?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Store last RSSI dBm per node
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blobafa04511b8bdcf3905c32f6f4b18e9b37154008c
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2860_softc.h"
20 #include "rt2860_reg.h"
21 #include "rt2860_eeprom.h"
22 #include "rt2860_ucode.h"
23 #include "rt2860_txwi.h"
24 #include "rt2860_rxwi.h"
25 #include "rt2860_io.h"
26 #include "rt2860_read_eeprom.h"
27 #include "rt2860_led.h"
28 #include "rt2860_rf.h"
29 #include "rt2860_debug.h"
30
31 /*
32 * Defines and macros
33 */
34
35 #define PCI_VENDOR_RALINK 0x1814
36 #define PCI_PRODUCT_RALINK_RT2860_PCI 0x0601
37 #define PCI_PRODUCT_RALINK_RT2860_PCIe 0x0681
38 #define PCI_PRODUCT_RALINK_RT2760_PCI 0x0701
39 #define PCI_PRODUCT_RALINK_RT2790_PCIe 0x0781
40
41 #define RT2860_MAX_AGG_SIZE 3840
42
43 #define RT2860_TX_DATA_SEG0_SIZE \
44 (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4))
45
46 #define RT2860_NOISE_FLOOR -95
47
48 #define RT2860_AID2WCID(aid) ((aid) & 0xff)
49
50 #define RT2860_ACK_SIZE 14
51
52 #define IEEE80211_HAS_ADDR4(wh) \
53 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
54
55 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
56 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
57
58 #define RT2860_TX_WATCHDOG_TIMEOUT 5
59
60 /*
61 * Data structures and types
62 */
63
64 struct rt2860_pci_ident
65 {
66 uint16_t vendor;
67 uint16_t device;
68 const char *name;
69 };
70
71 /*
72 * Static function prototypes
73 */
74
75 static int rt2860_probe(device_t dev);
76
77 static int rt2860_attach(device_t dev);
78
79 static int rt2860_detach(device_t dev);
80
81 static int rt2860_shutdown(device_t dev);
82
83 static int rt2860_suspend(device_t dev);
84
85 static int rt2860_resume(device_t dev);
86
87 static void rt2860_init_channels(struct rt2860_softc *sc);
88
89 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
90
91 static void rt2860_init_locked(void *priv);
92
93 static void rt2860_init(void *priv);
94
95 static int rt2860_init_bbp(struct rt2860_softc *sc);
96
97 static void rt2860_stop_locked(void *priv);
98
99 static void rt2860_stop(void *priv);
100
101 static void rt2860_start(struct ifnet *ifp);
102
103 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
104
105 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
106 const char name[IFNAMSIZ], int unit, int opmode, int flags,
107 const uint8_t bssid[IEEE80211_ADDR_LEN],
108 const uint8_t mac[IEEE80211_ADDR_LEN]);
109
110 static void rt2860_vap_delete(struct ieee80211vap *vap);
111
112 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
113
114 static int rt2860_vap_newstate(struct ieee80211vap *vap,
115 enum ieee80211_state nstate, int arg);
116
117 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
118
119 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
120
121 static int rt2860_vap_key_set(struct ieee80211vap *vap,
122 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
123
124 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
125 const struct ieee80211_key *k);
126
127 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
128
129 static int rt2860_media_change(struct ifnet *ifp);
130
131 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
132 const uint8_t mac[IEEE80211_ADDR_LEN]);
133
134 static int rt2860_setregdomain(struct ieee80211com *ic,
135 struct ieee80211_regdomain *reg,
136 int nchans, struct ieee80211_channel chans[]);
137
138 static void rt2860_getradiocaps(struct ieee80211com *ic,
139 int maxchans, int *nchans, struct ieee80211_channel chans[]);
140
141 static void rt2860_scan_start(struct ieee80211com *ic);
142
143 static void rt2860_scan_end(struct ieee80211com *ic);
144
145 static void rt2860_set_channel(struct ieee80211com *ic);
146
147 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
148
149 static void rt2860_updateslot(struct ifnet *ifp);
150
151 static void rt2860_update_promisc(struct ifnet *ifp);
152
153 static void rt2860_update_mcast(struct ifnet *ifp);
154
155 static int rt2860_wme_update(struct ieee80211com *ic);
156
157 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
158 const struct ieee80211_bpf_params *params);
159
160 static int rt2860_recv_action(struct ieee80211_node *ni,
161 const struct ieee80211_frame *wh,
162 const uint8_t *frm, const uint8_t *efrm);
163
164 static int rt2860_send_action(struct ieee80211_node *ni,
165 int cat, int act, void *sa);
166
167 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
168
169 static void rt2860_periodic(void *arg);
170
171 static void rt2860_tx_watchdog(void *arg);
172
173 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
174 const uint8_t *bssid);
175
176 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
177 const uint8_t *addr);
178
179 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
180
181 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
182
183 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
184
185 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
186
187 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
188
189 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
190
191 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
192
193 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
194
195 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
196
197 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
198
199 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
200
201 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
202 struct ieee80211vap *vap);
203
204 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
205
206 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
207
208 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
209 const struct rt2860_rxwi *rxwi);
210
211 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
212 uint8_t rssi, uint8_t rxpath);
213
214 static uint8_t rt2860_rate2mcs(uint8_t rate);
215
216 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
217 struct mbuf *m, struct ieee80211_node *ni, int qid);
218
219 static int rt2860_tx_data(struct rt2860_softc *sc,
220 struct mbuf *m, struct ieee80211_node *ni, int qid);
221
222 static int rt2860_tx_raw(struct rt2860_softc *sc,
223 struct mbuf *m, struct ieee80211_node *ni,
224 const struct ieee80211_bpf_params *params);
225
226 static void rt2860_intr(void *arg);
227
228 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
229
230 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
231
232 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
233
234 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
235
236 static void rt2860_rx_intr(struct rt2860_softc *sc);
237
238 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
239
240 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
241
242 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
243
244 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
245
246 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
247
248 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
249
250 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
251
252 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
253
254 static void rt2860_rx_done_task(void *context, int pending);
255
256 static void rt2860_tx_done_task(void *context, int pending);
257
258 static void rt2860_fifo_sta_full_task(void *context, int pending);
259
260 static void rt2860_periodic_task(void *context, int pending);
261
262 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
263
264 static void rt2860_tx_eof(struct rt2860_softc *sc,
265 struct rt2860_softc_tx_ring *ring);
266
267 static void rt2860_update_stats(struct rt2860_softc *sc);
268
269 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
270
271 static void rt2860_watchdog(struct rt2860_softc *sc);
272
273 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
274
275 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
276
277 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
278
279 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
280
281 static int rt2860_txrx_enable(struct rt2860_softc *sc);
282
283 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
284 struct rt2860_softc_rx_ring *ring);
285
286 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
287 struct rt2860_softc_rx_ring *ring);
288
289 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
290 struct rt2860_softc_rx_ring *ring);
291
292 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
293 struct rt2860_softc_tx_ring *ring, int qid);
294
295 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
296 struct rt2860_softc_tx_ring *ring);
297
298 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
299 struct rt2860_softc_tx_ring *ring);
300
301 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
302 int nseg, int error);
303
304 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
305
306 /*
307 * Static variables
308 */
309
310 static const struct rt2860_pci_ident rt2860_pci_ids[] =
311 {
312 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
313 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
314 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
315 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
316 { 0, 0, NULL }
317 };
318
319 static const struct
320 {
321 uint32_t reg;
322 uint32_t val;
323 } rt2860_def_mac[] =
324 {
325 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
326 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
327 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
328 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
329 { RT2860_REG_SYS_CTRL, 0x00000000 },
330 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
331 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
332 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
333 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
334 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
335 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
336 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
337 { RT2860_REG_LED_CFG, 0x7f031e46 },
338 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
339 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
340 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
341 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
342 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
343 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f44084 },
344 { RT2860_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
345 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
346 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
347 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
348 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
349 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
350 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
351 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
352 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
353 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
354 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
355 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
356 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
357 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
358 };
359
360 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
361
362 static const struct
363 {
364 uint8_t reg;
365 uint8_t val;
366 } rt2860_def_bbp[] =
367 {
368 { 65, 0x2c },
369 { 66, 0x38 },
370 { 69, 0x12 },
371 { 70, 0x0a },
372 { 73, 0x10 },
373 { 81, 0x37 },
374 { 82, 0x62 },
375 { 83, 0x6a },
376 { 84, 0x99 },
377 { 86, 0x00 },
378 { 91, 0x04 },
379 { 92, 0x00 },
380 { 103, 0x00 },
381 { 105, 0x05 },
382 { 106, 0x35 },
383 };
384
385 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
386
387 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
388
389 #ifdef RT2860_DEBUG
390 static int rt2860_debug = 0;
391 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
392 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
393 #endif
394
395 /*
396 * rt2860_probe
397 */
398 static int rt2860_probe(device_t dev)
399 {
400 const struct rt2860_pci_ident *ident;
401
402 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
403 {
404 if (pci_get_vendor(dev) == ident->vendor &&
405 pci_get_device(dev) == ident->device)
406 {
407 device_set_desc(dev, ident->name);
408 return 0;
409 }
410 }
411
412 return ENXIO;
413 }
414
415 /*
416 * rt2860_attach
417 */
418 static int rt2860_attach(device_t dev)
419 {
420 struct rt2860_softc *sc;
421 struct ifnet *ifp;
422 struct ieee80211com *ic;
423 int error, ntries, i;
424
425 sc = device_get_softc(dev);
426
427 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
428 {
429 printf("%s: chip is in D%d power mode, setting to D0\n",
430 device_get_nameunit(dev), pci_get_powerstate(dev));
431 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
432 }
433
434 /* enable bus-mastering */
435
436 pci_enable_busmaster(dev);
437
438 sc->dev = dev;
439
440 mtx_init(&sc->lock, device_get_nameunit(dev),
441 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
442
443 sc->mem_rid = PCIR_BAR(0);
444 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
445 &sc->mem_rid, RF_ACTIVE);
446 if (sc->mem == NULL)
447 {
448 printf("%s: could not allocate memory resource\n",
449 device_get_nameunit(dev));
450 error = ENXIO;
451 goto fail;
452 }
453
454 sc->bst = rman_get_bustag(sc->mem);
455 sc->bsh = rman_get_bushandle(sc->mem);
456
457 sc->irq_rid = 0;
458 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
459 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
460 if (sc->irq == NULL)
461 {
462 printf("%s: could not allocate interrupt resource\n",
463 device_get_nameunit(dev));
464 error = ENXIO;
465 goto fail;
466 }
467
468 #ifdef RT2860_DEBUG
469 sc->debug = rt2860_debug;
470
471 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
472 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
473 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
474 #endif
475
476 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
477 "%s: attaching\n",
478 device_get_nameunit(sc->dev));
479
480 /* wait for NIC to initialize */
481
482 for (ntries = 0; ntries < 100; ntries++)
483 {
484 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
485 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
486 break;
487
488 DELAY(10);
489 }
490
491 if (ntries == 100)
492 {
493 printf("%s: timeout waiting for NIC to initialize\n",
494 device_get_nameunit(dev));
495 error = EIO;
496 goto fail;
497 }
498
499 rt2860_read_eeprom(sc);
500
501 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
502 device_get_nameunit(sc->dev), sc->mac_rev,
503 rt2860_rf_name(sc->rf_rev));
504
505 /* allocate Tx and Rx rings */
506
507 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
508 {
509 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
510 if (error != 0)
511 {
512 printf("%s: could not allocate Tx ring #%d\n",
513 device_get_nameunit(sc->dev), i);
514 goto fail;
515 }
516 }
517
518 sc->tx_ring_mgtqid = 5;
519
520 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
521 if (error != 0)
522 {
523 printf("%s: could not allocate Rx ring\n",
524 device_get_nameunit(sc->dev));
525 goto fail;
526 }
527
528 callout_init(&sc->periodic_ch, 0);
529 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
530
531 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
532 if (ifp == NULL)
533 {
534 printf("%s: could not if_alloc()\n",
535 device_get_nameunit(sc->dev));
536 error = ENOMEM;
537 goto fail;
538 }
539
540 ifp->if_softc = sc;
541
542 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
543
544 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
545
546 ifp->if_init = rt2860_init;
547 ifp->if_ioctl = rt2860_ioctl;
548 ifp->if_start = rt2860_start;
549
550 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
551 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
552 IFQ_SET_READY(&ifp->if_snd);
553
554 ic = ifp->if_l2com;
555
556 ic->ic_ifp = ifp;
557
558 ic->ic_phytype = IEEE80211_T_HT;
559 ic->ic_opmode = IEEE80211_M_STA;
560
561 ic->ic_caps = IEEE80211_C_MONITOR |
562 IEEE80211_C_IBSS |
563 IEEE80211_C_STA |
564 IEEE80211_C_AHDEMO |
565 IEEE80211_C_HOSTAP |
566 IEEE80211_C_WDS |
567 IEEE80211_C_MBSS |
568 /* IEEE80211_C_BGSCAN | */
569 IEEE80211_C_TXPMGT |
570 IEEE80211_C_SHPREAMBLE |
571 IEEE80211_C_SHSLOT |
572 IEEE80211_C_TXFRAG |
573 IEEE80211_C_BURST |
574 IEEE80211_C_WME |
575 IEEE80211_C_WPA;
576
577 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
578 IEEE80211_CRYPTO_TKIP |
579 IEEE80211_CRYPTO_TKIPMIC |
580 IEEE80211_CRYPTO_AES_CCM;
581
582 ic->ic_htcaps = IEEE80211_HTC_HT |
583 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
584 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
585 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
586 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
587 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
588 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
589 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
590 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
591
592 /* spatial streams */
593
594 if (sc->nrxpath == 2)
595 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
596 else if (sc->nrxpath == 3)
597 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
598 else
599 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
600
601 if (sc->ntxpath > 1)
602 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
603
604 /* delayed BA */
605
606 if (sc->mac_rev != 0x28600100)
607 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
608
609 /* init channels */
610
611 ic->ic_nchans = 0;
612
613 rt2860_init_channels(sc);
614
615 rt2860_init_channels_ht40(sc);
616
617 ieee80211_ifattach(ic, sc->mac_addr);
618
619 ic->ic_vap_create = rt2860_vap_create;
620 ic->ic_vap_delete = rt2860_vap_delete;
621
622 ic->ic_node_alloc = rt2860_node_alloc;
623 ic->ic_setregdomain = rt2860_setregdomain;
624 ic->ic_getradiocaps = rt2860_getradiocaps;
625 ic->ic_scan_start = rt2860_scan_start;
626 ic->ic_scan_end = rt2860_scan_end;
627 ic->ic_set_channel = rt2860_set_channel;
628 ic->ic_newassoc = rt2860_newassoc;
629 ic->ic_updateslot = rt2860_updateslot;
630 ic->ic_update_promisc = rt2860_update_promisc;
631 ic->ic_update_mcast = rt2860_update_mcast;
632 ic->ic_wme.wme_update = rt2860_wme_update;
633 ic->ic_raw_xmit = rt2860_raw_xmit;
634
635 sc->recv_action = ic->ic_recv_action;
636 ic->ic_recv_action = rt2860_recv_action;
637
638 sc->send_action = ic->ic_send_action;
639 ic->ic_send_action = rt2860_send_action;
640
641 /* hardware requires padding between 802.11 frame header and body */
642
643 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
644
645 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
646
647 ieee80211_radiotap_attach(ic,
648 &sc->txtap.ihdr, sizeof(sc->txtap),
649 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
650 &sc->rxtap.ihdr, sizeof(sc->rxtap),
651 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
652
653 /* init task queue */
654
655 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
656 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
657 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
658 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
659
660 sc->rx_process_limit = 100;
661
662 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
663 taskqueue_thread_enqueue, &sc->taskqueue);
664
665 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
666 device_get_nameunit(sc->dev));
667
668 rt2860_sysctl_attach(sc);
669
670 if (bootverbose)
671 ieee80211_announce(ic);
672
673 /* set up interrupt */
674
675 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
676 NULL, rt2860_intr, sc, &sc->irqh);
677 if (error != 0)
678 {
679 printf("%s: could not set up interrupt\n",
680 device_get_nameunit(dev));
681 goto fail;
682 }
683
684 return 0;
685
686 fail:
687
688 /* free Tx and Rx rings */
689
690 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
691 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
692
693 rt2860_free_rx_ring(sc, &sc->rx_ring);
694
695 mtx_destroy(&sc->lock);
696
697 if (sc->mem != NULL)
698 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
699
700 if (sc->irq != NULL)
701 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
702
703 return error;
704 }
705
706 /*
707 * rt2860_detach
708 */
709 static int rt2860_detach(device_t dev)
710 {
711 struct rt2860_softc *sc;
712 struct ifnet *ifp;
713 struct ieee80211com *ic;
714 int i;
715
716 sc = device_get_softc(dev);
717 ifp = sc->ifp;
718 ic = ifp->if_l2com;
719
720 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
721 "%s: detaching\n",
722 device_get_nameunit(sc->dev));
723
724 RT2860_SOFTC_LOCK(sc);
725
726 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
727
728 callout_stop(&sc->periodic_ch);
729 callout_stop(&sc->tx_watchdog_ch);
730
731 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
732 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
733 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
734 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
735
736 /* free Tx and Rx rings */
737
738 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
739 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
740
741 rt2860_free_rx_ring(sc, &sc->rx_ring);
742
743 RT2860_SOFTC_UNLOCK(sc);
744
745 ieee80211_ifdetach(ic);
746
747 if_free(ifp);
748
749 taskqueue_free(sc->taskqueue);
750
751 mtx_destroy(&sc->lock);
