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Test for VAP ShortGI flag during frame transmission; Added sysctl Tx STBC control...
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blob27c8f55e5420fdb3162c26d0bceea54f9893a118
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 void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
176
177 static void rt2860_periodic(void *arg);
178
179 static void rt2860_tx_watchdog(void *arg);
180
181 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid);
182
183 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid);
184
185 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
186 const uint8_t *bssid);
187
188 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
189 const uint8_t *addr);
190
191 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
192
193 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
194
195 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
196
197 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
198
199 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
200
201 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
202
203 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
204
205 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
206
207 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
208
209 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
210
211 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
212
213 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
214 struct ieee80211vap *vap);
215
216 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
217
218 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
219 struct ieee80211vap *vap);
220
221 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
222
223 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
224 const struct rt2860_rxwi *rxwi);
225
226 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
227 uint8_t rssi, uint8_t rxpath);
228
229 static uint8_t rt2860_rate2mcs(uint8_t rate);
230
231 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
232 struct mbuf *m, struct ieee80211_node *ni, int qid);
233
234 static int rt2860_tx_data(struct rt2860_softc *sc,
235 struct mbuf *m, struct ieee80211_node *ni, int qid);
236
237 static int rt2860_tx_raw(struct rt2860_softc *sc,
238 struct mbuf *m, struct ieee80211_node *ni,
239 const struct ieee80211_bpf_params *params);
240
241 static void rt2860_intr(void *arg);
242
243 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
244
245 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
246
247 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
248
249 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
250
251 static void rt2860_rx_intr(struct rt2860_softc *sc);
252
253 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
254
255 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
256
257 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
258
259 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
260
261 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
262
263 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
264
265 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
266
267 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
268
269 static void rt2860_rx_done_task(void *context, int pending);
270
271 static void rt2860_tx_done_task(void *context, int pending);
272
273 static void rt2860_fifo_sta_full_task(void *context, int pending);
274
275 static void rt2860_periodic_task(void *context, int pending);
276
277 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
278
279 static void rt2860_tx_eof(struct rt2860_softc *sc,
280 struct rt2860_softc_tx_ring *ring);
281
282 static void rt2860_update_stats(struct rt2860_softc *sc);
283
284 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
285
286 static void rt2860_watchdog(struct rt2860_softc *sc);
287
288 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
289
290 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
291
292 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
293
294 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
295
296 static int rt2860_txrx_enable(struct rt2860_softc *sc);
297
298 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
299 struct rt2860_softc_rx_ring *ring);
300
301 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
302 struct rt2860_softc_rx_ring *ring);
303
304 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
305 struct rt2860_softc_rx_ring *ring);
306
307 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
308 struct rt2860_softc_tx_ring *ring, int qid);
309
310 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
311 struct rt2860_softc_tx_ring *ring);
312
313 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
314 struct rt2860_softc_tx_ring *ring);
315
316 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
317 int nseg, int error);
318
319 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
320
321 /*
322 * Static variables
323 */
324
325 static const struct rt2860_pci_ident rt2860_pci_ids[] =
326 {
327 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
328 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
329 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
330 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
331 { 0, 0, NULL }
332 };
333
334 static const struct
335 {
336 uint32_t reg;
337 uint32_t val;
338 } rt2860_def_mac[] =
339 {
340 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
341 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
342 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
343 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
344 { RT2860_REG_SYS_CTRL, 0x00000000 },
345 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
346 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
347 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
348 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
349 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
350 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
351 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
352 { RT2860_REG_LED_CFG, 0x7f031e46 },
353 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
354 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
355 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
356 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
357 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
358 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
359 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
360 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
361 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
362 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
363 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
364 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
365 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
366 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
367 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
368 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
369 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
370 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
371 };
372
373 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
374
375 static const struct
376 {
377 uint8_t reg;
378 uint8_t val;
379 } rt2860_def_bbp[] =
380 {
381 { 65, 0x2c },
382 { 66, 0x38 },
383 { 69, 0x12 },
384 { 70, 0x0a },
385 { 73, 0x10 },
386 { 81, 0x37 },
387 { 82, 0x62 },
388 { 83, 0x6a },
389 { 84, 0x99 },
390 { 86, 0x00 },
391 { 91, 0x04 },
392 { 92, 0x00 },
393 { 103, 0x00 },
394 { 105, 0x05 },
395 { 106, 0x35 },
396 };
397
398 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
399
400 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
401
402 static int rt2860_tx_stbc = 0;
403 SYSCTL_INT(_hw_rt2860, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2860_tx_stbc, 0, "rt2860 Tx STBC");
404 TUNABLE_INT("hw.rt2860.tx_stbc", &rt2860_tx_stbc);
405
406 #ifdef RT2860_DEBUG
407 static int rt2860_debug = 0;
408 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
409 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
410 #endif
411
412 /*
413 * rt2860_probe
414 */
415 static int rt2860_probe(device_t dev)
416 {
417 const struct rt2860_pci_ident *ident;
418
419 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
420 {
421 if (pci_get_vendor(dev) == ident->vendor &&
422 pci_get_device(dev) == ident->device)
423 {
424 device_set_desc(dev, ident->name);
425 return 0;
426 }
427 }
428
429 return ENXIO;
430 }
431
432 /*
433 * rt2860_attach
434 */
435 static int rt2860_attach(device_t dev)
436 {
437 struct rt2860_softc *sc;
438 struct ifnet *ifp;
439 struct ieee80211com *ic;
440 int error, ntries, i;
441
442 sc = device_get_softc(dev);
443
444 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
445 {
446 printf("%s: chip is in D%d power mode, setting to D0\n",
447 device_get_nameunit(dev), pci_get_powerstate(dev));
448 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
449 }
450
451 /* enable bus-mastering */
452
453 pci_enable_busmaster(dev);
454
455 sc->dev = dev;
456
457 mtx_init(&sc->lock, device_get_nameunit(dev),
458 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
459
460 sc->mem_rid = PCIR_BAR(0);
461 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
462 &sc->mem_rid, RF_ACTIVE);
463 if (sc->mem == NULL)
464 {
465 printf("%s: could not allocate memory resource\n",
466 device_get_nameunit(dev));
467 error = ENXIO;
468 goto fail;
469 }
470
471 sc->bst = rman_get_bustag(sc->mem);
472 sc->bsh = rman_get_bushandle(sc->mem);
473
474 sc->irq_rid = 0;
475 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
476 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
477 if (sc->irq == NULL)
478 {
479 printf("%s: could not allocate interrupt resource\n",
480 device_get_nameunit(dev));
481 error = ENXIO;
482 goto fail;
483 }
484
485 sc->tx_stbc = rt2860_tx_stbc;
486
487 #ifdef RT2860_DEBUG
488 sc->debug = rt2860_debug;
489
490 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
491 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
492 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
493 #endif
494
495 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
496 "%s: attaching\n",
497 device_get_nameunit(sc->dev));
498
499 /* wait for NIC to initialize */
500
501 for (ntries = 0; ntries < 100; ntries++)
502 {
503 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
504 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
505 break;
506
507 DELAY(10);
508 }
509
510 if (ntries == 100)
511 {
512 printf("%s: timeout waiting for NIC to initialize\n",
513 device_get_nameunit(dev));
514 error = EIO;
515 goto fail;
516 }
517
518 rt2860_read_eeprom(sc);
519
520 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
521 device_get_nameunit(sc->dev), sc->mac_rev,
522 rt2860_rf_name(sc->rf_rev));
523
524 /* clear key tables */
525
526 rt2860_asic_clear_keytables(sc);
527
528 /* allocate Tx and Rx rings */
529
530 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
531 {
532 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
533 if (error != 0)
534 {
535 printf("%s: could not allocate Tx ring #%d\n",
536 device_get_nameunit(sc->dev), i);
537 goto fail;
538 }
539 }
540
541 sc->tx_ring_mgtqid = 5;
542
543 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
544 if (error != 0)
545 {
546 printf("%s: could not allocate Rx ring\n",
547 device_get_nameunit(sc->dev));
548 goto fail;
549 }
550
551 callout_init(&sc->periodic_ch, 0);
552 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
553
554 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
555 if (ifp == NULL)
556 {
557 printf("%s: could not if_alloc()\n",
558 device_get_nameunit(sc->dev));
559 error = ENOMEM;
560 goto fail;
561 }
562
563 ifp->if_softc = sc;
564
565 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
566
567 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
568
569 ifp->if_init = rt2860_init;
570 ifp->if_ioctl = rt2860_ioctl;
571 ifp->if_start = rt2860_start;
572
573 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
574 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
575 IFQ_SET_READY(&ifp->if_snd);
576
577 ic = ifp->if_l2com;
578
579 ic->ic_ifp = ifp;
580
581 ic->ic_phytype = IEEE80211_T_HT;
582 ic->ic_opmode = IEEE80211_M_STA;
583
584 ic->ic_caps = IEEE80211_C_MONITOR |
585 IEEE80211_C_IBSS |
586 IEEE80211_C_STA |
587 IEEE80211_C_AHDEMO |
588 IEEE80211_C_HOSTAP |
589 IEEE80211_C_WDS |
590 IEEE80211_C_MBSS |
591 IEEE80211_C_BGSCAN |
592 IEEE80211_C_TXPMGT |
593 IEEE80211_C_SHPREAMBLE |
594 IEEE80211_C_SHSLOT |
595 IEEE80211_C_TXFRAG |
596 IEEE80211_C_BURST |
597 IEEE80211_C_WME |
598 IEEE80211_C_WPA;
599
600 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
601 IEEE80211_CRYPTO_TKIP |
602 IEEE80211_CRYPTO_TKIPMIC |
603 IEEE80211_CRYPTO_AES_CCM;
604
605 ic->ic_htcaps = IEEE80211_HTC_HT |
606 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
607 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
608 IEEE80211_HTC_SMPS | /* MIMO power save */
609 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
610 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
611 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
612 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
613 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
614 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
615
616 /* spatial streams */
617
618 if (sc->nrxpath == 2)
619 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
620 else if (sc->nrxpath == 3)
621 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
622 else
623 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
624
625 if (sc->ntxpath > 1)
626 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
627
628 /* delayed BA */
629
630 if (sc->mac_rev != 0x28600100)
631 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
632
633 /* init channels */
634
635 ic->ic_nchans = 0;
636
637 rt2860_init_channels(sc);
638
639 rt2860_init_channels_ht40(sc);
640
641 ieee80211_ifattach(ic, sc->mac_addr);
642
643 ic->ic_vap_create = rt2860_vap_create;
644 ic->ic_vap_delete = rt2860_vap_delete;
645
646 ic->ic_node_alloc = rt2860_node_alloc;
647
648 sc->node_cleanup = ic->ic_node_cleanup;
649 ic->ic_node_cleanup = rt2860_node_cleanup;
650
651 ic->ic_node_getmimoinfo = rt2860_node_getmimoinfo;
652 ic->ic_setregdomain = rt2860_setregdomain;
653 ic->ic_getradiocaps = rt2860_getradiocaps;
654 ic->ic_scan_start = rt2860_scan_start;
655 ic->ic_scan_end = rt2860_scan_end;
656 ic->ic_set_channel = rt2860_set_channel;
657 ic->ic_newassoc = rt2860_newassoc;
658 ic->ic_updateslot = rt2860_updateslot;
659 ic->ic_update_promisc = rt2860_update_promisc;
660 ic->ic_update_mcast = rt2860_update_mcast;
661 ic->ic_wme.wme_update = rt2860_wme_update;
662 ic->ic_raw_xmit = rt2860_raw_xmit;
663
664 sc->recv_action = ic->ic_recv_action;
665 ic->ic_recv_action = rt2860_recv_action;
666
667 sc->send_action = ic->ic_send_action;
668 ic->ic_send_action = rt2860_send_action;
669
670 /* hardware requires padding between 802.11 frame header and body */
671
672 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
673
674 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
675
676 ieee80211_radiotap_attach(ic,
677 &sc->txtap.ihdr, sizeof(sc->txtap),
678 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
679 &sc->rxtap.ihdr, sizeof(sc->rxtap),
680 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
681
682 /* init task queue */
683
684 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
685 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
686 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
687 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
688
689 sc->rx_process_limit = 100;
690
691 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
692 taskqueue_thread_enqueue, &sc->taskqueue);
693
694 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
695 device_get_nameunit(sc->dev));
696
697 rt2860_sysctl_attach(sc);
698
699 if (bootverbose)
700 ieee80211_announce(ic);
701
702 /* set up interrupt */
703
704 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
705 NULL, rt2860_intr, sc, &sc->irqh);
706 if (error != 0)
707 {
708 printf("%s: could not set up interrupt\n",
709 device_get_nameunit(dev));
710 goto fail;
711 }
712
713 return 0;
714
715 fail:
716
717 /* free Tx and Rx rings */
718
719 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
720 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
721
722 rt2860_free_rx_ring(sc, &sc->rx_ring);
723
724 mtx_destroy(&sc->lock);
725
726 if (sc->mem != NULL)
727 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
728
729 if (sc->irq != NULL)
730 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
731
732 return error;
733 }
734
735 /*
736 * rt2860_detach
737 */
738 static int rt2860_detach(device_t dev)
739 {
740 struct rt2860_softc *sc;
741 struct ifnet *ifp;
742 struct ieee80211com *ic;
743 int i;
744
745 sc = device_get_softc(dev);
746 ifp = sc->ifp;
747 ic = ifp->if_l2com;
748
749 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
750 "%s: detaching\n",
751 device_get_nameunit(sc->dev));
752
753 RT2860_SOFTC_LOCK(sc);
754
755 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
756
757 callout_stop(&sc->periodic_ch);
758 callout_stop(&sc->tx_watchdog_ch);
759
760 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
761 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
762 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
763 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
764
765 /* free Tx and Rx rings */
766
767 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
768 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
769
770 rt2860_free_rx_ring(sc, &sc->rx_ring);
771
772 RT2860_SOFTC_UNLOCK(sc);
773
774 ieee80211_ifdetach(ic);
775
776 if_free(ifp);
777
778 taskqueue_free(sc->taskqueue);
779
780 mtx_destroy(&sc->lock);
781
782 bus_generic_detach(dev);
783
784 bus_teardown_intr(dev, sc->irq, sc->irqh);
785
786 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
787
788 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
789
790 return 0;
791 }
792
793 /*
794 * rt2860_shutdown
795 */
796 static int rt2860_shutdown(device_t dev)
797 {
798 struct rt2860_softc *sc;
799
800 sc = device_get_softc(dev);
801
802 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
803 "%s: shutting down\n",
804 device_get_nameunit(sc->dev));
805
806 rt2860_stop(sc);
807
808 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
809
810 return 0;
811 }
812
813 /*
814 * rt2860_suspend
815 */
816 static int rt2860_suspend(device_t dev)
817 {
818 struct rt2860_softc *sc;
819
820 sc = device_get_softc(dev);
821
822 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
823 "%s: suspending\n",
824 device_get_nameunit(sc->dev));
825
826 rt2860_stop(sc);
827
828 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
829
830 return 0;
831 }
832
833 /*
834 * rt2860_resume
835 */
836 static int rt2860_resume(device_t dev)
837 {
838 struct rt2860_softc *sc;
839 struct ifnet *ifp;
840
841 sc = device_get_softc(dev);
842 ifp = sc->ifp;
843
844 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
845 "%s: resuming\n",
846 device_get_nameunit(sc->dev));
847
848 if (ifp->if_flags & IFF_UP)
849 rt2860_init(sc);
850
851 return 0;
852 }
853
854 /*
855 * rt2860_init_channels
856 */
857 static void rt2860_init_channels(struct rt2860_softc *sc)
858 {
859 struct ifnet *ifp;
860 struct ieee80211com *ic;
861 struct ieee80211_channel *c;
862 int i, flags;
863
864 ifp = sc->ifp;
865 ic = ifp->if_l2com;
866
867 /* set supported channels for 2GHz band */
868
869 for (i = 1; i <= 14; i++)
870 {
871 c = &ic->ic_channels[ic->ic_nchans++];
872 flags = IEEE80211_CHAN_B;
873
874 c->ic_freq = ieee80211_ieee2mhz(i, flags);
875 c->ic_ieee = i;
876 c->ic_flags = flags;
877
878 c = &ic->ic_channels[ic->ic_nchans++];
879 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
880
881 c->ic_freq = ieee80211_ieee2mhz(i, flags);
882 c->ic_ieee = i;
883 c->ic_flags = flags;
884
885 c = &ic->ic_channels[ic->ic_nchans++];
886 flags = IEEE80211_CHAN_G;
887
888 c->ic_freq = ieee80211_ieee2mhz(i, flags);
889 c->ic_ieee = i;
890 c->ic_flags = flags;
891
892 c = &ic->ic_channels[ic->ic_nchans++];
893 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
894
895 c->ic_freq = ieee80211_ieee2mhz(i, flags);
896 c->ic_ieee = i;
897 c->ic_flags = flags;
898 }
899
900 /* set supported channels for 5GHz band */
901
902 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
903 sc->rf_rev == RT2860_EEPROM_RF_2750)
904 {
905 for (i = 36; i <= 64; i += 4)
906 {
907 c = &ic->ic_channels[ic->ic_nchans++];
908 flags = IEEE80211_CHAN_A;
909
910 c->ic_freq = ieee80211_ieee2mhz(i, flags);
911 c->ic_ieee = i;
912 c->ic_flags = flags;
913
914 c = &ic->ic_channels[ic->ic_nchans++];
915 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
916
917 c->ic_freq = ieee80211_ieee2mhz(i, flags);
918 c->ic_ieee = i;
919 c->ic_flags = flags;
920 }
921
922 for (i = 100; i <= 140; i += 4)
923 {
924 c = &ic->ic_channels[ic->ic_nchans++];
925 flags = IEEE80211_CHAN_A;
926
927 c->ic_freq = ieee80211_ieee2mhz(i, flags);
928 c->ic_ieee = i;
929 c->ic_flags = flags;
930
931 c = &ic->ic_channels[ic->ic_nchans++];
932 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
933
934 c->ic_freq = ieee80211_ieee2mhz(i, flags);
935 c->ic_ieee = i;
936 c->ic_flags = flags;
937 }
938
939 for (i = 149; i <= 165; i += 4)
940 {
941 c = &ic->ic_channels[ic->ic_nchans++];
942 flags = IEEE80211_CHAN_A;
943
944 c->ic_freq = ieee80211_ieee2mhz(i, flags);
945 c->ic_ieee = i;
946 c->ic_flags = flags;
947
948 c = &ic->ic_channels[ic->ic_nchans++];
