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Introduced Rx A-MPDU retry statistic counter in order to debug A-MPDU Rx problems
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blobab8eb699fe372eb3b9f548667b3683177bee22d9
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2860_softc.h"
20 #include "rt2860_reg.h"
21 #include "rt2860_eeprom.h"
22 #include "rt2860_ucode.h"
23 #include "rt2860_txwi.h"
24 #include "rt2860_rxwi.h"
25 #include "rt2860_io.h"
26 #include "rt2860_read_eeprom.h"
27 #include "rt2860_led.h"
28 #include "rt2860_rf.h"
29 #include "rt2860_debug.h"
30
31 /*
32 * Defines and macros
33 */
34
35 #define PCI_VENDOR_RALINK 0x1814
36 #define PCI_PRODUCT_RALINK_RT2860_PCI 0x0601
37 #define PCI_PRODUCT_RALINK_RT2860_PCIe 0x0681
38 #define PCI_PRODUCT_RALINK_RT2760_PCI 0x0701
39 #define PCI_PRODUCT_RALINK_RT2790_PCIe 0x0781
40
41 #define RT2860_MAX_AGG_SIZE 3840
42
43 #define RT2860_TX_DATA_SEG0_SIZE \
44 (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4))
45
46 #define RT2860_NOISE_FLOOR -95
47
48 #define RT2860_AID2WCID(aid) ((aid) & 0xff)
49
50 #define RT2860_ACK_SIZE 14
51
52 #define IEEE80211_HAS_ADDR4(wh) \
53 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
54
55 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
56 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
57
58 #define RT2860_TX_WATCHDOG_TIMEOUT 5
59
60 #define RT2860_WCID_RESERVED 0xff
61 #define RT2860_WCID_MCAST 0xf7
62
63 /*
64 * Data structures and types
65 */
66
67 struct rt2860_pci_ident
68 {
69 uint16_t vendor;
70 uint16_t device;
71 const char *name;
72 };
73
74 /*
75 * Static function prototypes
76 */
77
78 static int rt2860_probe(device_t dev);
79
80 static int rt2860_attach(device_t dev);
81
82 static int rt2860_detach(device_t dev);
83
84 static int rt2860_shutdown(device_t dev);
85
86 static int rt2860_suspend(device_t dev);
87
88 static int rt2860_resume(device_t dev);
89
90 static void rt2860_init_channels(struct rt2860_softc *sc);
91
92 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
93
94 static void rt2860_init_locked(void *priv);
95
96 static void rt2860_init(void *priv);
97
98 static int rt2860_init_bbp(struct rt2860_softc *sc);
99
100 static void rt2860_stop_locked(void *priv);
101
102 static void rt2860_stop(void *priv);
103
104 static void rt2860_start(struct ifnet *ifp);
105
106 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
107
108 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
109 const char name[IFNAMSIZ], int unit, int opmode, int flags,
110 const uint8_t bssid[IEEE80211_ADDR_LEN],
111 const uint8_t mac[IEEE80211_ADDR_LEN]);
112
113 static void rt2860_vap_delete(struct ieee80211vap *vap);
114
115 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
116
117 static int rt2860_vap_newstate(struct ieee80211vap *vap,
118 enum ieee80211_state nstate, int arg);
119
120 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
121
122 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
123
124 static int rt2860_vap_key_set(struct ieee80211vap *vap,
125 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
126
127 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
128 const struct ieee80211_key *k);
129
130 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
131
132 static int rt2860_media_change(struct ifnet *ifp);
133
134 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
135 const uint8_t mac[IEEE80211_ADDR_LEN]);
136
137 static void rt2860_node_cleanup(struct ieee80211_node *ni);
138
139 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
140 struct ieee80211_mimo_info *mi);
141
142 static int rt2860_setregdomain(struct ieee80211com *ic,
143 struct ieee80211_regdomain *reg,
144 int nchans, struct ieee80211_channel chans[]);
145
146 static void rt2860_getradiocaps(struct ieee80211com *ic,
147 int maxchans, int *nchans, struct ieee80211_channel chans[]);
148
149 static void rt2860_scan_start(struct ieee80211com *ic);
150
151 static void rt2860_scan_end(struct ieee80211com *ic);
152
153 static void rt2860_set_channel(struct ieee80211com *ic);
154
155 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
156
157 static void rt2860_updateslot(struct ifnet *ifp);
158
159 static void rt2860_update_promisc(struct ifnet *ifp);
160
161 static void rt2860_update_mcast(struct ifnet *ifp);
162
163 static int rt2860_wme_update(struct ieee80211com *ic);
164
165 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
166 const struct ieee80211_bpf_params *params);
167
168 static int rt2860_recv_action(struct ieee80211_node *ni,
169 const struct ieee80211_frame *wh,
170 const uint8_t *frm, const uint8_t *efrm);
171
172 static int rt2860_send_action(struct ieee80211_node *ni,
173 int cat, int act, void *sa);
174
175 static int rt2860_addba_response(struct ieee80211_node *ni,
176 struct ieee80211_tx_ampdu *tap,
177 int status, int baparamset, int batimeout);
178
179 static void rt2860_addba_stop(struct ieee80211_node *ni,
180 struct ieee80211_tx_ampdu *tap);
181
182 static int rt2860_send_bar(struct ieee80211_node *ni,
183 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno);
184
185 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
186
187 static void rt2860_periodic(void *arg);
188
189 static void rt2860_tx_watchdog(void *arg);
190
191 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid);
192
193 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid);
194
195 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
196 const uint8_t *bssid);
197
198 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
199 const uint8_t *addr);
200
201 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
202
203 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
204
205 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
206
207 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
208
209 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
210
211 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
212
213 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
214
215 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
216
217 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
218
219 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
220
221 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
222
223 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
224 struct ieee80211vap *vap);
225
226 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
227
228 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
229 struct ieee80211vap *vap);
230
231 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
232
233 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
234 const struct rt2860_rxwi *rxwi);
235
236 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
237 uint8_t rssi, uint8_t rxpath);
238
239 static uint8_t rt2860_rate2mcs(uint8_t rate);
240
241 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
242 struct mbuf *m, struct ieee80211_node *ni, int qid);
243
244 static int rt2860_tx_data(struct rt2860_softc *sc,
245 struct mbuf *m, struct ieee80211_node *ni, int qid);
246
247 static int rt2860_tx_raw(struct rt2860_softc *sc,
248 struct mbuf *m, struct ieee80211_node *ni,
249 const struct ieee80211_bpf_params *params);
250
251 static void rt2860_intr(void *arg);
252
253 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
254
255 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
256
257 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
258
259 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
260
261 static void rt2860_rx_intr(struct rt2860_softc *sc);
262
263 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
264
265 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
266
267 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
268
269 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
270
271 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
272
273 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
274
275 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
276
277 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
278
279 static void rt2860_rx_done_task(void *context, int pending);
280
281 static void rt2860_tx_done_task(void *context, int pending);
282
283 static void rt2860_fifo_sta_full_task(void *context, int pending);
284
285 static void rt2860_periodic_task(void *context, int pending);
286
287 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
288
289 static void rt2860_tx_eof(struct rt2860_softc *sc,
290 struct rt2860_softc_tx_ring *ring);
291
292 static void rt2860_update_stats(struct rt2860_softc *sc);
293
294 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
295
296 static void rt2860_watchdog(struct rt2860_softc *sc);
297
298 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
299
300 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
301
302 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
303
304 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
305
306 static int rt2860_txrx_enable(struct rt2860_softc *sc);
307
308 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
309 struct rt2860_softc_rx_ring *ring);
310
311 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
312 struct rt2860_softc_rx_ring *ring);
313
314 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
315 struct rt2860_softc_rx_ring *ring);
316
317 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
318 struct rt2860_softc_tx_ring *ring, int qid);
319
320 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
321 struct rt2860_softc_tx_ring *ring);
322
323 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
324 struct rt2860_softc_tx_ring *ring);
325
326 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
327 int nseg, int error);
328
329 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
330
331 /*
332 * Static variables
333 */
334
335 static const struct rt2860_pci_ident rt2860_pci_ids[] =
336 {
337 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
338 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
339 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
340 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
341 { 0, 0, NULL }
342 };
343
344 static const struct
345 {
346 uint32_t reg;
347 uint32_t val;
348 } rt2860_def_mac[] =
349 {
350 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
351 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
352 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
353 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
354 { RT2860_REG_SYS_CTRL, 0x00000000 },
355 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
356 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
357 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
358 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
359 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
360 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
361 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
362 { RT2860_REG_LED_CFG, 0x7f031e46 },
363 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
364 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
365 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
366 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
367 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
368 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
369 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
370 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
371 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
372 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
373 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
374 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
375 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
376 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
377 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
378 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
379 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
380 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
381 };
382
383 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
384
385 static const struct
386 {
387 uint8_t reg;
388 uint8_t val;
389 } rt2860_def_bbp[] =
390 {
391 { 65, 0x2c },
392 { 66, 0x38 },
393 { 69, 0x12 },
394 { 70, 0x0a },
395 { 73, 0x10 },
396 { 81, 0x37 },
397 { 82, 0x62 },
398 { 83, 0x6a },
399 { 84, 0x99 },
400 { 86, 0x00 },
401 { 91, 0x04 },
402 { 92, 0x00 },
403 { 103, 0x00 },
404 { 105, 0x05 },
405 { 106, 0x35 },
406 };
407
408 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
409
410 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
411
412 static int rt2860_tx_stbc = 1;
413 SYSCTL_INT(_hw_rt2860, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2860_tx_stbc, 0, "rt2860 Tx STBC");
414 TUNABLE_INT("hw.rt2860.tx_stbc", &rt2860_tx_stbc);
415
416 #ifdef RT2860_DEBUG
417 static int rt2860_debug = 0;
418 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
419 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
420 #endif
421
422 /*
423 * rt2860_probe
424 */
425 static int rt2860_probe(device_t dev)
426 {
427 const struct rt2860_pci_ident *ident;
428
429 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
430 {
431 if (pci_get_vendor(dev) == ident->vendor &&
432 pci_get_device(dev) == ident->device)
433 {
434 device_set_desc(dev, ident->name);
435 return 0;
436 }
437 }
438
439 return ENXIO;
440 }
441
442 /*
443 * rt2860_attach
444 */
445 static int rt2860_attach(device_t dev)
446 {
447 struct rt2860_softc *sc;
448 struct ifnet *ifp;
449 struct ieee80211com *ic;
450 int error, ntries, i;
451
452 sc = device_get_softc(dev);
453
454 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
455 {
456 printf("%s: chip is in D%d power mode, setting to D0\n",
457 device_get_nameunit(dev), pci_get_powerstate(dev));
458 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
459 }
460
461 /* enable bus-mastering */
462
463 pci_enable_busmaster(dev);
464
465 sc->dev = dev;
466
467 mtx_init(&sc->lock, device_get_nameunit(dev),
468 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
469
470 sc->mem_rid = PCIR_BAR(0);
471 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
472 &sc->mem_rid, RF_ACTIVE);
473 if (sc->mem == NULL)
474 {
475 printf("%s: could not allocate memory resource\n",
476 device_get_nameunit(dev));
477 error = ENXIO;
478 goto fail;
479 }
480
481 sc->bst = rman_get_bustag(sc->mem);
482 sc->bsh = rman_get_bushandle(sc->mem);
483
484 sc->irq_rid = 0;
485 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
486 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
487 if (sc->irq == NULL)
488 {
489 printf("%s: could not allocate interrupt resource\n",
490 device_get_nameunit(dev));
491 error = ENXIO;
492 goto fail;
493 }
494
495 sc->tx_stbc = rt2860_tx_stbc;
496
497 #ifdef RT2860_DEBUG
498 sc->debug = rt2860_debug;
499
500 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
501 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
502 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
503 #endif
504
505 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
506 "%s: attaching\n",
507 device_get_nameunit(sc->dev));
508
509 /* wait for NIC to initialize */
510
511 for (ntries = 0; ntries < 100; ntries++)
512 {
513 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
514 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
515 break;
516
517 DELAY(10);
518 }
519
520 if (ntries == 100)
521 {
522 printf("%s: timeout waiting for NIC to initialize\n",
523 device_get_nameunit(dev));
524 error = EIO;
525 goto fail;
526 }
527
528 rt2860_read_eeprom(sc);
529
530 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
531 device_get_nameunit(sc->dev), sc->mac_rev,
532 rt2860_rf_name(sc->rf_rev));
533
534 /* clear key tables */
535
536 rt2860_asic_clear_keytables(sc);
537
538 /* allocate Tx and Rx rings */
539
540 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
541 {
542 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
543 if (error != 0)
544 {
545 printf("%s: could not allocate Tx ring #%d\n",
546 device_get_nameunit(sc->dev), i);
547 goto fail;
548 }
549 }
550
551 sc->tx_ring_mgtqid = 5;
552
553 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
554 if (error != 0)
555 {
556 printf("%s: could not allocate Rx ring\n",
557 device_get_nameunit(sc->dev));
558 goto fail;
559 }
560
561 callout_init(&sc->periodic_ch, 0);
562 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
563
564 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
565 if (ifp == NULL)
566 {
567 printf("%s: could not if_alloc()\n",
568 device_get_nameunit(sc->dev));
569 error = ENOMEM;
570 goto fail;
571 }
572
573 ifp->if_softc = sc;
574
575 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
576
577 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
578
579 ifp->if_init = rt2860_init;
580 ifp->if_ioctl = rt2860_ioctl;
581 ifp->if_start = rt2860_start;
582
583 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
584 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
585 IFQ_SET_READY(&ifp->if_snd);
586
587 ic = ifp->if_l2com;
588
589 ic->ic_ifp = ifp;
590
591 ic->ic_phytype = IEEE80211_T_HT;
592 ic->ic_opmode = IEEE80211_M_STA;
593
594 ic->ic_caps = IEEE80211_C_MONITOR |
595 IEEE80211_C_IBSS |
596 IEEE80211_C_STA |
597 IEEE80211_C_AHDEMO |
598 IEEE80211_C_HOSTAP |
599 IEEE80211_C_WDS |
600 IEEE80211_C_MBSS |
601 IEEE80211_C_BGSCAN |
602 IEEE80211_C_TXPMGT |
603 IEEE80211_C_SHPREAMBLE |
604 IEEE80211_C_SHSLOT |
605 IEEE80211_C_TXFRAG |
606 IEEE80211_C_BURST |
607 IEEE80211_C_WME |
608 IEEE80211_C_WPA;
609
610 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
611 IEEE80211_CRYPTO_TKIP |
612 IEEE80211_CRYPTO_TKIPMIC |
613 IEEE80211_CRYPTO_AES_CCM;
614
615 ic->ic_htcaps = IEEE80211_HTC_HT |
616 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
617 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
618 IEEE80211_HTC_SMPS | /* MIMO power save */
619 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
620 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
621 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
622 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
623 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
624 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
625
626 /* spatial streams */
627
628 if (sc->nrxpath == 2)
629 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
630 else if (sc->nrxpath == 3)
631 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
632 else
633 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
634
635 if (sc->ntxpath > 1)
636 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
637
638 /* delayed BA */
639
640 if (sc->mac_rev != 0x28600100)
641 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
642
643 /* init channels */
644
645 ic->ic_nchans = 0;
646
647 rt2860_init_channels(sc);
648
649 rt2860_init_channels_ht40(sc);
650
651 ieee80211_ifattach(ic, sc->mac_addr);
652
653 ic->ic_vap_create = rt2860_vap_create;
654 ic->ic_vap_delete = rt2860_vap_delete;
655
656 ic->ic_node_alloc = rt2860_node_alloc;
657
658 sc->node_cleanup = ic->ic_node_cleanup;
659 ic->ic_node_cleanup = rt2860_node_cleanup;
660
661 ic->ic_node_getmimoinfo = rt2860_node_getmimoinfo;
662 ic->ic_setregdomain = rt2860_setregdomain;
663 ic->ic_getradiocaps = rt2860_getradiocaps;
664 ic->ic_scan_start = rt2860_scan_start;
665 ic->ic_scan_end = rt2860_scan_end;
666 ic->ic_set_channel = rt2860_set_channel;
667 ic->ic_newassoc = rt2860_newassoc;
668 ic->ic_updateslot = rt2860_updateslot;
669 ic->ic_update_promisc = rt2860_update_promisc;
670 ic->ic_update_mcast = rt2860_update_mcast;
671 ic->ic_wme.wme_update = rt2860_wme_update;
672 ic->ic_raw_xmit = rt2860_raw_xmit;
673
674 sc->recv_action = ic->ic_recv_action;
675 ic->ic_recv_action = rt2860_recv_action;
676
677 sc->send_action = ic->ic_send_action;
678 ic->ic_send_action = rt2860_send_action;
679
680 sc->addba_response = ic->ic_addba_response;
681 ic->ic_addba_response = rt2860_addba_response;
682
683 sc->addba_stop = ic->ic_addba_stop;
684 ic->ic_addba_stop = rt2860_addba_stop;
685
686 /* hardware requires padding between 802.11 frame header and body */
687
688 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
689
690 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
691
692 ieee80211_radiotap_attach(ic,
693 &sc->txtap.ihdr, sizeof(sc->txtap),
694 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
695 &sc->rxtap.ihdr, sizeof(sc->rxtap),
696 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
697
698 /* init task queue */
699
700 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
701 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
702 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
703 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
704
705 sc->rx_process_limit = 100;
706
707 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
708 taskqueue_thread_enqueue, &sc->taskqueue);
709
710 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
711 device_get_nameunit(sc->dev));
712
713 rt2860_sysctl_attach(sc);
714
715 if (bootverbose)
716 ieee80211_announce(ic);
717
718 /* set up interrupt */
719
720 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
721 NULL, rt2860_intr, sc, &sc->irqh);
722 if (error != 0)
723 {
724 printf("%s: could not set up interrupt\n",
725 device_get_nameunit(dev));
726 goto fail;
727 }
728
729 return 0;
730
731 fail:
732
733 /* free Tx and Rx rings */
734
735 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
736 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
737
738 rt2860_free_rx_ring(sc, &sc->rx_ring);
739
740 mtx_destroy(&sc->lock);
741
742 if (sc->mem != NULL)
743 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
744
745 if (sc->irq != NULL)
746 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
747
748 return error;
749 }
750
751 /*
752 * rt2860_detach
753 */
754 static int rt2860_detach(device_t dev)
755 {
756 struct rt2860_softc *sc;
757 struct ifnet *ifp;
758 struct ieee80211com *ic;
759 int i;
760
761 sc = device_get_softc(dev);
762 ifp = sc->ifp;
763 ic = ifp->if_l2com;
764
765 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
766 "%s: detaching\n",
767 device_get_nameunit(sc->dev));
768
769 RT2860_SOFTC_LOCK(sc);
770
771 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
772
773 callout_stop(&sc->periodic_ch);
774 callout_stop(&sc->tx_watchdog_ch);
775
776 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
777 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
778 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
779 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
780
781 /* free Tx and Rx rings */
782
783 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
784 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
785
786 rt2860_free_rx_ring(sc, &sc->rx_ring);
787
788 RT2860_SOFTC_UNLOCK(sc);
789
790 ieee80211_ifdetach(ic);
791
792 if_free(ifp);
793
794 taskqueue_free(sc->taskqueue);
795
796 mtx_destroy(&sc->lock);
797
798 bus_generic_detach(dev);
799
800 bus_teardown_intr(dev, sc->irq, sc->irqh);
801
802 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
803
804 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
805
806 return 0;
807 }
808
809 /*
810 * rt2860_shutdown
811 */
812 static int rt2860_shutdown(device_t dev)
813 {
814 struct rt2860_softc *sc;
815
816 sc = device_get_softc(dev);
817
818 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
819 "%s: shutting down\n",
820 device_get_nameunit(sc->dev));
821
822 rt2860_stop(sc);
823
