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Set Rx A-MPDU factor to 2 (32Kbyte)
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blob7a814de6b645ccdf00f7ca8906a20749690d3b33
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2860_softc.h"
20 #include "rt2860_reg.h"
21 #include "rt2860_eeprom.h"
22 #include "rt2860_ucode.h"
23 #include "rt2860_txwi.h"
24 #include "rt2860_rxwi.h"
25 #include "rt2860_io.h"
26 #include "rt2860_read_eeprom.h"
27 #include "rt2860_led.h"
28 #include "rt2860_rf.h"
29 #include "rt2860_debug.h"
30
31 /*
32 * Defines and macros
33 */
34
35 #define PCI_VENDOR_RALINK 0x1814
36 #define PCI_PRODUCT_RALINK_RT2860_PCI 0x0601
37 #define PCI_PRODUCT_RALINK_RT2860_PCIe 0x0681
38 #define PCI_PRODUCT_RALINK_RT2760_PCI 0x0701
39 #define PCI_PRODUCT_RALINK_RT2790_PCIe 0x0781
40
41 #define RT2860_MAX_AGG_SIZE 3840
42
43 #define RT2860_TX_DATA_SEG0_SIZE \
44 (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4))
45
46 #define RT2860_NOISE_FLOOR -95
47
48 #define RT2860_AID2WCID(aid) ((aid) & 0xff)
49
50 #define RT2860_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22)
51
52 #define RT2860_ACK_SIZE 14
53
54 #define IEEE80211_HAS_ADDR4(wh) \
55 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
56
57 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
58 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
59
60 #define RT2860_TX_WATCHDOG_TIMEOUT 5
61
62 /*
63 * Data structures and types
64 */
65
66 struct rt2860_pci_ident
67 {
68 uint16_t vendor;
69 uint16_t device;
70 const char *name;
71 };
72
73 /*
74 * Static function prototypes
75 */
76
77 static int rt2860_probe(device_t dev);
78
79 static int rt2860_attach(device_t dev);
80
81 static int rt2860_detach(device_t dev);
82
83 static int rt2860_shutdown(device_t dev);
84
85 static int rt2860_suspend(device_t dev);
86
87 static int rt2860_resume(device_t dev);
88
89 static void rt2860_init_channels(struct rt2860_softc *sc);
90
91 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
92
93 static void rt2860_init_locked(void *priv);
94
95 static void rt2860_init(void *priv);
96
97 static int rt2860_init_bbp(struct rt2860_softc *sc);
98
99 static void rt2860_stop_locked(void *priv);
100
101 static void rt2860_stop(void *priv);
102
103 static void rt2860_start(struct ifnet *ifp);
104
105 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
106
107 static int rt2860_reset(struct ifnet *ifp);
108
109 static int rt2860_newstate(struct ieee80211com *ic,
110 enum ieee80211_state nstate, int arg);
111
112 static void rt2860_scan_start(struct ieee80211com *ic);
113
114 static void rt2860_scan_end(struct ieee80211com *ic);
115
116 static void rt2860_set_channel(struct ieee80211com *ic);
117
118 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
119
120 static void rt2860_updateslot(struct ifnet *ifp);
121
122 static int rt2860_wme_update(struct ieee80211com *ic);
123
124 static void rt2860_update_beacon(struct ieee80211com *ic, int what);
125
126 static void rt2860_key_update_begin(struct ieee80211com *ic);
127
128 static void rt2860_key_update_end(struct ieee80211com *ic);
129
130 static int rt2860_key_set(struct ieee80211com *ic,
131 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
132
133 static int rt2860_key_delete(struct ieee80211com *ic,
134 const struct ieee80211_key *k);
135
136 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
137 const struct ieee80211_bpf_params *params);
138
139 static int rt2860_media_change(struct ifnet *ifp);
140
141 static void rt2860_recv_action(struct ieee80211_node *ni,
142 const uint8_t *frm, const uint8_t *efrm);
143
144 static int rt2860_send_action(struct ieee80211_node *ni,
145 int category, int action, uint16_t args[4]);
146
147 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
148
149 static void rt2860_periodic(void *arg);
150
151 static void rt2860_tx_watchdog(void *arg);
152
153 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
154 const uint8_t *bssid);
155
156 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
157 const uint8_t *addr);
158
159 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
160
161 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
162
163 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
164
165 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
166
167 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
168
169 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
170
171 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
172
173 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
174
175 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
176
177 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
178
179 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
180
181 static int rt2860_asic_update_beacon(struct rt2860_softc *sc);
182
183 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
184
185 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
186
187 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
188 const struct rt2860_rxwi *rxwi);
189
190 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
191 uint8_t rssi, uint8_t rxpath);
192
193 static uint8_t rt2860_rate2mcs(uint8_t rate);
194
195 static int rt2860_ackrate(struct ieee80211com *ic, int rate);
196
197 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags);
198
199 static int rt2860_tx_frame(struct rt2860_softc *sc,
200 struct mbuf *m, struct ieee80211_node *ni, int qid);
201
202 static int rt2860_tx_raw(struct rt2860_softc *sc,
203 struct mbuf *m, struct ieee80211_node *ni,
204 const struct ieee80211_bpf_params *params);
205
206 static void rt2860_intr(void *arg);
207
208 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
209
210 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
211
212 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
213
214 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
215
216 static void rt2860_rx_intr(struct rt2860_softc *sc);
217
218 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
219
220 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
221
222 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
223
224 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
225
226 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
227
228 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
229
230 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
231
232 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
233
234 static void rt2860_rx_done_task(void *context, int pending);
235
236 static void rt2860_tx_done_task(void *context, int pending);
237
238 static void rt2860_fifo_sta_full_task(void *context, int pending);
239
240 static void rt2860_periodic_task(void *context, int pending);
241
242 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
243
244 static void rt2860_tx_eof(struct rt2860_softc *sc,
245 struct rt2860_softc_tx_ring *ring);
246
247 static void rt2860_update_stats(struct rt2860_softc *sc);
248
249 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
250
251 static void rt2860_watchdog(struct rt2860_softc *sc);
252
253 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
254
255 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
256
257 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
258
259 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
260
261 static int rt2860_txrx_enable(struct rt2860_softc *sc);
262
263 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
264 struct rt2860_softc_rx_ring *ring);
265
266 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
267 struct rt2860_softc_rx_ring *ring);
268
269 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
270 struct rt2860_softc_rx_ring *ring);
271
272 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
273 struct rt2860_softc_tx_ring *ring, int qid);
274
275 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
276 struct rt2860_softc_tx_ring *ring);
277
278 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
279 struct rt2860_softc_tx_ring *ring);
280
281 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
282 int nseg, int error);
283
284 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
285
286 /*
287 * Static variables
288 */
289
290 static const struct rt2860_pci_ident rt2860_pci_ids[] =
291 {
292 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
293 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
294 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
295 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
296 { 0, 0, NULL }
297 };
298
299 static const struct
300 {
301 uint32_t reg;
302 uint32_t val;
303 } rt2860_def_mac[] =
304 {
305 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
306 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
307 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
308 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
309 { RT2860_REG_SYS_CTRL, 0x00000000 },
310 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
311 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
312 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
313 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
314 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
315 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
316 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
317 { RT2860_REG_LED_CFG, 0x7f031e46 },
318 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
319 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
320 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
321 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
322 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
323 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
324 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
325 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
326 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
327 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
328 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
329 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
330 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
331 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
332 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
333 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
334 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
335 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
336 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
337 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
338 };
339
340 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
341
342 static const struct
343 {
344 uint8_t reg;
345 uint8_t val;
346 } rt2860_def_bbp[] =
347 {
348 { 65, 0x2c },
349 { 66, 0x38 },
350 { 69, 0x12 },
351 { 70, 0x0a },
352 { 73, 0x10 },
353 { 81, 0x37 },
354 { 82, 0x62 },
355 { 83, 0x6a },
356 { 84, 0x99 },
357 { 86, 0x00 },
358 { 91, 0x04 },
359 { 92, 0x00 },
360 { 103, 0x00 },
361 { 105, 0x05 },
362 { 106, 0x35 },
363 };
364
365 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
366
367 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
368
369 #ifdef RT2860_DEBUG
370 static int rt2860_debug = 0;
371 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
372 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
373 #endif
374
375 /*
376 * rt2860_probe
377 */
378 static int rt2860_probe(device_t dev)
379 {
380 const struct rt2860_pci_ident *ident;
381
382 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
383 {
384 if (pci_get_vendor(dev) == ident->vendor &&
385 pci_get_device(dev) == ident->device)
386 {
387 device_set_desc(dev, ident->name);
388 return 0;
389 }
390 }
391
392 return ENXIO;
393 }
394
395 /*
396 * rt2860_attach
397 */
398 static int rt2860_attach(device_t dev)
399 {
400 struct rt2860_softc *sc;
401 struct ifnet *ifp;
402 struct ieee80211com *ic;
403 int error, ntries, i;
404
405 sc = device_get_softc(dev);
406
407 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
408 {
409 printf("%s: chip is in D%d power mode, setting to D0\n",
410 device_get_nameunit(dev), pci_get_powerstate(dev));
411 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
412 }
413
414 /* enable bus-mastering */
415
416 pci_enable_busmaster(dev);
417
418 sc->dev = dev;
419
420 mtx_init(&sc->lock, device_get_nameunit(dev),
421 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
422
423 sc->mem_rid = PCIR_BAR(0);
424 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
425 &sc->mem_rid, RF_ACTIVE);
426 if (sc->mem == NULL)
427 {
428 printf("%s: could not allocate memory resource\n",
429 device_get_nameunit(dev));
430 error = ENXIO;
431 goto fail;
432 }
433
434 sc->bst = rman_get_bustag(sc->mem);
435 sc->bsh = rman_get_bushandle(sc->mem);
436
437 sc->irq_rid = 0;
438 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
439 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
440 if (sc->irq == NULL)
441 {
442 printf("%s: could not allocate interrupt resource\n",
443 device_get_nameunit(dev));
444 error = ENXIO;
445 goto fail;
446 }
447
448 #ifdef RT2860_DEBUG
449 sc->debug = rt2860_debug;
450
451 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
452 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
453 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
454 #endif
455
456 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
457 "%s: attaching\n",
458 device_get_nameunit(sc->dev));
459
460 /* wait for NIC to initialize */
461
462 for (ntries = 0; ntries < 100; ntries++)
463 {
464 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
465 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
466 break;
467
468 DELAY(10);
469 }
470
471 if (ntries == 100)
472 {
473 printf("%s: timeout waiting for NIC to initialize\n",
474 device_get_nameunit(dev));
475 error = EIO;
476 goto fail;
477 }
478
479 rt2860_read_eeprom(sc);
480
481 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
482 device_get_nameunit(sc->dev), sc->mac_rev,
483 rt2860_rf_name(sc->rf_rev));
484
485 /* allocate Tx and Rx rings */
486
487 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
488 {
489 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
490 if (error != 0)
491 {
492 printf("%s: could not allocate Tx ring #%d\n",
493 device_get_nameunit(sc->dev), i);
494 goto fail;
495 }
496 }
497
498 sc->tx_ring_mgtqid = 5;
499
500 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
501 if (error != 0)
502 {
503 printf("%s: could not allocate Rx ring\n",
504 device_get_nameunit(sc->dev));
505 goto fail;
506 }
507
508 callout_init(&sc->periodic_ch, 0);
509 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
510
511 ifp = sc->ifp = if_alloc(IFT_ETHER);
512 if (ifp == NULL)
513 {
514 printf("%s: could not if_alloc()\n",
515 device_get_nameunit(sc->dev));
516 error = ENOMEM;
517 goto fail;
518 }
519
520 ifp->if_softc = sc;
521
522 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
523
524 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
525
526 ifp->if_init = rt2860_init;
527 ifp->if_ioctl = rt2860_ioctl;
528 ifp->if_start = rt2860_start;
529
530 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
531 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
532 IFQ_SET_READY(&ifp->if_snd);
533
534 ic = &sc->ic;
535
536 ic->ic_ifp = ifp;
537
538 ic->ic_phytype = IEEE80211_T_HT;
539 ic->ic_opmode = IEEE80211_M_STA;
540 ic->ic_state = IEEE80211_S_INIT;
541
542 ic->ic_caps = IEEE80211_C_MONITOR |
543 IEEE80211_C_IBSS |
544 IEEE80211_C_AHDEMO |
545 IEEE80211_C_HOSTAP |
546 IEEE80211_C_WDS |
547 /* IEEE80211_C_BGSCAN | */
548 IEEE80211_C_TXPMGT |
549 IEEE80211_C_SHPREAMBLE |
550 IEEE80211_C_SHSLOT |
551 IEEE80211_C_TXFRAG |
552 IEEE80211_C_BURST |
553 IEEE80211_C_WME |
554 IEEE80211_C_WEP |
555 IEEE80211_C_TKIP |
556 IEEE80211_C_AES_CCM |
557 IEEE80211_C_WPA;
558
559 ic->ic_htcaps = IEEE80211_HTC_HT |
560 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
561 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
562 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
563 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
564 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
565 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
566 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
567 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
568
569 /* spatial streams */
570
571 if (sc->nrxpath == 2)
572 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
573 else if (sc->nrxpath == 3)
574 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
575 else
576 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
577
578 if (sc->ntxpath > 1)
579 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
580
581 /* delayed BA */
582
583 if (sc->mac_rev != 0x28600100)
584 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
585
586 /* init channels */
587
588 ic->ic_nchans = 0;
589 ic->ic_regdomain = 0;
590 ic->ic_countrycode = CTRY_DEFAULT;
591 ic->ic_location = 0;
592
593 rt2860_init_channels(sc);
594
595 rt2860_init_channels_ht40(sc);
596
597 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
598
599 ieee80211_ifattach(ic);
600
601 sc->newstate = ic->ic_newstate;
602 ic->ic_newstate = rt2860_newstate;
603
604 ic->ic_reset = rt2860_reset;
605 ic->ic_scan_start = rt2860_scan_start;
606 ic->ic_scan_end = rt2860_scan_end;
607 ic->ic_set_channel = rt2860_set_channel;
608 ic->ic_newassoc = rt2860_newassoc;
609 ic->ic_updateslot = rt2860_updateslot;
610 ic->ic_wme.wme_update = rt2860_wme_update;
611 ic->ic_update_beacon = rt2860_update_beacon;
612 ic->ic_crypto.cs_key_update_begin = rt2860_key_update_begin;
613 ic->ic_crypto.cs_key_update_end = rt2860_key_update_end;
614 ic->ic_crypto.cs_key_set = rt2860_key_set;
