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Added error to panic message after failed bus_dmamap_load_mbuf_sg
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blobbee60dd1fc2ab0b14c7d336a65c01153296177b3
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 /*
386 * rt2860_probe
387 */
388 static int rt2860_probe(device_t dev)
389 {
390 const struct rt2860_pci_ident *ident;
391
392 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
393 {
394 if (pci_get_vendor(dev) == ident->vendor &&
395 pci_get_device(dev) == ident->device)
396 {
397 device_set_desc(dev, ident->name);
398 return 0;
399 }
400 }
401
402 return ENXIO;
403 }
404
405 /*
406 * rt2860_attach
407 */
408 static int rt2860_attach(device_t dev)
409 {
410 struct rt2860_softc *sc;
411 struct ifnet *ifp;
412 struct ieee80211com *ic;
413 int error, ntries, i;
414
415 sc = device_get_softc(dev);
416
417 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
418 {
419 printf("%s: chip is in D%d power mode, setting to D0\n",
420 device_get_nameunit(dev), pci_get_powerstate(dev));
421 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
422 }
423
424 /* enable bus-mastering */
425
426 pci_enable_busmaster(dev);
427
428 sc->dev = dev;
429
430 mtx_init(&sc->lock, device_get_nameunit(dev),
431 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
432
433 sc->mem_rid = PCIR_BAR(0);
434 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
435 &sc->mem_rid, RF_ACTIVE);
436 if (sc->mem == NULL)
437 {
438 printf("%s: could not allocate memory resource\n",
439 device_get_nameunit(dev));
440 error = ENXIO;
441 goto fail;
442 }
443
444 sc->bst = rman_get_bustag(sc->mem);
445 sc->bsh = rman_get_bushandle(sc->mem);
446
447 sc->irq_rid = 0;
448 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
449 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
450 if (sc->irq == NULL)
451 {
452 printf("%s: could not allocate interrupt resource\n",
453 device_get_nameunit(dev));
454 error = ENXIO;
455 goto fail;
456 }
457
458 #ifdef RT2860_DEBUG
459 sc->debug = 0;
460
461 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
462 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
463 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
464 #endif
465
466 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
467 "%s: attaching\n",
468 device_get_nameunit(sc->dev));
469
470 /* wait for NIC to initialize */
471
472 for (ntries = 0; ntries < 100; ntries++)
473 {
474 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
475 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
476 break;
477
478 DELAY(10);
479 }
480
481 if (ntries == 100)
482 {
483 printf("%s: timeout waiting for NIC to initialize\n",
484 device_get_nameunit(dev));
485 error = EIO;
486 goto fail;
487 }
488
489 rt2860_read_eeprom(sc);
490
491 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
492 device_get_nameunit(sc->dev), sc->mac_rev,
493 rt2860_rf_name(sc->rf_rev));
494
495 /* allocate Tx and Rx rings */
496
497 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
498 {
499 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
500 if (error != 0)
501 {
502 printf("%s: could not allocate Tx ring #%d\n",
503 device_get_nameunit(sc->dev), i);
504 goto fail;
505 }
506 }
507
508 sc->tx_ring_mgtqid = 5;
509
510 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
511 if (error != 0)
512 {
513 printf("%s: could not allocate Rx ring\n",
514 device_get_nameunit(sc->dev));
515 goto fail;
516 }
517
518 callout_init(&sc->periodic_ch, 0);
519 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
520
521 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
522 if (ifp == NULL)
523 {
524 printf("%s: could not if_alloc()\n",
525 device_get_nameunit(sc->dev));
526 error = ENOMEM;
527 goto fail;
528 }
529
530 ifp->if_softc = sc;
531
532 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
533
534 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
535
536 ifp->if_init = rt2860_init;
537 ifp->if_ioctl = rt2860_ioctl;
538 ifp->if_start = rt2860_start;
539
540 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
541 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
542 IFQ_SET_READY(&ifp->if_snd);
543
544 ic = ifp->if_l2com;
545
546 ic->ic_ifp = ifp;
547
548 ic->ic_phytype = IEEE80211_T_HT;
549 ic->ic_opmode = IEEE80211_M_STA;
550
551 ic->ic_caps = IEEE80211_C_MONITOR |
552 IEEE80211_C_IBSS |
553 IEEE80211_C_STA |
554 IEEE80211_C_AHDEMO |
555 IEEE80211_C_HOSTAP |
556 IEEE80211_C_WDS |
557 IEEE80211_C_MBSS |
558 /* IEEE80211_C_BGSCAN | */
559 IEEE80211_C_TXPMGT |
560 IEEE80211_C_SHPREAMBLE |
561 IEEE80211_C_SHSLOT |
562 IEEE80211_C_TXFRAG |
563 IEEE80211_C_BURST |
564 IEEE80211_C_WME |
565 IEEE80211_C_WPA;
566
567 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
568 IEEE80211_CRYPTO_TKIP |
569 IEEE80211_CRYPTO_TKIPMIC |
570 IEEE80211_CRYPTO_AES_CCM;
571
572 ic->ic_htcaps = IEEE80211_HTC_HT |
573 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
574 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
575 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
576 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
577 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
578 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
579 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
580
581 /* spatial streams */
582
583 if (sc->nrxpath == 2)
584 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
585 else if (sc->nrxpath == 3)
586 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
587 else
588 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
589
590 if (sc->ntxpath > 1)
591 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
592
593 /* delayed BA */
594
595 if (sc->mac_rev != 0x28600100)
596 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
597
598 /* init channels */
599
600 ic->ic_nchans = 0;
601
602 rt2860_init_channels(sc);
603
604 rt2860_init_channels_ht40(sc);
605
606 ieee80211_ifattach(ic, sc->mac_addr);
607
608 ic->ic_vap_create = rt2860_vap_create;
609 ic->ic_vap_delete = rt2860_vap_delete;
610
611 ic->ic_node_alloc = rt2860_node_alloc;
612 ic->ic_setregdomain = rt2860_setregdomain;
613 ic->ic_getradiocaps = rt2860_getradiocaps;
614 ic->ic_scan_start = rt2860_scan_start;
615 ic->ic_scan_end = rt2860_scan_end;
616 ic->ic_set_channel = rt2860_set_channel;
617 ic->ic_newassoc = rt2860_newassoc;
618 ic->ic_updateslot = rt2860_updateslot;
619 ic->ic_update_promisc = rt2860_update_promisc;
620 ic->ic_update_mcast = rt2860_update_mcast;
621 ic->ic_wme.wme_update = rt2860_wme_update;
622 ic->ic_raw_xmit = rt2860_raw_xmit;
623
624 sc->recv_action = ic->ic_recv_action;
625 ic->ic_recv_action = rt2860_recv_action;
626
627 sc->send_action = ic->ic_send_action;
628 ic->ic_send_action = rt2860_send_action;
629
630 /* hardware requires padding between 802.11 frame header and body */
631
632 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
633
634 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
635
636 ieee80211_radiotap_attach(ic,
637 &sc->txtap.ihdr, sizeof(sc->txtap),
638 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
639 &sc->rxtap.ihdr, sizeof(sc->rxtap),
640 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
641
642 /* init task queue */
643
644 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
645 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
646 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
647 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
648
649 sc->rx_process_limit = 100;
650
651 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
652 taskqueue_thread_enqueue, &sc->taskqueue);
653
654 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
655 device_get_nameunit(sc->dev));
656
657 rt2860_sysctl_attach(sc);
658
659 if (bootverbose)
660 ieee80211_announce(ic);
661
662 /* set up interrupt */
663
664 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
665 NULL, rt2860_intr, sc, &sc->irqh);
666 if (error != 0)
667 {
668 printf("%s: could not set up interrupt\n",
669 device_get_nameunit(dev));
670 goto fail;
671 }
672
673 return 0;
674
675 fail:
676
677 /* free Tx and Rx rings */
678
679 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
680 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
681
682 rt2860_free_rx_ring(sc, &sc->rx_ring);
683
684 mtx_destroy(&sc->lock);
685
686 if (sc->mem != NULL)
687 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
688
689 if (sc->irq != NULL)
690 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
691
692 return error;
693 }
694
695 /*
696 * rt2860_detach
697 */
698 static int rt2860_detach(device_t dev)
699 {
700 struct rt2860_softc *sc;
701 struct ifnet *ifp;
702 struct ieee80211com *ic;
703 int i;
704
705 sc = device_get_softc(dev);
706 ifp = sc->ifp;
707 ic = ifp->if_l2com;
708
709 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
710 "%s: detaching\n",
711 device_get_nameunit(sc->dev));
712
713 RT2860_SOFTC_LOCK(sc);
714
715 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
716
717 callout_stop(&sc->periodic_ch);
718 callout_stop(&sc->tx_watchdog_ch);
719
720 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
721 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
722 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
723 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
724
725 /* free Tx and Rx rings */
726
727 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
728 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
729
730 rt2860_free_rx_ring(sc, &sc->rx_ring);
731
732 RT2860_SOFTC_UNLOCK(sc);
733
734 ieee80211_ifdetach(ic);
735
736 if_free(ifp);
737
738 taskqueue_free(sc->taskqueue);
739
740 mtx_destroy(&sc->lock);
741
742 bus_generic_detach(dev);
743
744 bus_teardown_intr(dev, sc->irq, sc->irqh);
745
746 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
747
748 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
749
750 return 0;
751 }
752
753 /*
754 * rt2860_shutdown
755 */
756 static int rt2860_shutdown(device_t dev)
757 {
758 struct rt2860_softc *sc;
759
760 sc = device_get_softc(dev);
761
762 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
763 "%s: shutting down\n",
764 device_get_nameunit(sc->dev));
765
766 rt2860_stop(sc);
767
768 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
769
770 return 0;
771 }
772
773 /*
774 * rt2860_suspend
775 */
776 static int rt2860_suspend(device_t dev)
777 {
778 struct rt2860_softc *sc;
779
780 sc = device_get_softc(dev);
781
782 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
783 "%s: suspending\n",
784 device_get_nameunit(sc->dev));
785
786 rt2860_stop(sc);
787
788 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
789
790 return 0;
791 }
792
793 /*
794 * rt2860_resume
795 */
796 static int rt2860_resume(device_t dev)
797 {
798 struct rt2860_softc *sc;
799 struct ifnet *ifp;
800
801 sc = device_get_softc(dev);
802 ifp = sc->ifp;
803
804 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
805 "%s: resuming\n",
806 device_get_nameunit(sc->dev));
807
808 if (ifp->if_flags & IFF_UP)
809 rt2860_init(sc);
810
811 return 0;
812 }
813
814 /*
815 * rt2860_init_channels
816 */
817 static void rt2860_init_channels(struct rt2860_softc *sc)
818 {
819 struct ifnet *ifp;
820 struct ieee80211com *ic;
821 struct ieee80211_channel *c;
822 int i, flags;
823
824 ifp = sc->ifp;
825 ic = ifp->if_l2com;
826
827 /* set supported channels for 2GHz band */
828
829 for (i = 1; i <= 14; i++)
830 {
831 c = &ic->ic_channels[ic->ic_nchans++];
832 flags = IEEE80211_CHAN_B;
833
834 c->ic_freq = ieee80211_ieee2mhz(i, flags);
835 c->ic_ieee = i;
836 c->ic_flags = flags;
837
838 c = &ic->ic_channels[ic->ic_nchans++];
839 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
840
841 c->ic_freq = ieee80211_ieee2mhz(i, flags);
842 c->ic_ieee = i;
843 c->ic_flags = flags;
844
845 c = &ic->ic_channels[ic->ic_nchans++];
846 flags = IEEE80211_CHAN_G;
847
848 c->ic_freq = ieee80211_ieee2mhz(i, flags);
849 c->ic_ieee = i;
850 c->ic_flags = flags;
851
852 c = &ic->ic_channels[ic->ic_nchans++];
853 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
854
855 c->ic_freq = ieee80211_ieee2mhz(i, flags);
856 c->ic_ieee = i;
857 c->ic_flags = flags;
858 }
859
860 /* set supported channels for 5GHz band */
861
862 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
863 sc->rf_rev == RT2860_EEPROM_RF_2750)
864 {
865 for (i = 36; i <= 64; i += 4)
866 {
867 c = &ic->ic_channels[ic->ic_nchans++];
868 flags = IEEE80211_CHAN_A;
869
870 c->ic_freq = ieee80211_ieee2mhz(i, flags);
871 c->ic_ieee = i;
872 c->ic_flags = flags;
873
874 c = &ic->ic_channels[ic->ic_nchans++];
875 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
876
877 c->ic_freq = ieee80211_ieee2mhz(i, flags);
878 c->ic_ieee = i;
879 c->ic_flags = flags;
880 }
881
882 for (i = 100; i <= 140; i += 4)
883 {
884 c = &ic->ic_channels[ic->ic_nchans++];
885 flags = IEEE80211_CHAN_A;
886
887 c->ic_freq = ieee80211_ieee2mhz(i, flags);
888 c->ic_ieee = i;
889 c->ic_flags = flags;
890
891 c = &ic->ic_channels[ic->ic_nchans++];
892 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
893
894 c->ic_freq = ieee80211_ieee2mhz(i, flags);
895 c->ic_ieee = i;
896 c->ic_flags = flags;
897 }
898
899 for (i = 149; i <= 165; i += 4)
900 {
901 c = &ic->ic_channels[ic->ic_nchans++];
902 flags = IEEE80211_CHAN_A;
903
904 c->ic_freq = ieee80211_ieee2mhz(i, flags);
905 c->ic_ieee = i;
906 c->ic_flags = flags;
907
908 c = &ic->ic_channels[ic->ic_nchans++];
909 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
910
911 c->ic_freq = ieee80211_ieee2mhz(i, flags);
912 c->ic_ieee = i;
913 c->ic_flags = flags;
914 }
915 }
916 }
917
918 /*
919 * rt2860_init_channels_ht40
920 */
921 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
922 {
923 struct ifnet *ifp;
924 struct ieee80211com *ic;
925 struct ieee80211_channel *c, *cent, *ext;
926 int i, flags;
927
928 ifp = sc->ifp;
929 ic = ifp->if_l2com;
930
931 /* set supported channels for 2GHz band */
932
933 for (i = 1; i <= 14; i++)
934 {
935 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
936
937 /* find the center channel */
938
939 cent = ieee80211_find_channel_byieee(ic, i,
940 flags & ~IEEE80211_CHAN_HT);
941 if (cent == NULL)
942 {
943 printf("%s: skip channel %d, could not find center channel\n",
944 device_get_nameunit(sc->dev), i);
945 continue;
946 }
947
948 /* find the extension channel */
949
950 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
951 flags & ~IEEE80211_CHAN_HT);
952 if (ext == NULL)
953 {
954 printf("%s: skip channel %d, could not find extension channel\n",
955 device_get_nameunit(sc->dev), i);
956 continue;
957 }
958
959 c = &ic->ic_channels[ic->ic_nchans++];
960
961 *c = *cent;
962 c->ic_extieee = ext->ic_ieee;
963 c->ic_flags &= ~IEEE80211_CHAN_HT;
964 c->ic_flags |= IEEE80211_CHAN_HT40U;
965
966 c = &ic->ic_channels[ic->ic_nchans++];
967
968 *c = *ext;
969 c->ic_extieee = cent->ic_ieee;
970 c->ic_flags &= ~IEEE80211_CHAN_HT;
971 c->ic_flags |= IEEE80211_CHAN_HT40D;
972 }
973
974 /* set supported channels for 5GHz band */
975
976 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
977 sc->rf_rev == RT2860_EEPROM_RF_2750)
978 {
979 for (i = 36; i <= 64; i += 4)
980 {
981 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
982
983 /* find the center channel */
984
985 cent = ieee80211_find_channel_byieee(ic, i,
986 flags & ~IEEE80211_CHAN_HT);
987 if (cent == NULL)
988 {
989 printf("%s: skip channel %d, could not find center channel\n",
990 device_get_nameunit(sc->dev), i);
991 continue;
992 }
993
994 /* find the extension channel */
995
996 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
997 flags & ~IEEE80211_CHAN_HT);
998 if (ext == NULL)
999 {
1000 printf("%s: skip channel %d, could not find extension channel\n",
1001 device_get_nameunit(sc->dev), i);
1002 continue;
1003 }
1004
1005 c = &ic->ic_channels[ic->ic_nchans++];
1006
1007 *c = *cent;
1008 c->ic_extieee = ext->ic_ieee;
1009 c->ic_flags &= ~IEEE80211_CHAN_HT;
1010 c->ic_flags |= IEEE80211_CHAN_HT40U;
1011
1012 c = &ic->ic_channels[ic->ic_nchans++];
1013
1014 *c = *ext;
1015 c->ic_extieee = cent->ic_ieee;
1016 c->ic_flags &= ~IEEE80211_CHAN_HT;
1017 c->ic_flags |= IEEE80211_CHAN_HT40D;
1018 }
1019
1020 for (i = 100; i <= 140; i += 4)
1021 {
1022 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1023
1024 /* find the center channel */
1025
1026 cent = ieee80211_find_channel_byieee(ic, i,
1027 flags & ~IEEE80211_CHAN_HT);
1028 if (cent == NULL)
1029 {
1030 printf("%s: skip channel %d, could not find center channel\n",
1031 device_get_nameunit(sc->dev), i);
1032 continue;
1033 }
1034
1035 /* find the extension channel */
1036
1037 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1038 flags & ~IEEE80211_CHAN_HT);
1039 if (ext == NULL)
1040 {
1041 printf("%s: skip channel %d, could not find extension channel\n",
1042 device_get_nameunit(sc->dev), i);
1043 continue;
1044 }
1045
1046 c = &ic->ic_channels[ic->ic_nchans++];
1047
1048 *c = *cent;
1049 c->ic_extieee = ext->ic_ieee;
1050 c->ic_flags &= ~IEEE80211_CHAN_HT;
1051 c->ic_flags |= IEEE80211_CHAN_HT40U;
1052
1053 c = &ic->ic_channels[ic->ic_nchans++];
1054
1055 *c = *ext;
1056 c->ic_extieee = cent->ic_ieee;
1057 c->ic_flags &= ~IEEE80211_CHAN_HT;
1058 c->ic_flags |= IEEE80211_CHAN_HT40D;
1059 }
1060
1061 for (i = 149; i <= 165; i += 4)
1062 {
1063 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1064