752
753 bus_generic_detach(dev);
754
755 bus_teardown_intr(dev, sc->irq, sc->irqh);
756
757 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
758
759 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
760
761 return 0;
762 }
763
764 /*
765 * rt2860_shutdown
766 */
767 static int rt2860_shutdown(device_t dev)
768 {
769 struct rt2860_softc *sc;
770
771 sc = device_get_softc(dev);
772
773 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
774 "%s: shutting down\n",
775 device_get_nameunit(sc->dev));
776
777 rt2860_stop(sc);
778
779 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
780
781 return 0;
782 }
783
784 /*
785 * rt2860_suspend
786 */
787 static int rt2860_suspend(device_t dev)
788 {
789 struct rt2860_softc *sc;
790
791 sc = device_get_softc(dev);
792
793 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
794 "%s: suspending\n",
795 device_get_nameunit(sc->dev));
796
797 rt2860_stop(sc);
798
799 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
800
801 return 0;
802 }
803
804 /*
805 * rt2860_resume
806 */
807 static int rt2860_resume(device_t dev)
808 {
809 struct rt2860_softc *sc;
810 struct ifnet *ifp;
811
812 sc = device_get_softc(dev);
813 ifp = sc->ifp;
814
815 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
816 "%s: resuming\n",
817 device_get_nameunit(sc->dev));
818
819 if (ifp->if_flags & IFF_UP)
820 rt2860_init(sc);
821
822 return 0;
823 }
824
825 /*
826 * rt2860_init_channels
827 */
828 static void rt2860_init_channels(struct rt2860_softc *sc)
829 {
830 struct ifnet *ifp;
831 struct ieee80211com *ic;
832 struct ieee80211_channel *c;
833 int i, flags;
834
835 ifp = sc->ifp;
836 ic = ifp->if_l2com;
837
838 /* set supported channels for 2GHz band */
839
840 for (i = 1; i <= 14; i++)
841 {
842 c = &ic->ic_channels[ic->ic_nchans++];
843 flags = IEEE80211_CHAN_B;
844
845 c->ic_freq = ieee80211_ieee2mhz(i, flags);
846 c->ic_ieee = i;
847 c->ic_flags = flags;
848
849 c = &ic->ic_channels[ic->ic_nchans++];
850 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
851
852 c->ic_freq = ieee80211_ieee2mhz(i, flags);
853 c->ic_ieee = i;
854 c->ic_flags = flags;
855
856 c = &ic->ic_channels[ic->ic_nchans++];
857 flags = IEEE80211_CHAN_G;
858
859 c->ic_freq = ieee80211_ieee2mhz(i, flags);
860 c->ic_ieee = i;
861 c->ic_flags = flags;
862
863 c = &ic->ic_channels[ic->ic_nchans++];
864 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
865
866 c->ic_freq = ieee80211_ieee2mhz(i, flags);
867 c->ic_ieee = i;
868 c->ic_flags = flags;
869 }
870
871 /* set supported channels for 5GHz band */
872
873 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
874 sc->rf_rev == RT2860_EEPROM_RF_2750)
875 {
876 for (i = 36; i <= 64; i += 4)
877 {
878 c = &ic->ic_channels[ic->ic_nchans++];
879 flags = IEEE80211_CHAN_A;
880
881 c->ic_freq = ieee80211_ieee2mhz(i, flags);
882 c->ic_ieee = i;
883 c->ic_flags = flags;
884
885 c = &ic->ic_channels[ic->ic_nchans++];
886 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
887
888 c->ic_freq = ieee80211_ieee2mhz(i, flags);
889 c->ic_ieee = i;
890 c->ic_flags = flags;
891 }
892
893 for (i = 100; i <= 140; i += 4)
894 {
895 c = &ic->ic_channels[ic->ic_nchans++];
896 flags = IEEE80211_CHAN_A;
897
898 c->ic_freq = ieee80211_ieee2mhz(i, flags);
899 c->ic_ieee = i;
900 c->ic_flags = flags;
901
902 c = &ic->ic_channels[ic->ic_nchans++];
903 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
904
905 c->ic_freq = ieee80211_ieee2mhz(i, flags);
906 c->ic_ieee = i;
907 c->ic_flags = flags;
908 }
909
910 for (i = 149; i <= 165; i += 4)
911 {
912 c = &ic->ic_channels[ic->ic_nchans++];
913 flags = IEEE80211_CHAN_A;
914
915 c->ic_freq = ieee80211_ieee2mhz(i, flags);
916 c->ic_ieee = i;
917 c->ic_flags = flags;
918
919 c = &ic->ic_channels[ic->ic_nchans++];
920 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
921
922 c->ic_freq = ieee80211_ieee2mhz(i, flags);
923 c->ic_ieee = i;
924 c->ic_flags = flags;
925 }
926 }
927 }
928
929 /*
930 * rt2860_init_channels_ht40
931 */
932 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
933 {
934 struct ifnet *ifp;
935 struct ieee80211com *ic;
936 struct ieee80211_channel *c, *cent, *ext;
937 int i, flags;
938
939 ifp = sc->ifp;
940 ic = ifp->if_l2com;
941
942 /* set supported channels for 2GHz band */
943
944 for (i = 1; i <= 14; i++)
945 {
946 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
947
948 /* find the center channel */
949
950 cent = ieee80211_find_channel_byieee(ic, i,
951 flags & ~IEEE80211_CHAN_HT);
952 if (cent == NULL)
953 {
954 printf("%s: skip channel %d, could not find center channel\n",
955 device_get_nameunit(sc->dev), i);
956 continue;
957 }
958
959 /* find the extension channel */
960
961 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
962 flags & ~IEEE80211_CHAN_HT);
963 if (ext == NULL)
964 {
965 printf("%s: skip channel %d, could not find extension channel\n",
966 device_get_nameunit(sc->dev), i);
967 continue;
968 }
969
970 c = &ic->ic_channels[ic->ic_nchans++];
971
972 *c = *cent;
973 c->ic_extieee = ext->ic_ieee;
974 c->ic_flags &= ~IEEE80211_CHAN_HT;
975 c->ic_flags |= IEEE80211_CHAN_HT40U;
976
977 c = &ic->ic_channels[ic->ic_nchans++];
978
979 *c = *ext;
980 c->ic_extieee = cent->ic_ieee;
981 c->ic_flags &= ~IEEE80211_CHAN_HT;
982 c->ic_flags |= IEEE80211_CHAN_HT40D;
983 }
984
985 /* set supported channels for 5GHz band */
986
987 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
988 sc->rf_rev == RT2860_EEPROM_RF_2750)
989 {
990 for (i = 36; i <= 64; i += 4)
991 {
992 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
993
994 /* find the center channel */
995
996 cent = ieee80211_find_channel_byieee(ic, i,
997 flags & ~IEEE80211_CHAN_HT);
998 if (cent == NULL)
999 {
1000 printf("%s: skip channel %d, could not find center channel\n",
1001 device_get_nameunit(sc->dev), i);
1002 continue;
1003 }
1004
1005 /* find the extension channel */
1006
1007 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1008 flags & ~IEEE80211_CHAN_HT);
1009 if (ext == NULL)
1010 {
1011 printf("%s: skip channel %d, could not find extension channel\n",
1012 device_get_nameunit(sc->dev), i);
1013 continue;
1014 }
1015
1016 c = &ic->ic_channels[ic->ic_nchans++];
1017
1018 *c = *cent;
1019 c->ic_extieee = ext->ic_ieee;
1020 c->ic_flags &= ~IEEE80211_CHAN_HT;
1021 c->ic_flags |= IEEE80211_CHAN_HT40U;
1022
1023 c = &ic->ic_channels[ic->ic_nchans++];
1024
1025 *c = *ext;
1026 c->ic_extieee = cent->ic_ieee;
1027 c->ic_flags &= ~IEEE80211_CHAN_HT;
1028 c->ic_flags |= IEEE80211_CHAN_HT40D;
1029 }
1030
1031 for (i = 100; i <= 140; i += 4)
1032 {
1033 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1034
1035 /* find the center channel */
1036
1037 cent = ieee80211_find_channel_byieee(ic, i,
1038 flags & ~IEEE80211_CHAN_HT);
1039 if (cent == NULL)
1040 {
1041 printf("%s: skip channel %d, could not find center channel\n",
1042 device_get_nameunit(sc->dev), i);
1043 continue;
1044 }
1045
1046 /* find the extension channel */
1047
1048 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1049 flags & ~IEEE80211_CHAN_HT);
1050 if (ext == NULL)
1051 {
1052 printf("%s: skip channel %d, could not find extension channel\n",
1053 device_get_nameunit(sc->dev), i);
1054 continue;
1055 }
1056
1057 c = &ic->ic_channels[ic->ic_nchans++];
1058
1059 *c = *cent;
1060 c->ic_extieee = ext->ic_ieee;
1061 c->ic_flags &= ~IEEE80211_CHAN_HT;
1062 c->ic_flags |= IEEE80211_CHAN_HT40U;
1063
1064 c = &ic->ic_channels[ic->ic_nchans++];
1065
1066 *c = *ext;
1067 c->ic_extieee = cent->ic_ieee;
1068 c->ic_flags &= ~IEEE80211_CHAN_HT;
1069 c->ic_flags |= IEEE80211_CHAN_HT40D;
1070 }
1071
1072 for (i = 149; i <= 165; i += 4)
1073 {
1074 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1075
1076 /* find the center channel */
1077
1078 cent = ieee80211_find_channel_byieee(ic, i,
1079 flags & ~IEEE80211_CHAN_HT);
1080 if (cent == NULL)
1081 {
1082 printf("%s: skip channel %d, could not find center channel\n",
1083 device_get_nameunit(sc->dev), i);
1084 continue;
1085 }
1086
1087 /* find the extension channel */
1088
1089 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1090 flags & ~IEEE80211_CHAN_HT);
1091 if (ext == NULL)
1092 {
1093 printf("%s: skip channel %d, could not find extension channel\n",
1094 device_get_nameunit(sc->dev), i);
1095 continue;
1096 }
1097
1098 c = &ic->ic_channels[ic->ic_nchans++];
1099
1100 *c = *cent;
1101 c->ic_extieee = ext->ic_ieee;
1102 c->ic_flags &= ~IEEE80211_CHAN_HT;
1103 c->ic_flags |= IEEE80211_CHAN_HT40U;
1104
1105 c = &ic->ic_channels[ic->ic_nchans++];
1106
1107 *c = *ext;
1108 c->ic_extieee = cent->ic_ieee;
1109 c->ic_flags &= ~IEEE80211_CHAN_HT;
1110 c->ic_flags |= IEEE80211_CHAN_HT40D;
1111 }
1112 }
1113 }
1114
1115 /*
1116 * rt2860_init_locked
1117 */
1118 static void rt2860_init_locked(void *priv)
1119 {
1120 struct rt2860_softc *sc;
1121 struct ifnet *ifp;
1122 struct ieee80211com *ic;
1123 int error, i, ntries;
1124 uint32_t tmp, stacnt[6];
1125
1126 sc = priv;
1127 ifp = sc->ifp;
1128 ic = ifp->if_l2com;
1129
1130 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1131 "%s: initializing\n",
1132 device_get_nameunit(sc->dev));
1133
1134 RT2860_SOFTC_ASSERT_LOCKED(sc);
1135
1136 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1137 {
1138 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1139 "%s: loading 8051 microcode\n",
1140 device_get_nameunit(sc->dev));
1141
1142 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1143 if (error != 0)
1144 {
1145 printf("%s: could not load 8051 microcode\n",
1146 device_get_nameunit(sc->dev));
1147 goto fail;
1148 }
1149
1150 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1151 "%s: 8051 microcode was successfully loaded\n",
1152 device_get_nameunit(sc->dev));
1153
1154 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1155 }
1156
1157 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1158
1159 /* disable DMA engine */
1160
1161 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1162
1163 tmp &= 0xff0;
1164 tmp |= RT2860_REG_TX_WB_DDONE;
1165
1166 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1167
1168 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1169
1170 /* PBF hardware reset */
1171
1172 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1173 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1174
1175 /* wait while DMA engine is busy */
1176
1177 for (ntries = 0; ntries < 100; ntries++)
1178 {
1179 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1180 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1181 break;
1182
1183 DELAY(1000);
1184 }
1185
1186 if (ntries == 100)
1187 {
1188 printf("%s: timeout waiting for DMA engine\n",
1189 device_get_nameunit(sc->dev));
1190 goto fail;
1191 }
1192
1193 tmp &= 0xff0;
1194 tmp |= RT2860_REG_TX_WB_DDONE;
1195
1196 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1197
1198 /* reset Rx and Tx rings */
1199
1200 tmp = RT2860_REG_RST_IDX_RX |
1201 RT2860_REG_RST_IDX_TX_MGMT |
1202 RT2860_REG_RST_IDX_TX_HCCA |
1203 RT2860_REG_RST_IDX_TX_AC3 |
1204 RT2860_REG_RST_IDX_TX_AC2 |
1205 RT2860_REG_RST_IDX_TX_AC1 |
1206 RT2860_REG_RST_IDX_TX_AC0;
1207
1208 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1209
1210 /* PBF hardware reset */
1211
1212 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1213 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1214
1215 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1216
1217 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1218 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1219 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1220
1221 /* init Tx power per rate */
1222
1223 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1224 {
1225 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1226 continue;
1227
1228 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1229 sc->txpow_rate_20mhz[i]);
1230 }
1231
1232 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1233 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1234 rt2860_def_mac[i].val);
1235
1236 /* wait while MAC is busy */
1237
1238 for (ntries = 0; ntries < 100; ntries++)
1239 {
1240 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1241 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1242 break;
1243
1244 DELAY(1000);
1245 }
1246
1247 if (ntries == 100)
1248 {
1249 printf("%s: timeout waiting for MAC\n",
1250 device_get_nameunit(sc->dev));
1251 goto fail;
1252 }
1253
1254 /* clear Host to MCU mailbox */
1255
1256 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1257 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1258
1259 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1260 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1261
1262 DELAY(1000);
1263
1264 error = rt2860_init_bbp(sc);
1265 if (error != 0)
1266 goto fail;
1267
1268 /* set up maximum buffer sizes */
1269
1270 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1271
1272 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1273
1274 if (sc->mac_rev == 0x28720200)
1275 {
1276 /* set max. PSDU length from 16K to 32K bytes */
1277
1278 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1279
1280 tmp &= ~(3 << 12);
1281 tmp |= (2 << 12);
1282
1283 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1284 }
1285
1286 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1287 {
1288 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1289
1290 tmp &= 0xfff;
1291 tmp |= 0x2000;
1292
1293 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1294 }
1295
1296 /* set mac address */
1297
1298 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1299
1300 /* clear statistic registers */
1301
1302 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1303 stacnt, sizeof(stacnt));
1304
1305 /* set RTS threshold */
1306
1307 rt2860_asic_update_rtsthreshold(sc);
1308
1309 /* set Tx power */
1310
1311 rt2860_asic_update_txpower(sc);
1312
1313 /* set up protection mode */
1314
1315 rt2860_asic_updateprot(sc);
1316
1317 /* clear key tables */
1318
1319 rt2860_asic_clear_keytables(sc);
1320
1321 /* clear beacon frame space (entries = 8, entry size = 512) */
1322
1323 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1324
1325 taskqueue_unblock(sc->taskqueue);
1326
1327 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1328
1329 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1330 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1331
1332 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1333 {
1334 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1335 sc->tx_ring[i].desc_phys_addr);
1336 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1337 RT2860_SOFTC_TX_RING_DESC_COUNT);
1338 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1339 }
1340
1341 /* init Rx ring */
1342
1343 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1344
1345 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1346 sc->rx_ring.desc_phys_addr);
1347 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1348 RT2860_SOFTC_RX_RING_DATA_COUNT);
1349 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1350 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1351
1352 /* wait while DMA engine is busy */
1353
1354 for (ntries = 0; ntries < 100; ntries++)
1355 {
1356 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1357 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1358 break;
1359
1360 DELAY(1000);
1361 }
1362
1363 if (ntries == 100)
1364 {
1365 printf("%s: timeout waiting for DMA engine\n",
1366 device_get_nameunit(sc->dev));
1367 goto fail;
1368 }
1369
1370 tmp &= 0xff0;
1371 tmp |= RT2860_REG_TX_WB_DDONE;
1372
1373 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1374
1375 /* disable interrupts mitigation */
1376
1377 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1378
1379 /* send LEDs operating mode to microcontroller */
1380
1381 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1382 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1383 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1384 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1385 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1386 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1387
1388 /* turn radio LED on */
1389
1390 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1391
1392 /* write vendor-specific BBP values (from EEPROM) */
1393
1394 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1395 {
1396 if (sc->bbp_eeprom[i].reg == 0x00 ||
1397 sc->bbp_eeprom[i].reg == 0xff)
1398 continue;
1399
1400 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1401 sc->bbp_eeprom[i].val);
1402 }
1403
1404 /*
1405 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1406 if (tmp & (1 << 2))
1407 {
1408 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1409 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1410 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1411
1412 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1413 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1414 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1415 }
1416 */
1417
1418 /* disable non-existing Rx chains */
1419
1420 tmp = rt2860_io_bbp_read(sc, 3);
1421
1422 tmp &= ~((1 << 4) | (1 << 3));
1423
1424 if (sc->nrxpath == 3)
1425 tmp |= (1 << 4);
1426 else if (sc->nrxpath == 2)
1427 tmp |= (1 << 3);
1428
1429 rt2860_io_bbp_write(sc, 3, tmp);
1430
1431 /* disable non-existing Tx chains */
1432
1433 tmp = rt2860_io_bbp_read(sc, 1);
1434
1435 tmp &= ~((1 << 4) | (1 << 3));
1436
1437 if (sc->ntxpath == 2)
1438 tmp |= (1 << 4);
1439
1440 rt2860_io_bbp_write(sc, 1, tmp);
1441
1442 /* set current channel */
1443
1444 rt2860_rf_set_chan(sc, ic->ic_curchan);
1445
1446 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1447 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1448 (48 << 16) | 96);
1449
1450 if ((sc->mac_rev & 0xffff) != 0x0101)
1451 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1452
1453 /* clear pending interrupts */
1454
1455 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1456
1457 /* enable interrupts */
1458
1459 tmp = RT2860_REG_INT_TX_COHERENT |
1460 RT2860_REG_INT_RX_COHERENT |
1461 RT2860_REG_INT_GP_TIMER |
1462 RT2860_REG_INT_AUTO_WAKEUP |
1463 RT2860_REG_INT_FIFO_STA_FULL |
1464 /*
1465 RT2860_REG_INT_PRE_TBTT |
1466 RT2860_REG_INT_TBTT |
1467 */
1468 RT2860_REG_INT_TXRX_COHERENT |
1469 RT2860_REG_INT_MCU_CMD |
1470 RT2860_REG_INT_TX_MGMT_DONE |
1471 RT2860_REG_INT_TX_HCCA_DONE |
1472 RT2860_REG_INT_TX_AC3_DONE |
1473 RT2860_REG_INT_TX_AC2_DONE |
1474 RT2860_REG_INT_TX_AC1_DONE |
1475 RT2860_REG_INT_TX_AC0_DONE |
1476 RT2860_REG_INT_RX_DONE;
1477
1478 sc->intr_enable_mask = tmp;
1479
1480 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1481
1482 if (rt2860_txrx_enable(sc) != 0)
1483 goto fail;
1484
1485 /* clear garbage interrupts */
1486
1487 tmp = rt2860_io_mac_read(sc, 0x1300);
1488
1489 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1490 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1491
1492 sc->periodic_round = 0;
1493
1494 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1495
1496 return;
1497
1498 fail:
1499
1500 rt2860_stop_locked(sc);
1501 }
1502
1503 /*
1504 * rt2860_init
1505 */
1506 static void rt2860_init(void *priv)
1507 {
1508 struct rt2860_softc *sc;
1509
1510 sc = priv;
1511
1512 RT2860_SOFTC_LOCK(sc);
1513
1514 rt2860_init_locked(sc);
1515
1516 RT2860_SOFTC_UNLOCK(sc);
1517 }
1518
1519 /*
1520 * rt2860_init_bbp
1521 */
1522 static int rt2860_init_bbp(struct rt2860_softc *sc)
1523 {
1524 int ntries, i;
1525 uint8_t tmp;
1526
1527 for (ntries = 0; ntries < 20; ntries++)
1528 {
1529 tmp = rt2860_io_bbp_read(sc, 0);
1530 if (tmp != 0x00 && tmp != 0xff)
1531 break;
1532 }
1533
1534 if (tmp == 0x00 || tmp == 0xff)
1535 {
1536 printf("%s: timeout waiting for BBP to wakeup\n",
1537 device_get_nameunit(sc->dev));
1538 return ETIMEDOUT;
1539 }
1540
1541 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1542 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1543 rt2860_def_bbp[i].val);
1544
1545 if ((sc->mac_rev & 0xffff) != 0x0101)
1546 rt2860_io_bbp_write(sc, 84, 0x19);
1547
1548 if (sc->mac_rev == 0x28600100)
1549 {
1550 rt2860_io_bbp_write(sc, 69, 0x16);
1551 rt2860_io_bbp_write(sc, 73, 0x12);
1552 }
1553
1554 return 0;
1555 }
1556
1557 /*
1558 * rt2860_stop_locked
1559 */
1560 static void rt2860_stop_locked(void *priv)
1561 {
1562 struct rt2860_softc *sc;
1563 struct ifnet *ifp;
1564 struct ieee80211com *ic;
1565 uint32_t tmp;
1566
1567 sc = priv;
1568 ifp = sc->ifp;
1569 ic = ifp->if_l2com;
1570
1571 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1572 "%s: stopping\n",
1573 device_get_nameunit(sc->dev));
1574
1575 RT2860_SOFTC_ASSERT_LOCKED(sc);
1576
1577 sc->tx_timer = 0;
1578
1579 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1580 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1581
1582 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1583
1584 callout_stop(&sc->periodic_ch);
1585 callout_stop(&sc->tx_watchdog_ch);
1586
1587 RT2860_SOFTC_UNLOCK(sc);
1588
1589 taskqueue_block(sc->taskqueue);
1590
1591 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1592 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1593 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1594 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1595
1596 RT2860_SOFTC_LOCK(sc);
1597
1598 /* clear key tables */
1599
1600 rt2860_asic_clear_keytables(sc);
1601
1602 /* disable interrupts */
1603
