?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
A-MPDU Tx support; Increased size of Tx ring to 256 and size of scatter/gather buffer...
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blob829da02c3e18b1ee229de40220930e6848315859
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2860_softc.h"
20 #include "rt2860_reg.h"
21 #include "rt2860_eeprom.h"
22 #include "rt2860_ucode.h"
23 #include "rt2860_txwi.h"
24 #include "rt2860_rxwi.h"
25 #include "rt2860_io.h"
26 #include "rt2860_read_eeprom.h"
27 #include "rt2860_led.h"
28 #include "rt2860_rf.h"
29 #include "rt2860_debug.h"
30
31 /*
32 * Defines and macros
33 */
34
35 #define PCI_VENDOR_RALINK 0x1814
36 #define PCI_PRODUCT_RALINK_RT2860_PCI 0x0601
37 #define PCI_PRODUCT_RALINK_RT2860_PCIe 0x0681
38 #define PCI_PRODUCT_RALINK_RT2760_PCI 0x0701
39 #define PCI_PRODUCT_RALINK_RT2790_PCIe 0x0781
40
41 #define RT2860_MAX_AGG_SIZE 3840
42
43 #define RT2860_TX_DATA_SEG0_SIZE \
44 (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4))
45
46 #define RT2860_NOISE_FLOOR -95
47
48 #define RT2860_AID2WCID(aid) ((aid) & 0xff)
49
50 #define RT2860_ACK_SIZE 14
51
52 #define IEEE80211_HAS_ADDR4(wh) \
53 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
54
55 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
56 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
57
58 #define RT2860_TX_WATCHDOG_TIMEOUT 5
59
60 /*
61 * Data structures and types
62 */
63
64 struct rt2860_pci_ident
65 {
66 uint16_t vendor;
67 uint16_t device;
68 const char *name;
69 };
70
71 /*
72 * Static function prototypes
73 */
74
75 static int rt2860_probe(device_t dev);
76
77 static int rt2860_attach(device_t dev);
78
79 static int rt2860_detach(device_t dev);
80
81 static int rt2860_shutdown(device_t dev);
82
83 static int rt2860_suspend(device_t dev);
84
85 static int rt2860_resume(device_t dev);
86
87 static void rt2860_init_channels(struct rt2860_softc *sc);
88
89 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
90
91 static void rt2860_init_locked(void *priv);
92
93 static void rt2860_init(void *priv);
94
95 static int rt2860_init_bbp(struct rt2860_softc *sc);
96
97 static void rt2860_stop_locked(void *priv);
98
99 static void rt2860_stop(void *priv);
100
101 static void rt2860_start(struct ifnet *ifp);
102
103 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
104
105 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
106 const char name[IFNAMSIZ], int unit, int opmode, int flags,
107 const uint8_t bssid[IEEE80211_ADDR_LEN],
108 const uint8_t mac[IEEE80211_ADDR_LEN]);
109
110 static void rt2860_vap_delete(struct ieee80211vap *vap);
111
112 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
113
114 static int rt2860_vap_newstate(struct ieee80211vap *vap,
115 enum ieee80211_state nstate, int arg);
116
117 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
118
119 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
120
121 static int rt2860_vap_key_set(struct ieee80211vap *vap,
122 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
123
124 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
125 const struct ieee80211_key *k);
126
127 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
128
129 static int rt2860_media_change(struct ifnet *ifp);
130
131 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
132 const uint8_t mac[IEEE80211_ADDR_LEN]);
133
134 static int rt2860_setregdomain(struct ieee80211com *ic,
135 struct ieee80211_regdomain *reg,
136 int nchans, struct ieee80211_channel chans[]);
137
138 static void rt2860_getradiocaps(struct ieee80211com *ic,
139 int maxchans, int *nchans, struct ieee80211_channel chans[]);
140
141 static void rt2860_scan_start(struct ieee80211com *ic);
142
143 static void rt2860_scan_end(struct ieee80211com *ic);
144
145 static void rt2860_set_channel(struct ieee80211com *ic);
146
147 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
148
149 static void rt2860_updateslot(struct ifnet *ifp);
150
151 static void rt2860_update_promisc(struct ifnet *ifp);
152
153 static void rt2860_update_mcast(struct ifnet *ifp);
154
155 static int rt2860_wme_update(struct ieee80211com *ic);
156
157 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
158 const struct ieee80211_bpf_params *params);
159
160 static int rt2860_recv_action(struct ieee80211_node *ni,
161 const struct ieee80211_frame *wh,
162 const uint8_t *frm, const uint8_t *efrm);
163
164 static int rt2860_send_action(struct ieee80211_node *ni,
165 int cat, int act, void *sa);
166
167 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
168
169 static void rt2860_periodic(void *arg);
170
171 static void rt2860_tx_watchdog(void *arg);
172
173 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
174 const uint8_t *bssid);
175
176 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
177 const uint8_t *addr);
178
179 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
180
181 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
182
183 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
184
185 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
186
187 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
188
189 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
190
191 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
192
193 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
194
195 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
196
197 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
198
199 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
200
201 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
202 struct ieee80211vap *vap);
203
204 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
205
206 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
207
208 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
209 const struct rt2860_rxwi *rxwi);
210
211 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
212 uint8_t rssi, uint8_t rxpath);
213
214 static uint8_t rt2860_rate2mcs(uint8_t rate);
215
216 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
217 struct mbuf *m, struct ieee80211_node *ni, int qid);
218
219 static int rt2860_tx_data(struct rt2860_softc *sc,
220 struct mbuf *m, struct ieee80211_node *ni, int qid);
221
222 static int rt2860_tx_raw(struct rt2860_softc *sc,
223 struct mbuf *m, struct ieee80211_node *ni,
224 const struct ieee80211_bpf_params *params);
225
226 static void rt2860_intr(void *arg);
227
228 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
229
230 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
231
232 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
233
234 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
235
236 static void rt2860_rx_intr(struct rt2860_softc *sc);
237
238 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
239
240 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
241
242 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
243
244 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
245
246 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
247
248 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
249
250 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
251
252 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
253
254 static void rt2860_rx_done_task(void *context, int pending);
255
256 static void rt2860_tx_done_task(void *context, int pending);
257
258 static void rt2860_fifo_sta_full_task(void *context, int pending);
259
260 static void rt2860_periodic_task(void *context, int pending);
261
262 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
263
264 static void rt2860_tx_eof(struct rt2860_softc *sc,
265 struct rt2860_softc_tx_ring *ring);
266
267 static void rt2860_update_stats(struct rt2860_softc *sc);
268
269 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
270
271 static void rt2860_watchdog(struct rt2860_softc *sc);
272
273 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
274
275 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
276
277 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
278
279 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
280
281 static int rt2860_txrx_enable(struct rt2860_softc *sc);
282
283 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
284 struct rt2860_softc_rx_ring *ring);
285
286 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
287 struct rt2860_softc_rx_ring *ring);
288
289 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
290 struct rt2860_softc_rx_ring *ring);
291
292 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
293 struct rt2860_softc_tx_ring *ring, int qid);
294
295 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
296 struct rt2860_softc_tx_ring *ring);
297
298 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
299 struct rt2860_softc_tx_ring *ring);
300
301 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
302 int nseg, int error);
303
304 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
305
306 /*
307 * Static variables
308 */
309
310 static const struct rt2860_pci_ident rt2860_pci_ids[] =
311 {
312 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
313 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
314 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
315 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
316 { 0, 0, NULL }
317 };
318
319 static const struct
320 {
321 uint32_t reg;
322 uint32_t val;
323 } rt2860_def_mac[] =
324 {
325 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
326 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
327 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
328 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
329 { RT2860_REG_SYS_CTRL, 0x00000000 },
330 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
331 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
332 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
333 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
334 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
335 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
336 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
337 { RT2860_REG_LED_CFG, 0x7f031e46 },
338 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
339 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
340 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
341 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
342 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
343 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
344 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
345 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
346 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
347 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
348 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
349 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
350 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
351 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
352 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
353 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
354 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
355 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
356 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
357 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
358 };
359
360 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
361
362 static const struct
363 {
364 uint8_t reg;
365 uint8_t val;
366 } rt2860_def_bbp[] =
367 {
368 { 65, 0x2c },
369 { 66, 0x38 },
370 { 69, 0x12 },
371 { 70, 0x0a },
372 { 73, 0x10 },
373 { 81, 0x37 },
374 { 82, 0x62 },
375 { 83, 0x6a },
376 { 84, 0x99 },
377 { 86, 0x00 },
378 { 91, 0x04 },
379 { 92, 0x00 },
380 { 103, 0x00 },
381 { 105, 0x05 },
382 { 106, 0x35 },
383 };
384
385 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
386
387 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
388
389 #ifdef RT2860_DEBUG
390 static int rt2860_debug = 0;
391 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
392 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
393 #endif
394
395 /*
396 * rt2860_probe
397 */
398 static int rt2860_probe(device_t dev)
399 {
400 const struct rt2860_pci_ident *ident;
401
402 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
403 {
404 if (pci_get_vendor(dev) == ident->vendor &&
405 pci_get_device(dev) == ident->device)
406 {
407 device_set_desc(dev, ident->name);
408 return 0;
409 }
410 }
411
412 return ENXIO;
413 }
414
415 /*
416 * rt2860_attach
417 */
418 static int rt2860_attach(device_t dev)
419 {
420 struct rt2860_softc *sc;
421 struct ifnet *ifp;
422 struct ieee80211com *ic;
423 int error, ntries, i;
424
425 sc = device_get_softc(dev);
426
427 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
428 {
429 printf("%s: chip is in D%d power mode, setting to D0\n",
430 device_get_nameunit(dev), pci_get_powerstate(dev));
431 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
432 }
433
434 /* enable bus-mastering */
435
436 pci_enable_busmaster(dev);
437
438 sc->dev = dev;
439
440 mtx_init(&sc->lock, device_get_nameunit(dev),
441 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
442
443 sc->mem_rid = PCIR_BAR(0);
444 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
445 &sc->mem_rid, RF_ACTIVE);
446 if (sc->mem == NULL)
447 {
448 printf("%s: could not allocate memory resource\n",
449 device_get_nameunit(dev));
450 error = ENXIO;
451 goto fail;
452 }
453
454 sc->bst = rman_get_bustag(sc->mem);
455 sc->bsh = rman_get_bushandle(sc->mem);
456
457 sc->irq_rid = 0;
458 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
459 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
460 if (sc->irq == NULL)
461 {
462 printf("%s: could not allocate interrupt resource\n",
463 device_get_nameunit(dev));
464 error = ENXIO;
465 goto fail;
466 }
467
468 #ifdef RT2860_DEBUG
469 sc->debug = rt2860_debug;
470
471 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
472 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
473 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
474 #endif
475
476 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
477 "%s: attaching\n",
478 device_get_nameunit(sc->dev));
479
480 /* wait for NIC to initialize */
481
482 for (ntries = 0; ntries < 100; ntries++)
483 {
484 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
485 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
486 break;
487
488 DELAY(10);
489 }
490
491 if (ntries == 100)
492 {
493 printf("%s: timeout waiting for NIC to initialize\n",
494 device_get_nameunit(dev));
495 error = EIO;
496 goto fail;
497 }
498
499 rt2860_read_eeprom(sc);
500
501 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
502 device_get_nameunit(sc->dev), sc->mac_rev,
503 rt2860_rf_name(sc->rf_rev));
504
505 /* allocate Tx and Rx rings */
506
507 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
508 {
509 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
510 if (error != 0)
511 {
512 printf("%s: could not allocate Tx ring #%d\n",
513 device_get_nameunit(sc->dev), i);
514 goto fail;
515 }
516 }
517
518 sc->tx_ring_mgtqid = 5;
519
520 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
521 if (error != 0)
522 {
523 printf("%s: could not allocate Rx ring\n",
524 device_get_nameunit(sc->dev));
525 goto fail;
526 }
527
528 callout_init(&sc->periodic_ch, 0);
529 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
530
531 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
532 if (ifp == NULL)
533 {
534 printf("%s: could not if_alloc()\n",
535 device_get_nameunit(sc->dev));
536 error = ENOMEM;
537 goto fail;
538 }
539
540 ifp->if_softc = sc;
541
542 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
543
544 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
545
546 ifp->if_init = rt2860_init;
547 ifp->if_ioctl = rt2860_ioctl;
548 ifp->if_start = rt2860_start;
549
550 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
551 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
552 IFQ_SET_READY(&ifp->if_snd);
553
554 ic = ifp->if_l2com;
555
556 ic->ic_ifp = ifp;
557
558 ic->ic_phytype = IEEE80211_T_HT;
559 ic->ic_opmode = IEEE80211_M_STA;
560
561 ic->ic_caps = IEEE80211_C_MONITOR |
562 IEEE80211_C_IBSS |
563 IEEE80211_C_STA |
564 IEEE80211_C_AHDEMO |
565 IEEE80211_C_HOSTAP |
566 IEEE80211_C_WDS |
567 IEEE80211_C_MBSS |
568 /* IEEE80211_C_BGSCAN | */
569 IEEE80211_C_TXPMGT |
570 IEEE80211_C_SHPREAMBLE |
571 IEEE80211_C_SHSLOT |
572 IEEE80211_C_TXFRAG |
573 IEEE80211_C_BURST |
574 IEEE80211_C_WME |
575 IEEE80211_C_WPA;
576
577 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
578 IEEE80211_CRYPTO_TKIP |
579 IEEE80211_CRYPTO_TKIPMIC |
580 IEEE80211_CRYPTO_AES_CCM;
581
582 ic->ic_htcaps = IEEE80211_HTC_HT |
583 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
584 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
585 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
586 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
587 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
588 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
589 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
590 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
591
592 /* spatial streams */
593
594 if (sc->nrxpath == 2)
595 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
596 else if (sc->nrxpath == 3)
597 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
598 else
599 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
600
601 if (sc->ntxpath > 1)
602 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
603
604 /* delayed BA */
605
606 if (sc->mac_rev != 0x28600100)
607 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
608
609 /* init channels */
610
611 ic->ic_nchans = 0;
612
613 rt2860_init_channels(sc);
614
615 rt2860_init_channels_ht40(sc);
616
617 ieee80211_ifattach(ic, sc->mac_addr);
618
619 ic->ic_vap_create = rt2860_vap_create;
620 ic->ic_vap_delete = rt2860_vap_delete;
621
622 ic->ic_node_alloc = rt2860_node_alloc;
623 ic->ic_setregdomain = rt2860_setregdomain;
624 ic->ic_getradiocaps = rt2860_getradiocaps;
625 ic->ic_scan_start = rt2860_scan_start;
626 ic->ic_scan_end = rt2860_scan_end;
627 ic->ic_set_channel = rt2860_set_channel;
628 ic->ic_newassoc = rt2860_newassoc;
629 ic->ic_updateslot = rt2860_updateslot;
630 ic->ic_update_promisc = rt2860_update_promisc;
631 ic->ic_update_mcast = rt2860_update_mcast;
632 ic->ic_wme.wme_update = rt2860_wme_update;
633 ic->ic_raw_xmit = rt2860_raw_xmit;
634
635 sc->recv_action = ic->ic_recv_action;
636 ic->ic_recv_action = rt2860_recv_action;
637
638 sc->send_action = ic->ic_send_action;
639 ic->ic_send_action = rt2860_send_action;
640
641 /* hardware requires padding between 802.11 frame header and body */
642
643 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
644
645 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
646
647 ieee80211_radiotap_attach(ic,
648 &sc->txtap.ihdr, sizeof(sc->txtap),
649 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
650 &sc->rxtap.ihdr, sizeof(sc->rxtap),
651 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
652
653 /* init task queue */
654
655 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
656 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
657 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
658 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
659
660 sc->rx_process_limit = 100;
661
662 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
663 taskqueue_thread_enqueue, &sc->taskqueue);
664
665 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
666 device_get_nameunit(sc->dev));
667
668 rt2860_sysctl_attach(sc);
669
670 if (bootverbose)
671 ieee80211_announce(ic);
672
673 /* set up interrupt */
674
675 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
676 NULL, rt2860_intr, sc, &sc->irqh);
677 if (error != 0)
678 {
679 printf("%s: could not set up interrupt\n",
680 device_get_nameunit(dev));
681 goto fail;
682 }
683
684 return 0;
685
686 fail:
687
688 /* free Tx and Rx rings */
689
690 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
691 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
692
693 rt2860_free_rx_ring(sc, &sc->rx_ring);
694
695 mtx_destroy(&sc->lock);
696
697 if (sc->mem != NULL)
698 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
699
700 if (sc->irq != NULL)
701 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
702
703 return error;
704 }
705
706 /*
707 * rt2860_detach
708 */
709 static int rt2860_detach(device_t dev)
710 {
711 struct rt2860_softc *sc;
712 struct ifnet *ifp;
713 struct ieee80211com *ic;
714 int i;
715
716 sc = device_get_softc(dev);
717 ifp = sc->ifp;
718 ic = ifp->if_l2com;
719
720 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
721 "%s: detaching\n",
722 device_get_nameunit(sc->dev));
723
724 RT2860_SOFTC_LOCK(sc);
725
726 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
727
728 callout_stop(&sc->periodic_ch);
729 callout_stop(&sc->tx_watchdog_ch);
730
731 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
732 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
733 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
734 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
735
736 /* free Tx and Rx rings */
737
738 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
739 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
740
741 rt2860_free_rx_ring(sc, &sc->rx_ring);
742
743 RT2860_SOFTC_UNLOCK(sc);
744
