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Read Rx descriptor flags after DMA sync; Added Rx descriptor flags to Rx debugging...
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blobc2b522216b38ce234ea79080a4844448b451d7b6
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 = 1;
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_io_mac_write(sc, RT2860_REG_WCID(wcid), 0xffffffff);
2534 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0x0000ffff);
2535
2536 rt2860_staid_delete(sc, rni->staid);
2537
2538 rni->staid = 0;
2539 }
2540
2541 sc->node_cleanup(ni);
2542 }
2543
2544 /*
2545 * rt2860_node_getmimoinfo
2546 */
2547 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
2548 struct ieee80211_mimo_info *mi)
2549 {
2550 const struct rt2860_softc_node *rni;
2551 int i;
2552
2553 rni = (const struct rt2860_softc_node *) ni;
2554
2555 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
2556 {
2557 mi->rssi[i] = rni->last_rssi_dbm[i];
2558 mi->noise[i] = RT2860_NOISE_FLOOR;
2559 }
2560 }
2561
2562 /*
2563 * rt2860_setregdomain
2564 */
2565 static int rt2860_setregdomain(struct ieee80211com *ic,
2566 struct ieee80211_regdomain *reg,
2567 int nchans, struct ieee80211_channel chans[])
2568 {
2569 struct rt2860_softc *sc;
2570 struct ifnet *ifp;
2571
2572 ifp = ic->ic_ifp;
2573 sc = ifp->if_softc;
2574
2575 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2576 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2577 device_get_nameunit(sc->dev),
2578 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2579
2580 return 0;
2581 }
2582
2583 /*
2584 * rt2860_getradiocaps
2585 */
2586 static void rt2860_getradiocaps(struct ieee80211com *ic,
2587 int maxchans, int *nchans, struct ieee80211_channel chans[])
2588 {
2589 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2590
2591 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2592 }
2593
2594 /*
2595 * rt2860_scan_start
2596 */
2597 static void rt2860_scan_start(struct ieee80211com *ic)
2598 {
2599 struct rt2860_softc *sc;
2600 struct ifnet *ifp;
2601
2602 ifp = ic->ic_ifp;
2603 sc = ifp->if_softc;
2604
2605 rt2860_asic_disable_tsf_sync(sc);
2606 }
2607
2608 /*
2609 * rt2860_scan_end
2610 */
2611 static void rt2860_scan_end(struct ieee80211com *ic)
2612 {
2613 struct rt2860_softc *sc;
2614 struct ifnet *ifp;
2615
2616 ifp = ic->ic_ifp;
2617 sc = ifp->if_softc;
2618
2619 rt2860_asic_enable_tsf_sync(sc);
2620 }
2621
2622 /*
2623 * rt2860_set_channel
2624 */
2625 static void rt2860_set_channel(struct ieee80211com *ic)
2626 {
2627 struct rt2860_softc *sc;
2628 struct ifnet *ifp;
2629
2630 ifp = ic->ic_ifp;
2631 sc = ifp->if_softc;
2632
2633 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2634 "%s: set channel: channel=%u, HT%s%s\n",
2635 device_get_nameunit(sc->dev),
2636 ieee80211_chan2ieee(ic, ic->ic_curchan),
2637 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2638 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2639 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2640 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2641
2642 RT2860_SOFTC_LOCK(sc);
2643
2644 rt2860_rf_set_chan(sc, ic->ic_curchan);
2645
2646 RT2860_SOFTC_UNLOCK(sc);
2647 }
2648
2649 /*
2650 * rt2860_newassoc
2651 */
2652 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2653 {
2654 struct rt2860_softc *sc;
2655 struct ieee80211com *ic;
2656 struct ifnet *ifp;
2657 struct ieee80211vap *vap;
2658 struct rt2860_softc_vap *rvap;
2659 struct rt2860_softc_node *rni;
2660 uint16_t aid;
2661 uint8_t wcid;
2662
2663 vap = ni->ni_vap;
2664 ic = vap->iv_ic;
2665 ifp = ic->ic_ifp;
2666 sc = ifp->if_softc;
2667 rvap = (struct rt2860_softc_vap *) vap;
2668 rni = (struct rt2860_softc_node *) ni;
2669
2670 if (isnew)
2671 {
2672 aid = IEEE80211_AID(ni->ni_associd);
2673 rni->staid = rt2860_staid_alloc(sc, aid);
2674 wcid = rni->staid;
2675
2676 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2677 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2678
2679 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2680
2681 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2682 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2683 device_get_nameunit(sc->dev),
2684 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2685 ni->ni_associd, ni->ni_txrate,
2686 (ni->ni_flags & IEEE80211_NODE_HT) ?
2687 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2688 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2689
2690 rt2860_asic_updateprot(sc);
2691 rt2860_asic_updateslot(sc);
2692 rt2860_asic_set_txpreamble(sc);
2693 }
2694
2695 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2696 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2697 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2698 ni->ni_associd, rni->staid,
2699 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2700 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2701 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2702 }
2703
2704 /*
2705 * rt2860_updateslot
2706 */
2707 static void rt2860_updateslot(struct ifnet *ifp)
2708 {
2709 struct rt2860_softc *sc;
2710
2711 sc = ifp->if_softc;
2712
2713 rt2860_asic_updateslot(sc);
2714 }
2715
2716 /*
2717 * rt2860_update_promisc
2718 */
2719 static void rt2860_update_promisc(struct ifnet *ifp)
2720 {
2721 struct rt2860_softc *sc;
2722
2723 sc = ifp->if_softc;
2724
2725 rt2860_asic_update_promisc(sc);
2726 }
2727
2728 /*
2729 * rt2860_update_mcast
2730 */
2731 static void rt2860_update_mcast(struct ifnet *ifp)
2732 {
2733 struct rt2860_softc *sc;
2734
2735 sc = ifp->if_softc;
2736 }
2737
2738 /*
2739 * rt2860_wme_update
2740 */
2741 static int rt2860_wme_update(struct ieee80211com *ic)
2742 {
2743 struct rt2860_softc *sc;
2744 struct ifnet *ifp;
2745
2746 ifp = ic->ic_ifp;
2747 sc = ifp->if_softc;
2748
2749 rt2860_asic_wme_update(sc);
2750
2751 return 0;
2752 }
2753
2754 /*
2755 * rt2860_raw_xmit
2756 */
2757 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2758 const struct ieee80211_bpf_params *params)
2759 {
2760 struct rt2860_softc *sc;
2761 struct ieee80211com *ic;
2762 struct ifnet *ifp;
2763
2764 ic = ni->ni_ic;
2765 ifp = ic->ic_ifp;
2766 sc = ifp->if_softc;
2767
2768 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2769 {
2770 m_freem(m);
2771 ieee80211_free_node(ni);
2772
2773 return ENETDOWN;
2774 }
2775
2776 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2777
2778 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2779 {
2780 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2781
2782 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2783 "%s: raw xmit: Tx ring with qid=%d is full\n",
2784 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2785
2786 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2787
2788 m_freem(m);
2789 ieee80211_free_node(ni);
2790
2791 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2792
2793 return ENOBUFS;
2794 }
2795
2796 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2797 {
2798 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2799
2800 ifp->if_oerrors++;
2801
2802 ieee80211_free_node(ni);
2803
2804 return EIO;
2805 }
2806
2807 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2808
2809 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2810
2811 return 0;
2812 }
2813
2814 /*
2815 * rt2860_recv_action
2816 */
2817 static int rt2860_recv_action(struct ieee80211_node *ni,
2818 const struct ieee80211_frame *wh,
2819 const uint8_t *frm, const uint8_t *efrm)
2820 {
2821 struct rt2860_softc *sc;
2822 struct ieee80211com *ic;
2823 struct ifnet *ifp;
2824 struct rt2860_softc_node *rni;
2825 const struct ieee80211_action *ia;
2826 struct ieee80211_tx_ampdu *tx_ampdu;
2827 uint16_t status, baparamset;
2828 uint8_t wcid;
2829 int ret, tid, bufsize, ac;
2830 uint32_t tmp;
2831
2832 ic = ni->ni_ic;
2833 ifp = ic->ic_ifp;
2834 sc = ifp->if_softc;
2835 rni = (struct rt2860_softc_node *) ni;
2836
2837 ia = (const struct ieee80211_action *) frm;
2838
2839 ret = sc->recv_action(ni, wh, frm, efrm);
2840
2841 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2842 return ret;
2843
2844 switch (ia->ia_action)
2845 {
2846 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2847 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2848 status = LE_READ_2(frm + 3);
2849 baparamset = LE_READ_2(frm + 4);
2850 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2851 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2852 ac = TID_TO_WME_AC(tid);
2853 tx_ampdu = &ni->ni_tx_ampdu[ac];
2854
2855 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2856 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2857 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2858
2859 if (sc->mac_rev >= 0x28720200)
2860 {
2861 if (tx_ampdu->txa_wnd > 13)
2862 tx_ampdu->txa_wnd = 13;
2863 }
2864 else
2865 {
2866 if (tx_ampdu->txa_wnd > 7)
2867 tx_ampdu->txa_wnd = 7;
2868 }
2869
2870 if (status == IEEE80211_STATUS_SUCCESS)
2871 {
2872 sc->tx_ampdu_sessions++;
2873
2874 rt2860_asic_updateprot(sc);
2875 }
2876 break;
2877
2878 /* IEEE80211_ACTION_BA_DELBA */
2879 case IEEE80211_ACTION_BA_DELBA:
2880 baparamset = LE_READ_2(frm + 2);
2881 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2882 wcid = rni->staid;
2883
2884 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2885 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2886 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2887
2888 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2889
2890 tmp &= ~(0x10000 << tid);
2891
2892 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2893 break;
2894 }
2895
2896 return ret;
2897 }
2898
2899 /*
2900 * rt2860_send_action
2901 */
2902 static int rt2860_send_action(struct ieee80211_node *ni,
2903 int cat, int act, void *sa)
2904 {
2905 struct rt2860_softc *sc;
2906 struct ieee80211com *ic;
2907 struct ifnet *ifp;
2908 struct rt2860_softc_node *rni;
2909 uint16_t *args, status, baparamset;
2910 uint8_t wcid;
2911 int ret, tid, bufsize;
2912 uint32_t tmp;
2913
2914 ic = ni->ni_ic;
2915 ifp = ic->ic_ifp;
2916 sc = ifp->if_softc;
2917 rni = (struct rt2860_softc_node *) ni;
2918
2919 ret = sc->send_action(ni, cat, act, sa);
2920
2921 if (cat != IEEE80211_ACTION_CAT_BA)
2922 return ret;
2923
2924 wcid = rni->staid;
2925 args = sa;
2926
2927 switch (act)
2928 {
2929 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2930 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2931 status = args[1];
2932 baparamset = args[2];
2933 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2934 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2935
2936 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2937 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2938 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2939
2940 if (status == IEEE80211_STATUS_SUCCESS)
2941 {
2942 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2943
2944 tmp |= (0x10000 << tid);
2945
2946 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2947 }
2948 break;
2949
2950 /* IEEE80211_ACTION_BA_DELBA */
2951 case IEEE80211_ACTION_BA_DELBA:
2952 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2953
2954 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2955
2956 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2957 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2958 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2959
2960 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2961 {
2962 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2963
2964 tmp &= ~(0x10000 << tid);
2965
2966 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2967 }
2968 else
2969 {
2970 sc->tx_ampdu_sessions--;
2971
2972 rt2860_asic_updateprot(sc);
2973 }
2974 break;
2975 }
2976
2977 return ret;
2978 }
2979
2980 /*
2981 * rt2860_amrr_update_iter_func
2982 */
2983 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2984 {
2985 struct rt2860_softc *sc;
2986 struct ieee80211com *ic;
2987 struct ifnet *ifp;
2988 struct ieee80211vap *vap;
2989 struct rt2860_softc_vap *rvap;
2990 struct rt2860_softc_node *rni;
2991 uint8_t wcid;
2992
2993 vap = arg;
2994 ic = vap->iv_ic;
2995 ifp = ic->ic_ifp;
2996 sc = ifp->if_softc;
2997 rvap = (struct rt2860_softc_vap *) vap;
2998 rni = (struct rt2860_softc_node *) ni;
2999
3000 /* only associated stations */
3001
3002 if ((ni->ni_vap == vap) && (rni->staid != 0))
3003 {
3004 wcid = rni->staid;
3005
3006 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3007 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3008 device_get_nameunit(sc->dev),
3009 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3010
3011 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
3012
3013 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3014 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3015 device_get_nameunit(sc->dev),
3016 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3017 ni->ni_associd, rni->staid, ni->ni_txrate,
3018 (ni->ni_flags & IEEE80211_NODE_HT) ?