1604 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1605
1606 /* disable Tx/Rx */
1607
1608 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1609
1610 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1611
1612 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1613
1614 /* reset adapter */
1615
1616 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1617 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1618 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1619 }
1620
1621 /*
1622 * rt2860_stop
1623 */
1624 static void rt2860_stop(void *priv)
1625 {
1626 struct rt2860_softc *sc;
1627
1628 sc = priv;
1629
1630 RT2860_SOFTC_LOCK(sc);
1631
1632 rt2860_stop_locked(sc);
1633
1634 RT2860_SOFTC_UNLOCK(sc);
1635 }
1636
1637 /*
1638 * rt2860_start
1639 */
1640 static void rt2860_start(struct ifnet *ifp)
1641 {
1642 struct rt2860_softc *sc;
1643 struct ieee80211_node *ni;
1644 struct mbuf *m;
1645 int qid;
1646
1647 sc = ifp->if_softc;
1648
1649 RT2860_SOFTC_LOCK(sc);
1650
1651 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1652 {
1653 RT2860_SOFTC_UNLOCK(sc);
1654 return;
1655 }
1656
1657 for (;;)
1658 {
1659 IF_POLL(&ifp->if_snd, m);
1660 if (m == NULL)
1661 break;
1662
1663 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1664
1665 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1666
1667 qid = M_WME_GETAC(m);
1668
1669 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1670 {
1671 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1672 "%s: if_start: Tx ring with qid=%d is full\n",
1673 device_get_nameunit(sc->dev), qid);
1674
1675 m_freem(m);
1676 ieee80211_free_node(ni);
1677
1678 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1679 ifp->if_oerrors++;
1680
1681 sc->tx_data_queue_full[qid]++;
1682
1683 break;
1684 }
1685
1686 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1687 {
1688 ieee80211_free_node(ni);
1689
1690 ifp->if_oerrors++;
1691
1692 break;
1693 }
1694
1695 rt2860_drain_fifo_stats(sc);
1696
1697 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1698
1699 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1700 }
1701
1702 RT2860_SOFTC_UNLOCK(sc);
1703 }
1704
1705 /*
1706 * rt2860_ioctl
1707 */
1708 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1709 {
1710 struct rt2860_softc *sc;
1711 struct ieee80211com *ic;
1712 struct ifreq *ifr;
1713 int error, startall;
1714
1715 sc = ifp->if_softc;
1716 ic = ifp->if_l2com;
1717 ifr = (struct ifreq *) data;
1718
1719 error = 0;
1720
1721 switch (cmd)
1722 {
1723 case SIOCSIFFLAGS:
1724 startall = 0;
1725
1726 RT2860_SOFTC_LOCK(sc);
1727
1728 if (ifp->if_flags & IFF_UP)
1729 {
1730 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1731 {
1732 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1733 rt2860_asic_update_promisc(sc);
1734 }
1735 else
1736 {
1737 rt2860_init_locked(sc);
1738 startall = 1;
1739 }
1740 }
1741 else
1742 {
1743 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1744 rt2860_stop_locked(sc);
1745 }
1746
1747 sc->if_flags = ifp->if_flags;
1748
1749 RT2860_SOFTC_UNLOCK(sc);
1750
1751 if (startall)
1752 ieee80211_start_all(ic);
1753 break;
1754
1755 case SIOCGIFMEDIA:
1756 case SIOCSIFMEDIA:
1757 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1758 break;
1759
1760 case SIOCGIFADDR:
1761 error = ether_ioctl(ifp, cmd, data);
1762 break;
1763
1764 default:
1765 error = EINVAL;
1766 break;
1767 }
1768
1769 return error;
1770 }
1771
1772 /*
1773 * rt2860_vap_create
1774 */
1775 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1776 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1777 const uint8_t bssid[IEEE80211_ADDR_LEN],
1778 const uint8_t mac[IEEE80211_ADDR_LEN])
1779 {
1780 struct rt2860_softc *sc;
1781 struct ifnet *ifp;
1782 struct rt2860_softc_vap *rvap;
1783 struct ieee80211vap *vap;
1784
1785 ifp = ic->ic_ifp;
1786 sc = ifp->if_softc;
1787
1788 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1789 "%s: VAP create: opmode=%s\n",
1790 device_get_nameunit(sc->dev),
1791 ieee80211_opmode_name[opmode]);
1792
1793 switch (opmode)
1794 {
1795 case IEEE80211_M_MONITOR:
1796 case IEEE80211_M_IBSS:
1797 case IEEE80211_M_STA:
1798 case IEEE80211_M_AHDEMO:
1799 case IEEE80211_M_HOSTAP:
1800 case IEEE80211_M_MBSS:
1801 if (!TAILQ_EMPTY(&ic->ic_vaps))
1802 {
1803 if_printf(ifp, "only 1 VAP supported\n");
1804 return NULL;
1805 }
1806
1807 if (opmode == IEEE80211_M_STA)
1808 flags |= IEEE80211_CLONE_NOBEACONS;
1809 break;
1810
1811 case IEEE80211_M_WDS:
1812 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1813 {
1814 if_printf(ifp, "WDS only supported in AP mode\n");
1815 return NULL;
1816 }
1817
1818 flags &= ~IEEE80211_CLONE_BSSID;
1819 break;
1820
1821 default:
1822 if_printf(ifp, "unknown opmode %d\n", opmode);
1823 return NULL;
1824 }
1825
1826 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1827 M_80211_VAP, M_NOWAIT | M_ZERO);
1828 if (rvap == NULL)
1829 return NULL;
1830
1831 vap = &rvap->vap;
1832
1833 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1834
1835 rvap->newstate = vap->iv_newstate;
1836 vap->iv_newstate = rt2860_vap_newstate;
1837
1838 vap->iv_reset = rt2860_vap_reset;
1839 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1840 vap->iv_key_update_end = rt2860_vap_key_update_end;
1841 vap->iv_key_set = rt2860_vap_key_set;
1842 vap->iv_key_delete = rt2860_vap_key_delete;
1843 vap->iv_update_beacon = rt2860_vap_update_beacon;
1844
1845 rt2860_amrr_init(&rvap->amrr, vap,
1846 sc->ntxpath,
1847 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1848 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1849 500);
1850
1851 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1852
1853 /* override default Rx A-MPDU factor */
1854
1855 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1856 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1857 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1858
1859 ic->ic_opmode = opmode;
1860
1861 return vap;
1862 }
1863
1864 /*
1865 * rt2860_vap_delete
1866 */
1867 static void rt2860_vap_delete(struct ieee80211vap *vap)
1868 {
1869 struct rt2860_softc *sc;
1870 struct ieee80211com *ic;
1871 struct ifnet *ifp;
1872 struct rt2860_softc_vap *rvap;
1873
1874 ic = vap->iv_ic;
1875 ifp = ic->ic_ifp;
1876 sc = ifp->if_softc;
1877 rvap = (struct rt2860_softc_vap *) vap;
1878
1879 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1880 "%s: VAP delete: opmode=%s\n",
1881 device_get_nameunit(sc->dev),
1882 ieee80211_opmode_name[vap->iv_opmode]);
1883
1884 rt2860_amrr_cleanup(&rvap->amrr);
1885
1886 ieee80211_vap_detach(vap);
1887
1888 free(rvap, M_80211_VAP);
1889 }
1890
1891 /*
1892 * rt2860_reset_vap
1893 */
1894 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1895 {
1896 struct rt2860_softc *sc;
1897 struct ieee80211com *ic;
1898 struct ifnet *ifp;
1899 struct rt2860_softc_vap *rvap;
1900 int error;
1901
1902 ic = vap->iv_ic;
1903 ifp = ic->ic_ifp;
1904 sc = ifp->if_softc;
1905 rvap = (struct rt2860_softc_vap *) vap;
1906
1907 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1908 "%s: VAP reset: cmd=%lu\n",
1909 device_get_nameunit(sc->dev), cmd);
1910
1911 error = 0;
1912
1913 switch (cmd)
1914 {
1915 case IEEE80211_IOC_RTSTHRESHOLD:
1916 rt2860_asic_update_rtsthreshold(sc);
1917 break;
1918
1919 case IEEE80211_IOC_PROTMODE:
1920 case IEEE80211_IOC_HTPROTMODE:
1921 rt2860_asic_updateprot(sc);
1922 break;
1923
1924 case IEEE80211_IOC_TXPOWER:
1925 rt2860_asic_update_txpower(sc);
1926 break;
1927
1928 case IEEE80211_IOC_SHORTGI:
1929 case IEEE80211_IOC_AMPDU_DENSITY:
1930 break;
1931
1932 default:
1933 error = ENETRESET;
1934 break;
1935 }
1936
1937 return error;
1938 }
1939
1940 /*
1941 * rt2860_vap_newstate
1942 */
1943 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1944 enum ieee80211_state nstate, int arg)
1945 {
1946 struct rt2860_softc *sc;
1947 struct ieee80211com *ic;
1948 struct ifnet *ifp;
1949 struct rt2860_softc_vap *rvap;
1950 struct ieee80211_node *ni;
1951 enum ieee80211_state ostate;
1952 int error;
1953
1954 ic = vap->iv_ic;
1955 ifp = ic->ic_ifp;
1956 sc = ifp->if_softc;
1957 rvap = (struct rt2860_softc_vap *) vap;
1958
1959 ostate = vap->iv_state;
1960
1961 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1962 "%s: VAP newstate: %s -> %s\n",
1963 device_get_nameunit(sc->dev),
1964 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1965
1966 error = rvap->newstate(vap, nstate, arg);
1967 if (error != 0)
1968 return error;
1969
1970 IEEE80211_UNLOCK(ic);
1971
1972 RT2860_SOFTC_LOCK(sc);
1973
1974 /* turn link LED off */
1975
1976 if (nstate != IEEE80211_S_RUN)
1977 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1978
1979 switch (nstate)
1980 {
1981 case IEEE80211_S_INIT:
1982 rt2860_asic_disable_tsf_sync(sc);
1983 break;
1984
1985 case IEEE80211_S_RUN:
1986 ni = vap->iv_bss;
1987
1988 rt2860_rf_set_chan(sc, ni->ni_chan);
1989
1990 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1991 {
1992 rt2860_asic_enable_mrr(sc);
1993 rt2860_asic_set_txpreamble(sc);
1994 rt2860_asic_set_basicrates(sc);
1995 rt2860_asic_update_txpower(sc);
1996 rt2860_asic_set_bssid(sc, ni->ni_bssid);
1997 }
1998
1999 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2000 vap->iv_opmode == IEEE80211_M_IBSS ||
2001 vap->iv_opmode == IEEE80211_M_MBSS)
2002 {
2003 error = rt2860_asic_update_beacon(sc, vap);
2004 if (error != 0)
2005 break;
2006 }
2007
2008 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2009 rt2860_asic_enable_tsf_sync(sc);
2010
2011 /* turn link LED on */
2012
2013 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2014 {
2015 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2016 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2017 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2018 }
2019 break;
2020
2021 default:
2022 break;
2023 }
2024
2025 RT2860_SOFTC_UNLOCK(sc);
2026
2027 IEEE80211_LOCK(ic);
2028
2029 return error;
2030 }
2031
2032 /*
2033 * rt2860_vap_key_update_begin
2034 */
2035 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2036 {
2037 struct rt2860_softc *sc;
2038 struct ieee80211com *ic;
2039 struct ifnet *ifp;
2040
2041 ic = vap->iv_ic;
2042 ifp = ic->ic_ifp;
2043 sc = ifp->if_softc;
2044
2045 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2046 "%s: VAP key update begin\n",
2047 device_get_nameunit(sc->dev));
2048
2049 taskqueue_block(sc->taskqueue);
2050
2051 IF_LOCK(&ifp->if_snd);
2052 }
2053
2054 /*
2055 * rt2860_vap_key_update_end
2056 */
2057 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2058 {
2059 struct rt2860_softc *sc;
2060 struct ieee80211com *ic;
2061 struct ifnet *ifp;
2062
2063 ic = vap->iv_ic;
2064 ifp = ic->ic_ifp;
2065 sc = ifp->if_softc;
2066
2067 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2068 "%s: VAP key update end\n",
2069 device_get_nameunit(sc->dev));
2070
2071 IF_UNLOCK(&ifp->if_snd);
2072
2073 taskqueue_unblock(sc->taskqueue);
2074 }
2075
2076 /*
2077 * rt2860_vap_key_set
2078 */
2079 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2080 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2081 {
2082 struct rt2860_softc *sc;
2083 struct ieee80211com *ic;
2084 struct ifnet *ifp;
2085 struct ieee80211_node *ni;
2086 uint16_t associd, key_base, keymode_base;
2087 uint8_t mode, vapid, wcid, iv[8];
2088 uint32_t tmp;
2089
2090 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2091 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2092 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2093 return EINVAL;
2094
2095 ic = vap->iv_ic;
2096 ifp = ic->ic_ifp;
2097 sc = ifp->if_softc;
2098
2099 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2100 ni = vap->iv_bss;
2101 else
2102 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2103
2104 associd = (ni != NULL) ? ni->ni_associd : 0;
2105
2106 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2107 ieee80211_free_node(ni);
2108
2109 switch (k->wk_cipher->ic_cipher)
2110 {
2111 case IEEE80211_CIPHER_WEP:
2112 if(k->wk_keylen < 8)
2113 mode = RT2860_REG_CIPHER_MODE_WEP40;
2114 else
2115 mode = RT2860_REG_CIPHER_MODE_WEP104;
2116 break;
2117
2118 case IEEE80211_CIPHER_TKIP:
2119 mode = RT2860_REG_CIPHER_MODE_TKIP;
2120 break;
2121
2122 case IEEE80211_CIPHER_AES_CCM:
2123 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2124 break;
2125
2126 default:
2127 return EINVAL;
2128 }
2129
2130 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2131 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2132 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2133 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2134
2135 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2136 {
2137 /* install pairwise key */
2138
2139 vapid = 0;
2140 wcid = RT2860_AID2WCID(associd);
2141 key_base = RT2860_REG_PKEY(wcid);
2142
2143 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2144 {
2145 memset(iv, 0, 8);
2146
2147 iv[3] = (k->wk_keyix << 6);
2148 }
2149 else
2150 {
2151 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2152 {
2153 iv[0] = (k->wk_keytsc >> 8);
2154 iv[1] = ((iv[0] | 0x20) & 0x7f);
2155 iv[2] = k->wk_keytsc;
2156 }
2157 else
2158 {
2159 /* AES CCMP */
2160
2161 iv[0] = k->wk_keytsc;
2162 iv[1] = k->wk_keytsc >> 8;
2163 iv[2] = 0;
2164 }
2165
2166 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2167 iv[4] = (k->wk_keytsc >> 16);
2168 iv[5] = (k->wk_keytsc >> 24);
2169 iv[6] = (k->wk_keytsc >> 32);
2170 iv[7] = (k->wk_keytsc >> 40);
2171
2172 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2173 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2174 device_get_nameunit(sc->dev),
2175 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2176 }
2177
2178 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2179
2180 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2181 {
2182 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2183
2184 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2185 {
2186 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2187 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2188 }
2189 else
2190 {
2191 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2192 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2193 }
2194 }
2195 else
2196 {
2197 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2198 }
2199
2200 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2201 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2202
2203 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2204 }
2205
2206 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2207 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2208 {
2209 /* install group key */
2210
2211 vapid = 0;
2212 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2213 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2214
2215 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2216 {
2217 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2218
2219 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2220 {
2221 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2222 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2223 }
2224 else
2225 {
2226 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2227 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2228 }
2229 }
2230 else
2231 {
2232 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2233 }
2234
2235 tmp = rt2860_io_mac_read(sc, keymode_base);
2236
2237 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2238 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2239
2240 rt2860_io_mac_write(sc, keymode_base, tmp);
2241 }
2242
2243 return 1;
2244 }
2245
2246 /*
2247 * rt2860_vap_key_delete
2248 */
2249 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2250 const struct ieee80211_key *k)
2251 {
2252 struct rt2860_softc *sc;
2253 struct ieee80211com *ic;
2254 struct ifnet *ifp;
2255 struct ieee80211_node *ni;
2256 uint16_t associd;
2257 uint8_t vapid, wcid;
2258 uint32_t tmp;
2259
2260 ic = vap->iv_ic;
2261 ifp = ic->ic_ifp;
2262 sc = ifp->if_softc;
2263 ni = vap->iv_bss;
2264 associd = (ni != NULL) ? ni->ni_associd : 0;
2265
2266 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2267 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2268 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2269 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2270
2271 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2272 {
2273 /* remove pairwise key */
2274
2275 vapid = 0;
2276 wcid = RT2860_AID2WCID(associd);
2277
2278 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2279 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2280
2281 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2282 }
2283 else
2284 {
2285 /* remove group key */
2286
2287 vapid = 0;
2288
2289 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2290
2291 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2292 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2293
2294 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2295 }
2296
2297 return 1;
2298 }
2299
2300 /*
2301 * rt2860_vap_update_beacon
2302 */
2303 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2304 {
2305 struct rt2860_softc *sc;
2306 struct ieee80211com *ic;
2307 struct ifnet *ifp;
2308
2309 ic = vap->iv_ic;
2310 ifp = ic->ic_ifp;
2311 sc = ifp->if_softc;
2312
2313 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2314 "%s: VAP update beacon\n",
2315 device_get_nameunit(sc->dev));
2316
2317 rt2860_asic_update_beacon(sc, vap);
2318 }
2319
2320 /*
2321 * rt2860_media_change
2322 */
2323 static int rt2860_media_change(struct ifnet *ifp)
2324 {
2325 int error;
2326
2327 error = ieee80211_media_change(ifp);
2328
2329 return (error == ENETRESET ? 0 : error);
2330 }
2331
2332 /*
2333 * rt2860_node_alloc
2334 */
2335 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2336 const uint8_t mac[IEEE80211_ADDR_LEN])
2337 {
2338 return malloc(sizeof(struct rt2860_softc_node),
2339 M_80211_NODE, M_NOWAIT | M_ZERO);
2340 }
2341
2342 /*
2343 * rt2860_setregdomain
2344 */
2345 static int rt2860_setregdomain(struct ieee80211com *ic,
2346 struct ieee80211_regdomain *reg,
2347 int nchans, struct ieee80211_channel chans[])
2348 {
2349 struct rt2860_softc *sc;
2350 struct ifnet *ifp;
2351
2352 ifp = ic->ic_ifp;
2353 sc = ifp->if_softc;
2354
2355 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2356 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2357 device_get_nameunit(sc->dev),
2358 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2359
2360 return 0;
2361 }
2362
2363 /*
2364 * rt2860_getradiocaps
2365 */
2366 static void rt2860_getradiocaps(struct ieee80211com *ic,
2367 int maxchans, int *nchans, struct ieee80211_channel chans[])
2368 {
2369 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2370
2371 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2372 }
2373
2374 /*
2375 * rt2860_scan_start
2376 */
2377 static void rt2860_scan_start(struct ieee80211com *ic)
2378 {
2379 struct rt2860_softc *sc;
2380 struct ifnet *ifp;
2381
2382 ifp = ic->ic_ifp;
2383 sc = ifp->if_softc;
2384
2385 rt2860_asic_disable_tsf_sync(sc);
2386 }
2387
2388 /*
2389 * rt2860_scan_end
2390 */
2391 static void rt2860_scan_end(struct ieee80211com *ic)
2392 {
2393 struct rt2860_softc *sc;
2394 struct ifnet *ifp;
2395
2396 ifp = ic->ic_ifp;
2397 sc = ifp->if_softc;
2398
2399 rt2860_asic_enable_tsf_sync(sc);
2400 }
2401
2402 /*
2403 * rt2860_set_channel
2404 */
2405 static void rt2860_set_channel(struct ieee80211com *ic)
2406 {
2407 struct rt2860_softc *sc;
2408 struct ifnet *ifp;
2409
2410 ifp = ic->ic_ifp;
2411 sc = ifp->if_softc;
2412
2413 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2414 "%s: set channel: channel=%u, HT%s%s\n",
2415 device_get_nameunit(sc->dev),
2416 ieee80211_chan2ieee(ic, ic->ic_curchan),
2417 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2418 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2419 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2420 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2421
2422 RT2860_SOFTC_LOCK(sc);
2423
2424 rt2860_rf_set_chan(sc, ic->ic_curchan);
2425
2426 RT2860_SOFTC_UNLOCK(sc);
2427 }
2428
2429 /*
2430 * rt2860_newassoc
2431 */
2432 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2433 {
2434 struct rt2860_softc *sc;
2435 struct ieee80211com *ic;
2436 struct ifnet *ifp;
2437 struct ieee80211vap *vap;
2438 struct rt2860_softc_vap *rvap;
2439 uint16_t associd;
2440 uint8_t wcid;
2441
2442 vap = ni->ni_vap;
2443 ic = vap->iv_ic;
2444 ifp = ic->ic_ifp;
2445 sc = ifp->if_softc;
2446 rvap = (struct rt2860_softc_vap *) vap;
2447
2448 associd = (ni != NULL) ? ni->ni_associd : 0;
2449 wcid = RT2860_AID2WCID(associd);
2450
2451 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2452 "%s: new association: wcid=0x%02x, "
2453 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2454 device_get_nameunit(sc->dev), wcid,
2455 ether_sprintf(ni->ni_macaddr),
2456 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2457 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2458 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2459
2460 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2461 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2462
2463 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2464
2465 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2466 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2467 device_get_nameunit(sc->dev),
2468 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2469 ni->ni_associd, ni->ni_txrate,
2470 (ni->ni_flags & IEEE80211_NODE_HT) ?
