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Remove BA ACK policy from QoS field for A-MPDU frames
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blob4d81df5773ea02a09a6b29bd1bfa014150e122e4
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_bbp_tuning(struct rt2860_softc *sc);
250
251 static void rt2860_watchdog(struct rt2860_softc *sc);
252
253 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
254
255 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
256
257 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
258
259 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
260
261 static int rt2860_txrx_enable(struct rt2860_softc *sc);
262
263 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
264 struct rt2860_softc_rx_ring *ring);
265
266 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
267 struct rt2860_softc_rx_ring *ring);
268
269 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
270 struct rt2860_softc_rx_ring *ring);
271
272 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
273 struct rt2860_softc_tx_ring *ring, int qid);
274
275 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
276 struct rt2860_softc_tx_ring *ring);
277
278 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
279 struct rt2860_softc_tx_ring *ring);
280
281 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
282 int nseg, int error);
283
284 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
285
286 /*
287 * Static variables
288 */
289
290 static const struct rt2860_pci_ident rt2860_pci_ids[] =
291 {
292 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
293 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
294 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
295 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
296 { 0, 0, NULL }
297 };
298
299 static const struct
300 {
301 uint32_t reg;
302 uint32_t val;
303 } rt2860_def_mac[] =
304 {
305 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
306 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
307 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
308 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
309 { RT2860_REG_SYS_CTRL, 0x00000000 },
310 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
311 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
312 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
313 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
314 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
315 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
316 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
317 { RT2860_REG_LED_CFG, 0x7f031e46 },
318 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
319 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
320 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
321 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
322 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
323 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
324 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
325 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
326 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
327 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
328 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
329 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
330 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
331 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
332 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
333 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
334 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
335 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
336 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
337 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
338 };
339
340 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
341
342 static const struct
343 {
344 uint8_t reg;
345 uint8_t val;
346 } rt2860_def_bbp[] =
347 {
348 { 65, 0x2c },
349 { 66, 0x38 },
350 { 69, 0x12 },
351 { 70, 0x0a },
352 { 73, 0x10 },
353 { 81, 0x37 },
354 { 82, 0x62 },
355 { 83, 0x6a },
356 { 84, 0x99 },
357 { 86, 0x00 },
358 { 91, 0x04 },
359 { 92, 0x00 },
360 { 103, 0x00 },
361 { 105, 0x05 },
362 { 106, 0x35 },
363 };
364
365 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
366
367 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
368
369 #ifdef RT2860_DEBUG
370 static int rt2860_debug = 0;
371 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
372 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
373 #endif
374
375 /*
376 * rt2860_probe
377 */
378 static int rt2860_probe(device_t dev)
379 {
380 const struct rt2860_pci_ident *ident;
381
382 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
383 {
384 if (pci_get_vendor(dev) == ident->vendor &&
385 pci_get_device(dev) == ident->device)
386 {
387 device_set_desc(dev, ident->name);
388 return 0;
389 }
390 }
391
392 return ENXIO;
393 }
394
395 /*
396 * rt2860_attach
397 */
398 static int rt2860_attach(device_t dev)
399 {
400 struct rt2860_softc *sc;
401 struct ifnet *ifp;
402 struct ieee80211com *ic;
403 int error, ntries, i;
404
405 sc = device_get_softc(dev);
406
407 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
408 {
409 printf("%s: chip is in D%d power mode, setting to D0\n",
410 device_get_nameunit(dev), pci_get_powerstate(dev));
411 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
412 }
413
414 /* enable bus-mastering */
415
416 pci_enable_busmaster(dev);
417
418 sc->dev = dev;
419
420 mtx_init(&sc->lock, device_get_nameunit(dev),
421 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
422
423 sc->mem_rid = PCIR_BAR(0);
424 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
425 &sc->mem_rid, RF_ACTIVE);
426 if (sc->mem == NULL)
427 {
428 printf("%s: could not allocate memory resource\n",
429 device_get_nameunit(dev));
430 error = ENXIO;
431 goto fail;
432 }
433
434 sc->bst = rman_get_bustag(sc->mem);
435 sc->bsh = rman_get_bushandle(sc->mem);
436
437 sc->irq_rid = 0;
438 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
439 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
440 if (sc->irq == NULL)
441 {
442 printf("%s: could not allocate interrupt resource\n",
443 device_get_nameunit(dev));
444 error = ENXIO;
445 goto fail;
446 }
447
448 #ifdef RT2860_DEBUG
449 sc->debug = rt2860_debug;
450
451 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
452 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
453 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
454 #endif
455
456 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
457 "%s: attaching\n",
458 device_get_nameunit(sc->dev));
459
460 /* wait for NIC to initialize */
461
462 for (ntries = 0; ntries < 100; ntries++)
463 {
464 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
465 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
466 break;
467
468 DELAY(10);
469 }
470
471 if (ntries == 100)
472 {
473 printf("%s: timeout waiting for NIC to initialize\n",
474 device_get_nameunit(dev));
475 error = EIO;
476 goto fail;
477 }
478
479 rt2860_read_eeprom(sc);
480
481 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
482 device_get_nameunit(sc->dev), sc->mac_rev,
483 rt2860_rf_name(sc->rf_rev));
484
485 /* allocate Tx and Rx rings */
486
487 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
488 {
489 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
490 if (error != 0)
491 {
492 printf("%s: could not allocate Tx ring #%d\n",
493 device_get_nameunit(sc->dev), i);
494 goto fail;
495 }
496 }
497
498 sc->tx_ring_mgtqid = 5;
499
500 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
501 if (error != 0)
502 {
503 printf("%s: could not allocate Rx ring\n",
504 device_get_nameunit(sc->dev));
505 goto fail;
506 }
507
508 callout_init(&sc->periodic_ch, 0);
509 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
510
511 ifp = sc->ifp = if_alloc(IFT_ETHER);
512 if (ifp == NULL)
513 {
514 printf("%s: could not if_alloc()\n",
515 device_get_nameunit(sc->dev));
516 error = ENOMEM;
517 goto fail;
518 }
519
520 ifp->if_softc = sc;
521
522 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
523
524 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
525
526 ifp->if_init = rt2860_init;
527 ifp->if_ioctl = rt2860_ioctl;
528 ifp->if_start = rt2860_start;
529
530 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
531 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
532 IFQ_SET_READY(&ifp->if_snd);
533
534 ic = &sc->ic;
535
536 ic->ic_ifp = ifp;
537
538 ic->ic_phytype = IEEE80211_T_HT;
539 ic->ic_opmode = IEEE80211_M_STA;
540 ic->ic_state = IEEE80211_S_INIT;
541
542 ic->ic_caps = IEEE80211_C_MONITOR |
543 IEEE80211_C_IBSS |
544 IEEE80211_C_AHDEMO |
545 IEEE80211_C_HOSTAP |
546 IEEE80211_C_WDS |
547 /* IEEE80211_C_BGSCAN | */
548 IEEE80211_C_TXPMGT |
549 IEEE80211_C_SHPREAMBLE |
550 IEEE80211_C_SHSLOT |
551 IEEE80211_C_TXFRAG |
552 IEEE80211_C_BURST |
553 IEEE80211_C_WME |
554 IEEE80211_C_WEP |
555 IEEE80211_C_TKIP |
556 IEEE80211_C_AES_CCM |
557 IEEE80211_C_WPA;
558
559 ic->ic_htcaps = IEEE80211_HTC_HT |
560 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
561 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
562 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
563 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
564 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
565 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
566 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
567 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
568
569 /* spatial streams */
570
571 if (sc->nrxpath == 2)
572 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
573 else if (sc->nrxpath == 3)
574 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
575 else
576 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
577
578 if (sc->ntxpath > 1)
579 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
580
581 /* delayed BA */
582
583 if (sc->mac_rev != 0x28600100)
584 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
585
586 /* init channels */
587
588 ic->ic_nchans = 0;
589 ic->ic_regdomain = 0;
590 ic->ic_countrycode = CTRY_DEFAULT;
591 ic->ic_location = 0;
592
593 rt2860_init_channels(sc);
594
595 rt2860_init_channels_ht40(sc);
596
597 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
598
599 ieee80211_ifattach(ic);
600
601 sc->newstate = ic->ic_newstate;
602 ic->ic_newstate = rt2860_newstate;
603
604 ic->ic_reset = rt2860_reset;
605 ic->ic_scan_start = rt2860_scan_start;
606 ic->ic_scan_end = rt2860_scan_end;
607 ic->ic_set_channel = rt2860_set_channel;
608 ic->ic_newassoc = rt2860_newassoc;
609 ic->ic_updateslot = rt2860_updateslot;
610 ic->ic_wme.wme_update = rt2860_wme_update;
611 ic->ic_update_beacon = rt2860_update_beacon;
612 ic->ic_crypto.cs_key_update_begin = rt2860_key_update_begin;
613 ic->ic_crypto.cs_key_update_end = rt2860_key_update_end;
614 ic->ic_crypto.cs_key_set = rt2860_key_set;
615 ic->ic_crypto.cs_key_delete = rt2860_key_delete;
616 ic->ic_raw_xmit = rt2860_raw_xmit;
617
618 sc->recv_action = ic->ic_recv_action;
619 ic->ic_recv_action = rt2860_recv_action;
620
621 sc->send_action = ic->ic_send_action;
622 ic->ic_send_action = rt2860_send_action;
623
624 /* hardware requires padding between 802.11 frame header and body */
625
626 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
627
628 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
629
630 ieee80211_media_init(ic, rt2860_media_change, ieee80211_media_status);
631
632 rt2860_amrr_init(&sc->amrr, ic,
633 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
634 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
635 500);
636
637 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
638 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
639 &sc->drvbpf);
640
641 sc->rxtap_len = sizeof(sc->rxtapu);
642 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
643 sc->rxtap.ihdr.it_present = htole32(RT2860_SOFTC_RX_RADIOTAP_PRESENT);
644
645 sc->txtap_len = sizeof(sc->txtapu);
646 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
647 sc->txtap.ihdr.it_present = htole32(RT2860_SOFTC_TX_RADIOTAP_PRESENT);
648
649 /* init task queue */
650
651 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
652 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
653 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
654 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
655
656 sc->rx_process_limit = 100;
657
658 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
659 taskqueue_thread_enqueue, &sc->taskqueue);
660
661 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
662 device_get_nameunit(sc->dev));
663
664 rt2860_sysctl_attach(sc);
665
666 if (bootverbose)
667 ieee80211_announce(ic);
668
669 /* set up interrupt */
670
671 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
672 NULL, rt2860_intr, sc, &sc->irqh);
673 if (error != 0)
674 {
675 printf("%s: could not set up interrupt\n",
676 device_get_nameunit(dev));
677 goto fail;
678 }
679
680 return 0;
681
682 fail:
683
684 /* free Tx and Rx rings */
685
686 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
687 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
688
689 rt2860_free_rx_ring(sc, &sc->rx_ring);
690
691 mtx_destroy(&sc->lock);
692
693 if (sc->mem != NULL)
694 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
695
696 if (sc->irq != NULL)
697 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
698
699 return error;
700 }
701
702 /*
703 * rt2860_detach
704 */
705 static int rt2860_detach(device_t dev)
706 {
707 struct rt2860_softc *sc;
708 struct ieee80211com *ic;
709 struct ifnet *ifp;
710 int i;
711
712 sc = device_get_softc(dev);
713 ic = &sc->ic;
714 ifp = ic->ic_ifp;
715
716 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
717 "%s: detaching\n",
718 device_get_nameunit(sc->dev));
719
720 RT2860_SOFTC_LOCK(sc);
721
722 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
723
724 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
725
726 callout_stop(&sc->periodic_ch);
727 callout_stop(&sc->tx_watchdog_ch);
728
729 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
730 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
731 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
732 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
733
734 /* free Tx and Rx rings */
735
736 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
737 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
738
739 rt2860_free_rx_ring(sc, &sc->rx_ring);
740
741 RT2860_SOFTC_UNLOCK(sc);
742
743 bpfdetach(ifp);
744
745 ieee80211_ifdetach(ic);
746
747 if_free(ifp);
748
749 taskqueue_free(sc->taskqueue);
750
751 mtx_destroy(&sc->lock);
752
753 bus_generic_detach(dev);
754
755 bus_teardown_intr(dev, sc->irq, sc->irqh);
756
757 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
758
759 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
760
761 return 0;
762 }
763
764 /*
765 * rt2860_shutdown
766 */
767 static int rt2860_shutdown(device_t dev)
768 {
769 struct rt2860_softc *sc;
770
771 sc = device_get_softc(dev);
772
773 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
774 "%s: shutting down\n",
775 device_get_nameunit(sc->dev));
776
777 rt2860_stop(sc);
778
779 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
780
781 return 0;
782 }
783
784 /*
785 * rt2860_suspend
786 */
787 static int rt2860_suspend(device_t dev)
788 {
789 struct rt2860_softc *sc;
790
791 sc = device_get_softc(dev);
792
793 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
794 "%s: suspending\n",
795 device_get_nameunit(sc->dev));
796
797 rt2860_stop(sc);
798
799 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
800
801 return 0;
802 }
803
804 /*
805 * rt2860_resume
806 */
807 static int rt2860_resume(device_t dev)
808 {
809 struct rt2860_softc *sc;
810 struct ifnet *ifp;
811
812 sc = device_get_softc(dev);
813 ifp = sc->ifp;
814
815 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
816 "%s: resuming\n",
817 device_get_nameunit(sc->dev));
818
819 if (ifp->if_flags & IFF_UP)
820 rt2860_init(sc);
821
822 return 0;
823 }
824
825 /*
826 * rt2860_init_channels
827 */
828 static void rt2860_init_channels(struct rt2860_softc *sc)
829 {
830 struct ieee80211com *ic;
831 struct ieee80211_channel *c;
832 int i, flags;
833
834 ic = &sc->ic;
835
836 /* set supported channels for 2GHz band */
837
838 for (i = 1; i <= 14; i++)
839 {
840 c = &ic->ic_channels[ic->ic_nchans++];
841 flags = IEEE80211_CHAN_B;
842
843 c->ic_freq = ieee80211_ieee2mhz(i, flags);
844 c->ic_ieee = i;
845 c->ic_flags = flags;
846
847 c = &ic->ic_channels[ic->ic_nchans++];
848 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
849
850 c->ic_freq = ieee80211_ieee2mhz(i, flags);
851 c->ic_ieee = i;
852 c->ic_flags = flags;
853
854 c = &ic->ic_channels[ic->ic_nchans++];
855 flags = IEEE80211_CHAN_G;
856
857 c->ic_freq = ieee80211_ieee2mhz(i, flags);
858 c->ic_ieee = i;
859 c->ic_flags = flags;
860
861 c = &ic->ic_channels[ic->ic_nchans++];
862 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
863
864 c->ic_freq = ieee80211_ieee2mhz(i, flags);
865 c->ic_ieee = i;
866 c->ic_flags = flags;
867 }
868
869 /* set supported channels for 5GHz band */
870
871 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
872 sc->rf_rev == RT2860_EEPROM_RF_2750)
873 {
874 for (i = 36; i <= 64; i += 4)
875 {
876 c = &ic->ic_channels[ic->ic_nchans++];
877 flags = IEEE80211_CHAN_A;
878
879 c->ic_freq = ieee80211_ieee2mhz(i, flags);
880 c->ic_ieee = i;
881 c->ic_flags = flags;
882
883 c = &ic->ic_channels[ic->ic_nchans++];
884 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
885
886 c->ic_freq = ieee80211_ieee2mhz(i, flags);
887 c->ic_ieee = i;
888 c->ic_flags = flags;
889 }
890
891 for (i = 100; i <= 140; i += 4)
892 {
893 c = &ic->ic_channels[ic->ic_nchans++];
894 flags = IEEE80211_CHAN_A;
895
896 c->ic_freq = ieee80211_ieee2mhz(i, flags);
897 c->ic_ieee = i;
898 c->ic_flags = flags;
899
900 c = &ic->ic_channels[ic->ic_nchans++];
901 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
902
903 c->ic_freq = ieee80211_ieee2mhz(i, flags);
904 c->ic_ieee = i;
905 c->ic_flags = flags;
906 }
907
908 for (i = 149; i <= 165; i += 4)
909 {
910 c = &ic->ic_channels[ic->ic_nchans++];
911 flags = IEEE80211_CHAN_A;
912
913 c->ic_freq = ieee80211_ieee2mhz(i, flags);
914 c->ic_ieee = i;
915 c->ic_flags = flags;
916
917 c = &ic->ic_channels[ic->ic_nchans++];
918 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
919
920 c->ic_freq = ieee80211_ieee2mhz(i, flags);
921 c->ic_ieee = i;
922 c->ic_flags = flags;
923 }
924 }
925 }
926
927 /*
928 * rt2860_init_channels_ht40
929 */
930 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
931 {
932 struct ieee80211com *ic;
933 struct ieee80211_channel *c, *cent, *ext;
934 int i, flags;
935
936 ic = &sc->ic;
937
938 /* set supported channels for 2GHz band */
939
940 for (i = 1; i <= 14; i++)
941 {
942 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
943
944 /* find the center channel */
945