3019 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3020 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3021 }
3022 }
3023
3024 /*
3025 * rt2860_periodic
3026 */
3027 static void rt2860_periodic(void *arg)
3028 {
3029 struct rt2860_softc *sc;
3030
3031 sc = arg;
3032
3033 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
3034 "%s: periodic\n",
3035 device_get_nameunit(sc->dev));
3036
3037 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3038 }
3039
3040 /*
3041 * rt2860_tx_watchdog
3042 */
3043 static void rt2860_tx_watchdog(void *arg)
3044 {
3045 struct rt2860_softc *sc;
3046 struct ifnet *ifp;
3047
3048 sc = arg;
3049 ifp = sc->ifp;
3050
3051 if (sc->tx_timer == 0)
3052 return;
3053
3054 if (--sc->tx_timer == 0)
3055 {
3056 printf("%s: Tx watchdog timeout: resetting\n",
3057 device_get_nameunit(sc->dev));
3058
3059 rt2860_stop_locked(sc);
3060 rt2860_init_locked(sc);
3061
3062 ifp->if_oerrors++;
3063
3064 sc->tx_watchdog_timeouts++;
3065 }
3066
3067 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
3068 }
3069
3070 /*
3071 * rt2860_staid_alloc
3072 */
3073 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
3074 {
3075 int staid;
3076
3077 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3078 {
3079 staid = aid;
3080 }
3081 else
3082 {
3083 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
3084 {
3085 if (isclr(sc->staid_mask, staid))
3086 break;
3087 }
3088 }
3089
3090 setbit(sc->staid_mask, staid);
3091
3092 return staid;
3093 }
3094
3095 /*
3096 * rt2860_staid_delete
3097 */
3098 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
3099 {
3100 clrbit(sc->staid_mask, staid);
3101 }
3102
3103 /*
3104 * rt2860_asic_set_bssid
3105 */
3106 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
3107 const uint8_t *bssid)
3108 {
3109 uint32_t tmp;
3110
3111 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3112 "%s: set bssid: bssid=%s\n",
3113 device_get_nameunit(sc->dev),
3114 ether_sprintf(bssid));
3115
3116 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3117
3118 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
3119
3120 tmp = bssid[4] | (bssid[5] << 8);
3121
3122 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
3123 }
3124
3125 /*
3126 * rt2860_asic_set_macaddr
3127 */
3128 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
3129 const uint8_t *addr)
3130 {
3131 uint32_t tmp;
3132
3133 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3134
3135 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
3136
3137 tmp = addr[4] | (addr[5] << 8);
3138
3139 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
3140 }
3141
3142 /*
3143 * rt2860_asic_enable_tsf_sync
3144 */
3145 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
3146 {
3147 struct ifnet *ifp;
3148 struct ieee80211com *ic;
3149 struct ieee80211vap *vap;
3150 uint32_t tmp;
3151
3152 ifp = sc->ifp;
3153 ic = ifp->if_l2com;
3154 vap = TAILQ_FIRST(&ic->ic_vaps);
3155
3156 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3157 "%s: enabling TSF\n",
3158 device_get_nameunit(sc->dev));
3159
3160 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3161
3162 tmp &= ~0x1fffff;
3163 tmp |= vap->iv_bss->ni_intval * 16;
3164 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3165
3166 if (vap->iv_opmode == IEEE80211_M_STA)
3167 {
3168 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3169 }
3170 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3171 {
3172 tmp |= RT2860_REG_BCN_TX_ENABLE;
3173 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3174 }
3175 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3176 {
3177 tmp |= RT2860_REG_BCN_TX_ENABLE;
3178 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3179 }
3180
3181 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3182 }
3183
3184 /*
3185 * rt2860_asic_disable_tsf_sync
3186 */
3187 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3188 {
3189 uint32_t tmp;
3190
3191 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3192 "%s: disabling TSF\n",
3193 device_get_nameunit(sc->dev));
3194
3195 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3196
3197 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3198 RT2860_REG_TSF_TIMER_ENABLE |
3199 RT2860_REG_TBTT_TIMER_ENABLE);
3200
3201 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3202 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3203
3204 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3205 }
3206
3207 /*
3208 * rt2860_asic_enable_mrr
3209 */
3210 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3211 {
3212 #define CCK(mcs) (mcs)
3213 #define OFDM(mcs) ((1 << 3) | (mcs))
3214 #define HT(mcs) (mcs)
3215
3216 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3217 (OFDM(6) << 28) | /* 54 -> 48 */
3218 (OFDM(5) << 24) | /* 48 -> 36 */
3219 (OFDM(4) << 20) | /* 36 -> 24 */
3220 (OFDM(3) << 16) | /* 24 -> 18 */
3221 (OFDM(2) << 12) | /* 18 -> 12 */
3222 (OFDM(1) << 8) | /* 12 -> 9 */
3223 (OFDM(0) << 4) | /* 9 -> 6 */
3224 OFDM(0)); /* 6 -> 6 */
3225
3226 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3227 (CCK(2) << 12) | /* 11 -> 5.5 */
3228 (CCK(1) << 8) | /* 5.5 -> 2 */
3229 (CCK(0) << 4) | /* 2 -> 1 */
3230 CCK(0)); /* 1 -> 1 */
3231
3232 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3233 (HT(6) << 28) |
3234 (HT(5) << 24) |
3235 (HT(4) << 20) |
3236 (HT(3) << 16) |
3237 (HT(2) << 12) |
3238 (HT(1) << 8) |
3239 (HT(0) << 4) |
3240 HT(0));
3241
3242 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3243 (HT(14) << 28) |
3244 (HT(13) << 24) |
3245 (HT(12) << 20) |
3246 (HT(11) << 16) |
3247 (HT(10) << 12) |
3248 (HT(9) << 8) |
3249 (HT(8) << 4) |
3250 HT(7));
3251
3252 #undef HT
3253 #undef OFDM
3254 #undef CCK
3255 }
3256
3257 /*
3258 * rt2860_asic_set_txpreamble
3259 */
3260 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3261 {
3262 struct ifnet *ifp;
3263 struct ieee80211com *ic;
3264 uint32_t tmp;
3265
3266 ifp = sc->ifp;
3267 ic = ifp->if_l2com;
3268
3269 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3270 "%s: %s short Tx preamble\n",
3271 device_get_nameunit(sc->dev),
3272 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3273
3274 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3275
3276 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3277
3278 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3279 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3280
3281 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3282 }
3283
3284 /*
3285 * rt2860_asic_set_basicrates
3286 */
3287 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3288 {
3289 struct ifnet *ifp;
3290 struct ieee80211com *ic;
3291
3292 ifp = sc->ifp;
3293 ic = ifp->if_l2com;
3294
3295 if (ic->ic_curmode == IEEE80211_MODE_11B)
3296 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3297 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3298 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3299 else
3300 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3301 }
3302
3303 /*
3304 * rt2860_asic_update_rtsthreshold
3305 */
3306 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3307 {
3308 struct ifnet *ifp;
3309 struct ieee80211com *ic;
3310 struct ieee80211vap *vap;
3311 uint32_t tmp;
3312 uint16_t threshold;
3313
3314 ifp = sc->ifp;
3315 ic = ifp->if_l2com;
3316 vap = TAILQ_FIRST(&ic->ic_vaps);
3317
3318 if (vap == NULL)
3319 threshold = IEEE80211_RTS_MAX;
3320 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3321 threshold = 0x1000;
3322 else
3323 threshold = vap->iv_rtsthreshold;
3324
3325 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3326 "%s: updating RTS threshold: %d\n",
3327 device_get_nameunit(sc->dev), threshold);
3328
3329 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3330
3331 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3332
3333 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3334 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3335
3336 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3337 }
3338
3339 /*
3340 * rt2860_asic_update_txpower
3341 */
3342 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3343 {
3344 struct ifnet *ifp;
3345 struct ieee80211com *ic;
3346 uint32_t *txpow_rate;
3347 int8_t delta;
3348 uint8_t val;
3349 uint32_t tmp;
3350 int i;
3351
3352 ifp = sc->ifp;
3353 ic = ifp->if_l2com;
3354
3355 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3356 "%s: updating Tx power: %d\n",
3357 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3358
3359 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3360 {
3361 txpow_rate = sc->txpow_rate_20mhz;
3362 }
3363 else
3364 {
3365 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3366 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3367 else
3368 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3369 }
3370
3371 delta = 0;
3372
3373 val = rt2860_io_bbp_read(sc, 1);
3374 val &= 0xfc;
3375
3376 if (ic->ic_txpowlimit > 90)
3377 {
3378 /* do nothing */
3379 }
3380 else if (ic->ic_txpowlimit > 60)
3381 {
3382 delta -= 1;
3383 }
3384 else if (ic->ic_txpowlimit > 30)
3385 {
3386 delta -= 3;
3387 }
3388 else if (ic->ic_txpowlimit > 15)
3389 {
3390 val |= 0x1;
3391 }
3392 else if (ic->ic_txpowlimit > 9)
3393 {
3394 val |= 0x1;
3395 delta -= 3;
3396 }
3397 else
3398 {
3399 val |= 0x2;
3400 }
3401
3402 rt2860_io_bbp_write(sc, 1, val);
3403
3404 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3405 {
3406 if (txpow_rate[i] == 0xffffffff)
3407 continue;
3408
3409 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3410
3411 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3412 }
3413 }
3414
3415 /*
3416 * rt2860_asic_update_promisc
3417 */
3418 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3419 {
3420 struct ifnet *ifp;
3421 uint32_t tmp;
3422
3423 ifp = sc->ifp;
3424
3425 printf("%s: %s promiscuous mode\n",
3426 device_get_nameunit(sc->dev),
3427 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3428
3429 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3430
3431 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3432
3433 if (!(ifp->if_flags & IFF_PROMISC))
3434 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3435
3436 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3437 }
3438
3439 /*
3440 * rt2860_asic_updateprot
3441 */
3442 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3443 {
3444 struct ifnet *ifp;
3445 struct ieee80211com *ic;
3446 struct ieee80211vap *vap;
3447 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3448 uint8_t htopmode;
3449 enum ieee80211_protmode htprotmode;
3450
3451 ifp = sc->ifp;
3452 ic = ifp->if_l2com;
3453 vap = TAILQ_FIRST(&ic->ic_vaps);
3454
3455 /* CCK frame protection */
3456
3457 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3458 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3459
3460 /* set up protection frame phy mode and rate (MCS code) */
3461
3462 if (ic->ic_curmode == IEEE80211_MODE_11A)
3463 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3464 (0 << RT2860_REG_PROT_MCS_SHIFT);
3465 else
3466 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3467 (3 << RT2860_REG_PROT_MCS_SHIFT));
3468
3469 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3470
3471 /* OFDM frame protection */
3472
3473 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3474 RT2860_REG_TXOP_ALLOW_ALL;
3475
3476 if (ic->ic_flags & IEEE80211_F_USEPROT)
3477 {
3478 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3479 "%s: updating protection mode: b/g protection mode=%s\n",
3480 device_get_nameunit(sc->dev),
3481 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3482 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3483
3484 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3485 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3486 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3487 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3488 else
3489 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3490 }
3491 else
3492 {
3493 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3494 "%s: updating protection mode: b/g protection mode=%s\n",
3495 device_get_nameunit(sc->dev), "none");
3496
3497 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3498 }
3499
3500 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3501
3502 /* HT frame protection */
3503
3504 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3505 htopmode = vap->iv_bss->ni_htopmode;
3506 else
3507 htopmode = ic->ic_curhtprotmode;
3508
3509 htprotmode = ic->ic_htprotmode;
3510
3511 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3512
3513 if (sc->tx_ampdu_sessions > 0)
3514 {
3515 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3516 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3517 device_get_nameunit(sc->dev));
3518
3519 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3520 htprotmode = IEEE80211_PROT_RTSCTS;
3521 }
3522
3523 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3524 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3525 device_get_nameunit(sc->dev),
3526 htopmode & IEEE80211_HTINFO_OPMODE,
3527 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3528 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3529
3530 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3531 {
3532 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3533 case IEEE80211_HTINFO_OPMODE_HT20PR:
3534 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3535 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3536 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3537 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3538 (4 << RT2860_REG_PROT_MCS_SHIFT);
3539
3540 gf20_prot = mm20_prot;
3541
3542 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3543 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3544 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3545
3546 if (htprotmode == IEEE80211_PROT_RTSCTS)
3547 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3548 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3549 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3550 else
3551 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3552
3553 gf40_prot = mm40_prot;
3554 break;
3555
3556 /* IEEE80211_HTINFO_OPMODE_MIXED */
3557 case IEEE80211_HTINFO_OPMODE_MIXED:
3558 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3559 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3560 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3561
3562 if (ic->ic_flags & IEEE80211_F_USEPROT)
3563 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3564 (3 << RT2860_REG_PROT_MCS_SHIFT);
3565 else
3566 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3567 (4 << RT2860_REG_PROT_MCS_SHIFT);
3568
3569 if (htprotmode == IEEE80211_PROT_RTSCTS)
3570 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3571 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3572 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3573 else
3574 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3575
3576 gf20_prot = mm20_prot;
3577
3578 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3579
3580 if (ic->ic_flags & IEEE80211_F_USEPROT)
3581 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3582 (3 << RT2860_REG_PROT_MCS_SHIFT);
3583 else
3584 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3585 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3586
3587 if (htprotmode == IEEE80211_PROT_RTSCTS)
3588 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3589 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3590 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3591 else