2471 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2472 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2473
2474 rt2860_asic_updateprot(sc);
2475 rt2860_asic_updateslot(sc);
2476 rt2860_asic_set_txpreamble(sc);
2477 }
2478
2479 /*
2480 * rt2860_updateslot
2481 */
2482 static void rt2860_updateslot(struct ifnet *ifp)
2483 {
2484 struct rt2860_softc *sc;
2485
2486 sc = ifp->if_softc;
2487
2488 rt2860_asic_updateslot(sc);
2489 }
2490
2491 /*
2492 * rt2860_update_promisc
2493 */
2494 static void rt2860_update_promisc(struct ifnet *ifp)
2495 {
2496 struct rt2860_softc *sc;
2497
2498 sc = ifp->if_softc;
2499
2500 rt2860_asic_update_promisc(sc);
2501 }
2502
2503 /*
2504 * rt2860_update_mcast
2505 */
2506 static void rt2860_update_mcast(struct ifnet *ifp)
2507 {
2508 struct rt2860_softc *sc;
2509
2510 sc = ifp->if_softc;
2511 }
2512
2513 /*
2514 * rt2860_wme_update
2515 */
2516 static int rt2860_wme_update(struct ieee80211com *ic)
2517 {
2518 struct rt2860_softc *sc;
2519 struct ifnet *ifp;
2520
2521 ifp = ic->ic_ifp;
2522 sc = ifp->if_softc;
2523
2524 rt2860_asic_wme_update(sc);
2525
2526 return 0;
2527 }
2528
2529 /*
2530 * rt2860_raw_xmit
2531 */
2532 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2533 const struct ieee80211_bpf_params *params)
2534 {
2535 struct rt2860_softc *sc;
2536 struct ieee80211com *ic;
2537 struct ifnet *ifp;
2538
2539 ic = ni->ni_ic;
2540 ifp = ic->ic_ifp;
2541 sc = ifp->if_softc;
2542
2543 RT2860_SOFTC_LOCK(sc);
2544
2545 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2546 {
2547 RT2860_SOFTC_UNLOCK(sc);
2548
2549 m_freem(m);
2550 ieee80211_free_node(ni);
2551
2552 return ENETDOWN;
2553 }
2554
2555 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2556 {
2557 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2558 "%s: raw xmit: Tx ring with qid=%d is full\n",
2559 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2560
2561 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2562
2563 RT2860_SOFTC_UNLOCK(sc);
2564
2565 m_freem(m);
2566 ieee80211_free_node(ni);
2567
2568 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2569
2570 return ENOBUFS;
2571 }
2572
2573 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2574 {
2575 ifp->if_oerrors++;
2576
2577 RT2860_SOFTC_UNLOCK(sc);
2578
2579 ieee80211_free_node(ni);
2580
2581 return EIO;
2582 }
2583
2584 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2585
2586 RT2860_SOFTC_UNLOCK(sc);
2587
2588 return 0;
2589 }
2590
2591 /*
2592 * rt2860_recv_action
2593 */
2594 static int rt2860_recv_action(struct ieee80211_node *ni,
2595 const struct ieee80211_frame *wh,
2596 const uint8_t *frm, const uint8_t *efrm)
2597 {
2598 struct rt2860_softc *sc;
2599 struct ieee80211com *ic;
2600 struct ifnet *ifp;
2601 const struct ieee80211_action *ia;
2602 uint16_t associd, status, baparamset;
2603 uint8_t wcid;
2604 int ret, tid, bufsize;
2605 uint32_t tmp;
2606
2607 ic = ni->ni_ic;
2608 ifp = ic->ic_ifp;
2609 sc = ifp->if_softc;
2610
2611 ia = (const struct ieee80211_action *) frm;
2612
2613 ret = sc->recv_action(ni, wh, frm, efrm);
2614
2615 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2616 return ret;
2617
2618 associd = (ni != NULL) ? ni->ni_associd : 0;
2619 wcid = RT2860_AID2WCID(associd);
2620
2621 switch (ia->ia_action)
2622 {
2623 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2624 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2625 baparamset = LE_READ_2(frm + 3);
2626 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2627 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2628
2629 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2630 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2631 device_get_nameunit(sc->dev), associd, tid, bufsize);
2632
2633 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2634
2635 tmp |= (0x10000 << tid);
2636
2637 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2638 break;
2639
2640 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2641 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2642 status = LE_READ_2(frm + 3);
2643 baparamset = LE_READ_2(frm + 4);
2644 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2645 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2646
2647 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2648 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2649 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2650
2651 if (status == IEEE80211_STATUS_SUCCESS)
2652 {
2653 sc->tx_ampdu_sessions++;
2654
2655 rt2860_asic_updateprot(sc);
2656 }
2657 break;
2658
2659 /* IEEE80211_ACTION_BA_DELBA */
2660 case IEEE80211_ACTION_BA_DELBA:
2661 baparamset = LE_READ_2(frm + 2);
2662 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2663
2664 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2665 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2666 device_get_nameunit(sc->dev), associd, tid);
2667
2668 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2669
2670 tmp &= ~(0x10000 << tid);
2671
2672 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2673 break;
2674 }
2675
2676 return ret;
2677 }
2678
2679 /*
2680 * rt2860_send_action
2681 */
2682 static int rt2860_send_action(struct ieee80211_node *ni,
2683 int cat, int act, void *sa)
2684 {
2685 struct rt2860_softc *sc;
2686 struct ieee80211com *ic;
2687 struct ifnet *ifp;
2688 uint16_t associd, *args, baparamset;
2689 uint8_t wcid;
2690 int ret, tid;
2691 uint32_t tmp;
2692
2693 ic = ni->ni_ic;
2694 ifp = ic->ic_ifp;
2695 sc = ifp->if_softc;
2696
2697 ret = sc->send_action(ni, cat, act, sa);
2698
2699 if (cat != IEEE80211_ACTION_CAT_BA)
2700 return ret;
2701
2702 associd = (ni != NULL) ? ni->ni_associd : 0;
2703 wcid = RT2860_AID2WCID(associd);
2704 args = sa;
2705
2706 switch (act)
2707 {
2708 /* IEEE80211_ACTION_BA_DELBA */
2709 case IEEE80211_ACTION_BA_DELBA:
2710 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2711
2712 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2713
2714 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2715 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2716 device_get_nameunit(sc->dev), associd, tid);
2717
2718 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2719 {
2720 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2721
2722 tmp &= ~(0x10000 << tid);
2723
2724 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2725 }
2726 else
2727 {
2728 sc->tx_ampdu_sessions--;
2729
2730 rt2860_asic_updateprot(sc);
2731 }
2732 break;
2733 }
2734
2735 return ret;
2736 }
2737
2738 /*
2739 * rt2860_amrr_update_iter_func
2740 */
2741 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2742 {
2743 struct rt2860_softc *sc;
2744 struct ieee80211com *ic;
2745 struct ifnet *ifp;
2746 struct ieee80211vap *vap;
2747 struct rt2860_softc_vap *rvap;
2748 uint8_t wcid;
2749
2750 vap = arg;
2751 ic = vap->iv_ic;
2752 ifp = ic->ic_ifp;
2753 sc = ifp->if_softc;
2754 rvap = (struct rt2860_softc_vap *) vap;
2755
2756 /* only associated stations */
2757
2758 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2759 {
2760 wcid = RT2860_AID2WCID(ni->ni_associd);
2761
2762 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2763 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2764 device_get_nameunit(sc->dev),
2765 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2766
2767 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2768
2769 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2770 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2771 device_get_nameunit(sc->dev),
2772 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2773 ni->ni_associd, ni->ni_txrate,
2774 (ni->ni_flags & IEEE80211_NODE_HT) ?
2775 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2776 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2777 }
2778 }
2779
2780 /*
2781 * rt2860_periodic
2782 */
2783 static void rt2860_periodic(void *arg)
2784 {
2785 struct rt2860_softc *sc;
2786
2787 sc = arg;
2788
2789 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2790 "%s: periodic\n",
2791 device_get_nameunit(sc->dev));
2792
2793 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2794 }
2795
2796 /*
2797 * rt2860_tx_watchdog
2798 */
2799 static void rt2860_tx_watchdog(void *arg)
2800 {
2801 struct rt2860_softc *sc;
2802 struct ifnet *ifp;
2803
2804 sc = arg;
2805 ifp = sc->ifp;
2806
2807 if (sc->tx_timer == 0)
2808 return;
2809
2810 if (--sc->tx_timer == 0)
2811 {
2812 printf("%s: Tx watchdog timeout: resetting\n",
2813 device_get_nameunit(sc->dev));
2814
2815 rt2860_stop_locked(sc);
2816 rt2860_init_locked(sc);
2817
2818 ifp->if_oerrors++;
2819
2820 sc->tx_watchdog_timeouts++;
2821 }
2822
2823 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2824 }
2825
2826 /*
2827 * rt2860_asic_set_bssid
2828 */
2829 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2830 const uint8_t *bssid)
2831 {
2832 uint32_t tmp;
2833
2834 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2835 "%s: set bssid: bssid=%s\n",
2836 device_get_nameunit(sc->dev),
2837 ether_sprintf(bssid));
2838
2839 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2840
2841 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2842
2843 tmp = bssid[4] | (bssid[5] << 8);
2844
2845 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2846 }
2847
2848 /*
2849 * rt2860_asic_set_macaddr
2850 */
2851 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2852 const uint8_t *addr)
2853 {
2854 uint32_t tmp;
2855
2856 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2857
2858 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2859
2860 tmp = addr[4] | (addr[5] << 8);
2861
2862 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2863 }
2864
2865 /*
2866 * rt2860_asic_enable_tsf_sync
2867 */
2868 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2869 {
2870 struct ifnet *ifp;
2871 struct ieee80211com *ic;
2872 struct ieee80211vap *vap;
2873 uint32_t tmp;
2874
2875 ifp = sc->ifp;
2876 ic = ifp->if_l2com;
2877 vap = TAILQ_FIRST(&ic->ic_vaps);
2878
2879 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2880 "%s: enabling TSF\n",
2881 device_get_nameunit(sc->dev));
2882
2883 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2884
2885 tmp &= ~0x1fffff;
2886 tmp |= vap->iv_bss->ni_intval * 16;
2887 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2888
2889 if (vap->iv_opmode == IEEE80211_M_STA)
2890 {
2891 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2892 }
2893 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2894 {
2895 tmp |= RT2860_REG_BCN_TX_ENABLE;
2896 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2897 }
2898 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2899 {
2900 tmp |= RT2860_REG_BCN_TX_ENABLE;
2901 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2902 }
2903
2904 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2905 }
2906
2907 /*
2908 * rt2860_asic_disable_tsf_sync
2909 */
2910 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
2911 {
2912 uint32_t tmp;
2913
2914 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2915 "%s: disabling TSF\n",
2916 device_get_nameunit(sc->dev));
2917
2918 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2919
2920 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
2921 RT2860_REG_TSF_TIMER_ENABLE |
2922 RT2860_REG_TBTT_TIMER_ENABLE);
2923
2924 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2925 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2926
2927 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
2928 }
2929
2930 /*
2931 * rt2860_asic_enable_mrr
2932 */
2933 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
2934 {
2935 #define CCK(mcs) (mcs)
2936 #define OFDM(mcs) ((1 << 3) | (mcs))
2937 #define HT(mcs) (mcs)
2938
2939 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
2940 (OFDM(6) << 28) | /* 54 -> 48 */
2941 (OFDM(5) << 24) | /* 48 -> 36 */
2942 (OFDM(4) << 20) | /* 36 -> 24 */
2943 (OFDM(3) << 16) | /* 24 -> 18 */
2944 (OFDM(2) << 12) | /* 18 -> 12 */
2945 (OFDM(1) << 8) | /* 12 -> 9 */
2946 (OFDM(0) << 4) | /* 9 -> 6 */
2947 OFDM(0)); /* 6 -> 6 */
2948
2949 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
2950 (CCK(2) << 12) | /* 11 -> 5.5 */
2951 (CCK(1) << 8) | /* 5.5 -> 2 */
2952 (CCK(0) << 4) | /* 2 -> 1 */
2953 CCK(0)); /* 1 -> 1 */
2954
2955 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
2956 (HT(6) << 28) |
2957 (HT(5) << 24) |
2958 (HT(4) << 20) |
2959 (HT(3) << 16) |
2960 (HT(2) << 12) |
2961 (HT(1) << 8) |
2962 (HT(0) << 4) |
2963 HT(0));
2964
2965 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
2966 (HT(14) << 28) |
2967 (HT(13) << 24) |
2968 (HT(12) << 20) |
2969 (HT(11) << 16) |
2970 (HT(10) << 12) |
2971 (HT(9) << 8) |
2972 (HT(8) << 4) |
2973 HT(7));
2974
2975 #undef HT
2976 #undef OFDM
2977 #undef CCK
2978 }
2979
2980 /*
2981 * rt2860_asic_set_txpreamble
2982 */
2983 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
2984 {
2985 struct ifnet *ifp;
2986 struct ieee80211com *ic;
2987 uint32_t tmp;
2988
2989 ifp = sc->ifp;
2990 ic = ifp->if_l2com;
2991
2992 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2993 "%s: %s short Tx preamble\n",
2994 device_get_nameunit(sc->dev),
2995 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2996
2997 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
2998
2999 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3000
3001 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3002 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3003
3004 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3005 }
3006
3007 /*
3008 * rt2860_asic_set_basicrates
3009 */
3010 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3011 {
3012 struct ifnet *ifp;
3013 struct ieee80211com *ic;
3014
3015 ifp = sc->ifp;
3016 ic = ifp->if_l2com;
3017
3018 if (ic->ic_curmode == IEEE80211_MODE_11B)
3019 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3020 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3021 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3022 else
3023 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3024 }
3025
3026 /*
3027 * rt2860_asic_update_rtsthreshold
3028 */
3029 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3030 {
3031 struct ifnet *ifp;
3032 struct ieee80211com *ic;
3033 struct ieee80211vap *vap;
3034 uint32_t tmp;
3035 uint16_t threshold;
3036
3037 ifp = sc->ifp;
3038 ic = ifp->if_l2com;
3039 vap = TAILQ_FIRST(&ic->ic_vaps);
3040
3041 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3042 "%s: updating RTS threshold: %d\n",
3043 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3044
3045 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3046
3047 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3048
3049 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
3050 vap->iv_rtsthreshold : 0x1000;
3051
3052 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3053 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3054
3055 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3056 }
3057
3058 /*
3059 * rt2860_asic_update_txpower
3060 */
3061 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3062 {
3063 struct ifnet *ifp;
3064 struct ieee80211com *ic;
3065 uint32_t *txpow_rate;
3066 int8_t delta;
3067 uint8_t val;
3068 uint32_t tmp;
3069 int i;
3070
3071 ifp = sc->ifp;
3072 ic = ifp->if_l2com;
3073
3074 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3075 "%s: updating Tx power: %d\n",
3076 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3077
3078 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3079 {
3080 txpow_rate = sc->txpow_rate_20mhz;
3081 }
3082 else
3083 {
3084 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3085 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3086 else
3087 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3088 }
3089
3090 delta = 0;
3091
3092 val = rt2860_io_bbp_read(sc, 1);
3093 val &= 0xfc;
3094
3095 if (ic->ic_txpowlimit > 90)
3096 {
3097 /* do nothing */
3098 }
3099 else if (ic->ic_txpowlimit > 60)
3100 {
3101 delta -= 1;
3102 }
3103 else if (ic->ic_txpowlimit > 30)
3104 {
3105 delta -= 3;
3106 }
3107 else if (ic->ic_txpowlimit > 15)
3108 {
3109 val |= 0x1;
3110 }
3111 else if (ic->ic_txpowlimit > 9)
3112 {
3113 val |= 0x1;
3114 delta -= 3;
3115 }
3116 else
3117 {
3118 val |= 0x2;
3119 }
3120
3121 rt2860_io_bbp_write(sc, 1, val);
3122
3123 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3124 {
3125 if (txpow_rate[i] == 0xffffffff)
3126 continue;
3127
3128 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3129
3130 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3131 }
3132 }
3133
3134 /*
3135 * rt2860_asic_update_promisc
3136 */
3137 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3138 {
3139 struct ifnet *ifp;
3140 uint32_t tmp;
3141
3142 ifp = sc->ifp;
3143
3144 printf("%s: %s promiscuous mode\n",
3145 device_get_nameunit(sc->dev),
3146 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3147
3148 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3149
3150 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3151
3152 if (!(ifp->if_flags & IFF_PROMISC))
3153 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3154
3155 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3156 }
3157
3158 /*
3159 * rt2860_asic_updateprot
3160 */
3161 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3162 {
3163 struct ifnet *ifp;
3164 struct ieee80211com *ic;
3165 struct ieee80211vap *vap;
3166 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3167 uint8_t htopmode;
3168 enum ieee80211_protmode htprotmode;
3169
3170 ifp = sc->ifp;
3171 ic = ifp->if_l2com;
3172 vap = TAILQ_FIRST(&ic->ic_vaps);
3173
3174 /* CCK frame protection */
3175
3176 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3177 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3178
3179 /* set up protection frame phy mode and rate (MCS code) */
3180
3181 if (ic->ic_curmode == IEEE80211_MODE_11A)
3182 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3183 (0 << RT2860_REG_PROT_MCS_SHIFT);
3184 else
3185 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3186 (3 << RT2860_REG_PROT_MCS_SHIFT));
3187
3188 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3189
3190 /* OFDM frame protection */
3191
3192 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3193 RT2860_REG_TXOP_ALLOW_ALL;
3194
3195 if (ic->ic_flags & IEEE80211_F_USEPROT)
3196 {
3197 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3198 "%s: updating protection mode: b/g protection mode=%s\n",
3199 device_get_nameunit(sc->dev),
3200 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3201 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3202
3203 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3204 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3205 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3206 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3207 else
3208 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3209 }
3210 else
3211 {
3212 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3213 "%s: updating protection mode: b/g protection mode=%s\n",
3214 device_get_nameunit(sc->dev), "none");
3215
3216 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3217 }
3218
3219 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3220
3221 /* HT frame protection */
3222
3223 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3224 htopmode = vap->iv_bss->ni_htopmode;
3225 else
3226 htopmode = ic->ic_curhtprotmode;
3227
3228 htprotmode = ic->ic_htprotmode;
3229
3230 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3231
3232 if (sc->tx_ampdu_sessions > 0)
3233 {
3234 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3235 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3236 device_get_nameunit(sc->dev));
3237
3238 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3239 htprotmode = IEEE80211_PROT_RTSCTS;
3240 }
3241
3242 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3243 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3244 device_get_nameunit(sc->dev),
3245 htopmode & IEEE80211_HTINFO_OPMODE,
3246 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3247 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3248
3249 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3250 {
3251 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3252 case IEEE80211_HTINFO_OPMODE_HT20PR:
3253 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3254 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3255 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3256 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3257 (4 << RT2860_REG_PROT_MCS_SHIFT);
3258
3259 gf20_prot = mm20_prot;
3260
3261 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3262 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3263 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3264
3265 if (htprotmode == IEEE80211_PROT_RTSCTS)
3266 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3267 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3268 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3269 else
3270 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3271
3272 gf40_prot = mm40_prot;
3273 break;
3274
3275 /* IEEE80211_HTINFO_OPMODE_MIXED */
3276 case IEEE80211_HTINFO_OPMODE_MIXED:
3277 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3278 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3279 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3280
3281 if (ic->ic_flags & IEEE80211_F_USEPROT)
3282 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3283 (3 << RT2860_REG_PROT_MCS_SHIFT);
3284 else
3285 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3286 (4 << RT2860_REG_PROT_MCS_SHIFT);
3287
3288 if (htprotmode == IEEE80211_PROT_RTSCTS)
3289 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3290 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3291 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3292 else
3293 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3294
3295 gf20_prot = mm20_prot;
3296
3297 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3298
