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PID 0 means do not collect FIFO Tx statistic
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blob13d687baad4fbbcdd0282c53586854f7480cc895
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_ACK_SIZE 14
51
52 #define IEEE80211_HAS_ADDR4(wh) \
53 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
54
55 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
56 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
57
58 #define RT2860_TX_WATCHDOG_TIMEOUT 5
59
60 #define RT2860_WCID_RESERVED 0xff
61 #define RT2860_WCID_MCAST 0xf7
62
63 /*
64 * Data structures and types
65 */
66
67 struct rt2860_pci_ident
68 {
69 uint16_t vendor;
70 uint16_t device;
71 const char *name;
72 };
73
74 /*
75 * Static function prototypes
76 */
77
78 static int rt2860_probe(device_t dev);
79
80 static int rt2860_attach(device_t dev);
81
82 static int rt2860_detach(device_t dev);
83
84 static int rt2860_shutdown(device_t dev);
85
86 static int rt2860_suspend(device_t dev);
87
88 static int rt2860_resume(device_t dev);
89
90 static void rt2860_init_channels(struct rt2860_softc *sc);
91
92 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
93
94 static void rt2860_init_locked(void *priv);
95
96 static void rt2860_init(void *priv);
97
98 static int rt2860_init_bbp(struct rt2860_softc *sc);
99
100 static void rt2860_stop_locked(void *priv);
101
102 static void rt2860_stop(void *priv);
103
104 static void rt2860_start(struct ifnet *ifp);
105
106 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
107
108 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
109 const char name[IFNAMSIZ], int unit, int opmode, int flags,
110 const uint8_t bssid[IEEE80211_ADDR_LEN],
111 const uint8_t mac[IEEE80211_ADDR_LEN]);
112
113 static void rt2860_vap_delete(struct ieee80211vap *vap);
114
115 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
116
117 static int rt2860_vap_newstate(struct ieee80211vap *vap,
118 enum ieee80211_state nstate, int arg);
119
120 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
121
122 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
123
124 static int rt2860_vap_key_set(struct ieee80211vap *vap,
125 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
126
127 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
128 const struct ieee80211_key *k);
129
130 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
131
132 static int rt2860_media_change(struct ifnet *ifp);
133
134 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
135 const uint8_t mac[IEEE80211_ADDR_LEN]);
136
137 static void rt2860_node_cleanup(struct ieee80211_node *ni);
138
139 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
140 struct ieee80211_mimo_info *mi);
141
142 static int rt2860_setregdomain(struct ieee80211com *ic,
143 struct ieee80211_regdomain *reg,
144 int nchans, struct ieee80211_channel chans[]);
145
146 static void rt2860_getradiocaps(struct ieee80211com *ic,
147 int maxchans, int *nchans, struct ieee80211_channel chans[]);
148
149 static void rt2860_scan_start(struct ieee80211com *ic);
150
151 static void rt2860_scan_end(struct ieee80211com *ic);
152
153 static void rt2860_set_channel(struct ieee80211com *ic);
154
155 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
156
157 static void rt2860_updateslot(struct ifnet *ifp);
158
159 static void rt2860_update_promisc(struct ifnet *ifp);
160
161 static void rt2860_update_mcast(struct ifnet *ifp);
162
163 static int rt2860_wme_update(struct ieee80211com *ic);
164
165 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
166 const struct ieee80211_bpf_params *params);
167
168 static int rt2860_recv_action(struct ieee80211_node *ni,
169 const struct ieee80211_frame *wh,
170 const uint8_t *frm, const uint8_t *efrm);
171
172 static int rt2860_send_action(struct ieee80211_node *ni,
173 int cat, int act, void *sa);
174
175 static int rt2860_addba_response(struct ieee80211_node *ni,
176 struct ieee80211_tx_ampdu *tap,
177 int status, int baparamset, int batimeout);
178
179 static void rt2860_addba_stop(struct ieee80211_node *ni,
180 struct ieee80211_tx_ampdu *tap);
181
182 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
183
184 static void rt2860_periodic(void *arg);
185
186 static void rt2860_tx_watchdog(void *arg);
187
188 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid);
189
190 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid);
191
192 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
193 const uint8_t *bssid);
194
195 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
196 const uint8_t *addr);
197
198 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
199
200 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
201
202 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
203
204 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
205
206 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
207
208 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
209
210 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
211
212 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
213
214 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
215
216 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
217
218 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
219
220 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
221 struct ieee80211vap *vap);
222
223 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
224
225 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
226 struct ieee80211vap *vap);
227
228 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
229
230 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
231 const struct rt2860_rxwi *rxwi);
232
233 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
234 uint8_t rssi, uint8_t rxpath);
235
236 static uint8_t rt2860_rate2mcs(uint8_t rate);
237
238 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
239 struct mbuf *m, struct ieee80211_node *ni, int qid);
240
241 static int rt2860_tx_data(struct rt2860_softc *sc,
242 struct mbuf *m, struct ieee80211_node *ni, int qid);
243
244 static int rt2860_tx_raw(struct rt2860_softc *sc,
245 struct mbuf *m, struct ieee80211_node *ni,
246 const struct ieee80211_bpf_params *params);
247
248 static void rt2860_intr(void *arg);
249
250 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
251
252 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
253
254 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
255
256 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
257
258 static void rt2860_rx_intr(struct rt2860_softc *sc);
259
260 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
261
262 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
263
264 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
265
266 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
267
268 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
269
270 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
271
272 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
273
274 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
275
276 static void rt2860_rx_done_task(void *context, int pending);
277
278 static void rt2860_tx_done_task(void *context, int pending);
279
280 static void rt2860_fifo_sta_full_task(void *context, int pending);
281
282 static void rt2860_periodic_task(void *context, int pending);
283
284 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
285
286 static void rt2860_tx_eof(struct rt2860_softc *sc,
287 struct rt2860_softc_tx_ring *ring);
288
289 static void rt2860_update_stats(struct rt2860_softc *sc);
290
291 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
292
293 static void rt2860_watchdog(struct rt2860_softc *sc);
294
295 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
296
297 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
298
299 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
300
301 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
302
303 static int rt2860_txrx_enable(struct rt2860_softc *sc);
304
305 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
306 struct rt2860_softc_rx_ring *ring);
307
308 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
309 struct rt2860_softc_rx_ring *ring);
310
311 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
312 struct rt2860_softc_rx_ring *ring);
313
314 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
315 struct rt2860_softc_tx_ring *ring, int qid);
316
317 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
318 struct rt2860_softc_tx_ring *ring);
319
320 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
321 struct rt2860_softc_tx_ring *ring);
322
323 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
324 int nseg, int error);
325
326 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
327
328 /*
329 * Static variables
330 */
331
332 static const struct rt2860_pci_ident rt2860_pci_ids[] =
333 {
334 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
335 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
336 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
337 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
338 { 0, 0, NULL }
339 };
340
341 static const struct
342 {
343 uint32_t reg;
344 uint32_t val;
345 } rt2860_def_mac[] =
346 {
347 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
348 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
349 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
350 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
351 { RT2860_REG_SYS_CTRL, 0x00000000 },
352 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
353 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
354 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
355 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
356 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
357 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
358 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
359 { RT2860_REG_LED_CFG, 0x7f031e46 },
360 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
361 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
362 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
363 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
364 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
365 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
366 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
367 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
368 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
369 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
370 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
371 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
372 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
373 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
374 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
375 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
376 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
377 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
378 };
379
380 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
381
382 static const struct
383 {
384 uint8_t reg;
385 uint8_t val;
386 } rt2860_def_bbp[] =
387 {
388 { 65, 0x2c },
389 { 66, 0x38 },
390 { 69, 0x12 },
391 { 70, 0x0a },
392 { 73, 0x10 },
393 { 81, 0x37 },
394 { 82, 0x62 },
395 { 83, 0x6a },
396 { 84, 0x99 },
397 { 86, 0x00 },
398 { 91, 0x04 },
399 { 92, 0x00 },
400 { 103, 0x00 },
401 { 105, 0x05 },
402 { 106, 0x35 },
403 };
404
405 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
406
407 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
408
409 static int rt2860_tx_stbc = 1;
410 SYSCTL_INT(_hw_rt2860, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2860_tx_stbc, 0, "rt2860 Tx STBC");
411 TUNABLE_INT("hw.rt2860.tx_stbc", &rt2860_tx_stbc);
412
413 #ifdef RT2860_DEBUG
414 static int rt2860_debug = 0;
415 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
416 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
417 #endif
418
419 /*
420 * rt2860_probe
421 */
422 static int rt2860_probe(device_t dev)
423 {
424 const struct rt2860_pci_ident *ident;
425
426 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
427 {
428 if (pci_get_vendor(dev) == ident->vendor &&
429 pci_get_device(dev) == ident->device)
430 {
431 device_set_desc(dev, ident->name);
432 return 0;
433 }
434 }
435
436 return ENXIO;
437 }
438
439 /*
440 * rt2860_attach
441 */
442 static int rt2860_attach(device_t dev)
443 {
444 struct rt2860_softc *sc;
445 struct ifnet *ifp;
446 struct ieee80211com *ic;
447 int error, ntries, i;
448
449 sc = device_get_softc(dev);
450
451 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
452 {
453 printf("%s: chip is in D%d power mode, setting to D0\n",
454 device_get_nameunit(dev), pci_get_powerstate(dev));
455 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
456 }
457
458 /* enable bus-mastering */
459
460 pci_enable_busmaster(dev);
461
462 sc->dev = dev;
463
464 mtx_init(&sc->lock, device_get_nameunit(dev),
465 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
466
467 sc->mem_rid = PCIR_BAR(0);
468 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
469 &sc->mem_rid, RF_ACTIVE);
470 if (sc->mem == NULL)
471 {
472 printf("%s: could not allocate memory resource\n",
473 device_get_nameunit(dev));
474 error = ENXIO;
475 goto fail;
476 }
477
478 sc->bst = rman_get_bustag(sc->mem);
479 sc->bsh = rman_get_bushandle(sc->mem);
480
481 sc->irq_rid = 0;
482 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
483 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
484 if (sc->irq == NULL)
485 {
486 printf("%s: could not allocate interrupt resource\n",
487 device_get_nameunit(dev));
488 error = ENXIO;
489 goto fail;
490 }
491
492 sc->tx_stbc = rt2860_tx_stbc;
493
494 #ifdef RT2860_DEBUG
495 sc->debug = rt2860_debug;
496
497 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
498 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
499 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
500 #endif
501
502 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
503 "%s: attaching\n",
504 device_get_nameunit(sc->dev));
505
506 /* wait for NIC to initialize */
507
508 for (ntries = 0; ntries < 100; ntries++)
509 {
510 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
511 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
512 break;
513
514 DELAY(10);
515 }
516
517 if (ntries == 100)
518 {
519 printf("%s: timeout waiting for NIC to initialize\n",
520 device_get_nameunit(dev));
521 error = EIO;
522 goto fail;
523 }
524
525 rt2860_read_eeprom(sc);
526
527 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
528 device_get_nameunit(sc->dev), sc->mac_rev,
529 rt2860_rf_name(sc->rf_rev));
530
531 /* clear key tables */
532
533 rt2860_asic_clear_keytables(sc);
534
535 /* allocate Tx and Rx rings */
536
537 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
538 {
539 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
540 if (error != 0)
541 {
542 printf("%s: could not allocate Tx ring #%d\n",
543 device_get_nameunit(sc->dev), i);
544 goto fail;
545 }
546 }
547
548 sc->tx_ring_mgtqid = 5;
549
550 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
551 if (error != 0)
552 {
553 printf("%s: could not allocate Rx ring\n",
554 device_get_nameunit(sc->dev));
555 goto fail;
556 }
557
558 callout_init(&sc->periodic_ch, 0);
559 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
560
561 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
562 if (ifp == NULL)
563 {
564 printf("%s: could not if_alloc()\n",
565 device_get_nameunit(sc->dev));
566 error = ENOMEM;
567 goto fail;
568 }
569
570 ifp->if_softc = sc;
571
572 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
573
574 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
575
576 ifp->if_init = rt2860_init;
577 ifp->if_ioctl = rt2860_ioctl;
578 ifp->if_start = rt2860_start;
579
580 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
581 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
582 IFQ_SET_READY(&ifp->if_snd);
583
584 ic = ifp->if_l2com;
585
586 ic->ic_ifp = ifp;
587
588 ic->ic_phytype = IEEE80211_T_HT;
589 ic->ic_opmode = IEEE80211_M_STA;
590
591 ic->ic_caps = IEEE80211_C_MONITOR |
592 IEEE80211_C_IBSS |
593 IEEE80211_C_STA |
594 IEEE80211_C_AHDEMO |
595 IEEE80211_C_HOSTAP |
596 IEEE80211_C_WDS |
597 IEEE80211_C_MBSS |
598 IEEE80211_C_BGSCAN |
599 IEEE80211_C_TXPMGT |
600 IEEE80211_C_SHPREAMBLE |
601 IEEE80211_C_SHSLOT |
602 IEEE80211_C_TXFRAG |
603 IEEE80211_C_BURST |
604 IEEE80211_C_WME |
605 IEEE80211_C_WPA;
606
607 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
608 IEEE80211_CRYPTO_TKIP |
609 IEEE80211_CRYPTO_TKIPMIC |
610 IEEE80211_CRYPTO_AES_CCM;
611
612 ic->ic_htcaps = IEEE80211_HTC_HT |
613 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
614 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
615 IEEE80211_HTC_SMPS | /* MIMO power save */
616 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
617 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
618 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
619 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
620 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
621 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
622
623 /* spatial streams */
624
625 if (sc->nrxpath == 2)
626 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
627 else if (sc->nrxpath == 3)
628 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
629 else
630 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
631
632 if (sc->ntxpath > 1)
633 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
634
635 /* delayed BA */
636
637 if (sc->mac_rev != 0x28600100)
638 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
639
640 /* init channels */
641
642 ic->ic_nchans = 0;
643
644 rt2860_init_channels(sc);
645
646 rt2860_init_channels_ht40(sc);
647
648 ieee80211_ifattach(ic, sc->mac_addr);
649
650 ic->ic_vap_create = rt2860_vap_create;
651 ic->ic_vap_delete = rt2860_vap_delete;
652
653 ic->ic_node_alloc = rt2860_node_alloc;
654
655 sc->node_cleanup = ic->ic_node_cleanup;
656 ic->ic_node_cleanup = rt2860_node_cleanup;
657
658 ic->ic_node_getmimoinfo = rt2860_node_getmimoinfo;
659 ic->ic_setregdomain = rt2860_setregdomain;
660 ic->ic_getradiocaps = rt2860_getradiocaps;
661 ic->ic_scan_start = rt2860_scan_start;
662 ic->ic_scan_end = rt2860_scan_end;
663 ic->ic_set_channel = rt2860_set_channel;
664 ic->ic_newassoc = rt2860_newassoc;
665 ic->ic_updateslot = rt2860_updateslot;
666 ic->ic_update_promisc = rt2860_update_promisc;
667 ic->ic_update_mcast = rt2860_update_mcast;
668 ic->ic_wme.wme_update = rt2860_wme_update;
669 ic->ic_raw_xmit = rt2860_raw_xmit;
670
671 sc->recv_action = ic->ic_recv_action;
672 ic->ic_recv_action = rt2860_recv_action;
673
674 sc->send_action = ic->ic_send_action;
675 ic->ic_send_action = rt2860_send_action;
676
677 sc->addba_response = ic->ic_addba_response;
678 ic->ic_addba_response = rt2860_addba_response;
679
680 sc->addba_stop = ic->ic_addba_stop;
681 ic->ic_addba_stop = rt2860_addba_stop;
682
683 /* hardware requires padding between 802.11 frame header and body */
684
685 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
686
687 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
688
689 ieee80211_radiotap_attach(ic,
690 &sc->txtap.ihdr, sizeof(sc->txtap),
691 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
692 &sc->rxtap.ihdr, sizeof(sc->rxtap),
693 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
694
695 /* init task queue */
696
697 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
698 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
699 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
700 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
701
702 sc->rx_process_limit = 100;
703
704 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
705 taskqueue_thread_enqueue, &sc->taskqueue);
706
707 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
708 device_get_nameunit(sc->dev));
709
710 rt2860_sysctl_attach(sc);
711
712 if (bootverbose)
713 ieee80211_announce(ic);
714
715 /* set up interrupt */
716
717 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
718 NULL, rt2860_intr, sc, &sc->irqh);
719 if (error != 0)
720 {
721 printf("%s: could not set up interrupt\n",
722 device_get_nameunit(dev));
723 goto fail;
724 }
725
726 return 0;
727
728 fail:
729
730 /* free Tx and Rx rings */
731
732 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
733 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
734
735 rt2860_free_rx_ring(sc, &sc->rx_ring);
736
737 mtx_destroy(&sc->lock);
738
739 if (sc->mem != NULL)
740 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
741
742 if (sc->irq != NULL)
743 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
744
745 return error;
746 }
747
748 /*
749 * rt2860_detach
750 */
751 static int rt2860_detach(device_t dev)
752 {
753 struct rt2860_softc *sc;
754 struct ifnet *ifp;
755 struct ieee80211com *ic;
756 int i;
757
758 sc = device_get_softc(dev);
759 ifp = sc->ifp;
760 ic = ifp->if_l2com;
761
762 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
763 "%s: detaching\n",
764 device_get_nameunit(sc->dev));
765
766 RT2860_SOFTC_LOCK(sc);
767
768 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
769
770 callout_stop(&sc->periodic_ch);
771 callout_stop(&sc->tx_watchdog_ch);
772
773 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
774 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
775 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
776 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
777
778 /* free Tx and Rx rings */
779
780 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
781 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
782
783 rt2860_free_rx_ring(sc, &sc->rx_ring);
784
785 RT2860_SOFTC_UNLOCK(sc);
786
787 ieee80211_ifdetach(ic);
788
789 if_free(ifp);
790
791 taskqueue_free(sc->taskqueue);
792
793 mtx_destroy(&sc->lock);
794
795 bus_generic_detach(dev);
796
797 bus_teardown_intr(dev, sc->irq, sc->irqh);
798
799 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
800
801 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
802
803 return 0;
804 }
805
806 /*
807 * rt2860_shutdown
808 */
809 static int rt2860_shutdown(device_t dev)
810 {
811 struct rt2860_softc *sc;
812
813 sc = device_get_softc(dev);
814
815 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
816 "%s: shutting down\n",
817 device_get_nameunit(sc->dev));
818
819 rt2860_stop(sc);
820
821 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
822
823 return 0;
824 }
825
826 /*
827 * rt2860_suspend
828 */
829 static int rt2860_suspend(device_t dev)
830 {
831 struct rt2860_softc *sc;
832
833 sc = device_get_softc(dev);
834
835 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
836 "%s: suspending\n",
837 device_get_nameunit(sc->dev));
838
839 rt2860_stop(sc);
840
841 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
842
843 return 0;
844 }
845
846 /*
847 * rt2860_resume
848 */
849 static int rt2860_resume(device_t dev)
850 {
851 struct rt2860_softc *sc;
