240 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
241
242 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
243 const struct rt2860_rxwi *rxwi);
244
245 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
246 uint8_t rssi, uint8_t rxpath);
247
248 static uint8_t rt2860_rate2mcs(uint8_t rate);
249
250 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
251 struct mbuf *m, struct ieee80211_node *ni, int qid);
252
253 static int rt2860_tx_data(struct rt2860_softc *sc,
254 struct mbuf *m, struct ieee80211_node *ni, int qid);
255
256 static int rt2860_tx_raw(struct rt2860_softc *sc,
257 struct mbuf *m, struct ieee80211_node *ni,
258 const struct ieee80211_bpf_params *params);
259
260 static void rt2860_intr(void *arg);
261
262 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
263
264 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
265
266 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
267
268 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
269
270 static void rt2860_rx_intr(struct rt2860_softc *sc);
271
272 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
273
274 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
275
276 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
277
278 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
279
280 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
281
282 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
283
284 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
285
286 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
287
288 static void rt2860_rx_done_task(void *context, int pending);
289
290 static void rt2860_tx_done_task(void *context, int pending);
291
292 static void rt2860_fifo_sta_full_task(void *context, int pending);
293
294 static void rt2860_periodic_task(void *context, int pending);
295
296 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
297
298 static void rt2860_tx_eof(struct rt2860_softc *sc,
299 struct rt2860_softc_tx_ring *ring);
300
301 static void rt2860_update_stats(struct rt2860_softc *sc);
302
303 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
304
305 static void rt2860_watchdog(struct rt2860_softc *sc);
306
307 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
308
309 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
310
311 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
312
313 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
314
315 static int rt2860_txrx_enable(struct rt2860_softc *sc);
316
317 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
318 struct rt2860_softc_rx_ring *ring);
319
320 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
321 struct rt2860_softc_rx_ring *ring);
322
323 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
324 struct rt2860_softc_rx_ring *ring);
325
326 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
327 struct rt2860_softc_tx_ring *ring, int qid);
328
329 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
330 struct rt2860_softc_tx_ring *ring);
331
332 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
333 struct rt2860_softc_tx_ring *ring);
334
335 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
336 int nseg, int error);
337
338 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
339
340 /*
341 * Static variables
342 */
343
344 static const struct rt2860_pci_ident rt2860_pci_ids[] =
345 {
346 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
347 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
348 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
349 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
350 { 0, 0, NULL }
351 };
352
353 static const struct
354 {
355 uint32_t reg;
356 uint32_t val;
357 } rt2860_def_mac[] =
358 {
359 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
360 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
361 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
362 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
363 { RT2860_REG_SYS_CTRL, 0x00000000 },
364 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
365 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
366 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
367 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
368 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
369 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
370 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
371 { RT2860_REG_LED_CFG, 0x7f031e46 },
372 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
373 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
374 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
375 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
376 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
377 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
378 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
379 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
380 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
381 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
382 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
383 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
384 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
385 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
386 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
387 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
388 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
389 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
390 };
391
392 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
393
394 static const struct
395 {
396 uint8_t reg;
397 uint8_t val;
398 } rt2860_def_bbp[] =
399 {
400 { 65, 0x2c },
401 { 66, 0x38 },
402 { 69, 0x12 },
403 { 70, 0x0a },
404 { 73, 0x10 },
405 { 81, 0x37 },
406 { 82, 0x62 },
407 { 83, 0x6a },
408 { 84, 0x99 },
409 { 86, 0x00 },
410 { 91, 0x04 },
411 { 92, 0x00 },
412 { 103, 0x00 },
413 { 105, 0x05 },
414 { 106, 0x35 },
415 };
416
417 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
418
419 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
420
421 static int rt2860_tx_stbc = 1;
422 SYSCTL_INT(_hw_rt2860, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2860_tx_stbc, 0, "RT2860 Tx STBC");
423 TUNABLE_INT("hw.rt2860.tx_stbc", &rt2860_tx_stbc);
424
425 #ifdef RT2860_DEBUG
426 static int rt2860_debug = 0;
427 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "RT2860 debug level");
428 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
429 #endif
430
431 /*
432 * rt2860_probe
433 */
434 static int rt2860_probe(device_t dev)
435 {
436 const struct rt2860_pci_ident *ident;
437
438 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
439 {
440 if (pci_get_vendor(dev) == ident->vendor &&
441 pci_get_device(dev) == ident->device)
442 {
443 device_set_desc(dev, ident->name);
444 return 0;
445 }
446 }
447
448 return ENXIO;
449 }
450
451 /*
452 * rt2860_attach
453 */
454 static int rt2860_attach(device_t dev)
455 {
456 struct rt2860_softc *sc;
457 struct ifnet *ifp;
458 struct ieee80211com *ic;
459 int error, ntries, i;
460
461 sc = device_get_softc(dev);
462
463 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
464 {
465 printf("%s: chip is in D%d power mode, setting to D0\n",
466 device_get_nameunit(dev), pci_get_powerstate(dev));
467 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
468 }
469
470 /* enable bus-mastering */
471
472 pci_enable_busmaster(dev);
473
474 sc->dev = dev;
475
476 mtx_init(&sc->lock, device_get_nameunit(dev),
477 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
478
479 sc->mem_rid = PCIR_BAR(0);
480 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
481 &sc->mem_rid, RF_ACTIVE);
482 if (sc->mem == NULL)
483 {
484 printf("%s: could not allocate memory resource\n",
485 device_get_nameunit(dev));
486 error = ENXIO;
487 goto fail;
488 }
489
490 sc->bst = rman_get_bustag(sc->mem);
491 sc->bsh = rman_get_bushandle(sc->mem);
492
493 sc->irq_rid = 0;
494 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
495 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
496 if (sc->irq == NULL)
497 {
498 printf("%s: could not allocate interrupt resource\n",
499 device_get_nameunit(dev));
500 error = ENXIO;
501 goto fail;
502 }
503
504 sc->tx_stbc = rt2860_tx_stbc;
505
506 #ifdef RT2860_DEBUG
507 sc->debug = rt2860_debug;
508
509 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
510 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
511 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
512 #endif
513
514 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
515 "%s: attaching\n",
516 device_get_nameunit(sc->dev));
517
518 /* wait for NIC to initialize */
519
520 for (ntries = 0; ntries < 100; ntries++)
521 {
522 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
523 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
524 break;
525
526 DELAY(10);
527 }
528
529 if (ntries == 100)
530 {
531 printf("%s: timeout waiting for NIC to initialize\n",
532 device_get_nameunit(dev));
533 error = EIO;
534 goto fail;
535 }
536
537 rt2860_read_eeprom(sc);
538
539 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
540 device_get_nameunit(sc->dev), sc->mac_rev,
541 rt2860_rf_name(sc->rf_rev));
542
543 /* clear key tables */
544
545 rt2860_asic_clear_keytables(sc);
546
547 /* allocate Tx and Rx rings */
548
549 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
550 {
551 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
552 if (error != 0)
553 {
554 printf("%s: could not allocate Tx ring #%d\n",
555 device_get_nameunit(sc->dev), i);
556 goto fail;
557 }
558 }
559
560 sc->tx_ring_mgtqid = 5;
561
562 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
563 if (error != 0)
564 {
565 printf("%s: could not allocate Rx ring\n",
566 device_get_nameunit(sc->dev));
567 goto fail;
568 }
569
570 callout_init(&sc->periodic_ch, 0);
571 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
572
573 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
574 if (ifp == NULL)
575 {
576 printf("%s: could not if_alloc()\n",
577 device_get_nameunit(sc->dev));
578 error = ENOMEM;
579 goto fail;
580 }
581
582 ifp->if_softc = sc;
583
584 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
585
586 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
587
588 ifp->if_init = rt2860_init;
589 ifp->if_ioctl = rt2860_ioctl;
590 ifp->if_start = rt2860_start;
591
592 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
593 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
594 IFQ_SET_READY(&ifp->if_snd);
595
596 ic = ifp->if_l2com;
597
598 ic->ic_ifp = ifp;
599
600 ic->ic_phytype = IEEE80211_T_HT;
601 ic->ic_opmode = IEEE80211_M_STA;
602
603 ic->ic_caps = IEEE80211_C_MONITOR |
604 IEEE80211_C_IBSS |
605 IEEE80211_C_STA |
606 IEEE80211_C_AHDEMO |
607 IEEE80211_C_HOSTAP |
608 IEEE80211_C_WDS |
609 IEEE80211_C_MBSS |
610 IEEE80211_C_BGSCAN |
611 IEEE80211_C_TXPMGT |
612 IEEE80211_C_SHPREAMBLE |
613 IEEE80211_C_SHSLOT |
614 IEEE80211_C_TXFRAG |
615 IEEE80211_C_BURST |
616 IEEE80211_C_WME |
617 IEEE80211_C_WPA;
618
619 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
620 IEEE80211_CRYPTO_TKIP |
621 IEEE80211_CRYPTO_TKIPMIC |
622 IEEE80211_CRYPTO_AES_CCM;
623
624 ic->ic_htcaps = IEEE80211_HTC_HT |
625 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
626 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
627 IEEE80211_HTC_SMPS | /* MIMO power save */
628 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
629 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
630 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
631 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
632 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
633 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
634
635 /* spatial streams */
636
637 if (sc->nrxpath == 2)
638 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
639 else if (sc->nrxpath == 3)
640 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
641 else
642 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
643
644 if (sc->ntxpath > 1)
645 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
646
647 /* delayed BA */
648
649 if (sc->mac_rev != 0x28600100)
650 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
651
652 /* init channels */
653
654 ic->ic_nchans = 0;
655
656 rt2860_init_channels(sc);
657
658 rt2860_init_channels_ht40(sc);
659
660 ieee80211_ifattach(ic, sc->mac_addr);
661
662 ic->ic_vap_create = rt2860_vap_create;
663 ic->ic_vap_delete = rt2860_vap_delete;
664
665 ic->ic_node_alloc = rt2860_node_alloc;
666
667 sc->node_cleanup = ic->ic_node_cleanup;
668 ic->ic_node_cleanup = rt2860_node_cleanup;
669
670 ic->ic_node_getmimoinfo = rt2860_node_getmimoinfo;
671 ic->ic_setregdomain = rt2860_setregdomain;
672 ic->ic_getradiocaps = rt2860_getradiocaps;
673 ic->ic_scan_start = rt2860_scan_start;
674 ic->ic_scan_end = rt2860_scan_end;
675 ic->ic_set_channel = rt2860_set_channel;
676 ic->ic_newassoc = rt2860_newassoc;
677 ic->ic_updateslot = rt2860_updateslot;
678 ic->ic_update_promisc = rt2860_update_promisc;
679 ic->ic_update_mcast = rt2860_update_mcast;
680 ic->ic_wme.wme_update = rt2860_wme_update;
681 ic->ic_raw_xmit = rt2860_raw_xmit;
682
683 sc->recv_action = ic->ic_recv_action;
684 ic->ic_recv_action = rt2860_recv_action;
685
686 sc->send_action = ic->ic_send_action;
687 ic->ic_send_action = rt2860_send_action;
688
689 sc->addba_response = ic->ic_addba_response;
690 ic->ic_addba_response = rt2860_addba_response;
691
692 sc->addba_stop = ic->ic_addba_stop;
693 ic->ic_addba_stop = rt2860_addba_stop;
694
695 sc->ampdu_rx_start = ic->ic_ampdu_rx_start;
696 ic->ic_ampdu_rx_start = rt2860_ampdu_rx_start;
697
698 sc->ampdu_rx_stop = ic->ic_ampdu_rx_stop;
699 ic->ic_ampdu_rx_stop = rt2860_ampdu_rx_stop;
700
701 /* hardware requires padding between 802.11 frame header and body */
702
703 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
704
705 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
706
707 ieee80211_radiotap_attach(ic,
708 &sc->txtap.ihdr, sizeof(sc->txtap),
709 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
710 &sc->rxtap.ihdr, sizeof(sc->rxtap),
711 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
712
713 /* init task queue */
714
715 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
716 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
717 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
718 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
719
720 sc->rx_process_limit = 100;
721
722 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
723 taskqueue_thread_enqueue, &sc->taskqueue);
724
725 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
726 device_get_nameunit(sc->dev));
727
728 rt2860_sysctl_attach(sc);
729
730 if (bootverbose)
731 ieee80211_announce(ic);
732
733 /* set up interrupt */
734
735 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
736 NULL, rt2860_intr, sc, &sc->irqh);
737 if (error != 0)
738 {
739 printf("%s: could not set up interrupt\n",
740 device_get_nameunit(dev));
741 goto fail;
742 }
743
744 return 0;
745
746 fail:
747
748 /* free Tx and Rx rings */
749
750 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
751 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
752
753 rt2860_free_rx_ring(sc, &sc->rx_ring);
754
755 mtx_destroy(&sc->lock);
756
757 if (sc->mem != NULL)
758 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
759
760 if (sc->irq != NULL)
761 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
762
763 return error;
764 }
765
766 /*
767 * rt2860_detach
768 */
769 static int rt2860_detach(device_t dev)
770 {
771 struct rt2860_softc *sc;
772 struct ifnet *ifp;
773 struct ieee80211com *ic;
774 int i;
775
776 sc = device_get_softc(dev);
777 ifp = sc->ifp;
778 ic = ifp->if_l2com;
779
780 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
781 "%s: detaching\n",
782 device_get_nameunit(sc->dev));
783
784 RT2860_SOFTC_LOCK(sc);
785
786 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
787
788 callout_stop(&sc->periodic_ch);
789 callout_stop(&sc->tx_watchdog_ch);
790
791 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
792 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
793 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
794 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
795
796 /* free Tx and Rx rings */
797
798 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
799 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
800
801 rt2860_free_rx_ring(sc, &sc->rx_ring);
802
803 RT2860_SOFTC_UNLOCK(sc);
804
805 ieee80211_ifdetach(ic);
806
807 if_free(ifp);
808
809 taskqueue_free(sc->taskqueue);
810
811 mtx_destroy(&sc->lock);
812
813 bus_generic_detach(dev);
814
815 bus_teardown_intr(dev, sc->irq, sc->irqh);
816
817 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
818
819 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
820
821 return 0;
822 }
823
824 /*
825 * rt2860_shutdown
826 */
827 static int rt2860_shutdown(device_t dev)
828 {
829 struct rt2860_softc *sc;
830
831 sc = device_get_softc(dev);
832
833 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
834 "%s: shutting down\n",
835 device_get_nameunit(sc->dev));
836
837 rt2860_stop(sc);
838
839 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
840
841 return 0;
842 }
843
844 /*
845 * rt2860_suspend
846 */
847 static int rt2860_suspend(device_t dev)
848 {
849 struct rt2860_softc *sc;
850
851 sc = device_get_softc(dev);
852
853 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
854 "%s: suspending\n",
855 device_get_nameunit(sc->dev));
856
857 rt2860_stop(sc);
858
859 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
860
861 return 0;
862 }
863
864 /*
865 * rt2860_resume
866 */
867 static int rt2860_resume(device_t dev)
868 {
869 struct rt2860_softc *sc;
870 struct ifnet *ifp;
871
872 sc = device_get_softc(dev);
873 ifp = sc->ifp;
874
875 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
876 "%s: resuming\n",
877 device_get_nameunit(sc->dev));
878
879 if (ifp->if_flags & IFF_UP)
880 rt2860_init(sc);
881
882 return 0;
883 }
884
885 /*
886 * rt2860_init_channels
887 */
888 static void rt2860_init_channels(struct rt2860_softc *sc)
889 {
890 struct ifnet *ifp;
891 struct ieee80211com *ic;
892 struct ieee80211_channel *c;
893 int i, flags;
894
895 ifp = sc->ifp;
896 ic = ifp->if_l2com;
897
898 /* set supported channels for 2GHz band */
899
900 for (i = 1; i <= 14; i++)
901 {
902 c = &ic->ic_channels[ic->ic_nchans++];
903 flags = IEEE80211_CHAN_B;
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_B | IEEE80211_CHAN_HT20;
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;
918
919 c->ic_freq = ieee80211_ieee2mhz(i, flags);
920 c->ic_ieee = i;
921 c->ic_flags = flags;
922
923 c = &ic->ic_channels[ic->ic_nchans++];
924 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
925
926 c->ic_freq = ieee80211_ieee2mhz(i, flags);
927 c->ic_ieee = i;
928 c->ic_flags = flags;
929 }
930
931 /* set supported channels for 5GHz band */
932
933 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
934 sc->rf_rev == RT2860_EEPROM_RF_2750)
935 {
936 for (i = 36; i <= 64; i += 4)
937 {
938 c = &ic->ic_channels[ic->ic_nchans++];
939 flags = IEEE80211_CHAN_A;
940
941 c->ic_freq = ieee80211_ieee2mhz(i, flags);
942 c->ic_ieee = i;
943 c->ic_flags = flags;
944
945 c = &ic->ic_channels[ic->ic_nchans++];
946 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
947
948 c->ic_freq = ieee80211_ieee2mhz(i, flags);
949 c->ic_ieee = i;
950 c->ic_flags = flags;
951 }
952
953 for (i = 100; i <= 140; i += 4)
954 {
955 c = &ic->ic_channels[ic->ic_nchans++];
956 flags = IEEE80211_CHAN_A;
957
958 c->ic_freq = ieee80211_ieee2mhz(i, flags);
959 c->ic_ieee = i;
960 c->ic_flags = flags;
961
962 c = &ic->ic_channels[ic->ic_nchans++];
963 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
964
965 c->ic_freq = ieee80211_ieee2mhz(i, flags);
966 c->ic_ieee = i;
967 c->ic_flags = flags;
968 }
969
970 for (i = 149; i <= 165; i += 4)
971 {
972 c = &ic->ic_channels[ic->ic_nchans++];
973 flags = IEEE80211_CHAN_A;
974
975 c->ic_freq = ieee80211_ieee2mhz(i, flags);
976 c->ic_ieee = i;
977 c->ic_flags = flags;
978
979 c = &ic->ic_channels[ic->ic_nchans++];
980 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
981
982 c->ic_freq = ieee80211_ieee2mhz(i, flags);
983 c->ic_ieee = i;
984 c->ic_flags = flags;
985 }
986 }
987 }
988
989 /*
990 * rt2860_init_channels_ht40
991 */
992 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
993 {
994 struct ifnet *ifp;
995 struct ieee80211com *ic;
996 struct ieee80211_channel *c, *cent, *ext;
997 int i, flags;
998
999 ifp = sc->ifp;
1000 ic = ifp->if_l2com;
1001
1002 /* set supported channels for 2GHz band */
1003
1004 for (i = 1; i <= 14; i++)
1005 {
1006 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1007
1008 /* find the center channel */
1009
1010 cent = ieee80211_find_channel_byieee(ic, i,
1011 flags & ~IEEE80211_CHAN_HT);
1012 if (cent == NULL)
1013 {
1014 printf("%s: skip channel %d, could not find center channel\n",
1015 device_get_nameunit(sc->dev), i);
1016 continue;
1017 }
1018
1019 /* find the extension channel */
1020
1021 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1022 flags & ~IEEE80211_CHAN_HT);
1023 if (ext == NULL)
1024 {
1025 printf("%s: skip channel %d, could not find extension channel\n",
1026 device_get_nameunit(sc->dev), i);
1027 continue;
