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Pairwise key table has 64 entries
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blob371176069542eebf6b438c26855e6e5c8578cc0e
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 void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
135 struct ieee80211_mimo_info *mi);
136
137 static int rt2860_setregdomain(struct ieee80211com *ic,
138 struct ieee80211_regdomain *reg,
139 int nchans, struct ieee80211_channel chans[]);
140
141 static void rt2860_getradiocaps(struct ieee80211com *ic,
142 int maxchans, int *nchans, struct ieee80211_channel chans[]);
143
144 static void rt2860_scan_start(struct ieee80211com *ic);
145
146 static void rt2860_scan_end(struct ieee80211com *ic);
147
148 static void rt2860_set_channel(struct ieee80211com *ic);
149
150 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
151
152 static void rt2860_updateslot(struct ifnet *ifp);
153
154 static void rt2860_update_promisc(struct ifnet *ifp);
155
156 static void rt2860_update_mcast(struct ifnet *ifp);
157
158 static int rt2860_wme_update(struct ieee80211com *ic);
159
160 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
161 const struct ieee80211_bpf_params *params);
162
163 static int rt2860_recv_action(struct ieee80211_node *ni,
164 const struct ieee80211_frame *wh,
165 const uint8_t *frm, const uint8_t *efrm);
166
167 static int rt2860_send_action(struct ieee80211_node *ni,
168 int cat, int act, void *sa);
169
170 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
171
172 static void rt2860_periodic(void *arg);
173
174 static void rt2860_tx_watchdog(void *arg);
175
176 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
177 const uint8_t *bssid);
178
179 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
180 const uint8_t *addr);
181
182 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
183
184 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
185
186 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
187
188 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
189
190 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
191
192 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
193
194 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
195
196 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
197
198 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
199
200 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
201
202 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
203
204 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
205 struct ieee80211vap *vap);
206
207 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
208
209 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
210 struct ieee80211vap *vap);
211
212 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
213
214 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
215 const struct rt2860_rxwi *rxwi);
216
217 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
218 uint8_t rssi, uint8_t rxpath);
219
220 static uint8_t rt2860_rate2mcs(uint8_t rate);
221
222 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
223 struct mbuf *m, struct ieee80211_node *ni, int qid);
224
225 static int rt2860_tx_data(struct rt2860_softc *sc,
226 struct mbuf *m, struct ieee80211_node *ni, int qid);
227
228 static int rt2860_tx_raw(struct rt2860_softc *sc,
229 struct mbuf *m, struct ieee80211_node *ni,
230 const struct ieee80211_bpf_params *params);
231
232 static void rt2860_intr(void *arg);
233
234 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
235
236 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
237
238 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
239
240 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
241
242 static void rt2860_rx_intr(struct rt2860_softc *sc);
243
244 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
245
246 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
247
248 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
249
250 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
251
252 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
253
254 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
255
256 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
257
258 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
259
260 static void rt2860_rx_done_task(void *context, int pending);
261
262 static void rt2860_tx_done_task(void *context, int pending);
263
264 static void rt2860_fifo_sta_full_task(void *context, int pending);
265
266 static void rt2860_periodic_task(void *context, int pending);
267
268 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
269
270 static void rt2860_tx_eof(struct rt2860_softc *sc,
271 struct rt2860_softc_tx_ring *ring);
272
273 static void rt2860_update_stats(struct rt2860_softc *sc);
274
275 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
276
277 static void rt2860_watchdog(struct rt2860_softc *sc);
278
279 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
280
281 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
282
283 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
284
285 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
286
287 static int rt2860_txrx_enable(struct rt2860_softc *sc);
288
289 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
290 struct rt2860_softc_rx_ring *ring);
291
292 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
293 struct rt2860_softc_rx_ring *ring);
294
295 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
296 struct rt2860_softc_rx_ring *ring);
297
298 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
299 struct rt2860_softc_tx_ring *ring, int qid);
300
301 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
302 struct rt2860_softc_tx_ring *ring);
303
304 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
305 struct rt2860_softc_tx_ring *ring);
306
307 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
308 int nseg, int error);
309
310 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
311
312 /*
313 * Static variables
314 */
315
316 static const struct rt2860_pci_ident rt2860_pci_ids[] =
317 {
318 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
319 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
320 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
321 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
322 { 0, 0, NULL }
323 };
324
325 static const struct
326 {
327 uint32_t reg;
328 uint32_t val;
329 } rt2860_def_mac[] =
330 {
331 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
332 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
333 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
334 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
335 { RT2860_REG_SYS_CTRL, 0x00000000 },
336 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
337 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
338 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
339 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
340 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
341 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
342 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
343 { RT2860_REG_LED_CFG, 0x7f031e46 },
344 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
345 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
346 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
347 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
348 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
349 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
350 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
351 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
352 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
353 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
354 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
355 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
356 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
357 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
358 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
359 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
360 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
361 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
362 };
363
364 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
365
366 static const struct
367 {
368 uint8_t reg;
369 uint8_t val;
370 } rt2860_def_bbp[] =
371 {
372 { 65, 0x2c },
373 { 66, 0x38 },
374 { 69, 0x12 },
375 { 70, 0x0a },
376 { 73, 0x10 },
377 { 81, 0x37 },
378 { 82, 0x62 },
379 { 83, 0x6a },
380 { 84, 0x99 },
381 { 86, 0x00 },
382 { 91, 0x04 },
383 { 92, 0x00 },
384 { 103, 0x00 },
385 { 105, 0x05 },
386 { 106, 0x35 },
387 };
388
389 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
390
391 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
392
393 #ifdef RT2860_DEBUG
394 static int rt2860_debug = 0;
395 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
396 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
397 #endif
398
399 /*
400 * rt2860_probe
401 */
402 static int rt2860_probe(device_t dev)
403 {
404 const struct rt2860_pci_ident *ident;
405
406 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
407 {
408 if (pci_get_vendor(dev) == ident->vendor &&
409 pci_get_device(dev) == ident->device)
410 {
411 device_set_desc(dev, ident->name);
412 return 0;
413 }
414 }
415
416 return ENXIO;
417 }
418
419 /*
420 * rt2860_attach
421 */
422 static int rt2860_attach(device_t dev)
423 {
424 struct rt2860_softc *sc;
425 struct ifnet *ifp;
426 struct ieee80211com *ic;
427 int error, ntries, i;
428
429 sc = device_get_softc(dev);
430
431 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
432 {
433 printf("%s: chip is in D%d power mode, setting to D0\n",
434 device_get_nameunit(dev), pci_get_powerstate(dev));
435 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
436 }
437
438 /* enable bus-mastering */
439
440 pci_enable_busmaster(dev);
441
442 sc->dev = dev;
443
444 mtx_init(&sc->lock, device_get_nameunit(dev),
445 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
446
447 sc->mem_rid = PCIR_BAR(0);
448 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
449 &sc->mem_rid, RF_ACTIVE);
450 if (sc->mem == NULL)
451 {
452 printf("%s: could not allocate memory resource\n",
453 device_get_nameunit(dev));
454 error = ENXIO;
455 goto fail;
456 }
457
458 sc->bst = rman_get_bustag(sc->mem);
459 sc->bsh = rman_get_bushandle(sc->mem);
460
461 sc->irq_rid = 0;
462 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
463 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
464 if (sc->irq == NULL)
465 {
466 printf("%s: could not allocate interrupt resource\n",
467 device_get_nameunit(dev));
468 error = ENXIO;
469 goto fail;
470 }
471
472 #ifdef RT2860_DEBUG
473 sc->debug = rt2860_debug;
474
475 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
476 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
477 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
478 #endif
479
480 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
481 "%s: attaching\n",
482 device_get_nameunit(sc->dev));
483
484 /* wait for NIC to initialize */
485
486 for (ntries = 0; ntries < 100; ntries++)
487 {
488 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
489 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
490 break;
491
492 DELAY(10);
493 }
494
495 if (ntries == 100)
496 {
497 printf("%s: timeout waiting for NIC to initialize\n",
498 device_get_nameunit(dev));
499 error = EIO;
500 goto fail;
501 }
502
503 rt2860_read_eeprom(sc);
504
505 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
506 device_get_nameunit(sc->dev), sc->mac_rev,
507 rt2860_rf_name(sc->rf_rev));
508
509 /* allocate Tx and Rx rings */
510
511 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
512 {
513 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
514 if (error != 0)
515 {
516 printf("%s: could not allocate Tx ring #%d\n",
517 device_get_nameunit(sc->dev), i);
518 goto fail;
519 }
520 }
521
522 sc->tx_ring_mgtqid = 5;
523
524 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
525 if (error != 0)
526 {
527 printf("%s: could not allocate Rx ring\n",
528 device_get_nameunit(sc->dev));
529 goto fail;
530 }
531
532 callout_init(&sc->periodic_ch, 0);
533 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
534
535 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
536 if (ifp == NULL)
537 {
538 printf("%s: could not if_alloc()\n",
539 device_get_nameunit(sc->dev));
540 error = ENOMEM;
541 goto fail;
542 }
543
544 ifp->if_softc = sc;
545
546 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
547
548 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
549
550 ifp->if_init = rt2860_init;
551 ifp->if_ioctl = rt2860_ioctl;
552 ifp->if_start = rt2860_start;
553
554 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
555 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
556 IFQ_SET_READY(&ifp->if_snd);
557
558 ic = ifp->if_l2com;
559
560 ic->ic_ifp = ifp;
561
562 ic->ic_phytype = IEEE80211_T_HT;
563 ic->ic_opmode = IEEE80211_M_STA;
564
565 ic->ic_caps = IEEE80211_C_MONITOR |
566 IEEE80211_C_IBSS |
567 IEEE80211_C_STA |
568 IEEE80211_C_AHDEMO |
569 IEEE80211_C_HOSTAP |
570 IEEE80211_C_WDS |
571 IEEE80211_C_MBSS |
572 IEEE80211_C_BGSCAN |
573 IEEE80211_C_TXPMGT |
574 IEEE80211_C_SHPREAMBLE |
575 IEEE80211_C_SHSLOT |
576 IEEE80211_C_TXFRAG |
577 IEEE80211_C_BURST |
578 IEEE80211_C_WME |
579 IEEE80211_C_WPA;
580
581 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
582 IEEE80211_CRYPTO_TKIP |
583 IEEE80211_CRYPTO_TKIPMIC |
584 IEEE80211_CRYPTO_AES_CCM;
585
586 ic->ic_htcaps = IEEE80211_HTC_HT |
587 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
588 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
589 IEEE80211_HTC_SMPS | /* MIMO power save */
590 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
591 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
592 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
593 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
594 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
595 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
596
597 /* spatial streams */
598
599 if (sc->nrxpath == 2)
600 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
601 else if (sc->nrxpath == 3)
602 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
603 else
604 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
605
606 if (sc->ntxpath > 1)
607 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
608
609 /* delayed BA */
610
611 if (sc->mac_rev != 0x28600100)
612 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
613
614 /* init channels */
615
616 ic->ic_nchans = 0;
617
618 rt2860_init_channels(sc);
619
620 rt2860_init_channels_ht40(sc);
621
622 ieee80211_ifattach(ic, sc->mac_addr);
623
624 ic->ic_vap_create = rt2860_vap_create;
625 ic->ic_vap_delete = rt2860_vap_delete;
626
627 ic->ic_node_alloc = rt2860_node_alloc;
628 ic->ic_node_getmimoinfo = rt2860_node_getmimoinfo;
629 ic->ic_setregdomain = rt2860_setregdomain;
630 ic->ic_getradiocaps = rt2860_getradiocaps;
631 ic->ic_scan_start = rt2860_scan_start;
632 ic->ic_scan_end = rt2860_scan_end;
633 ic->ic_set_channel = rt2860_set_channel;
634 ic->ic_newassoc = rt2860_newassoc;
635 ic->ic_updateslot = rt2860_updateslot;
636 ic->ic_update_promisc = rt2860_update_promisc;
637 ic->ic_update_mcast = rt2860_update_mcast;
638 ic->ic_wme.wme_update = rt2860_wme_update;
639 ic->ic_raw_xmit = rt2860_raw_xmit;
640
641 sc->recv_action = ic->ic_recv_action;
642 ic->ic_recv_action = rt2860_recv_action;
643
644 sc->send_action = ic->ic_send_action;
645 ic->ic_send_action = rt2860_send_action;
646
647 /* hardware requires padding between 802.11 frame header and body */
648
649 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
650
651 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
652
653 ieee80211_radiotap_attach(ic,
654 &sc->txtap.ihdr, sizeof(sc->txtap),
655 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
656 &sc->rxtap.ihdr, sizeof(sc->rxtap),
657 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
658
659 /* init task queue */
660
661 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
662 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
663 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
664 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
665
666 sc->rx_process_limit = 100;
667
668 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
669 taskqueue_thread_enqueue, &sc->taskqueue);
670
671 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
672 device_get_nameunit(sc->dev));
673
674 rt2860_sysctl_attach(sc);
675
676 if (bootverbose)
677 ieee80211_announce(ic);
678
679 /* set up interrupt */
680
681 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
682 NULL, rt2860_intr, sc, &sc->irqh);
683 if (error != 0)
684 {
685 printf("%s: could not set up interrupt\n",
686 device_get_nameunit(dev));
687 goto fail;
688 }
689
690 return 0;
691
692 fail:
693
694 /* free Tx and Rx rings */
695
696 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
697 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
698
699 rt2860_free_rx_ring(sc, &sc->rx_ring);
700
701 mtx_destroy(&sc->lock);
702
703 if (sc->mem != NULL)
704 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
705
706 if (sc->irq != NULL)
707 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
708
709 return error;
710 }
711
712 /*
713 * rt2860_detach
714 */
715 static int rt2860_detach(device_t dev)
716 {
717 struct rt2860_softc *sc;
718 struct ifnet *ifp;
719 struct ieee80211com *ic;
720 int i;
721
722 sc = device_get_softc(dev);
723 ifp = sc->ifp;
724 ic = ifp->if_l2com;
725
726 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
727 "%s: detaching\n",
728 device_get_nameunit(sc->dev));
729
730 RT2860_SOFTC_LOCK(sc);
731
732 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
733
734 callout_stop(&sc->periodic_ch);
735 callout_stop(&sc->tx_watchdog_ch);
736
737 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
738 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
739 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
740 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
741
742 /* free Tx and Rx rings */
743
744 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
745 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
746
747 rt2860_free_rx_ring(sc, &sc->rx_ring);
748
749 RT2860_SOFTC_UNLOCK(sc);
750
751 ieee80211_ifdetach(ic);
752
753 if_free(ifp);
754
755 taskqueue_free(sc->taskqueue);
756
757 mtx_destroy(&sc->lock);
758
759 bus_generic_detach(dev);
760
761 bus_teardown_intr(dev, sc->irq, sc->irqh);
762
763 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
764
765 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
766
767 return 0;
768 }
769
770 /*
771 * rt2860_shutdown
772 */
773 static int rt2860_shutdown(device_t dev)
774 {
775 struct rt2860_softc *sc;
776
777 sc = device_get_softc(dev);
778
779 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
780 "%s: shutting down\n",
781 device_get_nameunit(sc->dev));
782
783 rt2860_stop(sc);
784
785 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
786
787 return 0;
788 }
789
790 /*
791 * rt2860_suspend
792 */
793 static int rt2860_suspend(device_t dev)
794 {
795 struct rt2860_softc *sc;
796
797 sc = device_get_softc(dev);
798
799 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
800 "%s: suspending\n",
801 device_get_nameunit(sc->dev));
802
803 rt2860_stop(sc);
804
805 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
806
807 return 0;
808 }
809
810 /*
811 * rt2860_resume
812 */
813 static int rt2860_resume(device_t dev)
814 {
815 struct rt2860_softc *sc;
816 struct ifnet *ifp;
817
818 sc = device_get_softc(dev);
819 ifp = sc->ifp;
820
821 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
822 "%s: resuming\n",
823 device_get_nameunit(sc->dev));
824
825 if (ifp->if_flags & IFF_UP)
826 rt2860_init(sc);
827
828 return 0;
829 }
830
831 /*
832 * rt2860_init_channels
833 */
834 static void rt2860_init_channels(struct rt2860_softc *sc)
835 {
836 struct ifnet *ifp;
837 struct ieee80211com *ic;
838 struct ieee80211_channel *c;
839 int i, flags;
840
841 ifp = sc->ifp;
842 ic = ifp->if_l2com;
843
844 /* set supported channels for 2GHz band */
845
846 for (i = 1; i <= 14; i++)
847 {
848 c = &ic->ic_channels[ic->ic_nchans++];
849 flags = IEEE80211_CHAN_B;
850
851 c->ic_freq = ieee80211_ieee2mhz(i, flags);
852 c->ic_ieee = i;
853 c->ic_flags = flags;
854
855 c = &ic->ic_channels[ic->ic_nchans++];
856 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
857
858 c->ic_freq = ieee80211_ieee2mhz(i, flags);
859 c->ic_ieee = i;
860 c->ic_flags = flags;
861
862 c = &ic->ic_channels[ic->ic_nchans++];
863 flags = IEEE80211_CHAN_G;
864
865 c->ic_freq = ieee80211_ieee2mhz(i, flags);
866 c->ic_ieee = i;
867 c->ic_flags = flags;
868
869 c = &ic->ic_channels[ic->ic_nchans++];
870 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
871
872 c->ic_freq = ieee80211_ieee2mhz(i, flags);
873 c->ic_ieee = i;
874 c->ic_flags = flags;
875 }
876
877 /* set supported channels for 5GHz band */
878
879 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
880 sc->rf_rev == RT2860_EEPROM_RF_2750)
881 {
882 for (i = 36; i <= 64; i += 4)
883 {
884 c = &ic->ic_channels[ic->ic_nchans++];
885 flags = IEEE80211_CHAN_A;
886
887 c->ic_freq = ieee80211_ieee2mhz(i, flags);
