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Fallback Tx rate for MCS8 is MCS7
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blobb642282034f925637d0627a9cdaf05a2ee53502b
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 /*
61 * Data structures and types
62 */
63
64 struct rt2860_pci_ident
65 {
66 uint16_t vendor;
67 uint16_t device;
68 const char *name;
69 };
70
71 /*
72 * Static function prototypes
73 */
74
75 static int rt2860_probe(device_t dev);
76
77 static int rt2860_attach(device_t dev);
78
79 static int rt2860_detach(device_t dev);
80
81 static int rt2860_shutdown(device_t dev);
82
83 static int rt2860_suspend(device_t dev);
84
85 static int rt2860_resume(device_t dev);
86
87 static void rt2860_init_channels(struct rt2860_softc *sc);
88
89 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
90
91 static void rt2860_init_locked(void *priv);
92
93 static void rt2860_init(void *priv);
94
95 static int rt2860_init_bbp(struct rt2860_softc *sc);
96
97 static void rt2860_stop_locked(void *priv);
98
99 static void rt2860_stop(void *priv);
100
101 static void rt2860_start(struct ifnet *ifp);
102
103 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
104
105 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
106 const char name[IFNAMSIZ], int unit, int opmode, int flags,
107 const uint8_t bssid[IEEE80211_ADDR_LEN],
108 const uint8_t mac[IEEE80211_ADDR_LEN]);
109
110 static void rt2860_vap_delete(struct ieee80211vap *vap);
111
112 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
113
114 static int rt2860_vap_newstate(struct ieee80211vap *vap,
115 enum ieee80211_state nstate, int arg);
116
117 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
118
119 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
120
121 static int rt2860_vap_key_set(struct ieee80211vap *vap,
122 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
123
124 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
125 const struct ieee80211_key *k);
126
127 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
128
129 static int rt2860_media_change(struct ifnet *ifp);
130
131 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
132 const uint8_t mac[IEEE80211_ADDR_LEN]);
133
134 static int rt2860_setregdomain(struct ieee80211com *ic,
135 struct ieee80211_regdomain *reg,
136 int nchans, struct ieee80211_channel chans[]);
137
138 static void rt2860_getradiocaps(struct ieee80211com *ic,
139 int maxchans, int *nchans, struct ieee80211_channel chans[]);
140
141 static void rt2860_scan_start(struct ieee80211com *ic);
142
143 static void rt2860_scan_end(struct ieee80211com *ic);
144
145 static void rt2860_set_channel(struct ieee80211com *ic);
146
147 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
148
149 static void rt2860_updateslot(struct ifnet *ifp);
150
151 static void rt2860_update_promisc(struct ifnet *ifp);
152
153 static void rt2860_update_mcast(struct ifnet *ifp);
154
155 static int rt2860_wme_update(struct ieee80211com *ic);
156
157 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
158 const struct ieee80211_bpf_params *params);
159
160 static int rt2860_recv_action(struct ieee80211_node *ni,
161 const struct ieee80211_frame *wh,
162 const uint8_t *frm, const uint8_t *efrm);
163
164 static int rt2860_send_action(struct ieee80211_node *ni,
165 int cat, int act, void *sa);
166
167 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
168
169 static void rt2860_periodic(void *arg);
170
171 static void rt2860_tx_watchdog(void *arg);
172
173 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
174 const uint8_t *bssid);
175
176 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
177 const uint8_t *addr);
178
179 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
180
181 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
182
183 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
184
185 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
186
187 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
188
189 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
190
191 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
192
193 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
194
195 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
196
197 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
198
199 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
200
201 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
202 struct ieee80211vap *vap);
203
204 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
205
206 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
207
208 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
209 const struct rt2860_rxwi *rxwi);
210
211 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
212 uint8_t rssi, uint8_t rxpath);
213
214 static uint8_t rt2860_rate2mcs(uint8_t rate);
215
216 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
217 struct mbuf *m, struct ieee80211_node *ni, int qid);
218
219 static int rt2860_tx_data(struct rt2860_softc *sc,
220 struct mbuf *m, struct ieee80211_node *ni, int qid);
221
222 static int rt2860_tx_raw(struct rt2860_softc *sc,
223 struct mbuf *m, struct ieee80211_node *ni,
224 const struct ieee80211_bpf_params *params);
225
226 static void rt2860_intr(void *arg);
227
228 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
229
230 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
231
232 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
233
234 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
235
236 static void rt2860_rx_intr(struct rt2860_softc *sc);
237
238 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
239
240 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
241
242 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
243
244 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
245
246 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
247
248 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
249
250 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
251
252 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
253
254 static void rt2860_rx_done_task(void *context, int pending);
255
256 static void rt2860_tx_done_task(void *context, int pending);
257
258 static void rt2860_fifo_sta_full_task(void *context, int pending);
259
260 static void rt2860_periodic_task(void *context, int pending);
261
262 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
263
264 static void rt2860_tx_eof(struct rt2860_softc *sc,
265 struct rt2860_softc_tx_ring *ring);
266
267 static void rt2860_update_stats(struct rt2860_softc *sc);
268
269 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
270
271 static void rt2860_watchdog(struct rt2860_softc *sc);
272
273 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
274
275 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
276
277 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
278
279 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
280
281 static int rt2860_txrx_enable(struct rt2860_softc *sc);
282
283 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
284 struct rt2860_softc_rx_ring *ring);
285
286 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
287 struct rt2860_softc_rx_ring *ring);
288
289 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
290 struct rt2860_softc_rx_ring *ring);
291
292 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
293 struct rt2860_softc_tx_ring *ring, int qid);
294
295 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
296 struct rt2860_softc_tx_ring *ring);
297
298 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
299 struct rt2860_softc_tx_ring *ring);
300
301 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
302 int nseg, int error);
303
304 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
305
306 /*
307 * Static variables
308 */
309
310 static const struct rt2860_pci_ident rt2860_pci_ids[] =
311 {
312 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
313 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
314 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
315 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
316 { 0, 0, NULL }
317 };
318
319 static const struct
320 {
321 uint32_t reg;
322 uint32_t val;
323 } rt2860_def_mac[] =
324 {
325 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
326 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
327 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
328 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
329 { RT2860_REG_SYS_CTRL, 0x00000000 },
330 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
331 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
332 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
333 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
334 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
335 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
336 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
337 { RT2860_REG_LED_CFG, 0x7f031e46 },
338 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
339 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
340 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
341 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
342 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
343 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
344 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
345 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
346 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
347 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
348 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
349 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
350 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
351 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
352 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
353 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
354 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
355 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
356 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
357 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
358 };
359
360 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
361
362 static const struct
363 {
364 uint8_t reg;
365 uint8_t val;
366 } rt2860_def_bbp[] =
367 {
368 { 65, 0x2c },
369 { 66, 0x38 },
370 { 69, 0x12 },
371 { 70, 0x0a },
372 { 73, 0x10 },
373 { 81, 0x37 },
374 { 82, 0x62 },
375 { 83, 0x6a },
376 { 84, 0x99 },
377 { 86, 0x00 },
378 { 91, 0x04 },
379 { 92, 0x00 },
380 { 103, 0x00 },
381 { 105, 0x05 },
382 { 106, 0x35 },
383 };
384
385 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
386
387 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
388
389 #ifdef RT2860_DEBUG
390 static int rt2860_debug = 0;
391 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
392 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
393 #endif
394
395 /*
396 * rt2860_probe
397 */
398 static int rt2860_probe(device_t dev)
399 {
400 const struct rt2860_pci_ident *ident;
401
402 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
403 {
404 if (pci_get_vendor(dev) == ident->vendor &&
405 pci_get_device(dev) == ident->device)
406 {
407 device_set_desc(dev, ident->name);
408 return 0;
409 }
410 }
411
412 return ENXIO;
413 }
414
415 /*
416 * rt2860_attach
417 */
418 static int rt2860_attach(device_t dev)
419 {
420 struct rt2860_softc *sc;
421 struct ifnet *ifp;
422 struct ieee80211com *ic;
423 int error, ntries, i;
424
425 sc = device_get_softc(dev);
426
427 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
428 {
429 printf("%s: chip is in D%d power mode, setting to D0\n",
430 device_get_nameunit(dev), pci_get_powerstate(dev));
431 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
432 }
433
434 /* enable bus-mastering */
435
436 pci_enable_busmaster(dev);
437
438 sc->dev = dev;
439
440 mtx_init(&sc->lock, device_get_nameunit(dev),
441 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
442
443 sc->mem_rid = PCIR_BAR(0);
444 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
445 &sc->mem_rid, RF_ACTIVE);
446 if (sc->mem == NULL)
447 {
448 printf("%s: could not allocate memory resource\n",
449 device_get_nameunit(dev));
450 error = ENXIO;
451 goto fail;
452 }
453
454 sc->bst = rman_get_bustag(sc->mem);
455 sc->bsh = rman_get_bushandle(sc->mem);
456
457 sc->irq_rid = 0;
458 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
459 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
460 if (sc->irq == NULL)
461 {
462 printf("%s: could not allocate interrupt resource\n",
463 device_get_nameunit(dev));
464 error = ENXIO;
465 goto fail;
466 }
467
468 #ifdef RT2860_DEBUG
469 sc->debug = rt2860_debug;
470
471 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
472 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
473 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
474 #endif
475
476 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
477 "%s: attaching\n",
478 device_get_nameunit(sc->dev));
479
480 /* wait for NIC to initialize */
481
482 for (ntries = 0; ntries < 100; ntries++)
483 {
484 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
485 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
486 break;
487
488 DELAY(10);
489 }
490
491 if (ntries == 100)
492 {
493 printf("%s: timeout waiting for NIC to initialize\n",
494 device_get_nameunit(dev));
495 error = EIO;
496 goto fail;
497 }
498
499 rt2860_read_eeprom(sc);
500
501 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
502 device_get_nameunit(sc->dev), sc->mac_rev,
503 rt2860_rf_name(sc->rf_rev));
504
505 /* allocate Tx and Rx rings */
506
507 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
508 {
509 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
510 if (error != 0)
511 {
512 printf("%s: could not allocate Tx ring #%d\n",
513 device_get_nameunit(sc->dev), i);
514 goto fail;
515 }
516 }
517
518 sc->tx_ring_mgtqid = 5;
519
520 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
521 if (error != 0)
522 {
523 printf("%s: could not allocate Rx ring\n",
524 device_get_nameunit(sc->dev));
525 goto fail;
526 }
527
528 callout_init(&sc->periodic_ch, 0);
529 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
530
531 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
532 if (ifp == NULL)
533 {
534 printf("%s: could not if_alloc()\n",
535 device_get_nameunit(sc->dev));
536 error = ENOMEM;
537 goto fail;
538 }
539
540 ifp->if_softc = sc;
541
542 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
543
544 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
545
546 ifp->if_init = rt2860_init;
547 ifp->if_ioctl = rt2860_ioctl;
548 ifp->if_start = rt2860_start;
549
550 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
551 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
552 IFQ_SET_READY(&ifp->if_snd);
553
554 ic = ifp->if_l2com;
555
556 ic->ic_ifp = ifp;
557
558 ic->ic_phytype = IEEE80211_T_HT;
559 ic->ic_opmode = IEEE80211_M_STA;
560
561 ic->ic_caps = IEEE80211_C_MONITOR |
562 IEEE80211_C_IBSS |
563 IEEE80211_C_STA |
564 IEEE80211_C_AHDEMO |
565 IEEE80211_C_HOSTAP |
566 IEEE80211_C_WDS |
567 IEEE80211_C_MBSS |
568 /* IEEE80211_C_BGSCAN | */
569 IEEE80211_C_TXPMGT |
570 IEEE80211_C_SHPREAMBLE |
571 IEEE80211_C_SHSLOT |
572 IEEE80211_C_TXFRAG |
573 IEEE80211_C_BURST |
574 IEEE80211_C_WME |
575 IEEE80211_C_WPA;
576
577 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
578 IEEE80211_CRYPTO_TKIP |
579 IEEE80211_CRYPTO_TKIPMIC |
580 IEEE80211_CRYPTO_AES_CCM;
581
582 ic->ic_htcaps = IEEE80211_HTC_HT |
583 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
584 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
585 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
586 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
587 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
588 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
589 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
590 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
591
592 /* spatial streams */
593
594 if (sc->nrxpath == 2)
595 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
596 else if (sc->nrxpath == 3)
597 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
598 else
599 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
600
601 if (sc->ntxpath > 1)
602 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
603
604 /* delayed BA */
605
606 if (sc->mac_rev != 0x28600100)
607 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
608
609 /* init channels */
610
611 ic->ic_nchans = 0;
612
613 rt2860_init_channels(sc);
614
615 rt2860_init_channels_ht40(sc);
616
617 ieee80211_ifattach(ic, sc->mac_addr);
618
619 ic->ic_vap_create = rt2860_vap_create;
620 ic->ic_vap_delete = rt2860_vap_delete;
621
622 ic->ic_node_alloc = rt2860_node_alloc;
623 ic->ic_setregdomain = rt2860_setregdomain;
624 ic->ic_getradiocaps = rt2860_getradiocaps;
625 ic->ic_scan_start = rt2860_scan_start;
626 ic->ic_scan_end = rt2860_scan_end;
627 ic->ic_set_channel = rt2860_set_channel;
628 ic->ic_newassoc = rt2860_newassoc;
629 ic->ic_updateslot = rt2860_updateslot;
630 ic->ic_update_promisc = rt2860_update_promisc;
631 ic->ic_update_mcast = rt2860_update_mcast;
632 ic->ic_wme.wme_update = rt2860_wme_update;
633 ic->ic_raw_xmit = rt2860_raw_xmit;
634
635 sc->recv_action = ic->ic_recv_action;
636 ic->ic_recv_action = rt2860_recv_action;
637
638 sc->send_action = ic->ic_send_action;
639 ic->ic_send_action = rt2860_send_action;
640
641 /* hardware requires padding between 802.11 frame header and body */
642
643 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
644
645 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
646
647 ieee80211_radiotap_attach(ic,
648 &sc->txtap.ihdr, sizeof(sc->txtap),
649 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
650 &sc->rxtap.ihdr, sizeof(sc->rxtap),
651 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
652
653 /* init task queue */
654
655 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
656 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
657 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
658 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
659
660 sc->rx_process_limit = 100;
661
662 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
663 taskqueue_thread_enqueue, &sc->taskqueue);
664
665 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
666 device_get_nameunit(sc->dev));
667
668 rt2860_sysctl_attach(sc);
669
670 if (bootverbose)
671 ieee80211_announce(ic);
672
673 /* set up interrupt */
674
675 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
676 NULL, rt2860_intr, sc, &sc->irqh);
677 if (error != 0)
678 {
679 printf("%s: could not set up interrupt\n",
680 device_get_nameunit(dev));
681 goto fail;
682 }
683
684 return 0;
685
686 fail:
687
688 /* free Tx and Rx rings */
689
690 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
691 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
692
693 rt2860_free_rx_ring(sc, &sc->rx_ring);
694
695 mtx_destroy(&sc->lock);
696
697 if (sc->mem != NULL)
698 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
699
700 if (sc->irq != NULL)
701 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
702
703 return error;
704 }
705
706 /*
707 * rt2860_detach
708 */
709 static int rt2860_detach(device_t dev)
710 {
711 struct rt2860_softc *sc;
712 struct ifnet *ifp;
713 struct ieee80211com *ic;
714 int i;
715
716 sc = device_get_softc(dev);
717 ifp = sc->ifp;
718 ic = ifp->if_l2com;
719
720 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
721 "%s: detaching\n",
722 device_get_nameunit(sc->dev));
723
724 RT2860_SOFTC_LOCK(sc);
725
726 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
727
728 callout_stop(&sc->periodic_ch);
729 callout_stop(&sc->tx_watchdog_ch);
730
731 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
732 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
733 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
734 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
735
736 /* free Tx and Rx rings */
737
738 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
739 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
740
741 rt2860_free_rx_ring(sc, &sc->rx_ring);
742
743 RT2860_SOFTC_UNLOCK(sc);
744
745 ieee80211_ifdetach(ic);
746
747 if_free(ifp);
748
749 taskqueue_free(sc->taskqueue);
750
751 mtx_destroy(&sc->lock);
752
753 bus_generic_detach(dev);
754
755 bus_teardown_intr(dev, sc->irq, sc->irqh);
756
757 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
758
759 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
760
761 return 0;
762 }
763
764 /*
765 * rt2860_shutdown
766 */
767 static int rt2860_shutdown(device_t dev)
768 {
769 struct rt2860_softc *sc;
770
771 sc = device_get_softc(dev);
772
773 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
774 "%s: shutting down\n",
775 device_get_nameunit(sc->dev));
776
777 rt2860_stop(sc);
778
779 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
780
781 return 0;
782 }
783
784 /*
785 * rt2860_suspend
