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Correct BA window size
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
bloba66e68f48ae6812a366e1844c574b2dcef8af7a8
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_SHORTGI:
1930 case IEEE80211_IOC_AMPDU_DENSITY:
1931 break;
1932
1933 default:
1934 error = ENETRESET;
1935 break;
1936 }
1937
1938 return error;
1939 }
1940
1941 /*
1942 * rt2860_vap_newstate
1943 */
1944 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1945 enum ieee80211_state nstate, int arg)
1946 {
1947 struct rt2860_softc *sc;
1948 struct ieee80211com *ic;
1949 struct ifnet *ifp;
1950 struct rt2860_softc_vap *rvap;
1951 struct ieee80211_node *ni;
1952 enum ieee80211_state ostate;
1953 int error;
1954
1955 ic = vap->iv_ic;
1956 ifp = ic->ic_ifp;
1957 sc = ifp->if_softc;
1958 rvap = (struct rt2860_softc_vap *) vap;
1959
1960 ostate = vap->iv_state;
1961
1962 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1963 "%s: VAP newstate: %s -> %s\n",
1964 device_get_nameunit(sc->dev),
1965 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1966
1967 error = rvap->newstate(vap, nstate, arg);
1968 if (error != 0)
1969 return error;
1970
1971 IEEE80211_UNLOCK(ic);
1972
1973 RT2860_SOFTC_LOCK(sc);
1974
1975 /* turn link LED off */
1976
1977 if (nstate != IEEE80211_S_RUN)
1978 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1979
1980 switch (nstate)
1981 {
1982 case IEEE80211_S_INIT:
1983 rt2860_asic_disable_tsf_sync(sc);
1984 break;
1985
1986 case IEEE80211_S_RUN:
1987 ni = vap->iv_bss;
1988
1989 rt2860_rf_set_chan(sc, ni->ni_chan);
1990
1991 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1992 {
1993 rt2860_asic_enable_mrr(sc);
1994 rt2860_asic_set_txpreamble(sc);
1995 rt2860_asic_set_basicrates(sc);
1996 rt2860_asic_update_txpower(sc);
1997 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1998 }
1999
2000 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2001 vap->iv_opmode == IEEE80211_M_IBSS ||
2002 vap->iv_opmode == IEEE80211_M_MBSS)
2003 {
2004 error = rt2860_asic_update_beacon(sc, vap);
2005 if (error != 0)
2006 break;
2007 }
2008
2009 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2010 rt2860_asic_enable_tsf_sync(sc);
2011
2012 /* turn link LED on */
2013
2014 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2015 {
2016 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2017 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2018 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2019 }
2020 break;
2021
2022 default:
2023 break;
2024 }
2025
2026 RT2860_SOFTC_UNLOCK(sc);
2027
2028 IEEE80211_LOCK(ic);
2029
2030 return error;
2031 }
2032
2033 /*
2034 * rt2860_vap_key_update_begin
2035 */
2036 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2037 {
2038 struct rt2860_softc *sc;
2039 struct ieee80211com *ic;
2040 struct ifnet *ifp;
2041
2042 ic = vap->iv_ic;
2043 ifp = ic->ic_ifp;
2044 sc = ifp->if_softc;
2045
2046 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2047 "%s: VAP key update begin\n",
2048 device_get_nameunit(sc->dev));
2049
2050 taskqueue_block(sc->taskqueue);
2051
2052 IF_LOCK(&ifp->if_snd);
2053 }
2054
2055 /*
2056 * rt2860_vap_key_update_end
2057 */
2058 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2059 {
2060 struct rt2860_softc *sc;
2061 struct ieee80211com *ic;
2062 struct ifnet *ifp;
2063
2064 ic = vap->iv_ic;
2065 ifp = ic->ic_ifp;
2066 sc = ifp->if_softc;
2067
2068 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2069 "%s: VAP key update end\n",
2070 device_get_nameunit(sc->dev));
2071
2072 IF_UNLOCK(&ifp->if_snd);
2073
2074 taskqueue_unblock(sc->taskqueue);
2075 }
2076
2077 /*
2078 * rt2860_vap_key_set
2079 */
2080 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2081 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2082 {
2083 struct rt2860_softc *sc;
2084 struct ieee80211com *ic;
2085 struct ifnet *ifp;
2086 struct ieee80211_node *ni;
2087 uint16_t associd, key_base, keymode_base;
2088 uint8_t mode, vapid, wcid, iv[8];
2089 uint32_t tmp;
2090
2091 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2092 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2093 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2094 return EINVAL;
2095
2096 ic = vap->iv_ic;
2097 ifp = ic->ic_ifp;
2098 sc = ifp->if_softc;
2099
2100 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2101 ni = vap->iv_bss;
2102 else
2103 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2104
2105 associd = (ni != NULL) ? ni->ni_associd : 0;
2106
2107 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2108 ieee80211_free_node(ni);
2109
2110 switch (k->wk_cipher->ic_cipher)
2111 {
2112 case IEEE80211_CIPHER_WEP:
2113 if(k->wk_keylen < 8)
2114 mode = RT2860_REG_CIPHER_MODE_WEP40;
2115 else
2116 mode = RT2860_REG_CIPHER_MODE_WEP104;
2117 break;
2118
2119 case IEEE80211_CIPHER_TKIP:
2120 mode = RT2860_REG_CIPHER_MODE_TKIP;
2121 break;
2122
2123 case IEEE80211_CIPHER_AES_CCM:
2124 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2125 break;
2126
2127 default:
2128 return EINVAL;
2129 }
2130
2131 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2132 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2133 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2134 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2135
2136 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2137 {
2138 /* install pairwise key */
2139
2140 vapid = 0;
2141 wcid = RT2860_AID2WCID(associd);
2142 key_base = RT2860_REG_PKEY(wcid);
2143
2144 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2145 {
2146 memset(iv, 0, 8);
2147
2148 iv[3] = (k->wk_keyix << 6);
2149 }
2150 else
2151 {
2152 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2153 {
2154 iv[0] = (k->wk_keytsc >> 8);
2155 iv[1] = ((iv[0] | 0x20) & 0x7f);
2156 iv[2] = k->wk_keytsc;
2157 }
2158 else
2159 {
2160 /* AES CCMP */
2161
2162 iv[0] = k->wk_keytsc;
2163 iv[1] = k->wk_keytsc >> 8;
2164 iv[2] = 0;
2165 }
2166
2167 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2168 iv[4] = (k->wk_keytsc >> 16);
2169 iv[5] = (k->wk_keytsc >> 24);
2170 iv[6] = (k->wk_keytsc >> 32);
2171 iv[7] = (k->wk_keytsc >> 40);
2172
2173 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2174 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2175 device_get_nameunit(sc->dev),
2176 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2177 }
2178
2179 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2180
2181 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2182 {
2183 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2184
2185 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2186 {
2187 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2188 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2189 }
2190 else
2191 {
2192 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2193 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2194 }
2195 }
2196 else
2197 {
2198 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2199 }
2200
2201 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2202 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2203
2204 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2205 }
2206
2207 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2208 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2209 {
2210 /* install group key */
2211
2212 vapid = 0;
2213 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2214 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2215
2216 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2217 {
2218 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2219
2220 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2221 {
2222 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2223 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2224 }
2225 else
2226 {
2227 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2228 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2229 }
2230 }
2231 else
2232 {
2233 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2234 }
2235
2236 tmp = rt2860_io_mac_read(sc, keymode_base);
2237
2238 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2239 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2240
2241 rt2860_io_mac_write(sc, keymode_base, tmp);
2242 }
2243
2244 return 1;
2245 }
2246
2247 /*
2248 * rt2860_vap_key_delete
2249 */
2250 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2251 const struct ieee80211_key *k)
2252 {
2253 struct rt2860_softc *sc;
2254 struct ieee80211com *ic;
2255 struct ifnet *ifp;
2256 struct ieee80211_node *ni;
2257 uint16_t associd;
2258 uint8_t vapid, wcid;
2259 uint32_t tmp;
2260
2261 ic = vap->iv_ic;
2262 ifp = ic->ic_ifp;
2263 sc = ifp->if_softc;
2264 ni = vap->iv_bss;
2265 associd = (ni != NULL) ? ni->ni_associd : 0;
2266
2267 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2268 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2269 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2270 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2271
2272 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2273 {
2274 /* remove pairwise key */
2275
2276 vapid = 0;
2277 wcid = RT2860_AID2WCID(associd);
2278
2279 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2280 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2281
2282 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2283 }
2284 else
2285 {
2286 /* remove group key */
2287
2288 vapid = 0;
2289
2290 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2291
2292 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2293 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2294
2295 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2296 }
2297
2298 return 1;
2299 }
2300
2301 /*
2302 * rt2860_vap_update_beacon
2303 */
2304 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2305 {
2306 struct rt2860_softc *sc;
2307 struct ieee80211com *ic;
2308 struct ifnet *ifp;
2309
2310 ic = vap->iv_ic;
2311 ifp = ic->ic_ifp;
2312 sc = ifp->if_softc;
2313
2314 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2315 "%s: VAP update beacon\n",
2316 device_get_nameunit(sc->dev));
2317
2318 rt2860_asic_update_beacon(sc, vap);
2319 }
2320
2321 /*
2322 * rt2860_media_change
2323 */
2324 static int rt2860_media_change(struct ifnet *ifp)
2325 {
2326 int error;
2327
2328 error = ieee80211_media_change(ifp);
2329
2330 return (error == ENETRESET ? 0 : error);
2331 }
2332
2333 /*
2334 * rt2860_node_alloc
2335 */
2336 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2337 const uint8_t mac[IEEE80211_ADDR_LEN])
2338 {
2339 return malloc(sizeof(struct rt2860_softc_node),
2340 M_80211_NODE, M_NOWAIT | M_ZERO);
2341 }
2342
2343 /*
2344 * rt2860_setregdomain
2345 */
2346 static int rt2860_setregdomain(struct ieee80211com *ic,
2347 struct ieee80211_regdomain *reg,
2348 int nchans, struct ieee80211_channel chans[])
2349 {
2350 struct rt2860_softc *sc;
2351 struct ifnet *ifp;
2352
2353 ifp = ic->ic_ifp;
2354 sc = ifp->if_softc;
2355
2356 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2357 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2358 device_get_nameunit(sc->dev),
2359 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2360
2361 return 0;
2362 }
2363
2364 /*
2365 * rt2860_getradiocaps
2366 */
2367 static void rt2860_getradiocaps(struct ieee80211com *ic,
2368 int maxchans, int *nchans, struct ieee80211_channel chans[])
2369 {
2370 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2371
2372 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2373 }
2374
2375 /*
2376 * rt2860_scan_start
2377 */
2378 static void rt2860_scan_start(struct ieee80211com *ic)
2379 {
2380 struct rt2860_softc *sc;
2381 struct ifnet *ifp;
2382
2383 ifp = ic->ic_ifp;
2384 sc = ifp->if_softc;
2385
2386 rt2860_asic_disable_tsf_sync(sc);
2387 }
2388
2389 /*
2390 * rt2860_scan_end
2391 */
2392 static void rt2860_scan_end(struct ieee80211com *ic)
2393 {
2394 struct rt2860_softc *sc;
2395 struct ifnet *ifp;
2396
2397 ifp = ic->ic_ifp;
2398 sc = ifp->if_softc;
2399
2400 rt2860_asic_enable_tsf_sync(sc);
2401 }
2402
2403 /*
2404 * rt2860_set_channel
2405 */
2406 static void rt2860_set_channel(struct ieee80211com *ic)
2407 {
2408 struct rt2860_softc *sc;
2409 struct ifnet *ifp;
2410
2411 ifp = ic->ic_ifp;
2412 sc = ifp->if_softc;
2413
2414 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2415 "%s: set channel: channel=%u, HT%s%s\n",
2416 device_get_nameunit(sc->dev),
2417 ieee80211_chan2ieee(ic, ic->ic_curchan),
2418 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2419 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2420 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2421 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2422
2423 RT2860_SOFTC_LOCK(sc);
2424
2425 rt2860_rf_set_chan(sc, ic->ic_curchan);
2426
2427 RT2860_SOFTC_UNLOCK(sc);
2428 }
2429
2430 /*
2431 * rt2860_newassoc
2432 */
2433 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2434 {
2435 struct rt2860_softc *sc;
2436 struct ieee80211com *ic;
2437 struct ifnet *ifp;
2438 struct ieee80211vap *vap;
2439 struct rt2860_softc_vap *rvap;
2440 uint16_t associd;
2441 uint8_t wcid;
2442
2443 vap = ni->ni_vap;
2444 ic = vap->iv_ic;
2445 ifp = ic->ic_ifp;
2446 sc = ifp->if_softc;
2447 rvap = (struct rt2860_softc_vap *) vap;
2448
2449 associd = (ni != NULL) ? ni->ni_associd : 0;
2450 wcid = RT2860_AID2WCID(associd);
2451
2452 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2453 "%s: new association: wcid=0x%02x, "
2454 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2455 device_get_nameunit(sc->dev), wcid,
2456 ether_sprintf(ni->ni_macaddr),
2457 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2458 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2459 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2460
2461 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2462 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2463
2464 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2465
2466 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2467 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2468 device_get_nameunit(sc->dev),
2469 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2470 ni->ni_associd, ni->ni_txrate,
2471 (ni->ni_flags & IEEE80211_NODE_HT) ?