949 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
950
951 c->ic_freq = ieee80211_ieee2mhz(i, flags);
952 c->ic_ieee = i;
953 c->ic_flags = flags;
954 }
955 }
956 }
957
958 /*
959 * rt2860_init_channels_ht40
960 */
961 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
962 {
963 struct ifnet *ifp;
964 struct ieee80211com *ic;
965 struct ieee80211_channel *c, *cent, *ext;
966 int i, flags;
967
968 ifp = sc->ifp;
969 ic = ifp->if_l2com;
970
971 /* set supported channels for 2GHz band */
972
973 for (i = 1; i <= 14; i++)
974 {
975 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
976
977 /* find the center channel */
978
979 cent = ieee80211_find_channel_byieee(ic, i,
980 flags & ~IEEE80211_CHAN_HT);
981 if (cent == NULL)
982 {
983 printf("%s: skip channel %d, could not find center channel\n",
984 device_get_nameunit(sc->dev), i);
985 continue;
986 }
987
988 /* find the extension channel */
989
990 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
991 flags & ~IEEE80211_CHAN_HT);
992 if (ext == NULL)
993 {
994 printf("%s: skip channel %d, could not find extension channel\n",
995 device_get_nameunit(sc->dev), i);
996 continue;
997 }
998
999 c = &ic->ic_channels[ic->ic_nchans++];
1000
1001 *c = *cent;
1002 c->ic_extieee = ext->ic_ieee;
1003 c->ic_flags &= ~IEEE80211_CHAN_HT;
1004 c->ic_flags |= IEEE80211_CHAN_HT40U;
1005
1006 c = &ic->ic_channels[ic->ic_nchans++];
1007
1008 *c = *ext;
1009 c->ic_extieee = cent->ic_ieee;
1010 c->ic_flags &= ~IEEE80211_CHAN_HT;
1011 c->ic_flags |= IEEE80211_CHAN_HT40D;
1012 }
1013
1014 /* set supported channels for 5GHz band */
1015
1016 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
1017 sc->rf_rev == RT2860_EEPROM_RF_2750)
1018 {
1019 for (i = 36; i <= 64; i += 4)
1020 {
1021 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1022
1023 /* find the center channel */
1024
1025 cent = ieee80211_find_channel_byieee(ic, i,
1026 flags & ~IEEE80211_CHAN_HT);
1027 if (cent == NULL)
1028 {
1029 printf("%s: skip channel %d, could not find center channel\n",
1030 device_get_nameunit(sc->dev), i);
1031 continue;
1032 }
1033
1034 /* find the extension channel */
1035
1036 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1037 flags & ~IEEE80211_CHAN_HT);
1038 if (ext == NULL)
1039 {
1040 printf("%s: skip channel %d, could not find extension channel\n",
1041 device_get_nameunit(sc->dev), i);
1042 continue;
1043 }
1044
1045 c = &ic->ic_channels[ic->ic_nchans++];
1046
1047 *c = *cent;
1048 c->ic_extieee = ext->ic_ieee;
1049 c->ic_flags &= ~IEEE80211_CHAN_HT;
1050 c->ic_flags |= IEEE80211_CHAN_HT40U;
1051
1052 c = &ic->ic_channels[ic->ic_nchans++];
1053
1054 *c = *ext;
1055 c->ic_extieee = cent->ic_ieee;
1056 c->ic_flags &= ~IEEE80211_CHAN_HT;
1057 c->ic_flags |= IEEE80211_CHAN_HT40D;
1058 }
1059
1060 for (i = 100; i <= 140; i += 4)
1061 {
1062 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1063
1064 /* find the center channel */
1065
1066 cent = ieee80211_find_channel_byieee(ic, i,
1067 flags & ~IEEE80211_CHAN_HT);
1068 if (cent == NULL)
1069 {
1070 printf("%s: skip channel %d, could not find center channel\n",
1071 device_get_nameunit(sc->dev), i);
1072 continue;
1073 }
1074
1075 /* find the extension channel */
1076
1077 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1078 flags & ~IEEE80211_CHAN_HT);
1079 if (ext == NULL)
1080 {
1081 printf("%s: skip channel %d, could not find extension channel\n",
1082 device_get_nameunit(sc->dev), i);
1083 continue;
1084 }
1085
1086 c = &ic->ic_channels[ic->ic_nchans++];
1087
1088 *c = *cent;
1089 c->ic_extieee = ext->ic_ieee;
1090 c->ic_flags &= ~IEEE80211_CHAN_HT;
1091 c->ic_flags |= IEEE80211_CHAN_HT40U;
1092
1093 c = &ic->ic_channels[ic->ic_nchans++];
1094
1095 *c = *ext;
1096 c->ic_extieee = cent->ic_ieee;
1097 c->ic_flags &= ~IEEE80211_CHAN_HT;
1098 c->ic_flags |= IEEE80211_CHAN_HT40D;
1099 }
1100
1101 for (i = 149; i <= 165; i += 4)
1102 {
1103 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1104
1105 /* find the center channel */
1106
1107 cent = ieee80211_find_channel_byieee(ic, i,
1108 flags & ~IEEE80211_CHAN_HT);
1109 if (cent == NULL)
1110 {
1111 printf("%s: skip channel %d, could not find center channel\n",
1112 device_get_nameunit(sc->dev), i);
1113 continue;
1114 }
1115
1116 /* find the extension channel */
1117
1118 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1119 flags & ~IEEE80211_CHAN_HT);
1120 if (ext == NULL)
1121 {
1122 printf("%s: skip channel %d, could not find extension channel\n",
1123 device_get_nameunit(sc->dev), i);
1124 continue;
1125 }
1126
1127 c = &ic->ic_channels[ic->ic_nchans++];
1128
1129 *c = *cent;
1130 c->ic_extieee = ext->ic_ieee;
1131 c->ic_flags &= ~IEEE80211_CHAN_HT;
1132 c->ic_flags |= IEEE80211_CHAN_HT40U;
1133
1134 c = &ic->ic_channels[ic->ic_nchans++];
1135
1136 *c = *ext;
1137 c->ic_extieee = cent->ic_ieee;
1138 c->ic_flags &= ~IEEE80211_CHAN_HT;
1139 c->ic_flags |= IEEE80211_CHAN_HT40D;
1140 }
1141 }
1142 }
1143
1144 /*
1145 * rt2860_init_locked
1146 */
1147 static void rt2860_init_locked(void *priv)
1148 {
1149 struct rt2860_softc *sc;
1150 struct ifnet *ifp;
1151 struct ieee80211com *ic;
1152 int error, i, ntries;
1153 uint32_t tmp, stacnt[6];
1154
1155 sc = priv;
1156 ifp = sc->ifp;
1157 ic = ifp->if_l2com;
1158
1159 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1160 "%s: initializing\n",
1161 device_get_nameunit(sc->dev));
1162
1163 RT2860_SOFTC_ASSERT_LOCKED(sc);
1164
1165 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1166 {
1167 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1168 "%s: loading 8051 microcode\n",
1169 device_get_nameunit(sc->dev));
1170
1171 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1172 if (error != 0)
1173 {
1174 printf("%s: could not load 8051 microcode\n",
1175 device_get_nameunit(sc->dev));
1176 goto fail;
1177 }
1178
1179 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1180 "%s: 8051 microcode was successfully loaded\n",
1181 device_get_nameunit(sc->dev));
1182
1183 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1184 }
1185
1186 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1187
1188 /* disable DMA engine */
1189
1190 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1191
1192 tmp &= 0xff0;
1193 tmp |= RT2860_REG_TX_WB_DDONE;
1194
1195 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1196
1197 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1198
1199 /* PBF hardware reset */
1200
1201 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1202 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1203
1204 /* wait while DMA engine is busy */
1205
1206 for (ntries = 0; ntries < 100; ntries++)
1207 {
1208 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1209 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1210 break;
1211
1212 DELAY(1000);
1213 }
1214
1215 if (ntries == 100)
1216 {
1217 printf("%s: timeout waiting for DMA engine\n",
1218 device_get_nameunit(sc->dev));
1219 goto fail;
1220 }
1221
1222 tmp &= 0xff0;
1223 tmp |= RT2860_REG_TX_WB_DDONE;
1224
1225 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1226
1227 /* reset Rx and Tx rings */
1228
1229 tmp = RT2860_REG_RST_IDX_RX |
1230 RT2860_REG_RST_IDX_TX_MGMT |
1231 RT2860_REG_RST_IDX_TX_HCCA |
1232 RT2860_REG_RST_IDX_TX_AC3 |
1233 RT2860_REG_RST_IDX_TX_AC2 |
1234 RT2860_REG_RST_IDX_TX_AC1 |
1235 RT2860_REG_RST_IDX_TX_AC0;
1236
1237 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1238
1239 /* PBF hardware reset */
1240
1241 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1242 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1243
1244 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1245
1246 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1247 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1248 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1249
1250 /* init Tx power per rate */
1251
1252 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1253 {
1254 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1255 continue;
1256
1257 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1258 sc->txpow_rate_20mhz[i]);
1259 }
1260
1261 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1262 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1263 rt2860_def_mac[i].val);
1264
1265 /* wait while MAC is busy */
1266
1267 for (ntries = 0; ntries < 100; ntries++)
1268 {
1269 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1270 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1271 break;
1272
1273 DELAY(1000);
1274 }
1275
1276 if (ntries == 100)
1277 {
1278 printf("%s: timeout waiting for MAC\n",
1279 device_get_nameunit(sc->dev));
1280 goto fail;
1281 }
1282
1283 /* clear Host to MCU mailbox */
1284
1285 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1286 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1287
1288 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1289 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1290
1291 DELAY(1000);
1292
1293 error = rt2860_init_bbp(sc);
1294 if (error != 0)
1295 goto fail;
1296
1297 /* set up maximum buffer sizes */
1298
1299 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1300
1301 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1302
1303 if (sc->mac_rev == 0x28720200)
1304 {
1305 /* set max. PSDU length from 16K to 32K bytes */
1306
1307 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1308
1309 tmp &= ~(3 << 12);
1310 tmp |= (2 << 12);
1311
1312 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1313 }
1314
1315 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1316 {
1317 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1318
1319 tmp &= 0xfff;
1320 tmp |= 0x2000;
1321
1322 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1323 }
1324
1325 /* set mac address */
1326
1327 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1328
1329 /* clear statistic registers */
1330
1331 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1332 stacnt, sizeof(stacnt));
1333
1334 /* set RTS threshold */
1335
1336 rt2860_asic_update_rtsthreshold(sc);
1337
1338 /* set Tx power */
1339
1340 rt2860_asic_update_txpower(sc);
1341
1342 /* set up protection mode */
1343
1344 sc->tx_ampdu_sessions = 0;
1345
1346 rt2860_asic_updateprot(sc);
1347
1348 /* clear beacon frame space (entries = 8, entry size = 512) */
1349
1350 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1351
1352 taskqueue_unblock(sc->taskqueue);
1353
1354 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1355
1356 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1357 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1358
1359 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1360 {
1361 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1362 sc->tx_ring[i].desc_phys_addr);
1363 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1364 RT2860_SOFTC_TX_RING_DESC_COUNT);
1365 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1366 }
1367
1368 /* init Rx ring */
1369
1370 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1371
1372 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1373 sc->rx_ring.desc_phys_addr);
1374 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1375 RT2860_SOFTC_RX_RING_DATA_COUNT);
1376 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1377 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1378
1379 /* wait while DMA engine is busy */
1380
1381 for (ntries = 0; ntries < 100; ntries++)
1382 {
1383 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1384 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1385 break;
1386
1387 DELAY(1000);
1388 }
1389
1390 if (ntries == 100)
1391 {
1392 printf("%s: timeout waiting for DMA engine\n",
1393 device_get_nameunit(sc->dev));
1394 goto fail;
1395 }
1396
1397 tmp &= 0xff0;
1398 tmp |= RT2860_REG_TX_WB_DDONE;
1399
1400 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1401
1402 /* disable interrupts mitigation */
1403
1404 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1405
1406 /* send LEDs operating mode to microcontroller */
1407
1408 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1409 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1410 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1411 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1412 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1413 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1414
1415 /* turn radio LED on */
1416
1417 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1418
1419 /* write vendor-specific BBP values (from EEPROM) */
1420
1421 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1422 {
1423 if (sc->bbp_eeprom[i].reg == 0x00 ||
1424 sc->bbp_eeprom[i].reg == 0xff)
1425 continue;
1426
1427 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1428 sc->bbp_eeprom[i].val);
1429 }
1430
1431 /*
1432 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1433 if (tmp & (1 << 2))
1434 {
1435 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1436 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1437 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1438
1439 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1440 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1441 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1442 }
1443 */
1444
1445 /* disable non-existing Rx chains */
1446
1447 tmp = rt2860_io_bbp_read(sc, 3);
1448
1449 tmp &= ~((1 << 4) | (1 << 3));
1450
1451 if (sc->nrxpath == 3)
1452 tmp |= (1 << 4);
1453 else if (sc->nrxpath == 2)
1454 tmp |= (1 << 3);
1455
1456 rt2860_io_bbp_write(sc, 3, tmp);
1457
1458 /* disable non-existing Tx chains */
1459
1460 tmp = rt2860_io_bbp_read(sc, 1);
1461
1462 tmp &= ~((1 << 4) | (1 << 3));
1463
1464 if (sc->ntxpath == 2)
1465 tmp |= (1 << 4);
1466
1467 rt2860_io_bbp_write(sc, 1, tmp);
1468
1469 /* set current channel */
1470
1471 rt2860_rf_set_chan(sc, ic->ic_curchan);
1472
1473 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1474 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1475 (48 << 16) | 96);
1476
1477 if ((sc->mac_rev & 0xffff) != 0x0101)
1478 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1479
1480 /* clear pending interrupts */
1481
1482 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1483
1484 /* enable interrupts */
1485
1486 tmp = RT2860_REG_INT_TX_COHERENT |
1487 RT2860_REG_INT_RX_COHERENT |
1488 RT2860_REG_INT_GP_TIMER |
1489 RT2860_REG_INT_AUTO_WAKEUP |
1490 RT2860_REG_INT_FIFO_STA_FULL |
1491 /*
1492 RT2860_REG_INT_PRE_TBTT |
1493 RT2860_REG_INT_TBTT |
1494 */
1495 RT2860_REG_INT_TXRX_COHERENT |
1496 RT2860_REG_INT_MCU_CMD |
1497 RT2860_REG_INT_TX_MGMT_DONE |
1498 RT2860_REG_INT_TX_HCCA_DONE |
1499 RT2860_REG_INT_TX_AC3_DONE |
1500 RT2860_REG_INT_TX_AC2_DONE |
1501 RT2860_REG_INT_TX_AC1_DONE |
1502 RT2860_REG_INT_TX_AC0_DONE |
1503 RT2860_REG_INT_RX_DONE;
1504
1505 sc->intr_enable_mask = tmp;
1506
1507 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1508
1509 if (rt2860_txrx_enable(sc) != 0)
1510 goto fail;
1511
1512 /* clear garbage interrupts */
1513
1514 tmp = rt2860_io_mac_read(sc, 0x1300);
1515
1516 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1517 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1518
1519 sc->periodic_round = 0;
1520
1521 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1522
1523 return;
1524
1525 fail:
1526
1527 rt2860_stop_locked(sc);
1528 }
1529
1530 /*
1531 * rt2860_init
1532 */
1533 static void rt2860_init(void *priv)
1534 {
1535 struct rt2860_softc *sc;
1536
1537 sc = priv;
1538
1539 RT2860_SOFTC_LOCK(sc);
1540
1541 rt2860_init_locked(sc);
1542
1543 RT2860_SOFTC_UNLOCK(sc);
1544 }
1545
1546 /*
1547 * rt2860_init_bbp
1548 */
1549 static int rt2860_init_bbp(struct rt2860_softc *sc)
1550 {
1551 int ntries, i;
1552 uint8_t tmp;
1553
1554 for (ntries = 0; ntries < 20; ntries++)
1555 {
1556 tmp = rt2860_io_bbp_read(sc, 0);
1557 if (tmp != 0x00 && tmp != 0xff)
1558 break;
1559 }
1560
1561 if (tmp == 0x00 || tmp == 0xff)
1562 {
1563 printf("%s: timeout waiting for BBP to wakeup\n",
1564 device_get_nameunit(sc->dev));
1565 return ETIMEDOUT;
1566 }
1567
1568 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1569 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1570 rt2860_def_bbp[i].val);
1571
1572 if ((sc->mac_rev & 0xffff) != 0x0101)
1573 rt2860_io_bbp_write(sc, 84, 0x19);
1574
1575 if (sc->mac_rev == 0x28600100)
1576 {
1577 rt2860_io_bbp_write(sc, 69, 0x16);
1578 rt2860_io_bbp_write(sc, 73, 0x12);
1579 }
1580
1581 return 0;
1582 }
1583
1584 /*
1585 * rt2860_stop_locked
1586 */
1587 static void rt2860_stop_locked(void *priv)
1588 {
1589 struct rt2860_softc *sc;
1590 struct ifnet *ifp;
1591 struct ieee80211com *ic;
1592 uint32_t tmp;
1593
1594 sc = priv;
1595 ifp = sc->ifp;
1596 ic = ifp->if_l2com;
1597
1598 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1599 "%s: stopping\n",
1600 device_get_nameunit(sc->dev));
1601
1602 RT2860_SOFTC_ASSERT_LOCKED(sc);
1603
1604 sc->tx_timer = 0;
1605
1606 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1607 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1608
1609 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1610
1611 callout_stop(&sc->periodic_ch);
1612 callout_stop(&sc->tx_watchdog_ch);
1613
1614 RT2860_SOFTC_UNLOCK(sc);
1615
1616 taskqueue_block(sc->taskqueue);
1617
1618 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1619 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1620 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1621 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1622
1623 RT2860_SOFTC_LOCK(sc);
1624
1625 /* clear key tables */
1626
1627 rt2860_asic_clear_keytables(sc);
1628
1629 /* disable interrupts */
1630
1631 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1632
1633 /* disable Tx/Rx */
1634
1635 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1636
1637 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1638
1639 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1640
1641 /* reset adapter */
1642
1643 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1644 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1645 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1646 }
1647
1648 /*
1649 * rt2860_stop
1650 */
1651 static void rt2860_stop(void *priv)
1652 {
1653 struct rt2860_softc *sc;
1654
1655 sc = priv;
1656
1657 RT2860_SOFTC_LOCK(sc);
1658
1659 rt2860_stop_locked(sc);
1660
1661 RT2860_SOFTC_UNLOCK(sc);
1662 }
1663
1664 /*
1665 * rt2860_start
1666 */
1667 static void rt2860_start(struct ifnet *ifp)
1668 {
1669 struct rt2860_softc *sc;
1670 struct ieee80211_node *ni;
1671 struct mbuf *m;
1672 int qid;
1673
1674 sc = ifp->if_softc;
1675
1676 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1677 return;
1678
1679 for (;;)
1680 {
1681 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1682 if (m == NULL)
1683 break;
1684
1685 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1686
1687 m->m_pkthdr.rcvif = NULL;
1688
1689 qid = M_WME_GETAC(m);
1690
1691 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[qid]);
1692
1693 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1694 {
1695 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1696
1697 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1698 "%s: if_start: Tx ring with qid=%d is full\n",
1699 device_get_nameunit(sc->dev), qid);
1700
1701 m_freem(m);
1702 ieee80211_free_node(ni);
1703
1704 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1705 ifp->if_oerrors++;
1706
1707 sc->tx_data_queue_full[qid]++;
1708
1709 break;
1710 }
1711
1712 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1713 {
1714 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1715
1716 ieee80211_free_node(ni);
1717
1718 ifp->if_oerrors++;
1719
1720 break;
1721 }
1722
1723 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1724
1725 rt2860_drain_fifo_stats(sc);
1726
1727 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1728
1729 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1730 }
1731 }
1732
1733 /*
1734 * rt2860_ioctl
1735 */
1736 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1737 {
1738 struct rt2860_softc *sc;
1739 struct ieee80211com *ic;
1740 struct ifreq *ifr;
1741 int error, startall;
1742
1743 sc = ifp->if_softc;
1744 ic = ifp->if_l2com;
1745 ifr = (struct ifreq *) data;
1746
1747 error = 0;
1748
1749 switch (cmd)
1750 {
1751 case SIOCSIFFLAGS:
1752 startall = 0;
1753
1754 RT2860_SOFTC_LOCK(sc);
1755
1756 if (ifp->if_flags & IFF_UP)
1757 {
1758 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1759 {
1760 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1761 rt2860_asic_update_promisc(sc);
1762 }
1763 else
1764 {
1765 rt2860_init_locked(sc);
1766 startall = 1;
1767 }
1768 }
1769 else
1770 {
1771 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1772 rt2860_stop_locked(sc);
1773 }
1774
1775 sc->if_flags = ifp->if_flags;
1776
1777 RT2860_SOFTC_UNLOCK(sc);
1778
1779 if (startall)
1780 ieee80211_start_all(ic);
1781 break;
1782
1783 case SIOCGIFMEDIA:
1784 case SIOCSIFMEDIA:
1785 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1786 break;
1787
1788 case SIOCGIFADDR:
1789 error = ether_ioctl(ifp, cmd, data);
1790 break;
1791
1792 default:
1793 error = EINVAL;
1794 break;
1795 }
1796
1797 return error;
1798 }
1799
1800 /*
1801 * rt2860_vap_create
1802 */
1803 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1804 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1805 const uint8_t bssid[IEEE80211_ADDR_LEN],
1806 const uint8_t mac[IEEE80211_ADDR_LEN])
1807 {
1808 struct rt2860_softc *sc;
1809 struct ifnet *ifp;
1810 struct rt2860_softc_vap *rvap;
1811 struct ieee80211vap *vap;
1812
1813 ifp = ic->ic_ifp;
1814 sc = ifp->if_softc;
1815
