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Tx HT frames with STBC only if we have 2 or more Tx antennas
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
bloba280d5395baa01bcb979be1ff3d92ffbc9ebd8b9
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 struct ieee80211_node *rt2860_node_alloc(struct ieee80211_node_table *nt);
142
143 static void rt2860_recv_action(struct ieee80211_node *ni,
144 const uint8_t *frm, const uint8_t *efrm);
145
146 static int rt2860_send_action(struct ieee80211_node *ni,
147 int category, int action, uint16_t args[4]);
148
149 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
150
151 static void rt2860_periodic(void *arg);
152
153 static void rt2860_tx_watchdog(void *arg);
154
155 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
156 const uint8_t *bssid);
157
158 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
159 const uint8_t *addr);
160
161 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
162
163 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
164
165 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
166
167 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
168
169 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
170
171 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
172
173 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
174
175 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
176
177 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
178
179 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
180
181 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
182
183 static int rt2860_asic_update_beacon(struct rt2860_softc *sc);
184
185 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
186
187 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
188
189 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
190 const struct rt2860_rxwi *rxwi);
191
192 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
193 uint8_t rssi, uint8_t rxpath);
194
195 static uint8_t rt2860_rate2mcs(uint8_t rate);
196
197 static int rt2860_ackrate(struct ieee80211com *ic, int rate);
198
199 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags);
200
201 static int rt2860_tx_frame(struct rt2860_softc *sc,
202 struct mbuf *m, struct ieee80211_node *ni, int qid);
203
204 static int rt2860_tx_raw(struct rt2860_softc *sc,
205 struct mbuf *m, struct ieee80211_node *ni,
206 const struct ieee80211_bpf_params *params);
207
208 static void rt2860_intr(void *arg);
209
210 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
211
212 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
213
214 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
215
216 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
217
218 static void rt2860_rx_intr(struct rt2860_softc *sc);
219
220 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
221
222 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
223
224 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
225
226 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
227
228 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
229
230 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
231
232 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
233
234 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
235
236 static void rt2860_rx_done_task(void *context, int pending);
237
238 static void rt2860_tx_done_task(void *context, int pending);
239
240 static void rt2860_fifo_sta_full_task(void *context, int pending);
241
242 static void rt2860_periodic_task(void *context, int pending);
243
244 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
245
246 static void rt2860_tx_eof(struct rt2860_softc *sc,
247 struct rt2860_softc_tx_ring *ring);
248
249 static void rt2860_update_stats(struct rt2860_softc *sc);
250
251 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
252
253 static void rt2860_watchdog(struct rt2860_softc *sc);
254
255 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
256
257 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
258
259 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
260
261 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
262
263 static int rt2860_txrx_enable(struct rt2860_softc *sc);
264
265 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
266 struct rt2860_softc_rx_ring *ring);
267
268 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
269 struct rt2860_softc_rx_ring *ring);
270
271 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
272 struct rt2860_softc_rx_ring *ring);
273
274 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
275 struct rt2860_softc_tx_ring *ring, int qid);
276
277 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
278 struct rt2860_softc_tx_ring *ring);
279
280 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
281 struct rt2860_softc_tx_ring *ring);
282
283 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
284 int nseg, int error);
285
286 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
287
288 /*
289 * Static variables
290 */
291
292 static const struct rt2860_pci_ident rt2860_pci_ids[] =
293 {
294 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
295 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
296 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
297 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
298 { 0, 0, NULL }
299 };
300
301 static const struct
302 {
303 uint32_t reg;
304 uint32_t val;
305 } rt2860_def_mac[] =
306 {
307 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
308 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
309 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
310 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
311 { RT2860_REG_SYS_CTRL, 0x00000000 },
312 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
313 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
314 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
315 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
316 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
317 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
318 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
319 { RT2860_REG_LED_CFG, 0x7f031e46 },
320 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
321 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
322 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
323 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
324 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
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_SMPS_OFF | /* SM power save mode */
568 IEEE80211_HTCAP_MCSFBACK_UNSOL | /* unsolicited MCS feedback */
569 IEEE80211_HTCAP_HTC; /* HTC+ */
570
571 /* spatial streams */
572
573 if (sc->nrxpath == 2)
574 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
575 else if (sc->nrxpath == 3)
576 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
577 else
578 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
579
580 if (sc->ntxpath > 1)
581 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
582
583 /* delayed BA */
584
585 if (sc->mac_rev != 0x28600100)
586 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
587
588 /* init channels */
589
590 ic->ic_nchans = 0;
591 ic->ic_regdomain = 0;
592 ic->ic_countrycode = CTRY_DEFAULT;
593 ic->ic_location = 0;
594
595 rt2860_init_channels(sc);
596
597 rt2860_init_channels_ht40(sc);
598
599 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
600
601 ieee80211_ifattach(ic);
602
603 sc->newstate = ic->ic_newstate;
604 ic->ic_newstate = rt2860_newstate;
605
606 ic->ic_reset = rt2860_reset;
607 ic->ic_node_alloc = rt2860_node_alloc;
608 ic->ic_scan_start = rt2860_scan_start;
609 ic->ic_scan_end = rt2860_scan_end;
610 ic->ic_set_channel = rt2860_set_channel;
611 ic->ic_newassoc = rt2860_newassoc;
612 ic->ic_updateslot = rt2860_updateslot;
613 ic->ic_wme.wme_update = rt2860_wme_update;
614 ic->ic_update_beacon = rt2860_update_beacon;
615 ic->ic_crypto.cs_key_update_begin = rt2860_key_update_begin;
616 ic->ic_crypto.cs_key_update_end = rt2860_key_update_end;
617 ic->ic_crypto.cs_key_set = rt2860_key_set;
618 ic->ic_crypto.cs_key_delete = rt2860_key_delete;
619 ic->ic_raw_xmit = rt2860_raw_xmit;
620
621 sc->recv_action = ic->ic_recv_action;
622 ic->ic_recv_action = rt2860_recv_action;
623
624 sc->send_action = ic->ic_send_action;
625 ic->ic_send_action = rt2860_send_action;
626
627 /* override Rx A-MPDU factor */
628
629 ic->ic_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
630 ic->ic_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
631 ic->ic_ampdu_limit = ic->ic_ampdu_rxmax;
632
633 /* hardware requires padding between 802.11 frame header and body */
634
635 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
636
637 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
638
639 ieee80211_media_init(ic, rt2860_media_change, ieee80211_media_status);
640
641 rt2860_amrr_init(&sc->amrr, ic,
642 sc->ntxpath,
643 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
644 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
645 500);
646
647 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
648 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
649 &sc->drvbpf);
650
651 sc->rxtap_len = sizeof(sc->rxtapu);
652 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
653 sc->rxtap.ihdr.it_present = htole32(RT2860_SOFTC_RX_RADIOTAP_PRESENT);
654
655 sc->txtap_len = sizeof(sc->txtapu);
656 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
657 sc->txtap.ihdr.it_present = htole32(RT2860_SOFTC_TX_RADIOTAP_PRESENT);
658
659 /* init task queue */
660
661 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
662 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
663 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
664 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
665
666 sc->rx_process_limit = 100;
667
668 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
669 taskqueue_thread_enqueue, &sc->taskqueue);
670
671 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
672 device_get_nameunit(sc->dev));
673
674 rt2860_sysctl_attach(sc);
675
676 if (bootverbose)
677 ieee80211_announce(ic);
678
679 /* set up interrupt */
680
681 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
682 NULL, rt2860_intr, sc, &sc->irqh);
683 if (error != 0)
684 {
685 printf("%s: could not set up interrupt\n",
686 device_get_nameunit(dev));
687 goto fail;
688 }
689
690 return 0;
691
692 fail:
693
694 /* free Tx and Rx rings */
695
696 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
697 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
698
699 rt2860_free_rx_ring(sc, &sc->rx_ring);
700
701 mtx_destroy(&sc->lock);
702
703 if (sc->mem != NULL)
704 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
705
706 if (sc->irq != NULL)
707 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
708
709 return error;
710 }
711
712 /*
713 * rt2860_detach
714 */
715 static int rt2860_detach(device_t dev)
716 {
717 struct rt2860_softc *sc;
718 struct ieee80211com *ic;
719 struct ifnet *ifp;
720 int i;
721
722 sc = device_get_softc(dev);
723 ic = &sc->ic;
724 ifp = ic->ic_ifp;
725
726 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
727 "%s: detaching\n",
728 device_get_nameunit(sc->dev));
729
730 RT2860_SOFTC_LOCK(sc);
731
732 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
733
734 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
735
736 callout_stop(&sc->periodic_ch);
737 callout_stop(&sc->tx_watchdog_ch);
738
739 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
740 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
741 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
742 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
743
744 /* free Tx and Rx rings */
745
746 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
747 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
748
749 rt2860_free_rx_ring(sc, &sc->rx_ring);
750
751 RT2860_SOFTC_UNLOCK(sc);
752
753 bpfdetach(ifp);
754
755 ieee80211_ifdetach(ic);
756
757 if_free(ifp);
758
759 taskqueue_free(sc->taskqueue);
760
761 mtx_destroy(&sc->lock);
762
763 bus_generic_detach(dev);
764
765 bus_teardown_intr(dev, sc->irq, sc->irqh);
766
767 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
768
769 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
770
771 return 0;
772 }
773
774 /*
775 * rt2860_shutdown
776 */
777 static int rt2860_shutdown(device_t dev)
778 {
779 struct rt2860_softc *sc;
780
781 sc = device_get_softc(dev);
782
783 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
784 "%s: shutting down\n",
785 device_get_nameunit(sc->dev));
786
787 rt2860_stop(sc);
788
789 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
790
791 return 0;
792 }
793
794 /*
795 * rt2860_suspend
796 */
797 static int rt2860_suspend(device_t dev)
798 {
799 struct rt2860_softc *sc;
800
801 sc = device_get_softc(dev);
802
803 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
804 "%s: suspending\n",
805 device_get_nameunit(sc->dev));
806
807 rt2860_stop(sc);
808
809 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
810
811 return 0;
812 }
813
814 /*
815 * rt2860_resume
816 */
817 static int rt2860_resume(device_t dev)
818 {
819 struct rt2860_softc *sc;
820 struct ifnet *ifp;
821
822 sc = device_get_softc(dev);
823 ifp = sc->ifp;
824
825 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
826 "%s: resuming\n",
827 device_get_nameunit(sc->dev));
828
829 if (ifp->if_flags & IFF_UP)
830 rt2860_init(sc);
831
832 return 0;
833 }
834
835 /*
836 * rt2860_init_channels
837 */
838 static void rt2860_init_channels(struct rt2860_softc *sc)
839 {
840 struct ieee80211com *ic;
841 struct ieee80211_channel *c;
842 int i, flags;
843
844 ic = &sc->ic;
845
846 /* set supported channels for 2GHz band */
847
848 for (i = 1; i <= 14; i++)
849 {
850 c = &ic->ic_channels[ic->ic_nchans++];
851 flags = IEEE80211_CHAN_B;
852
853 c->ic_freq = ieee80211_ieee2mhz(i, flags);
854 c->ic_ieee = i;
855 c->ic_flags = flags;
856
857 c = &ic->ic_channels[ic->ic_nchans++];
858 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
859
860 c->ic_freq = ieee80211_ieee2mhz(i, flags);
861 c->ic_ieee = i;
862 c->ic_flags = flags;
863
864 c = &ic->ic_channels[ic->ic_nchans++];
865 flags = IEEE80211_CHAN_G;
866
867 c->ic_freq = ieee80211_ieee2mhz(i, flags);
868 c->ic_ieee = i;
869 c->ic_flags = flags;
870
871 c = &ic->ic_channels[ic->ic_nchans++];
872 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
873
874 c->ic_freq = ieee80211_ieee2mhz(i, flags);
875 c->ic_ieee = i;
876 c->ic_flags = flags;
877 }
878
879 /* set supported channels for 5GHz band */
880
881 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
882 sc->rf_rev == RT2860_EEPROM_RF_2750)
883 {
884 for (i = 36; i <= 64; i += 4)
885 {
886 c = &ic->ic_channels[ic->ic_nchans++];
887 flags = IEEE80211_CHAN_A;
888
889 c->ic_freq = ieee80211_ieee2mhz(i, flags);
890 c->ic_ieee = i;
891 c->ic_flags = flags;
892
893 c = &ic->ic_channels[ic->ic_nchans++];
894 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
895
896 c->ic_freq = ieee80211_ieee2mhz(i, flags);
897 c->ic_ieee = i;
898 c->ic_flags = flags;
899 }
900
901 for (i = 100; i <= 140; i += 4)
902 {
903 c = &ic->ic_channels[ic->ic_nchans++];
904 flags = IEEE80211_CHAN_A;
905
906 c->ic_freq = ieee80211_ieee2mhz(i, flags);
907 c->ic_ieee = i;
908 c->ic_flags = flags;
909
910 c = &ic->ic_channels[ic->ic_nchans++];
911 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
912
913 c->ic_freq = ieee80211_ieee2mhz(i, flags);
914 c->ic_ieee = i;
915 c->ic_flags = flags;
916 }
917
918 for (i = 149; i <= 165; i += 4)
919 {
920 c = &ic->ic_channels[ic->ic_nchans++];
921 flags = IEEE80211_CHAN_A;
922
923 c->ic_freq = ieee80211_ieee2mhz(i, flags);
924 c->ic_ieee = i;
925 c->ic_flags = flags;
926
927 c = &ic->ic_channels[ic->ic_nchans++];
928 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
929
930 c->ic_freq = ieee80211_ieee2mhz(i, flags);
931 c->ic_ieee = i;
932 c->ic_flags = flags;
933 }
934 }
935 }
936
937 /*
938 * rt2860_init_channels_ht40
939 */
940 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
941 {
942 struct ieee80211com *ic;
943 struct ieee80211_channel *c, *cent, *ext;
944 int i, flags;
945
946 ic = &sc->ic;
947
948 /* set supported channels for 2GHz band */
949
950 for (i = 1; i <= 14; i++)
951 {
952 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
953
954 /* find the center channel */
955
956 cent = ieee80211_find_channel_byieee(ic, i,
957 flags & ~IEEE80211_CHAN_HT);
958 if (cent == NULL)
959 {
960 printf("%s: skip channel %d, could not find center channel\n",
961 device_get_nameunit(sc->dev), i);
962 continue;
963 }
964
965 /* find the extension channel */
966
967 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
968 flags & ~IEEE80211_CHAN_HT);
969 if (ext == NULL)
970 {
971 printf("%s: skip channel %d, could not find extension channel\n",
972 device_get_nameunit(sc->dev), i);
973 continue;
974 }
975
976 c = &ic->ic_channels[ic->ic_nchans++];
977
978 *c = *cent;
979 c->ic_extieee = ext->ic_ieee;
980 c->ic_flags &= ~IEEE80211_CHAN_HT;
981 c->ic_flags |= IEEE80211_CHAN_HT40U;
982
983 c = &ic->ic_channels[ic->ic_nchans++];
984
985 *c = *ext;
986 c->ic_extieee = cent->ic_ieee;
987 c->ic_flags &= ~IEEE80211_CHAN_HT;
988 c->ic_flags |= IEEE80211_CHAN_HT40D;
989 }
990
991 /* set supported channels for 5GHz band */
992
993 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
994 sc->rf_rev == RT2860_EEPROM_RF_2750)
995 {
996 for (i = 36; i <= 64; i += 4)
997 {
998 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
999
1000 /* find the center channel */
1001
1002 cent = ieee80211_find_channel_byieee(ic, i,
1003 flags & ~IEEE80211_CHAN_HT);
1004 if (cent == NULL)
1005 {
1006 printf("%s: skip channel %d, could not find center channel\n",
1007 device_get_nameunit(sc->dev), i);
1008 continue;
1009 }
1010
1011 /* find the extension channel */
1012
1013 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1014 flags & ~IEEE80211_CHAN_HT);
1015 if (ext == NULL)
1016 {
1017 printf("%s: skip channel %d, could not find extension channel\n",
1018 device_get_nameunit(sc->dev), i);
1019 continue;
1020 }
1021
1022 c = &ic->ic_channels[ic->ic_nchans++];
1023
1024 *c = *cent;
1025 c->ic_extieee = ext->ic_ieee;
1026 c->ic_flags &= ~IEEE80211_CHAN_HT;
1027 c->ic_flags |= IEEE80211_CHAN_HT40U;
1028
1029 c = &ic->ic_channels[ic->ic_nchans++];
1030
1031 *c = *ext;
1032 c->ic_extieee = cent->ic_ieee;
1033 c->ic_flags &= ~IEEE80211_CHAN_HT;
1034 c->ic_flags |= IEEE80211_CHAN_HT40D;
1035 }
1036
1037 for (i = 100; i <= 140; i += 4)
1038 {
1039 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1040
1041 /* find the center channel */
1042
1043 cent = ieee80211_find_channel_byieee(ic, i,
1044 flags & ~IEEE80211_CHAN_HT);
1045 if (cent == NULL)
1046 {
1047 printf("%s: skip channel %d, could not find center channel\n",
1048 device_get_nameunit(sc->dev), i);
1049 continue;
1050 }
1051
1052 /* find the extension channel */
1053
1054 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1055 flags & ~IEEE80211_CHAN_HT);
1056 if (ext == NULL)
1057 {
1058 printf("%s: skip channel %d, could not find extension channel\n",
