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Fixed Tx hang issue with DMA segment length = 0
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blob185c0704de24c46b57f833a6866dbb3706d335a8
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2860_softc.h"
20 #include "rt2860_reg.h"
21 #include "rt2860_eeprom.h"
22 #include "rt2860_ucode.h"
23 #include "rt2860_txwi.h"
24 #include "rt2860_rxwi.h"
25 #include "rt2860_io.h"
26 #include "rt2860_read_eeprom.h"
27 #include "rt2860_led.h"
28 #include "rt2860_rf.h"
29 #include "rt2860_debug.h"
30
31 /*
32 * Defines and macros
33 */
34
35 #define PCI_VENDOR_RALINK 0x1814
36 #define PCI_PRODUCT_RALINK_RT2860_PCI 0x0601
37 #define PCI_PRODUCT_RALINK_RT2860_PCIe 0x0681
38 #define PCI_PRODUCT_RALINK_RT2760_PCI 0x0701
39 #define PCI_PRODUCT_RALINK_RT2790_PCIe 0x0781
40
41 #define RT2860_MAX_AGG_SIZE 3840
42
43 #define RT2860_TX_DATA_SEG0_SIZE \
44 (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4))
45
46 #define RT2860_NOISE_FLOOR -95
47
48 #define RT2860_AID2WCID(aid) ((aid) & 0xff)
49
50 #define RT2860_ACK_SIZE 14
51
52 #define IEEE80211_HAS_ADDR4(wh) \
53 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
54
55 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
56 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
57
58 #define RT2860_TX_WATCHDOG_TIMEOUT 5
59
60 /*
61 * Data structures and types
62 */
63
64 struct rt2860_pci_ident
65 {
66 uint16_t vendor;
67 uint16_t device;
68 const char *name;
69 };
70
71 /*
72 * Static function prototypes
73 */
74
75 static int rt2860_probe(device_t dev);
76
77 static int rt2860_attach(device_t dev);
78
79 static int rt2860_detach(device_t dev);
80
81 static int rt2860_shutdown(device_t dev);
82
83 static int rt2860_suspend(device_t dev);
84
85 static int rt2860_resume(device_t dev);
86
87 static void rt2860_init_channels(struct rt2860_softc *sc);
88
89 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
90
91 static void rt2860_init_locked(void *priv);
92
93 static void rt2860_init(void *priv);
94
95 static int rt2860_init_bbp(struct rt2860_softc *sc);
96
97 static void rt2860_stop_locked(void *priv);
98
99 static void rt2860_stop(void *priv);
100
101 static void rt2860_start(struct ifnet *ifp);
102
103 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
104
105 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
106 const char name[IFNAMSIZ], int unit, int opmode, int flags,
107 const uint8_t bssid[IEEE80211_ADDR_LEN],
108 const uint8_t mac[IEEE80211_ADDR_LEN]);
109
110 static void rt2860_vap_delete(struct ieee80211vap *vap);
111
112 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
113
114 static int rt2860_vap_newstate(struct ieee80211vap *vap,
115 enum ieee80211_state nstate, int arg);
116
117 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
118
119 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
120
121 static int rt2860_vap_key_set(struct ieee80211vap *vap,
122 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
123
124 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
125 const struct ieee80211_key *k);
126
127 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
128
129 static int rt2860_media_change(struct ifnet *ifp);
130
131 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
132 const uint8_t mac[IEEE80211_ADDR_LEN]);
133
134 static int rt2860_setregdomain(struct ieee80211com *ic,
135 struct ieee80211_regdomain *reg,
136 int nchans, struct ieee80211_channel chans[]);
137
138 static void rt2860_getradiocaps(struct ieee80211com *ic,
139 int maxchans, int *nchans, struct ieee80211_channel chans[]);
140
141 static void rt2860_scan_start(struct ieee80211com *ic);
142
143 static void rt2860_scan_end(struct ieee80211com *ic);
144
145 static void rt2860_set_channel(struct ieee80211com *ic);
146
147 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
148
149 static void rt2860_updateslot(struct ifnet *ifp);
150
151 static void rt2860_update_promisc(struct ifnet *ifp);
152
153 static void rt2860_update_mcast(struct ifnet *ifp);
154
155 static int rt2860_wme_update(struct ieee80211com *ic);
156
157 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
158 const struct ieee80211_bpf_params *params);
159
160 static int rt2860_recv_action(struct ieee80211_node *ni,
161 const struct ieee80211_frame *wh,
162 const uint8_t *frm, const uint8_t *efrm);
163
164 static int rt2860_send_action(struct ieee80211_node *ni,
165 int cat, int act, void *sa);
166
167 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
168
169 static void rt2860_periodic(void *arg);
170
171 static void rt2860_tx_watchdog(void *arg);
172
173 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
174 const uint8_t *bssid);
175
176 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
177 const uint8_t *addr);
178
179 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
180
181 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
182
183 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
184
185 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
186
187 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
188
189 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
190
191 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
192
193 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
194
195 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
196
197 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
198
199 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
200
201 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
202 struct ieee80211vap *vap);
203
204 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
205
206 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
207
208 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
209 const struct rt2860_rxwi *rxwi);
210
211 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
212 uint8_t rssi, uint8_t rxpath);
213
214 static uint8_t rt2860_rate2mcs(uint8_t rate);
215
216 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
217 struct mbuf *m, struct ieee80211_node *ni, int qid);
218
219 static int rt2860_tx_data(struct rt2860_softc *sc,
220 struct mbuf *m, struct ieee80211_node *ni, int qid);
221
222 static int rt2860_tx_raw(struct rt2860_softc *sc,
223 struct mbuf *m, struct ieee80211_node *ni,
224 const struct ieee80211_bpf_params *params);
225
226 static void rt2860_intr(void *arg);
227
228 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
229
230 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
231
232 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
233
234 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
235
236 static void rt2860_rx_intr(struct rt2860_softc *sc);
237
238 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
239
240 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
241
242 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
243
244 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
245
246 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
247
248 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
249
250 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
251
252 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
253
254 static void rt2860_rx_done_task(void *context, int pending);
255
256 static void rt2860_tx_done_task(void *context, int pending);
257
258 static void rt2860_fifo_sta_full_task(void *context, int pending);
259
260 static void rt2860_periodic_task(void *context, int pending);
261
262 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
263
264 static void rt2860_tx_eof(struct rt2860_softc *sc,
265 struct rt2860_softc_tx_ring *ring);
266
267 static void rt2860_update_stats(struct rt2860_softc *sc);
268
269 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
270
271 static void rt2860_watchdog(struct rt2860_softc *sc);
272
273 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
274
275 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
276
277 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
278
279 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
280
281 static int rt2860_txrx_enable(struct rt2860_softc *sc);
282
283 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
284 struct rt2860_softc_rx_ring *ring);
285
286 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
287 struct rt2860_softc_rx_ring *ring);
288
289 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
290 struct rt2860_softc_rx_ring *ring);
291
292 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
293 struct rt2860_softc_tx_ring *ring, int qid);
294
295 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
296 struct rt2860_softc_tx_ring *ring);
297
298 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
299 struct rt2860_softc_tx_ring *ring);
300
301 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
302 int nseg, int error);
303
304 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
305
306 /*
307 * Static variables
308 */
309
310 static const struct rt2860_pci_ident rt2860_pci_ids[] =
311 {
312 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
313 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
314 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
315 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
316 { 0, 0, NULL }
317 };
318
319 static const struct
320 {
321 uint32_t reg;
322 uint32_t val;
323 } rt2860_def_mac[] =
324 {
325 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
326 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
327 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
328 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
329 { RT2860_REG_SYS_CTRL, 0x00000000 },
330 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
331 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
332 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
333 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
334 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
335 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
336 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
337 { RT2860_REG_LED_CFG, 0x7f031e46 },
338 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
339 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
340 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
341 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
342 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
343 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
344 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
345 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
346 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
347 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
348 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
349 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
350 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
351 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
352 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
353 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
354 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
355 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
356 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
357 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
358 };
359
360 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
361
362 static const struct
363 {
364 uint8_t reg;
365 uint8_t val;
366 } rt2860_def_bbp[] =
367 {
368 { 65, 0x2c },
369 { 66, 0x38 },
370 { 69, 0x12 },
371 { 70, 0x0a },
372 { 73, 0x10 },
373 { 81, 0x37 },
374 { 82, 0x62 },
375 { 83, 0x6a },
376 { 84, 0x99 },
377 { 86, 0x00 },
378 { 91, 0x04 },
379 { 92, 0x00 },
380 { 103, 0x00 },
381 { 105, 0x05 },
382 { 106, 0x35 },
383 };
384
385 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
386
387 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
388
389 #ifdef RT2860_DEBUG
390 static int rt2860_debug = 0;
391 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
392 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
393 #endif
394
395 /*
396 * rt2860_probe
397 */
398 static int rt2860_probe(device_t dev)
399 {
400 const struct rt2860_pci_ident *ident;
401
402 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
403 {
404 if (pci_get_vendor(dev) == ident->vendor &&
405 pci_get_device(dev) == ident->device)
406 {
407 device_set_desc(dev, ident->name);
408 return 0;
409 }
410 }
411
412 return ENXIO;
413 }
414
415 /*
416 * rt2860_attach
417 */
418 static int rt2860_attach(device_t dev)
419 {
420 struct rt2860_softc *sc;
421 struct ifnet *ifp;
422 struct ieee80211com *ic;
423 int error, ntries, i;
424
425 sc = device_get_softc(dev);
426
427 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
428 {
429 printf("%s: chip is in D%d power mode, setting to D0\n",
430 device_get_nameunit(dev), pci_get_powerstate(dev));
431 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
432 }
433
434 /* enable bus-mastering */
435
436 pci_enable_busmaster(dev);
437
438 sc->dev = dev;
439
440 mtx_init(&sc->lock, device_get_nameunit(dev),
441 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
442
443 sc->mem_rid = PCIR_BAR(0);
444 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
445 &sc->mem_rid, RF_ACTIVE);
446 if (sc->mem == NULL)
447 {
448 printf("%s: could not allocate memory resource\n",
449 device_get_nameunit(dev));
450 error = ENXIO;
451 goto fail;
452 }
453
454 sc->bst = rman_get_bustag(sc->mem);
455 sc->bsh = rman_get_bushandle(sc->mem);
456
457 sc->irq_rid = 0;
458 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
459 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
460 if (sc->irq == NULL)
461 {
462 printf("%s: could not allocate interrupt resource\n",
463 device_get_nameunit(dev));
464 error = ENXIO;
465 goto fail;
466 }
467
468 #ifdef RT2860_DEBUG
469 sc->debug = rt2860_debug;
470
471 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
472 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
473 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
474 #endif
475
476 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
477 "%s: attaching\n",
478 device_get_nameunit(sc->dev));
479
480 /* wait for NIC to initialize */
481
482 for (ntries = 0; ntries < 100; ntries++)
483 {
484 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
485 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
486 break;
487
488 DELAY(10);
489 }
490
491 if (ntries == 100)
492 {
493 printf("%s: timeout waiting for NIC to initialize\n",
494 device_get_nameunit(dev));
495 error = EIO;
496 goto fail;
497 }
498
499 rt2860_read_eeprom(sc);
500
501 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
502 device_get_nameunit(sc->dev), sc->mac_rev,
503 rt2860_rf_name(sc->rf_rev));
504
505 /* allocate Tx and Rx rings */
506
507 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
508 {
509 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
510 if (error != 0)
511 {
512 printf("%s: could not allocate Tx ring #%d\n",
513 device_get_nameunit(sc->dev), i);
514 goto fail;
515 }
516 }
517
518 sc->tx_ring_mgtqid = 5;
519
520 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
521 if (error != 0)
522 {
523 printf("%s: could not allocate Rx ring\n",
524 device_get_nameunit(sc->dev));
525 goto fail;
526 }
527
528 callout_init(&sc->periodic_ch, 0);
529 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
530
531 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
532 if (ifp == NULL)
533 {
534 printf("%s: could not if_alloc()\n",
535 device_get_nameunit(sc->dev));
536 error = ENOMEM;
537 goto fail;
538 }
539
540 ifp->if_softc = sc;
541
542 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
543
544 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
545
546 ifp->if_init = rt2860_init;
547 ifp->if_ioctl = rt2860_ioctl;
548 ifp->if_start = rt2860_start;
549
550 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
551 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
552 IFQ_SET_READY(&ifp->if_snd);
553
554 ic = ifp->if_l2com;
555
556 ic->ic_ifp = ifp;
557
558 ic->ic_phytype = IEEE80211_T_HT;
559 ic->ic_opmode = IEEE80211_M_STA;
560
561 ic->ic_caps = IEEE80211_C_MONITOR |
562 IEEE80211_C_IBSS |
563 IEEE80211_C_STA |
564 IEEE80211_C_AHDEMO |
565 IEEE80211_C_HOSTAP |
566 IEEE80211_C_WDS |
567 IEEE80211_C_MBSS |
568 /* IEEE80211_C_BGSCAN | */
569 IEEE80211_C_TXPMGT |
570 IEEE80211_C_SHPREAMBLE |
571 IEEE80211_C_SHSLOT |
572 IEEE80211_C_TXFRAG |
573 IEEE80211_C_BURST |
574 IEEE80211_C_WME |
575 IEEE80211_C_WPA;
576
577 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
578 IEEE80211_CRYPTO_TKIP |
579 IEEE80211_CRYPTO_TKIPMIC |
580 IEEE80211_CRYPTO_AES_CCM;
581
582 ic->ic_htcaps = IEEE80211_HTC_HT |
583 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
584 IEEE80211_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_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
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 rt2860_asic_updateprot(sc);
1315
1316 /* clear key tables */
1317
1318 rt2860_asic_clear_keytables(sc);
1319
1320 /* clear beacon frame space (entries = 8, entry size = 512) */
1321
1322 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1323
1324 taskqueue_unblock(sc->taskqueue);
1325
1326 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1327
1328 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1329 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1330
1331 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1332 {
1333 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1334 sc->tx_ring[i].desc_phys_addr);
