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Introduced STA id mask in order to map association id to WCID and node cleanup function
[ralink_drivers/rt2860_fbsd72.git] / rt2860.c
blob2e3323835c89284724cdc447243d51ef5e92c4f5
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 #define RT2860_WCID_RESERVED 0xff
63 #define RT2860_WCID_MCAST 0xf7
64
65 /*
66 * Data structures and types
67 */
68
69 struct rt2860_pci_ident
70 {
71 uint16_t vendor;
72 uint16_t device;
73 const char *name;
74 };
75
76 /*
77 * Static function prototypes
78 */
79
80 static int rt2860_probe(device_t dev);
81
82 static int rt2860_attach(device_t dev);
83
84 static int rt2860_detach(device_t dev);
85
86 static int rt2860_shutdown(device_t dev);
87
88 static int rt2860_suspend(device_t dev);
89
90 static int rt2860_resume(device_t dev);
91
92 static void rt2860_init_channels(struct rt2860_softc *sc);
93
94 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
95
96 static void rt2860_init_locked(void *priv);
97
98 static void rt2860_init(void *priv);
99
100 static int rt2860_init_bbp(struct rt2860_softc *sc);
101
102 static void rt2860_stop_locked(void *priv);
103
104 static void rt2860_stop(void *priv);
105
106 static void rt2860_start(struct ifnet *ifp);
107
108 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
109
110 static int rt2860_reset(struct ifnet *ifp);
111
112 static int rt2860_newstate(struct ieee80211com *ic,
113 enum ieee80211_state nstate, int arg);
114
115 static void rt2860_scan_start(struct ieee80211com *ic);
116
117 static void rt2860_scan_end(struct ieee80211com *ic);
118
119 static void rt2860_set_channel(struct ieee80211com *ic);
120
121 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
122
123 static void rt2860_updateslot(struct ifnet *ifp);
124
125 static int rt2860_wme_update(struct ieee80211com *ic);
126
127 static void rt2860_update_beacon(struct ieee80211com *ic, int what);
128
129 static void rt2860_key_update_begin(struct ieee80211com *ic);
130
131 static void rt2860_key_update_end(struct ieee80211com *ic);
132
133 static int rt2860_key_set(struct ieee80211com *ic,
134 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
135
136 static int rt2860_key_delete(struct ieee80211com *ic,
137 const struct ieee80211_key *k);
138
139 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
140 const struct ieee80211_bpf_params *params);
141
142 static int rt2860_media_change(struct ifnet *ifp);
143
144 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211_node_table *nt);
145
146 static void rt2860_node_cleanup(struct ieee80211_node *ni);
147
148 static void rt2860_recv_action(struct ieee80211_node *ni,
149 const uint8_t *frm, const uint8_t *efrm);
150
151 static int rt2860_send_action(struct ieee80211_node *ni,
152 int category, int action, uint16_t args[4]);
153
154 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
155
156 static void rt2860_periodic(void *arg);
157
158 static void rt2860_tx_watchdog(void *arg);
159
160 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid);
161
162 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid);
163
164 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
165 const uint8_t *bssid);
166
167 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
168 const uint8_t *addr);
169
170 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
171
172 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
173
174 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
175
176 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
177
178 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
179
180 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
181
182 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
183
184 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
185
186 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
187
188 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
189
190 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
191
192 static void rt2860_asic_update_beacon(struct rt2860_softc *sc);
193
194 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
195
196 static int rt2860_beacon_alloc(struct rt2860_softc *sc);
197
198 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
199
200 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
201 const struct rt2860_rxwi *rxwi);
202
203 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
204 uint8_t rssi, uint8_t rxpath);
205
206 static uint8_t rt2860_rate2mcs(uint8_t rate);
207
208 static int rt2860_ackrate(struct ieee80211com *ic, int rate);
209
210 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags);
211
212 static int rt2860_tx_frame(struct rt2860_softc *sc,
213 struct mbuf *m, struct ieee80211_node *ni, int qid);
214
215 static int rt2860_tx_raw(struct rt2860_softc *sc,
216 struct mbuf *m, struct ieee80211_node *ni,
217 const struct ieee80211_bpf_params *params);
218
219 static void rt2860_intr(void *arg);
220
221 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
222
223 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
224
225 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
226
227 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
228
229 static void rt2860_rx_intr(struct rt2860_softc *sc);
230
231 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
232
233 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
234
235 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
236
237 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
238
239 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
240
241 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
242
243 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
244
245 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
246
247 static void rt2860_rx_done_task(void *context, int pending);
248
249 static void rt2860_tx_done_task(void *context, int pending);
250
251 static void rt2860_fifo_sta_full_task(void *context, int pending);
252
253 static void rt2860_periodic_task(void *context, int pending);
254
255 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
256
257 static void rt2860_tx_eof(struct rt2860_softc *sc,
258 struct rt2860_softc_tx_ring *ring);
259
260 static void rt2860_update_stats(struct rt2860_softc *sc);
261
262 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
263
264 static void rt2860_watchdog(struct rt2860_softc *sc);
265
266 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
267
268 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
269
270 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
271
272 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
273
274 static int rt2860_txrx_enable(struct rt2860_softc *sc);
275
276 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
277 struct rt2860_softc_rx_ring *ring);
278
279 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
280 struct rt2860_softc_rx_ring *ring);
281
282 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
283 struct rt2860_softc_rx_ring *ring);
284
285 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
286 struct rt2860_softc_tx_ring *ring, int qid);
287
288 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
289 struct rt2860_softc_tx_ring *ring);
290
291 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
292 struct rt2860_softc_tx_ring *ring);
293
294 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
295 int nseg, int error);
296
297 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
298
299 /*
300 * Static variables
301 */
302
303 static const struct rt2860_pci_ident rt2860_pci_ids[] =
304 {
305 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
306 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
307 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
308 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
309 { 0, 0, NULL }
310 };
311
312 static const struct
313 {
314 uint32_t reg;
315 uint32_t val;
316 } rt2860_def_mac[] =
317 {
318 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
319 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
320 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
321 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
322 { RT2860_REG_SYS_CTRL, 0x00000000 },
323 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
324 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
325 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
326 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
327 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
328 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
329 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
330 { RT2860_REG_LED_CFG, 0x7f031e46 },
331 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
332 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
333 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
334 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
335 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
336 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
337 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
338 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
339 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
340 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
341 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
342 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
343 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
344 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
345 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
346 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
347 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
348 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
349 };
350
351 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
352
353 static const struct
354 {
355 uint8_t reg;
356 uint8_t val;
357 } rt2860_def_bbp[] =
358 {
359 { 65, 0x2c },
360 { 66, 0x38 },
361 { 69, 0x12 },
362 { 70, 0x0a },
363 { 73, 0x10 },
364 { 81, 0x37 },
365 { 82, 0x62 },
366 { 83, 0x6a },
367 { 84, 0x99 },
368 { 86, 0x00 },
369 { 91, 0x04 },
370 { 92, 0x00 },
371 { 103, 0x00 },
372 { 105, 0x05 },
373 { 106, 0x35 },
374 };
375
376 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
377
378 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
379
380 #ifdef RT2860_DEBUG
381 static int rt2860_debug = 0;
382 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
383 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
384 #endif
385
386 /*
387 * rt2860_probe
388 */
389 static int rt2860_probe(device_t dev)
390 {
391 const struct rt2860_pci_ident *ident;
392
393 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
394 {
395 if (pci_get_vendor(dev) == ident->vendor &&
396 pci_get_device(dev) == ident->device)
397 {
398 device_set_desc(dev, ident->name);
399 return 0;
400 }
401 }
402
403 return ENXIO;
404 }
405
406 /*
407 * rt2860_attach
408 */
409 static int rt2860_attach(device_t dev)
410 {
411 struct rt2860_softc *sc;
412 struct ifnet *ifp;
413 struct ieee80211com *ic;
414 int error, ntries, i;
415
416 sc = device_get_softc(dev);
417
418 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
419 {
420 printf("%s: chip is in D%d power mode, setting to D0\n",
421 device_get_nameunit(dev), pci_get_powerstate(dev));
422 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
423 }
424
425 /* enable bus-mastering */
426
427 pci_enable_busmaster(dev);
428
429 sc->dev = dev;
430
431 mtx_init(&sc->lock, device_get_nameunit(dev),
432 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
433
434 sc->mem_rid = PCIR_BAR(0);
435 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
436 &sc->mem_rid, RF_ACTIVE);
437 if (sc->mem == NULL)
438 {
439 printf("%s: could not allocate memory resource\n",
440 device_get_nameunit(dev));
441 error = ENXIO;
442 goto fail;
443 }
444
445 sc->bst = rman_get_bustag(sc->mem);
446 sc->bsh = rman_get_bushandle(sc->mem);
447
448 sc->irq_rid = 0;
449 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
450 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
451 if (sc->irq == NULL)
452 {
453 printf("%s: could not allocate interrupt resource\n",
454 device_get_nameunit(dev));
455 error = ENXIO;
456 goto fail;
457 }
458
459 #ifdef RT2860_DEBUG
460 sc->debug = rt2860_debug;
461
462 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
463 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
464 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
465 #endif
466
467 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
468 "%s: attaching\n",
469 device_get_nameunit(sc->dev));
470
471 /* wait for NIC to initialize */
472
473 for (ntries = 0; ntries < 100; ntries++)
474 {
475 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
476 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
477 break;
478
479 DELAY(10);
480 }
481
482 if (ntries == 100)
483 {
484 printf("%s: timeout waiting for NIC to initialize\n",
485 device_get_nameunit(dev));
486 error = EIO;
487 goto fail;
488 }
489
490 rt2860_read_eeprom(sc);
491
492 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
493 device_get_nameunit(sc->dev), sc->mac_rev,
494 rt2860_rf_name(sc->rf_rev));
495
496 /* allocate Tx and Rx rings */
497
498 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
499 {
500 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
501 if (error != 0)
502 {
503 printf("%s: could not allocate Tx ring #%d\n",
504 device_get_nameunit(sc->dev), i);
505 goto fail;
506 }
507 }
508
509 sc->tx_ring_mgtqid = 5;
510
511 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
512 if (error != 0)
513 {
514 printf("%s: could not allocate Rx ring\n",
515 device_get_nameunit(sc->dev));
516 goto fail;
517 }
518
519 callout_init(&sc->periodic_ch, 0);
520 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
521
522 ifp = sc->ifp = if_alloc(IFT_ETHER);
523 if (ifp == NULL)
524 {
525 printf("%s: could not if_alloc()\n",
526 device_get_nameunit(sc->dev));
527 error = ENOMEM;
528 goto fail;
529 }
530
531 ifp->if_softc = sc;
532
533 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
534
535 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
536
537 ifp->if_init = rt2860_init;
538 ifp->if_ioctl = rt2860_ioctl;
539 ifp->if_start = rt2860_start;
540
541 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
542 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
543 IFQ_SET_READY(&ifp->if_snd);
544
545 ic = &sc->ic;
546
547 ic->ic_ifp = ifp;
548
549 ic->ic_phytype = IEEE80211_T_HT;
550 ic->ic_opmode = IEEE80211_M_STA;
551 ic->ic_state = IEEE80211_S_INIT;
552
553 ic->ic_caps = IEEE80211_C_MONITOR |
554 IEEE80211_C_IBSS |
555 IEEE80211_C_AHDEMO |
556 IEEE80211_C_HOSTAP |
557 IEEE80211_C_WDS |
558 IEEE80211_C_BGSCAN |
559 IEEE80211_C_TXPMGT |
560 IEEE80211_C_SHPREAMBLE |
561 IEEE80211_C_SHSLOT |
562 IEEE80211_C_TXFRAG |
563 IEEE80211_C_BURST |
564 IEEE80211_C_WME |
565 IEEE80211_C_WEP |
566 IEEE80211_C_TKIP |
567 IEEE80211_C_AES_CCM |
568 IEEE80211_C_WPA;
569
570 ic->ic_htcaps = IEEE80211_HTC_HT |
571 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
572 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
573 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
574 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
575 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
576 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
577 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
578 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
579
580 /* spatial streams */
581
582 if (sc->nrxpath == 2)
583 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
584 else if (sc->nrxpath == 3)
585 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
586 else
587 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
588
589 if (sc->ntxpath > 1)
590 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
591
592 /* delayed BA */
593
594 if (sc->mac_rev != 0x28600100)
595 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
596
597 /* init channels */
598
599 ic->ic_nchans = 0;
600 ic->ic_regdomain = 0;
601 ic->ic_countrycode = CTRY_DEFAULT;
602 ic->ic_location = 0;
603
604 rt2860_init_channels(sc);
605
606 rt2860_init_channels_ht40(sc);
607
608 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
609
610 ieee80211_ifattach(ic);
611
612 sc->newstate = ic->ic_newstate;
613 ic->ic_newstate = rt2860_newstate;
614
615 ic->ic_reset = rt2860_reset;
616 ic->ic_node_alloc = rt2860_node_alloc;
617
618 sc->node_cleanup = ic->ic_node_cleanup;
619 ic->ic_node_cleanup = rt2860_node_cleanup;
620
621 ic->ic_scan_start = rt2860_scan_start;
622 ic->ic_scan_end = rt2860_scan_end;
623 ic->ic_set_channel = rt2860_set_channel;
624 ic->ic_newassoc = rt2860_newassoc;
625 ic->ic_updateslot = rt2860_updateslot;
626 ic->ic_wme.wme_update = rt2860_wme_update;
627 ic->ic_update_beacon = rt2860_update_beacon;
628 ic->ic_crypto.cs_key_update_begin = rt2860_key_update_begin;
629 ic->ic_crypto.cs_key_update_end = rt2860_key_update_end;
630 ic->ic_crypto.cs_key_set = rt2860_key_set;
631 ic->ic_crypto.cs_key_delete = rt2860_key_delete;
632 ic->ic_raw_xmit = rt2860_raw_xmit;
633
634 sc->recv_action = ic->ic_recv_action;
635 ic->ic_recv_action = rt2860_recv_action;
636
637 sc->send_action = ic->ic_send_action;
638 ic->ic_send_action = rt2860_send_action;
639
640 /* override Rx A-MPDU factor */
641
642 ic->ic_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
643 ic->ic_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