1059 device_get_nameunit(sc->dev), i);
1060 continue;
1061 }
1062
1063 c = &ic->ic_channels[ic->ic_nchans++];
1064
1065 *c = *cent;
1066 c->ic_extieee = ext->ic_ieee;
1067 c->ic_flags &= ~IEEE80211_CHAN_HT;
1068 c->ic_flags |= IEEE80211_CHAN_HT40U;
1069
1070 c = &ic->ic_channels[ic->ic_nchans++];
1071
1072 *c = *ext;
1073 c->ic_extieee = cent->ic_ieee;
1074 c->ic_flags &= ~IEEE80211_CHAN_HT;
1075 c->ic_flags |= IEEE80211_CHAN_HT40D;
1076 }
1077
1078 for (i = 149; i <= 165; i += 4)
1079 {
1080 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1081
1082 /* find the center channel */
1083
1084 cent = ieee80211_find_channel_byieee(ic, i,
1085 flags & ~IEEE80211_CHAN_HT);
1086 if (cent == NULL)
1087 {
1088 printf("%s: skip channel %d, could not find center channel\n",
1089 device_get_nameunit(sc->dev), i);
1090 continue;
1091 }
1092
1093 /* find the extension channel */
1094
1095 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1096 flags & ~IEEE80211_CHAN_HT);
1097 if (ext == NULL)
1098 {
1099 printf("%s: skip channel %d, could not find extension channel\n",
1100 device_get_nameunit(sc->dev), i);
1101 continue;
1102 }
1103
1104 c = &ic->ic_channels[ic->ic_nchans++];
1105
1106 *c = *cent;
1107 c->ic_extieee = ext->ic_ieee;
1108 c->ic_flags &= ~IEEE80211_CHAN_HT;
1109 c->ic_flags |= IEEE80211_CHAN_HT40U;
1110
1111 c = &ic->ic_channels[ic->ic_nchans++];
1112
1113 *c = *ext;
1114 c->ic_extieee = cent->ic_ieee;
1115 c->ic_flags &= ~IEEE80211_CHAN_HT;
1116 c->ic_flags |= IEEE80211_CHAN_HT40D;
1117 }
1118 }
1119 }
1120
1121 /*
1122 * rt2860_init_locked
1123 */
1124 static void rt2860_init_locked(void *priv)
1125 {
1126 struct rt2860_softc *sc;
1127 struct ieee80211com *ic;
1128 struct ifnet *ifp;
1129 int error, i, ntries;
1130 uint32_t tmp, stacnt[6];
1131
1132 sc = priv;
1133 ic = &sc->ic;
1134 ifp = ic->ic_ifp;
1135
1136 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1137 "%s: initializing\n",
1138 device_get_nameunit(sc->dev));
1139
1140 RT2860_SOFTC_ASSERT_LOCKED(sc);
1141
1142 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1143 {
1144 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1145 "%s: loading 8051 microcode\n",
1146 device_get_nameunit(sc->dev));
1147
1148 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1149 if (error != 0)
1150 {
1151 printf("%s: could not load 8051 microcode\n",
1152 device_get_nameunit(sc->dev));
1153 goto fail;
1154 }
1155
1156 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1157 "%s: 8051 microcode was successfully loaded\n",
1158 device_get_nameunit(sc->dev));
1159
1160 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1161 }
1162
1163 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1164
1165 /* disable DMA engine */
1166
1167 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1168
1169 tmp &= 0xff0;
1170 tmp |= RT2860_REG_TX_WB_DDONE;
1171
1172 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1173
1174 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1175
1176 /* PBF hardware reset */
1177
1178 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1179 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1180
1181 /* wait while DMA engine is busy */
1182
1183 for (ntries = 0; ntries < 100; ntries++)
1184 {
1185 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1186 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1187 break;
1188
1189 DELAY(1000);
1190 }
1191
1192 if (ntries == 100)
1193 {
1194 printf("%s: timeout waiting for DMA engine\n",
1195 device_get_nameunit(sc->dev));
1196 goto fail;
1197 }
1198
1199 tmp &= 0xff0;
1200 tmp |= RT2860_REG_TX_WB_DDONE;
1201
1202 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1203
1204 /* reset Rx and Tx rings */
1205
1206 tmp = RT2860_REG_RST_IDX_RX |
1207 RT2860_REG_RST_IDX_TX_MGMT |
1208 RT2860_REG_RST_IDX_TX_HCCA |
1209 RT2860_REG_RST_IDX_TX_AC3 |
1210 RT2860_REG_RST_IDX_TX_AC2 |
1211 RT2860_REG_RST_IDX_TX_AC1 |
1212 RT2860_REG_RST_IDX_TX_AC0;
1213
1214 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1215
1216 /* PBF hardware reset */
1217
1218 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1219 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1220
1221 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1222
1223 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1224 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1225 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1226
1227 /* init Tx power per rate */
1228
1229 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1230 {
1231 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1232 continue;
1233
1234 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1235 sc->txpow_rate_20mhz[i]);
1236 }
1237
1238 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1239 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1240 rt2860_def_mac[i].val);
1241
1242 /* wait while MAC is busy */
1243
1244 for (ntries = 0; ntries < 100; ntries++)
1245 {
1246 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1247 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1248 break;
1249
1250 DELAY(1000);
1251 }
1252
1253 if (ntries == 100)
1254 {
1255 printf("%s: timeout waiting for MAC\n",
1256 device_get_nameunit(sc->dev));
1257 goto fail;
1258 }
1259
1260 /* clear Host to MCU mailbox */
1261
1262 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1263 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1264
1265 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1266 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1267
1268 DELAY(1000);
1269
1270 error = rt2860_init_bbp(sc);
1271 if (error != 0)
1272 goto fail;
1273
1274 /* set up maximum buffer sizes */
1275
1276 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1277
1278 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1279
1280 /* set mac address */
1281
1282 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1283
1284 rt2860_asic_set_macaddr(sc, ic->ic_myaddr);
1285
1286 /* clear statistic registers */
1287
1288 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1289 stacnt, sizeof(stacnt));
1290
1291 /* set RTS threshold */
1292
1293 rt2860_asic_update_rtsthreshold(sc);
1294
1295 /* set Tx power */
1296
1297 rt2860_asic_update_txpower(sc);
1298
1299 /* set up protection mode */
1300
1301 rt2860_asic_updateprot(sc);
1302
1303 /* clear key tables */
1304
1305 rt2860_asic_clear_keytables(sc);
1306
1307 /* clear beacon frame space (entries = 8, entry size = 512) */
1308
1309 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1310
1311 taskqueue_unblock(sc->taskqueue);
1312
1313 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1314
1315 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1316 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1317
1318 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1319 {
1320 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1321 sc->tx_ring[i].desc_phys_addr);
1322 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1323 RT2860_SOFTC_TX_RING_DESC_COUNT);
1324 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1325 }
1326
1327 /* init Rx ring */
1328
1329 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1330
1331 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1332 sc->rx_ring.desc_phys_addr);
1333 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1334 RT2860_SOFTC_RX_RING_DATA_COUNT);
1335 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1336 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1337
1338 /* wait while DMA engine is busy */
1339
1340 for (ntries = 0; ntries < 100; ntries++)
1341 {
1342 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1343 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1344 break;
1345
1346 DELAY(1000);
1347 }
1348
1349 if (ntries == 100)
1350 {
1351 printf("%s: timeout waiting for DMA engine\n",
1352 device_get_nameunit(sc->dev));
1353 goto fail;
1354 }
1355
1356 tmp &= 0xff0;
1357 tmp |= RT2860_REG_TX_WB_DDONE;
1358
1359 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1360
1361 /* disable interrupts mitigation */
1362
1363 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1364
1365 /* send LEDs operating mode to microcontroller */
1366
1367 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1368 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1369 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1370 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1371 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1372 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1373
1374 /* turn radio LED on */
1375
1376 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1377
1378 /* write vendor-specific BBP values (from EEPROM) */
1379
1380 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1381 {
1382 if (sc->bbp_eeprom[i].reg == 0x00 ||
1383 sc->bbp_eeprom[i].reg == 0xff)
1384 continue;
1385
1386 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1387 sc->bbp_eeprom[i].val);
1388 }
1389
1390 /*
1391 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1392 if (tmp & (1 << 2))
1393 {
1394 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1395 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1396 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1397
1398 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1399 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1400 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1401 }
1402 */
1403
1404 /* disable non-existing Rx chains */
1405
1406 tmp = rt2860_io_bbp_read(sc, 3);
1407
1408 tmp &= ~((1 << 4) | (1 << 3));
1409
1410 if (sc->nrxpath == 3)
1411 tmp |= (1 << 4);
1412 else if (sc->nrxpath == 2)
1413 tmp |= (1 << 3);
1414
1415 rt2860_io_bbp_write(sc, 3, tmp);
1416
1417 /* disable non-existing Tx chains */
1418
1419 tmp = rt2860_io_bbp_read(sc, 1);
1420
1421 tmp &= ~((1 << 4) | (1 << 3));
1422
1423 if (sc->ntxpath == 2)
1424 tmp |= (1 << 4);
1425
1426 rt2860_io_bbp_write(sc, 1, tmp);
1427
1428 /* set current channel */
1429
1430 rt2860_rf_set_chan(sc, ic->ic_curchan);
1431
1432 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1433 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1434 (48 << 16) | 96);
1435
1436 if ((sc->mac_rev & 0xffff) != 0x0101)
1437 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1438
1439 /* clear pending interrupts */
1440
1441 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1442
1443 /* enable interrupts */
1444
1445 tmp = RT2860_REG_INT_TX_COHERENT |
1446 RT2860_REG_INT_RX_COHERENT |
1447 RT2860_REG_INT_GP_TIMER |
1448 RT2860_REG_INT_AUTO_WAKEUP |
1449 RT2860_REG_INT_FIFO_STA_FULL |
1450 /*
1451 RT2860_REG_INT_PRE_TBTT |
1452 RT2860_REG_INT_TBTT |
1453 */
1454 RT2860_REG_INT_TXRX_COHERENT |
1455 RT2860_REG_INT_MCU_CMD |
1456 RT2860_REG_INT_TX_MGMT_DONE |
1457 RT2860_REG_INT_TX_HCCA_DONE |
1458 RT2860_REG_INT_TX_AC3_DONE |
1459 RT2860_REG_INT_TX_AC2_DONE |
1460 RT2860_REG_INT_TX_AC1_DONE |
1461 RT2860_REG_INT_TX_AC0_DONE |
1462 RT2860_REG_INT_RX_DONE;
1463
1464 sc->intr_enable_mask = tmp;
1465
1466 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1467
1468 if (rt2860_txrx_enable(sc) != 0)
1469 goto fail;
1470
1471 /* clear garbage interrupts */
1472
1473 tmp = rt2860_io_mac_read(sc, 0x1300);
1474
1475 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1476 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1477
1478 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1479 {
1480 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1481 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1482 }
1483 else
1484 {
1485 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1486 }
1487
1488 sc->periodic_round = 0;
1489
1490 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1491
1492 return;
1493
1494 fail:
1495
1496 rt2860_stop_locked(sc);
1497 }
1498
1499 /*
1500 * rt2860_init
1501 */
1502 static void rt2860_init(void *priv)
1503 {
1504 struct rt2860_softc *sc;
1505
1506 sc = priv;
1507
1508 RT2860_SOFTC_LOCK(sc);
1509
1510 rt2860_init_locked(sc);
1511
1512 RT2860_SOFTC_UNLOCK(sc);
1513 }
1514
1515 /*
1516 * rt2860_init_bbp
1517 */
1518 static int rt2860_init_bbp(struct rt2860_softc *sc)
1519 {
1520 int ntries, i;
1521 uint8_t tmp;
1522
1523 for (ntries = 0; ntries < 20; ntries++)
1524 {
1525 tmp = rt2860_io_bbp_read(sc, 0);
1526 if (tmp != 0x00 && tmp != 0xff)
1527 break;
1528 }
1529
1530 if (tmp == 0x00 || tmp == 0xff)
1531 {
1532 printf("%s: timeout waiting for BBP to wakeup\n",
1533 device_get_nameunit(sc->dev));
1534 return ETIMEDOUT;
1535 }
1536
1537 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1538 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1539 rt2860_def_bbp[i].val);
1540
1541 if ((sc->mac_rev & 0xffff) != 0x0101)
1542 rt2860_io_bbp_write(sc, 84, 0x19);
1543
1544 return 0;
1545 }
1546
1547 /*
1548 * rt2860_stop_locked
1549 */
1550 static void rt2860_stop_locked(void *priv)
1551 {
1552 struct rt2860_softc *sc;
1553 struct ieee80211com *ic;
1554 struct ifnet *ifp;
1555 uint32_t tmp;
1556
1557 sc = priv;
1558 ic = &sc->ic;
1559 ifp = ic->ic_ifp;
1560
1561 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1562 "%s: stopping\n",
1563 device_get_nameunit(sc->dev));
1564
1565 RT2860_SOFTC_ASSERT_LOCKED(sc);
1566
1567 sc->tx_timer = 0;
1568
1569 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1570 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1571
1572 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1573
1574 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1575
1576 callout_stop(&sc->periodic_ch);
1577 callout_stop(&sc->tx_watchdog_ch);
1578
1579 RT2860_SOFTC_UNLOCK(sc);
1580
1581 taskqueue_block(sc->taskqueue);
1582
1583 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1584 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1585 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1586 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1587
1588 RT2860_SOFTC_LOCK(sc);
1589
1590 /* clear key tables */
1591
1592 rt2860_asic_clear_keytables(sc);
1593
1594 /* disable interrupts */
1595
1596 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1597
1598 /* disable Tx/Rx */
1599
1600 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1601
1602 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1603
1604 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1605
1606 /* reset adapter */
1607
1608 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1609 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1610 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1611 }
1612
1613 /*
1614 * rt2860_stop
1615 */
1616 static void rt2860_stop(void *priv)
1617 {
1618 struct rt2860_softc *sc;
1619
1620 sc = priv;
1621
1622 RT2860_SOFTC_LOCK(sc);
1623
1624 rt2860_stop_locked(sc);
1625
1626 RT2860_SOFTC_UNLOCK(sc);
1627 }
1628
1629 /*
1630 * rt2860_start
1631 */
1632 static void rt2860_start(struct ifnet *ifp)
1633 {
1634 struct rt2860_softc *sc;
1635 struct ieee80211com *ic;
1636 struct ieee80211_node *ni;
1637 struct ether_header *eh;
1638 struct mbuf *m;
1639 int qid;
1640
1641 sc = ifp->if_softc;
1642 ic = &sc->ic;
1643
1644 RT2860_SOFTC_LOCK(sc);
1645
1646 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1647 {
1648 RT2860_SOFTC_UNLOCK(sc);
1649 return;
1650 }
1651
1652 for (;;)
1653 {
1654 IF_POLL(&ic->ic_mgtq, m);
1655 if (m != NULL)
1656 {
1657 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1658 {
1659 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1660 "%s: if_start: Tx ring with qid=%d is full\n",
1661 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1662
1663 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1664
1665 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1666
1667 break;
1668 }
1669
1670 IF_DEQUEUE(&ic->ic_mgtq, m);
1671
1672 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1673 m->m_pkthdr.rcvif = NULL;
1674
1675 if (bpf_peers_present(ic->ic_rawbpf))
1676 bpf_mtap(ic->ic_rawbpf, m);
1677
1678 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1679 break;
1680
1681 rt2860_drain_fifo_stats(sc);
1682 }
1683 else
1684 {
1685 if (ic->ic_state != IEEE80211_S_RUN)
1686 break;
1687
1688 IF_POLL(&ifp->if_snd, m);
1689 if (m == NULL)
1690 break;
1691
1692 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1693
1694 if (ic->ic_flags & IEEE80211_F_SCAN)
1695 ieee80211_cancel_scan(ic);
1696
1697 if (m->m_len < sizeof(struct ether_header) &&
1698 !(m = m_pullup(m, sizeof (struct ether_header))))
1699 continue;
1700
1701 eh = mtod(m, struct ether_header *);
1702
1703 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1704 if (ni == NULL)
1705 {
1706 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1707 "%s: if_start: could not find Tx node\n",
1708 device_get_nameunit(sc->dev));
1709
1710 m_freem(m);
1711 continue;
1712 }
1713
1714 ieee80211_classify(ic, m, ni);
1715
1716 qid = M_WME_GETAC(m);
1717
1718 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1719 {
1720 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1721 "%s: if_start: Tx ring with qid=%d is full\n",
1722 device_get_nameunit(sc->dev), qid);
1723
1724 m_freem(m);
1725 ieee80211_free_node(ni);
1726
1727 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1728 ifp->if_oerrors++;
1729
1730 sc->tx_data_queue_full[qid]++;
1731
1732 break;
1733 }
1734
1735 BPF_MTAP(ifp, m);
1736
1737 m = ieee80211_encap(ic, m, ni);
1738 if (m == NULL)
1739 {
1740 ieee80211_free_node(ni);
1741 ifp->if_oerrors++;
1742 continue;
1743 }
1744
1745 if (bpf_peers_present(ic->ic_rawbpf))
1746 bpf_mtap(ic->ic_rawbpf, m);
1747
1748 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1749 {
1750 ieee80211_free_node(ni);
1751
1752 ifp->if_oerrors++;
1753
1754 break;
1755 }
1756
1757 rt2860_drain_fifo_stats(sc);
1758 }
1759
1760 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1761
1762 ic->ic_lastdata = ticks;
1763
1764 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1765 }
1766
1767 RT2860_SOFTC_UNLOCK(sc);
1768 }
1769
1770 /*
1771 * rt2860_ioctl
1772 */
1773 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1774 {
1775 struct rt2860_softc *sc;
1776 struct ieee80211com *ic;
1777 int error;
1778
1779 sc = ifp->if_softc;
1780 ic = &sc->ic;
1781
1782 error = 0;
1783
1784 switch (cmd)
1785 {
1786 case SIOCSIFFLAGS:
1787 RT2860_SOFTC_LOCK(sc);
1788
1789 if (ifp->if_flags & IFF_UP)
1790 {
1791 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1792 {
1793 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1794 rt2860_asic_update_promisc(sc);
1795 }
1796 else
1797 {
1798 rt2860_init_locked(sc);
1799 }
1800 }
1801 else
1802 {
1803 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1804 rt2860_stop_locked(sc);
1805 }
1806
1807 sc->if_flags = ifp->if_flags;
1808
1809 RT2860_SOFTC_UNLOCK(sc);
1810 break;
1811
1812 default:
1813 error = ieee80211_ioctl(ic, cmd, data);
1814 }
1815
1816 if (error == ENETRESET)
1817 {
1818 RT2860_SOFTC_LOCK(sc);
1819
1820 if ((ifp->if_flags & IFF_UP) &&
1821 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1822 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1823 {
1824 rt2860_stop_locked(sc);
1825 rt2860_init_locked(sc);
1826 }
1827
1828 RT2860_SOFTC_UNLOCK(sc);
1829
1830 error = 0;