1028 }
1029
1030 c = &ic->ic_channels[ic->ic_nchans++];
1031
1032 *c = *cent;
1033 c->ic_extieee = ext->ic_ieee;
1034 c->ic_flags &= ~IEEE80211_CHAN_HT;
1035 c->ic_flags |= IEEE80211_CHAN_HT40U;
1036
1037 c = &ic->ic_channels[ic->ic_nchans++];
1038
1039 *c = *ext;
1040 c->ic_extieee = cent->ic_ieee;
1041 c->ic_flags &= ~IEEE80211_CHAN_HT;
1042 c->ic_flags |= IEEE80211_CHAN_HT40D;
1043 }
1044
1045 /* set supported channels for 5GHz band */
1046
1047 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
1048 sc->rf_rev == RT2860_EEPROM_RF_2750)
1049 {
1050 for (i = 36; i <= 64; i += 4)
1051 {
1052 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1053
1054 /* find the center channel */
1055
1056 cent = ieee80211_find_channel_byieee(ic, i,
1057 flags & ~IEEE80211_CHAN_HT);
1058 if (cent == NULL)
1059 {
1060 printf("%s: skip channel %d, could not find center channel\n",
1061 device_get_nameunit(sc->dev), i);
1062 continue;
1063 }
1064
1065 /* find the extension channel */
1066
1067 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1068 flags & ~IEEE80211_CHAN_HT);
1069 if (ext == NULL)
1070 {
1071 printf("%s: skip channel %d, could not find extension channel\n",
1072 device_get_nameunit(sc->dev), i);
1073 continue;
1074 }
1075
1076 c = &ic->ic_channels[ic->ic_nchans++];
1077
1078 *c = *cent;
1079 c->ic_extieee = ext->ic_ieee;
1080 c->ic_flags &= ~IEEE80211_CHAN_HT;
1081 c->ic_flags |= IEEE80211_CHAN_HT40U;
1082
1083 c = &ic->ic_channels[ic->ic_nchans++];
1084
1085 *c = *ext;
1086 c->ic_extieee = cent->ic_ieee;
1087 c->ic_flags &= ~IEEE80211_CHAN_HT;
1088 c->ic_flags |= IEEE80211_CHAN_HT40D;
1089 }
1090
1091 for (i = 100; i <= 140; i += 4)
1092 {
1093 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1094
1095 /* find the center channel */
1096
1097 cent = ieee80211_find_channel_byieee(ic, i,
1098 flags & ~IEEE80211_CHAN_HT);
1099 if (cent == NULL)
1100 {
1101 printf("%s: skip channel %d, could not find center channel\n",
1102 device_get_nameunit(sc->dev), i);
1103 continue;
1104 }
1105
1106 /* find the extension channel */
1107
1108 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1109 flags & ~IEEE80211_CHAN_HT);
1110 if (ext == NULL)
1111 {
1112 printf("%s: skip channel %d, could not find extension channel\n",
1113 device_get_nameunit(sc->dev), i);
1114 continue;
1115 }
1116
1117 c = &ic->ic_channels[ic->ic_nchans++];
1118
1119 *c = *cent;
1120 c->ic_extieee = ext->ic_ieee;
1121 c->ic_flags &= ~IEEE80211_CHAN_HT;
1122 c->ic_flags |= IEEE80211_CHAN_HT40U;
1123
1124 c = &ic->ic_channels[ic->ic_nchans++];
1125
1126 *c = *ext;
1127 c->ic_extieee = cent->ic_ieee;
1128 c->ic_flags &= ~IEEE80211_CHAN_HT;
1129 c->ic_flags |= IEEE80211_CHAN_HT40D;
1130 }
1131
1132 for (i = 149; i <= 165; i += 4)
1133 {
1134 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1135
1136 /* find the center channel */
1137
1138 cent = ieee80211_find_channel_byieee(ic, i,
1139 flags & ~IEEE80211_CHAN_HT);
1140 if (cent == NULL)
1141 {
1142 printf("%s: skip channel %d, could not find center channel\n",
1143 device_get_nameunit(sc->dev), i);
1144 continue;
1145 }
1146
1147 /* find the extension channel */
1148
1149 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1150 flags & ~IEEE80211_CHAN_HT);
1151 if (ext == NULL)
1152 {
1153 printf("%s: skip channel %d, could not find extension channel\n",
1154 device_get_nameunit(sc->dev), i);
1155 continue;
1156 }
1157
1158 c = &ic->ic_channels[ic->ic_nchans++];
1159
1160 *c = *cent;
1161 c->ic_extieee = ext->ic_ieee;
1162 c->ic_flags &= ~IEEE80211_CHAN_HT;
1163 c->ic_flags |= IEEE80211_CHAN_HT40U;
1164
1165 c = &ic->ic_channels[ic->ic_nchans++];
1166
1167 *c = *ext;
1168 c->ic_extieee = cent->ic_ieee;
1169 c->ic_flags &= ~IEEE80211_CHAN_HT;
1170 c->ic_flags |= IEEE80211_CHAN_HT40D;
1171 }
1172 }
1173 }
1174
1175 /*
1176 * rt2860_init_locked
1177 */
1178 static void rt2860_init_locked(void *priv)
1179 {
1180 struct rt2860_softc *sc;
1181 struct ifnet *ifp;
1182 struct ieee80211com *ic;
1183 int error, i, ntries;
1184 uint32_t tmp, stacnt[6];
1185
1186 sc = priv;
1187 ifp = sc->ifp;
1188 ic = ifp->if_l2com;
1189
1190 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1191 "%s: initializing\n",
1192 device_get_nameunit(sc->dev));
1193
1194 RT2860_SOFTC_ASSERT_LOCKED(sc);
1195
1196 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1197 {
1198 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1199 "%s: loading 8051 microcode\n",
1200 device_get_nameunit(sc->dev));
1201
1202 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1203 if (error != 0)
1204 {
1205 printf("%s: could not load 8051 microcode\n",
1206 device_get_nameunit(sc->dev));
1207 goto fail;
1208 }
1209
1210 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1211 "%s: 8051 microcode was successfully loaded\n",
1212 device_get_nameunit(sc->dev));
1213
1214 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1215 }
1216
1217 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1218
1219 /* disable DMA engine */
1220
1221 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1222
1223 tmp &= 0xff0;
1224 tmp |= RT2860_REG_TX_WB_DDONE;
1225
1226 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1227
1228 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1229
1230 /* PBF hardware reset */
1231
1232 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1233 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1234
1235 /* wait while DMA engine is busy */
1236
1237 for (ntries = 0; ntries < 100; ntries++)
1238 {
1239 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1240 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1241 break;
1242
1243 DELAY(1000);
1244 }
1245
1246 if (ntries == 100)
1247 {
1248 printf("%s: timeout waiting for DMA engine\n",
1249 device_get_nameunit(sc->dev));
1250 goto fail;
1251 }
1252
1253 tmp &= 0xff0;
1254 tmp |= RT2860_REG_TX_WB_DDONE;
1255
1256 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1257
1258 /* reset Rx and Tx rings */
1259
1260 tmp = RT2860_REG_RST_IDX_RX |
1261 RT2860_REG_RST_IDX_TX_MGMT |
1262 RT2860_REG_RST_IDX_TX_HCCA |
1263 RT2860_REG_RST_IDX_TX_AC3 |
1264 RT2860_REG_RST_IDX_TX_AC2 |
1265 RT2860_REG_RST_IDX_TX_AC1 |
1266 RT2860_REG_RST_IDX_TX_AC0;
1267
1268 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1269
1270 /* PBF hardware reset */
1271
1272 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1273 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1274
1275 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1276
1277 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1278 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1279 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1280
1281 /* init Tx power per rate */
1282
1283 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1284 {
1285 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1286 continue;
1287
1288 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1289 sc->txpow_rate_20mhz[i]);
1290 }
1291
1292 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1293 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1294 rt2860_def_mac[i].val);
1295
1296 /* wait while MAC is busy */
1297
1298 for (ntries = 0; ntries < 100; ntries++)
1299 {
1300 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1301 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1302 break;
1303
1304 DELAY(1000);
1305 }
1306
1307 if (ntries == 100)
1308 {
1309 printf("%s: timeout waiting for MAC\n",
1310 device_get_nameunit(sc->dev));
1311 goto fail;
1312 }
1313
1314 /* clear Host to MCU mailbox */
1315
1316 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1317 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1318
1319 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1320 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1321
1322 DELAY(1000);
1323
1324 error = rt2860_init_bbp(sc);
1325 if (error != 0)
1326 goto fail;
1327
1328 /* set up maximum buffer sizes */
1329
1330 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1331
1332 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1333
1334 if (sc->mac_rev == 0x28720200)
1335 {
1336 /* set max. PSDU length from 16K to 32K bytes */
1337
1338 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1339
1340 tmp &= ~(3 << 12);
1341 tmp |= (2 << 12);
1342
1343 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1344 }
1345
1346 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1347 {
1348 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1349
1350 tmp &= 0xfff;
1351 tmp |= 0x2000;
1352
1353 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1354 }
1355
1356 /* set mac address */
1357
1358 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1359
1360 /* clear statistic registers */
1361
1362 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1363 stacnt, sizeof(stacnt));
1364
1365 /* set RTS threshold */
1366
1367 rt2860_asic_update_rtsthreshold(sc);
1368
1369 /* set Tx power */
1370
1371 rt2860_asic_update_txpower(sc);
1372
1373 /* set up protection mode */
1374
1375 sc->tx_ampdu_sessions = 0;
1376
1377 rt2860_asic_updateprot(sc);
1378
1379 /* clear beacon frame space (entries = 8, entry size = 512) */
1380
1381 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1382
1383 taskqueue_unblock(sc->taskqueue);
1384
1385 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1386
1387 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1388 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1389
1390 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1391 {
1392 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1393 sc->tx_ring[i].desc_phys_addr);
1394 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1395 RT2860_SOFTC_TX_RING_DESC_COUNT);
1396 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1397 }
1398
1399 /* init Rx ring */
1400
1401 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1402
1403 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1404 sc->rx_ring.desc_phys_addr);
1405 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1406 RT2860_SOFTC_RX_RING_DATA_COUNT);
1407 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1408 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1409
1410 /* wait while DMA engine is busy */
1411
1412 for (ntries = 0; ntries < 100; ntries++)
1413 {
1414 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1415 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1416 break;
1417
1418 DELAY(1000);
1419 }
1420
1421 if (ntries == 100)
1422 {
1423 printf("%s: timeout waiting for DMA engine\n",
1424 device_get_nameunit(sc->dev));
1425 goto fail;
1426 }
1427
1428 tmp &= 0xff0;
1429 tmp |= RT2860_REG_TX_WB_DDONE;
1430
1431 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1432
1433 /* disable interrupts mitigation */
1434
1435 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1436
1437 /* send LEDs operating mode to microcontroller */
1438
1439 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1440 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1441 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1442 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1443 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1444 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1445
1446 /* turn radio LED on */
1447
1448 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1449
1450 /* write vendor-specific BBP values (from EEPROM) */
1451
1452 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1453 {
1454 if (sc->bbp_eeprom[i].reg == 0x00 ||
1455 sc->bbp_eeprom[i].reg == 0xff)
1456 continue;
1457
1458 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1459 sc->bbp_eeprom[i].val);
1460 }
1461
1462 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1463 if (tmp & (1 << 2))
1464 {
1465 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1466 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1467 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1468
1469 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1470 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1471 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1472 }
1473
1474 /* disable non-existing Rx chains */
1475
1476 tmp = rt2860_io_bbp_read(sc, 3);
1477
1478 tmp &= ~((1 << 4) | (1 << 3));
1479
1480 if (sc->nrxpath == 3)
1481 tmp |= (1 << 4);
1482 else if (sc->nrxpath == 2)
1483 tmp |= (1 << 3);
1484
1485 rt2860_io_bbp_write(sc, 3, tmp);
1486
1487 /* disable non-existing Tx chains */
1488
1489 tmp = rt2860_io_bbp_read(sc, 1);
1490
1491 tmp &= ~((1 << 4) | (1 << 3));
1492
1493 if (sc->ntxpath == 2)
1494 tmp |= (1 << 4);
1495
1496 rt2860_io_bbp_write(sc, 1, tmp);
1497
1498 /* set current channel */
1499
1500 rt2860_rf_set_chan(sc, ic->ic_curchan);
1501
1502 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1503 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1504 (48 << 16) | 96);
1505
1506 if ((sc->mac_rev & 0xffff) != 0x0101)
1507 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1508
1509 /* clear pending interrupts */
1510
1511 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1512
1513 /* enable interrupts */
1514
1515 tmp = RT2860_REG_INT_TX_COHERENT |
1516 RT2860_REG_INT_RX_COHERENT |
1517 RT2860_REG_INT_GP_TIMER |
1518 RT2860_REG_INT_AUTO_WAKEUP |
1519 RT2860_REG_INT_FIFO_STA_FULL |
1520 RT2860_REG_INT_PRE_TBTT |
1521 RT2860_REG_INT_TBTT |
1522 RT2860_REG_INT_TXRX_COHERENT |
1523 RT2860_REG_INT_MCU_CMD |
1524 RT2860_REG_INT_TX_MGMT_DONE |
1525 RT2860_REG_INT_TX_HCCA_DONE |
1526 RT2860_REG_INT_TX_AC3_DONE |
1527 RT2860_REG_INT_TX_AC2_DONE |
1528 RT2860_REG_INT_TX_AC1_DONE |
1529 RT2860_REG_INT_TX_AC0_DONE |
1530 RT2860_REG_INT_RX_DONE;
1531
1532 sc->intr_enable_mask = tmp;
1533
1534 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1535
1536 if (rt2860_txrx_enable(sc) != 0)
1537 goto fail;
1538
1539 /* clear garbage interrupts */
1540
1541 tmp = rt2860_io_mac_read(sc, 0x1300);
1542
1543 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1544 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1545
1546 sc->periodic_round = 0;
1547
1548 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1549
1550 return;
1551
1552 fail:
1553
1554 rt2860_stop_locked(sc);
1555 }
1556
1557 /*
1558 * rt2860_init
1559 */
1560 static void rt2860_init(void *priv)
1561 {
1562 struct rt2860_softc *sc;
1563
1564 sc = priv;
1565
1566 RT2860_SOFTC_LOCK(sc);
1567
1568 rt2860_init_locked(sc);
1569
1570 RT2860_SOFTC_UNLOCK(sc);
1571 }
1572
1573 /*
1574 * rt2860_init_bbp
1575 */
1576 static int rt2860_init_bbp(struct rt2860_softc *sc)
1577 {
1578 int ntries, i;
1579 uint8_t tmp;
1580
1581 for (ntries = 0; ntries < 20; ntries++)
1582 {
1583 tmp = rt2860_io_bbp_read(sc, 0);
1584 if (tmp != 0x00 && tmp != 0xff)
1585 break;
1586 }
1587
1588 if (tmp == 0x00 || tmp == 0xff)
1589 {
1590 printf("%s: timeout waiting for BBP to wakeup\n",
1591 device_get_nameunit(sc->dev));
1592 return ETIMEDOUT;
1593 }
1594
1595 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1596 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1597 rt2860_def_bbp[i].val);
1598
1599 if ((sc->mac_rev & 0xffff) != 0x0101)
1600 rt2860_io_bbp_write(sc, 84, 0x19);
1601
1602 if (sc->mac_rev == 0x28600100)
1603 {
1604 rt2860_io_bbp_write(sc, 69, 0x16);
1605 rt2860_io_bbp_write(sc, 73, 0x12);
1606 }
1607
1608 return 0;
1609 }
1610
1611 /*
1612 * rt2860_stop_locked
1613 */
1614 static void rt2860_stop_locked(void *priv)
1615 {
1616 struct rt2860_softc *sc;
1617 struct ifnet *ifp;
1618 struct ieee80211com *ic;
1619 uint32_t tmp;
1620
1621 sc = priv;
1622 ifp = sc->ifp;
1623 ic = ifp->if_l2com;
1624
1625 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1626 "%s: stopping\n",
1627 device_get_nameunit(sc->dev));
1628
1629 RT2860_SOFTC_ASSERT_LOCKED(sc);
1630
1631 sc->tx_timer = 0;
1632
1633 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1634 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1635
1636 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1637
1638 callout_stop(&sc->periodic_ch);
1639 callout_stop(&sc->tx_watchdog_ch);
1640
1641 RT2860_SOFTC_UNLOCK(sc);
1642
1643 taskqueue_block(sc->taskqueue);
1644
1645 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1646 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1647 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1648 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1649
1650 RT2860_SOFTC_LOCK(sc);
1651
1652 /* clear key tables */
1653
1654 rt2860_asic_clear_keytables(sc);
1655
1656 /* disable interrupts */
1657
1658 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1659
1660 /* disable Tx/Rx */
1661
1662 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1663
1664 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1665
1666 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1667
1668 /* reset adapter */
1669
1670 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1671 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1672 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1673 }
1674
1675 /*
1676 * rt2860_stop
1677 */
1678 static void rt2860_stop(void *priv)
1679 {
1680 struct rt2860_softc *sc;
1681
1682 sc = priv;
1683
1684 RT2860_SOFTC_LOCK(sc);
1685
1686 rt2860_stop_locked(sc);
1687
1688 RT2860_SOFTC_UNLOCK(sc);
1689 }
1690
1691 /*
1692 * rt2860_start
1693 */
1694 static void rt2860_start(struct ifnet *ifp)
1695 {
1696 struct rt2860_softc *sc;
1697 struct ieee80211_node *ni;
1698 struct mbuf *m;
1699 int qid;
1700
1701 sc = ifp->if_softc;
1702
1703 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1704 return;
1705
1706 for (;;)
1707 {
1708 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1709 if (m == NULL)
1710 break;
1711
1712 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1713
1714 m->m_pkthdr.rcvif = NULL;
1715
1716 qid = M_WME_GETAC(m);
1717
1718 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[qid]);
1719
1720 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1721 {
1722 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1723
1724 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1725 "%s: if_start: Tx ring with qid=%d is full\n",
1726 device_get_nameunit(sc->dev), qid);
1727
1728 m_freem(m);
1729 ieee80211_free_node(ni);
1730
1731 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1732 ifp->if_oerrors++;
1733
1734 sc->tx_data_queue_full[qid]++;
1735
1736 break;
1737 }
1738
1739 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1740 {
1741 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1742
1743 ieee80211_free_node(ni);
1744
1745 ifp->if_oerrors++;
1746
1747 break;
1748 }
1749
1750 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1751
1752 rt2860_drain_fifo_stats(sc);
1753
1754 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1755
1756 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1757 }
1758 }
1759
1760 /*
1761 * rt2860_ioctl
1762 */
1763 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1764 {
1765 struct rt2860_softc *sc;
1766 struct ieee80211com *ic;
1767 struct ifreq *ifr;
1768 int error, startall;
1769
1770 sc = ifp->if_softc;
1771 ic = ifp->if_l2com;
1772 ifr = (struct ifreq *) data;
1773
1774 error = 0;
1775
1776 switch (cmd)
1777 {
1778 case SIOCSIFFLAGS:
1779 startall = 0;
1780
1781 RT2860_SOFTC_LOCK(sc);
1782
1783 if (ifp->if_flags & IFF_UP)
1784 {
1785 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1786 {
1787 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1788 rt2860_asic_update_promisc(sc);
1789 }
1790 else
1791 {
1792 rt2860_init_locked(sc);
1793 startall = 1;
1794 }
1795 }
1796 else
1797 {
1798 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1799 rt2860_stop_locked(sc);
1800 }
1801
1802 sc->if_flags = ifp->if_flags;
1803
1804 RT2860_SOFTC_UNLOCK(sc);
1805
1806 if (startall)
1807 ieee80211_start_all(ic);
1808 break;
1809
1810 case SIOCGIFMEDIA:
1811 case SIOCSIFMEDIA:
1812 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1813 break;
1814
1815 case SIOCGIFADDR:
1816 error = ether_ioctl(ifp, cmd, data);
1817 break;
1818
1819 default:
1820 error = EINVAL;
1821 break;
1822 }
1823
1824 return error;
1825 }
1826
1827 /*
1828 * rt2860_vap_create
1829 */
1830 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1831 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1832 const uint8_t bssid[IEEE80211_ADDR_LEN],
1833 const uint8_t mac[IEEE80211_ADDR_LEN])
1834 {
1835 struct rt2860_softc *sc;
1836 struct ifnet *ifp;
1837 struct rt2860_softc_vap *rvap;
1838 struct ieee80211vap *vap;
1839
1840 ifp = ic->ic_ifp;
1841 sc = ifp->if_softc;
1842
1843 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1844 "%s: VAP create: opmode=%s\n",
1845 device_get_nameunit(sc->dev),
1846 ieee80211_opmode_name[opmode]);
1847
1848 switch (opmode)
1849 {
1850 case IEEE80211_M_IBSS:
1851 case IEEE80211_M_STA:
1852 case IEEE80211_M_AHDEMO:
1853 case IEEE80211_M_HOSTAP:
1854 case IEEE80211_M_MBSS:
1855 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1856 {
1857 if_printf(ifp, "only 1 VAP supported\n");
1858 return NULL;
1859 }
1860
1861 if (opmode == IEEE80211_M_STA)
1862 flags |= IEEE80211_CLONE_NOBEACONS;
1863 break;
1864
1865 case IEEE80211_M_WDS:
1866 if (sc->napvaps == 0)
1867 {
1868 if_printf(ifp, "WDS only supported in AP mode\n");
1869 return NULL;
1870 }
1871 break;
1872
1873 case IEEE80211_M_MONITOR:
1874 break;
1875
1876 default:
1877 if_printf(ifp, "unknown opmode %d\n", opmode);
1878 return NULL;
1879 }
1880