852 struct ifnet *ifp;
853
854 sc = device_get_softc(dev);
855 ifp = sc->ifp;
856
857 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
858 "%s: resuming\n",
859 device_get_nameunit(sc->dev));
860
861 if (ifp->if_flags & IFF_UP)
862 rt2860_init(sc);
863
864 return 0;
865 }
866
867 /*
868 * rt2860_init_channels
869 */
870 static void rt2860_init_channels(struct rt2860_softc *sc)
871 {
872 struct ifnet *ifp;
873 struct ieee80211com *ic;
874 struct ieee80211_channel *c;
875 int i, flags;
876
877 ifp = sc->ifp;
878 ic = ifp->if_l2com;
879
880 /* set supported channels for 2GHz band */
881
882 for (i = 1; i <= 14; i++)
883 {
884 c = &ic->ic_channels[ic->ic_nchans++];
885 flags = IEEE80211_CHAN_B;
886
887 c->ic_freq = ieee80211_ieee2mhz(i, flags);
888 c->ic_ieee = i;
889 c->ic_flags = flags;
890
891 c = &ic->ic_channels[ic->ic_nchans++];
892 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
893
894 c->ic_freq = ieee80211_ieee2mhz(i, flags);
895 c->ic_ieee = i;
896 c->ic_flags = flags;
897
898 c = &ic->ic_channels[ic->ic_nchans++];
899 flags = IEEE80211_CHAN_G;
900
901 c->ic_freq = ieee80211_ieee2mhz(i, flags);
902 c->ic_ieee = i;
903 c->ic_flags = flags;
904
905 c = &ic->ic_channels[ic->ic_nchans++];
906 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
907
908 c->ic_freq = ieee80211_ieee2mhz(i, flags);
909 c->ic_ieee = i;
910 c->ic_flags = flags;
911 }
912
913 /* set supported channels for 5GHz band */
914
915 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
916 sc->rf_rev == RT2860_EEPROM_RF_2750)
917 {
918 for (i = 36; i <= 64; i += 4)
919 {
920 c = &ic->ic_channels[ic->ic_nchans++];
921 flags = IEEE80211_CHAN_A;
922
923 c->ic_freq = ieee80211_ieee2mhz(i, flags);
924 c->ic_ieee = i;
925 c->ic_flags = flags;
926
927 c = &ic->ic_channels[ic->ic_nchans++];
928 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
929
930 c->ic_freq = ieee80211_ieee2mhz(i, flags);
931 c->ic_ieee = i;
932 c->ic_flags = flags;
933 }
934
935 for (i = 100; i <= 140; i += 4)
936 {
937 c = &ic->ic_channels[ic->ic_nchans++];
938 flags = IEEE80211_CHAN_A;
939
940 c->ic_freq = ieee80211_ieee2mhz(i, flags);
941 c->ic_ieee = i;
942 c->ic_flags = flags;
943
944 c = &ic->ic_channels[ic->ic_nchans++];
945 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
946
947 c->ic_freq = ieee80211_ieee2mhz(i, flags);
948 c->ic_ieee = i;
949 c->ic_flags = flags;
950 }
951
952 for (i = 149; i <= 165; i += 4)
953 {
954 c = &ic->ic_channels[ic->ic_nchans++];
955 flags = IEEE80211_CHAN_A;
956
957 c->ic_freq = ieee80211_ieee2mhz(i, flags);
958 c->ic_ieee = i;
959 c->ic_flags = flags;
960
961 c = &ic->ic_channels[ic->ic_nchans++];
962 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
963
964 c->ic_freq = ieee80211_ieee2mhz(i, flags);
965 c->ic_ieee = i;
966 c->ic_flags = flags;
967 }
968 }
969 }
970
971 /*
972 * rt2860_init_channels_ht40
973 */
974 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
975 {
976 struct ifnet *ifp;
977 struct ieee80211com *ic;
978 struct ieee80211_channel *c, *cent, *ext;
979 int i, flags;
980
981 ifp = sc->ifp;
982 ic = ifp->if_l2com;
983
984 /* set supported channels for 2GHz band */
985
986 for (i = 1; i <= 14; i++)
987 {
988 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
989
990 /* find the center channel */
991
992 cent = ieee80211_find_channel_byieee(ic, i,
993 flags & ~IEEE80211_CHAN_HT);
994 if (cent == NULL)
995 {
996 printf("%s: skip channel %d, could not find center channel\n",
997 device_get_nameunit(sc->dev), i);
998 continue;
999 }
1000
1001 /* find the extension channel */
1002
1003 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1004 flags & ~IEEE80211_CHAN_HT);
1005 if (ext == NULL)
1006 {
1007 printf("%s: skip channel %d, could not find extension channel\n",
1008 device_get_nameunit(sc->dev), i);
1009 continue;
1010 }
1011
1012 c = &ic->ic_channels[ic->ic_nchans++];
1013
1014 *c = *cent;
1015 c->ic_extieee = ext->ic_ieee;
1016 c->ic_flags &= ~IEEE80211_CHAN_HT;
1017 c->ic_flags |= IEEE80211_CHAN_HT40U;
1018
1019 c = &ic->ic_channels[ic->ic_nchans++];
1020
1021 *c = *ext;
1022 c->ic_extieee = cent->ic_ieee;
1023 c->ic_flags &= ~IEEE80211_CHAN_HT;
1024 c->ic_flags |= IEEE80211_CHAN_HT40D;
1025 }
1026
1027 /* set supported channels for 5GHz band */
1028
1029 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
1030 sc->rf_rev == RT2860_EEPROM_RF_2750)
1031 {
1032 for (i = 36; i <= 64; i += 4)
1033 {
1034 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1035
1036 /* find the center channel */
1037
1038 cent = ieee80211_find_channel_byieee(ic, i,
1039 flags & ~IEEE80211_CHAN_HT);
1040 if (cent == NULL)
1041 {
1042 printf("%s: skip channel %d, could not find center channel\n",
1043 device_get_nameunit(sc->dev), i);
1044 continue;
1045 }
1046
1047 /* find the extension channel */
1048
1049 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1050 flags & ~IEEE80211_CHAN_HT);
1051 if (ext == NULL)
1052 {
1053 printf("%s: skip channel %d, could not find extension channel\n",
1054 device_get_nameunit(sc->dev), i);
1055 continue;
1056 }
1057
1058 c = &ic->ic_channels[ic->ic_nchans++];
1059
1060 *c = *cent;
1061 c->ic_extieee = ext->ic_ieee;
1062 c->ic_flags &= ~IEEE80211_CHAN_HT;
1063 c->ic_flags |= IEEE80211_CHAN_HT40U;
1064
1065 c = &ic->ic_channels[ic->ic_nchans++];
1066
1067 *c = *ext;
1068 c->ic_extieee = cent->ic_ieee;
1069 c->ic_flags &= ~IEEE80211_CHAN_HT;
1070 c->ic_flags |= IEEE80211_CHAN_HT40D;
1071 }
1072
1073 for (i = 100; i <= 140; i += 4)
1074 {
1075 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1076
1077 /* find the center channel */
1078
1079 cent = ieee80211_find_channel_byieee(ic, i,
1080 flags & ~IEEE80211_CHAN_HT);
1081 if (cent == NULL)
1082 {
1083 printf("%s: skip channel %d, could not find center channel\n",
1084 device_get_nameunit(sc->dev), i);
1085 continue;
1086 }
1087
1088 /* find the extension channel */
1089
1090 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1091 flags & ~IEEE80211_CHAN_HT);
1092 if (ext == NULL)
1093 {
1094 printf("%s: skip channel %d, could not find extension channel\n",
1095 device_get_nameunit(sc->dev), i);
1096 continue;
1097 }
1098
1099 c = &ic->ic_channels[ic->ic_nchans++];
1100
1101 *c = *cent;
1102 c->ic_extieee = ext->ic_ieee;
1103 c->ic_flags &= ~IEEE80211_CHAN_HT;
1104 c->ic_flags |= IEEE80211_CHAN_HT40U;
1105
1106 c = &ic->ic_channels[ic->ic_nchans++];
1107
1108 *c = *ext;
1109 c->ic_extieee = cent->ic_ieee;
1110 c->ic_flags &= ~IEEE80211_CHAN_HT;
1111 c->ic_flags |= IEEE80211_CHAN_HT40D;
1112 }
1113
1114 for (i = 149; i <= 165; i += 4)
1115 {
1116 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1117
1118 /* find the center channel */
1119
1120 cent = ieee80211_find_channel_byieee(ic, i,
1121 flags & ~IEEE80211_CHAN_HT);
1122 if (cent == NULL)
1123 {
1124 printf("%s: skip channel %d, could not find center channel\n",
1125 device_get_nameunit(sc->dev), i);
1126 continue;
1127 }
1128
1129 /* find the extension channel */
1130
1131 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1132 flags & ~IEEE80211_CHAN_HT);
1133 if (ext == NULL)
1134 {
1135 printf("%s: skip channel %d, could not find extension channel\n",
1136 device_get_nameunit(sc->dev), i);
1137 continue;
1138 }
1139
1140 c = &ic->ic_channels[ic->ic_nchans++];
1141
1142 *c = *cent;
1143 c->ic_extieee = ext->ic_ieee;
1144 c->ic_flags &= ~IEEE80211_CHAN_HT;
1145 c->ic_flags |= IEEE80211_CHAN_HT40U;
1146
1147 c = &ic->ic_channels[ic->ic_nchans++];
1148
1149 *c = *ext;
1150 c->ic_extieee = cent->ic_ieee;
1151 c->ic_flags &= ~IEEE80211_CHAN_HT;
1152 c->ic_flags |= IEEE80211_CHAN_HT40D;
1153 }
1154 }
1155 }
1156
1157 /*
1158 * rt2860_init_locked
1159 */
1160 static void rt2860_init_locked(void *priv)
1161 {
1162 struct rt2860_softc *sc;
1163 struct ifnet *ifp;
1164 struct ieee80211com *ic;
1165 int error, i, ntries;
1166 uint32_t tmp, stacnt[6];
1167
1168 sc = priv;
1169 ifp = sc->ifp;
1170 ic = ifp->if_l2com;
1171
1172 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1173 "%s: initializing\n",
1174 device_get_nameunit(sc->dev));
1175
1176 RT2860_SOFTC_ASSERT_LOCKED(sc);
1177
1178 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1179 {
1180 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1181 "%s: loading 8051 microcode\n",
1182 device_get_nameunit(sc->dev));
1183
1184 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1185 if (error != 0)
1186 {
1187 printf("%s: could not load 8051 microcode\n",
1188 device_get_nameunit(sc->dev));
1189 goto fail;
1190 }
1191
1192 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1193 "%s: 8051 microcode was successfully loaded\n",
1194 device_get_nameunit(sc->dev));
1195
1196 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1197 }
1198
1199 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1200
1201 /* disable DMA engine */
1202
1203 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1204
1205 tmp &= 0xff0;
1206 tmp |= RT2860_REG_TX_WB_DDONE;
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1209
1210 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1211
1212 /* PBF hardware reset */
1213
1214 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1215 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1216
1217 /* wait while DMA engine is busy */
1218
1219 for (ntries = 0; ntries < 100; ntries++)
1220 {
1221 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1222 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1223 break;
1224
1225 DELAY(1000);
1226 }
1227
1228 if (ntries == 100)
1229 {
1230 printf("%s: timeout waiting for DMA engine\n",
1231 device_get_nameunit(sc->dev));
1232 goto fail;
1233 }
1234
1235 tmp &= 0xff0;
1236 tmp |= RT2860_REG_TX_WB_DDONE;
1237
1238 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1239
1240 /* reset Rx and Tx rings */
1241
1242 tmp = RT2860_REG_RST_IDX_RX |
1243 RT2860_REG_RST_IDX_TX_MGMT |
1244 RT2860_REG_RST_IDX_TX_HCCA |
1245 RT2860_REG_RST_IDX_TX_AC3 |
1246 RT2860_REG_RST_IDX_TX_AC2 |
1247 RT2860_REG_RST_IDX_TX_AC1 |
1248 RT2860_REG_RST_IDX_TX_AC0;
1249
1250 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1251
1252 /* PBF hardware reset */
1253
1254 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1255 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1256
1257 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1258
1259 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1260 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1261 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1262
1263 /* init Tx power per rate */
1264
1265 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1266 {
1267 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1268 continue;
1269
1270 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1271 sc->txpow_rate_20mhz[i]);
1272 }
1273
1274 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1275 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1276 rt2860_def_mac[i].val);
1277
1278 /* wait while MAC is busy */
1279
1280 for (ntries = 0; ntries < 100; ntries++)
1281 {
1282 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1283 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1284 break;
1285
1286 DELAY(1000);
1287 }
1288
1289 if (ntries == 100)
1290 {
1291 printf("%s: timeout waiting for MAC\n",
1292 device_get_nameunit(sc->dev));
1293 goto fail;
1294 }
1295
1296 /* clear Host to MCU mailbox */
1297
1298 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1299 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1300
1301 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1302 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1303
1304 DELAY(1000);
1305
1306 error = rt2860_init_bbp(sc);
1307 if (error != 0)
1308 goto fail;
1309
1310 /* set up maximum buffer sizes */
1311
1312 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1313
1314 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1315
1316 if (sc->mac_rev == 0x28720200)
1317 {
1318 /* set max. PSDU length from 16K to 32K bytes */
1319
1320 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1321
1322 tmp &= ~(3 << 12);
1323 tmp |= (2 << 12);
1324
1325 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1326 }
1327
1328 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1329 {
1330 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1331
1332 tmp &= 0xfff;
1333 tmp |= 0x2000;
1334
1335 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1336 }
1337
1338 /* set mac address */
1339
1340 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1341
1342 /* clear statistic registers */
1343
1344 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1345 stacnt, sizeof(stacnt));
1346
1347 /* set RTS threshold */
1348
1349 rt2860_asic_update_rtsthreshold(sc);
1350
1351 /* set Tx power */
1352
1353 rt2860_asic_update_txpower(sc);
1354
1355 /* set up protection mode */
1356
1357 sc->tx_ampdu_sessions = 0;
1358
1359 rt2860_asic_updateprot(sc);
1360
1361 /* clear beacon frame space (entries = 8, entry size = 512) */
1362
1363 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1364
1365 taskqueue_unblock(sc->taskqueue);
1366
1367 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1368
1369 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1370 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1371
1372 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1373 {
1374 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1375 sc->tx_ring[i].desc_phys_addr);
1376 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1377 RT2860_SOFTC_TX_RING_DESC_COUNT);
1378 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1379 }
1380
1381 /* init Rx ring */
1382
1383 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1384
1385 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1386 sc->rx_ring.desc_phys_addr);
1387 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1388 RT2860_SOFTC_RX_RING_DATA_COUNT);
1389 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1390 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1391
1392 /* wait while DMA engine is busy */
1393
1394 for (ntries = 0; ntries < 100; ntries++)
1395 {
1396 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1397 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1398 break;
1399
1400 DELAY(1000);
1401 }
1402
1403 if (ntries == 100)
1404 {
1405 printf("%s: timeout waiting for DMA engine\n",
1406 device_get_nameunit(sc->dev));
1407 goto fail;
1408 }
1409
1410 tmp &= 0xff0;
1411 tmp |= RT2860_REG_TX_WB_DDONE;
1412
1413 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1414
1415 /* disable interrupts mitigation */
1416
1417 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1418
1419 /* send LEDs operating mode to microcontroller */
1420
1421 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1422 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1423 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1424 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1425 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1426 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1427
1428 /* turn radio LED on */
1429
1430 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1431
1432 /* write vendor-specific BBP values (from EEPROM) */
1433
1434 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1435 {
1436 if (sc->bbp_eeprom[i].reg == 0x00 ||
1437 sc->bbp_eeprom[i].reg == 0xff)
1438 continue;
1439
1440 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1441 sc->bbp_eeprom[i].val);
1442 }
1443
1444 /*
1445 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1446 if (tmp & (1 << 2))
1447 {
1448 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1449 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1450 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1451
1452 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1453 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1454 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1455 }
1456 */
1457
1458 /* disable non-existing Rx chains */
1459
1460 tmp = rt2860_io_bbp_read(sc, 3);
1461
1462 tmp &= ~((1 << 4) | (1 << 3));
1463
1464 if (sc->nrxpath == 3)
1465 tmp |= (1 << 4);
1466 else if (sc->nrxpath == 2)
1467 tmp |= (1 << 3);
1468
1469 rt2860_io_bbp_write(sc, 3, tmp);
1470
1471 /* disable non-existing Tx chains */
1472
1473 tmp = rt2860_io_bbp_read(sc, 1);
1474
1475 tmp &= ~((1 << 4) | (1 << 3));
1476
1477 if (sc->ntxpath == 2)
1478 tmp |= (1 << 4);
1479
1480 rt2860_io_bbp_write(sc, 1, tmp);
1481
1482 /* set current channel */
1483
1484 rt2860_rf_set_chan(sc, ic->ic_curchan);
1485
1486 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1487 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1488 (48 << 16) | 96);
1489
1490 if ((sc->mac_rev & 0xffff) != 0x0101)
1491 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1492
1493 /* clear pending interrupts */
1494
1495 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1496
1497 /* enable interrupts */
1498
1499 tmp = RT2860_REG_INT_TX_COHERENT |
1500 RT2860_REG_INT_RX_COHERENT |
1501 RT2860_REG_INT_GP_TIMER |
1502 RT2860_REG_INT_AUTO_WAKEUP |
1503 RT2860_REG_INT_FIFO_STA_FULL |
1504 /*
1505 RT2860_REG_INT_PRE_TBTT |
1506 RT2860_REG_INT_TBTT |
1507 */
1508 RT2860_REG_INT_TXRX_COHERENT |
1509 RT2860_REG_INT_MCU_CMD |
1510 RT2860_REG_INT_TX_MGMT_DONE |
1511 RT2860_REG_INT_TX_HCCA_DONE |
1512 RT2860_REG_INT_TX_AC3_DONE |
1513 RT2860_REG_INT_TX_AC2_DONE |
1514 RT2860_REG_INT_TX_AC1_DONE |
1515 RT2860_REG_INT_TX_AC0_DONE |
1516 RT2860_REG_INT_RX_DONE;
1517
1518 sc->intr_enable_mask = tmp;
1519
1520 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1521
1522 if (rt2860_txrx_enable(sc) != 0)
1523 goto fail;
1524
1525 /* clear garbage interrupts */
1526
1527 tmp = rt2860_io_mac_read(sc, 0x1300);
1528
1529 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1530 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1531
1532 sc->periodic_round = 0;
1533
1534 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1535
1536 return;
1537
1538 fail:
1539
1540 rt2860_stop_locked(sc);
1541 }
1542
1543 /*
1544 * rt2860_init
1545 */
1546 static void rt2860_init(void *priv)
1547 {
1548 struct rt2860_softc *sc;
1549
1550 sc = priv;
1551
1552 RT2860_SOFTC_LOCK(sc);
1553
1554 rt2860_init_locked(sc);
1555
1556 RT2860_SOFTC_UNLOCK(sc);
1557 }
1558
1559 /*
1560 * rt2860_init_bbp
1561 */
1562 static int rt2860_init_bbp(struct rt2860_softc *sc)
1563 {
1564 int ntries, i;
1565 uint8_t tmp;
1566
1567 for (ntries = 0; ntries < 20; ntries++)
1568 {
1569 tmp = rt2860_io_bbp_read(sc, 0);
1570 if (tmp != 0x00 && tmp != 0xff)
1571 break;
1572 }
1573
1574 if (tmp == 0x00 || tmp == 0xff)
1575 {
1576 printf("%s: timeout waiting for BBP to wakeup\n",
1577 device_get_nameunit(sc->dev));
1578 return ETIMEDOUT;
1579 }
1580
1581 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1582 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1583 rt2860_def_bbp[i].val);
1584
1585 if ((sc->mac_rev & 0xffff) != 0x0101)
1586 rt2860_io_bbp_write(sc, 84, 0x19);
1587
1588 if (sc->mac_rev == 0x28600100)
1589 {
1590 rt2860_io_bbp_write(sc, 69, 0x16);
1591 rt2860_io_bbp_write(sc, 73, 0x12);
1592 }
1593
1594 return 0;
1595 }
1596
1597 /*
1598 * rt2860_stop_locked
1599 */
1600 static void rt2860_stop_locked(void *priv)
1601 {
1602 struct rt2860_softc *sc;
1603 struct ifnet *ifp;
1604 struct ieee80211com *ic;
1605 uint32_t tmp;
1606
1607 sc = priv;
1608 ifp = sc->ifp;
1609 ic = ifp->if_l2com;
1610
1611 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1612 "%s: stopping\n",
1613 device_get_nameunit(sc->dev));
1614
1615 RT2860_SOFTC_ASSERT_LOCKED(sc);
1616
1617 sc->tx_timer = 0;
1618
1619 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1620 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1621
1622 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1623
1624 callout_stop(&sc->periodic_ch);
1625 callout_stop(&sc->tx_watchdog_ch);
1626
1627 RT2860_SOFTC_UNLOCK(sc);
1628
1629 taskqueue_block(sc->taskqueue);
1630
1631 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1632 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1633 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1634 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1635
1636 RT2860_SOFTC_LOCK(sc);
1637
1638 /* clear key tables */
1639
1640 rt2860_asic_clear_keytables(sc);
1641
1642 /* disable interrupts */
1643
1644 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1645
1646 /* disable Tx/Rx */
1647
1648 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1649
1650 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1651
1652 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1653
1654 /* reset adapter */
1655
1656 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1657 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1658 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1659 }
1660
1661 /*
1662 * rt2860_stop
1663 */
1664 static void rt2860_stop(void *priv)
1665 {
1666 struct rt2860_softc *sc;
1667
1668 sc = priv;
1669
1670 RT2860_SOFTC_LOCK(sc);
1671
1672 rt2860_stop_locked(sc);
1673
1674 RT2860_SOFTC_UNLOCK(sc);
1675 }
1676
1677 /*
1678 * rt2860_start
1679 */
1680 static void rt2860_start(struct ifnet *ifp)
1681 {
1682 struct rt2860_softc *sc;
1683 struct ieee80211_node *ni;
1684 struct mbuf *m;
1685 int qid;
1686
1687 sc = ifp->if_softc;
1688
1689 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1690 return;
1691
1692 for (;;)
1693 {
1694 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1695 if (m == NULL)
1696 break;
1697
1698 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1699
1700 m->m_pkthdr.rcvif = NULL;
1701
1702 qid = M_WME_GETAC(m);
1703
1704 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[qid]);
1705
1706 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1707 {
1708 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1709
1710 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1711 "%s: if_start: Tx ring with qid=%d is full\n",
1712 device_get_nameunit(sc->dev), qid);
1713
1714 m_freem(m);
1715 ieee80211_free_node(ni);
1716
1717 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1718 ifp->if_oerrors++;
1719
1720 sc->tx_data_queue_full[qid]++;
1721
1722 break;
1723 }
1724
1725 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1726 {
1727 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1728
1729 ieee80211_free_node(ni);
1730
1731 ifp->if_oerrors++;
1732
1733 break;
1734 }
1735
1736 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[qid]);
1737
1738 rt2860_drain_fifo_stats(sc);
1739
1740 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1741
1742 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1743 }
1744 }
1745
1746 /*
1747 * rt2860_ioctl
1748 */
1749 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1750 {
1751 struct rt2860_softc *sc;
1752 struct ieee80211com *ic;
1753 struct ifreq *ifr;
1754 int error, startall;
1755
1756 sc = ifp->if_softc;
1757 ic = ifp->if_l2com;
1758 ifr = (struct ifreq *) data;
1759
1760 error = 0;
1761
1762 switch (cmd)
1763 {
1764 case SIOCSIFFLAGS:
1765 startall = 0;
1766
1767 RT2860_SOFTC_LOCK(sc);
1768
1769 if (ifp->if_flags & IFF_UP)
1770 {
