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Enable short slot time when Tx burst is enabled
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blobd8cb517382769f845a1c398949658c9fa1502aca
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 /* override default Rx A-MPDU factor */
1854
1855 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1856 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1857 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1858
1859 ic->ic_opmode = opmode;
1860
1861 return vap;
1862 }
1863
1864 /*
1865 * rt2860_vap_delete
1866 */
1867 static void rt2860_vap_delete(struct ieee80211vap *vap)
1868 {
1869 struct rt2860_softc *sc;
1870 struct ieee80211com *ic;
1871 struct ifnet *ifp;
1872 struct rt2860_softc_vap *rvap;
1873
1874 ic = vap->iv_ic;
1875 ifp = ic->ic_ifp;
1876 sc = ifp->if_softc;
1877 rvap = (struct rt2860_softc_vap *) vap;
1878
1879 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1880 "%s: VAP delete: opmode=%s\n",
1881 device_get_nameunit(sc->dev),
1882 ieee80211_opmode_name[vap->iv_opmode]);
1883
1884 rt2860_amrr_cleanup(&rvap->amrr);
1885
1886 ieee80211_vap_detach(vap);
1887
1888 free(rvap, M_80211_VAP);
1889 }
1890
1891 /*
1892 * rt2860_reset_vap
1893 */
1894 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1895 {
1896 struct rt2860_softc *sc;
1897 struct ieee80211com *ic;
1898 struct ifnet *ifp;
1899 struct rt2860_softc_vap *rvap;
1900 int error;
1901
1902 ic = vap->iv_ic;
1903 ifp = ic->ic_ifp;
1904 sc = ifp->if_softc;
1905 rvap = (struct rt2860_softc_vap *) vap;
1906
1907 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1908 "%s: VAP reset: cmd=%lu\n",
1909 device_get_nameunit(sc->dev), cmd);
1910
1911 error = 0;
1912
1913 switch (cmd)
1914 {
1915 case IEEE80211_IOC_RTSTHRESHOLD:
1916 case IEEE80211_IOC_AMSDU:
1917 rt2860_asic_update_rtsthreshold(sc);
1918 break;
1919
1920 case IEEE80211_IOC_PROTMODE:
1921 case IEEE80211_IOC_HTPROTMODE:
1922 rt2860_asic_updateprot(sc);
1923 break;
1924
1925 case IEEE80211_IOC_TXPOWER:
1926 rt2860_asic_update_txpower(sc);
1927 break;
1928
1929 case IEEE80211_IOC_BURST:
1930 rt2860_asic_updateslot(sc);
1931 break;
1932
1933 case IEEE80211_IOC_SHORTGI:
1934 case IEEE80211_IOC_AMPDU_DENSITY:
1935 break;
1936
1937 default:
1938 error = ENETRESET;
1939 break;
1940 }
1941
1942 return error;
1943 }
1944
1945 /*
1946 * rt2860_vap_newstate
1947 */
1948 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1949 enum ieee80211_state nstate, int arg)
1950 {
1951 struct rt2860_softc *sc;
1952 struct ieee80211com *ic;
1953 struct ifnet *ifp;
1954 struct rt2860_softc_vap *rvap;
1955 struct ieee80211_node *ni;
1956 enum ieee80211_state ostate;
1957 int error;
1958
1959 ic = vap->iv_ic;
1960 ifp = ic->ic_ifp;
1961 sc = ifp->if_softc;
1962 rvap = (struct rt2860_softc_vap *) vap;
1963
1964 ostate = vap->iv_state;
1965
1966 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1967 "%s: VAP newstate: %s -> %s\n",
1968 device_get_nameunit(sc->dev),
1969 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1970
1971 error = rvap->newstate(vap, nstate, arg);
1972 if (error != 0)
1973 return error;
1974
1975 IEEE80211_UNLOCK(ic);
1976
1977 RT2860_SOFTC_LOCK(sc);
1978
1979 /* turn link LED off */
1980
1981 if (nstate != IEEE80211_S_RUN)
1982 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1983
1984 switch (nstate)
1985 {
1986 case IEEE80211_S_INIT:
1987 rt2860_asic_disable_tsf_sync(sc);
1988 break;
1989
1990 case IEEE80211_S_RUN:
1991 ni = vap->iv_bss;
1992
1993 rt2860_rf_set_chan(sc, ni->ni_chan);
1994
1995 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1996 {
1997 rt2860_asic_enable_mrr(sc);
1998 rt2860_asic_set_txpreamble(sc);
1999 rt2860_asic_set_basicrates(sc);
2000 rt2860_asic_update_txpower(sc);
2001 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2002 }
2003
2004 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2005 vap->iv_opmode == IEEE80211_M_IBSS ||
2006 vap->iv_opmode == IEEE80211_M_MBSS)
2007 {
2008 error = rt2860_asic_update_beacon(sc, vap);
2009 if (error != 0)
2010 break;
2011 }
2012
2013 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2014 rt2860_asic_enable_tsf_sync(sc);
2015
2016 /* turn link LED on */
2017
2018 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2019 {
2020 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2021 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2022 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2023 }
2024 break;
2025
2026 default:
2027 break;
2028 }
2029
2030 RT2860_SOFTC_UNLOCK(sc);
2031
2032 IEEE80211_LOCK(ic);
2033
2034 return error;
2035 }
2036
2037 /*
2038 * rt2860_vap_key_update_begin
2039 */
2040 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2041 {
2042 struct rt2860_softc *sc;
2043 struct ieee80211com *ic;
2044 struct ifnet *ifp;
2045
2046 ic = vap->iv_ic;
2047 ifp = ic->ic_ifp;
2048 sc = ifp->if_softc;
2049
2050 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2051 "%s: VAP key update begin\n",
2052 device_get_nameunit(sc->dev));
2053
2054 taskqueue_block(sc->taskqueue);
2055
2056 IF_LOCK(&ifp->if_snd);
2057 }
2058
2059 /*
2060 * rt2860_vap_key_update_end
2061 */
2062 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2063 {
2064 struct rt2860_softc *sc;
2065 struct ieee80211com *ic;
2066 struct ifnet *ifp;
2067
2068 ic = vap->iv_ic;
2069 ifp = ic->ic_ifp;
2070 sc = ifp->if_softc;
2071
2072 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2073 "%s: VAP key update end\n",
2074 device_get_nameunit(sc->dev));
2075
2076 IF_UNLOCK(&ifp->if_snd);
2077
2078 taskqueue_unblock(sc->taskqueue);
2079 }
2080
2081 /*
2082 * rt2860_vap_key_set
2083 */
2084 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2085 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2086 {
2087 struct rt2860_softc *sc;
2088 struct ieee80211com *ic;
2089 struct ifnet *ifp;
2090 struct ieee80211_node *ni;
2091 uint16_t associd, key_base, keymode_base;
2092 uint8_t mode, vapid, wcid, iv[8];
2093 uint32_t tmp;
2094
2095 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2096 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2097 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2098 return EINVAL;
2099
2100 ic = vap->iv_ic;
2101 ifp = ic->ic_ifp;
2102 sc = ifp->if_softc;
2103
2104 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2105 ni = vap->iv_bss;
2106 else
2107 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2108
2109 associd = (ni != NULL) ? ni->ni_associd : 0;
2110
2111 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2112 ieee80211_free_node(ni);
2113
2114 switch (k->wk_cipher->ic_cipher)
2115 {
2116 case IEEE80211_CIPHER_WEP:
2117 if(k->wk_keylen < 8)
2118 mode = RT2860_REG_CIPHER_MODE_WEP40;
2119 else
2120 mode = RT2860_REG_CIPHER_MODE_WEP104;
2121 break;
2122
2123 case IEEE80211_CIPHER_TKIP:
2124 mode = RT2860_REG_CIPHER_MODE_TKIP;
2125 break;
2126
2127 case IEEE80211_CIPHER_AES_CCM:
2128 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2129 break;
2130
2131 default:
2132 return EINVAL;
2133 }
2134
2135 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2136 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2137 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2138 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2139
2140 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2141 {
2142 /* install pairwise key */
2143
2144 vapid = 0;
2145 wcid = RT2860_AID2WCID(associd);
2146 key_base = RT2860_REG_PKEY(wcid);
2147
2148 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2149 {
2150 memset(iv, 0, 8);
2151
2152 iv[3] = (k->wk_keyix << 6);
2153 }
2154 else
2155 {
2156 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2157 {
2158 iv[0] = (k->wk_keytsc >> 8);
2159 iv[1] = ((iv[0] | 0x20) & 0x7f);
2160 iv[2] = k->wk_keytsc;
2161 }
2162 else
2163 {
2164 /* AES CCMP */
2165
2166 iv[0] = k->wk_keytsc;
2167 iv[1] = k->wk_keytsc >> 8;
2168 iv[2] = 0;
2169 }
2170
2171 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2172 iv[4] = (k->wk_keytsc >> 16);
2173 iv[5] = (k->wk_keytsc >> 24);
2174 iv[6] = (k->wk_keytsc >> 32);
2175 iv[7] = (k->wk_keytsc >> 40);
2176
2177 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2178 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2179 device_get_nameunit(sc->dev),
2180 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2181 }
2182
2183 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2184
2185 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2186 {
2187 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2188
2189 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2190 {
2191 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2192 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2193 }
2194 else
2195 {
2196 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2197 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2198 }
2199 }
2200 else
2201 {
2202 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2203 }
2204
2205 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2206 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2207
2208 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2209 }
2210
2211 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2212 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2213 {
2214 /* install group key */
2215
2216 vapid = 0;
2217 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2218 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2219
2220 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2221 {
2222 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2223
2224 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2225 {
2226 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2227 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2228 }
2229 else
2230 {
2231 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2232 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2233 }
2234 }
2235 else
2236 {
2237 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2238 }
2239
2240 tmp = rt2860_io_mac_read(sc, keymode_base);
2241
2242 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2243 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2244
2245 rt2860_io_mac_write(sc, keymode_base, tmp);
2246 }
2247
2248 return 1;
2249 }
2250
2251 /*
2252 * rt2860_vap_key_delete
2253 */
2254 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2255 const struct ieee80211_key *k)
2256 {
2257 struct rt2860_softc *sc;
2258 struct ieee80211com *ic;
2259 struct ifnet *ifp;
2260 struct ieee80211_node *ni;
2261 uint16_t associd;
2262 uint8_t vapid, wcid;
2263 uint32_t tmp;
2264
2265 ic = vap->iv_ic;
2266 ifp = ic->ic_ifp;
2267 sc = ifp->if_softc;
2268 ni = vap->iv_bss;
2269 associd = (ni != NULL) ? ni->ni_associd : 0;
2270
2271 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2272 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2273 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2274 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2275
2276 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2277 {
2278 /* remove pairwise key */
2279
2280 vapid = 0;
2281 wcid = RT2860_AID2WCID(associd);
2282
2283 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2284 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2285
2286 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2287 }
2288 else
2289 {
2290 /* remove group key */
2291
2292 vapid = 0;
2293
2294 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2295
2296 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2297 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2298
2299 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2300 }
2301
2302 return 1;
2303 }
2304
2305 /*
2306 * rt2860_vap_update_beacon
2307 */
2308 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2309 {
2310 struct rt2860_softc *sc;
2311 struct ieee80211com *ic;
2312 struct ifnet *ifp;
2313
2314 ic = vap->iv_ic;
2315 ifp = ic->ic_ifp;
2316 sc = ifp->if_softc;
2317
2318 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2319 "%s: VAP update beacon\n",
2320 device_get_nameunit(sc->dev));
2321
2322 rt2860_asic_update_beacon(sc, vap);
2323 }
2324
2325 /*
2326 * rt2860_media_change
2327 */
2328 static int rt2860_media_change(struct ifnet *ifp)
2329 {
2330 int error;
2331
2332 error = ieee80211_media_change(ifp);
2333
2334 return (error == ENETRESET ? 0 : error);
2335 }
2336
2337 /*
2338 * rt2860_node_alloc
2339 */
2340 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2341 const uint8_t mac[IEEE80211_ADDR_LEN])
2342 {
2343 return malloc(sizeof(struct rt2860_softc_node),
2344 M_80211_NODE, M_NOWAIT | M_ZERO);
2345 }
2346
2347 /*
2348 * rt2860_setregdomain
2349 */
2350 static int rt2860_setregdomain(struct ieee80211com *ic,
2351 struct ieee80211_regdomain *reg,
2352 int nchans, struct ieee80211_channel chans[])
2353 {
2354 struct rt2860_softc *sc;
2355 struct ifnet *ifp;
2356
2357 ifp = ic->ic_ifp;
2358 sc = ifp->if_softc;
2359
2360 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2361 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2362 device_get_nameunit(sc->dev),
2363 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2364
2365 return 0;
2366 }
2367
2368 /*
2369 * rt2860_getradiocaps
2370 */
2371 static void rt2860_getradiocaps(struct ieee80211com *ic,
2372 int maxchans, int *nchans, struct ieee80211_channel chans[])
2373 {
2374 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2375
2376 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2377 }
2378
2379 /*
2380 * rt2860_scan_start
2381 */
2382 static void rt2860_scan_start(struct ieee80211com *ic)
2383 {
2384 struct rt2860_softc *sc;
2385 struct ifnet *ifp;
2386
2387 ifp = ic->ic_ifp;
2388 sc = ifp->if_softc;
2389
2390 rt2860_asic_disable_tsf_sync(sc);
2391 }
2392
2393 /*
2394 * rt2860_scan_end
2395 */
2396 static void rt2860_scan_end(struct ieee80211com *ic)
2397 {
2398 struct rt2860_softc *sc;
2399 struct ifnet *ifp;
2400
2401 ifp = ic->ic_ifp;
2402 sc = ifp->if_softc;
2403
2404 rt2860_asic_enable_tsf_sync(sc);
2405 }
2406
2407 /*
2408 * rt2860_set_channel
2409 */
2410 static void rt2860_set_channel(struct ieee80211com *ic)
2411 {
2412 struct rt2860_softc *sc;
2413 struct ifnet *ifp;
2414
2415 ifp = ic->ic_ifp;
2416 sc = ifp->if_softc;
2417
2418 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2419 "%s: set channel: channel=%u, HT%s%s\n",
2420 device_get_nameunit(sc->dev),
2421 ieee80211_chan2ieee(ic, ic->ic_curchan),
2422 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2423 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2424 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2425 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2426
2427 RT2860_SOFTC_LOCK(sc);
2428
2429 rt2860_rf_set_chan(sc, ic->ic_curchan);
2430
2431 RT2860_SOFTC_UNLOCK(sc);
2432 }
2433
2434 /*
2435 * rt2860_newassoc
2436 */
2437 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2438 {
2439 struct rt2860_softc *sc;
2440 struct ieee80211com *ic;
2441 struct ifnet *ifp;
2442 struct ieee80211vap *vap;
2443 struct rt2860_softc_vap *rvap;
2444 uint16_t associd;
2445 uint8_t wcid;
2446
2447 vap = ni->ni_vap;
2448 ic = vap->iv_ic;
2449 ifp = ic->ic_ifp;
2450 sc = ifp->if_softc;
2451 rvap = (struct rt2860_softc_vap *) vap;
2452
2453 associd = (ni != NULL) ? ni->ni_associd : 0;
2454 wcid = RT2860_AID2WCID(associd);
2455
2456 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2457 "%s: new association: wcid=0x%02x, "
2458 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2459 device_get_nameunit(sc->dev), wcid,
2460 ether_sprintf(ni->ni_macaddr),
2461 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2462 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2463 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2464
2465 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2466 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2467
2468 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2469
2470 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2471 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2472 device_get_nameunit(sc->dev),
2473 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2474 ni->ni_associd, ni->ni_txrate,
2475 (ni->ni_flags & IEEE80211_NODE_HT) ?