745 ieee80211_ifdetach(ic);
746
747 if_free(ifp);
748
749 taskqueue_free(sc->taskqueue);
750
751 mtx_destroy(&sc->lock);
752
753 bus_generic_detach(dev);
754
755 bus_teardown_intr(dev, sc->irq, sc->irqh);
756
757 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
758
759 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
760
761 return 0;
762 }
763
764 /*
765 * rt2860_shutdown
766 */
767 static int rt2860_shutdown(device_t dev)
768 {
769 struct rt2860_softc *sc;
770
771 sc = device_get_softc(dev);
772
773 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
774 "%s: shutting down\n",
775 device_get_nameunit(sc->dev));
776
777 rt2860_stop(sc);
778
779 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
780
781 return 0;
782 }
783
784 /*
785 * rt2860_suspend
786 */
787 static int rt2860_suspend(device_t dev)
788 {
789 struct rt2860_softc *sc;
790
791 sc = device_get_softc(dev);
792
793 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
794 "%s: suspending\n",
795 device_get_nameunit(sc->dev));
796
797 rt2860_stop(sc);
798
799 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
800
801 return 0;
802 }
803
804 /*
805 * rt2860_resume
806 */
807 static int rt2860_resume(device_t dev)
808 {
809 struct rt2860_softc *sc;
810 struct ifnet *ifp;
811
812 sc = device_get_softc(dev);
813 ifp = sc->ifp;
814
815 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
816 "%s: resuming\n",
817 device_get_nameunit(sc->dev));
818
819 if (ifp->if_flags & IFF_UP)
820 rt2860_init(sc);
821
822 return 0;
823 }
824
825 /*
826 * rt2860_init_channels
827 */
828 static void rt2860_init_channels(struct rt2860_softc *sc)
829 {
830 struct ifnet *ifp;
831 struct ieee80211com *ic;
832 struct ieee80211_channel *c;
833 int i, flags;
834
835 ifp = sc->ifp;
836 ic = ifp->if_l2com;
837
838 /* set supported channels for 2GHz band */
839
840 for (i = 1; i <= 14; i++)
841 {
842 c = &ic->ic_channels[ic->ic_nchans++];
843 flags = IEEE80211_CHAN_B;
844
845 c->ic_freq = ieee80211_ieee2mhz(i, flags);
846 c->ic_ieee = i;
847 c->ic_flags = flags;
848
849 c = &ic->ic_channels[ic->ic_nchans++];
850 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
851
852 c->ic_freq = ieee80211_ieee2mhz(i, flags);
853 c->ic_ieee = i;
854 c->ic_flags = flags;
855
856 c = &ic->ic_channels[ic->ic_nchans++];
857 flags = IEEE80211_CHAN_G;
858
859 c->ic_freq = ieee80211_ieee2mhz(i, flags);
860 c->ic_ieee = i;
861 c->ic_flags = flags;
862
863 c = &ic->ic_channels[ic->ic_nchans++];
864 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
865
866 c->ic_freq = ieee80211_ieee2mhz(i, flags);
867 c->ic_ieee = i;
868 c->ic_flags = flags;
869 }
870
871 /* set supported channels for 5GHz band */
872
873 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
874 sc->rf_rev == RT2860_EEPROM_RF_2750)
875 {
876 for (i = 36; i <= 64; i += 4)
877 {
878 c = &ic->ic_channels[ic->ic_nchans++];
879 flags = IEEE80211_CHAN_A;
880
881 c->ic_freq = ieee80211_ieee2mhz(i, flags);
882 c->ic_ieee = i;
883 c->ic_flags = flags;
884
885 c = &ic->ic_channels[ic->ic_nchans++];
886 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
887
888 c->ic_freq = ieee80211_ieee2mhz(i, flags);
889 c->ic_ieee = i;
890 c->ic_flags = flags;
891 }
892
893 for (i = 100; i <= 140; i += 4)
894 {
895 c = &ic->ic_channels[ic->ic_nchans++];
896 flags = IEEE80211_CHAN_A;
897
898 c->ic_freq = ieee80211_ieee2mhz(i, flags);
899 c->ic_ieee = i;
900 c->ic_flags = flags;
901
902 c = &ic->ic_channels[ic->ic_nchans++];
903 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
904
905 c->ic_freq = ieee80211_ieee2mhz(i, flags);
906 c->ic_ieee = i;
907 c->ic_flags = flags;
908 }
909
910 for (i = 149; i <= 165; i += 4)
911 {
912 c = &ic->ic_channels[ic->ic_nchans++];
913 flags = IEEE80211_CHAN_A;
914
915 c->ic_freq = ieee80211_ieee2mhz(i, flags);
916 c->ic_ieee = i;
917 c->ic_flags = flags;
918
919 c = &ic->ic_channels[ic->ic_nchans++];
920 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
921
922 c->ic_freq = ieee80211_ieee2mhz(i, flags);
923 c->ic_ieee = i;
924 c->ic_flags = flags;
925 }
926 }
927 }
928
929 /*
930 * rt2860_init_channels_ht40
931 */
932 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
933 {
934 struct ifnet *ifp;
935 struct ieee80211com *ic;
936 struct ieee80211_channel *c, *cent, *ext;
937 int i, flags;
938
939 ifp = sc->ifp;
940 ic = ifp->if_l2com;
941
942 /* set supported channels for 2GHz band */
943
944 for (i = 1; i <= 14; i++)
945 {
946 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
947
948 /* find the center channel */
949
950 cent = ieee80211_find_channel_byieee(ic, i,
951 flags & ~IEEE80211_CHAN_HT);
952 if (cent == NULL)
953 {
954 printf("%s: skip channel %d, could not find center channel\n",
955 device_get_nameunit(sc->dev), i);
956 continue;
957 }
958
959 /* find the extension channel */
960
961 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
962 flags & ~IEEE80211_CHAN_HT);
963 if (ext == NULL)
964 {
965 printf("%s: skip channel %d, could not find extension channel\n",
966 device_get_nameunit(sc->dev), i);
967 continue;
968 }
969
970 c = &ic->ic_channels[ic->ic_nchans++];
971
972 *c = *cent;
973 c->ic_extieee = ext->ic_ieee;
974 c->ic_flags &= ~IEEE80211_CHAN_HT;
975 c->ic_flags |= IEEE80211_CHAN_HT40U;
976
977 c = &ic->ic_channels[ic->ic_nchans++];
978
979 *c = *ext;
980 c->ic_extieee = cent->ic_ieee;
981 c->ic_flags &= ~IEEE80211_CHAN_HT;
982 c->ic_flags |= IEEE80211_CHAN_HT40D;
983 }
984
985 /* set supported channels for 5GHz band */
986
987 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
988 sc->rf_rev == RT2860_EEPROM_RF_2750)
989 {
990 for (i = 36; i <= 64; i += 4)
991 {
992 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
993
994 /* find the center channel */
995
996 cent = ieee80211_find_channel_byieee(ic, i,
997 flags & ~IEEE80211_CHAN_HT);
998 if (cent == NULL)
999 {
1000 printf("%s: skip channel %d, could not find center channel\n",
1001 device_get_nameunit(sc->dev), i);
1002 continue;
1003 }
1004
1005 /* find the extension channel */
1006
1007 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1008 flags & ~IEEE80211_CHAN_HT);
1009 if (ext == NULL)
1010 {
1011 printf("%s: skip channel %d, could not find extension channel\n",
1012 device_get_nameunit(sc->dev), i);
1013 continue;
1014 }
1015
1016 c = &ic->ic_channels[ic->ic_nchans++];
1017
1018 *c = *cent;
1019 c->ic_extieee = ext->ic_ieee;
1020 c->ic_flags &= ~IEEE80211_CHAN_HT;
1021 c->ic_flags |= IEEE80211_CHAN_HT40U;
1022
1023 c = &ic->ic_channels[ic->ic_nchans++];
1024
1025 *c = *ext;
1026 c->ic_extieee = cent->ic_ieee;
1027 c->ic_flags &= ~IEEE80211_CHAN_HT;
1028 c->ic_flags |= IEEE80211_CHAN_HT40D;
1029 }
1030
1031 for (i = 100; i <= 140; i += 4)
1032 {
1033 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1034
1035 /* find the center channel */
1036
1037 cent = ieee80211_find_channel_byieee(ic, i,
1038 flags & ~IEEE80211_CHAN_HT);
1039 if (cent == NULL)
1040 {
1041 printf("%s: skip channel %d, could not find center channel\n",
1042 device_get_nameunit(sc->dev), i);
1043 continue;
1044 }
1045
1046 /* find the extension channel */
1047
1048 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1049 flags & ~IEEE80211_CHAN_HT);
1050 if (ext == NULL)
1051 {
1052 printf("%s: skip channel %d, could not find extension channel\n",
1053 device_get_nameunit(sc->dev), i);
1054 continue;
1055 }
1056
1057 c = &ic->ic_channels[ic->ic_nchans++];
1058
1059 *c = *cent;
1060 c->ic_extieee = ext->ic_ieee;
1061 c->ic_flags &= ~IEEE80211_CHAN_HT;
1062 c->ic_flags |= IEEE80211_CHAN_HT40U;
1063
1064 c = &ic->ic_channels[ic->ic_nchans++];
1065
1066 *c = *ext;
1067 c->ic_extieee = cent->ic_ieee;
1068 c->ic_flags &= ~IEEE80211_CHAN_HT;
1069 c->ic_flags |= IEEE80211_CHAN_HT40D;
1070 }
1071
1072 for (i = 149; i <= 165; i += 4)
1073 {
1074 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1075
1076 /* find the center channel */
1077
1078 cent = ieee80211_find_channel_byieee(ic, i,
1079 flags & ~IEEE80211_CHAN_HT);
1080 if (cent == NULL)
1081 {
1082 printf("%s: skip channel %d, could not find center channel\n",
1083 device_get_nameunit(sc->dev), i);
1084 continue;
1085 }
1086
1087 /* find the extension channel */
1088
1089 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1090 flags & ~IEEE80211_CHAN_HT);
1091 if (ext == NULL)
1092 {
1093 printf("%s: skip channel %d, could not find extension channel\n",
1094 device_get_nameunit(sc->dev), i);
1095 continue;
1096 }
1097
1098 c = &ic->ic_channels[ic->ic_nchans++];
1099
1100 *c = *cent;
1101 c->ic_extieee = ext->ic_ieee;
1102 c->ic_flags &= ~IEEE80211_CHAN_HT;
1103 c->ic_flags |= IEEE80211_CHAN_HT40U;
1104
1105 c = &ic->ic_channels[ic->ic_nchans++];
1106
1107 *c = *ext;
1108 c->ic_extieee = cent->ic_ieee;
1109 c->ic_flags &= ~IEEE80211_CHAN_HT;
1110 c->ic_flags |= IEEE80211_CHAN_HT40D;
1111 }
1112 }
1113 }
1114
1115 /*
1116 * rt2860_init_locked
1117 */
1118 static void rt2860_init_locked(void *priv)
1119 {
1120 struct rt2860_softc *sc;
1121 struct ifnet *ifp;
1122 struct ieee80211com *ic;
1123 int error, i, ntries;
1124 uint32_t tmp, stacnt[6];
1125
1126 sc = priv;
1127 ifp = sc->ifp;
1128 ic = ifp->if_l2com;
1129
1130 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1131 "%s: initializing\n",
1132 device_get_nameunit(sc->dev));
1133
1134 RT2860_SOFTC_ASSERT_LOCKED(sc);
1135
1136 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1137 {
1138 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1139 "%s: loading 8051 microcode\n",
1140 device_get_nameunit(sc->dev));
1141
1142 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1143 if (error != 0)
1144 {
1145 printf("%s: could not load 8051 microcode\n",
1146 device_get_nameunit(sc->dev));
1147 goto fail;
1148 }
1149
1150 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1151 "%s: 8051 microcode was successfully loaded\n",
1152 device_get_nameunit(sc->dev));
1153
1154 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1155 }
1156
1157 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1158
1159 /* disable DMA engine */
1160
1161 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1162
1163 tmp &= 0xff0;
1164 tmp |= RT2860_REG_TX_WB_DDONE;
1165
1166 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1167
1168 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1169
1170 /* PBF hardware reset */
1171
1172 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1173 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1174
1175 /* wait while DMA engine is busy */
1176
1177 for (ntries = 0; ntries < 100; ntries++)
1178 {
1179 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1180 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1181 break;
1182
1183 DELAY(1000);
1184 }
1185
1186 if (ntries == 100)
1187 {
1188 printf("%s: timeout waiting for DMA engine\n",
1189 device_get_nameunit(sc->dev));
1190 goto fail;
1191 }
1192
1193 tmp &= 0xff0;
1194 tmp |= RT2860_REG_TX_WB_DDONE;
1195
1196 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1197
1198 /* reset Rx and Tx rings */
1199
1200 tmp = RT2860_REG_RST_IDX_RX |
1201 RT2860_REG_RST_IDX_TX_MGMT |
1202 RT2860_REG_RST_IDX_TX_HCCA |
1203 RT2860_REG_RST_IDX_TX_AC3 |
1204 RT2860_REG_RST_IDX_TX_AC2 |
1205 RT2860_REG_RST_IDX_TX_AC1 |
1206 RT2860_REG_RST_IDX_TX_AC0;
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1209
1210 /* PBF hardware reset */
1211
1212 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1213 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1214
1215 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1216
1217 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1218 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1219 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1220
1221 /* init Tx power per rate */
1222
1223 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1224 {
1225 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1226 continue;
1227
1228 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1229 sc->txpow_rate_20mhz[i]);
1230 }
1231
1232 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1233 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1234 rt2860_def_mac[i].val);
1235
1236 /* wait while MAC is busy */
1237
1238 for (ntries = 0; ntries < 100; ntries++)
1239 {
1240 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1241 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1242 break;
1243
1244 DELAY(1000);
1245 }
1246
1247 if (ntries == 100)
1248 {
1249 printf("%s: timeout waiting for MAC\n",
1250 device_get_nameunit(sc->dev));
1251 goto fail;
1252 }
1253
1254 /* clear Host to MCU mailbox */
1255
1256 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1257 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1258
1259 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1260 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1261
1262 DELAY(1000);
1263
1264 error = rt2860_init_bbp(sc);
1265 if (error != 0)
1266 goto fail;
1267
1268 /* set up maximum buffer sizes */
1269
1270 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1271
1272 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1273
1274 if (sc->mac_rev == 0x28720200)
1275 {
1276 /* set max. PSDU length from 16K to 32K bytes */
1277
1278 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1279
1280 tmp &= ~(3 << 12);
1281 tmp |= (2 << 12);
1282
1283 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1284 }
1285
1286 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1287 {
1288 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1289
1290 tmp &= 0xfff;
1291 tmp |= 0x2000;
1292
1293 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1294 }
1295
1296 /* set mac address */
1297
1298 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1299
1300 /* clear statistic registers */
1301
1302 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1303 stacnt, sizeof(stacnt));
1304
1305 /* set RTS threshold */
1306
1307 rt2860_asic_update_rtsthreshold(sc);
1308
1309 /* set Tx power */
1310
1311 rt2860_asic_update_txpower(sc);
1312
1313 /* set up protection mode */
1314
1315 rt2860_asic_updateprot(sc);
1316
1317 /* clear key tables */
1318
1319 rt2860_asic_clear_keytables(sc);
1320
1321 /* clear beacon frame space (entries = 8, entry size = 512) */
1322
1323 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1324
1325 taskqueue_unblock(sc->taskqueue);
1326
1327 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1328
1329 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1330 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1331
1332 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1333 {
1334 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1335 sc->tx_ring[i].desc_phys_addr);
1336 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1337 RT2860_SOFTC_TX_RING_DESC_COUNT);
1338 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1339 }
1340
1341 /* init Rx ring */
1342
1343 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1344
1345 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1346 sc->rx_ring.desc_phys_addr);
1347 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1348 RT2860_SOFTC_RX_RING_DATA_COUNT);
1349 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1350 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1351
1352 /* wait while DMA engine is busy */
1353
1354 for (ntries = 0; ntries < 100; ntries++)
1355 {
1356 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1357 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1358 break;
1359
1360 DELAY(1000);
1361 }
1362
1363 if (ntries == 100)
1364 {
1365 printf("%s: timeout waiting for DMA engine\n",
1366 device_get_nameunit(sc->dev));
1367 goto fail;
1368 }
1369
1370 tmp &= 0xff0;
1371 tmp |= RT2860_REG_TX_WB_DDONE;
1372
1373 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1374
1375 /* disable interrupts mitigation */
1376
1377 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1378
1379 /* send LEDs operating mode to microcontroller */
1380
1381 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1382 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1383 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1384 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1385 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1386 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1387
1388 /* turn radio LED on */
1389
1390 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1391
1392 /* write vendor-specific BBP values (from EEPROM) */
1393
1394 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1395 {
1396 if (sc->bbp_eeprom[i].reg == 0x00 ||
1397 sc->bbp_eeprom[i].reg == 0xff)
1398 continue;
1399
1400 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1401 sc->bbp_eeprom[i].val);
1402 }
1403
1404 /*
1405 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1406 if (tmp & (1 << 2))
1407 {
1408 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1409 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1410 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1411
1412 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1413 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1414 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1415 }
1416 */
1417
1418 /* disable non-existing Rx chains */
1419
1420 tmp = rt2860_io_bbp_read(sc, 3);
1421
1422 tmp &= ~((1 << 4) | (1 << 3));
1423
1424 if (sc->nrxpath == 3)
1425 tmp |= (1 << 4);
1426 else if (sc->nrxpath == 2)
1427 tmp |= (1 << 3);
1428
1429 rt2860_io_bbp_write(sc, 3, tmp);
1430
1431 /* disable non-existing Tx chains */
1432
1433 tmp = rt2860_io_bbp_read(sc, 1);
1434
1435 tmp &= ~((1 << 4) | (1 << 3));
1436
1437 if (sc->ntxpath == 2)
1438 tmp |= (1 << 4);
1439
1440 rt2860_io_bbp_write(sc, 1, tmp);
1441
1442 /* set current channel */
1443
1444 rt2860_rf_set_chan(sc, ic->ic_curchan);
1445
1446 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1447 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1448 (48 << 16) | 96);
1449
1450 if ((sc->mac_rev & 0xffff) != 0x0101)
1451 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1452
1453 /* clear pending interrupts */
1454
1455 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1456
1457 /* enable interrupts */
1458
1459 tmp = RT2860_REG_INT_TX_COHERENT |
1460 RT2860_REG_INT_RX_COHERENT |
1461 RT2860_REG_INT_GP_TIMER |
1462 RT2860_REG_INT_AUTO_WAKEUP |
1463 RT2860_REG_INT_FIFO_STA_FULL |
1464 /*
1465 RT2860_REG_INT_PRE_TBTT |
1466 RT2860_REG_INT_TBTT |
1467 */
1468 RT2860_REG_INT_TXRX_COHERENT |
1469 RT2860_REG_INT_MCU_CMD |
1470 RT2860_REG_INT_TX_MGMT_DONE |
1471 RT2860_REG_INT_TX_HCCA_DONE |
1472 RT2860_REG_INT_TX_AC3_DONE |
1473 RT2860_REG_INT_TX_AC2_DONE |
1474 RT2860_REG_INT_TX_AC1_DONE |
1475 RT2860_REG_INT_TX_AC0_DONE |
1476 RT2860_REG_INT_RX_DONE;
1477
1478 sc->intr_enable_mask = tmp;
1479
1480 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1481
1482 if (rt2860_txrx_enable(sc) != 0)
1483 goto fail;
1484
1485 /* clear garbage interrupts */
1486
1487 tmp = rt2860_io_mac_read(sc, 0x1300);
1488
1489 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1490 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1491
1492 sc->periodic_round = 0;
1493
1494 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1495
1496 return;
1497
1498 fail:
1499
1500 rt2860_stop_locked(sc);
1501 }
1502
1503 /*
1504 * rt2860_init
1505 */
1506 static void rt2860_init(void *priv)
1507 {
1508 struct rt2860_softc *sc;
1509
1510 sc = priv;
1511
1512 RT2860_SOFTC_LOCK(sc);
1513
1514 rt2860_init_locked(sc);
1515
1516 RT2860_SOFTC_UNLOCK(sc);
1517 }
1518
1519 /*
1520 * rt2860_init_bbp
1521 */
1522 static int rt2860_init_bbp(struct rt2860_softc *sc)
1523 {
1524 int ntries, i;
1525 uint8_t tmp;
1526
1527 for (ntries = 0; ntries < 20; ntries++)
1528 {
1529 tmp = rt2860_io_bbp_read(sc, 0);
1530 if (tmp != 0x00 && tmp != 0xff)
1531 break;
1532 }
1533
1534 if (tmp == 0x00 || tmp == 0xff)
1535 {
1536 printf("%s: timeout waiting for BBP to wakeup\n",
1537 device_get_nameunit(sc->dev));
1538 return ETIMEDOUT;
1539 }
1540
1541 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1542 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1543 rt2860_def_bbp[i].val);
1544
1545 if ((sc->mac_rev & 0xffff) != 0x0101)
1546 rt2860_io_bbp_write(sc, 84, 0x19);
1547
1548 if (sc->mac_rev == 0x28600100)
1549 {
1550 rt2860_io_bbp_write(sc, 69, 0x16);
1551 rt2860_io_bbp_write(sc, 73, 0x12);
1552 }
1553
1554 return 0;
1555 }
1556
1557 /*
1558 * rt2860_stop_locked
1559 */
1560 static void rt2860_stop_locked(void *priv)
1561 {
1562 struct rt2860_softc *sc;
1563 struct ifnet *ifp;
1564 struct ieee80211com *ic;
1565 uint32_t tmp;
1566
1567 sc = priv;
1568 ifp = sc->ifp;
1569 ic = ifp->if_l2com;
1570
1571 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1572 "%s: stopping\n",
1573 device_get_nameunit(sc->dev));
1574
1575 RT2860_SOFTC_ASSERT_LOCKED(sc);
1576
1577 sc->tx_timer = 0;
1578
1579 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1580 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1581
1582 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1583
1584 callout_stop(&sc->periodic_ch);
1585 callout_stop(&sc->tx_watchdog_ch);
1586
1587 RT2860_SOFTC_UNLOCK(sc);
1588
1589 taskqueue_block(sc->taskqueue);
1590
1591 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1592 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1593 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1594 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1595