3592 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3593
3594 gf40_prot = mm40_prot;
3595 break;
3596
3597 /*
3598 * IEEE80211_HTINFO_OPMODE_PURE
3599 * IEEE80211_HTINFO_OPMODE_PROTOPT
3600 */
3601 case IEEE80211_HTINFO_OPMODE_PURE:
3602 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3603 default:
3604 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3605 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3606 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3607 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3608 (4 << RT2860_REG_PROT_MCS_SHIFT);
3609
3610 gf20_prot = mm20_prot;
3611
3612 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3613 RT2860_REG_TXOP_ALLOW_ALL |
3614 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3615 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3616
3617 gf40_prot = mm40_prot;
3618 break;
3619 }
3620
3621 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3622 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3623 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3624 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3625 }
3626
3627 /*
3628 * rt2860_asic_updateslot
3629 */
3630 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3631 {
3632 struct ifnet *ifp;
3633 struct ieee80211com *ic;
3634 struct ieee80211vap *vap;
3635 uint32_t tmp;
3636
3637 ifp = sc->ifp;
3638 ic = ifp->if_l2com;
3639 vap = TAILQ_FIRST(&ic->ic_vaps);
3640
3641 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3642 "%s: %s short slot time\n",
3643 device_get_nameunit(sc->dev),
3644 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3645 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3646
3647 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3648
3649 tmp &= ~0xff;
3650
3651 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3652 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3653 tmp |= IEEE80211_DUR_SHSLOT;
3654 else
3655 tmp |= IEEE80211_DUR_SLOT;
3656
3657 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3658 }
3659
3660 /*
3661 * rt2860_asic_wme_update
3662 */
3663 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3664 {
3665 struct ifnet *ifp;
3666 struct ieee80211com *ic;
3667 struct ieee80211_wme_state *wme;
3668 const struct wmeParams *wmep;
3669 int i;
3670
3671 ifp = sc->ifp;
3672 ic = ifp->if_l2com;
3673 wme = &ic->ic_wme;
3674 wmep = wme->wme_chanParams.cap_wmeParams;
3675
3676 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3677 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3678 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3679 device_get_nameunit(sc->dev),
3680 wmep[WME_AC_VO].wmep_aifsn,
3681 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3682 wmep[WME_AC_VO].wmep_txopLimit,
3683 wmep[WME_AC_VI].wmep_aifsn,
3684 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3685 wmep[WME_AC_VI].wmep_txopLimit,
3686 wmep[WME_AC_BK].wmep_aifsn,
3687 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3688 wmep[WME_AC_BK].wmep_txopLimit,
3689 wmep[WME_AC_BE].wmep_aifsn,
3690 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3691 wmep[WME_AC_BE].wmep_txopLimit);
3692
3693 for (i = 0; i < WME_NUM_AC; i++)
3694 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3695 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3696 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3697
3698 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3699 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3700 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3701
3702 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3703 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3704 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3705
3706 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3707 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3708 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3709
3710 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3711 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3712
3713 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3714 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3715 }
3716
3717 /*
3718 * rt2860_asic_update_beacon
3719 */
3720 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
3721 struct ieee80211vap *vap)
3722 {
3723 struct rt2860_softc_vap *rvap;
3724 struct mbuf *m;
3725 struct rt2860_txwi *txwi;
3726 uint32_t tmp;
3727
3728 rvap = (struct rt2860_softc_vap *) vap;
3729
3730 m = rvap->beacon_mbuf;
3731 txwi = &rvap->beacon_txwi;
3732
3733 /* disable temporarily TSF sync */
3734
3735 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3736
3737 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3738 RT2860_REG_TSF_TIMER_ENABLE |
3739 RT2860_REG_TBTT_TIMER_ENABLE);
3740
3741 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3742
3743 /* write Tx wireless info and beacon frame to on-chip memory */
3744
3745 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3746 txwi, sizeof(struct rt2860_txwi));
3747
3748 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3749 mtod(m, uint8_t *), m->m_pkthdr.len);
3750
3751 /* enable again TSF sync */
3752
3753 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3754
3755 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3756 RT2860_REG_TSF_TIMER_ENABLE |
3757 RT2860_REG_TBTT_TIMER_ENABLE);
3758
3759 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3760 }
3761
3762 /*
3763 * rt2860_asic_clear_keytables
3764 */
3765 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3766 {
3767 int i;
3768
3769 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3770
3771 for (i = 0; i < 256; i++)
3772 {
3773 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3774 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3775 }
3776
3777 /* clear WCID attribute table (entries = 256, entry size = 4) */
3778
3779 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3780
3781 /* clear IV/EIV table (entries = 256, entry size = 8) */
3782
3783 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3784
3785 /* clear pairwise key table (entries = 64, entry size = 32) */
3786
3787 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3788
3789 /* clear shared key table (entries = 32, entry size = 32) */
3790
3791 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3792
3793 /* clear shared key mode (entries = 32, entry size = 2) */
3794
3795 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3796 }
3797
3798 /*
3799 * rt2860_beacon_alloc
3800 */
3801 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
3802 struct ieee80211vap *vap)
3803 {
3804 struct ieee80211com *ic;
3805 struct rt2860_softc_vap *rvap;
3806 struct mbuf *m;
3807 struct rt2860_txwi txwi;
3808 uint8_t rate, mcs;
3809
3810 ic = vap->iv_ic;
3811 rvap = (struct rt2860_softc_vap *) vap;
3812
3813 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3814 if (m == NULL)
3815 return ENOMEM;
3816
3817 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
3818 mcs = rt2860_rate2mcs(rate);
3819
3820 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3821 "%s: beacon allocate: mcs=0x%02x\n",
3822 device_get_nameunit(sc->dev), mcs);
3823
3824 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3825
3826 txwi.wcid = RT2860_WCID_RESERVED;
3827 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3828 RT2860_TXWI_MPDU_LEN_SHIFT);
3829 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3830 txwi.mpdu_density_flags |=
3831 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3832 txwi.bawin_size_xflags |=
3833 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3834
3835 if (rate == 2)
3836 {
3837 txwi.phymode_ifs_stbc_shortgi =
3838 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3839
3840 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3841 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3842 }
3843 else
3844 {
3845 txwi.phymode_ifs_stbc_shortgi =
3846 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3847 }
3848
3849 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3850 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3851
3852 if (rvap->beacon_mbuf != NULL)
3853 {
3854 m_free(rvap->beacon_mbuf);
3855 rvap->beacon_mbuf = NULL;
3856 }
3857
3858 rvap->beacon_mbuf = m;
3859 rvap->beacon_txwi = txwi;
3860
3861 return 0;
3862 }
3863
3864 /*
3865 * rt2860_rxrate
3866 */
3867 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3868 {
3869 uint8_t mcs, phymode;
3870 uint8_t rate;
3871
3872 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3873 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3874 RT2860_RXWI_PHYMODE_MASK;
3875
3876 rate = 2;
3877
3878 switch (phymode)
3879 {
3880 case RT2860_RXWI_PHYMODE_CCK:
3881 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3882 {
3883 case 0: rate = 2; break; /* 1 Mbps */
3884 case 1: rate = 4; break; /* 2 MBps */
3885 case 2: rate = 11; break; /* 5.5 Mbps */
3886 case 3: rate = 22; break; /* 11 Mbps */
3887 }
3888 break;
3889
3890 case RT2860_RXWI_PHYMODE_OFDM:
3891 switch (mcs)
3892 {
3893 case 0: rate = 12; break; /* 6 Mbps */
3894 case 1: rate = 18; break; /* 9 Mbps */
3895 case 2: rate = 24; break; /* 12 Mbps */
3896 case 3: rate = 36; break; /* 18 Mbps */
3897 case 4: rate = 48; break; /* 24 Mbps */
3898 case 5: rate = 72; break; /* 36 Mbps */
3899 case 6: rate = 96; break; /* 48 Mbps */
3900 case 7: rate = 108; break; /* 54 Mbps */
3901 }
3902 break;
3903
3904 case RT2860_RXWI_PHYMODE_HT_MIXED:
3905 case RT2860_RXWI_PHYMODE_HT_GF:
3906 break;
3907 }
3908
3909 return rate;
3910 }
3911
3912 /*
3913 * rt2860_maxrssi_rxpath
3914 */
3915 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3916 const struct rt2860_rxwi *rxwi)
3917 {
3918 uint8_t rxpath;
3919
3920 rxpath = 0;
3921
3922 if (sc->nrxpath > 1)
3923 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3924 rxpath = 1;
3925
3926 if (sc->nrxpath > 2)
3927 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3928 rxpath = 2;
3929
3930 return rxpath;
3931 }
3932
3933 /*
3934 * rt2860_rssi2dbm
3935 */
3936 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3937 uint8_t rssi, uint8_t rxpath)
3938 {
3939 struct ifnet *ifp;
3940 struct ieee80211com *ic;
3941 struct ieee80211_channel *c;
3942 int chan;
3943 int8_t rssi_off, lna_gain;
3944
3945 if (rssi == 0)
3946 return -99;
3947
3948 ifp = sc->ifp;
3949 ic = ifp->if_l2com;
3950 c = ic->ic_curchan;
3951 chan = ieee80211_chan2ieee(ic, c);
3952
3953 if (IEEE80211_IS_CHAN_5GHZ(c))
3954 {
3955 rssi_off = sc->rssi_off_5ghz[rxpath];
3956
3957 if (chan <= 64)
3958 lna_gain = sc->lna_gain[1];
3959 else if (chan <= 128)
3960 lna_gain = sc->lna_gain[2];
3961 else
3962 lna_gain = sc->lna_gain[3];
3963 }
3964 else
3965 {
3966 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3967 lna_gain = sc->lna_gain[0];
3968 }
3969
3970 return (-12 - rssi_off - lna_gain - rssi);
3971 }
3972
3973 /*
3974 * rt2860_rate2mcs
3975 */
3976 static uint8_t rt2860_rate2mcs(uint8_t rate)
3977 {
3978 switch (rate)
3979 {
3980 /* CCK rates */
3981 case 2: return 0;
3982 case 4: return 1;
3983 case 11: return 2;
3984 case 22: return 3;
3985
3986 /* OFDM rates */
3987 case 12: return 0;
3988 case 18: return 1;
3989 case 24: return 2;
3990 case 36: return 3;
3991 case 48: return 4;
3992 case 72: return 5;
3993 case 96: return 6;
3994 case 108: return 7;
3995 }
3996
3997 return 0;
3998 }
3999
4000 /*
4001 * rt2860_tx_mgmt
4002 */
4003 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
4004 struct mbuf *m, struct ieee80211_node *ni, int qid)
4005 {
4006 struct ifnet *ifp;
4007 struct ieee80211com *ic;
4008 struct ieee80211vap *vap;
4009 const struct ieee80211_txparam *tp;
4010 struct rt2860_softc_node *rni;
4011 struct rt2860_softc_tx_ring *ring;
4012 struct rt2860_softc_tx_data *data;
4013 struct rt2860_txdesc *desc;
4014 struct rt2860_txwi *txwi;
4015 struct ieee80211_frame *wh;
4016 struct rt2860_softc_tx_radiotap_header *tap;
4017 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4018 u_int hdrsize, hdrspace;
4019 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
4020 uint16_t len, dmalen, mpdu_len, dur;
4021 int error, mimops, ndmasegs, ndescs, i, j;
4022
4023 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4024 ("%s: Tx MGMT: invalid qid=%d\n",
4025 device_get_nameunit(sc->dev), qid));
4026
4027 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4028
4029 ifp = sc->ifp;
4030 ic = ifp->if_l2com;
4031 vap = ni->ni_vap;
4032 rni = (struct rt2860_softc_node *) ni;
4033 tp = ni->ni_txparms;
4034
4035 ring = &sc->tx_ring[qid];
4036 desc = &ring->desc[ring->desc_cur];
4037 data = &ring->data[ring->data_cur];
4038 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4039
4040 wh = mtod(m, struct ieee80211_frame *);
4041
4042 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4043
4044 /* fill Tx wireless info */
4045
4046 if (ni->ni_flags & IEEE80211_NODE_HT)
4047 mcs = rate;
4048 else
4049 mcs = rt2860_rate2mcs(rate);
4050
4051 /* calculate MPDU length without padding */
4052
4053 hdrsize = ieee80211_hdrsize(wh);
4054 hdrspace = ieee80211_hdrspace(ic, wh);
4055 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4056
4057 memset(txwi, 0, sizeof(struct rt2860_txwi));
4058
4059 /* management frames do not need encryption */
4060
4061 txwi->wcid = RT2860_WCID_RESERVED;
4062
4063 /* MIMO power save */
4064
4065 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4066 {
4067 if (mcs > 7)
4068 {
4069 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4070 {
4071 /* dynamic MIMO power save */
4072
4073 txwi->mpdu_density_flags |=
4074 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4075 }
4076 else
4077 {
4078 /* static MIMO power save */
4079
4080 mcs = 7;
4081 }
4082 }
4083
4084 mimops = 1;
4085 }
4086 else
4087 {
4088 mimops = 0;
4089 }
4090
4091 pid = mcs;
4092
4093 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4094 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4095 RT2860_TXWI_MPDU_LEN_SHIFT);
4096
4097 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4098 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4099
4100 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4101 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4102
4103 txwi->phymode_ifs_stbc_shortgi |=
4104 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4105 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4106
4107 if (ni->ni_flags & IEEE80211_NODE_HT)
4108 {
4109 txwi->phymode_ifs_stbc_shortgi |=
4110 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4111 }
4112 else
4113 {
4114 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4115 {
4116 txwi->phymode_ifs_stbc_shortgi |=
4117 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4118
4119 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4120 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4121 }
4122 else
4123 {
4124 txwi->phymode_ifs_stbc_shortgi |=
4125 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4126 }
4127 }
4128
4129 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
4130 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4131
4132 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
4133
4134 /* skip ACKs for multicast frames */
4135
4136 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4137 {
4138 txwi->bawin_size_xflags |=
4139 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4140
4141 if (ni->ni_flags & IEEE80211_NODE_HT)
4142 {
4143 /* preamble + plcp + signal extension + SIFS */
4144
4145 dur = 16 + 4 + 6 + 10;
4146 }
4147 else
4148 {
