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Disable RTS threshold when A-MSDU Tx is enabled
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blobc03eb8a19626fba5856f87db79858b8f68d5e292
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_MM40_PROT_CFG, 0x03f44084 },
326 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
327 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
328 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
329 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
330 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
331 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
332 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
333 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
334 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
335 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
336 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
337 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
338 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
339 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
340 };
341
342 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
343
344 static const struct
345 {
346 uint8_t reg;
347 uint8_t val;
348 } rt2860_def_bbp[] =
349 {
350 { 65, 0x2c },
351 { 66, 0x38 },
352 { 69, 0x12 },
353 { 70, 0x0a },
354 { 73, 0x10 },
355 { 81, 0x37 },
356 { 82, 0x62 },
357 { 83, 0x6a },
358 { 84, 0x99 },
359 { 86, 0x00 },
360 { 91, 0x04 },
361 { 92, 0x00 },
362 { 103, 0x00 },
363 { 105, 0x05 },
364 { 106, 0x35 },
365 };
366
367 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
368
369 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
370
371 #ifdef RT2860_DEBUG
372 static int rt2860_debug = 0;
373 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
374 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
375 #endif
376
377 /*
378 * rt2860_probe
379 */
380 static int rt2860_probe(device_t dev)
381 {
382 const struct rt2860_pci_ident *ident;
383
384 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
385 {
386 if (pci_get_vendor(dev) == ident->vendor &&
387 pci_get_device(dev) == ident->device)
388 {
389 device_set_desc(dev, ident->name);
390 return 0;
391 }
392 }
393
394 return ENXIO;
395 }
396
397 /*
398 * rt2860_attach
399 */
400 static int rt2860_attach(device_t dev)
401 {
402 struct rt2860_softc *sc;
403 struct ifnet *ifp;
404 struct ieee80211com *ic;
405 int error, ntries, i;
406
407 sc = device_get_softc(dev);
408
409 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
410 {
411 printf("%s: chip is in D%d power mode, setting to D0\n",
412 device_get_nameunit(dev), pci_get_powerstate(dev));
413 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
414 }
415
416 /* enable bus-mastering */
417
418 pci_enable_busmaster(dev);
419
420 sc->dev = dev;
421
422 mtx_init(&sc->lock, device_get_nameunit(dev),
423 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
424
425 sc->mem_rid = PCIR_BAR(0);
426 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
427 &sc->mem_rid, RF_ACTIVE);
428 if (sc->mem == NULL)
429 {
430 printf("%s: could not allocate memory resource\n",
431 device_get_nameunit(dev));
432 error = ENXIO;
433 goto fail;
434 }
435
436 sc->bst = rman_get_bustag(sc->mem);
437 sc->bsh = rman_get_bushandle(sc->mem);
438
439 sc->irq_rid = 0;
440 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
441 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
442 if (sc->irq == NULL)
443 {
444 printf("%s: could not allocate interrupt resource\n",
445 device_get_nameunit(dev));
446 error = ENXIO;
447 goto fail;
448 }
449
450 #ifdef RT2860_DEBUG
451 sc->debug = rt2860_debug;
452
453 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
454 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
455 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
456 #endif
457
458 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
459 "%s: attaching\n",
460 device_get_nameunit(sc->dev));
461
462 /* wait for NIC to initialize */
463
464 for (ntries = 0; ntries < 100; ntries++)
465 {
466 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
467 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
468 break;
469
470 DELAY(10);
471 }
472
473 if (ntries == 100)
474 {
475 printf("%s: timeout waiting for NIC to initialize\n",
476 device_get_nameunit(dev));
477 error = EIO;
478 goto fail;
479 }
480
481 rt2860_read_eeprom(sc);
482
483 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
484 device_get_nameunit(sc->dev), sc->mac_rev,
485 rt2860_rf_name(sc->rf_rev));
486
487 /* allocate Tx and Rx rings */
488
489 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
490 {
491 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
492 if (error != 0)
493 {
494 printf("%s: could not allocate Tx ring #%d\n",
495 device_get_nameunit(sc->dev), i);
496 goto fail;
497 }
498 }
499
500 sc->tx_ring_mgtqid = 5;
501
502 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
503 if (error != 0)
504 {
505 printf("%s: could not allocate Rx ring\n",
506 device_get_nameunit(sc->dev));
507 goto fail;
508 }
509
510 callout_init(&sc->periodic_ch, 0);
511 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
512
513 ifp = sc->ifp = if_alloc(IFT_ETHER);
514 if (ifp == NULL)
515 {
516 printf("%s: could not if_alloc()\n",
517 device_get_nameunit(sc->dev));
518 error = ENOMEM;
519 goto fail;
520 }
521
522 ifp->if_softc = sc;
523
524 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
525
526 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
527
528 ifp->if_init = rt2860_init;
529 ifp->if_ioctl = rt2860_ioctl;
530 ifp->if_start = rt2860_start;
531
532 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
533 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
534 IFQ_SET_READY(&ifp->if_snd);
535
536 ic = &sc->ic;
537
538 ic->ic_ifp = ifp;
539
540 ic->ic_phytype = IEEE80211_T_HT;
541 ic->ic_opmode = IEEE80211_M_STA;
542 ic->ic_state = IEEE80211_S_INIT;
543
544 ic->ic_caps = IEEE80211_C_MONITOR |
545 IEEE80211_C_IBSS |
546 IEEE80211_C_AHDEMO |
547 IEEE80211_C_HOSTAP |
548 IEEE80211_C_WDS |
549 /* IEEE80211_C_BGSCAN | */
550 IEEE80211_C_TXPMGT |
551 IEEE80211_C_SHPREAMBLE |
552 IEEE80211_C_SHSLOT |
553 IEEE80211_C_TXFRAG |
554 IEEE80211_C_BURST |
555 IEEE80211_C_WME |
556 IEEE80211_C_WEP |
557 IEEE80211_C_TKIP |
558 IEEE80211_C_AES_CCM |
559 IEEE80211_C_WPA;
560
561 ic->ic_htcaps = IEEE80211_HTC_HT |
562 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
563 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
564 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
565 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
566 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
567 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
568 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
569 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
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 rt2860_rf_set_chan(sc, ni->ni_chan);
1895
1896 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1897 {
1898 rt2860_asic_enable_mrr(sc);
1899 rt2860_asic_set_txpreamble(sc);
1900 rt2860_asic_set_basicrates(sc);
1901 rt2860_asic_update_txpower(sc);
1902 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1903 }
1904
1905 if (ic->ic_opmode == IEEE80211_M_STA)
1906 rt2860_newassoc(ni, 1);
1907
1908 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1909 ic->ic_opmode == IEEE80211_M_IBSS)
1910 {
1911 error = rt2860_asic_update_beacon(sc);
1912 if (error != 0)
1913 break;
1914 }
1915
1916 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1917 rt2860_asic_enable_tsf_sync(sc);
1918
1919 /* turn link LED on */
1920
1921 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1922 {
1923 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1924 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1925 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1926 }
1927 break;
1928
1929 default:
1930 break;
1931 }
1932
1933 RT2860_SOFTC_UNLOCK(sc);
1934
1935 return error;
1936 }
1937
1938 /*
1939 * rt2860_scan_start
1940 */
1941 static void rt2860_scan_start(struct ieee80211com *ic)
1942 {
1943 struct rt2860_softc *sc;
1944 struct ifnet *ifp;
1945
1946 ifp = ic->ic_ifp;
1947 sc = ifp->if_softc;
1948
1949 rt2860_asic_disable_tsf_sync(sc);
1950 }
1951
1952 /*
1953 * rt2860_scan_end
1954 */
1955 static void rt2860_scan_end(struct ieee80211com *ic)
1956 {
1957 struct rt2860_softc *sc;
1958 struct ifnet *ifp;
1959
1960 ifp = ic->ic_ifp;
1961 sc = ifp->if_softc;
1962
1963 rt2860_asic_enable_tsf_sync(sc);
1964 }
1965
1966 /*
1967 * rt2860_set_channel
1968 */
1969 static void rt2860_set_channel(struct ieee80211com *ic)
1970 {
1971 struct rt2860_softc *sc;
1972 struct ifnet *ifp;
1973
1974 ifp = ic->ic_ifp;
1975 sc = ifp->if_softc;
1976
1977 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
1978 "%s: set channel: channel=%u, HT%s%s\n",
1979 device_get_nameunit(sc->dev),
1980 ieee80211_chan2ieee(ic, ic->ic_curchan),
1981 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
1982 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
1983 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
1984 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
1985
1986 RT2860_SOFTC_LOCK(sc);
1987
1988 rt2860_rf_set_chan(sc, ic->ic_curchan);
1989
1990 RT2860_SOFTC_UNLOCK(sc);
1991 }
1992
1993 /*
1994 * rt2860_newassoc
1995 */
1996 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
1997 {
1998 struct rt2860_softc *sc;
1999 struct ieee80211com *ic;
2000 struct ifnet *ifp;
2001 uint16_t associd;
2002 uint8_t wcid;
2003
2004 ic = ni->ni_ic;
2005 ifp = ic->ic_ifp;
2006 sc = ifp->if_softc;
2007
2008 associd = (ni != NULL) ? ni->ni_associd : 0;
2009 wcid = RT2860_AID2WCID(associd);
2010
2011 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2012 "%s: new association: wcid=0x%02x, "
2013 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2014 device_get_nameunit(sc->dev), wcid,
2015 ether_sprintf(ni->ni_macaddr),
2016 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2017 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2018 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2019
2020 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2021 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2022
2023 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2024
2025 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2026 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2027 device_get_nameunit(sc->dev),
2028 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2029 ni->ni_associd,
2030 (ni->ni_flags & IEEE80211_NODE_HT) ?
2031 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2032 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2033 (ni->ni_flags & IEEE80211_NODE_HT) ?