2476 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2477 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2478
2479 rt2860_asic_updateprot(sc);
2480 rt2860_asic_updateslot(sc);
2481 rt2860_asic_set_txpreamble(sc);
2482 }
2483
2484 /*
2485 * rt2860_updateslot
2486 */
2487 static void rt2860_updateslot(struct ifnet *ifp)
2488 {
2489 struct rt2860_softc *sc;
2490
2491 sc = ifp->if_softc;
2492
2493 rt2860_asic_updateslot(sc);
2494 }
2495
2496 /*
2497 * rt2860_update_promisc
2498 */
2499 static void rt2860_update_promisc(struct ifnet *ifp)
2500 {
2501 struct rt2860_softc *sc;
2502
2503 sc = ifp->if_softc;
2504
2505 rt2860_asic_update_promisc(sc);
2506 }
2507
2508 /*
2509 * rt2860_update_mcast
2510 */
2511 static void rt2860_update_mcast(struct ifnet *ifp)
2512 {
2513 struct rt2860_softc *sc;
2514
2515 sc = ifp->if_softc;
2516 }
2517
2518 /*
2519 * rt2860_wme_update
2520 */
2521 static int rt2860_wme_update(struct ieee80211com *ic)
2522 {
2523 struct rt2860_softc *sc;
2524 struct ifnet *ifp;
2525
2526 ifp = ic->ic_ifp;
2527 sc = ifp->if_softc;
2528
2529 rt2860_asic_wme_update(sc);
2530
2531 return 0;
2532 }
2533
2534 /*
2535 * rt2860_raw_xmit
2536 */
2537 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2538 const struct ieee80211_bpf_params *params)
2539 {
2540 struct rt2860_softc *sc;
2541 struct ieee80211com *ic;
2542 struct ifnet *ifp;
2543
2544 ic = ni->ni_ic;
2545 ifp = ic->ic_ifp;
2546 sc = ifp->if_softc;
2547
2548 RT2860_SOFTC_LOCK(sc);
2549
2550 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2551 {
2552 RT2860_SOFTC_UNLOCK(sc);
2553
2554 m_freem(m);
2555 ieee80211_free_node(ni);
2556
2557 return ENETDOWN;
2558 }
2559
2560 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2561 {
2562 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2563 "%s: raw xmit: Tx ring with qid=%d is full\n",
2564 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2565
2566 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2567
2568 RT2860_SOFTC_UNLOCK(sc);
2569
2570 m_freem(m);
2571 ieee80211_free_node(ni);
2572
2573 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2574
2575 return ENOBUFS;
2576 }
2577
2578 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2579 {
2580 ifp->if_oerrors++;
2581
2582 RT2860_SOFTC_UNLOCK(sc);
2583
2584 ieee80211_free_node(ni);
2585
2586 return EIO;
2587 }
2588
2589 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2590
2591 RT2860_SOFTC_UNLOCK(sc);
2592
2593 return 0;
2594 }
2595
2596 /*
2597 * rt2860_recv_action
2598 */
2599 static int rt2860_recv_action(struct ieee80211_node *ni,
2600 const struct ieee80211_frame *wh,
2601 const uint8_t *frm, const uint8_t *efrm)
2602 {
2603 struct rt2860_softc *sc;
2604 struct ieee80211com *ic;
2605 struct ifnet *ifp;
2606 const struct ieee80211_action *ia;
2607 struct ieee80211_tx_ampdu *tx_ampdu;
2608 uint16_t associd, status, baparamset;
2609 uint8_t wcid;
2610 int ret, tid, bufsize, ac;
2611 uint32_t tmp;
2612
2613 ic = ni->ni_ic;
2614 ifp = ic->ic_ifp;
2615 sc = ifp->if_softc;
2616
2617 ia = (const struct ieee80211_action *) frm;
2618
2619 ret = sc->recv_action(ni, wh, frm, efrm);
2620
2621 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2622 return ret;
2623
2624 associd = (ni != NULL) ? ni->ni_associd : 0;
2625 wcid = RT2860_AID2WCID(associd);
2626
2627 switch (ia->ia_action)
2628 {
2629 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2630 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2631 baparamset = LE_READ_2(frm + 3);
2632 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2633 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2634
2635 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2636 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2637 device_get_nameunit(sc->dev), associd, tid, bufsize);
2638
2639 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2640
2641 tmp |= (0x10000 << tid);
2642
2643 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2644 break;
2645
2646 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2647 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2648 status = LE_READ_2(frm + 3);
2649 baparamset = LE_READ_2(frm + 4);
2650 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2651 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2652 ac = TID_TO_WME_AC(tid);
2653 tx_ampdu = &ni->ni_tx_ampdu[ac];
2654
2655 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2656 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2657 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2658
2659 if (sc->mac_rev >= 0x28720200)
2660 {
2661 if (tx_ampdu->txa_wnd > 13)
2662 tx_ampdu->txa_wnd = 13;
2663 }
2664 else
2665 {
2666 if (tx_ampdu->txa_wnd > 7)
2667 tx_ampdu->txa_wnd = 7;
2668 }
2669
2670 if (status == IEEE80211_STATUS_SUCCESS)
2671 {
2672 sc->tx_ampdu_sessions++;
2673
2674 rt2860_asic_updateprot(sc);
2675 }
2676 break;
2677
2678 /* IEEE80211_ACTION_BA_DELBA */
2679 case IEEE80211_ACTION_BA_DELBA:
2680 baparamset = LE_READ_2(frm + 2);
2681 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2682
2683 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2684 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2685 device_get_nameunit(sc->dev), associd, tid);
2686
2687 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2688
2689 tmp &= ~(0x10000 << tid);
2690
2691 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2692 break;
2693 }
2694
2695 return ret;
2696 }
2697
2698 /*
2699 * rt2860_send_action
2700 */
2701 static int rt2860_send_action(struct ieee80211_node *ni,
2702 int cat, int act, void *sa)
2703 {
2704 struct rt2860_softc *sc;
2705 struct ieee80211com *ic;
2706 struct ifnet *ifp;
2707 uint16_t associd, *args, baparamset;
2708 uint8_t wcid;
2709 int ret, tid;
2710 uint32_t tmp;
2711
2712 ic = ni->ni_ic;
2713 ifp = ic->ic_ifp;
2714 sc = ifp->if_softc;
2715
2716 ret = sc->send_action(ni, cat, act, sa);
2717
2718 if (cat != IEEE80211_ACTION_CAT_BA)
2719 return ret;
2720
2721 associd = (ni != NULL) ? ni->ni_associd : 0;
2722 wcid = RT2860_AID2WCID(associd);
2723 args = sa;
2724
2725 switch (act)
2726 {
2727 /* IEEE80211_ACTION_BA_DELBA */
2728 case IEEE80211_ACTION_BA_DELBA:
2729 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2730
2731 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2732
2733 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2734 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2735 device_get_nameunit(sc->dev), associd, tid);
2736
2737 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2738 {
2739 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2740
2741 tmp &= ~(0x10000 << tid);
2742
2743 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2744 }
2745 else
2746 {
2747 sc->tx_ampdu_sessions--;
2748
2749 rt2860_asic_updateprot(sc);
2750 }
2751 break;
2752 }
2753
2754 return ret;
2755 }
2756
2757 /*
2758 * rt2860_amrr_update_iter_func
2759 */
2760 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2761 {
2762 struct rt2860_softc *sc;
2763 struct ieee80211com *ic;
2764 struct ifnet *ifp;
2765 struct ieee80211vap *vap;
2766 struct rt2860_softc_vap *rvap;
2767 uint8_t wcid;
2768
2769 vap = arg;
2770 ic = vap->iv_ic;
2771 ifp = ic->ic_ifp;
2772 sc = ifp->if_softc;
2773 rvap = (struct rt2860_softc_vap *) vap;
2774
2775 /* only associated stations */
2776
2777 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2778 {
2779 wcid = RT2860_AID2WCID(ni->ni_associd);
2780
2781 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2782 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2783 device_get_nameunit(sc->dev),
2784 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2785
2786 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2787
2788 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2789 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2790 device_get_nameunit(sc->dev),
2791 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2792 ni->ni_associd, ni->ni_txrate,
2793 (ni->ni_flags & IEEE80211_NODE_HT) ?
