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Do not clear key tables during initialization
[ralink_drivers/rt2860_fbsd8.git] / rt2860.c
blobb0759ee583c8a559e9db37cd2ea298c1aebc342d
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2860_softc.h"
20 #include "rt2860_reg.h"
21 #include "rt2860_eeprom.h"
22 #include "rt2860_ucode.h"
23 #include "rt2860_txwi.h"
24 #include "rt2860_rxwi.h"
25 #include "rt2860_io.h"
26 #include "rt2860_read_eeprom.h"
27 #include "rt2860_led.h"
28 #include "rt2860_rf.h"
29 #include "rt2860_debug.h"
30
31 /*
32 * Defines and macros
33 */
34
35 #define PCI_VENDOR_RALINK 0x1814
36 #define PCI_PRODUCT_RALINK_RT2860_PCI 0x0601
37 #define PCI_PRODUCT_RALINK_RT2860_PCIe 0x0681
38 #define PCI_PRODUCT_RALINK_RT2760_PCI 0x0701
39 #define PCI_PRODUCT_RALINK_RT2790_PCIe 0x0781
40
41 #define RT2860_MAX_AGG_SIZE 3840
42
43 #define RT2860_TX_DATA_SEG0_SIZE \
44 (sizeof(struct rt2860_txwi) + sizeof(struct ieee80211_qosframe_addr4))
45
46 #define RT2860_NOISE_FLOOR -95
47
48 #define RT2860_AID2WCID(aid) ((aid) & 0xff)
49
50 #define RT2860_ACK_SIZE 14
51
52 #define IEEE80211_HAS_ADDR4(wh) \
53 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
54
55 #define RT2860_MS(_v, _f) (((_v) & _f) >> _f##_S)
56 #define RT2860_SM(_v, _f) (((_v) << _f##_S) & _f)
57
58 #define RT2860_TX_WATCHDOG_TIMEOUT 5
59
60 /*
61 * Data structures and types
62 */
63
64 struct rt2860_pci_ident
65 {
66 uint16_t vendor;
67 uint16_t device;
68 const char *name;
69 };
70
71 /*
72 * Static function prototypes
73 */
74
75 static int rt2860_probe(device_t dev);
76
77 static int rt2860_attach(device_t dev);
78
79 static int rt2860_detach(device_t dev);
80
81 static int rt2860_shutdown(device_t dev);
82
83 static int rt2860_suspend(device_t dev);
84
85 static int rt2860_resume(device_t dev);
86
87 static void rt2860_init_channels(struct rt2860_softc *sc);
88
89 static void rt2860_init_channels_ht40(struct rt2860_softc *sc);
90
91 static void rt2860_init_locked(void *priv);
92
93 static void rt2860_init(void *priv);
94
95 static int rt2860_init_bbp(struct rt2860_softc *sc);
96
97 static void rt2860_stop_locked(void *priv);
98
99 static void rt2860_stop(void *priv);
100
101 static void rt2860_start(struct ifnet *ifp);
102
103 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
104
105 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
106 const char name[IFNAMSIZ], int unit, int opmode, int flags,
107 const uint8_t bssid[IEEE80211_ADDR_LEN],
108 const uint8_t mac[IEEE80211_ADDR_LEN]);
109
110 static void rt2860_vap_delete(struct ieee80211vap *vap);
111
112 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd);
113
114 static int rt2860_vap_newstate(struct ieee80211vap *vap,
115 enum ieee80211_state nstate, int arg);
116
117 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap);
118
119 static void rt2860_vap_key_update_end(struct ieee80211vap *vap);
120
121 static int rt2860_vap_key_set(struct ieee80211vap *vap,
122 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
123
124 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
125 const struct ieee80211_key *k);
126
127 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what);
128
129 static int rt2860_media_change(struct ifnet *ifp);
130
131 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
132 const uint8_t mac[IEEE80211_ADDR_LEN]);
133
134 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
135 struct ieee80211_mimo_info *mi);
136
137 static int rt2860_setregdomain(struct ieee80211com *ic,
138 struct ieee80211_regdomain *reg,
139 int nchans, struct ieee80211_channel chans[]);
140
141 static void rt2860_getradiocaps(struct ieee80211com *ic,
142 int maxchans, int *nchans, struct ieee80211_channel chans[]);
143
144 static void rt2860_scan_start(struct ieee80211com *ic);
145
146 static void rt2860_scan_end(struct ieee80211com *ic);
147
148 static void rt2860_set_channel(struct ieee80211com *ic);
149
150 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew);
151
152 static void rt2860_updateslot(struct ifnet *ifp);
153
154 static void rt2860_update_promisc(struct ifnet *ifp);
155
156 static void rt2860_update_mcast(struct ifnet *ifp);
157
158 static int rt2860_wme_update(struct ieee80211com *ic);
159
160 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
161 const struct ieee80211_bpf_params *params);
162
163 static int rt2860_recv_action(struct ieee80211_node *ni,
164 const struct ieee80211_frame *wh,
165 const uint8_t *frm, const uint8_t *efrm);
166
167 static int rt2860_send_action(struct ieee80211_node *ni,
168 int cat, int act, void *sa);
169
170 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
171
172 static void rt2860_periodic(void *arg);
173
174 static void rt2860_tx_watchdog(void *arg);
175
176 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
177 const uint8_t *bssid);
178
179 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
180 const uint8_t *addr);
181
182 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc);
183
184 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc);
185
186 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc);
187
188 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc);
189
190 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc);
191
192 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc);
193
194 static void rt2860_asic_update_txpower(struct rt2860_softc *sc);
195
196 static void rt2860_asic_update_promisc(struct rt2860_softc *sc);
197
198 static void rt2860_asic_updateprot(struct rt2860_softc *sc);
199
200 static void rt2860_asic_updateslot(struct rt2860_softc *sc);
201
202 static void rt2860_asic_wme_update(struct rt2860_softc *sc);
203
204 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
205 struct ieee80211vap *vap);
206
207 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc);
208
209 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
210 struct ieee80211vap *vap);
211
212 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi);
213
214 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
215 const struct rt2860_rxwi *rxwi);
216
217 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
218 uint8_t rssi, uint8_t rxpath);
219
220 static uint8_t rt2860_rate2mcs(uint8_t rate);
221
222 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
223 struct mbuf *m, struct ieee80211_node *ni, int qid);
224
225 static int rt2860_tx_data(struct rt2860_softc *sc,
226 struct mbuf *m, struct ieee80211_node *ni, int qid);
227
228 static int rt2860_tx_raw(struct rt2860_softc *sc,
229 struct mbuf *m, struct ieee80211_node *ni,
230 const struct ieee80211_bpf_params *params);
231
232 static void rt2860_intr(void *arg);
233
234 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc);
235
236 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc);
237
238 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc);
239
240 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc);
241
242 static void rt2860_rx_intr(struct rt2860_softc *sc);
243
244 static void rt2860_rx_delay_intr(struct rt2860_softc *sc);
245
246 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid);
247
248 static void rt2860_tx_delay_intr(struct rt2860_softc *sc);
249
250 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc);
251
252 static void rt2860_tbtt_intr(struct rt2860_softc *sc);
253
254 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc);
255
256 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc);
257
258 static void rt2860_gp_timer_intr(struct rt2860_softc *sc);
259
260 static void rt2860_rx_done_task(void *context, int pending);
261
262 static void rt2860_tx_done_task(void *context, int pending);
263
264 static void rt2860_fifo_sta_full_task(void *context, int pending);
265
266 static void rt2860_periodic_task(void *context, int pending);