786 */
787 static int rt2860_suspend(device_t dev)
788 {
789 struct rt2860_softc *sc;
790
791 sc = device_get_softc(dev);
792
793 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
794 "%s: suspending\n",
795 device_get_nameunit(sc->dev));
796
797 rt2860_stop(sc);
798
799 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
800
801 return 0;
802 }
803
804 /*
805 * rt2860_resume
806 */
807 static int rt2860_resume(device_t dev)
808 {
809 struct rt2860_softc *sc;
810 struct ifnet *ifp;
811
812 sc = device_get_softc(dev);
813 ifp = sc->ifp;
814
815 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
816 "%s: resuming\n",
817 device_get_nameunit(sc->dev));
818
819 if (ifp->if_flags & IFF_UP)
820 rt2860_init(sc);
821
822 return 0;
823 }
824
825 /*
826 * rt2860_init_channels
827 */
828 static void rt2860_init_channels(struct rt2860_softc *sc)
829 {
830 struct ifnet *ifp;
831 struct ieee80211com *ic;
832 struct ieee80211_channel *c;
833 int i, flags;
834
835 ifp = sc->ifp;
836 ic = ifp->if_l2com;
837
838 /* set supported channels for 2GHz band */
839
840 for (i = 1; i <= 14; i++)
841 {
842 c = &ic->ic_channels[ic->ic_nchans++];
843 flags = IEEE80211_CHAN_B;
844
845 c->ic_freq = ieee80211_ieee2mhz(i, flags);
846 c->ic_ieee = i;
847 c->ic_flags = flags;
848
849 c = &ic->ic_channels[ic->ic_nchans++];
850 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
851
852 c->ic_freq = ieee80211_ieee2mhz(i, flags);
853 c->ic_ieee = i;
854 c->ic_flags = flags;
855
856 c = &ic->ic_channels[ic->ic_nchans++];
857 flags = IEEE80211_CHAN_G;
858
859 c->ic_freq = ieee80211_ieee2mhz(i, flags);
860 c->ic_ieee = i;
861 c->ic_flags = flags;
862
863 c = &ic->ic_channels[ic->ic_nchans++];
864 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
865
866 c->ic_freq = ieee80211_ieee2mhz(i, flags);
867 c->ic_ieee = i;
868 c->ic_flags = flags;
869 }
870
871 /* set supported channels for 5GHz band */
872
873 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
874 sc->rf_rev == RT2860_EEPROM_RF_2750)
875 {
876 for (i = 36; i <= 64; i += 4)
877 {
878 c = &ic->ic_channels[ic->ic_nchans++];
879 flags = IEEE80211_CHAN_A;
880
881 c->ic_freq = ieee80211_ieee2mhz(i, flags);
882 c->ic_ieee = i;
883 c->ic_flags = flags;
884
885 c = &ic->ic_channels[ic->ic_nchans++];
886 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
887
888 c->ic_freq = ieee80211_ieee2mhz(i, flags);
889 c->ic_ieee = i;
890 c->ic_flags = flags;
891 }
892
893 for (i = 100; i <= 140; i += 4)
894 {
895 c = &ic->ic_channels[ic->ic_nchans++];
896 flags = IEEE80211_CHAN_A;
897
898 c->ic_freq = ieee80211_ieee2mhz(i, flags);
899 c->ic_ieee = i;
900 c->ic_flags = flags;
901
902 c = &ic->ic_channels[ic->ic_nchans++];
903 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
904
905 c->ic_freq = ieee80211_ieee2mhz(i, flags);
906 c->ic_ieee = i;
907 c->ic_flags = flags;
908 }
909
910 for (i = 149; i <= 165; i += 4)
911 {
912 c = &ic->ic_channels[ic->ic_nchans++];
913 flags = IEEE80211_CHAN_A;
914
915 c->ic_freq = ieee80211_ieee2mhz(i, flags);
916 c->ic_ieee = i;
917 c->ic_flags = flags;
918
919 c = &ic->ic_channels[ic->ic_nchans++];
920 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
921
922 c->ic_freq = ieee80211_ieee2mhz(i, flags);
923 c->ic_ieee = i;
924 c->ic_flags = flags;
925 }
926 }
927 }
928
929 /*
930 * rt2860_init_channels_ht40
931 */
932 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
933 {
934 struct ifnet *ifp;
935 struct ieee80211com *ic;
936 struct ieee80211_channel *c, *cent, *ext;
937 int i, flags;
938
939 ifp = sc->ifp;
940 ic = ifp->if_l2com;
941
942 /* set supported channels for 2GHz band */
943
944 for (i = 1; i <= 14; i++)
945 {
946 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
947
948 /* find the center channel */
949
950 cent = ieee80211_find_channel_byieee(ic, i,
951 flags & ~IEEE80211_CHAN_HT);
952 if (cent == NULL)
953 {
954 printf("%s: skip channel %d, could not find center channel\n",
955 device_get_nameunit(sc->dev), i);
956 continue;
957 }
958
959 /* find the extension channel */
960
961 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
962 flags & ~IEEE80211_CHAN_HT);
963 if (ext == NULL)
964 {
965 printf("%s: skip channel %d, could not find extension channel\n",
966 device_get_nameunit(sc->dev), i);
967 continue;
968 }
969
970 c = &ic->ic_channels[ic->ic_nchans++];
971
972 *c = *cent;
973 c->ic_extieee = ext->ic_ieee;
974 c->ic_flags &= ~IEEE80211_CHAN_HT;
975 c->ic_flags |= IEEE80211_CHAN_HT40U;
976
977 c = &ic->ic_channels[ic->ic_nchans++];
978
979 *c = *ext;
980 c->ic_extieee = cent->ic_ieee;
981 c->ic_flags &= ~IEEE80211_CHAN_HT;
982 c->ic_flags |= IEEE80211_CHAN_HT40D;
983 }
984
985 /* set supported channels for 5GHz band */
986
987 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
988 sc->rf_rev == RT2860_EEPROM_RF_2750)
989 {
990 for (i = 36; i <= 64; i += 4)
991 {
992 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
993
994 /* find the center channel */
995
996 cent = ieee80211_find_channel_byieee(ic, i,
997 flags & ~IEEE80211_CHAN_HT);
998 if (cent == NULL)
999 {
1000 printf("%s: skip channel %d, could not find center channel\n",
1001 device_get_nameunit(sc->dev), i);
1002 continue;
1003 }
1004
1005 /* find the extension channel */
1006
1007 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1008 flags & ~IEEE80211_CHAN_HT);
1009 if (ext == NULL)
1010 {
1011 printf("%s: skip channel %d, could not find extension channel\n",
1012 device_get_nameunit(sc->dev), i);
1013 continue;
1014 }
1015
1016 c = &ic->ic_channels[ic->ic_nchans++];
1017
1018 *c = *cent;
1019 c->ic_extieee = ext->ic_ieee;
1020 c->ic_flags &= ~IEEE80211_CHAN_HT;
1021 c->ic_flags |= IEEE80211_CHAN_HT40U;
1022
1023 c = &ic->ic_channels[ic->ic_nchans++];
1024
1025 *c = *ext;
1026 c->ic_extieee = cent->ic_ieee;
1027 c->ic_flags &= ~IEEE80211_CHAN_HT;
1028 c->ic_flags |= IEEE80211_CHAN_HT40D;
1029 }
1030
1031 for (i = 100; i <= 140; i += 4)
1032 {
1033 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1034
1035 /* find the center channel */
1036
1037 cent = ieee80211_find_channel_byieee(ic, i,
1038 flags & ~IEEE80211_CHAN_HT);
1039 if (cent == NULL)
1040 {
1041 printf("%s: skip channel %d, could not find center channel\n",
1042 device_get_nameunit(sc->dev), i);
1043 continue;
1044 }
1045
1046 /* find the extension channel */
1047
1048 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1049 flags & ~IEEE80211_CHAN_HT);
1050 if (ext == NULL)
1051 {
1052 printf("%s: skip channel %d, could not find extension channel\n",
1053 device_get_nameunit(sc->dev), i);
1054 continue;
1055 }
1056
1057 c = &ic->ic_channels[ic->ic_nchans++];
1058
1059 *c = *cent;
1060 c->ic_extieee = ext->ic_ieee;
1061 c->ic_flags &= ~IEEE80211_CHAN_HT;
1062 c->ic_flags |= IEEE80211_CHAN_HT40U;
1063
1064 c = &ic->ic_channels[ic->ic_nchans++];
1065
1066 *c = *ext;
1067 c->ic_extieee = cent->ic_ieee;
1068 c->ic_flags &= ~IEEE80211_CHAN_HT;
1069 c->ic_flags |= IEEE80211_CHAN_HT40D;
1070 }
1071
1072 for (i = 149; i <= 165; i += 4)
1073 {
1074 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1075
1076 /* find the center channel */
1077
1078 cent = ieee80211_find_channel_byieee(ic, i,
1079 flags & ~IEEE80211_CHAN_HT);
1080 if (cent == NULL)
1081 {
1082 printf("%s: skip channel %d, could not find center channel\n",
1083 device_get_nameunit(sc->dev), i);
1084 continue;
1085 }
1086
1087 /* find the extension channel */
1088
1089 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1090 flags & ~IEEE80211_CHAN_HT);
1091 if (ext == NULL)
1092 {
1093 printf("%s: skip channel %d, could not find extension channel\n",
1094 device_get_nameunit(sc->dev), i);
1095 continue;
1096 }
1097
1098 c = &ic->ic_channels[ic->ic_nchans++];
1099
1100 *c = *cent;
1101 c->ic_extieee = ext->ic_ieee;
1102 c->ic_flags &= ~IEEE80211_CHAN_HT;
1103 c->ic_flags |= IEEE80211_CHAN_HT40U;
1104
1105 c = &ic->ic_channels[ic->ic_nchans++];
1106
1107 *c = *ext;
1108 c->ic_extieee = cent->ic_ieee;
1109 c->ic_flags &= ~IEEE80211_CHAN_HT;
1110 c->ic_flags |= IEEE80211_CHAN_HT40D;
1111 }
1112 }
1113 }
1114
1115 /*
1116 * rt2860_init_locked
1117 */
1118 static void rt2860_init_locked(void *priv)
1119 {
1120 struct rt2860_softc *sc;
1121 struct ifnet *ifp;
1122 struct ieee80211com *ic;
1123 int error, i, ntries;
1124 uint32_t tmp, stacnt[6];
1125
1126 sc = priv;
1127 ifp = sc->ifp;
1128 ic = ifp->if_l2com;
1129
1130 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1131 "%s: initializing\n",
1132 device_get_nameunit(sc->dev));
1133
1134 RT2860_SOFTC_ASSERT_LOCKED(sc);
1135
1136 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1137 {
1138 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1139 "%s: loading 8051 microcode\n",
1140 device_get_nameunit(sc->dev));
1141
1142 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1143 if (error != 0)
1144 {
1145 printf("%s: could not load 8051 microcode\n",
1146 device_get_nameunit(sc->dev));
1147 goto fail;
1148 }
1149
1150 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1151 "%s: 8051 microcode was successfully loaded\n",
1152 device_get_nameunit(sc->dev));
1153
1154 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1155 }
1156
1157 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1158
1159 /* disable DMA engine */
1160
1161 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1162
1163 tmp &= 0xff0;
1164 tmp |= RT2860_REG_TX_WB_DDONE;
1165
1166 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1167
1168 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1169
1170 /* PBF hardware reset */
1171
1172 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1173 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1174
1175 /* wait while DMA engine is busy */
1176
1177 for (ntries = 0; ntries < 100; ntries++)
1178 {
1179 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1180 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1181 break;
1182
1183 DELAY(1000);
1184 }
1185
1186 if (ntries == 100)
1187 {
1188 printf("%s: timeout waiting for DMA engine\n",
1189 device_get_nameunit(sc->dev));
1190 goto fail;
1191 }
1192
1193 tmp &= 0xff0;
1194 tmp |= RT2860_REG_TX_WB_DDONE;
1195
1196 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1197
1198 /* reset Rx and Tx rings */
1199
1200 tmp = RT2860_REG_RST_IDX_RX |
1201 RT2860_REG_RST_IDX_TX_MGMT |
1202 RT2860_REG_RST_IDX_TX_HCCA |
1203 RT2860_REG_RST_IDX_TX_AC3 |
1204 RT2860_REG_RST_IDX_TX_AC2 |
1205 RT2860_REG_RST_IDX_TX_AC1 |
1206 RT2860_REG_RST_IDX_TX_AC0;
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1209
1210 /* PBF hardware reset */
1211
1212 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1213 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1214
1215 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1216
1217 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1218 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1219 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1220
1221 /* init Tx power per rate */
1222
1223 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1224 {
1225 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1226 continue;
1227
1228 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1229 sc->txpow_rate_20mhz[i]);
1230 }
1231
1232 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1233 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1234 rt2860_def_mac[i].val);
1235
1236 /* wait while MAC is busy */
1237
1238 for (ntries = 0; ntries < 100; ntries++)
1239 {
1240 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1241 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1242 break;
1243
1244 DELAY(1000);
1245 }
1246
1247 if (ntries == 100)
1248 {
1249 printf("%s: timeout waiting for MAC\n",
1250 device_get_nameunit(sc->dev));
1251 goto fail;
1252 }
1253
1254 /* clear Host to MCU mailbox */
1255
1256 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1257 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1258
1259 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1260 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1261
1262 DELAY(1000);
1263
1264 error = rt2860_init_bbp(sc);
1265 if (error != 0)
1266 goto fail;
1267
1268 /* set up maximum buffer sizes */
1269
1270 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1271
1272 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1273
1274 if (sc->mac_rev == 0x28720200)
1275 {
1276 /* set max. PSDU length from 16K to 32K bytes */
1277
1278 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1279
1280 tmp &= ~(3 << 12);
1281 tmp |= (2 << 12);
1282
1283 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1284 }
1285
1286 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1287 {
1288 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1289
1290 tmp &= 0xfff;
1291 tmp |= 0x2000;
1292
1293 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1294 }
1295
1296 /* set mac address */
1297
1298 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1299
1300 /* clear statistic registers */
1301
1302 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1303 stacnt, sizeof(stacnt));
1304
1305 /* set RTS threshold */
1306
1307 rt2860_asic_update_rtsthreshold(sc);
1308
1309 /* set Tx power */
1310
1311 rt2860_asic_update_txpower(sc);
1312
1313 /* set up protection mode */
1314
1315 rt2860_asic_updateprot(sc);
1316
1317 /* clear key tables */
1318
1319 rt2860_asic_clear_keytables(sc);
1320
1321 /* clear beacon frame space (entries = 8, entry size = 512) */
1322
1323 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1324
1325 taskqueue_unblock(sc->taskqueue);
1326
1327 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1328
1329 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1330 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1331
1332 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1333 {
1334 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1335 sc->tx_ring[i].desc_phys_addr);
1336 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1337 RT2860_SOFTC_TX_RING_DESC_COUNT);
1338 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1339 }
1340
1341 /* init Rx ring */
1342
1343 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1344
1345 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1346 sc->rx_ring.desc_phys_addr);
1347 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1348 RT2860_SOFTC_RX_RING_DATA_COUNT);
1349 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1350 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1351
1352 /* wait while DMA engine is busy */
1353
1354 for (ntries = 0; ntries < 100; ntries++)
1355 {
1356 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1357 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1358 break;
1359
1360 DELAY(1000);
1361 }
1362
1363 if (ntries == 100)
1364 {
1365 printf("%s: timeout waiting for DMA engine\n",
1366 device_get_nameunit(sc->dev));
1367 goto fail;
1368 }
1369
1370 tmp &= 0xff0;
1371 tmp |= RT2860_REG_TX_WB_DDONE;
1372
1373 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1374
1375 /* disable interrupts mitigation */
1376
1377 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1378
1379 /* send LEDs operating mode to microcontroller */
1380
1381 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1382 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1383 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1384 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1385 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1386 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1387
1388 /* turn radio LED on */
1389
1390 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1391
1392 /* write vendor-specific BBP values (from EEPROM) */
1393
1394 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1395 {
1396 if (sc->bbp_eeprom[i].reg == 0x00 ||
1397 sc->bbp_eeprom[i].reg == 0xff)
1398 continue;
1399
1400 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1401 sc->bbp_eeprom[i].val);
1402 }
1403
1404 /*
1405 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1406 if (tmp & (1 << 2))
1407 {
1408 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1409 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1410 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1411
1412 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1413 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1414 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1415 }
1416 */
1417
1418 /* disable non-existing Rx chains */
1419
1420 tmp = rt2860_io_bbp_read(sc, 3);
1421
1422 tmp &= ~((1 << 4) | (1 << 3));
1423
1424 if (sc->nrxpath == 3)
1425 tmp |= (1 << 4);
1426 else if (sc->nrxpath == 2)
1427 tmp |= (1 << 3);
1428
1429 rt2860_io_bbp_write(sc, 3, tmp);
1430
1431 /* disable non-existing Tx chains */
1432
1433 tmp = rt2860_io_bbp_read(sc, 1);
1434
1435 tmp &= ~((1 << 4) | (1 << 3));
1436
1437 if (sc->ntxpath == 2)
1438 tmp |= (1 << 4);
1439
1440 rt2860_io_bbp_write(sc, 1, tmp);
1441
1442 /* set current channel */
1443
1444 rt2860_rf_set_chan(sc, ic->ic_curchan);
1445
1446 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1447 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1448 (48 << 16) | 96);
1449
1450 if ((sc->mac_rev & 0xffff) != 0x0101)
1451 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1452
1453 /* clear pending interrupts */
1454
1455 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1456
1457 /* enable interrupts */
1458
1459 tmp = RT2860_REG_INT_TX_COHERENT |
1460 RT2860_REG_INT_RX_COHERENT |
1461 RT2860_REG_INT_GP_TIMER |
1462 RT2860_REG_INT_AUTO_WAKEUP |
1463 RT2860_REG_INT_FIFO_STA_FULL |
1464 /*
1465 RT2860_REG_INT_PRE_TBTT |
1466 RT2860_REG_INT_TBTT |
1467 */
1468 RT2860_REG_INT_TXRX_COHERENT |
1469 RT2860_REG_INT_MCU_CMD |
1470 RT2860_REG_INT_TX_MGMT_DONE |
1471 RT2860_REG_INT_TX_HCCA_DONE |
1472 RT2860_REG_INT_TX_AC3_DONE |
1473 RT2860_REG_INT_TX_AC2_DONE |
1474 RT2860_REG_INT_TX_AC1_DONE |
1475 RT2860_REG_INT_TX_AC0_DONE |
1476 RT2860_REG_INT_RX_DONE;
1477
1478 sc->intr_enable_mask = tmp;
1479
1480 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1481
1482 if (rt2860_txrx_enable(sc) != 0)
1483 goto fail;
1484
1485 /* clear garbage interrupts */
1486
1487 tmp = rt2860_io_mac_read(sc, 0x1300);
1488
1489 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1490 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1491
1492 sc->periodic_round = 0;
1493
1494 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1495
1496 return;
1497
1498 fail:
1499
1500 rt2860_stop_locked(sc);
1501 }
1502
1503 /*
1504 * rt2860_init
1505 */
1506 static void rt2860_init(void *priv)
1507 {
1508 struct rt2860_softc *sc;
1509
1510 sc = priv;
1511
1512 RT2860_SOFTC_LOCK(sc);
1513
1514 rt2860_init_locked(sc);
1515
1516 RT2860_SOFTC_UNLOCK(sc);
1517 }
1518
1519 /*
1520 * rt2860_init_bbp
1521 */
1522 static int rt2860_init_bbp(struct rt2860_softc *sc)
1523 {
1524 int ntries, i;
1525 uint8_t tmp;
1526
1527 for (ntries = 0; ntries < 20; ntries++)
1528 {
1529 tmp = rt2860_io_bbp_read(sc, 0);
1530 if (tmp != 0x00 && tmp != 0xff)
1531 break;
1532 }
1533
1534 if (tmp == 0x00 || tmp == 0xff)
1535 {
1536 printf("%s: timeout waiting for BBP to wakeup\n",
1537 device_get_nameunit(sc->dev));
1538 return ETIMEDOUT;
1539 }
1540
1541 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1542 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1543 rt2860_def_bbp[i].val);
1544
1545 if ((sc->mac_rev & 0xffff) != 0x0101)
1546 rt2860_io_bbp_write(sc, 84, 0x19);
1547
1548 if (sc->mac_rev == 0x28600100)
1549 {
1550 rt2860_io_bbp_write(sc, 69, 0x16);
1551 rt2860_io_bbp_write(sc, 73, 0x12);
1552 }
1553
1554 return 0;
1555 }
1556
1557 /*
1558 * rt2860_stop_locked
1559 */
1560 static void rt2860_stop_locked(void *priv)
1561 {
1562 struct rt2860_softc *sc;
1563 struct ifnet *ifp;
1564 struct ieee80211com *ic;
1565 uint32_t tmp;
1566
1567 sc = priv;
1568 ifp = sc->ifp;
1569 ic = ifp->if_l2com;
1570
1571 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1572 "%s: stopping\n",
1573 device_get_nameunit(sc->dev));
1574
1575 RT2860_SOFTC_ASSERT_LOCKED(sc);
1576
1577 sc->tx_timer = 0;
1578
1579 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1580 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1581
1582 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1583
1584 callout_stop(&sc->periodic_ch);
1585 callout_stop(&sc->tx_watchdog_ch);
1586
1587 RT2860_SOFTC_UNLOCK(sc);
1588
1589 taskqueue_block(sc->taskqueue);
1590
1591 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1592 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1593 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1594 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1595
1596 RT2860_SOFTC_LOCK(sc);
1597
1598 /* clear key tables */
1599
1600 rt2860_asic_clear_keytables(sc);
1601
1602 /* disable interrupts */
1603
1604 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1605
1606 /* disable Tx/Rx */
1607
1608 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1609
1610 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1611
1612 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1613