1771 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1772 {
1773 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1774 rt2860_asic_update_promisc(sc);
1775 }
1776 else
1777 {
1778 rt2860_init_locked(sc);
1779 startall = 1;
1780 }
1781 }
1782 else
1783 {
1784 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1785 rt2860_stop_locked(sc);
1786 }
1787
1788 sc->if_flags = ifp->if_flags;
1789
1790 RT2860_SOFTC_UNLOCK(sc);
1791
1792 if (startall)
1793 ieee80211_start_all(ic);
1794 break;
1795
1796 case SIOCGIFMEDIA:
1797 case SIOCSIFMEDIA:
1798 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1799 break;
1800
1801 case SIOCGIFADDR:
1802 error = ether_ioctl(ifp, cmd, data);
1803 break;
1804
1805 default:
1806 error = EINVAL;
1807 break;
1808 }
1809
1810 return error;
1811 }
1812
1813 /*
1814 * rt2860_vap_create
1815 */
1816 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1817 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1818 const uint8_t bssid[IEEE80211_ADDR_LEN],
1819 const uint8_t mac[IEEE80211_ADDR_LEN])
1820 {
1821 struct rt2860_softc *sc;
1822 struct ifnet *ifp;
1823 struct rt2860_softc_vap *rvap;
1824 struct ieee80211vap *vap;
1825
1826 ifp = ic->ic_ifp;
1827 sc = ifp->if_softc;
1828
1829 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1830 "%s: VAP create: opmode=%s\n",
1831 device_get_nameunit(sc->dev),
1832 ieee80211_opmode_name[opmode]);
1833
1834 switch (opmode)
1835 {
1836 case IEEE80211_M_IBSS:
1837 case IEEE80211_M_STA:
1838 case IEEE80211_M_AHDEMO:
1839 case IEEE80211_M_HOSTAP:
1840 case IEEE80211_M_MBSS:
1841 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1842 {
1843 if_printf(ifp, "only 1 VAP supported\n");
1844 return NULL;
1845 }
1846
1847 if (opmode == IEEE80211_M_STA)
1848 flags |= IEEE80211_CLONE_NOBEACONS;
1849 break;
1850
1851 case IEEE80211_M_WDS:
1852 if (sc->napvaps == 0)
1853 {
1854 if_printf(ifp, "WDS only supported in AP mode\n");
1855 return NULL;
1856 }
1857 break;
1858
1859 case IEEE80211_M_MONITOR:
1860 break;
1861
1862 default:
1863 if_printf(ifp, "unknown opmode %d\n", opmode);
1864 return NULL;
1865 }
1866
1867 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1868 M_80211_VAP, M_NOWAIT | M_ZERO);
1869 if (rvap == NULL)
1870 return NULL;
1871
1872 vap = &rvap->vap;
1873
1874 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1875
1876 rvap->newstate = vap->iv_newstate;
1877 vap->iv_newstate = rt2860_vap_newstate;
1878
1879 vap->iv_reset = rt2860_vap_reset;
1880 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1881 vap->iv_key_update_end = rt2860_vap_key_update_end;
1882 vap->iv_key_set = rt2860_vap_key_set;
1883 vap->iv_key_delete = rt2860_vap_key_delete;
1884 vap->iv_update_beacon = rt2860_vap_update_beacon;
1885
1886 rt2860_amrr_init(&rvap->amrr, vap,
1887 sc->ntxpath,
1888 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1889 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1890 500);
1891
1892 vap->iv_max_aid = RT2860_SOFTC_STAID_COUNT;
1893
1894 /* override default Rx A-MPDU factor */
1895
1896 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1897 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1898 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1899
1900 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1901
1902 switch (vap->iv_opmode)
1903 {
1904 case IEEE80211_M_HOSTAP:
1905 case IEEE80211_M_MBSS:
1906 case IEEE80211_M_AHDEMO:
1907 sc->napvaps++;
1908 break;
1909
1910 case IEEE80211_M_IBSS:
1911 sc->nadhocvaps++;
1912 break;
1913
1914 case IEEE80211_M_STA:
1915 sc->nstavaps++;
1916 break;
1917
1918 case IEEE80211_M_WDS:
1919 sc->nwdsvaps++;
1920 break;
1921
1922 default:
1923 break;
1924 }
1925
1926 sc->nvaps++;
1927
1928 if (sc->napvaps > 0)
1929 ic->ic_opmode = IEEE80211_M_HOSTAP;
1930 else if (sc->nadhocvaps > 0)
1931 ic->ic_opmode = IEEE80211_M_IBSS;
1932 else if (sc->nstavaps > 0)
1933 ic->ic_opmode = IEEE80211_M_STA;
1934 else
1935 ic->ic_opmode = opmode;
1936
1937 return vap;
1938 }
1939
1940 /*
1941 * rt2860_vap_delete
1942 */
1943 static void rt2860_vap_delete(struct ieee80211vap *vap)
1944 {
1945 struct rt2860_softc *sc;
1946 struct ieee80211com *ic;
1947 struct ifnet *ifp;
1948 struct rt2860_softc_vap *rvap;
1949 enum ieee80211_opmode opmode;
1950
1951 ic = vap->iv_ic;
1952 ifp = ic->ic_ifp;
1953 sc = ifp->if_softc;
1954 rvap = (struct rt2860_softc_vap *) vap;
1955 opmode = vap->iv_opmode;
1956
1957 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1958 "%s: VAP delete: opmode=%s\n",
1959 device_get_nameunit(sc->dev), ieee80211_opmode_name[opmode]);
1960
1961 rt2860_amrr_cleanup(&rvap->amrr);
1962
1963 ieee80211_vap_detach(vap);
1964
1965 if (rvap->beacon_mbuf != NULL)
1966 {
1967 m_free(rvap->beacon_mbuf);
1968 rvap->beacon_mbuf = NULL;
1969 }
1970
1971 switch (opmode)
1972 {
1973 case IEEE80211_M_HOSTAP:
1974 case IEEE80211_M_MBSS:
1975 case IEEE80211_M_AHDEMO:
1976 sc->napvaps--;
1977 break;
1978
1979 case IEEE80211_M_IBSS:
1980 sc->nadhocvaps--;
1981 break;
1982
1983 case IEEE80211_M_STA:
1984 sc->nstavaps--;
1985 break;
1986
1987 case IEEE80211_M_WDS:
1988 sc->nwdsvaps--;
1989 break;
1990
1991 default:
1992 break;
1993 }
1994
1995 sc->nvaps--;
1996
1997 if (sc->napvaps > 0)
1998 ic->ic_opmode = IEEE80211_M_HOSTAP;
1999 else if (sc->nadhocvaps > 0)
2000 ic->ic_opmode = IEEE80211_M_IBSS;
2001 else if (sc->nstavaps > 0)
2002 ic->ic_opmode = IEEE80211_M_STA;
2003
2004 free(rvap, M_80211_VAP);
2005 }
2006
2007 /*
2008 * rt2860_reset_vap
2009 */
2010 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
2011 {
2012 struct rt2860_softc *sc;
2013 struct ieee80211com *ic;
2014 struct ifnet *ifp;
2015 struct rt2860_softc_vap *rvap;
2016 int error;
2017
2018 ic = vap->iv_ic;
2019 ifp = ic->ic_ifp;
2020 sc = ifp->if_softc;
2021 rvap = (struct rt2860_softc_vap *) vap;
2022
2023 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2024 "%s: VAP reset: cmd=%lu\n",
2025 device_get_nameunit(sc->dev), cmd);
2026
2027 error = 0;
2028
2029 switch (cmd)
2030 {
2031 case IEEE80211_IOC_RTSTHRESHOLD:
2032 case IEEE80211_IOC_AMSDU:
2033 rt2860_asic_update_rtsthreshold(sc);
2034 break;
2035
2036 case IEEE80211_IOC_PROTMODE:
2037 case IEEE80211_IOC_HTPROTMODE:
2038 rt2860_asic_updateprot(sc);
2039 break;
2040
2041 case IEEE80211_IOC_TXPOWER:
2042 rt2860_asic_update_txpower(sc);
2043 break;
2044
2045 case IEEE80211_IOC_BURST:
2046 rt2860_asic_updateslot(sc);
2047 break;
2048
2049 case IEEE80211_IOC_SHORTGI:
2050 case IEEE80211_IOC_AMPDU_DENSITY:
2051 case IEEE80211_IOC_SMPS:
2052 break;
2053
2054 default:
2055 error = ENETRESET;
2056 break;
2057 }
2058
2059 return error;
2060 }
2061
2062 /*
2063 * rt2860_vap_newstate
2064 */
2065 static int rt2860_vap_newstate(struct ieee80211vap *vap,
2066 enum ieee80211_state nstate, int arg)
2067 {
2068 struct rt2860_softc *sc;
2069 struct ieee80211com *ic;
2070 struct ifnet *ifp;
2071 struct rt2860_softc_vap *rvap;
2072 struct ieee80211_node *ni;
2073 enum ieee80211_state ostate;
2074 int error;
2075
2076 ic = vap->iv_ic;
2077 ifp = ic->ic_ifp;
2078 sc = ifp->if_softc;
2079 rvap = (struct rt2860_softc_vap *) vap;
2080
2081 ostate = vap->iv_state;
2082
2083 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2084 "%s: VAP newstate: %s -> %s\n",
2085 device_get_nameunit(sc->dev),
2086 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
2087
2088 error = rvap->newstate(vap, nstate, arg);
2089 if (error != 0)
2090 return error;
2091
2092 IEEE80211_UNLOCK(ic);
2093
2094 RT2860_SOFTC_LOCK(sc);
2095
2096 /* turn link LED off */
2097
2098 if (nstate != IEEE80211_S_RUN)
2099 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
2100
2101 switch (nstate)
2102 {
2103 case IEEE80211_S_INIT:
2104 rt2860_asic_disable_tsf_sync(sc);
2105 break;
2106
2107 case IEEE80211_S_RUN:
2108 ni = vap->iv_bss;
2109
2110 rt2860_rf_set_chan(sc, ni->ni_chan);
2111
2112 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2113 {
2114 rt2860_asic_enable_mrr(sc);
2115 rt2860_asic_set_txpreamble(sc);
2116 rt2860_asic_set_basicrates(sc);
2117 rt2860_asic_update_txpower(sc);
2118 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2119 }
2120
2121 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2122 vap->iv_opmode == IEEE80211_M_IBSS ||
2123 vap->iv_opmode == IEEE80211_M_MBSS)
2124 {
2125 error = rt2860_beacon_alloc(sc, vap);
2126 if (error != 0)
2127 break;
2128
2129 rt2860_asic_update_beacon(sc, vap);
2130 }
2131
2132 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2133 rt2860_asic_enable_tsf_sync(sc);
2134
2135 /* turn link LED on */
2136
2137 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2138 {
2139 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2140 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2141 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2142 }
2143 break;
2144
2145 case IEEE80211_S_SLEEP:
2146 break;
2147
2148 default:
2149 break;
2150 }
2151
2152 RT2860_SOFTC_UNLOCK(sc);
2153
2154 IEEE80211_LOCK(ic);
2155
2156 return error;
2157 }
2158
2159 /*
2160 * rt2860_vap_key_update_begin
2161 */
2162 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2163 {
2164 struct rt2860_softc *sc;
2165 struct ieee80211com *ic;
2166 struct ifnet *ifp;
2167
2168 ic = vap->iv_ic;
2169 ifp = ic->ic_ifp;
2170 sc = ifp->if_softc;
2171
2172 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2173 "%s: VAP key update begin\n",
2174 device_get_nameunit(sc->dev));
2175
2176 taskqueue_block(sc->taskqueue);
2177
2178 IF_LOCK(&ifp->if_snd);
2179 }
2180
2181 /*
2182 * rt2860_vap_key_update_end
2183 */
2184 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2185 {
2186 struct rt2860_softc *sc;
2187 struct ieee80211com *ic;
2188 struct ifnet *ifp;
2189
2190 ic = vap->iv_ic;
2191 ifp = ic->ic_ifp;
2192 sc = ifp->if_softc;
2193
2194 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2195 "%s: VAP key update end\n",
2196 device_get_nameunit(sc->dev));
2197
2198 IF_UNLOCK(&ifp->if_snd);
2199
2200 taskqueue_unblock(sc->taskqueue);
2201 }
2202
2203 /*
2204 * rt2860_vap_key_set
2205 */
2206 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2207 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2208 {
2209 struct rt2860_softc *sc;
2210 struct ieee80211com *ic;
2211 struct ifnet *ifp;
2212 struct ieee80211_node *ni;
2213 struct rt2860_softc_node *rni;
2214 uint16_t key_base, keymode_base;
2215 uint8_t mode, vapid, wcid, iv[8];
2216 uint32_t tmp;
2217
2218 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2219 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2220 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2221 return 0;
2222
2223 ic = vap->iv_ic;
2224 ifp = ic->ic_ifp;
2225 sc = ifp->if_softc;
2226
2227 switch (k->wk_cipher->ic_cipher)
2228 {
2229 case IEEE80211_CIPHER_WEP:
2230 if(k->wk_keylen < 8)
2231 mode = RT2860_REG_CIPHER_MODE_WEP40;
2232 else
2233 mode = RT2860_REG_CIPHER_MODE_WEP104;
2234 break;
2235
2236 case IEEE80211_CIPHER_TKIP:
2237 mode = RT2860_REG_CIPHER_MODE_TKIP;
2238 break;
2239
2240 case IEEE80211_CIPHER_AES_CCM:
2241 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2242 break;
2243
2244 default:
2245 return 0;
2246 }
2247
2248 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2249 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2250 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2251 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2252
2253 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2254 {
2255 /* install pairwise key */
2256
2257 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2258 rni = (struct rt2860_softc_node *) ni;
2259
2260 vapid = 0;
2261 wcid = rni->staid;
2262 key_base = RT2860_REG_PKEY(wcid);
2263
2264 ieee80211_free_node(ni);
2265
2266 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2267 {
2268 memset(iv, 0, 8);
2269
2270 iv[3] = (k->wk_keyix << 6);
2271 }
2272 else
2273 {
2274 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2275 {
2276 iv[0] = (k->wk_keytsc >> 8);
2277 iv[1] = ((iv[0] | 0x20) & 0x7f);
2278 iv[2] = k->wk_keytsc;
2279 }
2280 else
2281 {
2282 /* AES CCMP */
2283
2284 iv[0] = k->wk_keytsc;
2285 iv[1] = k->wk_keytsc >> 8;
2286 iv[2] = 0;
2287 }
2288
2289 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2290 iv[4] = (k->wk_keytsc >> 16);
2291 iv[5] = (k->wk_keytsc >> 24);
2292 iv[6] = (k->wk_keytsc >> 32);
2293 iv[7] = (k->wk_keytsc >> 40);
2294
2295 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2296 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2297 device_get_nameunit(sc->dev),
2298 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2299 }
2300
2301 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2302
2303 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2304 {
2305 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2306
2307 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2308 {
2309 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2310 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2311 }
2312 else
2313 {
2314 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2315 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2316 }
2317 }
2318 else
2319 {
2320 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2321 }
2322
2323 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2324 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2325
2326 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2327 }
2328
2329 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2330 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2331 {
2332 /* install group key */
2333
2334 vapid = 0;
2335 wcid = RT2860_WCID_MCAST;
2336 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2337 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2338
2339 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2340 {
2341 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2342
2343 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2344 {
2345 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2346 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2347 }
2348 else
2349 {
2350 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2351 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2352 }
2353 }
2354 else
2355 {
2356 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2357 }
2358
2359 tmp = rt2860_io_mac_read(sc, keymode_base);
2360
2361 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2362 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2363
2364 rt2860_io_mac_write(sc, keymode_base, tmp);
2365
2366 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2367 {
2368 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2369 {
2370 memset(iv, 0, 8);
2371
2372 iv[3] = (k->wk_keyix << 6);
2373 }
2374 else
2375 {
2376 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2377 {
2378 iv[0] = (k->wk_keytsc >> 8);
2379 iv[1] = ((iv[0] | 0x20) & 0x7f);
2380 iv[2] = k->wk_keytsc;
2381 }
2382 else
2383 {
2384 /* AES CCMP */
2385
2386 iv[0] = k->wk_keytsc;
2387 iv[1] = k->wk_keytsc >> 8;
2388 iv[2] = 0;
2389 }
2390
2391 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2392 iv[4] = (k->wk_keytsc >> 16);
2393 iv[5] = (k->wk_keytsc >> 24);
2394 iv[6] = (k->wk_keytsc >> 32);
2395 iv[7] = (k->wk_keytsc >> 40);
2396
2397 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2398 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2399 device_get_nameunit(sc->dev),
2400 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2401 }
2402
2403 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2404
2405 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2406 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2407
2408 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2409 }
2410 }
2411
2412 return 1;
2413 }
2414
2415 /*
2416 * rt2860_vap_key_delete
2417 */
2418 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2419 const struct ieee80211_key *k)
2420 {
2421 struct rt2860_softc *sc;
2422 struct ieee80211com *ic;
2423 struct ifnet *ifp;
2424 uint8_t vapid, wcid;
2425 uint32_t tmp;
2426
2427 ic = vap->iv_ic;
2428 ifp = ic->ic_ifp;
2429 sc = ifp->if_softc;
2430
2431 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2432 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
2433 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2434 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2435
2436 if (k->wk_flags & IEEE80211_KEY_GROUP)
2437 {
2438 /* remove group key */
2439
2440 vapid = 0;
2441 wcid = RT2860_WCID_MCAST;
2442
2443 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2444
2445 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2446 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2447
2448 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2449
2450 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2451 {
2452 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2453 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2454
2455 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2456 }
2457 }
2458
2459 return 1;
2460 }
2461
2462 /*
2463 * rt2860_vap_update_beacon
2464 */
2465 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2466 {
2467 struct rt2860_softc *sc;
2468 struct ieee80211com *ic;
2469 struct ifnet *ifp;
2470 struct rt2860_softc_vap *rvap;
2471 struct mbuf *m;
2472 struct ieee80211_beacon_offsets *bo;
2473
2474 ic = vap->iv_ic;
2475 ifp = ic->ic_ifp;
2476 sc = ifp->if_softc;
2477 rvap = (struct rt2860_softc_vap *) vap;
2478 m = rvap->beacon_mbuf;
2479 bo = &rvap->beacon_offsets;
2480
2481 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2482 "%s: VAP update beacon: what=%d\n",
2483 device_get_nameunit(sc->dev), what);
2484
2485 setbit(bo->bo_flags, what);
2486
2487 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2488
2489 rt2860_asic_update_beacon(sc, vap);
2490 }
2491
2492 /*
2493 * rt2860_media_change
2494 */
2495 static int rt2860_media_change(struct ifnet *ifp)
2496 {
2497 int error;
2498
2499 error = ieee80211_media_change(ifp);
2500
2501 return (error == ENETRESET ? 0 : error);
2502 }
2503
2504 /*
2505 * rt2860_node_alloc
2506 */
2507 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2508 const uint8_t mac[IEEE80211_ADDR_LEN])
2509 {
2510 return malloc(sizeof(struct rt2860_softc_node),
2511 M_80211_NODE, M_NOWAIT | M_ZERO);
2512 }
2513
2514 /*
2515 * rt2860_node_cleanup
2516 */
2517 static void rt2860_node_cleanup(struct ieee80211_node *ni)
2518 {
2519 struct rt2860_softc *sc;
2520 struct ieee80211com *ic;
2521 struct ifnet *ifp;
2522 struct rt2860_softc_node *rni;
2523 uint8_t vapid, wcid;
2524 uint32_t tmp;
2525
2526 ic = ni->ni_ic;
2527 ifp = ic->ic_ifp;
2528 sc = ifp->if_softc;
2529 rni = (struct rt2860_softc_node *) ni;
2530
2531 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2532 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2533 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2534 ni->ni_associd, rni->staid);
2535
2536 if (rni->staid != 0)
2537 {
2538 vapid = 0;
2539 wcid = rni->staid;
2540
2541 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2542 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2543
2544 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2545
2546 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0xffffffff);
2547 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid), 0x0000ffff);
2548
2549 rt2860_staid_delete(sc, rni->staid);
2550
2551 rni->staid = 0;
2552 }
2553
2554 sc->node_cleanup(ni);
2555 }
2556
2557 /*
2558 * rt2860_node_getmimoinfo
2559 */
2560 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
2561 struct ieee80211_mimo_info *mi)
2562 {
2563 const struct rt2860_softc_node *rni;
2564 int i;
2565
2566 rni = (const struct rt2860_softc_node *) ni;
2567
2568 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
2569 {
2570 mi->rssi[i] = rni->last_rssi_dbm[i];
2571 mi->noise[i] = RT2860_NOISE_FLOOR;
2572 }
2573 }
2574
2575 /*
2576 * rt2860_setregdomain
2577 */
2578 static int rt2860_setregdomain(struct ieee80211com *ic,
2579 struct ieee80211_regdomain *reg,
2580 int nchans, struct ieee80211_channel chans[])
2581 {
2582 struct rt2860_softc *sc;
2583 struct ifnet *ifp;
2584
2585 ifp = ic->ic_ifp;
2586 sc = ifp->if_softc;
2587
2588 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2589 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2590 device_get_nameunit(sc->dev),
2591 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2592
2593 return 0;
2594 }
2595
2596 /*
2597 * rt2860_getradiocaps
2598 */
2599 static void rt2860_getradiocaps(struct ieee80211com *ic,
2600 int maxchans, int *nchans, struct ieee80211_channel chans[])
2601 {
2602 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2603
2604 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2605 }
2606
2607 /*
2608 * rt2860_scan_start
2609 */
2610 static void rt2860_scan_start(struct ieee80211com *ic)
2611 {
2612 struct rt2860_softc *sc;
2613 struct ifnet *ifp;
2614
2615 ifp = ic->ic_ifp;
2616 sc = ifp->if_softc;
2617
2618 rt2860_asic_disable_tsf_sync(sc);
2619 }
2620
2621 /*
2622 * rt2860_scan_end
2623 */
2624 static void rt2860_scan_end(struct ieee80211com *ic)
2625 {
2626 struct rt2860_softc *sc;
2627 struct ifnet *ifp;
2628
2629 ifp = ic->ic_ifp;
2630 sc = ifp->if_softc;
2631
2632 rt2860_asic_enable_tsf_sync(sc);
2633 }
2634
2635 /*
2636 * rt2860_set_channel
2637 */
2638 static void rt2860_set_channel(struct ieee80211com *ic)
2639 {
2640 struct rt2860_softc *sc;
2641 struct ifnet *ifp;
2642
2643 ifp = ic->ic_ifp;
2644 sc = ifp->if_softc;
2645
2646 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2647 "%s: set channel: channel=%u, HT%s%s\n",
2648 device_get_nameunit(sc->dev),
2649 ieee80211_chan2ieee(ic, ic->ic_curchan),
2650 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2651 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2652 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2653 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2654
2655 RT2860_SOFTC_LOCK(sc);
2656
2657 rt2860_rf_set_chan(sc, ic->ic_curchan);
2658
2659 RT2860_SOFTC_UNLOCK(sc);
2660 }
2661
2662 /*
2663 * rt2860_newassoc
2664 */
2665 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2666 {
2667 struct rt2860_softc *sc;
2668 struct ieee80211com *ic;
2669 struct ifnet *ifp;
2670 struct ieee80211vap *vap;
2671 struct rt2860_softc_vap *rvap;
2672 struct rt2860_softc_node *rni;
2673 uint16_t aid;
2674 uint8_t wcid;
2675
2676 vap = ni->ni_vap;
2677 ic = vap->iv_ic;
2678 ifp = ic->ic_ifp;
2679 sc = ifp->if_softc;
2680 rvap = (struct rt2860_softc_vap *) vap;
2681 rni = (struct rt2860_softc_node *) ni;
2682
2683 if (isnew)
2684 {
2685 aid = IEEE80211_AID(ni->ni_associd);
2686 rni->staid = rt2860_staid_alloc(sc, aid);
2687 wcid = rni->staid;
2688
2689 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2690 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2691
2692 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2693
2694 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2695 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2696 device_get_nameunit(sc->dev),
2697 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2698 ni->ni_associd, ni->ni_txrate,
2699 (ni->ni_flags & IEEE80211_NODE_HT) ?