2472 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2473 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2474
2475 rt2860_asic_updateprot(sc);
2476 rt2860_asic_updateslot(sc);
2477 rt2860_asic_set_txpreamble(sc);
2478 }
2479
2480 /*
2481 * rt2860_updateslot
2482 */
2483 static void rt2860_updateslot(struct ifnet *ifp)
2484 {
2485 struct rt2860_softc *sc;
2486
2487 sc = ifp->if_softc;
2488
2489 rt2860_asic_updateslot(sc);
2490 }
2491
2492 /*
2493 * rt2860_update_promisc
2494 */
2495 static void rt2860_update_promisc(struct ifnet *ifp)
2496 {
2497 struct rt2860_softc *sc;
2498
2499 sc = ifp->if_softc;
2500
2501 rt2860_asic_update_promisc(sc);
2502 }
2503
2504 /*
2505 * rt2860_update_mcast
2506 */
2507 static void rt2860_update_mcast(struct ifnet *ifp)
2508 {
2509 struct rt2860_softc *sc;
2510
2511 sc = ifp->if_softc;
2512 }
2513
2514 /*
2515 * rt2860_wme_update
2516 */
2517 static int rt2860_wme_update(struct ieee80211com *ic)
2518 {
2519 struct rt2860_softc *sc;
2520 struct ifnet *ifp;
2521
2522 ifp = ic->ic_ifp;
2523 sc = ifp->if_softc;
2524
2525 rt2860_asic_wme_update(sc);
2526
2527 return 0;
2528 }
2529
2530 /*
2531 * rt2860_raw_xmit
2532 */
2533 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2534 const struct ieee80211_bpf_params *params)
2535 {
2536 struct rt2860_softc *sc;
2537 struct ieee80211com *ic;
2538 struct ifnet *ifp;
2539
2540 ic = ni->ni_ic;
2541 ifp = ic->ic_ifp;
2542 sc = ifp->if_softc;
2543
2544 RT2860_SOFTC_LOCK(sc);
2545
2546 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2547 {
2548 RT2860_SOFTC_UNLOCK(sc);
2549
2550 m_freem(m);
2551 ieee80211_free_node(ni);
2552
2553 return ENETDOWN;
2554 }
2555
2556 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2557 {
2558 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2559 "%s: raw xmit: Tx ring with qid=%d is full\n",
2560 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2561
2562 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2563
2564 RT2860_SOFTC_UNLOCK(sc);
2565
2566 m_freem(m);
2567 ieee80211_free_node(ni);
2568
2569 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2570
2571 return ENOBUFS;
2572 }
2573
2574 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2575 {
2576 ifp->if_oerrors++;
2577
2578 RT2860_SOFTC_UNLOCK(sc);
2579
2580 ieee80211_free_node(ni);
2581
2582 return EIO;
2583 }
2584
2585 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2586
2587 RT2860_SOFTC_UNLOCK(sc);
2588
2589 return 0;
2590 }
2591
2592 /*
2593 * rt2860_recv_action
2594 */
2595 static int rt2860_recv_action(struct ieee80211_node *ni,
2596 const struct ieee80211_frame *wh,
2597 const uint8_t *frm, const uint8_t *efrm)
2598 {
2599 struct rt2860_softc *sc;
2600 struct ieee80211com *ic;
2601 struct ifnet *ifp;
2602 const struct ieee80211_action *ia;
2603 struct ieee80211_tx_ampdu *tx_ampdu;
2604 uint16_t associd, status, baparamset;
2605 uint8_t wcid;
2606 int ret, tid, bufsize, ac;
2607 uint32_t tmp;
2608
2609 ic = ni->ni_ic;
2610 ifp = ic->ic_ifp;
2611 sc = ifp->if_softc;
2612
2613 ia = (const struct ieee80211_action *) frm;
2614
2615 ret = sc->recv_action(ni, wh, frm, efrm);
2616
2617 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2618 return ret;
2619
2620 associd = (ni != NULL) ? ni->ni_associd : 0;
2621 wcid = RT2860_AID2WCID(associd);
2622
2623 switch (ia->ia_action)
2624 {
2625 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2626 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2627 baparamset = LE_READ_2(frm + 3);
2628 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2629 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2630
2631 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2632 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2633 device_get_nameunit(sc->dev), associd, tid, bufsize);
2634
2635 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2636
2637 tmp |= (0x10000 << tid);
2638
2639 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2640 break;
2641
2642 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2643 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2644 status = LE_READ_2(frm + 3);
2645 baparamset = LE_READ_2(frm + 4);
2646 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2647 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2648 ac = TID_TO_WME_AC(tid);
2649 tx_ampdu = &ni->ni_tx_ampdu[ac];
2650
2651 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2652 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2653 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2654
2655 if (sc->mac_rev >= 0x28720200)
2656 {
2657 if (tx_ampdu->txa_wnd > 13)
2658 tx_ampdu->txa_wnd = 13;
2659 }
2660 else
2661 {
2662 if (tx_ampdu->txa_wnd > 7)
2663 tx_ampdu->txa_wnd = 7;
2664 }
2665
2666 if (status == IEEE80211_STATUS_SUCCESS)
2667 {
2668 sc->tx_ampdu_sessions++;
2669
2670 rt2860_asic_updateprot(sc);
2671 }
2672 break;
2673
2674 /* IEEE80211_ACTION_BA_DELBA */
2675 case IEEE80211_ACTION_BA_DELBA:
2676 baparamset = LE_READ_2(frm + 2);
2677 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2678
2679 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2680 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2681 device_get_nameunit(sc->dev), associd, tid);
2682
2683 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2684
2685 tmp &= ~(0x10000 << tid);
2686
2687 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2688 break;
2689 }
2690
2691 return ret;
2692 }
2693
2694 /*
2695 * rt2860_send_action
2696 */
2697 static int rt2860_send_action(struct ieee80211_node *ni,
2698 int cat, int act, void *sa)
2699 {
2700 struct rt2860_softc *sc;
2701 struct ieee80211com *ic;
2702 struct ifnet *ifp;
2703 uint16_t associd, *args, baparamset;
2704 uint8_t wcid;
2705 int ret, tid;
2706 uint32_t tmp;
2707
2708 ic = ni->ni_ic;
2709 ifp = ic->ic_ifp;
2710 sc = ifp->if_softc;
2711
2712 ret = sc->send_action(ni, cat, act, sa);
2713
2714 if (cat != IEEE80211_ACTION_CAT_BA)
2715 return ret;
2716
2717 associd = (ni != NULL) ? ni->ni_associd : 0;
2718 wcid = RT2860_AID2WCID(associd);
2719 args = sa;
2720
2721 switch (act)
2722 {
2723 /* IEEE80211_ACTION_BA_DELBA */
2724 case IEEE80211_ACTION_BA_DELBA:
2725 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2726
2727 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2728
2729 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2730 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2731 device_get_nameunit(sc->dev), associd, tid);
2732
2733 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2734 {
2735 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2736
2737 tmp &= ~(0x10000 << tid);
2738
2739 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2740 }
2741 else
2742 {
2743 sc->tx_ampdu_sessions--;
2744
2745 rt2860_asic_updateprot(sc);
2746 }
2747 break;
2748 }
2749
2750 return ret;
2751 }
2752
2753 /*
2754 * rt2860_amrr_update_iter_func
2755 */
2756 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2757 {
2758 struct rt2860_softc *sc;
2759 struct ieee80211com *ic;
2760 struct ifnet *ifp;
2761 struct ieee80211vap *vap;
2762 struct rt2860_softc_vap *rvap;
2763 uint8_t wcid;
2764
2765 vap = arg;
2766 ic = vap->iv_ic;
2767 ifp = ic->ic_ifp;
2768 sc = ifp->if_softc;
2769 rvap = (struct rt2860_softc_vap *) vap;
2770
2771 /* only associated stations */
2772
2773 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2774 {
2775 wcid = RT2860_AID2WCID(ni->ni_associd);
2776
2777 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2778 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2779 device_get_nameunit(sc->dev),
2780 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2781
2782 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2783
2784 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2785 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2786 device_get_nameunit(sc->dev),
2787 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2788 ni->ni_associd, ni->ni_txrate,
2789 (ni->ni_flags & IEEE80211_NODE_HT) ?
2790 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2791 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2792 }
2793 }
2794
2795 /*
2796 * rt2860_periodic
2797 */
2798 static void rt2860_periodic(void *arg)
2799 {
2800 struct rt2860_softc *sc;
2801
2802 sc = arg;
2803
2804 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2805 "%s: periodic\n",
2806 device_get_nameunit(sc->dev));
2807
2808 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2809 }
2810
2811 /*
2812 * rt2860_tx_watchdog
2813 */
2814 static void rt2860_tx_watchdog(void *arg)
2815 {
2816 struct rt2860_softc *sc;
2817 struct ifnet *ifp;
2818
2819 sc = arg;
2820 ifp = sc->ifp;
2821
2822 if (sc->tx_timer == 0)
2823 return;
2824
2825 if (--sc->tx_timer == 0)
2826 {
2827 printf("%s: Tx watchdog timeout: resetting\n",
2828 device_get_nameunit(sc->dev));
2829
2830 rt2860_stop_locked(sc);
2831 rt2860_init_locked(sc);
2832
2833 ifp->if_oerrors++;
2834
2835 sc->tx_watchdog_timeouts++;
2836 }
2837
2838 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2839 }
2840
2841 /*
2842 * rt2860_asic_set_bssid
2843 */
2844 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2845 const uint8_t *bssid)
2846 {
2847 uint32_t tmp;
2848
2849 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2850 "%s: set bssid: bssid=%s\n",
2851 device_get_nameunit(sc->dev),
2852 ether_sprintf(bssid));
2853
2854 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2855
2856 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2857
2858 tmp = bssid[4] | (bssid[5] << 8);
2859
2860 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2861 }
2862
2863 /*
2864 * rt2860_asic_set_macaddr
2865 */
2866 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2867 const uint8_t *addr)
2868 {
2869 uint32_t tmp;
2870
2871 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2872
2873 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2874
2875 tmp = addr[4] | (addr[5] << 8);
2876
2877 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2878 }
2879
2880 /*
2881 * rt2860_asic_enable_tsf_sync
2882 */
2883 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2884 {
2885 struct ifnet *ifp;
2886 struct ieee80211com *ic;
2887 struct ieee80211vap *vap;
2888 uint32_t tmp;
2889
2890 ifp = sc->ifp;
2891 ic = ifp->if_l2com;
2892 vap = TAILQ_FIRST(&ic->ic_vaps);
2893
2894 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2895 "%s: enabling TSF\n",
2896 device_get_nameunit(sc->dev));
2897
2898 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2899
2900 tmp &= ~0x1fffff;
2901 tmp |= vap->iv_bss->ni_intval * 16;
2902 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2903
2904 if (vap->iv_opmode == IEEE80211_M_STA)
2905 {
2906 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2907 }
2908 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2909 {
2910 tmp |= RT2860_REG_BCN_TX_ENABLE;
2911 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2912 }
2913 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2914 {
2915 tmp |= RT2860_REG_BCN_TX_ENABLE;
2916 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2917 }
2918
2919 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2920 }
2921
2922 /*
2923 * rt2860_asic_disable_tsf_sync
2924 */
2925 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2926 {
2927 uint32_t tmp;
2928
2929 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2930 "%s: disabling TSF\n",
2931 device_get_nameunit(sc->dev));
2932
2933 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2934
2935 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2936 RT2860_REG_TSF_TIMER_ENABLE |
2937 RT2860_REG_TBTT_TIMER_ENABLE);
2938
2939 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2940 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2941
2942 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2943 }
2944
2945 /*
2946 * rt2860_asic_enable_mrr
2947 */
2948 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2949 {
2950 #define CCK(mcs) (mcs)
2951 #define OFDM(mcs) ((1 << 3) | (mcs))
2952 #define HT(mcs) (mcs)
2953
2954 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2955 (OFDM(6) << 28) | /* 54 -> 48 */
2956 (OFDM(5) << 24) | /* 48 -> 36 */
2957 (OFDM(4) << 20) | /* 36 -> 24 */
2958 (OFDM(3) << 16) | /* 24 -> 18 */
2959 (OFDM(2) << 12) | /* 18 -> 12 */
2960 (OFDM(1) << 8) | /* 12 -> 9 */
2961 (OFDM(0) << 4) | /* 9 -> 6 */
2962 OFDM(0)); /* 6 -> 6 */
2963
2964 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2965 (CCK(2) << 12) | /* 11 -> 5.5 */
2966 (CCK(1) << 8) | /* 5.5 -> 2 */
2967 (CCK(0) << 4) | /* 2 -> 1 */
2968 CCK(0)); /* 1 -> 1 */
2969
2970 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2971 (HT(6) << 28) |
2972 (HT(5) << 24) |
2973 (HT(4) << 20) |
2974 (HT(3) << 16) |
2975 (HT(2) << 12) |
2976 (HT(1) << 8) |
2977 (HT(0) << 4) |
2978 HT(0));
2979
2980 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2981 (HT(14) << 28) |
2982 (HT(13) << 24) |
2983 (HT(12) << 20) |
2984 (HT(11) << 16) |
2985 (HT(10) << 12) |
2986 (HT(9) << 8) |
2987 (HT(8) << 4) |
2988 HT(7));
2989
2990 #undef HT
2991 #undef OFDM
2992 #undef CCK
2993 }
2994
2995 /*
2996 * rt2860_asic_set_txpreamble
2997 */
2998 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2999 {
3000 struct ifnet *ifp;
3001 struct ieee80211com *ic;
3002 uint32_t tmp;
3003
3004 ifp = sc->ifp;
3005 ic = ifp->if_l2com;
3006
3007 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3008 "%s: %s short Tx preamble\n",
3009 device_get_nameunit(sc->dev),
3010 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3011
3012 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3013
3014 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3015
3016 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3017 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3018
3019 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3020 }
3021
3022 /*
3023 * rt2860_asic_set_basicrates
3024 */
3025 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3026 {
3027 struct ifnet *ifp;
3028 struct ieee80211com *ic;
3029
3030 ifp = sc->ifp;
3031 ic = ifp->if_l2com;
3032
3033 if (ic->ic_curmode == IEEE80211_MODE_11B)
3034 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3035 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3036 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3037 else
3038 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3039 }
3040
3041 /*
3042 * rt2860_asic_update_rtsthreshold
3043 */
3044 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3045 {
3046 struct ifnet *ifp;
3047 struct ieee80211com *ic;
3048 struct ieee80211vap *vap;
3049 uint32_t tmp;
3050 uint16_t threshold;
3051
3052 ifp = sc->ifp;
3053 ic = ifp->if_l2com;
3054 vap = TAILQ_FIRST(&ic->ic_vaps);
3055
3056 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3057 "%s: updating RTS threshold: %d\n",
3058 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3059
3060 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3061
3062 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3063
3064 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3065 threshold = 0x1000;
3066 else
3067 threshold = vap->iv_rtsthreshold;
3068
3069 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3070 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3071
3072 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3073 }
3074
3075 /*
3076 * rt2860_asic_update_txpower
3077 */
3078 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3079 {
3080 struct ifnet *ifp;
3081 struct ieee80211com *ic;
3082 uint32_t *txpow_rate;
3083 int8_t delta;
3084 uint8_t val;
3085 uint32_t tmp;
3086 int i;
3087
3088 ifp = sc->ifp;
3089 ic = ifp->if_l2com;
3090
3091 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3092 "%s: updating Tx power: %d\n",
3093 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3094
3095 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3096 {
3097 txpow_rate = sc->txpow_rate_20mhz;
3098 }
3099 else
3100 {