1614 /* reset adapter */
1615
1616 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1617 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1618 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1619 }
1620
1621 /*
1622 * rt2860_stop
1623 */
1624 static void rt2860_stop(void *priv)
1625 {
1626 struct rt2860_softc *sc;
1627
1628 sc = priv;
1629
1630 RT2860_SOFTC_LOCK(sc);
1631
1632 rt2860_stop_locked(sc);
1633
1634 RT2860_SOFTC_UNLOCK(sc);
1635 }
1636
1637 /*
1638 * rt2860_start
1639 */
1640 static void rt2860_start(struct ifnet *ifp)
1641 {
1642 struct rt2860_softc *sc;
1643 struct ieee80211_node *ni;
1644 struct mbuf *m;
1645 int qid;
1646
1647 sc = ifp->if_softc;
1648
1649 RT2860_SOFTC_LOCK(sc);
1650
1651 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1652 {
1653 RT2860_SOFTC_UNLOCK(sc);
1654 return;
1655 }
1656
1657 for (;;)
1658 {
1659 IF_POLL(&ifp->if_snd, m);
1660 if (m == NULL)
1661 break;
1662
1663 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1664
1665 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1666
1667 qid = M_WME_GETAC(m);
1668
1669 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1670 {
1671 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1672 "%s: if_start: Tx ring with qid=%d is full\n",
1673 device_get_nameunit(sc->dev), qid);
1674
1675 m_freem(m);
1676 ieee80211_free_node(ni);
1677
1678 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1679 ifp->if_oerrors++;
1680
1681 sc->tx_data_queue_full[qid]++;
1682
1683 break;
1684 }
1685
1686 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1687 {
1688 ieee80211_free_node(ni);
1689
1690 ifp->if_oerrors++;
1691
1692 break;
1693 }
1694
1695 rt2860_drain_fifo_stats(sc);
1696
1697 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1698
1699 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1700 }
1701
1702 RT2860_SOFTC_UNLOCK(sc);
1703 }
1704
1705 /*
1706 * rt2860_ioctl
1707 */
1708 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1709 {
1710 struct rt2860_softc *sc;
1711 struct ieee80211com *ic;
1712 struct ifreq *ifr;
1713 int error, startall;
1714
1715 sc = ifp->if_softc;
1716 ic = ifp->if_l2com;
1717 ifr = (struct ifreq *) data;
1718
1719 error = 0;
1720
1721 switch (cmd)
1722 {
1723 case SIOCSIFFLAGS:
1724 startall = 0;
1725
1726 RT2860_SOFTC_LOCK(sc);
1727
1728 if (ifp->if_flags & IFF_UP)
1729 {
1730 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1731 {
1732 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1733 rt2860_asic_update_promisc(sc);
1734 }
1735 else
1736 {
1737 rt2860_init_locked(sc);
1738 startall = 1;
1739 }
1740 }
1741 else
1742 {
1743 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1744 rt2860_stop_locked(sc);
1745 }
1746
1747 sc->if_flags = ifp->if_flags;
1748
1749 RT2860_SOFTC_UNLOCK(sc);
1750
1751 if (startall)
1752 ieee80211_start_all(ic);
1753 break;
1754
1755 case SIOCGIFMEDIA:
1756 case SIOCSIFMEDIA:
1757 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1758 break;
1759
1760 case SIOCGIFADDR:
1761 error = ether_ioctl(ifp, cmd, data);
1762 break;
1763
1764 default:
1765 error = EINVAL;
1766 break;
1767 }
1768
1769 return error;
1770 }
1771
1772 /*
1773 * rt2860_vap_create
1774 */
1775 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1776 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1777 const uint8_t bssid[IEEE80211_ADDR_LEN],
1778 const uint8_t mac[IEEE80211_ADDR_LEN])
1779 {
1780 struct rt2860_softc *sc;
1781 struct ifnet *ifp;
1782 struct rt2860_softc_vap *rvap;
1783 struct ieee80211vap *vap;
1784
1785 ifp = ic->ic_ifp;
1786 sc = ifp->if_softc;
1787
1788 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1789 "%s: VAP create: opmode=%s\n",
1790 device_get_nameunit(sc->dev),
1791 ieee80211_opmode_name[opmode]);
1792
1793 switch (opmode)
1794 {
1795 case IEEE80211_M_MONITOR:
1796 case IEEE80211_M_IBSS:
1797 case IEEE80211_M_STA:
1798 case IEEE80211_M_AHDEMO:
1799 case IEEE80211_M_HOSTAP:
1800 case IEEE80211_M_MBSS:
1801 if (!TAILQ_EMPTY(&ic->ic_vaps))
1802 {
1803 if_printf(ifp, "only 1 VAP supported\n");
1804 return NULL;
1805 }
1806
1807 if (opmode == IEEE80211_M_STA)
1808 flags |= IEEE80211_CLONE_NOBEACONS;
1809 break;
1810
1811 case IEEE80211_M_WDS:
1812 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1813 {
1814 if_printf(ifp, "WDS only supported in AP mode\n");
1815 return NULL;
1816 }
1817
1818 flags &= ~IEEE80211_CLONE_BSSID;
1819 break;
1820
1821 default:
1822 if_printf(ifp, "unknown opmode %d\n", opmode);
1823 return NULL;
1824 }
1825
1826 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1827 M_80211_VAP, M_NOWAIT | M_ZERO);
1828 if (rvap == NULL)
1829 return NULL;
1830
1831 vap = &rvap->vap;
1832
1833 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1834
1835 rvap->newstate = vap->iv_newstate;
1836 vap->iv_newstate = rt2860_vap_newstate;
1837
1838 vap->iv_reset = rt2860_vap_reset;
1839 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1840 vap->iv_key_update_end = rt2860_vap_key_update_end;
1841 vap->iv_key_set = rt2860_vap_key_set;
1842 vap->iv_key_delete = rt2860_vap_key_delete;
1843 vap->iv_update_beacon = rt2860_vap_update_beacon;
1844
1845 rt2860_amrr_init(&rvap->amrr, vap,
1846 sc->ntxpath,
1847 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1848 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1849 500);
1850
1851 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1852
1853 ic->ic_opmode = opmode;
1854
1855 return vap;
1856 }
1857
1858 /*
1859 * rt2860_vap_delete
1860 */
1861 static void rt2860_vap_delete(struct ieee80211vap *vap)
1862 {
1863 struct rt2860_softc *sc;
1864 struct ieee80211com *ic;
1865 struct ifnet *ifp;
1866 struct rt2860_softc_vap *rvap;
1867
1868 ic = vap->iv_ic;
1869 ifp = ic->ic_ifp;
1870 sc = ifp->if_softc;
1871 rvap = (struct rt2860_softc_vap *) vap;
1872
1873 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1874 "%s: VAP delete: opmode=%s\n",
1875 device_get_nameunit(sc->dev),
1876 ieee80211_opmode_name[vap->iv_opmode]);
1877
1878 rt2860_amrr_cleanup(&rvap->amrr);
1879
1880 ieee80211_vap_detach(vap);
1881
1882 free(rvap, M_80211_VAP);
1883 }
1884
1885 /*
1886 * rt2860_reset_vap
1887 */
1888 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1889 {
1890 struct rt2860_softc *sc;
1891 struct ieee80211com *ic;
1892 struct ifnet *ifp;
1893 struct rt2860_softc_vap *rvap;
1894 int error;
1895
1896 ic = vap->iv_ic;
1897 ifp = ic->ic_ifp;
1898 sc = ifp->if_softc;
1899 rvap = (struct rt2860_softc_vap *) vap;
1900
1901 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1902 "%s: VAP reset: cmd=%lu\n",
1903 device_get_nameunit(sc->dev), cmd);
1904
1905 error = 0;
1906
1907 switch (cmd)
1908 {
1909 case IEEE80211_IOC_RTSTHRESHOLD:
1910 rt2860_asic_update_rtsthreshold(sc);
1911 break;
1912
1913 case IEEE80211_IOC_PROTMODE:
1914 case IEEE80211_IOC_HTPROTMODE:
1915 rt2860_asic_updateprot(sc);
1916 break;
1917
1918 case IEEE80211_IOC_TXPOWER:
1919 rt2860_asic_update_txpower(sc);
1920 break;
1921
1922 case IEEE80211_IOC_SHORTGI:
1923 case IEEE80211_IOC_AMPDU_DENSITY:
1924 break;
1925
1926 default:
1927 error = ENETRESET;
1928 break;
1929 }
1930
1931 return error;
1932 }
1933
1934 /*
1935 * rt2860_vap_newstate
1936 */
1937 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1938 enum ieee80211_state nstate, int arg)
1939 {
1940 struct rt2860_softc *sc;
1941 struct ieee80211com *ic;
1942 struct ifnet *ifp;
1943 struct rt2860_softc_vap *rvap;
1944 struct ieee80211_node *ni;
1945 enum ieee80211_state ostate;
1946 int error;
1947
1948 ic = vap->iv_ic;
1949 ifp = ic->ic_ifp;
1950 sc = ifp->if_softc;
1951 rvap = (struct rt2860_softc_vap *) vap;
1952
1953 ostate = vap->iv_state;
1954
1955 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1956 "%s: VAP newstate: %s -> %s\n",
1957 device_get_nameunit(sc->dev),
1958 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1959
1960 error = rvap->newstate(vap, nstate, arg);
1961 if (error != 0)
1962 return error;
1963
1964 IEEE80211_UNLOCK(ic);
1965
1966 RT2860_SOFTC_LOCK(sc);
1967
1968 /* turn link LED off */
1969
1970 if (nstate != IEEE80211_S_RUN)
1971 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1972
1973 switch (nstate)
1974 {
1975 case IEEE80211_S_INIT:
1976 rt2860_asic_disable_tsf_sync(sc);
1977 break;
1978
1979 case IEEE80211_S_RUN:
1980 ni = vap->iv_bss;
1981
1982 rt2860_rf_set_chan(sc, ni->ni_chan);
1983
1984 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1985 {
1986 rt2860_asic_enable_mrr(sc);
1987 rt2860_asic_set_txpreamble(sc);
1988 rt2860_asic_set_basicrates(sc);
1989 rt2860_asic_update_txpower(sc);
1990 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1991 }
1992
1993 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1994 vap->iv_opmode == IEEE80211_M_IBSS ||
1995 vap->iv_opmode == IEEE80211_M_MBSS)
1996 {
1997 error = rt2860_asic_update_beacon(sc, vap);
1998 if (error != 0)
1999 break;
2000 }
2001
2002 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2003 rt2860_asic_enable_tsf_sync(sc);
2004
2005 /* turn link LED on */
2006
2007 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2008 {
2009 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2010 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2011 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2012 }
2013 break;
2014
2015 default:
2016 break;
2017 }
2018
2019 RT2860_SOFTC_UNLOCK(sc);
2020
2021 IEEE80211_LOCK(ic);
2022
2023 return error;
2024 }
2025
2026 /*
2027 * rt2860_vap_key_update_begin
2028 */
2029 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2030 {
2031 struct rt2860_softc *sc;
2032 struct ieee80211com *ic;
2033 struct ifnet *ifp;
2034
2035 ic = vap->iv_ic;
2036 ifp = ic->ic_ifp;
2037 sc = ifp->if_softc;
2038
2039 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2040 "%s: VAP key update begin\n",
2041 device_get_nameunit(sc->dev));
2042
2043 taskqueue_block(sc->taskqueue);
2044
2045 IF_LOCK(&ifp->if_snd);
2046 }
2047
2048 /*
2049 * rt2860_vap_key_update_end
2050 */
2051 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2052 {
2053 struct rt2860_softc *sc;
2054 struct ieee80211com *ic;
2055 struct ifnet *ifp;
2056
2057 ic = vap->iv_ic;
2058 ifp = ic->ic_ifp;
2059 sc = ifp->if_softc;
2060
2061 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2062 "%s: VAP key update end\n",
2063 device_get_nameunit(sc->dev));
2064
2065 IF_UNLOCK(&ifp->if_snd);
2066
2067 taskqueue_unblock(sc->taskqueue);
2068 }
2069
2070 /*
2071 * rt2860_vap_key_set
2072 */
2073 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2074 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2075 {
2076 struct rt2860_softc *sc;
2077 struct ieee80211com *ic;
2078 struct ifnet *ifp;
2079 struct ieee80211_node *ni;
2080 uint16_t associd, key_base, keymode_base;
2081 uint8_t mode, vapid, wcid, iv[8];
2082 uint32_t tmp;
2083
2084 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2085 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2086 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2087 return EINVAL;
2088
2089 ic = vap->iv_ic;
2090 ifp = ic->ic_ifp;
2091 sc = ifp->if_softc;
2092
2093 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2094 ni = vap->iv_bss;
2095 else
2096 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2097
2098 associd = (ni != NULL) ? ni->ni_associd : 0;
2099
2100 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2101 ieee80211_free_node(ni);
2102
2103 switch (k->wk_cipher->ic_cipher)
2104 {
2105 case IEEE80211_CIPHER_WEP:
2106 if(k->wk_keylen < 8)
2107 mode = RT2860_REG_CIPHER_MODE_WEP40;
2108 else
2109 mode = RT2860_REG_CIPHER_MODE_WEP104;
2110 break;
2111
2112 case IEEE80211_CIPHER_TKIP:
2113 mode = RT2860_REG_CIPHER_MODE_TKIP;
2114 break;
2115
2116 case IEEE80211_CIPHER_AES_CCM:
2117 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2118 break;
2119
2120 default:
2121 return EINVAL;
2122 }
2123
2124 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2125 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2126 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2127 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2128
2129 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2130 {
2131 /* install pairwise key */
2132
2133 vapid = 0;
2134 wcid = RT2860_AID2WCID(associd);
2135 key_base = RT2860_REG_PKEY(wcid);
2136
2137 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2138 {
2139 memset(iv, 0, 8);
2140
2141 iv[3] = (k->wk_keyix << 6);
2142 }
2143 else
2144 {
2145 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2146 {
2147 iv[0] = (k->wk_keytsc >> 8);
2148 iv[1] = ((iv[0] | 0x20) & 0x7f);
2149 iv[2] = k->wk_keytsc;
2150 }
2151 else
2152 {
2153 /* AES CCMP */
2154
2155 iv[0] = k->wk_keytsc;
2156 iv[1] = k->wk_keytsc >> 8;
2157 iv[2] = 0;
2158 }
2159
2160 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2161 iv[4] = (k->wk_keytsc >> 16);
2162 iv[5] = (k->wk_keytsc >> 24);
2163 iv[6] = (k->wk_keytsc >> 32);
2164 iv[7] = (k->wk_keytsc >> 40);
2165
2166 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2167 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2168 device_get_nameunit(sc->dev),
2169 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2170 }
2171
2172 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2173
2174 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2175 {
2176 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2177
2178 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2179 {
2180 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2181 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2182 }
2183 else
2184 {
2185 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2186 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2187 }
2188 }
2189 else
2190 {
2191 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2192 }
2193
2194 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2195 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2196
2197 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2198 }
2199
2200 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2201 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2202 {
2203 /* install group key */
2204
2205 vapid = 0;
2206 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2207 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2208
2209 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2210 {
2211 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2212
2213 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2214 {
2215 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2216 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2217 }
2218 else
2219 {
2220 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2221 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2222 }
2223 }
2224 else
2225 {
2226 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2227 }
2228
2229 tmp = rt2860_io_mac_read(sc, keymode_base);
2230
2231 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2232 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2233
2234 rt2860_io_mac_write(sc, keymode_base, tmp);
2235 }
2236
2237 return 1;
2238 }
2239
2240 /*
2241 * rt2860_vap_key_delete
2242 */
2243 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2244 const struct ieee80211_key *k)
2245 {
2246 struct rt2860_softc *sc;
2247 struct ieee80211com *ic;
2248 struct ifnet *ifp;
2249 struct ieee80211_node *ni;
2250 uint16_t associd;
2251 uint8_t vapid, wcid;
2252 uint32_t tmp;
2253
2254 ic = vap->iv_ic;
2255 ifp = ic->ic_ifp;
2256 sc = ifp->if_softc;
2257 ni = vap->iv_bss;
2258 associd = (ni != NULL) ? ni->ni_associd : 0;
2259
2260 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2261 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2262 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2263 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2264
2265 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2266 {
2267 /* remove pairwise key */
2268
2269 vapid = 0;
2270 wcid = RT2860_AID2WCID(associd);
2271
2272 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2273 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2274
2275 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2276 }
2277 else
2278 {
2279 /* remove group key */
2280
2281 vapid = 0;
2282
2283 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2284
2285 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2286 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2287
2288 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2289 }
2290
2291 return 1;
2292 }
2293
2294 /*
2295 * rt2860_vap_update_beacon
2296 */
2297 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2298 {
2299 struct rt2860_softc *sc;
2300 struct ieee80211com *ic;
2301 struct ifnet *ifp;
2302
2303 ic = vap->iv_ic;
2304 ifp = ic->ic_ifp;
2305 sc = ifp->if_softc;
2306
2307 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2308 "%s: VAP update beacon\n",
2309 device_get_nameunit(sc->dev));
2310
2311 rt2860_asic_update_beacon(sc, vap);
2312 }
2313
2314 /*
2315 * rt2860_media_change
2316 */
2317 static int rt2860_media_change(struct ifnet *ifp)
2318 {
2319 int error;
2320
2321 error = ieee80211_media_change(ifp);
2322
2323 return (error == ENETRESET ? 0 : error);
2324 }
2325
2326 /*
2327 * rt2860_node_alloc
2328 */
2329 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2330 const uint8_t mac[IEEE80211_ADDR_LEN])
2331 {
2332 return malloc(sizeof(struct rt2860_softc_node),
2333 M_80211_NODE, M_NOWAIT | M_ZERO);
2334 }
2335
2336 /*
2337 * rt2860_setregdomain
2338 */
2339 static int rt2860_setregdomain(struct ieee80211com *ic,
2340 struct ieee80211_regdomain *reg,
2341 int nchans, struct ieee80211_channel chans[])
2342 {
2343 struct rt2860_softc *sc;
2344 struct ifnet *ifp;
2345
2346 ifp = ic->ic_ifp;
2347 sc = ifp->if_softc;
2348
2349 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2350 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2351 device_get_nameunit(sc->dev),
2352 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2353
2354 return 0;
2355 }
2356
2357 /*
2358 * rt2860_getradiocaps
2359 */
2360 static void rt2860_getradiocaps(struct ieee80211com *ic,
2361 int maxchans, int *nchans, struct ieee80211_channel chans[])
2362 {
2363 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2364
2365 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2366 }
2367
2368 /*
2369 * rt2860_scan_start
2370 */
2371 static void rt2860_scan_start(struct ieee80211com *ic)
2372 {
2373 struct rt2860_softc *sc;
2374 struct ifnet *ifp;
2375
2376 ifp = ic->ic_ifp;
2377 sc = ifp->if_softc;
2378
2379 rt2860_asic_disable_tsf_sync(sc);
2380 }
2381
2382 /*
2383 * rt2860_scan_end
2384 */
2385 static void rt2860_scan_end(struct ieee80211com *ic)
2386 {
2387 struct rt2860_softc *sc;
2388 struct ifnet *ifp;
2389
2390 ifp = ic->ic_ifp;
2391 sc = ifp->if_softc;
2392
2393 rt2860_asic_enable_tsf_sync(sc);
2394 }
2395
2396 /*
2397 * rt2860_set_channel
2398 */
2399 static void rt2860_set_channel(struct ieee80211com *ic)
2400 {
2401 struct rt2860_softc *sc;
2402 struct ifnet *ifp;
2403
2404 ifp = ic->ic_ifp;
2405 sc = ifp->if_softc;
2406
2407 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2408 "%s: set channel: channel=%u, HT%s%s\n",
2409 device_get_nameunit(sc->dev),
2410 ieee80211_chan2ieee(ic, ic->ic_curchan),
2411 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2412 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2413 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2414 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2415
2416 RT2860_SOFTC_LOCK(sc);
2417
2418 rt2860_rf_set_chan(sc, ic->ic_curchan);
2419
2420 RT2860_SOFTC_UNLOCK(sc);
2421 }
2422
2423 /*
2424 * rt2860_newassoc
2425 */
2426 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2427 {
2428 struct rt2860_softc *sc;
2429 struct ieee80211com *ic;
2430 struct ifnet *ifp;
2431 struct ieee80211vap *vap;
2432 struct rt2860_softc_vap *rvap;
2433 uint16_t associd;
2434 uint8_t wcid;
2435
2436 vap = ni->ni_vap;
2437 ic = vap->iv_ic;
2438 ifp = ic->ic_ifp;
2439 sc = ifp->if_softc;
2440 rvap = (struct rt2860_softc_vap *) vap;
2441
2442 associd = (ni != NULL) ? ni->ni_associd : 0;
2443 wcid = RT2860_AID2WCID(associd);
2444
2445 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2446 "%s: new association: wcid=0x%02x, "
2447 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2448 device_get_nameunit(sc->dev), wcid,
2449 ether_sprintf(ni->ni_macaddr),
2450 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2451 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2452 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2453
2454 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2455 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2456
2457 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2458
2459 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2460 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2461 device_get_nameunit(sc->dev),
2462 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2463 ni->ni_associd, ni->ni_txrate,
2464 (ni->ni_flags & IEEE80211_NODE_HT) ?