267
268 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit);
269
270 static void rt2860_tx_eof(struct rt2860_softc *sc,
271 struct rt2860_softc_tx_ring *ring);
272
273 static void rt2860_update_stats(struct rt2860_softc *sc);
274
275 static void rt2860_bbp_tuning(struct rt2860_softc *sc);
276
277 static void rt2860_watchdog(struct rt2860_softc *sc);
278
279 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc);
280
281 static void rt2860_update_raw_counters(struct rt2860_softc *sc);
282
283 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask);
284
285 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask);
286
287 static int rt2860_txrx_enable(struct rt2860_softc *sc);
288
289 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
290 struct rt2860_softc_rx_ring *ring);
291
292 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
293 struct rt2860_softc_rx_ring *ring);
294
295 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
296 struct rt2860_softc_rx_ring *ring);
297
298 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
299 struct rt2860_softc_tx_ring *ring, int qid);
300
301 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
302 struct rt2860_softc_tx_ring *ring);
303
304 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
305 struct rt2860_softc_tx_ring *ring);
306
307 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
308 int nseg, int error);
309
310 static void rt2860_sysctl_attach(struct rt2860_softc *sc);
311
312 /*
313 * Static variables
314 */
315
316 static const struct rt2860_pci_ident rt2860_pci_ids[] =
317 {
318 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCI, "Ralink RT2860 PCI" },
319 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860_PCIe, "Ralink RT2860 PCIe" },
320 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760_PCI, "Ralink RT2760 PCI" },
321 { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790_PCIe, "Ralink RT2790 PCIe" },
322 { 0, 0, NULL }
323 };
324
325 static const struct
326 {
327 uint32_t reg;
328 uint32_t val;
329 } rt2860_def_mac[] =
330 {
331 { RT2860_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
332 { RT2860_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
333 { RT2860_REG_LEGACY_BASIC_RATE, 0x0000013f },
334 { RT2860_REG_HT_BASIC_RATE, 0x00008003 },
335 { RT2860_REG_SYS_CTRL, 0x00000000 },
336 { RT2860_REG_RX_FILTER_CFG, 0x00017f97 },
337 { RT2860_REG_BKOFF_SLOT_CFG, 0x00000209 },
338 { RT2860_REG_TX_SW_CFG0, 0x00000000 },
339 { RT2860_REG_TX_SW_CFG1, 0x00080606 },
340 { RT2860_REG_TX_LINK_CFG, 0x00001020 },
341 { RT2860_REG_TX_TIMEOUT_CFG, 0x000a2090 },
342 { RT2860_REG_MAX_LEN_CFG, (1 << 12) | RT2860_MAX_AGG_SIZE },
343 { RT2860_REG_LED_CFG, 0x7f031e46 },
344 { RT2860_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
345 { RT2860_REG_TX_RTY_CFG, 0x47d01f0f },
346 { RT2860_REG_AUTO_RSP_CFG, 0x00000013 },
347 { RT2860_REG_TX_CCK_PROT_CFG, 0x05740003 },
348 { RT2860_REG_TX_OFDM_PROT_CFG, 0x05740003 },
349 { RT2860_REG_TX_GF20_PROT_CFG, 0x01744004 },
350 { RT2860_REG_TX_GF40_PROT_CFG, 0x03f44084 },
351 { RT2860_REG_TX_MM20_PROT_CFG, 0x01744004 },
352 { RT2860_REG_TX_MM40_PROT_CFG, 0x03f54084 },
353 { RT2860_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
354 { RT2860_REG_TX_RTS_CFG, 0x00092b20 },
355 { RT2860_REG_TX_EXP_ACK_TIME, 0x002400ca },
356 { RT2860_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
357 { RT2860_REG_XIFS_TIME_CFG, 0x33a41010 },
358 { RT2860_REG_PWR_PIN_CFG, 0x00000003 },
359 { RT2860_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
360 { RT2860_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
361 { RT2860_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
362 };
363
364 #define RT2860_DEF_MAC_SIZE (sizeof(rt2860_def_mac) / sizeof(rt2860_def_mac[0]))
365
366 static const struct
367 {
368 uint8_t reg;
369 uint8_t val;
370 } rt2860_def_bbp[] =
371 {
372 { 65, 0x2c },
373 { 66, 0x38 },
374 { 69, 0x12 },
375 { 70, 0x0a },
376 { 73, 0x10 },
377 { 81, 0x37 },
378 { 82, 0x62 },
379 { 83, 0x6a },
380 { 84, 0x99 },
381 { 86, 0x00 },
382 { 91, 0x04 },
383 { 92, 0x00 },
384 { 103, 0x00 },
385 { 105, 0x05 },
386 { 106, 0x35 },
387 };
388
389 #define RT2860_DEF_BBP_SIZE (sizeof(rt2860_def_bbp) / sizeof(rt2860_def_bbp[0]))
390
391 SYSCTL_NODE(_hw, OID_AUTO, rt2860, CTLFLAG_RD, 0, "RT2860 driver parameters");
392
393 #ifdef RT2860_DEBUG
394 static int rt2860_debug = 0;
395 SYSCTL_INT(_hw_rt2860, OID_AUTO, debug, CTLFLAG_RW, &rt2860_debug, 0, "rt2860 debug level");
396 TUNABLE_INT("hw.rt2860.debug", &rt2860_debug);
397 #endif
398
399 /*
400 * rt2860_probe
401 */
402 static int rt2860_probe(device_t dev)
403 {
404 const struct rt2860_pci_ident *ident;
405
406 for (ident = rt2860_pci_ids; ident->name != NULL; ident++)
407 {
408 if (pci_get_vendor(dev) == ident->vendor &&
409 pci_get_device(dev) == ident->device)
410 {
411 device_set_desc(dev, ident->name);
412 return 0;
413 }
414 }
415
416 return ENXIO;
417 }
418
419 /*
420 * rt2860_attach
421 */
422 static int rt2860_attach(device_t dev)
423 {
424 struct rt2860_softc *sc;
425 struct ifnet *ifp;
426 struct ieee80211com *ic;
427 int error, ntries, i;
428
429 sc = device_get_softc(dev);
430
431 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0)
432 {
433 printf("%s: chip is in D%d power mode, setting to D0\n",
434 device_get_nameunit(dev), pci_get_powerstate(dev));
435 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
436 }
437
438 /* enable bus-mastering */
439
440 pci_enable_busmaster(dev);
441
442 sc->dev = dev;
443
444 mtx_init(&sc->lock, device_get_nameunit(dev),
445 MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE);
446
447 sc->mem_rid = PCIR_BAR(0);
448 sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
449 &sc->mem_rid, RF_ACTIVE);
450 if (sc->mem == NULL)
451 {
452 printf("%s: could not allocate memory resource\n",
453 device_get_nameunit(dev));
454 error = ENXIO;
455 goto fail;
456 }
457
458 sc->bst = rman_get_bustag(sc->mem);
459 sc->bsh = rman_get_bushandle(sc->mem);
460
461 sc->irq_rid = 0;
462 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
463 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
464 if (sc->irq == NULL)
465 {
466 printf("%s: could not allocate interrupt resource\n",
467 device_get_nameunit(dev));
468 error = ENXIO;
469 goto fail;
470 }
471
472 #ifdef RT2860_DEBUG
473 sc->debug = rt2860_debug;
474
475 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
476 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
477 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2860 debug level");
478 #endif
479
480 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
481 "%s: attaching\n",
482 device_get_nameunit(sc->dev));
483
484 /* wait for NIC to initialize */
485
486 for (ntries = 0; ntries < 100; ntries++)
487 {
488 sc->mac_rev = rt2860_io_mac_read(sc, RT2860_REG_MAC_CSR0);
489 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
490 break;
491
492 DELAY(10);
493 }
494
495 if (ntries == 100)
496 {
497 printf("%s: timeout waiting for NIC to initialize\n",
498 device_get_nameunit(dev));
499 error = EIO;
500 goto fail;
501 }
502
503 rt2860_read_eeprom(sc);
504
505 printf("%s: MAC/BBP RT2860 (rev 0x%08x), RF %s\n",
506 device_get_nameunit(sc->dev), sc->mac_rev,
507 rt2860_rf_name(sc->rf_rev));
508
509 /* allocate Tx and Rx rings */
510
511 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
512 {
513 error = rt2860_alloc_tx_ring(sc, &sc->tx_ring[i], i);
514 if (error != 0)
515 {
516 printf("%s: could not allocate Tx ring #%d\n",
517 device_get_nameunit(sc->dev), i);
518 goto fail;
519 }
520 }
521
522 sc->tx_ring_mgtqid = 5;
523
524 error = rt2860_alloc_rx_ring(sc, &sc->rx_ring);
525 if (error != 0)
526 {
527 printf("%s: could not allocate Rx ring\n",
528 device_get_nameunit(sc->dev));