2034 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2035 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2036
2037 rt2860_asic_updateprot(sc);
2038 rt2860_asic_updateslot(sc);
2039 rt2860_asic_set_txpreamble(sc);
2040 }
2041
2042 /*
2043 * rt2860_updateslot
2044 */
2045 static void rt2860_updateslot(struct ifnet *ifp)
2046 {
2047 struct rt2860_softc *sc;
2048
2049 sc = ifp->if_softc;
2050
2051 rt2860_asic_updateslot(sc);
2052 }
2053
2054 /*
2055 * rt2860_wme_update
2056 */
2057 static int rt2860_wme_update(struct ieee80211com *ic)
2058 {
2059 struct rt2860_softc *sc;
2060 struct ifnet *ifp;
2061
2062 ifp = ic->ic_ifp;
2063 sc = ifp->if_softc;
2064
2065 rt2860_asic_wme_update(sc);
2066
2067 return 0;
2068 }
2069
2070 /*
2071 * rt2860_update_beacon
2072 */
2073 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2074 {
2075 struct rt2860_softc *sc;
2076 struct ifnet *ifp;
2077
2078 ifp = ic->ic_ifp;
2079 sc = ifp->if_softc;
2080
2081 rt2860_asic_update_beacon(sc);
2082 }
2083
2084 /*
2085 * rt2860_key_update_begin
2086 */
2087 static void rt2860_key_update_begin(struct ieee80211com *ic)
2088 {
2089 struct rt2860_softc *sc;
2090 struct ifnet *ifp;
2091
2092 ifp = ic->ic_ifp;
2093 sc = ifp->if_softc;
2094
2095 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2096 "%s: key update begin\n",
2097 device_get_nameunit(sc->dev));
2098
2099 taskqueue_block(sc->taskqueue);
2100
2101 IF_LOCK(&ifp->if_snd);
2102 }
2103
2104 /*
2105 * rt2860_key_update_end
2106 */
2107 static void rt2860_key_update_end(struct ieee80211com *ic)
2108 {
2109 struct rt2860_softc *sc;
2110 struct ifnet *ifp;
2111
2112 ifp = ic->ic_ifp;
2113 sc = ifp->if_softc;
2114
2115 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2116 "%s: key update end\n",
2117 device_get_nameunit(sc->dev));
2118
2119 IF_UNLOCK(&ifp->if_snd);
2120
2121 taskqueue_unblock(sc->taskqueue);
2122 }
2123
2124 /*
2125 * rt2860_key_set
2126 */
2127 static int rt2860_key_set(struct ieee80211com *ic,
2128 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2129 {
2130 struct rt2860_softc *sc;
2131 struct ifnet *ifp;
2132 struct ieee80211_node *ni;
2133 uint16_t associd, key_base, keymode_base;
2134 uint8_t mode, vapid, wcid, iv[8];
2135 uint32_t tmp;
2136
2137 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2138 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2139 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2140 return EINVAL;
2141
2142 ifp = ic->ic_ifp;
2143 sc = ifp->if_softc;
2144
2145 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2146 ni = ic->ic_bss;
2147 else
2148 ni = ieee80211_find_node(&ic->ic_sta, mac);
2149
2150 associd = (ni != NULL) ? ni->ni_associd : 0;
2151
2152 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2153 ieee80211_free_node(ni);
2154
2155 switch (k->wk_cipher->ic_cipher)
2156 {
2157 case IEEE80211_CIPHER_WEP:
2158 if(k->wk_keylen < 8)
2159 mode = RT2860_REG_CIPHER_MODE_WEP40;
2160 else
2161 mode = RT2860_REG_CIPHER_MODE_WEP104;
2162 break;
2163
2164 case IEEE80211_CIPHER_TKIP:
2165 mode = RT2860_REG_CIPHER_MODE_TKIP;
2166 break;
2167
2168 case IEEE80211_CIPHER_AES_CCM:
2169 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2170 break;
2171
2172 default:
2173 return EINVAL;
2174 }
2175
2176 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2177 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2178 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2179 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2180
2181 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2182 {
2183 /* install pairwise key */
2184
2185 vapid = 0;
2186 wcid = RT2860_AID2WCID(associd);
2187 key_base = RT2860_REG_PKEY(wcid);
2188
2189 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2190 {
2191 memset(iv, 0, 8);
2192
2193 iv[3] = (k->wk_keyix << 6);
2194 }
2195 else
2196 {
2197 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2198 {
2199 iv[0] = (k->wk_keytsc >> 8);
2200 iv[1] = ((iv[0] | 0x20) & 0x7f);
2201 iv[2] = k->wk_keytsc;
2202 }
2203 else
2204 {
2205 /* AES CCMP */
2206
2207 iv[0] = k->wk_keytsc;
2208 iv[1] = k->wk_keytsc >> 8;
2209 iv[2] = 0;
2210 }
2211
2212 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2213 iv[4] = (k->wk_keytsc >> 16);
2214 iv[5] = (k->wk_keytsc >> 24);
2215 iv[6] = (k->wk_keytsc >> 32);
2216 iv[7] = (k->wk_keytsc >> 40);
2217
2218 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2219 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2220 device_get_nameunit(sc->dev),
2221 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2222 }
2223
2224 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2225
2226 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2227 {
2228 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2229
2230 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2231 {
2232 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2233 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2234 }
2235 else
2236 {
2237 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2238 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2239 }
2240 }
2241 else
2242 {
2243 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2244 }
2245
2246 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2247 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2248
2249 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2250 }
2251
2252 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2253 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2254 {
2255 /* install group key */
2256
2257 vapid = 0;
2258 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2259 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2260
2261 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2262 {
2263 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2264
2265 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2266 {
2267 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2268 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2269 }
2270 else
2271 {
2272 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2273 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2274 }
2275 }
2276 else
2277 {
2278 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2279 }
2280
2281 tmp = rt2860_io_mac_read(sc, keymode_base);
2282
2283 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2284 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2285
2286 rt2860_io_mac_write(sc, keymode_base, tmp);
2287 }
2288
2289 return 1;
2290 }
2291
2292 /*
2293 * rt2860_key_delete
2294 */
2295 static int rt2860_key_delete(struct ieee80211com *ic,
2296 const struct ieee80211_key *k)
2297 {
2298 struct rt2860_softc *sc;
2299 struct ieee80211_node *ni;
2300 uint16_t associd;
2301 uint8_t vapid, wcid;
2302 uint32_t tmp;
2303
2304 sc = ic->ic_ifp->if_softc;
2305 ni = ic->ic_bss;
2306 associd = (ni != NULL) ? ni->ni_associd : 0;
2307
2308 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2309 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2310 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2311 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2312
2313 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2314 {
2315 /* remove pairwise key */
2316
2317 vapid = 0;
2318 wcid = RT2860_AID2WCID(associd);
2319
2320 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2321 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2322
2323 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2324 }
2325 else
2326 {
2327 /* remove group key */
2328
2329 vapid = 0;
2330
2331 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2332
2333 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2334 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2335
2336 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2337 }
2338
2339 return 1;
2340 }
2341
2342 /*
2343 * rt2860_raw_xmit
2344 */
2345 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2346 const struct ieee80211_bpf_params *params)
2347 {
2348 return 0;
2349 }
2350
2351 /*
2352 * rt2860_media_change
2353 */
2354 static int rt2860_media_change(struct ifnet *ifp)
2355 {
2356 struct rt2860_softc *sc;
2357 int error;
2358
2359 sc = ifp->if_softc;
2360
2361 error = ieee80211_media_change(ifp);
2362 if (error != ENETRESET)
2363 return error;
2364
2365 RT2860_SOFTC_LOCK(sc);
2366
2367 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2368 {
2369 rt2860_stop_locked(sc);
2370 rt2860_init_locked(sc);
2371 }
2372
2373 RT2860_SOFTC_UNLOCK(sc);
2374
2375 return 0;
2376 }
2377
2378 /*
2379 * rt2860_node_alloc
2380 */
2381 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211_node_table *nt)
2382 {
2383 return malloc(sizeof(struct rt2860_softc_node),
2384 M_80211_NODE, M_NOWAIT | M_ZERO);
2385 }
2386
2387 /*
2388 * rt2860_recv_action
2389 */
2390 static void rt2860_recv_action(struct ieee80211_node *ni,
2391 const uint8_t *frm, const uint8_t *efrm)
2392 {
2393 struct rt2860_softc *sc;
2394 struct ieee80211com *ic;
2395 struct ifnet *ifp;
2396 const struct ieee80211_action *ia;
2397 uint16_t associd, status, baparamset;
2398 uint8_t wcid;
2399 int tid, bufsize;
2400 uint32_t tmp;
2401
2402 ic = ni->ni_ic;
2403 ifp = ic->ic_ifp;
2404 sc = ifp->if_softc;
2405
2406 ia = (const struct ieee80211_action *) frm;
2407
2408 sc->recv_action(ni, frm, efrm);
2409
2410 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2411 return;
2412
2413 associd = (ni != NULL) ? ni->ni_associd : 0;
2414 wcid = RT2860_AID2WCID(associd);
2415
2416 switch (ia->ia_action)
2417 {
2418 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2419 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2420 baparamset = LE_READ_2(frm + 3);
2421 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2422 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2423
2424 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2425 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2426 device_get_nameunit(sc->dev), associd, tid, bufsize);
2427
2428 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2429
2430 tmp |= (0x10000 << tid);
2431
2432 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2433 break;
2434
2435 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2436 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2437 status = LE_READ_2(frm + 3);
2438 baparamset = LE_READ_2(frm + 4);
2439 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2440 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2441
2442 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2443 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2444 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2445
2446 if (status == IEEE80211_STATUS_SUCCESS)
2447 {
2448 sc->tx_ampdu_sessions++;
2449
2450 rt2860_asic_updateprot(sc);
2451 }
2452 break;
2453
2454 /* IEEE80211_ACTION_BA_DELBA */
2455 case IEEE80211_ACTION_BA_DELBA:
2456 baparamset = LE_READ_2(frm + 2);
2457 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2458
2459 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2460 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2461 device_get_nameunit(sc->dev), associd, tid);
2462
2463 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2464
2465 tmp &= ~(0x10000 << tid);
2466
2467 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2468 break;
2469 }
2470 }
2471
2472 /*
2473 * rt2860_send_action
2474 */
2475 static int rt2860_send_action(struct ieee80211_node *ni,
2476 int category, int action, uint16_t args[4])
2477 {
2478 struct rt2860_softc *sc;
2479 struct ieee80211com *ic;
2480 struct ifnet *ifp;
2481 uint16_t associd, baparamset;
2482 uint8_t wcid;
2483 int ret, tid;
2484 uint32_t tmp;
2485
2486 ic = ni->ni_ic;
2487 ifp = ic->ic_ifp;
2488 sc = ifp->if_softc;
2489
2490 ret = sc->send_action(ni, category, action, args);
2491
2492 if (category != IEEE80211_ACTION_CAT_BA)
2493 return ret;
2494
2495 associd = (ni != NULL) ? ni->ni_associd : 0;
2496 wcid = RT2860_AID2WCID(associd);
2497
2498 switch (action)
2499 {
2500 /* IEEE80211_ACTION_BA_DELBA */
2501 case IEEE80211_ACTION_BA_DELBA:
2502 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2503
2504 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2505
2506 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2507 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2508 device_get_nameunit(sc->dev), associd, tid);
2509
2510 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2511 {
2512 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2513
2514 tmp &= ~(0x10000 << tid);
2515
2516 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2517 }
2518 else
2519 {
2520 sc->tx_ampdu_sessions--;
2521
2522 rt2860_asic_updateprot(sc);
2523 }
2524 break;
2525 }
2526
2527 return ret;
2528 }
2529
2530 /*
2531 * rt2860_amrr_update_iter_func
2532 */
2533 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2534 {
2535 struct rt2860_softc *sc;
2536 struct ieee80211com *ic;
2537 uint8_t wcid;
2538
2539 sc = arg;
2540 ic = &sc->ic;
2541
2542 /* only associated stations */
2543
2544 if (ni->ni_associd != 0)
2545 {
2546 wcid = RT2860_AID2WCID(ni->ni_associd);
2547
2548 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2549 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2550 device_get_nameunit(sc->dev),
2551 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2552
2553 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2554
2555 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2556 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2557 device_get_nameunit(sc->dev),
2558 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2559 ni->ni_associd,
2560 (ni->ni_flags & IEEE80211_NODE_HT) ?
2561 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2562 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2563 (ni->ni_flags & IEEE80211_NODE_HT) ?
