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Added a new debugging message for AMRR statistic; Fixed a problem with Tx queue full...
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blob43a34426731161ed7b7d436fda2ec0ea471a8692
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_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22)
51
52 #define RT2860_ACK_SIZE 14
53
54 #define IEEE80211_HAS_ADDR4(wh) \
55 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
56
57 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
58 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
59
60 #define RT2860_TX_WATCHDOG_TIMEOUT 5
61
62 /*
63 * Data structures and types
64 */
65
66 struct rt2860_pci_ident
67 {
68 uint16_t vendor;
69 uint16_t device;
70 const char *name;
71 };
72
73 /*
74 * Static function prototypes
75 */
76
77 static int rt2860_probe(device_t dev);
78
79 static int rt2860_attach(device_t dev);
80
81 static int rt2860_detach(device_t dev);
82
83 static int rt2860_shutdown(device_t dev);
84
85 static int rt2860_suspend(device_t dev);
86
87 static int rt2860_resume(device_t dev);
88
89 static void rt2860_init_channels(struct rt2860_softc *sc);
90
91 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
92
93 static void rt2860_init_locked(void *priv);
94
95 static void rt2860_init(void *priv);
96
97 static int rt2860_init_bbp(struct rt2860_softc *sc);
98
99 static void rt2860_stop_locked(void *priv);
100
101 static void rt2860_stop(void *priv);
102
103 static void rt2860_start(struct ifnet *ifp);
104
105 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
106
107 static int rt2860_reset(struct ifnet *ifp);
108
109 static int rt2860_newstate(struct ieee80211com *ic,
110 enum ieee80211_state nstate, int arg);
111
112 static void rt2860_scan_start(struct ieee80211com *ic);
113
114 static void rt2860_scan_end(struct ieee80211com *ic);
115
116 static void rt2860_set_channel(struct ieee80211com *ic);
117
118 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
119
120 static void rt2860_updateslot(struct ifnet *ifp);
121
122 static int rt2860_wme_update(struct ieee80211com *ic);
123
124 static void rt2860_update_beacon(struct ieee80211com *ic, int what);
125
126 static void rt2860_key_update_begin(struct ieee80211com *ic);
127
128 static void rt2860_key_update_end(struct ieee80211com *ic);
129
130 static int rt2860_key_set(struct ieee80211com *ic,
131 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
132
133 static int rt2860_key_delete(struct ieee80211com *ic,
134 const struct ieee80211_key *k);
135
136 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
137 const struct ieee80211_bpf_params *params);
138
139 static int rt2860_media_change(struct ifnet *ifp);
140
141 static void rt2860_recv_action(struct ieee80211_node *ni,
142 const uint8_t *frm, const uint8_t *efrm);
143
144 static int rt2860_send_action(struct ieee80211_node *ni,
145 int category, int action, uint16_t args[4]);
146
147 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
148
149 static void rt2860_periodic(void *arg);
150
151 static void rt2860_tx_watchdog(void *arg);
152
153 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
154 const uint8_t *bssid);
155
156 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
157 const uint8_t *addr);
158
159 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
160
161 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
162
163 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
164
165 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
166
167 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
168
169 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
170
171 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
172
173 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
174
175 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
176
177 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
178
179 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
180
181 static int rt2860_asic_update_beacon(struct rt2860_softc *sc);
182
183 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
184
185 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
186
187 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
188 const struct rt2860_rxwi *rxwi);
189
190 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
191 uint8_t rssi, uint8_t rxpath);
192
193 static uint8_t rt2860_rate2mcs(uint8_t rate);
194
195 static int rt2860_ackrate(struct ieee80211com *ic, int rate);
196
197 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags);
198
199 static int rt2860_tx_frame(struct rt2860_softc *sc,
200 struct mbuf *m, struct ieee80211_node *ni, int qid);
201
202 static int rt2860_tx_raw(struct rt2860_softc *sc,
203 struct mbuf *m, struct ieee80211_node *ni,
204 const struct ieee80211_bpf_params *params);
205
206 static void rt2860_intr(void *arg);
207
208 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
209
210 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
211
212 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
213
214 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
215
216 static void rt2860_rx_intr(struct rt2860_softc *sc);
217
218 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
219
220 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
221
222 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
223
224 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
225
226 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
227
228 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
229
230 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
231
232 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
233
234 static void rt2860_rx_done_task(void *context, int pending);
235
236 static void rt2860_tx_done_task(void *context, int pending);
237
238 static void rt2860_fifo_sta_full_task(void *context, int pending);
239
240 static void rt2860_periodic_task(void *context, int pending);
241
242 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
243
244 static void rt2860_tx_eof(struct rt2860_softc *sc,
245 struct rt2860_softc_tx_ring *ring);
246
247 static void rt2860_update_stats(struct rt2860_softc *sc);
248
249 static void rt2860_watchdog(struct rt2860_softc *sc);
250
251 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
252
253 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
254
255 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
256
257 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
258
259 static int rt2860_txrx_enable(struct rt2860_softc *sc);
260
261 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
262 struct rt2860_softc_rx_ring *ring);
263
264 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
265 struct rt2860_softc_rx_ring *ring);
266
267 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
268 struct rt2860_softc_rx_ring *ring);
269
270 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
271 struct rt2860_softc_tx_ring *ring, int qid);
272
273 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
274 struct rt2860_softc_tx_ring *ring);
275
276 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
277 struct rt2860_softc_tx_ring *ring);
278
279 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
280 int nseg, int error);
281
282 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
283
284 /*
285 * Static variables
286 */
287
288 static const struct rt2860_pci_ident rt2860_pci_ids[] =
289 {
290 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
291 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
292 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
293 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
294 { 0, 0, NULL }
295 };
296
297 static const struct
298 {
299 uint32_t reg;
300 uint32_t val;
301 } rt2860_def_mac[] =
302 {
303 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
304 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
305 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
306 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
307 { RT2860_REG_SYS_CTRL, 0x00000000 },
308 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
309 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
310 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
311 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
312 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
313 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
314 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
315 { RT2860_REG_LED_CFG, 0x7f031e46 },
316 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
317 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
318 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
319 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
320 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
321 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
322 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
323 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
324 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
325 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
326 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
327 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
328 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
329 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
330 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
331 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
332 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
333 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
334 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
335 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
336 };
337
338 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
339
340 static const struct
341 {
342 uint8_t reg;
343 uint8_t val;
344 } rt2860_def_bbp[] =
345 {
346 { 65, 0x2c },
347 { 66, 0x38 },
348 { 69, 0x12 },
349 { 70, 0x0a },
350 { 73, 0x10 },
351 { 81, 0x37 },
352 { 82, 0x62 },
353 { 83, 0x6a },
354 { 84, 0x99 },
355 { 86, 0x00 },
356 { 91, 0x04 },
357 { 92, 0x00 },
358 { 103, 0x00 },
359 { 105, 0x05 },
360 { 106, 0x35 },
361 };
362
363 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
364
365 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
366
367 #ifdef RT2860_DEBUG
368 static int rt2860_debug = 0;
369 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
370 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
371 #endif
372
373 /*
374 * rt2860_probe
375 */
376 static int rt2860_probe(device_t dev)
377 {
378 const struct rt2860_pci_ident *ident;
379
380 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
381 {
382 if (pci_get_vendor(dev) == ident->vendor &&
383 pci_get_device(dev) == ident->device)
384 {
385 device_set_desc(dev, ident->name);
386 return 0;
387 }
388 }
389
390 return ENXIO;
391 }
392
393 /*
394 * rt2860_attach
395 */
396 static int rt2860_attach(device_t dev)
397 {
398 struct rt2860_softc *sc;
399 struct ifnet *ifp;
400 struct ieee80211com *ic;
401 int error, ntries, i;
402
403 sc = device_get_softc(dev);
404
405 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
406 {
407 printf("%s: chip is in D%d power mode, setting to D0\n",
408 device_get_nameunit(dev), pci_get_powerstate(dev));
409 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
410 }
411
412 /* enable bus-mastering */
413
414 pci_enable_busmaster(dev);
415
416 sc->dev = dev;
417
418 mtx_init(&sc->lock, device_get_nameunit(dev),
419 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
420
421 sc->mem_rid = PCIR_BAR(0);
422 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
423 &sc->mem_rid, RF_ACTIVE);
424 if (sc->mem == NULL)
425 {
426 printf("%s: could not allocate memory resource\n",
427 device_get_nameunit(dev));
428 error = ENXIO;
429 goto fail;
430 }
431
432 sc->bst = rman_get_bustag(sc->mem);
433 sc->bsh = rman_get_bushandle(sc->mem);
434
435 sc->irq_rid = 0;
436 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
437 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
438 if (sc->irq == NULL)
439 {
440 printf("%s: could not allocate interrupt resource\n",
441 device_get_nameunit(dev));
442 error = ENXIO;
443 goto fail;
444 }
445
446 #ifdef RT2860_DEBUG
447 sc->debug = rt2860_debug;
448
449 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
450 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
451 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
452 #endif
453
454 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
455 "%s: attaching\n",
456 device_get_nameunit(sc->dev));
457
458 /* wait for NIC to initialize */
459
460 for (ntries = 0; ntries < 100; ntries++)
461 {
462 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
463 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
464 break;
465
466 DELAY(10);
467 }
468
469 if (ntries == 100)
470 {
471 printf("%s: timeout waiting for NIC to initialize\n",
472 device_get_nameunit(dev));
473 error = EIO;
474 goto fail;
475 }
476
477 rt2860_read_eeprom(sc);
478
479 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
480 device_get_nameunit(sc->dev), sc->mac_rev,
481 rt2860_rf_name(sc->rf_rev));
482
483 /* allocate Tx and Rx rings */
484
485 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
486 {
487 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
488 if (error != 0)
489 {
490 printf("%s: could not allocate Tx ring #%d\n",
491 device_get_nameunit(sc->dev), i);
492 goto fail;
493 }
494 }
495
496 sc->tx_ring_mgtqid = 5;
497
498 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
499 if (error != 0)
500 {
501 printf("%s: could not allocate Rx ring\n",
502 device_get_nameunit(sc->dev));
503 goto fail;
504 }
505
506 callout_init(&sc->periodic_ch, 0);
507 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
508
509 ifp = sc->ifp = if_alloc(IFT_ETHER);
510 if (ifp == NULL)
511 {
512 printf("%s: could not if_alloc()\n",
513 device_get_nameunit(sc->dev));
514 error = ENOMEM;
515 goto fail;
516 }
517
518 ifp->if_softc = sc;
519
520 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
521
522 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
523
524 ifp->if_init = rt2860_init;
525 ifp->if_ioctl = rt2860_ioctl;
526 ifp->if_start = rt2860_start;
527
528 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
529 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
530 IFQ_SET_READY(&ifp->if_snd);
531
532 ic = &sc->ic;
533
534 ic->ic_ifp = ifp;
535
536 ic->ic_phytype = IEEE80211_T_HT;
537 ic->ic_opmode = IEEE80211_M_STA;
538 ic->ic_state = IEEE80211_S_INIT;
539
540 ic->ic_caps = IEEE80211_C_MONITOR |
541 IEEE80211_C_IBSS |
542 IEEE80211_C_AHDEMO |
543 IEEE80211_C_HOSTAP |
544 IEEE80211_C_WDS |
545 /* IEEE80211_C_BGSCAN | */
546 IEEE80211_C_TXPMGT |
547 IEEE80211_C_SHPREAMBLE |
548 IEEE80211_C_SHSLOT |
549 IEEE80211_C_TXFRAG |
550 IEEE80211_C_BURST |
551 IEEE80211_C_WME |
552 IEEE80211_C_WEP |
553 IEEE80211_C_TKIP |
554 IEEE80211_C_AES_CCM |
555 IEEE80211_C_WPA;
556
557 ic->ic_htcaps = IEEE80211_HTC_HT |
558 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
559 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
560 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
561 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
562 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
563 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
564 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
565
566 /* spatial streams */
567
568 if (sc->nrxpath == 2)
569 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
570 else if (sc->nrxpath == 3)
571 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
572 else
573 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
574
575 if (sc->ntxpath > 1)
576 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
577
578 /* delayed BA */
579
580 if (sc->mac_rev != 0x28600100)
581 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
582
583 /* init channels */
584
585 ic->ic_nchans = 0;
586 ic->ic_regdomain = 0;
587 ic->ic_countrycode = CTRY_DEFAULT;
588 ic->ic_location = 0;
589
590 rt2860_init_channels(sc);
591
592 rt2860_init_channels_ht40(sc);
593
594 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
595
596 ieee80211_ifattach(ic);
597
598 sc->newstate = ic->ic_newstate;
599 ic->ic_newstate = rt2860_newstate;
600
601 ic->ic_reset = rt2860_reset;
602 ic->ic_scan_start = rt2860_scan_start;
603 ic->ic_scan_end = rt2860_scan_end;
604 ic->ic_set_channel = rt2860_set_channel;
605 ic->ic_newassoc = rt2860_newassoc;
606 ic->ic_updateslot = rt2860_updateslot;
607 ic->ic_wme.wme_update = rt2860_wme_update;
608 ic->ic_update_beacon = rt2860_update_beacon;
609 ic->ic_crypto.cs_key_update_begin = rt2860_key_update_begin;
610 ic->ic_crypto.cs_key_update_end = rt2860_key_update_end;
611 ic->ic_crypto.cs_key_set = rt2860_key_set;
612 ic->ic_crypto.cs_key_delete = rt2860_key_delete;
613 ic->ic_raw_xmit = rt2860_raw_xmit;
614
615 sc->recv_action = ic->ic_recv_action;
616 ic->ic_recv_action = rt2860_recv_action;
617
618 sc->send_action = ic->ic_send_action;
619 ic->ic_send_action = rt2860_send_action;
620
621 /* hardware requires padding between 802.11 frame header and body */