946 cent = ieee80211_find_channel_byieee(ic, i,
947 flags & ~IEEE80211_CHAN_HT);
948 if (cent == NULL)
949 {
950 printf("%s: skip channel %d, could not find center channel\n",
951 device_get_nameunit(sc->dev), i);
952 continue;
953 }
954
955 /* find the extension channel */
956
957 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
958 flags & ~IEEE80211_CHAN_HT);
959 if (ext == NULL)
960 {
961 printf("%s: skip channel %d, could not find extension channel\n",
962 device_get_nameunit(sc->dev), i);
963 continue;
964 }
965
966 c = &ic->ic_channels[ic->ic_nchans++];
967
968 *c = *cent;
969 c->ic_extieee = ext->ic_ieee;
970 c->ic_flags &= ~IEEE80211_CHAN_HT;
971 c->ic_flags |= IEEE80211_CHAN_HT40U;
972
973 c = &ic->ic_channels[ic->ic_nchans++];
974
975 *c = *ext;
976 c->ic_extieee = cent->ic_ieee;
977 c->ic_flags &= ~IEEE80211_CHAN_HT;
978 c->ic_flags |= IEEE80211_CHAN_HT40D;
979 }
980
981 /* set supported channels for 5GHz band */
982
983 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
984 sc->rf_rev == RT2860_EEPROM_RF_2750)
985 {
986 for (i = 36; i <= 64; i += 4)
987 {
988 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
989
990 /* find the center channel */
991
992 cent = ieee80211_find_channel_byieee(ic, i,
993 flags & ~IEEE80211_CHAN_HT);
994 if (cent == NULL)
995 {
996 printf("%s: skip channel %d, could not find center channel\n",
997 device_get_nameunit(sc->dev), i);
998 continue;
999 }
1000
1001 /* find the extension channel */
1002
1003 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1004 flags & ~IEEE80211_CHAN_HT);
1005 if (ext == NULL)
1006 {
1007 printf("%s: skip channel %d, could not find extension channel\n",
1008 device_get_nameunit(sc->dev), i);
1009 continue;
1010 }
1011
1012 c = &ic->ic_channels[ic->ic_nchans++];
1013
1014 *c = *cent;
1015 c->ic_extieee = ext->ic_ieee;
1016 c->ic_flags &= ~IEEE80211_CHAN_HT;
1017 c->ic_flags |= IEEE80211_CHAN_HT40U;
1018
1019 c = &ic->ic_channels[ic->ic_nchans++];
1020
1021 *c = *ext;
1022 c->ic_extieee = cent->ic_ieee;
1023 c->ic_flags &= ~IEEE80211_CHAN_HT;
1024 c->ic_flags |= IEEE80211_CHAN_HT40D;
1025 }
1026
1027 for (i = 100; i <= 140; i += 4)
1028 {
1029 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1030
1031 /* find the center channel */
1032
1033 cent = ieee80211_find_channel_byieee(ic, i,
1034 flags & ~IEEE80211_CHAN_HT);
1035 if (cent == NULL)
1036 {
1037 printf("%s: skip channel %d, could not find center channel\n",
1038 device_get_nameunit(sc->dev), i);
1039 continue;
1040 }
1041
1042 /* find the extension channel */
1043
1044 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1045 flags & ~IEEE80211_CHAN_HT);
1046 if (ext == NULL)
1047 {
1048 printf("%s: skip channel %d, could not find extension channel\n",
1049 device_get_nameunit(sc->dev), i);
1050 continue;
1051 }
1052
1053 c = &ic->ic_channels[ic->ic_nchans++];
1054
1055 *c = *cent;
1056 c->ic_extieee = ext->ic_ieee;
1057 c->ic_flags &= ~IEEE80211_CHAN_HT;
1058 c->ic_flags |= IEEE80211_CHAN_HT40U;
1059
1060 c = &ic->ic_channels[ic->ic_nchans++];
1061
1062 *c = *ext;
1063 c->ic_extieee = cent->ic_ieee;
1064 c->ic_flags &= ~IEEE80211_CHAN_HT;
1065 c->ic_flags |= IEEE80211_CHAN_HT40D;
1066 }
1067
1068 for (i = 149; i <= 165; i += 4)
1069 {
1070 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1071
1072 /* find the center channel */
1073
1074 cent = ieee80211_find_channel_byieee(ic, i,
1075 flags & ~IEEE80211_CHAN_HT);
1076 if (cent == NULL)
1077 {
1078 printf("%s: skip channel %d, could not find center channel\n",
1079 device_get_nameunit(sc->dev), i);
1080 continue;
1081 }
1082
1083 /* find the extension channel */
1084
1085 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1086 flags & ~IEEE80211_CHAN_HT);
1087 if (ext == NULL)
1088 {
1089 printf("%s: skip channel %d, could not find extension channel\n",
1090 device_get_nameunit(sc->dev), i);
1091 continue;
1092 }
1093
1094 c = &ic->ic_channels[ic->ic_nchans++];
1095
1096 *c = *cent;
1097 c->ic_extieee = ext->ic_ieee;
1098 c->ic_flags &= ~IEEE80211_CHAN_HT;
1099 c->ic_flags |= IEEE80211_CHAN_HT40U;
1100
1101 c = &ic->ic_channels[ic->ic_nchans++];
1102
1103 *c = *ext;
1104 c->ic_extieee = cent->ic_ieee;
1105 c->ic_flags &= ~IEEE80211_CHAN_HT;
1106 c->ic_flags |= IEEE80211_CHAN_HT40D;
1107 }
1108 }
1109 }
1110
1111 /*
1112 * rt2860_init_locked
1113 */
1114 static void rt2860_init_locked(void *priv)
1115 {
1116 struct rt2860_softc *sc;
1117 struct ieee80211com *ic;
1118 struct ifnet *ifp;
1119 int error, i, ntries;
1120 uint32_t tmp, stacnt[6];
1121
1122 sc = priv;
1123 ic = &sc->ic;
1124 ifp = ic->ic_ifp;
1125
1126 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1127 "%s: initializing\n",
1128 device_get_nameunit(sc->dev));
1129
1130 RT2860_SOFTC_ASSERT_LOCKED(sc);
1131
1132 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1133 {
1134 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1135 "%s: loading 8051 microcode\n",
1136 device_get_nameunit(sc->dev));
1137
1138 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1139 if (error != 0)
1140 {
1141 printf("%s: could not load 8051 microcode\n",
1142 device_get_nameunit(sc->dev));
1143 goto fail;
1144 }
1145
1146 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1147 "%s: 8051 microcode was successfully loaded\n",
1148 device_get_nameunit(sc->dev));
1149
1150 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1151 }
1152
1153 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1154
1155 /* disable DMA engine */
1156
1157 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1158
1159 tmp &= 0xff0;
1160 tmp |= RT2860_REG_TX_WB_DDONE;
1161
1162 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1163
1164 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1165
1166 /* PBF hardware reset */
1167
1168 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1169 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1170
1171 /* wait while DMA engine is busy */
1172
1173 for (ntries = 0; ntries < 100; ntries++)
1174 {
1175 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1176 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1177 break;
1178
1179 DELAY(1000);
1180 }
1181
1182 if (ntries == 100)
1183 {
1184 printf("%s: timeout waiting for DMA engine\n",
1185 device_get_nameunit(sc->dev));
1186 goto fail;
1187 }
1188
1189 tmp &= 0xff0;
1190 tmp |= RT2860_REG_TX_WB_DDONE;
1191
1192 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1193
1194 /* reset Rx and Tx rings */
1195
1196 tmp = RT2860_REG_RST_IDX_RX |
1197 RT2860_REG_RST_IDX_TX_MGMT |
1198 RT2860_REG_RST_IDX_TX_HCCA |
1199 RT2860_REG_RST_IDX_TX_AC3 |
1200 RT2860_REG_RST_IDX_TX_AC2 |
1201 RT2860_REG_RST_IDX_TX_AC1 |
1202 RT2860_REG_RST_IDX_TX_AC0;
1203
1204 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1205
1206 /* PBF hardware reset */
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1209 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1210
1211 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1212
1213 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1214 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1215 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1216
1217 /* init Tx power per rate */
1218
1219 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1220 {
1221 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1222 continue;
1223
1224 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1225 sc->txpow_rate_20mhz[i]);
1226 }
1227
1228 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1229 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1230 rt2860_def_mac[i].val);
1231
1232 /* wait while MAC is busy */
1233
1234 for (ntries = 0; ntries < 100; ntries++)
1235 {
1236 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1237 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1238 break;
1239
1240 DELAY(1000);
1241 }
1242
1243 if (ntries == 100)
1244 {
1245 printf("%s: timeout waiting for MAC\n",
1246 device_get_nameunit(sc->dev));
1247 goto fail;
1248 }
1249
1250 /* clear Host to MCU mailbox */
1251
1252 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1253 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1254
1255 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1256 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1257
1258 DELAY(1000);
1259
1260 error = rt2860_init_bbp(sc);
1261 if (error != 0)
1262 goto fail;
1263
1264 /* set up maximum buffer sizes */
1265
1266 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1267
1268 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1269
1270 /* set mac address */
1271
1272 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1273
1274 rt2860_asic_set_macaddr(sc, ic->ic_myaddr);
1275
1276 /* clear statistic registers */
1277
1278 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1279 stacnt, sizeof(stacnt));
1280
1281 /* set RTS threshold */
1282
1283 rt2860_asic_update_rtsthreshold(sc);
1284
1285 /* set Tx power */
1286
1287 rt2860_asic_update_txpower(sc);
1288
1289 /* set up protection mode */
1290
1291 rt2860_asic_updateprot(sc);
1292
1293 /* clear key tables */
1294
1295 rt2860_asic_clear_keytables(sc);
1296
1297 /* clear beacon frame space (entries = 8, entry size = 512) */
1298
1299 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1300
1301 taskqueue_unblock(sc->taskqueue);
1302
1303 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1304
1305 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1306 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1307
1308 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1309 {
1310 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1311 sc->tx_ring[i].desc_phys_addr);
1312 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1313 RT2860_SOFTC_TX_RING_DESC_COUNT);
1314 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1315 }
1316
1317 /* init Rx ring */
1318
1319 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1320
1321 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1322 sc->rx_ring.desc_phys_addr);
1323 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1324 RT2860_SOFTC_RX_RING_DATA_COUNT);
1325 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1326 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1327
1328 /* wait while DMA engine is busy */
1329
1330 for (ntries = 0; ntries < 100; ntries++)
1331 {
1332 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1333 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1334 break;
1335
1336 DELAY(1000);
1337 }
1338
1339 if (ntries == 100)
1340 {
1341 printf("%s: timeout waiting for DMA engine\n",
1342 device_get_nameunit(sc->dev));
1343 goto fail;
1344 }
1345
1346 tmp &= 0xff0;
1347 tmp |= RT2860_REG_TX_WB_DDONE;
1348
1349 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1350
1351 /* disable interrupts mitigation */
1352
1353 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1354
1355 /* send LEDs operating mode to microcontroller */
1356
1357 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1358 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1359 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1360 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1361 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1362 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1363
1364 /* turn radio LED on */
1365
1366 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1367
1368 /* write vendor-specific BBP values (from EEPROM) */
1369
1370 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1371 {
1372 if (sc->bbp_eeprom[i].reg == 0x00 ||
1373 sc->bbp_eeprom[i].reg == 0xff)
1374 continue;
1375
1376 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1377 sc->bbp_eeprom[i].val);
1378 }
1379
1380 /*
1381 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1382 if (tmp & (1 << 2))
1383 {
1384 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1385 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1386 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1387
1388 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1389 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1390 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1391 }
1392 */
1393
1394 /* disable non-existing Rx chains */
1395
1396 tmp = rt2860_io_bbp_read(sc, 3);
1397
1398 tmp &= ~((1 << 4) | (1 << 3));
1399
1400 if (sc->nrxpath == 3)
1401 tmp |= (1 << 4);
1402 else if (sc->nrxpath == 2)
1403 tmp |= (1 << 3);
1404
1405 rt2860_io_bbp_write(sc, 3, tmp);
1406
1407 /* disable non-existing Tx chains */
1408
1409 tmp = rt2860_io_bbp_read(sc, 1);
1410
1411 tmp &= ~((1 << 4) | (1 << 3));
1412
1413 if (sc->ntxpath == 2)
1414 tmp |= (1 << 4);
1415
1416 rt2860_io_bbp_write(sc, 1, tmp);
1417
1418 /* set current channel */
1419
1420 rt2860_rf_set_chan(sc, ic->ic_curchan);
1421
1422 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1423 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1424 (48 << 16) | 96);
1425
1426 if ((sc->mac_rev & 0xffff) != 0x0101)
1427 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1428
1429 /* clear pending interrupts */
1430
1431 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1432
1433 /* enable interrupts */
1434
1435 tmp = RT2860_REG_INT_TX_COHERENT |
1436 RT2860_REG_INT_RX_COHERENT |
1437 RT2860_REG_INT_GP_TIMER |
1438 RT2860_REG_INT_AUTO_WAKEUP |
1439 RT2860_REG_INT_FIFO_STA_FULL |
1440 /*
1441 RT2860_REG_INT_PRE_TBTT |
1442 RT2860_REG_INT_TBTT |
1443 */
1444 RT2860_REG_INT_TXRX_COHERENT |
1445 RT2860_REG_INT_MCU_CMD |
1446 RT2860_REG_INT_TX_MGMT_DONE |
1447 RT2860_REG_INT_TX_HCCA_DONE |
1448 RT2860_REG_INT_TX_AC3_DONE |
1449 RT2860_REG_INT_TX_AC2_DONE |
1450 RT2860_REG_INT_TX_AC1_DONE |
1451 RT2860_REG_INT_TX_AC0_DONE |
1452 RT2860_REG_INT_RX_DONE;
1453
1454 sc->intr_enable_mask = tmp;
1455
1456 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1457
1458 if (rt2860_txrx_enable(sc) != 0)
1459 goto fail;
1460
1461 /* clear garbage interrupts */
1462
1463 tmp = rt2860_io_mac_read(sc, 0x1300);
1464
1465 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1466 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1467
1468 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1469 {
1470 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1471 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1472 }
1473 else
1474 {
1475 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1476 }
1477
1478 sc->periodic_round = 0;
1479
1480 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1481
1482 return;
1483
1484 fail:
1485
1486 rt2860_stop_locked(sc);
1487 }
1488
1489 /*
1490 * rt2860_init
1491 */
1492 static void rt2860_init(void *priv)
1493 {
1494 struct rt2860_softc *sc;
1495
1496 sc = priv;
1497
1498 RT2860_SOFTC_LOCK(sc);
1499
1500 rt2860_init_locked(sc);
1501
1502 RT2860_SOFTC_UNLOCK(sc);
1503 }
1504
1505 /*
1506 * rt2860_init_bbp
1507 */
1508 static int rt2860_init_bbp(struct rt2860_softc *sc)
1509 {
1510 int ntries, i;
1511 uint8_t tmp;
1512
1513 for (ntries = 0; ntries < 20; ntries++)
1514 {
1515 tmp = rt2860_io_bbp_read(sc, 0);
1516 if (tmp != 0x00 && tmp != 0xff)
1517 break;
1518 }
1519
1520 if (tmp == 0x00 || tmp == 0xff)
1521 {
1522 printf("%s: timeout waiting for BBP to wakeup\n",
1523 device_get_nameunit(sc->dev));
1524 return ETIMEDOUT;
1525 }
1526
1527 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1528 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1529 rt2860_def_bbp[i].val);
1530
1531 if ((sc->mac_rev & 0xffff) != 0x0101)
1532 rt2860_io_bbp_write(sc, 84, 0x19);
1533
1534 return 0;
1535 }
1536
1537 /*
1538 * rt2860_stop_locked
1539 */
1540 static void rt2860_stop_locked(void *priv)
1541 {
1542 struct rt2860_softc *sc;
1543 struct ieee80211com *ic;
1544 struct ifnet *ifp;
1545 uint32_t tmp;
1546
1547 sc = priv;
1548 ic = &sc->ic;
1549 ifp = ic->ic_ifp;
1550
1551 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1552 "%s: stopping\n",
1553 device_get_nameunit(sc->dev));
1554
1555 RT2860_SOFTC_ASSERT_LOCKED(sc);
1556
1557 sc->tx_timer = 0;
1558
1559 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1560 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1561
1562 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1563
1564 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1565
1566 callout_stop(&sc->periodic_ch);
1567 callout_stop(&sc->tx_watchdog_ch);
1568
1569 RT2860_SOFTC_UNLOCK(sc);
1570
1571 taskqueue_block(sc->taskqueue);
1572
1573 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1574 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1575 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1576 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1577
1578 RT2860_SOFTC_LOCK(sc);
1579
1580 /* clear key tables */
1581
1582 rt2860_asic_clear_keytables(sc);
1583
1584 /* disable interrupts */
1585
1586 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1587
1588 /* disable Tx/Rx */
1589
1590 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1591
1592 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1593
1594 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1595
1596 /* reset adapter */
1597
1598 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1599 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1600 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1601 }
1602
1603 /*
1604 * rt2860_stop
1605 */
1606 static void rt2860_stop(void *priv)
1607 {
1608 struct rt2860_softc *sc;
1609
1610 sc = priv;
1611
1612 RT2860_SOFTC_LOCK(sc);
1613
1614 rt2860_stop_locked(sc);
1615
1616 RT2860_SOFTC_UNLOCK(sc);
1617 }
1618
1619 /*
1620 * rt2860_start
1621 */
1622 static void rt2860_start(struct ifnet *ifp)
1623 {
1624 struct rt2860_softc *sc;
1625 struct ieee80211com *ic;
1626 struct ieee80211_node *ni;
1627 struct ether_header *eh;
1628 struct mbuf *m;
1629 int qid;
1630
1631 sc = ifp->if_softc;
1632 ic = &sc->ic;
1633
1634 RT2860_SOFTC_LOCK(sc);
1635
1636 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1637 {
1638 RT2860_SOFTC_UNLOCK(sc);
1639 return;
1640 }
1641
1642 for (;;)
1643 {
1644 IF_POLL(&ic->ic_mgtq, m);
1645 if (m != NULL)
1646 {
1647 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1648 {
1649 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1650 "%s: if_start: Tx ring with qid=%d is full\n",
1651 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1652
1653 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1654
1655 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1656
1657 break;
1658 }
1659
1660 IF_DEQUEUE(&ic->ic_mgtq, m);
1661
1662 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1663 m->m_pkthdr.rcvif = NULL;
1664
1665 if (bpf_peers_present(ic->ic_rawbpf))
1666 bpf_mtap(ic->ic_rawbpf, m);
1667
1668 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1669 break;
1670
1671 rt2860_drain_fifo_stats(sc);
1672 }
1673 else
1674 {
1675 if (ic->ic_state != IEEE80211_S_RUN)
1676 break;
1677
1678 IF_POLL(&ifp->if_snd, m);
1679 if (m == NULL)
1680 break;
1681
1682 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1683
1684 if (ic->ic_flags & IEEE80211_F_SCAN)
1685 ieee80211_cancel_scan(ic);
1686