1596 RT2860_SOFTC_LOCK(sc);
1597
1598 /* clear key tables */
1599
1600 rt2860_asic_clear_keytables(sc);
1601
1602 /* disable interrupts */
1603
1604 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1605
1606 /* disable Tx/Rx */
1607
1608 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1609
1610 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1611
1612 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1613
1614 /* reset adapter */
1615
1616 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1617 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1618 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1619 }
1620
1621 /*
1622 * rt2860_stop
1623 */
1624 static void rt2860_stop(void *priv)
1625 {
1626 struct rt2860_softc *sc;
1627
1628 sc = priv;
1629
1630 RT2860_SOFTC_LOCK(sc);
1631
1632 rt2860_stop_locked(sc);
1633
1634 RT2860_SOFTC_UNLOCK(sc);
1635 }
1636
1637 /*
1638 * rt2860_start
1639 */
1640 static void rt2860_start(struct ifnet *ifp)
1641 {
1642 struct rt2860_softc *sc;
1643 struct ieee80211_node *ni;
1644 struct mbuf *m;
1645 int qid;
1646
1647 sc = ifp->if_softc;
1648
1649 RT2860_SOFTC_LOCK(sc);
1650
1651 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1652 {
1653 RT2860_SOFTC_UNLOCK(sc);
1654 return;
1655 }
1656
1657 for (;;)
1658 {
1659 IF_POLL(&ifp->if_snd, m);
1660 if (m == NULL)
1661 break;
1662
1663 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1664
1665 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1666
1667 qid = M_WME_GETAC(m);
1668
1669 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1670 {
1671 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1672 "%s: if_start: Tx ring with qid=%d is full\n",
1673 device_get_nameunit(sc->dev), qid);
1674
1675 m_freem(m);
1676 ieee80211_free_node(ni);
1677
1678 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1679 ifp->if_oerrors++;
1680
1681 sc->tx_data_queue_full[qid]++;
1682
1683 break;
1684 }
1685
1686 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1687 {
1688 ieee80211_free_node(ni);
1689
1690 ifp->if_oerrors++;
1691
1692 break;
1693 }
1694
1695 rt2860_drain_fifo_stats(sc);
1696
1697 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1698
1699 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1700 }
1701
1702 RT2860_SOFTC_UNLOCK(sc);
1703 }
1704
1705 /*
1706 * rt2860_ioctl
1707 */
1708 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1709 {
1710 struct rt2860_softc *sc;
1711 struct ieee80211com *ic;
1712 struct ifreq *ifr;
1713 int error, startall;
1714
1715 sc = ifp->if_softc;
1716 ic = ifp->if_l2com;
1717 ifr = (struct ifreq *) data;
1718
1719 error = 0;
1720
1721 switch (cmd)
1722 {
1723 case SIOCSIFFLAGS:
1724 startall = 0;
1725
1726 RT2860_SOFTC_LOCK(sc);
1727
1728 if (ifp->if_flags & IFF_UP)
1729 {
1730 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1731 {
1732 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1733 rt2860_asic_update_promisc(sc);
1734 }
1735 else
1736 {
1737 rt2860_init_locked(sc);
1738 startall = 1;
1739 }
1740 }
1741 else
1742 {
1743 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1744 rt2860_stop_locked(sc);
1745 }
1746
1747 sc->if_flags = ifp->if_flags;
1748
1749 RT2860_SOFTC_UNLOCK(sc);
1750
1751 if (startall)
1752 ieee80211_start_all(ic);
1753 break;
1754
1755 case SIOCGIFMEDIA:
1756 case SIOCSIFMEDIA:
1757 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1758 break;
1759
1760 case SIOCGIFADDR:
1761 error = ether_ioctl(ifp, cmd, data);
1762 break;
1763
1764 default:
1765 error = EINVAL;
1766 break;
1767 }
1768
1769 return error;
1770 }
1771
1772 /*
1773 * rt2860_vap_create
1774 */
1775 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1776 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1777 const uint8_t bssid[IEEE80211_ADDR_LEN],
1778 const uint8_t mac[IEEE80211_ADDR_LEN])
1779 {
1780 struct rt2860_softc *sc;
1781 struct ifnet *ifp;
1782 struct rt2860_softc_vap *rvap;
1783 struct ieee80211vap *vap;
1784
1785 ifp = ic->ic_ifp;
1786 sc = ifp->if_softc;
1787
1788 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1789 "%s: VAP create: opmode=%s\n",
1790 device_get_nameunit(sc->dev),
1791 ieee80211_opmode_name[opmode]);
1792
1793 switch (opmode)
1794 {
1795 case IEEE80211_M_MONITOR:
1796 case IEEE80211_M_IBSS:
1797 case IEEE80211_M_STA:
1798 case IEEE80211_M_AHDEMO:
1799 case IEEE80211_M_HOSTAP:
1800 case IEEE80211_M_MBSS:
1801 if (!TAILQ_EMPTY(&ic->ic_vaps))
1802 {
1803 if_printf(ifp, "only 1 VAP supported\n");
1804 return NULL;
1805 }
1806
1807 if (opmode == IEEE80211_M_STA)
1808 flags |= IEEE80211_CLONE_NOBEACONS;
1809 break;
1810
1811 case IEEE80211_M_WDS:
1812 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1813 {
1814 if_printf(ifp, "WDS only supported in AP mode\n");
1815 return NULL;
1816 }
1817
1818 flags &= ~IEEE80211_CLONE_BSSID;
1819 break;
1820
1821 default:
1822 if_printf(ifp, "unknown opmode %d\n", opmode);
1823 return NULL;
1824 }
1825
1826 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1827 M_80211_VAP, M_NOWAIT | M_ZERO);
1828 if (rvap == NULL)
1829 return NULL;
1830
1831 vap = &rvap->vap;
1832
1833 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1834
1835 rvap->newstate = vap->iv_newstate;
1836 vap->iv_newstate = rt2860_vap_newstate;
1837
1838 vap->iv_reset = rt2860_vap_reset;
1839 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1840 vap->iv_key_update_end = rt2860_vap_key_update_end;
1841 vap->iv_key_set = rt2860_vap_key_set;
1842 vap->iv_key_delete = rt2860_vap_key_delete;
1843 vap->iv_update_beacon = rt2860_vap_update_beacon;
1844
1845 rt2860_amrr_init(&rvap->amrr, vap,
1846 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1847 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1848 500);
1849
1850 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1851
1852 ic->ic_opmode = opmode;
1853
1854 return vap;
1855 }
1856
1857 /*
1858 * rt2860_vap_delete
1859 */
1860 static void rt2860_vap_delete(struct ieee80211vap *vap)
1861 {
1862 struct rt2860_softc *sc;
1863 struct ieee80211com *ic;
1864 struct ifnet *ifp;
1865 struct rt2860_softc_vap *rvap;
1866
1867 ic = vap->iv_ic;
1868 ifp = ic->ic_ifp;
1869 sc = ifp->if_softc;
1870 rvap = (struct rt2860_softc_vap *) vap;
1871
1872 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1873 "%s: VAP delete: opmode=%s\n",
1874 device_get_nameunit(sc->dev),
1875 ieee80211_opmode_name[vap->iv_opmode]);
1876
1877 rt2860_amrr_cleanup(&rvap->amrr);
1878
1879 ieee80211_vap_detach(vap);
1880
1881 free(rvap, M_80211_VAP);
1882 }
1883
1884 /*
1885 * rt2860_reset_vap
1886 */
1887 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1888 {
1889 struct rt2860_softc *sc;
1890 struct ieee80211com *ic;
1891 struct ifnet *ifp;
1892 struct rt2860_softc_vap *rvap;
1893 int error;
1894
1895 ic = vap->iv_ic;
1896 ifp = ic->ic_ifp;
1897 sc = ifp->if_softc;
1898 rvap = (struct rt2860_softc_vap *) vap;
1899
1900 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1901 "%s: VAP reset: cmd=%lu\n",
1902 device_get_nameunit(sc->dev), cmd);
1903
1904 error = 0;
1905
1906 switch (cmd)
1907 {
1908 case IEEE80211_IOC_RTSTHRESHOLD:
1909 rt2860_asic_update_rtsthreshold(sc);
1910 break;
1911
1912 case IEEE80211_IOC_PROTMODE:
1913 case IEEE80211_IOC_HTPROTMODE:
1914 rt2860_asic_updateprot(sc);
1915 break;
1916
1917 case IEEE80211_IOC_TXPOWER:
1918 rt2860_asic_update_txpower(sc);
1919 break;
1920
1921 case IEEE80211_IOC_SHORTGI:
1922 case IEEE80211_IOC_AMPDU_DENSITY:
1923 break;
1924
1925 default:
1926 error = ENETRESET;
1927 break;
1928 }
1929
1930 return error;
1931 }
1932
1933 /*
1934 * rt2860_vap_newstate
1935 */
1936 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1937 enum ieee80211_state nstate, int arg)
1938 {
1939 struct rt2860_softc *sc;
1940 struct ieee80211com *ic;
1941 struct ifnet *ifp;
1942 struct rt2860_softc_vap *rvap;
1943 struct ieee80211_node *ni;
1944 enum ieee80211_state ostate;
1945 int error;
1946
1947 ic = vap->iv_ic;
1948 ifp = ic->ic_ifp;
1949 sc = ifp->if_softc;
1950 rvap = (struct rt2860_softc_vap *) vap;
1951
1952 ostate = vap->iv_state;
1953
1954 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1955 "%s: VAP newstate: %s -> %s\n",
1956 device_get_nameunit(sc->dev),
1957 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1958
1959 error = rvap->newstate(vap, nstate, arg);
1960 if (error != 0)
1961 return error;
1962
1963 IEEE80211_UNLOCK(ic);
1964
1965 RT2860_SOFTC_LOCK(sc);
1966
1967 /* turn link LED off */
1968
1969 if (nstate != IEEE80211_S_RUN)
1970 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1971
1972 switch (nstate)
1973 {
1974 case IEEE80211_S_INIT:
1975 rt2860_asic_disable_tsf_sync(sc);
1976 break;
1977
1978 case IEEE80211_S_RUN:
1979 ni = vap->iv_bss;
1980
1981 rt2860_rf_set_chan(sc, ni->ni_chan);
1982
1983 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1984 {
1985 rt2860_asic_enable_mrr(sc);
1986 rt2860_asic_set_txpreamble(sc);
1987 rt2860_asic_set_basicrates(sc);
1988 rt2860_asic_update_txpower(sc);
1989 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1990 }
1991
1992 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1993 vap->iv_opmode == IEEE80211_M_IBSS ||
1994 vap->iv_opmode == IEEE80211_M_MBSS)
1995 {
1996 error = rt2860_asic_update_beacon(sc, vap);
1997 if (error != 0)
1998 break;
1999 }
2000
2001 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2002 rt2860_asic_enable_tsf_sync(sc);
2003
2004 /* turn link LED on */
2005
2006 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2007 {
2008 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2009 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2010 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2011 }
2012 break;
2013
2014 default:
2015 break;
2016 }
2017
2018 RT2860_SOFTC_UNLOCK(sc);
2019
2020 IEEE80211_LOCK(ic);
2021
2022 return error;
2023 }
2024
2025 /*
2026 * rt2860_vap_key_update_begin
2027 */
2028 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2029 {
2030 struct rt2860_softc *sc;
2031 struct ieee80211com *ic;
2032 struct ifnet *ifp;
2033
2034 ic = vap->iv_ic;
2035 ifp = ic->ic_ifp;
2036 sc = ifp->if_softc;
2037
2038 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2039 "%s: VAP key update begin\n",
2040 device_get_nameunit(sc->dev));
2041
2042 taskqueue_block(sc->taskqueue);
2043
2044 IF_LOCK(&ifp->if_snd);
2045 }
2046
2047 /*
2048 * rt2860_vap_key_update_end
2049 */
2050 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2051 {
2052 struct rt2860_softc *sc;
2053 struct ieee80211com *ic;
2054 struct ifnet *ifp;
2055
2056 ic = vap->iv_ic;
2057 ifp = ic->ic_ifp;
2058 sc = ifp->if_softc;
2059
2060 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2061 "%s: VAP key update end\n",
2062 device_get_nameunit(sc->dev));
2063
2064 IF_UNLOCK(&ifp->if_snd);
2065
2066 taskqueue_unblock(sc->taskqueue);
2067 }
2068
2069 /*
2070 * rt2860_vap_key_set
2071 */
2072 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2073 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2074 {
2075 struct rt2860_softc *sc;
2076 struct ieee80211com *ic;
2077 struct ifnet *ifp;
2078 struct ieee80211_node *ni;
2079 uint16_t associd, key_base, keymode_base;
2080 uint8_t mode, vapid, wcid, iv[8];
2081 uint32_t tmp;
2082
2083 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2084 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2085 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2086 return EINVAL;
2087
2088 ic = vap->iv_ic;
2089 ifp = ic->ic_ifp;
2090 sc = ifp->if_softc;
2091
2092 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2093 ni = vap->iv_bss;
2094 else
2095 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2096
2097 associd = (ni != NULL) ? ni->ni_associd : 0;
2098
2099 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2100 ieee80211_free_node(ni);
2101
2102 switch (k->wk_cipher->ic_cipher)
2103 {
2104 case IEEE80211_CIPHER_WEP:
2105 if(k->wk_keylen < 8)
2106 mode = RT2860_REG_CIPHER_MODE_WEP40;
2107 else
2108 mode = RT2860_REG_CIPHER_MODE_WEP104;
2109 break;
2110
2111 case IEEE80211_CIPHER_TKIP:
2112 mode = RT2860_REG_CIPHER_MODE_TKIP;
2113 break;
2114
2115 case IEEE80211_CIPHER_AES_CCM:
2116 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2117 break;
2118
2119 default:
2120 return EINVAL;
2121 }
2122
2123 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2124 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2125 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2126 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2127
2128 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2129 {
2130 /* install pairwise key */
2131
2132 vapid = 0;
2133 wcid = RT2860_AID2WCID(associd);
2134 key_base = RT2860_REG_PKEY(wcid);
2135
2136 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2137 {
2138 memset(iv, 0, 8);
2139
2140 iv[3] = (k->wk_keyix << 6);
2141 }
2142 else
2143 {
2144 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2145 {
2146 iv[0] = (k->wk_keytsc >> 8);
2147 iv[1] = ((iv[0] | 0x20) & 0x7f);
2148 iv[2] = k->wk_keytsc;
2149 }
2150 else
2151 {
2152 /* AES CCMP */
2153
2154 iv[0] = k->wk_keytsc;
2155 iv[1] = k->wk_keytsc >> 8;
2156 iv[2] = 0;
2157 }
2158
2159 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2160 iv[4] = (k->wk_keytsc >> 16);
2161 iv[5] = (k->wk_keytsc >> 24);
2162 iv[6] = (k->wk_keytsc >> 32);
2163 iv[7] = (k->wk_keytsc >> 40);
2164
2165 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2166 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2167 device_get_nameunit(sc->dev),
2168 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2169 }
2170
2171 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2172
2173 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2174 {
2175 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2176
2177 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2178 {
2179 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2180 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2181 }
2182 else
2183 {
2184 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2185 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2186 }
2187 }
2188 else
2189 {
2190 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2191 }
2192
2193 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2194 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2195
2196 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2197 }
2198
2199 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2200 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2201 {
2202 /* install group key */
2203
2204 vapid = 0;
2205 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2206 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2207
2208 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2209 {
2210 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2211
2212 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2213 {
2214 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2215 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2216 }
2217 else
2218 {
2219 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2220 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2221 }
2222 }
2223 else
2224 {
2225 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2226 }
2227
2228 tmp = rt2860_io_mac_read(sc, keymode_base);
2229
2230 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2231 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2232
2233 rt2860_io_mac_write(sc, keymode_base, tmp);
2234 }
2235
2236 return 1;
2237 }
2238
2239 /*
2240 * rt2860_vap_key_delete
2241 */
2242 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2243 const struct ieee80211_key *k)
2244 {
2245 struct rt2860_softc *sc;
2246 struct ieee80211com *ic;
2247 struct ifnet *ifp;
2248 struct ieee80211_node *ni;
2249 uint16_t associd;
2250 uint8_t vapid, wcid;
2251 uint32_t tmp;
2252
2253 ic = vap->iv_ic;
2254 ifp = ic->ic_ifp;
2255 sc = ifp->if_softc;
2256 ni = vap->iv_bss;
2257 associd = (ni != NULL) ? ni->ni_associd : 0;
2258
2259 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2260 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2261 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2262 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2263
2264 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2265 {
2266 /* remove pairwise key */
2267
2268 vapid = 0;
2269 wcid = RT2860_AID2WCID(associd);
2270
2271 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2272 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2273
2274 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2275 }
2276 else
2277 {
2278 /* remove group key */
2279
2280 vapid = 0;
2281
2282 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2283
2284 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2285 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2286
2287 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2288 }
2289
2290 return 1;
2291 }
2292
2293 /*
2294 * rt2860_vap_update_beacon
2295 */
2296 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2297 {
2298 struct rt2860_softc *sc;
2299 struct ieee80211com *ic;
2300 struct ifnet *ifp;
2301
2302 ic = vap->iv_ic;
2303 ifp = ic->ic_ifp;
2304 sc = ifp->if_softc;
2305
2306 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2307 "%s: VAP update beacon\n",
2308 device_get_nameunit(sc->dev));
2309
2310 rt2860_asic_update_beacon(sc, vap);
2311 }
2312
2313 /*
2314 * rt2860_media_change
2315 */
2316 static int rt2860_media_change(struct ifnet *ifp)
2317 {
2318 int error;
2319
2320 error = ieee80211_media_change(ifp);
2321
2322 return (error == ENETRESET ? 0 : error);
2323 }
2324
2325 /*
2326 * rt2860_node_alloc
2327 */
2328 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2329 const uint8_t mac[IEEE80211_ADDR_LEN])
2330 {
2331 return malloc(sizeof(struct rt2860_softc_node),
2332 M_80211_NODE, M_NOWAIT | M_ZERO);
2333 }
2334
2335 /*
2336 * rt2860_setregdomain
2337 */
2338 static int rt2860_setregdomain(struct ieee80211com *ic,
2339 struct ieee80211_regdomain *reg,
2340 int nchans, struct ieee80211_channel chans[])
2341 {
2342 struct rt2860_softc *sc;
2343 struct ifnet *ifp;
2344
2345 ifp = ic->ic_ifp;
2346 sc = ifp->if_softc;
2347
2348 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2349 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2350 device_get_nameunit(sc->dev),
2351 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2352
2353 return 0;
2354 }
2355
2356 /*
2357 * rt2860_getradiocaps
2358 */
2359 static void rt2860_getradiocaps(struct ieee80211com *ic,
2360 int maxchans, int *nchans, struct ieee80211_channel chans[])
2361 {
2362 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2363
2364 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2365 }
2366
2367 /*
2368 * rt2860_scan_start
2369 */
2370 static void rt2860_scan_start(struct ieee80211com *ic)
2371 {
2372 struct rt2860_softc *sc;
2373 struct ifnet *ifp;
2374
2375 ifp = ic->ic_ifp;
2376 sc = ifp->if_softc;
2377
2378 rt2860_asic_disable_tsf_sync(sc);
2379 }
2380
2381 /*
2382 * rt2860_scan_end
2383 */
2384 static void rt2860_scan_end(struct ieee80211com *ic)
2385 {
2386 struct rt2860_softc *sc;
2387 struct ifnet *ifp;
2388
2389 ifp = ic->ic_ifp;
2390 sc = ifp->if_softc;
2391
2392 rt2860_asic_enable_tsf_sync(sc);
2393 }
2394
2395 /*
2396 * rt2860_set_channel
2397 */
2398 static void rt2860_set_channel(struct ieee80211com *ic)
2399 {
2400 struct rt2860_softc *sc;
2401 struct ifnet *ifp;
2402
2403 ifp = ic->ic_ifp;
2404 sc = ifp->if_softc;
2405
2406 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2407 "%s: set channel: channel=%u, HT%s%s\n",
2408 device_get_nameunit(sc->dev),
2409 ieee80211_chan2ieee(ic, ic->ic_curchan),
2410 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2411 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2412 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2413 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2414
2415 RT2860_SOFTC_LOCK(sc);
2416
2417 rt2860_rf_set_chan(sc, ic->ic_curchan);
2418
2419 RT2860_SOFTC_UNLOCK(sc);
2420 }
2421
2422 /*
2423 * rt2860_newassoc
2424 */
2425 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2426 {
2427 struct rt2860_softc *sc;
2428 struct ieee80211com *ic;
2429 struct ifnet *ifp;
2430 struct ieee80211vap *vap;
2431 struct rt2860_softc_vap *rvap;
2432 uint16_t associd;
2433 uint8_t wcid;
2434
2435 vap = ni->ni_vap;
2436 ic = vap->iv_ic;
2437 ifp = ic->ic_ifp;
2438 sc = ifp->if_softc;
2439 rvap = (struct rt2860_softc_vap *) vap;
2440
2441 associd = (ni != NULL) ? ni->ni_associd : 0;
2442 wcid = RT2860_AID2WCID(associd);
2443
2444 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2445 "%s: new association: wcid=0x%02x, "
2446 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2447 device_get_nameunit(sc->dev), wcid,
2448 ether_sprintf(ni->ni_macaddr),
2449 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2450 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2451 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2452
2453 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2454 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2455
2456 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2457
2458 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2459 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2460 device_get_nameunit(sc->dev),
2461 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2462 ni->ni_associd, ni->ni_txrate,
2463 (ni->ni_flags & IEEE80211_NODE_HT) ?