1831 }
1832
1833 return error;
1834 }
1835
1836 /*
1837 * rt2860_reset
1838 */
1839 static int rt2860_reset(struct ifnet *ifp)
1840 {
1841 struct rt2860_softc *sc;
1842 struct ieee80211com *ic;
1843
1844 sc = ifp->if_softc;
1845 ic = &sc->ic;
1846
1847 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1848 return ENETRESET;
1849
1850 rt2860_rf_set_chan(sc, ic->ic_curchan);
1851
1852 return 0;
1853 }
1854
1855 /*
1856 * rt2860_newstate
1857 */
1858 static int rt2860_newstate(struct ieee80211com *ic,
1859 enum ieee80211_state nstate, int arg)
1860 {
1861 struct rt2860_softc *sc;
1862 struct ifnet *ifp;
1863 struct ieee80211_node *ni;
1864 int error;
1865
1866 ifp = ic->ic_ifp;
1867 sc = ifp->if_softc;
1868
1869 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1870 "%s: newstate: %s -> %s\n",
1871 device_get_nameunit(sc->dev),
1872 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1873
1874 error = sc->newstate(ic, nstate, arg);
1875 if (error != 0)
1876 return error;
1877
1878 RT2860_SOFTC_LOCK(sc);
1879
1880 /* turn link LED off */
1881
1882 if (nstate != IEEE80211_S_RUN)
1883 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1884
1885 switch (nstate)
1886 {
1887 case IEEE80211_S_INIT:
1888 rt2860_asic_disable_tsf_sync(sc);
1889 break;
1890
1891 case IEEE80211_S_RUN:
1892 ni = ic->ic_bss;
1893
1894 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1895 rt2860_rf_set_chan(sc, ni->ni_chan);
1896
1897 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1898 {
1899 rt2860_asic_enable_mrr(sc);
1900 rt2860_asic_set_txpreamble(sc);
1901 rt2860_asic_set_basicrates(sc);
1902 rt2860_asic_update_txpower(sc);
1903 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1904 }
1905
1906 if (ic->ic_opmode == IEEE80211_M_STA)
1907 rt2860_newassoc(ni, 1);
1908
1909 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1910 ic->ic_opmode == IEEE80211_M_IBSS)
1911 {
1912 error = rt2860_asic_update_beacon(sc);
1913 if (error != 0)
1914 break;
1915 }
1916
1917 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1918 rt2860_asic_enable_tsf_sync(sc);
1919
1920 /* turn link LED on */
1921
1922 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1923 {
1924 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1925 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1926 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1927 }
1928 break;
1929
1930 default:
1931 break;
1932 }
1933
1934 RT2860_SOFTC_UNLOCK(sc);
1935
1936 return error;
1937 }
1938
1939 /*
1940 * rt2860_scan_start
1941 */
1942 static void rt2860_scan_start(struct ieee80211com *ic)
1943 {
1944 struct rt2860_softc *sc;
1945 struct ifnet *ifp;
1946
1947 ifp = ic->ic_ifp;
1948 sc = ifp->if_softc;
1949
1950 rt2860_asic_disable_tsf_sync(sc);
1951 }
1952
1953 /*
1954 * rt2860_scan_end
1955 */
1956 static void rt2860_scan_end(struct ieee80211com *ic)
1957 {
1958 struct rt2860_softc *sc;
1959 struct ifnet *ifp;
1960
1961 ifp = ic->ic_ifp;
1962 sc = ifp->if_softc;
1963
1964 rt2860_asic_enable_tsf_sync(sc);
1965 }
1966
1967 /*
1968 * rt2860_set_channel
1969 */
1970 static void rt2860_set_channel(struct ieee80211com *ic)
1971 {
1972 struct rt2860_softc *sc;
1973 struct ifnet *ifp;
1974
1975 ifp = ic->ic_ifp;
1976 sc = ifp->if_softc;
1977
1978 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
1979 "%s: set channel: channel=%u, HT%s%s\n",
1980 device_get_nameunit(sc->dev),
1981 ieee80211_chan2ieee(ic, ic->ic_curchan),
1982 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
1983 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
1984 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
1985 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
1986
1987 RT2860_SOFTC_LOCK(sc);
1988
1989 rt2860_rf_set_chan(sc, ic->ic_curchan);
1990
1991 RT2860_SOFTC_UNLOCK(sc);
1992 }
1993
1994 /*
1995 * rt2860_newassoc
1996 */
1997 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
1998 {
1999 struct rt2860_softc *sc;
2000 struct ieee80211com *ic;
2001 struct ifnet *ifp;
2002 uint16_t associd;
2003 uint8_t wcid;
2004
2005 ic = ni->ni_ic;
2006 ifp = ic->ic_ifp;
2007 sc = ifp->if_softc;
2008
2009 associd = (ni != NULL) ? ni->ni_associd : 0;
2010 wcid = RT2860_AID2WCID(associd);
2011
2012 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2013 "%s: new association: wcid=0x%02x, "
2014 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2015 device_get_nameunit(sc->dev), wcid,
2016 ether_sprintf(ni->ni_macaddr),
2017 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2018 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2019 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2020
2021 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2022 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2023
2024 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2025
2026 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2027 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2028 device_get_nameunit(sc->dev),
2029 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2030 ni->ni_associd,
2031 (ni->ni_flags & IEEE80211_NODE_HT) ?
2032 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2033 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2034 (ni->ni_flags & IEEE80211_NODE_HT) ?
2035 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2036 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2037
2038 rt2860_asic_updateprot(sc);
2039 rt2860_asic_updateslot(sc);
2040 rt2860_asic_set_txpreamble(sc);
2041 }
2042
2043 /*
2044 * rt2860_updateslot
2045 */
2046 static void rt2860_updateslot(struct ifnet *ifp)
2047 {
2048 struct rt2860_softc *sc;
2049
2050 sc = ifp->if_softc;
2051
2052 rt2860_asic_updateslot(sc);
2053 }
2054
2055 /*
2056 * rt2860_wme_update
2057 */
2058 static int rt2860_wme_update(struct ieee80211com *ic)
2059 {
2060 struct rt2860_softc *sc;
2061 struct ifnet *ifp;
2062
2063 ifp = ic->ic_ifp;
2064 sc = ifp->if_softc;
2065
2066 rt2860_asic_wme_update(sc);
2067
2068 return 0;
2069 }
2070
2071 /*
2072 * rt2860_update_beacon
2073 */
2074 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2075 {
2076 struct rt2860_softc *sc;
2077 struct ifnet *ifp;
2078
2079 ifp = ic->ic_ifp;
2080 sc = ifp->if_softc;
2081
2082 rt2860_asic_update_beacon(sc);
2083 }
2084
2085 /*
2086 * rt2860_key_update_begin
2087 */
2088 static void rt2860_key_update_begin(struct ieee80211com *ic)
2089 {
2090 struct rt2860_softc *sc;
2091 struct ifnet *ifp;
2092
2093 ifp = ic->ic_ifp;
2094 sc = ifp->if_softc;
2095
2096 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2097 "%s: key update begin\n",
2098 device_get_nameunit(sc->dev));
2099
2100 taskqueue_block(sc->taskqueue);
2101
2102 IF_LOCK(&ifp->if_snd);
2103 }
2104
2105 /*
2106 * rt2860_key_update_end
2107 */
2108 static void rt2860_key_update_end(struct ieee80211com *ic)
2109 {
2110 struct rt2860_softc *sc;
2111 struct ifnet *ifp;
2112
2113 ifp = ic->ic_ifp;
2114 sc = ifp->if_softc;
2115
2116 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2117 "%s: key update end\n",
2118 device_get_nameunit(sc->dev));
2119
2120 IF_UNLOCK(&ifp->if_snd);
2121
2122 taskqueue_unblock(sc->taskqueue);
2123 }
2124
2125 /*
2126 * rt2860_key_set
2127 */
2128 static int rt2860_key_set(struct ieee80211com *ic,
2129 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2130 {
2131 struct rt2860_softc *sc;
2132 struct ifnet *ifp;
2133 struct ieee80211_node *ni;
2134 uint16_t associd, key_base, keymode_base;
2135 uint8_t mode, vapid, wcid, iv[8];
2136 uint32_t tmp;
2137
2138 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2139 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2140 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2141 return EINVAL;
2142
2143 ifp = ic->ic_ifp;
2144 sc = ifp->if_softc;
2145
2146 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2147 ni = ic->ic_bss;
2148 else
2149 ni = ieee80211_find_node(&ic->ic_sta, mac);
2150
2151 associd = (ni != NULL) ? ni->ni_associd : 0;
2152
2153 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2154 ieee80211_free_node(ni);
2155
2156 switch (k->wk_cipher->ic_cipher)
2157 {
2158 case IEEE80211_CIPHER_WEP:
2159 if(k->wk_keylen < 8)
2160 mode = RT2860_REG_CIPHER_MODE_WEP40;
2161 else
2162 mode = RT2860_REG_CIPHER_MODE_WEP104;
2163 break;
2164
2165 case IEEE80211_CIPHER_TKIP:
2166 mode = RT2860_REG_CIPHER_MODE_TKIP;
2167 break;
2168
2169 case IEEE80211_CIPHER_AES_CCM:
2170 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2171 break;
2172
2173 default:
2174 return EINVAL;
2175 }
2176
2177 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2178 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2179 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2180 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2181
2182 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2183 {
2184 /* install pairwise key */
2185
2186 vapid = 0;
2187 wcid = RT2860_AID2WCID(associd);
2188 key_base = RT2860_REG_PKEY(wcid);
2189
2190 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2191 {
2192 memset(iv, 0, 8);
2193
2194 iv[3] = (k->wk_keyix << 6);
2195 }
2196 else
2197 {
2198 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2199 {
2200 iv[0] = (k->wk_keytsc >> 8);
2201 iv[1] = ((iv[0] | 0x20) & 0x7f);
2202 iv[2] = k->wk_keytsc;
2203 }
2204 else
2205 {
2206 /* AES CCMP */
2207
2208 iv[0] = k->wk_keytsc;
2209 iv[1] = k->wk_keytsc >> 8;
2210 iv[2] = 0;
2211 }
2212
2213 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2214 iv[4] = (k->wk_keytsc >> 16);
2215 iv[5] = (k->wk_keytsc >> 24);
2216 iv[6] = (k->wk_keytsc >> 32);
2217 iv[7] = (k->wk_keytsc >> 40);
2218
2219 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2220 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2221 device_get_nameunit(sc->dev),
2222 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2223 }
2224
2225 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2226
2227 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2228 {
2229 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2230
2231 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2232 {
2233 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2234 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2235 }
2236 else
2237 {
2238 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2239 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2240 }
2241 }
2242 else
2243 {
2244 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2245 }
2246
2247 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2248 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2249
2250 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2251 }
2252
2253 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2254 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2255 {
2256 /* install group key */
2257
2258 vapid = 0;
2259 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2260 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2261
2262 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2263 {
2264 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2265
2266 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2267 {
2268 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2269 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2270 }
2271 else
2272 {
2273 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2274 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2275 }
2276 }
2277 else
2278 {
2279 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2280 }
2281
2282 tmp = rt2860_io_mac_read(sc, keymode_base);
2283
2284 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2285 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2286
2287 rt2860_io_mac_write(sc, keymode_base, tmp);
2288 }
2289
2290 return 1;
2291 }
2292
2293 /*
2294 * rt2860_key_delete
2295 */
2296 static int rt2860_key_delete(struct ieee80211com *ic,
2297 const struct ieee80211_key *k)
2298 {
2299 struct rt2860_softc *sc;
2300 struct ieee80211_node *ni;
2301 uint16_t associd;
2302 uint8_t vapid, wcid;
2303 uint32_t tmp;
2304
2305 sc = ic->ic_ifp->if_softc;
2306 ni = ic->ic_bss;
2307 associd = (ni != NULL) ? ni->ni_associd : 0;
2308
2309 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2310 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2311 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2312 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2313
2314 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2315 {
2316 /* remove pairwise key */
2317
2318 vapid = 0;
2319 wcid = RT2860_AID2WCID(associd);
2320
2321 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2322 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2323
2324 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2325 }
2326 else
2327 {
2328 /* remove group key */
2329
2330 vapid = 0;
2331
2332 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2333
2334 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2335 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2336
2337 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2338 }
2339
2340 return 1;
2341 }
2342
2343 /*
2344 * rt2860_raw_xmit
2345 */
2346 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2347 const struct ieee80211_bpf_params *params)
2348 {
2349 return 0;
2350 }
2351
2352 /*
2353 * rt2860_media_change
2354 */
2355 static int rt2860_media_change(struct ifnet *ifp)
2356 {
2357 struct rt2860_softc *sc;
2358 int error;
2359
2360 sc = ifp->if_softc;
2361
2362 error = ieee80211_media_change(ifp);
2363 if (error != ENETRESET)
2364 return error;
2365
2366 RT2860_SOFTC_LOCK(sc);
2367
2368 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2369 {
2370 rt2860_stop_locked(sc);
2371 rt2860_init_locked(sc);
2372 }
2373
2374 RT2860_SOFTC_UNLOCK(sc);
2375
2376 return 0;
2377 }
2378
2379 /*
2380 * rt2860_node_alloc
2381 */
2382 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211_node_table *nt)
2383 {
2384 return malloc(sizeof(struct rt2860_softc_node),
2385 M_80211_NODE, M_NOWAIT | M_ZERO);
2386 }
2387
2388 /*
2389 * rt2860_recv_action
2390 */
2391 static void rt2860_recv_action(struct ieee80211_node *ni,
2392 const uint8_t *frm, const uint8_t *efrm)
2393 {
2394 struct rt2860_softc *sc;
2395 struct ieee80211com *ic;
2396 struct ifnet *ifp;
2397 const struct ieee80211_action *ia;
2398 struct ieee80211_tx_ampdu *tx_ampdu;
2399 uint16_t associd, status, baparamset;
2400 uint8_t wcid;
2401 int tid, bufsize, ac;
2402 uint32_t tmp;
2403
2404 ic = ni->ni_ic;
2405 ifp = ic->ic_ifp;
2406 sc = ifp->if_softc;
2407
2408 ia = (const struct ieee80211_action *) frm;
2409
2410 sc->recv_action(ni, frm, efrm);
2411
2412 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2413 return;
2414
2415 associd = (ni != NULL) ? ni->ni_associd : 0;
2416 wcid = RT2860_AID2WCID(associd);
2417
2418 switch (ia->ia_action)
2419 {
2420 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2421 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2422 baparamset = LE_READ_2(frm + 3);
2423 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2424 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2425
2426 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2427 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2428 device_get_nameunit(sc->dev), associd, tid, bufsize);
2429
2430 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2431
2432 tmp |= (0x10000 << tid);
2433
2434 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2435 break;
2436
2437 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2438 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2439 status = LE_READ_2(frm + 3);
2440 baparamset = LE_READ_2(frm + 4);
2441 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2442 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2443 ac = TID_TO_WME_AC(tid);
2444 tx_ampdu = &ni->ni_tx_ampdu[ac];
2445
2446 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2447 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2448 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2449
2450 if (sc->mac_rev >= 0x28720200)
2451 {
2452 if (tx_ampdu->txa_wnd > 13)
2453 tx_ampdu->txa_wnd = 13;
2454 }
2455 else
2456 {
2457 if (tx_ampdu->txa_wnd > 7)
2458 tx_ampdu->txa_wnd = 7;
2459 }
2460
2461 if (status == IEEE80211_STATUS_SUCCESS)
2462 {
2463 sc->tx_ampdu_sessions++;
2464
2465 rt2860_asic_updateprot(sc);
2466 }
2467 break;
2468
2469 /* IEEE80211_ACTION_BA_DELBA */
2470 case IEEE80211_ACTION_BA_DELBA:
2471 baparamset = LE_READ_2(frm + 2);
2472 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2473
2474 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2475 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2476 device_get_nameunit(sc->dev), associd, tid);
2477
2478 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2479
2480 tmp &= ~(0x10000 << tid);
2481
2482 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2483 break;
2484 }
2485 }
2486
2487 /*
2488 * rt2860_send_action
2489 */
2490 static int rt2860_send_action(struct ieee80211_node *ni,
2491 int category, int action, uint16_t args[4])
2492 {
2493 struct rt2860_softc *sc;
2494 struct ieee80211com *ic;
2495 struct ifnet *ifp;
2496 uint16_t associd, baparamset;
2497 uint8_t wcid;
2498 int ret, tid;
2499 uint32_t tmp;
2500
2501 ic = ni->ni_ic;
2502 ifp = ic->ic_ifp;
2503 sc = ifp->if_softc;
2504
2505 ret = sc->send_action(ni, category, action, args);
2506
2507 if (category != IEEE80211_ACTION_CAT_BA)
2508 return ret;
2509
2510 associd = (ni != NULL) ? ni->ni_associd : 0;
2511 wcid = RT2860_AID2WCID(associd);
2512
2513 switch (action)
2514 {
2515 /* IEEE80211_ACTION_BA_DELBA */
2516 case IEEE80211_ACTION_BA_DELBA:
2517 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2518
2519 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2520
2521 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2522 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2523 device_get_nameunit(sc->dev), associd, tid);
2524
2525 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2526 {
2527 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2528
2529 tmp &= ~(0x10000 << tid);
2530
2531 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2532 }
2533 else
2534 {
2535 sc->tx_ampdu_sessions--;
2536
2537 rt2860_asic_updateprot(sc);
2538 }
2539 break;
2540 }
2541
2542 return ret;
2543 }
2544
2545 /*
2546 * rt2860_amrr_update_iter_func
2547 */
2548 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2549 {
2550 struct rt2860_softc *sc;
2551 struct ieee80211com *ic;
2552 uint8_t wcid;
2553
2554 sc = arg;
2555 ic = &sc->ic;
2556
2557 /* only associated stations */
2558
2559 if (ni->ni_associd != 0)
2560 {
2561 wcid = RT2860_AID2WCID(ni->ni_associd);
2562
2563 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2564 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2565 device_get_nameunit(sc->dev),
2566 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2567
2568 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2569
2570 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2571 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2572 device_get_nameunit(sc->dev),
2573 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2574 ni->ni_associd,
2575 (ni->ni_flags & IEEE80211_NODE_HT) ?