888 c->ic_ieee = i;
889 c->ic_flags = flags;
890
891 c = &ic->ic_channels[ic->ic_nchans++];
892 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
893
894 c->ic_freq = ieee80211_ieee2mhz(i, flags);
895 c->ic_ieee = i;
896 c->ic_flags = flags;
897 }
898
899 for (i = 100; i <= 140; i += 4)
900 {
901 c = &ic->ic_channels[ic->ic_nchans++];
902 flags = IEEE80211_CHAN_A;
903
904 c->ic_freq = ieee80211_ieee2mhz(i, flags);
905 c->ic_ieee = i;
906 c->ic_flags = flags;
907
908 c = &ic->ic_channels[ic->ic_nchans++];
909 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
910
911 c->ic_freq = ieee80211_ieee2mhz(i, flags);
912 c->ic_ieee = i;
913 c->ic_flags = flags;
914 }
915
916 for (i = 149; i <= 165; i += 4)
917 {
918 c = &ic->ic_channels[ic->ic_nchans++];
919 flags = IEEE80211_CHAN_A;
920
921 c->ic_freq = ieee80211_ieee2mhz(i, flags);
922 c->ic_ieee = i;
923 c->ic_flags = flags;
924
925 c = &ic->ic_channels[ic->ic_nchans++];
926 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
927
928 c->ic_freq = ieee80211_ieee2mhz(i, flags);
929 c->ic_ieee = i;
930 c->ic_flags = flags;
931 }
932 }
933 }
934
935 /*
936 * rt2860_init_channels_ht40
937 */
938 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
939 {
940 struct ifnet *ifp;
941 struct ieee80211com *ic;
942 struct ieee80211_channel *c, *cent, *ext;
943 int i, flags;
944
945 ifp = sc->ifp;
946 ic = ifp->if_l2com;
947
948 /* set supported channels for 2GHz band */
949
950 for (i = 1; i <= 14; i++)
951 {
952 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
953
954 /* find the center channel */
955
956 cent = ieee80211_find_channel_byieee(ic, i,
957 flags & ~IEEE80211_CHAN_HT);
958 if (cent == NULL)
959 {
960 printf("%s: skip channel %d, could not find center channel\n",
961 device_get_nameunit(sc->dev), i);
962 continue;
963 }
964
965 /* find the extension channel */
966
967 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
968 flags & ~IEEE80211_CHAN_HT);
969 if (ext == NULL)
970 {
971 printf("%s: skip channel %d, could not find extension channel\n",
972 device_get_nameunit(sc->dev), i);
973 continue;
974 }
975
976 c = &ic->ic_channels[ic->ic_nchans++];
977
978 *c = *cent;
979 c->ic_extieee = ext->ic_ieee;
980 c->ic_flags &= ~IEEE80211_CHAN_HT;
981 c->ic_flags |= IEEE80211_CHAN_HT40U;
982
983 c = &ic->ic_channels[ic->ic_nchans++];
984
985 *c = *ext;
986 c->ic_extieee = cent->ic_ieee;
987 c->ic_flags &= ~IEEE80211_CHAN_HT;
988 c->ic_flags |= IEEE80211_CHAN_HT40D;
989 }
990
991 /* set supported channels for 5GHz band */
992
993 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
994 sc->rf_rev == RT2860_EEPROM_RF_2750)
995 {
996 for (i = 36; i <= 64; i += 4)
997 {
998 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
999
1000 /* find the center channel */
1001
1002 cent = ieee80211_find_channel_byieee(ic, i,
1003 flags & ~IEEE80211_CHAN_HT);
1004 if (cent == NULL)
1005 {
1006 printf("%s: skip channel %d, could not find center channel\n",
1007 device_get_nameunit(sc->dev), i);
1008 continue;
1009 }
1010
1011 /* find the extension channel */
1012
1013 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1014 flags & ~IEEE80211_CHAN_HT);
1015 if (ext == NULL)
1016 {
1017 printf("%s: skip channel %d, could not find extension channel\n",
1018 device_get_nameunit(sc->dev), i);
1019 continue;
1020 }
1021
1022 c = &ic->ic_channels[ic->ic_nchans++];
1023
1024 *c = *cent;
1025 c->ic_extieee = ext->ic_ieee;
1026 c->ic_flags &= ~IEEE80211_CHAN_HT;
1027 c->ic_flags |= IEEE80211_CHAN_HT40U;
1028
1029 c = &ic->ic_channels[ic->ic_nchans++];
1030
1031 *c = *ext;
1032 c->ic_extieee = cent->ic_ieee;
1033 c->ic_flags &= ~IEEE80211_CHAN_HT;
1034 c->ic_flags |= IEEE80211_CHAN_HT40D;
1035 }
1036
1037 for (i = 100; i <= 140; i += 4)
1038 {
1039 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1040
1041 /* find the center channel */
1042
1043 cent = ieee80211_find_channel_byieee(ic, i,
1044 flags & ~IEEE80211_CHAN_HT);
1045 if (cent == NULL)
1046 {
1047 printf("%s: skip channel %d, could not find center channel\n",
1048 device_get_nameunit(sc->dev), i);
1049 continue;
1050 }
1051
1052 /* find the extension channel */
1053
1054 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1055 flags & ~IEEE80211_CHAN_HT);
1056 if (ext == NULL)
1057 {
1058 printf("%s: skip channel %d, could not find extension channel\n",
1059 device_get_nameunit(sc->dev), i);
1060 continue;
1061 }
1062
1063 c = &ic->ic_channels[ic->ic_nchans++];
1064
1065 *c = *cent;
1066 c->ic_extieee = ext->ic_ieee;
1067 c->ic_flags &= ~IEEE80211_CHAN_HT;
1068 c->ic_flags |= IEEE80211_CHAN_HT40U;
1069
1070 c = &ic->ic_channels[ic->ic_nchans++];
1071
1072 *c = *ext;
1073 c->ic_extieee = cent->ic_ieee;
1074 c->ic_flags &= ~IEEE80211_CHAN_HT;
1075 c->ic_flags |= IEEE80211_CHAN_HT40D;
1076 }
1077
1078 for (i = 149; i <= 165; i += 4)
1079 {
1080 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1081
1082 /* find the center channel */
1083
1084 cent = ieee80211_find_channel_byieee(ic, i,
1085 flags & ~IEEE80211_CHAN_HT);
1086 if (cent == NULL)
1087 {
1088 printf("%s: skip channel %d, could not find center channel\n",
1089 device_get_nameunit(sc->dev), i);
1090 continue;
1091 }
1092
1093 /* find the extension channel */
1094
1095 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1096 flags & ~IEEE80211_CHAN_HT);
1097 if (ext == NULL)
1098 {
1099 printf("%s: skip channel %d, could not find extension channel\n",
1100 device_get_nameunit(sc->dev), i);
1101 continue;
1102 }
1103
1104 c = &ic->ic_channels[ic->ic_nchans++];
1105
1106 *c = *cent;
1107 c->ic_extieee = ext->ic_ieee;
1108 c->ic_flags &= ~IEEE80211_CHAN_HT;
1109 c->ic_flags |= IEEE80211_CHAN_HT40U;
1110
1111 c = &ic->ic_channels[ic->ic_nchans++];
1112
1113 *c = *ext;
1114 c->ic_extieee = cent->ic_ieee;
1115 c->ic_flags &= ~IEEE80211_CHAN_HT;
1116 c->ic_flags |= IEEE80211_CHAN_HT40D;
1117 }
1118 }
1119 }
1120
1121 /*
1122 * rt2860_init_locked
1123 */
1124 static void rt2860_init_locked(void *priv)
1125 {
1126 struct rt2860_softc *sc;
1127 struct ifnet *ifp;
1128 struct ieee80211com *ic;
1129 int error, i, ntries;
1130 uint32_t tmp, stacnt[6];
1131
1132 sc = priv;
1133 ifp = sc->ifp;
1134 ic = ifp->if_l2com;
1135
1136 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1137 "%s: initializing\n",
1138 device_get_nameunit(sc->dev));
1139
1140 RT2860_SOFTC_ASSERT_LOCKED(sc);
1141
1142 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1143 {
1144 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1145 "%s: loading 8051 microcode\n",
1146 device_get_nameunit(sc->dev));
1147
1148 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1149 if (error != 0)
1150 {
1151 printf("%s: could not load 8051 microcode\n",
1152 device_get_nameunit(sc->dev));
1153 goto fail;
1154 }
1155
1156 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1157 "%s: 8051 microcode was successfully loaded\n",
1158 device_get_nameunit(sc->dev));
1159
1160 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1161 }
1162
1163 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1164
1165 /* disable DMA engine */
1166
1167 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1168
1169 tmp &= 0xff0;
1170 tmp |= RT2860_REG_TX_WB_DDONE;
1171
1172 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1173
1174 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1175
1176 /* PBF hardware reset */
1177
1178 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1179 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1180
1181 /* wait while DMA engine is busy */
1182
1183 for (ntries = 0; ntries < 100; ntries++)
1184 {
1185 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1186 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1187 break;
1188
1189 DELAY(1000);
1190 }
1191
1192 if (ntries == 100)
1193 {
1194 printf("%s: timeout waiting for DMA engine\n",
1195 device_get_nameunit(sc->dev));
1196 goto fail;
1197 }
1198
1199 tmp &= 0xff0;
1200 tmp |= RT2860_REG_TX_WB_DDONE;
1201
1202 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1203
1204 /* reset Rx and Tx rings */
1205
1206 tmp = RT2860_REG_RST_IDX_RX |
1207 RT2860_REG_RST_IDX_TX_MGMT |
1208 RT2860_REG_RST_IDX_TX_HCCA |
1209 RT2860_REG_RST_IDX_TX_AC3 |
1210 RT2860_REG_RST_IDX_TX_AC2 |
1211 RT2860_REG_RST_IDX_TX_AC1 |
1212 RT2860_REG_RST_IDX_TX_AC0;
1213
1214 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1215
1216 /* PBF hardware reset */
1217
1218 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1219 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1220
1221 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1222
1223 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1224 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1225 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1226
1227 /* init Tx power per rate */
1228
1229 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1230 {
1231 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1232 continue;
1233
1234 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1235 sc->txpow_rate_20mhz[i]);
1236 }
1237
1238 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1239 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1240 rt2860_def_mac[i].val);
1241
1242 /* wait while MAC is busy */
1243
1244 for (ntries = 0; ntries < 100; ntries++)
1245 {
1246 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1247 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1248 break;
1249
1250 DELAY(1000);
1251 }
1252
1253 if (ntries == 100)
1254 {
1255 printf("%s: timeout waiting for MAC\n",
1256 device_get_nameunit(sc->dev));
1257 goto fail;
1258 }
1259
1260 /* clear Host to MCU mailbox */
1261
1262 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1263 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1264
1265 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1266 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1267
1268 DELAY(1000);
1269
1270 error = rt2860_init_bbp(sc);
1271 if (error != 0)
1272 goto fail;
1273
1274 /* set up maximum buffer sizes */
1275
1276 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1277
1278 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1279
1280 if (sc->mac_rev == 0x28720200)
1281 {
1282 /* set max. PSDU length from 16K to 32K bytes */
1283
1284 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1285
1286 tmp &= ~(3 << 12);
1287 tmp |= (2 << 12);
1288
1289 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1290 }
1291
1292 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1293 {
1294 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1295
1296 tmp &= 0xfff;
1297 tmp |= 0x2000;
1298
1299 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1300 }
1301
1302 /* set mac address */
1303
1304 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1305
1306 /* clear statistic registers */
1307
1308 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1309 stacnt, sizeof(stacnt));
1310
1311 /* set RTS threshold */
1312
1313 rt2860_asic_update_rtsthreshold(sc);
1314
1315 /* set Tx power */
1316
1317 rt2860_asic_update_txpower(sc);
1318
1319 /* set up protection mode */
1320
1321 sc->tx_ampdu_sessions = 0;
1322
1323 rt2860_asic_updateprot(sc);
1324
1325 /* clear beacon frame space (entries = 8, entry size = 512) */
1326
1327 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1328
1329 taskqueue_unblock(sc->taskqueue);
1330
1331 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1332
1333 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1334 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1335
1336 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1337 {
1338 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1339 sc->tx_ring[i].desc_phys_addr);
1340 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1341 RT2860_SOFTC_TX_RING_DESC_COUNT);
1342 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1343 }
1344
1345 /* init Rx ring */
1346
1347 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1348
1349 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1350 sc->rx_ring.desc_phys_addr);
1351 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1352 RT2860_SOFTC_RX_RING_DATA_COUNT);
1353 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1354 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1355
1356 /* wait while DMA engine is busy */
1357
1358 for (ntries = 0; ntries < 100; ntries++)
1359 {
1360 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1361 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1362 break;
1363
1364 DELAY(1000);
1365 }
1366
1367 if (ntries == 100)
1368 {
1369 printf("%s: timeout waiting for DMA engine\n",
1370 device_get_nameunit(sc->dev));
1371 goto fail;
1372 }
1373
1374 tmp &= 0xff0;
1375 tmp |= RT2860_REG_TX_WB_DDONE;
1376
1377 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1378
1379 /* disable interrupts mitigation */
1380
1381 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1382
1383 /* send LEDs operating mode to microcontroller */
1384
1385 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1386 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1387 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1388 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1389 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1390 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1391
1392 /* turn radio LED on */
1393
1394 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1395
1396 /* write vendor-specific BBP values (from EEPROM) */
1397
1398 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1399 {
1400 if (sc->bbp_eeprom[i].reg == 0x00 ||
1401 sc->bbp_eeprom[i].reg == 0xff)
1402 continue;
1403
1404 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1405 sc->bbp_eeprom[i].val);
1406 }
1407
1408 /*
1409 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1410 if (tmp & (1 << 2))
1411 {
1412 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1413 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1414 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1415
1416 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1417 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1418 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1419 }
1420 */
1421
1422 /* disable non-existing Rx chains */
1423
1424 tmp = rt2860_io_bbp_read(sc, 3);
1425
1426 tmp &= ~((1 << 4) | (1 << 3));
1427
1428 if (sc->nrxpath == 3)
1429 tmp |= (1 << 4);
1430 else if (sc->nrxpath == 2)
1431 tmp |= (1 << 3);
1432
1433 rt2860_io_bbp_write(sc, 3, tmp);
1434
1435 /* disable non-existing Tx chains */
1436
1437 tmp = rt2860_io_bbp_read(sc, 1);
1438
1439 tmp &= ~((1 << 4) | (1 << 3));
1440
1441 if (sc->ntxpath == 2)
1442 tmp |= (1 << 4);
1443
1444 rt2860_io_bbp_write(sc, 1, tmp);
1445
1446 /* set current channel */
1447
1448 rt2860_rf_set_chan(sc, ic->ic_curchan);
1449
1450 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1451 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1452 (48 << 16) | 96);
1453
1454 if ((sc->mac_rev & 0xffff) != 0x0101)
1455 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1456
1457 /* clear pending interrupts */
1458
1459 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1460
1461 /* enable interrupts */
1462
1463 tmp = RT2860_REG_INT_TX_COHERENT |
1464 RT2860_REG_INT_RX_COHERENT |
1465 RT2860_REG_INT_GP_TIMER |
1466 RT2860_REG_INT_AUTO_WAKEUP |
1467 RT2860_REG_INT_FIFO_STA_FULL |
1468 /*
1469 RT2860_REG_INT_PRE_TBTT |
1470 RT2860_REG_INT_TBTT |
1471 */
1472 RT2860_REG_INT_TXRX_COHERENT |
1473 RT2860_REG_INT_MCU_CMD |
1474 RT2860_REG_INT_TX_MGMT_DONE |
1475 RT2860_REG_INT_TX_HCCA_DONE |
1476 RT2860_REG_INT_TX_AC3_DONE |
1477 RT2860_REG_INT_TX_AC2_DONE |
1478 RT2860_REG_INT_TX_AC1_DONE |
1479 RT2860_REG_INT_TX_AC0_DONE |
1480 RT2860_REG_INT_RX_DONE;
1481
1482 sc->intr_enable_mask = tmp;
1483
1484 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1485
1486 if (rt2860_txrx_enable(sc) != 0)
1487 goto fail;
1488
1489 /* clear garbage interrupts */
1490
1491 tmp = rt2860_io_mac_read(sc, 0x1300);
1492
1493 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1494 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1495
1496 sc->periodic_round = 0;
1497
1498 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1499
1500 return;
1501
1502 fail:
1503
1504 rt2860_stop_locked(sc);
1505 }
1506
1507 /*
1508 * rt2860_init
1509 */
1510 static void rt2860_init(void *priv)
1511 {
1512 struct rt2860_softc *sc;
1513
1514 sc = priv;
1515
1516 RT2860_SOFTC_LOCK(sc);
1517
1518 rt2860_init_locked(sc);
1519
1520 RT2860_SOFTC_UNLOCK(sc);
1521 }
1522
1523 /*
1524 * rt2860_init_bbp
1525 */
1526 static int rt2860_init_bbp(struct rt2860_softc *sc)
1527 {
1528 int ntries, i;
1529 uint8_t tmp;
1530
1531 for (ntries = 0; ntries < 20; ntries++)
1532 {
1533 tmp = rt2860_io_bbp_read(sc, 0);
1534 if (tmp != 0x00 && tmp != 0xff)
1535 break;
1536 }
1537
1538 if (tmp == 0x00 || tmp == 0xff)
1539 {
1540 printf("%s: timeout waiting for BBP to wakeup\n",
1541 device_get_nameunit(sc->dev));
1542 return ETIMEDOUT;
1543 }
1544
1545 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1546 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1547 rt2860_def_bbp[i].val);
1548
1549 if ((sc->mac_rev & 0xffff) != 0x0101)
1550 rt2860_io_bbp_write(sc, 84, 0x19);
1551
1552 if (sc->mac_rev == 0x28600100)
1553 {
1554 rt2860_io_bbp_write(sc, 69, 0x16);
1555 rt2860_io_bbp_write(sc, 73, 0x12);
1556 }
1557
1558 return 0;
1559 }
1560
1561 /*
1562 * rt2860_stop_locked
1563 */
1564 static void rt2860_stop_locked(void *priv)
1565 {
1566 struct rt2860_softc *sc;
1567 struct ifnet *ifp;
1568 struct ieee80211com *ic;
1569 uint32_t tmp;
1570
1571 sc = priv;
1572 ifp = sc->ifp;
1573 ic = ifp->if_l2com;
1574
1575 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1576 "%s: stopping\n",
1577 device_get_nameunit(sc->dev));
1578
1579 RT2860_SOFTC_ASSERT_LOCKED(sc);
1580
1581 sc->tx_timer = 0;
1582
1583 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1584 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1585
1586 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1587
1588 callout_stop(&sc->periodic_ch);
1589 callout_stop(&sc->tx_watchdog_ch);
1590
1591 RT2860_SOFTC_UNLOCK(sc);
1592
1593 taskqueue_block(sc->taskqueue);
1594
1595 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1596 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1597 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1598 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1599
1600 RT2860_SOFTC_LOCK(sc);
1601
1602 /* clear key tables */
1603
1604 rt2860_asic_clear_keytables(sc);
1605
1606 /* disable interrupts */
1607
1608 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1609
1610 /* disable Tx/Rx */
1611
1612 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1613
1614 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1615
1616 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1617
1618 /* reset adapter */
1619
1620 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1621 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1622 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1623 }
1624
1625 /*
1626 * rt2860_stop
1627 */
1628 static void rt2860_stop(void *priv)
1629 {
1630 struct rt2860_softc *sc;
1631
1632 sc = priv;
1633
1634 RT2860_SOFTC_LOCK(sc);
1635
1636 rt2860_stop_locked(sc);
1637
1638 RT2860_SOFTC_UNLOCK(sc);
1639 }
1640
1641 /*
1642 * rt2860_start
1643 */
1644 static void rt2860_start(struct ifnet *ifp)
1645 {
1646 struct rt2860_softc *sc;
1647 struct ieee80211_node *ni;
1648 struct mbuf *m;
1649 int qid;
1650
1651 sc = ifp->if_softc;
1652
1653 RT2860_SOFTC_LOCK(sc);
1654
1655 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1656 {
1657 RT2860_SOFTC_UNLOCK(sc);
1658 return;
1659 }
1660
1661 for (;;)
1662 {
1663 IF_POLL(&ifp->if_snd, m);
1664 if (m == NULL)
1665 break;
1666
1667 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1668
1669 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1670
1671 qid = M_WME_GETAC(m);
1672
1673 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1674 {
1675 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1676 "%s: if_start: Tx ring with qid=%d is full\n",
1677 device_get_nameunit(sc->dev), qid);
1678
1679 m_freem(m);
1680 ieee80211_free_node(ni);
1681
1682 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1683 ifp->if_oerrors++;
1684
1685 sc->tx_data_queue_full[qid]++;
1686
1687 break;
1688 }
1689
1690 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1691 {
1692 ieee80211_free_node(ni);
1693
1694 ifp->if_oerrors++;
1695
1696 break;
1697 }
1698
1699 rt2860_drain_fifo_stats(sc);
1700
1701 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1702
1703 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1704 }
1705
1706 RT2860_SOFTC_UNLOCK(sc);
1707 }
1708
1709 /*
1710 * rt2860_ioctl
1711 */
1712 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1713 {
1714 struct rt2860_softc *sc;
1715 struct ieee80211com *ic;
1716 struct ifreq *ifr;
1717 int error, startall;
1718
1719 sc = ifp->if_softc;
1720 ic = ifp->if_l2com;
1721 ifr = (struct ifreq *) data;
1722
1723 error = 0;
1724
1725 switch (cmd)
1726 {
1727 case SIOCSIFFLAGS:
1728 startall = 0;
1729
1730 RT2860_SOFTC_LOCK(sc);
1731
1732 if (ifp->if_flags & IFF_UP)
1733 {
1734 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1735 {
1736 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1737 rt2860_asic_update_promisc(sc);
1738 }
1739 else
1740 {
1741 rt2860_init_locked(sc);
