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KASSERT bug fixed in AMRR
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blob6e1e8d5894de62850ec5209c4a0376fab87d884d
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_watchdog(struct rt2860_softc *sc);
270
271 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
272
273 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
274
275 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
276
277 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
278
279 static int rt2860_txrx_enable(struct rt2860_softc *sc);
280
281 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
282 struct rt2860_softc_rx_ring *ring);
283
284 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
285 struct rt2860_softc_rx_ring *ring);
286
287 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
288 struct rt2860_softc_rx_ring *ring);
289
290 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
291 struct rt2860_softc_tx_ring *ring, int qid);
292
293 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
294 struct rt2860_softc_tx_ring *ring);
295
296 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
297 struct rt2860_softc_tx_ring *ring);
298
299 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
300 int nseg, int error);
301
302 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
303
304 /*
305 * Static variables
306 */
307
308 static const struct rt2860_pci_ident rt2860_pci_ids[] =
309 {
310 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
311 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
312 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
313 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
314 { 0, 0, NULL }
315 };
316
317 static const struct
318 {
319 uint32_t reg;
320 uint32_t val;
321 } rt2860_def_mac[] =
322 {
323 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
324 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
325 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
326 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
327 { RT2860_REG_SYS_CTRL, 0x00000000 },
328 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
329 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
330 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
331 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
332 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
333 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
334 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
335 { RT2860_REG_LED_CFG, 0x7f031e46 },
336 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
337 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
338 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
339 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
340 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
341 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
342 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
343 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
344 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
345 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
346 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
347 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
348 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
349 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
350 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
351 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
352 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
353 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
354 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
355 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
356 };
357
358 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
359
360 static const struct
361 {
362 uint8_t reg;
363 uint8_t val;
364 } rt2860_def_bbp[] =
365 {
366 { 65, 0x2c },
367 { 66, 0x38 },
368 { 69, 0x12 },
369 { 70, 0x0a },
370 { 73, 0x10 },
371 { 81, 0x37 },
372 { 82, 0x62 },
373 { 83, 0x6a },
374 { 84, 0x99 },
375 { 86, 0x00 },
376 { 91, 0x04 },
377 { 92, 0x00 },
378 { 103, 0x00 },
379 { 105, 0x05 },
380 { 106, 0x35 },
381 };
382
383 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
384
385 SYSCTL_DECL(_hw_rt2860);
386
387 #ifdef RT2860_DEBUG
388 static int rt2860_debug = 0;
389 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
390 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
391 #endif
392
393 /*
394 * rt2860_probe
395 */
396 static int rt2860_probe(device_t dev)
397 {
398 const struct rt2860_pci_ident *ident;
399
400 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
401 {
402 if (pci_get_vendor(dev) == ident->vendor &&
403 pci_get_device(dev) == ident->device)
404 {
405 device_set_desc(dev, ident->name);
406 return 0;
407 }
408 }
409
410 return ENXIO;
411 }
412
413 /*
414 * rt2860_attach
415 */
416 static int rt2860_attach(device_t dev)
417 {
418 struct rt2860_softc *sc;
419 struct ifnet *ifp;
420 struct ieee80211com *ic;
421 int error, ntries, i;
422
423 sc = device_get_softc(dev);
424
425 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
426 {
427 printf("%s: chip is in D%d power mode, setting to D0\n",
428 device_get_nameunit(dev), pci_get_powerstate(dev));
429 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
430 }
431
432 /* enable bus-mastering */
433
434 pci_enable_busmaster(dev);
435
436 sc->dev = dev;
437
438 mtx_init(&sc->lock, device_get_nameunit(dev),
439 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
440
441 sc->mem_rid = PCIR_BAR(0);
442 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
443 &sc->mem_rid, RF_ACTIVE);
444 if (sc->mem == NULL)
445 {
446 printf("%s: could not allocate memory resource\n",
447 device_get_nameunit(dev));
448 error = ENXIO;
449 goto fail;
450 }
451
452 sc->bst = rman_get_bustag(sc->mem);
453 sc->bsh = rman_get_bushandle(sc->mem);
454
455 sc->irq_rid = 0;
456 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
457 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
458 if (sc->irq == NULL)
459 {
460 printf("%s: could not allocate interrupt resource\n",
461 device_get_nameunit(dev));
462 error = ENXIO;
463 goto fail;
464 }
465
466 #ifdef RT2860_DEBUG
467 sc->debug = rt2860_debug;
468
469 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
470 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
471 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
472 #endif
473
474 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
475 "%s: attaching\n",
476 device_get_nameunit(sc->dev));
477
478 /* wait for NIC to initialize */
479
480 for (ntries = 0; ntries < 100; ntries++)
481 {
482 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
483 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
484 break;
485
486 DELAY(10);
487 }
488
489 if (ntries == 100)
490 {
491 printf("%s: timeout waiting for NIC to initialize\n",
492 device_get_nameunit(dev));
493 error = EIO;
494 goto fail;
495 }
496
497 rt2860_read_eeprom(sc);
498
499 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
500 device_get_nameunit(sc->dev), sc->mac_rev,
501 rt2860_rf_name(sc->rf_rev));
502
503 /* allocate Tx and Rx rings */
504
505 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
506 {
507 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
508 if (error != 0)
509 {
510 printf("%s: could not allocate Tx ring #%d\n",
511 device_get_nameunit(sc->dev), i);
512 goto fail;
513 }
514 }
515
516 sc->tx_ring_mgtqid = 5;
517
518 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
519 if (error != 0)
520 {
521 printf("%s: could not allocate Rx ring\n",
522 device_get_nameunit(sc->dev));
523 goto fail;
524 }
525
526 callout_init(&sc->periodic_ch, 0);
527 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
528
529 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
530 if (ifp == NULL)
531 {
532 printf("%s: could not if_alloc()\n",
533 device_get_nameunit(sc->dev));
534 error = ENOMEM;
535 goto fail;
536 }
537
538 ifp->if_softc = sc;
539
540 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
541
542 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
543
544 ifp->if_init = rt2860_init;
545 ifp->if_ioctl = rt2860_ioctl;
546 ifp->if_start = rt2860_start;
547
548 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
549 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
550 IFQ_SET_READY(&ifp->if_snd);
551
552 ic = ifp->if_l2com;
553
554 ic->ic_ifp = ifp;
555
556 ic->ic_phytype = IEEE80211_T_HT;
557 ic->ic_opmode = IEEE80211_M_STA;
558
559 ic->ic_caps = IEEE80211_C_MONITOR |
560 IEEE80211_C_IBSS |
561 IEEE80211_C_STA |
562 IEEE80211_C_AHDEMO |
563 IEEE80211_C_HOSTAP |
564 IEEE80211_C_WDS |
565 IEEE80211_C_MBSS |
566 /* IEEE80211_C_BGSCAN | */
567 IEEE80211_C_TXPMGT |
568 IEEE80211_C_SHPREAMBLE |
569 IEEE80211_C_SHSLOT |
570 IEEE80211_C_TXFRAG |
571 IEEE80211_C_BURST |
572 IEEE80211_C_WME |
573 IEEE80211_C_WPA;
574
575 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
576 IEEE80211_CRYPTO_TKIP |
577 IEEE80211_CRYPTO_TKIPMIC |
578 IEEE80211_CRYPTO_AES_CCM;
579
580 ic->ic_htcaps = IEEE80211_HTC_HT |
581 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
582 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
583 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
584 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
585 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
586 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
587 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
588
589 /* spatial streams */
590
591 if (sc->nrxpath == 2)
592 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
593 else if (sc->nrxpath == 3)
594 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
595 else
596 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
597
598 if (sc->ntxpath > 1)
599 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
600
601 /* delayed BA */
602
603 if (sc->mac_rev != 0x28600100)
604 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
605
606 /* init channels */
607
608 ic->ic_nchans = 0;
609
610 rt2860_init_channels(sc);
611
612 rt2860_init_channels_ht40(sc);
613
614 ieee80211_ifattach(ic, sc->mac_addr);
615
616 ic->ic_vap_create = rt2860_vap_create;
617 ic->ic_vap_delete = rt2860_vap_delete;
618
619 ic->ic_node_alloc = rt2860_node_alloc;
620 ic->ic_setregdomain = rt2860_setregdomain;
621 ic->ic_getradiocaps = rt2860_getradiocaps;
622 ic->ic_scan_start = rt2860_scan_start;
623 ic->ic_scan_end = rt2860_scan_end;
624 ic->ic_set_channel = rt2860_set_channel;
625 ic->ic_newassoc = rt2860_newassoc;
626 ic->ic_updateslot = rt2860_updateslot;
627 ic->ic_update_promisc = rt2860_update_promisc;
628 ic->ic_update_mcast = rt2860_update_mcast;
629 ic->ic_wme.wme_update = rt2860_wme_update;
630 ic->ic_raw_xmit = rt2860_raw_xmit;
631
632 sc->recv_action = ic->ic_recv_action;
633 ic->ic_recv_action = rt2860_recv_action;
634
635 sc->send_action = ic->ic_send_action;
636 ic->ic_send_action = rt2860_send_action;
637
638 /* hardware requires padding between 802.11 frame header and body */
639
640 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
641
642 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
643
644 ieee80211_radiotap_attach(ic,
645 &sc->txtap.ihdr, sizeof(sc->txtap),
646 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
647 &sc->rxtap.ihdr, sizeof(sc->rxtap),
648 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
649
650 /* init task queue */
651
652 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
653 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
654 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
655 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
656
657 sc->rx_process_limit = 100;
658
659 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
660 taskqueue_thread_enqueue, &sc->taskqueue);
661
662 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
663 device_get_nameunit(sc->dev));
664
665 rt2860_sysctl_attach(sc);
666
667 if (bootverbose)
668 ieee80211_announce(ic);
669
670 /* set up interrupt */
671
672 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
673 NULL, rt2860_intr, sc, &sc->irqh);
674 if (error != 0)
675 {
676 printf("%s: could not set up interrupt\n",
677 device_get_nameunit(dev));
678 goto fail;
679 }
680
681 return 0;
682
683 fail:
684
685 /* free Tx and Rx rings */
686
687 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
688 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
689
690 rt2860_free_rx_ring(sc, &sc->rx_ring);
691
692 mtx_destroy(&sc->lock);
693
694 if (sc->mem != NULL)
695 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
696
697 if (sc->irq != NULL)
698 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
699
700 return error;
701 }
702
703 /*
704 * rt2860_detach
705 */
706 static int rt2860_detach(device_t dev)
707 {
708 struct rt2860_softc *sc;
709 struct ifnet *ifp;
710 struct ieee80211com *ic;
711 int i;
712
713 sc = device_get_softc(dev);
714 ifp = sc->ifp;
715 ic = ifp->if_l2com;
716
717 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
718 "%s: detaching\n",
719 device_get_nameunit(sc->dev));
720
721 RT2860_SOFTC_LOCK(sc);
722
723 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
724
725 callout_stop(&sc->periodic_ch);
726 callout_stop(&sc->tx_watchdog_ch);
727
728 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
729 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
730 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
731 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
732
733 /* free Tx and Rx rings */
734
735 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
736 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
737
738 rt2860_free_rx_ring(sc, &sc->rx_ring);
739
740 RT2860_SOFTC_UNLOCK(sc);
741
742 ieee80211_ifdetach(ic);
743
744 if_free(ifp);
745
746 taskqueue_free(sc->taskqueue);
747
748 mtx_destroy(&sc->lock);
749
750 bus_generic_detach(dev);
751
752 bus_teardown_intr(dev, sc->irq, sc->irqh);
753
754 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
755
756 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
757
758 return 0;
759 }
760
761 /*
762 * rt2860_shutdown
763 */
764 static int rt2860_shutdown(device_t dev)
765 {
766 struct rt2860_softc *sc;
767
768 sc = device_get_softc(dev);
769
770 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
771 "%s: shutting down\n",
772 device_get_nameunit(sc->dev));
773
774 rt2860_stop(sc);
775
776 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
777
778 return 0;
779 }
780
781 /*
782 * rt2860_suspend
783 */
784 static int rt2860_suspend(device_t dev)
785 {
786 struct rt2860_softc *sc;
787
788 sc = device_get_softc(dev);
789
790 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
791 "%s: suspending\n",
792 device_get_nameunit(sc->dev));
793
794 rt2860_stop(sc);
795
796 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
797
798 return 0;
799 }
800
801 /*
802 * rt2860_resume
803 */
804 static int rt2860_resume(device_t dev)
805 {
806 struct rt2860_softc *sc;
807 struct ifnet *ifp;
808
809 sc = device_get_softc(dev);
810 ifp = sc->ifp;
811
812 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
813 "%s: resuming\n",
814 device_get_nameunit(sc->dev));
815
816 if (ifp->if_flags & IFF_UP)
817 rt2860_init(sc);
818
819 return 0;
820 }
821
822 /*
823 * rt2860_init_channels
824 */
825 static void rt2860_init_channels(struct rt2860_softc *sc)
826 {
827 struct ifnet *ifp;
828 struct ieee80211com *ic;
829 struct ieee80211_channel *c;
830 int i, flags;
831
832 ifp = sc->ifp;
833 ic = ifp->if_l2com;
834
835 /* set supported channels for 2GHz band */
836
837 for (i = 1; i <= 14; i++)
838 {
839 c = &ic->ic_channels[ic->ic_nchans++];
840 flags = IEEE80211_CHAN_B;
841
842 c->ic_freq = ieee80211_ieee2mhz(i, flags);
843 c->ic_ieee = i;
844 c->ic_flags = flags;
845
846 c = &ic->ic_channels[ic->ic_nchans++];
847 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
848
849 c->ic_freq = ieee80211_ieee2mhz(i, flags);
850 c->ic_ieee = i;
851 c->ic_flags = flags;
852
853 c = &ic->ic_channels[ic->ic_nchans++];
854 flags = IEEE80211_CHAN_G;
855
856 c->ic_freq = ieee80211_ieee2mhz(i, flags);
857 c->ic_ieee = i;
858 c->ic_flags = flags;
859
860 c = &ic->ic_channels[ic->ic_nchans++];
861 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
862
863 c->ic_freq = ieee80211_ieee2mhz(i, flags);
864 c->ic_ieee = i;
865 c->ic_flags = flags;
866 }
867
868 /* set supported channels for 5GHz band */
869
870 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
871 sc->rf_rev == RT2860_EEPROM_RF_2750)
872 {
873 for (i = 36; i <= 64; i += 4)
874 {
875 c = &ic->ic_channels[ic->ic_nchans++];
876 flags = IEEE80211_CHAN_A;
877
878 c->ic_freq = ieee80211_ieee2mhz(i, flags);
879 c->ic_ieee = i;
880 c->ic_flags = flags;
881
882 c = &ic->ic_channels[ic->ic_nchans++];
883 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
884
885 c->ic_freq = ieee80211_ieee2mhz(i, flags);
886 c->ic_ieee = i;
887 c->ic_flags = flags;
888 }
889
890 for (i = 100; i <= 140; i += 4)
891 {
892 c = &ic->ic_channels[ic->ic_nchans++];
893 flags = IEEE80211_CHAN_A;
894
895 c->ic_freq = ieee80211_ieee2mhz(i, flags);
896 c->ic_ieee = i;
897 c->ic_flags = flags;
898
899 c = &ic->ic_channels[ic->ic_nchans++];
900 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
901
902 c->ic_freq = ieee80211_ieee2mhz(i, flags);
903 c->ic_ieee = i;
904 c->ic_flags = flags;
905 }
906
907 for (i = 149; i <= 165; i += 4)
908 {
909 c = &ic->ic_channels[ic->ic_nchans++];
910 flags = IEEE80211_CHAN_A;
911
912 c->ic_freq = ieee80211_ieee2mhz(i, flags);
913 c->ic_ieee = i;
914 c->ic_flags = flags;
915
916 c = &ic->ic_channels[ic->ic_nchans++];
917 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
918
919 c->ic_freq = ieee80211_ieee2mhz(i, flags);
920 c->ic_ieee = i;
921 c->ic_flags = flags;
922 }
923 }
924 }
925
926 /*
927 * rt2860_init_channels_ht40
928 */
929 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
930 {
931 struct ifnet *ifp;
932 struct ieee80211com *ic;
933 struct ieee80211_channel *c, *cent, *ext;
934 int i, flags;
935
936 ifp = sc->ifp;
937 ic = ifp->if_l2com;
938
939 /* set supported channels for 2GHz band */
940
941 for (i = 1; i <= 14; i++)
942 {
943 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
944
945 /* find the center channel */
946
947 cent = ieee80211_find_channel_byieee(ic, i,
948 flags & ~IEEE80211_CHAN_HT);
949 if (cent == NULL)
950 {
951 printf("%s: skip channel %d, could not find center channel\n",
952 device_get_nameunit(sc->dev), i);
953 continue;
954 }
955
956 /* find the extension channel */
957
958 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
959 flags & ~IEEE80211_CHAN_HT);
960 if (ext == NULL)
961 {
962 printf("%s: skip channel %d, could not find extension channel\n",
963 device_get_nameunit(sc->dev), i);
964 continue;
965 }