824 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
825
826 return 0;
827 }
828
829 /*
830 * rt2860_suspend
831 */
832 static int rt2860_suspend(device_t dev)
833 {
834 struct rt2860_softc *sc;
835
836 sc = device_get_softc(dev);
837
838 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
839 "%s: suspending\n",
840 device_get_nameunit(sc->dev));
841
842 rt2860_stop(sc);
843
844 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
845
846 return 0;
847 }
848
849 /*
850 * rt2860_resume
851 */
852 static int rt2860_resume(device_t dev)
853 {
854 struct rt2860_softc *sc;
855 struct ifnet *ifp;
856
857 sc = device_get_softc(dev);
858 ifp = sc->ifp;
859
860 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
861 "%s: resuming\n",
862 device_get_nameunit(sc->dev));
863
864 if (ifp->if_flags & IFF_UP)
865 rt2860_init(sc);
866
867 return 0;
868 }
869
870 /*
871 * rt2860_init_channels
872 */
873 static void rt2860_init_channels(struct rt2860_softc *sc)
874 {
875 struct ifnet *ifp;
876 struct ieee80211com *ic;
877 struct ieee80211_channel *c;
878 int i, flags;
879
880 ifp = sc->ifp;
881 ic = ifp->if_l2com;
882
883 /* set supported channels for 2GHz band */
884
885 for (i = 1; i <= 14; i++)
886 {
887 c = &ic->ic_channels[ic->ic_nchans++];
888 flags = IEEE80211_CHAN_B;
889
890 c->ic_freq = ieee80211_ieee2mhz(i, flags);
891 c->ic_ieee = i;
892 c->ic_flags = flags;
893
894 c = &ic->ic_channels[ic->ic_nchans++];
895 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
896
897 c->ic_freq = ieee80211_ieee2mhz(i, flags);
898 c->ic_ieee = i;
899 c->ic_flags = flags;
900
901 c = &ic->ic_channels[ic->ic_nchans++];
902 flags = IEEE80211_CHAN_G;
903
904 c->ic_freq = ieee80211_ieee2mhz(i, flags);
905 c->ic_ieee = i;
906 c->ic_flags = flags;
907
908 c = &ic->ic_channels[ic->ic_nchans++];
909 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
910
911 c->ic_freq = ieee80211_ieee2mhz(i, flags);
912 c->ic_ieee = i;
913 c->ic_flags = flags;
914 }
915
916 /* set supported channels for 5GHz band */
917
918 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
919 sc->rf_rev == RT2860_EEPROM_RF_2750)
920 {
921 for (i = 36; i <= 64; i += 4)
922 {
923 c = &ic->ic_channels[ic->ic_nchans++];
924 flags = IEEE80211_CHAN_A;
925
926 c->ic_freq = ieee80211_ieee2mhz(i, flags);
927 c->ic_ieee = i;
928 c->ic_flags = flags;
929
930 c = &ic->ic_channels[ic->ic_nchans++];
931 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
932
933 c->ic_freq = ieee80211_ieee2mhz(i, flags);
934 c->ic_ieee = i;
935 c->ic_flags = flags;
936 }
937
938 for (i = 100; i <= 140; i += 4)
939 {
940 c = &ic->ic_channels[ic->ic_nchans++];
941 flags = IEEE80211_CHAN_A;
942
943 c->ic_freq = ieee80211_ieee2mhz(i, flags);
944 c->ic_ieee = i;
945 c->ic_flags = flags;
946
947 c = &ic->ic_channels[ic->ic_nchans++];
948 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
949
950 c->ic_freq = ieee80211_ieee2mhz(i, flags);
951 c->ic_ieee = i;
952 c->ic_flags = flags;
953 }
954
955 for (i = 149; i <= 165; i += 4)
956 {
957 c = &ic->ic_channels[ic->ic_nchans++];
958 flags = IEEE80211_CHAN_A;
959
960 c->ic_freq = ieee80211_ieee2mhz(i, flags);
961 c->ic_ieee = i;
962 c->ic_flags = flags;
963
964 c = &ic->ic_channels[ic->ic_nchans++];
965 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
966
967 c->ic_freq = ieee80211_ieee2mhz(i, flags);
968 c->ic_ieee = i;
969 c->ic_flags = flags;
970 }
971 }
972 }
973
974 /*
975 * rt2860_init_channels_ht40
976 */
977 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
978 {
979 struct ifnet *ifp;
980 struct ieee80211com *ic;
981 struct ieee80211_channel *c, *cent, *ext;
982 int i, flags;
983
984 ifp = sc->ifp;
985 ic = ifp->if_l2com;
986
987 /* set supported channels for 2GHz band */
988
989 for (i = 1; i <= 14; i++)
990 {
991 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
992
993 /* find the center channel */
994
995 cent = ieee80211_find_channel_byieee(ic, i,
996 flags & ~IEEE80211_CHAN_HT);
997 if (cent == NULL)
998 {
999 printf("%s: skip channel %d, could not find center channel\n",
1000 device_get_nameunit(sc->dev), i);
1001 continue;
1002 }
1003
1004 /* find the extension channel */
1005
1006 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1007 flags & ~IEEE80211_CHAN_HT);
1008 if (ext == NULL)
1009 {
1010 printf("%s: skip channel %d, could not find extension channel\n",
1011 device_get_nameunit(sc->dev), i);
1012 continue;
1013 }
1014
1015 c = &ic->ic_channels[ic->ic_nchans++];
1016
1017 *c = *cent;
1018 c->ic_extieee = ext->ic_ieee;
1019 c->ic_flags &= ~IEEE80211_CHAN_HT;
1020 c->ic_flags |= IEEE80211_CHAN_HT40U;
1021
1022 c = &ic->ic_channels[ic->ic_nchans++];
1023
1024 *c = *ext;
1025 c->ic_extieee = cent->ic_ieee;
1026 c->ic_flags &= ~IEEE80211_CHAN_HT;
1027 c->ic_flags |= IEEE80211_CHAN_HT40D;
1028 }
1029
1030 /* set supported channels for 5GHz band */
1031
1032 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
1033 sc->rf_rev == RT2860_EEPROM_RF_2750)
1034 {
1035 for (i = 36; i <= 64; i += 4)
1036 {
1037 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1038
1039 /* find the center channel */
1040
1041 cent = ieee80211_find_channel_byieee(ic, i,
1042 flags & ~IEEE80211_CHAN_HT);
1043 if (cent == NULL)
1044 {
1045 printf("%s: skip channel %d, could not find center channel\n",
1046 device_get_nameunit(sc->dev), i);
1047 continue;
1048 }
1049
1050 /* find the extension channel */
1051
1052 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1053 flags & ~IEEE80211_CHAN_HT);
1054 if (ext == NULL)
1055 {
1056 printf("%s: skip channel %d, could not find extension channel\n",
1057 device_get_nameunit(sc->dev), i);
1058 continue;
1059 }
1060
1061 c = &ic->ic_channels[ic->ic_nchans++];
1062
1063 *c = *cent;
1064 c->ic_extieee = ext->ic_ieee;
1065 c->ic_flags &= ~IEEE80211_CHAN_HT;
1066 c->ic_flags |= IEEE80211_CHAN_HT40U;
1067
1068 c = &ic->ic_channels[ic->ic_nchans++];
1069
1070 *c = *ext;
1071 c->ic_extieee = cent->ic_ieee;
1072 c->ic_flags &= ~IEEE80211_CHAN_HT;
1073 c->ic_flags |= IEEE80211_CHAN_HT40D;
1074 }
1075
1076 for (i = 100; i <= 140; i += 4)
1077 {
1078 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1079
1080 /* find the center channel */
1081
1082 cent = ieee80211_find_channel_byieee(ic, i,
1083 flags & ~IEEE80211_CHAN_HT);
1084 if (cent == NULL)
1085 {
1086 printf("%s: skip channel %d, could not find center channel\n",
1087 device_get_nameunit(sc->dev), i);
1088 continue;
1089 }
1090
1091 /* find the extension channel */
1092
1093 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1094 flags & ~IEEE80211_CHAN_HT);
1095 if (ext == NULL)
1096 {
1097 printf("%s: skip channel %d, could not find extension channel\n",
1098 device_get_nameunit(sc->dev), i);
1099 continue;
1100 }
1101
1102 c = &ic->ic_channels[ic->ic_nchans++];
1103
1104 *c = *cent;
1105 c->ic_extieee = ext->ic_ieee;
1106 c->ic_flags &= ~IEEE80211_CHAN_HT;
1107 c->ic_flags |= IEEE80211_CHAN_HT40U;
1108
1109 c = &ic->ic_channels[ic->ic_nchans++];
1110
1111 *c = *ext;
1112 c->ic_extieee = cent->ic_ieee;
1113 c->ic_flags &= ~IEEE80211_CHAN_HT;
1114 c->ic_flags |= IEEE80211_CHAN_HT40D;
1115 }
1116
1117 for (i = 149; i <= 165; i += 4)
1118 {
1119 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1120
1121 /* find the center channel */
1122
1123 cent = ieee80211_find_channel_byieee(ic, i,
1124 flags & ~IEEE80211_CHAN_HT);
1125 if (cent == NULL)
1126 {
1127 printf("%s: skip channel %d, could not find center channel\n",
1128 device_get_nameunit(sc->dev), i);
1129 continue;
1130 }
1131
1132 /* find the extension channel */
1133
1134 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1135 flags & ~IEEE80211_CHAN_HT);
1136 if (ext == NULL)
1137 {
1138 printf("%s: skip channel %d, could not find extension channel\n",
1139 device_get_nameunit(sc->dev), i);
1140 continue;
1141 }
1142
1143 c = &ic->ic_channels[ic->ic_nchans++];
1144
1145 *c = *cent;
1146 c->ic_extieee = ext->ic_ieee;
1147 c->ic_flags &= ~IEEE80211_CHAN_HT;
1148 c->ic_flags |= IEEE80211_CHAN_HT40U;
1149
1150 c = &ic->ic_channels[ic->ic_nchans++];
1151
1152 *c = *ext;
1153 c->ic_extieee = cent->ic_ieee;
1154 c->ic_flags &= ~IEEE80211_CHAN_HT;
1155 c->ic_flags |= IEEE80211_CHAN_HT40D;
1156 }
1157 }
1158 }
1159
1160 /*
1161 * rt2860_init_locked
1162 */
1163 static void rt2860_init_locked(void *priv)
1164 {
1165 struct rt2860_softc *sc;
1166 struct ifnet *ifp;
1167 struct ieee80211com *ic;
1168 int error, i, ntries;
1169 uint32_t tmp, stacnt[6];
1170
1171 sc = priv;
1172 ifp = sc->ifp;
1173 ic = ifp->if_l2com;
1174
1175 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1176 "%s: initializing\n",
1177 device_get_nameunit(sc->dev));
1178
1179 RT2860_SOFTC_ASSERT_LOCKED(sc);
1180
1181 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1182 {
1183 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1184 "%s: loading 8051 microcode\n",
1185 device_get_nameunit(sc->dev));
1186
1187 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1188 if (error != 0)
1189 {
1190 printf("%s: could not load 8051 microcode\n",
1191 device_get_nameunit(sc->dev));
1192 goto fail;
1193 }
1194
1195 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1196 "%s: 8051 microcode was successfully loaded\n",
1197 device_get_nameunit(sc->dev));
1198
1199 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1200 }
1201
1202 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1203
1204 /* disable DMA engine */
1205
1206 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1207
1208 tmp &= 0xff0;
1209 tmp |= RT2860_REG_TX_WB_DDONE;
1210
1211 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1212
1213 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1214
1215 /* PBF hardware reset */
1216
1217 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1218 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1219
1220 /* wait while DMA engine is busy */
1221
1222 for (ntries = 0; ntries < 100; ntries++)
1223 {
1224 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1225 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1226 break;
1227
1228 DELAY(1000);
1229 }
1230
1231 if (ntries == 100)
1232 {
1233 printf("%s: timeout waiting for DMA engine\n",
1234 device_get_nameunit(sc->dev));
1235 goto fail;
1236 }
1237
1238 tmp &= 0xff0;
1239 tmp |= RT2860_REG_TX_WB_DDONE;
1240
1241 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1242
1243 /* reset Rx and Tx rings */
1244
1245 tmp = RT2860_REG_RST_IDX_RX |
1246 RT2860_REG_RST_IDX_TX_MGMT |
1247 RT2860_REG_RST_IDX_TX_HCCA |
1248 RT2860_REG_RST_IDX_TX_AC3 |
1249 RT2860_REG_RST_IDX_TX_AC2 |
1250 RT2860_REG_RST_IDX_TX_AC1 |
1251 RT2860_REG_RST_IDX_TX_AC0;
1252
1253 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1254
1255 /* PBF hardware reset */
1256
1257 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1258 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1259
1260 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1261
1262 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1263 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1264 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1265
1266 /* init Tx power per rate */
1267
1268 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1269 {
1270 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1271 continue;
1272
1273 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1274 sc->txpow_rate_20mhz[i]);
1275 }
1276
1277 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1278 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1279 rt2860_def_mac[i].val);
1280
1281 /* wait while MAC is busy */
1282
1283 for (ntries = 0; ntries < 100; ntries++)
1284 {
1285 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1286 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1287 break;
1288
1289 DELAY(1000);
1290 }
1291
1292 if (ntries == 100)
1293 {
1294 printf("%s: timeout waiting for MAC\n",
1295 device_get_nameunit(sc->dev));
1296 goto fail;
1297 }
1298
1299 /* clear Host to MCU mailbox */
1300
1301 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1302 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1303
1304 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1305 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1306
1307 DELAY(1000);
1308
1309 error = rt2860_init_bbp(sc);
1310 if (error != 0)
1311 goto fail;
1312
1313 /* set up maximum buffer sizes */
1314
1315 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1316
1317 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1318
1319 if (sc->mac_rev == 0x28720200)
1320 {
1321 /* set max. PSDU length from 16K to 32K bytes */
1322
1323 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1324
1325 tmp &= ~(3 << 12);
1326 tmp |= (2 << 12);
1327
1328 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1329 }
1330
1331 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1332 {
1333 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1334
1335 tmp &= 0xfff;
1336 tmp |= 0x2000;
1337
1338 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1339 }
1340
1341 /* set mac address */
1342
1343 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1344
1345 /* clear statistic registers */
1346
1347 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1348 stacnt, sizeof(stacnt));
1349
1350 /* set RTS threshold */
1351
1352 rt2860_asic_update_rtsthreshold(sc);
1353
1354 /* set Tx power */
1355
1356 rt2860_asic_update_txpower(sc);
1357
1358 /* set up protection mode */
1359
1360 sc->tx_ampdu_sessions = 0;
1361
1362 rt2860_asic_updateprot(sc);
1363
1364 /* clear beacon frame space (entries = 8, entry size = 512) */
1365
1366 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1367
1368 taskqueue_unblock(sc->taskqueue);
1369
1370 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1371
1372 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1373 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1374
1375 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1376 {
1377 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1378 sc->tx_ring[i].desc_phys_addr);
1379 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1380 RT2860_SOFTC_TX_RING_DESC_COUNT);
1381 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1382 }
1383
1384 /* init Rx ring */
1385
1386 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1387
1388 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1389 sc->rx_ring.desc_phys_addr);
1390 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1391 RT2860_SOFTC_RX_RING_DATA_COUNT);
1392 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1393 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1394
1395 /* wait while DMA engine is busy */
1396
1397 for (ntries = 0; ntries < 100; ntries++)
1398 {
1399 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1400 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1401 break;
1402
1403 DELAY(1000);
1404 }
1405
1406 if (ntries == 100)
1407 {
1408 printf("%s: timeout waiting for DMA engine\n",
1409 device_get_nameunit(sc->dev));
1410 goto fail;
1411 }
1412
1413 tmp &= 0xff0;
1414 tmp |= RT2860_REG_TX_WB_DDONE;
1415
1416 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1417
1418 /* disable interrupts mitigation */
1419
1420 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1421
1422 /* send LEDs operating mode to microcontroller */
1423
1424 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1425 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1426 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1427 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1428 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1429 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1430
1431 /* turn radio LED on */
1432
1433 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1434
1435 /* write vendor-specific BBP values (from EEPROM) */
1436
1437 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1438 {
1439 if (sc->bbp_eeprom[i].reg == 0x00 ||
1440 sc->bbp_eeprom[i].reg == 0xff)
1441 continue;
1442
1443 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1444 sc->bbp_eeprom[i].val);
1445 }
1446
1447 /*
1448 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1449 if (tmp & (1 << 2))
1450 {
1451 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1452 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1453 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1454
1455 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1456 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1457 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1458 }
1459 */
1460
1461 /* disable non-existing Rx chains */
1462
1463 tmp = rt2860_io_bbp_read(sc, 3);
1464
1465 tmp &= ~((1 << 4) | (1 << 3));
1466
1467 if (sc->nrxpath == 3)
1468 tmp |= (1 << 4);
1469 else if (sc->nrxpath == 2)
1470 tmp |= (1 << 3);
1471
1472 rt2860_io_bbp_write(sc, 3, tmp);
1473
1474 /* disable non-existing Tx chains */
1475
1476 tmp = rt2860_io_bbp_read(sc, 1);
1477
1478 tmp &= ~((1 << 4) | (1 << 3));
1479
1480 if (sc->ntxpath == 2)
1481 tmp |= (1 << 4);
1482
1483 rt2860_io_bbp_write(sc, 1, tmp);
1484
1485 /* set current channel */
1486
1487 rt2860_rf_set_chan(sc, ic->ic_curchan);
1488
1489 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1490 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1491 (48 << 16) | 96);
1492
1493 if ((sc->mac_rev & 0xffff) != 0x0101)
1494 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1495
1496 /* clear pending interrupts */
1497
1498 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1499
1500 /* enable interrupts */
1501
1502 tmp = RT2860_REG_INT_TX_COHERENT |
1503 RT2860_REG_INT_RX_COHERENT |
1504 RT2860_REG_INT_GP_TIMER |
1505 RT2860_REG_INT_AUTO_WAKEUP |
1506 RT2860_REG_INT_FIFO_STA_FULL |
1507 /*
1508 RT2860_REG_INT_PRE_TBTT |
1509 RT2860_REG_INT_TBTT |
1510 */
1511 RT2860_REG_INT_TXRX_COHERENT |
1512 RT2860_REG_INT_MCU_CMD |
1513 RT2860_REG_INT_TX_MGMT_DONE |
1514 RT2860_REG_INT_TX_HCCA_DONE |
1515 RT2860_REG_INT_TX_AC3_DONE |
1516 RT2860_REG_INT_TX_AC2_DONE |
1517 RT2860_REG_INT_TX_AC1_DONE |
1518 RT2860_REG_INT_TX_AC0_DONE |
1519 RT2860_REG_INT_RX_DONE;
1520
1521 sc->intr_enable_mask = tmp;
1522
1523 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1524
1525 if (rt2860_txrx_enable(sc) != 0)
1526 goto fail;
1527
1528 /* clear garbage interrupts */
1529
1530 tmp = rt2860_io_mac_read(sc, 0x1300);
1531
1532 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1533 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1534
1535 sc->periodic_round = 0;
1536
1537 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1538
1539 return;
1540
1541 fail:
1542
1543 rt2860_stop_locked(sc);
1544 }
1545
1546 /*
1547 * rt2860_init
1548 */
1549 static void rt2860_init(void *priv)
1550 {
1551 struct rt2860_softc *sc;
1552
1553 sc = priv;
1554
1555 RT2860_SOFTC_LOCK(sc);
1556
1557 rt2860_init_locked(sc);
1558
1559 RT2860_SOFTC_UNLOCK(sc);
1560 }
1561
1562 /*
1563 * rt2860_init_bbp
1564 */
1565 static int rt2860_init_bbp(struct rt2860_softc *sc)
1566 {
1567 int ntries, i;
1568 uint8_t tmp;
1569
1570 for (ntries = 0; ntries < 20; ntries++)
1571 {
1572 tmp = rt2860_io_bbp_read(sc, 0);
1573 if (tmp != 0x00 && tmp != 0xff)
1574 break;
1575 }
1576
1577 if (tmp == 0x00 || tmp == 0xff)
1578 {
1579 printf("%s: timeout waiting for BBP to wakeup\n",
1580 device_get_nameunit(sc->dev));
1581 return ETIMEDOUT;
1582 }
1583
1584 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1585 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1586 rt2860_def_bbp[i].val);
1587
1588 if ((sc->mac_rev & 0xffff) != 0x0101)
1589 rt2860_io_bbp_write(sc, 84, 0x19);
1590
1591 if (sc->mac_rev == 0x28600100)
1592 {
1593 rt2860_io_bbp_write(sc, 69, 0x16);
1594 rt2860_io_bbp_write(sc, 73, 0x12);
1595 }
1596
1597 return 0;
1598 }
1599
1600 /*
1601 * rt2860_stop_locked
1602 */
1603 static void rt2860_stop_locked(void *priv)
1604 {
1605 struct rt2860_softc *sc;
1606 struct ifnet *ifp;
1607 struct ieee80211com *ic;
1608 uint32_t tmp;
1609
1610 sc = priv;
1611 ifp = sc->ifp;
1612 ic = ifp->if_l2com;
1613
1614 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1615 "%s: stopping\n",
1616 device_get_nameunit(sc->dev));
1617
1618 RT2860_SOFTC_ASSERT_LOCKED(sc);
1619
1620 sc->tx_timer = 0;
1621
1622 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1623 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1624
1625 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1626
1627 callout_stop(&sc->periodic_ch);
1628 callout_stop(&sc->tx_watchdog_ch);
1629
1630 RT2860_SOFTC_UNLOCK(sc);
1631
1632 taskqueue_block(sc->taskqueue);
1633
1634 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1635 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1636 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1637 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1638
1639 RT2860_SOFTC_LOCK(sc);
1640
1641 /* clear key tables */
1642
1643 rt2860_asic_clear_keytables(sc);
1644
1645 /* disable interrupts */
1646
1647 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1648
1649 /* disable Tx/Rx */
1650
1651 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1652
1653 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1654
1655 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1656
1657 /* reset adapter */
1658
1659 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1660 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1661 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1662 }
1663
1664 /*
1665 * rt2860_stop
1666 */
1667 static void rt2860_stop(void *priv)
1668 {
1669 struct rt2860_softc *sc;
1670
1671 sc = priv;
1672
1673 RT2860_SOFTC_LOCK(sc);
1674
1675 rt2860_stop_locked(sc);
1676
1677 RT2860_SOFTC_UNLOCK(sc);
1678 }
1679
1680 /*
1681 * rt2860_start
1682 */
1683 static void rt2860_start(struct ifnet *ifp)
1684 {
1685 struct rt2860_softc *sc;
1686 struct ieee80211_node *ni;
1687 struct mbuf *m;
1688 int qid;
1689
1690 sc = ifp->if_softc;
1691
1692 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1693 return;
1694
1695 for (;;)
1696 {
1697 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1698 if (m == NULL)
1699 break;
1700
1701 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1702
1703 m->m_pkthdr.rcvif = NULL;
1704
1705 qid = M_WME_GETAC(m);
1706
1707 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[qid]);
1708
1709 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1710 {
1711 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1712
1713 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1714 "%s: if_start: Tx ring with qid=%d is full\n",
1715 device_get_nameunit(sc->dev), qid);
1716
1717 m_freem(m);
1718 ieee80211_free_node(ni);
1719
1720 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1721 ifp->if_oerrors++;
1722
1723 sc->tx_data_queue_full[qid]++;
1724
1725 break;
1726 }
1727
1728 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1729 {
1730 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1731
1732 ieee80211_free_node(ni);
1733
1734 ifp->if_oerrors++;
1735
1736 break;
1737 }
1738
1739 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1740
1741 rt2860_drain_fifo_stats(sc);
1742
1743 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1744
1745 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1746 }
1747 }
1748
1749 /*
1750 * rt2860_ioctl
1751 */
1752 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1753 {
1754 struct rt2860_softc *sc;
1755 struct ieee80211com *ic;
1756 struct ifreq *ifr;
1757 int error, startall;
1758
1759 sc = ifp->if_softc;
1760 ic = ifp->if_l2com;
1761 ifr = (struct ifreq *) data;