622
623 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
624
625 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
626
627 ieee80211_media_init(ic, rt2860_media_change, ieee80211_media_status);
628
629 rt2860_amrr_init(&sc->amrr, ic,
630 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
631 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
632 500);
633
634 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
635 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
636 &sc->drvbpf);
637
638 sc->rxtap_len = sizeof(sc->rxtapu);
639 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
640 sc->rxtap.ihdr.it_present = htole32(RT2860_SOFTC_RX_RADIOTAP_PRESENT);
641
642 sc->txtap_len = sizeof(sc->txtapu);
643 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
644 sc->txtap.ihdr.it_present = htole32(RT2860_SOFTC_TX_RADIOTAP_PRESENT);
645
646 /* init task queue */
647
648 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
649 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
650 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
651 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
652
653 sc->rx_process_limit = 100;
654
655 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
656 taskqueue_thread_enqueue, &sc->taskqueue);
657
658 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
659 device_get_nameunit(sc->dev));
660
661 rt2860_sysctl_attach(sc);
662
663 if (bootverbose)
664 ieee80211_announce(ic);
665
666 /* set up interrupt */
667
668 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
669 NULL, rt2860_intr, sc, &sc->irqh);
670 if (error != 0)
671 {
672 printf("%s: could not set up interrupt\n",
673 device_get_nameunit(dev));
674 goto fail;
675 }
676
677 return 0;
678
679 fail:
680
681 /* free Tx and Rx rings */
682
683 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
684 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
685
686 rt2860_free_rx_ring(sc, &sc->rx_ring);
687
688 mtx_destroy(&sc->lock);
689
690 if (sc->mem != NULL)
691 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
692
693 if (sc->irq != NULL)
694 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
695
696 return error;
697 }
698
699 /*
700 * rt2860_detach
701 */
702 static int rt2860_detach(device_t dev)
703 {
704 struct rt2860_softc *sc;
705 struct ieee80211com *ic;
706 struct ifnet *ifp;
707 int i;
708
709 sc = device_get_softc(dev);
710 ic = &sc->ic;
711 ifp = ic->ic_ifp;
712
713 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
714 "%s: detaching\n",
715 device_get_nameunit(sc->dev));
716
717 RT2860_SOFTC_LOCK(sc);
718
719 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
720
721 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
722
723 callout_stop(&sc->periodic_ch);
724 callout_stop(&sc->tx_watchdog_ch);
725
726 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
727 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
728 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
729 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
730
731 /* free Tx and Rx rings */
732
733 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
734 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
735
736 rt2860_free_rx_ring(sc, &sc->rx_ring);
737
738 RT2860_SOFTC_UNLOCK(sc);
739
740 bpfdetach(ifp);
741
742 ieee80211_ifdetach(ic);
743
744 if_free(ifp);
745
746 taskqueue_free(sc->taskqueue);
747
748 mtx_destroy(&sc->lock);
749
750 bus_generic_detach(dev);
751
752 bus_teardown_intr(dev, sc->irq, sc->irqh);
753
754 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
755
756 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
757
758 return 0;
759 }
760
761 /*
762 * rt2860_shutdown
763 */
764 static int rt2860_shutdown(device_t dev)
765 {
766 struct rt2860_softc *sc;
767
768 sc = device_get_softc(dev);
769
770 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
771 "%s: shutting down\n",
772 device_get_nameunit(sc->dev));
773
774 rt2860_stop(sc);
775
776 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
777
778 return 0;
779 }
780
781 /*
782 * rt2860_suspend
783 */
784 static int rt2860_suspend(device_t dev)
785 {
786 struct rt2860_softc *sc;
787
788 sc = device_get_softc(dev);
789
790 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
791 "%s: suspending\n",
792 device_get_nameunit(sc->dev));
793
794 rt2860_stop(sc);
795
796 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
797
798 return 0;
799 }
800
801 /*
802 * rt2860_resume
803 */
804 static int rt2860_resume(device_t dev)
805 {
806 struct rt2860_softc *sc;
807 struct ifnet *ifp;
808
809 sc = device_get_softc(dev);
810 ifp = sc->ifp;
811
812 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
813 "%s: resuming\n",
814 device_get_nameunit(sc->dev));
815
816 if (ifp->if_flags & IFF_UP)
817 rt2860_init(sc);
818
819 return 0;
820 }
821
822 /*
823 * rt2860_init_channels
824 */
825 static void rt2860_init_channels(struct rt2860_softc *sc)
826 {
827 struct ieee80211com *ic;
828 struct ieee80211_channel *c;
829 int i, flags;
830
831 ic = &sc->ic;
832
833 /* set supported channels for 2GHz band */
834
835 for (i = 1; i <= 14; i++)
836 {
837 c = &ic->ic_channels[ic->ic_nchans++];
838 flags = IEEE80211_CHAN_B;
839
840 c->ic_freq = ieee80211_ieee2mhz(i, flags);
841 c->ic_ieee = i;
842 c->ic_flags = flags;
843
844 c = &ic->ic_channels[ic->ic_nchans++];
845 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
846
847 c->ic_freq = ieee80211_ieee2mhz(i, flags);
848 c->ic_ieee = i;
849 c->ic_flags = flags;
850
851 c = &ic->ic_channels[ic->ic_nchans++];
852 flags = IEEE80211_CHAN_G;
853
854 c->ic_freq = ieee80211_ieee2mhz(i, flags);
855 c->ic_ieee = i;
856 c->ic_flags = flags;
857
858 c = &ic->ic_channels[ic->ic_nchans++];
859 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
860
861 c->ic_freq = ieee80211_ieee2mhz(i, flags);
862 c->ic_ieee = i;
863 c->ic_flags = flags;
864 }
865
866 /* set supported channels for 5GHz band */
867
868 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
869 sc->rf_rev == RT2860_EEPROM_RF_2750)
870 {
871 for (i = 36; i <= 64; i += 4)
872 {
873 c = &ic->ic_channels[ic->ic_nchans++];
874 flags = IEEE80211_CHAN_A;
875
876 c->ic_freq = ieee80211_ieee2mhz(i, flags);
877 c->ic_ieee = i;
878 c->ic_flags = flags;
879
880 c = &ic->ic_channels[ic->ic_nchans++];
881 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
882
883 c->ic_freq = ieee80211_ieee2mhz(i, flags);
884 c->ic_ieee = i;
885 c->ic_flags = flags;
886 }
887
888 for (i = 100; i <= 140; i += 4)
889 {
890 c = &ic->ic_channels[ic->ic_nchans++];
891 flags = IEEE80211_CHAN_A;
892
893 c->ic_freq = ieee80211_ieee2mhz(i, flags);
894 c->ic_ieee = i;
895 c->ic_flags = flags;
896
897 c = &ic->ic_channels[ic->ic_nchans++];
898 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
899
900 c->ic_freq = ieee80211_ieee2mhz(i, flags);
901 c->ic_ieee = i;
902 c->ic_flags = flags;
903 }
904
905 for (i = 149; i <= 165; 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 }
923
924 /*
925 * rt2860_init_channels_ht40
926 */
927 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
928 {
929 struct ieee80211com *ic;
930 struct ieee80211_channel *c, *cent, *ext;
931 int i, flags;
932
933 ic = &sc->ic;
934
935 /* set supported channels for 2GHz band */
936
937 for (i = 1; i <= 14; i++)
938 {
939 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
940
941 /* find the center channel */
942
943 cent = ieee80211_find_channel_byieee(ic, i,
944 flags & ~IEEE80211_CHAN_HT);
945 if (cent == NULL)
946 {
947 printf("%s: skip channel %d, could not find center channel\n",
948 device_get_nameunit(sc->dev), i);
949 continue;
950 }
951
952 /* find the extension channel */
953
954 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
955 flags & ~IEEE80211_CHAN_HT);
956 if (ext == NULL)
957 {
958 printf("%s: skip channel %d, could not find extension channel\n",
959 device_get_nameunit(sc->dev), i);
960 continue;
961 }
962
963 c = &ic->ic_channels[ic->ic_nchans++];
964
965 *c = *cent;
966 c->ic_extieee = ext->ic_ieee;
967 c->ic_flags &= ~IEEE80211_CHAN_HT;
968 c->ic_flags |= IEEE80211_CHAN_HT40U;
969
970 c = &ic->ic_channels[ic->ic_nchans++];
971
972 *c = *ext;
973 c->ic_extieee = cent->ic_ieee;
974 c->ic_flags &= ~IEEE80211_CHAN_HT;
975 c->ic_flags |= IEEE80211_CHAN_HT40D;
976 }
977
978 /* set supported channels for 5GHz band */
979
980 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
981 sc->rf_rev == RT2860_EEPROM_RF_2750)
982 {
983 for (i = 36; i <= 64; i += 4)
984 {
985 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
986
987 /* find the center channel */
988
989 cent = ieee80211_find_channel_byieee(ic, i,
990 flags & ~IEEE80211_CHAN_HT);
991 if (cent == NULL)
992 {
993 printf("%s: skip channel %d, could not find center channel\n",
994 device_get_nameunit(sc->dev), i);
995 continue;
996 }
997
998 /* find the extension channel */
999
1000 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1001 flags & ~IEEE80211_CHAN_HT);
1002 if (ext == NULL)
1003 {
1004 printf("%s: skip channel %d, could not find extension channel\n",
1005 device_get_nameunit(sc->dev), i);
1006 continue;
1007 }
1008
1009 c = &ic->ic_channels[ic->ic_nchans++];
1010
1011 *c = *cent;
1012 c->ic_extieee = ext->ic_ieee;
1013 c->ic_flags &= ~IEEE80211_CHAN_HT;
1014 c->ic_flags |= IEEE80211_CHAN_HT40U;
1015
1016 c = &ic->ic_channels[ic->ic_nchans++];
1017
1018 *c = *ext;
1019 c->ic_extieee = cent->ic_ieee;
1020 c->ic_flags &= ~IEEE80211_CHAN_HT;
1021 c->ic_flags |= IEEE80211_CHAN_HT40D;
1022 }
1023
1024 for (i = 100; i <= 140; i += 4)
1025 {
1026 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1027
1028 /* find the center channel */
1029
1030 cent = ieee80211_find_channel_byieee(ic, i,
1031 flags & ~IEEE80211_CHAN_HT);
1032 if (cent == NULL)
1033 {
1034 printf("%s: skip channel %d, could not find center channel\n",
1035 device_get_nameunit(sc->dev), i);
1036 continue;
1037 }
1038
1039 /* find the extension channel */
1040
1041 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1042 flags & ~IEEE80211_CHAN_HT);
1043 if (ext == NULL)
1044 {
1045 printf("%s: skip channel %d, could not find extension channel\n",
1046 device_get_nameunit(sc->dev), i);
1047 continue;
1048 }
1049
1050 c = &ic->ic_channels[ic->ic_nchans++];
1051
1052 *c = *cent;
1053 c->ic_extieee = ext->ic_ieee;
1054 c->ic_flags &= ~IEEE80211_CHAN_HT;
1055 c->ic_flags |= IEEE80211_CHAN_HT40U;
1056
1057 c = &ic->ic_channels[ic->ic_nchans++];
1058
1059 *c = *ext;
1060 c->ic_extieee = cent->ic_ieee;
1061 c->ic_flags &= ~IEEE80211_CHAN_HT;
1062 c->ic_flags |= IEEE80211_CHAN_HT40D;
1063 }
1064
1065 for (i = 149; i <= 165; i += 4)
1066 {
1067 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1068
1069 /* find the center channel */
1070
1071 cent = ieee80211_find_channel_byieee(ic, i,
1072 flags & ~IEEE80211_CHAN_HT);
1073 if (cent == NULL)
1074 {
1075 printf("%s: skip channel %d, could not find center channel\n",
1076 device_get_nameunit(sc->dev), i);
1077 continue;
1078 }
1079
1080 /* find the extension channel */
1081
1082 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1083 flags & ~IEEE80211_CHAN_HT);
1084 if (ext == NULL)
1085 {
1086 printf("%s: skip channel %d, could not find extension channel\n",
1087 device_get_nameunit(sc->dev), i);
1088 continue;
1089 }
1090
1091 c = &ic->ic_channels[ic->ic_nchans++];
1092
1093 *c = *cent;
1094 c->ic_extieee = ext->ic_ieee;
1095 c->ic_flags &= ~IEEE80211_CHAN_HT;
1096 c->ic_flags |= IEEE80211_CHAN_HT40U;
1097
1098 c = &ic->ic_channels[ic->ic_nchans++];
1099
1100 *c = *ext;
1101 c->ic_extieee = cent->ic_ieee;
1102 c->ic_flags &= ~IEEE80211_CHAN_HT;
1103 c->ic_flags |= IEEE80211_CHAN_HT40D;
1104 }
1105 }
1106 }
1107
1108 /*
1109 * rt2860_init_locked
1110 */
1111 static void rt2860_init_locked(void *priv)
1112 {
1113 struct rt2860_softc *sc;
1114 struct ieee80211com *ic;
1115 struct ifnet *ifp;
1116 int error, i, ntries;
1117 uint32_t tmp, stacnt[6];
1118
1119 sc = priv;
1120 ic = &sc->ic;
1121 ifp = ic->ic_ifp;
1122
1123 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1124 "%s: initializing\n",
1125 device_get_nameunit(sc->dev));
1126
1127 RT2860_SOFTC_ASSERT_LOCKED(sc);
1128
1129 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1130 {
1131 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1132 "%s: loading 8051 microcode\n",
1133 device_get_nameunit(sc->dev));
1134
1135 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1136 if (error != 0)
1137 {
1138 printf("%s: could not load 8051 microcode\n",
1139 device_get_nameunit(sc->dev));
1140 goto fail;
1141 }
1142
1143 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1144 "%s: 8051 microcode was successfully loaded\n",
1145 device_get_nameunit(sc->dev));
1146
1147 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1148 }
1149
1150 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1151
1152 /* disable DMA engine */
1153
1154 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1155
1156 tmp &= 0xff0;
1157 tmp |= RT2860_REG_TX_WB_DDONE;
1158
1159 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1160
1161 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1162
1163 /* PBF hardware reset */
1164
1165 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1166 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1167
1168 /* wait while DMA engine is busy */
1169
1170 for (ntries = 0; ntries < 100; ntries++)
1171 {
1172 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1173 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1174 break;
1175
1176 DELAY(1000);
1177 }
1178
1179 if (ntries == 100)
1180 {
1181 printf("%s: timeout waiting for DMA engine\n",
1182 device_get_nameunit(sc->dev));
1183 goto fail;
1184 }
1185
1186 tmp &= 0xff0;
1187 tmp |= RT2860_REG_TX_WB_DDONE;
1188
1189 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1190
1191 /* reset Rx and Tx rings */
1192
1193 tmp = RT2860_REG_RST_IDX_RX |
1194 RT2860_REG_RST_IDX_TX_MGMT |
1195 RT2860_REG_RST_IDX_TX_HCCA |
1196 RT2860_REG_RST_IDX_TX_AC3 |
1197 RT2860_REG_RST_IDX_TX_AC2 |
1198 RT2860_REG_RST_IDX_TX_AC1 |
1199 RT2860_REG_RST_IDX_TX_AC0;
1200
1201 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1202
1203 /* PBF hardware reset */
1204
1205 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1206 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1209
1210 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1211 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1212 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1213
1214 /* init Tx power per rate */
1215
1216 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1217 {
1218 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1219 continue;
1220
1221 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1222 sc->txpow_rate_20mhz[i]);
1223 }
1224
1225 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1226 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1227 rt2860_def_mac[i].val);
1228
1229 /* wait while MAC is busy */
1230
1231 for (ntries = 0; ntries < 100; ntries++)
1232 {
1233 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1234 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1235 break;
1236
1237 DELAY(1000);
1238 }
1239
1240 if (ntries == 100)
1241 {
1242 printf("%s: timeout waiting for MAC\n",
1243 device_get_nameunit(sc->dev));
1244 goto fail;
1245 }
1246
1247 /* clear Host to MCU mailbox */
1248
1249 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1250 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1251
1252 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1253 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1254
1255 DELAY(1000);
1256
1257 error = rt2860_init_bbp(sc);
1258 if (error != 0)
1259 goto fail;
1260
1261 /* set up maximum buffer sizes */
1262
1263 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1264
1265 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1266
1267 /* set mac address */
1268
1269 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1270
1271 rt2860_asic_set_macaddr(sc, ic->ic_myaddr);
1272
1273 /* clear statistic registers */
1274
1275 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1276 stacnt, sizeof(stacnt));
1277
1278 /* set RTS threshold */
1279
1280 rt2860_asic_update_rtsthreshold(sc);
1281
1282 /* set Tx power */
1283
1284 rt2860_asic_update_txpower(sc);
1285
1286 /* set up protection mode */
1287
1288 rt2860_asic_updateprot(sc);
1289
1290 /* clear key tables */
1291
1292 rt2860_asic_clear_keytables(sc);
1293
1294 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1295
1296 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1297 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1298
1299 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1300 {
1301 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1302 sc->tx_ring[i].desc_phys_addr);
1303 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1304 RT2860_SOFTC_TX_RING_DESC_COUNT);
1305 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1306 }
1307
1308 /* init Rx ring */
1309
1310 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1311