966
967 c = &ic->ic_channels[ic->ic_nchans++];
968
969 *c = *cent;
970 c->ic_extieee = ext->ic_ieee;
971 c->ic_flags &= ~IEEE80211_CHAN_HT;
972 c->ic_flags |= IEEE80211_CHAN_HT40U;
973
974 c = &ic->ic_channels[ic->ic_nchans++];
975
976 *c = *ext;
977 c->ic_extieee = cent->ic_ieee;
978 c->ic_flags &= ~IEEE80211_CHAN_HT;
979 c->ic_flags |= IEEE80211_CHAN_HT40D;
980 }
981
982 /* set supported channels for 5GHz band */
983
984 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
985 sc->rf_rev == RT2860_EEPROM_RF_2750)
986 {
987 for (i = 36; i <= 64; i += 4)
988 {
989 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
990
991 /* find the center channel */
992
993 cent = ieee80211_find_channel_byieee(ic, i,
994 flags & ~IEEE80211_CHAN_HT);
995 if (cent == NULL)
996 {
997 printf("%s: skip channel %d, could not find center channel\n",
998 device_get_nameunit(sc->dev), i);
999 continue;
1000 }
1001
1002 /* find the extension channel */
1003
1004 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1005 flags & ~IEEE80211_CHAN_HT);
1006 if (ext == NULL)
1007 {
1008 printf("%s: skip channel %d, could not find extension channel\n",
1009 device_get_nameunit(sc->dev), i);
1010 continue;
1011 }
1012
1013 c = &ic->ic_channels[ic->ic_nchans++];
1014
1015 *c = *cent;
1016 c->ic_extieee = ext->ic_ieee;
1017 c->ic_flags &= ~IEEE80211_CHAN_HT;
1018 c->ic_flags |= IEEE80211_CHAN_HT40U;
1019
1020 c = &ic->ic_channels[ic->ic_nchans++];
1021
1022 *c = *ext;
1023 c->ic_extieee = cent->ic_ieee;
1024 c->ic_flags &= ~IEEE80211_CHAN_HT;
1025 c->ic_flags |= IEEE80211_CHAN_HT40D;
1026 }
1027
1028 for (i = 100; i <= 140; i += 4)
1029 {
1030 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1031
1032 /* find the center channel */
1033
1034 cent = ieee80211_find_channel_byieee(ic, i,
1035 flags & ~IEEE80211_CHAN_HT);
1036 if (cent == NULL)
1037 {
1038 printf("%s: skip channel %d, could not find center channel\n",
1039 device_get_nameunit(sc->dev), i);
1040 continue;
1041 }
1042
1043 /* find the extension channel */
1044
1045 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1046 flags & ~IEEE80211_CHAN_HT);
1047 if (ext == NULL)
1048 {
1049 printf("%s: skip channel %d, could not find extension channel\n",
1050 device_get_nameunit(sc->dev), i);
1051 continue;
1052 }
1053
1054 c = &ic->ic_channels[ic->ic_nchans++];
1055
1056 *c = *cent;
1057 c->ic_extieee = ext->ic_ieee;
1058 c->ic_flags &= ~IEEE80211_CHAN_HT;
1059 c->ic_flags |= IEEE80211_CHAN_HT40U;
1060
1061 c = &ic->ic_channels[ic->ic_nchans++];
1062
1063 *c = *ext;
1064 c->ic_extieee = cent->ic_ieee;
1065 c->ic_flags &= ~IEEE80211_CHAN_HT;
1066 c->ic_flags |= IEEE80211_CHAN_HT40D;
1067 }
1068
1069 for (i = 149; i <= 165; i += 4)
1070 {
1071 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1072
1073 /* find the center channel */
1074
1075 cent = ieee80211_find_channel_byieee(ic, i,
1076 flags & ~IEEE80211_CHAN_HT);
1077 if (cent == NULL)
1078 {
1079 printf("%s: skip channel %d, could not find center channel\n",
1080 device_get_nameunit(sc->dev), i);
1081 continue;
1082 }
1083
1084 /* find the extension channel */
1085
1086 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1087 flags & ~IEEE80211_CHAN_HT);
1088 if (ext == NULL)
1089 {
1090 printf("%s: skip channel %d, could not find extension channel\n",
1091 device_get_nameunit(sc->dev), i);
1092 continue;
1093 }
1094
1095 c = &ic->ic_channels[ic->ic_nchans++];
1096
1097 *c = *cent;
1098 c->ic_extieee = ext->ic_ieee;
1099 c->ic_flags &= ~IEEE80211_CHAN_HT;
1100 c->ic_flags |= IEEE80211_CHAN_HT40U;
1101
1102 c = &ic->ic_channels[ic->ic_nchans++];
1103
1104 *c = *ext;
1105 c->ic_extieee = cent->ic_ieee;
1106 c->ic_flags &= ~IEEE80211_CHAN_HT;
1107 c->ic_flags |= IEEE80211_CHAN_HT40D;
1108 }
1109 }
1110 }
1111
1112 /*
1113 * rt2860_init_locked
1114 */
1115 static void rt2860_init_locked(void *priv)
1116 {
1117 struct rt2860_softc *sc;
1118 struct ifnet *ifp;
1119 struct ieee80211com *ic;
1120 int error, i, ntries;
1121 uint32_t tmp, stacnt[6];
1122
1123 sc = priv;
1124 ifp = sc->ifp;
1125 ic = ifp->if_l2com;
1126
1127 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1128 "%s: initializing\n",
1129 device_get_nameunit(sc->dev));
1130
1131 RT2860_SOFTC_ASSERT_LOCKED(sc);
1132
1133 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1134 {
1135 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1136 "%s: loading 8051 microcode\n",
1137 device_get_nameunit(sc->dev));
1138
1139 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1140 if (error != 0)
1141 {
1142 printf("%s: could not load 8051 microcode\n",
1143 device_get_nameunit(sc->dev));
1144 goto fail;
1145 }
1146
1147 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1148 "%s: 8051 microcode was successfully loaded\n",
1149 device_get_nameunit(sc->dev));
1150
1151 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1152 }
1153
1154 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1155
1156 /* disable DMA engine */
1157
1158 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1159
1160 tmp &= 0xff0;
1161 tmp |= RT2860_REG_TX_WB_DDONE;
1162
1163 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1164
1165 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1166
1167 /* PBF hardware reset */
1168
1169 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1170 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1171
1172 /* wait while DMA engine is busy */
1173
1174 for (ntries = 0; ntries < 100; ntries++)
1175 {
1176 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1177 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1178 break;
1179
1180 DELAY(1000);
1181 }
1182
1183 if (ntries == 100)
1184 {
1185 printf("%s: timeout waiting for DMA engine\n",
1186 device_get_nameunit(sc->dev));
1187 goto fail;
1188 }
1189
1190 tmp &= 0xff0;
1191 tmp |= RT2860_REG_TX_WB_DDONE;
1192
1193 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1194
1195 /* reset Rx and Tx rings */
1196
1197 tmp = RT2860_REG_RST_IDX_RX |
1198 RT2860_REG_RST_IDX_TX_MGMT |
1199 RT2860_REG_RST_IDX_TX_HCCA |
1200 RT2860_REG_RST_IDX_TX_AC3 |
1201 RT2860_REG_RST_IDX_TX_AC2 |
1202 RT2860_REG_RST_IDX_TX_AC1 |
1203 RT2860_REG_RST_IDX_TX_AC0;
1204
1205 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1206
1207 /* PBF hardware reset */
1208
1209 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1210 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1211
1212 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1213
1214 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1215 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1216 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1217
1218 /* init Tx power per rate */
1219
1220 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1221 {
1222 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1223 continue;
1224
1225 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1226 sc->txpow_rate_20mhz[i]);
1227 }
1228
1229 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1230 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1231 rt2860_def_mac[i].val);
1232
1233 /* wait while MAC is busy */
1234
1235 for (ntries = 0; ntries < 100; ntries++)
1236 {
1237 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1238 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1239 break;
1240
1241 DELAY(1000);
1242 }
1243
1244 if (ntries == 100)
1245 {
1246 printf("%s: timeout waiting for MAC\n",
1247 device_get_nameunit(sc->dev));
1248 goto fail;
1249 }
1250
1251 /* clear Host to MCU mailbox */
1252
1253 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1254 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1255
1256 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1257 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1258
1259 DELAY(1000);
1260
1261 error = rt2860_init_bbp(sc);
1262 if (error != 0)
1263 goto fail;
1264
1265 /* set up maximum buffer sizes */
1266
1267 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1268
1269 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1270
1271 if (sc->mac_rev == 0x28720200)
1272 {
1273 /* set max. PSDU length from 16K to 32K bytes */
1274
1275 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1276
1277 tmp &= ~(3 << 12);
1278 tmp |= (2 << 12);
1279
1280 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1281 }
1282
1283 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1284 {
1285 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1286
1287 tmp &= 0xfff;
1288 tmp |= 0x2000;
1289
1290 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1291 }
1292
1293 /* set mac address */
1294
1295 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1296
1297 /* clear statistic registers */
1298
1299 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1300 stacnt, sizeof(stacnt));
1301
1302 /* set RTS threshold */
1303
1304 rt2860_asic_update_rtsthreshold(sc);
1305
1306 /* set Tx power */
1307
1308 rt2860_asic_update_txpower(sc);
1309
1310 /* set up protection mode */
1311
1312 rt2860_asic_updateprot(sc);
1313
1314 /* clear key tables */
1315
1316 rt2860_asic_clear_keytables(sc);
1317
1318 taskqueue_unblock(sc->taskqueue);
1319
1320 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1321
1322 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1323 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1324
1325 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1326 {
1327 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1328 sc->tx_ring[i].desc_phys_addr);
1329 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1330 RT2860_SOFTC_TX_RING_DESC_COUNT);
1331 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1332 }
1333
1334 /* init Rx ring */
1335
1336 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1337
1338 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1339 sc->rx_ring.desc_phys_addr);
1340 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1341 RT2860_SOFTC_RX_RING_DATA_COUNT);
1342 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1343 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1344
1345 /* wait while DMA engine is busy */
1346
1347 for (ntries = 0; ntries < 100; ntries++)
1348 {
1349 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1350 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1351 break;
1352
1353 DELAY(1000);
1354 }
1355
1356 if (ntries == 100)
1357 {
1358 printf("%s: timeout waiting for DMA engine\n",
1359 device_get_nameunit(sc->dev));
1360 goto fail;
1361 }
1362
1363 tmp &= 0xff0;
1364 tmp |= RT2860_REG_TX_WB_DDONE;
1365
1366 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1367
1368 /* disable interrupts mitigation */
1369
1370 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1371
1372 /* send LEDs operating mode to microcontroller */
1373
1374 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1375 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1376 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1377 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1378 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1379 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1380
1381 /* turn radio LED on */
1382
1383 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1384
1385 /* write vendor-specific BBP values (from EEPROM) */
1386
1387 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1388 {
1389 if (sc->bbp_eeprom[i].reg == 0x00 ||
1390 sc->bbp_eeprom[i].reg == 0xff)
1391 continue;
1392
1393 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1394 sc->bbp_eeprom[i].val);
1395 }
1396
1397 /*
1398 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1399 if (tmp & (1 << 2))
1400 {
1401 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1402 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1403 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1404
1405 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1406 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1407 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1408 }
1409 */
1410
1411 /* disable non-existing Rx chains */
1412
1413 tmp = rt2860_io_bbp_read(sc, 3);
1414
1415 tmp &= ~((1 << 4) | (1 << 3));
1416
1417 if (sc->nrxpath == 3)
1418 tmp |= (1 << 4);
1419 else if (sc->nrxpath == 2)
1420 tmp |= (1 << 3);
1421
1422 rt2860_io_bbp_write(sc, 3, tmp);
1423
1424 /* disable non-existing Tx chains */
1425
1426 tmp = rt2860_io_bbp_read(sc, 1);
1427
1428 if (sc->ntxpath == 1)
1429 tmp &= ~((1 << 4) | (1 << 3));
1430
1431 rt2860_io_bbp_write(sc, 1, tmp);
1432
1433 /* set current channel */
1434
1435 rt2860_rf_set_chan(sc, ic->ic_curchan);
1436
1437 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1438 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1439 (48 << 16) | 96);
1440
1441 if ((sc->mac_rev & 0xffff) != 0x0101)
1442 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1443
1444 /* clear pending interrupts */
1445
1446 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1447
1448 /* enable interrupts */
1449
1450 tmp = RT2860_REG_INT_TX_COHERENT |
1451 RT2860_REG_INT_RX_COHERENT |
1452 RT2860_REG_INT_GP_TIMER |
1453 RT2860_REG_INT_AUTO_WAKEUP |
1454 RT2860_REG_INT_FIFO_STA_FULL |
1455 /*
1456 RT2860_REG_INT_PRE_TBTT |
1457 RT2860_REG_INT_TBTT |
1458 */
1459 RT2860_REG_INT_TXRX_COHERENT |
1460 RT2860_REG_INT_MCU_CMD |
1461 RT2860_REG_INT_TX_MGMT_DONE |
1462 RT2860_REG_INT_TX_HCCA_DONE |
1463 RT2860_REG_INT_TX_AC3_DONE |
1464 RT2860_REG_INT_TX_AC2_DONE |
1465 RT2860_REG_INT_TX_AC1_DONE |
1466 RT2860_REG_INT_TX_AC0_DONE |
1467 RT2860_REG_INT_RX_DONE;
1468
1469 sc->intr_enable_mask = tmp;
1470
1471 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1472
1473 if (rt2860_txrx_enable(sc) != 0)
1474 goto fail;
1475
1476 /* clear garbage interrupts */
1477
1478 tmp = rt2860_io_mac_read(sc, 0x1300);
1479
1480 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1481 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1482
1483 sc->periodic_round = 0;
1484
1485 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1486
1487 return;
1488
1489 fail:
1490
1491 rt2860_stop_locked(sc);
1492 }
1493
1494 /*
1495 * rt2860_init
1496 */
1497 static void rt2860_init(void *priv)
1498 {
1499 struct rt2860_softc *sc;
1500
1501 sc = priv;
1502
1503 RT2860_SOFTC_LOCK(sc);
1504
1505 rt2860_init_locked(sc);
1506
1507 RT2860_SOFTC_UNLOCK(sc);
1508 }
1509
1510 /*
1511 * rt2860_init_bbp
1512 */
1513 static int rt2860_init_bbp(struct rt2860_softc *sc)
1514 {
1515 int ntries, i;
1516 uint8_t tmp;
1517
1518 for (ntries = 0; ntries < 20; ntries++)
1519 {
1520 tmp = rt2860_io_bbp_read(sc, 0);
1521 if (tmp != 0x00 && tmp != 0xff)
1522 break;
1523 }
1524
1525 if (tmp == 0x00 || tmp == 0xff)
1526 {
1527 printf("%s: timeout waiting for BBP to wakeup\n",
1528 device_get_nameunit(sc->dev));
1529 return ETIMEDOUT;
1530 }
1531
1532 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1533 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1534 rt2860_def_bbp[i].val);
1535
1536 if ((sc->mac_rev & 0xffff) != 0x0101)
1537 rt2860_io_bbp_write(sc, 84, 0x19);
1538
1539 if (sc->mac_rev == 0x28600100)
1540 {
1541 rt2860_io_bbp_write(sc, 69, 0x16);
1542 rt2860_io_bbp_write(sc, 73, 0x12);
1543 }
1544
1545 return 0;
1546 }
1547
1548 /*
1549 * rt2860_stop_locked
1550 */
1551 static void rt2860_stop_locked(void *priv)
1552 {
1553 struct rt2860_softc *sc;
1554 struct ifnet *ifp;
1555 struct ieee80211com *ic;
1556 uint32_t tmp;
1557
1558 sc = priv;
1559 ifp = sc->ifp;
1560 ic = ifp->if_l2com;
1561
1562 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1563 "%s: stopping\n",
1564 device_get_nameunit(sc->dev));
1565
1566 RT2860_SOFTC_ASSERT_LOCKED(sc);
1567
1568 sc->tx_timer = 0;
1569
1570 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1571 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1572
1573 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1574
1575 callout_stop(&sc->periodic_ch);
1576 callout_stop(&sc->tx_watchdog_ch);
1577
1578 RT2860_SOFTC_UNLOCK(sc);
1579
1580 taskqueue_block(sc->taskqueue);
1581
1582 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1583 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1584 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1585 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1586
1587 RT2860_SOFTC_LOCK(sc);
1588
1589 /* clear key tables */
1590
1591 rt2860_asic_clear_keytables(sc);
1592
1593 /* disable interrupts */
1594
1595 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1596
1597 /* disable Tx/Rx */
1598
1599 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1600
1601 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1602
1603 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1604
1605 /* reset adapter */
1606
1607 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1608 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1609 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1610 }
1611
1612 /*
1613 * rt2860_stop
1614 */
1615 static void rt2860_stop(void *priv)
1616 {
1617 struct rt2860_softc *sc;
1618
1619 sc = priv;
1620
1621 RT2860_SOFTC_LOCK(sc);
1622
1623 rt2860_stop_locked(sc);
1624
1625 RT2860_SOFTC_UNLOCK(sc);
1626 }
1627
1628 /*
1629 * rt2860_start
1630 */
1631 static void rt2860_start(struct ifnet *ifp)
1632 {
1633 struct rt2860_softc *sc;
1634 struct ieee80211_node *ni;
1635 struct mbuf *m;
1636 int qid;
1637
1638 sc = ifp->if_softc;
1639
1640 RT2860_SOFTC_LOCK(sc);
1641
1642 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1643 {
1644 RT2860_SOFTC_UNLOCK(sc);
1645 return;
1646 }
1647
1648 for (;;)
1649 {
1650 IF_POLL(&ifp->if_snd, m);
1651 if (m == NULL)
1652 break;
1653
1654 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1655
1656 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1657
1658 qid = M_WME_GETAC(m);
1659
1660 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1661 {
1662 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1663 "%s: if_start: Tx ring with qid=%d is full\n",
1664 device_get_nameunit(sc->dev), qid);
1665
1666 m_freem(m);
1667 ieee80211_free_node(ni);
1668 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1669 ifp->if_oerrors++;
1670 break;
1671 }
1672
1673 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1674 {
1675 ieee80211_free_node(ni);
1676 ifp->if_oerrors++;
1677 break;
1678 }
1679
1680 rt2860_drain_fifo_stats(sc);
1681
1682 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1683
1684 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1685 }
1686
1687 RT2860_SOFTC_UNLOCK(sc);
1688 }
1689
1690 /*
1691 * rt2860_ioctl
1692 */
1693 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1694 {
1695 struct rt2860_softc *sc;
1696 struct ieee80211com *ic;
1697 struct ifreq *ifr;
1698 int error, startall;
1699
1700 sc = ifp->if_softc;
1701 ic = ifp->if_l2com;
1702 ifr = (struct ifreq *) data;
1703
1704 error = 0;
1705