2464 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2465 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2466
2467 rt2860_asic_updateprot(sc);
2468 rt2860_asic_updateslot(sc);
2469 rt2860_asic_set_txpreamble(sc);
2470 }
2471
2472 /*
2473 * rt2860_updateslot
2474 */
2475 static void rt2860_updateslot(struct ifnet *ifp)
2476 {
2477 struct rt2860_softc *sc;
2478
2479 sc = ifp->if_softc;
2480
2481 rt2860_asic_updateslot(sc);
2482 }
2483
2484 /*
2485 * rt2860_update_promisc
2486 */
2487 static void rt2860_update_promisc(struct ifnet *ifp)
2488 {
2489 struct rt2860_softc *sc;
2490
2491 sc = ifp->if_softc;
2492
2493 rt2860_asic_update_promisc(sc);
2494 }
2495
2496 /*
2497 * rt2860_update_mcast
2498 */
2499 static void rt2860_update_mcast(struct ifnet *ifp)
2500 {
2501 struct rt2860_softc *sc;
2502
2503 sc = ifp->if_softc;
2504 }
2505
2506 /*
2507 * rt2860_wme_update
2508 */
2509 static int rt2860_wme_update(struct ieee80211com *ic)
2510 {
2511 struct rt2860_softc *sc;
2512 struct ifnet *ifp;
2513
2514 ifp = ic->ic_ifp;
2515 sc = ifp->if_softc;
2516
2517 rt2860_asic_wme_update(sc);
2518
2519 return 0;
2520 }
2521
2522 /*
2523 * rt2860_raw_xmit
2524 */
2525 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2526 const struct ieee80211_bpf_params *params)
2527 {
2528 struct rt2860_softc *sc;
2529 struct ieee80211com *ic;
2530 struct ifnet *ifp;
2531
2532 ic = ni->ni_ic;
2533 ifp = ic->ic_ifp;
2534 sc = ifp->if_softc;
2535
2536 RT2860_SOFTC_LOCK(sc);
2537
2538 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2539 {
2540 RT2860_SOFTC_UNLOCK(sc);
2541
2542 m_freem(m);
2543 ieee80211_free_node(ni);
2544
2545 return ENETDOWN;
2546 }
2547
2548 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2549 {
2550 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2551 "%s: raw xmit: Tx ring with qid=%d is full\n",
2552 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2553
2554 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2555
2556 RT2860_SOFTC_UNLOCK(sc);
2557
2558 m_freem(m);
2559 ieee80211_free_node(ni);
2560
2561 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2562
2563 return ENOBUFS;
2564 }
2565
2566 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2567 {
2568 ifp->if_oerrors++;
2569
2570 RT2860_SOFTC_UNLOCK(sc);
2571
2572 ieee80211_free_node(ni);
2573
2574 return EIO;
2575 }
2576
2577 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2578
2579 RT2860_SOFTC_UNLOCK(sc);
2580
2581 return 0;
2582 }
2583
2584 /*
2585 * rt2860_recv_action
2586 */
2587 static int rt2860_recv_action(struct ieee80211_node *ni,
2588 const struct ieee80211_frame *wh,
2589 const uint8_t *frm, const uint8_t *efrm)
2590 {
2591 struct rt2860_softc *sc;
2592 struct ieee80211com *ic;
2593 struct ifnet *ifp;
2594 const struct ieee80211_action *ia;
2595 uint16_t associd, status, baparamset;
2596 uint8_t wcid;
2597 int ret, tid, bufsize;
2598 uint32_t tmp;
2599
2600 ic = ni->ni_ic;
2601 ifp = ic->ic_ifp;
2602 sc = ifp->if_softc;
2603
2604 ia = (const struct ieee80211_action *) frm;
2605
2606 ret = sc->recv_action(ni, wh, frm, efrm);
2607
2608 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2609 return ret;
2610
2611 associd = (ni != NULL) ? ni->ni_associd : 0;
2612 wcid = RT2860_AID2WCID(associd);
2613
2614 switch (ia->ia_action)
2615 {
2616 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2617 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2618 baparamset = LE_READ_2(frm + 3);
2619 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2620 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2621
2622 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2623 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2624 device_get_nameunit(sc->dev), associd, tid, bufsize);
2625
2626 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2627
2628 tmp |= (0x10000 << tid);
2629
2630 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2631 break;
2632
2633 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2634 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2635 status = LE_READ_2(frm + 3);
2636 baparamset = LE_READ_2(frm + 4);
2637 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2638 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2639
2640 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2641 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2642 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2643
2644 if (status == IEEE80211_STATUS_SUCCESS)
2645 {
2646 sc->tx_ampdu_sessions++;
2647
2648 rt2860_asic_updateprot(sc);
2649 }
2650 break;
2651
2652 /* IEEE80211_ACTION_BA_DELBA */
2653 case IEEE80211_ACTION_BA_DELBA:
2654 baparamset = LE_READ_2(frm + 2);
2655 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2656
2657 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2658 "%s: received DELBA request: 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_send_action
2674 */
2675 static int rt2860_send_action(struct ieee80211_node *ni,
2676 int cat, int act, void *sa)
2677 {
2678 struct rt2860_softc *sc;
2679 struct ieee80211com *ic;
2680 struct ifnet *ifp;
2681 uint16_t associd, *args, baparamset;
2682 uint8_t wcid;
2683 int ret, tid;
2684 uint32_t tmp;
2685
2686 ic = ni->ni_ic;
2687 ifp = ic->ic_ifp;
2688 sc = ifp->if_softc;
2689
2690 ret = sc->send_action(ni, cat, act, sa);
2691
2692 if (cat != IEEE80211_ACTION_CAT_BA)
2693 return ret;
2694
2695 associd = (ni != NULL) ? ni->ni_associd : 0;
2696 wcid = RT2860_AID2WCID(associd);
2697 args = sa;
2698
2699 switch (act)
2700 {
2701 /* IEEE80211_ACTION_BA_DELBA */
2702 case IEEE80211_ACTION_BA_DELBA:
2703 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2704
2705 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2706
2707 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2708 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2709 device_get_nameunit(sc->dev), associd, tid);
2710
2711 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2712 {
2713 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2714
2715 tmp &= ~(0x10000 << tid);
2716
2717 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2718 }
2719 else
2720 {
2721 sc->tx_ampdu_sessions--;
2722
2723 rt2860_asic_updateprot(sc);
2724 }
2725 break;
2726 }
2727
2728 return ret;
2729 }
2730
2731 /*
2732 * rt2860_amrr_update_iter_func
2733 */
2734 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2735 {
2736 struct rt2860_softc *sc;
2737 struct ieee80211com *ic;
2738 struct ifnet *ifp;
2739 struct ieee80211vap *vap;
2740 struct rt2860_softc_vap *rvap;
2741 uint8_t wcid;
2742
2743 vap = arg;
2744 ic = vap->iv_ic;
2745 ifp = ic->ic_ifp;
2746 sc = ifp->if_softc;
2747 rvap = (struct rt2860_softc_vap *) vap;
2748
2749 /* only associated stations */
2750
2751 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2752 {
2753 wcid = RT2860_AID2WCID(ni->ni_associd);
2754
2755 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2756 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2757 device_get_nameunit(sc->dev),
2758 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2759
2760 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2761
2762 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2763 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2764 device_get_nameunit(sc->dev),
2765 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2766 ni->ni_associd, ni->ni_txrate,
2767 (ni->ni_flags & IEEE80211_NODE_HT) ?
2768 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2769 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2770 }
2771 }
2772
2773 /*
2774 * rt2860_periodic
2775 */
2776 static void rt2860_periodic(void *arg)
2777 {
2778 struct rt2860_softc *sc;
2779
2780 sc = arg;
2781
2782 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2783 "%s: periodic\n",
2784 device_get_nameunit(sc->dev));
2785
2786 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2787 }
2788
2789 /*
2790 * rt2860_tx_watchdog
2791 */
2792 static void rt2860_tx_watchdog(void *arg)
2793 {
2794 struct rt2860_softc *sc;
2795 struct ifnet *ifp;
2796
2797 sc = arg;
2798 ifp = sc->ifp;
2799
2800 if (sc->tx_timer == 0)
2801 return;
2802
2803 if (--sc->tx_timer == 0)
2804 {
2805 printf("%s: Tx watchdog timeout: resetting\n",
2806 device_get_nameunit(sc->dev));
2807
2808 rt2860_stop_locked(sc);
2809 rt2860_init_locked(sc);
2810
2811 ifp->if_oerrors++;
2812
2813 sc->tx_watchdog_timeouts++;
2814 }
2815
2816 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2817 }
2818
2819 /*
2820 * rt2860_asic_set_bssid
2821 */
2822 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2823 const uint8_t *bssid)
2824 {
2825 uint32_t tmp;
2826
2827 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2828 "%s: set bssid: bssid=%s\n",
2829 device_get_nameunit(sc->dev),
2830 ether_sprintf(bssid));
2831
2832 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2833
2834 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2835
2836 tmp = bssid[4] | (bssid[5] << 8);
2837
2838 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2839 }
2840
2841 /*
2842 * rt2860_asic_set_macaddr
2843 */
2844 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2845 const uint8_t *addr)
2846 {
2847 uint32_t tmp;
2848
2849 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2850
2851 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2852
2853 tmp = addr[4] | (addr[5] << 8);
2854
2855 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2856 }
2857
2858 /*
2859 * rt2860_asic_enable_tsf_sync
2860 */
2861 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2862 {
2863 struct ifnet *ifp;
2864 struct ieee80211com *ic;
2865 struct ieee80211vap *vap;
2866 uint32_t tmp;
2867
2868 ifp = sc->ifp;
2869 ic = ifp->if_l2com;
2870 vap = TAILQ_FIRST(&ic->ic_vaps);
2871
2872 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2873 "%s: enabling TSF\n",
2874 device_get_nameunit(sc->dev));
2875
2876 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2877
2878 tmp &= ~0x1fffff;
2879 tmp |= vap->iv_bss->ni_intval * 16;
2880 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2881
2882 if (vap->iv_opmode == IEEE80211_M_STA)
2883 {
2884 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2885 }
2886 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2887 {
2888 tmp |= RT2860_REG_BCN_TX_ENABLE;
2889 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2890 }
2891 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2892 {
2893 tmp |= RT2860_REG_BCN_TX_ENABLE;
2894 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2895 }
2896
2897 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2898 }
2899
2900 /*
2901 * rt2860_asic_disable_tsf_sync
2902 */
2903 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2904 {
2905 uint32_t tmp;
2906
2907 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2908 "%s: disabling TSF\n",
2909 device_get_nameunit(sc->dev));
2910
2911 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2912
2913 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2914 RT2860_REG_TSF_TIMER_ENABLE |
2915 RT2860_REG_TBTT_TIMER_ENABLE);
2916
2917 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2918 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2919
2920 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2921 }
2922
2923 /*
2924 * rt2860_asic_enable_mrr
2925 */
2926 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2927 {
2928 #define CCK(mcs) (mcs)
2929 #define OFDM(mcs) ((1 << 3) | (mcs))
2930 #define HT(mcs) (mcs)
2931
2932 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2933 (OFDM(6) << 28) | /* 54 -> 48 */
2934 (OFDM(5) << 24) | /* 48 -> 36 */
2935 (OFDM(4) << 20) | /* 36 -> 24 */
2936 (OFDM(3) << 16) | /* 24 -> 18 */
2937 (OFDM(2) << 12) | /* 18 -> 12 */
2938 (OFDM(1) << 8) | /* 12 -> 9 */
2939 (OFDM(0) << 4) | /* 9 -> 6 */
2940 OFDM(0)); /* 6 -> 6 */
2941
2942 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2943 (CCK(2) << 12) | /* 11 -> 5.5 */
2944 (CCK(1) << 8) | /* 5.5 -> 2 */
2945 (CCK(0) << 4) | /* 2 -> 1 */
2946 CCK(0)); /* 1 -> 1 */
2947
2948 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2949 (HT(6) << 28) |
2950 (HT(5) << 24) |
2951 (HT(4) << 20) |
2952 (HT(3) << 16) |
2953 (HT(2) << 12) |
2954 (HT(1) << 8) |
2955 (HT(0) << 4) |
2956 HT(0));
2957
2958 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2959 (HT(14) << 28) |
2960 (HT(13) << 24) |
2961 (HT(12) << 20) |
2962 (HT(11) << 16) |
2963 (HT(10) << 12) |
2964 (HT(9) << 8) |
2965 (HT(8) << 4) |
2966 HT(8));
2967
2968 #undef HT
2969 #undef OFDM
2970 #undef CCK
2971 }
2972
2973 /*
2974 * rt2860_asic_set_txpreamble
2975 */
2976 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2977 {
2978 struct ifnet *ifp;
2979 struct ieee80211com *ic;
2980 uint32_t tmp;
2981
2982 ifp = sc->ifp;
2983 ic = ifp->if_l2com;
2984
2985 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2986 "%s: %s short Tx preamble\n",
2987 device_get_nameunit(sc->dev),
2988 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2989
2990 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2991
2992 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2993
2994 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2995 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2996
2997 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2998 }
2999
3000 /*
3001 * rt2860_asic_set_basicrates
3002 */
3003 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3004 {
3005 struct ifnet *ifp;
3006 struct ieee80211com *ic;
3007
3008 ifp = sc->ifp;
3009 ic = ifp->if_l2com;
3010
3011 if (ic->ic_curmode == IEEE80211_MODE_11B)
3012 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3013 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3014 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3015 else
3016 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3017 }
3018
3019 /*
3020 * rt2860_asic_update_rtsthreshold
3021 */
3022 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3023 {
3024 struct ifnet *ifp;
3025 struct ieee80211com *ic;
3026 struct ieee80211vap *vap;
3027 uint32_t tmp;
3028 uint16_t threshold;
3029
3030 ifp = sc->ifp;
3031 ic = ifp->if_l2com;
3032 vap = TAILQ_FIRST(&ic->ic_vaps);
3033
3034 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3035 "%s: updating RTS threshold: %d\n",
3036 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3037
3038 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3039
3040 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3041
3042 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
3043 vap->iv_rtsthreshold : 0x1000;
3044
3045 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3046 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3047
3048 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3049 }
3050
3051 /*
3052 * rt2860_asic_update_txpower
3053 */
3054 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3055 {
3056 struct ifnet *ifp;
3057 struct ieee80211com *ic;
3058 uint32_t *txpow_rate;
3059 int8_t delta;
3060 uint8_t val;
3061 uint32_t tmp;
3062 int i;
3063
3064 ifp = sc->ifp;
3065 ic = ifp->if_l2com;
3066
3067 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3068 "%s: updating Tx power: %d\n",
3069 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3070
3071 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3072 {
3073 txpow_rate = sc->txpow_rate_20mhz;
3074 }
3075 else
3076 {
3077 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3078 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3079 else
3080 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3081 }
3082
3083 delta = 0;
3084
3085 val = rt2860_io_bbp_read(sc, 1);
3086 val &= 0xfc;
3087
3088 if (ic->ic_txpowlimit > 90)
3089 {
3090 /* do nothing */
3091 }
3092 else if (ic->ic_txpowlimit > 60)
3093 {
3094 delta -= 1;
3095 }
3096 else if (ic->ic_txpowlimit > 30)
3097 {
3098 delta -= 3;
3099 }
3100 else if (ic->ic_txpowlimit > 15)
3101 {
3102 val |= 0x1;
3103 }
3104 else if (ic->ic_txpowlimit > 9)
3105 {
3106 val |= 0x1;
3107 delta -= 3;
3108 }
3109 else
3110 {
3111 val |= 0x2;
3112 }
3113
3114 rt2860_io_bbp_write(sc, 1, val);
3115
3116 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3117 {
3118 if (txpow_rate[i] == 0xffffffff)
3119 continue;
3120
3121 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3122
3123 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3124 }
3125 }
3126
3127 /*
3128 * rt2860_asic_update_promisc
3129 */
3130 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3131 {
3132 struct ifnet *ifp;
3133 uint32_t tmp;
3134
3135 ifp = sc->ifp;
3136
3137 printf("%s: %s promiscuous mode\n",
3138 device_get_nameunit(sc->dev),
3139 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3140
3141 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3142
3143 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3144
3145 if (!(ifp->if_flags & IFF_PROMISC))
3146 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3147
3148 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3149 }
3150
3151 /*
3152 * rt2860_asic_updateprot
3153 */
3154 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3155 {
3156 struct ifnet *ifp;
3157 struct ieee80211com *ic;
3158 struct ieee80211vap *vap;
3159 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3160 uint8_t htopmode;
3161 enum ieee80211_protmode htprotmode;
3162
3163 ifp = sc->ifp;
3164 ic = ifp->if_l2com;
3165 vap = TAILQ_FIRST(&ic->ic_vaps);
3166
3167 /* CCK frame protection */
3168
3169 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3170 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3171
3172 /* set up protection frame phy mode and rate (MCS code) */
3173
3174 if (ic->ic_curmode == IEEE80211_MODE_11A)
3175 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3176 (0 << RT2860_REG_PROT_MCS_SHIFT);
3177 else
3178 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3179 (3 << RT2860_REG_PROT_MCS_SHIFT));
3180
3181 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3182
3183 /* OFDM frame protection */
3184
3185 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3186 RT2860_REG_TXOP_ALLOW_ALL;
3187
3188 if (ic->ic_flags & IEEE80211_F_USEPROT)
3189 {
3190 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3191 "%s: updating protection mode: b/g protection mode=%s\n",
3192 device_get_nameunit(sc->dev),
3193 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3194 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3195
3196 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3197 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3198 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3199 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3200 else
3201 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3202 }
3203 else
3204 {
3205 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3206 "%s: updating protection mode: b/g protection mode=%s\n",
3207 device_get_nameunit(sc->dev), "none");
3208
3209 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3210 }
3211
3212 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3213
3214 /* HT frame protection */
3215
3216 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3217 htopmode = vap->iv_bss->ni_htopmode;
3218 else
3219 htopmode = ic->ic_curhtprotmode;
3220
3221 htprotmode = ic->ic_htprotmode;
3222
3223 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3224
3225 if (sc->tx_ampdu_sessions > 0)
3226 {
3227 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3228 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3229 device_get_nameunit(sc->dev));
3230
3231 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3232 htprotmode = IEEE80211_PROT_RTSCTS;
3233 }
3234
3235 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3236 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3237 device_get_nameunit(sc->dev),
3238 htopmode & IEEE80211_HTINFO_OPMODE,
3239 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3240 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3241
3242 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3243 {
3244 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3245 case IEEE80211_HTINFO_OPMODE_HT20PR:
3246 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3247 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3248 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3249 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3250 (4 << RT2860_REG_PROT_MCS_SHIFT);
3251
3252 gf20_prot = mm20_prot;
3253
3254 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3255 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3256 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3257
3258 if (htprotmode == IEEE80211_PROT_RTSCTS)
3259 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3260 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3261 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3262 else
3263 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3264
3265 gf40_prot = mm40_prot;
3266 break;
3267
3268 /* IEEE80211_HTINFO_OPMODE_MIXED */
3269 case IEEE80211_HTINFO_OPMODE_MIXED:
3270 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3271 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3272 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3273
3274 if (ic->ic_flags & IEEE80211_F_USEPROT)
3275 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3276 (3 << RT2860_REG_PROT_MCS_SHIFT);
3277 else
3278 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3279 (4 << RT2860_REG_PROT_MCS_SHIFT);
3280
3281 if (htprotmode == IEEE80211_PROT_RTSCTS)
3282 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3283 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3284 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3285 else
3286 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3287
3288 gf20_prot = mm20_prot;
3289
3290 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3291
3292 if (ic->ic_flags & IEEE80211_F_USEPROT)
3293 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3294 (3 << RT2860_REG_PROT_MCS_SHIFT);