1881 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1882 M_80211_VAP, M_NOWAIT | M_ZERO);
1883 if (rvap == NULL)
1884 return NULL;
1885
1886 vap = &rvap->vap;
1887
1888 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1889
1890 rvap->newstate = vap->iv_newstate;
1891 vap->iv_newstate = rt2860_vap_newstate;
1892
1893 vap->iv_reset = rt2860_vap_reset;
1894 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1895 vap->iv_key_update_end = rt2860_vap_key_update_end;
1896 vap->iv_key_set = rt2860_vap_key_set;
1897 vap->iv_key_delete = rt2860_vap_key_delete;
1898 vap->iv_update_beacon = rt2860_vap_update_beacon;
1899
1900 rt2860_amrr_init(&rvap->amrr, vap,
1901 sc->ntxpath,
1902 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1903 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1904 500);
1905
1906 vap->iv_max_aid = RT2860_SOFTC_STAID_COUNT;
1907
1908 /* overwrite default Rx A-MPDU factor */
1909
1910 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1911 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1912 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1913
1914 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1915
1916 switch (vap->iv_opmode)
1917 {
1918 case IEEE80211_M_HOSTAP:
1919 case IEEE80211_M_MBSS:
1920 case IEEE80211_M_AHDEMO:
1921 sc->napvaps++;
1922 break;
1923
1924 case IEEE80211_M_IBSS:
1925 sc->nadhocvaps++;
1926 break;
1927
1928 case IEEE80211_M_STA:
1929 sc->nstavaps++;
1930 break;
1931
1932 case IEEE80211_M_WDS:
1933 sc->nwdsvaps++;
1934 break;
1935
1936 default:
1937 break;
1938 }
1939
1940 sc->nvaps++;
1941
1942 if (sc->napvaps > 0)
1943 ic->ic_opmode = IEEE80211_M_HOSTAP;
1944 else if (sc->nadhocvaps > 0)
1945 ic->ic_opmode = IEEE80211_M_IBSS;
1946 else if (sc->nstavaps > 0)
1947 ic->ic_opmode = IEEE80211_M_STA;
1948 else
1949 ic->ic_opmode = opmode;
1950
1951 return vap;
1952 }
1953
1954 /*
1955 * rt2860_vap_delete
1956 */
1957 static void rt2860_vap_delete(struct ieee80211vap *vap)
1958 {
1959 struct rt2860_softc *sc;
1960 struct ieee80211com *ic;
1961 struct ifnet *ifp;
1962 struct rt2860_softc_vap *rvap;
1963 enum ieee80211_opmode opmode;
1964
1965 ic = vap->iv_ic;
1966 ifp = ic->ic_ifp;
1967 sc = ifp->if_softc;
1968 rvap = (struct rt2860_softc_vap *) vap;
1969 opmode = vap->iv_opmode;
1970
1971 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1972 "%s: VAP delete: opmode=%s\n",
1973 device_get_nameunit(sc->dev), ieee80211_opmode_name[opmode]);
1974
1975 rt2860_amrr_cleanup(&rvap->amrr);
1976
1977 ieee80211_vap_detach(vap);
1978
1979 if (rvap->beacon_mbuf != NULL)
1980 {
1981 m_free(rvap->beacon_mbuf);
1982 rvap->beacon_mbuf = NULL;
1983 }
1984
1985 switch (opmode)
1986 {
1987 case IEEE80211_M_HOSTAP:
1988 case IEEE80211_M_MBSS:
1989 case IEEE80211_M_AHDEMO:
1990 sc->napvaps--;
1991 break;
1992
1993 case IEEE80211_M_IBSS:
1994 sc->nadhocvaps--;
1995 break;
1996
1997 case IEEE80211_M_STA:
1998 sc->nstavaps--;
1999 break;
2000
2001 case IEEE80211_M_WDS:
2002 sc->nwdsvaps--;
2003 break;
2004
2005 default:
2006 break;
2007 }
2008
2009 sc->nvaps--;
2010
2011 if (sc->napvaps > 0)
2012 ic->ic_opmode = IEEE80211_M_HOSTAP;
2013 else if (sc->nadhocvaps > 0)
2014 ic->ic_opmode = IEEE80211_M_IBSS;
2015 else if (sc->nstavaps > 0)
2016 ic->ic_opmode = IEEE80211_M_STA;
2017
2018 free(rvap, M_80211_VAP);
2019 }
2020
2021 /*
2022 * rt2860_reset_vap
2023 */
2024 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
2025 {
2026 struct rt2860_softc *sc;
2027 struct ieee80211com *ic;
2028 struct ifnet *ifp;
2029 struct rt2860_softc_vap *rvap;
2030 int error;
2031
2032 ic = vap->iv_ic;
2033 ifp = ic->ic_ifp;
2034 sc = ifp->if_softc;
2035 rvap = (struct rt2860_softc_vap *) vap;
2036
2037 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2038 "%s: VAP reset: cmd=%lu\n",
2039 device_get_nameunit(sc->dev), cmd);
2040
2041 error = 0;
2042
2043 switch (cmd)
2044 {
2045 case IEEE80211_IOC_RTSTHRESHOLD:
2046 case IEEE80211_IOC_AMSDU:
2047 rt2860_asic_update_rtsthreshold(sc);
2048 break;
2049
2050 case IEEE80211_IOC_PROTMODE:
2051 case IEEE80211_IOC_HTPROTMODE:
2052 rt2860_asic_updateprot(sc);
2053 break;
2054
2055 case IEEE80211_IOC_TXPOWER:
2056 rt2860_asic_update_txpower(sc);
2057 break;
2058
2059 case IEEE80211_IOC_BURST:
2060 rt2860_asic_updateslot(sc);
2061 break;
2062
2063 case IEEE80211_IOC_SHORTGI:
2064 case IEEE80211_IOC_AMPDU_DENSITY:
2065 case IEEE80211_IOC_SMPS:
2066 break;
2067
2068 default:
2069 error = ENETRESET;
2070 break;
2071 }
2072
2073 return error;
2074 }
2075
2076 /*
2077 * rt2860_vap_newstate
2078 */
2079 static int rt2860_vap_newstate(struct ieee80211vap *vap,
2080 enum ieee80211_state nstate, int arg)
2081 {
2082 struct rt2860_softc *sc;
2083 struct ieee80211com *ic;
2084 struct ifnet *ifp;
2085 struct rt2860_softc_vap *rvap;
2086 struct ieee80211_node *ni;
2087 enum ieee80211_state ostate;
2088 int error;
2089
2090 ic = vap->iv_ic;
2091 ifp = ic->ic_ifp;
2092 sc = ifp->if_softc;
2093 rvap = (struct rt2860_softc_vap *) vap;
2094
2095 ostate = vap->iv_state;
2096
2097 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2098 "%s: VAP newstate: %s -> %s\n",
2099 device_get_nameunit(sc->dev),
2100 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
2101
2102 error = rvap->newstate(vap, nstate, arg);
2103 if (error != 0)
2104 return error;
2105
2106 IEEE80211_UNLOCK(ic);
2107
2108 RT2860_SOFTC_LOCK(sc);
2109
2110 /* turn link LED off */
2111
2112 if (nstate != IEEE80211_S_RUN)
2113 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
2114
2115 switch (nstate)
2116 {
2117 case IEEE80211_S_INIT:
2118 rt2860_asic_disable_tsf_sync(sc);
2119 break;
2120
2121 case IEEE80211_S_RUN:
2122 ni = vap->iv_bss;
2123
2124 rt2860_rf_set_chan(sc, ni->ni_chan);
2125
2126 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2127 {
2128 rt2860_asic_enable_mrr(sc);
2129 rt2860_asic_set_txpreamble(sc);
2130 rt2860_asic_set_basicrates(sc);
2131 rt2860_asic_update_txpower(sc);
2132 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2133 }
2134
2135 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2136 vap->iv_opmode == IEEE80211_M_IBSS ||
2137 vap->iv_opmode == IEEE80211_M_MBSS)
2138 {
2139 error = rt2860_beacon_alloc(sc, vap);
2140 if (error != 0)
2141 break;
2142
2143 rt2860_asic_update_beacon(sc, vap);
2144 }
2145
2146 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2147 rt2860_asic_enable_tsf_sync(sc);
2148
2149 /* turn link LED on */
2150
2151 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2152 {
2153 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2154 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2155 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2156 }
2157 break;
2158
2159 case IEEE80211_S_SLEEP:
2160 break;
2161
2162 default:
2163 break;
2164 }
2165
2166 RT2860_SOFTC_UNLOCK(sc);
2167
2168 IEEE80211_LOCK(ic);
2169
2170 return error;
2171 }
2172
2173 /*
2174 * rt2860_vap_key_update_begin
2175 */
2176 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2177 {
2178 struct rt2860_softc *sc;
2179 struct ieee80211com *ic;
2180 struct ifnet *ifp;
2181
2182 ic = vap->iv_ic;
2183 ifp = ic->ic_ifp;
2184 sc = ifp->if_softc;
2185
2186 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2187 "%s: VAP key update begin\n",
2188 device_get_nameunit(sc->dev));
2189
2190 taskqueue_block(sc->taskqueue);
2191
2192 IF_LOCK(&ifp->if_snd);
2193 }
2194
2195 /*
2196 * rt2860_vap_key_update_end
2197 */
2198 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2199 {
2200 struct rt2860_softc *sc;
2201 struct ieee80211com *ic;
2202 struct ifnet *ifp;
2203
2204 ic = vap->iv_ic;
2205 ifp = ic->ic_ifp;
2206 sc = ifp->if_softc;
2207
2208 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2209 "%s: VAP key update end\n",
2210 device_get_nameunit(sc->dev));
2211
2212 IF_UNLOCK(&ifp->if_snd);
2213
2214 taskqueue_unblock(sc->taskqueue);
2215 }
2216
2217 /*
2218 * rt2860_vap_key_set
2219 */
2220 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2221 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2222 {
2223 struct rt2860_softc *sc;
2224 struct ieee80211com *ic;
2225 struct ifnet *ifp;
2226 struct ieee80211_node *ni;
2227 struct rt2860_softc_node *rni;
2228 uint16_t key_base, keymode_base;
2229 uint8_t mode, vapid, wcid, iv[8];
2230 uint32_t tmp;
2231
2232 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2233 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2234 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2235 return 0;
2236
2237 ic = vap->iv_ic;
2238 ifp = ic->ic_ifp;
2239 sc = ifp->if_softc;
2240
2241 switch (k->wk_cipher->ic_cipher)
2242 {
2243 case IEEE80211_CIPHER_WEP:
2244 if(k->wk_keylen < 8)
2245 mode = RT2860_REG_CIPHER_MODE_WEP40;
2246 else
2247 mode = RT2860_REG_CIPHER_MODE_WEP104;
2248 break;
2249
2250 case IEEE80211_CIPHER_TKIP:
2251 mode = RT2860_REG_CIPHER_MODE_TKIP;
2252 break;
2253
2254 case IEEE80211_CIPHER_AES_CCM:
2255 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2256 break;
2257
2258 default:
2259 return 0;
2260 }
2261
2262 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2263 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2264 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2265 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2266
2267 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2268 {
2269 /* install pairwise key */
2270
2271 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2272 rni = (struct rt2860_softc_node *) ni;
2273
2274 vapid = 0;
2275 wcid = rni->staid;
2276 key_base = RT2860_REG_PKEY(wcid);
2277
2278 ieee80211_free_node(ni);
2279
2280 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2281 {
2282 memset(iv, 0, 8);
2283
2284 iv[3] = (k->wk_keyix << 6);
2285 }
2286 else
2287 {
2288 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2289 {
2290 iv[0] = (k->wk_keytsc >> 8);
2291 iv[1] = ((iv[0] | 0x20) & 0x7f);
2292 iv[2] = k->wk_keytsc;
2293 }
2294 else
2295 {
2296 /* AES CCMP */
2297
2298 iv[0] = k->wk_keytsc;
2299 iv[1] = k->wk_keytsc >> 8;
2300 iv[2] = 0;
2301 }
2302
2303 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2304 iv[4] = (k->wk_keytsc >> 16);
2305 iv[5] = (k->wk_keytsc >> 24);
2306 iv[6] = (k->wk_keytsc >> 32);
2307 iv[7] = (k->wk_keytsc >> 40);
2308
2309 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2310 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2311 device_get_nameunit(sc->dev),
2312 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2313 }
2314
2315 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2316
2317 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2318 {
2319 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2320
2321 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2322 {
2323 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2324 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2325 }
2326 else
2327 {
2328 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2329 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2330 }
2331 }
2332 else
2333 {
2334 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2335 }
2336
2337 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2338 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2339
2340 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2341 }
2342
2343 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2344 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2345 {
2346 /* install group key */
2347
2348 vapid = 0;
2349 wcid = RT2860_WCID_MCAST;
2350 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2351 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2352
2353 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2354 {
2355 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2356
2357 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2358 {
2359 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2360 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2361 }
2362 else
2363 {
2364 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2365 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2366 }
2367 }
2368 else
2369 {
2370 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2371 }
2372
2373 tmp = rt2860_io_mac_read(sc, keymode_base);
2374
2375 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2376 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2377
2378 rt2860_io_mac_write(sc, keymode_base, tmp);
2379
2380 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2381 {
2382 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2383 {
2384 memset(iv, 0, 8);
2385
2386 iv[3] = (k->wk_keyix << 6);
2387 }
2388 else
2389 {
2390 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2391 {
2392 iv[0] = (k->wk_keytsc >> 8);
2393 iv[1] = ((iv[0] | 0x20) & 0x7f);
2394 iv[2] = k->wk_keytsc;
2395 }
2396 else
2397 {
2398 /* AES CCMP */
2399
2400 iv[0] = k->wk_keytsc;
2401 iv[1] = k->wk_keytsc >> 8;
2402 iv[2] = 0;
2403 }
2404
2405 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2406 iv[4] = (k->wk_keytsc >> 16);
2407 iv[5] = (k->wk_keytsc >> 24);
2408 iv[6] = (k->wk_keytsc >> 32);
2409 iv[7] = (k->wk_keytsc >> 40);
2410
2411 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2412 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2413 device_get_nameunit(sc->dev),
2414 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2415 }
2416
2417 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2418
2419 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2420 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2421
2422 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2423 }
2424 }
2425
2426 return 1;
2427 }
2428
2429 /*
2430 * rt2860_vap_key_delete
2431 */
2432 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2433 const struct ieee80211_key *k)
2434 {
2435 struct rt2860_softc *sc;
2436 struct ieee80211com *ic;
2437 struct ifnet *ifp;
2438 uint8_t vapid, wcid;
2439 uint32_t tmp;
2440
2441 ic = vap->iv_ic;
2442 ifp = ic->ic_ifp;
2443 sc = ifp->if_softc;
2444
2445 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2446 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
2447 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2448 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2449
2450 if (k->wk_flags & IEEE80211_KEY_GROUP)
2451 {
2452 /* remove group key */
2453
2454 vapid = 0;
2455 wcid = RT2860_WCID_MCAST;
2456
2457 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2458
2459 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2460 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2461
2462 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2463
2464 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2465 {
2466 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2467 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2468
2469 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2470 }
2471 }
2472
2473 return 1;
2474 }
2475
2476 /*
2477 * rt2860_vap_update_beacon
2478 */
2479 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2480 {
2481 struct rt2860_softc *sc;
2482 struct ieee80211com *ic;
2483 struct ifnet *ifp;
2484 struct rt2860_softc_vap *rvap;
2485 struct mbuf *m;
2486 struct ieee80211_beacon_offsets *bo;
2487 int error;
2488
2489 ic = vap->iv_ic;
2490 ifp = ic->ic_ifp;
2491 sc = ifp->if_softc;
2492 rvap = (struct rt2860_softc_vap *) vap;
2493 m = rvap->beacon_mbuf;
2494 bo = &rvap->beacon_offsets;
2495
2496 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2497 "%s: VAP update beacon: what=%d\n",
2498 device_get_nameunit(sc->dev), what);
2499
2500 setbit(bo->bo_flags, what);
2501
2502 if (m == NULL)
2503 {
2504 error = rt2860_beacon_alloc(sc, vap);
2505 if (error != 0)
2506 return;
2507
2508 m = rvap->beacon_mbuf;
2509 }
2510
2511 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2512
2513 rt2860_asic_update_beacon(sc, vap);
2514 }
2515
2516 /*
2517 * rt2860_media_change
2518 */
2519 static int rt2860_media_change(struct ifnet *ifp)
2520 {
2521 int error;
2522
2523 error = ieee80211_media_change(ifp);
2524
2525 return (error == ENETRESET ? 0 : error);
2526 }
2527
2528 /*
2529 * rt2860_node_alloc
2530 */
2531 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2532 const uint8_t mac[IEEE80211_ADDR_LEN])
2533 {
2534 return malloc(sizeof(struct rt2860_softc_node),
2535 M_80211_NODE, M_NOWAIT | M_ZERO);
2536 }
2537
2538 /*
2539 * rt2860_node_cleanup
2540 */
2541 static void rt2860_node_cleanup(struct ieee80211_node *ni)
2542 {
2543 struct rt2860_softc *sc;
2544 struct ieee80211com *ic;
2545 struct ifnet *ifp;
2546 struct rt2860_softc_node *rni;
2547 uint8_t vapid, wcid;
2548 uint32_t tmp;
2549
2550 ic = ni->ni_ic;
2551 ifp = ic->ic_ifp;
2552 sc = ifp->if_softc;
2553 rni = (struct rt2860_softc_node *) ni;
2554
2555 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2556 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2557 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2558 ni->ni_associd, rni->staid);
2559
2560 if (rni->staid != 0)
2561 {
2562 vapid = 0;
2563 wcid = rni->staid;
2564
2565 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2566 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2567
2568 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2569
2570 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0x00000000);
2571 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, 0x00000000);
2572
2573 rt2860_staid_delete(sc, rni->staid);
2574
2575 rni->staid = 0;
2576 }
2577
2578 sc->node_cleanup(ni);
2579 }
2580
2581 /*
2582 * rt2860_node_getmimoinfo
2583 */
2584 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
2585 struct ieee80211_mimo_info *mi)
2586 {
2587 const struct rt2860_softc_node *rni;
2588 int i;
2589
2590 rni = (const struct rt2860_softc_node *) ni;
2591
2592 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
2593 {
2594 mi->rssi[i] = rni->last_rssi_dbm[i];
2595 mi->noise[i] = RT2860_NOISE_FLOOR;
2596 }
2597 }
2598
2599 /*
2600 * rt2860_setregdomain
2601 */
2602 static int rt2860_setregdomain(struct ieee80211com *ic,
2603 struct ieee80211_regdomain *reg,
2604 int nchans, struct ieee80211_channel chans[])
2605 {
2606 struct rt2860_softc *sc;
2607 struct ifnet *ifp;
2608
2609 ifp = ic->ic_ifp;
2610 sc = ifp->if_softc;
2611
2612 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2613 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2614 device_get_nameunit(sc->dev),
2615 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2616
2617 return 0;
2618 }
2619
2620 /*
2621 * rt2860_getradiocaps
2622 */
2623 static void rt2860_getradiocaps(struct ieee80211com *ic,
2624 int maxchans, int *nchans, struct ieee80211_channel chans[])
2625 {
2626 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2627
2628 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2629 }
2630
2631 /*
2632 * rt2860_scan_start
2633 */
2634 static void rt2860_scan_start(struct ieee80211com *ic)
2635 {
2636 struct rt2860_softc *sc;
2637 struct ifnet *ifp;
2638
2639 ifp = ic->ic_ifp;
2640 sc = ifp->if_softc;
2641
2642 rt2860_asic_disable_tsf_sync(sc);
2643 }
2644
2645 /*
2646 * rt2860_scan_end
2647 */
2648 static void rt2860_scan_end(struct ieee80211com *ic)
2649 {
2650 struct rt2860_softc *sc;
2651 struct ifnet *ifp;
2652
2653 ifp = ic->ic_ifp;
2654 sc = ifp->if_softc;
2655
2656 rt2860_asic_enable_tsf_sync(sc);
2657 }
2658
2659 /*
2660 * rt2860_set_channel
2661 */
2662 static void rt2860_set_channel(struct ieee80211com *ic)
2663 {
2664 struct rt2860_softc *sc;
2665 struct ifnet *ifp;
2666
2667 ifp = ic->ic_ifp;
2668 sc = ifp->if_softc;
2669
2670 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2671 "%s: set channel: channel=%u, HT%s%s\n",
2672 device_get_nameunit(sc->dev),
2673 ieee80211_chan2ieee(ic, ic->ic_curchan),
2674 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2675 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2676 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2677 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2678
2679 RT2860_SOFTC_LOCK(sc);
2680
2681 rt2860_rf_set_chan(sc, ic->ic_curchan);
2682
2683 RT2860_SOFTC_UNLOCK(sc);
2684 }
2685
2686 /*
2687 * rt2860_newassoc
2688 */
2689 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2690 {
2691 struct rt2860_softc *sc;
2692 struct ieee80211com *ic;
2693 struct ifnet *ifp;
2694 struct ieee80211vap *vap;
2695 struct rt2860_softc_vap *rvap;
2696 struct rt2860_softc_node *rni;
2697 uint16_t aid;
2698 uint8_t wcid;
2699 uint32_t tmp;
2700
2701 vap = ni->ni_vap;
2702 ic = vap->iv_ic;
2703 ifp = ic->ic_ifp;
2704 sc = ifp->if_softc;
2705 rvap = (struct rt2860_softc_vap *) vap;
2706 rni = (struct rt2860_softc_node *) ni;
2707
2708 if (isnew)
2709 {
2710 aid = IEEE80211_AID(ni->ni_associd);
2711 rni->staid = rt2860_staid_alloc(sc, aid);
2712 wcid = rni->staid;
2713
2714 tmp = (ni->ni_macaddr[3] << 24) |
2715 (ni->ni_macaddr[2] << 16) |
2716 (ni->ni_macaddr[1] << 8) |
2717 ni->ni_macaddr[0];
2718
2719 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), tmp);
2720
2721 tmp = (ni->ni_macaddr[5] << 8) |
2722 ni->ni_macaddr[4];
2723
2724 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2725
2726 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2727
2728 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2729 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2730 device_get_nameunit(sc->dev),
2731 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2732 ni->ni_associd, ni->ni_txrate,
2733 (ni->ni_flags & IEEE80211_NODE_HT) ?
