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Changed debugging message in ic_addba_response hook; Improved BA window size assignment
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blobae255bccb9c96f888052b5c6c916bba43a37797f
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 void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
183
184 static void rt2860_periodic(void *arg);
185
186 static void rt2860_tx_watchdog(void *arg);
187
188 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid);
189
190 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid);
191
192 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
193 const uint8_t *bssid);
194
195 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
196 const uint8_t *addr);
197
198 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
199
200 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
201
202 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
203
204 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
205
206 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
207
208 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
209
210 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
211
212 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
213
214 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
215
216 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
217
218 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
219
220 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
221 struct ieee80211vap *vap);
222
223 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
224
225 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
226 struct ieee80211vap *vap);
227
228 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
229
230 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
231 const struct rt2860_rxwi *rxwi);
232
233 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
234 uint8_t rssi, uint8_t rxpath);
235
236 static uint8_t rt2860_rate2mcs(uint8_t rate);
237
238 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
239 struct mbuf *m, struct ieee80211_node *ni, int qid);
240
241 static int rt2860_tx_data(struct rt2860_softc *sc,
242 struct mbuf *m, struct ieee80211_node *ni, int qid);
243
244 static int rt2860_tx_raw(struct rt2860_softc *sc,
245 struct mbuf *m, struct ieee80211_node *ni,
246 const struct ieee80211_bpf_params *params);
247
248 static void rt2860_intr(void *arg);
249
250 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
251
252 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
253
254 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
255
256 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
257
258 static void rt2860_rx_intr(struct rt2860_softc *sc);
259
260 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
261
262 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
263
264 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
265
266 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
267
268 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
269
270 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
271
272 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
273
274 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
275
276 static void rt2860_rx_done_task(void *context, int pending);
277
278 static void rt2860_tx_done_task(void *context, int pending);
279
280 static void rt2860_fifo_sta_full_task(void *context, int pending);
281
282 static void rt2860_periodic_task(void *context, int pending);
283
284 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
285
286 static void rt2860_tx_eof(struct rt2860_softc *sc,
287 struct rt2860_softc_tx_ring *ring);
288
289 static void rt2860_update_stats(struct rt2860_softc *sc);
290
291 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
292
293 static void rt2860_watchdog(struct rt2860_softc *sc);
294
295 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
296
297 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
298
299 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
300
301 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
302
303 static int rt2860_txrx_enable(struct rt2860_softc *sc);
304
305 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
306 struct rt2860_softc_rx_ring *ring);
307
308 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
309 struct rt2860_softc_rx_ring *ring);
310
311 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
312 struct rt2860_softc_rx_ring *ring);
313
314 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
315 struct rt2860_softc_tx_ring *ring, int qid);
316
317 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
318 struct rt2860_softc_tx_ring *ring);
319
320 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
321 struct rt2860_softc_tx_ring *ring);
322
323 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
324 int nseg, int error);
325
326 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
327
328 /*
329 * Static variables
330 */
331
332 static const struct rt2860_pci_ident rt2860_pci_ids[] =
333 {
334 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
335 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
336 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
337 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
338 { 0, 0, NULL }
339 };
340
341 static const struct
342 {
343 uint32_t reg;
344 uint32_t val;
345 } rt2860_def_mac[] =
346 {
347 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
348 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
349 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
350 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
351 { RT2860_REG_SYS_CTRL, 0x00000000 },
352 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
353 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
354 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
355 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
356 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
357 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
358 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
359 { RT2860_REG_LED_CFG, 0x7f031e46 },
360 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
361 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
362 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
363 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
364 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
365 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
366 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
367 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
368 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
369 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
370 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
371 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
372 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
373 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
374 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
375 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
376 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
377 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
378 };
379
380 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
381
382 static const struct
383 {
384 uint8_t reg;
385 uint8_t val;
386 } rt2860_def_bbp[] =
387 {
388 { 65, 0x2c },
389 { 66, 0x38 },
390 { 69, 0x12 },
391 { 70, 0x0a },
392 { 73, 0x10 },
393 { 81, 0x37 },
394 { 82, 0x62 },
395 { 83, 0x6a },
396 { 84, 0x99 },
397 { 86, 0x00 },
398 { 91, 0x04 },
399 { 92, 0x00 },
400 { 103, 0x00 },
401 { 105, 0x05 },
402 { 106, 0x35 },
403 };
404
405 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
406
407 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
408
409 static int rt2860_tx_stbc = 1;
410 SYSCTL_INT(_hw_rt2860, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2860_tx_stbc, 0, "rt2860 Tx STBC");
411 TUNABLE_INT("hw.rt2860.tx_stbc", &rt2860_tx_stbc);
412
413 #ifdef RT2860_DEBUG
414 static int rt2860_debug = 0;
415 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
416 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
417 #endif
418
419 /*
420 * rt2860_probe
421 */
422 static int rt2860_probe(device_t dev)
423 {
424 const struct rt2860_pci_ident *ident;
425
426 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
427 {
428 if (pci_get_vendor(dev) == ident->vendor &&
429 pci_get_device(dev) == ident->device)
430 {
431 device_set_desc(dev, ident->name);
432 return 0;
433 }
434 }
435
436 return ENXIO;
437 }
438
439 /*
440 * rt2860_attach
441 */
442 static int rt2860_attach(device_t dev)
443 {
444 struct rt2860_softc *sc;
445 struct ifnet *ifp;
446 struct ieee80211com *ic;
447 int error, ntries, i;
448
449 sc = device_get_softc(dev);
450
451 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
452 {
453 printf("%s: chip is in D%d power mode, setting to D0\n",
454 device_get_nameunit(dev), pci_get_powerstate(dev));
455 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
456 }
457
458 /* enable bus-mastering */
459
460 pci_enable_busmaster(dev);
461
462 sc->dev = dev;
463
464 mtx_init(&sc->lock, device_get_nameunit(dev),
465 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
466
467 sc->mem_rid = PCIR_BAR(0);
468 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
469 &sc->mem_rid, RF_ACTIVE);
470 if (sc->mem == NULL)
471 {
472 printf("%s: could not allocate memory resource\n",
473 device_get_nameunit(dev));
474 error = ENXIO;
475 goto fail;
476 }
477
478 sc->bst = rman_get_bustag(sc->mem);
479 sc->bsh = rman_get_bushandle(sc->mem);
480
481 sc->irq_rid = 0;
482 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
483 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
484 if (sc->irq == NULL)
485 {
486 printf("%s: could not allocate interrupt resource\n",
487 device_get_nameunit(dev));
488 error = ENXIO;
489 goto fail;
490 }
491
492 sc->tx_stbc = rt2860_tx_stbc;
493
494 #ifdef RT2860_DEBUG
495 sc->debug = rt2860_debug;
496
497 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
498 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
499 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
500 #endif
501
502 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
503 "%s: attaching\n",
504 device_get_nameunit(sc->dev));
505
506 /* wait for NIC to initialize */
507
508 for (ntries = 0; ntries < 100; ntries++)
509 {
510 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
511 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
512 break;
513
514 DELAY(10);
515 }
516
517 if (ntries == 100)
518 {
519 printf("%s: timeout waiting for NIC to initialize\n",
520 device_get_nameunit(dev));
521 error = EIO;
522 goto fail;
523 }
524
525 rt2860_read_eeprom(sc);
526
527 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
528 device_get_nameunit(sc->dev), sc->mac_rev,
529 rt2860_rf_name(sc->rf_rev));
530
531 /* clear key tables */
532
533 rt2860_asic_clear_keytables(sc);
534
535 /* allocate Tx and Rx rings */
536
537 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
538 {
539 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
540 if (error != 0)
541 {
542 printf("%s: could not allocate Tx ring #%d\n",
543 device_get_nameunit(sc->dev), i);
544 goto fail;
545 }
546 }
547
548 sc->tx_ring_mgtqid = 5;
549
550 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
551 if (error != 0)
552 {
553 printf("%s: could not allocate Rx ring\n",
554 device_get_nameunit(sc->dev));
555 goto fail;
556 }
557
558 callout_init(&sc->periodic_ch, 0);
559 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
560
561 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
562 if (ifp == NULL)
563 {
564 printf("%s: could not if_alloc()\n",
565 device_get_nameunit(sc->dev));
566 error = ENOMEM;
567 goto fail;
568 }
569
570 ifp->if_softc = sc;
571
572 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
573
574 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
575
576 ifp->if_init = rt2860_init;
577 ifp->if_ioctl = rt2860_ioctl;
578 ifp->if_start = rt2860_start;
579
580 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
581 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
582 IFQ_SET_READY(&ifp->if_snd);
583
584 ic = ifp->if_l2com;
585
586 ic->ic_ifp = ifp;
587
588 ic->ic_phytype = IEEE80211_T_HT;
589 ic->ic_opmode = IEEE80211_M_STA;
590
591 ic->ic_caps = IEEE80211_C_MONITOR |
592 IEEE80211_C_IBSS |
593 IEEE80211_C_STA |
594 IEEE80211_C_AHDEMO |
595 IEEE80211_C_HOSTAP |
596 IEEE80211_C_WDS |
597 IEEE80211_C_MBSS |
598 IEEE80211_C_BGSCAN |
599 IEEE80211_C_TXPMGT |
600 IEEE80211_C_SHPREAMBLE |
601 IEEE80211_C_SHSLOT |
602 IEEE80211_C_TXFRAG |
603 IEEE80211_C_BURST |
604 IEEE80211_C_WME |
605 IEEE80211_C_WPA;
606
607 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
608 IEEE80211_CRYPTO_TKIP |
609 IEEE80211_CRYPTO_TKIPMIC |
610 IEEE80211_CRYPTO_AES_CCM;
611
612 ic->ic_htcaps = IEEE80211_HTC_HT |
613 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
614 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
615 IEEE80211_HTC_SMPS | /* MIMO power save */
616 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
617 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
618 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
619 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
620 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
621 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
622
623 /* spatial streams */
624
625 if (sc->nrxpath == 2)
626 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
627 else if (sc->nrxpath == 3)
628 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
629 else
630 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
631
632 if (sc->ntxpath > 1)
633 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
634
635 /* delayed BA */
636
637 if (sc->mac_rev != 0x28600100)
638 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
639
640 /* init channels */
641
642 ic->ic_nchans = 0;
643
644 rt2860_init_channels(sc);
645
646 rt2860_init_channels_ht40(sc);
647
648 ieee80211_ifattach(ic, sc->mac_addr);
649
650 ic->ic_vap_create = rt2860_vap_create;
651 ic->ic_vap_delete = rt2860_vap_delete;
652
653 ic->ic_node_alloc = rt2860_node_alloc;
654
655 sc->node_cleanup = ic->ic_node_cleanup;
656 ic->ic_node_cleanup = rt2860_node_cleanup;
657
658 ic->ic_node_getmimoinfo = rt2860_node_getmimoinfo;
659 ic->ic_setregdomain = rt2860_setregdomain;
660 ic->ic_getradiocaps = rt2860_getradiocaps;
661 ic->ic_scan_start = rt2860_scan_start;
662 ic->ic_scan_end = rt2860_scan_end;
663 ic->ic_set_channel = rt2860_set_channel;
664 ic->ic_newassoc = rt2860_newassoc;
665 ic->ic_updateslot = rt2860_updateslot;
666 ic->ic_update_promisc = rt2860_update_promisc;
667 ic->ic_update_mcast = rt2860_update_mcast;
668 ic->ic_wme.wme_update = rt2860_wme_update;
669 ic->ic_raw_xmit = rt2860_raw_xmit;
670
671 sc->recv_action = ic->ic_recv_action;
672 ic->ic_recv_action = rt2860_recv_action;
673
674 sc->send_action = ic->ic_send_action;
675 ic->ic_send_action = rt2860_send_action;
676
677 sc->addba_response = ic->ic_addba_response;
678 ic->ic_addba_response = rt2860_addba_response;
679
680 sc->addba_stop = ic->ic_addba_stop;
681 ic->ic_addba_stop = rt2860_addba_stop;
682
683 /* hardware requires padding between 802.11 frame header and body */
684
685 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
686
687 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
688
689 ieee80211_radiotap_attach(ic,
690 &sc->txtap.ihdr, sizeof(sc->txtap),
691 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
692 &sc->rxtap.ihdr, sizeof(sc->rxtap),
693 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
694
695 /* init task queue */
696
697 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
698 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
699 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
700 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
701
702 sc->rx_process_limit = 100;
703
704 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
705 taskqueue_thread_enqueue, &sc->taskqueue);
706
707 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
708 device_get_nameunit(sc->dev));
709
710 rt2860_sysctl_attach(sc);
711
712 if (bootverbose)
713 ieee80211_announce(ic);
714
715 /* set up interrupt */
716
717 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
718 NULL, rt2860_intr, sc, &sc->irqh);
719 if (error != 0)
720 {
721 printf("%s: could not set up interrupt\n",
722 device_get_nameunit(dev));
723 goto fail;
724 }
725
726 return 0;
727
728 fail:
729
730 /* free Tx and Rx rings */
731
732 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
733 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
734
735 rt2860_free_rx_ring(sc, &sc->rx_ring);
736
737 mtx_destroy(&sc->lock);
738
739 if (sc->mem != NULL)
740 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
741
742 if (sc->irq != NULL)
743 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
744
745 return error;
746 }
747
748 /*
749 * rt2860_detach
750 */
751 static int rt2860_detach(device_t dev)
752 {
753 struct rt2860_softc *sc;
754 struct ifnet *ifp;
755 struct ieee80211com *ic;
756 int i;
757
758 sc = device_get_softc(dev);
759 ifp = sc->ifp;
760 ic = ifp->if_l2com;
761
762 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
763 "%s: detaching\n",
764 device_get_nameunit(sc->dev));
765
766 RT2860_SOFTC_LOCK(sc);
767
768 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
769
770 callout_stop(&sc->periodic_ch);
771 callout_stop(&sc->tx_watchdog_ch);
772
773 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
774 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
775 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
776 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
777
778 /* free Tx and Rx rings */
779
780 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
781 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
782
783 rt2860_free_rx_ring(sc, &sc->rx_ring);
784
785 RT2860_SOFTC_UNLOCK(sc);
786
787 ieee80211_ifdetach(ic);
788
789 if_free(ifp);
790
791 taskqueue_free(sc->taskqueue);
792
793 mtx_destroy(&sc->lock);
794
795 bus_generic_detach(dev);
796
797 bus_teardown_intr(dev, sc->irq, sc->irqh);
798
799 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
800
801 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
802
803 return 0;
804 }
805
806 /*
807 * rt2860_shutdown
808 */
809 static int rt2860_shutdown(device_t dev)
810 {
811 struct rt2860_softc *sc;
812
813 sc = device_get_softc(dev);
814
815 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
816 "%s: shutting down\n",
817 device_get_nameunit(sc->dev));
818
819 rt2860_stop(sc);
820
821 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
822
823 return 0;
824 }
825
826 /*
827 * rt2860_suspend
828 */
829 static int rt2860_suspend(device_t dev)
830 {
831 struct rt2860_softc *sc;
832
833 sc = device_get_softc(dev);
834
835 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
836 "%s: suspending\n",
837 device_get_nameunit(sc->dev));
838
839 rt2860_stop(sc);
840
841 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
842
843 return 0;
844 }
845
846 /*
847 * rt2860_resume
848 */
849 static int rt2860_resume(device_t dev)
850 {
851 struct rt2860_softc *sc;
852 struct ifnet *ifp;
853
854 sc = device_get_softc(dev);
855 ifp = sc->ifp;
856
857 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
858 "%s: resuming\n",
859 device_get_nameunit(sc->dev));
860
861 if (ifp->if_flags & IFF_UP)
862 rt2860_init(sc);
863
864 return 0;
865 }
866
867 /*
868 * rt2860_init_channels
869 */
870 static void rt2860_init_channels(struct rt2860_softc *sc)
871 {
872 struct ifnet *ifp;
873 struct ieee80211com *ic;
874 struct ieee80211_channel *c;
875 int i, flags;
876
877 ifp = sc->ifp;
878 ic = ifp->if_l2com;
879
880 /* set supported channels for 2GHz band */
881
882 for (i = 1; i <= 14; i++)
883 {
884 c = &ic->ic_channels[ic->ic_nchans++];
885 flags = IEEE80211_CHAN_B;
886
887 c->ic_freq = ieee80211_ieee2mhz(i, flags);
888 c->ic_ieee = i;
889 c->ic_flags = flags;
890
891 c = &ic->ic_channels[ic->ic_nchans++];
892 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
893
894 c->ic_freq = ieee80211_ieee2mhz(i, flags);
895 c->ic_ieee = i;
896 c->ic_flags = flags;
897
898 c = &ic->ic_channels[ic->ic_nchans++];
899 flags = IEEE80211_CHAN_G;
900
901 c->ic_freq = ieee80211_ieee2mhz(i, flags);
902 c->ic_ieee = i;
903 c->ic_flags = flags;
904
905 c = &ic->ic_channels[ic->ic_nchans++];
906 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
907
908 c->ic_freq = ieee80211_ieee2mhz(i, flags);
909 c->ic_ieee = i;
910 c->ic_flags = flags;
911 }
912
913 /* set supported channels for 5GHz band */
914
915 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
916 sc->rf_rev == RT2860_EEPROM_RF_2750)
917 {
918 for (i = 36; i <= 64; i += 4)
919 {
920 c = &ic->ic_channels[ic->ic_nchans++];
921 flags = IEEE80211_CHAN_A;
922
923 c->ic_freq = ieee80211_ieee2mhz(i, flags);
924 c->ic_ieee = i;
925 c->ic_flags = flags;
926
927 c = &ic->ic_channels[ic->ic_nchans++];
928 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
929
930 c->ic_freq = ieee80211_ieee2mhz(i, flags);
931 c->ic_ieee = i;
932 c->ic_flags = flags;
933 }
934
935 for (i = 100; i <= 140; i += 4)
936 {
937 c = &ic->ic_channels[ic->ic_nchans++];
938 flags = IEEE80211_CHAN_A;
939
940 c->ic_freq = ieee80211_ieee2mhz(i, flags);
941 c->ic_ieee = i;
942 c->ic_flags = flags;
943
944 c = &ic->ic_channels[ic->ic_nchans++];
945 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
946
947 c->ic_freq = ieee80211_ieee2mhz(i, flags);
948 c->ic_ieee = i;
949 c->ic_flags = flags;
950 }
951
952 for (i = 149; i <= 165; i += 4)
953 {
954 c = &ic->ic_channels[ic->ic_nchans++];
955 flags = IEEE80211_CHAN_A;
956
957 c->ic_freq = ieee80211_ieee2mhz(i, flags);