1312 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1313 sc->rx_ring.desc_phys_addr);
1314 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1315 RT2860_SOFTC_RX_RING_DATA_COUNT);
1316 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1317 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1318
1319 /* wait while DMA engine is busy */
1320
1321 for (ntries = 0; ntries < 100; ntries++)
1322 {
1323 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1324 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1325 break;
1326
1327 DELAY(1000);
1328 }
1329
1330 if (ntries == 100)
1331 {
1332 printf("%s: timeout waiting for DMA engine\n",
1333 device_get_nameunit(sc->dev));
1334 goto fail;
1335 }
1336
1337 tmp &= 0xff0;
1338 tmp |= RT2860_REG_TX_WB_DDONE;
1339
1340 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1341
1342 /* disable interrupts mitigation */
1343
1344 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1345
1346 /* send LEDs operating mode to microcontroller */
1347
1348 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1349 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1350 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1351 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1352 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1353 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1354
1355 /* turn radio LED on */
1356
1357 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1358
1359 /* write vendor-specific BBP values (from EEPROM) */
1360
1361 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1362 {
1363 if (sc->bbp_eeprom[i].reg == 0x00 ||
1364 sc->bbp_eeprom[i].reg == 0xff)
1365 continue;
1366
1367 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1368 sc->bbp_eeprom[i].val);
1369 }
1370
1371 /*
1372 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1373 if (tmp & (1 << 2))
1374 {
1375 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1376 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1377 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1378
1379 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1380 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1381 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1382 }
1383 */
1384
1385 /* disable non-existing Rx chains */
1386
1387 tmp = rt2860_io_bbp_read(sc, 3);
1388
1389 tmp &= ~((1 << 4) | (1 << 3));
1390
1391 if (sc->nrxpath == 3)
1392 tmp |= (1 << 4);
1393 else if (sc->nrxpath == 2)
1394 tmp |= (1 << 3);
1395
1396 rt2860_io_bbp_write(sc, 3, tmp);
1397
1398 /* disable non-existing Tx chains */
1399
1400 tmp = rt2860_io_bbp_read(sc, 1);
1401
1402 tmp &= ~((1 << 4) | (1 << 3));
1403
1404 if (sc->ntxpath == 2)
1405 tmp |= (1 << 4);
1406
1407 rt2860_io_bbp_write(sc, 1, tmp);
1408
1409 /* set current channel */
1410
1411 rt2860_rf_set_chan(sc, ic->ic_curchan);
1412
1413 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1414 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1415 (48 << 16) | 96);
1416
1417 if ((sc->mac_rev & 0xffff) != 0x0101)
1418 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1419
1420 /* clear pending interrupts */
1421
1422 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1423
1424 /* enable interrupts */
1425
1426 tmp = RT2860_REG_INT_TX_COHERENT |
1427 RT2860_REG_INT_RX_COHERENT |
1428 RT2860_REG_INT_GP_TIMER |
1429 RT2860_REG_INT_AUTO_WAKEUP |
1430 RT2860_REG_INT_FIFO_STA_FULL |
1431 /*
1432 RT2860_REG_INT_PRE_TBTT |
1433 RT2860_REG_INT_TBTT |
1434 */
1435 RT2860_REG_INT_TXRX_COHERENT |
1436 RT2860_REG_INT_MCU_CMD |
1437 RT2860_REG_INT_TX_MGMT_DONE |
1438 RT2860_REG_INT_TX_HCCA_DONE |
1439 RT2860_REG_INT_TX_AC3_DONE |
1440 RT2860_REG_INT_TX_AC2_DONE |
1441 RT2860_REG_INT_TX_AC1_DONE |
1442 RT2860_REG_INT_TX_AC0_DONE |
1443 RT2860_REG_INT_RX_DONE;
1444
1445 sc->intr_enable_mask = tmp;
1446
1447 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1448
1449 if (rt2860_txrx_enable(sc) != 0)
1450 goto fail;
1451
1452 /* clear garbage interrupts */
1453
1454 tmp = rt2860_io_mac_read(sc, 0x1300);
1455
1456 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1457 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1458
1459 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1460 {
1461 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1462 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1463 }
1464 else
1465 {
1466 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1467 }
1468
1469 sc->periodic_round = 0;
1470
1471 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1472
1473 return;
1474
1475 fail:
1476
1477 rt2860_stop_locked(sc);
1478 }
1479
1480 /*
1481 * rt2860_init
1482 */
1483 static void rt2860_init(void *priv)
1484 {
1485 struct rt2860_softc *sc;
1486
1487 sc = priv;
1488
1489 RT2860_SOFTC_LOCK(sc);
1490
1491 rt2860_init_locked(sc);
1492
1493 RT2860_SOFTC_UNLOCK(sc);
1494 }
1495
1496 /*
1497 * rt2860_init_bbp
1498 */
1499 static int rt2860_init_bbp(struct rt2860_softc *sc)
1500 {
1501 int ntries, i;
1502 uint8_t tmp;
1503
1504 for (ntries = 0; ntries < 20; ntries++)
1505 {
1506 tmp = rt2860_io_bbp_read(sc, 0);
1507 if (tmp != 0x00 && tmp != 0xff)
1508 break;
1509 }
1510
1511 if (tmp == 0x00 || tmp == 0xff)
1512 {
1513 printf("%s: timeout waiting for BBP to wakeup\n",
1514 device_get_nameunit(sc->dev));
1515 return ETIMEDOUT;
1516 }
1517
1518 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1519 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1520 rt2860_def_bbp[i].val);
1521
1522 if ((sc->mac_rev & 0xffff) != 0x0101)
1523 rt2860_io_bbp_write(sc, 84, 0x19);
1524
1525 return 0;
1526 }
1527
1528 /*
1529 * rt2860_stop_locked
1530 */
1531 static void rt2860_stop_locked(void *priv)
1532 {
1533 struct rt2860_softc *sc;
1534 struct ieee80211com *ic;
1535 struct ifnet *ifp;
1536 uint32_t tmp;
1537
1538 sc = priv;
1539 ic = &sc->ic;
1540 ifp = ic->ic_ifp;
1541
1542 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1543 "%s: stopping\n",
1544 device_get_nameunit(sc->dev));
1545
1546 RT2860_SOFTC_ASSERT_LOCKED(sc);
1547
1548 sc->tx_timer = 0;
1549
1550 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1551 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1552
1553 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1554
1555 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1556
1557 callout_stop(&sc->periodic_ch);
1558 callout_stop(&sc->tx_watchdog_ch);
1559
1560 RT2860_SOFTC_UNLOCK(sc);
1561
1562 taskqueue_block(sc->taskqueue);
1563
1564 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1565 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1566 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1567 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1568
1569 RT2860_SOFTC_LOCK(sc);
1570
1571 /* clear key tables */
1572
1573 rt2860_asic_clear_keytables(sc);
1574
1575 /* disable interrupts */
1576
1577 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1578
1579 /* disable Tx/Rx */
1580
1581 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1582
1583 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1584
1585 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1586
1587 /* reset adapter */
1588
1589 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1590 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1591 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1592 }
1593
1594 /*
1595 * rt2860_stop
1596 */
1597 static void rt2860_stop(void *priv)
1598 {
1599 struct rt2860_softc *sc;
1600
1601 sc = priv;
1602
1603 RT2860_SOFTC_LOCK(sc);
1604
1605 rt2860_stop_locked(sc);
1606
1607 RT2860_SOFTC_UNLOCK(sc);
1608 }
1609
1610 /*
1611 * rt2860_start
1612 */
1613 static void rt2860_start(struct ifnet *ifp)
1614 {
1615 struct rt2860_softc *sc;
1616 struct ieee80211com *ic;
1617 struct ieee80211_node *ni;
1618 struct ether_header *eh;
1619 struct mbuf *m;
1620 int qid;
1621
1622 sc = ifp->if_softc;
1623 ic = &sc->ic;
1624
1625 RT2860_SOFTC_LOCK(sc);
1626
1627 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1628 {
1629 RT2860_SOFTC_UNLOCK(sc);
1630 return;
1631 }
1632
1633 for (;;)
1634 {
1635 IF_POLL(&ic->ic_mgtq, m);
1636 if (m != NULL)
1637 {
1638 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1639 {
1640 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1641 "%s: if_start: Tx ring with qid=%d is full\n",
1642 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1643
1644 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1645
1646 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1647
1648 break;
1649 }
1650
1651 IF_DEQUEUE(&ic->ic_mgtq, m);
1652
1653 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1654 m->m_pkthdr.rcvif = NULL;
1655
1656 if (bpf_peers_present(ic->ic_rawbpf))
1657 bpf_mtap(ic->ic_rawbpf, m);
1658
1659 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1660 break;
1661
1662 rt2860_drain_fifo_stats(sc);
1663 }
1664 else
1665 {
1666 if (ic->ic_state != IEEE80211_S_RUN)
1667 break;
1668
1669 IF_POLL(&ifp->if_snd, m);
1670 if (m == NULL)
1671 break;
1672
1673 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1674
1675 if (ic->ic_flags & IEEE80211_F_SCAN)
1676 ieee80211_cancel_scan(ic);
1677
1678 if (m->m_len < sizeof(struct ether_header) &&
1679 !(m = m_pullup(m, sizeof (struct ether_header))))
1680 continue;
1681
1682 eh = mtod(m, struct ether_header *);
1683
1684 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1685 if (ni == NULL)
1686 {
1687 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1688 "%s: if_start: could not find Tx node\n",
1689 device_get_nameunit(sc->dev));
1690
1691 m_freem(m);
1692 continue;
1693 }
1694
1695 ieee80211_classify(ic, m, ni);
1696
1697 qid = M_WME_GETAC(m);
1698
1699 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1700 {
1701 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1702 "%s: if_start: Tx ring with qid=%d is full\n",
1703 device_get_nameunit(sc->dev), qid);
1704
1705 m_freem(m);
1706 ieee80211_free_node(ni);
1707
1708 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1709 ifp->if_oerrors++;
1710
1711 sc->tx_data_queue_full[qid]++;
1712
1713 break;
1714 }
1715
1716 BPF_MTAP(ifp, m);
1717
1718 m = ieee80211_encap(ic, m, ni);
1719 if (m == NULL)
1720 {
1721 ieee80211_free_node(ni);
1722 ifp->if_oerrors++;
1723 continue;
1724 }
1725
1726 if (bpf_peers_present(ic->ic_rawbpf))
1727 bpf_mtap(ic->ic_rawbpf, m);
1728
1729 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1730 {
1731 ieee80211_free_node(ni);
1732
1733 ifp->if_oerrors++;
1734
1735 break;
1736 }
1737
1738 rt2860_drain_fifo_stats(sc);
1739 }
1740
1741 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1742
1743 ic->ic_lastdata = ticks;
1744
1745 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1746 }
1747
1748 RT2860_SOFTC_UNLOCK(sc);
1749 }
1750
1751 /*
1752 * rt2860_ioctl
1753 */
1754 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1755 {
1756 struct rt2860_softc *sc;
1757 struct ieee80211com *ic;
1758 int error;
1759
1760 sc = ifp->if_softc;
1761 ic = &sc->ic;
1762
1763 error = 0;
1764
1765 switch (cmd)
1766 {
1767 case SIOCSIFFLAGS:
1768 RT2860_SOFTC_LOCK(sc);
1769
1770 if (ifp->if_flags & IFF_UP)
1771 {
1772 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1773 {
1774 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1775 rt2860_asic_update_promisc(sc);
1776 }
1777 else
1778 {
1779 rt2860_init_locked(sc);
1780 }
1781 }
1782 else
1783 {
1784 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1785 rt2860_stop_locked(sc);
1786 }
1787
1788 sc->if_flags = ifp->if_flags;
1789
1790 RT2860_SOFTC_UNLOCK(sc);
1791 break;
1792
1793 default:
1794 error = ieee80211_ioctl(ic, cmd, data);
1795 }
1796
1797 if (error == ENETRESET)
1798 {
1799 RT2860_SOFTC_LOCK(sc);
1800
1801 if ((ifp->if_flags & IFF_UP) &&
1802 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1803 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1804 {
1805 rt2860_stop_locked(sc);
1806 rt2860_init_locked(sc);
1807 }
1808
1809 RT2860_SOFTC_UNLOCK(sc);
1810
1811 error = 0;
1812 }
1813
1814 return error;
1815 }
1816
1817 /*
1818 * rt2860_reset
1819 */
1820 static int rt2860_reset(struct ifnet *ifp)
1821 {
1822 struct rt2860_softc *sc;
1823 struct ieee80211com *ic;
1824
1825 sc = ifp->if_softc;
1826 ic = &sc->ic;
1827
1828 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1829 return ENETRESET;
1830
1831 rt2860_rf_set_chan(sc, ic->ic_curchan);
1832
1833 return 0;
1834 }
1835
1836 /*
1837 * rt2860_newstate
1838 */
1839 static int rt2860_newstate(struct ieee80211com *ic,
1840 enum ieee80211_state nstate, int arg)
1841 {
1842 struct rt2860_softc *sc;
1843 struct ifnet *ifp;
1844 struct ieee80211_node *ni;
1845 int error;
1846
1847 ifp = ic->ic_ifp;
1848 sc = ifp->if_softc;
1849
1850 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1851 "%s: newstate: %s -> %s\n",
1852 device_get_nameunit(sc->dev),
1853 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1854
1855 error = sc->newstate(ic, nstate, arg);
1856 if (error != 0)
1857 return error;
1858
1859 RT2860_SOFTC_LOCK(sc);
1860
1861 /* turn link LED off */
1862
1863 if (nstate != IEEE80211_S_RUN)
1864 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1865
1866 switch (nstate)
1867 {
1868 case IEEE80211_S_INIT:
1869 rt2860_asic_disable_tsf_sync(sc);
1870 break;
1871
1872 case IEEE80211_S_RUN:
1873 ni = ic->ic_bss;
1874
1875 rt2860_rf_set_chan(sc, ni->ni_chan);
1876
1877 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1878 {
1879 rt2860_asic_enable_mrr(sc);
1880 rt2860_asic_set_txpreamble(sc);
1881 rt2860_asic_set_basicrates(sc);
1882 rt2860_asic_update_txpower(sc);
1883 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1884 }
1885
1886 if (ic->ic_opmode == IEEE80211_M_STA)
1887 rt2860_newassoc(ni, 1);
1888
1889 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1890 ic->ic_opmode == IEEE80211_M_IBSS)
1891 {
1892 error = rt2860_asic_update_beacon(sc);
1893 if (error != 0)
1894 break;
1895 }
1896
1897 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1898 rt2860_asic_enable_tsf_sync(sc);
1899
1900 /* turn link LED on */
1901
1902 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1903 {
1904 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1905 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1906 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1907 }
1908 break;
1909
1910 default:
1911 break;
1912 }
1913
1914 RT2860_SOFTC_UNLOCK(sc);
1915
1916 return error;
1917 }
1918
1919 /*
1920 * rt2860_scan_start
1921 */
1922 static void rt2860_scan_start(struct ieee80211com *ic)
1923 {
1924 struct rt2860_softc *sc;
1925 struct ifnet *ifp;
1926
1927 ifp = ic->ic_ifp;
1928 sc = ifp->if_softc;
1929
1930 rt2860_asic_disable_tsf_sync(sc);
1931 }
1932
1933 /*
1934 * rt2860_scan_end
1935 */
1936 static void rt2860_scan_end(struct ieee80211com *ic)
1937 {
1938 struct rt2860_softc *sc;
1939 struct ifnet *ifp;
1940
1941 ifp = ic->ic_ifp;
1942 sc = ifp->if_softc;
1943
1944 rt2860_asic_enable_tsf_sync(sc);
1945 }
1946
1947 /*
1948 * rt2860_set_channel
1949 */
1950 static void rt2860_set_channel(struct ieee80211com *ic)
1951 {
1952 struct rt2860_softc *sc;
1953 struct ifnet *ifp;
1954
1955 ifp = ic->ic_ifp;
1956 sc = ifp->if_softc;
1957
1958 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
1959 "%s: set channel: channel=%u, HT%s%s\n",
1960 device_get_nameunit(sc->dev),
1961 ieee80211_chan2ieee(ic, ic->ic_curchan),
1962 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
1963 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
1964 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
1965 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
1966
1967 RT2860_SOFTC_LOCK(sc);
1968
1969 rt2860_rf_set_chan(sc, ic->ic_curchan);
1970
1971 RT2860_SOFTC_UNLOCK(sc);
1972 }
1973
1974 /*
1975 * rt2860_newassoc
1976 */
1977 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
1978 {
1979 struct rt2860_softc *sc;
1980 struct ieee80211com *ic;
1981 struct ifnet *ifp;
1982 uint16_t associd;
1983 uint8_t wcid;
1984
1985 ic = ni->ni_ic;
1986 ifp = ic->ic_ifp;
1987 sc = ifp->if_softc;
1988
1989 associd = (ni != NULL) ? ni->ni_associd : 0;
1990 wcid = RT2860_AID2WCID(associd);
1991
1992 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
1993 "%s: new association: wcid=0x%02x, "
1994 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
1995 device_get_nameunit(sc->dev), wcid,
1996 ether_sprintf(ni->ni_macaddr),
1997 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
1998 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
1999 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2000
2001 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2002 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2003
2004 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2005
2006 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2007 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2008 device_get_nameunit(sc->dev),
2009 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2010 ni->ni_associd,
2011 (ni->ni_flags & IEEE80211_NODE_HT) ?
2012 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2013 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2014 (ni->ni_flags & IEEE80211_NODE_HT) ?