1687 if (m->m_len < sizeof(struct ether_header) &&
1688 !(m = m_pullup(m, sizeof (struct ether_header))))
1689 continue;
1690
1691 eh = mtod(m, struct ether_header *);
1692
1693 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1694 if (ni == NULL)
1695 {
1696 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1697 "%s: if_start: could not find Tx node\n",
1698 device_get_nameunit(sc->dev));
1699
1700 m_freem(m);
1701 continue;
1702 }
1703
1704 ieee80211_classify(ic, m, ni);
1705
1706 qid = M_WME_GETAC(m);
1707
1708 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1709 {
1710 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1711 "%s: if_start: Tx ring with qid=%d is full\n",
1712 device_get_nameunit(sc->dev), qid);
1713
1714 m_freem(m);
1715 ieee80211_free_node(ni);
1716
1717 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1718 ifp->if_oerrors++;
1719
1720 sc->tx_data_queue_full[qid]++;
1721
1722 break;
1723 }
1724
1725 BPF_MTAP(ifp, m);
1726
1727 m = ieee80211_encap(ic, m, ni);
1728 if (m == NULL)
1729 {
1730 ieee80211_free_node(ni);
1731 ifp->if_oerrors++;
1732 continue;
1733 }
1734
1735 if (bpf_peers_present(ic->ic_rawbpf))
1736 bpf_mtap(ic->ic_rawbpf, m);
1737
1738 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1739 {
1740 ieee80211_free_node(ni);
1741
1742 ifp->if_oerrors++;
1743
1744 break;
1745 }
1746
1747 rt2860_drain_fifo_stats(sc);
1748 }
1749
1750 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1751
1752 ic->ic_lastdata = ticks;
1753
1754 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1755 }
1756
1757 RT2860_SOFTC_UNLOCK(sc);
1758 }
1759
1760 /*
1761 * rt2860_ioctl
1762 */
1763 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1764 {
1765 struct rt2860_softc *sc;
1766 struct ieee80211com *ic;
1767 int error;
1768
1769 sc = ifp->if_softc;
1770 ic = &sc->ic;
1771
1772 error = 0;
1773
1774 switch (cmd)
1775 {
1776 case SIOCSIFFLAGS:
1777 RT2860_SOFTC_LOCK(sc);
1778
1779 if (ifp->if_flags & IFF_UP)
1780 {
1781 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1782 {
1783 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1784 rt2860_asic_update_promisc(sc);
1785 }
1786 else
1787 {
1788 rt2860_init_locked(sc);
1789 }
1790 }
1791 else
1792 {
1793 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1794 rt2860_stop_locked(sc);
1795 }
1796
1797 sc->if_flags = ifp->if_flags;
1798
1799 RT2860_SOFTC_UNLOCK(sc);
1800 break;
1801
1802 default:
1803 error = ieee80211_ioctl(ic, cmd, data);
1804 }
1805
1806 if (error == ENETRESET)
1807 {
1808 RT2860_SOFTC_LOCK(sc);
1809
1810 if ((ifp->if_flags & IFF_UP) &&
1811 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1812 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1813 {
1814 rt2860_stop_locked(sc);
1815 rt2860_init_locked(sc);
1816 }
1817
1818 RT2860_SOFTC_UNLOCK(sc);
1819
1820 error = 0;
1821 }
1822
1823 return error;
1824 }
1825
1826 /*
1827 * rt2860_reset
1828 */
1829 static int rt2860_reset(struct ifnet *ifp)
1830 {
1831 struct rt2860_softc *sc;
1832 struct ieee80211com *ic;
1833
1834 sc = ifp->if_softc;
1835 ic = &sc->ic;
1836
1837 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1838 return ENETRESET;
1839
1840 rt2860_rf_set_chan(sc, ic->ic_curchan);
1841
1842 return 0;
1843 }
1844
1845 /*
1846 * rt2860_newstate
1847 */
1848 static int rt2860_newstate(struct ieee80211com *ic,
1849 enum ieee80211_state nstate, int arg)
1850 {
1851 struct rt2860_softc *sc;
1852 struct ifnet *ifp;
1853 struct ieee80211_node *ni;
1854 int error;
1855
1856 ifp = ic->ic_ifp;
1857 sc = ifp->if_softc;
1858
1859 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1860 "%s: newstate: %s -> %s\n",
1861 device_get_nameunit(sc->dev),
1862 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1863
1864 error = sc->newstate(ic, nstate, arg);
1865 if (error != 0)
1866 return error;
1867
1868 RT2860_SOFTC_LOCK(sc);
1869
1870 /* turn link LED off */
1871
1872 if (nstate != IEEE80211_S_RUN)
1873 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1874
1875 switch (nstate)
1876 {
1877 case IEEE80211_S_INIT:
1878 rt2860_asic_disable_tsf_sync(sc);
1879 break;
1880
1881 case IEEE80211_S_RUN:
1882 ni = ic->ic_bss;
1883
1884 rt2860_rf_set_chan(sc, ni->ni_chan);
1885
1886 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1887 {
1888 rt2860_asic_enable_mrr(sc);
1889 rt2860_asic_set_txpreamble(sc);
1890 rt2860_asic_set_basicrates(sc);
1891 rt2860_asic_update_txpower(sc);
1892 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1893 }
1894
1895 if (ic->ic_opmode == IEEE80211_M_STA)
1896 rt2860_newassoc(ni, 1);
1897
1898 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1899 ic->ic_opmode == IEEE80211_M_IBSS)
1900 {
1901 error = rt2860_asic_update_beacon(sc);
1902 if (error != 0)
1903 break;
1904 }
1905
1906 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1907 rt2860_asic_enable_tsf_sync(sc);
1908
1909 /* turn link LED on */
1910
1911 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1912 {
1913 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1914 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1915 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1916 }
1917 break;
1918
1919 default:
1920 break;
1921 }
1922
1923 RT2860_SOFTC_UNLOCK(sc);
1924
1925 return error;
1926 }
1927
1928 /*
1929 * rt2860_scan_start
1930 */
1931 static void rt2860_scan_start(struct ieee80211com *ic)
1932 {
1933 struct rt2860_softc *sc;
1934 struct ifnet *ifp;
1935
1936 ifp = ic->ic_ifp;
1937 sc = ifp->if_softc;
1938
1939 rt2860_asic_disable_tsf_sync(sc);
1940 }
1941
1942 /*
1943 * rt2860_scan_end
1944 */
1945 static void rt2860_scan_end(struct ieee80211com *ic)
1946 {
1947 struct rt2860_softc *sc;
1948 struct ifnet *ifp;
1949
1950 ifp = ic->ic_ifp;
1951 sc = ifp->if_softc;
1952
1953 rt2860_asic_enable_tsf_sync(sc);
1954 }
1955
1956 /*
1957 * rt2860_set_channel
1958 */
1959 static void rt2860_set_channel(struct ieee80211com *ic)
1960 {
1961 struct rt2860_softc *sc;
1962 struct ifnet *ifp;
1963
1964 ifp = ic->ic_ifp;
1965 sc = ifp->if_softc;
1966
1967 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
1968 "%s: set channel: channel=%u, HT%s%s\n",
1969 device_get_nameunit(sc->dev),
1970 ieee80211_chan2ieee(ic, ic->ic_curchan),
1971 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
1972 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
1973 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
1974 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
1975
1976 RT2860_SOFTC_LOCK(sc);
1977
1978 rt2860_rf_set_chan(sc, ic->ic_curchan);
1979
1980 RT2860_SOFTC_UNLOCK(sc);
1981 }
1982
1983 /*
1984 * rt2860_newassoc
1985 */
1986 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
1987 {
1988 struct rt2860_softc *sc;
1989 struct ieee80211com *ic;
1990 struct ifnet *ifp;
1991 uint16_t associd;
1992 uint8_t wcid;
1993
1994 ic = ni->ni_ic;
1995 ifp = ic->ic_ifp;
1996 sc = ifp->if_softc;
1997
1998 associd = (ni != NULL) ? ni->ni_associd : 0;
1999 wcid = RT2860_AID2WCID(associd);
2000
2001 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2002 "%s: new association: wcid=0x%02x, "
2003 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2004 device_get_nameunit(sc->dev), wcid,
2005 ether_sprintf(ni->ni_macaddr),
2006 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2007 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2008 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2009
2010 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2011 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2012
2013 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2014
2015 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2016 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2017 device_get_nameunit(sc->dev),
2018 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2019 ni->ni_associd,
2020 (ni->ni_flags & IEEE80211_NODE_HT) ?
2021 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2022 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2023 (ni->ni_flags & IEEE80211_NODE_HT) ?
2024 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2025 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2026
2027 rt2860_asic_updateprot(sc);
2028 rt2860_asic_updateslot(sc);
2029 rt2860_asic_set_txpreamble(sc);
2030 }
2031
2032 /*
2033 * rt2860_updateslot
2034 */
2035 static void rt2860_updateslot(struct ifnet *ifp)
2036 {
2037 struct rt2860_softc *sc;
2038
2039 sc = ifp->if_softc;
2040
2041 rt2860_asic_updateslot(sc);
2042 }
2043
2044 /*
2045 * rt2860_wme_update
2046 */
2047 static int rt2860_wme_update(struct ieee80211com *ic)
2048 {
2049 struct rt2860_softc *sc;
2050 struct ifnet *ifp;
2051
2052 ifp = ic->ic_ifp;
2053 sc = ifp->if_softc;
2054
2055 rt2860_asic_wme_update(sc);
2056
2057 return 0;
2058 }
2059
2060 /*
2061 * rt2860_update_beacon
2062 */
2063 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2064 {
2065 struct rt2860_softc *sc;
2066 struct ifnet *ifp;
2067
2068 ifp = ic->ic_ifp;
2069 sc = ifp->if_softc;
2070
2071 rt2860_asic_update_beacon(sc);
2072 }
2073
2074 /*
2075 * rt2860_key_update_begin
2076 */
2077 static void rt2860_key_update_begin(struct ieee80211com *ic)
2078 {
2079 struct rt2860_softc *sc;
2080 struct ifnet *ifp;
2081
2082 ifp = ic->ic_ifp;
2083 sc = ifp->if_softc;
2084
2085 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2086 "%s: key update begin\n",
2087 device_get_nameunit(sc->dev));
2088
2089 taskqueue_block(sc->taskqueue);
2090
2091 IF_LOCK(&ifp->if_snd);
2092 }
2093
2094 /*
2095 * rt2860_key_update_end
2096 */
2097 static void rt2860_key_update_end(struct ieee80211com *ic)
2098 {
2099 struct rt2860_softc *sc;
2100 struct ifnet *ifp;
2101
2102 ifp = ic->ic_ifp;
2103 sc = ifp->if_softc;
2104
2105 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2106 "%s: key update end\n",
2107 device_get_nameunit(sc->dev));
2108
2109 IF_UNLOCK(&ifp->if_snd);
2110
2111 taskqueue_unblock(sc->taskqueue);
2112 }
2113
2114 /*
2115 * rt2860_key_set
2116 */
2117 static int rt2860_key_set(struct ieee80211com *ic,
2118 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2119 {
2120 struct rt2860_softc *sc;
2121 struct ifnet *ifp;
2122 struct ieee80211_node *ni;
2123 uint16_t associd, key_base, keymode_base;
2124 uint8_t mode, vapid, wcid, iv[8];
2125 uint32_t tmp;
2126
2127 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2128 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2129 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2130 return EINVAL;
2131
2132 ifp = ic->ic_ifp;
2133 sc = ifp->if_softc;
2134
2135 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2136 ni = ic->ic_bss;
2137 else
2138 ni = ieee80211_find_node(&ic->ic_sta, mac);
2139
2140 associd = (ni != NULL) ? ni->ni_associd : 0;
2141
2142 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2143 ieee80211_free_node(ni);
2144
2145 switch (k->wk_cipher->ic_cipher)
2146 {
2147 case IEEE80211_CIPHER_WEP:
2148 if(k->wk_keylen < 8)
2149 mode = RT2860_REG_CIPHER_MODE_WEP40;
2150 else
2151 mode = RT2860_REG_CIPHER_MODE_WEP104;
2152 break;
2153
2154 case IEEE80211_CIPHER_TKIP:
2155 mode = RT2860_REG_CIPHER_MODE_TKIP;
2156 break;
2157
2158 case IEEE80211_CIPHER_AES_CCM:
2159 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2160 break;
2161
2162 default:
2163 return EINVAL;
2164 }
2165
2166 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2167 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2168 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2169 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2170
2171 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2172 {
2173 /* install pairwise key */
2174
2175 vapid = 0;
2176 wcid = RT2860_AID2WCID(associd);
2177 key_base = RT2860_REG_PKEY(wcid);
2178
2179 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2180 {
2181 memset(iv, 0, 8);
2182
2183 iv[3] = (k->wk_keyix << 6);
2184 }
2185 else
2186 {
2187 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2188 {
2189 iv[0] = (k->wk_keytsc >> 8);
2190 iv[1] = ((iv[0] | 0x20) & 0x7f);
2191 iv[2] = k->wk_keytsc;
2192 }
2193 else
2194 {
2195 /* AES CCMP */
2196
2197 iv[0] = k->wk_keytsc;
2198 iv[1] = k->wk_keytsc >> 8;
2199 iv[2] = 0;
2200 }
2201
2202 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2203 iv[4] = (k->wk_keytsc >> 16);
2204 iv[5] = (k->wk_keytsc >> 24);
2205 iv[6] = (k->wk_keytsc >> 32);
2206 iv[7] = (k->wk_keytsc >> 40);
2207
2208 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2209 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2210 device_get_nameunit(sc->dev),
2211 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2212 }
2213
2214 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2215
2216 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2217 {
2218 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2219
2220 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2221 {
2222 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2223 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2224 }
2225 else
2226 {
2227 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2228 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2229 }
2230 }
2231 else
2232 {
2233 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2234 }
2235
2236 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2237 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2238
2239 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2240 }
2241
2242 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2243 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2244 {
2245 /* install group key */
2246
2247 vapid = 0;
2248 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2249 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2250
2251 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2252 {
2253 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2254
2255 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2256 {
2257 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2258 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2259 }
2260 else
2261 {
2262 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2263 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2264 }
2265 }
2266 else
2267 {
2268 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2269 }
2270
2271 tmp = rt2860_io_mac_read(sc, keymode_base);
2272
2273 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2274 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2275
2276 rt2860_io_mac_write(sc, keymode_base, tmp);
2277 }
2278
2279 return 1;
2280 }
2281
2282 /*
2283 * rt2860_key_delete
2284 */
2285 static int rt2860_key_delete(struct ieee80211com *ic,
2286 const struct ieee80211_key *k)
2287 {
2288 struct rt2860_softc *sc;
2289 struct ieee80211_node *ni;
2290 uint16_t associd;
2291 uint8_t vapid, wcid;
2292 uint32_t tmp;
2293
2294 sc = ic->ic_ifp->if_softc;
2295 ni = ic->ic_bss;
2296 associd = (ni != NULL) ? ni->ni_associd : 0;
2297
2298 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2299 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2300 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2301 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2302
2303 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2304 {
2305 /* remove pairwise key */
2306
2307 vapid = 0;
2308 wcid = RT2860_AID2WCID(associd);
2309
2310 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2311 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2312
2313 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2314 }
2315 else
2316 {
2317 /* remove group key */
2318
2319 vapid = 0;
2320
2321 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2322
2323 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2324 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2325
2326 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2327 }
2328
2329 return 1;
2330 }
2331
2332 /*
2333 * rt2860_raw_xmit
2334 */
2335 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2336 const struct ieee80211_bpf_params *params)
2337 {
2338 return 0;
2339 }
2340
2341 /*
2342 * rt2860_media_change
2343 */
2344 static int rt2860_media_change(struct ifnet *ifp)
2345 {
2346 struct rt2860_softc *sc;
2347 int error;
2348
2349 sc = ifp->if_softc;
2350
2351 error = ieee80211_media_change(ifp);
2352 if (error != ENETRESET)
2353 return error;
2354
2355 RT2860_SOFTC_LOCK(sc);
2356
2357 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2358 {
2359 rt2860_stop_locked(sc);
2360 rt2860_init_locked(sc);
2361 }
2362
2363 RT2860_SOFTC_UNLOCK(sc);
2364
2365 return 0;
2366 }
2367
2368 /*
2369 * rt2860_recv_action
2370 */
2371 static void rt2860_recv_action(struct ieee80211_node *ni,
2372 const uint8_t *frm, const uint8_t *efrm)
2373 {
2374 struct rt2860_softc *sc;
2375 struct ieee80211com *ic;
2376 struct ifnet *ifp;
2377 const struct ieee80211_action *ia;
2378 uint16_t associd, status, baparamset;
2379 uint8_t wcid;
2380 int tid, bufsize;
2381 uint32_t tmp;
2382
2383 ic = ni->ni_ic;
2384 ifp = ic->ic_ifp;
2385 sc = ifp->if_softc;
2386
2387 ia = (const struct ieee80211_action *) frm;
2388
2389 sc->recv_action(ni, frm, efrm);
2390
2391 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2392 return;
2393
2394 associd = (ni != NULL) ? ni->ni_associd : 0;
2395 wcid = RT2860_AID2WCID(associd);
2396
2397 switch (ia->ia_action)
2398 {
2399 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2400 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2401 baparamset = LE_READ_2(frm + 3);
2402 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2403 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2404
2405 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2406 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2407 device_get_nameunit(sc->dev), associd, tid, bufsize);
2408
2409 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2410
2411 tmp |= (0x10000 << tid);
2412
2413 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2414 break;
2415
2416 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2417 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2418 status = LE_READ_2(frm + 3);
2419 baparamset = LE_READ_2(frm + 4);
2420 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2421 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2422
2423 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2424 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2425 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2426
2427 if (status == IEEE80211_STATUS_SUCCESS)
2428 {
2429 sc->tx_ampdu_sessions++;
2430
2431 rt2860_asic_updateprot(sc);
2432 }
2433 break;
2434
2435 /* IEEE80211_ACTION_BA_DELBA */
2436 case IEEE80211_ACTION_BA_DELBA:
2437 baparamset = LE_READ_2(frm + 2);
2438 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2439
2440 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2441 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2442 device_get_nameunit(sc->dev), associd, tid);
2443
2444 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2445
2446 tmp &= ~(0x10000 << tid);
2447
2448 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2449 break;
2450 }
2451 }
2452
2453 /*