615 ic->ic_crypto.cs_key_delete = rt2860_key_delete;
616 ic->ic_raw_xmit = rt2860_raw_xmit;
617
618 sc->recv_action = ic->ic_recv_action;
619 ic->ic_recv_action = rt2860_recv_action;
620
621 sc->send_action = ic->ic_send_action;
622 ic->ic_send_action = rt2860_send_action;
623
624 /* override Rx A-MPDU factor */
625
626 ic->ic_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
627 ic->ic_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
628 ic->ic_ampdu_limit = ic->ic_ampdu_rxmax;
629
630 /* hardware requires padding between 802.11 frame header and body */
631
632 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
633
634 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
635
636 ieee80211_media_init(ic, rt2860_media_change, ieee80211_media_status);
637
638 rt2860_amrr_init(&sc->amrr, ic,
639 sc->ntxpath,
640 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
641 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
642 500);
643
644 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
645 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
646 &sc->drvbpf);
647
648 sc->rxtap_len = sizeof(sc->rxtapu);
649 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
650 sc->rxtap.ihdr.it_present = htole32(RT2860_SOFTC_RX_RADIOTAP_PRESENT);
651
652 sc->txtap_len = sizeof(sc->txtapu);
653 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
654 sc->txtap.ihdr.it_present = htole32(RT2860_SOFTC_TX_RADIOTAP_PRESENT);
655
656 /* init task queue */
657
658 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
659 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
660 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
661 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
662
663 sc->rx_process_limit = 100;
664
665 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
666 taskqueue_thread_enqueue, &sc->taskqueue);
667
668 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
669 device_get_nameunit(sc->dev));
670
671 rt2860_sysctl_attach(sc);
672
673 if (bootverbose)
674 ieee80211_announce(ic);
675
676 /* set up interrupt */
677
678 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
679 NULL, rt2860_intr, sc, &sc->irqh);
680 if (error != 0)
681 {
682 printf("%s: could not set up interrupt\n",
683 device_get_nameunit(dev));
684 goto fail;
685 }
686
687 return 0;
688
689 fail:
690
691 /* free Tx and Rx rings */
692
693 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
694 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
695
696 rt2860_free_rx_ring(sc, &sc->rx_ring);
697
698 mtx_destroy(&sc->lock);
699
700 if (sc->mem != NULL)
701 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
702
703 if (sc->irq != NULL)
704 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
705
706 return error;
707 }
708
709 /*
710 * rt2860_detach
711 */
712 static int rt2860_detach(device_t dev)
713 {
714 struct rt2860_softc *sc;
715 struct ieee80211com *ic;
716 struct ifnet *ifp;
717 int i;
718
719 sc = device_get_softc(dev);
720 ic = &sc->ic;
721 ifp = ic->ic_ifp;
722
723 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
724 "%s: detaching\n",
725 device_get_nameunit(sc->dev));
726
727 RT2860_SOFTC_LOCK(sc);
728
729 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
730
731 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
732
733 callout_stop(&sc->periodic_ch);
734 callout_stop(&sc->tx_watchdog_ch);
735
736 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
737 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
738 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
739 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
740
741 /* free Tx and Rx rings */
742
743 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
744 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
745
746 rt2860_free_rx_ring(sc, &sc->rx_ring);
747
748 RT2860_SOFTC_UNLOCK(sc);
749
750 bpfdetach(ifp);
751
752 ieee80211_ifdetach(ic);
753
754 if_free(ifp);
755
756 taskqueue_free(sc->taskqueue);
757
758 mtx_destroy(&sc->lock);
759
760 bus_generic_detach(dev);
761
762 bus_teardown_intr(dev, sc->irq, sc->irqh);
763
764 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
765
766 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
767
768 return 0;
769 }
770
771 /*
772 * rt2860_shutdown
773 */
774 static int rt2860_shutdown(device_t dev)
775 {
776 struct rt2860_softc *sc;
777
778 sc = device_get_softc(dev);
779
780 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
781 "%s: shutting down\n",
782 device_get_nameunit(sc->dev));
783
784 rt2860_stop(sc);
785
786 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
787
788 return 0;
789 }
790
791 /*
792 * rt2860_suspend
793 */
794 static int rt2860_suspend(device_t dev)
795 {
796 struct rt2860_softc *sc;
797
798 sc = device_get_softc(dev);
799
800 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
801 "%s: suspending\n",
802 device_get_nameunit(sc->dev));
803
804 rt2860_stop(sc);
805
806 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
807
808 return 0;
809 }
810
811 /*
812 * rt2860_resume
813 */
814 static int rt2860_resume(device_t dev)
815 {
816 struct rt2860_softc *sc;
817 struct ifnet *ifp;
818
819 sc = device_get_softc(dev);
820 ifp = sc->ifp;
821
822 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
823 "%s: resuming\n",
824 device_get_nameunit(sc->dev));
825
826 if (ifp->if_flags & IFF_UP)
827 rt2860_init(sc);
828
829 return 0;
830 }
831
832 /*
833 * rt2860_init_channels
834 */
835 static void rt2860_init_channels(struct rt2860_softc *sc)
836 {
837 struct ieee80211com *ic;
838 struct ieee80211_channel *c;
839 int i, flags;
840
841 ic = &sc->ic;
842
843 /* set supported channels for 2GHz band */
844
845 for (i = 1; i <= 14; i++)
846 {
847 c = &ic->ic_channels[ic->ic_nchans++];
848 flags = IEEE80211_CHAN_B;
849
850 c->ic_freq = ieee80211_ieee2mhz(i, flags);
851 c->ic_ieee = i;
852 c->ic_flags = flags;
853
854 c = &ic->ic_channels[ic->ic_nchans++];
855 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
856
857 c->ic_freq = ieee80211_ieee2mhz(i, flags);
858 c->ic_ieee = i;
859 c->ic_flags = flags;
860
861 c = &ic->ic_channels[ic->ic_nchans++];
862 flags = IEEE80211_CHAN_G;
863
864 c->ic_freq = ieee80211_ieee2mhz(i, flags);
865 c->ic_ieee = i;
866 c->ic_flags = flags;
867
868 c = &ic->ic_channels[ic->ic_nchans++];
869 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
870
871 c->ic_freq = ieee80211_ieee2mhz(i, flags);
872 c->ic_ieee = i;
873 c->ic_flags = flags;
874 }
875
876 /* set supported channels for 5GHz band */
877
878 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
879 sc->rf_rev == RT2860_EEPROM_RF_2750)
880 {
881 for (i = 36; i <= 64; i += 4)
882 {
883 c = &ic->ic_channels[ic->ic_nchans++];
884 flags = IEEE80211_CHAN_A;
885
886 c->ic_freq = ieee80211_ieee2mhz(i, flags);
887 c->ic_ieee = i;
888 c->ic_flags = flags;
889
890 c = &ic->ic_channels[ic->ic_nchans++];
891 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
892
893 c->ic_freq = ieee80211_ieee2mhz(i, flags);
894 c->ic_ieee = i;
895 c->ic_flags = flags;
896 }
897
898 for (i = 100; i <= 140; i += 4)
899 {
900 c = &ic->ic_channels[ic->ic_nchans++];
901 flags = IEEE80211_CHAN_A;
902
903 c->ic_freq = ieee80211_ieee2mhz(i, flags);
904 c->ic_ieee = i;
905 c->ic_flags = flags;
906
907 c = &ic->ic_channels[ic->ic_nchans++];
908 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
909
910 c->ic_freq = ieee80211_ieee2mhz(i, flags);
911 c->ic_ieee = i;
912 c->ic_flags = flags;
913 }
914
915 for (i = 149; i <= 165; i += 4)
916 {
917 c = &ic->ic_channels[ic->ic_nchans++];
918 flags = IEEE80211_CHAN_A;
919
920 c->ic_freq = ieee80211_ieee2mhz(i, flags);
921 c->ic_ieee = i;
922 c->ic_flags = flags;
923
924 c = &ic->ic_channels[ic->ic_nchans++];
925 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
926
927 c->ic_freq = ieee80211_ieee2mhz(i, flags);
928 c->ic_ieee = i;
929 c->ic_flags = flags;
930 }
931 }
932 }
933
934 /*
935 * rt2860_init_channels_ht40
936 */
937 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
938 {
939 struct ieee80211com *ic;
940 struct ieee80211_channel *c, *cent, *ext;
941 int i, flags;
942
943 ic = &sc->ic;
944
945 /* set supported channels for 2GHz band */
946
947 for (i = 1; i <= 14; i++)
948 {
949 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
950
951 /* find the center channel */
952
953 cent = ieee80211_find_channel_byieee(ic, i,
954 flags & ~IEEE80211_CHAN_HT);
955 if (cent == NULL)
956 {
957 printf("%s: skip channel %d, could not find center channel\n",
958 device_get_nameunit(sc->dev), i);
959 continue;
960 }
961
962 /* find the extension channel */
963
964 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
965 flags & ~IEEE80211_CHAN_HT);
966 if (ext == NULL)
967 {
968 printf("%s: skip channel %d, could not find extension channel\n",
969 device_get_nameunit(sc->dev), i);
970 continue;
971 }
972
973 c = &ic->ic_channels[ic->ic_nchans++];
974
975 *c = *cent;
976 c->ic_extieee = ext->ic_ieee;
977 c->ic_flags &= ~IEEE80211_CHAN_HT;
978 c->ic_flags |= IEEE80211_CHAN_HT40U;
979
980 c = &ic->ic_channels[ic->ic_nchans++];
981
982 *c = *ext;
983 c->ic_extieee = cent->ic_ieee;
984 c->ic_flags &= ~IEEE80211_CHAN_HT;
985 c->ic_flags |= IEEE80211_CHAN_HT40D;
986 }
987
988 /* set supported channels for 5GHz band */
989
990 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
991 sc->rf_rev == RT2860_EEPROM_RF_2750)
992 {
993 for (i = 36; i <= 64; i += 4)
994 {
995 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
996
997 /* find the center channel */
998
999 cent = ieee80211_find_channel_byieee(ic, i,
1000 flags & ~IEEE80211_CHAN_HT);
1001 if (cent == NULL)
1002 {
1003 printf("%s: skip channel %d, could not find center channel\n",
1004 device_get_nameunit(sc->dev), i);
1005 continue;
1006 }
1007
1008 /* find the extension channel */
1009
1010 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1011 flags & ~IEEE80211_CHAN_HT);
1012 if (ext == NULL)
1013 {
1014 printf("%s: skip channel %d, could not find extension channel\n",
1015 device_get_nameunit(sc->dev), i);
1016 continue;
1017 }
1018
1019 c = &ic->ic_channels[ic->ic_nchans++];
1020
1021 *c = *cent;
1022 c->ic_extieee = ext->ic_ieee;
1023 c->ic_flags &= ~IEEE80211_CHAN_HT;
1024 c->ic_flags |= IEEE80211_CHAN_HT40U;
1025
1026 c = &ic->ic_channels[ic->ic_nchans++];
1027
1028 *c = *ext;
1029 c->ic_extieee = cent->ic_ieee;
1030 c->ic_flags &= ~IEEE80211_CHAN_HT;
1031 c->ic_flags |= IEEE80211_CHAN_HT40D;
1032 }
1033
1034 for (i = 100; i <= 140; i += 4)
1035 {
1036 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1037
1038 /* find the center channel */
1039
1040 cent = ieee80211_find_channel_byieee(ic, i,
1041 flags & ~IEEE80211_CHAN_HT);
1042 if (cent == NULL)
1043 {
1044 printf("%s: skip channel %d, could not find center channel\n",
1045 device_get_nameunit(sc->dev), i);
1046 continue;
1047 }
1048
1049 /* find the extension channel */
1050
1051 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1052 flags & ~IEEE80211_CHAN_HT);
1053 if (ext == NULL)
1054 {
1055 printf("%s: skip channel %d, could not find extension channel\n",
1056 device_get_nameunit(sc->dev), i);
1057 continue;
1058 }
1059
1060 c = &ic->ic_channels[ic->ic_nchans++];
1061
1062 *c = *cent;
1063 c->ic_extieee = ext->ic_ieee;
1064 c->ic_flags &= ~IEEE80211_CHAN_HT;
1065 c->ic_flags |= IEEE80211_CHAN_HT40U;
1066
1067 c = &ic->ic_channels[ic->ic_nchans++];
1068
1069 *c = *ext;
1070 c->ic_extieee = cent->ic_ieee;
1071 c->ic_flags &= ~IEEE80211_CHAN_HT;
1072 c->ic_flags |= IEEE80211_CHAN_HT40D;
1073 }
1074
1075 for (i = 149; i <= 165; i += 4)
1076 {
1077 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1078
1079 /* find the center channel */
1080
1081 cent = ieee80211_find_channel_byieee(ic, i,
1082 flags & ~IEEE80211_CHAN_HT);
1083 if (cent == NULL)
1084 {
1085 printf("%s: skip channel %d, could not find center channel\n",
1086 device_get_nameunit(sc->dev), i);
1087 continue;
1088 }
1089
1090 /* find the extension channel */
1091
1092 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1093 flags & ~IEEE80211_CHAN_HT);
1094 if (ext == NULL)
1095 {
1096 printf("%s: skip channel %d, could not find extension channel\n",
1097 device_get_nameunit(sc->dev), i);
1098 continue;
1099 }
1100
1101 c = &ic->ic_channels[ic->ic_nchans++];
1102
1103 *c = *cent;
1104 c->ic_extieee = ext->ic_ieee;
1105 c->ic_flags &= ~IEEE80211_CHAN_HT;
1106 c->ic_flags |= IEEE80211_CHAN_HT40U;
1107
1108 c = &ic->ic_channels[ic->ic_nchans++];
1109
1110 *c = *ext;
1111 c->ic_extieee = cent->ic_ieee;
1112 c->ic_flags &= ~IEEE80211_CHAN_HT;
1113 c->ic_flags |= IEEE80211_CHAN_HT40D;
1114 }
1115 }
1116 }
1117
1118 /*
1119 * rt2860_init_locked
1120 */
1121 static void rt2860_init_locked(void *priv)
1122 {
1123 struct rt2860_softc *sc;
1124 struct ieee80211com *ic;
1125 struct ifnet *ifp;
1126 int error, i, ntries;
1127 uint32_t tmp, stacnt[6];
1128
1129 sc = priv;
1130 ic = &sc->ic;
1131 ifp = ic->ic_ifp;
1132
1133 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1134 "%s: initializing\n",
1135 device_get_nameunit(sc->dev));
1136
1137 RT2860_SOFTC_ASSERT_LOCKED(sc);
1138
1139 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1140 {
1141 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1142 "%s: loading 8051 microcode\n",
1143 device_get_nameunit(sc->dev));
1144
1145 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1146 if (error != 0)
1147 {
1148 printf("%s: could not load 8051 microcode\n",
1149 device_get_nameunit(sc->dev));
1150 goto fail;
1151 }
1152
1153 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1154 "%s: 8051 microcode was successfully loaded\n",
1155 device_get_nameunit(sc->dev));
1156
1157 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1158 }
1159
1160 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1161
1162 /* disable DMA engine */
1163
1164 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1165
1166 tmp &= 0xff0;
1167 tmp |= RT2860_REG_TX_WB_DDONE;
1168
1169 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1170
1171 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1172
1173 /* PBF hardware reset */
1174
1175 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1176 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1177
1178 /* wait while DMA engine is busy */
1179
1180 for (ntries = 0; ntries < 100; ntries++)
1181 {
1182 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1183 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1184 break;
1185
1186 DELAY(1000);
1187 }
1188
1189 if (ntries == 100)
1190 {
1191 printf("%s: timeout waiting for DMA engine\n",
1192 device_get_nameunit(sc->dev));
1193 goto fail;
1194 }
1195
1196 tmp &= 0xff0;
1197 tmp |= RT2860_REG_TX_WB_DDONE;
1198
1199 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1200
1201 /* reset Rx and Tx rings */
1202
1203 tmp = RT2860_REG_RST_IDX_RX |
1204 RT2860_REG_RST_IDX_TX_MGMT |
1205 RT2860_REG_RST_IDX_TX_HCCA |
1206 RT2860_REG_RST_IDX_TX_AC3 |
1207 RT2860_REG_RST_IDX_TX_AC2 |
1208 RT2860_REG_RST_IDX_TX_AC1 |
1209 RT2860_REG_RST_IDX_TX_AC0;
1210
1211 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1212
1213 /* PBF hardware reset */
1214
1215 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1216 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1217
1218 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1219
1220 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1221 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1222 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1223
1224 /* init Tx power per rate */
1225
1226 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1227 {
1228 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1229 continue;
1230
1231 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1232 sc->txpow_rate_20mhz[i]);
1233 }
1234
1235 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1236 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1237 rt2860_def_mac[i].val);
1238
1239 /* wait while MAC is busy */
1240
1241 for (ntries = 0; ntries < 100; ntries++)
1242 {
1243 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1244 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1245 break;
1246
1247 DELAY(1000);
1248 }
1249
1250 if (ntries == 100)
1251 {
1252 printf("%s: timeout waiting for MAC\n",
1253 device_get_nameunit(sc->dev));
1254 goto fail;
1255 }
1256
1257 /* clear Host to MCU mailbox */
1258
1259 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1260 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1261
1262 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1263 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1264
1265 DELAY(1000);
1266
1267 error = rt2860_init_bbp(sc);
1268 if (error != 0)
1269 goto fail;
1270
1271 /* set up maximum buffer sizes */
1272
1273 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1274
1275 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1276
1277 /* set mac address */
1278
1279 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1280
1281 rt2860_asic_set_macaddr(sc, ic->ic_myaddr);
1282
1283 /* clear statistic registers */
1284
1285 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1286 stacnt, sizeof(stacnt));
1287
1288 /* set RTS threshold */
1289
1290 rt2860_asic_update_rtsthreshold(sc);
1291
1292 /* set Tx power */
1293
1294 rt2860_asic_update_txpower(sc);
1295
1296 /* set up protection mode */
1297
1298 rt2860_asic_updateprot(sc);
1299
1300 /* clear key tables */
1301
1302 rt2860_asic_clear_keytables(sc);
1303
1304 /* clear beacon frame space (entries = 8, entry size = 512) */
1305
1306 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1307
1308 taskqueue_unblock(sc->taskqueue);
1309
1310 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1311