958 c->ic_ieee = i;
959 c->ic_flags = flags;
960
961 c = &ic->ic_channels[ic->ic_nchans++];
962 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
963
964 c->ic_freq = ieee80211_ieee2mhz(i, flags);
965 c->ic_ieee = i;
966 c->ic_flags = flags;
967 }
968 }
969 }
970
971 /*
972 * rt2860_init_channels_ht40
973 */
974 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
975 {
976 struct ifnet *ifp;
977 struct ieee80211com *ic;
978 struct ieee80211_channel *c, *cent, *ext;
979 int i, flags;
980
981 ifp = sc->ifp;
982 ic = ifp->if_l2com;
983
984 /* set supported channels for 2GHz band */
985
986 for (i = 1; i <= 14; i++)
987 {
988 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
989
990 /* find the center channel */
991
992 cent = ieee80211_find_channel_byieee(ic, i,
993 flags & ~IEEE80211_CHAN_HT);
994 if (cent == NULL)
995 {
996 printf("%s: skip channel %d, could not find center channel\n",
997 device_get_nameunit(sc->dev), i);
998 continue;
999 }
1000
1001 /* find the extension channel */
1002
1003 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1004 flags & ~IEEE80211_CHAN_HT);
1005 if (ext == NULL)
1006 {
1007 printf("%s: skip channel %d, could not find extension channel\n",
1008 device_get_nameunit(sc->dev), i);
1009 continue;
1010 }
1011
1012 c = &ic->ic_channels[ic->ic_nchans++];
1013
1014 *c = *cent;
1015 c->ic_extieee = ext->ic_ieee;
1016 c->ic_flags &= ~IEEE80211_CHAN_HT;
1017 c->ic_flags |= IEEE80211_CHAN_HT40U;
1018
1019 c = &ic->ic_channels[ic->ic_nchans++];
1020
1021 *c = *ext;
1022 c->ic_extieee = cent->ic_ieee;
1023 c->ic_flags &= ~IEEE80211_CHAN_HT;
1024 c->ic_flags |= IEEE80211_CHAN_HT40D;
1025 }
1026
1027 /* set supported channels for 5GHz band */
1028
1029 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
1030 sc->rf_rev == RT2860_EEPROM_RF_2750)
1031 {
1032 for (i = 36; i <= 64; i += 4)
1033 {
1034 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1035
1036 /* find the center channel */
1037
1038 cent = ieee80211_find_channel_byieee(ic, i,
1039 flags & ~IEEE80211_CHAN_HT);
1040 if (cent == NULL)
1041 {
1042 printf("%s: skip channel %d, could not find center channel\n",
1043 device_get_nameunit(sc->dev), i);
1044 continue;
1045 }
1046
1047 /* find the extension channel */
1048
1049 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1050 flags & ~IEEE80211_CHAN_HT);
1051 if (ext == NULL)
1052 {
1053 printf("%s: skip channel %d, could not find extension channel\n",
1054 device_get_nameunit(sc->dev), i);
1055 continue;
1056 }
1057
1058 c = &ic->ic_channels[ic->ic_nchans++];
1059
1060 *c = *cent;
1061 c->ic_extieee = ext->ic_ieee;
1062 c->ic_flags &= ~IEEE80211_CHAN_HT;
1063 c->ic_flags |= IEEE80211_CHAN_HT40U;
1064
1065 c = &ic->ic_channels[ic->ic_nchans++];
1066
1067 *c = *ext;
1068 c->ic_extieee = cent->ic_ieee;
1069 c->ic_flags &= ~IEEE80211_CHAN_HT;
1070 c->ic_flags |= IEEE80211_CHAN_HT40D;
1071 }
1072
1073 for (i = 100; i <= 140; i += 4)
1074 {
1075 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1076
1077 /* find the center channel */
1078
1079 cent = ieee80211_find_channel_byieee(ic, i,
1080 flags & ~IEEE80211_CHAN_HT);
1081 if (cent == NULL)
1082 {
1083 printf("%s: skip channel %d, could not find center channel\n",
1084 device_get_nameunit(sc->dev), i);
1085 continue;
1086 }
1087
1088 /* find the extension channel */
1089
1090 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1091 flags & ~IEEE80211_CHAN_HT);
1092 if (ext == NULL)
1093 {
1094 printf("%s: skip channel %d, could not find extension channel\n",
1095 device_get_nameunit(sc->dev), i);
1096 continue;
1097 }
1098
1099 c = &ic->ic_channels[ic->ic_nchans++];
1100
1101 *c = *cent;
1102 c->ic_extieee = ext->ic_ieee;
1103 c->ic_flags &= ~IEEE80211_CHAN_HT;
1104 c->ic_flags |= IEEE80211_CHAN_HT40U;
1105
1106 c = &ic->ic_channels[ic->ic_nchans++];
1107
1108 *c = *ext;
1109 c->ic_extieee = cent->ic_ieee;
1110 c->ic_flags &= ~IEEE80211_CHAN_HT;
1111 c->ic_flags |= IEEE80211_CHAN_HT40D;
1112 }
1113
1114 for (i = 149; i <= 165; i += 4)
1115 {
1116 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1117
1118 /* find the center channel */
1119
1120 cent = ieee80211_find_channel_byieee(ic, i,
1121 flags & ~IEEE80211_CHAN_HT);
1122 if (cent == NULL)
1123 {
1124 printf("%s: skip channel %d, could not find center channel\n",
1125 device_get_nameunit(sc->dev), i);
1126 continue;
1127 }
1128
1129 /* find the extension channel */
1130
1131 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1132 flags & ~IEEE80211_CHAN_HT);
1133 if (ext == NULL)
1134 {
1135 printf("%s: skip channel %d, could not find extension channel\n",
1136 device_get_nameunit(sc->dev), i);
1137 continue;
1138 }
1139
1140 c = &ic->ic_channels[ic->ic_nchans++];
1141
1142 *c = *cent;
1143 c->ic_extieee = ext->ic_ieee;
1144 c->ic_flags &= ~IEEE80211_CHAN_HT;
1145 c->ic_flags |= IEEE80211_CHAN_HT40U;
1146
1147 c = &ic->ic_channels[ic->ic_nchans++];
1148
1149 *c = *ext;
1150 c->ic_extieee = cent->ic_ieee;
1151 c->ic_flags &= ~IEEE80211_CHAN_HT;
1152 c->ic_flags |= IEEE80211_CHAN_HT40D;
1153 }
1154 }
1155 }
1156
1157 /*
1158 * rt2860_init_locked
1159 */
1160 static void rt2860_init_locked(void *priv)
1161 {
1162 struct rt2860_softc *sc;
1163 struct ifnet *ifp;
1164 struct ieee80211com *ic;
1165 int error, i, ntries;
1166 uint32_t tmp, stacnt[6];
1167
1168 sc = priv;
1169 ifp = sc->ifp;
1170 ic = ifp->if_l2com;
1171
1172 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1173 "%s: initializing\n",
1174 device_get_nameunit(sc->dev));
1175
1176 RT2860_SOFTC_ASSERT_LOCKED(sc);
1177
1178 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1179 {
1180 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1181 "%s: loading 8051 microcode\n",
1182 device_get_nameunit(sc->dev));
1183
1184 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1185 if (error != 0)
1186 {
1187 printf("%s: could not load 8051 microcode\n",
1188 device_get_nameunit(sc->dev));
1189 goto fail;
1190 }
1191
1192 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1193 "%s: 8051 microcode was successfully loaded\n",
1194 device_get_nameunit(sc->dev));
1195
1196 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1197 }
1198
1199 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1200
1201 /* disable DMA engine */
1202
1203 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1204
1205 tmp &= 0xff0;
1206 tmp |= RT2860_REG_TX_WB_DDONE;
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1209
1210 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1211
1212 /* PBF hardware reset */
1213
1214 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1215 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1216
1217 /* wait while DMA engine is busy */
1218
1219 for (ntries = 0; ntries < 100; ntries++)
1220 {
1221 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1222 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1223 break;
1224
1225 DELAY(1000);
1226 }
1227
1228 if (ntries == 100)
1229 {
1230 printf("%s: timeout waiting for DMA engine\n",
1231 device_get_nameunit(sc->dev));
1232 goto fail;
1233 }
1234
1235 tmp &= 0xff0;
1236 tmp |= RT2860_REG_TX_WB_DDONE;
1237
1238 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1239
1240 /* reset Rx and Tx rings */
1241
1242 tmp = RT2860_REG_RST_IDX_RX |
1243 RT2860_REG_RST_IDX_TX_MGMT |
1244 RT2860_REG_RST_IDX_TX_HCCA |
1245 RT2860_REG_RST_IDX_TX_AC3 |
1246 RT2860_REG_RST_IDX_TX_AC2 |
1247 RT2860_REG_RST_IDX_TX_AC1 |
1248 RT2860_REG_RST_IDX_TX_AC0;
1249
1250 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1251
1252 /* PBF hardware reset */
1253
1254 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1255 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1256
1257 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1258
1259 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1260 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1261 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1262
1263 /* init Tx power per rate */
1264
1265 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1266 {
1267 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1268 continue;
1269
1270 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1271 sc->txpow_rate_20mhz[i]);
1272 }
1273
1274 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1275 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1276 rt2860_def_mac[i].val);
1277
1278 /* wait while MAC is busy */
1279
1280 for (ntries = 0; ntries < 100; ntries++)
1281 {
1282 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1283 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1284 break;
1285
1286 DELAY(1000);
1287 }
1288
1289 if (ntries == 100)
1290 {
1291 printf("%s: timeout waiting for MAC\n",
1292 device_get_nameunit(sc->dev));
1293 goto fail;
1294 }
1295
1296 /* clear Host to MCU mailbox */
1297
1298 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1299 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1300
1301 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1302 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1303
1304 DELAY(1000);
1305
1306 error = rt2860_init_bbp(sc);
1307 if (error != 0)
1308 goto fail;
1309
1310 /* set up maximum buffer sizes */
1311
1312 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1313
1314 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1315
1316 if (sc->mac_rev == 0x28720200)
1317 {
1318 /* set max. PSDU length from 16K to 32K bytes */
1319
1320 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1321
1322 tmp &= ~(3 << 12);
1323 tmp |= (2 << 12);
1324
1325 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1326 }
1327
1328 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1329 {
1330 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1331
1332 tmp &= 0xfff;
1333 tmp |= 0x2000;
1334
1335 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1336 }
1337
1338 /* set mac address */
1339
1340 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1341
1342 /* clear statistic registers */
1343
1344 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1345 stacnt, sizeof(stacnt));
1346
1347 /* set RTS threshold */
1348
1349 rt2860_asic_update_rtsthreshold(sc);
1350
1351 /* set Tx power */
1352
1353 rt2860_asic_update_txpower(sc);
1354
1355 /* set up protection mode */
1356
1357 sc->tx_ampdu_sessions = 0;
1358
1359 rt2860_asic_updateprot(sc);
1360
1361 /* clear beacon frame space (entries = 8, entry size = 512) */
1362
1363 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1364
1365 taskqueue_unblock(sc->taskqueue);
1366
1367 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1368
1369 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1370 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1371
1372 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1373 {
1374 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1375 sc->tx_ring[i].desc_phys_addr);
1376 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1377 RT2860_SOFTC_TX_RING_DESC_COUNT);
1378 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1379 }
1380
1381 /* init Rx ring */
1382
1383 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1384
1385 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1386 sc->rx_ring.desc_phys_addr);
1387 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1388 RT2860_SOFTC_RX_RING_DATA_COUNT);
1389 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1390 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1391
1392 /* wait while DMA engine is busy */
1393
1394 for (ntries = 0; ntries < 100; ntries++)
1395 {
1396 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1397 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1398 break;
1399
1400 DELAY(1000);
1401 }
1402
1403 if (ntries == 100)
1404 {
1405 printf("%s: timeout waiting for DMA engine\n",
1406 device_get_nameunit(sc->dev));
1407 goto fail;
1408 }
1409
1410 tmp &= 0xff0;
1411 tmp |= RT2860_REG_TX_WB_DDONE;
1412
1413 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1414
1415 /* disable interrupts mitigation */
1416
1417 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1418
1419 /* send LEDs operating mode to microcontroller */
1420
1421 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1422 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1423 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1424 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1425 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1426 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1427
1428 /* turn radio LED on */
1429
1430 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1431
1432 /* write vendor-specific BBP values (from EEPROM) */
1433
1434 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1435 {
1436 if (sc->bbp_eeprom[i].reg == 0x00 ||
1437 sc->bbp_eeprom[i].reg == 0xff)
1438 continue;
1439
1440 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1441 sc->bbp_eeprom[i].val);
1442 }
1443
1444 /*
1445 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1446 if (tmp & (1 << 2))
1447 {
1448 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1449 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1450 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1451
1452 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1453 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1454 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1455 }
1456 */
1457
1458 /* disable non-existing Rx chains */
1459
1460 tmp = rt2860_io_bbp_read(sc, 3);
1461
1462 tmp &= ~((1 << 4) | (1 << 3));
1463
1464 if (sc->nrxpath == 3)
1465 tmp |= (1 << 4);
1466 else if (sc->nrxpath == 2)
1467 tmp |= (1 << 3);
1468
1469 rt2860_io_bbp_write(sc, 3, tmp);
1470
1471 /* disable non-existing Tx chains */
1472
1473 tmp = rt2860_io_bbp_read(sc, 1);
1474
1475 tmp &= ~((1 << 4) | (1 << 3));
1476
1477 if (sc->ntxpath == 2)
1478 tmp |= (1 << 4);
1479
1480 rt2860_io_bbp_write(sc, 1, tmp);
1481
1482 /* set current channel */
1483
1484 rt2860_rf_set_chan(sc, ic->ic_curchan);
1485
1486 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1487 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1488 (48 << 16) | 96);
1489
1490 if ((sc->mac_rev & 0xffff) != 0x0101)
1491 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1492
1493 /* clear pending interrupts */
1494
1495 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1496
1497 /* enable interrupts */
1498
1499 tmp = RT2860_REG_INT_TX_COHERENT |
1500 RT2860_REG_INT_RX_COHERENT |
1501 RT2860_REG_INT_GP_TIMER |
1502 RT2860_REG_INT_AUTO_WAKEUP |
1503 RT2860_REG_INT_FIFO_STA_FULL |
1504 /*
1505 RT2860_REG_INT_PRE_TBTT |
1506 RT2860_REG_INT_TBTT |
1507 */
1508 RT2860_REG_INT_TXRX_COHERENT |
1509 RT2860_REG_INT_MCU_CMD |
1510 RT2860_REG_INT_TX_MGMT_DONE |
1511 RT2860_REG_INT_TX_HCCA_DONE |
1512 RT2860_REG_INT_TX_AC3_DONE |
1513 RT2860_REG_INT_TX_AC2_DONE |
1514 RT2860_REG_INT_TX_AC1_DONE |
1515 RT2860_REG_INT_TX_AC0_DONE |
1516 RT2860_REG_INT_RX_DONE;
1517
1518 sc->intr_enable_mask = tmp;
1519
1520 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1521
1522 if (rt2860_txrx_enable(sc) != 0)
1523 goto fail;
1524
1525 /* clear garbage interrupts */
1526
1527 tmp = rt2860_io_mac_read(sc, 0x1300);
1528
1529 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1530 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1531
1532 sc->periodic_round = 0;
1533
1534 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1535
1536 return;
1537
1538 fail:
1539
1540 rt2860_stop_locked(sc);
1541 }
1542
1543 /*
1544 * rt2860_init
1545 */
1546 static void rt2860_init(void *priv)
1547 {
1548 struct rt2860_softc *sc;
1549
1550 sc = priv;
1551
1552 RT2860_SOFTC_LOCK(sc);
1553
1554 rt2860_init_locked(sc);
1555
1556 RT2860_SOFTC_UNLOCK(sc);
1557 }
1558
1559 /*
1560 * rt2860_init_bbp
1561 */
1562 static int rt2860_init_bbp(struct rt2860_softc *sc)
1563 {
1564 int ntries, i;
1565 uint8_t tmp;
1566
1567 for (ntries = 0; ntries < 20; ntries++)
1568 {
1569 tmp = rt2860_io_bbp_read(sc, 0);
1570 if (tmp != 0x00 && tmp != 0xff)
1571 break;
1572 }
1573
1574 if (tmp == 0x00 || tmp == 0xff)
1575 {
1576 printf("%s: timeout waiting for BBP to wakeup\n",
1577 device_get_nameunit(sc->dev));
1578 return ETIMEDOUT;
1579 }
1580
1581 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1582 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1583 rt2860_def_bbp[i].val);
1584
1585 if ((sc->mac_rev & 0xffff) != 0x0101)
1586 rt2860_io_bbp_write(sc, 84, 0x19);
1587
1588 if (sc->mac_rev == 0x28600100)
1589 {
1590 rt2860_io_bbp_write(sc, 69, 0x16);
1591 rt2860_io_bbp_write(sc, 73, 0x12);
1592 }
1593
1594 return 0;
1595 }
1596
1597 /*
1598 * rt2860_stop_locked
1599 */
1600 static void rt2860_stop_locked(void *priv)
1601 {
1602 struct rt2860_softc *sc;
1603 struct ifnet *ifp;
1604 struct ieee80211com *ic;
1605 uint32_t tmp;
1606
1607 sc = priv;
1608 ifp = sc->ifp;
1609 ic = ifp->if_l2com;
1610
1611 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1612 "%s: stopping\n",
1613 device_get_nameunit(sc->dev));
1614
1615 RT2860_SOFTC_ASSERT_LOCKED(sc);
1616
1617 sc->tx_timer = 0;
1618
1619 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1620 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1621
1622 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1623
1624 callout_stop(&sc->periodic_ch);
1625 callout_stop(&sc->tx_watchdog_ch);
1626
1627 RT2860_SOFTC_UNLOCK(sc);
1628
1629 taskqueue_block(sc->taskqueue);
1630
1631 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1632 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1633 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1634 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1635
1636 RT2860_SOFTC_LOCK(sc);
1637
1638 /* clear key tables */
1639
1640 rt2860_asic_clear_keytables(sc);
1641
1642 /* disable interrupts */
1643
1644 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1645
1646 /* disable Tx/Rx */
1647
1648 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1649
1650 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1651
1652 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1653
1654 /* reset adapter */
1655
1656 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1657 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1658 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1659 }
1660
1661 /*
1662 * rt2860_stop
1663 */
1664 static void rt2860_stop(void *priv)
1665 {
1666 struct rt2860_softc *sc;
1667
1668 sc = priv;
1669
1670 RT2860_SOFTC_LOCK(sc);
1671
1672 rt2860_stop_locked(sc);
1673
1674 RT2860_SOFTC_UNLOCK(sc);
1675 }
1676
1677 /*
1678 * rt2860_start
1679 */
1680 static void rt2860_start(struct ifnet *ifp)
1681 {
1682 struct rt2860_softc *sc;
1683 struct ieee80211_node *ni;
1684 struct mbuf *m;
1685 int qid;
1686
1687 sc = ifp->if_softc;
1688
1689 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1690 return;
1691
1692 for (;;)
1693 {
1694 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1695 if (m == NULL)
1696 break;
1697
1698 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1699
1700 m->m_pkthdr.rcvif = NULL;
1701
1702 qid = M_WME_GETAC(m);
1703
1704 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[qid]);
1705
1706 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1707 {
1708 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1709
1710 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1711 "%s: if_start: Tx ring with qid=%d is full\n",
1712 device_get_nameunit(sc->dev), qid);
1713
1714 m_freem(m);
1715 ieee80211_free_node(ni);
1716
1717 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1718 ifp->if_oerrors++;
1719
1720 sc->tx_data_queue_full[qid]++;
1721
1722 break;
1723 }
1724
1725 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1726 {
1727 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1728
1729 ieee80211_free_node(ni);
1730
1731 ifp->if_oerrors++;
1732
1733 break;
1734 }
1735
1736 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1737
1738 rt2860_drain_fifo_stats(sc);
1739
1740 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1741
1742 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1743 }
1744 }
1745
1746 /*
1747 * rt2860_ioctl
1748 */
1749 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1750 {
1751 struct rt2860_softc *sc;
1752 struct ieee80211com *ic;
1753 struct ifreq *ifr;
1754 int error, startall;
1755
1756 sc = ifp->if_softc;
1757 ic = ifp->if_l2com;
1758 ifr = (struct ifreq *) data;
1759
1760 error = 0;
1761
1762 switch (cmd)
1763 {
1764 case SIOCSIFFLAGS:
1765 startall = 0;
1766
1767 RT2860_SOFTC_LOCK(sc);
1768
1769 if (ifp->if_flags & IFF_UP)
1770 {
1771 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1772 {
1773 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1774 rt2860_asic_update_promisc(sc);
1775 }
1776 else
1777 {
1778 rt2860_init_locked(sc);
1779 startall = 1;
1780 }
1781 }
1782 else
1783 {
1784 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1785 rt2860_stop_locked(sc);
1786 }
1787
1788 sc->if_flags = ifp->if_flags;
1789
1790 RT2860_SOFTC_UNLOCK(sc);
1791
1792 if (startall)
1793 ieee80211_start_all(ic);
1794 break;
1795
1796 case SIOCGIFMEDIA:
1797 case SIOCSIFMEDIA:
1798 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1799 break;
1800
1801 case SIOCGIFADDR:
1802 error = ether_ioctl(ifp, cmd, data);
1803 break;
1804
1805 default:
1806 error = EINVAL;
1807 break;
1808 }
1809
1810 return error;
1811 }
1812
1813 /*
1814 * rt2860_vap_create
1815 */
1816 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1817 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1818 const uint8_t bssid[IEEE80211_ADDR_LEN],
1819 const uint8_t mac[IEEE80211_ADDR_LEN])
1820 {
1821 struct rt2860_softc *sc;
1822 struct ifnet *ifp;
1823 struct rt2860_softc_vap *rvap;
1824 struct ieee80211vap *vap;
1825
1826 ifp = ic->ic_ifp;
1827 sc = ifp->if_softc;
1828
1829 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1830 "%s: VAP create: opmode=%s\n",