644 ic->ic_ampdu_limit = ic->ic_ampdu_rxmax;
645
646 /* hardware requires padding between 802.11 frame header and body */
647
648 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
649
650 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
651
652 ieee80211_media_init(ic, rt2860_media_change, ieee80211_media_status);
653
654 rt2860_amrr_init(&sc->amrr, ic,
655 sc->ntxpath,
656 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
657 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
658 500);
659
660 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
661 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
662 &sc->drvbpf);
663
664 sc->rxtap_len = sizeof(sc->rxtapu);
665 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
666 sc->rxtap.ihdr.it_present = htole32(RT2860_SOFTC_RX_RADIOTAP_PRESENT);
667
668 sc->txtap_len = sizeof(sc->txtapu);
669 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
670 sc->txtap.ihdr.it_present = htole32(RT2860_SOFTC_TX_RADIOTAP_PRESENT);
671
672 /* init task queue */
673
674 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
675 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
676 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
677 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
678
679 sc->rx_process_limit = 100;
680
681 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
682 taskqueue_thread_enqueue, &sc->taskqueue);
683
684 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
685 device_get_nameunit(sc->dev));
686
687 rt2860_sysctl_attach(sc);
688
689 if (bootverbose)
690 ieee80211_announce(ic);
691
692 /* set up interrupt */
693
694 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
695 NULL, rt2860_intr, sc, &sc->irqh);
696 if (error != 0)
697 {
698 printf("%s: could not set up interrupt\n",
699 device_get_nameunit(dev));
700 goto fail;
701 }
702
703 return 0;
704
705 fail:
706
707 /* free Tx and Rx rings */
708
709 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
710 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
711
712 rt2860_free_rx_ring(sc, &sc->rx_ring);
713
714 mtx_destroy(&sc->lock);
715
716 if (sc->mem != NULL)
717 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
718
719 if (sc->irq != NULL)
720 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
721
722 return error;
723 }
724
725 /*
726 * rt2860_detach
727 */
728 static int rt2860_detach(device_t dev)
729 {
730 struct rt2860_softc *sc;
731 struct ieee80211com *ic;
732 struct ifnet *ifp;
733 int i;
734
735 sc = device_get_softc(dev);
736 ic = &sc->ic;
737 ifp = ic->ic_ifp;
738
739 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
740 "%s: detaching\n",
741 device_get_nameunit(sc->dev));
742
743 RT2860_SOFTC_LOCK(sc);
744
745 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
746
747 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
748
749 callout_stop(&sc->periodic_ch);
750 callout_stop(&sc->tx_watchdog_ch);
751
752 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
753 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
754 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
755 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
756
757 /* free Tx and Rx rings */
758
759 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
760 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
761
762 rt2860_free_rx_ring(sc, &sc->rx_ring);
763
764 RT2860_SOFTC_UNLOCK(sc);
765
766 bpfdetach(ifp);
767
768 ieee80211_ifdetach(ic);
769
770 if_free(ifp);
771
772 taskqueue_free(sc->taskqueue);
773
774 mtx_destroy(&sc->lock);
775
776 bus_generic_detach(dev);
777
778 bus_teardown_intr(dev, sc->irq, sc->irqh);
779
780 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
781
782 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
783
784 return 0;
785 }
786
787 /*
788 * rt2860_shutdown
789 */
790 static int rt2860_shutdown(device_t dev)
791 {
792 struct rt2860_softc *sc;
793
794 sc = device_get_softc(dev);
795
796 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
797 "%s: shutting down\n",
798 device_get_nameunit(sc->dev));
799
800 rt2860_stop(sc);
801
802 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
803
804 return 0;
805 }
806
807 /*
808 * rt2860_suspend
809 */
810 static int rt2860_suspend(device_t dev)
811 {
812 struct rt2860_softc *sc;
813
814 sc = device_get_softc(dev);
815
816 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
817 "%s: suspending\n",
818 device_get_nameunit(sc->dev));
819
820 rt2860_stop(sc);
821
822 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
823
824 return 0;
825 }
826
827 /*
828 * rt2860_resume
829 */
830 static int rt2860_resume(device_t dev)
831 {
832 struct rt2860_softc *sc;
833 struct ifnet *ifp;
834
835 sc = device_get_softc(dev);
836 ifp = sc->ifp;
837
838 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
839 "%s: resuming\n",
840 device_get_nameunit(sc->dev));
841
842 if (ifp->if_flags & IFF_UP)
843 rt2860_init(sc);
844
845 return 0;
846 }
847
848 /*
849 * rt2860_init_channels
850 */
851 static void rt2860_init_channels(struct rt2860_softc *sc)
852 {
853 struct ieee80211com *ic;
854 struct ieee80211_channel *c;
855 int i, flags;
856
857 ic = &sc->ic;
858
859 /* set supported channels for 2GHz band */
860
861 for (i = 1; i <= 14; i++)
862 {
863 c = &ic->ic_channels[ic->ic_nchans++];
864 flags = IEEE80211_CHAN_B;
865
866 c->ic_freq = ieee80211_ieee2mhz(i, flags);
867 c->ic_ieee = i;
868 c->ic_flags = flags;
869
870 c = &ic->ic_channels[ic->ic_nchans++];
871 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
872
873 c->ic_freq = ieee80211_ieee2mhz(i, flags);
874 c->ic_ieee = i;
875 c->ic_flags = flags;
876
877 c = &ic->ic_channels[ic->ic_nchans++];
878 flags = IEEE80211_CHAN_G;
879
880 c->ic_freq = ieee80211_ieee2mhz(i, flags);
881 c->ic_ieee = i;
882 c->ic_flags = flags;
883
884 c = &ic->ic_channels[ic->ic_nchans++];
885 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
886
887 c->ic_freq = ieee80211_ieee2mhz(i, flags);
888 c->ic_ieee = i;
889 c->ic_flags = flags;
890 }
891
892 /* set supported channels for 5GHz band */
893
894 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
895 sc->rf_rev == RT2860_EEPROM_RF_2750)
896 {
897 for (i = 36; i <= 64; i += 4)
898 {
899 c = &ic->ic_channels[ic->ic_nchans++];
900 flags = IEEE80211_CHAN_A;
901
902 c->ic_freq = ieee80211_ieee2mhz(i, flags);
903 c->ic_ieee = i;
904 c->ic_flags = flags;
905
906 c = &ic->ic_channels[ic->ic_nchans++];
907 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
908
909 c->ic_freq = ieee80211_ieee2mhz(i, flags);
910 c->ic_ieee = i;
911 c->ic_flags = flags;
912 }
913
914 for (i = 100; i <= 140; i += 4)
915 {
916 c = &ic->ic_channels[ic->ic_nchans++];
917 flags = IEEE80211_CHAN_A;
918
919 c->ic_freq = ieee80211_ieee2mhz(i, flags);
920 c->ic_ieee = i;
921 c->ic_flags = flags;
922
923 c = &ic->ic_channels[ic->ic_nchans++];
924 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
925
926 c->ic_freq = ieee80211_ieee2mhz(i, flags);
927 c->ic_ieee = i;
928 c->ic_flags = flags;
929 }
930
931 for (i = 149; i <= 165; i += 4)
932 {
933 c = &ic->ic_channels[ic->ic_nchans++];
934 flags = IEEE80211_CHAN_A;
935
936 c->ic_freq = ieee80211_ieee2mhz(i, flags);
937 c->ic_ieee = i;
938 c->ic_flags = flags;
939
940 c = &ic->ic_channels[ic->ic_nchans++];
941 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
942
943 c->ic_freq = ieee80211_ieee2mhz(i, flags);
944 c->ic_ieee = i;
945 c->ic_flags = flags;
946 }
947 }
948 }
949
950 /*
951 * rt2860_init_channels_ht40
952 */
953 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
954 {
955 struct ieee80211com *ic;
956 struct ieee80211_channel *c, *cent, *ext;
957 int i, flags;
958
959 ic = &sc->ic;
960
961 /* set supported channels for 2GHz band */
962
963 for (i = 1; i <= 14; i++)
964 {
965 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
966
967 /* find the center channel */
968
969 cent = ieee80211_find_channel_byieee(ic, i,
970 flags & ~IEEE80211_CHAN_HT);
971 if (cent == NULL)
972 {
973 printf("%s: skip channel %d, could not find center channel\n",
974 device_get_nameunit(sc->dev), i);
975 continue;
976 }
977
978 /* find the extension channel */
979
980 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
981 flags & ~IEEE80211_CHAN_HT);
982 if (ext == NULL)
983 {
984 printf("%s: skip channel %d, could not find extension channel\n",
985 device_get_nameunit(sc->dev), i);
986 continue;
987 }
988
989 c = &ic->ic_channels[ic->ic_nchans++];
990
991 *c = *cent;
992 c->ic_extieee = ext->ic_ieee;
993 c->ic_flags &= ~IEEE80211_CHAN_HT;
994 c->ic_flags |= IEEE80211_CHAN_HT40U;
995
996 c = &ic->ic_channels[ic->ic_nchans++];
997
998 *c = *ext;
999 c->ic_extieee = cent->ic_ieee;
1000 c->ic_flags &= ~IEEE80211_CHAN_HT;
1001 c->ic_flags |= IEEE80211_CHAN_HT40D;
1002 }
1003
1004 /* set supported channels for 5GHz band */
1005
1006 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
1007 sc->rf_rev == RT2860_EEPROM_RF_2750)
1008 {
1009 for (i = 36; i <= 64; i += 4)
1010 {
1011 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1012
1013 /* find the center channel */
1014
1015 cent = ieee80211_find_channel_byieee(ic, i,
1016 flags & ~IEEE80211_CHAN_HT);
1017 if (cent == NULL)
1018 {
1019 printf("%s: skip channel %d, could not find center channel\n",
1020 device_get_nameunit(sc->dev), i);
1021 continue;
1022 }
1023
1024 /* find the extension channel */
1025
1026 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1027 flags & ~IEEE80211_CHAN_HT);
1028 if (ext == NULL)
1029 {
1030 printf("%s: skip channel %d, could not find extension channel\n",
1031 device_get_nameunit(sc->dev), i);
1032 continue;
1033 }
1034
1035 c = &ic->ic_channels[ic->ic_nchans++];
1036
1037 *c = *cent;
1038 c->ic_extieee = ext->ic_ieee;
1039 c->ic_flags &= ~IEEE80211_CHAN_HT;
1040 c->ic_flags |= IEEE80211_CHAN_HT40U;
1041
1042 c = &ic->ic_channels[ic->ic_nchans++];
1043
1044 *c = *ext;
1045 c->ic_extieee = cent->ic_ieee;
1046 c->ic_flags &= ~IEEE80211_CHAN_HT;
1047 c->ic_flags |= IEEE80211_CHAN_HT40D;
1048 }
1049
1050 for (i = 100; i <= 140; i += 4)
1051 {
1052 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1053
1054 /* find the center channel */
1055
1056 cent = ieee80211_find_channel_byieee(ic, i,
1057 flags & ~IEEE80211_CHAN_HT);
1058 if (cent == NULL)
1059 {
1060 printf("%s: skip channel %d, could not find center channel\n",
1061 device_get_nameunit(sc->dev), i);
1062 continue;
1063 }
1064
1065 /* find the extension channel */
1066
1067 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1068 flags & ~IEEE80211_CHAN_HT);
1069 if (ext == NULL)
1070 {
1071 printf("%s: skip channel %d, could not find extension channel\n",
1072 device_get_nameunit(sc->dev), i);
1073 continue;
1074 }
1075
1076 c = &ic->ic_channels[ic->ic_nchans++];
1077
1078 *c = *cent;
1079 c->ic_extieee = ext->ic_ieee;
1080 c->ic_flags &= ~IEEE80211_CHAN_HT;
1081 c->ic_flags |= IEEE80211_CHAN_HT40U;
1082
1083 c = &ic->ic_channels[ic->ic_nchans++];
1084
1085 *c = *ext;
1086 c->ic_extieee = cent->ic_ieee;
1087 c->ic_flags &= ~IEEE80211_CHAN_HT;
1088 c->ic_flags |= IEEE80211_CHAN_HT40D;
1089 }
1090
1091 for (i = 149; i <= 165; i += 4)
1092 {
1093 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1094
1095 /* find the center channel */
1096
1097 cent = ieee80211_find_channel_byieee(ic, i,
1098 flags & ~IEEE80211_CHAN_HT);
1099 if (cent == NULL)
1100 {
1101 printf("%s: skip channel %d, could not find center channel\n",
1102 device_get_nameunit(sc->dev), i);
1103 continue;
1104 }
1105
1106 /* find the extension channel */
1107
1108 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1109 flags & ~IEEE80211_CHAN_HT);
1110 if (ext == NULL)
1111 {
1112 printf("%s: skip channel %d, could not find extension channel\n",
1113 device_get_nameunit(sc->dev), i);
1114 continue;
1115 }
1116
1117 c = &ic->ic_channels[ic->ic_nchans++];
1118
1119 *c = *cent;
1120 c->ic_extieee = ext->ic_ieee;
1121 c->ic_flags &= ~IEEE80211_CHAN_HT;
1122 c->ic_flags |= IEEE80211_CHAN_HT40U;
1123
1124 c = &ic->ic_channels[ic->ic_nchans++];
1125
1126 *c = *ext;
1127 c->ic_extieee = cent->ic_ieee;
1128 c->ic_flags &= ~IEEE80211_CHAN_HT;
1129 c->ic_flags |= IEEE80211_CHAN_HT40D;
1130 }
1131 }
1132 }
1133
1134 /*
1135 * rt2860_init_locked
1136 */
1137 static void rt2860_init_locked(void *priv)
1138 {
1139 struct rt2860_softc *sc;
1140 struct ieee80211com *ic;
1141 struct ifnet *ifp;
1142 int error, i, ntries;
1143 uint32_t tmp, stacnt[6];
1144
1145 sc = priv;
1146 ic = &sc->ic;
1147 ifp = ic->ic_ifp;
1148
1149 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1150 "%s: initializing\n",
1151 device_get_nameunit(sc->dev));
1152
1153 RT2860_SOFTC_ASSERT_LOCKED(sc);
1154
1155 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1156 {
1157 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1158 "%s: loading 8051 microcode\n",
1159 device_get_nameunit(sc->dev));
1160
1161 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1162 if (error != 0)
1163 {
1164 printf("%s: could not load 8051 microcode\n",
1165 device_get_nameunit(sc->dev));
1166 goto fail;
1167 }
1168
1169 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1170 "%s: 8051 microcode was successfully loaded\n",
1171 device_get_nameunit(sc->dev));
1172
1173 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1174 }
1175
1176 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1177
1178 /* disable DMA engine */
1179
1180 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1181
1182 tmp &= 0xff0;
1183 tmp |= RT2860_REG_TX_WB_DDONE;
1184
1185 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1186
1187 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1188
1189 /* PBF hardware reset */
1190
1191 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1192 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1193
1194 /* wait while DMA engine is busy */
1195
1196 for (ntries = 0; ntries < 100; ntries++)
1197 {
1198 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1199 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1200 break;
1201
1202 DELAY(1000);
1203 }
1204
1205 if (ntries == 100)
1206 {
1207 printf("%s: timeout waiting for DMA engine\n",
1208 device_get_nameunit(sc->dev));
1209 goto fail;
1210 }
1211
1212 tmp &= 0xff0;
1213 tmp |= RT2860_REG_TX_WB_DDONE;
1214
1215 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1216
1217 /* reset Rx and Tx rings */
1218
1219 tmp = RT2860_REG_RST_IDX_RX |
1220 RT2860_REG_RST_IDX_TX_MGMT |
1221 RT2860_REG_RST_IDX_TX_HCCA |
1222 RT2860_REG_RST_IDX_TX_AC3 |
1223 RT2860_REG_RST_IDX_TX_AC2 |
1224 RT2860_REG_RST_IDX_TX_AC1 |
1225 RT2860_REG_RST_IDX_TX_AC0;
1226
1227 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1228
1229 /* PBF hardware reset */
1230
1231 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1232 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1233
1234 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1235
1236 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1237 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1238 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1239
1240 /* init Tx power per rate */
1241
1242 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1243 {
1244 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1245 continue;
1246
1247 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1248 sc->txpow_rate_20mhz[i]);
1249 }
1250
1251 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1252 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1253 rt2860_def_mac[i].val);
1254
1255 /* wait while MAC is busy */
1256
1257 for (ntries = 0; ntries < 100; ntries++)
1258 {
1259 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1260 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1261 break;
1262
1263 DELAY(1000);
1264 }
1265
1266 if (ntries == 100)
1267 {
1268 printf("%s: timeout waiting for MAC\n",
1269 device_get_nameunit(sc->dev));
1270 goto fail;
1271 }
1272
1273 /* clear Host to MCU mailbox */
1274
1275 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1276 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1277
1278 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1279 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1280
1281 DELAY(1000);
1282
1283 error = rt2860_init_bbp(sc);
1284 if (error != 0)
1285 goto fail;
1286
1287 /* set up maximum buffer sizes */
1288
1289 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1290
1291 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1292
1293 /* set mac address */
1294
1295 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1296
1297 rt2860_asic_set_macaddr(sc, ic->ic_myaddr);
1298
1299 /* clear statistic registers */
1300
1301 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1302 stacnt, sizeof(stacnt));
1303
1304 /* set RTS threshold */
1305
1306 rt2860_asic_update_rtsthreshold(sc);
1307
1308 /* set Tx power */
1309
1310 rt2860_asic_update_txpower(sc);
1311
1312 /* set up protection mode */
1313
1314 sc->tx_ampdu_sessions = 0;
1315
1316 rt2860_asic_updateprot(sc);
1317
1318 /* clear beacon frame space (entries = 8, entry size = 512) */
1319
1320 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1321
1322 taskqueue_unblock(sc->taskqueue);
1323
1324 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1325
1326 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1327 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1328
1329 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1330 {