3101 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3102 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3103 else
3104 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3105 }
3106
3107 delta = 0;
3108
3109 val = rt2860_io_bbp_read(sc, 1);
3110 val &= 0xfc;
3111
3112 if (ic->ic_txpowlimit > 90)
3113 {
3114 /* do nothing */
3115 }
3116 else if (ic->ic_txpowlimit > 60)
3117 {
3118 delta -= 1;
3119 }
3120 else if (ic->ic_txpowlimit > 30)
3121 {
3122 delta -= 3;
3123 }
3124 else if (ic->ic_txpowlimit > 15)
3125 {
3126 val |= 0x1;
3127 }
3128 else if (ic->ic_txpowlimit > 9)
3129 {
3130 val |= 0x1;
3131 delta -= 3;
3132 }
3133 else
3134 {
3135 val |= 0x2;
3136 }
3137
3138 rt2860_io_bbp_write(sc, 1, val);
3139
3140 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3141 {
3142 if (txpow_rate[i] == 0xffffffff)
3143 continue;
3144
3145 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3146
3147 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3148 }
3149 }
3150
3151 /*
3152 * rt2860_asic_update_promisc
3153 */
3154 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3155 {
3156 struct ifnet *ifp;
3157 uint32_t tmp;
3158
3159 ifp = sc->ifp;
3160
3161 printf("%s: %s promiscuous mode\n",
3162 device_get_nameunit(sc->dev),
3163 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3164
3165 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3166
3167 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3168
3169 if (!(ifp->if_flags & IFF_PROMISC))
3170 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3171
3172 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3173 }
3174
3175 /*
3176 * rt2860_asic_updateprot
3177 */
3178 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3179 {
3180 struct ifnet *ifp;
3181 struct ieee80211com *ic;
3182 struct ieee80211vap *vap;
3183 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3184 uint8_t htopmode;
3185 enum ieee80211_protmode htprotmode;
3186
3187 ifp = sc->ifp;
3188 ic = ifp->if_l2com;
3189 vap = TAILQ_FIRST(&ic->ic_vaps);
3190
3191 /* CCK frame protection */
3192
3193 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3194 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3195
3196 /* set up protection frame phy mode and rate (MCS code) */
3197
3198 if (ic->ic_curmode == IEEE80211_MODE_11A)
3199 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3200 (0 << RT2860_REG_PROT_MCS_SHIFT);
3201 else
3202 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3203 (3 << RT2860_REG_PROT_MCS_SHIFT));
3204
3205 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3206
3207 /* OFDM frame protection */
3208
3209 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3210 RT2860_REG_TXOP_ALLOW_ALL;
3211
3212 if (ic->ic_flags & IEEE80211_F_USEPROT)
3213 {
3214 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3215 "%s: updating protection mode: b/g protection mode=%s\n",
3216 device_get_nameunit(sc->dev),
3217 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3218 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3219
3220 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3221 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3222 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3223 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3224 else
3225 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3226 }
3227 else
3228 {
3229 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3230 "%s: updating protection mode: b/g protection mode=%s\n",
3231 device_get_nameunit(sc->dev), "none");
3232
3233 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3234 }
3235
3236 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3237
3238 /* HT frame protection */
3239
3240 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3241 htopmode = vap->iv_bss->ni_htopmode;
3242 else
3243 htopmode = ic->ic_curhtprotmode;
3244
3245 htprotmode = ic->ic_htprotmode;
3246
3247 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3248
3249 if (sc->tx_ampdu_sessions > 0)
3250 {
3251 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3252 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3253 device_get_nameunit(sc->dev));
3254
3255 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3256 htprotmode = IEEE80211_PROT_RTSCTS;
3257 }
3258
3259 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3260 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3261 device_get_nameunit(sc->dev),
3262 htopmode & IEEE80211_HTINFO_OPMODE,
3263 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3264 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3265
3266 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3267 {
3268 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3269 case IEEE80211_HTINFO_OPMODE_HT20PR:
3270 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3271 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3272 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3273 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3274 (4 << RT2860_REG_PROT_MCS_SHIFT);
3275
3276 gf20_prot = mm20_prot;
3277
3278 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3279 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3280 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3281
3282 if (htprotmode == IEEE80211_PROT_RTSCTS)
3283 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3284 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3285 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3286 else
3287 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3288
3289 gf40_prot = mm40_prot;
3290 break;
3291
3292 /* IEEE80211_HTINFO_OPMODE_MIXED */
3293 case IEEE80211_HTINFO_OPMODE_MIXED:
3294 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3295 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3296 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3297
3298 if (ic->ic_flags & IEEE80211_F_USEPROT)
3299 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3300 (3 << RT2860_REG_PROT_MCS_SHIFT);
3301 else
3302 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3303 (4 << RT2860_REG_PROT_MCS_SHIFT);
3304
3305 if (htprotmode == IEEE80211_PROT_RTSCTS)
3306 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3307 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3308 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3309 else
3310 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3311
3312 gf20_prot = mm20_prot;
3313
3314 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3315
3316 if (ic->ic_flags & IEEE80211_F_USEPROT)
3317 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3318 (3 << RT2860_REG_PROT_MCS_SHIFT);
3319 else
3320 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3321 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3322
3323 if (htprotmode == IEEE80211_PROT_RTSCTS)
3324 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3325 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3326 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3327 else
3328 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3329
3330 gf40_prot = mm40_prot;
3331 break;
3332
3333 /*
3334 * IEEE80211_HTINFO_OPMODE_PURE
3335 * IEEE80211_HTINFO_OPMODE_PROTOPT
3336 */
3337 case IEEE80211_HTINFO_OPMODE_PURE:
3338 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3339 default:
3340 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3341 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3342 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3343 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3344 (4 << RT2860_REG_PROT_MCS_SHIFT);
3345
3346 gf20_prot = mm20_prot;
3347
3348 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3349 RT2860_REG_TXOP_ALLOW_ALL |
3350 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3351 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3352
3353 gf40_prot = mm40_prot;
3354 break;
3355 }
3356
3357 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3358 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3359 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3360 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3361 }
3362
3363 /*
3364 * rt2860_asic_updateslot
3365 */
3366 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3367 {
3368 struct ifnet *ifp;
3369 struct ieee80211com *ic;
3370 uint32_t tmp;
3371
3372 ifp = sc->ifp;
3373 ic = ifp->if_l2com;
3374
3375 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3376 "%s: %s short slot time\n",
3377 device_get_nameunit(sc->dev),
3378 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3379
3380 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3381
3382 tmp &= ~0xff;
3383 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3384
3385 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3386 }
3387
3388 /*
3389 * rt2860_asic_wme_update
3390 */
3391 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3392 {
3393 struct ifnet *ifp;
3394 struct ieee80211com *ic;
3395 struct ieee80211_wme_state *wme;
3396 const struct wmeParams *wmep;
3397 int i;
3398
3399 ifp = sc->ifp;
3400 ic = ifp->if_l2com;
3401 wme = &ic->ic_wme;
3402 wmep = wme->wme_chanParams.cap_wmeParams;
3403
3404 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3405 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3406 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3407 device_get_nameunit(sc->dev),
3408 wmep[WME_AC_VO].wmep_aifsn,
3409 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3410 wmep[WME_AC_VO].wmep_txopLimit,
3411 wmep[WME_AC_VI].wmep_aifsn,
3412 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3413 wmep[WME_AC_VI].wmep_txopLimit,
3414 wmep[WME_AC_BK].wmep_aifsn,
3415 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3416 wmep[WME_AC_BK].wmep_txopLimit,
3417 wmep[WME_AC_BE].wmep_aifsn,
3418 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3419 wmep[WME_AC_BE].wmep_txopLimit);
3420
3421 for (i = 0; i < WME_NUM_AC; i++)
3422 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3423 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3424 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3425
3426 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3427 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3428 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3429
3430 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3431 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3432 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3433
3434 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3435 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3436 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3437
3438 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3439 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3440
3441 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3442 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3443 }
3444
3445 /*
3446 * rt2860_asic_update_beacon
3447 */
3448 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3449 struct ieee80211vap *vap)
3450 {
3451 struct ifnet *ifp;
3452 struct ieee80211com *ic;
3453 struct rt2860_softc_vap *rvap;
3454 const struct ieee80211_txparam *tp;
3455 struct mbuf *m;
3456 struct rt2860_txwi txwi;
3457 uint8_t rate, mcs;
3458 uint32_t tmp;
3459
3460 ifp = sc->ifp;
3461 ic = ifp->if_l2com;
3462 rvap = (struct rt2860_softc_vap *) vap;
3463 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3464
3465 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3466 if (m == NULL)
3467 return ENOMEM;
3468
3469 rate = tp->mgmtrate;
3470 mcs = rt2860_rate2mcs(rate);
3471
3472 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3473
3474 txwi.wcid = 0xff;
3475 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3476 RT2860_TXWI_MPDU_LEN_SHIFT);
3477 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3478 txwi.mpdu_density_flags |=
3479 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3480 txwi.bawin_size_xflags |=
3481 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3482
3483 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3484 {
3485 txwi.phymode_ifs_stbc_shortgi =
3486 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3487
3488 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3489 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3490 }
3491 else
3492 {
3493 txwi.phymode_ifs_stbc_shortgi =
3494 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3495 }
3496
3497 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3498 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3499
3500 /* disable temporarily TSF sync */
3501
3502 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3503
3504 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3505 RT2860_REG_TSF_TIMER_ENABLE |
3506 RT2860_REG_TBTT_TIMER_ENABLE);
3507
3508 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3509
3510 /* write Tx wireless info and beacon frame to on-chip memory */
3511
3512 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3513 &txwi, sizeof(struct rt2860_txwi));
3514
3515 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3516 mtod(m, uint8_t *), m->m_pkthdr.len);
3517
3518 /* enable again TSF sync */
3519
3520 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3521
3522 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3523 RT2860_REG_TSF_TIMER_ENABLE |
3524 RT2860_REG_TBTT_TIMER_ENABLE);
3525
3526 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3527
3528 m_freem(m);
3529
3530 return 0;
3531 }
3532
3533 /*
3534 * rt2860_asic_clear_keytables
3535 */
3536 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3537 {
3538 int i;
3539
3540 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3541
3542 for (i = 0; i < 256; i++)
3543 {
3544 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3545 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3546 }
3547
3548 /* clear WCID attribute table (entries = 256, entry size = 4) */
3549
3550 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3551
3552 /* clear IV/EIV table (entries = 256, entry size = 8) */
3553
3554 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3555
3556 /* clear pairwise key table (entries = 256, entry size = 32) */
3557
3558 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3559
3560 /* clear shared key table (entries = 32, entry size = 32) */
3561
3562 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3563
3564 /* clear shared key mode (entries = 32, entry size = 2) */
3565
3566 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3567 }
3568
3569 /*
3570 * rt2860_rxrate
3571 */
3572 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3573 {
3574 uint8_t mcs, phymode;
3575 uint8_t rate;
3576
3577 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3578 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3579 RT2860_RXWI_PHYMODE_MASK;
3580
3581 rate = 2;
3582
3583 switch (phymode)
3584 {
3585 case RT2860_RXWI_PHYMODE_CCK:
3586 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3587 {
3588 case 0: rate = 2; break; /* 1 Mbps */
3589 case 1: rate = 4; break; /* 2 MBps */
3590 case 2: rate = 11; break; /* 5.5 Mbps */
3591 case 3: rate = 22; break; /* 11 Mbps */
3592 }
3593 break;
3594
3595 case RT2860_RXWI_PHYMODE_OFDM:
3596 switch (mcs)
3597 {
3598 case 0: rate = 12; break; /* 6 Mbps */
3599 case 1: rate = 18; break; /* 9 Mbps */
3600 case 2: rate = 24; break; /* 12 Mbps */
3601 case 3: rate = 36; break; /* 18 Mbps */
3602 case 4: rate = 48; break; /* 24 Mbps */
3603 case 5: rate = 72; break; /* 36 Mbps */
3604 case 6: rate = 96; break; /* 48 Mbps */
3605 case 7: rate = 108; break; /* 54 Mbps */
3606 }
3607 break;
3608
3609 case RT2860_RXWI_PHYMODE_HT_MIXED:
3610 case RT2860_RXWI_PHYMODE_HT_GF:
3611 break;
3612 }
3613
3614 return rate;
3615 }
3616
3617 /*
3618 * rt2860_maxrssi_rxpath
3619 */
3620 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3621 const struct rt2860_rxwi *rxwi)
3622 {
3623 uint8_t rxpath;
3624
3625 rxpath = 0;