2734 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2735 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2736
2737 rt2860_asic_updateprot(sc);
2738 rt2860_asic_updateslot(sc);
2739 rt2860_asic_set_txpreamble(sc);
2740 }
2741
2742 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2743 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2744 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2745 ni->ni_associd, rni->staid,
2746 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2747 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2748 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2749 }
2750
2751 /*
2752 * rt2860_updateslot
2753 */
2754 static void rt2860_updateslot(struct ifnet *ifp)
2755 {
2756 struct rt2860_softc *sc;
2757
2758 sc = ifp->if_softc;
2759
2760 rt2860_asic_updateslot(sc);
2761 }
2762
2763 /*
2764 * rt2860_update_promisc
2765 */
2766 static void rt2860_update_promisc(struct ifnet *ifp)
2767 {
2768 struct rt2860_softc *sc;
2769
2770 sc = ifp->if_softc;
2771
2772 rt2860_asic_update_promisc(sc);
2773 }
2774
2775 /*
2776 * rt2860_update_mcast
2777 */
2778 static void rt2860_update_mcast(struct ifnet *ifp)
2779 {
2780 struct rt2860_softc *sc;
2781
2782 sc = ifp->if_softc;
2783 }
2784
2785 /*
2786 * rt2860_wme_update
2787 */
2788 static int rt2860_wme_update(struct ieee80211com *ic)
2789 {
2790 struct rt2860_softc *sc;
2791 struct ifnet *ifp;
2792
2793 ifp = ic->ic_ifp;
2794 sc = ifp->if_softc;
2795
2796 rt2860_asic_wme_update(sc);
2797
2798 return 0;
2799 }
2800
2801 /*
2802 * rt2860_raw_xmit
2803 */
2804 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2805 const struct ieee80211_bpf_params *params)
2806 {
2807 struct rt2860_softc *sc;
2808 struct ieee80211com *ic;
2809 struct ifnet *ifp;
2810
2811 ic = ni->ni_ic;
2812 ifp = ic->ic_ifp;
2813 sc = ifp->if_softc;
2814
2815 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2816 {
2817 m_freem(m);
2818 ieee80211_free_node(ni);
2819
2820 return ENETDOWN;
2821 }
2822
2823 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2824
2825 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2826 {
2827 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2828
2829 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2830 "%s: raw xmit: Tx ring with qid=%d is full\n",
2831 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2832
2833 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2834
2835 m_freem(m);
2836 ieee80211_free_node(ni);
2837
2838 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2839
2840 return ENOBUFS;
2841 }
2842
2843 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2844 {
2845 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2846
2847 ifp->if_oerrors++;
2848
2849 ieee80211_free_node(ni);
2850
2851 return EIO;
2852 }
2853
2854 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2855
2856 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2857
2858 return 0;
2859 }
2860
2861 /*
2862 * rt2860_recv_action
2863 */
2864 static int rt2860_recv_action(struct ieee80211_node *ni,
2865 const struct ieee80211_frame *wh,
2866 const uint8_t *frm, const uint8_t *efrm)
2867 {
2868 struct rt2860_softc *sc;
2869 struct ieee80211com *ic;
2870 struct ifnet *ifp;
2871 struct rt2860_softc_node *rni;
2872 const struct ieee80211_action *ia;
2873 uint16_t baparamset;
2874 uint8_t wcid;
2875 int tid;
2876
2877 ic = ni->ni_ic;
2878 ifp = ic->ic_ifp;
2879 sc = ifp->if_softc;
2880 rni = (struct rt2860_softc_node *) ni;
2881
2882 ia = (const struct ieee80211_action *) frm;
2883
2884 if (ia->ia_category == IEEE80211_ACTION_CAT_BA)
2885 {
2886 switch (ia->ia_action)
2887 {
2888 /* IEEE80211_ACTION_BA_DELBA */
2889 case IEEE80211_ACTION_BA_DELBA:
2890 baparamset = LE_READ_2(frm + 2);
2891 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2892 wcid = rni->staid;
2893
2894 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2895 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2896 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2897
2898 if (rni->staid != 0)
2899 rt2860_asic_del_ba_session(sc, wcid, tid);
2900 break;
2901 }
2902 }
2903
2904 return sc->recv_action(ni, wh, frm, efrm);
2905 }
2906
2907 /*
2908 * rt2860_send_action
2909 */
2910 static int rt2860_send_action(struct ieee80211_node *ni,
2911 int cat, int act, void *sa)
2912 {
2913 struct rt2860_softc *sc;
2914 struct ieee80211com *ic;
2915 struct ifnet *ifp;
2916 struct rt2860_softc_node *rni;
2917 uint16_t *args, status, baparamset;
2918 uint8_t wcid;
2919 int tid, bufsize;
2920
2921 ic = ni->ni_ic;
2922 ifp = ic->ic_ifp;
2923 sc = ifp->if_softc;
2924 rni = (struct rt2860_softc_node *) ni;
2925
2926 wcid = rni->staid;
2927 args = sa;
2928
2929 if (cat == IEEE80211_ACTION_CAT_BA)
2930 {
2931 switch (act)
2932 {
2933 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2934 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2935 status = args[1];
2936 baparamset = args[2];
2937 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2938 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2939
2940 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2941 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2942 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2943
2944 if (status == IEEE80211_STATUS_SUCCESS)
2945 rt2860_asic_add_ba_session(sc, wcid, tid);
2946 break;
2947
2948 /* IEEE80211_ACTION_BA_DELBA */
2949 case IEEE80211_ACTION_BA_DELBA:
2950 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2951 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2952
2953 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2954 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2955 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2956
2957 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2958 rt2860_asic_del_ba_session(sc, wcid, tid);
2959 break;
2960 }
2961 }
2962
2963 return sc->send_action(ni, cat, act, sa);
2964 }
2965
2966 /*
2967 * rt2860_addba_response
2968 */
2969 static int rt2860_addba_response(struct ieee80211_node *ni,
2970 struct ieee80211_tx_ampdu *tap,
2971 int status, int baparamset, int batimeout)
2972 {
2973 struct rt2860_softc *sc;
2974 struct ieee80211com *ic;
2975 struct ifnet *ifp;
2976 struct rt2860_softc_node *rni;
2977 ieee80211_seq seqno;
2978 int ret, tid, old_bufsize, new_bufsize;
2979
2980 ic = ni->ni_ic;
2981 ifp = ic->ic_ifp;
2982 sc = ifp->if_softc;
2983 rni = (struct rt2860_softc_node *) ni;
2984
2985 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2986 old_bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2987 new_bufsize = old_bufsize;
2988
2989 if (status == IEEE80211_STATUS_SUCCESS)
2990 {
2991 if (sc->mac_rev >= 0x28830300)
2992 {
2993 if (sc->mac_rev >= 0x30700200)
2994 new_bufsize = 13;
2995 else
2996 new_bufsize = 31;
2997 }
2998 else if (sc->mac_rev >= 0x28720200)
2999 {
3000 new_bufsize = 13;
3001 }
3002 else
3003 {
3004 new_bufsize = 7;
3005 }
3006
3007 if (old_bufsize > new_bufsize)
3008 {
3009 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
3010 baparamset = RT2860_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
3011 }
3012
3013 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
3014 {
3015 sc->tx_ampdu_sessions++;
3016
3017 if (sc->tx_ampdu_sessions == 1)
3018 rt2860_asic_updateprot(sc);
3019 }
3020 }
3021
3022 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3023 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
3024 "old bufsize=%d, new bufsize=%d\n",
3025 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
3026 old_bufsize, new_bufsize);
3027
3028 ret = sc->addba_response(ni, tap, status, baparamset, batimeout);
3029
3030 if (status == IEEE80211_STATUS_SUCCESS)
3031 {
3032 seqno = ni->ni_txseqs[tid];
3033
3034 rt2860_send_bar(ni, tap, seqno);
3035 }
3036
3037 return ret;
3038 }
3039
3040 /*
3041 * rt2860_addba_stop
3042 */
3043 static void rt2860_addba_stop(struct ieee80211_node *ni,
3044 struct ieee80211_tx_ampdu *tap)
3045 {
3046 struct rt2860_softc *sc;
3047 struct ieee80211com *ic;
3048 struct ifnet *ifp;
3049 struct rt2860_softc_node *rni;
3050 int tid;
3051
3052 ic = ni->ni_ic;
3053 ifp = ic->ic_ifp;
3054 sc = ifp->if_softc;
3055 rni = (struct rt2860_softc_node *) ni;
3056
3057 tid = WME_AC_TO_TID(tap->txa_ac);
3058
3059 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3060 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
3061 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
3062
3063 if (tap->txa_flags & IEEE80211_AGGR_RUNNING)
3064 {
3065 if (sc->tx_ampdu_sessions > 0)
3066 {
3067 sc->tx_ampdu_sessions--;
3068
3069 if (sc->tx_ampdu_sessions == 0)
3070 rt2860_asic_updateprot(sc);
3071 }
3072 else
3073 {
3074 printf("%s: number of A-MPDU Tx sessions cannot be negative\n",
3075 device_get_nameunit(sc->dev));
3076 }
3077 }
3078
3079 sc->addba_stop(ni, tap);
3080 }
3081
3082 /*
3083 * rt2860_ampdu_rx_start
3084 */
3085 static int rt2860_ampdu_rx_start(struct ieee80211_node *ni,
3086 struct ieee80211_rx_ampdu *rap,
3087 int baparamset, int batimeout, int baseqctl)
3088 {
3089 struct rt2860_softc *sc;
3090 struct ieee80211com *ic;
3091 struct ifnet *ifp;
3092 struct rt2860_softc_node *rni;
3093 int tid;
3094
3095 ic = ni->ni_ic;
3096 ifp = ic->ic_ifp;
3097 sc = ifp->if_softc;
3098 rni = (struct rt2860_softc_node *) ni;
3099
3100 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
3101
3102 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3103 "%s: starting A-MPDU Rx: associd=0x%04x, staid=0x%02x, tid=%d\n",
3104 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
3105
3106 if (!(rap->rxa_flags & IEEE80211_AGGR_RUNNING))
3107 sc->rx_ampdu_sessions++;
3108
3109 return sc->ampdu_rx_start(ni, rap, baparamset, batimeout, baseqctl);
3110 }
3111
3112 /*
3113 * rt2860_ampdu_rx_stop
3114 */
3115 static void rt2860_ampdu_rx_stop(struct ieee80211_node *ni,
3116 struct ieee80211_rx_ampdu *rap)
3117 {
3118 struct rt2860_softc *sc;
3119 struct ieee80211com *ic;
3120 struct ifnet *ifp;
3121 struct rt2860_softc_node *rni;
3122
3123 ic = ni->ni_ic;
3124 ifp = ic->ic_ifp;
3125 sc = ifp->if_softc;
3126 rni = (struct rt2860_softc_node *) ni;
3127
3128 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3129 "%s: stopping A-MPDU Rx: associd=0x%04x, staid=0x%02x\n",
3130 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid);
3131
3132 if (rap->rxa_flags & IEEE80211_AGGR_RUNNING)
3133 {
3134 if (sc->rx_ampdu_sessions > 0)
3135 sc->rx_ampdu_sessions--;
3136 else
3137 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
3138 device_get_nameunit(sc->dev));
3139 }
3140
3141 sc->ampdu_rx_stop(ni, rap);
3142 }
3143
3144 /*
3145 * rt2860_send_bar
3146 */
3147 static int rt2860_send_bar(struct ieee80211_node *ni,
3148 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
3149 {
3150 struct rt2860_softc *sc;
3151 struct ieee80211com *ic;
3152 struct ifnet *ifp;
3153 struct ieee80211vap *vap;
3154 struct ieee80211_frame_bar *bar;
3155 struct rt2860_softc_node *rni;
3156 struct mbuf *m;
3157 uint16_t barctl, barseqctl;
3158 uint8_t *frm;
3159 int ret, tid;
3160
3161 ic = ni->ni_ic;
3162 ifp = ic->ic_ifp;
3163 sc = ifp->if_softc;
3164 vap = ni->ni_vap;
3165 rni = (struct rt2860_softc_node *) ni;
3166
3167 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
3168 return EINVAL;
3169
3170 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
3171 if (m == NULL)
3172 return ENOMEM;
3173
3174 bar = mtod(m, struct ieee80211_frame_bar *);
3175
3176 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
3177 bar->i_fc[1] = 0;
3178
3179 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
3180 IEEE80211_ADDR_COPY(bar->i_ta, vap->iv_myaddr);
3181
3182 tid = WME_AC_TO_TID(tap->txa_ac);
3183
3184 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
3185 IEEE80211_BAR_COMP |
3186 RT2860_SM(tid, IEEE80211_BAR_TID);
3187 barseqctl = RT2860_SM(seqno, IEEE80211_BAR_SEQ_START);
3188
3189 bar->i_ctl = htole16(barctl);
3190 bar->i_seq = htole16(barseqctl);
3191
3192 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
3193
3194 tap->txa_start = seqno;
3195
3196 ieee80211_ref_node(ni);
3197
3198 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3199 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
3200 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
3201
3202 ret = ic->ic_raw_xmit(ni, m, NULL);
3203 if (ret != 0)
3204 ieee80211_free_node(ni);
3205
3206 return ret;
3207 }
3208
3209 /*
3210 * rt2860_amrr_update_iter_func
3211 */
3212 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
3213 {
3214 struct rt2860_softc *sc;
3215 struct ieee80211com *ic;
3216 struct ifnet *ifp;
3217 struct ieee80211vap *vap;
3218 struct rt2860_softc_vap *rvap;
3219 struct rt2860_softc_node *rni;
3220 uint8_t wcid;
3221
3222 vap = arg;
3223 ic = vap->iv_ic;
3224 ifp = ic->ic_ifp;
3225 sc = ifp->if_softc;
3226 rvap = (struct rt2860_softc_vap *) vap;
3227 rni = (struct rt2860_softc_node *) ni;
3228
3229 /* only associated stations */
3230
3231 if ((ni->ni_vap == vap) && (rni->staid != 0))
3232 {
3233 wcid = rni->staid;
3234
3235 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3236 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3237 device_get_nameunit(sc->dev),
3238 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3239
3240 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
3241
3242 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3243 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3244 device_get_nameunit(sc->dev),
3245 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3246 ni->ni_associd, rni->staid, ni->ni_txrate,
3247 (ni->ni_flags & IEEE80211_NODE_HT) ?
3248 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3249 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3250 }
3251 }
3252
3253 /*
3254 * rt2860_periodic
3255 */
3256 static void rt2860_periodic(void *arg)
3257 {
3258 struct rt2860_softc *sc;
3259
3260 sc = arg;
3261
3262 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
3263 "%s: periodic\n",
3264 device_get_nameunit(sc->dev));
3265
3266 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3267 }
3268
3269 /*
3270 * rt2860_tx_watchdog
3271 */
3272 static void rt2860_tx_watchdog(void *arg)
3273 {
3274 struct rt2860_softc *sc;
3275 struct ifnet *ifp;
3276
3277 sc = arg;
3278 ifp = sc->ifp;
3279
3280 if (sc->tx_timer == 0)
3281 return;
3282
3283 if (--sc->tx_timer == 0)
3284 {
3285 printf("%s: Tx watchdog timeout: resetting\n",
3286 device_get_nameunit(sc->dev));
3287
3288 rt2860_stop_locked(sc);
3289 rt2860_init_locked(sc);
3290
3291 ifp->if_oerrors++;
3292
3293 sc->tx_watchdog_timeouts++;
3294 }
3295
3296 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
3297 }
3298
3299 /*
3300 * rt2860_staid_alloc
3301 */
3302 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
3303 {
3304 int staid;
3305
3306 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3307 {
3308 staid = aid;
3309 }
3310 else
3311 {
3312 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
3313 {
3314 if (isclr(sc->staid_mask, staid))
3315 break;
3316 }
3317 }
3318
3319 setbit(sc->staid_mask, staid);
3320
3321 return staid;
3322 }
3323
3324 /*
3325 * rt2860_staid_delete
3326 */
3327 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
3328 {
3329 clrbit(sc->staid_mask, staid);
3330 }
3331
3332 /*
3333 * rt2860_asic_set_bssid
3334 */
3335 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
3336 const uint8_t *bssid)
3337 {
3338 uint32_t tmp;
3339
3340 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3341 "%s: set bssid: bssid=%s\n",
3342 device_get_nameunit(sc->dev),
3343 ether_sprintf(bssid));
3344
3345 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3346
3347 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
3348
3349 tmp = bssid[4] | (bssid[5] << 8);
3350
3351 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
3352 }
3353
3354 /*
3355 * rt2860_asic_set_macaddr
3356 */
3357 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
3358 const uint8_t *addr)
3359 {
3360 uint32_t tmp;
3361
3362 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3363
3364 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
3365
3366 tmp = addr[4] | (addr[5] << 8) | (0xff << 16);
3367
3368 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
3369 }
3370
3371 /*
3372 * rt2860_asic_enable_tsf_sync
3373 */
3374 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
3375 {
3376 struct ifnet *ifp;
3377 struct ieee80211com *ic;
3378 struct ieee80211vap *vap;
3379 uint32_t tmp;
3380
3381 ifp = sc->ifp;
3382 ic = ifp->if_l2com;
3383 vap = TAILQ_FIRST(&ic->ic_vaps);
3384
3385 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3386 "%s: enabling TSF\n",
3387 device_get_nameunit(sc->dev));
3388
3389 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3390
3391 tmp &= ~0x1fffff;
3392 tmp |= vap->iv_bss->ni_intval * 16;
3393 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3394
3395 if (vap->iv_opmode == IEEE80211_M_STA)
3396 {
3397 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3398 }
3399 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3400 {
3401 tmp |= RT2860_REG_BCN_TX_ENABLE;
3402 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3403 }
3404 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3405 {
3406 tmp |= RT2860_REG_BCN_TX_ENABLE;
3407 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3408 }
3409
3410 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3411 }
3412
3413 /*
3414 * rt2860_asic_disable_tsf_sync
3415 */
3416 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3417 {
3418 uint32_t tmp;
3419
3420 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3421 "%s: disabling TSF\n",
3422 device_get_nameunit(sc->dev));
3423
3424 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3425
3426 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3427 RT2860_REG_TSF_TIMER_ENABLE |
3428 RT2860_REG_TBTT_TIMER_ENABLE);
3429
3430 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3431 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3432
3433 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3434 }
3435
3436 /*
3437 * rt2860_asic_enable_mrr
3438 */
3439 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3440 {
3441 #define CCK(mcs) (mcs)
3442 #define OFDM(mcs) ((1 << 3) | (mcs))
3443 #define HT(mcs) (mcs)
3444
3445 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3446 (OFDM(6) << 28) | /* 54 -> 48 */
3447 (OFDM(5) << 24) | /* 48 -> 36 */
3448 (OFDM(4) << 20) | /* 36 -> 24 */
3449 (OFDM(3) << 16) | /* 24 -> 18 */
3450 (OFDM(2) << 12) | /* 18 -> 12 */
3451 (OFDM(1) << 8) | /* 12 -> 9 */
3452 (OFDM(0) << 4) | /* 9 -> 6 */
3453 OFDM(0)); /* 6 -> 6 */
3454
3455 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3456 (CCK(2) << 12) | /* 11 -> 5.5 */
3457 (CCK(1) << 8) | /* 5.5 -> 2 */
3458 (CCK(0) << 4) | /* 2 -> 1 */
3459 CCK(0)); /* 1 -> 1 */
3460
3461 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3462 (HT(6) << 28) |
3463 (HT(5) << 24) |
3464 (HT(4) << 20) |
3465 (HT(3) << 16) |
3466 (HT(2) << 12) |
3467 (HT(1) << 8) |
3468 (HT(0) << 4) |
3469 HT(0));
3470
3471 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3472 (HT(14) << 28) |
3473 (HT(13) << 24) |
3474 (HT(12) << 20) |
3475 (HT(11) << 16) |
3476 (HT(10) << 12) |
3477 (HT(9) << 8) |
3478 (HT(8) << 4) |
3479 HT(7));
3480
3481 #undef HT
3482 #undef OFDM
3483 #undef CCK
3484 }
3485
3486 /*
3487 * rt2860_asic_set_txpreamble
3488 */
3489 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3490 {
3491 struct ifnet *ifp;
3492 struct ieee80211com *ic;
3493 uint32_t tmp;
3494
3495 ifp = sc->ifp;
3496 ic = ifp->if_l2com;
3497
3498 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3499 "%s: %s short Tx preamble\n",
3500 device_get_nameunit(sc->dev),
3501 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3502
3503 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3504
3505 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3506
3507 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3508 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3509
3510 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3511 }
3512
3513 /*
3514 * rt2860_asic_set_basicrates
3515 */
3516 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3517 {
3518 struct ifnet *ifp;
3519 struct ieee80211com *ic;
3520
3521 ifp = sc->ifp;
3522 ic = ifp->if_l2com;
3523
3524 if (ic->ic_curmode == IEEE80211_MODE_11B)
3525 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0xf);
3526 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3527 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3528 else
3529 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3530 }
3531
3532 /*
3533 * rt2860_asic_update_rtsthreshold
3534 */
3535 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3536 {
3537 struct ifnet *ifp;
3538 struct ieee80211com *ic;
3539 struct ieee80211vap *vap;
3540 uint32_t tmp;
3541 uint16_t threshold;
3542
3543 ifp = sc->ifp;
3544 ic = ifp->if_l2com;
3545 vap = TAILQ_FIRST(&ic->ic_vaps);
3546
3547 if (vap == NULL)
3548 threshold = IEEE80211_RTS_MAX;
3549 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3550 threshold = 0x1000;
3551 else
3552 threshold = vap->iv_rtsthreshold;
3553
3554 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3555 "%s: updating RTS threshold: %d\n",
3556 device_get_nameunit(sc->dev), threshold);
3557
3558 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3559
3560 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3561
3562 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3563 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3564
3565 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3566 }
3567
3568 /*
3569 * rt2860_asic_update_txpower
3570 */
3571 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3572 {
3573 struct ifnet *ifp;
3574 struct ieee80211com *ic;
3575 uint32_t *txpow_rate;
3576 int8_t delta;
3577 uint8_t val;
3578 uint32_t tmp;
3579 int i;
3580
3581 ifp = sc->ifp;
3582 ic = ifp->if_l2com;
3583
3584 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3585 "%s: updating Tx power: %d\n",
3586 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3587
3588 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3589 {
3590 txpow_rate = sc->txpow_rate_20mhz;
3591 }
3592 else
3593 {
3594 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3595 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3596 else
3597 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3598 }
3599
3600 delta = 0;
3601
3602 val = rt2860_io_bbp_read(sc, 1);
3603 val &= 0xfc;
3604
3605 if (ic->ic_txpowlimit > 90)
3606 {
3607 /* do nothing */
3608 }
3609 else if (ic->ic_txpowlimit > 60)
3610 {
3611 delta -= 1;
3612 }
3613 else if (ic->ic_txpowlimit > 30)
3614 {
3615 delta -= 3;
3616 }
3617 else if (ic->ic_txpowlimit > 15)
3618 {
3619 val |= 0x1;
3620 }
3621 else if (ic->ic_txpowlimit > 9)
3622 {
3623 val |= 0x1;
3624 delta -= 3;
3625 }
3626 else
3627 {
3628 val |= 0x2;
3629 }
3630
3631 rt2860_io_bbp_write(sc, 1, val);
3632
3633 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3634 {
3635 if (txpow_rate[i] == 0xffffffff)
3636 continue;
3637
3638 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3639
3640 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3641 }
3642 }
3643
3644 /*
3645 * rt2860_asic_update_promisc
3646 */
3647 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3648 {
3649 struct ifnet *ifp;
3650 uint32_t tmp;
3651
3652 ifp = sc->ifp;
3653
3654 printf("%s: %s promiscuous mode\n",
3655 device_get_nameunit(sc->dev),
3656 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3657
3658 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3659
3660 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3661
3662 if (!(ifp->if_flags & IFF_PROMISC))
3663 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3664
3665 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3666 }
3667
3668 /*
3669 * rt2860_asic_updateprot
3670 */
3671 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3672 {
3673 struct ifnet *ifp;
3674 struct ieee80211com *ic;
3675 struct ieee80211vap *vap;
3676 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3677 uint8_t htopmode;
3678 enum ieee80211_protmode htprotmode;
3679
3680 ifp = sc->ifp;
3681 ic = ifp->if_l2com;
3682 vap = TAILQ_FIRST(&ic->ic_vaps);
3683
3684 /* CCK frame protection */
3685
3686 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3687 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3688
3689 /* set up protection frame phy mode and rate (MCS code) */
3690
3691 if (ic->ic_curmode == IEEE80211_MODE_11A)
3692 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3693 (0 << RT2860_REG_PROT_MCS_SHIFT);
3694 else
3695 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3696 (3 << RT2860_REG_PROT_MCS_SHIFT));
3697