2564 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2565 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2566 }
2567 }
2568
2569 /*
2570 * rt2860_periodic
2571 */
2572 static void rt2860_periodic(void *arg)
2573 {
2574 struct rt2860_softc *sc;
2575
2576 sc = arg;
2577
2578 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2579 "%s: periodic\n",
2580 device_get_nameunit(sc->dev));
2581
2582 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2583 }
2584
2585 /*
2586 * rt2860_tx_watchdog
2587 */
2588 static void rt2860_tx_watchdog(void *arg)
2589 {
2590 struct rt2860_softc *sc;
2591 struct ifnet *ifp;
2592
2593 sc = arg;
2594 ifp = sc->ifp;
2595
2596 if (sc->tx_timer == 0)
2597 return;
2598
2599 if (--sc->tx_timer == 0)
2600 {
2601 printf("%s: Tx watchdog timeout: resetting\n",
2602 device_get_nameunit(sc->dev));
2603
2604 rt2860_stop_locked(sc);
2605 rt2860_init_locked(sc);
2606
2607 ifp->if_oerrors++;
2608
2609 sc->tx_watchdog_timeouts++;
2610 }
2611
2612 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2613 }
2614
2615 /*
2616 * rt2860_asic_set_bssid
2617 */
2618 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2619 const uint8_t *bssid)
2620 {
2621 uint32_t tmp;
2622
2623 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2624 "%s: set bssid: bssid=%s\n",
2625 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2626
2627 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2628
2629 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2630
2631 tmp = bssid[4] | (bssid[5] << 8);
2632
2633 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2634 }
2635
2636 /*
2637 * rt2860_asic_set_macaddr
2638 */
2639 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2640 const uint8_t *addr)
2641 {
2642 uint32_t tmp;
2643
2644 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2645
2646 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2647
2648 tmp = addr[4] | (addr[5] << 8);
2649
2650 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2651 }
2652
2653 /*
2654 * rt2860_asic_enable_tsf_sync
2655 */
2656 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2657 {
2658 struct ieee80211com *ic;
2659 uint32_t tmp;
2660
2661 ic = &sc->ic;
2662
2663 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2664 "%s: enabling TSF\n",
2665 device_get_nameunit(sc->dev));
2666
2667 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2668
2669 tmp &= ~0x1fffff;
2670 tmp |= ic->ic_bss->ni_intval * 16;
2671 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2672
2673 if (ic->ic_opmode == IEEE80211_M_STA)
2674 {
2675 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2676 }
2677 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2678 {
2679 tmp |= RT2860_REG_BCN_TX_ENABLE;
2680 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2681 }
2682 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2683 {
2684 tmp |= RT2860_REG_BCN_TX_ENABLE;
2685 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2686 }
2687
2688 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2689 }
2690
2691 /*
2692 * rt2860_asic_disable_tsf_sync
2693 */
2694 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2695 {
2696 uint32_t tmp;
2697
2698 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2699 "%s: disabling TSF\n",
2700 device_get_nameunit(sc->dev));
2701
2702 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2703
2704 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2705 RT2860_REG_TSF_TIMER_ENABLE |
2706 RT2860_REG_TBTT_TIMER_ENABLE);
2707
2708 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2709 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2710
2711 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2712 }
2713
2714 /*
2715 * rt2860_asic_enable_mrr
2716 */
2717 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2718 {
2719 #define CCK(mcs) (mcs)
2720 #define OFDM(mcs) ((1 << 3) | (mcs))
2721 #define HT(mcs) (mcs)
2722
2723 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2724 (OFDM(6) << 28) | /* 54 -> 48 */
2725 (OFDM(5) << 24) | /* 48 -> 36 */
2726 (OFDM(4) << 20) | /* 36 -> 24 */
2727 (OFDM(3) << 16) | /* 24 -> 18 */
2728 (OFDM(2) << 12) | /* 18 -> 12 */
2729 (OFDM(1) << 8) | /* 12 -> 9 */
2730 (OFDM(0) << 4) | /* 9 -> 6 */
2731 OFDM(0)); /* 6 -> 6 */
2732
2733 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2734 (CCK(2) << 12) | /* 11 -> 5.5 */
2735 (CCK(1) << 8) | /* 5.5 -> 2 */
2736 (CCK(0) << 4) | /* 2 -> 1 */
2737 CCK(0)); /* 1 -> 1 */
2738
2739 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2740 (HT(6) << 28) |
2741 (HT(5) << 24) |
2742 (HT(4) << 20) |
2743 (HT(3) << 16) |
2744 (HT(2) << 12) |
2745 (HT(1) << 8) |
2746 (HT(0) << 4) |
2747 HT(0));
2748
2749 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2750 (HT(14) << 28) |
2751 (HT(13) << 24) |
2752 (HT(12) << 20) |
2753 (HT(11) << 16) |
2754 (HT(10) << 12) |
2755 (HT(9) << 8) |
2756 (HT(8) << 4) |
2757 HT(7));
2758
2759 #undef HT
2760 #undef OFDM
2761 #undef CCK
2762 }
2763
2764 /*
2765 * rt2860_asic_set_txpreamble
2766 */
2767 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2768 {
2769 struct ieee80211com *ic;
2770 uint32_t tmp;
2771
2772 ic = &sc->ic;
2773
2774 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2775 "%s: %s short Tx preamble\n",
2776 device_get_nameunit(sc->dev),
2777 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2778
2779 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2780
2781 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2782
2783 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2784 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2785
2786 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2787 }
2788
2789 /*
2790 * rt2860_asic_set_basicrates
2791 */
2792 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2793 {
2794 struct ieee80211com *ic;
2795
2796 ic = &sc->ic;
2797
2798 if (ic->ic_curmode == IEEE80211_MODE_11B)
2799 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2800 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2801 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2802 else
2803 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2804 }
2805
2806 /*
2807 * rt2860_asic_update_rtsthreshold
2808 */
2809 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2810 {
2811 struct ieee80211com *ic;
2812 uint32_t tmp;
2813 uint16_t threshold;
2814
2815 ic = &sc->ic;
2816
2817 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2818 "%s: updating RTS threshold: %d\n",
2819 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2820
2821 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2822
2823 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2824
2825 if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_TX)
2826 threshold = 0x1000;
2827 else
2828 threshold = ic->ic_rtsthreshold;
2829
2830
2831 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2832 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2833
2834 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2835 }
2836
2837 /*
2838 * rt2860_asic_update_txpower
2839 */
2840 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2841 {
2842 struct ieee80211com *ic;
2843 uint32_t *txpow_rate;
2844 int8_t delta;
2845 uint8_t val;
2846 uint32_t tmp;
2847 int i;
2848
2849 ic = &sc->ic;
2850
2851 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2852 "%s: updating Tx power: %d\n",
2853 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
2854
2855 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
2856 {
2857 txpow_rate = sc->txpow_rate_20mhz;
2858 }
2859 else
2860 {
2861 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
2862 txpow_rate = sc->txpow_rate_40mhz_2ghz;
2863 else
2864 txpow_rate = sc->txpow_rate_40mhz_5ghz;
2865 }
2866
2867 delta = 0;
2868
2869 val = rt2860_io_bbp_read(sc, 1);
2870 val &= 0xfc;
2871
2872 if (ic->ic_txpowlimit > 90)
2873 {
2874 /* do nothing */
2875 }
2876 else if (ic->ic_txpowlimit > 60)
2877 {
2878 delta -= 1;
2879 }
2880 else if (ic->ic_txpowlimit > 30)
2881 {
2882 delta -= 3;
2883 }
2884 else if (ic->ic_txpowlimit > 15)
2885 {
2886 val |= 0x1;
2887 }
2888 else if (ic->ic_txpowlimit > 9)
2889 {
2890 val |= 0x1;
2891 delta -= 3;
2892 }
2893 else
2894 {
2895 val |= 0x2;
2896 }
2897
2898 rt2860_io_bbp_write(sc, 1, val);
2899
2900 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
2901 {
2902 if (txpow_rate[i] == 0xffffffff)
2903 continue;
2904
2905 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
2906
2907 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
2908 }
2909 }
2910
2911 /*
2912 * rt2860_asic_update_promisc
2913 */
2914 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
2915 {
2916 struct ifnet *ifp;
2917 uint32_t tmp;
2918
2919 ifp = sc->ic.ic_ifp;
2920
2921 printf("%s: %s promiscuous mode\n",
2922 device_get_nameunit(sc->dev),
2923 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
2924
2925 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
2926
2927 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
2928
2929 if (!(ifp->if_flags & IFF_PROMISC))
2930 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
2931
2932 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
2933 }
2934
2935 /*
2936 * rt2860_asic_updateprot
2937 */
2938 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
2939 {
2940 struct ieee80211com *ic;
2941 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
2942 uint8_t htopmode;
2943 enum ieee80211_protmode htprotmode;
2944
2945 ic = &sc->ic;
2946
2947 /* CCK frame protection */
2948
2949 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2950 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
2951
2952 /* set up protection frame phy mode and rate (MCS code) */
2953
2954 if (ic->ic_curmode == IEEE80211_MODE_11A)
2955 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2956 (0 << RT2860_REG_PROT_MCS_SHIFT);
2957 else
2958 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2959 (3 << RT2860_REG_PROT_MCS_SHIFT));
2960
2961 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
2962
2963 /* OFDM frame protection */
2964
2965 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2966 RT2860_REG_TXOP_ALLOW_ALL;
2967
2968 if (ic->ic_flags & IEEE80211_F_USEPROT)
2969 {
2970 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2971 "%s: updating protection mode: b/g protection mode=%s\n",
2972 device_get_nameunit(sc->dev),
2973 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2974 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2975
2976 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2977 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2978 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2979 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
2980 else
2981 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2982 }
2983 else
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), "none");
2988
2989 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2990 }
2991
2992 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
2993
2994 /* HT frame protection */
2995
2996 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
2997 htopmode = ic->ic_bss->ni_htopmode;
2998 else
2999 htopmode = ic->ic_curhtprotmode;
3000
3001 htprotmode = ic->ic_htprotmode;
3002
3003 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3004
3005 if (sc->tx_ampdu_sessions > 0)
3006 {
3007 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3008 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3009 device_get_nameunit(sc->dev));
3010
3011 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3012 htprotmode = IEEE80211_PROT_RTSCTS;
3013 }
3014
3015 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3016 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3017 device_get_nameunit(sc->dev),
3018 htopmode & IEEE80211_HTINFO_OPMODE,
3019 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3020 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3021
3022 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3023 {
3024 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3025 case IEEE80211_HTINFO_OPMODE_HT20PR:
3026 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3027 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3028 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3029 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3030 (4 << RT2860_REG_PROT_MCS_SHIFT);
3031
3032 gf20_prot = mm20_prot;
3033
3034 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3035 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3036 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3037
3038 if (htprotmode == IEEE80211_PROT_RTSCTS)
3039 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3040 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3041 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3042 else
3043 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3044
3045 gf40_prot = mm40_prot;
3046 break;
3047
3048 /* IEEE80211_HTINFO_OPMODE_MIXED */
3049 case IEEE80211_HTINFO_OPMODE_MIXED:
3050 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3051 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3052 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3053
3054 if (ic->ic_flags & IEEE80211_F_USEPROT)
3055 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3056 (3 << RT2860_REG_PROT_MCS_SHIFT);
3057 else
3058 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3059 (4 << RT2860_REG_PROT_MCS_SHIFT);
3060
3061 if (htprotmode == IEEE80211_PROT_RTSCTS)
3062 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3063 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3064 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3065 else
3066 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3067
3068 gf20_prot = mm20_prot;
3069
3070 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3071
3072 if (ic->ic_flags & IEEE80211_F_USEPROT)
3073 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3074 (3 << RT2860_REG_PROT_MCS_SHIFT);
3075 else
3076 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3077 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3078
3079 if (htprotmode == IEEE80211_PROT_RTSCTS)
3080 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3081 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3082 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3083 else
3084 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3085
3086 gf40_prot = mm40_prot;
3087 break;
3088
3089 /*
3090 * IEEE80211_HTINFO_OPMODE_PURE
3091 * IEEE80211_HTINFO_OPMODE_PROTOPT
3092 */
3093 case IEEE80211_HTINFO_OPMODE_PURE:
3094 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3095 default:
3096 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3097 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3098 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3099 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3100 (4 << RT2860_REG_PROT_MCS_SHIFT);
3101
3102 gf20_prot = mm20_prot;
3103
3104 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3105 RT2860_REG_TXOP_ALLOW_ALL |
3106 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3107 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3108
3109 gf40_prot = mm40_prot;
3110 break;
3111 }
3112
3113 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3114 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3115 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3116 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3117 }
3118
3119 /*
3120 * rt2860_asic_updateslot
3121 */
3122 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3123 {
3124 struct ieee80211com *ic;
3125 uint32_t tmp;
3126
3127 ic = &sc->ic;
3128