1831 device_get_nameunit(sc->dev),
1832 ieee80211_opmode_name[opmode]);
1833
1834 switch (opmode)
1835 {
1836 case IEEE80211_M_IBSS:
1837 case IEEE80211_M_STA:
1838 case IEEE80211_M_AHDEMO:
1839 case IEEE80211_M_HOSTAP:
1840 case IEEE80211_M_MBSS:
1841 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1842 {
1843 if_printf(ifp, "only 1 VAP supported\n");
1844 return NULL;
1845 }
1846
1847 if (opmode == IEEE80211_M_STA)
1848 flags |= IEEE80211_CLONE_NOBEACONS;
1849 break;
1850
1851 case IEEE80211_M_WDS:
1852 if (sc->napvaps == 0)
1853 {
1854 if_printf(ifp, "WDS only supported in AP mode\n");
1855 return NULL;
1856 }
1857 break;
1858
1859 case IEEE80211_M_MONITOR:
1860 break;
1861
1862 default:
1863 if_printf(ifp, "unknown opmode %d\n", opmode);
1864 return NULL;
1865 }
1866
1867 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1868 M_80211_VAP, M_NOWAIT | M_ZERO);
1869 if (rvap == NULL)
1870 return NULL;
1871
1872 vap = &rvap->vap;
1873
1874 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1875
1876 rvap->newstate = vap->iv_newstate;
1877 vap->iv_newstate = rt2860_vap_newstate;
1878
1879 vap->iv_reset = rt2860_vap_reset;
1880 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1881 vap->iv_key_update_end = rt2860_vap_key_update_end;
1882 vap->iv_key_set = rt2860_vap_key_set;
1883 vap->iv_key_delete = rt2860_vap_key_delete;
1884 vap->iv_update_beacon = rt2860_vap_update_beacon;
1885
1886 rt2860_amrr_init(&rvap->amrr, vap,
1887 sc->ntxpath,
1888 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1889 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1890 500);
1891
1892 vap->iv_max_aid = RT2860_SOFTC_STAID_COUNT;
1893
1894 /* override default Rx A-MPDU factor */
1895
1896 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1897 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1898 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1899
1900 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1901
1902 switch (vap->iv_opmode)
1903 {
1904 case IEEE80211_M_HOSTAP:
1905 case IEEE80211_M_MBSS:
1906 case IEEE80211_M_AHDEMO:
1907 sc->napvaps++;
1908 break;
1909
1910 case IEEE80211_M_IBSS:
1911 sc->nadhocvaps++;
1912 break;
1913
1914 case IEEE80211_M_STA:
1915 sc->nstavaps++;
1916 break;
1917
1918 case IEEE80211_M_WDS:
1919 sc->nwdsvaps++;
1920 break;
1921
1922 default:
1923 break;
1924 }
1925
1926 sc->nvaps++;
1927
1928 if (sc->napvaps > 0)
1929 ic->ic_opmode = IEEE80211_M_HOSTAP;
1930 else if (sc->nadhocvaps > 0)
1931 ic->ic_opmode = IEEE80211_M_IBSS;
1932 else if (sc->nstavaps > 0)
1933 ic->ic_opmode = IEEE80211_M_STA;
1934 else
1935 ic->ic_opmode = opmode;
1936
1937 return vap;
1938 }
1939
1940 /*
1941 * rt2860_vap_delete
1942 */
1943 static void rt2860_vap_delete(struct ieee80211vap *vap)
1944 {
1945 struct rt2860_softc *sc;
1946 struct ieee80211com *ic;
1947 struct ifnet *ifp;
1948 struct rt2860_softc_vap *rvap;
1949 enum ieee80211_opmode opmode;
1950
1951 ic = vap->iv_ic;
1952 ifp = ic->ic_ifp;
1953 sc = ifp->if_softc;
1954 rvap = (struct rt2860_softc_vap *) vap;
1955 opmode = vap->iv_opmode;
1956
1957 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1958 "%s: VAP delete: opmode=%s\n",
1959 device_get_nameunit(sc->dev), ieee80211_opmode_name[opmode]);
1960
1961 rt2860_amrr_cleanup(&rvap->amrr);
1962
1963 ieee80211_vap_detach(vap);
1964
1965 if (rvap->beacon_mbuf != NULL)
1966 {
1967 m_free(rvap->beacon_mbuf);
1968 rvap->beacon_mbuf = NULL;
1969 }
1970
1971 switch (opmode)
1972 {
1973 case IEEE80211_M_HOSTAP:
1974 case IEEE80211_M_MBSS:
1975 case IEEE80211_M_AHDEMO:
1976 sc->napvaps--;
1977 break;
1978
1979 case IEEE80211_M_IBSS:
1980 sc->nadhocvaps--;
1981 break;
1982
1983 case IEEE80211_M_STA:
1984 sc->nstavaps--;
1985 break;
1986
1987 case IEEE80211_M_WDS:
1988 sc->nwdsvaps--;
1989 break;
1990
1991 default:
1992 break;
1993 }
1994
1995 sc->nvaps--;
1996
1997 if (sc->napvaps > 0)
1998 ic->ic_opmode = IEEE80211_M_HOSTAP;
1999 else if (sc->nadhocvaps > 0)
2000 ic->ic_opmode = IEEE80211_M_IBSS;
2001 else if (sc->nstavaps > 0)
2002 ic->ic_opmode = IEEE80211_M_STA;
2003
2004 free(rvap, M_80211_VAP);
2005 }
2006
2007 /*
2008 * rt2860_reset_vap
2009 */
2010 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
2011 {
2012 struct rt2860_softc *sc;
2013 struct ieee80211com *ic;
2014 struct ifnet *ifp;
2015 struct rt2860_softc_vap *rvap;
2016 int error;
2017
2018 ic = vap->iv_ic;
2019 ifp = ic->ic_ifp;
2020 sc = ifp->if_softc;
2021 rvap = (struct rt2860_softc_vap *) vap;
2022
2023 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2024 "%s: VAP reset: cmd=%lu\n",
2025 device_get_nameunit(sc->dev), cmd);
2026
2027 error = 0;
2028
2029 switch (cmd)
2030 {
2031 case IEEE80211_IOC_RTSTHRESHOLD:
2032 case IEEE80211_IOC_AMSDU:
2033 rt2860_asic_update_rtsthreshold(sc);
2034 break;
2035
2036 case IEEE80211_IOC_PROTMODE:
2037 case IEEE80211_IOC_HTPROTMODE:
2038 rt2860_asic_updateprot(sc);
2039 break;
2040
2041 case IEEE80211_IOC_TXPOWER:
2042 rt2860_asic_update_txpower(sc);
2043 break;
2044
2045 case IEEE80211_IOC_BURST:
2046 rt2860_asic_updateslot(sc);
2047 break;
2048
2049 case IEEE80211_IOC_SHORTGI:
2050 case IEEE80211_IOC_AMPDU_DENSITY:
2051 case IEEE80211_IOC_SMPS:
2052 break;
2053
2054 default:
2055 error = ENETRESET;
2056 break;
2057 }
2058
2059 return error;
2060 }
2061
2062 /*
2063 * rt2860_vap_newstate
2064 */
2065 static int rt2860_vap_newstate(struct ieee80211vap *vap,
2066 enum ieee80211_state nstate, int arg)
2067 {
2068 struct rt2860_softc *sc;
2069 struct ieee80211com *ic;
2070 struct ifnet *ifp;
2071 struct rt2860_softc_vap *rvap;
2072 struct ieee80211_node *ni;
2073 enum ieee80211_state ostate;
2074 int error;
2075
2076 ic = vap->iv_ic;
2077 ifp = ic->ic_ifp;
2078 sc = ifp->if_softc;
2079 rvap = (struct rt2860_softc_vap *) vap;
2080
2081 ostate = vap->iv_state;
2082
2083 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2084 "%s: VAP newstate: %s -> %s\n",
2085 device_get_nameunit(sc->dev),
2086 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
2087
2088 error = rvap->newstate(vap, nstate, arg);
2089 if (error != 0)
2090 return error;
2091
2092 IEEE80211_UNLOCK(ic);
2093
2094 RT2860_SOFTC_LOCK(sc);
2095
2096 /* turn link LED off */
2097
2098 if (nstate != IEEE80211_S_RUN)
2099 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
2100
2101 switch (nstate)
2102 {
2103 case IEEE80211_S_INIT:
2104 rt2860_asic_disable_tsf_sync(sc);
2105 break;
2106
2107 case IEEE80211_S_RUN:
2108 ni = vap->iv_bss;
2109
2110 rt2860_rf_set_chan(sc, ni->ni_chan);
2111
2112 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2113 {
2114 rt2860_asic_enable_mrr(sc);
2115 rt2860_asic_set_txpreamble(sc);
2116 rt2860_asic_set_basicrates(sc);
2117 rt2860_asic_update_txpower(sc);
2118 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2119 }
2120
2121 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2122 vap->iv_opmode == IEEE80211_M_IBSS ||
2123 vap->iv_opmode == IEEE80211_M_MBSS)
2124 {
2125 error = rt2860_beacon_alloc(sc, vap);
2126 if (error != 0)
2127 break;
2128
2129 rt2860_asic_update_beacon(sc, vap);
2130 }
2131
2132 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2133 rt2860_asic_enable_tsf_sync(sc);
2134
2135 /* turn link LED on */
2136
2137 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2138 {
2139 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2140 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2141 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2142 }
2143 break;
2144
2145 case IEEE80211_S_SLEEP:
2146 break;
2147
2148 default:
2149 break;
2150 }
2151
2152 RT2860_SOFTC_UNLOCK(sc);
2153
2154 IEEE80211_LOCK(ic);
2155
2156 return error;
2157 }
2158
2159 /*
2160 * rt2860_vap_key_update_begin
2161 */
2162 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2163 {
2164 struct rt2860_softc *sc;
2165 struct ieee80211com *ic;
2166 struct ifnet *ifp;
2167
2168 ic = vap->iv_ic;
2169 ifp = ic->ic_ifp;
2170 sc = ifp->if_softc;
2171
2172 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2173 "%s: VAP key update begin\n",
2174 device_get_nameunit(sc->dev));
2175
2176 taskqueue_block(sc->taskqueue);
2177
2178 IF_LOCK(&ifp->if_snd);
2179 }
2180
2181 /*
2182 * rt2860_vap_key_update_end
2183 */
2184 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2185 {
2186 struct rt2860_softc *sc;
2187 struct ieee80211com *ic;
2188 struct ifnet *ifp;
2189
2190 ic = vap->iv_ic;
2191 ifp = ic->ic_ifp;
2192 sc = ifp->if_softc;
2193
2194 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2195 "%s: VAP key update end\n",
2196 device_get_nameunit(sc->dev));
2197
2198 IF_UNLOCK(&ifp->if_snd);
2199
2200 taskqueue_unblock(sc->taskqueue);
2201 }
2202
2203 /*
2204 * rt2860_vap_key_set
2205 */
2206 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2207 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2208 {
2209 struct rt2860_softc *sc;
2210 struct ieee80211com *ic;
2211 struct ifnet *ifp;
2212 struct ieee80211_node *ni;
2213 struct rt2860_softc_node *rni;
2214 uint16_t key_base, keymode_base;
2215 uint8_t mode, vapid, wcid, iv[8];
2216 uint32_t tmp;
2217
2218 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2219 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2220 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2221 return 0;
2222
2223 ic = vap->iv_ic;
2224 ifp = ic->ic_ifp;
2225 sc = ifp->if_softc;
2226
2227 switch (k->wk_cipher->ic_cipher)
2228 {
2229 case IEEE80211_CIPHER_WEP:
2230 if(k->wk_keylen < 8)
2231 mode = RT2860_REG_CIPHER_MODE_WEP40;
2232 else
2233 mode = RT2860_REG_CIPHER_MODE_WEP104;
2234 break;
2235
2236 case IEEE80211_CIPHER_TKIP:
2237 mode = RT2860_REG_CIPHER_MODE_TKIP;
2238 break;
2239
2240 case IEEE80211_CIPHER_AES_CCM:
2241 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2242 break;
2243
2244 default:
2245 return 0;
2246 }
2247
2248 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2249 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2250 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2251 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2252
2253 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2254 {
2255 /* install pairwise key */
2256
2257 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2258 rni = (struct rt2860_softc_node *) ni;
2259
2260 vapid = 0;
2261 wcid = rni->staid;
2262 key_base = RT2860_REG_PKEY(wcid);
2263
2264 ieee80211_free_node(ni);
2265
2266 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2267 {
2268 memset(iv, 0, 8);
2269
2270 iv[3] = (k->wk_keyix << 6);
2271 }
2272 else
2273 {
2274 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2275 {
2276 iv[0] = (k->wk_keytsc >> 8);
2277 iv[1] = ((iv[0] | 0x20) & 0x7f);
2278 iv[2] = k->wk_keytsc;
2279 }
2280 else
2281 {
2282 /* AES CCMP */
2283
2284 iv[0] = k->wk_keytsc;
2285 iv[1] = k->wk_keytsc >> 8;
2286 iv[2] = 0;
2287 }
2288
2289 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2290 iv[4] = (k->wk_keytsc >> 16);
2291 iv[5] = (k->wk_keytsc >> 24);
2292 iv[6] = (k->wk_keytsc >> 32);
2293 iv[7] = (k->wk_keytsc >> 40);
2294
2295 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2296 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2297 device_get_nameunit(sc->dev),
2298 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2299 }
2300
2301 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2302
2303 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2304 {
2305 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2306
2307 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2308 {
2309 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2310 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2311 }
2312 else
2313 {
2314 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2315 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2316 }
2317 }
2318 else
2319 {
2320 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2321 }
2322
2323 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2324 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2325
2326 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2327 }
2328
2329 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2330 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2331 {
2332 /* install group key */
2333
2334 vapid = 0;
2335 wcid = RT2860_WCID_MCAST;
2336 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2337 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2338
2339 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2340 {
2341 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2342
2343 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2344 {
2345 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2346 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2347 }
2348 else
2349 {
2350 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2351 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2352 }
2353 }
2354 else
2355 {
2356 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2357 }
2358
2359 tmp = rt2860_io_mac_read(sc, keymode_base);
2360
2361 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2362 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2363
2364 rt2860_io_mac_write(sc, keymode_base, tmp);
2365
2366 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2367 {
2368 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2369 {
2370 memset(iv, 0, 8);
2371
2372 iv[3] = (k->wk_keyix << 6);
2373 }
2374 else
2375 {
2376 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2377 {
2378 iv[0] = (k->wk_keytsc >> 8);
2379 iv[1] = ((iv[0] | 0x20) & 0x7f);
2380 iv[2] = k->wk_keytsc;
2381 }
2382 else
2383 {
2384 /* AES CCMP */
2385
2386 iv[0] = k->wk_keytsc;
2387 iv[1] = k->wk_keytsc >> 8;
2388 iv[2] = 0;
2389 }
2390
2391 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2392 iv[4] = (k->wk_keytsc >> 16);
2393 iv[5] = (k->wk_keytsc >> 24);
2394 iv[6] = (k->wk_keytsc >> 32);
2395 iv[7] = (k->wk_keytsc >> 40);
2396
2397 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2398 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2399 device_get_nameunit(sc->dev),
2400 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2401 }
2402
2403 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2404
2405 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2406 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2407
2408 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2409 }
2410 }
2411
2412 return 1;
2413 }
2414
2415 /*
2416 * rt2860_vap_key_delete
2417 */
2418 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2419 const struct ieee80211_key *k)
2420 {
2421 struct rt2860_softc *sc;
2422 struct ieee80211com *ic;
2423 struct ifnet *ifp;
2424 uint8_t vapid, wcid;
2425 uint32_t tmp;
2426
2427 ic = vap->iv_ic;
2428 ifp = ic->ic_ifp;
2429 sc = ifp->if_softc;
2430
2431 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2432 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
2433 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2434 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2435
2436 if (k->wk_flags & IEEE80211_KEY_GROUP)
2437 {
2438 /* remove group key */
2439
2440 vapid = 0;
2441 wcid = RT2860_WCID_MCAST;
2442
2443 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2444
2445 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2446 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2447
2448 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2449
2450 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2451 {
2452 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2453 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2454
2455 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2456 }
2457 }
2458
2459 return 1;
2460 }
2461
2462 /*
2463 * rt2860_vap_update_beacon
2464 */
2465 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2466 {
2467 struct rt2860_softc *sc;
2468 struct ieee80211com *ic;
2469 struct ifnet *ifp;
2470 struct rt2860_softc_vap *rvap;
2471 struct mbuf *m;
2472 struct ieee80211_beacon_offsets *bo;
2473
2474 ic = vap->iv_ic;
2475 ifp = ic->ic_ifp;
2476 sc = ifp->if_softc;
2477 rvap = (struct rt2860_softc_vap *) vap;
2478 m = rvap->beacon_mbuf;
2479 bo = &rvap->beacon_offsets;
2480
2481 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2482 "%s: VAP update beacon: what=%d\n",
2483 device_get_nameunit(sc->dev), what);
2484
2485 setbit(bo->bo_flags, what);
2486
2487 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2488
2489 rt2860_asic_update_beacon(sc, vap);
2490 }
2491
2492 /*
2493 * rt2860_media_change
2494 */
2495 static int rt2860_media_change(struct ifnet *ifp)
2496 {
2497 int error;
2498
2499 error = ieee80211_media_change(ifp);
2500
2501 return (error == ENETRESET ? 0 : error);
2502 }
2503
2504 /*
2505 * rt2860_node_alloc
2506 */
2507 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2508 const uint8_t mac[IEEE80211_ADDR_LEN])
2509 {
2510 return malloc(sizeof(struct rt2860_softc_node),
2511 M_80211_NODE, M_NOWAIT | M_ZERO);
2512 }
2513
2514 /*
2515 * rt2860_node_cleanup
2516 */
2517 static void rt2860_node_cleanup(struct ieee80211_node *ni)
2518 {
2519 struct rt2860_softc *sc;
2520 struct ieee80211com *ic;
2521 struct ifnet *ifp;
2522 struct rt2860_softc_node *rni;
2523 uint8_t vapid, wcid;
2524 uint32_t tmp;
2525
2526 ic = ni->ni_ic;
2527 ifp = ic->ic_ifp;
2528 sc = ifp->if_softc;
2529 rni = (struct rt2860_softc_node *) ni;
2530
2531 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2532 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2533 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2534 ni->ni_associd, rni->staid);
2535
2536 if (rni->staid != 0)
2537 {
2538 vapid = 0;
2539 wcid = rni->staid;
2540
2541 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2542 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2543
2544 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2545
2546 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0xffffffff);
2547 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0x0000ffff);
2548
2549 rt2860_staid_delete(sc, rni->staid);
2550
2551 rni->staid = 0;
2552 }
2553
2554 sc->node_cleanup(ni);
2555 }
2556
2557 /*
2558 * rt2860_node_getmimoinfo
2559 */
2560 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
2561 struct ieee80211_mimo_info *mi)
2562 {
2563 const struct rt2860_softc_node *rni;
2564 int i;
2565
2566 rni = (const struct rt2860_softc_node *) ni;
2567
2568 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
2569 {
2570 mi->rssi[i] = rni->last_rssi_dbm[i];
2571 mi->noise[i] = RT2860_NOISE_FLOOR;
2572 }
2573 }
2574
2575 /*
2576 * rt2860_setregdomain
2577 */
2578 static int rt2860_setregdomain(struct ieee80211com *ic,
2579 struct ieee80211_regdomain *reg,
2580 int nchans, struct ieee80211_channel chans[])
2581 {
2582 struct rt2860_softc *sc;
2583 struct ifnet *ifp;
2584
2585 ifp = ic->ic_ifp;
2586 sc = ifp->if_softc;
2587
2588 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2589 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2590 device_get_nameunit(sc->dev),
2591 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2592
2593 return 0;
2594 }
2595
2596 /*
2597 * rt2860_getradiocaps
2598 */
2599 static void rt2860_getradiocaps(struct ieee80211com *ic,
2600 int maxchans, int *nchans, struct ieee80211_channel chans[])
2601 {
2602 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2603
2604 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2605 }
2606
2607 /*
2608 * rt2860_scan_start
2609 */
2610 static void rt2860_scan_start(struct ieee80211com *ic)
2611 {
2612 struct rt2860_softc *sc;
2613 struct ifnet *ifp;
2614
2615 ifp = ic->ic_ifp;
2616 sc = ifp->if_softc;
2617
2618 rt2860_asic_disable_tsf_sync(sc);
2619 }
2620
2621 /*
2622 * rt2860_scan_end
2623 */
2624 static void rt2860_scan_end(struct ieee80211com *ic)
2625 {
2626 struct rt2860_softc *sc;
2627 struct ifnet *ifp;
2628
2629 ifp = ic->ic_ifp;
2630 sc = ifp->if_softc;
2631
2632 rt2860_asic_enable_tsf_sync(sc);
2633 }
2634
2635 /*
2636 * rt2860_set_channel
2637 */
2638 static void rt2860_set_channel(struct ieee80211com *ic)
2639 {
2640 struct rt2860_softc *sc;
2641 struct ifnet *ifp;
2642
2643 ifp = ic->ic_ifp;
2644 sc = ifp->if_softc;
2645
2646 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2647 "%s: set channel: channel=%u, HT%s%s\n",
2648 device_get_nameunit(sc->dev),
2649 ieee80211_chan2ieee(ic, ic->ic_curchan),
2650 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2651 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2652 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2653 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2654
2655 RT2860_SOFTC_LOCK(sc);
2656
2657 rt2860_rf_set_chan(sc, ic->ic_curchan);
2658
2659 RT2860_SOFTC_UNLOCK(sc);
2660 }
2661
2662 /*
2663 * rt2860_newassoc
2664 */
2665 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2666 {
2667 struct rt2860_softc *sc;
2668 struct ieee80211com *ic;
2669 struct ifnet *ifp;
2670 struct ieee80211vap *vap;
2671 struct rt2860_softc_vap *rvap;
2672 struct rt2860_softc_node *rni;
2673 uint16_t aid;
2674 uint8_t wcid;
2675
2676 vap = ni->ni_vap;
2677 ic = vap->iv_ic;
2678 ifp = ic->ic_ifp;
2679 sc = ifp->if_softc;
2680 rvap = (struct rt2860_softc_vap *) vap;
2681 rni = (struct rt2860_softc_node *) ni;
2682
2683 if (isnew)
2684 {
2685 aid = IEEE80211_AID(ni->ni_associd);
2686 rni->staid = rt2860_staid_alloc(sc, aid);
2687 wcid = rni->staid;
2688
2689 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2690 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2691
2692 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2693
2694 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2695 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2696 device_get_nameunit(sc->dev),
2697 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2698 ni->ni_associd, ni->ni_txrate,
2699 (ni->ni_flags & IEEE80211_NODE_HT) ?