2015 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2016 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2017
2018 rt2860_asic_updateprot(sc);
2019 rt2860_asic_updateslot(sc);
2020 rt2860_asic_set_txpreamble(sc);
2021 }
2022
2023 /*
2024 * rt2860_updateslot
2025 */
2026 static void rt2860_updateslot(struct ifnet *ifp)
2027 {
2028 struct rt2860_softc *sc;
2029
2030 sc = ifp->if_softc;
2031
2032 rt2860_asic_updateslot(sc);
2033 }
2034
2035 /*
2036 * rt2860_wme_update
2037 */
2038 static int rt2860_wme_update(struct ieee80211com *ic)
2039 {
2040 struct rt2860_softc *sc;
2041 struct ifnet *ifp;
2042
2043 ifp = ic->ic_ifp;
2044 sc = ifp->if_softc;
2045
2046 rt2860_asic_wme_update(sc);
2047
2048 return 0;
2049 }
2050
2051 /*
2052 * rt2860_update_beacon
2053 */
2054 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2055 {
2056 struct rt2860_softc *sc;
2057 struct ifnet *ifp;
2058
2059 ifp = ic->ic_ifp;
2060 sc = ifp->if_softc;
2061
2062 rt2860_asic_update_beacon(sc);
2063 }
2064
2065 /*
2066 * rt2860_key_update_begin
2067 */
2068 static void rt2860_key_update_begin(struct ieee80211com *ic)
2069 {
2070 struct rt2860_softc *sc;
2071 struct ifnet *ifp;
2072
2073 ifp = ic->ic_ifp;
2074 sc = ifp->if_softc;
2075
2076 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2077 "%s: key update begin\n",
2078 device_get_nameunit(sc->dev));
2079
2080 taskqueue_block(sc->taskqueue);
2081
2082 IF_LOCK(&ifp->if_snd);
2083 }
2084
2085 /*
2086 * rt2860_key_update_end
2087 */
2088 static void rt2860_key_update_end(struct ieee80211com *ic)
2089 {
2090 struct rt2860_softc *sc;
2091 struct ifnet *ifp;
2092
2093 ifp = ic->ic_ifp;
2094 sc = ifp->if_softc;
2095
2096 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2097 "%s: key update end\n",
2098 device_get_nameunit(sc->dev));
2099
2100 IF_UNLOCK(&ifp->if_snd);
2101
2102 taskqueue_unblock(sc->taskqueue);
2103 }
2104
2105 /*
2106 * rt2860_key_set
2107 */
2108 static int rt2860_key_set(struct ieee80211com *ic,
2109 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2110 {
2111 struct rt2860_softc *sc;
2112 struct ifnet *ifp;
2113 struct ieee80211_node *ni;
2114 uint16_t associd, key_base, keymode_base;
2115 uint8_t mode, vapid, wcid, iv[8];
2116 uint32_t tmp;
2117
2118 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2119 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2120 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2121 return EINVAL;
2122
2123 ifp = ic->ic_ifp;
2124 sc = ifp->if_softc;
2125
2126 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2127 ni = ic->ic_bss;
2128 else
2129 ni = ieee80211_find_node(&ic->ic_sta, mac);
2130
2131 associd = (ni != NULL) ? ni->ni_associd : 0;
2132
2133 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2134 ieee80211_free_node(ni);
2135
2136 switch (k->wk_cipher->ic_cipher)
2137 {
2138 case IEEE80211_CIPHER_WEP:
2139 if(k->wk_keylen < 8)
2140 mode = RT2860_REG_CIPHER_MODE_WEP40;
2141 else
2142 mode = RT2860_REG_CIPHER_MODE_WEP104;
2143 break;
2144
2145 case IEEE80211_CIPHER_TKIP:
2146 mode = RT2860_REG_CIPHER_MODE_TKIP;
2147 break;
2148
2149 case IEEE80211_CIPHER_AES_CCM:
2150 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2151 break;
2152
2153 default:
2154 return EINVAL;
2155 }
2156
2157 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2158 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2159 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2160 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2161
2162 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2163 {
2164 /* install pairwise key */
2165
2166 vapid = 0;
2167 wcid = RT2860_AID2WCID(associd);
2168 key_base = RT2860_REG_PKEY(wcid);
2169
2170 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2171 {
2172 memset(iv, 0, 8);
2173
2174 iv[3] = (k->wk_keyix << 6);
2175 }
2176 else
2177 {
2178 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2179 {
2180 iv[0] = (k->wk_keytsc >> 8);
2181 iv[1] = ((iv[0] | 0x20) & 0x7f);
2182 iv[2] = k->wk_keytsc;
2183 }
2184 else
2185 {
2186 /* AES CCMP */
2187
2188 iv[0] = k->wk_keytsc;
2189 iv[1] = k->wk_keytsc >> 8;
2190 iv[2] = 0;
2191 }
2192
2193 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2194 iv[4] = (k->wk_keytsc >> 16);
2195 iv[5] = (k->wk_keytsc >> 24);
2196 iv[6] = (k->wk_keytsc >> 32);
2197 iv[7] = (k->wk_keytsc >> 40);
2198
2199 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2200 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2201 device_get_nameunit(sc->dev),
2202 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2203 }
2204
2205 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2206
2207 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2208 {
2209 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2210
2211 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2212 {
2213 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2214 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2215 }
2216 else
2217 {
2218 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2219 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2220 }
2221 }
2222 else
2223 {
2224 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2225 }
2226
2227 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2228 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2229
2230 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2231 }
2232
2233 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2234 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2235 {
2236 /* install group key */
2237
2238 vapid = 0;
2239 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2240 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2241
2242 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2243 {
2244 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2245
2246 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2247 {
2248 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2249 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2250 }
2251 else
2252 {
2253 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2254 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2255 }
2256 }
2257 else
2258 {
2259 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2260 }
2261
2262 tmp = rt2860_io_mac_read(sc, keymode_base);
2263
2264 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2265 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2266
2267 rt2860_io_mac_write(sc, keymode_base, tmp);
2268 }
2269
2270 return 1;
2271 }
2272
2273 /*
2274 * rt2860_key_delete
2275 */
2276 static int rt2860_key_delete(struct ieee80211com *ic,
2277 const struct ieee80211_key *k)
2278 {
2279 struct rt2860_softc *sc;
2280 struct ieee80211_node *ni;
2281 uint16_t associd;
2282 uint8_t vapid, wcid;
2283 uint32_t tmp;
2284
2285 sc = ic->ic_ifp->if_softc;
2286 ni = ic->ic_bss;
2287 associd = (ni != NULL) ? ni->ni_associd : 0;
2288
2289 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2290 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2291 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2292 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2293
2294 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2295 {
2296 /* remove pairwise key */
2297
2298 vapid = 0;
2299 wcid = RT2860_AID2WCID(associd);
2300
2301 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2302 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2303
2304 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2305 }
2306 else
2307 {
2308 /* remove group key */
2309
2310 vapid = 0;
2311
2312 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2313
2314 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2315 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2316
2317 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2318 }
2319
2320 return 1;
2321 }
2322
2323 /*
2324 * rt2860_raw_xmit
2325 */
2326 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2327 const struct ieee80211_bpf_params *params)
2328 {
2329 return 0;
2330 }
2331
2332 /*
2333 * rt2860_media_change
2334 */
2335 static int rt2860_media_change(struct ifnet *ifp)
2336 {
2337 struct rt2860_softc *sc;
2338 int error;
2339
2340 sc = ifp->if_softc;
2341
2342 error = ieee80211_media_change(ifp);
2343 if (error != ENETRESET)
2344 return error;
2345
2346 RT2860_SOFTC_LOCK(sc);
2347
2348 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2349 {
2350 rt2860_stop_locked(sc);
2351 rt2860_init_locked(sc);
2352 }
2353
2354 RT2860_SOFTC_UNLOCK(sc);
2355
2356 return 0;
2357 }
2358
2359 /*
2360 * rt2860_recv_action
2361 */
2362 static void rt2860_recv_action(struct ieee80211_node *ni,
2363 const uint8_t *frm, const uint8_t *efrm)
2364 {
2365 struct rt2860_softc *sc;
2366 struct ieee80211com *ic;
2367 struct ifnet *ifp;
2368 const struct ieee80211_action *ia;
2369 uint16_t associd, baparamset;
2370 uint8_t wcid;
2371 int tid, bufsize;
2372 uint32_t tmp;
2373
2374 ic = ni->ni_ic;
2375 ifp = ic->ic_ifp;
2376 sc = ifp->if_softc;
2377
2378 ia = (const struct ieee80211_action *) frm;
2379
2380 sc->recv_action(ni, frm, efrm);
2381
2382 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2383 return;
2384
2385 associd = (ni != NULL) ? ni->ni_associd : 0;
2386 wcid = RT2860_AID2WCID(associd);
2387
2388 switch (ia->ia_action)
2389 {
2390 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2391 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2392 baparamset = LE_READ_2(frm + 3);
2393 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2394 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2395
2396 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2397 "%s: received ADDBA: associd=0x%04x, tid=%d, bufsize=%d\n",
2398 device_get_nameunit(sc->dev), associd, tid, bufsize);
2399
2400 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2401
2402 tmp |= (0x10000 << tid);
2403
2404 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2405 break;
2406
2407 /* IEEE80211_ACTION_BA_DELBA */
2408 case IEEE80211_ACTION_BA_DELBA:
2409 baparamset = LE_READ_2(frm + 2);
2410 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2411
2412 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2413 "%s: received DELBA: associd=0x%04x, tid=%d\n",
2414 device_get_nameunit(sc->dev), associd, tid);
2415
2416 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2417
2418 tmp &= ~(0x10000 << tid);
2419
2420 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2421 break;
2422 }
2423 }
2424
2425 /*
2426 * rt2860_send_action
2427 */
2428 static int rt2860_send_action(struct ieee80211_node *ni,
2429 int category, int action, uint16_t args[4])
2430 {
2431 struct rt2860_softc *sc;
2432 struct ieee80211com *ic;
2433 struct ifnet *ifp;
2434 uint16_t associd, baparamset;
2435 uint8_t wcid;
2436 int ret, tid;
2437 uint32_t tmp;
2438
2439 ic = ni->ni_ic;
2440 ifp = ic->ic_ifp;
2441 sc = ifp->if_softc;
2442
2443 ret = sc->send_action(ni, category, action, args);
2444
2445 if (category != IEEE80211_ACTION_CAT_BA)
2446 return ret;
2447
2448 associd = (ni != NULL) ? ni->ni_associd : 0;
2449 wcid = RT2860_AID2WCID(associd);
2450
2451 switch (action)
2452 {
2453 /* IEEE80211_ACTION_BA_DELBA */
2454 case IEEE80211_ACTION_BA_DELBA:
2455 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) |
2456 RT2860_SM(args[1], IEEE80211_DELBAPS_INIT);
2457
2458 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2459 break;
2460
2461 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2462
2463 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2464 "%s: sending DELBA: associd=0x%04x, tid=%d\n",
2465 device_get_nameunit(sc->dev), associd, tid);
2466
2467 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2468
2469 tmp &= ~(0x10000 << tid);
2470
2471 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2472 break;
2473 }
2474
2475 return ret;
2476 }
2477
2478 /*
2479 * rt2860_amrr_update_iter_func
2480 */
2481 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2482 {
2483 struct rt2860_softc *sc;
2484 struct ieee80211com *ic;
2485 uint8_t wcid;
2486
2487 sc = arg;
2488 ic = &sc->ic;
2489
2490 /* only associated stations */
2491
2492 if (ni->ni_associd != 0)
2493 {
2494 wcid = RT2860_AID2WCID(ni->ni_associd);
2495
2496 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2497 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2498 device_get_nameunit(sc->dev),
2499 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2500
2501 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2502
2503 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2504 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2505 device_get_nameunit(sc->dev),
2506 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2507 ni->ni_associd,
2508 (ni->ni_flags & IEEE80211_NODE_HT) ?
2509 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2510 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2511 (ni->ni_flags & IEEE80211_NODE_HT) ?
2512 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2513 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2514 }
2515 }
2516
2517 /*
2518 * rt2860_periodic
2519 */
2520 static void rt2860_periodic(void *arg)
2521 {
2522 struct rt2860_softc *sc;
2523
2524 sc = arg;
2525
2526 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2527 "%s: periodic\n",
2528 device_get_nameunit(sc->dev));
2529
2530 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2531 }
2532
2533 /*
2534 * rt2860_tx_watchdog
2535 */
2536 static void rt2860_tx_watchdog(void *arg)
2537 {
2538 struct rt2860_softc *sc;
2539 struct ifnet *ifp;
2540
2541 sc = arg;
2542 ifp = sc->ifp;
2543
2544 if (sc->tx_timer == 0)
2545 return;
2546
2547 if (--sc->tx_timer == 0)
2548 {
2549 printf("%s: Tx watchdog timeout: resetting\n",
2550 device_get_nameunit(sc->dev));
2551
2552 rt2860_stop_locked(sc);
2553 rt2860_init_locked(sc);
2554
2555 ifp->if_oerrors++;
2556
2557 sc->tx_watchdog_timeouts++;
2558 }
2559
2560 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2561 }
2562
2563 /*
2564 * rt2860_asic_set_bssid
2565 */
2566 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2567 const uint8_t *bssid)
2568 {
2569 uint32_t tmp;
2570
2571 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2572 "%s: set bssid: bssid=%s\n",
2573 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2574
2575 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2576
2577 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2578
2579 tmp = bssid[4] | (bssid[5] << 8);
2580
2581 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2582 }
2583
2584 /*
2585 * rt2860_asic_set_macaddr
2586 */
2587 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2588 const uint8_t *addr)
2589 {
2590 uint32_t tmp;
2591
2592 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2593
2594 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2595
2596 tmp = addr[4] | (addr[5] << 8);
2597
2598 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2599 }
2600
2601 /*
2602 * rt2860_asic_enable_tsf_sync
2603 */
2604 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2605 {
2606 struct ieee80211com *ic;
2607 uint32_t tmp;
2608
2609 ic = &sc->ic;
2610
2611 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2612 "%s: enabling TSF\n",
2613 device_get_nameunit(sc->dev));
2614
2615 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2616
2617 tmp &= ~0x1fffff;
2618 tmp |= ic->ic_bss->ni_intval * 16;
2619 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2620
2621 if (ic->ic_opmode == IEEE80211_M_STA)
2622 {
2623 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2624 }
2625 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2626 {
2627 tmp |= RT2860_REG_BCN_TX_ENABLE;
2628 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2629 }
2630 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2631 {
2632 tmp |= RT2860_REG_BCN_TX_ENABLE;
2633 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2634 }
2635
2636 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2637 }
2638
2639 /*
2640 * rt2860_asic_disable_tsf_sync
2641 */
2642 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2643 {
2644 uint32_t tmp;
2645
2646 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2647 "%s: disabling TSF\n",
2648 device_get_nameunit(sc->dev));
2649
2650 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2651
2652 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2653 RT2860_REG_TSF_TIMER_ENABLE |
2654 RT2860_REG_TBTT_TIMER_ENABLE);
2655
2656 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2657 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2658
2659 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2660 }
2661
2662 /*
2663 * rt2860_asic_enable_mrr
2664 */
2665 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2666 {
2667 #define CCK(mcs) (mcs)
2668 #define OFDM(mcs) ((1 << 3) | (mcs))
2669 #define HT(mcs) (mcs)
2670
2671 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2672 (OFDM(6) << 28) | /* 54 -> 48 */
2673 (OFDM(5) << 24) | /* 48 -> 36 */
2674 (OFDM(4) << 20) | /* 36 -> 24 */
2675 (OFDM(3) << 16) | /* 24 -> 18 */
2676 (OFDM(2) << 12) | /* 18 -> 12 */
2677 (OFDM(1) << 8) | /* 12 -> 9 */
2678 (OFDM(0) << 4) | /* 9 -> 6 */
2679 OFDM(0)); /* 6 -> 6 */
2680
2681 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2682 (CCK(2) << 12) | /* 11 -> 5.5 */
2683 (CCK(1) << 8) | /* 5.5 -> 2 */
2684 (CCK(0) << 4) | /* 2 -> 1 */
2685 CCK(0)); /* 1 -> 1 */
2686
2687 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2688 (HT(6) << 28) |
2689 (HT(5) << 24) |
2690 (HT(4) << 20) |
2691 (HT(3) << 16) |
2692 (HT(2) << 12) |
2693 (HT(1) << 8) |
2694 (HT(0) << 4) |
2695 HT(0));
2696
2697 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2698 (HT(14) << 28) |
2699 (HT(13) << 24) |
2700 (HT(12) << 20) |
2701 (HT(11) << 16) |
2702 (HT(10) << 12) |
2703 (HT(9) << 8) |
2704 (HT(8) << 4) |
2705 HT(8));
2706
2707 #undef HT
2708 #undef OFDM
2709 #undef CCK
2710 }
2711
2712 /*
2713 * rt2860_asic_set_txpreamble
2714 */
2715 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2716 {
2717 struct ieee80211com *ic;
2718 uint32_t tmp;
2719
2720 ic = &sc->ic;
2721
2722 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2723 "%s: %s short Tx preamble\n",
2724 device_get_nameunit(sc->dev),
2725 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2726
2727 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2728
2729 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2730
2731 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2732 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2733
2734 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2735 }
2736
2737 /*
2738 * rt2860_asic_set_basicrates
2739 */
2740 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2741 {
2742 struct ieee80211com *ic;
2743
2744 ic = &sc->ic;
2745
2746 if (ic->ic_curmode == IEEE80211_MODE_11B)
2747 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2748 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2749 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2750 else
2751 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2752 }
2753
2754 /*
2755 * rt2860_asic_update_rtsthreshold
2756 */
2757 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2758 {
2759 struct ieee80211com *ic;
2760 uint32_t tmp;
2761 uint16_t threshold;
2762
2763 ic = &sc->ic;
2764
2765 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2766 "%s: updating RTS threshold: %d\n",
2767 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2768
2769 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2770
2771 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2772
2773 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
2774 ic->ic_rtsthreshold : 0x1000;
2775
2776 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2777 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2778
2779 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2780 }
2781
2782 /*
2783 * rt2860_asic_update_txpower
2784 */
2785 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2786 {
2787 struct ieee80211com *ic;
2788 uint32_t *txpow_rate;
2789 int8_t delta;
2790 uint8_t val;
2791 uint32_t tmp;
2792 int i;
2793
2794 ic = &sc->ic;
2795
2796 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2797 "%s: updating Tx power: %d\n",
2798 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
2799
2800 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
2801 {