1762
1763 error = 0;
1764
1765 switch (cmd)
1766 {
1767 case SIOCSIFFLAGS:
1768 startall = 0;
1769
1770 RT2860_SOFTC_LOCK(sc);
1771
1772 if (ifp->if_flags & IFF_UP)
1773 {
1774 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1775 {
1776 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1777 rt2860_asic_update_promisc(sc);
1778 }
1779 else
1780 {
1781 rt2860_init_locked(sc);
1782 startall = 1;
1783 }
1784 }
1785 else
1786 {
1787 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1788 rt2860_stop_locked(sc);
1789 }
1790
1791 sc->if_flags = ifp->if_flags;
1792
1793 RT2860_SOFTC_UNLOCK(sc);
1794
1795 if (startall)
1796 ieee80211_start_all(ic);
1797 break;
1798
1799 case SIOCGIFMEDIA:
1800 case SIOCSIFMEDIA:
1801 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1802 break;
1803
1804 case SIOCGIFADDR:
1805 error = ether_ioctl(ifp, cmd, data);
1806 break;
1807
1808 default:
1809 error = EINVAL;
1810 break;
1811 }
1812
1813 return error;
1814 }
1815
1816 /*
1817 * rt2860_vap_create
1818 */
1819 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1820 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1821 const uint8_t bssid[IEEE80211_ADDR_LEN],
1822 const uint8_t mac[IEEE80211_ADDR_LEN])
1823 {
1824 struct rt2860_softc *sc;
1825 struct ifnet *ifp;
1826 struct rt2860_softc_vap *rvap;
1827 struct ieee80211vap *vap;
1828
1829 ifp = ic->ic_ifp;
1830 sc = ifp->if_softc;
1831
1832 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1833 "%s: VAP create: opmode=%s\n",
1834 device_get_nameunit(sc->dev),
1835 ieee80211_opmode_name[opmode]);
1836
1837 switch (opmode)
1838 {
1839 case IEEE80211_M_IBSS:
1840 case IEEE80211_M_STA:
1841 case IEEE80211_M_AHDEMO:
1842 case IEEE80211_M_HOSTAP:
1843 case IEEE80211_M_MBSS:
1844 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1845 {
1846 if_printf(ifp, "only 1 VAP supported\n");
1847 return NULL;
1848 }
1849
1850 if (opmode == IEEE80211_M_STA)
1851 flags |= IEEE80211_CLONE_NOBEACONS;
1852 break;
1853
1854 case IEEE80211_M_WDS:
1855 if (sc->napvaps == 0)
1856 {
1857 if_printf(ifp, "WDS only supported in AP mode\n");
1858 return NULL;
1859 }
1860 break;
1861
1862 case IEEE80211_M_MONITOR:
1863 break;
1864
1865 default:
1866 if_printf(ifp, "unknown opmode %d\n", opmode);
1867 return NULL;
1868 }
1869
1870 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1871 M_80211_VAP, M_NOWAIT | M_ZERO);
1872 if (rvap == NULL)
1873 return NULL;
1874
1875 vap = &rvap->vap;
1876
1877 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1878
1879 rvap->newstate = vap->iv_newstate;
1880 vap->iv_newstate = rt2860_vap_newstate;
1881
1882 vap->iv_reset = rt2860_vap_reset;
1883 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1884 vap->iv_key_update_end = rt2860_vap_key_update_end;
1885 vap->iv_key_set = rt2860_vap_key_set;
1886 vap->iv_key_delete = rt2860_vap_key_delete;
1887 vap->iv_update_beacon = rt2860_vap_update_beacon;
1888
1889 rt2860_amrr_init(&rvap->amrr, vap,
1890 sc->ntxpath,
1891 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1892 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1893 500);
1894
1895 vap->iv_max_aid = RT2860_SOFTC_STAID_COUNT;
1896
1897 /* override default Rx A-MPDU factor */
1898
1899 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1900 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1901 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1902
1903 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1904
1905 switch (vap->iv_opmode)
1906 {
1907 case IEEE80211_M_HOSTAP:
1908 case IEEE80211_M_MBSS:
1909 case IEEE80211_M_AHDEMO:
1910 sc->napvaps++;
1911 break;
1912
1913 case IEEE80211_M_IBSS:
1914 sc->nadhocvaps++;
1915 break;
1916
1917 case IEEE80211_M_STA:
1918 sc->nstavaps++;
1919 break;
1920
1921 case IEEE80211_M_WDS:
1922 sc->nwdsvaps++;
1923 break;
1924
1925 default:
1926 break;
1927 }
1928
1929 sc->nvaps++;
1930
1931 if (sc->napvaps > 0)
1932 ic->ic_opmode = IEEE80211_M_HOSTAP;
1933 else if (sc->nadhocvaps > 0)
1934 ic->ic_opmode = IEEE80211_M_IBSS;
1935 else if (sc->nstavaps > 0)
1936 ic->ic_opmode = IEEE80211_M_STA;
1937 else
1938 ic->ic_opmode = opmode;
1939
1940 return vap;
1941 }
1942
1943 /*
1944 * rt2860_vap_delete
1945 */
1946 static void rt2860_vap_delete(struct ieee80211vap *vap)
1947 {
1948 struct rt2860_softc *sc;
1949 struct ieee80211com *ic;
1950 struct ifnet *ifp;
1951 struct rt2860_softc_vap *rvap;
1952 enum ieee80211_opmode opmode;
1953
1954 ic = vap->iv_ic;
1955 ifp = ic->ic_ifp;
1956 sc = ifp->if_softc;
1957 rvap = (struct rt2860_softc_vap *) vap;
1958 opmode = vap->iv_opmode;
1959
1960 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1961 "%s: VAP delete: opmode=%s\n",
1962 device_get_nameunit(sc->dev), ieee80211_opmode_name[opmode]);
1963
1964 rt2860_amrr_cleanup(&rvap->amrr);
1965
1966 ieee80211_vap_detach(vap);
1967
1968 if (rvap->beacon_mbuf != NULL)
1969 {
1970 m_free(rvap->beacon_mbuf);
1971 rvap->beacon_mbuf = NULL;
1972 }
1973
1974 switch (opmode)
1975 {
1976 case IEEE80211_M_HOSTAP:
1977 case IEEE80211_M_MBSS:
1978 case IEEE80211_M_AHDEMO:
1979 sc->napvaps--;
1980 break;
1981
1982 case IEEE80211_M_IBSS:
1983 sc->nadhocvaps--;
1984 break;
1985
1986 case IEEE80211_M_STA:
1987 sc->nstavaps--;
1988 break;
1989
1990 case IEEE80211_M_WDS:
1991 sc->nwdsvaps--;
1992 break;
1993
1994 default:
1995 break;
1996 }
1997
1998 sc->nvaps--;
1999
2000 if (sc->napvaps > 0)
2001 ic->ic_opmode = IEEE80211_M_HOSTAP;
2002 else if (sc->nadhocvaps > 0)
2003 ic->ic_opmode = IEEE80211_M_IBSS;
2004 else if (sc->nstavaps > 0)
2005 ic->ic_opmode = IEEE80211_M_STA;
2006
2007 free(rvap, M_80211_VAP);
2008 }
2009
2010 /*
2011 * rt2860_reset_vap
2012 */
2013 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
2014 {
2015 struct rt2860_softc *sc;
2016 struct ieee80211com *ic;
2017 struct ifnet *ifp;
2018 struct rt2860_softc_vap *rvap;
2019 int error;
2020
2021 ic = vap->iv_ic;
2022 ifp = ic->ic_ifp;
2023 sc = ifp->if_softc;
2024 rvap = (struct rt2860_softc_vap *) vap;
2025
2026 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2027 "%s: VAP reset: cmd=%lu\n",
2028 device_get_nameunit(sc->dev), cmd);
2029
2030 error = 0;
2031
2032 switch (cmd)
2033 {
2034 case IEEE80211_IOC_RTSTHRESHOLD:
2035 case IEEE80211_IOC_AMSDU:
2036 rt2860_asic_update_rtsthreshold(sc);
2037 break;
2038
2039 case IEEE80211_IOC_PROTMODE:
2040 case IEEE80211_IOC_HTPROTMODE:
2041 rt2860_asic_updateprot(sc);
2042 break;
2043
2044 case IEEE80211_IOC_TXPOWER:
2045 rt2860_asic_update_txpower(sc);
2046 break;
2047
2048 case IEEE80211_IOC_BURST:
2049 rt2860_asic_updateslot(sc);
2050 break;
2051
2052 case IEEE80211_IOC_SHORTGI:
2053 case IEEE80211_IOC_AMPDU_DENSITY:
2054 case IEEE80211_IOC_SMPS:
2055 break;
2056
2057 default:
2058 error = ENETRESET;
2059 break;
2060 }
2061
2062 return error;
2063 }
2064
2065 /*
2066 * rt2860_vap_newstate
2067 */
2068 static int rt2860_vap_newstate(struct ieee80211vap *vap,
2069 enum ieee80211_state nstate, int arg)
2070 {
2071 struct rt2860_softc *sc;
2072 struct ieee80211com *ic;
2073 struct ifnet *ifp;
2074 struct rt2860_softc_vap *rvap;
2075 struct ieee80211_node *ni;
2076 enum ieee80211_state ostate;
2077 int error;
2078
2079 ic = vap->iv_ic;
2080 ifp = ic->ic_ifp;
2081 sc = ifp->if_softc;
2082 rvap = (struct rt2860_softc_vap *) vap;
2083
2084 ostate = vap->iv_state;
2085
2086 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2087 "%s: VAP newstate: %s -> %s\n",
2088 device_get_nameunit(sc->dev),
2089 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
2090
2091 error = rvap->newstate(vap, nstate, arg);
2092 if (error != 0)
2093 return error;
2094
2095 IEEE80211_UNLOCK(ic);
2096
2097 RT2860_SOFTC_LOCK(sc);
2098
2099 /* turn link LED off */
2100
2101 if (nstate != IEEE80211_S_RUN)
2102 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
2103
2104 switch (nstate)
2105 {
2106 case IEEE80211_S_INIT:
2107 rt2860_asic_disable_tsf_sync(sc);
2108 break;
2109
2110 case IEEE80211_S_RUN:
2111 ni = vap->iv_bss;
2112
2113 rt2860_rf_set_chan(sc, ni->ni_chan);
2114
2115 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2116 {
2117 rt2860_asic_enable_mrr(sc);
2118 rt2860_asic_set_txpreamble(sc);
2119 rt2860_asic_set_basicrates(sc);
2120 rt2860_asic_update_txpower(sc);
2121 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2122 }
2123
2124 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2125 vap->iv_opmode == IEEE80211_M_IBSS ||
2126 vap->iv_opmode == IEEE80211_M_MBSS)
2127 {
2128 error = rt2860_beacon_alloc(sc, vap);
2129 if (error != 0)
2130 break;
2131
2132 rt2860_asic_update_beacon(sc, vap);
2133 }
2134
2135 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2136 rt2860_asic_enable_tsf_sync(sc);
2137
2138 /* turn link LED on */
2139
2140 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2141 {
2142 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2143 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2144 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2145 }
2146 break;
2147
2148 case IEEE80211_S_SLEEP:
2149 break;
2150
2151 default:
2152 break;
2153 }
2154
2155 RT2860_SOFTC_UNLOCK(sc);
2156
2157 IEEE80211_LOCK(ic);
2158
2159 return error;
2160 }
2161
2162 /*
2163 * rt2860_vap_key_update_begin
2164 */
2165 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2166 {
2167 struct rt2860_softc *sc;
2168 struct ieee80211com *ic;
2169 struct ifnet *ifp;
2170
2171 ic = vap->iv_ic;
2172 ifp = ic->ic_ifp;
2173 sc = ifp->if_softc;
2174
2175 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2176 "%s: VAP key update begin\n",
2177 device_get_nameunit(sc->dev));
2178
2179 taskqueue_block(sc->taskqueue);
2180
2181 IF_LOCK(&ifp->if_snd);
2182 }
2183
2184 /*
2185 * rt2860_vap_key_update_end
2186 */
2187 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2188 {
2189 struct rt2860_softc *sc;
2190 struct ieee80211com *ic;
2191 struct ifnet *ifp;
2192
2193 ic = vap->iv_ic;
2194 ifp = ic->ic_ifp;
2195 sc = ifp->if_softc;
2196
2197 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2198 "%s: VAP key update end\n",
2199 device_get_nameunit(sc->dev));
2200
2201 IF_UNLOCK(&ifp->if_snd);
2202
2203 taskqueue_unblock(sc->taskqueue);
2204 }
2205
2206 /*
2207 * rt2860_vap_key_set
2208 */
2209 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2210 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2211 {
2212 struct rt2860_softc *sc;
2213 struct ieee80211com *ic;
2214 struct ifnet *ifp;
2215 struct ieee80211_node *ni;
2216 struct rt2860_softc_node *rni;
2217 uint16_t key_base, keymode_base;
2218 uint8_t mode, vapid, wcid, iv[8];
2219 uint32_t tmp;
2220
2221 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2222 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2223 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2224 return 0;
2225
2226 ic = vap->iv_ic;
2227 ifp = ic->ic_ifp;
2228 sc = ifp->if_softc;
2229
2230 switch (k->wk_cipher->ic_cipher)
2231 {
2232 case IEEE80211_CIPHER_WEP:
2233 if(k->wk_keylen < 8)
2234 mode = RT2860_REG_CIPHER_MODE_WEP40;
2235 else
2236 mode = RT2860_REG_CIPHER_MODE_WEP104;
2237 break;
2238
2239 case IEEE80211_CIPHER_TKIP:
2240 mode = RT2860_REG_CIPHER_MODE_TKIP;
2241 break;
2242
2243 case IEEE80211_CIPHER_AES_CCM:
2244 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2245 break;
2246
2247 default:
2248 return 0;
2249 }
2250
2251 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2252 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2253 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2254 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2255
2256 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2257 {
2258 /* install pairwise key */
2259
2260 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2261 rni = (struct rt2860_softc_node *) ni;
2262
2263 vapid = 0;
2264 wcid = rni->staid;
2265 key_base = RT2860_REG_PKEY(wcid);
2266
2267 ieee80211_free_node(ni);
2268
2269 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2270 {
2271 memset(iv, 0, 8);
2272
2273 iv[3] = (k->wk_keyix << 6);
2274 }
2275 else
2276 {
2277 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2278 {
2279 iv[0] = (k->wk_keytsc >> 8);
2280 iv[1] = ((iv[0] | 0x20) & 0x7f);
2281 iv[2] = k->wk_keytsc;
2282 }
2283 else
2284 {
2285 /* AES CCMP */
2286
2287 iv[0] = k->wk_keytsc;
2288 iv[1] = k->wk_keytsc >> 8;
2289 iv[2] = 0;
2290 }
2291
2292 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2293 iv[4] = (k->wk_keytsc >> 16);
2294 iv[5] = (k->wk_keytsc >> 24);
2295 iv[6] = (k->wk_keytsc >> 32);
2296 iv[7] = (k->wk_keytsc >> 40);
2297
2298 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2299 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2300 device_get_nameunit(sc->dev),
2301 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2302 }
2303
2304 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2305
2306 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2307 {
2308 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2309
2310 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2311 {
2312 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2313 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2314 }
2315 else
2316 {
2317 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2318 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2319 }
2320 }
2321 else
2322 {
2323 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2324 }
2325
2326 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2327 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2328
2329 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2330 }
2331
2332 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2333 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2334 {
2335 /* install group key */
2336
2337 vapid = 0;
2338 wcid = RT2860_WCID_MCAST;
2339 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2340 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2341
2342 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2343 {
2344 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2345
2346 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2347 {
2348 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2349 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2350 }
2351 else
2352 {
2353 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2354 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2355 }
2356 }
2357 else
2358 {
2359 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2360 }
2361
2362 tmp = rt2860_io_mac_read(sc, keymode_base);
2363
2364 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2365 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2366
2367 rt2860_io_mac_write(sc, keymode_base, tmp);
2368
2369 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2370 {
2371 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2372 {
2373 memset(iv, 0, 8);
2374
2375 iv[3] = (k->wk_keyix << 6);
2376 }
2377 else
2378 {
2379 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2380 {
2381 iv[0] = (k->wk_keytsc >> 8);
2382 iv[1] = ((iv[0] | 0x20) & 0x7f);
2383 iv[2] = k->wk_keytsc;
2384 }
2385 else
2386 {
2387 /* AES CCMP */
2388
2389 iv[0] = k->wk_keytsc;
2390 iv[1] = k->wk_keytsc >> 8;
2391 iv[2] = 0;
2392 }
2393
2394 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2395 iv[4] = (k->wk_keytsc >> 16);
2396 iv[5] = (k->wk_keytsc >> 24);
2397 iv[6] = (k->wk_keytsc >> 32);
2398 iv[7] = (k->wk_keytsc >> 40);
2399
2400 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2401 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2402 device_get_nameunit(sc->dev),
2403 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2404 }
2405
2406 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2407
2408 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2409 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2410
2411 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2412 }
2413 }
2414
2415 return 1;
2416 }
2417
2418 /*
2419 * rt2860_vap_key_delete
2420 */
2421 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2422 const struct ieee80211_key *k)
2423 {
2424 struct rt2860_softc *sc;
2425 struct ieee80211com *ic;
2426 struct ifnet *ifp;
2427 uint8_t vapid, wcid;
2428 uint32_t tmp;
2429
2430 ic = vap->iv_ic;
2431 ifp = ic->ic_ifp;
2432 sc = ifp->if_softc;
2433
2434 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2435 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
2436 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2437 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2438
2439 if (k->wk_flags & IEEE80211_KEY_GROUP)
2440 {
2441 /* remove group key */
2442
2443 vapid = 0;
2444 wcid = RT2860_WCID_MCAST;
2445
2446 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2447
2448 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2449 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2450
2451 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2452
2453 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2454 {
2455 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2456 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2457
2458 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2459 }
2460 }
2461
2462 return 1;
2463 }
2464
2465 /*
2466 * rt2860_vap_update_beacon
2467 */
2468 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2469 {
2470 struct rt2860_softc *sc;
2471 struct ieee80211com *ic;
2472 struct ifnet *ifp;
2473 struct rt2860_softc_vap *rvap;
2474 struct mbuf *m;
2475 struct ieee80211_beacon_offsets *bo;
2476
2477 ic = vap->iv_ic;
2478 ifp = ic->ic_ifp;
2479 sc = ifp->if_softc;
2480 rvap = (struct rt2860_softc_vap *) vap;
2481 m = rvap->beacon_mbuf;
2482 bo = &rvap->beacon_offsets;
2483
2484 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2485 "%s: VAP update beacon: what=%d\n",
2486 device_get_nameunit(sc->dev), what);
2487
2488 setbit(bo->bo_flags, what);
2489
2490 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2491
2492 rt2860_asic_update_beacon(sc, vap);
2493 }
2494
2495 /*
2496 * rt2860_media_change
2497 */
2498 static int rt2860_media_change(struct ifnet *ifp)
2499 {
2500 int error;
2501
2502 error = ieee80211_media_change(ifp);
2503
2504 return (error == ENETRESET ? 0 : error);
2505 }
2506
2507 /*
2508 * rt2860_node_alloc
2509 */
2510 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2511 const uint8_t mac[IEEE80211_ADDR_LEN])
2512 {
2513 return malloc(sizeof(struct rt2860_softc_node),
2514 M_80211_NODE, M_NOWAIT | M_ZERO);
2515 }
2516
2517 /*
2518 * rt2860_node_cleanup
2519 */
2520 static void rt2860_node_cleanup(struct ieee80211_node *ni)
2521 {
2522 struct rt2860_softc *sc;
2523 struct ieee80211com *ic;
2524 struct ifnet *ifp;
2525 struct rt2860_softc_node *rni;
2526 uint8_t vapid, wcid;
2527 uint32_t tmp;
2528
2529 ic = ni->ni_ic;
2530 ifp = ic->ic_ifp;
2531 sc = ifp->if_softc;
2532 rni = (struct rt2860_softc_node *) ni;
2533
2534 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2535 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2536 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2537 ni->ni_associd, rni->staid);
2538
2539 if (rni->staid != 0)
2540 {
2541 vapid = 0;
2542 wcid = rni->staid;
2543
2544 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2545 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2546
2547 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2548
2549 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0x00000000);
2550 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, 0x00000000);
2551
2552 rt2860_staid_delete(sc, rni->staid);
2553
2554 rni->staid = 0;
2555 }
2556
2557 sc->node_cleanup(ni);
2558 }
2559
2560 /*
2561 * rt2860_node_getmimoinfo
2562 */
2563 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
2564 struct ieee80211_mimo_info *mi)
2565 {
2566 const struct rt2860_softc_node *rni;
2567 int i;
2568
2569 rni = (const struct rt2860_softc_node *) ni;
2570
2571 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
2572 {
2573 mi->rssi[i] = rni->last_rssi_dbm[i];
2574 mi->noise[i] = RT2860_NOISE_FLOOR;
2575 }
2576 }
2577
2578 /*
2579 * rt2860_setregdomain
2580 */
2581 static int rt2860_setregdomain(struct ieee80211com *ic,
2582 struct ieee80211_regdomain *reg,
2583 int nchans, struct ieee80211_channel chans[])
2584 {
2585 struct rt2860_softc *sc;
2586 struct ifnet *ifp;
2587
2588 ifp = ic->ic_ifp;
2589 sc = ifp->if_softc;
2590
2591 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2592 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2593 device_get_nameunit(sc->dev),
2594 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2595
2596 return 0;
2597 }
2598
2599 /*
2600 * rt2860_getradiocaps
2601 */
2602 static void rt2860_getradiocaps(struct ieee80211com *ic,
2603 int maxchans, int *nchans, struct ieee80211_channel chans[])
2604 {
2605 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2606
2607 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2608 }
2609
2610 /*
2611 * rt2860_scan_start
2612 */
2613 static void rt2860_scan_start(struct ieee80211com *ic)
2614 {
2615 struct rt2860_softc *sc;
2616 struct ifnet *ifp;
2617
2618 ifp = ic->ic_ifp;
2619 sc = ifp->if_softc;
2620
2621 rt2860_asic_disable_tsf_sync(sc);
2622 }
2623
2624 /*
2625 * rt2860_scan_end
2626 */
2627 static void rt2860_scan_end(struct ieee80211com *ic)
2628 {
2629 struct rt2860_softc *sc;
2630 struct ifnet *ifp;
2631
2632 ifp = ic->ic_ifp;
2633 sc = ifp->if_softc;
2634
2635 rt2860_asic_enable_tsf_sync(sc);
2636 }
2637
2638 /*
2639 * rt2860_set_channel
2640 */
2641 static void rt2860_set_channel(struct ieee80211com *ic)
2642 {
2643 struct rt2860_softc *sc;
2644 struct ifnet *ifp;
2645
2646 ifp = ic->ic_ifp;
2647 sc = ifp->if_softc;
2648
2649 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2650 "%s: set channel: channel=%u, HT%s%s\n",
2651 device_get_nameunit(sc->dev),
2652 ieee80211_chan2ieee(ic, ic->ic_curchan),
2653 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2654 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2655 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2656 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2657
2658 RT2860_SOFTC_LOCK(sc);
2659
2660 rt2860_rf_set_chan(sc, ic->ic_curchan);
2661
2662 RT2860_SOFTC_UNLOCK(sc);
2663 }
2664
2665 /*
2666 * rt2860_newassoc
2667 */
2668 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2669 {
2670 struct rt2860_softc *sc;
2671 struct ieee80211com *ic;
2672 struct ifnet *ifp;
2673 struct ieee80211vap *vap;
2674 struct rt2860_softc_vap *rvap;
2675 struct rt2860_softc_node *rni;
2676 uint16_t aid;
2677 uint8_t wcid;
2678 uint32_t tmp;
2679
2680 vap = ni->ni_vap;
2681 ic = vap->iv_ic;
2682 ifp = ic->ic_ifp;
2683 sc = ifp->if_softc;
2684 rvap = (struct rt2860_softc_vap *) vap;
2685 rni = (struct rt2860_softc_node *) ni;
2686
2687 if (isnew)
2688 {
2689 aid = IEEE80211_AID(ni->ni_associd);
2690 rni->staid = rt2860_staid_alloc(sc, aid);
2691 wcid = rni->staid;
2692
2693 tmp = (ni->ni_macaddr[3] << 24) |
2694 (ni->ni_macaddr[2] << 16) |
2695 (ni->ni_macaddr[1] << 8) |
2696 ni->ni_macaddr[0];
2697
2698 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), tmp);
2699
2700 tmp = (ni->ni_macaddr[5] << 8) |
2701 ni->ni_macaddr[4];
2702
2703 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2704
2705 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2706
2707 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2708 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2709 device_get_nameunit(sc->dev),
2710 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2711 ni->ni_associd, ni->ni_txrate,
2712 (ni->ni_flags & IEEE80211_NODE_HT) ?