2700 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2701 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2702
2703 rt2860_asic_updateprot(sc);
2704 rt2860_asic_updateslot(sc);
2705 rt2860_asic_set_txpreamble(sc);
2706 }
2707
2708 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2709 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2710 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2711 ni->ni_associd, rni->staid,
2712 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2713 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2714 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2715 }
2716
2717 /*
2718 * rt2860_updateslot
2719 */
2720 static void rt2860_updateslot(struct ifnet *ifp)
2721 {
2722 struct rt2860_softc *sc;
2723
2724 sc = ifp->if_softc;
2725
2726 rt2860_asic_updateslot(sc);
2727 }
2728
2729 /*
2730 * rt2860_update_promisc
2731 */
2732 static void rt2860_update_promisc(struct ifnet *ifp)
2733 {
2734 struct rt2860_softc *sc;
2735
2736 sc = ifp->if_softc;
2737
2738 rt2860_asic_update_promisc(sc);
2739 }
2740
2741 /*
2742 * rt2860_update_mcast
2743 */
2744 static void rt2860_update_mcast(struct ifnet *ifp)
2745 {
2746 struct rt2860_softc *sc;
2747
2748 sc = ifp->if_softc;
2749 }
2750
2751 /*
2752 * rt2860_wme_update
2753 */
2754 static int rt2860_wme_update(struct ieee80211com *ic)
2755 {
2756 struct rt2860_softc *sc;
2757 struct ifnet *ifp;
2758
2759 ifp = ic->ic_ifp;
2760 sc = ifp->if_softc;
2761
2762 rt2860_asic_wme_update(sc);
2763
2764 return 0;
2765 }
2766
2767 /*
2768 * rt2860_raw_xmit
2769 */
2770 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2771 const struct ieee80211_bpf_params *params)
2772 {
2773 struct rt2860_softc *sc;
2774 struct ieee80211com *ic;
2775 struct ifnet *ifp;
2776
2777 ic = ni->ni_ic;
2778 ifp = ic->ic_ifp;
2779 sc = ifp->if_softc;
2780
2781 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2782 {
2783 m_freem(m);
2784 ieee80211_free_node(ni);
2785
2786 return ENETDOWN;
2787 }
2788
2789 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2790
2791 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2792 {
2793 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2794
2795 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2796 "%s: raw xmit: Tx ring with qid=%d is full\n",
2797 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2798
2799 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2800
2801 m_freem(m);
2802 ieee80211_free_node(ni);
2803
2804 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2805
2806 return ENOBUFS;
2807 }
2808
2809 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2810 {
2811 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2812
2813 ifp->if_oerrors++;
2814
2815 ieee80211_free_node(ni);
2816
2817 return EIO;
2818 }
2819
2820 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2821
2822 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2823
2824 return 0;
2825 }
2826
2827 /*
2828 * rt2860_recv_action
2829 */
2830 static int rt2860_recv_action(struct ieee80211_node *ni,
2831 const struct ieee80211_frame *wh,
2832 const uint8_t *frm, const uint8_t *efrm)
2833 {
2834 struct rt2860_softc *sc;
2835 struct ieee80211com *ic;
2836 struct ifnet *ifp;
2837 struct rt2860_softc_node *rni;
2838 const struct ieee80211_action *ia;
2839 uint16_t baparamset;
2840 uint8_t wcid;
2841 int ret, tid;
2842 uint32_t tmp;
2843
2844 ic = ni->ni_ic;
2845 ifp = ic->ic_ifp;
2846 sc = ifp->if_softc;
2847 rni = (struct rt2860_softc_node *) ni;
2848
2849 ia = (const struct ieee80211_action *) frm;
2850
2851 ret = sc->recv_action(ni, wh, frm, efrm);
2852
2853 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2854 return ret;
2855
2856 switch (ia->ia_action)
2857 {
2858 /* IEEE80211_ACTION_BA_DELBA */
2859 case IEEE80211_ACTION_BA_DELBA:
2860 baparamset = LE_READ_2(frm + 2);
2861 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2862 wcid = rni->staid;
2863
2864 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2865 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2866 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2867
2868 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2869
2870 tmp &= ~(0x10000 << tid);
2871
2872 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2873 break;
2874 }
2875
2876 return ret;
2877 }
2878
2879 /*
2880 * rt2860_send_action
2881 */
2882 static int rt2860_send_action(struct ieee80211_node *ni,
2883 int cat, int act, void *sa)
2884 {
2885 struct rt2860_softc *sc;
2886 struct ieee80211com *ic;
2887 struct ifnet *ifp;
2888 struct rt2860_softc_node *rni;
2889 uint16_t *args, status, baparamset;
2890 uint8_t wcid;
2891 int ret, tid, bufsize;
2892 uint32_t tmp;
2893
2894 ic = ni->ni_ic;
2895 ifp = ic->ic_ifp;
2896 sc = ifp->if_softc;
2897 rni = (struct rt2860_softc_node *) ni;
2898
2899 ret = sc->send_action(ni, cat, act, sa);
2900
2901 if (cat != IEEE80211_ACTION_CAT_BA)
2902 return ret;
2903
2904 wcid = rni->staid;
2905 args = sa;
2906
2907 switch (act)
2908 {
2909 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2910 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2911 status = args[1];
2912 baparamset = args[2];
2913 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2914 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2915
2916 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2917 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2918 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2919
2920 if (status == IEEE80211_STATUS_SUCCESS)
2921 {
2922 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2923
2924 tmp |= (0x10000 << tid);
2925
2926 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2927 }
2928 break;
2929
2930 /* IEEE80211_ACTION_BA_DELBA */
2931 case IEEE80211_ACTION_BA_DELBA:
2932 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2933
2934 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2935
2936 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2937 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2938 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2939
2940 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2941 {
2942 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2943
2944 tmp &= ~(0x10000 << tid);
2945
2946 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2947 }
2948 break;
2949 }
2950
2951 return ret;
2952 }
2953
2954 /*
2955 * rt2860_addba_response
2956 */
2957 static int rt2860_addba_response(struct ieee80211_node *ni,
2958 struct ieee80211_tx_ampdu *tap,
2959 int status, int baparamset, int batimeout)
2960 {
2961 struct rt2860_softc *sc;
2962 struct ieee80211com *ic;
2963 struct ifnet *ifp;
2964 struct rt2860_softc_node *rni;
2965 int tid, old_bufsize, new_bufsize;
2966
2967 ic = ni->ni_ic;
2968 ifp = ic->ic_ifp;
2969 sc = ifp->if_softc;
2970 rni = (struct rt2860_softc_node *) ni;
2971
2972 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2973 old_bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2974 new_bufsize = old_bufsize;
2975
2976 if (status == IEEE80211_STATUS_SUCCESS)
2977 {
2978 if (sc->mac_rev >= 0x28830300)
2979 {
2980 if (sc->mac_rev >= 0x30700200)
2981 new_bufsize = 13;
2982 else
2983 new_bufsize = 31;
2984 }
2985 else if (sc->mac_rev >= 0x28720200)
2986 {
2987 new_bufsize = 13;
2988 }
2989 else
2990 {
2991 new_bufsize = 7;
2992 }
2993
2994 if (old_bufsize > new_bufsize)
2995 {
2996 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2997 baparamset = RT2860_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
2998 }
2999
3000 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
3001 {
3002 sc->tx_ampdu_sessions++;
3003
3004 rt2860_asic_updateprot(sc);
3005 }
3006 }
3007
3008 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3009 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
3010 "old bufsize=%d, new bufsize=%d\n",
3011 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
3012 old_bufsize, new_bufsize);
3013
3014 return sc->addba_response(ni, tap, status, baparamset, batimeout);
3015 }
3016
3017 /*
3018 * rt2860_addba_stop
3019 */
3020 static void rt2860_addba_stop(struct ieee80211_node *ni,
3021 struct ieee80211_tx_ampdu *tap)
3022 {
3023 struct rt2860_softc *sc;
3024 struct ieee80211com *ic;
3025 struct ifnet *ifp;
3026 struct rt2860_softc_node *rni;
3027 int tid;
3028
3029 ic = ni->ni_ic;
3030 ifp = ic->ic_ifp;
3031 sc = ifp->if_softc;
3032 rni = (struct rt2860_softc_node *) ni;
3033
3034 tid = WME_AC_TO_TID(tap->txa_ac);
3035
3036 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3037 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
3038 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
3039
3040 sc->tx_ampdu_sessions--;
3041
3042 rt2860_asic_updateprot(sc);
3043
3044 sc->addba_stop(ni, tap);
3045 }
3046
3047 /*
3048 * rt2860_amrr_update_iter_func
3049 */
3050 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
3051 {
3052 struct rt2860_softc *sc;
3053 struct ieee80211com *ic;
3054 struct ifnet *ifp;
3055 struct ieee80211vap *vap;
3056 struct rt2860_softc_vap *rvap;
3057 struct rt2860_softc_node *rni;
3058 uint8_t wcid;
3059
3060 vap = arg;
3061 ic = vap->iv_ic;
3062 ifp = ic->ic_ifp;
3063 sc = ifp->if_softc;
3064 rvap = (struct rt2860_softc_vap *) vap;
3065 rni = (struct rt2860_softc_node *) ni;
3066
3067 /* only associated stations */
3068
3069 if ((ni->ni_vap == vap) && (rni->staid != 0))
3070 {
3071 wcid = rni->staid;
3072
3073 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3074 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3075 device_get_nameunit(sc->dev),
3076 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3077
3078 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
3079
3080 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3081 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3082 device_get_nameunit(sc->dev),
3083 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3084 ni->ni_associd, rni->staid, ni->ni_txrate,
3085 (ni->ni_flags & IEEE80211_NODE_HT) ?
3086 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3087 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3088 }
3089 }
3090
3091 /*
3092 * rt2860_periodic
3093 */
3094 static void rt2860_periodic(void *arg)
3095 {
3096 struct rt2860_softc *sc;
3097
3098 sc = arg;
3099
3100 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
3101 "%s: periodic\n",
3102 device_get_nameunit(sc->dev));
3103
3104 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3105 }
3106
3107 /*
3108 * rt2860_tx_watchdog
3109 */
3110 static void rt2860_tx_watchdog(void *arg)
3111 {
3112 struct rt2860_softc *sc;
3113 struct ifnet *ifp;
3114
3115 sc = arg;
3116 ifp = sc->ifp;
3117
3118 if (sc->tx_timer == 0)
3119 return;
3120
3121 if (--sc->tx_timer == 0)
3122 {
3123 printf("%s: Tx watchdog timeout: resetting\n",
3124 device_get_nameunit(sc->dev));
3125
3126 rt2860_stop_locked(sc);
3127 rt2860_init_locked(sc);
3128
3129 ifp->if_oerrors++;
3130
3131 sc->tx_watchdog_timeouts++;
3132 }
3133
3134 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
3135 }
3136
3137 /*
3138 * rt2860_staid_alloc
3139 */
3140 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
3141 {
3142 int staid;
3143
3144 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3145 {
3146 staid = aid;
3147 }
3148 else
3149 {
3150 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
3151 {
3152 if (isclr(sc->staid_mask, staid))
3153 break;
3154 }
3155 }
3156
3157 setbit(sc->staid_mask, staid);
3158
3159 return staid;
3160 }
3161
3162 /*
3163 * rt2860_staid_delete
3164 */
3165 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
3166 {
3167 clrbit(sc->staid_mask, staid);
3168 }
3169
3170 /*
3171 * rt2860_asic_set_bssid
3172 */
3173 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
3174 const uint8_t *bssid)
3175 {
3176 uint32_t tmp;
3177
3178 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3179 "%s: set bssid: bssid=%s\n",
3180 device_get_nameunit(sc->dev),
3181 ether_sprintf(bssid));
3182
3183 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3184
3185 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
3186
3187 tmp = bssid[4] | (bssid[5] << 8);
3188
3189 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
3190 }
3191
3192 /*
3193 * rt2860_asic_set_macaddr
3194 */
3195 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
3196 const uint8_t *addr)
3197 {
3198 uint32_t tmp;
3199
3200 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3201
3202 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
3203
3204 tmp = addr[4] | (addr[5] << 8);
3205
3206 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
3207 }
3208
3209 /*
3210 * rt2860_asic_enable_tsf_sync
3211 */
3212 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
3213 {
3214 struct ifnet *ifp;
3215 struct ieee80211com *ic;
3216 struct ieee80211vap *vap;
3217 uint32_t tmp;
3218
3219 ifp = sc->ifp;
3220 ic = ifp->if_l2com;
3221 vap = TAILQ_FIRST(&ic->ic_vaps);
3222
3223 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3224 "%s: enabling TSF\n",
3225 device_get_nameunit(sc->dev));
3226
3227 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3228
3229 tmp &= ~0x1fffff;
3230 tmp |= vap->iv_bss->ni_intval * 16;
3231 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3232
3233 if (vap->iv_opmode == IEEE80211_M_STA)
3234 {
3235 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3236 }
3237 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3238 {
3239 tmp |= RT2860_REG_BCN_TX_ENABLE;
3240 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3241 }
3242 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3243 {
3244 tmp |= RT2860_REG_BCN_TX_ENABLE;
3245 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3246 }
3247
3248 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3249 }
3250
3251 /*
3252 * rt2860_asic_disable_tsf_sync
3253 */
3254 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3255 {
3256 uint32_t tmp;
3257
3258 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3259 "%s: disabling TSF\n",
3260 device_get_nameunit(sc->dev));
3261
3262 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3263
3264 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3265 RT2860_REG_TSF_TIMER_ENABLE |
3266 RT2860_REG_TBTT_TIMER_ENABLE);
3267
3268 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3269 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3270
3271 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3272 }
3273
3274 /*
3275 * rt2860_asic_enable_mrr
3276 */
3277 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3278 {
3279 #define CCK(mcs) (mcs)
3280 #define OFDM(mcs) ((1 << 3) | (mcs))
3281 #define HT(mcs) (mcs)
3282
3283 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3284 (OFDM(6) << 28) | /* 54 -> 48 */
3285 (OFDM(5) << 24) | /* 48 -> 36 */
3286 (OFDM(4) << 20) | /* 36 -> 24 */
3287 (OFDM(3) << 16) | /* 24 -> 18 */
3288 (OFDM(2) << 12) | /* 18 -> 12 */
3289 (OFDM(1) << 8) | /* 12 -> 9 */
3290 (OFDM(0) << 4) | /* 9 -> 6 */
3291 OFDM(0)); /* 6 -> 6 */
3292
3293 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3294 (CCK(2) << 12) | /* 11 -> 5.5 */
3295 (CCK(1) << 8) | /* 5.5 -> 2 */
3296 (CCK(0) << 4) | /* 2 -> 1 */
3297 CCK(0)); /* 1 -> 1 */
3298
3299 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3300 (HT(6) << 28) |
3301 (HT(5) << 24) |
3302 (HT(4) << 20) |
3303 (HT(3) << 16) |
3304 (HT(2) << 12) |
3305 (HT(1) << 8) |
3306 (HT(0) << 4) |
3307 HT(0));
3308
3309 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3310 (HT(14) << 28) |
3311 (HT(13) << 24) |
3312 (HT(12) << 20) |
3313 (HT(11) << 16) |
3314 (HT(10) << 12) |
3315 (HT(9) << 8) |
3316 (HT(8) << 4) |
3317 HT(7));
3318
3319 #undef HT
3320 #undef OFDM
3321 #undef CCK
3322 }
3323
3324 /*
3325 * rt2860_asic_set_txpreamble
3326 */
3327 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3328 {
3329 struct ifnet *ifp;
3330 struct ieee80211com *ic;
3331 uint32_t tmp;
3332
3333 ifp = sc->ifp;
3334 ic = ifp->if_l2com;
3335
3336 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3337 "%s: %s short Tx preamble\n",
3338 device_get_nameunit(sc->dev),
3339 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3340
3341 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3342
3343 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3344
3345 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3346 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3347
3348 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3349 }
3350
3351 /*
3352 * rt2860_asic_set_basicrates
3353 */
3354 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3355 {
3356 struct ifnet *ifp;
3357 struct ieee80211com *ic;
3358
3359 ifp = sc->ifp;
3360 ic = ifp->if_l2com;
3361
3362 if (ic->ic_curmode == IEEE80211_MODE_11B)
3363 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3364 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3365 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3366 else
3367 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3368 }
3369
3370 /*
3371 * rt2860_asic_update_rtsthreshold
3372 */
3373 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3374 {
3375 struct ifnet *ifp;
3376 struct ieee80211com *ic;
3377 struct ieee80211vap *vap;
3378 uint32_t tmp;
3379 uint16_t threshold;
3380
3381 ifp = sc->ifp;
3382 ic = ifp->if_l2com;
3383 vap = TAILQ_FIRST(&ic->ic_vaps);
3384
3385 if (vap == NULL)
3386 threshold = IEEE80211_RTS_MAX;
3387 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3388 threshold = 0x1000;
3389 else
3390 threshold = vap->iv_rtsthreshold;
3391
3392 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3393 "%s: updating RTS threshold: %d\n",
3394 device_get_nameunit(sc->dev), threshold);
3395
3396 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3397
3398 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3399
3400 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3401 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3402
3403 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3404 }
3405
3406 /*
3407 * rt2860_asic_update_txpower
3408 */
3409 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3410 {
3411 struct ifnet *ifp;
3412 struct ieee80211com *ic;
3413 uint32_t *txpow_rate;
3414 int8_t delta;
3415 uint8_t val;
3416 uint32_t tmp;
3417 int i;
3418
3419 ifp = sc->ifp;
3420 ic = ifp->if_l2com;
3421
3422 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3423 "%s: updating Tx power: %d\n",
3424 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3425
3426 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3427 {
3428 txpow_rate = sc->txpow_rate_20mhz;
3429 }
3430 else
3431 {
3432 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3433 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3434 else
3435 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3436 }
3437
3438 delta = 0;
3439
3440 val = rt2860_io_bbp_read(sc, 1);
3441 val &= 0xfc;
3442
3443 if (ic->ic_txpowlimit > 90)
3444 {
3445 /* do nothing */
3446 }
3447 else if (ic->ic_txpowlimit > 60)
3448 {
3449 delta -= 1;
3450 }
3451 else if (ic->ic_txpowlimit > 30)
3452 {
3453 delta -= 3;
3454 }
3455 else if (ic->ic_txpowlimit > 15)
3456 {
3457 val |= 0x1;
3458 }
3459 else if (ic->ic_txpowlimit > 9)
3460 {
3461 val |= 0x1;
3462 delta -= 3;
3463 }
3464 else
3465 {
3466 val |= 0x2;
3467 }
3468
3469 rt2860_io_bbp_write(sc, 1, val);
3470
3471 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3472 {
3473 if (txpow_rate[i] == 0xffffffff)
3474 continue;
3475
3476 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3477
3478 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3479 }
3480 }
3481
3482 /*
3483 * rt2860_asic_update_promisc
3484 */
3485 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3486 {
3487 struct ifnet *ifp;
3488 uint32_t tmp;
3489
3490 ifp = sc->ifp;
3491
3492 printf("%s: %s promiscuous mode\n",
3493 device_get_nameunit(sc->dev),
3494 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3495
3496 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3497
3498 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3499
3500 if (!(ifp->if_flags & IFF_PROMISC))
3501 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3502
3503 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3504 }
3505
3506 /*
3507 * rt2860_asic_updateprot
3508 */
3509 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3510 {
3511 struct ifnet *ifp;
3512 struct ieee80211com *ic;
3513 struct ieee80211vap *vap;
3514 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3515 uint8_t htopmode;
3516 enum ieee80211_protmode htprotmode;
3517
3518 ifp = sc->ifp;
3519 ic = ifp->if_l2com;
3520 vap = TAILQ_FIRST(&ic->ic_vaps);
3521
3522 /* CCK frame protection */
3523
3524 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3525 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3526
3527 /* set up protection frame phy mode and rate (MCS code) */
3528
3529 if (ic->ic_curmode == IEEE80211_MODE_11A)
3530 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3531 (0 << RT2860_REG_PROT_MCS_SHIFT);
3532 else
3533 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3534 (3 << RT2860_REG_PROT_MCS_SHIFT));
3535
3536 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3537
3538 /* OFDM frame protection */
3539
3540 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3541 RT2860_REG_TXOP_ALLOW_ALL;
3542
3543 if (ic->ic_flags & IEEE80211_F_USEPROT)
3544 {
3545 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3546 "%s: updating protection mode: b/g protection mode=%s\n",
3547 device_get_nameunit(sc->dev),
3548 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3549 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3550
3551 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3552 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3553 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3554 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3555 else
3556 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3557 }
3558 else
3559 {
3560 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3561 "%s: updating protection mode: b/g protection mode=%s\n",
3562 device_get_nameunit(sc->dev), "none");
3563
3564 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3565 }
3566
3567 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3568
3569 /* HT frame protection */
3570
3571 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3572 htopmode = vap->iv_bss->ni_htopmode;
3573 else
3574 htopmode = ic->ic_curhtprotmode;
3575
3576 htprotmode = ic->ic_htprotmode;
3577
3578 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3579
3580 if (sc->tx_ampdu_sessions > 0)
3581 {
3582 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3583 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3584 device_get_nameunit(sc->dev));
3585
3586 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3587 htprotmode = IEEE80211_PROT_RTSCTS;
3588 }
3589
3590 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3591 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3592 device_get_nameunit(sc->dev),
3593 htopmode & IEEE80211_HTINFO_OPMODE,
3594 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3595 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3596
3597 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3598 {
3599 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3600 case IEEE80211_HTINFO_OPMODE_HT20PR:
3601 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3602 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3603 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3604 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3605 (4 << RT2860_REG_PROT_MCS_SHIFT);
3606
3607 gf20_prot = mm20_prot;
3608
3609 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3610 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3611 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3612