1065 /* find the center channel */
1066
1067 cent = ieee80211_find_channel_byieee(ic, i,
1068 flags & ~IEEE80211_CHAN_HT);
1069 if (cent == NULL)
1070 {
1071 printf("%s: skip channel %d, could not find center channel\n",
1072 device_get_nameunit(sc->dev), i);
1073 continue;
1074 }
1075
1076 /* find the extension channel */
1077
1078 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1079 flags & ~IEEE80211_CHAN_HT);
1080 if (ext == NULL)
1081 {
1082 printf("%s: skip channel %d, could not find extension channel\n",
1083 device_get_nameunit(sc->dev), i);
1084 continue;
1085 }
1086
1087 c = &ic->ic_channels[ic->ic_nchans++];
1088
1089 *c = *cent;
1090 c->ic_extieee = ext->ic_ieee;
1091 c->ic_flags &= ~IEEE80211_CHAN_HT;
1092 c->ic_flags |= IEEE80211_CHAN_HT40U;
1093
1094 c = &ic->ic_channels[ic->ic_nchans++];
1095
1096 *c = *ext;
1097 c->ic_extieee = cent->ic_ieee;
1098 c->ic_flags &= ~IEEE80211_CHAN_HT;
1099 c->ic_flags |= IEEE80211_CHAN_HT40D;
1100 }
1101 }
1102 }
1103
1104 /*
1105 * rt2860_init_locked
1106 */
1107 static void rt2860_init_locked(void *priv)
1108 {
1109 struct rt2860_softc *sc;
1110 struct ifnet *ifp;
1111 struct ieee80211com *ic;
1112 int error, i, ntries;
1113 uint32_t tmp, stacnt[6];
1114
1115 sc = priv;
1116 ifp = sc->ifp;
1117 ic = ifp->if_l2com;
1118
1119 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1120 "%s: initializing\n",
1121 device_get_nameunit(sc->dev));
1122
1123 RT2860_SOFTC_ASSERT_LOCKED(sc);
1124
1125 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1126 {
1127 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1128 "%s: loading 8051 microcode\n",
1129 device_get_nameunit(sc->dev));
1130
1131 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1132 if (error != 0)
1133 {
1134 printf("%s: could not load 8051 microcode\n",
1135 device_get_nameunit(sc->dev));
1136 goto fail;
1137 }
1138
1139 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1140 "%s: 8051 microcode was successfully loaded\n",
1141 device_get_nameunit(sc->dev));
1142
1143 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1144 }
1145
1146 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1147
1148 /* disable DMA engine */
1149
1150 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1151
1152 tmp &= 0xff0;
1153 tmp |= RT2860_REG_TX_WB_DDONE;
1154
1155 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1156
1157 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1158
1159 /* PBF hardware reset */
1160
1161 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1162 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1163
1164 /* wait while DMA engine is busy */
1165
1166 for (ntries = 0; ntries < 100; ntries++)
1167 {
1168 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1169 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1170 break;
1171
1172 DELAY(1000);
1173 }
1174
1175 if (ntries == 100)
1176 {
1177 printf("%s: timeout waiting for DMA engine\n",
1178 device_get_nameunit(sc->dev));
1179 goto fail;
1180 }
1181
1182 tmp &= 0xff0;
1183 tmp |= RT2860_REG_TX_WB_DDONE;
1184
1185 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1186
1187 /* reset Rx and Tx rings */
1188
1189 tmp = RT2860_REG_RST_IDX_RX |
1190 RT2860_REG_RST_IDX_TX_MGMT |
1191 RT2860_REG_RST_IDX_TX_HCCA |
1192 RT2860_REG_RST_IDX_TX_AC3 |
1193 RT2860_REG_RST_IDX_TX_AC2 |
1194 RT2860_REG_RST_IDX_TX_AC1 |
1195 RT2860_REG_RST_IDX_TX_AC0;
1196
1197 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1198
1199 /* PBF hardware reset */
1200
1201 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1202 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1203
1204 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1205
1206 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1207 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1208 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1209
1210 /* init Tx power per rate */
1211
1212 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1213 {
1214 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1215 continue;
1216
1217 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1218 sc->txpow_rate_20mhz[i]);
1219 }
1220
1221 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1222 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1223 rt2860_def_mac[i].val);
1224
1225 /* wait while MAC is busy */
1226
1227 for (ntries = 0; ntries < 100; ntries++)
1228 {
1229 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1230 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1231 break;
1232
1233 DELAY(1000);
1234 }
1235
1236 if (ntries == 100)
1237 {
1238 printf("%s: timeout waiting for MAC\n",
1239 device_get_nameunit(sc->dev));
1240 goto fail;
1241 }
1242
1243 /* clear Host to MCU mailbox */
1244
1245 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1246 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1247
1248 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1249 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1250
1251 DELAY(1000);
1252
1253 error = rt2860_init_bbp(sc);
1254 if (error != 0)
1255 goto fail;
1256
1257 /* set up maximum buffer sizes */
1258
1259 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1260
1261 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1262
1263 if (sc->mac_rev == 0x28720200)
1264 {
1265 /* set max. PSDU length from 16K to 32K bytes */
1266
1267 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1268
1269 tmp &= ~(3 << 12);
1270 tmp |= (2 << 12);
1271
1272 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1273 }
1274
1275 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1276 {
1277 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1278
1279 tmp &= 0xfff;
1280 tmp |= 0x2000;
1281
1282 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1283 }
1284
1285 /* set mac address */
1286
1287 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1288
1289 /* clear statistic registers */
1290
1291 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1292 stacnt, sizeof(stacnt));
1293
1294 /* set RTS threshold */
1295
1296 rt2860_asic_update_rtsthreshold(sc);
1297
1298 /* set Tx power */
1299
1300 rt2860_asic_update_txpower(sc);
1301
1302 /* set up protection mode */
1303
1304 rt2860_asic_updateprot(sc);
1305
1306 /* clear key tables */
1307
1308 rt2860_asic_clear_keytables(sc);
1309
1310 taskqueue_unblock(sc->taskqueue);
1311
1312 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1313
1314 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1315 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1316
1317 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1318 {
1319 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1320 sc->tx_ring[i].desc_phys_addr);
1321 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1322 RT2860_SOFTC_TX_RING_DESC_COUNT);
1323 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1324 }
1325
1326 /* init Rx ring */
1327
1328 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1329
1330 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1331 sc->rx_ring.desc_phys_addr);
1332 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1333 RT2860_SOFTC_RX_RING_DATA_COUNT);
1334 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1335 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1336
1337 /* wait while DMA engine is busy */
1338
1339 for (ntries = 0; ntries < 100; ntries++)
1340 {
1341 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1342 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1343 break;
1344
1345 DELAY(1000);
1346 }
1347
1348 if (ntries == 100)
1349 {
1350 printf("%s: timeout waiting for DMA engine\n",
1351 device_get_nameunit(sc->dev));
1352 goto fail;
1353 }
1354
1355 tmp &= 0xff0;
1356 tmp |= RT2860_REG_TX_WB_DDONE;
1357
1358 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1359
1360 /* disable interrupts mitigation */
1361
1362 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1363
1364 /* send LEDs operating mode to microcontroller */
1365
1366 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1367 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1368 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1369 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1370 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1371 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1372
1373 /* turn radio LED on */
1374
1375 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1376
1377 /* write vendor-specific BBP values (from EEPROM) */
1378
1379 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1380 {
1381 if (sc->bbp_eeprom[i].reg == 0x00 ||
1382 sc->bbp_eeprom[i].reg == 0xff)
1383 continue;
1384
1385 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1386 sc->bbp_eeprom[i].val);
1387 }
1388
1389 /*
1390 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1391 if (tmp & (1 << 2))
1392 {
1393 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1394 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1395 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1396
1397 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1398 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1399 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1400 }
1401 */
1402
1403 /* disable non-existing Rx chains */
1404
1405 tmp = rt2860_io_bbp_read(sc, 3);
1406
1407 tmp &= ~((1 << 4) | (1 << 3));
1408
1409 if (sc->nrxpath == 3)
1410 tmp |= (1 << 4);
1411 else if (sc->nrxpath == 2)
1412 tmp |= (1 << 3);
1413
1414 rt2860_io_bbp_write(sc, 3, tmp);
1415
1416 /* disable non-existing Tx chains */
1417
1418 tmp = rt2860_io_bbp_read(sc, 1);
1419
1420 if (sc->ntxpath == 1)
1421 tmp &= ~((1 << 4) | (1 << 3));
1422
1423 rt2860_io_bbp_write(sc, 1, tmp);
1424
1425 /* set current channel */
1426
1427 rt2860_rf_set_chan(sc, ic->ic_curchan);
1428
1429 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1430 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1431 (48 << 16) | 96);
1432
1433 if ((sc->mac_rev & 0xffff) != 0x0101)
1434 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1435
1436 /* clear pending interrupts */
1437
1438 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1439
1440 /* enable interrupts */
1441
1442 tmp = RT2860_REG_INT_TX_COHERENT |
1443 RT2860_REG_INT_RX_COHERENT |
1444 RT2860_REG_INT_GP_TIMER |
1445 RT2860_REG_INT_AUTO_WAKEUP |
1446 RT2860_REG_INT_FIFO_STA_FULL |
1447 /*
1448 RT2860_REG_INT_PRE_TBTT |
1449 RT2860_REG_INT_TBTT |
1450 */
1451 RT2860_REG_INT_TXRX_COHERENT |
1452 RT2860_REG_INT_MCU_CMD |
1453 RT2860_REG_INT_TX_MGMT_DONE |
1454 RT2860_REG_INT_TX_HCCA_DONE |
1455 RT2860_REG_INT_TX_AC3_DONE |
1456 RT2860_REG_INT_TX_AC2_DONE |
1457 RT2860_REG_INT_TX_AC1_DONE |
1458 RT2860_REG_INT_TX_AC0_DONE |
1459 RT2860_REG_INT_RX_DONE;
1460
1461 sc->intr_enable_mask = tmp;
1462
1463 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1464
1465 if (rt2860_txrx_enable(sc) != 0)
1466 goto fail;
1467
1468 /* clear garbage interrupts */
1469
1470 tmp = rt2860_io_mac_read(sc, 0x1300);
1471
1472 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1473 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1474
1475 sc->periodic_round = 0;
1476
1477 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1478
1479 return;
1480
1481 fail:
1482
1483 rt2860_stop_locked(sc);
1484 }
1485
1486 /*
1487 * rt2860_init
1488 */
1489 static void rt2860_init(void *priv)
1490 {
1491 struct rt2860_softc *sc;
1492
1493 sc = priv;
1494
1495 RT2860_SOFTC_LOCK(sc);
1496
1497 rt2860_init_locked(sc);
1498
1499 RT2860_SOFTC_UNLOCK(sc);
1500 }
1501
1502 /*
1503 * rt2860_init_bbp
1504 */
1505 static int rt2860_init_bbp(struct rt2860_softc *sc)
1506 {
1507 int ntries, i;
1508 uint8_t tmp;
1509
1510 for (ntries = 0; ntries < 20; ntries++)
1511 {
1512 tmp = rt2860_io_bbp_read(sc, 0);
1513 if (tmp != 0x00 && tmp != 0xff)
1514 break;
1515 }
1516
1517 if (tmp == 0x00 || tmp == 0xff)
1518 {
1519 printf("%s: timeout waiting for BBP to wakeup\n",
1520 device_get_nameunit(sc->dev));
1521 return ETIMEDOUT;
1522 }
1523
1524 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1525 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1526 rt2860_def_bbp[i].val);
1527
1528 if ((sc->mac_rev & 0xffff) != 0x0101)
1529 rt2860_io_bbp_write(sc, 84, 0x19);
1530
1531 if (sc->mac_rev == 0x28600100)
1532 {
1533 rt2860_io_bbp_write(sc, 69, 0x16);
1534 rt2860_io_bbp_write(sc, 73, 0x12);
1535 }
1536
1537 return 0;
1538 }
1539
1540 /*
1541 * rt2860_stop_locked
1542 */
1543 static void rt2860_stop_locked(void *priv)
1544 {
1545 struct rt2860_softc *sc;
1546 struct ifnet *ifp;
1547 struct ieee80211com *ic;
1548 uint32_t tmp;
1549
1550 sc = priv;
1551 ifp = sc->ifp;
1552 ic = ifp->if_l2com;
1553
1554 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1555 "%s: stopping\n",
1556 device_get_nameunit(sc->dev));
1557
1558 RT2860_SOFTC_ASSERT_LOCKED(sc);
1559
1560 sc->tx_timer = 0;
1561
1562 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1563 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1564
1565 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1566
1567 callout_stop(&sc->periodic_ch);
1568 callout_stop(&sc->tx_watchdog_ch);
1569
1570 RT2860_SOFTC_UNLOCK(sc);
1571
1572 taskqueue_block(sc->taskqueue);
1573
1574 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1575 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1576 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1577 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1578
1579 RT2860_SOFTC_LOCK(sc);
1580
1581 /* clear key tables */
1582
1583 rt2860_asic_clear_keytables(sc);
1584
1585 /* disable interrupts */
1586
1587 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1588
1589 /* disable Tx/Rx */
1590
1591 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1592
1593 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1594
1595 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1596
1597 /* reset adapter */
1598
1599 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1600 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1601 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1602 }
1603
1604 /*
1605 * rt2860_stop
1606 */
1607 static void rt2860_stop(void *priv)
1608 {
1609 struct rt2860_softc *sc;
1610
1611 sc = priv;
1612
1613 RT2860_SOFTC_LOCK(sc);
1614
1615 rt2860_stop_locked(sc);
1616
1617 RT2860_SOFTC_UNLOCK(sc);
1618 }
1619
1620 /*
1621 * rt2860_start
1622 */
1623 static void rt2860_start(struct ifnet *ifp)
1624 {
1625 struct rt2860_softc *sc;
1626 struct ieee80211_node *ni;
1627 struct mbuf *m;
1628 int qid;
1629
1630 sc = ifp->if_softc;
1631
1632 RT2860_SOFTC_LOCK(sc);
1633
1634 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1635 {
1636 RT2860_SOFTC_UNLOCK(sc);
1637 return;
1638 }
1639
1640 for (;;)
1641 {
1642 IF_POLL(&ifp->if_snd, m);
1643 if (m == NULL)
1644 break;
1645
1646 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1647
1648 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1649
1650 qid = M_WME_GETAC(m);
1651
1652 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1653 {
1654 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1655 "%s: if_start: Tx ring with qid=%d is full\n",
1656 device_get_nameunit(sc->dev), qid);
1657
1658 m_freem(m);
1659 ieee80211_free_node(ni);
1660 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1661 ifp->if_oerrors++;
1662 break;
1663 }
1664
1665 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1666 {
1667 ieee80211_free_node(ni);
1668 ifp->if_oerrors++;
1669 break;
1670 }
1671
1672 rt2860_drain_fifo_stats(sc);
1673
1674 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1675
1676 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1677 }
1678
1679 RT2860_SOFTC_UNLOCK(sc);
1680 }
1681
1682 /*
1683 * rt2860_ioctl
1684 */
1685 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1686 {
1687 struct rt2860_softc *sc;
1688 struct ieee80211com *ic;
1689 struct ifreq *ifr;
1690 int error, startall;
1691
1692 sc = ifp->if_softc;
1693 ic = ifp->if_l2com;
1694 ifr = (struct ifreq *) data;
1695
1696 error = 0;
1697
1698 switch (cmd)
1699 {
1700 case SIOCSIFFLAGS:
1701 startall = 0;
1702
1703 RT2860_SOFTC_LOCK(sc);
1704
1705 if (ifp->if_flags & IFF_UP)
1706 {
1707 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1708 {
1709 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1710 rt2860_asic_update_promisc(sc);
1711 }
1712 else
1713 {
1714 rt2860_init_locked(sc);
1715 startall = 1;
1716 }
1717 }
1718 else
1719 {
1720 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1721 rt2860_stop_locked(sc);
1722 }
1723
1724 sc->if_flags = ifp->if_flags;
1725
1726 RT2860_SOFTC_UNLOCK(sc);
1727
1728 if (startall)
1729 ieee80211_start_all(ic);
1730 break;
1731
1732 case SIOCGIFMEDIA:
1733 case SIOCSIFMEDIA:
1734 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1735 break;
1736
1737 case SIOCGIFADDR:
1738 error = ether_ioctl(ifp, cmd, data);
1739 break;
1740
1741 default:
1742 error = EINVAL;
1743 break;
1744 }
1745
1746 return error;
1747 }
1748
1749 /*
1750 * rt2860_vap_create
1751 */
1752 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1753 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1754 const uint8_t bssid[IEEE80211_ADDR_LEN],
1755 const uint8_t mac[IEEE80211_ADDR_LEN])
1756 {
1757 struct rt2860_softc *sc;
1758 struct ifnet *ifp;
1759 struct rt2860_softc_vap *rvap;
1760 struct ieee80211vap *vap;
1761
1762 ifp = ic->ic_ifp;
1763 sc = ifp->if_softc;
1764