1331 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1332 sc->tx_ring[i].desc_phys_addr);
1333 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1334 RT2860_SOFTC_TX_RING_DESC_COUNT);
1335 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1336 }
1337
1338 /* init Rx ring */
1339
1340 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1341
1342 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1343 sc->rx_ring.desc_phys_addr);
1344 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1345 RT2860_SOFTC_RX_RING_DATA_COUNT);
1346 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1347 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1348
1349 /* wait while DMA engine is busy */
1350
1351 for (ntries = 0; ntries < 100; ntries++)
1352 {
1353 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1354 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1355 break;
1356
1357 DELAY(1000);
1358 }
1359
1360 if (ntries == 100)
1361 {
1362 printf("%s: timeout waiting for DMA engine\n",
1363 device_get_nameunit(sc->dev));
1364 goto fail;
1365 }
1366
1367 tmp &= 0xff0;
1368 tmp |= RT2860_REG_TX_WB_DDONE;
1369
1370 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1371
1372 /* disable interrupts mitigation */
1373
1374 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1375
1376 /* send LEDs operating mode to microcontroller */
1377
1378 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1379 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1380 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1381 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1382 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1383 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1384
1385 /* turn radio LED on */
1386
1387 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1388
1389 /* write vendor-specific BBP values (from EEPROM) */
1390
1391 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1392 {
1393 if (sc->bbp_eeprom[i].reg == 0x00 ||
1394 sc->bbp_eeprom[i].reg == 0xff)
1395 continue;
1396
1397 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1398 sc->bbp_eeprom[i].val);
1399 }
1400
1401 /*
1402 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1403 if (tmp & (1 << 2))
1404 {
1405 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1406 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1407 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1408
1409 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1410 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1411 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1412 }
1413 */
1414
1415 /* disable non-existing Rx chains */
1416
1417 tmp = rt2860_io_bbp_read(sc, 3);
1418
1419 tmp &= ~((1 << 4) | (1 << 3));
1420
1421 if (sc->nrxpath == 3)
1422 tmp |= (1 << 4);
1423 else if (sc->nrxpath == 2)
1424 tmp |= (1 << 3);
1425
1426 rt2860_io_bbp_write(sc, 3, tmp);
1427
1428 /* disable non-existing Tx chains */
1429
1430 tmp = rt2860_io_bbp_read(sc, 1);
1431
1432 tmp &= ~((1 << 4) | (1 << 3));
1433
1434 if (sc->ntxpath == 2)
1435 tmp |= (1 << 4);
1436
1437 rt2860_io_bbp_write(sc, 1, tmp);
1438
1439 /* set current channel */
1440
1441 rt2860_rf_set_chan(sc, ic->ic_curchan);
1442
1443 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1444 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1445 (48 << 16) | 96);
1446
1447 if ((sc->mac_rev & 0xffff) != 0x0101)
1448 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1449
1450 /* clear pending interrupts */
1451
1452 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1453
1454 /* enable interrupts */
1455
1456 tmp = RT2860_REG_INT_TX_COHERENT |
1457 RT2860_REG_INT_RX_COHERENT |
1458 RT2860_REG_INT_GP_TIMER |
1459 RT2860_REG_INT_AUTO_WAKEUP |
1460 RT2860_REG_INT_FIFO_STA_FULL |
1461 /*
1462 RT2860_REG_INT_PRE_TBTT |
1463 RT2860_REG_INT_TBTT |
1464 */
1465 RT2860_REG_INT_TXRX_COHERENT |
1466 RT2860_REG_INT_MCU_CMD |
1467 RT2860_REG_INT_TX_MGMT_DONE |
1468 RT2860_REG_INT_TX_HCCA_DONE |
1469 RT2860_REG_INT_TX_AC3_DONE |
1470 RT2860_REG_INT_TX_AC2_DONE |
1471 RT2860_REG_INT_TX_AC1_DONE |
1472 RT2860_REG_INT_TX_AC0_DONE |
1473 RT2860_REG_INT_RX_DONE;
1474
1475 sc->intr_enable_mask = tmp;
1476
1477 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1478
1479 if (rt2860_txrx_enable(sc) != 0)
1480 goto fail;
1481
1482 /* clear garbage interrupts */
1483
1484 tmp = rt2860_io_mac_read(sc, 0x1300);
1485
1486 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1487 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1488
1489 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1490 {
1491 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1492 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1493 }
1494 else
1495 {
1496 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1497 }
1498
1499 sc->periodic_round = 0;
1500
1501 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1502
1503 return;
1504
1505 fail:
1506
1507 rt2860_stop_locked(sc);
1508 }
1509
1510 /*
1511 * rt2860_init
1512 */
1513 static void rt2860_init(void *priv)
1514 {
1515 struct rt2860_softc *sc;
1516
1517 sc = priv;
1518
1519 RT2860_SOFTC_LOCK(sc);
1520
1521 rt2860_init_locked(sc);
1522
1523 RT2860_SOFTC_UNLOCK(sc);
1524 }
1525
1526 /*
1527 * rt2860_init_bbp
1528 */
1529 static int rt2860_init_bbp(struct rt2860_softc *sc)
1530 {
1531 int ntries, i;
1532 uint8_t tmp;
1533
1534 for (ntries = 0; ntries < 20; ntries++)
1535 {
1536 tmp = rt2860_io_bbp_read(sc, 0);
1537 if (tmp != 0x00 && tmp != 0xff)
1538 break;
1539 }
1540
1541 if (tmp == 0x00 || tmp == 0xff)
1542 {
1543 printf("%s: timeout waiting for BBP to wakeup\n",
1544 device_get_nameunit(sc->dev));
1545 return ETIMEDOUT;
1546 }
1547
1548 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1549 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1550 rt2860_def_bbp[i].val);
1551
1552 if ((sc->mac_rev & 0xffff) != 0x0101)
1553 rt2860_io_bbp_write(sc, 84, 0x19);
1554
1555 return 0;
1556 }
1557
1558 /*
1559 * rt2860_stop_locked
1560 */
1561 static void rt2860_stop_locked(void *priv)
1562 {
1563 struct rt2860_softc *sc;
1564 struct ieee80211com *ic;
1565 struct ifnet *ifp;
1566 uint32_t tmp;
1567
1568 sc = priv;
1569 ic = &sc->ic;
1570 ifp = ic->ic_ifp;
1571
1572 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1573 "%s: stopping\n",
1574 device_get_nameunit(sc->dev));
1575
1576 RT2860_SOFTC_ASSERT_LOCKED(sc);
1577
1578 sc->tx_timer = 0;
1579
1580 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1581 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1582
1583 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1584
1585 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1586
1587 callout_stop(&sc->periodic_ch);
1588 callout_stop(&sc->tx_watchdog_ch);
1589
1590 RT2860_SOFTC_UNLOCK(sc);
1591
1592 taskqueue_block(sc->taskqueue);
1593
1594 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1595 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1596 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1597 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1598
1599 RT2860_SOFTC_LOCK(sc);
1600
1601 /* clear key tables */
1602
1603 rt2860_asic_clear_keytables(sc);
1604
1605 /* disable interrupts */
1606
1607 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1608
1609 /* disable Tx/Rx */
1610
1611 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1612
1613 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1614
1615 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1616
1617 /* reset adapter */
1618
1619 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1620 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1621 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1622
1623 if (sc->beacon_mbuf != NULL)
1624 {
1625 m_free(sc->beacon_mbuf);
1626 sc->beacon_mbuf = NULL;
1627 }
1628 }
1629
1630 /*
1631 * rt2860_stop
1632 */
1633 static void rt2860_stop(void *priv)
1634 {
1635 struct rt2860_softc *sc;
1636
1637 sc = priv;
1638
1639 RT2860_SOFTC_LOCK(sc);
1640
1641 rt2860_stop_locked(sc);
1642
1643 RT2860_SOFTC_UNLOCK(sc);
1644 }
1645
1646 /*
1647 * rt2860_start
1648 */
1649 static void rt2860_start(struct ifnet *ifp)
1650 {
1651 struct rt2860_softc *sc;
1652 struct ieee80211com *ic;
1653 struct ieee80211_node *ni;
1654 struct ether_header *eh;
1655 struct mbuf *m;
1656 int qid;
1657
1658 sc = ifp->if_softc;
1659 ic = &sc->ic;
1660
1661 RT2860_SOFTC_LOCK(sc);
1662
1663 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1664 {
1665 RT2860_SOFTC_UNLOCK(sc);
1666 return;
1667 }
1668
1669 for (;;)
1670 {
1671 IF_POLL(&ic->ic_mgtq, m);
1672 if (m != NULL)
1673 {
1674 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1675 {
1676 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1677 "%s: if_start: Tx ring with qid=%d is full\n",
1678 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1679
1680 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1681
1682 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1683
1684 break;
1685 }
1686
1687 IF_DEQUEUE(&ic->ic_mgtq, m);
1688
1689 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1690 m->m_pkthdr.rcvif = NULL;
1691
1692 if (bpf_peers_present(ic->ic_rawbpf))
1693 bpf_mtap(ic->ic_rawbpf, m);
1694
1695 if (rt2860_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1696 break;
1697
1698 rt2860_drain_fifo_stats(sc);
1699 }
1700 else
1701 {
1702 if (ic->ic_state != IEEE80211_S_RUN)
1703 break;
1704
1705 IF_POLL(&ifp->if_snd, m);
1706 if (m == NULL)
1707 break;
1708
1709 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1710
1711 if (ic->ic_flags & IEEE80211_F_SCAN)
1712 ieee80211_cancel_scan(ic);
1713
1714 if (m->m_len < sizeof(struct ether_header) &&
1715 !(m = m_pullup(m, sizeof (struct ether_header))))
1716 continue;
1717
1718 eh = mtod(m, struct ether_header *);
1719
1720 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1721 if (ni == NULL)
1722 {
1723 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1724 "%s: if_start: could not find Tx node\n",
1725 device_get_nameunit(sc->dev));
1726
1727 m_freem(m);
1728 continue;
1729 }
1730
1731 ieee80211_classify(ic, m, ni);
1732
1733 qid = M_WME_GETAC(m);
1734
1735 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1736 {
1737 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1738 "%s: if_start: Tx ring with qid=%d is full\n",
1739 device_get_nameunit(sc->dev), qid);
1740
1741 m_freem(m);
1742 ieee80211_free_node(ni);
1743
1744 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1745 ifp->if_oerrors++;
1746
1747 sc->tx_data_queue_full[qid]++;
1748
1749 break;
1750 }
1751
1752 BPF_MTAP(ifp, m);
1753
1754 m = ieee80211_encap(ic, m, ni);
1755 if (m == NULL)
1756 {
1757 ieee80211_free_node(ni);
1758 ifp->if_oerrors++;
1759 continue;
1760 }
1761
1762 if (bpf_peers_present(ic->ic_rawbpf))
1763 bpf_mtap(ic->ic_rawbpf, m);
1764
1765 if (rt2860_tx_frame(sc, m, ni, qid) != 0)
1766 {
1767 ieee80211_free_node(ni);
1768
1769 ifp->if_oerrors++;
1770
1771 break;
1772 }
1773
1774 rt2860_drain_fifo_stats(sc);
1775 }
1776
1777 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1778
1779 ic->ic_lastdata = ticks;
1780
1781 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1782 }
1783
1784 RT2860_SOFTC_UNLOCK(sc);
1785 }
1786
1787 /*
1788 * rt2860_ioctl
1789 */
1790 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1791 {
1792 struct rt2860_softc *sc;
1793 struct ieee80211com *ic;
1794 int error;
1795
1796 sc = ifp->if_softc;
1797 ic = &sc->ic;
1798
1799 error = 0;
1800
1801 switch (cmd)
1802 {
1803 case SIOCSIFFLAGS:
1804 RT2860_SOFTC_LOCK(sc);
1805
1806 if (ifp->if_flags & IFF_UP)
1807 {
1808 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1809 {
1810 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1811 rt2860_asic_update_promisc(sc);
1812 }
1813 else
1814 {
1815 rt2860_init_locked(sc);
1816 }
1817 }
1818 else
1819 {
1820 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1821 rt2860_stop_locked(sc);
1822 }
1823
1824 sc->if_flags = ifp->if_flags;
1825
1826 RT2860_SOFTC_UNLOCK(sc);
1827 break;
1828
1829 default:
1830 error = ieee80211_ioctl(ic, cmd, data);
1831 }
1832
1833 if (error == ENETRESET)
1834 {
1835 RT2860_SOFTC_LOCK(sc);
1836
1837 if ((ifp->if_flags & IFF_UP) &&
1838 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1839 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1840 {
1841 rt2860_stop_locked(sc);
1842 rt2860_init_locked(sc);
1843 }
1844
1845 RT2860_SOFTC_UNLOCK(sc);
1846
1847 error = 0;
1848 }
1849
1850 return error;
1851 }
1852
1853 /*
1854 * rt2860_reset
1855 */
1856 static int rt2860_reset(struct ifnet *ifp)
1857 {
1858 struct rt2860_softc *sc;
1859 struct ieee80211com *ic;
1860
1861 sc = ifp->if_softc;
1862 ic = &sc->ic;
1863
1864 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1865 return ENETRESET;
1866
1867 rt2860_rf_set_chan(sc, ic->ic_curchan);
1868
1869 return 0;
1870 }
1871
1872 /*
1873 * rt2860_newstate
1874 */
1875 static int rt2860_newstate(struct ieee80211com *ic,
1876 enum ieee80211_state nstate, int arg)
1877 {
1878 struct rt2860_softc *sc;
1879 struct ifnet *ifp;
1880 struct ieee80211_node *ni;
1881 int error;
1882
1883 ifp = ic->ic_ifp;
1884 sc = ifp->if_softc;
1885
1886 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1887 "%s: newstate: %s -> %s\n",
1888 device_get_nameunit(sc->dev),
1889 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
1890
1891 error = sc->newstate(ic, nstate, arg);
1892 if (error != 0)
1893 return error;
1894
1895 RT2860_SOFTC_LOCK(sc);
1896
1897 /* turn link LED off */
1898
1899 if (nstate != IEEE80211_S_RUN)
1900 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1901
1902 switch (nstate)
1903 {
1904 case IEEE80211_S_INIT:
1905 rt2860_asic_disable_tsf_sync(sc);
1906 break;
1907
1908 case IEEE80211_S_RUN:
1909 ni = ic->ic_bss;
1910
1911 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1912 rt2860_rf_set_chan(sc, ni->ni_chan);
1913
1914 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1915 {
1916 rt2860_asic_enable_mrr(sc);
1917 rt2860_asic_set_txpreamble(sc);
1918 rt2860_asic_set_basicrates(sc);
1919 rt2860_asic_update_txpower(sc);
1920 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1921 }
1922
1923 if (ic->ic_opmode == IEEE80211_M_STA)
1924 rt2860_newassoc(ni, 1);
1925
1926 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
1927 ic->ic_opmode == IEEE80211_M_IBSS)
1928 {
1929 error = rt2860_beacon_alloc(sc);
1930 if (error != 0)
1931 break;
1932
1933 rt2860_asic_update_beacon(sc);
1934 }
1935
1936 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1937 rt2860_asic_enable_tsf_sync(sc);
1938
1939 /* turn link LED on */
1940
1941 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1942 {
1943 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1944 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1945 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1946 }
1947 break;
1948
1949 case IEEE80211_S_SLEEP:
1950 break;
1951
1952 default:
1953 break;
1954 }
1955
1956 RT2860_SOFTC_UNLOCK(sc);
1957
1958 return error;
1959 }
1960
1961 /*
1962 * rt2860_scan_start
1963 */
1964 static void rt2860_scan_start(struct ieee80211com *ic)
1965 {
1966 struct rt2860_softc *sc;
1967 struct ifnet *ifp;
1968
1969 ifp = ic->ic_ifp;
1970 sc = ifp->if_softc;
1971
1972 rt2860_asic_disable_tsf_sync(sc);
1973 }
1974
1975 /*
1976 * rt2860_scan_end
1977 */
1978 static void rt2860_scan_end(struct ieee80211com *ic)
1979 {
1980 struct rt2860_softc *sc;
1981 struct ifnet *ifp;
1982
1983 ifp = ic->ic_ifp;
1984 sc = ifp->if_softc;
1985
1986 rt2860_asic_enable_tsf_sync(sc);
1987 }
1988
1989 /*
1990 * rt2860_set_channel
1991 */
1992 static void rt2860_set_channel(struct ieee80211com *ic)
1993 {
1994 struct rt2860_softc *sc;
1995 struct ifnet *ifp;
1996
1997 ifp = ic->ic_ifp;
1998 sc = ifp->if_softc;
1999
2000 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2001 "%s: set channel: channel=%u, HT%s%s\n",
2002 device_get_nameunit(sc->dev),
2003 ieee80211_chan2ieee(ic, ic->ic_curchan),
2004 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2005 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2006 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2007 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2008
2009 RT2860_SOFTC_LOCK(sc);
2010
2011 rt2860_rf_set_chan(sc, ic->ic_curchan);
2012
2013 RT2860_SOFTC_UNLOCK(sc);
2014 }
2015
2016 /*
2017 * rt2860_newassoc
2018 */
2019 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2020 {
2021 struct rt2860_softc *sc;
2022 struct ieee80211com *ic;
2023 struct ifnet *ifp;
2024 struct rt2860_softc_node *rni;
2025 uint16_t aid;
2026 uint8_t wcid;
2027
2028 ic = ni->ni_ic;
2029 ifp = ic->ic_ifp;
2030 sc = ifp->if_softc;
2031 rni = (struct rt2860_softc_node *) ni;
2032
2033 if (isnew)
2034 {
2035 aid = IEEE80211_AID(ni->ni_associd);
2036 rni->staid = rt2860_staid_alloc(sc, aid);
2037 wcid = rni->staid;
2038
2039 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2040 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2041
2042 rt2860_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2043
2044 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2045 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2046 device_get_nameunit(sc->dev),
2047 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2048 ni->ni_associd,
2049 (ni->ni_flags & IEEE80211_NODE_HT) ?
2050 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2051 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2052 (ni->ni_flags & IEEE80211_NODE_HT) ?