3613 if (htprotmode == IEEE80211_PROT_RTSCTS)
3614 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3615 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3616 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3617 else
3618 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3619
3620 gf40_prot = mm40_prot;
3621 break;
3622
3623 /* IEEE80211_HTINFO_OPMODE_MIXED */
3624 case IEEE80211_HTINFO_OPMODE_MIXED:
3625 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3626 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3627 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3628
3629 if (ic->ic_flags & IEEE80211_F_USEPROT)
3630 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3631 (3 << RT2860_REG_PROT_MCS_SHIFT);
3632 else
3633 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3634 (4 << RT2860_REG_PROT_MCS_SHIFT);
3635
3636 if (htprotmode == IEEE80211_PROT_RTSCTS)
3637 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3638 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3639 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3640 else
3641 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3642
3643 gf20_prot = mm20_prot;
3644
3645 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3646
3647 if (ic->ic_flags & IEEE80211_F_USEPROT)
3648 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3649 (3 << RT2860_REG_PROT_MCS_SHIFT);
3650 else
3651 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3652 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3653
3654 if (htprotmode == IEEE80211_PROT_RTSCTS)
3655 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3656 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3657 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3658 else
3659 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3660
3661 gf40_prot = mm40_prot;
3662 break;
3663
3664 /*
3665 * IEEE80211_HTINFO_OPMODE_PURE
3666 * IEEE80211_HTINFO_OPMODE_PROTOPT
3667 */
3668 case IEEE80211_HTINFO_OPMODE_PURE:
3669 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3670 default:
3671 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3672 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3673 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3674 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3675 (4 << RT2860_REG_PROT_MCS_SHIFT);
3676
3677 gf20_prot = mm20_prot;
3678
3679 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3680 RT2860_REG_TXOP_ALLOW_ALL |
3681 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3682 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3683
3684 gf40_prot = mm40_prot;
3685 break;
3686 }
3687
3688 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3689 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3690 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3691 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3692 }
3693
3694 /*
3695 * rt2860_asic_updateslot
3696 */
3697 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3698 {
3699 struct ifnet *ifp;
3700 struct ieee80211com *ic;
3701 struct ieee80211vap *vap;
3702 uint32_t tmp;
3703
3704 ifp = sc->ifp;
3705 ic = ifp->if_l2com;
3706 vap = TAILQ_FIRST(&ic->ic_vaps);
3707
3708 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3709 "%s: %s short slot time\n",
3710 device_get_nameunit(sc->dev),
3711 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3712 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3713
3714 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3715
3716 tmp &= ~0xff;
3717
3718 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3719 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3720 tmp |= IEEE80211_DUR_SHSLOT;
3721 else
3722 tmp |= IEEE80211_DUR_SLOT;
3723
3724 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3725 }
3726
3727 /*
3728 * rt2860_asic_wme_update
3729 */
3730 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3731 {
3732 struct ifnet *ifp;
3733 struct ieee80211com *ic;
3734 struct ieee80211_wme_state *wme;
3735 const struct wmeParams *wmep;
3736 int i;
3737
3738 ifp = sc->ifp;
3739 ic = ifp->if_l2com;
3740 wme = &ic->ic_wme;
3741 wmep = wme->wme_chanParams.cap_wmeParams;
3742
3743 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3744 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3745 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3746 device_get_nameunit(sc->dev),
3747 wmep[WME_AC_VO].wmep_aifsn,
3748 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3749 wmep[WME_AC_VO].wmep_txopLimit,
3750 wmep[WME_AC_VI].wmep_aifsn,
3751 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3752 wmep[WME_AC_VI].wmep_txopLimit,
3753 wmep[WME_AC_BK].wmep_aifsn,
3754 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3755 wmep[WME_AC_BK].wmep_txopLimit,
3756 wmep[WME_AC_BE].wmep_aifsn,
3757 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3758 wmep[WME_AC_BE].wmep_txopLimit);
3759
3760 for (i = 0; i < WME_NUM_AC; i++)
3761 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3762 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3763 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3764
3765 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3766 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3767 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3768
3769 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3770 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3771 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3772
3773 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3774 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3775 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3776
3777 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3778 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3779
3780 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3781 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3782 }
3783
3784 /*
3785 * rt2860_asic_update_beacon
3786 */
3787 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
3788 struct ieee80211vap *vap)
3789 {
3790 struct rt2860_softc_vap *rvap;
3791 struct mbuf *m;
3792 struct rt2860_txwi *txwi;
3793 uint32_t tmp;
3794
3795 rvap = (struct rt2860_softc_vap *) vap;
3796
3797 m = rvap->beacon_mbuf;
3798 txwi = &rvap->beacon_txwi;
3799
3800 /* disable temporarily TSF sync */
3801
3802 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3803
3804 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3805 RT2860_REG_TSF_TIMER_ENABLE |
3806 RT2860_REG_TBTT_TIMER_ENABLE);
3807
3808 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3809
3810 /* write Tx wireless info and beacon frame to on-chip memory */
3811
3812 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3813 txwi, sizeof(struct rt2860_txwi));
3814
3815 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3816 mtod(m, uint8_t *), m->m_pkthdr.len);
3817
3818 /* enable again TSF sync */
3819
3820 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3821
3822 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3823 RT2860_REG_TSF_TIMER_ENABLE |
3824 RT2860_REG_TBTT_TIMER_ENABLE);
3825
3826 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3827 }
3828
3829 /*
3830 * rt2860_asic_clear_keytables
3831 */
3832 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3833 {
3834 int i;
3835
3836 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3837
3838 for (i = 0; i < 256; i++)
3839 {
3840 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3841 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3842 }
3843
3844 /* clear WCID attribute table (entries = 256, entry size = 4) */
3845
3846 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3847
3848 /* clear IV/EIV table (entries = 256, entry size = 8) */
3849
3850 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3851
3852 /* clear pairwise key table (entries = 64, entry size = 32) */
3853
3854 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3855
3856 /* clear shared key table (entries = 32, entry size = 32) */
3857
3858 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3859
3860 /* clear shared key mode (entries = 32, entry size = 2) */
3861
3862 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3863 }
3864
3865 /*
3866 * rt2860_beacon_alloc
3867 */
3868 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
3869 struct ieee80211vap *vap)
3870 {
3871 struct ieee80211com *ic;
3872 struct rt2860_softc_vap *rvap;
3873 struct mbuf *m;
3874 struct rt2860_txwi txwi;
3875 uint8_t rate, mcs;
3876
3877 ic = vap->iv_ic;
3878 rvap = (struct rt2860_softc_vap *) vap;
3879
3880 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3881 if (m == NULL)
3882 return ENOMEM;
3883
3884 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
3885 mcs = rt2860_rate2mcs(rate);
3886
3887 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3888 "%s: beacon allocate: mcs=0x%02x\n",
3889 device_get_nameunit(sc->dev), mcs);
3890
3891 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3892
3893 txwi.wcid = RT2860_WCID_RESERVED;
3894 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3895 RT2860_TXWI_MPDU_LEN_SHIFT);
3896 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3897 txwi.mpdu_density_flags |=
3898 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3899 txwi.bawin_size_xflags |=
3900 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3901
3902 if (rate == 2)
3903 {
3904 txwi.phymode_ifs_stbc_shortgi =
3905 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3906
3907 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3908 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3909 }
3910 else
3911 {
3912 txwi.phymode_ifs_stbc_shortgi =
3913 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3914 }
3915
3916 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3917 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3918
3919 if (rvap->beacon_mbuf != NULL)
3920 {
3921 m_free(rvap->beacon_mbuf);
3922 rvap->beacon_mbuf = NULL;
3923 }
3924
3925 rvap->beacon_mbuf = m;
3926 rvap->beacon_txwi = txwi;
3927
3928 return 0;
3929 }
3930
3931 /*
3932 * rt2860_rxrate
3933 */
3934 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3935 {
3936 uint8_t mcs, phymode;
3937 uint8_t rate;
3938
3939 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3940 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3941 RT2860_RXWI_PHYMODE_MASK;
3942
3943 rate = 2;
3944
3945 switch (phymode)
3946 {
3947 case RT2860_RXWI_PHYMODE_CCK:
3948 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3949 {
3950 case 0: rate = 2; break; /* 1 Mbps */
3951 case 1: rate = 4; break; /* 2 MBps */
3952 case 2: rate = 11; break; /* 5.5 Mbps */
3953 case 3: rate = 22; break; /* 11 Mbps */
3954 }
3955 break;
3956
3957 case RT2860_RXWI_PHYMODE_OFDM:
3958 switch (mcs)
3959 {
3960 case 0: rate = 12; break; /* 6 Mbps */
3961 case 1: rate = 18; break; /* 9 Mbps */
3962 case 2: rate = 24; break; /* 12 Mbps */
3963 case 3: rate = 36; break; /* 18 Mbps */
3964 case 4: rate = 48; break; /* 24 Mbps */
3965 case 5: rate = 72; break; /* 36 Mbps */
3966 case 6: rate = 96; break; /* 48 Mbps */
3967 case 7: rate = 108; break; /* 54 Mbps */
3968 }
3969 break;
3970
3971 case RT2860_RXWI_PHYMODE_HT_MIXED:
3972 case RT2860_RXWI_PHYMODE_HT_GF:
3973 break;
3974 }
3975
3976 return rate;
3977 }
3978
3979 /*
3980 * rt2860_maxrssi_rxpath
3981 */
3982 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3983 const struct rt2860_rxwi *rxwi)
3984 {
3985 uint8_t rxpath;
3986
3987 rxpath = 0;
3988
3989 if (sc->nrxpath > 1)
3990 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3991 rxpath = 1;
3992
3993 if (sc->nrxpath > 2)
3994 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3995 rxpath = 2;
3996
3997 return rxpath;
3998 }
3999
4000 /*
4001 * rt2860_rssi2dbm
4002 */
4003 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
4004 uint8_t rssi, uint8_t rxpath)
4005 {
4006 struct ifnet *ifp;
4007 struct ieee80211com *ic;
4008 struct ieee80211_channel *c;
4009 int chan;
4010 int8_t rssi_off, lna_gain;
4011
4012 if (rssi == 0)
4013 return -99;
4014
4015 ifp = sc->ifp;
4016 ic = ifp->if_l2com;
4017 c = ic->ic_curchan;
4018 chan = ieee80211_chan2ieee(ic, c);
4019
4020 if (IEEE80211_IS_CHAN_5GHZ(c))
4021 {
4022 rssi_off = sc->rssi_off_5ghz[rxpath];
4023
4024 if (chan <= 64)
4025 lna_gain = sc->lna_gain[1];
4026 else if (chan <= 128)
4027 lna_gain = sc->lna_gain[2];
4028 else
4029 lna_gain = sc->lna_gain[3];
4030 }
4031 else
4032 {
4033 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
4034 lna_gain = sc->lna_gain[0];
4035 }
4036
4037 return (-12 - rssi_off - lna_gain - rssi);
4038 }
4039
4040 /*
4041 * rt2860_rate2mcs
4042 */
4043 static uint8_t rt2860_rate2mcs(uint8_t rate)
4044 {
4045 switch (rate)
4046 {
4047 /* CCK rates */
4048 case 2: return 0;
4049 case 4: return 1;
4050 case 11: return 2;
4051 case 22: return 3;
4052
4053 /* OFDM rates */
4054 case 12: return 0;
4055 case 18: return 1;
4056 case 24: return 2;
4057 case 36: return 3;
4058 case 48: return 4;
4059 case 72: return 5;
4060 case 96: return 6;
4061 case 108: return 7;
4062 }
4063
4064 return 0;
4065 }
4066
4067 /*
4068 * rt2860_tx_mgmt
4069 */
4070 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
4071 struct mbuf *m, struct ieee80211_node *ni, int qid)
4072 {
4073 struct ifnet *ifp;
4074 struct ieee80211com *ic;
4075 struct ieee80211vap *vap;
4076 const struct ieee80211_txparam *tp;
4077 struct rt2860_softc_node *rni;
4078 struct rt2860_softc_tx_ring *ring;
4079 struct rt2860_softc_tx_data *data;
4080 struct rt2860_txdesc *desc;
4081 struct rt2860_txwi *txwi;
4082 struct ieee80211_frame *wh;
4083 struct rt2860_softc_tx_radiotap_header *tap;
4084 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4085 u_int hdrsize, hdrspace;
4086 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
4087 uint16_t len, dmalen, mpdu_len, dur;
4088 int error, mimops, ndmasegs, ndescs, i, j;
4089
4090 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4091 ("%s: Tx MGMT: invalid qid=%d\n",
4092 device_get_nameunit(sc->dev), qid));
4093
4094 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4095
4096 ifp = sc->ifp;
4097 ic = ifp->if_l2com;
4098 vap = ni->ni_vap;
4099 rni = (struct rt2860_softc_node *) ni;
4100 tp = ni->ni_txparms;
4101
4102 ring = &sc->tx_ring[qid];
4103 desc = &ring->desc[ring->desc_cur];
4104 data = &ring->data[ring->data_cur];
4105 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4106
4107 wh = mtod(m, struct ieee80211_frame *);
4108
4109 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4110
4111 /* fill Tx wireless info */
4112
4113 if (ni->ni_flags & IEEE80211_NODE_HT)
4114 mcs = rate;
4115 else
4116 mcs = rt2860_rate2mcs(rate);
4117
4118 /* calculate MPDU length without padding */
4119
4120 hdrsize = ieee80211_hdrsize(wh);
4121 hdrspace = ieee80211_hdrspace(ic, wh);
4122 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4123
4124 memset(txwi, 0, sizeof(struct rt2860_txwi));
4125
4126 /* management frames do not need encryption */
4127
4128 txwi->wcid = RT2860_WCID_RESERVED;
4129
4130 /* MIMO power save */
4131
4132 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4133 {
4134 if (mcs > 7)
4135 {
4136 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4137 {
4138 /* dynamic MIMO power save */
4139
4140 txwi->mpdu_density_flags |=
4141 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4142 }
4143 else
4144 {
4145 /* static MIMO power save */
4146
4147 mcs = 7;
4148 }
4149 }
4150
4151 mimops = 1;
4152 }
4153 else
4154 {
4155 mimops = 0;
4156 }
4157
4158 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4159
4160 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4161 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4162 RT2860_TXWI_MPDU_LEN_SHIFT);
4163
4164 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4165 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4166
4167 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4168 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4169
4170 txwi->phymode_ifs_stbc_shortgi |=
4171 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4172 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4173
4174 if (ni->ni_flags & IEEE80211_NODE_HT)
4175 {
4176 txwi->phymode_ifs_stbc_shortgi |=
4177 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4178 }
4179 else
4180 {
4181 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4182 {
4183 txwi->phymode_ifs_stbc_shortgi |=
4184 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4185
4186 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4187 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4188 }
4189 else
4190 {
4191 txwi->phymode_ifs_stbc_shortgi |=
4192 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4193 }
4194 }
4195
4196 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
4197 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4198
4199 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
4200
4201 /* skip ACKs for multicast frames */
4202
4203 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4204 {
4205 txwi->bawin_size_xflags |=
4206 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4207
4208 if (ni->ni_flags & IEEE80211_NODE_HT)
4209 {
4210 /* preamble + plcp + signal extension + SIFS */
4211
4212 dur = 16 + 4 + 6 + 10;
4213 }
4214 else
4215 {
4216 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4217 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4218 }
4219
4220 *(uint16_t *) wh->i_dur = htole16(dur);
4221 }
4222
4223 /* ask MAC to insert timestamp into probe responses */
4224
4225 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4226 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4227 txwi->mpdu_density_flags |=
4228 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4229
4230 if (ieee80211_radiotap_active_vap(vap))
4231 {
4232 tap = &sc->txtap;
4233
4234 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4235 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4236 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4237 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4238 tap->chan_maxpow = 0;
4239
4240 if (ni->ni_flags & IEEE80211_NODE_HT)
4241 tap->rate = mcs | IEEE80211_RATE_MCS;
4242 else
4243 tap->rate = rate;
4244
4245 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4246 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4247
4248 if (shortgi)
4249 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4250
4251 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4252 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4253
4254 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4255 {
4256 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4257
4258 ieee80211_radiotap_tx(vap, m);
4259
4260 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4261 }
4262 else
4263 {
4264 ieee80211_radiotap_tx(vap, m);
4265 }
4266 }
4267
4268 /* copy and trim 802.11 header */
4269
4270 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4271 m_adj(m, hdrspace);
4272
4273 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4274 dma_seg, &ndmasegs, 0);
4275 if (error != 0)
4276 {
4277 /* too many fragments, linearize */
4278
4279 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4280 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4281 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4282
4283 m = m_defrag(m, M_DONTWAIT);
4284 if (m == NULL)
4285 return ENOMEM;
4286
4287 sc->tx_defrag_packets++;
4288
4289 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4290 dma_seg, &ndmasegs, 0);
4291 if (error != 0)
4292 {
4293 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4294 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4295 m_freem(m);
4296 return error;
4297 }
4298 }
4299
4300 if (m->m_pkthdr.len == 0)
4301 ndmasegs = 0;
4302
4303 /* determine how many Tx descs are required */
4304
4305 ndescs = 1 + ndmasegs / 2;
4306 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4307 {
4308 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4309 "%s: there are not enough Tx descs\n",
4310 device_get_nameunit(sc->dev));
4311
4312 sc->no_tx_desc_avail++;
4313
4314 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4315 m_freem(m);
4316 return EFBIG;
4317 }
4318
4319 data->m = m;
4320 data->ni = ni;
4321
4322 /* set up Tx descs */
4323
4324 /* first segment is Tx wireless info and 802.11 header */
4325
4326 len = sizeof(struct rt2860_txwi) + hdrsize;
4327
4328 /* align end on a 4-bytes boundary */
4329
4330 dmalen = (len + 3) & ~ 3;
4331
4332 memset((caddr_t) txwi + len, 0, dmalen - len);
4333
4334 qsel = RT2860_TXDESC_QSEL_EDCA;
4335
4336 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4337 desc->sdl0 = htole16(dmalen);
4338 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4339
4340 /* set up payload segments */
4341
4342 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4343 {
4344 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4345 desc->sdl1 = htole16(dma_seg[j].ds_len);
4346
4347 ring->desc_queued++;
4348 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4349
4350 j++;
4351
4352 desc = &ring->desc[ring->desc_cur];
4353
4354 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4355 desc->sdl0 = htole16(dma_seg[j].ds_len);
4356 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4357
4358 j++;
4359 }
4360
4361 /* finalize last payload segment */
4362
4363 if (i > 0)
4364 {
4365 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4366 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4367 }
4368 else
4369 {
4370 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4371 desc->sdl1 = 0;
4372 }
4373
4374 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4375 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4376 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4377 device_get_nameunit(sc->dev),
4378 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4379 stbc, shortgi, mcs, mimops, dmalen, ndmasegs,
4380 (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);
4381
4382 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4383 BUS_DMASYNC_PREWRITE);
4384 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4385 BUS_DMASYNC_PREWRITE);
4386 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4387 BUS_DMASYNC_PREWRITE);
4388
4389 ring->desc_queued++;
4390 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4391
4392 ring->data_queued++;
4393 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4394
4395 /* kick Tx */
4396
4397 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4398
4399 return 0;
4400 }
4401
4402 /*
4403 * rt2860_tx_data
4404 */
4405 static int rt2860_tx_data(struct rt2860_softc *sc,
4406 struct mbuf *m, struct ieee80211_node *ni, int qid)
4407 {
4408 struct ifnet *ifp;
4409 struct ieee80211com *ic;
4410 struct ieee80211vap *vap;
4411 const struct ieee80211_txparam *tp;
4412 struct rt2860_softc_node *rni;
4413 struct rt2860_softc_tx_ring *ring;
4414 struct rt2860_softc_tx_data *data;
4415 struct rt2860_txdesc *desc;
4416 struct rt2860_txwi *txwi;
4417 struct ieee80211_frame *wh;
4418 struct ieee80211_tx_ampdu *tx_ampdu;
4419 ieee80211_seq seqno;
4420 struct rt2860_softc_tx_radiotap_header *tap;
4421 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4422 u_int hdrsize, hdrspace;
4423 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4424 uint16_t qos, len, dmalen, mpdu_len, dur;
4425 int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j;
4426
4427 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4428 ("%s: Tx data: invalid qid=%d\n",
4429 device_get_nameunit(sc->dev), qid));
4430
4431 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4432
4433 ifp = sc->ifp;
4434 ic = ifp->if_l2com;
4435 vap = ni->ni_vap;