2454 * rt2860_send_action
2455 */
2456 static int rt2860_send_action(struct ieee80211_node *ni,
2457 int category, int action, uint16_t args[4])
2458 {
2459 struct rt2860_softc *sc;
2460 struct ieee80211com *ic;
2461 struct ifnet *ifp;
2462 uint16_t associd, baparamset;
2463 uint8_t wcid;
2464 int ret, tid;
2465 uint32_t tmp;
2466
2467 ic = ni->ni_ic;
2468 ifp = ic->ic_ifp;
2469 sc = ifp->if_softc;
2470
2471 ret = sc->send_action(ni, category, action, args);
2472
2473 if (category != IEEE80211_ACTION_CAT_BA)
2474 return ret;
2475
2476 associd = (ni != NULL) ? ni->ni_associd : 0;
2477 wcid = RT2860_AID2WCID(associd);
2478
2479 switch (action)
2480 {
2481 /* IEEE80211_ACTION_BA_DELBA */
2482 case IEEE80211_ACTION_BA_DELBA:
2483 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2484
2485 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2486
2487 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2488 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2489 device_get_nameunit(sc->dev), associd, tid);
2490
2491 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2492 {
2493 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2494
2495 tmp &= ~(0x10000 << tid);
2496
2497 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2498 }
2499 else
2500 {
2501 sc->tx_ampdu_sessions--;
2502
2503 rt2860_asic_updateprot(sc);
2504 }
2505 break;
2506 }
2507
2508 return ret;
2509 }
2510
2511 /*
2512 * rt2860_amrr_update_iter_func
2513 */
2514 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2515 {
2516 struct rt2860_softc *sc;
2517 struct ieee80211com *ic;
2518 uint8_t wcid;
2519
2520 sc = arg;
2521 ic = &sc->ic;
2522
2523 /* only associated stations */
2524
2525 if (ni->ni_associd != 0)
2526 {
2527 wcid = RT2860_AID2WCID(ni->ni_associd);
2528
2529 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2530 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2531 device_get_nameunit(sc->dev),
2532 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2533
2534 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2535
2536 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2537 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2538 device_get_nameunit(sc->dev),
2539 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2540 ni->ni_associd,
2541 (ni->ni_flags & IEEE80211_NODE_HT) ?
2542 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2543 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2544 (ni->ni_flags & IEEE80211_NODE_HT) ?
2545 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2546 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2547 }
2548 }
2549
2550 /*
2551 * rt2860_periodic
2552 */
2553 static void rt2860_periodic(void *arg)
2554 {
2555 struct rt2860_softc *sc;
2556
2557 sc = arg;
2558
2559 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2560 "%s: periodic\n",
2561 device_get_nameunit(sc->dev));
2562
2563 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2564 }
2565
2566 /*
2567 * rt2860_tx_watchdog
2568 */
2569 static void rt2860_tx_watchdog(void *arg)
2570 {
2571 struct rt2860_softc *sc;
2572 struct ifnet *ifp;
2573
2574 sc = arg;
2575 ifp = sc->ifp;
2576
2577 if (sc->tx_timer == 0)
2578 return;
2579
2580 if (--sc->tx_timer == 0)
2581 {
2582 printf("%s: Tx watchdog timeout: resetting\n",
2583 device_get_nameunit(sc->dev));
2584
2585 rt2860_stop_locked(sc);
2586 rt2860_init_locked(sc);
2587
2588 ifp->if_oerrors++;
2589
2590 sc->tx_watchdog_timeouts++;
2591 }
2592
2593 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2594 }
2595
2596 /*
2597 * rt2860_asic_set_bssid
2598 */
2599 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2600 const uint8_t *bssid)
2601 {
2602 uint32_t tmp;
2603
2604 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2605 "%s: set bssid: bssid=%s\n",
2606 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2607
2608 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2609
2610 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2611
2612 tmp = bssid[4] | (bssid[5] << 8);
2613
2614 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2615 }
2616
2617 /*
2618 * rt2860_asic_set_macaddr
2619 */
2620 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2621 const uint8_t *addr)
2622 {
2623 uint32_t tmp;
2624
2625 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2626
2627 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2628
2629 tmp = addr[4] | (addr[5] << 8);
2630
2631 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2632 }
2633
2634 /*
2635 * rt2860_asic_enable_tsf_sync
2636 */
2637 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2638 {
2639 struct ieee80211com *ic;
2640 uint32_t tmp;
2641
2642 ic = &sc->ic;
2643
2644 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2645 "%s: enabling TSF\n",
2646 device_get_nameunit(sc->dev));
2647
2648 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2649
2650 tmp &= ~0x1fffff;
2651 tmp |= ic->ic_bss->ni_intval * 16;
2652 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2653
2654 if (ic->ic_opmode == IEEE80211_M_STA)
2655 {
2656 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2657 }
2658 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2659 {
2660 tmp |= RT2860_REG_BCN_TX_ENABLE;
2661 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2662 }
2663 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2664 {
2665 tmp |= RT2860_REG_BCN_TX_ENABLE;
2666 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2667 }
2668
2669 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2670 }
2671
2672 /*
2673 * rt2860_asic_disable_tsf_sync
2674 */
2675 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2676 {
2677 uint32_t tmp;
2678
2679 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2680 "%s: disabling TSF\n",
2681 device_get_nameunit(sc->dev));
2682
2683 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2684
2685 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2686 RT2860_REG_TSF_TIMER_ENABLE |
2687 RT2860_REG_TBTT_TIMER_ENABLE);
2688
2689 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2690 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2691
2692 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2693 }
2694
2695 /*
2696 * rt2860_asic_enable_mrr
2697 */
2698 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2699 {
2700 #define CCK(mcs) (mcs)
2701 #define OFDM(mcs) ((1 << 3) | (mcs))
2702 #define HT(mcs) (mcs)
2703
2704 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2705 (OFDM(6) << 28) | /* 54 -> 48 */
2706 (OFDM(5) << 24) | /* 48 -> 36 */
2707 (OFDM(4) << 20) | /* 36 -> 24 */
2708 (OFDM(3) << 16) | /* 24 -> 18 */
2709 (OFDM(2) << 12) | /* 18 -> 12 */
2710 (OFDM(1) << 8) | /* 12 -> 9 */
2711 (OFDM(0) << 4) | /* 9 -> 6 */
2712 OFDM(0)); /* 6 -> 6 */
2713
2714 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2715 (CCK(2) << 12) | /* 11 -> 5.5 */
2716 (CCK(1) << 8) | /* 5.5 -> 2 */
2717 (CCK(0) << 4) | /* 2 -> 1 */
2718 CCK(0)); /* 1 -> 1 */
2719
2720 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2721 (HT(6) << 28) |
2722 (HT(5) << 24) |
2723 (HT(4) << 20) |
2724 (HT(3) << 16) |
2725 (HT(2) << 12) |
2726 (HT(1) << 8) |
2727 (HT(0) << 4) |
2728 HT(0));
2729
2730 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2731 (HT(14) << 28) |
2732 (HT(13) << 24) |
2733 (HT(12) << 20) |
2734 (HT(11) << 16) |
2735 (HT(10) << 12) |
2736 (HT(9) << 8) |
2737 (HT(8) << 4) |
2738 HT(8));
2739
2740 #undef HT
2741 #undef OFDM
2742 #undef CCK
2743 }
2744
2745 /*
2746 * rt2860_asic_set_txpreamble
2747 */
2748 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2749 {
2750 struct ieee80211com *ic;
2751 uint32_t tmp;
2752
2753 ic = &sc->ic;
2754
2755 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2756 "%s: %s short Tx preamble\n",
2757 device_get_nameunit(sc->dev),
2758 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2759
2760 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2761
2762 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2763
2764 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2765 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2766
2767 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2768 }
2769
2770 /*
2771 * rt2860_asic_set_basicrates
2772 */
2773 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2774 {
2775 struct ieee80211com *ic;
2776
2777 ic = &sc->ic;
2778
2779 if (ic->ic_curmode == IEEE80211_MODE_11B)
2780 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2781 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2782 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2783 else
2784 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2785 }
2786
2787 /*
2788 * rt2860_asic_update_rtsthreshold
2789 */
2790 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2791 {
2792 struct ieee80211com *ic;
2793 uint32_t tmp;
2794 uint16_t threshold;
2795
2796 ic = &sc->ic;
2797
2798 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2799 "%s: updating RTS threshold: %d\n",
2800 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2801
2802 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2803
2804 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2805
2806 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
2807 ic->ic_rtsthreshold : 0x1000;
2808
2809 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2810 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2811
2812 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2813 }
2814
2815 /*
2816 * rt2860_asic_update_txpower
2817 */
2818 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2819 {
2820 struct ieee80211com *ic;
2821 uint32_t *txpow_rate;
2822 int8_t delta;
2823 uint8_t val;
2824 uint32_t tmp;
2825 int i;
2826
2827 ic = &sc->ic;
2828
2829 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2830 "%s: updating Tx power: %d\n",
2831 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
2832
2833 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
2834 {
2835 txpow_rate = sc->txpow_rate_20mhz;
2836 }
2837 else
2838 {
2839 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
2840 txpow_rate = sc->txpow_rate_40mhz_2ghz;
2841 else
2842 txpow_rate = sc->txpow_rate_40mhz_5ghz;
2843 }
2844
2845 delta = 0;
2846
2847 val = rt2860_io_bbp_read(sc, 1);
2848 val &= 0xfc;
2849
2850 if (ic->ic_txpowlimit > 90)
2851 {
2852 /* do nothing */
2853 }
2854 else if (ic->ic_txpowlimit > 60)
2855 {
2856 delta -= 1;
2857 }
2858 else if (ic->ic_txpowlimit > 30)
2859 {
2860 delta -= 3;
2861 }
2862 else if (ic->ic_txpowlimit > 15)
2863 {
2864 val |= 0x1;
2865 }
2866 else if (ic->ic_txpowlimit > 9)
2867 {
2868 val |= 0x1;
2869 delta -= 3;
2870 }
2871 else
2872 {
2873 val |= 0x2;
2874 }
2875
2876 rt2860_io_bbp_write(sc, 1, val);
2877
2878 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
2879 {
2880 if (txpow_rate[i] == 0xffffffff)
2881 continue;
2882
2883 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
2884
2885 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
2886 }
2887 }
2888
2889 /*
2890 * rt2860_asic_update_promisc
2891 */
2892 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
2893 {
2894 struct ifnet *ifp;
2895 uint32_t tmp;
2896
2897 ifp = sc->ic.ic_ifp;
2898
2899 printf("%s: %s promiscuous mode\n",
2900 device_get_nameunit(sc->dev),
2901 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
2902
2903 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
2904
2905 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
2906
2907 if (!(ifp->if_flags & IFF_PROMISC))
2908 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
2909
2910 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
2911 }
2912
2913 /*
2914 * rt2860_asic_updateprot
2915 */
2916 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
2917 {
2918 struct ieee80211com *ic;
2919 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
2920 uint8_t htopmode;
2921 enum ieee80211_protmode htprotmode;
2922
2923 ic = &sc->ic;
2924
2925 /* CCK frame protection */
2926
2927 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2928 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
2929
2930 /* set up protection frame phy mode and rate (MCS code) */
2931
2932 if (ic->ic_curmode == IEEE80211_MODE_11A)
2933 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2934 (0 << RT2860_REG_PROT_MCS_SHIFT);
2935 else
2936 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2937 (3 << RT2860_REG_PROT_MCS_SHIFT));
2938
2939 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
2940
2941 /* OFDM frame protection */
2942
2943 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2944 RT2860_REG_TXOP_ALLOW_ALL;
2945
2946 if (ic->ic_flags & IEEE80211_F_USEPROT)
2947 {
2948 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2949 "%s: updating protection mode: b/g protection mode=%s\n",
2950 device_get_nameunit(sc->dev),
2951 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2952 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2953
2954 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2955 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2956 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2957 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
2958 else
2959 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2960 }
2961 else
2962 {
2963 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2964 "%s: updating protection mode: b/g protection mode=%s\n",
2965 device_get_nameunit(sc->dev), "none");
2966
2967 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2968 }
2969
2970 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
2971
2972 /* HT frame protection */
2973
2974 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
2975 htopmode = ic->ic_bss->ni_htopmode;
2976 else
2977 htopmode = ic->ic_curhtprotmode;
2978
2979 htprotmode = ic->ic_htprotmode;
2980
2981 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
2982
2983 if (sc->tx_ampdu_sessions > 0)
2984 {
2985 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2986 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
2987 device_get_nameunit(sc->dev));
2988
2989 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
2990 htprotmode = IEEE80211_PROT_RTSCTS;
2991 }
2992
2993 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2994 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
2995 device_get_nameunit(sc->dev),
2996 htopmode & IEEE80211_HTINFO_OPMODE,
2997 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2998 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2999
3000 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3001 {
3002 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3003 case IEEE80211_HTINFO_OPMODE_HT20PR:
3004 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3005 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3006 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3007 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3008 (4 << RT2860_REG_PROT_MCS_SHIFT);
3009
3010 gf20_prot = mm20_prot;
3011
3012 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3013 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3014 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3015
3016 if (htprotmode == IEEE80211_PROT_RTSCTS)
3017 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3018 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3019 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3020 else
3021 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3022
3023 gf40_prot = mm40_prot;
3024 break;
3025
3026 /* IEEE80211_HTINFO_OPMODE_MIXED */
3027 case IEEE80211_HTINFO_OPMODE_MIXED:
3028 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3029 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3030 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3031
3032 if (ic->ic_flags & IEEE80211_F_USEPROT)
3033 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3034 (3 << RT2860_REG_PROT_MCS_SHIFT);
3035 else
3036 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3037 (4 << RT2860_REG_PROT_MCS_SHIFT);
3038
3039 if (htprotmode == IEEE80211_PROT_RTSCTS)
3040 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3041 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3042 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3043 else
3044 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3045
3046 gf20_prot = mm20_prot;
3047
3048 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3049
3050 if (ic->ic_flags & IEEE80211_F_USEPROT)
3051 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3052 (3 << RT2860_REG_PROT_MCS_SHIFT);
3053 else
3054 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3055 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3056
3057 if (htprotmode == IEEE80211_PROT_RTSCTS)
3058 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3059 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3060 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3061 else
3062 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3063
3064 gf40_prot = mm40_prot;
3065 break;
3066
3067 /*
3068 * IEEE80211_HTINFO_OPMODE_PURE
3069 * IEEE80211_HTINFO_OPMODE_PROTOPT
3070 */
3071 case IEEE80211_HTINFO_OPMODE_PURE:
3072 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3073 default:
3074 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3075 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3076 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3077 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3078 (4 << RT2860_REG_PROT_MCS_SHIFT);
3079
3080 gf20_prot = mm20_prot;
3081
3082 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3083 RT2860_REG_TXOP_ALLOW_ALL |
3084 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3085 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3086
3087 gf40_prot = mm40_prot;
3088 break;
3089 }
3090
3091 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3092 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3093 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3094 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3095 }
3096
3097 /*
3098 * rt2860_asic_updateslot
3099 */
3100 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3101 {
3102 struct ieee80211com *ic;
3103 uint32_t tmp;
3104
3105 ic = &sc->ic;
3106
3107 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3108 "%s: %s short slot time\n",
3109 device_get_nameunit(sc->dev),
3110 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3111
3112 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3113
3114 tmp &= ~0xff;
3115 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3116
3117 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3118 }
3119
3120 /*
3121 * rt2860_asic_wme_update
3122 */
3123 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3124 {
3125 struct ieee80211com *ic;
3126 struct ieee80211_wme_state *wme;
3127 const struct wmeParams *wmep;
3128 int i;
3129
3130 ic = &sc->ic;
3131 wme = &ic->ic_wme;
3132 wmep = wme->wme_chanParams.cap_wmeParams;
3133
3134 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3135 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3136 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3137 device_get_nameunit(sc->dev),