2053 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2054 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2055
2056 rt2860_asic_updateprot(sc);
2057 rt2860_asic_updateslot(sc);
2058 rt2860_asic_set_txpreamble(sc);
2059 }
2060
2061 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2062 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2063 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2064 ni->ni_associd, rni->staid,
2065 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2066 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2067 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2068
2069 }
2070
2071 /*
2072 * rt2860_updateslot
2073 */
2074 static void rt2860_updateslot(struct ifnet *ifp)
2075 {
2076 struct rt2860_softc *sc;
2077
2078 sc = ifp->if_softc;
2079
2080 rt2860_asic_updateslot(sc);
2081 }
2082
2083 /*
2084 * rt2860_wme_update
2085 */
2086 static int rt2860_wme_update(struct ieee80211com *ic)
2087 {
2088 struct rt2860_softc *sc;
2089 struct ifnet *ifp;
2090
2091 ifp = ic->ic_ifp;
2092 sc = ifp->if_softc;
2093
2094 rt2860_asic_wme_update(sc);
2095
2096 return 0;
2097 }
2098
2099 /*
2100 * rt2860_update_beacon
2101 */
2102 static void rt2860_update_beacon(struct ieee80211com *ic, int what)
2103 {
2104 struct rt2860_softc *sc;
2105 struct ifnet *ifp;
2106 struct mbuf *m;
2107 struct ieee80211_beacon_offsets *bo;
2108
2109 ifp = ic->ic_ifp;
2110 sc = ifp->if_softc;
2111 m = sc->beacon_mbuf;
2112 bo = &sc->beacon_offsets;
2113
2114 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2115 "%s: update beacon: what=%d\n",
2116 device_get_nameunit(sc->dev), what);
2117
2118 setbit(bo->bo_flags, what);
2119
2120 ieee80211_beacon_update(ic->ic_bss, bo, m, 0);
2121
2122 rt2860_asic_update_beacon(sc);
2123 }
2124
2125 /*
2126 * rt2860_key_update_begin
2127 */
2128 static void rt2860_key_update_begin(struct ieee80211com *ic)
2129 {
2130 struct rt2860_softc *sc;
2131 struct ifnet *ifp;
2132
2133 ifp = ic->ic_ifp;
2134 sc = ifp->if_softc;
2135
2136 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2137 "%s: key update begin\n",
2138 device_get_nameunit(sc->dev));
2139
2140 taskqueue_block(sc->taskqueue);
2141
2142 IF_LOCK(&ifp->if_snd);
2143 }
2144
2145 /*
2146 * rt2860_key_update_end
2147 */
2148 static void rt2860_key_update_end(struct ieee80211com *ic)
2149 {
2150 struct rt2860_softc *sc;
2151 struct ifnet *ifp;
2152
2153 ifp = ic->ic_ifp;
2154 sc = ifp->if_softc;
2155
2156 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2157 "%s: key update end\n",
2158 device_get_nameunit(sc->dev));
2159
2160 IF_UNLOCK(&ifp->if_snd);
2161
2162 taskqueue_unblock(sc->taskqueue);
2163 }
2164
2165 /*
2166 * rt2860_key_set
2167 */
2168 static int rt2860_key_set(struct ieee80211com *ic,
2169 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2170 {
2171 struct rt2860_softc *sc;
2172 struct ifnet *ifp;
2173 struct ieee80211_node *ni;
2174 struct rt2860_softc_node *rni;
2175 uint16_t key_base, keymode_base;
2176 uint8_t mode, vapid, wcid, iv[8];
2177 uint32_t tmp;
2178
2179 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2180 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2181 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2182 return 0;
2183
2184 ifp = ic->ic_ifp;
2185 sc = ifp->if_softc;
2186
2187 switch (k->wk_cipher->ic_cipher)
2188 {
2189 case IEEE80211_CIPHER_WEP:
2190 if(k->wk_keylen < 8)
2191 mode = RT2860_REG_CIPHER_MODE_WEP40;
2192 else
2193 mode = RT2860_REG_CIPHER_MODE_WEP104;
2194 break;
2195
2196 case IEEE80211_CIPHER_TKIP:
2197 mode = RT2860_REG_CIPHER_MODE_TKIP;
2198 break;
2199
2200 case IEEE80211_CIPHER_AES_CCM:
2201 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2202 break;
2203
2204 default:
2205 return 0;
2206 }
2207
2208 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2209 "%s: set key: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2210 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(mac),
2211 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2212
2213 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2214 {
2215 /* install pairwise key */
2216
2217 ni = ieee80211_find_node(&ic->ic_sta, mac);
2218 rni = (struct rt2860_softc_node *) ni;
2219
2220 vapid = 0;
2221 wcid = rni->staid;
2222 key_base = RT2860_REG_PKEY(wcid);
2223
2224 ieee80211_free_node(ni);
2225
2226 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2227 {
2228 memset(iv, 0, 8);
2229
2230 iv[3] = (k->wk_keyix << 6);
2231 }
2232 else
2233 {
2234 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2235 {
2236 iv[0] = (k->wk_keytsc >> 8);
2237 iv[1] = ((iv[0] | 0x20) & 0x7f);
2238 iv[2] = k->wk_keytsc;
2239 }
2240 else
2241 {
2242 /* AES CCMP */
2243
2244 iv[0] = k->wk_keytsc;
2245 iv[1] = k->wk_keytsc >> 8;
2246 iv[2] = 0;
2247 }
2248
2249 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2250 iv[4] = (k->wk_keytsc >> 16);
2251 iv[5] = (k->wk_keytsc >> 24);
2252 iv[6] = (k->wk_keytsc >> 32);
2253 iv[7] = (k->wk_keytsc >> 40);
2254
2255 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2256 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2257 device_get_nameunit(sc->dev),
2258 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2259 }
2260
2261 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2262
2263 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2264 {
2265 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2266
2267 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2268 {
2269 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2270 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2271 }
2272 else
2273 {
2274 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2275 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2276 }
2277 }
2278 else
2279 {
2280 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2281 }
2282
2283 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2284 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2285
2286 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2287 }
2288
2289 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2290 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2291 {
2292 /* install group key */
2293
2294 vapid = 0;
2295 wcid = RT2860_WCID_MCAST;
2296 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2297 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2298
2299 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2300 {
2301 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2302
2303 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2304 {
2305 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2306 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2307 }
2308 else
2309 {
2310 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2311 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2312 }
2313 }
2314 else
2315 {
2316 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2317 }
2318
2319 tmp = rt2860_io_mac_read(sc, keymode_base);
2320
2321 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2322 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2323
2324 rt2860_io_mac_write(sc, keymode_base, tmp);
2325
2326 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2327 {
2328 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2329 {
2330 memset(iv, 0, 8);
2331
2332 iv[3] = (k->wk_keyix << 6);
2333 }
2334 else
2335 {
2336 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2337 {
2338 iv[0] = (k->wk_keytsc >> 8);
2339 iv[1] = ((iv[0] | 0x20) & 0x7f);
2340 iv[2] = k->wk_keytsc;
2341 }
2342 else
2343 {
2344 /* AES CCMP */
2345
2346 iv[0] = k->wk_keytsc;
2347 iv[1] = k->wk_keytsc >> 8;
2348 iv[2] = 0;
2349 }
2350
2351 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2352 iv[4] = (k->wk_keytsc >> 16);
2353 iv[5] = (k->wk_keytsc >> 24);
2354 iv[6] = (k->wk_keytsc >> 32);
2355 iv[7] = (k->wk_keytsc >> 40);
2356
2357 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2358 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2359 device_get_nameunit(sc->dev),
2360 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2361 }
2362
2363 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2364
2365 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2366 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2367
2368 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2369 }
2370 }
2371
2372 return 1;
2373 }
2374
2375 /*
2376 * rt2860_key_delete
2377 */
2378 static int rt2860_key_delete(struct ieee80211com *ic,
2379 const struct ieee80211_key *k)
2380 {
2381 struct rt2860_softc *sc;
2382 uint8_t vapid, wcid;
2383 uint32_t tmp;
2384
2385 sc = ic->ic_ifp->if_softc;
2386
2387 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2388 "%s: delete key: keyix=%d, keylen=%d, group=%d\n",
2389 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen,
2390 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2391
2392 if (k->wk_flags & IEEE80211_KEY_GROUP)
2393 {
2394 /* remove group key */
2395
2396 vapid = 0;
2397 wcid = RT2860_WCID_MCAST;
2398
2399 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2400
2401 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2402 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2403
2404 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2405
2406 if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2407 {
2408 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2409 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2410
2411 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2412 }
2413 }
2414
2415 return 1;
2416 }
2417
2418 /*
2419 * rt2860_raw_xmit
2420 */
2421 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2422 const struct ieee80211_bpf_params *params)
2423 {
2424 return 0;
2425 }
2426
2427 /*
2428 * rt2860_media_change
2429 */
2430 static int rt2860_media_change(struct ifnet *ifp)
2431 {
2432 struct rt2860_softc *sc;
2433 int error;
2434
2435 sc = ifp->if_softc;
2436
2437 error = ieee80211_media_change(ifp);
2438 if (error != ENETRESET)
2439 return error;
2440
2441 RT2860_SOFTC_LOCK(sc);
2442
2443 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2444 {
2445 rt2860_stop_locked(sc);
2446 rt2860_init_locked(sc);
2447 }
2448
2449 RT2860_SOFTC_UNLOCK(sc);
2450
2451 return 0;
2452 }
2453
2454 /*
2455 * rt2860_node_alloc
2456 */
2457 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211_node_table *nt)
2458 {
2459 return malloc(sizeof(struct rt2860_softc_node),
2460 M_80211_NODE, M_NOWAIT | M_ZERO);
2461 }
2462
2463 /*
2464 * rt2860_node_cleanup
2465 */
2466 static void rt2860_node_cleanup(struct ieee80211_node *ni)
2467 {
2468 struct rt2860_softc *sc;
2469 struct ieee80211com *ic;
2470 struct ifnet *ifp;
2471 struct rt2860_softc_node *rni;
2472 uint8_t vapid, wcid;
2473 uint32_t tmp;
2474
2475 ic = ni->ni_ic;
2476 ifp = ic->ic_ifp;
2477 sc = ifp->if_softc;
2478 rni = (struct rt2860_softc_node *) ni;
2479
2480 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2481 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2482 device_get_nameunit(sc->dev), ni->ni_macaddr, ni->ni_associd, rni->staid);
2483
2484 if (rni->staid != 0)
2485 {
2486 vapid = 0;
2487 wcid = rni->staid;
2488
2489 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2490 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2491
2492 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2493
2494 rt2860_staid_delete(sc, rni->staid);
2495
2496 rni->staid = 0;
2497 }
2498
2499 sc->node_cleanup(ni);
2500 }
2501
2502 /*
2503 * rt2860_recv_action
2504 */
2505 static void rt2860_recv_action(struct ieee80211_node *ni,
2506 const uint8_t *frm, const uint8_t *efrm)
2507 {
2508 struct rt2860_softc *sc;
2509 struct ieee80211com *ic;
2510 struct ifnet *ifp;
2511 struct rt2860_softc_node *rni;
2512 const struct ieee80211_action *ia;
2513 struct ieee80211_tx_ampdu *tx_ampdu;
2514 uint16_t status, baparamset;
2515 uint8_t wcid;
2516 int tid, bufsize, ac;
2517 uint32_t tmp;
2518
2519 ic = ni->ni_ic;
2520 ifp = ic->ic_ifp;
2521 sc = ifp->if_softc;
2522 rni = (struct rt2860_softc_node *) ni;
2523
2524 ia = (const struct ieee80211_action *) frm;
2525
2526 sc->recv_action(ni, frm, efrm);
2527
2528 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2529 return;
2530
2531 wcid = rni->staid;
2532
2533 switch (ia->ia_action)
2534 {
2535 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2536 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2537 baparamset = LE_READ_2(frm + 3);
2538 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2539 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2540
2541 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2542 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2543 device_get_nameunit(sc->dev), ni->ni_associd, tid, bufsize);
2544
2545 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2546
2547 tmp |= (0x10000 << tid);
2548
2549 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2550 break;
2551
2552 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2553 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2554 status = LE_READ_2(frm + 3);
2555 baparamset = LE_READ_2(frm + 4);
2556 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2557 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2558 ac = TID_TO_WME_AC(tid);
2559 tx_ampdu = &ni->ni_tx_ampdu[ac];
2560
2561 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2562 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2563 device_get_nameunit(sc->dev), ni->ni_associd, status, tid, bufsize);
2564
2565 if (sc->mac_rev >= 0x28720200)
2566 {
2567 if (tx_ampdu->txa_wnd > 13)
2568 tx_ampdu->txa_wnd = 13;
2569 }
2570 else
2571 {
2572 if (tx_ampdu->txa_wnd > 7)
2573 tx_ampdu->txa_wnd = 7;
2574 }
2575
2576 if (status == IEEE80211_STATUS_SUCCESS)
2577 {
2578 sc->tx_ampdu_sessions++;
2579
2580 rt2860_asic_updateprot(sc);
2581 }
2582 break;
2583
2584 /* IEEE80211_ACTION_BA_DELBA */
2585 case IEEE80211_ACTION_BA_DELBA:
2586 baparamset = LE_READ_2(frm + 2);
2587 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2588
2589 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2590 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2591 device_get_nameunit(sc->dev), ni->ni_associd, tid);
2592
2593 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2594
2595 tmp &= ~(0x10000 << tid);
2596
2597 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2598 break;
2599 }
2600 }
2601
2602 /*
2603 * rt2860_send_action
2604 */
2605 static int rt2860_send_action(struct ieee80211_node *ni,
2606 int category, int action, uint16_t args[4])
2607 {
2608 struct rt2860_softc *sc;
2609 struct ieee80211com *ic;
2610 struct ifnet *ifp;
2611 struct rt2860_softc_node *rni;
2612 uint16_t baparamset;
2613 uint8_t wcid;
2614 int ret, tid;
2615 uint32_t tmp;
2616
2617 ic = ni->ni_ic;
2618 ifp = ic->ic_ifp;
2619 sc = ifp->if_softc;
2620 rni = (struct rt2860_softc_node *) ni;
2621
2622 ret = sc->send_action(ni, category, action, args);
2623
2624 if (category != IEEE80211_ACTION_CAT_BA)
2625 return ret;
2626
2627 wcid = rni->staid;
2628
2629 switch (action)
2630 {
2631 /* IEEE80211_ACTION_BA_DELBA */
2632 case IEEE80211_ACTION_BA_DELBA:
2633 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2634
2635 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2636
2637 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2638 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2639 device_get_nameunit(sc->dev), ni->ni_associd, tid);
2640
2641 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2642 {
2643 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2644
2645 tmp &= ~(0x10000 << tid);
2646
2647 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2648 }
2649 else
2650 {
2651 sc->tx_ampdu_sessions--;
2652
2653 rt2860_asic_updateprot(sc);
2654 }
2655 break;
2656 }
2657
2658 return ret;
2659 }
2660
2661 /*
2662 * rt2860_amrr_update_iter_func
2663 */
2664 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2665 {
2666 struct rt2860_softc *sc;
2667 struct ieee80211com *ic;
2668 struct rt2860_softc_node *rni;
2669 uint8_t wcid;
2670
2671 sc = arg;
2672 ic = &sc->ic;
2673 rni = (struct rt2860_softc_node *) ni;
2674
2675 /* only associated stations */
2676
2677 if (rni->staid != 0)
2678 {
2679 wcid = rni->staid;
2680
2681 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2682 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2683 device_get_nameunit(sc->dev),
2684 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2685
2686 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2687
2688 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2689 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
2690 device_get_nameunit(sc->dev),
2691 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2692 ni->ni_associd, rni->staid,
2693 (ni->ni_flags & IEEE80211_NODE_HT) ?
2694 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2695 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2696 (ni->ni_flags & IEEE80211_NODE_HT) ?
2697 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2698 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2699 }
2700 }
2701
2702 /*
2703 * rt2860_periodic
2704 */
2705 static void rt2860_periodic(void *arg)
2706 {
2707 struct rt2860_softc *sc;
2708
2709 sc = arg;
2710
2711 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2712 "%s: periodic\n",
2713 device_get_nameunit(sc->dev));
2714
2715 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2716 }
2717
2718 /*
2719 * rt2860_tx_watchdog
2720 */
2721 static void rt2860_tx_watchdog(void *arg)
2722 {
2723 struct rt2860_softc *sc;
2724 struct ifnet *ifp;
2725
2726 sc = arg;
2727 ifp = sc->ifp;
2728
2729 if (sc->tx_timer == 0)
2730 return;
2731
2732 if (--sc->tx_timer == 0)
2733 {
2734 printf("%s: Tx watchdog timeout: resetting\n",
2735 device_get_nameunit(sc->dev));
2736
2737 rt2860_stop_locked(sc);
2738 rt2860_init_locked(sc);
2739
2740 ifp->if_oerrors++;
2741
2742 sc->tx_watchdog_timeouts++;
2743 }
2744
2745 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2746 }
2747
2748 /*
2749 * rt2860_staid_alloc
2750 */
2751 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
2752 {
2753 int staid;
2754
2755 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
2756 {
2757 staid = aid;
2758 }
2759 else
2760 {
2761 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
2762 {
2763 if (isclr(sc->staid_mask, staid))
2764 break;
2765 }
2766 }
2767
2768 setbit(sc->staid_mask, staid);
2769
2770 return staid;
2771 }
2772
2773 /*
2774 * rt2860_staid_delete
2775 */
2776 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
2777 {
2778 clrbit(sc->staid_mask, staid);
2779 }
2780
2781 /*
2782 * rt2860_asic_set_bssid
2783 */
2784 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2785 const uint8_t *bssid)
2786 {
2787 uint32_t tmp;
2788
2789 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2790 "%s: set bssid: bssid=%s\n",
2791 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2792
2793 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2794
2795 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2796
2797 tmp = bssid[4] | (bssid[5] << 8);
2798
2799 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2800 }
2801
2802 /*
2803 * rt2860_asic_set_macaddr
2804 */
2805 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2806 const uint8_t *addr)
2807 {
2808 uint32_t tmp;
2809
2810 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2811
2812 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2813
2814 tmp = addr[4] | (addr[5] << 8);
2815
2816 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2817 }
2818
2819 /*
2820 * rt2860_asic_enable_tsf_sync
2821 */
2822 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2823 {
2824 struct ieee80211com *ic;
2825 uint32_t tmp;
2826
2827 ic = &sc->ic;
2828
2829 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2830 "%s: enabling TSF\n",
2831 device_get_nameunit(sc->dev));
2832
2833 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2834
2835 tmp &= ~0x1fffff;
2836 tmp |= ic->ic_bss->ni_intval * 16;
2837 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2838
2839 if (ic->ic_opmode == IEEE80211_M_STA)
2840 {
2841 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2842 }
2843 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2844 {
2845 tmp |= RT2860_REG_BCN_TX_ENABLE;
2846 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2847 }
2848 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2849 {
2850 tmp |= RT2860_REG_BCN_TX_ENABLE;
2851 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2852 }
2853
2854 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2855 }
2856
2857 /*
2858 * rt2860_asic_disable_tsf_sync
2859 */
2860 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2861 {
2862 uint32_t tmp;
2863
2864 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2865 "%s: disabling TSF\n",
2866 device_get_nameunit(sc->dev));
2867
2868 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2869
2870 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2871 RT2860_REG_TSF_TIMER_ENABLE |
2872 RT2860_REG_TBTT_TIMER_ENABLE);
2873
2874 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2875 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2876
2877 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2878 }
2879
2880 /*
2881 * rt2860_asic_enable_mrr
2882 */
2883 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2884 {
2885 #define CCK(mcs) (mcs)
2886 #define OFDM(mcs) ((1 << 3) | (mcs))
2887 #define HT(mcs) (mcs)
2888
2889 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2890 (OFDM(6) << 28) | /* 54 -> 48 */
2891 (OFDM(5) << 24) | /* 48 -> 36 */
2892 (OFDM(4) << 20) | /* 36 -> 24 */
2893 (OFDM(3) << 16) | /* 24 -> 18 */
2894 (OFDM(2) << 12) | /* 18 -> 12 */
2895 (OFDM(1) << 8) | /* 12 -> 9 */
2896 (OFDM(0) << 4) | /* 9 -> 6 */
2897 OFDM(0)); /* 6 -> 6 */
2898
2899 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2900 (CCK(2) << 12) | /* 11 -> 5.5 */
2901 (CCK(1) << 8) | /* 5.5 -> 2 */
2902 (CCK(0) << 4) | /* 2 -> 1 */
2903 CCK(0)); /* 1 -> 1 */
2904
2905 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2906 (HT(6) << 28) |
2907 (HT(5) << 24) |
2908 (HT(4) << 20) |
2909 (HT(3) << 16) |
2910 (HT(2) << 12) |
2911 (HT(1) << 8) |
2912 (HT(0) << 4) |
2913 HT(0));
2914
2915 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2916 (HT(14) << 28) |
2917 (HT(13) << 24) |
2918 (HT(12) << 20) |
2919 (HT(11) << 16) |
2920 (HT(10) << 12) |
2921 (HT(9) << 8) |
2922 (HT(8) << 4) |
2923 HT(7));
2924
2925 #undef HT
2926 #undef OFDM
2927 #undef CCK
2928 }
2929
2930 /*
2931 * rt2860_asic_set_txpreamble
2932 */
2933 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2934 {
2935 struct ieee80211com *ic;
2936 uint32_t tmp;
2937
2938 ic = &sc->ic;
2939
2940 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2941 "%s: %s short Tx preamble\n",
2942 device_get_nameunit(sc->dev),
2943 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2944
2945 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2946