2465 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2466 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2467
2468 rt2860_asic_updateprot(sc);
2469 rt2860_asic_updateslot(sc);
2470 rt2860_asic_set_txpreamble(sc);
2471 }
2472
2473 /*
2474 * rt2860_updateslot
2475 */
2476 static void rt2860_updateslot(struct ifnet *ifp)
2477 {
2478 struct rt2860_softc *sc;
2479
2480 sc = ifp->if_softc;
2481
2482 rt2860_asic_updateslot(sc);
2483 }
2484
2485 /*
2486 * rt2860_update_promisc
2487 */
2488 static void rt2860_update_promisc(struct ifnet *ifp)
2489 {
2490 struct rt2860_softc *sc;
2491
2492 sc = ifp->if_softc;
2493
2494 rt2860_asic_update_promisc(sc);
2495 }
2496
2497 /*
2498 * rt2860_update_mcast
2499 */
2500 static void rt2860_update_mcast(struct ifnet *ifp)
2501 {
2502 struct rt2860_softc *sc;
2503
2504 sc = ifp->if_softc;
2505 }
2506
2507 /*
2508 * rt2860_wme_update
2509 */
2510 static int rt2860_wme_update(struct ieee80211com *ic)
2511 {
2512 struct rt2860_softc *sc;
2513 struct ifnet *ifp;
2514
2515 ifp = ic->ic_ifp;
2516 sc = ifp->if_softc;
2517
2518 rt2860_asic_wme_update(sc);
2519
2520 return 0;
2521 }
2522
2523 /*
2524 * rt2860_raw_xmit
2525 */
2526 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2527 const struct ieee80211_bpf_params *params)
2528 {
2529 struct rt2860_softc *sc;
2530 struct ieee80211com *ic;
2531 struct ifnet *ifp;
2532
2533 ic = ni->ni_ic;
2534 ifp = ic->ic_ifp;
2535 sc = ifp->if_softc;
2536
2537 RT2860_SOFTC_LOCK(sc);
2538
2539 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2540 {
2541 RT2860_SOFTC_UNLOCK(sc);
2542
2543 m_freem(m);
2544 ieee80211_free_node(ni);
2545
2546 return ENETDOWN;
2547 }
2548
2549 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2550 {
2551 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2552 "%s: raw xmit: Tx ring with qid=%d is full\n",
2553 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2554
2555 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2556
2557 RT2860_SOFTC_UNLOCK(sc);
2558
2559 m_freem(m);
2560 ieee80211_free_node(ni);
2561
2562 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2563
2564 return ENOBUFS;
2565 }
2566
2567 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2568 {
2569 ifp->if_oerrors++;
2570
2571 RT2860_SOFTC_UNLOCK(sc);
2572
2573 ieee80211_free_node(ni);
2574
2575 return EIO;
2576 }
2577
2578 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2579
2580 RT2860_SOFTC_UNLOCK(sc);
2581
2582 return 0;
2583 }
2584
2585 /*
2586 * rt2860_recv_action
2587 */
2588 static int rt2860_recv_action(struct ieee80211_node *ni,
2589 const struct ieee80211_frame *wh,
2590 const uint8_t *frm, const uint8_t *efrm)
2591 {
2592 struct rt2860_softc *sc;
2593 struct ieee80211com *ic;
2594 struct ifnet *ifp;
2595 const struct ieee80211_action *ia;
2596 uint16_t associd, status, baparamset;
2597 uint8_t wcid;
2598 int ret, tid, bufsize;
2599 uint32_t tmp;
2600
2601 ic = ni->ni_ic;
2602 ifp = ic->ic_ifp;
2603 sc = ifp->if_softc;
2604
2605 ia = (const struct ieee80211_action *) frm;
2606
2607 ret = sc->recv_action(ni, wh, frm, efrm);
2608
2609 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2610 return ret;
2611
2612 associd = (ni != NULL) ? ni->ni_associd : 0;
2613 wcid = RT2860_AID2WCID(associd);
2614
2615 switch (ia->ia_action)
2616 {
2617 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2618 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2619 baparamset = LE_READ_2(frm + 3);
2620 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2621 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2622
2623 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2624 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2625 device_get_nameunit(sc->dev), associd, tid, bufsize);
2626
2627 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2628
2629 tmp |= (0x10000 << tid);
2630
2631 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2632 break;
2633
2634 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2635 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2636 status = LE_READ_2(frm + 3);
2637 baparamset = LE_READ_2(frm + 4);
2638 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2639 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2640
2641 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2642 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2643 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2644
2645 if (status == IEEE80211_STATUS_SUCCESS)
2646 {
2647 sc->tx_ampdu_sessions++;
2648
2649 rt2860_asic_updateprot(sc);
2650 }
2651 break;
2652
2653 /* IEEE80211_ACTION_BA_DELBA */
2654 case IEEE80211_ACTION_BA_DELBA:
2655 baparamset = LE_READ_2(frm + 2);
2656 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2657
2658 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2659 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2660 device_get_nameunit(sc->dev), associd, tid);
2661
2662 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2663
2664 tmp &= ~(0x10000 << tid);
2665
2666 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2667 break;
2668 }
2669
2670 return ret;
2671 }
2672
2673 /*
2674 * rt2860_send_action
2675 */
2676 static int rt2860_send_action(struct ieee80211_node *ni,
2677 int cat, int act, void *sa)
2678 {
2679 struct rt2860_softc *sc;
2680 struct ieee80211com *ic;
2681 struct ifnet *ifp;
2682 uint16_t associd, *args, baparamset;
2683 uint8_t wcid;
2684 int ret, tid;
2685 uint32_t tmp;
2686
2687 ic = ni->ni_ic;
2688 ifp = ic->ic_ifp;
2689 sc = ifp->if_softc;
2690
2691 ret = sc->send_action(ni, cat, act, sa);
2692
2693 if (cat != IEEE80211_ACTION_CAT_BA)
2694 return ret;
2695
2696 associd = (ni != NULL) ? ni->ni_associd : 0;
2697 wcid = RT2860_AID2WCID(associd);
2698 args = sa;
2699
2700 switch (act)
2701 {
2702 /* IEEE80211_ACTION_BA_DELBA */
2703 case IEEE80211_ACTION_BA_DELBA:
2704 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2705
2706 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2707
2708 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2709 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2710 device_get_nameunit(sc->dev), associd, tid);
2711
2712 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2713 {
2714 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2715
2716 tmp &= ~(0x10000 << tid);
2717
2718 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2719 }
2720 else
2721 {
2722 sc->tx_ampdu_sessions--;
2723
2724 rt2860_asic_updateprot(sc);
2725 }
2726 break;
2727 }
2728
2729 return ret;
2730 }
2731
2732 /*
2733 * rt2860_amrr_update_iter_func
2734 */
2735 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2736 {
2737 struct rt2860_softc *sc;
2738 struct ieee80211com *ic;
2739 struct ifnet *ifp;
2740 struct ieee80211vap *vap;
2741 struct rt2860_softc_vap *rvap;
2742 uint8_t wcid;
2743
2744 vap = arg;
2745 ic = vap->iv_ic;
2746 ifp = ic->ic_ifp;
2747 sc = ifp->if_softc;
2748 rvap = (struct rt2860_softc_vap *) vap;
2749
2750 /* only associated stations */
2751
2752 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2753 {
2754 wcid = RT2860_AID2WCID(ni->ni_associd);
2755
2756 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2757 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2758 device_get_nameunit(sc->dev),
2759 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2760
2761 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2762
2763 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2764 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2765 device_get_nameunit(sc->dev),
2766 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2767 ni->ni_associd, ni->ni_txrate,
2768 (ni->ni_flags & IEEE80211_NODE_HT) ?
2769 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2770 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2771 }
2772 }
2773
2774 /*
2775 * rt2860_periodic
2776 */
2777 static void rt2860_periodic(void *arg)
2778 {
2779 struct rt2860_softc *sc;
2780
2781 sc = arg;
2782
2783 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2784 "%s: periodic\n",
2785 device_get_nameunit(sc->dev));
2786
2787 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2788 }
2789
2790 /*
2791 * rt2860_tx_watchdog
2792 */
2793 static void rt2860_tx_watchdog(void *arg)
2794 {
2795 struct rt2860_softc *sc;
2796 struct ifnet *ifp;
2797
2798 sc = arg;
2799 ifp = sc->ifp;
2800
2801 if (sc->tx_timer == 0)
2802 return;
2803
2804 if (--sc->tx_timer == 0)
2805 {
2806 printf("%s: Tx watchdog timeout: resetting\n",
2807 device_get_nameunit(sc->dev));
2808
2809 rt2860_stop_locked(sc);
2810 rt2860_init_locked(sc);
2811
2812 ifp->if_oerrors++;
2813
2814 sc->tx_watchdog_timeouts++;
2815 }
2816
2817 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2818 }
2819
2820 /*
2821 * rt2860_asic_set_bssid
2822 */
2823 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2824 const uint8_t *bssid)
2825 {
2826 uint32_t tmp;
2827
2828 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2829 "%s: set bssid: bssid=%s\n",
2830 device_get_nameunit(sc->dev),
2831 ether_sprintf(bssid));
2832
2833 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2834
2835 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2836
2837 tmp = bssid[4] | (bssid[5] << 8);
2838
2839 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2840 }
2841
2842 /*
2843 * rt2860_asic_set_macaddr
2844 */
2845 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2846 const uint8_t *addr)
2847 {
2848 uint32_t tmp;
2849
2850 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2851
2852 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2853
2854 tmp = addr[4] | (addr[5] << 8);
2855
2856 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2857 }
2858
2859 /*
2860 * rt2860_asic_enable_tsf_sync
2861 */
2862 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2863 {
2864 struct ifnet *ifp;
2865 struct ieee80211com *ic;
2866 struct ieee80211vap *vap;
2867 uint32_t tmp;
2868
2869 ifp = sc->ifp;
2870 ic = ifp->if_l2com;
2871 vap = TAILQ_FIRST(&ic->ic_vaps);
2872
2873 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2874 "%s: enabling TSF\n",
2875 device_get_nameunit(sc->dev));
2876
2877 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2878
2879 tmp &= ~0x1fffff;
2880 tmp |= vap->iv_bss->ni_intval * 16;
2881 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2882
2883 if (vap->iv_opmode == IEEE80211_M_STA)
2884 {
2885 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2886 }
2887 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2888 {
2889 tmp |= RT2860_REG_BCN_TX_ENABLE;
2890 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2891 }
2892 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2893 {
2894 tmp |= RT2860_REG_BCN_TX_ENABLE;
2895 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2896 }
2897
2898 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2899 }
2900
2901 /*
2902 * rt2860_asic_disable_tsf_sync
2903 */
2904 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2905 {
2906 uint32_t tmp;
2907
2908 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2909 "%s: disabling TSF\n",
2910 device_get_nameunit(sc->dev));
2911
2912 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2913
2914 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2915 RT2860_REG_TSF_TIMER_ENABLE |
2916 RT2860_REG_TBTT_TIMER_ENABLE);
2917
2918 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2919 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2920
2921 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2922 }
2923
2924 /*
2925 * rt2860_asic_enable_mrr
2926 */
2927 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2928 {
2929 #define CCK(mcs) (mcs)
2930 #define OFDM(mcs) ((1 << 3) | (mcs))
2931 #define HT(mcs) (mcs)
2932
2933 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2934 (OFDM(6) << 28) | /* 54 -> 48 */
2935 (OFDM(5) << 24) | /* 48 -> 36 */
2936 (OFDM(4) << 20) | /* 36 -> 24 */
2937 (OFDM(3) << 16) | /* 24 -> 18 */
2938 (OFDM(2) << 12) | /* 18 -> 12 */
2939 (OFDM(1) << 8) | /* 12 -> 9 */
2940 (OFDM(0) << 4) | /* 9 -> 6 */
2941 OFDM(0)); /* 6 -> 6 */
2942
2943 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2944 (CCK(2) << 12) | /* 11 -> 5.5 */
2945 (CCK(1) << 8) | /* 5.5 -> 2 */
2946 (CCK(0) << 4) | /* 2 -> 1 */
2947 CCK(0)); /* 1 -> 1 */
2948
2949 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2950 (HT(6) << 28) |
2951 (HT(5) << 24) |
2952 (HT(4) << 20) |
2953 (HT(3) << 16) |
2954 (HT(2) << 12) |
2955 (HT(1) << 8) |
2956 (HT(0) << 4) |
2957 HT(0));
2958
2959 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2960 (HT(14) << 28) |
2961 (HT(13) << 24) |
2962 (HT(12) << 20) |
2963 (HT(11) << 16) |
2964 (HT(10) << 12) |
2965 (HT(9) << 8) |
2966 (HT(8) << 4) |
2967 HT(7));
2968
2969 #undef HT
2970 #undef OFDM
2971 #undef CCK
2972 }
2973
2974 /*
2975 * rt2860_asic_set_txpreamble
2976 */
2977 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2978 {
2979 struct ifnet *ifp;
2980 struct ieee80211com *ic;
2981 uint32_t tmp;
2982
2983 ifp = sc->ifp;
2984 ic = ifp->if_l2com;
2985
2986 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2987 "%s: %s short Tx preamble\n",
2988 device_get_nameunit(sc->dev),
2989 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2990
2991 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2992
2993 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2994
2995 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2996 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2997
2998 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2999 }
3000
3001 /*
3002 * rt2860_asic_set_basicrates
3003 */
3004 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3005 {
3006 struct ifnet *ifp;
3007 struct ieee80211com *ic;
3008
3009 ifp = sc->ifp;
3010 ic = ifp->if_l2com;
3011
3012 if (ic->ic_curmode == IEEE80211_MODE_11B)
3013 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3014 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3015 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3016 else
3017 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3018 }
3019
3020 /*
3021 * rt2860_asic_update_rtsthreshold
3022 */
3023 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3024 {
3025 struct ifnet *ifp;
3026 struct ieee80211com *ic;
3027 struct ieee80211vap *vap;
3028 uint32_t tmp;
3029 uint16_t threshold;
3030
3031 ifp = sc->ifp;
3032 ic = ifp->if_l2com;
3033 vap = TAILQ_FIRST(&ic->ic_vaps);
3034
3035 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3036 "%s: updating RTS threshold: %d\n",
3037 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3038
3039 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3040
3041 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3042
3043 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
3044 vap->iv_rtsthreshold : 0x1000;
3045
3046 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3047 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3048
3049 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3050 }
3051
3052 /*
3053 * rt2860_asic_update_txpower
3054 */
3055 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3056 {
3057 struct ifnet *ifp;
3058 struct ieee80211com *ic;
3059 uint32_t *txpow_rate;
3060 int8_t delta;
3061 uint8_t val;
3062 uint32_t tmp;
3063 int i;
3064
3065 ifp = sc->ifp;
3066 ic = ifp->if_l2com;
3067
3068 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3069 "%s: updating Tx power: %d\n",
3070 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3071
3072 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3073 {
3074 txpow_rate = sc->txpow_rate_20mhz;
3075 }
3076 else
3077 {
3078 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3079 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3080 else
3081 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3082 }
3083
3084 delta = 0;
3085
3086 val = rt2860_io_bbp_read(sc, 1);
3087 val &= 0xfc;
3088
3089 if (ic->ic_txpowlimit > 90)
3090 {
3091 /* do nothing */
3092 }
3093 else if (ic->ic_txpowlimit > 60)
3094 {
3095 delta -= 1;
3096 }
3097 else if (ic->ic_txpowlimit > 30)
3098 {
3099 delta -= 3;
3100 }
3101 else if (ic->ic_txpowlimit > 15)
3102 {
3103 val |= 0x1;
3104 }
3105 else if (ic->ic_txpowlimit > 9)
3106 {
3107 val |= 0x1;
3108 delta -= 3;
3109 }
3110 else
3111 {
3112 val |= 0x2;
3113 }
3114
3115 rt2860_io_bbp_write(sc, 1, val);
3116
3117 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3118 {
3119 if (txpow_rate[i] == 0xffffffff)
3120 continue;
3121
3122 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3123
3124 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3125 }
3126 }
3127
3128 /*
3129 * rt2860_asic_update_promisc
3130 */
3131 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3132 {
3133 struct ifnet *ifp;
3134 uint32_t tmp;
3135
3136 ifp = sc->ifp;
3137
3138 printf("%s: %s promiscuous mode\n",
3139 device_get_nameunit(sc->dev),
3140 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3141
3142 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3143
3144 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3145
3146 if (!(ifp->if_flags & IFF_PROMISC))
3147 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3148
3149 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3150 }
3151
3152 /*
3153 * rt2860_asic_updateprot
3154 */
3155 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3156 {
3157 struct ifnet *ifp;
3158 struct ieee80211com *ic;
3159 struct ieee80211vap *vap;
3160 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3161 uint8_t htopmode;
3162 enum ieee80211_protmode htprotmode;
3163
3164 ifp = sc->ifp;
3165 ic = ifp->if_l2com;
3166 vap = TAILQ_FIRST(&ic->ic_vaps);
3167
3168 /* CCK frame protection */
3169
3170 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3171 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3172
3173 /* set up protection frame phy mode and rate (MCS code) */
3174
3175 if (ic->ic_curmode == IEEE80211_MODE_11A)
3176 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3177 (0 << RT2860_REG_PROT_MCS_SHIFT);
3178 else
3179 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3180 (3 << RT2860_REG_PROT_MCS_SHIFT));
3181
3182 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3183
3184 /* OFDM frame protection */
3185
3186 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3187 RT2860_REG_TXOP_ALLOW_ALL;
3188
3189 if (ic->ic_flags & IEEE80211_F_USEPROT)
3190 {
3191 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3192 "%s: updating protection mode: b/g protection mode=%s\n",
3193 device_get_nameunit(sc->dev),
3194 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3195 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3196
3197 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3198 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3199 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3200 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3201 else
3202 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3203 }
3204 else
3205 {
3206 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3207 "%s: updating protection mode: b/g protection mode=%s\n",
3208 device_get_nameunit(sc->dev), "none");
3209
3210 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3211 }
3212
3213 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3214
3215 /* HT frame protection */
3216
3217 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3218 htopmode = vap->iv_bss->ni_htopmode;
3219 else
3220 htopmode = ic->ic_curhtprotmode;
3221
3222 htprotmode = ic->ic_htprotmode;
3223
3224 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3225
3226 if (sc->tx_ampdu_sessions > 0)
3227 {
3228 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3229 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3230 device_get_nameunit(sc->dev));
3231
3232 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3233 htprotmode = IEEE80211_PROT_RTSCTS;
3234 }
3235
3236 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3237 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3238 device_get_nameunit(sc->dev),
3239 htopmode & IEEE80211_HTINFO_OPMODE,
3240 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3241 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3242
3243 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3244 {
3245 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3246 case IEEE80211_HTINFO_OPMODE_HT20PR:
3247 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3248 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3249 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3250 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3251 (4 << RT2860_REG_PROT_MCS_SHIFT);
3252
3253 gf20_prot = mm20_prot;
3254
3255 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3256 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3257 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3258
3259 if (htprotmode == IEEE80211_PROT_RTSCTS)
3260 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3261 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3262 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3263 else
3264 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3265
3266 gf40_prot = mm40_prot;
3267 break;
3268
3269 /* IEEE80211_HTINFO_OPMODE_MIXED */
3270 case IEEE80211_HTINFO_OPMODE_MIXED:
3271 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3272 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3273 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3274
3275 if (ic->ic_flags & IEEE80211_F_USEPROT)
3276 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3277 (3 << RT2860_REG_PROT_MCS_SHIFT);
3278 else
3279 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3280 (4 << RT2860_REG_PROT_MCS_SHIFT);
3281
3282 if (htprotmode == IEEE80211_PROT_RTSCTS)
3283 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3284 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3285 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3286 else
3287 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3288
3289 gf20_prot = mm20_prot;