2700 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2701 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2702
2703 rt2860_asic_updateprot(sc);
2704 rt2860_asic_updateslot(sc);
2705 rt2860_asic_set_txpreamble(sc);
2706 }
2707
2708 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2709 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2710 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2711 ni->ni_associd, rni->staid,
2712 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2713 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2714 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2715 }
2716
2717 /*
2718 * rt2860_updateslot
2719 */
2720 static void rt2860_updateslot(struct ifnet *ifp)
2721 {
2722 struct rt2860_softc *sc;
2723
2724 sc = ifp->if_softc;
2725
2726 rt2860_asic_updateslot(sc);
2727 }
2728
2729 /*
2730 * rt2860_update_promisc
2731 */
2732 static void rt2860_update_promisc(struct ifnet *ifp)
2733 {
2734 struct rt2860_softc *sc;
2735
2736 sc = ifp->if_softc;
2737
2738 rt2860_asic_update_promisc(sc);
2739 }
2740
2741 /*
2742 * rt2860_update_mcast
2743 */
2744 static void rt2860_update_mcast(struct ifnet *ifp)
2745 {
2746 struct rt2860_softc *sc;
2747
2748 sc = ifp->if_softc;
2749 }
2750
2751 /*
2752 * rt2860_wme_update
2753 */
2754 static int rt2860_wme_update(struct ieee80211com *ic)
2755 {
2756 struct rt2860_softc *sc;
2757 struct ifnet *ifp;
2758
2759 ifp = ic->ic_ifp;
2760 sc = ifp->if_softc;
2761
2762 rt2860_asic_wme_update(sc);
2763
2764 return 0;
2765 }
2766
2767 /*
2768 * rt2860_raw_xmit
2769 */
2770 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2771 const struct ieee80211_bpf_params *params)
2772 {
2773 struct rt2860_softc *sc;
2774 struct ieee80211com *ic;
2775 struct ifnet *ifp;
2776
2777 ic = ni->ni_ic;
2778 ifp = ic->ic_ifp;
2779 sc = ifp->if_softc;
2780
2781 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2782 {
2783 m_freem(m);
2784 ieee80211_free_node(ni);
2785
2786 return ENETDOWN;
2787 }
2788
2789 RT2860_SOFTC_TX_RING_LOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2790
2791 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2792 {
2793 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2794
2795 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2796 "%s: raw xmit: Tx ring with qid=%d is full\n",
2797 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2798
2799 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2800
2801 m_freem(m);
2802 ieee80211_free_node(ni);
2803
2804 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2805
2806 return ENOBUFS;
2807 }
2808
2809 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2810 {
2811 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2812
2813 ifp->if_oerrors++;
2814
2815 ieee80211_free_node(ni);
2816
2817 return EIO;
2818 }
2819
2820 RT2860_SOFTC_TX_RING_UNLOCK(&sc->tx_ring[sc->tx_ring_mgtqid]);
2821
2822 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2823
2824 return 0;
2825 }
2826
2827 /*
2828 * rt2860_recv_action
2829 */
2830 static int rt2860_recv_action(struct ieee80211_node *ni,
2831 const struct ieee80211_frame *wh,
2832 const uint8_t *frm, const uint8_t *efrm)
2833 {
2834 struct rt2860_softc *sc;
2835 struct ieee80211com *ic;
2836 struct ifnet *ifp;
2837 struct rt2860_softc_node *rni;
2838 const struct ieee80211_action *ia;
2839 uint16_t baparamset;
2840 uint8_t wcid;
2841 int ret, tid;
2842 uint32_t tmp;
2843
2844 ic = ni->ni_ic;
2845 ifp = ic->ic_ifp;
2846 sc = ifp->if_softc;
2847 rni = (struct rt2860_softc_node *) ni;
2848
2849 ia = (const struct ieee80211_action *) frm;
2850
2851 ret = sc->recv_action(ni, wh, frm, efrm);
2852
2853 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2854 return ret;
2855
2856 switch (ia->ia_action)
2857 {
2858 /* IEEE80211_ACTION_BA_DELBA */
2859 case IEEE80211_ACTION_BA_DELBA:
2860 baparamset = LE_READ_2(frm + 2);
2861 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2862 wcid = rni->staid;
2863
2864 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2865 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2866 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2867
2868 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2869
2870 tmp &= ~(0x10000 << tid);
2871
2872 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2873 break;
2874 }
2875
2876 return ret;
2877 }
2878
2879 /*
2880 * rt2860_send_action
2881 */
2882 static int rt2860_send_action(struct ieee80211_node *ni,
2883 int cat, int act, void *sa)
2884 {
2885 struct rt2860_softc *sc;
2886 struct ieee80211com *ic;
2887 struct ifnet *ifp;
2888 struct rt2860_softc_node *rni;
2889 uint16_t *args, status, baparamset;
2890 uint8_t wcid;
2891 int ret, tid, bufsize;
2892 uint32_t tmp;
2893
2894 ic = ni->ni_ic;
2895 ifp = ic->ic_ifp;
2896 sc = ifp->if_softc;
2897 rni = (struct rt2860_softc_node *) ni;
2898
2899 ret = sc->send_action(ni, cat, act, sa);
2900
2901 if (cat != IEEE80211_ACTION_CAT_BA)
2902 return ret;
2903
2904 wcid = rni->staid;
2905 args = sa;
2906
2907 switch (act)
2908 {
2909 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2910 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2911 status = args[1];
2912 baparamset = args[2];
2913 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2914 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2915
2916 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2917 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2918 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2919
2920 if (status == IEEE80211_STATUS_SUCCESS)
2921 {
2922 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2923
2924 tmp |= (0x10000 << tid);
2925
2926 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2927 }
2928 break;
2929
2930 /* IEEE80211_ACTION_BA_DELBA */
2931 case IEEE80211_ACTION_BA_DELBA:
2932 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2933
2934 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2935
2936 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2937 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2938 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2939
2940 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2941 {
2942 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2943
2944 tmp &= ~(0x10000 << tid);
2945
2946 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2947 }
2948 break;
2949 }
2950
2951 return ret;
2952 }
2953
2954 /*
2955 * rt2860_addba_response
2956 */
2957 static int rt2860_addba_response(struct ieee80211_node *ni,
2958 struct ieee80211_tx_ampdu *tap,
2959 int status, int baparamset, int batimeout)
2960 {
2961 struct rt2860_softc *sc;
2962 struct ieee80211com *ic;
2963 struct ifnet *ifp;
2964 struct rt2860_softc_node *rni;
2965 int tid, bufsize;
2966
2967 ic = ni->ni_ic;
2968 ifp = ic->ic_ifp;
2969 sc = ifp->if_softc;
2970 rni = (struct rt2860_softc_node *) ni;
2971
2972 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2973 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2974
2975 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2976 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2977 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2978
2979 if (status == IEEE80211_STATUS_SUCCESS)
2980 {
2981 if (sc->mac_rev >= 0x28720200)
2982 {
2983 if (bufsize > 13)
2984 bufsize = 13;
2985 }
2986 else
2987 {
2988 if (bufsize > 7)
2989 bufsize = 7;
2990 }
2991
2992 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2993 baparamset = RT2860_SM(bufsize, IEEE80211_BAPS_BUFSIZ);
2994
2995 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2996 {
2997 sc->tx_ampdu_sessions++;
2998
2999 rt2860_asic_updateprot(sc);
3000 }
3001 }
3002
3003 return sc->addba_response(ni, tap, status, baparamset, batimeout);
3004 }
3005
3006 /*
3007 * rt2860_addba_stop
3008 */
3009 static void rt2860_addba_stop(struct ieee80211_node *ni,
3010 struct ieee80211_tx_ampdu *tap)
3011 {
3012 struct rt2860_softc *sc;
3013 struct ieee80211com *ic;
3014 struct ifnet *ifp;
3015 struct rt2860_softc_node *rni;
3016 int tid;
3017
3018 ic = ni->ni_ic;
3019 ifp = ic->ic_ifp;
3020 sc = ifp->if_softc;
3021 rni = (struct rt2860_softc_node *) ni;
3022
3023 tid = WME_AC_TO_TID(tap->txa_ac);
3024
3025 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
3026 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
3027 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
3028
3029 sc->tx_ampdu_sessions--;
3030
3031 rt2860_asic_updateprot(sc);
3032
3033 sc->addba_stop(ni, tap);
3034 }
3035
3036 /*
3037 * rt2860_amrr_update_iter_func
3038 */
3039 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
3040 {
3041 struct rt2860_softc *sc;
3042 struct ieee80211com *ic;
3043 struct ifnet *ifp;
3044 struct ieee80211vap *vap;
3045 struct rt2860_softc_vap *rvap;
3046 struct rt2860_softc_node *rni;
3047 uint8_t wcid;
3048
3049 vap = arg;
3050 ic = vap->iv_ic;
3051 ifp = ic->ic_ifp;
3052 sc = ifp->if_softc;
3053 rvap = (struct rt2860_softc_vap *) vap;
3054 rni = (struct rt2860_softc_node *) ni;
3055
3056 /* only associated stations */
3057
3058 if ((ni->ni_vap == vap) && (rni->staid != 0))
3059 {
3060 wcid = rni->staid;
3061
3062 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3063 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3064 device_get_nameunit(sc->dev),
3065 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3066
3067 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
3068
3069 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
3070 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3071 device_get_nameunit(sc->dev),
3072 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3073 ni->ni_associd, rni->staid, ni->ni_txrate,
3074 (ni->ni_flags & IEEE80211_NODE_HT) ?
3075 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3076 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3077 }
3078 }
3079
3080 /*
3081 * rt2860_periodic
3082 */
3083 static void rt2860_periodic(void *arg)
3084 {
3085 struct rt2860_softc *sc;
3086
3087 sc = arg;
3088
3089 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
3090 "%s: periodic\n",
3091 device_get_nameunit(sc->dev));
3092
3093 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3094 }
3095
3096 /*
3097 * rt2860_tx_watchdog
3098 */
3099 static void rt2860_tx_watchdog(void *arg)
3100 {
3101 struct rt2860_softc *sc;
3102 struct ifnet *ifp;
3103
3104 sc = arg;
3105 ifp = sc->ifp;
3106
3107 if (sc->tx_timer == 0)
3108 return;
3109
3110 if (--sc->tx_timer == 0)
3111 {
3112 printf("%s: Tx watchdog timeout: resetting\n",
3113 device_get_nameunit(sc->dev));
3114
3115 rt2860_stop_locked(sc);
3116 rt2860_init_locked(sc);
3117
3118 ifp->if_oerrors++;
3119
3120 sc->tx_watchdog_timeouts++;
3121 }
3122
3123 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
3124 }
3125
3126 /*
3127 * rt2860_staid_alloc
3128 */
3129 static int rt2860_staid_alloc(struct rt2860_softc *sc, int aid)
3130 {
3131 int staid;
3132
3133 if ((aid > 0 && aid < RT2860_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3134 {
3135 staid = aid;
3136 }
3137 else
3138 {
3139 for (staid = 1; staid < RT2860_SOFTC_STAID_COUNT; staid++)
3140 {
3141 if (isclr(sc->staid_mask, staid))
3142 break;
3143 }
3144 }
3145
3146 setbit(sc->staid_mask, staid);
3147
3148 return staid;
3149 }
3150
3151 /*
3152 * rt2860_staid_delete
3153 */
3154 static void rt2860_staid_delete(struct rt2860_softc *sc, int staid)
3155 {
3156 clrbit(sc->staid_mask, staid);
3157 }
3158
3159 /*
3160 * rt2860_asic_set_bssid
3161 */
3162 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
3163 const uint8_t *bssid)
3164 {
3165 uint32_t tmp;
3166
3167 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3168 "%s: set bssid: bssid=%s\n",
3169 device_get_nameunit(sc->dev),
3170 ether_sprintf(bssid));
3171
3172 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3173
3174 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
3175
3176 tmp = bssid[4] | (bssid[5] << 8);
3177
3178 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
3179 }
3180
3181 /*
3182 * rt2860_asic_set_macaddr
3183 */
3184 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
3185 const uint8_t *addr)
3186 {
3187 uint32_t tmp;
3188
3189 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3190
3191 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
3192
3193 tmp = addr[4] | (addr[5] << 8);
3194
3195 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
3196 }
3197
3198 /*
3199 * rt2860_asic_enable_tsf_sync
3200 */
3201 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
3202 {
3203 struct ifnet *ifp;
3204 struct ieee80211com *ic;
3205 struct ieee80211vap *vap;
3206 uint32_t tmp;
3207
3208 ifp = sc->ifp;
3209 ic = ifp->if_l2com;
3210 vap = TAILQ_FIRST(&ic->ic_vaps);
3211
3212 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3213 "%s: enabling TSF\n",
3214 device_get_nameunit(sc->dev));
3215
3216 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3217
3218 tmp &= ~0x1fffff;
3219 tmp |= vap->iv_bss->ni_intval * 16;
3220 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3221
3222 if (vap->iv_opmode == IEEE80211_M_STA)
3223 {
3224 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3225 }
3226 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3227 {
3228 tmp |= RT2860_REG_BCN_TX_ENABLE;
3229 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3230 }
3231 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3232 {
3233 tmp |= RT2860_REG_BCN_TX_ENABLE;
3234 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3235 }
3236
3237 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3238 }
3239
3240 /*
3241 * rt2860_asic_disable_tsf_sync
3242 */
3243 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3244 {
3245 uint32_t tmp;
3246
3247 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3248 "%s: disabling TSF\n",
3249 device_get_nameunit(sc->dev));
3250
3251 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3252
3253 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3254 RT2860_REG_TSF_TIMER_ENABLE |
3255 RT2860_REG_TBTT_TIMER_ENABLE);
3256
3257 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3258 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3259
3260 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3261 }
3262
3263 /*
3264 * rt2860_asic_enable_mrr
3265 */
3266 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3267 {
3268 #define CCK(mcs) (mcs)
3269 #define OFDM(mcs) ((1 << 3) | (mcs))
3270 #define HT(mcs) (mcs)
3271
3272 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3273 (OFDM(6) << 28) | /* 54 -> 48 */
3274 (OFDM(5) << 24) | /* 48 -> 36 */
3275 (OFDM(4) << 20) | /* 36 -> 24 */
3276 (OFDM(3) << 16) | /* 24 -> 18 */
3277 (OFDM(2) << 12) | /* 18 -> 12 */
3278 (OFDM(1) << 8) | /* 12 -> 9 */
3279 (OFDM(0) << 4) | /* 9 -> 6 */
3280 OFDM(0)); /* 6 -> 6 */
3281
3282 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3283 (CCK(2) << 12) | /* 11 -> 5.5 */
3284 (CCK(1) << 8) | /* 5.5 -> 2 */
3285 (CCK(0) << 4) | /* 2 -> 1 */
3286 CCK(0)); /* 1 -> 1 */
3287
3288 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3289 (HT(6) << 28) |
3290 (HT(5) << 24) |
3291 (HT(4) << 20) |
3292 (HT(3) << 16) |
3293 (HT(2) << 12) |
3294 (HT(1) << 8) |
3295 (HT(0) << 4) |
3296 HT(0));
3297
3298 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3299 (HT(14) << 28) |
3300 (HT(13) << 24) |
3301 (HT(12) << 20) |
3302 (HT(11) << 16) |
3303 (HT(10) << 12) |
3304 (HT(9) << 8) |
3305 (HT(8) << 4) |
3306 HT(7));
3307
3308 #undef HT
3309 #undef OFDM
3310 #undef CCK
3311 }
3312
3313 /*
3314 * rt2860_asic_set_txpreamble
3315 */
3316 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3317 {
3318 struct ifnet *ifp;
3319 struct ieee80211com *ic;
3320 uint32_t tmp;
3321
3322 ifp = sc->ifp;
3323 ic = ifp->if_l2com;
3324
3325 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3326 "%s: %s short Tx preamble\n",
3327 device_get_nameunit(sc->dev),
3328 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3329
3330 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3331
3332 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3333
3334 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3335 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3336
3337 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3338 }
3339
3340 /*
3341 * rt2860_asic_set_basicrates
3342 */
3343 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3344 {
3345 struct ifnet *ifp;
3346 struct ieee80211com *ic;
3347
3348 ifp = sc->ifp;
3349 ic = ifp->if_l2com;
3350
3351 if (ic->ic_curmode == IEEE80211_MODE_11B)
3352 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3353 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3354 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3355 else
3356 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3357 }
3358
3359 /*
3360 * rt2860_asic_update_rtsthreshold
3361 */
3362 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3363 {
3364 struct ifnet *ifp;
3365 struct ieee80211com *ic;
3366 struct ieee80211vap *vap;
3367 uint32_t tmp;
3368 uint16_t threshold;
3369
3370 ifp = sc->ifp;
3371 ic = ifp->if_l2com;
3372 vap = TAILQ_FIRST(&ic->ic_vaps);
3373
3374 if (vap == NULL)
3375 threshold = IEEE80211_RTS_MAX;
3376 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3377 threshold = 0x1000;
3378 else
3379 threshold = vap->iv_rtsthreshold;
3380
3381 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3382 "%s: updating RTS threshold: %d\n",
3383 device_get_nameunit(sc->dev), threshold);
3384
3385 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3386
3387 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3388
3389 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3390 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3391
3392 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3393 }
3394
3395 /*
3396 * rt2860_asic_update_txpower
3397 */
3398 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3399 {
3400 struct ifnet *ifp;
3401 struct ieee80211com *ic;
3402 uint32_t *txpow_rate;
3403 int8_t delta;
3404 uint8_t val;
3405 uint32_t tmp;
3406 int i;
3407
3408 ifp = sc->ifp;
3409 ic = ifp->if_l2com;
3410
3411 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3412 "%s: updating Tx power: %d\n",
3413 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3414
3415 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3416 {
3417 txpow_rate = sc->txpow_rate_20mhz;
3418 }
3419 else
3420 {
3421 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3422 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3423 else
3424 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3425 }
3426
3427 delta = 0;
3428
3429 val = rt2860_io_bbp_read(sc, 1);
3430 val &= 0xfc;
3431
3432 if (ic->ic_txpowlimit > 90)
3433 {
3434 /* do nothing */
3435 }
3436 else if (ic->ic_txpowlimit > 60)
3437 {
3438 delta -= 1;
3439 }
3440 else if (ic->ic_txpowlimit > 30)
3441 {
3442 delta -= 3;
3443 }
3444 else if (ic->ic_txpowlimit > 15)
3445 {
3446 val |= 0x1;
3447 }
3448 else if (ic->ic_txpowlimit > 9)
3449 {
3450 val |= 0x1;
3451 delta -= 3;
3452 }
3453 else
3454 {
3455 val |= 0x2;
3456 }
3457
3458 rt2860_io_bbp_write(sc, 1, val);
3459
3460 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3461 {
3462 if (txpow_rate[i] == 0xffffffff)
3463 continue;
3464
3465 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3466
3467 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3468 }
3469 }
3470
3471 /*
3472 * rt2860_asic_update_promisc
3473 */
3474 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3475 {
3476 struct ifnet *ifp;
3477 uint32_t tmp;
3478
3479 ifp = sc->ifp;
3480
3481 printf("%s: %s promiscuous mode\n",
3482 device_get_nameunit(sc->dev),
3483 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3484
3485 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3486
3487 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3488
3489 if (!(ifp->if_flags & IFF_PROMISC))
3490 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3491
3492 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3493 }
3494
3495 /*
3496 * rt2860_asic_updateprot
3497 */
3498 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3499 {
3500 struct ifnet *ifp;
3501 struct ieee80211com *ic;
3502 struct ieee80211vap *vap;
3503 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3504 uint8_t htopmode;
3505 enum ieee80211_protmode htprotmode;
3506
3507 ifp = sc->ifp;
3508 ic = ifp->if_l2com;
3509 vap = TAILQ_FIRST(&ic->ic_vaps);
3510
3511 /* CCK frame protection */
3512
3513 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3514 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3515
3516 /* set up protection frame phy mode and rate (MCS code) */
3517
3518 if (ic->ic_curmode == IEEE80211_MODE_11A)
3519 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3520 (0 << RT2860_REG_PROT_MCS_SHIFT);
3521 else
3522 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3523 (3 << RT2860_REG_PROT_MCS_SHIFT));
3524
3525 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3526
3527 /* OFDM frame protection */
3528
3529 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3530 RT2860_REG_TXOP_ALLOW_ALL;
3531
3532 if (ic->ic_flags & IEEE80211_F_USEPROT)
3533 {
3534 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3535 "%s: updating protection mode: b/g protection mode=%s\n",
3536 device_get_nameunit(sc->dev),
3537 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3538 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3539
3540 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3541 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3542 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3543 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3544 else
3545 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3546 }
3547 else
3548 {
3549 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3550 "%s: updating protection mode: b/g protection mode=%s\n",
3551 device_get_nameunit(sc->dev), "none");
3552
3553 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3554 }
3555
3556 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3557
3558 /* HT frame protection */
3559
3560 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3561 htopmode = vap->iv_bss->ni_htopmode;
3562 else
3563 htopmode = ic->ic_curhtprotmode;
3564
3565 htprotmode = ic->ic_htprotmode;
3566
3567 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3568
3569 if (sc->tx_ampdu_sessions > 0)
3570 {
3571 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3572 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3573 device_get_nameunit(sc->dev));
3574
3575 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3576 htprotmode = IEEE80211_PROT_RTSCTS;
3577 }
3578
3579 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3580 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3581 device_get_nameunit(sc->dev),
3582 htopmode & IEEE80211_HTINFO_OPMODE,
3583 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3584 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3585
3586 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3587 {
3588 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3589 case IEEE80211_HTINFO_OPMODE_HT20PR:
3590 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3591 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3592 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3593 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3594 (4 << RT2860_REG_PROT_MCS_SHIFT);
3595
3596 gf20_prot = mm20_prot;
3597
3598 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3599 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3600 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3601
3602 if (htprotmode == IEEE80211_PROT_RTSCTS)
3603 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3604 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3605 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3606 else