2947 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2948
2949 if (sc->ic.ic_flags & IEEE80211_F_SHPREAMBLE)
2950 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2951
2952 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2953 }
2954
2955 /*
2956 * rt2860_asic_set_basicrates
2957 */
2958 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2959 {
2960 struct ieee80211com *ic;
2961
2962 ic = &sc->ic;
2963
2964 if (ic->ic_curmode == IEEE80211_MODE_11B)
2965 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2966 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2967 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2968 else
2969 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2970 }
2971
2972 /*
2973 * rt2860_asic_update_rtsthreshold
2974 */
2975 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2976 {
2977 struct ieee80211com *ic;
2978 uint32_t tmp;
2979 uint16_t threshold;
2980
2981 ic = &sc->ic;
2982
2983 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2984 "%s: updating RTS threshold: %d\n",
2985 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2986
2987 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2988
2989 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2990
2991 if (ic->ic_flags_ext & IEEE80211_FEXT_AMSDU_TX)
2992 threshold = 0x1000;
2993 else
2994 threshold = ic->ic_rtsthreshold;
2995
2996
2997 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2998 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2999
3000 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3001 }
3002
3003 /*
3004 * rt2860_asic_update_txpower
3005 */
3006 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3007 {
3008 struct ieee80211com *ic;
3009 uint32_t *txpow_rate;
3010 int8_t delta;
3011 uint8_t val;
3012 uint32_t tmp;
3013 int i;
3014
3015 ic = &sc->ic;
3016
3017 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3018 "%s: updating Tx power: %d\n",
3019 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3020
3021 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3022 {
3023 txpow_rate = sc->txpow_rate_20mhz;
3024 }
3025 else
3026 {
3027 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3028 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3029 else
3030 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3031 }
3032
3033 delta = 0;
3034
3035 val = rt2860_io_bbp_read(sc, 1);
3036 val &= 0xfc;
3037
3038 if (ic->ic_txpowlimit > 90)
3039 {
3040 /* do nothing */
3041 }
3042 else if (ic->ic_txpowlimit > 60)
3043 {
3044 delta -= 1;
3045 }
3046 else if (ic->ic_txpowlimit > 30)
3047 {
3048 delta -= 3;
3049 }
3050 else if (ic->ic_txpowlimit > 15)
3051 {
3052 val |= 0x1;
3053 }
3054 else if (ic->ic_txpowlimit > 9)
3055 {
3056 val |= 0x1;
3057 delta -= 3;
3058 }
3059 else
3060 {
3061 val |= 0x2;
3062 }
3063
3064 rt2860_io_bbp_write(sc, 1, val);
3065
3066 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3067 {
3068 if (txpow_rate[i] == 0xffffffff)
3069 continue;
3070
3071 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3072
3073 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3074 }
3075 }
3076
3077 /*
3078 * rt2860_asic_update_promisc
3079 */
3080 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3081 {
3082 struct ifnet *ifp;
3083 uint32_t tmp;
3084
3085 ifp = sc->ic.ic_ifp;
3086
3087 printf("%s: %s promiscuous mode\n",
3088 device_get_nameunit(sc->dev),
3089 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3090
3091 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3092
3093 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3094
3095 if (!(ifp->if_flags & IFF_PROMISC))
3096 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3097
3098 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3099 }
3100
3101 /*
3102 * rt2860_asic_updateprot
3103 */
3104 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3105 {
3106 struct ieee80211com *ic;
3107 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3108 uint8_t htopmode;
3109 enum ieee80211_protmode htprotmode;
3110
3111 ic = &sc->ic;
3112
3113 /* CCK frame protection */
3114
3115 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3116 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3117
3118 /* set up protection frame phy mode and rate (MCS code) */
3119
3120 if (ic->ic_curmode == IEEE80211_MODE_11A)
3121 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3122 (0 << RT2860_REG_PROT_MCS_SHIFT);
3123 else
3124 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3125 (3 << RT2860_REG_PROT_MCS_SHIFT));
3126
3127 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3128
3129 /* OFDM frame protection */
3130
3131 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3132 RT2860_REG_TXOP_ALLOW_ALL;
3133
3134 if (ic->ic_flags & IEEE80211_F_USEPROT)
3135 {
3136 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3137 "%s: updating protection mode: b/g protection mode=%s\n",
3138 device_get_nameunit(sc->dev),
3139 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3140 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3141
3142 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3143 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3144 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3145 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3146 else
3147 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3148 }
3149 else
3150 {
3151 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3152 "%s: updating protection mode: b/g protection mode=%s\n",
3153 device_get_nameunit(sc->dev), "none");
3154
3155 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3156 }
3157
3158 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3159
3160 /* HT frame protection */
3161
3162 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3163 htopmode = ic->ic_bss->ni_htopmode;
3164 else
3165 htopmode = ic->ic_curhtprotmode;
3166
3167 htprotmode = ic->ic_htprotmode;
3168
3169 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3170
3171 if (sc->tx_ampdu_sessions > 0)
3172 {
3173 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3174 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3175 device_get_nameunit(sc->dev));
3176
3177 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3178 htprotmode = IEEE80211_PROT_RTSCTS;
3179 }
3180
3181 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3182 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3183 device_get_nameunit(sc->dev),
3184 htopmode & IEEE80211_HTINFO_OPMODE,
3185 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3186 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3187
3188 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3189 {
3190 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3191 case IEEE80211_HTINFO_OPMODE_HT20PR:
3192 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3193 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3194 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3195 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3196 (4 << RT2860_REG_PROT_MCS_SHIFT);
3197
3198 gf20_prot = mm20_prot;
3199
3200 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3201 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3202 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3203
3204 if (htprotmode == IEEE80211_PROT_RTSCTS)
3205 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3206 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3207 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3208 else
3209 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3210
3211 gf40_prot = mm40_prot;
3212 break;
3213
3214 /* IEEE80211_HTINFO_OPMODE_MIXED */
3215 case IEEE80211_HTINFO_OPMODE_MIXED:
3216 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3217 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3218 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3219
3220 if (ic->ic_flags & IEEE80211_F_USEPROT)
3221 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3222 (3 << RT2860_REG_PROT_MCS_SHIFT);
3223 else
3224 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3225 (4 << RT2860_REG_PROT_MCS_SHIFT);
3226
3227 if (htprotmode == IEEE80211_PROT_RTSCTS)
3228 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3229 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3230 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3231 else
3232 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3233
3234 gf20_prot = mm20_prot;
3235
3236 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3237
3238 if (ic->ic_flags & IEEE80211_F_USEPROT)
3239 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3240 (3 << RT2860_REG_PROT_MCS_SHIFT);
3241 else
3242 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3243 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3244
3245 if (htprotmode == IEEE80211_PROT_RTSCTS)
3246 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3247 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3248 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3249 else
3250 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3251
3252 gf40_prot = mm40_prot;
3253 break;
3254
3255 /*
3256 * IEEE80211_HTINFO_OPMODE_PURE
3257 * IEEE80211_HTINFO_OPMODE_PROTOPT
3258 */
3259 case IEEE80211_HTINFO_OPMODE_PURE:
3260 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3261 default:
3262 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3263 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3264 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3265 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3266 (4 << RT2860_REG_PROT_MCS_SHIFT);
3267
3268 gf20_prot = mm20_prot;
3269
3270 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3271 RT2860_REG_TXOP_ALLOW_ALL |
3272 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3273 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3274
3275 gf40_prot = mm40_prot;
3276 break;
3277 }
3278
3279 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3280 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3281 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3282 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3283 }
3284
3285 /*
3286 * rt2860_asic_updateslot
3287 */
3288 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3289 {
3290 struct ieee80211com *ic;
3291 uint32_t tmp;
3292
3293 ic = &sc->ic;
3294
3295 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3296 "%s: %s short slot time\n",
3297 device_get_nameunit(sc->dev),
3298 (ic->ic_flags & (IEEE80211_F_SHSLOT | IEEE80211_F_BURST)) ? "enabling" : "disabling");
3299
3300 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3301
3302 tmp &= ~0xff;
3303 tmp |= (ic->ic_flags & (IEEE80211_F_SHSLOT |IEEE80211_F_BURST)) ? 9 : 20;
3304
3305 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3306 }
3307
3308 /*
3309 * rt2860_asic_wme_update
3310 */
3311 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3312 {
3313 struct ieee80211com *ic;
3314 struct ieee80211_wme_state *wme;
3315 const struct wmeParams *wmep;
3316 int i;
3317
3318 ic = &sc->ic;
3319 wme = &ic->ic_wme;
3320 wmep = wme->wme_chanParams.cap_wmeParams;
3321
3322 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3323 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3324 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3325 device_get_nameunit(sc->dev),
3326 wmep[WME_AC_VO].wmep_aifsn,
3327 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3328 wmep[WME_AC_VO].wmep_txopLimit,
3329 wmep[WME_AC_VI].wmep_aifsn,
3330 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3331 wmep[WME_AC_VI].wmep_txopLimit,
3332 wmep[WME_AC_BK].wmep_aifsn,
3333 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3334 wmep[WME_AC_BK].wmep_txopLimit,
3335 wmep[WME_AC_BE].wmep_aifsn,
3336 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3337 wmep[WME_AC_BE].wmep_txopLimit);
3338
3339 for (i = 0; i < WME_NUM_AC; i++)
3340 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3341 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3342 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3343
3344 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3345 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3346 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3347
3348 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3349 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3350 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3351
3352 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3353 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3354 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3355
3356 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3357 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3358
3359 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3360 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3361 }
3362
3363 /*
3364 * rt2860_asic_update_beacon
3365 */
3366 static void rt2860_asic_update_beacon(struct rt2860_softc *sc)
3367 {
3368 struct ieee80211com *ic;
3369 struct mbuf *m;
3370 struct rt2860_txwi *txwi;
3371 uint32_t tmp;
3372
3373 ic = &sc->ic;
3374
3375 m = sc->beacon_mbuf;
3376 txwi = &sc->beacon_txwi;
3377
3378 /* disable temporarily TSF sync */
3379
3380 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3381
3382 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3383 RT2860_REG_TSF_TIMER_ENABLE |
3384 RT2860_REG_TBTT_TIMER_ENABLE);
3385
3386 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3387
3388 /* write Tx wireless info and beacon frame to on-chip memory */
3389
3390 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3391 txwi, sizeof(struct rt2860_txwi));
3392
3393 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3394 mtod(m, uint8_t *), m->m_pkthdr.len);
3395
3396 /* enable again TSF sync */
3397
3398 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3399
3400 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3401 RT2860_REG_TSF_TIMER_ENABLE |
3402 RT2860_REG_TBTT_TIMER_ENABLE);
3403
3404 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3405 }
3406
3407 /*
3408 * rt2860_asic_clear_keytables
3409 */
3410 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3411 {
3412 int i;
3413
3414 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3415
3416 for (i = 0; i < 256; i++)
3417 {
3418 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3419 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3420 }
3421
3422 /* clear WCID attribute table (entries = 256, entry size = 4) */
3423
3424 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3425
3426 /* clear IV/EIV table (entries = 256, entry size = 8) */
3427
3428 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3429
3430 /* clear pairwise key table (entries = 64, entry size = 32) */
3431
3432 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3433
3434 /* clear shared key table (entries = 32, entry size = 32) */
3435
3436 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3437
3438 /* clear shared key mode (entries = 32, entry size = 2) */
3439
3440 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3441 }
3442
3443 /*
3444 * rt2860_beacon_alloc
3445 */
3446 static int rt2860_beacon_alloc(struct rt2860_softc *sc)
3447 {
3448 struct ieee80211com *ic;
3449 struct mbuf *m;
3450 struct rt2860_txwi txwi;
3451 uint8_t rate, mcs;
3452
3453 ic = &sc->ic;
3454
3455 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3456 if (m == NULL)
3457 return ENOMEM;
3458
3459 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3460 mcs = rt2860_rate2mcs(rate);
3461
3462 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3463
3464 txwi.wcid = 0xff;
3465 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3466 RT2860_TXWI_MPDU_LEN_SHIFT);
3467 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3468 txwi.mpdu_density_flags |=
3469 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3470 txwi.bawin_size_xflags |=
3471 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3472
3473 if (rate == 2)
3474 {
3475 txwi.phymode_ifs_stbc_shortgi =
3476 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3477
3478 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3479 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3480 }
3481 else
3482 {
3483 txwi.phymode_ifs_stbc_shortgi =
3484 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3485 }
3486
3487 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3488 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3489
3490 if (sc->beacon_mbuf != NULL)
3491 {
3492 m_free(sc->beacon_mbuf);
3493 sc->beacon_mbuf = NULL;
3494 }
3495
3496 sc->beacon_mbuf = m;
3497 sc->beacon_txwi = txwi;
3498
3499 return 0;
3500 }
3501
3502 /*
3503 * rt2860_rxrate
3504 */
3505 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3506 {
3507 uint8_t mcs, phymode;
3508 uint8_t rate;
3509
3510 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3511 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3512 RT2860_RXWI_PHYMODE_MASK;
3513
3514 rate = 2;
3515
3516 switch (phymode)
3517 {
3518 case RT2860_RXWI_PHYMODE_CCK:
3519 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3520 {
3521 case 0: rate = 2; break; /* 1 Mbps */
3522 case 1: rate = 4; break; /* 2 MBps */
3523 case 2: rate = 11; break; /* 5.5 Mbps */
3524 case 3: rate = 22; break; /* 11 Mbps */
3525 }
3526 break;
3527
3528 case RT2860_RXWI_PHYMODE_OFDM:
3529 switch (mcs)
3530 {
3531 case 0: rate = 12; break; /* 6 Mbps */
3532 case 1: rate = 18; break; /* 9 Mbps */
3533 case 2: rate = 24; break; /* 12 Mbps */
3534 case 3: rate = 36; break; /* 18 Mbps */
3535 case 4: rate = 48; break; /* 24 Mbps */
3536 case 5: rate = 72; break; /* 36 Mbps */
3537 case 6: rate = 96; break; /* 48 Mbps */
3538 case 7: rate = 108; break; /* 54 Mbps */
3539 }
3540 break;
3541
3542 case RT2860_RXWI_PHYMODE_HT_MIXED:
3543 case RT2860_RXWI_PHYMODE_HT_GF:
3544 break;
3545 }
3546
3547 return rate;
3548 }
3549
3550 /*
3551 * rt2860_maxrssi_rxpath
3552 */
3553 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3554 const struct rt2860_rxwi *rxwi)
3555 {
3556 uint8_t rxpath;
3557
3558 rxpath = 0;
3559
3560 if (sc->nrxpath > 1)
3561 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3562 rxpath = 1;
3563
3564 if (sc->nrxpath > 2)
3565 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3566 rxpath = 2;
3567
3568 return rxpath;
3569 }
3570
3571 /*
3572 * rt2860_rssi2dbm
3573 */
3574 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3575 uint8_t rssi, uint8_t rxpath)
3576 {
3577 struct ieee80211com *ic;
3578 struct ieee80211_channel *c;
3579 int chan;
3580 int8_t rssi_off, lna_gain;
3581
3582 if (rssi == 0)
3583 return -99;
3584
3585 ic = &sc->ic;
3586 c = ic->ic_curchan;
3587 chan = ieee80211_chan2ieee(ic, c);
3588
3589 if (IEEE80211_IS_CHAN_5GHZ(c))
3590 {
3591 rssi_off = sc->rssi_off_5ghz[rxpath];
3592
3593 if (chan <= 64)
3594 lna_gain = sc->lna_gain[1];
3595 else if (chan <= 128)
3596 lna_gain = sc->lna_gain[2];
3597 else
3598 lna_gain = sc->lna_gain[3];
3599 }
3600 else
3601 {
3602 rssi_off = sc->rssi_off_2ghz[rxpath];
3603 lna_gain = sc->lna_gain[0];
3604 }
3605
3606 return (-12 - rssi_off - lna_gain - rssi);
3607 }
3608
3609 /*
3610 * rt2860_rate2mcs
3611 */
3612 static uint8_t rt2860_rate2mcs(uint8_t rate)
3613 {
3614 switch (rate)
3615 {
3616 /* CCK rates */
3617 case 2: return 0;
3618 case 4: return 1;
3619 case 11: return 2;
3620 case 22: return 3;
3621
3622 /* OFDM rates */
3623 case 12: return 0;
3624 case 18: return 1;
3625 case 24: return 2;
3626 case 36: return 3;
3627 case 48: return 4;
3628 case 72: return 5;
3629 case 96: return 6;
3630 case 108: return 7;
3631 }
3632
3633 return 0;
3634 }
3635
3636 /*
3637 * rt2860_ackrate
3638 */
3639 static int rt2860_ackrate(struct ieee80211com *ic, int rate)
3640 {
3641 switch (rate)
3642 {
3643 /* CCK rates */
3644
3645 case 2:
3646 return 2;
3647
3648 case 4:
3649 case 11:
3650 case 22:
3651 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3652
3653 /* OFDM rates */
3654
3655 case 12:
3656 case 18:
3657 return 12;
3658
3659 case 24:
3660 case 36:
3661 return 24;
3662
3663 case 48:
3664 case 72:
3665 case 96:
3666 case 108:
3667 return 48;
3668 }
3669
3670 /* default to 1Mbps */
3671 return 2;
3672 }
3673
3674 /*
3675 * rt2860_txtime
3676 */
3677 static uint16_t rt2860_txtime(int len, int rate, uint32_t flags)
3678 {
3679 uint16_t txtime;
3680
3681 if (RT2860_RATE_IS_OFDM(rate))
3682 {
3683 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3684 txtime = 16 + 4 + 4 * txtime + 6;
3685 }
3686 else
3687 {
3688 txtime = (16 * len + rate - 1) / rate;
3689
3690 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3691 txtime += 72 + 24;
3692 else
3693 txtime += 144 + 48;
3694 }
3695
3696 return txtime;
3697 }
3698
3699 /*
3700 * rt2860_tx_frame
3701 */
3702 static int rt2860_tx_frame(struct rt2860_softc *sc,
3703 struct mbuf *m, struct ieee80211_node *ni, int qid)
3704 {
3705 struct ieee80211com *ic;
3706 struct rt2860_softc_node *rni;
3707 struct rt2860_softc_tx_ring *ring;
3708 struct rt2860_softc_tx_data *data;
3709 struct rt2860_txdesc *desc;
3710 struct rt2860_txwi *txwi;
3711 struct ieee80211_frame *wh;
3712 struct ieee80211_tx_ampdu *tx_ampdu;
3713 struct rt2860_softc_tx_radiotap_header *tap;
3714 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3715 u_int hdrsize, hdrspace;
3716 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
3717 uint16_t qos, len, dmalen, mpdu_len, dur;
3718 int error, hasqos, ac, ampdu, mimops, ackrate, ndmasegs, ndescs, i, j;
3719
3720 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3721 ("%s: Tx frame: invalid qid=%d\n",
3722 device_get_nameunit(sc->dev), qid));
3723
3724 ic = &sc->ic;
3725 rni = (struct rt2860_softc_node *) ni;
3726
3727 ring = &sc->tx_ring[qid];
3728 desc = &ring->desc[ring->desc_cur];
3729 data = &ring->data[ring->data_cur];
3730 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3731
3732 wh = mtod(m, struct ieee80211_frame *);
3733
3734 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3735
3736 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3737 if (hasqos)
3738 {
3739 if (IEEE80211_HAS_ADDR4(wh))
3740 qos = le16toh(*(const uint16_t *)
3741 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3742 else
3743 qos = le16toh(*(const uint16_t *)
3744 (((struct ieee80211_qosframe *) wh)->i_qos));
3745 }
3746 else
3747 {
3748 qos = 0;
3749 }
3750
3751 if (ni->ni_flags & IEEE80211_NODE_HT)
3752 {
3753 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3754 rate = 0;
3755 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3756 rate = ic->ic_fixed_rate;
3757 else
3758 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3759 }
3760 else
3761 {
3762 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3763 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3764 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3765 rate = ic->ic_fixed_rate;
3766 else
3767 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3768 }