1335 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1336 RT2860_SOFTC_TX_RING_DESC_COUNT);
1337 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1338 }
1339
1340 /* init Rx ring */
1341
1342 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1343
1344 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1345 sc->rx_ring.desc_phys_addr);
1346 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1347 RT2860_SOFTC_RX_RING_DATA_COUNT);
1348 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1349 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1350
1351 /* wait while DMA engine is busy */
1352
1353 for (ntries = 0; ntries < 100; ntries++)
1354 {
1355 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1356 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1357 break;
1358
1359 DELAY(1000);
1360 }
1361
1362 if (ntries == 100)
1363 {
1364 printf("%s: timeout waiting for DMA engine\n",
1365 device_get_nameunit(sc->dev));
1366 goto fail;
1367 }
1368
1369 tmp &= 0xff0;
1370 tmp |= RT2860_REG_TX_WB_DDONE;
1371
1372 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1373
1374 /* disable interrupts mitigation */
1375
1376 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1377
1378 /* send LEDs operating mode to microcontroller */
1379
1380 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1381 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1382 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1383 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1384 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1385 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1386
1387 /* turn radio LED on */
1388
1389 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1390
1391 /* write vendor-specific BBP values (from EEPROM) */
1392
1393 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1394 {
1395 if (sc->bbp_eeprom[i].reg == 0x00 ||
1396 sc->bbp_eeprom[i].reg == 0xff)
1397 continue;
1398
1399 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1400 sc->bbp_eeprom[i].val);
1401 }
1402
1403 /*
1404 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1405 if (tmp & (1 << 2))
1406 {
1407 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1408 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1409 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1410
1411 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1412 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1413 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1414 }
1415 */
1416
1417 /* disable non-existing Rx chains */
1418
1419 tmp = rt2860_io_bbp_read(sc, 3);
1420
1421 tmp &= ~((1 << 4) | (1 << 3));
1422
1423 if (sc->nrxpath == 3)
1424 tmp |= (1 << 4);
1425 else if (sc->nrxpath == 2)
1426 tmp |= (1 << 3);
1427
1428 rt2860_io_bbp_write(sc, 3, tmp);
1429
1430 /* disable non-existing Tx chains */
1431
1432 tmp = rt2860_io_bbp_read(sc, 1);
1433
1434 tmp &= ~((1 << 4) | (1 << 3));
1435
1436 if (sc->ntxpath == 2)
1437 tmp |= (1 << 4);
1438
1439 rt2860_io_bbp_write(sc, 1, tmp);
1440
1441 /* set current channel */
1442
1443 rt2860_rf_set_chan(sc, ic->ic_curchan);
1444
1445 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1446 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1447 (48 << 16) | 96);
1448
1449 if ((sc->mac_rev & 0xffff) != 0x0101)
1450 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1451
1452 /* clear pending interrupts */
1453
1454 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1455
1456 /* enable interrupts */
1457
1458 tmp = RT2860_REG_INT_TX_COHERENT |
1459 RT2860_REG_INT_RX_COHERENT |
1460 RT2860_REG_INT_GP_TIMER |
1461 RT2860_REG_INT_AUTO_WAKEUP |
1462 RT2860_REG_INT_FIFO_STA_FULL |
1463 /*
1464 RT2860_REG_INT_PRE_TBTT |
1465 RT2860_REG_INT_TBTT |
1466 */
1467 RT2860_REG_INT_TXRX_COHERENT |
1468 RT2860_REG_INT_MCU_CMD |
1469 RT2860_REG_INT_TX_MGMT_DONE |
1470 RT2860_REG_INT_TX_HCCA_DONE |
1471 RT2860_REG_INT_TX_AC3_DONE |
1472 RT2860_REG_INT_TX_AC2_DONE |
1473 RT2860_REG_INT_TX_AC1_DONE |
1474 RT2860_REG_INT_TX_AC0_DONE |
1475 RT2860_REG_INT_RX_DONE;
1476
1477 sc->intr_enable_mask = tmp;
1478
1479 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1480
1481 if (rt2860_txrx_enable(sc) != 0)
1482 goto fail;
1483
1484 /* clear garbage interrupts */
1485
1486 tmp = rt2860_io_mac_read(sc, 0x1300);
1487
1488 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1489 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1490
1491 sc->periodic_round = 0;
1492
1493 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1494
1495 return;
1496
1497 fail:
1498
1499 rt2860_stop_locked(sc);
1500 }
1501
1502 /*
1503 * rt2860_init
1504 */
1505 static void rt2860_init(void *priv)
1506 {
1507 struct rt2860_softc *sc;
1508
1509 sc = priv;
1510
1511 RT2860_SOFTC_LOCK(sc);
1512
1513 rt2860_init_locked(sc);
1514
1515 RT2860_SOFTC_UNLOCK(sc);
1516 }
1517
1518 /*
1519 * rt2860_init_bbp
1520 */
1521 static int rt2860_init_bbp(struct rt2860_softc *sc)
1522 {
1523 int ntries, i;
1524 uint8_t tmp;
1525
1526 for (ntries = 0; ntries < 20; ntries++)
1527 {
1528 tmp = rt2860_io_bbp_read(sc, 0);
1529 if (tmp != 0x00 && tmp != 0xff)
1530 break;
1531 }
1532
1533 if (tmp == 0x00 || tmp == 0xff)
1534 {
1535 printf("%s: timeout waiting for BBP to wakeup\n",
1536 device_get_nameunit(sc->dev));
1537 return ETIMEDOUT;
1538 }
1539
1540 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1541 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1542 rt2860_def_bbp[i].val);
1543
1544 if ((sc->mac_rev & 0xffff) != 0x0101)
1545 rt2860_io_bbp_write(sc, 84, 0x19);
1546
1547 if (sc->mac_rev == 0x28600100)
1548 {
1549 rt2860_io_bbp_write(sc, 69, 0x16);
1550 rt2860_io_bbp_write(sc, 73, 0x12);
1551 }
1552
1553 return 0;
1554 }
1555
1556 /*
1557 * rt2860_stop_locked
1558 */
1559 static void rt2860_stop_locked(void *priv)
1560 {
1561 struct rt2860_softc *sc;
1562 struct ifnet *ifp;
1563 struct ieee80211com *ic;
1564 uint32_t tmp;
1565
1566 sc = priv;
1567 ifp = sc->ifp;
1568 ic = ifp->if_l2com;
1569
1570 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1571 "%s: stopping\n",
1572 device_get_nameunit(sc->dev));
1573
1574 RT2860_SOFTC_ASSERT_LOCKED(sc);
1575
1576 sc->tx_timer = 0;
1577
1578 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1579 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1580
1581 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1582
1583 callout_stop(&sc->periodic_ch);
1584 callout_stop(&sc->tx_watchdog_ch);
1585
1586 RT2860_SOFTC_UNLOCK(sc);
1587
1588 taskqueue_block(sc->taskqueue);
1589
1590 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1591 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1592 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1593 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1594
1595 RT2860_SOFTC_LOCK(sc);
1596
1597 /* clear key tables */
1598
1599 rt2860_asic_clear_keytables(sc);
1600
1601 /* disable interrupts */
1602
1603 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1604
1605 /* disable Tx/Rx */
1606
1607 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1608
1609 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1610
1611 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1612
1613 /* reset adapter */
1614
1615 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1616 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1617 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1618 }
1619
1620 /*
1621 * rt2860_stop
1622 */
1623 static void rt2860_stop(void *priv)
1624 {
1625 struct rt2860_softc *sc;
1626
1627 sc = priv;
1628
1629 RT2860_SOFTC_LOCK(sc);
1630
1631 rt2860_stop_locked(sc);
1632
1633 RT2860_SOFTC_UNLOCK(sc);
1634 }
1635
1636 /*
1637 * rt2860_start
1638 */
1639 static void rt2860_start(struct ifnet *ifp)
1640 {
1641 struct rt2860_softc *sc;
1642 struct ieee80211_node *ni;
1643 struct mbuf *m;
1644 int qid;
1645
1646 sc = ifp->if_softc;
1647
1648 RT2860_SOFTC_LOCK(sc);
1649
1650 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1651 {
1652 RT2860_SOFTC_UNLOCK(sc);
1653 return;
1654 }
1655
1656 for (;;)
1657 {
1658 IF_POLL(&ifp->if_snd, m);
1659 if (m == NULL)
1660 break;
1661
1662 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1663
1664 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1665
1666 qid = M_WME_GETAC(m);
1667
1668 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1669 {
1670 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1671 "%s: if_start: Tx ring with qid=%d is full\n",
1672 device_get_nameunit(sc->dev), qid);
1673
1674 m_freem(m);
1675 ieee80211_free_node(ni);
1676
1677 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1678 ifp->if_oerrors++;
1679
1680 sc->tx_data_queue_full[qid]++;
1681
1682 break;
1683 }
1684
1685 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1686 {
1687 ieee80211_free_node(ni);
1688
1689 ifp->if_oerrors++;
1690
1691 break;
1692 }
1693
1694 rt2860_drain_fifo_stats(sc);
1695
1696 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1697
1698 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1699 }
1700
1701 RT2860_SOFTC_UNLOCK(sc);
1702 }
1703
1704 /*
1705 * rt2860_ioctl
1706 */
1707 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1708 {
1709 struct rt2860_softc *sc;
1710 struct ieee80211com *ic;
1711 struct ifreq *ifr;
1712 int error, startall;
1713
1714 sc = ifp->if_softc;
1715 ic = ifp->if_l2com;
1716 ifr = (struct ifreq *) data;
1717
1718 error = 0;
1719
1720 switch (cmd)
1721 {
1722 case SIOCSIFFLAGS:
1723 startall = 0;
1724
1725 RT2860_SOFTC_LOCK(sc);
1726
1727 if (ifp->if_flags & IFF_UP)
1728 {
1729 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1730 {
1731 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1732 rt2860_asic_update_promisc(sc);
1733 }
1734 else
1735 {
1736 rt2860_init_locked(sc);
1737 startall = 1;
1738 }
1739 }
1740 else
1741 {
1742 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1743 rt2860_stop_locked(sc);
1744 }
1745
1746 sc->if_flags = ifp->if_flags;
1747
1748 RT2860_SOFTC_UNLOCK(sc);
1749
1750 if (startall)
1751 ieee80211_start_all(ic);
1752 break;
1753
1754 case SIOCGIFMEDIA:
1755 case SIOCSIFMEDIA:
1756 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1757 break;
1758
1759 case SIOCGIFADDR:
1760 error = ether_ioctl(ifp, cmd, data);
1761 break;
1762
1763 default:
1764 error = EINVAL;
1765 break;
1766 }
1767
1768 return error;
1769 }
1770
1771 /*
1772 * rt2860_vap_create
1773 */
1774 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1775 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1776 const uint8_t bssid[IEEE80211_ADDR_LEN],
1777 const uint8_t mac[IEEE80211_ADDR_LEN])
1778 {
1779 struct rt2860_softc *sc;
1780 struct ifnet *ifp;
1781 struct rt2860_softc_vap *rvap;
1782 struct ieee80211vap *vap;
1783
1784 ifp = ic->ic_ifp;
1785 sc = ifp->if_softc;
1786
1787 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1788 "%s: VAP create: opmode=%s\n",
1789 device_get_nameunit(sc->dev),
1790 ieee80211_opmode_name[opmode]);
1791
1792 switch (opmode)
1793 {
1794 case IEEE80211_M_MONITOR:
1795 case IEEE80211_M_IBSS:
1796 case IEEE80211_M_STA:
1797 case IEEE80211_M_AHDEMO:
1798 case IEEE80211_M_HOSTAP:
1799 case IEEE80211_M_MBSS:
1800 if (!TAILQ_EMPTY(&ic->ic_vaps))
1801 {
1802 if_printf(ifp, "only 1 VAP supported\n");
1803 return NULL;
1804 }
1805
1806 if (opmode == IEEE80211_M_STA)
1807 flags |= IEEE80211_CLONE_NOBEACONS;
1808 break;
1809
1810 case IEEE80211_M_WDS:
1811 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1812 {
1813 if_printf(ifp, "WDS only supported in AP mode\n");
1814 return NULL;
1815 }
1816
1817 flags &= ~IEEE80211_CLONE_BSSID;
1818 break;
1819
1820 default:
1821 if_printf(ifp, "unknown opmode %d\n", opmode);
1822 return NULL;
1823 }
1824
1825 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1826 M_80211_VAP, M_NOWAIT | M_ZERO);
1827 if (rvap == NULL)
1828 return NULL;
1829
1830 vap = &rvap->vap;
1831
1832 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1833
1834 rvap->newstate = vap->iv_newstate;
1835 vap->iv_newstate = rt2860_vap_newstate;
1836
1837 vap->iv_reset = rt2860_vap_reset;
1838 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1839 vap->iv_key_update_end = rt2860_vap_key_update_end;
1840 vap->iv_key_set = rt2860_vap_key_set;
1841 vap->iv_key_delete = rt2860_vap_key_delete;
1842 vap->iv_update_beacon = rt2860_vap_update_beacon;
1843
1844 rt2860_amrr_init(&rvap->amrr, vap,
1845 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1846 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1847 500);
1848
1849 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1850
1851 ic->ic_opmode = opmode;
1852
1853 return vap;
1854 }
1855
1856 /*
1857 * rt2860_vap_delete
1858 */
1859 static void rt2860_vap_delete(struct ieee80211vap *vap)
1860 {
1861 struct rt2860_softc *sc;
1862 struct ieee80211com *ic;
1863 struct ifnet *ifp;
1864 struct rt2860_softc_vap *rvap;
1865
1866 ic = vap->iv_ic;
1867 ifp = ic->ic_ifp;
1868 sc = ifp->if_softc;
1869 rvap = (struct rt2860_softc_vap *) vap;
1870
1871 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1872 "%s: VAP delete: opmode=%s\n",
1873 device_get_nameunit(sc->dev),
1874 ieee80211_opmode_name[vap->iv_opmode]);
1875
1876 rt2860_amrr_cleanup(&rvap->amrr);
1877
1878 ieee80211_vap_detach(vap);
1879
1880 free(rvap, M_80211_VAP);
1881 }
1882
1883 /*
1884 * rt2860_reset_vap
1885 */
1886 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1887 {
1888 struct rt2860_softc *sc;
1889 struct ieee80211com *ic;
1890 struct ifnet *ifp;
1891 struct rt2860_softc_vap *rvap;
1892 int error;
1893
1894 ic = vap->iv_ic;
1895 ifp = ic->ic_ifp;
1896 sc = ifp->if_softc;
1897 rvap = (struct rt2860_softc_vap *) vap;
1898
1899 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1900 "%s: VAP reset: cmd=%lu\n",
1901 device_get_nameunit(sc->dev), cmd);
1902
1903 error = 0;
1904
1905 switch (cmd)
1906 {
1907 case IEEE80211_IOC_RTSTHRESHOLD:
1908 rt2860_asic_update_rtsthreshold(sc);
1909 break;
1910
1911 case IEEE80211_IOC_PROTMODE:
1912 case IEEE80211_IOC_HTPROTMODE:
1913 rt2860_asic_updateprot(sc);
1914 break;
1915
1916 case IEEE80211_IOC_TXPOWER:
1917 rt2860_asic_update_txpower(sc);
1918 break;
1919
1920 case IEEE80211_IOC_SHORTGI:
1921 case IEEE80211_IOC_AMPDU_DENSITY:
1922 break;
1923
1924 default:
1925 error = ENETRESET;
1926 break;
1927 }
1928
1929 return error;
1930 }
1931
1932 /*
1933 * rt2860_vap_newstate
1934 */
1935 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1936 enum ieee80211_state nstate, int arg)
1937 {
1938 struct rt2860_softc *sc;
1939 struct ieee80211com *ic;
1940 struct ifnet *ifp;
1941 struct rt2860_softc_vap *rvap;
1942 struct ieee80211_node *ni;
1943 enum ieee80211_state ostate;
1944 int error;
1945
1946 ic = vap->iv_ic;
1947 ifp = ic->ic_ifp;
1948 sc = ifp->if_softc;
1949 rvap = (struct rt2860_softc_vap *) vap;
1950
1951 ostate = vap->iv_state;
1952
1953 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1954 "%s: VAP newstate: %s -> %s\n",
1955 device_get_nameunit(sc->dev),
1956 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1957
1958 error = rvap->newstate(vap, nstate, arg);
1959 if (error != 0)
1960 return error;
1961
1962 IEEE80211_UNLOCK(ic);
1963
1964 RT2860_SOFTC_LOCK(sc);
1965
1966 /* turn link LED off */
1967
1968 if (nstate != IEEE80211_S_RUN)
1969 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1970
1971 switch (nstate)
1972 {
1973 case IEEE80211_S_INIT:
1974 rt2860_asic_disable_tsf_sync(sc);
1975 break;
1976
1977 case IEEE80211_S_RUN:
1978 ni = vap->iv_bss;
1979
1980 rt2860_rf_set_chan(sc, ni->ni_chan);
1981
1982 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1983 {
1984 rt2860_asic_enable_mrr(sc);
1985 rt2860_asic_set_txpreamble(sc);
1986 rt2860_asic_set_basicrates(sc);
1987 rt2860_asic_update_txpower(sc);
1988 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1989 }
1990
1991 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1992 vap->iv_opmode == IEEE80211_M_IBSS ||
1993 vap->iv_opmode == IEEE80211_M_MBSS)
1994 {
1995 error = rt2860_asic_update_beacon(sc, vap);
1996 if (error != 0)
1997 break;
1998 }
1999
2000 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2001 rt2860_asic_enable_tsf_sync(sc);
2002
2003 /* turn link LED on */
2004
2005 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2006 {
2007 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2008 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2009 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2010 }
2011 break;
2012
2013 default:
2014 break;
2015 }
2016
2017 RT2860_SOFTC_UNLOCK(sc);
2018
2019 IEEE80211_LOCK(ic);
2020
2021 return error;
2022 }
2023
2024 /*
2025 * rt2860_vap_key_update_begin
2026 */
2027 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2028 {
2029 struct rt2860_softc *sc;
2030 struct ieee80211com *ic;
2031 struct ifnet *ifp;
2032
2033 ic = vap->iv_ic;
2034 ifp = ic->ic_ifp;
2035 sc = ifp->if_softc;
2036
2037 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2038 "%s: VAP key update begin\n",
2039 device_get_nameunit(sc->dev));
2040
2041 taskqueue_block(sc->taskqueue);
2042
2043 IF_LOCK(&ifp->if_snd);
2044 }
2045
2046 /*
2047 * rt2860_vap_key_update_end
2048 */
2049 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2050 {
2051 struct rt2860_softc *sc;
2052 struct ieee80211com *ic;
2053 struct ifnet *ifp;
2054
2055 ic = vap->iv_ic;
2056 ifp = ic->ic_ifp;
2057 sc = ifp->if_softc;
2058
2059 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2060 "%s: VAP key update end\n",
2061 device_get_nameunit(sc->dev));