1312 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1313 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1314
1315 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1316 {
1317 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1318 sc->tx_ring[i].desc_phys_addr);
1319 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1320 RT2860_SOFTC_TX_RING_DESC_COUNT);
1321 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1322 }
1323
1324 /* init Rx ring */
1325
1326 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1327
1328 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1329 sc->rx_ring.desc_phys_addr);
1330 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1331 RT2860_SOFTC_RX_RING_DATA_COUNT);
1332 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1333 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1334
1335 /* wait while DMA engine is busy */
1336
1337 for (ntries = 0; ntries < 100; ntries++)
1338 {
1339 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1340 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1341 break;
1342
1343 DELAY(1000);
1344 }
1345
1346 if (ntries == 100)
1347 {
1348 printf("%s: timeout waiting for DMA engine\n",
1349 device_get_nameunit(sc->dev));
1350 goto fail;
1351 }
1352
1353 tmp &= 0xff0;
1354 tmp |= RT2860_REG_TX_WB_DDONE;
1355
1356 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1357
1358 /* disable interrupts mitigation */
1359
1360 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1361
1362 /* send LEDs operating mode to microcontroller */
1363
1364 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1365 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1366 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1367 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1368 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1369 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1370
1371 /* turn radio LED on */
1372
1373 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1374
1375 /* write vendor-specific BBP values (from EEPROM) */
1376
1377 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1378 {
1379 if (sc->bbp_eeprom[i].reg == 0x00 ||
1380 sc->bbp_eeprom[i].reg == 0xff)
1381 continue;
1382
1383 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1384 sc->bbp_eeprom[i].val);
1385 }
1386
1387 /*
1388 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1389 if (tmp & (1 << 2))
1390 {
1391 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1392 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1393 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1394
1395 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1396 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1397 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1398 }
1399 */
1400
1401 /* disable non-existing Rx chains */
1402
1403 tmp = rt2860_io_bbp_read(sc, 3);
1404
1405 tmp &= ~((1 << 4) | (1 << 3));
1406
1407 if (sc->nrxpath == 3)
1408 tmp |= (1 << 4);
1409 else if (sc->nrxpath == 2)
1410 tmp |= (1 << 3);
1411
1412 rt2860_io_bbp_write(sc, 3, tmp);
1413
1414 /* disable non-existing Tx chains */
1415
1416 tmp = rt2860_io_bbp_read(sc, 1);
1417
1418 tmp &= ~((1 << 4) | (1 << 3));
1419
1420 if (sc->ntxpath == 2)
1421 tmp |= (1 << 4);
1422
1423 rt2860_io_bbp_write(sc, 1, tmp);
1424
1425 /* set current channel */
1426
1427 rt2860_rf_set_chan(sc, ic->ic_curchan);
1428
1429 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1430 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1431 (48 << 16) | 96);
1432
1433 if ((sc->mac_rev & 0xffff) != 0x0101)
1434 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1435
1436 /* clear pending interrupts */
1437
1438 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1439
1440 /* enable interrupts */
1441
1442 tmp = RT2860_REG_INT_TX_COHERENT |
1443 RT2860_REG_INT_RX_COHERENT |
1444 RT2860_REG_INT_GP_TIMER |
1445 RT2860_REG_INT_AUTO_WAKEUP |
1446 RT2860_REG_INT_FIFO_STA_FULL |
1447 /*
1448 RT2860_REG_INT_PRE_TBTT |
1449 RT2860_REG_INT_TBTT |
1450 */
1451 RT2860_REG_INT_TXRX_COHERENT |
1452 RT2860_REG_INT_MCU_CMD |
1453 RT2860_REG_INT_TX_MGMT_DONE |
1454 RT2860_REG_INT_TX_HCCA_DONE |
1455 RT2860_REG_INT_TX_AC3_DONE |
1456 RT2860_REG_INT_TX_AC2_DONE |
1457 RT2860_REG_INT_TX_AC1_DONE |
1458 RT2860_REG_INT_TX_AC0_DONE |
1459 RT2860_REG_INT_RX_DONE;
1460
1461 sc->intr_enable_mask = tmp;
1462
1463 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1464
1465 if (rt2860_txrx_enable(sc) != 0)
1466 goto fail;
1467
1468 /* clear garbage interrupts */
1469
1470 tmp = rt2860_io_mac_read(sc, 0x1300);
1471
1472 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1473 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1474
1475 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1476 {
1477 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1478 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1479 }
1480 else
1481 {
1482 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1483 }
1484
1485 sc->periodic_round = 0;
1486
1487 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1488
1489 return;
1490
1491 fail:
1492
1493 rt2860_stop_locked(sc);
1494 }
1495
1496 /*
1497 * rt2860_init
1498 */
1499 static void rt2860_init(void *priv)
1500 {
1501 struct rt2860_softc *sc;
1502
1503 sc = priv;
1504
1505 RT2860_SOFTC_LOCK(sc);
1506
1507 rt2860_init_locked(sc);
1508
1509 RT2860_SOFTC_UNLOCK(sc);
1510 }
1511
1512 /*
1513 * rt2860_init_bbp
1514 */
1515 static int rt2860_init_bbp(struct rt2860_softc *sc)
1516 {
1517 int ntries, i;
1518 uint8_t tmp;
1519
1520 for (ntries = 0; ntries < 20; ntries++)
1521 {
1522 tmp = rt2860_io_bbp_read(sc, 0);
1523 if (tmp != 0x00 && tmp != 0xff)
1524 break;
1525 }
1526
1527 if (tmp == 0x00 || tmp == 0xff)
1528 {
1529 printf("%s: timeout waiting for BBP to wakeup\n",
1530 device_get_nameunit(sc->dev));
1531 return ETIMEDOUT;
1532 }
1533
1534 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1535 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1536 rt2860_def_bbp[i].val);
1537
1538 if ((sc->mac_rev & 0xffff) != 0x0101)
1539 rt2860_io_bbp_write(sc, 84, 0x19);
1540
1541 return 0;
1542 }
1543
1544 /*
1545 * rt2860_stop_locked
1546 */
1547 static void rt2860_stop_locked(void *priv)
1548 {
1549 struct rt2860_softc *sc;
1550 struct ieee80211com *ic;
1551 struct ifnet *ifp;
1552 uint32_t tmp;
1553
1554 sc = priv;
1555 ic = &sc->ic;
1556 ifp = ic->ic_ifp;
1557
1558 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1559 "%s: stopping\n",
1560 device_get_nameunit(sc->dev));
1561
1562 RT2860_SOFTC_ASSERT_LOCKED(sc);
1563
1564 sc->tx_timer = 0;
1565
1566 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1567 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1568
1569 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1570
1571 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1572
1573 callout_stop(&sc->periodic_ch);
1574 callout_stop(&sc->tx_watchdog_ch);
1575
1576 RT2860_SOFTC_UNLOCK(sc);
1577
1578 taskqueue_block(sc->taskqueue);
1579
1580 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1581 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1582 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1583 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1584
1585 RT2860_SOFTC_LOCK(sc);
1586
1587 /* clear key tables */
1588
1589 rt2860_asic_clear_keytables(sc);
1590
1591 /* disable interrupts */
1592
1593 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1594
1595 /* disable Tx/Rx */
1596
1597 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1598
1599 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1600
1601 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1602
1603 /* reset adapter */
1604
1605 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1606 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1607 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1608 }
1609
1610 /*
1611 * rt2860_stop
1612 */
1613 static void rt2860_stop(void *priv)
1614 {
1615 struct rt2860_softc *sc;
1616
1617 sc = priv;
1618
1619 RT2860_SOFTC_LOCK(sc);
1620
1621 rt2860_stop_locked(sc);
1622
1623 RT2860_SOFTC_UNLOCK(sc);
1624 }
1625
1626 /*
1627 * rt2860_start
1628 */
1629 static void rt2860_start(struct ifnet *ifp)
1630 {
1631 struct rt2860_softc *sc;
1632 struct ieee80211com *ic;
1633 struct ieee80211_node *ni;
1634 struct ether_header *eh;
1635 struct mbuf *m;
1636 int qid;
1637
1638 sc = ifp->if_softc;
1639 ic = &sc->ic;
1640
1641 RT2860_SOFTC_LOCK(sc);
1642
1643 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1644 {
1645 RT2860_SOFTC_UNLOCK(sc);
1646 return;
1647 }
1648
1649 for (;;)
1650 {
1651 IF_POLL(&ic->ic_mgtq, m);
1652 if (m != NULL)
1653 {
1654 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1655 {
1656 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1657 "%s: if_start: Tx ring with qid=%d is full\n",
1658 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1659
1660 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1661
1662 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1663
1664 break;
1665 }
1666
1667 IF_DEQUEUE(&ic->ic_mgtq, m);
1668
1669 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1670 m->m_pkthdr.rcvif = NULL;
1671
1672 if (bpf_peers_present(ic->ic_rawbpf))
1673 bpf_mtap(ic->ic_rawbpf, m);
1674
1675 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1676 break;
1677
1678 rt2860_drain_fifo_stats(sc);
1679 }
1680 else
1681 {
1682 if (ic->ic_state != IEEE80211_S_RUN)
1683 break;
1684
1685 IF_POLL(&ifp->if_snd, m);
1686 if (m == NULL)
1687 break;
1688
1689 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1690
1691 if (ic->ic_flags & IEEE80211_F_SCAN)
1692 ieee80211_cancel_scan(ic);
1693
1694 if (m->m_len < sizeof(struct ether_header) &&
1695 !(m = m_pullup(m, sizeof (struct ether_header))))
1696 continue;
1697
1698 eh = mtod(m, struct ether_header *);
1699
1700 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1701 if (ni == NULL)
1702 {
1703 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1704 "%s: if_start: could not find Tx node\n",
1705 device_get_nameunit(sc->dev));
1706
1707 m_freem(m);
1708 continue;
1709 }
1710
1711 ieee80211_classify(ic, m, ni);
1712
1713 qid = M_WME_GETAC(m);
1714
1715 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1716 {
1717 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1718 "%s: if_start: Tx ring with qid=%d is full\n",
1719 device_get_nameunit(sc->dev), qid);
1720
1721 m_freem(m);
1722 ieee80211_free_node(ni);
1723
1724 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1725 ifp->if_oerrors++;
1726
1727 sc->tx_data_queue_full[qid]++;
1728
1729 break;
1730 }
1731
1732 BPF_MTAP(ifp, m);
1733
1734 m = ieee80211_encap(ic, m, ni);
1735 if (m == NULL)
1736 {
1737 ieee80211_free_node(ni);
1738 ifp->if_oerrors++;
1739 continue;
1740 }
1741
1742 if (bpf_peers_present(ic->ic_rawbpf))
1743 bpf_mtap(ic->ic_rawbpf, m);
1744
1745 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1746 {
1747 ieee80211_free_node(ni);
1748
1749 ifp->if_oerrors++;
1750
1751 break;
1752 }
1753
1754 rt2860_drain_fifo_stats(sc);
1755 }
1756
1757 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1758
1759 ic->ic_lastdata = ticks;
1760
1761 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1762 }
1763
1764 RT2860_SOFTC_UNLOCK(sc);
1765 }
1766
1767 /*
1768 * rt2860_ioctl
1769 */
1770 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1771 {
1772 struct rt2860_softc *sc;
1773 struct ieee80211com *ic;
1774 int error;
1775
1776 sc = ifp->if_softc;
1777 ic = &sc->ic;
1778
1779 error = 0;
1780
1781 switch (cmd)
1782 {
1783 case SIOCSIFFLAGS:
1784 RT2860_SOFTC_LOCK(sc);
1785
1786 if (ifp->if_flags & IFF_UP)
1787 {
1788 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1789 {
1790 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1791 rt2860_asic_update_promisc(sc);
1792 }
1793 else
1794 {
1795 rt2860_init_locked(sc);
1796 }
1797 }
1798 else
1799 {
1800 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1801 rt2860_stop_locked(sc);
1802 }
1803
1804 sc->if_flags = ifp->if_flags;
1805
1806 RT2860_SOFTC_UNLOCK(sc);
1807 break;
1808
1809 default:
1810 error = ieee80211_ioctl(ic, cmd, data);
1811 }
1812
1813 if (error == ENETRESET)
1814 {
1815 RT2860_SOFTC_LOCK(sc);
1816
1817 if ((ifp->if_flags & IFF_UP) &&
1818 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1819 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1820 {
1821 rt2860_stop_locked(sc);
1822 rt2860_init_locked(sc);
1823 }
1824
1825 RT2860_SOFTC_UNLOCK(sc);
1826
1827 error = 0;
1828 }
1829
1830 return error;
1831 }
1832
1833 /*
1834 * rt2860_reset
1835 */
1836 static int rt2860_reset(struct ifnet *ifp)
1837 {
1838 struct rt2860_softc *sc;
1839 struct ieee80211com *ic;
1840
1841 sc = ifp->if_softc;
1842 ic = &sc->ic;
1843
1844 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1845 return ENETRESET;
1846
1847 rt2860_rf_set_chan(sc, ic->ic_curchan);
1848
1849 return 0;
1850 }
1851
1852 /*
1853 * rt2860_newstate
1854 */
1855 static int rt2860_newstate(struct ieee80211com *ic,
1856 enum ieee80211_state nstate, int arg)
1857 {
1858 struct rt2860_softc *sc;
1859 struct ifnet *ifp;
1860 struct ieee80211_node *ni;
1861 int error;
1862
1863 ifp = ic->ic_ifp;
1864 sc = ifp->if_softc;
1865
1866 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1867 "%s: newstate: %s -> %s\n",
1868 device_get_nameunit(sc->dev),
1869 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1870
1871 error = sc->newstate(ic, nstate, arg);
1872 if (error != 0)
1873 return error;
1874
1875 RT2860_SOFTC_LOCK(sc);
1876
1877 /* turn link LED off */
1878
1879 if (nstate != IEEE80211_S_RUN)
1880 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1881
1882 switch (nstate)
1883 {
1884 case IEEE80211_S_INIT:
1885 rt2860_asic_disable_tsf_sync(sc);
1886 break;
1887
1888 case IEEE80211_S_RUN:
1889 ni = ic->ic_bss;
1890
1891 rt2860_rf_set_chan(sc, ni->ni_chan);
1892
1893 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1894 {
1895 rt2860_asic_enable_mrr(sc);
1896 rt2860_asic_set_txpreamble(sc);
1897 rt2860_asic_set_basicrates(sc);
1898 rt2860_asic_update_txpower(sc);
1899 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1900 }
1901
1902 if (ic->ic_opmode == IEEE80211_M_STA)
1903 rt2860_newassoc(ni, 1);
1904
1905 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1906 ic->ic_opmode == IEEE80211_M_IBSS)
1907 {
1908 error = rt2860_asic_update_beacon(sc);
1909 if (error != 0)
1910 break;
1911 }
1912
1913 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1914 rt2860_asic_enable_tsf_sync(sc);
1915
1916 /* turn link LED on */
1917
1918 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1919 {
1920 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1921 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1922 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1923 }
1924 break;
1925
1926 default:
1927 break;
1928 }
1929
1930 RT2860_SOFTC_UNLOCK(sc);
1931
1932 return error;
1933 }
1934
1935 /*
1936 * rt2860_scan_start
1937 */
1938 static void rt2860_scan_start(struct ieee80211com *ic)
1939 {
1940 struct rt2860_softc *sc;
1941 struct ifnet *ifp;
1942
1943 ifp = ic->ic_ifp;
1944 sc = ifp->if_softc;
1945
1946 rt2860_asic_disable_tsf_sync(sc);
1947 }
1948
1949 /*
1950 * rt2860_scan_end
1951 */
1952 static void rt2860_scan_end(struct ieee80211com *ic)
1953 {
1954 struct rt2860_softc *sc;
1955 struct ifnet *ifp;
1956
1957 ifp = ic->ic_ifp;
1958 sc = ifp->if_softc;
1959
1960 rt2860_asic_enable_tsf_sync(sc);
1961 }
1962
1963 /*
1964 * rt2860_set_channel
1965 */
1966 static void rt2860_set_channel(struct ieee80211com *ic)
1967 {
1968 struct rt2860_softc *sc;
1969 struct ifnet *ifp;
1970
1971 ifp = ic->ic_ifp;
1972 sc = ifp->if_softc;
1973
1974 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
1975 "%s: set channel: channel=%u, HT%s%s\n",
1976 device_get_nameunit(sc->dev),
1977 ieee80211_chan2ieee(ic, ic->ic_curchan),
1978 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
1979 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
1980 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
1981 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
1982
1983 RT2860_SOFTC_LOCK(sc);
1984
1985 rt2860_rf_set_chan(sc, ic->ic_curchan);
1986
1987 RT2860_SOFTC_UNLOCK(sc);
1988 }
1989
1990 /*
1991 * rt2860_newassoc
1992 */
1993 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
1994 {
1995 struct rt2860_softc *sc;
1996 struct ieee80211com *ic;
1997 struct ifnet *ifp;
1998 uint16_t associd;
1999 uint8_t wcid;
2000
2001 ic = ni->ni_ic;
2002 ifp = ic->ic_ifp;
2003 sc = ifp->if_softc;
2004
2005 associd = (ni != NULL) ? ni->ni_associd : 0;
2006 wcid = RT2860_AID2WCID(associd);
2007
2008 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2009 "%s: new association: wcid=0x%02x, "
2010 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2011 device_get_nameunit(sc->dev), wcid,
2012 ether_sprintf(ni->ni_macaddr),
2013 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2014 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2015 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2016
2017 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2018 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2019
2020 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2021
2022 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2023 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2024 device_get_nameunit(sc->dev),
2025 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2026 ni->ni_associd,
2027 (ni->ni_flags & IEEE80211_NODE_HT) ?
2028 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2029 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2030 (ni->ni_flags & IEEE80211_NODE_HT) ?