3769
3770 rate &= IEEE80211_RATE_VAL;
3771
3772 /* fill Tx wireless info */
3773
3774 if (ni->ni_flags & IEEE80211_NODE_HT)
3775 mcs = rate;
3776 else
3777 mcs = rt2860_rate2mcs(rate);
3778
3779 /* management frames do not need encryption */
3780
3781 if (type == IEEE80211_FC0_TYPE_DATA)
3782 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
3783 else
3784 wcid = RT2860_WCID_RESERVED;
3785
3786 /* calculate MPDU length without padding */
3787
3788 hdrsize = ieee80211_hdrsize(wh);
3789 hdrspace = ieee80211_hdrspace(ic, wh);
3790 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3791
3792 memset(txwi, 0, sizeof(struct rt2860_txwi));
3793
3794 txwi->wcid = wcid;
3795
3796 /* MIMO power save */
3797
3798 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
3799 ((ni->ni_htcap & IEEE80211_HTCAP_SMPS) != IEEE80211_HTCAP_SMPS_OFF))
3800 {
3801 if (mcs > 7)
3802 {
3803 if ((ni->ni_htcap & IEEE80211_HTCAP_SMPS) == IEEE80211_HTCAP_SMPS_DYNAMIC)
3804 {
3805 /* dynamic MIMO power save */
3806
3807 txwi->mpdu_density_flags |=
3808 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
3809 }
3810 else
3811 {
3812 /* static MIMO power save */
3813
3814 mcs = 7;
3815 }
3816 }
3817
3818 mimops = 1;
3819 }
3820 else
3821 {
3822 mimops = 0;
3823 }
3824
3825 pid = mcs;
3826
3827 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3828 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3829 RT2860_TXWI_MPDU_LEN_SHIFT);
3830
3831 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
3832 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
3833
3834 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3835 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40));
3836
3837 txwi->phymode_ifs_stbc_shortgi |=
3838 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3839 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3840
3841 if (ni->ni_flags & IEEE80211_NODE_HT)
3842 {
3843 txwi->phymode_ifs_stbc_shortgi |=
3844 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3845 }
3846 else
3847 {
3848 if (!RT2860_RATE_IS_OFDM(rate))
3849 {
3850 txwi->phymode_ifs_stbc_shortgi |=
3851 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3852
3853 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3854 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3855 }
3856 else
3857 {
3858 txwi->phymode_ifs_stbc_shortgi |=
3859 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3860 }
3861 }
3862
3863 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
3864 bw = RT2860_TXWI_BW_40;
3865 else
3866 bw = RT2860_TXWI_BW_20;
3867
3868 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
3869 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3870
3871 if (type != IEEE80211_FC0_TYPE_DATA)
3872 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3873 else
3874 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3875
3876 /* skip ACKs for multicast frames */
3877
3878 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3879 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
3880 {
3881 txwi->bawin_size_xflags |=
3882 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3883
3884 if (ni->ni_flags & IEEE80211_NODE_HT)
3885 {
3886 /* preamble + plcp + signal extension + SIFS */
3887
3888 dur = 16 + 4 + 6 + 10;
3889 }
3890 else
3891 {
3892 ackrate = rt2860_ackrate(ic, rate);
3893
3894 dur = rt2860_txtime(RT2860_ACK_SIZE, ackrate, ic->ic_flags) +
3895 sc->sifs;
3896 }
3897
3898 *(uint16_t *) wh->i_dur = htole16(dur);
3899 }
3900
3901 /* check for A-MPDU */
3902
3903 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
3904 {
3905 ac = M_WME_GETAC(m);
3906 tx_ampdu = &ni->ni_tx_ampdu[ac];
3907
3908 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
3909 bawin_size = tx_ampdu->txa_wnd;
3910
3911 txwi->mpdu_density_flags |=
3912 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
3913 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
3914
3915 txwi->bawin_size_xflags |=
3916 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
3917
3918 if (IEEE80211_HAS_ADDR4(wh))
3919 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3920 else
3921 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
3922
3923 ampdu = 1;
3924 }
3925 else
3926 {
3927 ampdu = 0;
3928 }
3929
3930 /* ask MAC to insert timestamp into probe responses */
3931
3932 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3933 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3934 txwi->mpdu_density_flags |=
3935 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3936
3937 if (bpf_peers_present(sc->drvbpf))
3938 {
3939 tap = &sc->txtap;
3940
3941 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3942 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3943 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3944 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3945 tap->chan_maxpow = 0;
3946
3947 if (ni->ni_flags & IEEE80211_NODE_HT)
3948 tap->rate = mcs | IEEE80211_RATE_MCS;
3949 else
3950 tap->rate = rate;
3951
3952 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3953 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3954
3955 if (shortgi)
3956 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3957
3958 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3959 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3960
3961 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3962 {
3963 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3964
3965 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3966
3967 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3968 }
3969 else
3970 {
3971 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
3972 }
3973 }
3974
3975 /* copy and trim 802.11 header */
3976
3977 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3978 m_adj(m, hdrspace);
3979
3980 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3981 dma_seg, &ndmasegs, 0);
3982 if (error != 0)
3983 {
3984 /* too many fragments, linearize */
3985
3986 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3987 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3988 device_get_nameunit(sc->dev));
3989
3990 m = m_defrag(m, M_DONTWAIT);
3991 if (m == NULL)
3992 return ENOMEM;
3993
3994 sc->tx_defrag_packets++;
3995
3996 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3997 dma_seg, &ndmasegs, 0);
3998 if (error != 0)
3999 {
4000 printf("%s: could not load mbuf DMA map: error=%d\n",
4001 device_get_nameunit(sc->dev), error);
4002 m_freem(m);
4003 return error;
4004 }
4005 }
4006
4007 if (m->m_pkthdr.len == 0)
4008 ndmasegs = 0;
4009
4010 /* determine how many Tx descs are required */
4011
4012 ndescs = 1 + ndmasegs / 2;
4013 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4014 {
4015 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4016 "%s: there are not enough Tx descs\n",
4017 device_get_nameunit(sc->dev));
4018
4019 sc->no_tx_desc_avail++;
4020
4021 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4022 m_freem(m);
4023 return EFBIG;
4024 }
4025
4026 data->m = m;
4027 data->ni = ni;
4028
4029 /* set up Tx descs */
4030
4031 /* first segment is Tx wireless info and 802.11 header */
4032
4033 len = sizeof(struct rt2860_txwi) + hdrsize;
4034
4035 /* align end on a 4-bytes boundary */
4036
4037 dmalen = (len + 3) & ~ 3;
4038
4039 memset((caddr_t) txwi + len, 0, dmalen - len);
4040
4041 qsel = RT2860_TXDESC_QSEL_EDCA;
4042
4043 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4044 desc->sdl0 = htole16(dmalen);
4045 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4046
4047 /* set up payload segments */
4048
4049 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4050 {
4051 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4052 desc->sdl1 = htole16(dma_seg[j].ds_len);
4053
4054 ring->desc_queued++;
4055 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4056
4057 j++;
4058
4059 desc = &ring->desc[ring->desc_cur];
4060
4061 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4062 desc->sdl0 = htole16(dma_seg[j].ds_len);
4063 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4064
4065 j++;
4066 }
4067
4068 /* finalize last payload segment */
4069
4070 if (i > 0)
4071 {
4072 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4073 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4074 }
4075 else
4076 {
4077 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4078 desc->sdl1 = 0;
4079 }
4080
4081 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4082 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4083 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4084 device_get_nameunit(sc->dev),
4085 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4086 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen, ndmasegs,
4087 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);
4088
4089 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4090 BUS_DMASYNC_PREWRITE);
4091 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4092 BUS_DMASYNC_PREWRITE);
4093 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4094 BUS_DMASYNC_PREWRITE);
4095
4096 ring->desc_queued++;
4097 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4098
4099 ring->data_queued++;
4100 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4101
4102 /* kick Tx */
4103
4104 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4105
4106 return 0;
4107 }
4108
4109 /*
4110 * rt2860_tx_raw
4111 */
4112 static int rt2860_tx_raw(struct rt2860_softc *sc,
4113 struct mbuf *m, struct ieee80211_node *ni,
4114 const struct ieee80211_bpf_params *params)
4115 {
4116 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4117 "%s: Tx raw\n",
4118 device_get_nameunit(sc->dev));
4119
4120 return 0;
4121 }
4122
4123 /*
4124 * rt2860_intr
4125 */
4126 static void rt2860_intr(void *arg)
4127 {
4128 struct rt2860_softc *sc;
4129 struct ifnet *ifp;
4130 uint32_t status;
4131
4132 sc = arg;
4133 ifp = sc->ifp;
4134
4135 /* acknowledge interrupts */
4136
4137 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4138 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4139
4140 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4141 "%s: interrupt: status = 0x%08x\n",
4142 device_get_nameunit(sc->dev), status);
4143
4144 if (status == 0xffffffff || /* device likely went away */
4145 status == 0) /* not for us */
4146 return;
4147
4148 sc->interrupts++;
4149
4150 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4151 return;
4152
4153 if (status & RT2860_REG_INT_TX_COHERENT)
4154 rt2860_tx_coherent_intr(sc);
4155
4156 if (status & RT2860_REG_INT_RX_COHERENT)
4157 rt2860_rx_coherent_intr(sc);
4158
4159 if (status & RT2860_REG_INT_TXRX_COHERENT)
4160 rt2860_txrx_coherent_intr(sc);
4161
4162 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4163 rt2860_fifo_sta_full_intr(sc);
4164
4165 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4166 rt2860_tx_intr(sc, 5);
4167
4168 if (status & RT2860_REG_INT_RX_DONE)
4169 rt2860_rx_intr(sc);
4170
4171 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4172 rt2860_rx_delay_intr(sc);
4173
4174 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4175 rt2860_tx_intr(sc, 4);
4176
4177 if (status & RT2860_REG_INT_TX_AC3_DONE)
4178 rt2860_tx_intr(sc, 3);
4179
4180 if (status & RT2860_REG_INT_TX_AC2_DONE)
4181 rt2860_tx_intr(sc, 2);
4182
4183 if (status & RT2860_REG_INT_TX_AC1_DONE)
4184 rt2860_tx_intr(sc, 1);
4185
4186 if (status & RT2860_REG_INT_TX_AC0_DONE)
4187 rt2860_tx_intr(sc, 0);
4188
4189 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4190 rt2860_tx_delay_intr(sc);
4191
4192 if (status & RT2860_REG_INT_PRE_TBTT)
4193 rt2860_pre_tbtt_intr(sc);
4194
4195 if (status & RT2860_REG_INT_TBTT)
4196 rt2860_tbtt_intr(sc);
4197
4198 if (status & RT2860_REG_INT_MCU_CMD)
4199 rt2860_mcu_cmd_intr(sc);
4200
4201 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4202 rt2860_auto_wakeup_intr(sc);
4203
4204 if (status & RT2860_REG_INT_GP_TIMER)
4205 rt2860_gp_timer_intr(sc);
4206 }
4207
4208 /*
4209 * rt2860_tx_coherent_intr
4210 */
4211 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4212 {
4213 uint32_t tmp;
4214 int i;
4215
4216 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4217 "%s: Tx coherent interrupt\n",
4218 device_get_nameunit(sc->dev));
4219
4220 sc->tx_coherent_interrupts++;
4221
4222 /* restart DMA engine */
4223
4224 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4225
4226 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4227 RT2860_REG_RX_DMA_ENABLE |
4228 RT2860_REG_TX_DMA_ENABLE);
4229
4230 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4231
4232 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4233
4234 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4235 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4236
4237 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4238 {
4239 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4240 sc->tx_ring[i].desc_phys_addr);
4241 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4242 RT2860_SOFTC_TX_RING_DESC_COUNT);
4243 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4244 }
4245
4246 /* init Rx ring */
4247
4248 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4249
4250 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4251 sc->rx_ring.desc_phys_addr);
4252 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4253 RT2860_SOFTC_RX_RING_DATA_COUNT);
4254 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4255 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4256
4257 rt2860_txrx_enable(sc);
4258 }
4259
4260 /*
4261 * rt2860_rx_coherent_intr
4262 */
4263 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4264 {
4265 uint32_t tmp;
4266 int i;
4267
4268 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4269 "%s: Rx coherent interrupt\n",
4270 device_get_nameunit(sc->dev));
4271
4272 sc->rx_coherent_interrupts++;
4273
4274 /* restart DMA engine */
4275
4276 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4277
4278 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4279 RT2860_REG_RX_DMA_ENABLE |
4280 RT2860_REG_TX_DMA_ENABLE);
4281
4282 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4283
4284 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4285
4286 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4287 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4288
4289 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4290 {
4291 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4292 sc->tx_ring[i].desc_phys_addr);
4293 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4294 RT2860_SOFTC_TX_RING_DESC_COUNT);
4295 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4296 }
4297
4298 /* init Rx ring */
4299
4300 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4301
4302 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4303 sc->rx_ring.desc_phys_addr);
4304 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4305 RT2860_SOFTC_RX_RING_DATA_COUNT);
4306 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4307 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4308
4309 rt2860_txrx_enable(sc);
4310 }
4311
4312 /*
4313 * rt2860_txrx_coherent_intr
4314 */
4315 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4316 {
4317 uint32_t tmp;
4318 int i;
4319
4320 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4321 "%s: Tx/Rx coherent interrupt\n",
4322 device_get_nameunit(sc->dev));
4323
4324 sc->txrx_coherent_interrupts++;
4325
4326 /* restart DMA engine */
4327
4328 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4329
4330 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4331 RT2860_REG_RX_DMA_ENABLE |
4332 RT2860_REG_TX_DMA_ENABLE);
4333
4334 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4335
4336 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4337
4338 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4339 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4340
4341 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4342 {
4343 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4344 sc->tx_ring[i].desc_phys_addr);
4345 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4346 RT2860_SOFTC_TX_RING_DESC_COUNT);
4347 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4348 }
4349
4350 /* init Rx ring */
4351
4352 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4353
4354 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4355 sc->rx_ring.desc_phys_addr);
4356 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4357 RT2860_SOFTC_RX_RING_DATA_COUNT);
4358 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4359 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4360
4361 rt2860_txrx_enable(sc);
4362 }
4363
4364 /*
4365 * rt2860_fifo_sta_full_intr
4366 */
4367 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4368 {
4369 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4370 "%s: FIFO statistic full interrupt\n",
4371 device_get_nameunit(sc->dev));
4372
4373 sc->fifo_sta_full_interrupts++;
4374
4375 RT2860_SOFTC_LOCK(sc);
4376
4377 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4378 {
4379 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4380
4381 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4382 }
4383
4384 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4385
4386 RT2860_SOFTC_UNLOCK(sc);
4387 }
4388
4389 /*
4390 * rt2860_rx_intr
4391 */
4392 static void rt2860_rx_intr(struct rt2860_softc *sc)
4393 {
4394 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4395 "%s: Rx interrupt\n",
4396 device_get_nameunit(sc->dev));
4397
4398 sc->rx_interrupts++;
4399
4400 RT2860_SOFTC_LOCK(sc);
4401
4402 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4403 {
4404 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4405
4406 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4407 }
4408
4409 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4410
4411 RT2860_SOFTC_UNLOCK(sc);
4412 }
4413
4414 /*
4415 * rt2860_rx_delay_intr
4416 */
4417 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4418 {
4419 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4420 "%s: Rx delay interrupt\n",
4421 device_get_nameunit(sc->dev));
4422
4423 sc->rx_delay_interrupts++;
4424 }
4425
4426 /*
4427 * rt2860_tx_intr
4428 */
4429 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4430 {
4431 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4432 ("%s: Tx interrupt: invalid qid=%d\n",
4433 device_get_nameunit(sc->dev), qid));
4434
4435 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4436 "%s: Tx interrupt: qid=%d\n",
4437 device_get_nameunit(sc->dev), qid);
4438
4439 sc->tx_interrupts[qid]++;
4440
4441 RT2860_SOFTC_LOCK(sc);
4442
4443 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4444 {
4445 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4446
4447 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4448 }
4449
4450 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4451
4452 RT2860_SOFTC_UNLOCK(sc);
4453 }
4454
4455 /*
4456 * rt2860_tx_delay_intr
4457 */
4458 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4459 {
4460 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4461 "%s: Tx delay interrupt\n",
4462 device_get_nameunit(sc->dev));
4463
4464 sc->tx_delay_interrupts++;
4465 }
4466
4467 /*
4468 * rt2860_pre_tbtt_intr
4469 */
4470 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4471 {
4472 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4473 "%s: Pre-TBTT interrupt\n",
4474 device_get_nameunit(sc->dev));
4475
4476 sc->pre_tbtt_interrupts++;
4477 }
4478
4479 /*
4480 * rt2860_tbtt_intr
4481 */
4482 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4483 {
4484 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4485 "%s: TBTT interrupt\n",
4486 device_get_nameunit(sc->dev));
4487
4488 sc->tbtt_interrupts++;
4489 }
4490
4491 /*
4492 * rt2860_mcu_cmd_intr
4493 */
4494 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4495 {
4496 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4497 "%s: MCU command interrupt\n",
4498 device_get_nameunit(sc->dev));
4499
4500 sc->mcu_cmd_interrupts++;
4501 }
4502
4503 /*
4504 * rt2860_auto_wakeup_intr
4505 */
4506 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4507 {
4508 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4509 "%s: auto wakeup interrupt\n",
4510 device_get_nameunit(sc->dev));
4511
4512 sc->auto_wakeup_interrupts++;
4513 }
4514
4515 /*
4516 * rt2860_gp_timer_intr
4517 */
4518 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4519 {
4520 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4521 "%s: GP timer interrupt\n",
4522 device_get_nameunit(sc->dev));
4523
4524 sc->gp_timer_interrupts++;
4525 }
4526
4527 /*
4528 * rt2860_rx_done_task
4529 */
4530 static void rt2860_rx_done_task(void *context, int pending)
4531 {
4532 struct rt2860_softc *sc;
4533 struct ifnet *ifp;
4534 int again;
4535
4536 sc = context;
4537 ifp = sc->ifp;
4538
4539 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4540 "%s: Rx done task\n",
4541 device_get_nameunit(sc->dev));
4542
4543 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4544 return;
4545
4546 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4547
4548 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4549
4550 RT2860_SOFTC_LOCK(sc);
4551
4552 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4553 {
4554 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4555 "%s: Rx done task: scheduling again\n",
4556 device_get_nameunit(sc->dev));
4557
4558 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4559 }
4560 else
4561 {
4562 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4563 }
4564
4565 RT2860_SOFTC_UNLOCK(sc);
4566 }
4567
4568 /*
4569 * rt2860_tx_done_task
4570 */
4571 static void rt2860_tx_done_task(void *context, int pending)
4572 {
4573 struct rt2860_softc *sc;
4574 struct ifnet *ifp;
4575 uint32_t intr_mask;
4576 int i;
4577
4578 sc = context;
4579 ifp = sc->ifp;
4580
4581 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4582 "%s: Tx done task\n",
4583 device_get_nameunit(sc->dev));
4584
4585 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4586 return;
4587
4588 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4589 {
4590 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4591 {
4592 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4593
4594 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4595 }
4596 }
4597
4598 sc->tx_timer = 0;
4599
4600 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4601
4602 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4603 RT2860_REG_INT_TX_HCCA_DONE |
4604 RT2860_REG_INT_TX_AC3_DONE |
4605 RT2860_REG_INT_TX_AC2_DONE |
4606 RT2860_REG_INT_TX_AC1_DONE |
4607 RT2860_REG_INT_TX_AC0_DONE);
4608
4609 RT2860_SOFTC_LOCK(sc);
4610
4611 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4612 (sc->intr_disable_mask & intr_mask));
4613
4614 if (sc->intr_pending_mask & intr_mask)
4615 {