3626
3627 if (sc->nrxpath > 1)
3628 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3629 rxpath = 1;
3630
3631 if (sc->nrxpath > 2)
3632 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3633 rxpath = 2;
3634
3635 return rxpath;
3636 }
3637
3638 /*
3639 * rt2860_rssi2dbm
3640 */
3641 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3642 uint8_t rssi, uint8_t rxpath)
3643 {
3644 struct ifnet *ifp;
3645 struct ieee80211com *ic;
3646 struct ieee80211_channel *c;
3647 int chan;
3648 int8_t rssi_off, lna_gain;
3649
3650 if (rssi == 0)
3651 return -99;
3652
3653 ifp = sc->ifp;
3654 ic = ifp->if_l2com;
3655 c = ic->ic_curchan;
3656 chan = ieee80211_chan2ieee(ic, c);
3657
3658 if (IEEE80211_IS_CHAN_5GHZ(c))
3659 {
3660 rssi_off = sc->rssi_off_5ghz[rxpath];
3661
3662 if (chan <= 64)
3663 lna_gain = sc->lna_gain[1];
3664 else if (chan <= 128)
3665 lna_gain = sc->lna_gain[2];
3666 else
3667 lna_gain = sc->lna_gain[3];
3668 }
3669 else
3670 {
3671 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3672 lna_gain = sc->lna_gain[0];
3673 }
3674
3675 return (-12 - rssi_off - lna_gain - rssi);
3676 }
3677
3678 /*
3679 * rt2860_rate2mcs
3680 */
3681 static uint8_t rt2860_rate2mcs(uint8_t rate)
3682 {
3683 switch (rate)
3684 {
3685 /* CCK rates */
3686 case 2: return 0;
3687 case 4: return 1;
3688 case 11: return 2;
3689 case 22: return 3;
3690
3691 /* OFDM rates */
3692 case 12: return 0;
3693 case 18: return 1;
3694 case 24: return 2;
3695 case 36: return 3;
3696 case 48: return 4;
3697 case 72: return 5;
3698 case 96: return 6;
3699 case 108: return 7;
3700 }
3701
3702 return 0;
3703 }
3704
3705 /*
3706 * rt2860_tx_mgmt
3707 */
3708 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3709 struct mbuf *m, struct ieee80211_node *ni, int qid)
3710 {
3711 struct ifnet *ifp;
3712 struct ieee80211com *ic;
3713 struct ieee80211vap *vap;
3714 const struct ieee80211_txparam *tp;
3715 struct rt2860_softc_node *rni;
3716 struct rt2860_softc_tx_ring *ring;
3717 struct rt2860_softc_tx_data *data;
3718 struct rt2860_txdesc *desc;
3719 struct rt2860_txwi *txwi;
3720 struct ieee80211_frame *wh;
3721 struct rt2860_softc_tx_radiotap_header *tap;
3722 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3723 u_int hdrsize, hdrspace;
3724 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3725 uint16_t len, dmalen, mpdu_len, dur;
3726 int error, ndmasegs, ndescs, i, j;
3727
3728 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3729 ("%s: Tx MGMT: invalid qid=%d\n",
3730 device_get_nameunit(sc->dev), qid));
3731
3732 ifp = sc->ifp;
3733 ic = ifp->if_l2com;
3734 vap = ni->ni_vap;
3735 rni = (struct rt2860_softc_node *) ni;
3736 tp = ni->ni_txparms;
3737
3738 ring = &sc->tx_ring[qid];
3739 desc = &ring->desc[ring->desc_cur];
3740 data = &ring->data[ring->data_cur];
3741 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3742
3743 wh = mtod(m, struct ieee80211_frame *);
3744
3745 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3746
3747 /* fill Tx wireless info */
3748
3749 if (ni->ni_flags & IEEE80211_NODE_HT)
3750 mcs = rate;
3751 else
3752 mcs = rt2860_rate2mcs(rate);
3753
3754 pid = mcs;
3755
3756 /* calculate MPDU length without padding */
3757
3758 hdrsize = ieee80211_hdrsize(wh);
3759 hdrspace = ieee80211_hdrspace(ic, wh);
3760 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3761
3762 memset(txwi, 0, sizeof(struct rt2860_txwi));
3763
3764 /* management frames do not need encryption */
3765
3766 txwi->wcid = 0xff;
3767
3768 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3769 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3770 RT2860_TXWI_MPDU_LEN_SHIFT);
3771
3772 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3773
3774 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3775 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
3776
3777 txwi->phymode_ifs_stbc_shortgi |=
3778 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3779 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3780
3781 if (ni->ni_flags & IEEE80211_NODE_HT)
3782 {
3783 txwi->phymode_ifs_stbc_shortgi |=
3784 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3785 }
3786 else
3787 {
3788 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3789 {
3790 txwi->phymode_ifs_stbc_shortgi |=
3791 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3792
3793 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3794 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3795 }
3796 else
3797 {
3798 txwi->phymode_ifs_stbc_shortgi |=
3799 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3800 }
3801 }
3802
3803 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3804 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3805
3806 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3807
3808 /* skip ACKs for multicast frames and probe responses */
3809
3810 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3811 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3812 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3813 {
3814 txwi->bawin_size_xflags |=
3815 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3816
3817 if (ni->ni_flags & IEEE80211_NODE_HT)
3818 {
3819 /* preamble + plcp + signal extension + SIFS */
3820
3821 dur = 16 + 4 + 6 + 10;
3822 }
3823 else
3824 {
3825 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3826 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3827 }
3828
3829 *(uint16_t *) wh->i_dur = htole16(dur);
3830 }
3831
3832 /* ask MAC to insert timestamp into probe responses */
3833
3834 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3835 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3836 txwi->mpdu_density_flags |=
3837 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3838
3839 if (ieee80211_radiotap_active_vap(vap))
3840 {
3841 tap = &sc->txtap;
3842
3843 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3844 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3845 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3846 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3847 tap->chan_maxpow = 0;
3848
3849 if (ni->ni_flags & IEEE80211_NODE_HT)
3850 tap->rate = mcs | IEEE80211_RATE_MCS;
3851 else
3852 tap->rate = rate;
3853
3854 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3855 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3856
3857 if (shortgi)
3858 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3859
3860 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3861 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3862
3863 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3864 {
3865 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3866
3867 ieee80211_radiotap_tx(vap, m);
3868
3869 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3870 }
3871 else
3872 {
3873 ieee80211_radiotap_tx(vap, m);
3874 }
3875 }
3876
3877 /* copy and trim 802.11 header */
3878
3879 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3880 m_adj(m, hdrspace);
3881
3882 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3883 dma_seg, &ndmasegs, 0);
3884 if (error != 0)
3885 {
3886 /* too many fragments, linearize */
3887
3888 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3889 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
3890 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3891
3892 m = m_defrag(m, M_DONTWAIT);
3893 if (m == NULL)
3894 return ENOMEM;
3895
3896 sc->tx_defrag_packets++;
3897
3898 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3899 dma_seg, &ndmasegs, 0);
3900 if (error != 0)
3901 {
3902 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
3903 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3904 m_freem(m);
3905 return error;
3906 }
3907 }
3908
3909 if (m->m_pkthdr.len == 0)
3910 ndmasegs = 0;
3911
3912 /* determine how many Tx descs are required */
3913
3914 ndescs = 1 + ndmasegs / 2;
3915 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3916 {
3917 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3918 "%s: there are not enough Tx descs\n",
3919 device_get_nameunit(sc->dev));
3920
3921 sc->no_tx_desc_avail++;
3922
3923 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3924 m_freem(m);
3925 return EFBIG;
3926 }
3927
3928 data->m = m;
3929 data->ni = ni;
3930
3931 /* set up Tx descs */
3932
3933 /* first segment is Tx wireless info and 802.11 header */
3934
3935 len = sizeof(struct rt2860_txwi) + hdrsize;
3936
3937 /* align end on a 4-bytes boundary */
3938
3939 dmalen = (len + 3) & ~ 3;
3940
3941 memset((caddr_t) txwi + len, 0, dmalen - len);
3942
3943 qsel = RT2860_TXDESC_QSEL_EDCA;
3944
3945 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3946 desc->sdl0 = htole16(dmalen);
3947 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3948
3949 /* set up payload segments */
3950
3951 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3952 {
3953 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3954 desc->sdl1 = htole16(dma_seg[j].ds_len);
3955
3956 ring->desc_queued++;
3957 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3958
3959 j++;
3960
3961 desc = &ring->desc[ring->desc_cur];
3962
3963 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3964 desc->sdl0 = htole16(dma_seg[j].ds_len);
3965 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3966
3967 j++;
3968 }
3969
3970 /* finalize last payload segment */
3971
3972 if (i > 0)
3973 {
3974 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3975 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3976 }
3977 else
3978 {
3979 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3980 desc->sdl1 = 0;
3981 }
3982
3983 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3984 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3985 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3986 device_get_nameunit(sc->dev),
3987 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3988 stbc, shortgi, mcs, dmalen, ndmasegs,
3989 (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);
3990
3991 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3992 BUS_DMASYNC_PREWRITE);
3993 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3994 BUS_DMASYNC_PREWRITE);
3995 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3996 BUS_DMASYNC_PREWRITE);
3997
3998 ring->desc_queued++;
3999 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4000
4001 ring->data_queued++;
4002 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4003
4004 /* kick Tx */
4005
4006 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4007
4008 return 0;
4009 }
4010
4011 /*
4012 * rt2860_tx_data
4013 */
4014 static int rt2860_tx_data(struct rt2860_softc *sc,
4015 struct mbuf *m, struct ieee80211_node *ni, int qid)
4016 {
4017 struct ifnet *ifp;
4018 struct ieee80211com *ic;
4019 struct ieee80211vap *vap;
4020 const struct ieee80211_txparam *tp;
4021 struct rt2860_softc_node *rni;
4022 struct rt2860_softc_tx_ring *ring;
4023 struct rt2860_softc_tx_data *data;
4024 struct rt2860_txdesc *desc;
4025 struct rt2860_txwi *txwi;
4026 struct ieee80211_frame *wh;
4027 struct ieee80211_tx_ampdu *tx_ampdu;
4028 ieee80211_seq seqno;
4029 struct rt2860_softc_tx_radiotap_header *tap;
4030 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4031 u_int hdrsize, hdrspace;
4032 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4033 uint16_t qos, len, dmalen, mpdu_len, dur;
4034 int error, hasqos, ac, tid, ampdu, ndmasegs, ndescs, i, j;
4035
4036 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4037 ("%s: Tx data: invalid qid=%d\n",
4038 device_get_nameunit(sc->dev), qid));
4039
4040 ifp = sc->ifp;
4041 ic = ifp->if_l2com;
4042 vap = ni->ni_vap;
4043 rni = (struct rt2860_softc_node *) ni;
4044 tp = ni->ni_txparms;
4045
4046 ring = &sc->tx_ring[qid];
4047 desc = &ring->desc[ring->desc_cur];
4048 data = &ring->data[ring->data_cur];
4049 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4050
4051 wh = mtod(m, struct ieee80211_frame *);
4052
4053 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4054
4055 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4056 if (hasqos)
4057 {
4058 if (IEEE80211_HAS_ADDR4(wh))
4059 qos = le16toh(*(const uint16_t *)
4060 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4061 else
4062 qos = le16toh(*(const uint16_t *)
4063 (((struct ieee80211_qosframe *) wh)->i_qos));
4064 }
4065 else
4066 {
4067 qos = 0;
4068 }
4069
4070 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4071 rate = tp->mcastrate;
4072 else if (m->m_flags & M_EAPOL)
4073 rate = tp->mgmtrate;
4074 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4075 rate = tp->ucastrate;
4076 else
4077 rate = ni->ni_txrate;
4078
4079 rate &= IEEE80211_RATE_VAL;
4080
4081 /* fill Tx wireless info */
4082
4083 if (ni->ni_flags & IEEE80211_NODE_HT)
4084 mcs = rate;
4085 else
4086 mcs = rt2860_rate2mcs(rate);
4087
4088 pid = mcs;
4089
4090 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4091 RT2860_AID2WCID(ni->ni_associd) : 0xff;
4092
4093 /* calculate MPDU length without padding */
4094
4095 hdrsize = ieee80211_hdrsize(wh);
4096 hdrspace = ieee80211_hdrspace(ic, wh);
4097 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4098
4099 memset(txwi, 0, sizeof(struct rt2860_txwi));
4100
4101 txwi->wcid = wcid;
4102
4103 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4104 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4105 RT2860_TXWI_MPDU_LEN_SHIFT);
4106
4107 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4108
4109 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4110 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4111
4112 txwi->phymode_ifs_stbc_shortgi |=
4113 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4114 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4115
4116 if (ni->ni_flags & IEEE80211_NODE_HT)
4117 {
4118 txwi->phymode_ifs_stbc_shortgi |=
4119 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4120 }
4121 else
4122 {
4123 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4124 {
4125 txwi->phymode_ifs_stbc_shortgi |=
4126 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4127
4128 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4129 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4130 }
4131 else
4132 {
4133 txwi->phymode_ifs_stbc_shortgi |=
4134 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4135 }
4136 }
4137
4138 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4139 bw = RT2860_TXWI_BW_40;
4140 else
4141 bw = RT2860_TXWI_BW_20;
4142
4143 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4144 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4145
4146 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4147
4148 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4149 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4150 {
4151 txwi->bawin_size_xflags |=
4152 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4153
4154 if (ni->ni_flags & IEEE80211_NODE_HT)
4155 {
4156 /* preamble + plcp + signal extension + SIFS */
4157
4158 dur = 16 + 4 + 6 + 10;
4159 }
4160 else
4161 {
4162 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4163 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4164 }
4165
4166 *(uint16_t *) wh->i_dur = htole16(dur);
4167 }
4168
4169 /* check for A-MPDU */
4170
4171 if (m->m_flags & M_AMPDU_MPDU)
4172 {
4173 ac = M_WME_GETAC(m);
4174 tid = WME_AC_TO_TID(ac);
4175 tx_ampdu = &ni->ni_tx_ampdu[ac];
4176
4177 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4178 bawin_size = tx_ampdu->txa_wnd;
4179
4180 txwi->mpdu_density_flags |=
4181 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4182 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4183
4184 txwi->bawin_size_xflags |=
4185 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4186
4187 seqno = ni->ni_txseqs[tid]++;
4188
4189 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4190
4191 ampdu = 1;
4192 }
4193 else
4194 {
4195 ampdu = 0;
4196 }
4197