2031 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2032 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2033
2034 rt2860_asic_updateprot(sc);
2035 rt2860_asic_updateslot(sc);
2036 rt2860_asic_set_txpreamble(sc);
2037 }
2038
2039 /*
2040 * rt2860_updateslot
2041 */
2042 static void rt2860_updateslot(struct ifnet *ifp)
2043 {
2044 struct rt2860_softc *sc;
2045
2046 sc = ifp->if_softc;
2047
2048 rt2860_asic_updateslot(sc);
2049 }
2050
2051 /*
2052 * rt2860_wme_update
2053 */
2054 static int rt2860_wme_update(struct ieee80211com *ic)
2055 {
2056 struct rt2860_softc *sc;
2057 struct ifnet *ifp;
2058
2059 ifp = ic->ic_ifp;
2060 sc = ifp->if_softc;
2061
2062 rt2860_asic_wme_update(sc);
2063
2064 return 0;
2065 }
2066
2067 /*
2068 * rt2860_update_beacon
2069 */
2070 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2071 {
2072 struct rt2860_softc *sc;
2073 struct ifnet *ifp;
2074
2075 ifp = ic->ic_ifp;
2076 sc = ifp->if_softc;
2077
2078 rt2860_asic_update_beacon(sc);
2079 }
2080
2081 /*
2082 * rt2860_key_update_begin
2083 */
2084 static void rt2860_key_update_begin(struct ieee80211com *ic)
2085 {
2086 struct rt2860_softc *sc;
2087 struct ifnet *ifp;
2088
2089 ifp = ic->ic_ifp;
2090 sc = ifp->if_softc;
2091
2092 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2093 "%s: key update begin\n",
2094 device_get_nameunit(sc->dev));
2095
2096 taskqueue_block(sc->taskqueue);
2097
2098 IF_LOCK(&ifp->if_snd);
2099 }
2100
2101 /*
2102 * rt2860_key_update_end
2103 */
2104 static void rt2860_key_update_end(struct ieee80211com *ic)
2105 {
2106 struct rt2860_softc *sc;
2107 struct ifnet *ifp;
2108
2109 ifp = ic->ic_ifp;
2110 sc = ifp->if_softc;
2111
2112 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2113 "%s: key update end\n",
2114 device_get_nameunit(sc->dev));
2115
2116 IF_UNLOCK(&ifp->if_snd);
2117
2118 taskqueue_unblock(sc->taskqueue);
2119 }
2120
2121 /*
2122 * rt2860_key_set
2123 */
2124 static int rt2860_key_set(struct ieee80211com *ic,
2125 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2126 {
2127 struct rt2860_softc *sc;
2128 struct ifnet *ifp;
2129 struct ieee80211_node *ni;
2130 uint16_t associd, key_base, keymode_base;
2131 uint8_t mode, vapid, wcid, iv[8];
2132 uint32_t tmp;
2133
2134 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2135 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2136 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2137 return EINVAL;
2138
2139 ifp = ic->ic_ifp;
2140 sc = ifp->if_softc;
2141
2142 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2143 ni = ic->ic_bss;
2144 else
2145 ni = ieee80211_find_node(&ic->ic_sta, mac);
2146
2147 associd = (ni != NULL) ? ni->ni_associd : 0;
2148
2149 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2150 ieee80211_free_node(ni);
2151
2152 switch (k->wk_cipher->ic_cipher)
2153 {
2154 case IEEE80211_CIPHER_WEP:
2155 if(k->wk_keylen < 8)
2156 mode = RT2860_REG_CIPHER_MODE_WEP40;
2157 else
2158 mode = RT2860_REG_CIPHER_MODE_WEP104;
2159 break;
2160
2161 case IEEE80211_CIPHER_TKIP:
2162 mode = RT2860_REG_CIPHER_MODE_TKIP;
2163 break;
2164
2165 case IEEE80211_CIPHER_AES_CCM:
2166 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2167 break;
2168
2169 default:
2170 return EINVAL;
2171 }
2172
2173 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2174 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2175 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2176 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2177
2178 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2179 {
2180 /* install pairwise key */
2181
2182 vapid = 0;
2183 wcid = RT2860_AID2WCID(associd);
2184 key_base = RT2860_REG_PKEY(wcid);
2185
2186 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2187 {
2188 memset(iv, 0, 8);
2189
2190 iv[3] = (k->wk_keyix << 6);
2191 }
2192 else
2193 {
2194 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2195 {
2196 iv[0] = (k->wk_keytsc >> 8);
2197 iv[1] = ((iv[0] | 0x20) & 0x7f);
2198 iv[2] = k->wk_keytsc;
2199 }
2200 else
2201 {
2202 /* AES CCMP */
2203
2204 iv[0] = k->wk_keytsc;
2205 iv[1] = k->wk_keytsc >> 8;
2206 iv[2] = 0;
2207 }
2208
2209 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2210 iv[4] = (k->wk_keytsc >> 16);
2211 iv[5] = (k->wk_keytsc >> 24);
2212 iv[6] = (k->wk_keytsc >> 32);
2213 iv[7] = (k->wk_keytsc >> 40);
2214
2215 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2216 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2217 device_get_nameunit(sc->dev),
2218 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2219 }
2220
2221 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2222
2223 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2224 {
2225 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2226
2227 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2228 {
2229 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2230 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2231 }
2232 else
2233 {
2234 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2235 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2236 }
2237 }
2238 else
2239 {
2240 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2241 }
2242
2243 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2244 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2245
2246 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2247 }
2248
2249 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2250 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2251 {
2252 /* install group key */
2253
2254 vapid = 0;
2255 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2256 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2257
2258 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2259 {
2260 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2261
2262 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2263 {
2264 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2265 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2266 }
2267 else
2268 {
2269 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2270 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2271 }
2272 }
2273 else
2274 {
2275 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2276 }
2277
2278 tmp = rt2860_io_mac_read(sc, keymode_base);
2279
2280 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2281 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2282
2283 rt2860_io_mac_write(sc, keymode_base, tmp);
2284 }
2285
2286 return 1;
2287 }
2288
2289 /*
2290 * rt2860_key_delete
2291 */
2292 static int rt2860_key_delete(struct ieee80211com *ic,
2293 const struct ieee80211_key *k)
2294 {
2295 struct rt2860_softc *sc;
2296 struct ieee80211_node *ni;
2297 uint16_t associd;
2298 uint8_t vapid, wcid;
2299 uint32_t tmp;
2300
2301 sc = ic->ic_ifp->if_softc;
2302 ni = ic->ic_bss;
2303 associd = (ni != NULL) ? ni->ni_associd : 0;
2304
2305 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2306 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2307 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2308 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2309
2310 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2311 {
2312 /* remove pairwise key */
2313
2314 vapid = 0;
2315 wcid = RT2860_AID2WCID(associd);
2316
2317 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2318 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2319
2320 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2321 }
2322 else
2323 {
2324 /* remove group key */
2325
2326 vapid = 0;
2327
2328 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2329
2330 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2331 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2332
2333 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2334 }
2335
2336 return 1;
2337 }
2338
2339 /*
2340 * rt2860_raw_xmit
2341 */
2342 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2343 const struct ieee80211_bpf_params *params)
2344 {
2345 return 0;
2346 }
2347
2348 /*
2349 * rt2860_media_change
2350 */
2351 static int rt2860_media_change(struct ifnet *ifp)
2352 {
2353 struct rt2860_softc *sc;
2354 int error;
2355
2356 sc = ifp->if_softc;
2357
2358 error = ieee80211_media_change(ifp);
2359 if (error != ENETRESET)
2360 return error;
2361
2362 RT2860_SOFTC_LOCK(sc);
2363
2364 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2365 {
2366 rt2860_stop_locked(sc);
2367 rt2860_init_locked(sc);
2368 }
2369
2370 RT2860_SOFTC_UNLOCK(sc);
2371
2372 return 0;
2373 }
2374
2375 /*
2376 * rt2860_recv_action
2377 */
2378 static void rt2860_recv_action(struct ieee80211_node *ni,
2379 const uint8_t *frm, const uint8_t *efrm)
2380 {
2381 struct rt2860_softc *sc;
2382 struct ieee80211com *ic;
2383 struct ifnet *ifp;
2384 const struct ieee80211_action *ia;
2385 uint16_t associd, status, baparamset;
2386 uint8_t wcid;
2387 int tid, bufsize;
2388 uint32_t tmp;
2389
2390 ic = ni->ni_ic;
2391 ifp = ic->ic_ifp;
2392 sc = ifp->if_softc;
2393
2394 ia = (const struct ieee80211_action *) frm;
2395
2396 sc->recv_action(ni, frm, efrm);
2397
2398 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2399 return;
2400
2401 associd = (ni != NULL) ? ni->ni_associd : 0;
2402 wcid = RT2860_AID2WCID(associd);
2403
2404 switch (ia->ia_action)
2405 {
2406 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2407 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2408 baparamset = LE_READ_2(frm + 3);
2409 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2410 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2411
2412 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2413 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2414 device_get_nameunit(sc->dev), associd, tid, bufsize);
2415
2416 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2417
2418 tmp |= (0x10000 << tid);
2419
2420 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2421 break;
2422
2423 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2424 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2425 status = LE_READ_2(frm + 3);
2426 baparamset = LE_READ_2(frm + 4);
2427 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2428 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2429
2430 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2431 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2432 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2433
2434 if (status == IEEE80211_STATUS_SUCCESS)
2435 {
2436 sc->tx_ampdu_sessions++;
2437
2438 rt2860_asic_updateprot(sc);
2439 }
2440 break;
2441
2442 /* IEEE80211_ACTION_BA_DELBA */
2443 case IEEE80211_ACTION_BA_DELBA:
2444 baparamset = LE_READ_2(frm + 2);
2445 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2446
2447 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2448 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2449 device_get_nameunit(sc->dev), associd, tid);
2450
2451 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2452
2453 tmp &= ~(0x10000 << tid);
2454
2455 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2456 break;
2457 }
2458 }
2459
2460 /*
2461 * rt2860_send_action
2462 */
2463 static int rt2860_send_action(struct ieee80211_node *ni,
2464 int category, int action, uint16_t args[4])
2465 {
2466 struct rt2860_softc *sc;
2467 struct ieee80211com *ic;
2468 struct ifnet *ifp;
2469 uint16_t associd, baparamset;
2470 uint8_t wcid;
2471 int ret, tid;
2472 uint32_t tmp;
2473
2474 ic = ni->ni_ic;
2475 ifp = ic->ic_ifp;
2476 sc = ifp->if_softc;
2477
2478 ret = sc->send_action(ni, category, action, args);
2479
2480 if (category != IEEE80211_ACTION_CAT_BA)
2481 return ret;
2482
2483 associd = (ni != NULL) ? ni->ni_associd : 0;
2484 wcid = RT2860_AID2WCID(associd);
2485
2486 switch (action)
2487 {
2488 /* IEEE80211_ACTION_BA_DELBA */
2489 case IEEE80211_ACTION_BA_DELBA:
2490 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2491
2492 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2493
2494 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2495 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2496 device_get_nameunit(sc->dev), associd, tid);
2497
2498 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2499 {
2500 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2501
2502 tmp &= ~(0x10000 << tid);
2503
2504 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2505 }
2506 else
2507 {
2508 sc->tx_ampdu_sessions--;
2509
2510 rt2860_asic_updateprot(sc);
2511 }
2512 break;
2513 }
2514
2515 return ret;
2516 }
2517
2518 /*
2519 * rt2860_amrr_update_iter_func
2520 */
2521 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2522 {
2523 struct rt2860_softc *sc;
2524 struct ieee80211com *ic;
2525 uint8_t wcid;
2526
2527 sc = arg;
2528 ic = &sc->ic;
2529
2530 /* only associated stations */
2531
2532 if (ni->ni_associd != 0)
2533 {
2534 wcid = RT2860_AID2WCID(ni->ni_associd);
2535
2536 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2537 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2538 device_get_nameunit(sc->dev),
2539 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2540
2541 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2542
2543 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2544 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2545 device_get_nameunit(sc->dev),
2546 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2547 ni->ni_associd,
2548 (ni->ni_flags & IEEE80211_NODE_HT) ?
2549 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2550 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2551 (ni->ni_flags & IEEE80211_NODE_HT) ?
2552 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2553 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2554 }
2555 }
2556
2557 /*
2558 * rt2860_periodic
2559 */
2560 static void rt2860_periodic(void *arg)
2561 {
2562 struct rt2860_softc *sc;
2563
2564 sc = arg;
2565
2566 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2567 "%s: periodic\n",
2568 device_get_nameunit(sc->dev));
2569
2570 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2571 }
2572
2573 /*
2574 * rt2860_tx_watchdog
2575 */
2576 static void rt2860_tx_watchdog(void *arg)
2577 {
2578 struct rt2860_softc *sc;
2579 struct ifnet *ifp;
2580
2581 sc = arg;
2582 ifp = sc->ifp;
2583
2584 if (sc->tx_timer == 0)
2585 return;
2586
2587 if (--sc->tx_timer == 0)
2588 {
2589 printf("%s: Tx watchdog timeout: resetting\n",
2590 device_get_nameunit(sc->dev));
2591
2592 rt2860_stop_locked(sc);
2593 rt2860_init_locked(sc);
2594
2595 ifp->if_oerrors++;
2596
2597 sc->tx_watchdog_timeouts++;
2598 }
2599
2600 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2601 }
2602
2603 /*
2604 * rt2860_asic_set_bssid
2605 */
2606 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2607 const uint8_t *bssid)
2608 {
2609 uint32_t tmp;
2610
2611 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2612 "%s: set bssid: bssid=%s\n",
2613 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2614
2615 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2616
2617 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2618
2619 tmp = bssid[4] | (bssid[5] << 8);
2620
2621 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2622 }
2623
2624 /*
2625 * rt2860_asic_set_macaddr
2626 */
2627 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2628 const uint8_t *addr)
2629 {
2630 uint32_t tmp;
2631
2632 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2633
2634 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2635
2636 tmp = addr[4] | (addr[5] << 8);
2637
2638 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2639 }
2640
2641 /*
2642 * rt2860_asic_enable_tsf_sync
2643 */
2644 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2645 {
2646 struct ieee80211com *ic;
2647 uint32_t tmp;
2648
2649 ic = &sc->ic;
2650
2651 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2652 "%s: enabling TSF\n",
2653 device_get_nameunit(sc->dev));
2654
2655 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2656
2657 tmp &= ~0x1fffff;
2658 tmp |= ic->ic_bss->ni_intval * 16;
2659 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2660
2661 if (ic->ic_opmode == IEEE80211_M_STA)
2662 {
2663 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2664 }
2665 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2666 {
2667 tmp |= RT2860_REG_BCN_TX_ENABLE;
2668 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2669 }
2670 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2671 {
2672 tmp |= RT2860_REG_BCN_TX_ENABLE;
2673 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2674 }
2675
2676 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2677 }
2678
2679 /*
2680 * rt2860_asic_disable_tsf_sync
2681 */
2682 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2683 {
2684 uint32_t tmp;
2685
2686 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2687 "%s: disabling TSF\n",
2688 device_get_nameunit(sc->dev));
2689
2690 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2691
2692 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2693 RT2860_REG_TSF_TIMER_ENABLE |
2694 RT2860_REG_TBTT_TIMER_ENABLE);
2695
2696 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2697 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2698
2699 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2700 }
2701
2702 /*
2703 * rt2860_asic_enable_mrr
2704 */
2705 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2706 {
2707 #define CCK(mcs) (mcs)
2708 #define OFDM(mcs) ((1 << 3) | (mcs))
2709 #define HT(mcs) (mcs)
2710
2711 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2712 (OFDM(6) << 28) | /* 54 -> 48 */
2713 (OFDM(5) << 24) | /* 48 -> 36 */
2714 (OFDM(4) << 20) | /* 36 -> 24 */
2715 (OFDM(3) << 16) | /* 24 -> 18 */
2716 (OFDM(2) << 12) | /* 18 -> 12 */
2717 (OFDM(1) << 8) | /* 12 -> 9 */
2718 (OFDM(0) << 4) | /* 9 -> 6 */
2719 OFDM(0)); /* 6 -> 6 */
2720
2721 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2722 (CCK(2) << 12) | /* 11 -> 5.5 */
2723 (CCK(1) << 8) | /* 5.5 -> 2 */
2724 (CCK(0) << 4) | /* 2 -> 1 */
2725 CCK(0)); /* 1 -> 1 */
2726
2727 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2728 (HT(6) << 28) |
2729 (HT(5) << 24) |
2730 (HT(4) << 20) |
2731 (HT(3) << 16) |
2732 (HT(2) << 12) |
2733 (HT(1) << 8) |
2734 (HT(0) << 4) |
2735 HT(0));
2736
2737 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2738 (HT(14) << 28) |
2739 (HT(13) << 24) |
2740 (HT(12) << 20) |
2741 (HT(11) << 16) |
2742 (HT(10) << 12) |
2743 (HT(9) << 8) |
2744 (HT(8) << 4) |
2745 HT(7));
2746
2747 #undef HT
2748 #undef OFDM
2749 #undef CCK
2750 }
2751
2752 /*
2753 * rt2860_asic_set_txpreamble
2754 */
2755 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2756 {
2757 struct ieee80211com *ic;
2758 uint32_t tmp;
2759
2760 ic = &sc->ic;
2761
2762 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2763 "%s: %s short Tx preamble\n",
2764 device_get_nameunit(sc->dev),
2765 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2766
2767 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2768
2769 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2770
2771 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2772 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2773
2774 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2775 }
2776
2777 /*
2778 * rt2860_asic_set_basicrates
2779 */
2780 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2781 {
2782 struct ieee80211com *ic;
2783
2784 ic = &sc->ic;
2785
2786 if (ic->ic_curmode == IEEE80211_MODE_11B)
2787 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2788 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2789 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2790 else
2791 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2792 }
2793
2794 /*
2795 * rt2860_asic_update_rtsthreshold
2796 */
2797 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2798 {
2799 struct ieee80211com *ic;
2800 uint32_t tmp;
2801 uint16_t threshold;
2802
2803 ic = &sc->ic;
2804
2805 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2806 "%s: updating RTS threshold: %d\n",
2807 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2808
2809 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2810
2811 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2812
2813 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
2814 ic->ic_rtsthreshold : 0x1000;
2815
2816 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2817 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2818
2819 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2820 }
2821
2822 /*
2823 * rt2860_asic_update_txpower
2824 */
2825 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2826 {
2827 struct ieee80211com *ic;
2828 uint32_t *txpow_rate;
2829 int8_t delta;
2830 uint8_t val;
2831 uint32_t tmp;
2832 int i;
2833
2834 ic = &sc->ic;
2835
2836 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2837 "%s: updating Tx power: %d\n",
2838 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
2839
2840 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
2841 {
2842 txpow_rate = sc->txpow_rate_20mhz;
2843 }
2844 else
2845 {
2846 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
2847 txpow_rate = sc->txpow_rate_40mhz_2ghz;
2848 else
2849 txpow_rate = sc->txpow_rate_40mhz_5ghz;
2850 }
2851
2852 delta = 0;
2853
2854 val = rt2860_io_bbp_read(sc, 1);