3607 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3608
3609 gf40_prot = mm40_prot;
3610 break;
3611
3612 /* IEEE80211_HTINFO_OPMODE_MIXED */
3613 case IEEE80211_HTINFO_OPMODE_MIXED:
3614 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3615 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3616 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3617
3618 if (ic->ic_flags & IEEE80211_F_USEPROT)
3619 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3620 (3 << RT2860_REG_PROT_MCS_SHIFT);
3621 else
3622 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3623 (4 << RT2860_REG_PROT_MCS_SHIFT);
3624
3625 if (htprotmode == IEEE80211_PROT_RTSCTS)
3626 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3627 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3628 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3629 else
3630 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3631
3632 gf20_prot = mm20_prot;
3633
3634 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3635
3636 if (ic->ic_flags & IEEE80211_F_USEPROT)
3637 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3638 (3 << RT2860_REG_PROT_MCS_SHIFT);
3639 else
3640 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3641 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3642
3643 if (htprotmode == IEEE80211_PROT_RTSCTS)
3644 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3645 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3646 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3647 else
3648 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3649
3650 gf40_prot = mm40_prot;
3651 break;
3652
3653 /*
3654 * IEEE80211_HTINFO_OPMODE_PURE
3655 * IEEE80211_HTINFO_OPMODE_PROTOPT
3656 */
3657 case IEEE80211_HTINFO_OPMODE_PURE:
3658 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3659 default:
3660 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3661 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3662 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3663 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3664 (4 << RT2860_REG_PROT_MCS_SHIFT);
3665
3666 gf20_prot = mm20_prot;
3667
3668 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3669 RT2860_REG_TXOP_ALLOW_ALL |
3670 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3671 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3672
3673 gf40_prot = mm40_prot;
3674 break;
3675 }
3676
3677 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3678 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3679 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3680 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3681 }
3682
3683 /*
3684 * rt2860_asic_updateslot
3685 */
3686 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3687 {
3688 struct ifnet *ifp;
3689 struct ieee80211com *ic;
3690 struct ieee80211vap *vap;
3691 uint32_t tmp;
3692
3693 ifp = sc->ifp;
3694 ic = ifp->if_l2com;
3695 vap = TAILQ_FIRST(&ic->ic_vaps);
3696
3697 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3698 "%s: %s short slot time\n",
3699 device_get_nameunit(sc->dev),
3700 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3701 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3702
3703 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3704
3705 tmp &= ~0xff;
3706
3707 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3708 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3709 tmp |= IEEE80211_DUR_SHSLOT;
3710 else
3711 tmp |= IEEE80211_DUR_SLOT;
3712
3713 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3714 }
3715
3716 /*
3717 * rt2860_asic_wme_update
3718 */
3719 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3720 {
3721 struct ifnet *ifp;
3722 struct ieee80211com *ic;
3723 struct ieee80211_wme_state *wme;
3724 const struct wmeParams *wmep;
3725 int i;
3726
3727 ifp = sc->ifp;
3728 ic = ifp->if_l2com;
3729 wme = &ic->ic_wme;
3730 wmep = wme->wme_chanParams.cap_wmeParams;
3731
3732 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3733 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3734 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3735 device_get_nameunit(sc->dev),
3736 wmep[WME_AC_VO].wmep_aifsn,
3737 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3738 wmep[WME_AC_VO].wmep_txopLimit,
3739 wmep[WME_AC_VI].wmep_aifsn,
3740 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3741 wmep[WME_AC_VI].wmep_txopLimit,
3742 wmep[WME_AC_BK].wmep_aifsn,
3743 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3744 wmep[WME_AC_BK].wmep_txopLimit,
3745 wmep[WME_AC_BE].wmep_aifsn,
3746 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3747 wmep[WME_AC_BE].wmep_txopLimit);
3748
3749 for (i = 0; i < WME_NUM_AC; i++)
3750 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3751 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3752 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3753
3754 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3755 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3756 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3757
3758 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3759 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3760 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3761
3762 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3763 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3764 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3765
3766 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3767 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3768
3769 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3770 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3771 }
3772
3773 /*
3774 * rt2860_asic_update_beacon
3775 */
3776 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
3777 struct ieee80211vap *vap)
3778 {
3779 struct rt2860_softc_vap *rvap;
3780 struct mbuf *m;
3781 struct rt2860_txwi *txwi;
3782 uint32_t tmp;
3783
3784 rvap = (struct rt2860_softc_vap *) vap;
3785
3786 m = rvap->beacon_mbuf;
3787 txwi = &rvap->beacon_txwi;
3788
3789 /* disable temporarily TSF sync */
3790
3791 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3792
3793 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3794 RT2860_REG_TSF_TIMER_ENABLE |
3795 RT2860_REG_TBTT_TIMER_ENABLE);
3796
3797 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3798
3799 /* write Tx wireless info and beacon frame to on-chip memory */
3800
3801 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3802 txwi, sizeof(struct rt2860_txwi));
3803
3804 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3805 mtod(m, uint8_t *), m->m_pkthdr.len);
3806
3807 /* enable again TSF sync */
3808
3809 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3810
3811 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3812 RT2860_REG_TSF_TIMER_ENABLE |
3813 RT2860_REG_TBTT_TIMER_ENABLE);
3814
3815 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3816 }
3817
3818 /*
3819 * rt2860_asic_clear_keytables
3820 */
3821 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3822 {
3823 int i;
3824
3825 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3826
3827 for (i = 0; i < 256; i++)
3828 {
3829 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3830 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3831 }
3832
3833 /* clear WCID attribute table (entries = 256, entry size = 4) */
3834
3835 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3836
3837 /* clear IV/EIV table (entries = 256, entry size = 8) */
3838
3839 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3840
3841 /* clear pairwise key table (entries = 64, entry size = 32) */
3842
3843 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3844
3845 /* clear shared key table (entries = 32, entry size = 32) */
3846
3847 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3848
3849 /* clear shared key mode (entries = 32, entry size = 2) */
3850
3851 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3852 }
3853
3854 /*
3855 * rt2860_beacon_alloc
3856 */
3857 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
3858 struct ieee80211vap *vap)
3859 {
3860 struct ieee80211com *ic;
3861 struct rt2860_softc_vap *rvap;
3862 struct mbuf *m;
3863 struct rt2860_txwi txwi;
3864 uint8_t rate, mcs;
3865
3866 ic = vap->iv_ic;
3867 rvap = (struct rt2860_softc_vap *) vap;
3868
3869 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3870 if (m == NULL)
3871 return ENOMEM;
3872
3873 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
3874 mcs = rt2860_rate2mcs(rate);
3875
3876 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3877 "%s: beacon allocate: mcs=0x%02x\n",
3878 device_get_nameunit(sc->dev), mcs);
3879
3880 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3881
3882 txwi.wcid = RT2860_WCID_RESERVED;
3883 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3884 RT2860_TXWI_MPDU_LEN_SHIFT);
3885 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3886 txwi.mpdu_density_flags |=
3887 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3888 txwi.bawin_size_xflags |=
3889 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3890
3891 if (rate == 2)
3892 {
3893 txwi.phymode_ifs_stbc_shortgi =
3894 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3895
3896 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3897 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3898 }
3899 else
3900 {
3901 txwi.phymode_ifs_stbc_shortgi =
3902 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3903 }
3904
3905 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3906 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3907
3908 if (rvap->beacon_mbuf != NULL)
3909 {
3910 m_free(rvap->beacon_mbuf);
3911 rvap->beacon_mbuf = NULL;
3912 }
3913
3914 rvap->beacon_mbuf = m;
3915 rvap->beacon_txwi = txwi;
3916
3917 return 0;
3918 }
3919
3920 /*
3921 * rt2860_rxrate
3922 */
3923 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3924 {
3925 uint8_t mcs, phymode;
3926 uint8_t rate;
3927
3928 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3929 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3930 RT2860_RXWI_PHYMODE_MASK;
3931
3932 rate = 2;
3933
3934 switch (phymode)
3935 {
3936 case RT2860_RXWI_PHYMODE_CCK:
3937 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3938 {
3939 case 0: rate = 2; break; /* 1 Mbps */
3940 case 1: rate = 4; break; /* 2 MBps */
3941 case 2: rate = 11; break; /* 5.5 Mbps */
3942 case 3: rate = 22; break; /* 11 Mbps */
3943 }
3944 break;
3945
3946 case RT2860_RXWI_PHYMODE_OFDM:
3947 switch (mcs)
3948 {
3949 case 0: rate = 12; break; /* 6 Mbps */
3950 case 1: rate = 18; break; /* 9 Mbps */
3951 case 2: rate = 24; break; /* 12 Mbps */
3952 case 3: rate = 36; break; /* 18 Mbps */
3953 case 4: rate = 48; break; /* 24 Mbps */
3954 case 5: rate = 72; break; /* 36 Mbps */
3955 case 6: rate = 96; break; /* 48 Mbps */
3956 case 7: rate = 108; break; /* 54 Mbps */
3957 }
3958 break;
3959
3960 case RT2860_RXWI_PHYMODE_HT_MIXED:
3961 case RT2860_RXWI_PHYMODE_HT_GF:
3962 break;
3963 }
3964
3965 return rate;
3966 }
3967
3968 /*
3969 * rt2860_maxrssi_rxpath
3970 */
3971 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3972 const struct rt2860_rxwi *rxwi)
3973 {
3974 uint8_t rxpath;
3975
3976 rxpath = 0;
3977
3978 if (sc->nrxpath > 1)
3979 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3980 rxpath = 1;
3981
3982 if (sc->nrxpath > 2)
3983 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3984 rxpath = 2;
3985
3986 return rxpath;
3987 }
3988
3989 /*
3990 * rt2860_rssi2dbm
3991 */
3992 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3993 uint8_t rssi, uint8_t rxpath)
3994 {
3995 struct ifnet *ifp;
3996 struct ieee80211com *ic;
3997 struct ieee80211_channel *c;
3998 int chan;
3999 int8_t rssi_off, lna_gain;
4000
4001 if (rssi == 0)
4002 return -99;
4003
4004 ifp = sc->ifp;
4005 ic = ifp->if_l2com;
4006 c = ic->ic_curchan;
4007 chan = ieee80211_chan2ieee(ic, c);
4008
4009 if (IEEE80211_IS_CHAN_5GHZ(c))
4010 {
4011 rssi_off = sc->rssi_off_5ghz[rxpath];
4012
4013 if (chan <= 64)
4014 lna_gain = sc->lna_gain[1];
4015 else if (chan <= 128)
4016 lna_gain = sc->lna_gain[2];
4017 else
4018 lna_gain = sc->lna_gain[3];
4019 }
4020 else
4021 {
4022 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
4023 lna_gain = sc->lna_gain[0];
4024 }
4025
4026 return (-12 - rssi_off - lna_gain - rssi);
4027 }
4028
4029 /*
4030 * rt2860_rate2mcs
4031 */
4032 static uint8_t rt2860_rate2mcs(uint8_t rate)
4033 {
4034 switch (rate)
4035 {
4036 /* CCK rates */
4037 case 2: return 0;
4038 case 4: return 1;
4039 case 11: return 2;
4040 case 22: return 3;
4041
4042 /* OFDM rates */
4043 case 12: return 0;
4044 case 18: return 1;
4045 case 24: return 2;
4046 case 36: return 3;
4047 case 48: return 4;
4048 case 72: return 5;
4049 case 96: return 6;
4050 case 108: return 7;
4051 }
4052
4053 return 0;
4054 }
4055
4056 /*
4057 * rt2860_tx_mgmt
4058 */
4059 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
4060 struct mbuf *m, struct ieee80211_node *ni, int qid)
4061 {
4062 struct ifnet *ifp;
4063 struct ieee80211com *ic;
4064 struct ieee80211vap *vap;
4065 const struct ieee80211_txparam *tp;
4066 struct rt2860_softc_node *rni;
4067 struct rt2860_softc_tx_ring *ring;
4068 struct rt2860_softc_tx_data *data;
4069 struct rt2860_txdesc *desc;
4070 struct rt2860_txwi *txwi;
4071 struct ieee80211_frame *wh;
4072 struct rt2860_softc_tx_radiotap_header *tap;
4073 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4074 u_int hdrsize, hdrspace;
4075 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
4076 uint16_t len, dmalen, mpdu_len, dur;
4077 int error, mimops, ndmasegs, ndescs, i, j;
4078
4079 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4080 ("%s: Tx MGMT: invalid qid=%d\n",
4081 device_get_nameunit(sc->dev), qid));
4082
4083 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4084
4085 ifp = sc->ifp;
4086 ic = ifp->if_l2com;
4087 vap = ni->ni_vap;
4088 rni = (struct rt2860_softc_node *) ni;
4089 tp = ni->ni_txparms;
4090
4091 ring = &sc->tx_ring[qid];
4092 desc = &ring->desc[ring->desc_cur];
4093 data = &ring->data[ring->data_cur];
4094 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4095
4096 wh = mtod(m, struct ieee80211_frame *);
4097
4098 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4099
4100 /* fill Tx wireless info */
4101
4102 if (ni->ni_flags & IEEE80211_NODE_HT)
4103 mcs = rate;
4104 else
4105 mcs = rt2860_rate2mcs(rate);
4106
4107 /* calculate MPDU length without padding */
4108
4109 hdrsize = ieee80211_hdrsize(wh);
4110 hdrspace = ieee80211_hdrspace(ic, wh);
4111 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4112
4113 memset(txwi, 0, sizeof(struct rt2860_txwi));
4114
4115 /* management frames do not need encryption */
4116
4117 txwi->wcid = RT2860_WCID_RESERVED;
4118
4119 /* MIMO power save */
4120
4121 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4122 {
4123 if (mcs > 7)
4124 {
4125 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4126 {
4127 /* dynamic MIMO power save */
4128
4129 txwi->mpdu_density_flags |=
4130 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4131 }
4132 else
4133 {
4134 /* static MIMO power save */
4135
4136 mcs = 7;
4137 }
4138 }
4139
4140 mimops = 1;
4141 }
4142 else
4143 {
4144 mimops = 0;
4145 }
4146
4147 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4148
4149 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4150 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4151 RT2860_TXWI_MPDU_LEN_SHIFT);
4152
4153 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4154 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4155
4156 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4157 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4158
4159 txwi->phymode_ifs_stbc_shortgi |=
4160 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4161 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4162
4163 if (ni->ni_flags & IEEE80211_NODE_HT)
4164 {
4165 txwi->phymode_ifs_stbc_shortgi |=
4166 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4167 }
4168 else
4169 {
4170 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4171 {
4172 txwi->phymode_ifs_stbc_shortgi |=
4173 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4174
4175 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4176 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4177 }
4178 else
4179 {
4180 txwi->phymode_ifs_stbc_shortgi |=
4181 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4182 }
4183 }
4184
4185 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
4186 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4187
4188 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
4189
4190 /* skip ACKs for multicast frames */
4191
4192 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4193 {
4194 txwi->bawin_size_xflags |=
4195 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4196
4197 if (ni->ni_flags & IEEE80211_NODE_HT)
4198 {
4199 /* preamble + plcp + signal extension + SIFS */
4200
4201 dur = 16 + 4 + 6 + 10;
4202 }
4203 else
4204 {
4205 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4206 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4207 }
4208
4209 *(uint16_t *) wh->i_dur = htole16(dur);
4210 }
4211
4212 /* ask MAC to insert timestamp into probe responses */
4213
4214 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4215 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4216 txwi->mpdu_density_flags |=
4217 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4218
4219 if (ieee80211_radiotap_active_vap(vap))
4220 {
4221 tap = &sc->txtap;
4222
4223 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4224 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4225 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4226 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4227 tap->chan_maxpow = 0;
4228
4229 if (ni->ni_flags & IEEE80211_NODE_HT)
4230 tap->rate = mcs | IEEE80211_RATE_MCS;
4231 else
4232 tap->rate = rate;
4233
4234 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4235 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4236
4237 if (shortgi)
4238 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4239
4240 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4241 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4242
4243 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4244 {
4245 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4246
4247 ieee80211_radiotap_tx(vap, m);
4248
4249 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4250 }
4251 else
4252 {
4253 ieee80211_radiotap_tx(vap, m);
4254 }
4255 }
4256
4257 /* copy and trim 802.11 header */
4258
4259 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4260 m_adj(m, hdrspace);
4261
4262 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4263 dma_seg, &ndmasegs, 0);
4264 if (error != 0)
4265 {
4266 /* too many fragments, linearize */
4267
4268 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4269 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4270 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4271
4272 m = m_defrag(m, M_DONTWAIT);
4273 if (m == NULL)
4274 return ENOMEM;
4275
4276 sc->tx_defrag_packets++;
4277
4278 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4279 dma_seg, &ndmasegs, 0);
4280 if (error != 0)
4281 {
4282 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4283 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4284 m_freem(m);
4285 return error;
4286 }
4287 }
4288
4289 if (m->m_pkthdr.len == 0)
4290 ndmasegs = 0;
4291
4292 /* determine how many Tx descs are required */
4293
4294 ndescs = 1 + ndmasegs / 2;
4295 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4296 {
4297 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4298 "%s: there are not enough Tx descs\n",
4299 device_get_nameunit(sc->dev));
4300
4301 sc->no_tx_desc_avail++;
4302
4303 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4304 m_freem(m);
4305 return EFBIG;
4306 }
4307
4308 data->m = m;
4309 data->ni = ni;
4310
4311 /* set up Tx descs */
4312
4313 /* first segment is Tx wireless info and 802.11 header */
4314
4315 len = sizeof(struct rt2860_txwi) + hdrsize;
4316
4317 /* align end on a 4-bytes boundary */
4318
4319 dmalen = (len + 3) & ~ 3;
4320
4321 memset((caddr_t) txwi + len, 0, dmalen - len);
4322
4323 qsel = RT2860_TXDESC_QSEL_EDCA;
4324
4325 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4326 desc->sdl0 = htole16(dmalen);
4327 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4328
4329 /* set up payload segments */
4330
4331 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4332 {
4333 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4334 desc->sdl1 = htole16(dma_seg[j].ds_len);
4335
4336 ring->desc_queued++;
4337 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4338
4339 j++;
4340
4341 desc = &ring->desc[ring->desc_cur];
4342
4343 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4344 desc->sdl0 = htole16(dma_seg[j].ds_len);
4345 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4346
4347 j++;
4348 }
4349
4350 /* finalize last payload segment */
4351
4352 if (i > 0)
4353 {
4354 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4355 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4356 }
4357 else
4358 {
4359 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4360 desc->sdl1 = 0;
4361 }
4362
4363 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4364 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4365 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4366 device_get_nameunit(sc->dev),
4367 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4368 stbc, shortgi, mcs, mimops, dmalen, ndmasegs,
4369 (int) dma_seg[0].ds_len, (int) dma_seg[1].ds_len, (int) dma_seg[2].ds_len, (int) dma_seg[3].ds_len, (int) dma_seg[4].ds_len);
4370
4371 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4372 BUS_DMASYNC_PREWRITE);
4373 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4374 BUS_DMASYNC_PREWRITE);
4375 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4376 BUS_DMASYNC_PREWRITE);
4377
4378 ring->desc_queued++;
4379 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4380
4381 ring->data_queued++;
4382 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4383
4384 /* kick Tx */
4385
4386 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4387
4388 return 0;
4389 }
4390
4391 /*
4392 * rt2860_tx_data
4393 */
4394 static int rt2860_tx_data(struct rt2860_softc *sc,
4395 struct mbuf *m, struct ieee80211_node *ni, int qid)
4396 {
4397 struct ifnet *ifp;
4398 struct ieee80211com *ic;
4399 struct ieee80211vap *vap;
4400 const struct ieee80211_txparam *tp;
4401 struct rt2860_softc_node *rni;
4402 struct rt2860_softc_tx_ring *ring;
4403 struct rt2860_softc_tx_data *data;
4404 struct rt2860_txdesc *desc;
4405 struct rt2860_txwi *txwi;
4406 struct ieee80211_frame *wh;
4407 struct ieee80211_tx_ampdu *tx_ampdu;
4408 ieee80211_seq seqno;
4409 struct rt2860_softc_tx_radiotap_header *tap;
4410 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4411 u_int hdrsize, hdrspace;
4412 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4413 uint16_t qos, len, dmalen, mpdu_len, dur;
4414 int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j;
4415
4416 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4417 ("%s: Tx data: invalid qid=%d\n",
4418 device_get_nameunit(sc->dev), qid));
4419
4420 RT2860_SOFTC_TX_RING_ASSERT_LOCKED(&sc->tx_ring[qid]);
4421
4422 ifp = sc->ifp;
4423 ic = ifp->if_l2com;
4424 vap = ni->ni_vap;
4425 rni = (struct rt2860_softc_node *) ni;
4426 tp = ni->ni_txparms;
4427
4428 ring = &sc->tx_ring[qid];
4429 desc = &ring->desc[ring->desc_cur];