3698 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3699
3700 /* OFDM frame protection */
3701
3702 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3703 RT2860_REG_TXOP_ALLOW_ALL;
3704
3705 if (ic->ic_flags & IEEE80211_F_USEPROT)
3706 {
3707 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3708 "%s: updating protection mode: b/g protection mode=%s\n",
3709 device_get_nameunit(sc->dev),
3710 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3711 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3712
3713 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3714 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3715 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3716 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3717 else
3718 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3719 }
3720 else
3721 {
3722 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3723 "%s: updating protection mode: b/g protection mode=%s\n",
3724 device_get_nameunit(sc->dev), "none");
3725
3726 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3727 }
3728
3729 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3730
3731 /* HT frame protection */
3732
3733 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3734 htopmode = vap->iv_bss->ni_htopmode;
3735 else
3736 htopmode = ic->ic_curhtprotmode;
3737
3738 htprotmode = ic->ic_htprotmode;
3739
3740 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3741
3742 if (sc->tx_ampdu_sessions > 0)
3743 {
3744 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3745 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3746 device_get_nameunit(sc->dev));
3747
3748 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3749 htprotmode = IEEE80211_PROT_RTSCTS;
3750 }
3751
3752 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3753 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3754 device_get_nameunit(sc->dev),
3755 htopmode & IEEE80211_HTINFO_OPMODE,
3756 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3757 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3758
3759 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3760 {
3761 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3762 case IEEE80211_HTINFO_OPMODE_HT20PR:
3763 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3764 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3765 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3766 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3767 (4 << RT2860_REG_PROT_MCS_SHIFT);
3768
3769 gf20_prot = mm20_prot;
3770
3771 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3772 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3773 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3774
3775 if (htprotmode == IEEE80211_PROT_RTSCTS)
3776 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3777 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3778 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3779 else
3780 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3781
3782 gf40_prot = mm40_prot;
3783 break;
3784
3785 /* IEEE80211_HTINFO_OPMODE_MIXED */
3786 case IEEE80211_HTINFO_OPMODE_MIXED:
3787 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3788 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3789 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3790
3791 if (ic->ic_flags & IEEE80211_F_USEPROT)
3792 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3793 (3 << RT2860_REG_PROT_MCS_SHIFT);
3794 else
3795 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3796 (4 << RT2860_REG_PROT_MCS_SHIFT);
3797
3798 if (htprotmode == IEEE80211_PROT_RTSCTS)
3799 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3800 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3801 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3802 else
3803 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3804
3805 gf20_prot = mm20_prot;
3806
3807 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3808
3809 if (ic->ic_flags & IEEE80211_F_USEPROT)
3810 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3811 (3 << RT2860_REG_PROT_MCS_SHIFT);
3812 else
3813 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3814 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3815
3816 if (htprotmode == IEEE80211_PROT_RTSCTS)
3817 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3818 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3819 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3820 else
3821 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3822
3823 gf40_prot = mm40_prot;
3824 break;
3825
3826 /*
3827 * IEEE80211_HTINFO_OPMODE_PURE
3828 * IEEE80211_HTINFO_OPMODE_PROTOPT
3829 */
3830 case IEEE80211_HTINFO_OPMODE_PURE:
3831 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3832 default:
3833 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3834 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3835 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3836 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3837 (4 << RT2860_REG_PROT_MCS_SHIFT);
3838
3839 gf20_prot = mm20_prot;
3840
3841 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3842 RT2860_REG_TXOP_ALLOW_ALL |
3843 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3844 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3845
3846 gf40_prot = mm40_prot;
3847 break;
3848 }
3849
3850 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3851 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3852 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3853 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3854 }
3855
3856 /*
3857 * rt2860_asic_updateslot
3858 */
3859 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3860 {
3861 struct ifnet *ifp;
3862 struct ieee80211com *ic;
3863 struct ieee80211vap *vap;
3864 uint32_t tmp;
3865
3866 ifp = sc->ifp;
3867 ic = ifp->if_l2com;
3868 vap = TAILQ_FIRST(&ic->ic_vaps);
3869
3870 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3871 "%s: %s short slot time\n",
3872 device_get_nameunit(sc->dev),
3873 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3874 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3875
3876 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3877
3878 tmp &= ~0xff;
3879
3880 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3881 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3882 tmp |= IEEE80211_DUR_SHSLOT;
3883 else
3884 tmp |= IEEE80211_DUR_SLOT;
3885
3886 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3887 }
3888
3889 /*
3890 * rt2860_asic_wme_update
3891 */
3892 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3893 {
3894 struct ifnet *ifp;
3895 struct ieee80211com *ic;
3896 struct ieee80211_wme_state *wme;
3897 const struct wmeParams *wmep;
3898 int i;
3899
3900 ifp = sc->ifp;
3901 ic = ifp->if_l2com;
3902 wme = &ic->ic_wme;
3903 wmep = wme->wme_chanParams.cap_wmeParams;
3904
3905 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3906 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3907 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3908 device_get_nameunit(sc->dev),
3909 wmep[WME_AC_VO].wmep_aifsn,
3910 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3911 wmep[WME_AC_VO].wmep_txopLimit,
3912 wmep[WME_AC_VI].wmep_aifsn,
3913 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3914 wmep[WME_AC_VI].wmep_txopLimit,
3915 wmep[WME_AC_BK].wmep_aifsn,
3916 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3917 wmep[WME_AC_BK].wmep_txopLimit,
3918 wmep[WME_AC_BE].wmep_aifsn,
3919 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3920 wmep[WME_AC_BE].wmep_txopLimit);
3921
3922 for (i = 0; i < WME_NUM_AC; i++)
3923 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3924 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3925 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3926
3927 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3928 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3929 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3930
3931 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3932 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3933 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3934
3935 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3936 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3937 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3938
3939 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3940 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3941
3942 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3943 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3944 }
3945
3946 /*
3947 * rt2860_asic_update_beacon
3948 */
3949 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
3950 struct ieee80211vap *vap)
3951 {
3952 struct rt2860_softc_vap *rvap;
3953 struct mbuf *m;
3954 struct rt2860_txwi *txwi;
3955 uint32_t tmp;
3956
3957 rvap = (struct rt2860_softc_vap *) vap;
3958
3959 m = rvap->beacon_mbuf;
3960 txwi = &rvap->beacon_txwi;
3961
3962 /* disable temporarily TSF sync */
3963
3964 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3965
3966 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3967 RT2860_REG_TSF_TIMER_ENABLE |
3968 RT2860_REG_TBTT_TIMER_ENABLE);
3969
3970 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3971
3972 /* write Tx wireless info and beacon frame to on-chip memory */
3973
3974 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3975 txwi, sizeof(struct rt2860_txwi));
3976
3977 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3978 mtod(m, uint8_t *), m->m_pkthdr.len);
3979
3980 /* enable again TSF sync */
3981
3982 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3983
3984 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3985 RT2860_REG_TSF_TIMER_ENABLE |
3986 RT2860_REG_TBTT_TIMER_ENABLE);
3987
3988 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3989 }
3990
3991 /*
3992 * rt2860_asic_clear_keytables
3993 */
3994 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3995 {
3996 int i;
3997
3998 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3999
4000 for (i = 0; i < 256; i++)
4001 {
4002 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
4003 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
4004 }
4005
4006 /* clear WCID attribute table (entries = 256, entry size = 4) */
4007
4008 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
4009
4010 /* clear IV/EIV table (entries = 256, entry size = 8) */
4011
4012 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
4013
4014 /* clear pairwise key table (entries = 64, entry size = 32) */
4015
4016 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
4017
4018 /* clear shared key table (entries = 32, entry size = 32) */
4019
4020 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
4021
4022 /* clear shared key mode (entries = 32, entry size = 2) */
4023
4024 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
4025 }
4026
4027 /*
4028 * rt2860_asic_add_ba_session
4029 */
4030 static void rt2860_asic_add_ba_session(struct rt2860_softc *sc,
4031 uint8_t wcid, int tid)
4032 {
4033 uint32_t tmp;
4034
4035 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
4036 "%s: adding BA session: wcid=0x%02x, tid=%d\n",
4037 device_get_nameunit(sc->dev), wcid, tid);
4038
4039 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
4040
4041 tmp |= (0x10000 << tid);
4042
4043 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
4044 }
4045
4046 /*
4047 * rt2860_asic_del_ba_session
4048 */
4049 static void rt2860_asic_del_ba_session(struct rt2860_softc *sc,
4050 uint8_t wcid, int tid)
4051 {
4052 uint32_t tmp;
4053
4054 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
4055 "%s: deleting BA session: wcid=0x%02x, tid=%d\n",
4056 device_get_nameunit(sc->dev), wcid, tid);
4057
4058 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
4059
4060 tmp &= ~(0x10000 << tid);
4061
4062 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
4063 }
4064
4065 /*
4066 * rt2860_beacon_alloc
4067 */
4068 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
4069 struct ieee80211vap *vap)
4070 {
4071 struct ieee80211com *ic;
4072 struct rt2860_softc_vap *rvap;
4073 struct mbuf *m;
4074 struct rt2860_txwi txwi;
4075 uint8_t rate, mcs;
4076
4077 ic = vap->iv_ic;
4078 rvap = (struct rt2860_softc_vap *) vap;
4079
4080 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
4081 if (m == NULL)
4082 return ENOMEM;
4083
4084 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
4085 mcs = rt2860_rate2mcs(rate);
4086
4087 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
4088 "%s: beacon allocate: mcs=0x%02x\n",
4089 device_get_nameunit(sc->dev), mcs);
4090
4091 memset(&txwi, 0, sizeof(struct rt2860_txwi));
4092
4093 txwi.wcid = RT2860_WCID_RESERVED;
4094 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4095 RT2860_TXWI_MPDU_LEN_SHIFT);
4096 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4097 txwi.mpdu_density_flags |=
4098 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4099 txwi.bawin_size_xflags |=
4100 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
4101
4102 if (rate == 2)
4103 {
4104 txwi.phymode_ifs_stbc_shortgi =
4105 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4106
4107 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4108 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4109 }
4110 else
4111 {
4112 txwi.phymode_ifs_stbc_shortgi =
4113 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4114 }
4115
4116 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
4117 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4118
4119 if (rvap->beacon_mbuf != NULL)
4120 {
4121 m_free(rvap->beacon_mbuf);
4122 rvap->beacon_mbuf = NULL;
4123 }
4124
4125 rvap->beacon_mbuf = m;
4126 rvap->beacon_txwi = txwi;
4127
4128 return 0;
4129 }
4130
4131 /*
4132 * rt2860_rxrate
4133 */
4134 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
4135 {
4136 uint8_t mcs, phymode;
4137 uint8_t rate;
4138
4139 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
4140 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4141 RT2860_RXWI_PHYMODE_MASK;
4142
4143 rate = 2;
4144
4145 switch (phymode)
4146 {
4147 case RT2860_RXWI_PHYMODE_CCK:
4148 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
4149 {
4150 case 0: rate = 2; break; /* 1 Mbps */
4151 case 1: rate = 4; break; /* 2 MBps */
4152 case 2: rate = 11; break; /* 5.5 Mbps */
4153 case 3: rate = 22; break; /* 11 Mbps */
4154 }
4155 break;
4156
4157 case RT2860_RXWI_PHYMODE_OFDM:
4158 switch (mcs)
4159 {
4160 case 0: rate = 12; break; /* 6 Mbps */
4161 case 1: rate = 18; break; /* 9 Mbps */
4162 case 2: rate = 24; break; /* 12 Mbps */
4163 case 3: rate = 36; break; /* 18 Mbps */
4164 case 4: rate = 48; break; /* 24 Mbps */
4165 case 5: rate = 72; break; /* 36 Mbps */
4166 case 6: rate = 96; break; /* 48 Mbps */
4167 case 7: rate = 108; break; /* 54 Mbps */
4168 }
4169 break;
4170
4171 case RT2860_RXWI_PHYMODE_HT_MIXED:
4172 case RT2860_RXWI_PHYMODE_HT_GF:
4173 break;
4174 }
4175
4176 return rate;
4177 }
4178
4179 /*
4180 * rt2860_maxrssi_rxpath
4181 */
4182 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
4183 const struct rt2860_rxwi *rxwi)
4184 {
4185 uint8_t rxpath;
4186
4187 rxpath = 0;
4188
4189 if (sc->nrxpath > 1)
4190 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4191 rxpath = 1;
4192
4193 if (sc->nrxpath > 2)
4194 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4195 rxpath = 2;
4196
4197 return rxpath;
4198 }
4199
4200 /*
4201 * rt2860_rssi2dbm
4202 */
4203 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
4204 uint8_t rssi, uint8_t rxpath)
4205 {
4206 struct ifnet *ifp;
4207 struct ieee80211com *ic;
4208 struct ieee80211_channel *c;
4209 int chan;
4210 int8_t rssi_off, lna_gain;
4211
4212 if (rssi == 0)
4213 return -99;
4214
4215 ifp = sc->ifp;
4216 ic = ifp->if_l2com;
4217 c = ic->ic_curchan;
4218 chan = ieee80211_chan2ieee(ic, c);
4219
4220 if (IEEE80211_IS_CHAN_5GHZ(c))
4221 {
4222 rssi_off = sc->rssi_off_5ghz[rxpath];
4223
4224 if (chan <= 64)
4225 lna_gain = sc->lna_gain[1];
4226 else if (chan <= 128)
4227 lna_gain = sc->lna_gain[2];
4228 else
4229 lna_gain = sc->lna_gain[3];
4230 }
4231 else
4232 {
4233 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
4234 lna_gain = sc->lna_gain[0];
4235 }
4236
4237 return (-12 - rssi_off - lna_gain - rssi);
4238 }
4239
4240 /*
4241 * rt2860_rate2mcs
4242 */
4243 static uint8_t rt2860_rate2mcs(uint8_t rate)
4244 {
4245 switch (rate)
4246 {
4247 /* CCK rates */
4248 case 2: return 0;
4249 case 4: return 1;
4250 case 11: return 2;
4251 case 22: return 3;
4252
4253 /* OFDM rates */
4254 case 12: return 0;
4255 case 18: return 1;
4256 case 24: return 2;
4257 case 36: return 3;
4258 case 48: return 4;
4259 case 72: return 5;
4260 case 96: return 6;
4261 case 108: return 7;
4262 }
4263
4264 return 0;
4265 }
4266
4267 /*
4268 * rt2860_tx_mgmt
4269 */
4270 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
4271 struct mbuf *m, struct ieee80211_node *ni, int qid)
4272 {
4273 struct ifnet *ifp;
4274 struct ieee80211com *ic;
4275 struct ieee80211vap *vap;
4276 const struct ieee80211_txparam *tp;
4277 struct rt2860_softc_node *rni;
4278 struct rt2860_softc_tx_ring *ring;
4279 struct rt2860_softc_tx_data *data;
4280 struct rt2860_txdesc *desc;
4281 struct rt2860_txwi *txwi;
4282 struct ieee80211_frame *wh;
4283 struct rt2860_softc_tx_radiotap_header *tap;
4284 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4285 u_int hdrsize, hdrspace;
4286 uint8_t rate, mcs, pid, qsel;
4287 uint16_t len, dmalen, mpdu_len, dur;
4288 int error, mimops, ndmasegs, ndescs, i, j;
4289
4290 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4291 ("%s: Tx MGMT: invalid qid=%d\n",
4292 device_get_nameunit(sc->dev), qid));
4293
4294 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4295
4296 ifp = sc->ifp;
4297 ic = ifp->if_l2com;
4298 vap = ni->ni_vap;
4299 rni = (struct rt2860_softc_node *) ni;
4300 tp = ni->ni_txparms;
4301
4302 ring = &sc->tx_ring[qid];
4303 desc = &ring->desc[ring->desc_cur];
4304 data = &ring->data[ring->data_cur];
4305 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4306
4307 wh = mtod(m, struct ieee80211_frame *);
4308
4309 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4310
4311 /* fill Tx wireless info */
4312
4313 if (ni->ni_flags & IEEE80211_NODE_HT)
4314 mcs = rate;
4315 else
4316 mcs = rt2860_rate2mcs(rate);
4317
4318 /* calculate MPDU length without padding */
4319
4320 hdrsize = ieee80211_anyhdrsize(wh);
4321 hdrspace = ieee80211_anyhdrspace(ic, wh);
4322 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4323
4324 memset(txwi, 0, sizeof(struct rt2860_txwi));
4325
4326 /* management frames do not need encryption */
4327
4328 txwi->wcid = RT2860_WCID_RESERVED;
4329
4330 /* MIMO power save */
4331
4332 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4333 {
4334 if (mcs > 7)
4335 {
4336 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4337 {
4338 /* dynamic MIMO power save */
4339
4340 txwi->mpdu_density_flags |=
4341 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4342 }
4343 else
4344 {
4345 /* static MIMO power save */
4346
4347 mcs = 7;
4348 }
4349 }
4350
4351 mimops = 1;
4352 }
4353 else
4354 {
4355 mimops = 0;
4356 }
4357
4358 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4359
4360 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4361 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4362 RT2860_TXWI_MPDU_LEN_SHIFT);
4363
4364 if (ni->ni_flags & IEEE80211_NODE_HT)
4365 {
4366 txwi->phymode_ifs_stbc_shortgi |=
4367 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4368 }
4369 else
4370 {
4371 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4372 {
4373 txwi->phymode_ifs_stbc_shortgi |=
4374 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4375
4376 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4377 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4378 }
4379 else
4380 {
4381 txwi->phymode_ifs_stbc_shortgi |=
4382 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4383 }
4384 }
4385
4386 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
4387 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4388
4389 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
4390
4391 /* skip ACKs for multicast frames */
4392
4393 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4394 {
4395 txwi->bawin_size_xflags |=
4396 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4397
4398 if (ni->ni_flags & IEEE80211_NODE_HT)
4399 {
4400 /* preamble + plcp + signal extension + SIFS */
4401
4402 dur = 16 + 4 + 6 + 10;
4403 }
4404 else
4405 {
4406 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4407 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4408 }
4409
4410 *(uint16_t *) wh->i_dur = htole16(dur);
4411 }
4412
4413 /* ask MAC to insert timestamp into probe responses */
4414
4415 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4416 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4417 txwi->mpdu_density_flags |=
4418 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4419
4420 if (ieee80211_radiotap_active_vap(vap))
4421 {
4422 tap = &sc->txtap;
4423
4424 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4425 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4426 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4427 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4428 tap->chan_maxpow = 0;
4429
4430 if (ni->ni_flags & IEEE80211_NODE_HT)
4431 tap->rate = mcs | IEEE80211_RATE_MCS;
4432 else
4433 tap->rate = rate;
4434
4435 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4436 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4437
4438 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4439 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4440
4441 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4442 {
4443 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4444
4445 ieee80211_radiotap_tx(vap, m);
4446
4447 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4448 }
4449 else
4450 {
4451 ieee80211_radiotap_tx(vap, m);
4452 }
4453 }
4454
4455 /* copy and trim 802.11 header */
4456
4457 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4458 m_adj(m, hdrspace);
4459
4460 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4461 dma_seg, &ndmasegs, 0);
4462 if (error != 0)
4463 {
4464 /* too many fragments, linearize */
4465
4466 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4467 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4468 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4469
4470 m = m_defrag(m, M_DONTWAIT);
4471 if (m == NULL)
4472 return ENOMEM;
4473
4474 sc->tx_defrag_packets++;
4475
4476 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4477 dma_seg, &ndmasegs, 0);
4478 if (error != 0)
4479 {
4480 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4481 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4482 m_freem(m);
4483 return error;
4484 }
4485 }
4486
4487 if (m->m_pkthdr.len == 0)
4488 ndmasegs = 0;
4489
4490 /* determine how many Tx descs are required */
4491
4492 ndescs = 1 + ndmasegs / 2;
4493 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4494 {
4495 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4496 "%s: there are not enough Tx descs\n",
4497 device_get_nameunit(sc->dev));
4498
4499 sc->no_tx_desc_avail++;
4500
4501 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4502 m_freem(m);
4503 return EFBIG;
4504 }
4505
4506 data->m = m;
4507 data->ni = ni;
4508
4509 /* set up Tx descs */
4510
4511 /* first segment is Tx wireless info and 802.11 header */
4512
4513 len = sizeof(struct rt2860_txwi) + hdrsize;
4514
4515 /* align end on a 4-bytes boundary */
4516
4517 dmalen = (len + 3) & ~ 3;
4518
4519 memset((caddr_t) txwi + len, 0, dmalen - len);
4520
4521 qsel = RT2860_TXDESC_QSEL_EDCA;
4522
4523 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4524 desc->sdl0 = htole16(dmalen);
4525 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4526
4527 /* set up payload segments */
4528
4529 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4530 {
4531 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4532 desc->sdl1 = htole16(dma_seg[j].ds_len);
4533
4534 ring->desc_queued++;
4535 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4536
4537 j++;
4538
4539 desc = &ring->desc[ring->desc_cur];
4540
4541 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4542 desc->sdl0 = htole16(dma_seg[j].ds_len);
4543 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4544
4545 j++;
4546 }
4547
4548 /* finalize last payload segment */
4549
4550 if (i > 0)
4551 {
4552 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4553 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4554 }
4555 else
4556 {