529 goto fail;
530 }
531
532 callout_init(&sc->periodic_ch, 0);
533 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
534
535 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
536 if (ifp == NULL)
537 {
538 printf("%s: could not if_alloc()\n",
539 device_get_nameunit(sc->dev));
540 error = ENOMEM;
541 goto fail;
542 }
543
544 ifp->if_softc = sc;
545
546 if_initname(ifp, "rt2860", device_get_unit(sc->dev));
547
548 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
549
550 ifp->if_init = rt2860_init;
551 ifp->if_ioctl = rt2860_ioctl;
552 ifp->if_start = rt2860_start;
553
554 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
555 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
556 IFQ_SET_READY(&ifp->if_snd);
557
558 ic = ifp->if_l2com;
559
560 ic->ic_ifp = ifp;
561
562 ic->ic_phytype = IEEE80211_T_HT;
563 ic->ic_opmode = IEEE80211_M_STA;
564
565 ic->ic_caps = IEEE80211_C_MONITOR |
566 IEEE80211_C_IBSS |
567 IEEE80211_C_STA |
568 IEEE80211_C_AHDEMO |
569 IEEE80211_C_HOSTAP |
570 IEEE80211_C_WDS |
571 IEEE80211_C_MBSS |
572 IEEE80211_C_BGSCAN |
573 IEEE80211_C_TXPMGT |
574 IEEE80211_C_SHPREAMBLE |
575 IEEE80211_C_SHSLOT |
576 IEEE80211_C_TXFRAG |
577 IEEE80211_C_BURST |
578 IEEE80211_C_WME |
579 IEEE80211_C_WPA;
580
581 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
582 IEEE80211_CRYPTO_TKIP |
583 IEEE80211_CRYPTO_TKIPMIC |
584 IEEE80211_CRYPTO_AES_CCM;
585
586 ic->ic_htcaps = IEEE80211_HTC_HT |
587 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
588 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
589 IEEE80211_HTC_SMPS | /* MIMO power save */
590 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
591 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
592 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
593 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
594 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
595 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
596
597 /* spatial streams */
598
599 if (sc->nrxpath == 2)
600 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
601 else if (sc->nrxpath == 3)
602 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
603 else
604 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
605
606 if (sc->ntxpath > 1)
607 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
608
609 /* delayed BA */
610
611 if (sc->mac_rev != 0x28600100)
612 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
613
614 /* init channels */
615
616 ic->ic_nchans = 0;
617
618 rt2860_init_channels(sc);
619
620 rt2860_init_channels_ht40(sc);
621
622 ieee80211_ifattach(ic, sc->mac_addr);
623
624 ic->ic_vap_create = rt2860_vap_create;
625 ic->ic_vap_delete = rt2860_vap_delete;
626
627 ic->ic_node_alloc = rt2860_node_alloc;
628 ic->ic_node_getmimoinfo = rt2860_node_getmimoinfo;
629 ic->ic_setregdomain = rt2860_setregdomain;
630 ic->ic_getradiocaps = rt2860_getradiocaps;
631 ic->ic_scan_start = rt2860_scan_start;
632 ic->ic_scan_end = rt2860_scan_end;
633 ic->ic_set_channel = rt2860_set_channel;
634 ic->ic_newassoc = rt2860_newassoc;
635 ic->ic_updateslot = rt2860_updateslot;
636 ic->ic_update_promisc = rt2860_update_promisc;
637 ic->ic_update_mcast = rt2860_update_mcast;
638 ic->ic_wme.wme_update = rt2860_wme_update;
639 ic->ic_raw_xmit = rt2860_raw_xmit;
640
641 sc->recv_action = ic->ic_recv_action;
642 ic->ic_recv_action = rt2860_recv_action;
643
644 sc->send_action = ic->ic_send_action;
645 ic->ic_send_action = rt2860_send_action;
646
647 /* hardware requires padding between 802.11 frame header and body */
648
649 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
650
651 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
652
653 ieee80211_radiotap_attach(ic,
654 &sc->txtap.ihdr, sizeof(sc->txtap),
655 RT2860_SOFTC_TX_RADIOTAP_PRESENT,
656 &sc->rxtap.ihdr, sizeof(sc->rxtap),
657 RT2860_SOFTC_RX_RADIOTAP_PRESENT);
658
659 /* init task queue */
660
661 TASK_INIT(&sc->rx_done_task, 0, rt2860_rx_done_task, sc);
662 TASK_INIT(&sc->tx_done_task, 0, rt2860_tx_done_task, sc);
663 TASK_INIT(&sc->fifo_sta_full_task, 0, rt2860_fifo_sta_full_task, sc);
664 TASK_INIT(&sc->periodic_task, 0, rt2860_periodic_task, sc);
665
666 sc->rx_process_limit = 100;
667
668 sc->taskqueue = taskqueue_create("rt2860_taskq", M_NOWAIT,
669 taskqueue_thread_enqueue, &sc->taskqueue);
670
671 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
672 device_get_nameunit(sc->dev));
673
674 rt2860_sysctl_attach(sc);
675
676 if (bootverbose)
677 ieee80211_announce(ic);
678
679 /* set up interrupt */
680
681 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
682 NULL, rt2860_intr, sc, &sc->irqh);
683 if (error != 0)
684 {
685 printf("%s: could not set up interrupt\n",
686 device_get_nameunit(dev));
687 goto fail;
688 }
689
690 return 0;
691
692 fail:
693
694 /* free Tx and Rx rings */
695
696 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
697 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
698
699 rt2860_free_rx_ring(sc, &sc->rx_ring);
700
701 mtx_destroy(&sc->lock);
702
703 if (sc->mem != NULL)
704 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
705
706 if (sc->irq != NULL)
707 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
708
709 return error;
710 }
711
712 /*
713 * rt2860_detach
714 */
715 static int rt2860_detach(device_t dev)
716 {
717 struct rt2860_softc *sc;
718 struct ifnet *ifp;
719 struct ieee80211com *ic;
720 int i;
721
722 sc = device_get_softc(dev);
723 ifp = sc->ifp;
724 ic = ifp->if_l2com;
725
726 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
727 "%s: detaching\n",
728 device_get_nameunit(sc->dev));
729
730 RT2860_SOFTC_LOCK(sc);
731
732 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
733
734 callout_stop(&sc->periodic_ch);
735 callout_stop(&sc->tx_watchdog_ch);
736
737 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
738 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
739 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
740 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
741
742 /* free Tx and Rx rings */
743
744 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
745 rt2860_free_tx_ring(sc, &sc->tx_ring[i]);
746
747 rt2860_free_rx_ring(sc, &sc->rx_ring);
748
749 RT2860_SOFTC_UNLOCK(sc);
750
751 ieee80211_ifdetach(ic);
752
753 if_free(ifp);
754
755 taskqueue_free(sc->taskqueue);
756
757 mtx_destroy(&sc->lock);
758
759 bus_generic_detach(dev);
760
761 bus_teardown_intr(dev, sc->irq, sc->irqh);
762
763 bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
764
765 bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
766
767 return 0;
768 }
769
770 /*
771 * rt2860_shutdown
772 */
773 static int rt2860_shutdown(device_t dev)
774 {
775 struct rt2860_softc *sc;
776
777 sc = device_get_softc(dev);
778
779 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
780 "%s: shutting down\n",
781 device_get_nameunit(sc->dev));
782
783 rt2860_stop(sc);
784
785 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
786
787 return 0;
788 }
789
790 /*
791 * rt2860_suspend
792 */
793 static int rt2860_suspend(device_t dev)
794 {
795 struct rt2860_softc *sc;
796
797 sc = device_get_softc(dev);
798
799 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
800 "%s: suspending\n",
801 device_get_nameunit(sc->dev));
802
803 rt2860_stop(sc);
804
805 sc->flags &= ~RT2860_SOFTC_FLAGS_UCODE_LOADED;
806
807 return 0;
808 }
809
810 /*
811 * rt2860_resume
812 */
813 static int rt2860_resume(device_t dev)
814 {
815 struct rt2860_softc *sc;
816 struct ifnet *ifp;
817
818 sc = device_get_softc(dev);
819 ifp = sc->ifp;
820
821 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
822 "%s: resuming\n",
823 device_get_nameunit(sc->dev));
824
825 if (ifp->if_flags & IFF_UP)
826 rt2860_init(sc);
827
828 return 0;
829 }
830
831 /*
832 * rt2860_init_channels