4430 data = &ring->data[ring->data_cur];
4431 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4432
4433 wh = mtod(m, struct ieee80211_frame *);
4434
4435 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4436
4437 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4438 if (hasqos)
4439 {
4440 if (IEEE80211_HAS_ADDR4(wh))
4441 qos = le16toh(*(const uint16_t *)
4442 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4443 else
4444 qos = le16toh(*(const uint16_t *)
4445 (((struct ieee80211_qosframe *) wh)->i_qos));
4446 }
4447 else
4448 {
4449 qos = 0;
4450 }
4451
4452 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4453 rate = tp->mcastrate;
4454 else if (m->m_flags & M_EAPOL)
4455 rate = tp->mgmtrate;
4456 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4457 rate = tp->ucastrate;
4458 else
4459 rate = ni->ni_txrate;
4460
4461 rate &= IEEE80211_RATE_VAL;
4462
4463 /* fill Tx wireless info */
4464
4465 if (ni->ni_flags & IEEE80211_NODE_HT)
4466 mcs = rate;
4467 else
4468 mcs = rt2860_rate2mcs(rate);
4469
4470 if (type == IEEE80211_FC0_TYPE_DATA)
4471 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2860_WCID_MCAST;
4472 else
4473 wcid = RT2860_WCID_RESERVED;
4474
4475 /* calculate MPDU length without padding */
4476
4477 hdrsize = ieee80211_hdrsize(wh);
4478 hdrspace = ieee80211_hdrspace(ic, wh);
4479 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4480
4481 memset(txwi, 0, sizeof(struct rt2860_txwi));
4482
4483 txwi->wcid = wcid;
4484
4485 /* MIMO power save */
4486
4487 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4488 {
4489 if (mcs > 7)
4490 {
4491 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4492 {
4493 /* dynamic MIMO power save */
4494
4495 txwi->mpdu_density_flags |=
4496 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4497 }
4498 else
4499 {
4500 /* static MIMO power save */
4501
4502 mcs = 7;
4503 }
4504 }
4505
4506 mimops = 1;
4507 }
4508 else
4509 {
4510 mimops = 0;
4511 }
4512
4513 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4514
4515 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4516 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4517 RT2860_TXWI_MPDU_LEN_SHIFT);
4518
4519 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4520 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4521
4522 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4523 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4524
4525 txwi->phymode_ifs_stbc_shortgi |=
4526 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4527 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4528
4529 if (ni->ni_flags & IEEE80211_NODE_HT)
4530 {
4531 txwi->phymode_ifs_stbc_shortgi |=
4532 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4533 }
4534 else
4535 {
4536 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4537 {
4538 txwi->phymode_ifs_stbc_shortgi |=
4539 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4540
4541 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4542 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4543 }
4544 else
4545 {
4546 txwi->phymode_ifs_stbc_shortgi |=
4547 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4548 }
4549 }
4550
4551 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4552 bw = RT2860_TXWI_BW_40;
4553 else
4554 bw = RT2860_TXWI_BW_20;
4555
4556 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4557 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4558
4559 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4560
4561 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4562 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4563 {
4564 txwi->bawin_size_xflags |=
4565 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4566
4567 if (ni->ni_flags & IEEE80211_NODE_HT)
4568 {
4569 /* preamble + plcp + signal extension + SIFS */
4570
4571 dur = 16 + 4 + 6 + 10;
4572 }
4573 else
4574 {
4575 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4576 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4577 }
4578
4579 *(uint16_t *) wh->i_dur = htole16(dur);
4580 }
4581
4582 /* check for A-MPDU */
4583
4584 if (m->m_flags & M_AMPDU_MPDU)
4585 {
4586 ac = M_WME_GETAC(m);
4587 tid = WME_AC_TO_TID(ac);
4588 tx_ampdu = &ni->ni_tx_ampdu[ac];
4589
4590 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4591 bawin_size = tx_ampdu->txa_wnd;
4592
4593 txwi->mpdu_density_flags |=
4594 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4595 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4596
4597 txwi->bawin_size_xflags |=
4598 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4599
4600 seqno = ni->ni_txseqs[tid]++;
4601
4602 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4603
4604 ampdu = 1;
4605 }
4606 else
4607 {
4608 mpdu_density = 0;
4609 bawin_size = 0;
4610 ampdu = 0;
4611 }
4612
4613 /* ask MAC to insert timestamp into probe responses */
4614
4615 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4616 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4617 txwi->mpdu_density_flags |=
4618 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4619
4620 if (ieee80211_radiotap_active_vap(vap))
4621 {
4622 tap = &sc->txtap;
4623
4624 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4625 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4626 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4627 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4628 tap->chan_maxpow = 0;
4629
4630 if (ni->ni_flags & IEEE80211_NODE_HT)
4631 tap->rate = mcs | IEEE80211_RATE_MCS;
4632 else
4633 tap->rate = rate;
4634
4635 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4636 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4637
4638 if (shortgi)
4639 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4640
4641 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4642 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4643
4644 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4645 {
4646 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4647
4648 ieee80211_radiotap_tx(vap, m);
4649
4650 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4651 }
4652 else
4653 {
4654 ieee80211_radiotap_tx(vap, m);
4655 }
4656 }
4657
4658 /* copy and trim 802.11 header */
4659
4660 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4661 m_adj(m, hdrspace);
4662
4663 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4664 dma_seg, &ndmasegs, 0);
4665 if (error != 0)
4666 {
4667 /* too many fragments, linearize */
4668
4669 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4670 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4671 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4672
4673 m = m_defrag(m, M_DONTWAIT);
4674 if (m == NULL)
4675 return ENOMEM;
4676
4677 sc->tx_defrag_packets++;
4678
4679 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4680 dma_seg, &ndmasegs, 0);
4681 if (error != 0)
4682 {
4683 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4684 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4685 m_freem(m);
4686 return error;
4687 }
4688 }
4689
4690 if (m->m_pkthdr.len == 0)
4691 ndmasegs = 0;
4692
4693 /* determine how many Tx descs are required */
4694
4695 ndescs = 1 + ndmasegs / 2;
4696 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4697 {
4698 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4699 "%s: there are not enough Tx descs\n",
4700 device_get_nameunit(sc->dev));
4701
4702 sc->no_tx_desc_avail++;
4703
4704 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4705 m_freem(m);
4706 return EFBIG;
4707 }
4708
4709 data->m = m;
4710 data->ni = ni;
4711
4712 /* set up Tx descs */
4713
4714 /* first segment is Tx wireless info and 802.11 header */
4715
4716 len = sizeof(struct rt2860_txwi) + hdrsize;
4717
4718 /* align end on a 4-bytes boundary */
4719
4720 dmalen = (len + 3) & ~ 3;
4721
4722 memset((caddr_t) txwi + len, 0, dmalen - len);
4723
4724 qsel = RT2860_TXDESC_QSEL_EDCA;
4725
4726 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4727 desc->sdl0 = htole16(dmalen);
4728 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4729
4730 /* set up payload segments */
4731
4732 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4733 {
4734 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4735 desc->sdl1 = htole16(dma_seg[j].ds_len);
4736
4737 ring->desc_queued++;
4738 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4739
4740 j++;
4741
4742 desc = &ring->desc[ring->desc_cur];
4743
4744 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4745 desc->sdl0 = htole16(dma_seg[j].ds_len);
4746 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4747
4748 j++;
4749 }
4750
4751 /* finalize last payload segment */
4752
4753 if (i > 0)
4754 {
4755 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4756 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4757 }
4758 else
4759 {
4760 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4761 desc->sdl1 = 0;
4762 }
4763
4764 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4765 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4766 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
4767 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4768 device_get_nameunit(sc->dev),
4769 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4770 bw, stbc, shortgi, mcs, wcid, ampdu, mpdu_density, bawin_size, mimops, dmalen, ndmasegs,
4771 (int) dma_seg[0].ds_len, (int) dma_seg[1].ds_len, (int) dma_seg[2].ds_len, (int) dma_seg[3].ds_len, (int) dma_seg[4].ds_len);
4772
4773 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4774 BUS_DMASYNC_PREWRITE);
4775 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4776 BUS_DMASYNC_PREWRITE);
4777 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4778 BUS_DMASYNC_PREWRITE);
4779
4780 ring->desc_queued++;
4781 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4782
4783 ring->data_queued++;
4784 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4785
4786 /* kick Tx */
4787
4788 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4789
4790 return 0;
4791 }
4792
4793 /*
4794 * rt2860_tx_raw
4795 */
4796 static int rt2860_tx_raw(struct rt2860_softc *sc,
4797 struct mbuf *m, struct ieee80211_node *ni,
4798 const struct ieee80211_bpf_params *params)
4799 {
4800 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4801 "%s: Tx raw\n",
4802 device_get_nameunit(sc->dev));
4803
4804 return 0;
4805 }
4806
4807 /*
4808 * rt2860_intr
4809 */
4810 static void rt2860_intr(void *arg)
4811 {
4812 struct rt2860_softc *sc;
4813 struct ifnet *ifp;
4814 uint32_t status;
4815
4816 sc = arg;
4817 ifp = sc->ifp;
4818
4819 /* acknowledge interrupts */
4820
4821 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4822 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4823
4824 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4825 "%s: interrupt: status = 0x%08x\n",
4826 device_get_nameunit(sc->dev), status);
4827
4828 if (status == 0xffffffff || /* device likely went away */
4829 status == 0) /* not for us */
4830 return;
4831
4832 sc->interrupts++;
4833
4834 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4835 return;
4836
4837 if (status & RT2860_REG_INT_TX_COHERENT)
4838 rt2860_tx_coherent_intr(sc);
4839
4840 if (status & RT2860_REG_INT_RX_COHERENT)
4841 rt2860_rx_coherent_intr(sc);
4842
4843 if (status & RT2860_REG_INT_TXRX_COHERENT)
4844 rt2860_txrx_coherent_intr(sc);
4845
4846 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4847 rt2860_fifo_sta_full_intr(sc);
4848
4849 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4850 rt2860_tx_intr(sc, 5);
4851
4852 if (status & RT2860_REG_INT_RX_DONE)
4853 rt2860_rx_intr(sc);
4854
4855 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4856 rt2860_rx_delay_intr(sc);
4857
4858 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4859 rt2860_tx_intr(sc, 4);
4860
4861 if (status & RT2860_REG_INT_TX_AC3_DONE)
4862 rt2860_tx_intr(sc, 3);
4863
4864 if (status & RT2860_REG_INT_TX_AC2_DONE)
4865 rt2860_tx_intr(sc, 2);
4866
4867 if (status & RT2860_REG_INT_TX_AC1_DONE)
4868 rt2860_tx_intr(sc, 1);
4869
4870 if (status & RT2860_REG_INT_TX_AC0_DONE)
4871 rt2860_tx_intr(sc, 0);
4872
4873 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4874 rt2860_tx_delay_intr(sc);
4875
4876 if (status & RT2860_REG_INT_PRE_TBTT)
4877 rt2860_pre_tbtt_intr(sc);
4878
4879 if (status & RT2860_REG_INT_TBTT)
4880 rt2860_tbtt_intr(sc);
4881
4882 if (status & RT2860_REG_INT_MCU_CMD)
4883 rt2860_mcu_cmd_intr(sc);
4884
4885 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4886 rt2860_auto_wakeup_intr(sc);
4887
4888 if (status & RT2860_REG_INT_GP_TIMER)
4889 rt2860_gp_timer_intr(sc);
4890 }
4891
4892 /*
4893 * rt2860_tx_coherent_intr
4894 */
4895 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4896 {
4897 uint32_t tmp;
4898 int i;
4899
4900 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4901 "%s: Tx coherent interrupt\n",
4902 device_get_nameunit(sc->dev));
4903
4904 sc->tx_coherent_interrupts++;
4905
4906 /* restart DMA engine */
4907
4908 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4909
4910 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4911 RT2860_REG_RX_DMA_ENABLE |
4912 RT2860_REG_TX_DMA_ENABLE);
4913
4914 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4915
4916 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4917
4918 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4919 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4920
4921 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4922 {
4923 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4924 sc->tx_ring[i].desc_phys_addr);
4925 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4926 RT2860_SOFTC_TX_RING_DESC_COUNT);
4927 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4928 }
4929
4930 /* init Rx ring */
4931
4932 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4933
4934 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4935 sc->rx_ring.desc_phys_addr);
4936 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4937 RT2860_SOFTC_RX_RING_DATA_COUNT);
4938 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4939 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4940
4941 rt2860_txrx_enable(sc);
4942 }
4943
4944 /*
4945 * rt2860_rx_coherent_intr
4946 */
4947 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4948 {
4949 uint32_t tmp;
4950 int i;
4951
4952 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4953 "%s: Rx coherent interrupt\n",
4954 device_get_nameunit(sc->dev));
4955
4956 sc->rx_coherent_interrupts++;
4957
4958 /* restart DMA engine */
4959
4960 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4961
4962 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4963 RT2860_REG_RX_DMA_ENABLE |
4964 RT2860_REG_TX_DMA_ENABLE);
4965
4966 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4967
4968 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4969
4970 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4971 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4972
4973 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4974 {
4975 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4976 sc->tx_ring[i].desc_phys_addr);
4977 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4978 RT2860_SOFTC_TX_RING_DESC_COUNT);
4979 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4980 }
4981
4982 /* init Rx ring */
4983
4984 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4985
4986 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4987 sc->rx_ring.desc_phys_addr);
4988 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4989 RT2860_SOFTC_RX_RING_DATA_COUNT);
4990 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4991 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4992
4993 rt2860_txrx_enable(sc);
4994 }
4995
4996 /*
4997 * rt2860_txrx_coherent_intr
4998 */
4999 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
5000 {
5001 uint32_t tmp;
5002 int i;
5003
5004 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5005 "%s: Tx/Rx coherent interrupt\n",
5006 device_get_nameunit(sc->dev));
5007
5008 sc->txrx_coherent_interrupts++;
5009
5010 /* restart DMA engine */
5011
5012 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5013
5014 tmp &= ~(RT2860_REG_TX_WB_DDONE |
5015 RT2860_REG_RX_DMA_ENABLE |
5016 RT2860_REG_TX_DMA_ENABLE);
5017
5018 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5019
5020 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
5021
5022 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5023 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
5024
5025 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
5026 {
5027 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
5028 sc->tx_ring[i].desc_phys_addr);
5029 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
5030 RT2860_SOFTC_TX_RING_DESC_COUNT);
5031 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
5032 }
5033
5034 /* init Rx ring */
5035
5036 rt2860_reset_rx_ring(sc, &sc->rx_ring);
5037
5038 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
5039 sc->rx_ring.desc_phys_addr);
5040 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
5041 RT2860_SOFTC_RX_RING_DATA_COUNT);
5042 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5043 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5044
5045 rt2860_txrx_enable(sc);
5046 }
5047
5048 /*
5049 * rt2860_fifo_sta_full_intr
5050 */
5051 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
5052 {
5053 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5054 "%s: FIFO statistic full interrupt\n",
5055 device_get_nameunit(sc->dev));
5056
5057 sc->fifo_sta_full_interrupts++;
5058
5059 RT2860_SOFTC_LOCK(sc);
5060
5061 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
5062 {
5063 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5064
5065 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5066 }
5067
5068 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
5069
5070 RT2860_SOFTC_UNLOCK(sc);
5071 }
5072
5073 /*
5074 * rt2860_rx_intr
5075 */
5076 static void rt2860_rx_intr(struct rt2860_softc *sc)
5077 {
5078 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5079 "%s: Rx interrupt\n",
5080 device_get_nameunit(sc->dev));
5081
5082 sc->rx_interrupts++;
5083
5084 RT2860_SOFTC_LOCK(sc);
5085
5086 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
5087 {
5088 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
5089
5090 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5091 }
5092
5093 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
5094
5095 RT2860_SOFTC_UNLOCK(sc);
5096 }
5097
5098 /*
5099 * rt2860_rx_delay_intr
5100 */
5101 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
5102 {
5103 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5104 "%s: Rx delay interrupt\n",
5105 device_get_nameunit(sc->dev));
5106
5107 sc->rx_delay_interrupts++;
5108 }
5109
5110 /*
5111 * rt2860_tx_intr
5112 */
5113 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
5114 {
5115 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
5116 ("%s: Tx interrupt: invalid qid=%d\n",
5117 device_get_nameunit(sc->dev), qid));
5118
5119 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5120 "%s: Tx interrupt: qid=%d\n",
5121 device_get_nameunit(sc->dev), qid);
5122
5123 sc->tx_interrupts[qid]++;
5124
5125 RT2860_SOFTC_LOCK(sc);
5126
5127 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
5128 {
5129 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
5130
5131 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5132 }
5133
5134 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
5135
5136 RT2860_SOFTC_UNLOCK(sc);
5137 }
5138
5139 /*
5140 * rt2860_tx_delay_intr
5141 */
5142 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
5143 {
5144 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5145 "%s: Tx delay interrupt\n",
5146 device_get_nameunit(sc->dev));
5147
5148 sc->tx_delay_interrupts++;
5149 }
5150
5151 /*
5152 * rt2860_pre_tbtt_intr
5153 */
5154 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
5155 {
5156 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5157 "%s: Pre-TBTT interrupt\n",
5158 device_get_nameunit(sc->dev));
5159
5160 sc->pre_tbtt_interrupts++;
5161 }
5162
5163 /*
5164 * rt2860_tbtt_intr
5165 */
5166 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
5167 {
5168 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5169 "%s: TBTT interrupt\n",
5170 device_get_nameunit(sc->dev));
5171
5172 sc->tbtt_interrupts++;
5173 }
5174
5175 /*
5176 * rt2860_mcu_cmd_intr
5177 */
5178 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
5179 {
5180 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5181 "%s: MCU command interrupt\n",
5182 device_get_nameunit(sc->dev));
5183
5184 sc->mcu_cmd_interrupts++;
5185 }
5186
5187 /*
5188 * rt2860_auto_wakeup_intr
5189 */
5190 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
5191 {
5192 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5193 "%s: auto wakeup interrupt\n",
5194 device_get_nameunit(sc->dev));
5195
5196 sc->auto_wakeup_interrupts++;
5197 }
5198
5199 /*
5200 * rt2860_gp_timer_intr
5201 */
5202 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
5203 {
5204 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
5205 "%s: GP timer interrupt\n",
5206 device_get_nameunit(sc->dev));
5207
5208 sc->gp_timer_interrupts++;
5209 }
5210
5211 /*
5212 * rt2860_rx_done_task
5213 */
5214 static void rt2860_rx_done_task(void *context, int pending)
5215 {
5216 struct rt2860_softc *sc;
5217 struct ifnet *ifp;
5218 int again;
5219
5220 sc = context;
5221 ifp = sc->ifp;
5222
5223 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5224 "%s: Rx done task\n",
5225 device_get_nameunit(sc->dev));
5226
5227 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5228 return;
5229
5230 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
5231
5232 again = rt2860_rx_eof(sc, sc->rx_process_limit);
5233
5234 RT2860_SOFTC_LOCK(sc);
5235
5236 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
5237 {
5238 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5239 "%s: Rx done task: scheduling again\n",
5240 device_get_nameunit(sc->dev));
5241
5242 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5243 }
5244 else
5245 {
5246 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
5247 }
5248
5249 RT2860_SOFTC_UNLOCK(sc);
5250 }
5251
5252 /*
5253 * rt2860_tx_done_task
5254 */
5255 static void rt2860_tx_done_task(void *context, int pending)
5256 {
5257 struct rt2860_softc *sc;
5258 struct ifnet *ifp;
5259 uint32_t intr_mask;
5260 int i;
5261
5262 sc = context;
5263 ifp = sc->ifp;
5264
5265 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5266 "%s: Tx done task\n",
5267 device_get_nameunit(sc->dev));
5268
5269 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5270 return;
5271
5272 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
5273 {
5274 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
5275 {
5276 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
5277
5278 rt2860_tx_eof(sc, &sc->tx_ring[i]);
5279 }
5280 }
5281
5282 sc->tx_timer = 0;
5283
5284 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5285
5286 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
5287 RT2860_REG_INT_TX_HCCA_DONE |
5288 RT2860_REG_INT_TX_AC3_DONE |
5289 RT2860_REG_INT_TX_AC2_DONE |
5290 RT2860_REG_INT_TX_AC1_DONE |
5291 RT2860_REG_INT_TX_AC0_DONE);
5292
5293 RT2860_SOFTC_LOCK(sc);
5294
5295 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
5296 (sc->intr_disable_mask & intr_mask));
5297
5298 if (sc->intr_pending_mask & intr_mask)
5299 {
5300 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5301 "%s: Tx done task: scheduling again\n",
5302 device_get_nameunit(sc->dev));
5303