1706 switch (cmd)
1707 {
1708 case SIOCSIFFLAGS:
1709 startall = 0;
1710
1711 RT2860_SOFTC_LOCK(sc);
1712
1713 if (ifp->if_flags & IFF_UP)
1714 {
1715 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1716 {
1717 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1718 rt2860_asic_update_promisc(sc);
1719 }
1720 else
1721 {
1722 rt2860_init_locked(sc);
1723 startall = 1;
1724 }
1725 }
1726 else
1727 {
1728 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1729 rt2860_stop_locked(sc);
1730 }
1731
1732 sc->if_flags = ifp->if_flags;
1733
1734 RT2860_SOFTC_UNLOCK(sc);
1735
1736 if (startall)
1737 ieee80211_start_all(ic);
1738 break;
1739
1740 case SIOCGIFMEDIA:
1741 case SIOCSIFMEDIA:
1742 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1743 break;
1744
1745 case SIOCGIFADDR:
1746 error = ether_ioctl(ifp, cmd, data);
1747 break;
1748
1749 default:
1750 error = EINVAL;
1751 break;
1752 }
1753
1754 return error;
1755 }
1756
1757 /*
1758 * rt2860_vap_create
1759 */
1760 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1761 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1762 const uint8_t bssid[IEEE80211_ADDR_LEN],
1763 const uint8_t mac[IEEE80211_ADDR_LEN])
1764 {
1765 struct rt2860_softc *sc;
1766 struct ifnet *ifp;
1767 struct rt2860_softc_vap *rvap;
1768 struct ieee80211vap *vap;
1769
1770 ifp = ic->ic_ifp;
1771 sc = ifp->if_softc;
1772
1773 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1774 "%s: VAP create: opmode=%s\n",
1775 device_get_nameunit(sc->dev),
1776 ieee80211_opmode_name[opmode]);
1777
1778 switch (opmode)
1779 {
1780 case IEEE80211_M_MONITOR:
1781 case IEEE80211_M_IBSS:
1782 case IEEE80211_M_STA:
1783 case IEEE80211_M_AHDEMO:
1784 case IEEE80211_M_HOSTAP:
1785 case IEEE80211_M_MBSS:
1786 if (!TAILQ_EMPTY(&ic->ic_vaps))
1787 {
1788 if_printf(ifp, "only 1 VAP supported\n");
1789 return NULL;
1790 }
1791
1792 if (opmode == IEEE80211_M_STA)
1793 flags |= IEEE80211_CLONE_NOBEACONS;
1794 break;
1795
1796 case IEEE80211_M_WDS:
1797 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1798 {
1799 if_printf(ifp, "WDS only supported in AP mode\n");
1800 return NULL;
1801 }
1802
1803 flags &= ~IEEE80211_CLONE_BSSID;
1804 break;
1805
1806 default:
1807 if_printf(ifp, "unknown opmode %d\n", opmode);
1808 return NULL;
1809 }
1810
1811 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1812 M_80211_VAP, M_NOWAIT | M_ZERO);
1813 if (rvap == NULL)
1814 return NULL;
1815
1816 vap = &rvap->vap;
1817
1818 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1819
1820 rvap->newstate = vap->iv_newstate;
1821 vap->iv_newstate = rt2860_vap_newstate;
1822
1823 vap->iv_reset = rt2860_vap_reset;
1824 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1825 vap->iv_key_update_end = rt2860_vap_key_update_end;
1826 vap->iv_key_set = rt2860_vap_key_set;
1827 vap->iv_key_delete = rt2860_vap_key_delete;
1828 vap->iv_update_beacon = rt2860_vap_update_beacon;
1829
1830 rt2860_amrr_init(&rvap->amrr, vap,
1831 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1832 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1833 500);
1834
1835 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1836
1837 ic->ic_opmode = opmode;
1838
1839 return vap;
1840 }
1841
1842 /*
1843 * rt2860_vap_delete
1844 */
1845 static void rt2860_vap_delete(struct ieee80211vap *vap)
1846 {
1847 struct rt2860_softc *sc;
1848 struct ieee80211com *ic;
1849 struct ifnet *ifp;
1850 struct rt2860_softc_vap *rvap;
1851
1852 ic = vap->iv_ic;
1853 ifp = ic->ic_ifp;
1854 sc = ifp->if_softc;
1855 rvap = (struct rt2860_softc_vap *) vap;
1856
1857 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1858 "%s: VAP delete: opmode=%s\n",
1859 device_get_nameunit(sc->dev),
1860 ieee80211_opmode_name[vap->iv_opmode]);
1861
1862 rt2860_amrr_cleanup(&rvap->amrr);
1863
1864 ieee80211_vap_detach(vap);
1865
1866 free(rvap, M_80211_VAP);
1867 }
1868
1869 /*
1870 * rt2860_reset_vap
1871 */
1872 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1873 {
1874 struct rt2860_softc *sc;
1875 struct ieee80211com *ic;
1876 struct ifnet *ifp;
1877 struct rt2860_softc_vap *rvap;
1878 int error;
1879
1880 ic = vap->iv_ic;
1881 ifp = ic->ic_ifp;
1882 sc = ifp->if_softc;
1883 rvap = (struct rt2860_softc_vap *) vap;
1884
1885 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1886 "%s: VAP reset: cmd=%lu\n",
1887 device_get_nameunit(sc->dev), cmd);
1888
1889 error = 0;
1890
1891 switch (cmd)
1892 {
1893 case IEEE80211_IOC_RTSTHRESHOLD:
1894 rt2860_asic_update_rtsthreshold(sc);
1895 break;
1896
1897 case IEEE80211_IOC_PROTMODE:
1898 case IEEE80211_IOC_HTPROTMODE:
1899 rt2860_asic_updateprot(sc);
1900 break;
1901
1902 case IEEE80211_IOC_TXPOWER:
1903 rt2860_asic_update_txpower(sc);
1904 break;
1905
1906 case IEEE80211_IOC_SHORTGI:
1907 case IEEE80211_IOC_AMPDU_DENSITY:
1908 break;
1909
1910 default:
1911 error = ENETRESET;
1912 break;
1913 }
1914
1915 return error;
1916 }
1917
1918 /*
1919 * rt2860_vap_newstate
1920 */
1921 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1922 enum ieee80211_state nstate, int arg)
1923 {
1924 struct rt2860_softc *sc;
1925 struct ieee80211com *ic;
1926 struct ifnet *ifp;
1927 struct rt2860_softc_vap *rvap;
1928 struct ieee80211_node *ni;
1929 enum ieee80211_state ostate;
1930 int error;
1931
1932 ic = vap->iv_ic;
1933 ifp = ic->ic_ifp;
1934 sc = ifp->if_softc;
1935 rvap = (struct rt2860_softc_vap *) vap;
1936
1937 ostate = vap->iv_state;
1938
1939 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1940 "%s: VAP newstate: %s -> %s\n",
1941 device_get_nameunit(sc->dev),
1942 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1943
1944 error = rvap->newstate(vap, nstate, arg);
1945 if (error != 0)
1946 return error;
1947
1948 IEEE80211_UNLOCK(ic);
1949
1950 RT2860_SOFTC_LOCK(sc);
1951
1952 /* turn link LED off */
1953
1954 if (nstate != IEEE80211_S_RUN)
1955 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1956
1957 switch (nstate)
1958 {
1959 case IEEE80211_S_INIT:
1960 rt2860_asic_disable_tsf_sync(sc);
1961 break;
1962
1963 case IEEE80211_S_RUN:
1964 ni = vap->iv_bss;
1965
1966 rt2860_rf_set_chan(sc, ni->ni_chan);
1967
1968 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1969 {
1970 rt2860_asic_enable_mrr(sc);
1971 rt2860_asic_set_txpreamble(sc);
1972 rt2860_asic_set_basicrates(sc);
1973 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1974 }
1975
1976 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1977 vap->iv_opmode == IEEE80211_M_IBSS ||
1978 vap->iv_opmode == IEEE80211_M_MBSS)
1979 {
1980 error = rt2860_asic_update_beacon(sc, vap);
1981 if (error != 0)
1982 break;
1983 }
1984
1985 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1986 rt2860_asic_enable_tsf_sync(sc);
1987
1988 /* turn link LED on */
1989
1990 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1991 {
1992 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1993 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1994 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1995 }
1996 break;
1997
1998 default:
1999 break;
2000 }
2001
2002 RT2860_SOFTC_UNLOCK(sc);
2003
2004 IEEE80211_LOCK(ic);
2005
2006 return error;
2007 }
2008
2009 /*
2010 * rt2860_vap_key_update_begin
2011 */
2012 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2013 {
2014 struct rt2860_softc *sc;
2015 struct ieee80211com *ic;
2016 struct ifnet *ifp;
2017
2018 ic = vap->iv_ic;
2019 ifp = ic->ic_ifp;
2020 sc = ifp->if_softc;
2021
2022 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2023 "%s: VAP key update begin\n",
2024 device_get_nameunit(sc->dev));
2025
2026 taskqueue_block(sc->taskqueue);
2027
2028 IF_LOCK(&ifp->if_snd);
2029 }
2030
2031 /*
2032 * rt2860_vap_key_update_end
2033 */
2034 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2035 {
2036 struct rt2860_softc *sc;
2037 struct ieee80211com *ic;
2038 struct ifnet *ifp;
2039
2040 ic = vap->iv_ic;
2041 ifp = ic->ic_ifp;
2042 sc = ifp->if_softc;
2043
2044 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2045 "%s: VAP key update end\n",
2046 device_get_nameunit(sc->dev));
2047
2048 IF_UNLOCK(&ifp->if_snd);
2049
2050 taskqueue_unblock(sc->taskqueue);
2051 }
2052
2053 /*
2054 * rt2860_vap_key_set
2055 */
2056 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2057 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2058 {
2059 struct rt2860_softc *sc;
2060 struct ieee80211com *ic;
2061 struct ifnet *ifp;
2062 struct ieee80211_node *ni;
2063 uint16_t associd, key_base, keymode_base;
2064 uint8_t mode, vapid, wcid, iv[8];
2065 uint32_t tmp;
2066
2067 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2068 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2069 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2070 return EINVAL;
2071
2072 ic = vap->iv_ic;
2073 ifp = ic->ic_ifp;
2074 sc = ifp->if_softc;
2075
2076 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2077 ni = vap->iv_bss;
2078 else
2079 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2080
2081 associd = (ni != NULL) ? ni->ni_associd : 0;
2082
2083 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2084 ieee80211_free_node(ni);
2085
2086 switch (k->wk_cipher->ic_cipher)
2087 {
2088 case IEEE80211_CIPHER_WEP:
2089 if(k->wk_keylen < 8)
2090 mode = RT2860_REG_CIPHER_MODE_WEP40;
2091 else
2092 mode = RT2860_REG_CIPHER_MODE_WEP104;
2093 break;
2094
2095 case IEEE80211_CIPHER_TKIP:
2096 mode = RT2860_REG_CIPHER_MODE_TKIP;
2097 break;
2098
2099 case IEEE80211_CIPHER_AES_CCM:
2100 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2101 break;
2102
2103 default:
2104 return EINVAL;
2105 }
2106
2107 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2108 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2109 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2110 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2111
2112 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2113 {
2114 /* install pairwise key */
2115
2116 vapid = 0;
2117 wcid = RT2860_AID2WCID(associd);
2118 key_base = RT2860_REG_PKEY(wcid);
2119
2120 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2121 {
2122 memset(iv, 0, 8);
2123
2124 iv[3] = (k->wk_keyix << 6);
2125 }
2126 else
2127 {
2128 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2129 {
2130 iv[0] = (k->wk_keytsc >> 8);
2131 iv[1] = ((iv[0] | 0x20) & 0x7f);
2132 iv[2] = k->wk_keytsc;
2133 }
2134 else
2135 {
2136 /* AES CCMP */
2137
2138 iv[0] = k->wk_keytsc;
2139 iv[1] = k->wk_keytsc >> 8;
2140 iv[2] = 0;
2141 }
2142
2143 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2144 iv[4] = (k->wk_keytsc >> 16);
2145 iv[5] = (k->wk_keytsc >> 24);
2146 iv[6] = (k->wk_keytsc >> 32);
2147 iv[7] = (k->wk_keytsc >> 40);
2148
2149 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2150 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2151 device_get_nameunit(sc->dev),
2152 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2153 }
2154
2155 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2156
2157 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2158 {
2159 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2160
2161 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2162 {
2163 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2164 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2165 }
2166 else
2167 {
2168 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2169 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2170 }
2171 }
2172 else
2173 {
2174 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2175 }
2176
2177 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2178 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2179
2180 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2181 }
2182
2183 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2184 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2185 {
2186 /* install group key */
2187
2188 vapid = 0;
2189 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2190 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2191
2192 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2193 {
2194 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2195
2196 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2197 {
2198 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2199 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2200 }
2201 else
2202 {
2203 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2204 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2205 }
2206 }
2207 else
2208 {
2209 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2210 }
2211
2212 tmp = rt2860_io_mac_read(sc, keymode_base);
2213
2214 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2215 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2216
2217 rt2860_io_mac_write(sc, keymode_base, tmp);
2218 }
2219
2220 return 1;
2221 }
2222
2223 /*
2224 * rt2860_vap_key_delete
2225 */
2226 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2227 const struct ieee80211_key *k)
2228 {
2229 struct rt2860_softc *sc;
2230 struct ieee80211com *ic;
2231 struct ifnet *ifp;
2232 struct ieee80211_node *ni;
2233 uint16_t associd;
2234 uint8_t vapid, wcid;
2235 uint32_t tmp;
2236
2237 ic = vap->iv_ic;
2238 ifp = ic->ic_ifp;
2239 sc = ifp->if_softc;
2240 ni = vap->iv_bss;
2241 associd = (ni != NULL) ? ni->ni_associd : 0;
2242
2243 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2244 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2245 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2246 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2247
2248 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2249 {
2250 /* remove pairwise key */
2251
2252 wcid = RT2860_AID2WCID(associd);
2253
2254 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID_ATTR(wcid));
2255
2256 tmp &= ~0xf;
2257 tmp |= (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT);
2258
2259 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2260 }
2261 else
2262 {
2263 /* remove group key */
2264
2265 vapid = 0;
2266
2267 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2268
2269 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2270 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2271
2272 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2273 }
2274
2275 return 1;
2276 }
2277
2278 /*
2279 * rt2860_vap_update_beacon
2280 */
2281 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2282 {
2283 struct rt2860_softc *sc;
2284 struct ieee80211com *ic;
2285 struct ifnet *ifp;
2286
2287 ic = vap->iv_ic;
2288 ifp = ic->ic_ifp;
2289 sc = ifp->if_softc;
2290
2291 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2292 "%s: VAP update beacon\n",
2293 device_get_nameunit(sc->dev));
2294
2295 rt2860_asic_update_beacon(sc, vap);
2296 }
2297
2298 /*
2299 * rt2860_media_change
2300 */
2301 static int rt2860_media_change(struct ifnet *ifp)
2302 {
2303 int error;
2304
2305 error = ieee80211_media_change(ifp);
2306
2307 return (error == ENETRESET ? 0 : error);
2308 }
2309
2310 /*
2311 * rt2860_node_alloc
2312 */
2313 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2314 const uint8_t mac[IEEE80211_ADDR_LEN])
2315 {
2316 return malloc(sizeof(struct rt2860_softc_node),
2317 M_80211_NODE, M_NOWAIT | M_ZERO);
2318 }
2319
2320 /*
2321 * rt2860_setregdomain
2322 */
2323 static int rt2860_setregdomain(struct ieee80211com *ic,
2324 struct ieee80211_regdomain *reg,
2325 int nchans, struct ieee80211_channel chans[])
2326 {
2327 struct rt2860_softc *sc;
2328 struct ifnet *ifp;
2329
2330 ifp = ic->ic_ifp;
2331 sc = ifp->if_softc;
2332
2333 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2334 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2335 device_get_nameunit(sc->dev),
2336 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2337
2338 return 0;
2339 }
2340
2341 /*
2342 * rt2860_getradiocaps
2343 */
2344 static void rt2860_getradiocaps(struct ieee80211com *ic,
2345 int maxchans, int *nchans, struct ieee80211_channel chans[])
2346 {
2347 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2348
2349 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2350 }
2351
2352 /*
2353 * rt2860_scan_start
2354 */
2355 static void rt2860_scan_start(struct ieee80211com *ic)
2356 {
2357 struct rt2860_softc *sc;
2358 struct ifnet *ifp;
2359
2360 ifp = ic->ic_ifp;
2361 sc = ifp->if_softc;
2362
2363 rt2860_asic_disable_tsf_sync(sc);
2364 }
2365
2366 /*
2367 * rt2860_scan_end
2368 */
2369 static void rt2860_scan_end(struct ieee80211com *ic)
2370 {
2371 struct rt2860_softc *sc;
2372 struct ifnet *ifp;
2373
2374 ifp = ic->ic_ifp;
2375 sc = ifp->if_softc;
2376
2377 rt2860_asic_enable_tsf_sync(sc);
2378 }
2379
2380 /*
2381 * rt2860_set_channel
2382 */
2383 static void rt2860_set_channel(struct ieee80211com *ic)
2384 {
2385 struct rt2860_softc *sc;
2386 struct ifnet *ifp;
2387
2388 ifp = ic->ic_ifp;
2389 sc = ifp->if_softc;
2390
2391 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2392 "%s: set channel: channel=%u, HT%s%s\n",
2393 device_get_nameunit(sc->dev),
2394 ieee80211_chan2ieee(ic, ic->ic_curchan),
2395 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2396 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2397 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2398 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2399
2400 RT2860_SOFTC_LOCK(sc);
2401
2402 rt2860_rf_set_chan(sc, ic->ic_curchan);
2403
2404 RT2860_SOFTC_UNLOCK(sc);
2405 }
2406
2407 /*
2408 * rt2860_newassoc
2409 */
2410 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2411 {
2412 struct rt2860_softc *sc;
2413 struct ieee80211com *ic;
2414 struct ifnet *ifp;
2415 struct ieee80211vap *vap;
2416 struct rt2860_softc_vap *rvap;
2417 uint16_t associd;
2418 uint8_t wcid;
2419
2420 vap = ni->ni_vap;
2421 ic = vap->iv_ic;
2422 ifp = ic->ic_ifp;
2423 sc = ifp->if_softc;
2424 rvap = (struct rt2860_softc_vap *) vap;
2425
2426 associd = (ni != NULL) ? ni->ni_associd : 0;
2427 wcid = RT2860_AID2WCID(associd);
2428
2429 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2430 "%s: new association: wcid=0x%02x, "
2431 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2432 device_get_nameunit(sc->dev), wcid,
2433 ether_sprintf(ni->ni_macaddr),
2434 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2435 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2436 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2437
2438 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2439 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2440
2441 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2442
2443 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2444 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2445 device_get_nameunit(sc->dev),
2446 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2447 ni->ni_associd, ni->ni_txrate,
2448 (ni->ni_flags & IEEE80211_NODE_HT) ?