1765 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1766 "%s: VAP create: opmode=%s\n",
1767 device_get_nameunit(sc->dev),
1768 ieee80211_opmode_name[opmode]);
1769
1770 switch (opmode)
1771 {
1772 case IEEE80211_M_MONITOR:
1773 case IEEE80211_M_IBSS:
1774 case IEEE80211_M_STA:
1775 case IEEE80211_M_AHDEMO:
1776 case IEEE80211_M_HOSTAP:
1777 case IEEE80211_M_MBSS:
1778 if (!TAILQ_EMPTY(&ic->ic_vaps))
1779 {
1780 if_printf(ifp, "only 1 VAP supported\n");
1781 return NULL;
1782 }
1783
1784 if (opmode == IEEE80211_M_STA)
1785 flags |= IEEE80211_CLONE_NOBEACONS;
1786 break;
1787
1788 case IEEE80211_M_WDS:
1789 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1790 {
1791 if_printf(ifp, "WDS only supported in AP mode\n");
1792 return NULL;
1793 }
1794
1795 flags &= ~IEEE80211_CLONE_BSSID;
1796 break;
1797
1798 default:
1799 if_printf(ifp, "unknown opmode %d\n", opmode);
1800 return NULL;
1801 }
1802
1803 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1804 M_80211_VAP, M_NOWAIT | M_ZERO);
1805 if (rvap == NULL)
1806 return NULL;
1807
1808 vap = &rvap->vap;
1809
1810 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1811
1812 rvap->newstate = vap->iv_newstate;
1813 vap->iv_newstate = rt2860_vap_newstate;
1814
1815 vap->iv_reset = rt2860_vap_reset;
1816 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1817 vap->iv_key_update_end = rt2860_vap_key_update_end;
1818 vap->iv_key_set = rt2860_vap_key_set;
1819 vap->iv_key_delete = rt2860_vap_key_delete;
1820 vap->iv_update_beacon = rt2860_vap_update_beacon;
1821
1822 rt2860_amrr_init(&rvap->amrr, vap,
1823 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1824 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1825 500);
1826
1827 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1828
1829 ic->ic_opmode = opmode;
1830
1831 return vap;
1832 }
1833
1834 /*
1835 * rt2860_vap_delete
1836 */
1837 static void rt2860_vap_delete(struct ieee80211vap *vap)
1838 {
1839 struct rt2860_softc *sc;
1840 struct ieee80211com *ic;
1841 struct ifnet *ifp;
1842 struct rt2860_softc_vap *rvap;
1843
1844 ic = vap->iv_ic;
1845 ifp = ic->ic_ifp;
1846 sc = ifp->if_softc;
1847 rvap = (struct rt2860_softc_vap *) vap;
1848
1849 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1850 "%s: VAP delete: opmode=%s\n",
1851 device_get_nameunit(sc->dev),
1852 ieee80211_opmode_name[vap->iv_opmode]);
1853
1854 rt2860_amrr_cleanup(&rvap->amrr);
1855
1856 ieee80211_vap_detach(vap);
1857
1858 free(rvap, M_80211_VAP);
1859 }
1860
1861 /*
1862 * rt2860_reset_vap
1863 */
1864 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1865 {
1866 struct rt2860_softc *sc;
1867 struct ieee80211com *ic;
1868 struct ifnet *ifp;
1869 struct rt2860_softc_vap *rvap;
1870 int error;
1871
1872 ic = vap->iv_ic;
1873 ifp = ic->ic_ifp;
1874 sc = ifp->if_softc;
1875 rvap = (struct rt2860_softc_vap *) vap;
1876
1877 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1878 "%s: VAP reset: cmd=%lu\n",
1879 device_get_nameunit(sc->dev), cmd);
1880
1881 error = 0;
1882
1883 switch (cmd)
1884 {
1885 case IEEE80211_IOC_RTSTHRESHOLD:
1886 rt2860_asic_update_rtsthreshold(sc);
1887 break;
1888
1889 case IEEE80211_IOC_PROTMODE:
1890 case IEEE80211_IOC_HTPROTMODE:
1891 rt2860_asic_updateprot(sc);
1892 break;
1893
1894 case IEEE80211_IOC_TXPOWER:
1895 rt2860_asic_update_txpower(sc);
1896 break;
1897
1898 case IEEE80211_IOC_SHORTGI:
1899 case IEEE80211_IOC_AMPDU_DENSITY:
1900 break;
1901
1902 default:
1903 error = ENETRESET;
1904 break;
1905 }
1906
1907 return error;
1908 }
1909
1910 /*
1911 * rt2860_vap_newstate
1912 */
1913 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1914 enum ieee80211_state nstate, int arg)
1915 {
1916 struct rt2860_softc *sc;
1917 struct ieee80211com *ic;
1918 struct ifnet *ifp;
1919 struct rt2860_softc_vap *rvap;
1920 struct ieee80211_node *ni;
1921 enum ieee80211_state ostate;
1922 int error;
1923
1924 ic = vap->iv_ic;
1925 ifp = ic->ic_ifp;
1926 sc = ifp->if_softc;
1927 rvap = (struct rt2860_softc_vap *) vap;
1928
1929 ostate = vap->iv_state;
1930
1931 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1932 "%s: VAP newstate: %s -> %s\n",
1933 device_get_nameunit(sc->dev),
1934 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1935
1936 error = rvap->newstate(vap, nstate, arg);
1937 if (error != 0)
1938 return error;
1939
1940 IEEE80211_UNLOCK(ic);
1941
1942 RT2860_SOFTC_LOCK(sc);
1943
1944 /* turn link LED off */
1945
1946 if (nstate != IEEE80211_S_RUN)
1947 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1948
1949 switch (nstate)
1950 {
1951 case IEEE80211_S_INIT:
1952 rt2860_asic_disable_tsf_sync(sc);
1953 break;
1954
1955 case IEEE80211_S_RUN:
1956 ni = vap->iv_bss;
1957
1958 rt2860_rf_set_chan(sc, ni->ni_chan);
1959
1960 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1961 {
1962 rt2860_asic_enable_mrr(sc);
1963 rt2860_asic_set_txpreamble(sc);
1964 rt2860_asic_set_basicrates(sc);
1965 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1966 }
1967
1968 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1969 vap->iv_opmode == IEEE80211_M_IBSS ||
1970 vap->iv_opmode == IEEE80211_M_MBSS)
1971 {
1972 error = rt2860_asic_update_beacon(sc, vap);
1973 if (error != 0)
1974 break;
1975 }
1976
1977 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1978 rt2860_asic_enable_tsf_sync(sc);
1979
1980 /* turn link LED on */
1981
1982 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1983 {
1984 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
1985 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1986 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
1987 }
1988 break;
1989
1990 default:
1991 break;
1992 }
1993
1994 RT2860_SOFTC_UNLOCK(sc);
1995
1996 IEEE80211_LOCK(ic);
1997
1998 return error;
1999 }
2000
2001 /*
2002 * rt2860_vap_key_update_begin
2003 */
2004 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2005 {
2006 struct rt2860_softc *sc;
2007 struct ieee80211com *ic;
2008 struct ifnet *ifp;
2009
2010 ic = vap->iv_ic;
2011 ifp = ic->ic_ifp;
2012 sc = ifp->if_softc;
2013
2014 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2015 "%s: VAP key update begin\n",
2016 device_get_nameunit(sc->dev));
2017
2018 taskqueue_block(sc->taskqueue);
2019
2020 IF_LOCK(&ifp->if_snd);
2021 }
2022
2023 /*
2024 * rt2860_vap_key_update_end
2025 */
2026 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2027 {
2028 struct rt2860_softc *sc;
2029 struct ieee80211com *ic;
2030 struct ifnet *ifp;
2031
2032 ic = vap->iv_ic;
2033 ifp = ic->ic_ifp;
2034 sc = ifp->if_softc;
2035
2036 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2037 "%s: VAP key update end\n",
2038 device_get_nameunit(sc->dev));
2039
2040 IF_UNLOCK(&ifp->if_snd);
2041
2042 taskqueue_unblock(sc->taskqueue);
2043 }
2044
2045 /*
2046 * rt2860_vap_key_set
2047 */
2048 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2049 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2050 {
2051 struct rt2860_softc *sc;
2052 struct ieee80211com *ic;
2053 struct ifnet *ifp;
2054 struct ieee80211_node *ni;
2055 uint16_t associd, key_base, keymode_base;
2056 uint8_t mode, vapid, wcid, iv[8];
2057 uint32_t tmp;
2058
2059 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2060 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2061 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2062 return EINVAL;
2063
2064 ic = vap->iv_ic;
2065 ifp = ic->ic_ifp;
2066 sc = ifp->if_softc;
2067
2068 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2069 ni = vap->iv_bss;
2070 else
2071 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2072
2073 associd = (ni != NULL) ? ni->ni_associd : 0;
2074
2075 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2076 ieee80211_free_node(ni);
2077
2078 switch (k->wk_cipher->ic_cipher)
2079 {
2080 case IEEE80211_CIPHER_WEP:
2081 if(k->wk_keylen < 8)
2082 mode = RT2860_REG_CIPHER_MODE_WEP40;
2083 else
2084 mode = RT2860_REG_CIPHER_MODE_WEP104;
2085 break;
2086
2087 case IEEE80211_CIPHER_TKIP:
2088 mode = RT2860_REG_CIPHER_MODE_TKIP;
2089 break;
2090
2091 case IEEE80211_CIPHER_AES_CCM:
2092 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2093 break;
2094
2095 default:
2096 return EINVAL;
2097 }
2098
2099 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2100 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2101 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2102 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2103
2104 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2105 {
2106 /* install pairwise key */
2107
2108 vapid = 0;
2109 wcid = RT2860_AID2WCID(associd);
2110 key_base = RT2860_REG_PKEY(wcid);
2111
2112 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2113 {
2114 memset(iv, 0, 8);
2115
2116 iv[3] = (k->wk_keyix << 6);
2117 }
2118 else
2119 {
2120 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2121 {
2122 iv[0] = (k->wk_keytsc >> 8);
2123 iv[1] = ((iv[0] | 0x20) & 0x7f);
2124 iv[2] = k->wk_keytsc;
2125 }
2126 else
2127 {
2128 /* AES CCMP */
2129
2130 iv[0] = k->wk_keytsc;
2131 iv[1] = k->wk_keytsc >> 8;
2132 iv[2] = 0;
2133 }
2134
2135 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2136 iv[4] = (k->wk_keytsc >> 16);
2137 iv[5] = (k->wk_keytsc >> 24);
2138 iv[6] = (k->wk_keytsc >> 32);
2139 iv[7] = (k->wk_keytsc >> 40);
2140
2141 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2142 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2143 device_get_nameunit(sc->dev),
2144 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2145 }
2146
2147 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2148
2149 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2150 {
2151 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2152
2153 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2154 {
2155 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2156 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2157 }
2158 else
2159 {
2160 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2161 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2162 }
2163 }
2164 else
2165 {
2166 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2167 }
2168
2169 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2170 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2171
2172 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2173 }
2174
2175 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2176 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2177 {
2178 /* install group key */
2179
2180 vapid = 0;
2181 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2182 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2183
2184 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2185 {
2186 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2187
2188 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2189 {
2190 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2191 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2192 }
2193 else
2194 {
2195 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2196 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2197 }
2198 }
2199 else
2200 {
2201 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2202 }
2203
2204 tmp = rt2860_io_mac_read(sc, keymode_base);
2205
2206 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2207 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2208
2209 rt2860_io_mac_write(sc, keymode_base, tmp);
2210 }
2211
2212 return 1;
2213 }
2214
2215 /*
2216 * rt2860_vap_key_delete
2217 */
2218 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2219 const struct ieee80211_key *k)
2220 {
2221 struct rt2860_softc *sc;
2222 struct ieee80211com *ic;
2223 struct ifnet *ifp;
2224 struct ieee80211_node *ni;
2225 uint16_t associd;
2226 uint8_t vapid, wcid;
2227 uint32_t tmp;
2228
2229 ic = vap->iv_ic;
2230 ifp = ic->ic_ifp;
2231 sc = ifp->if_softc;
2232 ni = vap->iv_bss;
2233 associd = (ni != NULL) ? ni->ni_associd : 0;
2234
2235 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2236 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2237 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2238 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2239
2240 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2241 {
2242 /* remove pairwise key */
2243
2244 wcid = RT2860_AID2WCID(associd);
2245
2246 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID_ATTR(wcid));
2247
2248 tmp &= ~0xf;
2249 tmp |= (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT);
2250
2251 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2252 }
2253 else
2254 {
2255 /* remove group key */
2256
2257 vapid = 0;
2258
2259 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2260
2261 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2262 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2263
2264 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2265 }
2266
2267 return 1;
2268 }
2269
2270 /*
2271 * rt2860_vap_update_beacon
2272 */
2273 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2274 {
2275 struct rt2860_softc *sc;
2276 struct ieee80211com *ic;
2277 struct ifnet *ifp;
2278
2279 ic = vap->iv_ic;
2280 ifp = ic->ic_ifp;
2281 sc = ifp->if_softc;
2282
2283 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2284 "%s: VAP update beacon\n",
2285 device_get_nameunit(sc->dev));
2286
2287 rt2860_asic_update_beacon(sc, vap);
2288 }
2289
2290 /*
2291 * rt2860_media_change
2292 */
2293 static int rt2860_media_change(struct ifnet *ifp)
2294 {
2295 int error;
2296
2297 error = ieee80211_media_change(ifp);
2298
2299 return (error == ENETRESET ? 0 : error);
2300 }
2301
2302 /*
2303 * rt2860_node_alloc
2304 */
2305 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2306 const uint8_t mac[IEEE80211_ADDR_LEN])
2307 {
2308 return malloc(sizeof(struct rt2860_softc_node),
2309 M_80211_NODE, M_NOWAIT | M_ZERO);
2310 }
2311
2312 /*
2313 * rt2860_setregdomain
2314 */
2315 static int rt2860_setregdomain(struct ieee80211com *ic,
2316 struct ieee80211_regdomain *reg,
2317 int nchans, struct ieee80211_channel chans[])
2318 {
2319 struct rt2860_softc *sc;
2320 struct ifnet *ifp;
2321
2322 ifp = ic->ic_ifp;
2323 sc = ifp->if_softc;
2324
2325 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2326 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2327 device_get_nameunit(sc->dev),
2328 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2329
2330 return 0;
2331 }
2332
2333 /*
2334 * rt2860_getradiocaps
2335 */
2336 static void rt2860_getradiocaps(struct ieee80211com *ic,
2337 int maxchans, int *nchans, struct ieee80211_channel chans[])
2338 {
2339 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2340
2341 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2342 }
2343
2344 /*
2345 * rt2860_scan_start
2346 */
2347 static void rt2860_scan_start(struct ieee80211com *ic)
2348 {
2349 struct rt2860_softc *sc;
2350 struct ifnet *ifp;
2351
2352 ifp = ic->ic_ifp;
2353 sc = ifp->if_softc;
2354
2355 rt2860_asic_disable_tsf_sync(sc);
2356 }
2357
2358 /*
2359 * rt2860_scan_end
2360 */
2361 static void rt2860_scan_end(struct ieee80211com *ic)
2362 {
2363 struct rt2860_softc *sc;
2364 struct ifnet *ifp;
2365
2366 ifp = ic->ic_ifp;
2367 sc = ifp->if_softc;
2368
2369 rt2860_asic_enable_tsf_sync(sc);
2370 }
2371
2372 /*
2373 * rt2860_set_channel
2374 */
2375 static void rt2860_set_channel(struct ieee80211com *ic)
2376 {
2377 struct rt2860_softc *sc;
2378 struct ifnet *ifp;
2379
2380 ifp = ic->ic_ifp;
2381 sc = ifp->if_softc;
2382
2383 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2384 "%s: set channel: channel=%u, HT%s%s\n",
2385 device_get_nameunit(sc->dev),
2386 ieee80211_chan2ieee(ic, ic->ic_curchan),
2387 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2388 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2389 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2390 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2391
2392 RT2860_SOFTC_LOCK(sc);
2393
2394 rt2860_rf_set_chan(sc, ic->ic_curchan);
2395
2396 RT2860_SOFTC_UNLOCK(sc);
2397 }
2398
2399 /*
2400 * rt2860_newassoc
2401 */
2402 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2403 {
2404 struct rt2860_softc *sc;
2405 struct ieee80211com *ic;
2406 struct ifnet *ifp;
2407 struct ieee80211vap *vap;
2408 struct rt2860_softc_vap *rvap;
2409 uint16_t associd;
2410 uint8_t wcid;
2411
2412 vap = ni->ni_vap;
2413 ic = vap->iv_ic;
2414 ifp = ic->ic_ifp;
2415 sc = ifp->if_softc;
2416 rvap = (struct rt2860_softc_vap *) vap;
2417
2418 associd = (ni != NULL) ? ni->ni_associd : 0;
2419 wcid = RT2860_AID2WCID(associd);
2420
2421 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2422 "%s: new association: wcid=0x%02x, "
2423 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2424 device_get_nameunit(sc->dev), wcid,
2425 ether_sprintf(ni->ni_macaddr),
2426 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2427 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2428 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2429
2430 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2431 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2432
2433 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2434
2435 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2436 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2437 device_get_nameunit(sc->dev),
2438 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2439 ni->ni_associd, ni->ni_txrate,
2440 (ni->ni_flags & IEEE80211_NODE_HT) ?