3299 if (ic->ic_flags & IEEE80211_F_USEPROT)
3300 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3301 (3 << RT2860_REG_PROT_MCS_SHIFT);
3302 else
3303 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3304 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3305
3306 if (htprotmode == IEEE80211_PROT_RTSCTS)
3307 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3308 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3309 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3310 else
3311 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3312
3313 gf40_prot = mm40_prot;
3314 break;
3315
3316 /*
3317 * IEEE80211_HTINFO_OPMODE_PURE
3318 * IEEE80211_HTINFO_OPMODE_PROTOPT
3319 */
3320 case IEEE80211_HTINFO_OPMODE_PURE:
3321 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3322 default:
3323 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3324 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3325 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3326 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3327 (4 << RT2860_REG_PROT_MCS_SHIFT);
3328
3329 gf20_prot = mm20_prot;
3330
3331 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3332 RT2860_REG_TXOP_ALLOW_ALL |
3333 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3334 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3335
3336 gf40_prot = mm40_prot;
3337 break;
3338 }
3339
3340 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3341 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3342 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3343 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3344 }
3345
3346 /*
3347 * rt2860_asic_updateslot
3348 */
3349 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3350 {
3351 struct ifnet *ifp;
3352 struct ieee80211com *ic;
3353 uint32_t tmp;
3354
3355 ifp = sc->ifp;
3356 ic = ifp->if_l2com;
3357
3358 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3359 "%s: %s short slot time\n",
3360 device_get_nameunit(sc->dev),
3361 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3362
3363 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3364
3365 tmp &= ~0xff;
3366 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3367
3368 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3369 }
3370
3371 /*
3372 * rt2860_asic_wme_update
3373 */
3374 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3375 {
3376 struct ifnet *ifp;
3377 struct ieee80211com *ic;
3378 struct ieee80211_wme_state *wme;
3379 const struct wmeParams *wmep;
3380 int i;
3381
3382 ifp = sc->ifp;
3383 ic = ifp->if_l2com;
3384 wme = &ic->ic_wme;
3385 wmep = wme->wme_chanParams.cap_wmeParams;
3386
3387 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3388 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3389 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3390 device_get_nameunit(sc->dev),
3391 wmep[WME_AC_VO].wmep_aifsn,
3392 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3393 wmep[WME_AC_VO].wmep_txopLimit,
3394 wmep[WME_AC_VI].wmep_aifsn,
3395 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3396 wmep[WME_AC_VI].wmep_txopLimit,
3397 wmep[WME_AC_BK].wmep_aifsn,
3398 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3399 wmep[WME_AC_BK].wmep_txopLimit,
3400 wmep[WME_AC_BE].wmep_aifsn,
3401 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3402 wmep[WME_AC_BE].wmep_txopLimit);
3403
3404 for (i = 0; i < WME_NUM_AC; i++)
3405 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3406 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3407 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3408
3409 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3410 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3411 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3412
3413 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3414 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3415 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3416
3417 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3418 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3419 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3420
3421 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3422 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3423
3424 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3425 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3426 }
3427
3428 /*
3429 * rt2860_asic_update_beacon
3430 */
3431 static int rt2860_asic_update_beacon(struct rt2860_softc *sc,
3432 struct ieee80211vap *vap)
3433 {
3434 struct ifnet *ifp;
3435 struct ieee80211com *ic;
3436 struct rt2860_softc_vap *rvap;
3437 const struct ieee80211_txparam *tp;
3438 struct mbuf *m;
3439 struct rt2860_txwi txwi;
3440 uint8_t rate, mcs;
3441 uint32_t tmp;
3442
3443 ifp = sc->ifp;
3444 ic = ifp->if_l2com;
3445 rvap = (struct rt2860_softc_vap *) vap;
3446 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3447
3448 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3449 if (m == NULL)
3450 return ENOMEM;
3451
3452 rate = tp->mgmtrate;
3453 mcs = rt2860_rate2mcs(rate);
3454
3455 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3456
3457 txwi.wcid = 0xff;
3458 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3459 RT2860_TXWI_MPDU_LEN_SHIFT);
3460 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3461 txwi.mpdu_density_flags |=
3462 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3463 txwi.bawin_size_xflags |=
3464 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3465
3466 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3467 {
3468 txwi.phymode_ifs_stbc_shortgi =
3469 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3470
3471 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3472 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3473 }
3474 else
3475 {
3476 txwi.phymode_ifs_stbc_shortgi =
3477 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3478 }
3479
3480 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3481 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3482
3483 /* disable temporarily TSF sync */
3484
3485 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3486
3487 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3488 RT2860_REG_TSF_TIMER_ENABLE |
3489 RT2860_REG_TBTT_TIMER_ENABLE);
3490
3491 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3492
3493 /* write Tx wireless info and beacon frame to on-chip memory */
3494
3495 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3496 &txwi, sizeof(struct rt2860_txwi));
3497
3498 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3499 mtod(m, uint8_t *), m->m_pkthdr.len);
3500
3501 /* enable again TSF sync */
3502
3503 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3504
3505 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3506 RT2860_REG_TSF_TIMER_ENABLE |
3507 RT2860_REG_TBTT_TIMER_ENABLE);
3508
3509 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3510
3511 m_freem(m);
3512
3513 return 0;
3514 }
3515
3516 /*
3517 * rt2860_asic_clear_keytables
3518 */
3519 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3520 {
3521 int i;
3522
3523 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3524
3525 for (i = 0; i < 256; i++)
3526 {
3527 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3528 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3529 }
3530
3531 /* clear WCID attribute table (entries = 256, entry size = 4) */
3532
3533 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3534
3535 /* clear IV/EIV table (entries = 256, entry size = 8) */
3536
3537 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3538
3539 /* clear pairwise key table (entries = 256, entry size = 32) */
3540
3541 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3542
3543 /* clear shared key table (entries = 32, entry size = 32) */
3544
3545 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3546
3547 /* clear shared key mode (entries = 32, entry size = 2) */
3548
3549 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3550 }
3551
3552 /*
3553 * rt2860_rxrate
3554 */
3555 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3556 {
3557 uint8_t mcs, phymode;
3558 uint8_t rate;
3559
3560 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3561 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3562 RT2860_RXWI_PHYMODE_MASK;
3563
3564 rate = 2;
3565
3566 switch (phymode)
3567 {
3568 case RT2860_RXWI_PHYMODE_CCK:
3569 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3570 {
3571 case 0: rate = 2; break; /* 1 Mbps */
3572 case 1: rate = 4; break; /* 2 MBps */
3573 case 2: rate = 11; break; /* 5.5 Mbps */
3574 case 3: rate = 22; break; /* 11 Mbps */
3575 }
3576 break;
3577
3578 case RT2860_RXWI_PHYMODE_OFDM:
3579 switch (mcs)
3580 {
3581 case 0: rate = 12; break; /* 6 Mbps */
3582 case 1: rate = 18; break; /* 9 Mbps */
3583 case 2: rate = 24; break; /* 12 Mbps */
3584 case 3: rate = 36; break; /* 18 Mbps */
3585 case 4: rate = 48; break; /* 24 Mbps */
3586 case 5: rate = 72; break; /* 36 Mbps */
3587 case 6: rate = 96; break; /* 48 Mbps */
3588 case 7: rate = 108; break; /* 54 Mbps */
3589 }
3590 break;
3591
3592 case RT2860_RXWI_PHYMODE_HT_MIXED:
3593 case RT2860_RXWI_PHYMODE_HT_GF:
3594 break;
3595 }
3596
3597 return rate;
3598 }
3599
3600 /*
3601 * rt2860_maxrssi_rxpath
3602 */
3603 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3604 const struct rt2860_rxwi *rxwi)
3605 {
3606 uint8_t rxpath;
3607
3608 rxpath = 0;
3609
3610 if (sc->nrxpath > 1)
3611 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3612 rxpath = 1;
3613
3614 if (sc->nrxpath > 2)
3615 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3616 rxpath = 2;
3617
3618 return rxpath;
3619 }
3620
3621 /*
3622 * rt2860_rssi2dbm
3623 */
3624 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3625 uint8_t rssi, uint8_t rxpath)
3626 {
3627 struct ifnet *ifp;
3628 struct ieee80211com *ic;
3629 struct ieee80211_channel *c;
3630 int chan;
3631 int8_t rssi_off, lna_gain;
3632
3633 if (rssi == 0)
3634 return -99;
3635
3636 ifp = sc->ifp;
3637 ic = ifp->if_l2com;
3638 c = ic->ic_curchan;
3639 chan = ieee80211_chan2ieee(ic, c);
3640
3641 if (IEEE80211_IS_CHAN_5GHZ(c))
3642 {
3643 rssi_off = sc->rssi_off_5ghz[rxpath];
3644
3645 if (chan <= 64)
3646 lna_gain = sc->lna_gain[1];
3647 else if (chan <= 128)
3648 lna_gain = sc->lna_gain[2];
3649 else
3650 lna_gain = sc->lna_gain[3];
3651 }
3652 else
3653 {
3654 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3655 lna_gain = sc->lna_gain[0];
3656 }
3657
3658 return (-12 - rssi_off - lna_gain - rssi);
3659 }
3660
3661 /*
3662 * rt2860_rate2mcs
3663 */
3664 static uint8_t rt2860_rate2mcs(uint8_t rate)
3665 {
3666 switch (rate)
3667 {
3668 /* CCK rates */
3669 case 2: return 0;
3670 case 4: return 1;
3671 case 11: return 2;
3672 case 22: return 3;
3673
3674 /* OFDM rates */
3675 case 12: return 0;
3676 case 18: return 1;
3677 case 24: return 2;
3678 case 36: return 3;
3679 case 48: return 4;
3680 case 72: return 5;
3681 case 96: return 6;
3682 case 108: return 7;
3683 }
3684
3685 return 0;
3686 }
3687
3688 /*
3689 * rt2860_tx_mgmt
3690 */
3691 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3692 struct mbuf *m, struct ieee80211_node *ni, int qid)
3693 {
3694 struct ifnet *ifp;
3695 struct ieee80211com *ic;
3696 struct ieee80211vap *vap;
3697 const struct ieee80211_txparam *tp;
3698 struct rt2860_softc_node *rni;
3699 struct rt2860_softc_tx_ring *ring;
3700 struct rt2860_softc_tx_data *data;
3701 struct rt2860_txdesc *desc;
3702 struct rt2860_txwi *txwi;
3703 struct ieee80211_frame *wh;
3704 struct rt2860_softc_tx_radiotap_header *tap;
3705 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3706 u_int hdrsize, hdrspace;
3707 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3708 uint16_t len, dmalen, mpdu_len, dur;
3709 int error, ndmasegs, ndescs, i, j;
3710
3711 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3712 ("%s: Tx MGMT: invalid qid=%d\n",
3713 device_get_nameunit(sc->dev), qid));
3714
3715 ifp = sc->ifp;
3716 ic = ifp->if_l2com;
3717 vap = ni->ni_vap;
3718 rni = (struct rt2860_softc_node *) ni;
3719 tp = ni->ni_txparms;
3720
3721 ring = &sc->tx_ring[qid];
3722 desc = &ring->desc[ring->desc_cur];
3723 data = &ring->data[ring->data_cur];
3724 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3725
3726 wh = mtod(m, struct ieee80211_frame *);
3727
3728 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3729
3730 /* fill Tx wireless info */
3731
3732 if (ni->ni_flags & IEEE80211_NODE_HT)
3733 mcs = rate;
3734 else
3735 mcs = rt2860_rate2mcs(rate);
3736
3737 pid = mcs;
3738
3739 /* calculate MPDU length without padding */
3740
3741 hdrsize = ieee80211_hdrsize(wh);
3742 hdrspace = ieee80211_hdrspace(ic, wh);
3743 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3744
3745 memset(txwi, 0, sizeof(struct rt2860_txwi));
3746
3747 /* management frames do not need encryption */
3748
3749 txwi->wcid = 0xff;
3750
3751 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3752 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3753 RT2860_TXWI_MPDU_LEN_SHIFT);
3754
3755 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3756
3757 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3758 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
3759
3760 txwi->phymode_ifs_stbc_shortgi |=
3761 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3762 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3763
3764 if (ni->ni_flags & IEEE80211_NODE_HT)
3765 {
3766 txwi->phymode_ifs_stbc_shortgi |=
3767 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3768 }
3769 else
3770 {
3771 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3772 {
3773 txwi->phymode_ifs_stbc_shortgi |=
3774 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3775
3776 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3777 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3778 }
3779 else
3780 {
3781 txwi->phymode_ifs_stbc_shortgi |=
3782 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3783 }
3784 }
3785
3786 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3787 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3788
3789 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3790
3791 /* skip ACKs for multicast frames and probe responses */
3792
3793 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3794 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3795 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3796 {
3797 txwi->bawin_size_xflags |=
3798 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3799
3800 if (ni->ni_flags & IEEE80211_NODE_HT)
3801 {
3802 /* preamble + plcp + signal extension + SIFS */
3803
3804 dur = 16 + 4 + 6 + 10;
3805 }
3806 else
3807 {
3808 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3809 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3810 }
3811
3812 *(uint16_t *) wh->i_dur = htole16(dur);
3813 }
3814
3815 /* ask MAC to insert timestamp into probe responses */
3816
3817 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3818 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3819 txwi->mpdu_density_flags |=
3820 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3821
3822 if (ieee80211_radiotap_active_vap(vap))
3823 {
3824 tap = &sc->txtap;
3825
3826 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3827 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3828 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3829 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3830 tap->chan_maxpow = 0;
3831
3832 if (ni->ni_flags & IEEE80211_NODE_HT)
3833 tap->rate = mcs | IEEE80211_RATE_MCS;
3834 else
3835 tap->rate = rate;
3836
3837 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
3838 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3839
3840 if (shortgi)
3841 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3842
3843 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3844 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
3845
3846 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3847 {
3848 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3849
3850 ieee80211_radiotap_tx(vap, m);
3851
3852 wh->i_fc[1] |= IEEE80211_FC1_WEP;
3853 }
3854 else
3855 {
3856 ieee80211_radiotap_tx(vap, m);
3857 }
3858 }
3859
3860 /* copy and trim 802.11 header */
3861
3862 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
3863 m_adj(m, hdrspace);
3864
3865 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3866 dma_seg, &ndmasegs, 0);
3867 if (error != 0)
3868 {
3869 /* too many fragments, linearize */
3870
3871 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3872 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
3873 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3874
3875 m = m_defrag(m, M_DONTWAIT);
3876 if (m == NULL)
3877 return ENOMEM;
3878
3879 sc->tx_defrag_packets++;
3880
3881 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
3882 dma_seg, &ndmasegs, 0);
3883 if (error != 0)
3884 {
3885 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
3886 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
3887 m_freem(m);
3888 return error;
3889 }
3890 }
3891
3892 if (m->m_pkthdr.len == 0)
3893 ndmasegs = 0;
3894
3895 /* determine how many Tx descs are required */
3896
3897 ndescs = 1 + ndmasegs / 2;
3898 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
3899 {
3900 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3901 "%s: there are not enough Tx descs\n",
3902 device_get_nameunit(sc->dev));
3903
3904 sc->no_tx_desc_avail++;
3905
3906 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
3907 m_freem(m);
3908 return EFBIG;
3909 }
3910
3911 data->m = m;
3912 data->ni = ni;
3913
3914 /* set up Tx descs */
3915
3916 /* first segment is Tx wireless info and 802.11 header */
3917
3918 len = sizeof(struct rt2860_txwi) + hdrsize;
3919
3920 /* align end on a 4-bytes boundary */
3921
3922 dmalen = (len + 3) & ~ 3;
3923
3924 memset((caddr_t) txwi + len, 0, dmalen - len);
3925
3926 qsel = RT2860_TXDESC_QSEL_EDCA;
3927
3928 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3929 desc->sdl0 = htole16(dmalen);
3930 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3931
3932 /* set up payload segments */
3933
3934 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
3935 {
3936 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3937 desc->sdl1 = htole16(dma_seg[j].ds_len);
3938
3939 ring->desc_queued++;
3940 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3941
3942 j++;
3943
3944 desc = &ring->desc[ring->desc_cur];
3945
3946 desc->sdp0 = htole32(dma_seg[j].ds_addr);
3947 desc->sdl0 = htole16(dma_seg[j].ds_len);
3948 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
3949
3950 j++;
3951 }
3952
3953 /* finalize last payload segment */
3954
3955 if (i > 0)
3956 {
3957 desc->sdp1 = htole32(dma_seg[j].ds_addr);
3958 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
3959 }
3960 else
3961 {
3962 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
3963 desc->sdl1 = 0;
3964 }
3965
3966 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
3967 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
3968 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
3969 device_get_nameunit(sc->dev),
3970 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
3971 stbc, shortgi, mcs, dmalen, ndmasegs,
3972 (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);
3973
3974 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
3975 BUS_DMASYNC_PREWRITE);
3976 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
3977 BUS_DMASYNC_PREWRITE);
3978 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
3979 BUS_DMASYNC_PREWRITE);
3980
3981 ring->desc_queued++;
3982 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
3983
3984 ring->data_queued++;
3985 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
3986
3987 /* kick Tx */
3988
3989 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
3990
3991 return 0;
3992 }
3993
3994 /*
3995 * rt2860_tx_data
3996 */
3997 static int rt2860_tx_data(struct rt2860_softc *sc,
3998 struct mbuf *m, struct ieee80211_node *ni, int qid)
3999 {
4000 struct ifnet *ifp;
4001 struct ieee80211com *ic;
4002 struct ieee80211vap *vap;
4003 const struct ieee80211_txparam *tp;
4004 struct rt2860_softc_node *rni;
4005 struct rt2860_softc_tx_ring *ring;
4006 struct rt2860_softc_tx_data *data;
4007 struct rt2860_txdesc *desc;
4008 struct rt2860_txwi *txwi;
4009 struct ieee80211_frame *wh;
4010 struct ieee80211_tx_ampdu *tx_ampdu;
4011 ieee80211_seq seqno;
4012 struct rt2860_softc_tx_radiotap_header *tap;
4013 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4014 u_int hdrsize, hdrspace;
4015 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4016 uint16_t qos, len, dmalen, mpdu_len, dur;
4017 int error, hasqos, ac, tid, ampdu, ndmasegs, ndescs, i, j;
4018
4019 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4020 ("%s: Tx data: invalid qid=%d\n",
4021 device_get_nameunit(sc->dev), qid));
4022
4023 ifp = sc->ifp;
4024 ic = ifp->if_l2com;
4025 vap = ni->ni_vap;
4026 rni = (struct rt2860_softc_node *) ni;
4027 tp = ni->ni_txparms;
4028
4029 ring = &sc->tx_ring[qid];
4030 desc = &ring->desc[ring->desc_cur];
4031 data = &ring->data[ring->data_cur];
4032 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4033
4034 wh = mtod(m, struct ieee80211_frame *);
4035
4036 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4037
4038 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4039 if (hasqos)
4040 {
4041 if (IEEE80211_HAS_ADDR4(wh))
4042 qos = le16toh(*(const uint16_t *)
4043 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4044 else
4045 qos = le16toh(*(const uint16_t *)
4046 (((struct ieee80211_qosframe *) wh)->i_qos));
4047 }
4048 else
4049 {
4050 qos = 0;
4051 }
4052
4053 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4054 rate = tp->mcastrate;
4055 else if (m->m_flags & M_EAPOL)
4056 rate = tp->mgmtrate;
4057 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4058 rate = tp->ucastrate;