4149 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4150 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4151 }
4152
4153 *(uint16_t *) wh->i_dur = htole16(dur);
4154 }
4155
4156 /* ask MAC to insert timestamp into probe responses */
4157
4158 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4159 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4160 txwi->mpdu_density_flags |=
4161 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4162
4163 if (ieee80211_radiotap_active_vap(vap))
4164 {
4165 tap = &sc->txtap;
4166
4167 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4168 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4169 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4170 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4171 tap->chan_maxpow = 0;
4172
4173 if (ni->ni_flags & IEEE80211_NODE_HT)
4174 tap->rate = mcs | IEEE80211_RATE_MCS;
4175 else
4176 tap->rate = rate;
4177
4178 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4179 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4180
4181 if (shortgi)
4182 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4183
4184 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4185 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4186
4187 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4188 {
4189 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4190
4191 ieee80211_radiotap_tx(vap, m);
4192
4193 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4194 }
4195 else
4196 {
4197 ieee80211_radiotap_tx(vap, m);
4198 }
4199 }
4200
4201 /* copy and trim 802.11 header */
4202
4203 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4204 m_adj(m, hdrspace);
4205
4206 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4207 dma_seg, &ndmasegs, 0);
4208 if (error != 0)
4209 {
4210 /* too many fragments, linearize */
4211
4212 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4213 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4214 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4215
4216 m = m_defrag(m, M_DONTWAIT);
4217 if (m == NULL)
4218 return ENOMEM;
4219
4220 sc->tx_defrag_packets++;
4221
4222 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4223 dma_seg, &ndmasegs, 0);
4224 if (error != 0)
4225 {
4226 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4227 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4228 m_freem(m);
4229 return error;
4230 }
4231 }
4232
4233 if (m->m_pkthdr.len == 0)
4234 ndmasegs = 0;
4235
4236 /* determine how many Tx descs are required */
4237
4238 ndescs = 1 + ndmasegs / 2;
4239 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4240 {
4241 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4242 "%s: there are not enough Tx descs\n",
4243 device_get_nameunit(sc->dev));
4244
4245 sc->no_tx_desc_avail++;
4246
4247 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4248 m_freem(m);
4249 return EFBIG;
4250 }
4251
4252 data->m = m;
4253 data->ni = ni;
4254
4255 /* set up Tx descs */
4256
4257 /* first segment is Tx wireless info and 802.11 header */
4258
4259 len = sizeof(struct rt2860_txwi) + hdrsize;
4260
4261 /* align end on a 4-bytes boundary */
4262
4263 dmalen = (len + 3) & ~ 3;
4264
4265 memset((caddr_t) txwi + len, 0, dmalen - len);
4266
4267 qsel = RT2860_TXDESC_QSEL_EDCA;
4268
4269 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4270 desc->sdl0 = htole16(dmalen);
4271 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4272
4273 /* set up payload segments */
4274
4275 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4276 {
4277 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4278 desc->sdl1 = htole16(dma_seg[j].ds_len);
4279
4280 ring->desc_queued++;
4281 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4282
4283 j++;
4284
4285 desc = &ring->desc[ring->desc_cur];
4286
4287 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4288 desc->sdl0 = htole16(dma_seg[j].ds_len);
4289 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4290
4291 j++;
4292 }
4293
4294 /* finalize last payload segment */
4295
4296 if (i > 0)
4297 {
4298 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4299 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4300 }
4301 else
4302 {
4303 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4304 desc->sdl1 = 0;
4305 }
4306
4307 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4308 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4309 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4310 device_get_nameunit(sc->dev),
4311 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4312 stbc, shortgi, mcs, mimops, dmalen, ndmasegs,
4313 (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);
4314
4315 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4316 BUS_DMASYNC_PREWRITE);
4317 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4318 BUS_DMASYNC_PREWRITE);
4319 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4320 BUS_DMASYNC_PREWRITE);
4321
4322 ring->desc_queued++;
4323 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4324
4325 ring->data_queued++;
4326 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4327
4328 /* kick Tx */
4329
4330 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4331
4332 return 0;
4333 }
4334
4335 /*
4336 * rt2860_tx_data
4337 */
4338 static int rt2860_tx_data(struct rt2860_softc *sc,
4339 struct mbuf *m, struct ieee80211_node *ni, int qid)
4340 {
4341 struct ifnet *ifp;
4342 struct ieee80211com *ic;
4343 struct ieee80211vap *vap;
4344 const struct ieee80211_txparam *tp;
4345 struct rt2860_softc_node *rni;
4346 struct rt2860_softc_tx_ring *ring;
4347 struct rt2860_softc_tx_data *data;
4348 struct rt2860_txdesc *desc;
4349 struct rt2860_txwi *txwi;
4350 struct ieee80211_frame *wh;
4351 struct ieee80211_tx_ampdu *tx_ampdu;
4352 ieee80211_seq seqno;
4353 struct rt2860_softc_tx_radiotap_header *tap;
4354 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4355 u_int hdrsize, hdrspace;
4356 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4357 uint16_t qos, len, dmalen, mpdu_len, dur;
4358 int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j;
4359
4360 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4361 ("%s: Tx data: invalid qid=%d\n",
4362 device_get_nameunit(sc->dev), qid));
4363
4364 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4365
4366 ifp = sc->ifp;
4367 ic = ifp->if_l2com;
4368 vap = ni->ni_vap;
4369 rni = (struct rt2860_softc_node *) ni;
4370 tp = ni->ni_txparms;
4371
4372 ring = &sc->tx_ring[qid];
4373 desc = &ring->desc[ring->desc_cur];
4374 data = &ring->data[ring->data_cur];
4375 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4376
4377 wh = mtod(m, struct ieee80211_frame *);
4378
4379 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4380
4381 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4382 if (hasqos)
4383 {
4384 if (IEEE80211_HAS_ADDR4(wh))
4385 qos = le16toh(*(const uint16_t *)
4386 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4387 else
4388 qos = le16toh(*(const uint16_t *)
4389 (((struct ieee80211_qosframe *) wh)->i_qos));
4390 }
4391 else
4392 {
4393 qos = 0;
4394 }
4395
4396 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4397 rate = tp->mcastrate;
4398 else if (m->m_flags & M_EAPOL)
4399 rate = tp->mgmtrate;
4400 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4401 rate = tp->ucastrate;
4402 else
4403 rate = ni->ni_txrate;
4404
4405 rate &= IEEE80211_RATE_VAL;
4406
4407 /* fill Tx wireless info */
4408
4409 if (ni->ni_flags & IEEE80211_NODE_HT)
4410 mcs = rate;
4411 else
4412 mcs = rt2860_rate2mcs(rate);
4413
4414 if (type == IEEE80211_FC0_TYPE_DATA)
4415 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
4416 else
4417 wcid = RT2860_WCID_RESERVED;
4418
4419 /* calculate MPDU length without padding */
4420
4421 hdrsize = ieee80211_hdrsize(wh);
4422 hdrspace = ieee80211_hdrspace(ic, wh);
4423 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4424
4425 memset(txwi, 0, sizeof(struct rt2860_txwi));
4426
4427 txwi->wcid = wcid;
4428
4429 /* MIMO power save */
4430
4431 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4432 {
4433 if (mcs > 7)
4434 {
4435 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4436 {
4437 /* dynamic MIMO power save */
4438
4439 txwi->mpdu_density_flags |=
4440 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4441 }
4442 else
4443 {
4444 /* static MIMO power save */
4445
4446 mcs = 7;
4447 }
4448 }
4449
4450 mimops = 1;
4451 }
4452 else
4453 {
4454 mimops = 0;
4455 }
4456
4457 pid = mcs;
4458
4459 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4460 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4461 RT2860_TXWI_MPDU_LEN_SHIFT);
4462
4463 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4464 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4465
4466 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4467 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4468
4469 txwi->phymode_ifs_stbc_shortgi |=
4470 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4471 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4472
4473 if (ni->ni_flags & IEEE80211_NODE_HT)
4474 {
4475 txwi->phymode_ifs_stbc_shortgi |=
4476 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4477 }
4478 else
4479 {
4480 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4481 {
4482 txwi->phymode_ifs_stbc_shortgi |=
4483 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4484
4485 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4486 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4487 }
4488 else
4489 {
4490 txwi->phymode_ifs_stbc_shortgi |=
4491 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4492 }
4493 }
4494
4495 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4496 bw = RT2860_TXWI_BW_40;
4497 else
4498 bw = RT2860_TXWI_BW_20;
4499
4500 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4501 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4502
4503 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4504
4505 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4506 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4507 {
4508 txwi->bawin_size_xflags |=
4509 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4510
4511 if (ni->ni_flags & IEEE80211_NODE_HT)
4512 {
4513 /* preamble + plcp + signal extension + SIFS */
4514
4515 dur = 16 + 4 + 6 + 10;
4516 }
4517 else
4518 {
4519 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4520 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4521 }
4522
4523 *(uint16_t *) wh->i_dur = htole16(dur);
4524 }
4525
4526 /* check for A-MPDU */
4527
4528 if (m->m_flags & M_AMPDU_MPDU)
4529 {
4530 ac = M_WME_GETAC(m);
4531 tid = WME_AC_TO_TID(ac);
4532 tx_ampdu = &ni->ni_tx_ampdu[ac];
4533
4534 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4535 bawin_size = tx_ampdu->txa_wnd;
4536
4537 txwi->mpdu_density_flags |=
4538 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4539 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4540
4541 txwi->bawin_size_xflags |=
4542 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4543
4544 seqno = ni->ni_txseqs[tid]++;
4545
4546 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4547
4548 ampdu = 1;
4549 }
4550 else
4551 {
4552 mpdu_density = 0;
4553 bawin_size = 0;
4554 ampdu = 0;
4555 }
4556
4557 /* ask MAC to insert timestamp into probe responses */
4558
4559 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4560 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4561 txwi->mpdu_density_flags |=
4562 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4563
4564 if (ieee80211_radiotap_active_vap(vap))
4565 {
4566 tap = &sc->txtap;
4567
4568 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4569 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4570 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4571 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4572 tap->chan_maxpow = 0;
4573
4574 if (ni->ni_flags & IEEE80211_NODE_HT)
4575 tap->rate = mcs | IEEE80211_RATE_MCS;
4576 else
4577 tap->rate = rate;
4578
4579 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4580 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4581
4582 if (shortgi)
4583 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4584
4585 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4586 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4587
4588 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4589 {
4590 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4591
4592 ieee80211_radiotap_tx(vap, m);
4593
4594 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4595 }
4596 else
4597 {
4598 ieee80211_radiotap_tx(vap, m);
4599 }
4600 }
4601
4602 /* copy and trim 802.11 header */
4603
4604 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4605 m_adj(m, hdrspace);
4606
4607 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4608 dma_seg, &ndmasegs, 0);
4609 if (error != 0)
4610 {
4611 /* too many fragments, linearize */
4612
4613 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4614 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4615 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4616
4617 m = m_defrag(m, M_DONTWAIT);
4618 if (m == NULL)
4619 return ENOMEM;
4620
4621 sc->tx_defrag_packets++;
4622
4623 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4624 dma_seg, &ndmasegs, 0);
4625 if (error != 0)
4626 {
4627 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4628 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4629 m_freem(m);
4630 return error;
4631 }
4632 }
4633
4634 if (m->m_pkthdr.len == 0)
4635 ndmasegs = 0;
4636
4637 /* determine how many Tx descs are required */
4638
4639 ndescs = 1 + ndmasegs / 2;
4640 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4641 {
4642 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4643 "%s: there are not enough Tx descs\n",
4644 device_get_nameunit(sc->dev));
4645
4646 sc->no_tx_desc_avail++;
4647
4648 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4649 m_freem(m);
4650 return EFBIG;
4651 }
4652
4653 data->m = m;
4654 data->ni = ni;
4655
4656 /* set up Tx descs */
4657
4658 /* first segment is Tx wireless info and 802.11 header */
4659
4660 len = sizeof(struct rt2860_txwi) + hdrsize;
4661
4662 /* align end on a 4-bytes boundary */
4663
4664 dmalen = (len + 3) & ~ 3;
4665
4666 memset((caddr_t) txwi + len, 0, dmalen - len);
4667
4668 qsel = RT2860_TXDESC_QSEL_EDCA;
4669
4670 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4671 desc->sdl0 = htole16(dmalen);
4672 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4673
4674 /* set up payload segments */
4675
4676 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4677 {
4678 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4679 desc->sdl1 = htole16(dma_seg[j].ds_len);
4680
4681 ring->desc_queued++;
4682 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4683
4684 j++;
4685
4686 desc = &ring->desc[ring->desc_cur];
4687
4688 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4689 desc->sdl0 = htole16(dma_seg[j].ds_len);
4690 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4691
4692 j++;
4693 }
4694
4695 /* finalize last payload segment */
4696
4697 if (i > 0)
4698 {
4699 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4700 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4701 }
4702 else
4703 {
4704 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4705 desc->sdl1 = 0;
4706 }
4707
4708 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4709 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4710 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