2576 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2577 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2578 (ni->ni_flags & IEEE80211_NODE_HT) ?
2579 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2580 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2581 }
2582 }
2583
2584 /*
2585 * rt2860_periodic
2586 */
2587 static void rt2860_periodic(void *arg)
2588 {
2589 struct rt2860_softc *sc;
2590
2591 sc = arg;
2592
2593 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2594 "%s: periodic\n",
2595 device_get_nameunit(sc->dev));
2596
2597 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2598 }
2599
2600 /*
2601 * rt2860_tx_watchdog
2602 */
2603 static void rt2860_tx_watchdog(void *arg)
2604 {
2605 struct rt2860_softc *sc;
2606 struct ifnet *ifp;
2607
2608 sc = arg;
2609 ifp = sc->ifp;
2610
2611 if (sc->tx_timer == 0)
2612 return;
2613
2614 if (--sc->tx_timer == 0)
2615 {
2616 printf("%s: Tx watchdog timeout: resetting\n",
2617 device_get_nameunit(sc->dev));
2618
2619 rt2860_stop_locked(sc);
2620 rt2860_init_locked(sc);
2621
2622 ifp->if_oerrors++;
2623
2624 sc->tx_watchdog_timeouts++;
2625 }
2626
2627 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2628 }
2629
2630 /*
2631 * rt2860_asic_set_bssid
2632 */
2633 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2634 const uint8_t *bssid)
2635 {
2636 uint32_t tmp;
2637
2638 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2639 "%s: set bssid: bssid=%s\n",
2640 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2641
2642 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2643
2644 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2645
2646 tmp = bssid[4] | (bssid[5] << 8);
2647
2648 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2649 }
2650
2651 /*
2652 * rt2860_asic_set_macaddr
2653 */
2654 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2655 const uint8_t *addr)
2656 {
2657 uint32_t tmp;
2658
2659 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2660
2661 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2662
2663 tmp = addr[4] | (addr[5] << 8);
2664
2665 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2666 }
2667
2668 /*
2669 * rt2860_asic_enable_tsf_sync
2670 */
2671 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2672 {
2673 struct ieee80211com *ic;
2674 uint32_t tmp;
2675
2676 ic = &sc->ic;
2677
2678 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2679 "%s: enabling TSF\n",
2680 device_get_nameunit(sc->dev));
2681
2682 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2683
2684 tmp &= ~0x1fffff;
2685 tmp |= ic->ic_bss->ni_intval * 16;
2686 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2687
2688 if (ic->ic_opmode == IEEE80211_M_STA)
2689 {
2690 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2691 }
2692 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2693 {
2694 tmp |= RT2860_REG_BCN_TX_ENABLE;
2695 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2696 }
2697 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2698 {
2699 tmp |= RT2860_REG_BCN_TX_ENABLE;
2700 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2701 }
2702
2703 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2704 }
2705
2706 /*
2707 * rt2860_asic_disable_tsf_sync
2708 */
2709 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2710 {
2711 uint32_t tmp;
2712
2713 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2714 "%s: disabling TSF\n",
2715 device_get_nameunit(sc->dev));
2716
2717 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2718
2719 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2720 RT2860_REG_TSF_TIMER_ENABLE |
2721 RT2860_REG_TBTT_TIMER_ENABLE);
2722
2723 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2724 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2725
2726 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2727 }
2728
2729 /*
2730 * rt2860_asic_enable_mrr
2731 */
2732 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2733 {
2734 #define CCK(mcs) (mcs)
2735 #define OFDM(mcs) ((1 << 3) | (mcs))
2736 #define HT(mcs) (mcs)
2737
2738 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2739 (OFDM(6) << 28) | /* 54 -> 48 */
2740 (OFDM(5) << 24) | /* 48 -> 36 */
2741 (OFDM(4) << 20) | /* 36 -> 24 */
2742 (OFDM(3) << 16) | /* 24 -> 18 */
2743 (OFDM(2) << 12) | /* 18 -> 12 */
2744 (OFDM(1) << 8) | /* 12 -> 9 */
2745 (OFDM(0) << 4) | /* 9 -> 6 */
2746 OFDM(0)); /* 6 -> 6 */
2747
2748 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2749 (CCK(2) << 12) | /* 11 -> 5.5 */
2750 (CCK(1) << 8) | /* 5.5 -> 2 */
2751 (CCK(0) << 4) | /* 2 -> 1 */
2752 CCK(0)); /* 1 -> 1 */
2753
2754 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2755 (HT(6) << 28) |
2756 (HT(5) << 24) |
2757 (HT(4) << 20) |
2758 (HT(3) << 16) |
2759 (HT(2) << 12) |
2760 (HT(1) << 8) |
2761 (HT(0) << 4) |
2762 HT(0));
2763
2764 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2765 (HT(14) << 28) |
2766 (HT(13) << 24) |
2767 (HT(12) << 20) |
2768 (HT(11) << 16) |
2769 (HT(10) << 12) |
2770 (HT(9) << 8) |
2771 (HT(8) << 4) |
2772 HT(7));
2773
2774 #undef HT
2775 #undef OFDM
2776 #undef CCK
2777 }
2778
2779 /*
2780 * rt2860_asic_set_txpreamble
2781 */
2782 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2783 {
2784 struct ieee80211com *ic;
2785 uint32_t tmp;
2786
2787 ic = &sc->ic;
2788
2789 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2790 "%s: %s short Tx preamble\n",
2791 device_get_nameunit(sc->dev),
2792 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2793
2794 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2795
2796 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2797
2798 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2799 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2800
2801 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2802 }
2803
2804 /*
2805 * rt2860_asic_set_basicrates
2806 */
2807 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2808 {
2809 struct ieee80211com *ic;
2810
2811 ic = &sc->ic;
2812
2813 if (ic->ic_curmode == IEEE80211_MODE_11B)
2814 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2815 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2816 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2817 else
2818 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2819 }
2820
2821 /*
2822 * rt2860_asic_update_rtsthreshold
2823 */
2824 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2825 {
2826 struct ieee80211com *ic;
2827 uint32_t tmp;
2828 uint16_t threshold;
2829
2830 ic = &sc->ic;
2831
2832 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2833 "%s: updating RTS threshold: %d\n",
2834 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2835
2836 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2837
2838 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2839
2840 if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_TX)
2841 threshold = 0x1000;
2842 else
2843 threshold = ic->ic_rtsthreshold;
2844
2845
2846 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2847 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2848
2849 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2850 }
2851
2852 /*
2853 * rt2860_asic_update_txpower
2854 */
2855 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2856 {
2857 struct ieee80211com *ic;
2858 uint32_t *txpow_rate;
2859 int8_t delta;
2860 uint8_t val;
2861 uint32_t tmp;
2862 int i;
2863
2864 ic = &sc->ic;
2865
2866 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2867 "%s: updating Tx power: %d\n",
2868 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
2869
2870 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
2871 {
2872 txpow_rate = sc->txpow_rate_20mhz;
2873 }
2874 else
2875 {
2876 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
2877 txpow_rate = sc->txpow_rate_40mhz_2ghz;
2878 else
2879 txpow_rate = sc->txpow_rate_40mhz_5ghz;
2880 }
2881
2882 delta = 0;
2883
2884 val = rt2860_io_bbp_read(sc, 1);
2885 val &= 0xfc;
2886
2887 if (ic->ic_txpowlimit > 90)
2888 {
2889 /* do nothing */
2890 }
2891 else if (ic->ic_txpowlimit > 60)
2892 {
2893 delta -= 1;
2894 }
2895 else if (ic->ic_txpowlimit > 30)
2896 {
2897 delta -= 3;
2898 }
2899 else if (ic->ic_txpowlimit > 15)
2900 {
2901 val |= 0x1;
2902 }
2903 else if (ic->ic_txpowlimit > 9)
2904 {
2905 val |= 0x1;
2906 delta -= 3;
2907 }
2908 else
2909 {
2910 val |= 0x2;
2911 }
2912
2913 rt2860_io_bbp_write(sc, 1, val);
2914
2915 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
2916 {
2917 if (txpow_rate[i] == 0xffffffff)
2918 continue;
2919
2920 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
2921
2922 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
2923 }
2924 }
2925
2926 /*
2927 * rt2860_asic_update_promisc
2928 */
2929 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
2930 {
2931 struct ifnet *ifp;
2932 uint32_t tmp;
2933
2934 ifp = sc->ic.ic_ifp;
2935
2936 printf("%s: %s promiscuous mode\n",
2937 device_get_nameunit(sc->dev),
2938 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
2939
2940 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
2941
2942 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
2943
2944 if (!(ifp->if_flags & IFF_PROMISC))
2945 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
2946
2947 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
2948 }
2949
2950 /*
2951 * rt2860_asic_updateprot
2952 */
2953 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
2954 {
2955 struct ieee80211com *ic;
2956 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
2957 uint8_t htopmode;
2958 enum ieee80211_protmode htprotmode;
2959
2960 ic = &sc->ic;
2961
2962 /* CCK frame protection */
2963
2964 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2965 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
2966
2967 /* set up protection frame phy mode and rate (MCS code) */
2968
2969 if (ic->ic_curmode == IEEE80211_MODE_11A)
2970 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2971 (0 << RT2860_REG_PROT_MCS_SHIFT);
2972 else
2973 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2974 (3 << RT2860_REG_PROT_MCS_SHIFT));
2975
2976 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
2977
2978 /* OFDM frame protection */
2979
2980 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2981 RT2860_REG_TXOP_ALLOW_ALL;
2982
2983 if (ic->ic_flags & IEEE80211_F_USEPROT)
2984 {
2985 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2986 "%s: updating protection mode: b/g protection mode=%s\n",
2987 device_get_nameunit(sc->dev),
2988 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2989 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2990
2991 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2992 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2993 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2994 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
2995 else
2996 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2997 }
2998 else
2999 {
3000 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3001 "%s: updating protection mode: b/g protection mode=%s\n",
3002 device_get_nameunit(sc->dev), "none");
3003
3004 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3005 }
3006
3007 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3008
3009 /* HT frame protection */
3010
3011 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3012 htopmode = ic->ic_bss->ni_htopmode;
3013 else
3014 htopmode = ic->ic_curhtprotmode;
3015
3016 htprotmode = ic->ic_htprotmode;
3017
3018 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3019
3020 if (sc->tx_ampdu_sessions > 0)
3021 {
3022 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3023 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3024 device_get_nameunit(sc->dev));
3025
3026 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3027 htprotmode = IEEE80211_PROT_RTSCTS;
3028 }
3029
3030 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3031 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3032 device_get_nameunit(sc->dev),
3033 htopmode & IEEE80211_HTINFO_OPMODE,
3034 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3035 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3036
3037 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3038 {
3039 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3040 case IEEE80211_HTINFO_OPMODE_HT20PR:
3041 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3042 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3043 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3044 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3045 (4 << RT2860_REG_PROT_MCS_SHIFT);
3046
3047 gf20_prot = mm20_prot;
3048
3049 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3050 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3051 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3052
3053 if (htprotmode == IEEE80211_PROT_RTSCTS)
3054 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3055 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3056 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3057 else
3058 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3059
3060 gf40_prot = mm40_prot;
3061 break;
3062
3063 /* IEEE80211_HTINFO_OPMODE_MIXED */
3064 case IEEE80211_HTINFO_OPMODE_MIXED:
3065 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3066 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3067 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3068
3069 if (ic->ic_flags & IEEE80211_F_USEPROT)
3070 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3071 (3 << RT2860_REG_PROT_MCS_SHIFT);
3072 else
3073 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3074 (4 << RT2860_REG_PROT_MCS_SHIFT);
3075
3076 if (htprotmode == IEEE80211_PROT_RTSCTS)
3077 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3078 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3079 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3080 else
3081 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3082
3083 gf20_prot = mm20_prot;
3084
3085 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3086
3087 if (ic->ic_flags & IEEE80211_F_USEPROT)
3088 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3089 (3 << RT2860_REG_PROT_MCS_SHIFT);
3090 else
3091 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3092 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3093
3094 if (htprotmode == IEEE80211_PROT_RTSCTS)
3095 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3096 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3097 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3098 else
3099 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3100
3101 gf40_prot = mm40_prot;
3102 break;
3103
3104 /*
3105 * IEEE80211_HTINFO_OPMODE_PURE
3106 * IEEE80211_HTINFO_OPMODE_PROTOPT
3107 */
3108 case IEEE80211_HTINFO_OPMODE_PURE:
3109 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3110 default:
3111 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3112 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3113 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3114 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3115 (4 << RT2860_REG_PROT_MCS_SHIFT);
3116
3117 gf20_prot = mm20_prot;
3118
3119 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3120 RT2860_REG_TXOP_ALLOW_ALL |
3121 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3122 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3123
3124 gf40_prot = mm40_prot;
3125 break;
3126 }
3127
3128 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3129 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3130 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3131 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3132 }
3133
3134 /*
3135 * rt2860_asic_updateslot
3136 */
3137 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3138 {
3139 struct ieee80211com *ic;
3140 uint32_t tmp;
3141
3142 ic = &sc->ic;
3143
3144 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3145 "%s: %s short slot time\n",
3146 device_get_nameunit(sc->dev),
3147 (ic->ic_flags & (IEEE80211_F_SHSLOT | IEEE80211_F_BURST)) ? "enabling" : "disabling");
3148
3149 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3150
3151 tmp &= ~0xff;
3152 tmp |= (ic->ic_flags & (IEEE80211_F_SHSLOT |IEEE80211_F_BURST)) ? 9 : 20;
3153
3154 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3155 }
3156
3157 /*
3158 * rt2860_asic_wme_update
3159 */
3160 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3161 {
3162 struct ieee80211com *ic;
3163 struct ieee80211_wme_state *wme;
3164 const struct wmeParams *wmep;
3165 int i;
3166
3167 ic = &sc->ic;
3168 wme = &ic->ic_wme;
3169 wmep = wme->wme_chanParams.cap_wmeParams;
3170
3171 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3172 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3173 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3174 device_get_nameunit(sc->dev),
3175 wmep[WME_AC_VO].wmep_aifsn,
3176 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3177 wmep[WME_AC_VO].wmep_txopLimit,
3178 wmep[WME_AC_VI].wmep_aifsn,
3179 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3180 wmep[WME_AC_VI].wmep_txopLimit,
3181 wmep[WME_AC_BK].wmep_aifsn,
3182 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3183 wmep[WME_AC_BK].wmep_txopLimit,
3184 wmep[WME_AC_BE].wmep_aifsn,
3185 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3186 wmep[WME_AC_BE].wmep_txopLimit);
3187
3188 for (i = 0; i < WME_NUM_AC; i++)
3189 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3190 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3191 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3192
3193 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3194 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3195 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3196
3197 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3198 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3199 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3200
3201 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3202 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3203 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3204
3205 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3206 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3207
3208 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3209 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3210 }
3211
3212 /*
3213 * rt2860_asic_update_beacon
3214 */
3215 static int rt2860_asic_update_beacon(struct rt2860_softc *sc)
3216 {
3217 struct ieee80211com *ic;
3218 struct mbuf *m;
3219 struct rt2860_txwi txwi;
3220 uint8_t rate, mcs;
3221 uint32_t tmp;
3222
3223 ic = &sc->ic;
3224
3225 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3226 if (m == NULL)
3227 return ENOMEM;
3228
3229 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3230 mcs = rt2860_rate2mcs(rate);