4436 rni = (struct rt2860_softc_node *) ni;
4437 tp = ni->ni_txparms;
4438
4439 ring = &sc->tx_ring[qid];
4440 desc = &ring->desc[ring->desc_cur];
4441 data = &ring->data[ring->data_cur];
4442 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4443
4444 wh = mtod(m, struct ieee80211_frame *);
4445
4446 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4447
4448 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4449 if (hasqos)
4450 {
4451 if (IEEE80211_HAS_ADDR4(wh))
4452 qos = le16toh(*(const uint16_t *)
4453 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4454 else
4455 qos = le16toh(*(const uint16_t *)
4456 (((struct ieee80211_qosframe *) wh)->i_qos));
4457 }
4458 else
4459 {
4460 qos = 0;
4461 }
4462
4463 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4464 rate = tp->mcastrate;
4465 else if (m->m_flags & M_EAPOL)
4466 rate = tp->mgmtrate;
4467 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4468 rate = tp->ucastrate;
4469 else
4470 rate = ni->ni_txrate;
4471
4472 rate &= IEEE80211_RATE_VAL;
4473
4474 /* fill Tx wireless info */
4475
4476 if (ni->ni_flags & IEEE80211_NODE_HT)
4477 mcs = rate;
4478 else
4479 mcs = rt2860_rate2mcs(rate);
4480
4481 if (type == IEEE80211_FC0_TYPE_DATA)
4482 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
4483 else
4484 wcid = RT2860_WCID_RESERVED;
4485
4486 /* calculate MPDU length without padding */
4487
4488 hdrsize = ieee80211_hdrsize(wh);
4489 hdrspace = ieee80211_hdrspace(ic, wh);
4490 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4491
4492 memset(txwi, 0, sizeof(struct rt2860_txwi));
4493
4494 txwi->wcid = wcid;
4495
4496 /* MIMO power save */
4497
4498 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4499 {
4500 if (mcs > 7)
4501 {
4502 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4503 {
4504 /* dynamic MIMO power save */
4505
4506 txwi->mpdu_density_flags |=
4507 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4508 }
4509 else
4510 {
4511 /* static MIMO power save */
4512
4513 mcs = 7;
4514 }
4515 }
4516
4517 mimops = 1;
4518 }
4519 else
4520 {
4521 mimops = 0;
4522 }
4523
4524 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4525
4526 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4527 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4528 RT2860_TXWI_MPDU_LEN_SHIFT);
4529
4530 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4531 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4532
4533 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4534 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4535
4536 txwi->phymode_ifs_stbc_shortgi |=
4537 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4538 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4539
4540 if (ni->ni_flags & IEEE80211_NODE_HT)
4541 {
4542 txwi->phymode_ifs_stbc_shortgi |=
4543 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4544 }
4545 else
4546 {
4547 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4548 {
4549 txwi->phymode_ifs_stbc_shortgi |=
4550 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4551
4552 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4553 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4554 }
4555 else
4556 {
4557 txwi->phymode_ifs_stbc_shortgi |=
4558 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4559 }
4560 }
4561
4562 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4563 bw = RT2860_TXWI_BW_40;
4564 else
4565 bw = RT2860_TXWI_BW_20;
4566
4567 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4568 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4569
4570 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4571
4572 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4573 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4574 {
4575 txwi->bawin_size_xflags |=
4576 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4577
4578 if (ni->ni_flags & IEEE80211_NODE_HT)
4579 {
4580 /* preamble + plcp + signal extension + SIFS */
4581
4582 dur = 16 + 4 + 6 + 10;
4583 }
4584 else
4585 {
4586 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4587 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4588 }
4589
4590 *(uint16_t *) wh->i_dur = htole16(dur);
4591 }
4592
4593 /* check for A-MPDU */
4594
4595 if (m->m_flags & M_AMPDU_MPDU)
4596 {
4597 ac = M_WME_GETAC(m);
4598 tid = WME_AC_TO_TID(ac);
4599 tx_ampdu = &ni->ni_tx_ampdu[ac];
4600
4601 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4602 bawin_size = tx_ampdu->txa_wnd;
4603
4604 txwi->mpdu_density_flags |=
4605 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4606 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4607
4608 txwi->bawin_size_xflags |=
4609 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4610
4611 seqno = ni->ni_txseqs[tid]++;
4612
4613 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4614
4615 ampdu = 1;
4616 }
4617 else
4618 {
4619 mpdu_density = 0;
4620 bawin_size = 0;
4621 ampdu = 0;
4622 }
4623
4624 /* ask MAC to insert timestamp into probe responses */
4625
4626 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4627 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4628 txwi->mpdu_density_flags |=
4629 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4630
4631 if (ieee80211_radiotap_active_vap(vap))
4632 {
4633 tap = &sc->txtap;
4634
4635 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4636 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4637 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4638 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4639 tap->chan_maxpow = 0;
4640
4641 if (ni->ni_flags & IEEE80211_NODE_HT)
4642 tap->rate = mcs | IEEE80211_RATE_MCS;
4643 else
4644 tap->rate = rate;
4645
4646 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4647 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4648
4649 if (shortgi)
4650 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4651
4652 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4653 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4654
4655 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4656 {
4657 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4658
4659 ieee80211_radiotap_tx(vap, m);
4660
4661 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4662 }
4663 else
4664 {
4665 ieee80211_radiotap_tx(vap, m);
4666 }
4667 }
4668
4669 /* copy and trim 802.11 header */
4670
4671 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4672 m_adj(m, hdrspace);
4673
4674 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4675 dma_seg, &ndmasegs, 0);
4676 if (error != 0)
4677 {
4678 /* too many fragments, linearize */
4679
4680 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4681 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4682 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4683
4684 m = m_defrag(m, M_DONTWAIT);
4685 if (m == NULL)
4686 return ENOMEM;
4687
4688 sc->tx_defrag_packets++;
4689
4690 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4691 dma_seg, &ndmasegs, 0);
4692 if (error != 0)
4693 {
4694 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4695 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4696 m_freem(m);
4697 return error;
4698 }
4699 }
4700
4701 if (m->m_pkthdr.len == 0)
4702 ndmasegs = 0;
4703
4704 /* determine how many Tx descs are required */
4705
4706 ndescs = 1 + ndmasegs / 2;
4707 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4708 {
4709 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4710 "%s: there are not enough Tx descs\n",
4711 device_get_nameunit(sc->dev));
4712
4713 sc->no_tx_desc_avail++;
4714
4715 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4716 m_freem(m);
4717 return EFBIG;
4718 }
4719
4720 data->m = m;
4721 data->ni = ni;
4722
4723 /* set up Tx descs */
4724
4725 /* first segment is Tx wireless info and 802.11 header */
4726
4727 len = sizeof(struct rt2860_txwi) + hdrsize;
4728
4729 /* align end on a 4-bytes boundary */
4730
4731 dmalen = (len + 3) & ~ 3;
4732
4733 memset((caddr_t) txwi + len, 0, dmalen - len);
4734
4735 qsel = RT2860_TXDESC_QSEL_EDCA;
4736
4737 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4738 desc->sdl0 = htole16(dmalen);
4739 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4740
4741 /* set up payload segments */
4742
4743 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4744 {
4745 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4746 desc->sdl1 = htole16(dma_seg[j].ds_len);
4747
4748 ring->desc_queued++;
4749 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4750
4751 j++;
4752
4753 desc = &ring->desc[ring->desc_cur];
4754
4755 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4756 desc->sdl0 = htole16(dma_seg[j].ds_len);
4757 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4758
4759 j++;
4760 }
4761
4762 /* finalize last payload segment */
4763
4764 if (i > 0)
4765 {
4766 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4767 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4768 }
4769 else
4770 {
4771 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4772 desc->sdl1 = 0;
4773 }
4774
4775 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4776 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4777 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
4778 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4779 device_get_nameunit(sc->dev),
4780 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4781 bw, stbc, shortgi, mcs, wcid, ampdu, mpdu_density, bawin_size, mimops, dmalen, ndmasegs,
4782 (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);
4783
4784 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4785 BUS_DMASYNC_PREWRITE);
4786 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4787 BUS_DMASYNC_PREWRITE);
4788 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4789 BUS_DMASYNC_PREWRITE);
4790
4791 ring->desc_queued++;
4792 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4793
4794 ring->data_queued++;
4795 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4796
4797 /* kick Tx */
4798
4799 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4800
4801 return 0;
4802 }
4803
4804 /*
4805 * rt2860_tx_raw
4806 */
4807 static int rt2860_tx_raw(struct rt2860_softc *sc,
4808 struct mbuf *m, struct ieee80211_node *ni,
4809 const struct ieee80211_bpf_params *params)
4810 {
4811 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4812 "%s: Tx raw\n",
4813 device_get_nameunit(sc->dev));
4814
4815 return 0;
4816 }
4817
4818 /*
4819 * rt2860_intr
4820 */
4821 static void rt2860_intr(void *arg)
4822 {
4823 struct rt2860_softc *sc;
4824 struct ifnet *ifp;
4825 uint32_t status;
4826
4827 sc = arg;
4828 ifp = sc->ifp;
4829
4830 /* acknowledge interrupts */
4831
4832 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4833 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4834
4835 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4836 "%s: interrupt: status = 0x%08x\n",
4837 device_get_nameunit(sc->dev), status);
4838
4839 if (status == 0xffffffff || /* device likely went away */
4840 status == 0) /* not for us */
4841 return;
4842
4843 sc->interrupts++;
4844
4845 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4846 return;
4847
4848 if (status & RT2860_REG_INT_TX_COHERENT)
4849 rt2860_tx_coherent_intr(sc);
4850
4851 if (status & RT2860_REG_INT_RX_COHERENT)
4852 rt2860_rx_coherent_intr(sc);
4853
4854 if (status & RT2860_REG_INT_TXRX_COHERENT)
4855 rt2860_txrx_coherent_intr(sc);
4856
4857 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4858 rt2860_fifo_sta_full_intr(sc);
4859
4860 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4861 rt2860_tx_intr(sc, 5);
4862
4863 if (status & RT2860_REG_INT_RX_DONE)
4864 rt2860_rx_intr(sc);
4865
4866 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4867 rt2860_rx_delay_intr(sc);
4868
4869 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4870 rt2860_tx_intr(sc, 4);
4871
4872 if (status & RT2860_REG_INT_TX_AC3_DONE)
4873 rt2860_tx_intr(sc, 3);
4874
4875 if (status & RT2860_REG_INT_TX_AC2_DONE)
4876 rt2860_tx_intr(sc, 2);
4877
4878 if (status & RT2860_REG_INT_TX_AC1_DONE)
4879 rt2860_tx_intr(sc, 1);
4880
4881 if (status & RT2860_REG_INT_TX_AC0_DONE)
4882 rt2860_tx_intr(sc, 0);
4883
4884 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4885 rt2860_tx_delay_intr(sc);
4886
4887 if (status & RT2860_REG_INT_PRE_TBTT)
4888 rt2860_pre_tbtt_intr(sc);
4889
4890 if (status & RT2860_REG_INT_TBTT)
4891 rt2860_tbtt_intr(sc);
4892
4893 if (status & RT2860_REG_INT_MCU_CMD)
4894 rt2860_mcu_cmd_intr(sc);
4895
4896 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4897 rt2860_auto_wakeup_intr(sc);
4898
4899 if (status & RT2860_REG_INT_GP_TIMER)
4900 rt2860_gp_timer_intr(sc);
4901 }
4902
4903 /*
4904 * rt2860_tx_coherent_intr
4905 */
4906 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4907 {
4908 uint32_t tmp;
4909 int i;
4910
4911 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4912 "%s: Tx coherent interrupt\n",
4913 device_get_nameunit(sc->dev));
4914
4915 sc->tx_coherent_interrupts++;
4916
4917 /* restart DMA engine */
4918
4919 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4920
4921 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4922 RT2860_REG_RX_DMA_ENABLE |
4923 RT2860_REG_TX_DMA_ENABLE);
4924
4925 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4926
4927 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4928
4929 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4930 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4931
4932 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4933 {
4934 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4935 sc->tx_ring[i].desc_phys_addr);
4936 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4937 RT2860_SOFTC_TX_RING_DESC_COUNT);
4938 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4939 }
4940
4941 /* init Rx ring */
4942
4943 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4944
4945 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4946 sc->rx_ring.desc_phys_addr);
4947 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4948 RT2860_SOFTC_RX_RING_DATA_COUNT);
4949 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4950 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4951
4952 rt2860_txrx_enable(sc);
4953 }
4954
4955 /*
4956 * rt2860_rx_coherent_intr
4957 */
4958 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4959 {
4960 uint32_t tmp;
4961 int i;
4962
4963 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4964 "%s: Rx coherent interrupt\n",
4965 device_get_nameunit(sc->dev));
4966
4967 sc->rx_coherent_interrupts++;
4968
4969 /* restart DMA engine */
4970
4971 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4972
4973 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4974 RT2860_REG_RX_DMA_ENABLE |
4975 RT2860_REG_TX_DMA_ENABLE);
4976
4977 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4978
4979 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4980
4981 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4982 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4983
4984 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4985 {
4986 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4987 sc->tx_ring[i].desc_phys_addr);
4988 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4989 RT2860_SOFTC_TX_RING_DESC_COUNT);
4990 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4991 }
4992
4993 /* init Rx ring */
4994
4995 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4996
4997 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4998 sc->rx_ring.desc_phys_addr);
4999 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5000 RT2860_SOFTC_RX_RING_DATA_COUNT);
5001 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5002 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5003
5004 rt2860_txrx_enable(sc);
5005 }
5006
5007 /*
5008 * rt2860_txrx_coherent_intr
5009 */
5010 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
5011 {
5012 uint32_t tmp;
5013 int i;
5014
5015 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5016 "%s: Tx/Rx coherent interrupt\n",
5017 device_get_nameunit(sc->dev));
5018
5019 sc->txrx_coherent_interrupts++;
5020
5021 /* restart DMA engine */
5022
5023 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5024
5025 tmp &= ~(RT2860_REG_TX_WB_DDONE |
5026 RT2860_REG_RX_DMA_ENABLE |
5027 RT2860_REG_TX_DMA_ENABLE);
5028
5029 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5030
5031 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
5032
5033 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5034 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
5035
5036 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5037 {
5038 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
5039 sc->tx_ring[i].desc_phys_addr);
5040 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
5041 RT2860_SOFTC_TX_RING_DESC_COUNT);
5042 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
5043 }
5044
5045 /* init Rx ring */
5046
5047 rt2860_reset_rx_ring(sc, &sc->rx_ring);
5048
5049 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
5050 sc->rx_ring.desc_phys_addr);
5051 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5052 RT2860_SOFTC_RX_RING_DATA_COUNT);
5053 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5054 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5055
5056 rt2860_txrx_enable(sc);
5057 }
5058
5059 /*
5060 * rt2860_fifo_sta_full_intr
5061 */
5062 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
5063 {
5064 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5065 "%s: FIFO statistic full interrupt\n",
5066 device_get_nameunit(sc->dev));
5067
5068 sc->fifo_sta_full_interrupts++;
5069
5070 RT2860_SOFTC_LOCK(sc);
5071
5072 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
5073 {
5074 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5075
5076 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5077 }
5078
5079 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
5080
5081 RT2860_SOFTC_UNLOCK(sc);
5082 }
5083
5084 /*
5085 * rt2860_rx_intr
5086 */
5087 static void rt2860_rx_intr(struct rt2860_softc *sc)
5088 {
5089 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5090 "%s: Rx interrupt\n",
5091 device_get_nameunit(sc->dev));
5092
5093 sc->rx_interrupts++;
5094
5095 RT2860_SOFTC_LOCK(sc);
5096
5097 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
5098 {
5099 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
5100
5101 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5102 }
5103
5104 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
5105
5106 RT2860_SOFTC_UNLOCK(sc);
5107 }
5108
5109 /*
5110 * rt2860_rx_delay_intr
5111 */
5112 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
5113 {
5114 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5115 "%s: Rx delay interrupt\n",
5116 device_get_nameunit(sc->dev));
5117
5118 sc->rx_delay_interrupts++;
5119 }
5120
5121 /*
5122 * rt2860_tx_intr
5123 */
5124 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
5125 {
5126 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
5127 ("%s: Tx interrupt: invalid qid=%d\n",
5128 device_get_nameunit(sc->dev), qid));
5129
5130 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5131 "%s: Tx interrupt: qid=%d\n",
5132 device_get_nameunit(sc->dev), qid);
5133
5134 sc->tx_interrupts[qid]++;
5135
5136 RT2860_SOFTC_LOCK(sc);
5137
5138 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
5139 {
5140 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
5141
5142 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5143 }
5144
5145 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
5146
5147 RT2860_SOFTC_UNLOCK(sc);
5148 }
5149
5150 /*
5151 * rt2860_tx_delay_intr
5152 */
5153 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
5154 {
5155 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5156 "%s: Tx delay interrupt\n",
5157 device_get_nameunit(sc->dev));
5158
5159 sc->tx_delay_interrupts++;
5160 }
5161
5162 /*
5163 * rt2860_pre_tbtt_intr
5164 */
5165 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
5166 {
5167 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5168 "%s: Pre-TBTT interrupt\n",
5169 device_get_nameunit(sc->dev));
5170
5171 sc->pre_tbtt_interrupts++;
5172 }
5173
5174 /*
5175 * rt2860_tbtt_intr
5176 */
5177 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
5178 {
5179 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5180 "%s: TBTT interrupt\n",
5181 device_get_nameunit(sc->dev));
5182
5183 sc->tbtt_interrupts++;
5184 }
5185
5186 /*
5187 * rt2860_mcu_cmd_intr
5188 */
5189 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
5190 {
5191 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5192 "%s: MCU command interrupt\n",
5193 device_get_nameunit(sc->dev));
5194
5195 sc->mcu_cmd_interrupts++;
5196 }
5197
5198 /*
5199 * rt2860_auto_wakeup_intr
5200 */
5201 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
5202 {
5203 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5204 "%s: auto wakeup interrupt\n",
5205 device_get_nameunit(sc->dev));
5206
5207 sc->auto_wakeup_interrupts++;
5208 }
5209
5210 /*
5211 * rt2860_gp_timer_intr
5212 */
5213 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
5214 {
5215 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5216 "%s: GP timer interrupt\n",
5217 device_get_nameunit(sc->dev));
5218
5219 sc->gp_timer_interrupts++;
5220 }
5221
5222 /*
5223 * rt2860_rx_done_task
5224 */
5225 static void rt2860_rx_done_task(void *context, int pending)
5226 {
5227 struct rt2860_softc *sc;
5228 struct ifnet *ifp;
5229 int again;
5230
5231 sc = context;
5232 ifp = sc->ifp;
5233
5234 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5235 "%s: Rx done task\n",
5236 device_get_nameunit(sc->dev));
5237
5238 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5239 return;
5240
5241 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
5242
5243 again = rt2860_rx_eof(sc, sc->rx_process_limit);
5244
5245 RT2860_SOFTC_LOCK(sc);
5246
5247 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
5248 {
5249 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5250 "%s: Rx done task: scheduling again\n",
5251 device_get_nameunit(sc->dev));
5252
5253 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5254 }
5255 else
5256 {
5257 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
5258 }
5259
5260 RT2860_SOFTC_UNLOCK(sc);
5261 }
5262
5263 /*
5264 * rt2860_tx_done_task
5265 */
5266 static void rt2860_tx_done_task(void *context, int pending)
5267 {
5268 struct rt2860_softc *sc;
5269 struct ifnet *ifp;
5270 uint32_t intr_mask;
5271 int i;
5272
5273 sc = context;
5274 ifp = sc->ifp;
5275
5276 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5277 "%s: Tx done task\n",
5278 device_get_nameunit(sc->dev));
5279
5280 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5281 return;
5282
5283 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
5284 {
5285 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
5286 {
5287 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
5288
5289 rt2860_tx_eof(sc, &sc->tx_ring[i]);
5290 }
5291 }
5292
5293 sc->tx_timer = 0;
5294
5295 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5296
5297 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
5298 RT2860_REG_INT_TX_HCCA_DONE |
5299 RT2860_REG_INT_TX_AC3_DONE |
5300 RT2860_REG_INT_TX_AC2_DONE |
5301 RT2860_REG_INT_TX_AC1_DONE |
5302 RT2860_REG_INT_TX_AC0_DONE);
5303
5304 RT2860_SOFTC_LOCK(sc);
5305
5306 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
5307 (sc->intr_disable_mask & intr_mask));
5308
5309 if (sc->intr_pending_mask & intr_mask)
5310 {
5311 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5312 "%s: Tx done task: scheduling again\n",
5313 device_get_nameunit(sc->dev));
5314