4557 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4558 desc->sdl1 = 0;
4559 }
4560
4561 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4562 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4563 "mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4564 device_get_nameunit(sc->dev),
4565 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4566 mcs, mimops, dmalen, ndmasegs,
4567 (int) dma_seg[0].ds_len, (int) dma_seg[1].ds_len, (int) dma_seg[2].ds_len, (int) dma_seg[3].ds_len, (int) dma_seg[4].ds_len);
4568
4569 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4570 BUS_DMASYNC_PREWRITE);
4571 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4572 BUS_DMASYNC_PREWRITE);
4573 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4574 BUS_DMASYNC_PREWRITE);
4575
4576 ring->desc_queued++;
4577 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4578
4579 ring->data_queued++;
4580 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4581
4582 /* kick Tx */
4583
4584 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4585
4586 return 0;
4587 }
4588
4589 /*
4590 * rt2860_tx_data
4591 */
4592 static int rt2860_tx_data(struct rt2860_softc *sc,
4593 struct mbuf *m, struct ieee80211_node *ni, int qid)
4594 {
4595 struct ifnet *ifp;
4596 struct ieee80211com *ic;
4597 struct ieee80211vap *vap;
4598 const struct ieee80211_txparam *tp;
4599 struct rt2860_softc_node *rni;
4600 struct rt2860_softc_tx_ring *ring;
4601 struct rt2860_softc_tx_data *data;
4602 struct rt2860_txdesc *desc;
4603 struct rt2860_txwi *txwi;
4604 struct ieee80211_frame *wh;
4605 struct ieee80211_tx_ampdu *tx_ampdu;
4606 ieee80211_seq seqno;
4607 struct rt2860_softc_tx_radiotap_header *tap;
4608 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4609 u_int hdrsize, hdrspace;
4610 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4611 uint16_t qos, len, dmalen, mpdu_len, dur;
4612 int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j;
4613
4614 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4615 ("%s: Tx data: invalid qid=%d\n",
4616 device_get_nameunit(sc->dev), qid));
4617
4618 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4619
4620 ifp = sc->ifp;
4621 ic = ifp->if_l2com;
4622 vap = ni->ni_vap;
4623 rni = (struct rt2860_softc_node *) ni;
4624 tp = ni->ni_txparms;
4625
4626 ring = &sc->tx_ring[qid];
4627 desc = &ring->desc[ring->desc_cur];
4628 data = &ring->data[ring->data_cur];
4629 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4630
4631 wh = mtod(m, struct ieee80211_frame *);
4632
4633 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4634
4635 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4636 if (hasqos)
4637 {
4638 if (IEEE80211_HAS_ADDR4(wh))
4639 qos = le16toh(*(const uint16_t *)
4640 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4641 else
4642 qos = le16toh(*(const uint16_t *)
4643 (((struct ieee80211_qosframe *) wh)->i_qos));
4644 }
4645 else
4646 {
4647 qos = 0;
4648 }
4649
4650 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4651 rate = tp->mcastrate;
4652 else if (m->m_flags & M_EAPOL)
4653 rate = tp->mgmtrate;
4654 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4655 rate = tp->ucastrate;
4656 else
4657 rate = ni->ni_txrate;
4658
4659 rate &= IEEE80211_RATE_VAL;
4660
4661 /* fill Tx wireless info */
4662
4663 if (ni->ni_flags & IEEE80211_NODE_HT)
4664 mcs = rate;
4665 else
4666 mcs = rt2860_rate2mcs(rate);
4667
4668 if (type == IEEE80211_FC0_TYPE_DATA)
4669 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
4670 else
4671 wcid = RT2860_WCID_RESERVED;
4672
4673 /* calculate MPDU length without padding */
4674
4675 hdrsize = ieee80211_anyhdrsize(wh);
4676 hdrspace = ieee80211_anyhdrspace(ic, wh);
4677 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4678
4679 memset(txwi, 0, sizeof(struct rt2860_txwi));
4680
4681 txwi->wcid = wcid;
4682
4683 /* MIMO power save */
4684
4685 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4686 {
4687 if (mcs > 7)
4688 {
4689 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4690 {
4691 /* dynamic MIMO power save */
4692
4693 txwi->mpdu_density_flags |=
4694 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4695 }
4696 else
4697 {
4698 /* static MIMO power save */
4699
4700 mcs = 7;
4701 }
4702 }
4703
4704 mimops = 1;
4705 }
4706 else
4707 {
4708 mimops = 0;
4709 }
4710
4711 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4712
4713 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4714 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4715 RT2860_TXWI_MPDU_LEN_SHIFT);
4716
4717 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4718 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4719
4720 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4721 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4722
4723 txwi->phymode_ifs_stbc_shortgi |=
4724 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4725 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4726
4727 if (ni->ni_flags & IEEE80211_NODE_HT)
4728 {
4729 txwi->phymode_ifs_stbc_shortgi |=
4730 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4731 }
4732 else
4733 {
4734 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4735 {
4736 txwi->phymode_ifs_stbc_shortgi |=
4737 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4738
4739 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4740 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4741 }
4742 else
4743 {
4744 txwi->phymode_ifs_stbc_shortgi |=
4745 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4746 }
4747 }
4748
4749 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4750 bw = RT2860_TXWI_BW_40;
4751 else
4752 bw = RT2860_TXWI_BW_20;
4753
4754 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4755 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4756
4757 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4758
4759 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4760 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4761 {
4762 txwi->bawin_size_xflags |=
4763 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4764
4765 if (ni->ni_flags & IEEE80211_NODE_HT)
4766 {
4767 /* preamble + plcp + signal extension + SIFS */
4768
4769 dur = 16 + 4 + 6 + 10;
4770 }
4771 else
4772 {
4773 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4774 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4775 }
4776
4777 *(uint16_t *) wh->i_dur = htole16(dur);
4778 }
4779
4780 /* check for A-MPDU */
4781
4782 if (m->m_flags & M_AMPDU_MPDU)
4783 {
4784 ac = M_WME_GETAC(m);
4785 tid = WME_AC_TO_TID(ac);
4786 tx_ampdu = &ni->ni_tx_ampdu[ac];
4787
4788 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4789 bawin_size = tx_ampdu->txa_wnd;
4790
4791 txwi->mpdu_density_flags |=
4792 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4793 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4794
4795 txwi->bawin_size_xflags |=
4796 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4797
4798 seqno = ni->ni_txseqs[tid]++;
4799
4800 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4801
4802 ampdu = 1;
4803 }
4804 else
4805 {
4806 mpdu_density = 0;
4807 bawin_size = 0;
4808 ampdu = 0;
4809 }
4810
4811 /* ask MAC to insert timestamp into probe responses */
4812
4813 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4814 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4815 txwi->mpdu_density_flags |=
4816 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4817
4818 if (ieee80211_radiotap_active_vap(vap))
4819 {
4820 tap = &sc->txtap;
4821
4822 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4823 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4824 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4825 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4826 tap->chan_maxpow = 0;
4827
4828 if (ni->ni_flags & IEEE80211_NODE_HT)
4829 tap->rate = mcs | IEEE80211_RATE_MCS;
4830 else
4831 tap->rate = rate;
4832
4833 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4834 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4835
4836 if (shortgi)
4837 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4838
4839 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4840 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4841
4842 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
4843
4844 if (ampdu)
4845 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
4846
4847 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4848 {
4849 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4850
4851 ieee80211_radiotap_tx(vap, m);
4852
4853 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4854 }
4855 else
4856 {
4857 ieee80211_radiotap_tx(vap, m);
4858 }
4859 }
4860
4861 /* copy and trim 802.11 header */
4862
4863 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4864 m_adj(m, hdrspace);
4865
4866 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4867 dma_seg, &ndmasegs, 0);
4868 if (error != 0)
4869 {
4870 /* too many fragments, linearize */
4871
4872 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4873 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4874 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4875
4876 m = m_defrag(m, M_DONTWAIT);
4877 if (m == NULL)
4878 return ENOMEM;
4879
4880 sc->tx_defrag_packets++;
4881
4882 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4883 dma_seg, &ndmasegs, 0);
4884 if (error != 0)
4885 {
4886 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4887 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4888 m_freem(m);
4889 return error;
4890 }
4891 }
4892
4893 if (m->m_pkthdr.len == 0)
4894 ndmasegs = 0;
4895
4896 /* determine how many Tx descs are required */
4897
4898 ndescs = 1 + ndmasegs / 2;
4899 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4900 {
4901 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4902 "%s: there are not enough Tx descs\n",
4903 device_get_nameunit(sc->dev));
4904
4905 sc->no_tx_desc_avail++;
4906
4907 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4908 m_freem(m);
4909 return EFBIG;
4910 }
4911
4912 data->m = m;
4913 data->ni = ni;
4914
4915 /* set up Tx descs */
4916
4917 /* first segment is Tx wireless info and 802.11 header */
4918
4919 len = sizeof(struct rt2860_txwi) + hdrsize;
4920
4921 /* align end on a 4-bytes boundary */
4922
4923 dmalen = (len + 3) & ~ 3;
4924
4925 memset((caddr_t) txwi + len, 0, dmalen - len);
4926
4927 qsel = RT2860_TXDESC_QSEL_EDCA;
4928
4929 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4930 desc->sdl0 = htole16(dmalen);
4931 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4932
4933 /* set up payload segments */
4934
4935 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4936 {
4937 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4938 desc->sdl1 = htole16(dma_seg[j].ds_len);
4939
4940 ring->desc_queued++;
4941 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4942
4943 j++;
4944
4945 desc = &ring->desc[ring->desc_cur];
4946
4947 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4948 desc->sdl0 = htole16(dma_seg[j].ds_len);
4949 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4950
4951 j++;
4952 }
4953
4954 /* finalize last payload segment */
4955
4956 if (i > 0)
4957 {
4958 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4959 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4960 }
4961 else
4962 {
4963 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4964 desc->sdl1 = 0;
4965 }
4966
4967 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4968 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4969 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
4970 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4971 device_get_nameunit(sc->dev),
4972 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4973 bw, stbc, shortgi, mcs, wcid, ampdu, mpdu_density, bawin_size, mimops, dmalen, ndmasegs,
4974 (int) dma_seg[0].ds_len, (int) dma_seg[1].ds_len, (int) dma_seg[2].ds_len, (int) dma_seg[3].ds_len, (int) dma_seg[4].ds_len);
4975
4976 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4977 BUS_DMASYNC_PREWRITE);
4978 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4979 BUS_DMASYNC_PREWRITE);
4980 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4981 BUS_DMASYNC_PREWRITE);
4982
4983 ring->desc_queued++;
4984 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4985
4986 ring->data_queued++;
4987 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4988
4989 /* kick Tx */
4990
4991 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4992
4993 return 0;
4994 }
4995
4996 /*
4997 * rt2860_tx_raw
4998 */
4999 static int rt2860_tx_raw(struct rt2860_softc *sc,
5000 struct mbuf *m, struct ieee80211_node *ni,
5001 const struct ieee80211_bpf_params *params)
5002 {
5003 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5004 "%s: Tx raw\n",
5005 device_get_nameunit(sc->dev));
5006
5007 return 0;
5008 }
5009
5010 /*
5011 * rt2860_intr
5012 */
5013 static void rt2860_intr(void *arg)
5014 {
5015 struct rt2860_softc *sc;
5016 struct ifnet *ifp;
5017 uint32_t status;
5018
5019 sc = arg;
5020 ifp = sc->ifp;
5021
5022 /* acknowledge interrupts */
5023
5024 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
5025 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
5026
5027 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5028 "%s: interrupt: status = 0x%08x\n",
5029 device_get_nameunit(sc->dev), status);
5030
5031 if (status == 0xffffffff || /* device likely went away */
5032 status == 0) /* not for us */
5033 return;
5034
5035 sc->interrupts++;
5036
5037 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5038 return;
5039
5040 if (status & RT2860_REG_INT_TX_COHERENT)
5041 rt2860_tx_coherent_intr(sc);
5042
5043 if (status & RT2860_REG_INT_RX_COHERENT)
5044 rt2860_rx_coherent_intr(sc);
5045
5046 if (status & RT2860_REG_INT_TXRX_COHERENT)
5047 rt2860_txrx_coherent_intr(sc);
5048
5049 if (status & RT2860_REG_INT_FIFO_STA_FULL)
5050 rt2860_fifo_sta_full_intr(sc);
5051
5052 if (status & RT2860_REG_INT_TX_MGMT_DONE)
5053 rt2860_tx_intr(sc, 5);
5054
5055 if (status & RT2860_REG_INT_RX_DONE)
5056 rt2860_rx_intr(sc);
5057
5058 if (status & RT2860_REG_INT_RX_DELAY_DONE)
5059 rt2860_rx_delay_intr(sc);
5060
5061 if (status & RT2860_REG_INT_TX_HCCA_DONE)
5062 rt2860_tx_intr(sc, 4);
5063
5064 if (status & RT2860_REG_INT_TX_AC3_DONE)
5065 rt2860_tx_intr(sc, 3);
5066
5067 if (status & RT2860_REG_INT_TX_AC2_DONE)
5068 rt2860_tx_intr(sc, 2);
5069
5070 if (status & RT2860_REG_INT_TX_AC1_DONE)
5071 rt2860_tx_intr(sc, 1);
5072
5073 if (status & RT2860_REG_INT_TX_AC0_DONE)
5074 rt2860_tx_intr(sc, 0);
5075
5076 if (status & RT2860_REG_INT_TX_DELAY_DONE)
5077 rt2860_tx_delay_intr(sc);
5078
5079 if (status & RT2860_REG_INT_PRE_TBTT)
5080 rt2860_pre_tbtt_intr(sc);
5081
5082 if (status & RT2860_REG_INT_TBTT)
5083 rt2860_tbtt_intr(sc);
5084
5085 if (status & RT2860_REG_INT_MCU_CMD)
5086 rt2860_mcu_cmd_intr(sc);
5087
5088 if (status & RT2860_REG_INT_AUTO_WAKEUP)
5089 rt2860_auto_wakeup_intr(sc);
5090
5091 if (status & RT2860_REG_INT_GP_TIMER)
5092 rt2860_gp_timer_intr(sc);
5093 }
5094
5095 /*
5096 * rt2860_tx_coherent_intr
5097 */
5098 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
5099 {
5100 uint32_t tmp;
5101 int i;
5102
5103 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5104 "%s: Tx coherent interrupt\n",
5105 device_get_nameunit(sc->dev));
5106
5107 sc->tx_coherent_interrupts++;
5108
5109 /* restart DMA engine */
5110
5111 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5112
5113 tmp &= ~(RT2860_REG_TX_WB_DDONE |
5114 RT2860_REG_RX_DMA_ENABLE |
5115 RT2860_REG_TX_DMA_ENABLE);
5116
5117 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5118
5119 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
5120
5121 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5122 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
5123
5124 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5125 {
5126 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
5127 sc->tx_ring[i].desc_phys_addr);
5128 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
5129 RT2860_SOFTC_TX_RING_DESC_COUNT);
5130 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
5131 }
5132
5133 /* init Rx ring */
5134
5135 rt2860_reset_rx_ring(sc, &sc->rx_ring);
5136
5137 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
5138 sc->rx_ring.desc_phys_addr);
5139 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5140 RT2860_SOFTC_RX_RING_DATA_COUNT);
5141 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5142 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5143
5144 rt2860_txrx_enable(sc);
5145 }
5146
5147 /*
5148 * rt2860_rx_coherent_intr
5149 */
5150 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
5151 {
5152 uint32_t tmp;
5153 int i;
5154
5155 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5156 "%s: Rx coherent interrupt\n",
5157 device_get_nameunit(sc->dev));
5158
5159 sc->rx_coherent_interrupts++;
5160
5161 /* restart DMA engine */
5162
5163 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5164
5165 tmp &= ~(RT2860_REG_TX_WB_DDONE |
5166 RT2860_REG_RX_DMA_ENABLE |
5167 RT2860_REG_TX_DMA_ENABLE);
5168
5169 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5170
5171 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
5172
5173 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5174 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
5175
5176 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5177 {
5178 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
5179 sc->tx_ring[i].desc_phys_addr);
5180 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
5181 RT2860_SOFTC_TX_RING_DESC_COUNT);
5182 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
5183 }
5184
5185 /* init Rx ring */
5186
5187 rt2860_reset_rx_ring(sc, &sc->rx_ring);
5188
5189 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
5190 sc->rx_ring.desc_phys_addr);
5191 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5192 RT2860_SOFTC_RX_RING_DATA_COUNT);
5193 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5194 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5195
5196 rt2860_txrx_enable(sc);
5197 }
5198
5199 /*
5200 * rt2860_txrx_coherent_intr
5201 */
5202 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
5203 {
5204 uint32_t tmp;
5205 int i;
5206
5207 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5208 "%s: Tx/Rx coherent interrupt\n",
5209 device_get_nameunit(sc->dev));
5210
5211 sc->txrx_coherent_interrupts++;
5212
5213 /* restart DMA engine */
5214
5215 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5216
5217 tmp &= ~(RT2860_REG_TX_WB_DDONE |
5218 RT2860_REG_RX_DMA_ENABLE |
5219 RT2860_REG_TX_DMA_ENABLE);
5220
5221 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5222
5223 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
5224
5225 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5226 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
5227
5228 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5229 {
5230 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
5231 sc->tx_ring[i].desc_phys_addr);
5232 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
5233 RT2860_SOFTC_TX_RING_DESC_COUNT);
5234 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
5235 }
5236
5237 /* init Rx ring */
5238
5239 rt2860_reset_rx_ring(sc, &sc->rx_ring);
5240
5241 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
5242 sc->rx_ring.desc_phys_addr);
5243 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5244 RT2860_SOFTC_RX_RING_DATA_COUNT);
5245 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5246 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5247
5248 rt2860_txrx_enable(sc);
5249 }
5250
5251 /*
5252 * rt2860_fifo_sta_full_intr
5253 */
5254 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
5255 {
5256 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5257 "%s: FIFO statistic full interrupt\n",
5258 device_get_nameunit(sc->dev));
5259
5260 sc->fifo_sta_full_interrupts++;
5261
5262 RT2860_SOFTC_LOCK(sc);
5263
5264 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
5265 {
5266 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5267
5268 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5269 }
5270
5271 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
5272
5273 RT2860_SOFTC_UNLOCK(sc);
5274 }
5275
5276 /*
5277 * rt2860_rx_intr
5278 */
5279 static void rt2860_rx_intr(struct rt2860_softc *sc)
5280 {
5281 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5282 "%s: Rx interrupt\n",
5283 device_get_nameunit(sc->dev));
5284
5285 sc->rx_interrupts++;
5286
5287 RT2860_SOFTC_LOCK(sc);
5288
5289 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
5290 {
5291 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
5292
5293 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5294 }
5295
5296 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
5297
5298 RT2860_SOFTC_UNLOCK(sc);
5299 }
5300
5301 /*
5302 * rt2860_rx_delay_intr
5303 */
5304 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
5305 {
5306 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5307 "%s: Rx delay interrupt\n",
5308 device_get_nameunit(sc->dev));
5309
5310 sc->rx_delay_interrupts++;
5311 }
5312
5313 /*
5314 * rt2860_tx_intr
5315 */
5316 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
5317 {
5318 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
5319 ("%s: Tx interrupt: invalid qid=%d\n",
5320 device_get_nameunit(sc->dev), qid));
5321
5322 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5323 "%s: Tx interrupt: qid=%d\n",
5324 device_get_nameunit(sc->dev), qid);
5325
5326 sc->tx_interrupts[qid]++;
5327
5328 RT2860_SOFTC_LOCK(sc);
5329
5330 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
5331 {
5332 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
5333
5334 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5335 }
5336
5337 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
5338
5339 RT2860_SOFTC_UNLOCK(sc);
5340 }
5341
5342 /*
5343 * rt2860_tx_delay_intr
5344 */
5345 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
5346 {
5347 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5348 "%s: Tx delay interrupt\n",
5349 device_get_nameunit(sc->dev));
5350
5351 sc->tx_delay_interrupts++;
5352 }
5353
5354 /*
5355 * rt2860_pre_tbtt_intr
5356 */
5357 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
5358 {
5359 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5360 "%s: Pre-TBTT interrupt\n",
5361 device_get_nameunit(sc->dev));
5362
5363 sc->pre_tbtt_interrupts++;
5364 }
5365
5366 /*
5367 * rt2860_tbtt_intr
5368 */
5369 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
5370 {
5371 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5372 "%s: TBTT interrupt\n",
5373 device_get_nameunit(sc->dev));
5374
5375 sc->tbtt_interrupts++;
5376 }
5377
5378 /*
5379 * rt2860_mcu_cmd_intr
5380 */
5381 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
5382 {
5383 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5384 "%s: MCU command interrupt\n",
5385 device_get_nameunit(sc->dev));
5386
5387 sc->mcu_cmd_interrupts++;
5388 }
5389
5390 /*
5391 * rt2860_auto_wakeup_intr
5392 */
5393 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
5394 {
5395 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5396 "%s: auto wakeup interrupt\n",
5397 device_get_nameunit(sc->dev));
5398
5399 sc->auto_wakeup_interrupts++;
5400 }
5401
5402 /*
5403 * rt2860_gp_timer_intr
5404 */
5405 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
5406 {
5407 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5408 "%s: GP timer interrupt\n",
5409 device_get_nameunit(sc->dev));
5410
5411 sc->gp_timer_interrupts++;
5412 }
5413
5414 /*
5415 * rt2860_rx_done_task
5416 */
5417 static void rt2860_rx_done_task(void *context, int pending)
5418 {
5419 struct rt2860_softc *sc;
5420 struct ifnet *ifp;
5421 int again;
5422
5423 sc = context;
5424 ifp = sc->ifp;
5425
5426 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5427 "%s: Rx done task\n",
5428 device_get_nameunit(sc->dev));
5429
5430 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5431 return;
5432
5433 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
5434
5435 again = rt2860_rx_eof(sc, sc->rx_process_limit);
5436
5437 RT2860_SOFTC_LOCK(sc);
5438
5439 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
5440 {
5441 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5442 "%s: Rx done task: scheduling again\n",
5443 device_get_nameunit(sc->dev));
5444
5445 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5446 }
5447 else
5448 {
5449 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
5450 }
5451
5452 RT2860_SOFTC_UNLOCK(sc);
5453 }