3231
3232 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3233
3234 txwi.wcid = 0xff;
3235 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3236 RT2860_TXWI_MPDU_LEN_SHIFT);
3237 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3238 txwi.mpdu_density_flags |=
3239 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3240 txwi.bawin_size_xflags |=
3241 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3242
3243 if (rate == 2)
3244 {
3245 txwi.phymode_ifs_stbc_shortgi =
3246 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3247
3248 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3249 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3250 }
3251 else
3252 {
3253 txwi.phymode_ifs_stbc_shortgi =
3254 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3255 }
3256
3257 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3258 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3259
3260 /* disable temporarily TSF sync */
3261
3262 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3263
3264 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3265 RT2860_REG_TSF_TIMER_ENABLE |
3266 RT2860_REG_TBTT_TIMER_ENABLE);
3267
3268 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3269
3270 /* write Tx wireless info and beacon frame to on-chip memory */
3271
3272 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3273 &txwi, sizeof(struct rt2860_txwi));
3274
3275 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3276 mtod(m, uint8_t *), m->m_pkthdr.len);
3277
3278 /* enable again TSF sync */
3279
3280 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3281
3282 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3283 RT2860_REG_TSF_TIMER_ENABLE |
3284 RT2860_REG_TBTT_TIMER_ENABLE);
3285
3286 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3287
3288 m_freem(m);
3289
3290 return 0;
3291 }
3292
3293 /*
3294 * rt2860_asic_clear_keytables
3295 */
3296 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3297 {
3298 int i;
3299
3300 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3301
3302 for (i = 0; i < 256; i++)
3303 {
3304 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3305 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3306 }
3307
3308 /* clear WCID attribute table (entries = 256, entry size = 4) */
3309
3310 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3311
3312 /* clear IV/EIV table (entries = 256, entry size = 8) */
3313
3314 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3315
3316 /* clear pairwise key table (entries = 256, entry size = 32) */
3317
3318 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3319
3320 /* clear shared key table (entries = 32, entry size = 32) */
3321
3322 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3323
3324 /* clear shared key mode (entries = 32, entry size = 2) */
3325
3326 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3327 }
3328
3329 /*
3330 * rt2860_rxrate
3331 */
3332 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3333 {
3334 uint8_t mcs, phymode;
3335 uint8_t rate;
3336
3337 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3338 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3339 RT2860_RXWI_PHYMODE_MASK;
3340
3341 rate = 2;
3342
3343 switch (phymode)
3344 {
3345 case RT2860_RXWI_PHYMODE_CCK:
3346 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3347 {
3348 case 0: rate = 2; break; /* 1 Mbps */
3349 case 1: rate = 4; break; /* 2 MBps */
3350 case 2: rate = 11; break; /* 5.5 Mbps */
3351 case 3: rate = 22; break; /* 11 Mbps */
3352 }
3353 break;
3354
3355 case RT2860_RXWI_PHYMODE_OFDM:
3356 switch (mcs)
3357 {
3358 case 0: rate = 12; break; /* 6 Mbps */
3359 case 1: rate = 18; break; /* 9 Mbps */
3360 case 2: rate = 24; break; /* 12 Mbps */
3361 case 3: rate = 36; break; /* 18 Mbps */
3362 case 4: rate = 48; break; /* 24 Mbps */
3363 case 5: rate = 72; break; /* 36 Mbps */
3364 case 6: rate = 96; break; /* 48 Mbps */
3365 case 7: rate = 108; break; /* 54 Mbps */
3366 }
3367 break;
3368
3369 case RT2860_RXWI_PHYMODE_HT_MIXED:
3370 case RT2860_RXWI_PHYMODE_HT_GF:
3371 break;
3372 }
3373
3374 return rate;
3375 }
3376
3377 /*
3378 * rt2860_maxrssi_rxpath
3379 */
3380 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3381 const struct rt2860_rxwi *rxwi)
3382 {
3383 uint8_t rxpath;
3384
3385 rxpath = 0;
3386
3387 if (sc->nrxpath > 1)
3388 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3389 rxpath = 1;
3390
3391 if (sc->nrxpath > 2)
3392 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3393 rxpath = 2;
3394
3395 return rxpath;
3396 }
3397
3398 /*
3399 * rt2860_rssi2dbm
3400 */
3401 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3402 uint8_t rssi, uint8_t rxpath)
3403 {
3404 struct ieee80211com *ic;
3405 struct ieee80211_channel *c;
3406 int chan;
3407 int8_t rssi_off, lna_gain;
3408
3409 if (rssi == 0)
3410 return -99;
3411
3412 ic = &sc->ic;
3413 c = ic->ic_curchan;
3414 chan = ieee80211_chan2ieee(ic, c);
3415
3416 if (IEEE80211_IS_CHAN_5GHZ(c))
3417 {
3418 rssi_off = sc->rssi_off_5ghz[rxpath];
3419
3420 if (chan <= 64)
3421 lna_gain = sc->lna_gain[1];
3422 else if (chan <= 128)
3423 lna_gain = sc->lna_gain[2];
3424 else
3425 lna_gain = sc->lna_gain[3];
3426 }
3427 else
3428 {
3429 rssi_off = sc->rssi_off_2ghz[rxpath];
3430 lna_gain = sc->lna_gain[0];
3431 }
3432
3433 return (-12 - rssi_off - lna_gain - rssi);
3434 }
3435
3436 /*
3437 * rt2860_rate2mcs
3438 */
3439 static uint8_t rt2860_rate2mcs(uint8_t rate)
3440 {
3441 switch (rate)
3442 {
3443 /* CCK rates */
3444 case 2: return 0;
3445 case 4: return 1;
3446 case 11: return 2;
3447 case 22: return 3;
3448
3449 /* OFDM rates */
3450 case 12: return 0;
3451 case 18: return 1;
3452 case 24: return 2;
3453 case 36: return 3;
3454 case 48: return 4;
3455 case 72: return 5;
3456 case 96: return 6;
3457 case 108: return 7;
3458 }
3459
3460 return 0;
3461 }
3462
3463 /*
3464 * rt2860_ackrate
3465 */
3466 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3467 {
3468 switch (rate)
3469 {
3470 /* CCK rates */
3471
3472 case 2:
3473 return 2;
3474
3475 case 4:
3476 case 11:
3477 case 22:
3478 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3479
3480 /* OFDM rates */
3481
3482 case 12:
3483 case 18:
3484 return 12;
3485
3486 case 24:
3487 case 36:
3488 return 24;
3489
3490 case 48:
3491 case 72:
3492 case 96:
3493 case 108:
3494 return 48;
3495 }
3496
3497 /* default to 1Mbps */
3498 return 2;
3499 }
3500
3501 /*
3502 * rt2860_txtime
3503 */
3504 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3505 {
3506 uint16_t txtime;
3507
3508 if (RT2860_RATE_IS_OFDM(rate))
3509 {
3510 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3511 txtime = 16 + 4 + 4 * txtime + 6;
3512 }
3513 else
3514 {
3515 txtime = (16 * len + rate - 1) / rate;
3516
3517 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3518 txtime += 72 + 24;
3519 else
3520 txtime += 144 + 48;
3521 }
3522
3523 return txtime;
3524 }
3525
3526 /*
3527 * rt2860_tx_frame
3528 */
3529 static int rt2860_tx_frame(struct rt2860_softc *sc,
3530 struct mbuf *m, struct ieee80211_node *ni, int qid)
3531 {
3532 struct ieee80211com *ic;
3533 struct rt2860_softc_tx_ring *ring;
3534 struct rt2860_softc_tx_data *data;
3535 struct rt2860_txdesc *desc;
3536 struct rt2860_txwi *txwi;
3537 struct ieee80211_frame *wh;
3538 struct ieee80211_tx_ampdu *tx_ampdu;
3539 struct rt2860_softc_tx_radiotap_header *tap;
3540 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3541 u_int hdrsize, hdrspace;
3542 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
3543 uint16_t qos, len, dmalen, mpdu_len, dur;
3544 int error, hasqos, ac, ampdu, ackrate, ndmasegs, ndescs, i, j;
3545
3546 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3547 ("%s: Tx frame: invalid qid=%d\n",
3548 device_get_nameunit(sc->dev), qid));
3549
3550 ic = &sc->ic;
3551
3552 ring = &sc->tx_ring[qid];
3553 desc = &ring->desc[ring->desc_cur];
3554 data = &ring->data[ring->data_cur];
3555 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3556
3557 wh = mtod(m, struct ieee80211_frame *);
3558
3559 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3560
3561 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3562 if (hasqos)
3563 {
3564 if (IEEE80211_HAS_ADDR4(wh))
3565 qos = le16toh(*(const uint16_t *)
3566 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3567 else
3568 qos = le16toh(*(const uint16_t *)
3569 (((struct ieee80211_qosframe *) wh)->i_qos));
3570 }
3571 else
3572 {
3573 qos = 0;
3574 }
3575
3576 if (ni->ni_flags & IEEE80211_NODE_HT)
3577 {
3578 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3579 rate = 0;
3580 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3581 rate = ic->ic_fixed_rate;
3582 else
3583 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3584 }
3585 else
3586 {
3587 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3588 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3589 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3590 rate = ic->ic_fixed_rate;
3591 else
3592 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3593 }
3594
3595 rate &= IEEE80211_RATE_VAL;
3596
3597 /* fill Tx wireless info */
3598
3599 if (ni->ni_flags & IEEE80211_NODE_HT)
3600 mcs = rate;
3601 else
3602 mcs = rt2860_rate2mcs(rate);
3603
3604 pid = mcs;
3605
3606 /* management frames do not need encryption */
3607
3608 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3609 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3610
3611 /* calculate MPDU length without padding */
3612
3613 hdrsize = ieee80211_hdrsize(wh);
3614 hdrspace = ieee80211_hdrspace(ic, wh);
3615 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3616
3617 memset(txwi, 0, sizeof(struct rt2860_txwi));
3618
3619 txwi->wcid = wcid;
3620
3621 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3622 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3623 RT2860_TXWI_MPDU_LEN_SHIFT);
3624
3625 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
3626 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
3627
3628 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3629 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40));
3630
3631 txwi->phymode_ifs_stbc_shortgi |=
3632 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3633 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3634
3635 if (ni->ni_flags & IEEE80211_NODE_HT)
3636 {
3637 txwi->phymode_ifs_stbc_shortgi |=
3638 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3639 }
3640 else
3641 {
3642 if (!RT2860_RATE_IS_OFDM(rate))
3643 {
3644 txwi->phymode_ifs_stbc_shortgi |=
3645 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3646
3647 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3648 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3649 }
3650 else
3651 {
3652 txwi->phymode_ifs_stbc_shortgi |=
3653 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3654 }
3655 }
3656
3657 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
3658 bw = RT2860_TXWI_BW_40;
3659 else
3660 bw = RT2860_TXWI_BW_20;
3661
3662 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
3663 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3664
3665 if (type != IEEE80211_FC0_TYPE_DATA)
3666 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3667 else
3668 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3669
3670 /* skip ACKs for multicast frames */
3671
3672 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3673 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
3674 {
3675 txwi->bawin_size_xflags |=
3676 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3677
3678 if (ni->ni_flags & IEEE80211_NODE_HT)
3679 {
3680 /* preamble + plcp + signal extension + SIFS */
3681
3682 dur = 16 + 4 + 6 + 10;
3683 }
3684 else
3685 {
3686 ackrate = rt2860_ackrate(ic, rate);
3687
3688 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
3689 sc->sifs;
3690 }
3691
3692 *(uint16_t *) wh->i_dur = htole16(dur);
3693 }
3694
3695 /* check for A-MPDU */
3696
3697 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
3698 {
3699 ac = M_WME_GETAC(m);
3700 tx_ampdu = &ni->ni_tx_ampdu[ac];
3701
3702 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
3703 bawin_size = tx_ampdu->txa_wnd;
3704
3705 txwi->mpdu_density_flags |=
3706 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
3707 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
3708
3709 txwi->bawin_size_xflags |=
3710 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
3711
3712 if (IEEE80211_HAS_ADDR4(wh))
3713 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3714 else
3715 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3716
3717 ampdu = 1;
3718 }
3719 else
3720 {
3721 ampdu = 0;
3722 }
3723
3724 /* ask MAC to insert timestamp into probe responses */
3725
3726 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3727 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3728 txwi->mpdu_density_flags |=
3729 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3730
3731 if (bpf_peers_present(sc->drvbpf))
3732 {
3733 tap = &sc->txtap;
3734
3735 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3736 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3737 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3738 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3739 tap->chan_maxpow = 0;
3740
3741 if (ni->ni_flags & IEEE80211_NODE_HT)
3742 tap->rate = mcs | IEEE80211_RATE_MCS;
3743 else
3744 tap->rate = rate;
3745
3746 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3747 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3748
3749 if (shortgi)
3750 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3751
3752 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3753 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3754
3755 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3756 {
3757 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3758
3759 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3760
3761 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3762 }
3763 else
3764 {
3765 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3766 }
3767 }
3768
3769 /* copy and trim 802.11 header */
3770
3771 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3772 m_adj(m, hdrspace);
3773
3774 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3775 dma_seg, &ndmasegs, 0);
3776 if (error != 0)
3777 {
3778 /* too many fragments, linearize */
3779
3780 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3781 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3782 device_get_nameunit(sc->dev));
3783
3784 m = m_defrag(m, M_DONTWAIT);
3785 if (m == NULL)
3786 return ENOMEM;
3787
3788 sc->tx_defrag_packets++;
3789
3790 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3791 dma_seg, &ndmasegs, 0);
3792 if (error != 0)
3793 {
3794 printf("%s: could not load mbuf DMA map: error=%d\n",
3795 device_get_nameunit(sc->dev), error);
3796 m_freem(m);
3797 return error;
3798 }
3799 }
3800
3801 if (m->m_pkthdr.len == 0)
3802 ndmasegs = 0;
3803
3804 /* determine how many Tx descs are required */
3805
3806 ndescs = 1 + ndmasegs / 2;
3807 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3808 {
3809 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3810 "%s: there are not enough Tx descs\n",
3811 device_get_nameunit(sc->dev));
3812
3813 sc->no_tx_desc_avail++;
3814
3815 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3816 m_freem(m);
3817 return EFBIG;
3818 }
3819
3820 data->m = m;
3821 data->ni = ni;
3822
3823 /* set up Tx descs */
3824
3825 /* first segment is Tx wireless info and 802.11 header */
3826
3827 len = sizeof(struct rt2860_txwi) + hdrsize;
3828
3829 /* align end on a 4-bytes boundary */
3830
3831 dmalen = (len + 3) & ~ 3;
3832
3833 memset((caddr_t) txwi + len, 0, dmalen - len);
3834
3835 qsel = RT2860_TXDESC_QSEL_EDCA;
3836
3837 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3838 desc->sdl0 = htole16(dmalen);
3839 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3840
3841 /* set up payload segments */
3842
3843 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3844 {
3845 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3846 desc->sdl1 = htole16(dma_seg[j].ds_len);
3847
3848 ring->desc_queued++;
3849 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3850
3851 j++;
3852
3853 desc = &ring->desc[ring->desc_cur];
3854
3855 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3856 desc->sdl0 = htole16(dma_seg[j].ds_len);
3857 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3858
3859 j++;
3860 }
3861
3862 /* finalize last payload segment */
3863
3864 if (i > 0)
3865 {
3866 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3867 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3868 }
3869 else
3870 {
3871 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3872 desc->sdl1 = 0;
3873 }
3874
3875 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3876 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3877 "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",
3878 device_get_nameunit(sc->dev),
3879 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3880 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
3881 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);
3882
3883 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3884 BUS_DMASYNC_PREWRITE);
3885 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3886 BUS_DMASYNC_PREWRITE);
3887 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3888 BUS_DMASYNC_PREWRITE);
3889
3890 ring->desc_queued++;
3891 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3892
3893 ring->data_queued++;
3894 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3895
3896 /* kick Tx */
3897
3898 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3899
3900 return 0;
3901 }
3902
3903 /*
3904 * rt2860_tx_raw
3905 */
3906 static int rt2860_tx_raw(struct rt2860_softc *sc,
3907 struct mbuf *m, struct ieee80211_node *ni,
3908 const struct ieee80211_bpf_params *params)
3909 {
3910 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3911 "%s: Tx raw\n",
3912 device_get_nameunit(sc->dev));
3913
3914 return 0;
3915 }
3916
3917 /*
3918 * rt2860_intr
3919 */
3920 static void rt2860_intr(void *arg)
3921 {
3922 struct rt2860_softc *sc;
3923 struct ifnet *ifp;
3924 uint32_t status;
3925
3926 sc = arg;
3927 ifp = sc->ifp;
3928
3929 /* acknowledge interrupts */
3930
3931 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
3932 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
3933
3934 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3935 "%s: interrupt: status = 0x%08x\n",
3936 device_get_nameunit(sc->dev), status);
3937
3938 if (status == 0xffffffff || /* device likely went away */
3939 status == 0) /* not for us */
3940 return;
3941
3942 sc->interrupts++;
3943
3944 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3945 return;