5315 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5316 }
5317
5318 RT2860_SOFTC_UNLOCK(sc);
5319
5320 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5321 rt2860_start(ifp);
5322 }
5323
5324 /*
5325 * rt2860_fifo_sta_full_task
5326 */
5327 static void rt2860_fifo_sta_full_task(void *context, int pending)
5328 {
5329 struct rt2860_softc *sc;
5330 struct ifnet *ifp;
5331
5332 sc = context;
5333 ifp = sc->ifp;
5334
5335 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5336 "%s: FIFO statistic full task\n",
5337 device_get_nameunit(sc->dev));
5338
5339 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5340 return;
5341
5342 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
5343
5344 rt2860_drain_fifo_stats(sc);
5345
5346 RT2860_SOFTC_LOCK(sc);
5347
5348 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
5349 {
5350 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5351 "%s: FIFO statistic full task: scheduling again\n",
5352 device_get_nameunit(sc->dev));
5353
5354 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5355 }
5356 else
5357 {
5358 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5359 }
5360
5361 RT2860_SOFTC_UNLOCK(sc);
5362
5363 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5364 rt2860_start(ifp);
5365 }
5366
5367 /*
5368 * rt2860_periodic_task
5369 */
5370 static void rt2860_periodic_task(void *context, int pending)
5371 {
5372 struct rt2860_softc *sc;
5373 struct ifnet *ifp;
5374 struct ieee80211com *ic;
5375 struct ieee80211vap *vap;
5376
5377 sc = context;
5378 ifp = sc->ifp;
5379 ic = ifp->if_l2com;
5380 vap = TAILQ_FIRST(&ic->ic_vaps);
5381
5382 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5383 "%s: periodic task: round=%lu\n",
5384 device_get_nameunit(sc->dev), sc->periodic_round);
5385
5386 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5387 return;
5388
5389 RT2860_SOFTC_LOCK(sc);
5390
5391 sc->periodic_round++;
5392
5393 rt2860_update_stats(sc);
5394
5395 if ((sc->periodic_round % 10) == 0)
5396 {
5397 rt2860_bbp_tuning(sc);
5398
5399 rt2860_update_raw_counters(sc);
5400
5401 rt2860_watchdog(sc);
5402
5403 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5404 {
5405 if (vap->iv_opmode == IEEE80211_M_STA)
5406 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5407 else
5408 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5409 }
5410 }
5411
5412 RT2860_SOFTC_UNLOCK(sc);
5413
5414 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5415 }
5416
5417 /*
5418 * rt2860_rx_eof
5419 */
5420 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5421 {
5422 struct ifnet *ifp;
5423 struct ieee80211com *ic;
5424 struct ieee80211_frame *wh;
5425 struct ieee80211_node *ni;
5426 struct rt2860_softc_node *rni;
5427 struct rt2860_softc_rx_radiotap_header *tap;
5428 struct rt2860_softc_rx_ring *ring;
5429 struct rt2860_rxdesc *desc;
5430 struct rt2860_softc_rx_data *data;
5431 struct rt2860_rxwi *rxwi;
5432 struct mbuf *m, *mnew;
5433 bus_dma_segment_t segs[1];
5434 bus_dmamap_t dma_map;
5435 uint32_t index, desc_flags;
5436 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
5437 uint16_t seq;
5438 int8_t rssi_dbm;
5439 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5440
5441 ifp = sc->ifp;
5442 ic = ifp->if_l2com;
5443 ring = &sc->rx_ring;
5444
5445 nframes = 0;
5446
5447 while (limit != 0)
5448 {
5449 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5450 if (ring->cur == index)
5451 break;
5452
5453 desc = &ring->desc[ring->cur];
5454 data = &ring->data[ring->cur];
5455
5456 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5457 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5458
5459 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5460 break;
5461
5462 nframes++;
5463
5464 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5465 if (mnew == NULL)
5466 {
5467 sc->rx_mbuf_alloc_errors++;
5468 ifp->if_ierrors++;
5469 goto skip;
5470 }
5471
5472 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5473
5474 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5475 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5476 if (error != 0)
5477 {
5478 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5479 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5480 device_get_nameunit(sc->dev), error, nsegs);
5481
5482 m_freem(mnew);
5483
5484 sc->rx_mbuf_dmamap_errors++;
5485 ifp->if_ierrors++;
5486
5487 goto skip;
5488 }
5489
5490 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5491 device_get_nameunit(sc->dev)));
5492
5493 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5494 BUS_DMASYNC_POSTREAD);
5495 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5496
5497 dma_map = data->dma_map;
5498 data->dma_map = ring->spare_dma_map;
5499 ring->spare_dma_map = dma_map;
5500
5501 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5502 BUS_DMASYNC_PREREAD);
5503
5504 m = data->m;
5505
5506 data->m = mnew;
5507 desc->sdp0 = htole32(segs[0].ds_addr);
5508
5509 desc_flags = le32toh(desc->flags);
5510
5511 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5512 "%s: Rx frame: rxdesc flags=0x%08x\n",
5513 device_get_nameunit(sc->dev), desc_flags);
5514
5515 /* get Rx wireless info */
5516
5517 rxwi = mtod(m, struct rt2860_rxwi *);
5518 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5519 RT2860_RXWI_SIZE_MASK;
5520
5521 /* check for L2 padding between IEEE 802.11 frame header and body */
5522
5523 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5524 {
5525 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5526 "%s: L2 padding: len=%d\n",
5527 device_get_nameunit(sc->dev), len);
5528
5529 len += 2;
5530 }
5531
5532 m->m_pkthdr.rcvif = ifp;
5533 m->m_data = (caddr_t) (rxwi + 1);
5534 m->m_pkthdr.len = m->m_len = len;
5535
5536 /* check for crc errors */
5537
5538 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5539 {
5540 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5541 "%s: rxdesc: crc error\n",
5542 device_get_nameunit(sc->dev));
5543
5544 ifp->if_ierrors++;
5545
5546 if (!(ifp->if_flags & IFF_PROMISC))
5547 {
5548 m_freem(m);
5549 goto skip;
5550 }
5551 }
5552
5553 wh = (struct ieee80211_frame *) (rxwi + 1);
5554
5555 /* check for cipher errors */
5556
5557 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5558 {
5559 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5560 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5561 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5562 {
5563 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5564 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5565
5566 m->m_flags |= M_WEP;
5567
5568 sc->rx_cipher_no_errors++;
5569 }
5570 else
5571 {
5572 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5573 "%s: rxdesc: cipher error=0x%02x\n",
5574 device_get_nameunit(sc->dev), cipher_err);
5575
5576 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5577 sc->rx_cipher_icv_errors++;
5578 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5579 sc->rx_cipher_mic_errors++;
5580 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5581 sc->rx_cipher_invalid_key_errors++;
5582
5583 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5584 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5585 {
5586 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5587 if (ni != NULL)
5588 {
5589 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5590 RT2860_RXWI_KEYIDX_MASK;
5591
5592 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5593
5594 ieee80211_free_node(ni);
5595 }
5596 }
5597
5598 ifp->if_ierrors++;
5599
5600 if (!(ifp->if_flags & IFF_PROMISC))
5601 {
5602 m_free(m);
5603 goto skip;
5604 }
5605 }
5606 }
5607 else
5608 {
5609 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5610 {
5611 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5612 "%s: rxdesc: not decrypted but protected flag set\n",
5613 device_get_nameunit(sc->dev));
5614
5615 ifp->if_ierrors++;
5616
5617 if (!(ifp->if_flags & IFF_PROMISC))
5618 {
5619 m_free(m);
5620 goto skip;
5621 }
5622 }
5623 }
5624
5625 /* check for A-MPDU */
5626
5627 if (desc_flags & RT2860_RXDESC_FLAGS_BA)
5628 {
5629 m->m_flags |= M_AMPDU;
5630
5631 sc->rx_ampdu++;
5632
5633 ampdu = 1;
5634 }
5635 else
5636 {
5637 ampdu = 0;
5638 }
5639
5640 /* check for A-MSDU */
5641
5642 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5643 {
5644 sc->rx_amsdu++;
5645
5646 amsdu = 1;
5647 }
5648 else
5649 {
5650 amsdu = 0;
5651 }
5652
5653 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5654 rssi = rxwi->rssi[ant];
5655 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5656 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5657 RT2860_RXWI_PHYMODE_MASK);
5658 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5659 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5660 RT2860_RXWI_SHORTGI_MASK);
5661 stbc = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_STBC_SHIFT) &
5662 RT2860_RXWI_STBC_MASK);
5663 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5664 tid = ((rxwi->tid_size >> RT2860_RXWI_TID_SHIFT) & RT2860_RXWI_TID_MASK);
5665 seq = ((rxwi->seq_frag >> RT2860_RXWI_SEQ_SHIFT) & RT2860_RXWI_SEQ_MASK);
5666 frag = ((rxwi->seq_frag >> RT2860_RXWI_FRAG_SHIFT) & RT2860_RXWI_FRAG_MASK);
5667
5668 if (ieee80211_radiotap_active(ic))
5669 {
5670 tap = &sc->rxtap;
5671
5672 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5673 tap->dbm_antsignal = rssi_dbm;
5674 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5675 tap->antenna = ant;
5676 tap->antsignal = rssi;
5677 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5678 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5679 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5680 tap->chan_maxpow = 0;
5681
5682 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5683 tap->rate = mcs | IEEE80211_RATE_MCS;
5684 else
5685 tap->rate = rt2860_rxrate(rxwi);
5686
5687 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5688 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5689
5690 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5691 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5692
5693 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5694 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5695
5696 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5697 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5698 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5699
5700 if (shortgi)
5701 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5702 }
5703
5704 /*
5705 * net80211 assumes that RSSI data are in the range [-127..127] and
5706 * in .5 dBm units relative to the current noise floor
5707 */
5708
5709 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5710 if (rssi_dbm_rel > 127)
5711 rssi_dbm_rel = 127;
5712
5713 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5714 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
5715 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
5716 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5717 device_get_nameunit(sc->dev),
5718 len, phymode, bw, shortgi, stbc, mcs,
5719 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5720 rxwi->snr[0], rxwi->snr[1],
5721 rxwi->wcid, ampdu, amsdu, tid, seq, frag, rssi_dbm, rssi_dbm_rel);
5722
5723 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5724 if (ni != NULL)
5725 {
5726 rni = (struct rt2860_softc_node *) ni;
5727
5728 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5729 {
5730 rni->last_rssi[i] = rxwi->rssi[i];
5731 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5732 }
5733
5734 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5735 ieee80211_free_node(ni);
5736 }
5737 else
5738 {
5739 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5740 }
5741
5742 skip:
5743
5744 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5745
5746 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5747 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5748
5749 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5750
5751 limit--;
5752 }
5753
5754 if (ring->cur == 0)
5755 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5756 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5757 else
5758 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5759 ring->cur - 1);
5760
5761 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5762 "%s: Rx eof: nframes=%d\n",
5763 device_get_nameunit(sc->dev), nframes);
5764
5765 sc->rx_packets += nframes;
5766
5767 return (limit == 0);
5768 }
5769
5770 /*
5771 * rt2860_tx_eof
5772 */
5773 static void rt2860_tx_eof(struct rt2860_softc *sc,
5774 struct rt2860_softc_tx_ring *ring)
5775 {
5776 struct ifnet *ifp;
5777 struct rt2860_txdesc *desc;
5778 struct rt2860_softc_tx_data *data;
5779 uint32_t index;
5780 int ndescs, nframes;
5781
5782 ifp = sc->ifp;
5783
5784 ndescs = 0;
5785 nframes = 0;
5786
5787 for (;;)
5788 {
5789 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5790 if (ring->desc_next == index)
5791 break;
5792
5793 ndescs++;
5794
5795 rt2860_drain_fifo_stats(sc);
5796
5797 desc = &ring->desc[ring->desc_next];
5798
5799 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5800 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5801
5802 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5803 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5804 {
5805 nframes++;
5806
5807 data = &ring->data[ring->data_next];
5808
5809 if (data->m->m_flags & M_TXCB)
5810 ieee80211_process_callback(data->ni, data->m, 0);
5811
5812 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5813 BUS_DMASYNC_POSTWRITE);
5814 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5815
5816 m_freem(data->m);
5817
5818 ieee80211_free_node(data->ni);
5819
5820 data->m = NULL;
5821 data->ni = NULL;
5822
5823 ifp->if_opackets++;
5824
5825 RT2860_SOFTC_TX_RING_LOCK(ring);
5826
5827 ring->data_queued--;
5828 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5829
5830 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5831 }
5832
5833 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5834
5835 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5836 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5837
5838 RT2860_SOFTC_TX_RING_LOCK(ring);
5839
5840 ring->desc_queued--;
5841 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5842
5843 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5844 }
5845
5846 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5847 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5848 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5849 }
5850
5851 /*
5852 * rt2860_update_stats
5853 */
5854 static void rt2860_update_stats(struct rt2860_softc *sc)
5855 {
5856 struct ifnet *ifp;
5857 struct ieee80211com *ic;
5858 uint32_t stacnt[3];
5859 int beacons, noretryok, retryok, failed, underflows, zerolen;
5860
5861 ifp = sc->ifp;
5862 ic = ifp->if_l2com;
5863
5864 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5865 "%s: update statistic\n",
5866 device_get_nameunit(sc->dev));
5867
5868 rt2860_drain_fifo_stats(sc);
5869
5870 /* read and clear Tx statistic registers */
5871
5872 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5873 stacnt, sizeof(stacnt));
5874
5875 stacnt[0] = le32toh(stacnt[0]);
5876 stacnt[1] = le32toh(stacnt[1]);
5877 stacnt[2] = le32toh(stacnt[2]);
5878
5879 beacons = stacnt[0] >> 16;
5880 noretryok = stacnt[1] & 0xffff;
5881 retryok = stacnt[1] >> 16;
5882 failed = stacnt[0] & 0xffff;
5883 underflows = stacnt[2] >> 16;
5884 zerolen = stacnt[2] & 0xffff;
5885
5886 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5887 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5888 device_get_nameunit(sc->dev),
5889 beacons, noretryok, retryok, failed, underflows, zerolen);
5890
5891 ifp->if_oerrors += failed;
5892
5893 sc->tx_beacons += beacons;
5894 sc->tx_noretryok += noretryok;
5895 sc->tx_retryok += retryok;
5896 sc->tx_failed += failed;
5897 sc->tx_underflows += underflows;
5898 sc->tx_zerolen += zerolen;
5899 }
5900
5901 /*
5902 * rt2860_bbp_tuning
5903 */
5904 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5905 {
5906 struct ifnet *ifp;
5907 struct ieee80211com *ic;
5908 struct ieee80211vap *vap;
5909 struct ieee80211_node *ni;
5910 int chan, group;
5911 int8_t rssi, old, new;
5912
5913 /* RT2860C does not support BBP tuning */
5914
5915 if (sc->mac_rev == 0x28600100)
5916 return;
5917
5918 ifp = sc->ifp;
5919 ic = ifp->if_l2com;
5920 vap = TAILQ_FIRST(&ic->ic_vaps);
5921
5922 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5923 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5924 return;
5925
5926 ni = vap->iv_bss;
5927
5928 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5929
5930 if (chan <= 14)
5931 group = 0;
5932 else if (chan <= 64)
5933 group = 1;
5934 else if (chan <= 128)
5935 group = 2;
5936 else
5937 group = 3;
5938
5939 rssi = ieee80211_getrssi(vap);
5940
5941 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5942 {
5943 new = 0x2e + sc->lna_gain[group];
5944 }
5945 else
5946 {
5947 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5948 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5949 else
5950 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5951 }
5952
5953 /* Tune if absolute average RSSI is greater than -80 */
5954
5955 if (rssi > 30)
5956 new += 0x10;
5957
5958 old = rt2860_io_bbp_read(sc, 66);
5959
5960 if (old != new)
5961 rt2860_io_bbp_write(sc, 66, new);
5962 }
5963
5964 /*
5965 * rt2860_watchdog
5966 */
5967 static void rt2860_watchdog(struct rt2860_softc *sc)
5968 {
5969 uint32_t tmp;
5970 int ntries;
5971
5972 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5973
5974 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5975 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5976 device_get_nameunit(sc->dev), tmp);
5977
5978 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5979 {
5980 sc->tx_queue_not_empty[0]++;
5981
5982 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5983
5984 for (ntries = 0; ntries < 10; ntries++)
5985 {
5986 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5987 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5988 break;
5989
5990 DELAY(1);
5991 }
5992
5993 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5994 }
5995
5996 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5997 {
5998 sc->tx_queue_not_empty[1]++;
5999
6000 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
6001
6002 for (ntries = 0; ntries < 10; ntries++)
6003 {
6004 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
6005 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
6006 break;
6007
6008 DELAY(1);
6009 }
6010
6011 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
6012 }
6013 }
6014
6015 /*
6016 * rt2860_drain_fifo_stats
6017 */
6018 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
6019 {
6020 struct ifnet *ifp;
6021 uint32_t stats;
6022 uint8_t wcid, mcs, pid;
6023 int ok, agg, retrycnt;
6024
6025 ifp = sc->ifp;
6026
6027 /* drain Tx status FIFO (maxsize = 16) */
6028
6029 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
6030 RT2860_REG_TX_STA_FIFO_VALID)
6031 {
6032 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
6033 RT2860_REG_TX_STA_FIFO_WCID_MASK;
6034
6035 /* if no ACK was requested, no feedback is available */
6036
6037 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
6038 continue;
6039
6040 /* update AMRR statistic */
6041
6042 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
6043 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
6044 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
6045 RT2860_REG_TX_STA_FIFO_MCS_MASK;
6046 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
6047 RT2860_REG_TX_STA_FIFO_PID_MASK;
6048 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
6049
6050 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
6051 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
6052 device_get_nameunit(sc->dev),
6053 wcid, ok, agg, mcs, pid, retrycnt);
6054
6055 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
6056
6057 if (!ok)
6058 ifp->if_oerrors++;
6059 }
6060 }
6061
6062 /*
6063 * rt2860_update_raw_counters
6064 */
6065 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
6066 {
6067 uint32_t tmp;
6068
6069 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
6070
6071 sc->tx_nonagg += tmp & 0xffff;
6072 sc->tx_agg += tmp >> 16;
6073
6074 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
6075
6076 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
6077
6078 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
6079
6080 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
6081
6082 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
6083
6084 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
6085
6086 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
6087
6088 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6089
6090 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
6091
6092 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6093
6094 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
6095
6096 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6097
6098 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
6099
6100 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6101
6102 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
6103
6104 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6105
6106 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
6107
6108 sc->rx_crc_errors += tmp & 0xffff;
6109 sc->rx_phy_errors += tmp >> 16;
6110
6111 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
6112
6113 sc->rx_false_ccas += tmp & 0xffff;
6114 sc->rx_plcp_errors += tmp >> 16;
6115
6116 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
6117
6118 sc->rx_dup_packets += tmp & 0xffff;
6119 sc->rx_fifo_overflows += tmp >> 16;
6120
6121 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
6122
6123 sc->tx_mpdu_zero_density += tmp & 0xffff;
6124 sc->rx_mpdu_zero_density += tmp >> 16;
6125 }
6126
6127 /*
6128 * rt2860_intr_enable
6129 */
6130 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
6131 {
6132 uint32_t tmp;
6133
6134 sc->intr_disable_mask &= ~intr_mask;
6135
6136 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6137
6138 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6139 }
6140
6141 /*
6142 * rt2860_intr_disable
6143 */
6144 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
6145 {
6146 uint32_t tmp;
6147
6148 sc->intr_disable_mask |= intr_mask;
6149
6150 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6151
6152 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6153 }
6154
6155 /*
6156 * rt2860_txrx_enable
6157 */
6158 static int rt2860_txrx_enable(struct rt2860_softc *sc)
6159 {
6160 struct ieee80211com *ic;
6161 struct ifnet *ifp;
6162 uint32_t tmp;
6163 int ntries;
6164
6165 ifp = sc->ifp;
6166 ic = ifp->if_l2com;
6167
6168 /* enable Tx/Rx DMA engine */
6169
6170 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
6171
6172 for (ntries = 0; ntries < 200; ntries++)
6173 {
6174 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
6175 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
6176 break;
6177
6178 DELAY(1000);
6179 }
6180
6181 if (ntries == 200)
6182 {
6183 printf("%s: timeout waiting for DMA engine\n",
6184 device_get_nameunit(sc->dev));
6185 return -1;
6186 }
6187
6188 DELAY(50);
6189
6190 tmp |= RT2860_REG_TX_WB_DDONE |
6191 RT2860_REG_RX_DMA_ENABLE |
6192 RT2860_REG_TX_DMA_ENABLE |
6193 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
6194
6195 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6196
6197 /* set Rx filter */
6198
6199 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
6200 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
6201