4616 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4617 "%s: Tx done task: scheduling again\n",
4618 device_get_nameunit(sc->dev));
4619
4620 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4621 }
4622
4623 RT2860_SOFTC_UNLOCK(sc);
4624 }
4625
4626 /*
4627 * rt2860_fifo_sta_full_task
4628 */
4629 static void rt2860_fifo_sta_full_task(void *context, int pending)
4630 {
4631 struct rt2860_softc *sc;
4632 struct ifnet *ifp;
4633
4634 sc = context;
4635 ifp = sc->ifp;
4636
4637 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4638 "%s: FIFO statistic full task\n",
4639 device_get_nameunit(sc->dev));
4640
4641 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4642 return;
4643
4644 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4645
4646 rt2860_drain_fifo_stats(sc);
4647
4648 RT2860_SOFTC_LOCK(sc);
4649
4650 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4651 {
4652 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4653 "%s: FIFO statistic full task: scheduling again\n",
4654 device_get_nameunit(sc->dev));
4655
4656 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4657 }
4658 else
4659 {
4660 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4661 }
4662
4663 RT2860_SOFTC_UNLOCK(sc);
4664 }
4665
4666 /*
4667 * rt2860_periodic_task
4668 */
4669 static void rt2860_periodic_task(void *context, int pending)
4670 {
4671 struct rt2860_softc *sc;
4672 struct ifnet *ifp;
4673 struct ieee80211com *ic;
4674
4675 sc = context;
4676 ifp = sc->ifp;
4677 ic = &sc->ic;
4678
4679 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4680 "%s: periodic task: round=%lu\n",
4681 device_get_nameunit(sc->dev), sc->periodic_round);
4682
4683 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4684 return;
4685
4686 RT2860_SOFTC_LOCK(sc);
4687
4688 sc->periodic_round++;
4689
4690 rt2860_update_stats(sc);
4691
4692 if ((sc->periodic_round % 10) == 0)
4693 {
4694 rt2860_bbp_tuning(sc);
4695
4696 rt2860_update_raw_counters(sc);
4697
4698 rt2860_watchdog(sc);
4699
4700 if (ic->ic_opmode != IEEE80211_M_MONITOR && ic->ic_state == IEEE80211_S_RUN)
4701 {
4702 if (ic->ic_opmode == IEEE80211_M_STA)
4703 rt2860_amrr_update_iter_func(sc, ic->ic_bss);
4704 else
4705 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, sc);
4706 }
4707 }
4708
4709 RT2860_SOFTC_UNLOCK(sc);
4710
4711 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4712 }
4713
4714 /*
4715 * rt2860_rx_eof
4716 */
4717 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4718 {
4719 struct ieee80211com *ic;
4720 struct ifnet *ifp;
4721 struct ieee80211_frame *wh;
4722 struct ieee80211_node *ni;
4723 struct rt2860_softc_node *rni;
4724 struct rt2860_softc_rx_radiotap_header *tap;
4725 struct rt2860_softc_rx_ring *ring;
4726 struct rt2860_rxdesc *desc;
4727 struct rt2860_softc_rx_data *data;
4728 struct rt2860_rxwi *rxwi;
4729 struct mbuf *m, *mnew;
4730 bus_dma_segment_t segs[1];
4731 bus_dmamap_t dma_map;
4732 uint32_t index, desc_flags;
4733 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
4734 int8_t rssi_dbm;
4735 int error, nsegs, len, ampdu, amsdu, nframes, i;
4736
4737 ic = &sc->ic;
4738 ifp = sc->ifp;
4739 ring = &sc->rx_ring;
4740
4741 nframes = 0;
4742
4743 while (limit != 0)
4744 {
4745 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4746 if (ring->cur == index)
4747 break;
4748
4749 desc = &ring->desc[ring->cur];
4750 desc_flags = le32toh(desc->flags);
4751 data = &ring->data[ring->cur];
4752
4753 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4754 BUS_DMASYNC_POSTREAD);
4755
4756 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4757 break;
4758
4759 nframes++;
4760
4761 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4762 if (mnew == NULL)
4763 {
4764 sc->rx_mbuf_alloc_errors++;
4765 ifp->if_ierrors++;
4766 goto skip;
4767 }
4768
4769 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4770
4771 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
4772 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4773 if (error != 0)
4774 {
4775 m_freem(mnew);
4776
4777 sc->rx_mbuf_dmamap_errors++;
4778 ifp->if_ierrors++;
4779
4780 goto skip;
4781 }
4782
4783 KASSERT(nsegs == 1, ("%s: too many DMA segments",
4784 device_get_name(sc->dev)));
4785
4786 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4787 BUS_DMASYNC_POSTREAD);
4788 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4789
4790 dma_map = data->dma_map;
4791 data->dma_map = ring->spare_dma_map;
4792 ring->spare_dma_map = dma_map;
4793
4794 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4795 BUS_DMASYNC_PREREAD);
4796
4797 m = data->m;
4798
4799 data->m = mnew;
4800 desc->sdp0 = htole32(segs[0].ds_addr);
4801
4802 /* get Rx wireless info */
4803
4804 rxwi = mtod(m, struct rt2860_rxwi *);
4805 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4806 RT2860_RXWI_SIZE_MASK;
4807
4808 /* check for L2 padding between IEEE 802.11 frame header and body */
4809
4810 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4811 {
4812 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4813 "%s: L2 padding: len=%d\n",
4814 device_get_nameunit(sc->dev), len);
4815
4816 len += 2;
4817 }
4818
4819 m->m_pkthdr.rcvif = ifp;
4820 m->m_data = (caddr_t) (rxwi + 1);
4821 m->m_pkthdr.len = m->m_len = len;
4822
4823 /* check for crc errors */
4824
4825 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4826 {
4827 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4828 "%s: rxdesc: crc error\n",
4829 device_get_nameunit(sc->dev));
4830
4831 ifp->if_ierrors++;
4832
4833 if (!(ifp->if_flags & IFF_PROMISC))
4834 {
4835 m_freem(m);
4836 goto skip;
4837 }
4838 }
4839
4840 wh = (struct ieee80211_frame *) (rxwi + 1);
4841
4842 /* check for cipher errors */
4843
4844 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4845 {
4846 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4847 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4848 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4849 {
4850 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4851 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4852
4853 m->m_flags |= M_WEP;
4854
4855 sc->rx_cipher_no_errors++;
4856 }
4857 else
4858 {
4859 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4860 "%s: rxdesc: cipher error=0x%02x\n",
4861 device_get_nameunit(sc->dev), cipher_err);
4862
4863 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
4864 sc->rx_cipher_icv_errors++;
4865 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
4866 sc->rx_cipher_mic_errors++;
4867 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
4868 sc->rx_cipher_invalid_key_errors++;
4869
4870 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
4871 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
4872 {
4873 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
4874 RT2860_RXWI_KEYIDX_MASK;
4875
4876 ieee80211_notify_michael_failure(ic, wh, keyidx);
4877 }
4878
4879 ifp->if_ierrors++;
4880
4881 if (!(ifp->if_flags & IFF_PROMISC))
4882 {
4883 m_free(m);
4884 goto skip;
4885 }
4886 }
4887 }
4888 else
4889 {
4890 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4891 {
4892 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4893 "%s: rxdesc: not decrypted but protected flag set\n",
4894 device_get_nameunit(sc->dev));
4895
4896 ifp->if_ierrors++;
4897
4898 if (!(ifp->if_flags & IFF_PROMISC))
4899 {
4900 m_free(m);
4901 goto skip;
4902 }
4903 }
4904 }
4905
4906 /* check for A-MPDU */
4907
4908 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4909 {
4910 m->m_flags |= M_AMPDU;
4911
4912 sc->rx_ampdu++;
4913
4914 ampdu = 1;
4915 }
4916 else
4917 {
4918 ampdu = 0;
4919 }
4920
4921 /* check for A-MSDU */
4922
4923 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
4924 {
4925 sc->rx_amsdu++;
4926
4927 amsdu = 1;
4928 }
4929 else
4930 {
4931 amsdu = 0;
4932 }
4933
4934 ant = rt2860_maxrssi_rxpath(sc, rxwi);
4935 rssi = rxwi->rssi[ant];
4936 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
4937 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
4938 RT2860_RXWI_PHYMODE_MASK);
4939 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
4940 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
4941 RT2860_RXWI_SHORTGI_MASK);
4942 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
4943
4944 if (bpf_peers_present(sc->drvbpf))
4945 {
4946 tap = &sc->rxtap;
4947
4948 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4949 tap->dbm_antsignal = rssi_dbm;
4950 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
4951 tap->antenna = ant;
4952 tap->antsignal = rssi;
4953 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4954 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4955 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4956 tap->chan_maxpow = 0;
4957
4958 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
4959 tap->rate = mcs | IEEE80211_RATE_MCS;
4960 else
4961 tap->rate = rt2860_rxrate(rxwi);
4962
4963 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4964 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4965
4966 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
4967 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4968
4969 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
4970 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4971
4972 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
4973 (wh->i_fc[1] & IEEE80211_FC1_WEP))
4974 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4975
4976 if (shortgi)
4977 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4978
4979 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
4980 }
4981
4982 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4983 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4984 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
4985 device_get_nameunit(sc->dev),
4986 len, phymode, bw, shortgi, mcs,
4987 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4988 rxwi->snr[0], rxwi->snr[1],
4989 rxwi->wcid, ampdu, amsdu);
4990
4991 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4992
4993 if (ni != NULL)
4994 {
4995 rni = (struct rt2860_softc_node *) ni;
4996
4997 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
4998 {
4999 rni->last_rssi[i] = rxwi->rssi[i];
5000 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5001 }
5002 }
5003
5004 ieee80211_input(ic, m, ni, rssi_dbm, RT2860_NOISE_FLOOR, 0);
5005
5006 ieee80211_free_node(ni);
5007
5008 skip:
5009
5010 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5011
5012 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5013 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5014
5015 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5016
5017 limit--;
5018 }
5019
5020 if (ring->cur == 0)
5021 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5022 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5023 else
5024 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5025 ring->cur - 1);
5026
5027 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5028 "%s: Rx eof: nframes=%d\n",
5029 device_get_nameunit(sc->dev), nframes);
5030
5031 sc->rx_packets += nframes;
5032
5033 return (limit == 0);
5034 }
5035
5036 /*
5037 * rt2860_tx_eof
5038 */
5039 static void rt2860_tx_eof(struct rt2860_softc *sc,
5040 struct rt2860_softc_tx_ring *ring)
5041 {
5042 struct ifnet *ifp;
5043 struct rt2860_txdesc *desc;
5044 struct rt2860_softc_tx_data *data;
5045 uint32_t index;
5046 int ndescs, nframes;
5047
5048 ifp = sc->ifp;
5049
5050 ndescs = 0;
5051 nframes = 0;
5052
5053 for (;;)
5054 {
5055 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5056 if (ring->desc_next == index)
5057 break;
5058
5059 ndescs++;
5060
5061 rt2860_drain_fifo_stats(sc);
5062
5063 desc = &ring->desc[ring->desc_next];
5064
5065 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5066 BUS_DMASYNC_POSTREAD);
5067
5068 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5069 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5070 {
5071 nframes++;
5072
5073 data = &ring->data[ring->data_next];
5074
5075 if (data->m->m_flags & M_TXCB)
5076 ieee80211_process_callback(data->ni, data->m, 0);
5077
5078 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5079 BUS_DMASYNC_POSTWRITE);
5080 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5081
5082 m_freem(data->m);
5083
5084 ieee80211_free_node(data->ni);
5085
5086 data->m = NULL;
5087 data->ni = NULL;
5088
5089 ifp->if_opackets++;
5090
5091 RT2860_SOFTC_LOCK(sc);
5092
5093 ring->data_queued--;
5094 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5095
5096 RT2860_SOFTC_UNLOCK(sc);
5097 }
5098
5099 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5100
5101 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5102 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5103
5104 RT2860_SOFTC_LOCK(sc);
5105
5106 ring->desc_queued--;
5107 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5108
5109 RT2860_SOFTC_UNLOCK(sc);
5110 }
5111
5112 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5113 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5114 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5115 }
5116
5117 /*
5118 * rt2860_update_stats
5119 */
5120 static void rt2860_update_stats(struct rt2860_softc *sc)
5121 {
5122 struct ifnet *ifp;
5123 struct ieee80211com *ic;
5124 struct ieee80211_node *ni;
5125 struct rt2860_softc_node *rni;
5126 uint32_t stacnt[3];
5127 int beacons, noretryok, retryok, failed, underflows, zerolen;
5128 uint8_t wcid;
5129
5130 ifp = sc->ifp;
5131 ic = &sc->ic;
5132
5133 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5134 "%s: update statistic\n",
5135 device_get_nameunit(sc->dev));
5136
5137 rt2860_drain_fifo_stats(sc);
5138
5139 /* read and clear Tx statistic registers */
5140
5141 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5142 stacnt, sizeof(stacnt));
5143
5144 stacnt[0] = le32toh(stacnt[0]);
5145 stacnt[1] = le32toh(stacnt[1]);
5146 stacnt[2] = le32toh(stacnt[2]);
5147
5148 beacons = stacnt[0] >> 16;
5149 noretryok = stacnt[1] & 0xffff;
5150 retryok = stacnt[1] >> 16;
5151 failed = stacnt[0] & 0xffff;
5152 underflows = stacnt[2] >> 16;
5153 zerolen = stacnt[2] & 0xffff;
5154
5155 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5156 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5157 device_get_nameunit(sc->dev),
5158 beacons, noretryok, retryok, failed, underflows, zerolen);
5159
5160 ifp->if_oerrors += failed;
5161
5162 sc->tx_beacons += beacons;
5163 sc->tx_noretryok += noretryok;
5164 sc->tx_retryok += retryok;
5165 sc->tx_failed += failed;
5166 sc->tx_underflows += underflows;
5167 sc->tx_zerolen += zerolen;
5168
5169 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
5170 {
5171 ni = ic->ic_bss;
5172 rni = (struct rt2860_softc_node *) ni;
5173 wcid = rni->staid;
5174
5175 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5176 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5177 }
5178 }
5179
5180 /*
5181 * rt2860_bbp_tuning
5182 */
5183 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5184 {
5185 struct ieee80211com *ic;
5186 struct ieee80211_node *ni;
5187 int chan, group;
5188 int8_t rssi, old, new;
5189
5190 /* RT2860C does not support BBP tuning */
5191
5192 if (sc->mac_rev == 0x28600100)
5193 return;
5194
5195 ic = &sc->ic;
5196
5197 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
5198 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
5199 return;
5200
5201 ni = ic->ic_bss;
5202
5203 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5204
5205 if (chan <= 14)
5206 group = 0;
5207 else if (chan <= 64)
5208 group = 1;
5209 else if (chan <= 128)
5210 group = 2;
5211 else
5212 group = 3;
5213
5214 rssi = ieee80211_getrssi(ic);
5215
5216 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5217 {
5218 new = 0x2e + sc->lna_gain[group];
5219 }
5220 else
5221 {
5222 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5223 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5224 else
5225 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5226 }
5227
5228 /* Tune if absolute average RSSI is greater than -80 */
5229
5230 if (rssi > -80)
5231 new += 0x10;
5232
5233 old = rt2860_io_bbp_read(sc, 66);
5234
5235 if (old != new)
5236 rt2860_io_bbp_write(sc, 66, new);
5237 }
5238
5239 /*
5240 * rt2860_watchdog
5241 */
5242 static void rt2860_watchdog(struct rt2860_softc *sc)
5243 {
5244 uint32_t tmp;
5245 int ntries;
5246
5247 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5248
5249 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5250 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5251 device_get_nameunit(sc->dev), tmp);
5252
5253 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5254 {
5255 sc->tx_queue_not_empty[0]++;
5256
5257 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5258
5259 for (ntries = 0; ntries < 10; ntries++)
5260 {
5261 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5262 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5263 break;
5264
5265 DELAY(1);
5266 }
5267
5268 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5269 }
5270
5271 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5272 {
5273 sc->tx_queue_not_empty[1]++;
5274
5275 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5276
5277 for (ntries = 0; ntries < 10; ntries++)
5278 {
5279 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5280 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5281 break;
5282
5283 DELAY(1);
5284 }
5285
5286 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5287 }
5288 }
5289
5290 /*
5291 * rt2860_drain_fifo_stats
5292 */
5293 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5294 {
5295 struct ifnet *ifp;
5296 uint32_t stats;
5297 uint8_t wcid, mcs, pid;
5298 int ok, agg, retrycnt;
5299
5300 ifp = sc->ic.ic_ifp;
5301
5302 /* drain Tx status FIFO (maxsize = 16) */
5303
5304 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5305 RT2860_REG_TX_STA_FIFO_VALID)
5306 {
5307 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5308 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5309
5310 /* if no ACK was requested, no feedback is available */
5311
5312 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
5313 continue;
5314
5315 /* update AMRR statistic */
5316
5317 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5318 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5319 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5320 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5321 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5322 RT2860_REG_TX_STA_FIFO_PID_MASK;
5323 retrycnt = pid - mcs;
5324
5325 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5326 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5327 device_get_nameunit(sc->dev),
5328 wcid, ok, agg, mcs, pid, retrycnt);
5329
5330 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5331
5332 if (!ok)
5333 ifp->if_oerrors++;
5334 }
5335 }
5336
5337 /*
5338 * rt2860_update_raw_counters
5339 */
5340 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5341 {
5342 uint32_t tmp;
5343
5344 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5345
5346 sc->tx_nonagg += tmp & 0xffff;
5347 sc->tx_agg += tmp >> 16;
5348
5349 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5350
5351 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5352
5353 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5354
5355 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5356
5357 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5358
5359 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5360
5361 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5362
5363 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5364
5365 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5366
5367 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5368
5369 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5370
5371 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5372
5373 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5374
5375 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5376
5377 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5378
5379 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5380
5381 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5382
5383 sc->rx_crc_errors += tmp & 0xffff;
5384 sc->rx_phy_errors += tmp >> 16;
5385
5386 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5387
5388 sc->rx_false_ccas += tmp & 0xffff;
5389 sc->rx_plcp_errors += tmp >> 16;
5390
5391 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5392
5393 sc->rx_dup_packets += tmp & 0xffff;
5394 sc->rx_fifo_overflows += tmp >> 16;
5395
5396 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5397
5398 sc->tx_mpdu_zero_density += tmp & 0xffff;
5399 sc->rx_mpdu_zero_density += tmp >> 16;
5400 }
5401
5402 /*
5403 * rt2860_intr_enable
5404 */
5405 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5406 {
5407 uint32_t tmp;
5408
5409 sc->intr_disable_mask &= ~intr_mask;
5410
5411 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5412
5413 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5414 }
5415
5416 /*
5417 * rt2860_intr_disable
5418 */
5419 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5420 {
5421 uint32_t tmp;
5422
5423 sc->intr_disable_mask |= intr_mask;
5424
5425 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5426
5427 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5428 }
5429
5430 /*
5431 * rt2860_txrx_enable
5432 */
5433 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5434 {
5435 struct ieee80211com *ic;
5436 struct ifnet *ifp;
5437 uint32_t tmp;
5438 int ntries;
5439
5440 ic = &sc->ic;
5441 ifp = ic->ic_ifp;
5442
5443 /* enable Tx/Rx DMA engine */
5444
5445 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5446
5447 for (ntries = 0; ntries < 200; ntries++)
5448 {
5449 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5450 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5451 break;
5452
5453 DELAY(1000);
5454 }
5455
5456 if (ntries == 200)
5457 {
5458 printf("%s: timeout waiting for DMA engine\n",
5459 device_get_nameunit(sc->dev));
5460 return -1;
5461 }
5462
5463 DELAY(50);
5464
5465 tmp |= RT2860_REG_TX_WB_DDONE |
5466 RT2860_REG_RX_DMA_ENABLE |
5467 RT2860_REG_TX_DMA_ENABLE |
5468 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5469
5470 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5471
5472 /* set Rx filter */
5473
5474 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5475 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5476
5477 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5478 {
5479 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5480 RT2860_REG_RX_FILTER_DROP_CTS |
5481 RT2860_REG_RX_FILTER_DROP_BA |
5482 RT2860_REG_RX_FILTER_DROP_ACK |
5483 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5484 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5485 RT2860_REG_RX_FILTER_DROP_CFACK |
5486 RT2860_REG_RX_FILTER_DROP_CFEND;