3290
3291 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3292
3293 if (ic->ic_flags & IEEE80211_F_USEPROT)
3294 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3295 (3 << RT2860_REG_PROT_MCS_SHIFT);
3296 else
3297 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3298 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3299
3300 if (htprotmode == IEEE80211_PROT_RTSCTS)
3301 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3302 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3303 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3304 else
3305 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3306
3307 gf40_prot = mm40_prot;
3308 break;
3309
3310 /*
3311 * IEEE80211_HTINFO_OPMODE_PURE
3312 * IEEE80211_HTINFO_OPMODE_PROTOPT
3313 */
3314 case IEEE80211_HTINFO_OPMODE_PURE:
3315 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3316 default:
3317 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3318 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3319 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3320 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3321 (4 << RT2860_REG_PROT_MCS_SHIFT);
3322
3323 gf20_prot = mm20_prot;
3324
3325 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3326 RT2860_REG_TXOP_ALLOW_ALL |
3327 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3328 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3329
3330 gf40_prot = mm40_prot;
3331 break;
3332 }
3333
3334 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3335 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3336 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3337 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3338 }
3339
3340 /*
3341 * rt2860_asic_updateslot
3342 */
3343 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3344 {
3345 struct ifnet *ifp;
3346 struct ieee80211com *ic;
3347 uint32_t tmp;
3348
3349 ifp = sc->ifp;
3350 ic = ifp->if_l2com;
3351
3352 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3353 "%s: %s short slot time\n",
3354 device_get_nameunit(sc->dev),
3355 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3356
3357 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3358
3359 tmp &= ~0xff;
3360 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3361
3362 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3363 }
3364
3365 /*
3366 * rt2860_asic_wme_update
3367 */
3368 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3369 {
3370 struct ifnet *ifp;
3371 struct ieee80211com *ic;
3372 struct ieee80211_wme_state *wme;
3373 const struct wmeParams *wmep;
3374 int i;
3375
3376 ifp = sc->ifp;
3377 ic = ifp->if_l2com;
3378 wme = &ic->ic_wme;
3379 wmep = wme->wme_chanParams.cap_wmeParams;
3380
3381 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3382 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3383 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3384 device_get_nameunit(sc->dev),
3385 wmep[WME_AC_VO].wmep_aifsn,
3386 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3387 wmep[WME_AC_VO].wmep_txopLimit,
3388 wmep[WME_AC_VI].wmep_aifsn,
3389 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3390 wmep[WME_AC_VI].wmep_txopLimit,
3391 wmep[WME_AC_BK].wmep_aifsn,
3392 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3393 wmep[WME_AC_BK].wmep_txopLimit,
3394 wmep[WME_AC_BE].wmep_aifsn,
3395 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3396 wmep[WME_AC_BE].wmep_txopLimit);
3397
3398 for (i = 0; i < WME_NUM_AC; i++)
3399 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3400 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3401 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3402
3403 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3404 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3405 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3406
3407 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3408 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3409 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3410
3411 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3412 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3413 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3414
3415 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3416 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3417
3418 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3419 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3420 }
3421
3422 /*
3423 * rt2860_asic_update_beacon
3424 */
3425 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3426 struct ieee80211vap *vap)
3427 {
3428 struct ifnet *ifp;
3429 struct ieee80211com *ic;
3430 struct rt2860_softc_vap *rvap;
3431 const struct ieee80211_txparam *tp;
3432 struct mbuf *m;
3433 struct rt2860_txwi txwi;
3434 uint8_t rate, mcs;
3435 uint32_t tmp;
3436
3437 ifp = sc->ifp;
3438 ic = ifp->if_l2com;
3439 rvap = (struct rt2860_softc_vap *) vap;
3440 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3441
3442 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3443 if (m == NULL)
3444 return ENOMEM;
3445
3446 rate = tp->mgmtrate;
3447 mcs = rt2860_rate2mcs(rate);
3448
3449 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3450
3451 txwi.wcid = 0xff;
3452 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3453 RT2860_TXWI_MPDU_LEN_SHIFT);
3454 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3455 txwi.mpdu_density_flags |=
3456 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3457 txwi.bawin_size_xflags |=
3458 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3459
3460 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3461 {
3462 txwi.phymode_ifs_stbc_shortgi =
3463 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3464
3465 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3466 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3467 }
3468 else
3469 {
3470 txwi.phymode_ifs_stbc_shortgi =
3471 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3472 }
3473
3474 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3475 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3476
3477 /* disable temporarily TSF sync */
3478
3479 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3480
3481 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3482 RT2860_REG_TSF_TIMER_ENABLE |
3483 RT2860_REG_TBTT_TIMER_ENABLE);
3484
3485 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3486
3487 /* write Tx wireless info and beacon frame to on-chip memory */
3488
3489 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3490 &txwi, sizeof(struct rt2860_txwi));
3491
3492 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3493 mtod(m, uint8_t *), m->m_pkthdr.len);
3494
3495 /* enable again TSF sync */
3496
3497 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3498
3499 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3500 RT2860_REG_TSF_TIMER_ENABLE |
3501 RT2860_REG_TBTT_TIMER_ENABLE);
3502
3503 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3504
3505 m_freem(m);
3506
3507 return 0;
3508 }
3509
3510 /*
3511 * rt2860_asic_clear_keytables
3512 */
3513 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3514 {
3515 int i;
3516
3517 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3518
3519 for (i = 0; i < 256; i++)
3520 {
3521 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3522 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3523 }
3524
3525 /* clear WCID attribute table (entries = 256, entry size = 4) */
3526
3527 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3528
3529 /* clear IV/EIV table (entries = 256, entry size = 8) */
3530
3531 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3532
3533 /* clear pairwise key table (entries = 256, entry size = 32) */
3534
3535 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3536
3537 /* clear shared key table (entries = 32, entry size = 32) */
3538
3539 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3540
3541 /* clear shared key mode (entries = 32, entry size = 2) */
3542
3543 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3544 }
3545
3546 /*
3547 * rt2860_rxrate
3548 */
3549 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3550 {
3551 uint8_t mcs, phymode;
3552 uint8_t rate;
3553
3554 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3555 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3556 RT2860_RXWI_PHYMODE_MASK;
3557
3558 rate = 2;
3559
3560 switch (phymode)
3561 {
3562 case RT2860_RXWI_PHYMODE_CCK:
3563 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3564 {
3565 case 0: rate = 2; break; /* 1 Mbps */
3566 case 1: rate = 4; break; /* 2 MBps */
3567 case 2: rate = 11; break; /* 5.5 Mbps */
3568 case 3: rate = 22; break; /* 11 Mbps */
3569 }
3570 break;
3571
3572 case RT2860_RXWI_PHYMODE_OFDM:
3573 switch (mcs)
3574 {
3575 case 0: rate = 12; break; /* 6 Mbps */
3576 case 1: rate = 18; break; /* 9 Mbps */
3577 case 2: rate = 24; break; /* 12 Mbps */
3578 case 3: rate = 36; break; /* 18 Mbps */
3579 case 4: rate = 48; break; /* 24 Mbps */
3580 case 5: rate = 72; break; /* 36 Mbps */
3581 case 6: rate = 96; break; /* 48 Mbps */
3582 case 7: rate = 108; break; /* 54 Mbps */
3583 }
3584 break;
3585
3586 case RT2860_RXWI_PHYMODE_HT_MIXED:
3587 case RT2860_RXWI_PHYMODE_HT_GF:
3588 break;
3589 }
3590
3591 return rate;
3592 }
3593
3594 /*
3595 * rt2860_maxrssi_rxpath
3596 */
3597 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3598 const struct rt2860_rxwi *rxwi)
3599 {
3600 uint8_t rxpath;
3601
3602 rxpath = 0;
3603
3604 if (sc->nrxpath > 1)
3605 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3606 rxpath = 1;
3607
3608 if (sc->nrxpath > 2)
3609 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3610 rxpath = 2;
3611
3612 return rxpath;
3613 }
3614
3615 /*
3616 * rt2860_rssi2dbm
3617 */
3618 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3619 uint8_t rssi, uint8_t rxpath)
3620 {
3621 struct ifnet *ifp;
3622 struct ieee80211com *ic;
3623 struct ieee80211_channel *c;
3624 int chan;
3625 int8_t rssi_off, lna_gain;
3626
3627 if (rssi == 0)
3628 return -99;
3629
3630 ifp = sc->ifp;
3631 ic = ifp->if_l2com;
3632 c = ic->ic_curchan;
3633 chan = ieee80211_chan2ieee(ic, c);
3634
3635 if (IEEE80211_IS_CHAN_5GHZ(c))
3636 {
3637 rssi_off = sc->rssi_off_5ghz[rxpath];
3638
3639 if (chan <= 64)
3640 lna_gain = sc->lna_gain[1];
3641 else if (chan <= 128)
3642 lna_gain = sc->lna_gain[2];
3643 else
3644 lna_gain = sc->lna_gain[3];
3645 }
3646 else
3647 {
3648 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3649 lna_gain = sc->lna_gain[0];
3650 }
3651
3652 return (-12 - rssi_off - lna_gain - rssi);
3653 }
3654
3655 /*
3656 * rt2860_rate2mcs
3657 */
3658 static uint8_t rt2860_rate2mcs(uint8_t rate)
3659 {
3660 switch (rate)
3661 {
3662 /* CCK rates */
3663 case 2: return 0;
3664 case 4: return 1;
3665 case 11: return 2;
3666 case 22: return 3;
3667
3668 /* OFDM rates */
3669 case 12: return 0;
3670 case 18: return 1;
3671 case 24: return 2;
3672 case 36: return 3;
3673 case 48: return 4;
3674 case 72: return 5;
3675 case 96: return 6;
3676 case 108: return 7;
3677 }
3678
3679 return 0;
3680 }
3681
3682 /*
3683 * rt2860_tx_mgmt
3684 */
3685 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3686 struct mbuf *m, struct ieee80211_node *ni, int qid)
3687 {
3688 struct ifnet *ifp;
3689 struct ieee80211com *ic;
3690 struct ieee80211vap *vap;
3691 const struct ieee80211_txparam *tp;
3692 struct rt2860_softc_node *rni;
3693 struct rt2860_softc_tx_ring *ring;
3694 struct rt2860_softc_tx_data *data;
3695 struct rt2860_txdesc *desc;
3696 struct rt2860_txwi *txwi;
3697 struct ieee80211_frame *wh;
3698 struct rt2860_softc_tx_radiotap_header *tap;
3699 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3700 u_int hdrsize, hdrspace;
3701 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3702 uint16_t len, dmalen, mpdu_len, dur;
3703 int error, ndmasegs, ndescs, i, j;
3704
3705 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3706 ("%s: Tx MGMT: invalid qid=%d\n",
3707 device_get_nameunit(sc->dev), qid));
3708
3709 ifp = sc->ifp;
3710 ic = ifp->if_l2com;
3711 vap = ni->ni_vap;
3712 rni = (struct rt2860_softc_node *) ni;
3713 tp = ni->ni_txparms;
3714
3715 ring = &sc->tx_ring[qid];
3716 desc = &ring->desc[ring->desc_cur];
3717 data = &ring->data[ring->data_cur];
3718 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3719
3720 wh = mtod(m, struct ieee80211_frame *);
3721
3722 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3723
3724 /* fill Tx wireless info */
3725
3726 if (ni->ni_flags & IEEE80211_NODE_HT)
3727 mcs = rate;
3728 else
3729 mcs = rt2860_rate2mcs(rate);
3730
3731 pid = mcs;
3732
3733 /* calculate MPDU length without padding */
3734
3735 hdrsize = ieee80211_hdrsize(wh);
3736 hdrspace = ieee80211_hdrspace(ic, wh);
3737 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3738
3739 memset(txwi, 0, sizeof(struct rt2860_txwi));
3740
3741 /* management frames do not need encryption */
3742
3743 txwi->wcid = 0xff;
3744
3745 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3746 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3747 RT2860_TXWI_MPDU_LEN_SHIFT);
3748
3749 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3750
3751 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3752 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
3753
3754 txwi->phymode_ifs_stbc_shortgi |=
3755 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3756 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3757
3758 if (ni->ni_flags & IEEE80211_NODE_HT)
3759 {
3760 txwi->phymode_ifs_stbc_shortgi |=
3761 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3762 }
3763 else
3764 {
3765 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3766 {
3767 txwi->phymode_ifs_stbc_shortgi |=
3768 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3769
3770 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3771 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3772 }
3773 else
3774 {
3775 txwi->phymode_ifs_stbc_shortgi |=
3776 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3777 }
3778 }
3779
3780 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3781 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3782
3783 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3784
3785 /* skip ACKs for multicast frames and probe responses */
3786
3787 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3788 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3789 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3790 {
3791 txwi->bawin_size_xflags |=
3792 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3793
3794 if (ni->ni_flags & IEEE80211_NODE_HT)
3795 {
3796 /* preamble + plcp + signal extension + SIFS */
3797
3798 dur = 16 + 4 + 6 + 10;
3799 }
3800 else
3801 {
3802 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3803 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3804 }
3805
3806 *(uint16_t *) wh->i_dur = htole16(dur);
3807 }
3808
3809 /* ask MAC to insert timestamp into probe responses */
3810
3811 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3812 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3813 txwi->mpdu_density_flags |=
3814 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3815
3816 if (ieee80211_radiotap_active_vap(vap))
3817 {
3818 tap = &sc->txtap;
3819
3820 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3821 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3822 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3823 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3824 tap->chan_maxpow = 0;
3825
3826 if (ni->ni_flags & IEEE80211_NODE_HT)
3827 tap->rate = mcs | IEEE80211_RATE_MCS;
3828 else
3829 tap->rate = rate;
3830
3831 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3832 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3833
3834 if (shortgi)
3835 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3836
3837 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3838 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3839
3840 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3841 {
3842 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3843
3844 ieee80211_radiotap_tx(vap, m);
3845
3846 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3847 }
3848 else
3849 {
3850 ieee80211_radiotap_tx(vap, m);
3851 }
3852 }
3853
3854 /* copy and trim 802.11 header */
3855
3856 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3857 m_adj(m, hdrspace);
3858
3859 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3860 dma_seg, &ndmasegs, 0);
3861 if (error != 0)
3862 {
3863 /* too many fragments, linearize */
3864
3865 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3866 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
3867 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3868
3869 m = m_defrag(m, M_DONTWAIT);
3870 if (m == NULL)
3871 return ENOMEM;
3872
3873 sc->tx_defrag_packets++;
3874
3875 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3876 dma_seg, &ndmasegs, 0);
3877 if (error != 0)
3878 {
3879 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
3880 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3881 m_freem(m);
3882 return error;
3883 }
3884 }
3885
3886 if (m->m_pkthdr.len == 0)
3887 ndmasegs = 0;
3888
3889 /* determine how many Tx descs are required */
3890
3891 ndescs = 1 + ndmasegs / 2;
3892 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3893 {
3894 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3895 "%s: there are not enough Tx descs\n",
3896 device_get_nameunit(sc->dev));
3897
3898 sc->no_tx_desc_avail++;
3899
3900 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3901 m_freem(m);
3902 return EFBIG;
3903 }
3904
3905 data->m = m;
3906 data->ni = ni;
3907
3908 /* set up Tx descs */
3909
3910 /* first segment is Tx wireless info and 802.11 header */
3911
3912 len = sizeof(struct rt2860_txwi) + hdrsize;
3913
3914 /* align end on a 4-bytes boundary */
3915
3916 dmalen = (len + 3) & ~ 3;
3917
3918 memset((caddr_t) txwi + len, 0, dmalen - len);
3919
3920 qsel = RT2860_TXDESC_QSEL_EDCA;
3921
3922 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3923 desc->sdl0 = htole16(dmalen);
3924 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3925
3926 /* set up payload segments */
3927
3928 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3929 {
3930 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3931 desc->sdl1 = htole16(dma_seg[j].ds_len);
3932
3933 ring->desc_queued++;
3934 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3935
3936 j++;
3937
3938 desc = &ring->desc[ring->desc_cur];
3939
3940 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3941 desc->sdl0 = htole16(dma_seg[j].ds_len);
3942 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3943
3944 j++;
3945 }
3946
3947 /* finalize last payload segment */
3948
3949 if (i > 0)
3950 {
3951 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3952 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3953 }
3954 else
3955 {
3956 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3957 desc->sdl1 = 0;
3958 }
3959
3960 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3961 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3962 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3963 device_get_nameunit(sc->dev),
3964 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3965 stbc, shortgi, mcs, dmalen, ndmasegs,
3966 (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);
3967
3968 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3969 BUS_DMASYNC_PREWRITE);
3970 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3971 BUS_DMASYNC_PREWRITE);
3972 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3973 BUS_DMASYNC_PREWRITE);
3974
3975 ring->desc_queued++;
3976 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3977
3978 ring->data_queued++;
3979 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3980
3981 /* kick Tx */
3982
3983 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3984
3985 return 0;
3986 }
3987
3988 /*
3989 * rt2860_tx_data
3990 */
3991 static int rt2860_tx_data(struct rt2860_softc *sc,
3992 struct mbuf *m, struct ieee80211_node *ni, int qid)
3993 {
3994 struct ifnet *ifp;
3995 struct ieee80211com *ic;
3996 struct ieee80211vap *vap;
3997 const struct ieee80211_txparam *tp;
3998 struct rt2860_softc_node *rni;
3999 struct rt2860_softc_tx_ring *ring;
4000 struct rt2860_softc_tx_data *data;
4001 struct rt2860_txdesc *desc;
4002 struct rt2860_txwi *txwi;
4003 struct ieee80211_frame *wh;
4004 struct ieee80211_tx_ampdu *tx_ampdu;
4005 ieee80211_seq seqno;
4006 struct rt2860_softc_tx_radiotap_header *tap;
4007 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4008 u_int hdrsize, hdrspace;
4009 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4010 uint16_t qos, len, dmalen, mpdu_len, dur;
4011 int error, hasqos, ac, tid, ampdu, ndmasegs, ndescs, i, j;
4012
4013 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4014 ("%s: Tx data: invalid qid=%d\n",
4015 device_get_nameunit(sc->dev), qid));
4016
4017 ifp = sc->ifp;
4018 ic = ifp->if_l2com;
4019 vap = ni->ni_vap;
4020 rni = (struct rt2860_softc_node *) ni;
4021 tp = ni->ni_txparms;
4022
4023 ring = &sc->tx_ring[qid];
4024 desc = &ring->desc[ring->desc_cur];
4025 data = &ring->data[ring->data_cur];
4026 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4027
4028 wh = mtod(m, struct ieee80211_frame *);
4029
4030 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4031
4032 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4033 if (hasqos)
4034 {
4035 if (IEEE80211_HAS_ADDR4(wh))
4036 qos = le16toh(*(const uint16_t *)
4037 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4038 else
4039 qos = le16toh(*(const uint16_t *)
4040 (((struct ieee80211_qosframe *) wh)->i_qos));
4041 }
4042 else
4043 {
4044 qos = 0;
4045 }
4046
4047 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4048 rate = tp->mcastrate;
4049 else if (m->m_flags & M_EAPOL)
4050 rate = tp->mgmtrate;