3129 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3130 "%s: %s short slot time\n",
3131 device_get_nameunit(sc->dev),
3132 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3133
3134 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3135
3136 tmp &= ~0xff;
3137 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3138
3139 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3140 }
3141
3142 /*
3143 * rt2860_asic_wme_update
3144 */
3145 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3146 {
3147 struct ieee80211com *ic;
3148 struct ieee80211_wme_state *wme;
3149 const struct wmeParams *wmep;
3150 int i;
3151
3152 ic = &sc->ic;
3153 wme = &ic->ic_wme;
3154 wmep = wme->wme_chanParams.cap_wmeParams;
3155
3156 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3157 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3158 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3159 device_get_nameunit(sc->dev),
3160 wmep[WME_AC_VO].wmep_aifsn,
3161 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3162 wmep[WME_AC_VO].wmep_txopLimit,
3163 wmep[WME_AC_VI].wmep_aifsn,
3164 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3165 wmep[WME_AC_VI].wmep_txopLimit,
3166 wmep[WME_AC_BK].wmep_aifsn,
3167 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3168 wmep[WME_AC_BK].wmep_txopLimit,
3169 wmep[WME_AC_BE].wmep_aifsn,
3170 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3171 wmep[WME_AC_BE].wmep_txopLimit);
3172
3173 for (i = 0; i < WME_NUM_AC; i++)
3174 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3175 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3176 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3177
3178 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3179 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3180 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3181
3182 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3183 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3184 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3185
3186 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3187 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3188 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3189
3190 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3191 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3192
3193 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3194 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3195 }
3196
3197 /*
3198 * rt2860_asic_update_beacon
3199 */
3200 static int rt2860_asic_update_beacon(struct rt2860_softc *sc)
3201 {
3202 struct ieee80211com *ic;
3203 struct mbuf *m;
3204 struct rt2860_txwi txwi;
3205 uint8_t rate, mcs;
3206 uint32_t tmp;
3207
3208 ic = &sc->ic;
3209
3210 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3211 if (m == NULL)
3212 return ENOMEM;
3213
3214 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3215 mcs = rt2860_rate2mcs(rate);
3216
3217 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3218
3219 txwi.wcid = 0xff;
3220 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3221 RT2860_TXWI_MPDU_LEN_SHIFT);
3222 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3223 txwi.mpdu_density_flags |=
3224 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3225 txwi.bawin_size_xflags |=
3226 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3227
3228 if (rate == 2)
3229 {
3230 txwi.phymode_ifs_stbc_shortgi =
3231 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3232
3233 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3234 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3235 }
3236 else
3237 {
3238 txwi.phymode_ifs_stbc_shortgi =
3239 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3240 }
3241
3242 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3243 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3244
3245 /* disable temporarily TSF sync */
3246
3247 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3248
3249 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3250 RT2860_REG_TSF_TIMER_ENABLE |
3251 RT2860_REG_TBTT_TIMER_ENABLE);
3252
3253 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3254
3255 /* write Tx wireless info and beacon frame to on-chip memory */
3256
3257 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3258 &txwi, sizeof(struct rt2860_txwi));
3259
3260 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3261 mtod(m, uint8_t *), m->m_pkthdr.len);
3262
3263 /* enable again TSF sync */
3264
3265 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3266
3267 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3268 RT2860_REG_TSF_TIMER_ENABLE |
3269 RT2860_REG_TBTT_TIMER_ENABLE);
3270
3271 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3272
3273 m_freem(m);
3274
3275 return 0;
3276 }
3277
3278 /*
3279 * rt2860_asic_clear_keytables
3280 */
3281 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3282 {
3283 int i;
3284
3285 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3286
3287 for (i = 0; i < 256; i++)
3288 {
3289 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3290 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3291 }
3292
3293 /* clear WCID attribute table (entries = 256, entry size = 4) */
3294
3295 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3296
3297 /* clear IV/EIV table (entries = 256, entry size = 8) */
3298
3299 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3300
3301 /* clear pairwise key table (entries = 256, entry size = 32) */
3302
3303 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3304
3305 /* clear shared key table (entries = 32, entry size = 32) */
3306
3307 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3308
3309 /* clear shared key mode (entries = 32, entry size = 2) */
3310
3311 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3312 }
3313
3314 /*
3315 * rt2860_rxrate
3316 */
3317 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3318 {
3319 uint8_t mcs, phymode;
3320 uint8_t rate;
3321
3322 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3323 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3324 RT2860_RXWI_PHYMODE_MASK;
3325
3326 rate = 2;
3327
3328 switch (phymode)
3329 {
3330 case RT2860_RXWI_PHYMODE_CCK:
3331 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3332 {
3333 case 0: rate = 2; break; /* 1 Mbps */
3334 case 1: rate = 4; break; /* 2 MBps */
3335 case 2: rate = 11; break; /* 5.5 Mbps */
3336 case 3: rate = 22; break; /* 11 Mbps */
3337 }
3338 break;
3339
3340 case RT2860_RXWI_PHYMODE_OFDM:
3341 switch (mcs)
3342 {
3343 case 0: rate = 12; break; /* 6 Mbps */
3344 case 1: rate = 18; break; /* 9 Mbps */
3345 case 2: rate = 24; break; /* 12 Mbps */
3346 case 3: rate = 36; break; /* 18 Mbps */
3347 case 4: rate = 48; break; /* 24 Mbps */
3348 case 5: rate = 72; break; /* 36 Mbps */
3349 case 6: rate = 96; break; /* 48 Mbps */
3350 case 7: rate = 108; break; /* 54 Mbps */
3351 }
3352 break;
3353
3354 case RT2860_RXWI_PHYMODE_HT_MIXED:
3355 case RT2860_RXWI_PHYMODE_HT_GF:
3356 break;
3357 }
3358
3359 return rate;
3360 }
3361
3362 /*
3363 * rt2860_maxrssi_rxpath
3364 */
3365 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3366 const struct rt2860_rxwi *rxwi)
3367 {
3368 uint8_t rxpath;
3369
3370 rxpath = 0;
3371
3372 if (sc->nrxpath > 1)
3373 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3374 rxpath = 1;
3375
3376 if (sc->nrxpath > 2)
3377 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3378 rxpath = 2;
3379
3380 return rxpath;
3381 }
3382
3383 /*
3384 * rt2860_rssi2dbm
3385 */
3386 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3387 uint8_t rssi, uint8_t rxpath)
3388 {
3389 struct ieee80211com *ic;
3390 struct ieee80211_channel *c;
3391 int chan;
3392 int8_t rssi_off, lna_gain;
3393
3394 if (rssi == 0)
3395 return -99;
3396
3397 ic = &sc->ic;
3398 c = ic->ic_curchan;
3399 chan = ieee80211_chan2ieee(ic, c);
3400
3401 if (IEEE80211_IS_CHAN_5GHZ(c))
3402 {
3403 rssi_off = sc->rssi_off_5ghz[rxpath];
3404
3405 if (chan <= 64)
3406 lna_gain = sc->lna_gain[1];
3407 else if (chan <= 128)
3408 lna_gain = sc->lna_gain[2];
3409 else
3410 lna_gain = sc->lna_gain[3];
3411 }
3412 else
3413 {
3414 rssi_off = sc->rssi_off_2ghz[rxpath];
3415 lna_gain = sc->lna_gain[0];
3416 }
3417
3418 return (-12 - rssi_off - lna_gain - rssi);
3419 }
3420
3421 /*
3422 * rt2860_rate2mcs
3423 */
3424 static uint8_t rt2860_rate2mcs(uint8_t rate)
3425 {
3426 switch (rate)
3427 {
3428 /* CCK rates */
3429 case 2: return 0;
3430 case 4: return 1;
3431 case 11: return 2;
3432 case 22: return 3;
3433
3434 /* OFDM rates */
3435 case 12: return 0;
3436 case 18: return 1;
3437 case 24: return 2;
3438 case 36: return 3;
3439 case 48: return 4;
3440 case 72: return 5;
3441 case 96: return 6;
3442 case 108: return 7;
3443 }
3444
3445 return 0;
3446 }
3447
3448 /*
3449 * rt2860_ackrate
3450 */
3451 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3452 {
3453 switch (rate)
3454 {
3455 /* CCK rates */
3456
3457 case 2:
3458 return 2;
3459
3460 case 4:
3461 case 11:
3462 case 22:
3463 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3464
3465 /* OFDM rates */
3466
3467 case 12:
3468 case 18:
3469 return 12;
3470
3471 case 24:
3472 case 36:
3473 return 24;
3474
3475 case 48:
3476 case 72:
3477 case 96:
3478 case 108:
3479 return 48;
3480 }
3481
3482 /* default to 1Mbps */
3483 return 2;
3484 }
3485
3486 /*
3487 * rt2860_txtime
3488 */
3489 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3490 {
3491 uint16_t txtime;
3492
3493 if (RT2860_RATE_IS_OFDM(rate))
3494 {
3495 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3496 txtime = 16 + 4 + 4 * txtime + 6;
3497 }
3498 else
3499 {
3500 txtime = (16 * len + rate - 1) / rate;
3501
3502 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3503 txtime += 72 + 24;
3504 else
3505 txtime += 144 + 48;
3506 }
3507
3508 return txtime;
3509 }
3510
3511 /*
3512 * rt2860_tx_frame
3513 */
3514 static int rt2860_tx_frame(struct rt2860_softc *sc,
3515 struct mbuf *m, struct ieee80211_node *ni, int qid)
3516 {
3517 struct ieee80211com *ic;
3518 struct rt2860_softc_tx_ring *ring;
3519 struct rt2860_softc_tx_data *data;
3520 struct rt2860_txdesc *desc;
3521 struct rt2860_txwi *txwi;
3522 struct ieee80211_frame *wh;
3523 struct ieee80211_tx_ampdu *tx_ampdu;
3524 struct rt2860_softc_tx_radiotap_header *tap;
3525 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3526 u_int hdrsize, hdrspace;
3527 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
3528 uint16_t qos, len, dmalen, mpdu_len, dur;
3529 int error, hasqos, ac, ampdu, ackrate, ndmasegs, ndescs, i, j;
3530
3531 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3532 ("%s: Tx frame: invalid qid=%d\n",
3533 device_get_nameunit(sc->dev), qid));
3534
3535 ic = &sc->ic;
3536
3537 ring = &sc->tx_ring[qid];
3538 desc = &ring->desc[ring->desc_cur];
3539 data = &ring->data[ring->data_cur];
3540 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3541
3542 wh = mtod(m, struct ieee80211_frame *);
3543
3544 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3545
3546 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3547 if (hasqos)
3548 {
3549 if (IEEE80211_HAS_ADDR4(wh))
3550 qos = le16toh(*(const uint16_t *)
3551 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3552 else
3553 qos = le16toh(*(const uint16_t *)
3554 (((struct ieee80211_qosframe *) wh)->i_qos));
3555 }
3556 else
3557 {
3558 qos = 0;
3559 }
3560
3561 if (ni->ni_flags & IEEE80211_NODE_HT)
3562 {
3563 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3564 rate = 0;
3565 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3566 rate = ic->ic_fixed_rate;
3567 else
3568 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3569 }
3570 else
3571 {
3572 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3573 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3574 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3575 rate = ic->ic_fixed_rate;
3576 else
3577 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3578 }
3579
3580 rate &= IEEE80211_RATE_VAL;
3581
3582 /* fill Tx wireless info */
3583
3584 if (ni->ni_flags & IEEE80211_NODE_HT)
3585 mcs = rate;
3586 else
3587 mcs = rt2860_rate2mcs(rate);
3588
3589 pid = mcs;
3590
3591 /* management frames do not need encryption */
3592
3593 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3594 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3595
3596 /* calculate MPDU length without padding */
3597
3598 hdrsize = ieee80211_hdrsize(wh);
3599 hdrspace = ieee80211_hdrspace(ic, wh);
3600 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3601
3602 memset(txwi, 0, sizeof(struct rt2860_txwi));
3603
3604 txwi->wcid = wcid;
3605
3606 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3607 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3608 RT2860_TXWI_MPDU_LEN_SHIFT);
3609
3610 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3611
3612 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3613 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40));
3614
3615 txwi->phymode_ifs_stbc_shortgi |=
3616 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3617 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3618
3619 if (ni->ni_flags & IEEE80211_NODE_HT)
3620 {
3621 txwi->phymode_ifs_stbc_shortgi |=
3622 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3623 }
3624 else
3625 {
3626 if (!RT2860_RATE_IS_OFDM(rate))
3627 {
3628 txwi->phymode_ifs_stbc_shortgi |=
3629 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3630
3631 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3632 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3633 }
3634 else
3635 {
3636 txwi->phymode_ifs_stbc_shortgi |=
3637 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3638 }
3639 }
3640
3641 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
3642 bw = RT2860_TXWI_BW_40;
3643 else
3644 bw = RT2860_TXWI_BW_20;
3645
3646 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
3647 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3648
3649 if (type != IEEE80211_FC0_TYPE_DATA)
3650 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3651 else
3652 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3653
3654 /* skip ACKs for multicast frames and probe responses */
3655
3656 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3657 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3658 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
3659 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
3660 {
3661 txwi->bawin_size_xflags |=
3662 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3663
3664 if (ni->ni_flags & IEEE80211_NODE_HT)
3665 {
3666 /* preamble + plcp + signal extension + SIFS */
3667
3668 dur = 16 + 4 + 6 + 10;
3669 }
3670 else
3671 {
3672 ackrate = rt2860_ackrate(ic, rate);
3673
3674 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
3675 sc->sifs;
3676 }
3677
3678 *(uint16_t *) wh->i_dur = htole16(dur);
3679 }
3680
3681 /* check for A-MPDU */
3682
3683 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
3684 {
3685 ac = M_WME_GETAC(m);
3686 tx_ampdu = &ni->ni_tx_ampdu[ac];
3687
3688 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
3689 bawin_size = 13; //tx_ampdu->txa_wnd;
3690
3691 txwi->mpdu_density_flags |=
3692 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
3693 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
3694
3695 txwi->bawin_size_xflags |=
3696 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
3697
3698 if (IEEE80211_HAS_ADDR4(wh))
3699 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3700 else
3701 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3702
3703 ampdu = 1;
3704 }