1816 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1817 "%s: VAP create: opmode=%s\n",
1818 device_get_nameunit(sc->dev),
1819 ieee80211_opmode_name[opmode]);
1820
1821 switch (opmode)
1822 {
1823 case IEEE80211_M_IBSS:
1824 case IEEE80211_M_STA:
1825 case IEEE80211_M_AHDEMO:
1826 case IEEE80211_M_HOSTAP:
1827 case IEEE80211_M_MBSS:
1828 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1829 {
1830 if_printf(ifp, "only 1 VAP supported\n");
1831 return NULL;
1832 }
1833
1834 if (opmode == IEEE80211_M_STA)
1835 flags |= IEEE80211_CLONE_NOBEACONS;
1836 break;
1837
1838 case IEEE80211_M_WDS:
1839 if (sc->napvaps == 0)
1840 {
1841 if_printf(ifp, "WDS only supported in AP mode\n");
1842 return NULL;
1843 }
1844 break;
1845
1846 case IEEE80211_M_MONITOR:
1847 break;
1848
1849 default:
1850 if_printf(ifp, "unknown opmode %d\n", opmode);
1851 return NULL;
1852 }
1853
1854 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1855 M_80211_VAP, M_NOWAIT | M_ZERO);
1856 if (rvap == NULL)
1857 return NULL;
1858
1859 vap = &rvap->vap;
1860
1861 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1862
1863 rvap->newstate = vap->iv_newstate;
1864 vap->iv_newstate = rt2860_vap_newstate;
1865
1866 vap->iv_reset = rt2860_vap_reset;
1867 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1868 vap->iv_key_update_end = rt2860_vap_key_update_end;
1869 vap->iv_key_set = rt2860_vap_key_set;
1870 vap->iv_key_delete = rt2860_vap_key_delete;
1871 vap->iv_update_beacon = rt2860_vap_update_beacon;
1872
1873 rt2860_amrr_init(&rvap->amrr, vap,
1874 sc->ntxpath,
1875 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1876 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1877 500);
1878
1879 vap->iv_max_aid = RT2860_SOFTC_STAID_COUNT;
1880
1881 /* override default Rx A-MPDU factor */
1882
1883 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1884 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1885 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1886
1887 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1888
1889 switch (vap->iv_opmode)
1890 {
1891 case IEEE80211_M_HOSTAP:
1892 case IEEE80211_M_MBSS:
1893 case IEEE80211_M_AHDEMO:
1894 sc->napvaps++;
1895 break;
1896
1897 case IEEE80211_M_IBSS:
1898 sc->nadhocvaps++;
1899 break;
1900
1901 case IEEE80211_M_STA:
1902 sc->nstavaps++;
1903 break;
1904
1905 case IEEE80211_M_WDS:
1906 sc->nwdsvaps++;
1907 break;
1908
1909 default:
1910 break;
1911 }
1912
1913 sc->nvaps++;
1914
1915 if (sc->napvaps > 0)
1916 ic->ic_opmode = IEEE80211_M_HOSTAP;
1917 else if (sc->nadhocvaps > 0)
1918 ic->ic_opmode = IEEE80211_M_IBSS;
1919 else if (sc->nstavaps > 0)
1920 ic->ic_opmode = IEEE80211_M_STA;
1921 else
1922 ic->ic_opmode = opmode;
1923
1924 return vap;
1925 }
1926
1927 /*
1928 * rt2860_vap_delete
1929 */
1930 static void rt2860_vap_delete(struct ieee80211vap *vap)
1931 {
1932 struct rt2860_softc *sc;
1933 struct ieee80211com *ic;
1934 struct ifnet *ifp;
1935 struct rt2860_softc_vap *rvap;
1936 enum ieee80211_opmode opmode;
1937
1938 ic = vap->iv_ic;
1939 ifp = ic->ic_ifp;
1940 sc = ifp->if_softc;
1941 rvap = (struct rt2860_softc_vap *) vap;
1942 opmode = vap->iv_opmode;
1943
1944 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1945 "%s: VAP delete: opmode=%s\n",
1946 device_get_nameunit(sc->dev), ieee80211_opmode_name[opmode]);
1947
1948 rt2860_amrr_cleanup(&rvap->amrr);
1949
1950 ieee80211_vap_detach(vap);
1951
1952 if (rvap->beacon_mbuf != NULL)
1953 {
1954 m_free(rvap->beacon_mbuf);
1955 rvap->beacon_mbuf = NULL;
1956 }
1957
1958 switch (opmode)
1959 {
1960 case IEEE80211_M_HOSTAP:
1961 case IEEE80211_M_MBSS:
1962 case IEEE80211_M_AHDEMO:
1963 sc->napvaps--;
1964 break;
1965
1966 case IEEE80211_M_IBSS:
1967 sc->nadhocvaps--;
1968 break;
1969
1970 case IEEE80211_M_STA:
1971 sc->nstavaps--;
1972 break;
1973
1974 case IEEE80211_M_WDS:
1975 sc->nwdsvaps--;
1976 break;
1977
1978 default:
1979 break;
1980 }
1981
1982 sc->nvaps--;
1983
1984 if (sc->napvaps > 0)
1985 ic->ic_opmode = IEEE80211_M_HOSTAP;
1986 else if (sc->nadhocvaps > 0)
1987 ic->ic_opmode = IEEE80211_M_IBSS;
1988 else if (sc->nstavaps > 0)
1989 ic->ic_opmode = IEEE80211_M_STA;
1990
1991 free(rvap, M_80211_VAP);
1992 }
1993
1994 /*
1995 * rt2860_reset_vap
1996 */
1997 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1998 {
1999 struct rt2860_softc *sc;
2000 struct ieee80211com *ic;
2001 struct ifnet *ifp;
2002 struct rt2860_softc_vap *rvap;
2003 int error;
2004
2005 ic = vap->iv_ic;
2006 ifp = ic->ic_ifp;
2007 sc = ifp->if_softc;
2008 rvap = (struct rt2860_softc_vap *) vap;
2009
2010 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2011 "%s: VAP reset: cmd=%lu\n",
2012 device_get_nameunit(sc->dev), cmd);
2013
2014 error = 0;
2015
2016 switch (cmd)
2017 {
2018 case IEEE80211_IOC_RTSTHRESHOLD:
2019 case IEEE80211_IOC_AMSDU:
2020 rt2860_asic_update_rtsthreshold(sc);
2021 break;
2022
2023 case IEEE80211_IOC_PROTMODE:
2024 case IEEE80211_IOC_HTPROTMODE:
2025 rt2860_asic_updateprot(sc);
2026 break;
2027
2028 case IEEE80211_IOC_TXPOWER:
2029 rt2860_asic_update_txpower(sc);
2030 break;
2031
2032 case IEEE80211_IOC_BURST:
2033 rt2860_asic_updateslot(sc);
2034 break;
2035
2036 case IEEE80211_IOC_SHORTGI:
2037 case IEEE80211_IOC_AMPDU_DENSITY:
2038 case IEEE80211_IOC_SMPS:
2039 break;
2040
2041 default:
2042 error = ENETRESET;
2043 break;
2044 }
2045
2046 return error;
2047 }
2048
2049 /*
2050 * rt2860_vap_newstate
2051 */
2052 static int rt2860_vap_newstate(struct ieee80211vap *vap,
2053 enum ieee80211_state nstate, int arg)
2054 {
2055 struct rt2860_softc *sc;
2056 struct ieee80211com *ic;
2057 struct ifnet *ifp;
2058 struct rt2860_softc_vap *rvap;
2059 struct ieee80211_node *ni;
2060 enum ieee80211_state ostate;
2061 int error;
2062
2063 ic = vap->iv_ic;
2064 ifp = ic->ic_ifp;
2065 sc = ifp->if_softc;
2066 rvap = (struct rt2860_softc_vap *) vap;
2067
2068 ostate = vap->iv_state;
2069
2070 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2071 "%s: VAP newstate: %s -> %s\n",
2072 device_get_nameunit(sc->dev),
2073 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
2074
2075 error = rvap->newstate(vap, nstate, arg);
2076 if (error != 0)
2077 return error;
2078
2079 IEEE80211_UNLOCK(ic);
2080
2081 RT2860_SOFTC_LOCK(sc);
2082
2083 /* turn link LED off */
2084
2085 if (nstate != IEEE80211_S_RUN)
2086 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
2087
2088 switch (nstate)
2089 {
2090 case IEEE80211_S_INIT:
2091 rt2860_asic_disable_tsf_sync(sc);
2092 break;
2093
2094 case IEEE80211_S_RUN:
2095 ni = vap->iv_bss;
2096
2097 rt2860_rf_set_chan(sc, ni->ni_chan);
2098
2099 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2100 {
2101 rt2860_asic_enable_mrr(sc);
2102 rt2860_asic_set_txpreamble(sc);
2103 rt2860_asic_set_basicrates(sc);
2104 rt2860_asic_update_txpower(sc);
2105 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2106 }
2107
2108 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2109 vap->iv_opmode == IEEE80211_M_IBSS ||
2110 vap->iv_opmode == IEEE80211_M_MBSS)
2111 {
2112 error = rt2860_beacon_alloc(sc, vap);
2113 if (error != 0)
2114 break;
2115
2116 rt2860_asic_update_beacon(sc, vap);
2117 }
2118
2119 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2120 rt2860_asic_enable_tsf_sync(sc);
2121
2122 /* turn link LED on */
2123
2124 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2125 {
2126 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2127 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2128 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2129 }
2130 break;
2131
2132 case IEEE80211_S_SLEEP:
2133 break;
2134
2135 default:
2136 break;
2137 }
2138
2139 RT2860_SOFTC_UNLOCK(sc);
2140
2141 IEEE80211_LOCK(ic);
2142
2143 return error;
2144 }
2145
2146 /*
2147 * rt2860_vap_key_update_begin
2148 */
2149 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2150 {
2151 struct rt2860_softc *sc;
2152 struct ieee80211com *ic;
2153 struct ifnet *ifp;
2154
2155 ic = vap->iv_ic;
2156 ifp = ic->ic_ifp;
2157 sc = ifp->if_softc;
2158
2159 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2160 "%s: VAP key update begin\n",
2161 device_get_nameunit(sc->dev));
2162
2163 taskqueue_block(sc->taskqueue);
2164
2165 IF_LOCK(&ifp->if_snd);
2166 }
2167
2168 /*
2169 * rt2860_vap_key_update_end
2170 */
2171 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2172 {
2173 struct rt2860_softc *sc;
2174 struct ieee80211com *ic;
2175 struct ifnet *ifp;
2176
2177 ic = vap->iv_ic;
2178 ifp = ic->ic_ifp;
2179 sc = ifp->if_softc;
2180
2181 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2182 "%s: VAP key update end\n",
2183 device_get_nameunit(sc->dev));
2184
2185 IF_UNLOCK(&ifp->if_snd);
2186
2187 taskqueue_unblock(sc->taskqueue);
2188 }
2189
2190 /*
2191 * rt2860_vap_key_set
2192 */
2193 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2194 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2195 {
2196 struct rt2860_softc *sc;
2197 struct ieee80211com *ic;
2198 struct ifnet *ifp;
2199 struct ieee80211_node *ni;
2200 struct rt2860_softc_node *rni;
2201 uint16_t key_base, keymode_base;
2202 uint8_t mode, vapid, wcid, iv[8];
2203 uint32_t tmp;
2204
2205 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2206 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2207 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2208 return 0;
2209
2210 ic = vap->iv_ic;
2211 ifp = ic->ic_ifp;
2212 sc = ifp->if_softc;
2213
2214 switch (k->wk_cipher->ic_cipher)
2215 {
2216 case IEEE80211_CIPHER_WEP:
2217 if(k->wk_keylen < 8)
2218 mode = RT2860_REG_CIPHER_MODE_WEP40;
2219 else
2220 mode = RT2860_REG_CIPHER_MODE_WEP104;
2221 break;
2222
2223 case IEEE80211_CIPHER_TKIP:
2224 mode = RT2860_REG_CIPHER_MODE_TKIP;
2225 break;
2226
2227 case IEEE80211_CIPHER_AES_CCM:
2228 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2229 break;
2230
2231 default:
2232 return 0;
2233 }
2234
2235 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2236 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2237 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2238 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2239
2240 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2241 {
2242 /* install pairwise key */
2243
2244 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2245 rni = (struct rt2860_softc_node *) ni;
2246
2247 vapid = 0;
2248 wcid = rni->staid;
2249 key_base = RT2860_REG_PKEY(wcid);
2250
2251 ieee80211_free_node(ni);
2252
2253 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2254 {
2255 memset(iv, 0, 8);
2256
2257 iv[3] = (k->wk_keyix << 6);
2258 }
2259 else
2260 {
2261 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2262 {
2263 iv[0] = (k->wk_keytsc >> 8);
2264 iv[1] = ((iv[0] | 0x20) & 0x7f);
2265 iv[2] = k->wk_keytsc;
2266 }
2267 else
2268 {
2269 /* AES CCMP */
2270
2271 iv[0] = k->wk_keytsc;
2272 iv[1] = k->wk_keytsc >> 8;
2273 iv[2] = 0;
2274 }
2275
2276 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2277 iv[4] = (k->wk_keytsc >> 16);
2278 iv[5] = (k->wk_keytsc >> 24);
2279 iv[6] = (k->wk_keytsc >> 32);
2280 iv[7] = (k->wk_keytsc >> 40);
2281
2282 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2283 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2284 device_get_nameunit(sc->dev),
2285 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2286 }
2287
2288 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2289
2290 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2291 {
2292 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2293
2294 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2295 {
2296 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2297 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2298 }
2299 else
2300 {
2301 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2302 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2303 }
2304 }
2305 else
2306 {
2307 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2308 }
2309
2310 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2311 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2312
2313 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2314 }
2315
2316 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2317 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2318 {
2319 /* install group key */
2320
2321 vapid = 0;
2322 wcid = RT2860_WCID_MCAST;
2323 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2324 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2325
2326 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2327 {
2328 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2329
2330 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2331 {
2332 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2333 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2334 }
2335 else
2336 {
2337 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2338 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2339 }
2340 }
2341 else
2342 {
2343 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2344 }
2345
2346 tmp = rt2860_io_mac_read(sc, keymode_base);
2347
2348 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2349 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2350
2351 rt2860_io_mac_write(sc, keymode_base, tmp);
2352
2353 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2354 {
2355 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2356 {
2357 memset(iv, 0, 8);
2358
2359 iv[3] = (k->wk_keyix << 6);
2360 }
2361 else
2362 {
2363 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2364 {
2365 iv[0] = (k->wk_keytsc >> 8);
2366 iv[1] = ((iv[0] | 0x20) & 0x7f);
2367 iv[2] = k->wk_keytsc;
2368 }
2369 else
2370 {
2371 /* AES CCMP */
2372
2373 iv[0] = k->wk_keytsc;
2374 iv[1] = k->wk_keytsc >> 8;
2375 iv[2] = 0;
2376 }
2377
2378 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2379 iv[4] = (k->wk_keytsc >> 16);
2380 iv[5] = (k->wk_keytsc >> 24);
2381 iv[6] = (k->wk_keytsc >> 32);
2382 iv[7] = (k->wk_keytsc >> 40);
2383
2384 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2385 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2386 device_get_nameunit(sc->dev),
2387 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2388 }
2389
2390 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2391
2392 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2393 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2394
2395 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2396 }
2397 }
2398
2399 return 1;
2400 }
2401
2402 /*
2403 * rt2860_vap_key_delete
2404 */
2405 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2406 const struct ieee80211_key *k)
2407 {
2408 struct rt2860_softc *sc;
2409 struct ieee80211com *ic;
2410 struct ifnet *ifp;
2411 uint8_t vapid, wcid;
2412 uint32_t tmp;
2413
2414 ic = vap->iv_ic;
2415 ifp = ic->ic_ifp;
2416 sc = ifp->if_softc;
2417
2418 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2419 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
2420 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2421 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2422
2423 if (k->wk_flags & IEEE80211_KEY_GROUP)
2424 {
2425 /* remove group key */
2426
2427 vapid = 0;
2428 wcid = RT2860_WCID_MCAST;
2429
2430 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2431
2432 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2433 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2434
2435 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2436
2437 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2438 {
2439 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2440 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2441
2442 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2443 }
2444 }
2445
2446 return 1;
2447 }
2448
2449 /*
2450 * rt2860_vap_update_beacon
2451 */
2452 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2453 {
2454 struct rt2860_softc *sc;
2455 struct ieee80211com *ic;
2456 struct ifnet *ifp;
2457 struct rt2860_softc_vap *rvap;
2458 struct mbuf *m;
2459 struct ieee80211_beacon_offsets *bo;
2460
2461 ic = vap->iv_ic;
2462 ifp = ic->ic_ifp;
2463 sc = ifp->if_softc;
2464 rvap = (struct rt2860_softc_vap *) vap;
2465 m = rvap->beacon_mbuf;
2466 bo = &rvap->beacon_offsets;
2467
2468 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2469 "%s: VAP update beacon: what=%d\n",
2470 device_get_nameunit(sc->dev), what);
2471
2472 setbit(bo->bo_flags, what);
2473
2474 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2475
2476 rt2860_asic_update_beacon(sc, vap);
2477 }
2478
2479 /*
2480 * rt2860_media_change
2481 */
2482 static int rt2860_media_change(struct ifnet *ifp)
2483 {
2484 int error;
2485
2486 error = ieee80211_media_change(ifp);
2487
2488 return (error == ENETRESET ? 0 : error);
2489 }
2490
2491 /*
2492 * rt2860_node_alloc
2493 */
2494 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2495 const uint8_t mac[IEEE80211_ADDR_LEN])
2496 {
2497 return malloc(sizeof(struct rt2860_softc_node),
2498 M_80211_NODE, M_NOWAIT | M_ZERO);
2499 }
2500
2501 /*
2502 * rt2860_node_cleanup
2503 */
2504 static void rt2860_node_cleanup(struct ieee80211_node *ni)
2505 {
2506 struct rt2860_softc *sc;
2507 struct ieee80211com *ic;
2508 struct ifnet *ifp;
2509 struct rt2860_softc_node *rni;
2510 uint8_t vapid, wcid;
2511 uint32_t tmp;
2512
2513 ic = ni->ni_ic;
2514 ifp = ic->ic_ifp;
2515 sc = ifp->if_softc;
2516 rni = (struct rt2860_softc_node *) ni;
2517
2518 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2519 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2520 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2521 ni->ni_associd, rni->staid);
2522
2523 if (rni->staid != 0)
2524 {
2525 vapid = 0;
2526 wcid = rni->staid;
2527
2528 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2529 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2530
2531 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2532
2533 rt2860_staid_delete(sc, rni->staid);
2534
2535 rni->staid = 0;
2536 }
2537
2538 sc->node_cleanup(ni);
2539 }
2540
2541 /*
2542 * rt2860_node_getmimoinfo
2543 */
2544 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
2545 struct ieee80211_mimo_info *mi)
2546 {
2547 const struct rt2860_softc_node *rni;
2548 int i;
2549
2550 rni = (const struct rt2860_softc_node *) ni;
2551
2552 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
2553 {
2554 mi->rssi[i] = rni->last_rssi_dbm[i];
2555 mi->noise[i] = RT2860_NOISE_FLOOR;
2556 }
2557 }
2558
2559 /*
2560 * rt2860_setregdomain
2561 */
2562 static int rt2860_setregdomain(struct ieee80211com *ic,
2563 struct ieee80211_regdomain *reg,
2564 int nchans, struct ieee80211_channel chans[])
2565 {
2566 struct rt2860_softc *sc;
2567 struct ifnet *ifp;
2568
2569 ifp = ic->ic_ifp;
2570 sc = ifp->if_softc;
2571
2572 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2573 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2574 device_get_nameunit(sc->dev),
2575 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2576
2577 return 0;
2578 }
2579
2580 /*
2581 * rt2860_getradiocaps
2582 */
2583 static void rt2860_getradiocaps(struct ieee80211com *ic,
2584 int maxchans, int *nchans, struct ieee80211_channel chans[])
2585 {
2586 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2587
2588 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2589 }
2590
2591 /*
2592 * rt2860_scan_start
2593 */
2594 static void rt2860_scan_start(struct ieee80211com *ic)
2595 {
2596 struct rt2860_softc *sc;
2597 struct ifnet *ifp;
2598
2599 ifp = ic->ic_ifp;
2600 sc = ifp->if_softc;
2601
2602 rt2860_asic_disable_tsf_sync(sc);
2603 }
2604
2605 /*
2606 * rt2860_scan_end
2607 */
2608 static void rt2860_scan_end(struct ieee80211com *ic)
2609 {
2610 struct rt2860_softc *sc;
2611 struct ifnet *ifp;
2612
2613 ifp = ic->ic_ifp;
2614 sc = ifp->if_softc;
2615
2616 rt2860_asic_enable_tsf_sync(sc);
2617 }
2618
2619 /*
2620 * rt2860_set_channel
2621 */
2622 static void rt2860_set_channel(struct ieee80211com *ic)
2623 {
2624 struct rt2860_softc *sc;
2625 struct ifnet *ifp;
2626
2627 ifp = ic->ic_ifp;
2628 sc = ifp->if_softc;
2629
2630 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2631 "%s: set channel: channel=%u, HT%s%s\n",
2632 device_get_nameunit(sc->dev),
2633 ieee80211_chan2ieee(ic, ic->ic_curchan),
2634 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2635 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2636 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2637 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2638
2639 RT2860_SOFTC_LOCK(sc);
2640
2641 rt2860_rf_set_chan(sc, ic->ic_curchan);
2642
2643 RT2860_SOFTC_UNLOCK(sc);
2644 }
2645
2646 /*
2647 * rt2860_newassoc
2648 */
2649 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2650 {
2651 struct rt2860_softc *sc;
2652 struct ieee80211com *ic;
2653 struct ifnet *ifp;
2654 struct ieee80211vap *vap;
2655 struct rt2860_softc_vap *rvap;
2656 struct rt2860_softc_node *rni;
2657 uint16_t aid;
2658 uint8_t wcid;
2659
2660 vap = ni->ni_vap;
2661 ic = vap->iv_ic;
2662 ifp = ic->ic_ifp;
2663 sc = ifp->if_softc;
2664 rvap = (struct rt2860_softc_vap *) vap;
2665 rni = (struct rt2860_softc_node *) ni;
2666
2667 if (isnew)
2668 {
2669 aid = IEEE80211_AID(ni->ni_associd);
2670 rni->staid = rt2860_staid_alloc(sc, aid);
2671 wcid = rni->staid;
2672
2673 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2674 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2675
2676 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2677
2678 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2679 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2680 device_get_nameunit(sc->dev),
2681 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2682 ni->ni_associd, ni->ni_txrate,
2683 (ni->ni_flags & IEEE80211_NODE_HT) ?