2713 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2714 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2715
2716 rt2860_asic_updateprot(sc);
2717 rt2860_asic_updateslot(sc);
2718 rt2860_asic_set_txpreamble(sc);
2719 }
2720
2721 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2722 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2723 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2724 ni->ni_associd, rni->staid,
2725 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2726 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2727 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2728 }
2729
2730 /*
2731 * rt2860_updateslot
2732 */
2733 static void rt2860_updateslot(struct ifnet *ifp)
2734 {
2735 struct rt2860_softc *sc;
2736
2737 sc = ifp->if_softc;
2738
2739 rt2860_asic_updateslot(sc);
2740 }
2741
2742 /*
2743 * rt2860_update_promisc
2744 */
2745 static void rt2860_update_promisc(struct ifnet *ifp)
2746 {
2747 struct rt2860_softc *sc;
2748
2749 sc = ifp->if_softc;
2750
2751 rt2860_asic_update_promisc(sc);
2752 }
2753
2754 /*
2755 * rt2860_update_mcast
2756 */
2757 static void rt2860_update_mcast(struct ifnet *ifp)
2758 {
2759 struct rt2860_softc *sc;
2760
2761 sc = ifp->if_softc;
2762 }
2763
2764 /*
2765 * rt2860_wme_update
2766 */
2767 static int rt2860_wme_update(struct ieee80211com *ic)
2768 {
2769 struct rt2860_softc *sc;
2770 struct ifnet *ifp;
2771
2772 ifp = ic->ic_ifp;
2773 sc = ifp->if_softc;
2774
2775 rt2860_asic_wme_update(sc);
2776
2777 return 0;
2778 }
2779
2780 /*
2781 * rt2860_raw_xmit
2782 */
2783 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2784 const struct ieee80211_bpf_params *params)
2785 {
2786 struct rt2860_softc *sc;
2787 struct ieee80211com *ic;
2788 struct ifnet *ifp;
2789
2790 ic = ni->ni_ic;
2791 ifp = ic->ic_ifp;
2792 sc = ifp->if_softc;
2793
2794 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2795 {
2796 m_freem(m);
2797 ieee80211_free_node(ni);
2798
2799 return ENETDOWN;
2800 }
2801
2802 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2803
2804 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2805 {
2806 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2807
2808 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2809 "%s: raw xmit: Tx ring with qid=%d is full\n",
2810 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2811
2812 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2813
2814 m_freem(m);
2815 ieee80211_free_node(ni);
2816
2817 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2818
2819 return ENOBUFS;
2820 }
2821
2822 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2823 {
2824 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2825
2826 ifp->if_oerrors++;
2827
2828 ieee80211_free_node(ni);
2829
2830 return EIO;
2831 }
2832
2833 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2834
2835 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2836
2837 return 0;
2838 }
2839
2840 /*
2841 * rt2860_recv_action
2842 */
2843 static int rt2860_recv_action(struct ieee80211_node *ni,
2844 const struct ieee80211_frame *wh,
2845 const uint8_t *frm, const uint8_t *efrm)
2846 {
2847 struct rt2860_softc *sc;
2848 struct ieee80211com *ic;
2849 struct ifnet *ifp;
2850 struct rt2860_softc_node *rni;
2851 const struct ieee80211_action *ia;
2852 uint16_t baparamset;
2853 uint8_t wcid;
2854 int ret, tid;
2855 uint32_t tmp;
2856
2857 ic = ni->ni_ic;
2858 ifp = ic->ic_ifp;
2859 sc = ifp->if_softc;
2860 rni = (struct rt2860_softc_node *) ni;
2861
2862 ia = (const struct ieee80211_action *) frm;
2863
2864 ret = sc->recv_action(ni, wh, frm, efrm);
2865
2866 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2867 return ret;
2868
2869 switch (ia->ia_action)
2870 {
2871 /* IEEE80211_ACTION_BA_DELBA */
2872 case IEEE80211_ACTION_BA_DELBA:
2873 baparamset = LE_READ_2(frm + 2);
2874 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2875 wcid = rni->staid;
2876
2877 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2878 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2879 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2880
2881 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2882
2883 tmp &= ~(0x10000 << tid);
2884
2885 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2886 break;
2887 }
2888
2889 return ret;
2890 }
2891
2892 /*
2893 * rt2860_send_action
2894 */
2895 static int rt2860_send_action(struct ieee80211_node *ni,
2896 int cat, int act, void *sa)
2897 {
2898 struct rt2860_softc *sc;
2899 struct ieee80211com *ic;
2900 struct ifnet *ifp;
2901 struct rt2860_softc_node *rni;
2902 uint16_t *args, status, baparamset;
2903 uint8_t wcid;
2904 int ret, tid, bufsize;
2905 uint32_t tmp;
2906
2907 ic = ni->ni_ic;
2908 ifp = ic->ic_ifp;
2909 sc = ifp->if_softc;
2910 rni = (struct rt2860_softc_node *) ni;
2911
2912 ret = sc->send_action(ni, cat, act, sa);
2913
2914 if (cat != IEEE80211_ACTION_CAT_BA)
2915 return ret;
2916
2917 wcid = rni->staid;
2918 args = sa;
2919
2920 switch (act)
2921 {
2922 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2923 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2924 status = args[1];
2925 baparamset = args[2];
2926 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2927 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2928
2929 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2930 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2931 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2932
2933 if (status == IEEE80211_STATUS_SUCCESS)
2934 {
2935 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2936
2937 tmp |= (0x10000 << tid);
2938
2939 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2940 }
2941 break;
2942
2943 /* IEEE80211_ACTION_BA_DELBA */
2944 case IEEE80211_ACTION_BA_DELBA:
2945 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2946
2947 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2948
2949 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2950 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2951 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2952
2953 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2954 {
2955 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2956
2957 tmp &= ~(0x10000 << tid);
2958
2959 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2960 }
2961 break;
2962 }
2963
2964 return ret;
2965 }
2966
2967 /*
2968 * rt2860_addba_response
2969 */
2970 static int rt2860_addba_response(struct ieee80211_node *ni,
2971 struct ieee80211_tx_ampdu *tap,
2972 int status, int baparamset, int batimeout)
2973 {
2974 struct rt2860_softc *sc;
2975 struct ieee80211com *ic;
2976 struct ifnet *ifp;
2977 struct rt2860_softc_node *rni;
2978 ieee80211_seq seqno;
2979 int ret, tid, old_bufsize, new_bufsize;
2980
2981 ic = ni->ni_ic;
2982 ifp = ic->ic_ifp;
2983 sc = ifp->if_softc;
2984 rni = (struct rt2860_softc_node *) ni;
2985
2986 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2987 old_bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2988 new_bufsize = old_bufsize;
2989
2990 if (status == IEEE80211_STATUS_SUCCESS)
2991 {
2992 if (sc->mac_rev >= 0x28830300)
2993 {
2994 if (sc->mac_rev >= 0x30700200)
2995 new_bufsize = 13;
2996 else
2997 new_bufsize = 31;
2998 }
2999 else if (sc->mac_rev >= 0x28720200)
3000 {
3001 new_bufsize = 13;
3002 }
3003 else
3004 {
3005 new_bufsize = 7;
3006 }
3007
3008 if (old_bufsize > new_bufsize)
3009 {
3010 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
3011 baparamset = RT2860_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
3012 }
3013
3014 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
3015 {
3016 sc->tx_ampdu_sessions++;
3017
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 sc->tx_ampdu_sessions--;
3064
3065 rt2860_asic_updateprot(sc);
3066
3067 sc->addba_stop(ni, tap);
3068 }
3069
3070 /*
3071 * rt2860_send_bar
3072 */
3073 static int rt2860_send_bar(struct ieee80211_node *ni,
3074 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
3075 {
3076 struct rt2860_softc *sc;
3077 struct ieee80211com *ic;
3078 struct ifnet *ifp;
3079 struct ieee80211vap *vap;
3080 struct ieee80211_frame_bar *bar;
3081 struct rt2860_softc_node *rni;
3082 struct mbuf *m;
3083 uint16_t barctl, barseqctl;
3084 uint8_t *frm;
3085 int ret, tid;
3086
3087 ic = ni->ni_ic;
3088 ifp = ic->ic_ifp;
3089 sc = ifp->if_softc;
3090 vap = ni->ni_vap;
3091 rni = (struct rt2860_softc_node *) ni;
3092
3093 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
3094 return EINVAL;
3095
3096 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
3097 if (m == NULL)
3098 return ENOMEM;
3099
3100 bar = mtod(m, struct ieee80211_frame_bar *);
3101
3102 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
3103 bar->i_fc[1] = 0;
3104
3105 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
3106 IEEE80211_ADDR_COPY(bar->i_ta, vap->iv_myaddr);
3107
3108 tid = WME_AC_TO_TID(tap->txa_ac);
3109
3110 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
3111 IEEE80211_BAR_COMP |
3112 RT2860_SM(tid, IEEE80211_BAR_TID);
3113 barseqctl = RT2860_SM(seqno, IEEE80211_BAR_SEQ_START);
3114
3115 bar->i_ctl = htole16(barctl);
3116 bar->i_seq = htole16(barseqctl);
3117
3118 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
3119
3120 tap->txa_start = seqno;
3121
3122 ieee80211_ref_node(ni);
3123
3124 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3125 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
3126 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
3127
3128 ret = ic->ic_raw_xmit(ni, m, NULL);
3129 if (ret != 0)
3130 ieee80211_free_node(ni);
3131
3132 return ret;
3133 }
3134
3135 /*
3136 * rt2860_amrr_update_iter_func
3137 */
3138 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
3139 {
3140 struct rt2860_softc *sc;
3141 struct ieee80211com *ic;
3142 struct ifnet *ifp;
3143 struct ieee80211vap *vap;
3144 struct rt2860_softc_vap *rvap;
3145 struct rt2860_softc_node *rni;
3146 uint8_t wcid;
3147
3148 vap = arg;
3149 ic = vap->iv_ic;
3150 ifp = ic->ic_ifp;
3151 sc = ifp->if_softc;
3152 rvap = (struct rt2860_softc_vap *) vap;
3153 rni = (struct rt2860_softc_node *) ni;
3154
3155 /* only associated stations */
3156
3157 if ((ni->ni_vap == vap) && (rni->staid != 0))
3158 {
3159 wcid = rni->staid;
3160
3161 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3162 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3163 device_get_nameunit(sc->dev),
3164 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3165
3166 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
3167
3168 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3169 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3170 device_get_nameunit(sc->dev),
3171 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3172 ni->ni_associd, rni->staid, ni->ni_txrate,
3173 (ni->ni_flags & IEEE80211_NODE_HT) ?