1742 startall = 1;
1743 }
1744 }
1745 else
1746 {
1747 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1748 rt2860_stop_locked(sc);
1749 }
1750
1751 sc->if_flags = ifp->if_flags;
1752
1753 RT2860_SOFTC_UNLOCK(sc);
1754
1755 if (startall)
1756 ieee80211_start_all(ic);
1757 break;
1758
1759 case SIOCGIFMEDIA:
1760 case SIOCSIFMEDIA:
1761 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1762 break;
1763
1764 case SIOCGIFADDR:
1765 error = ether_ioctl(ifp, cmd, data);
1766 break;
1767
1768 default:
1769 error = EINVAL;
1770 break;
1771 }
1772
1773 return error;
1774 }
1775
1776 /*
1777 * rt2860_vap_create
1778 */
1779 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1780 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1781 const uint8_t bssid[IEEE80211_ADDR_LEN],
1782 const uint8_t mac[IEEE80211_ADDR_LEN])
1783 {
1784 struct rt2860_softc *sc;
1785 struct ifnet *ifp;
1786 struct rt2860_softc_vap *rvap;
1787 struct ieee80211vap *vap;
1788
1789 ifp = ic->ic_ifp;
1790 sc = ifp->if_softc;
1791
1792 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1793 "%s: VAP create: opmode=%s\n",
1794 device_get_nameunit(sc->dev),
1795 ieee80211_opmode_name[opmode]);
1796
1797 switch (opmode)
1798 {
1799 case IEEE80211_M_MONITOR:
1800 case IEEE80211_M_IBSS:
1801 case IEEE80211_M_STA:
1802 case IEEE80211_M_AHDEMO:
1803 case IEEE80211_M_HOSTAP:
1804 case IEEE80211_M_MBSS:
1805 if (!TAILQ_EMPTY(&ic->ic_vaps))
1806 {
1807 if_printf(ifp, "only 1 VAP supported\n");
1808 return NULL;
1809 }
1810
1811 if (opmode == IEEE80211_M_STA)
1812 flags |= IEEE80211_CLONE_NOBEACONS;
1813 break;
1814
1815 case IEEE80211_M_WDS:
1816 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1817 {
1818 if_printf(ifp, "WDS only supported in AP mode\n");
1819 return NULL;
1820 }
1821
1822 flags &= ~IEEE80211_CLONE_BSSID;
1823 break;
1824
1825 default:
1826 if_printf(ifp, "unknown opmode %d\n", opmode);
1827 return NULL;
1828 }
1829
1830 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1831 M_80211_VAP, M_NOWAIT | M_ZERO);
1832 if (rvap == NULL)
1833 return NULL;
1834
1835 vap = &rvap->vap;
1836
1837 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1838
1839 rvap->newstate = vap->iv_newstate;
1840 vap->iv_newstate = rt2860_vap_newstate;
1841
1842 vap->iv_reset = rt2860_vap_reset;
1843 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1844 vap->iv_key_update_end = rt2860_vap_key_update_end;
1845 vap->iv_key_set = rt2860_vap_key_set;
1846 vap->iv_key_delete = rt2860_vap_key_delete;
1847 vap->iv_update_beacon = rt2860_vap_update_beacon;
1848
1849 rt2860_amrr_init(&rvap->amrr, vap,
1850 sc->ntxpath,
1851 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1852 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1853 500);
1854
1855 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1856
1857 /* override default Rx A-MPDU factor */
1858
1859 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1860 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1861 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1862
1863 ic->ic_opmode = opmode;
1864
1865 return vap;
1866 }
1867
1868 /*
1869 * rt2860_vap_delete
1870 */
1871 static void rt2860_vap_delete(struct ieee80211vap *vap)
1872 {
1873 struct rt2860_softc *sc;
1874 struct ieee80211com *ic;
1875 struct ifnet *ifp;
1876 struct rt2860_softc_vap *rvap;
1877
1878 ic = vap->iv_ic;
1879 ifp = ic->ic_ifp;
1880 sc = ifp->if_softc;
1881 rvap = (struct rt2860_softc_vap *) vap;
1882
1883 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1884 "%s: VAP delete: opmode=%s\n",
1885 device_get_nameunit(sc->dev),
1886 ieee80211_opmode_name[vap->iv_opmode]);
1887
1888 rt2860_amrr_cleanup(&rvap->amrr);
1889
1890 ieee80211_vap_detach(vap);
1891
1892 if (rvap->beacon_mbuf != NULL)
1893 {
1894 m_free(rvap->beacon_mbuf);
1895 rvap->beacon_mbuf = NULL;
1896 }
1897
1898 free(rvap, M_80211_VAP);
1899 }
1900
1901 /*
1902 * rt2860_reset_vap
1903 */
1904 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1905 {
1906 struct rt2860_softc *sc;
1907 struct ieee80211com *ic;
1908 struct ifnet *ifp;
1909 struct rt2860_softc_vap *rvap;
1910 int error;
1911
1912 ic = vap->iv_ic;
1913 ifp = ic->ic_ifp;
1914 sc = ifp->if_softc;
1915 rvap = (struct rt2860_softc_vap *) vap;
1916
1917 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1918 "%s: VAP reset: cmd=%lu\n",
1919 device_get_nameunit(sc->dev), cmd);
1920
1921 error = 0;
1922
1923 switch (cmd)
1924 {
1925 case IEEE80211_IOC_RTSTHRESHOLD:
1926 case IEEE80211_IOC_AMSDU:
1927 rt2860_asic_update_rtsthreshold(sc);
1928 break;
1929
1930 case IEEE80211_IOC_PROTMODE:
1931 case IEEE80211_IOC_HTPROTMODE:
1932 rt2860_asic_updateprot(sc);
1933 break;
1934
1935 case IEEE80211_IOC_TXPOWER:
1936 rt2860_asic_update_txpower(sc);
1937 break;
1938
1939 case IEEE80211_IOC_BURST:
1940 rt2860_asic_updateslot(sc);
1941 break;
1942
1943 case IEEE80211_IOC_SHORTGI:
1944 case IEEE80211_IOC_AMPDU_DENSITY:
1945 case IEEE80211_IOC_SMPS:
1946 break;
1947
1948 default:
1949 error = ENETRESET;
1950 break;
1951 }
1952
1953 return error;
1954 }
1955
1956 /*
1957 * rt2860_vap_newstate
1958 */
1959 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1960 enum ieee80211_state nstate, int arg)
1961 {
1962 struct rt2860_softc *sc;
1963 struct ieee80211com *ic;
1964 struct ifnet *ifp;
1965 struct rt2860_softc_vap *rvap;
1966 struct ieee80211_node *ni;
1967 enum ieee80211_state ostate;
1968 int error;
1969
1970 ic = vap->iv_ic;
1971 ifp = ic->ic_ifp;
1972 sc = ifp->if_softc;
1973 rvap = (struct rt2860_softc_vap *) vap;
1974
1975 ostate = vap->iv_state;
1976
1977 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1978 "%s: VAP newstate: %s -> %s\n",
1979 device_get_nameunit(sc->dev),
1980 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1981
1982 error = rvap->newstate(vap, nstate, arg);
1983 if (error != 0)
1984 return error;
1985
1986 IEEE80211_UNLOCK(ic);
1987
1988 RT2860_SOFTC_LOCK(sc);
1989
1990 /* turn link LED off */
1991
1992 if (nstate != IEEE80211_S_RUN)
1993 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1994
1995 switch (nstate)
1996 {
1997 case IEEE80211_S_INIT:
1998 rt2860_asic_disable_tsf_sync(sc);
1999 break;
2000
2001 case IEEE80211_S_RUN:
2002 ni = vap->iv_bss;
2003
2004 rt2860_rf_set_chan(sc, ni->ni_chan);
2005
2006 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2007 {
2008 rt2860_asic_enable_mrr(sc);
2009 rt2860_asic_set_txpreamble(sc);
2010 rt2860_asic_set_basicrates(sc);
2011 rt2860_asic_update_txpower(sc);
2012 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2013 }
2014
2015 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2016 vap->iv_opmode == IEEE80211_M_IBSS ||
2017 vap->iv_opmode == IEEE80211_M_MBSS)
2018 {
2019 error = rt2860_beacon_alloc(sc, vap);
2020 if (error != 0)
2021 break;
2022
2023 rt2860_asic_update_beacon(sc, vap);
2024 }
2025
2026 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2027 rt2860_asic_enable_tsf_sync(sc);
2028
2029 /* turn link LED on */
2030
2031 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2032 {
2033 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2034 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2035 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2036 }
2037 break;
2038
2039 case IEEE80211_S_SLEEP:
2040 break;
2041
2042 default:
2043 break;
2044 }
2045
2046 RT2860_SOFTC_UNLOCK(sc);
2047
2048 IEEE80211_LOCK(ic);
2049
2050 return error;
2051 }
2052
2053 /*
2054 * rt2860_vap_key_update_begin
2055 */
2056 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2057 {
2058 struct rt2860_softc *sc;
2059 struct ieee80211com *ic;
2060 struct ifnet *ifp;
2061
2062 ic = vap->iv_ic;
2063 ifp = ic->ic_ifp;
2064 sc = ifp->if_softc;
2065
2066 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2067 "%s: VAP key update begin\n",
2068 device_get_nameunit(sc->dev));
2069
2070 taskqueue_block(sc->taskqueue);
2071
2072 IF_LOCK(&ifp->if_snd);
2073 }
2074
2075 /*
2076 * rt2860_vap_key_update_end
2077 */
2078 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2079 {
2080 struct rt2860_softc *sc;
2081 struct ieee80211com *ic;
2082 struct ifnet *ifp;
2083
2084 ic = vap->iv_ic;
2085 ifp = ic->ic_ifp;
2086 sc = ifp->if_softc;
2087
2088 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2089 "%s: VAP key update end\n",
2090 device_get_nameunit(sc->dev));
2091
2092 IF_UNLOCK(&ifp->if_snd);
2093
2094 taskqueue_unblock(sc->taskqueue);
2095 }
2096
2097 /*
2098 * rt2860_vap_key_set
2099 */
2100 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2101 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2102 {
2103 struct rt2860_softc *sc;
2104 struct ieee80211com *ic;
2105 struct ifnet *ifp;
2106 struct ieee80211_node *ni;
2107 uint16_t associd, key_base, keymode_base;
2108 uint8_t mode, vapid, wcid, iv[8];
2109 uint32_t tmp;
2110
2111 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2112 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2113 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2114 return 0;
2115
2116 ic = vap->iv_ic;
2117 ifp = ic->ic_ifp;
2118 sc = ifp->if_softc;
2119 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr);
2120 associd = (ni != NULL) ? ni->ni_associd : 0;
2121
2122 if (ni != NULL)
2123 ieee80211_free_node(ni);
2124
2125 switch (k->wk_cipher->ic_cipher)
2126 {
2127 case IEEE80211_CIPHER_WEP:
2128 if(k->wk_keylen < 8)
2129 mode = RT2860_REG_CIPHER_MODE_WEP40;
2130 else
2131 mode = RT2860_REG_CIPHER_MODE_WEP104;
2132 break;
2133
2134 case IEEE80211_CIPHER_TKIP:
2135 mode = RT2860_REG_CIPHER_MODE_TKIP;
2136 break;
2137
2138 case IEEE80211_CIPHER_AES_CCM:
2139 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2140 break;
2141
2142 default:
2143 return 0;
2144 }
2145
2146 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2147 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, associd=0x%04x, mode=%d, group=%d\n",
2148 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2149 associd, mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2150
2151 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2152 {
2153 /* install pairwise key */
2154
2155 vapid = 0;
2156
2157 wcid = RT2860_AID2WCID(associd);
2158 if (wcid == 0)
2159 return 0;
2160
2161 key_base = RT2860_REG_PKEY(wcid);
2162
2163 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2164 {
2165 memset(iv, 0, 8);
2166
2167 iv[3] = (k->wk_keyix << 6);
2168 }
2169 else
2170 {
2171 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2172 {
2173 iv[0] = (k->wk_keytsc >> 8);
2174 iv[1] = ((iv[0] | 0x20) & 0x7f);
2175 iv[2] = k->wk_keytsc;
2176 }
2177 else
2178 {
2179 /* AES CCMP */
2180
2181 iv[0] = k->wk_keytsc;
2182 iv[1] = k->wk_keytsc >> 8;
2183 iv[2] = 0;
2184 }
2185
2186 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2187 iv[4] = (k->wk_keytsc >> 16);
2188 iv[5] = (k->wk_keytsc >> 24);
2189 iv[6] = (k->wk_keytsc >> 32);
2190 iv[7] = (k->wk_keytsc >> 40);
2191
2192 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2193 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2194 device_get_nameunit(sc->dev),
2195 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2196 }
2197
2198 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2199
2200 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2201 {
2202 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2203
2204 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2205 {
2206 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2207 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2208 }
2209 else
2210 {
2211 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2212 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2213 }
2214 }
2215 else
2216 {
2217 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2218 }
2219
2220 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2221 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2222
2223 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2224 }
2225
2226 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2227 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2228 {
2229 /* install group key */
2230
2231 vapid = 0;
2232 wcid = 0; /* mcast/bcast WCID */
2233 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2234 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2235
2236 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2237 {
2238 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2239
2240 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2241 {
2242 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2243 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2244 }
2245 else
2246 {
2247 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2248 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2249 }
2250 }
2251 else
2252 {
2253 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2254 }
2255
2256 tmp = rt2860_io_mac_read(sc, keymode_base);
2257
2258 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2259 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2260
2261 rt2860_io_mac_write(sc, keymode_base, tmp);
2262
2263 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2264 {
2265 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2266 {
2267 memset(iv, 0, 8);
2268
2269 iv[3] = (k->wk_keyix << 6);
2270 }
2271 else
2272 {
2273 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2274 {
2275 iv[0] = (k->wk_keytsc >> 8);
2276 iv[1] = ((iv[0] | 0x20) & 0x7f);
2277 iv[2] = k->wk_keytsc;
2278 }
2279 else
2280 {
2281 /* AES CCMP */
2282
2283 iv[0] = k->wk_keytsc;
2284 iv[1] = k->wk_keytsc >> 8;
2285 iv[2] = 0;
2286 }
2287
2288 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2289 iv[4] = (k->wk_keytsc >> 16);
2290 iv[5] = (k->wk_keytsc >> 24);
2291 iv[6] = (k->wk_keytsc >> 32);
2292 iv[7] = (k->wk_keytsc >> 40);
2293
2294 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2295 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2296 device_get_nameunit(sc->dev),
2297 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2298 }
2299
2300 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2301
2302 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2303 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2304
2305 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2306 }
2307 }
2308
2309 return 1;
2310 }
2311
2312 /*
2313 * rt2860_vap_key_delete
2314 */
2315 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2316 const struct ieee80211_key *k)
2317 {
2318 struct rt2860_softc *sc;
2319 struct ieee80211com *ic;
2320 struct ifnet *ifp;
2321 struct ieee80211_node *ni;
2322 uint16_t associd;
2323 uint8_t vapid, wcid;
2324 uint32_t tmp;
2325
2326 ic = vap->iv_ic;
2327 ifp = ic->ic_ifp;
2328 sc = ifp->if_softc;
2329 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr);
2330 associd = (ni != NULL) ? ni->ni_associd : 0;
2331
2332 if (ni != NULL)
2333 ieee80211_free_node(ni);
2334
2335 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2336 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, associd=0x%04x, group=%d\n",
2337 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2338 associd, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2339
2340 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2341 {
2342 /* remove pairwise key */
2343
2344 vapid = 0;
2345
2346 wcid = RT2860_AID2WCID(associd);
2347 if (wcid == 0)
2348 return 0;
2349
2350 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2351 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2352
2353 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2354 }
2355 else
2356 {
2357 /* remove group key */
2358
2359 vapid = 0;
2360 wcid = 0; /* mcast/bcast WCID */
2361
2362 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2363
2364 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2365 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2366
2367 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2368
2369 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2370 {
2371 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2372 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2373
2374 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2375 }
2376 }
2377
2378 return 1;
2379 }
2380
2381 /*
2382 * rt2860_vap_update_beacon
2383 */
2384 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2385 {
2386 struct rt2860_softc *sc;
2387 struct ieee80211com *ic;
2388 struct ifnet *ifp;
2389 struct rt2860_softc_vap *rvap;
2390 struct mbuf *m;
2391 struct ieee80211_beacon_offsets *bo;
2392
2393 ic = vap->iv_ic;
2394 ifp = ic->ic_ifp;
2395 sc = ifp->if_softc;
2396 rvap = (struct rt2860_softc_vap *) vap;
2397 m = rvap->beacon_mbuf;
2398 bo = &rvap->beacon_offsets;
2399
2400 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2401 "%s: VAP update beacon: what=%d\n",
2402 device_get_nameunit(sc->dev), what);
2403
2404 setbit(bo->bo_flags, what);
2405
2406 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2407
2408 rt2860_asic_update_beacon(sc, vap);
2409 }
2410
2411 /*
2412 * rt2860_media_change
2413 */
2414 static int rt2860_media_change(struct ifnet *ifp)
2415 {
2416 int error;
2417
2418 error = ieee80211_media_change(ifp);
2419
2420 return (error == ENETRESET ? 0 : error);
2421 }
2422
2423 /*
2424 * rt2860_node_alloc
2425 */
2426 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2427 const uint8_t mac[IEEE80211_ADDR_LEN])
2428 {
2429 return malloc(sizeof(struct rt2860_softc_node),
2430 M_80211_NODE, M_NOWAIT | M_ZERO);
2431 }
2432
2433 /*
2434 * rt2860_node_getmimoinfo
2435 */
2436 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
2437 struct ieee80211_mimo_info *mi)
2438 {
2439 const struct rt2860_softc_node *rni;
2440 int i;
2441
2442 rni = (const struct rt2860_softc_node *) ni;
2443
2444 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
2445 {
2446 mi->rssi[i] = rni->last_rssi_dbm[i];
2447 mi->noise[i] = RT2860_NOISE_FLOOR;
2448 }
2449 }
2450
2451 /*
2452 * rt2860_setregdomain
2453 */
2454 static int rt2860_setregdomain(struct ieee80211com *ic,
2455 struct ieee80211_regdomain *reg,
2456 int nchans, struct ieee80211_channel chans[])
2457 {
2458 struct rt2860_softc *sc;
2459 struct ifnet *ifp;
2460
2461 ifp = ic->ic_ifp;
2462 sc = ifp->if_softc;
2463
2464 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2465 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2466 device_get_nameunit(sc->dev),
2467 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2468
2469 return 0;
2470 }
2471
2472 /*
2473 * rt2860_getradiocaps
2474 */
2475 static void rt2860_getradiocaps(struct ieee80211com *ic,
2476 int maxchans, int *nchans, struct ieee80211_channel chans[])
2477 {
2478 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2479
2480 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2481 }
2482
2483 /*
2484 * rt2860_scan_start
2485 */
2486 static void rt2860_scan_start(struct ieee80211com *ic)
2487 {
2488 struct rt2860_softc *sc;
2489 struct ifnet *ifp;
2490
2491 ifp = ic->ic_ifp;
2492 sc = ifp->if_softc;
2493
2494 rt2860_asic_disable_tsf_sync(sc);
2495 }
2496
2497 /*
2498 * rt2860_scan_end
2499 */
2500 static void rt2860_scan_end(struct ieee80211com *ic)
2501 {
2502 struct rt2860_softc *sc;
2503 struct ifnet *ifp;
2504
2505 ifp = ic->ic_ifp;
2506 sc = ifp->if_softc;
2507
2508 rt2860_asic_enable_tsf_sync(sc);
2509 }
2510
2511 /*
2512 * rt2860_set_channel
2513 */
2514 static void rt2860_set_channel(struct ieee80211com *ic)
2515 {
2516 struct rt2860_softc *sc;
2517 struct ifnet *ifp;
2518
2519 ifp = ic->ic_ifp;
2520 sc = ifp->if_softc;
2521
2522 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2523 "%s: set channel: channel=%u, HT%s%s\n",
2524 device_get_nameunit(sc->dev),
2525 ieee80211_chan2ieee(ic, ic->ic_curchan),
2526 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2527 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2528 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2529 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2530
2531 RT2860_SOFTC_LOCK(sc);
2532
2533 rt2860_rf_set_chan(sc, ic->ic_curchan);
2534
2535 RT2860_SOFTC_UNLOCK(sc);
2536 }
2537
2538 /*
2539 * rt2860_newassoc
2540 */
2541 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2542 {
2543 struct rt2860_softc *sc;
2544 struct ieee80211com *ic;
2545 struct ifnet *ifp;
2546 struct ieee80211vap *vap;
2547 struct rt2860_softc_vap *rvap;
2548 uint8_t wcid;
2549
2550 vap = ni->ni_vap;
2551 ic = vap->iv_ic;
2552 ifp = ic->ic_ifp;
2553 sc = ifp->if_softc;
2554 rvap = (struct rt2860_softc_vap *) vap;
2555
2556 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2557 "%s: new association: associd=0x%04x, "
2558 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2559 device_get_nameunit(sc->dev), ni->ni_associd,
2560 ether_sprintf(ni->ni_macaddr),
2561 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2562 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2563 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2564
2565 wcid = RT2860_AID2WCID(ni->ni_associd);
2566 if (wcid == 0)
2567 return;
2568
2569 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2570 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2571
2572 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2573
2574 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2575 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2576 device_get_nameunit(sc->dev),
2577 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2578 ni->ni_associd, ni->ni_txrate,
2579 (ni->ni_flags & IEEE80211_NODE_HT) ?