2062
2063 IF_UNLOCK(&ifp->if_snd);
2064
2065 taskqueue_unblock(sc->taskqueue);
2066 }
2067
2068 /*
2069 * rt2860_vap_key_set
2070 */
2071 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2072 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2073 {
2074 struct rt2860_softc *sc;
2075 struct ieee80211com *ic;
2076 struct ifnet *ifp;
2077 struct ieee80211_node *ni;
2078 uint16_t associd, key_base, keymode_base;
2079 uint8_t mode, vapid, wcid, iv[8];
2080 uint32_t tmp;
2081
2082 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2083 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2084 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2085 return EINVAL;
2086
2087 ic = vap->iv_ic;
2088 ifp = ic->ic_ifp;
2089 sc = ifp->if_softc;
2090
2091 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2092 ni = vap->iv_bss;
2093 else
2094 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2095
2096 associd = (ni != NULL) ? ni->ni_associd : 0;
2097
2098 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2099 ieee80211_free_node(ni);
2100
2101 switch (k->wk_cipher->ic_cipher)
2102 {
2103 case IEEE80211_CIPHER_WEP:
2104 if(k->wk_keylen < 8)
2105 mode = RT2860_REG_CIPHER_MODE_WEP40;
2106 else
2107 mode = RT2860_REG_CIPHER_MODE_WEP104;
2108 break;
2109
2110 case IEEE80211_CIPHER_TKIP:
2111 mode = RT2860_REG_CIPHER_MODE_TKIP;
2112 break;
2113
2114 case IEEE80211_CIPHER_AES_CCM:
2115 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2116 break;
2117
2118 default:
2119 return EINVAL;
2120 }
2121
2122 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2123 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2124 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2125 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2126
2127 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2128 {
2129 /* install pairwise key */
2130
2131 vapid = 0;
2132 wcid = RT2860_AID2WCID(associd);
2133 key_base = RT2860_REG_PKEY(wcid);
2134
2135 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2136 {
2137 memset(iv, 0, 8);
2138
2139 iv[3] = (k->wk_keyix << 6);
2140 }
2141 else
2142 {
2143 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2144 {
2145 iv[0] = (k->wk_keytsc >> 8);
2146 iv[1] = ((iv[0] | 0x20) & 0x7f);
2147 iv[2] = k->wk_keytsc;
2148 }
2149 else
2150 {
2151 /* AES CCMP */
2152
2153 iv[0] = k->wk_keytsc;
2154 iv[1] = k->wk_keytsc >> 8;
2155 iv[2] = 0;
2156 }
2157
2158 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2159 iv[4] = (k->wk_keytsc >> 16);
2160 iv[5] = (k->wk_keytsc >> 24);
2161 iv[6] = (k->wk_keytsc >> 32);
2162 iv[7] = (k->wk_keytsc >> 40);
2163
2164 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2165 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2166 device_get_nameunit(sc->dev),
2167 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2168 }
2169
2170 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2171
2172 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2173 {
2174 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2175
2176 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2177 {
2178 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2179 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2180 }
2181 else
2182 {
2183 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2184 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2185 }
2186 }
2187 else
2188 {
2189 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2190 }
2191
2192 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2193 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2194
2195 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2196 }
2197
2198 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2199 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2200 {
2201 /* install group key */
2202
2203 vapid = 0;
2204 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2205 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2206
2207 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2208 {
2209 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2210
2211 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2212 {
2213 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2214 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2215 }
2216 else
2217 {
2218 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2219 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2220 }
2221 }
2222 else
2223 {
2224 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2225 }
2226
2227 tmp = rt2860_io_mac_read(sc, keymode_base);
2228
2229 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2230 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2231
2232 rt2860_io_mac_write(sc, keymode_base, tmp);
2233 }
2234
2235 return 1;
2236 }
2237
2238 /*
2239 * rt2860_vap_key_delete
2240 */
2241 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2242 const struct ieee80211_key *k)
2243 {
2244 struct rt2860_softc *sc;
2245 struct ieee80211com *ic;
2246 struct ifnet *ifp;
2247 struct ieee80211_node *ni;
2248 uint16_t associd;
2249 uint8_t vapid, wcid;
2250 uint32_t tmp;
2251
2252 ic = vap->iv_ic;
2253 ifp = ic->ic_ifp;
2254 sc = ifp->if_softc;
2255 ni = vap->iv_bss;
2256 associd = (ni != NULL) ? ni->ni_associd : 0;
2257
2258 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2259 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2260 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2261 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2262
2263 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2264 {
2265 /* remove pairwise key */
2266
2267 vapid = 0;
2268 wcid = RT2860_AID2WCID(associd);
2269
2270 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2271 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2272
2273 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2274 }
2275 else
2276 {
2277 /* remove group key */
2278
2279 vapid = 0;
2280
2281 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2282
2283 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2284 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2285
2286 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2287 }
2288
2289 return 1;
2290 }
2291
2292 /*
2293 * rt2860_vap_update_beacon
2294 */
2295 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2296 {
2297 struct rt2860_softc *sc;
2298 struct ieee80211com *ic;
2299 struct ifnet *ifp;
2300
2301 ic = vap->iv_ic;
2302 ifp = ic->ic_ifp;
2303 sc = ifp->if_softc;
2304
2305 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2306 "%s: VAP update beacon\n",
2307 device_get_nameunit(sc->dev));
2308
2309 rt2860_asic_update_beacon(sc, vap);
2310 }
2311
2312 /*
2313 * rt2860_media_change
2314 */
2315 static int rt2860_media_change(struct ifnet *ifp)
2316 {
2317 int error;
2318
2319 error = ieee80211_media_change(ifp);
2320
2321 return (error == ENETRESET ? 0 : error);
2322 }
2323
2324 /*
2325 * rt2860_node_alloc
2326 */
2327 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2328 const uint8_t mac[IEEE80211_ADDR_LEN])
2329 {
2330 return malloc(sizeof(struct rt2860_softc_node),
2331 M_80211_NODE, M_NOWAIT | M_ZERO);
2332 }
2333
2334 /*
2335 * rt2860_setregdomain
2336 */
2337 static int rt2860_setregdomain(struct ieee80211com *ic,
2338 struct ieee80211_regdomain *reg,
2339 int nchans, struct ieee80211_channel chans[])
2340 {
2341 struct rt2860_softc *sc;
2342 struct ifnet *ifp;
2343
2344 ifp = ic->ic_ifp;
2345 sc = ifp->if_softc;
2346
2347 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2348 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2349 device_get_nameunit(sc->dev),
2350 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2351
2352 return 0;
2353 }
2354
2355 /*
2356 * rt2860_getradiocaps
2357 */
2358 static void rt2860_getradiocaps(struct ieee80211com *ic,
2359 int maxchans, int *nchans, struct ieee80211_channel chans[])
2360 {
2361 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2362
2363 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2364 }
2365
2366 /*
2367 * rt2860_scan_start
2368 */
2369 static void rt2860_scan_start(struct ieee80211com *ic)
2370 {
2371 struct rt2860_softc *sc;
2372 struct ifnet *ifp;
2373
2374 ifp = ic->ic_ifp;
2375 sc = ifp->if_softc;
2376
2377 rt2860_asic_disable_tsf_sync(sc);
2378 }
2379
2380 /*
2381 * rt2860_scan_end
2382 */
2383 static void rt2860_scan_end(struct ieee80211com *ic)
2384 {
2385 struct rt2860_softc *sc;
2386 struct ifnet *ifp;
2387
2388 ifp = ic->ic_ifp;
2389 sc = ifp->if_softc;
2390
2391 rt2860_asic_enable_tsf_sync(sc);
2392 }
2393
2394 /*
2395 * rt2860_set_channel
2396 */
2397 static void rt2860_set_channel(struct ieee80211com *ic)
2398 {
2399 struct rt2860_softc *sc;
2400 struct ifnet *ifp;
2401
2402 ifp = ic->ic_ifp;
2403 sc = ifp->if_softc;
2404
2405 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2406 "%s: set channel: channel=%u, HT%s%s\n",
2407 device_get_nameunit(sc->dev),
2408 ieee80211_chan2ieee(ic, ic->ic_curchan),
2409 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2410 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2411 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2412 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2413
2414 RT2860_SOFTC_LOCK(sc);
2415
2416 rt2860_rf_set_chan(sc, ic->ic_curchan);
2417
2418 RT2860_SOFTC_UNLOCK(sc);
2419 }
2420
2421 /*
2422 * rt2860_newassoc
2423 */
2424 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2425 {
2426 struct rt2860_softc *sc;
2427 struct ieee80211com *ic;
2428 struct ifnet *ifp;
2429 struct ieee80211vap *vap;
2430 struct rt2860_softc_vap *rvap;
2431 uint16_t associd;
2432 uint8_t wcid;
2433
2434 vap = ni->ni_vap;
2435 ic = vap->iv_ic;
2436 ifp = ic->ic_ifp;
2437 sc = ifp->if_softc;
2438 rvap = (struct rt2860_softc_vap *) vap;
2439
2440 associd = (ni != NULL) ? ni->ni_associd : 0;
2441 wcid = RT2860_AID2WCID(associd);
2442
2443 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2444 "%s: new association: wcid=0x%02x, "
2445 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2446 device_get_nameunit(sc->dev), wcid,
2447 ether_sprintf(ni->ni_macaddr),
2448 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2449 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2450 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2451
2452 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2453 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2454
2455 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2456
2457 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2458 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2459 device_get_nameunit(sc->dev),
2460 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2461 ni->ni_associd, ni->ni_txrate,
2462 (ni->ni_flags & IEEE80211_NODE_HT) ?
2463 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2464 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2465
2466 rt2860_asic_updateprot(sc);
2467 rt2860_asic_updateslot(sc);
2468 rt2860_asic_set_txpreamble(sc);
2469 }
2470
2471 /*
2472 * rt2860_updateslot
2473 */
2474 static void rt2860_updateslot(struct ifnet *ifp)
2475 {
2476 struct rt2860_softc *sc;
2477
2478 sc = ifp->if_softc;
2479
2480 rt2860_asic_updateslot(sc);
2481 }
2482
2483 /*
2484 * rt2860_update_promisc
2485 */
2486 static void rt2860_update_promisc(struct ifnet *ifp)
2487 {
2488 struct rt2860_softc *sc;
2489
2490 sc = ifp->if_softc;
2491
2492 rt2860_asic_update_promisc(sc);
2493 }
2494
2495 /*
2496 * rt2860_update_mcast
2497 */
2498 static void rt2860_update_mcast(struct ifnet *ifp)
2499 {
2500 struct rt2860_softc *sc;
2501
2502 sc = ifp->if_softc;
2503 }
2504
2505 /*
2506 * rt2860_wme_update
2507 */
2508 static int rt2860_wme_update(struct ieee80211com *ic)
2509 {
2510 struct rt2860_softc *sc;
2511 struct ifnet *ifp;
2512
2513 ifp = ic->ic_ifp;
2514 sc = ifp->if_softc;
2515
2516 rt2860_asic_wme_update(sc);
2517
2518 return 0;
2519 }
2520
2521 /*
2522 * rt2860_raw_xmit
2523 */
2524 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2525 const struct ieee80211_bpf_params *params)
2526 {
2527 struct rt2860_softc *sc;
2528 struct ieee80211com *ic;
2529 struct ifnet *ifp;
2530
2531 ic = ni->ni_ic;
2532 ifp = ic->ic_ifp;
2533 sc = ifp->if_softc;
2534
2535 RT2860_SOFTC_LOCK(sc);
2536
2537 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2538 {
2539 RT2860_SOFTC_UNLOCK(sc);
2540
2541 m_freem(m);
2542 ieee80211_free_node(ni);
2543
2544 return ENETDOWN;
2545 }
2546
2547 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2548 {
2549 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2550 "%s: raw xmit: Tx ring with qid=%d is full\n",
2551 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2552
2553 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2554
2555 RT2860_SOFTC_UNLOCK(sc);
2556
2557 m_freem(m);
2558 ieee80211_free_node(ni);
2559
2560 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2561
2562 return ENOBUFS;
2563 }
2564
2565 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2566 {
2567 ifp->if_oerrors++;
2568
2569 RT2860_SOFTC_UNLOCK(sc);
2570
2571 ieee80211_free_node(ni);
2572
2573 return EIO;
2574 }
2575
2576 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2577
2578 RT2860_SOFTC_UNLOCK(sc);
2579
2580 return 0;
2581 }
2582
2583 /*
2584 * rt2860_recv_action
2585 */
2586 static int rt2860_recv_action(struct ieee80211_node *ni,
2587 const struct ieee80211_frame *wh,
2588 const uint8_t *frm, const uint8_t *efrm)
2589 {
2590 struct rt2860_softc *sc;
2591 struct ieee80211com *ic;
2592 struct ifnet *ifp;
2593 const struct ieee80211_action *ia;
2594 uint16_t associd, baparamset;
2595 uint8_t wcid;
2596 int ret, tid, bufsize;
2597 uint32_t tmp;
2598
2599 ic = ni->ni_ic;
2600 ifp = ic->ic_ifp;
2601 sc = ifp->if_softc;
2602
2603 ia = (const struct ieee80211_action *) frm;
2604
2605 ret = sc->recv_action(ni, wh, frm, efrm);
2606
2607 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2608 return ret;
2609
2610 associd = (ni != NULL) ? ni->ni_associd : 0;
2611 wcid = RT2860_AID2WCID(associd);
2612
2613 switch (ia->ia_action)
2614 {
2615 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2616 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2617 baparamset = LE_READ_2(frm + 3);
2618 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2619 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2620
2621 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2622 "%s: received ADDBA: associd=0x%04x, tid=%d, bufsize=%d\n",
2623 device_get_nameunit(sc->dev), associd, tid, bufsize);
2624
2625 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2626
2627 tmp |= (0x10000 << tid);
2628
2629 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2630 break;
2631
2632 /* IEEE80211_ACTION_BA_DELBA */
2633 case IEEE80211_ACTION_BA_DELBA:
2634 baparamset = LE_READ_2(frm + 2);
2635 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2636
2637 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2638 "%s: received DELBA: associd=0x%04x, tid=%d\n",
2639 device_get_nameunit(sc->dev), associd, tid);
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
2649 return ret;
2650 }
2651
2652 /*
2653 * rt2860_send_action
2654 */
2655 static int rt2860_send_action(struct ieee80211_node *ni,
2656 int cat, int act, void *sa)
2657 {
2658 struct rt2860_softc *sc;
2659 struct ieee80211com *ic;
2660 struct ifnet *ifp;
2661 uint16_t associd, *args, baparamset;
2662 uint8_t wcid;
2663 int ret, tid;
2664 uint32_t tmp;
2665
2666 ic = ni->ni_ic;
2667 ifp = ic->ic_ifp;
2668 sc = ifp->if_softc;
2669
2670 ret = sc->send_action(ni, cat, act, sa);
2671
2672 if (cat != IEEE80211_ACTION_CAT_BA)
2673 return ret;
2674
2675 associd = (ni != NULL) ? ni->ni_associd : 0;
2676 wcid = RT2860_AID2WCID(associd);
2677 args = sa;
2678
2679 switch (act)
2680 {
2681 /* IEEE80211_ACTION_BA_DELBA */
2682 case IEEE80211_ACTION_BA_DELBA:
2683 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2684
2685 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2686 break;
2687
2688 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2689
2690 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2691 "%s: sending DELBA: associd=0x%04x, tid=%d\n",
2692 device_get_nameunit(sc->dev), associd, tid);
2693
2694 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2695
2696 tmp &= ~(0x10000 << tid);
2697
2698 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2699 break;
2700 }
2701
2702 return ret;
2703 }
2704
2705 /*
2706 * rt2860_amrr_update_iter_func
2707 */
2708 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2709 {
2710 struct rt2860_softc *sc;
2711 struct ieee80211com *ic;
2712 struct ifnet *ifp;
2713 struct ieee80211vap *vap;
2714 struct rt2860_softc_vap *rvap;
2715 uint8_t wcid;
2716
2717 vap = arg;
2718 ic = vap->iv_ic;
2719 ifp = ic->ic_ifp;
2720 sc = ifp->if_softc;
2721 rvap = (struct rt2860_softc_vap *) vap;
2722
2723 /* only associated stations */
2724
2725 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2726 {
2727 wcid = RT2860_AID2WCID(ni->ni_associd);
2728
2729 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2730 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2731 device_get_nameunit(sc->dev),
2732 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2733
2734 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2735
2736 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2737 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2738 device_get_nameunit(sc->dev),
2739 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2740 ni->ni_associd, ni->ni_txrate,
2741 (ni->ni_flags & IEEE80211_NODE_HT) ?