4711 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4712 device_get_nameunit(sc->dev),
4713 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4714 bw, stbc, shortgi, mcs, wcid, ampdu, mpdu_density, bawin_size, mimops, dmalen, ndmasegs,
4715 (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);
4716
4717 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4718 BUS_DMASYNC_PREWRITE);
4719 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4720 BUS_DMASYNC_PREWRITE);
4721 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4722 BUS_DMASYNC_PREWRITE);
4723
4724 ring->desc_queued++;
4725 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4726
4727 ring->data_queued++;
4728 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4729
4730 /* kick Tx */
4731
4732 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4733
4734 return 0;
4735 }
4736
4737 /*
4738 * rt2860_tx_raw
4739 */
4740 static int rt2860_tx_raw(struct rt2860_softc *sc,
4741 struct mbuf *m, struct ieee80211_node *ni,
4742 const struct ieee80211_bpf_params *params)
4743 {
4744 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4745 "%s: Tx raw\n",
4746 device_get_nameunit(sc->dev));
4747
4748 return 0;
4749 }
4750
4751 /*
4752 * rt2860_intr
4753 */
4754 static void rt2860_intr(void *arg)
4755 {
4756 struct rt2860_softc *sc;
4757 struct ifnet *ifp;
4758 uint32_t status;
4759
4760 sc = arg;
4761 ifp = sc->ifp;
4762
4763 /* acknowledge interrupts */
4764
4765 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4766 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4767
4768 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4769 "%s: interrupt: status = 0x%08x\n",
4770 device_get_nameunit(sc->dev), status);
4771
4772 if (status == 0xffffffff || /* device likely went away */
4773 status == 0) /* not for us */
4774 return;
4775
4776 sc->interrupts++;
4777
4778 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4779 return;
4780
4781 if (status & RT2860_REG_INT_TX_COHERENT)
4782 rt2860_tx_coherent_intr(sc);
4783
4784 if (status & RT2860_REG_INT_RX_COHERENT)
4785 rt2860_rx_coherent_intr(sc);
4786
4787 if (status & RT2860_REG_INT_TXRX_COHERENT)
4788 rt2860_txrx_coherent_intr(sc);
4789
4790 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4791 rt2860_fifo_sta_full_intr(sc);
4792
4793 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4794 rt2860_tx_intr(sc, 5);
4795
4796 if (status & RT2860_REG_INT_RX_DONE)
4797 rt2860_rx_intr(sc);
4798
4799 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4800 rt2860_rx_delay_intr(sc);
4801
4802 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4803 rt2860_tx_intr(sc, 4);
4804
4805 if (status & RT2860_REG_INT_TX_AC3_DONE)
4806 rt2860_tx_intr(sc, 3);
4807
4808 if (status & RT2860_REG_INT_TX_AC2_DONE)
4809 rt2860_tx_intr(sc, 2);
4810
4811 if (status & RT2860_REG_INT_TX_AC1_DONE)
4812 rt2860_tx_intr(sc, 1);
4813
4814 if (status & RT2860_REG_INT_TX_AC0_DONE)
4815 rt2860_tx_intr(sc, 0);
4816
4817 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4818 rt2860_tx_delay_intr(sc);
4819
4820 if (status & RT2860_REG_INT_PRE_TBTT)
4821 rt2860_pre_tbtt_intr(sc);
4822
4823 if (status & RT2860_REG_INT_TBTT)
4824 rt2860_tbtt_intr(sc);
4825
4826 if (status & RT2860_REG_INT_MCU_CMD)
4827 rt2860_mcu_cmd_intr(sc);
4828
4829 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4830 rt2860_auto_wakeup_intr(sc);
4831
4832 if (status & RT2860_REG_INT_GP_TIMER)
4833 rt2860_gp_timer_intr(sc);
4834 }
4835
4836 /*
4837 * rt2860_tx_coherent_intr
4838 */
4839 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4840 {
4841 uint32_t tmp;
4842 int i;
4843
4844 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4845 "%s: Tx coherent interrupt\n",
4846 device_get_nameunit(sc->dev));
4847
4848 sc->tx_coherent_interrupts++;
4849
4850 /* restart DMA engine */
4851
4852 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4853
4854 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4855 RT2860_REG_RX_DMA_ENABLE |
4856 RT2860_REG_TX_DMA_ENABLE);
4857
4858 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4859
4860 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4861
4862 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4863 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4864
4865 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4866 {
4867 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4868 sc->tx_ring[i].desc_phys_addr);
4869 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4870 RT2860_SOFTC_TX_RING_DESC_COUNT);
4871 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4872 }
4873
4874 /* init Rx ring */
4875
4876 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4877
4878 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4879 sc->rx_ring.desc_phys_addr);
4880 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4881 RT2860_SOFTC_RX_RING_DATA_COUNT);
4882 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4883 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4884
4885 rt2860_txrx_enable(sc);
4886 }
4887
4888 /*
4889 * rt2860_rx_coherent_intr
4890 */
4891 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4892 {
4893 uint32_t tmp;
4894 int i;
4895
4896 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4897 "%s: Rx coherent interrupt\n",
4898 device_get_nameunit(sc->dev));
4899
4900 sc->rx_coherent_interrupts++;
4901
4902 /* restart DMA engine */
4903
4904 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4905
4906 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4907 RT2860_REG_RX_DMA_ENABLE |
4908 RT2860_REG_TX_DMA_ENABLE);
4909
4910 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4911
4912 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4913
4914 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4915 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4916
4917 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4918 {
4919 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4920 sc->tx_ring[i].desc_phys_addr);
4921 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4922 RT2860_SOFTC_TX_RING_DESC_COUNT);
4923 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4924 }
4925
4926 /* init Rx ring */
4927
4928 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4929
4930 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4931 sc->rx_ring.desc_phys_addr);
4932 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4933 RT2860_SOFTC_RX_RING_DATA_COUNT);
4934 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4935 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4936
4937 rt2860_txrx_enable(sc);
4938 }
4939
4940 /*
4941 * rt2860_txrx_coherent_intr
4942 */
4943 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4944 {
4945 uint32_t tmp;
4946 int i;
4947
4948 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4949 "%s: Tx/Rx coherent interrupt\n",
4950 device_get_nameunit(sc->dev));
4951
4952 sc->txrx_coherent_interrupts++;
4953
4954 /* restart DMA engine */
4955
4956 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4957
4958 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4959 RT2860_REG_RX_DMA_ENABLE |
4960 RT2860_REG_TX_DMA_ENABLE);
4961
4962 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4963
4964 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4965
4966 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4967 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4968
4969 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4970 {
4971 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4972 sc->tx_ring[i].desc_phys_addr);
4973 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4974 RT2860_SOFTC_TX_RING_DESC_COUNT);
4975 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4976 }
4977
4978 /* init Rx ring */
4979
4980 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4981
4982 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4983 sc->rx_ring.desc_phys_addr);
4984 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4985 RT2860_SOFTC_RX_RING_DATA_COUNT);
4986 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4987 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4988
4989 rt2860_txrx_enable(sc);
4990 }
4991
4992 /*
4993 * rt2860_fifo_sta_full_intr
4994 */
4995 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4996 {
4997 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4998 "%s: FIFO statistic full interrupt\n",
4999 device_get_nameunit(sc->dev));
5000
5001 sc->fifo_sta_full_interrupts++;
5002
5003 RT2860_SOFTC_LOCK(sc);
5004
5005 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
5006 {
5007 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5008
5009 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5010 }
5011
5012 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
5013
5014 RT2860_SOFTC_UNLOCK(sc);
5015 }
5016
5017 /*
5018 * rt2860_rx_intr
5019 */
5020 static void rt2860_rx_intr(struct rt2860_softc *sc)
5021 {
5022 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5023 "%s: Rx interrupt\n",
5024 device_get_nameunit(sc->dev));
5025
5026 sc->rx_interrupts++;
5027
5028 RT2860_SOFTC_LOCK(sc);
5029
5030 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
5031 {
5032 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
5033
5034 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5035 }
5036
5037 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
5038
5039 RT2860_SOFTC_UNLOCK(sc);
5040 }
5041
5042 /*
5043 * rt2860_rx_delay_intr
5044 */
5045 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
5046 {
5047 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5048 "%s: Rx delay interrupt\n",
5049 device_get_nameunit(sc->dev));
5050
5051 sc->rx_delay_interrupts++;
5052 }
5053
5054 /*
5055 * rt2860_tx_intr
5056 */
5057 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
5058 {
5059 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
5060 ("%s: Tx interrupt: invalid qid=%d\n",
5061 device_get_nameunit(sc->dev), qid));
5062
5063 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5064 "%s: Tx interrupt: qid=%d\n",
5065 device_get_nameunit(sc->dev), qid);
5066
5067 sc->tx_interrupts[qid]++;
5068
5069 RT2860_SOFTC_LOCK(sc);
5070
5071 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
5072 {
5073 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
5074
5075 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5076 }
5077
5078 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
5079
5080 RT2860_SOFTC_UNLOCK(sc);
5081 }
5082
5083 /*
5084 * rt2860_tx_delay_intr
5085 */
5086 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
5087 {
5088 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5089 "%s: Tx delay interrupt\n",
5090 device_get_nameunit(sc->dev));
5091
5092 sc->tx_delay_interrupts++;
5093 }
5094
5095 /*
5096 * rt2860_pre_tbtt_intr
5097 */
5098 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
5099 {
5100 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5101 "%s: Pre-TBTT interrupt\n",
5102 device_get_nameunit(sc->dev));
5103
5104 sc->pre_tbtt_interrupts++;
5105 }
5106
5107 /*
5108 * rt2860_tbtt_intr
5109 */
5110 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
5111 {
5112 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5113 "%s: TBTT interrupt\n",
5114 device_get_nameunit(sc->dev));
5115
5116 sc->tbtt_interrupts++;
5117 }
5118
5119 /*
5120 * rt2860_mcu_cmd_intr
5121 */
5122 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
5123 {
5124 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5125 "%s: MCU command interrupt\n",
5126 device_get_nameunit(sc->dev));
5127
5128 sc->mcu_cmd_interrupts++;
5129 }
5130
5131 /*
5132 * rt2860_auto_wakeup_intr
5133 */
5134 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
5135 {
5136 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5137 "%s: auto wakeup interrupt\n",
5138 device_get_nameunit(sc->dev));
5139
5140 sc->auto_wakeup_interrupts++;
5141 }
5142
5143 /*
5144 * rt2860_gp_timer_intr
5145 */
5146 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
5147 {
5148 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5149 "%s: GP timer interrupt\n",
5150 device_get_nameunit(sc->dev));
5151
5152 sc->gp_timer_interrupts++;
5153 }
5154
5155 /*
5156 * rt2860_rx_done_task
5157 */
5158 static void rt2860_rx_done_task(void *context, int pending)
5159 {
5160 struct rt2860_softc *sc;
5161 struct ifnet *ifp;
5162 int again;
5163
5164 sc = context;
5165 ifp = sc->ifp;
5166
5167 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5168 "%s: Rx done task\n",
5169 device_get_nameunit(sc->dev));
5170
5171 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5172 return;
5173
5174 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
5175
5176 again = rt2860_rx_eof(sc, sc->rx_process_limit);
5177
5178 RT2860_SOFTC_LOCK(sc);
5179
5180 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
5181 {
5182 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5183 "%s: Rx done task: scheduling again\n",
5184 device_get_nameunit(sc->dev));
5185
5186 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5187 }
5188 else
5189 {
5190 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
5191 }
5192
5193 RT2860_SOFTC_UNLOCK(sc);
5194 }
5195
5196 /*
5197 * rt2860_tx_done_task
5198 */
5199 static void rt2860_tx_done_task(void *context, int pending)
5200 {
5201 struct rt2860_softc *sc;
5202 struct ifnet *ifp;
5203 uint32_t intr_mask;
5204 int i;
5205
5206 sc = context;
5207 ifp = sc->ifp;
5208
5209 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5210 "%s: Tx done task\n",
5211 device_get_nameunit(sc->dev));
5212
5213 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5214 return;
5215
5216 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
5217 {
5218 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
5219 {
5220 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
5221
5222 rt2860_tx_eof(sc, &sc->tx_ring[i]);
5223 }
5224 }
5225
5226 sc->tx_timer = 0;
5227
5228 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5229
5230 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
5231 RT2860_REG_INT_TX_HCCA_DONE |
5232 RT2860_REG_INT_TX_AC3_DONE |
5233 RT2860_REG_INT_TX_AC2_DONE |
5234 RT2860_REG_INT_TX_AC1_DONE |
5235 RT2860_REG_INT_TX_AC0_DONE);
5236
5237 RT2860_SOFTC_LOCK(sc);
5238
5239 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
5240 (sc->intr_disable_mask & intr_mask));
5241
5242 if (sc->intr_pending_mask & intr_mask)
5243 {
5244 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5245 "%s: Tx done task: scheduling again\n",
5246 device_get_nameunit(sc->dev));
5247
5248 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5249 }
5250
5251 RT2860_SOFTC_UNLOCK(sc);
5252
5253 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5254 rt2860_start(ifp);
5255 }
5256
5257 /*
5258 * rt2860_fifo_sta_full_task
5259 */
5260 static void rt2860_fifo_sta_full_task(void *context, int pending)
5261 {
5262 struct rt2860_softc *sc;
5263 struct ifnet *ifp;
5264
5265 sc = context;
5266 ifp = sc->ifp;
5267
5268 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5269 "%s: FIFO statistic full task\n",
5270 device_get_nameunit(sc->dev));
5271
5272 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5273 return;
5274
5275 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
5276
5277 rt2860_drain_fifo_stats(sc);
5278
5279 RT2860_SOFTC_LOCK(sc);
5280
5281 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
5282 {