3138 wmep[WME_AC_VO].wmep_aifsn,
3139 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3140 wmep[WME_AC_VO].wmep_txopLimit,
3141 wmep[WME_AC_VI].wmep_aifsn,
3142 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3143 wmep[WME_AC_VI].wmep_txopLimit,
3144 wmep[WME_AC_BK].wmep_aifsn,
3145 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3146 wmep[WME_AC_BK].wmep_txopLimit,
3147 wmep[WME_AC_BE].wmep_aifsn,
3148 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3149 wmep[WME_AC_BE].wmep_txopLimit);
3150
3151 for (i = 0; i < WME_NUM_AC; i++)
3152 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3153 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3154 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3155
3156 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3157 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3158 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3159
3160 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3161 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3162 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3163
3164 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3165 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3166 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3167
3168 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3169 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3170
3171 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3172 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3173 }
3174
3175 /*
3176 * rt2860_asic_update_beacon
3177 */
3178 static int rt2860_asic_update_beacon(struct rt2860_softc *sc)
3179 {
3180 struct ieee80211com *ic;
3181 struct mbuf *m;
3182 struct rt2860_txwi txwi;
3183 uint8_t rate, mcs;
3184 uint32_t tmp;
3185
3186 ic = &sc->ic;
3187
3188 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3189 if (m == NULL)
3190 return ENOMEM;
3191
3192 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3193 mcs = rt2860_rate2mcs(rate);
3194
3195 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3196
3197 txwi.wcid = 0xff;
3198 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3199 RT2860_TXWI_MPDU_LEN_SHIFT);
3200 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3201 txwi.mpdu_density_flags |=
3202 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3203 txwi.bawin_size_xflags |=
3204 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3205
3206 if (rate == 2)
3207 {
3208 txwi.phymode_ifs_stbc_shortgi =
3209 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3210
3211 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3212 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3213 }
3214 else
3215 {
3216 txwi.phymode_ifs_stbc_shortgi =
3217 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3218 }
3219
3220 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3221 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3222
3223 /* disable temporarily TSF sync */
3224
3225 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3226
3227 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3228 RT2860_REG_TSF_TIMER_ENABLE |
3229 RT2860_REG_TBTT_TIMER_ENABLE);
3230
3231 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3232
3233 /* write Tx wireless info and beacon frame to on-chip memory */
3234
3235 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3236 &txwi, sizeof(struct rt2860_txwi));
3237
3238 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3239 mtod(m, uint8_t *), m->m_pkthdr.len);
3240
3241 /* enable again TSF sync */
3242
3243 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3244
3245 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3246 RT2860_REG_TSF_TIMER_ENABLE |
3247 RT2860_REG_TBTT_TIMER_ENABLE);
3248
3249 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3250
3251 m_freem(m);
3252
3253 return 0;
3254 }
3255
3256 /*
3257 * rt2860_asic_clear_keytables
3258 */
3259 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3260 {
3261 int i;
3262
3263 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3264
3265 for (i = 0; i < 256; i++)
3266 {
3267 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3268 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3269 }
3270
3271 /* clear WCID attribute table (entries = 256, entry size = 4) */
3272
3273 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3274
3275 /* clear IV/EIV table (entries = 256, entry size = 8) */
3276
3277 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3278
3279 /* clear pairwise key table (entries = 256, entry size = 32) */
3280
3281 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3282
3283 /* clear shared key table (entries = 32, entry size = 32) */
3284
3285 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3286
3287 /* clear shared key mode (entries = 32, entry size = 2) */
3288
3289 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3290 }
3291
3292 /*
3293 * rt2860_rxrate
3294 */
3295 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3296 {
3297 uint8_t mcs, phymode;
3298 uint8_t rate;
3299
3300 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3301 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3302 RT2860_RXWI_PHYMODE_MASK;
3303
3304 rate = 2;
3305
3306 switch (phymode)
3307 {
3308 case RT2860_RXWI_PHYMODE_CCK:
3309 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3310 {
3311 case 0: rate = 2; break; /* 1 Mbps */
3312 case 1: rate = 4; break; /* 2 MBps */
3313 case 2: rate = 11; break; /* 5.5 Mbps */
3314 case 3: rate = 22; break; /* 11 Mbps */
3315 }
3316 break;
3317
3318 case RT2860_RXWI_PHYMODE_OFDM:
3319 switch (mcs)
3320 {
3321 case 0: rate = 12; break; /* 6 Mbps */
3322 case 1: rate = 18; break; /* 9 Mbps */
3323 case 2: rate = 24; break; /* 12 Mbps */
3324 case 3: rate = 36; break; /* 18 Mbps */
3325 case 4: rate = 48; break; /* 24 Mbps */
3326 case 5: rate = 72; break; /* 36 Mbps */
3327 case 6: rate = 96; break; /* 48 Mbps */
3328 case 7: rate = 108; break; /* 54 Mbps */
3329 }
3330 break;
3331
3332 case RT2860_RXWI_PHYMODE_HT_MIXED:
3333 case RT2860_RXWI_PHYMODE_HT_GF:
3334 break;
3335 }
3336
3337 return rate;
3338 }
3339
3340 /*
3341 * rt2860_maxrssi_rxpath
3342 */
3343 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3344 const struct rt2860_rxwi *rxwi)
3345 {
3346 uint8_t rxpath;
3347
3348 rxpath = 0;
3349
3350 if (sc->nrxpath > 1)
3351 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3352 rxpath = 1;
3353
3354 if (sc->nrxpath > 2)
3355 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3356 rxpath = 2;
3357
3358 return rxpath;
3359 }
3360
3361 /*
3362 * rt2860_rssi2dbm
3363 */
3364 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3365 uint8_t rssi, uint8_t rxpath)
3366 {
3367 struct ieee80211com *ic;
3368 struct ieee80211_channel *c;
3369 int chan;
3370 int8_t rssi_off, lna_gain;
3371
3372 if (rssi == 0)
3373 return -99;
3374
3375 ic = &sc->ic;
3376 c = ic->ic_curchan;
3377 chan = ieee80211_chan2ieee(ic, c);
3378
3379 if (IEEE80211_IS_CHAN_5GHZ(c))
3380 {
3381 rssi_off = sc->rssi_off_5ghz[rxpath];
3382
3383 if (chan <= 64)
3384 lna_gain = sc->lna_gain[1];
3385 else if (chan <= 128)
3386 lna_gain = sc->lna_gain[2];
3387 else
3388 lna_gain = sc->lna_gain[3];
3389 }
3390 else
3391 {
3392 rssi_off = sc->rssi_off_2ghz[rxpath];
3393 lna_gain = sc->lna_gain[0];
3394 }
3395
3396 return (-12 - rssi_off - lna_gain - rssi);
3397 }
3398
3399 /*
3400 * rt2860_rate2mcs
3401 */
3402 static uint8_t rt2860_rate2mcs(uint8_t rate)
3403 {
3404 switch (rate)
3405 {
3406 /* CCK rates */
3407 case 2: return 0;
3408 case 4: return 1;
3409 case 11: return 2;
3410 case 22: return 3;
3411
3412 /* OFDM rates */
3413 case 12: return 0;
3414 case 18: return 1;
3415 case 24: return 2;
3416 case 36: return 3;
3417 case 48: return 4;
3418 case 72: return 5;
3419 case 96: return 6;
3420 case 108: return 7;
3421 }
3422
3423 return 0;
3424 }
3425
3426 /*
3427 * rt2860_ackrate
3428 */
3429 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3430 {
3431 switch (rate)
3432 {
3433 /* CCK rates */
3434
3435 case 2:
3436 return 2;
3437
3438 case 4:
3439 case 11:
3440 case 22:
3441 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3442
3443 /* OFDM rates */
3444
3445 case 12:
3446 case 18:
3447 return 12;
3448
3449 case 24:
3450 case 36:
3451 return 24;
3452
3453 case 48:
3454 case 72:
3455 case 96:
3456 case 108:
3457 return 48;
3458 }
3459
3460 /* default to 1Mbps */
3461 return 2;
3462 }
3463
3464 /*
3465 * rt2860_txtime
3466 */
3467 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3468 {
3469 uint16_t txtime;
3470
3471 if (RT2860_RATE_IS_OFDM(rate))
3472 {
3473 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3474 txtime = 16 + 4 + 4 * txtime + 6;
3475 }
3476 else
3477 {
3478 txtime = (16 * len + rate - 1) / rate;
3479
3480 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3481 txtime += 72 + 24;
3482 else
3483 txtime += 144 + 48;
3484 }
3485
3486 return txtime;
3487 }
3488
3489 /*
3490 * rt2860_tx_frame
3491 */
3492 static int rt2860_tx_frame(struct rt2860_softc *sc,
3493 struct mbuf *m, struct ieee80211_node *ni, int qid)
3494 {
3495 struct ieee80211com *ic;
3496 struct rt2860_softc_tx_ring *ring;
3497 struct rt2860_softc_tx_data *data;
3498 struct rt2860_txdesc *desc;
3499 struct rt2860_txwi *txwi;
3500 struct ieee80211_frame *wh;
3501 struct ieee80211_tx_ampdu *tx_ampdu;
3502 struct rt2860_softc_tx_radiotap_header *tap;
3503 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3504 u_int hdrsize, hdrspace;
3505 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
3506 uint16_t qos, len, dmalen, mpdu_len, dur;
3507 int error, hasqos, ac, ampdu, ackrate, ndmasegs, ndescs, i, j;
3508
3509 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3510 ("%s: Tx frame: invalid qid=%d\n",
3511 device_get_nameunit(sc->dev), qid));
3512
3513 ic = &sc->ic;
3514
3515 ring = &sc->tx_ring[qid];
3516 desc = &ring->desc[ring->desc_cur];
3517 data = &ring->data[ring->data_cur];
3518 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3519
3520 wh = mtod(m, struct ieee80211_frame *);
3521
3522 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3523
3524 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3525 if (hasqos)
3526 {
3527 if (IEEE80211_HAS_ADDR4(wh))
3528 qos = le16toh(*(const uint16_t *)
3529 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3530 else
3531 qos = le16toh(*(const uint16_t *)
3532 (((struct ieee80211_qosframe *) wh)->i_qos));
3533 }
3534 else
3535 {
3536 qos = 0;
3537 }
3538
3539 if (ni->ni_flags & IEEE80211_NODE_HT)
3540 {
3541 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3542 rate = 0;
3543 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3544 rate = ic->ic_fixed_rate;
3545 else
3546 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3547 }
3548 else
3549 {
3550 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3551 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3552 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3553 rate = ic->ic_fixed_rate;
3554 else
3555 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3556 }
3557
3558 rate &= IEEE80211_RATE_VAL;
3559
3560 /* fill Tx wireless info */
3561
3562 if (ni->ni_flags & IEEE80211_NODE_HT)
3563 mcs = rate;
3564 else
3565 mcs = rt2860_rate2mcs(rate);
3566
3567 pid = mcs;
3568
3569 /* management frames do not need encryption */
3570
3571 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3572 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3573
3574 /* calculate MPDU length without padding */
3575
3576 hdrsize = ieee80211_hdrsize(wh);
3577 hdrspace = ieee80211_hdrspace(ic, wh);
3578 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3579
3580 memset(txwi, 0, sizeof(struct rt2860_txwi));
3581
3582 txwi->wcid = wcid;
3583
3584 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3585 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3586 RT2860_TXWI_MPDU_LEN_SHIFT);
3587
3588 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3589
3590 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3591 (ni->ni_flags & IEEE80211_NODE_HT);
3592
3593 txwi->phymode_ifs_stbc_shortgi |=
3594 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3595 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3596
3597 if (ni->ni_flags & IEEE80211_NODE_HT)
3598 {
3599 txwi->phymode_ifs_stbc_shortgi |=
3600 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3601 }
3602 else
3603 {
3604 if (!RT2860_RATE_IS_OFDM(rate))
3605 {
3606 txwi->phymode_ifs_stbc_shortgi |=
3607 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3608
3609 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3610 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3611 }
3612 else
3613 {
3614 txwi->phymode_ifs_stbc_shortgi |=
3615 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3616 }
3617 }
3618
3619 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
3620 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
3621 bw = RT2860_TXWI_BW_40;
3622 else
3623 bw = RT2860_TXWI_BW_20;
3624
3625 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
3626 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3627
3628 if (type != IEEE80211_FC0_TYPE_DATA)
3629 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3630 else
3631 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3632
3633 /* skip ACKs for multicast frames and probe responses */
3634
3635 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3636 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3637 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
3638 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
3639 {
3640 txwi->bawin_size_xflags |=
3641 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3642
3643 if (ni->ni_flags & IEEE80211_NODE_HT)
3644 {
3645 /* preamble + plcp + signal extension */
3646
3647 dur = 16 + 4 + 6;
3648 }
3649 else
3650 {
3651 ackrate = rt2860_ackrate(ic, rate);
3652
3653 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
3654 sc->sifs;
3655 }
3656
3657 *(uint16_t *) wh->i_dur = htole16(dur);
3658 }
3659
3660 /* check fo A-MPDU */
3661
3662 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
3663 {
3664 ac = M_WME_GETAC(m);
3665 tx_ampdu = &ni->ni_tx_ampdu[ac];
3666
3667 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
3668 bawin_size = 13; //tx_ampdu->txa_wnd;
3669
3670 txwi->mpdu_density_flags |=
3671 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
3672 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
3673
3674 txwi->bawin_size_xflags |=
3675 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
3676
3677 if (IEEE80211_HAS_ADDR4(wh))
3678 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3679 else
3680 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3681
3682 ampdu = 1;
3683 }
3684 else
3685 {
3686 ampdu = 0;
3687 }
3688
3689 /* ask MAC to insert timestamp into probe responses */
3690
3691 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3692 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3693 txwi->mpdu_density_flags |=
3694 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3695
3696 if (bpf_peers_present(sc->drvbpf))
3697 {
3698 tap = &sc->txtap;
3699
3700 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3701 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3702 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3703 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3704 tap->chan_maxpow = 0;
3705
3706 if (ni->ni_flags & IEEE80211_NODE_HT)
3707 tap->rate = mcs | IEEE80211_RATE_MCS;
3708 else
3709 tap->rate = rate;
3710
3711 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3712 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3713
3714 if (shortgi)
3715 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3716
3717 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3718 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3719
3720 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3721 {
3722 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3723
3724 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3725
3726 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3727 }
3728 else
3729 {
3730 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3731 }
3732 }
3733
3734 /* copy and trim 802.11 header */
3735
3736 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3737 m_adj(m, hdrspace);
3738
3739 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3740 dma_seg, &ndmasegs, 0);
3741 if (error != 0)
3742 {
3743 /* too many fragments, linearize */
3744
3745 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3746 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3747 device_get_nameunit(sc->dev));
3748
3749 m = m_defrag(m, M_DONTWAIT);
3750 if (m == NULL)
3751 return ENOMEM;
3752
3753 sc->tx_defrag_packets++;
3754
3755 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3756 dma_seg, &ndmasegs, 0);
3757 if (error != 0)
3758 {
3759 printf("%s: could not load mbuf DMA map: error=%d\n",
3760 device_get_nameunit(sc->dev), error);
3761 m_freem(m);
3762 return error;
3763 }
3764 }
3765
3766 /* determine how many Tx descs are required */
3767
3768 ndescs = 1 + ndmasegs / 2;
3769 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3770 {
3771 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3772 "%s: there are not enough Tx descs\n",
3773 device_get_nameunit(sc->dev));
3774
3775 sc->no_tx_desc_avail++;
3776
3777 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3778 m_freem(m);
3779 return EFBIG;
3780 }
3781
3782 data->m = m;
3783 data->ni = ni;
3784
3785 /* set up Tx descs */
3786
3787 /* first segment is Tx wireless info and 802.11 header */
3788
3789 len = sizeof(struct rt2860_txwi) + hdrsize;
3790
3791 /* align end on a 4-bytes boundary */
3792
3793 dmalen = (len + 3) & ~ 3;
3794
3795 memset((caddr_t) txwi + len, 0, dmalen - len);
3796
3797 qsel = RT2860_TXDESC_QSEL_EDCA;
3798
3799 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3800 desc->sdl0 = htole16(dmalen);
3801 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3802
3803 /* set up payload segments */
3804
3805 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3806 {
3807 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3808 desc->sdl1 = htole16(dma_seg[j].ds_len);
3809
3810 ring->desc_queued++;
3811 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3812
3813 j++;
3814
3815 desc = &ring->desc[ring->desc_cur];
3816
3817 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3818 desc->sdl0 = htole16(dma_seg[j].ds_len);
3819 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3820
3821 j++;
3822 }
3823
3824 /* finalize last payload segment */
3825
3826 if (i > 0 && dma_seg[j].ds_len > 0)
3827 {
3828 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3829 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3830 }
3831 else
3832 {
3833 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3834 desc->sdl1 = 0;
3835 }
3836