3295 else
3296 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3297 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3298
3299 if (htprotmode == IEEE80211_PROT_RTSCTS)
3300 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3301 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3302 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3303 else
3304 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3305
3306 gf40_prot = mm40_prot;
3307 break;
3308
3309 /*
3310 * IEEE80211_HTINFO_OPMODE_PURE
3311 * IEEE80211_HTINFO_OPMODE_PROTOPT
3312 */
3313 case IEEE80211_HTINFO_OPMODE_PURE:
3314 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3315 default:
3316 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3317 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3318 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3319 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3320 (4 << RT2860_REG_PROT_MCS_SHIFT);
3321
3322 gf20_prot = mm20_prot;
3323
3324 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3325 RT2860_REG_TXOP_ALLOW_ALL |
3326 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3327 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3328
3329 gf40_prot = mm40_prot;
3330 break;
3331 }
3332
3333 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3334 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3335 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3336 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3337 }
3338
3339 /*
3340 * rt2860_asic_updateslot
3341 */
3342 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3343 {
3344 struct ifnet *ifp;
3345 struct ieee80211com *ic;
3346 uint32_t tmp;
3347
3348 ifp = sc->ifp;
3349 ic = ifp->if_l2com;
3350
3351 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3352 "%s: %s short slot time\n",
3353 device_get_nameunit(sc->dev),
3354 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3355
3356 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3357
3358 tmp &= ~0xff;
3359 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3360
3361 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3362 }
3363
3364 /*
3365 * rt2860_asic_wme_update
3366 */
3367 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3368 {
3369 struct ifnet *ifp;
3370 struct ieee80211com *ic;
3371 struct ieee80211_wme_state *wme;
3372 const struct wmeParams *wmep;
3373 int i;
3374
3375 ifp = sc->ifp;
3376 ic = ifp->if_l2com;
3377 wme = &ic->ic_wme;
3378 wmep = wme->wme_chanParams.cap_wmeParams;
3379
3380 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3381 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3382 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3383 device_get_nameunit(sc->dev),
3384 wmep[WME_AC_VO].wmep_aifsn,
3385 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3386 wmep[WME_AC_VO].wmep_txopLimit,
3387 wmep[WME_AC_VI].wmep_aifsn,
3388 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3389 wmep[WME_AC_VI].wmep_txopLimit,
3390 wmep[WME_AC_BK].wmep_aifsn,
3391 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3392 wmep[WME_AC_BK].wmep_txopLimit,
3393 wmep[WME_AC_BE].wmep_aifsn,
3394 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3395 wmep[WME_AC_BE].wmep_txopLimit);
3396
3397 for (i = 0; i < WME_NUM_AC; i++)
3398 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3399 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3400 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3401
3402 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3403 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3404 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3405
3406 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3407 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3408 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3409
3410 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3411 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3412 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3413
3414 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3415 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3416
3417 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3418 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3419 }
3420
3421 /*
3422 * rt2860_asic_update_beacon
3423 */
3424 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3425 struct ieee80211vap *vap)
3426 {
3427 struct ifnet *ifp;
3428 struct ieee80211com *ic;
3429 struct rt2860_softc_vap *rvap;
3430 const struct ieee80211_txparam *tp;
3431 struct mbuf *m;
3432 struct rt2860_txwi txwi;
3433 uint8_t rate, mcs;
3434 uint32_t tmp;
3435
3436 ifp = sc->ifp;
3437 ic = ifp->if_l2com;
3438 rvap = (struct rt2860_softc_vap *) vap;
3439 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3440
3441 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3442 if (m == NULL)
3443 return ENOMEM;
3444
3445 rate = tp->mgmtrate;
3446 mcs = rt2860_rate2mcs(rate);
3447
3448 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3449
3450 txwi.wcid = 0xff;
3451 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3452 RT2860_TXWI_MPDU_LEN_SHIFT);
3453 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3454 txwi.mpdu_density_flags |=
3455 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3456 txwi.bawin_size_xflags |=
3457 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3458
3459 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3460 {
3461 txwi.phymode_ifs_stbc_shortgi =
3462 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3463
3464 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3465 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3466 }
3467 else
3468 {
3469 txwi.phymode_ifs_stbc_shortgi =
3470 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3471 }
3472
3473 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3474 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3475
3476 /* disable temporarily TSF sync */
3477
3478 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3479
3480 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3481 RT2860_REG_TSF_TIMER_ENABLE |
3482 RT2860_REG_TBTT_TIMER_ENABLE);
3483
3484 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3485
3486 /* write Tx wireless info and beacon frame to on-chip memory */
3487
3488 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3489 &txwi, sizeof(struct rt2860_txwi));
3490
3491 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3492 mtod(m, uint8_t *), m->m_pkthdr.len);
3493
3494 /* enable again TSF sync */
3495
3496 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3497
3498 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3499 RT2860_REG_TSF_TIMER_ENABLE |
3500 RT2860_REG_TBTT_TIMER_ENABLE);
3501
3502 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3503
3504 m_freem(m);
3505
3506 return 0;
3507 }
3508
3509 /*
3510 * rt2860_asic_clear_keytables
3511 */
3512 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3513 {
3514 int i;
3515
3516 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3517
3518 for (i = 0; i < 256; i++)
3519 {
3520 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3521 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3522 }
3523
3524 /* clear WCID attribute table (entries = 256, entry size = 4) */
3525
3526 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3527
3528 /* clear IV/EIV table (entries = 256, entry size = 8) */
3529
3530 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3531
3532 /* clear pairwise key table (entries = 256, entry size = 32) */
3533
3534 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3535
3536 /* clear shared key table (entries = 32, entry size = 32) */
3537
3538 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3539
3540 /* clear shared key mode (entries = 32, entry size = 2) */
3541
3542 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3543 }
3544
3545 /*
3546 * rt2860_rxrate
3547 */
3548 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3549 {
3550 uint8_t mcs, phymode;
3551 uint8_t rate;
3552
3553 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3554 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3555 RT2860_RXWI_PHYMODE_MASK;
3556
3557 rate = 2;
3558
3559 switch (phymode)
3560 {
3561 case RT2860_RXWI_PHYMODE_CCK:
3562 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3563 {
3564 case 0: rate = 2; break; /* 1 Mbps */
3565 case 1: rate = 4; break; /* 2 MBps */
3566 case 2: rate = 11; break; /* 5.5 Mbps */
3567 case 3: rate = 22; break; /* 11 Mbps */
3568 }
3569 break;
3570
3571 case RT2860_RXWI_PHYMODE_OFDM:
3572 switch (mcs)
3573 {
3574 case 0: rate = 12; break; /* 6 Mbps */
3575 case 1: rate = 18; break; /* 9 Mbps */
3576 case 2: rate = 24; break; /* 12 Mbps */
3577 case 3: rate = 36; break; /* 18 Mbps */
3578 case 4: rate = 48; break; /* 24 Mbps */
3579 case 5: rate = 72; break; /* 36 Mbps */
3580 case 6: rate = 96; break; /* 48 Mbps */
3581 case 7: rate = 108; break; /* 54 Mbps */
3582 }
3583 break;
3584
3585 case RT2860_RXWI_PHYMODE_HT_MIXED:
3586 case RT2860_RXWI_PHYMODE_HT_GF:
3587 break;
3588 }
3589
3590 return rate;
3591 }
3592
3593 /*
3594 * rt2860_maxrssi_rxpath
3595 */
3596 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3597 const struct rt2860_rxwi *rxwi)
3598 {
3599 uint8_t rxpath;
3600
3601 rxpath = 0;
3602
3603 if (sc->nrxpath > 1)
3604 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3605 rxpath = 1;
3606
3607 if (sc->nrxpath > 2)
3608 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3609 rxpath = 2;
3610
3611 return rxpath;
3612 }
3613
3614 /*
3615 * rt2860_rssi2dbm
3616 */
3617 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3618 uint8_t rssi, uint8_t rxpath)
3619 {
3620 struct ifnet *ifp;
3621 struct ieee80211com *ic;
3622 struct ieee80211_channel *c;
3623 int chan;
3624 int8_t rssi_off, lna_gain;
3625
3626 if (rssi == 0)
3627 return -99;
3628
3629 ifp = sc->ifp;
3630 ic = ifp->if_l2com;
3631 c = ic->ic_curchan;
3632 chan = ieee80211_chan2ieee(ic, c);
3633
3634 if (IEEE80211_IS_CHAN_5GHZ(c))
3635 {
3636 rssi_off = sc->rssi_off_5ghz[rxpath];
3637
3638 if (chan <= 64)
3639 lna_gain = sc->lna_gain[1];
3640 else if (chan <= 128)
3641 lna_gain = sc->lna_gain[2];
3642 else
3643 lna_gain = sc->lna_gain[3];
3644 }
3645 else
3646 {
3647 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3648 lna_gain = sc->lna_gain[0];
3649 }
3650
3651 return (-12 - rssi_off - lna_gain - rssi);
3652 }
3653
3654 /*
3655 * rt2860_rate2mcs
3656 */
3657 static uint8_t rt2860_rate2mcs(uint8_t rate)
3658 {
3659 switch (rate)
3660 {
3661 /* CCK rates */
3662 case 2: return 0;
3663 case 4: return 1;
3664 case 11: return 2;
3665 case 22: return 3;
3666
3667 /* OFDM rates */
3668 case 12: return 0;
3669 case 18: return 1;
3670 case 24: return 2;
3671 case 36: return 3;
3672 case 48: return 4;
3673 case 72: return 5;
3674 case 96: return 6;
3675 case 108: return 7;
3676 }
3677
3678 return 0;
3679 }
3680
3681 /*
3682 * rt2860_tx_mgmt
3683 */
3684 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3685 struct mbuf *m, struct ieee80211_node *ni, int qid)
3686 {
3687 struct ifnet *ifp;
3688 struct ieee80211com *ic;
3689 struct ieee80211vap *vap;
3690 const struct ieee80211_txparam *tp;
3691 struct rt2860_softc_node *rni;
3692 struct rt2860_softc_tx_ring *ring;
3693 struct rt2860_softc_tx_data *data;
3694 struct rt2860_txdesc *desc;
3695 struct rt2860_txwi *txwi;
3696 struct ieee80211_frame *wh;
3697 struct rt2860_softc_tx_radiotap_header *tap;
3698 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3699 u_int hdrsize, hdrspace;
3700 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3701 uint16_t len, dmalen, mpdu_len, dur;
3702 int error, ndmasegs, ndescs, i, j;
3703
3704 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3705 ("%s: Tx MGMT: invalid qid=%d\n",
3706 device_get_nameunit(sc->dev), qid));
3707
3708 ifp = sc->ifp;
3709 ic = ifp->if_l2com;
3710 vap = ni->ni_vap;
3711 rni = (struct rt2860_softc_node *) ni;
3712 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
3713
3714 ring = &sc->tx_ring[qid];
3715 desc = &ring->desc[ring->desc_cur];
3716 data = &ring->data[ring->data_cur];
3717 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3718
3719 wh = mtod(m, struct ieee80211_frame *);
3720
3721 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3722
3723 /* fill Tx wireless info */
3724
3725 if (ni->ni_flags & IEEE80211_NODE_HT)
3726 mcs = rate;
3727 else
3728 mcs = rt2860_rate2mcs(rate);
3729
3730 pid = mcs;
3731
3732 /* calculate MPDU length without padding */
3733
3734 hdrsize = ieee80211_hdrsize(wh);
3735 hdrspace = ieee80211_hdrspace(ic, wh);
3736 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3737
3738 memset(txwi, 0, sizeof(struct rt2860_txwi));
3739
3740 /* management frames do not need encryption */
3741
3742 txwi->wcid = 0xff;
3743
3744 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3745 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3746 RT2860_TXWI_MPDU_LEN_SHIFT);
3747
3748 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3749
3750 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3751 (ni->ni_flags & IEEE80211_NODE_HT);
3752
3753 txwi->phymode_ifs_stbc_shortgi |=
3754 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3755 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3756
3757 if (ni->ni_flags & IEEE80211_NODE_HT)
3758 {
3759 txwi->phymode_ifs_stbc_shortgi |=
3760 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3761 }
3762 else
3763 {
3764 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3765 {
3766 txwi->phymode_ifs_stbc_shortgi |=
3767 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3768
3769 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3770 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3771 }
3772 else
3773 {
3774 txwi->phymode_ifs_stbc_shortgi |=
3775 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3776 }
3777 }
3778
3779 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3780 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3781
3782 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3783
3784 /* skip ACKs for multicast frames and probe responses */
3785
3786 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3787 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3788 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3789 {
3790 txwi->bawin_size_xflags |=
3791 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3792
3793 if (ni->ni_flags & IEEE80211_NODE_HT)
3794 {
3795 /* preamble + plcp + signal extension */
3796
3797 dur = 16 + 4 + 6;
3798 }
3799 else
3800 {
3801 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3802 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3803 }
3804
3805 *(uint16_t *) wh->i_dur = htole16(dur);
3806 }
3807
3808 /* ask MAC to insert timestamp into probe responses */
3809
3810 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3811 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3812 txwi->mpdu_density_flags |=
3813 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3814
3815 if (ieee80211_radiotap_active_vap(vap))
3816 {
3817 tap = &sc->txtap;
3818
3819 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3820 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3821 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3822 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3823 tap->chan_maxpow = 0;
3824
3825 if (ni->ni_flags & IEEE80211_NODE_HT)
3826 tap->rate = mcs | IEEE80211_RATE_MCS;
3827 else
3828 tap->rate = rate;
3829
3830 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3831 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3832
3833 if (shortgi)
3834 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3835
3836 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3837 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3838
3839 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3840 {
3841 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3842
3843 ieee80211_radiotap_tx(vap, m);
3844
3845 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3846 }
3847 else
3848 {
3849 ieee80211_radiotap_tx(vap, m);
3850 }
3851 }
3852
3853 /* copy and trim 802.11 header */
3854
3855 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3856 m_adj(m, hdrspace);
3857
3858 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3859 dma_seg, &ndmasegs, 0);
3860 if (error != 0)
3861 {
3862 /* too many fragments, linearize */
3863
3864 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3865 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3866 device_get_nameunit(sc->dev));
3867
3868 m = m_defrag(m, M_DONTWAIT);
3869 if (m == NULL)
3870 return ENOMEM;
3871
3872 sc->tx_defrag_packets++;
3873
3874 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3875 dma_seg, &ndmasegs, 0);
3876 if (error != 0)
3877 {
3878 printf("%s: could not load mbuf DMA map: error=%d\n",
3879 device_get_nameunit(sc->dev), error);
3880 m_freem(m);
3881 return error;
3882 }
3883 }
3884
3885 /* determine how many Tx descs are required */
3886
3887 ndescs = 1 + ndmasegs / 2;
3888 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3889 {
3890 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3891 "%s: there are not enough Tx descs\n",
3892 device_get_nameunit(sc->dev));
3893
3894 sc->no_tx_desc_avail++;
3895
3896 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3897 m_freem(m);
3898 return EFBIG;
3899 }
3900
3901 data->m = m;
3902 data->ni = ni;
3903
3904 /* set up Tx descs */
3905
3906 /* first segment is Tx wireless info and 802.11 header */
3907
3908 len = sizeof(struct rt2860_txwi) + hdrsize;
3909
3910 /* align end on a 4-bytes boundary */
3911
3912 dmalen = (len + 3) & ~ 3;
3913
3914 memset((caddr_t) txwi + len, 0, dmalen - len);
3915
3916 qsel = RT2860_TXDESC_QSEL_EDCA;
3917
3918 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3919 desc->sdl0 = htole16(dmalen);
3920 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3921
3922 /* set up payload segments */
3923
3924 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3925 {
3926 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3927 desc->sdl1 = htole16(dma_seg[j].ds_len);
3928
3929 ring->desc_queued++;
3930 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3931
3932 j++;
3933
3934 desc = &ring->desc[ring->desc_cur];
3935
3936 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3937 desc->sdl0 = htole16(dma_seg[j].ds_len);
3938 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3939
3940 j++;
3941 }
3942
3943 /* finalize last payload segment */
3944
3945 if (i > 0 && dma_seg[j].ds_len > 0)
3946 {
3947 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3948 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3949 }
3950 else
3951 {
3952 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3953 desc->sdl1 = 0;
3954 }
3955
3956 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3957 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3958 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3959 device_get_nameunit(sc->dev),
3960 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3961 stbc, shortgi, mcs, dmalen, ndmasegs,
3962 (int) dma_seg[0].ds_len, (int) dma_seg[1].ds_len, (int) dma_seg[2].ds_len, (int) dma_seg[3].ds_len, (int) dma_seg[4].ds_len);
3963
3964 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3965 BUS_DMASYNC_PREWRITE);
3966 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3967 BUS_DMASYNC_PREWRITE);
3968 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3969 BUS_DMASYNC_PREWRITE);
3970
3971 ring->desc_queued++;
3972 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3973
3974 ring->data_queued++;
3975 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3976
3977 /* kick Tx */
3978
3979 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3980
3981 return 0;
3982 }
3983
3984 /*
3985 * rt2860_tx_data
3986 */
3987 static int rt2860_tx_data(struct rt2860_softc *sc,
3988 struct mbuf *m, struct ieee80211_node *ni, int qid)
3989 {
3990 struct ifnet *ifp;
3991 struct ieee80211com *ic;
3992 struct ieee80211vap *vap;
3993 const struct ieee80211_txparam *tp;
3994 struct rt2860_softc_node *rni;
3995 struct rt2860_softc_tx_ring *ring;
3996 struct rt2860_softc_tx_data *data;
3997 struct rt2860_txdesc *desc;
3998 struct rt2860_txwi *txwi;
3999 struct ieee80211_frame *wh;
4000 struct ieee80211_tx_ampdu *tx_ampdu;
4001 ieee80211_seq seqno;
4002 struct rt2860_softc_tx_radiotap_header *tap;
4003 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4004 u_int hdrsize, hdrspace;
4005 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4006 uint16_t qos, len, dmalen, mpdu_len, dur;
4007 int error, hasqos, ac, tid, ampdu, ndmasegs, ndescs, i, j;
4008
4009 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4010 ("%s: Tx data: invalid qid=%d\n",
4011 device_get_nameunit(sc->dev), qid));
4012
4013 ifp = sc->ifp;
4014 ic = ifp->if_l2com;
4015 vap = ni->ni_vap;
4016 rni = (struct rt2860_softc_node *) ni;
4017 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
4018
4019 ring = &sc->tx_ring[qid];
4020 desc = &ring->desc[ring->desc_cur];
4021 data = &ring->data[ring->data_cur];
4022 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4023
4024 wh = mtod(m, struct ieee80211_frame *);
4025
4026 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4027
4028 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4029 if (hasqos)
4030 {
4031 if (IEEE80211_HAS_ADDR4(wh))
4032 qos = le16toh(*(const uint16_t *)
4033 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4034 else
4035 qos = le16toh(*(const uint16_t *)
4036 (((struct ieee80211_qosframe *) wh)->i_qos));
4037 }
4038 else
4039 {
4040 qos = 0;
4041 }
4042
4043 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4044 rate = tp->mcastrate;
4045 else if (m->m_flags & M_EAPOL)
4046 rate = tp->mgmtrate;
4047 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4048 rate = tp->ucastrate;