3174 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3175 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3176 }
3177 }
3178
3179 /*
3180 * rt2860_periodic
3181 */
3182 static void rt2860_periodic(void *arg)
3183 {
3184 struct rt2860_softc *sc;
3185
3186 sc = arg;
3187
3188 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
3189 "%s: periodic\n",
3190 device_get_nameunit(sc->dev));
3191
3192 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3193 }
3194
3195 /*
3196 * rt2860_tx_watchdog
3197 */
3198 static void rt2860_tx_watchdog(void *arg)
3199 {
3200 struct rt2860_softc *sc;
3201 struct ifnet *ifp;
3202
3203 sc = arg;
3204 ifp = sc->ifp;
3205
3206 if (sc->tx_timer == 0)
3207 return;
3208
3209 if (--sc->tx_timer == 0)
3210 {
3211 printf("%s: Tx watchdog timeout: resetting\n",
3212 device_get_nameunit(sc->dev));
3213
3214 rt2860_stop_locked(sc);
3215 rt2860_init_locked(sc);
3216
3217 ifp->if_oerrors++;
3218
3219 sc->tx_watchdog_timeouts++;
3220 }
3221
3222 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
3223 }
3224
3225 /*
3226 * rt2860_staid_alloc
3227 */
3228 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
3229 {
3230 int staid;
3231
3232 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3233 {
3234 staid = aid;
3235 }
3236 else
3237 {
3238 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
3239 {
3240 if (isclr(sc->staid_mask, staid))
3241 break;
3242 }
3243 }
3244
3245 setbit(sc->staid_mask, staid);
3246
3247 return staid;
3248 }
3249
3250 /*
3251 * rt2860_staid_delete
3252 */
3253 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
3254 {
3255 clrbit(sc->staid_mask, staid);
3256 }
3257
3258 /*
3259 * rt2860_asic_set_bssid
3260 */
3261 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
3262 const uint8_t *bssid)
3263 {
3264 uint32_t tmp;
3265
3266 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3267 "%s: set bssid: bssid=%s\n",
3268 device_get_nameunit(sc->dev),
3269 ether_sprintf(bssid));
3270
3271 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3272
3273 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
3274
3275 tmp = bssid[4] | (bssid[5] << 8);
3276
3277 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
3278 }
3279
3280 /*
3281 * rt2860_asic_set_macaddr
3282 */
3283 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
3284 const uint8_t *addr)
3285 {
3286 uint32_t tmp;
3287
3288 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3289
3290 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
3291
3292 tmp = addr[4] | (addr[5] << 8);
3293
3294 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
3295 }
3296
3297 /*
3298 * rt2860_asic_enable_tsf_sync
3299 */
3300 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
3301 {
3302 struct ifnet *ifp;
3303 struct ieee80211com *ic;
3304 struct ieee80211vap *vap;
3305 uint32_t tmp;
3306
3307 ifp = sc->ifp;
3308 ic = ifp->if_l2com;
3309 vap = TAILQ_FIRST(&ic->ic_vaps);
3310
3311 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3312 "%s: enabling TSF\n",
3313 device_get_nameunit(sc->dev));
3314
3315 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3316
3317 tmp &= ~0x1fffff;
3318 tmp |= vap->iv_bss->ni_intval * 16;
3319 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3320
3321 if (vap->iv_opmode == IEEE80211_M_STA)
3322 {
3323 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3324 }
3325 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3326 {
3327 tmp |= RT2860_REG_BCN_TX_ENABLE;
3328 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3329 }
3330 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3331 {
3332 tmp |= RT2860_REG_BCN_TX_ENABLE;
3333 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3334 }
3335
3336 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3337 }
3338
3339 /*
3340 * rt2860_asic_disable_tsf_sync
3341 */
3342 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3343 {
3344 uint32_t tmp;
3345
3346 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3347 "%s: disabling TSF\n",
3348 device_get_nameunit(sc->dev));
3349
3350 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3351
3352 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3353 RT2860_REG_TSF_TIMER_ENABLE |
3354 RT2860_REG_TBTT_TIMER_ENABLE);
3355
3356 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3357 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3358
3359 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3360 }
3361
3362 /*
3363 * rt2860_asic_enable_mrr
3364 */
3365 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3366 {
3367 #define CCK(mcs) (mcs)
3368 #define OFDM(mcs) ((1 << 3) | (mcs))
3369 #define HT(mcs) (mcs)
3370
3371 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3372 (OFDM(6) << 28) | /* 54 -> 48 */
3373 (OFDM(5) << 24) | /* 48 -> 36 */
3374 (OFDM(4) << 20) | /* 36 -> 24 */
3375 (OFDM(3) << 16) | /* 24 -> 18 */
3376 (OFDM(2) << 12) | /* 18 -> 12 */
3377 (OFDM(1) << 8) | /* 12 -> 9 */
3378 (OFDM(0) << 4) | /* 9 -> 6 */
3379 OFDM(0)); /* 6 -> 6 */
3380
3381 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3382 (CCK(2) << 12) | /* 11 -> 5.5 */
3383 (CCK(1) << 8) | /* 5.5 -> 2 */
3384 (CCK(0) << 4) | /* 2 -> 1 */
3385 CCK(0)); /* 1 -> 1 */
3386
3387 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3388 (HT(6) << 28) |
3389 (HT(5) << 24) |
3390 (HT(4) << 20) |
3391 (HT(3) << 16) |
3392 (HT(2) << 12) |
3393 (HT(1) << 8) |
3394 (HT(0) << 4) |
3395 HT(0));
3396
3397 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3398 (HT(14) << 28) |
3399 (HT(13) << 24) |
3400 (HT(12) << 20) |
3401 (HT(11) << 16) |
3402 (HT(10) << 12) |
3403 (HT(9) << 8) |
3404 (HT(8) << 4) |
3405 HT(7));
3406
3407 #undef HT
3408 #undef OFDM
3409 #undef CCK
3410 }
3411
3412 /*
3413 * rt2860_asic_set_txpreamble
3414 */
3415 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3416 {
3417 struct ifnet *ifp;
3418 struct ieee80211com *ic;
3419 uint32_t tmp;
3420
3421 ifp = sc->ifp;
3422 ic = ifp->if_l2com;
3423
3424 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3425 "%s: %s short Tx preamble\n",
3426 device_get_nameunit(sc->dev),
3427 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3428
3429 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3430
3431 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3432
3433 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3434 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3435
3436 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3437 }
3438
3439 /*
3440 * rt2860_asic_set_basicrates
3441 */
3442 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3443 {
3444 struct ifnet *ifp;
3445 struct ieee80211com *ic;
3446
3447 ifp = sc->ifp;
3448 ic = ifp->if_l2com;
3449
3450 if (ic->ic_curmode == IEEE80211_MODE_11B)
3451 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3452 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3453 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3454 else
3455 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3456 }
3457
3458 /*
3459 * rt2860_asic_update_rtsthreshold
3460 */
3461 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3462 {
3463 struct ifnet *ifp;
3464 struct ieee80211com *ic;
3465 struct ieee80211vap *vap;
3466 uint32_t tmp;
3467 uint16_t threshold;
3468
3469 ifp = sc->ifp;
3470 ic = ifp->if_l2com;
3471 vap = TAILQ_FIRST(&ic->ic_vaps);
3472
3473 if (vap == NULL)
3474 threshold = IEEE80211_RTS_MAX;
3475 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3476 threshold = 0x1000;
3477 else
3478 threshold = vap->iv_rtsthreshold;
3479
3480 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3481 "%s: updating RTS threshold: %d\n",
3482 device_get_nameunit(sc->dev), threshold);
3483
3484 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3485
3486 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3487
3488 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3489 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3490
3491 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3492 }
3493
3494 /*
3495 * rt2860_asic_update_txpower
3496 */
3497 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3498 {
3499 struct ifnet *ifp;
3500 struct ieee80211com *ic;
3501 uint32_t *txpow_rate;
3502 int8_t delta;
3503 uint8_t val;
3504 uint32_t tmp;
3505 int i;
3506
3507 ifp = sc->ifp;
3508 ic = ifp->if_l2com;
3509
3510 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3511 "%s: updating Tx power: %d\n",
3512 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3513
3514 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3515 {
3516 txpow_rate = sc->txpow_rate_20mhz;
3517 }
3518 else
3519 {
3520 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3521 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3522 else
3523 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3524 }
3525
3526 delta = 0;
3527
3528 val = rt2860_io_bbp_read(sc, 1);
3529 val &= 0xfc;
3530
3531 if (ic->ic_txpowlimit > 90)
3532 {
3533 /* do nothing */
3534 }
3535 else if (ic->ic_txpowlimit > 60)
3536 {
3537 delta -= 1;
3538 }
3539 else if (ic->ic_txpowlimit > 30)
3540 {
3541 delta -= 3;
3542 }
3543 else if (ic->ic_txpowlimit > 15)
3544 {
3545 val |= 0x1;
3546 }
3547 else if (ic->ic_txpowlimit > 9)
3548 {
3549 val |= 0x1;
3550 delta -= 3;
3551 }
3552 else
3553 {
3554 val |= 0x2;
3555 }
3556
3557 rt2860_io_bbp_write(sc, 1, val);
3558
3559 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3560 {
3561 if (txpow_rate[i] == 0xffffffff)
3562 continue;
3563
3564 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3565
3566 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3567 }
3568 }
3569
3570 /*
3571 * rt2860_asic_update_promisc
3572 */
3573 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3574 {
3575 struct ifnet *ifp;
3576 uint32_t tmp;
3577
3578 ifp = sc->ifp;
3579
3580 printf("%s: %s promiscuous mode\n",
3581 device_get_nameunit(sc->dev),
3582 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3583
3584 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3585
3586 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3587
3588 if (!(ifp->if_flags & IFF_PROMISC))
3589 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3590
3591 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3592 }
3593
3594 /*
3595 * rt2860_asic_updateprot
3596 */
3597 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3598 {
3599 struct ifnet *ifp;
3600 struct ieee80211com *ic;
3601 struct ieee80211vap *vap;
3602 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3603 uint8_t htopmode;
3604 enum ieee80211_protmode htprotmode;
3605
3606 ifp = sc->ifp;
3607 ic = ifp->if_l2com;
3608 vap = TAILQ_FIRST(&ic->ic_vaps);
3609
3610 /* CCK frame protection */
3611
3612 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3613 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3614
3615 /* set up protection frame phy mode and rate (MCS code) */
3616
3617 if (ic->ic_curmode == IEEE80211_MODE_11A)
3618 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3619 (0 << RT2860_REG_PROT_MCS_SHIFT);
3620 else
3621 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3622 (3 << RT2860_REG_PROT_MCS_SHIFT));
3623
3624 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3625
3626 /* OFDM frame protection */
3627
3628 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3629 RT2860_REG_TXOP_ALLOW_ALL;
3630
3631 if (ic->ic_flags & IEEE80211_F_USEPROT)
3632 {
3633 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3634 "%s: updating protection mode: b/g protection mode=%s\n",
3635 device_get_nameunit(sc->dev),
3636 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3637 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3638
3639 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3640 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3641 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3642 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3643 else
3644 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3645 }
3646 else
3647 {
3648 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3649 "%s: updating protection mode: b/g protection mode=%s\n",
3650 device_get_nameunit(sc->dev), "none");
3651
3652 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3653 }
3654
3655 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3656
3657 /* HT frame protection */
3658
3659 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3660 htopmode = vap->iv_bss->ni_htopmode;
3661 else
3662 htopmode = ic->ic_curhtprotmode;
3663
3664 htprotmode = ic->ic_htprotmode;
3665
3666 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3667
3668 if (sc->tx_ampdu_sessions > 0)
3669 {
3670 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3671 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3672 device_get_nameunit(sc->dev));
3673
3674 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3675 htprotmode = IEEE80211_PROT_RTSCTS;
3676 }
3677
3678 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3679 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3680 device_get_nameunit(sc->dev),
3681 htopmode & IEEE80211_HTINFO_OPMODE,
3682 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3683 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3684
3685 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3686 {
3687 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3688 case IEEE80211_HTINFO_OPMODE_HT20PR:
3689 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3690 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3691 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3692 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3693 (4 << RT2860_REG_PROT_MCS_SHIFT);
3694
3695 gf20_prot = mm20_prot;
3696
3697 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3698 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3699 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3700
3701 if (htprotmode == IEEE80211_PROT_RTSCTS)
3702 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3703 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3704 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3705 else
3706 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3707
3708 gf40_prot = mm40_prot;
3709 break;
3710
3711 /* IEEE80211_HTINFO_OPMODE_MIXED */
3712 case IEEE80211_HTINFO_OPMODE_MIXED:
3713 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3714 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3715 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3716
3717 if (ic->ic_flags & IEEE80211_F_USEPROT)
3718 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3719 (3 << RT2860_REG_PROT_MCS_SHIFT);
3720 else
3721 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3722 (4 << RT2860_REG_PROT_MCS_SHIFT);
3723
3724 if (htprotmode == IEEE80211_PROT_RTSCTS)
3725 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3726 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3727 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3728 else
3729 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3730
3731 gf20_prot = mm20_prot;
3732
3733 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3734
3735 if (ic->ic_flags & IEEE80211_F_USEPROT)
3736 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3737 (3 << RT2860_REG_PROT_MCS_SHIFT);
3738 else
3739 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3740 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3741
3742 if (htprotmode == IEEE80211_PROT_RTSCTS)
3743 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3744 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3745 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3746 else
3747 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3748
3749 gf40_prot = mm40_prot;
3750 break;
3751
3752 /*
3753 * IEEE80211_HTINFO_OPMODE_PURE
3754 * IEEE80211_HTINFO_OPMODE_PROTOPT
3755 */
3756 case IEEE80211_HTINFO_OPMODE_PURE:
3757 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3758 default:
3759 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3760 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3761 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3762 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3763 (4 << RT2860_REG_PROT_MCS_SHIFT);
3764
3765 gf20_prot = mm20_prot;
3766
3767 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3768 RT2860_REG_TXOP_ALLOW_ALL |
3769 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3770 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3771
3772 gf40_prot = mm40_prot;
3773 break;
3774 }
3775
3776 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3777 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3778 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3779 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3780 }
3781
3782 /*
3783 * rt2860_asic_updateslot
3784 */
3785 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3786 {
3787 struct ifnet *ifp;
3788 struct ieee80211com *ic;
3789 struct ieee80211vap *vap;
3790 uint32_t tmp;
3791
3792 ifp = sc->ifp;
3793 ic = ifp->if_l2com;
3794 vap = TAILQ_FIRST(&ic->ic_vaps);
3795
3796 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3797 "%s: %s short slot time\n",
3798 device_get_nameunit(sc->dev),
3799 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3800 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3801
3802 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3803
3804 tmp &= ~0xff;
3805
3806 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3807 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3808 tmp |= IEEE80211_DUR_SHSLOT;
3809 else
3810 tmp |= IEEE80211_DUR_SLOT;
3811
3812 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3813 }
3814
3815 /*
3816 * rt2860_asic_wme_update
3817 */
3818 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3819 {
3820 struct ifnet *ifp;
3821 struct ieee80211com *ic;
3822 struct ieee80211_wme_state *wme;
3823 const struct wmeParams *wmep;
3824 int i;
3825
3826 ifp = sc->ifp;
3827 ic = ifp->if_l2com;
3828 wme = &ic->ic_wme;
3829 wmep = wme->wme_chanParams.cap_wmeParams;
3830
3831 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3832 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3833 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3834 device_get_nameunit(sc->dev),
3835 wmep[WME_AC_VO].wmep_aifsn,
3836 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3837 wmep[WME_AC_VO].wmep_txopLimit,
3838 wmep[WME_AC_VI].wmep_aifsn,
3839 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3840 wmep[WME_AC_VI].wmep_txopLimit,
3841 wmep[WME_AC_BK].wmep_aifsn,
3842 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3843 wmep[WME_AC_BK].wmep_txopLimit,
3844 wmep[WME_AC_BE].wmep_aifsn,
3845 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3846 wmep[WME_AC_BE].wmep_txopLimit);
3847
3848 for (i = 0; i < WME_NUM_AC; i++)
3849 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3850 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3851 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3852
3853 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3854 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3855 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3856
3857 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3858 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3859 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3860
3861 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3862 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3863 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3864
3865 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3866 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3867
3868 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3869 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3870 }
3871
3872 /*
3873 * rt2860_asic_update_beacon
3874 */
3875 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
3876 struct ieee80211vap *vap)
3877 {
3878 struct rt2860_softc_vap *rvap;
3879 struct mbuf *m;
3880 struct rt2860_txwi *txwi;
3881 uint32_t tmp;
3882
3883 rvap = (struct rt2860_softc_vap *) vap;
3884
3885 m = rvap->beacon_mbuf;
3886 txwi = &rvap->beacon_txwi;
3887
3888 /* disable temporarily TSF sync */
3889
3890 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3891
3892 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3893 RT2860_REG_TSF_TIMER_ENABLE |
3894 RT2860_REG_TBTT_TIMER_ENABLE);
3895
3896 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3897
3898 /* write Tx wireless info and beacon frame to on-chip memory */
3899
3900 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3901 txwi, sizeof(struct rt2860_txwi));
3902
3903 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3904 mtod(m, uint8_t *), m->m_pkthdr.len);
3905
3906 /* enable again TSF sync */
3907
3908 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3909
3910 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3911 RT2860_REG_TSF_TIMER_ENABLE |
3912 RT2860_REG_TBTT_TIMER_ENABLE);
3913
3914 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3915 }
3916
3917 /*
3918 * rt2860_asic_clear_keytables
3919 */
3920 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3921 {
3922 int i;
3923
3924 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3925
3926 for (i = 0; i < 256; i++)
3927 {
3928 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3929 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3930 }
3931
3932 /* clear WCID attribute table (entries = 256, entry size = 4) */
3933
3934 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3935
3936 /* clear IV/EIV table (entries = 256, entry size = 8) */
3937
3938 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3939
3940 /* clear pairwise key table (entries = 64, entry size = 32) */
3941
3942 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3943
3944 /* clear shared key table (entries = 32, entry size = 32) */
3945
3946 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3947
3948 /* clear shared key mode (entries = 32, entry size = 2) */
3949
3950 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3951 }
3952
3953 /*
3954 * rt2860_beacon_alloc
3955 */
3956 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
3957 struct ieee80211vap *vap)
3958 {
3959 struct ieee80211com *ic;
3960 struct rt2860_softc_vap *rvap;
3961 struct mbuf *m;
3962 struct rt2860_txwi txwi;
3963 uint8_t rate, mcs;
3964
3965 ic = vap->iv_ic;
3966 rvap = (struct rt2860_softc_vap *) vap;
3967
3968 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3969 if (m == NULL)
3970 return ENOMEM;
3971
3972 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
3973 mcs = rt2860_rate2mcs(rate);
3974
3975 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3976 "%s: beacon allocate: mcs=0x%02x\n",
3977 device_get_nameunit(sc->dev), mcs);
3978
3979 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3980
3981 txwi.wcid = RT2860_WCID_RESERVED;
3982 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3983 RT2860_TXWI_MPDU_LEN_SHIFT);
3984 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3985 txwi.mpdu_density_flags |=
3986 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3987 txwi.bawin_size_xflags |=
3988 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3989
3990 if (rate == 2)
3991 {
3992 txwi.phymode_ifs_stbc_shortgi =
3993 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3994
3995 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3996 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3997 }
3998 else
3999 {
4000 txwi.phymode_ifs_stbc_shortgi =
4001 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4002 }
4003
4004 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
4005 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4006
4007 if (rvap->beacon_mbuf != NULL)
4008 {
4009 m_free(rvap->beacon_mbuf);
4010 rvap->beacon_mbuf = NULL;
4011 }
4012
4013 rvap->beacon_mbuf = m;
4014 rvap->beacon_txwi = txwi;
4015
4016 return 0;
4017 }
4018
4019 /*
4020 * rt2860_rxrate
4021 */
4022 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
4023 {
4024 uint8_t mcs, phymode;
4025 uint8_t rate;
4026
4027 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
4028 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4029 RT2860_RXWI_PHYMODE_MASK;
4030
4031 rate = 2;
4032
4033 switch (phymode)
4034 {
4035 case RT2860_RXWI_PHYMODE_CCK:
4036 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
4037 {
4038 case 0: rate = 2; break; /* 1 Mbps */
4039 case 1: rate = 4; break; /* 2 MBps */
4040 case 2: rate = 11; break; /* 5.5 Mbps */
4041 case 3: rate = 22; break; /* 11 Mbps */
4042 }
4043 break;
4044
4045 case RT2860_RXWI_PHYMODE_OFDM:
4046 switch (mcs)
4047 {
4048 case 0: rate = 12; break; /* 6 Mbps */
4049 case 1: rate = 18; break; /* 9 Mbps */
4050 case 2: rate = 24; break; /* 12 Mbps */
4051 case 3: rate = 36; break; /* 18 Mbps */
4052 case 4: rate = 48; break; /* 24 Mbps */
4053 case 5: rate = 72; break; /* 36 Mbps */
4054 case 6: rate = 96; break; /* 48 Mbps */
4055 case 7: rate = 108; break; /* 54 Mbps */
4056 }
4057 break;
4058
4059 case RT2860_RXWI_PHYMODE_HT_MIXED:
4060 case RT2860_RXWI_PHYMODE_HT_GF:
4061 break;
4062 }
4063
4064 return rate;
4065 }
4066
4067 /*
4068 * rt2860_maxrssi_rxpath
4069 */
4070 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
4071 const struct rt2860_rxwi *rxwi)
4072 {
4073 uint8_t rxpath;
4074
4075 rxpath = 0;
4076
4077 if (sc->nrxpath > 1)
4078 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4079 rxpath = 1;
4080
4081 if (sc->nrxpath > 2)
4082 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4083 rxpath = 2;
4084
4085 return rxpath;
4086 }
4087
4088 /*
4089 * rt2860_rssi2dbm
4090 */
4091 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
4092 uint8_t rssi, uint8_t rxpath)
4093 {
4094 struct ifnet *ifp;
4095 struct ieee80211com *ic;
4096 struct ieee80211_channel *c;
4097 int chan;
4098 int8_t rssi_off, lna_gain;
4099
4100 if (rssi == 0)
4101 return -99;
4102
4103 ifp = sc->ifp;
4104 ic = ifp->if_l2com;
4105 c = ic->ic_curchan;
4106 chan = ieee80211_chan2ieee(ic, c);
4107
4108 if (IEEE80211_IS_CHAN_5GHZ(c))
4109 {
4110 rssi_off = sc->rssi_off_5ghz[rxpath];
4111
4112 if (chan <= 64)
4113 lna_gain = sc->lna_gain[1];
4114 else if (chan <= 128)
4115 lna_gain = sc->lna_gain[2];
4116 else
4117 lna_gain = sc->lna_gain[3];
4118 }
4119 else
4120 {
4121 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
4122 lna_gain = sc->lna_gain[0];
4123 }
4124
4125 return (-12 - rssi_off - lna_gain - rssi);
4126 }
4127
4128 /*
4129 * rt2860_rate2mcs
4130 */
4131 static uint8_t rt2860_rate2mcs(uint8_t rate)
4132 {
4133 switch (rate)
4134 {
4135 /* CCK rates */
4136 case 2: return 0;
4137 case 4: return 1;
4138 case 11: return 2;
4139 case 22: return 3;
4140
4141 /* OFDM rates */
4142 case 12: return 0;
4143 case 18: return 1;
4144 case 24: return 2;
4145 case 36: return 3;
4146 case 48: return 4;
4147 case 72: return 5;
4148 case 96: return 6;
4149 case 108: return 7;
4150 }
4151
4152 return 0;
4153 }
4154
4155 /*
4156 * rt2860_tx_mgmt
4157 */
4158 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
4159 struct mbuf *m, struct ieee80211_node *ni, int qid)
4160 {
4161 struct ifnet *ifp;
4162 struct ieee80211com *ic;
4163 struct ieee80211vap *vap;
4164 const struct ieee80211_txparam *tp;
4165 struct rt2860_softc_node *rni;
4166 struct rt2860_softc_tx_ring *ring;
4167 struct rt2860_softc_tx_data *data;