2441 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2442 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2443
2444 rt2860_asic_updateprot(sc);
2445 rt2860_asic_updateslot(sc);
2446 rt2860_asic_set_txpreamble(sc);
2447 }
2448
2449 /*
2450 * rt2860_updateslot
2451 */
2452 static void rt2860_updateslot(struct ifnet *ifp)
2453 {
2454 struct rt2860_softc *sc;
2455
2456 sc = ifp->if_softc;
2457
2458 rt2860_asic_updateslot(sc);
2459 }
2460
2461 /*
2462 * rt2860_update_promisc
2463 */
2464 static void rt2860_update_promisc(struct ifnet *ifp)
2465 {
2466 struct rt2860_softc *sc;
2467
2468 sc = ifp->if_softc;
2469
2470 rt2860_asic_update_promisc(sc);
2471 }
2472
2473 /*
2474 * rt2860_update_mcast
2475 */
2476 static void rt2860_update_mcast(struct ifnet *ifp)
2477 {
2478 struct rt2860_softc *sc;
2479
2480 sc = ifp->if_softc;
2481 }
2482
2483 /*
2484 * rt2860_wme_update
2485 */
2486 static int rt2860_wme_update(struct ieee80211com *ic)
2487 {
2488 struct rt2860_softc *sc;
2489 struct ifnet *ifp;
2490
2491 ifp = ic->ic_ifp;
2492 sc = ifp->if_softc;
2493
2494 rt2860_asic_wme_update(sc);
2495
2496 return 0;
2497 }
2498
2499 /*
2500 * rt2860_raw_xmit
2501 */
2502 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2503 const struct ieee80211_bpf_params *params)
2504 {
2505 struct rt2860_softc *sc;
2506 struct ieee80211com *ic;
2507 struct ifnet *ifp;
2508
2509 ic = ni->ni_ic;
2510 ifp = ic->ic_ifp;
2511 sc = ifp->if_softc;
2512
2513 RT2860_SOFTC_LOCK(sc);
2514
2515 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2516 {
2517 RT2860_SOFTC_UNLOCK(sc);
2518 m_freem(m);
2519 ieee80211_free_node(ni);
2520 return ENETDOWN;
2521 }
2522
2523 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2524 {
2525 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2526 "%s: raw xmit: Tx ring with qid=%d is full\n",
2527 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2528
2529 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2530 RT2860_SOFTC_UNLOCK(sc);
2531 m_freem(m);
2532 ieee80211_free_node(ni);
2533 return ENOBUFS;
2534 }
2535
2536 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2537 {
2538 ifp->if_oerrors++;
2539 RT2860_SOFTC_UNLOCK(sc);
2540 ieee80211_free_node(ni);
2541 return EIO;
2542 }
2543
2544 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2545
2546 RT2860_SOFTC_UNLOCK(sc);
2547
2548 return 0;
2549 }
2550
2551 /*
2552 * rt2860_recv_action
2553 */
2554 static int rt2860_recv_action(struct ieee80211_node *ni,
2555 const struct ieee80211_frame *wh,
2556 const uint8_t *frm, const uint8_t *efrm)
2557 {
2558 struct rt2860_softc *sc;
2559 struct ieee80211com *ic;
2560 struct ifnet *ifp;
2561 const struct ieee80211_action *ia;
2562 uint16_t associd, baparamset;
2563 uint8_t wcid;
2564 int ret, tid;
2565 uint32_t tmp;
2566
2567 ic = ni->ni_ic;
2568 ifp = ic->ic_ifp;
2569 sc = ifp->if_softc;
2570
2571 ia = (const struct ieee80211_action *) frm;
2572
2573 ret = sc->recv_action(ni, wh, frm, efrm);
2574
2575 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2576 return ret;
2577
2578 associd = (ni != NULL) ? ni->ni_associd : 0;
2579 wcid = RT2860_AID2WCID(associd);
2580
2581 switch (ia->ia_action)
2582 {
2583 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2584 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2585 baparamset = LE_READ_2(frm + 3);
2586 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2587
2588 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2589 "%s: adding A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2590 device_get_nameunit(sc->dev), associd, tid);
2591
2592 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2593
2594 tmp |= (0x10000 << tid);
2595
2596 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2597 break;
2598
2599 /* IEEE80211_ACTION_BA_DELBA */
2600 case IEEE80211_ACTION_BA_DELBA:
2601 baparamset = LE_READ_2(frm + 2);
2602 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2603
2604 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2605 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2606 device_get_nameunit(sc->dev), associd, tid);
2607
2608 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2609
2610 tmp &= ~(0x10000 << tid);
2611
2612 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2613 break;
2614 }
2615
2616 return ret;
2617 }
2618
2619 /*
2620 * rt2860_send_action
2621 */
2622 static int rt2860_send_action(struct ieee80211_node *ni,
2623 int cat, int act, void *sa)
2624 {
2625 struct rt2860_softc *sc;
2626 struct ieee80211com *ic;
2627 struct ifnet *ifp;
2628 uint16_t associd, *args, baparamset;
2629 uint8_t wcid;
2630 int ret, tid;
2631 uint32_t tmp;
2632
2633 ic = ni->ni_ic;
2634 ifp = ic->ic_ifp;
2635 sc = ifp->if_softc;
2636
2637 ret = sc->send_action(ni, cat, act, sa);
2638
2639 if (cat != IEEE80211_ACTION_CAT_BA)
2640 return ret;
2641
2642 associd = (ni != NULL) ? ni->ni_associd : 0;
2643 wcid = RT2860_AID2WCID(associd);
2644 args = sa;
2645
2646 switch (act)
2647 {
2648 /* IEEE80211_ACTION_BA_DELBA */
2649 case IEEE80211_ACTION_BA_DELBA:
2650 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2651
2652 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2653 break;
2654
2655 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2656
2657 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2658 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2659 device_get_nameunit(sc->dev), associd, tid);
2660
2661 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2662
2663 tmp &= ~(0x10000 << tid);
2664
2665 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2666 break;
2667 }
2668
2669 return ret;
2670 }
2671
2672 /*
2673 * rt2860_amrr_update_iter_func
2674 */
2675 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2676 {
2677 struct rt2860_softc *sc;
2678 struct ieee80211com *ic;
2679 struct ifnet *ifp;
2680 struct ieee80211vap *vap;
2681 struct rt2860_softc_vap *rvap;
2682 uint8_t wcid;
2683
2684 vap = arg;
2685 ic = vap->iv_ic;
2686 ifp = ic->ic_ifp;
2687 sc = ifp->if_softc;
2688 rvap = (struct rt2860_softc_vap *) vap;
2689
2690 /* only associated stations */
2691
2692 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2693 {
2694 wcid = RT2860_AID2WCID(ni->ni_associd);
2695
2696 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2697
2698 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2699 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2700 device_get_nameunit(sc->dev),
2701 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2702 ni->ni_associd, ni->ni_txrate,
2703 (ni->ni_flags & IEEE80211_NODE_HT) ?
2704 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2705 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2706 }
2707 }
2708
2709 /*
2710 * rt2860_periodic
2711 */
2712 static void rt2860_periodic(void *arg)
2713 {
2714 struct rt2860_softc *sc;
2715
2716 sc = arg;
2717
2718 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2719 "%s: periodic\n",
2720 device_get_nameunit(sc->dev));
2721
2722 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2723 }
2724
2725 /*
2726 * rt2860_tx_watchdog
2727 */
2728 static void rt2860_tx_watchdog(void *arg)
2729 {
2730 struct rt2860_softc *sc;
2731 struct ifnet *ifp;
2732
2733 sc = arg;
2734 ifp = sc->ifp;
2735
2736 if (sc->tx_timer == 0)
2737 return;
2738
2739 if (--sc->tx_timer == 0)
2740 {
2741 printf("%s: Tx watchdog timeout: resetting\n",
2742 device_get_nameunit(sc->dev));
2743
2744 rt2860_stop_locked(sc);
2745 rt2860_init_locked(sc);
2746
2747 ifp->if_oerrors++;
2748
2749 sc->tx_watchdog_timeouts++;
2750 }
2751
2752 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2753 }
2754
2755 /*
2756 * rt2860_asic_set_bssid
2757 */
2758 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2759 const uint8_t *bssid)
2760 {
2761 uint32_t tmp;
2762
2763 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2764 "%s: set bssid: bssid=%s\n",
2765 device_get_nameunit(sc->dev),
2766 ether_sprintf(bssid));
2767
2768 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2769
2770 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2771
2772 tmp = bssid[4] | (bssid[5] << 8);
2773
2774 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2775 }
2776
2777 /*
2778 * rt2860_asic_set_macaddr
2779 */
2780 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2781 const uint8_t *addr)
2782 {
2783 uint32_t tmp;
2784
2785 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2786
2787 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2788
2789 tmp = addr[4] | (addr[5] << 8);
2790
2791 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2792 }
2793
2794 /*
2795 * rt2860_asic_enable_tsf_sync
2796 */
2797 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2798 {
2799 struct ifnet *ifp;
2800 struct ieee80211com *ic;
2801 struct ieee80211vap *vap;
2802 uint32_t tmp;
2803
2804 ifp = sc->ifp;
2805 ic = ifp->if_l2com;
2806 vap = TAILQ_FIRST(&ic->ic_vaps);
2807
2808 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2809 "%s: enabling TSF\n",
2810 device_get_nameunit(sc->dev));
2811
2812 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2813
2814 tmp &= ~0x1fffff;
2815 tmp |= vap->iv_bss->ni_intval * 16;
2816 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2817
2818 if (vap->iv_opmode == IEEE80211_M_STA)
2819 {
2820 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2821 }
2822 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2823 {
2824 tmp |= RT2860_REG_BCN_TX_ENABLE;
2825 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2826 }
2827 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2828 {
2829 tmp |= RT2860_REG_BCN_TX_ENABLE;
2830 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2831 }
2832
2833 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2834 }
2835
2836 /*
2837 * rt2860_asic_disable_tsf_sync
2838 */
2839 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2840 {
2841 uint32_t tmp;
2842
2843 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2844 "%s: disabling TSF\n",
2845 device_get_nameunit(sc->dev));
2846
2847 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2848
2849 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2850 RT2860_REG_TSF_TIMER_ENABLE |
2851 RT2860_REG_TBTT_TIMER_ENABLE);
2852
2853 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2854 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2855
2856 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2857 }
2858
2859 /*
2860 * rt2860_asic_enable_mrr
2861 */
2862 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2863 {
2864 #define CCK(mcs) (mcs)
2865 #define OFDM(mcs) ((1 << 3) | (mcs))
2866 #define HT(mcs) (mcs)
2867
2868 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2869 (OFDM(6) << 28) | /* 54 -> 48 */
2870 (OFDM(5) << 24) | /* 48 -> 36 */
2871 (OFDM(4) << 20) | /* 36 -> 24 */
2872 (OFDM(3) << 16) | /* 24 -> 18 */
2873 (OFDM(2) << 12) | /* 18 -> 12 */
2874 (OFDM(1) << 8) | /* 12 -> 9 */
2875 (OFDM(0) << 4) | /* 9 -> 6 */
2876 OFDM(0)); /* 6 -> 6 */
2877
2878 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2879 (CCK(2) << 12) | /* 11 -> 5.5 */
2880 (CCK(1) << 8) | /* 5.5 -> 2 */
2881 (CCK(0) << 4) | /* 2 -> 1 */
2882 CCK(0)); /* 1 -> 1 */
2883
2884 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2885 (HT(6) << 28) |
2886 (HT(5) << 24) |
2887 (HT(4) << 20) |
2888 (HT(3) << 16) |
2889 (HT(2) << 12) |
2890 (HT(1) << 8) |
2891 (HT(0) << 4) |
2892 HT(0));
2893
2894 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2895 (HT(14) << 28) |
2896 (HT(13) << 24) |
2897 (HT(12) << 20) |
2898 (HT(11) << 16) |
2899 (HT(10) << 12) |
2900 (HT(9) << 8) |
2901 (HT(8) << 4) |
2902 HT(8));
2903
2904 #undef HT
2905 #undef OFDM
2906 #undef CCK
2907 }
2908
2909 /*
2910 * rt2860_asic_set_txpreamble
2911 */
2912 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2913 {
2914 struct ifnet *ifp;
2915 struct ieee80211com *ic;
2916 uint32_t tmp;
2917
2918 ifp = sc->ifp;
2919 ic = ifp->if_l2com;
2920
2921 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2922 "%s: %s short Tx preamble\n",
2923 device_get_nameunit(sc->dev),
2924 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2925
2926 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2927
2928 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2929
2930 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2931 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2932
2933 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2934 }
2935
2936 /*
2937 * rt2860_asic_set_basicrates
2938 */
2939 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2940 {
2941 struct ifnet *ifp;
2942 struct ieee80211com *ic;
2943
2944 ifp = sc->ifp;
2945 ic = ifp->if_l2com;
2946
2947 if (ic->ic_curmode == IEEE80211_MODE_11B)
2948 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2949 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2950 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2951 else
2952 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2953 }
2954
2955 /*
2956 * rt2860_asic_update_rtsthreshold
2957 */
2958 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2959 {
2960 struct ifnet *ifp;
2961 struct ieee80211com *ic;
2962 struct ieee80211vap *vap;
2963 uint32_t tmp;
2964 uint16_t threshold;
2965
2966 ifp = sc->ifp;
2967 ic = ifp->if_l2com;
2968 vap = TAILQ_FIRST(&ic->ic_vaps);
2969
2970 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
2971 "%s: updating RTS threshold: %d\n",
2972 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
2973
2974 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
2975
2976 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2977
2978 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
2979 vap->iv_rtsthreshold : 0x1000;
2980
2981 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
2982 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
2983
2984 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
2985 }
2986
2987 /*
2988 * rt2860_asic_update_txpower
2989 */
2990 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
2991 {
2992 struct ifnet *ifp;
2993 struct ieee80211com *ic;
2994 uint32_t *txpow_rate;
2995 int8_t delta;
2996 uint8_t val;
2997 uint32_t tmp;
2998 int i;
2999
3000 ifp = sc->ifp;
3001 ic = ifp->if_l2com;
3002
3003 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3004 "%s: updating Tx power: %d\n",
3005 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3006
3007 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3008 {
3009 txpow_rate = sc->txpow_rate_20mhz;
3010 }
3011 else
3012 {
3013 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3014 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3015 else
3016 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3017 }
3018
3019 delta = 0;
3020
3021 val = rt2860_io_bbp_read(sc, 1);
3022 val &= 0xfc;
3023
3024 if (ic->ic_txpowlimit > 90)
3025 {
3026 /* do nothing */
3027 }
3028 else if (ic->ic_txpowlimit > 60)
3029 {
3030 delta -= 1;
3031 }
3032 else if (ic->ic_txpowlimit > 30)
3033 {
3034 delta -= 3;
3035 }
3036 else if (ic->ic_txpowlimit > 15)
3037 {
3038 val |= 0x1;
3039 }
3040 else if (ic->ic_txpowlimit > 9)
3041 {
3042 val |= 0x1;
3043 delta -= 3;
3044 }
3045 else
3046 {
3047 val |= 0x2;
3048 }
3049
3050 rt2860_io_bbp_write(sc, 1, val);
3051
3052 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3053 {
3054 if (txpow_rate[i] == 0xffffffff)
3055 continue;
3056
3057 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3058
3059 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3060 }
3061 }
3062
3063 /*
3064 * rt2860_asic_update_promisc
3065 */
3066 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3067 {
3068 struct ifnet *ifp;
3069 uint32_t tmp;
3070
3071 ifp = sc->ifp;
3072
3073 printf("%s: %s promiscuous mode\n",
3074 device_get_nameunit(sc->dev),
3075 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3076
3077 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3078
3079 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3080
3081 if (!(ifp->if_flags & IFF_PROMISC))
3082 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3083
3084 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3085 }
3086
3087 /*
3088 * rt2860_asic_updateprot
3089 */
3090 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3091 {
3092 struct ifnet *ifp;
3093 struct ieee80211com *ic;
3094 struct ieee80211vap *vap;
3095 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3096 uint8_t htopmode;
3097
3098 ifp = sc->ifp;
3099 ic = ifp->if_l2com;
3100 vap = TAILQ_FIRST(&ic->ic_vaps);
3101
3102 /* CCK frame protection */
3103
3104 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3105 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3106
3107 /* set up protection frame phy mode and rate (MCS code) */
3108
3109 if (ic->ic_curmode == IEEE80211_MODE_11A)
3110 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3111 (0 << RT2860_REG_PROT_MCS_SHIFT);
3112 else
3113 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3114 (3 << RT2860_REG_PROT_MCS_SHIFT));
3115
3116 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3117
3118 /* OFDM frame protection */
3119
3120 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3121 RT2860_REG_TXOP_ALLOW_ALL;
3122
3123 if (ic->ic_flags & IEEE80211_F_USEPROT)
3124 {
3125 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3126 "%s: updating protection mode: b/g protection mode=%s\n",
3127 device_get_nameunit(sc->dev),
3128 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3129 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3130
3131 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3132 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3133 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3134 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3135 else
3136 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3137 }
3138 else
3139 {
3140 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3141 "%s: updating protection mode: b/g protection mode=%s\n",
3142 device_get_nameunit(sc->dev), "none");
3143
3144 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3145 }
3146
3147 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3148
3149 /* HT frame protection */
3150
3151 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3152 htopmode = vap->iv_bss->ni_htopmode;
3153 else
3154 htopmode = ic->ic_curhtprotmode;
3155
3156 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3157 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3158 device_get_nameunit(sc->dev),
3159 htopmode & IEEE80211_HTINFO_OPMODE,
3160 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3161 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3162
3163 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3164 {
3165 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3166 case IEEE80211_HTINFO_OPMODE_HT20PR:
3167 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3168 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3169 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3170 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3171 (4 << RT2860_REG_PROT_MCS_SHIFT);
3172
3173 gf20_prot = mm20_prot;
3174
3175 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3176 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3177 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3178
3179 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3180 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3181 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3182 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3183 else
3184 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3185
3186 gf40_prot = mm40_prot;
3187 break;
3188
3189 /* IEEE80211_HTINFO_OPMODE_MIXED */
3190 case IEEE80211_HTINFO_OPMODE_MIXED:
3191 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3192 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3193 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3194
3195 if (ic->ic_flags & IEEE80211_F_USEPROT)
3196 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3197 (3 << RT2860_REG_PROT_MCS_SHIFT);
3198 else
3199 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3200 (4 << RT2860_REG_PROT_MCS_SHIFT);