3705 else
3706 {
3707 ampdu = 0;
3708 }
3709
3710 /* ask MAC to insert timestamp into probe responses */
3711
3712 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3713 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3714 txwi->mpdu_density_flags |=
3715 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3716
3717 if (bpf_peers_present(sc->drvbpf))
3718 {
3719 tap = &sc->txtap;
3720
3721 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3722 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3723 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3724 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3725 tap->chan_maxpow = 0;
3726
3727 if (ni->ni_flags & IEEE80211_NODE_HT)
3728 tap->rate = mcs | IEEE80211_RATE_MCS;
3729 else
3730 tap->rate = rate;
3731
3732 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3733 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3734
3735 if (shortgi)
3736 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3737
3738 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3739 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3740
3741 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3742 {
3743 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3744
3745 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3746
3747 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3748 }
3749 else
3750 {
3751 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3752 }
3753 }
3754
3755 /* copy and trim 802.11 header */
3756
3757 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3758 m_adj(m, hdrspace);
3759
3760 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3761 dma_seg, &ndmasegs, 0);
3762 if (error != 0)
3763 {
3764 /* too many fragments, linearize */
3765
3766 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3767 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3768 device_get_nameunit(sc->dev));
3769
3770 m = m_defrag(m, M_DONTWAIT);
3771 if (m == NULL)
3772 return ENOMEM;
3773
3774 sc->tx_defrag_packets++;
3775
3776 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3777 dma_seg, &ndmasegs, 0);
3778 if (error != 0)
3779 {
3780 printf("%s: could not load mbuf DMA map: error=%d\n",
3781 device_get_nameunit(sc->dev), error);
3782 m_freem(m);
3783 return error;
3784 }
3785 }
3786
3787 if (m->m_pkthdr.len == 0)
3788 ndmasegs = 0;
3789
3790 /* determine how many Tx descs are required */
3791
3792 ndescs = 1 + ndmasegs / 2;
3793 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3794 {
3795 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3796 "%s: there are not enough Tx descs\n",
3797 device_get_nameunit(sc->dev));
3798
3799 sc->no_tx_desc_avail++;
3800
3801 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3802 m_freem(m);
3803 return EFBIG;
3804 }
3805
3806 data->m = m;
3807 data->ni = ni;
3808
3809 /* set up Tx descs */
3810
3811 /* first segment is Tx wireless info and 802.11 header */
3812
3813 len = sizeof(struct rt2860_txwi) + hdrsize;
3814
3815 /* align end on a 4-bytes boundary */
3816
3817 dmalen = (len + 3) & ~ 3;
3818
3819 memset((caddr_t) txwi + len, 0, dmalen - len);
3820
3821 qsel = RT2860_TXDESC_QSEL_EDCA;
3822
3823 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3824 desc->sdl0 = htole16(dmalen);
3825 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3826
3827 /* set up payload segments */
3828
3829 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3830 {
3831 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3832 desc->sdl1 = htole16(dma_seg[j].ds_len);
3833
3834 ring->desc_queued++;
3835 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3836
3837 j++;
3838
3839 desc = &ring->desc[ring->desc_cur];
3840
3841 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3842 desc->sdl0 = htole16(dma_seg[j].ds_len);
3843 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3844
3845 j++;
3846 }
3847
3848 /* finalize last payload segment */
3849
3850 if (i > 0)
3851 {
3852 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3853 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3854 }
3855 else
3856 {
3857 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3858 desc->sdl1 = 0;
3859 }
3860
3861 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3862 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3863 "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",
3864 device_get_nameunit(sc->dev),
3865 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3866 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
3867 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);
3868
3869 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3870 BUS_DMASYNC_PREWRITE);
3871 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3872 BUS_DMASYNC_PREWRITE);
3873 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3874 BUS_DMASYNC_PREWRITE);
3875
3876 ring->desc_queued++;
3877 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3878
3879 ring->data_queued++;
3880 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3881
3882 /* kick Tx */
3883
3884 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3885
3886 return 0;
3887 }
3888
3889 /*
3890 * rt2860_tx_raw
3891 */
3892 static int rt2860_tx_raw(struct rt2860_softc *sc,
3893 struct mbuf *m, struct ieee80211_node *ni,
3894 const struct ieee80211_bpf_params *params)
3895 {
3896 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3897 "%s: Tx raw\n",
3898 device_get_nameunit(sc->dev));
3899
3900 return 0;
3901 }
3902
3903 /*
3904 * rt2860_intr
3905 */
3906 static void rt2860_intr(void *arg)
3907 {
3908 struct rt2860_softc *sc;
3909 struct ifnet *ifp;
3910 uint32_t status;
3911
3912 sc = arg;
3913 ifp = sc->ifp;
3914
3915 /* acknowledge interrupts */
3916
3917 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
3918 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
3919
3920 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3921 "%s: interrupt: status = 0x%08x\n",
3922 device_get_nameunit(sc->dev), status);
3923
3924 if (status == 0xffffffff || /* device likely went away */
3925 status == 0) /* not for us */
3926 return;
3927
3928 sc->interrupts++;
3929
3930 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3931 return;
3932
3933 if (status & RT2860_REG_INT_TX_COHERENT)
3934 rt2860_tx_coherent_intr(sc);
3935
3936 if (status & RT2860_REG_INT_RX_COHERENT)
3937 rt2860_rx_coherent_intr(sc);
3938
3939 if (status & RT2860_REG_INT_TXRX_COHERENT)
3940 rt2860_txrx_coherent_intr(sc);
3941
3942 if (status & RT2860_REG_INT_FIFO_STA_FULL)
3943 rt2860_fifo_sta_full_intr(sc);
3944
3945 if (status & RT2860_REG_INT_TX_MGMT_DONE)
3946 rt2860_tx_intr(sc, 5);
3947
3948 if (status & RT2860_REG_INT_RX_DONE)
3949 rt2860_rx_intr(sc);
3950
3951 if (status & RT2860_REG_INT_RX_DELAY_DONE)
3952 rt2860_rx_delay_intr(sc);
3953
3954 if (status & RT2860_REG_INT_TX_HCCA_DONE)
3955 rt2860_tx_intr(sc, 4);
3956
3957 if (status & RT2860_REG_INT_TX_AC3_DONE)
3958 rt2860_tx_intr(sc, 3);
3959
3960 if (status & RT2860_REG_INT_TX_AC2_DONE)
3961 rt2860_tx_intr(sc, 2);
3962
3963 if (status & RT2860_REG_INT_TX_AC1_DONE)
3964 rt2860_tx_intr(sc, 1);
3965
3966 if (status & RT2860_REG_INT_TX_AC0_DONE)
3967 rt2860_tx_intr(sc, 0);
3968
3969 if (status & RT2860_REG_INT_TX_DELAY_DONE)
3970 rt2860_tx_delay_intr(sc);
3971
3972 if (status & RT2860_REG_INT_PRE_TBTT)
3973 rt2860_pre_tbtt_intr(sc);
3974
3975 if (status & RT2860_REG_INT_TBTT)
3976 rt2860_tbtt_intr(sc);
3977
3978 if (status & RT2860_REG_INT_MCU_CMD)
3979 rt2860_mcu_cmd_intr(sc);
3980
3981 if (status & RT2860_REG_INT_AUTO_WAKEUP)
3982 rt2860_auto_wakeup_intr(sc);
3983
3984 if (status & RT2860_REG_INT_GP_TIMER)
3985 rt2860_gp_timer_intr(sc);
3986 }
3987
3988 /*
3989 * rt2860_tx_coherent_intr
3990 */
3991 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
3992 {
3993 uint32_t tmp;
3994 int i;
3995
3996 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3997 "%s: Tx coherent interrupt\n",
3998 device_get_nameunit(sc->dev));
3999
4000 sc->tx_coherent_interrupts++;
4001
4002 /* restart DMA engine */
4003
4004 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4005
4006 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4007 RT2860_REG_RX_DMA_ENABLE |
4008 RT2860_REG_TX_DMA_ENABLE);
4009
4010 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4011
4012 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4013
4014 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4015 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4016
4017 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4018 {
4019 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4020 sc->tx_ring[i].desc_phys_addr);
4021 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4022 RT2860_SOFTC_TX_RING_DESC_COUNT);
4023 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4024 }
4025
4026 /* init Rx ring */
4027
4028 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4029
4030 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4031 sc->rx_ring.desc_phys_addr);
4032 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4033 RT2860_SOFTC_RX_RING_DATA_COUNT);
4034 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4035 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4036
4037 rt2860_txrx_enable(sc);
4038 }
4039
4040 /*
4041 * rt2860_rx_coherent_intr
4042 */
4043 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4044 {
4045 uint32_t tmp;
4046 int i;
4047
4048 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4049 "%s: Rx coherent interrupt\n",
4050 device_get_nameunit(sc->dev));
4051
4052 sc->rx_coherent_interrupts++;
4053
4054 /* restart DMA engine */
4055
4056 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4057
4058 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4059 RT2860_REG_RX_DMA_ENABLE |
4060 RT2860_REG_TX_DMA_ENABLE);
4061
4062 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4063
4064 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4065
4066 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4067 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4068
4069 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4070 {
4071 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4072 sc->tx_ring[i].desc_phys_addr);
4073 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4074 RT2860_SOFTC_TX_RING_DESC_COUNT);
4075 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4076 }
4077
4078 /* init Rx ring */
4079
4080 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4081
4082 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4083 sc->rx_ring.desc_phys_addr);
4084 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4085 RT2860_SOFTC_RX_RING_DATA_COUNT);
4086 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4087 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4088
4089 rt2860_txrx_enable(sc);
4090 }
4091
4092 /*
4093 * rt2860_txrx_coherent_intr
4094 */
4095 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4096 {
4097 uint32_t tmp;
4098 int i;
4099
4100 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4101 "%s: Tx/Rx coherent interrupt\n",
4102 device_get_nameunit(sc->dev));
4103
4104 sc->txrx_coherent_interrupts++;
4105
4106 /* restart DMA engine */
4107
4108 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4109
4110 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4111 RT2860_REG_RX_DMA_ENABLE |
4112 RT2860_REG_TX_DMA_ENABLE);
4113
4114 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4115
4116 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4117
4118 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4119 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4120
4121 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4122 {
4123 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4124 sc->tx_ring[i].desc_phys_addr);
4125 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4126 RT2860_SOFTC_TX_RING_DESC_COUNT);
4127 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4128 }
4129
4130 /* init Rx ring */
4131
4132 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4133
4134 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4135 sc->rx_ring.desc_phys_addr);
4136 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4137 RT2860_SOFTC_RX_RING_DATA_COUNT);
4138 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4139 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4140
4141 rt2860_txrx_enable(sc);
4142 }
4143
4144 /*
4145 * rt2860_fifo_sta_full_intr
4146 */
4147 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4148 {
4149 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4150 "%s: FIFO statistic full interrupt\n",
4151 device_get_nameunit(sc->dev));
4152
4153 sc->fifo_sta_full_interrupts++;
4154
4155 RT2860_SOFTC_LOCK(sc);
4156
4157 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4158 {
4159 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4160
4161 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4162 }
4163
4164 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4165
4166 RT2860_SOFTC_UNLOCK(sc);
4167 }
4168
4169 /*
4170 * rt2860_rx_intr
4171 */
4172 static void rt2860_rx_intr(struct rt2860_softc *sc)
4173 {
4174 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4175 "%s: Rx interrupt\n",
4176 device_get_nameunit(sc->dev));
4177
4178 sc->rx_interrupts++;
4179
4180 RT2860_SOFTC_LOCK(sc);
4181
4182 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4183 {
4184 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4185
4186 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4187 }
4188
4189 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4190
4191 RT2860_SOFTC_UNLOCK(sc);
4192 }
4193
4194 /*
4195 * rt2860_rx_delay_intr
4196 */
4197 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4198 {
4199 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4200 "%s: Rx delay interrupt\n",
4201 device_get_nameunit(sc->dev));
4202
4203 sc->rx_delay_interrupts++;
4204 }
4205
4206 /*
4207 * rt2860_tx_intr
4208 */
4209 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4210 {
4211 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4212 ("%s: Tx interrupt: invalid qid=%d\n",
4213 device_get_nameunit(sc->dev), qid));
4214
4215 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4216 "%s: Tx interrupt: qid=%d\n",
4217 device_get_nameunit(sc->dev), qid);
4218
4219 sc->tx_interrupts[qid]++;
4220
4221 RT2860_SOFTC_LOCK(sc);
4222
4223 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4224 {
4225 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4226
4227 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4228 }
4229
4230 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4231
4232 RT2860_SOFTC_UNLOCK(sc);
4233 }
4234
4235 /*
4236 * rt2860_tx_delay_intr
4237 */
4238 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4239 {
4240 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4241 "%s: Tx delay interrupt\n",
4242 device_get_nameunit(sc->dev));
4243
4244 sc->tx_delay_interrupts++;
4245 }
4246
4247 /*
4248 * rt2860_pre_tbtt_intr
4249 */
4250 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4251 {
4252 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4253 "%s: Pre-TBTT interrupt\n",
4254 device_get_nameunit(sc->dev));
4255
4256 sc->pre_tbtt_interrupts++;
4257 }
4258
4259 /*
4260 * rt2860_tbtt_intr
4261 */
4262 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4263 {
4264 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4265 "%s: TBTT interrupt\n",
4266 device_get_nameunit(sc->dev));
4267
4268 sc->tbtt_interrupts++;
4269 }
4270
4271 /*
4272 * rt2860_mcu_cmd_intr
4273 */
4274 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4275 {