2684 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2685 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2686
2687 rt2860_asic_updateprot(sc);
2688 rt2860_asic_updateslot(sc);
2689 rt2860_asic_set_txpreamble(sc);
2690 }
2691
2692 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2693 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2694 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2695 ni->ni_associd, rni->staid,
2696 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2697 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2698 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2699 }
2700
2701 /*
2702 * rt2860_updateslot
2703 */
2704 static void rt2860_updateslot(struct ifnet *ifp)
2705 {
2706 struct rt2860_softc *sc;
2707
2708 sc = ifp->if_softc;
2709
2710 rt2860_asic_updateslot(sc);
2711 }
2712
2713 /*
2714 * rt2860_update_promisc
2715 */
2716 static void rt2860_update_promisc(struct ifnet *ifp)
2717 {
2718 struct rt2860_softc *sc;
2719
2720 sc = ifp->if_softc;
2721
2722 rt2860_asic_update_promisc(sc);
2723 }
2724
2725 /*
2726 * rt2860_update_mcast
2727 */
2728 static void rt2860_update_mcast(struct ifnet *ifp)
2729 {
2730 struct rt2860_softc *sc;
2731
2732 sc = ifp->if_softc;
2733 }
2734
2735 /*
2736 * rt2860_wme_update
2737 */
2738 static int rt2860_wme_update(struct ieee80211com *ic)
2739 {
2740 struct rt2860_softc *sc;
2741 struct ifnet *ifp;
2742
2743 ifp = ic->ic_ifp;
2744 sc = ifp->if_softc;
2745
2746 rt2860_asic_wme_update(sc);
2747
2748 return 0;
2749 }
2750
2751 /*
2752 * rt2860_raw_xmit
2753 */
2754 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2755 const struct ieee80211_bpf_params *params)
2756 {
2757 struct rt2860_softc *sc;
2758 struct ieee80211com *ic;
2759 struct ifnet *ifp;
2760
2761 ic = ni->ni_ic;
2762 ifp = ic->ic_ifp;
2763 sc = ifp->if_softc;
2764
2765 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2766 {
2767 m_freem(m);
2768 ieee80211_free_node(ni);
2769
2770 return ENETDOWN;
2771 }
2772
2773 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2774
2775 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2776 {
2777 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2778
2779 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2780 "%s: raw xmit: Tx ring with qid=%d is full\n",
2781 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2782
2783 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2784
2785 m_freem(m);
2786 ieee80211_free_node(ni);
2787
2788 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2789
2790 return ENOBUFS;
2791 }
2792
2793 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2794 {
2795 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2796
2797 ifp->if_oerrors++;
2798
2799 ieee80211_free_node(ni);
2800
2801 return EIO;
2802 }
2803
2804 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2805
2806 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2807
2808 return 0;
2809 }
2810
2811 /*
2812 * rt2860_recv_action
2813 */
2814 static int rt2860_recv_action(struct ieee80211_node *ni,
2815 const struct ieee80211_frame *wh,
2816 const uint8_t *frm, const uint8_t *efrm)
2817 {
2818 struct rt2860_softc *sc;
2819 struct ieee80211com *ic;
2820 struct ifnet *ifp;
2821 struct rt2860_softc_node *rni;
2822 const struct ieee80211_action *ia;
2823 struct ieee80211_tx_ampdu *tx_ampdu;
2824 uint16_t status, baparamset;
2825 uint8_t wcid;
2826 int ret, tid, bufsize, ac;
2827 uint32_t tmp;
2828
2829 ic = ni->ni_ic;
2830 ifp = ic->ic_ifp;
2831 sc = ifp->if_softc;
2832 rni = (struct rt2860_softc_node *) ni;
2833
2834 ia = (const struct ieee80211_action *) frm;
2835
2836 ret = sc->recv_action(ni, wh, frm, efrm);
2837
2838 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2839 return ret;
2840
2841 wcid = rni->staid;
2842
2843 switch (ia->ia_action)
2844 {
2845 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2846 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2847 baparamset = LE_READ_2(frm + 3);
2848 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2849 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2850
2851 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2852 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2853 device_get_nameunit(sc->dev), ni->ni_associd, tid, bufsize);
2854
2855 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2856
2857 tmp |= (0x10000 << tid);
2858
2859 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2860 break;
2861
2862 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2863 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2864 status = LE_READ_2(frm + 3);
2865 baparamset = LE_READ_2(frm + 4);
2866 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2867 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2868 ac = TID_TO_WME_AC(tid);
2869 tx_ampdu = &ni->ni_tx_ampdu[ac];
2870
2871 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2872 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2873 device_get_nameunit(sc->dev), ni->ni_associd, status, tid, bufsize);
2874
2875 if (sc->mac_rev >= 0x28720200)
2876 {
2877 if (tx_ampdu->txa_wnd > 13)
2878 tx_ampdu->txa_wnd = 13;
2879 }
2880 else
2881 {
2882 if (tx_ampdu->txa_wnd > 7)
2883 tx_ampdu->txa_wnd = 7;
2884 }
2885
2886 if (status == IEEE80211_STATUS_SUCCESS)
2887 {
2888 sc->tx_ampdu_sessions++;
2889
2890 rt2860_asic_updateprot(sc);
2891 }
2892 break;
2893
2894 /* IEEE80211_ACTION_BA_DELBA */
2895 case IEEE80211_ACTION_BA_DELBA:
2896 baparamset = LE_READ_2(frm + 2);
2897 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2898
2899 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2900 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2901 device_get_nameunit(sc->dev), ni->ni_associd, tid);
2902
2903 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2904
2905 tmp &= ~(0x10000 << tid);
2906
2907 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2908 break;
2909 }
2910
2911 return ret;
2912 }
2913
2914 /*
2915 * rt2860_send_action
2916 */
2917 static int rt2860_send_action(struct ieee80211_node *ni,
2918 int cat, int act, void *sa)
2919 {
2920 struct rt2860_softc *sc;
2921 struct ieee80211com *ic;
2922 struct ifnet *ifp;
2923 struct rt2860_softc_node *rni;
2924 uint16_t *args, baparamset;
2925 uint8_t wcid;
2926 int ret, tid;
2927 uint32_t tmp;
2928
2929 ic = ni->ni_ic;
2930 ifp = ic->ic_ifp;
2931 sc = ifp->if_softc;
2932 rni = (struct rt2860_softc_node *) ni;
2933
2934 ret = sc->send_action(ni, cat, act, sa);
2935
2936 if (cat != IEEE80211_ACTION_CAT_BA)
2937 return ret;
2938
2939 wcid = rni->staid;
2940 args = sa;
2941
2942 switch (act)
2943 {
2944 /* IEEE80211_ACTION_BA_DELBA */
2945 case IEEE80211_ACTION_BA_DELBA:
2946 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2947
2948 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2949
2950 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2951 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2952 device_get_nameunit(sc->dev), ni->ni_associd, tid);
2953
2954 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2955 {
2956 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2957
2958 tmp &= ~(0x10000 << tid);
2959
2960 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2961 }
2962 else
2963 {
2964 sc->tx_ampdu_sessions--;
2965
2966 rt2860_asic_updateprot(sc);
2967 }
2968 break;
2969 }
2970
2971 return ret;
2972 }
2973
2974 /*
2975 * rt2860_amrr_update_iter_func
2976 */
2977 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2978 {
2979 struct rt2860_softc *sc;
2980 struct ieee80211com *ic;
2981 struct ifnet *ifp;
2982 struct ieee80211vap *vap;
2983 struct rt2860_softc_vap *rvap;
2984 struct rt2860_softc_node *rni;
2985 uint8_t wcid;
2986
2987 vap = arg;
2988 ic = vap->iv_ic;
2989 ifp = ic->ic_ifp;
2990 sc = ifp->if_softc;
2991 rvap = (struct rt2860_softc_vap *) vap;
2992 rni = (struct rt2860_softc_node *) ni;
2993
2994 /* only associated stations */
2995
2996 if ((ni->ni_vap == vap) && (rni->staid != 0))
2997 {
2998 wcid = rni->staid;
2999
3000 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3001 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3002 device_get_nameunit(sc->dev),
3003 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3004
3005 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
3006
3007 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3008 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3009 device_get_nameunit(sc->dev),
3010 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3011 ni->ni_associd, rni->staid, ni->ni_txrate,
3012 (ni->ni_flags & IEEE80211_NODE_HT) ?
3013 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3014 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3015 }
3016 }
3017
3018 /*
3019 * rt2860_periodic
3020 */
3021 static void rt2860_periodic(void *arg)
3022 {
3023 struct rt2860_softc *sc;
3024
3025 sc = arg;
3026
3027 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
3028 "%s: periodic\n",
3029 device_get_nameunit(sc->dev));
3030
3031 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3032 }
3033
3034 /*
3035 * rt2860_tx_watchdog
3036 */
3037 static void rt2860_tx_watchdog(void *arg)
3038 {
3039 struct rt2860_softc *sc;
3040 struct ifnet *ifp;
3041
3042 sc = arg;
3043 ifp = sc->ifp;
3044
3045 if (sc->tx_timer == 0)
3046 return;
3047
3048 if (--sc->tx_timer == 0)
3049 {
3050 printf("%s: Tx watchdog timeout: resetting\n",
3051 device_get_nameunit(sc->dev));
3052
3053 rt2860_stop_locked(sc);
3054 rt2860_init_locked(sc);
3055
3056 ifp->if_oerrors++;
3057
3058 sc->tx_watchdog_timeouts++;
3059 }
3060
3061 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
3062 }
3063
3064 /*
3065 * rt2860_staid_alloc
3066 */
3067 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
3068 {
3069 int staid;
3070
3071 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3072 {
3073 staid = aid;
3074 }
3075 else
3076 {
3077 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
3078 {
3079 if (isclr(sc->staid_mask, staid))
3080 break;
3081 }
3082 }
3083
3084 setbit(sc->staid_mask, staid);
3085
3086 return staid;
3087 }
3088
3089 /*
3090 * rt2860_staid_delete
3091 */
3092 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
3093 {
3094 clrbit(sc->staid_mask, staid);
3095 }
3096
3097 /*
3098 * rt2860_asic_set_bssid
3099 */
3100 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
3101 const uint8_t *bssid)
3102 {
3103 uint32_t tmp;
3104
3105 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3106 "%s: set bssid: bssid=%s\n",
3107 device_get_nameunit(sc->dev),
3108 ether_sprintf(bssid));
3109
3110 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3111
3112 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
3113
3114 tmp = bssid[4] | (bssid[5] << 8);
3115
3116 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
3117 }
3118
3119 /*
3120 * rt2860_asic_set_macaddr
3121 */
3122 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
3123 const uint8_t *addr)
3124 {
3125 uint32_t tmp;
3126
3127 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3128
3129 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
3130
3131 tmp = addr[4] | (addr[5] << 8);
3132
3133 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
3134 }
3135
3136 /*
3137 * rt2860_asic_enable_tsf_sync
3138 */
3139 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
3140 {
3141 struct ifnet *ifp;
3142 struct ieee80211com *ic;
3143 struct ieee80211vap *vap;
3144 uint32_t tmp;
3145
3146 ifp = sc->ifp;
3147 ic = ifp->if_l2com;
3148 vap = TAILQ_FIRST(&ic->ic_vaps);
3149
3150 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3151 "%s: enabling TSF\n",
3152 device_get_nameunit(sc->dev));
3153
3154 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3155
3156 tmp &= ~0x1fffff;
3157 tmp |= vap->iv_bss->ni_intval * 16;
3158 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3159
3160 if (vap->iv_opmode == IEEE80211_M_STA)
3161 {
3162 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3163 }
3164 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3165 {
3166 tmp |= RT2860_REG_BCN_TX_ENABLE;
3167 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3168 }
3169 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3170 {
3171 tmp |= RT2860_REG_BCN_TX_ENABLE;
3172 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3173 }
3174
3175 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3176 }
3177
3178 /*
3179 * rt2860_asic_disable_tsf_sync
3180 */
3181 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3182 {
3183 uint32_t tmp;
3184
3185 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3186 "%s: disabling TSF\n",
3187 device_get_nameunit(sc->dev));
3188
3189 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3190
3191 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3192 RT2860_REG_TSF_TIMER_ENABLE |
3193 RT2860_REG_TBTT_TIMER_ENABLE);
3194
3195 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3196 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3197
3198 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3199 }
3200
3201 /*
3202 * rt2860_asic_enable_mrr
3203 */
3204 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3205 {
3206 #define CCK(mcs) (mcs)
3207 #define OFDM(mcs) ((1 << 3) | (mcs))
3208 #define HT(mcs) (mcs)
3209
3210 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3211 (OFDM(6) << 28) | /* 54 -> 48 */
3212 (OFDM(5) << 24) | /* 48 -> 36 */
3213 (OFDM(4) << 20) | /* 36 -> 24 */
3214 (OFDM(3) << 16) | /* 24 -> 18 */
3215 (OFDM(2) << 12) | /* 18 -> 12 */
3216 (OFDM(1) << 8) | /* 12 -> 9 */
3217 (OFDM(0) << 4) | /* 9 -> 6 */
3218 OFDM(0)); /* 6 -> 6 */
3219
3220 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3221 (CCK(2) << 12) | /* 11 -> 5.5 */
3222 (CCK(1) << 8) | /* 5.5 -> 2 */
3223 (CCK(0) << 4) | /* 2 -> 1 */
3224 CCK(0)); /* 1 -> 1 */
3225
3226 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3227 (HT(6) << 28) |
3228 (HT(5) << 24) |
3229 (HT(4) << 20) |
3230 (HT(3) << 16) |
3231 (HT(2) << 12) |
3232 (HT(1) << 8) |
3233 (HT(0) << 4) |
3234 HT(0));
3235
3236 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3237 (HT(14) << 28) |
3238 (HT(13) << 24) |
3239 (HT(12) << 20) |
3240 (HT(11) << 16) |
3241 (HT(10) << 12) |
3242 (HT(9) << 8) |
3243 (HT(8) << 4) |
3244 HT(7));
3245
3246 #undef HT
3247 #undef OFDM
3248 #undef CCK
3249 }
3250
3251 /*
3252 * rt2860_asic_set_txpreamble
3253 */
3254 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3255 {
3256 struct ifnet *ifp;
3257 struct ieee80211com *ic;
3258 uint32_t tmp;
3259
3260 ifp = sc->ifp;
3261 ic = ifp->if_l2com;
3262
3263 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3264 "%s: %s short Tx preamble\n",
3265 device_get_nameunit(sc->dev),
3266 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3267
3268 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3269
3270 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3271
3272 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3273 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3274
3275 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3276 }
3277
3278 /*
3279 * rt2860_asic_set_basicrates
3280 */
3281 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3282 {
3283 struct ifnet *ifp;
3284 struct ieee80211com *ic;
3285
3286 ifp = sc->ifp;
3287 ic = ifp->if_l2com;
3288
3289 if (ic->ic_curmode == IEEE80211_MODE_11B)
3290 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3291 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3292 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3293 else
3294 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3295 }
3296
3297 /*
3298 * rt2860_asic_update_rtsthreshold
3299 */
3300 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3301 {
3302 struct ifnet *ifp;
3303 struct ieee80211com *ic;
3304 struct ieee80211vap *vap;
3305 uint32_t tmp;
3306 uint16_t threshold;
3307
3308 ifp = sc->ifp;
3309 ic = ifp->if_l2com;
3310 vap = TAILQ_FIRST(&ic->ic_vaps);
3311
3312 if (vap == NULL)
3313 threshold = IEEE80211_RTS_MAX;
3314 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3315 threshold = 0x1000;
3316 else
3317 threshold = vap->iv_rtsthreshold;
3318
3319 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3320 "%s: updating RTS threshold: %d\n",
3321 device_get_nameunit(sc->dev), threshold);
3322
3323 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3324
3325 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3326
3327 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3328 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3329
3330 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3331 }
3332
3333 /*
3334 * rt2860_asic_update_txpower
3335 */
3336 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3337 {
3338 struct ifnet *ifp;
3339 struct ieee80211com *ic;
3340 uint32_t *txpow_rate;
3341 int8_t delta;
3342 uint8_t val;
3343 uint32_t tmp;
3344 int i;
3345
3346 ifp = sc->ifp;
3347 ic = ifp->if_l2com;
3348
3349 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3350 "%s: updating Tx power: %d\n",
3351 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3352
3353 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3354 {
3355 txpow_rate = sc->txpow_rate_20mhz;
3356 }
3357 else
3358 {
3359 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3360 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3361 else
3362 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3363 }
3364
3365 delta = 0;
3366
3367 val = rt2860_io_bbp_read(sc, 1);
3368 val &= 0xfc;
3369
3370 if (ic->ic_txpowlimit > 90)
3371 {
3372 /* do nothing */
3373 }
3374 else if (ic->ic_txpowlimit > 60)
3375 {
3376 delta -= 1;
3377 }
3378 else if (ic->ic_txpowlimit > 30)
3379 {
3380 delta -= 3;
3381 }
3382 else if (ic->ic_txpowlimit > 15)
3383 {
3384 val |= 0x1;
3385 }
3386 else if (ic->ic_txpowlimit > 9)
3387 {
3388 val |= 0x1;
3389 delta -= 3;
3390 }
3391 else
3392 {
3393 val |= 0x2;
3394 }
3395
3396 rt2860_io_bbp_write(sc, 1, val);
3397
3398 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3399 {
3400 if (txpow_rate[i] == 0xffffffff)
3401 continue;
3402
3403 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3404
3405 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3406 }
3407 }
3408
3409 /*
3410 * rt2860_asic_update_promisc
3411 */
3412 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3413 {
3414 struct ifnet *ifp;
3415 uint32_t tmp;
3416
3417 ifp = sc->ifp;
3418
3419 printf("%s: %s promiscuous mode\n",
3420 device_get_nameunit(sc->dev),
3421 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3422
3423 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3424
3425 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3426
3427 if (!(ifp->if_flags & IFF_PROMISC))
3428 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3429
3430 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3431 }
3432
3433 /*
3434 * rt2860_asic_updateprot
3435 */
3436 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3437 {
3438 struct ifnet *ifp;
3439 struct ieee80211com *ic;
3440 struct ieee80211vap *vap;
3441 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3442 uint8_t htopmode;
3443 enum ieee80211_protmode htprotmode;
3444
3445 ifp = sc->ifp;
3446 ic = ifp->if_l2com;
3447 vap = TAILQ_FIRST(&ic->ic_vaps);
3448
3449 /* CCK frame protection */
3450
3451 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3452 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3453
3454 /* set up protection frame phy mode and rate (MCS code) */
3455
3456 if (ic->ic_curmode == IEEE80211_MODE_11A)
3457 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3458 (0 << RT2860_REG_PROT_MCS_SHIFT);
3459 else
3460 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3461 (3 << RT2860_REG_PROT_MCS_SHIFT));
3462
3463 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3464
3465 /* OFDM frame protection */
3466
3467 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3468 RT2860_REG_TXOP_ALLOW_ALL;
3469
3470 if (ic->ic_flags & IEEE80211_F_USEPROT)
3471 {
3472 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3473 "%s: updating protection mode: b/g protection mode=%s\n",
3474 device_get_nameunit(sc->dev),
3475 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3476 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3477
3478 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3479 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3480 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3481 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3482 else
3483 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3484 }
3485 else
3486 {
3487 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3488 "%s: updating protection mode: b/g protection mode=%s\n",
3489 device_get_nameunit(sc->dev), "none");
3490
3491 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3492 }
3493
3494 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3495
3496 /* HT frame protection */
3497
3498 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3499 htopmode = vap->iv_bss->ni_htopmode;
3500 else
3501 htopmode = ic->ic_curhtprotmode;
3502
3503 htprotmode = ic->ic_htprotmode;
3504
3505 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3506
3507 if (sc->tx_ampdu_sessions > 0)
3508 {
3509 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3510 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3511 device_get_nameunit(sc->dev));
3512
3513 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3514 htprotmode = IEEE80211_PROT_RTSCTS;
3515 }
3516
3517 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3518 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3519 device_get_nameunit(sc->dev),
3520 htopmode & IEEE80211_HTINFO_OPMODE,
3521 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3522 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3523
3524 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3525 {
3526 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3527 case IEEE80211_HTINFO_OPMODE_HT20PR:
3528 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3529 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3530 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3531 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3532 (4 << RT2860_REG_PROT_MCS_SHIFT);
3533
3534 gf20_prot = mm20_prot;
3535
3536 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3537 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3538 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3539
3540 if (htprotmode == IEEE80211_PROT_RTSCTS)
3541 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3542 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3543 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3544 else
3545 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3546
3547 gf40_prot = mm40_prot;
3548 break;
3549
3550 /* IEEE80211_HTINFO_OPMODE_MIXED */
3551 case IEEE80211_HTINFO_OPMODE_MIXED:
3552 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3553 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3554 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3555
3556 if (ic->ic_flags & IEEE80211_F_USEPROT)
3557 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3558 (3 << RT2860_REG_PROT_MCS_SHIFT);
3559 else
3560 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3561 (4 << RT2860_REG_PROT_MCS_SHIFT);
3562
3563 if (htprotmode == IEEE80211_PROT_RTSCTS)