2802 txpow_rate = sc->txpow_rate_20mhz;
2803 }
2804 else
2805 {
2806 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
2807 txpow_rate = sc->txpow_rate_40mhz_2ghz;
2808 else
2809 txpow_rate = sc->txpow_rate_40mhz_5ghz;
2810 }
2811
2812 delta = 0;
2813
2814 val = rt2860_io_bbp_read(sc, 1);
2815 val &= 0xfc;
2816
2817 if (ic->ic_txpowlimit > 90)
2818 {
2819 /* do nothing */
2820 }
2821 else if (ic->ic_txpowlimit > 60)
2822 {
2823 delta -= 1;
2824 }
2825 else if (ic->ic_txpowlimit > 30)
2826 {
2827 delta -= 3;
2828 }
2829 else if (ic->ic_txpowlimit > 15)
2830 {
2831 val |= 0x1;
2832 }
2833 else if (ic->ic_txpowlimit > 9)
2834 {
2835 val |= 0x1;
2836 delta -= 3;
2837 }
2838 else
2839 {
2840 val |= 0x2;
2841 }
2842
2843 rt2860_io_bbp_write(sc, 1, val);
2844
2845 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
2846 {
2847 if (txpow_rate[i] == 0xffffffff)
2848 continue;
2849
2850 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
2851
2852 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
2853 }
2854 }
2855
2856 /*
2857 * rt2860_asic_update_promisc
2858 */
2859 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
2860 {
2861 struct ifnet *ifp;
2862 uint32_t tmp;
2863
2864 ifp = sc->ic.ic_ifp;
2865
2866 printf("%s: %s promiscuous mode\n",
2867 device_get_nameunit(sc->dev),
2868 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
2869
2870 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
2871
2872 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
2873
2874 if (!(ifp->if_flags & IFF_PROMISC))
2875 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
2876
2877 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
2878 }
2879
2880 /*
2881 * rt2860_asic_updateprot
2882 */
2883 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
2884 {
2885 struct ieee80211com *ic;
2886 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
2887 uint8_t htopmode;
2888
2889 ic = &sc->ic;
2890
2891 /* CCK frame protection */
2892
2893 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2894 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
2895
2896 /* set up protection frame phy mode and rate (MCS code) */
2897
2898 if (ic->ic_curmode == IEEE80211_MODE_11A)
2899 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2900 (0 << RT2860_REG_PROT_MCS_SHIFT);
2901 else
2902 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2903 (3 << RT2860_REG_PROT_MCS_SHIFT));
2904
2905 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
2906
2907 /* OFDM frame protection */
2908
2909 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2910 RT2860_REG_TXOP_ALLOW_ALL;
2911
2912 if (ic->ic_flags & IEEE80211_F_USEPROT)
2913 {
2914 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2915 "%s: updating protection mode: b/g protection mode=%s\n",
2916 device_get_nameunit(sc->dev),
2917 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2918 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2919
2920 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2921 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2922 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2923 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
2924 else
2925 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2926 }
2927 else
2928 {
2929 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2930 "%s: updating protection mode: b/g protection mode=%s\n",
2931 device_get_nameunit(sc->dev), "none");
2932
2933 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2934 }
2935
2936 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
2937
2938 /* HT frame protection */
2939
2940 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
2941 htopmode = ic->ic_bss->ni_htopmode;
2942 else
2943 htopmode = ic->ic_curhtprotmode;
2944
2945 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2946 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
2947 device_get_nameunit(sc->dev),
2948 htopmode & IEEE80211_HTINFO_OPMODE,
2949 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2950 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2951
2952 switch (htopmode & IEEE80211_HTINFO_OPMODE)
2953 {
2954 /* IEEE80211_HTINFO_OPMODE_HT20PR */
2955 case IEEE80211_HTINFO_OPMODE_HT20PR:
2956 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
2957 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
2958 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
2959 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2960 (4 << RT2860_REG_PROT_MCS_SHIFT);
2961
2962 gf20_prot = mm20_prot;
2963
2964 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
2965 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2966 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
2967
2968 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
2969 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2970 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
2971 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
2972 else
2973 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
2974
2975 gf40_prot = mm40_prot;
2976 break;
2977
2978 /* IEEE80211_HTINFO_OPMODE_MIXED */
2979 case IEEE80211_HTINFO_OPMODE_MIXED:
2980 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
2981 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
2982 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
2983
2984 if (ic->ic_flags & IEEE80211_F_USEPROT)
2985 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2986 (3 << RT2860_REG_PROT_MCS_SHIFT);
2987 else
2988 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2989 (4 << RT2860_REG_PROT_MCS_SHIFT);
2990
2991 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
2992 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2993 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
2994 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
2995 else
2996 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
2997
2998 gf20_prot = mm20_prot;
2999
3000 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3001
3002 if (ic->ic_flags & IEEE80211_F_USEPROT)
3003 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3004 (3 << RT2860_REG_PROT_MCS_SHIFT);
3005 else
3006 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3007 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3008
3009 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3010 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3011 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3012 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3013 else
3014 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3015
3016 gf40_prot = mm40_prot;
3017 break;
3018
3019 /*
3020 * IEEE80211_HTINFO_OPMODE_PURE
3021 * IEEE80211_HTINFO_OPMODE_PROTOPT
3022 */
3023 case IEEE80211_HTINFO_OPMODE_PURE:
3024 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3025 default:
3026 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3027 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3028 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3029 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3030 (4 << RT2860_REG_PROT_MCS_SHIFT);
3031
3032 gf20_prot = mm20_prot;
3033
3034 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3035 RT2860_REG_TXOP_ALLOW_ALL |
3036 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3037 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3038
3039 gf40_prot = mm40_prot;
3040 break;
3041 }
3042
3043 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3044 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3045 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3046 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3047 }
3048
3049 /*
3050 * rt2860_asic_updateslot
3051 */
3052 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3053 {
3054 struct ieee80211com *ic;
3055 uint32_t tmp;
3056
3057 ic = &sc->ic;
3058
3059 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3060 "%s: %s short slot time\n",
3061 device_get_nameunit(sc->dev),
3062 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3063
3064 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3065
3066 tmp &= ~0xff;
3067 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3068
3069 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3070 }
3071
3072 /*
3073 * rt2860_asic_wme_update
3074 */
3075 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3076 {
3077 struct ieee80211com *ic;
3078 struct ieee80211_wme_state *wme;
3079 const struct wmeParams *wmep;
3080 int i;
3081
3082 ic = &sc->ic;
3083 wme = &ic->ic_wme;
3084 wmep = wme->wme_chanParams.cap_wmeParams;
3085
3086 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3087 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3088 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3089 device_get_nameunit(sc->dev),
3090 wmep[WME_AC_VO].wmep_aifsn,
3091 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3092 wmep[WME_AC_VO].wmep_txopLimit,
3093 wmep[WME_AC_VI].wmep_aifsn,
3094 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3095 wmep[WME_AC_VI].wmep_txopLimit,
3096 wmep[WME_AC_BK].wmep_aifsn,
3097 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3098 wmep[WME_AC_BK].wmep_txopLimit,
3099 wmep[WME_AC_BE].wmep_aifsn,
3100 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3101 wmep[WME_AC_BE].wmep_txopLimit);
3102
3103 for (i = 0; i < WME_NUM_AC; i++)
3104 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3105 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3106 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3107
3108 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3109 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3110 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3111
3112 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3113 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3114 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3115
3116 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3117 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3118 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3119
3120 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3121 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3122
3123 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3124 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3125 }
3126
3127 /*
3128 * rt2860_asic_update_beacon
3129 */
3130 static int rt2860_asic_update_beacon(struct rt2860_softc *sc)
3131 {
3132 struct ieee80211com *ic;
3133 struct mbuf *m;
3134 struct rt2860_txwi txwi;
3135 uint8_t rate, mcs;
3136 uint32_t tmp;
3137
3138 ic = &sc->ic;
3139
3140 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3141 if (m == NULL)
3142 return ENOMEM;
3143
3144 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3145 mcs = rt2860_rate2mcs(rate);
3146
3147 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3148
3149 txwi.wcid = 0xff;
3150 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3151 RT2860_TXWI_MPDU_LEN_SHIFT);
3152 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3153 txwi.mpdu_density_flags |=
3154 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3155 txwi.bawin_size_xflags |=
3156 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3157
3158 if (rate == 2)
3159 {
3160 txwi.phymode_ifs_stbc_shortgi =
3161 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3162
3163 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3164 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3165 }
3166 else
3167 {
3168 txwi.phymode_ifs_stbc_shortgi =
3169 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3170 }
3171
3172 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3173 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3174
3175 /* disable temporarily TSF sync */
3176
3177 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3178
3179 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3180 RT2860_REG_TSF_TIMER_ENABLE |
3181 RT2860_REG_TBTT_TIMER_ENABLE);
3182
3183 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3184
3185 /* write Tx wireless info and beacon frame to on-chip memory */
3186
3187 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3188 &txwi, sizeof(struct rt2860_txwi));
3189
3190 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3191 mtod(m, uint8_t *), m->m_pkthdr.len);
3192
3193 /* enable again TSF sync */
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 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3202
3203 m_freem(m);
3204
3205 return 0;
3206 }
3207
3208 /*
3209 * rt2860_asic_clear_keytables
3210 */
3211 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3212 {
3213 int i;
3214
3215 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3216
3217 for (i = 0; i < 256; i++)
3218 {
3219 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3220 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3221 }
3222
3223 /* clear WCID attribute table (entries = 256, entry size = 4) */
3224
3225 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3226
3227 /* clear IV/EIV table (entries = 256, entry size = 8) */
3228
3229 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3230
3231 /* clear pairwise key table (entries = 256, entry size = 32) */
3232
3233 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3234
3235 /* clear shared key table (entries = 32, entry size = 32) */
3236
3237 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3238
3239 /* clear shared key mode (entries = 32, entry size = 2) */
3240
3241 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3242 }
3243
3244 /*
3245 * rt2860_rxrate
3246 */
3247 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3248 {
3249 uint8_t mcs, phymode;
3250 uint8_t rate;
3251
3252 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3253 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3254 RT2860_RXWI_PHYMODE_MASK;
3255
3256 rate = 2;
3257
3258 switch (phymode)
3259 {
3260 case RT2860_RXWI_PHYMODE_CCK:
3261 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3262 {
3263 case 0: rate = 2; break; /* 1 Mbps */
3264 case 1: rate = 4; break; /* 2 MBps */
3265 case 2: rate = 11; break; /* 5.5 Mbps */
3266 case 3: rate = 22; break; /* 11 Mbps */
3267 }
3268 break;
3269
3270 case RT2860_RXWI_PHYMODE_OFDM:
3271 switch (mcs)
3272 {
3273 case 0: rate = 12; break; /* 6 Mbps */
3274 case 1: rate = 18; break; /* 9 Mbps */
3275 case 2: rate = 24; break; /* 12 Mbps */
3276 case 3: rate = 36; break; /* 18 Mbps */
3277 case 4: rate = 48; break; /* 24 Mbps */
3278 case 5: rate = 72; break; /* 36 Mbps */
3279 case 6: rate = 96; break; /* 48 Mbps */
3280 case 7: rate = 108; break; /* 54 Mbps */
3281 }
3282 break;
3283
3284 case RT2860_RXWI_PHYMODE_HT_MIXED:
3285 case RT2860_RXWI_PHYMODE_HT_GF:
3286 break;
3287 }
3288
3289 return rate;
3290 }
3291
3292 /*
3293 * rt2860_maxrssi_rxpath
3294 */
3295 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3296 const struct rt2860_rxwi *rxwi)
3297 {
3298 uint8_t rxpath;
3299
3300 rxpath = 0;
3301
3302 if (sc->nrxpath > 1)
3303 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3304 rxpath = 1;
3305
3306 if (sc->nrxpath > 2)
3307 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3308 rxpath = 2;
3309
3310 return rxpath;
3311 }
3312
3313 /*
3314 * rt2860_rssi2dbm
3315 */
3316 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3317 uint8_t rssi, uint8_t rxpath)
3318 {
3319 struct ieee80211com *ic;
3320 struct ieee80211_channel *c;
3321 int chan;
3322 int8_t rssi_off, lna_gain;
3323
3324 if (rssi == 0)
3325 return -99;
3326
3327 ic = &sc->ic;
3328 c = ic->ic_curchan;
3329 chan = ieee80211_chan2ieee(ic, c);
3330
3331 if (IEEE80211_IS_CHAN_5GHZ(c))
3332 {
3333 rssi_off = sc->rssi_off_5ghz[rxpath];
3334
3335 if (chan <= 64)
3336 lna_gain = sc->lna_gain[1];
3337 else if (chan <= 128)
3338 lna_gain = sc->lna_gain[2];
3339 else
3340 lna_gain = sc->lna_gain[3];
3341 }
3342 else
3343 {
3344 rssi_off = sc->rssi_off_2ghz[rxpath];
3345 lna_gain = sc->lna_gain[0];
3346 }
3347
3348 return (-12 - rssi_off - lna_gain - rssi);
3349 }
3350
3351 /*
3352 * rt2860_rate2mcs
3353 */
3354 static uint8_t rt2860_rate2mcs(uint8_t rate)
3355 {
3356 switch (rate)
3357 {
3358 /* CCK rates */
3359 case 2: return 0;
3360 case 4: return 1;
3361 case 11: return 2;
3362 case 22: return 3;
3363
3364 /* OFDM rates */
3365 case 12: return 0;
3366 case 18: return 1;
3367 case 24: return 2;
3368 case 36: return 3;
3369 case 48: return 4;
3370 case 72: return 5;
3371 case 96: return 6;
3372 case 108: return 7;
3373 }
3374
3375 return 0;
3376 }
3377
3378 /*
3379 * rt2860_ackrate
3380 */
3381 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3382 {
3383 switch (rate)
3384 {
3385 /* CCK rates */
3386
3387 case 2:
3388 return 2;
3389
3390 case 4:
3391 case 11:
3392 case 22:
3393 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3394
3395 /* OFDM rates */
3396
3397 case 12:
3398 case 18:
3399 return 12;
3400
3401 case 24:
3402 case 36:
3403 return 24;
3404
3405 case 48:
3406 case 72:
3407 case 96:
3408 case 108:
3409 return 48;
3410 }
3411
3412 /* default to 1Mbps */
3413 return 2;
3414 }
3415
3416 /*
3417 * rt2860_txtime
3418 */
3419 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3420 {
3421 uint16_t txtime;
3422
3423 if (RT2860_RATE_IS_OFDM(rate))
3424 {
3425 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3426 txtime = 16 + 4 + 4 * txtime + 6;
3427 }
3428 else
3429 {
3430 txtime = (16 * len + rate - 1) / rate;
3431
3432 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3433 txtime += 72 + 24;
3434 else
3435 txtime += 144 + 48;
3436 }
3437
3438 return txtime;
3439 }
3440
3441 /*
3442 * rt2860_tx_frame
3443 */
3444 static int rt2860_tx_frame(struct rt2860_softc *sc,
3445 struct mbuf *m, struct ieee80211_node *ni, int qid)
3446 {
3447 struct ieee80211com *ic;
3448 struct rt2860_softc_tx_ring *ring;
3449 struct rt2860_softc_tx_data *data;
3450 struct rt2860_txdesc *desc;
3451 struct rt2860_txwi *txwi;
3452 struct ieee80211_frame *wh;
3453 struct rt2860_softc_tx_radiotap_header *tap;
3454 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3455 u_int hdrsize, hdrspace;
3456 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, qsel;
3457 uint16_t qos, len, dmalen, mpdu_len, dur;
3458 int error, hasqos, ackrate, ndmasegs, ndescs, i, j;
3459
3460 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3461 ("%s: Tx frame: invalid qid=%d\n",
3462 device_get_nameunit(sc->dev), qid));
3463
3464 ic = &sc->ic;
3465
3466 ring = &sc->tx_ring[qid];
3467 desc = &ring->desc[ring->desc_cur];
3468 data = &ring->data[ring->data_cur];
3469 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3470
3471 wh = mtod(m, struct ieee80211_frame *);
3472
3473 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3474
3475 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3476 if (hasqos)
3477 {
3478 if (IEEE80211_HAS_ADDR4(wh))
3479 qos = le16toh(*(const uint16_t *)
3480 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3481 else
3482 qos = le16toh(*(const uint16_t *)
3483 (((struct ieee80211_qosframe *) wh)->i_qos));
3484 }
3485 else
3486 {
3487 qos = 0;
3488 }
3489
3490 if (ni->ni_flags & IEEE80211_NODE_HT)
3491 {
3492 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3493 rate = 0;
3494 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3495 rate = ic->ic_fixed_rate;
3496 else
3497 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3498 }
3499 else
3500 {
3501 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3502 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3503 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3504 rate = ic->ic_fixed_rate;
3505 else
3506 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3507 }
3508
3509 rate &= IEEE80211_RATE_VAL;
3510
3511 /* fill Tx wireless info */
3512
3513 if (ni->ni_flags & IEEE80211_NODE_HT)
3514 mcs = rate;
3515 else
3516 mcs = rt2860_rate2mcs(rate);
3517
3518 pid = mcs;
3519
3520 /* management frames do not need encryption */
3521
3522 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3523 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3524
3525 /* calculate MPDU length without padding */
3526
3527 hdrsize = ieee80211_hdrsize(wh);
3528 hdrspace = ieee80211_hdrspace(ic, wh);
3529 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3530
3531 memset(txwi, 0, sizeof(struct rt2860_txwi));
3532
3533 txwi->wcid = wcid;
3534