2742 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2743 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2744 }
2745 }
2746
2747 /*
2748 * rt2860_periodic
2749 */
2750 static void rt2860_periodic(void *arg)
2751 {
2752 struct rt2860_softc *sc;
2753
2754 sc = arg;
2755
2756 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2757 "%s: periodic\n",
2758 device_get_nameunit(sc->dev));
2759
2760 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2761 }
2762
2763 /*
2764 * rt2860_tx_watchdog
2765 */
2766 static void rt2860_tx_watchdog(void *arg)
2767 {
2768 struct rt2860_softc *sc;
2769 struct ifnet *ifp;
2770
2771 sc = arg;
2772 ifp = sc->ifp;
2773
2774 if (sc->tx_timer == 0)
2775 return;
2776
2777 if (--sc->tx_timer == 0)
2778 {
2779 printf("%s: Tx watchdog timeout: resetting\n",
2780 device_get_nameunit(sc->dev));
2781
2782 rt2860_stop_locked(sc);
2783 rt2860_init_locked(sc);
2784
2785 ifp->if_oerrors++;
2786
2787 sc->tx_watchdog_timeouts++;
2788 }
2789
2790 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2791 }
2792
2793 /*
2794 * rt2860_asic_set_bssid
2795 */
2796 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2797 const uint8_t *bssid)
2798 {
2799 uint32_t tmp;
2800
2801 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2802 "%s: set bssid: bssid=%s\n",
2803 device_get_nameunit(sc->dev),
2804 ether_sprintf(bssid));
2805
2806 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2807
2808 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2809
2810 tmp = bssid[4] | (bssid[5] << 8);
2811
2812 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2813 }
2814
2815 /*
2816 * rt2860_asic_set_macaddr
2817 */
2818 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2819 const uint8_t *addr)
2820 {
2821 uint32_t tmp;
2822
2823 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2824
2825 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2826
2827 tmp = addr[4] | (addr[5] << 8);
2828
2829 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2830 }
2831
2832 /*
2833 * rt2860_asic_enable_tsf_sync
2834 */
2835 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2836 {
2837 struct ifnet *ifp;
2838 struct ieee80211com *ic;
2839 struct ieee80211vap *vap;
2840 uint32_t tmp;
2841
2842 ifp = sc->ifp;
2843 ic = ifp->if_l2com;
2844 vap = TAILQ_FIRST(&ic->ic_vaps);
2845
2846 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2847 "%s: enabling TSF\n",
2848 device_get_nameunit(sc->dev));
2849
2850 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2851
2852 tmp &= ~0x1fffff;
2853 tmp |= vap->iv_bss->ni_intval * 16;
2854 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2855
2856 if (vap->iv_opmode == IEEE80211_M_STA)
2857 {
2858 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2859 }
2860 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2861 {
2862 tmp |= RT2860_REG_BCN_TX_ENABLE;
2863 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2864 }
2865 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2866 {
2867 tmp |= RT2860_REG_BCN_TX_ENABLE;
2868 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2869 }
2870
2871 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2872 }
2873
2874 /*
2875 * rt2860_asic_disable_tsf_sync
2876 */
2877 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2878 {
2879 uint32_t tmp;
2880
2881 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2882 "%s: disabling TSF\n",
2883 device_get_nameunit(sc->dev));
2884
2885 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2886
2887 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2888 RT2860_REG_TSF_TIMER_ENABLE |
2889 RT2860_REG_TBTT_TIMER_ENABLE);
2890
2891 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2892 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2893
2894 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2895 }
2896
2897 /*
2898 * rt2860_asic_enable_mrr
2899 */
2900 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2901 {
2902 #define CCK(mcs) (mcs)
2903 #define OFDM(mcs) ((1 << 3) | (mcs))
2904 #define HT(mcs) (mcs)
2905
2906 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2907 (OFDM(6) << 28) | /* 54 -> 48 */
2908 (OFDM(5) << 24) | /* 48 -> 36 */
2909 (OFDM(4) << 20) | /* 36 -> 24 */
2910 (OFDM(3) << 16) | /* 24 -> 18 */
2911 (OFDM(2) << 12) | /* 18 -> 12 */
2912 (OFDM(1) << 8) | /* 12 -> 9 */
2913 (OFDM(0) << 4) | /* 9 -> 6 */
2914 OFDM(0)); /* 6 -> 6 */
2915
2916 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2917 (CCK(2) << 12) | /* 11 -> 5.5 */
2918 (CCK(1) << 8) | /* 5.5 -> 2 */
2919 (CCK(0) << 4) | /* 2 -> 1 */
2920 CCK(0)); /* 1 -> 1 */
2921
2922 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2923 (HT(6) << 28) |
2924 (HT(5) << 24) |
2925 (HT(4) << 20) |
2926 (HT(3) << 16) |
2927 (HT(2) << 12) |
2928 (HT(1) << 8) |
2929 (HT(0) << 4) |
2930 HT(0));
2931
2932 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2933 (HT(14) << 28) |
2934 (HT(13) << 24) |
2935 (HT(12) << 20) |
2936 (HT(11) << 16) |
2937 (HT(10) << 12) |
2938 (HT(9) << 8) |
2939 (HT(8) << 4) |
2940 HT(8));
2941
2942 #undef HT
2943 #undef OFDM
2944 #undef CCK
2945 }
2946
2947 /*
2948 * rt2860_asic_set_txpreamble
2949 */
2950 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2951 {
2952 struct ifnet *ifp;
2953 struct ieee80211com *ic;
2954 uint32_t tmp;
2955
2956 ifp = sc->ifp;
2957 ic = ifp->if_l2com;
2958
2959 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2960 "%s: %s short Tx preamble\n",
2961 device_get_nameunit(sc->dev),
2962 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2963
2964 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2965
2966 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
2967
2968 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2969 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
2970
2971 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
2972 }
2973
2974 /*
2975 * rt2860_asic_set_basicrates
2976 */
2977 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
2978 {
2979 struct ifnet *ifp;
2980 struct ieee80211com *ic;
2981
2982 ifp = sc->ifp;
2983 ic = ifp->if_l2com;
2984
2985 if (ic->ic_curmode == IEEE80211_MODE_11B)
2986 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
2987 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2988 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
2989 else
2990 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
2991 }
2992
2993 /*
2994 * rt2860_asic_update_rtsthreshold
2995 */
2996 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
2997 {
2998 struct ifnet *ifp;
2999 struct ieee80211com *ic;
3000 struct ieee80211vap *vap;
3001 uint32_t tmp;
3002 uint16_t threshold;
3003
3004 ifp = sc->ifp;
3005 ic = ifp->if_l2com;
3006 vap = TAILQ_FIRST(&ic->ic_vaps);
3007
3008 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3009 "%s: updating RTS threshold: %d\n",
3010 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3011
3012 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3013
3014 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3015
3016 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
3017 vap->iv_rtsthreshold : 0x1000;
3018
3019 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3020 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3021
3022 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3023 }
3024
3025 /*
3026 * rt2860_asic_update_txpower
3027 */
3028 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3029 {
3030 struct ifnet *ifp;
3031 struct ieee80211com *ic;
3032 uint32_t *txpow_rate;
3033 int8_t delta;
3034 uint8_t val;
3035 uint32_t tmp;
3036 int i;
3037
3038 ifp = sc->ifp;
3039 ic = ifp->if_l2com;
3040
3041 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3042 "%s: updating Tx power: %d\n",
3043 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3044
3045 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3046 {
3047 txpow_rate = sc->txpow_rate_20mhz;
3048 }
3049 else
3050 {
3051 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3052 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3053 else
3054 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3055 }
3056
3057 delta = 0;
3058
3059 val = rt2860_io_bbp_read(sc, 1);
3060 val &= 0xfc;
3061
3062 if (ic->ic_txpowlimit > 90)
3063 {
3064 /* do nothing */
3065 }
3066 else if (ic->ic_txpowlimit > 60)
3067 {
3068 delta -= 1;
3069 }
3070 else if (ic->ic_txpowlimit > 30)
3071 {
3072 delta -= 3;
3073 }
3074 else if (ic->ic_txpowlimit > 15)
3075 {
3076 val |= 0x1;
3077 }
3078 else if (ic->ic_txpowlimit > 9)
3079 {
3080 val |= 0x1;
3081 delta -= 3;
3082 }
3083 else
3084 {
3085 val |= 0x2;
3086 }
3087
3088 rt2860_io_bbp_write(sc, 1, val);
3089
3090 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3091 {
3092 if (txpow_rate[i] == 0xffffffff)
3093 continue;
3094
3095 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3096
3097 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3098 }
3099 }
3100
3101 /*
3102 * rt2860_asic_update_promisc
3103 */
3104 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3105 {
3106 struct ifnet *ifp;
3107 uint32_t tmp;
3108
3109 ifp = sc->ifp;
3110
3111 printf("%s: %s promiscuous mode\n",
3112 device_get_nameunit(sc->dev),
3113 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3114
3115 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3116
3117 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3118
3119 if (!(ifp->if_flags & IFF_PROMISC))
3120 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3121
3122 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3123 }
3124
3125 /*
3126 * rt2860_asic_updateprot
3127 */
3128 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3129 {
3130 struct ifnet *ifp;
3131 struct ieee80211com *ic;
3132 struct ieee80211vap *vap;
3133 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3134 uint8_t htopmode;
3135
3136 ifp = sc->ifp;
3137 ic = ifp->if_l2com;
3138 vap = TAILQ_FIRST(&ic->ic_vaps);
3139
3140 /* CCK frame protection */
3141
3142 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3143 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3144
3145 /* set up protection frame phy mode and rate (MCS code) */
3146
3147 if (ic->ic_curmode == IEEE80211_MODE_11A)
3148 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3149 (0 << RT2860_REG_PROT_MCS_SHIFT);
3150 else
3151 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3152 (3 << RT2860_REG_PROT_MCS_SHIFT));
3153
3154 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3155
3156 /* OFDM frame protection */
3157
3158 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3159 RT2860_REG_TXOP_ALLOW_ALL;
3160
3161 if (ic->ic_flags & IEEE80211_F_USEPROT)
3162 {
3163 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3164 "%s: updating protection mode: b/g protection mode=%s\n",
3165 device_get_nameunit(sc->dev),
3166 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3167 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3168
3169 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3170 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3171 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3172 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3173 else
3174 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3175 }
3176 else
3177 {
3178 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3179 "%s: updating protection mode: b/g protection mode=%s\n",
3180 device_get_nameunit(sc->dev), "none");
3181
3182 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3183 }
3184
3185 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3186
3187 /* HT frame protection */
3188
3189 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3190 htopmode = vap->iv_bss->ni_htopmode;
3191 else
3192 htopmode = ic->ic_curhtprotmode;
3193
3194 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3195 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3196 device_get_nameunit(sc->dev),
3197 htopmode & IEEE80211_HTINFO_OPMODE,
3198 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3199 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3200
3201 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3202 {
3203 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3204 case IEEE80211_HTINFO_OPMODE_HT20PR:
3205 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3206 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3207 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3208 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3209 (4 << RT2860_REG_PROT_MCS_SHIFT);
3210
3211 gf20_prot = mm20_prot;
3212
3213 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3214 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3215 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3216
3217 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3218 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3219 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3220 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3221 else
3222 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3223
3224 gf40_prot = mm40_prot;
3225 break;
3226
3227 /* IEEE80211_HTINFO_OPMODE_MIXED */
3228 case IEEE80211_HTINFO_OPMODE_MIXED:
3229 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3230 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3231 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3232
3233 if (ic->ic_flags & IEEE80211_F_USEPROT)
3234 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3235 (3 << RT2860_REG_PROT_MCS_SHIFT);
3236 else
3237 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3238 (4 << RT2860_REG_PROT_MCS_SHIFT);
3239
3240 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3241 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3242 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3243 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3244 else
3245 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3246
3247 gf20_prot = mm20_prot;
3248
3249 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3250
3251 if (ic->ic_flags & IEEE80211_F_USEPROT)
3252 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3253 (3 << RT2860_REG_PROT_MCS_SHIFT);
3254 else
3255 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3256 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3257
3258 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3259 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3260 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3261 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3262 else
3263 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3264
3265 gf40_prot = mm40_prot;
3266 break;
3267
3268 /*
3269 * IEEE80211_HTINFO_OPMODE_PURE
3270 * IEEE80211_HTINFO_OPMODE_PROTOPT
3271 */
3272 case IEEE80211_HTINFO_OPMODE_PURE:
3273 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3274 default:
3275 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3276 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3277 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3278 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3279 (4 << RT2860_REG_PROT_MCS_SHIFT);
3280
3281 gf20_prot = mm20_prot;
3282
3283 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3284 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 gf40_prot = mm40_prot;
3289 break;
3290 }
3291
3292 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3293 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3294 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3295 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3296 }
3297
3298 /*
3299 * rt2860_asic_updateslot
3300 */
3301 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3302 {
3303 struct ifnet *ifp;
3304 struct ieee80211com *ic;
3305 uint32_t tmp;
3306
3307 ifp = sc->ifp;
3308 ic = ifp->if_l2com;
3309
3310 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3311 "%s: %s short slot time\n",
3312 device_get_nameunit(sc->dev),
3313 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3314
3315 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3316
3317 tmp &= ~0xff;
3318 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3319
3320 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3321 }
3322
3323 /*
3324 * rt2860_asic_wme_update
3325 */
3326 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3327 {
3328 struct ifnet *ifp;
3329 struct ieee80211com *ic;
3330 struct ieee80211_wme_state *wme;
3331 const struct wmeParams *wmep;
3332 int i;
3333
3334 ifp = sc->ifp;
3335 ic = ifp->if_l2com;
3336 wme = &ic->ic_wme;
3337 wmep = wme->wme_chanParams.cap_wmeParams;
3338
3339 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3340 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3341 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3342 device_get_nameunit(sc->dev),
3343 wmep[WME_AC_VO].wmep_aifsn,
3344 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3345 wmep[WME_AC_VO].wmep_txopLimit,
3346 wmep[WME_AC_VI].wmep_aifsn,
3347 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3348 wmep[WME_AC_VI].wmep_txopLimit,
3349 wmep[WME_AC_BK].wmep_aifsn,
3350 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3351 wmep[WME_AC_BK].wmep_txopLimit,
3352 wmep[WME_AC_BE].wmep_aifsn,
3353 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3354 wmep[WME_AC_BE].wmep_txopLimit);
3355
3356 for (i = 0; i < WME_NUM_AC; i++)
3357 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3358 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3359 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3360
3361 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3362 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3363 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3364
3365 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3366 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3367 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3368
3369 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3370 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3371 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3372
3373 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3374 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3375
3376 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3377 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3378 }
3379
3380 /*
3381 * rt2860_asic_update_beacon
3382 */
3383 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3384 struct ieee80211vap *vap)
3385 {
3386 struct ifnet *ifp;
3387 struct ieee80211com *ic;
3388 struct rt2860_softc_vap *rvap;
3389 const struct ieee80211_txparam *tp;
3390 struct mbuf *m;
3391 struct rt2860_txwi txwi;
3392 uint8_t rate, mcs;
3393 uint32_t tmp;
3394
3395 ifp = sc->ifp;
3396 ic = ifp->if_l2com;
3397 rvap = (struct rt2860_softc_vap *) vap;
3398 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3399
3400 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3401 if (m == NULL)
3402 return ENOMEM;
3403
3404 rate = tp->mgmtrate;
3405 mcs = rt2860_rate2mcs(rate);
3406
3407 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3408
3409 txwi.wcid = 0xff;
3410 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3411 RT2860_TXWI_MPDU_LEN_SHIFT);
3412 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3413 txwi.mpdu_density_flags |=
3414 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3415 txwi.bawin_size_xflags |=
3416 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3417
3418 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3419 {
3420 txwi.phymode_ifs_stbc_shortgi =
3421 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3422
3423 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3424 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3425 }
3426 else
3427 {
3428 txwi.phymode_ifs_stbc_shortgi =
3429 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3430 }
3431
3432 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3433 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3434
3435 /* disable temporarily TSF sync */
3436
3437 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3438
3439 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3440 RT2860_REG_TSF_TIMER_ENABLE |
3441 RT2860_REG_TBTT_TIMER_ENABLE);
