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Added support for HT MIMO power save
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blob18cc80b9ce7888bd323f8f5ed5ae57691c867956
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2860_softc.h"
20 #include "rt2860_reg.h"
21 #include "rt2860_eeprom.h"
22 #include "rt2860_ucode.h"
23 #include "rt2860_txwi.h"
24 #include "rt2860_rxwi.h"
25 #include "rt2860_io.h"
26 #include "rt2860_read_eeprom.h"
27 #include "rt2860_led.h"
28 #include "rt2860_rf.h"
29 #include "rt2860_debug.h"
30
31 /*
32 * Defines and macros
33 */
34
35 #define PCI_VENDOR_RALINK 0x1814
36 #define PCI_PRODUCT_RALINK_RT2860_PCI 0x0601
37 #define PCI_PRODUCT_RALINK_RT2860_PCIe 0x0681
38 #define PCI_PRODUCT_RALINK_RT2760_PCI 0x0701
39 #define PCI_PRODUCT_RALINK_RT2790_PCIe 0x0781
40
41 #define RT2860_MAX_AGG_SIZE 3840
42
43 #define RT2860_TX_DATA_SEG0_SIZE \
44 (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4))
45
46 #define RT2860_NOISE_FLOOR -95
47
48 #define RT2860_AID2WCID(aid) ((aid) & 0xff)
49
50 #define RT2860_ACK_SIZE 14
51
52 #define IEEE80211_HAS_ADDR4(wh) \
53 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
54
55 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
56 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
57
58 #define RT2860_TX_WATCHDOG_TIMEOUT 5
59
60 /*
61 * Data structures and types
62 */
63
64 struct rt2860_pci_ident
65 {
66 uint16_t vendor;
67 uint16_t device;
68 const char *name;
69 };
70
71 /*
72 * Static function prototypes
73 */
74
75 static int rt2860_probe(device_t dev);
76
77 static int rt2860_attach(device_t dev);
78
79 static int rt2860_detach(device_t dev);
80
81 static int rt2860_shutdown(device_t dev);
82
83 static int rt2860_suspend(device_t dev);
84
85 static int rt2860_resume(device_t dev);
86
87 static void rt2860_init_channels(struct rt2860_softc *sc);
88
89 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
90
91 static void rt2860_init_locked(void *priv);
92
93 static void rt2860_init(void *priv);
94
95 static int rt2860_init_bbp(struct rt2860_softc *sc);
96
97 static void rt2860_stop_locked(void *priv);
98
99 static void rt2860_stop(void *priv);
100
101 static void rt2860_start(struct ifnet *ifp);
102
103 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
104
105 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
106 const char name[IFNAMSIZ], int unit, int opmode, int flags,
107 const uint8_t bssid[IEEE80211_ADDR_LEN],
108 const uint8_t mac[IEEE80211_ADDR_LEN]);
109
110 static void rt2860_vap_delete(struct ieee80211vap *vap);
111
112 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
113
114 static int rt2860_vap_newstate(struct ieee80211vap *vap,
115 enum ieee80211_state nstate, int arg);
116
117 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
118
119 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
120
121 static int rt2860_vap_key_set(struct ieee80211vap *vap,
122 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
123
124 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
125 const struct ieee80211_key *k);
126
127 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
128
129 static int rt2860_media_change(struct ifnet *ifp);
130
131 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
132 const uint8_t mac[IEEE80211_ADDR_LEN]);
133
134 static int rt2860_setregdomain(struct ieee80211com *ic,
135 struct ieee80211_regdomain *reg,
136 int nchans, struct ieee80211_channel chans[]);
137
138 static void rt2860_getradiocaps(struct ieee80211com *ic,
139 int maxchans, int *nchans, struct ieee80211_channel chans[]);
140
141 static void rt2860_scan_start(struct ieee80211com *ic);
142
143 static void rt2860_scan_end(struct ieee80211com *ic);
144
145 static void rt2860_set_channel(struct ieee80211com *ic);
146
147 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
148
149 static void rt2860_updateslot(struct ifnet *ifp);
150
151 static void rt2860_update_promisc(struct ifnet *ifp);
152
153 static void rt2860_update_mcast(struct ifnet *ifp);
154
155 static int rt2860_wme_update(struct ieee80211com *ic);
156
157 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
158 const struct ieee80211_bpf_params *params);
159
160 static int rt2860_recv_action(struct ieee80211_node *ni,
161 const struct ieee80211_frame *wh,
162 const uint8_t *frm, const uint8_t *efrm);
163
164 static int rt2860_send_action(struct ieee80211_node *ni,
165 int cat, int act, void *sa);
166
167 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
168
169 static void rt2860_periodic(void *arg);
170
171 static void rt2860_tx_watchdog(void *arg);
172
173 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
174 const uint8_t *bssid);
175
176 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
177 const uint8_t *addr);
178
179 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
180
181 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
182
183 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
184
185 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
186
187 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
188
189 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
190
191 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
192
193 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
194
195 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
196
197 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
198
199 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
200
201 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
202 struct ieee80211vap *vap);
203
204 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
205
206 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
207
208 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
209 const struct rt2860_rxwi *rxwi);
210
211 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
212 uint8_t rssi, uint8_t rxpath);
213
214 static uint8_t rt2860_rate2mcs(uint8_t rate);
215
216 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
217 struct mbuf *m, struct ieee80211_node *ni, int qid);
218
219 static int rt2860_tx_data(struct rt2860_softc *sc,
220 struct mbuf *m, struct ieee80211_node *ni, int qid);
221
222 static int rt2860_tx_raw(struct rt2860_softc *sc,
223 struct mbuf *m, struct ieee80211_node *ni,
224 const struct ieee80211_bpf_params *params);
225
226 static void rt2860_intr(void *arg);
227
228 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
229
230 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
231
232 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
233
234 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
235
236 static void rt2860_rx_intr(struct rt2860_softc *sc);
237
238 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
239
240 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
241
242 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
243
244 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
245
246 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
247
248 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
249
250 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
251
252 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
253
254 static void rt2860_rx_done_task(void *context, int pending);
255
256 static void rt2860_tx_done_task(void *context, int pending);
257
258 static void rt2860_fifo_sta_full_task(void *context, int pending);
259
260 static void rt2860_periodic_task(void *context, int pending);
261
262 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
263
264 static void rt2860_tx_eof(struct rt2860_softc *sc,
265 struct rt2860_softc_tx_ring *ring);
266
267 static void rt2860_update_stats(struct rt2860_softc *sc);
268
269 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
270
271 static void rt2860_watchdog(struct rt2860_softc *sc);
272
273 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
274
275 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
276
277 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
278
279 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
280
281 static int rt2860_txrx_enable(struct rt2860_softc *sc);
282
283 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
284 struct rt2860_softc_rx_ring *ring);
285
286 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
287 struct rt2860_softc_rx_ring *ring);
288
289 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
290 struct rt2860_softc_rx_ring *ring);
291
292 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
293 struct rt2860_softc_tx_ring *ring, int qid);
294
295 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
296 struct rt2860_softc_tx_ring *ring);
297
298 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
299 struct rt2860_softc_tx_ring *ring);
300
301 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
302 int nseg, int error);
303
304 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
305
306 /*
307 * Static variables
308 */
309
310 static const struct rt2860_pci_ident rt2860_pci_ids[] =
311 {
312 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
313 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
314 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
315 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
316 { 0, 0, NULL }
317 };
318
319 static const struct
320 {
321 uint32_t reg;
322 uint32_t val;
323 } rt2860_def_mac[] =
324 {
325 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
326 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
327 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
328 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
329 { RT2860_REG_SYS_CTRL, 0x00000000 },
330 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
331 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
332 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
333 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
334 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
335 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
336 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
337 { RT2860_REG_LED_CFG, 0x7f031e46 },
338 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
339 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
340 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
341 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
342 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
343 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
344 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
345 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
346 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
347 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
348 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
349 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
350 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
351 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
352 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
353 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
354 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
355 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
356 };
357
358 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
359
360 static const struct
361 {
362 uint8_t reg;
363 uint8_t val;
364 } rt2860_def_bbp[] =
365 {
366 { 65, 0x2c },
367 { 66, 0x38 },
368 { 69, 0x12 },
369 { 70, 0x0a },
370 { 73, 0x10 },
371 { 81, 0x37 },
372 { 82, 0x62 },
373 { 83, 0x6a },
374 { 84, 0x99 },
375 { 86, 0x00 },
376 { 91, 0x04 },
377 { 92, 0x00 },
378 { 103, 0x00 },
379 { 105, 0x05 },
380 { 106, 0x35 },
381 };
382
383 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
384
385 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
386
387 #ifdef RT2860_DEBUG
388 static int rt2860_debug = 0;
389 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
390 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
391 #endif
392
393 /*
394 * rt2860_probe
395 */
396 static int rt2860_probe(device_t dev)
397 {
398 const struct rt2860_pci_ident *ident;
399
400 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
401 {
402 if (pci_get_vendor(dev) == ident->vendor &&
403 pci_get_device(dev) == ident->device)
404 {
405 device_set_desc(dev, ident->name);
406 return 0;
407 }
408 }
409
410 return ENXIO;
411 }
412
413 /*
414 * rt2860_attach
415 */
416 static int rt2860_attach(device_t dev)
417 {
418 struct rt2860_softc *sc;
419 struct ifnet *ifp;
420 struct ieee80211com *ic;
421 int error, ntries, i;
422
423 sc = device_get_softc(dev);
424
425 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
426 {
427 printf("%s: chip is in D%d power mode, setting to D0\n",
428 device_get_nameunit(dev), pci_get_powerstate(dev));
429 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
430 }
431
432 /* enable bus-mastering */
433
434 pci_enable_busmaster(dev);
435
436 sc->dev = dev;
437
438 mtx_init(&sc->lock, device_get_nameunit(dev),
439 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
440
441 sc->mem_rid = PCIR_BAR(0);
442 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
443 &sc->mem_rid, RF_ACTIVE);
444 if (sc->mem == NULL)
445 {
446 printf("%s: could not allocate memory resource\n",
447 device_get_nameunit(dev));
448 error = ENXIO;
449 goto fail;
450 }
451
452 sc->bst = rman_get_bustag(sc->mem);
453 sc->bsh = rman_get_bushandle(sc->mem);
454
455 sc->irq_rid = 0;
456 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
457 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
458 if (sc->irq == NULL)
459 {
460 printf("%s: could not allocate interrupt resource\n",
461 device_get_nameunit(dev));
462 error = ENXIO;
463 goto fail;
464 }
465
466 #ifdef RT2860_DEBUG
467 sc->debug = rt2860_debug;
468
469 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
470 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
471 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
472 #endif
473
474 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
475 "%s: attaching\n",
476 device_get_nameunit(sc->dev));
477
478 /* wait for NIC to initialize */
479
480 for (ntries = 0; ntries < 100; ntries++)
481 {
482 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
483 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
484 break;
485
486 DELAY(10);
487 }
488
489 if (ntries == 100)
490 {
491 printf("%s: timeout waiting for NIC to initialize\n",
492 device_get_nameunit(dev));
493 error = EIO;
494 goto fail;
495 }
496
497 rt2860_read_eeprom(sc);
498
499 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
500 device_get_nameunit(sc->dev), sc->mac_rev,
501 rt2860_rf_name(sc->rf_rev));
502
503 /* allocate Tx and Rx rings */
504
505 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
506 {
507 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
508 if (error != 0)
509 {
510 printf("%s: could not allocate Tx ring #%d\n",
511 device_get_nameunit(sc->dev), i);
512 goto fail;
513 }
514 }
515
516 sc->tx_ring_mgtqid = 5;
517
518 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
519 if (error != 0)
520 {
521 printf("%s: could not allocate Rx ring\n",
522 device_get_nameunit(sc->dev));
523 goto fail;
524 }
525
526 callout_init(&sc->periodic_ch, 0);
527 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
528
529 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
530 if (ifp == NULL)
531 {
532 printf("%s: could not if_alloc()\n",
533 device_get_nameunit(sc->dev));
534 error = ENOMEM;
535 goto fail;
536 }
537
538 ifp->if_softc = sc;
539
540 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
541
542 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
543
544 ifp->if_init = rt2860_init;
545 ifp->if_ioctl = rt2860_ioctl;
546 ifp->if_start = rt2860_start;
547
548 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
549 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
550 IFQ_SET_READY(&ifp->if_snd);
551
552 ic = ifp->if_l2com;
553
554 ic->ic_ifp = ifp;
555
556 ic->ic_phytype = IEEE80211_T_HT;
557 ic->ic_opmode = IEEE80211_M_STA;
558
559 ic->ic_caps = IEEE80211_C_MONITOR |
560 IEEE80211_C_IBSS |
561 IEEE80211_C_STA |
562 IEEE80211_C_AHDEMO |
563 IEEE80211_C_HOSTAP |
564 IEEE80211_C_WDS |
565 IEEE80211_C_MBSS |
566 IEEE80211_C_BGSCAN |
567 IEEE80211_C_TXPMGT |
568 IEEE80211_C_SHPREAMBLE |
569 IEEE80211_C_SHSLOT |
570 IEEE80211_C_TXFRAG |
571 IEEE80211_C_BURST |
572 IEEE80211_C_WME |
573 IEEE80211_C_WPA;
574
575 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
576 IEEE80211_CRYPTO_TKIP |
577 IEEE80211_CRYPTO_TKIPMIC |
578 IEEE80211_CRYPTO_AES_CCM;
579
580 ic->ic_htcaps = IEEE80211_HTC_HT |
581 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
582 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
583 IEEE80211_HTC_SMPS | /* MIMO power save */
584 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
585 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
586 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
587 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
588 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
589 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
590
591 /* spatial streams */
592
593 if (sc->nrxpath == 2)
594 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
595 else if (sc->nrxpath == 3)
596 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
597 else
598 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
599
600 if (sc->ntxpath > 1)
601 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
602
603 /* delayed BA */
604
605 if (sc->mac_rev != 0x28600100)
606 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
607
608 /* init channels */
609
610 ic->ic_nchans = 0;
611
612 rt2860_init_channels(sc);
613
614 rt2860_init_channels_ht40(sc);
615
616 ieee80211_ifattach(ic, sc->mac_addr);
617
618 ic->ic_vap_create = rt2860_vap_create;
619 ic->ic_vap_delete = rt2860_vap_delete;
620
621 ic->ic_node_alloc = rt2860_node_alloc;
622 ic->ic_setregdomain = rt2860_setregdomain;
623 ic->ic_getradiocaps = rt2860_getradiocaps;
624 ic->ic_scan_start = rt2860_scan_start;
625 ic->ic_scan_end = rt2860_scan_end;
626 ic->ic_set_channel = rt2860_set_channel;
627 ic->ic_newassoc = rt2860_newassoc;
628 ic->ic_updateslot = rt2860_updateslot;
629 ic->ic_update_promisc = rt2860_update_promisc;
630 ic->ic_update_mcast = rt2860_update_mcast;
631 ic->ic_wme.wme_update = rt2860_wme_update;
632 ic->ic_raw_xmit = rt2860_raw_xmit;
633
634 sc->recv_action = ic->ic_recv_action;
635 ic->ic_recv_action = rt2860_recv_action;
636
637 sc->send_action = ic->ic_send_action;
638 ic->ic_send_action = rt2860_send_action;
639
640 /* hardware requires padding between 802.11 frame header and body */
641
642 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
643
644 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
645
646 ieee80211_radiotap_attach(ic,
647 &sc->txtap.ihdr, sizeof(sc->txtap),
648 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
649 &sc->rxtap.ihdr, sizeof(sc->rxtap),
650 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
651
652 /* init task queue */
653
654 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
655 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
656 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
657 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
658
659 sc->rx_process_limit = 100;
660
661 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
662 taskqueue_thread_enqueue, &sc->taskqueue);
663
664 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
665 device_get_nameunit(sc->dev));
666
667 rt2860_sysctl_attach(sc);
668
669 if (bootverbose)
670 ieee80211_announce(ic);
671
672 /* set up interrupt */
673
674 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
675 NULL, rt2860_intr, sc, &sc->irqh);
676 if (error != 0)
677 {
678 printf("%s: could not set up interrupt\n",
679 device_get_nameunit(dev));
680 goto fail;
681 }
682
683 return 0;
684
685 fail:
686
687 /* free Tx and Rx rings */
688
689 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
690 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
691
692 rt2860_free_rx_ring(sc, &sc->rx_ring);
693
694 mtx_destroy(&sc->lock);
695
696 if (sc->mem != NULL)
697 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
698
699 if (sc->irq != NULL)
700 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
701
702 return error;
703 }
704
705 /*
706 * rt2860_detach
707 */
708 static int rt2860_detach(device_t dev)
709 {
710 struct rt2860_softc *sc;
711 struct ifnet *ifp;
712 struct ieee80211com *ic;
713 int i;
714
715 sc = device_get_softc(dev);
716 ifp = sc->ifp;
717 ic = ifp->if_l2com;
718
719 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
720 "%s: detaching\n",
721 device_get_nameunit(sc->dev));
722
723 RT2860_SOFTC_LOCK(sc);
724
725 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
726
727 callout_stop(&sc->periodic_ch);
728 callout_stop(&sc->tx_watchdog_ch);
729
730 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
731 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
732 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
733 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
734
735 /* free Tx and Rx rings */
736
737 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
738 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
739
740 rt2860_free_rx_ring(sc, &sc->rx_ring);
741
742 RT2860_SOFTC_UNLOCK(sc);
743
744 ieee80211_ifdetach(ic);
745
746 if_free(ifp);
747
748 taskqueue_free(sc->taskqueue);
749
750 mtx_destroy(&sc->lock);
751
752 bus_generic_detach(dev);