4276 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4277 "%s: MCU command interrupt\n",
4278 device_get_nameunit(sc->dev));
4279
4280 sc->mcu_cmd_interrupts++;
4281 }
4282
4283 /*
4284 * rt2860_auto_wakeup_intr
4285 */
4286 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4287 {
4288 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4289 "%s: auto wakeup interrupt\n",
4290 device_get_nameunit(sc->dev));
4291
4292 sc->auto_wakeup_interrupts++;
4293 }
4294
4295 /*
4296 * rt2860_gp_timer_intr
4297 */
4298 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4299 {
4300 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4301 "%s: GP timer interrupt\n",
4302 device_get_nameunit(sc->dev));
4303
4304 sc->gp_timer_interrupts++;
4305 }
4306
4307 /*
4308 * rt2860_rx_done_task
4309 */
4310 static void rt2860_rx_done_task(void *context, int pending)
4311 {
4312 struct rt2860_softc *sc;
4313 struct ifnet *ifp;
4314 int again;
4315
4316 sc = context;
4317 ifp = sc->ifp;
4318
4319 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4320 "%s: Rx done task\n",
4321 device_get_nameunit(sc->dev));
4322
4323 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4324 return;
4325
4326 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4327
4328 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4329
4330 RT2860_SOFTC_LOCK(sc);
4331
4332 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4333 {
4334 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4335 "%s: Rx done task: scheduling again\n",
4336 device_get_nameunit(sc->dev));
4337
4338 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4339 }
4340 else
4341 {
4342 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4343 }
4344
4345 RT2860_SOFTC_UNLOCK(sc);
4346 }
4347
4348 /*
4349 * rt2860_tx_done_task
4350 */
4351 static void rt2860_tx_done_task(void *context, int pending)
4352 {
4353 struct rt2860_softc *sc;
4354 struct ifnet *ifp;
4355 uint32_t intr_mask;
4356 int i;
4357
4358 sc = context;
4359 ifp = sc->ifp;
4360
4361 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4362 "%s: Tx done task\n",
4363 device_get_nameunit(sc->dev));
4364
4365 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4366 return;
4367
4368 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4369 {
4370 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4371 {
4372 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4373
4374 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4375 }
4376 }
4377
4378 sc->tx_timer = 0;
4379
4380 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4381
4382 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4383 RT2860_REG_INT_TX_HCCA_DONE |
4384 RT2860_REG_INT_TX_AC3_DONE |
4385 RT2860_REG_INT_TX_AC2_DONE |
4386 RT2860_REG_INT_TX_AC1_DONE |
4387 RT2860_REG_INT_TX_AC0_DONE);
4388
4389 RT2860_SOFTC_LOCK(sc);
4390
4391 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4392 (sc->intr_disable_mask & intr_mask));
4393
4394 if (sc->intr_pending_mask & intr_mask)
4395 {
4396 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4397 "%s: Tx done task: scheduling again\n",
4398 device_get_nameunit(sc->dev));
4399
4400 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4401 }
4402
4403 RT2860_SOFTC_UNLOCK(sc);
4404 }
4405
4406 /*
4407 * rt2860_fifo_sta_full_task
4408 */
4409 static void rt2860_fifo_sta_full_task(void *context, int pending)
4410 {
4411 struct rt2860_softc *sc;
4412 struct ifnet *ifp;
4413
4414 sc = context;
4415 ifp = sc->ifp;
4416
4417 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4418 "%s: FIFO statistic full task\n",
4419 device_get_nameunit(sc->dev));
4420
4421 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4422 return;
4423
4424 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4425
4426 rt2860_drain_fifo_stats(sc);
4427
4428 RT2860_SOFTC_LOCK(sc);
4429
4430 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4431 {
4432 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4433 "%s: FIFO statistic full task: scheduling again\n",
4434 device_get_nameunit(sc->dev));
4435
4436 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4437 }
4438 else
4439 {
4440 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4441 }
4442
4443 RT2860_SOFTC_UNLOCK(sc);
4444 }
4445
4446 /*
4447 * rt2860_periodic_task
4448 */
4449 static void rt2860_periodic_task(void *context, int pending)
4450 {
4451 struct rt2860_softc *sc;
4452 struct ifnet *ifp;
4453 struct ieee80211com *ic;
4454
4455 sc = context;
4456 ifp = sc->ifp;
4457 ic = &sc->ic;
4458
4459 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4460 "%s: periodic task: round=%lu\n",
4461 device_get_nameunit(sc->dev), sc->periodic_round);
4462
4463 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4464 return;
4465
4466 RT2860_SOFTC_LOCK(sc);
4467
4468 sc->periodic_round++;
4469
4470 rt2860_update_stats(sc);
4471
4472 if ((sc->periodic_round % 10) == 0)
4473 {
4474 rt2860_bbp_tuning(sc);
4475
4476 rt2860_update_raw_counters(sc);
4477
4478 rt2860_watchdog(sc);
4479
4480 if (ic->ic_opmode != IEEE80211_M_MONITOR && ic->ic_state == IEEE80211_S_RUN)
4481 {
4482 if (ic->ic_opmode == IEEE80211_M_STA)
4483 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4484 else
4485 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4486 }
4487 }
4488
4489 RT2860_SOFTC_UNLOCK(sc);
4490
4491 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4492 }
4493
4494 /*
4495 * rt2860_rx_eof
4496 */
4497 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4498 {
4499 struct ieee80211com *ic;
4500 struct ifnet *ifp;
4501 struct ieee80211_frame *wh;
4502 struct ieee80211_node *ni;
4503 struct rt2860_softc_node *rni;
4504 struct rt2860_softc_rx_radiotap_header *tap;
4505 struct rt2860_softc_rx_ring *ring;
4506 struct rt2860_rxdesc *desc;
4507 struct rt2860_softc_rx_data *data;
4508 struct rt2860_rxwi *rxwi;
4509 struct mbuf *m, *mnew;
4510 bus_dma_segment_t segs[1];
4511 bus_dmamap_t dma_map;
4512 uint32_t index, desc_flags;
4513 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4514 int8_t rssi_dbm;
4515 int error, nsegs, len, ampdu, amsdu, nframes, i;
4516
4517 ic = &sc->ic;
4518 ifp = sc->ifp;
4519 ring = &sc->rx_ring;
4520
4521 nframes = 0;
4522
4523 while (limit != 0)
4524 {
4525 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4526 if (ring->cur == index)
4527 break;
4528
4529 desc = &ring->desc[ring->cur];
4530 desc_flags = le32toh(desc->flags);
4531 data = &ring->data[ring->cur];
4532
4533 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4534 BUS_DMASYNC_POSTREAD);
4535
4536 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4537 break;
4538
4539 nframes++;
4540
4541 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4542 if (mnew == NULL)
4543 {
4544 sc->rx_mbuf_alloc_errors++;
4545 ifp->if_ierrors++;
4546 goto skip;
4547 }
4548
4549 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4550
4551 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
4552 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4553 if (error != 0)
4554 {
4555 m_freem(mnew);
4556
4557 sc->rx_mbuf_dmamap_errors++;
4558 ifp->if_ierrors++;
4559
4560 goto skip;
4561 }
4562
4563 KASSERT(nsegs == 1, ("%s: too many DMA segments",
4564 device_get_name(sc->dev)));
4565
4566 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4567 BUS_DMASYNC_POSTREAD);
4568 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4569
4570 dma_map = data->dma_map;
4571 data->dma_map = ring->spare_dma_map;
4572 ring->spare_dma_map = dma_map;
4573
4574 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4575 BUS_DMASYNC_PREREAD);
4576
4577 m = data->m;
4578
4579 data->m = mnew;
4580 desc->sdp0 = htole32(segs[0].ds_addr);
4581
4582 /* get Rx wireless info */
4583
4584 rxwi = mtod(m, struct rt2860_rxwi *);
4585 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4586 RT2860_RXWI_SIZE_MASK;
4587
4588 /* check for L2 padding between IEEE 802.11 frame header and body */
4589
4590 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4591 {
4592 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4593 "%s: L2 padding: len=%d\n",
4594 device_get_nameunit(sc->dev), len);
4595
4596 len += 2;
4597 }
4598
4599 m->m_pkthdr.rcvif = ifp;
4600 m->m_data = (caddr_t) (rxwi + 1);
4601 m->m_pkthdr.len = m->m_len = len;
4602
4603 /* check for crc errors */
4604
4605 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4606 {
4607 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4608 "%s: rxdesc: crc error\n",
4609 device_get_nameunit(sc->dev));
4610
4611 ifp->if_ierrors++;
4612
4613 if (!(ifp->if_flags & IFF_PROMISC))
4614 {
4615 m_freem(m);
4616 goto skip;
4617 }
4618 }
4619
4620 wh = (struct ieee80211_frame *) (rxwi + 1);
4621
4622 /* check for cipher errors */
4623
4624 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4625 {
4626 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4627 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4628 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4629 {
4630 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4631 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4632
4633 m->m_flags |= M_WEP;
4634 }
4635 else
4636 {
4637 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4638 "%s: rxdesc: cipher error=0x%02x\n",
4639 device_get_nameunit(sc->dev), cipher_err);
4640
4641 ifp->if_ierrors++;
4642
4643 if (!(ifp->if_flags & IFF_PROMISC))
4644 {
4645 m_free(m);
4646 goto skip;
4647 }
4648 }
4649 }
4650 else
4651 {
4652 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4653 {
4654 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4655 "%s: rxdesc: not decrypted but protected flag set\n",
4656 device_get_nameunit(sc->dev));
4657
4658 ifp->if_ierrors++;
4659
4660 if (!(ifp->if_flags & IFF_PROMISC))
4661 {
4662 m_free(m);
4663 goto skip;
4664 }
4665 }
4666 }
4667
4668 /* check for A-MPDU */
4669
4670 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4671 {
4672 m->m_flags |= M_AMPDU;
4673
4674 sc->rx_ampdu++;
4675
4676 ampdu = 1;
4677 }
4678 else
4679 {
4680 ampdu = 0;
4681 }
4682
4683 /* check for A-MSDU */
4684
4685 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
4686 {
4687 sc->rx_amsdu++;
4688
4689 amsdu = 1;
4690 }
4691 else
4692 {
4693 amsdu = 0;
4694 }
4695
4696 ant = rt2860_maxrssi_rxpath(sc, rxwi);
4697 rssi = rxwi->rssi[ant];
4698 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
4699 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4700 RT2860_RXWI_PHYMODE_MASK);
4701 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
4702 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
4703 RT2860_RXWI_SHORTGI_MASK);
4704 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
4705
4706 if (bpf_peers_present(sc->drvbpf))
4707 {
4708 tap = &sc->rxtap;
4709
4710 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4711 tap->dbm_antsignal = rssi_dbm;
4712 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
4713 tap->antenna = ant;
4714 tap->antsignal = rssi;
4715 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4716 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4717 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4718 tap->chan_maxpow = 0;
4719
4720 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
4721 tap->rate = mcs | IEEE80211_RATE_MCS;
4722 else
4723 tap->rate = rt2860_rxrate(rxwi);
4724
4725 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
4726 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4727
4728 if (shortgi)
4729 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4730
4731 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4732 }
4733
4734 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4735 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4736 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4737 device_get_nameunit(sc->dev),
4738 len, phymode, bw, shortgi, mcs,
4739 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4740 rxwi->snr[0], rxwi->snr[1],
4741 rxwi->wcid, ampdu, amsdu);
4742
4743 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4744
4745 if (ni != NULL)
4746 {
4747 rni = (struct rt2860_softc_node *) ni;
4748
4749 for (i = 0; i < RT2860_SOFTC_RSSI_DBM_COUNT; i++)
4750 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
4751 }
4752
4753 ieee80211_input(ic, m, ni, rssi_dbm, RT2860_NOISE_FLOOR, 0);
4754
4755 ieee80211_free_node(ni);
4756
4757 skip:
4758
4759 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
4760
4761 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4762 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4763
4764 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
4765
4766 limit--;
4767 }
4768
4769 if (ring->cur == 0)
4770 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4771 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4772 else
4773 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4774 ring->cur - 1);
4775
4776 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4777 "%s: Rx eof: nframes=%d\n",
4778 device_get_nameunit(sc->dev), nframes);
4779
4780 sc->rx_packets += nframes;
4781
4782 return (limit == 0);
4783 }
4784
4785 /*
4786 * rt2860_tx_eof
4787 */
4788 static void rt2860_tx_eof(struct rt2860_softc *sc,
4789 struct rt2860_softc_tx_ring *ring)
4790 {
4791 struct ifnet *ifp;
4792 struct rt2860_txdesc *desc;
4793 struct rt2860_softc_tx_data *data;
4794 uint32_t index;
4795 int ndescs, nframes;
4796
4797 ifp = sc->ifp;
4798
4799 ndescs = 0;
4800 nframes = 0;
4801
4802 for (;;)
4803 {
4804 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
4805 if (ring->desc_next == index)
4806 break;
4807
4808 ndescs++;
4809
4810 rt2860_drain_fifo_stats(sc);
4811
4812 desc = &ring->desc[ring->desc_next];
4813
4814 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4815 BUS_DMASYNC_POSTREAD);
4816
4817 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
4818 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
4819 {
4820 nframes++;
4821
4822 data = &ring->data[ring->data_next];
4823
4824 if (data->m->m_flags & M_TXCB)
4825 ieee80211_process_callback(data->ni, data->m, 0);
4826
4827 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4828 BUS_DMASYNC_POSTWRITE);
4829 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4830
4831 m_freem(data->m);
4832
4833 ieee80211_free_node(data->ni);
4834
4835 data->m = NULL;
4836 data->ni = NULL;
4837
4838 ifp->if_opackets++;
4839
4840 RT2860_SOFTC_LOCK(sc);
4841
4842 ring->data_queued--;
4843 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4844
4845 RT2860_SOFTC_UNLOCK(sc);
4846 }
4847
4848 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
4849
4850 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4851 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4852
4853 RT2860_SOFTC_LOCK(sc);
4854
4855 ring->desc_queued--;
4856 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4857
4858 RT2860_SOFTC_UNLOCK(sc);
4859 }
4860
4861 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4862 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
4863 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
4864 }
4865
4866 /*
4867 * rt2860_update_stats
4868 */
4869 static void rt2860_update_stats(struct rt2860_softc *sc)
4870 {
4871 struct ifnet *ifp;
4872 struct ieee80211com *ic;
4873 struct ieee80211_node *ni;
4874 uint32_t stacnt[3];
4875 int beacons, noretryok, retryok, failed, underflows, zerolen;
4876 uint16_t associd;
4877 uint8_t wcid;
4878
4879 ifp = sc->ifp;
4880 ic = &sc->ic;
4881
4882 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4883 "%s: update statistic\n",
4884 device_get_nameunit(sc->dev));
4885
4886 rt2860_drain_fifo_stats(sc);
4887
4888 /* read and clear Tx statistic registers */
4889
4890 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