4168 struct rt2860_txdesc *desc;
4169 struct rt2860_txwi *txwi;
4170 struct ieee80211_frame *wh;
4171 struct rt2860_softc_tx_radiotap_header *tap;
4172 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4173 u_int hdrsize, hdrspace;
4174 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
4175 uint16_t len, dmalen, mpdu_len, dur;
4176 int error, mimops, ndmasegs, ndescs, i, j;
4177
4178 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4179 ("%s: Tx MGMT: invalid qid=%d\n",
4180 device_get_nameunit(sc->dev), qid));
4181
4182 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4183
4184 ifp = sc->ifp;
4185 ic = ifp->if_l2com;
4186 vap = ni->ni_vap;
4187 rni = (struct rt2860_softc_node *) ni;
4188 tp = ni->ni_txparms;
4189
4190 ring = &sc->tx_ring[qid];
4191 desc = &ring->desc[ring->desc_cur];
4192 data = &ring->data[ring->data_cur];
4193 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4194
4195 wh = mtod(m, struct ieee80211_frame *);
4196
4197 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4198
4199 /* fill Tx wireless info */
4200
4201 if (ni->ni_flags & IEEE80211_NODE_HT)
4202 mcs = rate;
4203 else
4204 mcs = rt2860_rate2mcs(rate);
4205
4206 /* calculate MPDU length without padding */
4207
4208 hdrsize = ieee80211_anyhdrsize(wh);
4209 hdrspace = ieee80211_anyhdrspace(ic, wh);
4210 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4211
4212 memset(txwi, 0, sizeof(struct rt2860_txwi));
4213
4214 /* management frames do not need encryption */
4215
4216 txwi->wcid = RT2860_WCID_RESERVED;
4217
4218 /* MIMO power save */
4219
4220 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4221 {
4222 if (mcs > 7)
4223 {
4224 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4225 {
4226 /* dynamic MIMO power save */
4227
4228 txwi->mpdu_density_flags |=
4229 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4230 }
4231 else
4232 {
4233 /* static MIMO power save */
4234
4235 mcs = 7;
4236 }
4237 }
4238
4239 mimops = 1;
4240 }
4241 else
4242 {
4243 mimops = 0;
4244 }
4245
4246 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4247
4248 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4249 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4250 RT2860_TXWI_MPDU_LEN_SHIFT);
4251
4252 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4253 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4254
4255 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4256 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4257
4258 txwi->phymode_ifs_stbc_shortgi |=
4259 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4260 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4261
4262 if (ni->ni_flags & IEEE80211_NODE_HT)
4263 {
4264 txwi->phymode_ifs_stbc_shortgi |=
4265 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4266 }
4267 else
4268 {
4269 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4270 {
4271 txwi->phymode_ifs_stbc_shortgi |=
4272 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4273
4274 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4275 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4276 }
4277 else
4278 {
4279 txwi->phymode_ifs_stbc_shortgi |=
4280 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4281 }
4282 }
4283
4284 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
4285 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4286
4287 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
4288
4289 /* skip ACKs for multicast frames */
4290
4291 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4292 {
4293 txwi->bawin_size_xflags |=
4294 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4295
4296 if (ni->ni_flags & IEEE80211_NODE_HT)
4297 {
4298 /* preamble + plcp + signal extension + SIFS */
4299
4300 dur = 16 + 4 + 6 + 10;
4301 }
4302 else
4303 {
4304 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4305 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4306 }
4307
4308 *(uint16_t *) wh->i_dur = htole16(dur);
4309 }
4310
4311 /* ask MAC to insert timestamp into probe responses */
4312
4313 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4314 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4315 txwi->mpdu_density_flags |=
4316 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4317
4318 if (ieee80211_radiotap_active_vap(vap))
4319 {
4320 tap = &sc->txtap;
4321
4322 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4323 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4324 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4325 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4326 tap->chan_maxpow = 0;
4327
4328 if (ni->ni_flags & IEEE80211_NODE_HT)
4329 tap->rate = mcs | IEEE80211_RATE_MCS;
4330 else
4331 tap->rate = rate;
4332
4333 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4334 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4335
4336 if (shortgi)
4337 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4338
4339 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4340 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4341
4342 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4343 {
4344 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4345
4346 ieee80211_radiotap_tx(vap, m);
4347
4348 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4349 }
4350 else
4351 {
4352 ieee80211_radiotap_tx(vap, m);
4353 }
4354 }
4355
4356 /* copy and trim 802.11 header */
4357
4358 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4359 m_adj(m, hdrspace);
4360
4361 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4362 dma_seg, &ndmasegs, 0);
4363 if (error != 0)
4364 {
4365 /* too many fragments, linearize */
4366
4367 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4368 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4369 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4370
4371 m = m_defrag(m, M_DONTWAIT);
4372 if (m == NULL)
4373 return ENOMEM;
4374
4375 sc->tx_defrag_packets++;
4376
4377 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4378 dma_seg, &ndmasegs, 0);
4379 if (error != 0)
4380 {
4381 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4382 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4383 m_freem(m);
4384 return error;
4385 }
4386 }
4387
4388 if (m->m_pkthdr.len == 0)
4389 ndmasegs = 0;
4390
4391 /* determine how many Tx descs are required */
4392
4393 ndescs = 1 + ndmasegs / 2;
4394 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4395 {
4396 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4397 "%s: there are not enough Tx descs\n",
4398 device_get_nameunit(sc->dev));
4399
4400 sc->no_tx_desc_avail++;
4401
4402 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4403 m_freem(m);
4404 return EFBIG;
4405 }
4406
4407 data->m = m;
4408 data->ni = ni;
4409
4410 /* set up Tx descs */
4411
4412 /* first segment is Tx wireless info and 802.11 header */
4413
4414 len = sizeof(struct rt2860_txwi) + hdrsize;
4415
4416 /* align end on a 4-bytes boundary */
4417
4418 dmalen = (len + 3) & ~ 3;
4419
4420 memset((caddr_t) txwi + len, 0, dmalen - len);
4421
4422 qsel = RT2860_TXDESC_QSEL_EDCA;
4423
4424 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4425 desc->sdl0 = htole16(dmalen);
4426 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4427
4428 /* set up payload segments */
4429
4430 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4431 {
4432 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4433 desc->sdl1 = htole16(dma_seg[j].ds_len);
4434
4435 ring->desc_queued++;
4436 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4437
4438 j++;
4439
4440 desc = &ring->desc[ring->desc_cur];
4441
4442 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4443 desc->sdl0 = htole16(dma_seg[j].ds_len);
4444 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4445
4446 j++;
4447 }
4448
4449 /* finalize last payload segment */
4450
4451 if (i > 0)
4452 {
4453 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4454 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4455 }
4456 else
4457 {
4458 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4459 desc->sdl1 = 0;
4460 }
4461
4462 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4463 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4464 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4465 device_get_nameunit(sc->dev),
4466 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4467 stbc, shortgi, mcs, mimops, dmalen, ndmasegs,
4468 (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);
4469
4470 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4471 BUS_DMASYNC_PREWRITE);
4472 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4473 BUS_DMASYNC_PREWRITE);
4474 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4475 BUS_DMASYNC_PREWRITE);
4476
4477 ring->desc_queued++;
4478 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4479
4480 ring->data_queued++;
4481 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4482
4483 /* kick Tx */
4484
4485 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4486
4487 return 0;
4488 }
4489
4490 /*
4491 * rt2860_tx_data
4492 */
4493 static int rt2860_tx_data(struct rt2860_softc *sc,
4494 struct mbuf *m, struct ieee80211_node *ni, int qid)
4495 {
4496 struct ifnet *ifp;
4497 struct ieee80211com *ic;
4498 struct ieee80211vap *vap;
4499 const struct ieee80211_txparam *tp;
4500 struct rt2860_softc_node *rni;
4501 struct rt2860_softc_tx_ring *ring;
4502 struct rt2860_softc_tx_data *data;
4503 struct rt2860_txdesc *desc;
4504 struct rt2860_txwi *txwi;
4505 struct ieee80211_frame *wh;
4506 struct ieee80211_tx_ampdu *tx_ampdu;
4507 ieee80211_seq seqno;
4508 struct rt2860_softc_tx_radiotap_header *tap;
4509 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4510 u_int hdrsize, hdrspace;
4511 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4512 uint16_t qos, len, dmalen, mpdu_len, dur;
4513 int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j;
4514
4515 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4516 ("%s: Tx data: invalid qid=%d\n",
4517 device_get_nameunit(sc->dev), qid));
4518
4519 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4520
4521 ifp = sc->ifp;
4522 ic = ifp->if_l2com;
4523 vap = ni->ni_vap;
4524 rni = (struct rt2860_softc_node *) ni;
4525 tp = ni->ni_txparms;
4526
4527 ring = &sc->tx_ring[qid];
4528 desc = &ring->desc[ring->desc_cur];
4529 data = &ring->data[ring->data_cur];
4530 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4531
4532 wh = mtod(m, struct ieee80211_frame *);
4533
4534 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4535
4536 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4537 if (hasqos)
4538 {
4539 if (IEEE80211_HAS_ADDR4(wh))
4540 qos = le16toh(*(const uint16_t *)
4541 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4542 else
4543 qos = le16toh(*(const uint16_t *)
4544 (((struct ieee80211_qosframe *) wh)->i_qos));
4545 }
4546 else
4547 {
4548 qos = 0;
4549 }
4550
4551 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4552 rate = tp->mcastrate;
4553 else if (m->m_flags & M_EAPOL)
4554 rate = tp->mgmtrate;
4555 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4556 rate = tp->ucastrate;
4557 else
4558 rate = ni->ni_txrate;
4559
4560 rate &= IEEE80211_RATE_VAL;
4561
4562 /* fill Tx wireless info */
4563
4564 if (ni->ni_flags & IEEE80211_NODE_HT)
4565 mcs = rate;
4566 else
4567 mcs = rt2860_rate2mcs(rate);
4568
4569 if (type == IEEE80211_FC0_TYPE_DATA)
4570 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
4571 else
4572 wcid = RT2860_WCID_RESERVED;
4573
4574 /* calculate MPDU length without padding */
4575
4576 hdrsize = ieee80211_anyhdrsize(wh);
4577 hdrspace = ieee80211_anyhdrspace(ic, wh);
4578 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4579
4580 memset(txwi, 0, sizeof(struct rt2860_txwi));
4581
4582 txwi->wcid = wcid;
4583
4584 /* MIMO power save */
4585
4586 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4587 {
4588 if (mcs > 7)
4589 {
4590 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4591 {
4592 /* dynamic MIMO power save */
4593
4594 txwi->mpdu_density_flags |=
4595 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4596 }
4597 else
4598 {
4599 /* static MIMO power save */
4600
4601 mcs = 7;
4602 }
4603 }
4604
4605 mimops = 1;
4606 }
4607 else
4608 {
4609 mimops = 0;
4610 }
4611
4612 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4613
4614 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4615 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4616 RT2860_TXWI_MPDU_LEN_SHIFT);
4617
4618 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4619 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4620
4621 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4622 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4623
4624 txwi->phymode_ifs_stbc_shortgi |=
4625 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4626 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4627
4628 if (ni->ni_flags & IEEE80211_NODE_HT)
4629 {
4630 txwi->phymode_ifs_stbc_shortgi |=
4631 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4632 }
4633 else
4634 {
4635 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4636 {
4637 txwi->phymode_ifs_stbc_shortgi |=
4638 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4639
4640 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4641 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4642 }
4643 else
4644 {
4645 txwi->phymode_ifs_stbc_shortgi |=
4646 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4647 }
4648 }
4649
4650 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4651 bw = RT2860_TXWI_BW_40;
4652 else
4653 bw = RT2860_TXWI_BW_20;
4654
4655 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4656 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4657
4658 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4659
4660 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4661 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4662 {
4663 txwi->bawin_size_xflags |=
4664 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4665
4666 if (ni->ni_flags & IEEE80211_NODE_HT)
4667 {
4668 /* preamble + plcp + signal extension + SIFS */
4669
4670 dur = 16 + 4 + 6 + 10;
4671 }
4672 else
4673 {
4674 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4675 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4676 }
4677
4678 *(uint16_t *) wh->i_dur = htole16(dur);
4679 }
4680
4681 /* check for A-MPDU */
4682
4683 if (m->m_flags & M_AMPDU_MPDU)
4684 {
4685 ac = M_WME_GETAC(m);
4686 tid = WME_AC_TO_TID(ac);
4687 tx_ampdu = &ni->ni_tx_ampdu[ac];
4688
4689 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4690 bawin_size = tx_ampdu->txa_wnd;
4691
4692 txwi->mpdu_density_flags |=
4693 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4694 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4695
4696 txwi->bawin_size_xflags |=
4697 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4698
4699 seqno = ni->ni_txseqs[tid]++;
4700
4701 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4702
4703 ampdu = 1;
4704 }
4705 else
4706 {
4707 mpdu_density = 0;
4708 bawin_size = 0;
4709 ampdu = 0;
4710 }
4711
4712 /* ask MAC to insert timestamp into probe responses */
4713
4714 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4715 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4716 txwi->mpdu_density_flags |=
4717 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4718
4719 if (ieee80211_radiotap_active_vap(vap))
4720 {
4721 tap = &sc->txtap;
4722
4723 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4724 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4725 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4726 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4727 tap->chan_maxpow = 0;
4728
4729 if (ni->ni_flags & IEEE80211_NODE_HT)
4730 tap->rate = mcs | IEEE80211_RATE_MCS;
4731 else
4732 tap->rate = rate;
4733
4734 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4735 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4736
4737 if (shortgi)
4738 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4739
4740 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4741 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4742
4743 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
4744
4745 if (ampdu)
4746 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
4747
4748 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4749 {
4750 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4751
4752 ieee80211_radiotap_tx(vap, m);
4753
4754 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4755 }
4756 else
4757 {
4758 ieee80211_radiotap_tx(vap, m);
4759 }
4760 }
4761
4762 /* copy and trim 802.11 header */
4763
4764 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4765 m_adj(m, hdrspace);
4766
4767 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4768 dma_seg, &ndmasegs, 0);
4769 if (error != 0)
4770 {
4771 /* too many fragments, linearize */
4772
4773 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4774 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4775 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4776
4777 m = m_defrag(m, M_DONTWAIT);
4778 if (m == NULL)
4779 return ENOMEM;
4780
4781 sc->tx_defrag_packets++;
4782
4783 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4784 dma_seg, &ndmasegs, 0);
4785 if (error != 0)
4786 {
4787 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4788 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4789 m_freem(m);
4790 return error;
4791 }
4792 }
4793
4794 if (m->m_pkthdr.len == 0)
4795 ndmasegs = 0;
4796
4797 /* determine how many Tx descs are required */
4798
4799 ndescs = 1 + ndmasegs / 2;
4800 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4801 {
4802 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4803 "%s: there are not enough Tx descs\n",
4804 device_get_nameunit(sc->dev));
4805
4806 sc->no_tx_desc_avail++;
4807
4808 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4809 m_freem(m);
4810 return EFBIG;
4811 }
4812
4813 data->m = m;
4814 data->ni = ni;
4815
4816 /* set up Tx descs */
4817
4818 /* first segment is Tx wireless info and 802.11 header */
4819
4820 len = sizeof(struct rt2860_txwi) + hdrsize;
4821
4822 /* align end on a 4-bytes boundary */
4823
4824 dmalen = (len + 3) & ~ 3;
4825
4826 memset((caddr_t) txwi + len, 0, dmalen - len);
4827
4828 qsel = RT2860_TXDESC_QSEL_EDCA;
4829
4830 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4831 desc->sdl0 = htole16(dmalen);
4832 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4833
4834 /* set up payload segments */
4835
4836 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4837 {
4838 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4839 desc->sdl1 = htole16(dma_seg[j].ds_len);
4840
4841 ring->desc_queued++;
4842 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4843
4844 j++;
4845
4846 desc = &ring->desc[ring->desc_cur];
4847
4848 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4849 desc->sdl0 = htole16(dma_seg[j].ds_len);
4850 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4851
4852 j++;
4853 }
4854
4855 /* finalize last payload segment */
4856
4857 if (i > 0)
4858 {
4859 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4860 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4861 }
4862 else
4863 {
4864 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4865 desc->sdl1 = 0;
4866 }
4867
4868 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4869 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4870 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
4871 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4872 device_get_nameunit(sc->dev),
4873 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4874 bw, stbc, shortgi, mcs, wcid, ampdu, mpdu_density, bawin_size, mimops, dmalen, ndmasegs,
4875 (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);
4876
4877 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4878 BUS_DMASYNC_PREWRITE);
4879 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4880 BUS_DMASYNC_PREWRITE);
4881 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4882 BUS_DMASYNC_PREWRITE);
4883
4884 ring->desc_queued++;
4885 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4886
4887 ring->data_queued++;
4888 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4889
4890 /* kick Tx */
4891
4892 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4893
4894 return 0;
4895 }
4896
4897 /*
4898 * rt2860_tx_raw
4899 */
4900 static int rt2860_tx_raw(struct rt2860_softc *sc,
4901 struct mbuf *m, struct ieee80211_node *ni,
4902 const struct ieee80211_bpf_params *params)
4903 {
4904 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4905 "%s: Tx raw\n",
4906 device_get_nameunit(sc->dev));
4907
4908 return 0;
4909 }
4910
4911 /*
4912 * rt2860_intr
4913 */
4914 static void rt2860_intr(void *arg)
4915 {
4916 struct rt2860_softc *sc;
4917 struct ifnet *ifp;
4918 uint32_t status;
4919
4920 sc = arg;
4921 ifp = sc->ifp;
4922
4923 /* acknowledge interrupts */
4924
4925 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4926 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4927
4928 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4929 "%s: interrupt: status = 0x%08x\n",
4930 device_get_nameunit(sc->dev), status);
4931
4932 if (status == 0xffffffff || /* device likely went away */
4933 status == 0) /* not for us */
4934 return;
4935
4936 sc->interrupts++;
4937
4938 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4939 return;
4940
4941 if (status & RT2860_REG_INT_TX_COHERENT)
4942 rt2860_tx_coherent_intr(sc);
4943
4944 if (status & RT2860_REG_INT_RX_COHERENT)
4945 rt2860_rx_coherent_intr(sc);
4946
4947 if (status & RT2860_REG_INT_TXRX_COHERENT)
4948 rt2860_txrx_coherent_intr(sc);
4949
4950 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4951 rt2860_fifo_sta_full_intr(sc);
4952
4953 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4954 rt2860_tx_intr(sc, 5);
4955
4956 if (status & RT2860_REG_INT_RX_DONE)
4957 rt2860_rx_intr(sc);
4958
4959 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4960 rt2860_rx_delay_intr(sc);
4961
4962 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4963 rt2860_tx_intr(sc, 4);
4964
4965 if (status & RT2860_REG_INT_TX_AC3_DONE)
4966 rt2860_tx_intr(sc, 3);
4967
4968 if (status & RT2860_REG_INT_TX_AC2_DONE)
4969 rt2860_tx_intr(sc, 2);
4970
4971 if (status & RT2860_REG_INT_TX_AC1_DONE)
4972 rt2860_tx_intr(sc, 1);
4973
4974 if (status & RT2860_REG_INT_TX_AC0_DONE)
4975 rt2860_tx_intr(sc, 0);
4976
4977 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4978 rt2860_tx_delay_intr(sc);
4979
4980 if (status & RT2860_REG_INT_PRE_TBTT)
4981 rt2860_pre_tbtt_intr(sc);
4982
4983 if (status & RT2860_REG_INT_TBTT)
4984 rt2860_tbtt_intr(sc);
4985
4986 if (status & RT2860_REG_INT_MCU_CMD)
4987 rt2860_mcu_cmd_intr(sc);
4988
4989 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4990 rt2860_auto_wakeup_intr(sc);
4991
4992 if (status & RT2860_REG_INT_GP_TIMER)
4993 rt2860_gp_timer_intr(sc);
4994 }
4995
4996 /*
4997 * rt2860_tx_coherent_intr
4998 */
4999 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
5000 {
5001 uint32_t tmp;
5002 int i;
5003
5004 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5005 "%s: Tx coherent interrupt\n",
5006 device_get_nameunit(sc->dev));
5007
5008 sc->tx_coherent_interrupts++;
5009
5010 /* restart DMA engine */
5011
5012 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5013
5014 tmp &= ~(RT2860_REG_TX_WB_DDONE |
5015 RT2860_REG_RX_DMA_ENABLE |
5016 RT2860_REG_TX_DMA_ENABLE);
5017
5018 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5019
5020 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
5021
5022 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5023 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
5024
5025 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5026 {
5027 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
5028 sc->tx_ring[i].desc_phys_addr);
5029 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
5030 RT2860_SOFTC_TX_RING_DESC_COUNT);
5031 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
5032 }
5033
5034 /* init Rx ring */
5035
5036 rt2860_reset_rx_ring(sc, &sc->rx_ring);
5037
5038 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
5039 sc->rx_ring.desc_phys_addr);
5040 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5041 RT2860_SOFTC_RX_RING_DATA_COUNT);
5042 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5043 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5044
5045 rt2860_txrx_enable(sc);
5046 }
5047
5048 /*
5049 * rt2860_rx_coherent_intr
5050 */
5051 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
5052 {
5053 uint32_t tmp;
5054 int i;
5055
5056 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5057 "%s: Rx coherent interrupt\n",
5058 device_get_nameunit(sc->dev));
5059
5060 sc->rx_coherent_interrupts++;
5061
5062 /* restart DMA engine */
5063
5064 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5065
5066 tmp &= ~(RT2860_REG_TX_WB_DDONE |
5067 RT2860_REG_RX_DMA_ENABLE |
5068 RT2860_REG_TX_DMA_ENABLE);
5069
5070 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5071
5072 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
5073
5074 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5075 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
5076
5077 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5078 {
5079 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
5080 sc->tx_ring[i].desc_phys_addr);
5081 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
5082 RT2860_SOFTC_TX_RING_DESC_COUNT);
5083 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
5084 }
5085
5086 /* init Rx ring */
5087
5088 rt2860_reset_rx_ring(sc, &sc->rx_ring);
5089
5090 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
5091 sc->rx_ring.desc_phys_addr);
5092 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5093 RT2860_SOFTC_RX_RING_DATA_COUNT);
5094 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5095 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5096
5097 rt2860_txrx_enable(sc);
5098 }
5099
5100 /*
5101 * rt2860_txrx_coherent_intr
5102 */
5103 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
5104 {
5105 uint32_t tmp;
5106 int i;
5107
5108 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5109 "%s: Tx/Rx coherent interrupt\n",
5110 device_get_nameunit(sc->dev));
5111
5112 sc->txrx_coherent_interrupts++;
5113
5114 /* restart DMA engine */
5115
5116 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5117
5118 tmp &= ~(RT2860_REG_TX_WB_DDONE |
5119 RT2860_REG_RX_DMA_ENABLE |
5120 RT2860_REG_TX_DMA_ENABLE);
5121
5122 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5123
5124 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
5125
5126 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5127 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
5128
5129 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5130 {
5131 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
5132 sc->tx_ring[i].desc_phys_addr);
5133 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
5134 RT2860_SOFTC_TX_RING_DESC_COUNT);
5135 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
5136 }
5137
5138 /* init Rx ring */
5139
5140 rt2860_reset_rx_ring(sc, &sc->rx_ring);