753
754 bus_teardown_intr(dev, sc->irq, sc->irqh);
755
756 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
757
758 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
759
760 return 0;
761 }
762
763 /*
764 * rt2860_shutdown
765 */
766 static int rt2860_shutdown(device_t dev)
767 {
768 struct rt2860_softc *sc;
769
770 sc = device_get_softc(dev);
771
772 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
773 "%s: shutting down\n",
774 device_get_nameunit(sc->dev));
775
776 rt2860_stop(sc);
777
778 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
779
780 return 0;
781 }
782
783 /*
784 * rt2860_suspend
785 */
786 static int rt2860_suspend(device_t dev)
787 {
788 struct rt2860_softc *sc;
789
790 sc = device_get_softc(dev);
791
792 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
793 "%s: suspending\n",
794 device_get_nameunit(sc->dev));
795
796 rt2860_stop(sc);
797
798 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
799
800 return 0;
801 }
802
803 /*
804 * rt2860_resume
805 */
806 static int rt2860_resume(device_t dev)
807 {
808 struct rt2860_softc *sc;
809 struct ifnet *ifp;
810
811 sc = device_get_softc(dev);
812 ifp = sc->ifp;
813
814 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
815 "%s: resuming\n",
816 device_get_nameunit(sc->dev));
817
818 if (ifp->if_flags & IFF_UP)
819 rt2860_init(sc);
820
821 return 0;
822 }
823
824 /*
825 * rt2860_init_channels
826 */
827 static void rt2860_init_channels(struct rt2860_softc *sc)
828 {
829 struct ifnet *ifp;
830 struct ieee80211com *ic;
831 struct ieee80211_channel *c;
832 int i, flags;
833
834 ifp = sc->ifp;
835 ic = ifp->if_l2com;
836
837 /* set supported channels for 2GHz band */
838
839 for (i = 1; i <= 14; i++)
840 {
841 c = &ic->ic_channels[ic->ic_nchans++];
842 flags = IEEE80211_CHAN_B;
843
844 c->ic_freq = ieee80211_ieee2mhz(i, flags);
845 c->ic_ieee = i;
846 c->ic_flags = flags;
847
848 c = &ic->ic_channels[ic->ic_nchans++];
849 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
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_G;
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 | IEEE80211_CHAN_HT20;
864
865 c->ic_freq = ieee80211_ieee2mhz(i, flags);
866 c->ic_ieee = i;
867 c->ic_flags = flags;
868 }
869
870 /* set supported channels for 5GHz band */
871
872 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
873 sc->rf_rev == RT2860_EEPROM_RF_2750)
874 {
875 for (i = 36; i <= 64; i += 4)
876 {
877 c = &ic->ic_channels[ic->ic_nchans++];
878 flags = IEEE80211_CHAN_A;
879
880 c->ic_freq = ieee80211_ieee2mhz(i, flags);
881 c->ic_ieee = i;
882 c->ic_flags = flags;
883
884 c = &ic->ic_channels[ic->ic_nchans++];
885 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
886
887 c->ic_freq = ieee80211_ieee2mhz(i, flags);
888 c->ic_ieee = i;
889 c->ic_flags = flags;
890 }
891
892 for (i = 100; i <= 140; i += 4)
893 {
894 c = &ic->ic_channels[ic->ic_nchans++];
895 flags = IEEE80211_CHAN_A;
896
897 c->ic_freq = ieee80211_ieee2mhz(i, flags);
898 c->ic_ieee = i;
899 c->ic_flags = flags;
900
901 c = &ic->ic_channels[ic->ic_nchans++];
902 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
903
904 c->ic_freq = ieee80211_ieee2mhz(i, flags);
905 c->ic_ieee = i;
906 c->ic_flags = flags;
907 }
908
909 for (i = 149; i <= 165; i += 4)
910 {
911 c = &ic->ic_channels[ic->ic_nchans++];
912 flags = IEEE80211_CHAN_A;
913
914 c->ic_freq = ieee80211_ieee2mhz(i, flags);
915 c->ic_ieee = i;
916 c->ic_flags = flags;
917
918 c = &ic->ic_channels[ic->ic_nchans++];
919 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
920
921 c->ic_freq = ieee80211_ieee2mhz(i, flags);
922 c->ic_ieee = i;
923 c->ic_flags = flags;
924 }
925 }
926 }
927
928 /*
929 * rt2860_init_channels_ht40
930 */
931 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
932 {
933 struct ifnet *ifp;
934 struct ieee80211com *ic;
935 struct ieee80211_channel *c, *cent, *ext;
936 int i, flags;
937
938 ifp = sc->ifp;
939 ic = ifp->if_l2com;
940
941 /* set supported channels for 2GHz band */
942
943 for (i = 1; i <= 14; i++)
944 {
945 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
946
947 /* find the center channel */
948
949 cent = ieee80211_find_channel_byieee(ic, i,
950 flags & ~IEEE80211_CHAN_HT);
951 if (cent == NULL)
952 {
953 printf("%s: skip channel %d, could not find center channel\n",
954 device_get_nameunit(sc->dev), i);
955 continue;
956 }
957
958 /* find the extension channel */
959
960 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
961 flags & ~IEEE80211_CHAN_HT);
962 if (ext == NULL)
963 {
964 printf("%s: skip channel %d, could not find extension channel\n",
965 device_get_nameunit(sc->dev), i);
966 continue;
967 }
968
969 c = &ic->ic_channels[ic->ic_nchans++];
970
971 *c = *cent;
972 c->ic_extieee = ext->ic_ieee;
973 c->ic_flags &= ~IEEE80211_CHAN_HT;
974 c->ic_flags |= IEEE80211_CHAN_HT40U;
975
976 c = &ic->ic_channels[ic->ic_nchans++];
977
978 *c = *ext;
979 c->ic_extieee = cent->ic_ieee;
980 c->ic_flags &= ~IEEE80211_CHAN_HT;
981 c->ic_flags |= IEEE80211_CHAN_HT40D;
982 }
983
984 /* set supported channels for 5GHz band */
985
986 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
987 sc->rf_rev == RT2860_EEPROM_RF_2750)
988 {
989 for (i = 36; i <= 64; i += 4)
990 {
991 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
992
993 /* find the center channel */
994
995 cent = ieee80211_find_channel_byieee(ic, i,
996 flags & ~IEEE80211_CHAN_HT);
997 if (cent == NULL)
998 {
999 printf("%s: skip channel %d, could not find center channel\n",
1000 device_get_nameunit(sc->dev), i);
1001 continue;
1002 }
1003
1004 /* find the extension channel */
1005
1006 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1007 flags & ~IEEE80211_CHAN_HT);
1008 if (ext == NULL)
1009 {
1010 printf("%s: skip channel %d, could not find extension channel\n",
1011 device_get_nameunit(sc->dev), i);
1012 continue;
1013 }
1014
1015 c = &ic->ic_channels[ic->ic_nchans++];
1016
1017 *c = *cent;
1018 c->ic_extieee = ext->ic_ieee;
1019 c->ic_flags &= ~IEEE80211_CHAN_HT;
1020 c->ic_flags |= IEEE80211_CHAN_HT40U;
1021
1022 c = &ic->ic_channels[ic->ic_nchans++];
1023
1024 *c = *ext;
1025 c->ic_extieee = cent->ic_ieee;
1026 c->ic_flags &= ~IEEE80211_CHAN_HT;
1027 c->ic_flags |= IEEE80211_CHAN_HT40D;
1028 }
1029
1030 for (i = 100; i <= 140; i += 4)
1031 {
1032 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1033
1034 /* find the center channel */
1035
1036 cent = ieee80211_find_channel_byieee(ic, i,
1037 flags & ~IEEE80211_CHAN_HT);
1038 if (cent == NULL)
1039 {
1040 printf("%s: skip channel %d, could not find center channel\n",
1041 device_get_nameunit(sc->dev), i);
1042 continue;
1043 }
1044
1045 /* find the extension channel */
1046
1047 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1048 flags & ~IEEE80211_CHAN_HT);
1049 if (ext == NULL)
1050 {
1051 printf("%s: skip channel %d, could not find extension channel\n",
1052 device_get_nameunit(sc->dev), i);
1053 continue;
1054 }
1055
1056 c = &ic->ic_channels[ic->ic_nchans++];
1057
1058 *c = *cent;
1059 c->ic_extieee = ext->ic_ieee;
1060 c->ic_flags &= ~IEEE80211_CHAN_HT;
1061 c->ic_flags |= IEEE80211_CHAN_HT40U;
1062
1063 c = &ic->ic_channels[ic->ic_nchans++];
1064
1065 *c = *ext;
1066 c->ic_extieee = cent->ic_ieee;
1067 c->ic_flags &= ~IEEE80211_CHAN_HT;
1068 c->ic_flags |= IEEE80211_CHAN_HT40D;
1069 }
1070
1071 for (i = 149; i <= 165; i += 4)
1072 {
1073 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1074
1075 /* find the center channel */
1076
1077 cent = ieee80211_find_channel_byieee(ic, i,
1078 flags & ~IEEE80211_CHAN_HT);
1079 if (cent == NULL)
1080 {
1081 printf("%s: skip channel %d, could not find center channel\n",
1082 device_get_nameunit(sc->dev), i);
1083 continue;
1084 }
1085
1086 /* find the extension channel */
1087
1088 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1089 flags & ~IEEE80211_CHAN_HT);
1090 if (ext == NULL)
1091 {
1092 printf("%s: skip channel %d, could not find extension channel\n",
1093 device_get_nameunit(sc->dev), i);
1094 continue;
1095 }
1096
1097 c = &ic->ic_channels[ic->ic_nchans++];
1098
1099 *c = *cent;
1100 c->ic_extieee = ext->ic_ieee;
1101 c->ic_flags &= ~IEEE80211_CHAN_HT;
1102 c->ic_flags |= IEEE80211_CHAN_HT40U;
1103
1104 c = &ic->ic_channels[ic->ic_nchans++];
1105
1106 *c = *ext;
1107 c->ic_extieee = cent->ic_ieee;
1108 c->ic_flags &= ~IEEE80211_CHAN_HT;
1109 c->ic_flags |= IEEE80211_CHAN_HT40D;
1110 }
1111 }
1112 }
1113
1114 /*
1115 * rt2860_init_locked
1116 */
1117 static void rt2860_init_locked(void *priv)
1118 {
1119 struct rt2860_softc *sc;
1120 struct ifnet *ifp;
1121 struct ieee80211com *ic;
1122 int error, i, ntries;
1123 uint32_t tmp, stacnt[6];
1124
1125 sc = priv;
1126 ifp = sc->ifp;
1127 ic = ifp->if_l2com;
1128
1129 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1130 "%s: initializing\n",
1131 device_get_nameunit(sc->dev));
1132
1133 RT2860_SOFTC_ASSERT_LOCKED(sc);
1134
1135 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1136 {
1137 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1138 "%s: loading 8051 microcode\n",
1139 device_get_nameunit(sc->dev));
1140
1141 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1142 if (error != 0)
1143 {
1144 printf("%s: could not load 8051 microcode\n",
1145 device_get_nameunit(sc->dev));
1146 goto fail;
1147 }
1148
1149 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1150 "%s: 8051 microcode was successfully loaded\n",
1151 device_get_nameunit(sc->dev));
1152
1153 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1154 }
1155
1156 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1157
1158 /* disable DMA engine */
1159
1160 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1161
1162 tmp &= 0xff0;
1163 tmp |= RT2860_REG_TX_WB_DDONE;
1164
1165 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1166
1167 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1168
1169 /* PBF hardware reset */
1170
1171 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1172 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1173
1174 /* wait while DMA engine is busy */
1175
1176 for (ntries = 0; ntries < 100; ntries++)
1177 {
1178 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1179 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1180 break;
1181
1182 DELAY(1000);
1183 }
1184
1185 if (ntries == 100)
1186 {
1187 printf("%s: timeout waiting for DMA engine\n",
1188 device_get_nameunit(sc->dev));
1189 goto fail;
1190 }
1191
1192 tmp &= 0xff0;
1193 tmp |= RT2860_REG_TX_WB_DDONE;
1194
1195 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1196
1197 /* reset Rx and Tx rings */
1198
1199 tmp = RT2860_REG_RST_IDX_RX |
1200 RT2860_REG_RST_IDX_TX_MGMT |
1201 RT2860_REG_RST_IDX_TX_HCCA |
1202 RT2860_REG_RST_IDX_TX_AC3 |
1203 RT2860_REG_RST_IDX_TX_AC2 |
1204 RT2860_REG_RST_IDX_TX_AC1 |
1205 RT2860_REG_RST_IDX_TX_AC0;
1206
1207 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1208
1209 /* PBF hardware reset */
1210
1211 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1212 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1213
1214 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1215
1216 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1217 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1218 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1219
1220 /* init Tx power per rate */
1221
1222 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1223 {
1224 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1225 continue;
1226
1227 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1228 sc->txpow_rate_20mhz[i]);
1229 }
1230
1231 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1232 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1233 rt2860_def_mac[i].val);
1234
1235 /* wait while MAC is busy */
1236
1237 for (ntries = 0; ntries < 100; ntries++)
1238 {
1239 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1240 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1241 break;
1242
1243 DELAY(1000);
1244 }
1245
1246 if (ntries == 100)
1247 {
1248 printf("%s: timeout waiting for MAC\n",
1249 device_get_nameunit(sc->dev));
1250 goto fail;
1251 }
1252
1253 /* clear Host to MCU mailbox */
1254
1255 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1256 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1257
1258 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1259 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1260
1261 DELAY(1000);
1262
1263 error = rt2860_init_bbp(sc);
1264 if (error != 0)
1265 goto fail;
1266
1267 /* set up maximum buffer sizes */
1268
1269 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1270
1271 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1272
1273 if (sc->mac_rev == 0x28720200)
1274 {
1275 /* set max. PSDU length from 16K to 32K bytes */
1276
1277 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1278
1279 tmp &= ~(3 << 12);
1280 tmp |= (2 << 12);
1281
1282 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1283 }
1284
1285 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1286 {
1287 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1288
1289 tmp &= 0xfff;
1290 tmp |= 0x2000;
1291
1292 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1293 }
1294
1295 /* set mac address */
1296
1297 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1298
1299 /* clear statistic registers */
1300
1301 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1302 stacnt, sizeof(stacnt));
1303
1304 /* set RTS threshold */
1305
1306 rt2860_asic_update_rtsthreshold(sc);
1307
1308 /* set Tx power */
1309
1310 rt2860_asic_update_txpower(sc);
1311
1312 /* set up protection mode */
1313
1314 sc->tx_ampdu_sessions = 0;
1315
1316 rt2860_asic_updateprot(sc);
1317
1318 /* clear key tables */
1319
1320 rt2860_asic_clear_keytables(sc);
1321
1322 /* clear beacon frame space (entries = 8, entry size = 512) */
1323
1324 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1325
1326 taskqueue_unblock(sc->taskqueue);
1327
1328 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1329
1330 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1331 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1332
1333 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1334 {
1335 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1336 sc->tx_ring[i].desc_phys_addr);
1337 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1338 RT2860_SOFTC_TX_RING_DESC_COUNT);
1339 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1340 }
1341
1342 /* init Rx ring */
1343
1344 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1345
1346 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1347 sc->rx_ring.desc_phys_addr);
1348 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1349 RT2860_SOFTC_RX_RING_DATA_COUNT);
1350 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1351 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1352
1353 /* wait while DMA engine is busy */
1354
1355 for (ntries = 0; ntries < 100; ntries++)
1356 {
1357 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1358 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1359 break;
1360
1361 DELAY(1000);
1362 }
1363
1364 if (ntries == 100)
1365 {
1366 printf("%s: timeout waiting for DMA engine\n",
1367 device_get_nameunit(sc->dev));
1368 goto fail;
1369 }
1370
1371 tmp &= 0xff0;
1372 tmp |= RT2860_REG_TX_WB_DDONE;
1373
1374 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1375
1376 /* disable interrupts mitigation */
1377
1378 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1379
1380 /* send LEDs operating mode to microcontroller */
1381
1382 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1383 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1384 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1385 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1386 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1387 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1388
1389 /* turn radio LED on */
1390
1391 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1392
1393 /* write vendor-specific BBP values (from EEPROM) */
1394
1395 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1396 {
1397 if (sc->bbp_eeprom[i].reg == 0x00 ||
1398 sc->bbp_eeprom[i].reg == 0xff)
1399 continue;
1400
1401 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1402 sc->bbp_eeprom[i].val);
1403 }
1404
1405 /*
1406 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1407 if (tmp & (1 << 2))
1408 {
1409 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1410 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1411 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1412
1413 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1414 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1415 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1416 }
1417 */
1418
1419 /* disable non-existing Rx chains */
1420
1421 tmp = rt2860_io_bbp_read(sc, 3);
1422
1423 tmp &= ~((1 << 4) | (1 << 3));
1424
1425 if (sc->nrxpath == 3)
1426 tmp |= (1 << 4);
1427 else if (sc->nrxpath == 2)
1428 tmp |= (1 << 3);
1429
1430 rt2860_io_bbp_write(sc, 3, tmp);
1431
1432 /* disable non-existing Tx chains */
1433
1434 tmp = rt2860_io_bbp_read(sc, 1);
1435
1436 tmp &= ~((1 << 4) | (1 << 3));
1437
1438 if (sc->ntxpath == 2)
1439 tmp |= (1 << 4);
1440
1441 rt2860_io_bbp_write(sc, 1, tmp);
1442
1443 /* set current channel */
1444
1445 rt2860_rf_set_chan(sc, ic->ic_curchan);
1446
1447 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1448 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1449 (48 << 16) | 96);
1450
1451 if ((sc->mac_rev & 0xffff) != 0x0101)
1452 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1453
1454 /* clear pending interrupts */
1455
1456 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1457
1458 /* enable interrupts */
1459
1460 tmp = RT2860_REG_INT_TX_COHERENT |
1461 RT2860_REG_INT_RX_COHERENT |
1462 RT2860_REG_INT_GP_TIMER |
1463 RT2860_REG_INT_AUTO_WAKEUP |
1464 RT2860_REG_INT_FIFO_STA_FULL |
1465 /*
1466 RT2860_REG_INT_PRE_TBTT |
1467 RT2860_REG_INT_TBTT |
1468 */
1469 RT2860_REG_INT_TXRX_COHERENT |
1470 RT2860_REG_INT_MCU_CMD |
1471 RT2860_REG_INT_TX_MGMT_DONE |
1472 RT2860_REG_INT_TX_HCCA_DONE |
1473 RT2860_REG_INT_TX_AC3_DONE |
1474 RT2860_REG_INT_TX_AC2_DONE |
1475 RT2860_REG_INT_TX_AC1_DONE |
1476 RT2860_REG_INT_TX_AC0_DONE |
1477 RT2860_REG_INT_RX_DONE;
1478
1479 sc->intr_enable_mask = tmp;
1480
1481 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1482
1483 if (rt2860_txrx_enable(sc) != 0)
1484 goto fail;
1485
1486 /* clear garbage interrupts */
1487
1488 tmp = rt2860_io_mac_read(sc, 0x1300);
1489
1490 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1491 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1492
1493 sc->periodic_round = 0;
1494
1495 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1496
1497 return;
1498
1499 fail:
1500
1501 rt2860_stop_locked(sc);
1502 }
1503
1504 /*
1505 * rt2860_init
1506 */
1507 static void rt2860_init(void *priv)
1508 {
1509 struct rt2860_softc *sc;
1510
1511 sc = priv;
1512
1513 RT2860_SOFTC_LOCK(sc);
1514
1515 rt2860_init_locked(sc);
1516
1517 RT2860_SOFTC_UNLOCK(sc);
1518 }
1519
1520 /*
1521 * rt2860_init_bbp
1522 */
1523 static int rt2860_init_bbp(struct rt2860_softc *sc)
1524 {
1525 int ntries, i;
1526 uint8_t tmp;
1527
1528 for (ntries = 0; ntries < 20; ntries++)
1529 {
1530 tmp = rt2860_io_bbp_read(sc, 0);
1531 if (tmp != 0x00 && tmp != 0xff)
1532 break;
1533 }
1534
1535 if (tmp == 0x00 || tmp == 0xff)
1536 {
1537 printf("%s: timeout waiting for BBP to wakeup\n",
1538 device_get_nameunit(sc->dev));
1539 return ETIMEDOUT;
1540 }
1541
1542 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1543 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1544 rt2860_def_bbp[i].val);
1545
1546 if ((sc->mac_rev & 0xffff) != 0x0101)
1547 rt2860_io_bbp_write(sc, 84, 0x19);
1548
1549 if (sc->mac_rev == 0x28600100)
1550 {
1551 rt2860_io_bbp_write(sc, 69, 0x16);
1552 rt2860_io_bbp_write(sc, 73, 0x12);
1553 }
1554
1555 return 0;
1556 }
1557
1558 /*
1559 * rt2860_stop_locked
1560 */
1561 static void rt2860_stop_locked(void *priv)
1562 {
1563 struct rt2860_softc *sc;
1564 struct ifnet *ifp;
1565 struct ieee80211com *ic;
1566 uint32_t tmp;
1567
1568 sc = priv;
1569 ifp = sc->ifp;
1570 ic = ifp->if_l2com;
1571
1572 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1573 "%s: stopping\n",
1574 device_get_nameunit(sc->dev));
1575
1576 RT2860_SOFTC_ASSERT_LOCKED(sc);
1577
1578 sc->tx_timer = 0;
1579
1580 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1581 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1582
1583 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1584
1585 callout_stop(&sc->periodic_ch);
1586 callout_stop(&sc->tx_watchdog_ch);
1587
1588 RT2860_SOFTC_UNLOCK(sc);
1589
1590 taskqueue_block(sc->taskqueue);
1591
1592 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1593 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1594 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1595 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1596
1597 RT2860_SOFTC_LOCK(sc);
1598
1599 /* clear key tables */
1600
1601 rt2860_asic_clear_keytables(sc);
1602
1603 /* disable interrupts */
1604
1605 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1606
1607 /* disable Tx/Rx */
1608
1609 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1610
1611 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1612