2449 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2450 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2451
2452 rt2860_asic_updateprot(sc);
2453 rt2860_asic_updateslot(sc);
2454 rt2860_asic_set_txpreamble(sc);
2455 }
2456
2457 /*
2458 * rt2860_updateslot
2459 */
2460 static void rt2860_updateslot(struct ifnet *ifp)
2461 {
2462 struct rt2860_softc *sc;
2463
2464 sc = ifp->if_softc;
2465
2466 rt2860_asic_updateslot(sc);
2467 }
2468
2469 /*
2470 * rt2860_update_promisc
2471 */
2472 static void rt2860_update_promisc(struct ifnet *ifp)
2473 {
2474 struct rt2860_softc *sc;
2475
2476 sc = ifp->if_softc;
2477
2478 rt2860_asic_update_promisc(sc);
2479 }
2480
2481 /*
2482 * rt2860_update_mcast
2483 */
2484 static void rt2860_update_mcast(struct ifnet *ifp)
2485 {
2486 struct rt2860_softc *sc;
2487
2488 sc = ifp->if_softc;
2489 }
2490
2491 /*
2492 * rt2860_wme_update
2493 */
2494 static int rt2860_wme_update(struct ieee80211com *ic)
2495 {
2496 struct rt2860_softc *sc;
2497 struct ifnet *ifp;
2498
2499 ifp = ic->ic_ifp;
2500 sc = ifp->if_softc;
2501
2502 rt2860_asic_wme_update(sc);
2503
2504 return 0;
2505 }
2506
2507 /*
2508 * rt2860_raw_xmit
2509 */
2510 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2511 const struct ieee80211_bpf_params *params)
2512 {
2513 struct rt2860_softc *sc;
2514 struct ieee80211com *ic;
2515 struct ifnet *ifp;
2516
2517 ic = ni->ni_ic;
2518 ifp = ic->ic_ifp;
2519 sc = ifp->if_softc;
2520
2521 RT2860_SOFTC_LOCK(sc);
2522
2523 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2524 {
2525 RT2860_SOFTC_UNLOCK(sc);
2526 m_freem(m);
2527 ieee80211_free_node(ni);
2528 return ENETDOWN;
2529 }
2530
2531 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2532 {
2533 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2534 "%s: raw xmit: Tx ring with qid=%d is full\n",
2535 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2536
2537 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2538 RT2860_SOFTC_UNLOCK(sc);
2539 m_freem(m);
2540 ieee80211_free_node(ni);
2541 return ENOBUFS;
2542 }
2543
2544 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2545 {
2546 ifp->if_oerrors++;
2547 RT2860_SOFTC_UNLOCK(sc);
2548 ieee80211_free_node(ni);
2549 return EIO;
2550 }
2551
2552 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2553
2554 RT2860_SOFTC_UNLOCK(sc);
2555
2556 return 0;
2557 }
2558
2559 /*
2560 * rt2860_recv_action
2561 */
2562 static int rt2860_recv_action(struct ieee80211_node *ni,
2563 const struct ieee80211_frame *wh,
2564 const uint8_t *frm, const uint8_t *efrm)
2565 {
2566 struct rt2860_softc *sc;
2567 struct ieee80211com *ic;
2568 struct ifnet *ifp;
2569 const struct ieee80211_action *ia;
2570 uint16_t associd, baparamset;
2571 uint8_t wcid;
2572 int ret, tid;
2573 uint32_t tmp;
2574
2575 ic = ni->ni_ic;
2576 ifp = ic->ic_ifp;
2577 sc = ifp->if_softc;
2578
2579 ia = (const struct ieee80211_action *) frm;
2580
2581 ret = sc->recv_action(ni, wh, frm, efrm);
2582
2583 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2584 return ret;
2585
2586 associd = (ni != NULL) ? ni->ni_associd : 0;
2587 wcid = RT2860_AID2WCID(associd);
2588
2589 switch (ia->ia_action)
2590 {
2591 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2592 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2593 baparamset = LE_READ_2(frm + 3);
2594 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2595
2596 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2597 "%s: adding A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2598 device_get_nameunit(sc->dev), associd, tid);
2599
2600 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2601
2602 tmp |= (0x10000 << tid);
2603
2604 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2605 break;
2606
2607 /* IEEE80211_ACTION_BA_DELBA */
2608 case IEEE80211_ACTION_BA_DELBA:
2609 baparamset = LE_READ_2(frm + 2);
2610 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2611
2612 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2613 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2614 device_get_nameunit(sc->dev), associd, tid);
2615
2616 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2617
2618 tmp &= ~(0x10000 << tid);
2619
2620 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2621 break;
2622 }
2623
2624 return ret;
2625 }
2626
2627 /*
2628 * rt2860_send_action
2629 */
2630 static int rt2860_send_action(struct ieee80211_node *ni,
2631 int cat, int act, void *sa)
2632 {
2633 struct rt2860_softc *sc;
2634 struct ieee80211com *ic;
2635 struct ifnet *ifp;
2636 uint16_t associd, *args, baparamset;
2637 uint8_t wcid;
2638 int ret, tid;
2639 uint32_t tmp;
2640
2641 ic = ni->ni_ic;
2642 ifp = ic->ic_ifp;
2643 sc = ifp->if_softc;
2644
2645 ret = sc->send_action(ni, cat, act, sa);
2646
2647 if (cat != IEEE80211_ACTION_CAT_BA)
2648 return ret;
2649
2650 associd = (ni != NULL) ? ni->ni_associd : 0;
2651 wcid = RT2860_AID2WCID(associd);
2652 args = sa;
2653
2654 switch (act)
2655 {
2656 /* IEEE80211_ACTION_BA_DELBA */
2657 case IEEE80211_ACTION_BA_DELBA:
2658 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2659
2660 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2661 break;
2662
2663 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2664
2665 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2666 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2667 device_get_nameunit(sc->dev), associd, tid);
2668
2669 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2670
2671 tmp &= ~(0x10000 << tid);
2672
2673 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2674 break;
2675 }
2676
2677 return ret;
2678 }
2679
2680 /*
2681 * rt2860_amrr_update_iter_func
2682 */
2683 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2684 {
2685 struct rt2860_softc *sc;
2686 struct ieee80211com *ic;
2687 struct ifnet *ifp;
2688 struct ieee80211vap *vap;
2689 struct rt2860_softc_vap *rvap;
2690 uint8_t wcid;
2691
2692 vap = arg;
2693 ic = vap->iv_ic;
2694 ifp = ic->ic_ifp;
2695 sc = ifp->if_softc;
2696 rvap = (struct rt2860_softc_vap *) vap;
2697
2698 /* only associated stations */
2699
2700 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2701 {
2702 wcid = RT2860_AID2WCID(ni->ni_associd);
2703
2704 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2705
2706 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2707 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2708 device_get_nameunit(sc->dev),
2709 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2710 ni->ni_associd, ni->ni_txrate,
2711 (ni->ni_flags & IEEE80211_NODE_HT) ?
2712 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2713 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2714 }
2715 }
2716
2717 /*
2718 * rt2860_periodic
2719 */
2720 static void rt2860_periodic(void *arg)
2721 {
2722 struct rt2860_softc *sc;
2723
2724 sc = arg;
2725
2726 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2727 "%s: periodic\n",
2728 device_get_nameunit(sc->dev));
2729
2730 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2731 }
2732
2733 /*
2734 * rt2860_tx_watchdog
2735 */
2736 static void rt2860_tx_watchdog(void *arg)
2737 {
2738 struct rt2860_softc *sc;
2739 struct ifnet *ifp;
2740
2741 sc = arg;
2742 ifp = sc->ifp;
2743
2744 if (sc->tx_timer == 0)
2745 return;
2746
2747 if (--sc->tx_timer == 0)
2748 {
2749 printf("%s: Tx watchdog timeout: resetting\n",
2750 device_get_nameunit(sc->dev));
2751
2752 rt2860_stop_locked(sc);
2753 rt2860_init_locked(sc);
2754
2755 ifp->if_oerrors++;
2756
2757 sc->tx_watchdog_timeouts++;
2758 }
2759
2760 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2761 }
2762
2763 /*
2764 * rt2860_asic_set_bssid
2765 */
2766 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2767 const uint8_t *bssid)
2768 {
2769 uint32_t tmp;
2770
2771 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2772 "%s: set bssid: bssid=%s\n",
2773 device_get_nameunit(sc->dev),
2774 ether_sprintf(bssid));
2775
2776 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2777
2778 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2779
2780 tmp = bssid[4] | (bssid[5] << 8);
2781
2782 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2783 }
2784
2785 /*
2786 * rt2860_asic_set_macaddr
2787 */
2788 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2789 const uint8_t *addr)
2790 {
2791 uint32_t tmp;
2792
2793 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2794
2795 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2796
2797 tmp = addr[4] | (addr[5] << 8);
2798
2799 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2800 }
2801
2802 /*
2803 * rt2860_asic_enable_tsf_sync
2804 */
2805 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2806 {
2807 struct ifnet *ifp;
2808 struct ieee80211com *ic;
2809 struct ieee80211vap *vap;
2810 uint32_t tmp;
2811
2812 ifp = sc->ifp;
2813 ic = ifp->if_l2com;
2814 vap = TAILQ_FIRST(&ic->ic_vaps);
2815
2816 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2817 "%s: enabling TSF\n",
2818 device_get_nameunit(sc->dev));
2819
2820 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2821
2822 tmp &= ~0x1fffff;
2823 tmp |= vap->iv_bss->ni_intval * 16;
2824 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2825
2826 if (vap->iv_opmode == IEEE80211_M_STA)
2827 {
2828 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2829 }
2830 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2831 {
2832 tmp |= RT2860_REG_BCN_TX_ENABLE;
2833 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2834 }
2835 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2836 {
2837 tmp |= RT2860_REG_BCN_TX_ENABLE;
2838 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2839 }
2840
2841 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2842 }
2843
2844 /*
2845 * rt2860_asic_disable_tsf_sync
2846 */
2847 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2848 {
2849 uint32_t tmp;
2850
2851 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2852 "%s: disabling TSF\n",
2853 device_get_nameunit(sc->dev));
2854
2855 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2856
2857 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2858 RT2860_REG_TSF_TIMER_ENABLE |
2859 RT2860_REG_TBTT_TIMER_ENABLE);
2860
2861 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2862 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2863
2864 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2865 }
2866
2867 /*
2868 * rt2860_asic_enable_mrr
2869 */
2870 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2871 {
2872 #define CCK(mcs) (mcs)
2873 #define OFDM(mcs) ((1 << 3) | (mcs))
2874 #define HT(mcs) (mcs)
2875
2876 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2877 (OFDM(6) << 28) | /* 54 -> 48 */
2878 (OFDM(5) << 24) | /* 48 -> 36 */
2879 (OFDM(4) << 20) | /* 36 -> 24 */
2880 (OFDM(3) << 16) | /* 24 -> 18 */
2881 (OFDM(2) << 12) | /* 18 -> 12 */
2882 (OFDM(1) << 8) | /* 12 -> 9 */
2883 (OFDM(0) << 4) | /* 9 -> 6 */
2884 OFDM(0)); /* 6 -> 6 */
2885
2886 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2887 (CCK(2) << 12) | /* 11 -> 5.5 */
2888 (CCK(1) << 8) | /* 5.5 -> 2 */
2889 (CCK(0) << 4) | /* 2 -> 1 */
2890 CCK(0)); /* 1 -> 1 */
2891
2892 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2893 (HT(6) << 28) |
2894 (HT(5) << 24) |
2895 (HT(4) << 20) |
2896 (HT(3) << 16) |
2897 (HT(2) << 12) |
2898 (HT(1) << 8) |
2899 (HT(0) << 4) |
2900 HT(0));
2901
2902 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2903 (HT(14) << 28) |
2904 (HT(13) << 24) |
2905 (HT(12) << 20) |
2906 (HT(11) << 16) |
2907 (HT(10) << 12) |
2908 (HT(9) << 8) |
2909 (HT(8) << 4) |
2910 HT(8));
2911
2912 #undef HT
2913 #undef OFDM
2914 #undef CCK
2915 }
2916
2917 /*
2918 * rt2860_asic_set_txpreamble
2919 */
2920 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2921 {
2922 struct ifnet *ifp;
2923 struct ieee80211com *ic;
2924 uint32_t tmp;
2925
2926 ifp = sc->ifp;
2927 ic = ifp->if_l2com;
2928
2929 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2930 "%s: %s short Tx preamble\n",
2931 device_get_nameunit(sc->dev),
2932 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2933
2934 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2935
2936 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2937
2938 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2939 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2940
2941 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2942 }
2943
2944 /*
2945 * rt2860_asic_set_basicrates
2946 */
2947 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2948 {
2949 struct ifnet *ifp;
2950 struct ieee80211com *ic;
2951
2952 ifp = sc->ifp;
2953 ic = ifp->if_l2com;
2954
2955 if (ic->ic_curmode == IEEE80211_MODE_11B)
2956 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2957 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2958 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2959 else
2960 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2961 }
2962
2963 /*
2964 * rt2860_asic_update_rtsthreshold
2965 */
2966 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2967 {
2968 struct ifnet *ifp;
2969 struct ieee80211com *ic;
2970 struct ieee80211vap *vap;
2971 uint32_t tmp;
2972 uint16_t threshold;
2973
2974 ifp = sc->ifp;
2975 ic = ifp->if_l2com;
2976 vap = TAILQ_FIRST(&ic->ic_vaps);
2977
2978 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2979 "%s: updating RTS threshold: %d\n",
2980 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
2981
2982 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2983
2984 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2985
2986 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
2987 vap->iv_rtsthreshold : 0x1000;
2988
2989 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2990 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2991
2992 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2993 }
2994
2995 /*
2996 * rt2860_asic_update_txpower
2997 */
2998 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2999 {
3000 struct ifnet *ifp;
3001 struct ieee80211com *ic;
3002 uint32_t *txpow_rate;
3003 int8_t delta;
3004 uint8_t val;
3005 uint32_t tmp;
3006 int i;
3007
3008 ifp = sc->ifp;
3009 ic = ifp->if_l2com;
3010
3011 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3012 "%s: updating Tx power: %d\n",
3013 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3014
3015 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3016 {
3017 txpow_rate = sc->txpow_rate_20mhz;
3018 }
3019 else
3020 {
3021 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3022 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3023 else
3024 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3025 }
3026
3027 delta = 0;
3028
3029 val = rt2860_io_bbp_read(sc, 1);
3030 val &= 0xfc;
3031
3032 if (ic->ic_txpowlimit > 90)
3033 {
3034 /* do nothing */
3035 }
3036 else if (ic->ic_txpowlimit > 60)
3037 {
3038 delta -= 1;
3039 }
3040 else if (ic->ic_txpowlimit > 30)
3041 {
3042 delta -= 3;
3043 }
3044 else if (ic->ic_txpowlimit > 15)
3045 {
3046 val |= 0x1;
3047 }
3048 else if (ic->ic_txpowlimit > 9)
3049 {
3050 val |= 0x1;
3051 delta -= 3;
3052 }
3053 else
3054 {
3055 val |= 0x2;
3056 }
3057
3058 rt2860_io_bbp_write(sc, 1, val);
3059
3060 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3061 {
3062 if (txpow_rate[i] == 0xffffffff)
3063 continue;
3064
3065 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3066
3067 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3068 }
3069 }
3070
3071 /*
3072 * rt2860_asic_update_promisc
3073 */
3074 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3075 {
3076 struct ifnet *ifp;
3077 uint32_t tmp;
3078
3079 ifp = sc->ifp;
3080
3081 printf("%s: %s promiscuous mode\n",
3082 device_get_nameunit(sc->dev),
3083 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3084
3085 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3086
3087 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3088
3089 if (!(ifp->if_flags & IFF_PROMISC))
3090 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3091
3092 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3093 }
3094
3095 /*
3096 * rt2860_asic_updateprot
3097 */
3098 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3099 {
3100 struct ifnet *ifp;
3101 struct ieee80211com *ic;
3102 struct ieee80211vap *vap;
3103 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3104 uint8_t htopmode;
3105
3106 ifp = sc->ifp;
3107 ic = ifp->if_l2com;
3108 vap = TAILQ_FIRST(&ic->ic_vaps);
3109
3110 /* CCK frame protection */
3111
3112 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3113 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3114
3115 /* set up protection frame phy mode and rate (MCS code) */
3116
3117 if (ic->ic_curmode == IEEE80211_MODE_11A)
3118 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3119 (0 << RT2860_REG_PROT_MCS_SHIFT);
3120 else
3121 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3122 (3 << RT2860_REG_PROT_MCS_SHIFT));
3123
3124 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3125
3126 /* OFDM frame protection */
3127
3128 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3129 RT2860_REG_TXOP_ALLOW_ALL;
3130
3131 if (ic->ic_flags & IEEE80211_F_USEPROT)
3132 {
3133 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3134 "%s: updating protection mode: b/g protection mode=%s\n",
3135 device_get_nameunit(sc->dev),
3136 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3137 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3138
3139 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3140 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3141 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3142 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3143 else
3144 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3145 }
3146 else
3147 {
3148 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3149 "%s: updating protection mode: b/g protection mode=%s\n",
3150 device_get_nameunit(sc->dev), "none");
3151
3152 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3153 }
3154
3155 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3156
3157 /* HT frame protection */
3158
3159 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3160 htopmode = vap->iv_bss->ni_htopmode;
3161 else
3162 htopmode = ic->ic_curhtprotmode;
3163
3164 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3165 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3166 device_get_nameunit(sc->dev),
3167 htopmode & IEEE80211_HTINFO_OPMODE,
3168 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3169 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3170
3171 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3172 {
3173 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3174 case IEEE80211_HTINFO_OPMODE_HT20PR:
3175 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3176 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3177 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3178 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3179 (4 << RT2860_REG_PROT_MCS_SHIFT);
3180
3181 gf20_prot = mm20_prot;
3182
3183 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3184 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3185 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3186
3187 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3188 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3189 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3190 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3191 else
3192 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3193
3194 gf40_prot = mm40_prot;
3195 break;
3196
3197 /* IEEE80211_HTINFO_OPMODE_MIXED */
3198 case IEEE80211_HTINFO_OPMODE_MIXED:
3199 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3200 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3201 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3202
3203 if (ic->ic_flags & IEEE80211_F_USEPROT)
3204 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3205 (3 << RT2860_REG_PROT_MCS_SHIFT);
3206 else
3207 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3208 (4 << RT2860_REG_PROT_MCS_SHIFT);
3209