3946
3947 if (status & RT2860_REG_INT_TX_COHERENT)
3948 rt2860_tx_coherent_intr(sc);
3949
3950 if (status & RT2860_REG_INT_RX_COHERENT)
3951 rt2860_rx_coherent_intr(sc);
3952
3953 if (status & RT2860_REG_INT_TXRX_COHERENT)
3954 rt2860_txrx_coherent_intr(sc);
3955
3956 if (status & RT2860_REG_INT_FIFO_STA_FULL)
3957 rt2860_fifo_sta_full_intr(sc);
3958
3959 if (status & RT2860_REG_INT_TX_MGMT_DONE)
3960 rt2860_tx_intr(sc, 5);
3961
3962 if (status & RT2860_REG_INT_RX_DONE)
3963 rt2860_rx_intr(sc);
3964
3965 if (status & RT2860_REG_INT_RX_DELAY_DONE)
3966 rt2860_rx_delay_intr(sc);
3967
3968 if (status & RT2860_REG_INT_TX_HCCA_DONE)
3969 rt2860_tx_intr(sc, 4);
3970
3971 if (status & RT2860_REG_INT_TX_AC3_DONE)
3972 rt2860_tx_intr(sc, 3);
3973
3974 if (status & RT2860_REG_INT_TX_AC2_DONE)
3975 rt2860_tx_intr(sc, 2);
3976
3977 if (status & RT2860_REG_INT_TX_AC1_DONE)
3978 rt2860_tx_intr(sc, 1);
3979
3980 if (status & RT2860_REG_INT_TX_AC0_DONE)
3981 rt2860_tx_intr(sc, 0);
3982
3983 if (status & RT2860_REG_INT_TX_DELAY_DONE)
3984 rt2860_tx_delay_intr(sc);
3985
3986 if (status & RT2860_REG_INT_PRE_TBTT)
3987 rt2860_pre_tbtt_intr(sc);
3988
3989 if (status & RT2860_REG_INT_TBTT)
3990 rt2860_tbtt_intr(sc);
3991
3992 if (status & RT2860_REG_INT_MCU_CMD)
3993 rt2860_mcu_cmd_intr(sc);
3994
3995 if (status & RT2860_REG_INT_AUTO_WAKEUP)
3996 rt2860_auto_wakeup_intr(sc);
3997
3998 if (status & RT2860_REG_INT_GP_TIMER)
3999 rt2860_gp_timer_intr(sc);
4000 }
4001
4002 /*
4003 * rt2860_tx_coherent_intr
4004 */
4005 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4006 {
4007 uint32_t tmp;
4008 int i;
4009
4010 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4011 "%s: Tx coherent interrupt\n",
4012 device_get_nameunit(sc->dev));
4013
4014 sc->tx_coherent_interrupts++;
4015
4016 /* restart DMA engine */
4017
4018 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4019
4020 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4021 RT2860_REG_RX_DMA_ENABLE |
4022 RT2860_REG_TX_DMA_ENABLE);
4023
4024 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4025
4026 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4027
4028 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4029 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4030
4031 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4032 {
4033 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4034 sc->tx_ring[i].desc_phys_addr);
4035 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4036 RT2860_SOFTC_TX_RING_DESC_COUNT);
4037 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4038 }
4039
4040 /* init Rx ring */
4041
4042 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4043
4044 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4045 sc->rx_ring.desc_phys_addr);
4046 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4047 RT2860_SOFTC_RX_RING_DATA_COUNT);
4048 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4049 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4050
4051 rt2860_txrx_enable(sc);
4052 }
4053
4054 /*
4055 * rt2860_rx_coherent_intr
4056 */
4057 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4058 {
4059 uint32_t tmp;
4060 int i;
4061
4062 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4063 "%s: Rx coherent interrupt\n",
4064 device_get_nameunit(sc->dev));
4065
4066 sc->rx_coherent_interrupts++;
4067
4068 /* restart DMA engine */
4069
4070 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4071
4072 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4073 RT2860_REG_RX_DMA_ENABLE |
4074 RT2860_REG_TX_DMA_ENABLE);
4075
4076 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4077
4078 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4079
4080 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4081 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4082
4083 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4084 {
4085 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4086 sc->tx_ring[i].desc_phys_addr);
4087 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4088 RT2860_SOFTC_TX_RING_DESC_COUNT);
4089 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4090 }
4091
4092 /* init Rx ring */
4093
4094 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4095
4096 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4097 sc->rx_ring.desc_phys_addr);
4098 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4099 RT2860_SOFTC_RX_RING_DATA_COUNT);
4100 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4101 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4102
4103 rt2860_txrx_enable(sc);
4104 }
4105
4106 /*
4107 * rt2860_txrx_coherent_intr
4108 */
4109 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4110 {
4111 uint32_t tmp;
4112 int i;
4113
4114 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4115 "%s: Tx/Rx coherent interrupt\n",
4116 device_get_nameunit(sc->dev));
4117
4118 sc->txrx_coherent_interrupts++;
4119
4120 /* restart DMA engine */
4121
4122 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4123
4124 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4125 RT2860_REG_RX_DMA_ENABLE |
4126 RT2860_REG_TX_DMA_ENABLE);
4127
4128 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4129
4130 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4131
4132 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4133 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4134
4135 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4136 {
4137 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4138 sc->tx_ring[i].desc_phys_addr);
4139 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4140 RT2860_SOFTC_TX_RING_DESC_COUNT);
4141 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4142 }
4143
4144 /* init Rx ring */
4145
4146 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4147
4148 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4149 sc->rx_ring.desc_phys_addr);
4150 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4151 RT2860_SOFTC_RX_RING_DATA_COUNT);
4152 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4153 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4154
4155 rt2860_txrx_enable(sc);
4156 }
4157
4158 /*
4159 * rt2860_fifo_sta_full_intr
4160 */
4161 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4162 {
4163 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4164 "%s: FIFO statistic full interrupt\n",
4165 device_get_nameunit(sc->dev));
4166
4167 sc->fifo_sta_full_interrupts++;
4168
4169 RT2860_SOFTC_LOCK(sc);
4170
4171 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4172 {
4173 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4174
4175 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4176 }
4177
4178 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4179
4180 RT2860_SOFTC_UNLOCK(sc);
4181 }
4182
4183 /*
4184 * rt2860_rx_intr
4185 */
4186 static void rt2860_rx_intr(struct rt2860_softc *sc)
4187 {
4188 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4189 "%s: Rx interrupt\n",
4190 device_get_nameunit(sc->dev));
4191
4192 sc->rx_interrupts++;
4193
4194 RT2860_SOFTC_LOCK(sc);
4195
4196 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4197 {
4198 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4199
4200 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4201 }
4202
4203 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4204
4205 RT2860_SOFTC_UNLOCK(sc);
4206 }
4207
4208 /*
4209 * rt2860_rx_delay_intr
4210 */
4211 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4212 {
4213 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4214 "%s: Rx delay interrupt\n",
4215 device_get_nameunit(sc->dev));
4216
4217 sc->rx_delay_interrupts++;
4218 }
4219
4220 /*
4221 * rt2860_tx_intr
4222 */
4223 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4224 {
4225 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4226 ("%s: Tx interrupt: invalid qid=%d\n",
4227 device_get_nameunit(sc->dev), qid));
4228
4229 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4230 "%s: Tx interrupt: qid=%d\n",
4231 device_get_nameunit(sc->dev), qid);
4232
4233 sc->tx_interrupts[qid]++;
4234
4235 RT2860_SOFTC_LOCK(sc);
4236
4237 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4238 {
4239 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4240
4241 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4242 }
4243
4244 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4245
4246 RT2860_SOFTC_UNLOCK(sc);
4247 }
4248
4249 /*
4250 * rt2860_tx_delay_intr
4251 */
4252 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4253 {
4254 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4255 "%s: Tx delay interrupt\n",
4256 device_get_nameunit(sc->dev));
4257
4258 sc->tx_delay_interrupts++;
4259 }
4260
4261 /*
4262 * rt2860_pre_tbtt_intr
4263 */
4264 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4265 {
4266 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4267 "%s: Pre-TBTT interrupt\n",
4268 device_get_nameunit(sc->dev));
4269
4270 sc->pre_tbtt_interrupts++;
4271 }
4272
4273 /*
4274 * rt2860_tbtt_intr
4275 */
4276 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4277 {
4278 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4279 "%s: TBTT interrupt\n",
4280 device_get_nameunit(sc->dev));
4281
4282 sc->tbtt_interrupts++;
4283 }
4284
4285 /*
4286 * rt2860_mcu_cmd_intr
4287 */
4288 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4289 {
4290 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4291 "%s: MCU command interrupt\n",
4292 device_get_nameunit(sc->dev));
4293
4294 sc->mcu_cmd_interrupts++;
4295 }
4296
4297 /*
4298 * rt2860_auto_wakeup_intr
4299 */
4300 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4301 {
4302 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4303 "%s: auto wakeup interrupt\n",
4304 device_get_nameunit(sc->dev));
4305
4306 sc->auto_wakeup_interrupts++;
4307 }
4308
4309 /*
4310 * rt2860_gp_timer_intr
4311 */
4312 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4313 {
4314 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4315 "%s: GP timer interrupt\n",
4316 device_get_nameunit(sc->dev));
4317
4318 sc->gp_timer_interrupts++;
4319 }
4320
4321 /*
4322 * rt2860_rx_done_task
4323 */
4324 static void rt2860_rx_done_task(void *context, int pending)
4325 {
4326 struct rt2860_softc *sc;
4327 struct ifnet *ifp;
4328 int again;
4329
4330 sc = context;
4331 ifp = sc->ifp;
4332
4333 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4334 "%s: Rx done task\n",
4335 device_get_nameunit(sc->dev));
4336
4337 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4338 return;
4339
4340 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4341
4342 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4343
4344 RT2860_SOFTC_LOCK(sc);
4345
4346 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4347 {
4348 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4349 "%s: Rx done task: scheduling again\n",
4350 device_get_nameunit(sc->dev));
4351
4352 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4353 }
4354 else
4355 {
4356 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4357 }
4358
4359 RT2860_SOFTC_UNLOCK(sc);
4360 }
4361
4362 /*
4363 * rt2860_tx_done_task
4364 */
4365 static void rt2860_tx_done_task(void *context, int pending)
4366 {
4367 struct rt2860_softc *sc;
4368 struct ifnet *ifp;
4369 uint32_t intr_mask;
4370 int i;
4371
4372 sc = context;
4373 ifp = sc->ifp;
4374
4375 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4376 "%s: Tx done task\n",
4377 device_get_nameunit(sc->dev));
4378
4379 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4380 return;
4381
4382 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4383 {
4384 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4385 {
4386 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4387
4388 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4389 }
4390 }
4391
4392 sc->tx_timer = 0;
4393
4394 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4395
4396 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4397 RT2860_REG_INT_TX_HCCA_DONE |
4398 RT2860_REG_INT_TX_AC3_DONE |
4399 RT2860_REG_INT_TX_AC2_DONE |
4400 RT2860_REG_INT_TX_AC1_DONE |
4401 RT2860_REG_INT_TX_AC0_DONE);
4402
4403 RT2860_SOFTC_LOCK(sc);
4404
4405 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4406 (sc->intr_disable_mask & intr_mask));
4407
4408 if (sc->intr_pending_mask & intr_mask)
4409 {
4410 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4411 "%s: Tx done task: scheduling again\n",
4412 device_get_nameunit(sc->dev));
4413
4414 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4415 }
4416
4417 RT2860_SOFTC_UNLOCK(sc);
4418 }
4419
4420 /*
4421 * rt2860_fifo_sta_full_task
4422 */
4423 static void rt2860_fifo_sta_full_task(void *context, int pending)
4424 {
4425 struct rt2860_softc *sc;
4426 struct ifnet *ifp;
4427
4428 sc = context;
4429 ifp = sc->ifp;
4430
4431 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4432 "%s: FIFO statistic full task\n",
4433 device_get_nameunit(sc->dev));
4434
4435 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4436 return;
4437
4438 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4439
4440 rt2860_drain_fifo_stats(sc);
4441
4442 RT2860_SOFTC_LOCK(sc);
4443
4444 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4445 {
4446 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4447 "%s: FIFO statistic full task: scheduling again\n",
4448 device_get_nameunit(sc->dev));
4449
4450 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4451 }
4452 else
4453 {
4454 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4455 }
4456
4457 RT2860_SOFTC_UNLOCK(sc);
4458 }
4459
4460 /*
4461 * rt2860_periodic_task
4462 */
4463 static void rt2860_periodic_task(void *context, int pending)
4464 {
4465 struct rt2860_softc *sc;
4466 struct ifnet *ifp;
4467 struct ieee80211com *ic;
4468
4469 sc = context;
4470 ifp = sc->ifp;
4471 ic = &sc->ic;
4472
4473 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4474 "%s: periodic task: round=%lu\n",
4475 device_get_nameunit(sc->dev), sc->periodic_round);
4476
4477 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4478 return;
4479
4480 RT2860_SOFTC_LOCK(sc);
4481
4482 sc->periodic_round++;
4483
4484 rt2860_update_stats(sc);
4485
4486 if ((sc->periodic_round % 10) == 0)
4487 {
4488 rt2860_bbp_tuning(sc);
4489
4490 rt2860_update_raw_counters(sc);
4491
4492 rt2860_watchdog(sc);
4493
4494 if (ic->ic_opmode != IEEE80211_M_MONITOR && ic->ic_state == IEEE80211_S_RUN)
4495 {
4496 if (ic->ic_opmode == IEEE80211_M_STA)
4497 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4498 else
4499 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4500 }
4501 }
4502
4503 RT2860_SOFTC_UNLOCK(sc);
4504
4505 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4506 }
4507
4508 /*
4509 * rt2860_rx_eof
4510 */
4511 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4512 {
4513 struct ieee80211com *ic;
4514 struct ifnet *ifp;
4515 struct ieee80211_frame *wh;
4516 struct ieee80211_node *ni;
4517 struct rt2860_softc_node *rni;
4518 struct rt2860_softc_rx_radiotap_header *tap;
4519 struct rt2860_softc_rx_ring *ring;
4520 struct rt2860_rxdesc *desc;
4521 struct rt2860_softc_rx_data *data;
4522 struct rt2860_rxwi *rxwi;
4523 struct mbuf *m, *mnew;
4524 bus_dma_segment_t segs[1];
4525 bus_dmamap_t dma_map;
4526 uint32_t index, desc_flags;
4527 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4528 int8_t rssi_dbm;
4529 int error, nsegs, len, ampdu, amsdu, nframes, i;
4530
4531 ic = &sc->ic;
4532 ifp = sc->ifp;
4533 ring = &sc->rx_ring;
4534
4535 nframes = 0;
4536
4537 while (limit != 0)
4538 {
4539 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4540 if (ring->cur == index)
4541 break;
4542
4543 desc = &ring->desc[ring->cur];
4544 desc_flags = le32toh(desc->flags);
4545 data = &ring->data[ring->cur];
4546
4547 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4548 BUS_DMASYNC_POSTREAD);
4549
4550 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4551 break;
4552
4553 nframes++;
4554
4555 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4556 if (mnew == NULL)
4557 {
4558 sc->rx_mbuf_alloc_errors++;
4559 ifp->if_ierrors++;
4560 goto skip;
4561 }
4562
4563 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4564
4565 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
4566 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4567 if (error != 0)
4568 {
4569 m_freem(mnew);
4570
4571 sc->rx_mbuf_dmamap_errors++;
4572 ifp->if_ierrors++;
4573
4574 goto skip;
4575 }
4576
4577 KASSERT(nsegs == 1, ("%s: too many DMA segments",
4578 device_get_name(sc->dev)));
4579
4580 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4581 BUS_DMASYNC_POSTREAD);
4582 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4583
4584 dma_map = data->dma_map;
4585 data->dma_map = ring->spare_dma_map;
4586 ring->spare_dma_map = dma_map;
4587
4588 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4589 BUS_DMASYNC_PREREAD);
4590
4591 m = data->m;
4592
4593 data->m = mnew;
4594 desc->sdp0 = htole32(segs[0].ds_addr);
4595
4596 /* get Rx wireless info */
4597
4598 rxwi = mtod(m, struct rt2860_rxwi *);
4599 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4600 RT2860_RXWI_SIZE_MASK;
4601
4602 /* check for L2 padding between IEEE 802.11 frame header and body */
4603
4604 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4605 {
4606 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4607 "%s: L2 padding: len=%d\n",
4608 device_get_nameunit(sc->dev), len);
4609
4610 len += 2;
4611 }
4612
4613 m->m_pkthdr.rcvif = ifp;
4614 m->m_data = (caddr_t) (rxwi + 1);
4615 m->m_pkthdr.len = m->m_len = len;
4616
4617 /* check for crc errors */
4618
4619 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4620 {
4621 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4622 "%s: rxdesc: crc error\n",
4623 device_get_nameunit(sc->dev));
4624
4625 ifp->if_ierrors++;
4626
4627 if (!(ifp->if_flags & IFF_PROMISC))
4628 {
4629 m_freem(m);
4630 goto skip;
4631 }
4632 }
4633
4634 wh = (struct ieee80211_frame *) (rxwi + 1);
4635
4636 /* check for cipher errors */
4637
4638 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4639 {
4640 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4641 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4642 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4643 {
4644 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4645 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4646
4647 m->m_flags |= M_WEP;
4648 }
4649 else
4650 {
4651 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4652 "%s: rxdesc: cipher error=0x%02x\n",
4653 device_get_nameunit(sc->dev), cipher_err);
4654
4655 ifp->if_ierrors++;
4656
4657 if (!(ifp->if_flags & IFF_PROMISC))
4658 {
4659 m_free(m);
4660 goto skip;
4661 }
4662 }
4663 }
4664 else
4665 {