1613 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1614
1615 /* reset adapter */
1616
1617 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1618 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1619 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1620 }
1621
1622 /*
1623 * rt2860_stop
1624 */
1625 static void rt2860_stop(void *priv)
1626 {
1627 struct rt2860_softc *sc;
1628
1629 sc = priv;
1630
1631 RT2860_SOFTC_LOCK(sc);
1632
1633 rt2860_stop_locked(sc);
1634
1635 RT2860_SOFTC_UNLOCK(sc);
1636 }
1637
1638 /*
1639 * rt2860_start
1640 */
1641 static void rt2860_start(struct ifnet *ifp)
1642 {
1643 struct rt2860_softc *sc;
1644 struct ieee80211_node *ni;
1645 struct mbuf *m;
1646 int qid;
1647
1648 sc = ifp->if_softc;
1649
1650 RT2860_SOFTC_LOCK(sc);
1651
1652 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1653 {
1654 RT2860_SOFTC_UNLOCK(sc);
1655 return;
1656 }
1657
1658 for (;;)
1659 {
1660 IF_POLL(&ifp->if_snd, m);
1661 if (m == NULL)
1662 break;
1663
1664 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1665
1666 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1667
1668 qid = M_WME_GETAC(m);
1669
1670 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1671 {
1672 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1673 "%s: if_start: Tx ring with qid=%d is full\n",
1674 device_get_nameunit(sc->dev), qid);
1675
1676 m_freem(m);
1677 ieee80211_free_node(ni);
1678
1679 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1680 ifp->if_oerrors++;
1681
1682 sc->tx_data_queue_full[qid]++;
1683
1684 break;
1685 }
1686
1687 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1688 {
1689 ieee80211_free_node(ni);
1690
1691 ifp->if_oerrors++;
1692
1693 break;
1694 }
1695
1696 rt2860_drain_fifo_stats(sc);
1697
1698 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1699
1700 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1701 }
1702
1703 RT2860_SOFTC_UNLOCK(sc);
1704 }
1705
1706 /*
1707 * rt2860_ioctl
1708 */
1709 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1710 {
1711 struct rt2860_softc *sc;
1712 struct ieee80211com *ic;
1713 struct ifreq *ifr;
1714 int error, startall;
1715
1716 sc = ifp->if_softc;
1717 ic = ifp->if_l2com;
1718 ifr = (struct ifreq *) data;
1719
1720 error = 0;
1721
1722 switch (cmd)
1723 {
1724 case SIOCSIFFLAGS:
1725 startall = 0;
1726
1727 RT2860_SOFTC_LOCK(sc);
1728
1729 if (ifp->if_flags & IFF_UP)
1730 {
1731 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1732 {
1733 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1734 rt2860_asic_update_promisc(sc);
1735 }
1736 else
1737 {
1738 rt2860_init_locked(sc);
1739 startall = 1;
1740 }
1741 }
1742 else
1743 {
1744 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1745 rt2860_stop_locked(sc);
1746 }
1747
1748 sc->if_flags = ifp->if_flags;
1749
1750 RT2860_SOFTC_UNLOCK(sc);
1751
1752 if (startall)
1753 ieee80211_start_all(ic);
1754 break;
1755
1756 case SIOCGIFMEDIA:
1757 case SIOCSIFMEDIA:
1758 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1759 break;
1760
1761 case SIOCGIFADDR:
1762 error = ether_ioctl(ifp, cmd, data);
1763 break;
1764
1765 default:
1766 error = EINVAL;
1767 break;
1768 }
1769
1770 return error;
1771 }
1772
1773 /*
1774 * rt2860_vap_create
1775 */
1776 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1777 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1778 const uint8_t bssid[IEEE80211_ADDR_LEN],
1779 const uint8_t mac[IEEE80211_ADDR_LEN])
1780 {
1781 struct rt2860_softc *sc;
1782 struct ifnet *ifp;
1783 struct rt2860_softc_vap *rvap;
1784 struct ieee80211vap *vap;
1785
1786 ifp = ic->ic_ifp;
1787 sc = ifp->if_softc;
1788
1789 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1790 "%s: VAP create: opmode=%s\n",
1791 device_get_nameunit(sc->dev),
1792 ieee80211_opmode_name[opmode]);
1793
1794 switch (opmode)
1795 {
1796 case IEEE80211_M_MONITOR:
1797 case IEEE80211_M_IBSS:
1798 case IEEE80211_M_STA:
1799 case IEEE80211_M_AHDEMO:
1800 case IEEE80211_M_HOSTAP:
1801 case IEEE80211_M_MBSS:
1802 if (!TAILQ_EMPTY(&ic->ic_vaps))
1803 {
1804 if_printf(ifp, "only 1 VAP supported\n");
1805 return NULL;
1806 }
1807
1808 if (opmode == IEEE80211_M_STA)
1809 flags |= IEEE80211_CLONE_NOBEACONS;
1810 break;
1811
1812 case IEEE80211_M_WDS:
1813 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1814 {
1815 if_printf(ifp, "WDS only supported in AP mode\n");
1816 return NULL;
1817 }
1818
1819 flags &= ~IEEE80211_CLONE_BSSID;
1820 break;
1821
1822 default:
1823 if_printf(ifp, "unknown opmode %d\n", opmode);
1824 return NULL;
1825 }
1826
1827 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1828 M_80211_VAP, M_NOWAIT | M_ZERO);
1829 if (rvap == NULL)
1830 return NULL;
1831
1832 vap = &rvap->vap;
1833
1834 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1835
1836 rvap->newstate = vap->iv_newstate;
1837 vap->iv_newstate = rt2860_vap_newstate;
1838
1839 vap->iv_reset = rt2860_vap_reset;
1840 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1841 vap->iv_key_update_end = rt2860_vap_key_update_end;
1842 vap->iv_key_set = rt2860_vap_key_set;
1843 vap->iv_key_delete = rt2860_vap_key_delete;
1844 vap->iv_update_beacon = rt2860_vap_update_beacon;
1845
1846 rt2860_amrr_init(&rvap->amrr, vap,
1847 sc->ntxpath,
1848 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1849 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1850 500);
1851
1852 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1853
1854 /* override default Rx A-MPDU factor */
1855
1856 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1857 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1858 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1859
1860 ic->ic_opmode = opmode;
1861
1862 return vap;
1863 }
1864
1865 /*
1866 * rt2860_vap_delete
1867 */
1868 static void rt2860_vap_delete(struct ieee80211vap *vap)
1869 {
1870 struct rt2860_softc *sc;
1871 struct ieee80211com *ic;
1872 struct ifnet *ifp;
1873 struct rt2860_softc_vap *rvap;
1874
1875 ic = vap->iv_ic;
1876 ifp = ic->ic_ifp;
1877 sc = ifp->if_softc;
1878 rvap = (struct rt2860_softc_vap *) vap;
1879
1880 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1881 "%s: VAP delete: opmode=%s\n",
1882 device_get_nameunit(sc->dev),
1883 ieee80211_opmode_name[vap->iv_opmode]);
1884
1885 rt2860_amrr_cleanup(&rvap->amrr);
1886
1887 ieee80211_vap_detach(vap);
1888
1889 free(rvap, M_80211_VAP);
1890 }
1891
1892 /*
1893 * rt2860_reset_vap
1894 */
1895 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1896 {
1897 struct rt2860_softc *sc;
1898 struct ieee80211com *ic;
1899 struct ifnet *ifp;
1900 struct rt2860_softc_vap *rvap;
1901 int error;
1902
1903 ic = vap->iv_ic;
1904 ifp = ic->ic_ifp;
1905 sc = ifp->if_softc;
1906 rvap = (struct rt2860_softc_vap *) vap;
1907
1908 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1909 "%s: VAP reset: cmd=%lu\n",
1910 device_get_nameunit(sc->dev), cmd);
1911
1912 error = 0;
1913
1914 switch (cmd)
1915 {
1916 case IEEE80211_IOC_RTSTHRESHOLD:
1917 case IEEE80211_IOC_AMSDU:
1918 rt2860_asic_update_rtsthreshold(sc);
1919 break;
1920
1921 case IEEE80211_IOC_PROTMODE:
1922 case IEEE80211_IOC_HTPROTMODE:
1923 rt2860_asic_updateprot(sc);
1924 break;
1925
1926 case IEEE80211_IOC_TXPOWER:
1927 rt2860_asic_update_txpower(sc);
1928 break;
1929
1930 case IEEE80211_IOC_BURST:
1931 rt2860_asic_updateslot(sc);
1932 break;
1933
1934 case IEEE80211_IOC_SHORTGI:
1935 case IEEE80211_IOC_AMPDU_DENSITY:
1936 case IEEE80211_IOC_SMPS:
1937 break;
1938
1939 default:
1940 error = ENETRESET;
1941 break;
1942 }
1943
1944 return error;
1945 }
1946
1947 /*
1948 * rt2860_vap_newstate
1949 */
1950 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1951 enum ieee80211_state nstate, int arg)
1952 {
1953 struct rt2860_softc *sc;
1954 struct ieee80211com *ic;
1955 struct ifnet *ifp;
1956 struct rt2860_softc_vap *rvap;
1957 struct ieee80211_node *ni;
1958 enum ieee80211_state ostate;
1959 int error;
1960
1961 ic = vap->iv_ic;
1962 ifp = ic->ic_ifp;
1963 sc = ifp->if_softc;
1964 rvap = (struct rt2860_softc_vap *) vap;
1965
1966 ostate = vap->iv_state;
1967
1968 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1969 "%s: VAP newstate: %s -> %s\n",
1970 device_get_nameunit(sc->dev),
1971 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1972
1973 error = rvap->newstate(vap, nstate, arg);
1974 if (error != 0)
1975 return error;
1976
1977 IEEE80211_UNLOCK(ic);
1978
1979 RT2860_SOFTC_LOCK(sc);
1980
1981 /* turn link LED off */
1982
1983 if (nstate != IEEE80211_S_RUN)
1984 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1985
1986 switch (nstate)
1987 {
1988 case IEEE80211_S_INIT:
1989 rt2860_asic_disable_tsf_sync(sc);
1990 break;
1991
1992 case IEEE80211_S_RUN:
1993 ni = vap->iv_bss;
1994
1995 rt2860_rf_set_chan(sc, ni->ni_chan);
1996
1997 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1998 {
1999 rt2860_asic_enable_mrr(sc);
2000 rt2860_asic_set_txpreamble(sc);
2001 rt2860_asic_set_basicrates(sc);
2002 rt2860_asic_update_txpower(sc);
2003 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2004 }
2005
2006 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2007 vap->iv_opmode == IEEE80211_M_IBSS ||
2008 vap->iv_opmode == IEEE80211_M_MBSS)
2009 {
2010 error = rt2860_asic_update_beacon(sc, vap);
2011 if (error != 0)
2012 break;
2013 }
2014
2015 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2016 rt2860_asic_enable_tsf_sync(sc);
2017
2018 /* turn link LED on */
2019
2020 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2021 {
2022 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2023 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2024 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2025 }
2026 break;
2027
2028 default:
2029 break;
2030 }
2031
2032 RT2860_SOFTC_UNLOCK(sc);
2033
2034 IEEE80211_LOCK(ic);
2035
2036 return error;
2037 }
2038
2039 /*
2040 * rt2860_vap_key_update_begin
2041 */
2042 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2043 {
2044 struct rt2860_softc *sc;
2045 struct ieee80211com *ic;
2046 struct ifnet *ifp;
2047
2048 ic = vap->iv_ic;
2049 ifp = ic->ic_ifp;
2050 sc = ifp->if_softc;
2051
2052 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2053 "%s: VAP key update begin\n",
2054 device_get_nameunit(sc->dev));
2055
2056 taskqueue_block(sc->taskqueue);
2057
2058 IF_LOCK(&ifp->if_snd);
2059 }
2060
2061 /*
2062 * rt2860_vap_key_update_end
2063 */
2064 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2065 {
2066 struct rt2860_softc *sc;
2067 struct ieee80211com *ic;
2068 struct ifnet *ifp;
2069
2070 ic = vap->iv_ic;
2071 ifp = ic->ic_ifp;
2072 sc = ifp->if_softc;
2073
2074 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2075 "%s: VAP key update end\n",
2076 device_get_nameunit(sc->dev));
2077
2078 IF_UNLOCK(&ifp->if_snd);
2079
2080 taskqueue_unblock(sc->taskqueue);
2081 }
2082
2083 /*
2084 * rt2860_vap_key_set
2085 */
2086 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2087 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2088 {
2089 struct rt2860_softc *sc;
2090 struct ieee80211com *ic;
2091 struct ifnet *ifp;
2092 struct ieee80211_node *ni;
2093 uint16_t associd, key_base, keymode_base;
2094 uint8_t mode, vapid, wcid, iv[8];
2095 uint32_t tmp;
2096
2097 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2098 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2099 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2100 return EINVAL;
2101
2102 ic = vap->iv_ic;
2103 ifp = ic->ic_ifp;
2104 sc = ifp->if_softc;
2105
2106 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2107 ni = vap->iv_bss;
2108 else
2109 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2110
2111 associd = (ni != NULL) ? ni->ni_associd : 0;
2112
2113 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2114 ieee80211_free_node(ni);
2115
2116 switch (k->wk_cipher->ic_cipher)
2117 {
2118 case IEEE80211_CIPHER_WEP:
2119 if(k->wk_keylen < 8)
2120 mode = RT2860_REG_CIPHER_MODE_WEP40;
2121 else
2122 mode = RT2860_REG_CIPHER_MODE_WEP104;
2123 break;
2124
2125 case IEEE80211_CIPHER_TKIP:
2126 mode = RT2860_REG_CIPHER_MODE_TKIP;
2127 break;
2128
2129 case IEEE80211_CIPHER_AES_CCM:
2130 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2131 break;
2132
2133 default:
2134 return EINVAL;
2135 }
2136
2137 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2138 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2139 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2140 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2141
2142 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2143 {
2144 /* install pairwise key */
2145
2146 vapid = 0;
2147 wcid = RT2860_AID2WCID(associd);
2148 key_base = RT2860_REG_PKEY(wcid);
2149
2150 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2151 {
2152 memset(iv, 0, 8);
2153
2154 iv[3] = (k->wk_keyix << 6);
2155 }
2156 else
2157 {
2158 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2159 {
2160 iv[0] = (k->wk_keytsc >> 8);
2161 iv[1] = ((iv[0] | 0x20) & 0x7f);
2162 iv[2] = k->wk_keytsc;
2163 }
2164 else
2165 {
2166 /* AES CCMP */
2167
2168 iv[0] = k->wk_keytsc;
2169 iv[1] = k->wk_keytsc >> 8;
2170 iv[2] = 0;
2171 }
2172
2173 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2174 iv[4] = (k->wk_keytsc >> 16);
2175 iv[5] = (k->wk_keytsc >> 24);
2176 iv[6] = (k->wk_keytsc >> 32);
2177 iv[7] = (k->wk_keytsc >> 40);
2178
2179 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2180 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2181 device_get_nameunit(sc->dev),
2182 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2183 }
2184
2185 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2186
2187 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2188 {
2189 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2190
2191 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2192 {
2193 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2194 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2195 }
2196 else
2197 {
2198 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2199 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2200 }
2201 }
2202 else
2203 {
2204 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2205 }
2206
2207 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2208 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2209
2210 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2211 }
2212
2213 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2214 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2215 {
2216 /* install group key */
2217
2218 vapid = 0;
2219 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2220 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2221
2222 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2223 {
2224 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2225
2226 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2227 {
2228 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2229 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2230 }
2231 else
2232 {
2233 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2234 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2235 }
2236 }
2237 else
2238 {
2239 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2240 }
2241
2242 tmp = rt2860_io_mac_read(sc, keymode_base);
2243
2244 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2245 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2246
2247 rt2860_io_mac_write(sc, keymode_base, tmp);
2248 }
2249
2250 return 1;
2251 }
2252
2253 /*
2254 * rt2860_vap_key_delete
2255 */
2256 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2257 const struct ieee80211_key *k)
2258 {
2259 struct rt2860_softc *sc;
2260 struct ieee80211com *ic;
2261 struct ifnet *ifp;
2262 struct ieee80211_node *ni;
2263 uint16_t associd;
2264 uint8_t vapid, wcid;
2265 uint32_t tmp;
2266
2267 ic = vap->iv_ic;
2268 ifp = ic->ic_ifp;
2269 sc = ifp->if_softc;
2270 ni = vap->iv_bss;
2271 associd = (ni != NULL) ? ni->ni_associd : 0;
2272
2273 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2274 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2275 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2276 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2277
2278 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2279 {
2280 /* remove pairwise key */
2281
2282 vapid = 0;
2283 wcid = RT2860_AID2WCID(associd);
2284
2285 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2286 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2287
2288 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2289 }
2290 else
2291 {
2292 /* remove group key */
2293
2294 vapid = 0;
2295
2296 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2297
2298 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2299 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2300
2301 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2302 }
2303
2304 return 1;
2305 }
2306
2307 /*
2308 * rt2860_vap_update_beacon
2309 */
2310 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2311 {
2312 struct rt2860_softc *sc;
2313 struct ieee80211com *ic;
2314 struct ifnet *ifp;
2315
2316 ic = vap->iv_ic;
2317 ifp = ic->ic_ifp;
2318 sc = ifp->if_softc;
2319
2320 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2321 "%s: VAP update beacon\n",
2322 device_get_nameunit(sc->dev));
2323
2324 rt2860_asic_update_beacon(sc, vap);
2325 }
2326
2327 /*
2328 * rt2860_media_change
2329 */
2330 static int rt2860_media_change(struct ifnet *ifp)
2331 {
2332 int error;
2333
2334 error = ieee80211_media_change(ifp);
2335
2336 return (error == ENETRESET ? 0 : error);
2337 }
2338
2339 /*
2340 * rt2860_node_alloc
2341 */
2342 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2343 const uint8_t mac[IEEE80211_ADDR_LEN])
2344 {
2345 return malloc(sizeof(struct rt2860_softc_node),
2346 M_80211_NODE, M_NOWAIT | M_ZERO);
2347 }
2348
2349 /*
2350 * rt2860_setregdomain
2351 */
2352 static int rt2860_setregdomain(struct ieee80211com *ic,
2353 struct ieee80211_regdomain *reg,
2354 int nchans, struct ieee80211_channel chans[])
2355 {
2356 struct rt2860_softc *sc;
2357 struct ifnet *ifp;
2358
2359 ifp = ic->ic_ifp;
2360 sc = ifp->if_softc;
2361
2362 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2363 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2364 device_get_nameunit(sc->dev),
2365 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2366
2367 return 0;
2368 }
2369
2370 /*
2371 * rt2860_getradiocaps
2372 */
2373 static void rt2860_getradiocaps(struct ieee80211com *ic,
2374 int maxchans, int *nchans, struct ieee80211_channel chans[])
2375 {
2376 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2377
2378 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2379 }
2380
2381 /*
2382 * rt2860_scan_start
2383 */
2384 static void rt2860_scan_start(struct ieee80211com *ic)
2385 {
2386 struct rt2860_softc *sc;
2387 struct ifnet *ifp;
2388
2389 ifp = ic->ic_ifp;
2390 sc = ifp->if_softc;
2391
2392 rt2860_asic_disable_tsf_sync(sc);
2393 }
2394
2395 /*
2396 * rt2860_scan_end
2397 */
2398 static void rt2860_scan_end(struct ieee80211com *ic)
2399 {
2400 struct rt2860_softc *sc;
2401 struct ifnet *ifp;
2402
2403 ifp = ic->ic_ifp;
2404 sc = ifp->if_softc;
2405
2406 rt2860_asic_enable_tsf_sync(sc);
2407 }
2408
2409 /*
2410 * rt2860_set_channel
2411 */
2412 static void rt2860_set_channel(struct ieee80211com *ic)
2413 {
2414 struct rt2860_softc *sc;
2415 struct ifnet *ifp;
2416
2417 ifp = ic->ic_ifp;
2418 sc = ifp->if_softc;
2419
2420 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2421 "%s: set channel: channel=%u, HT%s%s\n",
2422 device_get_nameunit(sc->dev),
2423 ieee80211_chan2ieee(ic, ic->ic_curchan),
2424 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2425 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2426 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2427 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2428
2429 RT2860_SOFTC_LOCK(sc);
2430
2431 rt2860_rf_set_chan(sc, ic->ic_curchan);
2432
2433 RT2860_SOFTC_UNLOCK(sc);
2434 }
2435
2436 /*
2437 * rt2860_newassoc
2438 */
2439 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2440 {
2441 struct rt2860_softc *sc;
2442 struct ieee80211com *ic;
2443 struct ifnet *ifp;
2444 struct ieee80211vap *vap;
2445 struct rt2860_softc_vap *rvap;
2446 uint16_t associd;
2447 uint8_t wcid;
2448
2449 vap = ni->ni_vap;
2450 ic = vap->iv_ic;
2451 ifp = ic->ic_ifp;
2452 sc = ifp->if_softc;
2453 rvap = (struct rt2860_softc_vap *) vap;
2454
2455 associd = (ni != NULL) ? ni->ni_associd : 0;
2456 wcid = RT2860_AID2WCID(associd);
2457
2458 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2459 "%s: new association: wcid=0x%02x, "
2460 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2461 device_get_nameunit(sc->dev), wcid,
2462 ether_sprintf(ni->ni_macaddr),
2463 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2464 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2465 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2466
2467 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2468 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2469
2470 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2471
2472 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2473 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2474 device_get_nameunit(sc->dev),
2475 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2476 ni->ni_associd, ni->ni_txrate,
2477 (ni->ni_flags & IEEE80211_NODE_HT) ?