4051 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4052 rate = tp->ucastrate;
4053 else
4054 rate = ni->ni_txrate;
4055
4056 rate &= IEEE80211_RATE_VAL;
4057
4058 /* fill Tx wireless info */
4059
4060 if (ni->ni_flags & IEEE80211_NODE_HT)
4061 mcs = rate;
4062 else
4063 mcs = rt2860_rate2mcs(rate);
4064
4065 pid = mcs;
4066
4067 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4068 RT2860_AID2WCID(ni->ni_associd) : 0xff;
4069
4070 /* calculate MPDU length without padding */
4071
4072 hdrsize = ieee80211_hdrsize(wh);
4073 hdrspace = ieee80211_hdrspace(ic, wh);
4074 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4075
4076 memset(txwi, 0, sizeof(struct rt2860_txwi));
4077
4078 txwi->wcid = wcid;
4079
4080 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4081 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4082 RT2860_TXWI_MPDU_LEN_SHIFT);
4083
4084 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4085
4086 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4087 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4088
4089 txwi->phymode_ifs_stbc_shortgi |=
4090 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4091 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4092
4093 if (ni->ni_flags & IEEE80211_NODE_HT)
4094 {
4095 txwi->phymode_ifs_stbc_shortgi |=
4096 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4097 }
4098 else
4099 {
4100 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4101 {
4102 txwi->phymode_ifs_stbc_shortgi |=
4103 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4104
4105 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4106 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4107 }
4108 else
4109 {
4110 txwi->phymode_ifs_stbc_shortgi |=
4111 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4112 }
4113 }
4114
4115 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4116 bw = RT2860_TXWI_BW_40;
4117 else
4118 bw = RT2860_TXWI_BW_20;
4119
4120 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4121 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4122
4123 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4124
4125 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4126 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4127 {
4128 txwi->bawin_size_xflags |=
4129 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4130
4131 if (ni->ni_flags & IEEE80211_NODE_HT)
4132 {
4133 /* preamble + plcp + signal extension + SIFS */
4134
4135 dur = 16 + 4 + 6 + 10;
4136 }
4137 else
4138 {
4139 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4140 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4141 }
4142
4143 *(uint16_t *) wh->i_dur = htole16(dur);
4144 }
4145
4146 /* check for A-MPDU */
4147
4148 if (m->m_flags & M_AMPDU_MPDU)
4149 {
4150 ac = M_WME_GETAC(m);
4151 tid = WME_AC_TO_TID(ac);
4152 tx_ampdu = &ni->ni_tx_ampdu[ac];
4153
4154 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4155 bawin_size = 13; //tx_ampdu->txa_wnd;
4156
4157 txwi->mpdu_density_flags |=
4158 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4159 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4160
4161 txwi->bawin_size_xflags |=
4162 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4163
4164 seqno = ni->ni_txseqs[tid]++;
4165
4166 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4167
4168 ampdu = 1;
4169 }
4170 else
4171 {
4172 ampdu = 0;
4173 }
4174
4175 /* ask MAC to insert timestamp into probe responses */
4176
4177 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4178 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4179 txwi->mpdu_density_flags |=
4180 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4181
4182 if (ieee80211_radiotap_active_vap(vap))
4183 {
4184 tap = &sc->txtap;
4185
4186 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4187 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4188 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4189 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4190 tap->chan_maxpow = 0;
4191
4192 if (ni->ni_flags & IEEE80211_NODE_HT)
4193 tap->rate = mcs | IEEE80211_RATE_MCS;
4194 else
4195 tap->rate = rate;
4196
4197 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4198 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4199
4200 if (shortgi)
4201 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4202
4203 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4204 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4205
4206 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4207 {
4208 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4209
4210 ieee80211_radiotap_tx(vap, m);
4211
4212 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4213 }
4214 else
4215 {
4216 ieee80211_radiotap_tx(vap, m);
4217 }
4218 }
4219
4220 /* copy and trim 802.11 header */
4221
4222 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4223 m_adj(m, hdrspace);
4224
4225 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4226 dma_seg, &ndmasegs, 0);
4227 if (error != 0)
4228 {
4229 /* too many fragments, linearize */
4230
4231 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4232 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4233 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4234
4235 m = m_defrag(m, M_DONTWAIT);
4236 if (m == NULL)
4237 return ENOMEM;
4238
4239 sc->tx_defrag_packets++;
4240
4241 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4242 dma_seg, &ndmasegs, 0);
4243 if (error != 0)
4244 {
4245 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4246 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4247 m_freem(m);
4248 return error;
4249 }
4250 }
4251
4252 if (m->m_pkthdr.len == 0)
4253 ndmasegs = 0;
4254
4255 /* determine how many Tx descs are required */
4256
4257 ndescs = 1 + ndmasegs / 2;
4258 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4259 {
4260 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4261 "%s: there are not enough Tx descs\n",
4262 device_get_nameunit(sc->dev));
4263
4264 sc->no_tx_desc_avail++;
4265
4266 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4267 m_freem(m);
4268 return EFBIG;
4269 }
4270
4271 data->m = m;
4272 data->ni = ni;
4273
4274 /* set up Tx descs */
4275
4276 /* first segment is Tx wireless info and 802.11 header */
4277
4278 len = sizeof(struct rt2860_txwi) + hdrsize;
4279
4280 /* align end on a 4-bytes boundary */
4281
4282 dmalen = (len + 3) & ~ 3;
4283
4284 memset((caddr_t) txwi + len, 0, dmalen - len);
4285
4286 qsel = RT2860_TXDESC_QSEL_EDCA;
4287
4288 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4289 desc->sdl0 = htole16(dmalen);
4290 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4291
4292 /* set up payload segments */
4293
4294 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4295 {
4296 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4297 desc->sdl1 = htole16(dma_seg[j].ds_len);
4298
4299 ring->desc_queued++;
4300 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4301
4302 j++;
4303
4304 desc = &ring->desc[ring->desc_cur];
4305
4306 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4307 desc->sdl0 = htole16(dma_seg[j].ds_len);
4308 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4309
4310 j++;
4311 }
4312
4313 /* finalize last payload segment */
4314
4315 if (i > 0)
4316 {
4317 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4318 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4319 }
4320 else
4321 {
4322 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4323 desc->sdl1 = 0;
4324 }
4325
4326 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4327 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4328 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4329 device_get_nameunit(sc->dev),
4330 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4331 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
4332 (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);
4333
4334 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4335 BUS_DMASYNC_PREWRITE);
4336 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4337 BUS_DMASYNC_PREWRITE);
4338 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4339 BUS_DMASYNC_PREWRITE);
4340
4341 ring->desc_queued++;
4342 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4343
4344 ring->data_queued++;
4345 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4346
4347 /* kick Tx */
4348
4349 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4350
4351 return 0;
4352 }
4353
4354 /*
4355 * rt2860_tx_raw
4356 */
4357 static int rt2860_tx_raw(struct rt2860_softc *sc,
4358 struct mbuf *m, struct ieee80211_node *ni,
4359 const struct ieee80211_bpf_params *params)
4360 {
4361 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4362 "%s: Tx raw\n",
4363 device_get_nameunit(sc->dev));
4364
4365 return 0;
4366 }
4367
4368 /*
4369 * rt2860_intr
4370 */
4371 static void rt2860_intr(void *arg)
4372 {
4373 struct rt2860_softc *sc;
4374 struct ifnet *ifp;
4375 uint32_t status;
4376
4377 sc = arg;
4378 ifp = sc->ifp;
4379
4380 /* acknowledge interrupts */
4381
4382 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4383 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4384
4385 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4386 "%s: interrupt: status = 0x%08x\n",
4387 device_get_nameunit(sc->dev), status);
4388
4389 if (status == 0xffffffff || /* device likely went away */
4390 status == 0) /* not for us */
4391 return;
4392
4393 sc->interrupts++;
4394
4395 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4396 return;
4397
4398 if (status & RT2860_REG_INT_TX_COHERENT)
4399 rt2860_tx_coherent_intr(sc);
4400
4401 if (status & RT2860_REG_INT_RX_COHERENT)
4402 rt2860_rx_coherent_intr(sc);
4403
4404 if (status & RT2860_REG_INT_TXRX_COHERENT)
4405 rt2860_txrx_coherent_intr(sc);
4406
4407 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4408 rt2860_fifo_sta_full_intr(sc);
4409
4410 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4411 rt2860_tx_intr(sc, 5);
4412
4413 if (status & RT2860_REG_INT_RX_DONE)
4414 rt2860_rx_intr(sc);
4415
4416 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4417 rt2860_rx_delay_intr(sc);
4418
4419 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4420 rt2860_tx_intr(sc, 4);
4421
4422 if (status & RT2860_REG_INT_TX_AC3_DONE)
4423 rt2860_tx_intr(sc, 3);
4424
4425 if (status & RT2860_REG_INT_TX_AC2_DONE)
4426 rt2860_tx_intr(sc, 2);
4427
4428 if (status & RT2860_REG_INT_TX_AC1_DONE)
4429 rt2860_tx_intr(sc, 1);
4430
4431 if (status & RT2860_REG_INT_TX_AC0_DONE)
4432 rt2860_tx_intr(sc, 0);
4433
4434 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4435 rt2860_tx_delay_intr(sc);
4436
4437 if (status & RT2860_REG_INT_PRE_TBTT)
4438 rt2860_pre_tbtt_intr(sc);
4439
4440 if (status & RT2860_REG_INT_TBTT)
4441 rt2860_tbtt_intr(sc);
4442
4443 if (status & RT2860_REG_INT_MCU_CMD)
4444 rt2860_mcu_cmd_intr(sc);
4445
4446 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4447 rt2860_auto_wakeup_intr(sc);
4448
4449 if (status & RT2860_REG_INT_GP_TIMER)
4450 rt2860_gp_timer_intr(sc);
4451 }
4452
4453 /*
4454 * rt2860_tx_coherent_intr
4455 */
4456 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4457 {
4458 uint32_t tmp;
4459 int i;
4460
4461 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4462 "%s: Tx coherent interrupt\n",
4463 device_get_nameunit(sc->dev));
4464
4465 sc->tx_coherent_interrupts++;
4466
4467 /* restart DMA engine */
4468
4469 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4470
4471 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4472 RT2860_REG_RX_DMA_ENABLE |
4473 RT2860_REG_TX_DMA_ENABLE);
4474
4475 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4476
4477 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4478
4479 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4480 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4481
4482 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4483 {
4484 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4485 sc->tx_ring[i].desc_phys_addr);
4486 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4487 RT2860_SOFTC_TX_RING_DESC_COUNT);
4488 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4489 }
4490
4491 /* init Rx ring */
4492
4493 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4494
4495 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4496 sc->rx_ring.desc_phys_addr);
4497 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4498 RT2860_SOFTC_RX_RING_DATA_COUNT);
4499 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4500 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4501
4502 rt2860_txrx_enable(sc);
4503 }
4504
4505 /*
4506 * rt2860_rx_coherent_intr
4507 */
4508 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4509 {
4510 uint32_t tmp;
4511 int i;
4512
4513 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4514 "%s: Rx coherent interrupt\n",
4515 device_get_nameunit(sc->dev));
4516
4517 sc->rx_coherent_interrupts++;
4518
4519 /* restart DMA engine */
4520
4521 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4522
4523 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4524 RT2860_REG_RX_DMA_ENABLE |
4525 RT2860_REG_TX_DMA_ENABLE);
4526
4527 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4528
4529 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4530
4531 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4532 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4533
4534 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4535 {
4536 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4537 sc->tx_ring[i].desc_phys_addr);
4538 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4539 RT2860_SOFTC_TX_RING_DESC_COUNT);
4540 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4541 }
4542
4543 /* init Rx ring */
4544
4545 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4546
4547 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4548 sc->rx_ring.desc_phys_addr);
4549 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4550 RT2860_SOFTC_RX_RING_DATA_COUNT);
4551 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4552 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4553
4554 rt2860_txrx_enable(sc);
4555 }
4556
4557 /*
4558 * rt2860_txrx_coherent_intr
4559 */
4560 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4561 {
4562 uint32_t tmp;
4563 int i;
4564
4565 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4566 "%s: Tx/Rx coherent interrupt\n",
4567 device_get_nameunit(sc->dev));
4568
4569 sc->txrx_coherent_interrupts++;
4570
4571 /* restart DMA engine */
4572
4573 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4574
4575 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4576 RT2860_REG_RX_DMA_ENABLE |
4577 RT2860_REG_TX_DMA_ENABLE);
4578
4579 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4580
4581 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4582
4583 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4584 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4585
4586 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4587 {
4588 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4589 sc->tx_ring[i].desc_phys_addr);
4590 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4591 RT2860_SOFTC_TX_RING_DESC_COUNT);
4592 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4593 }
4594
4595 /* init Rx ring */
4596
4597 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4598
4599 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4600 sc->rx_ring.desc_phys_addr);
4601 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4602 RT2860_SOFTC_RX_RING_DATA_COUNT);
4603 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4604 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4605
4606 rt2860_txrx_enable(sc);
4607 }
4608
4609 /*
4610 * rt2860_fifo_sta_full_intr
4611 */
4612 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4613 {
4614 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4615 "%s: FIFO statistic full interrupt\n",
4616 device_get_nameunit(sc->dev));
4617
4618 sc->fifo_sta_full_interrupts++;
4619
4620 RT2860_SOFTC_LOCK(sc);
4621
4622 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4623 {
4624 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4625
4626 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4627 }
4628
4629 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4630
4631 RT2860_SOFTC_UNLOCK(sc);
4632 }
4633
4634 /*
4635 * rt2860_rx_intr
4636 */
4637 static void rt2860_rx_intr(struct rt2860_softc *sc)
4638 {
4639 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4640 "%s: Rx interrupt\n",
4641 device_get_nameunit(sc->dev));
4642
4643 sc->rx_interrupts++;
4644
4645 RT2860_SOFTC_LOCK(sc);
4646
4647 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4648 {
4649 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4650
4651 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4652 }
4653
4654 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4655
4656 RT2860_SOFTC_UNLOCK(sc);
4657 }
4658
4659 /*
4660 * rt2860_rx_delay_intr
4661 */
4662 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4663 {
4664 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4665 "%s: Rx delay interrupt\n",
4666 device_get_nameunit(sc->dev));
4667
4668 sc->rx_delay_interrupts++;
4669 }
4670
4671 /*
4672 * rt2860_tx_intr
4673 */
4674 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4675 {
4676 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4677 ("%s: Tx interrupt: invalid qid=%d\n",
4678 device_get_nameunit(sc->dev), qid));
4679
4680 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4681 "%s: Tx interrupt: qid=%d\n",
4682 device_get_nameunit(sc->dev), qid);
4683
4684 sc->tx_interrupts[qid]++;
4685
4686 RT2860_SOFTC_LOCK(sc);
4687
4688 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4689 {
4690 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4691
4692 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4693 }
4694
4695 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4696
4697 RT2860_SOFTC_UNLOCK(sc);
4698 }
4699
4700 /*
4701 * rt2860_tx_delay_intr
4702 */
4703 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4704 {
4705 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4706 "%s: Tx delay interrupt\n",
4707 device_get_nameunit(sc->dev));
4708
4709 sc->tx_delay_interrupts++;
4710 }
4711
4712 /*
4713 * rt2860_pre_tbtt_intr
4714 */
4715 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4716 {
4717 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4718 "%s: Pre-TBTT interrupt\n",
4719 device_get_nameunit(sc->dev));
4720
4721 sc->pre_tbtt_interrupts++;
4722 }
4723
4724 /*
4725 * rt2860_tbtt_intr
4726 */
4727 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4728 {
4729 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4730 "%s: TBTT interrupt\n",
4731 device_get_nameunit(sc->dev));
4732
4733 sc->tbtt_interrupts++;
4734 }
4735
4736 /*
4737 * rt2860_mcu_cmd_intr
4738 */
4739 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4740 {
4741 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4742 "%s: MCU command interrupt\n",
4743 device_get_nameunit(sc->dev));
4744
4745 sc->mcu_cmd_interrupts++;
4746 }
4747
4748 /*
4749 * rt2860_auto_wakeup_intr
4750 */
4751 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4752 {
4753 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4754 "%s: auto wakeup interrupt\n",
4755 device_get_nameunit(sc->dev));
4756
4757 sc->auto_wakeup_interrupts++;
4758 }
4759
4760 /*
4761 * rt2860_gp_timer_intr
4762 */
4763 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4764 {
4765 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4766 "%s: GP timer interrupt\n",
4767 device_get_nameunit(sc->dev));
4768
4769 sc->gp_timer_interrupts++;
4770 }
4771
4772 /*
4773 * rt2860_rx_done_task
4774 */
4775 static void rt2860_rx_done_task(void *context, int pending)
4776 {
4777 struct rt2860_softc *sc;
4778 struct ifnet *ifp;
4779 int again;
4780
4781 sc = context;
4782 ifp = sc->ifp;
4783
4784 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4785 "%s: Rx done task\n",
4786 device_get_nameunit(sc->dev));
4787
4788 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4789 return;
4790
4791 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4792
4793 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4794
4795 RT2860_SOFTC_LOCK(sc);
4796
4797 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4798 {
4799 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4800 "%s: Rx done task: scheduling again\n",
4801 device_get_nameunit(sc->dev));
4802
4803 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4804 }
4805 else
4806 {
4807 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4808 }
4809
4810 RT2860_SOFTC_UNLOCK(sc);
4811 }
4812
4813 /*
4814 * rt2860_tx_done_task
4815 */
4816 static void rt2860_tx_done_task(void *context, int pending)
4817 {
4818 struct rt2860_softc *sc;
4819 struct ifnet *ifp;
4820 uint32_t intr_mask;
4821 int i;
4822
4823 sc = context;
4824 ifp = sc->ifp;
4825
4826 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4827 "%s: Tx done task\n",
4828 device_get_nameunit(sc->dev));
4829
4830 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4831 return;
4832
4833 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4834 {
4835 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4836 {
4837 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4838
4839 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4840 }
4841 }
4842
4843 sc->tx_timer = 0;
4844
4845 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4846
4847 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4848 RT2860_REG_INT_TX_HCCA_DONE |
4849 RT2860_REG_INT_TX_AC3_DONE |
4850 RT2860_REG_INT_TX_AC2_DONE |
4851 RT2860_REG_INT_TX_AC1_DONE |
4852 RT2860_REG_INT_TX_AC0_DONE);
4853
4854 RT2860_SOFTC_LOCK(sc);
4855
4856 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4857 (sc->intr_disable_mask & intr_mask));
4858