2580 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2581 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2582
2583 rt2860_asic_updateprot(sc);
2584 rt2860_asic_updateslot(sc);
2585 rt2860_asic_set_txpreamble(sc);
2586 }
2587
2588 /*
2589 * rt2860_updateslot
2590 */
2591 static void rt2860_updateslot(struct ifnet *ifp)
2592 {
2593 struct rt2860_softc *sc;
2594
2595 sc = ifp->if_softc;
2596
2597 rt2860_asic_updateslot(sc);
2598 }
2599
2600 /*
2601 * rt2860_update_promisc
2602 */
2603 static void rt2860_update_promisc(struct ifnet *ifp)
2604 {
2605 struct rt2860_softc *sc;
2606
2607 sc = ifp->if_softc;
2608
2609 rt2860_asic_update_promisc(sc);
2610 }
2611
2612 /*
2613 * rt2860_update_mcast
2614 */
2615 static void rt2860_update_mcast(struct ifnet *ifp)
2616 {
2617 struct rt2860_softc *sc;
2618
2619 sc = ifp->if_softc;
2620 }
2621
2622 /*
2623 * rt2860_wme_update
2624 */
2625 static int rt2860_wme_update(struct ieee80211com *ic)
2626 {
2627 struct rt2860_softc *sc;
2628 struct ifnet *ifp;
2629
2630 ifp = ic->ic_ifp;
2631 sc = ifp->if_softc;
2632
2633 rt2860_asic_wme_update(sc);
2634
2635 return 0;
2636 }
2637
2638 /*
2639 * rt2860_raw_xmit
2640 */
2641 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2642 const struct ieee80211_bpf_params *params)
2643 {
2644 struct rt2860_softc *sc;
2645 struct ieee80211com *ic;
2646 struct ifnet *ifp;
2647
2648 ic = ni->ni_ic;
2649 ifp = ic->ic_ifp;
2650 sc = ifp->if_softc;
2651
2652 RT2860_SOFTC_LOCK(sc);
2653
2654 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2655 {
2656 RT2860_SOFTC_UNLOCK(sc);
2657
2658 m_freem(m);
2659 ieee80211_free_node(ni);
2660
2661 return ENETDOWN;
2662 }
2663
2664 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2665 {
2666 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2667 "%s: raw xmit: Tx ring with qid=%d is full\n",
2668 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2669
2670 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2671
2672 RT2860_SOFTC_UNLOCK(sc);
2673
2674 m_freem(m);
2675 ieee80211_free_node(ni);
2676
2677 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2678
2679 return ENOBUFS;
2680 }
2681
2682 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2683 {
2684 ifp->if_oerrors++;
2685
2686 RT2860_SOFTC_UNLOCK(sc);
2687
2688 ieee80211_free_node(ni);
2689
2690 return EIO;
2691 }
2692
2693 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2694
2695 RT2860_SOFTC_UNLOCK(sc);
2696
2697 return 0;
2698 }
2699
2700 /*
2701 * rt2860_recv_action
2702 */
2703 static int rt2860_recv_action(struct ieee80211_node *ni,
2704 const struct ieee80211_frame *wh,
2705 const uint8_t *frm, const uint8_t *efrm)
2706 {
2707 struct rt2860_softc *sc;
2708 struct ieee80211com *ic;
2709 struct ifnet *ifp;
2710 const struct ieee80211_action *ia;
2711 struct ieee80211_tx_ampdu *tx_ampdu;
2712 uint16_t associd, status, baparamset;
2713 uint8_t wcid;
2714 int ret, tid, bufsize, ac;
2715 uint32_t tmp;
2716
2717 ic = ni->ni_ic;
2718 ifp = ic->ic_ifp;
2719 sc = ifp->if_softc;
2720
2721 ia = (const struct ieee80211_action *) frm;
2722
2723 ret = sc->recv_action(ni, wh, frm, efrm);
2724
2725 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2726 return ret;
2727
2728 associd = (ni != NULL) ? ni->ni_associd : 0;
2729 wcid = RT2860_AID2WCID(associd);
2730
2731 switch (ia->ia_action)
2732 {
2733 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2734 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2735 baparamset = LE_READ_2(frm + 3);
2736 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2737 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2738
2739 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2740 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2741 device_get_nameunit(sc->dev), associd, tid, bufsize);
2742
2743 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2744
2745 tmp |= (0x10000 << tid);
2746
2747 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2748 break;
2749
2750 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2751 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2752 status = LE_READ_2(frm + 3);
2753 baparamset = LE_READ_2(frm + 4);
2754 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2755 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2756 ac = TID_TO_WME_AC(tid);
2757 tx_ampdu = &ni->ni_tx_ampdu[ac];
2758
2759 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2760 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2761 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2762
2763 if (sc->mac_rev >= 0x28720200)
2764 {
2765 if (tx_ampdu->txa_wnd > 13)
2766 tx_ampdu->txa_wnd = 13;
2767 }
2768 else
2769 {
2770 if (tx_ampdu->txa_wnd > 7)
2771 tx_ampdu->txa_wnd = 7;
2772 }
2773
2774 if (status == IEEE80211_STATUS_SUCCESS)
2775 {
2776 sc->tx_ampdu_sessions++;
2777
2778 rt2860_asic_updateprot(sc);
2779 }
2780 break;
2781
2782 /* IEEE80211_ACTION_BA_DELBA */
2783 case IEEE80211_ACTION_BA_DELBA:
2784 baparamset = LE_READ_2(frm + 2);
2785 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2786
2787 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2788 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2789 device_get_nameunit(sc->dev), associd, tid);
2790
2791 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2792
2793 tmp &= ~(0x10000 << tid);
2794
2795 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2796 break;
2797 }
2798
2799 return ret;
2800 }
2801
2802 /*
2803 * rt2860_send_action
2804 */
2805 static int rt2860_send_action(struct ieee80211_node *ni,
2806 int cat, int act, void *sa)
2807 {
2808 struct rt2860_softc *sc;
2809 struct ieee80211com *ic;
2810 struct ifnet *ifp;
2811 uint16_t associd, *args, baparamset;
2812 uint8_t wcid;
2813 int ret, tid;
2814 uint32_t tmp;
2815
2816 ic = ni->ni_ic;
2817 ifp = ic->ic_ifp;
2818 sc = ifp->if_softc;
2819
2820 ret = sc->send_action(ni, cat, act, sa);
2821
2822 if (cat != IEEE80211_ACTION_CAT_BA)
2823 return ret;
2824
2825 associd = (ni != NULL) ? ni->ni_associd : 0;
2826 wcid = RT2860_AID2WCID(associd);
2827 args = sa;
2828
2829 switch (act)
2830 {
2831 /* IEEE80211_ACTION_BA_DELBA */
2832 case IEEE80211_ACTION_BA_DELBA:
2833 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2834
2835 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2836
2837 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2838 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2839 device_get_nameunit(sc->dev), associd, tid);
2840
2841 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2842 {
2843 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2844
2845 tmp &= ~(0x10000 << tid);
2846
2847 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2848 }
2849 else
2850 {
2851 sc->tx_ampdu_sessions--;
2852
2853 rt2860_asic_updateprot(sc);
2854 }
2855 break;
2856 }
2857
2858 return ret;
2859 }
2860
2861 /*
2862 * rt2860_amrr_update_iter_func
2863 */
2864 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2865 {
2866 struct rt2860_softc *sc;
2867 struct ieee80211com *ic;
2868 struct ifnet *ifp;
2869 struct ieee80211vap *vap;
2870 struct rt2860_softc_vap *rvap;
2871 uint8_t wcid;
2872
2873 vap = arg;
2874 ic = vap->iv_ic;
2875 ifp = ic->ic_ifp;
2876 sc = ifp->if_softc;
2877 rvap = (struct rt2860_softc_vap *) vap;
2878
2879 /* only associated stations */
2880
2881 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2882 {
2883 wcid = RT2860_AID2WCID(ni->ni_associd);
2884
2885 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2886 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2887 device_get_nameunit(sc->dev),
2888 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2889
2890 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2891
2892 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2893 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2894 device_get_nameunit(sc->dev),
2895 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2896 ni->ni_associd, ni->ni_txrate,
2897 (ni->ni_flags & IEEE80211_NODE_HT) ?
2898 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2899 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2900 }
2901 }
2902
2903 /*
2904 * rt2860_periodic
2905 */
2906 static void rt2860_periodic(void *arg)
2907 {
2908 struct rt2860_softc *sc;
2909
2910 sc = arg;
2911
2912 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2913 "%s: periodic\n",
2914 device_get_nameunit(sc->dev));
2915
2916 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2917 }
2918
2919 /*
2920 * rt2860_tx_watchdog
2921 */
2922 static void rt2860_tx_watchdog(void *arg)
2923 {
2924 struct rt2860_softc *sc;
2925 struct ifnet *ifp;
2926
2927 sc = arg;
2928 ifp = sc->ifp;
2929
2930 if (sc->tx_timer == 0)
2931 return;
2932
2933 if (--sc->tx_timer == 0)
2934 {
2935 printf("%s: Tx watchdog timeout: resetting\n",
2936 device_get_nameunit(sc->dev));
2937
2938 rt2860_stop_locked(sc);
2939 rt2860_init_locked(sc);
2940
2941 ifp->if_oerrors++;
2942
2943 sc->tx_watchdog_timeouts++;
2944 }
2945
2946 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2947 }
2948
2949 /*
2950 * rt2860_asic_set_bssid
2951 */
2952 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2953 const uint8_t *bssid)
2954 {
2955 uint32_t tmp;
2956
2957 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2958 "%s: set bssid: bssid=%s\n",
2959 device_get_nameunit(sc->dev),
2960 ether_sprintf(bssid));
2961
2962 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2963
2964 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2965
2966 tmp = bssid[4] | (bssid[5] << 8);
2967
2968 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2969 }
2970
2971 /*
2972 * rt2860_asic_set_macaddr
2973 */
2974 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2975 const uint8_t *addr)
2976 {
2977 uint32_t tmp;
2978
2979 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2980
2981 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2982
2983 tmp = addr[4] | (addr[5] << 8);
2984
2985 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2986 }
2987
2988 /*
2989 * rt2860_asic_enable_tsf_sync
2990 */
2991 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2992 {
2993 struct ifnet *ifp;
2994 struct ieee80211com *ic;
2995 struct ieee80211vap *vap;
2996 uint32_t tmp;
2997
2998 ifp = sc->ifp;
2999 ic = ifp->if_l2com;
3000 vap = TAILQ_FIRST(&ic->ic_vaps);
3001
3002 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3003 "%s: enabling TSF\n",
3004 device_get_nameunit(sc->dev));
3005
3006 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3007
3008 tmp &= ~0x1fffff;
3009 tmp |= vap->iv_bss->ni_intval * 16;
3010 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
3011
3012 if (vap->iv_opmode == IEEE80211_M_STA)
3013 {
3014 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3015 }
3016 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3017 {
3018 tmp |= RT2860_REG_BCN_TX_ENABLE;
3019 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3020 }
3021 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3022 {
3023 tmp |= RT2860_REG_BCN_TX_ENABLE;
3024 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3025 }
3026
3027 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3028 }
3029
3030 /*
3031 * rt2860_asic_disable_tsf_sync
3032 */
3033 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3034 {
3035 uint32_t tmp;
3036
3037 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3038 "%s: disabling TSF\n",
3039 device_get_nameunit(sc->dev));
3040
3041 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3042
3043 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3044 RT2860_REG_TSF_TIMER_ENABLE |
3045 RT2860_REG_TBTT_TIMER_ENABLE);
3046
3047 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3048 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3049
3050 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3051 }
3052
3053 /*
3054 * rt2860_asic_enable_mrr
3055 */
3056 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3057 {
3058 #define CCK(mcs) (mcs)
3059 #define OFDM(mcs) ((1 << 3) | (mcs))
3060 #define HT(mcs) (mcs)
3061
3062 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3063 (OFDM(6) << 28) | /* 54 -> 48 */
3064 (OFDM(5) << 24) | /* 48 -> 36 */
3065 (OFDM(4) << 20) | /* 36 -> 24 */
3066 (OFDM(3) << 16) | /* 24 -> 18 */
3067 (OFDM(2) << 12) | /* 18 -> 12 */
3068 (OFDM(1) << 8) | /* 12 -> 9 */
3069 (OFDM(0) << 4) | /* 9 -> 6 */
3070 OFDM(0)); /* 6 -> 6 */
3071
3072 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3073 (CCK(2) << 12) | /* 11 -> 5.5 */
3074 (CCK(1) << 8) | /* 5.5 -> 2 */
3075 (CCK(0) << 4) | /* 2 -> 1 */
3076 CCK(0)); /* 1 -> 1 */
3077
3078 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3079 (HT(6) << 28) |
3080 (HT(5) << 24) |
3081 (HT(4) << 20) |
3082 (HT(3) << 16) |
3083 (HT(2) << 12) |
3084 (HT(1) << 8) |
3085 (HT(0) << 4) |
3086 HT(0));
3087
3088 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3089 (HT(14) << 28) |
3090 (HT(13) << 24) |
3091 (HT(12) << 20) |
3092 (HT(11) << 16) |
3093 (HT(10) << 12) |
3094 (HT(9) << 8) |
3095 (HT(8) << 4) |
3096 HT(7));
3097
3098 #undef HT
3099 #undef OFDM
3100 #undef CCK
3101 }
3102
3103 /*
3104 * rt2860_asic_set_txpreamble
3105 */
3106 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3107 {
3108 struct ifnet *ifp;
3109 struct ieee80211com *ic;
3110 uint32_t tmp;
3111
3112 ifp = sc->ifp;
3113 ic = ifp->if_l2com;
3114
3115 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3116 "%s: %s short Tx preamble\n",
3117 device_get_nameunit(sc->dev),
3118 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3119
3120 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3121
3122 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3123
3124 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3125 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3126
3127 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3128 }
3129
3130 /*
3131 * rt2860_asic_set_basicrates
3132 */
3133 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3134 {
3135 struct ifnet *ifp;
3136 struct ieee80211com *ic;
3137
3138 ifp = sc->ifp;
3139 ic = ifp->if_l2com;
3140
3141 if (ic->ic_curmode == IEEE80211_MODE_11B)
3142 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3143 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3144 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3145 else
3146 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3147 }
3148
3149 /*
3150 * rt2860_asic_update_rtsthreshold
3151 */
3152 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3153 {
3154 struct ifnet *ifp;
3155 struct ieee80211com *ic;
3156 struct ieee80211vap *vap;
3157 uint32_t tmp;
3158 uint16_t threshold;
3159
3160 ifp = sc->ifp;
3161 ic = ifp->if_l2com;
3162 vap = TAILQ_FIRST(&ic->ic_vaps);
3163
3164 if (vap == NULL)
3165 threshold = IEEE80211_RTS_MAX;
3166 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3167 threshold = 0x1000;
3168 else
3169 threshold = vap->iv_rtsthreshold;
3170
3171 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3172 "%s: updating RTS threshold: %d\n",
3173 device_get_nameunit(sc->dev), threshold);
3174
3175 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3176
3177 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3178
3179 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3180 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3181
3182 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3183 }
3184
3185 /*
3186 * rt2860_asic_update_txpower
3187 */
3188 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3189 {
3190 struct ifnet *ifp;
3191 struct ieee80211com *ic;
3192 uint32_t *txpow_rate;
3193 int8_t delta;
3194 uint8_t val;
3195 uint32_t tmp;
3196 int i;
3197
3198 ifp = sc->ifp;
3199 ic = ifp->if_l2com;
3200
3201 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3202 "%s: updating Tx power: %d\n",
3203 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3204
3205 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3206 {
3207 txpow_rate = sc->txpow_rate_20mhz;
3208 }
3209 else
3210 {
3211 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3212 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3213 else
3214 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3215 }
3216
3217 delta = 0;
3218
3219 val = rt2860_io_bbp_read(sc, 1);
3220 val &= 0xfc;
3221
3222 if (ic->ic_txpowlimit > 90)
3223 {
3224 /* do nothing */
3225 }
3226 else if (ic->ic_txpowlimit > 60)
3227 {
3228 delta -= 1;
3229 }
3230 else if (ic->ic_txpowlimit > 30)
3231 {
3232 delta -= 3;
3233 }
3234 else if (ic->ic_txpowlimit > 15)
3235 {
3236 val |= 0x1;
3237 }
3238 else if (ic->ic_txpowlimit > 9)
3239 {
3240 val |= 0x1;
3241 delta -= 3;
3242 }
3243 else
3244 {
3245 val |= 0x2;
3246 }
3247
3248 rt2860_io_bbp_write(sc, 1, val);
3249
3250 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3251 {
3252 if (txpow_rate[i] == 0xffffffff)
3253 continue;
3254
3255 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3256
3257 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3258 }
3259 }
3260
3261 /*
3262 * rt2860_asic_update_promisc
3263 */
3264 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3265 {
3266 struct ifnet *ifp;
3267 uint32_t tmp;
3268
3269 ifp = sc->ifp;
3270
3271 printf("%s: %s promiscuous mode\n",
3272 device_get_nameunit(sc->dev),
3273 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3274
3275 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3276
3277 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3278
3279 if (!(ifp->if_flags & IFF_PROMISC))
3280 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3281
3282 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3283 }
3284
3285 /*
3286 * rt2860_asic_updateprot
3287 */
3288 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3289 {
3290 struct ifnet *ifp;
3291 struct ieee80211com *ic;
3292 struct ieee80211vap *vap;
3293 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3294 uint8_t htopmode;
3295 enum ieee80211_protmode htprotmode;
3296
3297 ifp = sc->ifp;
3298 ic = ifp->if_l2com;
3299 vap = TAILQ_FIRST(&ic->ic_vaps);
3300
3301 /* CCK frame protection */
3302
3303 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3304 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3305
3306 /* set up protection frame phy mode and rate (MCS code) */
3307
3308 if (ic->ic_curmode == IEEE80211_MODE_11A)
3309 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3310 (0 << RT2860_REG_PROT_MCS_SHIFT);
3311 else
3312 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3313 (3 << RT2860_REG_PROT_MCS_SHIFT));
3314
3315 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3316
3317 /* OFDM frame protection */
3318
3319 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3320 RT2860_REG_TXOP_ALLOW_ALL;
3321
3322 if (ic->ic_flags & IEEE80211_F_USEPROT)
3323 {
3324 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3325 "%s: updating protection mode: b/g protection mode=%s\n",
3326 device_get_nameunit(sc->dev),
3327 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3328 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3329
3330 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3331 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3332 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3333 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3334 else
3335 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3336 }
3337 else
3338 {
3339 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3340 "%s: updating protection mode: b/g protection mode=%s\n",
3341 device_get_nameunit(sc->dev), "none");
3342
3343 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3344 }
3345
3346 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3347
3348 /* HT frame protection */
3349
3350 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3351 htopmode = vap->iv_bss->ni_htopmode;
3352 else
3353 htopmode = ic->ic_curhtprotmode;
3354
3355 htprotmode = ic->ic_htprotmode;
3356
3357 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3358
3359 if (sc->tx_ampdu_sessions > 0)
3360 {
3361 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3362 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3363 device_get_nameunit(sc->dev));
3364
3365 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3366 htprotmode = IEEE80211_PROT_RTSCTS;
3367 }
3368
3369 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3370 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3371 device_get_nameunit(sc->dev),
3372 htopmode & IEEE80211_HTINFO_OPMODE,
3373 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3374 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3375
3376 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3377 {
3378 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3379 case IEEE80211_HTINFO_OPMODE_HT20PR:
3380 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3381 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3382 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3383 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3384 (4 << RT2860_REG_PROT_MCS_SHIFT);
3385
3386 gf20_prot = mm20_prot;
3387
3388 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3389 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3390 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3391
3392 if (htprotmode == IEEE80211_PROT_RTSCTS)
3393 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3394 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3395 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3396 else
3397 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3398
3399 gf40_prot = mm40_prot;
3400 break;
3401
3402 /* IEEE80211_HTINFO_OPMODE_MIXED */
3403 case IEEE80211_HTINFO_OPMODE_MIXED:
3404 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3405 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3406 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3407
3408 if (ic->ic_flags & IEEE80211_F_USEPROT)
3409 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3410 (3 << RT2860_REG_PROT_MCS_SHIFT);
3411 else
3412 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3413 (4 << RT2860_REG_PROT_MCS_SHIFT);
3414
3415 if (htprotmode == IEEE80211_PROT_RTSCTS)
3416 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3417 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3418 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3419 else
3420 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3421
3422 gf20_prot = mm20_prot;
3423
3424 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3425
3426 if (ic->ic_flags & IEEE80211_F_USEPROT)
3427 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3428 (3 << RT2860_REG_PROT_MCS_SHIFT);
3429 else
3430 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3431 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3432
3433 if (htprotmode == IEEE80211_PROT_RTSCTS)
3434 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3435 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3436 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3437 else
3438 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3439