4198 /* ask MAC to insert timestamp into probe responses */
4199
4200 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4201 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4202 txwi->mpdu_density_flags |=
4203 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4204
4205 if (ieee80211_radiotap_active_vap(vap))
4206 {
4207 tap = &sc->txtap;
4208
4209 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4210 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4211 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4212 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4213 tap->chan_maxpow = 0;
4214
4215 if (ni->ni_flags & IEEE80211_NODE_HT)
4216 tap->rate = mcs | IEEE80211_RATE_MCS;
4217 else
4218 tap->rate = rate;
4219
4220 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4221 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4222
4223 if (shortgi)
4224 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4225
4226 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4227 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4228
4229 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4230 {
4231 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4232
4233 ieee80211_radiotap_tx(vap, m);
4234
4235 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4236 }
4237 else
4238 {
4239 ieee80211_radiotap_tx(vap, m);
4240 }
4241 }
4242
4243 /* copy and trim 802.11 header */
4244
4245 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4246 m_adj(m, hdrspace);
4247
4248 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4249 dma_seg, &ndmasegs, 0);
4250 if (error != 0)
4251 {
4252 /* too many fragments, linearize */
4253
4254 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4255 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4256 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4257
4258 m = m_defrag(m, M_DONTWAIT);
4259 if (m == NULL)
4260 return ENOMEM;
4261
4262 sc->tx_defrag_packets++;
4263
4264 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4265 dma_seg, &ndmasegs, 0);
4266 if (error != 0)
4267 {
4268 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4269 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4270 m_freem(m);
4271 return error;
4272 }
4273 }
4274
4275 if (m->m_pkthdr.len == 0)
4276 ndmasegs = 0;
4277
4278 /* determine how many Tx descs are required */
4279
4280 ndescs = 1 + ndmasegs / 2;
4281 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4282 {
4283 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4284 "%s: there are not enough Tx descs\n",
4285 device_get_nameunit(sc->dev));
4286
4287 sc->no_tx_desc_avail++;
4288
4289 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4290 m_freem(m);
4291 return EFBIG;
4292 }
4293
4294 data->m = m;
4295 data->ni = ni;
4296
4297 /* set up Tx descs */
4298
4299 /* first segment is Tx wireless info and 802.11 header */
4300
4301 len = sizeof(struct rt2860_txwi) + hdrsize;
4302
4303 /* align end on a 4-bytes boundary */
4304
4305 dmalen = (len + 3) & ~ 3;
4306
4307 memset((caddr_t) txwi + len, 0, dmalen - len);
4308
4309 qsel = RT2860_TXDESC_QSEL_EDCA;
4310
4311 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4312 desc->sdl0 = htole16(dmalen);
4313 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4314
4315 /* set up payload segments */
4316
4317 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4318 {
4319 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4320 desc->sdl1 = htole16(dma_seg[j].ds_len);
4321
4322 ring->desc_queued++;
4323 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4324
4325 j++;
4326
4327 desc = &ring->desc[ring->desc_cur];
4328
4329 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4330 desc->sdl0 = htole16(dma_seg[j].ds_len);
4331 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4332
4333 j++;
4334 }
4335
4336 /* finalize last payload segment */
4337
4338 if (i > 0)
4339 {
4340 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4341 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4342 }
4343 else
4344 {
4345 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4346 desc->sdl1 = 0;
4347 }
4348
4349 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4350 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4351 "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",
4352 device_get_nameunit(sc->dev),
4353 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4354 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
4355 (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);
4356
4357 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4358 BUS_DMASYNC_PREWRITE);
4359 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4360 BUS_DMASYNC_PREWRITE);
4361 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4362 BUS_DMASYNC_PREWRITE);
4363
4364 ring->desc_queued++;
4365 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4366
4367 ring->data_queued++;
4368 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4369
4370 /* kick Tx */
4371
4372 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4373
4374 return 0;
4375 }
4376
4377 /*
4378 * rt2860_tx_raw
4379 */
4380 static int rt2860_tx_raw(struct rt2860_softc *sc,
4381 struct mbuf *m, struct ieee80211_node *ni,
4382 const struct ieee80211_bpf_params *params)
4383 {
4384 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4385 "%s: Tx raw\n",
4386 device_get_nameunit(sc->dev));
4387
4388 return 0;
4389 }
4390
4391 /*
4392 * rt2860_intr
4393 */
4394 static void rt2860_intr(void *arg)
4395 {
4396 struct rt2860_softc *sc;
4397 struct ifnet *ifp;
4398 uint32_t status;
4399
4400 sc = arg;
4401 ifp = sc->ifp;
4402
4403 /* acknowledge interrupts */
4404
4405 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4406 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4407
4408 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4409 "%s: interrupt: status = 0x%08x\n",
4410 device_get_nameunit(sc->dev), status);
4411
4412 if (status == 0xffffffff || /* device likely went away */
4413 status == 0) /* not for us */
4414 return;
4415
4416 sc->interrupts++;
4417
4418 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4419 return;
4420
4421 if (status & RT2860_REG_INT_TX_COHERENT)
4422 rt2860_tx_coherent_intr(sc);
4423
4424 if (status & RT2860_REG_INT_RX_COHERENT)
4425 rt2860_rx_coherent_intr(sc);
4426
4427 if (status & RT2860_REG_INT_TXRX_COHERENT)
4428 rt2860_txrx_coherent_intr(sc);
4429
4430 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4431 rt2860_fifo_sta_full_intr(sc);
4432
4433 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4434 rt2860_tx_intr(sc, 5);
4435
4436 if (status & RT2860_REG_INT_RX_DONE)
4437 rt2860_rx_intr(sc);
4438
4439 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4440 rt2860_rx_delay_intr(sc);
4441
4442 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4443 rt2860_tx_intr(sc, 4);
4444
4445 if (status & RT2860_REG_INT_TX_AC3_DONE)
4446 rt2860_tx_intr(sc, 3);
4447
4448 if (status & RT2860_REG_INT_TX_AC2_DONE)
4449 rt2860_tx_intr(sc, 2);
4450
4451 if (status & RT2860_REG_INT_TX_AC1_DONE)
4452 rt2860_tx_intr(sc, 1);
4453
4454 if (status & RT2860_REG_INT_TX_AC0_DONE)
4455 rt2860_tx_intr(sc, 0);
4456
4457 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4458 rt2860_tx_delay_intr(sc);
4459
4460 if (status & RT2860_REG_INT_PRE_TBTT)
4461 rt2860_pre_tbtt_intr(sc);
4462
4463 if (status & RT2860_REG_INT_TBTT)
4464 rt2860_tbtt_intr(sc);
4465
4466 if (status & RT2860_REG_INT_MCU_CMD)
4467 rt2860_mcu_cmd_intr(sc);
4468
4469 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4470 rt2860_auto_wakeup_intr(sc);
4471
4472 if (status & RT2860_REG_INT_GP_TIMER)
4473 rt2860_gp_timer_intr(sc);
4474 }
4475
4476 /*
4477 * rt2860_tx_coherent_intr
4478 */
4479 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4480 {
4481 uint32_t tmp;
4482 int i;
4483
4484 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4485 "%s: Tx coherent interrupt\n",
4486 device_get_nameunit(sc->dev));
4487
4488 sc->tx_coherent_interrupts++;
4489
4490 /* restart DMA engine */
4491
4492 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4493
4494 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4495 RT2860_REG_RX_DMA_ENABLE |
4496 RT2860_REG_TX_DMA_ENABLE);
4497
4498 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4499
4500 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4501
4502 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4503 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4504
4505 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4506 {
4507 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4508 sc->tx_ring[i].desc_phys_addr);
4509 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4510 RT2860_SOFTC_TX_RING_DESC_COUNT);
4511 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4512 }
4513
4514 /* init Rx ring */
4515
4516 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4517
4518 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4519 sc->rx_ring.desc_phys_addr);
4520 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4521 RT2860_SOFTC_RX_RING_DATA_COUNT);
4522 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4523 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4524
4525 rt2860_txrx_enable(sc);
4526 }
4527
4528 /*
4529 * rt2860_rx_coherent_intr
4530 */
4531 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4532 {
4533 uint32_t tmp;
4534 int i;
4535
4536 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4537 "%s: Rx coherent interrupt\n",
4538 device_get_nameunit(sc->dev));
4539
4540 sc->rx_coherent_interrupts++;
4541
4542 /* restart DMA engine */
4543
4544 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4545
4546 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4547 RT2860_REG_RX_DMA_ENABLE |
4548 RT2860_REG_TX_DMA_ENABLE);
4549
4550 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4551
4552 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4553
4554 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4555 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4556
4557 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4558 {
4559 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4560 sc->tx_ring[i].desc_phys_addr);
4561 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4562 RT2860_SOFTC_TX_RING_DESC_COUNT);
4563 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4564 }
4565
4566 /* init Rx ring */
4567
4568 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4569
4570 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4571 sc->rx_ring.desc_phys_addr);
4572 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4573 RT2860_SOFTC_RX_RING_DATA_COUNT);
4574 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4575 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4576
4577 rt2860_txrx_enable(sc);
4578 }
4579
4580 /*
4581 * rt2860_txrx_coherent_intr
4582 */
4583 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4584 {
4585 uint32_t tmp;
4586 int i;
4587
4588 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4589 "%s: Tx/Rx coherent interrupt\n",
4590 device_get_nameunit(sc->dev));
4591
4592 sc->txrx_coherent_interrupts++;
4593
4594 /* restart DMA engine */
4595
4596 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4597
4598 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4599 RT2860_REG_RX_DMA_ENABLE |
4600 RT2860_REG_TX_DMA_ENABLE);
4601
4602 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4603
4604 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4605
4606 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4607 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4608
4609 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4610 {
4611 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4612 sc->tx_ring[i].desc_phys_addr);
4613 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4614 RT2860_SOFTC_TX_RING_DESC_COUNT);
4615 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4616 }
4617
4618 /* init Rx ring */
4619
4620 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4621
4622 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4623 sc->rx_ring.desc_phys_addr);
4624 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4625 RT2860_SOFTC_RX_RING_DATA_COUNT);
4626 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4627 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4628
4629 rt2860_txrx_enable(sc);
4630 }
4631
4632 /*
4633 * rt2860_fifo_sta_full_intr
4634 */
4635 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4636 {
4637 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4638 "%s: FIFO statistic full interrupt\n",
4639 device_get_nameunit(sc->dev));
4640
4641 sc->fifo_sta_full_interrupts++;
4642
4643 RT2860_SOFTC_LOCK(sc);
4644
4645 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4646 {
4647 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4648
4649 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4650 }
4651
4652 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4653
4654 RT2860_SOFTC_UNLOCK(sc);
4655 }
4656
4657 /*
4658 * rt2860_rx_intr
4659 */
4660 static void rt2860_rx_intr(struct rt2860_softc *sc)
4661 {
4662 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4663 "%s: Rx interrupt\n",
4664 device_get_nameunit(sc->dev));
4665
4666 sc->rx_interrupts++;
4667
4668 RT2860_SOFTC_LOCK(sc);
4669
4670 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4671 {
4672 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4673
4674 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4675 }
4676
4677 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4678
4679 RT2860_SOFTC_UNLOCK(sc);
4680 }
4681
4682 /*
4683 * rt2860_rx_delay_intr
4684 */
4685 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4686 {
4687 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4688 "%s: Rx delay interrupt\n",
4689 device_get_nameunit(sc->dev));
4690
4691 sc->rx_delay_interrupts++;
4692 }
4693
4694 /*
4695 * rt2860_tx_intr
4696 */
4697 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4698 {
4699 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4700 ("%s: Tx interrupt: invalid qid=%d\n",
4701 device_get_nameunit(sc->dev), qid));
4702
4703 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4704 "%s: Tx interrupt: qid=%d\n",
4705 device_get_nameunit(sc->dev), qid);
4706
4707 sc->tx_interrupts[qid]++;
4708
4709 RT2860_SOFTC_LOCK(sc);
4710
4711 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4712 {
4713 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4714
4715 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4716 }
4717
4718 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4719
4720 RT2860_SOFTC_UNLOCK(sc);
4721 }
4722
4723 /*
4724 * rt2860_tx_delay_intr
4725 */
4726 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4727 {
4728 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4729 "%s: Tx delay interrupt\n",
4730 device_get_nameunit(sc->dev));
4731
4732 sc->tx_delay_interrupts++;
4733 }
4734
4735 /*
4736 * rt2860_pre_tbtt_intr
4737 */
4738 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4739 {
4740 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4741 "%s: Pre-TBTT interrupt\n",
4742 device_get_nameunit(sc->dev));
4743
4744 sc->pre_tbtt_interrupts++;
4745 }
4746
4747 /*
4748 * rt2860_tbtt_intr
4749 */
4750 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4751 {
4752 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4753 "%s: TBTT interrupt\n",
4754 device_get_nameunit(sc->dev));
4755
4756 sc->tbtt_interrupts++;
4757 }
4758
4759 /*
4760 * rt2860_mcu_cmd_intr
4761 */
4762 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4763 {
4764 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4765 "%s: MCU command interrupt\n",
4766 device_get_nameunit(sc->dev));
4767
4768 sc->mcu_cmd_interrupts++;
4769 }
4770
4771 /*
4772 * rt2860_auto_wakeup_intr
4773 */
4774 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4775 {