3535 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3536 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3537 RT2860_TXWI_MPDU_LEN_SHIFT);
3538
3539 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3540
3541 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3542 (ni->ni_flags & IEEE80211_NODE_HT);
3543
3544 txwi->phymode_ifs_stbc_shortgi |=
3545 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3546 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3547
3548 if (ni->ni_flags & IEEE80211_NODE_HT)
3549 {
3550 txwi->phymode_ifs_stbc_shortgi |=
3551 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3552 }
3553 else
3554 {
3555 if (!RT2860_RATE_IS_OFDM(rate))
3556 {
3557 txwi->phymode_ifs_stbc_shortgi |=
3558 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3559
3560 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3561 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3562 }
3563 else
3564 {
3565 txwi->phymode_ifs_stbc_shortgi |=
3566 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3567 }
3568 }
3569
3570 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
3571 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
3572 bw = RT2860_TXWI_BW_40;
3573 else
3574 bw = RT2860_TXWI_BW_20;
3575
3576 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
3577 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3578
3579 if (type != IEEE80211_FC0_TYPE_DATA)
3580 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3581 else
3582 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3583
3584 /* skip ACKs for multicast frames and probe responses */
3585
3586 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3587 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3588 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
3589 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
3590 {
3591 txwi->bawin_size_xflags |=
3592 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3593
3594 if (ni->ni_flags & IEEE80211_NODE_HT)
3595 {
3596 /* preamble + plcp + signal extension */
3597
3598 dur = 16 + 4 + 6;
3599 }
3600 else
3601 {
3602 ackrate = rt2860_ackrate(ic, rate);
3603
3604 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
3605 sc->sifs;
3606 }
3607
3608 *(uint16_t *) wh->i_dur = htole16(dur);
3609 }
3610
3611 /* ask MAC to insert timestamp into probe responses */
3612
3613 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3614 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3615 txwi->mpdu_density_flags |=
3616 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3617
3618 if (bpf_peers_present(sc->drvbpf))
3619 {
3620 tap = &sc->txtap;
3621
3622 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3623 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3624 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3625 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3626 tap->chan_maxpow = 0;
3627
3628 if (ni->ni_flags & IEEE80211_NODE_HT)
3629 tap->rate = mcs | IEEE80211_RATE_MCS;
3630 else
3631 tap->rate = rate;
3632
3633 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3634 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3635
3636 if (shortgi)
3637 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3638
3639 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3640 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3641
3642 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3643 {
3644 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3645
3646 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3647
3648 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3649 }
3650 else
3651 {
3652 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3653 }
3654 }
3655
3656 /* copy and trim 802.11 header */
3657
3658 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3659 m_adj(m, hdrspace);
3660
3661 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3662 dma_seg, &ndmasegs, 0);
3663 if (error != 0)
3664 {
3665 /* too many fragments, linearize */
3666
3667 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3668 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3669 device_get_nameunit(sc->dev));
3670
3671 m = m_defrag(m, M_DONTWAIT);
3672 if (m == NULL)
3673 return ENOMEM;
3674
3675 sc->tx_defrag_packets++;
3676
3677 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3678 dma_seg, &ndmasegs, 0);
3679 if (error != 0)
3680 {
3681 printf("%s: could not load mbuf DMA map: error=%d\n",
3682 device_get_nameunit(sc->dev), error);
3683 m_freem(m);
3684 return error;
3685 }
3686 }
3687
3688 /* determine how many Tx descs are required */
3689
3690 ndescs = 1 + ndmasegs / 2;
3691 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3692 {
3693 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3694 "%s: there are not enough Tx descs\n",
3695 device_get_nameunit(sc->dev));
3696
3697 sc->no_tx_desc_avail++;
3698
3699 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3700 m_freem(m);
3701 return EFBIG;
3702 }
3703
3704 data->m = m;
3705 data->ni = ni;
3706
3707 /* set up Tx descs */
3708
3709 /* first segment is Tx wireless info and 802.11 header */
3710
3711 len = sizeof(struct rt2860_txwi) + hdrsize;
3712
3713 /* align end on a 4-bytes boundary */
3714
3715 dmalen = (len + 3) & ~ 3;
3716
3717 memset((caddr_t) txwi + len, 0, dmalen - len);
3718
3719 qsel = RT2860_TXDESC_QSEL_EDCA;
3720
3721 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3722 desc->sdl0 = htole16(dmalen);
3723 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3724
3725 /* set up payload segments */
3726
3727 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3728 {
3729 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3730 desc->sdl1 = htole16(dma_seg[j].ds_len);
3731
3732 ring->desc_queued++;
3733 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3734
3735 j++;
3736
3737 desc = &ring->desc[ring->desc_cur];
3738
3739 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3740 desc->sdl0 = htole16(dma_seg[j].ds_len);
3741 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3742
3743 j++;
3744 }
3745
3746 /* finalize last payload segment */
3747
3748 if (i > 0 && dma_seg[j].ds_len > 0)
3749 {
3750 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3751 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3752 }
3753 else
3754 {
3755 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3756 desc->sdl1 = 0;
3757 }
3758
3759 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3760 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3761 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3762 device_get_nameunit(sc->dev),
3763 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3764 bw, stbc, shortgi, mcs, dmalen, ndmasegs,
3765 dma_seg[0].ds_len, dma_seg[1].ds_len, dma_seg[2].ds_len, dma_seg[3].ds_len, dma_seg[4].ds_len);
3766
3767 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3768 BUS_DMASYNC_PREWRITE);
3769 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3770 BUS_DMASYNC_PREWRITE);
3771 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3772 BUS_DMASYNC_PREWRITE);
3773
3774 ring->desc_queued++;
3775 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3776
3777 ring->data_queued++;
3778 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3779
3780 /* kick Tx */
3781
3782 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3783
3784 return 0;
3785 }
3786
3787 /*
3788 * rt2860_tx_raw
3789 */
3790 static int rt2860_tx_raw(struct rt2860_softc *sc,
3791 struct mbuf *m, struct ieee80211_node *ni,
3792 const struct ieee80211_bpf_params *params)
3793 {
3794 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3795 "%s: Tx raw\n",
3796 device_get_nameunit(sc->dev));
3797
3798 return 0;
3799 }
3800
3801 /*
3802 * rt2860_intr
3803 */
3804 static void rt2860_intr(void *arg)
3805 {
3806 struct rt2860_softc *sc;
3807 struct ifnet *ifp;
3808 uint32_t status;
3809
3810 sc = arg;
3811 ifp = sc->ifp;
3812
3813 /* acknowledge interrupts */
3814
3815 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
3816 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
3817
3818 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3819 "%s: interrupt: status = 0x%08x\n",
3820 device_get_nameunit(sc->dev), status);
3821
3822 if (status == 0xffffffff || /* device likely went away */
3823 status == 0) /* not for us */
3824 return;
3825
3826 sc->interrupts++;
3827
3828 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3829 return;
3830
3831 if (status & RT2860_REG_INT_TX_COHERENT)
3832 rt2860_tx_coherent_intr(sc);
3833
3834 if (status & RT2860_REG_INT_RX_COHERENT)
3835 rt2860_rx_coherent_intr(sc);
3836
3837 if (status & RT2860_REG_INT_TXRX_COHERENT)
3838 rt2860_txrx_coherent_intr(sc);
3839
3840 if (status & RT2860_REG_INT_FIFO_STA_FULL)
3841 rt2860_fifo_sta_full_intr(sc);
3842
3843 if (status & RT2860_REG_INT_TX_MGMT_DONE)
3844 rt2860_tx_intr(sc, 5);
3845
3846 if (status & RT2860_REG_INT_RX_DONE)
3847 rt2860_rx_intr(sc);
3848
3849 if (status & RT2860_REG_INT_RX_DELAY_DONE)
3850 rt2860_rx_delay_intr(sc);
3851
3852 if (status & RT2860_REG_INT_TX_HCCA_DONE)
3853 rt2860_tx_intr(sc, 4);
3854
3855 if (status & RT2860_REG_INT_TX_AC3_DONE)
3856 rt2860_tx_intr(sc, 3);
3857
3858 if (status & RT2860_REG_INT_TX_AC2_DONE)
3859 rt2860_tx_intr(sc, 2);
3860
3861 if (status & RT2860_REG_INT_TX_AC1_DONE)
3862 rt2860_tx_intr(sc, 1);
3863
3864 if (status & RT2860_REG_INT_TX_AC0_DONE)
3865 rt2860_tx_intr(sc, 0);
3866
3867 if (status & RT2860_REG_INT_TX_DELAY_DONE)
3868 rt2860_tx_delay_intr(sc);
3869
3870 if (status & RT2860_REG_INT_PRE_TBTT)
3871 rt2860_pre_tbtt_intr(sc);
3872
3873 if (status & RT2860_REG_INT_TBTT)
3874 rt2860_tbtt_intr(sc);
3875
3876 if (status & RT2860_REG_INT_MCU_CMD)
3877 rt2860_mcu_cmd_intr(sc);
3878
3879 if (status & RT2860_REG_INT_AUTO_WAKEUP)
3880 rt2860_auto_wakeup_intr(sc);
3881
3882 if (status & RT2860_REG_INT_GP_TIMER)
3883 rt2860_gp_timer_intr(sc);
3884 }
3885
3886 /*
3887 * rt2860_tx_coherent_intr
3888 */
3889 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
3890 {
3891 uint32_t tmp;
3892 int i;
3893
3894 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3895 "%s: Tx coherent interrupt\n",
3896 device_get_nameunit(sc->dev));
3897
3898 sc->tx_coherent_interrupts++;
3899
3900 /* restart DMA engine */
3901
3902 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3903
3904 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3905 RT2860_REG_RX_DMA_ENABLE |
3906 RT2860_REG_TX_DMA_ENABLE);
3907
3908 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3909
3910 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3911
3912 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3913 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
3914
3915 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3916 {
3917 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
3918 sc->tx_ring[i].desc_phys_addr);
3919 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
3920 RT2860_SOFTC_TX_RING_DESC_COUNT);
3921 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
3922 }
3923
3924 /* init Rx ring */
3925
3926 rt2860_reset_rx_ring(sc, &sc->rx_ring);
3927
3928 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
3929 sc->rx_ring.desc_phys_addr);
3930 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
3931 RT2860_SOFTC_RX_RING_DATA_COUNT);
3932 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
3933 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
3934
3935 rt2860_txrx_enable(sc);
3936 }
3937
3938 /*
3939 * rt2860_rx_coherent_intr
3940 */
3941 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
3942 {
3943 uint32_t tmp;
3944 int i;
3945
3946 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3947 "%s: Rx coherent interrupt\n",
3948 device_get_nameunit(sc->dev));
3949
3950 sc->rx_coherent_interrupts++;
3951
3952 /* restart DMA engine */
3953
3954 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3955
3956 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3957 RT2860_REG_RX_DMA_ENABLE |
3958 RT2860_REG_TX_DMA_ENABLE);
3959
3960 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3961
3962 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3963
3964 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3965 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
3966
3967 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3968 {
3969 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
3970 sc->tx_ring[i].desc_phys_addr);
3971 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
3972 RT2860_SOFTC_TX_RING_DESC_COUNT);
3973 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
3974 }
3975
3976 /* init Rx ring */
3977
3978 rt2860_reset_rx_ring(sc, &sc->rx_ring);
3979
3980 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
3981 sc->rx_ring.desc_phys_addr);
3982 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
3983 RT2860_SOFTC_RX_RING_DATA_COUNT);
3984 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
3985 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
3986
3987 rt2860_txrx_enable(sc);
3988 }
3989
3990 /*
3991 * rt2860_txrx_coherent_intr
3992 */
3993 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
3994 {
3995 uint32_t tmp;
3996 int i;
3997
3998 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3999 "%s: Tx/Rx coherent interrupt\n",
4000 device_get_nameunit(sc->dev));
4001
4002 sc->txrx_coherent_interrupts++;
4003
4004 /* restart DMA engine */
4005
4006 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4007
4008 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4009 RT2860_REG_RX_DMA_ENABLE |
4010 RT2860_REG_TX_DMA_ENABLE);
4011
4012 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4013
4014 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4015
4016 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4017 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4018
4019 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4020 {
4021 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4022 sc->tx_ring[i].desc_phys_addr);
4023 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4024 RT2860_SOFTC_TX_RING_DESC_COUNT);
4025 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4026 }
4027
4028 /* init Rx ring */
4029
4030 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4031
4032 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4033 sc->rx_ring.desc_phys_addr);
4034 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4035 RT2860_SOFTC_RX_RING_DATA_COUNT);
4036 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4037 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4038
4039 rt2860_txrx_enable(sc);
4040 }
4041
4042 /*
4043 * rt2860_fifo_sta_full_intr
4044 */
4045 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4046 {
4047 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4048 "%s: FIFO statistic full interrupt\n",
4049 device_get_nameunit(sc->dev));
4050
4051 sc->fifo_sta_full_interrupts++;
4052
4053 RT2860_SOFTC_LOCK(sc);
4054
4055 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4056 {
4057 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4058
4059 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4060 }
4061
4062 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4063
4064 RT2860_SOFTC_UNLOCK(sc);
4065 }
4066
4067 /*
4068 * rt2860_rx_intr
4069 */
4070 static void rt2860_rx_intr(struct rt2860_softc *sc)
4071 {
4072 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4073 "%s: Rx interrupt\n",
4074 device_get_nameunit(sc->dev));
4075
4076 sc->rx_interrupts++;
4077
4078 RT2860_SOFTC_LOCK(sc);
4079
4080 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4081 {
4082 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4083
4084 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4085 }
4086
4087 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4088
4089 RT2860_SOFTC_UNLOCK(sc);
4090 }
4091
4092 /*
4093 * rt2860_rx_delay_intr
4094 */
4095 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4096 {
4097 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4098 "%s: Rx delay interrupt\n",
4099 device_get_nameunit(sc->dev));
4100
4101 sc->rx_delay_interrupts++;
4102 }
4103
4104 /*
4105 * rt2860_tx_intr
4106 */
4107 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4108 {
4109 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4110 ("%s: Tx interrupt: invalid qid=%d\n",
4111 device_get_nameunit(sc->dev), qid));
4112
4113 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4114 "%s: Tx interrupt: qid=%d\n",
4115 device_get_nameunit(sc->dev), qid);
4116
4117 sc->tx_interrupts[qid]++;
4118
4119 RT2860_SOFTC_LOCK(sc);
4120
4121 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4122 {
4123 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4124
4125 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4126 }
4127
4128 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4129
4130 RT2860_SOFTC_UNLOCK(sc);
4131 }
4132
4133 /*
4134 * rt2860_tx_delay_intr
4135 */
4136 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4137 {
4138 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4139 "%s: Tx delay interrupt\n",
4140 device_get_nameunit(sc->dev));
4141
4142 sc->tx_delay_interrupts++;
4143 }
4144
4145 /*
4146 * rt2860_pre_tbtt_intr
4147 */
4148 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4149 {
4150 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4151 "%s: Pre-TBTT interrupt\n",
4152 device_get_nameunit(sc->dev));
4153
4154 sc->pre_tbtt_interrupts++;
4155 }
4156
4157 /*
4158 * rt2860_tbtt_intr
4159 */
4160 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4161 {
4162 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4163 "%s: TBTT interrupt\n",
4164 device_get_nameunit(sc->dev));
4165
4166 sc->tbtt_interrupts++;
4167 }
4168
4169 /*
4170 * rt2860_mcu_cmd_intr
4171 */
4172 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4173 {
4174 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4175 "%s: MCU command interrupt\n",
4176 device_get_nameunit(sc->dev));
4177
4178 sc->mcu_cmd_interrupts++;
4179 }
4180
4181 /*
4182 * rt2860_auto_wakeup_intr
4183 */
4184 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4185 {
4186 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4187 "%s: auto wakeup interrupt\n",
4188 device_get_nameunit(sc->dev));
4189
4190 sc->auto_wakeup_interrupts++;
4191 }
4192
4193 /*
4194 * rt2860_gp_timer_intr
4195 */
4196 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4197 {
4198 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4199 "%s: GP timer interrupt\n",
4200 device_get_nameunit(sc->dev));
4201
4202 sc->gp_timer_interrupts++;
4203 }
4204
4205 /*
4206 * rt2860_rx_done_task
4207 */
4208 static void rt2860_rx_done_task(void *context, int pending)
4209 {
4210 struct rt2860_softc *sc;
4211 struct ifnet *ifp;
4212 int again;
4213
4214 sc = context;
4215 ifp = sc->ifp;
4216
4217 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4218 "%s: Rx done task\n",
4219 device_get_nameunit(sc->dev));
4220
4221 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4222 return;
4223
4224 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4225
4226 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4227
4228 RT2860_SOFTC_LOCK(sc);
4229
4230 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4231 {
4232 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4233 "%s: Rx done task: scheduling again\n",
4234 device_get_nameunit(sc->dev));
4235
4236 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4237 }
4238 else
4239 {
4240 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4241 }
4242
4243 RT2860_SOFTC_UNLOCK(sc);
4244 }
4245
4246 /*
4247 * rt2860_tx_done_task
4248 */
4249 static void rt2860_tx_done_task(void *context, int pending)
4250 {
4251 struct rt2860_softc *sc;
4252 struct ifnet *ifp;
4253 uint32_t intr_mask;
4254 int i;
4255
4256 sc = context;
4257 ifp = sc->ifp;
4258
4259 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4260 "%s: Tx done task\n",
4261 device_get_nameunit(sc->dev));
4262
4263 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4264 return;
4265
4266 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4267 RT2860_REG_INT_TX_HCCA_DONE |
4268 RT2860_REG_INT_TX_AC3_DONE |
4269 RT2860_REG_INT_TX_AC2_DONE |
4270 RT2860_REG_INT_TX_AC1_DONE |
4271 RT2860_REG_INT_TX_AC0_DONE);
4272
4273 sc->intr_pending_mask &= ~intr_mask;
4274