3210 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3211 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3212 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3213 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3214 else
3215 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3216
3217 gf20_prot = mm20_prot;
3218
3219 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3220
3221 if (ic->ic_flags & IEEE80211_F_USEPROT)
3222 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3223 (3 << RT2860_REG_PROT_MCS_SHIFT);
3224 else
3225 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3226 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3227
3228 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3229 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3230 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3231 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3232 else
3233 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3234
3235 gf40_prot = mm40_prot;
3236 break;
3237
3238 /*
3239 * IEEE80211_HTINFO_OPMODE_PURE
3240 * IEEE80211_HTINFO_OPMODE_PROTOPT
3241 */
3242 case IEEE80211_HTINFO_OPMODE_PURE:
3243 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3244 default:
3245 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3246 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3247 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3248 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3249 (4 << RT2860_REG_PROT_MCS_SHIFT);
3250
3251 gf20_prot = mm20_prot;
3252
3253 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3254 RT2860_REG_TXOP_ALLOW_ALL |
3255 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3256 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3257
3258 gf40_prot = mm40_prot;
3259 break;
3260 }
3261
3262 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3263 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3264 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3265 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3266 }
3267
3268 /*
3269 * rt2860_asic_updateslot
3270 */
3271 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3272 {
3273 struct ifnet *ifp;
3274 struct ieee80211com *ic;
3275 uint32_t tmp;
3276
3277 ifp = sc->ifp;
3278 ic = ifp->if_l2com;
3279
3280 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3281 "%s: %s short slot time\n",
3282 device_get_nameunit(sc->dev),
3283 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3284
3285 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3286
3287 tmp &= ~0xff;
3288 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3289
3290 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3291 }
3292
3293 /*
3294 * rt2860_asic_wme_update
3295 */
3296 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3297 {
3298 struct ifnet *ifp;
3299 struct ieee80211com *ic;
3300 struct ieee80211_wme_state *wme;
3301 const struct wmeParams *wmep;
3302 int i;
3303
3304 ifp = sc->ifp;
3305 ic = ifp->if_l2com;
3306 wme = &ic->ic_wme;
3307 wmep = wme->wme_chanParams.cap_wmeParams;
3308
3309 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3310 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3311 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3312 device_get_nameunit(sc->dev),
3313 wmep[WME_AC_VO].wmep_aifsn,
3314 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3315 wmep[WME_AC_VO].wmep_txopLimit,
3316 wmep[WME_AC_VI].wmep_aifsn,
3317 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3318 wmep[WME_AC_VI].wmep_txopLimit,
3319 wmep[WME_AC_BK].wmep_aifsn,
3320 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3321 wmep[WME_AC_BK].wmep_txopLimit,
3322 wmep[WME_AC_BE].wmep_aifsn,
3323 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3324 wmep[WME_AC_BE].wmep_txopLimit);
3325
3326 for (i = 0; i < WME_NUM_AC; i++)
3327 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3328 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3329 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3330
3331 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3332 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3333 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3334
3335 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3336 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3337 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3338
3339 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3340 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3341 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3342
3343 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3344 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3345
3346 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3347 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3348 }
3349
3350 /*
3351 * rt2860_asic_update_beacon
3352 */
3353 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3354 struct ieee80211vap *vap)
3355 {
3356 struct ifnet *ifp;
3357 struct ieee80211com *ic;
3358 struct rt2860_softc_vap *rvap;
3359 const struct ieee80211_txparam *tp;
3360 struct mbuf *m;
3361 struct rt2860_txwi txwi;
3362 uint8_t rate, mcs;
3363 uint32_t tmp;
3364
3365 ifp = sc->ifp;
3366 ic = ifp->if_l2com;
3367 rvap = (struct rt2860_softc_vap *) vap;
3368 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3369
3370 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3371 if (m == NULL)
3372 return ENOMEM;
3373
3374 rate = tp->mgmtrate;
3375 mcs = rt2860_rate2mcs(rate);
3376
3377 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3378
3379 txwi.wcid = 0xff;
3380 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3381 RT2860_TXWI_MPDU_LEN_SHIFT);
3382 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3383 txwi.mpdu_density_flags |=
3384 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3385 txwi.bawin_size_xflags |=
3386 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3387
3388 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3389 {
3390 txwi.phymode_ifs_stbc_shortgi =
3391 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3392
3393 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3394 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3395 }
3396 else
3397 {
3398 txwi.phymode_ifs_stbc_shortgi =
3399 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3400 }
3401
3402 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3403 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3404
3405 /* disable temporarily TSF sync */
3406
3407 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3408
3409 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3410 RT2860_REG_TSF_TIMER_ENABLE |
3411 RT2860_REG_TBTT_TIMER_ENABLE);
3412
3413 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3414
3415 /* write Tx wireless info and beacon frame to on-chip memory */
3416
3417 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3418 &txwi, sizeof(struct rt2860_txwi));
3419
3420 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3421 mtod(m, uint8_t *), m->m_pkthdr.len);
3422
3423 /* enable again TSF sync */
3424
3425 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3426
3427 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3428 RT2860_REG_TSF_TIMER_ENABLE |
3429 RT2860_REG_TBTT_TIMER_ENABLE);
3430
3431 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3432
3433 m_freem(m);
3434
3435 return 0;
3436 }
3437
3438 /*
3439 * rt2860_asic_clear_keytables
3440 */
3441 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3442 {
3443 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3444
3445 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID(0), 0, 2 * 256);
3446
3447 /* clear WCID attribute table (entries = 256, entry size = 4) */
3448
3449 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3450
3451 /* clear IV/EIV table (entries = 256, entry size = 8) */
3452
3453 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3454
3455 /* clear pairwise key table (entries = 256, entry size = 32) */
3456
3457 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3458
3459 /* clear shared key table (entries = 32, entry size = 32) */
3460
3461 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3462
3463 /* clear shared key mode (entries = 32, entry size = 2) */
3464
3465 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3466 }
3467
3468 /*
3469 * rt2860_rxrate
3470 */
3471 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3472 {
3473 uint8_t mcs, phymode;
3474 uint8_t rate;
3475
3476 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3477 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3478 RT2860_RXWI_PHYMODE_MASK;
3479
3480 rate = 2;
3481
3482 switch (phymode)
3483 {
3484 case RT2860_RXWI_PHYMODE_CCK:
3485 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3486 {
3487 case 0: rate = 2; break; /* 1 Mbps */
3488 case 1: rate = 4; break; /* 2 MBps */
3489 case 2: rate = 11; break; /* 5.5 Mbps */
3490 case 3: rate = 22; break; /* 11 Mbps */
3491 }
3492 break;
3493
3494 case RT2860_RXWI_PHYMODE_OFDM:
3495 switch (mcs)
3496 {
3497 case 0: rate = 12; break; /* 6 Mbps */
3498 case 1: rate = 18; break; /* 9 Mbps */
3499 case 2: rate = 24; break; /* 12 Mbps */
3500 case 3: rate = 36; break; /* 18 Mbps */
3501 case 4: rate = 48; break; /* 24 Mbps */
3502 case 5: rate = 72; break; /* 36 Mbps */
3503 case 6: rate = 96; break; /* 48 Mbps */
3504 case 7: rate = 108; break; /* 54 Mbps */
3505 }
3506 break;
3507
3508 case RT2860_RXWI_PHYMODE_HT_MIXED:
3509 case RT2860_RXWI_PHYMODE_HT_GF:
3510 break;
3511 }
3512
3513 return rate;
3514 }
3515
3516 /*
3517 * rt2860_maxrssi_rxpath
3518 */
3519 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3520 const struct rt2860_rxwi *rxwi)
3521 {
3522 uint8_t rxpath;
3523
3524 rxpath = 0;
3525
3526 if (sc->nrxpath > 1)
3527 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3528 rxpath = 1;
3529
3530 if (sc->nrxpath > 2)
3531 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3532 rxpath = 2;
3533
3534 return rxpath;
3535 }
3536
3537 /*
3538 * rt2860_rssi2dbm
3539 */
3540 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3541 uint8_t rssi, uint8_t rxpath)
3542 {
3543 struct ifnet *ifp;
3544 struct ieee80211com *ic;
3545 struct ieee80211_channel *c;
3546 int chan;
3547 int8_t rssi_off, lna_gain;
3548
3549 if (rssi == 0)
3550 return -99;
3551
3552 ifp = sc->ifp;
3553 ic = ifp->if_l2com;
3554 c = ic->ic_curchan;
3555 chan = ieee80211_chan2ieee(ic, c);
3556
3557 if (IEEE80211_IS_CHAN_5GHZ(c))
3558 {
3559 rssi_off = sc->rssi_off_5ghz[rxpath];
3560
3561 if (chan <= 64)
3562 lna_gain = sc->lna_gain[1];
3563 else if (chan <= 128)
3564 lna_gain = sc->lna_gain[2];
3565 else
3566 lna_gain = sc->lna_gain[3];
3567 }
3568 else
3569 {
3570 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3571 lna_gain = sc->lna_gain[0];
3572 }
3573
3574 return (-12 - rssi_off - lna_gain - rssi);
3575 }
3576
3577 /*
3578 * rt2860_rate2mcs
3579 */
3580 static uint8_t rt2860_rate2mcs(uint8_t rate)
3581 {
3582 switch (rate)
3583 {
3584 /* CCK rates */
3585 case 2: return 0;
3586 case 4: return 1;
3587 case 11: return 2;
3588 case 22: return 3;
3589
3590 /* OFDM rates */
3591 case 12: return 0;
3592 case 18: return 1;
3593 case 24: return 2;
3594 case 36: return 3;
3595 case 48: return 4;
3596 case 72: return 5;
3597 case 96: return 6;
3598 case 108: return 7;
3599 }
3600
3601 return 0;
3602 }
3603
3604 /*
3605 * rt2860_tx_mgmt
3606 */
3607 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3608 struct mbuf *m, struct ieee80211_node *ni, int qid)
3609 {
3610 struct ifnet *ifp;
3611 struct ieee80211com *ic;
3612 struct ieee80211vap *vap;
3613 const struct ieee80211_txparam *tp;
3614 struct rt2860_softc_node *rni;
3615 struct rt2860_softc_tx_ring *ring;
3616 struct rt2860_softc_tx_data *data;
3617 struct rt2860_txdesc *desc;
3618 struct rt2860_txwi *txwi;
3619 struct ieee80211_frame *wh;
3620 struct rt2860_softc_tx_radiotap_header *tap;
3621 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3622 u_int hdrsize, hdrspace;
3623 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3624 uint16_t len, dmalen, mpdu_len, dur;
3625 int error, ndmasegs, ndescs, i, j;
3626
3627 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3628 ("%s: Tx MGMT: invalid qid=%d\n",
3629 device_get_nameunit(sc->dev), qid));
3630
3631 ifp = sc->ifp;
3632 ic = ifp->if_l2com;
3633 vap = ni->ni_vap;
3634 rni = (struct rt2860_softc_node *) ni;
3635 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
3636
3637 ring = &sc->tx_ring[qid];
3638 desc = &ring->desc[ring->desc_cur];
3639 data = &ring->data[ring->data_cur];
3640 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3641
3642 wh = mtod(m, struct ieee80211_frame *);
3643
3644 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3645
3646 /* fill Tx wireless info */
3647
3648 if (ni->ni_flags & IEEE80211_NODE_HT)
3649 mcs = rate;
3650 else
3651 mcs = rt2860_rate2mcs(rate);
3652
3653 pid = mcs;
3654
3655 /* calculate MPDU length without padding */
3656
3657 hdrsize = ieee80211_hdrsize(wh);
3658 hdrspace = ieee80211_hdrspace(ic, wh);
3659 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3660
3661 memset(txwi, 0, sizeof(struct rt2860_txwi));
3662
3663 /* management frames do not need encryption */
3664
3665 txwi->wcid = 0xff;
3666
3667 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3668 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3669 RT2860_TXWI_MPDU_LEN_SHIFT);
3670
3671 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3672
3673 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3674 (ni->ni_flags & IEEE80211_NODE_HT);
3675
3676 txwi->phymode_ifs_stbc_shortgi |=
3677 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3678 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3679
3680 if (ni->ni_flags & IEEE80211_NODE_HT)
3681 {
3682 txwi->phymode_ifs_stbc_shortgi |=
3683 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3684 }
3685 else
3686 {
3687 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3688 {
3689 txwi->phymode_ifs_stbc_shortgi |=
3690 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3691
3692 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3693 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3694 }
3695 else
3696 {
3697 txwi->phymode_ifs_stbc_shortgi |=
3698 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3699 }
3700 }
3701
3702 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3703 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3704
3705 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3706
3707 /* skip ACKs for multicast frames and probe responses */
3708
3709 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3710 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3711 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3712 {
3713 txwi->bawin_size_xflags |=
3714 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3715
3716 if (ni->ni_flags & IEEE80211_NODE_HT)
3717 {
3718 /* preamble + plcp + signal extension */
3719
3720 dur = 16 + 4 + 6;
3721 }
3722 else
3723 {
3724 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3725 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3726 }
3727
3728 *(uint16_t *) wh->i_dur = htole16(dur);
3729 }
3730
3731 /* ask MAC to insert timestamp into probe responses */
3732
3733 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3734 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3735 txwi->mpdu_density_flags |=
3736 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3737
3738 if (ieee80211_radiotap_active_vap(vap))
3739 {
3740 tap = &sc->txtap;
3741
3742 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3743 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3744 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3745 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3746 tap->chan_maxpow = 0;
3747
3748 if (ni->ni_flags & IEEE80211_NODE_HT)
3749 tap->rate = mcs | IEEE80211_RATE_MCS;
3750 else
3751 tap->rate = rate;
3752
3753 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3754 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3755
3756 if (shortgi)
3757 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3758
3759 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3760 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3761
3762 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3763 {
3764 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3765
3766 ieee80211_radiotap_tx(vap, m);
3767
3768 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3769 }
3770 else
3771 {
3772 ieee80211_radiotap_tx(vap, m);
3773 }
3774 }
3775
3776 /* copy and trim 802.11 header */
3777
3778 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3779 m_adj(m, hdrspace);
3780
3781 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3782 dma_seg, &ndmasegs, 0);
3783 if (error != 0)
3784 {
3785 /* too many fragments, linearize */
3786
3787 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3788 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3789 device_get_nameunit(sc->dev));
3790
3791 m = m_defrag(m, M_DONTWAIT);
3792 if (m == NULL)
3793 return ENOMEM;
3794
3795 sc->tx_defrag_packets++;
3796
3797 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3798 dma_seg, &ndmasegs, 0);
3799 if (error != 0)
3800 {
3801 printf("%s: could not load mbuf DMA map: error=%d\n",
3802 device_get_nameunit(sc->dev), error);
3803 m_freem(m);
3804 return error;
3805 }
3806 }
3807
3808 /* determine how many Tx descs are required */
3809
3810 ndescs = 1 + ndmasegs / 2;
3811 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3812 {
3813 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3814 "%s: there are not enough Tx descs\n",
3815 device_get_nameunit(sc->dev));
3816
3817 sc->no_tx_desc_avail++;
3818
3819 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3820 m_freem(m);
3821 return EFBIG;
3822 }
3823
3824 data->m = m;
3825 data->ni = ni;
3826
3827 /* set up Tx descs */
3828
3829 /* first segment is Tx wireless info and 802.11 header */
3830
3831 len = sizeof(struct rt2860_txwi) + hdrsize;
3832
3833 /* align end on a 4-bytes boundary */
3834
3835 dmalen = (len + 3) & ~ 3;
3836
3837 memset((caddr_t) txwi + len, 0, dmalen - len);
3838
3839 qsel = RT2860_TXDESC_QSEL_EDCA;
3840
3841 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3842 desc->sdl0 = htole16(dmalen);
3843 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3844
3845 /* set up payload segments */
3846
3847 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3848 {
3849 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3850 desc->sdl1 = htole16(dma_seg[j].ds_len);
3851
3852 ring->desc_queued++;
3853 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3854
3855 j++;
3856
3857 desc = &ring->desc[ring->desc_cur];
3858
3859 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3860 desc->sdl0 = htole16(dma_seg[j].ds_len);
3861 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3862
3863 j++;
3864 }
3865
3866 /* finalize last payload segment */
3867
3868 if (i > 0)
3869 {
3870 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3871 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3872 }
3873 else
3874 {
3875 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3876 desc->sdl1 = 0;
3877 }
3878
3879 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3880 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3881 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3882 device_get_nameunit(sc->dev),
3883 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3884 stbc, shortgi, mcs, dmalen, ndmasegs,
3885 dma_seg[0].ds_len, dma_seg[1].ds_len, dma_seg[2].ds_len, dma_seg[3].ds_len, dma_seg[4].ds_len);
3886
3887 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3888 BUS_DMASYNC_PREWRITE);
3889 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3890 BUS_DMASYNC_PREWRITE);
3891 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3892 BUS_DMASYNC_PREWRITE);
3893
3894 ring->desc_queued++;
3895 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3896
3897 ring->data_queued++;
3898 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3899
3900 /* kick Tx */
3901
3902 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3903
3904 return 0;
3905 }
3906
3907 /*
3908 * rt2860_tx_data
3909 */