4776 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4777 "%s: auto wakeup interrupt\n",
4778 device_get_nameunit(sc->dev));
4779
4780 sc->auto_wakeup_interrupts++;
4781 }
4782
4783 /*
4784 * rt2860_gp_timer_intr
4785 */
4786 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4787 {
4788 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4789 "%s: GP timer interrupt\n",
4790 device_get_nameunit(sc->dev));
4791
4792 sc->gp_timer_interrupts++;
4793 }
4794
4795 /*
4796 * rt2860_rx_done_task
4797 */
4798 static void rt2860_rx_done_task(void *context, int pending)
4799 {
4800 struct rt2860_softc *sc;
4801 struct ifnet *ifp;
4802 int again;
4803
4804 sc = context;
4805 ifp = sc->ifp;
4806
4807 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4808 "%s: Rx done task\n",
4809 device_get_nameunit(sc->dev));
4810
4811 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4812 return;
4813
4814 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4815
4816 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4817
4818 RT2860_SOFTC_LOCK(sc);
4819
4820 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4821 {
4822 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4823 "%s: Rx done task: scheduling again\n",
4824 device_get_nameunit(sc->dev));
4825
4826 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4827 }
4828 else
4829 {
4830 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4831 }
4832
4833 RT2860_SOFTC_UNLOCK(sc);
4834 }
4835
4836 /*
4837 * rt2860_tx_done_task
4838 */
4839 static void rt2860_tx_done_task(void *context, int pending)
4840 {
4841 struct rt2860_softc *sc;
4842 struct ifnet *ifp;
4843 uint32_t intr_mask;
4844 int i;
4845
4846 sc = context;
4847 ifp = sc->ifp;
4848
4849 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4850 "%s: Tx done task\n",
4851 device_get_nameunit(sc->dev));
4852
4853 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4854 return;
4855
4856 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4857 {
4858 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4859 {
4860 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4861
4862 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4863 }
4864 }
4865
4866 sc->tx_timer = 0;
4867
4868 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4869
4870 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4871 RT2860_REG_INT_TX_HCCA_DONE |
4872 RT2860_REG_INT_TX_AC3_DONE |
4873 RT2860_REG_INT_TX_AC2_DONE |
4874 RT2860_REG_INT_TX_AC1_DONE |
4875 RT2860_REG_INT_TX_AC0_DONE);
4876
4877 RT2860_SOFTC_LOCK(sc);
4878
4879 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4880 (sc->intr_disable_mask & intr_mask));
4881
4882 if (sc->intr_pending_mask & intr_mask)
4883 {
4884 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4885 "%s: Tx done task: scheduling again\n",
4886 device_get_nameunit(sc->dev));
4887
4888 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4889 }
4890
4891 RT2860_SOFTC_UNLOCK(sc);
4892 }
4893
4894 /*
4895 * rt2860_fifo_sta_full_task
4896 */
4897 static void rt2860_fifo_sta_full_task(void *context, int pending)
4898 {
4899 struct rt2860_softc *sc;
4900 struct ifnet *ifp;
4901
4902 sc = context;
4903 ifp = sc->ifp;
4904
4905 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4906 "%s: FIFO statistic full task\n",
4907 device_get_nameunit(sc->dev));
4908
4909 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4910 return;
4911
4912 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4913
4914 rt2860_drain_fifo_stats(sc);
4915
4916 RT2860_SOFTC_LOCK(sc);
4917
4918 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4919 {
4920 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4921 "%s: FIFO statistic full task: scheduling again\n",
4922 device_get_nameunit(sc->dev));
4923
4924 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4925 }
4926 else
4927 {
4928 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4929 }
4930
4931 RT2860_SOFTC_UNLOCK(sc);
4932 }
4933
4934 /*
4935 * rt2860_periodic_task
4936 */
4937 static void rt2860_periodic_task(void *context, int pending)
4938 {
4939 struct rt2860_softc *sc;
4940 struct ifnet *ifp;
4941 struct ieee80211com *ic;
4942 struct ieee80211vap *vap;
4943
4944 sc = context;
4945 ifp = sc->ifp;
4946 ic = ifp->if_l2com;
4947 vap = TAILQ_FIRST(&ic->ic_vaps);
4948
4949 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4950 "%s: periodic task: round=%lu\n",
4951 device_get_nameunit(sc->dev), sc->periodic_round);
4952
4953 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4954 return;
4955
4956 RT2860_SOFTC_LOCK(sc);
4957
4958 sc->periodic_round++;
4959
4960 rt2860_update_stats(sc);
4961
4962 if ((sc->periodic_round % 10) == 0)
4963 {
4964 rt2860_bbp_tuning(sc);
4965
4966 rt2860_update_raw_counters(sc);
4967
4968 rt2860_watchdog(sc);
4969
4970 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4971 {
4972 if (vap->iv_opmode == IEEE80211_M_STA)
4973 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
4974 else
4975 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
4976 }
4977 }
4978
4979 RT2860_SOFTC_UNLOCK(sc);
4980
4981 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4982 }
4983
4984 /*
4985 * rt2860_rx_eof
4986 */
4987 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4988 {
4989 struct ifnet *ifp;
4990 struct ieee80211com *ic;
4991 struct ieee80211_frame *wh;
4992 struct ieee80211_node *ni;
4993 struct rt2860_softc_node *rni;
4994 struct rt2860_softc_rx_radiotap_header *tap;
4995 struct rt2860_softc_rx_ring *ring;
4996 struct rt2860_rxdesc *desc;
4997 struct rt2860_softc_rx_data *data;
4998 struct rt2860_rxwi *rxwi;
4999 struct mbuf *m, *mnew;
5000 bus_dma_segment_t segs[1];
5001 bus_dmamap_t dma_map;
5002 uint32_t index, desc_flags;
5003 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
5004 int8_t rssi_dbm;
5005 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5006
5007 ifp = sc->ifp;
5008 ic = ifp->if_l2com;
5009 ring = &sc->rx_ring;
5010
5011 nframes = 0;
5012
5013 while (limit != 0)
5014 {
5015 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5016 if (ring->cur == index)
5017 break;
5018
5019 desc = &ring->desc[ring->cur];
5020 desc_flags = le32toh(desc->flags);
5021 data = &ring->data[ring->cur];
5022
5023 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5024 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5025
5026 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5027 break;
5028
5029 nframes++;
5030
5031 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5032 if (mnew == NULL)
5033 {
5034 sc->rx_mbuf_alloc_errors++;
5035 ifp->if_ierrors++;
5036 goto skip;
5037 }
5038
5039 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5040
5041 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5042 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5043 if (error != 0)
5044 {
5045 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5046 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5047 device_get_nameunit(sc->dev), error, nsegs);
5048
5049 m_freem(mnew);
5050
5051 sc->rx_mbuf_dmamap_errors++;
5052 ifp->if_ierrors++;
5053
5054 goto skip;
5055 }
5056
5057 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5058 device_get_nameunit(sc->dev)));
5059
5060 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5061 BUS_DMASYNC_POSTREAD);
5062 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5063
5064 dma_map = data->dma_map;
5065 data->dma_map = ring->spare_dma_map;
5066 ring->spare_dma_map = dma_map;
5067
5068 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5069 BUS_DMASYNC_PREREAD);
5070
5071 m = data->m;
5072
5073 data->m = mnew;
5074 desc->sdp0 = htole32(segs[0].ds_addr);
5075
5076 /* get Rx wireless info */
5077
5078 rxwi = mtod(m, struct rt2860_rxwi *);
5079 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5080 RT2860_RXWI_SIZE_MASK;
5081
5082 /* check for L2 padding between IEEE 802.11 frame header and body */
5083
5084 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5085 {
5086 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5087 "%s: L2 padding: len=%d\n",
5088 device_get_nameunit(sc->dev), len);
5089
5090 len += 2;
5091 }
5092
5093 m->m_pkthdr.rcvif = ifp;
5094 m->m_data = (caddr_t) (rxwi + 1);
5095 m->m_pkthdr.len = m->m_len = len;
5096
5097 /* check for crc errors */
5098
5099 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5100 {
5101 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5102 "%s: rxdesc: crc error\n",
5103 device_get_nameunit(sc->dev));
5104
5105 ifp->if_ierrors++;
5106
5107 if (!(ifp->if_flags & IFF_PROMISC))
5108 {
5109 m_freem(m);
5110 goto skip;
5111 }
5112 }
5113
5114 wh = (struct ieee80211_frame *) (rxwi + 1);
5115
5116 /* check for cipher errors */
5117
5118 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5119 {
5120 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5121 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5122 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5123 {
5124 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5125 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5126
5127 m->m_flags |= M_WEP;
5128 }
5129 else
5130 {
5131 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5132 "%s: rxdesc: cipher error=0x%02x\n",
5133 device_get_nameunit(sc->dev), cipher_err);
5134
5135 ifp->if_ierrors++;
5136
5137 if (!(ifp->if_flags & IFF_PROMISC))
5138 {
5139 m_free(m);
5140 goto skip;
5141 }
5142 }
5143 }
5144 else
5145 {
5146 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5147 {
5148 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5149 "%s: rxdesc: not decrypted but protected flag set\n",
5150 device_get_nameunit(sc->dev));
5151
5152 ifp->if_ierrors++;
5153
5154 if (!(ifp->if_flags & IFF_PROMISC))
5155 {
5156 m_free(m);
5157 goto skip;
5158 }
5159 }
5160 }
5161
5162 /* check for A-MPDU */
5163
5164 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5165 {
5166 m->m_flags |= M_AMPDU;
5167
5168 sc->rx_ampdu++;
5169
5170 ampdu = 1;
5171 }
5172 else
5173 {
5174 ampdu = 0;
5175 }
5176
5177 /* check for A-MSDU */
5178
5179 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5180 {
5181 sc->rx_amsdu++;
5182
5183 amsdu = 1;
5184 }
5185 else
5186 {
5187 amsdu = 0;
5188 }
5189
5190 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5191 rssi = rxwi->rssi[ant];
5192 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5193 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5194 RT2860_RXWI_PHYMODE_MASK);
5195 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5196 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5197 RT2860_RXWI_SHORTGI_MASK);
5198 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5199
5200 if (ieee80211_radiotap_active(ic))
5201 {
5202 tap = &sc->rxtap;
5203
5204 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5205 tap->dbm_antsignal = rssi_dbm;
5206 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5207 tap->antenna = ant;
5208 tap->antsignal = rssi;
5209 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5210 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5211 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5212 tap->chan_maxpow = 0;
5213
5214 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5215 tap->rate = mcs | IEEE80211_RATE_MCS;
5216 else
5217 tap->rate = rt2860_rxrate(rxwi);
5218
5219 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5220 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5221
5222 if (shortgi)
5223 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5224 }
5225
5226 /*
5227 * net80211 assumes that RSSI data are in the range [-127..127] and
5228 * in .5 dBm units relative to the current noise floor
5229 */
5230
5231 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5232 if (rssi_dbm_rel > 127)
5233 rssi_dbm_rel = 127;
5234
5235 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5236 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5237 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5238 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5239 device_get_nameunit(sc->dev),
5240 len, phymode, bw, shortgi, mcs,
5241 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5242 rxwi->snr[0], rxwi->snr[1],
5243 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5244
5245 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5246 if (ni != NULL)
5247 {
5248 rni = (struct rt2860_softc_node *) ni;
5249
5250 for (i = 0; i < RT2860_SOFTC_RSSI_DBM_COUNT; i++)
5251 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5252
5253 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5254 ieee80211_free_node(ni);
5255 }
5256 else
5257 {
5258 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5259 }
5260
5261 skip:
5262
5263 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5264
5265 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5266 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5267
5268 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5269
5270 limit--;
5271 }
5272
5273 if (ring->cur == 0)
5274 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5275 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5276 else
5277 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5278 ring->cur - 1);
5279
5280 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5281 "%s: Rx eof: nframes=%d\n",
5282 device_get_nameunit(sc->dev), nframes);
5283
5284 sc->rx_packets += nframes;
5285
5286 return (limit == 0);
5287 }
5288
5289 /*
5290 * rt2860_tx_eof
5291 */
5292 static void rt2860_tx_eof(struct rt2860_softc *sc,
5293 struct rt2860_softc_tx_ring *ring)
5294 {
5295 struct ifnet *ifp;
5296 struct rt2860_txdesc *desc;
5297 struct rt2860_softc_tx_data *data;
5298 uint32_t index;
5299 int ndescs, nframes;
5300
5301 ifp = sc->ifp;
5302
5303 ndescs = 0;
5304 nframes = 0;
5305
5306 for (;;)
5307 {
5308 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5309 if (ring->desc_next == index)
5310 break;
5311
5312 ndescs++;
5313
5314 rt2860_drain_fifo_stats(sc);
5315
5316 desc = &ring->desc[ring->desc_next];
5317
5318 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5319 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5320
5321 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5322 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5323 {
5324 nframes++;
5325
5326 data = &ring->data[ring->data_next];
5327
5328 if (data->m->m_flags & M_TXCB)
5329 ieee80211_process_callback(data->ni, data->m, 0);
5330
5331 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5332 BUS_DMASYNC_POSTWRITE);
5333 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5334
5335 m_freem(data->m);
5336
5337 ieee80211_free_node(data->ni);
5338
5339 data->m = NULL;
5340 data->ni = NULL;
5341
5342 ifp->if_opackets++;
5343
5344 RT2860_SOFTC_LOCK(sc);
5345
5346 ring->data_queued--;
5347 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5348
5349 RT2860_SOFTC_UNLOCK(sc);
5350 }
5351
5352 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5353
5354 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5355 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5356
5357 RT2860_SOFTC_LOCK(sc);
5358
5359 ring->desc_queued--;
5360 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5361
5362 RT2860_SOFTC_UNLOCK(sc);
5363 }
5364
5365 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5366 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5367 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5368 }
5369
5370 /*
5371 * rt2860_update_stats
5372 */
5373 static void rt2860_update_stats(struct rt2860_softc *sc)
5374 {
5375 struct ifnet *ifp;
5376 struct ieee80211com *ic;
5377 struct ieee80211vap *vap;
5378 struct ieee80211_node *ni;
5379 uint32_t stacnt[3];
5380 int beacons, noretryok, retryok, failed, underflows, zerolen;
5381 uint16_t associd;
5382 uint8_t wcid;
5383
5384 ifp = sc->ifp;
5385 ic = ifp->if_l2com;
5386 vap = TAILQ_FIRST(&ic->ic_vaps);
5387
5388 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5389 "%s: update statistic\n",