5141
5142 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
5143 sc->rx_ring.desc_phys_addr);
5144 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5145 RT2860_SOFTC_RX_RING_DATA_COUNT);
5146 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5147 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5148
5149 rt2860_txrx_enable(sc);
5150 }
5151
5152 /*
5153 * rt2860_fifo_sta_full_intr
5154 */
5155 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
5156 {
5157 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5158 "%s: FIFO statistic full interrupt\n",
5159 device_get_nameunit(sc->dev));
5160
5161 sc->fifo_sta_full_interrupts++;
5162
5163 RT2860_SOFTC_LOCK(sc);
5164
5165 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
5166 {
5167 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5168
5169 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5170 }
5171
5172 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
5173
5174 RT2860_SOFTC_UNLOCK(sc);
5175 }
5176
5177 /*
5178 * rt2860_rx_intr
5179 */
5180 static void rt2860_rx_intr(struct rt2860_softc *sc)
5181 {
5182 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5183 "%s: Rx interrupt\n",
5184 device_get_nameunit(sc->dev));
5185
5186 sc->rx_interrupts++;
5187
5188 RT2860_SOFTC_LOCK(sc);
5189
5190 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
5191 {
5192 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
5193
5194 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5195 }
5196
5197 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
5198
5199 RT2860_SOFTC_UNLOCK(sc);
5200 }
5201
5202 /*
5203 * rt2860_rx_delay_intr
5204 */
5205 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
5206 {
5207 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5208 "%s: Rx delay interrupt\n",
5209 device_get_nameunit(sc->dev));
5210
5211 sc->rx_delay_interrupts++;
5212 }
5213
5214 /*
5215 * rt2860_tx_intr
5216 */
5217 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
5218 {
5219 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
5220 ("%s: Tx interrupt: invalid qid=%d\n",
5221 device_get_nameunit(sc->dev), qid));
5222
5223 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5224 "%s: Tx interrupt: qid=%d\n",
5225 device_get_nameunit(sc->dev), qid);
5226
5227 sc->tx_interrupts[qid]++;
5228
5229 RT2860_SOFTC_LOCK(sc);
5230
5231 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
5232 {
5233 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
5234
5235 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5236 }
5237
5238 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
5239
5240 RT2860_SOFTC_UNLOCK(sc);
5241 }
5242
5243 /*
5244 * rt2860_tx_delay_intr
5245 */
5246 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
5247 {
5248 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5249 "%s: Tx delay interrupt\n",
5250 device_get_nameunit(sc->dev));
5251
5252 sc->tx_delay_interrupts++;
5253 }
5254
5255 /*
5256 * rt2860_pre_tbtt_intr
5257 */
5258 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
5259 {
5260 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5261 "%s: Pre-TBTT interrupt\n",
5262 device_get_nameunit(sc->dev));
5263
5264 sc->pre_tbtt_interrupts++;
5265 }
5266
5267 /*
5268 * rt2860_tbtt_intr
5269 */
5270 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
5271 {
5272 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5273 "%s: TBTT interrupt\n",
5274 device_get_nameunit(sc->dev));
5275
5276 sc->tbtt_interrupts++;
5277 }
5278
5279 /*
5280 * rt2860_mcu_cmd_intr
5281 */
5282 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
5283 {
5284 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5285 "%s: MCU command interrupt\n",
5286 device_get_nameunit(sc->dev));
5287
5288 sc->mcu_cmd_interrupts++;
5289 }
5290
5291 /*
5292 * rt2860_auto_wakeup_intr
5293 */
5294 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
5295 {
5296 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5297 "%s: auto wakeup interrupt\n",
5298 device_get_nameunit(sc->dev));
5299
5300 sc->auto_wakeup_interrupts++;
5301 }
5302
5303 /*
5304 * rt2860_gp_timer_intr
5305 */
5306 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
5307 {
5308 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5309 "%s: GP timer interrupt\n",
5310 device_get_nameunit(sc->dev));
5311
5312 sc->gp_timer_interrupts++;
5313 }
5314
5315 /*
5316 * rt2860_rx_done_task
5317 */
5318 static void rt2860_rx_done_task(void *context, int pending)
5319 {
5320 struct rt2860_softc *sc;
5321 struct ifnet *ifp;
5322 int again;
5323
5324 sc = context;
5325 ifp = sc->ifp;
5326
5327 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5328 "%s: Rx done task\n",
5329 device_get_nameunit(sc->dev));
5330
5331 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5332 return;
5333
5334 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
5335
5336 again = rt2860_rx_eof(sc, sc->rx_process_limit);
5337
5338 RT2860_SOFTC_LOCK(sc);
5339
5340 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
5341 {
5342 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5343 "%s: Rx done task: scheduling again\n",
5344 device_get_nameunit(sc->dev));
5345
5346 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5347 }
5348 else
5349 {
5350 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
5351 }
5352
5353 RT2860_SOFTC_UNLOCK(sc);
5354 }
5355
5356 /*
5357 * rt2860_tx_done_task
5358 */
5359 static void rt2860_tx_done_task(void *context, int pending)
5360 {
5361 struct rt2860_softc *sc;
5362 struct ifnet *ifp;
5363 uint32_t intr_mask;
5364 int i;
5365
5366 sc = context;
5367 ifp = sc->ifp;
5368
5369 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5370 "%s: Tx done task\n",
5371 device_get_nameunit(sc->dev));
5372
5373 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5374 return;
5375
5376 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
5377 {
5378 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
5379 {
5380 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
5381
5382 rt2860_tx_eof(sc, &sc->tx_ring[i]);
5383 }
5384 }
5385
5386 sc->tx_timer = 0;
5387
5388 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5389
5390 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
5391 RT2860_REG_INT_TX_HCCA_DONE |
5392 RT2860_REG_INT_TX_AC3_DONE |
5393 RT2860_REG_INT_TX_AC2_DONE |
5394 RT2860_REG_INT_TX_AC1_DONE |
5395 RT2860_REG_INT_TX_AC0_DONE);
5396
5397 RT2860_SOFTC_LOCK(sc);
5398
5399 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
5400 (sc->intr_disable_mask & intr_mask));
5401
5402 if (sc->intr_pending_mask & intr_mask)
5403 {
5404 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5405 "%s: Tx done task: scheduling again\n",
5406 device_get_nameunit(sc->dev));
5407
5408 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5409 }
5410
5411 RT2860_SOFTC_UNLOCK(sc);
5412
5413 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5414 rt2860_start(ifp);
5415 }
5416
5417 /*
5418 * rt2860_fifo_sta_full_task
5419 */
5420 static void rt2860_fifo_sta_full_task(void *context, int pending)
5421 {
5422 struct rt2860_softc *sc;
5423 struct ifnet *ifp;
5424
5425 sc = context;
5426 ifp = sc->ifp;
5427
5428 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5429 "%s: FIFO statistic full task\n",
5430 device_get_nameunit(sc->dev));
5431
5432 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5433 return;
5434
5435 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
5436
5437 rt2860_drain_fifo_stats(sc);
5438
5439 RT2860_SOFTC_LOCK(sc);
5440
5441 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
5442 {
5443 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5444 "%s: FIFO statistic full task: scheduling again\n",
5445 device_get_nameunit(sc->dev));
5446
5447 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5448 }
5449 else
5450 {
5451 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5452 }
5453
5454 RT2860_SOFTC_UNLOCK(sc);
5455
5456 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5457 rt2860_start(ifp);
5458 }
5459
5460 /*
5461 * rt2860_periodic_task
5462 */
5463 static void rt2860_periodic_task(void *context, int pending)
5464 {
5465 struct rt2860_softc *sc;
5466 struct ifnet *ifp;
5467 struct ieee80211com *ic;
5468 struct ieee80211vap *vap;
5469
5470 sc = context;
5471 ifp = sc->ifp;
5472 ic = ifp->if_l2com;
5473 vap = TAILQ_FIRST(&ic->ic_vaps);
5474
5475 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5476 "%s: periodic task: round=%lu\n",
5477 device_get_nameunit(sc->dev), sc->periodic_round);
5478
5479 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5480 return;
5481
5482 RT2860_SOFTC_LOCK(sc);
5483
5484 sc->periodic_round++;
5485
5486 rt2860_update_stats(sc);
5487
5488 if ((sc->periodic_round % 10) == 0)
5489 {
5490 rt2860_bbp_tuning(sc);
5491
5492 rt2860_update_raw_counters(sc);
5493
5494 rt2860_watchdog(sc);
5495
5496 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5497 {
5498 if (vap->iv_opmode == IEEE80211_M_STA)
5499 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5500 else
5501 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5502 }
5503 }
5504
5505 RT2860_SOFTC_UNLOCK(sc);
5506
5507 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5508 }
5509
5510 /*
5511 * rt2860_rx_eof
5512 */
5513 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5514 {
5515 struct ifnet *ifp;
5516 struct ieee80211com *ic;
5517 struct ieee80211_frame *wh;
5518 struct ieee80211_node *ni;
5519 struct rt2860_softc_node *rni;
5520 struct rt2860_softc_rx_radiotap_header *tap;
5521 struct rt2860_softc_rx_ring *ring;
5522 struct rt2860_rxdesc *desc;
5523 struct rt2860_softc_rx_data *data;
5524 struct rt2860_rxwi *rxwi;
5525 struct mbuf *m, *mnew;
5526 bus_dma_segment_t segs[1];
5527 bus_dmamap_t dma_map;
5528 uint32_t index, desc_flags;
5529 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
5530 uint16_t seq;
5531 int8_t rssi_dbm;
5532 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5533
5534 ifp = sc->ifp;
5535 ic = ifp->if_l2com;
5536 ring = &sc->rx_ring;
5537
5538 nframes = 0;
5539
5540 while (limit != 0)
5541 {
5542 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5543 if (ring->cur == index)
5544 break;
5545
5546 desc = &ring->desc[ring->cur];
5547 data = &ring->data[ring->cur];
5548
5549 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5550 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5551
5552 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5553 break;
5554
5555 nframes++;
5556
5557 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5558 if (mnew == NULL)
5559 {
5560 sc->rx_mbuf_alloc_errors++;
5561 ifp->if_ierrors++;
5562 goto skip;
5563 }
5564
5565 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5566
5567 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5568 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5569 if (error != 0)
5570 {
5571 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5572 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5573 device_get_nameunit(sc->dev), error, nsegs);
5574
5575 m_freem(mnew);
5576
5577 sc->rx_mbuf_dmamap_errors++;
5578 ifp->if_ierrors++;
5579
5580 goto skip;
5581 }
5582
5583 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5584 device_get_nameunit(sc->dev)));
5585
5586 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5587 BUS_DMASYNC_POSTREAD);
5588 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5589
5590 dma_map = data->dma_map;
5591 data->dma_map = ring->spare_dma_map;
5592 ring->spare_dma_map = dma_map;
5593
5594 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5595 BUS_DMASYNC_PREREAD);
5596
5597 m = data->m;
5598
5599 data->m = mnew;
5600 desc->sdp0 = htole32(segs[0].ds_addr);
5601
5602 desc_flags = le32toh(desc->flags);
5603
5604 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5605 "%s: Rx frame: rxdesc flags=0x%08x\n",
5606 device_get_nameunit(sc->dev), desc_flags);
5607
5608 /* get Rx wireless info */
5609
5610 rxwi = mtod(m, struct rt2860_rxwi *);
5611 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5612 RT2860_RXWI_SIZE_MASK;
5613
5614 /* check for L2 padding between IEEE 802.11 frame header and body */
5615
5616 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5617 {
5618 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5619 "%s: L2 padding: len=%d\n",
5620 device_get_nameunit(sc->dev), len);
5621
5622 len += 2;
5623 }
5624
5625 m->m_pkthdr.rcvif = ifp;
5626 m->m_data = (caddr_t) (rxwi + 1);
5627 m->m_pkthdr.len = m->m_len = len;
5628
5629 /* check for crc errors */
5630
5631 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5632 {
5633 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5634 "%s: rxdesc: crc error\n",
5635 device_get_nameunit(sc->dev));
5636
5637 ifp->if_ierrors++;
5638
5639 if (!(ifp->if_flags & IFF_PROMISC))
5640 {
5641 m_freem(m);
5642 goto skip;
5643 }
5644 }
5645
5646 wh = (struct ieee80211_frame *) (rxwi + 1);
5647
5648 /* check for cipher errors */
5649
5650 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5651 {
5652 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5653 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5654 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5655 {
5656 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5657 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5658
5659 m->m_flags |= M_WEP;
5660
5661 sc->rx_cipher_no_errors++;
5662 }
5663 else
5664 {
5665 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5666 "%s: rxdesc: cipher error=0x%02x\n",
5667 device_get_nameunit(sc->dev), cipher_err);
5668
5669 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5670 sc->rx_cipher_icv_errors++;
5671 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5672 sc->rx_cipher_mic_errors++;
5673 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5674 sc->rx_cipher_invalid_key_errors++;
5675
5676 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5677 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5678 {
5679 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5680 if (ni != NULL)
5681 {
5682 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5683 RT2860_RXWI_KEYIDX_MASK;
5684
5685 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5686
5687 ieee80211_free_node(ni);
5688 }
5689 }
5690
5691 ifp->if_ierrors++;
5692
5693 if (!(ifp->if_flags & IFF_PROMISC))
5694 {
5695 m_free(m);
5696 goto skip;
5697 }
5698 }
5699 }
5700 else
5701 {
5702 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5703 {
5704 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5705 "%s: rxdesc: not decrypted but protected flag set\n",
5706 device_get_nameunit(sc->dev));
5707
5708 ifp->if_ierrors++;
5709
5710 if (!(ifp->if_flags & IFF_PROMISC))
5711 {
5712 m_free(m);
5713 goto skip;
5714 }
5715 }
5716 }
5717
5718 /* check for A-MPDU */
5719
5720 if (desc_flags & RT2860_RXDESC_FLAGS_BA)
5721 {
5722 m->m_flags |= M_AMPDU;
5723
5724 sc->rx_ampdu++;
5725
5726 if (wh->i_fc[1] & IEEE80211_FC1_RETRY)
5727 sc->rx_ampdu_retries++;
5728
5729 ampdu = 1;
5730 }
5731 else
5732 {
5733 ampdu = 0;
5734 }
5735
5736 /* check for A-MSDU */
5737
5738 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5739 {
5740 sc->rx_amsdu++;
5741
5742 amsdu = 1;
5743 }
5744 else
5745 {
5746 amsdu = 0;
5747 }
5748
5749 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5750 rssi = rxwi->rssi[ant];
5751 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5752 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5753 RT2860_RXWI_PHYMODE_MASK);
5754 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5755 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5756 RT2860_RXWI_SHORTGI_MASK);
5757 stbc = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_STBC_SHIFT) &
5758 RT2860_RXWI_STBC_MASK);
5759 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5760 tid = ((rxwi->tid_size >> RT2860_RXWI_TID_SHIFT) & RT2860_RXWI_TID_MASK);
5761 seq = ((rxwi->seq_frag >> RT2860_RXWI_SEQ_SHIFT) & RT2860_RXWI_SEQ_MASK);
5762 frag = ((rxwi->seq_frag >> RT2860_RXWI_FRAG_SHIFT) & RT2860_RXWI_FRAG_MASK);
5763
5764 if (ieee80211_radiotap_active(ic))
5765 {
5766 tap = &sc->rxtap;
5767
5768 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5769 tap->dbm_antsignal = rssi_dbm;
5770 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5771 tap->antenna = ant;
5772 tap->antsignal = rssi;
5773 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5774 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5775 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5776 tap->chan_maxpow = 0;
5777
5778 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5779 tap->rate = mcs | IEEE80211_RATE_MCS;
5780 else
5781 tap->rate = rt2860_rxrate(rxwi);
5782
5783 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5784 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5785
5786 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5787 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5788
5789 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5790 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5791
5792 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5793 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5794 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5795
5796 if (shortgi)
5797 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5798
5799 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
5800
5801 if (ampdu)
5802 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
5803 }
5804
5805 /*
5806 * net80211 assumes that RSSI data are in the range [-127..127] and
5807 * in .5 dBm units relative to the current noise floor
5808 */
5809
5810 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5811 if (rssi_dbm_rel > 127)
5812 rssi_dbm_rel = 127;
5813
5814 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5815 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
5816 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
5817 "retry=%d, rssi_dbm=%d, rssi_dbm_rel=%d\n",
5818 device_get_nameunit(sc->dev),
5819 len, phymode, bw, shortgi, stbc, mcs,
5820 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5821 rxwi->snr[0], rxwi->snr[1],
5822 rxwi->wcid, ampdu, amsdu, tid, seq, frag, (wh->i_fc[1] & IEEE80211_FC1_RETRY) ? 1 : 0,
5823 rssi_dbm, rssi_dbm_rel);
5824
5825 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5826 if (ni != NULL)
5827 {
5828 rni = (struct rt2860_softc_node *) ni;
5829
5830 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5831 {
5832 rni->last_rssi[i] = rxwi->rssi[i];
5833 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5834 }
5835
5836 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5837 ieee80211_free_node(ni);
5838 }
5839 else
5840 {
5841 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5842 }
5843
5844 skip:
5845
5846 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5847
5848 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5849 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5850
5851 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5852
5853 limit--;
5854 }
5855
5856 if (ring->cur == 0)
5857 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5858 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5859 else
5860 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5861 ring->cur - 1);
5862
5863 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5864 "%s: Rx eof: nframes=%d\n",
5865 device_get_nameunit(sc->dev), nframes);
5866
5867 sc->rx_packets += nframes;
5868
5869 return (limit == 0);
5870 }
5871
5872 /*
5873 * rt2860_tx_eof
5874 */
5875 static void rt2860_tx_eof(struct rt2860_softc *sc,
5876 struct rt2860_softc_tx_ring *ring)
5877 {
5878 struct ifnet *ifp;
5879 struct rt2860_txdesc *desc;
5880 struct rt2860_softc_tx_data *data;
5881 uint32_t index;
5882 int ndescs, nframes;
5883
5884 ifp = sc->ifp;
5885
5886 ndescs = 0;
5887 nframes = 0;
5888
5889 for (;;)
5890 {
5891 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5892 if (ring->desc_next == index)
5893 break;
5894
5895 ndescs++;
5896
5897 rt2860_drain_fifo_stats(sc);
5898
5899 desc = &ring->desc[ring->desc_next];
5900
5901 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5902 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5903
5904 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5905 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5906 {
5907 nframes++;
5908
5909 data = &ring->data[ring->data_next];
5910
5911 if (data->m->m_flags & M_TXCB)
5912 ieee80211_process_callback(data->ni, data->m, 0);
5913
5914 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5915 BUS_DMASYNC_POSTWRITE);
5916 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5917
5918 m_freem(data->m);
5919
5920 ieee80211_free_node(data->ni);
5921
5922 data->m = NULL;
5923 data->ni = NULL;
5924
5925 ifp->if_opackets++;
5926
5927 RT2860_SOFTC_TX_RING_LOCK(ring);
5928
5929 ring->data_queued--;
5930 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5931
5932 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5933 }
5934
5935 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5936
5937 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5938 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5939
5940 RT2860_SOFTC_TX_RING_LOCK(ring);
5941
5942 ring->desc_queued--;
5943 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5944
5945 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5946 }
5947
5948 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5949 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5950 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5951 }
5952
5953 /*
5954 * rt2860_update_stats
5955 */
5956 static void rt2860_update_stats(struct rt2860_softc *sc)
5957 {
5958 struct ifnet *ifp;
5959 struct ieee80211com *ic;
5960 uint32_t stacnt[3];
5961 int beacons, noretryok, retryok, failed, underflows, zerolen;
5962
5963 ifp = sc->ifp;
5964 ic = ifp->if_l2com;
5965
5966 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5967 "%s: update statistic\n",
5968 device_get_nameunit(sc->dev));
5969
5970 rt2860_drain_fifo_stats(sc);
5971
5972 /* read and clear Tx statistic registers */
5973
5974 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5975 stacnt, sizeof(stacnt));
5976
5977 stacnt[0] = le32toh(stacnt[0]);
5978 stacnt[1] = le32toh(stacnt[1]);
5979 stacnt[2] = le32toh(stacnt[2]);
5980
5981 beacons = stacnt[0] >> 16;
5982 noretryok = stacnt[1] & 0xffff;
5983 retryok = stacnt[1] >> 16;
5984 failed = stacnt[0] & 0xffff;
5985 underflows = stacnt[2] >> 16;
5986 zerolen = stacnt[2] & 0xffff;
5987
5988 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5989 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5990 device_get_nameunit(sc->dev),
5991 beacons, noretryok, retryok, failed, underflows, zerolen);
5992
5993 ifp->if_oerrors += failed;
5994
5995 sc->tx_beacons += beacons;
5996 sc->tx_noretryok += noretryok;
5997 sc->tx_retryok += retryok;
5998 sc->tx_failed += failed;
5999 sc->tx_underflows += underflows;
6000 sc->tx_zerolen += zerolen;
6001 }
6002
6003 /*
6004 * rt2860_bbp_tuning
6005 */
6006 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
6007 {
6008 struct ifnet *ifp;
6009 struct ieee80211com *ic;
6010 struct ieee80211vap *vap;
6011 struct ieee80211_node *ni;
6012 int chan, group;
6013 int8_t rssi, old, new;
6014
6015 /* RT2860C does not support BBP tuning */
6016
6017 if (sc->mac_rev == 0x28600100)
6018 return;
6019
6020 ifp = sc->ifp;
6021 ic = ifp->if_l2com;
6022 vap = TAILQ_FIRST(&ic->ic_vaps);
6023
6024 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
6025 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
6026 return;
6027
6028 ni = vap->iv_bss;
6029
6030 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
6031
6032 if (chan <= 14)
6033 group = 0;
6034 else if (chan <= 64)
6035 group = 1;
6036 else if (chan <= 128)
6037 group = 2;
6038 else
6039 group = 3;
6040
6041 rssi = ieee80211_getrssi(vap);
6042
6043 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
6044 {
6045 new = 0x2e + sc->lna_gain[group];
6046 }
6047 else
6048 {
6049 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
6050 new = 0x32 + sc->lna_gain[group] * 5 / 3;
6051 else
6052 new = 0x3a + sc->lna_gain[group] * 5 / 3;
6053 }
6054
6055 /* Tune if absolute average RSSI is greater than -80 */
6056
6057 if (rssi > 30)
6058 new += 0x10;
6059
6060 old = rt2860_io_bbp_read(sc, 66);
6061
6062 if (old != new)
6063 rt2860_io_bbp_write(sc, 66, new);
6064 }
6065
6066 /*
6067 * rt2860_watchdog
6068 */
6069 static void rt2860_watchdog(struct rt2860_softc *sc)
6070 {
6071 uint32_t tmp;
6072 int ntries;
6073
6074 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
6075
6076 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
6077 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
6078 device_get_nameunit(sc->dev), tmp);
6079
6080 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
6081 {
6082 sc->tx_queue_not_empty[0]++;
6083
6084 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
6085
6086 for (ntries = 0; ntries < 10; ntries++)
6087 {
6088 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
6089 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
6090 break;
6091
6092 DELAY(1);
6093 }
6094
6095 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
6096 }
6097
6098 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
6099 {
6100 sc->tx_queue_not_empty[1]++;
6101
6102 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
6103
6104 for (ntries = 0; ntries < 10; ntries++)
6105 {
6106 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
6107 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
6108 break;
6109
6110 DELAY(1);
6111 }
6112
6113 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
6114 }
6115 }
6116
6117 /*
6118 * rt2860_drain_fifo_stats
6119 */
6120 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
6121 {
6122 struct ifnet *ifp;
6123 uint32_t stats;
6124 uint8_t wcid, mcs, pid;
6125 int ok, agg, retrycnt;
6126
6127 ifp = sc->ifp;
6128
6129 /* drain Tx status FIFO (maxsize = 16) */
6130
6131 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
6132 RT2860_REG_TX_STA_FIFO_VALID)
6133 {
6134 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
6135 RT2860_REG_TX_STA_FIFO_WCID_MASK;
6136
6137 /* if no ACK was requested, no feedback is available */
6138
6139 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
6140 continue;
6141
6142 /* update AMRR statistic */
6143
6144 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
6145 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
6146 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
6147 RT2860_REG_TX_STA_FIFO_MCS_MASK;
6148 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
6149 RT2860_REG_TX_STA_FIFO_PID_MASK;
6150 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
6151
6152 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
6153 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
6154 device_get_nameunit(sc->dev),
6155 wcid, ok, agg, mcs, pid, retrycnt);
6156
6157 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
6158
6159 if (!ok)
6160 ifp->if_oerrors++;
6161 }
6162 }
6163
6164 /*
6165 * rt2860_update_raw_counters
6166 */
6167 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
6168 {
6169 uint32_t tmp;
6170
6171 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
6172
6173 sc->tx_nonagg += tmp & 0xffff;
6174 sc->tx_agg += tmp >> 16;
6175