3440 gf40_prot = mm40_prot;
3441 break;
3442
3443 /*
3444 * IEEE80211_HTINFO_OPMODE_PURE
3445 * IEEE80211_HTINFO_OPMODE_PROTOPT
3446 */
3447 case IEEE80211_HTINFO_OPMODE_PURE:
3448 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3449 default:
3450 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3451 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3452 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3453 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3454 (4 << RT2860_REG_PROT_MCS_SHIFT);
3455
3456 gf20_prot = mm20_prot;
3457
3458 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3459 RT2860_REG_TXOP_ALLOW_ALL |
3460 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3461 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3462
3463 gf40_prot = mm40_prot;
3464 break;
3465 }
3466
3467 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3468 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3469 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3470 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3471 }
3472
3473 /*
3474 * rt2860_asic_updateslot
3475 */
3476 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3477 {
3478 struct ifnet *ifp;
3479 struct ieee80211com *ic;
3480 struct ieee80211vap *vap;
3481 uint32_t tmp;
3482
3483 ifp = sc->ifp;
3484 ic = ifp->if_l2com;
3485 vap = TAILQ_FIRST(&ic->ic_vaps);
3486
3487 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3488 "%s: %s short slot time\n",
3489 device_get_nameunit(sc->dev),
3490 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3491 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3492
3493 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3494
3495 tmp &= ~0xff;
3496
3497 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3498 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3499 tmp |= IEEE80211_DUR_SHSLOT;
3500 else
3501 tmp |= IEEE80211_DUR_SLOT;
3502
3503 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3504 }
3505
3506 /*
3507 * rt2860_asic_wme_update
3508 */
3509 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3510 {
3511 struct ifnet *ifp;
3512 struct ieee80211com *ic;
3513 struct ieee80211_wme_state *wme;
3514 const struct wmeParams *wmep;
3515 int i;
3516
3517 ifp = sc->ifp;
3518 ic = ifp->if_l2com;
3519 wme = &ic->ic_wme;
3520 wmep = wme->wme_chanParams.cap_wmeParams;
3521
3522 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3523 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3524 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3525 device_get_nameunit(sc->dev),
3526 wmep[WME_AC_VO].wmep_aifsn,
3527 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3528 wmep[WME_AC_VO].wmep_txopLimit,
3529 wmep[WME_AC_VI].wmep_aifsn,
3530 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3531 wmep[WME_AC_VI].wmep_txopLimit,
3532 wmep[WME_AC_BK].wmep_aifsn,
3533 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3534 wmep[WME_AC_BK].wmep_txopLimit,
3535 wmep[WME_AC_BE].wmep_aifsn,
3536 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3537 wmep[WME_AC_BE].wmep_txopLimit);
3538
3539 for (i = 0; i < WME_NUM_AC; i++)
3540 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3541 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3542 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3543
3544 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3545 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3546 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3547
3548 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3549 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3550 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3551
3552 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3553 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3554 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3555
3556 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3557 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3558
3559 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3560 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3561 }
3562
3563 /*
3564 * rt2860_asic_update_beacon
3565 */
3566 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
3567 struct ieee80211vap *vap)
3568 {
3569 struct rt2860_softc_vap *rvap;
3570 struct mbuf *m;
3571 struct rt2860_txwi *txwi;
3572 uint32_t tmp;
3573
3574 rvap = (struct rt2860_softc_vap *) vap;
3575
3576 m = rvap->beacon_mbuf;
3577 txwi = &rvap->beacon_txwi;
3578
3579 /* disable temporarily TSF sync */
3580
3581 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3582
3583 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3584 RT2860_REG_TSF_TIMER_ENABLE |
3585 RT2860_REG_TBTT_TIMER_ENABLE);
3586
3587 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3588
3589 /* write Tx wireless info and beacon frame to on-chip memory */
3590
3591 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3592 txwi, sizeof(struct rt2860_txwi));
3593
3594 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3595 mtod(m, uint8_t *), m->m_pkthdr.len);
3596
3597 /* enable again TSF sync */
3598
3599 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3600
3601 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3602 RT2860_REG_TSF_TIMER_ENABLE |
3603 RT2860_REG_TBTT_TIMER_ENABLE);
3604
3605 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3606 }
3607
3608 /*
3609 * rt2860_asic_clear_keytables
3610 */
3611 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3612 {
3613 int i;
3614
3615 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3616
3617 for (i = 0; i < 256; i++)
3618 {
3619 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3620 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3621 }
3622
3623 /* clear WCID attribute table (entries = 256, entry size = 4) */
3624
3625 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3626
3627 /* clear IV/EIV table (entries = 256, entry size = 8) */
3628
3629 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3630
3631 /* clear pairwise key table (entries = 64, entry size = 32) */
3632
3633 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 64);
3634
3635 /* clear shared key table (entries = 32, entry size = 32) */
3636
3637 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3638
3639 /* clear shared key mode (entries = 32, entry size = 2) */
3640
3641 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3642 }
3643
3644 /*
3645 * rt2860_beacon_alloc
3646 */
3647 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
3648 struct ieee80211vap *vap)
3649 {
3650 struct ieee80211com *ic;
3651 struct rt2860_softc_vap *rvap;
3652 const struct ieee80211_txparam *tp;
3653 struct mbuf *m;
3654 struct rt2860_txwi txwi;
3655 uint8_t rate, mcs;
3656
3657 ic = vap->iv_ic;
3658 rvap = (struct rt2860_softc_vap *) vap;
3659 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3660
3661 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3662 if (m == NULL)
3663 return ENOMEM;
3664
3665 rate = tp->mgmtrate;
3666 mcs = rt2860_rate2mcs(rate);
3667
3668 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3669
3670 txwi.wcid = 0xff;
3671 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3672 RT2860_TXWI_MPDU_LEN_SHIFT);
3673 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3674 txwi.mpdu_density_flags |=
3675 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3676 txwi.bawin_size_xflags |=
3677 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3678
3679 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3680 {
3681 txwi.phymode_ifs_stbc_shortgi =
3682 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3683
3684 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3685 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3686 }
3687 else
3688 {
3689 txwi.phymode_ifs_stbc_shortgi =
3690 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3691 }
3692
3693 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3694 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3695
3696 if (rvap->beacon_mbuf != NULL)
3697 {
3698 m_free(rvap->beacon_mbuf);
3699 rvap->beacon_mbuf = NULL;
3700 }
3701
3702 rvap->beacon_mbuf = m;
3703 rvap->beacon_txwi = txwi;
3704
3705 return 0;
3706 }
3707
3708 /*
3709 * rt2860_rxrate
3710 */
3711 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3712 {
3713 uint8_t mcs, phymode;
3714 uint8_t rate;
3715
3716 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3717 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3718 RT2860_RXWI_PHYMODE_MASK;
3719
3720 rate = 2;
3721
3722 switch (phymode)
3723 {
3724 case RT2860_RXWI_PHYMODE_CCK:
3725 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3726 {
3727 case 0: rate = 2; break; /* 1 Mbps */
3728 case 1: rate = 4; break; /* 2 MBps */
3729 case 2: rate = 11; break; /* 5.5 Mbps */
3730 case 3: rate = 22; break; /* 11 Mbps */
3731 }
3732 break;
3733
3734 case RT2860_RXWI_PHYMODE_OFDM:
3735 switch (mcs)
3736 {
3737 case 0: rate = 12; break; /* 6 Mbps */
3738 case 1: rate = 18; break; /* 9 Mbps */
3739 case 2: rate = 24; break; /* 12 Mbps */
3740 case 3: rate = 36; break; /* 18 Mbps */
3741 case 4: rate = 48; break; /* 24 Mbps */
3742 case 5: rate = 72; break; /* 36 Mbps */
3743 case 6: rate = 96; break; /* 48 Mbps */
3744 case 7: rate = 108; break; /* 54 Mbps */
3745 }
3746 break;
3747
3748 case RT2860_RXWI_PHYMODE_HT_MIXED:
3749 case RT2860_RXWI_PHYMODE_HT_GF:
3750 break;
3751 }
3752
3753 return rate;
3754 }
3755
3756 /*
3757 * rt2860_maxrssi_rxpath
3758 */
3759 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3760 const struct rt2860_rxwi *rxwi)
3761 {
3762 uint8_t rxpath;
3763
3764 rxpath = 0;
3765
3766 if (sc->nrxpath > 1)
3767 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3768 rxpath = 1;
3769
3770 if (sc->nrxpath > 2)
3771 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3772 rxpath = 2;
3773
3774 return rxpath;
3775 }
3776
3777 /*
3778 * rt2860_rssi2dbm
3779 */
3780 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3781 uint8_t rssi, uint8_t rxpath)
3782 {
3783 struct ifnet *ifp;
3784 struct ieee80211com *ic;
3785 struct ieee80211_channel *c;
3786 int chan;
3787 int8_t rssi_off, lna_gain;
3788
3789 if (rssi == 0)
3790 return -99;
3791
3792 ifp = sc->ifp;
3793 ic = ifp->if_l2com;
3794 c = ic->ic_curchan;
3795 chan = ieee80211_chan2ieee(ic, c);
3796
3797 if (IEEE80211_IS_CHAN_5GHZ(c))
3798 {
3799 rssi_off = sc->rssi_off_5ghz[rxpath];
3800
3801 if (chan <= 64)
3802 lna_gain = sc->lna_gain[1];
3803 else if (chan <= 128)
3804 lna_gain = sc->lna_gain[2];
3805 else
3806 lna_gain = sc->lna_gain[3];
3807 }
3808 else
3809 {
3810 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3811 lna_gain = sc->lna_gain[0];
3812 }
3813
3814 return (-12 - rssi_off - lna_gain - rssi);
3815 }
3816
3817 /*
3818 * rt2860_rate2mcs
3819 */
3820 static uint8_t rt2860_rate2mcs(uint8_t rate)
3821 {
3822 switch (rate)
3823 {
3824 /* CCK rates */
3825 case 2: return 0;
3826 case 4: return 1;
3827 case 11: return 2;
3828 case 22: return 3;
3829
3830 /* OFDM rates */
3831 case 12: return 0;
3832 case 18: return 1;
3833 case 24: return 2;
3834 case 36: return 3;
3835 case 48: return 4;
3836 case 72: return 5;
3837 case 96: return 6;
3838 case 108: return 7;
3839 }
3840
3841 return 0;
3842 }
3843
3844 /*
3845 * rt2860_tx_mgmt
3846 */
3847 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3848 struct mbuf *m, struct ieee80211_node *ni, int qid)
3849 {
3850 struct ifnet *ifp;
3851 struct ieee80211com *ic;
3852 struct ieee80211vap *vap;
3853 const struct ieee80211_txparam *tp;
3854 struct rt2860_softc_node *rni;
3855 struct rt2860_softc_tx_ring *ring;
3856 struct rt2860_softc_tx_data *data;
3857 struct rt2860_txdesc *desc;
3858 struct rt2860_txwi *txwi;
3859 struct ieee80211_frame *wh;
3860 struct rt2860_softc_tx_radiotap_header *tap;
3861 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3862 u_int hdrsize, hdrspace;
3863 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3864 uint16_t len, dmalen, mpdu_len, dur;
3865 int error, mimops, ndmasegs, ndescs, i, j;
3866
3867 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3868 ("%s: Tx MGMT: invalid qid=%d\n",
3869 device_get_nameunit(sc->dev), qid));
3870
3871 ifp = sc->ifp;
3872 ic = ifp->if_l2com;
3873 vap = ni->ni_vap;
3874 rni = (struct rt2860_softc_node *) ni;
3875 tp = ni->ni_txparms;
3876
3877 ring = &sc->tx_ring[qid];
3878 desc = &ring->desc[ring->desc_cur];
3879 data = &ring->data[ring->data_cur];
3880 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3881
3882 wh = mtod(m, struct ieee80211_frame *);
3883
3884 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3885
3886 /* fill Tx wireless info */
3887
3888 if (ni->ni_flags & IEEE80211_NODE_HT)
3889 mcs = rate;
3890 else
3891 mcs = rt2860_rate2mcs(rate);
3892
3893 /* calculate MPDU length without padding */
3894
3895 hdrsize = ieee80211_hdrsize(wh);
3896 hdrspace = ieee80211_hdrspace(ic, wh);
3897 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3898
3899 memset(txwi, 0, sizeof(struct rt2860_txwi));
3900
3901 /* management frames do not need encryption */
3902
3903 txwi->wcid = 0xff;
3904
3905 /* MIMO power save */
3906
3907 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
3908 {
3909 if (mcs > 7)
3910 {
3911 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
3912 {
3913 /* dynamic MIMO power save */
3914
3915 txwi->mpdu_density_flags |=
3916 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
3917 }
3918 else
3919 {
3920 /* static MIMO power save */
3921
3922 mcs = 7;
3923 }
3924 }
3925
3926 mimops = 1;
3927 }
3928 else
3929 {
3930 mimops = 0;
3931 }
3932
3933 pid = mcs;
3934
3935 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3936 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3937 RT2860_TXWI_MPDU_LEN_SHIFT);
3938
3939 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
3940 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
3941
3942 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3943 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
3944
3945 txwi->phymode_ifs_stbc_shortgi |=
3946 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3947 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3948
3949 if (ni->ni_flags & IEEE80211_NODE_HT)
3950 {
3951 txwi->phymode_ifs_stbc_shortgi |=
3952 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3953 }
3954 else
3955 {
3956 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3957 {
3958 txwi->phymode_ifs_stbc_shortgi |=
3959 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3960
3961 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3962 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3963 }
3964 else
3965 {
3966 txwi->phymode_ifs_stbc_shortgi |=
3967 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3968 }
3969 }
3970
3971 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3972 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3973
3974 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3975
3976 /* skip ACKs for multicast frames */
3977
3978 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
3979 {
3980 txwi->bawin_size_xflags |=
3981 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3982
3983 if (ni->ni_flags & IEEE80211_NODE_HT)
3984 {
3985 /* preamble + plcp + signal extension + SIFS */
3986
3987 dur = 16 + 4 + 6 + 10;
3988 }
3989 else
3990 {
3991 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3992 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3993 }
3994
3995 *(uint16_t *) wh->i_dur = htole16(dur);
3996 }
3997
3998 /* ask MAC to insert timestamp into probe responses */
3999
4000 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4001 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4002 txwi->mpdu_density_flags |=
4003 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4004
4005 if (ieee80211_radiotap_active_vap(vap))
4006 {
4007 tap = &sc->txtap;
4008
4009 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4010 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4011 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4012 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4013 tap->chan_maxpow = 0;
4014
4015 if (ni->ni_flags & IEEE80211_NODE_HT)
4016 tap->rate = mcs | IEEE80211_RATE_MCS;
4017 else
4018 tap->rate = rate;
4019
4020 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4021 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4022
4023 if (shortgi)
4024 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4025
4026 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4027 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4028
4029 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4030 {
4031 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4032
4033 ieee80211_radiotap_tx(vap, m);
4034
4035 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4036 }
4037 else
4038 {
4039 ieee80211_radiotap_tx(vap, m);
4040 }
4041 }
4042
4043 /* copy and trim 802.11 header */
4044
4045 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4046 m_adj(m, hdrspace);
4047
4048 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4049 dma_seg, &ndmasegs, 0);
4050 if (error != 0)
4051 {
4052 /* too many fragments, linearize */
4053
4054 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4055 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4056 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4057
4058 m = m_defrag(m, M_DONTWAIT);
4059 if (m == NULL)
4060 return ENOMEM;
4061
4062 sc->tx_defrag_packets++;
4063
4064 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4065 dma_seg, &ndmasegs, 0);
4066 if (error != 0)
4067 {
4068 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4069 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4070 m_freem(m);
4071 return error;
4072 }
4073 }
4074
4075 if (m->m_pkthdr.len == 0)
4076 ndmasegs = 0;
4077
4078 /* determine how many Tx descs are required */
4079
4080 ndescs = 1 + ndmasegs / 2;
4081 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4082 {
4083 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4084 "%s: there are not enough Tx descs\n",
4085 device_get_nameunit(sc->dev));
4086
4087 sc->no_tx_desc_avail++;
4088
4089 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4090 m_freem(m);
4091 return EFBIG;
4092 }
4093
4094 data->m = m;
4095 data->ni = ni;
4096
4097 /* set up Tx descs */
4098
4099 /* first segment is Tx wireless info and 802.11 header */
4100
4101 len = sizeof(struct rt2860_txwi) + hdrsize;
4102
4103 /* align end on a 4-bytes boundary */
4104
4105 dmalen = (len + 3) & ~ 3;
4106
4107 memset((caddr_t) txwi + len, 0, dmalen - len);
4108
4109 qsel = RT2860_TXDESC_QSEL_EDCA;
4110
4111 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4112 desc->sdl0 = htole16(dmalen);
4113 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4114
4115 /* set up payload segments */
4116
4117 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4118 {
4119 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4120 desc->sdl1 = htole16(dma_seg[j].ds_len);
4121
4122 ring->desc_queued++;
4123 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4124
4125 j++;
4126
4127 desc = &ring->desc[ring->desc_cur];
4128
4129 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4130 desc->sdl0 = htole16(dma_seg[j].ds_len);
4131 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4132
4133 j++;
4134 }
4135
4136 /* finalize last payload segment */
4137
4138 if (i > 0)
4139 {
4140 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4141 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4142 }
4143 else
4144 {
4145 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4146 desc->sdl1 = 0;
4147 }
4148
4149 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4150 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4151 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4152 device_get_nameunit(sc->dev),
4153 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4154 stbc, shortgi, mcs, mimops, dmalen, ndmasegs,
4155 (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);
4156
4157 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4158 BUS_DMASYNC_PREWRITE);
4159 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4160 BUS_DMASYNC_PREWRITE);
4161 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4162 BUS_DMASYNC_PREWRITE);
4163
4164 ring->desc_queued++;
4165 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4166
4167 ring->data_queued++;
4168 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4169
4170 /* kick Tx */
4171
4172 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4173
4174 return 0;
4175 }
4176
4177 /*
4178 * rt2860_tx_data
4179 */
4180 static int rt2860_tx_data(struct rt2860_softc *sc,
4181 struct mbuf *m, struct ieee80211_node *ni, int qid)
4182 {
4183 struct ifnet *ifp;
4184 struct ieee80211com *ic;
4185 struct ieee80211vap *vap;
4186 const struct ieee80211_txparam *tp;
4187 struct rt2860_softc_node *rni;
4188 struct rt2860_softc_tx_ring *ring;
4189 struct rt2860_softc_tx_data *data;
4190 struct rt2860_txdesc *desc;
4191 struct rt2860_txwi *txwi;
4192 struct ieee80211_frame *wh;
4193 struct ieee80211_tx_ampdu *tx_ampdu;
4194 ieee80211_seq seqno;
4195 struct rt2860_softc_tx_radiotap_header *tap;
4196 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4197 u_int hdrsize, hdrspace;
4198 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4199 uint16_t qos, len, dmalen, mpdu_len, dur;
4200 int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j;
4201
4202 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4203 ("%s: Tx data: invalid qid=%d\n",
4204 device_get_nameunit(sc->dev), qid));
4205
4206 ifp = sc->ifp;
4207 ic = ifp->if_l2com;
4208 vap = ni->ni_vap;
4209 rni = (struct rt2860_softc_node *) ni;
4210 tp = ni->ni_txparms;
4211
4212 ring = &sc->tx_ring[qid];
4213 desc = &ring->desc[ring->desc_cur];
4214 data = &ring->data[ring->data_cur];
4215 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4216
4217 wh = mtod(m, struct ieee80211_frame *);
4218
4219 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4220
4221 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4222 if (hasqos)
4223 {
4224 if (IEEE80211_HAS_ADDR4(wh))
4225 qos = le16toh(*(const uint16_t *)
4226 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4227 else
4228 qos = le16toh(*(const uint16_t *)
4229 (((struct ieee80211_qosframe *) wh)->i_qos));
4230 }
4231 else
4232 {
4233 qos = 0;
4234 }
4235
4236 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4237 rate = tp->mcastrate;
4238 else if (m->m_flags & M_EAPOL)
4239 rate = tp->mgmtrate;
4240 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4241 rate = tp->ucastrate;
4242 else
4243 rate = ni->ni_txrate;
4244
4245 rate &= IEEE80211_RATE_VAL;
4246
4247 /* fill Tx wireless info */
4248
4249 if (ni->ni_flags & IEEE80211_NODE_HT)
4250 mcs = rate;
4251 else
4252 mcs = rt2860_rate2mcs(rate);
4253
4254 if (type == IEEE80211_FC0_TYPE_DATA)
4255 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? RT2860_AID2WCID(ni->ni_associd) : 0;
4256 else
4257 wcid = 0xff;
4258