5304 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5305 }
5306
5307 RT2860_SOFTC_UNLOCK(sc);
5308
5309 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5310 rt2860_start(ifp);
5311 }
5312
5313 /*
5314 * rt2860_fifo_sta_full_task
5315 */
5316 static void rt2860_fifo_sta_full_task(void *context, int pending)
5317 {
5318 struct rt2860_softc *sc;
5319 struct ifnet *ifp;
5320
5321 sc = context;
5322 ifp = sc->ifp;
5323
5324 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5325 "%s: FIFO statistic full task\n",
5326 device_get_nameunit(sc->dev));
5327
5328 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5329 return;
5330
5331 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
5332
5333 rt2860_drain_fifo_stats(sc);
5334
5335 RT2860_SOFTC_LOCK(sc);
5336
5337 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
5338 {
5339 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5340 "%s: FIFO statistic full task: scheduling again\n",
5341 device_get_nameunit(sc->dev));
5342
5343 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5344 }
5345 else
5346 {
5347 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5348 }
5349
5350 RT2860_SOFTC_UNLOCK(sc);
5351
5352 if (!IFQ_IS_EMPTY(&ifp->if_snd))
5353 rt2860_start(ifp);
5354 }
5355
5356 /*
5357 * rt2860_periodic_task
5358 */
5359 static void rt2860_periodic_task(void *context, int pending)
5360 {
5361 struct rt2860_softc *sc;
5362 struct ifnet *ifp;
5363 struct ieee80211com *ic;
5364 struct ieee80211vap *vap;
5365
5366 sc = context;
5367 ifp = sc->ifp;
5368 ic = ifp->if_l2com;
5369 vap = TAILQ_FIRST(&ic->ic_vaps);
5370
5371 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5372 "%s: periodic task: round=%lu\n",
5373 device_get_nameunit(sc->dev), sc->periodic_round);
5374
5375 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5376 return;
5377
5378 RT2860_SOFTC_LOCK(sc);
5379
5380 sc->periodic_round++;
5381
5382 rt2860_update_stats(sc);
5383
5384 if ((sc->periodic_round % 10) == 0)
5385 {
5386 rt2860_bbp_tuning(sc);
5387
5388 rt2860_update_raw_counters(sc);
5389
5390 rt2860_watchdog(sc);
5391
5392 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5393 {
5394 if (vap->iv_opmode == IEEE80211_M_STA)
5395 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5396 else
5397 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5398 }
5399 }
5400
5401 RT2860_SOFTC_UNLOCK(sc);
5402
5403 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5404 }
5405
5406 /*
5407 * rt2860_rx_eof
5408 */
5409 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5410 {
5411 struct ifnet *ifp;
5412 struct ieee80211com *ic;
5413 struct ieee80211_frame *wh;
5414 struct ieee80211_node *ni;
5415 struct rt2860_softc_node *rni;
5416 struct rt2860_softc_rx_radiotap_header *tap;
5417 struct rt2860_softc_rx_ring *ring;
5418 struct rt2860_rxdesc *desc;
5419 struct rt2860_softc_rx_data *data;
5420 struct rt2860_rxwi *rxwi;
5421 struct mbuf *m, *mnew;
5422 bus_dma_segment_t segs[1];
5423 bus_dmamap_t dma_map;
5424 uint32_t index, desc_flags;
5425 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
5426 uint16_t seq;
5427 int8_t rssi_dbm;
5428 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5429
5430 ifp = sc->ifp;
5431 ic = ifp->if_l2com;
5432 ring = &sc->rx_ring;
5433
5434 nframes = 0;
5435
5436 while (limit != 0)
5437 {
5438 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5439 if (ring->cur == index)
5440 break;
5441
5442 desc = &ring->desc[ring->cur];
5443 data = &ring->data[ring->cur];
5444
5445 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5446 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5447
5448 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5449 break;
5450
5451 nframes++;
5452
5453 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5454 if (mnew == NULL)
5455 {
5456 sc->rx_mbuf_alloc_errors++;
5457 ifp->if_ierrors++;
5458 goto skip;
5459 }
5460
5461 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5462
5463 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5464 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5465 if (error != 0)
5466 {
5467 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5468 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5469 device_get_nameunit(sc->dev), error, nsegs);
5470
5471 m_freem(mnew);
5472
5473 sc->rx_mbuf_dmamap_errors++;
5474 ifp->if_ierrors++;
5475
5476 goto skip;
5477 }
5478
5479 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5480 device_get_nameunit(sc->dev)));
5481
5482 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5483 BUS_DMASYNC_POSTREAD);
5484 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5485
5486 dma_map = data->dma_map;
5487 data->dma_map = ring->spare_dma_map;
5488 ring->spare_dma_map = dma_map;
5489
5490 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5491 BUS_DMASYNC_PREREAD);
5492
5493 m = data->m;
5494
5495 data->m = mnew;
5496 desc->sdp0 = htole32(segs[0].ds_addr);
5497
5498 desc_flags = le32toh(desc->flags);
5499
5500 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5501 "%s: Rx frame: rxdesc flags=0x%08x\n",
5502 device_get_nameunit(sc->dev), desc_flags);
5503
5504 /* get Rx wireless info */
5505
5506 rxwi = mtod(m, struct rt2860_rxwi *);
5507 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5508 RT2860_RXWI_SIZE_MASK;
5509
5510 /* check for L2 padding between IEEE 802.11 frame header and body */
5511
5512 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5513 {
5514 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5515 "%s: L2 padding: len=%d\n",
5516 device_get_nameunit(sc->dev), len);
5517
5518 len += 2;
5519 }
5520
5521 m->m_pkthdr.rcvif = ifp;
5522 m->m_data = (caddr_t) (rxwi + 1);
5523 m->m_pkthdr.len = m->m_len = len;
5524
5525 /* check for crc errors */
5526
5527 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5528 {
5529 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5530 "%s: rxdesc: crc error\n",
5531 device_get_nameunit(sc->dev));
5532
5533 ifp->if_ierrors++;
5534
5535 if (!(ifp->if_flags & IFF_PROMISC))
5536 {
5537 m_freem(m);
5538 goto skip;
5539 }
5540 }
5541
5542 wh = (struct ieee80211_frame *) (rxwi + 1);
5543
5544 /* check for cipher errors */
5545
5546 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5547 {
5548 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5549 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5550 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5551 {
5552 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5553 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5554
5555 m->m_flags |= M_WEP;
5556
5557 sc->rx_cipher_no_errors++;
5558 }
5559 else
5560 {
5561 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5562 "%s: rxdesc: cipher error=0x%02x\n",
5563 device_get_nameunit(sc->dev), cipher_err);
5564
5565 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5566 sc->rx_cipher_icv_errors++;
5567 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5568 sc->rx_cipher_mic_errors++;
5569 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5570 sc->rx_cipher_invalid_key_errors++;
5571
5572 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5573 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5574 {
5575 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5576 if (ni != NULL)
5577 {
5578 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5579 RT2860_RXWI_KEYIDX_MASK;
5580
5581 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5582
5583 ieee80211_free_node(ni);
5584 }
5585 }
5586
5587 ifp->if_ierrors++;
5588
5589 if (!(ifp->if_flags & IFF_PROMISC))
5590 {
5591 m_free(m);
5592 goto skip;
5593 }
5594 }
5595 }
5596 else
5597 {
5598 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5599 {
5600 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5601 "%s: rxdesc: not decrypted but protected flag set\n",
5602 device_get_nameunit(sc->dev));
5603
5604 ifp->if_ierrors++;
5605
5606 if (!(ifp->if_flags & IFF_PROMISC))
5607 {
5608 m_free(m);
5609 goto skip;
5610 }
5611 }
5612 }
5613
5614 /* check for A-MPDU */
5615
5616 if (desc_flags & RT2860_RXDESC_FLAGS_BA)
5617 {
5618 m->m_flags |= M_AMPDU;
5619
5620 sc->rx_ampdu++;
5621
5622 ampdu = 1;
5623 }
5624 else
5625 {
5626 ampdu = 0;
5627 }
5628
5629 /* check for A-MSDU */
5630
5631 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5632 {
5633 sc->rx_amsdu++;
5634
5635 amsdu = 1;
5636 }
5637 else
5638 {
5639 amsdu = 0;
5640 }
5641
5642 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5643 rssi = rxwi->rssi[ant];
5644 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5645 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5646 RT2860_RXWI_PHYMODE_MASK);
5647 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5648 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5649 RT2860_RXWI_SHORTGI_MASK);
5650 stbc = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_STBC_SHIFT) &
5651 RT2860_RXWI_STBC_MASK);
5652 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5653 tid = ((rxwi->tid_size >> RT2860_RXWI_TID_SHIFT) & RT2860_RXWI_TID_MASK);
5654 seq = ((rxwi->seq_frag >> RT2860_RXWI_SEQ_SHIFT) & RT2860_RXWI_SEQ_MASK);
5655 frag = ((rxwi->seq_frag >> RT2860_RXWI_FRAG_SHIFT) & RT2860_RXWI_FRAG_MASK);
5656
5657 if (ieee80211_radiotap_active(ic))
5658 {
5659 tap = &sc->rxtap;
5660
5661 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5662 tap->dbm_antsignal = rssi_dbm;
5663 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5664 tap->antenna = ant;
5665 tap->antsignal = rssi;
5666 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5667 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5668 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5669 tap->chan_maxpow = 0;
5670
5671 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5672 tap->rate = mcs | IEEE80211_RATE_MCS;
5673 else
5674 tap->rate = rt2860_rxrate(rxwi);
5675
5676 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5677 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5678
5679 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5680 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5681
5682 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5683 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5684
5685 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5686 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5687 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5688
5689 if (shortgi)
5690 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5691 }
5692
5693 /*
5694 * net80211 assumes that RSSI data are in the range [-127..127] and
5695 * in .5 dBm units relative to the current noise floor
5696 */
5697
5698 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5699 if (rssi_dbm_rel > 127)
5700 rssi_dbm_rel = 127;
5701
5702 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5703 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
5704 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
5705 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5706 device_get_nameunit(sc->dev),
5707 len, phymode, bw, shortgi, stbc, mcs,
5708 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5709 rxwi->snr[0], rxwi->snr[1],
5710 rxwi->wcid, ampdu, amsdu, tid, seq, frag, rssi_dbm, rssi_dbm_rel);
5711
5712 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5713 if (ni != NULL)
5714 {
5715 rni = (struct rt2860_softc_node *) ni;
5716
5717 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5718 {
5719 rni->last_rssi[i] = rxwi->rssi[i];
5720 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5721 }
5722
5723 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5724 ieee80211_free_node(ni);
5725 }
5726 else
5727 {
5728 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5729 }
5730
5731 skip:
5732
5733 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5734
5735 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5736 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5737
5738 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5739
5740 limit--;
5741 }
5742
5743 if (ring->cur == 0)
5744 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5745 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5746 else
5747 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5748 ring->cur - 1);
5749
5750 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5751 "%s: Rx eof: nframes=%d\n",
5752 device_get_nameunit(sc->dev), nframes);
5753
5754 sc->rx_packets += nframes;
5755
5756 return (limit == 0);
5757 }
5758
5759 /*
5760 * rt2860_tx_eof
5761 */
5762 static void rt2860_tx_eof(struct rt2860_softc *sc,
5763 struct rt2860_softc_tx_ring *ring)
5764 {
5765 struct ifnet *ifp;
5766 struct rt2860_txdesc *desc;
5767 struct rt2860_softc_tx_data *data;
5768 uint32_t index;
5769 int ndescs, nframes;
5770
5771 ifp = sc->ifp;
5772
5773 ndescs = 0;
5774 nframes = 0;
5775
5776 for (;;)
5777 {
5778 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5779 if (ring->desc_next == index)
5780 break;
5781
5782 ndescs++;
5783
5784 rt2860_drain_fifo_stats(sc);
5785
5786 desc = &ring->desc[ring->desc_next];
5787
5788 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5789 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5790
5791 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5792 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5793 {
5794 nframes++;
5795
5796 data = &ring->data[ring->data_next];
5797
5798 if (data->m->m_flags & M_TXCB)
5799 ieee80211_process_callback(data->ni, data->m, 0);
5800
5801 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5802 BUS_DMASYNC_POSTWRITE);
5803 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5804
5805 m_freem(data->m);
5806
5807 ieee80211_free_node(data->ni);
5808
5809 data->m = NULL;
5810 data->ni = NULL;
5811
5812 ifp->if_opackets++;
5813
5814 RT2860_SOFTC_TX_RING_LOCK(ring);
5815
5816 ring->data_queued--;
5817 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5818
5819 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5820 }
5821
5822 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5823
5824 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5825 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5826
5827 RT2860_SOFTC_TX_RING_LOCK(ring);
5828
5829 ring->desc_queued--;
5830 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5831
5832 RT2860_SOFTC_TX_RING_UNLOCK(ring);
5833 }
5834
5835 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5836 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5837 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5838 }
5839
5840 /*
5841 * rt2860_update_stats
5842 */
5843 static void rt2860_update_stats(struct rt2860_softc *sc)
5844 {
5845 struct ifnet *ifp;
5846 struct ieee80211com *ic;
5847 uint32_t stacnt[3];
5848 int beacons, noretryok, retryok, failed, underflows, zerolen;
5849
5850 ifp = sc->ifp;
5851 ic = ifp->if_l2com;
5852
5853 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5854 "%s: update statistic\n",
5855 device_get_nameunit(sc->dev));
5856
5857 rt2860_drain_fifo_stats(sc);
5858
5859 /* read and clear Tx statistic registers */
5860
5861 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5862 stacnt, sizeof(stacnt));
5863
5864 stacnt[0] = le32toh(stacnt[0]);
5865 stacnt[1] = le32toh(stacnt[1]);
5866 stacnt[2] = le32toh(stacnt[2]);
5867
5868 beacons = stacnt[0] >> 16;
5869 noretryok = stacnt[1] & 0xffff;
5870 retryok = stacnt[1] >> 16;
5871 failed = stacnt[0] & 0xffff;
5872 underflows = stacnt[2] >> 16;
5873 zerolen = stacnt[2] & 0xffff;
5874
5875 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5876 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5877 device_get_nameunit(sc->dev),
5878 beacons, noretryok, retryok, failed, underflows, zerolen);
5879
5880 ifp->if_oerrors += failed;
5881
5882 sc->tx_beacons += beacons;
5883 sc->tx_noretryok += noretryok;
5884 sc->tx_retryok += retryok;
5885 sc->tx_failed += failed;
5886 sc->tx_underflows += underflows;
5887 sc->tx_zerolen += zerolen;
5888 }
5889
5890 /*
5891 * rt2860_bbp_tuning
5892 */
5893 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5894 {
5895 struct ifnet *ifp;
5896 struct ieee80211com *ic;
5897 struct ieee80211vap *vap;
5898 struct ieee80211_node *ni;
5899 int chan, group;
5900 int8_t rssi, old, new;
5901
5902 /* RT2860C does not support BBP tuning */
5903
5904 if (sc->mac_rev == 0x28600100)
5905 return;
5906
5907 ifp = sc->ifp;
5908 ic = ifp->if_l2com;
5909 vap = TAILQ_FIRST(&ic->ic_vaps);
5910
5911 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5912 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5913 return;
5914
5915 ni = vap->iv_bss;
5916
5917 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5918
5919 if (chan <= 14)
5920 group = 0;
5921 else if (chan <= 64)
5922 group = 1;
5923 else if (chan <= 128)
5924 group = 2;
5925 else
5926 group = 3;
5927
5928 rssi = ieee80211_getrssi(vap);
5929
5930 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5931 {
5932 new = 0x2e + sc->lna_gain[group];
5933 }
5934 else
5935 {
5936 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5937 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5938 else
5939 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5940 }
5941
5942 /* Tune if absolute average RSSI is greater than -80 */
5943
5944 if (rssi > 30)
5945 new += 0x10;
5946
5947 old = rt2860_io_bbp_read(sc, 66);
5948
5949 if (old != new)
5950 rt2860_io_bbp_write(sc, 66, new);
5951 }
5952
5953 /*
5954 * rt2860_watchdog
5955 */
5956 static void rt2860_watchdog(struct rt2860_softc *sc)
5957 {
5958 uint32_t tmp;
5959 int ntries;
5960
5961 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5962
5963 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5964 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5965 device_get_nameunit(sc->dev), tmp);
5966
5967 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5968 {
5969 sc->tx_queue_not_empty[0]++;
5970
5971 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5972
5973 for (ntries = 0; ntries < 10; ntries++)
5974 {
5975 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5976 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5977 break;
5978
5979 DELAY(1);
5980 }
5981
5982 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5983 }
5984
5985 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5986 {
5987 sc->tx_queue_not_empty[1]++;
5988
5989 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5990
5991 for (ntries = 0; ntries < 10; ntries++)
5992 {
5993 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5994 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5995 break;
5996
5997 DELAY(1);
5998 }
5999
6000 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
6001 }
6002 }
6003
6004 /*
6005 * rt2860_drain_fifo_stats
6006 */
6007 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
6008 {
6009 struct ifnet *ifp;
6010 uint32_t stats;
6011 uint8_t wcid, mcs, pid;
6012 int ok, agg, retrycnt;
6013
6014 ifp = sc->ifp;
6015
6016 /* drain Tx status FIFO (maxsize = 16) */
6017
6018 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
6019 RT2860_REG_TX_STA_FIFO_VALID)
6020 {
6021 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
6022 RT2860_REG_TX_STA_FIFO_WCID_MASK;
6023
6024 /* if no ACK was requested, no feedback is available */
6025
6026 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2860_WCID_RESERVED)
6027 continue;
6028
6029 /* update AMRR statistic */
6030
6031 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
6032 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
6033 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
6034 RT2860_REG_TX_STA_FIFO_MCS_MASK;
6035 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
6036 RT2860_REG_TX_STA_FIFO_PID_MASK;
6037 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
6038
6039 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
6040 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
6041 device_get_nameunit(sc->dev),
6042 wcid, ok, agg, mcs, pid, retrycnt);
6043
6044 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
6045
6046 if (!ok)
6047 ifp->if_oerrors++;
6048 }
6049 }
6050
6051 /*
6052 * rt2860_update_raw_counters
6053 */
6054 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
6055 {
6056 uint32_t tmp;
6057
6058 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
6059
6060 sc->tx_nonagg += tmp & 0xffff;
6061 sc->tx_agg += tmp >> 16;
6062
6063 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
6064
6065 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
6066
6067 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
6068
6069 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
6070
6071 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
6072
6073 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
6074
6075 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
6076
6077 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6078
6079 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
6080
6081 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6082
6083 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
6084
6085 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6086
6087 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
6088
6089 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6090
6091 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
6092
6093 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6094
6095 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
6096
6097 sc->rx_crc_errors += tmp & 0xffff;
6098 sc->rx_phy_errors += tmp >> 16;
6099
6100 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
6101
6102 sc->rx_false_ccas += tmp & 0xffff;
6103 sc->rx_plcp_errors += tmp >> 16;
6104
6105 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
6106
6107 sc->rx_dup_packets += tmp & 0xffff;
6108 sc->rx_fifo_overflows += tmp >> 16;
6109
6110 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
6111
6112 sc->tx_mpdu_zero_density += tmp & 0xffff;
6113 sc->rx_mpdu_zero_density += tmp >> 16;
6114 }
6115
6116 /*
6117 * rt2860_intr_enable
6118 */
6119 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
6120 {
6121 uint32_t tmp;
6122
6123 sc->intr_disable_mask &= ~intr_mask;
6124
6125 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6126
6127 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6128 }
6129
6130 /*
6131 * rt2860_intr_disable
6132 */
6133 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
6134 {
6135 uint32_t tmp;
6136
6137 sc->intr_disable_mask |= intr_mask;
6138
6139 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
6140
6141 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
6142 }
6143
6144 /*
6145 * rt2860_txrx_enable
6146 */
6147 static int rt2860_txrx_enable(struct rt2860_softc *sc)
6148 {
6149 struct ieee80211com *ic;
6150 struct ifnet *ifp;
6151 uint32_t tmp;
6152 int ntries;
6153
6154 ifp = sc->ifp;
6155 ic = ifp->if_l2com;
6156
6157 /* enable Tx/Rx DMA engine */
6158
6159 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
6160
6161 for (ntries = 0; ntries < 200; ntries++)
6162 {
6163 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
6164 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
6165 break;
6166
6167 DELAY(1000);
6168 }
6169
6170 if (ntries == 200)
6171 {
6172 printf("%s: timeout waiting for DMA engine\n",
6173 device_get_nameunit(sc->dev));
6174 return -1;
6175 }
6176
6177 DELAY(50);
6178
6179 tmp |= RT2860_REG_TX_WB_DDONE |
6180 RT2860_REG_RX_DMA_ENABLE |
6181 RT2860_REG_TX_DMA_ENABLE |
6182 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
6183
6184 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6185
6186 /* set Rx filter */
6187
6188 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
6189 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
6190
6191 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6192 {