5283 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5284 "%s: FIFO statistic full task: scheduling again\n",
5285 device_get_nameunit(sc->dev));
5286
5287 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5288 }
5289 else
5290 {
5291 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5292 }
5293
5294 RT2860_SOFTC_UNLOCK(sc);
5295
5296 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5297 rt2860_start(ifp);
5298 }
5299
5300 /*
5301 * rt2860_periodic_task
5302 */
5303 static void rt2860_periodic_task(void *context, int pending)
5304 {
5305 struct rt2860_softc *sc;
5306 struct ifnet *ifp;
5307 struct ieee80211com *ic;
5308 struct ieee80211vap *vap;
5309
5310 sc = context;
5311 ifp = sc->ifp;
5312 ic = ifp->if_l2com;
5313 vap = TAILQ_FIRST(&ic->ic_vaps);
5314
5315 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5316 "%s: periodic task: round=%lu\n",
5317 device_get_nameunit(sc->dev), sc->periodic_round);
5318
5319 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5320 return;
5321
5322 RT2860_SOFTC_LOCK(sc);
5323
5324 sc->periodic_round++;
5325
5326 rt2860_update_stats(sc);
5327
5328 if ((sc->periodic_round % 10) == 0)
5329 {
5330 rt2860_bbp_tuning(sc);
5331
5332 rt2860_update_raw_counters(sc);
5333
5334 rt2860_watchdog(sc);
5335
5336 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5337 {
5338 if (vap->iv_opmode == IEEE80211_M_STA)
5339 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5340 else
5341 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5342 }
5343 }
5344
5345 RT2860_SOFTC_UNLOCK(sc);
5346
5347 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5348 }
5349
5350 /*
5351 * rt2860_rx_eof
5352 */
5353 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5354 {
5355 struct ifnet *ifp;
5356 struct ieee80211com *ic;
5357 struct ieee80211_frame *wh;
5358 struct ieee80211_node *ni;
5359 struct rt2860_softc_node *rni;
5360 struct rt2860_softc_rx_radiotap_header *tap;
5361 struct rt2860_softc_rx_ring *ring;
5362 struct rt2860_rxdesc *desc;
5363 struct rt2860_softc_rx_data *data;
5364 struct rt2860_rxwi *rxwi;
5365 struct mbuf *m, *mnew;
5366 bus_dma_segment_t segs[1];
5367 bus_dmamap_t dma_map;
5368 uint32_t index, desc_flags;
5369 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
5370 uint16_t seq;
5371 int8_t rssi_dbm;
5372 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5373
5374 ifp = sc->ifp;
5375 ic = ifp->if_l2com;
5376 ring = &sc->rx_ring;
5377
5378 nframes = 0;
5379
5380 while (limit != 0)
5381 {
5382 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5383 if (ring->cur == index)
5384 break;
5385
5386 desc = &ring->desc[ring->cur];
5387 data = &ring->data[ring->cur];
5388
5389 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5390 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5391
5392 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5393 break;
5394
5395 nframes++;
5396
5397 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5398 if (mnew == NULL)
5399 {
5400 sc->rx_mbuf_alloc_errors++;
5401 ifp->if_ierrors++;
5402 goto skip;
5403 }
5404
5405 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5406
5407 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5408 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5409 if (error != 0)
5410 {
5411 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5412 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5413 device_get_nameunit(sc->dev), error, nsegs);
5414
5415 m_freem(mnew);
5416
5417 sc->rx_mbuf_dmamap_errors++;
5418 ifp->if_ierrors++;
5419
5420 goto skip;
5421 }
5422
5423 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5424 device_get_nameunit(sc->dev)));
5425
5426 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5427 BUS_DMASYNC_POSTREAD);
5428 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5429
5430 dma_map = data->dma_map;
5431 data->dma_map = ring->spare_dma_map;
5432 ring->spare_dma_map = dma_map;
5433
5434 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5435 BUS_DMASYNC_PREREAD);
5436
5437 m = data->m;
5438
5439 data->m = mnew;
5440 desc->sdp0 = htole32(segs[0].ds_addr);
5441
5442 desc_flags = le32toh(desc->flags);
5443
5444 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5445 "%s: Rx frame: rxdesc flags=0x%08x\n",
5446 device_get_nameunit(sc->dev), desc_flags);
5447
5448 /* get Rx wireless info */
5449
5450 rxwi = mtod(m, struct rt2860_rxwi *);
5451 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5452 RT2860_RXWI_SIZE_MASK;
5453
5454 /* check for L2 padding between IEEE 802.11 frame header and body */
5455
5456 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5457 {
5458 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5459 "%s: L2 padding: len=%d\n",
5460 device_get_nameunit(sc->dev), len);
5461
5462 len += 2;
5463 }
5464
5465 m->m_pkthdr.rcvif = ifp;
5466 m->m_data = (caddr_t) (rxwi + 1);
5467 m->m_pkthdr.len = m->m_len = len;
5468
5469 /* check for crc errors */
5470
5471 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5472 {
5473 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5474 "%s: rxdesc: crc error\n",
5475 device_get_nameunit(sc->dev));
5476
5477 ifp->if_ierrors++;
5478
5479 if (!(ifp->if_flags & IFF_PROMISC))
5480 {
5481 m_freem(m);
5482 goto skip;
5483 }
5484 }
5485
5486 wh = (struct ieee80211_frame *) (rxwi + 1);
5487
5488 /* check for cipher errors */
5489
5490 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5491 {
5492 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5493 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5494 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5495 {
5496 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5497 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5498
5499 m->m_flags |= M_WEP;
5500
5501 sc->rx_cipher_no_errors++;
5502 }
5503 else
5504 {
5505 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5506 "%s: rxdesc: cipher error=0x%02x\n",
5507 device_get_nameunit(sc->dev), cipher_err);
5508
5509 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5510 sc->rx_cipher_icv_errors++;
5511 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5512 sc->rx_cipher_mic_errors++;
5513 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5514 sc->rx_cipher_invalid_key_errors++;
5515
5516 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5517 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5518 {
5519 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5520 if (ni != NULL)
5521 {
5522 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5523 RT2860_RXWI_KEYIDX_MASK;
5524
5525 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5526
5527 ieee80211_free_node(ni);
5528 }
5529 }
5530
5531 ifp->if_ierrors++;
5532
5533 if (!(ifp->if_flags & IFF_PROMISC))
5534 {
5535 m_free(m);
5536 goto skip;
5537 }
5538 }
5539 }
5540 else
5541 {
5542 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5543 {
5544 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5545 "%s: rxdesc: not decrypted but protected flag set\n",
5546 device_get_nameunit(sc->dev));
5547
5548 ifp->if_ierrors++;
5549
5550 if (!(ifp->if_flags & IFF_PROMISC))
5551 {
5552 m_free(m);
5553 goto skip;
5554 }
5555 }
5556 }
5557
5558 /* check for A-MPDU */
5559
5560 if (desc_flags & RT2860_RXDESC_FLAGS_BA)
5561 {
5562 m->m_flags |= M_AMPDU;
5563
5564 sc->rx_ampdu++;
5565
5566 ampdu = 1;
5567 }
5568 else
5569 {
5570 ampdu = 0;
5571 }
5572
5573 /* check for A-MSDU */
5574
5575 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5576 {
5577 sc->rx_amsdu++;
5578
5579 amsdu = 1;
5580 }
5581 else
5582 {
5583 amsdu = 0;
5584 }
5585
5586 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5587 rssi = rxwi->rssi[ant];
5588 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5589 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5590 RT2860_RXWI_PHYMODE_MASK);
5591 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5592 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5593 RT2860_RXWI_SHORTGI_MASK);
5594 stbc = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_STBC_SHIFT) &
5595 RT2860_RXWI_STBC_MASK);
5596 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5597 tid = ((rxwi->tid_size >> RT2860_RXWI_TID_SHIFT) & RT2860_RXWI_TID_MASK);
5598 seq = ((rxwi->seq_frag >> RT2860_RXWI_SEQ_SHIFT) & RT2860_RXWI_SEQ_MASK);
5599 frag = ((rxwi->seq_frag >> RT2860_RXWI_FRAG_SHIFT) & RT2860_RXWI_FRAG_MASK);
5600
5601 if (ieee80211_radiotap_active(ic))
5602 {
5603 tap = &sc->rxtap;
5604
5605 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5606 tap->dbm_antsignal = rssi_dbm;
5607 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5608 tap->antenna = ant;
5609 tap->antsignal = rssi;
5610 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5611 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5612 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5613 tap->chan_maxpow = 0;
5614
5615 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5616 tap->rate = mcs | IEEE80211_RATE_MCS;
5617 else
5618 tap->rate = rt2860_rxrate(rxwi);
5619
5620 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5621 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5622
5623 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5624 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5625
5626 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5627 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5628
5629 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5630 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5631 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5632
5633 if (shortgi)
5634 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5635 }
5636
5637 /*
5638 * net80211 assumes that RSSI data are in the range [-127..127] and
5639 * in .5 dBm units relative to the current noise floor
5640 */
5641
5642 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5643 if (rssi_dbm_rel > 127)
5644 rssi_dbm_rel = 127;
5645
5646 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5647 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
5648 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
5649 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5650 device_get_nameunit(sc->dev),
5651 len, phymode, bw, shortgi, stbc, mcs,
5652 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5653 rxwi->snr[0], rxwi->snr[1],
5654 rxwi->wcid, ampdu, amsdu, tid, seq, frag, rssi_dbm, rssi_dbm_rel);
5655
5656 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5657 if (ni != NULL)
5658 {
5659 rni = (struct rt2860_softc_node *) ni;
5660
5661 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5662 {
5663 rni->last_rssi[i] = rxwi->rssi[i];
5664 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5665 }
5666
5667 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5668 ieee80211_free_node(ni);
5669 }
5670 else
5671 {
5672 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5673 }
5674
5675 skip:
5676
5677 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5678
5679 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5680 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5681
5682 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5683
5684 limit--;
5685 }
5686
5687 if (ring->cur == 0)
5688 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5689 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5690 else
5691 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5692 ring->cur - 1);
5693
5694 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5695 "%s: Rx eof: nframes=%d\n",
5696 device_get_nameunit(sc->dev), nframes);
5697
5698 sc->rx_packets += nframes;
5699
5700 return (limit == 0);
5701 }
5702
5703 /*
5704 * rt2860_tx_eof
5705 */
5706 static void rt2860_tx_eof(struct rt2860_softc *sc,
5707 struct rt2860_softc_tx_ring *ring)
5708 {
5709 struct ifnet *ifp;
5710 struct rt2860_txdesc *desc;
5711 struct rt2860_softc_tx_data *data;
5712 uint32_t index;
5713 int ndescs, nframes;
5714
5715 ifp = sc->ifp;
5716
5717 ndescs = 0;
5718 nframes = 0;
5719
5720 for (;;)
5721 {
5722 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5723 if (ring->desc_next == index)
5724 break;
5725
5726 ndescs++;
5727
5728 rt2860_drain_fifo_stats(sc);
5729
5730 desc = &ring->desc[ring->desc_next];
5731
5732 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5733 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5734
5735 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5736 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5737 {
5738 nframes++;
5739
5740 data = &ring->data[ring->data_next];
5741
5742 if (data->m->m_flags & M_TXCB)
5743 ieee80211_process_callback(data->ni, data->m, 0);
5744
5745 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5746 BUS_DMASYNC_POSTWRITE);
5747 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5748
5749 m_freem(data->m);
5750
5751 ieee80211_free_node(data->ni);
5752
5753 data->m = NULL;
5754 data->ni = NULL;
5755
5756 ifp->if_opackets++;
5757
5758 RT2860_SOFTC_TX_RING_LOCK(ring);
5759
5760 ring->data_queued--;
5761 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5762
5763 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5764 }
5765
5766 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5767
5768 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5769 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5770
5771 RT2860_SOFTC_TX_RING_LOCK(ring);
5772
5773 ring->desc_queued--;
5774 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5775
5776 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5777 }
5778
5779 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5780 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5781 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5782 }
5783
5784 /*
5785 * rt2860_update_stats
5786 */
5787 static void rt2860_update_stats(struct rt2860_softc *sc)
5788 {
5789 struct ifnet *ifp;
5790 struct ieee80211com *ic;
5791 uint32_t stacnt[3];
5792 int beacons, noretryok, retryok, failed, underflows, zerolen;
5793
5794 ifp = sc->ifp;
5795 ic = ifp->if_l2com;
5796
5797 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5798 "%s: update statistic\n",
5799 device_get_nameunit(sc->dev));
5800
5801 rt2860_drain_fifo_stats(sc);
5802
5803 /* read and clear Tx statistic registers */
5804
5805 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5806 stacnt, sizeof(stacnt));
5807
5808 stacnt[0] = le32toh(stacnt[0]);
5809 stacnt[1] = le32toh(stacnt[1]);
5810 stacnt[2] = le32toh(stacnt[2]);
5811
5812 beacons = stacnt[0] >> 16;
5813 noretryok = stacnt[1] & 0xffff;
5814 retryok = stacnt[1] >> 16;
5815 failed = stacnt[0] & 0xffff;
5816 underflows = stacnt[2] >> 16;
5817 zerolen = stacnt[2] & 0xffff;
5818
5819 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5820 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5821 device_get_nameunit(sc->dev),
5822 beacons, noretryok, retryok, failed, underflows, zerolen);
5823
5824 ifp->if_oerrors += failed;
5825
5826 sc->tx_beacons += beacons;
5827 sc->tx_noretryok += noretryok;
5828 sc->tx_retryok += retryok;
5829 sc->tx_failed += failed;
5830 sc->tx_underflows += underflows;
5831 sc->tx_zerolen += zerolen;
5832 }
5833
5834 /*
5835 * rt2860_bbp_tuning
5836 */
5837 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5838 {
5839 struct ifnet *ifp;
5840 struct ieee80211com *ic;
5841 struct ieee80211vap *vap;
5842 struct ieee80211_node *ni;
5843 int chan, group;
5844 int8_t rssi, old, new;
5845
5846 /* RT2860C does not support BBP tuning */
5847
5848 if (sc->mac_rev == 0x28600100)
5849 return;
5850
5851 ifp = sc->ifp;
5852 ic = ifp->if_l2com;
5853 vap = TAILQ_FIRST(&ic->ic_vaps);
5854