4259 /* calculate MPDU length without padding */
4260
4261 hdrsize = ieee80211_hdrsize(wh);
4262 hdrspace = ieee80211_hdrspace(ic, wh);
4263 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4264
4265 memset(txwi, 0, sizeof(struct rt2860_txwi));
4266
4267 txwi->wcid = wcid;
4268
4269 /* MIMO power save */
4270
4271 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4272 {
4273 if (mcs > 7)
4274 {
4275 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4276 {
4277 /* dynamic MIMO power save */
4278
4279 txwi->mpdu_density_flags |=
4280 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4281 }
4282 else
4283 {
4284 /* static MIMO power save */
4285
4286 mcs = 7;
4287 }
4288 }
4289
4290 mimops = 1;
4291 }
4292 else
4293 {
4294 mimops = 0;
4295 }
4296
4297 pid = mcs;
4298
4299 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4300 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4301 RT2860_TXWI_MPDU_LEN_SHIFT);
4302
4303 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4304 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4305
4306 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4307 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4308
4309 txwi->phymode_ifs_stbc_shortgi |=
4310 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4311 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4312
4313 if (ni->ni_flags & IEEE80211_NODE_HT)
4314 {
4315 txwi->phymode_ifs_stbc_shortgi |=
4316 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4317 }
4318 else
4319 {
4320 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4321 {
4322 txwi->phymode_ifs_stbc_shortgi |=
4323 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4324
4325 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4326 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4327 }
4328 else
4329 {
4330 txwi->phymode_ifs_stbc_shortgi |=
4331 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4332 }
4333 }
4334
4335 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4336 bw = RT2860_TXWI_BW_40;
4337 else
4338 bw = RT2860_TXWI_BW_20;
4339
4340 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4341 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4342
4343 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4344
4345 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4346 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4347 {
4348 txwi->bawin_size_xflags |=
4349 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4350
4351 if (ni->ni_flags & IEEE80211_NODE_HT)
4352 {
4353 /* preamble + plcp + signal extension + SIFS */
4354
4355 dur = 16 + 4 + 6 + 10;
4356 }
4357 else
4358 {
4359 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4360 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4361 }
4362
4363 *(uint16_t *) wh->i_dur = htole16(dur);
4364 }
4365
4366 /* check for A-MPDU */
4367
4368 if (m->m_flags & M_AMPDU_MPDU)
4369 {
4370 ac = M_WME_GETAC(m);
4371 tid = WME_AC_TO_TID(ac);
4372 tx_ampdu = &ni->ni_tx_ampdu[ac];
4373
4374 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4375 bawin_size = tx_ampdu->txa_wnd;
4376
4377 txwi->mpdu_density_flags |=
4378 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4379 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4380
4381 txwi->bawin_size_xflags |=
4382 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4383
4384 seqno = ni->ni_txseqs[tid]++;
4385
4386 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4387
4388 ampdu = 1;
4389 }
4390 else
4391 {
4392 ampdu = 0;
4393 }
4394
4395 /* ask MAC to insert timestamp into probe responses */
4396
4397 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4398 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4399 txwi->mpdu_density_flags |=
4400 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4401
4402 if (ieee80211_radiotap_active_vap(vap))
4403 {
4404 tap = &sc->txtap;
4405
4406 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4407 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4408 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4409 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4410 tap->chan_maxpow = 0;
4411
4412 if (ni->ni_flags & IEEE80211_NODE_HT)
4413 tap->rate = mcs | IEEE80211_RATE_MCS;
4414 else
4415 tap->rate = rate;
4416
4417 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4418 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4419
4420 if (shortgi)
4421 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4422
4423 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4424 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4425
4426 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4427 {
4428 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4429
4430 ieee80211_radiotap_tx(vap, m);
4431
4432 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4433 }
4434 else
4435 {
4436 ieee80211_radiotap_tx(vap, m);
4437 }
4438 }
4439
4440 /* copy and trim 802.11 header */
4441
4442 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4443 m_adj(m, hdrspace);
4444
4445 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4446 dma_seg, &ndmasegs, 0);
4447 if (error != 0)
4448 {
4449 /* too many fragments, linearize */
4450
4451 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4452 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4453 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4454
4455 m = m_defrag(m, M_DONTWAIT);
4456 if (m == NULL)
4457 return ENOMEM;
4458
4459 sc->tx_defrag_packets++;
4460
4461 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4462 dma_seg, &ndmasegs, 0);
4463 if (error != 0)
4464 {
4465 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4466 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4467 m_freem(m);
4468 return error;
4469 }
4470 }
4471
4472 if (m->m_pkthdr.len == 0)
4473 ndmasegs = 0;
4474
4475 /* determine how many Tx descs are required */
4476
4477 ndescs = 1 + ndmasegs / 2;
4478 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4479 {
4480 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4481 "%s: there are not enough Tx descs\n",
4482 device_get_nameunit(sc->dev));
4483
4484 sc->no_tx_desc_avail++;
4485
4486 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4487 m_freem(m);
4488 return EFBIG;
4489 }
4490
4491 data->m = m;
4492 data->ni = ni;
4493
4494 /* set up Tx descs */
4495
4496 /* first segment is Tx wireless info and 802.11 header */
4497
4498 len = sizeof(struct rt2860_txwi) + hdrsize;
4499
4500 /* align end on a 4-bytes boundary */
4501
4502 dmalen = (len + 3) & ~ 3;
4503
4504 memset((caddr_t) txwi + len, 0, dmalen - len);
4505
4506 qsel = RT2860_TXDESC_QSEL_EDCA;
4507
4508 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4509 desc->sdl0 = htole16(dmalen);
4510 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4511
4512 /* set up payload segments */
4513
4514 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4515 {
4516 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4517 desc->sdl1 = htole16(dma_seg[j].ds_len);
4518
4519 ring->desc_queued++;
4520 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4521
4522 j++;
4523
4524 desc = &ring->desc[ring->desc_cur];
4525
4526 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4527 desc->sdl0 = htole16(dma_seg[j].ds_len);
4528 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4529
4530 j++;
4531 }
4532
4533 /* finalize last payload segment */
4534
4535 if (i > 0)
4536 {
4537 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4538 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4539 }
4540 else
4541 {
4542 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4543 desc->sdl1 = 0;
4544 }
4545
4546 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4547 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4548 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4549 device_get_nameunit(sc->dev),
4550 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4551 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen, ndmasegs,
4552 (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);
4553
4554 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4555 BUS_DMASYNC_PREWRITE);
4556 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4557 BUS_DMASYNC_PREWRITE);
4558 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4559 BUS_DMASYNC_PREWRITE);
4560
4561 ring->desc_queued++;
4562 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4563
4564 ring->data_queued++;
4565 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4566
4567 /* kick Tx */
4568
4569 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4570
4571 return 0;
4572 }
4573
4574 /*
4575 * rt2860_tx_raw
4576 */
4577 static int rt2860_tx_raw(struct rt2860_softc *sc,
4578 struct mbuf *m, struct ieee80211_node *ni,
4579 const struct ieee80211_bpf_params *params)
4580 {
4581 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4582 "%s: Tx raw\n",
4583 device_get_nameunit(sc->dev));
4584
4585 return 0;
4586 }
4587
4588 /*
4589 * rt2860_intr
4590 */
4591 static void rt2860_intr(void *arg)
4592 {
4593 struct rt2860_softc *sc;
4594 struct ifnet *ifp;
4595 uint32_t status;
4596
4597 sc = arg;
4598 ifp = sc->ifp;
4599
4600 /* acknowledge interrupts */
4601
4602 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4603 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4604
4605 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4606 "%s: interrupt: status = 0x%08x\n",
4607 device_get_nameunit(sc->dev), status);
4608
4609 if (status == 0xffffffff || /* device likely went away */
4610 status == 0) /* not for us */
4611 return;
4612
4613 sc->interrupts++;
4614
4615 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4616 return;
4617
4618 if (status & RT2860_REG_INT_TX_COHERENT)
4619 rt2860_tx_coherent_intr(sc);
4620
4621 if (status & RT2860_REG_INT_RX_COHERENT)
4622 rt2860_rx_coherent_intr(sc);
4623
4624 if (status & RT2860_REG_INT_TXRX_COHERENT)
4625 rt2860_txrx_coherent_intr(sc);
4626
4627 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4628 rt2860_fifo_sta_full_intr(sc);
4629
4630 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4631 rt2860_tx_intr(sc, 5);
4632
4633 if (status & RT2860_REG_INT_RX_DONE)
4634 rt2860_rx_intr(sc);
4635
4636 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4637 rt2860_rx_delay_intr(sc);
4638
4639 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4640 rt2860_tx_intr(sc, 4);
4641
4642 if (status & RT2860_REG_INT_TX_AC3_DONE)
4643 rt2860_tx_intr(sc, 3);
4644
4645 if (status & RT2860_REG_INT_TX_AC2_DONE)
4646 rt2860_tx_intr(sc, 2);
4647
4648 if (status & RT2860_REG_INT_TX_AC1_DONE)
4649 rt2860_tx_intr(sc, 1);
4650
4651 if (status & RT2860_REG_INT_TX_AC0_DONE)
4652 rt2860_tx_intr(sc, 0);
4653
4654 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4655 rt2860_tx_delay_intr(sc);
4656
4657 if (status & RT2860_REG_INT_PRE_TBTT)
4658 rt2860_pre_tbtt_intr(sc);
4659
4660 if (status & RT2860_REG_INT_TBTT)
4661 rt2860_tbtt_intr(sc);
4662
4663 if (status & RT2860_REG_INT_MCU_CMD)
4664 rt2860_mcu_cmd_intr(sc);
4665
4666 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4667 rt2860_auto_wakeup_intr(sc);
4668
4669 if (status & RT2860_REG_INT_GP_TIMER)
4670 rt2860_gp_timer_intr(sc);
4671 }
4672
4673 /*
4674 * rt2860_tx_coherent_intr
4675 */
4676 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4677 {
4678 uint32_t tmp;
4679 int i;
4680
4681 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4682 "%s: Tx coherent interrupt\n",
4683 device_get_nameunit(sc->dev));
4684
4685 sc->tx_coherent_interrupts++;
4686
4687 /* restart DMA engine */
4688
4689 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4690
4691 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4692 RT2860_REG_RX_DMA_ENABLE |
4693 RT2860_REG_TX_DMA_ENABLE);
4694
4695 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4696
4697 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4698
4699 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4700 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4701
4702 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4703 {
4704 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4705 sc->tx_ring[i].desc_phys_addr);
4706 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4707 RT2860_SOFTC_TX_RING_DESC_COUNT);
4708 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4709 }
4710
4711 /* init Rx ring */
4712
4713 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4714
4715 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4716 sc->rx_ring.desc_phys_addr);
4717 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4718 RT2860_SOFTC_RX_RING_DATA_COUNT);
4719 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4720 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4721
4722 rt2860_txrx_enable(sc);
4723 }
4724
4725 /*
4726 * rt2860_rx_coherent_intr
4727 */
4728 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4729 {
4730 uint32_t tmp;
4731 int i;
4732
4733 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4734 "%s: Rx coherent interrupt\n",
4735 device_get_nameunit(sc->dev));
4736
4737 sc->rx_coherent_interrupts++;
4738
4739 /* restart DMA engine */
4740
4741 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4742
4743 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4744 RT2860_REG_RX_DMA_ENABLE |
4745 RT2860_REG_TX_DMA_ENABLE);
4746
4747 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4748
4749 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4750
4751 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4752 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4753
4754 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4755 {
4756 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4757 sc->tx_ring[i].desc_phys_addr);
4758 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4759 RT2860_SOFTC_TX_RING_DESC_COUNT);
4760 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4761 }
4762
4763 /* init Rx ring */
4764
4765 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4766
4767 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4768 sc->rx_ring.desc_phys_addr);
4769 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4770 RT2860_SOFTC_RX_RING_DATA_COUNT);
4771 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4772 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4773
4774 rt2860_txrx_enable(sc);
4775 }
4776
4777 /*
4778 * rt2860_txrx_coherent_intr
4779 */
4780 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4781 {
4782 uint32_t tmp;
4783 int i;
4784
4785 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4786 "%s: Tx/Rx coherent interrupt\n",
4787 device_get_nameunit(sc->dev));
4788
4789 sc->txrx_coherent_interrupts++;
4790
4791 /* restart DMA engine */
4792
4793 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4794
4795 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4796 RT2860_REG_RX_DMA_ENABLE |
4797 RT2860_REG_TX_DMA_ENABLE);
4798
4799 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4800
4801 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4802
4803 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4804 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4805
4806 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4807 {
4808 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4809 sc->tx_ring[i].desc_phys_addr);
4810 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4811 RT2860_SOFTC_TX_RING_DESC_COUNT);
4812 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4813 }
4814
4815 /* init Rx ring */
4816
4817 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4818
4819 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4820 sc->rx_ring.desc_phys_addr);
4821 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4822 RT2860_SOFTC_RX_RING_DATA_COUNT);
4823 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4824 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4825
4826 rt2860_txrx_enable(sc);
4827 }
4828
4829 /*
4830 * rt2860_fifo_sta_full_intr
4831 */
4832 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4833 {
4834 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4835 "%s: FIFO statistic full interrupt\n",
4836 device_get_nameunit(sc->dev));
4837
4838 sc->fifo_sta_full_interrupts++;
4839
4840 RT2860_SOFTC_LOCK(sc);
4841
4842 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4843 {
4844 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4845
4846 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4847 }
4848
4849 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4850
4851 RT2860_SOFTC_UNLOCK(sc);
4852 }
4853
4854 /*
4855 * rt2860_rx_intr
4856 */
4857 static void rt2860_rx_intr(struct rt2860_softc *sc)
4858 {
4859 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4860 "%s: Rx interrupt\n",
4861 device_get_nameunit(sc->dev));
4862
4863 sc->rx_interrupts++;
4864
4865 RT2860_SOFTC_LOCK(sc);
4866
4867 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4868 {
4869 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4870
4871 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4872 }
4873
4874 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4875
4876 RT2860_SOFTC_UNLOCK(sc);
4877 }
4878
4879 /*
4880 * rt2860_rx_delay_intr
4881 */
4882 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4883 {
4884 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4885 "%s: Rx delay interrupt\n",
4886 device_get_nameunit(sc->dev));
4887
4888 sc->rx_delay_interrupts++;
4889 }
4890
4891 /*
4892 * rt2860_tx_intr
4893 */
4894 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4895 {
4896 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4897 ("%s: Tx interrupt: invalid qid=%d\n",
4898 device_get_nameunit(sc->dev), qid));
4899
4900 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4901 "%s: Tx interrupt: qid=%d\n",
4902 device_get_nameunit(sc->dev), qid);
4903
4904 sc->tx_interrupts[qid]++;
4905
4906 RT2860_SOFTC_LOCK(sc);
4907
4908 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4909 {
4910 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4911
4912 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4913 }
4914
4915 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4916
4917 RT2860_SOFTC_UNLOCK(sc);
4918 }
4919
4920 /*
4921 * rt2860_tx_delay_intr
4922 */
4923 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4924 {
4925 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4926 "%s: Tx delay interrupt\n",
4927 device_get_nameunit(sc->dev));
4928
4929 sc->tx_delay_interrupts++;
4930 }
4931
4932 /*
4933 * rt2860_pre_tbtt_intr
4934 */
4935 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4936 {
4937 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4938 "%s: Pre-TBTT interrupt\n",
4939 device_get_nameunit(sc->dev));
4940
4941 sc->pre_tbtt_interrupts++;
4942 }
4943
4944 /*
4945 * rt2860_tbtt_intr
4946 */
4947 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4948 {
4949 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4950 "%s: TBTT interrupt\n",
4951 device_get_nameunit(sc->dev));
4952
4953 sc->tbtt_interrupts++;
4954 }
4955
4956 /*
4957 * rt2860_mcu_cmd_intr
4958 */
4959 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4960 {
4961 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4962 "%s: MCU command interrupt\n",
4963 device_get_nameunit(sc->dev));
4964
4965 sc->mcu_cmd_interrupts++;
4966 }
4967
4968 /*
4969 * rt2860_auto_wakeup_intr
4970 */
4971 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4972 {
4973 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4974 "%s: auto wakeup interrupt\n",
4975 device_get_nameunit(sc->dev));
4976
4977 sc->auto_wakeup_interrupts++;
4978 }
4979
4980 /*
4981 * rt2860_gp_timer_intr
4982 */
4983 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4984 {
4985 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4986 "%s: GP timer interrupt\n",
4987 device_get_nameunit(sc->dev));
4988
4989 sc->gp_timer_interrupts++;
4990 }
4991
4992 /*
4993 * rt2860_rx_done_task
4994 */
4995 static void rt2860_rx_done_task(void *context, int pending)
4996 {
4997 struct rt2860_softc *sc;
4998 struct ifnet *ifp;
4999 int again;
5000
5001 sc = context;
5002 ifp = sc->ifp;
5003
5004 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5005 "%s: Rx done task\n",
5006 device_get_nameunit(sc->dev));
5007
5008 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5009 return;
5010
5011 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
5012
5013 again = rt2860_rx_eof(sc, sc->rx_process_limit);
5014
5015 RT2860_SOFTC_LOCK(sc);
5016
5017 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
5018 {
5019 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5020 "%s: Rx done task: scheduling again\n",
5021 device_get_nameunit(sc->dev));
5022
5023 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5024 }
5025 else
5026 {
5027 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
5028 }
5029
5030 RT2860_SOFTC_UNLOCK(sc);
5031 }
5032
5033 /*
5034 * rt2860_tx_done_task
5035 */
5036 static void rt2860_tx_done_task(void *context, int pending)
5037 {
5038 struct rt2860_softc *sc;
5039 struct ifnet *ifp;
5040 uint32_t intr_mask;
5041 int i;
5042
5043 sc = context;
5044 ifp = sc->ifp;
5045
5046 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5047 "%s: Tx done task\n",
5048 device_get_nameunit(sc->dev));
5049
5050 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5051 return;
5052
5053 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
5054 {
5055 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
5056 {
5057 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
5058
5059 rt2860_tx_eof(sc, &sc->tx_ring[i]);
5060 }
5061 }
5062
5063 sc->tx_timer = 0;
5064
5065 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5066
5067 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
5068 RT2860_REG_INT_TX_HCCA_DONE |
5069 RT2860_REG_INT_TX_AC3_DONE |
5070 RT2860_REG_INT_TX_AC2_DONE |
5071 RT2860_REG_INT_TX_AC1_DONE |
5072 RT2860_REG_INT_TX_AC0_DONE);
5073
5074 RT2860_SOFTC_LOCK(sc);
5075
5076 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
5077 (sc->intr_disable_mask & intr_mask));
5078
5079 if (sc->intr_pending_mask & intr_mask)
5080 {
5081 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5082 "%s: Tx done task: scheduling again\n",
5083 device_get_nameunit(sc->dev));
5084
5085 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5086 }
5087
5088 RT2860_SOFTC_UNLOCK(sc);
5089 }
5090
5091 /*
5092 * rt2860_fifo_sta_full_task
5093 */
5094 static void rt2860_fifo_sta_full_task(void *context, int pending)
5095 {
5096 struct rt2860_softc *sc;
5097 struct ifnet *ifp;
5098
5099 sc = context;
5100 ifp = sc->ifp;
5101
5102 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5103 "%s: FIFO statistic full task\n",
5104 device_get_nameunit(sc->dev));
5105
5106 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5107 return;
5108
5109 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
5110
5111 rt2860_drain_fifo_stats(sc);
5112
5113 RT2860_SOFTC_LOCK(sc);
5114
5115 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