5390 device_get_nameunit(sc->dev));
5391
5392 rt2860_drain_fifo_stats(sc);
5393
5394 /* read and clear Tx statistic registers */
5395
5396 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5397 stacnt, sizeof(stacnt));
5398
5399 stacnt[0] = le32toh(stacnt[0]);
5400 stacnt[1] = le32toh(stacnt[1]);
5401 stacnt[2] = le32toh(stacnt[2]);
5402
5403 beacons = stacnt[0] >> 16;
5404 noretryok = stacnt[1] & 0xffff;
5405 retryok = stacnt[1] >> 16;
5406 failed = stacnt[0] & 0xffff;
5407 underflows = stacnt[2] >> 16;
5408 zerolen = stacnt[2] & 0xffff;
5409
5410 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5411 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5412 device_get_nameunit(sc->dev),
5413 beacons, noretryok, retryok, failed, underflows, zerolen);
5414
5415 ifp->if_oerrors += failed;
5416
5417 sc->tx_beacons += beacons;
5418 sc->tx_noretryok += noretryok;
5419 sc->tx_retryok += retryok;
5420 sc->tx_failed += failed;
5421 sc->tx_underflows += underflows;
5422 sc->tx_zerolen += zerolen;
5423
5424 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5425 {
5426 ni = vap->iv_bss;
5427
5428 associd = (ni != NULL) ? ni->ni_associd : 0;
5429 wcid = RT2860_AID2WCID(associd);
5430
5431 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5432 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5433 }
5434 }
5435
5436 /*
5437 * rt2860_bbp_tuning
5438 */
5439 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5440 {
5441 struct ifnet *ifp;
5442 struct ieee80211com *ic;
5443 struct ieee80211vap *vap;
5444 struct ieee80211_node *ni;
5445 int chan, group;
5446 int8_t rssi, old, new;
5447
5448 /* RT2860C does not support BBP tuning */
5449
5450 if (sc->mac_rev == 0x28600100)
5451 return;
5452
5453 ifp = sc->ifp;
5454 ic = ifp->if_l2com;
5455 vap = TAILQ_FIRST(&ic->ic_vaps);
5456
5457 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5458 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5459 return;
5460
5461 ni = vap->iv_bss;
5462
5463 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5464
5465 if (chan <= 14)
5466 group = 0;
5467 else if (chan <= 64)
5468 group = 1;
5469 else if (chan <= 128)
5470 group = 2;
5471 else
5472 group = 3;
5473
5474 rssi = ieee80211_getrssi(vap);
5475
5476 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5477 {
5478 new = 0x2e + sc->lna_gain[group];
5479 }
5480 else
5481 {
5482 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5483 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5484 else
5485 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5486 }
5487
5488 /* Tune if absolute average RSSI is greater than -80 */
5489
5490 if (rssi > 30)
5491 new += 0x10;
5492
5493 old = rt2860_io_bbp_read(sc, 66);
5494
5495 if (old != new)
5496 rt2860_io_bbp_write(sc, 66, new);
5497 }
5498
5499 /*
5500 * rt2860_watchdog
5501 */
5502 static void rt2860_watchdog(struct rt2860_softc *sc)
5503 {
5504 uint32_t tmp;
5505 int ntries;
5506
5507 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5508
5509 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5510 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5511 device_get_nameunit(sc->dev), tmp);
5512
5513 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5514 {
5515 sc->tx_queue_not_empty[0]++;
5516
5517 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5518
5519 for (ntries = 0; ntries < 10; ntries++)
5520 {
5521 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5522 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5523 break;
5524
5525 DELAY(1);
5526 }
5527
5528 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5529 }
5530
5531 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5532 {
5533 sc->tx_queue_not_empty[1]++;
5534
5535 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5536
5537 for (ntries = 0; ntries < 10; ntries++)
5538 {
5539 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5540 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5541 break;
5542
5543 DELAY(1);
5544 }
5545
5546 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5547 }
5548 }
5549
5550 /*
5551 * rt2860_drain_fifo_stats
5552 */
5553 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5554 {
5555 struct ifnet *ifp;
5556 uint32_t stats;
5557 uint8_t wcid, mcs, pid;
5558 int ok, agg, retrycnt;
5559
5560 ifp = sc->ifp;
5561
5562 /* drain Tx status FIFO (maxsize = 16) */
5563
5564 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5565 RT2860_REG_TX_STA_FIFO_VALID)
5566 {
5567 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5568 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5569
5570 /* if no ACK was requested, no feedback is available */
5571
5572 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5573 continue;
5574
5575 /* update AMRR statistic */
5576
5577 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5578 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5579 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5580 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5581 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5582 RT2860_REG_TX_STA_FIFO_PID_MASK;
5583 retrycnt = pid - mcs;
5584
5585 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5586 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5587 device_get_nameunit(sc->dev),
5588 wcid, ok, agg, mcs, pid, retrycnt);
5589
5590 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5591
5592 if (!ok)
5593 ifp->if_oerrors++;
5594 }
5595 }
5596
5597 /*
5598 * rt2860_update_raw_counters
5599 */
5600 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5601 {
5602 uint32_t tmp;
5603
5604 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5605
5606 sc->tx_nonagg += tmp & 0xffff;
5607 sc->tx_agg += tmp >> 16;
5608
5609 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5610
5611 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5612
5613 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5614
5615 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5616
5617 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5618
5619 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5620
5621 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5622
5623 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5624
5625 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5626
5627 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5628
5629 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5630
5631 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5632
5633 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5634
5635 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5636
5637 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5638
5639 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5640
5641 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5642
5643 sc->rx_crc_errors += tmp & 0xffff;
5644 sc->rx_phy_errors += tmp >> 16;
5645
5646 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5647
5648 sc->rx_false_ccas += tmp & 0xffff;
5649 sc->rx_plcp_errors += tmp >> 16;
5650
5651 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5652
5653 sc->rx_dup_packets += tmp & 0xffff;
5654 sc->rx_fifo_overflows += tmp >> 16;
5655
5656 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5657
5658 sc->tx_mpdu_zero_density += tmp & 0xffff;
5659 sc->rx_mpdu_zero_density += tmp >> 16;
5660 }
5661
5662 /*
5663 * rt2860_intr_enable
5664 */
5665 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5666 {
5667 uint32_t tmp;
5668
5669 sc->intr_disable_mask &= ~intr_mask;
5670
5671 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5672
5673 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5674 }
5675
5676 /*
5677 * rt2860_intr_disable
5678 */
5679 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5680 {
5681 uint32_t tmp;
5682
5683 sc->intr_disable_mask |= intr_mask;
5684
5685 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5686
5687 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5688 }
5689
5690 /*
5691 * rt2860_txrx_enable
5692 */
5693 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5694 {
5695 struct ieee80211com *ic;
5696 struct ifnet *ifp;
5697 uint32_t tmp;
5698 int ntries;
5699
5700 ifp = sc->ifp;
5701 ic = ifp->if_l2com;
5702
5703 /* enable Tx/Rx DMA engine */
5704
5705 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5706
5707 for (ntries = 0; ntries < 200; ntries++)
5708 {
5709 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5710 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5711 break;
5712
5713 DELAY(1000);
5714 }
5715
5716 if (ntries == 200)
5717 {
5718 printf("%s: timeout waiting for DMA engine\n",
5719 device_get_nameunit(sc->dev));
5720 return -1;
5721 }
5722
5723 DELAY(50);
5724
5725 tmp |= RT2860_REG_TX_WB_DDONE |
5726 RT2860_REG_RX_DMA_ENABLE |
5727 RT2860_REG_TX_DMA_ENABLE |
5728 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5729
5730 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5731
5732 /* set Rx filter */
5733
5734 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5735 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5736
5737 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5738 {
5739 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5740 RT2860_REG_RX_FILTER_DROP_CTS |
5741 RT2860_REG_RX_FILTER_DROP_BA |
5742 RT2860_REG_RX_FILTER_DROP_ACK |
5743 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5744 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5745 RT2860_REG_RX_FILTER_DROP_CFACK |
5746 RT2860_REG_RX_FILTER_DROP_CFEND;
5747
5748 if (ic->ic_opmode == IEEE80211_M_STA)
5749 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5750 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5751
5752 if (!(ifp->if_flags & IFF_PROMISC))
5753 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5754 }
5755
5756 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5757
5758 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5759 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5760
5761 return 0;
5762 }
5763
5764 /*
5765 * rt2860_alloc_rx_ring
5766 */
5767 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5768 struct rt2860_softc_rx_ring *ring)
5769 {
5770 struct rt2860_rxdesc *desc;
5771 struct rt2860_softc_rx_data *data;
5772 bus_dma_segment_t segs[1];
5773 int i, nsegs, error;
5774
5775 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5776 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5777 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5778 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5779 0, NULL, NULL, &ring->desc_dma_tag);
5780 if (error != 0)
5781 {
5782 printf("%s: could not create Rx desc DMA tag\n",
5783 device_get_nameunit(sc->dev));
5784 goto fail;
5785 }
5786
5787 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5788 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5789 if (error != 0)
5790 {
5791 printf("%s: could not allocate Rx desc DMA memory\n",
5792 device_get_nameunit(sc->dev));
5793 goto fail;
5794 }
5795
5796 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5797 ring->desc,
5798 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5799 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5800 if (error != 0)
5801 {
5802 printf("%s: could not load Rx desc DMA map\n",
5803 device_get_nameunit(sc->dev));
5804 goto fail;
5805 }
5806
5807 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5808 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5809 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5810 &ring->data_dma_tag);
5811 if (error != 0)
5812 {
5813 printf("%s: could not create Rx data DMA tag\n",
5814 device_get_nameunit(sc->dev));
5815 goto fail;
5816 }
5817
5818 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5819 {
5820 desc = &ring->desc[i];
5821 data = &ring->data[i];
5822
5823 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5824 if (error != 0)
5825 {
5826 printf("%s: could not create Rx data DMA map\n",
5827 device_get_nameunit(sc->dev));
5828 goto fail;
5829 }
5830
5831 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5832 if (data->m == NULL)
5833 {
5834 printf("%s: could not allocate Rx mbuf\n",
5835 device_get_nameunit(sc->dev));
5836 error = ENOMEM;
5837 goto fail;
5838 }
5839
5840 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5841
5842 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5843 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5844 if (error != 0)
5845 {
5846 printf("%s: could not load Rx mbuf DMA map\n",
5847 device_get_nameunit(sc->dev));
5848 goto fail;
5849 }
5850
5851 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5852 device_get_nameunit(sc->dev)));
5853
5854 desc->sdp0 = htole32(segs[0].ds_addr);
5855 desc->sdl0 = htole16(MJUMPAGESIZE);
5856 }
5857
5858 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5859 if (error != 0)
5860 {
5861 printf("%s: could not create Rx spare DMA map\n",
5862 device_get_nameunit(sc->dev));
5863 goto fail;
5864 }
5865
5866 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5867 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5868
5869 return 0;
5870
5871 fail:
5872
5873 rt2860_free_rx_ring(sc, ring);
5874
5875 return error;
5876 }
5877
5878 /*
5879 * rt2860_reset_rx_ring
5880 */
5881 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5882 struct rt2860_softc_rx_ring *ring)
5883 {
5884 struct rt2860_rxdesc *desc;
5885 int i;
5886
5887 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5888 {
5889 desc = &ring->desc[i];
5890
5891 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5892 }
5893
5894 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5895 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5896
5897 ring->cur = 0;
5898 }
5899
5900 /*
5901 * rt2860_free_rx_ring
5902 */
5903 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5904 struct rt2860_softc_rx_ring *ring)
5905 {
5906 struct rt2860_softc_rx_data *data;
5907 int i;
5908
5909 if (ring->desc != NULL)
5910 {
5911 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5912 BUS_DMASYNC_POSTWRITE);
5913 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5914 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5915 ring->desc_dma_map);
5916 }
5917
5918 if (ring->desc_dma_tag != NULL)
5919 bus_dma_tag_destroy(ring->desc_dma_tag);
5920
5921 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5922 {
5923 data = &ring->data[i];
5924
5925 if (data->m != NULL)
5926 {
5927 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5928 BUS_DMASYNC_POSTREAD);
5929 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5930 m_freem(data->m);
5931 }
5932
5933 if (data->dma_map != NULL)
5934 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5935 }
5936
5937 if (ring->spare_dma_map != NULL)
5938 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5939
5940 if (ring->data_dma_tag != NULL)
5941 bus_dma_tag_destroy(ring->data_dma_tag);
5942 }
5943
5944 /*
5945 * rt2860_alloc_tx_ring
5946 */
5947 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5948 struct rt2860_softc_tx_ring *ring, int qid)
5949 {
5950 struct rt2860_softc_tx_data *data;
5951 int error, i;
5952
5953 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5954 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5955 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5956 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5957 0, NULL, NULL, &ring->desc_dma_tag);
5958 if (error != 0)
5959 {
5960 printf("%s: could not create Tx desc DMA tag\n",
5961 device_get_nameunit(sc->dev));
5962 goto fail;
5963 }
5964
5965 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5966 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5967 if (error != 0)
5968 {
5969 printf("%s: could not allocate Tx desc DMA memory\n",
5970 device_get_nameunit(sc->dev));
5971 goto fail;
5972 }
5973
5974 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5975 ring->desc,
5976 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5977 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5978 if (error != 0)