3201
3202 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3203 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3204 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3205 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3206 else
3207 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3208
3209 gf20_prot = mm20_prot;
3210
3211 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3212
3213 if (ic->ic_flags & IEEE80211_F_USEPROT)
3214 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3215 (3 << RT2860_REG_PROT_MCS_SHIFT);
3216 else
3217 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3218 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3219
3220 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3221 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3222 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3223 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3224 else
3225 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3226
3227 gf40_prot = mm40_prot;
3228 break;
3229
3230 /*
3231 * IEEE80211_HTINFO_OPMODE_PURE
3232 * IEEE80211_HTINFO_OPMODE_PROTOPT
3233 */
3234 case IEEE80211_HTINFO_OPMODE_PURE:
3235 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3236 default:
3237 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3238 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3239 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3240 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3241 (4 << RT2860_REG_PROT_MCS_SHIFT);
3242
3243 gf20_prot = mm20_prot;
3244
3245 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3246 RT2860_REG_TXOP_ALLOW_ALL |
3247 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3248 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3249
3250 gf40_prot = mm40_prot;
3251 break;
3252 }
3253
3254 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3255 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3256 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3257 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3258 }
3259
3260 /*
3261 * rt2860_asic_updateslot
3262 */
3263 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3264 {
3265 struct ifnet *ifp;
3266 struct ieee80211com *ic;
3267 uint32_t tmp;
3268
3269 ifp = sc->ifp;
3270 ic = ifp->if_l2com;
3271
3272 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3273 "%s: %s short slot time\n",
3274 device_get_nameunit(sc->dev),
3275 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3276
3277 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3278
3279 tmp &= ~0xff;
3280 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3281
3282 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3283 }
3284
3285 /*
3286 * rt2860_asic_wme_update
3287 */
3288 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3289 {
3290 struct ifnet *ifp;
3291 struct ieee80211com *ic;
3292 struct ieee80211_wme_state *wme;
3293 const struct wmeParams *wmep;
3294 int i;
3295
3296 ifp = sc->ifp;
3297 ic = ifp->if_l2com;
3298 wme = &ic->ic_wme;
3299 wmep = wme->wme_chanParams.cap_wmeParams;
3300
3301 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3302 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3303 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3304 device_get_nameunit(sc->dev),
3305 wmep[WME_AC_VO].wmep_aifsn,
3306 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3307 wmep[WME_AC_VO].wmep_txopLimit,
3308 wmep[WME_AC_VI].wmep_aifsn,
3309 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3310 wmep[WME_AC_VI].wmep_txopLimit,
3311 wmep[WME_AC_BK].wmep_aifsn,
3312 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3313 wmep[WME_AC_BK].wmep_txopLimit,
3314 wmep[WME_AC_BE].wmep_aifsn,
3315 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3316 wmep[WME_AC_BE].wmep_txopLimit);
3317
3318 for (i = 0; i < WME_NUM_AC; i++)
3319 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3320 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3321 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3322
3323 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3324 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3325 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3326
3327 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3328 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3329 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3330
3331 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3332 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3333 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3334
3335 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3336 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3337
3338 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3339 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3340 }
3341
3342 /*
3343 * rt2860_asic_update_beacon
3344 */
3345 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3346 struct ieee80211vap *vap)
3347 {
3348 struct ifnet *ifp;
3349 struct ieee80211com *ic;
3350 struct rt2860_softc_vap *rvap;
3351 const struct ieee80211_txparam *tp;
3352 struct mbuf *m;
3353 struct rt2860_txwi txwi;
3354 uint8_t rate, mcs;
3355 uint32_t tmp;
3356
3357 ifp = sc->ifp;
3358 ic = ifp->if_l2com;
3359 rvap = (struct rt2860_softc_vap *) vap;
3360 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3361
3362 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3363 if (m == NULL)
3364 return ENOMEM;
3365
3366 rate = tp->mgmtrate;
3367 mcs = rt2860_rate2mcs(rate);
3368
3369 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3370
3371 txwi.wcid = 0xff;
3372 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3373 RT2860_TXWI_MPDU_LEN_SHIFT);
3374 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3375 txwi.mpdu_density_flags |=
3376 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3377 txwi.bawin_size_xflags |=
3378 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3379
3380 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3381 {
3382 txwi.phymode_ifs_stbc_shortgi =
3383 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3384
3385 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3386 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3387 }
3388 else
3389 {
3390 txwi.phymode_ifs_stbc_shortgi =
3391 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3392 }
3393
3394 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3395 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3396
3397 /* disable temporarily TSF sync */
3398
3399 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3400
3401 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3402 RT2860_REG_TSF_TIMER_ENABLE |
3403 RT2860_REG_TBTT_TIMER_ENABLE);
3404
3405 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3406
3407 /* write Tx wireless info and beacon frame to on-chip memory */
3408
3409 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3410 &txwi, sizeof(struct rt2860_txwi));
3411
3412 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3413 mtod(m, uint8_t *), m->m_pkthdr.len);
3414
3415 /* enable again TSF sync */
3416
3417 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3418
3419 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3420 RT2860_REG_TSF_TIMER_ENABLE |
3421 RT2860_REG_TBTT_TIMER_ENABLE);
3422
3423 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3424
3425 m_freem(m);
3426
3427 return 0;
3428 }
3429
3430 /*
3431 * rt2860_asic_clear_keytables
3432 */
3433 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3434 {
3435 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3436
3437 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID(0), 0, 2 * 256);
3438
3439 /* clear WCID attribute table (entries = 256, entry size = 4) */
3440
3441 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3442
3443 /* clear IV/EIV table (entries = 256, entry size = 8) */
3444
3445 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3446
3447 /* clear pairwise key table (entries = 256, entry size = 32) */
3448
3449 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3450
3451 /* clear shared key table (entries = 32, entry size = 32) */
3452
3453 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3454
3455 /* clear shared key mode (entries = 32, entry size = 2) */
3456
3457 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3458 }
3459
3460 /*
3461 * rt2860_rxrate
3462 */
3463 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3464 {
3465 uint8_t mcs, phymode;
3466 uint8_t rate;
3467
3468 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3469 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3470 RT2860_RXWI_PHYMODE_MASK;
3471
3472 rate = 2;
3473
3474 switch (phymode)
3475 {
3476 case RT2860_RXWI_PHYMODE_CCK:
3477 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3478 {
3479 case 0: rate = 2; break; /* 1 Mbps */
3480 case 1: rate = 4; break; /* 2 MBps */
3481 case 2: rate = 11; break; /* 5.5 Mbps */
3482 case 3: rate = 22; break; /* 11 Mbps */
3483 }
3484 break;
3485
3486 case RT2860_RXWI_PHYMODE_OFDM:
3487 switch (mcs)
3488 {
3489 case 0: rate = 12; break; /* 6 Mbps */
3490 case 1: rate = 18; break; /* 9 Mbps */
3491 case 2: rate = 24; break; /* 12 Mbps */
3492 case 3: rate = 36; break; /* 18 Mbps */
3493 case 4: rate = 48; break; /* 24 Mbps */
3494 case 5: rate = 72; break; /* 36 Mbps */
3495 case 6: rate = 96; break; /* 48 Mbps */
3496 case 7: rate = 108; break; /* 54 Mbps */
3497 }
3498 break;
3499
3500 case RT2860_RXWI_PHYMODE_HT_MIXED:
3501 case RT2860_RXWI_PHYMODE_HT_GF:
3502 break;
3503 }
3504
3505 return rate;
3506 }
3507
3508 /*
3509 * rt2860_maxrssi_rxpath
3510 */
3511 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3512 const struct rt2860_rxwi *rxwi)
3513 {
3514 uint8_t rxpath;
3515
3516 rxpath = 0;
3517
3518 if (sc->nrxpath > 1)
3519 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3520 rxpath = 1;
3521
3522 if (sc->nrxpath > 2)
3523 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3524 rxpath = 2;
3525
3526 return rxpath;
3527 }
3528
3529 /*
3530 * rt2860_rssi2dbm
3531 */
3532 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3533 uint8_t rssi, uint8_t rxpath)
3534 {
3535 struct ifnet *ifp;
3536 struct ieee80211com *ic;
3537 struct ieee80211_channel *c;
3538 int chan, delta;
3539
3540 ifp = sc->ifp;
3541 ic = ifp->if_l2com;
3542 c = ic->ic_curchan;
3543 chan = ieee80211_chan2ieee(ic, c);
3544
3545 if (IEEE80211_IS_CHAN_5GHZ(c))
3546 {
3547 delta = sc->rssi_off_5ghz[rxpath];
3548
3549 if (chan <= 64)
3550 delta -= sc->lna_gain[1];
3551 else if (chan <= 128)
3552 delta -= sc->lna_gain[2];
3553 else
3554 delta -= sc->lna_gain[3];
3555 }
3556 else
3557 {
3558 delta = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3559 }
3560
3561 return (-12 - delta - rssi);
3562 }
3563
3564 /*
3565 * rt2860_rate2mcs
3566 */
3567 static uint8_t rt2860_rate2mcs(uint8_t rate)
3568 {
3569 switch (rate)
3570 {
3571 /* CCK rates */
3572 case 2: return 0;
3573 case 4: return 1;
3574 case 11: return 2;
3575 case 22: return 3;
3576
3577 /* OFDM rates */
3578 case 12: return 0;
3579 case 18: return 1;
3580 case 24: return 2;
3581 case 36: return 3;
3582 case 48: return 4;
3583 case 72: return 5;
3584 case 96: return 6;
3585 case 108: return 7;
3586 }
3587
3588 return 0;
3589 }
3590
3591 /*
3592 * rt2860_tx_mgmt
3593 */
3594 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3595 struct mbuf *m, struct ieee80211_node *ni, int qid)
3596 {
3597 struct ifnet *ifp;
3598 struct ieee80211com *ic;
3599 struct ieee80211vap *vap;
3600 const struct ieee80211_txparam *tp;
3601 struct rt2860_softc_node *rni;
3602 struct rt2860_softc_tx_ring *ring;
3603 struct rt2860_softc_tx_data *data;
3604 struct rt2860_txdesc *desc;
3605 struct rt2860_txwi *txwi;
3606 struct ieee80211_frame *wh;
3607 struct rt2860_softc_tx_radiotap_header *tap;
3608 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3609 u_int hdrsize, hdrspace;
3610 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3611 uint16_t len, dmalen, mpdu_len, dur;
3612 int error, ndmasegs, ndescs, i, j;
3613
3614 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3615 ("%s: Tx MGMT: invalid qid=%d\n",
3616 device_get_nameunit(sc->dev), qid));
3617
3618 ifp = sc->ifp;
3619 ic = ifp->if_l2com;
3620 vap = ni->ni_vap;
3621 rni = (struct rt2860_softc_node *) ni;
3622 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
3623
3624 ring = &sc->tx_ring[qid];
3625 desc = &ring->desc[ring->desc_cur];
3626 data = &ring->data[ring->data_cur];
3627 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3628
3629 wh = mtod(m, struct ieee80211_frame *);
3630
3631 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3632
3633 /* fill Tx wireless info */
3634
3635 if (ni->ni_flags & IEEE80211_NODE_HT)
3636 mcs = rate;
3637 else
3638 mcs = rt2860_rate2mcs(rate);
3639
3640 pid = mcs;
3641
3642 /* calculate MPDU length without padding */
3643
3644 hdrsize = ieee80211_hdrsize(wh);
3645 hdrspace = ieee80211_hdrspace(ic, wh);
3646 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3647
3648 memset(txwi, 0, sizeof(struct rt2860_txwi));
3649
3650 /* management frames do not need encryption */
3651
3652 txwi->wcid = 0xff;
3653
3654 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3655 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3656 RT2860_TXWI_MPDU_LEN_SHIFT);
3657
3658 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3659
3660 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3661 (ni->ni_flags & IEEE80211_NODE_HT);
3662
3663 txwi->phymode_ifs_stbc_shortgi |=
3664 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3665 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3666
3667 if (ni->ni_flags & IEEE80211_NODE_HT)
3668 {
3669 txwi->phymode_ifs_stbc_shortgi |=
3670 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3671 }
3672 else
3673 {
3674 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3675 {
3676 txwi->phymode_ifs_stbc_shortgi |=
3677 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3678
3679 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3680 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3681 }
3682 else
3683 {
3684 txwi->phymode_ifs_stbc_shortgi |=
3685 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3686 }
3687 }
3688
3689 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3690 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3691
3692 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3693
3694 /* skip ACKs for multicast frames and probe responses */
3695
3696 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3697 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3698 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3699 {
3700 txwi->bawin_size_xflags |=
3701 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3702
3703 if (ni->ni_flags & IEEE80211_NODE_HT)
3704 {
3705 /* preamble + plcp + signal extension */
3706
3707 dur = 16 + 4 + 6;
3708 }
3709 else
3710 {
3711 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3712 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3713 }
3714
3715 *(uint16_t *) wh->i_dur = htole16(dur);
3716 }
3717
3718 /* ask MAC to insert timestamp into probe responses */
3719
3720 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3721 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3722 txwi->mpdu_density_flags |=
3723 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3724
3725 if (ieee80211_radiotap_active_vap(vap))
3726 {
3727 tap = &sc->txtap;
3728
3729 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3730 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3731 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3732 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3733 tap->chan_maxpow = 0;
3734
3735 if (ni->ni_flags & IEEE80211_NODE_HT)
3736 tap->rate = mcs | IEEE80211_RATE_MCS;
3737 else
3738 tap->rate = rate;
3739
3740 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3741 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3742
3743 if (shortgi)
3744 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3745
3746 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3747 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3748
3749 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3750 {
3751 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3752
3753 ieee80211_radiotap_tx(vap, m);
3754
3755 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3756 }
3757 else
3758 {
3759 ieee80211_radiotap_tx(vap, m);
3760 }
3761 }
3762
3763 /* copy and trim 802.11 header */
3764
3765 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3766 m_adj(m, hdrspace);
3767
3768 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3769 dma_seg, &ndmasegs, 0);
3770 if (error != 0)
3771 {
3772 /* too many fragments, linearize */
3773
3774 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3775 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3776 device_get_nameunit(sc->dev));
3777
3778 m = m_defrag(m, M_DONTWAIT);
3779 if (m == NULL)
3780 return ENOMEM;
3781
3782 sc->tx_defrag_packets++;
3783
3784 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3785 dma_seg, &ndmasegs, 0);
3786 if (error != 0)
3787 {
3788 printf("%s: could not load mbuf DMA map: error=%d\n",
3789 device_get_nameunit(sc->dev), error);
3790 m_freem(m);
3791 return error;
3792 }
3793 }
3794
3795 /* determine how many Tx descs are required */
3796
3797 ndescs = 1 + ndmasegs / 2;
3798 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3799 {
3800 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3801 "%s: there are not enough Tx descs\n",
3802 device_get_nameunit(sc->dev));
3803
3804 sc->no_tx_desc_avail++;
3805
3806 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3807 m_freem(m);
3808 return EFBIG;
3809 }
3810
3811 data->m = m;
3812 data->ni = ni;
3813
3814 /* set up Tx descs */
3815
3816 /* first segment is Tx wireless info and 802.11 header */
3817
3818 len = sizeof(struct rt2860_txwi) + hdrsize;
3819
3820 /* align end on a 4-bytes boundary */
3821
3822 dmalen = (len + 3) & ~ 3;
3823
3824 memset((caddr_t) txwi + len, 0, dmalen - len);
3825
3826 qsel = RT2860_TXDESC_QSEL_EDCA;
3827
3828 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3829 desc->sdl0 = htole16(dmalen);
3830 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3831
3832 /* set up payload segments */
3833
3834 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3835 {
3836 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3837 desc->sdl1 = htole16(dma_seg[j].ds_len);
3838
3839 ring->desc_queued++;
3840 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3841
3842 j++;
3843
3844 desc = &ring->desc[ring->desc_cur];
3845
3846 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3847 desc->sdl0 = htole16(dma_seg[j].ds_len);
3848 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3849
3850 j++;
3851 }
3852
3853 /* finalize last payload segment */
3854
3855 if (i > 0)
3856 {
3857 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3858 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3859 }
3860 else
3861 {
3862 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3863 desc->sdl1 = 0;
3864 }
3865
3866 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3867 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3868 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3869 device_get_nameunit(sc->dev),
3870 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3871 stbc, shortgi, mcs, dmalen, ndmasegs,
3872 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);
3873
3874 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3875 BUS_DMASYNC_PREWRITE);
3876 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3877 BUS_DMASYNC_PREWRITE);
3878 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3879 BUS_DMASYNC_PREWRITE);
3880
3881 ring->desc_queued++;
3882 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3883
3884 ring->data_queued++;
3885 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3886
3887 /* kick Tx */
3888
3889 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3890
3891 return 0;
3892 }
3893
3894 /*
3895 * rt2860_tx_data