4666 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4667 {
4668 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4669 "%s: rxdesc: not decrypted but protected flag set\n",
4670 device_get_nameunit(sc->dev));
4671
4672 ifp->if_ierrors++;
4673
4674 if (!(ifp->if_flags & IFF_PROMISC))
4675 {
4676 m_free(m);
4677 goto skip;
4678 }
4679 }
4680 }
4681
4682 /* check for A-MPDU */
4683
4684 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4685 {
4686 m->m_flags |= M_AMPDU;
4687
4688 sc->rx_ampdu++;
4689
4690 ampdu = 1;
4691 }
4692 else
4693 {
4694 ampdu = 0;
4695 }
4696
4697 /* check for A-MSDU */
4698
4699 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
4700 {
4701 sc->rx_amsdu++;
4702
4703 amsdu = 1;
4704 }
4705 else
4706 {
4707 amsdu = 0;
4708 }
4709
4710 ant = rt2860_maxrssi_rxpath(sc, rxwi);
4711 rssi = rxwi->rssi[ant];
4712 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
4713 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4714 RT2860_RXWI_PHYMODE_MASK);
4715 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
4716 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
4717 RT2860_RXWI_SHORTGI_MASK);
4718 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
4719
4720 if (bpf_peers_present(sc->drvbpf))
4721 {
4722 tap = &sc->rxtap;
4723
4724 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4725 tap->dbm_antsignal = rssi_dbm;
4726 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
4727 tap->antenna = ant;
4728 tap->antsignal = rssi;
4729 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4730 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4731 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4732 tap->chan_maxpow = 0;
4733
4734 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
4735 tap->rate = mcs | IEEE80211_RATE_MCS;
4736 else
4737 tap->rate = rt2860_rxrate(rxwi);
4738
4739 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
4740 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4741
4742 if (shortgi)
4743 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4744
4745 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4746 }
4747
4748 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4749 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4750 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4751 device_get_nameunit(sc->dev),
4752 len, phymode, bw, shortgi, mcs,
4753 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4754 rxwi->snr[0], rxwi->snr[1],
4755 rxwi->wcid, ampdu, amsdu);
4756
4757 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4758
4759 if (ni != NULL)
4760 {
4761 rni = (struct rt2860_softc_node *) ni;
4762
4763 for (i = 0; i < RT2860_SOFTC_RSSI_DBM_COUNT; i++)
4764 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
4765 }
4766
4767 ieee80211_input(ic, m, ni, rssi_dbm, RT2860_NOISE_FLOOR, 0);
4768
4769 ieee80211_free_node(ni);
4770
4771 skip:
4772
4773 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
4774
4775 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4776 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4777
4778 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
4779
4780 limit--;
4781 }
4782
4783 if (ring->cur == 0)
4784 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4785 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4786 else
4787 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4788 ring->cur - 1);
4789
4790 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4791 "%s: Rx eof: nframes=%d\n",
4792 device_get_nameunit(sc->dev), nframes);
4793
4794 sc->rx_packets += nframes;
4795
4796 return (limit == 0);
4797 }
4798
4799 /*
4800 * rt2860_tx_eof
4801 */
4802 static void rt2860_tx_eof(struct rt2860_softc *sc,
4803 struct rt2860_softc_tx_ring *ring)
4804 {
4805 struct ifnet *ifp;
4806 struct rt2860_txdesc *desc;
4807 struct rt2860_softc_tx_data *data;
4808 uint32_t index;
4809 int ndescs, nframes;
4810
4811 ifp = sc->ifp;
4812
4813 ndescs = 0;
4814 nframes = 0;
4815
4816 for (;;)
4817 {
4818 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
4819 if (ring->desc_next == index)
4820 break;
4821
4822 ndescs++;
4823
4824 rt2860_drain_fifo_stats(sc);
4825
4826 desc = &ring->desc[ring->desc_next];
4827
4828 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4829 BUS_DMASYNC_POSTREAD);
4830
4831 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
4832 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
4833 {
4834 nframes++;
4835
4836 data = &ring->data[ring->data_next];
4837
4838 if (data->m->m_flags & M_TXCB)
4839 ieee80211_process_callback(data->ni, data->m, 0);
4840
4841 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4842 BUS_DMASYNC_POSTWRITE);
4843 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4844
4845 m_freem(data->m);
4846
4847 ieee80211_free_node(data->ni);
4848
4849 data->m = NULL;
4850 data->ni = NULL;
4851
4852 ifp->if_opackets++;
4853
4854 RT2860_SOFTC_LOCK(sc);
4855
4856 ring->data_queued--;
4857 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4858
4859 RT2860_SOFTC_UNLOCK(sc);
4860 }
4861
4862 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
4863
4864 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4865 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4866
4867 RT2860_SOFTC_LOCK(sc);
4868
4869 ring->desc_queued--;
4870 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4871
4872 RT2860_SOFTC_UNLOCK(sc);
4873 }
4874
4875 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4876 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
4877 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
4878 }
4879
4880 /*
4881 * rt2860_update_stats
4882 */
4883 static void rt2860_update_stats(struct rt2860_softc *sc)
4884 {
4885 struct ifnet *ifp;
4886 struct ieee80211com *ic;
4887 struct ieee80211_node *ni;
4888 uint32_t stacnt[3];
4889 int beacons, noretryok, retryok, failed, underflows, zerolen;
4890 uint16_t associd;
4891 uint8_t wcid;
4892
4893 ifp = sc->ifp;
4894 ic = &sc->ic;
4895
4896 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4897 "%s: update statistic\n",
4898 device_get_nameunit(sc->dev));
4899
4900 rt2860_drain_fifo_stats(sc);
4901
4902 /* read and clear Tx statistic registers */
4903
4904 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
4905 stacnt, sizeof(stacnt));
4906
4907 stacnt[0] = le32toh(stacnt[0]);
4908 stacnt[1] = le32toh(stacnt[1]);
4909 stacnt[2] = le32toh(stacnt[2]);
4910
4911 beacons = stacnt[0] >> 16;
4912 noretryok = stacnt[1] & 0xffff;
4913 retryok = stacnt[1] >> 16;
4914 failed = stacnt[0] & 0xffff;
4915 underflows = stacnt[2] >> 16;
4916 zerolen = stacnt[2] & 0xffff;
4917
4918 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4919 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
4920 device_get_nameunit(sc->dev),
4921 beacons, noretryok, retryok, failed, underflows, zerolen);
4922
4923 ifp->if_oerrors += failed;
4924
4925 sc->tx_beacons += beacons;
4926 sc->tx_noretryok += noretryok;
4927 sc->tx_retryok += retryok;
4928 sc->tx_failed += failed;
4929 sc->tx_underflows += underflows;
4930 sc->tx_zerolen += zerolen;
4931
4932 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4933 {
4934 ni = ic->ic_bss;
4935
4936 associd = (ni != NULL) ? ni->ni_associd : 0;
4937 wcid = RT2860_AID2WCID(associd);
4938
4939 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
4940 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4941 }
4942 }
4943
4944 /*
4945 * rt2860_bbp_tuning
4946 */
4947 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
4948 {
4949 struct ieee80211com *ic;
4950 struct ieee80211_node *ni;
4951 int chan, group;
4952 int8_t rssi, old, new;
4953
4954 /* RT2860C does not support BBP tuning */
4955
4956 if (sc->mac_rev == 0x28600100)
4957 return;
4958
4959 ic = &sc->ic;
4960
4961 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
4962 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
4963 return;
4964
4965 ni = ic->ic_bss;
4966
4967 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
4968
4969 if (chan <= 14)
4970 group = 0;
4971 else if (chan <= 64)
4972 group = 1;
4973 else if (chan <= 128)
4974 group = 2;
4975 else
4976 group = 3;
4977
4978 rssi = ieee80211_getrssi(ic);
4979
4980 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
4981 {
4982 new = 0x2e + sc->lna_gain[group];
4983 }
4984 else
4985 {
4986 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
4987 new = 0x32 + sc->lna_gain[group] * 5 / 3;
4988 else
4989 new = 0x3a + sc->lna_gain[group] * 5 / 3;
4990 }
4991
4992 /* Tune if absolute average RSSI is greater than -80 */
4993
4994 if (rssi > -80)
4995 new += 0x10;
4996
4997 old = rt2860_io_bbp_read(sc, 66);
4998
4999 if (old != new)
5000 rt2860_io_bbp_write(sc, 66, new);
5001 }
5002
5003 /*
5004 * rt2860_watchdog
5005 */
5006 static void rt2860_watchdog(struct rt2860_softc *sc)
5007 {
5008 uint32_t tmp;
5009 int ntries;
5010
5011 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5012
5013 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5014 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5015 device_get_nameunit(sc->dev), tmp);
5016
5017 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5018 {
5019 sc->tx_queue_not_empty[0]++;
5020
5021 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5022
5023 for (ntries = 0; ntries < 10; ntries++)
5024 {
5025 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5026 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5027 break;
5028
5029 DELAY(1);
5030 }
5031
5032 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5033 }
5034
5035 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5036 {
5037 sc->tx_queue_not_empty[1]++;
5038
5039 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5040
5041 for (ntries = 0; ntries < 10; ntries++)
5042 {
5043 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5044 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5045 break;
5046
5047 DELAY(1);
5048 }
5049
5050 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5051 }
5052 }
5053
5054 /*
5055 * rt2860_drain_fifo_stats
5056 */
5057 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5058 {
5059 struct ifnet *ifp;
5060 uint32_t stats;
5061 uint8_t wcid, mcs, pid;
5062 int ok, agg, retrycnt;
5063
5064 ifp = sc->ic.ic_ifp;
5065
5066 /* drain Tx status FIFO (maxsize = 16) */
5067
5068 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5069 RT2860_REG_TX_STA_FIFO_VALID)
5070 {
5071 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5072 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5073
5074 /* if no ACK was requested, no feedback is available */
5075
5076 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5077 continue;
5078
5079 /* update AMRR statistic */
5080
5081 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5082 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5083 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5084 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5085 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5086 RT2860_REG_TX_STA_FIFO_PID_MASK;
5087 retrycnt = pid - mcs;
5088
5089 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5090 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5091 device_get_nameunit(sc->dev),
5092 wcid, ok, agg, mcs, pid, retrycnt);
5093
5094 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5095
5096 if (!ok)
5097 ifp->if_oerrors++;
5098 }
5099 }
5100
5101 /*
5102 * rt2860_update_raw_counters
5103 */
5104 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5105 {
5106 uint32_t tmp;
5107
5108 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5109
5110 sc->tx_nonagg += tmp & 0xffff;
5111 sc->tx_agg += tmp >> 16;
5112
5113 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5114
5115 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5116
5117 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5118
5119 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5120
5121 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5122
5123 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5124
5125 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5126
5127 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5128
5129 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5130
5131 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5132
5133 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5134
5135 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5136
5137 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5138
5139 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5140
5141 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5142
5143 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5144
5145 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5146
5147 sc->rx_crc_errors += tmp & 0xffff;
5148 sc->rx_phy_errors += tmp >> 16;
5149
5150 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5151
5152 sc->rx_false_ccas += tmp & 0xffff;
5153 sc->rx_plcp_errors += tmp >> 16;
5154
5155 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5156
5157 sc->rx_dup_packets += tmp & 0xffff;
5158 sc->rx_fifo_overflows += tmp >> 16;
5159
5160 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5161
5162 sc->tx_mpdu_zero_density += tmp & 0xffff;
5163 sc->rx_mpdu_zero_density += tmp >> 16;
5164 }
5165
5166 /*
5167 * rt2860_intr_enable
5168 */
5169 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5170 {
5171 uint32_t tmp;
5172
5173 sc->intr_disable_mask &= ~intr_mask;
5174
5175 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5176
5177 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5178 }
5179
5180 /*
5181 * rt2860_intr_disable
5182 */
5183 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5184 {
5185 uint32_t tmp;
5186
5187 sc->intr_disable_mask |= intr_mask;
5188
5189 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5190
5191 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5192 }
5193
5194 /*
5195 * rt2860_txrx_enable
5196 */
5197 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5198 {
5199 struct ieee80211com *ic;
5200 struct ifnet *ifp;
5201 uint32_t tmp;
5202 int ntries;
5203
5204 ic = &sc->ic;
5205 ifp = ic->ic_ifp;
5206
5207 /* enable Tx/Rx DMA engine */
5208
5209 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5210
5211 for (ntries = 0; ntries < 200; ntries++)
5212 {
5213 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5214 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5215 break;
5216
5217 DELAY(1000);
5218 }
5219
5220 if (ntries == 200)
5221 {
5222 printf("%s: timeout waiting for DMA engine\n",
5223 device_get_nameunit(sc->dev));
5224 return -1;
5225 }
5226
5227 DELAY(50);
5228
5229 tmp |= RT2860_REG_TX_WB_DDONE |
5230 RT2860_REG_RX_DMA_ENABLE |
5231 RT2860_REG_TX_DMA_ENABLE |
5232 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5233
5234 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5235
5236 /* set Rx filter */
5237
5238 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5239 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5240
5241 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5242 {
5243 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5244 RT2860_REG_RX_FILTER_DROP_CTS |
5245 RT2860_REG_RX_FILTER_DROP_BA |
5246 RT2860_REG_RX_FILTER_DROP_ACK |
5247 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5248 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5249 RT2860_REG_RX_FILTER_DROP_CFACK |
5250 RT2860_REG_RX_FILTER_DROP_CFEND;
5251
5252 if (ic->ic_opmode == IEEE80211_M_STA)
5253 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5254 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5255
5256 if (!(ifp->if_flags & IFF_PROMISC))
5257 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5258 }
5259
5260 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5261
5262 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5263 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5264
5265 return 0;
5266 }
5267
5268 /*
5269 * rt2860_alloc_rx_ring
5270 */
5271 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5272 struct rt2860_softc_rx_ring *ring)
5273 {
5274 struct rt2860_rxdesc *desc;
5275 struct rt2860_softc_rx_data *data;
5276 bus_dma_segment_t segs[1];
5277 int i, nsegs, error;
5278
5279 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5280 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5281 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5282 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5283 0, NULL, NULL, &ring->desc_dma_tag);
5284 if (error != 0)
5285 {
5286 printf("%s: could not create Rx desc DMA tag\n",
5287 device_get_nameunit(sc->dev));
5288 goto fail;
5289 }
5290
5291 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5292 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5293 if (error != 0)
5294 {
5295 printf("%s: could not allocate Rx desc DMA memory\n",
5296 device_get_nameunit(sc->dev));
5297 goto fail;
5298 }
5299
5300 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5301 ring->desc,
5302 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5303 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5304 if (error != 0)
5305 {
5306 printf("%s: could not load Rx desc DMA map\n",
5307 device_get_nameunit(sc->dev));
5308 goto fail;
5309 }
5310
5311 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5312 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5313 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5314 &ring->data_dma_tag);
5315 if (error != 0)
5316 {
5317 printf("%s: could not create Rx data DMA tag\n",
5318 device_get_nameunit(sc->dev));
5319 goto fail;
5320 }
5321
5322 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5323 {
5324 desc = &ring->desc[i];
5325 data = &ring->data[i];
5326
5327 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5328 if (error != 0)
5329 {
5330 printf("%s: could not create Rx data DMA map\n",
5331 device_get_nameunit(sc->dev));
5332 goto fail;
5333 }
5334
5335 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5336 if (data->m == NULL)
5337 {
5338 printf("%s: could not allocate Rx mbuf\n",
5339 device_get_nameunit(sc->dev));
5340 error = ENOMEM;
5341 goto fail;
5342 }
5343
5344 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5345
5346 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5347 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5348 if (error != 0)
5349 {
5350 printf("%s: could not load Rx mbuf DMA map\n",
5351 device_get_nameunit(sc->dev));
5352 goto fail;
5353 }
5354
5355 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5356 device_get_name(sc->dev)));
5357
5358 desc->sdp0 = htole32(segs[0].ds_addr);
5359 desc->sdl0 = htole16(MJUMPAGESIZE);
5360 }
5361
5362 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5363 if (error != 0)
5364 {
5365 printf("%s: could not create Rx spare DMA map\n",
5366 device_get_nameunit(sc->dev));
5367 goto fail;
5368 }
5369