3564 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3565 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3566 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3567 else
3568 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3569
3570 gf20_prot = mm20_prot;
3571
3572 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3573
3574 if (ic->ic_flags & IEEE80211_F_USEPROT)
3575 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3576 (3 << RT2860_REG_PROT_MCS_SHIFT);
3577 else
3578 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3579 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3580
3581 if (htprotmode == IEEE80211_PROT_RTSCTS)
3582 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3583 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3584 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3585 else
3586 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3587
3588 gf40_prot = mm40_prot;
3589 break;
3590
3591 /*
3592 * IEEE80211_HTINFO_OPMODE_PURE
3593 * IEEE80211_HTINFO_OPMODE_PROTOPT
3594 */
3595 case IEEE80211_HTINFO_OPMODE_PURE:
3596 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3597 default:
3598 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3599 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3600 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3601 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3602 (4 << RT2860_REG_PROT_MCS_SHIFT);
3603
3604 gf20_prot = mm20_prot;
3605
3606 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3607 RT2860_REG_TXOP_ALLOW_ALL |
3608 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3609 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3610
3611 gf40_prot = mm40_prot;
3612 break;
3613 }
3614
3615 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3616 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3617 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3618 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3619 }
3620
3621 /*
3622 * rt2860_asic_updateslot
3623 */
3624 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3625 {
3626 struct ifnet *ifp;
3627 struct ieee80211com *ic;
3628 struct ieee80211vap *vap;
3629 uint32_t tmp;
3630
3631 ifp = sc->ifp;
3632 ic = ifp->if_l2com;
3633 vap = TAILQ_FIRST(&ic->ic_vaps);
3634
3635 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3636 "%s: %s short slot time\n",
3637 device_get_nameunit(sc->dev),
3638 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3639 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3640
3641 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3642
3643 tmp &= ~0xff;
3644
3645 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3646 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3647 tmp |= IEEE80211_DUR_SHSLOT;
3648 else
3649 tmp |= IEEE80211_DUR_SLOT;
3650
3651 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3652 }
3653
3654 /*
3655 * rt2860_asic_wme_update
3656 */
3657 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3658 {
3659 struct ifnet *ifp;
3660 struct ieee80211com *ic;
3661 struct ieee80211_wme_state *wme;
3662 const struct wmeParams *wmep;
3663 int i;
3664
3665 ifp = sc->ifp;
3666 ic = ifp->if_l2com;
3667 wme = &ic->ic_wme;
3668 wmep = wme->wme_chanParams.cap_wmeParams;
3669
3670 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3671 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3672 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3673 device_get_nameunit(sc->dev),
3674 wmep[WME_AC_VO].wmep_aifsn,
3675 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3676 wmep[WME_AC_VO].wmep_txopLimit,
3677 wmep[WME_AC_VI].wmep_aifsn,
3678 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3679 wmep[WME_AC_VI].wmep_txopLimit,
3680 wmep[WME_AC_BK].wmep_aifsn,
3681 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3682 wmep[WME_AC_BK].wmep_txopLimit,
3683 wmep[WME_AC_BE].wmep_aifsn,
3684 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3685 wmep[WME_AC_BE].wmep_txopLimit);
3686
3687 for (i = 0; i < WME_NUM_AC; i++)
3688 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3689 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3690 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3691
3692 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3693 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3694 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3695
3696 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3697 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3698 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3699
3700 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3701 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3702 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3703
3704 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3705 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3706
3707 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3708 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3709 }
3710
3711 /*
3712 * rt2860_asic_update_beacon
3713 */
3714 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
3715 struct ieee80211vap *vap)
3716 {
3717 struct rt2860_softc_vap *rvap;
3718 struct mbuf *m;
3719 struct rt2860_txwi *txwi;
3720 uint32_t tmp;
3721
3722 rvap = (struct rt2860_softc_vap *) vap;
3723
3724 m = rvap->beacon_mbuf;
3725 txwi = &rvap->beacon_txwi;
3726
3727 /* disable temporarily TSF sync */
3728
3729 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3730
3731 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3732 RT2860_REG_TSF_TIMER_ENABLE |
3733 RT2860_REG_TBTT_TIMER_ENABLE);
3734
3735 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3736
3737 /* write Tx wireless info and beacon frame to on-chip memory */
3738
3739 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3740 txwi, sizeof(struct rt2860_txwi));
3741
3742 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3743 mtod(m, uint8_t *), m->m_pkthdr.len);
3744
3745 /* enable again TSF sync */
3746
3747 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3748
3749 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3750 RT2860_REG_TSF_TIMER_ENABLE |
3751 RT2860_REG_TBTT_TIMER_ENABLE);
3752
3753 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3754 }
3755
3756 /*
3757 * rt2860_asic_clear_keytables
3758 */
3759 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3760 {
3761 int i;
3762
3763 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3764
3765 for (i = 0; i < 256; i++)
3766 {
3767 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3768 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3769 }
3770
3771 /* clear WCID attribute table (entries = 256, entry size = 4) */
3772
3773 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3774
3775 /* clear IV/EIV table (entries = 256, entry size = 8) */
3776
3777 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3778
3779 /* clear pairwise key table (entries = 64, entry size = 32) */
3780
3781 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3782
3783 /* clear shared key table (entries = 32, entry size = 32) */
3784
3785 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3786
3787 /* clear shared key mode (entries = 32, entry size = 2) */
3788
3789 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3790 }
3791
3792 /*
3793 * rt2860_beacon_alloc
3794 */
3795 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
3796 struct ieee80211vap *vap)
3797 {
3798 struct ieee80211com *ic;
3799 struct rt2860_softc_vap *rvap;
3800 struct mbuf *m;
3801 struct rt2860_txwi txwi;
3802 uint8_t rate, mcs;
3803
3804 ic = vap->iv_ic;
3805 rvap = (struct rt2860_softc_vap *) vap;
3806
3807 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3808 if (m == NULL)
3809 return ENOMEM;
3810
3811 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
3812 mcs = rt2860_rate2mcs(rate);
3813
3814 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3815 "%s: beacon allocate: mcs=0x%02x\n",
3816 device_get_nameunit(sc->dev), mcs);
3817
3818 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3819
3820 txwi.wcid = RT2860_WCID_RESERVED;
3821 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3822 RT2860_TXWI_MPDU_LEN_SHIFT);
3823 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3824 txwi.mpdu_density_flags |=
3825 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3826 txwi.bawin_size_xflags |=
3827 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3828
3829 if (rate == 2)
3830 {
3831 txwi.phymode_ifs_stbc_shortgi =
3832 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3833
3834 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3835 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3836 }
3837 else
3838 {
3839 txwi.phymode_ifs_stbc_shortgi =
3840 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3841 }
3842
3843 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3844 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3845
3846 if (rvap->beacon_mbuf != NULL)
3847 {
3848 m_free(rvap->beacon_mbuf);
3849 rvap->beacon_mbuf = NULL;
3850 }
3851
3852 rvap->beacon_mbuf = m;
3853 rvap->beacon_txwi = txwi;
3854
3855 return 0;
3856 }
3857
3858 /*
3859 * rt2860_rxrate
3860 */
3861 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3862 {
3863 uint8_t mcs, phymode;
3864 uint8_t rate;
3865
3866 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3867 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3868 RT2860_RXWI_PHYMODE_MASK;
3869
3870 rate = 2;
3871
3872 switch (phymode)
3873 {
3874 case RT2860_RXWI_PHYMODE_CCK:
3875 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3876 {
3877 case 0: rate = 2; break; /* 1 Mbps */
3878 case 1: rate = 4; break; /* 2 MBps */
3879 case 2: rate = 11; break; /* 5.5 Mbps */
3880 case 3: rate = 22; break; /* 11 Mbps */
3881 }
3882 break;
3883
3884 case RT2860_RXWI_PHYMODE_OFDM:
3885 switch (mcs)
3886 {
3887 case 0: rate = 12; break; /* 6 Mbps */
3888 case 1: rate = 18; break; /* 9 Mbps */
3889 case 2: rate = 24; break; /* 12 Mbps */
3890 case 3: rate = 36; break; /* 18 Mbps */
3891 case 4: rate = 48; break; /* 24 Mbps */
3892 case 5: rate = 72; break; /* 36 Mbps */
3893 case 6: rate = 96; break; /* 48 Mbps */
3894 case 7: rate = 108; break; /* 54 Mbps */
3895 }
3896 break;
3897
3898 case RT2860_RXWI_PHYMODE_HT_MIXED:
3899 case RT2860_RXWI_PHYMODE_HT_GF:
3900 break;
3901 }
3902
3903 return rate;
3904 }
3905
3906 /*
3907 * rt2860_maxrssi_rxpath
3908 */
3909 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3910 const struct rt2860_rxwi *rxwi)
3911 {
3912 uint8_t rxpath;
3913
3914 rxpath = 0;
3915
3916 if (sc->nrxpath > 1)
3917 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3918 rxpath = 1;
3919
3920 if (sc->nrxpath > 2)
3921 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3922 rxpath = 2;
3923
3924 return rxpath;
3925 }
3926
3927 /*
3928 * rt2860_rssi2dbm
3929 */
3930 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3931 uint8_t rssi, uint8_t rxpath)
3932 {
3933 struct ifnet *ifp;
3934 struct ieee80211com *ic;
3935 struct ieee80211_channel *c;
3936 int chan;
3937 int8_t rssi_off, lna_gain;
3938
3939 if (rssi == 0)
3940 return -99;
3941
3942 ifp = sc->ifp;
3943 ic = ifp->if_l2com;
3944 c = ic->ic_curchan;
3945 chan = ieee80211_chan2ieee(ic, c);
3946
3947 if (IEEE80211_IS_CHAN_5GHZ(c))
3948 {
3949 rssi_off = sc->rssi_off_5ghz[rxpath];
3950
3951 if (chan <= 64)
3952 lna_gain = sc->lna_gain[1];
3953 else if (chan <= 128)
3954 lna_gain = sc->lna_gain[2];
3955 else
3956 lna_gain = sc->lna_gain[3];
3957 }
3958 else
3959 {
3960 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3961 lna_gain = sc->lna_gain[0];
3962 }
3963
3964 return (-12 - rssi_off - lna_gain - rssi);
3965 }
3966
3967 /*
3968 * rt2860_rate2mcs
3969 */
3970 static uint8_t rt2860_rate2mcs(uint8_t rate)
3971 {
3972 switch (rate)
3973 {
3974 /* CCK rates */
3975 case 2: return 0;
3976 case 4: return 1;
3977 case 11: return 2;
3978 case 22: return 3;
3979
3980 /* OFDM rates */
3981 case 12: return 0;
3982 case 18: return 1;
3983 case 24: return 2;
3984 case 36: return 3;
3985 case 48: return 4;
3986 case 72: return 5;
3987 case 96: return 6;
3988 case 108: return 7;
3989 }
3990
3991 return 0;
3992 }
3993
3994 /*
3995 * rt2860_tx_mgmt
3996 */
3997 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3998 struct mbuf *m, struct ieee80211_node *ni, int qid)
3999 {
4000 struct ifnet *ifp;
4001 struct ieee80211com *ic;
4002 struct ieee80211vap *vap;
4003 const struct ieee80211_txparam *tp;
4004 struct rt2860_softc_node *rni;
4005 struct rt2860_softc_tx_ring *ring;
4006 struct rt2860_softc_tx_data *data;
4007 struct rt2860_txdesc *desc;
4008 struct rt2860_txwi *txwi;
4009 struct ieee80211_frame *wh;
4010 struct rt2860_softc_tx_radiotap_header *tap;
4011 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4012 u_int hdrsize, hdrspace;
4013 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
4014 uint16_t len, dmalen, mpdu_len, dur;
4015 int error, mimops, ndmasegs, ndescs, i, j;
4016
4017 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4018 ("%s: Tx MGMT: invalid qid=%d\n",
4019 device_get_nameunit(sc->dev), qid));
4020
4021 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4022
4023 ifp = sc->ifp;
4024 ic = ifp->if_l2com;
4025 vap = ni->ni_vap;
4026 rni = (struct rt2860_softc_node *) ni;
4027 tp = ni->ni_txparms;
4028
4029 ring = &sc->tx_ring[qid];
4030 desc = &ring->desc[ring->desc_cur];
4031 data = &ring->data[ring->data_cur];
4032 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4033
4034 wh = mtod(m, struct ieee80211_frame *);
4035
4036 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4037
4038 /* fill Tx wireless info */
4039
4040 if (ni->ni_flags & IEEE80211_NODE_HT)
4041 mcs = rate;
4042 else
4043 mcs = rt2860_rate2mcs(rate);
4044
4045 /* calculate MPDU length without padding */
4046
4047 hdrsize = ieee80211_hdrsize(wh);
4048 hdrspace = ieee80211_hdrspace(ic, wh);
4049 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4050
4051 memset(txwi, 0, sizeof(struct rt2860_txwi));
4052
4053 /* management frames do not need encryption */
4054
4055 txwi->wcid = RT2860_WCID_RESERVED;
4056
4057 /* MIMO power save */
4058
4059 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4060 {
4061 if (mcs > 7)
4062 {
4063 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4064 {
4065 /* dynamic MIMO power save */
4066
4067 txwi->mpdu_density_flags |=
4068 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4069 }
4070 else
4071 {
4072 /* static MIMO power save */
4073
4074 mcs = 7;
4075 }
4076 }
4077
4078 mimops = 1;
4079 }
4080 else
4081 {
4082 mimops = 0;
4083 }
4084
4085 pid = mcs;
4086
4087 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4088 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4089 RT2860_TXWI_MPDU_LEN_SHIFT);
4090
4091 stbc = sc->tx_stbc && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4092 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4093
4094 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4095 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4096
4097 txwi->phymode_ifs_stbc_shortgi |=
4098 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4099 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4100
4101 if (ni->ni_flags & IEEE80211_NODE_HT)
4102 {
4103 txwi->phymode_ifs_stbc_shortgi |=
4104 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4105 }
4106 else
4107 {
4108 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4109 {
4110 txwi->phymode_ifs_stbc_shortgi |=
4111 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4112
4113 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4114 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4115 }
4116 else
4117 {
4118 txwi->phymode_ifs_stbc_shortgi |=
4119 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4120 }
4121 }
4122
4123 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
4124 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4125
4126 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
4127
4128 /* skip ACKs for multicast frames */
4129
4130 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4131 {
4132 txwi->bawin_size_xflags |=
4133 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4134
4135 if (ni->ni_flags & IEEE80211_NODE_HT)
4136 {
4137 /* preamble + plcp + signal extension + SIFS */
4138
4139 dur = 16 + 4 + 6 + 10;
4140 }
4141 else
4142 {
4143 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4144 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4145 }
4146
4147 *(uint16_t *) wh->i_dur = htole16(dur);
4148 }
4149
4150 /* ask MAC to insert timestamp into probe responses */
4151
4152 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4153 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4154 txwi->mpdu_density_flags |=
4155 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4156
4157 if (ieee80211_radiotap_active_vap(vap))
4158 {
4159 tap = &sc->txtap;
4160
4161 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4162 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4163 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4164 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4165 tap->chan_maxpow = 0;
4166
4167 if (ni->ni_flags & IEEE80211_NODE_HT)
4168 tap->rate = mcs | IEEE80211_RATE_MCS;
4169 else
4170 tap->rate = rate;
4171
4172 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4173 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4174
4175 if (shortgi)
4176 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4177
4178 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4179 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4180
4181 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4182 {
4183 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4184
4185 ieee80211_radiotap_tx(vap, m);
4186
4187 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4188 }
4189 else
4190 {
4191 ieee80211_radiotap_tx(vap, m);
4192 }
4193 }
4194
4195 /* copy and trim 802.11 header */
4196
4197 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4198 m_adj(m, hdrspace);
4199
4200 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4201 dma_seg, &ndmasegs, 0);
4202 if (error != 0)
4203 {
4204 /* too many fragments, linearize */
4205
4206 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4207 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4208 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4209
4210 m = m_defrag(m, M_DONTWAIT);
4211 if (m == NULL)
4212 return ENOMEM;
4213
4214 sc->tx_defrag_packets++;
4215
4216 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4217 dma_seg, &ndmasegs, 0);
4218 if (error != 0)
4219 {
4220 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4221 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4222 m_freem(m);
4223 return error;
4224 }
4225 }
4226
4227 if (m->m_pkthdr.len == 0)
4228 ndmasegs = 0;
4229
4230 /* determine how many Tx descs are required */
4231
4232 ndescs = 1 + ndmasegs / 2;
4233 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4234 {
4235 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4236 "%s: there are not enough Tx descs\n",
4237 device_get_nameunit(sc->dev));
4238
4239 sc->no_tx_desc_avail++;
4240
4241 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4242 m_freem(m);
4243 return EFBIG;
4244 }
4245
4246 data->m = m;
4247 data->ni = ni;
4248
4249 /* set up Tx descs */
4250
4251 /* first segment is Tx wireless info and 802.11 header */
4252
4253 len = sizeof(struct rt2860_txwi) + hdrsize;
4254
4255 /* align end on a 4-bytes boundary */
4256
4257 dmalen = (len + 3) & ~ 3;
4258
4259 memset((caddr_t) txwi + len, 0, dmalen - len);
4260
4261 qsel = RT2860_TXDESC_QSEL_EDCA;
4262
4263 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4264 desc->sdl0 = htole16(dmalen);
4265 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4266
4267 /* set up payload segments */
4268
4269 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4270 {
4271 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4272 desc->sdl1 = htole16(dma_seg[j].ds_len);
4273
4274 ring->desc_queued++;
4275 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4276
4277 j++;
4278
4279 desc = &ring->desc[ring->desc_cur];
4280
4281 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4282 desc->sdl0 = htole16(dma_seg[j].ds_len);
4283 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4284
4285 j++;
4286 }
4287
4288 /* finalize last payload segment */
4289
4290 if (i > 0)
4291 {
4292 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4293 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4294 }
4295 else
4296 {
4297 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4298 desc->sdl1 = 0;
4299 }
4300
4301 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4302 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4303 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4304 device_get_nameunit(sc->dev),
4305 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4306 stbc, shortgi, mcs, mimops, dmalen, ndmasegs,
4307 (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);
4308
4309 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4310 BUS_DMASYNC_PREWRITE);
4311 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4312 BUS_DMASYNC_PREWRITE);
4313 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4314 BUS_DMASYNC_PREWRITE);
4315
4316 ring->desc_queued++;
4317 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4318
4319 ring->data_queued++;
4320 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4321
4322 /* kick Tx */
4323
4324 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4325
4326 return 0;
4327 }
4328
4329 /*
4330 * rt2860_tx_data
4331 */
4332 static int rt2860_tx_data(struct rt2860_softc *sc,
4333 struct mbuf *m, struct ieee80211_node *ni, int qid)
4334 {
4335 struct ifnet *ifp;
4336 struct ieee80211com *ic;
4337 struct ieee80211vap *vap;
4338 const struct ieee80211_txparam *tp;
4339 struct rt2860_softc_node *rni;
4340 struct rt2860_softc_tx_ring *ring;
4341 struct rt2860_softc_tx_data *data;
4342 struct rt2860_txdesc *desc;
4343 struct rt2860_txwi *txwi;
4344 struct ieee80211_frame *wh;
4345 struct ieee80211_tx_ampdu *tx_ampdu;
4346 ieee80211_seq seqno;
4347 struct rt2860_softc_tx_radiotap_header *tap;
4348 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4349 u_int hdrsize, hdrspace;
4350 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4351 uint16_t qos, len, dmalen, mpdu_len, dur;
4352 int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j;
4353
4354 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4355 ("%s: Tx data: invalid qid=%d\n",
4356 device_get_nameunit(sc->dev), qid));
4357
4358 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4359
4360 ifp = sc->ifp;
4361 ic = ifp->if_l2com;
4362 vap = ni->ni_vap;
4363 rni = (struct rt2860_softc_node *) ni;
4364 tp = ni->ni_txparms;
4365
4366 ring = &sc->tx_ring[qid];
4367 desc = &ring->desc[ring->desc_cur];
4368 data = &ring->data[ring->data_cur];
4369 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4370
4371 wh = mtod(m, struct ieee80211_frame *);
4372
4373 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4374
4375 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4376 if (hasqos)
4377 {
4378 if (IEEE80211_HAS_ADDR4(wh))
4379 qos = le16toh(*(const uint16_t *)
4380 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4381 else