2794 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2795 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2796 }
2797 }
2798
2799 /*
2800 * rt2860_periodic
2801 */
2802 static void rt2860_periodic(void *arg)
2803 {
2804 struct rt2860_softc *sc;
2805
2806 sc = arg;
2807
2808 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2809 "%s: periodic\n",
2810 device_get_nameunit(sc->dev));
2811
2812 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2813 }
2814
2815 /*
2816 * rt2860_tx_watchdog
2817 */
2818 static void rt2860_tx_watchdog(void *arg)
2819 {
2820 struct rt2860_softc *sc;
2821 struct ifnet *ifp;
2822
2823 sc = arg;
2824 ifp = sc->ifp;
2825
2826 if (sc->tx_timer == 0)
2827 return;
2828
2829 if (--sc->tx_timer == 0)
2830 {
2831 printf("%s: Tx watchdog timeout: resetting\n",
2832 device_get_nameunit(sc->dev));
2833
2834 rt2860_stop_locked(sc);
2835 rt2860_init_locked(sc);
2836
2837 ifp->if_oerrors++;
2838
2839 sc->tx_watchdog_timeouts++;
2840 }
2841
2842 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2843 }
2844
2845 /*
2846 * rt2860_asic_set_bssid
2847 */
2848 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2849 const uint8_t *bssid)
2850 {
2851 uint32_t tmp;
2852
2853 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2854 "%s: set bssid: bssid=%s\n",
2855 device_get_nameunit(sc->dev),
2856 ether_sprintf(bssid));
2857
2858 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2859
2860 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2861
2862 tmp = bssid[4] | (bssid[5] << 8);
2863
2864 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2865 }
2866
2867 /*
2868 * rt2860_asic_set_macaddr
2869 */
2870 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2871 const uint8_t *addr)
2872 {
2873 uint32_t tmp;
2874
2875 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2876
2877 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2878
2879 tmp = addr[4] | (addr[5] << 8);
2880
2881 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2882 }
2883
2884 /*
2885 * rt2860_asic_enable_tsf_sync
2886 */
2887 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2888 {
2889 struct ifnet *ifp;
2890 struct ieee80211com *ic;
2891 struct ieee80211vap *vap;
2892 uint32_t tmp;
2893
2894 ifp = sc->ifp;
2895 ic = ifp->if_l2com;
2896 vap = TAILQ_FIRST(&ic->ic_vaps);
2897
2898 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2899 "%s: enabling TSF\n",
2900 device_get_nameunit(sc->dev));
2901
2902 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2903
2904 tmp &= ~0x1fffff;
2905 tmp |= vap->iv_bss->ni_intval * 16;
2906 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2907
2908 if (vap->iv_opmode == IEEE80211_M_STA)
2909 {
2910 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2911 }
2912 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2913 {
2914 tmp |= RT2860_REG_BCN_TX_ENABLE;
2915 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2916 }
2917 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2918 {
2919 tmp |= RT2860_REG_BCN_TX_ENABLE;
2920 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2921 }
2922
2923 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2924 }
2925
2926 /*
2927 * rt2860_asic_disable_tsf_sync
2928 */
2929 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2930 {
2931 uint32_t tmp;
2932
2933 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2934 "%s: disabling TSF\n",
2935 device_get_nameunit(sc->dev));
2936
2937 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2938
2939 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2940 RT2860_REG_TSF_TIMER_ENABLE |
2941 RT2860_REG_TBTT_TIMER_ENABLE);
2942
2943 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2944 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2945
2946 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2947 }
2948
2949 /*
2950 * rt2860_asic_enable_mrr
2951 */
2952 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2953 {
2954 #define CCK(mcs) (mcs)
2955 #define OFDM(mcs) ((1 << 3) | (mcs))
2956 #define HT(mcs) (mcs)
2957
2958 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2959 (OFDM(6) << 28) | /* 54 -> 48 */
2960 (OFDM(5) << 24) | /* 48 -> 36 */
2961 (OFDM(4) << 20) | /* 36 -> 24 */
2962 (OFDM(3) << 16) | /* 24 -> 18 */
2963 (OFDM(2) << 12) | /* 18 -> 12 */
2964 (OFDM(1) << 8) | /* 12 -> 9 */
2965 (OFDM(0) << 4) | /* 9 -> 6 */
2966 OFDM(0)); /* 6 -> 6 */
2967
2968 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2969 (CCK(2) << 12) | /* 11 -> 5.5 */
2970 (CCK(1) << 8) | /* 5.5 -> 2 */
2971 (CCK(0) << 4) | /* 2 -> 1 */
2972 CCK(0)); /* 1 -> 1 */
2973
2974 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2975 (HT(6) << 28) |
2976 (HT(5) << 24) |
2977 (HT(4) << 20) |
2978 (HT(3) << 16) |
2979 (HT(2) << 12) |
2980 (HT(1) << 8) |
2981 (HT(0) << 4) |
2982 HT(0));
2983
2984 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2985 (HT(14) << 28) |
2986 (HT(13) << 24) |
2987 (HT(12) << 20) |
2988 (HT(11) << 16) |
2989 (HT(10) << 12) |
2990 (HT(9) << 8) |
2991 (HT(8) << 4) |
2992 HT(7));
2993
2994 #undef HT
2995 #undef OFDM
2996 #undef CCK
2997 }
2998
2999 /*
3000 * rt2860_asic_set_txpreamble
3001 */
3002 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3003 {
3004 struct ifnet *ifp;
3005 struct ieee80211com *ic;
3006 uint32_t tmp;
3007
3008 ifp = sc->ifp;
3009 ic = ifp->if_l2com;
3010
3011 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3012 "%s: %s short Tx preamble\n",
3013 device_get_nameunit(sc->dev),
3014 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3015
3016 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3017
3018 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3019
3020 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3021 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3022
3023 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3024 }
3025
3026 /*
3027 * rt2860_asic_set_basicrates
3028 */
3029 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3030 {
3031 struct ifnet *ifp;
3032 struct ieee80211com *ic;
3033
3034 ifp = sc->ifp;
3035 ic = ifp->if_l2com;
3036
3037 if (ic->ic_curmode == IEEE80211_MODE_11B)
3038 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3039 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3040 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3041 else
3042 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3043 }
3044
3045 /*
3046 * rt2860_asic_update_rtsthreshold
3047 */
3048 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3049 {
3050 struct ifnet *ifp;
3051 struct ieee80211com *ic;
3052 struct ieee80211vap *vap;
3053 uint32_t tmp;
3054 uint16_t threshold;
3055
3056 ifp = sc->ifp;
3057 ic = ifp->if_l2com;
3058 vap = TAILQ_FIRST(&ic->ic_vaps);
3059
3060 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3061 "%s: updating RTS threshold: %d\n",
3062 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3063
3064 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3065
3066 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3067
3068 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3069 threshold = 0x1000;
3070 else
3071 threshold = vap->iv_rtsthreshold;
3072
3073 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3074 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3075
3076 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3077 }
3078
3079 /*
3080 * rt2860_asic_update_txpower
3081 */
3082 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3083 {
3084 struct ifnet *ifp;
3085 struct ieee80211com *ic;
3086 uint32_t *txpow_rate;
3087 int8_t delta;
3088 uint8_t val;
3089 uint32_t tmp;
3090 int i;
3091
3092 ifp = sc->ifp;
3093 ic = ifp->if_l2com;
3094
3095 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3096 "%s: updating Tx power: %d\n",
3097 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3098
3099 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3100 {
3101 txpow_rate = sc->txpow_rate_20mhz;
3102 }
3103 else
3104 {
3105 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3106 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3107 else
3108 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3109 }
3110
3111 delta = 0;
3112
3113 val = rt2860_io_bbp_read(sc, 1);
3114 val &= 0xfc;
3115
3116 if (ic->ic_txpowlimit > 90)
3117 {
3118 /* do nothing */
3119 }
3120 else if (ic->ic_txpowlimit > 60)
3121 {
3122 delta -= 1;
3123 }
3124 else if (ic->ic_txpowlimit > 30)
3125 {
3126 delta -= 3;
3127 }
3128 else if (ic->ic_txpowlimit > 15)
3129 {
3130 val |= 0x1;
3131 }
3132 else if (ic->ic_txpowlimit > 9)
3133 {
3134 val |= 0x1;
3135 delta -= 3;
3136 }
3137 else
3138 {
3139 val |= 0x2;
3140 }
3141
3142 rt2860_io_bbp_write(sc, 1, val);
3143
3144 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3145 {
3146 if (txpow_rate[i] == 0xffffffff)
3147 continue;
3148
3149 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3150
3151 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3152 }
3153 }
3154
3155 /*
3156 * rt2860_asic_update_promisc
3157 */
3158 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3159 {
3160 struct ifnet *ifp;
3161 uint32_t tmp;
3162
3163 ifp = sc->ifp;
3164
3165 printf("%s: %s promiscuous mode\n",
3166 device_get_nameunit(sc->dev),
3167 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3168
3169 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3170
3171 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3172
3173 if (!(ifp->if_flags & IFF_PROMISC))
3174 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3175
3176 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3177 }
3178
3179 /*
3180 * rt2860_asic_updateprot
3181 */
3182 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3183 {
3184 struct ifnet *ifp;
3185 struct ieee80211com *ic;
3186 struct ieee80211vap *vap;
3187 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3188 uint8_t htopmode;
3189 enum ieee80211_protmode htprotmode;
3190
3191 ifp = sc->ifp;
3192 ic = ifp->if_l2com;
3193 vap = TAILQ_FIRST(&ic->ic_vaps);
3194
3195 /* CCK frame protection */
3196
3197 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3198 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3199
3200 /* set up protection frame phy mode and rate (MCS code) */
3201
3202 if (ic->ic_curmode == IEEE80211_MODE_11A)
3203 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3204 (0 << RT2860_REG_PROT_MCS_SHIFT);
3205 else
3206 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3207 (3 << RT2860_REG_PROT_MCS_SHIFT));
3208
3209 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3210
3211 /* OFDM frame protection */
3212
3213 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3214 RT2860_REG_TXOP_ALLOW_ALL;
3215
3216 if (ic->ic_flags & IEEE80211_F_USEPROT)
3217 {
3218 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3219 "%s: updating protection mode: b/g protection mode=%s\n",
3220 device_get_nameunit(sc->dev),
3221 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3222 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3223
3224 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3225 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3226 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3227 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3228 else
3229 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3230 }
3231 else
3232 {
3233 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3234 "%s: updating protection mode: b/g protection mode=%s\n",
3235 device_get_nameunit(sc->dev), "none");
3236
3237 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3238 }
3239
3240 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3241
3242 /* HT frame protection */
3243
3244 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3245 htopmode = vap->iv_bss->ni_htopmode;
3246 else
3247 htopmode = ic->ic_curhtprotmode;
3248
3249 htprotmode = ic->ic_htprotmode;
3250
3251 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3252
3253 if (sc->tx_ampdu_sessions > 0)
3254 {
3255 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3256 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3257 device_get_nameunit(sc->dev));
3258
3259 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3260 htprotmode = IEEE80211_PROT_RTSCTS;
3261 }
3262
3263 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3264 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3265 device_get_nameunit(sc->dev),
3266 htopmode & IEEE80211_HTINFO_OPMODE,
3267 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3268 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3269
3270 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3271 {
3272 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3273 case IEEE80211_HTINFO_OPMODE_HT20PR:
3274 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3275 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3276 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3277 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3278 (4 << RT2860_REG_PROT_MCS_SHIFT);
3279
3280 gf20_prot = mm20_prot;
3281
3282 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3283 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3284 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3285
3286 if (htprotmode == IEEE80211_PROT_RTSCTS)
3287 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3288 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3289 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3290 else
3291 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3292
3293 gf40_prot = mm40_prot;
3294 break;
3295
3296 /* IEEE80211_HTINFO_OPMODE_MIXED */
3297 case IEEE80211_HTINFO_OPMODE_MIXED:
3298 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3299 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3300 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3301
3302 if (ic->ic_flags & IEEE80211_F_USEPROT)
3303 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3304 (3 << RT2860_REG_PROT_MCS_SHIFT);
3305 else
3306 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3307 (4 << RT2860_REG_PROT_MCS_SHIFT);
3308
3309 if (htprotmode == IEEE80211_PROT_RTSCTS)
3310 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3311 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3312 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3313 else
3314 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3315
3316 gf20_prot = mm20_prot;
3317
3318 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3319
3320 if (ic->ic_flags & IEEE80211_F_USEPROT)
3321 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3322 (3 << RT2860_REG_PROT_MCS_SHIFT);
3323 else
3324 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3325 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3326
3327 if (htprotmode == IEEE80211_PROT_RTSCTS)
3328 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3329 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3330 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3331 else
3332 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3333
3334 gf40_prot = mm40_prot;
3335 break;
3336
3337 /*
3338 * IEEE80211_HTINFO_OPMODE_PURE
3339 * IEEE80211_HTINFO_OPMODE_PROTOPT
3340 */
3341 case IEEE80211_HTINFO_OPMODE_PURE:
3342 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3343 default:
3344 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3345 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3346 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3347 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3348 (4 << RT2860_REG_PROT_MCS_SHIFT);
3349
3350 gf20_prot = mm20_prot;
3351
3352 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3353 RT2860_REG_TXOP_ALLOW_ALL |
3354 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3355 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3356
3357 gf40_prot = mm40_prot;
3358 break;
3359 }
3360
3361 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3362 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3363 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3364 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3365 }
3366
3367 /*
3368 * rt2860_asic_updateslot
3369 */
3370 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3371 {
3372 struct ifnet *ifp;
3373 struct ieee80211com *ic;
3374 struct ieee80211vap *vap;
3375 uint32_t tmp;
3376
3377 ifp = sc->ifp;
3378 ic = ifp->if_l2com;
3379 vap = TAILQ_FIRST(&ic->ic_vaps);
3380
3381 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3382 "%s: %s short slot time\n",
3383 device_get_nameunit(sc->dev),
3384 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3385 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3386
3387 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3388
3389 tmp &= ~0xff;
3390
3391 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3392 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3393 tmp |= IEEE80211_DUR_SHSLOT;
3394 else
3395 tmp |= IEEE80211_DUR_SLOT;
3396
3397 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3398 }
3399
3400 /*
3401 * rt2860_asic_wme_update
3402 */
3403 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3404 {
3405 struct ifnet *ifp;
3406 struct ieee80211com *ic;
3407 struct ieee80211_wme_state *wme;
3408 const struct wmeParams *wmep;
3409 int i;
3410
3411 ifp = sc->ifp;
3412 ic = ifp->if_l2com;
3413 wme = &ic->ic_wme;