3442
3443 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3444
3445 /* write Tx wireless info and beacon frame to on-chip memory */
3446
3447 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3448 &txwi, sizeof(struct rt2860_txwi));
3449
3450 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3451 mtod(m, uint8_t *), m->m_pkthdr.len);
3452
3453 /* enable again TSF sync */
3454
3455 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3456
3457 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3458 RT2860_REG_TSF_TIMER_ENABLE |
3459 RT2860_REG_TBTT_TIMER_ENABLE);
3460
3461 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3462
3463 m_freem(m);
3464
3465 return 0;
3466 }
3467
3468 /*
3469 * rt2860_asic_clear_keytables
3470 */
3471 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3472 {
3473 int i;
3474
3475 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3476
3477 for (i = 0; i < 256; i++)
3478 {
3479 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3480 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3481 }
3482
3483 /* clear WCID attribute table (entries = 256, entry size = 4) */
3484
3485 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3486
3487 /* clear IV/EIV table (entries = 256, entry size = 8) */
3488
3489 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3490
3491 /* clear pairwise key table (entries = 256, entry size = 32) */
3492
3493 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3494
3495 /* clear shared key table (entries = 32, entry size = 32) */
3496
3497 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3498
3499 /* clear shared key mode (entries = 32, entry size = 2) */
3500
3501 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3502 }
3503
3504 /*
3505 * rt2860_rxrate
3506 */
3507 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3508 {
3509 uint8_t mcs, phymode;
3510 uint8_t rate;
3511
3512 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3513 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3514 RT2860_RXWI_PHYMODE_MASK;
3515
3516 rate = 2;
3517
3518 switch (phymode)
3519 {
3520 case RT2860_RXWI_PHYMODE_CCK:
3521 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3522 {
3523 case 0: rate = 2; break; /* 1 Mbps */
3524 case 1: rate = 4; break; /* 2 MBps */
3525 case 2: rate = 11; break; /* 5.5 Mbps */
3526 case 3: rate = 22; break; /* 11 Mbps */
3527 }
3528 break;
3529
3530 case RT2860_RXWI_PHYMODE_OFDM:
3531 switch (mcs)
3532 {
3533 case 0: rate = 12; break; /* 6 Mbps */
3534 case 1: rate = 18; break; /* 9 Mbps */
3535 case 2: rate = 24; break; /* 12 Mbps */
3536 case 3: rate = 36; break; /* 18 Mbps */
3537 case 4: rate = 48; break; /* 24 Mbps */
3538 case 5: rate = 72; break; /* 36 Mbps */
3539 case 6: rate = 96; break; /* 48 Mbps */
3540 case 7: rate = 108; break; /* 54 Mbps */
3541 }
3542 break;
3543
3544 case RT2860_RXWI_PHYMODE_HT_MIXED:
3545 case RT2860_RXWI_PHYMODE_HT_GF:
3546 break;
3547 }
3548
3549 return rate;
3550 }
3551
3552 /*
3553 * rt2860_maxrssi_rxpath
3554 */
3555 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3556 const struct rt2860_rxwi *rxwi)
3557 {
3558 uint8_t rxpath;
3559
3560 rxpath = 0;
3561
3562 if (sc->nrxpath > 1)
3563 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3564 rxpath = 1;
3565
3566 if (sc->nrxpath > 2)
3567 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3568 rxpath = 2;
3569
3570 return rxpath;
3571 }
3572
3573 /*
3574 * rt2860_rssi2dbm
3575 */
3576 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3577 uint8_t rssi, uint8_t rxpath)
3578 {
3579 struct ifnet *ifp;
3580 struct ieee80211com *ic;
3581 struct ieee80211_channel *c;
3582 int chan;
3583 int8_t rssi_off, lna_gain;
3584
3585 if (rssi == 0)
3586 return -99;
3587
3588 ifp = sc->ifp;
3589 ic = ifp->if_l2com;
3590 c = ic->ic_curchan;
3591 chan = ieee80211_chan2ieee(ic, c);
3592
3593 if (IEEE80211_IS_CHAN_5GHZ(c))
3594 {
3595 rssi_off = sc->rssi_off_5ghz[rxpath];
3596
3597 if (chan <= 64)
3598 lna_gain = sc->lna_gain[1];
3599 else if (chan <= 128)
3600 lna_gain = sc->lna_gain[2];
3601 else
3602 lna_gain = sc->lna_gain[3];
3603 }
3604 else
3605 {
3606 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3607 lna_gain = sc->lna_gain[0];
3608 }
3609
3610 return (-12 - rssi_off - lna_gain - rssi);
3611 }
3612
3613 /*
3614 * rt2860_rate2mcs
3615 */
3616 static uint8_t rt2860_rate2mcs(uint8_t rate)
3617 {
3618 switch (rate)
3619 {
3620 /* CCK rates */
3621 case 2: return 0;
3622 case 4: return 1;
3623 case 11: return 2;
3624 case 22: return 3;
3625
3626 /* OFDM rates */
3627 case 12: return 0;
3628 case 18: return 1;
3629 case 24: return 2;
3630 case 36: return 3;
3631 case 48: return 4;
3632 case 72: return 5;
3633 case 96: return 6;
3634 case 108: return 7;
3635 }
3636
3637 return 0;
3638 }
3639
3640 /*
3641 * rt2860_tx_mgmt
3642 */
3643 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3644 struct mbuf *m, struct ieee80211_node *ni, int qid)
3645 {
3646 struct ifnet *ifp;
3647 struct ieee80211com *ic;
3648 struct ieee80211vap *vap;
3649 const struct ieee80211_txparam *tp;
3650 struct rt2860_softc_node *rni;
3651 struct rt2860_softc_tx_ring *ring;
3652 struct rt2860_softc_tx_data *data;
3653 struct rt2860_txdesc *desc;
3654 struct rt2860_txwi *txwi;
3655 struct ieee80211_frame *wh;
3656 struct rt2860_softc_tx_radiotap_header *tap;
3657 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3658 u_int hdrsize, hdrspace;
3659 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3660 uint16_t len, dmalen, mpdu_len, dur;
3661 int error, ndmasegs, ndescs, i, j;
3662
3663 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3664 ("%s: Tx MGMT: invalid qid=%d\n",
3665 device_get_nameunit(sc->dev), qid));
3666
3667 ifp = sc->ifp;
3668 ic = ifp->if_l2com;
3669 vap = ni->ni_vap;
3670 rni = (struct rt2860_softc_node *) ni;
3671 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
3672
3673 ring = &sc->tx_ring[qid];
3674 desc = &ring->desc[ring->desc_cur];
3675 data = &ring->data[ring->data_cur];
3676 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3677
3678 wh = mtod(m, struct ieee80211_frame *);
3679
3680 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3681
3682 /* fill Tx wireless info */
3683
3684 if (ni->ni_flags & IEEE80211_NODE_HT)
3685 mcs = rate;
3686 else
3687 mcs = rt2860_rate2mcs(rate);
3688
3689 pid = mcs;
3690
3691 /* calculate MPDU length without padding */
3692
3693 hdrsize = ieee80211_hdrsize(wh);
3694 hdrspace = ieee80211_hdrspace(ic, wh);
3695 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3696
3697 memset(txwi, 0, sizeof(struct rt2860_txwi));
3698
3699 /* management frames do not need encryption */
3700
3701 txwi->wcid = 0xff;
3702
3703 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3704 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3705 RT2860_TXWI_MPDU_LEN_SHIFT);
3706
3707 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3708
3709 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3710 (ni->ni_flags & IEEE80211_NODE_HT);
3711
3712 txwi->phymode_ifs_stbc_shortgi |=
3713 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3714 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3715
3716 if (ni->ni_flags & IEEE80211_NODE_HT)
3717 {
3718 txwi->phymode_ifs_stbc_shortgi |=
3719 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3720 }
3721 else
3722 {
3723 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3724 {
3725 txwi->phymode_ifs_stbc_shortgi |=
3726 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3727
3728 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3729 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3730 }
3731 else
3732 {
3733 txwi->phymode_ifs_stbc_shortgi |=
3734 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3735 }
3736 }
3737
3738 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3739 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3740
3741 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3742
3743 /* skip ACKs for multicast frames and probe responses */
3744
3745 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3746 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3747 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3748 {
3749 txwi->bawin_size_xflags |=
3750 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3751
3752 if (ni->ni_flags & IEEE80211_NODE_HT)
3753 {
3754 /* preamble + plcp + signal extension */
3755
3756 dur = 16 + 4 + 6;
3757 }
3758 else
3759 {
3760 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3761 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3762 }
3763
3764 *(uint16_t *) wh->i_dur = htole16(dur);
3765 }
3766
3767 /* ask MAC to insert timestamp into probe responses */
3768
3769 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3770 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3771 txwi->mpdu_density_flags |=
3772 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3773
3774 if (ieee80211_radiotap_active_vap(vap))
3775 {
3776 tap = &sc->txtap;
3777
3778 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3779 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3780 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3781 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3782 tap->chan_maxpow = 0;
3783
3784 if (ni->ni_flags & IEEE80211_NODE_HT)
3785 tap->rate = mcs | IEEE80211_RATE_MCS;
3786 else
3787 tap->rate = rate;
3788
3789 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3790 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3791
3792 if (shortgi)
3793 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3794
3795 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3796 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3797
3798 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3799 {
3800 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3801
3802 ieee80211_radiotap_tx(vap, m);
3803
3804 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3805 }
3806 else
3807 {
3808 ieee80211_radiotap_tx(vap, m);
3809 }
3810 }
3811
3812 /* copy and trim 802.11 header */
3813
3814 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3815 m_adj(m, hdrspace);
3816
3817 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3818 dma_seg, &ndmasegs, 0);
3819 if (error != 0)
3820 {
3821 /* too many fragments, linearize */
3822
3823 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3824 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
3825 device_get_nameunit(sc->dev));
3826
3827 m = m_defrag(m, M_DONTWAIT);
3828 if (m == NULL)
3829 return ENOMEM;
3830
3831 sc->tx_defrag_packets++;
3832
3833 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3834 dma_seg, &ndmasegs, 0);
3835 if (error != 0)
3836 {
3837 printf("%s: could not load mbuf DMA map: error=%d\n",
3838 device_get_nameunit(sc->dev), error);
3839 m_freem(m);
3840 return error;
3841 }
3842 }
3843
3844 /* determine how many Tx descs are required */
3845
3846 ndescs = 1 + ndmasegs / 2;
3847 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3848 {
3849 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3850 "%s: there are not enough Tx descs\n",
3851 device_get_nameunit(sc->dev));
3852
3853 sc->no_tx_desc_avail++;
3854
3855 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3856 m_freem(m);
3857 return EFBIG;
3858 }
3859
3860 data->m = m;
3861 data->ni = ni;
3862
3863 /* set up Tx descs */
3864
3865 /* first segment is Tx wireless info and 802.11 header */
3866
3867 len = sizeof(struct rt2860_txwi) + hdrsize;
3868
3869 /* align end on a 4-bytes boundary */
3870
3871 dmalen = (len + 3) & ~ 3;
3872
3873 memset((caddr_t) txwi + len, 0, dmalen - len);
3874
3875 qsel = RT2860_TXDESC_QSEL_EDCA;
3876
3877 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3878 desc->sdl0 = htole16(dmalen);
3879 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3880
3881 /* set up payload segments */
3882
3883 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3884 {
3885 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3886 desc->sdl1 = htole16(dma_seg[j].ds_len);
3887
3888 ring->desc_queued++;
3889 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3890
3891 j++;
3892
3893 desc = &ring->desc[ring->desc_cur];
3894
3895 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3896 desc->sdl0 = htole16(dma_seg[j].ds_len);
3897 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3898
3899 j++;
3900 }
3901
3902 /* finalize last payload segment */
3903
3904 if (i > 0 && dma_seg[j].ds_len > 0)
3905 {
3906 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3907 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3908 }
3909 else
3910 {
3911 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3912 desc->sdl1 = 0;
3913 }
3914
3915 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3916 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3917 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3918 device_get_nameunit(sc->dev),
3919 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3920 stbc, shortgi, mcs, dmalen, ndmasegs,
3921 (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);
3922
3923 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3924 BUS_DMASYNC_PREWRITE);
3925 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3926 BUS_DMASYNC_PREWRITE);
3927 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3928 BUS_DMASYNC_PREWRITE);
3929
3930 ring->desc_queued++;
3931 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3932
3933 ring->data_queued++;
3934 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3935
3936 /* kick Tx */
3937
3938 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3939
3940 return 0;
3941 }
3942
3943 /*
3944 * rt2860_tx_data
3945 */
3946 static int rt2860_tx_data(struct rt2860_softc *sc,
3947 struct mbuf *m, struct ieee80211_node *ni, int qid)
3948 {
3949 struct ifnet *ifp;
3950 struct ieee80211com *ic;
3951 struct ieee80211vap *vap;
3952 const struct ieee80211_txparam *tp;
3953 struct rt2860_softc_node *rni;
3954 struct rt2860_softc_tx_ring *ring;
3955 struct rt2860_softc_tx_data *data;
3956 struct rt2860_txdesc *desc;
3957 struct rt2860_txwi *txwi;
3958 struct ieee80211_frame *wh;
3959 struct rt2860_softc_tx_radiotap_header *tap;
3960 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3961 u_int hdrsize, hdrspace;
3962 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, qsel;
3963 uint16_t qos, len, dmalen, mpdu_len, dur;
3964 int error, hasqos, ndmasegs, ndescs, i, j;
3965
3966 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3967 ("%s: Tx data: invalid qid=%d\n",
3968 device_get_nameunit(sc->dev), qid));
3969
3970 ifp = sc->ifp;
3971 ic = ifp->if_l2com;
3972 vap = ni->ni_vap;
3973 rni = (struct rt2860_softc_node *) ni;
3974 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
3975
3976 ring = &sc->tx_ring[qid];
3977 desc = &ring->desc[ring->desc_cur];
3978 data = &ring->data[ring->data_cur];
3979 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3980
3981 wh = mtod(m, struct ieee80211_frame *);
3982
3983 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3984
3985 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3986 if (hasqos)
3987 {
3988 if (IEEE80211_HAS_ADDR4(wh))
3989 qos = le16toh(*(const uint16_t *)
3990 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3991 else
3992 qos = le16toh(*(const uint16_t *)
3993 (((struct ieee80211_qosframe *) wh)->i_qos));
3994 }
3995 else
3996 {
3997 qos = 0;
3998 }
3999
4000 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4001 rate = tp->mcastrate;
4002 else if (m->m_flags & M_EAPOL)
4003 rate = tp->mgmtrate;
4004 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4005 rate = tp->ucastrate;
4006 else
4007 rate = ni->ni_txrate;
4008
4009 rate &= IEEE80211_RATE_VAL;
4010
4011 /* fill Tx wireless info */
4012
4013 if (ni->ni_flags & IEEE80211_NODE_HT)
4014 mcs = rate;
4015 else
4016 mcs = rt2860_rate2mcs(rate);
4017
4018 pid = mcs;
4019
4020 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4021 RT2860_AID2WCID(ni->ni_associd) : 0xff;
4022
4023 /* calculate MPDU length without padding */
4024
4025 hdrsize = ieee80211_hdrsize(wh);
4026 hdrspace = ieee80211_hdrspace(ic, wh);
4027 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4028
4029 memset(txwi, 0, sizeof(struct rt2860_txwi));
4030
4031 txwi->wcid = wcid;
4032
4033 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4034 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4035 RT2860_TXWI_MPDU_LEN_SHIFT);
4036
4037 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4038
4039 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4040 (ni->ni_flags & IEEE80211_NODE_HT);
4041
4042 txwi->phymode_ifs_stbc_shortgi |=
4043 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4044 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4045
4046 if (ni->ni_flags & IEEE80211_NODE_HT)
4047 {
4048 txwi->phymode_ifs_stbc_shortgi |=
4049 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4050 }
4051 else
4052 {
4053 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4054 {
4055 txwi->phymode_ifs_stbc_shortgi |=
4056 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4057
4058 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4059 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4060 }
4061 else
4062 {
4063 txwi->phymode_ifs_stbc_shortgi |=
4064 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4065 }
4066 }
4067
4068 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4069 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
4070 bw = RT2860_TXWI_BW_40;
4071 else
4072 bw = RT2860_TXWI_BW_20;
4073
4074 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4075 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4076
4077 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4078
4079 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4080 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4081 {
4082 txwi->bawin_size_xflags |=
4083 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4084
4085 if (ni->ni_flags & IEEE80211_NODE_HT)
4086 {
4087 /* preamble + plcp + signal extension */
4088
4089 dur = 16 + 4 + 6;
4090 }
4091 else
4092 {
4093 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4094 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4095 }
4096
4097 *(uint16_t *) wh->i_dur = htole16(dur);
4098 }
4099
4100 /* ask MAC to insert timestamp into probe responses */
4101
4102 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4103 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4104 txwi->mpdu_density_flags |=
4105 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4106
4107 if (ieee80211_radiotap_active_vap(vap))
4108 {
4109 tap = &sc->txtap;
4110
4111 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4112 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4113 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4114 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4115 tap->chan_maxpow = 0;
4116
4117 if (ni->ni_flags & IEEE80211_NODE_HT)
4118 tap->rate = mcs | IEEE80211_RATE_MCS;
4119 else
4120 tap->rate = rate;
4121
4122 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4123 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4124
4125 if (shortgi)
4126 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4127
4128 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4129 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4130
4131 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4132 {
4133 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4134
4135 ieee80211_radiotap_tx(vap, m);
4136
4137 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4138 }
4139 else
4140 {
4141 ieee80211_radiotap_tx(vap, m);
4142 }
4143 }
4144
4145 /* copy and trim 802.11 header */
4146
4147 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4148 m_adj(m, hdrspace);
4149
4150 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4151 dma_seg, &ndmasegs, 0);
4152 if (error != 0)
4153 {
4154 /* too many fragments, linearize */
4155
4156 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4157 "%s: could not load mbuf DMA map, trying to linearize mbuf\n",
4158 device_get_nameunit(sc->dev));
4159
4160 m = m_defrag(m, M_DONTWAIT);