833 */
834 static void rt2860_init_channels(struct rt2860_softc *sc)
835 {
836 struct ifnet *ifp;
837 struct ieee80211com *ic;
838 struct ieee80211_channel *c;
839 int i, flags;
840
841 ifp = sc->ifp;
842 ic = ifp->if_l2com;
843
844 /* set supported channels for 2GHz band */
845
846 for (i = 1; i <= 14; i++)
847 {
848 c = &ic->ic_channels[ic->ic_nchans++];
849 flags = IEEE80211_CHAN_B;
850
851 c->ic_freq = ieee80211_ieee2mhz(i, flags);
852 c->ic_ieee = i;
853 c->ic_flags = flags;
854
855 c = &ic->ic_channels[ic->ic_nchans++];
856 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
857
858 c->ic_freq = ieee80211_ieee2mhz(i, flags);
859 c->ic_ieee = i;
860 c->ic_flags = flags;
861
862 c = &ic->ic_channels[ic->ic_nchans++];
863 flags = IEEE80211_CHAN_G;
864
865 c->ic_freq = ieee80211_ieee2mhz(i, flags);
866 c->ic_ieee = i;
867 c->ic_flags = flags;
868
869 c = &ic->ic_channels[ic->ic_nchans++];
870 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
871
872 c->ic_freq = ieee80211_ieee2mhz(i, flags);
873 c->ic_ieee = i;
874 c->ic_flags = flags;
875 }
876
877 /* set supported channels for 5GHz band */
878
879 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
880 sc->rf_rev == RT2860_EEPROM_RF_2750)
881 {
882 for (i = 36; i <= 64; i += 4)
883 {
884 c = &ic->ic_channels[ic->ic_nchans++];
885 flags = IEEE80211_CHAN_A;
886
887 c->ic_freq = ieee80211_ieee2mhz(i, flags);
888 c->ic_ieee = i;
889 c->ic_flags = flags;
890
891 c = &ic->ic_channels[ic->ic_nchans++];
892 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
893
894 c->ic_freq = ieee80211_ieee2mhz(i, flags);
895 c->ic_ieee = i;
896 c->ic_flags = flags;
897 }
898
899 for (i = 100; i <= 140; i += 4)
900 {
901 c = &ic->ic_channels[ic->ic_nchans++];
902 flags = IEEE80211_CHAN_A;
903
904 c->ic_freq = ieee80211_ieee2mhz(i, flags);
905 c->ic_ieee = i;
906 c->ic_flags = flags;
907
908 c = &ic->ic_channels[ic->ic_nchans++];
909 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
910
911 c->ic_freq = ieee80211_ieee2mhz(i, flags);
912 c->ic_ieee = i;
913 c->ic_flags = flags;
914 }
915
916 for (i = 149; i <= 165; i += 4)
917 {
918 c = &ic->ic_channels[ic->ic_nchans++];
919 flags = IEEE80211_CHAN_A;
920
921 c->ic_freq = ieee80211_ieee2mhz(i, flags);
922 c->ic_ieee = i;
923 c->ic_flags = flags;
924
925 c = &ic->ic_channels[ic->ic_nchans++];
926 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
927
928 c->ic_freq = ieee80211_ieee2mhz(i, flags);
929 c->ic_ieee = i;
930 c->ic_flags = flags;
931 }
932 }
933 }
934
935 /*
936 * rt2860_init_channels_ht40
937 */
938 static void rt2860_init_channels_ht40(struct rt2860_softc *sc)
939 {
940 struct ifnet *ifp;
941 struct ieee80211com *ic;
942 struct ieee80211_channel *c, *cent, *ext;
943 int i, flags;
944
945 ifp = sc->ifp;
946 ic = ifp->if_l2com;
947
948 /* set supported channels for 2GHz band */
949
950 for (i = 1; i <= 14; i++)
951 {
952 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
953
954 /* find the center channel */
955
956 cent = ieee80211_find_channel_byieee(ic, i,
957 flags & ~IEEE80211_CHAN_HT);
958 if (cent == NULL)
959 {
960 printf("%s: skip channel %d, could not find center channel\n",
961 device_get_nameunit(sc->dev), i);
962 continue;
963 }
964
965 /* find the extension channel */
966
967 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
968 flags & ~IEEE80211_CHAN_HT);
969 if (ext == NULL)
970 {
971 printf("%s: skip channel %d, could not find extension channel\n",
972 device_get_nameunit(sc->dev), i);
973 continue;
974 }
975
976 c = &ic->ic_channels[ic->ic_nchans++];
977
978 *c = *cent;
979 c->ic_extieee = ext->ic_ieee;
980 c->ic_flags &= ~IEEE80211_CHAN_HT;
981 c->ic_flags |= IEEE80211_CHAN_HT40U;
982
983 c = &ic->ic_channels[ic->ic_nchans++];
984
985 *c = *ext;
986 c->ic_extieee = cent->ic_ieee;
987 c->ic_flags &= ~IEEE80211_CHAN_HT;
988 c->ic_flags |= IEEE80211_CHAN_HT40D;
989 }
990
991 /* set supported channels for 5GHz band */
992
993 if (sc->rf_rev == RT2860_EEPROM_RF_2850 ||
994 sc->rf_rev == RT2860_EEPROM_RF_2750)
995 {
996 for (i = 36; i <= 64; i += 4)
997 {
998 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
999
1000 /* find the center channel */
1001
1002 cent = ieee80211_find_channel_byieee(ic, i,
1003 flags & ~IEEE80211_CHAN_HT);
1004 if (cent == NULL)
1005 {
1006 printf("%s: skip channel %d, could not find center channel\n",
1007 device_get_nameunit(sc->dev), i);
1008 continue;
1009 }
1010
1011 /* find the extension channel */
1012
1013 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1014 flags & ~IEEE80211_CHAN_HT);
1015 if (ext == NULL)
1016 {
1017 printf("%s: skip channel %d, could not find extension channel\n",
1018 device_get_nameunit(sc->dev), i);
1019 continue;
1020 }
1021
1022 c = &ic->ic_channels[ic->ic_nchans++];
1023
1024 *c = *cent;
1025 c->ic_extieee = ext->ic_ieee;
1026 c->ic_flags &= ~IEEE80211_CHAN_HT;
1027 c->ic_flags |= IEEE80211_CHAN_HT40U;
1028
1029 c = &ic->ic_channels[ic->ic_nchans++];
1030
1031 *c = *ext;
1032 c->ic_extieee = cent->ic_ieee;
1033 c->ic_flags &= ~IEEE80211_CHAN_HT;
1034 c->ic_flags |= IEEE80211_CHAN_HT40D;
1035 }
1036
1037 for (i = 100; i <= 140; i += 4)
1038 {
1039 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1040
1041 /* find the center channel */
1042
1043 cent = ieee80211_find_channel_byieee(ic, i,
1044 flags & ~IEEE80211_CHAN_HT);
1045 if (cent == NULL)
1046 {
1047 printf("%s: skip channel %d, could not find center channel\n",
1048 device_get_nameunit(sc->dev), i);
1049 continue;
1050 }
1051
1052 /* find the extension channel */
1053
1054 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1055 flags & ~IEEE80211_CHAN_HT);
1056 if (ext == NULL)
1057 {
1058 printf("%s: skip channel %d, could not find extension channel\n",
1059 device_get_nameunit(sc->dev), i);
1060 continue;
1061 }
1062
1063 c = &ic->ic_channels[ic->ic_nchans++];
1064
1065 *c = *cent;
1066 c->ic_extieee = ext->ic_ieee;
1067 c->ic_flags &= ~IEEE80211_CHAN_HT;
1068 c->ic_flags |= IEEE80211_CHAN_HT40U;
1069
1070 c = &ic->ic_channels[ic->ic_nchans++];
1071
1072 *c = *ext;
1073 c->ic_extieee = cent->ic_ieee;
1074 c->ic_flags &= ~IEEE80211_CHAN_HT;
1075 c->ic_flags |= IEEE80211_CHAN_HT40D;
1076 }
1077
1078 for (i = 149; i <= 165; i += 4)
1079 {
1080 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1081
1082 /* find the center channel */
1083
1084 cent = ieee80211_find_channel_byieee(ic, i,
1085 flags & ~IEEE80211_CHAN_HT);
1086 if (cent == NULL)
1087 {
1088 printf("%s: skip channel %d, could not find center channel\n",
1089 device_get_nameunit(sc->dev), i);
1090 continue;
1091 }
1092
1093 /* find the extension channel */
1094
1095 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1096 flags & ~IEEE80211_CHAN_HT);
1097 if (ext == NULL)
1098 {
1099 printf("%s: skip channel %d, could not find extension channel\n",
1100 device_get_nameunit(sc->dev), i);
1101 continue;
1102 }
1103
1104 c = &ic->ic_channels[ic->ic_nchans++];
1105
1106 *c = *cent;
1107 c->ic_extieee = ext->ic_ieee;
1108 c->ic_flags &= ~IEEE80211_CHAN_HT;
1109 c->ic_flags |= IEEE80211_CHAN_HT40U;
1110
1111 c = &ic->ic_channels[ic->ic_nchans++];
1112
1113 *c = *ext;
1114 c->ic_extieee = cent->ic_ieee;
1115 c->ic_flags &= ~IEEE80211_CHAN_HT;
1116 c->ic_flags |= IEEE80211_CHAN_HT40D;
1117 }
1118 }
1119 }
1120
1121 /*
1122 * rt2860_init_locked
1123 */
1124 static void rt2860_init_locked(void *priv)
1125 {
1126 struct rt2860_softc *sc;
1127 struct ifnet *ifp;
1128 struct ieee80211com *ic;
1129 int error, i, ntries;
1130 uint32_t tmp, stacnt[6];
1131
1132 sc = priv;
1133 ifp = sc->ifp;
1134 ic = ifp->if_l2com;
1135
1136 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1137 "%s: initializing\n",
1138 device_get_nameunit(sc->dev));
1139
1140 RT2860_SOFTC_ASSERT_LOCKED(sc);
1141
1142 if (!(sc->flags & RT2860_SOFTC_FLAGS_UCODE_LOADED))