3414 wmep = wme->wme_chanParams.cap_wmeParams;
3415
3416 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3417 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3418 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3419 device_get_nameunit(sc->dev),
3420 wmep[WME_AC_VO].wmep_aifsn,
3421 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3422 wmep[WME_AC_VO].wmep_txopLimit,
3423 wmep[WME_AC_VI].wmep_aifsn,
3424 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3425 wmep[WME_AC_VI].wmep_txopLimit,
3426 wmep[WME_AC_BK].wmep_aifsn,
3427 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3428 wmep[WME_AC_BK].wmep_txopLimit,
3429 wmep[WME_AC_BE].wmep_aifsn,
3430 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3431 wmep[WME_AC_BE].wmep_txopLimit);
3432
3433 for (i = 0; i < WME_NUM_AC; i++)
3434 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3435 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3436 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3437
3438 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3439 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3440 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3441
3442 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3443 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3444 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3445
3446 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3447 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3448 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3449
3450 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3451 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3452
3453 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3454 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3455 }
3456
3457 /*
3458 * rt2860_asic_update_beacon
3459 */
3460 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3461 struct ieee80211vap *vap)
3462 {
3463 struct ifnet *ifp;
3464 struct ieee80211com *ic;
3465 struct rt2860_softc_vap *rvap;
3466 const struct ieee80211_txparam *tp;
3467 struct mbuf *m;
3468 struct rt2860_txwi txwi;
3469 uint8_t rate, mcs;
3470 uint32_t tmp;
3471
3472 ifp = sc->ifp;
3473 ic = ifp->if_l2com;
3474 rvap = (struct rt2860_softc_vap *) vap;
3475 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3476
3477 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3478 if (m == NULL)
3479 return ENOMEM;
3480
3481 rate = tp->mgmtrate;
3482 mcs = rt2860_rate2mcs(rate);
3483
3484 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3485
3486 txwi.wcid = 0xff;
3487 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3488 RT2860_TXWI_MPDU_LEN_SHIFT);
3489 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3490 txwi.mpdu_density_flags |=
3491 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3492 txwi.bawin_size_xflags |=
3493 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3494
3495 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3496 {
3497 txwi.phymode_ifs_stbc_shortgi =
3498 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3499
3500 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3501 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3502 }
3503 else
3504 {
3505 txwi.phymode_ifs_stbc_shortgi =
3506 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3507 }
3508
3509 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3510 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3511
3512 /* disable temporarily TSF sync */
3513
3514 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3515
3516 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3517 RT2860_REG_TSF_TIMER_ENABLE |
3518 RT2860_REG_TBTT_TIMER_ENABLE);
3519
3520 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3521
3522 /* write Tx wireless info and beacon frame to on-chip memory */
3523
3524 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3525 &txwi, sizeof(struct rt2860_txwi));
3526
3527 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3528 mtod(m, uint8_t *), m->m_pkthdr.len);
3529
3530 /* enable again TSF sync */
3531
3532 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3533
3534 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3535 RT2860_REG_TSF_TIMER_ENABLE |
3536 RT2860_REG_TBTT_TIMER_ENABLE);
3537
3538 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3539
3540 m_freem(m);
3541
3542 return 0;
3543 }
3544
3545 /*
3546 * rt2860_asic_clear_keytables
3547 */
3548 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3549 {
3550 int i;
3551
3552 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3553
3554 for (i = 0; i < 256; i++)
3555 {
3556 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3557 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3558 }
3559
3560 /* clear WCID attribute table (entries = 256, entry size = 4) */
3561
3562 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3563
3564 /* clear IV/EIV table (entries = 256, entry size = 8) */
3565
3566 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3567
3568 /* clear pairwise key table (entries = 256, entry size = 32) */
3569
3570 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3571
3572 /* clear shared key table (entries = 32, entry size = 32) */
3573
3574 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3575
3576 /* clear shared key mode (entries = 32, entry size = 2) */
3577
3578 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3579 }
3580
3581 /*
3582 * rt2860_rxrate
3583 */
3584 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3585 {
3586 uint8_t mcs, phymode;
3587 uint8_t rate;
3588
3589 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3590 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3591 RT2860_RXWI_PHYMODE_MASK;
3592
3593 rate = 2;
3594
3595 switch (phymode)
3596 {
3597 case RT2860_RXWI_PHYMODE_CCK:
3598 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3599 {
3600 case 0: rate = 2; break; /* 1 Mbps */
3601 case 1: rate = 4; break; /* 2 MBps */
3602 case 2: rate = 11; break; /* 5.5 Mbps */
3603 case 3: rate = 22; break; /* 11 Mbps */
3604 }
3605 break;
3606
3607 case RT2860_RXWI_PHYMODE_OFDM:
3608 switch (mcs)
3609 {
3610 case 0: rate = 12; break; /* 6 Mbps */
3611 case 1: rate = 18; break; /* 9 Mbps */
3612 case 2: rate = 24; break; /* 12 Mbps */
3613 case 3: rate = 36; break; /* 18 Mbps */
3614 case 4: rate = 48; break; /* 24 Mbps */
3615 case 5: rate = 72; break; /* 36 Mbps */
3616 case 6: rate = 96; break; /* 48 Mbps */
3617 case 7: rate = 108; break; /* 54 Mbps */
3618 }
3619 break;
3620
3621 case RT2860_RXWI_PHYMODE_HT_MIXED:
3622 case RT2860_RXWI_PHYMODE_HT_GF:
3623 break;
3624 }
3625
3626 return rate;
3627 }
3628
3629 /*
3630 * rt2860_maxrssi_rxpath
3631 */
3632 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3633 const struct rt2860_rxwi *rxwi)
3634 {
3635 uint8_t rxpath;
3636
3637 rxpath = 0;
3638
3639 if (sc->nrxpath > 1)
3640 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3641 rxpath = 1;
3642
3643 if (sc->nrxpath > 2)
3644 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3645 rxpath = 2;
3646
3647 return rxpath;
3648 }
3649
3650 /*
3651 * rt2860_rssi2dbm
3652 */
3653 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3654 uint8_t rssi, uint8_t rxpath)
3655 {
3656 struct ifnet *ifp;
3657 struct ieee80211com *ic;
3658 struct ieee80211_channel *c;
3659 int chan;
3660 int8_t rssi_off, lna_gain;
3661
3662 if (rssi == 0)
3663 return -99;
3664
3665 ifp = sc->ifp;
3666 ic = ifp->if_l2com;
3667 c = ic->ic_curchan;
3668 chan = ieee80211_chan2ieee(ic, c);
3669
3670 if (IEEE80211_IS_CHAN_5GHZ(c))
3671 {
3672 rssi_off = sc->rssi_off_5ghz[rxpath];
3673
3674 if (chan <= 64)
3675 lna_gain = sc->lna_gain[1];
3676 else if (chan <= 128)
3677 lna_gain = sc->lna_gain[2];
3678 else
3679 lna_gain = sc->lna_gain[3];
3680 }
3681 else
3682 {
3683 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3684 lna_gain = sc->lna_gain[0];
3685 }
3686
3687 return (-12 - rssi_off - lna_gain - rssi);
3688 }
3689
3690 /*
3691 * rt2860_rate2mcs
3692 */
3693 static uint8_t rt2860_rate2mcs(uint8_t rate)
3694 {
3695 switch (rate)
3696 {
3697 /* CCK rates */
3698 case 2: return 0;
3699 case 4: return 1;
3700 case 11: return 2;
3701 case 22: return 3;
3702
3703 /* OFDM rates */
3704 case 12: return 0;
3705 case 18: return 1;
3706 case 24: return 2;
3707 case 36: return 3;
3708 case 48: return 4;
3709 case 72: return 5;
3710 case 96: return 6;
3711 case 108: return 7;
3712 }
3713
3714 return 0;
3715 }
3716
3717 /*
3718 * rt2860_tx_mgmt
3719 */
3720 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3721 struct mbuf *m, struct ieee80211_node *ni, int qid)
3722 {
3723 struct ifnet *ifp;
3724 struct ieee80211com *ic;
3725 struct ieee80211vap *vap;
3726 const struct ieee80211_txparam *tp;
3727 struct rt2860_softc_node *rni;
3728 struct rt2860_softc_tx_ring *ring;
3729 struct rt2860_softc_tx_data *data;
3730 struct rt2860_txdesc *desc;
3731 struct rt2860_txwi *txwi;
3732 struct ieee80211_frame *wh;
3733 struct rt2860_softc_tx_radiotap_header *tap;
3734 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3735 u_int hdrsize, hdrspace;
3736 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3737 uint16_t len, dmalen, mpdu_len, dur;
3738 int error, ndmasegs, ndescs, i, j;
3739
3740 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3741 ("%s: Tx MGMT: invalid qid=%d\n",
3742 device_get_nameunit(sc->dev), qid));
3743
3744 ifp = sc->ifp;
3745 ic = ifp->if_l2com;
3746 vap = ni->ni_vap;
3747 rni = (struct rt2860_softc_node *) ni;
3748 tp = ni->ni_txparms;
3749
3750 ring = &sc->tx_ring[qid];
3751 desc = &ring->desc[ring->desc_cur];
3752 data = &ring->data[ring->data_cur];
3753 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3754
3755 wh = mtod(m, struct ieee80211_frame *);
3756
3757 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3758
3759 /* fill Tx wireless info */
3760
3761 if (ni->ni_flags & IEEE80211_NODE_HT)
3762 mcs = rate;
3763 else
3764 mcs = rt2860_rate2mcs(rate);
3765
3766 pid = mcs;
3767
3768 /* calculate MPDU length without padding */
3769
3770 hdrsize = ieee80211_hdrsize(wh);
3771 hdrspace = ieee80211_hdrspace(ic, wh);
3772 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3773
3774 memset(txwi, 0, sizeof(struct rt2860_txwi));
3775
3776 /* management frames do not need encryption */
3777
3778 txwi->wcid = 0xff;
3779
3780 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3781 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3782 RT2860_TXWI_MPDU_LEN_SHIFT);
3783
3784 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3785
3786 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3787 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
3788
3789 txwi->phymode_ifs_stbc_shortgi |=
3790 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3791 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3792
3793 if (ni->ni_flags & IEEE80211_NODE_HT)
3794 {
3795 txwi->phymode_ifs_stbc_shortgi |=
3796 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3797 }
3798 else
3799 {
3800 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3801 {
3802 txwi->phymode_ifs_stbc_shortgi |=
3803 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3804
3805 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3806 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3807 }
3808 else
3809 {
3810 txwi->phymode_ifs_stbc_shortgi |=
3811 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3812 }
3813 }
3814
3815 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3816 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3817
3818 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3819
3820 /* skip ACKs for multicast frames and probe responses */
3821
3822 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3823 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3824 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3825 {
3826 txwi->bawin_size_xflags |=
3827 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3828
3829 if (ni->ni_flags & IEEE80211_NODE_HT)
3830 {
3831 /* preamble + plcp + signal extension + SIFS */
3832
3833 dur = 16 + 4 + 6 + 10;
3834 }
3835 else
3836 {
3837 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3838 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3839 }
3840
3841 *(uint16_t *) wh->i_dur = htole16(dur);
3842 }
3843
3844 /* ask MAC to insert timestamp into probe responses */
3845
3846 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3847 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3848 txwi->mpdu_density_flags |=
3849 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3850
3851 if (ieee80211_radiotap_active_vap(vap))
3852 {
3853 tap = &sc->txtap;
3854
3855 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3856 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3857 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3858 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3859 tap->chan_maxpow = 0;
3860
3861 if (ni->ni_flags & IEEE80211_NODE_HT)
3862 tap->rate = mcs | IEEE80211_RATE_MCS;
3863 else
3864 tap->rate = rate;
3865
3866 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3867 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3868
3869 if (shortgi)
3870 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3871
3872 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3873 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3874
3875 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3876 {
3877 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3878
3879 ieee80211_radiotap_tx(vap, m);
3880
3881 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3882 }
3883 else
3884 {
3885 ieee80211_radiotap_tx(vap, m);
3886 }
3887 }
3888
3889 /* copy and trim 802.11 header */
3890
3891 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3892 m_adj(m, hdrspace);
3893
3894 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3895 dma_seg, &ndmasegs, 0);
3896 if (error != 0)
3897 {
3898 /* too many fragments, linearize */
3899
3900 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3901 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
3902 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3903
3904 m = m_defrag(m, M_DONTWAIT);
3905 if (m == NULL)
3906 return ENOMEM;
3907
3908 sc->tx_defrag_packets++;
3909
3910 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3911 dma_seg, &ndmasegs, 0);
3912 if (error != 0)
3913 {
3914 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
3915 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3916 m_freem(m);
3917 return error;
3918 }
3919 }
3920
3921 if (m->m_pkthdr.len == 0)
3922 ndmasegs = 0;
3923
3924 /* determine how many Tx descs are required */
3925
3926 ndescs = 1 + ndmasegs / 2;
3927 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3928 {
3929 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3930 "%s: there are not enough Tx descs\n",
3931 device_get_nameunit(sc->dev));
3932
3933 sc->no_tx_desc_avail++;
3934
3935 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3936 m_freem(m);
3937 return EFBIG;
3938 }
3939
3940 data->m = m;
3941 data->ni = ni;
3942
3943 /* set up Tx descs */
3944
3945 /* first segment is Tx wireless info and 802.11 header */
3946
3947 len = sizeof(struct rt2860_txwi) + hdrsize;
3948
3949 /* align end on a 4-bytes boundary */
3950
3951 dmalen = (len + 3) & ~ 3;
3952
3953 memset((caddr_t) txwi + len, 0, dmalen - len);
3954
3955 qsel = RT2860_TXDESC_QSEL_EDCA;
3956
3957 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3958 desc->sdl0 = htole16(dmalen);
3959 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3960
3961 /* set up payload segments */
3962
3963 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3964 {
3965 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3966 desc->sdl1 = htole16(dma_seg[j].ds_len);
3967
3968 ring->desc_queued++;
3969 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3970
3971 j++;
3972
3973 desc = &ring->desc[ring->desc_cur];
3974
3975 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3976 desc->sdl0 = htole16(dma_seg[j].ds_len);
3977 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3978
3979 j++;
3980 }
3981
3982 /* finalize last payload segment */
3983
3984 if (i > 0)
3985 {
3986 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3987 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3988 }
3989 else
3990 {
3991 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3992 desc->sdl1 = 0;
3993 }
3994
3995 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3996 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3997 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3998 device_get_nameunit(sc->dev),
3999 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4000 stbc, shortgi, mcs, dmalen, ndmasegs,
4001 (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);
4002
4003 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4004 BUS_DMASYNC_PREWRITE);
4005 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4006 BUS_DMASYNC_PREWRITE);
4007 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4008 BUS_DMASYNC_PREWRITE);
4009
4010 ring->desc_queued++;
4011 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4012
4013 ring->data_queued++;
4014 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4015
4016 /* kick Tx */
4017