5370 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5371 BUS_DMASYNC_PREWRITE);
5372
5373 return 0;
5374
5375 fail:
5376
5377 rt2860_free_rx_ring(sc, ring);
5378
5379 return error;
5380 }
5381
5382 /*
5383 * rt2860_reset_rx_ring
5384 */
5385 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5386 struct rt2860_softc_rx_ring *ring)
5387 {
5388 struct rt2860_rxdesc *desc;
5389 int i;
5390
5391 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5392 {
5393 desc = &ring->desc[i];
5394
5395 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5396 }
5397
5398 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5399 BUS_DMASYNC_PREWRITE);
5400
5401 ring->cur = 0;
5402 }
5403
5404 /*
5405 * rt2860_free_rx_ring
5406 */
5407 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5408 struct rt2860_softc_rx_ring *ring)
5409 {
5410 struct rt2860_softc_rx_data *data;
5411 int i;
5412
5413 if (ring->desc != NULL)
5414 {
5415 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5416 BUS_DMASYNC_POSTWRITE);
5417 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5418 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5419 ring->desc_dma_map);
5420 }
5421
5422 if (ring->desc_dma_tag != NULL)
5423 bus_dma_tag_destroy(ring->desc_dma_tag);
5424
5425 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5426 {
5427 data = &ring->data[i];
5428
5429 if (data->m != NULL)
5430 {
5431 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5432 BUS_DMASYNC_POSTREAD);
5433 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5434 m_freem(data->m);
5435 }
5436
5437 if (data->dma_map != NULL)
5438 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5439 }
5440
5441 if (ring->spare_dma_map != NULL)
5442 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5443
5444 if (ring->data_dma_tag != NULL)
5445 bus_dma_tag_destroy(ring->data_dma_tag);
5446 }
5447
5448 /*
5449 * rt2860_alloc_tx_ring
5450 */
5451 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5452 struct rt2860_softc_tx_ring *ring, int qid)
5453 {
5454 struct rt2860_softc_tx_data *data;
5455 int error, i;
5456
5457 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5458 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5459 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5460 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5461 0, NULL, NULL, &ring->desc_dma_tag);
5462 if (error != 0)
5463 {
5464 printf("%s: could not create Tx desc DMA tag\n",
5465 device_get_nameunit(sc->dev));
5466 goto fail;
5467 }
5468
5469 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5470 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5471 if (error != 0)
5472 {
5473 printf("%s: could not allocate Tx desc DMA memory\n",
5474 device_get_nameunit(sc->dev));
5475 goto fail;
5476 }
5477
5478 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5479 ring->desc,
5480 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5481 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5482 if (error != 0)
5483 {
5484 printf("%s: could not load Tx desc DMA map\n",
5485 device_get_nameunit(sc->dev));
5486 goto fail;
5487 }
5488
5489 ring->desc_queued = 0;
5490 ring->desc_cur = 0;
5491 ring->desc_next = 0;
5492
5493 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5494 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5495 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5496 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5497 0, NULL, NULL, &ring->seg0_dma_tag);
5498 if (error != 0)
5499 {
5500 printf("%s: could not create Tx seg0 DMA tag\n",
5501 device_get_nameunit(sc->dev));
5502 goto fail;
5503 }
5504
5505 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5506 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5507 if (error != 0)
5508 {
5509 printf("%s: could not allocate Tx seg0 DMA memory\n",
5510 device_get_nameunit(sc->dev));
5511 goto fail;
5512 }
5513
5514 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5515 ring->seg0,
5516 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5517 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5518 if (error != 0)
5519 {
5520 printf("%s: could not load Tx seg0 DMA map\n",
5521 device_get_nameunit(sc->dev));
5522 goto fail;
5523 }
5524
5525 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5526 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5527 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5528 &ring->data_dma_tag);
5529 if (error != 0)
5530 {
5531 printf("%s: could not create Tx data DMA tag\n",
5532 device_get_nameunit(sc->dev));
5533 goto fail;
5534 }
5535
5536 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5537 {
5538 data = &ring->data[i];
5539
5540 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5541 if (error != 0)
5542 {
5543 printf("%s: could not create Tx data DMA map\n",
5544 device_get_nameunit(sc->dev));
5545 goto fail;
5546 }
5547 }
5548
5549 ring->data_queued = 0;
5550 ring->data_cur = 0;
5551 ring->data_next = 0;
5552
5553 ring->qid = qid;
5554
5555 return 0;
5556
5557 fail:
5558
5559 rt2860_free_tx_ring(sc, ring);
5560
5561 return error;
5562 }
5563
5564 /*
5565 * rt2860_reset_tx_ring
5566 */
5567 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5568 struct rt2860_softc_tx_ring *ring)
5569 {
5570 struct rt2860_softc_tx_data *data;
5571 struct rt2860_txdesc *desc;
5572 int i;
5573
5574 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5575 {
5576 desc = &ring->desc[i];
5577
5578 desc->sdl0 = 0;
5579 desc->sdl1 = 0;
5580 }
5581
5582 ring->desc_queued = 0;
5583 ring->desc_cur = 0;
5584 ring->desc_next = 0;
5585
5586 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5587 BUS_DMASYNC_PREWRITE);
5588
5589 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5590 BUS_DMASYNC_PREWRITE);
5591
5592 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5593 {
5594 data = &ring->data[i];
5595
5596 if (data->m != NULL)
5597 {
5598 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5599 BUS_DMASYNC_POSTWRITE);
5600 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5601 m_freem(data->m);
5602 data->m = NULL;
5603 }
5604
5605 if (data->ni != NULL)
5606 {
5607 ieee80211_free_node(data->ni);
5608 data->ni = NULL;
5609 }
5610 }
5611
5612 ring->data_queued = 0;
5613 ring->data_cur = 0;
5614 ring->data_next = 0;
5615 }
5616
5617 /*
5618 * rt2860_free_tx_ring
5619 */
5620 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5621 struct rt2860_softc_tx_ring *ring)
5622 {
5623 struct rt2860_softc_tx_data *data;
5624 int i;
5625
5626 if (ring->desc != NULL)
5627 {
5628 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5629 BUS_DMASYNC_POSTWRITE);
5630 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5631 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5632 ring->desc_dma_map);
5633 }
5634
5635 if (ring->desc_dma_tag != NULL)
5636 bus_dma_tag_destroy(ring->desc_dma_tag);
5637
5638 if (ring->seg0 != NULL)
5639 {
5640 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5641 BUS_DMASYNC_POSTWRITE);
5642 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5643 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5644 ring->seg0_dma_map);
5645 }
5646
5647 if (ring->seg0_dma_tag != NULL)
5648 bus_dma_tag_destroy(ring->seg0_dma_tag);
5649
5650 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5651 {
5652 data = &ring->data[i];
5653
5654 if (data->m != NULL)
5655 {
5656 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5657 BUS_DMASYNC_POSTWRITE);
5658 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5659 m_freem(data->m);
5660 }
5661
5662 if (data->ni != NULL)
5663 ieee80211_free_node(data->ni);
5664
5665 if (data->dma_map != NULL)
5666 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5667 }
5668
5669 if (ring->data_dma_tag != NULL)
5670 bus_dma_tag_destroy(ring->data_dma_tag);
5671 }
5672
5673 /*
5674 * rt2860_dma_map_addr
5675 */
5676 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5677 int nseg, int error)
5678 {
5679 if (error != 0)
5680 return;
5681
5682 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5683
5684 *(bus_addr_t *) arg = segs[0].ds_addr;
5685 }
5686
5687 /*
5688 * rt2860_sysctl_attach
5689 */
5690 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5691 {
5692 struct sysctl_ctx_list *ctx;
5693 struct sysctl_oid *tree;
5694 struct sysctl_oid *stats;
5695
5696 ctx = device_get_sysctl_ctx(sc->dev);
5697 tree = device_get_sysctl_tree(sc->dev);
5698
5699 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5700 "stats", CTLFLAG_RD, 0, "statistic");
5701
5702 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5703 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5704 "all interrupts");
5705
5706 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5707 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5708 "Tx coherent interrupts");
5709
5710 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5711 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5712 "Rx coherent interrupts");
5713
5714 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5715 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5716 "Tx/Rx coherent interrupts");
5717
5718 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5719 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5720 "FIFO statistic full interrupts");
5721
5722 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5723 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5724 "Rx interrupts");
5725
5726 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5727 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5728 "Rx delay interrupts");
5729
5730 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5731 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5732 "Tx MGMT interrupts");
5733
5734 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5735 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5736 "Tx HCCA interrupts");
5737
5738 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5739 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5740 "Tx AC3 interrupts");
5741
5742 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5743 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5744 "Tx AC2 interrupts");
5745
5746 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5747 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5748 "Tx AC1 interrupts");
5749
5750 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5751 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5752 "Tx AC0 interrupts");
5753
5754 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5755 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5756 "Tx delay interrupts");
5757
5758 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5759 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5760 "Pre-TBTT interrupts");
5761
5762 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5763 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5764 "TBTT interrupts");
5765
5766 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5767 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5768 "MCU command interrupts");
5769
5770 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5771 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5772 "auto wakeup interrupts");
5773
5774 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5775 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5776 "GP timer interrupts");
5777
5778 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5779 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5780 "Tx MGMT descriptors queued");
5781
5782 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5783 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5784 "Tx MGMT data queued");
5785
5786 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5787 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5788 "Tx HCCA descriptors queued");
5789
5790 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5791 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5792 "Tx HCCA data queued");
5793
5794 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5795 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5796 "Tx AC3 descriptors queued");
5797
5798 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5799 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5800 "Tx AC3 data queued");
5801
5802 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5803 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5804 "Tx AC2 descriptors queued");
5805
5806 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5807 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5808 "Tx AC2 data queued");
5809
5810 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5811 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5812 "Tx AC1 descriptors queued");
5813
5814 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5815 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5816 "Tx AC1 data queued");
5817
5818 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5819 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5820 "Tx AC0 descriptors queued");
5821
5822 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5823 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5824 "Tx AC0 data queued");
5825
5826 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5827 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5828 "Tx MGMT data queue full");
5829
5830 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5831 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5832 "Tx HCCA data queue full");
5833
5834 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5835 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5836 "Tx AC3 data queue full");
5837
5838 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5839 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5840 "Tx AC2 data queue full");
5841
5842 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5843 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5844 "Tx AC1 data queue full");
5845
5846 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5847 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5848 "Tx AC0 data queue full");
5849
5850 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5851 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5852 "Tx watchdog timeouts");
5853
5854 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5855 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
5856 "Tx defragmented packets");
5857
5858 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5859 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
5860 "no Tx descriptors available");
5861
5862 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5863 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5864 "Rx mbuf allocation errors");
5865
5866 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5867 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
5868 "Rx mbuf DMA mapping errors");
5869
5870 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5871 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5872 "Tx queue 0 not empty");
5873
5874 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5875 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5876 "Tx queue 1 not empty");
5877
5878 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5879 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5880 "Tx beacons");
5881
5882 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5883 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5884 "Tx successfull without retries");
5885
5886 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5887 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5888 "Tx successfull with retries");
5889
5890 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5891 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5892 "Tx failed");
5893
5894 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5895 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5896 "Tx underflows");
5897
5898 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5899 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5900 "Tx zero length");
5901
5902 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5903 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5904 "Tx non-aggregated");
5905
5906 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5907 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5908 "Tx aggregated");
5909
5910 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5911 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5912 "Tx A-MPDU");
5913
5914 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5915 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5916 "Tx MPDU with zero density");
5917
5918 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5919 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5920 "Rx packets");
5921
5922 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5923 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5924 "Rx A-MPDU");
5925
5926 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5927 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
5928 "Rx MPDU with zero density");
5929
5930 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5931 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5932 "Rx A-MSDU");
5933
5934 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5935 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5936 "Rx CRC errors");
5937
5938 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5939 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5940 "Rx PHY errors");
5941
5942 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5943 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5944 "Rx false CCAs");
5945
5946 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5947 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5948 "Rx PLCP errors");
5949
5950 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5951 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5952 "Rx duplicate packets");
5953
5954 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5955 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5956 "Rx FIFO overflows");
5957 }
5958
5959 static device_method_t rt2860_dev_methods[] =
5960 {
5961 DEVMETHOD(device_probe, rt2860_probe),
5962 DEVMETHOD(device_attach, rt2860_attach),
5963 DEVMETHOD(device_detach, rt2860_detach),
5964 DEVMETHOD(device_shutdown, rt2860_shutdown),
5965 DEVMETHOD(device_suspend, rt2860_suspend),
5966 DEVMETHOD(device_resume, rt2860_resume),
5967 { 0, 0 }
5968 };
5969
5970 static driver_t rt2860_driver =
5971 {
5972 "rt2860",
5973 rt2860_dev_methods,
5974 sizeof(struct rt2860_softc)
5975 };
5976
5977 static devclass_t rt2860_dev_class;
5978
5979 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
5980
5981 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
5982 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860