2478 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2479 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2480
2481 rt2860_asic_updateprot(sc);
2482 rt2860_asic_updateslot(sc);
2483 rt2860_asic_set_txpreamble(sc);
2484 }
2485
2486 /*
2487 * rt2860_updateslot
2488 */
2489 static void rt2860_updateslot(struct ifnet *ifp)
2490 {
2491 struct rt2860_softc *sc;
2492
2493 sc = ifp->if_softc;
2494
2495 rt2860_asic_updateslot(sc);
2496 }
2497
2498 /*
2499 * rt2860_update_promisc
2500 */
2501 static void rt2860_update_promisc(struct ifnet *ifp)
2502 {
2503 struct rt2860_softc *sc;
2504
2505 sc = ifp->if_softc;
2506
2507 rt2860_asic_update_promisc(sc);
2508 }
2509
2510 /*
2511 * rt2860_update_mcast
2512 */
2513 static void rt2860_update_mcast(struct ifnet *ifp)
2514 {
2515 struct rt2860_softc *sc;
2516
2517 sc = ifp->if_softc;
2518 }
2519
2520 /*
2521 * rt2860_wme_update
2522 */
2523 static int rt2860_wme_update(struct ieee80211com *ic)
2524 {
2525 struct rt2860_softc *sc;
2526 struct ifnet *ifp;
2527
2528 ifp = ic->ic_ifp;
2529 sc = ifp->if_softc;
2530
2531 rt2860_asic_wme_update(sc);
2532
2533 return 0;
2534 }
2535
2536 /*
2537 * rt2860_raw_xmit
2538 */
2539 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2540 const struct ieee80211_bpf_params *params)
2541 {
2542 struct rt2860_softc *sc;
2543 struct ieee80211com *ic;
2544 struct ifnet *ifp;
2545
2546 ic = ni->ni_ic;
2547 ifp = ic->ic_ifp;
2548 sc = ifp->if_softc;
2549
2550 RT2860_SOFTC_LOCK(sc);
2551
2552 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2553 {
2554 RT2860_SOFTC_UNLOCK(sc);
2555
2556 m_freem(m);
2557 ieee80211_free_node(ni);
2558
2559 return ENETDOWN;
2560 }
2561
2562 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2563 {
2564 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2565 "%s: raw xmit: Tx ring with qid=%d is full\n",
2566 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2567
2568 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2569
2570 RT2860_SOFTC_UNLOCK(sc);
2571
2572 m_freem(m);
2573 ieee80211_free_node(ni);
2574
2575 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2576
2577 return ENOBUFS;
2578 }
2579
2580 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2581 {
2582 ifp->if_oerrors++;
2583
2584 RT2860_SOFTC_UNLOCK(sc);
2585
2586 ieee80211_free_node(ni);
2587
2588 return EIO;
2589 }
2590
2591 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2592
2593 RT2860_SOFTC_UNLOCK(sc);
2594
2595 return 0;
2596 }
2597
2598 /*
2599 * rt2860_recv_action
2600 */
2601 static int rt2860_recv_action(struct ieee80211_node *ni,
2602 const struct ieee80211_frame *wh,
2603 const uint8_t *frm, const uint8_t *efrm)
2604 {
2605 struct rt2860_softc *sc;
2606 struct ieee80211com *ic;
2607 struct ifnet *ifp;
2608 const struct ieee80211_action *ia;
2609 struct ieee80211_tx_ampdu *tx_ampdu;
2610 uint16_t associd, status, baparamset;
2611 uint8_t wcid;
2612 int ret, tid, bufsize, ac;
2613 uint32_t tmp;
2614
2615 ic = ni->ni_ic;
2616 ifp = ic->ic_ifp;
2617 sc = ifp->if_softc;
2618
2619 ia = (const struct ieee80211_action *) frm;
2620
2621 ret = sc->recv_action(ni, wh, frm, efrm);
2622
2623 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2624 return ret;
2625
2626 associd = (ni != NULL) ? ni->ni_associd : 0;
2627 wcid = RT2860_AID2WCID(associd);
2628
2629 switch (ia->ia_action)
2630 {
2631 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2632 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2633 baparamset = LE_READ_2(frm + 3);
2634 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2635 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2636
2637 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2638 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2639 device_get_nameunit(sc->dev), associd, tid, bufsize);
2640
2641 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2642
2643 tmp |= (0x10000 << tid);
2644
2645 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2646 break;
2647
2648 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2649 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2650 status = LE_READ_2(frm + 3);
2651 baparamset = LE_READ_2(frm + 4);
2652 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2653 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2654 ac = TID_TO_WME_AC(tid);
2655 tx_ampdu = &ni->ni_tx_ampdu[ac];
2656
2657 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2658 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2659 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2660
2661 if (sc->mac_rev >= 0x28720200)
2662 {
2663 if (tx_ampdu->txa_wnd > 13)
2664 tx_ampdu->txa_wnd = 13;
2665 }
2666 else
2667 {
2668 if (tx_ampdu->txa_wnd > 7)
2669 tx_ampdu->txa_wnd = 7;
2670 }
2671
2672 if (status == IEEE80211_STATUS_SUCCESS)
2673 {
2674 sc->tx_ampdu_sessions++;
2675
2676 rt2860_asic_updateprot(sc);
2677 }
2678 break;
2679
2680 /* IEEE80211_ACTION_BA_DELBA */
2681 case IEEE80211_ACTION_BA_DELBA:
2682 baparamset = LE_READ_2(frm + 2);
2683 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2684
2685 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2686 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2687 device_get_nameunit(sc->dev), associd, tid);
2688
2689 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2690
2691 tmp &= ~(0x10000 << tid);
2692
2693 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2694 break;
2695 }
2696
2697 return ret;
2698 }
2699
2700 /*
2701 * rt2860_send_action
2702 */
2703 static int rt2860_send_action(struct ieee80211_node *ni,
2704 int cat, int act, void *sa)
2705 {
2706 struct rt2860_softc *sc;
2707 struct ieee80211com *ic;
2708 struct ifnet *ifp;
2709 uint16_t associd, *args, baparamset;
2710 uint8_t wcid;
2711 int ret, tid;
2712 uint32_t tmp;
2713
2714 ic = ni->ni_ic;
2715 ifp = ic->ic_ifp;
2716 sc = ifp->if_softc;
2717
2718 ret = sc->send_action(ni, cat, act, sa);
2719
2720 if (cat != IEEE80211_ACTION_CAT_BA)
2721 return ret;
2722
2723 associd = (ni != NULL) ? ni->ni_associd : 0;
2724 wcid = RT2860_AID2WCID(associd);
2725 args = sa;
2726
2727 switch (act)
2728 {
2729 /* IEEE80211_ACTION_BA_DELBA */
2730 case IEEE80211_ACTION_BA_DELBA:
2731 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2732
2733 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2734
2735 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2736 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2737 device_get_nameunit(sc->dev), associd, tid);
2738
2739 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2740 {
2741 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2742
2743 tmp &= ~(0x10000 << tid);
2744
2745 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2746 }
2747 else
2748 {
2749 sc->tx_ampdu_sessions--;
2750
2751 rt2860_asic_updateprot(sc);
2752 }
2753 break;
2754 }
2755
2756 return ret;
2757 }
2758
2759 /*
2760 * rt2860_amrr_update_iter_func
2761 */
2762 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2763 {
2764 struct rt2860_softc *sc;
2765 struct ieee80211com *ic;
2766 struct ifnet *ifp;
2767 struct ieee80211vap *vap;
2768 struct rt2860_softc_vap *rvap;
2769 uint8_t wcid;
2770
2771 vap = arg;
2772 ic = vap->iv_ic;
2773 ifp = ic->ic_ifp;
2774 sc = ifp->if_softc;
2775 rvap = (struct rt2860_softc_vap *) vap;
2776
2777 /* only associated stations */
2778
2779 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2780 {
2781 wcid = RT2860_AID2WCID(ni->ni_associd);
2782
2783 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2784 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2785 device_get_nameunit(sc->dev),
2786 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2787
2788 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2789
2790 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2791 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2792 device_get_nameunit(sc->dev),
2793 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2794 ni->ni_associd, ni->ni_txrate,
2795 (ni->ni_flags & IEEE80211_NODE_HT) ?
2796 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2797 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2798 }
2799 }
2800
2801 /*
2802 * rt2860_periodic
2803 */
2804 static void rt2860_periodic(void *arg)
2805 {
2806 struct rt2860_softc *sc;
2807
2808 sc = arg;
2809
2810 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2811 "%s: periodic\n",
2812 device_get_nameunit(sc->dev));
2813
2814 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2815 }
2816
2817 /*
2818 * rt2860_tx_watchdog
2819 */
2820 static void rt2860_tx_watchdog(void *arg)
2821 {
2822 struct rt2860_softc *sc;
2823 struct ifnet *ifp;
2824
2825 sc = arg;
2826 ifp = sc->ifp;
2827
2828 if (sc->tx_timer == 0)
2829 return;
2830
2831 if (--sc->tx_timer == 0)
2832 {
2833 printf("%s: Tx watchdog timeout: resetting\n",
2834 device_get_nameunit(sc->dev));
2835
2836 rt2860_stop_locked(sc);
2837 rt2860_init_locked(sc);
2838
2839 ifp->if_oerrors++;
2840
2841 sc->tx_watchdog_timeouts++;
2842 }
2843
2844 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2845 }
2846
2847 /*
2848 * rt2860_asic_set_bssid
2849 */
2850 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2851 const uint8_t *bssid)
2852 {
2853 uint32_t tmp;
2854
2855 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2856 "%s: set bssid: bssid=%s\n",
2857 device_get_nameunit(sc->dev),
2858 ether_sprintf(bssid));
2859
2860 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2861
2862 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2863
2864 tmp = bssid[4] | (bssid[5] << 8);
2865
2866 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2867 }
2868
2869 /*
2870 * rt2860_asic_set_macaddr
2871 */
2872 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2873 const uint8_t *addr)
2874 {
2875 uint32_t tmp;
2876
2877 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2878
2879 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2880
2881 tmp = addr[4] | (addr[5] << 8);
2882
2883 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2884 }
2885
2886 /*
2887 * rt2860_asic_enable_tsf_sync
2888 */
2889 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2890 {
2891 struct ifnet *ifp;
2892 struct ieee80211com *ic;
2893 struct ieee80211vap *vap;
2894 uint32_t tmp;
2895
2896 ifp = sc->ifp;
2897 ic = ifp->if_l2com;
2898 vap = TAILQ_FIRST(&ic->ic_vaps);
2899
2900 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2901 "%s: enabling TSF\n",
2902 device_get_nameunit(sc->dev));
2903
2904 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2905
2906 tmp &= ~0x1fffff;
2907 tmp |= vap->iv_bss->ni_intval * 16;
2908 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2909
2910 if (vap->iv_opmode == IEEE80211_M_STA)
2911 {
2912 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2913 }
2914 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2915 {
2916 tmp |= RT2860_REG_BCN_TX_ENABLE;
2917 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2918 }
2919 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2920 {
2921 tmp |= RT2860_REG_BCN_TX_ENABLE;
2922 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2923 }
2924
2925 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2926 }
2927
2928 /*
2929 * rt2860_asic_disable_tsf_sync
2930 */
2931 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2932 {
2933 uint32_t tmp;
2934
2935 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2936 "%s: disabling TSF\n",
2937 device_get_nameunit(sc->dev));
2938
2939 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2940
2941 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2942 RT2860_REG_TSF_TIMER_ENABLE |
2943 RT2860_REG_TBTT_TIMER_ENABLE);
2944
2945 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2946 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2947
2948 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2949 }
2950
2951 /*
2952 * rt2860_asic_enable_mrr
2953 */
2954 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2955 {
2956 #define CCK(mcs) (mcs)
2957 #define OFDM(mcs) ((1 << 3) | (mcs))
2958 #define HT(mcs) (mcs)
2959
2960 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2961 (OFDM(6) << 28) | /* 54 -> 48 */
2962 (OFDM(5) << 24) | /* 48 -> 36 */
2963 (OFDM(4) << 20) | /* 36 -> 24 */
2964 (OFDM(3) << 16) | /* 24 -> 18 */
2965 (OFDM(2) << 12) | /* 18 -> 12 */
2966 (OFDM(1) << 8) | /* 12 -> 9 */
2967 (OFDM(0) << 4) | /* 9 -> 6 */
2968 OFDM(0)); /* 6 -> 6 */
2969
2970 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2971 (CCK(2) << 12) | /* 11 -> 5.5 */
2972 (CCK(1) << 8) | /* 5.5 -> 2 */
2973 (CCK(0) << 4) | /* 2 -> 1 */
2974 CCK(0)); /* 1 -> 1 */
2975
2976 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2977 (HT(6) << 28) |
2978 (HT(5) << 24) |
2979 (HT(4) << 20) |
2980 (HT(3) << 16) |
2981 (HT(2) << 12) |
2982 (HT(1) << 8) |
2983 (HT(0) << 4) |
2984 HT(0));
2985
2986 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2987 (HT(14) << 28) |
2988 (HT(13) << 24) |
2989 (HT(12) << 20) |
2990 (HT(11) << 16) |
2991 (HT(10) << 12) |
2992 (HT(9) << 8) |
2993 (HT(8) << 4) |
2994 HT(7));
2995
2996 #undef HT
2997 #undef OFDM
2998 #undef CCK
2999 }
3000
3001 /*
3002 * rt2860_asic_set_txpreamble
3003 */
3004 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3005 {
3006 struct ifnet *ifp;
3007 struct ieee80211com *ic;
3008 uint32_t tmp;
3009
3010 ifp = sc->ifp;
3011 ic = ifp->if_l2com;
3012
3013 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3014 "%s: %s short Tx preamble\n",
3015 device_get_nameunit(sc->dev),
3016 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3017
3018 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3019
3020 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3021
3022 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3023 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3024
3025 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3026 }
3027
3028 /*
3029 * rt2860_asic_set_basicrates
3030 */
3031 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3032 {
3033 struct ifnet *ifp;
3034 struct ieee80211com *ic;
3035
3036 ifp = sc->ifp;
3037 ic = ifp->if_l2com;
3038
3039 if (ic->ic_curmode == IEEE80211_MODE_11B)
3040 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3041 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3042 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3043 else
3044 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3045 }
3046
3047 /*
3048 * rt2860_asic_update_rtsthreshold
3049 */
3050 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3051 {
3052 struct ifnet *ifp;
3053 struct ieee80211com *ic;
3054 struct ieee80211vap *vap;
3055 uint32_t tmp;
3056 uint16_t threshold;
3057
3058 ifp = sc->ifp;
3059 ic = ifp->if_l2com;
3060 vap = TAILQ_FIRST(&ic->ic_vaps);
3061
3062 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3063 "%s: updating RTS threshold: %d\n",
3064 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3065
3066 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3067
3068 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3069
3070 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3071 threshold = 0x1000;
3072 else
3073 threshold = vap->iv_rtsthreshold;
3074
3075 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3076 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3077
3078 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3079 }
3080
3081 /*
3082 * rt2860_asic_update_txpower
3083 */
3084 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3085 {
3086 struct ifnet *ifp;
3087 struct ieee80211com *ic;
3088 uint32_t *txpow_rate;
3089 int8_t delta;
3090 uint8_t val;
3091 uint32_t tmp;
3092 int i;
3093
3094 ifp = sc->ifp;
3095 ic = ifp->if_l2com;
3096
3097 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3098 "%s: updating Tx power: %d\n",
3099 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3100
3101 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3102 {
3103 txpow_rate = sc->txpow_rate_20mhz;
3104 }
3105 else
3106 {
3107 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3108 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3109 else
3110 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3111 }
3112
3113 delta = 0;
3114
3115 val = rt2860_io_bbp_read(sc, 1);
3116 val &= 0xfc;
3117
3118 if (ic->ic_txpowlimit > 90)
3119 {
3120 /* do nothing */
3121 }
3122 else if (ic->ic_txpowlimit > 60)
3123 {
3124 delta -= 1;
3125 }
3126 else if (ic->ic_txpowlimit > 30)
3127 {
3128 delta -= 3;
3129 }
3130 else if (ic->ic_txpowlimit > 15)
3131 {
3132 val |= 0x1;
3133 }
3134 else if (ic->ic_txpowlimit > 9)
3135 {
3136 val |= 0x1;
3137 delta -= 3;
3138 }
3139 else
3140 {
3141 val |= 0x2;
3142 }
3143
3144 rt2860_io_bbp_write(sc, 1, val);
3145
3146 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3147 {
3148 if (txpow_rate[i] == 0xffffffff)
3149 continue;
3150
3151 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3152
3153 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3154 }
3155 }
3156
3157 /*
3158 * rt2860_asic_update_promisc
3159 */
3160 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3161 {
3162 struct ifnet *ifp;
3163 uint32_t tmp;
3164
3165 ifp = sc->ifp;
3166
3167 printf("%s: %s promiscuous mode\n",
3168 device_get_nameunit(sc->dev),
3169 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3170
3171 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3172
3173 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3174
3175 if (!(ifp->if_flags & IFF_PROMISC))
3176 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3177
3178 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3179 }
3180
3181 /*
3182 * rt2860_asic_updateprot
3183 */
3184 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3185 {
3186 struct ifnet *ifp;
3187 struct ieee80211com *ic;
3188 struct ieee80211vap *vap;
3189 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3190 uint8_t htopmode;
3191 enum ieee80211_protmode htprotmode;
3192
3193 ifp = sc->ifp;
3194 ic = ifp->if_l2com;
3195 vap = TAILQ_FIRST(&ic->ic_vaps);
3196
3197 /* CCK frame protection */
3198
3199 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3200 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3201
3202 /* set up protection frame phy mode and rate (MCS code) */
3203
3204 if (ic->ic_curmode == IEEE80211_MODE_11A)
3205 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3206 (0 << RT2860_REG_PROT_MCS_SHIFT);
3207 else
3208 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3209 (3 << RT2860_REG_PROT_MCS_SHIFT));
3210
3211 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3212
3213 /* OFDM frame protection */
3214
3215 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3216 RT2860_REG_TXOP_ALLOW_ALL;
3217
3218 if (ic->ic_flags & IEEE80211_F_USEPROT)
3219 {
3220 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3221 "%s: updating protection mode: b/g protection mode=%s\n",
3222 device_get_nameunit(sc->dev),
3223 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3224 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3225
3226 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3227 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3228 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3229 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3230 else
3231 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3232 }
3233 else
3234 {
3235 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3236 "%s: updating protection mode: b/g protection mode=%s\n",
3237 device_get_nameunit(sc->dev), "none");
3238
3239 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3240 }
3241
3242 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3243
3244 /* HT frame protection */
3245
3246 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3247 htopmode = vap->iv_bss->ni_htopmode;
3248 else
3249 htopmode = ic->ic_curhtprotmode;
3250
3251 htprotmode = ic->ic_htprotmode;
3252
3253 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3254
3255 if (sc->tx_ampdu_sessions > 0)
3256 {
3257 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3258 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3259 device_get_nameunit(sc->dev));
3260
3261 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3262 htprotmode = IEEE80211_PROT_RTSCTS;
3263 }
3264
3265 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3266 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3267 device_get_nameunit(sc->dev),
3268 htopmode & IEEE80211_HTINFO_OPMODE,
3269 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3270 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3271
3272 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3273 {
3274 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3275 case IEEE80211_HTINFO_OPMODE_HT20PR:
3276 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3277 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3278 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3279 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3280 (4 << RT2860_REG_PROT_MCS_SHIFT);
3281
3282 gf20_prot = mm20_prot;
3283
3284 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3285 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3286 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3287
3288 if (htprotmode == IEEE80211_PROT_RTSCTS)
3289 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3290 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3291 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3292 else
3293 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3294
3295 gf40_prot = mm40_prot;
3296 break;
3297
3298 /* IEEE80211_HTINFO_OPMODE_MIXED */
3299 case IEEE80211_HTINFO_OPMODE_MIXED:
3300 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3301 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3302 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3303
3304 if (ic->ic_flags & IEEE80211_F_USEPROT)
3305 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3306 (3 << RT2860_REG_PROT_MCS_SHIFT);
3307 else
3308 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3309 (4 << RT2860_REG_PROT_MCS_SHIFT);
3310
3311 if (htprotmode == IEEE80211_PROT_RTSCTS)
3312 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3313 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3314 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3315 else
3316 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3317
3318 gf20_prot = mm20_prot;
3319
3320 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3321
3322 if (ic->ic_flags & IEEE80211_F_USEPROT)
3323 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3324 (3 << RT2860_REG_PROT_MCS_SHIFT);
3325 else
3326 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3327 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3328