5979 {
5980 printf("%s: could not load Tx desc DMA map\n",
5981 device_get_nameunit(sc->dev));
5982 goto fail;
5983 }
5984
5985 ring->desc_queued = 0;
5986 ring->desc_cur = 0;
5987 ring->desc_next = 0;
5988
5989 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5990 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5991 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5992 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5993 0, NULL, NULL, &ring->seg0_dma_tag);
5994 if (error != 0)
5995 {
5996 printf("%s: could not create Tx seg0 DMA tag\n",
5997 device_get_nameunit(sc->dev));
5998 goto fail;
5999 }
6000
6001 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6002 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6003 if (error != 0)
6004 {
6005 printf("%s: could not allocate Tx seg0 DMA memory\n",
6006 device_get_nameunit(sc->dev));
6007 goto fail;
6008 }
6009
6010 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6011 ring->seg0,
6012 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6013 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6014 if (error != 0)
6015 {
6016 printf("%s: could not load Tx seg0 DMA map\n",
6017 device_get_nameunit(sc->dev));
6018 goto fail;
6019 }
6020
6021 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6022 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6023 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6024 &ring->data_dma_tag);
6025 if (error != 0)
6026 {
6027 printf("%s: could not create Tx data DMA tag\n",
6028 device_get_nameunit(sc->dev));
6029 goto fail;
6030 }
6031
6032 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6033 {
6034 data = &ring->data[i];
6035
6036 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6037 if (error != 0)
6038 {
6039 printf("%s: could not create Tx data DMA map\n",
6040 device_get_nameunit(sc->dev));
6041 goto fail;
6042 }
6043 }
6044
6045 ring->data_queued = 0;
6046 ring->data_cur = 0;
6047 ring->data_next = 0;
6048
6049 ring->qid = qid;
6050
6051 return 0;
6052
6053 fail:
6054
6055 rt2860_free_tx_ring(sc, ring);
6056
6057 return error;
6058 }
6059
6060 /*
6061 * rt2860_reset_tx_ring
6062 */
6063 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6064 struct rt2860_softc_tx_ring *ring)
6065 {
6066 struct rt2860_softc_tx_data *data;
6067 struct rt2860_txdesc *desc;
6068 int i;
6069
6070 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6071 {
6072 desc = &ring->desc[i];
6073
6074 desc->sdl0 = 0;
6075 desc->sdl1 = 0;
6076 }
6077
6078 ring->desc_queued = 0;
6079 ring->desc_cur = 0;
6080 ring->desc_next = 0;
6081
6082 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6083 BUS_DMASYNC_PREWRITE);
6084
6085 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6086 BUS_DMASYNC_PREWRITE);
6087
6088 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6089 {
6090 data = &ring->data[i];
6091
6092 if (data->m != NULL)
6093 {
6094 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6095 BUS_DMASYNC_POSTWRITE);
6096 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6097 m_freem(data->m);
6098 data->m = NULL;
6099 }
6100
6101 if (data->ni != NULL)
6102 {
6103 ieee80211_free_node(data->ni);
6104 data->ni = NULL;
6105 }
6106 }
6107
6108 ring->data_queued = 0;
6109 ring->data_cur = 0;
6110 ring->data_next = 0;
6111 }
6112
6113 /*
6114 * rt2860_free_tx_ring
6115 */
6116 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6117 struct rt2860_softc_tx_ring *ring)
6118 {
6119 struct rt2860_softc_tx_data *data;
6120 int i;
6121
6122 if (ring->desc != NULL)
6123 {
6124 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6125 BUS_DMASYNC_POSTWRITE);
6126 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6127 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6128 ring->desc_dma_map);
6129 }
6130
6131 if (ring->desc_dma_tag != NULL)
6132 bus_dma_tag_destroy(ring->desc_dma_tag);
6133
6134 if (ring->seg0 != NULL)
6135 {
6136 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6137 BUS_DMASYNC_POSTWRITE);
6138 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6139 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6140 ring->seg0_dma_map);
6141 }
6142
6143 if (ring->seg0_dma_tag != NULL)
6144 bus_dma_tag_destroy(ring->seg0_dma_tag);
6145
6146 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6147 {
6148 data = &ring->data[i];
6149
6150 if (data->m != NULL)
6151 {
6152 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6153 BUS_DMASYNC_POSTWRITE);
6154 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6155 m_freem(data->m);
6156 }
6157
6158 if (data->ni != NULL)
6159 ieee80211_free_node(data->ni);
6160
6161 if (data->dma_map != NULL)
6162 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6163 }
6164
6165 if (ring->data_dma_tag != NULL)
6166 bus_dma_tag_destroy(ring->data_dma_tag);
6167 }
6168
6169 /*
6170 * rt2860_dma_map_addr
6171 */
6172 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6173 int nseg, int error)
6174 {
6175 if (error != 0)
6176 return;
6177
6178 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6179
6180 *(bus_addr_t *) arg = segs[0].ds_addr;
6181 }
6182
6183 /*
6184 * rt2860_sysctl_attach
6185 */
6186 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6187 {
6188 struct sysctl_ctx_list *ctx;
6189 struct sysctl_oid *tree;
6190 struct sysctl_oid *stats;
6191
6192 ctx = device_get_sysctl_ctx(sc->dev);
6193 tree = device_get_sysctl_tree(sc->dev);
6194
6195 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6196 "stats", CTLFLAG_RD, 0, "statistic");
6197
6198 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6199 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6200 "all interrupts");
6201
6202 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6203 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6204 "Tx coherent interrupts");
6205
6206 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6207 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6208 "Rx coherent interrupts");
6209
6210 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6211 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6212 "Tx/Rx coherent interrupts");
6213
6214 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6215 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6216 "FIFO statistic full interrupts");
6217
6218 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6219 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6220 "Rx interrupts");
6221
6222 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6223 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6224 "Rx delay interrupts");
6225
6226 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6227 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6228 "Tx MGMT interrupts");
6229
6230 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6231 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6232 "Tx HCCA interrupts");
6233
6234 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6235 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6236 "Tx AC3 interrupts");
6237
6238 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6239 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6240 "Tx AC2 interrupts");
6241
6242 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6243 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6244 "Tx AC1 interrupts");
6245
6246 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6247 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6248 "Tx AC0 interrupts");
6249
6250 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6251 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6252 "Tx delay interrupts");
6253
6254 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6255 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6256 "Pre-TBTT interrupts");
6257
6258 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6259 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6260 "TBTT interrupts");
6261
6262 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6263 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6264 "MCU command interrupts");
6265
6266 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6267 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6268 "auto wakeup interrupts");
6269
6270 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6271 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6272 "GP timer interrupts");
6273
6274 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6275 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6276 "Tx MGMT descriptors queued");
6277
6278 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6279 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6280 "Tx MGMT data queued");
6281
6282 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6283 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6284 "Tx HCCA descriptors queued");
6285
6286 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6287 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6288 "Tx HCCA data queued");
6289
6290 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6291 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6292 "Tx AC3 descriptors queued");
6293
6294 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6295 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6296 "Tx AC3 data queued");
6297
6298 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6299 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6300 "Tx AC2 descriptors queued");
6301
6302 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6303 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6304 "Tx AC2 data queued");
6305
6306 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6307 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6308 "Tx AC1 descriptors queued");
6309
6310 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6311 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6312 "Tx AC1 data queued");
6313
6314 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6315 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6316 "Tx AC0 descriptors queued");
6317
6318 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6319 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6320 "Tx AC0 data queued");
6321
6322 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6323 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6324 "Tx MGMT data queue full");
6325
6326 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6327 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6328 "Tx HCCA data queue full");
6329
6330 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6331 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6332 "Tx AC3 data queue full");
6333
6334 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6335 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6336 "Tx AC2 data queue full");
6337
6338 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6339 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6340 "Tx AC1 data queue full");
6341
6342 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6343 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6344 "Tx AC0 data queue full");
6345
6346 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6347 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6348 "Tx watchdog timeouts");
6349
6350 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6351 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6352 "Tx defragmented packets");
6353
6354 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6355 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6356 "no Tx descriptors available");
6357
6358 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6359 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6360 "Rx mbuf allocation errors");
6361
6362 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6363 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6364 "Rx mbuf DMA mapping errors");
6365
6366 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6367 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6368 "Tx queue 0 not empty");
6369
6370 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6371 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6372 "Tx queue 1 not empty");
6373
6374 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6375 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6376 "Tx beacons");
6377
6378 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6379 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6380 "Tx successfull without retries");
6381
6382 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6383 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6384 "Tx successfull with retries");
6385
6386 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6387 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6388 "Tx failed");
6389
6390 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6391 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6392 "Tx underflows");
6393
6394 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6395 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6396 "Tx zero length");
6397
6398 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6399 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6400 "Tx non-aggregated");
6401
6402 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6403 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6404 "Tx aggregated");
6405
6406 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6407 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6408 "Tx A-MPDU");
6409
6410 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6411 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6412 "Tx MPDU with zero density");
6413
6414 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6415 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6416 "Rx packets");
6417
6418 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6419 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6420 "Rx A-MPDU");
6421
6422 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6423 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6424 "Rx MPDU with zero density");
6425
6426 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6427 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6428 "Rx A-MSDU");
6429
6430 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6431 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6432 "Rx CRC errors");
6433
6434 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6435 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6436 "Rx PHY errors");
6437
6438 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6439 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6440 "Rx false CCAs");
6441
6442 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6443 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6444 "Rx PLCP errors");
6445
6446 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6447 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6448 "Rx duplicate packets");
6449
6450 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6451 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6452 "Rx FIFO overflows");
6453 }
6454
6455 static device_method_t rt2860_dev_methods[] =
6456 {
6457 DEVMETHOD(device_probe, rt2860_probe),
6458 DEVMETHOD(device_attach, rt2860_attach),
6459 DEVMETHOD(device_detach, rt2860_detach),
6460 DEVMETHOD(device_shutdown, rt2860_shutdown),
6461 DEVMETHOD(device_suspend, rt2860_suspend),
6462 DEVMETHOD(device_resume, rt2860_resume),
6463 { 0, 0 }
6464 };
6465
6466 static driver_t rt2860_driver =
6467 {
6468 "rt2860",
6469 rt2860_dev_methods,
6470 sizeof(struct rt2860_softc)
6471 };
6472
6473 static devclass_t rt2860_dev_class;
6474
6475 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6476
6477 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6478 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860