3910 static int rt2860_tx_data(struct rt2860_softc *sc,
3911 struct mbuf *m, struct ieee80211_node *ni, int qid)
3912 {
3913 struct ifnet *ifp;
3914 struct ieee80211com *ic;
3915 struct ieee80211vap *vap;
3916 const struct ieee80211_txparam *tp;
3917 struct rt2860_softc_node *rni;
3918 struct rt2860_softc_tx_ring *ring;
3919 struct rt2860_softc_tx_data *data;
3920 struct rt2860_txdesc *desc;
3921 struct rt2860_txwi *txwi;
3922 struct ieee80211_frame *wh;
3923 struct rt2860_softc_tx_radiotap_header *tap;
3924 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3925 u_int hdrsize, hdrspace;
3926 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, qsel;
3927 uint16_t qos, len, dmalen, mpdu_len, dur;
3928 int error, hasqos, ndmasegs, ndescs, i, j;
3929
3930 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3931 ("%s: Tx data: invalid qid=%d\n",
3932 device_get_nameunit(sc->dev), qid));
3933
3934 ifp = sc->ifp;
3935 ic = ifp->if_l2com;
3936 vap = ni->ni_vap;
3937 rni = (struct rt2860_softc_node *) ni;
3938 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
3939
3940 ring = &sc->tx_ring[qid];
3941 desc = &ring->desc[ring->desc_cur];
3942 data = &ring->data[ring->data_cur];
3943 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3944
3945 wh = mtod(m, struct ieee80211_frame *);
3946
3947 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3948
3949 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3950 if (hasqos)
3951 {
3952 if (IEEE80211_HAS_ADDR4(wh))
3953 qos = le16toh(*(const uint16_t *)
3954 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3955 else
3956 qos = le16toh(*(const uint16_t *)
3957 (((struct ieee80211_qosframe *) wh)->i_qos));
3958 }
3959 else
3960 {
3961 qos = 0;
3962 }
3963
3964 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
3965 rate = tp->mcastrate;
3966 else if (m->m_flags & M_EAPOL)
3967 rate = tp->mgmtrate;
3968 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
3969 rate = tp->ucastrate;
3970 else
3971 rate = ni->ni_txrate;
3972
3973 rate &= IEEE80211_RATE_VAL;
3974
3975 /* fill Tx wireless info */
3976
3977 if (ni->ni_flags & IEEE80211_NODE_HT)
3978 mcs = rate;
3979 else
3980 mcs = rt2860_rate2mcs(rate);
3981
3982 pid = mcs;
3983
3984 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3985 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3986
3987 /* calculate MPDU length without padding */
3988
3989 hdrsize = ieee80211_hdrsize(wh);
3990 hdrspace = ieee80211_hdrspace(ic, wh);
3991 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3992
3993 memset(txwi, 0, sizeof(struct rt2860_txwi));
3994
3995 txwi->wcid = wcid;
3996
3997 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3998 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3999 RT2860_TXWI_MPDU_LEN_SHIFT);
4000
4001 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4002
4003 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4004 (ni->ni_flags & IEEE80211_NODE_HT);
4005
4006 txwi->phymode_ifs_stbc_shortgi |=
4007 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4008 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4009
4010 if (ni->ni_flags & IEEE80211_NODE_HT)
4011 {
4012 txwi->phymode_ifs_stbc_shortgi |=
4013 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4014 }
4015 else
4016 {
4017 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4018 {
4019 txwi->phymode_ifs_stbc_shortgi |=
4020 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4021
4022 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4023 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4024 }
4025 else
4026 {
4027 txwi->phymode_ifs_stbc_shortgi |=
4028 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4029 }
4030 }
4031
4032 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4033 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
4034 bw = RT2860_TXWI_BW_40;
4035 else
4036 bw = RT2860_TXWI_BW_20;
4037
4038 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4039 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4040
4041 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4042
4043 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4044 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4045 {
4046 txwi->bawin_size_xflags |=
4047 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4048
4049 if (ni->ni_flags & IEEE80211_NODE_HT)
4050 {
4051 /* preamble + plcp + signal extension */
4052
4053 dur = 16 + 4 + 6;
4054 }
4055 else
4056 {
4057 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4058 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4059 }
4060
4061 *(uint16_t *) wh->i_dur = htole16(dur);
4062 }
4063
4064 /* ask MAC to insert timestamp into probe responses */
4065
4066 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4067 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4068 txwi->mpdu_density_flags |=
4069 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4070
4071 if (ieee80211_radiotap_active_vap(vap))
4072 {
4073 tap = &sc->txtap;
4074
4075 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4076 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4077 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4078 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4079 tap->chan_maxpow = 0;
4080
4081 if (ni->ni_flags & IEEE80211_NODE_HT)
4082 tap->rate = mcs | IEEE80211_RATE_MCS;
4083 else
4084 tap->rate = rate;
4085
4086 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4087 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4088
4089 if (shortgi)
4090 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4091
4092 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4093 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4094
4095 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4096 {
4097 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4098
4099 ieee80211_radiotap_tx(vap, m);
4100
4101 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4102 }
4103 else
4104 {
4105 ieee80211_radiotap_tx(vap, m);
4106 }
4107 }
4108
4109 /* copy and trim 802.11 header */
4110
4111 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4112 m_adj(m, hdrspace);
4113
4114 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4115 dma_seg, &ndmasegs, 0);
4116 if (error != 0)
4117 {
4118 /* too many fragments, linearize */
4119
4120 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4121 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
4122 device_get_nameunit(sc->dev));
4123
4124 m = m_defrag(m, M_DONTWAIT);
4125 if (m == NULL)
4126 return ENOMEM;
4127
4128 sc->tx_defrag_packets++;
4129
4130 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4131 dma_seg, &ndmasegs, 0);
4132 if (error != 0)
4133 {
4134 printf("%s: could not load mbuf DMA map: error=%d\n",
4135 device_get_nameunit(sc->dev), error);
4136 m_freem(m);
4137 return error;
4138 }
4139 }
4140
4141 /* determine how many Tx descs are required */
4142
4143 ndescs = 1 + ndmasegs / 2;
4144 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4145 {
4146 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4147 "%s: there are not enough Tx descs\n",
4148 device_get_nameunit(sc->dev));
4149
4150 sc->no_tx_desc_avail++;
4151
4152 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4153 m_freem(m);
4154 return EFBIG;
4155 }
4156
4157 data->m = m;
4158 data->ni = ni;
4159
4160 /* set up Tx descs */
4161
4162 /* first segment is Tx wireless info and 802.11 header */
4163
4164 len = sizeof(struct rt2860_txwi) + hdrsize;
4165
4166 /* align end on a 4-bytes boundary */
4167
4168 dmalen = (len + 3) & ~ 3;
4169
4170 memset((caddr_t) txwi + len, 0, dmalen - len);
4171
4172 qsel = RT2860_TXDESC_QSEL_EDCA;
4173
4174 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4175 desc->sdl0 = htole16(dmalen);
4176 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4177
4178 /* set up payload segments */
4179
4180 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4181 {
4182 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4183 desc->sdl1 = htole16(dma_seg[j].ds_len);
4184
4185 ring->desc_queued++;
4186 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4187
4188 j++;
4189
4190 desc = &ring->desc[ring->desc_cur];
4191
4192 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4193 desc->sdl0 = htole16(dma_seg[j].ds_len);
4194 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4195
4196 j++;
4197 }
4198
4199 /* finalize last payload segment */
4200
4201 if (i > 0)
4202 {
4203 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4204 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4205 }
4206 else
4207 {
4208 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4209 desc->sdl1 = 0;
4210 }
4211
4212 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4213 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4214 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4215 device_get_nameunit(sc->dev),
4216 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4217 bw, stbc, shortgi, mcs, wcid, dmalen, ndmasegs,
4218 dma_seg[0].ds_len, dma_seg[1].ds_len, dma_seg[2].ds_len, dma_seg[3].ds_len, dma_seg[4].ds_len);
4219
4220 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4221 BUS_DMASYNC_PREWRITE);
4222 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4223 BUS_DMASYNC_PREWRITE);
4224 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4225 BUS_DMASYNC_PREWRITE);
4226
4227 ring->desc_queued++;
4228 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4229
4230 ring->data_queued++;
4231 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4232
4233 /* kick Tx */
4234
4235 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4236
4237 return 0;
4238 }
4239
4240 /*
4241 * rt2860_tx_raw
4242 */
4243 static int rt2860_tx_raw(struct rt2860_softc *sc,
4244 struct mbuf *m, struct ieee80211_node *ni,
4245 const struct ieee80211_bpf_params *params)
4246 {
4247 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4248 "%s: Tx raw\n",
4249 device_get_nameunit(sc->dev));
4250
4251 return 0;
4252 }
4253
4254 /*
4255 * rt2860_intr
4256 */
4257 static void rt2860_intr(void *arg)
4258 {
4259 struct rt2860_softc *sc;
4260 struct ifnet *ifp;
4261 uint32_t status;
4262
4263 sc = arg;
4264 ifp = sc->ifp;
4265
4266 /* acknowledge interrupts */
4267
4268 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4269 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4270
4271 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4272 "%s: interrupt: status = 0x%08x\n",
4273 device_get_nameunit(sc->dev), status);
4274
4275 if (status == 0xffffffff || /* device likely went away */
4276 status == 0) /* not for us */
4277 return;
4278
4279 sc->interrupts++;
4280
4281 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4282 return;
4283
4284 if (status & RT2860_REG_INT_TX_COHERENT)
4285 rt2860_tx_coherent_intr(sc);
4286
4287 if (status & RT2860_REG_INT_RX_COHERENT)
4288 rt2860_rx_coherent_intr(sc);
4289
4290 if (status & RT2860_REG_INT_TXRX_COHERENT)
4291 rt2860_txrx_coherent_intr(sc);
4292
4293 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4294 rt2860_fifo_sta_full_intr(sc);
4295
4296 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4297 rt2860_tx_intr(sc, 5);
4298
4299 if (status & RT2860_REG_INT_RX_DONE)
4300 rt2860_rx_intr(sc);
4301
4302 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4303 rt2860_rx_delay_intr(sc);
4304
4305 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4306 rt2860_tx_intr(sc, 4);
4307
4308 if (status & RT2860_REG_INT_TX_AC3_DONE)
4309 rt2860_tx_intr(sc, 3);
4310
4311 if (status & RT2860_REG_INT_TX_AC2_DONE)
4312 rt2860_tx_intr(sc, 2);
4313
4314 if (status & RT2860_REG_INT_TX_AC1_DONE)
4315 rt2860_tx_intr(sc, 1);
4316
4317 if (status & RT2860_REG_INT_TX_AC0_DONE)
4318 rt2860_tx_intr(sc, 0);
4319
4320 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4321 rt2860_tx_delay_intr(sc);
4322
4323 if (status & RT2860_REG_INT_PRE_TBTT)
4324 rt2860_pre_tbtt_intr(sc);
4325
4326 if (status & RT2860_REG_INT_TBTT)
4327 rt2860_tbtt_intr(sc);
4328
4329 if (status & RT2860_REG_INT_MCU_CMD)
4330 rt2860_mcu_cmd_intr(sc);
4331
4332 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4333 rt2860_auto_wakeup_intr(sc);
4334
4335 if (status & RT2860_REG_INT_GP_TIMER)
4336 rt2860_gp_timer_intr(sc);
4337 }
4338
4339 /*
4340 * rt2860_tx_coherent_intr
4341 */
4342 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4343 {
4344 uint32_t tmp;
4345 int i;
4346
4347 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4348 "%s: Tx coherent interrupt\n",
4349 device_get_nameunit(sc->dev));
4350
4351 sc->tx_coherent_interrupts++;
4352
4353 /* restart DMA engine */
4354
4355 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4356
4357 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4358 RT2860_REG_RX_DMA_ENABLE |
4359 RT2860_REG_TX_DMA_ENABLE);
4360
4361 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4362
4363 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4364
4365 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4366 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4367
4368 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4369 {
4370 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4371 sc->tx_ring[i].desc_phys_addr);
4372 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4373 RT2860_SOFTC_TX_RING_DESC_COUNT);
4374 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4375 }
4376
4377 /* init Rx ring */
4378
4379 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4380
4381 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4382 sc->rx_ring.desc_phys_addr);
4383 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4384 RT2860_SOFTC_RX_RING_DATA_COUNT);
4385 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4386 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4387
4388 rt2860_txrx_enable(sc);
4389 }
4390
4391 /*
4392 * rt2860_rx_coherent_intr
4393 */
4394 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4395 {
4396 uint32_t tmp;
4397 int i;
4398
4399 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4400 "%s: Rx coherent interrupt\n",
4401 device_get_nameunit(sc->dev));
4402
4403 sc->rx_coherent_interrupts++;
4404
4405 /* restart DMA engine */
4406
4407 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4408
4409 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4410 RT2860_REG_RX_DMA_ENABLE |
4411 RT2860_REG_TX_DMA_ENABLE);
4412
4413 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4414
4415 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4416
4417 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4418 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4419
4420 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4421 {
4422 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4423 sc->tx_ring[i].desc_phys_addr);
4424 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4425 RT2860_SOFTC_TX_RING_DESC_COUNT);
4426 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4427 }
4428
4429 /* init Rx ring */
4430
4431 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4432
4433 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4434 sc->rx_ring.desc_phys_addr);
4435 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4436 RT2860_SOFTC_RX_RING_DATA_COUNT);
4437 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4438 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4439
4440 rt2860_txrx_enable(sc);
4441 }
4442
4443 /*
4444 * rt2860_txrx_coherent_intr
4445 */
4446 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4447 {
4448 uint32_t tmp;
4449 int i;
4450
4451 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4452 "%s: Tx/Rx coherent interrupt\n",
4453 device_get_nameunit(sc->dev));
4454
4455 sc->txrx_coherent_interrupts++;
4456
4457 /* restart DMA engine */
4458
4459 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4460
4461 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4462 RT2860_REG_RX_DMA_ENABLE |
4463 RT2860_REG_TX_DMA_ENABLE);
4464
4465 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4466
4467 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4468
4469 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4470 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4471
4472 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4473 {
4474 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4475 sc->tx_ring[i].desc_phys_addr);
4476 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4477 RT2860_SOFTC_TX_RING_DESC_COUNT);
4478 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4479 }
4480
4481 /* init Rx ring */
4482
4483 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4484
4485 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4486 sc->rx_ring.desc_phys_addr);
4487 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4488 RT2860_SOFTC_RX_RING_DATA_COUNT);
4489 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4490 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4491
4492 rt2860_txrx_enable(sc);
4493 }
4494
4495 /*
4496 * rt2860_fifo_sta_full_intr
4497 */
4498 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4499 {
4500 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4501 "%s: FIFO statistic full interrupt\n",
4502 device_get_nameunit(sc->dev));
4503
4504 sc->fifo_sta_full_interrupts++;
4505
4506 RT2860_SOFTC_LOCK(sc);
4507
4508 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4509 {
4510 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4511
4512 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4513 }
4514
4515 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4516
4517 RT2860_SOFTC_UNLOCK(sc);
4518 }
4519
4520 /*
4521 * rt2860_rx_intr
4522 */
4523 static void rt2860_rx_intr(struct rt2860_softc *sc)
4524 {
4525 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4526 "%s: Rx interrupt\n",
4527 device_get_nameunit(sc->dev));
4528
4529 sc->rx_interrupts++;
4530
4531 RT2860_SOFTC_LOCK(sc);
4532
4533 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4534 {
4535 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4536
4537 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4538 }
4539
4540 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4541
4542 RT2860_SOFTC_UNLOCK(sc);
4543 }
4544
4545 /*
4546 * rt2860_rx_delay_intr
4547 */
4548 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4549 {
4550 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4551 "%s: Rx delay interrupt\n",
4552 device_get_nameunit(sc->dev));
4553
4554 sc->rx_delay_interrupts++;
4555 }
4556
4557 /*
4558 * rt2860_tx_intr
4559 */
4560 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4561 {
4562 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4563 ("%s: Tx interrupt: invalid qid=%d\n",
4564 device_get_nameunit(sc->dev), qid));
4565
4566 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4567 "%s: Tx interrupt: qid=%d\n",
4568 device_get_nameunit(sc->dev), qid);
4569
4570 sc->tx_interrupts[qid]++;
4571
4572 RT2860_SOFTC_LOCK(sc);
4573
4574 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4575 {
4576 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4577
4578 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4579 }
4580
4581 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4582
4583 RT2860_SOFTC_UNLOCK(sc);
4584 }
4585
4586 /*
4587 * rt2860_tx_delay_intr
4588 */
4589 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4590 {
4591 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4592 "%s: Tx delay interrupt\n",
4593 device_get_nameunit(sc->dev));
4594
4595 sc->tx_delay_interrupts++;
4596 }
4597
4598 /*
4599 * rt2860_pre_tbtt_intr
4600 */
4601 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4602 {
4603 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4604 "%s: Pre-TBTT interrupt\n",
4605 device_get_nameunit(sc->dev));
4606
4607 sc->pre_tbtt_interrupts++;
4608 }
4609
4610 /*
4611 * rt2860_tbtt_intr
4612 */
4613 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4614 {
4615 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4616 "%s: TBTT interrupt\n",
4617 device_get_nameunit(sc->dev));
4618
4619 sc->tbtt_interrupts++;
4620 }
4621
4622 /*
4623 * rt2860_mcu_cmd_intr
4624 */
4625 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4626 {