3837 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3838 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3839 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3840 device_get_nameunit(sc->dev),
3841 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3842 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
3843 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);
3844
3845 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3846 BUS_DMASYNC_PREWRITE);
3847 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3848 BUS_DMASYNC_PREWRITE);
3849 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3850 BUS_DMASYNC_PREWRITE);
3851
3852 ring->desc_queued++;
3853 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3854
3855 ring->data_queued++;
3856 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3857
3858 /* kick Tx */
3859
3860 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3861
3862 return 0;
3863 }
3864
3865 /*
3866 * rt2860_tx_raw
3867 */
3868 static int rt2860_tx_raw(struct rt2860_softc *sc,
3869 struct mbuf *m, struct ieee80211_node *ni,
3870 const struct ieee80211_bpf_params *params)
3871 {
3872 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3873 "%s: Tx raw\n",
3874 device_get_nameunit(sc->dev));
3875
3876 return 0;
3877 }
3878
3879 /*
3880 * rt2860_intr
3881 */
3882 static void rt2860_intr(void *arg)
3883 {
3884 struct rt2860_softc *sc;
3885 struct ifnet *ifp;
3886 uint32_t status;
3887
3888 sc = arg;
3889 ifp = sc->ifp;
3890
3891 /* acknowledge interrupts */
3892
3893 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
3894 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
3895
3896 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3897 "%s: interrupt: status = 0x%08x\n",
3898 device_get_nameunit(sc->dev), status);
3899
3900 if (status == 0xffffffff || /* device likely went away */
3901 status == 0) /* not for us */
3902 return;
3903
3904 sc->interrupts++;
3905
3906 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3907 return;
3908
3909 if (status & RT2860_REG_INT_TX_COHERENT)
3910 rt2860_tx_coherent_intr(sc);
3911
3912 if (status & RT2860_REG_INT_RX_COHERENT)
3913 rt2860_rx_coherent_intr(sc);
3914
3915 if (status & RT2860_REG_INT_TXRX_COHERENT)
3916 rt2860_txrx_coherent_intr(sc);
3917
3918 if (status & RT2860_REG_INT_FIFO_STA_FULL)
3919 rt2860_fifo_sta_full_intr(sc);
3920
3921 if (status & RT2860_REG_INT_TX_MGMT_DONE)
3922 rt2860_tx_intr(sc, 5);
3923
3924 if (status & RT2860_REG_INT_RX_DONE)
3925 rt2860_rx_intr(sc);
3926
3927 if (status & RT2860_REG_INT_RX_DELAY_DONE)
3928 rt2860_rx_delay_intr(sc);
3929
3930 if (status & RT2860_REG_INT_TX_HCCA_DONE)
3931 rt2860_tx_intr(sc, 4);
3932
3933 if (status & RT2860_REG_INT_TX_AC3_DONE)
3934 rt2860_tx_intr(sc, 3);
3935
3936 if (status & RT2860_REG_INT_TX_AC2_DONE)
3937 rt2860_tx_intr(sc, 2);
3938
3939 if (status & RT2860_REG_INT_TX_AC1_DONE)
3940 rt2860_tx_intr(sc, 1);
3941
3942 if (status & RT2860_REG_INT_TX_AC0_DONE)
3943 rt2860_tx_intr(sc, 0);
3944
3945 if (status & RT2860_REG_INT_TX_DELAY_DONE)
3946 rt2860_tx_delay_intr(sc);
3947
3948 if (status & RT2860_REG_INT_PRE_TBTT)
3949 rt2860_pre_tbtt_intr(sc);
3950
3951 if (status & RT2860_REG_INT_TBTT)
3952 rt2860_tbtt_intr(sc);
3953
3954 if (status & RT2860_REG_INT_MCU_CMD)
3955 rt2860_mcu_cmd_intr(sc);
3956
3957 if (status & RT2860_REG_INT_AUTO_WAKEUP)
3958 rt2860_auto_wakeup_intr(sc);
3959
3960 if (status & RT2860_REG_INT_GP_TIMER)
3961 rt2860_gp_timer_intr(sc);
3962 }
3963
3964 /*
3965 * rt2860_tx_coherent_intr
3966 */
3967 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
3968 {
3969 uint32_t tmp;
3970 int i;
3971
3972 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3973 "%s: Tx coherent interrupt\n",
3974 device_get_nameunit(sc->dev));
3975
3976 sc->tx_coherent_interrupts++;
3977
3978 /* restart DMA engine */
3979
3980 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3981
3982 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3983 RT2860_REG_RX_DMA_ENABLE |
3984 RT2860_REG_TX_DMA_ENABLE);
3985
3986 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3987
3988 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3989
3990 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3991 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
3992
3993 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
3994 {
3995 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
3996 sc->tx_ring[i].desc_phys_addr);
3997 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
3998 RT2860_SOFTC_TX_RING_DESC_COUNT);
3999 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4000 }
4001
4002 /* init Rx ring */
4003
4004 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4005
4006 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4007 sc->rx_ring.desc_phys_addr);
4008 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4009 RT2860_SOFTC_RX_RING_DATA_COUNT);
4010 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4011 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4012
4013 rt2860_txrx_enable(sc);
4014 }
4015
4016 /*
4017 * rt2860_rx_coherent_intr
4018 */
4019 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4020 {
4021 uint32_t tmp;
4022 int i;
4023
4024 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4025 "%s: Rx coherent interrupt\n",
4026 device_get_nameunit(sc->dev));
4027
4028 sc->rx_coherent_interrupts++;
4029
4030 /* restart DMA engine */
4031
4032 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4033
4034 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4035 RT2860_REG_RX_DMA_ENABLE |
4036 RT2860_REG_TX_DMA_ENABLE);
4037
4038 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4039
4040 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4041
4042 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4043 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4044
4045 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4046 {
4047 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4048 sc->tx_ring[i].desc_phys_addr);
4049 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4050 RT2860_SOFTC_TX_RING_DESC_COUNT);
4051 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4052 }
4053
4054 /* init Rx ring */
4055
4056 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4057
4058 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4059 sc->rx_ring.desc_phys_addr);
4060 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4061 RT2860_SOFTC_RX_RING_DATA_COUNT);
4062 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4063 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4064
4065 rt2860_txrx_enable(sc);
4066 }
4067
4068 /*
4069 * rt2860_txrx_coherent_intr
4070 */
4071 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4072 {
4073 uint32_t tmp;
4074 int i;
4075
4076 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4077 "%s: Tx/Rx coherent interrupt\n",
4078 device_get_nameunit(sc->dev));
4079
4080 sc->txrx_coherent_interrupts++;
4081
4082 /* restart DMA engine */
4083
4084 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4085
4086 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4087 RT2860_REG_RX_DMA_ENABLE |
4088 RT2860_REG_TX_DMA_ENABLE);
4089
4090 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4091
4092 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4093
4094 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4095 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4096
4097 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4098 {
4099 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4100 sc->tx_ring[i].desc_phys_addr);
4101 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4102 RT2860_SOFTC_TX_RING_DESC_COUNT);
4103 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4104 }
4105
4106 /* init Rx ring */
4107
4108 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4109
4110 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4111 sc->rx_ring.desc_phys_addr);
4112 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4113 RT2860_SOFTC_RX_RING_DATA_COUNT);
4114 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4115 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4116
4117 rt2860_txrx_enable(sc);
4118 }
4119
4120 /*
4121 * rt2860_fifo_sta_full_intr
4122 */
4123 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4124 {
4125 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4126 "%s: FIFO statistic full interrupt\n",
4127 device_get_nameunit(sc->dev));
4128
4129 sc->fifo_sta_full_interrupts++;
4130
4131 RT2860_SOFTC_LOCK(sc);
4132
4133 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4134 {
4135 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4136
4137 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4138 }
4139
4140 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4141
4142 RT2860_SOFTC_UNLOCK(sc);
4143 }
4144
4145 /*
4146 * rt2860_rx_intr
4147 */
4148 static void rt2860_rx_intr(struct rt2860_softc *sc)
4149 {
4150 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4151 "%s: Rx interrupt\n",
4152 device_get_nameunit(sc->dev));
4153
4154 sc->rx_interrupts++;
4155
4156 RT2860_SOFTC_LOCK(sc);
4157
4158 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4159 {
4160 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4161
4162 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4163 }
4164
4165 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4166
4167 RT2860_SOFTC_UNLOCK(sc);
4168 }
4169
4170 /*
4171 * rt2860_rx_delay_intr
4172 */
4173 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4174 {
4175 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4176 "%s: Rx delay interrupt\n",
4177 device_get_nameunit(sc->dev));
4178
4179 sc->rx_delay_interrupts++;
4180 }
4181
4182 /*
4183 * rt2860_tx_intr
4184 */
4185 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4186 {
4187 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4188 ("%s: Tx interrupt: invalid qid=%d\n",
4189 device_get_nameunit(sc->dev), qid));
4190
4191 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4192 "%s: Tx interrupt: qid=%d\n",
4193 device_get_nameunit(sc->dev), qid);
4194
4195 sc->tx_interrupts[qid]++;
4196
4197 RT2860_SOFTC_LOCK(sc);
4198
4199 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4200 {
4201 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4202
4203 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4204 }
4205
4206 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4207
4208 RT2860_SOFTC_UNLOCK(sc);
4209 }
4210
4211 /*
4212 * rt2860_tx_delay_intr
4213 */
4214 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4215 {
4216 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4217 "%s: Tx delay interrupt\n",
4218 device_get_nameunit(sc->dev));
4219
4220 sc->tx_delay_interrupts++;
4221 }
4222
4223 /*
4224 * rt2860_pre_tbtt_intr
4225 */
4226 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4227 {
4228 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4229 "%s: Pre-TBTT interrupt\n",
4230 device_get_nameunit(sc->dev));
4231
4232 sc->pre_tbtt_interrupts++;
4233 }
4234
4235 /*
4236 * rt2860_tbtt_intr
4237 */
4238 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4239 {
4240 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4241 "%s: TBTT interrupt\n",
4242 device_get_nameunit(sc->dev));
4243
4244 sc->tbtt_interrupts++;
4245 }
4246
4247 /*
4248 * rt2860_mcu_cmd_intr
4249 */
4250 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4251 {
4252 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4253 "%s: MCU command interrupt\n",
4254 device_get_nameunit(sc->dev));
4255
4256 sc->mcu_cmd_interrupts++;
4257 }
4258
4259 /*
4260 * rt2860_auto_wakeup_intr
4261 */
4262 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4263 {
4264 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4265 "%s: auto wakeup interrupt\n",
4266 device_get_nameunit(sc->dev));
4267
4268 sc->auto_wakeup_interrupts++;
4269 }
4270
4271 /*
4272 * rt2860_gp_timer_intr
4273 */
4274 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4275 {
4276 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4277 "%s: GP timer interrupt\n",
4278 device_get_nameunit(sc->dev));
4279
4280 sc->gp_timer_interrupts++;
4281 }
4282
4283 /*
4284 * rt2860_rx_done_task
4285 */
4286 static void rt2860_rx_done_task(void *context, int pending)
4287 {
4288 struct rt2860_softc *sc;
4289 struct ifnet *ifp;
4290 int again;
4291
4292 sc = context;
4293 ifp = sc->ifp;
4294
4295 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4296 "%s: Rx done task\n",
4297 device_get_nameunit(sc->dev));
4298
4299 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4300 return;
4301
4302 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4303
4304 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4305
4306 RT2860_SOFTC_LOCK(sc);
4307
4308 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4309 {
4310 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4311 "%s: Rx done task: scheduling again\n",
4312 device_get_nameunit(sc->dev));
4313
4314 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4315 }
4316 else
4317 {
4318 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4319 }
4320
4321 RT2860_SOFTC_UNLOCK(sc);
4322 }
4323
4324 /*
4325 * rt2860_tx_done_task
4326 */
4327 static void rt2860_tx_done_task(void *context, int pending)
4328 {
4329 struct rt2860_softc *sc;
4330 struct ifnet *ifp;
4331 uint32_t intr_mask;
4332 int i;
4333
4334 sc = context;
4335 ifp = sc->ifp;
4336
4337 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4338 "%s: Tx done task\n",
4339 device_get_nameunit(sc->dev));
4340
4341 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4342 return;
4343
4344 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4345 {
4346 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4347 {
4348 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4349
4350 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4351 }
4352 }
4353
4354 sc->tx_timer = 0;
4355
4356 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4357
4358 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4359 RT2860_REG_INT_TX_HCCA_DONE |
4360 RT2860_REG_INT_TX_AC3_DONE |
4361 RT2860_REG_INT_TX_AC2_DONE |
4362 RT2860_REG_INT_TX_AC1_DONE |
4363 RT2860_REG_INT_TX_AC0_DONE);
4364
4365 RT2860_SOFTC_LOCK(sc);
4366
4367 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4368 (sc->intr_disable_mask & intr_mask));
4369
4370 if (sc->intr_pending_mask & intr_mask)
4371 {
4372 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4373 "%s: Tx done task: scheduling again\n",
4374 device_get_nameunit(sc->dev));
4375
4376 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4377 }
4378
4379 RT2860_SOFTC_UNLOCK(sc);
4380 }
4381
4382 /*
4383 * rt2860_fifo_sta_full_task
4384 */
4385 static void rt2860_fifo_sta_full_task(void *context, int pending)
4386 {
4387 struct rt2860_softc *sc;
4388 struct ifnet *ifp;
4389
4390 sc = context;
4391 ifp = sc->ifp;
4392
4393 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4394 "%s: FIFO statistic full task\n",
4395 device_get_nameunit(sc->dev));
4396
4397 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4398 return;
4399
4400 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4401
4402 rt2860_drain_fifo_stats(sc);
4403
4404 RT2860_SOFTC_LOCK(sc);
4405
4406 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4407 {
4408 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4409 "%s: FIFO statistic full task: scheduling again\n",
4410 device_get_nameunit(sc->dev));
4411
4412 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4413 }
4414 else
4415 {
4416 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4417 }
4418
4419 RT2860_SOFTC_UNLOCK(sc);
4420 }
4421
4422 /*
4423 * rt2860_periodic_task
4424 */
4425 static void rt2860_periodic_task(void *context, int pending)
4426 {
4427 struct rt2860_softc *sc;
4428 struct ifnet *ifp;
4429 struct ieee80211com *ic;
4430
4431 sc = context;
4432 ifp = sc->ifp;
4433 ic = &sc->ic;
4434
4435 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4436 "%s: periodic task: round=%lu\n",
4437 device_get_nameunit(sc->dev), sc->periodic_round);
4438
4439 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4440 return;
4441
4442 RT2860_SOFTC_LOCK(sc);
4443
4444 sc->periodic_round++;
4445
4446 rt2860_update_stats(sc);
4447
4448 if ((sc->periodic_round % 10) == 0)
4449 {
4450 rt2860_bbp_tuning(sc);
4451
4452 rt2860_update_raw_counters(sc);
4453
4454 rt2860_watchdog(sc);
4455
4456 if (ic->ic_opmode != IEEE80211_M_MONITOR && ic->ic_state == IEEE80211_S_RUN)
4457 {
4458 if (ic->ic_opmode == IEEE80211_M_STA)
4459 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4460 else
4461 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4462 }
4463 }
4464
4465 RT2860_SOFTC_UNLOCK(sc);
4466
4467 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4468 }
4469
4470 /*
4471 * rt2860_rx_eof
4472 */
4473 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4474 {
4475 struct ieee80211com *ic;
4476 struct ifnet *ifp;
4477 struct ieee80211_frame *wh;
4478 struct ieee80211_node *ni;
4479 struct rt2860_softc_rx_radiotap_header *tap;
4480 struct rt2860_softc_rx_ring *ring;
4481 struct rt2860_rxdesc *desc;
4482 struct rt2860_softc_rx_data *data;
4483 struct rt2860_rxwi *rxwi;
4484 struct mbuf *m, *mnew;
4485 bus_dma_segment_t segs[1];
4486 bus_dmamap_t dma_map;
4487 uint32_t index, desc_flags;
4488 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4489 int8_t rssi_dbm;
4490 int error, nsegs, len, ampdu, amsdu, nframes;
4491
4492 ic = &sc->ic;
4493 ifp = sc->ifp;
4494 ring = &sc->rx_ring;
4495
4496 nframes = 0;
4497
4498 while (limit != 0)
4499 {
4500 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4501 if (ring->cur == index)
4502 break;
4503
4504 desc = &ring->desc[ring->cur];
4505 desc_flags = le32toh(desc->flags);
4506 data = &ring->data[ring->cur];
4507
4508 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4509 BUS_DMASYNC_POSTREAD);
4510
4511 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4512 break;
4513
4514 nframes++;
4515
4516 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4517 if (mnew == NULL)
4518 {
4519 sc->rx_mbuf_alloc_errors++;
4520 ifp->if_ierrors++;
4521 goto skip;
4522 }
4523
4524 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4525
4526 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
4527 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4528 if (error != 0)
4529 {
4530 m_freem(mnew);
4531
4532 sc->rx_mbuf_dmamap_errors++;
4533 ifp->if_ierrors++;
4534
4535 goto skip;
4536 }
4537
4538 KASSERT(nsegs == 1, ("%s: too many DMA segments",
4539 device_get_name(sc->dev)));
4540
4541 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4542 BUS_DMASYNC_POSTREAD);
4543 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4544
4545 dma_map = data->dma_map;
4546 data->dma_map = ring->spare_dma_map;
4547 ring->spare_dma_map = dma_map;
4548
4549 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4550 BUS_DMASYNC_PREREAD);
4551
4552 m = data->m;
4553
4554 data->m = mnew;
4555 desc->sdp0 = htole32(segs[0].ds_addr);
4556
4557 /* get Rx wireless info */
4558
4559 rxwi = mtod(m, struct rt2860_rxwi *);