4859 if (sc->intr_pending_mask & intr_mask)
4860 {
4861 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4862 "%s: Tx done task: scheduling again\n",
4863 device_get_nameunit(sc->dev));
4864
4865 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4866 }
4867
4868 RT2860_SOFTC_UNLOCK(sc);
4869 }
4870
4871 /*
4872 * rt2860_fifo_sta_full_task
4873 */
4874 static void rt2860_fifo_sta_full_task(void *context, int pending)
4875 {
4876 struct rt2860_softc *sc;
4877 struct ifnet *ifp;
4878
4879 sc = context;
4880 ifp = sc->ifp;
4881
4882 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4883 "%s: FIFO statistic full task\n",
4884 device_get_nameunit(sc->dev));
4885
4886 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4887 return;
4888
4889 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4890
4891 rt2860_drain_fifo_stats(sc);
4892
4893 RT2860_SOFTC_LOCK(sc);
4894
4895 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4896 {
4897 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4898 "%s: FIFO statistic full task: scheduling again\n",
4899 device_get_nameunit(sc->dev));
4900
4901 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4902 }
4903 else
4904 {
4905 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4906 }
4907
4908 RT2860_SOFTC_UNLOCK(sc);
4909 }
4910
4911 /*
4912 * rt2860_periodic_task
4913 */
4914 static void rt2860_periodic_task(void *context, int pending)
4915 {
4916 struct rt2860_softc *sc;
4917 struct ifnet *ifp;
4918 struct ieee80211com *ic;
4919 struct ieee80211vap *vap;
4920
4921 sc = context;
4922 ifp = sc->ifp;
4923 ic = ifp->if_l2com;
4924 vap = TAILQ_FIRST(&ic->ic_vaps);
4925
4926 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4927 "%s: periodic task: round=%lu\n",
4928 device_get_nameunit(sc->dev), sc->periodic_round);
4929
4930 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4931 return;
4932
4933 RT2860_SOFTC_LOCK(sc);
4934
4935 sc->periodic_round++;
4936
4937 rt2860_update_stats(sc);
4938
4939 if ((sc->periodic_round % 10) == 0)
4940 {
4941 rt2860_bbp_tuning(sc);
4942
4943 rt2860_update_raw_counters(sc);
4944
4945 rt2860_watchdog(sc);
4946
4947 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4948 {
4949 if (vap->iv_opmode == IEEE80211_M_STA)
4950 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
4951 else
4952 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
4953 }
4954 }
4955
4956 RT2860_SOFTC_UNLOCK(sc);
4957
4958 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4959 }
4960
4961 /*
4962 * rt2860_rx_eof
4963 */
4964 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4965 {
4966 struct ifnet *ifp;
4967 struct ieee80211com *ic;
4968 struct ieee80211_frame *wh;
4969 struct ieee80211_node *ni;
4970 struct rt2860_softc_rx_radiotap_header *tap;
4971 struct rt2860_softc_rx_ring *ring;
4972 struct rt2860_rxdesc *desc;
4973 struct rt2860_softc_rx_data *data;
4974 struct rt2860_rxwi *rxwi;
4975 struct mbuf *m, *mnew;
4976 bus_dma_segment_t segs[1];
4977 bus_dmamap_t dma_map;
4978 uint32_t index, desc_flags;
4979 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4980 int8_t rssi_dbm;
4981 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes;
4982
4983 ifp = sc->ifp;
4984 ic = ifp->if_l2com;
4985 ring = &sc->rx_ring;
4986
4987 nframes = 0;
4988
4989 while (limit != 0)
4990 {
4991 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4992 if (ring->cur == index)
4993 break;
4994
4995 desc = &ring->desc[ring->cur];
4996 desc_flags = le32toh(desc->flags);
4997 data = &ring->data[ring->cur];
4998
4999 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5000 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5001
5002 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5003 break;
5004
5005 nframes++;
5006
5007 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5008 if (mnew == NULL)
5009 {
5010 sc->rx_mbuf_alloc_errors++;
5011 ifp->if_ierrors++;
5012 goto skip;
5013 }
5014
5015 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5016
5017 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5018 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5019 if (error != 0)
5020 {
5021 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5022 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5023 device_get_nameunit(sc->dev), error, nsegs);
5024
5025 m_freem(mnew);
5026
5027 sc->rx_mbuf_dmamap_errors++;
5028 ifp->if_ierrors++;
5029
5030 goto skip;
5031 }
5032
5033 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5034 device_get_nameunit(sc->dev)));
5035
5036 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5037 BUS_DMASYNC_POSTREAD);
5038 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5039
5040 dma_map = data->dma_map;
5041 data->dma_map = ring->spare_dma_map;
5042 ring->spare_dma_map = dma_map;
5043
5044 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5045 BUS_DMASYNC_PREREAD);
5046
5047 m = data->m;
5048
5049 data->m = mnew;
5050 desc->sdp0 = htole32(segs[0].ds_addr);
5051
5052 /* get Rx wireless info */
5053
5054 rxwi = mtod(m, struct rt2860_rxwi *);
5055 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5056 RT2860_RXWI_SIZE_MASK;
5057
5058 /* check for L2 padding between IEEE 802.11 frame header and body */
5059
5060 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5061 {
5062 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5063 "%s: L2 padding: len=%d\n",
5064 device_get_nameunit(sc->dev), len);
5065
5066 len += 2;
5067 }
5068
5069 m->m_pkthdr.rcvif = ifp;
5070 m->m_data = (caddr_t) (rxwi + 1);
5071 m->m_pkthdr.len = m->m_len = len;
5072
5073 /* check for crc errors */
5074
5075 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5076 {
5077 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5078 "%s: rxdesc: crc error\n",
5079 device_get_nameunit(sc->dev));
5080
5081 ifp->if_ierrors++;
5082
5083 if (!(ifp->if_flags & IFF_PROMISC))
5084 {
5085 m_freem(m);
5086 goto skip;
5087 }
5088 }
5089
5090 wh = (struct ieee80211_frame *) (rxwi + 1);
5091
5092 /* check for cipher errors */
5093
5094 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5095 {
5096 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5097 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5098 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5099 {
5100 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5101 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5102
5103 m->m_flags |= M_WEP;
5104 }
5105 else
5106 {
5107 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5108 "%s: rxdesc: cipher error=0x%02x\n",
5109 device_get_nameunit(sc->dev), cipher_err);
5110
5111 ifp->if_ierrors++;
5112
5113 if (!(ifp->if_flags & IFF_PROMISC))
5114 {
5115 m_free(m);
5116 goto skip;
5117 }
5118 }
5119 }
5120 else
5121 {
5122 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5123 {
5124 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5125 "%s: rxdesc: not decrypted but protected flag set\n",
5126 device_get_nameunit(sc->dev));
5127
5128 ifp->if_ierrors++;
5129
5130 if (!(ifp->if_flags & IFF_PROMISC))
5131 {
5132 m_free(m);
5133 goto skip;
5134 }
5135 }
5136 }
5137
5138 /* check for A-MPDU */
5139
5140 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5141 {
5142 m->m_flags |= M_AMPDU;
5143
5144 sc->rx_ampdu++;
5145
5146 ampdu = 1;
5147 }
5148 else
5149 {
5150 ampdu = 0;
5151 }
5152
5153 /* check for A-MSDU */
5154
5155 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5156 {
5157 sc->rx_amsdu++;
5158
5159 amsdu = 1;
5160 }
5161 else
5162 {
5163 amsdu = 0;
5164 }
5165
5166 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5167 rssi = rxwi->rssi[ant];
5168 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5169 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5170 RT2860_RXWI_PHYMODE_MASK);
5171 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5172 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5173 RT2860_RXWI_SHORTGI_MASK);
5174 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5175
5176 if (ieee80211_radiotap_active(ic))
5177 {
5178 tap = &sc->rxtap;
5179
5180 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5181 tap->dbm_antsignal = rssi_dbm;
5182 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5183 tap->antenna = ant;
5184 tap->antsignal = rssi;
5185 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5186 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5187 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5188 tap->chan_maxpow = 0;
5189
5190 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5191 tap->rate = mcs | IEEE80211_RATE_MCS;
5192 else
5193 tap->rate = rt2860_rxrate(rxwi);
5194
5195 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5196 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5197
5198 if (shortgi)
5199 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5200 }
5201
5202 /*
5203 * net80211 assumes that RSSI data are in the range [-127..127] and
5204 * in .5 dBm units relative to the current noise floor
5205 */
5206
5207 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5208 if (rssi_dbm_rel > 127)
5209 rssi_dbm_rel = 127;
5210
5211 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5212 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5213 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5214 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5215 device_get_nameunit(sc->dev),
5216 len, phymode, bw, shortgi, mcs,
5217 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5218 rxwi->snr[0], rxwi->snr[1],
5219 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5220
5221 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5222 if (ni != NULL)
5223 {
5224 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5225 ieee80211_free_node(ni);
5226 }
5227 else
5228 {
5229 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5230 }
5231
5232 skip:
5233
5234 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5235
5236 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5237 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5238
5239 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5240
5241 limit--;
5242 }
5243
5244 if (ring->cur == 0)
5245 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5246 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5247 else
5248 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5249 ring->cur - 1);
5250
5251 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5252 "%s: Rx eof: nframes=%d\n",
5253 device_get_nameunit(sc->dev), nframes);
5254
5255 sc->rx_packets += nframes;
5256
5257 return (limit == 0);
5258 }
5259
5260 /*
5261 * rt2860_tx_eof
5262 */
5263 static void rt2860_tx_eof(struct rt2860_softc *sc,
5264 struct rt2860_softc_tx_ring *ring)
5265 {
5266 struct ifnet *ifp;
5267 struct rt2860_txdesc *desc;
5268 struct rt2860_softc_tx_data *data;
5269 uint32_t index;
5270 int ndescs, nframes;
5271
5272 ifp = sc->ifp;
5273
5274 ndescs = 0;
5275 nframes = 0;
5276
5277 for (;;)
5278 {
5279 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5280 if (ring->desc_next == index)
5281 break;
5282
5283 ndescs++;
5284
5285 rt2860_drain_fifo_stats(sc);
5286
5287 desc = &ring->desc[ring->desc_next];
5288
5289 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5290 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5291
5292 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5293 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5294 {
5295 nframes++;
5296
5297 data = &ring->data[ring->data_next];
5298
5299 if (data->m->m_flags & M_TXCB)
5300 ieee80211_process_callback(data->ni, data->m, 0);
5301
5302 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5303 BUS_DMASYNC_POSTWRITE);
5304 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5305
5306 m_freem(data->m);
5307
5308 ieee80211_free_node(data->ni);
5309
5310 data->m = NULL;
5311 data->ni = NULL;
5312
5313 ifp->if_opackets++;
5314
5315 RT2860_SOFTC_LOCK(sc);
5316
5317 ring->data_queued--;
5318 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5319
5320 RT2860_SOFTC_UNLOCK(sc);
5321 }
5322
5323 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5324
5325 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5326 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5327
5328 RT2860_SOFTC_LOCK(sc);
5329
5330 ring->desc_queued--;
5331 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5332
5333 RT2860_SOFTC_UNLOCK(sc);
5334 }
5335
5336 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5337 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5338 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5339 }
5340
5341 /*
5342 * rt2860_update_stats
5343 */
5344 static void rt2860_update_stats(struct rt2860_softc *sc)
5345 {
5346 struct ifnet *ifp;
5347 struct ieee80211com *ic;
5348 struct ieee80211vap *vap;
5349 struct ieee80211_node *ni;
5350 uint32_t stacnt[3];
5351 int beacons, noretryok, retryok, failed;
5352 uint16_t associd;
5353 uint8_t wcid;
5354
5355 ifp = sc->ifp;
5356 ic = ifp->if_l2com;
5357 vap = TAILQ_FIRST(&ic->ic_vaps);
5358
5359 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5360 "%s: update statistic\n",
5361 device_get_nameunit(sc->dev));
5362
5363 rt2860_drain_fifo_stats(sc);
5364
5365 /* read and clear Tx statistic registers */
5366
5367 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5368 stacnt, sizeof(stacnt));
5369
5370 stacnt[0] = le32toh(stacnt[0]);
5371 stacnt[1] = le32toh(stacnt[1]);
5372 stacnt[2] = le32toh(stacnt[2]);
5373
5374 beacons = stacnt[0] >> 16;
5375 noretryok = stacnt[1] & 0xffff;
5376 retryok = stacnt[1] >> 16;
5377 failed = stacnt[0] & 0xffff;
5378
5379 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5380 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
5381 device_get_nameunit(sc->dev),
5382 beacons, noretryok, retryok, failed);
5383
5384 ifp->if_oerrors += failed;
5385
5386 sc->tx_beacons += beacons;
5387 sc->tx_noretryok += noretryok;
5388 sc->tx_retryok += retryok;
5389 sc->tx_failed += failed;
5390
5391 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5392 {
5393 ni = vap->iv_bss;
5394
5395 associd = (ni != NULL) ? ni->ni_associd : 0;
5396 wcid = RT2860_AID2WCID(associd);
5397
5398 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5399 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5400 }
5401 }
5402
5403 /*
5404 * rt2860_bbp_tuning
5405 */
5406 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5407 {
5408 struct ifnet *ifp;
5409 struct ieee80211com *ic;
5410 struct ieee80211vap *vap;
5411 struct ieee80211_node *ni;
5412 int chan, group;
5413 int8_t rssi, old, new;
5414
5415 /* RT2860C does not support BBP tuning */
5416
5417 if (sc->mac_rev == 0x28600100)
5418 return;
5419
5420 ifp = sc->ifp;
5421 ic = ifp->if_l2com;
5422 vap = TAILQ_FIRST(&ic->ic_vaps);
5423
5424 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5425 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5426 return;
5427
5428 ni = vap->iv_bss;
5429
5430 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5431
5432 if (chan <= 14)
5433 group = 0;
5434 else if (chan <= 64)
5435 group = 1;
5436 else if (chan <= 128)
5437 group = 2;
5438 else
5439 group = 3;
5440
5441 rssi = ieee80211_getrssi(vap);
5442
5443 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5444 {
5445 new = 0x2e + sc->lna_gain[group];
5446 }
5447 else
5448 {
5449 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5450 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5451 else
5452 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5453 }
5454
5455 /* Tune if absolute average RSSI is greater than -80 */
5456
5457 if (rssi > 30)
5458 new += 0x10;
5459
5460 old = rt2860_io_bbp_read(sc, 66);
5461
5462 if (old != new)
5463 rt2860_io_bbp_write(sc, 66, new);
5464 }
5465
5466 /*
5467 * rt2860_watchdog
5468 */
5469 static void rt2860_watchdog(struct rt2860_softc *sc)
5470 {
5471 uint32_t tmp;
5472 int ntries;
5473
5474 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5475
5476 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5477 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5478 device_get_nameunit(sc->dev), tmp);
5479
5480 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5481 {
5482 sc->tx_queue_not_empty[0]++;
5483
5484 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5485
5486 for (ntries = 0; ntries < 10; ntries++)
5487 {
5488 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5489 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5490 break;
5491
5492 DELAY(1);
5493 }
5494
5495 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5496 }
5497
5498 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5499 {
5500 sc->tx_queue_not_empty[1]++;
5501
5502 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5503
5504 for (ntries = 0; ntries < 10; ntries++)
5505 {
5506 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5507 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5508 break;
5509
5510 DELAY(1);
5511 }
5512
5513 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5514 }
5515 }
5516
5517 /*
5518 * rt2860_drain_fifo_stats
5519 */
5520 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5521 {
5522 struct ifnet *ifp;
5523 uint32_t stats;
5524 uint8_t wcid, mcs, pid;
5525 int ok, agg, retrycnt;
5526
5527 ifp = sc->ifp;
5528
5529 /* drain Tx status FIFO (maxsize = 16) */
5530
5531 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5532 RT2860_REG_TX_STA_FIFO_VALID)
5533 {
5534 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5535 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5536
5537 /* if no ACK was requested, no feedback is available */
5538
5539 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5540 continue;
5541
5542 /* update AMRR statistic */
5543
5544 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5545 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5546 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5547 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5548 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5549 RT2860_REG_TX_STA_FIFO_PID_MASK;
5550 retrycnt = pid - mcs;
5551
5552 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5553 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5554 device_get_nameunit(sc->dev),
5555 wcid, ok, agg, mcs, pid, retrycnt);
5556
5557 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5558
5559 if (!ok)
5560 ifp->if_oerrors++;
5561 }
5562 }
5563
5564 /*
5565 * rt2860_update_raw_counters
5566 */
5567 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5568 {
5569 uint32_t tmp;
5570
5571 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5572
5573 sc->tx_nonagg += tmp & 0xffff;
5574 sc->tx_agg += tmp >> 16;
5575
5576 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5577
5578 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5579
5580 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5581
5582 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5583
5584 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5585
5586 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5587
5588 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5589
5590 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5591
5592 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5593
5594 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5595
5596 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5597
5598 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5599
5600 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5601
5602 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5603
5604 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5605
5606 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5607
5608 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5609
5610 sc->rx_crc_errors += tmp & 0xffff;
5611 sc->rx_phy_errors += tmp >> 16;
5612
5613 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5614
5615 sc->rx_false_ccas += tmp & 0xffff;
5616 sc->rx_plcp_errors += tmp >> 16;
5617
5618 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5619
5620 sc->rx_dup_packets += tmp & 0xffff;
5621 sc->rx_fifo_overflows += tmp >> 16;
5622 }
5623
5624 /*
5625 * rt2860_intr_enable
5626 */
5627 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5628 {
5629 uint32_t tmp;
5630
5631 sc->intr_disable_mask &= ~intr_mask;
5632
5633 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5634
5635 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5636 }
5637
5638 /*
5639 * rt2860_intr_disable
5640 */
5641 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5642 {
5643 uint32_t tmp;
5644
5645 sc->intr_disable_mask |= intr_mask;
5646
5647 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5648
5649 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5650 }
5651
5652 /*
5653 * rt2860_txrx_enable
5654 */
5655 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5656 {
5657 struct ieee80211com *ic;
5658 struct ifnet *ifp;
5659 uint32_t tmp;
5660 int ntries;
5661
5662 ifp = sc->ifp;
5663 ic = ifp->if_l2com;
5664
5665 /* enable Tx/Rx DMA engine */
5666
5667 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5668
5669 for (ntries = 0; ntries < 200; ntries++)
5670 {
5671 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5672 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5673 break;
5674
5675 DELAY(1000);
5676 }
5677
5678 if (ntries == 200)
5679 {
5680 printf("%s: timeout waiting for DMA engine\n",
5681 device_get_nameunit(sc->dev));
5682 return -1;
5683 }
5684
5685 DELAY(50);
5686
5687 tmp |= RT2860_REG_TX_WB_DDONE |
5688 RT2860_REG_RX_DMA_ENABLE |
5689 RT2860_REG_TX_DMA_ENABLE |
5690 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5691
5692 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5693
5694 /* set Rx filter */
5695
5696 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5697 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5698
5699 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5700 {
5701 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5702 RT2860_REG_RX_FILTER_DROP_CTS |
5703 RT2860_REG_RX_FILTER_DROP_BA |