4018 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4019
4020 return 0;
4021 }
4022
4023 /*
4024 * rt2860_tx_data
4025 */
4026 static int rt2860_tx_data(struct rt2860_softc *sc,
4027 struct mbuf *m, struct ieee80211_node *ni, int qid)
4028 {
4029 struct ifnet *ifp;
4030 struct ieee80211com *ic;
4031 struct ieee80211vap *vap;
4032 const struct ieee80211_txparam *tp;
4033 struct rt2860_softc_node *rni;
4034 struct rt2860_softc_tx_ring *ring;
4035 struct rt2860_softc_tx_data *data;
4036 struct rt2860_txdesc *desc;
4037 struct rt2860_txwi *txwi;
4038 struct ieee80211_frame *wh;
4039 struct ieee80211_tx_ampdu *tx_ampdu;
4040 ieee80211_seq seqno;
4041 struct rt2860_softc_tx_radiotap_header *tap;
4042 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4043 u_int hdrsize, hdrspace;
4044 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4045 uint16_t qos, len, dmalen, mpdu_len, dur;
4046 int error, hasqos, ac, tid, ampdu, ndmasegs, ndescs, i, j;
4047
4048 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4049 ("%s: Tx data: invalid qid=%d\n",
4050 device_get_nameunit(sc->dev), qid));
4051
4052 ifp = sc->ifp;
4053 ic = ifp->if_l2com;
4054 vap = ni->ni_vap;
4055 rni = (struct rt2860_softc_node *) ni;
4056 tp = ni->ni_txparms;
4057
4058 ring = &sc->tx_ring[qid];
4059 desc = &ring->desc[ring->desc_cur];
4060 data = &ring->data[ring->data_cur];
4061 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4062
4063 wh = mtod(m, struct ieee80211_frame *);
4064
4065 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4066
4067 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4068 if (hasqos)
4069 {
4070 if (IEEE80211_HAS_ADDR4(wh))
4071 qos = le16toh(*(const uint16_t *)
4072 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4073 else
4074 qos = le16toh(*(const uint16_t *)
4075 (((struct ieee80211_qosframe *) wh)->i_qos));
4076 }
4077 else
4078 {
4079 qos = 0;
4080 }
4081
4082 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4083 rate = tp->mcastrate;
4084 else if (m->m_flags & M_EAPOL)
4085 rate = tp->mgmtrate;
4086 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4087 rate = tp->ucastrate;
4088 else
4089 rate = ni->ni_txrate;
4090
4091 rate &= IEEE80211_RATE_VAL;
4092
4093 /* fill Tx wireless info */
4094
4095 if (ni->ni_flags & IEEE80211_NODE_HT)
4096 mcs = rate;
4097 else
4098 mcs = rt2860_rate2mcs(rate);
4099
4100 pid = mcs;
4101
4102 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4103 RT2860_AID2WCID(ni->ni_associd) : 0xff;
4104
4105 /* calculate MPDU length without padding */
4106
4107 hdrsize = ieee80211_hdrsize(wh);
4108 hdrspace = ieee80211_hdrspace(ic, wh);
4109 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4110
4111 memset(txwi, 0, sizeof(struct rt2860_txwi));
4112
4113 txwi->wcid = wcid;
4114
4115 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4116 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4117 RT2860_TXWI_MPDU_LEN_SHIFT);
4118
4119 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4120
4121 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4122 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4123
4124 txwi->phymode_ifs_stbc_shortgi |=
4125 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4126 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4127
4128 if (ni->ni_flags & IEEE80211_NODE_HT)
4129 {
4130 txwi->phymode_ifs_stbc_shortgi |=
4131 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4132 }
4133 else
4134 {
4135 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4136 {
4137 txwi->phymode_ifs_stbc_shortgi |=
4138 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4139
4140 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4141 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4142 }
4143 else
4144 {
4145 txwi->phymode_ifs_stbc_shortgi |=
4146 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4147 }
4148 }
4149
4150 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4151 bw = RT2860_TXWI_BW_40;
4152 else
4153 bw = RT2860_TXWI_BW_20;
4154
4155 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4156 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4157
4158 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4159
4160 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4161 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4162 {
4163 txwi->bawin_size_xflags |=
4164 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4165
4166 if (ni->ni_flags & IEEE80211_NODE_HT)
4167 {
4168 /* preamble + plcp + signal extension + SIFS */
4169
4170 dur = 16 + 4 + 6 + 10;
4171 }
4172 else
4173 {
4174 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4175 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4176 }
4177
4178 *(uint16_t *) wh->i_dur = htole16(dur);
4179 }
4180
4181 /* check for A-MPDU */
4182
4183 if (m->m_flags & M_AMPDU_MPDU)
4184 {
4185 ac = M_WME_GETAC(m);
4186 tid = WME_AC_TO_TID(ac);
4187 tx_ampdu = &ni->ni_tx_ampdu[ac];
4188
4189 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4190 bawin_size = tx_ampdu->txa_wnd;
4191
4192 txwi->mpdu_density_flags |=
4193 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4194 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4195
4196 txwi->bawin_size_xflags |=
4197 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4198
4199 seqno = ni->ni_txseqs[tid]++;
4200
4201 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4202
4203 ampdu = 1;
4204 }
4205 else
4206 {
4207 ampdu = 0;
4208 }
4209
4210 /* ask MAC to insert timestamp into probe responses */
4211
4212 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4213 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4214 txwi->mpdu_density_flags |=
4215 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4216
4217 if (ieee80211_radiotap_active_vap(vap))
4218 {
4219 tap = &sc->txtap;
4220
4221 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4222 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4223 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4224 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4225 tap->chan_maxpow = 0;
4226
4227 if (ni->ni_flags & IEEE80211_NODE_HT)
4228 tap->rate = mcs | IEEE80211_RATE_MCS;
4229 else
4230 tap->rate = rate;
4231
4232 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4233 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4234
4235 if (shortgi)
4236 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4237
4238 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4239 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4240
4241 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4242 {
4243 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4244
4245 ieee80211_radiotap_tx(vap, m);
4246
4247 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4248 }
4249 else
4250 {
4251 ieee80211_radiotap_tx(vap, m);
4252 }
4253 }
4254
4255 /* copy and trim 802.11 header */
4256
4257 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4258 m_adj(m, hdrspace);
4259
4260 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4261 dma_seg, &ndmasegs, 0);
4262 if (error != 0)
4263 {
4264 /* too many fragments, linearize */
4265
4266 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4267 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4268 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4269
4270 m = m_defrag(m, M_DONTWAIT);
4271 if (m == NULL)
4272 return ENOMEM;
4273
4274 sc->tx_defrag_packets++;
4275
4276 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4277 dma_seg, &ndmasegs, 0);
4278 if (error != 0)
4279 {
4280 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4281 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4282 m_freem(m);
4283 return error;
4284 }
4285 }
4286
4287 if (m->m_pkthdr.len == 0)
4288 ndmasegs = 0;
4289
4290 /* determine how many Tx descs are required */
4291
4292 ndescs = 1 + ndmasegs / 2;
4293 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4294 {
4295 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4296 "%s: there are not enough Tx descs\n",
4297 device_get_nameunit(sc->dev));
4298
4299 sc->no_tx_desc_avail++;
4300
4301 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4302 m_freem(m);
4303 return EFBIG;
4304 }
4305
4306 data->m = m;
4307 data->ni = ni;
4308
4309 /* set up Tx descs */
4310
4311 /* first segment is Tx wireless info and 802.11 header */
4312
4313 len = sizeof(struct rt2860_txwi) + hdrsize;
4314
4315 /* align end on a 4-bytes boundary */
4316
4317 dmalen = (len + 3) & ~ 3;
4318
4319 memset((caddr_t) txwi + len, 0, dmalen - len);
4320
4321 qsel = RT2860_TXDESC_QSEL_EDCA;
4322
4323 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4324 desc->sdl0 = htole16(dmalen);
4325 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4326
4327 /* set up payload segments */
4328
4329 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4330 {
4331 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4332 desc->sdl1 = htole16(dma_seg[j].ds_len);
4333
4334 ring->desc_queued++;
4335 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4336
4337 j++;
4338
4339 desc = &ring->desc[ring->desc_cur];
4340
4341 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4342 desc->sdl0 = htole16(dma_seg[j].ds_len);
4343 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4344
4345 j++;
4346 }
4347
4348 /* finalize last payload segment */
4349
4350 if (i > 0)
4351 {
4352 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4353 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4354 }
4355 else
4356 {
4357 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4358 desc->sdl1 = 0;
4359 }
4360
4361 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4362 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4363 "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",
4364 device_get_nameunit(sc->dev),
4365 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4366 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
4367 (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);
4368
4369 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4370 BUS_DMASYNC_PREWRITE);
4371 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4372 BUS_DMASYNC_PREWRITE);
4373 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4374 BUS_DMASYNC_PREWRITE);
4375
4376 ring->desc_queued++;
4377 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4378
4379 ring->data_queued++;
4380 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4381
4382 /* kick Tx */
4383
4384 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4385
4386 return 0;
4387 }
4388
4389 /*
4390 * rt2860_tx_raw
4391 */
4392 static int rt2860_tx_raw(struct rt2860_softc *sc,
4393 struct mbuf *m, struct ieee80211_node *ni,
4394 const struct ieee80211_bpf_params *params)
4395 {
4396 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4397 "%s: Tx raw\n",
4398 device_get_nameunit(sc->dev));
4399
4400 return 0;
4401 }
4402
4403 /*
4404 * rt2860_intr
4405 */
4406 static void rt2860_intr(void *arg)
4407 {
4408 struct rt2860_softc *sc;
4409 struct ifnet *ifp;
4410 uint32_t status;
4411
4412 sc = arg;
4413 ifp = sc->ifp;
4414
4415 /* acknowledge interrupts */
4416
4417 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4418 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4419
4420 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4421 "%s: interrupt: status = 0x%08x\n",
4422 device_get_nameunit(sc->dev), status);
4423
4424 if (status == 0xffffffff || /* device likely went away */
4425 status == 0) /* not for us */
4426 return;
4427
4428 sc->interrupts++;
4429
4430 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4431 return;
4432
4433 if (status & RT2860_REG_INT_TX_COHERENT)
4434 rt2860_tx_coherent_intr(sc);
4435
4436 if (status & RT2860_REG_INT_RX_COHERENT)
4437 rt2860_rx_coherent_intr(sc);
4438
4439 if (status & RT2860_REG_INT_TXRX_COHERENT)
4440 rt2860_txrx_coherent_intr(sc);
4441
4442 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4443 rt2860_fifo_sta_full_intr(sc);
4444
4445 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4446 rt2860_tx_intr(sc, 5);
4447
4448 if (status & RT2860_REG_INT_RX_DONE)
4449 rt2860_rx_intr(sc);
4450
4451 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4452 rt2860_rx_delay_intr(sc);
4453
4454 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4455 rt2860_tx_intr(sc, 4);
4456
4457 if (status & RT2860_REG_INT_TX_AC3_DONE)
4458 rt2860_tx_intr(sc, 3);
4459
4460 if (status & RT2860_REG_INT_TX_AC2_DONE)
4461 rt2860_tx_intr(sc, 2);
4462
4463 if (status & RT2860_REG_INT_TX_AC1_DONE)
4464 rt2860_tx_intr(sc, 1);
4465
4466 if (status & RT2860_REG_INT_TX_AC0_DONE)
4467 rt2860_tx_intr(sc, 0);
4468
4469 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4470 rt2860_tx_delay_intr(sc);
4471
4472 if (status & RT2860_REG_INT_PRE_TBTT)
4473 rt2860_pre_tbtt_intr(sc);
4474
4475 if (status & RT2860_REG_INT_TBTT)
4476 rt2860_tbtt_intr(sc);
4477
4478 if (status & RT2860_REG_INT_MCU_CMD)
4479 rt2860_mcu_cmd_intr(sc);
4480
4481 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4482 rt2860_auto_wakeup_intr(sc);
4483
4484 if (status & RT2860_REG_INT_GP_TIMER)
4485 rt2860_gp_timer_intr(sc);
4486 }
4487
4488 /*
4489 * rt2860_tx_coherent_intr
4490 */
4491 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4492 {
4493 uint32_t tmp;
4494 int i;
4495
4496 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4497 "%s: Tx coherent interrupt\n",
4498 device_get_nameunit(sc->dev));
4499
4500 sc->tx_coherent_interrupts++;
4501
4502 /* restart DMA engine */
4503
4504 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4505
4506 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4507 RT2860_REG_RX_DMA_ENABLE |
4508 RT2860_REG_TX_DMA_ENABLE);
4509
4510 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4511
4512 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4513
4514 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4515 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4516
4517 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4518 {
4519 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4520 sc->tx_ring[i].desc_phys_addr);
4521 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4522 RT2860_SOFTC_TX_RING_DESC_COUNT);
4523 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4524 }
4525
4526 /* init Rx ring */
4527
4528 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4529
4530 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4531 sc->rx_ring.desc_phys_addr);
4532 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4533 RT2860_SOFTC_RX_RING_DATA_COUNT);
4534 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4535 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4536
4537 rt2860_txrx_enable(sc);
4538 }
4539
4540 /*
4541 * rt2860_rx_coherent_intr
4542 */
4543 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4544 {
4545 uint32_t tmp;
4546 int i;
4547
4548 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4549 "%s: Rx coherent interrupt\n",
4550 device_get_nameunit(sc->dev));
4551
4552 sc->rx_coherent_interrupts++;
4553
4554 /* restart DMA engine */
4555
4556 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4557
4558 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4559 RT2860_REG_RX_DMA_ENABLE |
4560 RT2860_REG_TX_DMA_ENABLE);
4561
4562 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4563
4564 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4565
4566 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4567 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4568
4569 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4570 {
4571 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4572 sc->tx_ring[i].desc_phys_addr);
4573 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4574 RT2860_SOFTC_TX_RING_DESC_COUNT);
4575 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4576 }
4577
4578 /* init Rx ring */
4579
4580 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4581
4582 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4583 sc->rx_ring.desc_phys_addr);
4584 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4585 RT2860_SOFTC_RX_RING_DATA_COUNT);
4586 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4587 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4588
4589 rt2860_txrx_enable(sc);
4590 }
4591
4592 /*
4593 * rt2860_txrx_coherent_intr
4594 */
4595 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4596 {
4597 uint32_t tmp;
4598 int i;
4599
4600 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4601 "%s: Tx/Rx coherent interrupt\n",
4602 device_get_nameunit(sc->dev));
4603
4604 sc->txrx_coherent_interrupts++;
4605
4606 /* restart DMA engine */
4607
4608 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4609
4610 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4611 RT2860_REG_RX_DMA_ENABLE |
4612 RT2860_REG_TX_DMA_ENABLE);
4613
4614 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4615
4616 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4617
4618 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4619 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4620
4621 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4622 {
4623 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4624 sc->tx_ring[i].desc_phys_addr);
4625 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4626 RT2860_SOFTC_TX_RING_DESC_COUNT);