2855 val &= 0xfc;
2856
2857 if (ic->ic_txpowlimit > 90)
2858 {
2859 /* do nothing */
2860 }
2861 else if (ic->ic_txpowlimit > 60)
2862 {
2863 delta -= 1;
2864 }
2865 else if (ic->ic_txpowlimit > 30)
2866 {
2867 delta -= 3;
2868 }
2869 else if (ic->ic_txpowlimit > 15)
2870 {
2871 val |= 0x1;
2872 }
2873 else if (ic->ic_txpowlimit > 9)
2874 {
2875 val |= 0x1;
2876 delta -= 3;
2877 }
2878 else
2879 {
2880 val |= 0x2;
2881 }
2882
2883 rt2860_io_bbp_write(sc, 1, val);
2884
2885 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
2886 {
2887 if (txpow_rate[i] == 0xffffffff)
2888 continue;
2889
2890 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
2891
2892 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
2893 }
2894 }
2895
2896 /*
2897 * rt2860_asic_update_promisc
2898 */
2899 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
2900 {
2901 struct ifnet *ifp;
2902 uint32_t tmp;
2903
2904 ifp = sc->ic.ic_ifp;
2905
2906 printf("%s: %s promiscuous mode\n",
2907 device_get_nameunit(sc->dev),
2908 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
2909
2910 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
2911
2912 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
2913
2914 if (!(ifp->if_flags & IFF_PROMISC))
2915 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
2916
2917 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
2918 }
2919
2920 /*
2921 * rt2860_asic_updateprot
2922 */
2923 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
2924 {
2925 struct ieee80211com *ic;
2926 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
2927 uint8_t htopmode;
2928 enum ieee80211_protmode htprotmode;
2929
2930 ic = &sc->ic;
2931
2932 /* CCK frame protection */
2933
2934 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2935 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
2936
2937 /* set up protection frame phy mode and rate (MCS code) */
2938
2939 if (ic->ic_curmode == IEEE80211_MODE_11A)
2940 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
2941 (0 << RT2860_REG_PROT_MCS_SHIFT);
2942 else
2943 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
2944 (3 << RT2860_REG_PROT_MCS_SHIFT));
2945
2946 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
2947
2948 /* OFDM frame protection */
2949
2950 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
2951 RT2860_REG_TXOP_ALLOW_ALL;
2952
2953 if (ic->ic_flags & IEEE80211_F_USEPROT)
2954 {
2955 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2956 "%s: updating protection mode: b/g protection mode=%s\n",
2957 device_get_nameunit(sc->dev),
2958 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
2959 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
2960
2961 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
2962 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
2963 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
2964 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
2965 else
2966 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2967 }
2968 else
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), "none");
2973
2974 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
2975 }
2976
2977 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
2978
2979 /* HT frame protection */
2980
2981 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
2982 htopmode = ic->ic_bss->ni_htopmode;
2983 else
2984 htopmode = ic->ic_curhtprotmode;
2985
2986 htprotmode = ic->ic_htprotmode;
2987
2988 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
2989
2990 if (sc->tx_ampdu_sessions > 0)
2991 {
2992 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2993 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
2994 device_get_nameunit(sc->dev));
2995
2996 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
2997 htprotmode = IEEE80211_PROT_RTSCTS;
2998 }
2999
3000 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3001 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3002 device_get_nameunit(sc->dev),
3003 htopmode & IEEE80211_HTINFO_OPMODE,
3004 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3005 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3006
3007 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3008 {
3009 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3010 case IEEE80211_HTINFO_OPMODE_HT20PR:
3011 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3012 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3013 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3014 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3015 (4 << RT2860_REG_PROT_MCS_SHIFT);
3016
3017 gf20_prot = mm20_prot;
3018
3019 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3020 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3021 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3022
3023 if (htprotmode == IEEE80211_PROT_RTSCTS)
3024 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3025 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3026 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3027 else
3028 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3029
3030 gf40_prot = mm40_prot;
3031 break;
3032
3033 /* IEEE80211_HTINFO_OPMODE_MIXED */
3034 case IEEE80211_HTINFO_OPMODE_MIXED:
3035 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3036 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3037 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3038
3039 if (ic->ic_flags & IEEE80211_F_USEPROT)
3040 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3041 (3 << RT2860_REG_PROT_MCS_SHIFT);
3042 else
3043 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3044 (4 << RT2860_REG_PROT_MCS_SHIFT);
3045
3046 if (htprotmode == IEEE80211_PROT_RTSCTS)
3047 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3048 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3049 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3050 else
3051 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3052
3053 gf20_prot = mm20_prot;
3054
3055 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3056
3057 if (ic->ic_flags & IEEE80211_F_USEPROT)
3058 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3059 (3 << RT2860_REG_PROT_MCS_SHIFT);
3060 else
3061 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3062 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3063
3064 if (htprotmode == IEEE80211_PROT_RTSCTS)
3065 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3066 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3067 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3068 else
3069 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3070
3071 gf40_prot = mm40_prot;
3072 break;
3073
3074 /*
3075 * IEEE80211_HTINFO_OPMODE_PURE
3076 * IEEE80211_HTINFO_OPMODE_PROTOPT
3077 */
3078 case IEEE80211_HTINFO_OPMODE_PURE:
3079 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3080 default:
3081 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3082 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3083 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3084 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3085 (4 << RT2860_REG_PROT_MCS_SHIFT);
3086
3087 gf20_prot = mm20_prot;
3088
3089 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3090 RT2860_REG_TXOP_ALLOW_ALL |
3091 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3092 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3093
3094 gf40_prot = mm40_prot;
3095 break;
3096 }
3097
3098 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3099 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3100 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3101 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3102 }
3103
3104 /*
3105 * rt2860_asic_updateslot
3106 */
3107 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3108 {
3109 struct ieee80211com *ic;
3110 uint32_t tmp;
3111
3112 ic = &sc->ic;
3113
3114 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3115 "%s: %s short slot time\n",
3116 device_get_nameunit(sc->dev),
3117 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3118
3119 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3120
3121 tmp &= ~0xff;
3122 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3123
3124 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3125 }
3126
3127 /*
3128 * rt2860_asic_wme_update
3129 */
3130 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3131 {
3132 struct ieee80211com *ic;
3133 struct ieee80211_wme_state *wme;
3134 const struct wmeParams *wmep;
3135 int i;
3136
3137 ic = &sc->ic;
3138 wme = &ic->ic_wme;
3139 wmep = wme->wme_chanParams.cap_wmeParams;
3140
3141 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3142 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3143 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3144 device_get_nameunit(sc->dev),
3145 wmep[WME_AC_VO].wmep_aifsn,
3146 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3147 wmep[WME_AC_VO].wmep_txopLimit,
3148 wmep[WME_AC_VI].wmep_aifsn,
3149 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3150 wmep[WME_AC_VI].wmep_txopLimit,
3151 wmep[WME_AC_BK].wmep_aifsn,
3152 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3153 wmep[WME_AC_BK].wmep_txopLimit,
3154 wmep[WME_AC_BE].wmep_aifsn,
3155 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3156 wmep[WME_AC_BE].wmep_txopLimit);
3157
3158 for (i = 0; i < WME_NUM_AC; i++)
3159 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3160 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3161 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3162
3163 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3164 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3165 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3166
3167 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3168 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3169 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3170
3171 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3172 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3173 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3174
3175 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3176 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3177
3178 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3179 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3180 }
3181
3182 /*
3183 * rt2860_asic_update_beacon
3184 */
3185 static int rt2860_asic_update_beacon(struct rt2860_softc *sc)
3186 {
3187 struct ieee80211com *ic;
3188 struct mbuf *m;
3189 struct rt2860_txwi txwi;
3190 uint8_t rate, mcs;
3191 uint32_t tmp;
3192
3193 ic = &sc->ic;
3194
3195 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3196 if (m == NULL)
3197 return ENOMEM;
3198
3199 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3200 mcs = rt2860_rate2mcs(rate);
3201
3202 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3203
3204 txwi.wcid = 0xff;
3205 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3206 RT2860_TXWI_MPDU_LEN_SHIFT);
3207 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3208 txwi.mpdu_density_flags |=
3209 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3210 txwi.bawin_size_xflags |=
3211 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3212
3213 if (rate == 2)
3214 {
3215 txwi.phymode_ifs_stbc_shortgi =
3216 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3217
3218 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3219 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3220 }
3221 else
3222 {
3223 txwi.phymode_ifs_stbc_shortgi =
3224 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3225 }
3226
3227 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3228 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3229
3230 /* disable temporarily TSF sync */
3231
3232 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3233
3234 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3235 RT2860_REG_TSF_TIMER_ENABLE |
3236 RT2860_REG_TBTT_TIMER_ENABLE);
3237
3238 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3239
3240 /* write Tx wireless info and beacon frame to on-chip memory */
3241
3242 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3243 &txwi, sizeof(struct rt2860_txwi));
3244
3245 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3246 mtod(m, uint8_t *), m->m_pkthdr.len);
3247
3248 /* enable again TSF sync */
3249
3250 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3251
3252 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3253 RT2860_REG_TSF_TIMER_ENABLE |
3254 RT2860_REG_TBTT_TIMER_ENABLE);
3255
3256 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3257
3258 m_freem(m);
3259
3260 return 0;
3261 }
3262
3263 /*
3264 * rt2860_asic_clear_keytables
3265 */
3266 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3267 {
3268 int i;
3269
3270 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3271
3272 for (i = 0; i < 256; i++)
3273 {
3274 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3275 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3276 }
3277
3278 /* clear WCID attribute table (entries = 256, entry size = 4) */
3279
3280 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3281
3282 /* clear IV/EIV table (entries = 256, entry size = 8) */
3283
3284 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3285
3286 /* clear pairwise key table (entries = 256, entry size = 32) */
3287
3288 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3289
3290 /* clear shared key table (entries = 32, entry size = 32) */
3291
3292 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3293
3294 /* clear shared key mode (entries = 32, entry size = 2) */
3295
3296 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3297 }
3298
3299 /*
3300 * rt2860_rxrate
3301 */
3302 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3303 {
3304 uint8_t mcs, phymode;
3305 uint8_t rate;
3306
3307 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3308 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3309 RT2860_RXWI_PHYMODE_MASK;
3310
3311 rate = 2;
3312
3313 switch (phymode)
3314 {
3315 case RT2860_RXWI_PHYMODE_CCK:
3316 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3317 {
3318 case 0: rate = 2; break; /* 1 Mbps */
3319 case 1: rate = 4; break; /* 2 MBps */
3320 case 2: rate = 11; break; /* 5.5 Mbps */
3321 case 3: rate = 22; break; /* 11 Mbps */
3322 }
3323 break;
3324
3325 case RT2860_RXWI_PHYMODE_OFDM:
3326 switch (mcs)
3327 {
3328 case 0: rate = 12; break; /* 6 Mbps */
3329 case 1: rate = 18; break; /* 9 Mbps */
3330 case 2: rate = 24; break; /* 12 Mbps */
3331 case 3: rate = 36; break; /* 18 Mbps */
3332 case 4: rate = 48; break; /* 24 Mbps */
3333 case 5: rate = 72; break; /* 36 Mbps */
3334 case 6: rate = 96; break; /* 48 Mbps */
3335 case 7: rate = 108; break; /* 54 Mbps */
3336 }
3337 break;
3338
3339 case RT2860_RXWI_PHYMODE_HT_MIXED:
3340 case RT2860_RXWI_PHYMODE_HT_GF:
3341 break;
3342 }
3343
3344 return rate;
3345 }
3346
3347 /*
3348 * rt2860_maxrssi_rxpath
3349 */
3350 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3351 const struct rt2860_rxwi *rxwi)
3352 {
3353 uint8_t rxpath;
3354
3355 rxpath = 0;
3356
3357 if (sc->nrxpath > 1)
3358 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3359 rxpath = 1;
3360
3361 if (sc->nrxpath > 2)
3362 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3363 rxpath = 2;
3364
3365 return rxpath;
3366 }
3367
3368 /*
3369 * rt2860_rssi2dbm
3370 */
3371 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3372 uint8_t rssi, uint8_t rxpath)
3373 {
3374 struct ieee80211com *ic;
3375 struct ieee80211_channel *c;
3376 int chan;
3377 int8_t rssi_off, lna_gain;
3378
3379 if (rssi == 0)
3380 return -99;
3381
3382 ic = &sc->ic;
3383 c = ic->ic_curchan;
3384 chan = ieee80211_chan2ieee(ic, c);
3385
3386 if (IEEE80211_IS_CHAN_5GHZ(c))
3387 {
3388 rssi_off = sc->rssi_off_5ghz[rxpath];
3389
3390 if (chan <= 64)
3391 lna_gain = sc->lna_gain[1];
3392 else if (chan <= 128)
3393 lna_gain = sc->lna_gain[2];
3394 else
3395 lna_gain = sc->lna_gain[3];
3396 }
3397 else
3398 {
3399 rssi_off = sc->rssi_off_2ghz[rxpath];
3400 lna_gain = sc->lna_gain[0];
3401 }
3402
3403 return (-12 - rssi_off - lna_gain - rssi);
3404 }
3405
3406 /*
3407 * rt2860_rate2mcs
3408 */
3409 static uint8_t rt2860_rate2mcs(uint8_t rate)
3410 {
3411 switch (rate)
3412 {
3413 /* CCK rates */
3414 case 2: return 0;
3415 case 4: return 1;
3416 case 11: return 2;
3417 case 22: return 3;
3418
3419 /* OFDM rates */
3420 case 12: return 0;
3421 case 18: return 1;
3422 case 24: return 2;
3423 case 36: return 3;
3424 case 48: return 4;
3425 case 72: return 5;
3426 case 96: return 6;
3427 case 108: return 7;
3428 }
3429
3430 return 0;
3431 }
3432
3433 /*
3434 * rt2860_ackrate
3435 */
3436 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3437 {
3438 switch (rate)
3439 {
3440 /* CCK rates */
3441
3442 case 2:
3443 return 2;
3444
3445 case 4:
3446 case 11:
3447 case 22:
3448 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3449
3450 /* OFDM rates */
3451
3452 case 12:
3453 case 18:
3454 return 12;
3455
3456 case 24:
3457 case 36:
3458 return 24;
3459
3460 case 48:
3461 case 72:
3462 case 96:
3463 case 108:
3464 return 48;
3465 }
3466
3467 /* default to 1Mbps */
3468 return 2;
3469 }
3470
3471 /*
3472 * rt2860_txtime
3473 */
3474 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3475 {
3476 uint16_t txtime;
3477
3478 if (RT2860_RATE_IS_OFDM(rate))
3479 {
3480 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3481 txtime = 16 + 4 + 4 * txtime + 6;
3482 }
3483 else
3484 {
3485 txtime = (16 * len + rate - 1) / rate;
3486
3487 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3488 txtime += 72 + 24;
3489 else
3490 txtime += 144 + 48;
3491 }
3492
3493 return txtime;
3494 }
3495
3496 /*
3497 * rt2860_tx_frame
3498 */
3499 static int rt2860_tx_frame(struct rt2860_softc *sc,
3500 struct mbuf *m, struct ieee80211_node *ni, int qid)
3501 {
3502 struct ieee80211com *ic;
3503 struct rt2860_softc_tx_ring *ring;
3504 struct rt2860_softc_tx_data *data;
3505 struct rt2860_txdesc *desc;
3506 struct rt2860_txwi *txwi;
3507 struct ieee80211_frame *wh;
3508 struct ieee80211_tx_ampdu *tx_ampdu;
3509 struct rt2860_softc_tx_radiotap_header *tap;
3510 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3511 u_int hdrsize, hdrspace;
3512 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
3513 uint16_t qos, len, dmalen, mpdu_len, dur;
3514 int error, hasqos, ac, ampdu, ackrate, ndmasegs, ndescs, i, j;
3515
3516 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3517 ("%s: Tx frame: invalid qid=%d\n",
3518 device_get_nameunit(sc->dev), qid));
3519
3520 ic = &sc->ic;
3521
3522 ring = &sc->tx_ring[qid];
3523 desc = &ring->desc[ring->desc_cur];
3524 data = &ring->data[ring->data_cur];
3525 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3526
3527 wh = mtod(m, struct ieee80211_frame *);
3528
3529 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3530
3531 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3532 if (hasqos)
3533 {
3534 if (IEEE80211_HAS_ADDR4(wh))
3535 qos = le16toh(*(const uint16_t *)
3536 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3537 else
3538 qos = le16toh(*(const uint16_t *)
3539 (((struct ieee80211_qosframe *) wh)->i_qos));
3540 }
3541 else
3542 {
3543 qos = 0;
3544 }
3545
3546 if (ni->ni_flags & IEEE80211_NODE_HT)
3547 {
3548 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3549 rate = 0;
3550 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3551 rate = ic->ic_fixed_rate;
3552 else
3553 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3554 }
3555 else
3556 {
3557 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3558 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3559 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3560 rate = ic->ic_fixed_rate;
3561 else
3562 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3563 }
3564
3565 rate &= IEEE80211_RATE_VAL;
3566
3567 /* fill Tx wireless info */
3568
3569 if (ni->ni_flags & IEEE80211_NODE_HT)
3570 mcs = rate;
3571 else
3572 mcs = rt2860_rate2mcs(rate);
3573
3574 pid = mcs;
3575
3576 /* management frames do not need encryption */
3577
3578 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3579 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3580
3581 /* calculate MPDU length without padding */
3582
3583 hdrsize = ieee80211_hdrsize(wh);
3584 hdrspace = ieee80211_hdrspace(ic, wh);
3585 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3586
3587 memset(txwi, 0, sizeof(struct rt2860_txwi));
3588
3589 txwi->wcid = wcid;
3590
3591 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3592 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3593 RT2860_TXWI_MPDU_LEN_SHIFT);
3594
3595 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3596
3597 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3598 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40));
3599
3600 txwi->phymode_ifs_stbc_shortgi |=
3601 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3602 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3603
3604 if (ni->ni_flags & IEEE80211_NODE_HT)
3605 {
3606 txwi->phymode_ifs_stbc_shortgi |=
3607 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3608 }
3609 else
3610 {
3611 if (!RT2860_RATE_IS_OFDM(rate))
3612 {