4059 else
4060 rate = ni->ni_txrate;
4061
4062 rate &= IEEE80211_RATE_VAL;
4063
4064 /* fill Tx wireless info */
4065
4066 if (ni->ni_flags & IEEE80211_NODE_HT)
4067 mcs = rate;
4068 else
4069 mcs = rt2860_rate2mcs(rate);
4070
4071 pid = mcs;
4072
4073 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4074 RT2860_AID2WCID(ni->ni_associd) : 0xff;
4075
4076 /* calculate MPDU length without padding */
4077
4078 hdrsize = ieee80211_hdrsize(wh);
4079 hdrspace = ieee80211_hdrspace(ic, wh);
4080 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4081
4082 memset(txwi, 0, sizeof(struct rt2860_txwi));
4083
4084 txwi->wcid = wcid;
4085
4086 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4087 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4088 RT2860_TXWI_MPDU_LEN_SHIFT);
4089
4090 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4091
4092 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4093 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4094
4095 txwi->phymode_ifs_stbc_shortgi |=
4096 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4097 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4098
4099 if (ni->ni_flags & IEEE80211_NODE_HT)
4100 {
4101 txwi->phymode_ifs_stbc_shortgi |=
4102 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4103 }
4104 else
4105 {
4106 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4107 {
4108 txwi->phymode_ifs_stbc_shortgi |=
4109 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4110
4111 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4112 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4113 }
4114 else
4115 {
4116 txwi->phymode_ifs_stbc_shortgi |=
4117 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4118 }
4119 }
4120
4121 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4122 bw = RT2860_TXWI_BW_40;
4123 else
4124 bw = RT2860_TXWI_BW_20;
4125
4126 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4127 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4128
4129 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4130
4131 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4132 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4133 {
4134 txwi->bawin_size_xflags |=
4135 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4136
4137 if (ni->ni_flags & IEEE80211_NODE_HT)
4138 {
4139 /* preamble + plcp + signal extension + SIFS */
4140
4141 dur = 16 + 4 + 6 + 10;
4142 }
4143 else
4144 {
4145 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4146 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4147 }
4148
4149 *(uint16_t *) wh->i_dur = htole16(dur);
4150 }
4151
4152 /* check for A-MPDU */
4153
4154 if (m->m_flags & M_AMPDU_MPDU)
4155 {
4156 ac = M_WME_GETAC(m);
4157 tid = WME_AC_TO_TID(ac);
4158 tx_ampdu = &ni->ni_tx_ampdu[ac];
4159
4160 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4161 bawin_size = 13; //tx_ampdu->txa_wnd;
4162
4163 txwi->mpdu_density_flags |=
4164 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4165 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4166
4167 txwi->bawin_size_xflags |=
4168 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4169
4170 seqno = ni->ni_txseqs[tid]++;
4171
4172 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4173
4174 ampdu = 1;
4175 }
4176 else
4177 {
4178 ampdu = 0;
4179 }
4180
4181 /* ask MAC to insert timestamp into probe responses */
4182
4183 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4184 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4185 txwi->mpdu_density_flags |=
4186 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4187
4188 if (ieee80211_radiotap_active_vap(vap))
4189 {
4190 tap = &sc->txtap;
4191
4192 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4193 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4194 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4195 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4196 tap->chan_maxpow = 0;
4197
4198 if (ni->ni_flags & IEEE80211_NODE_HT)
4199 tap->rate = mcs | IEEE80211_RATE_MCS;
4200 else
4201 tap->rate = rate;
4202
4203 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4204 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4205
4206 if (shortgi)
4207 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4208
4209 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4210 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4211
4212 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4213 {
4214 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4215
4216 ieee80211_radiotap_tx(vap, m);
4217
4218 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4219 }
4220 else
4221 {
4222 ieee80211_radiotap_tx(vap, m);
4223 }
4224 }
4225
4226 /* copy and trim 802.11 header */
4227
4228 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4229 m_adj(m, hdrspace);
4230
4231 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4232 dma_seg, &ndmasegs, 0);
4233 if (error != 0)
4234 {
4235 /* too many fragments, linearize */
4236
4237 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4238 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4239 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4240
4241 m = m_defrag(m, M_DONTWAIT);
4242 if (m == NULL)
4243 return ENOMEM;
4244
4245 sc->tx_defrag_packets++;
4246
4247 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4248 dma_seg, &ndmasegs, 0);
4249 if (error != 0)
4250 {
4251 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4252 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4253 m_freem(m);
4254 return error;
4255 }
4256 }
4257
4258 if (m->m_pkthdr.len == 0)
4259 ndmasegs = 0;
4260
4261 /* determine how many Tx descs are required */
4262
4263 ndescs = 1 + ndmasegs / 2;
4264 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4265 {
4266 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4267 "%s: there are not enough Tx descs\n",
4268 device_get_nameunit(sc->dev));
4269
4270 sc->no_tx_desc_avail++;
4271
4272 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4273 m_freem(m);
4274 return EFBIG;
4275 }
4276
4277 data->m = m;
4278 data->ni = ni;
4279
4280 /* set up Tx descs */
4281
4282 /* first segment is Tx wireless info and 802.11 header */
4283
4284 len = sizeof(struct rt2860_txwi) + hdrsize;
4285
4286 /* align end on a 4-bytes boundary */
4287
4288 dmalen = (len + 3) & ~ 3;
4289
4290 memset((caddr_t) txwi + len, 0, dmalen - len);
4291
4292 qsel = RT2860_TXDESC_QSEL_EDCA;
4293
4294 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4295 desc->sdl0 = htole16(dmalen);
4296 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4297
4298 /* set up payload segments */
4299
4300 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4301 {
4302 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4303 desc->sdl1 = htole16(dma_seg[j].ds_len);
4304
4305 ring->desc_queued++;
4306 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4307
4308 j++;
4309
4310 desc = &ring->desc[ring->desc_cur];
4311
4312 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4313 desc->sdl0 = htole16(dma_seg[j].ds_len);
4314 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4315
4316 j++;
4317 }
4318
4319 /* finalize last payload segment */
4320
4321 if (i > 0)
4322 {
4323 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4324 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4325 }
4326 else
4327 {
4328 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4329 desc->sdl1 = 0;
4330 }
4331
4332 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4333 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4334 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4335 device_get_nameunit(sc->dev),
4336 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4337 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen, ndmasegs,
4338 (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);
4339
4340 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4341 BUS_DMASYNC_PREWRITE);
4342 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4343 BUS_DMASYNC_PREWRITE);
4344 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4345 BUS_DMASYNC_PREWRITE);
4346
4347 ring->desc_queued++;
4348 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4349
4350 ring->data_queued++;
4351 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4352
4353 /* kick Tx */
4354
4355 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4356
4357 return 0;
4358 }
4359
4360 /*
4361 * rt2860_tx_raw
4362 */
4363 static int rt2860_tx_raw(struct rt2860_softc *sc,
4364 struct mbuf *m, struct ieee80211_node *ni,
4365 const struct ieee80211_bpf_params *params)
4366 {
4367 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4368 "%s: Tx raw\n",
4369 device_get_nameunit(sc->dev));
4370
4371 return 0;
4372 }
4373
4374 /*
4375 * rt2860_intr
4376 */
4377 static void rt2860_intr(void *arg)
4378 {
4379 struct rt2860_softc *sc;
4380 struct ifnet *ifp;
4381 uint32_t status;
4382
4383 sc = arg;
4384 ifp = sc->ifp;
4385
4386 /* acknowledge interrupts */
4387
4388 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4389 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4390
4391 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4392 "%s: interrupt: status = 0x%08x\n",
4393 device_get_nameunit(sc->dev), status);
4394
4395 if (status == 0xffffffff || /* device likely went away */
4396 status == 0) /* not for us */
4397 return;
4398
4399 sc->interrupts++;
4400
4401 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4402 return;
4403
4404 if (status & RT2860_REG_INT_TX_COHERENT)
4405 rt2860_tx_coherent_intr(sc);
4406
4407 if (status & RT2860_REG_INT_RX_COHERENT)
4408 rt2860_rx_coherent_intr(sc);
4409
4410 if (status & RT2860_REG_INT_TXRX_COHERENT)
4411 rt2860_txrx_coherent_intr(sc);
4412
4413 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4414 rt2860_fifo_sta_full_intr(sc);
4415
4416 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4417 rt2860_tx_intr(sc, 5);
4418
4419 if (status & RT2860_REG_INT_RX_DONE)
4420 rt2860_rx_intr(sc);
4421
4422 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4423 rt2860_rx_delay_intr(sc);
4424
4425 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4426 rt2860_tx_intr(sc, 4);
4427
4428 if (status & RT2860_REG_INT_TX_AC3_DONE)
4429 rt2860_tx_intr(sc, 3);
4430
4431 if (status & RT2860_REG_INT_TX_AC2_DONE)
4432 rt2860_tx_intr(sc, 2);
4433
4434 if (status & RT2860_REG_INT_TX_AC1_DONE)
4435 rt2860_tx_intr(sc, 1);
4436
4437 if (status & RT2860_REG_INT_TX_AC0_DONE)
4438 rt2860_tx_intr(sc, 0);
4439
4440 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4441 rt2860_tx_delay_intr(sc);
4442
4443 if (status & RT2860_REG_INT_PRE_TBTT)
4444 rt2860_pre_tbtt_intr(sc);
4445
4446 if (status & RT2860_REG_INT_TBTT)
4447 rt2860_tbtt_intr(sc);
4448
4449 if (status & RT2860_REG_INT_MCU_CMD)
4450 rt2860_mcu_cmd_intr(sc);
4451
4452 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4453 rt2860_auto_wakeup_intr(sc);
4454
4455 if (status & RT2860_REG_INT_GP_TIMER)
4456 rt2860_gp_timer_intr(sc);
4457 }
4458
4459 /*
4460 * rt2860_tx_coherent_intr
4461 */
4462 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4463 {
4464 uint32_t tmp;
4465 int i;
4466
4467 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4468 "%s: Tx coherent interrupt\n",
4469 device_get_nameunit(sc->dev));
4470
4471 sc->tx_coherent_interrupts++;
4472
4473 /* restart DMA engine */
4474
4475 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4476
4477 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4478 RT2860_REG_RX_DMA_ENABLE |
4479 RT2860_REG_TX_DMA_ENABLE);
4480
4481 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4482
4483 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4484
4485 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4486 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4487
4488 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4489 {
4490 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4491 sc->tx_ring[i].desc_phys_addr);
4492 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4493 RT2860_SOFTC_TX_RING_DESC_COUNT);
4494 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4495 }
4496
4497 /* init Rx ring */
4498
4499 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4500
4501 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4502 sc->rx_ring.desc_phys_addr);
4503 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4504 RT2860_SOFTC_RX_RING_DATA_COUNT);
4505 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4506 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4507
4508 rt2860_txrx_enable(sc);
4509 }
4510
4511 /*
4512 * rt2860_rx_coherent_intr
4513 */
4514 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4515 {
4516 uint32_t tmp;
4517 int i;
4518
4519 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4520 "%s: Rx coherent interrupt\n",
4521 device_get_nameunit(sc->dev));
4522
4523 sc->rx_coherent_interrupts++;
4524
4525 /* restart DMA engine */
4526
4527 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4528
4529 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4530 RT2860_REG_RX_DMA_ENABLE |
4531 RT2860_REG_TX_DMA_ENABLE);
4532
4533 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4534
4535 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4536
4537 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4538 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4539
4540 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4541 {
4542 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4543 sc->tx_ring[i].desc_phys_addr);
4544 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4545 RT2860_SOFTC_TX_RING_DESC_COUNT);
4546 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4547 }
4548
4549 /* init Rx ring */
4550
4551 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4552
4553 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4554 sc->rx_ring.desc_phys_addr);
4555 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4556 RT2860_SOFTC_RX_RING_DATA_COUNT);
4557 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4558 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4559
4560 rt2860_txrx_enable(sc);
4561 }
4562
4563 /*
4564 * rt2860_txrx_coherent_intr
4565 */
4566 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4567 {
4568 uint32_t tmp;
4569 int i;
4570
4571 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4572 "%s: Tx/Rx coherent interrupt\n",
4573 device_get_nameunit(sc->dev));
4574
4575 sc->txrx_coherent_interrupts++;
4576
4577 /* restart DMA engine */
4578
4579 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4580
4581 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4582 RT2860_REG_RX_DMA_ENABLE |
4583 RT2860_REG_TX_DMA_ENABLE);
4584
4585 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4586
4587 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4588
4589 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4590 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4591
4592 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4593 {
4594 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4595 sc->tx_ring[i].desc_phys_addr);
4596 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4597 RT2860_SOFTC_TX_RING_DESC_COUNT);
4598 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4599 }
4600
4601 /* init Rx ring */
4602
4603 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4604
4605 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4606 sc->rx_ring.desc_phys_addr);
4607 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4608 RT2860_SOFTC_RX_RING_DATA_COUNT);
4609 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4610 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4611
4612 rt2860_txrx_enable(sc);
4613 }
4614
4615 /*
4616 * rt2860_fifo_sta_full_intr
4617 */
4618 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4619 {
4620 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4621 "%s: FIFO statistic full interrupt\n",
4622 device_get_nameunit(sc->dev));
4623
4624 sc->fifo_sta_full_interrupts++;
4625
4626 RT2860_SOFTC_LOCK(sc);
4627
4628 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4629 {
4630 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4631
4632 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4633 }
4634
4635 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4636
4637 RT2860_SOFTC_UNLOCK(sc);
4638 }
4639
4640 /*
4641 * rt2860_rx_intr
4642 */
4643 static void rt2860_rx_intr(struct rt2860_softc *sc)
4644 {
4645 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4646 "%s: Rx interrupt\n",
4647 device_get_nameunit(sc->dev));
4648
4649 sc->rx_interrupts++;
4650
4651 RT2860_SOFTC_LOCK(sc);
4652
4653 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4654 {
4655 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4656
4657 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4658 }
4659
4660 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4661
4662 RT2860_SOFTC_UNLOCK(sc);
4663 }
4664
4665 /*
4666 * rt2860_rx_delay_intr
4667 */
4668 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4669 {
4670 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4671 "%s: Rx delay interrupt\n",
4672 device_get_nameunit(sc->dev));
4673
4674 sc->rx_delay_interrupts++;
4675 }
4676
4677 /*
4678 * rt2860_tx_intr
4679 */
4680 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4681 {
4682 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4683 ("%s: Tx interrupt: invalid qid=%d\n",
4684 device_get_nameunit(sc->dev), qid));
4685
4686 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4687 "%s: Tx interrupt: qid=%d\n",
4688 device_get_nameunit(sc->dev), qid);
4689
4690 sc->tx_interrupts[qid]++;
4691
4692 RT2860_SOFTC_LOCK(sc);
4693
4694 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4695 {
4696 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4697
4698 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4699 }
4700
4701 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4702
4703 RT2860_SOFTC_UNLOCK(sc);
4704 }
4705
4706 /*
4707 * rt2860_tx_delay_intr
4708 */
4709 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4710 {
4711 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4712 "%s: Tx delay interrupt\n",
4713 device_get_nameunit(sc->dev));
4714
4715 sc->tx_delay_interrupts++;
4716 }
4717
4718 /*
4719 * rt2860_pre_tbtt_intr
4720 */
4721 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4722 {
4723 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4724 "%s: Pre-TBTT interrupt\n",
4725 device_get_nameunit(sc->dev));
4726
4727 sc->pre_tbtt_interrupts++;
4728 }
4729
4730 /*
4731 * rt2860_tbtt_intr
4732 */
4733 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4734 {
4735 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4736 "%s: TBTT interrupt\n",
4737 device_get_nameunit(sc->dev));
4738
4739 sc->tbtt_interrupts++;
4740 }
4741
4742 /*
4743 * rt2860_mcu_cmd_intr
4744 */
4745 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4746 {
4747 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4748 "%s: MCU command interrupt\n",
4749 device_get_nameunit(sc->dev));
4750
4751 sc->mcu_cmd_interrupts++;
4752 }
4753
4754 /*
4755 * rt2860_auto_wakeup_intr
4756 */
4757 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4758 {
4759 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4760 "%s: auto wakeup interrupt\n",
4761 device_get_nameunit(sc->dev));
4762
4763 sc->auto_wakeup_interrupts++;
4764 }
4765
4766 /*
4767 * rt2860_gp_timer_intr
4768 */
4769 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4770 {
4771 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4772 "%s: GP timer interrupt\n",
4773 device_get_nameunit(sc->dev));
4774
4775 sc->gp_timer_interrupts++;
4776 }
4777
4778 /*
4779 * rt2860_rx_done_task
4780 */
4781 static void rt2860_rx_done_task(void *context, int pending)
4782 {
4783 struct rt2860_softc *sc;
4784 struct ifnet *ifp;
4785 int again;
4786
4787 sc = context;
4788 ifp = sc->ifp;
4789
4790 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4791 "%s: Rx done task\n",
4792 device_get_nameunit(sc->dev));
4793
4794 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4795 return;
4796
4797 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4798
4799 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4800
4801 RT2860_SOFTC_LOCK(sc);
4802
4803 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4804 {
4805 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4806 "%s: Rx done task: scheduling again\n",
4807 device_get_nameunit(sc->dev));
4808
4809 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4810 }
4811 else
4812 {
4813 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
4814 }
4815
4816 RT2860_SOFTC_UNLOCK(sc);
4817 }
4818
4819 /*
4820 * rt2860_tx_done_task
4821 */
4822 static void rt2860_tx_done_task(void *context, int pending)
4823 {
4824 struct rt2860_softc *sc;
4825 struct ifnet *ifp;
4826 uint32_t intr_mask;
4827 int i;
4828
4829 sc = context;
4830 ifp = sc->ifp;
4831
4832 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4833 "%s: Tx done task\n",
4834 device_get_nameunit(sc->dev));
4835
4836 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4837 return;
4838
4839 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
4840 {
4841 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
4842 {
4843 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
4844
4845 rt2860_tx_eof(sc, &sc->tx_ring[i]);
4846 }
4847 }
4848
4849 sc->tx_timer = 0;
4850
4851 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4852
4853 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
4854 RT2860_REG_INT_TX_HCCA_DONE |
4855 RT2860_REG_INT_TX_AC3_DONE |
4856 RT2860_REG_INT_TX_AC2_DONE |
4857 RT2860_REG_INT_TX_AC1_DONE |
4858 RT2860_REG_INT_TX_AC0_DONE);
4859
4860 RT2860_SOFTC_LOCK(sc);
4861
4862 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
4863 (sc->intr_disable_mask & intr_mask));
4864
4865 if (sc->intr_pending_mask & intr_mask)
4866 {
4867 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4868 "%s: Tx done task: scheduling again\n",