4891 stacnt, sizeof(stacnt));
4892
4893 stacnt[0] = le32toh(stacnt[0]);
4894 stacnt[1] = le32toh(stacnt[1]);
4895 stacnt[2] = le32toh(stacnt[2]);
4896
4897 beacons = stacnt[0] >> 16;
4898 noretryok = stacnt[1] & 0xffff;
4899 retryok = stacnt[1] >> 16;
4900 failed = stacnt[0] & 0xffff;
4901 underflows = stacnt[2] >> 16;
4902 zerolen = stacnt[2] & 0xffff;
4903
4904 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4905 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
4906 device_get_nameunit(sc->dev),
4907 beacons, noretryok, retryok, failed, underflows, zerolen);
4908
4909 ifp->if_oerrors += failed;
4910
4911 sc->tx_beacons += beacons;
4912 sc->tx_noretryok += noretryok;
4913 sc->tx_retryok += retryok;
4914 sc->tx_failed += failed;
4915 sc->tx_underflows += underflows;
4916 sc->tx_zerolen += zerolen;
4917
4918 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4919 {
4920 ni = ic->ic_bss;
4921
4922 associd = (ni != NULL) ? ni->ni_associd : 0;
4923 wcid = RT2860_AID2WCID(associd);
4924
4925 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
4926 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4927 }
4928 }
4929
4930 /*
4931 * rt2860_bbp_tuning
4932 */
4933 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
4934 {
4935 struct ieee80211com *ic;
4936 struct ieee80211_node *ni;
4937 int chan, group;
4938 int8_t rssi, old, new;
4939
4940 /* RT2860C does not support BBP tuning */
4941
4942 if (sc->mac_rev == 0x28600100)
4943 return;
4944
4945 ic = &sc->ic;
4946
4947 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
4948 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
4949 return;
4950
4951 ni = ic->ic_bss;
4952
4953 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
4954
4955 if (chan <= 14)
4956 group = 0;
4957 else if (chan <= 64)
4958 group = 1;
4959 else if (chan <= 128)
4960 group = 2;
4961 else
4962 group = 3;
4963
4964 rssi = ieee80211_getrssi(ic);
4965
4966 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
4967 {
4968 new = 0x2e + sc->lna_gain[group];
4969 }
4970 else
4971 {
4972 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
4973 new = 0x32 + sc->lna_gain[group] * 5 / 3;
4974 else
4975 new = 0x3a + sc->lna_gain[group] * 5 / 3;
4976 }
4977
4978 /* Tune if absolute average RSSI is greater than -80 */
4979
4980 if (rssi > -80)
4981 new += 0x10;
4982
4983 old = rt2860_io_bbp_read(sc, 66);
4984
4985 if (old != new)
4986 rt2860_io_bbp_write(sc, 66, new);
4987 }
4988
4989 /*
4990 * rt2860_watchdog
4991 */
4992 static void rt2860_watchdog(struct rt2860_softc *sc)
4993 {
4994 uint32_t tmp;
4995 int ntries;
4996
4997 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4998
4999 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5000 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5001 device_get_nameunit(sc->dev), tmp);
5002
5003 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5004 {
5005 sc->tx_queue_not_empty[0]++;
5006
5007 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5008
5009 for (ntries = 0; ntries < 10; ntries++)
5010 {
5011 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5012 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5013 break;
5014
5015 DELAY(1);
5016 }
5017
5018 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5019 }
5020
5021 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5022 {
5023 sc->tx_queue_not_empty[1]++;
5024
5025 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5026
5027 for (ntries = 0; ntries < 10; ntries++)
5028 {
5029 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5030 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5031 break;
5032
5033 DELAY(1);
5034 }
5035
5036 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5037 }
5038 }
5039
5040 /*
5041 * rt2860_drain_fifo_stats
5042 */
5043 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5044 {
5045 struct ifnet *ifp;
5046 uint32_t stats;
5047 uint8_t wcid, mcs, pid;
5048 int ok, agg, retrycnt;
5049
5050 ifp = sc->ic.ic_ifp;
5051
5052 /* drain Tx status FIFO (maxsize = 16) */
5053
5054 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5055 RT2860_REG_TX_STA_FIFO_VALID)
5056 {
5057 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5058 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5059
5060 /* if no ACK was requested, no feedback is available */
5061
5062 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5063 continue;
5064
5065 /* update AMRR statistic */
5066
5067 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5068 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5069 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5070 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5071 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5072 RT2860_REG_TX_STA_FIFO_PID_MASK;
5073 retrycnt = pid - mcs;
5074
5075 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5076 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5077 device_get_nameunit(sc->dev),
5078 wcid, ok, agg, mcs, pid, retrycnt);
5079
5080 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5081
5082 if (!ok)
5083 ifp->if_oerrors++;
5084 }
5085 }
5086
5087 /*
5088 * rt2860_update_raw_counters
5089 */
5090 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5091 {
5092 uint32_t tmp;
5093
5094 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5095
5096 sc->tx_nonagg += tmp & 0xffff;
5097 sc->tx_agg += tmp >> 16;
5098
5099 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5100
5101 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5102
5103 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5104
5105 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5106
5107 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5108
5109 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5110
5111 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5112
5113 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5114
5115 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5116
5117 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5118
5119 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5120
5121 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5122
5123 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5124
5125 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5126
5127 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5128
5129 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5130
5131 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5132
5133 sc->rx_crc_errors += tmp & 0xffff;
5134 sc->rx_phy_errors += tmp >> 16;
5135
5136 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5137
5138 sc->rx_false_ccas += tmp & 0xffff;
5139 sc->rx_plcp_errors += tmp >> 16;
5140
5141 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5142
5143 sc->rx_dup_packets += tmp & 0xffff;
5144 sc->rx_fifo_overflows += tmp >> 16;
5145
5146 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5147
5148 sc->tx_mpdu_zero_density += tmp & 0xffff;
5149 sc->rx_mpdu_zero_density += tmp >> 16;
5150 }
5151
5152 /*
5153 * rt2860_intr_enable
5154 */
5155 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5156 {
5157 uint32_t tmp;
5158
5159 sc->intr_disable_mask &= ~intr_mask;
5160
5161 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5162
5163 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5164 }
5165
5166 /*
5167 * rt2860_intr_disable
5168 */
5169 static void rt2860_intr_disable(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_txrx_enable
5182 */
5183 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5184 {
5185 struct ieee80211com *ic;
5186 struct ifnet *ifp;
5187 uint32_t tmp;
5188 int ntries;
5189
5190 ic = &sc->ic;
5191 ifp = ic->ic_ifp;
5192
5193 /* enable Tx/Rx DMA engine */
5194
5195 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5196
5197 for (ntries = 0; ntries < 200; ntries++)
5198 {
5199 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5200 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5201 break;
5202
5203 DELAY(1000);
5204 }
5205
5206 if (ntries == 200)
5207 {
5208 printf("%s: timeout waiting for DMA engine\n",
5209 device_get_nameunit(sc->dev));
5210 return -1;
5211 }
5212
5213 DELAY(50);
5214
5215 tmp |= RT2860_REG_TX_WB_DDONE |
5216 RT2860_REG_RX_DMA_ENABLE |
5217 RT2860_REG_TX_DMA_ENABLE |
5218 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5219
5220 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5221
5222 /* set Rx filter */
5223
5224 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5225 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5226
5227 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5228 {
5229 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5230 RT2860_REG_RX_FILTER_DROP_CTS |
5231 RT2860_REG_RX_FILTER_DROP_BA |
5232 RT2860_REG_RX_FILTER_DROP_ACK |
5233 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5234 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5235 RT2860_REG_RX_FILTER_DROP_CFACK |
5236 RT2860_REG_RX_FILTER_DROP_CFEND;
5237
5238 if (ic->ic_opmode == IEEE80211_M_STA)
5239 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5240 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5241
5242 if (!(ifp->if_flags & IFF_PROMISC))
5243 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5244 }
5245
5246 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5247
5248 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5249 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5250
5251 return 0;
5252 }
5253
5254 /*
5255 * rt2860_alloc_rx_ring
5256 */
5257 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5258 struct rt2860_softc_rx_ring *ring)
5259 {
5260 struct rt2860_rxdesc *desc;
5261 struct rt2860_softc_rx_data *data;
5262 bus_dma_segment_t segs[1];
5263 int i, nsegs, error;
5264
5265 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5266 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5267 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5268 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5269 0, NULL, NULL, &ring->desc_dma_tag);
5270 if (error != 0)
5271 {
5272 printf("%s: could not create Rx desc DMA tag\n",
5273 device_get_nameunit(sc->dev));
5274 goto fail;
5275 }
5276
5277 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5278 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5279 if (error != 0)
5280 {
5281 printf("%s: could not allocate Rx desc DMA memory\n",
5282 device_get_nameunit(sc->dev));
5283 goto fail;
5284 }
5285
5286 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5287 ring->desc,
5288 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5289 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5290 if (error != 0)
5291 {
5292 printf("%s: could not load Rx desc DMA map\n",
5293 device_get_nameunit(sc->dev));
5294 goto fail;
5295 }
5296
5297 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5298 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5299 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5300 &ring->data_dma_tag);
5301 if (error != 0)
5302 {
5303 printf("%s: could not create Rx data DMA tag\n",
5304 device_get_nameunit(sc->dev));
5305 goto fail;
5306 }
5307
5308 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5309 {
5310 desc = &ring->desc[i];
5311 data = &ring->data[i];
5312
5313 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5314 if (error != 0)
5315 {
5316 printf("%s: could not create Rx data DMA map\n",
5317 device_get_nameunit(sc->dev));
5318 goto fail;
5319 }
5320
5321 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5322 if (data->m == NULL)
5323 {
5324 printf("%s: could not allocate Rx mbuf\n",
5325 device_get_nameunit(sc->dev));
5326 error = ENOMEM;
5327 goto fail;
5328 }
5329
5330 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5331
5332 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5333 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5334 if (error != 0)
5335 {
5336 printf("%s: could not load Rx mbuf DMA map\n",
5337 device_get_nameunit(sc->dev));
5338 goto fail;
5339 }
5340
5341 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5342 device_get_name(sc->dev)));
5343
5344 desc->sdp0 = htole32(segs[0].ds_addr);
5345 desc->sdl0 = htole16(MJUMPAGESIZE);
5346 }
5347
5348 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5349 if (error != 0)
5350 {
5351 printf("%s: could not create Rx spare DMA map\n",
5352 device_get_nameunit(sc->dev));
5353 goto fail;
5354 }
5355
5356 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5357 BUS_DMASYNC_PREWRITE);
5358
5359 return 0;
5360
5361 fail:
5362
5363 rt2860_free_rx_ring(sc, ring);
5364
5365 return error;
5366 }
5367
5368 /*
5369 * rt2860_reset_rx_ring
5370 */
5371 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5372 struct rt2860_softc_rx_ring *ring)
5373 {
5374 struct rt2860_rxdesc *desc;
5375 int i;
5376
5377 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5378 {
5379 desc = &ring->desc[i];
5380
5381 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5382 }
5383
5384 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5385 BUS_DMASYNC_PREWRITE);
5386
5387 ring->cur = 0;
5388 }
5389
5390 /*
5391 * rt2860_free_rx_ring
5392 */
5393 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5394 struct rt2860_softc_rx_ring *ring)
5395 {
5396 struct rt2860_softc_rx_data *data;
5397 int i;
5398
5399 if (ring->desc != NULL)
5400 {
5401 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5402 BUS_DMASYNC_POSTWRITE);
5403 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5404 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5405 ring->desc_dma_map);
5406 }
5407
5408 if (ring->desc_dma_tag != NULL)
5409 bus_dma_tag_destroy(ring->desc_dma_tag);
5410
5411 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5412 {
5413 data = &ring->data[i];
5414
5415 if (data->m != NULL)
5416 {
5417 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5418 BUS_DMASYNC_POSTREAD);
5419 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5420 m_freem(data->m);
5421 }
5422
5423 if (data->dma_map != NULL)
5424 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5425 }
5426
5427 if (ring->spare_dma_map != NULL)
5428 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5429
5430 if (ring->data_dma_tag != NULL)
5431 bus_dma_tag_destroy(ring->data_dma_tag);
5432 }
5433
5434 /*
5435 * rt2860_alloc_tx_ring
5436 */
5437 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5438 struct rt2860_softc_tx_ring *ring, int qid)
5439 {
5440 struct rt2860_softc_tx_data *data;
5441 int error, i;
5442
5443 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5444 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5445 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5446 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5447 0, NULL, NULL, &ring->desc_dma_tag);
5448 if (error != 0)
5449 {
5450 printf("%s: could not create Tx desc DMA tag\n",
5451 device_get_nameunit(sc->dev));
5452 goto fail;
5453 }
5454
5455 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5456 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5457 if (error != 0)
5458 {
5459 printf("%s: could not allocate Tx desc DMA memory\n",
5460 device_get_nameunit(sc->dev));
5461 goto fail;
5462 }
5463
5464 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5465 ring->desc,
5466 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5467 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5468 if (error != 0)
5469 {
5470 printf("%s: could not load Tx desc DMA map\n",
5471 device_get_nameunit(sc->dev));
5472 goto fail;
5473 }
5474
5475 ring->desc_queued = 0;
5476 ring->desc_cur = 0;
5477 ring->desc_next = 0;
5478