4049 else
4050 rate = ni->ni_txrate;
4051
4052 rate &= IEEE80211_RATE_VAL;
4053
4054 /* fill Tx wireless info */
4055
4056 if (ni->ni_flags & IEEE80211_NODE_HT)
4057 mcs = rate;
4058 else
4059 mcs = rt2860_rate2mcs(rate);
4060
4061 pid = mcs;
4062
4063 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4064 RT2860_AID2WCID(ni->ni_associd) : 0xff;
4065
4066 /* calculate MPDU length without padding */
4067
4068 hdrsize = ieee80211_hdrsize(wh);
4069 hdrspace = ieee80211_hdrspace(ic, wh);
4070 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4071
4072 memset(txwi, 0, sizeof(struct rt2860_txwi));
4073
4074 txwi->wcid = wcid;
4075
4076 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4077 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4078 RT2860_TXWI_MPDU_LEN_SHIFT);
4079
4080 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4081
4082 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4083 (ni->ni_flags & IEEE80211_NODE_HT);
4084
4085 txwi->phymode_ifs_stbc_shortgi |=
4086 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4087 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4088
4089 if (ni->ni_flags & IEEE80211_NODE_HT)
4090 {
4091 txwi->phymode_ifs_stbc_shortgi |=
4092 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4093 }
4094 else
4095 {
4096 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4097 {
4098 txwi->phymode_ifs_stbc_shortgi |=
4099 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4100
4101 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4102 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4103 }
4104 else
4105 {
4106 txwi->phymode_ifs_stbc_shortgi |=
4107 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4108 }
4109 }
4110
4111 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4112 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
4113 bw = RT2860_TXWI_BW_40;
4114 else
4115 bw = RT2860_TXWI_BW_20;
4116
4117 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4118 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4119
4120 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4121
4122 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4123 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK) &&
4124 !(m->m_flags & M_AMPDU_MPDU))
4125 {
4126 txwi->bawin_size_xflags |=
4127 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4128
4129 if (ni->ni_flags & IEEE80211_NODE_HT)
4130 {
4131 /* preamble + plcp + signal extension */
4132
4133 dur = 16 + 4 + 6;
4134 }
4135 else
4136 {
4137 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4138 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4139 }
4140
4141 *(uint16_t *) wh->i_dur = htole16(dur);
4142 }
4143
4144 /* check fo A-MPDU */
4145
4146 if (m->m_flags & M_AMPDU_MPDU)
4147 {
4148 ac = M_WME_GETAC(m);
4149 tid = WME_AC_TO_TID(ac);
4150 tx_ampdu = &ni->ni_tx_ampdu[ac];
4151
4152 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4153 bawin_size = 13; //tx_ampdu->txa_wnd;
4154
4155 txwi->mpdu_density_flags |=
4156 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4157 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4158
4159 txwi->bawin_size_xflags |=
4160 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4161
4162 seqno = ni->ni_txseqs[tid]++;
4163
4164 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4165
4166 ampdu = 1;
4167 }
4168 else
4169 {
4170 ampdu = 0;
4171 }
4172
4173 /* ask MAC to insert timestamp into probe responses */
4174
4175 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4176 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4177 txwi->mpdu_density_flags |=
4178 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4179
4180 if (ieee80211_radiotap_active_vap(vap))
4181 {
4182 tap = &sc->txtap;
4183
4184 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4185 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4186 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4187 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4188 tap->chan_maxpow = 0;
4189
4190 if (ni->ni_flags & IEEE80211_NODE_HT)
4191 tap->rate = mcs | IEEE80211_RATE_MCS;
4192 else
4193 tap->rate = rate;
4194
4195 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4196 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4197
4198 if (shortgi)
4199 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4200
4201 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4202 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4203
4204 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4205 {
4206 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4207
4208 ieee80211_radiotap_tx(vap, m);
4209
4210 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4211 }
4212 else
4213 {
4214 ieee80211_radiotap_tx(vap, m);
4215 }
4216 }
4217
4218 /* copy and trim 802.11 header */
4219
4220 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4221 m_adj(m, hdrspace);
4222
4223 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4224 dma_seg, &ndmasegs, 0);
4225 if (error != 0)
4226 {
4227 /* too many fragments, linearize */
4228
4229 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4230 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
4231 device_get_nameunit(sc->dev));
4232
4233 m = m_defrag(m, M_DONTWAIT);
4234 if (m == NULL)
4235 return ENOMEM;
4236
4237 sc->tx_defrag_packets++;
4238
4239 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4240 dma_seg, &ndmasegs, 0);
4241 if (error != 0)
4242 {
4243 printf("%s: could not load mbuf DMA map: error=%d\n",
4244 device_get_nameunit(sc->dev), error);
4245 m_freem(m);
4246 return error;
4247 }
4248 }
4249
4250 /* determine how many Tx descs are required */
4251
4252 ndescs = 1 + ndmasegs / 2;
4253 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4254 {
4255 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4256 "%s: there are not enough Tx descs\n",
4257 device_get_nameunit(sc->dev));
4258
4259 sc->no_tx_desc_avail++;
4260
4261 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4262 m_freem(m);
4263 return EFBIG;
4264 }
4265
4266 data->m = m;
4267 data->ni = ni;
4268
4269 /* set up Tx descs */
4270
4271 /* first segment is Tx wireless info and 802.11 header */
4272
4273 len = sizeof(struct rt2860_txwi) + hdrsize;
4274
4275 /* align end on a 4-bytes boundary */
4276
4277 dmalen = (len + 3) & ~ 3;
4278
4279 memset((caddr_t) txwi + len, 0, dmalen - len);
4280
4281 qsel = RT2860_TXDESC_QSEL_EDCA;
4282
4283 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4284 desc->sdl0 = htole16(dmalen);
4285 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4286
4287 /* set up payload segments */
4288
4289 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4290 {
4291 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4292 desc->sdl1 = htole16(dma_seg[j].ds_len);
4293
4294 ring->desc_queued++;
4295 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4296
4297 j++;
4298
4299 desc = &ring->desc[ring->desc_cur];
4300
4301 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4302 desc->sdl0 = htole16(dma_seg[j].ds_len);
4303 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4304
4305 j++;
4306 }
4307
4308 /* finalize last payload segment */
4309
4310 if (i > 0 && dma_seg[j].ds_len > 0)
4311 {
4312 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4313 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4314 }
4315 else
4316 {
4317 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4318 desc->sdl1 = 0;
4319 }
4320
4321 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4322 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4323 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4324 device_get_nameunit(sc->dev),
4325 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4326 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
4327 (int) dma_seg[0].ds_len, (int) dma_seg[1].ds_len, (int) dma_seg[2].ds_len, (int) dma_seg[3].ds_len, (int) dma_seg[4].ds_len);
4328
4329 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4330 BUS_DMASYNC_PREWRITE);
4331 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4332 BUS_DMASYNC_PREWRITE);
4333 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4334 BUS_DMASYNC_PREWRITE);
4335
4336 ring->desc_queued++;
4337 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4338
4339 ring->data_queued++;
4340 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4341
4342 /* kick Tx */
4343
4344 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4345
4346 return 0;
4347 }
4348
4349 /*
4350 * rt2860_tx_raw
4351 */
4352 static int rt2860_tx_raw(struct rt2860_softc *sc,
4353 struct mbuf *m, struct ieee80211_node *ni,
4354 const struct ieee80211_bpf_params *params)
4355 {
4356 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4357 "%s: Tx raw\n",
4358 device_get_nameunit(sc->dev));
4359
4360 return 0;
4361 }
4362
4363 /*
4364 * rt2860_intr
4365 */
4366 static void rt2860_intr(void *arg)
4367 {
4368 struct rt2860_softc *sc;
4369 struct ifnet *ifp;
4370 uint32_t status;
4371
4372 sc = arg;
4373 ifp = sc->ifp;
4374
4375 /* acknowledge interrupts */
4376
4377 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4378 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4379
4380 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4381 "%s: interrupt: status = 0x%08x\n",
4382 device_get_nameunit(sc->dev), status);
4383
4384 if (status == 0xffffffff || /* device likely went away */
4385 status == 0) /* not for us */
4386 return;
4387
4388 sc->interrupts++;
4389
4390 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4391 return;
4392
4393 if (status & RT2860_REG_INT_TX_COHERENT)
4394 rt2860_tx_coherent_intr(sc);
4395
4396 if (status & RT2860_REG_INT_RX_COHERENT)
4397 rt2860_rx_coherent_intr(sc);
4398
4399 if (status & RT2860_REG_INT_TXRX_COHERENT)
4400 rt2860_txrx_coherent_intr(sc);
4401
4402 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4403 rt2860_fifo_sta_full_intr(sc);
4404
4405 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4406 rt2860_tx_intr(sc, 5);
4407
4408 if (status & RT2860_REG_INT_RX_DONE)
4409 rt2860_rx_intr(sc);
4410
4411 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4412 rt2860_rx_delay_intr(sc);
4413
4414 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4415 rt2860_tx_intr(sc, 4);
4416
4417 if (status & RT2860_REG_INT_TX_AC3_DONE)
4418 rt2860_tx_intr(sc, 3);
4419
4420 if (status & RT2860_REG_INT_TX_AC2_DONE)
4421 rt2860_tx_intr(sc, 2);
4422
4423 if (status & RT2860_REG_INT_TX_AC1_DONE)
4424 rt2860_tx_intr(sc, 1);
4425
4426 if (status & RT2860_REG_INT_TX_AC0_DONE)
4427 rt2860_tx_intr(sc, 0);
4428
4429 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4430 rt2860_tx_delay_intr(sc);
4431
4432 if (status & RT2860_REG_INT_PRE_TBTT)
4433 rt2860_pre_tbtt_intr(sc);
4434
4435 if (status & RT2860_REG_INT_TBTT)
4436 rt2860_tbtt_intr(sc);
4437
4438 if (status & RT2860_REG_INT_MCU_CMD)
4439 rt2860_mcu_cmd_intr(sc);
4440
4441 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4442 rt2860_auto_wakeup_intr(sc);
4443
4444 if (status & RT2860_REG_INT_GP_TIMER)
4445 rt2860_gp_timer_intr(sc);
4446 }
4447
4448 /*
4449 * rt2860_tx_coherent_intr
4450 */
4451 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4452 {
4453 uint32_t tmp;
4454 int i;
4455
4456 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4457 "%s: Tx coherent interrupt\n",
4458 device_get_nameunit(sc->dev));
4459
4460 sc->tx_coherent_interrupts++;
4461
4462 /* restart DMA engine */
4463
4464 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4465
4466 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4467 RT2860_REG_RX_DMA_ENABLE |
4468 RT2860_REG_TX_DMA_ENABLE);
4469
4470 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4471
4472 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4473
4474 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4475 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4476
4477 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4478 {
4479 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4480 sc->tx_ring[i].desc_phys_addr);
4481 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4482 RT2860_SOFTC_TX_RING_DESC_COUNT);
4483 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4484 }
4485
4486 /* init Rx ring */
4487
4488 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4489
4490 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4491 sc->rx_ring.desc_phys_addr);
4492 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4493 RT2860_SOFTC_RX_RING_DATA_COUNT);
4494 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4495 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4496
4497 rt2860_txrx_enable(sc);
4498 }
4499
4500 /*
4501 * rt2860_rx_coherent_intr
4502 */
4503 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4504 {
4505 uint32_t tmp;
4506 int i;
4507
4508 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4509 "%s: Rx coherent interrupt\n",
4510 device_get_nameunit(sc->dev));
4511
4512 sc->rx_coherent_interrupts++;
4513
4514 /* restart DMA engine */
4515
4516 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4517
4518 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4519 RT2860_REG_RX_DMA_ENABLE |
4520 RT2860_REG_TX_DMA_ENABLE);
4521
4522 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4523
4524 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4525
4526 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4527 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4528
4529 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4530 {
4531 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4532 sc->tx_ring[i].desc_phys_addr);
4533 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4534 RT2860_SOFTC_TX_RING_DESC_COUNT);
4535 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4536 }
4537
4538 /* init Rx ring */
4539
4540 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4541
4542 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4543 sc->rx_ring.desc_phys_addr);
4544 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4545 RT2860_SOFTC_RX_RING_DATA_COUNT);
4546 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4547 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4548
4549 rt2860_txrx_enable(sc);
4550 }
4551
4552 /*
4553 * rt2860_txrx_coherent_intr
4554 */
4555 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4556 {
4557 uint32_t tmp;
4558 int i;
4559
4560 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4561 "%s: Tx/Rx coherent interrupt\n",
4562 device_get_nameunit(sc->dev));
4563
4564 sc->txrx_coherent_interrupts++;
4565
4566 /* restart DMA engine */
4567
4568 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4569
4570 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4571 RT2860_REG_RX_DMA_ENABLE |
4572 RT2860_REG_TX_DMA_ENABLE);
4573
4574 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4575
4576 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4577
4578 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4579 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4580
4581 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4582 {
4583 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4584 sc->tx_ring[i].desc_phys_addr);
4585 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4586 RT2860_SOFTC_TX_RING_DESC_COUNT);
4587 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4588 }
4589
4590 /* init Rx ring */
4591
4592 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4593
4594 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4595 sc->rx_ring.desc_phys_addr);
4596 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4597 RT2860_SOFTC_RX_RING_DATA_COUNT);
4598 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4599 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4600
4601 rt2860_txrx_enable(sc);
4602 }
4603
4604 /*
4605 * rt2860_fifo_sta_full_intr
4606 */
4607 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4608 {
4609 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4610 "%s: FIFO statistic full interrupt\n",
4611 device_get_nameunit(sc->dev));
4612
4613 sc->fifo_sta_full_interrupts++;
4614
4615 RT2860_SOFTC_LOCK(sc);
4616
4617 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4618 {
4619 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4620
4621 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4622 }
4623
4624 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4625
4626 RT2860_SOFTC_UNLOCK(sc);
4627 }
4628
4629 /*
4630 * rt2860_rx_intr
4631 */
4632 static void rt2860_rx_intr(struct rt2860_softc *sc)
4633 {
4634 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4635 "%s: Rx interrupt\n",
4636 device_get_nameunit(sc->dev));
4637
4638 sc->rx_interrupts++;
4639
4640 RT2860_SOFTC_LOCK(sc);
4641
4642 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4643 {
4644 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4645
4646 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4647 }
4648
4649 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4650
4651 RT2860_SOFTC_UNLOCK(sc);
4652 }
4653
4654 /*
4655 * rt2860_rx_delay_intr
4656 */
4657 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4658 {
4659 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4660 "%s: Rx delay interrupt\n",
4661 device_get_nameunit(sc->dev));
4662
4663 sc->rx_delay_interrupts++;
4664 }
4665
4666 /*
4667 * rt2860_tx_intr
4668 */
4669 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4670 {
4671 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4672 ("%s: Tx interrupt: invalid qid=%d\n",
4673 device_get_nameunit(sc->dev), qid));
4674
4675 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4676 "%s: Tx interrupt: qid=%d\n",
4677 device_get_nameunit(sc->dev), qid);
4678
4679 sc->tx_interrupts[qid]++;
4680
4681 RT2860_SOFTC_LOCK(sc);
4682
4683 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4684 {
4685 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4686
4687 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4688 }
4689
4690 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4691
4692 RT2860_SOFTC_UNLOCK(sc);
4693 }
4694
4695 /*
4696 * rt2860_tx_delay_intr
4697 */
4698 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4699 {
4700 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4701 "%s: Tx delay interrupt\n",
4702 device_get_nameunit(sc->dev));
4703
4704 sc->tx_delay_interrupts++;
4705 }
4706
4707 /*
4708 * rt2860_pre_tbtt_intr
4709 */
4710 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4711 {
4712 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4713 "%s: Pre-TBTT interrupt\n",
4714 device_get_nameunit(sc->dev));
4715
4716 sc->pre_tbtt_interrupts++;
4717 }
4718
4719 /*
4720 * rt2860_tbtt_intr
4721 */
4722 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4723 {
4724 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4725 "%s: TBTT interrupt\n",
4726 device_get_nameunit(sc->dev));
4727
4728 sc->tbtt_interrupts++;
4729 }
4730
4731 /*
4732 * rt2860_mcu_cmd_intr
4733 */
4734 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4735 {
4736 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4737 "%s: MCU command interrupt\n",
4738 device_get_nameunit(sc->dev));
4739
4740 sc->mcu_cmd_interrupts++;
4741 }
4742
4743 /*
4744 * rt2860_auto_wakeup_intr
4745 */
4746 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4747 {
4748 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4749 "%s: auto wakeup interrupt\n",
4750 device_get_nameunit(sc->dev));
4751
4752 sc->auto_wakeup_interrupts++;
4753 }
4754
4755 /*
4756 * rt2860_gp_timer_intr
4757 */
4758 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4759 {
4760 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4761 "%s: GP timer interrupt\n",
4762 device_get_nameunit(sc->dev));
4763
4764 sc->gp_timer_interrupts++;
4765 }
4766
4767 /*
4768 * rt2860_rx_done_task
4769 */
4770 static void rt2860_rx_done_task(void *context, int pending)
4771 {
4772 struct rt2860_softc *sc;
4773 struct ifnet *ifp;
4774 int again;
4775
4776 sc = context;
4777 ifp = sc->ifp;
4778
4779 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4780 "%s: Rx done task\n",
4781 device_get_nameunit(sc->dev));
4782
4783 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4784 return;
4785
4786 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4787
4788 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4789
4790 RT2860_SOFTC_LOCK(sc);
4791
4792 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4793 {
4794 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4795 "%s: Rx done task: scheduling again\n",
4796 device_get_nameunit(sc->dev));
4797
4798 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4799 }
4800 else
4801 {
4802 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4803 }
4804
4805 RT2860_SOFTC_UNLOCK(sc);
4806 }
4807
4808 /*
4809 * rt2860_tx_done_task
4810 */
4811 static void rt2860_tx_done_task(void *context, int pending)
4812 {
4813 struct rt2860_softc *sc;
4814 struct ifnet *ifp;
4815 uint32_t intr_mask;
4816 int i;
4817
4818 sc = context;
4819 ifp = sc->ifp;
4820
4821 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4822 "%s: Tx done task\n",
4823 device_get_nameunit(sc->dev));
4824
4825 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4826 return;
4827
4828 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4829 {
4830 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4831 {
4832 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4833
4834 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4835 }
4836 }
4837
4838 sc->tx_timer = 0;
4839
4840 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4841
4842 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4843 RT2860_REG_INT_TX_HCCA_DONE |
4844 RT2860_REG_INT_TX_AC3_DONE |
4845 RT2860_REG_INT_TX_AC2_DONE |
4846 RT2860_REG_INT_TX_AC1_DONE |
4847 RT2860_REG_INT_TX_AC0_DONE);
4848
4849 RT2860_SOFTC_LOCK(sc);
4850
4851 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4852 (sc->intr_disable_mask & intr_mask));