5454
5455 /*
5456 * rt2860_tx_done_task
5457 */
5458 static void rt2860_tx_done_task(void *context, int pending)
5459 {
5460 struct rt2860_softc *sc;
5461 struct ifnet *ifp;
5462 uint32_t intr_mask;
5463 int i;
5464
5465 sc = context;
5466 ifp = sc->ifp;
5467
5468 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5469 "%s: Tx done task\n",
5470 device_get_nameunit(sc->dev));
5471
5472 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5473 return;
5474
5475 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
5476 {
5477 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
5478 {
5479 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
5480
5481 rt2860_tx_eof(sc, &sc->tx_ring[i]);
5482 }
5483 }
5484
5485 sc->tx_timer = 0;
5486
5487 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5488
5489 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
5490 RT2860_REG_INT_TX_HCCA_DONE |
5491 RT2860_REG_INT_TX_AC3_DONE |
5492 RT2860_REG_INT_TX_AC2_DONE |
5493 RT2860_REG_INT_TX_AC1_DONE |
5494 RT2860_REG_INT_TX_AC0_DONE);
5495
5496 RT2860_SOFTC_LOCK(sc);
5497
5498 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
5499 (sc->intr_disable_mask & intr_mask));
5500
5501 if (sc->intr_pending_mask & intr_mask)
5502 {
5503 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5504 "%s: Tx done task: scheduling again\n",
5505 device_get_nameunit(sc->dev));
5506
5507 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5508 }
5509
5510 RT2860_SOFTC_UNLOCK(sc);
5511
5512 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5513 rt2860_start(ifp);
5514 }
5515
5516 /*
5517 * rt2860_fifo_sta_full_task
5518 */
5519 static void rt2860_fifo_sta_full_task(void *context, int pending)
5520 {
5521 struct rt2860_softc *sc;
5522 struct ifnet *ifp;
5523
5524 sc = context;
5525 ifp = sc->ifp;
5526
5527 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5528 "%s: FIFO statistic full task\n",
5529 device_get_nameunit(sc->dev));
5530
5531 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5532 return;
5533
5534 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
5535
5536 rt2860_drain_fifo_stats(sc);
5537
5538 RT2860_SOFTC_LOCK(sc);
5539
5540 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
5541 {
5542 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5543 "%s: FIFO statistic full task: scheduling again\n",
5544 device_get_nameunit(sc->dev));
5545
5546 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5547 }
5548 else
5549 {
5550 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5551 }
5552
5553 RT2860_SOFTC_UNLOCK(sc);
5554
5555 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5556 rt2860_start(ifp);
5557 }
5558
5559 /*
5560 * rt2860_periodic_task
5561 */
5562 static void rt2860_periodic_task(void *context, int pending)
5563 {
5564 struct rt2860_softc *sc;
5565 struct ifnet *ifp;
5566 struct ieee80211com *ic;
5567 struct ieee80211vap *vap;
5568
5569 sc = context;
5570 ifp = sc->ifp;
5571 ic = ifp->if_l2com;
5572 vap = TAILQ_FIRST(&ic->ic_vaps);
5573
5574 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5575 "%s: periodic task: round=%lu\n",
5576 device_get_nameunit(sc->dev), sc->periodic_round);
5577
5578 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5579 return;
5580
5581 RT2860_SOFTC_LOCK(sc);
5582
5583 sc->periodic_round++;
5584
5585 rt2860_update_stats(sc);
5586
5587 if ((sc->periodic_round % 10) == 0)
5588 {
5589 rt2860_bbp_tuning(sc);
5590
5591 rt2860_update_raw_counters(sc);
5592
5593 rt2860_watchdog(sc);
5594
5595 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5596 {
5597 if (vap->iv_opmode == IEEE80211_M_STA)
5598 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5599 else
5600 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5601 }
5602 }
5603
5604 RT2860_SOFTC_UNLOCK(sc);
5605
5606 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5607 }
5608
5609 /*
5610 * rt2860_rx_eof
5611 */
5612 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5613 {
5614 struct ifnet *ifp;
5615 struct ieee80211com *ic;
5616 struct ieee80211_frame *wh;
5617 struct ieee80211_node *ni;
5618 struct rt2860_softc_node *rni;
5619 struct rt2860_softc_rx_radiotap_header *tap;
5620 struct rt2860_softc_rx_ring *ring;
5621 struct rt2860_rxdesc *desc;
5622 struct rt2860_softc_rx_data *data;
5623 struct rt2860_rxwi *rxwi;
5624 struct mbuf *m, *mnew;
5625 bus_dma_segment_t segs[1];
5626 bus_dmamap_t dma_map;
5627 uint32_t index, desc_flags;
5628 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
5629 uint16_t seq;
5630 int8_t rssi_dbm;
5631 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5632
5633 ifp = sc->ifp;
5634 ic = ifp->if_l2com;
5635 ring = &sc->rx_ring;
5636
5637 nframes = 0;
5638
5639 while (limit != 0)
5640 {
5641 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5642 if (ring->cur == index)
5643 break;
5644
5645 desc = &ring->desc[ring->cur];
5646 data = &ring->data[ring->cur];
5647
5648 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5649 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5650
5651 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5652 break;
5653
5654 nframes++;
5655
5656 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5657 if (mnew == NULL)
5658 {
5659 sc->rx_mbuf_alloc_errors++;
5660 ifp->if_ierrors++;
5661 goto skip;
5662 }
5663
5664 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5665
5666 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5667 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5668 if (error != 0)
5669 {
5670 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5671 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5672 device_get_nameunit(sc->dev), error, nsegs);
5673
5674 m_freem(mnew);
5675
5676 sc->rx_mbuf_dmamap_errors++;
5677 ifp->if_ierrors++;
5678
5679 goto skip;
5680 }
5681
5682 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5683 device_get_nameunit(sc->dev)));
5684
5685 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5686 BUS_DMASYNC_POSTREAD);
5687 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5688
5689 dma_map = data->dma_map;
5690 data->dma_map = ring->spare_dma_map;
5691 ring->spare_dma_map = dma_map;
5692
5693 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5694 BUS_DMASYNC_PREREAD);
5695
5696 m = data->m;
5697
5698 data->m = mnew;
5699 desc->sdp0 = htole32(segs[0].ds_addr);
5700
5701 desc_flags = le32toh(desc->flags);
5702
5703 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5704 "%s: Rx frame: rxdesc flags=0x%08x\n",
5705 device_get_nameunit(sc->dev), desc_flags);
5706
5707 /* get Rx wireless info */
5708
5709 rxwi = mtod(m, struct rt2860_rxwi *);
5710 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5711 RT2860_RXWI_SIZE_MASK;
5712
5713 /* check for L2 padding between IEEE 802.11 frame header and body */
5714
5715 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5716 {
5717 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5718 "%s: L2 padding: len=%d\n",
5719 device_get_nameunit(sc->dev), len);
5720
5721 len += 2;
5722 }
5723
5724 m->m_pkthdr.rcvif = ifp;
5725 m->m_data = (caddr_t) (rxwi + 1);
5726 m->m_pkthdr.len = m->m_len = len;
5727
5728 /* check for crc errors */
5729
5730 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5731 {
5732 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5733 "%s: rxdesc: crc error\n",
5734 device_get_nameunit(sc->dev));
5735
5736 ifp->if_ierrors++;
5737
5738 if (!(ifp->if_flags & IFF_PROMISC))
5739 {
5740 m_freem(m);
5741 goto skip;
5742 }
5743 }
5744
5745 wh = (struct ieee80211_frame *) (rxwi + 1);
5746
5747 /* check for cipher errors */
5748
5749 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5750 {
5751 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5752 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5753 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5754 {
5755 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5756 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5757
5758 m->m_flags |= M_WEP;
5759
5760 sc->rx_cipher_no_errors++;
5761 }
5762 else
5763 {
5764 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5765 "%s: rxdesc: cipher error=0x%02x\n",
5766 device_get_nameunit(sc->dev), cipher_err);
5767
5768 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5769 sc->rx_cipher_icv_errors++;
5770 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5771 sc->rx_cipher_mic_errors++;
5772 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5773 sc->rx_cipher_invalid_key_errors++;
5774
5775 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5776 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5777 {
5778 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5779 if (ni != NULL)
5780 {
5781 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5782 RT2860_RXWI_KEYIDX_MASK;
5783
5784 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5785
5786 ieee80211_free_node(ni);
5787 }
5788 }
5789
5790 ifp->if_ierrors++;
5791
5792 if (!(ifp->if_flags & IFF_PROMISC))
5793 {
5794 m_free(m);
5795 goto skip;
5796 }
5797 }
5798 }
5799 else
5800 {
5801 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5802 {
5803 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5804 "%s: rxdesc: not decrypted but protected flag set\n",
5805 device_get_nameunit(sc->dev));
5806
5807 ifp->if_ierrors++;
5808
5809 if (!(ifp->if_flags & IFF_PROMISC))
5810 {
5811 m_free(m);
5812 goto skip;
5813 }
5814 }
5815 }
5816
5817 /* check for A-MPDU */
5818
5819 if (desc_flags & RT2860_RXDESC_FLAGS_BA)
5820 {
5821 m->m_flags |= M_AMPDU;
5822
5823 sc->rx_ampdu++;
5824
5825 if (wh->i_fc[1] & IEEE80211_FC1_RETRY)
5826 sc->rx_ampdu_retries++;
5827
5828 ampdu = 1;
5829 }
5830 else
5831 {
5832 ampdu = 0;
5833 }
5834
5835 /* check for A-MSDU */
5836
5837 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5838 {
5839 sc->rx_amsdu++;
5840
5841 amsdu = 1;
5842 }
5843 else
5844 {
5845 amsdu = 0;
5846 }
5847
5848 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5849 rssi = rxwi->rssi[ant];
5850 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5851 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5852 RT2860_RXWI_PHYMODE_MASK);
5853 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5854 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5855 RT2860_RXWI_SHORTGI_MASK);
5856 stbc = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_STBC_SHIFT) &
5857 RT2860_RXWI_STBC_MASK);
5858 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5859 tid = ((rxwi->tid_size >> RT2860_RXWI_TID_SHIFT) & RT2860_RXWI_TID_MASK);
5860 seq = ((rxwi->seq_frag >> RT2860_RXWI_SEQ_SHIFT) & RT2860_RXWI_SEQ_MASK);
5861 frag = ((rxwi->seq_frag >> RT2860_RXWI_FRAG_SHIFT) & RT2860_RXWI_FRAG_MASK);
5862
5863 if (ieee80211_radiotap_active(ic))
5864 {
5865 tap = &sc->rxtap;
5866
5867 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5868 tap->dbm_antsignal = rssi_dbm;
5869 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5870 tap->antenna = ant;
5871 tap->antsignal = rssi;
5872 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5873 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5874 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5875 tap->chan_maxpow = 0;
5876
5877 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5878 tap->rate = mcs | IEEE80211_RATE_MCS;
5879 else
5880 tap->rate = rt2860_rxrate(rxwi);
5881
5882 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5883 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5884
5885 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5886 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5887
5888 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5889 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5890
5891 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5892 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5893 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5894
5895 if (shortgi)
5896 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5897
5898 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
5899
5900 if (ampdu)
5901 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
5902 }
5903
5904 /*
5905 * net80211 assumes that RSSI data are in the range [-127..127] and
5906 * in .5 dBm units relative to the current noise floor
5907 */
5908
5909 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5910 if (rssi_dbm_rel > 127)
5911 rssi_dbm_rel = 127;
5912
5913 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5914 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
5915 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
5916 "retry=%d, rssi_dbm=%d, rssi_dbm_rel=%d\n",
5917 device_get_nameunit(sc->dev),
5918 len, phymode, bw, shortgi, stbc, mcs,
5919 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5920 rxwi->snr[0], rxwi->snr[1],
5921 rxwi->wcid, ampdu, amsdu, tid, seq, frag, (wh->i_fc[1] & IEEE80211_FC1_RETRY) ? 1 : 0,
5922 rssi_dbm, rssi_dbm_rel);
5923
5924 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5925 if (ni != NULL)
5926 {
5927 rni = (struct rt2860_softc_node *) ni;
5928
5929 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5930 {
5931 rni->last_rssi[i] = rxwi->rssi[i];
5932 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5933 }
5934
5935 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5936 ieee80211_free_node(ni);
5937 }
5938 else
5939 {
5940 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5941 }
5942
5943 skip:
5944
5945 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5946
5947 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5948 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5949
5950 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5951
5952 limit--;
5953 }
5954
5955 if (ring->cur == 0)
5956 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5957 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5958 else
5959 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5960 ring->cur - 1);
5961
5962 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5963 "%s: Rx eof: nframes=%d\n",
5964 device_get_nameunit(sc->dev), nframes);
5965
5966 sc->rx_packets += nframes;
5967
5968 return (limit == 0);
5969 }
5970
5971 /*
5972 * rt2860_tx_eof
5973 */
5974 static void rt2860_tx_eof(struct rt2860_softc *sc,
5975 struct rt2860_softc_tx_ring *ring)
5976 {
5977 struct ifnet *ifp;
5978 struct rt2860_txdesc *desc;
5979 struct rt2860_softc_tx_data *data;
5980 uint32_t index;
5981 int ndescs, nframes;
5982
5983 ifp = sc->ifp;
5984
5985 ndescs = 0;
5986 nframes = 0;
5987
5988 for (;;)
5989 {
5990 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5991 if (ring->desc_next == index)
5992 break;
5993
5994 ndescs++;
5995
5996 rt2860_drain_fifo_stats(sc);
5997
5998 desc = &ring->desc[ring->desc_next];
5999
6000 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6001 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
6002
6003 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
6004 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
6005 {
6006 nframes++;
6007
6008 data = &ring->data[ring->data_next];
6009
6010 if (data->m->m_flags & M_TXCB)
6011 ieee80211_process_callback(data->ni, data->m, 0);
6012
6013 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6014 BUS_DMASYNC_POSTWRITE);
6015 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6016
6017 m_freem(data->m);
6018
6019 ieee80211_free_node(data->ni);
6020
6021 data->m = NULL;
6022 data->ni = NULL;
6023
6024 ifp->if_opackets++;
6025
6026 RT2860_SOFTC_TX_RING_LOCK(ring);
6027
6028 ring->data_queued--;
6029 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
6030
6031 RT2860_SOFTC_TX_RING_UNLOCK(ring);
6032 }
6033
6034 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
6035
6036 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6037 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6038
6039 RT2860_SOFTC_TX_RING_LOCK(ring);
6040
6041 ring->desc_queued--;
6042 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
6043
6044 RT2860_SOFTC_TX_RING_UNLOCK(ring);
6045 }
6046
6047 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
6048 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
6049 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
6050 }
6051
6052 /*
6053 * rt2860_update_stats
6054 */
6055 static void rt2860_update_stats(struct rt2860_softc *sc)
6056 {
6057 struct ifnet *ifp;
6058 struct ieee80211com *ic;
6059 uint32_t stacnt[3];
6060 int beacons, noretryok, retryok, failed, underflows, zerolen;
6061
6062 ifp = sc->ifp;
6063 ic = ifp->if_l2com;
6064
6065 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
6066 "%s: update statistic\n",
6067 device_get_nameunit(sc->dev));
6068
6069 rt2860_drain_fifo_stats(sc);
6070
6071 /* read and clear Tx statistic registers */
6072
6073 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
6074 stacnt, sizeof(stacnt));
6075
6076 stacnt[0] = le32toh(stacnt[0]);
6077 stacnt[1] = le32toh(stacnt[1]);
6078 stacnt[2] = le32toh(stacnt[2]);
6079
6080 beacons = stacnt[0] >> 16;
6081 noretryok = stacnt[1] & 0xffff;
6082 retryok = stacnt[1] >> 16;
6083 failed = stacnt[0] & 0xffff;
6084 underflows = stacnt[2] >> 16;
6085 zerolen = stacnt[2] & 0xffff;
6086
6087 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
6088 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
6089 device_get_nameunit(sc->dev),
6090 beacons, noretryok, retryok, failed, underflows, zerolen);
6091
6092 ifp->if_oerrors += failed;
6093
6094 sc->tx_beacons += beacons;
6095 sc->tx_noretryok += noretryok;
6096 sc->tx_retryok += retryok;
6097 sc->tx_failed += failed;
6098 sc->tx_underflows += underflows;
6099 sc->tx_zerolen += zerolen;
6100 }
6101
6102 /*
6103 * rt2860_bbp_tuning
6104 */
6105 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
6106 {
6107 struct ifnet *ifp;
6108 struct ieee80211com *ic;
6109 struct ieee80211vap *vap;
6110 struct ieee80211_node *ni;
6111 int chan, group;
6112 int8_t rssi, old, new;
6113
6114 /* RT2860C does not support BBP tuning */
6115
6116 if (sc->mac_rev == 0x28600100)
6117 return;
6118
6119 ifp = sc->ifp;
6120 ic = ifp->if_l2com;
6121 vap = TAILQ_FIRST(&ic->ic_vaps);
6122
6123 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
6124 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
6125 return;
6126
6127 ni = vap->iv_bss;
6128
6129 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
6130
6131 if (chan <= 14)
6132 group = 0;
6133 else if (chan <= 64)
6134 group = 1;
6135 else if (chan <= 128)
6136 group = 2;
6137 else
6138 group = 3;
6139
6140 rssi = ieee80211_getrssi(vap);
6141
6142 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
6143 {
6144 new = 0x2e + sc->lna_gain[group];
6145 }
6146 else
6147 {
6148 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
6149 new = 0x32 + sc->lna_gain[group] * 5 / 3;
6150 else
6151 new = 0x3a + sc->lna_gain[group] * 5 / 3;
6152 }
6153
6154 /* Tune if absolute average RSSI is greater than -80 */
6155
6156 if (rssi > 30)
6157 new += 0x10;
6158
6159 old = rt2860_io_bbp_read(sc, 66);
6160
6161 if (old != new)
6162 rt2860_io_bbp_write(sc, 66, new);
6163 }
6164
6165 /*
6166 * rt2860_watchdog
6167 */
6168 static void rt2860_watchdog(struct rt2860_softc *sc)
6169 {
6170 uint32_t tmp;
6171 int ntries;
6172
6173 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
6174
6175 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
6176 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
6177 device_get_nameunit(sc->dev), tmp);
6178
6179 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
6180 {
6181 sc->tx_queue_not_empty[0]++;
6182
6183 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
6184
6185 for (ntries = 0; ntries < 10; ntries++)
6186 {
6187 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
6188 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
6189 break;
6190
6191 DELAY(1);
6192 }
6193
6194 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
6195 }
6196
6197 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
6198 {
6199 sc->tx_queue_not_empty[1]++;
6200
6201 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
6202
6203 for (ntries = 0; ntries < 10; ntries++)
6204 {
6205 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
6206 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
6207 break;
6208
6209 DELAY(1);
6210 }
6211
6212 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
6213 }
6214 }
6215
6216 /*
6217 * rt2860_drain_fifo_stats
6218 */
6219 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
6220 {
6221 struct ifnet *ifp;
6222 uint32_t stats;
6223 uint8_t wcid, mcs, pid;
6224 int ok, agg, retrycnt;
6225
6226 ifp = sc->ifp;
6227
6228 /* drain Tx status FIFO (maxsize = 16) */
6229
6230 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
6231 RT2860_REG_TX_STA_FIFO_VALID)
6232 {
6233 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
6234 RT2860_REG_TX_STA_FIFO_WCID_MASK;
6235
6236 /* if no ACK was requested, no feedback is available */
6237
6238 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
6239 continue;
6240
6241 /* update AMRR statistic */
6242
6243 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
6244 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
6245 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
6246 RT2860_REG_TX_STA_FIFO_MCS_MASK;
6247 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
6248 RT2860_REG_TX_STA_FIFO_PID_MASK;
6249 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
6250
6251 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
6252 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
6253 device_get_nameunit(sc->dev),
6254 wcid, ok, agg, mcs, pid, retrycnt);
6255
6256 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
6257
6258 if (!ok)
6259 ifp->if_oerrors++;
6260 }
6261 }
6262
6263 /*
6264 * rt2860_update_raw_counters
6265 */
6266 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
6267 {
6268 uint32_t tmp;
6269
6270 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
6271
6272 sc->tx_nonagg += tmp & 0xffff;
6273 sc->tx_agg += tmp >> 16;
6274
6275 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
6276
6277 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
6278
6279 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
6280
6281 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
6282
6283 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
6284
6285 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
6286
6287 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
6288
6289 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6290
6291 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
6292
6293 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6294
6295 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
6296
6297 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6298
6299 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
6300
6301 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6302
6303 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
6304
6305 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6306
6307 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
6308
6309 sc->rx_crc_errors += tmp & 0xffff;
6310 sc->rx_phy_errors += tmp >> 16;
6311
6312 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
6313
6314 sc->rx_false_ccas += tmp & 0xffff;
6315 sc->rx_plcp_errors += tmp >> 16;
6316
6317 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
6318
6319 sc->rx_dup_packets += tmp & 0xffff;
6320 sc->rx_fifo_overflows += tmp >> 16;
6321
6322 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
6323
6324 sc->tx_mpdu_zero_density += tmp & 0xffff;
6325 sc->rx_mpdu_zero_density += tmp >> 16;
6326 }
6327
6328 /*
6329 * rt2860_intr_enable
6330 */
6331 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
6332 {
6333 uint32_t tmp;
6334
6335 sc->intr_disable_mask &= ~intr_mask;
6336
6337 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6338
6339 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6340 }
6341
6342 /*
6343 * rt2860_intr_disable
6344 */
6345 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
6346 {
6347 uint32_t tmp;
6348
6349 sc->intr_disable_mask |= intr_mask;
6350
6351 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6352
6353 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6354 }
6355
6356 /*
6357 * rt2860_txrx_enable
6358 */
6359 static int rt2860_txrx_enable(struct rt2860_softc *sc)
6360 {
6361 struct ieee80211com *ic;
6362 struct ifnet *ifp;
6363 uint32_t tmp;
6364 int ntries;
6365
6366 ifp = sc->ifp;
6367 ic = ifp->if_l2com;
6368
6369 /* enable Tx/Rx DMA engine */
6370
6371 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
6372
6373 for (ntries = 0; ntries < 200; ntries++)
6374 {
6375 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
6376 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