3613 txwi->phymode_ifs_stbc_shortgi |=
3614 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3615
3616 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3617 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3618 }
3619 else
3620 {
3621 txwi->phymode_ifs_stbc_shortgi |=
3622 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3623 }
3624 }
3625
3626 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
3627 bw = RT2860_TXWI_BW_40;
3628 else
3629 bw = RT2860_TXWI_BW_20;
3630
3631 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
3632 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3633
3634 if (type != IEEE80211_FC0_TYPE_DATA)
3635 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3636 else
3637 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3638
3639 /* skip ACKs for multicast frames and probe responses */
3640
3641 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3642 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3643 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
3644 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
3645 {
3646 txwi->bawin_size_xflags |=
3647 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3648
3649 if (ni->ni_flags & IEEE80211_NODE_HT)
3650 {
3651 /* preamble + plcp + signal extension + SIFS */
3652
3653 dur = 16 + 4 + 6 + 10;
3654 }
3655 else
3656 {
3657 ackrate = rt2860_ackrate(ic, rate);
3658
3659 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
3660 sc->sifs;
3661 }
3662
3663 *(uint16_t *) wh->i_dur = htole16(dur);
3664 }
3665
3666 /* check for A-MPDU */
3667
3668 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
3669 {
3670 ac = M_WME_GETAC(m);
3671 tx_ampdu = &ni->ni_tx_ampdu[ac];
3672
3673 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
3674 bawin_size = 13; //tx_ampdu->txa_wnd;
3675
3676 txwi->mpdu_density_flags |=
3677 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
3678 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
3679
3680 txwi->bawin_size_xflags |=
3681 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
3682
3683 if (IEEE80211_HAS_ADDR4(wh))
3684 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3685 else
3686 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3687
3688 ampdu = 1;
3689 }
3690 else
3691 {
3692 ampdu = 0;
3693 }
3694
3695 /* ask MAC to insert timestamp into probe responses */
3696
3697 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3698 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3699 txwi->mpdu_density_flags |=
3700 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3701
3702 if (bpf_peers_present(sc->drvbpf))
3703 {
3704 tap = &sc->txtap;
3705
3706 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3707 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3708 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3709 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3710 tap->chan_maxpow = 0;
3711
3712 if (ni->ni_flags & IEEE80211_NODE_HT)
3713 tap->rate = mcs | IEEE80211_RATE_MCS;
3714 else
3715 tap->rate = rate;
3716
3717 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3718 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3719
3720 if (shortgi)
3721 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3722
3723 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3724 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3725
3726 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3727 {
3728 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3729
3730 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3731
3732 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3733 }
3734 else
3735 {
3736 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3737 }
3738 }
3739
3740 /* copy and trim 802.11 header */
3741
3742 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3743 m_adj(m, hdrspace);
3744
3745 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3746 dma_seg, &ndmasegs, 0);
3747 if (error != 0)
3748 {
3749 /* too many fragments, linearize */
3750
3751 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3752 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3753 device_get_nameunit(sc->dev));
3754
3755 m = m_defrag(m, M_DONTWAIT);
3756 if (m == NULL)
3757 return ENOMEM;
3758
3759 sc->tx_defrag_packets++;
3760
3761 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3762 dma_seg, &ndmasegs, 0);
3763 if (error != 0)
3764 {
3765 printf("%s: could not load mbuf DMA map: error=%d\n",
3766 device_get_nameunit(sc->dev), error);
3767 m_freem(m);
3768 return error;
3769 }
3770 }
3771
3772 if (m->m_pkthdr.len == 0)
3773 ndmasegs = 0;
3774
3775 /* determine how many Tx descs are required */
3776
3777 ndescs = 1 + ndmasegs / 2;
3778 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3779 {
3780 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3781 "%s: there are not enough Tx descs\n",
3782 device_get_nameunit(sc->dev));
3783
3784 sc->no_tx_desc_avail++;
3785
3786 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3787 m_freem(m);
3788 return EFBIG;
3789 }
3790
3791 data->m = m;
3792 data->ni = ni;
3793
3794 /* set up Tx descs */
3795
3796 /* first segment is Tx wireless info and 802.11 header */
3797
3798 len = sizeof(struct rt2860_txwi) + hdrsize;
3799
3800 /* align end on a 4-bytes boundary */
3801
3802 dmalen = (len + 3) & ~ 3;
3803
3804 memset((caddr_t) txwi + len, 0, dmalen - len);
3805
3806 qsel = RT2860_TXDESC_QSEL_EDCA;
3807
3808 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3809 desc->sdl0 = htole16(dmalen);
3810 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3811
3812 /* set up payload segments */
3813
3814 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3815 {
3816 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3817 desc->sdl1 = htole16(dma_seg[j].ds_len);
3818
3819 ring->desc_queued++;
3820 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3821
3822 j++;
3823
3824 desc = &ring->desc[ring->desc_cur];
3825
3826 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3827 desc->sdl0 = htole16(dma_seg[j].ds_len);
3828 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3829
3830 j++;
3831 }
3832
3833 /* finalize last payload segment */
3834
3835 if (i > 0)
3836 {
3837 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3838 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3839 }
3840 else
3841 {
3842 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3843 desc->sdl1 = 0;
3844 }
3845
3846 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3847 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3848 "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",
3849 device_get_nameunit(sc->dev),
3850 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3851 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
3852 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);
3853
3854 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3855 BUS_DMASYNC_PREWRITE);
3856 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3857 BUS_DMASYNC_PREWRITE);
3858 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3859 BUS_DMASYNC_PREWRITE);
3860
3861 ring->desc_queued++;
3862 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3863
3864 ring->data_queued++;
3865 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3866
3867 /* kick Tx */
3868
3869 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3870
3871 return 0;
3872 }
3873
3874 /*
3875 * rt2860_tx_raw
3876 */
3877 static int rt2860_tx_raw(struct rt2860_softc *sc,
3878 struct mbuf *m, struct ieee80211_node *ni,
3879 const struct ieee80211_bpf_params *params)
3880 {
3881 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3882 "%s: Tx raw\n",
3883 device_get_nameunit(sc->dev));
3884
3885 return 0;
3886 }
3887
3888 /*
3889 * rt2860_intr
3890 */
3891 static void rt2860_intr(void *arg)
3892 {
3893 struct rt2860_softc *sc;
3894 struct ifnet *ifp;
3895 uint32_t status;
3896
3897 sc = arg;
3898 ifp = sc->ifp;
3899
3900 /* acknowledge interrupts */
3901
3902 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
3903 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
3904
3905 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3906 "%s: interrupt: status = 0x%08x\n",
3907 device_get_nameunit(sc->dev), status);
3908
3909 if (status == 0xffffffff || /* device likely went away */
3910 status == 0) /* not for us */
3911 return;
3912
3913 sc->interrupts++;
3914
3915 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3916 return;
3917
3918 if (status & RT2860_REG_INT_TX_COHERENT)
3919 rt2860_tx_coherent_intr(sc);
3920
3921 if (status & RT2860_REG_INT_RX_COHERENT)
3922 rt2860_rx_coherent_intr(sc);
3923
3924 if (status & RT2860_REG_INT_TXRX_COHERENT)
3925 rt2860_txrx_coherent_intr(sc);
3926
3927 if (status & RT2860_REG_INT_FIFO_STA_FULL)
3928 rt2860_fifo_sta_full_intr(sc);
3929
3930 if (status & RT2860_REG_INT_TX_MGMT_DONE)
3931 rt2860_tx_intr(sc, 5);
3932
3933 if (status & RT2860_REG_INT_RX_DONE)
3934 rt2860_rx_intr(sc);
3935
3936 if (status & RT2860_REG_INT_RX_DELAY_DONE)
3937 rt2860_rx_delay_intr(sc);
3938
3939 if (status & RT2860_REG_INT_TX_HCCA_DONE)
3940 rt2860_tx_intr(sc, 4);
3941
3942 if (status & RT2860_REG_INT_TX_AC3_DONE)
3943 rt2860_tx_intr(sc, 3);
3944
3945 if (status & RT2860_REG_INT_TX_AC2_DONE)
3946 rt2860_tx_intr(sc, 2);
3947
3948 if (status & RT2860_REG_INT_TX_AC1_DONE)
3949 rt2860_tx_intr(sc, 1);
3950
3951 if (status & RT2860_REG_INT_TX_AC0_DONE)
3952 rt2860_tx_intr(sc, 0);
3953
3954 if (status & RT2860_REG_INT_TX_DELAY_DONE)
3955 rt2860_tx_delay_intr(sc);
3956
3957 if (status & RT2860_REG_INT_PRE_TBTT)
3958 rt2860_pre_tbtt_intr(sc);
3959
3960 if (status & RT2860_REG_INT_TBTT)
3961 rt2860_tbtt_intr(sc);
3962
3963 if (status & RT2860_REG_INT_MCU_CMD)
3964 rt2860_mcu_cmd_intr(sc);
3965
3966 if (status & RT2860_REG_INT_AUTO_WAKEUP)
3967 rt2860_auto_wakeup_intr(sc);
3968
3969 if (status & RT2860_REG_INT_GP_TIMER)
3970 rt2860_gp_timer_intr(sc);
3971 }
3972
3973 /*
3974 * rt2860_tx_coherent_intr
3975 */
3976 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
3977 {
3978 uint32_t tmp;
3979 int i;
3980
3981 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
3982 "%s: Tx coherent interrupt\n",
3983 device_get_nameunit(sc->dev));
3984
3985 sc->tx_coherent_interrupts++;
3986
3987 /* restart DMA engine */
3988
3989 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
3990
3991 tmp &= ~(RT2860_REG_TX_WB_DDONE |
3992 RT2860_REG_RX_DMA_ENABLE |
3993 RT2860_REG_TX_DMA_ENABLE);
3994
3995 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
3996
3997 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
3998
3999 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4000 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4001
4002 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4003 {
4004 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4005 sc->tx_ring[i].desc_phys_addr);
4006 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4007 RT2860_SOFTC_TX_RING_DESC_COUNT);
4008 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4009 }
4010
4011 /* init Rx ring */
4012
4013 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4014
4015 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4016 sc->rx_ring.desc_phys_addr);
4017 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4018 RT2860_SOFTC_RX_RING_DATA_COUNT);
4019 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4020 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4021
4022 rt2860_txrx_enable(sc);
4023 }
4024
4025 /*
4026 * rt2860_rx_coherent_intr
4027 */
4028 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4029 {
4030 uint32_t tmp;
4031 int i;
4032
4033 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4034 "%s: Rx coherent interrupt\n",
4035 device_get_nameunit(sc->dev));
4036
4037 sc->rx_coherent_interrupts++;
4038
4039 /* restart DMA engine */
4040
4041 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4042
4043 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4044 RT2860_REG_RX_DMA_ENABLE |
4045 RT2860_REG_TX_DMA_ENABLE);
4046
4047 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4048
4049 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4050
4051 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4052 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4053
4054 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4055 {
4056 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4057 sc->tx_ring[i].desc_phys_addr);
4058 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4059 RT2860_SOFTC_TX_RING_DESC_COUNT);
4060 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4061 }
4062
4063 /* init Rx ring */
4064
4065 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4066
4067 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4068 sc->rx_ring.desc_phys_addr);
4069 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4070 RT2860_SOFTC_RX_RING_DATA_COUNT);
4071 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4072 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4073
4074 rt2860_txrx_enable(sc);
4075 }
4076
4077 /*
4078 * rt2860_txrx_coherent_intr
4079 */
4080 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4081 {
4082 uint32_t tmp;
4083 int i;
4084
4085 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4086 "%s: Tx/Rx coherent interrupt\n",
4087 device_get_nameunit(sc->dev));
4088
4089 sc->txrx_coherent_interrupts++;
4090
4091 /* restart DMA engine */
4092
4093 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4094
4095 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4096 RT2860_REG_RX_DMA_ENABLE |
4097 RT2860_REG_TX_DMA_ENABLE);
4098
4099 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4100
4101 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4102
4103 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4104 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4105
4106 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4107 {
4108 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4109 sc->tx_ring[i].desc_phys_addr);
4110 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4111 RT2860_SOFTC_TX_RING_DESC_COUNT);
4112 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4113 }
4114
4115 /* init Rx ring */
4116
4117 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4118
4119 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4120 sc->rx_ring.desc_phys_addr);
4121 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4122 RT2860_SOFTC_RX_RING_DATA_COUNT);
4123 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4124 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4125
4126 rt2860_txrx_enable(sc);
4127 }
4128
4129 /*
4130 * rt2860_fifo_sta_full_intr
4131 */
4132 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4133 {
4134 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4135 "%s: FIFO statistic full interrupt\n",
4136 device_get_nameunit(sc->dev));
4137
4138 sc->fifo_sta_full_interrupts++;
4139
4140 RT2860_SOFTC_LOCK(sc);
4141
4142 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4143 {
4144 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4145
4146 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4147 }
4148
4149 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4150
4151 RT2860_SOFTC_UNLOCK(sc);
4152 }
4153
4154 /*
4155 * rt2860_rx_intr
4156 */
4157 static void rt2860_rx_intr(struct rt2860_softc *sc)
4158 {
4159 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4160 "%s: Rx interrupt\n",
4161 device_get_nameunit(sc->dev));
4162
4163 sc->rx_interrupts++;
4164
4165 RT2860_SOFTC_LOCK(sc);
4166
4167 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4168 {
4169 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4170
4171 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4172 }
4173
4174 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4175
4176 RT2860_SOFTC_UNLOCK(sc);
4177 }
4178
4179 /*
4180 * rt2860_rx_delay_intr
4181 */
4182 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4183 {
4184 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4185 "%s: Rx delay interrupt\n",
4186 device_get_nameunit(sc->dev));
4187
4188 sc->rx_delay_interrupts++;
4189 }
4190
4191 /*
4192 * rt2860_tx_intr
4193 */
4194 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4195 {
4196 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4197 ("%s: Tx interrupt: invalid qid=%d\n",
4198 device_get_nameunit(sc->dev), qid));
4199
4200 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4201 "%s: Tx interrupt: qid=%d\n",
4202 device_get_nameunit(sc->dev), qid);
4203
4204 sc->tx_interrupts[qid]++;
4205
4206 RT2860_SOFTC_LOCK(sc);
4207
4208 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4209 {
4210 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4211
4212 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4213 }
4214
4215 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4216
4217 RT2860_SOFTC_UNLOCK(sc);
4218 }
4219
4220 /*
4221 * rt2860_tx_delay_intr
4222 */
4223 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4224 {
4225 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4226 "%s: Tx delay interrupt\n",
4227 device_get_nameunit(sc->dev));
4228
4229 sc->tx_delay_interrupts++;
4230 }
4231
4232 /*
4233 * rt2860_pre_tbtt_intr
4234 */
4235 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4236 {
4237 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4238 "%s: Pre-TBTT interrupt\n",
4239 device_get_nameunit(sc->dev));
4240
4241 sc->pre_tbtt_interrupts++;
4242 }
4243
4244 /*
4245 * rt2860_tbtt_intr
4246 */
4247 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4248 {
4249 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4250 "%s: TBTT interrupt\n",
4251 device_get_nameunit(sc->dev));
4252
4253 sc->tbtt_interrupts++;
4254 }
4255
4256 /*
4257 * rt2860_mcu_cmd_intr
4258 */
4259 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4260 {
4261 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4262 "%s: MCU command interrupt\n",
4263 device_get_nameunit(sc->dev));
4264
4265 sc->mcu_cmd_interrupts++;
4266 }
4267
4268 /*
4269 * rt2860_auto_wakeup_intr
4270 */
4271 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4272 {
4273 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4274 "%s: auto wakeup interrupt\n",
4275 device_get_nameunit(sc->dev));
4276
4277 sc->auto_wakeup_interrupts++;
4278 }
4279
4280 /*
4281 * rt2860_gp_timer_intr
4282 */
4283 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4284 {
4285 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4286 "%s: GP timer interrupt\n",
4287 device_get_nameunit(sc->dev));
4288
4289 sc->gp_timer_interrupts++;
4290 }
4291
4292 /*
4293 * rt2860_rx_done_task
4294 */
4295 static void rt2860_rx_done_task(void *context, int pending)
4296 {
4297 struct rt2860_softc *sc;
4298 struct ifnet *ifp;
4299 int again;
4300
4301 sc = context;
4302 ifp = sc->ifp;
4303
4304 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4305 "%s: Rx done task\n",
4306 device_get_nameunit(sc->dev));
4307
4308 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4309 return;
4310
4311 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4312
4313 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4314
4315 RT2860_SOFTC_LOCK(sc);
4316
4317 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4318 {
4319 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4320 "%s: Rx done task: scheduling again\n",
4321 device_get_nameunit(sc->dev));
4322
4323 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4324 }
4325 else
4326 {
4327 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4328 }
4329
4330 RT2860_SOFTC_UNLOCK(sc);
4331 }
4332
4333 /*
4334 * rt2860_tx_done_task
4335 */
4336 static void rt2860_tx_done_task(void *context, int pending)
4337 {
4338 struct rt2860_softc *sc;
4339 struct ifnet *ifp;
4340 uint32_t intr_mask;
4341 int i;
4342
4343 sc = context;
4344 ifp = sc->ifp;
4345
4346 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4347 "%s: Tx done task\n",
4348 device_get_nameunit(sc->dev));
4349
4350 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4351 return;
4352
4353 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4354 {
4355 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4356 {
4357 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4358
4359 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4360 }
4361 }
4362
4363 sc->tx_timer = 0;
4364
4365 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4366
4367 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4368 RT2860_REG_INT_TX_HCCA_DONE |
4369 RT2860_REG_INT_TX_AC3_DONE |
4370 RT2860_REG_INT_TX_AC2_DONE |
4371 RT2860_REG_INT_TX_AC1_DONE |
4372 RT2860_REG_INT_TX_AC0_DONE);
4373
4374 RT2860_SOFTC_LOCK(sc);
4375
4376 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4377 (sc->intr_disable_mask & intr_mask));
4378
4379 if (sc->intr_pending_mask & intr_mask)
4380 {
4381 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4382 "%s: Tx done task: scheduling again\n",
4383 device_get_nameunit(sc->dev));
4384
4385 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4386 }
4387
4388 RT2860_SOFTC_UNLOCK(sc);
4389 }
4390
4391 /*
4392 * rt2860_fifo_sta_full_task
4393 */
4394 static void rt2860_fifo_sta_full_task(void *context, int pending)
4395 {
4396 struct rt2860_softc *sc;
4397 struct ifnet *ifp;