1143 {
1144 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1145 "%s: loading 8051 microcode\n",
1146 device_get_nameunit(sc->dev));
1147
1148 error = rt2860_io_mcu_load_ucode(sc, rt2860_ucode, sizeof(rt2860_ucode));
1149 if (error != 0)
1150 {
1151 printf("%s: could not load 8051 microcode\n",
1152 device_get_nameunit(sc->dev));
1153 goto fail;
1154 }
1155
1156 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1157 "%s: 8051 microcode was successfully loaded\n",
1158 device_get_nameunit(sc->dev));
1159
1160 sc->flags |= RT2860_SOFTC_FLAGS_UCODE_LOADED;
1161 }
1162
1163 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x2);
1164
1165 /* disable DMA engine */
1166
1167 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1168
1169 tmp &= 0xff0;
1170 tmp |= RT2860_REG_TX_WB_DDONE;
1171
1172 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1173
1174 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, 0xffffffff);
1175
1176 /* PBF hardware reset */
1177
1178 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1179 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1180
1181 /* wait while DMA engine is busy */
1182
1183 for (ntries = 0; ntries < 100; ntries++)
1184 {
1185 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1186 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1187 break;
1188
1189 DELAY(1000);
1190 }
1191
1192 if (ntries == 100)
1193 {
1194 printf("%s: timeout waiting for DMA engine\n",
1195 device_get_nameunit(sc->dev));
1196 goto fail;
1197 }
1198
1199 tmp &= 0xff0;
1200 tmp |= RT2860_REG_TX_WB_DDONE;
1201
1202 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1203
1204 /* reset Rx and Tx rings */
1205
1206 tmp = RT2860_REG_RST_IDX_RX |
1207 RT2860_REG_RST_IDX_TX_MGMT |
1208 RT2860_REG_RST_IDX_TX_HCCA |
1209 RT2860_REG_RST_IDX_TX_AC3 |
1210 RT2860_REG_RST_IDX_TX_AC2 |
1211 RT2860_REG_RST_IDX_TX_AC1 |
1212 RT2860_REG_RST_IDX_TX_AC0;
1213
1214 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_RST_IDX, tmp);
1215
1216 /* PBF hardware reset */
1217
1218 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe1f);
1219 rt2860_io_mac_write(sc, RT2860_REG_PBF_SYS_CTRL, 0xe00);
1220
1221 rt2860_io_mac_write(sc, RT2860_REG_PWR_PIN_CFG, 0x3);
1222
1223 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1224 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1225 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1226
1227 /* init Tx power per rate */
1228
1229 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
1230 {
1231 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1232 continue;
1233
1234 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i),
1235 sc->txpow_rate_20mhz[i]);
1236 }
1237
1238 for (i = 0; i < RT2860_DEF_MAC_SIZE; i++)
1239 rt2860_io_mac_write(sc, rt2860_def_mac[i].reg,
1240 rt2860_def_mac[i].val);
1241
1242 /* wait while MAC is busy */
1243
1244 for (ntries = 0; ntries < 100; ntries++)
1245 {
1246 if (!(rt2860_io_mac_read(sc, RT2860_REG_STATUS_CFG) &
1247 (RT2860_REG_STATUS_TX_BUSY | RT2860_REG_STATUS_RX_BUSY)))
1248 break;
1249
1250 DELAY(1000);
1251 }
1252
1253 if (ntries == 100)
1254 {
1255 printf("%s: timeout waiting for MAC\n",
1256 device_get_nameunit(sc->dev));
1257 goto fail;
1258 }
1259
1260 /* clear Host to MCU mailbox */
1261
1262 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX_BBP_AGENT, 0);
1263 rt2860_io_mac_write(sc, RT2860_REG_H2M_MAILBOX, 0);
1264
1265 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_BOOT,
1266 RT2860_REG_H2M_TOKEN_NO_INTR, 0);
1267
1268 DELAY(1000);
1269
1270 error = rt2860_init_bbp(sc);
1271 if (error != 0)
1272 goto fail;
1273
1274 /* set up maximum buffer sizes */
1275
1276 tmp = (1 << 12) | RT2860_MAX_AGG_SIZE;
1277
1278 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1279
1280 if (sc->mac_rev == 0x28720200)
1281 {
1282 /* set max. PSDU length from 16K to 32K bytes */
1283
1284 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1285
1286 tmp &= ~(3 << 12);
1287 tmp |= (2 << 12);
1288
1289 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1290 }
1291
1292 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1293 {
1294 tmp = rt2860_io_mac_read(sc, RT2860_REG_MAX_LEN_CFG);
1295
1296 tmp &= 0xfff;
1297 tmp |= 0x2000;
1298
1299 rt2860_io_mac_write(sc, RT2860_REG_MAX_LEN_CFG, tmp);
1300 }
1301
1302 /* set mac address */
1303
1304 rt2860_asic_set_macaddr(sc, IF_LLADDR(ifp));
1305
1306 /* clear statistic registers */
1307
1308 rt2860_io_mac_read_multi(sc, RT2860_REG_RX_STA_CNT0,
1309 stacnt, sizeof(stacnt));
1310
1311 /* set RTS threshold */
1312
1313 rt2860_asic_update_rtsthreshold(sc);
1314
1315 /* set Tx power */
1316
1317 rt2860_asic_update_txpower(sc);
1318
1319 /* set up protection mode */
1320
1321 sc->tx_ampdu_sessions = 0;
1322
1323 rt2860_asic_updateprot(sc);
1324
1325 /* clear beacon frame space (entries = 8, entry size = 512) */
1326
1327 rt2860_io_mac_set_region_4(sc, RT2860_REG_BEACON_BASE(0), 0, 1024);
1328
1329 taskqueue_unblock(sc->taskqueue);
1330
1331 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
1332
1333 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1334 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
1335
1336 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
1337 {
1338 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
1339 sc->tx_ring[i].desc_phys_addr);
1340 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
1341 RT2860_SOFTC_TX_RING_DESC_COUNT);
1342 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
1343 }
1344
1345 /* init Rx ring */
1346
1347 rt2860_reset_rx_ring(sc, &sc->rx_ring);
1348
1349 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
1350 sc->rx_ring.desc_phys_addr);
1351 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
1352 RT2860_SOFTC_RX_RING_DATA_COUNT);
1353 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
1354 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
1355
1356 /* wait while DMA engine is busy */
1357
1358 for (ntries = 0; ntries < 100; ntries++)
1359 {
1360 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
1361 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
1362 break;
1363
1364 DELAY(1000);
1365 }
1366
1367 if (ntries == 100)
1368 {
1369 printf("%s: timeout waiting for DMA engine\n",
1370 device_get_nameunit(sc->dev));
1371 goto fail;
1372 }
1373
1374 tmp &= 0xff0;
1375 tmp |= RT2860_REG_TX_WB_DDONE;
1376
1377 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1378
1379 /* disable interrupts mitigation */
1380
1381 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_DELAY_INT_CFG, 0);
1382
1383 /* send LEDs operating mode to microcontroller */
1384
1385 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED1,
1386 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1387 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED2,
1388 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1389 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_LED3,
1390 RT2860_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1391
1392 /* turn radio LED on */
1393
1394 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON);
1395
1396 /* write vendor-specific BBP values (from EEPROM) */
1397
1398 for (i = 0; i < RT2860_SOFTC_BBP_EEPROM_COUNT; i++)
1399 {
1400 if (sc->bbp_eeprom[i].reg == 0x00 ||
1401 sc->bbp_eeprom[i].reg == 0xff)
1402 continue;
1403
1404 rt2860_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1405 sc->bbp_eeprom[i].val);
1406 }
1407
1408 /*
1409 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_GPIO_CTRL_CFG);
1410 if (tmp & (1 << 2))
1411 {
1412 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_SLEEP,
1413 RT2860_REG_H2M_TOKEN_RADIOOFF, 0x02ff);
1414 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_RADIOOFF);
1415
1416 rt2860_io_mcu_cmd(sc, RT2860_IO_MCU_CMD_WAKEUP,