3896 */
3897 static int rt2860_tx_data(struct rt2860_softc *sc,
3898 struct mbuf *m, struct ieee80211_node *ni, int qid)
3899 {
3900 struct ifnet *ifp;
3901 struct ieee80211com *ic;
3902 struct ieee80211vap *vap;
3903 const struct ieee80211_txparam *tp;
3904 struct rt2860_softc_node *rni;
3905 struct rt2860_softc_tx_ring *ring;
3906 struct rt2860_softc_tx_data *data;
3907 struct rt2860_txdesc *desc;
3908 struct rt2860_txwi *txwi;
3909 struct ieee80211_frame *wh;
3910 struct rt2860_softc_tx_radiotap_header *tap;
3911 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3912 u_int hdrsize, hdrspace;
3913 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, qsel;
3914 uint16_t qos, len, dmalen, mpdu_len, dur;
3915 int error, hasqos, ndmasegs, ndescs, i, j;
3916
3917 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3918 ("%s: Tx data: invalid qid=%d\n",
3919 device_get_nameunit(sc->dev), qid));
3920
3921 ifp = sc->ifp;
3922 ic = ifp->if_l2com;
3923 vap = ni->ni_vap;
3924 rni = (struct rt2860_softc_node *) ni;
3925 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
3926
3927 ring = &sc->tx_ring[qid];
3928 desc = &ring->desc[ring->desc_cur];
3929 data = &ring->data[ring->data_cur];
3930 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3931
3932 wh = mtod(m, struct ieee80211_frame *);
3933
3934 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3935
3936 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3937 if (hasqos)
3938 {
3939 if (IEEE80211_HAS_ADDR4(wh))
3940 qos = le16toh(*(const uint16_t *)
3941 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3942 else
3943 qos = le16toh(*(const uint16_t *)
3944 (((struct ieee80211_qosframe *) wh)->i_qos));
3945 }
3946 else
3947 {
3948 qos = 0;
3949 }
3950
3951 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
3952 rate = tp->mcastrate;
3953 else if (m->m_flags & M_EAPOL)
3954 rate = tp->mgmtrate;
3955 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
3956 rate = tp->ucastrate;
3957 else
3958 rate = ni->ni_txrate;
3959
3960 rate &= IEEE80211_RATE_VAL;
3961
3962 /* fill Tx wireless info */
3963
3964 if (ni->ni_flags & IEEE80211_NODE_HT)
3965 mcs = rate;
3966 else
3967 mcs = rt2860_rate2mcs(rate);
3968
3969 pid = mcs;
3970
3971 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3972 RT2860_AID2WCID(ni->ni_associd) : 0xff;
3973
3974 /* calculate MPDU length without padding */
3975
3976 hdrsize = ieee80211_hdrsize(wh);
3977 hdrspace = ieee80211_hdrspace(ic, wh);
3978 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3979
3980 memset(txwi, 0, sizeof(struct rt2860_txwi));
3981
3982 txwi->wcid = wcid;
3983
3984 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3985 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3986 RT2860_TXWI_MPDU_LEN_SHIFT);
3987
3988 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3989
3990 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3991 (ni->ni_flags & IEEE80211_NODE_HT);
3992
3993 txwi->phymode_ifs_stbc_shortgi |=
3994 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3995 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3996
3997 if (ni->ni_flags & IEEE80211_NODE_HT)
3998 {
3999 txwi->phymode_ifs_stbc_shortgi |=
4000 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4001 }
4002 else
4003 {
4004 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4005 {
4006 txwi->phymode_ifs_stbc_shortgi |=
4007 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4008
4009 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4010 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4011 }
4012 else
4013 {
4014 txwi->phymode_ifs_stbc_shortgi |=
4015 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4016 }
4017 }
4018
4019 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4020 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
4021 bw = RT2860_TXWI_BW_40;
4022 else
4023 bw = RT2860_TXWI_BW_20;
4024
4025 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4026 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4027
4028 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4029
4030 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4031 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4032 {
4033 txwi->bawin_size_xflags |=
4034 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4035
4036 if (ni->ni_flags & IEEE80211_NODE_HT)
4037 {
4038 /* preamble + plcp + signal extension */
4039
4040 dur = 16 + 4 + 6;
4041 }
4042 else
4043 {
4044 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4045 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4046 }
4047
4048 *(uint16_t *) wh->i_dur = htole16(dur);
4049 }
4050
4051 /* ask MAC to insert timestamp into probe responses */
4052
4053 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4054 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4055 txwi->mpdu_density_flags |=
4056 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4057
4058 if (ieee80211_radiotap_active_vap(vap))
4059 {
4060 tap = &sc->txtap;
4061
4062 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4063 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4064 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4065 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4066 tap->chan_maxpow = 0;
4067
4068 if (ni->ni_flags & IEEE80211_NODE_HT)
4069 tap->rate = mcs | IEEE80211_RATE_MCS;
4070 else
4071 tap->rate = rate;
4072
4073 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4074 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4075
4076 if (shortgi)
4077 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4078
4079 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4080 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4081
4082 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4083 {
4084 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4085
4086 ieee80211_radiotap_tx(vap, m);
4087
4088 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4089 }
4090 else
4091 {
4092 ieee80211_radiotap_tx(vap, m);
4093 }
4094 }
4095
4096 /* copy and trim 802.11 header */
4097
4098 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4099 m_adj(m, hdrspace);
4100
4101 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4102 dma_seg, &ndmasegs, 0);
4103 if (error != 0)
4104 {
4105 /* too many fragments, linearize */
4106
4107 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4108 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
4109 device_get_nameunit(sc->dev));
4110
4111 m = m_defrag(m, M_DONTWAIT);
4112 if (m == NULL)
4113 return ENOMEM;
4114
4115 sc->tx_defrag_packets++;
4116
4117 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4118 dma_seg, &ndmasegs, 0);
4119 if (error != 0)
4120 {
4121 printf("%s: could not load mbuf DMA map: error=%d\n",
4122 device_get_nameunit(sc->dev), error);
4123 m_freem(m);
4124 return error;
4125 }
4126 }
4127
4128 /* determine how many Tx descs are required */
4129
4130 ndescs = 1 + ndmasegs / 2;
4131 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4132 {
4133 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4134 "%s: there are not enough Tx descs\n",
4135 device_get_nameunit(sc->dev));
4136
4137 sc->no_tx_desc_avail++;
4138
4139 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4140 m_freem(m);
4141 return EFBIG;
4142 }
4143
4144 data->m = m;
4145 data->ni = ni;
4146
4147 /* set up Tx descs */
4148
4149 /* first segment is Tx wireless info and 802.11 header */
4150
4151 len = sizeof(struct rt2860_txwi) + hdrsize;
4152
4153 /* align end on a 4-bytes boundary */
4154
4155 dmalen = (len + 3) & ~ 3;
4156
4157 memset((caddr_t) txwi + len, 0, dmalen - len);
4158
4159 qsel = RT2860_TXDESC_QSEL_EDCA;
4160
4161 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4162 desc->sdl0 = htole16(dmalen);
4163 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4164
4165 /* set up payload segments */
4166
4167 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4168 {
4169 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4170 desc->sdl1 = htole16(dma_seg[j].ds_len);
4171
4172 ring->desc_queued++;
4173 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4174
4175 j++;
4176
4177 desc = &ring->desc[ring->desc_cur];
4178
4179 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4180 desc->sdl0 = htole16(dma_seg[j].ds_len);
4181 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4182
4183 j++;
4184 }
4185
4186 /* finalize last payload segment */
4187
4188 if (i > 0)
4189 {
4190 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4191 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4192 }
4193 else
4194 {
4195 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4196 desc->sdl1 = 0;
4197 }
4198
4199 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4200 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4201 "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",
4202 device_get_nameunit(sc->dev),
4203 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4204 bw, stbc, shortgi, mcs, wcid, dmalen, ndmasegs,
4205 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);
4206
4207 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4208 BUS_DMASYNC_PREWRITE);
4209 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4210 BUS_DMASYNC_PREWRITE);
4211 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4212 BUS_DMASYNC_PREWRITE);
4213
4214 ring->desc_queued++;
4215 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4216
4217 ring->data_queued++;
4218 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4219
4220 /* kick Tx */
4221
4222 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4223
4224 return 0;
4225 }
4226
4227 /*
4228 * rt2860_tx_raw
4229 */
4230 static int rt2860_tx_raw(struct rt2860_softc *sc,
4231 struct mbuf *m, struct ieee80211_node *ni,
4232 const struct ieee80211_bpf_params *params)
4233 {
4234 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4235 "%s: Tx raw\n",
4236 device_get_nameunit(sc->dev));
4237
4238 return 0;
4239 }
4240
4241 /*
4242 * rt2860_intr
4243 */
4244 static void rt2860_intr(void *arg)
4245 {
4246 struct rt2860_softc *sc;
4247 struct ifnet *ifp;
4248 uint32_t status;
4249
4250 sc = arg;
4251 ifp = sc->ifp;
4252
4253 /* acknowledge interrupts */
4254
4255 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4256 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4257
4258 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4259 "%s: interrupt: status = 0x%08x\n",
4260 device_get_nameunit(sc->dev), status);
4261
4262 if (status == 0xffffffff || /* device likely went away */
4263 status == 0) /* not for us */
4264 return;
4265
4266 sc->interrupts++;
4267
4268 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4269 return;
4270
4271 if (status & RT2860_REG_INT_TX_COHERENT)
4272 rt2860_tx_coherent_intr(sc);
4273
4274 if (status & RT2860_REG_INT_RX_COHERENT)
4275 rt2860_rx_coherent_intr(sc);
4276
4277 if (status & RT2860_REG_INT_TXRX_COHERENT)
4278 rt2860_txrx_coherent_intr(sc);
4279
4280 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4281 rt2860_fifo_sta_full_intr(sc);
4282
4283 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4284 rt2860_tx_intr(sc, 5);
4285
4286 if (status & RT2860_REG_INT_RX_DONE)
4287 rt2860_rx_intr(sc);
4288
4289 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4290 rt2860_rx_delay_intr(sc);
4291
4292 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4293 rt2860_tx_intr(sc, 4);
4294
4295 if (status & RT2860_REG_INT_TX_AC3_DONE)
4296 rt2860_tx_intr(sc, 3);
4297
4298 if (status & RT2860_REG_INT_TX_AC2_DONE)
4299 rt2860_tx_intr(sc, 2);
4300
4301 if (status & RT2860_REG_INT_TX_AC1_DONE)
4302 rt2860_tx_intr(sc, 1);
4303
4304 if (status & RT2860_REG_INT_TX_AC0_DONE)
4305 rt2860_tx_intr(sc, 0);
4306
4307 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4308 rt2860_tx_delay_intr(sc);
4309
4310 if (status & RT2860_REG_INT_PRE_TBTT)
4311 rt2860_pre_tbtt_intr(sc);
4312
4313 if (status & RT2860_REG_INT_TBTT)
4314 rt2860_tbtt_intr(sc);
4315
4316 if (status & RT2860_REG_INT_MCU_CMD)
4317 rt2860_mcu_cmd_intr(sc);
4318
4319 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4320 rt2860_auto_wakeup_intr(sc);
4321
4322 if (status & RT2860_REG_INT_GP_TIMER)
4323 rt2860_gp_timer_intr(sc);
4324 }
4325
4326 /*
4327 * rt2860_tx_coherent_intr
4328 */
4329 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4330 {
4331 uint32_t tmp;
4332 int i;
4333
4334 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4335 "%s: Tx coherent interrupt\n",
4336 device_get_nameunit(sc->dev));
4337
4338 sc->tx_coherent_interrupts++;
4339
4340 /* restart DMA engine */
4341
4342 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4343
4344 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4345 RT2860_REG_RX_DMA_ENABLE |
4346 RT2860_REG_TX_DMA_ENABLE);
4347
4348 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4349
4350 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4351
4352 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4353 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4354
4355 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4356 {
4357 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4358 sc->tx_ring[i].desc_phys_addr);
4359 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4360 RT2860_SOFTC_TX_RING_DESC_COUNT);
4361 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4362 }
4363
4364 /* init Rx ring */
4365
4366 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4367
4368 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4369 sc->rx_ring.desc_phys_addr);
4370 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4371 RT2860_SOFTC_RX_RING_DATA_COUNT);
4372 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4373 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4374
4375 rt2860_txrx_enable(sc);
4376 }
4377
4378 /*
4379 * rt2860_rx_coherent_intr
4380 */
4381 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4382 {
4383 uint32_t tmp;
4384 int i;
4385
4386 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4387 "%s: Rx coherent interrupt\n",
4388 device_get_nameunit(sc->dev));
4389
4390 sc->rx_coherent_interrupts++;
4391
4392 /* restart DMA engine */
4393
4394 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4395
4396 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4397 RT2860_REG_RX_DMA_ENABLE |
4398 RT2860_REG_TX_DMA_ENABLE);
4399
4400 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4401
4402 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4403
4404 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4405 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4406
4407 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4408 {
4409 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4410 sc->tx_ring[i].desc_phys_addr);
4411 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4412 RT2860_SOFTC_TX_RING_DESC_COUNT);
4413 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4414 }
4415
4416 /* init Rx ring */
4417
4418 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4419
4420 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4421 sc->rx_ring.desc_phys_addr);
4422 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4423 RT2860_SOFTC_RX_RING_DATA_COUNT);
4424 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4425 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4426
4427 rt2860_txrx_enable(sc);
4428 }
4429
4430 /*
4431 * rt2860_txrx_coherent_intr
4432 */
4433 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4434 {
4435 uint32_t tmp;
4436 int i;
4437
4438 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4439 "%s: Tx/Rx coherent interrupt\n",
4440 device_get_nameunit(sc->dev));
4441
4442 sc->txrx_coherent_interrupts++;
4443
4444 /* restart DMA engine */
4445
4446 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4447
4448 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4449 RT2860_REG_RX_DMA_ENABLE |
4450 RT2860_REG_TX_DMA_ENABLE);
4451
4452 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4453
4454 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4455
4456 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4457 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4458
4459 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4460 {
4461 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4462 sc->tx_ring[i].desc_phys_addr);
4463 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4464 RT2860_SOFTC_TX_RING_DESC_COUNT);
4465 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4466 }
4467
4468 /* init Rx ring */
4469
4470 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4471
4472 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4473 sc->rx_ring.desc_phys_addr);
4474 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4475 RT2860_SOFTC_RX_RING_DATA_COUNT);
4476 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4477 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4478
4479 rt2860_txrx_enable(sc);
4480 }
4481
4482 /*
4483 * rt2860_fifo_sta_full_intr
4484 */
4485 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4486 {
4487 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4488 "%s: FIFO statistic full interrupt\n",
4489 device_get_nameunit(sc->dev));
4490
4491 sc->fifo_sta_full_interrupts++;
4492
4493 RT2860_SOFTC_LOCK(sc);
4494
4495 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4496 {
4497 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4498
4499 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4500 }
4501
4502 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4503
4504 RT2860_SOFTC_UNLOCK(sc);
4505 }
4506
4507 /*
4508 * rt2860_rx_intr
4509 */
4510 static void rt2860_rx_intr(struct rt2860_softc *sc)
4511 {
4512 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4513 "%s: Rx interrupt\n",
4514 device_get_nameunit(sc->dev));
4515
4516 sc->rx_interrupts++;
4517
4518 RT2860_SOFTC_LOCK(sc);
4519
4520 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4521 {
4522 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4523
4524 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4525 }
4526
4527 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4528
4529 RT2860_SOFTC_UNLOCK(sc);
4530 }
4531
4532 /*
4533 * rt2860_rx_delay_intr
4534 */
4535 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4536 {
4537 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4538 "%s: Rx delay interrupt\n",
4539 device_get_nameunit(sc->dev));
4540
4541 sc->rx_delay_interrupts++;
4542 }
4543
4544 /*
4545 * rt2860_tx_intr
4546 */
4547 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4548 {
4549 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4550 ("%s: Tx interrupt: invalid qid=%d\n",
4551 device_get_nameunit(sc->dev), qid));
4552
4553 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4554 "%s: Tx interrupt: qid=%d\n",
4555 device_get_nameunit(sc->dev), qid);
4556
4557 sc->tx_interrupts[qid]++;
4558
4559 RT2860_SOFTC_LOCK(sc);
4560
4561 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4562 {
4563 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4564
4565 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4566 }
4567
4568 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4569
4570 RT2860_SOFTC_UNLOCK(sc);
4571 }
4572
4573 /*
4574 * rt2860_tx_delay_intr
4575 */
4576 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4577 {
4578 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4579 "%s: Tx delay interrupt\n",
4580 device_get_nameunit(sc->dev));
4581
4582 sc->tx_delay_interrupts++;
4583 }
4584
4585 /*
4586 * rt2860_pre_tbtt_intr
4587 */
4588 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4589 {
4590 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4591 "%s: Pre-TBTT interrupt\n",
4592 device_get_nameunit(sc->dev));
4593
4594 sc->pre_tbtt_interrupts++;
4595 }
4596
4597 /*
4598 * rt2860_tbtt_intr
4599 */
4600 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4601 {
4602 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4603 "%s: TBTT interrupt\n",
4604 device_get_nameunit(sc->dev));
4605
4606 sc->tbtt_interrupts++;
4607 }
4608
4609 /*
4610 * rt2860_mcu_cmd_intr
4611 */