5116 {
5117 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5118 "%s: FIFO statistic full task: scheduling again\n",
5119 device_get_nameunit(sc->dev));
5120
5121 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5122 }
5123 else
5124 {
5125 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5126 }
5127
5128 RT2860_SOFTC_UNLOCK(sc);
5129 }
5130
5131 /*
5132 * rt2860_periodic_task
5133 */
5134 static void rt2860_periodic_task(void *context, int pending)
5135 {
5136 struct rt2860_softc *sc;
5137 struct ifnet *ifp;
5138 struct ieee80211com *ic;
5139 struct ieee80211vap *vap;
5140
5141 sc = context;
5142 ifp = sc->ifp;
5143 ic = ifp->if_l2com;
5144 vap = TAILQ_FIRST(&ic->ic_vaps);
5145
5146 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5147 "%s: periodic task: round=%lu\n",
5148 device_get_nameunit(sc->dev), sc->periodic_round);
5149
5150 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5151 return;
5152
5153 RT2860_SOFTC_LOCK(sc);
5154
5155 sc->periodic_round++;
5156
5157 rt2860_update_stats(sc);
5158
5159 if ((sc->periodic_round % 10) == 0)
5160 {
5161 rt2860_bbp_tuning(sc);
5162
5163 rt2860_update_raw_counters(sc);
5164
5165 rt2860_watchdog(sc);
5166
5167 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5168 {
5169 if (vap->iv_opmode == IEEE80211_M_STA)
5170 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5171 else
5172 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5173 }
5174 }
5175
5176 RT2860_SOFTC_UNLOCK(sc);
5177
5178 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5179 }
5180
5181 /*
5182 * rt2860_rx_eof
5183 */
5184 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5185 {
5186 struct ifnet *ifp;
5187 struct ieee80211com *ic;
5188 struct ieee80211_frame *wh;
5189 struct ieee80211_node *ni;
5190 struct rt2860_softc_node *rni;
5191 struct rt2860_softc_rx_radiotap_header *tap;
5192 struct rt2860_softc_rx_ring *ring;
5193 struct rt2860_rxdesc *desc;
5194 struct rt2860_softc_rx_data *data;
5195 struct rt2860_rxwi *rxwi;
5196 struct mbuf *m, *mnew;
5197 bus_dma_segment_t segs[1];
5198 bus_dmamap_t dma_map;
5199 uint32_t index, desc_flags;
5200 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
5201 int8_t rssi_dbm;
5202 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5203
5204 ifp = sc->ifp;
5205 ic = ifp->if_l2com;
5206 ring = &sc->rx_ring;
5207
5208 nframes = 0;
5209
5210 while (limit != 0)
5211 {
5212 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5213 if (ring->cur == index)
5214 break;
5215
5216 desc = &ring->desc[ring->cur];
5217 desc_flags = le32toh(desc->flags);
5218 data = &ring->data[ring->cur];
5219
5220 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5221 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5222
5223 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5224 break;
5225
5226 nframes++;
5227
5228 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5229 if (mnew == NULL)
5230 {
5231 sc->rx_mbuf_alloc_errors++;
5232 ifp->if_ierrors++;
5233 goto skip;
5234 }
5235
5236 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5237
5238 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5239 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5240 if (error != 0)
5241 {
5242 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5243 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5244 device_get_nameunit(sc->dev), error, nsegs);
5245
5246 m_freem(mnew);
5247
5248 sc->rx_mbuf_dmamap_errors++;
5249 ifp->if_ierrors++;
5250
5251 goto skip;
5252 }
5253
5254 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5255 device_get_nameunit(sc->dev)));
5256
5257 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5258 BUS_DMASYNC_POSTREAD);
5259 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5260
5261 dma_map = data->dma_map;
5262 data->dma_map = ring->spare_dma_map;
5263 ring->spare_dma_map = dma_map;
5264
5265 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5266 BUS_DMASYNC_PREREAD);
5267
5268 m = data->m;
5269
5270 data->m = mnew;
5271 desc->sdp0 = htole32(segs[0].ds_addr);
5272
5273 /* get Rx wireless info */
5274
5275 rxwi = mtod(m, struct rt2860_rxwi *);
5276 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5277 RT2860_RXWI_SIZE_MASK;
5278
5279 /* check for L2 padding between IEEE 802.11 frame header and body */
5280
5281 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5282 {
5283 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5284 "%s: L2 padding: len=%d\n",
5285 device_get_nameunit(sc->dev), len);
5286
5287 len += 2;
5288 }
5289
5290 m->m_pkthdr.rcvif = ifp;
5291 m->m_data = (caddr_t) (rxwi + 1);
5292 m->m_pkthdr.len = m->m_len = len;
5293
5294 /* check for crc errors */
5295
5296 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5297 {
5298 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5299 "%s: rxdesc: crc error\n",
5300 device_get_nameunit(sc->dev));
5301
5302 ifp->if_ierrors++;
5303
5304 if (!(ifp->if_flags & IFF_PROMISC))
5305 {
5306 m_freem(m);
5307 goto skip;
5308 }
5309 }
5310
5311 wh = (struct ieee80211_frame *) (rxwi + 1);
5312
5313 /* check for cipher errors */
5314
5315 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5316 {
5317 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5318 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5319 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5320 {
5321 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5322 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5323
5324 m->m_flags |= M_WEP;
5325
5326 sc->rx_cipher_no_errors++;
5327 }
5328 else
5329 {
5330 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5331 "%s: rxdesc: cipher error=0x%02x\n",
5332 device_get_nameunit(sc->dev), cipher_err);
5333
5334 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5335 sc->rx_cipher_icv_errors++;
5336 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5337 sc->rx_cipher_mic_errors++;
5338 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5339 sc->rx_cipher_invalid_key_errors++;
5340
5341 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5342 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5343 {
5344 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5345 if (ni != NULL)
5346 {
5347 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5348 RT2860_RXWI_KEYIDX_MASK;
5349
5350 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5351
5352 ieee80211_free_node(ni);
5353 }
5354 }
5355
5356 ifp->if_ierrors++;
5357
5358 if (!(ifp->if_flags & IFF_PROMISC))
5359 {
5360 m_free(m);
5361 goto skip;
5362 }
5363 }
5364 }
5365 else
5366 {
5367 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5368 {
5369 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5370 "%s: rxdesc: not decrypted but protected flag set\n",
5371 device_get_nameunit(sc->dev));
5372
5373 ifp->if_ierrors++;
5374
5375 if (!(ifp->if_flags & IFF_PROMISC))
5376 {
5377 m_free(m);
5378 goto skip;
5379 }
5380 }
5381 }
5382
5383 /* check for A-MPDU */
5384
5385 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5386 {
5387 m->m_flags |= M_AMPDU;
5388
5389 sc->rx_ampdu++;
5390
5391 ampdu = 1;
5392 }
5393 else
5394 {
5395 ampdu = 0;
5396 }
5397
5398 /* check for A-MSDU */
5399
5400 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5401 {
5402 sc->rx_amsdu++;
5403
5404 amsdu = 1;
5405 }
5406 else
5407 {
5408 amsdu = 0;
5409 }
5410
5411 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5412 rssi = rxwi->rssi[ant];
5413 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5414 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5415 RT2860_RXWI_PHYMODE_MASK);
5416 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5417 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5418 RT2860_RXWI_SHORTGI_MASK);
5419 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5420
5421 if (ieee80211_radiotap_active(ic))
5422 {
5423 tap = &sc->rxtap;
5424
5425 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5426 tap->dbm_antsignal = rssi_dbm;
5427 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5428 tap->antenna = ant;
5429 tap->antsignal = rssi;
5430 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5431 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5432 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5433 tap->chan_maxpow = 0;
5434
5435 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5436 tap->rate = mcs | IEEE80211_RATE_MCS;
5437 else
5438 tap->rate = rt2860_rxrate(rxwi);
5439
5440 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5441 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5442
5443 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5444 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5445
5446 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5447 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5448
5449 if ((desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED) ||
5450 (wh->i_fc[1] & IEEE80211_FC1_WEP))
5451 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5452
5453 if (shortgi)
5454 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5455 }
5456
5457 /*
5458 * net80211 assumes that RSSI data are in the range [-127..127] and
5459 * in .5 dBm units relative to the current noise floor
5460 */
5461
5462 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5463 if (rssi_dbm_rel > 127)
5464 rssi_dbm_rel = 127;
5465
5466 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5467 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5468 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5469 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5470 device_get_nameunit(sc->dev),
5471 len, phymode, bw, shortgi, mcs,
5472 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5473 rxwi->snr[0], rxwi->snr[1],
5474 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5475
5476 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5477 if (ni != NULL)
5478 {
5479 rni = (struct rt2860_softc_node *) ni;
5480
5481 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5482 {
5483 rni->last_rssi[i] = rxwi->rssi[i];
5484 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5485 }
5486
5487 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5488 ieee80211_free_node(ni);
5489 }
5490 else
5491 {
5492 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5493 }
5494
5495 skip:
5496
5497 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5498
5499 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5500 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5501
5502 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5503
5504 limit--;
5505 }
5506
5507 if (ring->cur == 0)
5508 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5509 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5510 else
5511 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5512 ring->cur - 1);
5513
5514 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5515 "%s: Rx eof: nframes=%d\n",
5516 device_get_nameunit(sc->dev), nframes);
5517
5518 sc->rx_packets += nframes;
5519
5520 return (limit == 0);
5521 }
5522
5523 /*
5524 * rt2860_tx_eof
5525 */
5526 static void rt2860_tx_eof(struct rt2860_softc *sc,
5527 struct rt2860_softc_tx_ring *ring)
5528 {
5529 struct ifnet *ifp;
5530 struct rt2860_txdesc *desc;
5531 struct rt2860_softc_tx_data *data;
5532 uint32_t index;
5533 int ndescs, nframes;
5534
5535 ifp = sc->ifp;
5536
5537 ndescs = 0;
5538 nframes = 0;
5539
5540 for (;;)
5541 {
5542 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5543 if (ring->desc_next == index)
5544 break;
5545
5546 ndescs++;
5547
5548 rt2860_drain_fifo_stats(sc);
5549
5550 desc = &ring->desc[ring->desc_next];
5551
5552 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5553 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5554
5555 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5556 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5557 {
5558 nframes++;
5559
5560 data = &ring->data[ring->data_next];
5561
5562 if (data->m->m_flags & M_TXCB)
5563 ieee80211_process_callback(data->ni, data->m, 0);
5564
5565 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5566 BUS_DMASYNC_POSTWRITE);
5567 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5568
5569 m_freem(data->m);
5570
5571 ieee80211_free_node(data->ni);
5572
5573 data->m = NULL;
5574 data->ni = NULL;
5575
5576 ifp->if_opackets++;
5577
5578 RT2860_SOFTC_LOCK(sc);
5579
5580 ring->data_queued--;
5581 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5582
5583 RT2860_SOFTC_UNLOCK(sc);
5584 }
5585
5586 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5587
5588 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5589 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5590
5591 RT2860_SOFTC_LOCK(sc);
5592
5593 ring->desc_queued--;
5594 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5595
5596 RT2860_SOFTC_UNLOCK(sc);
5597 }
5598
5599 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5600 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5601 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5602 }
5603
5604 /*
5605 * rt2860_update_stats
5606 */
5607 static void rt2860_update_stats(struct rt2860_softc *sc)
5608 {
5609 struct ifnet *ifp;
5610 struct ieee80211com *ic;
5611 struct ieee80211vap *vap;
5612 struct ieee80211_node *ni;
5613 uint32_t stacnt[3];
5614 int beacons, noretryok, retryok, failed, underflows, zerolen;
5615 uint16_t associd;
5616 uint8_t wcid;
5617
5618 ifp = sc->ifp;
5619 ic = ifp->if_l2com;
5620 vap = TAILQ_FIRST(&ic->ic_vaps);
5621
5622 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5623 "%s: update statistic\n",
5624 device_get_nameunit(sc->dev));
5625
5626 rt2860_drain_fifo_stats(sc);
5627
5628 /* read and clear Tx statistic registers */
5629
5630 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5631 stacnt, sizeof(stacnt));
5632
5633 stacnt[0] = le32toh(stacnt[0]);
5634 stacnt[1] = le32toh(stacnt[1]);
5635 stacnt[2] = le32toh(stacnt[2]);
5636
5637 beacons = stacnt[0] >> 16;
5638 noretryok = stacnt[1] & 0xffff;
5639 retryok = stacnt[1] >> 16;
5640 failed = stacnt[0] & 0xffff;
5641 underflows = stacnt[2] >> 16;
5642 zerolen = stacnt[2] & 0xffff;
5643
5644 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5645 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5646 device_get_nameunit(sc->dev),
5647 beacons, noretryok, retryok, failed, underflows, zerolen);
5648
5649 ifp->if_oerrors += failed;
5650
5651 sc->tx_beacons += beacons;
5652 sc->tx_noretryok += noretryok;
5653 sc->tx_retryok += retryok;
5654 sc->tx_failed += failed;
5655 sc->tx_underflows += underflows;
5656 sc->tx_zerolen += zerolen;
5657
5658 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5659 {
5660 ni = vap->iv_bss;
5661
5662 associd = (ni != NULL) ? ni->ni_associd : 0;
5663 wcid = RT2860_AID2WCID(associd);
5664
5665 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5666 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5667 }
5668 }
5669
5670 /*
5671 * rt2860_bbp_tuning
5672 */
5673 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5674 {
5675 struct ifnet *ifp;
5676 struct ieee80211com *ic;
5677 struct ieee80211vap *vap;
5678 struct ieee80211_node *ni;
5679 int chan, group;
5680 int8_t rssi, old, new;
5681
5682 /* RT2860C does not support BBP tuning */
5683
5684 if (sc->mac_rev == 0x28600100)
5685 return;
5686
5687 ifp = sc->ifp;
5688 ic = ifp->if_l2com;
5689 vap = TAILQ_FIRST(&ic->ic_vaps);
5690
5691 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5692 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5693 return;
5694
5695 ni = vap->iv_bss;
5696
5697 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5698
5699 if (chan <= 14)
5700 group = 0;
5701 else if (chan <= 64)
5702 group = 1;
5703 else if (chan <= 128)
5704 group = 2;
5705 else
5706 group = 3;
5707
5708 rssi = ieee80211_getrssi(vap);
5709
5710 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5711 {
5712 new = 0x2e + sc->lna_gain[group];
5713 }
5714 else
5715 {
5716 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5717 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5718 else
5719 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5720 }
5721
5722 /* Tune if absolute average RSSI is greater than -80 */
5723
5724 if (rssi > 30)
5725 new += 0x10;
5726
5727 old = rt2860_io_bbp_read(sc, 66);
5728
5729 if (old != new)
5730 rt2860_io_bbp_write(sc, 66, new);
5731 }
5732
5733 /*
5734 * rt2860_watchdog
5735 */
5736 static void rt2860_watchdog(struct rt2860_softc *sc)
5737 {
5738 uint32_t tmp;
5739 int ntries;
5740
5741 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5742
5743 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5744 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5745 device_get_nameunit(sc->dev), tmp);
5746
5747 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5748 {
5749 sc->tx_queue_not_empty[0]++;
5750
5751 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5752
5753 for (ntries = 0; ntries < 10; ntries++)
5754 {
5755 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5756 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5757 break;
5758
5759 DELAY(1);
5760 }
5761
5762 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5763 }
5764
5765 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5766 {
5767 sc->tx_queue_not_empty[1]++;
5768
5769 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5770
5771 for (ntries = 0; ntries < 10; ntries++)
5772 {
5773 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5774 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5775 break;
5776
5777 DELAY(1);
5778 }
5779
5780 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5781 }
5782 }
5783
5784 /*
5785 * rt2860_drain_fifo_stats
5786 */
5787 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5788 {
5789 struct ifnet *ifp;
5790 uint32_t stats;
5791 uint8_t wcid, mcs, pid;
5792 int ok, agg, retrycnt;
5793
5794 ifp = sc->ifp;
5795
5796 /* drain Tx status FIFO (maxsize = 16) */
5797
5798 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5799 RT2860_REG_TX_STA_FIFO_VALID)
5800 {
5801 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5802 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5803
5804 /* if no ACK was requested, no feedback is available */
5805
5806 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5807 continue;
5808
5809 /* update AMRR statistic */
5810
5811 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5812 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5813 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5814 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5815 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5816 RT2860_REG_TX_STA_FIFO_PID_MASK;
5817 retrycnt = pid - mcs;
5818
5819 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5820 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5821 device_get_nameunit(sc->dev),
5822 wcid, ok, agg, mcs, pid, retrycnt);
5823
5824 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5825
5826 if (!ok)
5827 ifp->if_oerrors++;
5828 }
5829 }
5830
5831 /*
5832 * rt2860_update_raw_counters
5833 */
5834 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5835 {
5836 uint32_t tmp;
5837
5838 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5839
5840 sc->tx_nonagg += tmp & 0xffff;
5841 sc->tx_agg += tmp >> 16;
5842
5843 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5844
5845 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5846
5847 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5848
5849 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5850
5851 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5852
5853 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5854
5855 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5856
5857 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5858
5859 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5860
5861 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5862
5863 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5864
5865 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5866
5867 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5868
5869 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5870
5871 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5872
5873 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5874
5875 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5876
5877 sc->rx_crc_errors += tmp & 0xffff;
5878 sc->rx_phy_errors += tmp >> 16;
5879
5880 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5881
5882 sc->rx_false_ccas += tmp & 0xffff;
5883 sc->rx_plcp_errors += tmp >> 16;
5884
5885 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5886
5887 sc->rx_dup_packets += tmp & 0xffff;
5888 sc->rx_fifo_overflows += tmp >> 16;
5889
5890 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5891
5892 sc->tx_mpdu_zero_density += tmp & 0xffff;
5893 sc->rx_mpdu_zero_density += tmp >> 16;
5894 }
5895
5896 /*
5897 * rt2860_intr_enable
5898 */
5899 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5900 {
5901 uint32_t tmp;
5902
5903 sc->intr_disable_mask &= ~intr_mask;
5904
5905 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5906
5907 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5908 }
5909
5910 /*
5911 * rt2860_intr_disable
5912 */
5913 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5914 {
5915 uint32_t tmp;
5916
5917 sc->intr_disable_mask |= intr_mask;
5918
5919 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5920
5921 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5922 }
5923
5924 /*
5925 * rt2860_txrx_enable
5926 */
5927 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5928 {
5929 struct ieee80211com *ic;
5930 struct ifnet *ifp;
5931 uint32_t tmp;
5932 int ntries;
5933
5934 ifp = sc->ifp;
5935 ic = ifp->if_l2com;
5936
5937 /* enable Tx/Rx DMA engine */
5938
5939 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5940
5941 for (ntries = 0; ntries < 200; ntries++)
5942 {
5943 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5944 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5945 break;
5946
5947 DELAY(1000);
5948 }
5949
5950 if (ntries == 200)
5951 {
5952 printf("%s: timeout waiting for DMA engine\n",
5953 device_get_nameunit(sc->dev));
5954 return -1;
5955 }
5956
5957 DELAY(50);
5958
5959 tmp |= RT2860_REG_TX_WB_DDONE |
5960 RT2860_REG_RX_DMA_ENABLE |
5961 RT2860_REG_TX_DMA_ENABLE |
5962 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5963
5964 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5965
5966 /* set Rx filter */
5967
5968 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5969 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5970
5971 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5972 {
5973 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5974 RT2860_REG_RX_FILTER_DROP_CTS |
5975 RT2860_REG_RX_FILTER_DROP_BA |
5976 RT2860_REG_RX_FILTER_DROP_ACK |
5977 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5978 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5979 RT2860_REG_RX_FILTER_DROP_CFACK |