4560 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4561 RT2860_RXWI_SIZE_MASK;
4562
4563 /* check for L2 padding between IEEE 802.11 frame header and body */
4564
4565 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4566 {
4567 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4568 "%s: L2 padding: len=%d\n",
4569 device_get_nameunit(sc->dev), len);
4570
4571 len += 2;
4572 }
4573
4574 m->m_pkthdr.rcvif = ifp;
4575 m->m_data = (caddr_t) (rxwi + 1);
4576 m->m_pkthdr.len = m->m_len = len;
4577
4578 /* check for crc errors */
4579
4580 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4581 {
4582 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4583 "%s: rxdesc: crc error\n",
4584 device_get_nameunit(sc->dev));
4585
4586 ifp->if_ierrors++;
4587
4588 if (!(ifp->if_flags & IFF_PROMISC))
4589 {
4590 m_freem(m);
4591 goto skip;
4592 }
4593 }
4594
4595 wh = (struct ieee80211_frame *) (rxwi + 1);
4596
4597 /* check for cipher errors */
4598
4599 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4600 {
4601 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4602 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4603 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4604 {
4605 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4606 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4607
4608 m->m_flags |= M_WEP;
4609 }
4610 else
4611 {
4612 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4613 "%s: rxdesc: cipher error=0x%02x\n",
4614 device_get_nameunit(sc->dev), cipher_err);
4615
4616 ifp->if_ierrors++;
4617
4618 if (!(ifp->if_flags & IFF_PROMISC))
4619 {
4620 m_free(m);
4621 goto skip;
4622 }
4623 }
4624 }
4625 else
4626 {
4627 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4628 {
4629 ifp->if_ierrors++;
4630
4631 if (!(ifp->if_flags & IFF_PROMISC))
4632 {
4633 m_free(m);
4634 goto skip;
4635 }
4636 }
4637 }
4638
4639 /* check for A-MPDU */
4640
4641 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4642 {
4643 m->m_flags |= M_AMPDU;
4644
4645 sc->rx_ampdu++;
4646
4647 ampdu = 1;
4648 }
4649 else
4650 {
4651 ampdu = 0;
4652 }
4653
4654 /* check for A-MSDU */
4655
4656 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
4657 {
4658 sc->rx_amsdu++;
4659
4660 amsdu = 1;
4661 }
4662 else
4663 {
4664 amsdu = 0;
4665 }
4666
4667 ant = rt2860_maxrssi_rxpath(sc, rxwi);
4668 rssi = rxwi->rssi[ant];
4669 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
4670 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4671 RT2860_RXWI_PHYMODE_MASK);
4672 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
4673 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
4674 RT2860_RXWI_SHORTGI_MASK);
4675 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
4676
4677 if (bpf_peers_present(sc->drvbpf))
4678 {
4679 tap = &sc->rxtap;
4680
4681 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4682 tap->dbm_antsignal = rssi_dbm;
4683 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
4684 tap->antenna = ant;
4685 tap->antsignal = rssi;
4686 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4687 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4688 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4689 tap->chan_maxpow = 0;
4690
4691 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
4692 tap->rate = mcs | IEEE80211_RATE_MCS;
4693 else
4694 tap->rate = rt2860_rxrate(rxwi);
4695
4696 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
4697 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4698
4699 if (shortgi)
4700 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4701
4702 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4703 }
4704
4705 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4706 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4707 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4708 device_get_nameunit(sc->dev),
4709 len, phymode, bw, shortgi, mcs,
4710 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4711 rxwi->snr[0], rxwi->snr[1],
4712 rxwi->wcid, ampdu, amsdu);
4713
4714 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4715
4716 ieee80211_input(ic, m, ni, rssi_dbm, RT2860_NOISE_FLOOR, 0);
4717
4718 ieee80211_free_node(ni);
4719
4720 skip:
4721
4722 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
4723
4724 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4725 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4726
4727 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
4728
4729 limit--;
4730 }
4731
4732 if (ring->cur == 0)
4733 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4734 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4735 else
4736 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4737 ring->cur - 1);
4738
4739 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4740 "%s: Rx eof: nframes=%d\n",
4741 device_get_nameunit(sc->dev), nframes);
4742
4743 sc->rx_packets += nframes;
4744
4745 return (limit == 0);
4746 }
4747
4748 /*
4749 * rt2860_tx_eof
4750 */
4751 static void rt2860_tx_eof(struct rt2860_softc *sc,
4752 struct rt2860_softc_tx_ring *ring)
4753 {
4754 struct ifnet *ifp;
4755 struct rt2860_txdesc *desc;
4756 struct rt2860_softc_tx_data *data;
4757 uint32_t index;
4758 int ndescs, nframes;
4759
4760 ifp = sc->ifp;
4761
4762 ndescs = 0;
4763 nframes = 0;
4764
4765 for (;;)
4766 {
4767 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
4768 if (ring->desc_next == index)
4769 break;
4770
4771 ndescs++;
4772
4773 rt2860_drain_fifo_stats(sc);
4774
4775 desc = &ring->desc[ring->desc_next];
4776
4777 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4778 BUS_DMASYNC_POSTREAD);
4779
4780 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
4781 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
4782 {
4783 nframes++;
4784
4785 data = &ring->data[ring->data_next];
4786
4787 if (data->m->m_flags & M_TXCB)
4788 ieee80211_process_callback(data->ni, data->m, 0);
4789
4790 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4791 BUS_DMASYNC_POSTWRITE);
4792 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4793
4794 m_freem(data->m);
4795
4796 ieee80211_free_node(data->ni);
4797
4798 data->m = NULL;
4799 data->ni = NULL;
4800
4801 ifp->if_opackets++;
4802
4803 RT2860_SOFTC_LOCK(sc);
4804
4805 ring->data_queued--;
4806 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4807
4808 RT2860_SOFTC_UNLOCK(sc);
4809 }
4810
4811 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
4812
4813 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4814 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4815
4816 RT2860_SOFTC_LOCK(sc);
4817
4818 ring->desc_queued--;
4819 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4820
4821 RT2860_SOFTC_UNLOCK(sc);
4822 }
4823
4824 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4825 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
4826 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
4827 }
4828
4829 /*
4830 * rt2860_update_stats
4831 */
4832 static void rt2860_update_stats(struct rt2860_softc *sc)
4833 {
4834 struct ifnet *ifp;
4835 struct ieee80211com *ic;
4836 struct ieee80211_node *ni;
4837 uint32_t stacnt[3];
4838 int beacons, noretryok, retryok, failed;
4839 uint16_t associd;
4840 uint8_t wcid;
4841
4842 ifp = sc->ifp;
4843 ic = &sc->ic;
4844
4845 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4846 "%s: update statistic\n",
4847 device_get_nameunit(sc->dev));
4848
4849 rt2860_drain_fifo_stats(sc);
4850
4851 /* read and clear Tx statistic registers */
4852
4853 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
4854 stacnt, sizeof(stacnt));
4855
4856 stacnt[0] = le32toh(stacnt[0]);
4857 stacnt[1] = le32toh(stacnt[1]);
4858 stacnt[2] = le32toh(stacnt[2]);
4859
4860 beacons = stacnt[0] >> 16;
4861 noretryok = stacnt[1] & 0xffff;
4862 retryok = stacnt[1] >> 16;
4863 failed = stacnt[0] & 0xffff;
4864
4865 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4866 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
4867 device_get_nameunit(sc->dev),
4868 beacons, noretryok, retryok, failed);
4869
4870 ifp->if_oerrors += failed;
4871
4872 sc->tx_beacons += beacons;
4873 sc->tx_noretryok += noretryok;
4874 sc->tx_retryok += retryok;
4875 sc->tx_failed += failed;
4876
4877 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4878 {
4879 ni = ic->ic_bss;
4880
4881 associd = (ni != NULL) ? ni->ni_associd : 0;
4882 wcid = RT2860_AID2WCID(associd);
4883
4884 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
4885 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4886 }
4887 }
4888
4889 /*
4890 * rt2860_bbp_tuning
4891 */
4892 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
4893 {
4894 struct ieee80211com *ic;
4895 struct ieee80211_node *ni;
4896 int chan, group;
4897 int8_t rssi, old, new;
4898
4899 /* RT2860C does not support BBP tuning */
4900
4901 if (sc->mac_rev == 0x28600100)
4902 return;
4903
4904 ic = &sc->ic;
4905
4906 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
4907 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
4908 return;
4909
4910 ni = ic->ic_bss;
4911
4912 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
4913
4914 if (chan <= 14)
4915 group = 0;
4916 else if (chan <= 64)
4917 group = 1;
4918 else if (chan <= 128)
4919 group = 2;
4920 else
4921 group = 3;
4922
4923 rssi = ieee80211_getrssi(ic);
4924
4925 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
4926 {
4927 new = 0x2e + sc->lna_gain[group];
4928 }
4929 else
4930 {
4931 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
4932 new = 0x32 + sc->lna_gain[group] * 5 / 3;
4933 else
4934 new = 0x3a + sc->lna_gain[group] * 5 / 3;
4935 }
4936
4937 /* Tune if absolute average RSSI is greater than -80 */
4938
4939 if (rssi > -80)
4940 new += 0x10;
4941
4942 old = rt2860_io_bbp_read(sc, 66);
4943
4944 if (old != new)
4945 rt2860_io_bbp_write(sc, 66, new);
4946 }
4947
4948 /*
4949 * rt2860_watchdog
4950 */
4951 static void rt2860_watchdog(struct rt2860_softc *sc)
4952 {
4953 uint32_t tmp;
4954 int ntries;
4955
4956 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4957
4958 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
4959 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4960 device_get_nameunit(sc->dev), tmp);
4961
4962 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
4963 {
4964 sc->tx_queue_not_empty[0]++;
4965
4966 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
4967
4968 for (ntries = 0; ntries < 10; ntries++)
4969 {
4970 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4971 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
4972 break;
4973
4974 DELAY(1);
4975 }
4976
4977 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4978 }
4979
4980 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
4981 {
4982 sc->tx_queue_not_empty[1]++;
4983
4984 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
4985
4986 for (ntries = 0; ntries < 10; ntries++)
4987 {
4988 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4989 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
4990 break;
4991
4992 DELAY(1);
4993 }
4994
4995 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4996 }
4997 }
4998
4999 /*
5000 * rt2860_drain_fifo_stats
5001 */
5002 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5003 {
5004 struct ifnet *ifp;
5005 uint32_t stats;
5006 uint8_t wcid, mcs, pid;
5007 int ok, agg, retrycnt;
5008
5009 ifp = sc->ic.ic_ifp;
5010
5011 /* drain Tx status FIFO (maxsize = 16) */
5012
5013 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5014 RT2860_REG_TX_STA_FIFO_VALID)
5015 {
5016 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5017 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5018
5019 /* if no ACK was requested, no feedback is available */
5020
5021 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5022 continue;
5023
5024 /* update AMRR statistic */
5025
5026 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5027 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5028 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5029 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5030 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5031 RT2860_REG_TX_STA_FIFO_PID_MASK;
5032 retrycnt = pid - mcs;
5033
5034 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5035 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5036 device_get_nameunit(sc->dev),
5037 wcid, ok, agg, mcs, pid, retrycnt);
5038
5039 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5040
5041 if (!ok)
5042 ifp->if_oerrors++;
5043 }
5044 }
5045
5046 /*
5047 * rt2860_update_raw_counters
5048 */
5049 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5050 {
5051 uint32_t tmp;
5052
5053 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5054
5055 sc->tx_nonagg += tmp & 0xffff;
5056 sc->tx_agg += tmp >> 16;
5057
5058 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5059
5060 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5061
5062 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5063
5064 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5065
5066 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5067
5068 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5069
5070 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5071
5072 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5073
5074 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5075
5076 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5077
5078 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5079
5080 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5081
5082 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5083
5084 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5085
5086 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5087
5088 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5089
5090 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5091
5092 sc->rx_crc_errors += tmp & 0xffff;
5093 sc->rx_phy_errors += tmp >> 16;
5094
5095 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5096
5097 sc->rx_false_ccas += tmp & 0xffff;
5098 sc->rx_plcp_errors += tmp >> 16;
5099
5100 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5101
5102 sc->rx_dup_packets += tmp & 0xffff;
5103 sc->rx_fifo_overflows += tmp >> 16;
5104 }
5105
5106 /*
5107 * rt2860_intr_enable
5108 */
5109 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5110 {
5111 uint32_t tmp;
5112
5113 sc->intr_disable_mask &= ~intr_mask;
5114
5115 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5116
5117 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5118 }
5119
5120 /*
5121 * rt2860_intr_disable
5122 */
5123 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5124 {
5125 uint32_t tmp;
5126
5127 sc->intr_disable_mask |= intr_mask;
5128
5129 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5130
5131 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5132 }
5133
5134 /*
5135 * rt2860_txrx_enable
5136 */
5137 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5138 {
5139 struct ieee80211com *ic;
5140 struct ifnet *ifp;
5141 uint32_t tmp;
5142 int ntries;
5143
5144 ic = &sc->ic;
5145 ifp = ic->ic_ifp;
5146
5147 /* enable Tx/Rx DMA engine */
5148
5149 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5150
5151 for (ntries = 0; ntries < 200; ntries++)
5152 {
5153 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5154 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5155 break;
5156
5157 DELAY(1000);
5158 }
5159
5160 if (ntries == 200)
5161 {
5162 printf("%s: timeout waiting for DMA engine\n",
5163 device_get_nameunit(sc->dev));
5164 return -1;
5165 }
5166
5167 DELAY(50);
5168
5169 tmp |= RT2860_REG_TX_WB_DDONE |
5170 RT2860_REG_RX_DMA_ENABLE |
5171 RT2860_REG_TX_DMA_ENABLE |
5172 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5173
5174 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5175
5176 /* set Rx filter */
5177
5178 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5179 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5180
5181 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5182 {
5183 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5184 RT2860_REG_RX_FILTER_DROP_CTS |
5185 RT2860_REG_RX_FILTER_DROP_BA |
5186 RT2860_REG_RX_FILTER_DROP_ACK |
5187 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5188 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5189 RT2860_REG_RX_FILTER_DROP_CFACK |
5190 RT2860_REG_RX_FILTER_DROP_CFEND;
5191
5192 if (ic->ic_opmode == IEEE80211_M_STA)
5193 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5194 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5195
5196 if (!(ifp->if_flags & IFF_PROMISC))
5197 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5198 }
5199
5200 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5201
5202 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5203 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5204
5205 return 0;
5206 }
5207
5208 /*
5209 * rt2860_alloc_rx_ring
5210 */
5211 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5212 struct rt2860_softc_rx_ring *ring)
5213 {
5214 struct rt2860_rxdesc *desc;
5215 struct rt2860_softc_rx_data *data;
5216 bus_dma_segment_t segs[1];
5217 int i, nsegs, error;
5218
5219 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5220 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5221 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5222 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5223 0, NULL, NULL, &ring->desc_dma_tag);
5224 if (error != 0)
5225 {
5226 printf("%s: could not create Rx desc DMA tag\n",
5227 device_get_nameunit(sc->dev));
5228 goto fail;
5229 }
5230
5231 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5232 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5233 if (error != 0)
5234 {
5235 printf("%s: could not allocate Rx desc DMA memory\n",
5236 device_get_nameunit(sc->dev));
5237 goto fail;
5238 }
5239
5240 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5241 ring->desc,
5242 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5243 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5244 if (error != 0)
5245 {
5246 printf("%s: could not load Rx desc DMA map\n",
5247 device_get_nameunit(sc->dev));
5248 goto fail;
5249 }
5250
5251 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5252 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5253 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5254 &ring->data_dma_tag);
5255 if (error != 0)
5256 {
5257 printf("%s: could not create Rx data DMA tag\n",
5258 device_get_nameunit(sc->dev));
5259 goto fail;
5260 }
5261
5262 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5263 {
5264 desc = &ring->desc[i];
5265 data = &ring->data[i];
5266
5267 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5268 if (error != 0)
5269 {
5270 printf("%s: could not create Rx data DMA map\n",
5271 device_get_nameunit(sc->dev));
5272 goto fail;
5273 }
5274
5275 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5276 if (data->m == NULL)
5277 {
5278 printf("%s: could not allocate Rx mbuf\n",
5279 device_get_nameunit(sc->dev));