6176 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
6177
6178 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
6179
6180 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
6181
6182 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
6183
6184 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
6185
6186 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
6187
6188 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
6189
6190 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6191
6192 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
6193
6194 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6195
6196 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
6197
6198 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6199
6200 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
6201
6202 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6203
6204 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
6205
6206 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6207
6208 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
6209
6210 sc->rx_crc_errors += tmp & 0xffff;
6211 sc->rx_phy_errors += tmp >> 16;
6212
6213 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
6214
6215 sc->rx_false_ccas += tmp & 0xffff;
6216 sc->rx_plcp_errors += tmp >> 16;
6217
6218 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
6219
6220 sc->rx_dup_packets += tmp & 0xffff;
6221 sc->rx_fifo_overflows += tmp >> 16;
6222
6223 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
6224
6225 sc->tx_mpdu_zero_density += tmp & 0xffff;
6226 sc->rx_mpdu_zero_density += tmp >> 16;
6227 }
6228
6229 /*
6230 * rt2860_intr_enable
6231 */
6232 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
6233 {
6234 uint32_t tmp;
6235
6236 sc->intr_disable_mask &= ~intr_mask;
6237
6238 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6239
6240 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6241 }
6242
6243 /*
6244 * rt2860_intr_disable
6245 */
6246 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
6247 {
6248 uint32_t tmp;
6249
6250 sc->intr_disable_mask |= intr_mask;
6251
6252 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6253
6254 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6255 }
6256
6257 /*
6258 * rt2860_txrx_enable
6259 */
6260 static int rt2860_txrx_enable(struct rt2860_softc *sc)
6261 {
6262 struct ieee80211com *ic;
6263 struct ifnet *ifp;
6264 uint32_t tmp;
6265 int ntries;
6266
6267 ifp = sc->ifp;
6268 ic = ifp->if_l2com;
6269
6270 /* enable Tx/Rx DMA engine */
6271
6272 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
6273
6274 for (ntries = 0; ntries < 200; ntries++)
6275 {
6276 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
6277 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
6278 break;
6279
6280 DELAY(1000);
6281 }
6282
6283 if (ntries == 200)
6284 {
6285 printf("%s: timeout waiting for DMA engine\n",
6286 device_get_nameunit(sc->dev));
6287 return -1;
6288 }
6289
6290 DELAY(50);
6291
6292 tmp |= RT2860_REG_TX_WB_DDONE |
6293 RT2860_REG_RX_DMA_ENABLE |
6294 RT2860_REG_TX_DMA_ENABLE |
6295 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
6296
6297 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6298
6299 /* set Rx filter */
6300
6301 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
6302 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
6303
6304 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6305 {
6306 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
6307 RT2860_REG_RX_FILTER_DROP_CTS |
6308 RT2860_REG_RX_FILTER_DROP_BA |
6309 RT2860_REG_RX_FILTER_DROP_ACK |
6310 RT2860_REG_RX_FILTER_DROP_VER_ERR |
6311 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
6312 RT2860_REG_RX_FILTER_DROP_CFACK |
6313 RT2860_REG_RX_FILTER_DROP_CFEND;
6314
6315 if (ic->ic_opmode == IEEE80211_M_STA)
6316 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
6317 RT2860_REG_RX_FILTER_DROP_PSPOLL;
6318
6319 if (!(ifp->if_flags & IFF_PROMISC))
6320 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
6321 }
6322
6323 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
6324
6325 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
6326 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
6327
6328 return 0;
6329 }
6330
6331 /*
6332 * rt2860_alloc_rx_ring
6333 */
6334 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
6335 struct rt2860_softc_rx_ring *ring)
6336 {
6337 struct rt2860_rxdesc *desc;
6338 struct rt2860_softc_rx_data *data;
6339 bus_dma_segment_t segs[1];
6340 int i, nsegs, error;
6341
6342 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6343 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6344 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
6345 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6346 0, NULL, NULL, &ring->desc_dma_tag);
6347 if (error != 0)
6348 {
6349 printf("%s: could not create Rx desc DMA tag\n",
6350 device_get_nameunit(sc->dev));
6351 goto fail;
6352 }
6353
6354 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6355 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6356 if (error != 0)
6357 {
6358 printf("%s: could not allocate Rx desc DMA memory\n",
6359 device_get_nameunit(sc->dev));
6360 goto fail;
6361 }
6362
6363 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6364 ring->desc,
6365 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6366 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6367 if (error != 0)
6368 {
6369 printf("%s: could not load Rx desc DMA map\n",
6370 device_get_nameunit(sc->dev));
6371 goto fail;
6372 }
6373
6374 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6375 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6376 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
6377 &ring->data_dma_tag);
6378 if (error != 0)
6379 {
6380 printf("%s: could not create Rx data DMA tag\n",
6381 device_get_nameunit(sc->dev));
6382 goto fail;
6383 }
6384
6385 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6386 {
6387 desc = &ring->desc[i];
6388 data = &ring->data[i];
6389
6390 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6391 if (error != 0)
6392 {
6393 printf("%s: could not create Rx data DMA map\n",
6394 device_get_nameunit(sc->dev));
6395 goto fail;
6396 }
6397
6398 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
6399 if (data->m == NULL)
6400 {
6401 printf("%s: could not allocate Rx mbuf\n",
6402 device_get_nameunit(sc->dev));
6403 error = ENOMEM;
6404 goto fail;
6405 }
6406
6407 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
6408
6409 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
6410 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
6411 if (error != 0)
6412 {
6413 printf("%s: could not load Rx mbuf DMA map\n",
6414 device_get_nameunit(sc->dev));
6415 goto fail;
6416 }
6417
6418 KASSERT(nsegs == 1, ("%s: too many DMA segments",
6419 device_get_nameunit(sc->dev)));
6420
6421 desc->sdp0 = htole32(segs[0].ds_addr);
6422 desc->sdl0 = htole16(MJUMPAGESIZE);
6423 }
6424
6425 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
6426 if (error != 0)
6427 {
6428 printf("%s: could not create Rx spare DMA map\n",
6429 device_get_nameunit(sc->dev));
6430 goto fail;
6431 }
6432
6433 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6434 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6435
6436 return 0;
6437
6438 fail:
6439
6440 rt2860_free_rx_ring(sc, ring);
6441
6442 return error;
6443 }
6444
6445 /*
6446 * rt2860_reset_rx_ring
6447 */
6448 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
6449 struct rt2860_softc_rx_ring *ring)
6450 {
6451 struct rt2860_rxdesc *desc;
6452 int i;
6453
6454 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6455 {
6456 desc = &ring->desc[i];
6457
6458 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
6459 }
6460
6461 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6462 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6463
6464 ring->cur = 0;
6465 }
6466
6467 /*
6468 * rt2860_free_rx_ring
6469 */
6470 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
6471 struct rt2860_softc_rx_ring *ring)
6472 {
6473 struct rt2860_softc_rx_data *data;
6474 int i;
6475
6476 if (ring->desc != NULL)
6477 {
6478 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6479 BUS_DMASYNC_POSTWRITE);
6480 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6481 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6482 ring->desc_dma_map);
6483 }
6484
6485 if (ring->desc_dma_tag != NULL)
6486 bus_dma_tag_destroy(ring->desc_dma_tag);
6487
6488 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6489 {
6490 data = &ring->data[i];
6491
6492 if (data->m != NULL)
6493 {
6494 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6495 BUS_DMASYNC_POSTREAD);
6496 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6497 m_freem(data->m);
6498 }
6499
6500 if (data->dma_map != NULL)
6501 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6502 }
6503
6504 if (ring->spare_dma_map != NULL)
6505 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6506
6507 if (ring->data_dma_tag != NULL)
6508 bus_dma_tag_destroy(ring->data_dma_tag);
6509 }
6510
6511 /*
6512 * rt2860_alloc_tx_ring
6513 */
6514 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6515 struct rt2860_softc_tx_ring *ring, int qid)
6516 {
6517 struct rt2860_softc_tx_data *data;
6518 int error, i;
6519
6520 mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF);
6521
6522 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6523 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6524 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6525 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6526 0, NULL, NULL, &ring->desc_dma_tag);
6527 if (error != 0)
6528 {
6529 printf("%s: could not create Tx desc DMA tag\n",
6530 device_get_nameunit(sc->dev));
6531 goto fail;
6532 }
6533
6534 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6535 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6536 if (error != 0)
6537 {
6538 printf("%s: could not allocate Tx desc DMA memory\n",
6539 device_get_nameunit(sc->dev));
6540 goto fail;
6541 }
6542
6543 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6544 ring->desc,
6545 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6546 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6547 if (error != 0)
6548 {
6549 printf("%s: could not load Tx desc DMA map\n",
6550 device_get_nameunit(sc->dev));
6551 goto fail;
6552 }
6553
6554 ring->desc_queued = 0;
6555 ring->desc_cur = 0;
6556 ring->desc_next = 0;
6557
6558 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6559 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6560 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6561 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6562 0, NULL, NULL, &ring->seg0_dma_tag);
6563 if (error != 0)
6564 {
6565 printf("%s: could not create Tx seg0 DMA tag\n",
6566 device_get_nameunit(sc->dev));
6567 goto fail;
6568 }
6569
6570 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6571 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6572 if (error != 0)
6573 {
6574 printf("%s: could not allocate Tx seg0 DMA memory\n",
6575 device_get_nameunit(sc->dev));
6576 goto fail;
6577 }
6578
6579 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6580 ring->seg0,
6581 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6582 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6583 if (error != 0)
6584 {
6585 printf("%s: could not load Tx seg0 DMA map\n",
6586 device_get_nameunit(sc->dev));
6587 goto fail;
6588 }
6589
6590 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6591 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6592 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6593 &ring->data_dma_tag);
6594 if (error != 0)
6595 {
6596 printf("%s: could not create Tx data DMA tag\n",
6597 device_get_nameunit(sc->dev));
6598 goto fail;
6599 }
6600
6601 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6602 {
6603 data = &ring->data[i];
6604
6605 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6606 if (error != 0)
6607 {
6608 printf("%s: could not create Tx data DMA map\n",
6609 device_get_nameunit(sc->dev));
6610 goto fail;
6611 }
6612 }
6613
6614 ring->data_queued = 0;
6615 ring->data_cur = 0;
6616 ring->data_next = 0;
6617
6618 ring->qid = qid;
6619
6620 return 0;
6621
6622 fail:
6623
6624 rt2860_free_tx_ring(sc, ring);
6625
6626 return error;
6627 }
6628
6629 /*
6630 * rt2860_reset_tx_ring
6631 */
6632 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6633 struct rt2860_softc_tx_ring *ring)
6634 {
6635 struct rt2860_softc_tx_data *data;
6636 struct rt2860_txdesc *desc;
6637 int i;
6638
6639 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6640 {
6641 desc = &ring->desc[i];
6642
6643 desc->sdl0 = 0;
6644 desc->sdl1 = 0;
6645 }
6646
6647 ring->desc_queued = 0;
6648 ring->desc_cur = 0;
6649 ring->desc_next = 0;
6650
6651 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6652 BUS_DMASYNC_PREWRITE);
6653
6654 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6655 BUS_DMASYNC_PREWRITE);
6656
6657 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6658 {
6659 data = &ring->data[i];
6660
6661 if (data->m != NULL)
6662 {
6663 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6664 BUS_DMASYNC_POSTWRITE);
6665 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6666 m_freem(data->m);
6667 data->m = NULL;
6668 }
6669
6670 if (data->ni != NULL)
6671 {
6672 ieee80211_free_node(data->ni);
6673 data->ni = NULL;
6674 }
6675 }
6676
6677 ring->data_queued = 0;
6678 ring->data_cur = 0;
6679 ring->data_next = 0;
6680 }
6681
6682 /*
6683 * rt2860_free_tx_ring
6684 */
6685 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6686 struct rt2860_softc_tx_ring *ring)
6687 {
6688 struct rt2860_softc_tx_data *data;
6689 int i;
6690
6691 if (ring->desc != NULL)
6692 {
6693 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6694 BUS_DMASYNC_POSTWRITE);
6695 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6696 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6697 ring->desc_dma_map);
6698 }
6699
6700 if (ring->desc_dma_tag != NULL)
6701 bus_dma_tag_destroy(ring->desc_dma_tag);
6702
6703 if (ring->seg0 != NULL)
6704 {
6705 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6706 BUS_DMASYNC_POSTWRITE);
6707 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6708 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6709 ring->seg0_dma_map);
6710 }
6711
6712 if (ring->seg0_dma_tag != NULL)
6713 bus_dma_tag_destroy(ring->seg0_dma_tag);
6714
6715 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6716 {
6717 data = &ring->data[i];
6718
6719 if (data->m != NULL)
6720 {
6721 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6722 BUS_DMASYNC_POSTWRITE);
6723 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6724 m_freem(data->m);
6725 }
6726
6727 if (data->ni != NULL)
6728 ieee80211_free_node(data->ni);
6729
6730 if (data->dma_map != NULL)
6731 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6732 }
6733
6734 if (ring->data_dma_tag != NULL)
6735 bus_dma_tag_destroy(ring->data_dma_tag);
6736
6737 mtx_destroy(&ring->lock);
6738 }
6739
6740 /*
6741 * rt2860_dma_map_addr
6742 */
6743 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6744 int nseg, int error)
6745 {
6746 if (error != 0)
6747 return;
6748
6749 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6750
6751 *(bus_addr_t *) arg = segs[0].ds_addr;
6752 }
6753
6754 /*
6755 * rt2860_sysctl_attach
6756 */
6757 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6758 {
6759 struct sysctl_ctx_list *ctx;
6760 struct sysctl_oid *tree;
6761 struct sysctl_oid *stats;
6762
6763 ctx = device_get_sysctl_ctx(sc->dev);
6764 tree = device_get_sysctl_tree(sc->dev);
6765
6766 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6767 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6768 "Tx STBC");
6769
6770 /* statistic counters */
6771
6772 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6773 "stats", CTLFLAG_RD, 0, "statistic");
6774
6775 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6776 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6777 "all interrupts");
6778
6779 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6780 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6781 "Tx coherent interrupts");
6782
6783 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6784 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6785 "Rx coherent interrupts");
6786
6787 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6788 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6789 "Tx/Rx coherent interrupts");
6790
6791 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6792 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6793 "FIFO statistic full interrupts");
6794
6795 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6796 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6797 "Rx interrupts");
6798
6799 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6800 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6801 "Rx delay interrupts");
6802
6803 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6804 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6805 "Tx MGMT interrupts");
6806
6807 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6808 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6809 "Tx HCCA interrupts");
6810
6811 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6812 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6813 "Tx AC3 interrupts");
6814
6815 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6816 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6817 "Tx AC2 interrupts");
6818
6819 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6820 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6821 "Tx AC1 interrupts");
6822
6823 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6824 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6825 "Tx AC0 interrupts");
6826
6827 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6828 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6829 "Tx delay interrupts");
6830
6831 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6832 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6833 "Pre-TBTT interrupts");
6834
6835 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6836 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6837 "TBTT interrupts");
6838
6839 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6840 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6841 "MCU command interrupts");
6842
6843 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6844 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6845 "auto wakeup interrupts");
6846
6847 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6848 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6849 "GP timer interrupts");
6850
6851 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6852 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6853 "Tx MGMT descriptors queued");
6854
6855 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6856 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6857 "Tx MGMT data queued");
6858
6859 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6860 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6861 "Tx HCCA descriptors queued");
6862
6863 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6864 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6865 "Tx HCCA data queued");
6866
6867 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6868 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6869 "Tx AC3 descriptors queued");
6870
6871 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6872 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6873 "Tx AC3 data queued");
6874
6875 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6876 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6877 "Tx AC2 descriptors queued");
6878
6879 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6880 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6881 "Tx AC2 data queued");
6882
6883 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6884 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6885 "Tx AC1 descriptors queued");
6886
6887 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6888 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6889 "Tx AC1 data queued");
6890
6891 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6892 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6893 "Tx AC0 descriptors queued");
6894
6895 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6896 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6897 "Tx AC0 data queued");
6898
6899 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6900 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6901 "Tx MGMT data queue full");
6902
6903 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6904 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6905 "Tx HCCA data queue full");
6906
6907 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6908 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6909 "Tx AC3 data queue full");
6910
6911 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6912 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6913 "Tx AC2 data queue full");
6914
6915 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6916 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6917 "Tx AC1 data queue full");
6918
6919 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6920 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6921 "Tx AC0 data queue full");
6922
6923 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6924 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6925 "Tx watchdog timeouts");
6926
6927 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6928 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6929 "Tx defragmented packets");
6930
6931 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6932 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6933 "no Tx descriptors available");
6934
6935 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6936 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6937 "Rx mbuf allocation errors");
6938
6939 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6940 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6941 "Rx mbuf DMA mapping errors");
6942
6943 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6944 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6945 "Tx queue 0 not empty");
6946
6947 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6948 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6949 "Tx queue 1 not empty");
6950
6951 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6952 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6953 "Tx beacons");
6954
6955 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6956 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6957 "Tx successfull without retries");
6958
6959 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6960 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6961 "Tx successfull with retries");
6962
6963 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6964 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6965 "Tx failed");
6966
6967 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6968 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6969 "Tx underflows");
6970
6971 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6972 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6973 "Tx zero length");
6974
6975 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6976 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6977 "Tx non-aggregated");
6978
6979 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6980 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6981 "Tx aggregated");
6982
6983 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6984 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6985 "Tx A-MPDU");
6986
6987 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6988 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6989 "Tx MPDU with zero density");
6990
6991 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6992 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6993 "Tx A-MPDU sessions");
6994
6995 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6996 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6997 "Rx packets");
6998
6999 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7000 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
7001 "Rx A-MPDU");
7002
7003 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7004 "rx_ampdu_retries", CTLFLAG_RD, &sc->rx_ampdu_retries, 0,
7005 "Rx A-MPDU retries");
7006
7007 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7008 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
7009 "Rx MPDU with zero density");
7010
7011 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7012 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
7013 "Rx A-MSDU");
7014
7015 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7016 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
7017 "Rx CRC errors");
7018
7019 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7020 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
7021 "Rx PHY errors");
7022
7023 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7024 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
7025 "Rx false CCAs");
7026
7027 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7028 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
7029 "Rx PLCP errors");
7030
7031 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7032 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
7033 "Rx duplicate packets");
7034
7035 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7036 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
7037 "Rx FIFO overflows");
7038
7039 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7040 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
7041 "Rx cipher no errors");
7042
7043 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7044 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
7045 "Rx cipher ICV errors");
7046
7047 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7048 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
7049 "Rx cipher MIC errors");
7050
7051 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
7052 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
7053 "Rx cipher invalid key errors");
7054 }
7055
7056 static device_method_t rt2860_dev_methods[] =
7057 {
7058 DEVMETHOD(device_probe, rt2860_probe),
7059 DEVMETHOD(device_attach, rt2860_attach),
7060 DEVMETHOD(device_detach, rt2860_detach),
7061 DEVMETHOD(device_shutdown, rt2860_shutdown),
7062 DEVMETHOD(device_suspend, rt2860_suspend),
7063 DEVMETHOD(device_resume, rt2860_resume),
7064 { 0, 0 }
7065 };
7066
7067 static driver_t rt2860_driver =
7068 {
7069 "rt2860",
7070 rt2860_dev_methods,
7071 sizeof(struct rt2860_softc)
7072 };
7073
7074 static devclass_t rt2860_dev_class;
7075
7076 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
7077
7078 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
7079 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860