6193 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
6194 RT2860_REG_RX_FILTER_DROP_CTS |
6195 RT2860_REG_RX_FILTER_DROP_BA |
6196 RT2860_REG_RX_FILTER_DROP_ACK |
6197 RT2860_REG_RX_FILTER_DROP_VER_ERR |
6198 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
6199 RT2860_REG_RX_FILTER_DROP_CFACK |
6200 RT2860_REG_RX_FILTER_DROP_CFEND;
6201
6202 if (ic->ic_opmode == IEEE80211_M_STA)
6203 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
6204 RT2860_REG_RX_FILTER_DROP_PSPOLL;
6205
6206 if (!(ifp->if_flags & IFF_PROMISC))
6207 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
6208 }
6209
6210 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
6211
6212 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
6213 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
6214
6215 return 0;
6216 }
6217
6218 /*
6219 * rt2860_alloc_rx_ring
6220 */
6221 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
6222 struct rt2860_softc_rx_ring *ring)
6223 {
6224 struct rt2860_rxdesc *desc;
6225 struct rt2860_softc_rx_data *data;
6226 bus_dma_segment_t segs[1];
6227 int i, nsegs, error;
6228
6229 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6230 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6231 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
6232 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6233 0, NULL, NULL, &ring->desc_dma_tag);
6234 if (error != 0)
6235 {
6236 printf("%s: could not create Rx desc DMA tag\n",
6237 device_get_nameunit(sc->dev));
6238 goto fail;
6239 }
6240
6241 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6242 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6243 if (error != 0)
6244 {
6245 printf("%s: could not allocate Rx desc DMA memory\n",
6246 device_get_nameunit(sc->dev));
6247 goto fail;
6248 }
6249
6250 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6251 ring->desc,
6252 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6253 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6254 if (error != 0)
6255 {
6256 printf("%s: could not load Rx desc DMA map\n",
6257 device_get_nameunit(sc->dev));
6258 goto fail;
6259 }
6260
6261 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6262 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6263 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
6264 &ring->data_dma_tag);
6265 if (error != 0)
6266 {
6267 printf("%s: could not create Rx data DMA tag\n",
6268 device_get_nameunit(sc->dev));
6269 goto fail;
6270 }
6271
6272 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6273 {
6274 desc = &ring->desc[i];
6275 data = &ring->data[i];
6276
6277 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6278 if (error != 0)
6279 {
6280 printf("%s: could not create Rx data DMA map\n",
6281 device_get_nameunit(sc->dev));
6282 goto fail;
6283 }
6284
6285 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
6286 if (data->m == NULL)
6287 {
6288 printf("%s: could not allocate Rx mbuf\n",
6289 device_get_nameunit(sc->dev));
6290 error = ENOMEM;
6291 goto fail;
6292 }
6293
6294 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
6295
6296 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
6297 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
6298 if (error != 0)
6299 {
6300 printf("%s: could not load Rx mbuf DMA map\n",
6301 device_get_nameunit(sc->dev));
6302 goto fail;
6303 }
6304
6305 KASSERT(nsegs == 1, ("%s: too many DMA segments",
6306 device_get_nameunit(sc->dev)));
6307
6308 desc->sdp0 = htole32(segs[0].ds_addr);
6309 desc->sdl0 = htole16(MJUMPAGESIZE);
6310 }
6311
6312 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
6313 if (error != 0)
6314 {
6315 printf("%s: could not create Rx spare DMA map\n",
6316 device_get_nameunit(sc->dev));
6317 goto fail;
6318 }
6319
6320 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6321 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6322
6323 return 0;
6324
6325 fail:
6326
6327 rt2860_free_rx_ring(sc, ring);
6328
6329 return error;
6330 }
6331
6332 /*
6333 * rt2860_reset_rx_ring
6334 */
6335 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
6336 struct rt2860_softc_rx_ring *ring)
6337 {
6338 struct rt2860_rxdesc *desc;
6339 int i;
6340
6341 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6342 {
6343 desc = &ring->desc[i];
6344
6345 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
6346 }
6347
6348 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6349 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6350
6351 ring->cur = 0;
6352 }
6353
6354 /*
6355 * rt2860_free_rx_ring
6356 */
6357 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
6358 struct rt2860_softc_rx_ring *ring)
6359 {
6360 struct rt2860_softc_rx_data *data;
6361 int i;
6362
6363 if (ring->desc != NULL)
6364 {
6365 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6366 BUS_DMASYNC_POSTWRITE);
6367 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6368 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6369 ring->desc_dma_map);
6370 }
6371
6372 if (ring->desc_dma_tag != NULL)
6373 bus_dma_tag_destroy(ring->desc_dma_tag);
6374
6375 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6376 {
6377 data = &ring->data[i];
6378
6379 if (data->m != NULL)
6380 {
6381 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6382 BUS_DMASYNC_POSTREAD);
6383 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6384 m_freem(data->m);
6385 }
6386
6387 if (data->dma_map != NULL)
6388 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6389 }
6390
6391 if (ring->spare_dma_map != NULL)
6392 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6393
6394 if (ring->data_dma_tag != NULL)
6395 bus_dma_tag_destroy(ring->data_dma_tag);
6396 }
6397
6398 /*
6399 * rt2860_alloc_tx_ring
6400 */
6401 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6402 struct rt2860_softc_tx_ring *ring, int qid)
6403 {
6404 struct rt2860_softc_tx_data *data;
6405 int error, i;
6406
6407 mtx_init(&ring->lock, device_get_nameunit(sc->dev), NULL, MTX_DEF);
6408
6409 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6410 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6411 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6412 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6413 0, NULL, NULL, &ring->desc_dma_tag);
6414 if (error != 0)
6415 {
6416 printf("%s: could not create Tx desc DMA tag\n",
6417 device_get_nameunit(sc->dev));
6418 goto fail;
6419 }
6420
6421 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6422 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6423 if (error != 0)
6424 {
6425 printf("%s: could not allocate Tx desc DMA memory\n",
6426 device_get_nameunit(sc->dev));
6427 goto fail;
6428 }
6429
6430 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6431 ring->desc,
6432 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6433 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6434 if (error != 0)
6435 {
6436 printf("%s: could not load Tx desc DMA map\n",
6437 device_get_nameunit(sc->dev));
6438 goto fail;
6439 }
6440
6441 ring->desc_queued = 0;
6442 ring->desc_cur = 0;
6443 ring->desc_next = 0;
6444
6445 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6446 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6447 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6448 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6449 0, NULL, NULL, &ring->seg0_dma_tag);
6450 if (error != 0)
6451 {
6452 printf("%s: could not create Tx seg0 DMA tag\n",
6453 device_get_nameunit(sc->dev));
6454 goto fail;
6455 }
6456
6457 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6458 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6459 if (error != 0)
6460 {
6461 printf("%s: could not allocate Tx seg0 DMA memory\n",
6462 device_get_nameunit(sc->dev));
6463 goto fail;
6464 }
6465
6466 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6467 ring->seg0,
6468 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6469 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6470 if (error != 0)
6471 {
6472 printf("%s: could not load Tx seg0 DMA map\n",
6473 device_get_nameunit(sc->dev));
6474 goto fail;
6475 }
6476
6477 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6478 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6479 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6480 &ring->data_dma_tag);
6481 if (error != 0)
6482 {
6483 printf("%s: could not create Tx data DMA tag\n",
6484 device_get_nameunit(sc->dev));
6485 goto fail;
6486 }
6487
6488 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6489 {
6490 data = &ring->data[i];
6491
6492 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6493 if (error != 0)
6494 {
6495 printf("%s: could not create Tx data DMA map\n",
6496 device_get_nameunit(sc->dev));
6497 goto fail;
6498 }
6499 }
6500
6501 ring->data_queued = 0;
6502 ring->data_cur = 0;
6503 ring->data_next = 0;
6504
6505 ring->qid = qid;
6506
6507 return 0;
6508
6509 fail:
6510
6511 rt2860_free_tx_ring(sc, ring);
6512
6513 return error;
6514 }
6515
6516 /*
6517 * rt2860_reset_tx_ring
6518 */
6519 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6520 struct rt2860_softc_tx_ring *ring)
6521 {
6522 struct rt2860_softc_tx_data *data;
6523 struct rt2860_txdesc *desc;
6524 int i;
6525
6526 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6527 {
6528 desc = &ring->desc[i];
6529
6530 desc->sdl0 = 0;
6531 desc->sdl1 = 0;
6532 }
6533
6534 ring->desc_queued = 0;
6535 ring->desc_cur = 0;
6536 ring->desc_next = 0;
6537
6538 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6539 BUS_DMASYNC_PREWRITE);
6540
6541 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6542 BUS_DMASYNC_PREWRITE);
6543
6544 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6545 {
6546 data = &ring->data[i];
6547
6548 if (data->m != NULL)
6549 {
6550 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6551 BUS_DMASYNC_POSTWRITE);
6552 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6553 m_freem(data->m);
6554 data->m = NULL;
6555 }
6556
6557 if (data->ni != NULL)
6558 {
6559 ieee80211_free_node(data->ni);
6560 data->ni = NULL;
6561 }
6562 }
6563
6564 ring->data_queued = 0;
6565 ring->data_cur = 0;
6566 ring->data_next = 0;
6567 }
6568
6569 /*
6570 * rt2860_free_tx_ring
6571 */
6572 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6573 struct rt2860_softc_tx_ring *ring)
6574 {
6575 struct rt2860_softc_tx_data *data;
6576 int i;
6577
6578 if (ring->desc != NULL)
6579 {
6580 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6581 BUS_DMASYNC_POSTWRITE);
6582 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6583 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6584 ring->desc_dma_map);
6585 }
6586
6587 if (ring->desc_dma_tag != NULL)
6588 bus_dma_tag_destroy(ring->desc_dma_tag);
6589
6590 if (ring->seg0 != NULL)
6591 {
6592 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6593 BUS_DMASYNC_POSTWRITE);
6594 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6595 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6596 ring->seg0_dma_map);
6597 }
6598
6599 if (ring->seg0_dma_tag != NULL)
6600 bus_dma_tag_destroy(ring->seg0_dma_tag);
6601
6602 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6603 {
6604 data = &ring->data[i];
6605
6606 if (data->m != NULL)
6607 {
6608 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6609 BUS_DMASYNC_POSTWRITE);
6610 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6611 m_freem(data->m);
6612 }
6613
6614 if (data->ni != NULL)
6615 ieee80211_free_node(data->ni);
6616
6617 if (data->dma_map != NULL)
6618 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6619 }
6620
6621 if (ring->data_dma_tag != NULL)
6622 bus_dma_tag_destroy(ring->data_dma_tag);
6623
6624 mtx_destroy(&ring->lock);
6625 }
6626
6627 /*
6628 * rt2860_dma_map_addr
6629 */
6630 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6631 int nseg, int error)
6632 {
6633 if (error != 0)
6634 return;
6635
6636 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6637
6638 *(bus_addr_t *) arg = segs[0].ds_addr;
6639 }
6640
6641 /*
6642 * rt2860_sysctl_attach
6643 */
6644 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6645 {
6646 struct sysctl_ctx_list *ctx;
6647 struct sysctl_oid *tree;
6648 struct sysctl_oid *stats;
6649
6650 ctx = device_get_sysctl_ctx(sc->dev);
6651 tree = device_get_sysctl_tree(sc->dev);
6652
6653 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6654 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6655 "Tx STBC");
6656
6657 /* statistic counters */
6658
6659 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6660 "stats", CTLFLAG_RD, 0, "statistic");
6661
6662 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6663 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6664 "all interrupts");
6665
6666 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6667 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6668 "Tx coherent interrupts");
6669
6670 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6671 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6672 "Rx coherent interrupts");
6673
6674 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6675 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6676 "Tx/Rx coherent interrupts");
6677
6678 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6679 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6680 "FIFO statistic full interrupts");
6681
6682 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6683 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6684 "Rx interrupts");
6685
6686 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6687 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6688 "Rx delay interrupts");
6689
6690 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6691 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6692 "Tx MGMT interrupts");
6693
6694 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6695 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6696 "Tx HCCA interrupts");
6697
6698 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6699 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6700 "Tx AC3 interrupts");
6701
6702 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6703 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6704 "Tx AC2 interrupts");
6705
6706 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6707 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6708 "Tx AC1 interrupts");
6709
6710 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6711 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6712 "Tx AC0 interrupts");
6713
6714 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6715 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6716 "Tx delay interrupts");
6717
6718 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6719 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6720 "Pre-TBTT interrupts");
6721
6722 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6723 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6724 "TBTT interrupts");
6725
6726 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6727 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6728 "MCU command interrupts");
6729
6730 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6731 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6732 "auto wakeup interrupts");
6733
6734 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6735 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6736 "GP timer interrupts");
6737
6738 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6739 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6740 "Tx MGMT descriptors queued");
6741
6742 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6743 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6744 "Tx MGMT data queued");
6745
6746 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6747 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6748 "Tx HCCA descriptors queued");
6749
6750 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6751 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6752 "Tx HCCA data queued");
6753
6754 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6755 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6756 "Tx AC3 descriptors queued");
6757
6758 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6759 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6760 "Tx AC3 data queued");
6761
6762 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6763 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6764 "Tx AC2 descriptors queued");
6765
6766 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6767 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6768 "Tx AC2 data queued");
6769
6770 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6771 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6772 "Tx AC1 descriptors queued");
6773
6774 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6775 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6776 "Tx AC1 data queued");
6777
6778 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6779 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6780 "Tx AC0 descriptors queued");
6781
6782 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6783 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6784 "Tx AC0 data queued");
6785
6786 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6787 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6788 "Tx MGMT data queue full");
6789
6790 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6791 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6792 "Tx HCCA data queue full");
6793
6794 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6795 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6796 "Tx AC3 data queue full");
6797
6798 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6799 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6800 "Tx AC2 data queue full");
6801
6802 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6803 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6804 "Tx AC1 data queue full");
6805
6806 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6807 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6808 "Tx AC0 data queue full");
6809
6810 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6811 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6812 "Tx watchdog timeouts");
6813
6814 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6815 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6816 "Tx defragmented packets");
6817
6818 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6819 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6820 "no Tx descriptors available");
6821
6822 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6823 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6824 "Rx mbuf allocation errors");
6825
6826 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6827 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6828 "Rx mbuf DMA mapping errors");
6829
6830 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6831 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6832 "Tx queue 0 not empty");
6833
6834 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6835 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6836 "Tx queue 1 not empty");
6837
6838 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6839 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6840 "Tx beacons");
6841
6842 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6843 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6844 "Tx successfull without retries");
6845
6846 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6847 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6848 "Tx successfull with retries");
6849
6850 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6851 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6852 "Tx failed");
6853
6854 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6855 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6856 "Tx underflows");
6857
6858 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6859 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6860 "Tx zero length");
6861
6862 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6863 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6864 "Tx non-aggregated");
6865
6866 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6867 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6868 "Tx aggregated");
6869
6870 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6871 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6872 "Tx A-MPDU");
6873
6874 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6875 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6876 "Tx MPDU with zero density");
6877
6878 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6879 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6880 "Tx A-MPDU sessions");
6881
6882 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6883 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6884 "Rx packets");
6885
6886 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6887 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6888 "Rx A-MPDU");
6889
6890 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6891 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6892 "Rx MPDU with zero density");
6893
6894 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6895 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6896 "Rx A-MSDU");
6897
6898 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6899 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6900 "Rx CRC errors");
6901
6902 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6903 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6904 "Rx PHY errors");
6905
6906 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6907 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6908 "Rx false CCAs");
6909
6910 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6911 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6912 "Rx PLCP errors");
6913
6914 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6915 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6916 "Rx duplicate packets");
6917
6918 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6919 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6920 "Rx FIFO overflows");
6921
6922 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6923 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6924 "Rx cipher no errors");
6925
6926 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6927 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6928 "Rx cipher ICV errors");
6929
6930 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6931 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6932 "Rx cipher MIC errors");
6933
6934 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6935 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6936 "Rx cipher invalid key errors");
6937 }
6938
6939 static device_method_t rt2860_dev_methods[] =
6940 {
6941 DEVMETHOD(device_probe, rt2860_probe),
6942 DEVMETHOD(device_attach, rt2860_attach),
6943 DEVMETHOD(device_detach, rt2860_detach),
6944 DEVMETHOD(device_shutdown, rt2860_shutdown),
6945 DEVMETHOD(device_suspend, rt2860_suspend),
6946 DEVMETHOD(device_resume, rt2860_resume),
6947 { 0, 0 }
6948 };
6949
6950 static driver_t rt2860_driver =
6951 {
6952 "rt2860",
6953 rt2860_dev_methods,
6954 sizeof(struct rt2860_softc)
6955 };
6956
6957 static devclass_t rt2860_dev_class;
6958
6959 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6960
6961 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6962 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860