4627 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4628 }
4629
4630 /* init Rx ring */
4631
4632 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4633
4634 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4635 sc->rx_ring.desc_phys_addr);
4636 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4637 RT2860_SOFTC_RX_RING_DATA_COUNT);
4638 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4639 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4640
4641 rt2860_txrx_enable(sc);
4642 }
4643
4644 /*
4645 * rt2860_fifo_sta_full_intr
4646 */
4647 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4648 {
4649 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4650 "%s: FIFO statistic full interrupt\n",
4651 device_get_nameunit(sc->dev));
4652
4653 sc->fifo_sta_full_interrupts++;
4654
4655 RT2860_SOFTC_LOCK(sc);
4656
4657 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4658 {
4659 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4660
4661 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4662 }
4663
4664 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4665
4666 RT2860_SOFTC_UNLOCK(sc);
4667 }
4668
4669 /*
4670 * rt2860_rx_intr
4671 */
4672 static void rt2860_rx_intr(struct rt2860_softc *sc)
4673 {
4674 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4675 "%s: Rx interrupt\n",
4676 device_get_nameunit(sc->dev));
4677
4678 sc->rx_interrupts++;
4679
4680 RT2860_SOFTC_LOCK(sc);
4681
4682 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4683 {
4684 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4685
4686 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4687 }
4688
4689 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4690
4691 RT2860_SOFTC_UNLOCK(sc);
4692 }
4693
4694 /*
4695 * rt2860_rx_delay_intr
4696 */
4697 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4698 {
4699 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4700 "%s: Rx delay interrupt\n",
4701 device_get_nameunit(sc->dev));
4702
4703 sc->rx_delay_interrupts++;
4704 }
4705
4706 /*
4707 * rt2860_tx_intr
4708 */
4709 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4710 {
4711 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4712 ("%s: Tx interrupt: invalid qid=%d\n",
4713 device_get_nameunit(sc->dev), qid));
4714
4715 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4716 "%s: Tx interrupt: qid=%d\n",
4717 device_get_nameunit(sc->dev), qid);
4718
4719 sc->tx_interrupts[qid]++;
4720
4721 RT2860_SOFTC_LOCK(sc);
4722
4723 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4724 {
4725 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4726
4727 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4728 }
4729
4730 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4731
4732 RT2860_SOFTC_UNLOCK(sc);
4733 }
4734
4735 /*
4736 * rt2860_tx_delay_intr
4737 */
4738 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4739 {
4740 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4741 "%s: Tx delay interrupt\n",
4742 device_get_nameunit(sc->dev));
4743
4744 sc->tx_delay_interrupts++;
4745 }
4746
4747 /*
4748 * rt2860_pre_tbtt_intr
4749 */
4750 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4751 {
4752 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4753 "%s: Pre-TBTT interrupt\n",
4754 device_get_nameunit(sc->dev));
4755
4756 sc->pre_tbtt_interrupts++;
4757 }
4758
4759 /*
4760 * rt2860_tbtt_intr
4761 */
4762 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4763 {
4764 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4765 "%s: TBTT interrupt\n",
4766 device_get_nameunit(sc->dev));
4767
4768 sc->tbtt_interrupts++;
4769 }
4770
4771 /*
4772 * rt2860_mcu_cmd_intr
4773 */
4774 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4775 {
4776 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4777 "%s: MCU command interrupt\n",
4778 device_get_nameunit(sc->dev));
4779
4780 sc->mcu_cmd_interrupts++;
4781 }
4782
4783 /*
4784 * rt2860_auto_wakeup_intr
4785 */
4786 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4787 {
4788 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4789 "%s: auto wakeup interrupt\n",
4790 device_get_nameunit(sc->dev));
4791
4792 sc->auto_wakeup_interrupts++;
4793 }
4794
4795 /*
4796 * rt2860_gp_timer_intr
4797 */
4798 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4799 {
4800 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4801 "%s: GP timer interrupt\n",
4802 device_get_nameunit(sc->dev));
4803
4804 sc->gp_timer_interrupts++;
4805 }
4806
4807 /*
4808 * rt2860_rx_done_task
4809 */
4810 static void rt2860_rx_done_task(void *context, int pending)
4811 {
4812 struct rt2860_softc *sc;
4813 struct ifnet *ifp;
4814 int again;
4815
4816 sc = context;
4817 ifp = sc->ifp;
4818
4819 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4820 "%s: Rx done task\n",
4821 device_get_nameunit(sc->dev));
4822
4823 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4824 return;
4825
4826 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4827
4828 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4829
4830 RT2860_SOFTC_LOCK(sc);
4831
4832 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4833 {
4834 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4835 "%s: Rx done task: scheduling again\n",
4836 device_get_nameunit(sc->dev));
4837
4838 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4839 }
4840 else
4841 {
4842 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4843 }
4844
4845 RT2860_SOFTC_UNLOCK(sc);
4846 }
4847
4848 /*
4849 * rt2860_tx_done_task
4850 */
4851 static void rt2860_tx_done_task(void *context, int pending)
4852 {
4853 struct rt2860_softc *sc;
4854 struct ifnet *ifp;
4855 uint32_t intr_mask;
4856 int i;
4857
4858 sc = context;
4859 ifp = sc->ifp;
4860
4861 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4862 "%s: Tx done task\n",
4863 device_get_nameunit(sc->dev));
4864
4865 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4866 return;
4867
4868 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4869 {
4870 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4871 {
4872 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4873
4874 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4875 }
4876 }
4877
4878 sc->tx_timer = 0;
4879
4880 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4881
4882 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4883 RT2860_REG_INT_TX_HCCA_DONE |
4884 RT2860_REG_INT_TX_AC3_DONE |
4885 RT2860_REG_INT_TX_AC2_DONE |
4886 RT2860_REG_INT_TX_AC1_DONE |
4887 RT2860_REG_INT_TX_AC0_DONE);
4888
4889 RT2860_SOFTC_LOCK(sc);
4890
4891 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4892 (sc->intr_disable_mask & intr_mask));
4893
4894 if (sc->intr_pending_mask & intr_mask)
4895 {
4896 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4897 "%s: Tx done task: scheduling again\n",
4898 device_get_nameunit(sc->dev));
4899
4900 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4901 }
4902
4903 RT2860_SOFTC_UNLOCK(sc);
4904 }
4905
4906 /*
4907 * rt2860_fifo_sta_full_task
4908 */
4909 static void rt2860_fifo_sta_full_task(void *context, int pending)
4910 {
4911 struct rt2860_softc *sc;
4912 struct ifnet *ifp;
4913
4914 sc = context;
4915 ifp = sc->ifp;
4916
4917 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4918 "%s: FIFO statistic full task\n",
4919 device_get_nameunit(sc->dev));
4920
4921 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4922 return;
4923
4924 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4925
4926 rt2860_drain_fifo_stats(sc);
4927
4928 RT2860_SOFTC_LOCK(sc);
4929
4930 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4931 {
4932 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4933 "%s: FIFO statistic full task: scheduling again\n",
4934 device_get_nameunit(sc->dev));
4935
4936 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4937 }
4938 else
4939 {
4940 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4941 }
4942
4943 RT2860_SOFTC_UNLOCK(sc);
4944 }
4945
4946 /*
4947 * rt2860_periodic_task
4948 */
4949 static void rt2860_periodic_task(void *context, int pending)
4950 {
4951 struct rt2860_softc *sc;
4952 struct ifnet *ifp;
4953 struct ieee80211com *ic;
4954 struct ieee80211vap *vap;
4955
4956 sc = context;
4957 ifp = sc->ifp;
4958 ic = ifp->if_l2com;
4959 vap = TAILQ_FIRST(&ic->ic_vaps);
4960
4961 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4962 "%s: periodic task: round=%lu\n",
4963 device_get_nameunit(sc->dev), sc->periodic_round);
4964
4965 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4966 return;
4967
4968 RT2860_SOFTC_LOCK(sc);
4969
4970 sc->periodic_round++;
4971
4972 rt2860_update_stats(sc);
4973
4974 if ((sc->periodic_round % 10) == 0)
4975 {
4976 rt2860_bbp_tuning(sc);
4977
4978 rt2860_update_raw_counters(sc);
4979
4980 rt2860_watchdog(sc);
4981
4982 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4983 {
4984 if (vap->iv_opmode == IEEE80211_M_STA)
4985 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
4986 else
4987 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
4988 }
4989 }
4990
4991 RT2860_SOFTC_UNLOCK(sc);
4992
4993 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4994 }
4995
4996 /*
4997 * rt2860_rx_eof
4998 */
4999 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5000 {
5001 struct ifnet *ifp;
5002 struct ieee80211com *ic;
5003 struct ieee80211_frame *wh;
5004 struct ieee80211_node *ni;
5005 struct rt2860_softc_node *rni;
5006 struct rt2860_softc_rx_radiotap_header *tap;
5007 struct rt2860_softc_rx_ring *ring;
5008 struct rt2860_rxdesc *desc;
5009 struct rt2860_softc_rx_data *data;
5010 struct rt2860_rxwi *rxwi;
5011 struct mbuf *m, *mnew;
5012 bus_dma_segment_t segs[1];
5013 bus_dmamap_t dma_map;
5014 uint32_t index, desc_flags;
5015 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
5016 int8_t rssi_dbm;
5017 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5018
5019 ifp = sc->ifp;
5020 ic = ifp->if_l2com;
5021 ring = &sc->rx_ring;
5022
5023 nframes = 0;
5024
5025 while (limit != 0)
5026 {
5027 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5028 if (ring->cur == index)
5029 break;
5030
5031 desc = &ring->desc[ring->cur];
5032 desc_flags = le32toh(desc->flags);
5033 data = &ring->data[ring->cur];
5034
5035 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5036 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5037
5038 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5039 break;
5040
5041 nframes++;
5042
5043 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5044 if (mnew == NULL)
5045 {
5046 sc->rx_mbuf_alloc_errors++;
5047 ifp->if_ierrors++;
5048 goto skip;
5049 }
5050
5051 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5052
5053 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5054 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5055 if (error != 0)
5056 {
5057 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5058 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5059 device_get_nameunit(sc->dev), error, nsegs);
5060
5061 m_freem(mnew);
5062
5063 sc->rx_mbuf_dmamap_errors++;
5064 ifp->if_ierrors++;
5065
5066 goto skip;
5067 }
5068
5069 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5070 device_get_nameunit(sc->dev)));
5071
5072 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5073 BUS_DMASYNC_POSTREAD);
5074 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5075
5076 dma_map = data->dma_map;
5077 data->dma_map = ring->spare_dma_map;
5078 ring->spare_dma_map = dma_map;
5079
5080 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5081 BUS_DMASYNC_PREREAD);
5082
5083 m = data->m;
5084
5085 data->m = mnew;
5086 desc->sdp0 = htole32(segs[0].ds_addr);
5087
5088 /* get Rx wireless info */
5089
5090 rxwi = mtod(m, struct rt2860_rxwi *);
5091 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5092 RT2860_RXWI_SIZE_MASK;
5093
5094 /* check for L2 padding between IEEE 802.11 frame header and body */
5095
5096 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5097 {
5098 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5099 "%s: L2 padding: len=%d\n",
5100 device_get_nameunit(sc->dev), len);
5101
5102 len += 2;
5103 }
5104
5105 m->m_pkthdr.rcvif = ifp;
5106 m->m_data = (caddr_t) (rxwi + 1);
5107 m->m_pkthdr.len = m->m_len = len;
5108
5109 /* check for crc errors */
5110
5111 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5112 {
5113 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5114 "%s: rxdesc: crc error\n",
5115 device_get_nameunit(sc->dev));
5116
5117 ifp->if_ierrors++;
5118
5119 if (!(ifp->if_flags & IFF_PROMISC))
5120 {
5121 m_freem(m);
5122 goto skip;
5123 }
5124 }
5125
5126 wh = (struct ieee80211_frame *) (rxwi + 1);
5127
5128 /* check for cipher errors */
5129
5130 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5131 {
5132 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5133 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5134 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5135 {
5136 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5137 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5138
5139 m->m_flags |= M_WEP;
5140 }
5141 else
5142 {
5143 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5144 "%s: rxdesc: cipher error=0x%02x\n",
5145 device_get_nameunit(sc->dev), cipher_err);
5146
5147 ifp->if_ierrors++;
5148
5149 if (!(ifp->if_flags & IFF_PROMISC))
5150 {
5151 m_free(m);
5152 goto skip;
5153 }
5154 }
5155 }
5156 else
5157 {
5158 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5159 {
5160 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5161 "%s: rxdesc: not decrypted but protected flag set\n",
5162 device_get_nameunit(sc->dev));
5163
5164 ifp->if_ierrors++;
5165
5166 if (!(ifp->if_flags & IFF_PROMISC))
5167 {
5168 m_free(m);
5169 goto skip;
5170 }
5171 }
5172 }
5173
5174 /* check for A-MPDU */
5175
5176 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5177 {
5178 m->m_flags |= M_AMPDU;
5179
5180 sc->rx_ampdu++;
5181
5182 ampdu = 1;
5183 }
5184 else
5185 {
5186 ampdu = 0;
5187 }
5188
5189 /* check for A-MSDU */
5190
5191 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5192 {
5193 sc->rx_amsdu++;
5194
5195 amsdu = 1;
5196 }
5197 else
5198 {
5199 amsdu = 0;
5200 }
5201
5202 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5203 rssi = rxwi->rssi[ant];
5204 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5205 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5206 RT2860_RXWI_PHYMODE_MASK);
5207 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5208 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5209 RT2860_RXWI_SHORTGI_MASK);
5210 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5211
5212 if (ieee80211_radiotap_active(ic))
5213 {
5214 tap = &sc->rxtap;
5215
5216 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5217 tap->dbm_antsignal = rssi_dbm;
5218 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5219 tap->antenna = ant;
5220 tap->antsignal = rssi;
5221 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5222 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5223 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5224 tap->chan_maxpow = 0;
5225
5226 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5227 tap->rate = mcs | IEEE80211_RATE_MCS;
5228 else
5229 tap->rate = rt2860_rxrate(rxwi);
5230
5231 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5232 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5233
5234 if (shortgi)
5235 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5236 }
5237
5238 /*
5239 * net80211 assumes that RSSI data are in the range [-127..127] and
5240 * in .5 dBm units relative to the current noise floor
5241 */
5242
5243 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5244 if (rssi_dbm_rel > 127)
5245 rssi_dbm_rel = 127;
5246
5247 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5248 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5249 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5250 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5251 device_get_nameunit(sc->dev),
5252 len, phymode, bw, shortgi, mcs,
5253 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5254 rxwi->snr[0], rxwi->snr[1],
5255 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5256
5257 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5258 if (ni != NULL)
5259 {
5260 rni = (struct rt2860_softc_node *) ni;
5261
5262 for (i = 0; i < RT2860_SOFTC_RSSI_DBM_COUNT; i++)
5263 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5264
5265 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5266 ieee80211_free_node(ni);
5267 }
5268 else
5269 {
5270 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5271 }
5272
5273 skip:
5274
5275 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5276
5277 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5278 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5279
5280 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5281
5282 limit--;
5283 }
5284
5285 if (ring->cur == 0)
5286 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5287 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5288 else
5289 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5290 ring->cur - 1);
5291