5487
5488 if (ic->ic_opmode == IEEE80211_M_STA)
5489 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5490 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5491
5492 if (!(ifp->if_flags & IFF_PROMISC))
5493 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5494 }
5495
5496 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5497
5498 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5499 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5500
5501 return 0;
5502 }
5503
5504 /*
5505 * rt2860_alloc_rx_ring
5506 */
5507 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5508 struct rt2860_softc_rx_ring *ring)
5509 {
5510 struct rt2860_rxdesc *desc;
5511 struct rt2860_softc_rx_data *data;
5512 bus_dma_segment_t segs[1];
5513 int i, nsegs, error;
5514
5515 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5516 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5517 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5518 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5519 0, NULL, NULL, &ring->desc_dma_tag);
5520 if (error != 0)
5521 {
5522 printf("%s: could not create Rx desc DMA tag\n",
5523 device_get_nameunit(sc->dev));
5524 goto fail;
5525 }
5526
5527 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5528 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5529 if (error != 0)
5530 {
5531 printf("%s: could not allocate Rx desc DMA memory\n",
5532 device_get_nameunit(sc->dev));
5533 goto fail;
5534 }
5535
5536 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5537 ring->desc,
5538 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5539 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5540 if (error != 0)
5541 {
5542 printf("%s: could not load Rx desc DMA map\n",
5543 device_get_nameunit(sc->dev));
5544 goto fail;
5545 }
5546
5547 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5548 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5549 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5550 &ring->data_dma_tag);
5551 if (error != 0)
5552 {
5553 printf("%s: could not create Rx data DMA tag\n",
5554 device_get_nameunit(sc->dev));
5555 goto fail;
5556 }
5557
5558 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5559 {
5560 desc = &ring->desc[i];
5561 data = &ring->data[i];
5562
5563 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5564 if (error != 0)
5565 {
5566 printf("%s: could not create Rx data DMA map\n",
5567 device_get_nameunit(sc->dev));
5568 goto fail;
5569 }
5570
5571 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5572 if (data->m == NULL)
5573 {
5574 printf("%s: could not allocate Rx mbuf\n",
5575 device_get_nameunit(sc->dev));
5576 error = ENOMEM;
5577 goto fail;
5578 }
5579
5580 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5581
5582 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5583 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5584 if (error != 0)
5585 {
5586 printf("%s: could not load Rx mbuf DMA map\n",
5587 device_get_nameunit(sc->dev));
5588 goto fail;
5589 }
5590
5591 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5592 device_get_name(sc->dev)));
5593
5594 desc->sdp0 = htole32(segs[0].ds_addr);
5595 desc->sdl0 = htole16(MJUMPAGESIZE);
5596 }
5597
5598 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5599 if (error != 0)
5600 {
5601 printf("%s: could not create Rx spare DMA map\n",
5602 device_get_nameunit(sc->dev));
5603 goto fail;
5604 }
5605
5606 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5607 BUS_DMASYNC_PREWRITE);
5608
5609 return 0;
5610
5611 fail:
5612
5613 rt2860_free_rx_ring(sc, ring);
5614
5615 return error;
5616 }
5617
5618 /*
5619 * rt2860_reset_rx_ring
5620 */
5621 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5622 struct rt2860_softc_rx_ring *ring)
5623 {
5624 struct rt2860_rxdesc *desc;
5625 int i;
5626
5627 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5628 {
5629 desc = &ring->desc[i];
5630
5631 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5632 }
5633
5634 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5635 BUS_DMASYNC_PREWRITE);
5636
5637 ring->cur = 0;
5638 }
5639
5640 /*
5641 * rt2860_free_rx_ring
5642 */
5643 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5644 struct rt2860_softc_rx_ring *ring)
5645 {
5646 struct rt2860_softc_rx_data *data;
5647 int i;
5648
5649 if (ring->desc != NULL)
5650 {
5651 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5652 BUS_DMASYNC_POSTWRITE);
5653 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5654 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5655 ring->desc_dma_map);
5656 }
5657
5658 if (ring->desc_dma_tag != NULL)
5659 bus_dma_tag_destroy(ring->desc_dma_tag);
5660
5661 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5662 {
5663 data = &ring->data[i];
5664
5665 if (data->m != NULL)
5666 {
5667 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5668 BUS_DMASYNC_POSTREAD);
5669 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5670 m_freem(data->m);
5671 }
5672
5673 if (data->dma_map != NULL)
5674 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5675 }
5676
5677 if (ring->spare_dma_map != NULL)
5678 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5679
5680 if (ring->data_dma_tag != NULL)
5681 bus_dma_tag_destroy(ring->data_dma_tag);
5682 }
5683
5684 /*
5685 * rt2860_alloc_tx_ring
5686 */
5687 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5688 struct rt2860_softc_tx_ring *ring, int qid)
5689 {
5690 struct rt2860_softc_tx_data *data;
5691 int error, i;
5692
5693 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5694 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5695 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5696 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5697 0, NULL, NULL, &ring->desc_dma_tag);
5698 if (error != 0)
5699 {
5700 printf("%s: could not create Tx desc DMA tag\n",
5701 device_get_nameunit(sc->dev));
5702 goto fail;
5703 }
5704
5705 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5706 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5707 if (error != 0)
5708 {
5709 printf("%s: could not allocate Tx desc DMA memory\n",
5710 device_get_nameunit(sc->dev));
5711 goto fail;
5712 }
5713
5714 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5715 ring->desc,
5716 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5717 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5718 if (error != 0)
5719 {
5720 printf("%s: could not load Tx desc DMA map\n",
5721 device_get_nameunit(sc->dev));
5722 goto fail;
5723 }
5724
5725 ring->desc_queued = 0;
5726 ring->desc_cur = 0;
5727 ring->desc_next = 0;
5728
5729 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5730 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5731 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5732 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5733 0, NULL, NULL, &ring->seg0_dma_tag);
5734 if (error != 0)
5735 {
5736 printf("%s: could not create Tx seg0 DMA tag\n",
5737 device_get_nameunit(sc->dev));
5738 goto fail;
5739 }
5740
5741 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5742 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5743 if (error != 0)
5744 {
5745 printf("%s: could not allocate Tx seg0 DMA memory\n",
5746 device_get_nameunit(sc->dev));
5747 goto fail;
5748 }
5749
5750 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5751 ring->seg0,
5752 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5753 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5754 if (error != 0)
5755 {
5756 printf("%s: could not load Tx seg0 DMA map\n",
5757 device_get_nameunit(sc->dev));
5758 goto fail;
5759 }
5760
5761 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5762 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5763 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5764 &ring->data_dma_tag);
5765 if (error != 0)
5766 {
5767 printf("%s: could not create Tx data DMA tag\n",
5768 device_get_nameunit(sc->dev));
5769 goto fail;
5770 }
5771
5772 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5773 {
5774 data = &ring->data[i];
5775
5776 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5777 if (error != 0)
5778 {
5779 printf("%s: could not create Tx data DMA map\n",
5780 device_get_nameunit(sc->dev));
5781 goto fail;
5782 }
5783 }
5784
5785 ring->data_queued = 0;
5786 ring->data_cur = 0;
5787 ring->data_next = 0;
5788
5789 ring->qid = qid;
5790
5791 return 0;
5792
5793 fail:
5794
5795 rt2860_free_tx_ring(sc, ring);
5796
5797 return error;
5798 }
5799
5800 /*
5801 * rt2860_reset_tx_ring
5802 */
5803 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5804 struct rt2860_softc_tx_ring *ring)
5805 {
5806 struct rt2860_softc_tx_data *data;
5807 struct rt2860_txdesc *desc;
5808 int i;
5809
5810 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5811 {
5812 desc = &ring->desc[i];
5813
5814 desc->sdl0 = 0;
5815 desc->sdl1 = 0;
5816 }
5817
5818 ring->desc_queued = 0;
5819 ring->desc_cur = 0;
5820 ring->desc_next = 0;
5821
5822 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5823 BUS_DMASYNC_PREWRITE);
5824
5825 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5826 BUS_DMASYNC_PREWRITE);
5827
5828 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5829 {
5830 data = &ring->data[i];
5831
5832 if (data->m != NULL)
5833 {
5834 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5835 BUS_DMASYNC_POSTWRITE);
5836 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5837 m_freem(data->m);
5838 data->m = NULL;
5839 }
5840
5841 if (data->ni != NULL)
5842 {
5843 ieee80211_free_node(data->ni);
5844 data->ni = NULL;
5845 }
5846 }
5847
5848 ring->data_queued = 0;
5849 ring->data_cur = 0;
5850 ring->data_next = 0;
5851 }
5852
5853 /*
5854 * rt2860_free_tx_ring
5855 */
5856 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5857 struct rt2860_softc_tx_ring *ring)
5858 {
5859 struct rt2860_softc_tx_data *data;
5860 int i;
5861
5862 if (ring->desc != NULL)
5863 {
5864 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5865 BUS_DMASYNC_POSTWRITE);
5866 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5867 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5868 ring->desc_dma_map);
5869 }
5870
5871 if (ring->desc_dma_tag != NULL)
5872 bus_dma_tag_destroy(ring->desc_dma_tag);
5873
5874 if (ring->seg0 != NULL)
5875 {
5876 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5877 BUS_DMASYNC_POSTWRITE);
5878 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5879 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5880 ring->seg0_dma_map);
5881 }
5882
5883 if (ring->seg0_dma_tag != NULL)
5884 bus_dma_tag_destroy(ring->seg0_dma_tag);
5885
5886 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5887 {
5888 data = &ring->data[i];
5889
5890 if (data->m != NULL)
5891 {
5892 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5893 BUS_DMASYNC_POSTWRITE);
5894 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5895 m_freem(data->m);
5896 }
5897
5898 if (data->ni != NULL)
5899 ieee80211_free_node(data->ni);
5900
5901 if (data->dma_map != NULL)
5902 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5903 }
5904
5905 if (ring->data_dma_tag != NULL)
5906 bus_dma_tag_destroy(ring->data_dma_tag);
5907 }
5908
5909 /*
5910 * rt2860_dma_map_addr
5911 */
5912 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5913 int nseg, int error)
5914 {
5915 if (error != 0)
5916 return;
5917
5918 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5919
5920 *(bus_addr_t *) arg = segs[0].ds_addr;
5921 }
5922
5923 /*
5924 * rt2860_sysctl_attach
5925 */
5926 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5927 {
5928 struct sysctl_ctx_list *ctx;
5929 struct sysctl_oid *tree;
5930 struct sysctl_oid *stats;
5931
5932 ctx = device_get_sysctl_ctx(sc->dev);
5933 tree = device_get_sysctl_tree(sc->dev);
5934
5935 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5936 "stats", CTLFLAG_RD, 0, "statistic");
5937
5938 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5939 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5940 "all interrupts");
5941
5942 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5943 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5944 "Tx coherent interrupts");
5945
5946 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5947 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5948 "Rx coherent interrupts");
5949
5950 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5951 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5952 "Tx/Rx coherent interrupts");
5953
5954 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5955 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5956 "FIFO statistic full interrupts");
5957
5958 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5959 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5960 "Rx interrupts");
5961
5962 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5963 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5964 "Rx delay interrupts");
5965
5966 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5967 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5968 "Tx MGMT interrupts");
5969
5970 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5971 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5972 "Tx HCCA interrupts");
5973
5974 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5975 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5976 "Tx AC3 interrupts");
5977
5978 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5979 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5980 "Tx AC2 interrupts");
5981
5982 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5983 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5984 "Tx AC1 interrupts");
5985
5986 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5987 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5988 "Tx AC0 interrupts");
5989
5990 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5991 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5992 "Tx delay interrupts");
5993
5994 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5995 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5996 "Pre-TBTT interrupts");
5997
5998 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5999 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6000 "TBTT interrupts");
6001
6002 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6003 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6004 "MCU command interrupts");
6005
6006 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6007 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6008 "auto wakeup interrupts");
6009
6010 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6011 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6012 "GP timer interrupts");
6013
6014 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6015 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6016 "Tx MGMT descriptors queued");
6017
6018 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6019 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6020 "Tx MGMT data queued");
6021
6022 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6023 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6024 "Tx HCCA descriptors queued");
6025
6026 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6027 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6028 "Tx HCCA data queued");
6029
6030 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6031 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6032 "Tx AC3 descriptors queued");
6033
6034 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6035 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6036 "Tx AC3 data queued");
6037
6038 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6039 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6040 "Tx AC2 descriptors queued");
6041
6042 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6043 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6044 "Tx AC2 data queued");
6045
6046 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6047 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6048 "Tx AC1 descriptors queued");
6049
6050 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6051 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6052 "Tx AC1 data queued");
6053
6054 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6055 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6056 "Tx AC0 descriptors queued");
6057
6058 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6059 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6060 "Tx AC0 data queued");
6061
6062 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6063 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6064 "Tx MGMT data queue full");
6065
6066 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6067 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6068 "Tx HCCA data queue full");
6069
6070 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6071 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6072 "Tx AC3 data queue full");
6073
6074 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6075 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6076 "Tx AC2 data queue full");
6077
6078 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6079 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6080 "Tx AC1 data queue full");
6081
6082 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6083 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6084 "Tx AC0 data queue full");
6085
6086 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6087 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6088 "Tx watchdog timeouts");
6089
6090 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6091 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6092 "Tx defragmented packets");
6093
6094 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6095 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6096 "no Tx descriptors available");
6097
6098 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6099 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6100 "Rx mbuf allocation errors");
6101
6102 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6103 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6104 "Rx mbuf DMA mapping errors");
6105
6106 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6107 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6108 "Tx queue 0 not empty");
6109
6110 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6111 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6112 "Tx queue 1 not empty");
6113
6114 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6115 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6116 "Tx beacons");
6117
6118 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6119 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6120 "Tx successfull without retries");
6121
6122 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6123 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6124 "Tx successfull with retries");
6125
6126 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6127 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6128 "Tx failed");
6129
6130 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6131 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6132 "Tx underflows");
6133
6134 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6135 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6136 "Tx zero length");
6137
6138 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6139 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6140 "Tx non-aggregated");
6141
6142 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6143 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6144 "Tx aggregated");
6145
6146 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6147 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6148 "Tx A-MPDU");
6149
6150 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6151 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6152 "Tx MPDU with zero density");
6153
6154 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6155 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6156 "Rx packets");
6157
6158 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6159 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6160 "Rx A-MPDU");
6161
6162 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6163 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6164 "Rx MPDU with zero density");
6165
6166 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6167 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6168 "Rx A-MSDU");
6169
6170 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6171 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6172 "Rx CRC errors");
6173
6174 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6175 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6176 "Rx PHY errors");
6177
6178 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6179 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6180 "Rx false CCAs");
6181
6182 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6183 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6184 "Rx PLCP errors");
6185
6186 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6187 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6188 "Rx duplicate packets");
6189
6190 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6191 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6192 "Rx FIFO overflows");
6193
6194 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6195 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6196 "Rx cipher no errors");
6197
6198 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6199 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6200 "Rx cipher ICV errors");
6201
6202 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6203 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6204 "Rx cipher MIC errors");
6205
6206 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6207 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6208 "Rx cipher invalid key errors");
6209 }
6210
6211 static device_method_t rt2860_dev_methods[] =
6212 {
6213 DEVMETHOD(device_probe, rt2860_probe),
6214 DEVMETHOD(device_attach, rt2860_attach),
6215 DEVMETHOD(device_detach, rt2860_detach),
6216 DEVMETHOD(device_shutdown, rt2860_shutdown),
6217 DEVMETHOD(device_suspend, rt2860_suspend),
6218 DEVMETHOD(device_resume, rt2860_resume),
6219 { 0, 0 }
6220 };
6221
6222 static driver_t rt2860_driver =
6223 {
6224 "rt2860",
6225 rt2860_dev_methods,
6226 sizeof(struct rt2860_softc)
6227 };
6228
6229 static devclass_t rt2860_dev_class;
6230
6231 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6232
6233 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6234 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2860