4612 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4613 {
4614 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4615 "%s: MCU command interrupt\n",
4616 device_get_nameunit(sc->dev));
4617
4618 sc->mcu_cmd_interrupts++;
4619 }
4620
4621 /*
4622 * rt2860_auto_wakeup_intr
4623 */
4624 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4625 {
4626 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4627 "%s: auto wakeup interrupt\n",
4628 device_get_nameunit(sc->dev));
4629
4630 sc->auto_wakeup_interrupts++;
4631 }
4632
4633 /*
4634 * rt2860_gp_timer_intr
4635 */
4636 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4637 {
4638 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4639 "%s: GP timer interrupt\n",
4640 device_get_nameunit(sc->dev));
4641
4642 sc->gp_timer_interrupts++;
4643 }
4644
4645 /*
4646 * rt2860_rx_done_task
4647 */
4648 static void rt2860_rx_done_task(void *context, int pending)
4649 {
4650 struct rt2860_softc *sc;
4651 struct ifnet *ifp;
4652 int again;
4653
4654 sc = context;
4655 ifp = sc->ifp;
4656
4657 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4658 "%s: Rx done task\n",
4659 device_get_nameunit(sc->dev));
4660
4661 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4662 return;
4663
4664 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4665
4666 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4667
4668 RT2860_SOFTC_LOCK(sc);
4669
4670 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4671 {
4672 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4673 "%s: Rx done task: scheduling again\n",
4674 device_get_nameunit(sc->dev));
4675
4676 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4677 }
4678 else
4679 {
4680 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4681 }
4682
4683 RT2860_SOFTC_UNLOCK(sc);
4684 }
4685
4686 /*
4687 * rt2860_tx_done_task
4688 */
4689 static void rt2860_tx_done_task(void *context, int pending)
4690 {
4691 struct rt2860_softc *sc;
4692 struct ifnet *ifp;
4693 uint32_t intr_mask;
4694 int i;
4695
4696 sc = context;
4697 ifp = sc->ifp;
4698
4699 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4700 "%s: Tx done task\n",
4701 device_get_nameunit(sc->dev));
4702
4703 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4704 return;
4705
4706 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4707 RT2860_REG_INT_TX_HCCA_DONE |
4708 RT2860_REG_INT_TX_AC3_DONE |
4709 RT2860_REG_INT_TX_AC2_DONE |
4710 RT2860_REG_INT_TX_AC1_DONE |
4711 RT2860_REG_INT_TX_AC0_DONE);
4712
4713 sc->intr_pending_mask &= ~intr_mask;
4714
4715 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4716 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4717
4718 sc->tx_timer = 0;
4719
4720 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4721
4722 RT2860_SOFTC_LOCK(sc);
4723
4724 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4725 (sc->intr_disable_mask & intr_mask));
4726
4727 if (sc->intr_pending_mask & intr_mask)
4728 {
4729 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4730 "%s: Tx done task: scheduling again\n",
4731 device_get_nameunit(sc->dev));
4732
4733 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4734 }
4735
4736 RT2860_SOFTC_UNLOCK(sc);
4737 }
4738
4739 /*
4740 * rt2860_fifo_sta_full_task
4741 */
4742 static void rt2860_fifo_sta_full_task(void *context, int pending)
4743 {
4744 struct rt2860_softc *sc;
4745 struct ifnet *ifp;
4746
4747 sc = context;
4748 ifp = sc->ifp;
4749
4750 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4751 "%s: FIFO statistic full task\n",
4752 device_get_nameunit(sc->dev));
4753
4754 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4755 return;
4756
4757 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4758
4759 rt2860_drain_fifo_stats(sc);
4760
4761 RT2860_SOFTC_LOCK(sc);
4762
4763 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4764 {
4765 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4766 "%s: FIFO statistic full task: scheduling again\n",
4767 device_get_nameunit(sc->dev));
4768
4769 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4770 }
4771 else
4772 {
4773 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4774 }
4775
4776 RT2860_SOFTC_UNLOCK(sc);
4777 }
4778
4779 /*
4780 * rt2860_periodic_task
4781 */
4782 static void rt2860_periodic_task(void *context, int pending)
4783 {
4784 struct rt2860_softc *sc;
4785 struct ifnet *ifp;
4786 struct ieee80211com *ic;
4787 struct ieee80211vap *vap;
4788
4789 sc = context;
4790 ifp = sc->ifp;
4791 ic = ifp->if_l2com;
4792
4793 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4794 "%s: periodic task: round=%lu\n",
4795 device_get_nameunit(sc->dev), sc->periodic_round);
4796
4797 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4798 return;
4799
4800 RT2860_SOFTC_LOCK(sc);
4801
4802 sc->periodic_round++;
4803
4804 rt2860_update_stats(sc);
4805
4806 if ((sc->periodic_round % 10) == 0)
4807 {
4808 rt2860_update_raw_counters(sc);
4809
4810 rt2860_watchdog(sc);
4811
4812 vap = TAILQ_FIRST(&ic->ic_vaps);
4813 if (vap != NULL)
4814 {
4815 if (vap->iv_opmode == IEEE80211_M_STA)
4816 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
4817 else
4818 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
4819 }
4820 }
4821
4822 RT2860_SOFTC_UNLOCK(sc);
4823
4824 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4825 }
4826
4827 /*
4828 * rt2860_rx_eof
4829 */
4830 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4831 {
4832 struct ifnet *ifp;
4833 struct ieee80211com *ic;
4834 struct ieee80211_frame *wh;
4835 struct ieee80211_node *ni;
4836 struct rt2860_softc_rx_radiotap_header *tap;
4837 struct rt2860_softc_rx_ring *ring;
4838 struct rt2860_rxdesc *desc;
4839 struct rt2860_softc_rx_data *data;
4840 struct rt2860_rxwi *rxwi;
4841 struct mbuf *m, *mnew;
4842 bus_dma_segment_t segs[1];
4843 uint32_t index, desc_flags;
4844 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4845 int8_t rssi_dbm;
4846 int error, nsegs, len, ampdu, amsdu, nframes;
4847
4848 ifp = sc->ifp;
4849 ic = ifp->if_l2com;
4850 ring = &sc->rx_ring;
4851
4852 nframes = 0;
4853
4854 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4855 BUS_DMASYNC_POSTREAD);
4856
4857 while (limit != 0)
4858 {
4859 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4860 if (ring->cur == index)
4861 break;
4862
4863 desc = &ring->desc[ring->cur];
4864 desc_flags = le32toh(desc->flags);
4865 data = &ring->data[ring->cur];
4866
4867 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4868 break;
4869
4870 nframes++;
4871
4872 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4873 if (mnew == NULL)
4874 {
4875 sc->rx_mbuf_alloc_errors++;
4876 ifp->if_ierrors++;
4877 goto skip;
4878 }
4879
4880 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4881
4882 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4883 BUS_DMASYNC_POSTREAD);
4884 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4885
4886 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
4887 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4888 if (error != 0)
4889 {
4890 m_freem(mnew);
4891
4892 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
4893 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
4894 if (error != 0)
4895 panic("%s: could not load old Rx mbuf: error=%d\n",
4896 device_get_name(sc->dev), error);
4897
4898 sc->rx_mbuf_dmamap_errors++;
4899 ifp->if_ierrors++;
4900
4901 goto skip;
4902 }
4903
4904 KASSERT(nsegs == 1, ("%s: too many DMA segments"));
4905
4906 m = data->m;
4907
4908 data->m = mnew;
4909 desc->sdp0 = htole32(segs[0].ds_addr);
4910
4911 /* get Rx wireless info */
4912
4913 rxwi = mtod(m, struct rt2860_rxwi *);
4914 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4915 RT2860_RXWI_SIZE_MASK;
4916
4917 /* check for L2 padding between IEEE 802.11 frame header and body */
4918
4919 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4920 {
4921 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4922 "%s: L2 padding: len=%d\n",
4923 device_get_nameunit(sc->dev), len);
4924
4925 len += 2;
4926 }
4927
4928 m->m_pkthdr.rcvif = ifp;
4929 m->m_data = (caddr_t) (rxwi + 1);
4930 m->m_pkthdr.len = m->m_len = len;
4931
4932 /* check for crc errors */
4933
4934 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4935 {
4936 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4937 "%s: rxdesc: crc error\n",
4938 device_get_nameunit(sc->dev));
4939
4940 ifp->if_ierrors++;
4941
4942 if (!(ifp->if_flags & IFF_PROMISC))
4943 {
4944 m_freem(m);
4945 goto skip;
4946 }
4947 }
4948
4949 wh = (struct ieee80211_frame *) (rxwi + 1);
4950
4951 /* check for cipher errors */
4952
4953 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
4954 {
4955 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
4956 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
4957 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
4958 {
4959 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4960 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4961
4962 m->m_flags |= M_WEP;
4963 }
4964 else
4965 {
4966 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4967 "%s: rxdesc: cipher error=0x%02x\n",
4968 device_get_nameunit(sc->dev), cipher_err);
4969
4970 ifp->if_ierrors++;
4971
4972 if (!(ifp->if_flags & IFF_PROMISC))
4973 {
4974 m_free(m);
4975 goto skip;
4976 }
4977 }
4978 }
4979 else
4980 {
4981 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4982 {
4983 ifp->if_ierrors++;
4984
4985 if (!(ifp->if_flags & IFF_PROMISC))
4986 {
4987 m_free(m);
4988 goto skip;
4989 }
4990 }
4991 }
4992
4993 /* check for A-MPDU */
4994
4995 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
4996 {
4997 m->m_flags |= M_AMPDU;
4998 ampdu = 1;
4999 }
5000 else
5001 {
5002 ampdu = 0;
5003 }
5004
5005 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5006 rssi = rxwi->rssi[ant];
5007 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5008 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5009 RT2860_RXWI_PHYMODE_MASK);
5010 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5011 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5012 RT2860_RXWI_SHORTGI_MASK);
5013 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5014 amsdu = (desc_flags & RT2860_RXDESC_FLAGS_AMSDU);
5015
5016 if (ieee80211_radiotap_active(ic))
5017 {
5018 tap = &sc->rxtap;
5019
5020 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5021 tap->dbm_antsignal = rssi_dbm;
5022 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5023 tap->antenna = ant;
5024 tap->antsignal = rssi;
5025 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5026 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5027 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5028 tap->chan_maxpow = 0;
5029
5030 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5031 tap->rate = mcs | IEEE80211_RATE_MCS;
5032 else
5033 tap->rate = rt2860_rxrate(rxwi);
5034
5035 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5036 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5037
5038 if (shortgi)
5039 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5040 }
5041
5042 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5043 "%s: received frame: phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5044 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
5045 device_get_nameunit(sc->dev),
5046 phymode, bw, shortgi, mcs,
5047 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5048 rxwi->snr[0], rxwi->snr[1],
5049 rxwi->wcid, ampdu, amsdu);
5050
5051 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5052 if (ni != NULL)
5053 {
5054 ieee80211_input(ni, m, rssi_dbm - RT2860_NOISE_FLOOR, RT2860_NOISE_FLOOR);
5055 ieee80211_free_node(ni);
5056 }
5057 else
5058 {
5059 ieee80211_input_all(ic, m, rssi_dbm - RT2860_NOISE_FLOOR, RT2860_NOISE_FLOOR);
5060 }
5061
5062 skip:
5063
5064 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5065
5066 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5067 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5068
5069 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5070
5071 limit--;
5072 }
5073
5074 if (ring->cur == 0)
5075 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5076 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5077 else
5078 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5079 ring->cur - 1);
5080
5081 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5082 "%s: Rx eof: nframes=%d\n",
5083 device_get_nameunit(sc->dev), nframes);
5084
5085 sc->rx_packets += nframes;
5086
5087 return (limit == 0);
5088 }
5089
5090 /*
5091 * rt2860_tx_eof
5092 */
5093 static void rt2860_tx_eof(struct rt2860_softc *sc,
5094 struct rt2860_softc_tx_ring *ring)
5095 {
5096 struct ifnet *ifp;
5097 struct rt2860_txdesc *desc;
5098 struct rt2860_softc_tx_data *data;
5099 uint32_t index;
5100 int ndescs, nframes;
5101
5102 ifp = sc->ifp;
5103
5104 ndescs = 0;
5105 nframes = 0;
5106
5107 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5108 BUS_DMASYNC_POSTREAD);
5109
5110 for (;;)
5111 {
5112 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5113 if (ring->desc_next == index)
5114 break;
5115
5116 ndescs++;
5117
5118 rt2860_drain_fifo_stats(sc);
5119
5120 desc = &ring->desc[ring->desc_next];
5121
5122 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5123 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5124 {
5125 nframes++;
5126
5127 data = &ring->data[ring->data_next];
5128
5129 if (data->m->m_flags & M_TXCB)
5130 ieee80211_process_callback(data->ni, data->m, 0);
5131
5132 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5133 BUS_DMASYNC_POSTWRITE);
5134 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5135
5136 m_freem(data->m);
5137
5138 ieee80211_free_node(data->ni);
5139
5140 data->m = NULL;
5141 data->ni = NULL;
5142
5143 ifp->if_opackets++;
5144
5145 ring->data_queued--;
5146 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5147 }
5148
5149 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5150
5151 ring->desc_queued--;
5152 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5153 }
5154
5155 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5156 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5157
5158 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5159 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5160 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5161 }
5162
5163 /*
5164 * rt2860_update_stats
5165 */
5166 static void rt2860_update_stats(struct rt2860_softc *sc)
5167 {
5168 struct ifnet *ifp;
5169 struct ieee80211com *ic;
5170 struct ieee80211vap *vap;
5171 struct ieee80211_node *ni;
5172 uint16_t associd;
5173 uint8_t wcid;
5174 uint32_t stacnt[3];
5175 int txcnt, retrycnt, failcnt;
5176
5177 ifp = sc->ifp;
5178 ic = ifp->if_l2com;
5179
5180 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5181 "%s: update statistic\n",
5182 device_get_nameunit(sc->dev));
5183
5184 rt2860_drain_fifo_stats(sc);
5185
5186 if (ic->ic_opmode == IEEE80211_M_STA)
5187 {
5188 vap = TAILQ_FIRST(&ic->ic_vaps);
5189 ni = vap->iv_bss;
5190
5191 associd = (ni != NULL) ? ni->ni_associd : 0;
5192 wcid = RT2860_AID2WCID(associd);
5193
5194 /* read and clear Tx statistic registers */
5195
5196 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5197 stacnt, sizeof(stacnt));
5198
5199 txcnt = le32toh(stacnt[1]) & 0xffff;
5200 retrycnt = le32toh(stacnt[1]) >> 16;
5201 failcnt = le32toh(stacnt[0]) & 0xffff;
5202
5203 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5204 "%s: update statistic: associd=0x%04x, txcnt=%d, retrycnt=%d, failcnt=%d\n",
5205 device_get_nameunit(sc->dev),
5206 associd, txcnt, retrycnt, failcnt);
5207
5208 ifp->if_oerrors += failcnt;
5209
5210 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5211 txcnt + retrycnt + failcnt, txcnt + retrycnt, retrycnt + failcnt);
5212 }
5213 }
5214
5215 /*
5216 * rt2860_watchdog
5217 */
5218 static void rt2860_watchdog(struct rt2860_softc *sc)
5219 {
5220 uint32_t tmp;
5221 int ntries;
5222
5223 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5224
5225 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5226 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5227 device_get_nameunit(sc->dev), tmp);
5228
5229 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5230 {
5231 sc->tx_queue_not_empty[0]++;
5232
5233 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5234
5235 for (ntries = 0; ntries < 10; ntries++)
5236 {
5237 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5238 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5239 break;
5240
5241 DELAY(1);
5242 }
5243
5244 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5245 }
5246
5247 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5248 {
5249 sc->tx_queue_not_empty[1]++;
5250
5251 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5252
5253 for (ntries = 0; ntries < 10; ntries++)
5254 {
5255 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5256 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5257 break;
5258
5259 DELAY(1);
5260 }
5261
5262 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5263 }
5264 }
5265
5266 /*
5267 * rt2860_drain_fifo_stats
5268 */
5269 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5270 {
5271 struct ifnet *ifp;
5272 uint32_t stats;
5273 uint8_t wcid, mcs, pid;
5274 int ok, retrycnt;
5275
5276 ifp = sc->ifp;
5277
5278 /* drain Tx status FIFO (maxsize = 16) */
5279
5280 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5281 RT2860_REG_TX_STA_FIFO_VALID)
5282 {
5283 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5284 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5285
5286 /* if no ACK was requested, no feedback is available */
5287
5288 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5289 continue;
5290
5291 /* update AMRR statistic */
5292
5293 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5294 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5295 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5296 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5297 RT2860_REG_TX_STA_FIFO_PID_MASK;
5298 retrycnt = pid - mcs;
5299
5300 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5301 "%s: FIFO statistic: wcid=0x%02x, ok=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5302 device_get_nameunit(sc->dev),
5303 wcid, ok, mcs, pid, retrycnt);
5304
5305 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5306
5307 if (!ok)
5308 ifp->if_oerrors++;
5309 }
5310 }
5311
5312 /*
5313 * rt2860_update_raw_counters
5314 */
5315 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5316 {
5317 uint32_t tmp;
5318
5319 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5320
5321 sc->rx_crc_errors += tmp & 0xffff;
5322 sc->rx_phy_errors += tmp >> 16;
5323
5324 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5325
5326 sc->rx_false_ccas += tmp & 0xffff;
5327 sc->rx_plcp_errors += tmp >> 16;
5328
5329 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5330
5331 sc->rx_dup_packets += tmp & 0xffff;
5332 sc->rx_fifo_overflows += tmp >> 16;
5333 }
5334
5335 /*
5336 * rt2860_intr_enable
5337 */
5338 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5339 {
5340 uint32_t tmp;
5341
5342 sc->intr_disable_mask &= ~intr_mask;
5343
5344 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5345
5346 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5347 }
5348
5349 /*
5350 * rt2860_intr_disable
5351 */
5352 static void rt2860_intr_disable(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_txrx_enable
5365 */
5366 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5367 {
5368 struct ieee80211com *ic;
5369 struct ifnet *ifp;
5370 uint32_t tmp;
5371 int ntries;
5372
5373 ifp = sc->ifp;
5374 ic = ifp->if_l2com;
5375
5376 /* enable Tx/Rx DMA engine */
5377
5378 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5379
5380 for (ntries = 0; ntries < 200; ntries++)
5381 {
5382 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5383 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5384 break;
5385
5386 DELAY(1000);
5387 }
5388
5389 if (ntries == 200)
5390 {
5391 printf("%s: timeout waiting for DMA engine\n",