5292 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5293 "%s: Rx eof: nframes=%d\n",
5294 device_get_nameunit(sc->dev), nframes);
5295
5296 sc->rx_packets += nframes;
5297
5298 return (limit == 0);
5299 }
5300
5301 /*
5302 * rt2860_tx_eof
5303 */
5304 static void rt2860_tx_eof(struct rt2860_softc *sc,
5305 struct rt2860_softc_tx_ring *ring)
5306 {
5307 struct ifnet *ifp;
5308 struct rt2860_txdesc *desc;
5309 struct rt2860_softc_tx_data *data;
5310 uint32_t index;
5311 int ndescs, nframes;
5312
5313 ifp = sc->ifp;
5314
5315 ndescs = 0;
5316 nframes = 0;
5317
5318 for (;;)
5319 {
5320 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5321 if (ring->desc_next == index)
5322 break;
5323
5324 ndescs++;
5325
5326 rt2860_drain_fifo_stats(sc);
5327
5328 desc = &ring->desc[ring->desc_next];
5329
5330 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5331 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5332
5333 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5334 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5335 {
5336 nframes++;
5337
5338 data = &ring->data[ring->data_next];
5339
5340 if (data->m->m_flags & M_TXCB)
5341 ieee80211_process_callback(data->ni, data->m, 0);
5342
5343 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5344 BUS_DMASYNC_POSTWRITE);
5345 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5346
5347 m_freem(data->m);
5348
5349 ieee80211_free_node(data->ni);
5350
5351 data->m = NULL;
5352 data->ni = NULL;
5353
5354 ifp->if_opackets++;
5355
5356 RT2860_SOFTC_LOCK(sc);
5357
5358 ring->data_queued--;
5359 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5360
5361 RT2860_SOFTC_UNLOCK(sc);
5362 }
5363
5364 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5365
5366 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5367 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5368
5369 RT2860_SOFTC_LOCK(sc);
5370
5371 ring->desc_queued--;
5372 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5373
5374 RT2860_SOFTC_UNLOCK(sc);
5375 }
5376
5377 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5378 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5379 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5380 }
5381
5382 /*
5383 * rt2860_update_stats
5384 */
5385 static void rt2860_update_stats(struct rt2860_softc *sc)
5386 {
5387 struct ifnet *ifp;
5388 struct ieee80211com *ic;
5389 struct ieee80211vap *vap;
5390 struct ieee80211_node *ni;
5391 uint32_t stacnt[3];
5392 int beacons, noretryok, retryok, failed, underflows, zerolen;
5393 uint16_t associd;
5394 uint8_t wcid;
5395
5396 ifp = sc->ifp;
5397 ic = ifp->if_l2com;
5398 vap = TAILQ_FIRST(&ic->ic_vaps);
5399
5400 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5401 "%s: update statistic\n",
5402 device_get_nameunit(sc->dev));
5403
5404 rt2860_drain_fifo_stats(sc);
5405
5406 /* read and clear Tx statistic registers */
5407
5408 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5409 stacnt, sizeof(stacnt));
5410
5411 stacnt[0] = le32toh(stacnt[0]);
5412 stacnt[1] = le32toh(stacnt[1]);
5413 stacnt[2] = le32toh(stacnt[2]);
5414
5415 beacons = stacnt[0] >> 16;
5416 noretryok = stacnt[1] & 0xffff;
5417 retryok = stacnt[1] >> 16;
5418 failed = stacnt[0] & 0xffff;
5419 underflows = stacnt[2] >> 16;
5420 zerolen = stacnt[2] & 0xffff;
5421
5422 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5423 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5424 device_get_nameunit(sc->dev),
5425 beacons, noretryok, retryok, failed, underflows, zerolen);
5426
5427 ifp->if_oerrors += failed;
5428
5429 sc->tx_beacons += beacons;
5430 sc->tx_noretryok += noretryok;
5431 sc->tx_retryok += retryok;
5432 sc->tx_failed += failed;
5433 sc->tx_underflows += underflows;
5434 sc->tx_zerolen += zerolen;
5435
5436 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5437 {
5438 ni = vap->iv_bss;
5439
5440 associd = (ni != NULL) ? ni->ni_associd : 0;
5441 wcid = RT2860_AID2WCID(associd);
5442
5443 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5444 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5445 }
5446 }
5447
5448 /*
5449 * rt2860_bbp_tuning
5450 */
5451 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5452 {
5453 struct ifnet *ifp;
5454 struct ieee80211com *ic;
5455 struct ieee80211vap *vap;
5456 struct ieee80211_node *ni;
5457 int chan, group;
5458 int8_t rssi, old, new;
5459
5460 /* RT2860C does not support BBP tuning */
5461
5462 if (sc->mac_rev == 0x28600100)
5463 return;
5464
5465 ifp = sc->ifp;
5466 ic = ifp->if_l2com;
5467 vap = TAILQ_FIRST(&ic->ic_vaps);
5468
5469 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5470 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5471 return;
5472
5473 ni = vap->iv_bss;
5474
5475 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5476
5477 if (chan <= 14)
5478 group = 0;
5479 else if (chan <= 64)
5480 group = 1;
5481 else if (chan <= 128)
5482 group = 2;
5483 else
5484 group = 3;
5485
5486 rssi = ieee80211_getrssi(vap);
5487
5488 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5489 {
5490 new = 0x2e + sc->lna_gain[group];
5491 }
5492 else
5493 {
5494 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5495 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5496 else
5497 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5498 }
5499
5500 /* Tune if absolute average RSSI is greater than -80 */
5501
5502 if (rssi > 30)
5503 new += 0x10;
5504
5505 old = rt2860_io_bbp_read(sc, 66);
5506
5507 if (old != new)
5508 rt2860_io_bbp_write(sc, 66, new);
5509 }
5510
5511 /*
5512 * rt2860_watchdog
5513 */
5514 static void rt2860_watchdog(struct rt2860_softc *sc)
5515 {
5516 uint32_t tmp;
5517 int ntries;
5518
5519 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5520
5521 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5522 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5523 device_get_nameunit(sc->dev), tmp);
5524
5525 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5526 {
5527 sc->tx_queue_not_empty[0]++;
5528
5529 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5530
5531 for (ntries = 0; ntries < 10; ntries++)
5532 {
5533 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5534 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5535 break;
5536
5537 DELAY(1);
5538 }
5539
5540 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5541 }
5542
5543 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5544 {
5545 sc->tx_queue_not_empty[1]++;
5546
5547 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5548
5549 for (ntries = 0; ntries < 10; ntries++)
5550 {
5551 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5552 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5553 break;
5554
5555 DELAY(1);
5556 }
5557
5558 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5559 }
5560 }
5561
5562 /*
5563 * rt2860_drain_fifo_stats
5564 */
5565 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5566 {
5567 struct ifnet *ifp;
5568 uint32_t stats;
5569 uint8_t wcid, mcs, pid;
5570 int ok, agg, retrycnt;
5571
5572 ifp = sc->ifp;
5573
5574 /* drain Tx status FIFO (maxsize = 16) */
5575
5576 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5577 RT2860_REG_TX_STA_FIFO_VALID)
5578 {
5579 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5580 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5581
5582 /* if no ACK was requested, no feedback is available */
5583
5584 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5585 continue;
5586
5587 /* update AMRR statistic */
5588
5589 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5590 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5591 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5592 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5593 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5594 RT2860_REG_TX_STA_FIFO_PID_MASK;
5595 retrycnt = pid - mcs;
5596
5597 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5598 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5599 device_get_nameunit(sc->dev),
5600 wcid, ok, agg, mcs, pid, retrycnt);
5601
5602 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5603
5604 if (!ok)
5605 ifp->if_oerrors++;
5606 }
5607 }
5608
5609 /*
5610 * rt2860_update_raw_counters
5611 */
5612 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5613 {
5614 uint32_t tmp;
5615
5616 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5617
5618 sc->tx_nonagg += tmp & 0xffff;
5619 sc->tx_agg += tmp >> 16;
5620
5621 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5622
5623 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5624
5625 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5626
5627 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5628
5629 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5630
5631 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5632
5633 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5634
5635 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5636
5637 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5638
5639 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5640
5641 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5642
5643 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5644
5645 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5646
5647 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5648
5649 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5650
5651 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5652
5653 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5654
5655 sc->rx_crc_errors += tmp & 0xffff;
5656 sc->rx_phy_errors += tmp >> 16;
5657
5658 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5659
5660 sc->rx_false_ccas += tmp & 0xffff;
5661 sc->rx_plcp_errors += tmp >> 16;
5662
5663 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5664
5665 sc->rx_dup_packets += tmp & 0xffff;
5666 sc->rx_fifo_overflows += tmp >> 16;
5667
5668 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5669
5670 sc->tx_mpdu_zero_density += tmp & 0xffff;
5671 sc->rx_mpdu_zero_density += tmp >> 16;
5672 }
5673
5674 /*
5675 * rt2860_intr_enable
5676 */
5677 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5678 {
5679 uint32_t tmp;
5680
5681 sc->intr_disable_mask &= ~intr_mask;
5682
5683 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5684
5685 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5686 }
5687
5688 /*
5689 * rt2860_intr_disable
5690 */
5691 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5692 {
5693 uint32_t tmp;
5694
5695 sc->intr_disable_mask |= intr_mask;
5696
5697 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5698
5699 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5700 }
5701
5702 /*
5703 * rt2860_txrx_enable
5704 */
5705 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5706 {
5707 struct ieee80211com *ic;
5708 struct ifnet *ifp;
5709 uint32_t tmp;
5710 int ntries;
5711
5712 ifp = sc->ifp;
5713 ic = ifp->if_l2com;
5714
5715 /* enable Tx/Rx DMA engine */
5716
5717 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5718
5719 for (ntries = 0; ntries < 200; ntries++)
5720 {
5721 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5722 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5723 break;
5724
5725 DELAY(1000);
5726 }
5727
5728 if (ntries == 200)
5729 {
5730 printf("%s: timeout waiting for DMA engine\n",
5731 device_get_nameunit(sc->dev));
5732 return -1;
5733 }
5734
5735 DELAY(50);
5736
5737 tmp |= RT2860_REG_TX_WB_DDONE |
5738 RT2860_REG_RX_DMA_ENABLE |
5739 RT2860_REG_TX_DMA_ENABLE |
5740 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5741
5742 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5743
5744 /* set Rx filter */
5745
5746 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5747 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5748
5749 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5750 {
5751 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5752 RT2860_REG_RX_FILTER_DROP_CTS |
5753 RT2860_REG_RX_FILTER_DROP_BA |
5754 RT2860_REG_RX_FILTER_DROP_ACK |
5755 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5756 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5757 RT2860_REG_RX_FILTER_DROP_CFACK |
5758 RT2860_REG_RX_FILTER_DROP_CFEND;
5759
5760 if (ic->ic_opmode == IEEE80211_M_STA)
5761 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5762 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5763
5764 if (!(ifp->if_flags & IFF_PROMISC))
5765 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5766 }
5767
5768 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5769
5770 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5771 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5772
5773 return 0;
5774 }
5775
5776 /*
5777 * rt2860_alloc_rx_ring
5778 */
5779 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5780 struct rt2860_softc_rx_ring *ring)
5781 {
5782 struct rt2860_rxdesc *desc;
5783 struct rt2860_softc_rx_data *data;
5784 bus_dma_segment_t segs[1];
5785 int i, nsegs, error;
5786
5787 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5788 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5789 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5790 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5791 0, NULL, NULL, &ring->desc_dma_tag);
5792 if (error != 0)
5793 {
5794 printf("%s: could not create Rx desc DMA tag\n",
5795 device_get_nameunit(sc->dev));
5796 goto fail;
5797 }
5798
5799 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5800 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5801 if (error != 0)
5802 {
5803 printf("%s: could not allocate Rx desc DMA memory\n",
5804 device_get_nameunit(sc->dev));
5805 goto fail;
5806 }
5807
5808 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5809 ring->desc,
5810 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5811 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5812 if (error != 0)
5813 {
5814 printf("%s: could not load Rx desc DMA map\n",
5815 device_get_nameunit(sc->dev));
5816 goto fail;
5817 }
5818
5819 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5820 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5821 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5822 &ring->data_dma_tag);
5823 if (error != 0)
5824 {
5825 printf("%s: could not create Rx data DMA tag\n",
5826 device_get_nameunit(sc->dev));
5827 goto fail;
5828 }
5829
5830 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5831 {
5832 desc = &ring->desc[i];
5833 data = &ring->data[i];
5834
5835 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5836 if (error != 0)
5837 {
5838 printf("%s: could not create Rx data DMA map\n",
5839 device_get_nameunit(sc->dev));
5840 goto fail;
5841 }
5842
5843 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5844 if (data->m == NULL)
5845 {
5846 printf("%s: could not allocate Rx mbuf\n",
5847 device_get_nameunit(sc->dev));
5848 error = ENOMEM;
5849 goto fail;
5850 }
5851
5852 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5853
5854 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5855 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5856 if (error != 0)
5857 {
5858 printf("%s: could not load Rx mbuf DMA map\n",
5859 device_get_nameunit(sc->dev));
5860 goto fail;
5861 }
5862
5863 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5864 device_get_nameunit(sc->dev)));
5865
5866 desc->sdp0 = htole32(segs[0].ds_addr);
5867 desc->sdl0 = htole16(MJUMPAGESIZE);
5868 }
5869
5870 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5871 if (error != 0)
5872 {
5873 printf("%s: could not create Rx spare DMA map\n",
5874 device_get_nameunit(sc->dev));
5875 goto fail;
5876 }
5877
5878 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5879 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5880
5881 return 0;
5882
5883 fail:
5884
5885 rt2860_free_rx_ring(sc, ring);
5886
5887 return error;
5888 }
5889
5890 /*
5891 * rt2860_reset_rx_ring
5892 */
5893 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5894 struct rt2860_softc_rx_ring *ring)
5895 {
5896 struct rt2860_rxdesc *desc;
5897 int i;
5898
5899 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5900 {
5901 desc = &ring->desc[i];
5902
5903 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5904 }
5905
5906 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5907 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5908
5909 ring->cur = 0;
5910 }
5911
5912 /*
5913 * rt2860_free_rx_ring
5914 */
5915 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5916 struct rt2860_softc_rx_ring *ring)
5917 {
5918 struct rt2860_softc_rx_data *data;
5919 int i;
5920
5921 if (ring->desc != NULL)
5922 {
5923 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5924 BUS_DMASYNC_POSTWRITE);
5925 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5926 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5927 ring->desc_dma_map);
5928 }
5929
5930 if (ring->desc_dma_tag != NULL)
5931 bus_dma_tag_destroy(ring->desc_dma_tag);
5932
5933 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5934 {
5935 data = &ring->data[i];
5936
5937 if (data->m != NULL)
5938 {
5939 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5940 BUS_DMASYNC_POSTREAD);
5941 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5942 m_freem(data->m);
5943 }
5944