5704 RT2860_REG_RX_FILTER_DROP_ACK |
5705 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5706 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5707 RT2860_REG_RX_FILTER_DROP_CFACK |
5708 RT2860_REG_RX_FILTER_DROP_CFEND;
5709
5710 if (ic->ic_opmode == IEEE80211_M_STA)
5711 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5712 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5713
5714 if (!(ifp->if_flags & IFF_PROMISC))
5715 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5716 }
5717
5718 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5719
5720 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5721 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5722
5723 return 0;
5724 }
5725
5726 /*
5727 * rt2860_alloc_rx_ring
5728 */
5729 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5730 struct rt2860_softc_rx_ring *ring)
5731 {
5732 struct rt2860_rxdesc *desc;
5733 struct rt2860_softc_rx_data *data;
5734 bus_dma_segment_t segs[1];
5735 int i, nsegs, error;
5736
5737 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5738 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5739 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5740 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5741 0, NULL, NULL, &ring->desc_dma_tag);
5742 if (error != 0)
5743 {
5744 printf("%s: could not create Rx desc DMA tag\n",
5745 device_get_nameunit(sc->dev));
5746 goto fail;
5747 }
5748
5749 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5750 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5751 if (error != 0)
5752 {
5753 printf("%s: could not allocate Rx desc DMA memory\n",
5754 device_get_nameunit(sc->dev));
5755 goto fail;
5756 }
5757
5758 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5759 ring->desc,
5760 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5761 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5762 if (error != 0)
5763 {
5764 printf("%s: could not load Rx desc DMA map\n",
5765 device_get_nameunit(sc->dev));
5766 goto fail;
5767 }
5768
5769 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5770 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5771 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5772 &ring->data_dma_tag);
5773 if (error != 0)
5774 {
5775 printf("%s: could not create Rx data DMA tag\n",
5776 device_get_nameunit(sc->dev));
5777 goto fail;
5778 }
5779
5780 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5781 {
5782 desc = &ring->desc[i];
5783 data = &ring->data[i];
5784
5785 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5786 if (error != 0)
5787 {
5788 printf("%s: could not create Rx data DMA map\n",
5789 device_get_nameunit(sc->dev));
5790 goto fail;
5791 }
5792
5793 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5794 if (data->m == NULL)
5795 {
5796 printf("%s: could not allocate Rx mbuf\n",
5797 device_get_nameunit(sc->dev));
5798 error = ENOMEM;
5799 goto fail;
5800 }
5801
5802 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5803
5804 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5805 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5806 if (error != 0)
5807 {
5808 printf("%s: could not load Rx mbuf DMA map\n",
5809 device_get_nameunit(sc->dev));
5810 goto fail;
5811 }
5812
5813 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5814 device_get_nameunit(sc->dev)));
5815
5816 desc->sdp0 = htole32(segs[0].ds_addr);
5817 desc->sdl0 = htole16(MJUMPAGESIZE);
5818 }
5819
5820 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5821 if (error != 0)
5822 {
5823 printf("%s: could not create Rx spare DMA map\n",
5824 device_get_nameunit(sc->dev));
5825 goto fail;
5826 }
5827
5828 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5829 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5830
5831 return 0;
5832
5833 fail:
5834
5835 rt2860_free_rx_ring(sc, ring);
5836
5837 return error;
5838 }
5839
5840 /*
5841 * rt2860_reset_rx_ring
5842 */
5843 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5844 struct rt2860_softc_rx_ring *ring)
5845 {
5846 struct rt2860_rxdesc *desc;
5847 int i;
5848
5849 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5850 {
5851 desc = &ring->desc[i];
5852
5853 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5854 }
5855
5856 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5857 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5858
5859 ring->cur = 0;
5860 }
5861
5862 /*
5863 * rt2860_free_rx_ring
5864 */
5865 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5866 struct rt2860_softc_rx_ring *ring)
5867 {
5868 struct rt2860_softc_rx_data *data;
5869 int i;
5870
5871 if (ring->desc != NULL)
5872 {
5873 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5874 BUS_DMASYNC_POSTWRITE);
5875 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5876 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5877 ring->desc_dma_map);
5878 }
5879
5880 if (ring->desc_dma_tag != NULL)
5881 bus_dma_tag_destroy(ring->desc_dma_tag);
5882
5883 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5884 {
5885 data = &ring->data[i];
5886
5887 if (data->m != NULL)
5888 {
5889 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5890 BUS_DMASYNC_POSTREAD);
5891 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5892 m_freem(data->m);
5893 }
5894
5895 if (data->dma_map != NULL)
5896 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5897 }
5898
5899 if (ring->spare_dma_map != NULL)
5900 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5901
5902 if (ring->data_dma_tag != NULL)
5903 bus_dma_tag_destroy(ring->data_dma_tag);
5904 }
5905
5906 /*
5907 * rt2860_alloc_tx_ring
5908 */
5909 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5910 struct rt2860_softc_tx_ring *ring, int qid)
5911 {
5912 struct rt2860_softc_tx_data *data;
5913 int error, i;
5914
5915 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5916 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5917 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5918 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5919 0, NULL, NULL, &ring->desc_dma_tag);
5920 if (error != 0)
5921 {
5922 printf("%s: could not create Tx desc DMA tag\n",
5923 device_get_nameunit(sc->dev));
5924 goto fail;
5925 }
5926
5927 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5928 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5929 if (error != 0)
5930 {
5931 printf("%s: could not allocate Tx desc DMA memory\n",
5932 device_get_nameunit(sc->dev));
5933 goto fail;
5934 }
5935
5936 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5937 ring->desc,
5938 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5939 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5940 if (error != 0)
5941 {
5942 printf("%s: could not load Tx desc DMA map\n",
5943 device_get_nameunit(sc->dev));
5944 goto fail;
5945 }
5946
5947 ring->desc_queued = 0;
5948 ring->desc_cur = 0;
5949 ring->desc_next = 0;
5950
5951 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5952 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5953 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5954 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5955 0, NULL, NULL, &ring->seg0_dma_tag);
5956 if (error != 0)
5957 {
5958 printf("%s: could not create Tx seg0 DMA tag\n",
5959 device_get_nameunit(sc->dev));
5960 goto fail;
5961 }
5962
5963 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5964 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5965 if (error != 0)
5966 {
5967 printf("%s: could not allocate Tx seg0 DMA memory\n",
5968 device_get_nameunit(sc->dev));
5969 goto fail;
5970 }
5971
5972 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5973 ring->seg0,
5974 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5975 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5976 if (error != 0)
5977 {
5978 printf("%s: could not load Tx seg0 DMA map\n",
5979 device_get_nameunit(sc->dev));
5980 goto fail;
5981 }
5982
5983 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5984 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5985 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5986 &ring->data_dma_tag);
5987 if (error != 0)
5988 {
5989 printf("%s: could not create Tx data DMA tag\n",
5990 device_get_nameunit(sc->dev));
5991 goto fail;
5992 }
5993
5994 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5995 {
5996 data = &ring->data[i];
5997
5998 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5999 if (error != 0)
6000 {
6001 printf("%s: could not create Tx data DMA map\n",
6002 device_get_nameunit(sc->dev));
6003 goto fail;
6004 }
6005 }
6006
6007 ring->data_queued = 0;
6008 ring->data_cur = 0;
6009 ring->data_next = 0;
6010
6011 ring->qid = qid;
6012
6013 return 0;
6014
6015 fail:
6016
6017 rt2860_free_tx_ring(sc, ring);
6018
6019 return error;
6020 }
6021
6022 /*
6023 * rt2860_reset_tx_ring
6024 */
6025 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6026 struct rt2860_softc_tx_ring *ring)
6027 {
6028 struct rt2860_softc_tx_data *data;
6029 struct rt2860_txdesc *desc;
6030 int i;
6031
6032 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6033 {
6034 desc = &ring->desc[i];
6035
6036 desc->sdl0 = 0;
6037 desc->sdl1 = 0;
6038 }
6039
6040 ring->desc_queued = 0;
6041 ring->desc_cur = 0;
6042 ring->desc_next = 0;
6043
6044 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6045 BUS_DMASYNC_PREWRITE);
6046
6047 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6048 BUS_DMASYNC_PREWRITE);
6049
6050 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6051 {
6052 data = &ring->data[i];
6053
6054 if (data->m != NULL)
6055 {
6056 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6057 BUS_DMASYNC_POSTWRITE);
6058 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6059 m_freem(data->m);
6060 data->m = NULL;
6061 }
6062
6063 if (data->ni != NULL)
6064 {
6065 ieee80211_free_node(data->ni);
6066 data->ni = NULL;
6067 }
6068 }
6069
6070 ring->data_queued = 0;
6071 ring->data_cur = 0;
6072 ring->data_next = 0;
6073 }
6074
6075 /*
6076 * rt2860_free_tx_ring
6077 */
6078 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6079 struct rt2860_softc_tx_ring *ring)
6080 {
6081 struct rt2860_softc_tx_data *data;
6082 int i;
6083
6084 if (ring->desc != NULL)
6085 {
6086 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6087 BUS_DMASYNC_POSTWRITE);
6088 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6089 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6090 ring->desc_dma_map);
6091 }
6092
6093 if (ring->desc_dma_tag != NULL)
6094 bus_dma_tag_destroy(ring->desc_dma_tag);
6095
6096 if (ring->seg0 != NULL)
6097 {
6098 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6099 BUS_DMASYNC_POSTWRITE);
6100 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6101 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6102 ring->seg0_dma_map);
6103 }
6104
6105 if (ring->seg0_dma_tag != NULL)
6106 bus_dma_tag_destroy(ring->seg0_dma_tag);
6107
6108 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6109 {
6110 data = &ring->data[i];
6111
6112 if (data->m != NULL)
6113 {
6114 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6115 BUS_DMASYNC_POSTWRITE);
6116 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6117 m_freem(data->m);
6118 }
6119
6120 if (data->ni != NULL)
6121 ieee80211_free_node(data->ni);
6122
6123 if (data->dma_map != NULL)
6124 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6125 }
6126
6127 if (ring->data_dma_tag != NULL)
6128 bus_dma_tag_destroy(ring->data_dma_tag);
6129 }
6130
6131 /*
6132 * rt2860_dma_map_addr
6133 */
6134 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6135 int nseg, int error)
6136 {
6137 if (error != 0)
6138 return;
6139
6140 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6141
6142 *(bus_addr_t *) arg = segs[0].ds_addr;
6143 }
6144
6145 /*
6146 * rt2860_sysctl_attach
6147 */
6148 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6149 {
6150 struct sysctl_ctx_list *ctx;
6151 struct sysctl_oid *tree;
6152 struct sysctl_oid *stats;
6153
6154 ctx = device_get_sysctl_ctx(sc->dev);
6155 tree = device_get_sysctl_tree(sc->dev);
6156
6157 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6158 "stats", CTLFLAG_RD, 0, "statistic");
6159
6160 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6161 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6162 "all interrupts");
6163
6164 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6165 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6166 "Tx coherent interrupts");
6167
6168 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6169 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6170 "Rx coherent interrupts");
6171
6172 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6173 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6174 "Tx/Rx coherent interrupts");
6175
6176 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6177 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6178 "FIFO statistic full interrupts");
6179
6180 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6181 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6182 "Rx interrupts");
6183
6184 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6185 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6186 "Rx delay interrupts");
6187
6188 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6189 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6190 "Tx MGMT interrupts");
6191
6192 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6193 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6194 "Tx HCCA interrupts");
6195
6196 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6197 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6198 "Tx AC3 interrupts");
6199
6200 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6201 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6202 "Tx AC2 interrupts");
6203
6204 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6205 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6206 "Tx AC1 interrupts");
6207
6208 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6209 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6210 "Tx AC0 interrupts");
6211
6212 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6213 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6214 "Tx delay interrupts");
6215
6216 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6217 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6218 "Pre-TBTT interrupts");
6219
6220 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6221 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6222 "TBTT interrupts");
6223
6224 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6225 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6226 "MCU command interrupts");
6227
6228 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6229 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6230 "auto wakeup interrupts");
6231
6232 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6233 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6234 "GP timer interrupts");
6235
6236 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6237 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6238 "Tx MGMT descriptors queued");
6239
6240 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6241 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6242 "Tx MGMT data queued");
6243
6244 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6245 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6246 "Tx HCCA descriptors queued");
6247
6248 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6249 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6250 "Tx HCCA data queued");
6251
6252 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6253 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6254 "Tx AC3 descriptors queued");
6255
6256 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6257 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6258 "Tx AC3 data queued");
6259
6260 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6261 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6262 "Tx AC2 descriptors queued");
6263
6264 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6265 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6266 "Tx AC2 data queued");
6267
6268 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6269 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6270 "Tx AC1 descriptors queued");
6271
6272 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6273 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6274 "Tx AC1 data queued");
6275
6276 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6277 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6278 "Tx AC0 descriptors queued");
6279
6280 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6281 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6282 "Tx AC0 data queued");
6283
6284 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6285 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6286 "Tx MGMT data queue full");
6287
6288 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6289 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6290 "Tx HCCA data queue full");
6291
6292 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6293 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6294 "Tx AC3 data queue full");
6295
6296 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6297 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6298 "Tx AC2 data queue full");
6299
6300 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6301 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6302 "Tx AC1 data queue full");
6303
6304 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6305 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6306 "Tx AC0 data queue full");
6307
6308 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6309 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6310 "Tx watchdog timeouts");
6311
6312 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6313 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6314 "Tx defragmented packets");
6315
6316 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6317 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6318 "no Tx descriptors available");
6319
6320 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6321 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6322 "Rx mbuf allocation errors");
6323
6324 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6325 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6326 "Rx mbuf DMA mapping errors");
6327
6328 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6329 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6330 "Tx queue 0 not empty");
6331
6332 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6333 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6334 "Tx queue 1 not empty");
6335
6336 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6337 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6338 "Tx beacons");
6339
6340 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6341 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6342 "Tx successfull without retries");
6343
6344 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6345 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6346 "Tx successfull with retries");
6347
6348 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6349 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6350 "Tx failed");
6351
6352 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6353 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6354 "Tx non-aggregated");
6355
6356 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6357 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6358 "Tx aggregated");
6359
6360 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6361 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6362 "Tx A-MPDU");
6363
6364 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6365 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6366 "Rx packets");
6367
6368 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6369 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6370 "Rx A-MPDU");
6371
6372 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6373 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6374 "Rx A-MSDU");
6375
6376 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6377 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6378 "Rx CRC errors");
6379
6380 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6381 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6382 "Rx PHY errors");
6383
6384 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6385 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6386 "Rx false CCAs");
6387
6388 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6389 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6390 "Rx PLCP errors");
6391
6392 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6393 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6394 "Rx duplicate packets");
6395
6396 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6397 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6398 "Rx FIFO overflows");
6399 }
6400
6401 static device_method_t rt2860_dev_methods[] =
6402 {
6403 DEVMETHOD(device_probe, rt2860_probe),
6404 DEVMETHOD(device_attach, rt2860_attach),
6405 DEVMETHOD(device_detach, rt2860_detach),
6406 DEVMETHOD(device_shutdown, rt2860_shutdown),
6407 DEVMETHOD(device_suspend, rt2860_suspend),
6408 DEVMETHOD(device_resume, rt2860_resume),
6409 { 0, 0 }
6410 };
6411
6412 static driver_t rt2860_driver =
6413 {
6414 "rt2860",
6415 rt2860_dev_methods,
6416 sizeof(struct rt2860_softc)
6417 };
6418
6419 static devclass_t rt2860_dev_class;
6420
6421 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6422
6423 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6424 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860