4382 qos = le16toh(*(const uint16_t *)
4383 (((struct ieee80211_qosframe *) wh)->i_qos));
4384 }
4385 else
4386 {
4387 qos = 0;
4388 }
4389
4390 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4391 rate = tp->mcastrate;
4392 else if (m->m_flags & M_EAPOL)
4393 rate = tp->mgmtrate;
4394 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4395 rate = tp->ucastrate;
4396 else
4397 rate = ni->ni_txrate;
4398
4399 rate &= IEEE80211_RATE_VAL;
4400
4401 /* fill Tx wireless info */
4402
4403 if (ni->ni_flags & IEEE80211_NODE_HT)
4404 mcs = rate;
4405 else
4406 mcs = rt2860_rate2mcs(rate);
4407
4408 if (type == IEEE80211_FC0_TYPE_DATA)
4409 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
4410 else
4411 wcid = RT2860_WCID_RESERVED;
4412
4413 /* calculate MPDU length without padding */
4414
4415 hdrsize = ieee80211_hdrsize(wh);
4416 hdrspace = ieee80211_hdrspace(ic, wh);
4417 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4418
4419 memset(txwi, 0, sizeof(struct rt2860_txwi));
4420
4421 txwi->wcid = wcid;
4422
4423 /* MIMO power save */
4424
4425 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4426 {
4427 if (mcs > 7)
4428 {
4429 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4430 {
4431 /* dynamic MIMO power save */
4432
4433 txwi->mpdu_density_flags |=
4434 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4435 }
4436 else
4437 {
4438 /* static MIMO power save */
4439
4440 mcs = 7;
4441 }
4442 }
4443
4444 mimops = 1;
4445 }
4446 else
4447 {
4448 mimops = 0;
4449 }
4450
4451 pid = mcs;
4452
4453 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4454 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4455 RT2860_TXWI_MPDU_LEN_SHIFT);
4456
4457 stbc = sc->tx_stbc && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4458 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4459
4460 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4461 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4462
4463 txwi->phymode_ifs_stbc_shortgi |=
4464 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4465 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4466
4467 if (ni->ni_flags & IEEE80211_NODE_HT)
4468 {
4469 txwi->phymode_ifs_stbc_shortgi |=
4470 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4471 }
4472 else
4473 {
4474 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4475 {
4476 txwi->phymode_ifs_stbc_shortgi |=
4477 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4478
4479 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4480 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4481 }
4482 else
4483 {
4484 txwi->phymode_ifs_stbc_shortgi |=
4485 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4486 }
4487 }
4488
4489 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4490 bw = RT2860_TXWI_BW_40;
4491 else
4492 bw = RT2860_TXWI_BW_20;
4493
4494 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4495 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4496
4497 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4498
4499 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4500 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4501 {
4502 txwi->bawin_size_xflags |=
4503 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4504
4505 if (ni->ni_flags & IEEE80211_NODE_HT)
4506 {
4507 /* preamble + plcp + signal extension + SIFS */
4508
4509 dur = 16 + 4 + 6 + 10;
4510 }
4511 else
4512 {
4513 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4514 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4515 }
4516
4517 *(uint16_t *) wh->i_dur = htole16(dur);
4518 }
4519
4520 /* check for A-MPDU */
4521
4522 if (m->m_flags & M_AMPDU_MPDU)
4523 {
4524 ac = M_WME_GETAC(m);
4525 tid = WME_AC_TO_TID(ac);
4526 tx_ampdu = &ni->ni_tx_ampdu[ac];
4527
4528 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4529 bawin_size = tx_ampdu->txa_wnd;
4530
4531 txwi->mpdu_density_flags |=
4532 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4533 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4534
4535 txwi->bawin_size_xflags |=
4536 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4537
4538 seqno = ni->ni_txseqs[tid]++;
4539
4540 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4541
4542 ampdu = 1;
4543 }
4544 else
4545 {
4546 ampdu = 0;
4547 }
4548
4549 /* ask MAC to insert timestamp into probe responses */
4550
4551 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4552 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4553 txwi->mpdu_density_flags |=
4554 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4555
4556 if (ieee80211_radiotap_active_vap(vap))
4557 {
4558 tap = &sc->txtap;
4559
4560 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4561 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4562 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4563 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4564 tap->chan_maxpow = 0;
4565
4566 if (ni->ni_flags & IEEE80211_NODE_HT)
4567 tap->rate = mcs | IEEE80211_RATE_MCS;
4568 else
4569 tap->rate = rate;
4570
4571 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4572 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4573
4574 if (shortgi)
4575 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4576
4577 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4578 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4579
4580 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4581 {
4582 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4583
4584 ieee80211_radiotap_tx(vap, m);
4585
4586 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4587 }
4588 else
4589 {
4590 ieee80211_radiotap_tx(vap, m);
4591 }
4592 }
4593
4594 /* copy and trim 802.11 header */
4595
4596 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4597 m_adj(m, hdrspace);
4598
4599 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4600 dma_seg, &ndmasegs, 0);
4601 if (error != 0)
4602 {
4603 /* too many fragments, linearize */
4604
4605 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4606 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4607 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4608
4609 m = m_defrag(m, M_DONTWAIT);
4610 if (m == NULL)
4611 return ENOMEM;
4612
4613 sc->tx_defrag_packets++;
4614
4615 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4616 dma_seg, &ndmasegs, 0);
4617 if (error != 0)
4618 {
4619 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4620 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4621 m_freem(m);
4622 return error;
4623 }
4624 }
4625
4626 if (m->m_pkthdr.len == 0)
4627 ndmasegs = 0;
4628
4629 /* determine how many Tx descs are required */
4630
4631 ndescs = 1 + ndmasegs / 2;
4632 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4633 {
4634 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4635 "%s: there are not enough Tx descs\n",
4636 device_get_nameunit(sc->dev));
4637
4638 sc->no_tx_desc_avail++;
4639
4640 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4641 m_freem(m);
4642 return EFBIG;
4643 }
4644
4645 data->m = m;
4646 data->ni = ni;
4647
4648 /* set up Tx descs */
4649
4650 /* first segment is Tx wireless info and 802.11 header */
4651
4652 len = sizeof(struct rt2860_txwi) + hdrsize;
4653
4654 /* align end on a 4-bytes boundary */
4655
4656 dmalen = (len + 3) & ~ 3;
4657
4658 memset((caddr_t) txwi + len, 0, dmalen - len);
4659
4660 qsel = RT2860_TXDESC_QSEL_EDCA;
4661
4662 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4663 desc->sdl0 = htole16(dmalen);
4664 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4665
4666 /* set up payload segments */
4667
4668 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4669 {
4670 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4671 desc->sdl1 = htole16(dma_seg[j].ds_len);
4672
4673 ring->desc_queued++;
4674 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4675
4676 j++;
4677
4678 desc = &ring->desc[ring->desc_cur];
4679
4680 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4681 desc->sdl0 = htole16(dma_seg[j].ds_len);
4682 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4683
4684 j++;
4685 }
4686
4687 /* finalize last payload segment */
4688
4689 if (i > 0)
4690 {
4691 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4692 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4693 }
4694 else
4695 {
4696 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4697 desc->sdl1 = 0;
4698 }
4699
4700 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4701 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4702 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4703 device_get_nameunit(sc->dev),
4704 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4705 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen, ndmasegs,
4706 (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);
4707
4708 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4709 BUS_DMASYNC_PREWRITE);
4710 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4711 BUS_DMASYNC_PREWRITE);
4712 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4713 BUS_DMASYNC_PREWRITE);
4714
4715 ring->desc_queued++;
4716 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4717
4718 ring->data_queued++;
4719 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4720
4721 /* kick Tx */
4722
4723 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4724
4725 return 0;
4726 }
4727
4728 /*
4729 * rt2860_tx_raw
4730 */
4731 static int rt2860_tx_raw(struct rt2860_softc *sc,
4732 struct mbuf *m, struct ieee80211_node *ni,
4733 const struct ieee80211_bpf_params *params)
4734 {
4735 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4736 "%s: Tx raw\n",
4737 device_get_nameunit(sc->dev));
4738
4739 return 0;
4740 }
4741
4742 /*
4743 * rt2860_intr
4744 */
4745 static void rt2860_intr(void *arg)
4746 {
4747 struct rt2860_softc *sc;
4748 struct ifnet *ifp;
4749 uint32_t status;
4750
4751 sc = arg;
4752 ifp = sc->ifp;
4753
4754 /* acknowledge interrupts */
4755
4756 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4757 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4758
4759 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4760 "%s: interrupt: status = 0x%08x\n",
4761 device_get_nameunit(sc->dev), status);
4762
4763 if (status == 0xffffffff || /* device likely went away */
4764 status == 0) /* not for us */
4765 return;
4766
4767 sc->interrupts++;
4768
4769 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4770 return;
4771
4772 if (status & RT2860_REG_INT_TX_COHERENT)
4773 rt2860_tx_coherent_intr(sc);
4774
4775 if (status & RT2860_REG_INT_RX_COHERENT)
4776 rt2860_rx_coherent_intr(sc);
4777
4778 if (status & RT2860_REG_INT_TXRX_COHERENT)
4779 rt2860_txrx_coherent_intr(sc);
4780
4781 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4782 rt2860_fifo_sta_full_intr(sc);
4783
4784 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4785 rt2860_tx_intr(sc, 5);
4786
4787 if (status & RT2860_REG_INT_RX_DONE)
4788 rt2860_rx_intr(sc);
4789
4790 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4791 rt2860_rx_delay_intr(sc);
4792
4793 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4794 rt2860_tx_intr(sc, 4);
4795
4796 if (status & RT2860_REG_INT_TX_AC3_DONE)
4797 rt2860_tx_intr(sc, 3);
4798
4799 if (status & RT2860_REG_INT_TX_AC2_DONE)
4800 rt2860_tx_intr(sc, 2);
4801
4802 if (status & RT2860_REG_INT_TX_AC1_DONE)
4803 rt2860_tx_intr(sc, 1);
4804
4805 if (status & RT2860_REG_INT_TX_AC0_DONE)
4806 rt2860_tx_intr(sc, 0);
4807
4808 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4809 rt2860_tx_delay_intr(sc);
4810
4811 if (status & RT2860_REG_INT_PRE_TBTT)
4812 rt2860_pre_tbtt_intr(sc);
4813
4814 if (status & RT2860_REG_INT_TBTT)
4815 rt2860_tbtt_intr(sc);
4816
4817 if (status & RT2860_REG_INT_MCU_CMD)
4818 rt2860_mcu_cmd_intr(sc);
4819
4820 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4821 rt2860_auto_wakeup_intr(sc);
4822
4823 if (status & RT2860_REG_INT_GP_TIMER)
4824 rt2860_gp_timer_intr(sc);
4825 }
4826
4827 /*
4828 * rt2860_tx_coherent_intr
4829 */
4830 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4831 {
4832 uint32_t tmp;
4833 int i;
4834
4835 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4836 "%s: Tx coherent interrupt\n",
4837 device_get_nameunit(sc->dev));
4838
4839 sc->tx_coherent_interrupts++;
4840
4841 /* restart DMA engine */
4842
4843 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4844
4845 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4846 RT2860_REG_RX_DMA_ENABLE |
4847 RT2860_REG_TX_DMA_ENABLE);
4848
4849 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4850
4851 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4852
4853 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4854 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4855
4856 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4857 {
4858 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4859 sc->tx_ring[i].desc_phys_addr);
4860 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4861 RT2860_SOFTC_TX_RING_DESC_COUNT);
4862 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4863 }
4864
4865 /* init Rx ring */
4866
4867 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4868
4869 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4870 sc->rx_ring.desc_phys_addr);
4871 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4872 RT2860_SOFTC_RX_RING_DATA_COUNT);
4873 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4874 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4875
4876 rt2860_txrx_enable(sc);
4877 }
4878
4879 /*
4880 * rt2860_rx_coherent_intr
4881 */
4882 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4883 {
4884 uint32_t tmp;
4885 int i;
4886
4887 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4888 "%s: Rx coherent interrupt\n",
4889 device_get_nameunit(sc->dev));
4890
4891 sc->rx_coherent_interrupts++;
4892
4893 /* restart DMA engine */
4894
4895 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4896
4897 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4898 RT2860_REG_RX_DMA_ENABLE |
4899 RT2860_REG_TX_DMA_ENABLE);
4900
4901 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4902
4903 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4904
4905 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4906 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4907
4908 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4909 {
4910 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4911 sc->tx_ring[i].desc_phys_addr);
4912 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4913 RT2860_SOFTC_TX_RING_DESC_COUNT);
4914 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4915 }
4916
4917 /* init Rx ring */
4918
4919 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4920
4921 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4922 sc->rx_ring.desc_phys_addr);
4923 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4924 RT2860_SOFTC_RX_RING_DATA_COUNT);
4925 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4926 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4927
4928 rt2860_txrx_enable(sc);
4929 }
4930
4931 /*
4932 * rt2860_txrx_coherent_intr
4933 */
4934 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4935 {
4936 uint32_t tmp;
4937 int i;
4938
4939 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4940 "%s: Tx/Rx coherent interrupt\n",
4941 device_get_nameunit(sc->dev));
4942
4943 sc->txrx_coherent_interrupts++;
4944
4945 /* restart DMA engine */
4946
4947 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4948
4949 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4950 RT2860_REG_RX_DMA_ENABLE |
4951 RT2860_REG_TX_DMA_ENABLE);
4952
4953 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4954
4955 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4956
4957 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4958 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4959
4960 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4961 {
4962 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4963 sc->tx_ring[i].desc_phys_addr);
4964 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4965 RT2860_SOFTC_TX_RING_DESC_COUNT);
4966 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4967 }
4968
4969 /* init Rx ring */
4970
4971 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4972
4973 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4974 sc->rx_ring.desc_phys_addr);
4975 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4976 RT2860_SOFTC_RX_RING_DATA_COUNT);
4977 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4978 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4979
4980 rt2860_txrx_enable(sc);
4981 }
4982
4983 /*
4984 * rt2860_fifo_sta_full_intr
4985 */
4986 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4987 {
4988 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4989 "%s: FIFO statistic full interrupt\n",
4990 device_get_nameunit(sc->dev));
4991
4992 sc->fifo_sta_full_interrupts++;
4993
4994 RT2860_SOFTC_LOCK(sc);
4995
4996 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4997 {
4998 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4999
5000 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5001 }
5002
5003 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
5004
5005 RT2860_SOFTC_UNLOCK(sc);
5006 }
5007
5008 /*
5009 * rt2860_rx_intr
5010 */
5011 static void rt2860_rx_intr(struct rt2860_softc *sc)
5012 {
5013 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5014 "%s: Rx interrupt\n",
5015 device_get_nameunit(sc->dev));
5016
5017 sc->rx_interrupts++;
5018
5019 RT2860_SOFTC_LOCK(sc);
5020
5021 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
5022 {
5023 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
5024
5025 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5026 }
5027
5028 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
5029
5030 RT2860_SOFTC_UNLOCK(sc);
5031 }
5032
5033 /*
5034 * rt2860_rx_delay_intr
5035 */
5036 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
5037 {
5038 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5039 "%s: Rx delay interrupt\n",
5040 device_get_nameunit(sc->dev));
5041
5042 sc->rx_delay_interrupts++;
5043 }
5044
5045 /*
5046 * rt2860_tx_intr
5047 */
5048 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
5049 {
5050 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
5051 ("%s: Tx interrupt: invalid qid=%d\n",
5052 device_get_nameunit(sc->dev), qid));
5053
5054 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5055 "%s: Tx interrupt: qid=%d\n",
5056 device_get_nameunit(sc->dev), qid);
5057
5058 sc->tx_interrupts[qid]++;
5059
5060 RT2860_SOFTC_LOCK(sc);
5061
5062 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
5063 {
5064 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
5065
5066 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5067 }
5068
5069 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
5070
5071 RT2860_SOFTC_UNLOCK(sc);
5072 }
5073
5074 /*
5075 * rt2860_tx_delay_intr
5076 */
5077 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
5078 {
5079 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5080 "%s: Tx delay interrupt\n",
5081 device_get_nameunit(sc->dev));
5082
5083 sc->tx_delay_interrupts++;
5084 }
5085
5086 /*
5087 * rt2860_pre_tbtt_intr
5088 */
5089 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
5090 {
5091 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5092 "%s: Pre-TBTT interrupt\n",
5093 device_get_nameunit(sc->dev));
5094
5095 sc->pre_tbtt_interrupts++;
5096 }
5097
5098 /*
5099 * rt2860_tbtt_intr
5100 */
5101 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
5102 {
5103 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5104 "%s: TBTT interrupt\n",
5105 device_get_nameunit(sc->dev));
5106
5107 sc->tbtt_interrupts++;
5108 }
5109
5110 /*
5111 * rt2860_mcu_cmd_intr
5112 */
5113 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
5114 {
5115 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5116 "%s: MCU command interrupt\n",
5117 device_get_nameunit(sc->dev));
5118
5119 sc->mcu_cmd_interrupts++;
5120 }
5121
5122 /*
5123 * rt2860_auto_wakeup_intr
5124 */
5125 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
5126 {
5127 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5128 "%s: auto wakeup interrupt\n",
5129 device_get_nameunit(sc->dev));
5130
5131 sc->auto_wakeup_interrupts++;
5132 }
5133
5134 /*
5135 * rt2860_gp_timer_intr
5136 */
5137 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
5138 {
5139 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5140 "%s: GP timer interrupt\n",
5141 device_get_nameunit(sc->dev));
5142
5143 sc->gp_timer_interrupts++;
5144 }
5145
5146 /*
5147 * rt2860_rx_done_task
5148 */
5149 static void rt2860_rx_done_task(void *context, int pending)
5150 {
5151 struct rt2860_softc *sc;
5152 struct ifnet *ifp;
5153 int again;
5154
5155 sc = context;
5156 ifp = sc->ifp;
5157
5158 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5159 "%s: Rx done task\n",
5160 device_get_nameunit(sc->dev));
5161
5162 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5163 return;
5164
5165 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
5166
5167 again = rt2860_rx_eof(sc, sc->rx_process_limit);
5168
5169 RT2860_SOFTC_LOCK(sc);
5170
5171 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
5172 {
5173 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5174 "%s: Rx done task: scheduling again\n",
5175 device_get_nameunit(sc->dev));
5176
5177 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5178 }
5179 else
5180 {
5181 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
5182 }
5183
5184 RT2860_SOFTC_UNLOCK(sc);
5185 }
5186
5187 /*
5188 * rt2860_tx_done_task
5189 */
5190 static void rt2860_tx_done_task(void *context, int pending)
5191 {
5192 struct rt2860_softc *sc;
5193 struct ifnet *ifp;
5194 uint32_t intr_mask;
5195 int i;
5196
5197 sc = context;
5198 ifp = sc->ifp;
5199
5200 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5201 "%s: Tx done task\n",
5202 device_get_nameunit(sc->dev));
5203
5204 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5205 return;
5206
5207 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
5208 {
5209 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
5210 {
5211 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
5212
5213 rt2860_tx_eof(sc, &sc->tx_ring[i]);
5214 }
5215 }
5216
5217 sc->tx_timer = 0;
5218
5219 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5220
5221 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
5222 RT2860_REG_INT_TX_HCCA_DONE |
5223 RT2860_REG_INT_TX_AC3_DONE |
5224 RT2860_REG_INT_TX_AC2_DONE |
5225 RT2860_REG_INT_TX_AC1_DONE |
5226 RT2860_REG_INT_TX_AC0_DONE);
5227
5228 RT2860_SOFTC_LOCK(sc);
5229
5230 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
5231 (sc->intr_disable_mask & intr_mask));
5232
5233 if (sc->intr_pending_mask & intr_mask)
5234 {
5235 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5236 "%s: Tx done task: scheduling again\n",
5237 device_get_nameunit(sc->dev));
5238
5239 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5240 }
5241
5242 RT2860_SOFTC_UNLOCK(sc);
5243
5244 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5245 rt2860_start(ifp);
5246 }
5247
5248 /*
5249 * rt2860_fifo_sta_full_task
5250 */
5251 static void rt2860_fifo_sta_full_task(void *context, int pending)