4398
4399 sc = context;
4400 ifp = sc->ifp;
4401
4402 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4403 "%s: FIFO statistic full task\n",
4404 device_get_nameunit(sc->dev));
4405
4406 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4407 return;
4408
4409 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4410
4411 rt2860_drain_fifo_stats(sc);
4412
4413 RT2860_SOFTC_LOCK(sc);
4414
4415 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4416 {
4417 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4418 "%s: FIFO statistic full task: scheduling again\n",
4419 device_get_nameunit(sc->dev));
4420
4421 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4422 }
4423 else
4424 {
4425 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4426 }
4427
4428 RT2860_SOFTC_UNLOCK(sc);
4429 }
4430
4431 /*
4432 * rt2860_periodic_task
4433 */
4434 static void rt2860_periodic_task(void *context, int pending)
4435 {
4436 struct rt2860_softc *sc;
4437 struct ifnet *ifp;
4438 struct ieee80211com *ic;
4439
4440 sc = context;
4441 ifp = sc->ifp;
4442 ic = &sc->ic;
4443
4444 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4445 "%s: periodic task: round=%lu\n",
4446 device_get_nameunit(sc->dev), sc->periodic_round);
4447
4448 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4449 return;
4450
4451 RT2860_SOFTC_LOCK(sc);
4452
4453 sc->periodic_round++;
4454
4455 rt2860_update_stats(sc);
4456
4457 if ((sc->periodic_round % 10) == 0)
4458 {
4459 rt2860_bbp_tuning(sc);
4460
4461 rt2860_update_raw_counters(sc);
4462
4463 rt2860_watchdog(sc);
4464
4465 if (ic->ic_opmode != IEEE80211_M_MONITOR && ic->ic_state == IEEE80211_S_RUN)
4466 {
4467 if (ic->ic_opmode == IEEE80211_M_STA)
4468 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4469 else
4470 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4471 }
4472 }
4473
4474 RT2860_SOFTC_UNLOCK(sc);
4475
4476 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4477 }
4478
4479 /*
4480 * rt2860_rx_eof
4481 */
4482 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4483 {
4484 struct ieee80211com *ic;
4485 struct ifnet *ifp;
4486 struct ieee80211_frame *wh;
4487 struct ieee80211_node *ni;
4488 struct rt2860_softc_rx_radiotap_header *tap;
4489 struct rt2860_softc_rx_ring *ring;
4490 struct rt2860_rxdesc *desc;
4491 struct rt2860_softc_rx_data *data;
4492 struct rt2860_rxwi *rxwi;
4493 struct mbuf *m, *mnew;
4494 bus_dma_segment_t segs[1];
4495 bus_dmamap_t dma_map;
4496 uint32_t index, desc_flags;
4497 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4498 int8_t rssi_dbm;
4499 int error, nsegs, len, ampdu, amsdu, nframes;
4500
4501 ic = &sc->ic;
4502 ifp = sc->ifp;
4503 ring = &sc->rx_ring;
4504
4505 nframes = 0;
4506
4507 while (limit != 0)
4508 {
4509 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4510 if (ring->cur == index)
4511 break;
4512
4513 desc = &ring->desc[ring->cur];
4514 desc_flags = le32toh(desc->flags);
4515 data = &ring->data[ring->cur];
4516
4517 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4518 BUS_DMASYNC_POSTREAD);
4519
4520 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4521 break;
4522
4523 nframes++;
4524
4525 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4526 if (mnew == NULL)
4527 {
4528 sc->rx_mbuf_alloc_errors++;
4529 ifp->if_ierrors++;
4530 goto skip;
4531 }
4532
4533 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4534
4535 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
4536 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4537 if (error != 0)
4538 {
4539 m_freem(mnew);
4540
4541 sc->rx_mbuf_dmamap_errors++;
4542 ifp->if_ierrors++;
4543
4544 goto skip;
4545 }
4546
4547 KASSERT(nsegs == 1, ("%s: too many DMA segments",
4548 device_get_name(sc->dev)));
4549
4550 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4551 BUS_DMASYNC_POSTREAD);
4552 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4553
4554 dma_map = data->dma_map;
4555 data->dma_map = ring->spare_dma_map;
4556 ring->spare_dma_map = dma_map;
4557
4558 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4559 BUS_DMASYNC_PREREAD);
4560
4561 m = data->m;
4562
4563 data->m = mnew;
4564 desc->sdp0 = htole32(segs[0].ds_addr);
4565
4566 /* get Rx wireless info */
4567
4568 rxwi = mtod(m, struct rt2860_rxwi *);
4569 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4570 RT2860_RXWI_SIZE_MASK;
4571
4572 /* check for L2 padding between IEEE 802.11 frame header and body */
4573
4574 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4575 {
4576 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4577 "%s: L2 padding: len=%d\n",
4578 device_get_nameunit(sc->dev), len);
4579
4580 len += 2;
4581 }
4582
4583 m->m_pkthdr.rcvif = ifp;
4584 m->m_data = (caddr_t) (rxwi + 1);
4585 m->m_pkthdr.len = m->m_len = len;
4586
4587 /* check for crc errors */
4588
4589 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4590 {
4591 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4592 "%s: rxdesc: crc error\n",
4593 device_get_nameunit(sc->dev));
4594
4595 ifp->if_ierrors++;
4596
4597 if (!(ifp->if_flags & IFF_PROMISC))
4598 {
4599 m_freem(m);
4600 goto skip;
4601 }
4602 }
4603
4604 wh = (struct ieee80211_frame *) (rxwi + 1);
4605
4606 /* check for cipher errors */
4607
4608 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4609 {
4610 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4611 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4612 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4613 {
4614 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4615 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4616
4617 m->m_flags |= M_WEP;
4618 }
4619 else
4620 {
4621 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4622 "%s: rxdesc: cipher error=0x%02x\n",
4623 device_get_nameunit(sc->dev), cipher_err);
4624
4625 ifp->if_ierrors++;
4626
4627 if (!(ifp->if_flags & IFF_PROMISC))
4628 {
4629 m_free(m);
4630 goto skip;
4631 }
4632 }
4633 }
4634 else
4635 {
4636 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4637 {
4638 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4639 "%s: rxdesc: not decrypted but protected flag set\n",
4640 device_get_nameunit(sc->dev));
4641
4642 ifp->if_ierrors++;
4643
4644 if (!(ifp->if_flags & IFF_PROMISC))
4645 {
4646 m_free(m);
4647 goto skip;
4648 }
4649 }
4650 }
4651
4652 /* check for A-MPDU */
4653
4654 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4655 {
4656 m->m_flags |= M_AMPDU;
4657
4658 sc->rx_ampdu++;
4659
4660 ampdu = 1;
4661 }
4662 else
4663 {
4664 ampdu = 0;
4665 }
4666
4667 /* check for A-MSDU */
4668
4669 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
4670 {
4671 sc->rx_amsdu++;
4672
4673 amsdu = 1;
4674 }
4675 else
4676 {
4677 amsdu = 0;
4678 }
4679
4680 ant = rt2860_maxrssi_rxpath(sc, rxwi);
4681 rssi = rxwi->rssi[ant];
4682 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
4683 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4684 RT2860_RXWI_PHYMODE_MASK);
4685 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
4686 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
4687 RT2860_RXWI_SHORTGI_MASK);
4688 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
4689
4690 if (bpf_peers_present(sc->drvbpf))
4691 {
4692 tap = &sc->rxtap;
4693
4694 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4695 tap->dbm_antsignal = rssi_dbm;
4696 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
4697 tap->antenna = ant;
4698 tap->antsignal = rssi;
4699 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4700 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4701 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4702 tap->chan_maxpow = 0;
4703
4704 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
4705 tap->rate = mcs | IEEE80211_RATE_MCS;
4706 else
4707 tap->rate = rt2860_rxrate(rxwi);
4708
4709 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
4710 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4711
4712 if (shortgi)
4713 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4714
4715 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4716 }
4717
4718 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4719 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4720 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4721 device_get_nameunit(sc->dev),
4722 len, phymode, bw, shortgi, mcs,
4723 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4724 rxwi->snr[0], rxwi->snr[1],
4725 rxwi->wcid, ampdu, amsdu);
4726
4727 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4728
4729 ieee80211_input(ic, m, ni, rssi_dbm, RT2860_NOISE_FLOOR, 0);
4730
4731 ieee80211_free_node(ni);
4732
4733 skip:
4734
4735 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
4736
4737 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4738 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4739
4740 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
4741
4742 limit--;
4743 }
4744
4745 if (ring->cur == 0)
4746 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4747 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4748 else
4749 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4750 ring->cur - 1);
4751
4752 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4753 "%s: Rx eof: nframes=%d\n",
4754 device_get_nameunit(sc->dev), nframes);
4755
4756 sc->rx_packets += nframes;
4757
4758 return (limit == 0);
4759 }
4760
4761 /*
4762 * rt2860_tx_eof
4763 */
4764 static void rt2860_tx_eof(struct rt2860_softc *sc,
4765 struct rt2860_softc_tx_ring *ring)
4766 {
4767 struct ifnet *ifp;
4768 struct rt2860_txdesc *desc;
4769 struct rt2860_softc_tx_data *data;
4770 uint32_t index;
4771 int ndescs, nframes;
4772
4773 ifp = sc->ifp;
4774
4775 ndescs = 0;
4776 nframes = 0;
4777
4778 for (;;)
4779 {
4780 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
4781 if (ring->desc_next == index)
4782 break;
4783
4784 ndescs++;
4785
4786 rt2860_drain_fifo_stats(sc);
4787
4788 desc = &ring->desc[ring->desc_next];
4789
4790 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4791 BUS_DMASYNC_POSTREAD);
4792
4793 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
4794 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
4795 {
4796 nframes++;
4797
4798 data = &ring->data[ring->data_next];
4799
4800 if (data->m->m_flags & M_TXCB)
4801 ieee80211_process_callback(data->ni, data->m, 0);
4802
4803 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4804 BUS_DMASYNC_POSTWRITE);
4805 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4806
4807 m_freem(data->m);
4808
4809 ieee80211_free_node(data->ni);
4810
4811 data->m = NULL;
4812 data->ni = NULL;
4813
4814 ifp->if_opackets++;
4815
4816 RT2860_SOFTC_LOCK(sc);
4817
4818 ring->data_queued--;
4819 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4820
4821 RT2860_SOFTC_UNLOCK(sc);
4822 }
4823
4824 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
4825
4826 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4827 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
4828
4829 RT2860_SOFTC_LOCK(sc);
4830
4831 ring->desc_queued--;
4832 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4833
4834 RT2860_SOFTC_UNLOCK(sc);
4835 }
4836
4837 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4838 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
4839 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
4840 }
4841
4842 /*
4843 * rt2860_update_stats
4844 */
4845 static void rt2860_update_stats(struct rt2860_softc *sc)
4846 {
4847 struct ifnet *ifp;
4848 struct ieee80211com *ic;
4849 struct ieee80211_node *ni;
4850 uint32_t stacnt[3];
4851 int beacons, noretryok, retryok, failed;
4852 uint16_t associd;
4853 uint8_t wcid;
4854
4855 ifp = sc->ifp;
4856 ic = &sc->ic;
4857
4858 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4859 "%s: update statistic\n",
4860 device_get_nameunit(sc->dev));
4861
4862 rt2860_drain_fifo_stats(sc);
4863
4864 /* read and clear Tx statistic registers */
4865
4866 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
4867 stacnt, sizeof(stacnt));
4868
4869 stacnt[0] = le32toh(stacnt[0]);
4870 stacnt[1] = le32toh(stacnt[1]);
4871 stacnt[2] = le32toh(stacnt[2]);
4872
4873 beacons = stacnt[0] >> 16;
4874 noretryok = stacnt[1] & 0xffff;
4875 retryok = stacnt[1] >> 16;
4876 failed = stacnt[0] & 0xffff;
4877
4878 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4879 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
4880 device_get_nameunit(sc->dev),
4881 beacons, noretryok, retryok, failed);
4882
4883 ifp->if_oerrors += failed;
4884
4885 sc->tx_beacons += beacons;
4886 sc->tx_noretryok += noretryok;
4887 sc->tx_retryok += retryok;
4888 sc->tx_failed += failed;
4889
4890 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4891 {
4892 ni = ic->ic_bss;
4893
4894 associd = (ni != NULL) ? ni->ni_associd : 0;
4895 wcid = RT2860_AID2WCID(associd);
4896
4897 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
4898 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4899 }
4900 }
4901
4902 /*
4903 * rt2860_bbp_tuning
4904 */
4905 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
4906 {
4907 struct ieee80211com *ic;
4908 struct ieee80211_node *ni;
4909 int chan, group;
4910 int8_t rssi, old, new;
4911
4912 /* RT2860C does not support BBP tuning */
4913
4914 if (sc->mac_rev == 0x28600100)
4915 return;
4916
4917 ic = &sc->ic;
4918
4919 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
4920 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
4921 return;
4922
4923 ni = ic->ic_bss;
4924
4925 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
4926
4927 if (chan <= 14)
4928 group = 0;
4929 else if (chan <= 64)
4930 group = 1;
4931 else if (chan <= 128)
4932 group = 2;
4933 else
4934 group = 3;
4935
4936 rssi = ieee80211_getrssi(ic);
4937
4938 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
4939 {
4940 new = 0x2e + sc->lna_gain[group];
4941 }
4942 else
4943 {
4944 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
4945 new = 0x32 + sc->lna_gain[group] * 5 / 3;
4946 else
4947 new = 0x3a + sc->lna_gain[group] * 5 / 3;
4948 }
4949
4950 /* Tune if absolute average RSSI is greater than -80 */
4951
4952 if (rssi > -80)
4953 new += 0x10;
4954
4955 old = rt2860_io_bbp_read(sc, 66);
4956
4957 if (old != new)
4958 rt2860_io_bbp_write(sc, 66, new);
4959 }
4960
4961 /*
4962 * rt2860_watchdog
4963 */
4964 static void rt2860_watchdog(struct rt2860_softc *sc)
4965 {
4966 uint32_t tmp;
4967 int ntries;
4968
4969 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4970
4971 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
4972 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4973 device_get_nameunit(sc->dev), tmp);
4974
4975 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
4976 {
4977 sc->tx_queue_not_empty[0]++;
4978
4979 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
4980
4981 for (ntries = 0; ntries < 10; ntries++)
4982 {
4983 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
4984 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
4985 break;
4986
4987 DELAY(1);
4988 }
4989
4990 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
4991 }
4992
4993 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
4994 {
4995 sc->tx_queue_not_empty[1]++;
4996
4997 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
4998
4999 for (ntries = 0; ntries < 10; ntries++)
5000 {
5001 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5002 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5003 break;
5004
5005 DELAY(1);
5006 }
5007
5008 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5009 }
5010 }
5011
5012 /*
5013 * rt2860_drain_fifo_stats
5014 */
5015 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5016 {
5017 struct ifnet *ifp;
5018 uint32_t stats;
5019 uint8_t wcid, mcs, pid;
5020 int ok, agg, retrycnt;
5021
5022 ifp = sc->ic.ic_ifp;
5023
5024 /* drain Tx status FIFO (maxsize = 16) */
5025
5026 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5027 RT2860_REG_TX_STA_FIFO_VALID)
5028 {
5029 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5030 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5031
5032 /* if no ACK was requested, no feedback is available */
5033
5034 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5035 continue;
5036
5037 /* update AMRR statistic */
5038
5039 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5040 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5041 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5042 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5043 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5044 RT2860_REG_TX_STA_FIFO_PID_MASK;
5045 retrycnt = pid - mcs;
5046
5047 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5048 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5049 device_get_nameunit(sc->dev),
5050 wcid, ok, agg, mcs, pid, retrycnt);
5051
5052 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5053
5054 if (!ok)
5055 ifp->if_oerrors++;
5056 }
5057 }
5058
5059 /*
5060 * rt2860_update_raw_counters
5061 */
5062 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5063 {
5064 uint32_t tmp;
5065
5066 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5067
5068 sc->tx_nonagg += tmp & 0xffff;
5069 sc->tx_agg += tmp >> 16;
5070
5071 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5072
5073 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5074
5075 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5076
5077 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5078
5079 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5080
5081 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5082
5083 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5084
5085 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5086
5087 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5088
5089 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5090
5091 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5092
5093 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5094
5095 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5096
5097 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5098
5099 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5100
5101 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5102
5103 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5104
5105 sc->rx_crc_errors += tmp & 0xffff;
5106 sc->rx_phy_errors += tmp >> 16;
5107
5108 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5109
5110 sc->rx_false_ccas += tmp & 0xffff;
5111 sc->rx_plcp_errors += tmp >> 16;
5112
5113 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5114
5115 sc->rx_dup_packets += tmp & 0xffff;
5116 sc->rx_fifo_overflows += tmp >> 16;
5117 }
5118
5119 /*
5120 * rt2860_intr_enable
5121 */
5122 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5123 {
5124 uint32_t tmp;
5125
5126 sc->intr_disable_mask &= ~intr_mask;
5127
5128 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5129
5130 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5131 }
5132
5133 /*
5134 * rt2860_intr_disable
5135 */
5136 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5137 {
5138 uint32_t tmp;
5139
5140 sc->intr_disable_mask |= intr_mask;
5141
5142 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5143
5144 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5145 }
5146
5147 /*
5148 * rt2860_txrx_enable
5149 */
5150 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5151 {
5152 struct ieee80211com *ic;
5153 struct ifnet *ifp;
5154 uint32_t tmp;
5155 int ntries;
5156
5157 ic = &sc->ic;
5158 ifp = ic->ic_ifp;
5159
5160 /* enable Tx/Rx DMA engine */
5161
5162 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5163
5164 for (ntries = 0; ntries < 200; ntries++)
5165 {
5166 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5167 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5168 break;
5169
5170 DELAY(1000);
5171 }
5172
5173 if (ntries == 200)
5174 {
5175 printf("%s: timeout waiting for DMA engine\n",
5176 device_get_nameunit(sc->dev));
5177 return -1;
5178 }
5179
5180 DELAY(50);
5181
5182 tmp |= RT2860_REG_TX_WB_DDONE |
5183 RT2860_REG_RX_DMA_ENABLE |
5184 RT2860_REG_TX_DMA_ENABLE |
5185 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5186
5187 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5188
5189 /* set Rx filter */
5190
5191 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5192 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5193
5194 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5195 {
5196 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5197 RT2860_REG_RX_FILTER_DROP_CTS |
5198 RT2860_REG_RX_FILTER_DROP_BA |
5199 RT2860_REG_RX_FILTER_DROP_ACK |
5200 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5201 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5202 RT2860_REG_RX_FILTER_DROP_CFACK |
5203 RT2860_REG_RX_FILTER_DROP_CFEND;
5204
5205 if (ic->ic_opmode == IEEE80211_M_STA)
5206 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5207 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5208
5209 if (!(ifp->if_flags & IFF_PROMISC))
5210 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5211 }
5212
5213 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5214
5215 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5216 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5217