4161 if (m == NULL)
4162 return ENOMEM;
4163
4164 sc->tx_defrag_packets++;
4165
4166 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4167 dma_seg, &ndmasegs, 0);
4168 if (error != 0)
4169 {
4170 printf("%s: could not load mbuf DMA map: error=%d\n",
4171 device_get_nameunit(sc->dev), error);
4172 m_freem(m);
4173 return error;
4174 }
4175 }
4176
4177 /* determine how many Tx descs are required */
4178
4179 ndescs = 1 + ndmasegs / 2;
4180 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4181 {
4182 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4183 "%s: there are not enough Tx descs\n",
4184 device_get_nameunit(sc->dev));
4185
4186 sc->no_tx_desc_avail++;
4187
4188 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4189 m_freem(m);
4190 return EFBIG;
4191 }
4192
4193 data->m = m;
4194 data->ni = ni;
4195
4196 /* set up Tx descs */
4197
4198 /* first segment is Tx wireless info and 802.11 header */
4199
4200 len = sizeof(struct rt2860_txwi) + hdrsize;
4201
4202 /* align end on a 4-bytes boundary */
4203
4204 dmalen = (len + 3) & ~ 3;
4205
4206 memset((caddr_t) txwi + len, 0, dmalen - len);
4207
4208 qsel = RT2860_TXDESC_QSEL_EDCA;
4209
4210 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4211 desc->sdl0 = htole16(dmalen);
4212 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4213
4214 /* set up payload segments */
4215
4216 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4217 {
4218 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4219 desc->sdl1 = htole16(dma_seg[j].ds_len);
4220
4221 ring->desc_queued++;
4222 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4223
4224 j++;
4225
4226 desc = &ring->desc[ring->desc_cur];
4227
4228 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4229 desc->sdl0 = htole16(dma_seg[j].ds_len);
4230 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4231
4232 j++;
4233 }
4234
4235 /* finalize last payload segment */
4236
4237 if (i > 0 && dma_seg[j].ds_len > 0)
4238 {
4239 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4240 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4241 }
4242 else
4243 {
4244 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4245 desc->sdl1 = 0;
4246 }
4247
4248 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4249 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4250 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4251 device_get_nameunit(sc->dev),
4252 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4253 bw, stbc, shortgi, mcs, wcid, dmalen, ndmasegs,
4254 (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);
4255
4256 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4257 BUS_DMASYNC_PREWRITE);
4258 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4259 BUS_DMASYNC_PREWRITE);
4260 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4261 BUS_DMASYNC_PREWRITE);
4262
4263 ring->desc_queued++;
4264 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4265
4266 ring->data_queued++;
4267 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4268
4269 /* kick Tx */
4270
4271 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4272
4273 return 0;
4274 }
4275
4276 /*
4277 * rt2860_tx_raw
4278 */
4279 static int rt2860_tx_raw(struct rt2860_softc *sc,
4280 struct mbuf *m, struct ieee80211_node *ni,
4281 const struct ieee80211_bpf_params *params)
4282 {
4283 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4284 "%s: Tx raw\n",
4285 device_get_nameunit(sc->dev));
4286
4287 return 0;
4288 }
4289
4290 /*
4291 * rt2860_intr
4292 */
4293 static void rt2860_intr(void *arg)
4294 {
4295 struct rt2860_softc *sc;
4296 struct ifnet *ifp;
4297 uint32_t status;
4298
4299 sc = arg;
4300 ifp = sc->ifp;
4301
4302 /* acknowledge interrupts */
4303
4304 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4305 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4306
4307 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4308 "%s: interrupt: status = 0x%08x\n",
4309 device_get_nameunit(sc->dev), status);
4310
4311 if (status == 0xffffffff || /* device likely went away */
4312 status == 0) /* not for us */
4313 return;
4314
4315 sc->interrupts++;
4316
4317 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4318 return;
4319
4320 if (status & RT2860_REG_INT_TX_COHERENT)
4321 rt2860_tx_coherent_intr(sc);
4322
4323 if (status & RT2860_REG_INT_RX_COHERENT)
4324 rt2860_rx_coherent_intr(sc);
4325
4326 if (status & RT2860_REG_INT_TXRX_COHERENT)
4327 rt2860_txrx_coherent_intr(sc);
4328
4329 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4330 rt2860_fifo_sta_full_intr(sc);
4331
4332 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4333 rt2860_tx_intr(sc, 5);
4334
4335 if (status & RT2860_REG_INT_RX_DONE)
4336 rt2860_rx_intr(sc);
4337
4338 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4339 rt2860_rx_delay_intr(sc);
4340
4341 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4342 rt2860_tx_intr(sc, 4);
4343
4344 if (status & RT2860_REG_INT_TX_AC3_DONE)
4345 rt2860_tx_intr(sc, 3);
4346
4347 if (status & RT2860_REG_INT_TX_AC2_DONE)
4348 rt2860_tx_intr(sc, 2);
4349
4350 if (status & RT2860_REG_INT_TX_AC1_DONE)
4351 rt2860_tx_intr(sc, 1);
4352
4353 if (status & RT2860_REG_INT_TX_AC0_DONE)
4354 rt2860_tx_intr(sc, 0);
4355
4356 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4357 rt2860_tx_delay_intr(sc);
4358
4359 if (status & RT2860_REG_INT_PRE_TBTT)
4360 rt2860_pre_tbtt_intr(sc);
4361
4362 if (status & RT2860_REG_INT_TBTT)
4363 rt2860_tbtt_intr(sc);
4364
4365 if (status & RT2860_REG_INT_MCU_CMD)
4366 rt2860_mcu_cmd_intr(sc);
4367
4368 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4369 rt2860_auto_wakeup_intr(sc);
4370
4371 if (status & RT2860_REG_INT_GP_TIMER)
4372 rt2860_gp_timer_intr(sc);
4373 }
4374
4375 /*
4376 * rt2860_tx_coherent_intr
4377 */
4378 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4379 {
4380 uint32_t tmp;
4381 int i;
4382
4383 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4384 "%s: Tx coherent interrupt\n",
4385 device_get_nameunit(sc->dev));
4386
4387 sc->tx_coherent_interrupts++;
4388
4389 /* restart DMA engine */
4390
4391 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4392
4393 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4394 RT2860_REG_RX_DMA_ENABLE |
4395 RT2860_REG_TX_DMA_ENABLE);
4396
4397 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4398
4399 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4400
4401 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4402 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4403
4404 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4405 {
4406 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4407 sc->tx_ring[i].desc_phys_addr);
4408 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4409 RT2860_SOFTC_TX_RING_DESC_COUNT);
4410 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4411 }
4412
4413 /* init Rx ring */
4414
4415 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4416
4417 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4418 sc->rx_ring.desc_phys_addr);
4419 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4420 RT2860_SOFTC_RX_RING_DATA_COUNT);
4421 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4422 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4423
4424 rt2860_txrx_enable(sc);
4425 }
4426
4427 /*
4428 * rt2860_rx_coherent_intr
4429 */
4430 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4431 {
4432 uint32_t tmp;
4433 int i;
4434
4435 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4436 "%s: Rx coherent interrupt\n",
4437 device_get_nameunit(sc->dev));
4438
4439 sc->rx_coherent_interrupts++;
4440
4441 /* restart DMA engine */
4442
4443 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4444
4445 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4446 RT2860_REG_RX_DMA_ENABLE |
4447 RT2860_REG_TX_DMA_ENABLE);
4448
4449 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4450
4451 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4452
4453 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4454 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4455
4456 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4457 {
4458 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4459 sc->tx_ring[i].desc_phys_addr);
4460 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4461 RT2860_SOFTC_TX_RING_DESC_COUNT);
4462 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4463 }
4464
4465 /* init Rx ring */
4466
4467 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4468
4469 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4470 sc->rx_ring.desc_phys_addr);
4471 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4472 RT2860_SOFTC_RX_RING_DATA_COUNT);
4473 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4474 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4475
4476 rt2860_txrx_enable(sc);
4477 }
4478
4479 /*
4480 * rt2860_txrx_coherent_intr
4481 */
4482 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4483 {
4484 uint32_t tmp;
4485 int i;
4486
4487 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4488 "%s: Tx/Rx coherent interrupt\n",
4489 device_get_nameunit(sc->dev));
4490
4491 sc->txrx_coherent_interrupts++;
4492
4493 /* restart DMA engine */
4494
4495 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4496
4497 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4498 RT2860_REG_RX_DMA_ENABLE |
4499 RT2860_REG_TX_DMA_ENABLE);
4500
4501 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4502
4503 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4504
4505 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4506 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4507
4508 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4509 {
4510 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4511 sc->tx_ring[i].desc_phys_addr);
4512 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4513 RT2860_SOFTC_TX_RING_DESC_COUNT);
4514 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4515 }
4516
4517 /* init Rx ring */
4518
4519 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4520
4521 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4522 sc->rx_ring.desc_phys_addr);
4523 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4524 RT2860_SOFTC_RX_RING_DATA_COUNT);
4525 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4526 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4527
4528 rt2860_txrx_enable(sc);
4529 }
4530
4531 /*
4532 * rt2860_fifo_sta_full_intr
4533 */
4534 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4535 {
4536 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4537 "%s: FIFO statistic full interrupt\n",
4538 device_get_nameunit(sc->dev));
4539
4540 sc->fifo_sta_full_interrupts++;
4541
4542 RT2860_SOFTC_LOCK(sc);
4543
4544 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4545 {
4546 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4547
4548 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4549 }
4550
4551 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4552
4553 RT2860_SOFTC_UNLOCK(sc);
4554 }
4555
4556 /*
4557 * rt2860_rx_intr
4558 */
4559 static void rt2860_rx_intr(struct rt2860_softc *sc)
4560 {
4561 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4562 "%s: Rx interrupt\n",
4563 device_get_nameunit(sc->dev));
4564
4565 sc->rx_interrupts++;
4566
4567 RT2860_SOFTC_LOCK(sc);
4568
4569 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4570 {
4571 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4572
4573 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4574 }
4575
4576 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4577
4578 RT2860_SOFTC_UNLOCK(sc);
4579 }
4580
4581 /*
4582 * rt2860_rx_delay_intr
4583 */
4584 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4585 {
4586 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4587 "%s: Rx delay interrupt\n",
4588 device_get_nameunit(sc->dev));
4589
4590 sc->rx_delay_interrupts++;
4591 }
4592
4593 /*
4594 * rt2860_tx_intr
4595 */
4596 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4597 {
4598 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4599 ("%s: Tx interrupt: invalid qid=%d\n",
4600 device_get_nameunit(sc->dev), qid));
4601
4602 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4603 "%s: Tx interrupt: qid=%d\n",
4604 device_get_nameunit(sc->dev), qid);
4605
4606 sc->tx_interrupts[qid]++;
4607
4608 RT2860_SOFTC_LOCK(sc);
4609
4610 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4611 {
4612 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4613
4614 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4615 }
4616
4617 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4618
4619 RT2860_SOFTC_UNLOCK(sc);
4620 }
4621
4622 /*
4623 * rt2860_tx_delay_intr
4624 */
4625 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4626 {
4627 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4628 "%s: Tx delay interrupt\n",
4629 device_get_nameunit(sc->dev));
4630
4631 sc->tx_delay_interrupts++;
4632 }
4633
4634 /*
4635 * rt2860_pre_tbtt_intr
4636 */
4637 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4638 {
4639 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4640 "%s: Pre-TBTT interrupt\n",
4641 device_get_nameunit(sc->dev));
4642
4643 sc->pre_tbtt_interrupts++;
4644 }
4645
4646 /*
4647 * rt2860_tbtt_intr
4648 */
4649 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4650 {
4651 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4652 "%s: TBTT interrupt\n",
4653 device_get_nameunit(sc->dev));
4654
4655 sc->tbtt_interrupts++;
4656 }
4657
4658 /*
4659 * rt2860_mcu_cmd_intr
4660 */
4661 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4662 {
4663 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4664 "%s: MCU command interrupt\n",
4665 device_get_nameunit(sc->dev));
4666
4667 sc->mcu_cmd_interrupts++;
4668 }
4669
4670 /*
4671 * rt2860_auto_wakeup_intr
4672 */
4673 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4674 {
4675 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4676 "%s: auto wakeup interrupt\n",
4677 device_get_nameunit(sc->dev));
4678
4679 sc->auto_wakeup_interrupts++;
4680 }
4681
4682 /*
4683 * rt2860_gp_timer_intr
4684 */
4685 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4686 {
4687 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4688 "%s: GP timer interrupt\n",
4689 device_get_nameunit(sc->dev));
4690
4691 sc->gp_timer_interrupts++;
4692 }
4693
4694 /*
4695 * rt2860_rx_done_task
4696 */
4697 static void rt2860_rx_done_task(void *context, int pending)
4698 {
4699 struct rt2860_softc *sc;
4700 struct ifnet *ifp;
4701 int again;
4702
4703 sc = context;
4704 ifp = sc->ifp;
4705
4706 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4707 "%s: Rx done task\n",
4708 device_get_nameunit(sc->dev));
4709
4710 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4711 return;
4712
4713 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4714
4715 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4716
4717 RT2860_SOFTC_LOCK(sc);
4718
4719 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4720 {
4721 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4722 "%s: Rx done task: scheduling again\n",
4723 device_get_nameunit(sc->dev));
4724
4725 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4726 }
4727 else
4728 {
4729 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4730 }
4731
4732 RT2860_SOFTC_UNLOCK(sc);
4733 }
4734
4735 /*
4736 * rt2860_tx_done_task
4737 */
4738 static void rt2860_tx_done_task(void *context, int pending)
4739 {
4740 struct rt2860_softc *sc;
4741 struct ifnet *ifp;
4742 uint32_t intr_mask;
4743 int i;
4744
4745 sc = context;
4746 ifp = sc->ifp;
4747
4748 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4749 "%s: Tx done task\n",
4750 device_get_nameunit(sc->dev));
4751
4752 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4753 return;
4754
4755 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4756 {
4757 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4758 {
4759 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4760
4761 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4762 }
4763 }
4764
4765 sc->tx_timer = 0;
4766
4767 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4768
4769 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4770 RT2860_REG_INT_TX_HCCA_DONE |
4771 RT2860_REG_INT_TX_AC3_DONE |
4772 RT2860_REG_INT_TX_AC2_DONE |
4773 RT2860_REG_INT_TX_AC1_DONE |
4774 RT2860_REG_INT_TX_AC0_DONE);
4775
4776 RT2860_SOFTC_LOCK(sc);
4777
4778 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4779 (sc->intr_disable_mask & intr_mask));
4780
4781 if (sc->intr_pending_mask & intr_mask)
4782 {
4783 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4784 "%s: Tx done task: scheduling again\n",
4785 device_get_nameunit(sc->dev));
4786
4787 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4788 }
4789
4790 RT2860_SOFTC_UNLOCK(sc);
4791 }
4792
4793 /*
4794 * rt2860_fifo_sta_full_task
4795 */
4796 static void rt2860_fifo_sta_full_task(void *context, int pending)
4797 {
4798 struct rt2860_softc *sc;
4799 struct ifnet *ifp;
4800
4801 sc = context;
4802 ifp = sc->ifp;
4803
4804 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4805 "%s: FIFO statistic full task\n",
4806 device_get_nameunit(sc->dev));
4807
4808 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4809 return;
4810
4811 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4812
4813 rt2860_drain_fifo_stats(sc);
4814
4815 RT2860_SOFTC_LOCK(sc);
4816
4817 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4818 {
4819 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4820 "%s: FIFO statistic full task: scheduling again\n",
4821 device_get_nameunit(sc->dev));
4822
4823 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4824 }
4825 else
4826 {
4827 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4828 }
4829
4830 RT2860_SOFTC_UNLOCK(sc);
4831 }
4832
4833 /*
4834 * rt2860_periodic_task
4835 */
4836 static void rt2860_periodic_task(void *context, int pending)
4837 {
4838 struct rt2860_softc *sc;
4839 struct ifnet *ifp;
4840 struct ieee80211com *ic;
4841 struct ieee80211vap *vap;
4842
4843 sc = context;
4844 ifp = sc->ifp;
4845 ic = ifp->if_l2com;
4846 vap = TAILQ_FIRST(&ic->ic_vaps);
4847
4848 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4849 "%s: periodic task: round=%lu\n",
4850 device_get_nameunit(sc->dev), sc->periodic_round);
4851
4852 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4853 return;
4854
4855 RT2860_SOFTC_LOCK(sc);
4856
4857 sc->periodic_round++;
4858
4859 rt2860_update_stats(sc);
4860
4861 if ((sc->periodic_round % 10) == 0)
4862 {
4863 rt2860_bbp_tuning(sc);
4864
4865 rt2860_update_raw_counters(sc);
4866
4867 rt2860_watchdog(sc);
4868
4869 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4870 {
4871 if (vap->iv_opmode == IEEE80211_M_STA)
4872 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
4873 else
4874 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
4875 }
4876 }
4877
4878 RT2860_SOFTC_UNLOCK(sc);
4879
4880 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4881 }
4882
4883 /*
4884 * rt2860_rx_eof
4885 */
4886 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4887 {
4888 struct ifnet *ifp;
4889 struct ieee80211com *ic;
4890 struct ieee80211_frame *wh;
4891 struct ieee80211_node *ni;
4892 struct rt2860_softc_rx_radiotap_header *tap;
4893 struct rt2860_softc_rx_ring *ring;
4894 struct rt2860_rxdesc *desc;
4895 struct rt2860_softc_rx_data *data;
4896 struct rt2860_rxwi *rxwi;
4897 struct mbuf *m, *mnew;
4898 bus_dma_segment_t segs[1];
4899 bus_dmamap_t dma_map;
4900 uint32_t index, desc_flags;
4901 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4902 int8_t rssi_dbm;
4903 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes;
4904
4905 ifp = sc->ifp;
4906 ic = ifp->if_l2com;
4907 ring = &sc->rx_ring;
4908
4909 nframes = 0;
4910
4911 while (limit != 0)
4912 {
4913 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4914 if (ring->cur == index)
4915 break;
4916
4917 desc = &ring->desc[ring->cur];
4918 desc_flags = le32toh(desc->flags);
4919 data = &ring->data[ring->cur];