5252 {
5253 struct rt2860_softc *sc;
5254 struct ifnet *ifp;
5255
5256 sc = context;
5257 ifp = sc->ifp;
5258
5259 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5260 "%s: FIFO statistic full task\n",
5261 device_get_nameunit(sc->dev));
5262
5263 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5264 return;
5265
5266 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
5267
5268 rt2860_drain_fifo_stats(sc);
5269
5270 RT2860_SOFTC_LOCK(sc);
5271
5272 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
5273 {
5274 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5275 "%s: FIFO statistic full task: scheduling again\n",
5276 device_get_nameunit(sc->dev));
5277
5278 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5279 }
5280 else
5281 {
5282 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5283 }
5284
5285 RT2860_SOFTC_UNLOCK(sc);
5286
5287 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5288 rt2860_start(ifp);
5289 }
5290
5291 /*
5292 * rt2860_periodic_task
5293 */
5294 static void rt2860_periodic_task(void *context, int pending)
5295 {
5296 struct rt2860_softc *sc;
5297 struct ifnet *ifp;
5298 struct ieee80211com *ic;
5299 struct ieee80211vap *vap;
5300
5301 sc = context;
5302 ifp = sc->ifp;
5303 ic = ifp->if_l2com;
5304 vap = TAILQ_FIRST(&ic->ic_vaps);
5305
5306 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5307 "%s: periodic task: round=%lu\n",
5308 device_get_nameunit(sc->dev), sc->periodic_round);
5309
5310 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5311 return;
5312
5313 RT2860_SOFTC_LOCK(sc);
5314
5315 sc->periodic_round++;
5316
5317 rt2860_update_stats(sc);
5318
5319 if ((sc->periodic_round % 10) == 0)
5320 {
5321 rt2860_bbp_tuning(sc);
5322
5323 rt2860_update_raw_counters(sc);
5324
5325 rt2860_watchdog(sc);
5326
5327 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5328 {
5329 if (vap->iv_opmode == IEEE80211_M_STA)
5330 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5331 else
5332 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5333 }
5334 }
5335
5336 RT2860_SOFTC_UNLOCK(sc);
5337
5338 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5339 }
5340
5341 /*
5342 * rt2860_rx_eof
5343 */
5344 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5345 {
5346 struct ifnet *ifp;
5347 struct ieee80211com *ic;
5348 struct ieee80211_frame *wh;
5349 struct ieee80211_node *ni;
5350 struct rt2860_softc_node *rni;
5351 struct rt2860_softc_rx_radiotap_header *tap;
5352 struct rt2860_softc_rx_ring *ring;
5353 struct rt2860_rxdesc *desc;
5354 struct rt2860_softc_rx_data *data;
5355 struct rt2860_rxwi *rxwi;
5356 struct mbuf *m, *mnew;
5357 bus_dma_segment_t segs[1];
5358 bus_dmamap_t dma_map;
5359 uint32_t index, desc_flags;
5360 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
5361 int8_t rssi_dbm;
5362 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5363
5364 ifp = sc->ifp;
5365 ic = ifp->if_l2com;
5366 ring = &sc->rx_ring;
5367
5368 nframes = 0;
5369
5370 while (limit != 0)
5371 {
5372 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5373 if (ring->cur == index)
5374 break;
5375
5376 desc = &ring->desc[ring->cur];
5377 desc_flags = le32toh(desc->flags);
5378 data = &ring->data[ring->cur];
5379
5380 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5381 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5382
5383 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5384 break;
5385
5386 nframes++;
5387
5388 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5389 if (mnew == NULL)
5390 {
5391 sc->rx_mbuf_alloc_errors++;
5392 ifp->if_ierrors++;
5393 goto skip;
5394 }
5395
5396 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5397
5398 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5399 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5400 if (error != 0)
5401 {
5402 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5403 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5404 device_get_nameunit(sc->dev), error, nsegs);
5405
5406 m_freem(mnew);
5407
5408 sc->rx_mbuf_dmamap_errors++;
5409 ifp->if_ierrors++;
5410
5411 goto skip;
5412 }
5413
5414 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5415 device_get_nameunit(sc->dev)));
5416
5417 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5418 BUS_DMASYNC_POSTREAD);
5419 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5420
5421 dma_map = data->dma_map;
5422 data->dma_map = ring->spare_dma_map;
5423 ring->spare_dma_map = dma_map;
5424
5425 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5426 BUS_DMASYNC_PREREAD);
5427
5428 m = data->m;
5429
5430 data->m = mnew;
5431 desc->sdp0 = htole32(segs[0].ds_addr);
5432
5433 /* get Rx wireless info */
5434
5435 rxwi = mtod(m, struct rt2860_rxwi *);
5436 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5437 RT2860_RXWI_SIZE_MASK;
5438
5439 /* check for L2 padding between IEEE 802.11 frame header and body */
5440
5441 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5442 {
5443 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5444 "%s: L2 padding: len=%d\n",
5445 device_get_nameunit(sc->dev), len);
5446
5447 len += 2;
5448 }
5449
5450 m->m_pkthdr.rcvif = ifp;
5451 m->m_data = (caddr_t) (rxwi + 1);
5452 m->m_pkthdr.len = m->m_len = len;
5453
5454 /* check for crc errors */
5455
5456 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5457 {
5458 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5459 "%s: rxdesc: crc error\n",
5460 device_get_nameunit(sc->dev));
5461
5462 ifp->if_ierrors++;
5463
5464 if (!(ifp->if_flags & IFF_PROMISC))
5465 {
5466 m_freem(m);
5467 goto skip;
5468 }
5469 }
5470
5471 wh = (struct ieee80211_frame *) (rxwi + 1);
5472
5473 /* check for cipher errors */
5474
5475 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5476 {
5477 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5478 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5479 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5480 {
5481 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5482 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5483
5484 m->m_flags |= M_WEP;
5485
5486 sc->rx_cipher_no_errors++;
5487 }
5488 else
5489 {
5490 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5491 "%s: rxdesc: cipher error=0x%02x\n",
5492 device_get_nameunit(sc->dev), cipher_err);
5493
5494 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5495 sc->rx_cipher_icv_errors++;
5496 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5497 sc->rx_cipher_mic_errors++;
5498 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5499 sc->rx_cipher_invalid_key_errors++;
5500
5501 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5502 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5503 {
5504 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5505 if (ni != NULL)
5506 {
5507 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5508 RT2860_RXWI_KEYIDX_MASK;
5509
5510 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5511
5512 ieee80211_free_node(ni);
5513 }
5514 }
5515
5516 ifp->if_ierrors++;
5517
5518 if (!(ifp->if_flags & IFF_PROMISC))
5519 {
5520 m_free(m);
5521 goto skip;
5522 }
5523 }
5524 }
5525 else
5526 {
5527 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5528 {
5529 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5530 "%s: rxdesc: not decrypted but protected flag set\n",
5531 device_get_nameunit(sc->dev));
5532
5533 ifp->if_ierrors++;
5534
5535 if (!(ifp->if_flags & IFF_PROMISC))
5536 {
5537 m_free(m);
5538 goto skip;
5539 }
5540 }
5541 }
5542
5543 /* check for A-MPDU */
5544
5545 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5546 {
5547 m->m_flags |= M_AMPDU;
5548
5549 sc->rx_ampdu++;
5550
5551 ampdu = 1;
5552 }
5553 else
5554 {
5555 ampdu = 0;
5556 }
5557
5558 /* check for A-MSDU */
5559
5560 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5561 {
5562 sc->rx_amsdu++;
5563
5564 amsdu = 1;
5565 }
5566 else
5567 {
5568 amsdu = 0;
5569 }
5570
5571 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5572 rssi = rxwi->rssi[ant];
5573 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5574 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5575 RT2860_RXWI_PHYMODE_MASK);
5576 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5577 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5578 RT2860_RXWI_SHORTGI_MASK);
5579 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5580
5581 if (ieee80211_radiotap_active(ic))
5582 {
5583 tap = &sc->rxtap;
5584
5585 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5586 tap->dbm_antsignal = rssi_dbm;
5587 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5588 tap->antenna = ant;
5589 tap->antsignal = rssi;
5590 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5591 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5592 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5593 tap->chan_maxpow = 0;
5594
5595 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5596 tap->rate = mcs | IEEE80211_RATE_MCS;
5597 else
5598 tap->rate = rt2860_rxrate(rxwi);
5599
5600 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5601 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5602
5603 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5604 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5605
5606 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5607 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5608
5609 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5610 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5611 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5612
5613 if (shortgi)
5614 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5615 }
5616
5617 /*
5618 * net80211 assumes that RSSI data are in the range [-127..127] and
5619 * in .5 dBm units relative to the current noise floor
5620 */
5621
5622 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5623 if (rssi_dbm_rel > 127)
5624 rssi_dbm_rel = 127;
5625
5626 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5627 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5628 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5629 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5630 device_get_nameunit(sc->dev),
5631 len, phymode, bw, shortgi, mcs,
5632 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5633 rxwi->snr[0], rxwi->snr[1],
5634 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5635
5636 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5637 if (ni != NULL)
5638 {
5639 rni = (struct rt2860_softc_node *) ni;
5640
5641 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5642 {
5643 rni->last_rssi[i] = rxwi->rssi[i];
5644 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5645 }
5646
5647 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5648 ieee80211_free_node(ni);
5649 }
5650 else
5651 {
5652 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5653 }
5654
5655 skip:
5656
5657 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5658
5659 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5660 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5661
5662 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5663
5664 limit--;
5665 }
5666
5667 if (ring->cur == 0)
5668 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5669 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5670 else
5671 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5672 ring->cur - 1);
5673
5674 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5675 "%s: Rx eof: nframes=%d\n",
5676 device_get_nameunit(sc->dev), nframes);
5677
5678 sc->rx_packets += nframes;
5679
5680 return (limit == 0);
5681 }
5682
5683 /*
5684 * rt2860_tx_eof
5685 */
5686 static void rt2860_tx_eof(struct rt2860_softc *sc,
5687 struct rt2860_softc_tx_ring *ring)
5688 {
5689 struct ifnet *ifp;
5690 struct rt2860_txdesc *desc;
5691 struct rt2860_softc_tx_data *data;
5692 uint32_t index;
5693 int ndescs, nframes;
5694
5695 ifp = sc->ifp;
5696
5697 ndescs = 0;
5698 nframes = 0;
5699
5700 for (;;)
5701 {
5702 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5703 if (ring->desc_next == index)
5704 break;
5705
5706 ndescs++;
5707
5708 rt2860_drain_fifo_stats(sc);
5709
5710 desc = &ring->desc[ring->desc_next];
5711
5712 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5713 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5714
5715 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5716 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5717 {
5718 nframes++;
5719
5720 data = &ring->data[ring->data_next];
5721
5722 if (data->m->m_flags & M_TXCB)
5723 ieee80211_process_callback(data->ni, data->m, 0);
5724
5725 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5726 BUS_DMASYNC_POSTWRITE);
5727 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5728
5729 m_freem(data->m);
5730
5731 ieee80211_free_node(data->ni);
5732
5733 data->m = NULL;
5734 data->ni = NULL;
5735
5736 ifp->if_opackets++;
5737
5738 RT2860_SOFTC_TX_RING_LOCK(ring);
5739
5740 ring->data_queued--;
5741 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5742
5743 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5744 }
5745
5746 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5747
5748 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5749 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5750
5751 RT2860_SOFTC_TX_RING_LOCK(ring);
5752
5753 ring->desc_queued--;
5754 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5755
5756 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5757 }
5758
5759 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5760 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5761 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5762 }
5763
5764 /*
5765 * rt2860_update_stats
5766 */
5767 static void rt2860_update_stats(struct rt2860_softc *sc)
5768 {
5769 struct ifnet *ifp;
5770 struct ieee80211com *ic;
5771 uint32_t stacnt[3];
5772 int beacons, noretryok, retryok, failed, underflows, zerolen;
5773
5774 ifp = sc->ifp;
5775 ic = ifp->if_l2com;
5776
5777 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5778 "%s: update statistic\n",
5779 device_get_nameunit(sc->dev));
5780
5781 rt2860_drain_fifo_stats(sc);
5782
5783 /* read and clear Tx statistic registers */
5784
5785 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5786 stacnt, sizeof(stacnt));
5787
5788 stacnt[0] = le32toh(stacnt[0]);
5789 stacnt[1] = le32toh(stacnt[1]);
5790 stacnt[2] = le32toh(stacnt[2]);
5791
5792 beacons = stacnt[0] >> 16;
5793 noretryok = stacnt[1] & 0xffff;
5794 retryok = stacnt[1] >> 16;
5795 failed = stacnt[0] & 0xffff;
5796 underflows = stacnt[2] >> 16;
5797 zerolen = stacnt[2] & 0xffff;
5798
5799 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5800 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5801 device_get_nameunit(sc->dev),
5802 beacons, noretryok, retryok, failed, underflows, zerolen);
5803
5804 ifp->if_oerrors += failed;
5805
5806 sc->tx_beacons += beacons;
5807 sc->tx_noretryok += noretryok;
5808 sc->tx_retryok += retryok;
5809 sc->tx_failed += failed;
5810 sc->tx_underflows += underflows;
5811 sc->tx_zerolen += zerolen;
5812 }
5813
5814 /*
5815 * rt2860_bbp_tuning
5816 */
5817 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5818 {
5819 struct ifnet *ifp;
5820 struct ieee80211com *ic;
5821 struct ieee80211vap *vap;
5822 struct ieee80211_node *ni;
5823 int chan, group;
5824 int8_t rssi, old, new;
5825
5826 /* RT2860C does not support BBP tuning */
5827
5828 if (sc->mac_rev == 0x28600100)
5829 return;
5830
5831 ifp = sc->ifp;
5832 ic = ifp->if_l2com;
5833 vap = TAILQ_FIRST(&ic->ic_vaps);
5834
5835 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5836 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5837 return;
5838
5839 ni = vap->iv_bss;
5840
5841 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5842
5843 if (chan <= 14)
5844 group = 0;
5845 else if (chan <= 64)
5846 group = 1;
5847 else if (chan <= 128)
5848 group = 2;
5849 else
5850 group = 3;
5851
5852 rssi = ieee80211_getrssi(vap);
5853
5854 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5855 {
5856 new = 0x2e + sc->lna_gain[group];
5857 }
5858 else
5859 {
5860 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5861 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5862 else
5863 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5864 }
5865
5866 /* Tune if absolute average RSSI is greater than -80 */
5867
5868 if (rssi > 30)
5869 new += 0x10;
5870
5871 old = rt2860_io_bbp_read(sc, 66);
5872
5873 if (old != new)
5874 rt2860_io_bbp_write(sc, 66, new);
5875 }
5876
5877 /*
5878 * rt2860_watchdog
5879 */
5880 static void rt2860_watchdog(struct rt2860_softc *sc)
5881 {
5882 uint32_t tmp;
5883 int ntries;
5884
5885 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5886
5887 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5888 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5889 device_get_nameunit(sc->dev), tmp);
5890
5891 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5892 {
5893 sc->tx_queue_not_empty[0]++;
5894
5895 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5896
5897 for (ntries = 0; ntries < 10; ntries++)
5898 {
5899 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5900 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5901 break;
5902
5903 DELAY(1);
5904 }
5905
5906 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5907 }
5908
5909 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5910 {
5911 sc->tx_queue_not_empty[1]++;
5912
5913 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5914
5915 for (ntries = 0; ntries < 10; ntries++)
5916 {
5917 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5918 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5919 break;
5920
5921 DELAY(1);
5922 }
5923
5924 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5925 }
5926 }
5927
5928 /*
5929 * rt2860_drain_fifo_stats
5930 */
5931 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5932 {
5933 struct ifnet *ifp;
5934 uint32_t stats;
5935 uint8_t wcid, mcs, pid;
5936 int ok, agg, retrycnt;
5937
5938 ifp = sc->ifp;
5939
5940 /* drain Tx status FIFO (maxsize = 16) */
5941
5942 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5943 RT2860_REG_TX_STA_FIFO_VALID)
5944 {
5945 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5946 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5947
5948 /* if no ACK was requested, no feedback is available */
5949
5950 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
5951 continue;
5952
5953 /* update AMRR statistic */
5954
5955 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5956 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5957 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5958 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5959 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5960 RT2860_REG_TX_STA_FIFO_PID_MASK;
5961 retrycnt = pid - mcs;
5962
5963 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5964 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5965 device_get_nameunit(sc->dev),
5966 wcid, ok, agg, mcs, pid, retrycnt);
5967
5968 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5969
5970 if (!ok)
5971 ifp->if_oerrors++;
5972 }
5973 }
5974
5975 /*
5976 * rt2860_update_raw_counters
5977 */
5978 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5979 {
5980 uint32_t tmp;
5981
5982 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5983
5984 sc->tx_nonagg += tmp & 0xffff;
5985 sc->tx_agg += tmp >> 16;
5986
5987 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5988
5989 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5990
5991 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5992
5993 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5994
5995 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5996
5997 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5998
5999 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
6000
6001 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6002
6003 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
6004
6005 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6006
6007 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
6008
6009 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6010
6011 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
6012
6013 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6014
6015 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
6016
6017 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6018
6019 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
6020
6021 sc->rx_crc_errors += tmp & 0xffff;
6022 sc->rx_phy_errors += tmp >> 16;
6023
6024 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
6025
6026 sc->rx_false_ccas += tmp & 0xffff;
6027 sc->rx_plcp_errors += tmp >> 16;
6028
6029 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
6030
6031 sc->rx_dup_packets += tmp & 0xffff;
6032 sc->rx_fifo_overflows += tmp >> 16;
6033
6034 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
6035
6036 sc->tx_mpdu_zero_density += tmp & 0xffff;
6037 sc->rx_mpdu_zero_density += tmp >> 16;
6038 }
6039
6040 /*
6041 * rt2860_intr_enable
6042 */
6043 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
6044 {
6045 uint32_t tmp;
6046
6047 sc->intr_disable_mask &= ~intr_mask;
6048
6049 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6050
6051 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6052 }
6053
6054 /*
6055 * rt2860_intr_disable
6056 */
6057 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
6058 {
6059 uint32_t tmp;
6060
6061 sc->intr_disable_mask |= intr_mask;
6062
6063 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6064
6065 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6066 }
6067
6068 /*
6069 * rt2860_txrx_enable
6070 */
6071 static int rt2860_txrx_enable(struct rt2860_softc *sc)
6072 {
6073 struct ieee80211com *ic;
6074 struct ifnet *ifp;
6075 uint32_t tmp;
6076 int ntries;
6077
6078 ifp = sc->ifp;
6079 ic = ifp->if_l2com;
6080
6081 /* enable Tx/Rx DMA engine */
6082
6083 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
6084
6085 for (ntries = 0; ntries < 200; ntries++)
6086 {
6087 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
6088 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
6089 break;
6090
6091 DELAY(1000);
6092 }
6093
6094 if (ntries == 200)
6095 {
6096 printf("%s: timeout waiting for DMA engine\n",
6097 device_get_nameunit(sc->dev));
6098 return -1;
6099 }
6100
6101 DELAY(50);
6102
6103 tmp |= RT2860_REG_TX_WB_DDONE |
6104 RT2860_REG_RX_DMA_ENABLE |
6105 RT2860_REG_TX_DMA_ENABLE |
6106 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
6107
6108 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6109
6110 /* set Rx filter */
6111
6112 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
6113 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
6114
6115 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6116 {
6117 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
6118 RT2860_REG_RX_FILTER_DROP_CTS |
6119 RT2860_REG_RX_FILTER_DROP_BA |
6120 RT2860_REG_RX_FILTER_DROP_ACK |
6121 RT2860_REG_RX_FILTER_DROP_VER_ERR |
6122 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
6123 RT2860_REG_RX_FILTER_DROP_CFACK |
6124 RT2860_REG_RX_FILTER_DROP_CFEND;
6125
6126 if (ic->ic_opmode == IEEE80211_M_STA)