5218 return 0;
5219 }
5220
5221 /*
5222 * rt2860_alloc_rx_ring
5223 */
5224 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5225 struct rt2860_softc_rx_ring *ring)
5226 {
5227 struct rt2860_rxdesc *desc;
5228 struct rt2860_softc_rx_data *data;
5229 bus_dma_segment_t segs[1];
5230 int i, nsegs, error;
5231
5232 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5233 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5234 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5235 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5236 0, NULL, NULL, &ring->desc_dma_tag);
5237 if (error != 0)
5238 {
5239 printf("%s: could not create Rx desc DMA tag\n",
5240 device_get_nameunit(sc->dev));
5241 goto fail;
5242 }
5243
5244 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5245 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5246 if (error != 0)
5247 {
5248 printf("%s: could not allocate Rx desc DMA memory\n",
5249 device_get_nameunit(sc->dev));
5250 goto fail;
5251 }
5252
5253 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5254 ring->desc,
5255 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5256 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5257 if (error != 0)
5258 {
5259 printf("%s: could not load Rx desc DMA map\n",
5260 device_get_nameunit(sc->dev));
5261 goto fail;
5262 }
5263
5264 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5265 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5266 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5267 &ring->data_dma_tag);
5268 if (error != 0)
5269 {
5270 printf("%s: could not create Rx data DMA tag\n",
5271 device_get_nameunit(sc->dev));
5272 goto fail;
5273 }
5274
5275 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5276 {
5277 desc = &ring->desc[i];
5278 data = &ring->data[i];
5279
5280 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5281 if (error != 0)
5282 {
5283 printf("%s: could not create Rx data DMA map\n",
5284 device_get_nameunit(sc->dev));
5285 goto fail;
5286 }
5287
5288 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5289 if (data->m == NULL)
5290 {
5291 printf("%s: could not allocate Rx mbuf\n",
5292 device_get_nameunit(sc->dev));
5293 error = ENOMEM;
5294 goto fail;
5295 }
5296
5297 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5298
5299 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5300 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5301 if (error != 0)
5302 {
5303 printf("%s: could not load Rx mbuf DMA map\n",
5304 device_get_nameunit(sc->dev));
5305 goto fail;
5306 }
5307
5308 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5309 device_get_name(sc->dev)));
5310
5311 desc->sdp0 = htole32(segs[0].ds_addr);
5312 desc->sdl0 = htole16(MJUMPAGESIZE);
5313 }
5314
5315 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5316 if (error != 0)
5317 {
5318 printf("%s: could not create Rx spare DMA map\n",
5319 device_get_nameunit(sc->dev));
5320 goto fail;
5321 }
5322
5323 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5324 BUS_DMASYNC_PREWRITE);
5325
5326 return 0;
5327
5328 fail:
5329
5330 rt2860_free_rx_ring(sc, ring);
5331
5332 return error;
5333 }
5334
5335 /*
5336 * rt2860_reset_rx_ring
5337 */
5338 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5339 struct rt2860_softc_rx_ring *ring)
5340 {
5341 struct rt2860_rxdesc *desc;
5342 int i;
5343
5344 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5345 {
5346 desc = &ring->desc[i];
5347
5348 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5349 }
5350
5351 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5352 BUS_DMASYNC_PREWRITE);
5353
5354 ring->cur = 0;
5355 }
5356
5357 /*
5358 * rt2860_free_rx_ring
5359 */
5360 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5361 struct rt2860_softc_rx_ring *ring)
5362 {
5363 struct rt2860_softc_rx_data *data;
5364 int i;
5365
5366 if (ring->desc != NULL)
5367 {
5368 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5369 BUS_DMASYNC_POSTWRITE);
5370 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5371 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5372 ring->desc_dma_map);
5373 }
5374
5375 if (ring->desc_dma_tag != NULL)
5376 bus_dma_tag_destroy(ring->desc_dma_tag);
5377
5378 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5379 {
5380 data = &ring->data[i];
5381
5382 if (data->m != NULL)
5383 {
5384 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5385 BUS_DMASYNC_POSTREAD);
5386 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5387 m_freem(data->m);
5388 }
5389
5390 if (data->dma_map != NULL)
5391 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5392 }
5393
5394 if (ring->spare_dma_map != NULL)
5395 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5396
5397 if (ring->data_dma_tag != NULL)
5398 bus_dma_tag_destroy(ring->data_dma_tag);
5399 }
5400
5401 /*
5402 * rt2860_alloc_tx_ring
5403 */
5404 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5405 struct rt2860_softc_tx_ring *ring, int qid)
5406 {
5407 struct rt2860_softc_tx_data *data;
5408 int error, i;
5409
5410 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5411 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5412 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5413 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5414 0, NULL, NULL, &ring->desc_dma_tag);
5415 if (error != 0)
5416 {
5417 printf("%s: could not create Tx desc DMA tag\n",
5418 device_get_nameunit(sc->dev));
5419 goto fail;
5420 }
5421
5422 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5423 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5424 if (error != 0)
5425 {
5426 printf("%s: could not allocate Tx desc DMA memory\n",
5427 device_get_nameunit(sc->dev));
5428 goto fail;
5429 }
5430
5431 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5432 ring->desc,
5433 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5434 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5435 if (error != 0)
5436 {
5437 printf("%s: could not load Tx desc DMA map\n",
5438 device_get_nameunit(sc->dev));
5439 goto fail;
5440 }
5441
5442 ring->desc_queued = 0;
5443 ring->desc_cur = 0;
5444 ring->desc_next = 0;
5445
5446 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5447 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5448 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5449 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5450 0, NULL, NULL, &ring->seg0_dma_tag);
5451 if (error != 0)
5452 {
5453 printf("%s: could not create Tx seg0 DMA tag\n",
5454 device_get_nameunit(sc->dev));
5455 goto fail;
5456 }
5457
5458 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5459 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5460 if (error != 0)
5461 {
5462 printf("%s: could not allocate Tx seg0 DMA memory\n",
5463 device_get_nameunit(sc->dev));
5464 goto fail;
5465 }
5466
5467 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5468 ring->seg0,
5469 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5470 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5471 if (error != 0)
5472 {
5473 printf("%s: could not load Tx seg0 DMA map\n",
5474 device_get_nameunit(sc->dev));
5475 goto fail;
5476 }
5477
5478 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5479 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5480 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5481 &ring->data_dma_tag);
5482 if (error != 0)
5483 {
5484 printf("%s: could not create Tx data DMA tag\n",
5485 device_get_nameunit(sc->dev));
5486 goto fail;
5487 }
5488
5489 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5490 {
5491 data = &ring->data[i];
5492
5493 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5494 if (error != 0)
5495 {
5496 printf("%s: could not create Tx data DMA map\n",
5497 device_get_nameunit(sc->dev));
5498 goto fail;
5499 }
5500 }
5501
5502 ring->data_queued = 0;
5503 ring->data_cur = 0;
5504 ring->data_next = 0;
5505
5506 ring->qid = qid;
5507
5508 return 0;
5509
5510 fail:
5511
5512 rt2860_free_tx_ring(sc, ring);
5513
5514 return error;
5515 }
5516
5517 /*
5518 * rt2860_reset_tx_ring
5519 */
5520 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5521 struct rt2860_softc_tx_ring *ring)
5522 {
5523 struct rt2860_softc_tx_data *data;
5524 struct rt2860_txdesc *desc;
5525 int i;
5526
5527 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5528 {
5529 desc = &ring->desc[i];
5530
5531 desc->sdl0 = 0;
5532 desc->sdl1 = 0;
5533 }
5534
5535 ring->desc_queued = 0;
5536 ring->desc_cur = 0;
5537 ring->desc_next = 0;
5538
5539 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5540 BUS_DMASYNC_PREWRITE);
5541
5542 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5543 BUS_DMASYNC_PREWRITE);
5544
5545 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5546 {
5547 data = &ring->data[i];
5548
5549 if (data->m != NULL)
5550 {
5551 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5552 BUS_DMASYNC_POSTWRITE);
5553 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5554 m_freem(data->m);
5555 data->m = NULL;
5556 }
5557
5558 if (data->ni != NULL)
5559 {
5560 ieee80211_free_node(data->ni);
5561 data->ni = NULL;
5562 }
5563 }
5564
5565 ring->data_queued = 0;
5566 ring->data_cur = 0;
5567 ring->data_next = 0;
5568 }
5569
5570 /*
5571 * rt2860_free_tx_ring
5572 */
5573 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5574 struct rt2860_softc_tx_ring *ring)
5575 {
5576 struct rt2860_softc_tx_data *data;
5577 int i;
5578
5579 if (ring->desc != NULL)
5580 {
5581 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5582 BUS_DMASYNC_POSTWRITE);
5583 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5584 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5585 ring->desc_dma_map);
5586 }
5587
5588 if (ring->desc_dma_tag != NULL)
5589 bus_dma_tag_destroy(ring->desc_dma_tag);
5590
5591 if (ring->seg0 != NULL)
5592 {
5593 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5594 BUS_DMASYNC_POSTWRITE);
5595 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5596 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5597 ring->seg0_dma_map);
5598 }
5599
5600 if (ring->seg0_dma_tag != NULL)
5601 bus_dma_tag_destroy(ring->seg0_dma_tag);
5602
5603 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5604 {
5605 data = &ring->data[i];
5606
5607 if (data->m != NULL)
5608 {
5609 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5610 BUS_DMASYNC_POSTWRITE);
5611 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5612 m_freem(data->m);
5613 }
5614
5615 if (data->ni != NULL)
5616 ieee80211_free_node(data->ni);
5617
5618 if (data->dma_map != NULL)
5619 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5620 }
5621
5622 if (ring->data_dma_tag != NULL)
5623 bus_dma_tag_destroy(ring->data_dma_tag);
5624 }
5625
5626 /*
5627 * rt2860_dma_map_addr
5628 */
5629 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5630 int nseg, int error)
5631 {
5632 if (error != 0)
5633 return;
5634
5635 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5636
5637 *(bus_addr_t *) arg = segs[0].ds_addr;
5638 }
5639
5640 /*
5641 * rt2860_sysctl_attach
5642 */
5643 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5644 {
5645 struct sysctl_ctx_list *ctx;
5646 struct sysctl_oid *tree;
5647 struct sysctl_oid *stats;
5648
5649 ctx = device_get_sysctl_ctx(sc->dev);
5650 tree = device_get_sysctl_tree(sc->dev);
5651
5652 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5653 "stats", CTLFLAG_RD, 0, "statistic");
5654
5655 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5656 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5657 "all interrupts");
5658
5659 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5660 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5661 "Tx coherent interrupts");
5662
5663 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5664 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5665 "Rx coherent interrupts");
5666
5667 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5668 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5669 "Tx/Rx coherent interrupts");
5670
5671 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5672 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5673 "FIFO statistic full interrupts");
5674
5675 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5676 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5677 "Rx interrupts");
5678
5679 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5680 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5681 "Rx delay interrupts");
5682
5683 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5684 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5685 "Tx MGMT interrupts");
5686
5687 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5688 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5689 "Tx HCCA interrupts");
5690
5691 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5692 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5693 "Tx AC3 interrupts");
5694
5695 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5696 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5697 "Tx AC2 interrupts");
5698
5699 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5700 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5701 "Tx AC1 interrupts");
5702
5703 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5704 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5705 "Tx AC0 interrupts");
5706
5707 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5708 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5709 "Tx delay interrupts");
5710
5711 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5712 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5713 "Pre-TBTT interrupts");
5714
5715 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5716 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5717 "TBTT interrupts");
5718
5719 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5720 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5721 "MCU command interrupts");
5722
5723 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5724 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5725 "auto wakeup interrupts");
5726
5727 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5728 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5729 "GP timer interrupts");
5730
5731 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5732 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5733 "Tx MGMT descriptors queued");
5734
5735 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5736 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5737 "Tx MGMT data queued");
5738
5739 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5740 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5741 "Tx HCCA descriptors queued");
5742
5743 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5744 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5745 "Tx HCCA data queued");
5746
5747 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5748 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5749 "Tx AC3 descriptors queued");
5750
5751 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5752 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5753 "Tx AC3 data queued");
5754
5755 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5756 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5757 "Tx AC2 descriptors queued");
5758
5759 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5760 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5761 "Tx AC2 data queued");
5762
5763 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5764 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5765 "Tx AC1 descriptors queued");
5766
5767 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5768 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5769 "Tx AC1 data queued");
5770
5771 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5772 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5773 "Tx AC0 descriptors queued");
5774
5775 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5776 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5777 "Tx AC0 data queued");
5778
5779 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5780 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5781 "Tx MGMT data queue full");
5782
5783 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5784 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5785 "Tx HCCA data queue full");
5786
5787 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5788 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5789 "Tx AC3 data queue full");
5790
5791 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5792 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5793 "Tx AC2 data queue full");
5794
5795 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5796 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5797 "Tx AC1 data queue full");
5798
5799 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5800 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5801 "Tx AC0 data queue full");
5802
5803 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5804 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5805 "Tx watchdog timeouts");
5806
5807 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5808 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
5809 "Tx defragmented packets");
5810
5811 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5812 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
5813 "no Tx descriptors available");
5814
5815 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5816 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5817 "Rx mbuf allocation errors");
5818
5819 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5820 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
5821 "Rx mbuf DMA mapping errors");
5822
5823 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5824 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5825 "Tx queue 0 not empty");
5826
5827 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5828 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5829 "Tx queue 1 not empty");
5830
5831 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5832 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5833 "Tx beacons");
5834
5835 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5836 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5837 "Tx successfull without retries");
5838
5839 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5840 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5841 "Tx successfull with retries");
5842
5843 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5844 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5845 "Tx failed");
5846
5847 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5848 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5849 "Tx non-aggregated");
5850
5851 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5852 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5853 "Tx aggregated");
5854
5855 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5856 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5857 "Tx A-MPDU");
5858
5859 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5860 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5861 "Rx packets");
5862
5863 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5864 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5865 "Rx A-MPDU");
5866
5867 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5868 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5869 "Rx A-MSDU");
5870
5871 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5872 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5873 "Rx CRC errors");
5874
5875 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5876 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5877 "Rx PHY errors");
5878
5879 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5880 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5881 "Rx false CCAs");
5882
5883 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5884 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5885 "Rx PLCP errors");
5886
5887 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5888 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5889 "Rx duplicate packets");
5890
5891 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5892 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5893 "Rx FIFO overflows");
5894 }
5895
5896 static device_method_t rt2860_dev_methods[] =
5897 {
5898 DEVMETHOD(device_probe, rt2860_probe),
5899 DEVMETHOD(device_attach, rt2860_attach),
5900 DEVMETHOD(device_detach, rt2860_detach),
5901 DEVMETHOD(device_shutdown, rt2860_shutdown),
5902 DEVMETHOD(device_suspend, rt2860_suspend),
5903 DEVMETHOD(device_resume, rt2860_resume),
5904 { 0, 0 }
5905 };
5906
5907 static driver_t rt2860_driver =
5908 {
5909 "rt2860",
5910 rt2860_dev_methods,
5911 sizeof(struct rt2860_softc)
5912 };
5913
5914 static devclass_t rt2860_dev_class;
5915
5916 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
5917
5918 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
5919 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860