5855 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5856 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5857 return;
5858
5859 ni = vap->iv_bss;
5860
5861 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5862
5863 if (chan <= 14)
5864 group = 0;
5865 else if (chan <= 64)
5866 group = 1;
5867 else if (chan <= 128)
5868 group = 2;
5869 else
5870 group = 3;
5871
5872 rssi = ieee80211_getrssi(vap);
5873
5874 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5875 {
5876 new = 0x2e + sc->lna_gain[group];
5877 }
5878 else
5879 {
5880 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5881 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5882 else
5883 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5884 }
5885
5886 /* Tune if absolute average RSSI is greater than -80 */
5887
5888 if (rssi > 30)
5889 new += 0x10;
5890
5891 old = rt2860_io_bbp_read(sc, 66);
5892
5893 if (old != new)
5894 rt2860_io_bbp_write(sc, 66, new);
5895 }
5896
5897 /*
5898 * rt2860_watchdog
5899 */
5900 static void rt2860_watchdog(struct rt2860_softc *sc)
5901 {
5902 uint32_t tmp;
5903 int ntries;
5904
5905 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5906
5907 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5908 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5909 device_get_nameunit(sc->dev), tmp);
5910
5911 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5912 {
5913 sc->tx_queue_not_empty[0]++;
5914
5915 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5916
5917 for (ntries = 0; ntries < 10; ntries++)
5918 {
5919 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5920 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5921 break;
5922
5923 DELAY(1);
5924 }
5925
5926 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5927 }
5928
5929 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5930 {
5931 sc->tx_queue_not_empty[1]++;
5932
5933 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5934
5935 for (ntries = 0; ntries < 10; ntries++)
5936 {
5937 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5938 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5939 break;
5940
5941 DELAY(1);
5942 }
5943
5944 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5945 }
5946 }
5947
5948 /*
5949 * rt2860_drain_fifo_stats
5950 */
5951 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5952 {
5953 struct ifnet *ifp;
5954 uint32_t stats;
5955 uint8_t wcid, mcs, pid;
5956 int ok, agg, retrycnt;
5957
5958 ifp = sc->ifp;
5959
5960 /* drain Tx status FIFO (maxsize = 16) */
5961
5962 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5963 RT2860_REG_TX_STA_FIFO_VALID)
5964 {
5965 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5966 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5967
5968 /* if no ACK was requested, no feedback is available */
5969
5970 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
5971 continue;
5972
5973 /* update AMRR statistic */
5974
5975 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5976 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5977 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5978 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5979 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5980 RT2860_REG_TX_STA_FIFO_PID_MASK;
5981 retrycnt = pid - mcs;
5982
5983 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5984 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5985 device_get_nameunit(sc->dev),
5986 wcid, ok, agg, mcs, pid, retrycnt);
5987
5988 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5989
5990 if (!ok)
5991 ifp->if_oerrors++;
5992 }
5993 }
5994
5995 /*
5996 * rt2860_update_raw_counters
5997 */
5998 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5999 {
6000 uint32_t tmp;
6001
6002 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
6003
6004 sc->tx_nonagg += tmp & 0xffff;
6005 sc->tx_agg += tmp >> 16;
6006
6007 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
6008
6009 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
6010
6011 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
6012
6013 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
6014
6015 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
6016
6017 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
6018
6019 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
6020
6021 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6022
6023 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
6024
6025 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6026
6027 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
6028
6029 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6030
6031 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
6032
6033 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6034
6035 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
6036
6037 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6038
6039 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
6040
6041 sc->rx_crc_errors += tmp & 0xffff;
6042 sc->rx_phy_errors += tmp >> 16;
6043
6044 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
6045
6046 sc->rx_false_ccas += tmp & 0xffff;
6047 sc->rx_plcp_errors += tmp >> 16;
6048
6049 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
6050
6051 sc->rx_dup_packets += tmp & 0xffff;
6052 sc->rx_fifo_overflows += tmp >> 16;
6053
6054 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
6055
6056 sc->tx_mpdu_zero_density += tmp & 0xffff;
6057 sc->rx_mpdu_zero_density += tmp >> 16;
6058 }
6059
6060 /*
6061 * rt2860_intr_enable
6062 */
6063 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
6064 {
6065 uint32_t tmp;
6066
6067 sc->intr_disable_mask &= ~intr_mask;
6068
6069 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6070
6071 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6072 }
6073
6074 /*
6075 * rt2860_intr_disable
6076 */
6077 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
6078 {
6079 uint32_t tmp;
6080
6081 sc->intr_disable_mask |= intr_mask;
6082
6083 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6084
6085 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6086 }
6087
6088 /*
6089 * rt2860_txrx_enable
6090 */
6091 static int rt2860_txrx_enable(struct rt2860_softc *sc)
6092 {
6093 struct ieee80211com *ic;
6094 struct ifnet *ifp;
6095 uint32_t tmp;
6096 int ntries;
6097
6098 ifp = sc->ifp;
6099 ic = ifp->if_l2com;
6100
6101 /* enable Tx/Rx DMA engine */
6102
6103 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
6104
6105 for (ntries = 0; ntries < 200; ntries++)
6106 {
6107 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
6108 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
6109 break;
6110
6111 DELAY(1000);
6112 }
6113
6114 if (ntries == 200)
6115 {
6116 printf("%s: timeout waiting for DMA engine\n",
6117 device_get_nameunit(sc->dev));
6118 return -1;
6119 }
6120
6121 DELAY(50);
6122
6123 tmp |= RT2860_REG_TX_WB_DDONE |
6124 RT2860_REG_RX_DMA_ENABLE |
6125 RT2860_REG_TX_DMA_ENABLE |
6126 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
6127
6128 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6129
6130 /* set Rx filter */
6131
6132 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
6133 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
6134
6135 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6136 {
6137 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
6138 RT2860_REG_RX_FILTER_DROP_CTS |
6139 RT2860_REG_RX_FILTER_DROP_BA |
6140 RT2860_REG_RX_FILTER_DROP_ACK |
6141 RT2860_REG_RX_FILTER_DROP_VER_ERR |
6142 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
6143 RT2860_REG_RX_FILTER_DROP_CFACK |
6144 RT2860_REG_RX_FILTER_DROP_CFEND;
6145
6146 if (ic->ic_opmode == IEEE80211_M_STA)
6147 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
6148 RT2860_REG_RX_FILTER_DROP_PSPOLL;
6149
6150 if (!(ifp->if_flags & IFF_PROMISC))
6151 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
6152 }
6153
6154 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
6155
6156 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
6157 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
6158
6159 return 0;
6160 }
6161
6162 /*
6163 * rt2860_alloc_rx_ring
6164 */
6165 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
6166 struct rt2860_softc_rx_ring *ring)
6167 {
6168 struct rt2860_rxdesc *desc;
6169 struct rt2860_softc_rx_data *data;
6170 bus_dma_segment_t segs[1];
6171 int i, nsegs, error;
6172
6173 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6174 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6175 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
6176 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6177 0, NULL, NULL, &ring->desc_dma_tag);
6178 if (error != 0)
6179 {
6180 printf("%s: could not create Rx desc DMA tag\n",
6181 device_get_nameunit(sc->dev));
6182 goto fail;
6183 }
6184
6185 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6186 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6187 if (error != 0)
6188 {
6189 printf("%s: could not allocate Rx desc DMA memory\n",
6190 device_get_nameunit(sc->dev));
6191 goto fail;
6192 }
6193
6194 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6195 ring->desc,
6196 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6197 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6198 if (error != 0)
6199 {
6200 printf("%s: could not load Rx desc DMA map\n",
6201 device_get_nameunit(sc->dev));
6202 goto fail;
6203 }
6204
6205 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6206 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6207 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
6208 &ring->data_dma_tag);
6209 if (error != 0)
6210 {
6211 printf("%s: could not create Rx data DMA tag\n",
6212 device_get_nameunit(sc->dev));
6213 goto fail;
6214 }
6215
6216 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6217 {
6218 desc = &ring->desc[i];
6219 data = &ring->data[i];
6220
6221 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6222 if (error != 0)
6223 {
6224 printf("%s: could not create Rx data DMA map\n",
6225 device_get_nameunit(sc->dev));
6226 goto fail;
6227 }
6228
6229 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
6230 if (data->m == NULL)
6231 {
6232 printf("%s: could not allocate Rx mbuf\n",
6233 device_get_nameunit(sc->dev));
6234 error = ENOMEM;
6235 goto fail;
6236 }
6237
6238 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
6239
6240 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
6241 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
6242 if (error != 0)
6243 {
6244 printf("%s: could not load Rx mbuf DMA map\n",
6245 device_get_nameunit(sc->dev));
6246 goto fail;
6247 }
6248
6249 KASSERT(nsegs == 1, ("%s: too many DMA segments",
6250 device_get_nameunit(sc->dev)));
6251
6252 desc->sdp0 = htole32(segs[0].ds_addr);
6253 desc->sdl0 = htole16(MJUMPAGESIZE);
6254 }
6255
6256 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
6257 if (error != 0)
6258 {
6259 printf("%s: could not create Rx spare DMA map\n",
6260 device_get_nameunit(sc->dev));
6261 goto fail;
6262 }
6263
6264 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6265 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6266
6267 return 0;
6268
6269 fail:
6270
6271 rt2860_free_rx_ring(sc, ring);
6272
6273 return error;
6274 }
6275
6276 /*
6277 * rt2860_reset_rx_ring
6278 */
6279 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
6280 struct rt2860_softc_rx_ring *ring)
6281 {
6282 struct rt2860_rxdesc *desc;
6283 int i;
6284
6285 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6286 {
6287 desc = &ring->desc[i];
6288
6289 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
6290 }
6291
6292 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6293 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6294
6295 ring->cur = 0;
6296 }
6297
6298 /*
6299 * rt2860_free_rx_ring
6300 */
6301 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
6302 struct rt2860_softc_rx_ring *ring)
6303 {
6304 struct rt2860_softc_rx_data *data;
6305 int i;
6306
6307 if (ring->desc != NULL)
6308 {
6309 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6310 BUS_DMASYNC_POSTWRITE);
6311 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6312 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6313 ring->desc_dma_map);
6314 }
6315
6316 if (ring->desc_dma_tag != NULL)
6317 bus_dma_tag_destroy(ring->desc_dma_tag);
6318
6319 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6320 {
6321 data = &ring->data[i];
6322
6323 if (data->m != NULL)
6324 {
6325 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6326 BUS_DMASYNC_POSTREAD);
6327 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6328 m_freem(data->m);
6329 }
6330
6331 if (data->dma_map != NULL)
6332 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6333 }
6334
6335 if (ring->spare_dma_map != NULL)
6336 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6337
6338 if (ring->data_dma_tag != NULL)
6339 bus_dma_tag_destroy(ring->data_dma_tag);
6340 }
6341
6342 /*
6343 * rt2860_alloc_tx_ring
6344 */
6345 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6346 struct rt2860_softc_tx_ring *ring, int qid)
6347 {
6348 struct rt2860_softc_tx_data *data;
6349 int error, i;
6350
6351 mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF);
6352
6353 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6354 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6355 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6356 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6357 0, NULL, NULL, &ring->desc_dma_tag);
6358 if (error != 0)
6359 {
6360 printf("%s: could not create Tx desc DMA tag\n",
6361 device_get_nameunit(sc->dev));
6362 goto fail;
6363 }
6364
6365 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6366 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6367 if (error != 0)
6368 {
6369 printf("%s: could not allocate Tx desc DMA memory\n",
6370 device_get_nameunit(sc->dev));
6371 goto fail;
6372 }
6373
6374 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6375 ring->desc,
6376 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6377 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6378 if (error != 0)
6379 {
6380 printf("%s: could not load Tx desc DMA map\n",
6381 device_get_nameunit(sc->dev));
6382 goto fail;
6383 }
6384
6385 ring->desc_queued = 0;
6386 ring->desc_cur = 0;
6387 ring->desc_next = 0;
6388
6389 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6390 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6391 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6392 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6393 0, NULL, NULL, &ring->seg0_dma_tag);
6394 if (error != 0)
6395 {
6396 printf("%s: could not create Tx seg0 DMA tag\n",
6397 device_get_nameunit(sc->dev));
6398 goto fail;
6399 }
6400
6401 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6402 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6403 if (error != 0)
6404 {
6405 printf("%s: could not allocate Tx seg0 DMA memory\n",
6406 device_get_nameunit(sc->dev));
6407 goto fail;
6408 }
6409
6410 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6411 ring->seg0,
6412 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6413 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6414 if (error != 0)
6415 {
6416 printf("%s: could not load Tx seg0 DMA map\n",
6417 device_get_nameunit(sc->dev));
6418 goto fail;
6419 }
6420