5280 error = ENOMEM;
5281 goto fail;
5282 }
5283
5284 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5285
5286 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5287 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5288 if (error != 0)
5289 {
5290 printf("%s: could not load Rx mbuf DMA map\n",
5291 device_get_nameunit(sc->dev));
5292 goto fail;
5293 }
5294
5295 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5296 device_get_name(sc->dev)));
5297
5298 desc->sdp0 = htole32(segs[0].ds_addr);
5299 desc->sdl0 = htole16(MJUMPAGESIZE);
5300 }
5301
5302 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5303 if (error != 0)
5304 {
5305 printf("%s: could not create Rx spare DMA map\n",
5306 device_get_nameunit(sc->dev));
5307 goto fail;
5308 }
5309
5310 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5311 BUS_DMASYNC_PREWRITE);
5312
5313 return 0;
5314
5315 fail:
5316
5317 rt2860_free_rx_ring(sc, ring);
5318
5319 return error;
5320 }
5321
5322 /*
5323 * rt2860_reset_rx_ring
5324 */
5325 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5326 struct rt2860_softc_rx_ring *ring)
5327 {
5328 struct rt2860_rxdesc *desc;
5329 int i;
5330
5331 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5332 {
5333 desc = &ring->desc[i];
5334
5335 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5336 }
5337
5338 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5339 BUS_DMASYNC_PREWRITE);
5340
5341 ring->cur = 0;
5342 }
5343
5344 /*
5345 * rt2860_free_rx_ring
5346 */
5347 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5348 struct rt2860_softc_rx_ring *ring)
5349 {
5350 struct rt2860_softc_rx_data *data;
5351 int i;
5352
5353 if (ring->desc != NULL)
5354 {
5355 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5356 BUS_DMASYNC_POSTWRITE);
5357 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5358 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5359 ring->desc_dma_map);
5360 }
5361
5362 if (ring->desc_dma_tag != NULL)
5363 bus_dma_tag_destroy(ring->desc_dma_tag);
5364
5365 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5366 {
5367 data = &ring->data[i];
5368
5369 if (data->m != NULL)
5370 {
5371 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5372 BUS_DMASYNC_POSTREAD);
5373 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5374 m_freem(data->m);
5375 }
5376
5377 if (data->dma_map != NULL)
5378 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5379 }
5380
5381 if (ring->spare_dma_map != NULL)
5382 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5383
5384 if (ring->data_dma_tag != NULL)
5385 bus_dma_tag_destroy(ring->data_dma_tag);
5386 }
5387
5388 /*
5389 * rt2860_alloc_tx_ring
5390 */
5391 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5392 struct rt2860_softc_tx_ring *ring, int qid)
5393 {
5394 struct rt2860_softc_tx_data *data;
5395 int error, i;
5396
5397 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5398 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5399 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5400 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5401 0, NULL, NULL, &ring->desc_dma_tag);
5402 if (error != 0)
5403 {
5404 printf("%s: could not create Tx desc DMA tag\n",
5405 device_get_nameunit(sc->dev));
5406 goto fail;
5407 }
5408
5409 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5410 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5411 if (error != 0)
5412 {
5413 printf("%s: could not allocate Tx desc DMA memory\n",
5414 device_get_nameunit(sc->dev));
5415 goto fail;
5416 }
5417
5418 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5419 ring->desc,
5420 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5421 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5422 if (error != 0)
5423 {
5424 printf("%s: could not load Tx desc DMA map\n",
5425 device_get_nameunit(sc->dev));
5426 goto fail;
5427 }
5428
5429 ring->desc_queued = 0;
5430 ring->desc_cur = 0;
5431 ring->desc_next = 0;
5432
5433 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5434 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5435 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5436 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5437 0, NULL, NULL, &ring->seg0_dma_tag);
5438 if (error != 0)
5439 {
5440 printf("%s: could not create Tx seg0 DMA tag\n",
5441 device_get_nameunit(sc->dev));
5442 goto fail;
5443 }
5444
5445 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5446 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5447 if (error != 0)
5448 {
5449 printf("%s: could not allocate Tx seg0 DMA memory\n",
5450 device_get_nameunit(sc->dev));
5451 goto fail;
5452 }
5453
5454 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5455 ring->seg0,
5456 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5457 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5458 if (error != 0)
5459 {
5460 printf("%s: could not load Tx seg0 DMA map\n",
5461 device_get_nameunit(sc->dev));
5462 goto fail;
5463 }
5464
5465 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5466 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5467 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5468 &ring->data_dma_tag);
5469 if (error != 0)
5470 {
5471 printf("%s: could not create Tx data DMA tag\n",
5472 device_get_nameunit(sc->dev));
5473 goto fail;
5474 }
5475
5476 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5477 {
5478 data = &ring->data[i];
5479
5480 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5481 if (error != 0)
5482 {
5483 printf("%s: could not create Tx data DMA map\n",
5484 device_get_nameunit(sc->dev));
5485 goto fail;
5486 }
5487 }
5488
5489 ring->data_queued = 0;
5490 ring->data_cur = 0;
5491 ring->data_next = 0;
5492
5493 ring->qid = qid;
5494
5495 return 0;
5496
5497 fail:
5498
5499 rt2860_free_tx_ring(sc, ring);
5500
5501 return error;
5502 }
5503
5504 /*
5505 * rt2860_reset_tx_ring
5506 */
5507 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5508 struct rt2860_softc_tx_ring *ring)
5509 {
5510 struct rt2860_softc_tx_data *data;
5511 struct rt2860_txdesc *desc;
5512 int i;
5513
5514 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5515 {
5516 desc = &ring->desc[i];
5517
5518 desc->sdl0 = 0;
5519 desc->sdl1 = 0;
5520 }
5521
5522 ring->desc_queued = 0;
5523 ring->desc_cur = 0;
5524 ring->desc_next = 0;
5525
5526 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5527 BUS_DMASYNC_PREWRITE);
5528
5529 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5530 BUS_DMASYNC_PREWRITE);
5531
5532 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5533 {
5534 data = &ring->data[i];
5535
5536 if (data->m != NULL)
5537 {
5538 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5539 BUS_DMASYNC_POSTWRITE);
5540 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5541 m_freem(data->m);
5542 data->m = NULL;
5543 }
5544
5545 if (data->ni != NULL)
5546 {
5547 ieee80211_free_node(data->ni);
5548 data->ni = NULL;
5549 }
5550 }
5551
5552 ring->data_queued = 0;
5553 ring->data_cur = 0;
5554 ring->data_next = 0;
5555 }
5556
5557 /*
5558 * rt2860_free_tx_ring
5559 */
5560 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5561 struct rt2860_softc_tx_ring *ring)
5562 {
5563 struct rt2860_softc_tx_data *data;
5564 int i;
5565
5566 if (ring->desc != NULL)
5567 {
5568 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5569 BUS_DMASYNC_POSTWRITE);
5570 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5571 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5572 ring->desc_dma_map);
5573 }
5574
5575 if (ring->desc_dma_tag != NULL)
5576 bus_dma_tag_destroy(ring->desc_dma_tag);
5577
5578 if (ring->seg0 != NULL)
5579 {
5580 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5581 BUS_DMASYNC_POSTWRITE);
5582 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5583 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5584 ring->seg0_dma_map);
5585 }
5586
5587 if (ring->seg0_dma_tag != NULL)
5588 bus_dma_tag_destroy(ring->seg0_dma_tag);
5589
5590 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5591 {
5592 data = &ring->data[i];
5593
5594 if (data->m != NULL)
5595 {
5596 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5597 BUS_DMASYNC_POSTWRITE);
5598 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5599 m_freem(data->m);
5600 }
5601
5602 if (data->ni != NULL)
5603 ieee80211_free_node(data->ni);
5604
5605 if (data->dma_map != NULL)
5606 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5607 }
5608
5609 if (ring->data_dma_tag != NULL)
5610 bus_dma_tag_destroy(ring->data_dma_tag);
5611 }
5612
5613 /*
5614 * rt2860_dma_map_addr
5615 */
5616 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5617 int nseg, int error)
5618 {
5619 if (error != 0)
5620 return;
5621
5622 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5623
5624 *(bus_addr_t *) arg = segs[0].ds_addr;
5625 }
5626
5627 /*
5628 * rt2860_sysctl_attach
5629 */
5630 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5631 {
5632 struct sysctl_ctx_list *ctx;
5633 struct sysctl_oid *tree;
5634 struct sysctl_oid *stats;
5635
5636 ctx = device_get_sysctl_ctx(sc->dev);
5637 tree = device_get_sysctl_tree(sc->dev);
5638
5639 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5640 "stats", CTLFLAG_RD, 0, "statistic");
5641
5642 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5643 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5644 "all interrupts");
5645
5646 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5647 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5648 "Tx coherent interrupts");
5649
5650 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5651 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5652 "Rx coherent interrupts");
5653
5654 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5655 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5656 "Tx/Rx coherent interrupts");
5657
5658 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5659 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5660 "FIFO statistic full interrupts");
5661
5662 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5663 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5664 "Rx interrupts");
5665
5666 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5667 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5668 "Rx delay interrupts");
5669
5670 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5671 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5672 "Tx MGMT interrupts");
5673
5674 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5675 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5676 "Tx HCCA interrupts");
5677
5678 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5679 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5680 "Tx AC3 interrupts");
5681
5682 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5683 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5684 "Tx AC2 interrupts");
5685
5686 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5687 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5688 "Tx AC1 interrupts");
5689
5690 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5691 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5692 "Tx AC0 interrupts");
5693
5694 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5695 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5696 "Tx delay interrupts");
5697
5698 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5699 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5700 "Pre-TBTT interrupts");
5701
5702 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5703 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5704 "TBTT interrupts");
5705
5706 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5707 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5708 "MCU command interrupts");
5709
5710 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5711 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5712 "auto wakeup interrupts");
5713
5714 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5715 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5716 "GP timer interrupts");
5717
5718 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5719 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5720 "Tx MGMT descriptors queued");
5721
5722 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5723 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5724 "Tx MGMT data queued");
5725
5726 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5727 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5728 "Tx HCCA descriptors queued");
5729
5730 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5731 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5732 "Tx HCCA data queued");
5733
5734 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5735 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5736 "Tx AC3 descriptors queued");
5737
5738 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5739 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5740 "Tx AC3 data queued");
5741
5742 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5743 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5744 "Tx AC2 descriptors queued");
5745
5746 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5747 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5748 "Tx AC2 data queued");
5749
5750 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5751 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5752 "Tx AC1 descriptors queued");
5753
5754 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5755 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5756 "Tx AC1 data queued");
5757
5758 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5759 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5760 "Tx AC0 descriptors queued");
5761
5762 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5763 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5764 "Tx AC0 data queued");
5765
5766 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5767 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5768 "Tx MGMT data queue full");
5769
5770 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5771 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5772 "Tx HCCA data queue full");
5773
5774 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5775 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5776 "Tx AC3 data queue full");
5777
5778 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5779 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5780 "Tx AC2 data queue full");
5781
5782 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5783 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5784 "Tx AC1 data queue full");
5785
5786 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5787 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5788 "Tx AC0 data queue full");
5789
5790 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5791 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5792 "Tx watchdog timeouts");
5793
5794 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5795 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
5796 "Tx defragmented packets");
5797
5798 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5799 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
5800 "no Tx descriptors available");
5801
5802 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5803 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5804 "Rx mbuf allocation errors");
5805
5806 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5807 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
5808 "Rx mbuf DMA mapping errors");
5809
5810 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5811 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5812 "Tx queue 0 not empty");
5813
5814 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5815 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5816 "Tx queue 1 not empty");
5817
5818 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5819 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5820 "Tx beacons");
5821
5822 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5823 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5824 "Tx successfull without retries");
5825
5826 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5827 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5828 "Tx successfull with retries");
5829
5830 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5831 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5832 "Tx failed");
5833
5834 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5835 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5836 "Tx non-aggregated");
5837
5838 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5839 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5840 "Tx aggregated");
5841
5842 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5843 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5844 "Tx A-MPDU");
5845
5846 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5847 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5848 "Rx packets");
5849
5850 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5851 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5852 "Rx A-MPDU");
5853
5854 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5855 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5856 "Rx A-MSDU");
5857
5858 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5859 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5860 "Rx CRC errors");
5861
5862 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5863 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5864 "Rx PHY errors");
5865
5866 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5867 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5868 "Rx false CCAs");
5869
5870 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5871 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5872 "Rx PLCP errors");
5873
5874 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5875 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5876 "Rx duplicate packets");
5877
5878 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5879 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5880 "Rx FIFO overflows");
5881 }
5882
5883 static device_method_t rt2860_dev_methods[] =
5884 {
5885 DEVMETHOD(device_probe, rt2860_probe),
5886 DEVMETHOD(device_attach, rt2860_attach),
5887 DEVMETHOD(device_detach, rt2860_detach),
5888 DEVMETHOD(device_shutdown, rt2860_shutdown),
5889 DEVMETHOD(device_suspend, rt2860_suspend),
5890 DEVMETHOD(device_resume, rt2860_resume),
5891 { 0, 0 }
5892 };
5893
5894 static driver_t rt2860_driver =
5895 {
5896 "rt2860",
5897 rt2860_dev_methods,
5898 sizeof(struct rt2860_softc)
5899 };
5900
5901 static devclass_t rt2860_dev_class;
5902
5903 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
5904
5905 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
5906 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860