6127 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
6128 RT2860_REG_RX_FILTER_DROP_PSPOLL;
6129
6130 if (!(ifp->if_flags & IFF_PROMISC))
6131 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
6132 }
6133
6134 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
6135
6136 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
6137 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
6138
6139 return 0;
6140 }
6141
6142 /*
6143 * rt2860_alloc_rx_ring
6144 */
6145 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
6146 struct rt2860_softc_rx_ring *ring)
6147 {
6148 struct rt2860_rxdesc *desc;
6149 struct rt2860_softc_rx_data *data;
6150 bus_dma_segment_t segs[1];
6151 int i, nsegs, error;
6152
6153 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6154 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6155 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
6156 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6157 0, NULL, NULL, &ring->desc_dma_tag);
6158 if (error != 0)
6159 {
6160 printf("%s: could not create Rx desc DMA tag\n",
6161 device_get_nameunit(sc->dev));
6162 goto fail;
6163 }
6164
6165 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6166 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6167 if (error != 0)
6168 {
6169 printf("%s: could not allocate Rx desc DMA memory\n",
6170 device_get_nameunit(sc->dev));
6171 goto fail;
6172 }
6173
6174 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6175 ring->desc,
6176 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6177 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6178 if (error != 0)
6179 {
6180 printf("%s: could not load Rx desc DMA map\n",
6181 device_get_nameunit(sc->dev));
6182 goto fail;
6183 }
6184
6185 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6186 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6187 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
6188 &ring->data_dma_tag);
6189 if (error != 0)
6190 {
6191 printf("%s: could not create Rx data DMA tag\n",
6192 device_get_nameunit(sc->dev));
6193 goto fail;
6194 }
6195
6196 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6197 {
6198 desc = &ring->desc[i];
6199 data = &ring->data[i];
6200
6201 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6202 if (error != 0)
6203 {
6204 printf("%s: could not create Rx data DMA map\n",
6205 device_get_nameunit(sc->dev));
6206 goto fail;
6207 }
6208
6209 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
6210 if (data->m == NULL)
6211 {
6212 printf("%s: could not allocate Rx mbuf\n",
6213 device_get_nameunit(sc->dev));
6214 error = ENOMEM;
6215 goto fail;
6216 }
6217
6218 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
6219
6220 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
6221 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
6222 if (error != 0)
6223 {
6224 printf("%s: could not load Rx mbuf DMA map\n",
6225 device_get_nameunit(sc->dev));
6226 goto fail;
6227 }
6228
6229 KASSERT(nsegs == 1, ("%s: too many DMA segments",
6230 device_get_nameunit(sc->dev)));
6231
6232 desc->sdp0 = htole32(segs[0].ds_addr);
6233 desc->sdl0 = htole16(MJUMPAGESIZE);
6234 }
6235
6236 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
6237 if (error != 0)
6238 {
6239 printf("%s: could not create Rx spare DMA map\n",
6240 device_get_nameunit(sc->dev));
6241 goto fail;
6242 }
6243
6244 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6245 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6246
6247 return 0;
6248
6249 fail:
6250
6251 rt2860_free_rx_ring(sc, ring);
6252
6253 return error;
6254 }
6255
6256 /*
6257 * rt2860_reset_rx_ring
6258 */
6259 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
6260 struct rt2860_softc_rx_ring *ring)
6261 {
6262 struct rt2860_rxdesc *desc;
6263 int i;
6264
6265 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6266 {
6267 desc = &ring->desc[i];
6268
6269 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
6270 }
6271
6272 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6273 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6274
6275 ring->cur = 0;
6276 }
6277
6278 /*
6279 * rt2860_free_rx_ring
6280 */
6281 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
6282 struct rt2860_softc_rx_ring *ring)
6283 {
6284 struct rt2860_softc_rx_data *data;
6285 int i;
6286
6287 if (ring->desc != NULL)
6288 {
6289 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6290 BUS_DMASYNC_POSTWRITE);
6291 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6292 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6293 ring->desc_dma_map);
6294 }
6295
6296 if (ring->desc_dma_tag != NULL)
6297 bus_dma_tag_destroy(ring->desc_dma_tag);
6298
6299 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6300 {
6301 data = &ring->data[i];
6302
6303 if (data->m != NULL)
6304 {
6305 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6306 BUS_DMASYNC_POSTREAD);
6307 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6308 m_freem(data->m);
6309 }
6310
6311 if (data->dma_map != NULL)
6312 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6313 }
6314
6315 if (ring->spare_dma_map != NULL)
6316 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6317
6318 if (ring->data_dma_tag != NULL)
6319 bus_dma_tag_destroy(ring->data_dma_tag);
6320 }
6321
6322 /*
6323 * rt2860_alloc_tx_ring
6324 */
6325 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6326 struct rt2860_softc_tx_ring *ring, int qid)
6327 {
6328 struct rt2860_softc_tx_data *data;
6329 int error, i;
6330
6331 mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF);
6332
6333 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6334 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6335 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6336 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6337 0, NULL, NULL, &ring->desc_dma_tag);
6338 if (error != 0)
6339 {
6340 printf("%s: could not create Tx desc DMA tag\n",
6341 device_get_nameunit(sc->dev));
6342 goto fail;
6343 }
6344
6345 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6346 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6347 if (error != 0)
6348 {
6349 printf("%s: could not allocate Tx desc DMA memory\n",
6350 device_get_nameunit(sc->dev));
6351 goto fail;
6352 }
6353
6354 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6355 ring->desc,
6356 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6357 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6358 if (error != 0)
6359 {
6360 printf("%s: could not load Tx desc DMA map\n",
6361 device_get_nameunit(sc->dev));
6362 goto fail;
6363 }
6364
6365 ring->desc_queued = 0;
6366 ring->desc_cur = 0;
6367 ring->desc_next = 0;
6368
6369 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6370 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6371 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6372 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6373 0, NULL, NULL, &ring->seg0_dma_tag);
6374 if (error != 0)
6375 {
6376 printf("%s: could not create Tx seg0 DMA tag\n",
6377 device_get_nameunit(sc->dev));
6378 goto fail;
6379 }
6380
6381 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6382 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6383 if (error != 0)
6384 {
6385 printf("%s: could not allocate Tx seg0 DMA memory\n",
6386 device_get_nameunit(sc->dev));
6387 goto fail;
6388 }
6389
6390 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6391 ring->seg0,
6392 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6393 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6394 if (error != 0)
6395 {
6396 printf("%s: could not load Tx seg0 DMA map\n",
6397 device_get_nameunit(sc->dev));
6398 goto fail;
6399 }
6400
6401 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6402 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6403 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6404 &ring->data_dma_tag);
6405 if (error != 0)
6406 {
6407 printf("%s: could not create Tx data DMA tag\n",
6408 device_get_nameunit(sc->dev));
6409 goto fail;
6410 }
6411
6412 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6413 {
6414 data = &ring->data[i];
6415
6416 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6417 if (error != 0)
6418 {
6419 printf("%s: could not create Tx data DMA map\n",
6420 device_get_nameunit(sc->dev));
6421 goto fail;
6422 }
6423 }
6424
6425 ring->data_queued = 0;
6426 ring->data_cur = 0;
6427 ring->data_next = 0;
6428
6429 ring->qid = qid;
6430
6431 return 0;
6432
6433 fail:
6434
6435 rt2860_free_tx_ring(sc, ring);
6436
6437 return error;
6438 }
6439
6440 /*
6441 * rt2860_reset_tx_ring
6442 */
6443 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6444 struct rt2860_softc_tx_ring *ring)
6445 {
6446 struct rt2860_softc_tx_data *data;
6447 struct rt2860_txdesc *desc;
6448 int i;
6449
6450 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6451 {
6452 desc = &ring->desc[i];
6453
6454 desc->sdl0 = 0;
6455 desc->sdl1 = 0;
6456 }
6457
6458 ring->desc_queued = 0;
6459 ring->desc_cur = 0;
6460 ring->desc_next = 0;
6461
6462 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6463 BUS_DMASYNC_PREWRITE);
6464
6465 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6466 BUS_DMASYNC_PREWRITE);
6467
6468 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6469 {
6470 data = &ring->data[i];
6471
6472 if (data->m != NULL)
6473 {
6474 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6475 BUS_DMASYNC_POSTWRITE);
6476 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6477 m_freem(data->m);
6478 data->m = NULL;
6479 }
6480
6481 if (data->ni != NULL)
6482 {
6483 ieee80211_free_node(data->ni);
6484 data->ni = NULL;
6485 }
6486 }
6487
6488 ring->data_queued = 0;
6489 ring->data_cur = 0;
6490 ring->data_next = 0;
6491 }
6492
6493 /*
6494 * rt2860_free_tx_ring
6495 */
6496 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6497 struct rt2860_softc_tx_ring *ring)
6498 {
6499 struct rt2860_softc_tx_data *data;
6500 int i;
6501
6502 if (ring->desc != NULL)
6503 {
6504 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6505 BUS_DMASYNC_POSTWRITE);
6506 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6507 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6508 ring->desc_dma_map);
6509 }
6510
6511 if (ring->desc_dma_tag != NULL)
6512 bus_dma_tag_destroy(ring->desc_dma_tag);
6513
6514 if (ring->seg0 != NULL)
6515 {
6516 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6517 BUS_DMASYNC_POSTWRITE);
6518 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6519 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6520 ring->seg0_dma_map);
6521 }
6522
6523 if (ring->seg0_dma_tag != NULL)
6524 bus_dma_tag_destroy(ring->seg0_dma_tag);
6525
6526 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6527 {
6528 data = &ring->data[i];
6529
6530 if (data->m != NULL)
6531 {
6532 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6533 BUS_DMASYNC_POSTWRITE);
6534 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6535 m_freem(data->m);
6536 }
6537
6538 if (data->ni != NULL)
6539 ieee80211_free_node(data->ni);
6540
6541 if (data->dma_map != NULL)
6542 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6543 }
6544
6545 if (ring->data_dma_tag != NULL)
6546 bus_dma_tag_destroy(ring->data_dma_tag);
6547
6548 mtx_destroy(&ring->lock);
6549 }
6550
6551 /*
6552 * rt2860_dma_map_addr
6553 */
6554 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6555 int nseg, int error)
6556 {
6557 if (error != 0)
6558 return;
6559
6560 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6561
6562 *(bus_addr_t *) arg = segs[0].ds_addr;
6563 }
6564
6565 /*
6566 * rt2860_sysctl_attach
6567 */
6568 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6569 {
6570 struct sysctl_ctx_list *ctx;
6571 struct sysctl_oid *tree;
6572 struct sysctl_oid *stats;
6573
6574 ctx = device_get_sysctl_ctx(sc->dev);
6575 tree = device_get_sysctl_tree(sc->dev);
6576
6577 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6578 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6579 "Tx STBC");
6580
6581 /* statistic counters */
6582
6583 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6584 "stats", CTLFLAG_RD, 0, "statistic");
6585
6586 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6587 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6588 "all interrupts");
6589
6590 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6591 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6592 "Tx coherent interrupts");
6593
6594 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6595 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6596 "Rx coherent interrupts");
6597
6598 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6599 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6600 "Tx/Rx coherent interrupts");
6601
6602 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6603 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6604 "FIFO statistic full interrupts");
6605
6606 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6607 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6608 "Rx interrupts");
6609
6610 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6611 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6612 "Rx delay interrupts");
6613
6614 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6615 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6616 "Tx MGMT interrupts");
6617
6618 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6619 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6620 "Tx HCCA interrupts");
6621
6622 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6623 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6624 "Tx AC3 interrupts");
6625
6626 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6627 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6628 "Tx AC2 interrupts");
6629
6630 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6631 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6632 "Tx AC1 interrupts");
6633
6634 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6635 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6636 "Tx AC0 interrupts");
6637
6638 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6639 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6640 "Tx delay interrupts");
6641
6642 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6643 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6644 "Pre-TBTT interrupts");
6645
6646 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6647 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6648 "TBTT interrupts");
6649
6650 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6651 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6652 "MCU command interrupts");
6653
6654 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6655 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6656 "auto wakeup interrupts");
6657
6658 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6659 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6660 "GP timer interrupts");
6661
6662 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6663 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6664 "Tx MGMT descriptors queued");
6665
6666 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6667 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6668 "Tx MGMT data queued");
6669
6670 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6671 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6672 "Tx HCCA descriptors queued");
6673
6674 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6675 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6676 "Tx HCCA data queued");
6677
6678 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6679 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6680 "Tx AC3 descriptors queued");
6681
6682 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6683 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6684 "Tx AC3 data queued");
6685
6686 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6687 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6688 "Tx AC2 descriptors queued");
6689
6690 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6691 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6692 "Tx AC2 data queued");
6693
6694 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6695 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6696 "Tx AC1 descriptors queued");
6697
6698 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6699 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6700 "Tx AC1 data queued");
6701
6702 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6703 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6704 "Tx AC0 descriptors queued");
6705
6706 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6707 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6708 "Tx AC0 data queued");
6709
6710 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6711 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6712 "Tx MGMT data queue full");
6713
6714 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6715 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6716 "Tx HCCA data queue full");
6717
6718 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6719 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6720 "Tx AC3 data queue full");
6721
6722 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6723 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6724 "Tx AC2 data queue full");
6725
6726 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6727 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6728 "Tx AC1 data queue full");
6729
6730 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6731 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6732 "Tx AC0 data queue full");
6733
6734 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6735 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6736 "Tx watchdog timeouts");
6737
6738 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6739 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6740 "Tx defragmented packets");
6741
6742 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6743 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6744 "no Tx descriptors available");
6745
6746 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6747 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6748 "Rx mbuf allocation errors");
6749
6750 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6751 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6752 "Rx mbuf DMA mapping errors");
6753
6754 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6755 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6756 "Tx queue 0 not empty");
6757
6758 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6759 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6760 "Tx queue 1 not empty");
6761
6762 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6763 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6764 "Tx beacons");
6765
6766 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6767 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6768 "Tx successfull without retries");
6769
6770 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6771 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6772 "Tx successfull with retries");
6773
6774 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6775 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6776 "Tx failed");
6777
6778 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6779 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6780 "Tx underflows");
6781
6782 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6783 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6784 "Tx zero length");
6785
6786 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6787 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6788 "Tx non-aggregated");
6789
6790 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6791 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6792 "Tx aggregated");
6793
6794 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6795 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6796 "Tx A-MPDU");
6797
6798 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6799 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6800 "Tx MPDU with zero density");
6801
6802 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6803 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6804 "Tx A-MPDU sessions");
6805
6806 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6807 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6808 "Rx packets");
6809
6810 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6811 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6812 "Rx A-MPDU");
6813
6814 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6815 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6816 "Rx MPDU with zero density");
6817
6818 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6819 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6820 "Rx A-MSDU");
6821
6822 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6823 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6824 "Rx CRC errors");
6825
6826 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6827 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6828 "Rx PHY errors");
6829
6830 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6831 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6832 "Rx false CCAs");
6833
6834 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6835 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6836 "Rx PLCP errors");
6837
6838 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6839 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6840 "Rx duplicate packets");
6841
6842 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6843 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6844 "Rx FIFO overflows");
6845
6846 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6847 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6848 "Rx cipher no errors");
6849
6850 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6851 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6852 "Rx cipher ICV errors");
6853
6854 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6855 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6856 "Rx cipher MIC errors");
6857
6858 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6859 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6860 "Rx cipher invalid key errors");
6861 }
6862
6863 static device_method_t rt2860_dev_methods[] =
6864 {
6865 DEVMETHOD(device_probe, rt2860_probe),
6866 DEVMETHOD(device_attach, rt2860_attach),
6867 DEVMETHOD(device_detach, rt2860_detach),
6868 DEVMETHOD(device_shutdown, rt2860_shutdown),
6869 DEVMETHOD(device_suspend, rt2860_suspend),
6870 DEVMETHOD(device_resume, rt2860_resume),
6871 { 0, 0 }
6872 };
6873
6874 static driver_t rt2860_driver =
6875 {
6876 "rt2860",
6877 rt2860_dev_methods,
6878 sizeof(struct rt2860_softc)
6879 };
6880
6881 static devclass_t rt2860_dev_class;
6882
6883 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6884
6885 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6886 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860