6202 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6203 {
6204 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
6205 RT2860_REG_RX_FILTER_DROP_CTS |
6206 RT2860_REG_RX_FILTER_DROP_BA |
6207 RT2860_REG_RX_FILTER_DROP_ACK |
6208 RT2860_REG_RX_FILTER_DROP_VER_ERR |
6209 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
6210 RT2860_REG_RX_FILTER_DROP_CFACK |
6211 RT2860_REG_RX_FILTER_DROP_CFEND;
6212
6213 if (ic->ic_opmode == IEEE80211_M_STA)
6214 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
6215 RT2860_REG_RX_FILTER_DROP_PSPOLL;
6216
6217 if (!(ifp->if_flags & IFF_PROMISC))
6218 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
6219 }
6220
6221 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
6222
6223 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
6224 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
6225
6226 return 0;
6227 }
6228
6229 /*
6230 * rt2860_alloc_rx_ring
6231 */
6232 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
6233 struct rt2860_softc_rx_ring *ring)
6234 {
6235 struct rt2860_rxdesc *desc;
6236 struct rt2860_softc_rx_data *data;
6237 bus_dma_segment_t segs[1];
6238 int i, nsegs, error;
6239
6240 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6241 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6242 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
6243 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6244 0, NULL, NULL, &ring->desc_dma_tag);
6245 if (error != 0)
6246 {
6247 printf("%s: could not create Rx desc DMA tag\n",
6248 device_get_nameunit(sc->dev));
6249 goto fail;
6250 }
6251
6252 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6253 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6254 if (error != 0)
6255 {
6256 printf("%s: could not allocate Rx desc DMA memory\n",
6257 device_get_nameunit(sc->dev));
6258 goto fail;
6259 }
6260
6261 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6262 ring->desc,
6263 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6264 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6265 if (error != 0)
6266 {
6267 printf("%s: could not load Rx desc DMA map\n",
6268 device_get_nameunit(sc->dev));
6269 goto fail;
6270 }
6271
6272 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6273 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6274 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
6275 &ring->data_dma_tag);
6276 if (error != 0)
6277 {
6278 printf("%s: could not create Rx data DMA tag\n",
6279 device_get_nameunit(sc->dev));
6280 goto fail;
6281 }
6282
6283 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6284 {
6285 desc = &ring->desc[i];
6286 data = &ring->data[i];
6287
6288 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6289 if (error != 0)
6290 {
6291 printf("%s: could not create Rx data DMA map\n",
6292 device_get_nameunit(sc->dev));
6293 goto fail;
6294 }
6295
6296 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
6297 if (data->m == NULL)
6298 {
6299 printf("%s: could not allocate Rx mbuf\n",
6300 device_get_nameunit(sc->dev));
6301 error = ENOMEM;
6302 goto fail;
6303 }
6304
6305 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
6306
6307 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
6308 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
6309 if (error != 0)
6310 {
6311 printf("%s: could not load Rx mbuf DMA map\n",
6312 device_get_nameunit(sc->dev));
6313 goto fail;
6314 }
6315
6316 KASSERT(nsegs == 1, ("%s: too many DMA segments",
6317 device_get_nameunit(sc->dev)));
6318
6319 desc->sdp0 = htole32(segs[0].ds_addr);
6320 desc->sdl0 = htole16(MJUMPAGESIZE);
6321 }
6322
6323 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
6324 if (error != 0)
6325 {
6326 printf("%s: could not create Rx spare DMA map\n",
6327 device_get_nameunit(sc->dev));
6328 goto fail;
6329 }
6330
6331 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6332 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6333
6334 return 0;
6335
6336 fail:
6337
6338 rt2860_free_rx_ring(sc, ring);
6339
6340 return error;
6341 }
6342
6343 /*
6344 * rt2860_reset_rx_ring
6345 */
6346 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
6347 struct rt2860_softc_rx_ring *ring)
6348 {
6349 struct rt2860_rxdesc *desc;
6350 int i;
6351
6352 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6353 {
6354 desc = &ring->desc[i];
6355
6356 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
6357 }
6358
6359 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6360 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6361
6362 ring->cur = 0;
6363 }
6364
6365 /*
6366 * rt2860_free_rx_ring
6367 */
6368 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
6369 struct rt2860_softc_rx_ring *ring)
6370 {
6371 struct rt2860_softc_rx_data *data;
6372 int i;
6373
6374 if (ring->desc != NULL)
6375 {
6376 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6377 BUS_DMASYNC_POSTWRITE);
6378 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6379 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6380 ring->desc_dma_map);
6381 }
6382
6383 if (ring->desc_dma_tag != NULL)
6384 bus_dma_tag_destroy(ring->desc_dma_tag);
6385
6386 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6387 {
6388 data = &ring->data[i];
6389
6390 if (data->m != NULL)
6391 {
6392 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6393 BUS_DMASYNC_POSTREAD);
6394 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6395 m_freem(data->m);
6396 }
6397
6398 if (data->dma_map != NULL)
6399 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6400 }
6401
6402 if (ring->spare_dma_map != NULL)
6403 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6404
6405 if (ring->data_dma_tag != NULL)
6406 bus_dma_tag_destroy(ring->data_dma_tag);
6407 }
6408
6409 /*
6410 * rt2860_alloc_tx_ring
6411 */
6412 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6413 struct rt2860_softc_tx_ring *ring, int qid)
6414 {
6415 struct rt2860_softc_tx_data *data;
6416 int error, i;
6417
6418 mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF);
6419
6420 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6421 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6422 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6423 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6424 0, NULL, NULL, &ring->desc_dma_tag);
6425 if (error != 0)
6426 {
6427 printf("%s: could not create Tx desc DMA tag\n",
6428 device_get_nameunit(sc->dev));
6429 goto fail;
6430 }
6431
6432 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6433 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6434 if (error != 0)
6435 {
6436 printf("%s: could not allocate Tx desc DMA memory\n",
6437 device_get_nameunit(sc->dev));
6438 goto fail;
6439 }
6440
6441 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6442 ring->desc,
6443 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6444 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6445 if (error != 0)
6446 {
6447 printf("%s: could not load Tx desc DMA map\n",
6448 device_get_nameunit(sc->dev));
6449 goto fail;
6450 }
6451
6452 ring->desc_queued = 0;
6453 ring->desc_cur = 0;
6454 ring->desc_next = 0;
6455
6456 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6457 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6458 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6459 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6460 0, NULL, NULL, &ring->seg0_dma_tag);
6461 if (error != 0)
6462 {
6463 printf("%s: could not create Tx seg0 DMA tag\n",
6464 device_get_nameunit(sc->dev));
6465 goto fail;
6466 }
6467
6468 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6469 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6470 if (error != 0)
6471 {
6472 printf("%s: could not allocate Tx seg0 DMA memory\n",
6473 device_get_nameunit(sc->dev));
6474 goto fail;
6475 }
6476
6477 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6478 ring->seg0,
6479 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6480 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6481 if (error != 0)
6482 {
6483 printf("%s: could not load Tx seg0 DMA map\n",
6484 device_get_nameunit(sc->dev));
6485 goto fail;
6486 }
6487
6488 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6489 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6490 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6491 &ring->data_dma_tag);
6492 if (error != 0)
6493 {
6494 printf("%s: could not create Tx data DMA tag\n",
6495 device_get_nameunit(sc->dev));
6496 goto fail;
6497 }
6498
6499 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6500 {
6501 data = &ring->data[i];
6502
6503 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6504 if (error != 0)
6505 {
6506 printf("%s: could not create Tx data DMA map\n",
6507 device_get_nameunit(sc->dev));
6508 goto fail;
6509 }
6510 }
6511
6512 ring->data_queued = 0;
6513 ring->data_cur = 0;
6514 ring->data_next = 0;
6515
6516 ring->qid = qid;
6517
6518 return 0;
6519
6520 fail:
6521
6522 rt2860_free_tx_ring(sc, ring);
6523
6524 return error;
6525 }
6526
6527 /*
6528 * rt2860_reset_tx_ring
6529 */
6530 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6531 struct rt2860_softc_tx_ring *ring)
6532 {
6533 struct rt2860_softc_tx_data *data;
6534 struct rt2860_txdesc *desc;
6535 int i;
6536
6537 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6538 {
6539 desc = &ring->desc[i];
6540
6541 desc->sdl0 = 0;
6542 desc->sdl1 = 0;
6543 }
6544
6545 ring->desc_queued = 0;
6546 ring->desc_cur = 0;
6547 ring->desc_next = 0;
6548
6549 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6550 BUS_DMASYNC_PREWRITE);
6551
6552 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6553 BUS_DMASYNC_PREWRITE);
6554
6555 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6556 {
6557 data = &ring->data[i];
6558
6559 if (data->m != NULL)
6560 {
6561 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6562 BUS_DMASYNC_POSTWRITE);
6563 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6564 m_freem(data->m);
6565 data->m = NULL;
6566 }
6567
6568 if (data->ni != NULL)
6569 {
6570 ieee80211_free_node(data->ni);
6571 data->ni = NULL;
6572 }
6573 }
6574
6575 ring->data_queued = 0;
6576 ring->data_cur = 0;
6577 ring->data_next = 0;
6578 }
6579
6580 /*
6581 * rt2860_free_tx_ring
6582 */
6583 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6584 struct rt2860_softc_tx_ring *ring)
6585 {
6586 struct rt2860_softc_tx_data *data;
6587 int i;
6588
6589 if (ring->desc != NULL)
6590 {
6591 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6592 BUS_DMASYNC_POSTWRITE);
6593 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6594 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6595 ring->desc_dma_map);
6596 }
6597
6598 if (ring->desc_dma_tag != NULL)
6599 bus_dma_tag_destroy(ring->desc_dma_tag);
6600
6601 if (ring->seg0 != NULL)
6602 {
6603 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6604 BUS_DMASYNC_POSTWRITE);
6605 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6606 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6607 ring->seg0_dma_map);
6608 }
6609
6610 if (ring->seg0_dma_tag != NULL)
6611 bus_dma_tag_destroy(ring->seg0_dma_tag);
6612
6613 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6614 {
6615 data = &ring->data[i];
6616
6617 if (data->m != NULL)
6618 {
6619 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6620 BUS_DMASYNC_POSTWRITE);
6621 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6622 m_freem(data->m);
6623 }
6624
6625 if (data->ni != NULL)
6626 ieee80211_free_node(data->ni);
6627
6628 if (data->dma_map != NULL)
6629 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6630 }
6631
6632 if (ring->data_dma_tag != NULL)
6633 bus_dma_tag_destroy(ring->data_dma_tag);
6634
6635 mtx_destroy(&ring->lock);
6636 }
6637
6638 /*
6639 * rt2860_dma_map_addr
6640 */
6641 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6642 int nseg, int error)
6643 {
6644 if (error != 0)
6645 return;
6646
6647 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6648
6649 *(bus_addr_t *) arg = segs[0].ds_addr;
6650 }
6651
6652 /*
6653 * rt2860_sysctl_attach
6654 */
6655 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6656 {
6657 struct sysctl_ctx_list *ctx;
6658 struct sysctl_oid *tree;
6659 struct sysctl_oid *stats;
6660
6661 ctx = device_get_sysctl_ctx(sc->dev);
6662 tree = device_get_sysctl_tree(sc->dev);
6663
6664 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6665 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6666 "Tx STBC");
6667
6668 /* statistic counters */
6669
6670 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6671 "stats", CTLFLAG_RD, 0, "statistic");
6672
6673 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6674 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6675 "all interrupts");
6676
6677 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6678 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6679 "Tx coherent interrupts");
6680
6681 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6682 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6683 "Rx coherent interrupts");
6684
6685 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6686 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6687 "Tx/Rx coherent interrupts");
6688
6689 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6690 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6691 "FIFO statistic full interrupts");
6692
6693 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6694 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6695 "Rx interrupts");
6696
6697 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6698 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6699 "Rx delay interrupts");
6700
6701 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6702 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6703 "Tx MGMT interrupts");
6704
6705 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6706 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6707 "Tx HCCA interrupts");
6708
6709 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6710 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6711 "Tx AC3 interrupts");
6712
6713 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6714 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6715 "Tx AC2 interrupts");
6716
6717 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6718 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6719 "Tx AC1 interrupts");
6720
6721 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6722 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6723 "Tx AC0 interrupts");
6724
6725 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6726 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6727 "Tx delay interrupts");
6728
6729 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6730 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6731 "Pre-TBTT interrupts");
6732
6733 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6734 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6735 "TBTT interrupts");
6736
6737 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6738 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6739 "MCU command interrupts");
6740
6741 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6742 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6743 "auto wakeup interrupts");
6744
6745 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6746 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6747 "GP timer interrupts");
6748
6749 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6750 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6751 "Tx MGMT descriptors queued");
6752
6753 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6754 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6755 "Tx MGMT data queued");
6756
6757 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6758 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6759 "Tx HCCA descriptors queued");
6760
6761 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6762 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6763 "Tx HCCA data queued");
6764
6765 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6766 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6767 "Tx AC3 descriptors queued");
6768
6769 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6770 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6771 "Tx AC3 data queued");
6772
6773 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6774 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6775 "Tx AC2 descriptors queued");
6776
6777 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6778 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6779 "Tx AC2 data queued");
6780
6781 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6782 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6783 "Tx AC1 descriptors queued");
6784
6785 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6786 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6787 "Tx AC1 data queued");
6788
6789 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6790 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6791 "Tx AC0 descriptors queued");
6792
6793 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6794 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6795 "Tx AC0 data queued");
6796
6797 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6798 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6799 "Tx MGMT data queue full");
6800
6801 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6802 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6803 "Tx HCCA data queue full");
6804
6805 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6806 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6807 "Tx AC3 data queue full");
6808
6809 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6810 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6811 "Tx AC2 data queue full");
6812
6813 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6814 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6815 "Tx AC1 data queue full");
6816
6817 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6818 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6819 "Tx AC0 data queue full");
6820
6821 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6822 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6823 "Tx watchdog timeouts");
6824
6825 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6826 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6827 "Tx defragmented packets");
6828
6829 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6830 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6831 "no Tx descriptors available");
6832
6833 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6834 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6835 "Rx mbuf allocation errors");
6836
6837 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6838 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6839 "Rx mbuf DMA mapping errors");
6840
6841 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6842 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6843 "Tx queue 0 not empty");
6844
6845 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6846 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6847 "Tx queue 1 not empty");
6848
6849 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6850 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6851 "Tx beacons");
6852
6853 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6854 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6855 "Tx successfull without retries");
6856
6857 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6858 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6859 "Tx successfull with retries");
6860
6861 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6862 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6863 "Tx failed");
6864
6865 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6866 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6867 "Tx underflows");
6868
6869 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6870 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6871 "Tx zero length");
6872
6873 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6874 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6875 "Tx non-aggregated");
6876
6877 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6878 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6879 "Tx aggregated");
6880
6881 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6882 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6883 "Tx A-MPDU");
6884
6885 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6886 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6887 "Tx MPDU with zero density");
6888
6889 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6890 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6891 "Tx A-MPDU sessions");
6892
6893 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6894 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6895 "Rx packets");
6896
6897 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6898 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6899 "Rx A-MPDU");
6900
6901 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6902 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6903 "Rx MPDU with zero density");
6904
6905 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6906 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6907 "Rx A-MSDU");
6908
6909 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6910 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6911 "Rx CRC errors");
6912
6913 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6914 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6915 "Rx PHY errors");
6916
6917 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6918 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6919 "Rx false CCAs");
6920
6921 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6922 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6923 "Rx PLCP errors");
6924
6925 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6926 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6927 "Rx duplicate packets");
6928
6929 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6930 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6931 "Rx FIFO overflows");
6932
6933 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6934 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6935 "Rx cipher no errors");
6936
6937 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6938 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6939 "Rx cipher ICV errors");
6940
6941 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6942 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6943 "Rx cipher MIC errors");
6944
6945 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6946 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6947 "Rx cipher invalid key errors");
6948 }
6949
6950 static device_method_t rt2860_dev_methods[] =
6951 {
6952 DEVMETHOD(device_probe, rt2860_probe),
6953 DEVMETHOD(device_attach, rt2860_attach),
6954 DEVMETHOD(device_detach, rt2860_detach),
6955 DEVMETHOD(device_shutdown, rt2860_shutdown),
6956 DEVMETHOD(device_suspend, rt2860_suspend),
6957 DEVMETHOD(device_resume, rt2860_resume),
6958 { 0, 0 }
6959 };
6960
6961 static driver_t rt2860_driver =
6962 {
6963 "rt2860",
6964 rt2860_dev_methods,
6965 sizeof(struct rt2860_softc)
6966 };
6967
6968 static devclass_t rt2860_dev_class;
6969
6970 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6971
6972 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6973 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860