4853
4854 if (sc->intr_pending_mask & intr_mask)
4855 {
4856 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4857 "%s: Tx done task: scheduling again\n",
4858 device_get_nameunit(sc->dev));
4859
4860 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4861 }
4862
4863 RT2860_SOFTC_UNLOCK(sc);
4864 }
4865
4866 /*
4867 * rt2860_fifo_sta_full_task
4868 */
4869 static void rt2860_fifo_sta_full_task(void *context, int pending)
4870 {
4871 struct rt2860_softc *sc;
4872 struct ifnet *ifp;
4873
4874 sc = context;
4875 ifp = sc->ifp;
4876
4877 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4878 "%s: FIFO statistic full task\n",
4879 device_get_nameunit(sc->dev));
4880
4881 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4882 return;
4883
4884 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4885
4886 rt2860_drain_fifo_stats(sc);
4887
4888 RT2860_SOFTC_LOCK(sc);
4889
4890 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4891 {
4892 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4893 "%s: FIFO statistic full task: scheduling again\n",
4894 device_get_nameunit(sc->dev));
4895
4896 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4897 }
4898 else
4899 {
4900 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4901 }
4902
4903 RT2860_SOFTC_UNLOCK(sc);
4904 }
4905
4906 /*
4907 * rt2860_periodic_task
4908 */
4909 static void rt2860_periodic_task(void *context, int pending)
4910 {
4911 struct rt2860_softc *sc;
4912 struct ifnet *ifp;
4913 struct ieee80211com *ic;
4914 struct ieee80211vap *vap;
4915
4916 sc = context;
4917 ifp = sc->ifp;
4918 ic = ifp->if_l2com;
4919 vap = TAILQ_FIRST(&ic->ic_vaps);
4920
4921 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4922 "%s: periodic task: round=%lu\n",
4923 device_get_nameunit(sc->dev), sc->periodic_round);
4924
4925 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4926 return;
4927
4928 RT2860_SOFTC_LOCK(sc);
4929
4930 sc->periodic_round++;
4931
4932 rt2860_update_stats(sc);
4933
4934 if ((sc->periodic_round % 10) == 0)
4935 {
4936 rt2860_bbp_tuning(sc);
4937
4938 rt2860_update_raw_counters(sc);
4939
4940 rt2860_watchdog(sc);
4941
4942 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4943 {
4944 if (vap->iv_opmode == IEEE80211_M_STA)
4945 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
4946 else
4947 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
4948 }
4949 }
4950
4951 RT2860_SOFTC_UNLOCK(sc);
4952
4953 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4954 }
4955
4956 /*
4957 * rt2860_rx_eof
4958 */
4959 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4960 {
4961 struct ifnet *ifp;
4962 struct ieee80211com *ic;
4963 struct ieee80211_frame *wh;
4964 struct ieee80211_node *ni;
4965 struct rt2860_softc_rx_radiotap_header *tap;
4966 struct rt2860_softc_rx_ring *ring;
4967 struct rt2860_rxdesc *desc;
4968 struct rt2860_softc_rx_data *data;
4969 struct rt2860_rxwi *rxwi;
4970 struct mbuf *m, *mnew;
4971 bus_dma_segment_t segs[1];
4972 bus_dmamap_t dma_map;
4973 uint32_t index, desc_flags;
4974 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4975 int8_t rssi_dbm;
4976 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes;
4977
4978 ifp = sc->ifp;
4979 ic = ifp->if_l2com;
4980 ring = &sc->rx_ring;
4981
4982 nframes = 0;
4983
4984 while (limit != 0)
4985 {
4986 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4987 if (ring->cur == index)
4988 break;
4989
4990 desc = &ring->desc[ring->cur];
4991 desc_flags = le32toh(desc->flags);
4992 data = &ring->data[ring->cur];
4993
4994 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4995 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
4996
4997 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4998 break;
4999
5000 nframes++;
5001
5002 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5003 if (mnew == NULL)
5004 {
5005 sc->rx_mbuf_alloc_errors++;
5006 ifp->if_ierrors++;
5007 goto skip;
5008 }
5009
5010 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5011
5012 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5013 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5014 if (error != 0)
5015 {
5016 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5017 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5018 device_get_nameunit(sc->dev), error, nsegs);
5019
5020 m_freem(mnew);
5021
5022 sc->rx_mbuf_dmamap_errors++;
5023 ifp->if_ierrors++;
5024
5025 goto skip;
5026 }
5027
5028 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5029 device_get_nameunit(sc->dev)));
5030
5031 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5032 BUS_DMASYNC_POSTREAD);
5033 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5034
5035 dma_map = data->dma_map;
5036 data->dma_map = ring->spare_dma_map;
5037 ring->spare_dma_map = dma_map;
5038
5039 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5040 BUS_DMASYNC_PREREAD);
5041
5042 m = data->m;
5043
5044 data->m = mnew;
5045 desc->sdp0 = htole32(segs[0].ds_addr);
5046
5047 /* get Rx wireless info */
5048
5049 rxwi = mtod(m, struct rt2860_rxwi *);
5050 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5051 RT2860_RXWI_SIZE_MASK;
5052
5053 /* check for L2 padding between IEEE 802.11 frame header and body */
5054
5055 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5056 {
5057 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5058 "%s: L2 padding: len=%d\n",
5059 device_get_nameunit(sc->dev), len);
5060
5061 len += 2;
5062 }
5063
5064 m->m_pkthdr.rcvif = ifp;
5065 m->m_data = (caddr_t) (rxwi + 1);
5066 m->m_pkthdr.len = m->m_len = len;
5067
5068 /* check for crc errors */
5069
5070 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5071 {
5072 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5073 "%s: rxdesc: crc error\n",
5074 device_get_nameunit(sc->dev));
5075
5076 ifp->if_ierrors++;
5077
5078 if (!(ifp->if_flags & IFF_PROMISC))
5079 {
5080 m_freem(m);
5081 goto skip;
5082 }
5083 }
5084
5085 wh = (struct ieee80211_frame *) (rxwi + 1);
5086
5087 /* check for cipher errors */
5088
5089 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5090 {
5091 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5092 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5093 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5094 {
5095 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5096 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5097
5098 m->m_flags |= M_WEP;
5099 }
5100 else
5101 {
5102 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5103 "%s: rxdesc: cipher error=0x%02x\n",
5104 device_get_nameunit(sc->dev), cipher_err);
5105
5106 ifp->if_ierrors++;
5107
5108 if (!(ifp->if_flags & IFF_PROMISC))
5109 {
5110 m_free(m);
5111 goto skip;
5112 }
5113 }
5114 }
5115 else
5116 {
5117 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5118 {
5119 ifp->if_ierrors++;
5120
5121 if (!(ifp->if_flags & IFF_PROMISC))
5122 {
5123 m_free(m);
5124 goto skip;
5125 }
5126 }
5127 }
5128
5129 /* check for A-MPDU */
5130
5131 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5132 {
5133 m->m_flags |= M_AMPDU;
5134
5135 sc->rx_ampdu++;
5136
5137 ampdu = 1;
5138 }
5139 else
5140 {
5141 ampdu = 0;
5142 }
5143
5144 /* check for A-MSDU */
5145
5146 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5147 {
5148 sc->rx_amsdu++;
5149
5150 amsdu = 1;
5151 }
5152 else
5153 {
5154 amsdu = 0;
5155 }
5156
5157 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5158 rssi = rxwi->rssi[ant];
5159 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5160 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5161 RT2860_RXWI_PHYMODE_MASK);
5162 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5163 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5164 RT2860_RXWI_SHORTGI_MASK);
5165 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5166
5167 if (ieee80211_radiotap_active(ic))
5168 {
5169 tap = &sc->rxtap;
5170
5171 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5172 tap->dbm_antsignal = rssi_dbm;
5173 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5174 tap->antenna = ant;
5175 tap->antsignal = rssi;
5176 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5177 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5178 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5179 tap->chan_maxpow = 0;
5180
5181 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5182 tap->rate = mcs | IEEE80211_RATE_MCS;
5183 else
5184 tap->rate = rt2860_rxrate(rxwi);
5185
5186 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5187 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5188
5189 if (shortgi)
5190 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5191 }
5192
5193 /*
5194 * net80211 assumes that RSSI data are in the range [-127..127] and
5195 * in .5 dBm units relative to the current noise floor
5196 */
5197
5198 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5199 if (rssi_dbm_rel > 127)
5200 rssi_dbm_rel = 127;
5201
5202 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5203 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5204 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5205 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5206 device_get_nameunit(sc->dev),
5207 len, phymode, bw, shortgi, mcs,
5208 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5209 rxwi->snr[0], rxwi->snr[1],
5210 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5211
5212 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5213 if (ni != NULL)
5214 {
5215 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5216 ieee80211_free_node(ni);
5217 }
5218 else
5219 {
5220 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5221 }
5222
5223 skip:
5224
5225 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5226
5227 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5228 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5229
5230 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5231
5232 limit--;
5233 }
5234
5235 if (ring->cur == 0)
5236 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5237 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5238 else
5239 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5240 ring->cur - 1);
5241
5242 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5243 "%s: Rx eof: nframes=%d\n",
5244 device_get_nameunit(sc->dev), nframes);
5245
5246 sc->rx_packets += nframes;
5247
5248 return (limit == 0);
5249 }
5250
5251 /*
5252 * rt2860_tx_eof
5253 */
5254 static void rt2860_tx_eof(struct rt2860_softc *sc,
5255 struct rt2860_softc_tx_ring *ring)
5256 {
5257 struct ifnet *ifp;
5258 struct rt2860_txdesc *desc;
5259 struct rt2860_softc_tx_data *data;
5260 uint32_t index;
5261 int ndescs, nframes;
5262
5263 ifp = sc->ifp;
5264
5265 ndescs = 0;
5266 nframes = 0;
5267
5268 for (;;)
5269 {
5270 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5271 if (ring->desc_next == index)
5272 break;
5273
5274 ndescs++;
5275
5276 rt2860_drain_fifo_stats(sc);
5277
5278 desc = &ring->desc[ring->desc_next];
5279
5280 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5281 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5282
5283 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5284 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5285 {
5286 nframes++;
5287
5288 data = &ring->data[ring->data_next];
5289
5290 if (data->m->m_flags & M_TXCB)
5291 ieee80211_process_callback(data->ni, data->m, 0);
5292
5293 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5294 BUS_DMASYNC_POSTWRITE);
5295 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5296
5297 m_freem(data->m);
5298
5299 ieee80211_free_node(data->ni);
5300
5301 data->m = NULL;
5302 data->ni = NULL;
5303
5304 ifp->if_opackets++;
5305
5306 RT2860_SOFTC_LOCK(sc);
5307
5308 ring->data_queued--;
5309 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5310
5311 RT2860_SOFTC_UNLOCK(sc);
5312 }
5313
5314 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5315
5316 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5317 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5318
5319 RT2860_SOFTC_LOCK(sc);
5320
5321 ring->desc_queued--;
5322 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5323
5324 RT2860_SOFTC_UNLOCK(sc);
5325 }
5326
5327 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5328 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5329 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5330 }
5331
5332 /*
5333 * rt2860_update_stats
5334 */
5335 static void rt2860_update_stats(struct rt2860_softc *sc)
5336 {
5337 struct ifnet *ifp;
5338 struct ieee80211com *ic;
5339 struct ieee80211vap *vap;
5340 struct ieee80211_node *ni;
5341 uint32_t stacnt[3];
5342 int beacons, noretryok, retryok, failed;
5343 uint16_t associd;
5344 uint8_t wcid;
5345
5346 ifp = sc->ifp;
5347 ic = ifp->if_l2com;
5348 vap = TAILQ_FIRST(&ic->ic_vaps);
5349
5350 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5351 "%s: update statistic\n",
5352 device_get_nameunit(sc->dev));
5353
5354 rt2860_drain_fifo_stats(sc);
5355
5356 /* read and clear Tx statistic registers */
5357
5358 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5359 stacnt, sizeof(stacnt));
5360
5361 stacnt[0] = le32toh(stacnt[0]);
5362 stacnt[1] = le32toh(stacnt[1]);
5363 stacnt[2] = le32toh(stacnt[2]);
5364
5365 beacons = stacnt[0] >> 16;
5366 noretryok = stacnt[1] & 0xffff;
5367 retryok = stacnt[1] >> 16;
5368 failed = stacnt[0] & 0xffff;
5369
5370 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5371 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
5372 device_get_nameunit(sc->dev),
5373 beacons, noretryok, retryok, failed);
5374
5375 ifp->if_oerrors += failed;
5376
5377 sc->tx_beacons += beacons;
5378 sc->tx_noretryok += noretryok;
5379 sc->tx_retryok += retryok;
5380 sc->tx_failed += failed;
5381
5382 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5383 {
5384 ni = vap->iv_bss;
5385
5386 associd = (ni != NULL) ? ni->ni_associd : 0;
5387 wcid = RT2860_AID2WCID(associd);
5388
5389 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5390 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5391 }
5392 }
5393
5394 /*
5395 * rt2860_bbp_tuning
5396 */
5397 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5398 {
5399 struct ifnet *ifp;
5400 struct ieee80211com *ic;
5401 struct ieee80211vap *vap;
5402 struct ieee80211_node *ni;
5403 int chan, group;
5404 int8_t rssi, old, new;
5405
5406 /* RT2860C does not support BBP tuning */
5407
5408 if (sc->mac_rev == 0x28600100)
5409 return;
5410
5411 ifp = sc->ifp;
5412 ic = ifp->if_l2com;
5413 vap = TAILQ_FIRST(&ic->ic_vaps);
5414
5415 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5416 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5417 return;
5418
5419 ni = vap->iv_bss;
5420
5421 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5422
5423 if (chan <= 14)
5424 group = 0;
5425 else if (chan <= 64)
5426 group = 1;
5427 else if (chan <= 128)
5428 group = 2;
5429 else
5430 group = 3;
5431
5432 rssi = ieee80211_getrssi(vap);
5433
5434 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5435 {
5436 new = 0x2e + sc->lna_gain[group];
5437 }
5438 else
5439 {
5440 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5441 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5442 else
5443 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5444 }
5445
5446 /* Tune if absolute average RSSI is greater than -80 */
5447
5448 if (rssi > 30)
5449 new += 0x10;
5450
5451 old = rt2860_io_bbp_read(sc, 66);
5452
5453 if (old != new)
5454 rt2860_io_bbp_write(sc, 66, new);
5455 }
5456
5457 /*
5458 * rt2860_watchdog
5459 */
5460 static void rt2860_watchdog(struct rt2860_softc *sc)
5461 {
5462 uint32_t tmp;
5463 int ntries;
5464
5465 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5466
5467 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5468 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5469 device_get_nameunit(sc->dev), tmp);
5470
5471 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5472 {
5473 sc->tx_queue_not_empty[0]++;
5474
5475 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5476
5477 for (ntries = 0; ntries < 10; ntries++)
5478 {
5479 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5480 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5481 break;
5482
5483 DELAY(1);
5484 }
5485
5486 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5487 }
5488
5489 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5490 {
5491 sc->tx_queue_not_empty[1]++;
5492
5493 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5494
5495 for (ntries = 0; ntries < 10; ntries++)
5496 {
5497 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5498 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5499 break;
5500
5501 DELAY(1);
5502 }
5503
5504 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5505 }
5506 }
5507
5508 /*
5509 * rt2860_drain_fifo_stats
5510 */
5511 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5512 {
5513 struct ifnet *ifp;
5514 uint32_t stats;
5515 uint8_t wcid, mcs, pid;
5516 int ok, retrycnt;
5517
5518 ifp = sc->ifp;
5519
5520 /* drain Tx status FIFO (maxsize = 16) */
5521
5522 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5523 RT2860_REG_TX_STA_FIFO_VALID)
5524 {
5525 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5526 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5527
5528 /* if no ACK was requested, no feedback is available */
5529
5530 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5531 continue;
5532
5533 /* update AMRR statistic */
5534
5535 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5536 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5537 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5538 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5539 RT2860_REG_TX_STA_FIFO_PID_MASK;
5540 retrycnt = pid - mcs;
5541
5542 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5543 "%s: FIFO statistic: wcid=0x%02x, ok=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5544 device_get_nameunit(sc->dev),
5545 wcid, ok, mcs, pid, retrycnt);
5546
5547 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5548
5549 if (!ok)
5550 ifp->if_oerrors++;
5551 }
5552 }
5553
5554 /*
5555 * rt2860_update_raw_counters
5556 */
5557 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5558 {
5559 uint32_t tmp;
5560
5561 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5562
5563 sc->tx_nonagg += tmp & 0xffff;
5564 sc->tx_agg += tmp >> 16;
5565
5566 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5567
5568 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5569
5570 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5571
5572 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5573
5574 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5575
5576 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5577
5578 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5579
5580 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5581
5582 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5583
5584 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5585
5586 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5587
5588 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5589
5590 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5591
5592 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5593
5594 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5595
5596 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5597
5598 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5599
5600 sc->rx_crc_errors += tmp & 0xffff;
5601 sc->rx_phy_errors += tmp >> 16;
5602
5603 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5604
5605 sc->rx_false_ccas += tmp & 0xffff;
5606 sc->rx_plcp_errors += tmp >> 16;
5607
5608 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5609
5610 sc->rx_dup_packets += tmp & 0xffff;
5611 sc->rx_fifo_overflows += tmp >> 16;
5612 }
5613
5614 /*
5615 * rt2860_intr_enable
5616 */
5617 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5618 {
5619 uint32_t tmp;
5620
5621 sc->intr_disable_mask &= ~intr_mask;
5622
5623 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5624
5625 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5626 }
5627
5628 /*
5629 * rt2860_intr_disable
5630 */
5631 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5632 {
5633 uint32_t tmp;
5634
5635 sc->intr_disable_mask |= intr_mask;
5636
5637 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5638
5639 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5640 }
5641
5642 /*
5643 * rt2860_txrx_enable
5644 */
5645 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5646 {
5647 struct ieee80211com *ic;
5648 struct ifnet *ifp;
5649 uint32_t tmp;
5650 int ntries;
5651
5652 ifp = sc->ifp;
5653 ic = ifp->if_l2com;
5654
5655 /* enable Tx/Rx DMA engine */
5656
5657 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5658
5659 for (ntries = 0; ntries < 200; ntries++)
5660 {
5661 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5662 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5663 break;
5664
5665 DELAY(1000);
5666 }
5667
5668 if (ntries == 200)
5669 {
5670 printf("%s: timeout waiting for DMA engine\n",
5671 device_get_nameunit(sc->dev));
5672 return -1;
5673 }
5674
5675 DELAY(50);
5676
5677 tmp |= RT2860_REG_TX_WB_DDONE |
5678 RT2860_REG_RX_DMA_ENABLE |
5679 RT2860_REG_TX_DMA_ENABLE |
5680 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5681
5682 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5683
5684 /* set Rx filter */
5685
5686 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5687 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5688
5689 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5690 {
5691 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5692 RT2860_REG_RX_FILTER_DROP_CTS |
5693 RT2860_REG_RX_FILTER_DROP_BA |
5694 RT2860_REG_RX_FILTER_DROP_ACK |