4275 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4276 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4277
4278 sc->tx_timer = 0;
4279
4280 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4281
4282 RT2860_SOFTC_LOCK(sc);
4283
4284 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4285 (sc->intr_disable_mask & intr_mask));
4286
4287 if (sc->intr_pending_mask & intr_mask)
4288 {
4289 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4290 "%s: Tx done task: scheduling again\n",
4291 device_get_nameunit(sc->dev));
4292
4293 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4294 }
4295
4296 RT2860_SOFTC_UNLOCK(sc);
4297 }
4298
4299 /*
4300 * rt2860_fifo_sta_full_task
4301 */
4302 static void rt2860_fifo_sta_full_task(void *context, int pending)
4303 {
4304 struct rt2860_softc *sc;
4305 struct ifnet *ifp;
4306
4307 sc = context;
4308 ifp = sc->ifp;
4309
4310 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4311 "%s: FIFO statistic full task\n",
4312 device_get_nameunit(sc->dev));
4313
4314 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4315 return;
4316
4317 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4318
4319 rt2860_drain_fifo_stats(sc);
4320
4321 RT2860_SOFTC_LOCK(sc);
4322
4323 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4324 {
4325 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4326 "%s: FIFO statistic full task: scheduling again\n",
4327 device_get_nameunit(sc->dev));
4328
4329 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4330 }
4331 else
4332 {
4333 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4334 }
4335
4336 RT2860_SOFTC_UNLOCK(sc);
4337 }
4338
4339 /*
4340 * rt2860_periodic_task
4341 */
4342 static void rt2860_periodic_task(void *context, int pending)
4343 {
4344 struct rt2860_softc *sc;
4345 struct ifnet *ifp;
4346 struct ieee80211com *ic;
4347
4348 sc = context;
4349 ifp = sc->ifp;
4350 ic = &sc->ic;
4351
4352 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4353 "%s: periodic task: round=%lu\n",
4354 device_get_nameunit(sc->dev), sc->periodic_round);
4355
4356 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4357 return;
4358
4359 RT2860_SOFTC_LOCK(sc);
4360
4361 sc->periodic_round++;
4362
4363 rt2860_update_stats(sc);
4364
4365 if ((sc->periodic_round % 10) == 0)
4366 {
4367 rt2860_update_raw_counters(sc);
4368
4369 rt2860_watchdog(sc);
4370
4371 if (ic->ic_opmode == IEEE80211_M_STA)
4372 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4373 else
4374 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4375 }
4376
4377 RT2860_SOFTC_UNLOCK(sc);
4378
4379 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4380 }
4381
4382 /*
4383 * rt2860_rx_eof
4384 */
4385 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4386 {
4387 struct ieee80211com *ic;
4388 struct ifnet *ifp;
4389 struct ieee80211_frame *wh;
4390 struct ieee80211_node *ni;
4391 struct rt2860_softc_rx_radiotap_header *tap;
4392 struct rt2860_softc_rx_ring *ring;
4393 struct rt2860_rxdesc *desc;
4394 struct rt2860_softc_rx_data *data;
4395 struct rt2860_rxwi *rxwi;
4396 struct mbuf *m, *mnew;
4397 bus_dma_segment_t segs[1];
4398 bus_dmamap_t dma_map;
4399 uint32_t index, desc_flags;
4400 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4401 int8_t rssi_dbm;
4402 int error, nsegs, len, ampdu, amsdu, nframes;
4403
4404 ic = &sc->ic;
4405 ifp = sc->ifp;
4406 ring = &sc->rx_ring;
4407
4408 nframes = 0;
4409
4410 while (limit != 0)
4411 {
4412 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4413 if (ring->cur == index)
4414 break;
4415
4416 desc = &ring->desc[ring->cur];
4417 desc_flags = le32toh(desc->flags);
4418 data = &ring->data[ring->cur];
4419
4420 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4421 BUS_DMASYNC_POSTREAD);
4422
4423 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4424 break;
4425
4426 nframes++;
4427
4428 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4429 if (mnew == NULL)
4430 {
4431 sc->rx_mbuf_alloc_errors++;
4432 ifp->if_ierrors++;
4433 goto skip;
4434 }
4435
4436 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4437
4438 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
4439 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4440 if (error != 0)
4441 {
4442 m_freem(mnew);
4443
4444 sc->rx_mbuf_dmamap_errors++;
4445 ifp->if_ierrors++;
4446
4447 goto skip;
4448 }
4449
4450 KASSERT(nsegs == 1, ("%s: too many DMA segments",
4451 device_get_name(sc->dev)));
4452
4453 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4454 BUS_DMASYNC_POSTREAD);
4455 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4456
4457 dma_map = data->dma_map;
4458 data->dma_map = ring->spare_dma_map;
4459 ring->spare_dma_map = dma_map;
4460
4461 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4462 BUS_DMASYNC_PREREAD);
4463
4464 m = data->m;
4465
4466 data->m = mnew;
4467 desc->sdp0 = htole32(segs[0].ds_addr);
4468
4469 /* get Rx wireless info */
4470
4471 rxwi = mtod(m, struct rt2860_rxwi *);
4472 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4473 RT2860_RXWI_SIZE_MASK;
4474
4475 /* check for L2 padding between IEEE 802.11 frame header and body */
4476
4477 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4478 {
4479 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4480 "%s: L2 padding: len=%d\n",
4481 device_get_nameunit(sc->dev), len);
4482
4483 len += 2;
4484 }
4485
4486 m->m_pkthdr.rcvif = ifp;
4487 m->m_data = (caddr_t) (rxwi + 1);
4488 m->m_pkthdr.len = m->m_len = len;
4489
4490 /* check for crc errors */
4491
4492 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4493 {
4494 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4495 "%s: rxdesc: crc error\n",
4496 device_get_nameunit(sc->dev));
4497
4498 ifp->if_ierrors++;
4499
4500 if (!(ifp->if_flags & IFF_PROMISC))
4501 {
4502 m_freem(m);
4503 goto skip;
4504 }
4505 }
4506
4507 wh = (struct ieee80211_frame *) (rxwi + 1);
4508
4509 /* check for cipher errors */
4510
4511 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4512 {
4513 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4514 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4515 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4516 {
4517 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4518 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4519
4520 m->m_flags |= M_WEP;
4521 }
4522 else
4523 {
4524 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4525 "%s: rxdesc: cipher error=0x%02x\n",
4526 device_get_nameunit(sc->dev), cipher_err);
4527
4528 ifp->if_ierrors++;
4529
4530 if (!(ifp->if_flags & IFF_PROMISC))
4531 {
4532 m_free(m);
4533 goto skip;
4534 }
4535 }
4536 }
4537 else
4538 {
4539 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4540 {
4541 ifp->if_ierrors++;
4542
4543 if (!(ifp->if_flags & IFF_PROMISC))
4544 {
4545 m_free(m);
4546 goto skip;
4547 }
4548 }
4549 }
4550
4551 /* check for A-MPDU */
4552
4553 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4554 {
4555 m->m_flags |= M_AMPDU;
4556
4557 sc->rx_ampdu++;
4558
4559 ampdu = 1;
4560 }
4561 else
4562 {
4563 ampdu = 0;
4564 }
4565
4566 /* check for A-MSDU */
4567
4568 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
4569 {
4570 sc->rx_amsdu++;
4571
4572 amsdu = 1;
4573 }
4574 else
4575 {
4576 amsdu = 0;
4577 }
4578
4579 ant = rt2860_maxrssi_rxpath(sc, rxwi);
4580 rssi = rxwi->rssi[ant];
4581 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
4582 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4583 RT2860_RXWI_PHYMODE_MASK);
4584 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
4585 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
4586 RT2860_RXWI_SHORTGI_MASK);
4587 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
4588
4589 if (bpf_peers_present(sc->drvbpf))
4590 {
4591 tap = &sc->rxtap;
4592
4593 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4594 tap->dbm_antsignal = rssi_dbm;
4595 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
4596 tap->antenna = ant;
4597 tap->antsignal = rssi;
4598 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4599 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4600 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4601 tap->chan_maxpow = 0;
4602
4603 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
4604 tap->rate = mcs | IEEE80211_RATE_MCS;
4605 else
4606 tap->rate = rt2860_rxrate(rxwi);
4607
4608 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
4609 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4610
4611 if (shortgi)
4612 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4613
4614 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4615 }
4616
4617 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4618 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4619 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4620 device_get_nameunit(sc->dev),
4621 len, phymode, bw, shortgi, mcs,
4622 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4623 rxwi->snr[0], rxwi->snr[1],
4624 rxwi->wcid, ampdu, amsdu);
4625
4626 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4627
4628 ieee80211_input(ic, m, ni, rssi_dbm - RT2860_NOISE_FLOOR, RT2860_NOISE_FLOOR, 0);
4629
4630 ieee80211_free_node(ni);
4631
4632 skip:
4633
4634 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
4635
4636 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4637 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4638
4639 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
4640
4641 limit--;
4642 }
4643
4644 if (ring->cur == 0)
4645 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4646 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4647 else
4648 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4649 ring->cur - 1);
4650
4651 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4652 "%s: Rx eof: nframes=%d\n",
4653 device_get_nameunit(sc->dev), nframes);
4654
4655 sc->rx_packets += nframes;
4656
4657 return (limit == 0);
4658 }
4659
4660 /*
4661 * rt2860_tx_eof
4662 */
4663 static void rt2860_tx_eof(struct rt2860_softc *sc,
4664 struct rt2860_softc_tx_ring *ring)
4665 {
4666 struct ifnet *ifp;
4667 struct rt2860_txdesc *desc;
4668 struct rt2860_softc_tx_data *data;
4669 uint32_t index;
4670 int ndescs, nframes;
4671
4672 ifp = sc->ifp;
4673
4674 ndescs = 0;
4675 nframes = 0;
4676
4677 for (;;)
4678 {
4679 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
4680 if (ring->desc_next == index)
4681 break;
4682
4683 ndescs++;
4684
4685 rt2860_drain_fifo_stats(sc);
4686
4687 desc = &ring->desc[ring->desc_next];
4688
4689 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4690 BUS_DMASYNC_POSTREAD);
4691
4692 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
4693 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
4694 {
4695 nframes++;
4696
4697 data = &ring->data[ring->data_next];
4698
4699 if (data->m->m_flags & M_TXCB)
4700 ieee80211_process_callback(data->ni, data->m, 0);
4701
4702 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4703 BUS_DMASYNC_POSTWRITE);
4704 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4705
4706 m_freem(data->m);
4707
4708 ieee80211_free_node(data->ni);
4709
4710 data->m = NULL;
4711 data->ni = NULL;
4712
4713 ifp->if_opackets++;
4714
4715 RT2860_SOFTC_LOCK(sc);
4716
4717 ring->data_queued--;
4718 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4719
4720 RT2860_SOFTC_UNLOCK(sc);
4721 }
4722
4723 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
4724
4725 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4726 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4727
4728 RT2860_SOFTC_LOCK(sc);
4729
4730 ring->desc_queued--;
4731 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4732
4733 RT2860_SOFTC_UNLOCK(sc);
4734 }
4735
4736 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4737 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
4738 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
4739 }
4740
4741 /*
4742 * rt2860_update_stats
4743 */
4744 static void rt2860_update_stats(struct rt2860_softc *sc)
4745 {
4746 struct ifnet *ifp;
4747 struct ieee80211com *ic;
4748 struct ieee80211_node *ni;
4749 uint32_t stacnt[3];
4750 int beacons, noretryok, retryok, failed;
4751 uint16_t associd;
4752 uint8_t wcid;
4753
4754 ifp = sc->ifp;
4755 ic = &sc->ic;
4756
4757 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4758 "%s: update statistic\n",
4759 device_get_nameunit(sc->dev));
4760
4761 rt2860_drain_fifo_stats(sc);
4762
4763 /* read and clear Tx statistic registers */
4764
4765 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
4766 stacnt, sizeof(stacnt));
4767
4768 stacnt[0] = le32toh(stacnt[0]);
4769 stacnt[1] = le32toh(stacnt[1]);
4770 stacnt[2] = le32toh(stacnt[2]);
4771
4772 beacons = stacnt[0] >> 16;
4773 noretryok = stacnt[1] & 0xffff;
4774 retryok = stacnt[1] >> 16;
4775 failed = stacnt[0] & 0xffff;
4776
4777 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4778 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
4779 device_get_nameunit(sc->dev),
4780 beacons, noretryok, retryok, failed);
4781
4782 ifp->if_oerrors += failed;
4783
4784 sc->tx_beacons += beacons;
4785 sc->tx_noretryok += noretryok;
4786 sc->tx_retryok += retryok;
4787 sc->tx_failed += failed;
4788
4789 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4790 {
4791 ni = ic->ic_bss;
4792
4793 associd = (ni != NULL) ? ni->ni_associd : 0;
4794 wcid = RT2860_AID2WCID(associd);
4795
4796 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
4797 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4798 }
4799 }
4800
4801 /*
4802 * rt2860_watchdog
4803 */
4804 static void rt2860_watchdog(struct rt2860_softc *sc)
4805 {
4806 uint32_t tmp;
4807 int ntries;
4808
4809 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4810
4811 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
4812 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4813 device_get_nameunit(sc->dev), tmp);
4814
4815 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
4816 {
4817 sc->tx_queue_not_empty[0]++;
4818
4819 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
4820
4821 for (ntries = 0; ntries < 10; ntries++)
4822 {
4823 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4824 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
4825 break;
4826
4827 DELAY(1);
4828 }
4829
4830 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4831 }
4832
4833 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
4834 {
4835 sc->tx_queue_not_empty[1]++;
4836
4837 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
4838
4839 for (ntries = 0; ntries < 10; ntries++)
4840 {
4841 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4842 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
4843 break;
4844
4845 DELAY(1);
4846 }
4847
4848 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4849 }
4850 }
4851
4852 /*
4853 * rt2860_drain_fifo_stats
4854 */
4855 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
4856 {
4857 struct ifnet *ifp;
4858 uint32_t stats;
4859 uint8_t wcid, mcs, pid;
4860 int ok, agg, retrycnt;
4861
4862 ifp = sc->ic.ic_ifp;
4863
4864 /* drain Tx status FIFO (maxsize = 16) */
4865
4866 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
4867 RT2860_REG_TX_STA_FIFO_VALID)
4868 {
4869 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
4870 RT2860_REG_TX_STA_FIFO_WCID_MASK;
4871
4872 /* if no ACK was requested, no feedback is available */
4873
4874 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4875 continue;
4876
4877 /* update AMRR statistic */
4878
4879 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4880 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
4881 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
4882 RT2860_REG_TX_STA_FIFO_MCS_MASK;
4883 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
4884 RT2860_REG_TX_STA_FIFO_PID_MASK;
4885 retrycnt = pid - mcs;
4886
4887 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4888 "%s: FIFO statistic: wcid=0x%02x, ok=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
4889 device_get_nameunit(sc->dev),
4890 wcid, ok, mcs, pid, retrycnt);
4891
4892 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
4893
4894 if (!ok)
4895 ifp->if_oerrors++;
4896 }
4897 }
4898
4899 /*
4900 * rt2860_update_raw_counters
4901 */
4902 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
4903 {
4904 uint32_t tmp;
4905
4906 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
4907
4908 sc->rx_crc_errors += tmp & 0xffff;
4909 sc->rx_phy_errors += tmp >> 16;
4910
4911 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
4912
4913 sc->rx_false_ccas += tmp & 0xffff;
4914 sc->rx_plcp_errors += tmp >> 16;
4915
4916 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
4917
4918 sc->rx_dup_packets += tmp & 0xffff;
4919 sc->rx_fifo_overflows += tmp >> 16;
4920 }
4921
4922 /*
4923 * rt2860_intr_enable
4924 */
4925 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
4926 {
4927 uint32_t tmp;
4928
4929 sc->intr_disable_mask &= ~intr_mask;
4930
4931 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
4932
4933 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
4934 }
4935
4936 /*
4937 * rt2860_intr_disable
4938 */
4939 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
4940 {
4941 uint32_t tmp;
4942
4943 sc->intr_disable_mask |= intr_mask;
4944
4945 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
4946
4947 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
4948 }
4949
4950 /*
4951 * rt2860_txrx_enable
4952 */
4953 static int rt2860_txrx_enable(struct rt2860_softc *sc)
4954 {
4955 struct ieee80211com *ic;
4956 struct ifnet *ifp;
4957 uint32_t tmp;
4958 int ntries;
4959
4960 ic = &sc->ic;
4961 ifp = ic->ic_ifp;
4962
4963 /* enable Tx/Rx DMA engine */
4964
4965 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
4966
4967 for (ntries = 0; ntries < 200; ntries++)
4968 {
4969 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4970 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
4971 break;
4972
4973 DELAY(1000);
4974 }
4975
4976 if (ntries == 200)
4977 {
4978 printf("%s: timeout waiting for DMA engine\n",
4979 device_get_nameunit(sc->dev));
4980 return -1;
4981 }
4982
4983 DELAY(50);
4984
4985 tmp |= RT2860_REG_TX_WB_DDONE |
4986 RT2860_REG_RX_DMA_ENABLE |
4987 RT2860_REG_TX_DMA_ENABLE |
4988 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
4989
4990 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4991
4992 /* set Rx filter */
4993
4994 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
4995 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
4996
4997 if (ic->ic_opmode != IEEE80211_M_MONITOR)
4998 {
4999 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5000 RT2860_REG_RX_FILTER_DROP_CTS |
5001 RT2860_REG_RX_FILTER_DROP_BA |
5002 RT2860_REG_RX_FILTER_DROP_ACK |
5003 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5004 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5005 RT2860_REG_RX_FILTER_DROP_CFACK |
5006 RT2860_REG_RX_FILTER_DROP_CFEND;
5007
5008 if (ic->ic_opmode == IEEE80211_M_STA)
5009 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5010 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5011
5012 if (!(ifp->if_flags & IFF_PROMISC))
5013 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5014 }
5015
5016 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5017
5018 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5019 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5020
5021 return 0;
5022 }
5023
5024 /*
5025 * rt2860_alloc_rx_ring
5026 */
5027 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5028 struct rt2860_softc_rx_ring *ring)
5029 {
5030 struct rt2860_rxdesc *desc;
5031 struct rt2860_softc_rx_data *data;
5032 bus_dma_segment_t segs[1];
5033 int i, nsegs, error;
5034
5035 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5036 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5037 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5038 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5039 0, NULL, NULL, &ring->desc_dma_tag);
5040 if (error != 0)
5041 {
5042 printf("%s: could not create Rx desc DMA tag\n",
5043 device_get_nameunit(sc->dev));
5044 goto fail;
5045 }
5046
5047 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5048 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5049 if (error != 0)
5050 {