4869 device_get_nameunit(sc->dev));
4870
4871 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4872 }
4873
4874 RT2860_SOFTC_UNLOCK(sc);
4875 }
4876
4877 /*
4878 * rt2860_fifo_sta_full_task
4879 */
4880 static void rt2860_fifo_sta_full_task(void *context, int pending)
4881 {
4882 struct rt2860_softc *sc;
4883 struct ifnet *ifp;
4884
4885 sc = context;
4886 ifp = sc->ifp;
4887
4888 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4889 "%s: FIFO statistic full task\n",
4890 device_get_nameunit(sc->dev));
4891
4892 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4893 return;
4894
4895 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
4896
4897 rt2860_drain_fifo_stats(sc);
4898
4899 RT2860_SOFTC_LOCK(sc);
4900
4901 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
4902 {
4903 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
4904 "%s: FIFO statistic full task: scheduling again\n",
4905 device_get_nameunit(sc->dev));
4906
4907 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4908 }
4909 else
4910 {
4911 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4912 }
4913
4914 RT2860_SOFTC_UNLOCK(sc);
4915 }
4916
4917 /*
4918 * rt2860_periodic_task
4919 */
4920 static void rt2860_periodic_task(void *context, int pending)
4921 {
4922 struct rt2860_softc *sc;
4923 struct ifnet *ifp;
4924 struct ieee80211com *ic;
4925 struct ieee80211vap *vap;
4926
4927 sc = context;
4928 ifp = sc->ifp;
4929 ic = ifp->if_l2com;
4930 vap = TAILQ_FIRST(&ic->ic_vaps);
4931
4932 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
4933 "%s: periodic task: round=%lu\n",
4934 device_get_nameunit(sc->dev), sc->periodic_round);
4935
4936 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4937 return;
4938
4939 RT2860_SOFTC_LOCK(sc);
4940
4941 sc->periodic_round++;
4942
4943 rt2860_update_stats(sc);
4944
4945 if ((sc->periodic_round % 10) == 0)
4946 {
4947 rt2860_bbp_tuning(sc);
4948
4949 rt2860_update_raw_counters(sc);
4950
4951 rt2860_watchdog(sc);
4952
4953 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4954 {
4955 if (vap->iv_opmode == IEEE80211_M_STA)
4956 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
4957 else
4958 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
4959 }
4960 }
4961
4962 RT2860_SOFTC_UNLOCK(sc);
4963
4964 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
4965 }
4966
4967 /*
4968 * rt2860_rx_eof
4969 */
4970 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
4971 {
4972 struct ifnet *ifp;
4973 struct ieee80211com *ic;
4974 struct ieee80211_frame *wh;
4975 struct ieee80211_node *ni;
4976 struct rt2860_softc_node *rni;
4977 struct rt2860_softc_rx_radiotap_header *tap;
4978 struct rt2860_softc_rx_ring *ring;
4979 struct rt2860_rxdesc *desc;
4980 struct rt2860_softc_rx_data *data;
4981 struct rt2860_rxwi *rxwi;
4982 struct mbuf *m, *mnew;
4983 bus_dma_segment_t segs[1];
4984 bus_dmamap_t dma_map;
4985 uint32_t index, desc_flags;
4986 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
4987 int8_t rssi_dbm;
4988 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
4989
4990 ifp = sc->ifp;
4991 ic = ifp->if_l2com;
4992 ring = &sc->rx_ring;
4993
4994 nframes = 0;
4995
4996 while (limit != 0)
4997 {
4998 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
4999 if (ring->cur == index)
5000 break;
5001
5002 desc = &ring->desc[ring->cur];
5003 desc_flags = le32toh(desc->flags);
5004 data = &ring->data[ring->cur];
5005
5006 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5007 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5008
5009 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5010 break;
5011
5012 nframes++;
5013
5014 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5015 if (mnew == NULL)
5016 {
5017 sc->rx_mbuf_alloc_errors++;
5018 ifp->if_ierrors++;
5019 goto skip;
5020 }
5021
5022 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5023
5024 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5025 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5026 if (error != 0)
5027 {
5028 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5029 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5030 device_get_nameunit(sc->dev), error, nsegs);
5031
5032 m_freem(mnew);
5033
5034 sc->rx_mbuf_dmamap_errors++;
5035 ifp->if_ierrors++;
5036
5037 goto skip;
5038 }
5039
5040 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5041 device_get_nameunit(sc->dev)));
5042
5043 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5044 BUS_DMASYNC_POSTREAD);
5045 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5046
5047 dma_map = data->dma_map;
5048 data->dma_map = ring->spare_dma_map;
5049 ring->spare_dma_map = dma_map;
5050
5051 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5052 BUS_DMASYNC_PREREAD);
5053
5054 m = data->m;
5055
5056 data->m = mnew;
5057 desc->sdp0 = htole32(segs[0].ds_addr);
5058
5059 /* get Rx wireless info */
5060
5061 rxwi = mtod(m, struct rt2860_rxwi *);
5062 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5063 RT2860_RXWI_SIZE_MASK;
5064
5065 /* check for L2 padding between IEEE 802.11 frame header and body */
5066
5067 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5068 {
5069 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5070 "%s: L2 padding: len=%d\n",
5071 device_get_nameunit(sc->dev), len);
5072
5073 len += 2;
5074 }
5075
5076 m->m_pkthdr.rcvif = ifp;
5077 m->m_data = (caddr_t) (rxwi + 1);
5078 m->m_pkthdr.len = m->m_len = len;
5079
5080 /* check for crc errors */
5081
5082 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5083 {
5084 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5085 "%s: rxdesc: crc error\n",
5086 device_get_nameunit(sc->dev));
5087
5088 ifp->if_ierrors++;
5089
5090 if (!(ifp->if_flags & IFF_PROMISC))
5091 {
5092 m_freem(m);
5093 goto skip;
5094 }
5095 }
5096
5097 wh = (struct ieee80211_frame *) (rxwi + 1);
5098
5099 /* check for cipher errors */
5100
5101 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5102 {
5103 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5104 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5105 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5106 {
5107 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5108 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5109
5110 m->m_flags |= M_WEP;
5111 }
5112 else
5113 {
5114 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5115 "%s: rxdesc: cipher error=0x%02x\n",
5116 device_get_nameunit(sc->dev), cipher_err);
5117
5118 ifp->if_ierrors++;
5119
5120 if (!(ifp->if_flags & IFF_PROMISC))
5121 {
5122 m_free(m);
5123 goto skip;
5124 }
5125 }
5126 }
5127 else
5128 {
5129 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5130 {
5131 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5132 "%s: rxdesc: not decrypted but protected flag set\n",
5133 device_get_nameunit(sc->dev));
5134
5135 ifp->if_ierrors++;
5136
5137 if (!(ifp->if_flags & IFF_PROMISC))
5138 {
5139 m_free(m);
5140 goto skip;
5141 }
5142 }
5143 }
5144
5145 /* check for A-MPDU */
5146
5147 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5148 {
5149 m->m_flags |= M_AMPDU;
5150
5151 sc->rx_ampdu++;
5152
5153 ampdu = 1;
5154 }
5155 else
5156 {
5157 ampdu = 0;
5158 }
5159
5160 /* check for A-MSDU */
5161
5162 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5163 {
5164 sc->rx_amsdu++;
5165
5166 amsdu = 1;
5167 }
5168 else
5169 {
5170 amsdu = 0;
5171 }
5172
5173 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5174 rssi = rxwi->rssi[ant];
5175 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5176 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5177 RT2860_RXWI_PHYMODE_MASK);
5178 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5179 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5180 RT2860_RXWI_SHORTGI_MASK);
5181 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5182
5183 if (ieee80211_radiotap_active(ic))
5184 {
5185 tap = &sc->rxtap;
5186
5187 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5188 tap->dbm_antsignal = rssi_dbm;
5189 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5190 tap->antenna = ant;
5191 tap->antsignal = rssi;
5192 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5193 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5194 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5195 tap->chan_maxpow = 0;
5196
5197 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5198 tap->rate = mcs | IEEE80211_RATE_MCS;
5199 else
5200 tap->rate = rt2860_rxrate(rxwi);
5201
5202 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5203 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5204
5205 if (shortgi)
5206 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5207 }
5208
5209 /*
5210 * net80211 assumes that RSSI data are in the range [-127..127] and
5211 * in .5 dBm units relative to the current noise floor
5212 */
5213
5214 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5215 if (rssi_dbm_rel > 127)
5216 rssi_dbm_rel = 127;
5217
5218 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5219 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5220 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5221 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5222 device_get_nameunit(sc->dev),
5223 len, phymode, bw, shortgi, mcs,
5224 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5225 rxwi->snr[0], rxwi->snr[1],
5226 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5227
5228 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5229 if (ni != NULL)
5230 {
5231 rni = (struct rt2860_softc_node *) ni;
5232
5233 for (i = 0; i < RT2860_SOFTC_RSSI_DBM_COUNT; i++)
5234 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5235
5236 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5237 ieee80211_free_node(ni);
5238 }
5239 else
5240 {
5241 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5242 }
5243
5244 skip:
5245
5246 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5247
5248 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5249 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5250
5251 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5252
5253 limit--;
5254 }
5255
5256 if (ring->cur == 0)
5257 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5258 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5259 else
5260 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5261 ring->cur - 1);
5262
5263 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5264 "%s: Rx eof: nframes=%d\n",
5265 device_get_nameunit(sc->dev), nframes);
5266
5267 sc->rx_packets += nframes;
5268
5269 return (limit == 0);
5270 }
5271
5272 /*
5273 * rt2860_tx_eof
5274 */
5275 static void rt2860_tx_eof(struct rt2860_softc *sc,
5276 struct rt2860_softc_tx_ring *ring)
5277 {
5278 struct ifnet *ifp;
5279 struct rt2860_txdesc *desc;
5280 struct rt2860_softc_tx_data *data;
5281 uint32_t index;
5282 int ndescs, nframes;
5283
5284 ifp = sc->ifp;
5285
5286 ndescs = 0;
5287 nframes = 0;
5288
5289 for (;;)
5290 {
5291 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5292 if (ring->desc_next == index)
5293 break;
5294
5295 ndescs++;
5296
5297 rt2860_drain_fifo_stats(sc);
5298
5299 desc = &ring->desc[ring->desc_next];
5300
5301 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5302 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5303
5304 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5305 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5306 {
5307 nframes++;
5308
5309 data = &ring->data[ring->data_next];
5310
5311 if (data->m->m_flags & M_TXCB)
5312 ieee80211_process_callback(data->ni, data->m, 0);
5313
5314 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5315 BUS_DMASYNC_POSTWRITE);
5316 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5317
5318 m_freem(data->m);
5319
5320 ieee80211_free_node(data->ni);
5321
5322 data->m = NULL;
5323 data->ni = NULL;
5324
5325 ifp->if_opackets++;
5326
5327 RT2860_SOFTC_LOCK(sc);
5328
5329 ring->data_queued--;
5330 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5331
5332 RT2860_SOFTC_UNLOCK(sc);
5333 }
5334
5335 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5336
5337 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5338 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5339
5340 RT2860_SOFTC_LOCK(sc);
5341
5342 ring->desc_queued--;
5343 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5344
5345 RT2860_SOFTC_UNLOCK(sc);
5346 }
5347
5348 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5349 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5350 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5351 }
5352
5353 /*
5354 * rt2860_update_stats
5355 */
5356 static void rt2860_update_stats(struct rt2860_softc *sc)
5357 {
5358 struct ifnet *ifp;
5359 struct ieee80211com *ic;
5360 struct ieee80211vap *vap;
5361 struct ieee80211_node *ni;
5362 uint32_t stacnt[3];
5363 int beacons, noretryok, retryok, failed;
5364 uint16_t associd;
5365 uint8_t wcid;
5366
5367 ifp = sc->ifp;
5368 ic = ifp->if_l2com;
5369 vap = TAILQ_FIRST(&ic->ic_vaps);
5370
5371 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5372 "%s: update statistic\n",
5373 device_get_nameunit(sc->dev));
5374
5375 rt2860_drain_fifo_stats(sc);
5376
5377 /* read and clear Tx statistic registers */
5378
5379 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5380 stacnt, sizeof(stacnt));
5381
5382 stacnt[0] = le32toh(stacnt[0]);
5383 stacnt[1] = le32toh(stacnt[1]);
5384 stacnt[2] = le32toh(stacnt[2]);
5385
5386 beacons = stacnt[0] >> 16;
5387 noretryok = stacnt[1] & 0xffff;
5388 retryok = stacnt[1] >> 16;
5389 failed = stacnt[0] & 0xffff;
5390
5391 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5392 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
5393 device_get_nameunit(sc->dev),
5394 beacons, noretryok, retryok, failed);
5395
5396 ifp->if_oerrors += failed;
5397
5398 sc->tx_beacons += beacons;
5399 sc->tx_noretryok += noretryok;
5400 sc->tx_retryok += retryok;
5401 sc->tx_failed += failed;
5402
5403 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5404 {
5405 ni = vap->iv_bss;
5406
5407 associd = (ni != NULL) ? ni->ni_associd : 0;
5408 wcid = RT2860_AID2WCID(associd);
5409
5410 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5411 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5412 }
5413 }
5414
5415 /*
5416 * rt2860_bbp_tuning
5417 */
5418 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5419 {
5420 struct ifnet *ifp;
5421 struct ieee80211com *ic;
5422 struct ieee80211vap *vap;
5423 struct ieee80211_node *ni;
5424 int chan, group;
5425 int8_t rssi, old, new;
5426
5427 /* RT2860C does not support BBP tuning */
5428
5429 if (sc->mac_rev == 0x28600100)
5430 return;
5431
5432 ifp = sc->ifp;
5433 ic = ifp->if_l2com;
5434 vap = TAILQ_FIRST(&ic->ic_vaps);
5435
5436 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5437 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5438 return;
5439
5440 ni = vap->iv_bss;
5441
5442 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5443
5444 if (chan <= 14)
5445 group = 0;
5446 else if (chan <= 64)
5447 group = 1;
5448 else if (chan <= 128)
5449 group = 2;
5450 else
5451 group = 3;
5452
5453 rssi = ieee80211_getrssi(vap);
5454
5455 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5456 {
5457 new = 0x2e + sc->lna_gain[group];
5458 }
5459 else
5460 {
5461 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5462 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5463 else
5464 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5465 }
5466
5467 /* Tune if absolute average RSSI is greater than -80 */
5468
5469 if (rssi > 30)
5470 new += 0x10;
5471
5472 old = rt2860_io_bbp_read(sc, 66);
5473
5474 if (old != new)
5475 rt2860_io_bbp_write(sc, 66, new);
5476 }
5477
5478 /*
5479 * rt2860_watchdog
5480 */
5481 static void rt2860_watchdog(struct rt2860_softc *sc)
5482 {
5483 uint32_t tmp;
5484 int ntries;
5485
5486 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5487
5488 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5489 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5490 device_get_nameunit(sc->dev), tmp);
5491
5492 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5493 {
5494 sc->tx_queue_not_empty[0]++;
5495
5496 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5497
5498 for (ntries = 0; ntries < 10; ntries++)
5499 {
5500 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5501 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5502 break;
5503
5504 DELAY(1);
5505 }
5506
5507 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5508 }
5509
5510 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5511 {
5512 sc->tx_queue_not_empty[1]++;
5513
5514 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5515
5516 for (ntries = 0; ntries < 10; ntries++)
5517 {
5518 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5519 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5520 break;
5521
5522 DELAY(1);
5523 }
5524
5525 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5526 }
5527 }
5528
5529 /*
5530 * rt2860_drain_fifo_stats
5531 */
5532 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5533 {
5534 struct ifnet *ifp;
5535 uint32_t stats;
5536 uint8_t wcid, mcs, pid;
5537 int ok, agg, retrycnt;
5538
5539 ifp = sc->ifp;
5540
5541 /* drain Tx status FIFO (maxsize = 16) */
5542
5543 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5544 RT2860_REG_TX_STA_FIFO_VALID)
5545 {
5546 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5547 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5548
5549 /* if no ACK was requested, no feedback is available */
5550
5551 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5552 continue;
5553
5554 /* update AMRR statistic */
5555
5556 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5557 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5558 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5559 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5560 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5561 RT2860_REG_TX_STA_FIFO_PID_MASK;
5562 retrycnt = pid - mcs;
5563
5564 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5565 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5566 device_get_nameunit(sc->dev),
5567 wcid, ok, agg, mcs, pid, retrycnt);
5568
5569 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5570
5571 if (!ok)
5572 ifp->if_oerrors++;
5573 }
5574 }
5575
5576 /*
5577 * rt2860_update_raw_counters
5578 */
5579 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5580 {
5581 uint32_t tmp;
5582
5583 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5584
5585 sc->tx_nonagg += tmp & 0xffff;
5586 sc->tx_agg += tmp >> 16;
5587
5588 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5589
5590 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5591
5592 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5593
5594 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5595
5596 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5597
5598 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5599
5600 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5601
5602 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5603
5604 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5605
5606 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5607
5608 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5609
5610 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5611
5612 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5613
5614 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5615
5616 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5617
5618 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5619
5620 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5621
5622 sc->rx_crc_errors += tmp & 0xffff;
5623 sc->rx_phy_errors += tmp >> 16;
5624
5625 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5626
5627 sc->rx_false_ccas += tmp & 0xffff;
5628 sc->rx_plcp_errors += tmp >> 16;
5629
5630 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5631
5632 sc->rx_dup_packets += tmp & 0xffff;
5633 sc->rx_fifo_overflows += tmp >> 16;
5634 }
5635
5636 /*
5637 * rt2860_intr_enable
5638 */
5639 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5640 {
5641 uint32_t tmp;
5642
5643 sc->intr_disable_mask &= ~intr_mask;
5644
5645 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5646
5647 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5648 }
5649
5650 /*
5651 * rt2860_intr_disable
5652 */
5653 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5654 {
5655 uint32_t tmp;
5656
5657 sc->intr_disable_mask |= intr_mask;
5658
5659 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5660
5661 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5662 }
5663
5664 /*
5665 * rt2860_txrx_enable
5666 */
5667 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5668 {
5669 struct ieee80211com *ic;
5670 struct ifnet *ifp;
5671 uint32_t tmp;
5672 int ntries;
5673
5674 ifp = sc->ifp;
5675 ic = ifp->if_l2com;
5676
5677 /* enable Tx/Rx DMA engine */
5678
5679 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5680
5681 for (ntries = 0; ntries < 200; ntries++)
5682 {
5683 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5684 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5685 break;
5686
5687 DELAY(1000);
5688 }
5689
5690 if (ntries == 200)
5691 {
5692 printf("%s: timeout waiting for DMA engine\n",
5693 device_get_nameunit(sc->dev));
5694 return -1;
5695 }
5696
5697 DELAY(50);
5698
5699 tmp |= RT2860_REG_TX_WB_DDONE |
5700 RT2860_REG_RX_DMA_ENABLE |
5701 RT2860_REG_TX_DMA_ENABLE |
5702 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5703
5704 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5705
5706 /* set Rx filter */
5707
5708 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5709 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5710
5711 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5712 {
5713 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5714 RT2860_REG_RX_FILTER_DROP_CTS |