1417 RT2860_REG_H2M_TOKEN_WAKEUP, 0);
1418 rt2860_io_mcu_cmd_check(sc, RT2860_REG_H2M_TOKEN_WAKEUP);
1419 }
1420 */
1421
1422 /* disable non-existing Rx chains */
1423
1424 tmp = rt2860_io_bbp_read(sc, 3);
1425
1426 tmp &= ~((1 << 4) | (1 << 3));
1427
1428 if (sc->nrxpath == 3)
1429 tmp |= (1 << 4);
1430 else if (sc->nrxpath == 2)
1431 tmp |= (1 << 3);
1432
1433 rt2860_io_bbp_write(sc, 3, tmp);
1434
1435 /* disable non-existing Tx chains */
1436
1437 tmp = rt2860_io_bbp_read(sc, 1);
1438
1439 tmp &= ~((1 << 4) | (1 << 3));
1440
1441 if (sc->ntxpath == 2)
1442 tmp |= (1 << 4);
1443
1444 rt2860_io_bbp_write(sc, 1, tmp);
1445
1446 /* set current channel */
1447
1448 rt2860_rf_set_chan(sc, ic->ic_curchan);
1449
1450 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1451 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
1452 (48 << 16) | 96);
1453
1454 if ((sc->mac_rev & 0xffff) != 0x0101)
1455 rt2860_io_mac_write(sc, RT2860_REG_TX_TXOP_CTRL_CFG, 0x583f);
1456
1457 /* clear pending interrupts */
1458
1459 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, 0xffffffff);
1460
1461 /* enable interrupts */
1462
1463 tmp = RT2860_REG_INT_TX_COHERENT |
1464 RT2860_REG_INT_RX_COHERENT |
1465 RT2860_REG_INT_GP_TIMER |
1466 RT2860_REG_INT_AUTO_WAKEUP |
1467 RT2860_REG_INT_FIFO_STA_FULL |
1468 /*
1469 RT2860_REG_INT_PRE_TBTT |
1470 RT2860_REG_INT_TBTT |
1471 */
1472 RT2860_REG_INT_TXRX_COHERENT |
1473 RT2860_REG_INT_MCU_CMD |
1474 RT2860_REG_INT_TX_MGMT_DONE |
1475 RT2860_REG_INT_TX_HCCA_DONE |
1476 RT2860_REG_INT_TX_AC3_DONE |
1477 RT2860_REG_INT_TX_AC2_DONE |
1478 RT2860_REG_INT_TX_AC1_DONE |
1479 RT2860_REG_INT_TX_AC0_DONE |
1480 RT2860_REG_INT_RX_DONE;
1481
1482 sc->intr_enable_mask = tmp;
1483
1484 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
1485
1486 if (rt2860_txrx_enable(sc) != 0)
1487 goto fail;
1488
1489 /* clear garbage interrupts */
1490
1491 tmp = rt2860_io_mac_read(sc, 0x1300);
1492
1493 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1494 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1495
1496 sc->periodic_round = 0;
1497
1498 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
1499
1500 return;
1501
1502 fail:
1503
1504 rt2860_stop_locked(sc);
1505 }
1506
1507 /*
1508 * rt2860_init
1509 */
1510 static void rt2860_init(void *priv)
1511 {
1512 struct rt2860_softc *sc;
1513
1514 sc = priv;
1515
1516 RT2860_SOFTC_LOCK(sc);
1517
1518 rt2860_init_locked(sc);
1519
1520 RT2860_SOFTC_UNLOCK(sc);
1521 }
1522
1523 /*
1524 * rt2860_init_bbp
1525 */
1526 static int rt2860_init_bbp(struct rt2860_softc *sc)
1527 {
1528 int ntries, i;
1529 uint8_t tmp;
1530
1531 for (ntries = 0; ntries < 20; ntries++)
1532 {
1533 tmp = rt2860_io_bbp_read(sc, 0);
1534 if (tmp != 0x00 && tmp != 0xff)
1535 break;
1536 }
1537
1538 if (tmp == 0x00 || tmp == 0xff)
1539 {
1540 printf("%s: timeout waiting for BBP to wakeup\n",
1541 device_get_nameunit(sc->dev));
1542 return ETIMEDOUT;
1543 }
1544
1545 for (i = 0; i < RT2860_DEF_BBP_SIZE; i++)
1546 rt2860_io_bbp_write(sc, rt2860_def_bbp[i].reg,
1547 rt2860_def_bbp[i].val);
1548
1549 if ((sc->mac_rev & 0xffff) != 0x0101)
1550 rt2860_io_bbp_write(sc, 84, 0x19);
1551
1552 if (sc->mac_rev == 0x28600100)
1553 {
1554 rt2860_io_bbp_write(sc, 69, 0x16);
1555 rt2860_io_bbp_write(sc, 73, 0x12);
1556 }
1557
1558 return 0;
1559 }
1560
1561 /*
1562 * rt2860_stop_locked
1563 */
1564 static void rt2860_stop_locked(void *priv)
1565 {
1566 struct rt2860_softc *sc;
1567 struct ifnet *ifp;
1568 struct ieee80211com *ic;
1569 uint32_t tmp;
1570
1571 sc = priv;
1572 ifp = sc->ifp;
1573 ic = ifp->if_l2com;
1574
1575 RT2860_DPRINTF(sc, RT2860_DEBUG_ANY,
1576 "%s: stopping\n",
1577 device_get_nameunit(sc->dev));
1578
1579 RT2860_SOFTC_ASSERT_LOCKED(sc);
1580
1581 sc->tx_timer = 0;
1582
1583 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1584 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1585
1586 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1587
1588 callout_stop(&sc->periodic_ch);
1589 callout_stop(&sc->tx_watchdog_ch);
1590
1591 RT2860_SOFTC_UNLOCK(sc);
1592
1593 taskqueue_block(sc->taskqueue);
1594
1595 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1596 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1597 taskqueue_drain(sc->taskqueue, &sc->fifo_sta_full_task);
1598 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1599
1600 RT2860_SOFTC_LOCK(sc);
1601
1602 /* clear key tables */
1603
1604 rt2860_asic_clear_keytables(sc);
1605
1606 /* disable interrupts */
1607
1608 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, 0);
1609
1610 /* disable Tx/Rx */
1611
1612 tmp = rt2860_io_mac_read(sc, RT2860_REG_SYS_CTRL);
1613
1614 tmp &= ~(RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
1615
1616 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, tmp);
1617
1618 /* reset adapter */
1619
1620 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
1621 RT2860_REG_MAC_SRST | RT2860_REG_BBP_HRST);
1622 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, 0);
1623 }
1624
1625 /*
1626 * rt2860_stop
1627 */
1628 static void rt2860_stop(void *priv)
1629 {
1630 struct rt2860_softc *sc;
1631
1632 sc = priv;
1633
1634 RT2860_SOFTC_LOCK(sc);
1635
1636 rt2860_stop_locked(sc);
1637
1638 RT2860_SOFTC_UNLOCK(sc);
1639 }
1640
1641 /*
1642 * rt2860_start
1643 */
1644 static void rt2860_start(struct ifnet *ifp)
1645 {
1646 struct rt2860_softc *sc;
1647 struct ieee80211_node *ni;
1648 struct mbuf *m;
1649 int qid;
1650
1651 sc = ifp->if_softc;
1652
1653 RT2860_SOFTC_LOCK(sc);
1654
1655 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1656 {
1657 RT2860_SOFTC_UNLOCK(sc);
1658 return;
1659 }
1660
1661 for (;;)
1662 {
1663 IF_POLL(&ifp->if_snd, m);
1664 if (m == NULL)
1665 break;
1666
1667 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1668
1669 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1670
1671 qid = M_WME_GETAC(m);
1672
1673 if (sc->tx_ring[qid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
1674 {
1675 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
1676 "%s: if_start: Tx ring with qid=%d is full\n",
1677 device_get_nameunit(sc->dev), qid);
1678
1679 m_freem(m);
1680 ieee80211_free_node(ni);
1681
1682 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1683 ifp->if_oerrors++;
1684
1685 sc->tx_data_queue_full[qid]++;
1686
1687 break;
1688 }
1689
1690 if (rt2860_tx_data(sc, m, ni, qid) != 0)
1691 {
1692 ieee80211_free_node(ni);
1693
1694 ifp->if_oerrors++;
1695
1696 break;
1697 }
1698
1699 rt2860_drain_fifo_stats(sc);
1700
1701 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
1702
1703 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
1704 }
1705
1706 RT2860_SOFTC_UNLOCK(sc);
1707 }
1708
1709 /*
1710 * rt2860_ioctl
1711 */
1712 static int rt2860_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1713 {
1714 struct rt2860_softc *sc;
1715 struct ieee80211com *ic;
1716 struct ifreq *ifr;
1717 int error, startall;
1718
1719 sc = ifp->if_softc;
1720 ic = ifp->if_l2com;
1721 ifr = (struct ifreq *) data;
1722
1723 error = 0;
1724
1725 switch (cmd)
1726 {
1727 case SIOCSIFFLAGS:
1728 startall = 0;
1729
1730 RT2860_SOFTC_LOCK(sc);
1731
1732 if (ifp->if_flags & IFF_UP)
1733 {
1734 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1735 {
1736 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1737 rt2860_asic_update_promisc(sc);
1738 }
1739 else
1740 {
1741 rt2860_init_locked(sc);
1742 startall = 1;
1743 }
1744 }
1745 else
1746 {
1747 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1748 rt2860_stop_locked(sc);
1749 }
1750
1751 sc->if_flags = ifp->if_flags;
1752
1753 RT2860_SOFTC_UNLOCK(sc);
1754
1755 if (startall)
1756 ieee80211_start_all(ic);
1757 break;
1758
1759 case SIOCGIFMEDIA:
1760 case SIOCSIFMEDIA:
1761 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1762 break;
1763
1764 case SIOCGIFADDR:
1765 error = ether_ioctl(ifp, cmd, data);
1766 break;
1767
1768 default:
1769 error = EINVAL;
1770 break;
1771 }
1772
1773 return error;
1774 }
1775
1776 /*
1777 * rt2860_vap_create
1778 */
1779 static struct ieee80211vap *rt2860_vap_create(struct ieee80211com *ic,
1780 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1781 const uint8_t bssid[IEEE80211_ADDR_LEN],
1782 const uint8_t mac[IEEE80211_ADDR_LEN])
1783 {
1784 struct rt2860_softc *sc;
1785 struct ifnet *ifp;
1786 struct rt2860_softc_vap *rvap;
1787 struct ieee80211vap *vap;
1788
1789 ifp = ic->ic_ifp;
1790 sc = ifp->if_softc;
1791
1792 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1793 "%s: VAP create: opmode=%s\n",
1794 device_get_nameunit(sc->dev),
1795 ieee80211_opmode_name[opmode]);
1796
1797 switch (opmode)
1798 {
1799 case IEEE80211_M_MONITOR:
1800 case IEEE80211_M_IBSS:
1801 case IEEE80211_M_STA:
1802 case IEEE80211_M_AHDEMO:
1803 case IEEE80211_M_HOSTAP:
1804 case IEEE80211_M_MBSS:
1805 if (!TAILQ_EMPTY(&ic->ic_vaps))
1806 {
1807 if_printf(ifp, "only 1 VAP supported\n");
1808 return NULL;
1809 }
1810
1811 if (opmode == IEEE80211_M_STA)
1812 flags |= IEEE80211_CLONE_NOBEACONS;
1813 break;
1814
1815 case IEEE80211_M_WDS:
1816 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1817 {
1818 if_printf(ifp, "WDS only supported in AP mode\n");
1819 return NULL;
1820 }
1821
1822 flags &= ~IEEE80211_CLONE_BSSID;
1823 break;
1824
1825 default:
1826 if_printf(ifp, "unknown opmode %d\n", opmode);
1827 return NULL;
1828 }
1829
1830 rvap = (struct rt2860_softc_vap *) malloc(sizeof(struct rt2860_softc_vap),
1831 M_80211_VAP, M_NOWAIT | M_ZERO);
1832 if (rvap == NULL)
1833 return NULL;
1834
1835 vap = &rvap->vap;
1836
1837 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1838
1839 rvap->newstate = vap->iv_newstate;
1840 vap->iv_newstate = rt2860_vap_newstate;
1841
1842 vap->iv_reset = rt2860_vap_reset;
1843 vap->iv_key_update_begin = rt2860_vap_key_update_begin;
1844 vap->iv_key_update_end = rt2860_vap_key_update_end;
1845 vap->iv_key_set = rt2860_vap_key_set;
1846 vap->iv_key_delete = rt2860_vap_key_delete;
1847 vap->iv_update_beacon = rt2860_vap_update_beacon;
1848
1849 rt2860_amrr_init(&rvap->amrr, vap,
1850 sc->ntxpath,
1851 RT2860_AMRR_MIN_SUCCESS_THRESHOLD,
1852 RT2860_AMRR_MAX_SUCCESS_THRESHOLD,
1853 500);
1854
1855 ieee80211_vap_attach(vap, rt2860_media_change, ieee80211_media_status);
1856
1857 /* override default Rx A-MPDU factor */
1858
1859 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1860 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1861 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1862
1863 ic->ic_opmode = opmode;
1864
1865 return vap;
1866 }
1867
1868 /*
1869 * rt2860_vap_delete
1870 */
1871 static void rt2860_vap_delete(struct ieee80211vap *vap)
1872 {
1873 struct rt2860_softc *sc;
1874 struct ieee80211com *ic;
1875 struct ifnet *ifp;
1876 struct rt2860_softc_vap *rvap;
1877
1878 ic = vap->iv_ic;
1879 ifp = ic->ic_ifp;
1880 sc = ifp->if_softc;
1881 rvap = (struct rt2860_softc_vap *) vap;
1882
1883 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1884 "%s: VAP delete: opmode=%s\n",
1885 device_get_nameunit(sc->dev),
1886 ieee80211_opmode_name[vap->iv_opmode]);
1887
1888 rt2860_amrr_cleanup(&rvap->amrr);
1889
1890 ieee80211_vap_detach(vap);
1891
1892 if (rvap->beacon_mbuf != NULL)
1893 {
1894 m_free(rvap->beacon_mbuf);
1895 rvap->beacon_mbuf = NULL;
1896 }
1897
1898 free(rvap, M_80211_VAP);
1899 }
1900
1901 /*
1902 * rt2860_reset_vap
1903 */
1904 static int rt2860_vap_reset(struct ieee80211vap *vap, u_long cmd)
1905 {
1906 struct rt2860_softc *sc;
1907 struct ieee80211com *ic;
1908 struct ifnet *ifp;
1909 struct rt2860_softc_vap *rvap;
1910 int error;
1911
1912 ic = vap->iv_ic;
1913 ifp = ic->ic_ifp;
1914 sc = ifp->if_softc;
1915 rvap = (struct rt2860_softc_vap *) vap;
1916
1917 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1918 "%s: VAP reset: cmd=%lu\n",
1919 device_get_nameunit(sc->dev), cmd);
1920
1921 error = 0;
1922
1923 switch (cmd)
1924 {
1925 case IEEE80211_IOC_RTSTHRESHOLD:
1926 case IEEE80211_IOC_AMSDU:
1927 rt2860_asic_update_rtsthreshold(sc);
1928 break;
1929
1930 case IEEE80211_IOC_PROTMODE:
1931 case IEEE80211_IOC_HTPROTMODE:
1932 rt2860_asic_updateprot(sc);
1933 break;
1934
1935 case IEEE80211_IOC_TXPOWER:
1936 rt2860_asic_update_txpower(sc);
1937 break;
1938
1939 case IEEE80211_IOC_BURST:
1940 rt2860_asic_updateslot(sc);
1941 break;
1942
1943 case IEEE80211_IOC_SHORTGI:
1944 case IEEE80211_IOC_AMPDU_DENSITY:
1945 case IEEE80211_IOC_SMPS:
1946 break;
1947
1948 default:
1949 error = ENETRESET;
1950 break;
1951 }
1952
1953 return error;
1954 }
1955
1956 /*
1957 * rt2860_vap_newstate
1958 */
1959 static int rt2860_vap_newstate(struct ieee80211vap *vap,
1960 enum ieee80211_state nstate, int arg)
1961 {
1962 struct rt2860_softc *sc;
1963 struct ieee80211com *ic;
1964 struct ifnet *ifp;
1965 struct rt2860_softc_vap *rvap;
1966 struct ieee80211_node *ni;
1967 enum ieee80211_state ostate;
1968 int error;
1969
1970 ic = vap->iv_ic;
1971 ifp = ic->ic_ifp;
1972 sc = ifp->if_softc;
1973 rvap = (struct rt2860_softc_vap *) vap;
1974
1975 ostate = vap->iv_state;
1976
1977 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
1978 "%s: VAP newstate: %s -> %s\n",
1979 device_get_nameunit(sc->dev),
1980 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1981
1982 error = rvap->newstate(vap, nstate, arg);
1983 if (error != 0)
1984 return error;
1985
1986 IEEE80211_UNLOCK(ic);
1987
1988 RT2860_SOFTC_LOCK(sc);
1989
1990 /* turn link LED off */
1991
1992 if (nstate != IEEE80211_S_RUN)
1993 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_OFF);
1994
1995 switch (nstate)
1996 {
1997 case IEEE80211_S_INIT:
1998 rt2860_asic_disable_tsf_sync(sc);
1999 break;
2000
2001 case IEEE80211_S_RUN:
2002 ni = vap->iv_bss;
2003
2004 rt2860_rf_set_chan(sc, ni->ni_chan);
2005
2006 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2007 {
2008 rt2860_asic_enable_mrr(sc);
2009 rt2860_asic_set_txpreamble(sc);
2010 rt2860_asic_set_basicrates(sc);
2011 rt2860_asic_update_txpower(sc);
2012 rt2860_asic_set_bssid(sc, ni->ni_bssid);
2013 }
2014
2015 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2016 vap->iv_opmode == IEEE80211_M_IBSS ||
2017 vap->iv_opmode == IEEE80211_M_MBSS)
2018 {
2019 error = rt2860_beacon_alloc(sc, vap);
2020 if (error != 0)
2021 break;
2022
2023 rt2860_asic_update_beacon(sc, vap);
2024 }
2025
2026 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2027 rt2860_asic_enable_tsf_sync(sc);
2028
2029 /* turn link LED on */
2030
2031 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2032 {
2033 rt2860_led_cmd(sc, RT2860_LED_CMD_RADIO_ON |
2034 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2035 RT2860_LED_CMD_LINK_2GHZ : RT2860_LED_CMD_LINK_5GHZ));
2036 }
2037 break;
2038
2039 default:
2040 break;
2041 }
2042
2043 RT2860_SOFTC_UNLOCK(sc);
2044
2045 IEEE80211_LOCK(ic);
2046
2047 return error;
2048 }
2049
2050 /*
2051 * rt2860_vap_key_update_begin
2052 */
2053 static void rt2860_vap_key_update_begin(struct ieee80211vap *vap)
2054 {
2055 struct rt2860_softc *sc;
2056 struct ieee80211com *ic;
2057 struct ifnet *ifp;
2058
2059 ic = vap->iv_ic;
2060 ifp = ic->ic_ifp;
2061 sc = ifp->if_softc;
2062
2063 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2064 "%s: VAP key update begin\n",
2065 device_get_nameunit(sc->dev));
2066
2067 taskqueue_block(sc->taskqueue);
2068
2069 IF_LOCK(&ifp->if_snd);
2070 }
2071
2072 /*
2073 * rt2860_vap_key_update_end
2074 */
2075 static void rt2860_vap_key_update_end(struct ieee80211vap *vap)
2076 {
2077 struct rt2860_softc *sc;
2078 struct ieee80211com *ic;
2079 struct ifnet *ifp;
2080
2081 ic = vap->iv_ic;