5945 if (data->dma_map != NULL)
5946 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5947 }
5948
5949 if (ring->spare_dma_map != NULL)
5950 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5951
5952 if (ring->data_dma_tag != NULL)
5953 bus_dma_tag_destroy(ring->data_dma_tag);
5954 }
5955
5956 /*
5957 * rt2860_alloc_tx_ring
5958 */
5959 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5960 struct rt2860_softc_tx_ring *ring, int qid)
5961 {
5962 struct rt2860_softc_tx_data *data;
5963 int error, i;
5964
5965 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5966 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5967 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5968 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5969 0, NULL, NULL, &ring->desc_dma_tag);
5970 if (error != 0)
5971 {
5972 printf("%s: could not create Tx desc DMA tag\n",
5973 device_get_nameunit(sc->dev));
5974 goto fail;
5975 }
5976
5977 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5978 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5979 if (error != 0)
5980 {
5981 printf("%s: could not allocate Tx desc DMA memory\n",
5982 device_get_nameunit(sc->dev));
5983 goto fail;
5984 }
5985
5986 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5987 ring->desc,
5988 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5989 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5990 if (error != 0)
5991 {
5992 printf("%s: could not load Tx desc DMA map\n",
5993 device_get_nameunit(sc->dev));
5994 goto fail;
5995 }
5996
5997 ring->desc_queued = 0;
5998 ring->desc_cur = 0;
5999 ring->desc_next = 0;
6000
6001 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6002 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6003 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6004 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6005 0, NULL, NULL, &ring->seg0_dma_tag);
6006 if (error != 0)
6007 {
6008 printf("%s: could not create Tx seg0 DMA tag\n",
6009 device_get_nameunit(sc->dev));
6010 goto fail;
6011 }
6012
6013 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6014 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6015 if (error != 0)
6016 {
6017 printf("%s: could not allocate Tx seg0 DMA memory\n",
6018 device_get_nameunit(sc->dev));
6019 goto fail;
6020 }
6021
6022 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6023 ring->seg0,
6024 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6025 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6026 if (error != 0)
6027 {
6028 printf("%s: could not load Tx seg0 DMA map\n",
6029 device_get_nameunit(sc->dev));
6030 goto fail;
6031 }
6032
6033 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6034 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6035 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6036 &ring->data_dma_tag);
6037 if (error != 0)
6038 {
6039 printf("%s: could not create Tx data DMA tag\n",
6040 device_get_nameunit(sc->dev));
6041 goto fail;
6042 }
6043
6044 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6045 {
6046 data = &ring->data[i];
6047
6048 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6049 if (error != 0)
6050 {
6051 printf("%s: could not create Tx data DMA map\n",
6052 device_get_nameunit(sc->dev));
6053 goto fail;
6054 }
6055 }
6056
6057 ring->data_queued = 0;
6058 ring->data_cur = 0;
6059 ring->data_next = 0;
6060
6061 ring->qid = qid;
6062
6063 return 0;
6064
6065 fail:
6066
6067 rt2860_free_tx_ring(sc, ring);
6068
6069 return error;
6070 }
6071
6072 /*
6073 * rt2860_reset_tx_ring
6074 */
6075 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6076 struct rt2860_softc_tx_ring *ring)
6077 {
6078 struct rt2860_softc_tx_data *data;
6079 struct rt2860_txdesc *desc;
6080 int i;
6081
6082 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6083 {
6084 desc = &ring->desc[i];
6085
6086 desc->sdl0 = 0;
6087 desc->sdl1 = 0;
6088 }
6089
6090 ring->desc_queued = 0;
6091 ring->desc_cur = 0;
6092 ring->desc_next = 0;
6093
6094 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6095 BUS_DMASYNC_PREWRITE);
6096
6097 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6098 BUS_DMASYNC_PREWRITE);
6099
6100 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6101 {
6102 data = &ring->data[i];
6103
6104 if (data->m != NULL)
6105 {
6106 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6107 BUS_DMASYNC_POSTWRITE);
6108 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6109 m_freem(data->m);
6110 data->m = NULL;
6111 }
6112
6113 if (data->ni != NULL)
6114 {
6115 ieee80211_free_node(data->ni);
6116 data->ni = NULL;
6117 }
6118 }
6119
6120 ring->data_queued = 0;
6121 ring->data_cur = 0;
6122 ring->data_next = 0;
6123 }
6124
6125 /*
6126 * rt2860_free_tx_ring
6127 */
6128 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6129 struct rt2860_softc_tx_ring *ring)
6130 {
6131 struct rt2860_softc_tx_data *data;
6132 int i;
6133
6134 if (ring->desc != NULL)
6135 {
6136 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6137 BUS_DMASYNC_POSTWRITE);
6138 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6139 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6140 ring->desc_dma_map);
6141 }
6142
6143 if (ring->desc_dma_tag != NULL)
6144 bus_dma_tag_destroy(ring->desc_dma_tag);
6145
6146 if (ring->seg0 != NULL)
6147 {
6148 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6149 BUS_DMASYNC_POSTWRITE);
6150 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6151 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6152 ring->seg0_dma_map);
6153 }
6154
6155 if (ring->seg0_dma_tag != NULL)
6156 bus_dma_tag_destroy(ring->seg0_dma_tag);
6157
6158 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6159 {
6160 data = &ring->data[i];
6161
6162 if (data->m != NULL)
6163 {
6164 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6165 BUS_DMASYNC_POSTWRITE);
6166 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6167 m_freem(data->m);
6168 }
6169
6170 if (data->ni != NULL)
6171 ieee80211_free_node(data->ni);
6172
6173 if (data->dma_map != NULL)
6174 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6175 }
6176
6177 if (ring->data_dma_tag != NULL)
6178 bus_dma_tag_destroy(ring->data_dma_tag);
6179 }
6180
6181 /*
6182 * rt2860_dma_map_addr
6183 */
6184 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6185 int nseg, int error)
6186 {
6187 if (error != 0)
6188 return;
6189
6190 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6191
6192 *(bus_addr_t *) arg = segs[0].ds_addr;
6193 }
6194
6195 /*
6196 * rt2860_sysctl_attach
6197 */
6198 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6199 {
6200 struct sysctl_ctx_list *ctx;
6201 struct sysctl_oid *tree;
6202 struct sysctl_oid *stats;
6203
6204 ctx = device_get_sysctl_ctx(sc->dev);
6205 tree = device_get_sysctl_tree(sc->dev);
6206
6207 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6208 "stats", CTLFLAG_RD, 0, "statistic");
6209
6210 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6211 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6212 "all interrupts");
6213
6214 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6215 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6216 "Tx coherent interrupts");
6217
6218 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6219 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6220 "Rx coherent interrupts");
6221
6222 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6223 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6224 "Tx/Rx coherent interrupts");
6225
6226 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6227 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6228 "FIFO statistic full interrupts");
6229
6230 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6231 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6232 "Rx interrupts");
6233
6234 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6235 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6236 "Rx delay interrupts");
6237
6238 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6239 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6240 "Tx MGMT interrupts");
6241
6242 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6243 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6244 "Tx HCCA interrupts");
6245
6246 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6247 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6248 "Tx AC3 interrupts");
6249
6250 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6251 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6252 "Tx AC2 interrupts");
6253
6254 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6255 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6256 "Tx AC1 interrupts");
6257
6258 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6259 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6260 "Tx AC0 interrupts");
6261
6262 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6263 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6264 "Tx delay interrupts");
6265
6266 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6267 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6268 "Pre-TBTT interrupts");
6269
6270 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6271 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6272 "TBTT interrupts");
6273
6274 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6275 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6276 "MCU command interrupts");
6277
6278 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6279 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6280 "auto wakeup interrupts");
6281
6282 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6283 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6284 "GP timer interrupts");
6285
6286 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6287 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6288 "Tx MGMT descriptors queued");
6289
6290 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6291 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6292 "Tx MGMT data queued");
6293
6294 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6295 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6296 "Tx HCCA descriptors queued");
6297
6298 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6299 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6300 "Tx HCCA data queued");
6301
6302 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6303 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6304 "Tx AC3 descriptors queued");
6305
6306 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6307 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6308 "Tx AC3 data queued");
6309
6310 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6311 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6312 "Tx AC2 descriptors queued");
6313
6314 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6315 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6316 "Tx AC2 data queued");
6317
6318 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6319 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6320 "Tx AC1 descriptors queued");
6321
6322 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6323 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6324 "Tx AC1 data queued");
6325
6326 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6327 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6328 "Tx AC0 descriptors queued");
6329
6330 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6331 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6332 "Tx AC0 data queued");
6333
6334 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6335 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6336 "Tx MGMT data queue full");
6337
6338 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6339 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6340 "Tx HCCA data queue full");
6341
6342 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6343 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6344 "Tx AC3 data queue full");
6345
6346 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6347 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6348 "Tx AC2 data queue full");
6349
6350 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6351 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6352 "Tx AC1 data queue full");
6353
6354 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6355 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6356 "Tx AC0 data queue full");
6357
6358 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6359 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6360 "Tx watchdog timeouts");
6361
6362 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6363 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6364 "Tx defragmented packets");
6365
6366 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6367 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6368 "no Tx descriptors available");
6369
6370 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6371 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6372 "Rx mbuf allocation errors");
6373
6374 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6375 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6376 "Rx mbuf DMA mapping errors");
6377
6378 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6379 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6380 "Tx queue 0 not empty");
6381
6382 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6383 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6384 "Tx queue 1 not empty");
6385
6386 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6387 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6388 "Tx beacons");
6389
6390 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6391 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6392 "Tx successfull without retries");
6393
6394 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6395 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6396 "Tx successfull with retries");
6397
6398 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6399 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6400 "Tx failed");
6401
6402 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6403 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6404 "Tx underflows");
6405
6406 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6407 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6408 "Tx zero length");
6409
6410 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6411 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6412 "Tx non-aggregated");
6413
6414 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6415 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6416 "Tx aggregated");
6417
6418 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6419 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6420 "Tx A-MPDU");
6421
6422 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6423 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6424 "Tx MPDU with zero density");
6425
6426 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6427 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6428 "Rx packets");
6429
6430 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6431 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6432 "Rx A-MPDU");
6433
6434 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6435 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6436 "Rx MPDU with zero density");
6437
6438 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6439 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6440 "Rx A-MSDU");
6441
6442 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6443 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6444 "Rx CRC errors");
6445
6446 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6447 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6448 "Rx PHY errors");
6449
6450 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6451 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6452 "Rx false CCAs");
6453
6454 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6455 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6456 "Rx PLCP errors");
6457
6458 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6459 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6460 "Rx duplicate packets");
6461
6462 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6463 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6464 "Rx FIFO overflows");
6465 }
6466
6467 static device_method_t rt2860_dev_methods[] =
6468 {
6469 DEVMETHOD(device_probe, rt2860_probe),
6470 DEVMETHOD(device_attach, rt2860_attach),
6471 DEVMETHOD(device_detach, rt2860_detach),
6472 DEVMETHOD(device_shutdown, rt2860_shutdown),
6473 DEVMETHOD(device_suspend, rt2860_suspend),
6474 DEVMETHOD(device_resume, rt2860_resume),
6475 { 0, 0 }
6476 };
6477
6478 static driver_t rt2860_driver =
6479 {
6480 "rt2860",
6481 rt2860_dev_methods,
6482 sizeof(struct rt2860_softc)
6483 };
6484
6485 static devclass_t rt2860_dev_class;
6486
6487 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6488
6489 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6490 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860