5392 device_get_nameunit(sc->dev));
5393 return -1;
5394 }
5395
5396 DELAY(50);
5397
5398 tmp |= RT2860_REG_TX_WB_DDONE |
5399 RT2860_REG_RX_DMA_ENABLE |
5400 RT2860_REG_TX_DMA_ENABLE |
5401 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5402
5403 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5404
5405 /* set Rx filter */
5406
5407 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5408 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5409
5410 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5411 {
5412 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5413 RT2860_REG_RX_FILTER_DROP_CTS |
5414 RT2860_REG_RX_FILTER_DROP_BA |
5415 RT2860_REG_RX_FILTER_DROP_ACK |
5416 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5417 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5418 RT2860_REG_RX_FILTER_DROP_CFACK |
5419 RT2860_REG_RX_FILTER_DROP_CFEND;
5420
5421 if (ic->ic_opmode == IEEE80211_M_STA)
5422 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5423 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5424
5425 if (!(ifp->if_flags & IFF_PROMISC))
5426 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5427 }
5428
5429 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5430
5431 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5432 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5433
5434 return 0;
5435 }
5436
5437 /*
5438 * rt2860_alloc_rx_ring
5439 */
5440 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5441 struct rt2860_softc_rx_ring *ring)
5442 {
5443 struct rt2860_rxdesc *desc;
5444 struct rt2860_softc_rx_data *data;
5445 bus_dma_segment_t segs[1];
5446 int i, nsegs, error;
5447
5448 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5449 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5450 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5451 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5452 0, NULL, NULL, &ring->desc_dma_tag);
5453 if (error != 0)
5454 {
5455 printf("%s: could not create Rx desc DMA tag\n",
5456 device_get_nameunit(sc->dev));
5457 goto fail;
5458 }
5459
5460 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5461 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5462 if (error != 0)
5463 {
5464 printf("%s: could not allocate Rx desc DMA memory\n",
5465 device_get_nameunit(sc->dev));
5466 goto fail;
5467 }
5468
5469 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5470 ring->desc,
5471 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5472 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5473 if (error != 0)
5474 {
5475 printf("%s: could not load Rx desc DMA map\n",
5476 device_get_nameunit(sc->dev));
5477 goto fail;
5478 }
5479
5480 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5481 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5482 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5483 &ring->data_dma_tag);
5484 if (error != 0)
5485 {
5486 printf("%s: could not create Rx data DMA tag\n",
5487 device_get_nameunit(sc->dev));
5488 goto fail;
5489 }
5490
5491 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5492 {
5493 desc = &ring->desc[i];
5494 data = &ring->data[i];
5495
5496 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5497 if (error != 0)
5498 {
5499 printf("%s: could not create Rx data DMA map\n",
5500 device_get_nameunit(sc->dev));
5501 goto fail;
5502 }
5503
5504 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5505 if (data->m == NULL)
5506 {
5507 printf("%s: could not allocate Rx mbuf\n",
5508 device_get_nameunit(sc->dev));
5509 error = ENOMEM;
5510 goto fail;
5511 }
5512
5513 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5514
5515 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5516 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5517 if (error != 0)
5518 {
5519 printf("%s: could not load Rx mbuf DMA map\n",
5520 device_get_nameunit(sc->dev));
5521 goto fail;
5522 }
5523
5524 KASSERT(nsegs == 1, ("%s: too many DMA segments"));
5525
5526 desc->sdp0 = htole32(segs[0].ds_addr);
5527 desc->sdl0 = htole16(MJUMPAGESIZE);
5528 }
5529
5530 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5531 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5532
5533 return 0;
5534
5535 fail:
5536
5537 rt2860_free_rx_ring(sc, ring);
5538
5539 return error;
5540 }
5541
5542 /*
5543 * rt2860_reset_rx_ring
5544 */
5545 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5546 struct rt2860_softc_rx_ring *ring)
5547 {
5548 struct rt2860_rxdesc *desc;
5549 int i;
5550
5551 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5552 {
5553 desc = &ring->desc[i];
5554
5555 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5556 }
5557
5558 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5559 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5560
5561 ring->cur = 0;
5562 }
5563
5564 /*
5565 * rt2860_free_rx_ring
5566 */
5567 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5568 struct rt2860_softc_rx_ring *ring)
5569 {
5570 struct rt2860_softc_rx_data *data;
5571 int i;
5572
5573 if (ring->desc != NULL)
5574 {
5575 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5576 BUS_DMASYNC_POSTWRITE);
5577 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5578 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5579 ring->desc_dma_map);
5580 }
5581
5582 if (ring->desc_dma_tag != NULL)
5583 bus_dma_tag_destroy(ring->desc_dma_tag);
5584
5585 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5586 {
5587 data = &ring->data[i];
5588
5589 if (data->m != NULL)
5590 {
5591 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5592 BUS_DMASYNC_POSTREAD);
5593 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5594 m_freem(data->m);
5595 }
5596
5597 if (data->dma_map != NULL)
5598 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5599 }
5600
5601 if (ring->data_dma_tag != NULL)
5602 bus_dma_tag_destroy(ring->data_dma_tag);
5603 }
5604
5605 /*
5606 * rt2860_alloc_tx_ring
5607 */
5608 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5609 struct rt2860_softc_tx_ring *ring, int qid)
5610 {
5611 struct rt2860_softc_tx_data *data;
5612 int error, i;
5613
5614 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5615 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5616 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5617 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5618 0, NULL, NULL, &ring->desc_dma_tag);
5619 if (error != 0)
5620 {
5621 printf("%s: could not create Tx desc DMA tag\n",
5622 device_get_nameunit(sc->dev));
5623 goto fail;
5624 }
5625
5626 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5627 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5628 if (error != 0)
5629 {
5630 printf("%s: could not allocate Tx desc DMA memory\n",
5631 device_get_nameunit(sc->dev));
5632 goto fail;
5633 }
5634
5635 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5636 ring->desc,
5637 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5638 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5639 if (error != 0)
5640 {
5641 printf("%s: could not load Tx desc DMA map\n",
5642 device_get_nameunit(sc->dev));
5643 goto fail;
5644 }
5645
5646 ring->desc_queued = 0;
5647 ring->desc_cur = 0;
5648 ring->desc_next = 0;
5649
5650 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 4, 0,
5651 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5652 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5653 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5654 0, NULL, NULL, &ring->seg0_dma_tag);
5655 if (error != 0)
5656 {
5657 printf("%s: could not create Tx seg0 DMA tag\n",
5658 device_get_nameunit(sc->dev));
5659 goto fail;
5660 }
5661
5662 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5663 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5664 if (error != 0)
5665 {
5666 printf("%s: could not allocate Tx seg0 DMA memory\n",
5667 device_get_nameunit(sc->dev));
5668 goto fail;
5669 }
5670
5671 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5672 ring->seg0,
5673 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5674 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5675 if (error != 0)
5676 {
5677 printf("%s: could not load Tx seg0 DMA map\n",
5678 device_get_nameunit(sc->dev));
5679 goto fail;
5680 }
5681
5682 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), 1, 0,
5683 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5684 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5685 &ring->data_dma_tag);
5686 if (error != 0)
5687 {
5688 printf("%s: could not create Tx data DMA tag\n",
5689 device_get_nameunit(sc->dev));
5690 goto fail;
5691 }
5692
5693 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5694 {
5695 data = &ring->data[i];
5696
5697 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5698 if (error != 0)
5699 {
5700 printf("%s: could not create Tx data DMA map\n",
5701 device_get_nameunit(sc->dev));
5702 goto fail;
5703 }
5704 }
5705
5706 ring->data_queued = 0;
5707 ring->data_cur = 0;
5708 ring->data_next = 0;
5709
5710 ring->qid = qid;
5711
5712 return 0;
5713
5714 fail:
5715
5716 rt2860_free_tx_ring(sc, ring);
5717
5718 return error;
5719 }
5720
5721 /*
5722 * rt2860_reset_tx_ring
5723 */
5724 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5725 struct rt2860_softc_tx_ring *ring)
5726 {
5727 struct rt2860_softc_tx_data *data;
5728 struct rt2860_txdesc *desc;
5729 int i;
5730
5731 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5732 {
5733 desc = &ring->desc[i];
5734
5735 desc->sdl0 = 0;
5736 desc->sdl1 = 0;
5737 }
5738
5739 ring->desc_queued = 0;
5740 ring->desc_cur = 0;
5741 ring->desc_next = 0;
5742
5743 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5744 BUS_DMASYNC_PREWRITE);
5745
5746 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5747 BUS_DMASYNC_PREWRITE);
5748
5749 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5750 {
5751 data = &ring->data[i];
5752
5753 if (data->m != NULL)
5754 {
5755 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5756 BUS_DMASYNC_POSTWRITE);
5757 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5758 m_freem(data->m);
5759 data->m = NULL;
5760 }
5761
5762 if (data->ni != NULL)
5763 {
5764 ieee80211_free_node(data->ni);
5765 data->ni = NULL;
5766 }
5767 }
5768
5769 ring->data_queued = 0;
5770 ring->data_cur = 0;
5771 ring->data_next = 0;
5772 }
5773
5774 /*
5775 * rt2860_free_tx_ring
5776 */
5777 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5778 struct rt2860_softc_tx_ring *ring)
5779 {
5780 struct rt2860_softc_tx_data *data;
5781 int i;
5782
5783 if (ring->desc != NULL)
5784 {
5785 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5786 BUS_DMASYNC_POSTWRITE);
5787 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5788 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5789 ring->desc_dma_map);
5790 }
5791
5792 if (ring->desc_dma_tag != NULL)
5793 bus_dma_tag_destroy(ring->desc_dma_tag);
5794
5795 if (ring->seg0 != NULL)
5796 {
5797 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5798 BUS_DMASYNC_POSTWRITE);
5799 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
5800 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
5801 ring->seg0_dma_map);
5802 }
5803
5804 if (ring->seg0_dma_tag != NULL)
5805 bus_dma_tag_destroy(ring->seg0_dma_tag);
5806
5807 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5808 {
5809 data = &ring->data[i];
5810
5811 if (data->m != NULL)
5812 {
5813 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5814 BUS_DMASYNC_POSTWRITE);
5815 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5816 m_freem(data->m);
5817 }
5818
5819 if (data->ni != NULL)
5820 ieee80211_free_node(data->ni);
5821
5822 if (data->dma_map != NULL)
5823 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5824 }
5825
5826 if (ring->data_dma_tag != NULL)
5827 bus_dma_tag_destroy(ring->data_dma_tag);
5828 }
5829
5830 /*
5831 * rt2860_dma_map_addr
5832 */
5833 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
5834 int nseg, int error)
5835 {
5836 if (error != 0)
5837 return;
5838
5839 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
5840
5841 *(bus_addr_t *) arg = segs[0].ds_addr;
5842 }
5843
5844 /*
5845 * rt2860_sysctl_attach
5846 */
5847 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
5848 {
5849 struct sysctl_ctx_list *ctx;
5850 struct sysctl_oid *tree;
5851 struct sysctl_oid *stats;
5852
5853 ctx = device_get_sysctl_ctx(sc->dev);
5854 tree = device_get_sysctl_tree(sc->dev);
5855
5856 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5857 "stats", CTLFLAG_RD, 0, "statistic");
5858
5859 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5860 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5861 "all interrupts");
5862
5863 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5864 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
5865 "Tx coherent interrupts");
5866
5867 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5868 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
5869 "Rx coherent interrupts");
5870
5871 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5872 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
5873 "Tx/Rx coherent interrupts");
5874
5875 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5876 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
5877 "FIFO statistic full interrupts");
5878
5879 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5880 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5881 "Rx interrupts");
5882
5883 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5884 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
5885 "Rx delay interrupts");
5886
5887 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5888 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5889 "Tx MGMT interrupts");
5890
5891 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5892 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5893 "Tx HCCA interrupts");
5894
5895 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5896 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5897 "Tx AC3 interrupts");
5898
5899 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5900 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5901 "Tx AC2 interrupts");
5902
5903 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5904 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5905 "Tx AC1 interrupts");
5906
5907 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5908 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5909 "Tx AC0 interrupts");
5910
5911 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5912 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
5913 "Tx delay interrupts");
5914
5915 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5916 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
5917 "Pre-TBTT interrupts");
5918
5919 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5920 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
5921 "TBTT interrupts");
5922
5923 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5924 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
5925 "MCU command interrupts");
5926
5927 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5928 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
5929 "auto wakeup interrupts");
5930
5931 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5932 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
5933 "GP timer interrupts");
5934
5935 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5936 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
5937 "Tx MGMT descriptors queued");
5938
5939 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5940 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
5941 "Tx MGMT data queued");
5942
5943 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5944 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
5945 "Tx HCCA descriptors queued");
5946
5947 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5948 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
5949 "Tx HCCA data queued");
5950
5951 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5952 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
5953 "Tx AC3 descriptors queued");
5954
5955 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5956 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
5957 "Tx AC3 data queued");
5958
5959 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5960 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
5961 "Tx AC2 descriptors queued");
5962
5963 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5964 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
5965 "Tx AC2 data queued");
5966
5967 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5968 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
5969 "Tx AC1 descriptors queued");
5970
5971 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5972 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
5973 "Tx AC1 data queued");
5974
5975 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5976 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
5977 "Tx AC0 descriptors queued");
5978
5979 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5980 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
5981 "Tx AC0 data queued");
5982
5983 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5984 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5985 "Tx watchdog timeouts");
5986
5987 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5988 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
5989 "Tx defragmented packets");
5990
5991 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5992 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
5993 "no Tx descriptors available");
5994
5995 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5996 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5997 "Rx mbuf allocation errors");
5998
5999 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6000 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6001 "Rx mbuf DMA mapping errors");
6002
6003 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6004 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6005 "Tx queue 0 not empty");
6006
6007 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6008 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6009 "Tx queue 1 not empty");
6010
6011 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6012 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6013 "Rx packets");
6014
6015 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6016 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6017 "Rx CRC errors");
6018
6019 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6020 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6021 "Rx PHY errors");
6022
6023 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6024 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6025 "Rx false CCAs");
6026
6027 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6028 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6029 "Rx PLCP errors");
6030
6031 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6032 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6033 "Rx duplicate packets");
6034
6035 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6036 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6037 "Rx FIFO overflows");
6038 }
6039
6040 static device_method_t rt2860_dev_methods[] =
6041 {
6042 DEVMETHOD(device_probe, rt2860_probe),
6043 DEVMETHOD(device_attach, rt2860_attach),
6044 DEVMETHOD(device_detach, rt2860_detach),
6045 DEVMETHOD(device_shutdown, rt2860_shutdown),
6046 DEVMETHOD(device_suspend, rt2860_suspend),
6047 DEVMETHOD(device_resume, rt2860_resume),
6048 { 0, 0 }
6049 };
6050
6051 static driver_t rt2860_driver =
6052 {
6053 "rt2860",
6054 rt2860_dev_methods,
6055 sizeof(struct rt2860_softc)
6056 };
6057
6058 static devclass_t rt2860_dev_class;
6059
6060 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6061
6062 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6063 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860