4627 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4628 "%s: MCU command interrupt\n",
4629 device_get_nameunit(sc->dev));
4630
4631 sc->mcu_cmd_interrupts++;
4632 }
4633
4634 /*
4635 * rt2860_auto_wakeup_intr
4636 */
4637 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4638 {
4639 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4640 "%s: auto wakeup interrupt\n",
4641 device_get_nameunit(sc->dev));
4642
4643 sc->auto_wakeup_interrupts++;
4644 }
4645
4646 /*
4647 * rt2860_gp_timer_intr
4648 */
4649 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4650 {
4651 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4652 "%s: GP timer interrupt\n",
4653 device_get_nameunit(sc->dev));
4654
4655 sc->gp_timer_interrupts++;
4656 }
4657
4658 /*
4659 * rt2860_rx_done_task
4660 */
4661 static void rt2860_rx_done_task(void *context, int pending)
4662 {
4663 struct rt2860_softc *sc;
4664 struct ifnet *ifp;
4665 int again;
4666
4667 sc = context;
4668 ifp = sc->ifp;
4669
4670 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4671 "%s: Rx done task\n",
4672 device_get_nameunit(sc->dev));
4673
4674 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4675 return;
4676
4677 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4678
4679 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4680
4681 RT2860_SOFTC_LOCK(sc);
4682
4683 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4684 {
4685 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4686 "%s: Rx done task: scheduling again\n",
4687 device_get_nameunit(sc->dev));
4688
4689 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4690 }
4691 else
4692 {
4693 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4694 }
4695
4696 RT2860_SOFTC_UNLOCK(sc);
4697 }
4698
4699 /*
4700 * rt2860_tx_done_task
4701 */
4702 static void rt2860_tx_done_task(void *context, int pending)
4703 {
4704 struct rt2860_softc *sc;
4705 struct ifnet *ifp;
4706 uint32_t intr_mask;
4707 int i;
4708
4709 sc = context;
4710 ifp = sc->ifp;
4711
4712 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4713 "%s: Tx done task\n",
4714 device_get_nameunit(sc->dev));
4715
4716 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4717 return;
4718
4719 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4720 RT2860_REG_INT_TX_HCCA_DONE |
4721 RT2860_REG_INT_TX_AC3_DONE |
4722 RT2860_REG_INT_TX_AC2_DONE |
4723 RT2860_REG_INT_TX_AC1_DONE |
4724 RT2860_REG_INT_TX_AC0_DONE);
4725
4726 sc->intr_pending_mask &= ~intr_mask;
4727
4728 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4729 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4730
4731 sc->tx_timer = 0;
4732
4733 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4734
4735 RT2860_SOFTC_LOCK(sc);
4736
4737 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4738 (sc->intr_disable_mask & intr_mask));
4739
4740 if (sc->intr_pending_mask & intr_mask)
4741 {
4742 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4743 "%s: Tx done task: scheduling again\n",
4744 device_get_nameunit(sc->dev));
4745
4746 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4747 }
4748
4749 RT2860_SOFTC_UNLOCK(sc);
4750 }
4751
4752 /*
4753 * rt2860_fifo_sta_full_task
4754 */
4755 static void rt2860_fifo_sta_full_task(void *context, int pending)
4756 {
4757 struct rt2860_softc *sc;
4758 struct ifnet *ifp;
4759
4760 sc = context;
4761 ifp = sc->ifp;
4762
4763 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4764 "%s: FIFO statistic full task\n",
4765 device_get_nameunit(sc->dev));
4766
4767 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4768 return;
4769
4770 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4771
4772 rt2860_drain_fifo_stats(sc);
4773
4774 RT2860_SOFTC_LOCK(sc);
4775
4776 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4777 {
4778 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4779 "%s: FIFO statistic full task: scheduling again\n",
4780 device_get_nameunit(sc->dev));
4781
4782 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4783 }
4784 else
4785 {
4786 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4787 }
4788
4789 RT2860_SOFTC_UNLOCK(sc);
4790 }
4791
4792 /*
4793 * rt2860_periodic_task
4794 */
4795 static void rt2860_periodic_task(void *context, int pending)
4796 {
4797 struct rt2860_softc *sc;
4798 struct ifnet *ifp;
4799 struct ieee80211com *ic;
4800 struct ieee80211vap *vap;
4801
4802 sc = context;
4803 ifp = sc->ifp;
4804 ic = ifp->if_l2com;
4805
4806 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4807 "%s: periodic task: round=%lu\n",
4808 device_get_nameunit(sc->dev), sc->periodic_round);
4809
4810 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4811 return;
4812
4813 RT2860_SOFTC_LOCK(sc);
4814
4815 sc->periodic_round++;
4816
4817 rt2860_update_stats(sc);
4818
4819 if ((sc->periodic_round % 10) == 0)
4820 {
4821 rt2860_update_raw_counters(sc);
4822
4823 rt2860_watchdog(sc);
4824
4825 vap = TAILQ_FIRST(&ic->ic_vaps);
4826 if (vap != NULL)
4827 {
4828 if (vap->iv_opmode == IEEE80211_M_STA)
4829 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
4830 else
4831 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
4832 }
4833 }
4834
4835 RT2860_SOFTC_UNLOCK(sc);
4836
4837 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4838 }
4839
4840 /*
4841 * rt2860_rx_eof
4842 */
4843 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4844 {
4845 struct ifnet *ifp;
4846 struct ieee80211com *ic;
4847 struct ieee80211_frame *wh;
4848 struct ieee80211_node *ni;
4849 struct rt2860_softc_rx_radiotap_header *tap;
4850 struct rt2860_softc_rx_ring *ring;
4851 struct rt2860_rxdesc *desc;
4852 struct rt2860_softc_rx_data *data;
4853 struct rt2860_rxwi *rxwi;
4854 struct mbuf *m, *mnew;
4855 bus_dma_segment_t segs[1];
4856 uint32_t index, desc_flags;
4857 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4858 int8_t rssi_dbm;
4859 int error, nsegs, len, ampdu, amsdu, nframes;
4860
4861 ifp = sc->ifp;
4862 ic = ifp->if_l2com;
4863 ring = &sc->rx_ring;
4864
4865 nframes = 0;
4866
4867 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4868 BUS_DMASYNC_POSTREAD);
4869
4870 while (limit != 0)
4871 {
4872 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4873 if (ring->cur == index)
4874 break;
4875
4876 desc = &ring->desc[ring->cur];
4877 desc_flags = le32toh(desc->flags);
4878 data = &ring->data[ring->cur];
4879
4880 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4881 break;
4882
4883 nframes++;
4884
4885 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4886 if (mnew == NULL)
4887 {
4888 sc->rx_mbuf_alloc_errors++;
4889 ifp->if_ierrors++;
4890 goto skip;
4891 }
4892
4893 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4894
4895 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4896 BUS_DMASYNC_POSTREAD);
4897 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4898
4899 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
4900 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4901 if (error != 0)
4902 {
4903 m_freem(mnew);
4904
4905 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
4906 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
4907 if (error != 0)
4908 panic("%s: could not load old Rx mbuf: error=%d\n",
4909 device_get_name(sc->dev), error);
4910
4911 sc->rx_mbuf_dmamap_errors++;
4912 ifp->if_ierrors++;
4913
4914 goto skip;
4915 }
4916
4917 KASSERT(nsegs == 1, ("%s: too many DMA segments"),
4918 device_get_nameunit(sc->dev));
4919
4920 m = data->m;
4921
4922 data->m = mnew;
4923 desc->sdp0 = htole32(segs[0].ds_addr);
4924
4925 /* get Rx wireless info */
4926
4927 rxwi = mtod(m, struct rt2860_rxwi *);
4928 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4929 RT2860_RXWI_SIZE_MASK;
4930
4931 /* check for L2 padding between IEEE 802.11 frame header and body */
4932
4933 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4934 {
4935 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4936 "%s: L2 padding: len=%d\n",
4937 device_get_nameunit(sc->dev), len);
4938
4939 len += 2;
4940 }
4941
4942 m->m_pkthdr.rcvif = ifp;
4943 m->m_data = (caddr_t) (rxwi + 1);
4944 m->m_pkthdr.len = m->m_len = len;
4945
4946 /* check for crc errors */
4947
4948 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4949 {
4950 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4951 "%s: rxdesc: crc error\n",
4952 device_get_nameunit(sc->dev));
4953
4954 ifp->if_ierrors++;
4955
4956 if (!(ifp->if_flags & IFF_PROMISC))
4957 {
4958 m_freem(m);
4959 goto skip;
4960 }
4961 }
4962
4963 wh = (struct ieee80211_frame *) (rxwi + 1);
4964
4965 /* check for cipher errors */
4966
4967 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4968 {
4969 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4970 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4971 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4972 {
4973 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4974 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4975
4976 m->m_flags |= M_WEP;
4977 }
4978 else
4979 {
4980 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4981 "%s: rxdesc: cipher error=0x%02x\n",
4982 device_get_nameunit(sc->dev), cipher_err);
4983
4984 ifp->if_ierrors++;
4985
4986 if (!(ifp->if_flags & IFF_PROMISC))
4987 {
4988 m_free(m);
4989 goto skip;
4990 }
4991 }
4992 }
4993 else
4994 {
4995 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4996 {
4997 ifp->if_ierrors++;
4998
4999 if (!(ifp->if_flags & IFF_PROMISC))
5000 {
5001 m_free(m);
5002 goto skip;
5003 }
5004 }
5005 }
5006
5007 /* check for A-MPDU */
5008
5009 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5010 {
5011 m->m_flags |= M_AMPDU;
5012 ampdu = 1;
5013 }
5014 else
5015 {
5016 ampdu = 0;
5017 }
5018
5019 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5020 rssi = rxwi->rssi[ant];
5021 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5022 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5023 RT2860_RXWI_PHYMODE_MASK);
5024 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5025 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5026 RT2860_RXWI_SHORTGI_MASK);
5027 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5028 amsdu = (desc_flags & RT2860_RXDESC_FLAGS_AMSDU);
5029
5030 if (ieee80211_radiotap_active(ic))
5031 {
5032 tap = &sc->rxtap;
5033
5034 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5035 tap->dbm_antsignal = rssi_dbm;
5036 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5037 tap->antenna = ant;
5038 tap->antsignal = rssi;
5039 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5040 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5041 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5042 tap->chan_maxpow = 0;
5043
5044 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5045 tap->rate = mcs | IEEE80211_RATE_MCS;
5046 else
5047 tap->rate = rt2860_rxrate(rxwi);
5048
5049 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5050 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5051
5052 if (shortgi)
5053 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5054 }
5055
5056 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5057 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5058 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
5059 device_get_nameunit(sc->dev),
5060 len, phymode, bw, shortgi, mcs,
5061 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5062 rxwi->snr[0], rxwi->snr[1],
5063 rxwi->wcid, ampdu, amsdu);
5064
5065 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5066 if (ni != NULL)
5067 {
5068 ieee80211_input(ni, m, rssi_dbm - RT2860_NOISE_FLOOR, RT2860_NOISE_FLOOR);
5069 ieee80211_free_node(ni);
5070 }
5071 else
5072 {
5073 ieee80211_input_all(ic, m, rssi_dbm - RT2860_NOISE_FLOOR, RT2860_NOISE_FLOOR);
5074 }
5075
5076 skip:
5077
5078 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5079
5080 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5081 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5082
5083 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5084
5085 limit--;
5086 }
5087
5088 if (ring->cur == 0)
5089 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5090 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5091 else
5092 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5093 ring->cur - 1);
5094
5095 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5096 "%s: Rx eof: nframes=%d\n",
5097 device_get_nameunit(sc->dev), nframes);
5098
5099 sc->rx_packets += nframes;
5100
5101 return (limit == 0);
5102 }
5103
5104 /*
5105 * rt2860_tx_eof
5106 */
5107 static void rt2860_tx_eof(struct rt2860_softc *sc,
5108 struct rt2860_softc_tx_ring *ring)
5109 {
5110 struct ifnet *ifp;
5111 struct rt2860_txdesc *desc;
5112 struct rt2860_softc_tx_data *data;
5113 uint32_t index;
5114 int ndescs, nframes;
5115
5116 ifp = sc->ifp;
5117
5118 ndescs = 0;
5119 nframes = 0;
5120
5121 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5122 BUS_DMASYNC_POSTREAD);
5123
5124 for (;;)
5125 {
5126 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5127 if (ring->desc_next == index)
5128 break;
5129
5130 ndescs++;
5131
5132 rt2860_drain_fifo_stats(sc);
5133
5134 desc = &ring->desc[ring->desc_next];
5135
5136 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5137 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5138 {
5139 nframes++;
5140
5141 data = &ring->data[ring->data_next];
5142
5143 if (data->m->m_flags & M_TXCB)
5144 ieee80211_process_callback(data->ni, data->m, 0);
5145
5146 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5147 BUS_DMASYNC_POSTWRITE);
5148 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5149
5150 m_freem(data->m);
5151
5152 ieee80211_free_node(data->ni);
5153
5154 data->m = NULL;
5155 data->ni = NULL;
5156
5157 ifp->if_opackets++;
5158
5159 ring->data_queued--;
5160 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5161 }
5162
5163 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5164
5165 ring->desc_queued--;
5166 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5167 }
5168
5169 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5170 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5171
5172 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5173 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5174 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5175 }
5176
5177 /*
5178 * rt2860_update_stats
5179 */
5180 static void rt2860_update_stats(struct rt2860_softc *sc)
5181 {
5182 struct ifnet *ifp;
5183 struct ieee80211com *ic;
5184 struct ieee80211vap *vap;
5185 struct ieee80211_node *ni;
5186 uint16_t associd;
5187 uint8_t wcid;
5188 uint32_t stacnt[3];
5189 int txcnt, retrycnt, failcnt;
5190
5191 ifp = sc->ifp;
5192 ic = ifp->if_l2com;
5193
5194 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5195 "%s: update statistic\n",
5196 device_get_nameunit(sc->dev));
5197
5198 rt2860_drain_fifo_stats(sc);
5199
5200 if (ic->ic_opmode == IEEE80211_M_STA)
5201 {
5202 vap = TAILQ_FIRST(&ic->ic_vaps);
5203 ni = vap->iv_bss;
5204
5205 associd = (ni != NULL) ? ni->ni_associd : 0;
5206 wcid = RT2860_AID2WCID(associd);
5207
5208 /* read and clear Tx statistic registers */
5209
5210 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5211 stacnt, sizeof(stacnt));
5212
5213 txcnt = le32toh(stacnt[1]) & 0xffff;
5214 retrycnt = le32toh(stacnt[1]) >> 16;
5215 failcnt = le32toh(stacnt[0]) & 0xffff;
5216
5217 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5218 "%s: update statistic: associd=0x%04x, txcnt=%d, retrycnt=%d, failcnt=%d\n",
5219 device_get_nameunit(sc->dev),
5220 associd, txcnt, retrycnt, failcnt);
5221
5222 ifp->if_oerrors += failcnt;
5223
5224 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5225 txcnt + retrycnt + failcnt, txcnt + retrycnt, retrycnt + failcnt);
5226 }
5227 }
5228
5229 /*
5230 * rt2860_watchdog
5231 */
5232 static void rt2860_watchdog(struct rt2860_softc *sc)
5233 {
5234 uint32_t tmp;
5235 int ntries;
5236
5237 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5238
5239 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5240 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5241 device_get_nameunit(sc->dev), tmp);
5242
5243 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5244 {
5245 sc->tx_queue_not_empty[0]++;
5246
5247 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5248
5249 for (ntries = 0; ntries < 10; ntries++)
5250 {
5251 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5252 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5253 break;
5254
5255 DELAY(1);
5256 }
5257
5258 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5259 }
5260
5261 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5262 {
5263 sc->tx_queue_not_empty[1]++;
5264
5265 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5266
5267 for (ntries = 0; ntries < 10; ntries++)
5268 {
5269 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5270 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5271 break;
5272
5273 DELAY(1);
5274 }
5275
5276 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5277 }
5278 }
5279
5280 /*
5281 * rt2860_drain_fifo_stats
5282 */
5283 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5284 {
5285 struct ifnet *ifp;
5286 uint32_t stats;
5287 uint8_t wcid, mcs, pid;
5288 int ok, retrycnt;
5289
5290 ifp = sc->ifp;
5291
5292 /* drain Tx status FIFO (maxsize = 16) */
5293
5294 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5295 RT2860_REG_TX_STA_FIFO_VALID)
5296 {
5297 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5298 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5299
5300 /* if no ACK was requested, no feedback is available */
5301
5302 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5303 continue;
5304
5305 /* update AMRR statistic */
5306
5307 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5308 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5309 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5310 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5311 RT2860_REG_TX_STA_FIFO_PID_MASK;
5312 retrycnt = pid - mcs;
5313
5314 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5315 "%s: FIFO statistic: wcid=0x%02x, ok=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5316 device_get_nameunit(sc->dev),
5317 wcid, ok, mcs, pid, retrycnt);
5318
5319 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5320
5321 if (!ok)
5322 ifp->if_oerrors++;
5323 }
5324 }
5325
5326 /*
5327 * rt2860_update_raw_counters
5328 */
5329 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5330 {
5331 uint32_t tmp;
5332
5333 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5334
5335 sc->rx_crc_errors += tmp & 0xffff;
5336 sc->rx_phy_errors += tmp >> 16;
5337
5338 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5339
5340 sc->rx_false_ccas += tmp & 0xffff;
5341 sc->rx_plcp_errors += tmp >> 16;
5342
5343 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5344
5345 sc->rx_dup_packets += tmp & 0xffff;
5346 sc->rx_fifo_overflows += tmp >> 16;
5347 }
5348
5349 /*
5350 * rt2860_intr_enable
5351 */
5352 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5353 {
5354 uint32_t tmp;
5355
5356 sc->intr_disable_mask &= ~intr_mask;
5357
5358 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5359
5360 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5361 }
5362
5363 /*
5364 * rt2860_intr_disable
5365 */
5366 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5367 {
5368 uint32_t tmp;
5369
5370 sc->intr_disable_mask |= intr_mask;
5371
5372 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5373
5374 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5375 }
5376
5377 /*
5378 * rt2860_txrx_enable
5379 */
5380 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5381 {
5382 struct ieee80211com *ic;
5383 struct ifnet *ifp;
5384 uint32_t tmp;
5385 int ntries;
5386
5387 ifp = sc->ifp;
5388 ic = ifp->if_l2com;
5389
5390 /* enable Tx/Rx DMA engine */
5391
5392 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5393
5394 for (ntries = 0; ntries < 200; ntries++)
5395 {
5396 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5397 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5398 break;
5399
5400 DELAY(1000);
5401 }
5402