3329 if (htprotmode == IEEE80211_PROT_RTSCTS)
3330 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3331 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3332 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3333 else
3334 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3335
3336 gf40_prot = mm40_prot;
3337 break;
3338
3339 /*
3340 * IEEE80211_HTINFO_OPMODE_PURE
3341 * IEEE80211_HTINFO_OPMODE_PROTOPT
3342 */
3343 case IEEE80211_HTINFO_OPMODE_PURE:
3344 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3345 default:
3346 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3347 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3348 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3349 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3350 (4 << RT2860_REG_PROT_MCS_SHIFT);
3351
3352 gf20_prot = mm20_prot;
3353
3354 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3355 RT2860_REG_TXOP_ALLOW_ALL |
3356 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3357 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3358
3359 gf40_prot = mm40_prot;
3360 break;
3361 }
3362
3363 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3364 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3365 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3366 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3367 }
3368
3369 /*
3370 * rt2860_asic_updateslot
3371 */
3372 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3373 {
3374 struct ifnet *ifp;
3375 struct ieee80211com *ic;
3376 struct ieee80211vap *vap;
3377 uint32_t tmp;
3378
3379 ifp = sc->ifp;
3380 ic = ifp->if_l2com;
3381 vap = TAILQ_FIRST(&ic->ic_vaps);
3382
3383 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3384 "%s: %s short slot time\n",
3385 device_get_nameunit(sc->dev),
3386 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3387 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3388
3389 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3390
3391 tmp &= ~0xff;
3392
3393 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3394 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3395 tmp |= IEEE80211_DUR_SHSLOT;
3396 else
3397 tmp |= IEEE80211_DUR_SLOT;
3398
3399 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3400 }
3401
3402 /*
3403 * rt2860_asic_wme_update
3404 */
3405 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3406 {
3407 struct ifnet *ifp;
3408 struct ieee80211com *ic;
3409 struct ieee80211_wme_state *wme;
3410 const struct wmeParams *wmep;
3411 int i;
3412
3413 ifp = sc->ifp;
3414 ic = ifp->if_l2com;
3415 wme = &ic->ic_wme;
3416 wmep = wme->wme_chanParams.cap_wmeParams;
3417
3418 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3419 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3420 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3421 device_get_nameunit(sc->dev),
3422 wmep[WME_AC_VO].wmep_aifsn,
3423 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3424 wmep[WME_AC_VO].wmep_txopLimit,
3425 wmep[WME_AC_VI].wmep_aifsn,
3426 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3427 wmep[WME_AC_VI].wmep_txopLimit,
3428 wmep[WME_AC_BK].wmep_aifsn,
3429 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3430 wmep[WME_AC_BK].wmep_txopLimit,
3431 wmep[WME_AC_BE].wmep_aifsn,
3432 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3433 wmep[WME_AC_BE].wmep_txopLimit);
3434
3435 for (i = 0; i < WME_NUM_AC; i++)
3436 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3437 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3438 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3439
3440 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3441 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3442 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3443
3444 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3445 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3446 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3447
3448 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3449 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3450 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3451
3452 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3453 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3454
3455 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3456 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3457 }
3458
3459 /*
3460 * rt2860_asic_update_beacon
3461 */
3462 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3463 struct ieee80211vap *vap)
3464 {
3465 struct ifnet *ifp;
3466 struct ieee80211com *ic;
3467 struct rt2860_softc_vap *rvap;
3468 const struct ieee80211_txparam *tp;
3469 struct mbuf *m;
3470 struct rt2860_txwi txwi;
3471 uint8_t rate, mcs;
3472 uint32_t tmp;
3473
3474 ifp = sc->ifp;
3475 ic = ifp->if_l2com;
3476 rvap = (struct rt2860_softc_vap *) vap;
3477 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3478
3479 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3480 if (m == NULL)
3481 return ENOMEM;
3482
3483 rate = tp->mgmtrate;
3484 mcs = rt2860_rate2mcs(rate);
3485
3486 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3487
3488 txwi.wcid = 0xff;
3489 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3490 RT2860_TXWI_MPDU_LEN_SHIFT);
3491 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3492 txwi.mpdu_density_flags |=
3493 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3494 txwi.bawin_size_xflags |=
3495 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3496
3497 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3498 {
3499 txwi.phymode_ifs_stbc_shortgi =
3500 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3501
3502 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3503 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3504 }
3505 else
3506 {
3507 txwi.phymode_ifs_stbc_shortgi =
3508 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3509 }
3510
3511 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3512 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3513
3514 /* disable temporarily TSF sync */
3515
3516 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3517
3518 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3519 RT2860_REG_TSF_TIMER_ENABLE |
3520 RT2860_REG_TBTT_TIMER_ENABLE);
3521
3522 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3523
3524 /* write Tx wireless info and beacon frame to on-chip memory */
3525
3526 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3527 &txwi, sizeof(struct rt2860_txwi));
3528
3529 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3530 mtod(m, uint8_t *), m->m_pkthdr.len);
3531
3532 /* enable again TSF sync */
3533
3534 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3535
3536 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3537 RT2860_REG_TSF_TIMER_ENABLE |
3538 RT2860_REG_TBTT_TIMER_ENABLE);
3539
3540 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3541
3542 m_freem(m);
3543
3544 return 0;
3545 }
3546
3547 /*
3548 * rt2860_asic_clear_keytables
3549 */
3550 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3551 {
3552 int i;
3553
3554 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3555
3556 for (i = 0; i < 256; i++)
3557 {
3558 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3559 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3560 }
3561
3562 /* clear WCID attribute table (entries = 256, entry size = 4) */
3563
3564 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3565
3566 /* clear IV/EIV table (entries = 256, entry size = 8) */
3567
3568 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3569
3570 /* clear pairwise key table (entries = 256, entry size = 32) */
3571
3572 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3573
3574 /* clear shared key table (entries = 32, entry size = 32) */
3575
3576 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3577
3578 /* clear shared key mode (entries = 32, entry size = 2) */
3579
3580 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3581 }
3582
3583 /*
3584 * rt2860_rxrate
3585 */
3586 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3587 {
3588 uint8_t mcs, phymode;
3589 uint8_t rate;
3590
3591 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3592 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3593 RT2860_RXWI_PHYMODE_MASK;
3594
3595 rate = 2;
3596
3597 switch (phymode)
3598 {
3599 case RT2860_RXWI_PHYMODE_CCK:
3600 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3601 {
3602 case 0: rate = 2; break; /* 1 Mbps */
3603 case 1: rate = 4; break; /* 2 MBps */
3604 case 2: rate = 11; break; /* 5.5 Mbps */
3605 case 3: rate = 22; break; /* 11 Mbps */
3606 }
3607 break;
3608
3609 case RT2860_RXWI_PHYMODE_OFDM:
3610 switch (mcs)
3611 {
3612 case 0: rate = 12; break; /* 6 Mbps */
3613 case 1: rate = 18; break; /* 9 Mbps */
3614 case 2: rate = 24; break; /* 12 Mbps */
3615 case 3: rate = 36; break; /* 18 Mbps */
3616 case 4: rate = 48; break; /* 24 Mbps */
3617 case 5: rate = 72; break; /* 36 Mbps */
3618 case 6: rate = 96; break; /* 48 Mbps */
3619 case 7: rate = 108; break; /* 54 Mbps */
3620 }
3621 break;
3622
3623 case RT2860_RXWI_PHYMODE_HT_MIXED:
3624 case RT2860_RXWI_PHYMODE_HT_GF:
3625 break;
3626 }
3627
3628 return rate;
3629 }
3630
3631 /*
3632 * rt2860_maxrssi_rxpath
3633 */
3634 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3635 const struct rt2860_rxwi *rxwi)
3636 {
3637 uint8_t rxpath;
3638
3639 rxpath = 0;
3640
3641 if (sc->nrxpath > 1)
3642 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3643 rxpath = 1;
3644
3645 if (sc->nrxpath > 2)
3646 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3647 rxpath = 2;
3648
3649 return rxpath;
3650 }
3651
3652 /*
3653 * rt2860_rssi2dbm
3654 */
3655 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3656 uint8_t rssi, uint8_t rxpath)
3657 {
3658 struct ifnet *ifp;
3659 struct ieee80211com *ic;
3660 struct ieee80211_channel *c;
3661 int chan;
3662 int8_t rssi_off, lna_gain;
3663
3664 if (rssi == 0)
3665 return -99;
3666
3667 ifp = sc->ifp;
3668 ic = ifp->if_l2com;
3669 c = ic->ic_curchan;
3670 chan = ieee80211_chan2ieee(ic, c);
3671
3672 if (IEEE80211_IS_CHAN_5GHZ(c))
3673 {
3674 rssi_off = sc->rssi_off_5ghz[rxpath];
3675
3676 if (chan <= 64)
3677 lna_gain = sc->lna_gain[1];
3678 else if (chan <= 128)
3679 lna_gain = sc->lna_gain[2];
3680 else
3681 lna_gain = sc->lna_gain[3];
3682 }
3683 else
3684 {
3685 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3686 lna_gain = sc->lna_gain[0];
3687 }
3688
3689 return (-12 - rssi_off - lna_gain - rssi);
3690 }
3691
3692 /*
3693 * rt2860_rate2mcs
3694 */
3695 static uint8_t rt2860_rate2mcs(uint8_t rate)
3696 {
3697 switch (rate)
3698 {
3699 /* CCK rates */
3700 case 2: return 0;
3701 case 4: return 1;
3702 case 11: return 2;
3703 case 22: return 3;
3704
3705 /* OFDM rates */
3706 case 12: return 0;
3707 case 18: return 1;
3708 case 24: return 2;
3709 case 36: return 3;
3710 case 48: return 4;
3711 case 72: return 5;
3712 case 96: return 6;
3713 case 108: return 7;
3714 }
3715
3716 return 0;
3717 }
3718
3719 /*
3720 * rt2860_tx_mgmt
3721 */
3722 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3723 struct mbuf *m, struct ieee80211_node *ni, int qid)
3724 {
3725 struct ifnet *ifp;
3726 struct ieee80211com *ic;
3727 struct ieee80211vap *vap;
3728 const struct ieee80211_txparam *tp;
3729 struct rt2860_softc_node *rni;
3730 struct rt2860_softc_tx_ring *ring;
3731 struct rt2860_softc_tx_data *data;
3732 struct rt2860_txdesc *desc;
3733 struct rt2860_txwi *txwi;
3734 struct ieee80211_frame *wh;
3735 struct rt2860_softc_tx_radiotap_header *tap;
3736 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3737 u_int hdrsize, hdrspace;
3738 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3739 uint16_t len, dmalen, mpdu_len, dur;
3740 int error, ndmasegs, ndescs, i, j;
3741
3742 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3743 ("%s: Tx MGMT: invalid qid=%d\n",
3744 device_get_nameunit(sc->dev), qid));
3745
3746 ifp = sc->ifp;
3747 ic = ifp->if_l2com;
3748 vap = ni->ni_vap;
3749 rni = (struct rt2860_softc_node *) ni;
3750 tp = ni->ni_txparms;
3751
3752 ring = &sc->tx_ring[qid];
3753 desc = &ring->desc[ring->desc_cur];
3754 data = &ring->data[ring->data_cur];
3755 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3756
3757 wh = mtod(m, struct ieee80211_frame *);
3758
3759 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3760
3761 /* fill Tx wireless info */
3762
3763 if (ni->ni_flags & IEEE80211_NODE_HT)
3764 mcs = rate;
3765 else
3766 mcs = rt2860_rate2mcs(rate);
3767
3768 /* calculate MPDU length without padding */
3769
3770 hdrsize = ieee80211_hdrsize(wh);
3771 hdrspace = ieee80211_hdrspace(ic, wh);
3772 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3773
3774 memset(txwi, 0, sizeof(struct rt2860_txwi));
3775
3776 /* management frames do not need encryption */
3777
3778 txwi->wcid = 0xff;
3779
3780 /* MIMO power save */
3781
3782 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
3783 {
3784 if (mcs > 7)
3785 {
3786 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
3787 {
3788 /* dynamic MIMO power save */
3789
3790 txwi->mpdu_density_flags |=
3791 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
3792 }
3793 else
3794 {
3795 /* static MIMO power save */
3796
3797 mcs = 7;
3798 }
3799 }
3800 }
3801
3802 pid = mcs;
3803
3804 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3805 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3806 RT2860_TXWI_MPDU_LEN_SHIFT);
3807
3808 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
3809 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
3810
3811 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3812 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
3813
3814 txwi->phymode_ifs_stbc_shortgi |=
3815 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3816 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3817
3818 if (ni->ni_flags & IEEE80211_NODE_HT)
3819 {
3820 txwi->phymode_ifs_stbc_shortgi |=
3821 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3822 }
3823 else
3824 {
3825 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3826 {
3827 txwi->phymode_ifs_stbc_shortgi |=
3828 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3829
3830 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3831 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3832 }
3833 else
3834 {
3835 txwi->phymode_ifs_stbc_shortgi |=
3836 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3837 }
3838 }
3839
3840 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3841 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3842
3843 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3844
3845 /* skip ACKs for multicast frames */
3846
3847 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
3848 {
3849 txwi->bawin_size_xflags |=
3850 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3851
3852 if (ni->ni_flags & IEEE80211_NODE_HT)
3853 {
3854 /* preamble + plcp + signal extension + SIFS */
3855
3856 dur = 16 + 4 + 6 + 10;
3857 }
3858 else
3859 {
3860 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3861 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3862 }
3863
3864 *(uint16_t *) wh->i_dur = htole16(dur);
3865 }
3866
3867 /* ask MAC to insert timestamp into probe responses */
3868
3869 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3870 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3871 txwi->mpdu_density_flags |=
3872 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3873
3874 if (ieee80211_radiotap_active_vap(vap))
3875 {
3876 tap = &sc->txtap;
3877
3878 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3879 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3880 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3881 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3882 tap->chan_maxpow = 0;
3883
3884 if (ni->ni_flags & IEEE80211_NODE_HT)
3885 tap->rate = mcs | IEEE80211_RATE_MCS;
3886 else
3887 tap->rate = rate;
3888
3889 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3890 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3891
3892 if (shortgi)
3893 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3894
3895 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3896 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3897
3898 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3899 {
3900 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3901
3902 ieee80211_radiotap_tx(vap, m);
3903
3904 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3905 }
3906 else
3907 {
3908 ieee80211_radiotap_tx(vap, m);
3909 }
3910 }
3911
3912 /* copy and trim 802.11 header */
3913
3914 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3915 m_adj(m, hdrspace);
3916
3917 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3918 dma_seg, &ndmasegs, 0);
3919 if (error != 0)
3920 {
3921 /* too many fragments, linearize */
3922
3923 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3924 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
3925 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3926
3927 m = m_defrag(m, M_DONTWAIT);
3928 if (m == NULL)
3929 return ENOMEM;
3930
3931 sc->tx_defrag_packets++;
3932
3933 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3934 dma_seg, &ndmasegs, 0);
3935 if (error != 0)
3936 {
3937 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
3938 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3939 m_freem(m);
3940 return error;
3941 }
3942 }
3943
3944 if (m->m_pkthdr.len == 0)
3945 ndmasegs = 0;
3946
3947 /* determine how many Tx descs are required */
3948
3949 ndescs = 1 + ndmasegs / 2;
3950 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3951 {
3952 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3953 "%s: there are not enough Tx descs\n",
3954 device_get_nameunit(sc->dev));
3955
3956 sc->no_tx_desc_avail++;
3957
3958 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3959 m_freem(m);
3960 return EFBIG;
3961 }
3962
3963 data->m = m;
3964 data->ni = ni;
3965
3966 /* set up Tx descs */
3967
3968 /* first segment is Tx wireless info and 802.11 header */
3969
3970 len = sizeof(struct rt2860_txwi) + hdrsize;
3971
3972 /* align end on a 4-bytes boundary */
3973
3974 dmalen = (len + 3) & ~ 3;
3975
3976 memset((caddr_t) txwi + len, 0, dmalen - len);
3977
3978 qsel = RT2860_TXDESC_QSEL_EDCA;
3979
3980 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3981 desc->sdl0 = htole16(dmalen);
3982 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3983
3984 /* set up payload segments */
3985
3986 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3987 {
3988 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3989 desc->sdl1 = htole16(dma_seg[j].ds_len);
3990
3991 ring->desc_queued++;
3992 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3993
3994 j++;
3995
3996 desc = &ring->desc[ring->desc_cur];
3997
3998 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3999 desc->sdl0 = htole16(dma_seg[j].ds_len);
4000 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4001
4002 j++;
4003 }
4004
4005 /* finalize last payload segment */
4006
4007 if (i > 0)
4008 {
4009 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4010 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4011 }
4012 else
4013 {
4014 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4015 desc->sdl1 = 0;
4016 }
4017
4018 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4019 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4020 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4021 device_get_nameunit(sc->dev),
4022 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4023 stbc, shortgi, mcs, dmalen, ndmasegs,
4024 (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);
4025
4026 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4027 BUS_DMASYNC_PREWRITE);
4028 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4029 BUS_DMASYNC_PREWRITE);
4030 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4031 BUS_DMASYNC_PREWRITE);
4032
4033 ring->desc_queued++;
4034 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4035
4036 ring->data_queued++;
4037 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4038
4039 /* kick Tx */
4040
4041 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4042
4043 return 0;
4044 }
4045
4046 /*
4047 * rt2860_tx_data
4048 */
4049 static int rt2860_tx_data(struct rt2860_softc *sc,
4050 struct mbuf *m, struct ieee80211_node *ni, int qid)
4051 {
4052 struct ifnet *ifp;
4053 struct ieee80211com *ic;
4054 struct ieee80211vap *vap;
4055 const struct ieee80211_txparam *tp;
4056 struct rt2860_softc_node *rni;
4057 struct rt2860_softc_tx_ring *ring;
4058 struct rt2860_softc_tx_data *data;
4059 struct rt2860_txdesc *desc;
4060 struct rt2860_txwi *txwi;
4061 struct ieee80211_frame *wh;
4062 struct ieee80211_tx_ampdu *tx_ampdu;
4063 ieee80211_seq seqno;
4064 struct rt2860_softc_tx_radiotap_header *tap;
4065 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4066 u_int hdrsize, hdrspace;
4067 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4068 uint16_t qos, len, dmalen, mpdu_len, dur;
4069 int error, hasqos, ac, tid, ampdu, ndmasegs, ndescs, i, j;
4070
4071 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4072 ("%s: Tx data: invalid qid=%d\n",
4073 device_get_nameunit(sc->dev), qid));
4074
4075 ifp = sc->ifp;
4076 ic = ifp->if_l2com;
4077 vap = ni->ni_vap;
4078 rni = (struct rt2860_softc_node *) ni;
4079 tp = ni->ni_txparms;
4080
4081 ring = &sc->tx_ring[qid];
4082 desc = &ring->desc[ring->desc_cur];
4083 data = &ring->data[ring->data_cur];
4084 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4085
4086 wh = mtod(m, struct ieee80211_frame *);
4087
4088 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4089
4090 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4091 if (hasqos)
4092 {
4093 if (IEEE80211_HAS_ADDR4(wh))
4094 qos = le16toh(*(const uint16_t *)
4095 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4096 else
4097 qos = le16toh(*(const uint16_t *)
4098 (((struct ieee80211_qosframe *) wh)->i_qos));
4099 }
4100 else
4101 {
4102 qos = 0;
4103 }
4104
4105 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4106 rate = tp->mcastrate;
4107 else if (m->m_flags & M_EAPOL)
4108 rate = tp->mgmtrate;
4109 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4110 rate = tp->ucastrate;
4111 else
4112 rate = ni->ni_txrate;
4113
4114 rate &= IEEE80211_RATE_VAL;
4115
4116 /* fill Tx wireless info */
4117
4118 if (ni->ni_flags & IEEE80211_NODE_HT)
4119 mcs = rate;
4120 else
4121 mcs = rt2860_rate2mcs(rate);
4122