4920
4921 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4922 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
4923
4924 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
4925 break;
4926
4927 nframes++;
4928
4929 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4930 if (mnew == NULL)
4931 {
4932 sc->rx_mbuf_alloc_errors++;
4933 ifp->if_ierrors++;
4934 goto skip;
4935 }
4936
4937 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
4938
4939 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
4940 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
4941 if (error != 0)
4942 {
4943 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4944 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
4945 device_get_nameunit(sc->dev), error, nsegs);
4946
4947 m_freem(mnew);
4948
4949 sc->rx_mbuf_dmamap_errors++;
4950 ifp->if_ierrors++;
4951
4952 goto skip;
4953 }
4954
4955 KASSERT(nsegs == 1, ("%s: too many DMA segments",
4956 device_get_nameunit(sc->dev)));
4957
4958 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4959 BUS_DMASYNC_POSTREAD);
4960 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4961
4962 dma_map = data->dma_map;
4963 data->dma_map = ring->spare_dma_map;
4964 ring->spare_dma_map = dma_map;
4965
4966 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4967 BUS_DMASYNC_PREREAD);
4968
4969 m = data->m;
4970
4971 data->m = mnew;
4972 desc->sdp0 = htole32(segs[0].ds_addr);
4973
4974 /* get Rx wireless info */
4975
4976 rxwi = mtod(m, struct rt2860_rxwi *);
4977 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
4978 RT2860_RXWI_SIZE_MASK;
4979
4980 /* check for L2 padding between IEEE 802.11 frame header and body */
4981
4982 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
4983 {
4984 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4985 "%s: L2 padding: len=%d\n",
4986 device_get_nameunit(sc->dev), len);
4987
4988 len += 2;
4989 }
4990
4991 m->m_pkthdr.rcvif = ifp;
4992 m->m_data = (caddr_t) (rxwi + 1);
4993 m->m_pkthdr.len = m->m_len = len;
4994
4995 /* check for crc errors */
4996
4997 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
4998 {
4999 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5000 "%s: rxdesc: crc error\n",
5001 device_get_nameunit(sc->dev));
5002
5003 ifp->if_ierrors++;
5004
5005 if (!(ifp->if_flags & IFF_PROMISC))
5006 {
5007 m_freem(m);
5008 goto skip;
5009 }
5010 }
5011
5012 wh = (struct ieee80211_frame *) (rxwi + 1);
5013
5014 /* check for cipher errors */
5015
5016 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5017 {
5018 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5019 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5020 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5021 {
5022 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5023 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5024
5025 m->m_flags |= M_WEP;
5026 }
5027 else
5028 {
5029 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5030 "%s: rxdesc: cipher error=0x%02x\n",
5031 device_get_nameunit(sc->dev), cipher_err);
5032
5033 ifp->if_ierrors++;
5034
5035 if (!(ifp->if_flags & IFF_PROMISC))
5036 {
5037 m_free(m);
5038 goto skip;
5039 }
5040 }
5041 }
5042 else
5043 {
5044 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5045 {
5046 ifp->if_ierrors++;
5047
5048 if (!(ifp->if_flags & IFF_PROMISC))
5049 {
5050 m_free(m);
5051 goto skip;
5052 }
5053 }
5054 }
5055
5056 /* check for A-MPDU */
5057
5058 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5059 {
5060 m->m_flags |= M_AMPDU;
5061
5062 sc->rx_ampdu++;
5063
5064 ampdu = 1;
5065 }
5066 else
5067 {
5068 ampdu = 0;
5069 }
5070
5071 /* check for A-MSDU */
5072
5073 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5074 {
5075 sc->rx_amsdu++;
5076
5077 amsdu = 1;
5078 }
5079 else
5080 {
5081 amsdu = 0;
5082 }
5083
5084 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5085 rssi = rxwi->rssi[ant];
5086 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5087 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5088 RT2860_RXWI_PHYMODE_MASK);
5089 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5090 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5091 RT2860_RXWI_SHORTGI_MASK);
5092 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5093
5094 if (ieee80211_radiotap_active(ic))
5095 {
5096 tap = &sc->rxtap;
5097
5098 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5099 tap->dbm_antsignal = rssi_dbm;
5100 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5101 tap->antenna = ant;
5102 tap->antsignal = rssi;
5103 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5104 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5105 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5106 tap->chan_maxpow = 0;
5107
5108 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5109 tap->rate = mcs | IEEE80211_RATE_MCS;
5110 else
5111 tap->rate = rt2860_rxrate(rxwi);
5112
5113 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5114 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5115
5116 if (shortgi)
5117 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5118 }
5119
5120 /*
5121 * net80211 assumes that RSSI data are in the range [-127..127] and
5122 * in .5 dBm units relative to the current noise floor
5123 */
5124
5125 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5126 if (rssi_dbm_rel > 127)
5127 rssi_dbm_rel = 127;
5128
5129 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5130 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5131 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5132 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5133 device_get_nameunit(sc->dev),
5134 len, phymode, bw, shortgi, mcs,
5135 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5136 rxwi->snr[0], rxwi->snr[1],
5137 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5138
5139 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5140 if (ni != NULL)
5141 {
5142 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5143 ieee80211_free_node(ni);
5144 }
5145 else
5146 {
5147 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5148 }
5149
5150 skip:
5151
5152 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5153
5154 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5155 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5156
5157 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5158
5159 limit--;
5160 }
5161
5162 if (ring->cur == 0)
5163 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5164 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5165 else
5166 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5167 ring->cur - 1);
5168
5169 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5170 "%s: Rx eof: nframes=%d\n",
5171 device_get_nameunit(sc->dev), nframes);
5172
5173 sc->rx_packets += nframes;
5174
5175 return (limit == 0);
5176 }
5177
5178 /*
5179 * rt2860_tx_eof
5180 */
5181 static void rt2860_tx_eof(struct rt2860_softc *sc,
5182 struct rt2860_softc_tx_ring *ring)
5183 {
5184 struct ifnet *ifp;
5185 struct rt2860_txdesc *desc;
5186 struct rt2860_softc_tx_data *data;
5187 uint32_t index;
5188 int ndescs, nframes;
5189
5190 ifp = sc->ifp;
5191
5192 ndescs = 0;
5193 nframes = 0;
5194
5195 for (;;)
5196 {
5197 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5198 if (ring->desc_next == index)
5199 break;
5200
5201 ndescs++;
5202
5203 rt2860_drain_fifo_stats(sc);
5204
5205 desc = &ring->desc[ring->desc_next];
5206
5207 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5208 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5209
5210 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5211 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5212 {
5213 nframes++;
5214
5215 data = &ring->data[ring->data_next];
5216
5217 if (data->m->m_flags & M_TXCB)
5218 ieee80211_process_callback(data->ni, data->m, 0);
5219
5220 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5221 BUS_DMASYNC_POSTWRITE);
5222 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5223
5224 m_freem(data->m);
5225
5226 ieee80211_free_node(data->ni);
5227
5228 data->m = NULL;
5229 data->ni = NULL;
5230
5231 ifp->if_opackets++;
5232
5233 RT2860_SOFTC_LOCK(sc);
5234
5235 ring->data_queued--;
5236 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5237
5238 RT2860_SOFTC_UNLOCK(sc);
5239 }
5240
5241 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5242
5243 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5244 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5245
5246 RT2860_SOFTC_LOCK(sc);
5247
5248 ring->desc_queued--;
5249 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5250
5251 RT2860_SOFTC_UNLOCK(sc);
5252 }
5253
5254 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5255 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5256 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5257 }
5258
5259 /*
5260 * rt2860_update_stats
5261 */
5262 static void rt2860_update_stats(struct rt2860_softc *sc)
5263 {
5264 struct ifnet *ifp;
5265 struct ieee80211com *ic;
5266 struct ieee80211vap *vap;
5267 struct ieee80211_node *ni;
5268 uint32_t stacnt[3];
5269 int beacons, noretryok, retryok, failed;
5270 uint16_t associd;
5271 uint8_t wcid;
5272
5273 ifp = sc->ifp;
5274 ic = ifp->if_l2com;
5275 vap = TAILQ_FIRST(&ic->ic_vaps);
5276
5277 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5278 "%s: update statistic\n",
5279 device_get_nameunit(sc->dev));
5280
5281 rt2860_drain_fifo_stats(sc);
5282
5283 /* read and clear Tx statistic registers */
5284
5285 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5286 stacnt, sizeof(stacnt));
5287
5288 stacnt[0] = le32toh(stacnt[0]);
5289 stacnt[1] = le32toh(stacnt[1]);
5290 stacnt[2] = le32toh(stacnt[2]);
5291
5292 beacons = stacnt[0] >> 16;
5293 noretryok = stacnt[1] & 0xffff;
5294 retryok = stacnt[1] >> 16;
5295 failed = stacnt[0] & 0xffff;
5296
5297 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5298 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
5299 device_get_nameunit(sc->dev),
5300 beacons, noretryok, retryok, failed);
5301
5302 ifp->if_oerrors += failed;
5303
5304 sc->tx_beacons += beacons;
5305 sc->tx_noretryok += noretryok;
5306 sc->tx_retryok += retryok;
5307 sc->tx_failed += failed;
5308
5309 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5310 {
5311 ni = vap->iv_bss;
5312
5313 associd = (ni != NULL) ? ni->ni_associd : 0;
5314 wcid = RT2860_AID2WCID(associd);
5315
5316 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5317 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5318 }
5319 }
5320
5321 /*
5322 * rt2860_bbp_tuning
5323 */
5324 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5325 {
5326 struct ifnet *ifp;
5327 struct ieee80211com *ic;
5328 struct ieee80211vap *vap;
5329 struct ieee80211_node *ni;
5330 int chan, group;
5331 int8_t rssi, old, new;
5332
5333 /* RT2860C does not support BBP tuning */
5334
5335 if (sc->mac_rev == 0x28600100)
5336 return;
5337
5338 ifp = sc->ifp;
5339 ic = ifp->if_l2com;
5340 vap = TAILQ_FIRST(&ic->ic_vaps);
5341
5342 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5343 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5344 return;
5345
5346 ni = vap->iv_bss;
5347
5348 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5349
5350 if (chan <= 14)
5351 group = 0;
5352 else if (chan <= 64)
5353 group = 1;
5354 else if (chan <= 128)
5355 group = 2;
5356 else
5357 group = 3;
5358
5359 rssi = ieee80211_getrssi(vap);
5360
5361 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5362 {
5363 new = 0x2e + sc->lna_gain[group];
5364 }
5365 else
5366 {
5367 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5368 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5369 else
5370 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5371 }
5372
5373 /* Tune if absolute average RSSI is greater than -80 */
5374
5375 if (rssi > 30)
5376 new += 0x10;
5377
5378 old = rt2860_io_bbp_read(sc, 66);
5379
5380 if (old != new)
5381 rt2860_io_bbp_write(sc, 66, new);
5382 }
5383
5384 /*
5385 * rt2860_watchdog
5386 */
5387 static void rt2860_watchdog(struct rt2860_softc *sc)
5388 {
5389 uint32_t tmp;
5390 int ntries;
5391
5392 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5393
5394 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5395 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5396 device_get_nameunit(sc->dev), tmp);
5397
5398 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5399 {
5400 sc->tx_queue_not_empty[0]++;
5401
5402 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5403
5404 for (ntries = 0; ntries < 10; ntries++)
5405 {
5406 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5407 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5408 break;
5409
5410 DELAY(1);
5411 }
5412
5413 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5414 }
5415
5416 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5417 {
5418 sc->tx_queue_not_empty[1]++;
5419
5420 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5421
5422 for (ntries = 0; ntries < 10; ntries++)
5423 {
5424 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5425 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5426 break;
5427
5428 DELAY(1);
5429 }
5430
5431 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5432 }
5433 }
5434
5435 /*
5436 * rt2860_drain_fifo_stats
5437 */
5438 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5439 {
5440 struct ifnet *ifp;
5441 uint32_t stats;
5442 uint8_t wcid, mcs, pid;
5443 int ok, retrycnt;
5444
5445 ifp = sc->ifp;
5446
5447 /* drain Tx status FIFO (maxsize = 16) */
5448
5449 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5450 RT2860_REG_TX_STA_FIFO_VALID)
5451 {
5452 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5453 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5454
5455 /* if no ACK was requested, no feedback is available */
5456
5457 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5458 continue;
5459
5460 /* update AMRR statistic */
5461
5462 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5463 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5464 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5465 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5466 RT2860_REG_TX_STA_FIFO_PID_MASK;
5467 retrycnt = pid - mcs;
5468
5469 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5470 "%s: FIFO statistic: wcid=0x%02x, ok=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5471 device_get_nameunit(sc->dev),
5472 wcid, ok, mcs, pid, retrycnt);
5473
5474 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5475
5476 if (!ok)
5477 ifp->if_oerrors++;
5478 }
5479 }
5480
5481 /*
5482 * rt2860_update_raw_counters
5483 */
5484 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5485 {
5486 uint32_t tmp;
5487
5488 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5489
5490 sc->tx_nonagg += tmp & 0xffff;
5491 sc->tx_agg += tmp >> 16;
5492
5493 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5494
5495 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5496
5497 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5498
5499 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5500
5501 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5502
5503 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5504
5505 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5506
5507 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5508
5509 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5510
5511 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5512
5513 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5514
5515 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5516
5517 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5518
5519 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5520
5521 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5522
5523 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5524
5525 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5526
5527 sc->rx_crc_errors += tmp & 0xffff;
5528 sc->rx_phy_errors += tmp >> 16;
5529
5530 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5531
5532 sc->rx_false_ccas += tmp & 0xffff;
5533 sc->rx_plcp_errors += tmp >> 16;
5534
5535 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5536
5537 sc->rx_dup_packets += tmp & 0xffff;
5538 sc->rx_fifo_overflows += tmp >> 16;
5539 }
5540
5541 /*
5542 * rt2860_intr_enable
5543 */
5544 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5545 {
5546 uint32_t tmp;
5547
5548 sc->intr_disable_mask &= ~intr_mask;
5549
5550 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5551
5552 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5553 }
5554
5555 /*
5556 * rt2860_intr_disable
5557 */
5558 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5559 {
5560 uint32_t tmp;
5561
5562 sc->intr_disable_mask |= intr_mask;
5563
5564 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5565
5566 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5567 }
5568
5569 /*
5570 * rt2860_txrx_enable
5571 */
5572 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5573 {
5574 struct ieee80211com *ic;
5575 struct ifnet *ifp;
5576 uint32_t tmp;
5577 int ntries;
5578
5579 ifp = sc->ifp;
5580 ic = ifp->if_l2com;
5581
5582 /* enable Tx/Rx DMA engine */
5583
5584 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5585
5586 for (ntries = 0; ntries < 200; ntries++)
5587 {
5588 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5589 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5590 break;
5591
5592 DELAY(1000);
5593 }
5594
5595 if (ntries == 200)
5596 {
5597 printf("%s: timeout waiting for DMA engine\n",
5598 device_get_nameunit(sc->dev));
5599 return -1;
5600 }
5601
5602 DELAY(50);
5603
5604 tmp |= RT2860_REG_TX_WB_DDONE |
5605 RT2860_REG_RX_DMA_ENABLE |
5606 RT2860_REG_TX_DMA_ENABLE |
5607 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5608
5609 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5610
5611 /* set Rx filter */
5612
5613 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5614 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5615
5616 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5617 {
5618 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5619 RT2860_REG_RX_FILTER_DROP_CTS |
5620 RT2860_REG_RX_FILTER_DROP_BA |
5621 RT2860_REG_RX_FILTER_DROP_ACK |
5622 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5623 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5624 RT2860_REG_RX_FILTER_DROP_CFACK |
5625 RT2860_REG_RX_FILTER_DROP_CFEND;
5626
5627 if (ic->ic_opmode == IEEE80211_M_STA)
5628 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5629 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5630
5631 if (!(ifp->if_flags & IFF_PROMISC))
5632 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5633 }
5634
5635 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5636
5637 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5638 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5639
5640 return 0;
5641 }
5642
5643 /*
5644 * rt2860_alloc_rx_ring
5645 */
5646 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5647 struct rt2860_softc_rx_ring *ring)
5648 {
5649 struct rt2860_rxdesc *desc;
5650 struct rt2860_softc_rx_data *data;
5651 bus_dma_segment_t segs[1];
5652 int i, nsegs, error;
5653
5654 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5655 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5656 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5657 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5658 0, NULL, NULL, &ring->desc_dma_tag);
5659 if (error != 0)
5660 {
5661 printf("%s: could not create Rx desc DMA tag\n",
5662 device_get_nameunit(sc->dev));
5663 goto fail;
5664 }
5665
5666 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5667 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5668 if (error != 0)
5669 {
5670 printf("%s: could not allocate Rx desc DMA memory\n",
5671 device_get_nameunit(sc->dev));
5672 goto fail;
5673 }
5674
5675 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5676 ring->desc,