5715 RT2860_REG_RX_FILTER_DROP_BA |
5716 RT2860_REG_RX_FILTER_DROP_ACK |
5717 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5718 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5719 RT2860_REG_RX_FILTER_DROP_CFACK |
5720 RT2860_REG_RX_FILTER_DROP_CFEND;
5721
5722 if (ic->ic_opmode == IEEE80211_M_STA)
5723 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5724 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5725
5726 if (!(ifp->if_flags & IFF_PROMISC))
5727 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5728 }
5729
5730 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5731
5732 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5733 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5734
5735 return 0;
5736 }
5737
5738 /*
5739 * rt2860_alloc_rx_ring
5740 */
5741 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5742 struct rt2860_softc_rx_ring *ring)
5743 {
5744 struct rt2860_rxdesc *desc;
5745 struct rt2860_softc_rx_data *data;
5746 bus_dma_segment_t segs[1];
5747 int i, nsegs, error;
5748
5749 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5750 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5751 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5752 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5753 0, NULL, NULL, &ring->desc_dma_tag);
5754 if (error != 0)
5755 {
5756 printf("%s: could not create Rx desc DMA tag\n",
5757 device_get_nameunit(sc->dev));
5758 goto fail;
5759 }
5760
5761 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5762 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5763 if (error != 0)
5764 {
5765 printf("%s: could not allocate Rx desc DMA memory\n",
5766 device_get_nameunit(sc->dev));
5767 goto fail;
5768 }
5769
5770 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5771 ring->desc,
5772 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5773 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5774 if (error != 0)
5775 {
5776 printf("%s: could not load Rx desc DMA map\n",
5777 device_get_nameunit(sc->dev));
5778 goto fail;
5779 }
5780
5781 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5782 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5783 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
5784 &ring->data_dma_tag);
5785 if (error != 0)
5786 {
5787 printf("%s: could not create Rx data DMA tag\n",
5788 device_get_nameunit(sc->dev));
5789 goto fail;
5790 }
5791
5792 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5793 {
5794 desc = &ring->desc[i];
5795 data = &ring->data[i];
5796
5797 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
5798 if (error != 0)
5799 {
5800 printf("%s: could not create Rx data DMA map\n",
5801 device_get_nameunit(sc->dev));
5802 goto fail;
5803 }
5804
5805 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5806 if (data->m == NULL)
5807 {
5808 printf("%s: could not allocate Rx mbuf\n",
5809 device_get_nameunit(sc->dev));
5810 error = ENOMEM;
5811 goto fail;
5812 }
5813
5814 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
5815
5816 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
5817 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
5818 if (error != 0)
5819 {
5820 printf("%s: could not load Rx mbuf DMA map\n",
5821 device_get_nameunit(sc->dev));
5822 goto fail;
5823 }
5824
5825 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5826 device_get_nameunit(sc->dev)));
5827
5828 desc->sdp0 = htole32(segs[0].ds_addr);
5829 desc->sdl0 = htole16(MJUMPAGESIZE);
5830 }
5831
5832 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
5833 if (error != 0)
5834 {
5835 printf("%s: could not create Rx spare DMA map\n",
5836 device_get_nameunit(sc->dev));
5837 goto fail;
5838 }
5839
5840 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5841 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5842
5843 return 0;
5844
5845 fail:
5846
5847 rt2860_free_rx_ring(sc, ring);
5848
5849 return error;
5850 }
5851
5852 /*
5853 * rt2860_reset_rx_ring
5854 */
5855 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
5856 struct rt2860_softc_rx_ring *ring)
5857 {
5858 struct rt2860_rxdesc *desc;
5859 int i;
5860
5861 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5862 {
5863 desc = &ring->desc[i];
5864
5865 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5866 }
5867
5868 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5869 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5870
5871 ring->cur = 0;
5872 }
5873
5874 /*
5875 * rt2860_free_rx_ring
5876 */
5877 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
5878 struct rt2860_softc_rx_ring *ring)
5879 {
5880 struct rt2860_softc_rx_data *data;
5881 int i;
5882
5883 if (ring->desc != NULL)
5884 {
5885 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5886 BUS_DMASYNC_POSTWRITE);
5887 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
5888 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
5889 ring->desc_dma_map);
5890 }
5891
5892 if (ring->desc_dma_tag != NULL)
5893 bus_dma_tag_destroy(ring->desc_dma_tag);
5894
5895 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
5896 {
5897 data = &ring->data[i];
5898
5899 if (data->m != NULL)
5900 {
5901 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5902 BUS_DMASYNC_POSTREAD);
5903 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5904 m_freem(data->m);
5905 }
5906
5907 if (data->dma_map != NULL)
5908 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
5909 }
5910
5911 if (ring->spare_dma_map != NULL)
5912 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
5913
5914 if (ring->data_dma_tag != NULL)
5915 bus_dma_tag_destroy(ring->data_dma_tag);
5916 }
5917
5918 /*
5919 * rt2860_alloc_tx_ring
5920 */
5921 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
5922 struct rt2860_softc_tx_ring *ring, int qid)
5923 {
5924 struct rt2860_softc_tx_data *data;
5925 int error, i;
5926
5927 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5928 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5929 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
5930 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5931 0, NULL, NULL, &ring->desc_dma_tag);
5932 if (error != 0)
5933 {
5934 printf("%s: could not create Tx desc DMA tag\n",
5935 device_get_nameunit(sc->dev));
5936 goto fail;
5937 }
5938
5939 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5940 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
5941 if (error != 0)
5942 {
5943 printf("%s: could not allocate Tx desc DMA memory\n",
5944 device_get_nameunit(sc->dev));
5945 goto fail;
5946 }
5947
5948 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
5949 ring->desc,
5950 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
5951 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
5952 if (error != 0)
5953 {
5954 printf("%s: could not load Tx desc DMA map\n",
5955 device_get_nameunit(sc->dev));
5956 goto fail;
5957 }
5958
5959 ring->desc_queued = 0;
5960 ring->desc_cur = 0;
5961 ring->desc_next = 0;
5962
5963 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5964 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5965 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
5966 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5967 0, NULL, NULL, &ring->seg0_dma_tag);
5968 if (error != 0)
5969 {
5970 printf("%s: could not create Tx seg0 DMA tag\n",
5971 device_get_nameunit(sc->dev));
5972 goto fail;
5973 }
5974
5975 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
5976 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
5977 if (error != 0)
5978 {
5979 printf("%s: could not allocate Tx seg0 DMA memory\n",
5980 device_get_nameunit(sc->dev));
5981 goto fail;
5982 }
5983
5984 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
5985 ring->seg0,
5986 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
5987 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
5988 if (error != 0)
5989 {
5990 printf("%s: could not load Tx seg0 DMA map\n",
5991 device_get_nameunit(sc->dev));
5992 goto fail;
5993 }
5994
5995 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5996 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5997 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
5998 &ring->data_dma_tag);
5999 if (error != 0)
6000 {
6001 printf("%s: could not create Tx data DMA tag\n",
6002 device_get_nameunit(sc->dev));
6003 goto fail;
6004 }
6005
6006 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6007 {
6008 data = &ring->data[i];
6009
6010 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6011 if (error != 0)
6012 {
6013 printf("%s: could not create Tx data DMA map\n",
6014 device_get_nameunit(sc->dev));
6015 goto fail;
6016 }
6017 }
6018
6019 ring->data_queued = 0;
6020 ring->data_cur = 0;
6021 ring->data_next = 0;
6022
6023 ring->qid = qid;
6024
6025 return 0;
6026
6027 fail:
6028
6029 rt2860_free_tx_ring(sc, ring);
6030
6031 return error;
6032 }
6033
6034 /*
6035 * rt2860_reset_tx_ring
6036 */
6037 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6038 struct rt2860_softc_tx_ring *ring)
6039 {
6040 struct rt2860_softc_tx_data *data;
6041 struct rt2860_txdesc *desc;
6042 int i;
6043
6044 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6045 {
6046 desc = &ring->desc[i];
6047
6048 desc->sdl0 = 0;
6049 desc->sdl1 = 0;
6050 }
6051
6052 ring->desc_queued = 0;
6053 ring->desc_cur = 0;
6054 ring->desc_next = 0;
6055
6056 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6057 BUS_DMASYNC_PREWRITE);
6058
6059 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6060 BUS_DMASYNC_PREWRITE);
6061
6062 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6063 {
6064 data = &ring->data[i];
6065
6066 if (data->m != NULL)
6067 {
6068 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6069 BUS_DMASYNC_POSTWRITE);
6070 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6071 m_freem(data->m);
6072 data->m = NULL;
6073 }
6074
6075 if (data->ni != NULL)
6076 {
6077 ieee80211_free_node(data->ni);
6078 data->ni = NULL;
6079 }
6080 }
6081
6082 ring->data_queued = 0;
6083 ring->data_cur = 0;
6084 ring->data_next = 0;
6085 }
6086
6087 /*
6088 * rt2860_free_tx_ring
6089 */
6090 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6091 struct rt2860_softc_tx_ring *ring)
6092 {
6093 struct rt2860_softc_tx_data *data;
6094 int i;
6095
6096 if (ring->desc != NULL)
6097 {
6098 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6099 BUS_DMASYNC_POSTWRITE);
6100 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6101 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6102 ring->desc_dma_map);
6103 }
6104
6105 if (ring->desc_dma_tag != NULL)
6106 bus_dma_tag_destroy(ring->desc_dma_tag);
6107
6108 if (ring->seg0 != NULL)
6109 {
6110 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6111 BUS_DMASYNC_POSTWRITE);
6112 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6113 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6114 ring->seg0_dma_map);
6115 }
6116
6117 if (ring->seg0_dma_tag != NULL)
6118 bus_dma_tag_destroy(ring->seg0_dma_tag);
6119
6120 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6121 {
6122 data = &ring->data[i];
6123
6124 if (data->m != NULL)
6125 {
6126 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6127 BUS_DMASYNC_POSTWRITE);
6128 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6129 m_freem(data->m);
6130 }
6131
6132 if (data->ni != NULL)
6133 ieee80211_free_node(data->ni);
6134
6135 if (data->dma_map != NULL)
6136 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6137 }
6138
6139 if (ring->data_dma_tag != NULL)
6140 bus_dma_tag_destroy(ring->data_dma_tag);
6141 }
6142
6143 /*
6144 * rt2860_dma_map_addr
6145 */
6146 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6147 int nseg, int error)
6148 {
6149 if (error != 0)
6150 return;
6151
6152 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6153
6154 *(bus_addr_t *) arg = segs[0].ds_addr;
6155 }
6156
6157 /*
6158 * rt2860_sysctl_attach
6159 */
6160 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6161 {
6162 struct sysctl_ctx_list *ctx;
6163 struct sysctl_oid *tree;
6164 struct sysctl_oid *stats;
6165
6166 ctx = device_get_sysctl_ctx(sc->dev);
6167 tree = device_get_sysctl_tree(sc->dev);
6168
6169 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6170 "stats", CTLFLAG_RD, 0, "statistic");
6171
6172 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6173 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6174 "all interrupts");
6175
6176 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6177 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6178 "Tx coherent interrupts");
6179
6180 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6181 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6182 "Rx coherent interrupts");
6183
6184 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6185 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6186 "Tx/Rx coherent interrupts");
6187
6188 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6189 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6190 "FIFO statistic full interrupts");
6191
6192 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6193 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6194 "Rx interrupts");
6195
6196 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6197 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6198 "Rx delay interrupts");
6199
6200 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6201 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6202 "Tx MGMT interrupts");
6203
6204 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6205 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6206 "Tx HCCA interrupts");
6207
6208 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6209 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6210 "Tx AC3 interrupts");
6211
6212 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6213 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6214 "Tx AC2 interrupts");
6215
6216 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6217 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6218 "Tx AC1 interrupts");
6219
6220 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6221 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6222 "Tx AC0 interrupts");
6223
6224 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6225 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6226 "Tx delay interrupts");
6227
6228 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6229 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6230 "Pre-TBTT interrupts");
6231
6232 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6233 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6234 "TBTT interrupts");
6235
6236 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6237 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6238 "MCU command interrupts");
6239
6240 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6241 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6242 "auto wakeup interrupts");
6243
6244 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6245 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6246 "GP timer interrupts");
6247
6248 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6249 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6250 "Tx MGMT descriptors queued");
6251
6252 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6253 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6254 "Tx MGMT data queued");
6255
6256 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6257 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6258 "Tx HCCA descriptors queued");
6259
6260 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6261 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6262 "Tx HCCA data queued");
6263
6264 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6265 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6266 "Tx AC3 descriptors queued");
6267
6268 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6269 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6270 "Tx AC3 data queued");
6271
6272 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6273 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6274 "Tx AC2 descriptors queued");
6275
6276 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6277 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6278 "Tx AC2 data queued");
6279
6280 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6281 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6282 "Tx AC1 descriptors queued");
6283
6284 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6285 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6286 "Tx AC1 data queued");
6287
6288 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6289 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6290 "Tx AC0 descriptors queued");
6291
6292 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6293 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6294 "Tx AC0 data queued");
6295
6296 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6297 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6298 "Tx MGMT data queue full");
6299
6300 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6301 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6302 "Tx HCCA data queue full");
6303
6304 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6305 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6306 "Tx AC3 data queue full");
6307
6308 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6309 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6310 "Tx AC2 data queue full");
6311
6312 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6313 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6314 "Tx AC1 data queue full");
6315
6316 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6317 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6318 "Tx AC0 data queue full");
6319
6320 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6321 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6322 "Tx watchdog timeouts");
6323
6324 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6325 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6326 "Tx defragmented packets");
6327
6328 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6329 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6330 "no Tx descriptors available");
6331
6332 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6333 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6334 "Rx mbuf allocation errors");
6335
6336 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6337 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6338 "Rx mbuf DMA mapping errors");
6339
6340 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6341 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6342 "Tx queue 0 not empty");
6343
6344 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6345 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6346 "Tx queue 1 not empty");
6347
6348 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6349 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6350 "Tx beacons");
6351
6352 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6353 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6354 "Tx successfull without retries");
6355
6356 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6357 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6358 "Tx successfull with retries");
6359
6360 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6361 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6362 "Tx failed");
6363
6364 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6365 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6366 "Tx non-aggregated");
6367
6368 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6369 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6370 "Tx aggregated");
6371
6372 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6373 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6374 "Tx A-MPDU");
6375
6376 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6377 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6378 "Rx packets");
6379
6380 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6381 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6382 "Rx A-MPDU");
6383
6384 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6385 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6386 "Rx A-MSDU");
6387
6388 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6389 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6390 "Rx CRC errors");
6391
6392 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6393 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6394 "Rx PHY errors");
6395
6396 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6397 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6398 "Rx false CCAs");
6399
6400 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6401 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6402 "Rx PLCP errors");
6403
6404 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6405 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6406 "Rx duplicate packets");
6407
6408 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6409 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6410 "Rx FIFO overflows");
6411 }
6412
6413 static device_method_t rt2860_dev_methods[] =
6414 {
6415 DEVMETHOD(device_probe, rt2860_probe),
6416 DEVMETHOD(device_attach, rt2860_attach),
6417 DEVMETHOD(device_detach, rt2860_detach),
6418 DEVMETHOD(device_shutdown, rt2860_shutdown),
6419 DEVMETHOD(device_suspend, rt2860_suspend),
6420 DEVMETHOD(device_resume, rt2860_resume),
6421 { 0, 0 }
6422 };
6423
6424 static driver_t rt2860_driver =
6425 {
6426 "rt2860",
6427 rt2860_dev_methods,
6428 sizeof(struct rt2860_softc)
6429 };
6430
6431 static devclass_t rt2860_dev_class;
6432
6433 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6434
6435 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6436 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860