5695 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5696 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5697 RT2860_REG_RX_FILTER_DROP_CFACK |
5698 RT2860_REG_RX_FILTER_DROP_CFEND;
5699
5700 if (ic->ic_opmode == IEEE80211_M_STA)
5701 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5702 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5703
5704 if (!(ifp->if_flags & IFF_PROMISC))
5705 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5706 }
5707
5708 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5709
5710 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5711 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5712
5713 return 0;
5714 }
5715
5716 /*
5717 * rt2860_alloc_rx_ring
5718 */
5719 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5720 struct rt2860_softc_rx_ring *ring)
5721 {
5722 struct rt2860_rxdesc *desc;
5723 struct rt2860_softc_rx_data *data;
5724 bus_dma_segment_t segs[1];
5725 int i, nsegs, error;
5726
5727 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5728 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5729 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5730 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5731 0, NULL, NULL, &ring->desc_dma_tag);
5732 if (error != 0)
5733 {
5734 printf("%s: could not create Rx desc DMA tag\n",
5735 device_get_nameunit(sc->dev));
5736 goto fail;
5737 }
5738
5739 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5740 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5741 if (error != 0)
5742 {
5743 printf("%s: could not allocate Rx desc DMA memory\n",
5744 device_get_nameunit(sc->dev));
5745 goto fail;
5746 }
5747
5748 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5749 ring->desc,
5750 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5751 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5752 if (error != 0)
5753 {
5754 printf("%s: could not load Rx desc DMA map\n",
5755 device_get_nameunit(sc->dev));
5756 goto fail;
5757 }
5758
5759 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5760 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5761 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5762 &ring->data_dma_tag);
5763 if (error != 0)
5764 {
5765 printf("%s: could not create Rx data DMA tag\n",
5766 device_get_nameunit(sc->dev));
5767 goto fail;
5768 }
5769
5770 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5771 {
5772 desc = &ring->desc[i];
5773 data = &ring->data[i];
5774
5775 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5776 if (error != 0)
5777 {
5778 printf("%s: could not create Rx data DMA map\n",
5779 device_get_nameunit(sc->dev));
5780 goto fail;
5781 }
5782
5783 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5784 if (data->m == NULL)
5785 {
5786 printf("%s: could not allocate Rx mbuf\n",
5787 device_get_nameunit(sc->dev));
5788 error = ENOMEM;
5789 goto fail;
5790 }
5791
5792 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5793
5794 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5795 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5796 if (error != 0)
5797 {
5798 printf("%s: could not load Rx mbuf DMA map\n",
5799 device_get_nameunit(sc->dev));
5800 goto fail;
5801 }
5802
5803 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5804 device_get_nameunit(sc->dev)));
5805
5806 desc->sdp0 = htole32(segs[0].ds_addr);
5807 desc->sdl0 = htole16(MJUMPAGESIZE);
5808 }
5809
5810 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5811 if (error != 0)
5812 {
5813 printf("%s: could not create Rx spare DMA map\n",
5814 device_get_nameunit(sc->dev));
5815 goto fail;
5816 }
5817
5818 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5819 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5820
5821 return 0;
5822
5823 fail:
5824
5825 rt2860_free_rx_ring(sc, ring);
5826
5827 return error;
5828 }
5829
5830 /*
5831 * rt2860_reset_rx_ring
5832 */
5833 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5834 struct rt2860_softc_rx_ring *ring)
5835 {
5836 struct rt2860_rxdesc *desc;
5837 int i;
5838
5839 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5840 {
5841 desc = &ring->desc[i];
5842
5843 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5844 }
5845
5846 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5847 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5848
5849 ring->cur = 0;
5850 }
5851
5852 /*
5853 * rt2860_free_rx_ring
5854 */
5855 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5856 struct rt2860_softc_rx_ring *ring)
5857 {
5858 struct rt2860_softc_rx_data *data;
5859 int i;
5860
5861 if (ring->desc != NULL)
5862 {
5863 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5864 BUS_DMASYNC_POSTWRITE);
5865 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5866 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5867 ring->desc_dma_map);
5868 }
5869
5870 if (ring->desc_dma_tag != NULL)
5871 bus_dma_tag_destroy(ring->desc_dma_tag);
5872
5873 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5874 {
5875 data = &ring->data[i];
5876
5877 if (data->m != NULL)
5878 {
5879 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5880 BUS_DMASYNC_POSTREAD);
5881 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5882 m_freem(data->m);
5883 }
5884
5885 if (data->dma_map != NULL)
5886 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5887 }
5888
5889 if (ring->spare_dma_map != NULL)
5890 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5891
5892 if (ring->data_dma_tag != NULL)
5893 bus_dma_tag_destroy(ring->data_dma_tag);
5894 }
5895
5896 /*
5897 * rt2860_alloc_tx_ring
5898 */
5899 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5900 struct rt2860_softc_tx_ring *ring, int qid)
5901 {
5902 struct rt2860_softc_tx_data *data;
5903 int error, i;
5904
5905 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5906 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5907 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5908 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5909 0, NULL, NULL, &ring->desc_dma_tag);
5910 if (error != 0)
5911 {
5912 printf("%s: could not create Tx desc DMA tag\n",
5913 device_get_nameunit(sc->dev));
5914 goto fail;
5915 }
5916
5917 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5918 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5919 if (error != 0)
5920 {
5921 printf("%s: could not allocate Tx desc DMA memory\n",
5922 device_get_nameunit(sc->dev));
5923 goto fail;
5924 }
5925
5926 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5927 ring->desc,
5928 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5929 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5930 if (error != 0)
5931 {
5932 printf("%s: could not load Tx desc DMA map\n",
5933 device_get_nameunit(sc->dev));
5934 goto fail;
5935 }
5936
5937 ring->desc_queued = 0;
5938 ring->desc_cur = 0;
5939 ring->desc_next = 0;
5940
5941 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5942 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5943 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5944 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5945 0, NULL, NULL, &ring->seg0_dma_tag);
5946 if (error != 0)
5947 {
5948 printf("%s: could not create Tx seg0 DMA tag\n",
5949 device_get_nameunit(sc->dev));
5950 goto fail;
5951 }
5952
5953 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5954 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5955 if (error != 0)
5956 {
5957 printf("%s: could not allocate Tx seg0 DMA memory\n",
5958 device_get_nameunit(sc->dev));
5959 goto fail;
5960 }
5961
5962 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5963 ring->seg0,
5964 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5965 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5966 if (error != 0)
5967 {
5968 printf("%s: could not load Tx seg0 DMA map\n",
5969 device_get_nameunit(sc->dev));
5970 goto fail;
5971 }
5972
5973 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5974 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5975 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5976 &ring->data_dma_tag);
5977 if (error != 0)
5978 {
5979 printf("%s: could not create Tx data DMA tag\n",
5980 device_get_nameunit(sc->dev));
5981 goto fail;
5982 }
5983
5984 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5985 {
5986 data = &ring->data[i];
5987
5988 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5989 if (error != 0)
5990 {
5991 printf("%s: could not create Tx data DMA map\n",
5992 device_get_nameunit(sc->dev));
5993 goto fail;
5994 }
5995 }
5996
5997 ring->data_queued = 0;
5998 ring->data_cur = 0;
5999 ring->data_next = 0;
6000
6001 ring->qid = qid;
6002
6003 return 0;
6004
6005 fail:
6006
6007 rt2860_free_tx_ring(sc, ring);
6008
6009 return error;
6010 }
6011
6012 /*
6013 * rt2860_reset_tx_ring
6014 */
6015 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6016 struct rt2860_softc_tx_ring *ring)
6017 {
6018 struct rt2860_softc_tx_data *data;
6019 struct rt2860_txdesc *desc;
6020 int i;
6021
6022 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6023 {
6024 desc = &ring->desc[i];
6025
6026 desc->sdl0 = 0;
6027 desc->sdl1 = 0;
6028 }
6029
6030 ring->desc_queued = 0;
6031 ring->desc_cur = 0;
6032 ring->desc_next = 0;
6033
6034 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6035 BUS_DMASYNC_PREWRITE);
6036
6037 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6038 BUS_DMASYNC_PREWRITE);
6039
6040 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6041 {
6042 data = &ring->data[i];
6043
6044 if (data->m != NULL)
6045 {
6046 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6047 BUS_DMASYNC_POSTWRITE);
6048 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6049 m_freem(data->m);
6050 data->m = NULL;
6051 }
6052
6053 if (data->ni != NULL)
6054 {
6055 ieee80211_free_node(data->ni);
6056 data->ni = NULL;
6057 }
6058 }
6059
6060 ring->data_queued = 0;
6061 ring->data_cur = 0;
6062 ring->data_next = 0;
6063 }
6064
6065 /*
6066 * rt2860_free_tx_ring
6067 */
6068 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6069 struct rt2860_softc_tx_ring *ring)
6070 {
6071 struct rt2860_softc_tx_data *data;
6072 int i;
6073
6074 if (ring->desc != NULL)
6075 {
6076 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6077 BUS_DMASYNC_POSTWRITE);
6078 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6079 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6080 ring->desc_dma_map);
6081 }
6082
6083 if (ring->desc_dma_tag != NULL)
6084 bus_dma_tag_destroy(ring->desc_dma_tag);
6085
6086 if (ring->seg0 != NULL)
6087 {
6088 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6089 BUS_DMASYNC_POSTWRITE);
6090 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6091 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6092 ring->seg0_dma_map);
6093 }
6094
6095 if (ring->seg0_dma_tag != NULL)
6096 bus_dma_tag_destroy(ring->seg0_dma_tag);
6097
6098 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6099 {
6100 data = &ring->data[i];
6101
6102 if (data->m != NULL)
6103 {
6104 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6105 BUS_DMASYNC_POSTWRITE);
6106 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6107 m_freem(data->m);
6108 }
6109
6110 if (data->ni != NULL)
6111 ieee80211_free_node(data->ni);
6112
6113 if (data->dma_map != NULL)
6114 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6115 }
6116
6117 if (ring->data_dma_tag != NULL)
6118 bus_dma_tag_destroy(ring->data_dma_tag);
6119 }
6120
6121 /*
6122 * rt2860_dma_map_addr
6123 */
6124 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6125 int nseg, int error)
6126 {
6127 if (error != 0)
6128 return;
6129
6130 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6131
6132 *(bus_addr_t *) arg = segs[0].ds_addr;
6133 }
6134
6135 /*
6136 * rt2860_sysctl_attach
6137 */
6138 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6139 {
6140 struct sysctl_ctx_list *ctx;
6141 struct sysctl_oid *tree;
6142 struct sysctl_oid *stats;
6143
6144 ctx = device_get_sysctl_ctx(sc->dev);
6145 tree = device_get_sysctl_tree(sc->dev);
6146
6147 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6148 "stats", CTLFLAG_RD, 0, "statistic");
6149
6150 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6151 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6152 "all interrupts");
6153
6154 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6155 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6156 "Tx coherent interrupts");
6157
6158 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6159 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6160 "Rx coherent interrupts");
6161
6162 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6163 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6164 "Tx/Rx coherent interrupts");
6165
6166 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6167 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6168 "FIFO statistic full interrupts");
6169
6170 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6171 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6172 "Rx interrupts");
6173
6174 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6175 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6176 "Rx delay interrupts");
6177
6178 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6179 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6180 "Tx MGMT interrupts");
6181
6182 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6183 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6184 "Tx HCCA interrupts");
6185
6186 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6187 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6188 "Tx AC3 interrupts");
6189
6190 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6191 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6192 "Tx AC2 interrupts");
6193
6194 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6195 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6196 "Tx AC1 interrupts");
6197
6198 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6199 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6200 "Tx AC0 interrupts");
6201
6202 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6203 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6204 "Tx delay interrupts");
6205
6206 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6207 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6208 "Pre-TBTT interrupts");
6209
6210 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6211 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6212 "TBTT interrupts");
6213
6214 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6215 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6216 "MCU command interrupts");
6217
6218 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6219 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6220 "auto wakeup interrupts");
6221
6222 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6223 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6224 "GP timer interrupts");
6225
6226 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6227 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6228 "Tx MGMT descriptors queued");
6229
6230 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6231 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6232 "Tx MGMT data queued");
6233
6234 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6235 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6236 "Tx HCCA descriptors queued");
6237
6238 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6239 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6240 "Tx HCCA data queued");
6241
6242 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6243 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6244 "Tx AC3 descriptors queued");
6245
6246 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6247 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6248 "Tx AC3 data queued");
6249
6250 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6251 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6252 "Tx AC2 descriptors queued");
6253
6254 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6255 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6256 "Tx AC2 data queued");
6257
6258 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6259 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6260 "Tx AC1 descriptors queued");
6261
6262 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6263 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6264 "Tx AC1 data queued");
6265
6266 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6267 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6268 "Tx AC0 descriptors queued");
6269
6270 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6271 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6272 "Tx AC0 data queued");
6273
6274 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6275 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6276 "Tx MGMT data queue full");
6277
6278 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6279 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6280 "Tx HCCA data queue full");
6281
6282 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6283 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6284 "Tx AC3 data queue full");
6285
6286 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6287 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6288 "Tx AC2 data queue full");
6289
6290 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6291 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6292 "Tx AC1 data queue full");
6293
6294 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6295 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6296 "Tx AC0 data queue full");
6297
6298 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6299 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6300 "Tx watchdog timeouts");
6301
6302 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6303 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6304 "Tx defragmented packets");
6305
6306 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6307 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6308 "no Tx descriptors available");
6309
6310 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6311 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6312 "Rx mbuf allocation errors");
6313
6314 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6315 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6316 "Rx mbuf DMA mapping errors");
6317
6318 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6319 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6320 "Tx queue 0 not empty");
6321
6322 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6323 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6324 "Tx queue 1 not empty");
6325
6326 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6327 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6328 "Tx beacons");
6329
6330 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6331 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6332 "Tx successfull without retries");
6333
6334 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6335 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6336 "Tx successfull with retries");
6337
6338 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6339 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6340 "Tx failed");
6341
6342 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6343 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6344 "Tx non-aggregated");
6345
6346 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6347 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6348 "Tx aggregated");
6349
6350 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6351 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6352 "Tx A-MPDU");
6353
6354 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6355 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6356 "Rx packets");
6357
6358 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6359 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6360 "Rx A-MPDU");
6361
6362 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6363 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6364 "Rx A-MSDU");
6365
6366 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6367 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6368 "Rx CRC errors");
6369
6370 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6371 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6372 "Rx PHY errors");
6373
6374 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6375 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6376 "Rx false CCAs");
6377
6378 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6379 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6380 "Rx PLCP errors");
6381
6382 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6383 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6384 "Rx duplicate packets");
6385
6386 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6387 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6388 "Rx FIFO overflows");
6389 }
6390
6391 static device_method_t rt2860_dev_methods[] =
6392 {
6393 DEVMETHOD(device_probe, rt2860_probe),
6394 DEVMETHOD(device_attach, rt2860_attach),
6395 DEVMETHOD(device_detach, rt2860_detach),
6396 DEVMETHOD(device_shutdown, rt2860_shutdown),
6397 DEVMETHOD(device_suspend, rt2860_suspend),
6398 DEVMETHOD(device_resume, rt2860_resume),
6399 { 0, 0 }
6400 };
6401
6402 static driver_t rt2860_driver =
6403 {
6404 "rt2860",
6405 rt2860_dev_methods,
6406 sizeof(struct rt2860_softc)
6407 };
6408
6409 static devclass_t rt2860_dev_class;
6410
6411 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6412
6413 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6414 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860