5677 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5678 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5679 if (error != 0)
5680 {
5681 printf("%s: could not load Rx desc DMA map\n",
5682 device_get_nameunit(sc->dev));
5683 goto fail;
5684 }
5685
5686 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5687 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5688 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5689 &ring->data_dma_tag);
5690 if (error != 0)
5691 {
5692 printf("%s: could not create Rx data DMA tag\n",
5693 device_get_nameunit(sc->dev));
5694 goto fail;
5695 }
5696
5697 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5698 {
5699 desc = &ring->desc[i];
5700 data = &ring->data[i];
5701
5702 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5703 if (error != 0)
5704 {
5705 printf("%s: could not create Rx data DMA map\n",
5706 device_get_nameunit(sc->dev));
5707 goto fail;
5708 }
5709
5710 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5711 if (data->m == NULL)
5712 {
5713 printf("%s: could not allocate Rx mbuf\n",
5714 device_get_nameunit(sc->dev));
5715 error = ENOMEM;
5716 goto fail;
5717 }
5718
5719 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5720
5721 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5722 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5723 if (error != 0)
5724 {
5725 printf("%s: could not load Rx mbuf DMA map\n",
5726 device_get_nameunit(sc->dev));
5727 goto fail;
5728 }
5729
5730 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5731 device_get_nameunit(sc->dev)));
5732
5733 desc->sdp0 = htole32(segs[0].ds_addr);
5734 desc->sdl0 = htole16(MJUMPAGESIZE);
5735 }
5736
5737 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5738 if (error != 0)
5739 {
5740 printf("%s: could not create Rx spare DMA map\n",
5741 device_get_nameunit(sc->dev));
5742 goto fail;
5743 }
5744
5745 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5746 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5747
5748 return 0;
5749
5750 fail:
5751
5752 rt2860_free_rx_ring(sc, ring);
5753
5754 return error;
5755 }
5756
5757 /*
5758 * rt2860_reset_rx_ring
5759 */
5760 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5761 struct rt2860_softc_rx_ring *ring)
5762 {
5763 struct rt2860_rxdesc *desc;
5764 int i;
5765
5766 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5767 {
5768 desc = &ring->desc[i];
5769
5770 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5771 }
5772
5773 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5774 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5775
5776 ring->cur = 0;
5777 }
5778
5779 /*
5780 * rt2860_free_rx_ring
5781 */
5782 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5783 struct rt2860_softc_rx_ring *ring)
5784 {
5785 struct rt2860_softc_rx_data *data;
5786 int i;
5787
5788 if (ring->desc != NULL)
5789 {
5790 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5791 BUS_DMASYNC_POSTWRITE);
5792 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5793 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5794 ring->desc_dma_map);
5795 }
5796
5797 if (ring->desc_dma_tag != NULL)
5798 bus_dma_tag_destroy(ring->desc_dma_tag);
5799
5800 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5801 {
5802 data = &ring->data[i];
5803
5804 if (data->m != NULL)
5805 {
5806 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5807 BUS_DMASYNC_POSTREAD);
5808 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5809 m_freem(data->m);
5810 }
5811
5812 if (data->dma_map != NULL)
5813 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5814 }
5815
5816 if (ring->spare_dma_map != NULL)
5817 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5818
5819 if (ring->data_dma_tag != NULL)
5820 bus_dma_tag_destroy(ring->data_dma_tag);
5821 }
5822
5823 /*
5824 * rt2860_alloc_tx_ring
5825 */
5826 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5827 struct rt2860_softc_tx_ring *ring, int qid)
5828 {
5829 struct rt2860_softc_tx_data *data;
5830 int error, i;
5831
5832 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5833 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5834 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5835 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5836 0, NULL, NULL, &ring->desc_dma_tag);
5837 if (error != 0)
5838 {
5839 printf("%s: could not create Tx desc DMA tag\n",
5840 device_get_nameunit(sc->dev));
5841 goto fail;
5842 }
5843
5844 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5845 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5846 if (error != 0)
5847 {
5848 printf("%s: could not allocate Tx desc DMA memory\n",
5849 device_get_nameunit(sc->dev));
5850 goto fail;
5851 }
5852
5853 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5854 ring->desc,
5855 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5856 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5857 if (error != 0)
5858 {
5859 printf("%s: could not load Tx desc DMA map\n",
5860 device_get_nameunit(sc->dev));
5861 goto fail;
5862 }
5863
5864 ring->desc_queued = 0;
5865 ring->desc_cur = 0;
5866 ring->desc_next = 0;
5867
5868 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5869 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5870 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5871 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5872 0, NULL, NULL, &ring->seg0_dma_tag);
5873 if (error != 0)
5874 {
5875 printf("%s: could not create Tx seg0 DMA tag\n",
5876 device_get_nameunit(sc->dev));
5877 goto fail;
5878 }
5879
5880 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5881 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5882 if (error != 0)
5883 {
5884 printf("%s: could not allocate Tx seg0 DMA memory\n",
5885 device_get_nameunit(sc->dev));
5886 goto fail;
5887 }
5888
5889 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5890 ring->seg0,
5891 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5892 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5893 if (error != 0)
5894 {
5895 printf("%s: could not load Tx seg0 DMA map\n",
5896 device_get_nameunit(sc->dev));
5897 goto fail;
5898 }
5899
5900 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5901 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5902 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5903 &ring->data_dma_tag);
5904 if (error != 0)
5905 {
5906 printf("%s: could not create Tx data DMA tag\n",
5907 device_get_nameunit(sc->dev));
5908 goto fail;
5909 }
5910
5911 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5912 {
5913 data = &ring->data[i];
5914
5915 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5916 if (error != 0)
5917 {
5918 printf("%s: could not create Tx data DMA map\n",
5919 device_get_nameunit(sc->dev));
5920 goto fail;
5921 }
5922 }
5923
5924 ring->data_queued = 0;
5925 ring->data_cur = 0;
5926 ring->data_next = 0;
5927
5928 ring->qid = qid;
5929
5930 return 0;
5931
5932 fail:
5933
5934 rt2860_free_tx_ring(sc, ring);
5935
5936 return error;
5937 }
5938
5939 /*
5940 * rt2860_reset_tx_ring
5941 */
5942 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
5943 struct rt2860_softc_tx_ring *ring)
5944 {
5945 struct rt2860_softc_tx_data *data;
5946 struct rt2860_txdesc *desc;
5947 int i;
5948
5949 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
5950 {
5951 desc = &ring->desc[i];
5952
5953 desc->sdl0 = 0;
5954 desc->sdl1 = 0;
5955 }
5956
5957 ring->desc_queued = 0;
5958 ring->desc_cur = 0;
5959 ring->desc_next = 0;
5960
5961 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5962 BUS_DMASYNC_PREWRITE);
5963
5964 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
5965 BUS_DMASYNC_PREWRITE);
5966
5967 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
5968 {
5969 data = &ring->data[i];
5970
5971 if (data->m != NULL)
5972 {
5973 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5974 BUS_DMASYNC_POSTWRITE);
5975 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5976 m_freem(data->m);
5977 data->m = NULL;
5978 }
5979
5980 if (data->ni != NULL)
5981 {
5982 ieee80211_free_node(data->ni);
5983 data->ni = NULL;
5984 }
5985 }
5986
5987 ring->data_queued = 0;
5988 ring->data_cur = 0;
5989 ring->data_next = 0;
5990 }
5991
5992 /*
5993 * rt2860_free_tx_ring
5994 */
5995 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
5996 struct rt2860_softc_tx_ring *ring)
5997 {
5998 struct rt2860_softc_tx_data *data;
5999 int i;
6000
6001 if (ring->desc != NULL)
6002 {
6003 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6004 BUS_DMASYNC_POSTWRITE);
6005 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6006 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6007 ring->desc_dma_map);
6008 }
6009
6010 if (ring->desc_dma_tag != NULL)
6011 bus_dma_tag_destroy(ring->desc_dma_tag);
6012
6013 if (ring->seg0 != NULL)
6014 {
6015 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6016 BUS_DMASYNC_POSTWRITE);
6017 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6018 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6019 ring->seg0_dma_map);
6020 }
6021
6022 if (ring->seg0_dma_tag != NULL)
6023 bus_dma_tag_destroy(ring->seg0_dma_tag);
6024
6025 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6026 {
6027 data = &ring->data[i];
6028
6029 if (data->m != NULL)
6030 {
6031 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6032 BUS_DMASYNC_POSTWRITE);
6033 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6034 m_freem(data->m);
6035 }
6036
6037 if (data->ni != NULL)
6038 ieee80211_free_node(data->ni);
6039
6040 if (data->dma_map != NULL)
6041 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6042 }
6043
6044 if (ring->data_dma_tag != NULL)
6045 bus_dma_tag_destroy(ring->data_dma_tag);
6046 }
6047
6048 /*
6049 * rt2860_dma_map_addr
6050 */
6051 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6052 int nseg, int error)
6053 {
6054 if (error != 0)
6055 return;
6056
6057 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6058
6059 *(bus_addr_t *) arg = segs[0].ds_addr;
6060 }
6061
6062 /*
6063 * rt2860_sysctl_attach
6064 */
6065 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6066 {
6067 struct sysctl_ctx_list *ctx;
6068 struct sysctl_oid *tree;
6069 struct sysctl_oid *stats;
6070
6071 ctx = device_get_sysctl_ctx(sc->dev);
6072 tree = device_get_sysctl_tree(sc->dev);
6073
6074 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6075 "stats", CTLFLAG_RD, 0, "statistic");
6076
6077 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6078 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6079 "all interrupts");
6080
6081 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6082 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6083 "Tx coherent interrupts");
6084
6085 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6086 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6087 "Rx coherent interrupts");
6088
6089 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6090 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6091 "Tx/Rx coherent interrupts");
6092
6093 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6094 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6095 "FIFO statistic full interrupts");
6096
6097 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6098 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6099 "Rx interrupts");
6100
6101 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6102 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6103 "Rx delay interrupts");
6104
6105 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6106 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6107 "Tx MGMT interrupts");
6108
6109 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6110 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6111 "Tx HCCA interrupts");
6112
6113 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6114 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6115 "Tx AC3 interrupts");
6116
6117 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6118 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6119 "Tx AC2 interrupts");
6120
6121 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6122 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6123 "Tx AC1 interrupts");
6124
6125 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6126 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6127 "Tx AC0 interrupts");
6128
6129 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6130 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6131 "Tx delay interrupts");
6132
6133 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6134 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6135 "Pre-TBTT interrupts");
6136
6137 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6138 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6139 "TBTT interrupts");
6140
6141 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6142 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6143 "MCU command interrupts");
6144
6145 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6146 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6147 "auto wakeup interrupts");
6148
6149 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6150 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6151 "GP timer interrupts");
6152
6153 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6154 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6155 "Tx MGMT descriptors queued");
6156
6157 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6158 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6159 "Tx MGMT data queued");
6160
6161 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6162 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6163 "Tx HCCA descriptors queued");
6164
6165 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6166 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6167 "Tx HCCA data queued");
6168
6169 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6170 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6171 "Tx AC3 descriptors queued");
6172
6173 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6174 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6175 "Tx AC3 data queued");
6176
6177 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6178 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6179 "Tx AC2 descriptors queued");
6180
6181 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6182 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6183 "Tx AC2 data queued");
6184
6185 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6186 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6187 "Tx AC1 descriptors queued");
6188
6189 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6190 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6191 "Tx AC1 data queued");
6192
6193 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6194 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6195 "Tx AC0 descriptors queued");
6196
6197 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6198 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6199 "Tx AC0 data queued");
6200
6201 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6202 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6203 "Tx MGMT data queue full");
6204
6205 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6206 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6207 "Tx HCCA data queue full");
6208
6209 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6210 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6211 "Tx AC3 data queue full");
6212
6213 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6214 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6215 "Tx AC2 data queue full");
6216
6217 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6218 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6219 "Tx AC1 data queue full");
6220
6221 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6222 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6223 "Tx AC0 data queue full");
6224
6225 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6226 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6227 "Tx watchdog timeouts");
6228
6229 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6230 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6231 "Tx defragmented packets");
6232
6233 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6234 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6235 "no Tx descriptors available");
6236
6237 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6238 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6239 "Rx mbuf allocation errors");
6240
6241 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6242 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6243 "Rx mbuf DMA mapping errors");
6244
6245 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6246 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6247 "Tx queue 0 not empty");
6248
6249 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6250 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6251 "Tx queue 1 not empty");
6252
6253 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6254 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6255 "Tx beacons");
6256
6257 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6258 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6259 "Tx successfull without retries");
6260
6261 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6262 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6263 "Tx successfull with retries");
6264
6265 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6266 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6267 "Tx failed");
6268
6269 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6270 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6271 "Tx non-aggregated");
6272
6273 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6274 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6275 "Tx aggregated");
6276
6277 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6278 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6279 "Tx A-MPDU");
6280
6281 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6282 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6283 "Rx packets");
6284
6285 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6286 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6287 "Rx A-MPDU");
6288
6289 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6290 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6291 "Rx A-MSDU");
6292
6293 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6294 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6295 "Rx CRC errors");
6296
6297 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6298 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6299 "Rx PHY errors");
6300
6301 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6302 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6303 "Rx false CCAs");
6304
6305 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6306 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6307 "Rx PLCP errors");
6308
6309 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6310 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6311 "Rx duplicate packets");
6312
6313 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6314 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6315 "Rx FIFO overflows");
6316 }
6317
6318 static device_method_t rt2860_dev_methods[] =
6319 {
6320 DEVMETHOD(device_probe, rt2860_probe),
6321 DEVMETHOD(device_attach, rt2860_attach),
6322 DEVMETHOD(device_detach, rt2860_detach),
6323 DEVMETHOD(device_shutdown, rt2860_shutdown),
6324 DEVMETHOD(device_suspend, rt2860_suspend),
6325 DEVMETHOD(device_resume, rt2860_resume),
6326 { 0, 0 }
6327 };
6328
6329 static driver_t rt2860_driver =
6330 {
6331 "rt2860",
6332 rt2860_dev_methods,
6333 sizeof(struct rt2860_softc)
6334 };
6335
6336 static devclass_t rt2860_dev_class;
6337
6338 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6339
6340 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6341 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860