5479 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5480 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5481 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5482 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5483 0, NULL, NULL, &ring->seg0_dma_tag);
5484 if (error != 0)
5485 {
5486 printf("%s: could not create Tx seg0 DMA tag\n",
5487 device_get_nameunit(sc->dev));
5488 goto fail;
5489 }
5490
5491 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5492 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5493 if (error != 0)
5494 {
5495 printf("%s: could not allocate Tx seg0 DMA memory\n",
5496 device_get_nameunit(sc->dev));
5497 goto fail;
5498 }
5499
5500 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5501 ring->seg0,
5502 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5503 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5504 if (error != 0)
5505 {
5506 printf("%s: could not load Tx seg0 DMA map\n",
5507 device_get_nameunit(sc->dev));
5508 goto fail;
5509 }
5510
5511 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5512 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5513 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5514 &ring->data_dma_tag);
5515 if (error != 0)
5516 {
5517 printf("%s: could not create Tx data DMA tag\n",
5518 device_get_nameunit(sc->dev));
5519 goto fail;
5520 }
5521
5522 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5523 {
5524 data = &ring->data[i];
5525
5526 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5527 if (error != 0)
5528 {
5529 printf("%s: could not create Tx data DMA map\n",
5530 device_get_nameunit(sc->dev));
5531 goto fail;
5532 }
5533 }
5534
5535 ring->data_queued = 0;
5536 ring->data_cur = 0;
5537 ring->data_next = 0;
5538
5539 ring->qid = qid;
5540
5541 return 0;
5542
5543 fail:
5544
5545 rt2860_free_tx_ring(sc, ring);
5546
5547 return error;
5548 }
5549
5550 /*
5551 * rt2860_reset_tx_ring
5552 */
5553 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5554 struct rt2860_softc_tx_ring *ring)
5555 {
5556 struct rt2860_softc_tx_data *data;
5557 struct rt2860_txdesc *desc;
5558 int i;
5559
5560 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5561 {
5562 desc = &ring->desc[i];
5563
5564 desc->sdl0 = 0;
5565 desc->sdl1 = 0;
5566 }
5567
5568 ring->desc_queued = 0;
5569 ring->desc_cur = 0;
5570 ring->desc_next = 0;
5571
5572 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5573 BUS_DMASYNC_PREWRITE);
5574
5575 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5576 BUS_DMASYNC_PREWRITE);
5577
5578 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5579 {
5580 data = &ring->data[i];
5581
5582 if (data->m != NULL)
5583 {
5584 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5585 BUS_DMASYNC_POSTWRITE);
5586 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5587 m_freem(data->m);
5588 data->m = NULL;
5589 }
5590
5591 if (data->ni != NULL)
5592 {
5593 ieee80211_free_node(data->ni);
5594 data->ni = NULL;
5595 }
5596 }
5597
5598 ring->data_queued = 0;
5599 ring->data_cur = 0;
5600 ring->data_next = 0;
5601 }
5602
5603 /*
5604 * rt2860_free_tx_ring
5605 */
5606 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5607 struct rt2860_softc_tx_ring *ring)
5608 {
5609 struct rt2860_softc_tx_data *data;
5610 int i;
5611
5612 if (ring->desc != NULL)
5613 {
5614 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5615 BUS_DMASYNC_POSTWRITE);
5616 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5617 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5618 ring->desc_dma_map);
5619 }
5620
5621 if (ring->desc_dma_tag != NULL)
5622 bus_dma_tag_destroy(ring->desc_dma_tag);
5623
5624 if (ring->seg0 != NULL)
5625 {
5626 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5627 BUS_DMASYNC_POSTWRITE);
5628 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5629 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5630 ring->seg0_dma_map);
5631 }
5632
5633 if (ring->seg0_dma_tag != NULL)
5634 bus_dma_tag_destroy(ring->seg0_dma_tag);
5635
5636 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5637 {
5638 data = &ring->data[i];
5639
5640 if (data->m != NULL)
5641 {
5642 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5643 BUS_DMASYNC_POSTWRITE);
5644 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5645 m_freem(data->m);
5646 }
5647
5648 if (data->ni != NULL)
5649 ieee80211_free_node(data->ni);
5650
5651 if (data->dma_map != NULL)
5652 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5653 }
5654
5655 if (ring->data_dma_tag != NULL)
5656 bus_dma_tag_destroy(ring->data_dma_tag);
5657 }
5658
5659 /*
5660 * rt2860_dma_map_addr
5661 */
5662 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5663 int nseg, int error)
5664 {
5665 if (error != 0)
5666 return;
5667
5668 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5669
5670 *(bus_addr_t *) arg = segs[0].ds_addr;
5671 }
5672
5673 /*
5674 * rt2860_sysctl_attach
5675 */
5676 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5677 {
5678 struct sysctl_ctx_list *ctx;
5679 struct sysctl_oid *tree;
5680 struct sysctl_oid *stats;
5681
5682 ctx = device_get_sysctl_ctx(sc->dev);
5683 tree = device_get_sysctl_tree(sc->dev);
5684
5685 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5686 "stats", CTLFLAG_RD, 0, "statistic");
5687
5688 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5689 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5690 "all interrupts");
5691
5692 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5693 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5694 "Tx coherent interrupts");
5695
5696 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5697 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5698 "Rx coherent interrupts");
5699
5700 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5701 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5702 "Tx/Rx coherent interrupts");
5703
5704 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5705 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5706 "FIFO statistic full interrupts");
5707
5708 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5709 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5710 "Rx interrupts");
5711
5712 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5713 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5714 "Rx delay interrupts");
5715
5716 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5717 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5718 "Tx MGMT interrupts");
5719
5720 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5721 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5722 "Tx HCCA interrupts");
5723
5724 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5725 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5726 "Tx AC3 interrupts");
5727
5728 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5729 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5730 "Tx AC2 interrupts");
5731
5732 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5733 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5734 "Tx AC1 interrupts");
5735
5736 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5737 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5738 "Tx AC0 interrupts");
5739
5740 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5741 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5742 "Tx delay interrupts");
5743
5744 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5745 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5746 "Pre-TBTT interrupts");
5747
5748 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5749 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5750 "TBTT interrupts");
5751
5752 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5753 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5754 "MCU command interrupts");
5755
5756 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5757 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5758 "auto wakeup interrupts");
5759
5760 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5761 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5762 "GP timer interrupts");
5763
5764 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5765 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5766 "Tx MGMT descriptors queued");
5767
5768 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5769 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5770 "Tx MGMT data queued");
5771
5772 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5773 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5774 "Tx HCCA descriptors queued");
5775
5776 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5777 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5778 "Tx HCCA data queued");
5779
5780 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5781 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5782 "Tx AC3 descriptors queued");
5783
5784 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5785 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5786 "Tx AC3 data queued");
5787
5788 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5789 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5790 "Tx AC2 descriptors queued");
5791
5792 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5793 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5794 "Tx AC2 data queued");
5795
5796 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5797 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5798 "Tx AC1 descriptors queued");
5799
5800 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5801 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5802 "Tx AC1 data queued");
5803
5804 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5805 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5806 "Tx AC0 descriptors queued");
5807
5808 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5809 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5810 "Tx AC0 data queued");
5811
5812 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5813 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5814 "Tx MGMT data queue full");
5815
5816 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5817 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5818 "Tx HCCA data queue full");
5819
5820 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5821 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5822 "Tx AC3 data queue full");
5823
5824 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5825 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5826 "Tx AC2 data queue full");
5827
5828 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5829 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5830 "Tx AC1 data queue full");
5831
5832 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5833 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5834 "Tx AC0 data queue full");
5835
5836 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5837 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5838 "Tx watchdog timeouts");
5839
5840 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5841 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
5842 "Tx defragmented packets");
5843
5844 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5845 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
5846 "no Tx descriptors available");
5847
5848 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5849 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5850 "Rx mbuf allocation errors");
5851
5852 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5853 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
5854 "Rx mbuf DMA mapping errors");
5855
5856 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5857 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5858 "Tx queue 0 not empty");
5859
5860 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5861 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5862 "Tx queue 1 not empty");
5863
5864 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5865 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5866 "Tx beacons");
5867
5868 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5869 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5870 "Tx successfull without retries");
5871
5872 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5873 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5874 "Tx successfull with retries");
5875
5876 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5877 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5878 "Tx failed");
5879
5880 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5881 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5882 "Tx underflows");
5883
5884 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5885 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5886 "Tx zero length");
5887
5888 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5889 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5890 "Tx non-aggregated");
5891
5892 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5893 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5894 "Tx aggregated");
5895
5896 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5897 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5898 "Tx A-MPDU");
5899
5900 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5901 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5902 "Tx MPDU with zero density");
5903
5904 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5905 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5906 "Rx packets");
5907
5908 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5909 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5910 "Rx A-MPDU");
5911
5912 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5913 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
5914 "Rx MPDU with zero density");
5915
5916 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5917 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5918 "Rx A-MSDU");
5919
5920 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5921 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5922 "Rx CRC errors");
5923
5924 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5925 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5926 "Rx PHY errors");
5927
5928 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5929 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5930 "Rx false CCAs");
5931
5932 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5933 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5934 "Rx PLCP errors");
5935
5936 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5937 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5938 "Rx duplicate packets");
5939
5940 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5941 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5942 "Rx FIFO overflows");
5943 }
5944
5945 static device_method_t rt2860_dev_methods[] =
5946 {
5947 DEVMETHOD(device_probe, rt2860_probe),
5948 DEVMETHOD(device_attach, rt2860_attach),
5949 DEVMETHOD(device_detach, rt2860_detach),
5950 DEVMETHOD(device_shutdown, rt2860_shutdown),
5951 DEVMETHOD(device_suspend, rt2860_suspend),
5952 DEVMETHOD(device_resume, rt2860_resume),
5953 { 0, 0 }
5954 };
5955
5956 static driver_t rt2860_driver =
5957 {
5958 "rt2860",
5959 rt2860_dev_methods,
5960 sizeof(struct rt2860_softc)
5961 };
5962
5963 static devclass_t rt2860_dev_class;
5964
5965 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
5966
5967 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
5968 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860