6421 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6422 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6423 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6424 &ring->data_dma_tag);
6425 if (error != 0)
6426 {
6427 printf("%s: could not create Tx data DMA tag\n",
6428 device_get_nameunit(sc->dev));
6429 goto fail;
6430 }
6431
6432 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6433 {
6434 data = &ring->data[i];
6435
6436 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6437 if (error != 0)
6438 {
6439 printf("%s: could not create Tx data DMA map\n",
6440 device_get_nameunit(sc->dev));
6441 goto fail;
6442 }
6443 }
6444
6445 ring->data_queued = 0;
6446 ring->data_cur = 0;
6447 ring->data_next = 0;
6448
6449 ring->qid = qid;
6450
6451 return 0;
6452
6453 fail:
6454
6455 rt2860_free_tx_ring(sc, ring);
6456
6457 return error;
6458 }
6459
6460 /*
6461 * rt2860_reset_tx_ring
6462 */
6463 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6464 struct rt2860_softc_tx_ring *ring)
6465 {
6466 struct rt2860_softc_tx_data *data;
6467 struct rt2860_txdesc *desc;
6468 int i;
6469
6470 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6471 {
6472 desc = &ring->desc[i];
6473
6474 desc->sdl0 = 0;
6475 desc->sdl1 = 0;
6476 }
6477
6478 ring->desc_queued = 0;
6479 ring->desc_cur = 0;
6480 ring->desc_next = 0;
6481
6482 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6483 BUS_DMASYNC_PREWRITE);
6484
6485 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6486 BUS_DMASYNC_PREWRITE);
6487
6488 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6489 {
6490 data = &ring->data[i];
6491
6492 if (data->m != NULL)
6493 {
6494 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6495 BUS_DMASYNC_POSTWRITE);
6496 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6497 m_freem(data->m);
6498 data->m = NULL;
6499 }
6500
6501 if (data->ni != NULL)
6502 {
6503 ieee80211_free_node(data->ni);
6504 data->ni = NULL;
6505 }
6506 }
6507
6508 ring->data_queued = 0;
6509 ring->data_cur = 0;
6510 ring->data_next = 0;
6511 }
6512
6513 /*
6514 * rt2860_free_tx_ring
6515 */
6516 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6517 struct rt2860_softc_tx_ring *ring)
6518 {
6519 struct rt2860_softc_tx_data *data;
6520 int i;
6521
6522 if (ring->desc != NULL)
6523 {
6524 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6525 BUS_DMASYNC_POSTWRITE);
6526 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6527 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6528 ring->desc_dma_map);
6529 }
6530
6531 if (ring->desc_dma_tag != NULL)
6532 bus_dma_tag_destroy(ring->desc_dma_tag);
6533
6534 if (ring->seg0 != NULL)
6535 {
6536 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6537 BUS_DMASYNC_POSTWRITE);
6538 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6539 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6540 ring->seg0_dma_map);
6541 }
6542
6543 if (ring->seg0_dma_tag != NULL)
6544 bus_dma_tag_destroy(ring->seg0_dma_tag);
6545
6546 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6547 {
6548 data = &ring->data[i];
6549
6550 if (data->m != NULL)
6551 {
6552 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6553 BUS_DMASYNC_POSTWRITE);
6554 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6555 m_freem(data->m);
6556 }
6557
6558 if (data->ni != NULL)
6559 ieee80211_free_node(data->ni);
6560
6561 if (data->dma_map != NULL)
6562 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6563 }
6564
6565 if (ring->data_dma_tag != NULL)
6566 bus_dma_tag_destroy(ring->data_dma_tag);
6567
6568 mtx_destroy(&ring->lock);
6569 }
6570
6571 /*
6572 * rt2860_dma_map_addr
6573 */
6574 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6575 int nseg, int error)
6576 {
6577 if (error != 0)
6578 return;
6579
6580 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6581
6582 *(bus_addr_t *) arg = segs[0].ds_addr;
6583 }
6584
6585 /*
6586 * rt2860_sysctl_attach
6587 */
6588 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6589 {
6590 struct sysctl_ctx_list *ctx;
6591 struct sysctl_oid *tree;
6592 struct sysctl_oid *stats;
6593
6594 ctx = device_get_sysctl_ctx(sc->dev);
6595 tree = device_get_sysctl_tree(sc->dev);
6596
6597 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6598 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6599 "Tx STBC");
6600
6601 /* statistic counters */
6602
6603 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6604 "stats", CTLFLAG_RD, 0, "statistic");
6605
6606 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6607 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6608 "all interrupts");
6609
6610 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6611 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6612 "Tx coherent interrupts");
6613
6614 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6615 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6616 "Rx coherent interrupts");
6617
6618 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6619 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6620 "Tx/Rx coherent interrupts");
6621
6622 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6623 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6624 "FIFO statistic full interrupts");
6625
6626 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6627 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6628 "Rx interrupts");
6629
6630 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6631 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6632 "Rx delay interrupts");
6633
6634 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6635 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6636 "Tx MGMT interrupts");
6637
6638 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6639 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6640 "Tx HCCA interrupts");
6641
6642 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6643 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6644 "Tx AC3 interrupts");
6645
6646 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6647 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6648 "Tx AC2 interrupts");
6649
6650 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6651 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6652 "Tx AC1 interrupts");
6653
6654 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6655 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6656 "Tx AC0 interrupts");
6657
6658 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6659 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6660 "Tx delay interrupts");
6661
6662 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6663 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6664 "Pre-TBTT interrupts");
6665
6666 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6667 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6668 "TBTT interrupts");
6669
6670 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6671 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6672 "MCU command interrupts");
6673
6674 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6675 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6676 "auto wakeup interrupts");
6677
6678 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6679 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6680 "GP timer interrupts");
6681
6682 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6683 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6684 "Tx MGMT descriptors queued");
6685
6686 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6687 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6688 "Tx MGMT data queued");
6689
6690 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6691 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6692 "Tx HCCA descriptors queued");
6693
6694 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6695 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6696 "Tx HCCA data queued");
6697
6698 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6699 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6700 "Tx AC3 descriptors queued");
6701
6702 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6703 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6704 "Tx AC3 data queued");
6705
6706 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6707 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6708 "Tx AC2 descriptors queued");
6709
6710 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6711 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6712 "Tx AC2 data queued");
6713
6714 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6715 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6716 "Tx AC1 descriptors queued");
6717
6718 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6719 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6720 "Tx AC1 data queued");
6721
6722 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6723 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6724 "Tx AC0 descriptors queued");
6725
6726 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6727 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6728 "Tx AC0 data queued");
6729
6730 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6731 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6732 "Tx MGMT data queue full");
6733
6734 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6735 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6736 "Tx HCCA data queue full");
6737
6738 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6739 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6740 "Tx AC3 data queue full");
6741
6742 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6743 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6744 "Tx AC2 data queue full");
6745
6746 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6747 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6748 "Tx AC1 data queue full");
6749
6750 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6751 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6752 "Tx AC0 data queue full");
6753
6754 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6755 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6756 "Tx watchdog timeouts");
6757
6758 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6759 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6760 "Tx defragmented packets");
6761
6762 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6763 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6764 "no Tx descriptors available");
6765
6766 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6767 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6768 "Rx mbuf allocation errors");
6769
6770 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6771 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6772 "Rx mbuf DMA mapping errors");
6773
6774 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6775 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6776 "Tx queue 0 not empty");
6777
6778 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6779 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6780 "Tx queue 1 not empty");
6781
6782 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6783 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6784 "Tx beacons");
6785
6786 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6787 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6788 "Tx successfull without retries");
6789
6790 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6791 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6792 "Tx successfull with retries");
6793
6794 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6795 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6796 "Tx failed");
6797
6798 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6799 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6800 "Tx underflows");
6801
6802 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6803 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6804 "Tx zero length");
6805
6806 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6807 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6808 "Tx non-aggregated");
6809
6810 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6811 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6812 "Tx aggregated");
6813
6814 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6815 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6816 "Tx A-MPDU");
6817
6818 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6819 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6820 "Tx MPDU with zero density");
6821
6822 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6823 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6824 "Tx A-MPDU sessions");
6825
6826 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6827 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6828 "Rx packets");
6829
6830 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6831 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6832 "Rx A-MPDU");
6833
6834 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6835 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6836 "Rx MPDU with zero density");
6837
6838 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6839 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6840 "Rx A-MSDU");
6841
6842 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6843 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6844 "Rx CRC errors");
6845
6846 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6847 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6848 "Rx PHY errors");
6849
6850 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6851 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6852 "Rx false CCAs");
6853
6854 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6855 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6856 "Rx PLCP errors");
6857
6858 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6859 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6860 "Rx duplicate packets");
6861
6862 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6863 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6864 "Rx FIFO overflows");
6865
6866 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6867 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6868 "Rx cipher no errors");
6869
6870 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6871 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6872 "Rx cipher ICV errors");
6873
6874 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6875 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6876 "Rx cipher MIC errors");
6877
6878 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6879 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6880 "Rx cipher invalid key errors");
6881 }
6882
6883 static device_method_t rt2860_dev_methods[] =
6884 {
6885 DEVMETHOD(device_probe, rt2860_probe),
6886 DEVMETHOD(device_attach, rt2860_attach),
6887 DEVMETHOD(device_detach, rt2860_detach),
6888 DEVMETHOD(device_shutdown, rt2860_shutdown),
6889 DEVMETHOD(device_suspend, rt2860_suspend),
6890 DEVMETHOD(device_resume, rt2860_resume),
6891 { 0, 0 }
6892 };
6893
6894 static driver_t rt2860_driver =
6895 {
6896 "rt2860",
6897 rt2860_dev_methods,
6898 sizeof(struct rt2860_softc)
6899 };
6900
6901 static devclass_t rt2860_dev_class;
6902
6903 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6904
6905 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6906 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860