4123 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4124 RT2860_AID2WCID(ni->ni_associd) : 0xff;
4125
4126 /* calculate MPDU length without padding */
4127
4128 hdrsize = ieee80211_hdrsize(wh);
4129 hdrspace = ieee80211_hdrspace(ic, wh);
4130 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4131
4132 memset(txwi, 0, sizeof(struct rt2860_txwi));
4133
4134 txwi->wcid = wcid;
4135
4136 /* MIMO power save */
4137
4138 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4139 {
4140 if (mcs > 7)
4141 {
4142 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4143 {
4144 /* dynamic MIMO power save */
4145
4146 txwi->mpdu_density_flags |=
4147 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4148 }
4149 else
4150 {
4151 /* static MIMO power save */
4152
4153 mcs = 7;
4154 }
4155 }
4156 }
4157
4158 pid = mcs;
4159
4160 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4161 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4162 RT2860_TXWI_MPDU_LEN_SHIFT);
4163
4164 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4165 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4166
4167 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4168 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4169
4170 txwi->phymode_ifs_stbc_shortgi |=
4171 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4172 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4173
4174 if (ni->ni_flags & IEEE80211_NODE_HT)
4175 {
4176 txwi->phymode_ifs_stbc_shortgi |=
4177 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4178 }
4179 else
4180 {
4181 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4182 {
4183 txwi->phymode_ifs_stbc_shortgi |=
4184 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4185
4186 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4187 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4188 }
4189 else
4190 {
4191 txwi->phymode_ifs_stbc_shortgi |=
4192 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4193 }
4194 }
4195
4196 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4197 bw = RT2860_TXWI_BW_40;
4198 else
4199 bw = RT2860_TXWI_BW_20;
4200
4201 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4202 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4203
4204 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4205
4206 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4207 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4208 {
4209 txwi->bawin_size_xflags |=
4210 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4211
4212 if (ni->ni_flags & IEEE80211_NODE_HT)
4213 {
4214 /* preamble + plcp + signal extension + SIFS */
4215
4216 dur = 16 + 4 + 6 + 10;
4217 }
4218 else
4219 {
4220 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4221 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4222 }
4223
4224 *(uint16_t *) wh->i_dur = htole16(dur);
4225 }
4226
4227 /* check for A-MPDU */
4228
4229 if (m->m_flags & M_AMPDU_MPDU)
4230 {
4231 ac = M_WME_GETAC(m);
4232 tid = WME_AC_TO_TID(ac);
4233 tx_ampdu = &ni->ni_tx_ampdu[ac];
4234
4235 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4236 bawin_size = tx_ampdu->txa_wnd;
4237
4238 txwi->mpdu_density_flags |=
4239 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4240 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4241
4242 txwi->bawin_size_xflags |=
4243 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4244
4245 seqno = ni->ni_txseqs[tid]++;
4246
4247 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4248
4249 ampdu = 1;
4250 }
4251 else
4252 {
4253 ampdu = 0;
4254 }
4255
4256 /* ask MAC to insert timestamp into probe responses */
4257
4258 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4259 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4260 txwi->mpdu_density_flags |=
4261 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4262
4263 if (ieee80211_radiotap_active_vap(vap))
4264 {
4265 tap = &sc->txtap;
4266
4267 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4268 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4269 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4270 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4271 tap->chan_maxpow = 0;
4272
4273 if (ni->ni_flags & IEEE80211_NODE_HT)
4274 tap->rate = mcs | IEEE80211_RATE_MCS;
4275 else
4276 tap->rate = rate;
4277
4278 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4279 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4280
4281 if (shortgi)
4282 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4283
4284 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4285 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4286
4287 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4288 {
4289 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4290
4291 ieee80211_radiotap_tx(vap, m);
4292
4293 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4294 }
4295 else
4296 {
4297 ieee80211_radiotap_tx(vap, m);
4298 }
4299 }
4300
4301 /* copy and trim 802.11 header */
4302
4303 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4304 m_adj(m, hdrspace);
4305
4306 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4307 dma_seg, &ndmasegs, 0);
4308 if (error != 0)
4309 {
4310 /* too many fragments, linearize */
4311
4312 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4313 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4314 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4315
4316 m = m_defrag(m, M_DONTWAIT);
4317 if (m == NULL)
4318 return ENOMEM;
4319
4320 sc->tx_defrag_packets++;
4321
4322 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4323 dma_seg, &ndmasegs, 0);
4324 if (error != 0)
4325 {
4326 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4327 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4328 m_freem(m);
4329 return error;
4330 }
4331 }
4332
4333 if (m->m_pkthdr.len == 0)
4334 ndmasegs = 0;
4335
4336 /* determine how many Tx descs are required */
4337
4338 ndescs = 1 + ndmasegs / 2;
4339 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4340 {
4341 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4342 "%s: there are not enough Tx descs\n",
4343 device_get_nameunit(sc->dev));
4344
4345 sc->no_tx_desc_avail++;
4346
4347 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4348 m_freem(m);
4349 return EFBIG;
4350 }
4351
4352 data->m = m;
4353 data->ni = ni;
4354
4355 /* set up Tx descs */
4356
4357 /* first segment is Tx wireless info and 802.11 header */
4358
4359 len = sizeof(struct rt2860_txwi) + hdrsize;
4360
4361 /* align end on a 4-bytes boundary */
4362
4363 dmalen = (len + 3) & ~ 3;
4364
4365 memset((caddr_t) txwi + len, 0, dmalen - len);
4366
4367 qsel = RT2860_TXDESC_QSEL_EDCA;
4368
4369 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4370 desc->sdl0 = htole16(dmalen);
4371 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4372
4373 /* set up payload segments */
4374
4375 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4376 {
4377 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4378 desc->sdl1 = htole16(dma_seg[j].ds_len);
4379
4380 ring->desc_queued++;
4381 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4382
4383 j++;
4384
4385 desc = &ring->desc[ring->desc_cur];
4386
4387 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4388 desc->sdl0 = htole16(dma_seg[j].ds_len);
4389 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4390
4391 j++;
4392 }
4393
4394 /* finalize last payload segment */
4395
4396 if (i > 0)
4397 {
4398 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4399 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4400 }
4401 else
4402 {
4403 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4404 desc->sdl1 = 0;
4405 }
4406
4407 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4408 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4409 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4410 device_get_nameunit(sc->dev),
4411 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4412 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
4413 (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);
4414
4415 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4416 BUS_DMASYNC_PREWRITE);
4417 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4418 BUS_DMASYNC_PREWRITE);
4419 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4420 BUS_DMASYNC_PREWRITE);
4421
4422 ring->desc_queued++;
4423 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4424
4425 ring->data_queued++;
4426 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4427
4428 /* kick Tx */
4429
4430 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4431
4432 return 0;
4433 }
4434
4435 /*
4436 * rt2860_tx_raw
4437 */
4438 static int rt2860_tx_raw(struct rt2860_softc *sc,
4439 struct mbuf *m, struct ieee80211_node *ni,
4440 const struct ieee80211_bpf_params *params)
4441 {
4442 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4443 "%s: Tx raw\n",
4444 device_get_nameunit(sc->dev));
4445
4446 return 0;
4447 }
4448
4449 /*
4450 * rt2860_intr
4451 */
4452 static void rt2860_intr(void *arg)
4453 {
4454 struct rt2860_softc *sc;
4455 struct ifnet *ifp;
4456 uint32_t status;
4457
4458 sc = arg;
4459 ifp = sc->ifp;
4460
4461 /* acknowledge interrupts */
4462
4463 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4464 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4465
4466 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4467 "%s: interrupt: status = 0x%08x\n",
4468 device_get_nameunit(sc->dev), status);
4469
4470 if (status == 0xffffffff || /* device likely went away */
4471 status == 0) /* not for us */
4472 return;
4473
4474 sc->interrupts++;
4475
4476 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4477 return;
4478
4479 if (status & RT2860_REG_INT_TX_COHERENT)
4480 rt2860_tx_coherent_intr(sc);
4481
4482 if (status & RT2860_REG_INT_RX_COHERENT)
4483 rt2860_rx_coherent_intr(sc);
4484
4485 if (status & RT2860_REG_INT_TXRX_COHERENT)
4486 rt2860_txrx_coherent_intr(sc);
4487
4488 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4489 rt2860_fifo_sta_full_intr(sc);
4490
4491 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4492 rt2860_tx_intr(sc, 5);
4493
4494 if (status & RT2860_REG_INT_RX_DONE)
4495 rt2860_rx_intr(sc);
4496
4497 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4498 rt2860_rx_delay_intr(sc);
4499
4500 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4501 rt2860_tx_intr(sc, 4);
4502
4503 if (status & RT2860_REG_INT_TX_AC3_DONE)
4504 rt2860_tx_intr(sc, 3);
4505
4506 if (status & RT2860_REG_INT_TX_AC2_DONE)
4507 rt2860_tx_intr(sc, 2);
4508
4509 if (status & RT2860_REG_INT_TX_AC1_DONE)
4510 rt2860_tx_intr(sc, 1);
4511
4512 if (status & RT2860_REG_INT_TX_AC0_DONE)
4513 rt2860_tx_intr(sc, 0);
4514
4515 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4516 rt2860_tx_delay_intr(sc);
4517
4518 if (status & RT2860_REG_INT_PRE_TBTT)
4519 rt2860_pre_tbtt_intr(sc);
4520
4521 if (status & RT2860_REG_INT_TBTT)
4522 rt2860_tbtt_intr(sc);
4523
4524 if (status & RT2860_REG_INT_MCU_CMD)
4525 rt2860_mcu_cmd_intr(sc);
4526
4527 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4528 rt2860_auto_wakeup_intr(sc);
4529
4530 if (status & RT2860_REG_INT_GP_TIMER)
4531 rt2860_gp_timer_intr(sc);
4532 }
4533
4534 /*
4535 * rt2860_tx_coherent_intr
4536 */
4537 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4538 {
4539 uint32_t tmp;
4540 int i;
4541
4542 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4543 "%s: Tx coherent interrupt\n",
4544 device_get_nameunit(sc->dev));
4545
4546 sc->tx_coherent_interrupts++;
4547
4548 /* restart DMA engine */
4549
4550 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4551
4552 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4553 RT2860_REG_RX_DMA_ENABLE |
4554 RT2860_REG_TX_DMA_ENABLE);
4555
4556 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4557
4558 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4559
4560 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4561 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4562
4563 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4564 {
4565 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4566 sc->tx_ring[i].desc_phys_addr);
4567 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4568 RT2860_SOFTC_TX_RING_DESC_COUNT);
4569 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4570 }
4571
4572 /* init Rx ring */
4573
4574 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4575
4576 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4577 sc->rx_ring.desc_phys_addr);
4578 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4579 RT2860_SOFTC_RX_RING_DATA_COUNT);
4580 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4581 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4582
4583 rt2860_txrx_enable(sc);
4584 }
4585
4586 /*
4587 * rt2860_rx_coherent_intr
4588 */
4589 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4590 {
4591 uint32_t tmp;
4592 int i;
4593
4594 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4595 "%s: Rx coherent interrupt\n",
4596 device_get_nameunit(sc->dev));
4597
4598 sc->rx_coherent_interrupts++;
4599
4600 /* restart DMA engine */
4601
4602 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4603
4604 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4605 RT2860_REG_RX_DMA_ENABLE |
4606 RT2860_REG_TX_DMA_ENABLE);
4607
4608 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4609
4610 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4611
4612 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4613 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4614
4615 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4616 {
4617 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4618 sc->tx_ring[i].desc_phys_addr);
4619 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4620 RT2860_SOFTC_TX_RING_DESC_COUNT);
4621 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4622 }
4623
4624 /* init Rx ring */
4625
4626 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4627
4628 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4629 sc->rx_ring.desc_phys_addr);
4630 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4631 RT2860_SOFTC_RX_RING_DATA_COUNT);
4632 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4633 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4634
4635 rt2860_txrx_enable(sc);
4636 }
4637
4638 /*
4639 * rt2860_txrx_coherent_intr
4640 */
4641 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4642 {
4643 uint32_t tmp;
4644 int i;
4645
4646 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4647 "%s: Tx/Rx coherent interrupt\n",
4648 device_get_nameunit(sc->dev));
4649
4650 sc->txrx_coherent_interrupts++;
4651
4652 /* restart DMA engine */
4653
4654 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4655
4656 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4657 RT2860_REG_RX_DMA_ENABLE |
4658 RT2860_REG_TX_DMA_ENABLE);
4659
4660 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4661
4662 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4663
4664 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4665 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4666
4667 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4668 {
4669 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4670 sc->tx_ring[i].desc_phys_addr);
4671 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4672 RT2860_SOFTC_TX_RING_DESC_COUNT);
4673 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4674 }
4675
4676 /* init Rx ring */
4677
4678 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4679
4680 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4681 sc->rx_ring.desc_phys_addr);
4682 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4683 RT2860_SOFTC_RX_RING_DATA_COUNT);
4684 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4685 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4686
4687 rt2860_txrx_enable(sc);
4688 }
4689
4690 /*
4691 * rt2860_fifo_sta_full_intr
4692 */
4693 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4694 {
4695 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4696 "%s: FIFO statistic full interrupt\n",
4697 device_get_nameunit(sc->dev));
4698
4699 sc->fifo_sta_full_interrupts++;
4700
4701 RT2860_SOFTC_LOCK(sc);
4702
4703 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4704 {
4705 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4706
4707 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4708 }
4709
4710 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4711
4712 RT2860_SOFTC_UNLOCK(sc);
4713 }
4714
4715 /*
4716 * rt2860_rx_intr
4717 */
4718 static void rt2860_rx_intr(struct rt2860_softc *sc)
4719 {
4720 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4721 "%s: Rx interrupt\n",
4722 device_get_nameunit(sc->dev));
4723
4724 sc->rx_interrupts++;
4725
4726 RT2860_SOFTC_LOCK(sc);
4727
4728 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4729 {
4730 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4731
4732 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4733 }
4734
4735 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4736
4737 RT2860_SOFTC_UNLOCK(sc);
4738 }
4739
4740 /*
4741 * rt2860_rx_delay_intr
4742 */
4743 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4744 {
4745 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4746 "%s: Rx delay interrupt\n",
4747 device_get_nameunit(sc->dev));
4748
4749 sc->rx_delay_interrupts++;
4750 }
4751
4752 /*
4753 * rt2860_tx_intr
4754 */
4755 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4756 {
4757 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4758 ("%s: Tx interrupt: invalid qid=%d\n",
4759 device_get_nameunit(sc->dev), qid));
4760
4761 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4762 "%s: Tx interrupt: qid=%d\n",
4763 device_get_nameunit(sc->dev), qid);
4764
4765 sc->tx_interrupts[qid]++;
4766
4767 RT2860_SOFTC_LOCK(sc);
4768
4769 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4770 {
4771 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4772
4773 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4774 }
4775
4776 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4777
4778 RT2860_SOFTC_UNLOCK(sc);
4779 }
4780
4781 /*
4782 * rt2860_tx_delay_intr
4783 */
4784 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4785 {
4786 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4787 "%s: Tx delay interrupt\n",
4788 device_get_nameunit(sc->dev));
4789
4790 sc->tx_delay_interrupts++;
4791 }
4792
4793 /*
4794 * rt2860_pre_tbtt_intr
4795 */
4796 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4797 {
4798 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4799 "%s: Pre-TBTT interrupt\n",
4800 device_get_nameunit(sc->dev));
4801
4802 sc->pre_tbtt_interrupts++;
4803 }
4804
4805 /*
4806 * rt2860_tbtt_intr
4807 */
4808 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4809 {
4810 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4811 "%s: TBTT interrupt\n",
4812 device_get_nameunit(sc->dev));
4813
4814 sc->tbtt_interrupts++;
4815 }
4816
4817 /*
4818 * rt2860_mcu_cmd_intr
4819 */
4820 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4821 {
4822 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4823 "%s: MCU command interrupt\n",
4824 device_get_nameunit(sc->dev));
4825
4826 sc->mcu_cmd_interrupts++;
4827 }
4828
4829 /*
4830 * rt2860_auto_wakeup_intr
4831 */
4832 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4833 {
4834 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4835 "%s: auto wakeup interrupt\n",
4836 device_get_nameunit(sc->dev));
4837
4838 sc->auto_wakeup_interrupts++;
4839 }
4840
4841 /*
4842 * rt2860_gp_timer_intr
4843 */
4844 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4845 {
4846 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4847 "%s: GP timer interrupt\n",
4848 device_get_nameunit(sc->dev));
4849
4850 sc->gp_timer_interrupts++;
4851 }
4852
4853 /*
4854 * rt2860_rx_done_task
4855 */
4856 static void rt2860_rx_done_task(void *context, int pending)
4857 {
4858 struct rt2860_softc *sc;
4859 struct ifnet *ifp;
4860 int again;
4861
4862 sc = context;
4863 ifp = sc->ifp;
4864
4865 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4866 "%s: Rx done task\n",
4867 device_get_nameunit(sc->dev));
4868
4869 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4870 return;
4871
4872 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4873
4874 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4875
4876 RT2860_SOFTC_LOCK(sc);
4877
4878 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4879 {
4880 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4881 "%s: Rx done task: scheduling again\n",
4882 device_get_nameunit(sc->dev));
4883
4884 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4885 }
4886 else
4887 {
4888 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4889 }
4890
4891 RT2860_SOFTC_UNLOCK(sc);
4892 }
4893
4894 /*
4895 * rt2860_tx_done_task
4896 */
4897 static void rt2860_tx_done_task(void *context, int pending)
4898 {
4899 struct rt2860_softc *sc;
4900 struct ifnet *ifp;
4901 uint32_t intr_mask;
4902 int i;
4903
4904 sc = context;
4905 ifp = sc->ifp;
4906
4907 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4908 "%s: Tx done task\n",
4909 device_get_nameunit(sc->dev));
4910
4911 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4912 return;
4913
4914 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4915 {
4916 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4917 {
4918 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4919
4920 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4921 }
4922 }
4923
4924 sc->tx_timer = 0;
4925
4926 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4927
4928 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4929 RT2860_REG_INT_TX_HCCA_DONE |
4930 RT2860_REG_INT_TX_AC3_DONE |
4931 RT2860_REG_INT_TX_AC2_DONE |
4932 RT2860_REG_INT_TX_AC1_DONE |
4933 RT2860_REG_INT_TX_AC0_DONE);
4934
4935 RT2860_SOFTC_LOCK(sc);
4936
4937 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4938 (sc->intr_disable_mask & intr_mask));
4939
4940 if (sc->intr_pending_mask & intr_mask)
4941 {
4942 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4943 "%s: Tx done task: scheduling again\n",
4944 device_get_nameunit(sc->dev));
4945
4946 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4947 }
4948
4949 RT2860_SOFTC_UNLOCK(sc);
4950 }
4951
4952 /*
4953 * rt2860_fifo_sta_full_task
4954 */
4955 static void rt2860_fifo_sta_full_task(void *context, int pending)
4956 {
4957 struct rt2860_softc *sc;
4958 struct ifnet *ifp;
4959
4960 sc = context;