6377 break;
6378
6379 DELAY(1000);
6380 }
6381
6382 if (ntries == 200)
6383 {
6384 printf("%s: timeout waiting for DMA engine\n",
6385 device_get_nameunit(sc->dev));
6386 return -1;
6387 }
6388
6389 DELAY(50);
6390
6391 tmp |= RT2860_REG_TX_WB_DDONE |
6392 RT2860_REG_RX_DMA_ENABLE |
6393 RT2860_REG_TX_DMA_ENABLE |
6394 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
6395
6396 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6397
6398 /* set Rx filter */
6399
6400 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
6401 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
6402
6403 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6404 {
6405 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
6406 RT2860_REG_RX_FILTER_DROP_CTS |
6407 RT2860_REG_RX_FILTER_DROP_BA |
6408 RT2860_REG_RX_FILTER_DROP_ACK |
6409 RT2860_REG_RX_FILTER_DROP_VER_ERR |
6410 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
6411 RT2860_REG_RX_FILTER_DROP_CFACK |
6412 RT2860_REG_RX_FILTER_DROP_CFEND;
6413
6414 if (ic->ic_opmode == IEEE80211_M_STA)
6415 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
6416 RT2860_REG_RX_FILTER_DROP_PSPOLL;
6417
6418 if (!(ifp->if_flags & IFF_PROMISC))
6419 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
6420 }
6421
6422 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
6423
6424 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
6425 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
6426
6427 return 0;
6428 }
6429
6430 /*
6431 * rt2860_alloc_rx_ring
6432 */
6433 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
6434 struct rt2860_softc_rx_ring *ring)
6435 {
6436 struct rt2860_rxdesc *desc;
6437 struct rt2860_softc_rx_data *data;
6438 bus_dma_segment_t segs[1];
6439 int i, nsegs, error;
6440
6441 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6442 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6443 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
6444 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6445 0, NULL, NULL, &ring->desc_dma_tag);
6446 if (error != 0)
6447 {
6448 printf("%s: could not create Rx desc DMA tag\n",
6449 device_get_nameunit(sc->dev));
6450 goto fail;
6451 }
6452
6453 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6454 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6455 if (error != 0)
6456 {
6457 printf("%s: could not allocate Rx desc DMA memory\n",
6458 device_get_nameunit(sc->dev));
6459 goto fail;
6460 }
6461
6462 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6463 ring->desc,
6464 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6465 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6466 if (error != 0)
6467 {
6468 printf("%s: could not load Rx desc DMA map\n",
6469 device_get_nameunit(sc->dev));
6470 goto fail;
6471 }
6472
6473 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6474 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6475 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
6476 &ring->data_dma_tag);
6477 if (error != 0)
6478 {
6479 printf("%s: could not create Rx data DMA tag\n",
6480 device_get_nameunit(sc->dev));
6481 goto fail;
6482 }
6483
6484 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6485 {
6486 desc = &ring->desc[i];
6487 data = &ring->data[i];
6488
6489 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6490 if (error != 0)
6491 {
6492 printf("%s: could not create Rx data DMA map\n",
6493 device_get_nameunit(sc->dev));
6494 goto fail;
6495 }
6496
6497 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
6498 if (data->m == NULL)
6499 {
6500 printf("%s: could not allocate Rx mbuf\n",
6501 device_get_nameunit(sc->dev));
6502 error = ENOMEM;
6503 goto fail;
6504 }
6505
6506 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
6507
6508 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
6509 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
6510 if (error != 0)
6511 {
6512 printf("%s: could not load Rx mbuf DMA map\n",
6513 device_get_nameunit(sc->dev));
6514 goto fail;
6515 }
6516
6517 KASSERT(nsegs == 1, ("%s: too many DMA segments",
6518 device_get_nameunit(sc->dev)));
6519
6520 desc->sdp0 = htole32(segs[0].ds_addr);
6521 desc->sdl0 = htole16(MJUMPAGESIZE);
6522 }
6523
6524 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
6525 if (error != 0)
6526 {
6527 printf("%s: could not create Rx spare DMA map\n",
6528 device_get_nameunit(sc->dev));
6529 goto fail;
6530 }
6531
6532 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6533 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6534
6535 return 0;
6536
6537 fail:
6538
6539 rt2860_free_rx_ring(sc, ring);
6540
6541 return error;
6542 }
6543
6544 /*
6545 * rt2860_reset_rx_ring
6546 */
6547 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
6548 struct rt2860_softc_rx_ring *ring)
6549 {
6550 struct rt2860_rxdesc *desc;
6551 int i;
6552
6553 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6554 {
6555 desc = &ring->desc[i];
6556
6557 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
6558 }
6559
6560 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6561 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6562
6563 ring->cur = 0;
6564 }
6565
6566 /*
6567 * rt2860_free_rx_ring
6568 */
6569 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
6570 struct rt2860_softc_rx_ring *ring)
6571 {
6572 struct rt2860_softc_rx_data *data;
6573 int i;
6574
6575 if (ring->desc != NULL)
6576 {
6577 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6578 BUS_DMASYNC_POSTWRITE);
6579 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6580 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6581 ring->desc_dma_map);
6582 }
6583
6584 if (ring->desc_dma_tag != NULL)
6585 bus_dma_tag_destroy(ring->desc_dma_tag);
6586
6587 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6588 {
6589 data = &ring->data[i];
6590
6591 if (data->m != NULL)
6592 {
6593 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6594 BUS_DMASYNC_POSTREAD);
6595 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6596 m_freem(data->m);
6597 }
6598
6599 if (data->dma_map != NULL)
6600 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6601 }
6602
6603 if (ring->spare_dma_map != NULL)
6604 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6605
6606 if (ring->data_dma_tag != NULL)
6607 bus_dma_tag_destroy(ring->data_dma_tag);
6608 }
6609
6610 /*
6611 * rt2860_alloc_tx_ring
6612 */
6613 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6614 struct rt2860_softc_tx_ring *ring, int qid)
6615 {
6616 struct rt2860_softc_tx_data *data;
6617 int error, i;
6618
6619 mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF);
6620
6621 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6622 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6623 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6624 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6625 0, NULL, NULL, &ring->desc_dma_tag);
6626 if (error != 0)
6627 {
6628 printf("%s: could not create Tx desc DMA tag\n",
6629 device_get_nameunit(sc->dev));
6630 goto fail;
6631 }
6632
6633 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6634 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6635 if (error != 0)
6636 {
6637 printf("%s: could not allocate Tx desc DMA memory\n",
6638 device_get_nameunit(sc->dev));
6639 goto fail;
6640 }
6641
6642 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6643 ring->desc,
6644 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6645 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6646 if (error != 0)
6647 {
6648 printf("%s: could not load Tx desc DMA map\n",
6649 device_get_nameunit(sc->dev));
6650 goto fail;
6651 }
6652
6653 ring->desc_queued = 0;
6654 ring->desc_cur = 0;
6655 ring->desc_next = 0;
6656
6657 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6658 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6659 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6660 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6661 0, NULL, NULL, &ring->seg0_dma_tag);
6662 if (error != 0)
6663 {
6664 printf("%s: could not create Tx seg0 DMA tag\n",
6665 device_get_nameunit(sc->dev));
6666 goto fail;
6667 }
6668
6669 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6670 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6671 if (error != 0)
6672 {
6673 printf("%s: could not allocate Tx seg0 DMA memory\n",
6674 device_get_nameunit(sc->dev));
6675 goto fail;
6676 }
6677
6678 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6679 ring->seg0,
6680 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6681 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6682 if (error != 0)
6683 {
6684 printf("%s: could not load Tx seg0 DMA map\n",
6685 device_get_nameunit(sc->dev));
6686 goto fail;
6687 }
6688
6689 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6690 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6691 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6692 &ring->data_dma_tag);
6693 if (error != 0)
6694 {
6695 printf("%s: could not create Tx data DMA tag\n",
6696 device_get_nameunit(sc->dev));
6697 goto fail;
6698 }
6699
6700 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6701 {
6702 data = &ring->data[i];
6703
6704 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6705 if (error != 0)
6706 {
6707 printf("%s: could not create Tx data DMA map\n",
6708 device_get_nameunit(sc->dev));
6709 goto fail;
6710 }
6711 }
6712
6713 ring->data_queued = 0;
6714 ring->data_cur = 0;
6715 ring->data_next = 0;
6716
6717 ring->qid = qid;
6718
6719 return 0;
6720
6721 fail:
6722
6723 rt2860_free_tx_ring(sc, ring);
6724
6725 return error;
6726 }
6727
6728 /*
6729 * rt2860_reset_tx_ring
6730 */
6731 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6732 struct rt2860_softc_tx_ring *ring)
6733 {
6734 struct rt2860_softc_tx_data *data;
6735 struct rt2860_txdesc *desc;
6736 int i;
6737
6738 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6739 {
6740 desc = &ring->desc[i];
6741
6742 desc->sdl0 = 0;
6743 desc->sdl1 = 0;
6744 }
6745
6746 ring->desc_queued = 0;
6747 ring->desc_cur = 0;
6748 ring->desc_next = 0;
6749
6750 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6751 BUS_DMASYNC_PREWRITE);
6752
6753 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6754 BUS_DMASYNC_PREWRITE);
6755
6756 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6757 {
6758 data = &ring->data[i];
6759
6760 if (data->m != NULL)
6761 {
6762 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6763 BUS_DMASYNC_POSTWRITE);
6764 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6765 m_freem(data->m);
6766 data->m = NULL;
6767 }
6768
6769 if (data->ni != NULL)
6770 {
6771 ieee80211_free_node(data->ni);
6772 data->ni = NULL;
6773 }
6774 }
6775
6776 ring->data_queued = 0;
6777 ring->data_cur = 0;
6778 ring->data_next = 0;
6779 }
6780
6781 /*
6782 * rt2860_free_tx_ring
6783 */
6784 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6785 struct rt2860_softc_tx_ring *ring)
6786 {
6787 struct rt2860_softc_tx_data *data;
6788 int i;
6789
6790 if (ring->desc != NULL)
6791 {
6792 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6793 BUS_DMASYNC_POSTWRITE);
6794 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6795 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6796 ring->desc_dma_map);
6797 }
6798
6799 if (ring->desc_dma_tag != NULL)
6800 bus_dma_tag_destroy(ring->desc_dma_tag);
6801
6802 if (ring->seg0 != NULL)
6803 {
6804 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6805 BUS_DMASYNC_POSTWRITE);
6806 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6807 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6808 ring->seg0_dma_map);
6809 }
6810
6811 if (ring->seg0_dma_tag != NULL)
6812 bus_dma_tag_destroy(ring->seg0_dma_tag);
6813
6814 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6815 {
6816 data = &ring->data[i];
6817
6818 if (data->m != NULL)
6819 {
6820 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6821 BUS_DMASYNC_POSTWRITE);
6822 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6823 m_freem(data->m);
6824 }
6825
6826 if (data->ni != NULL)
6827 ieee80211_free_node(data->ni);
6828
6829 if (data->dma_map != NULL)
6830 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6831 }
6832
6833 if (ring->data_dma_tag != NULL)
6834 bus_dma_tag_destroy(ring->data_dma_tag);
6835
6836 mtx_destroy(&ring->lock);
6837 }
6838
6839 /*
6840 * rt2860_dma_map_addr
6841 */
6842 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6843 int nseg, int error)
6844 {
6845 if (error != 0)
6846 return;
6847
6848 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6849
6850 *(bus_addr_t *) arg = segs[0].ds_addr;
6851 }
6852
6853 /*
6854 * rt2860_sysctl_attach
6855 */
6856 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6857 {
6858 struct sysctl_ctx_list *ctx;
6859 struct sysctl_oid *tree;
6860 struct sysctl_oid *stats;
6861
6862 ctx = device_get_sysctl_ctx(sc->dev);
6863 tree = device_get_sysctl_tree(sc->dev);
6864
6865 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6866 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6867 "Tx STBC");
6868
6869 /* statistic counters */
6870
6871 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6872 "stats", CTLFLAG_RD, 0, "statistic");
6873
6874 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6875 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6876 "all interrupts");
6877
6878 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6879 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6880 "Tx coherent interrupts");
6881
6882 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6883 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6884 "Rx coherent interrupts");
6885
6886 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6887 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6888 "Tx/Rx coherent interrupts");
6889
6890 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6891 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6892 "FIFO statistic full interrupts");
6893
6894 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6895 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6896 "Rx interrupts");
6897
6898 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6899 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6900 "Rx delay interrupts");
6901
6902 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6903 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6904 "Tx MGMT interrupts");
6905
6906 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6907 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6908 "Tx HCCA interrupts");
6909
6910 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6911 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6912 "Tx AC3 interrupts");
6913
6914 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6915 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6916 "Tx AC2 interrupts");
6917
6918 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6919 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6920 "Tx AC1 interrupts");
6921
6922 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6923 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6924 "Tx AC0 interrupts");
6925
6926 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6927 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6928 "Tx delay interrupts");
6929
6930 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6931 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6932 "Pre-TBTT interrupts");
6933
6934 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6935 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6936 "TBTT interrupts");
6937
6938 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6939 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6940 "MCU command interrupts");
6941
6942 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6943 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6944 "auto wakeup interrupts");
6945
6946 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6947 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6948 "GP timer interrupts");
6949
6950 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6951 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6952 "Tx MGMT descriptors queued");
6953
6954 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6955 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6956 "Tx MGMT data queued");
6957
6958 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6959 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6960 "Tx HCCA descriptors queued");
6961
6962 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6963 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6964 "Tx HCCA data queued");
6965
6966 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6967 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6968 "Tx AC3 descriptors queued");
6969
6970 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6971 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6972 "Tx AC3 data queued");
6973
6974 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6975 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6976 "Tx AC2 descriptors queued");
6977
6978 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6979 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6980 "Tx AC2 data queued");
6981
6982 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6983 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6984 "Tx AC1 descriptors queued");
6985
6986 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6987 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6988 "Tx AC1 data queued");
6989
6990 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6991 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6992 "Tx AC0 descriptors queued");
6993
6994 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6995 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6996 "Tx AC0 data queued");
6997
6998 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6999 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
7000 "Tx MGMT data queue full");
7001
7002 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7003 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
7004 "Tx HCCA data queue full");
7005
7006 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7007 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
7008 "Tx AC3 data queue full");
7009
7010 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7011 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
7012 "Tx AC2 data queue full");
7013
7014 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7015 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
7016 "Tx AC1 data queue full");
7017
7018 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7019 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
7020 "Tx AC0 data queue full");
7021
7022 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7023 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
7024 "Tx watchdog timeouts");
7025
7026 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7027 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
7028 "Tx defragmented packets");
7029
7030 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7031 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
7032 "no Tx descriptors available");
7033
7034 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7035 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
7036 "Rx mbuf allocation errors");
7037
7038 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7039 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
7040 "Rx mbuf DMA mapping errors");
7041
7042 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7043 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
7044 "Tx queue 0 not empty");
7045
7046 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7047 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
7048 "Tx queue 1 not empty");
7049
7050 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7051 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
7052 "Tx beacons");
7053
7054 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7055 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
7056 "Tx successfull without retries");
7057
7058 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7059 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
7060 "Tx successfull with retries");
7061
7062 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7063 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
7064 "Tx failed");
7065
7066 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7067 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
7068 "Tx underflows");
7069
7070 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7071 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
7072 "Tx zero length");
7073
7074 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7075 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
7076 "Tx non-aggregated");
7077
7078 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7079 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
7080 "Tx aggregated");
7081
7082 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7083 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
7084 "Tx A-MPDU");
7085
7086 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7087 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
7088 "Tx MPDU with zero density");
7089
7090 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7091 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
7092 "Tx A-MPDU sessions");
7093
7094 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7095 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
7096 "Rx packets");
7097
7098 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7099 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
7100 "Rx A-MPDU");
7101
7102 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7103 "rx_ampdu_retries", CTLFLAG_RD, &sc->rx_ampdu_retries, 0,
7104 "Rx A-MPDU retries");
7105
7106 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7107 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
7108 "Rx MPDU with zero density");
7109
7110 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7111 "rx_ampdu_sessions", CTLFLAG_RD, &sc->rx_ampdu_sessions, 0,
7112 "Rx A-MPDU sessions");
7113
7114 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7115 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
7116 "Rx A-MSDU");
7117
7118 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7119 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
7120 "Rx CRC errors");
7121
7122 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7123 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
7124 "Rx PHY errors");
7125
7126 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7127 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
7128 "Rx false CCAs");
7129
7130 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7131 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
7132 "Rx PLCP errors");
7133
7134 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7135 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
7136 "Rx duplicate packets");
7137
7138 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7139 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
7140 "Rx FIFO overflows");
7141
7142 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7143 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
7144 "Rx cipher no errors");
7145
7146 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7147 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
7148 "Rx cipher ICV errors");
7149
7150 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7151 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
7152 "Rx cipher MIC errors");
7153
7154 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7155 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
7156 "Rx cipher invalid key errors");
7157 }
7158
7159 static device_method_t rt2860_dev_methods[] =
7160 {
7161 DEVMETHOD(device_probe, rt2860_probe),
7162 DEVMETHOD(device_attach, rt2860_attach),
7163 DEVMETHOD(device_detach, rt2860_detach),
7164 DEVMETHOD(device_shutdown, rt2860_shutdown),
7165 DEVMETHOD(device_suspend, rt2860_suspend),
7166 DEVMETHOD(device_resume, rt2860_resume),
7167 { 0, 0 }
7168 };
7169
7170 static driver_t rt2860_driver =
7171 {
7172 "rt2860",
7173 rt2860_dev_methods,
7174 sizeof(struct rt2860_softc)
7175 };
7176
7177 static devclass_t rt2860_dev_class;
7178
7179 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
7180
7181 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
7182 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860