5051 printf("%s: could not allocate Rx desc DMA memory\n",
5052 device_get_nameunit(sc->dev));
5053 goto fail;
5054 }
5055
5056 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5057 ring->desc,
5058 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5059 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5060 if (error != 0)
5061 {
5062 printf("%s: could not load Rx desc DMA map\n",
5063 device_get_nameunit(sc->dev));
5064 goto fail;
5065 }
5066
5067 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5068 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5069 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5070 &ring->data_dma_tag);
5071 if (error != 0)
5072 {
5073 printf("%s: could not create Rx data DMA tag\n",
5074 device_get_nameunit(sc->dev));
5075 goto fail;
5076 }
5077
5078 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5079 {
5080 desc = &ring->desc[i];
5081 data = &ring->data[i];
5082
5083 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5084 if (error != 0)
5085 {
5086 printf("%s: could not create Rx data DMA map\n",
5087 device_get_nameunit(sc->dev));
5088 goto fail;
5089 }
5090
5091 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5092 if (data->m == NULL)
5093 {
5094 printf("%s: could not allocate Rx mbuf\n",
5095 device_get_nameunit(sc->dev));
5096 error = ENOMEM;
5097 goto fail;
5098 }
5099
5100 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5101
5102 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5103 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5104 if (error != 0)
5105 {
5106 printf("%s: could not load Rx mbuf DMA map\n",
5107 device_get_nameunit(sc->dev));
5108 goto fail;
5109 }
5110
5111 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5112 device_get_name(sc->dev)));
5113
5114 desc->sdp0 = htole32(segs[0].ds_addr);
5115 desc->sdl0 = htole16(MJUMPAGESIZE);
5116 }
5117
5118 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5119 if (error != 0)
5120 {
5121 printf("%s: could not create Rx spare DMA map\n",
5122 device_get_nameunit(sc->dev));
5123 goto fail;
5124 }
5125
5126 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5127 BUS_DMASYNC_PREWRITE);
5128
5129 return 0;
5130
5131 fail:
5132
5133 rt2860_free_rx_ring(sc, ring);
5134
5135 return error;
5136 }
5137
5138 /*
5139 * rt2860_reset_rx_ring
5140 */
5141 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5142 struct rt2860_softc_rx_ring *ring)
5143 {
5144 struct rt2860_rxdesc *desc;
5145 int i;
5146
5147 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5148 {
5149 desc = &ring->desc[i];
5150
5151 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5152 }
5153
5154 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5155 BUS_DMASYNC_PREWRITE);
5156
5157 ring->cur = 0;
5158 }
5159
5160 /*
5161 * rt2860_free_rx_ring
5162 */
5163 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5164 struct rt2860_softc_rx_ring *ring)
5165 {
5166 struct rt2860_softc_rx_data *data;
5167 int i;
5168
5169 if (ring->desc != NULL)
5170 {
5171 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5172 BUS_DMASYNC_POSTWRITE);
5173 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5174 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5175 ring->desc_dma_map);
5176 }
5177
5178 if (ring->desc_dma_tag != NULL)
5179 bus_dma_tag_destroy(ring->desc_dma_tag);
5180
5181 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5182 {
5183 data = &ring->data[i];
5184
5185 if (data->m != NULL)
5186 {
5187 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5188 BUS_DMASYNC_POSTREAD);
5189 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5190 m_freem(data->m);
5191 }
5192
5193 if (data->dma_map != NULL)
5194 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5195 }
5196
5197 if (ring->spare_dma_map != NULL)
5198 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5199
5200 if (ring->data_dma_tag != NULL)
5201 bus_dma_tag_destroy(ring->data_dma_tag);
5202 }
5203
5204 /*
5205 * rt2860_alloc_tx_ring
5206 */
5207 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5208 struct rt2860_softc_tx_ring *ring, int qid)
5209 {
5210 struct rt2860_softc_tx_data *data;
5211 int error, i;
5212
5213 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5214 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5215 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5216 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5217 0, NULL, NULL, &ring->desc_dma_tag);
5218 if (error != 0)
5219 {
5220 printf("%s: could not create Tx desc DMA tag\n",
5221 device_get_nameunit(sc->dev));
5222 goto fail;
5223 }
5224
5225 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5226 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5227 if (error != 0)
5228 {
5229 printf("%s: could not allocate Tx desc DMA memory\n",
5230 device_get_nameunit(sc->dev));
5231 goto fail;
5232 }
5233
5234 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5235 ring->desc,
5236 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5237 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5238 if (error != 0)
5239 {
5240 printf("%s: could not load Tx desc DMA map\n",
5241 device_get_nameunit(sc->dev));
5242 goto fail;
5243 }
5244
5245 ring->desc_queued = 0;
5246 ring->desc_cur = 0;
5247 ring->desc_next = 0;
5248
5249 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5250 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5251 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5252 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5253 0, NULL, NULL, &ring->seg0_dma_tag);
5254 if (error != 0)
5255 {
5256 printf("%s: could not create Tx seg0 DMA tag\n",
5257 device_get_nameunit(sc->dev));
5258 goto fail;
5259 }
5260
5261 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5262 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5263 if (error != 0)
5264 {
5265 printf("%s: could not allocate Tx seg0 DMA memory\n",
5266 device_get_nameunit(sc->dev));
5267 goto fail;
5268 }
5269
5270 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5271 ring->seg0,
5272 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5273 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5274 if (error != 0)
5275 {
5276 printf("%s: could not load Tx seg0 DMA map\n",
5277 device_get_nameunit(sc->dev));
5278 goto fail;
5279 }
5280
5281 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5282 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5283 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5284 &ring->data_dma_tag);
5285 if (error != 0)
5286 {
5287 printf("%s: could not create Tx data DMA tag\n",
5288 device_get_nameunit(sc->dev));
5289 goto fail;
5290 }
5291
5292 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5293 {
5294 data = &ring->data[i];
5295
5296 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5297 if (error != 0)
5298 {
5299 printf("%s: could not create Tx data DMA map\n",
5300 device_get_nameunit(sc->dev));
5301 goto fail;
5302 }
5303 }
5304
5305 ring->data_queued = 0;
5306 ring->data_cur = 0;
5307 ring->data_next = 0;
5308
5309 ring->qid = qid;
5310
5311 return 0;
5312
5313 fail:
5314
5315 rt2860_free_tx_ring(sc, ring);
5316
5317 return error;
5318 }
5319
5320 /*
5321 * rt2860_reset_tx_ring
5322 */
5323 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5324 struct rt2860_softc_tx_ring *ring)
5325 {
5326 struct rt2860_softc_tx_data *data;
5327 struct rt2860_txdesc *desc;
5328 int i;
5329
5330 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5331 {
5332 desc = &ring->desc[i];
5333
5334 desc->sdl0 = 0;
5335 desc->sdl1 = 0;
5336 }
5337
5338 ring->desc_queued = 0;
5339 ring->desc_cur = 0;
5340 ring->desc_next = 0;
5341
5342 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5343 BUS_DMASYNC_PREWRITE);
5344
5345 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5346 BUS_DMASYNC_PREWRITE);
5347
5348 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5349 {
5350 data = &ring->data[i];
5351
5352 if (data->m != NULL)
5353 {
5354 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5355 BUS_DMASYNC_POSTWRITE);
5356 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5357 m_freem(data->m);
5358 data->m = NULL;
5359 }
5360
5361 if (data->ni != NULL)
5362 {
5363 ieee80211_free_node(data->ni);
5364 data->ni = NULL;
5365 }
5366 }
5367
5368 ring->data_queued = 0;
5369 ring->data_cur = 0;
5370 ring->data_next = 0;
5371 }
5372
5373 /*
5374 * rt2860_free_tx_ring
5375 */
5376 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5377 struct rt2860_softc_tx_ring *ring)
5378 {
5379 struct rt2860_softc_tx_data *data;
5380 int i;
5381
5382 if (ring->desc != NULL)
5383 {
5384 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5385 BUS_DMASYNC_POSTWRITE);
5386 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5387 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5388 ring->desc_dma_map);
5389 }
5390
5391 if (ring->desc_dma_tag != NULL)
5392 bus_dma_tag_destroy(ring->desc_dma_tag);
5393
5394 if (ring->seg0 != NULL)
5395 {
5396 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5397 BUS_DMASYNC_POSTWRITE);
5398 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5399 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5400 ring->seg0_dma_map);
5401 }
5402
5403 if (ring->seg0_dma_tag != NULL)
5404 bus_dma_tag_destroy(ring->seg0_dma_tag);
5405
5406 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5407 {
5408 data = &ring->data[i];
5409
5410 if (data->m != NULL)
5411 {
5412 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5413 BUS_DMASYNC_POSTWRITE);
5414 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5415 m_freem(data->m);
5416 }
5417
5418 if (data->ni != NULL)
5419 ieee80211_free_node(data->ni);
5420
5421 if (data->dma_map != NULL)
5422 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5423 }
5424
5425 if (ring->data_dma_tag != NULL)
5426 bus_dma_tag_destroy(ring->data_dma_tag);
5427 }
5428
5429 /*
5430 * rt2860_dma_map_addr
5431 */
5432 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5433 int nseg, int error)
5434 {
5435 if (error != 0)
5436 return;
5437
5438 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5439
5440 *(bus_addr_t *) arg = segs[0].ds_addr;
5441 }
5442
5443 /*
5444 * rt2860_sysctl_attach
5445 */
5446 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5447 {
5448 struct sysctl_ctx_list *ctx;
5449 struct sysctl_oid *tree;
5450 struct sysctl_oid *stats;
5451
5452 ctx = device_get_sysctl_ctx(sc->dev);
5453 tree = device_get_sysctl_tree(sc->dev);
5454
5455 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5456 "stats", CTLFLAG_RD, 0, "statistic");
5457
5458 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5459 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5460 "all interrupts");
5461
5462 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5463 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5464 "Tx coherent interrupts");
5465
5466 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5467 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5468 "Rx coherent interrupts");
5469
5470 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5471 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5472 "Tx/Rx coherent interrupts");
5473
5474 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5475 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5476 "FIFO statistic full interrupts");
5477
5478 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5479 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5480 "Rx interrupts");
5481
5482 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5483 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5484 "Rx delay interrupts");
5485
5486 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5487 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5488 "Tx MGMT interrupts");
5489
5490 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5491 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5492 "Tx HCCA interrupts");
5493
5494 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5495 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5496 "Tx AC3 interrupts");
5497
5498 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5499 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5500 "Tx AC2 interrupts");
5501
5502 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5503 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5504 "Tx AC1 interrupts");
5505
5506 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5507 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5508 "Tx AC0 interrupts");
5509
5510 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5511 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5512 "Tx delay interrupts");
5513
5514 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5515 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5516 "Pre-TBTT interrupts");
5517
5518 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5519 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5520 "TBTT interrupts");
5521
5522 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5523 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5524 "MCU command interrupts");
5525
5526 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5527 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5528 "auto wakeup interrupts");
5529
5530 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5531 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5532 "GP timer interrupts");
5533
5534 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5535 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5536 "Tx MGMT descriptors queued");
5537
5538 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5539 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5540 "Tx MGMT data queued");
5541
5542 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5543 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5544 "Tx HCCA descriptors queued");
5545
5546 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5547 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5548 "Tx HCCA data queued");
5549
5550 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5551 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5552 "Tx AC3 descriptors queued");
5553
5554 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5555 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5556 "Tx AC3 data queued");
5557
5558 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5559 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5560 "Tx AC2 descriptors queued");
5561
5562 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5563 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5564 "Tx AC2 data queued");
5565
5566 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5567 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5568 "Tx AC1 descriptors queued");
5569
5570 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5571 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5572 "Tx AC1 data queued");
5573
5574 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5575 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5576 "Tx AC0 descriptors queued");
5577
5578 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5579 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5580 "Tx AC0 data queued");
5581
5582 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5583 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5584 "Tx MGMT data queue full");
5585
5586 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5587 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5588 "Tx HCCA data queue full");
5589
5590 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5591 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5592 "Tx AC3 data queue full");
5593
5594 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5595 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5596 "Tx AC2 data queue full");
5597
5598 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5599 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5600 "Tx AC1 data queue full");
5601
5602 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5603 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5604 "Tx AC0 data queue full");
5605
5606 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5607 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5608 "Tx watchdog timeouts");
5609
5610 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5611 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
5612 "Tx defragmented packets");
5613
5614 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5615 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
5616 "no Tx descriptors available");
5617
5618 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5619 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5620 "Rx mbuf allocation errors");
5621
5622 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5623 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
5624 "Rx mbuf DMA mapping errors");
5625
5626 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5627 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5628 "Tx queue 0 not empty");
5629
5630 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5631 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5632 "Tx queue 1 not empty");
5633
5634 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5635 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5636 "Tx beacons");
5637
5638 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5639 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5640 "Tx successfull without retries");
5641
5642 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5643 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5644 "Tx successfull with retries");
5645
5646 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5647 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5648 "Tx failed");
5649
5650 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5651 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5652 "Tx non-aggregated");
5653
5654 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5655 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5656 "Tx aggregated");
5657
5658 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5659 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5660 "Tx A-MPDU");
5661
5662 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5663 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5664 "Rx packets");
5665
5666 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5667 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5668 "Rx A-MPDU");
5669
5670 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5671 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5672 "Rx A-MSDU");
5673
5674 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5675 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5676 "Rx CRC errors");
5677
5678 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5679 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5680 "Rx PHY errors");
5681
5682 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5683 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5684 "Rx false CCAs");
5685
5686 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5687 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5688 "Rx PLCP errors");
5689
5690 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5691 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5692 "Rx duplicate packets");
5693
5694 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5695 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5696 "Rx FIFO overflows");
5697 }
5698
5699 static device_method_t rt2860_dev_methods[] =
5700 {
5701 DEVMETHOD(device_probe, rt2860_probe),
5702 DEVMETHOD(device_attach, rt2860_attach),
5703 DEVMETHOD(device_detach, rt2860_detach),
5704 DEVMETHOD(device_shutdown, rt2860_shutdown),
5705 DEVMETHOD(device_suspend, rt2860_suspend),
5706 DEVMETHOD(device_resume, rt2860_resume),
5707 { 0, 0 }
5708 };
5709
5710 static driver_t rt2860_driver =
5711 {
5712 "rt2860",
5713 rt2860_dev_methods,
5714 sizeof(struct rt2860_softc)
5715 };
5716
5717 static devclass_t rt2860_dev_class;
5718
5719 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
5720
5721 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
5722 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860