4961 ifp = sc->ifp;
4962
4963 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4964 "%s: FIFO statistic full task\n",
4965 device_get_nameunit(sc->dev));
4966
4967 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4968 return;
4969
4970 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4971
4972 rt2860_drain_fifo_stats(sc);
4973
4974 RT2860_SOFTC_LOCK(sc);
4975
4976 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4977 {
4978 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4979 "%s: FIFO statistic full task: scheduling again\n",
4980 device_get_nameunit(sc->dev));
4981
4982 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4983 }
4984 else
4985 {
4986 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4987 }
4988
4989 RT2860_SOFTC_UNLOCK(sc);
4990 }
4991
4992 /*
4993 * rt2860_periodic_task
4994 */
4995 static void rt2860_periodic_task(void *context, int pending)
4996 {
4997 struct rt2860_softc *sc;
4998 struct ifnet *ifp;
4999 struct ieee80211com *ic;
5000 struct ieee80211vap *vap;
5001
5002 sc = context;
5003 ifp = sc->ifp;
5004 ic = ifp->if_l2com;
5005 vap = TAILQ_FIRST(&ic->ic_vaps);
5006
5007 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5008 "%s: periodic task: round=%lu\n",
5009 device_get_nameunit(sc->dev), sc->periodic_round);
5010
5011 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5012 return;
5013
5014 RT2860_SOFTC_LOCK(sc);
5015
5016 sc->periodic_round++;
5017
5018 rt2860_update_stats(sc);
5019
5020 if ((sc->periodic_round % 10) == 0)
5021 {
5022 rt2860_bbp_tuning(sc);
5023
5024 rt2860_update_raw_counters(sc);
5025
5026 rt2860_watchdog(sc);
5027
5028 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5029 {
5030 if (vap->iv_opmode == IEEE80211_M_STA)
5031 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5032 else
5033 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5034 }
5035 }
5036
5037 RT2860_SOFTC_UNLOCK(sc);
5038
5039 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5040 }
5041
5042 /*
5043 * rt2860_rx_eof
5044 */
5045 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5046 {
5047 struct ifnet *ifp;
5048 struct ieee80211com *ic;
5049 struct ieee80211_frame *wh;
5050 struct ieee80211_node *ni;
5051 struct rt2860_softc_node *rni;
5052 struct rt2860_softc_rx_radiotap_header *tap;
5053 struct rt2860_softc_rx_ring *ring;
5054 struct rt2860_rxdesc *desc;
5055 struct rt2860_softc_rx_data *data;
5056 struct rt2860_rxwi *rxwi;
5057 struct mbuf *m, *mnew;
5058 bus_dma_segment_t segs[1];
5059 bus_dmamap_t dma_map;
5060 uint32_t index, desc_flags;
5061 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
5062 int8_t rssi_dbm;
5063 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5064
5065 ifp = sc->ifp;
5066 ic = ifp->if_l2com;
5067 ring = &sc->rx_ring;
5068
5069 nframes = 0;
5070
5071 while (limit != 0)
5072 {
5073 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5074 if (ring->cur == index)
5075 break;
5076
5077 desc = &ring->desc[ring->cur];
5078 desc_flags = le32toh(desc->flags);
5079 data = &ring->data[ring->cur];
5080
5081 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5082 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5083
5084 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5085 break;
5086
5087 nframes++;
5088
5089 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5090 if (mnew == NULL)
5091 {
5092 sc->rx_mbuf_alloc_errors++;
5093 ifp->if_ierrors++;
5094 goto skip;
5095 }
5096
5097 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5098
5099 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5100 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5101 if (error != 0)
5102 {
5103 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5104 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5105 device_get_nameunit(sc->dev), error, nsegs);
5106
5107 m_freem(mnew);
5108
5109 sc->rx_mbuf_dmamap_errors++;
5110 ifp->if_ierrors++;
5111
5112 goto skip;
5113 }
5114
5115 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5116 device_get_nameunit(sc->dev)));
5117
5118 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5119 BUS_DMASYNC_POSTREAD);
5120 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5121
5122 dma_map = data->dma_map;
5123 data->dma_map = ring->spare_dma_map;
5124 ring->spare_dma_map = dma_map;
5125
5126 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5127 BUS_DMASYNC_PREREAD);
5128
5129 m = data->m;
5130
5131 data->m = mnew;
5132 desc->sdp0 = htole32(segs[0].ds_addr);
5133
5134 /* get Rx wireless info */
5135
5136 rxwi = mtod(m, struct rt2860_rxwi *);
5137 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5138 RT2860_RXWI_SIZE_MASK;
5139
5140 /* check for L2 padding between IEEE 802.11 frame header and body */
5141
5142 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5143 {
5144 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5145 "%s: L2 padding: len=%d\n",
5146 device_get_nameunit(sc->dev), len);
5147
5148 len += 2;
5149 }
5150
5151 m->m_pkthdr.rcvif = ifp;
5152 m->m_data = (caddr_t) (rxwi + 1);
5153 m->m_pkthdr.len = m->m_len = len;
5154
5155 /* check for crc errors */
5156
5157 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5158 {
5159 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5160 "%s: rxdesc: crc error\n",
5161 device_get_nameunit(sc->dev));
5162
5163 ifp->if_ierrors++;
5164
5165 if (!(ifp->if_flags & IFF_PROMISC))
5166 {
5167 m_freem(m);
5168 goto skip;
5169 }
5170 }
5171
5172 wh = (struct ieee80211_frame *) (rxwi + 1);
5173
5174 /* check for cipher errors */
5175
5176 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5177 {
5178 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5179 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5180 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5181 {
5182 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5183 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5184
5185 m->m_flags |= M_WEP;
5186 }
5187 else
5188 {
5189 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5190 "%s: rxdesc: cipher error=0x%02x\n",
5191 device_get_nameunit(sc->dev), cipher_err);
5192
5193 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5194 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5195 {
5196 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5197 if (ni != NULL)
5198 {
5199 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5200 RT2860_RXWI_KEYIDX_MASK;
5201
5202 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5203
5204 ieee80211_free_node(ni);
5205 }
5206 }
5207
5208 ifp->if_ierrors++;
5209
5210 if (!(ifp->if_flags & IFF_PROMISC))
5211 {
5212 m_free(m);
5213 goto skip;
5214 }
5215 }
5216 }
5217 else
5218 {
5219 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5220 {
5221 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5222 "%s: rxdesc: not decrypted but protected flag set\n",
5223 device_get_nameunit(sc->dev));
5224
5225 ifp->if_ierrors++;
5226
5227 if (!(ifp->if_flags & IFF_PROMISC))
5228 {
5229 m_free(m);
5230 goto skip;
5231 }
5232 }
5233 }
5234
5235 /* check for A-MPDU */
5236
5237 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5238 {
5239 m->m_flags |= M_AMPDU;
5240
5241 sc->rx_ampdu++;
5242
5243 ampdu = 1;
5244 }
5245 else
5246 {
5247 ampdu = 0;
5248 }
5249
5250 /* check for A-MSDU */
5251
5252 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5253 {
5254 sc->rx_amsdu++;
5255
5256 amsdu = 1;
5257 }
5258 else
5259 {
5260 amsdu = 0;
5261 }
5262
5263 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5264 rssi = rxwi->rssi[ant];
5265 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5266 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5267 RT2860_RXWI_PHYMODE_MASK);
5268 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5269 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5270 RT2860_RXWI_SHORTGI_MASK);
5271 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5272
5273 if (ieee80211_radiotap_active(ic))
5274 {
5275 tap = &sc->rxtap;
5276
5277 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5278 tap->dbm_antsignal = rssi_dbm;
5279 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5280 tap->antenna = ant;
5281 tap->antsignal = rssi;
5282 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5283 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5284 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5285 tap->chan_maxpow = 0;
5286
5287 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5288 tap->rate = mcs | IEEE80211_RATE_MCS;
5289 else
5290 tap->rate = rt2860_rxrate(rxwi);
5291
5292 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5293 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5294
5295 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5296 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5297
5298 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5299 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5300
5301 if (shortgi)
5302 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5303 }
5304
5305 /*
5306 * net80211 assumes that RSSI data are in the range [-127..127] and
5307 * in .5 dBm units relative to the current noise floor
5308 */
5309
5310 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5311 if (rssi_dbm_rel > 127)
5312 rssi_dbm_rel = 127;
5313
5314 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5315 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5316 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5317 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5318 device_get_nameunit(sc->dev),
5319 len, phymode, bw, shortgi, mcs,
5320 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5321 rxwi->snr[0], rxwi->snr[1],
5322 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5323
5324 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5325 if (ni != NULL)
5326 {
5327 rni = (struct rt2860_softc_node *) ni;
5328
5329 for (i = 0; i < RT2860_SOFTC_RSSI_DBM_COUNT; i++)
5330 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5331
5332 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5333 ieee80211_free_node(ni);
5334 }
5335 else
5336 {
5337 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5338 }
5339
5340 skip:
5341
5342 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5343
5344 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5345 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5346
5347 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5348
5349 limit--;
5350 }
5351
5352 if (ring->cur == 0)
5353 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5354 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5355 else
5356 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5357 ring->cur - 1);
5358
5359 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5360 "%s: Rx eof: nframes=%d\n",
5361 device_get_nameunit(sc->dev), nframes);
5362
5363 sc->rx_packets += nframes;
5364
5365 return (limit == 0);
5366 }
5367
5368 /*
5369 * rt2860_tx_eof
5370 */
5371 static void rt2860_tx_eof(struct rt2860_softc *sc,
5372 struct rt2860_softc_tx_ring *ring)
5373 {
5374 struct ifnet *ifp;
5375 struct rt2860_txdesc *desc;
5376 struct rt2860_softc_tx_data *data;
5377 uint32_t index;
5378 int ndescs, nframes;
5379
5380 ifp = sc->ifp;
5381
5382 ndescs = 0;
5383 nframes = 0;
5384
5385 for (;;)
5386 {
5387 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5388 if (ring->desc_next == index)
5389 break;
5390
5391 ndescs++;
5392
5393 rt2860_drain_fifo_stats(sc);
5394
5395 desc = &ring->desc[ring->desc_next];
5396
5397 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5398 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5399
5400 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5401 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5402 {
5403 nframes++;
5404
5405 data = &ring->data[ring->data_next];
5406
5407 if (data->m->m_flags & M_TXCB)
5408 ieee80211_process_callback(data->ni, data->m, 0);
5409
5410 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5411 BUS_DMASYNC_POSTWRITE);
5412 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5413
5414 m_freem(data->m);
5415
5416 ieee80211_free_node(data->ni);
5417
5418 data->m = NULL;
5419 data->ni = NULL;
5420
5421 ifp->if_opackets++;
5422
5423 RT2860_SOFTC_LOCK(sc);
5424
5425 ring->data_queued--;
5426 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5427
5428 RT2860_SOFTC_UNLOCK(sc);
5429 }
5430
5431 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5432
5433 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5434 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5435
5436 RT2860_SOFTC_LOCK(sc);
5437
5438 ring->desc_queued--;
5439 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5440
5441 RT2860_SOFTC_UNLOCK(sc);
5442 }
5443
5444 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5445 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5446 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5447 }
5448
5449 /*
5450 * rt2860_update_stats
5451 */
5452 static void rt2860_update_stats(struct rt2860_softc *sc)
5453 {
5454 struct ifnet *ifp;
5455 struct ieee80211com *ic;
5456 struct ieee80211vap *vap;
5457 struct ieee80211_node *ni;
5458 uint32_t stacnt[3];
5459 int beacons, noretryok, retryok, failed, underflows, zerolen;
5460 uint16_t associd;
5461 uint8_t wcid;
5462
5463 ifp = sc->ifp;
5464 ic = ifp->if_l2com;
5465 vap = TAILQ_FIRST(&ic->ic_vaps);
5466
5467 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5468 "%s: update statistic\n",
5469 device_get_nameunit(sc->dev));
5470
5471 rt2860_drain_fifo_stats(sc);
5472
5473 /* read and clear Tx statistic registers */
5474
5475 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5476 stacnt, sizeof(stacnt));
5477
5478 stacnt[0] = le32toh(stacnt[0]);
5479 stacnt[1] = le32toh(stacnt[1]);
5480 stacnt[2] = le32toh(stacnt[2]);
5481
5482 beacons = stacnt[0] >> 16;
5483 noretryok = stacnt[1] & 0xffff;
5484 retryok = stacnt[1] >> 16;
5485 failed = stacnt[0] & 0xffff;
5486 underflows = stacnt[2] >> 16;
5487 zerolen = stacnt[2] & 0xffff;
5488
5489 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5490 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5491 device_get_nameunit(sc->dev),
5492 beacons, noretryok, retryok, failed, underflows, zerolen);
5493
5494 ifp->if_oerrors += failed;
5495
5496 sc->tx_beacons += beacons;
5497 sc->tx_noretryok += noretryok;
5498 sc->tx_retryok += retryok;
5499 sc->tx_failed += failed;
5500 sc->tx_underflows += underflows;
5501 sc->tx_zerolen += zerolen;
5502
5503 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5504 {
5505 ni = vap->iv_bss;
5506
5507 associd = (ni != NULL) ? ni->ni_associd : 0;
5508 wcid = RT2860_AID2WCID(associd);
5509
5510 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5511 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5512 }
5513 }
5514
5515 /*
5516 * rt2860_bbp_tuning
5517 */
5518 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5519 {
5520 struct ifnet *ifp;
5521 struct ieee80211com *ic;
5522 struct ieee80211vap *vap;
5523 struct ieee80211_node *ni;
5524 int chan, group;
5525 int8_t rssi, old, new;
5526
5527 /* RT2860C does not support BBP tuning */
5528
5529 if (sc->mac_rev == 0x28600100)
5530 return;
5531
5532 ifp = sc->ifp;
5533 ic = ifp->if_l2com;
5534 vap = TAILQ_FIRST(&ic->ic_vaps);
5535
5536 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5537 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5538 return;
5539
5540 ni = vap->iv_bss;
5541
5542 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5543
5544 if (chan <= 14)
5545 group = 0;
5546 else if (chan <= 64)
5547 group = 1;
5548 else if (chan <= 128)
5549 group = 2;
5550 else
5551 group = 3;
5552
5553 rssi = ieee80211_getrssi(vap);
5554
5555 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5556 {
5557 new = 0x2e + sc->lna_gain[group];
5558 }
5559 else
5560 {
5561 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5562 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5563 else
5564 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5565 }
5566
5567 /* Tune if absolute average RSSI is greater than -80 */
5568
5569 if (rssi > 30)
5570 new += 0x10;
5571
5572 old = rt2860_io_bbp_read(sc, 66);
5573
5574 if (old != new)
5575 rt2860_io_bbp_write(sc, 66, new);
5576 }
5577
5578 /*
5579 * rt2860_watchdog
5580 */
5581 static void rt2860_watchdog(struct rt2860_softc *sc)
5582 {
5583 uint32_t tmp;
5584 int ntries;
5585
5586 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5587
5588 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5589 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5590 device_get_nameunit(sc->dev), tmp);
5591
5592 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5593 {
5594 sc->tx_queue_not_empty[0]++;
5595
5596 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5597
5598 for (ntries = 0; ntries < 10; ntries++)
5599 {
5600 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5601 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5602 break;
5603
5604 DELAY(1);
5605 }
5606
5607 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5608 }
5609
5610 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5611 {
5612 sc->tx_queue_not_empty[1]++;
5613
5614 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5615
5616 for (ntries = 0; ntries < 10; ntries++)
5617 {
5618 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5619 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5620 break;
5621
5622 DELAY(1);
5623 }
5624
5625 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5626 }
5627 }
5628
5629 /*
5630 * rt2860_drain_fifo_stats
5631 */
5632 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5633 {
5634 struct ifnet *ifp;
5635 uint32_t stats;
5636 uint8_t wcid, mcs, pid;
5637 int ok, agg, retrycnt;
5638
5639 ifp = sc->ifp;
5640
5641 /* drain Tx status FIFO (maxsize = 16) */
5642
5643 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5644 RT2860_REG_TX_STA_FIFO_VALID)
5645 {
5646 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5647 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5648
5649 /* if no ACK was requested, no feedback is available */
5650
5651 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5652 continue;
5653
5654 /* update AMRR statistic */
5655
5656 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5657 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5658 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5659 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5660 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5661 RT2860_REG_TX_STA_FIFO_PID_MASK;
5662 retrycnt = pid - mcs;
5663
5664 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5665 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5666 device_get_nameunit(sc->dev),
5667 wcid, ok, agg, mcs, pid, retrycnt);
5668
5669 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5670
5671 if (!ok)
5672 ifp->if_oerrors++;
5673 }
5674 }
5675
5676 /*
5677 * rt2860_update_raw_counters
5678 */
5679 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5680 {
5681 uint32_t tmp;
5682
5683 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5684
5685 sc->tx_nonagg += tmp & 0xffff;
5686 sc->tx_agg += tmp >> 16;
5687
5688 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5689
5690 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5691
5692 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5693
5694 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5695
5696 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5697
5698 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5699
5700 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5701
5702 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5703
5704 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5705
5706 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5707
5708 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5709
5710 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5711
5712 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5713
5714 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5715
5716 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5717
5718 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5719
5720 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5721
5722 sc->rx_crc_errors += tmp & 0xffff;
5723 sc->rx_phy_errors += tmp >> 16;
5724
5725 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5726
5727 sc->rx_false_ccas += tmp & 0xffff;
5728 sc->rx_plcp_errors += tmp >> 16;
5729
5730 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5731
5732 sc->rx_dup_packets += tmp & 0xffff;
5733 sc->rx_fifo_overflows += tmp >> 16;
5734
5735 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5736
5737 sc->tx_mpdu_zero_density += tmp & 0xffff;
5738 sc->rx_mpdu_zero_density += tmp >> 16;
5739 }
5740
5741 /*
5742 * rt2860_intr_enable
5743 */
5744 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5745 {
5746 uint32_t tmp;
5747
5748 sc->intr_disable_mask &= ~intr_mask;
5749
5750 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5751
5752 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5753 }
5754
5755 /*
5756 * rt2860_intr_disable
5757 */
5758 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5759 {
5760 uint32_t tmp;
5761
5762 sc->intr_disable_mask |= intr_mask;
5763
5764 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5765
5766 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5767 }
5768
5769 /*
5770 * rt2860_txrx_enable
5771 */
5772 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5773 {
5774 struct ieee80211com *ic;
5775 struct ifnet *ifp;
5776 uint32_t tmp;
5777 int ntries;
5778
5779 ifp = sc->ifp;
5780 ic = ifp->if_l2com;
5781
5782 /* enable Tx/Rx DMA engine */
5783
5784 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5785
5786 for (ntries = 0; ntries < 200; ntries++)
5787 {
5788 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5789 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5790 break;
5791
5792 DELAY(1000);
5793 }
5794
5795 if (ntries == 200)
5796 {
5797 printf("%s: timeout waiting for DMA engine\n",
5798 device_get_nameunit(sc->dev));
5799 return -1;
5800 }
5801
5802 DELAY(50);
5803
5804 tmp |= RT2860_REG_TX_WB_DDONE |
5805 RT2860_REG_RX_DMA_ENABLE |
5806 RT2860_REG_TX_DMA_ENABLE |
5807 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5808
5809 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5810
5811 /* set Rx filter */
5812
5813 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5814 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5815
5816 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5817 {
5818 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5819 RT2860_REG_RX_FILTER_DROP_CTS |