5403 if (ntries == 200)
5404 {
5405 printf("%s: timeout waiting for DMA engine\n",
5406 device_get_nameunit(sc->dev));
5407 return -1;
5408 }
5409
5410 DELAY(50);
5411
5412 tmp |= RT2860_REG_TX_WB_DDONE |
5413 RT2860_REG_RX_DMA_ENABLE |
5414 RT2860_REG_TX_DMA_ENABLE |
5415 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5416
5417 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5418
5419 /* set Rx filter */
5420
5421 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5422 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5423
5424 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5425 {
5426 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5427 RT2860_REG_RX_FILTER_DROP_CTS |
5428 RT2860_REG_RX_FILTER_DROP_BA |
5429 RT2860_REG_RX_FILTER_DROP_ACK |
5430 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5431 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5432 RT2860_REG_RX_FILTER_DROP_CFACK |
5433 RT2860_REG_RX_FILTER_DROP_CFEND;
5434
5435 if (ic->ic_opmode == IEEE80211_M_STA)
5436 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5437 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5438
5439 if (!(ifp->if_flags & IFF_PROMISC))
5440 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5441 }
5442
5443 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5444
5445 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5446 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5447
5448 return 0;
5449 }
5450
5451 /*
5452 * rt2860_alloc_rx_ring
5453 */
5454 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5455 struct rt2860_softc_rx_ring *ring)
5456 {
5457 struct rt2860_rxdesc *desc;
5458 struct rt2860_softc_rx_data *data;
5459 bus_dma_segment_t segs[1];
5460 int i, nsegs, error;
5461
5462 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5463 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5464 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5465 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5466 0, NULL, NULL, &ring->desc_dma_tag);
5467 if (error != 0)
5468 {
5469 printf("%s: could not create Rx desc DMA tag\n",
5470 device_get_nameunit(sc->dev));
5471 goto fail;
5472 }
5473
5474 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5475 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5476 if (error != 0)
5477 {
5478 printf("%s: could not allocate Rx desc DMA memory\n",
5479 device_get_nameunit(sc->dev));
5480 goto fail;
5481 }
5482
5483 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5484 ring->desc,
5485 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5486 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5487 if (error != 0)
5488 {
5489 printf("%s: could not load Rx desc DMA map\n",
5490 device_get_nameunit(sc->dev));
5491 goto fail;
5492 }
5493
5494 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5495 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5496 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5497 &ring->data_dma_tag);
5498 if (error != 0)
5499 {
5500 printf("%s: could not create Rx data DMA tag\n",
5501 device_get_nameunit(sc->dev));
5502 goto fail;
5503 }
5504
5505 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5506 {
5507 desc = &ring->desc[i];
5508 data = &ring->data[i];
5509
5510 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5511 if (error != 0)
5512 {
5513 printf("%s: could not create Rx data DMA map\n",
5514 device_get_nameunit(sc->dev));
5515 goto fail;
5516 }
5517
5518 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5519 if (data->m == NULL)
5520 {
5521 printf("%s: could not allocate Rx mbuf\n",
5522 device_get_nameunit(sc->dev));
5523 error = ENOMEM;
5524 goto fail;
5525 }
5526
5527 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5528
5529 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5530 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5531 if (error != 0)
5532 {
5533 printf("%s: could not load Rx mbuf DMA map\n",
5534 device_get_nameunit(sc->dev));
5535 goto fail;
5536 }
5537
5538 KASSERT(nsegs == 1, ("%s: too many DMA segments"),
5539 device_get_nameunit(sc->dev));
5540
5541 desc->sdp0 = htole32(segs[0].ds_addr);
5542 desc->sdl0 = htole16(MJUMPAGESIZE);
5543 }
5544
5545 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5546 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5547
5548 return 0;
5549
5550 fail:
5551
5552 rt2860_free_rx_ring(sc, ring);
5553
5554 return error;
5555 }
5556
5557 /*
5558 * rt2860_reset_rx_ring
5559 */
5560 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5561 struct rt2860_softc_rx_ring *ring)
5562 {
5563 struct rt2860_rxdesc *desc;
5564 int i;
5565
5566 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5567 {
5568 desc = &ring->desc[i];
5569
5570 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5571 }
5572
5573 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5574 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5575
5576 ring->cur = 0;
5577 }
5578
5579 /*
5580 * rt2860_free_rx_ring
5581 */
5582 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5583 struct rt2860_softc_rx_ring *ring)
5584 {
5585 struct rt2860_softc_rx_data *data;
5586 int i;
5587
5588 if (ring->desc != NULL)
5589 {
5590 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5591 BUS_DMASYNC_POSTWRITE);
5592 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5593 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5594 ring->desc_dma_map);
5595 }
5596
5597 if (ring->desc_dma_tag != NULL)
5598 bus_dma_tag_destroy(ring->desc_dma_tag);
5599
5600 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5601 {
5602 data = &ring->data[i];
5603
5604 if (data->m != NULL)
5605 {
5606 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5607 BUS_DMASYNC_POSTREAD);
5608 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5609 m_freem(data->m);
5610 }
5611
5612 if (data->dma_map != NULL)
5613 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5614 }
5615
5616 if (ring->data_dma_tag != NULL)
5617 bus_dma_tag_destroy(ring->data_dma_tag);
5618 }
5619
5620 /*
5621 * rt2860_alloc_tx_ring
5622 */
5623 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5624 struct rt2860_softc_tx_ring *ring, int qid)
5625 {
5626 struct rt2860_softc_tx_data *data;
5627 int error, i;
5628
5629 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5630 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5631 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5632 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5633 0, NULL, NULL, &ring->desc_dma_tag);
5634 if (error != 0)
5635 {
5636 printf("%s: could not create Tx desc DMA tag\n",
5637 device_get_nameunit(sc->dev));
5638 goto fail;
5639 }
5640
5641 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5642 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5643 if (error != 0)
5644 {
5645 printf("%s: could not allocate Tx desc DMA memory\n",
5646 device_get_nameunit(sc->dev));
5647 goto fail;
5648 }
5649
5650 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5651 ring->desc,
5652 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5653 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5654 if (error != 0)
5655 {
5656 printf("%s: could not load Tx desc DMA map\n",
5657 device_get_nameunit(sc->dev));
5658 goto fail;
5659 }
5660
5661 ring->desc_queued = 0;
5662 ring->desc_cur = 0;
5663 ring->desc_next = 0;
5664
5665 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5666 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5667 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5668 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5669 0, NULL, NULL, &ring->seg0_dma_tag);
5670 if (error != 0)
5671 {
5672 printf("%s: could not create Tx seg0 DMA tag\n",
5673 device_get_nameunit(sc->dev));
5674 goto fail;
5675 }
5676
5677 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5678 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5679 if (error != 0)
5680 {
5681 printf("%s: could not allocate Tx seg0 DMA memory\n",
5682 device_get_nameunit(sc->dev));
5683 goto fail;
5684 }
5685
5686 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5687 ring->seg0,
5688 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5689 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5690 if (error != 0)
5691 {
5692 printf("%s: could not load Tx seg0 DMA map\n",
5693 device_get_nameunit(sc->dev));
5694 goto fail;
5695 }
5696
5697 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 1, 0,
5698 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5699 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5700 &ring->data_dma_tag);
5701 if (error != 0)
5702 {
5703 printf("%s: could not create Tx data DMA tag\n",
5704 device_get_nameunit(sc->dev));
5705 goto fail;
5706 }
5707
5708 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5709 {
5710 data = &ring->data[i];
5711
5712 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5713 if (error != 0)
5714 {
5715 printf("%s: could not create Tx data DMA map\n",
5716 device_get_nameunit(sc->dev));
5717 goto fail;
5718 }
5719 }
5720
5721 ring->data_queued = 0;
5722 ring->data_cur = 0;
5723 ring->data_next = 0;
5724
5725 ring->qid = qid;
5726
5727 return 0;
5728
5729 fail:
5730
5731 rt2860_free_tx_ring(sc, ring);
5732
5733 return error;
5734 }
5735
5736 /*
5737 * rt2860_reset_tx_ring
5738 */
5739 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5740 struct rt2860_softc_tx_ring *ring)
5741 {
5742 struct rt2860_softc_tx_data *data;
5743 struct rt2860_txdesc *desc;
5744 int i;
5745
5746 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5747 {
5748 desc = &ring->desc[i];
5749
5750 desc->sdl0 = 0;
5751 desc->sdl1 = 0;
5752 }
5753
5754 ring->desc_queued = 0;
5755 ring->desc_cur = 0;
5756 ring->desc_next = 0;
5757
5758 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5759 BUS_DMASYNC_PREWRITE);
5760
5761 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5762 BUS_DMASYNC_PREWRITE);
5763
5764 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5765 {
5766 data = &ring->data[i];
5767
5768 if (data->m != NULL)
5769 {
5770 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5771 BUS_DMASYNC_POSTWRITE);
5772 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5773 m_freem(data->m);
5774 data->m = NULL;
5775 }
5776
5777 if (data->ni != NULL)
5778 {
5779 ieee80211_free_node(data->ni);
5780 data->ni = NULL;
5781 }
5782 }
5783
5784 ring->data_queued = 0;
5785 ring->data_cur = 0;
5786 ring->data_next = 0;
5787 }
5788
5789 /*
5790 * rt2860_free_tx_ring
5791 */
5792 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5793 struct rt2860_softc_tx_ring *ring)
5794 {
5795 struct rt2860_softc_tx_data *data;
5796 int i;
5797
5798 if (ring->desc != NULL)
5799 {
5800 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5801 BUS_DMASYNC_POSTWRITE);
5802 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5803 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5804 ring->desc_dma_map);
5805 }
5806
5807 if (ring->desc_dma_tag != NULL)
5808 bus_dma_tag_destroy(ring->desc_dma_tag);
5809
5810 if (ring->seg0 != NULL)
5811 {
5812 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5813 BUS_DMASYNC_POSTWRITE);
5814 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5815 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5816 ring->seg0_dma_map);
5817 }
5818
5819 if (ring->seg0_dma_tag != NULL)
5820 bus_dma_tag_destroy(ring->seg0_dma_tag);
5821
5822 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5823 {
5824 data = &ring->data[i];
5825
5826 if (data->m != NULL)
5827 {
5828 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5829 BUS_DMASYNC_POSTWRITE);
5830 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5831 m_freem(data->m);
5832 }
5833
5834 if (data->ni != NULL)
5835 ieee80211_free_node(data->ni);
5836
5837 if (data->dma_map != NULL)
5838 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5839 }
5840
5841 if (ring->data_dma_tag != NULL)
5842 bus_dma_tag_destroy(ring->data_dma_tag);
5843 }
5844
5845 /*
5846 * rt2860_dma_map_addr
5847 */
5848 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5849 int nseg, int error)
5850 {
5851 if (error != 0)
5852 return;
5853
5854 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5855
5856 *(bus_addr_t *) arg = segs[0].ds_addr;
5857 }
5858
5859 /*
5860 * rt2860_sysctl_attach
5861 */
5862 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5863 {
5864 struct sysctl_ctx_list *ctx;
5865 struct sysctl_oid *tree;
5866 struct sysctl_oid *stats;
5867
5868 ctx = device_get_sysctl_ctx(sc->dev);
5869 tree = device_get_sysctl_tree(sc->dev);
5870
5871 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5872 "stats", CTLFLAG_RD, 0, "statistic");
5873
5874 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5875 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5876 "all interrupts");
5877
5878 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5879 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5880 "Tx coherent interrupts");
5881
5882 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5883 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5884 "Rx coherent interrupts");
5885
5886 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5887 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5888 "Tx/Rx coherent interrupts");
5889
5890 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5891 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5892 "FIFO statistic full interrupts");
5893
5894 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5895 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5896 "Rx interrupts");
5897
5898 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5899 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5900 "Rx delay interrupts");
5901
5902 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5903 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5904 "Tx MGMT interrupts");
5905
5906 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5907 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5908 "Tx HCCA interrupts");
5909
5910 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5911 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5912 "Tx AC3 interrupts");
5913
5914 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5915 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5916 "Tx AC2 interrupts");
5917
5918 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5919 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5920 "Tx AC1 interrupts");
5921
5922 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5923 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5924 "Tx AC0 interrupts");
5925
5926 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5927 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5928 "Tx delay interrupts");
5929
5930 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5931 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5932 "Pre-TBTT interrupts");
5933
5934 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5935 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5936 "TBTT interrupts");
5937
5938 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5939 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5940 "MCU command interrupts");
5941
5942 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5943 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5944 "auto wakeup interrupts");
5945
5946 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5947 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5948 "GP timer interrupts");
5949
5950 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5951 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5952 "Tx MGMT descriptors queued");
5953
5954 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5955 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5956 "Tx MGMT data queued");
5957
5958 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5959 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5960 "Tx HCCA descriptors queued");
5961
5962 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5963 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5964 "Tx HCCA data queued");
5965
5966 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5967 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5968 "Tx AC3 descriptors queued");
5969
5970 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5971 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5972 "Tx AC3 data queued");
5973
5974 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5975 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5976 "Tx AC2 descriptors queued");
5977
5978 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5979 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5980 "Tx AC2 data queued");
5981
5982 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5983 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5984 "Tx AC1 descriptors queued");
5985
5986 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5987 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5988 "Tx AC1 data queued");
5989
5990 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5991 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5992 "Tx AC0 descriptors queued");
5993
5994 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5995 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5996 "Tx AC0 data queued");
5997
5998 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5999 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6000 "Tx watchdog timeouts");
6001
6002 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6003 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6004 "Tx defragmented packets");
6005
6006 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6007 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6008 "no Tx descriptors available");
6009
6010 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6011 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6012 "Rx mbuf allocation errors");
6013
6014 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6015 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6016 "Rx mbuf DMA mapping errors");
6017
6018 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6019 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6020 "Tx queue 0 not empty");
6021
6022 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6023 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6024 "Tx queue 1 not empty");
6025
6026 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6027 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6028 "Rx packets");
6029
6030 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6031 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6032 "Rx CRC errors");
6033
6034 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6035 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6036 "Rx PHY errors");
6037
6038 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6039 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6040 "Rx false CCAs");
6041
6042 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6043 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6044 "Rx PLCP errors");
6045
6046 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6047 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6048 "Rx duplicate packets");
6049
6050 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6051 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6052 "Rx FIFO overflows");
6053 }
6054
6055 static device_method_t rt2860_dev_methods[] =
6056 {
6057 DEVMETHOD(device_probe, rt2860_probe),
6058 DEVMETHOD(device_attach, rt2860_attach),
6059 DEVMETHOD(device_detach, rt2860_detach),
6060 DEVMETHOD(device_shutdown, rt2860_shutdown),
6061 DEVMETHOD(device_suspend, rt2860_suspend),
6062 DEVMETHOD(device_resume, rt2860_resume),
6063 { 0, 0 }
6064 };
6065
6066 static driver_t rt2860_driver =
6067 {
6068 "rt2860",
6069 rt2860_dev_methods,
6070 sizeof(struct rt2860_softc)
6071 };
6072
6073 static devclass_t rt2860_dev_class;
6074
6075 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6076
6077 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6078 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860