5980 RT2860_REG_RX_FILTER_DROP_CFEND;
5981
5982 if (ic->ic_opmode == IEEE80211_M_STA)
5983 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5984 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5985
5986 if (!(ifp->if_flags & IFF_PROMISC))
5987 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5988 }
5989
5990 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5991
5992 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5993 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5994
5995 return 0;
5996 }
5997
5998 /*
5999 * rt2860_alloc_rx_ring
6000 */
6001 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
6002 struct rt2860_softc_rx_ring *ring)
6003 {
6004 struct rt2860_rxdesc *desc;
6005 struct rt2860_softc_rx_data *data;
6006 bus_dma_segment_t segs[1];
6007 int i, nsegs, error;
6008
6009 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6010 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6011 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
6012 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6013 0, NULL, NULL, &ring->desc_dma_tag);
6014 if (error != 0)
6015 {
6016 printf("%s: could not create Rx desc DMA tag\n",
6017 device_get_nameunit(sc->dev));
6018 goto fail;
6019 }
6020
6021 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6022 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6023 if (error != 0)
6024 {
6025 printf("%s: could not allocate Rx desc DMA memory\n",
6026 device_get_nameunit(sc->dev));
6027 goto fail;
6028 }
6029
6030 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6031 ring->desc,
6032 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6033 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6034 if (error != 0)
6035 {
6036 printf("%s: could not load Rx desc DMA map\n",
6037 device_get_nameunit(sc->dev));
6038 goto fail;
6039 }
6040
6041 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6042 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6043 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
6044 &ring->data_dma_tag);
6045 if (error != 0)
6046 {
6047 printf("%s: could not create Rx data DMA tag\n",
6048 device_get_nameunit(sc->dev));
6049 goto fail;
6050 }
6051
6052 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6053 {
6054 desc = &ring->desc[i];
6055 data = &ring->data[i];
6056
6057 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6058 if (error != 0)
6059 {
6060 printf("%s: could not create Rx data DMA map\n",
6061 device_get_nameunit(sc->dev));
6062 goto fail;
6063 }
6064
6065 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
6066 if (data->m == NULL)
6067 {
6068 printf("%s: could not allocate Rx mbuf\n",
6069 device_get_nameunit(sc->dev));
6070 error = ENOMEM;
6071 goto fail;
6072 }
6073
6074 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
6075
6076 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
6077 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
6078 if (error != 0)
6079 {
6080 printf("%s: could not load Rx mbuf DMA map\n",
6081 device_get_nameunit(sc->dev));
6082 goto fail;
6083 }
6084
6085 KASSERT(nsegs == 1, ("%s: too many DMA segments",
6086 device_get_nameunit(sc->dev)));
6087
6088 desc->sdp0 = htole32(segs[0].ds_addr);
6089 desc->sdl0 = htole16(MJUMPAGESIZE);
6090 }
6091
6092 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
6093 if (error != 0)
6094 {
6095 printf("%s: could not create Rx spare DMA map\n",
6096 device_get_nameunit(sc->dev));
6097 goto fail;
6098 }
6099
6100 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6101 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6102
6103 return 0;
6104
6105 fail:
6106
6107 rt2860_free_rx_ring(sc, ring);
6108
6109 return error;
6110 }
6111
6112 /*
6113 * rt2860_reset_rx_ring
6114 */
6115 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
6116 struct rt2860_softc_rx_ring *ring)
6117 {
6118 struct rt2860_rxdesc *desc;
6119 int i;
6120
6121 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6122 {
6123 desc = &ring->desc[i];
6124
6125 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
6126 }
6127
6128 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6129 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6130
6131 ring->cur = 0;
6132 }
6133
6134 /*
6135 * rt2860_free_rx_ring
6136 */
6137 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
6138 struct rt2860_softc_rx_ring *ring)
6139 {
6140 struct rt2860_softc_rx_data *data;
6141 int i;
6142
6143 if (ring->desc != NULL)
6144 {
6145 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6146 BUS_DMASYNC_POSTWRITE);
6147 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6148 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6149 ring->desc_dma_map);
6150 }
6151
6152 if (ring->desc_dma_tag != NULL)
6153 bus_dma_tag_destroy(ring->desc_dma_tag);
6154
6155 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6156 {
6157 data = &ring->data[i];
6158
6159 if (data->m != NULL)
6160 {
6161 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6162 BUS_DMASYNC_POSTREAD);
6163 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6164 m_freem(data->m);
6165 }
6166
6167 if (data->dma_map != NULL)
6168 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6169 }
6170
6171 if (ring->spare_dma_map != NULL)
6172 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6173
6174 if (ring->data_dma_tag != NULL)
6175 bus_dma_tag_destroy(ring->data_dma_tag);
6176 }
6177
6178 /*
6179 * rt2860_alloc_tx_ring
6180 */
6181 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6182 struct rt2860_softc_tx_ring *ring, int qid)
6183 {
6184 struct rt2860_softc_tx_data *data;
6185 int error, i;
6186
6187 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6188 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6189 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6190 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6191 0, NULL, NULL, &ring->desc_dma_tag);
6192 if (error != 0)
6193 {
6194 printf("%s: could not create Tx desc DMA tag\n",
6195 device_get_nameunit(sc->dev));
6196 goto fail;
6197 }
6198
6199 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6200 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6201 if (error != 0)
6202 {
6203 printf("%s: could not allocate Tx desc DMA memory\n",
6204 device_get_nameunit(sc->dev));
6205 goto fail;
6206 }
6207
6208 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6209 ring->desc,
6210 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6211 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6212 if (error != 0)
6213 {
6214 printf("%s: could not load Tx desc DMA map\n",
6215 device_get_nameunit(sc->dev));
6216 goto fail;
6217 }
6218
6219 ring->desc_queued = 0;
6220 ring->desc_cur = 0;
6221 ring->desc_next = 0;
6222
6223 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6224 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6225 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6226 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6227 0, NULL, NULL, &ring->seg0_dma_tag);
6228 if (error != 0)
6229 {
6230 printf("%s: could not create Tx seg0 DMA tag\n",
6231 device_get_nameunit(sc->dev));
6232 goto fail;
6233 }
6234
6235 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6236 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6237 if (error != 0)
6238 {
6239 printf("%s: could not allocate Tx seg0 DMA memory\n",
6240 device_get_nameunit(sc->dev));
6241 goto fail;
6242 }
6243
6244 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6245 ring->seg0,
6246 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6247 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6248 if (error != 0)
6249 {
6250 printf("%s: could not load Tx seg0 DMA map\n",
6251 device_get_nameunit(sc->dev));
6252 goto fail;
6253 }
6254
6255 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6256 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6257 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6258 &ring->data_dma_tag);
6259 if (error != 0)
6260 {
6261 printf("%s: could not create Tx data DMA tag\n",
6262 device_get_nameunit(sc->dev));
6263 goto fail;
6264 }
6265
6266 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6267 {
6268 data = &ring->data[i];
6269
6270 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6271 if (error != 0)
6272 {
6273 printf("%s: could not create Tx data DMA map\n",
6274 device_get_nameunit(sc->dev));
6275 goto fail;
6276 }
6277 }
6278
6279 ring->data_queued = 0;
6280 ring->data_cur = 0;
6281 ring->data_next = 0;
6282
6283 ring->qid = qid;
6284
6285 return 0;
6286
6287 fail:
6288
6289 rt2860_free_tx_ring(sc, ring);
6290
6291 return error;
6292 }
6293
6294 /*
6295 * rt2860_reset_tx_ring
6296 */
6297 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6298 struct rt2860_softc_tx_ring *ring)
6299 {
6300 struct rt2860_softc_tx_data *data;
6301 struct rt2860_txdesc *desc;
6302 int i;
6303
6304 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6305 {
6306 desc = &ring->desc[i];
6307
6308 desc->sdl0 = 0;
6309 desc->sdl1 = 0;
6310 }
6311
6312 ring->desc_queued = 0;
6313 ring->desc_cur = 0;
6314 ring->desc_next = 0;
6315
6316 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6317 BUS_DMASYNC_PREWRITE);
6318
6319 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6320 BUS_DMASYNC_PREWRITE);
6321
6322 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6323 {
6324 data = &ring->data[i];
6325
6326 if (data->m != NULL)
6327 {
6328 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6329 BUS_DMASYNC_POSTWRITE);
6330 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6331 m_freem(data->m);
6332 data->m = NULL;
6333 }
6334
6335 if (data->ni != NULL)
6336 {
6337 ieee80211_free_node(data->ni);
6338 data->ni = NULL;
6339 }
6340 }
6341
6342 ring->data_queued = 0;
6343 ring->data_cur = 0;
6344 ring->data_next = 0;
6345 }
6346
6347 /*
6348 * rt2860_free_tx_ring
6349 */
6350 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6351 struct rt2860_softc_tx_ring *ring)
6352 {
6353 struct rt2860_softc_tx_data *data;
6354 int i;
6355
6356 if (ring->desc != NULL)
6357 {
6358 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6359 BUS_DMASYNC_POSTWRITE);
6360 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6361 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6362 ring->desc_dma_map);
6363 }
6364
6365 if (ring->desc_dma_tag != NULL)
6366 bus_dma_tag_destroy(ring->desc_dma_tag);
6367
6368 if (ring->seg0 != NULL)
6369 {
6370 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6371 BUS_DMASYNC_POSTWRITE);
6372 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6373 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6374 ring->seg0_dma_map);
6375 }
6376
6377 if (ring->seg0_dma_tag != NULL)
6378 bus_dma_tag_destroy(ring->seg0_dma_tag);
6379
6380 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6381 {
6382 data = &ring->data[i];
6383
6384 if (data->m != NULL)
6385 {
6386 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6387 BUS_DMASYNC_POSTWRITE);
6388 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6389 m_freem(data->m);
6390 }
6391
6392 if (data->ni != NULL)
6393 ieee80211_free_node(data->ni);
6394
6395 if (data->dma_map != NULL)
6396 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6397 }
6398
6399 if (ring->data_dma_tag != NULL)
6400 bus_dma_tag_destroy(ring->data_dma_tag);
6401 }
6402
6403 /*
6404 * rt2860_dma_map_addr
6405 */
6406 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6407 int nseg, int error)
6408 {
6409 if (error != 0)
6410 return;
6411
6412 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6413
6414 *(bus_addr_t *) arg = segs[0].ds_addr;
6415 }
6416
6417 /*
6418 * rt2860_sysctl_attach
6419 */
6420 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6421 {
6422 struct sysctl_ctx_list *ctx;
6423 struct sysctl_oid *tree;
6424 struct sysctl_oid *stats;
6425
6426 ctx = device_get_sysctl_ctx(sc->dev);
6427 tree = device_get_sysctl_tree(sc->dev);
6428
6429 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6430 "stats", CTLFLAG_RD, 0, "statistic");
6431
6432 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6433 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6434 "all interrupts");
6435
6436 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6437 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6438 "Tx coherent interrupts");
6439
6440 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6441 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6442 "Rx coherent interrupts");
6443
6444 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6445 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6446 "Tx/Rx coherent interrupts");
6447
6448 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6449 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6450 "FIFO statistic full interrupts");
6451
6452 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6453 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6454 "Rx interrupts");
6455
6456 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6457 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6458 "Rx delay interrupts");
6459
6460 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6461 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6462 "Tx MGMT interrupts");
6463
6464 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6465 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6466 "Tx HCCA interrupts");
6467
6468 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6469 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6470 "Tx AC3 interrupts");
6471
6472 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6473 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6474 "Tx AC2 interrupts");
6475
6476 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6477 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6478 "Tx AC1 interrupts");
6479
6480 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6481 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6482 "Tx AC0 interrupts");
6483
6484 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6485 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6486 "Tx delay interrupts");
6487
6488 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6489 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6490 "Pre-TBTT interrupts");
6491
6492 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6493 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6494 "TBTT interrupts");
6495
6496 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6497 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6498 "MCU command interrupts");
6499
6500 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6501 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6502 "auto wakeup interrupts");
6503
6504 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6505 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6506 "GP timer interrupts");
6507
6508 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6509 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6510 "Tx MGMT descriptors queued");
6511
6512 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6513 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6514 "Tx MGMT data queued");
6515
6516 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6517 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6518 "Tx HCCA descriptors queued");
6519
6520 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6521 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6522 "Tx HCCA data queued");
6523
6524 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6525 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6526 "Tx AC3 descriptors queued");
6527
6528 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6529 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6530 "Tx AC3 data queued");
6531
6532 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6533 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6534 "Tx AC2 descriptors queued");
6535
6536 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6537 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6538 "Tx AC2 data queued");
6539
6540 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6541 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6542 "Tx AC1 descriptors queued");
6543
6544 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6545 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6546 "Tx AC1 data queued");
6547
6548 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6549 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6550 "Tx AC0 descriptors queued");
6551
6552 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6553 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6554 "Tx AC0 data queued");
6555
6556 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6557 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6558 "Tx MGMT data queue full");
6559
6560 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6561 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6562 "Tx HCCA data queue full");
6563
6564 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6565 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6566 "Tx AC3 data queue full");
6567
6568 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6569 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6570 "Tx AC2 data queue full");
6571
6572 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6573 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6574 "Tx AC1 data queue full");
6575
6576 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6577 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6578 "Tx AC0 data queue full");
6579
6580 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6581 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6582 "Tx watchdog timeouts");
6583
6584 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6585 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6586 "Tx defragmented packets");
6587
6588 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6589 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6590 "no Tx descriptors available");
6591
6592 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6593 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6594 "Rx mbuf allocation errors");
6595
6596 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6597 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6598 "Rx mbuf DMA mapping errors");
6599
6600 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6601 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6602 "Tx queue 0 not empty");
6603
6604 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6605 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6606 "Tx queue 1 not empty");
6607
6608 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6609 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6610 "Tx beacons");
6611
6612 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6613 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6614 "Tx successfull without retries");
6615
6616 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6617 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6618 "Tx successfull with retries");
6619
6620 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6621 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6622 "Tx failed");
6623
6624 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6625 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6626 "Tx underflows");
6627
6628 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6629 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6630 "Tx zero length");
6631
6632 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6633 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6634 "Tx non-aggregated");
6635
6636 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6637 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6638 "Tx aggregated");
6639
6640 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6641 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6642 "Tx A-MPDU");
6643
6644 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6645 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6646 "Tx MPDU with zero density");
6647
6648 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6649 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6650 "Rx packets");
6651
6652 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6653 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6654 "Rx A-MPDU");
6655
6656 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6657 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6658 "Rx MPDU with zero density");
6659
6660 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6661 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6662 "Rx A-MSDU");
6663
6664 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6665 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6666 "Rx CRC errors");
6667
6668 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6669 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6670 "Rx PHY errors");
6671
6672 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6673 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6674 "Rx false CCAs");
6675
6676 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6677 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6678 "Rx PLCP errors");
6679
6680 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6681 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6682 "Rx duplicate packets");
6683
6684 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6685 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6686 "Rx FIFO overflows");
6687
6688 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6689 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6690 "Rx cipher no errors");
6691
6692 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6693 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6694 "Rx cipher ICV errors");
6695
6696 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6697 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6698 "Rx cipher MIC errors");
6699
6700 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6701 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6702 "Rx cipher invalid key errors");
6703 }
6704
6705 static device_method_t rt2860_dev_methods[] =
6706 {
6707 DEVMETHOD(device_probe, rt2860_probe),
6708 DEVMETHOD(device_attach, rt2860_attach),
6709 DEVMETHOD(device_detach, rt2860_detach),
6710 DEVMETHOD(device_shutdown, rt2860_shutdown),
6711 DEVMETHOD(device_suspend, rt2860_suspend),
6712 DEVMETHOD(device_resume, rt2860_resume),
6713 { 0, 0 }
6714 };
6715
6716 static driver_t rt2860_driver =
6717 {
6718 "rt2860",
6719 rt2860_dev_methods,
6720 sizeof(struct rt2860_softc)
6721 };
6722
6723 static devclass_t rt2860_dev_class;
6724
6725 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6726
6727 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6728 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860