5820 RT2860_REG_RX_FILTER_DROP_BA |
5821 RT2860_REG_RX_FILTER_DROP_ACK |
5822 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5823 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5824 RT2860_REG_RX_FILTER_DROP_CFACK |
5825 RT2860_REG_RX_FILTER_DROP_CFEND;
5826
5827 if (ic->ic_opmode == IEEE80211_M_STA)
5828 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5829 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5830
5831 if (!(ifp->if_flags & IFF_PROMISC))
5832 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5833 }
5834
5835 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5836
5837 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5838 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5839
5840 return 0;
5841 }
5842
5843 /*
5844 * rt2860_alloc_rx_ring
5845 */
5846 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5847 struct rt2860_softc_rx_ring *ring)
5848 {
5849 struct rt2860_rxdesc *desc;
5850 struct rt2860_softc_rx_data *data;
5851 bus_dma_segment_t segs[1];
5852 int i, nsegs, error;
5853
5854 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5855 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5856 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5857 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5858 0, NULL, NULL, &ring->desc_dma_tag);
5859 if (error != 0)
5860 {
5861 printf("%s: could not create Rx desc DMA tag\n",
5862 device_get_nameunit(sc->dev));
5863 goto fail;
5864 }
5865
5866 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5867 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5868 if (error != 0)
5869 {
5870 printf("%s: could not allocate Rx desc DMA memory\n",
5871 device_get_nameunit(sc->dev));
5872 goto fail;
5873 }
5874
5875 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5876 ring->desc,
5877 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5878 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5879 if (error != 0)
5880 {
5881 printf("%s: could not load Rx desc DMA map\n",
5882 device_get_nameunit(sc->dev));
5883 goto fail;
5884 }
5885
5886 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5887 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5888 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5889 &ring->data_dma_tag);
5890 if (error != 0)
5891 {
5892 printf("%s: could not create Rx data DMA tag\n",
5893 device_get_nameunit(sc->dev));
5894 goto fail;
5895 }
5896
5897 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5898 {
5899 desc = &ring->desc[i];
5900 data = &ring->data[i];
5901
5902 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5903 if (error != 0)
5904 {
5905 printf("%s: could not create Rx data DMA map\n",
5906 device_get_nameunit(sc->dev));
5907 goto fail;
5908 }
5909
5910 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5911 if (data->m == NULL)
5912 {
5913 printf("%s: could not allocate Rx mbuf\n",
5914 device_get_nameunit(sc->dev));
5915 error = ENOMEM;
5916 goto fail;
5917 }
5918
5919 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5920
5921 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5922 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5923 if (error != 0)
5924 {
5925 printf("%s: could not load Rx mbuf DMA map\n",
5926 device_get_nameunit(sc->dev));
5927 goto fail;
5928 }
5929
5930 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5931 device_get_nameunit(sc->dev)));
5932
5933 desc->sdp0 = htole32(segs[0].ds_addr);
5934 desc->sdl0 = htole16(MJUMPAGESIZE);
5935 }
5936
5937 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5938 if (error != 0)
5939 {
5940 printf("%s: could not create Rx spare DMA map\n",
5941 device_get_nameunit(sc->dev));
5942 goto fail;
5943 }
5944
5945 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5946 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5947
5948 return 0;
5949
5950 fail:
5951
5952 rt2860_free_rx_ring(sc, ring);
5953
5954 return error;
5955 }
5956
5957 /*
5958 * rt2860_reset_rx_ring
5959 */
5960 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5961 struct rt2860_softc_rx_ring *ring)
5962 {
5963 struct rt2860_rxdesc *desc;
5964 int i;
5965
5966 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5967 {
5968 desc = &ring->desc[i];
5969
5970 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5971 }
5972
5973 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5974 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5975
5976 ring->cur = 0;
5977 }
5978
5979 /*
5980 * rt2860_free_rx_ring
5981 */
5982 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5983 struct rt2860_softc_rx_ring *ring)
5984 {
5985 struct rt2860_softc_rx_data *data;
5986 int i;
5987
5988 if (ring->desc != NULL)
5989 {
5990 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5991 BUS_DMASYNC_POSTWRITE);
5992 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5993 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5994 ring->desc_dma_map);
5995 }
5996
5997 if (ring->desc_dma_tag != NULL)
5998 bus_dma_tag_destroy(ring->desc_dma_tag);
5999
6000 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6001 {
6002 data = &ring->data[i];
6003
6004 if (data->m != NULL)
6005 {
6006 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6007 BUS_DMASYNC_POSTREAD);
6008 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6009 m_freem(data->m);
6010 }
6011
6012 if (data->dma_map != NULL)
6013 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6014 }
6015
6016 if (ring->spare_dma_map != NULL)
6017 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6018
6019 if (ring->data_dma_tag != NULL)
6020 bus_dma_tag_destroy(ring->data_dma_tag);
6021 }
6022
6023 /*
6024 * rt2860_alloc_tx_ring
6025 */
6026 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6027 struct rt2860_softc_tx_ring *ring, int qid)
6028 {
6029 struct rt2860_softc_tx_data *data;
6030 int error, i;
6031
6032 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6033 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6034 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6035 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6036 0, NULL, NULL, &ring->desc_dma_tag);
6037 if (error != 0)
6038 {
6039 printf("%s: could not create Tx desc DMA tag\n",
6040 device_get_nameunit(sc->dev));
6041 goto fail;
6042 }
6043
6044 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6045 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6046 if (error != 0)
6047 {
6048 printf("%s: could not allocate Tx desc DMA memory\n",
6049 device_get_nameunit(sc->dev));
6050 goto fail;
6051 }
6052
6053 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6054 ring->desc,
6055 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6056 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6057 if (error != 0)
6058 {
6059 printf("%s: could not load Tx desc DMA map\n",
6060 device_get_nameunit(sc->dev));
6061 goto fail;
6062 }
6063
6064 ring->desc_queued = 0;
6065 ring->desc_cur = 0;
6066 ring->desc_next = 0;
6067
6068 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6069 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6070 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6071 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6072 0, NULL, NULL, &ring->seg0_dma_tag);
6073 if (error != 0)
6074 {
6075 printf("%s: could not create Tx seg0 DMA tag\n",
6076 device_get_nameunit(sc->dev));
6077 goto fail;
6078 }
6079
6080 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6081 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6082 if (error != 0)
6083 {
6084 printf("%s: could not allocate Tx seg0 DMA memory\n",
6085 device_get_nameunit(sc->dev));
6086 goto fail;
6087 }
6088
6089 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6090 ring->seg0,
6091 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6092 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6093 if (error != 0)
6094 {
6095 printf("%s: could not load Tx seg0 DMA map\n",
6096 device_get_nameunit(sc->dev));
6097 goto fail;
6098 }
6099
6100 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6101 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6102 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6103 &ring->data_dma_tag);
6104 if (error != 0)
6105 {
6106 printf("%s: could not create Tx data DMA tag\n",
6107 device_get_nameunit(sc->dev));
6108 goto fail;
6109 }
6110
6111 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6112 {
6113 data = &ring->data[i];
6114
6115 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6116 if (error != 0)
6117 {
6118 printf("%s: could not create Tx data DMA map\n",
6119 device_get_nameunit(sc->dev));
6120 goto fail;
6121 }
6122 }
6123
6124 ring->data_queued = 0;
6125 ring->data_cur = 0;
6126 ring->data_next = 0;
6127
6128 ring->qid = qid;
6129
6130 return 0;
6131
6132 fail:
6133
6134 rt2860_free_tx_ring(sc, ring);
6135
6136 return error;
6137 }
6138
6139 /*
6140 * rt2860_reset_tx_ring
6141 */
6142 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6143 struct rt2860_softc_tx_ring *ring)
6144 {
6145 struct rt2860_softc_tx_data *data;
6146 struct rt2860_txdesc *desc;
6147 int i;
6148
6149 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6150 {
6151 desc = &ring->desc[i];
6152
6153 desc->sdl0 = 0;
6154 desc->sdl1 = 0;
6155 }
6156
6157 ring->desc_queued = 0;
6158 ring->desc_cur = 0;
6159 ring->desc_next = 0;
6160
6161 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6162 BUS_DMASYNC_PREWRITE);
6163
6164 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6165 BUS_DMASYNC_PREWRITE);
6166
6167 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6168 {
6169 data = &ring->data[i];
6170
6171 if (data->m != NULL)
6172 {
6173 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6174 BUS_DMASYNC_POSTWRITE);
6175 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6176 m_freem(data->m);
6177 data->m = NULL;
6178 }
6179
6180 if (data->ni != NULL)
6181 {
6182 ieee80211_free_node(data->ni);
6183 data->ni = NULL;
6184 }
6185 }
6186
6187 ring->data_queued = 0;
6188 ring->data_cur = 0;
6189 ring->data_next = 0;
6190 }
6191
6192 /*
6193 * rt2860_free_tx_ring
6194 */
6195 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6196 struct rt2860_softc_tx_ring *ring)
6197 {
6198 struct rt2860_softc_tx_data *data;
6199 int i;
6200
6201 if (ring->desc != NULL)
6202 {
6203 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6204 BUS_DMASYNC_POSTWRITE);
6205 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6206 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6207 ring->desc_dma_map);
6208 }
6209
6210 if (ring->desc_dma_tag != NULL)
6211 bus_dma_tag_destroy(ring->desc_dma_tag);
6212
6213 if (ring->seg0 != NULL)
6214 {
6215 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6216 BUS_DMASYNC_POSTWRITE);
6217 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6218 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6219 ring->seg0_dma_map);
6220 }
6221
6222 if (ring->seg0_dma_tag != NULL)
6223 bus_dma_tag_destroy(ring->seg0_dma_tag);
6224
6225 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6226 {
6227 data = &ring->data[i];
6228
6229 if (data->m != NULL)
6230 {
6231 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6232 BUS_DMASYNC_POSTWRITE);
6233 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6234 m_freem(data->m);
6235 }
6236
6237 if (data->ni != NULL)
6238 ieee80211_free_node(data->ni);
6239
6240 if (data->dma_map != NULL)
6241 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6242 }
6243
6244 if (ring->data_dma_tag != NULL)
6245 bus_dma_tag_destroy(ring->data_dma_tag);
6246 }
6247
6248 /*
6249 * rt2860_dma_map_addr
6250 */
6251 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6252 int nseg, int error)
6253 {
6254 if (error != 0)
6255 return;
6256
6257 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6258
6259 *(bus_addr_t *) arg = segs[0].ds_addr;
6260 }
6261
6262 /*
6263 * rt2860_sysctl_attach
6264 */
6265 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6266 {
6267 struct sysctl_ctx_list *ctx;
6268 struct sysctl_oid *tree;
6269 struct sysctl_oid *stats;
6270
6271 ctx = device_get_sysctl_ctx(sc->dev);
6272 tree = device_get_sysctl_tree(sc->dev);
6273
6274 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6275 "stats", CTLFLAG_RD, 0, "statistic");
6276
6277 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6278 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6279 "all interrupts");
6280
6281 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6282 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6283 "Tx coherent interrupts");
6284
6285 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6286 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6287 "Rx coherent interrupts");
6288
6289 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6290 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6291 "Tx/Rx coherent interrupts");
6292
6293 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6294 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6295 "FIFO statistic full interrupts");
6296
6297 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6298 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6299 "Rx interrupts");
6300
6301 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6302 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6303 "Rx delay interrupts");
6304
6305 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6306 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6307 "Tx MGMT interrupts");
6308
6309 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6310 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6311 "Tx HCCA interrupts");
6312
6313 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6314 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6315 "Tx AC3 interrupts");
6316
6317 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6318 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6319 "Tx AC2 interrupts");
6320
6321 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6322 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6323 "Tx AC1 interrupts");
6324
6325 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6326 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6327 "Tx AC0 interrupts");
6328
6329 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6330 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6331 "Tx delay interrupts");
6332
6333 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6334 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6335 "Pre-TBTT interrupts");
6336
6337 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6338 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6339 "TBTT interrupts");
6340
6341 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6342 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6343 "MCU command interrupts");
6344
6345 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6346 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6347 "auto wakeup interrupts");
6348
6349 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6350 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6351 "GP timer interrupts");
6352
6353 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6354 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6355 "Tx MGMT descriptors queued");
6356
6357 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6358 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6359 "Tx MGMT data queued");
6360
6361 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6362 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6363 "Tx HCCA descriptors queued");
6364
6365 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6366 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6367 "Tx HCCA data queued");
6368
6369 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6370 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6371 "Tx AC3 descriptors queued");
6372
6373 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6374 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6375 "Tx AC3 data queued");
6376
6377 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6378 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6379 "Tx AC2 descriptors queued");
6380
6381 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6382 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6383 "Tx AC2 data queued");
6384
6385 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6386 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6387 "Tx AC1 descriptors queued");
6388
6389 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6390 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6391 "Tx AC1 data queued");
6392
6393 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6394 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6395 "Tx AC0 descriptors queued");
6396
6397 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6398 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6399 "Tx AC0 data queued");
6400
6401 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6402 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6403 "Tx MGMT data queue full");
6404
6405 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6406 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6407 "Tx HCCA data queue full");
6408
6409 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6410 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6411 "Tx AC3 data queue full");
6412
6413 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6414 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6415 "Tx AC2 data queue full");
6416
6417 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6418 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6419 "Tx AC1 data queue full");
6420
6421 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6422 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6423 "Tx AC0 data queue full");
6424
6425 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6426 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6427 "Tx watchdog timeouts");
6428
6429 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6430 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6431 "Tx defragmented packets");
6432
6433 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6434 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6435 "no Tx descriptors available");
6436
6437 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6438 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6439 "Rx mbuf allocation errors");
6440
6441 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6442 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6443 "Rx mbuf DMA mapping errors");
6444
6445 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6446 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6447 "Tx queue 0 not empty");
6448
6449 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6450 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6451 "Tx queue 1 not empty");
6452
6453 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6454 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6455 "Tx beacons");
6456
6457 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6458 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6459 "Tx successfull without retries");
6460
6461 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6462 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6463 "Tx successfull with retries");
6464
6465 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6466 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6467 "Tx failed");
6468
6469 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6470 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6471 "Tx underflows");
6472
6473 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6474 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6475 "Tx zero length");
6476
6477 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6478 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6479 "Tx non-aggregated");
6480
6481 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6482 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6483 "Tx aggregated");
6484
6485 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6486 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6487 "Tx A-MPDU");
6488
6489 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6490 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6491 "Tx MPDU with zero density");
6492
6493 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6494 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6495 "Rx packets");
6496
6497 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6498 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6499 "Rx A-MPDU");
6500
6501 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6502 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6503 "Rx MPDU with zero density");
6504
6505 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6506 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6507 "Rx A-MSDU");
6508
6509 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6510 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6511 "Rx CRC errors");
6512
6513 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6514 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6515 "Rx PHY errors");
6516
6517 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6518 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6519 "Rx false CCAs");
6520
6521 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6522 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6523 "Rx PLCP errors");
6524
6525 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6526 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6527 "Rx duplicate packets");
6528
6529 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6530 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6531 "Rx FIFO overflows");
6532 }
6533
6534 static device_method_t rt2860_dev_methods[] =
6535 {
6536 DEVMETHOD(device_probe, rt2860_probe),
6537 DEVMETHOD(device_attach, rt2860_attach),
6538 DEVMETHOD(device_detach, rt2860_detach),
6539 DEVMETHOD(device_shutdown, rt2860_shutdown),
6540 DEVMETHOD(device_suspend, rt2860_suspend),
6541 DEVMETHOD(device_resume, rt2860_resume),
6542 { 0, 0 }
6543 };
6544
6545 static driver_t rt2860_driver =
6546 {
6547 "rt2860",
6548 rt2860_dev_methods,
6549 sizeof(struct rt2860_softc)
6550 };
6551
6552 static devclass_t rt2860_dev_class;
6553
6554 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6555
6556 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6557 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860