2082 ifp = ic->ic_ifp;
2083 sc = ifp->if_softc;
2084
2085 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2086 "%s: VAP key update end\n",
2087 device_get_nameunit(sc->dev));
2088
2089 IF_UNLOCK(&ifp->if_snd);
2090
2091 taskqueue_unblock(sc->taskqueue);
2092 }
2093
2094 /*
2095 * rt2860_vap_key_set
2096 */
2097 static int rt2860_vap_key_set(struct ieee80211vap *vap,
2098 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2099 {
2100 struct rt2860_softc *sc;
2101 struct ieee80211com *ic;
2102 struct ifnet *ifp;
2103 struct ieee80211_node *ni;
2104 uint16_t associd, key_base, keymode_base;
2105 uint8_t mode, vapid, wcid, iv[8];
2106 uint32_t tmp;
2107
2108 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2109 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2110 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2111 return EINVAL;
2112
2113 ic = vap->iv_ic;
2114 ifp = ic->ic_ifp;
2115 sc = ifp->if_softc;
2116 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr);
2117 associd = (ni != NULL) ? ni->ni_associd : 0;
2118
2119 if (ni != NULL)
2120 ieee80211_free_node(ni);
2121
2122 switch (k->wk_cipher->ic_cipher)
2123 {
2124 case IEEE80211_CIPHER_WEP:
2125 if(k->wk_keylen < 8)
2126 mode = RT2860_REG_CIPHER_MODE_WEP40;
2127 else
2128 mode = RT2860_REG_CIPHER_MODE_WEP104;
2129 break;
2130
2131 case IEEE80211_CIPHER_TKIP:
2132 mode = RT2860_REG_CIPHER_MODE_TKIP;
2133 break;
2134
2135 case IEEE80211_CIPHER_AES_CCM:
2136 mode = RT2860_REG_CIPHER_MODE_AES_CCMP;
2137 break;
2138
2139 default:
2140 return EINVAL;
2141 }
2142
2143 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2144 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, associd=0x%04x, mode=%d, group=%d\n",
2145 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2146 associd, mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2147
2148 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2149 {
2150 /* install pairwise key */
2151
2152 vapid = 0;
2153 wcid = RT2860_AID2WCID(associd);
2154 key_base = RT2860_REG_PKEY(wcid);
2155
2156 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2157 {
2158 memset(iv, 0, 8);
2159
2160 iv[3] = (k->wk_keyix << 6);
2161 }
2162 else
2163 {
2164 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2165 {
2166 iv[0] = (k->wk_keytsc >> 8);
2167 iv[1] = ((iv[0] | 0x20) & 0x7f);
2168 iv[2] = k->wk_keytsc;
2169 }
2170 else
2171 {
2172 /* AES CCMP */
2173
2174 iv[0] = k->wk_keytsc;
2175 iv[1] = k->wk_keytsc >> 8;
2176 iv[2] = 0;
2177 }
2178
2179 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2180 iv[4] = (k->wk_keytsc >> 16);
2181 iv[5] = (k->wk_keytsc >> 24);
2182 iv[6] = (k->wk_keytsc >> 32);
2183 iv[7] = (k->wk_keytsc >> 40);
2184
2185 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2186 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2187 device_get_nameunit(sc->dev),
2188 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2189 }
2190
2191 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2192
2193 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2194 {
2195 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2196
2197 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2198 {
2199 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2200 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2201 }
2202 else
2203 {
2204 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2205 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2206 }
2207 }
2208 else
2209 {
2210 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2211 }
2212
2213 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2214 (mode << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2215
2216 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2217 }
2218
2219 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2220 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2221 {
2222 /* install group key */
2223
2224 vapid = 0;
2225 wcid = 0; /* mcast/bcast WCID */
2226 key_base = RT2860_REG_SKEY(vapid, k->wk_keyix);
2227 keymode_base = RT2860_REG_SKEY_MODE(vapid);
2228
2229 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2230 {
2231 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2232
2233 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2234 {
2235 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2236 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2237 }
2238 else
2239 {
2240 rt2860_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2241 rt2860_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2242 }
2243 }
2244 else
2245 {
2246 rt2860_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2247 }
2248
2249 tmp = rt2860_io_mac_read(sc, keymode_base);
2250
2251 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2252 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2253
2254 rt2860_io_mac_write(sc, keymode_base, tmp);
2255
2256 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2257 {
2258 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2259 {
2260 memset(iv, 0, 8);
2261
2262 iv[3] = (k->wk_keyix << 6);
2263 }
2264 else
2265 {
2266 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2267 {
2268 iv[0] = (k->wk_keytsc >> 8);
2269 iv[1] = ((iv[0] | 0x20) & 0x7f);
2270 iv[2] = k->wk_keytsc;
2271 }
2272 else
2273 {
2274 /* AES CCMP */
2275
2276 iv[0] = k->wk_keytsc;
2277 iv[1] = k->wk_keytsc >> 8;
2278 iv[2] = 0;
2279 }
2280
2281 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2282 iv[4] = (k->wk_keytsc >> 16);
2283 iv[5] = (k->wk_keytsc >> 24);
2284 iv[6] = (k->wk_keytsc >> 32);
2285 iv[7] = (k->wk_keytsc >> 40);
2286
2287 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2288 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2289 device_get_nameunit(sc->dev),
2290 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2291 }
2292
2293 rt2860_io_mac_write_multi(sc, RT2860_REG_IVEIV(wcid), iv, 8);
2294
2295 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2296 (mode << RT2860_REG_CIPHER_MODE_SHIFT);
2297
2298 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2299 }
2300 }
2301
2302 return 1;
2303 }
2304
2305 /*
2306 * rt2860_vap_key_delete
2307 */
2308 static int rt2860_vap_key_delete(struct ieee80211vap *vap,
2309 const struct ieee80211_key *k)
2310 {
2311 struct rt2860_softc *sc;
2312 struct ieee80211com *ic;
2313 struct ifnet *ifp;
2314 struct ieee80211_node *ni;
2315 uint16_t associd;
2316 uint8_t vapid, wcid;
2317 uint32_t tmp;
2318
2319 ic = vap->iv_ic;
2320 ifp = ic->ic_ifp;
2321 sc = ifp->if_softc;
2322 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr);
2323 associd = (ni != NULL) ? ni->ni_associd : 0;
2324
2325 if (ni != NULL)
2326 ieee80211_free_node(ni);
2327
2328 RT2860_DPRINTF(sc, RT2860_DEBUG_KEY,
2329 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, associd=0x%04x, group=%d\n",
2330 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2331 associd, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2332
2333 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2334 {
2335 /* remove pairwise key */
2336
2337 vapid = 0;
2338 wcid = RT2860_AID2WCID(associd);
2339
2340 tmp = ((vapid & RT2860_REG_VAP_MASK) << RT2860_REG_VAP_SHIFT) |
2341 (RT2860_REG_CIPHER_MODE_NONE << RT2860_REG_CIPHER_MODE_SHIFT) | RT2860_REG_PKEY_ENABLE;
2342
2343 rt2860_io_mac_write(sc, RT2860_REG_WCID_ATTR(wcid), tmp);
2344 }
2345 else
2346 {
2347 /* remove group key */
2348
2349 vapid = 0;
2350
2351 tmp = rt2860_io_mac_read(sc, RT2860_REG_SKEY_MODE(vapid));
2352
2353 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2354 tmp |= (RT2860_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2355
2356 rt2860_io_mac_write(sc, RT2860_REG_SKEY_MODE(vapid), tmp);
2357 }
2358
2359 return 1;
2360 }
2361
2362 /*
2363 * rt2860_vap_update_beacon
2364 */
2365 static void rt2860_vap_update_beacon(struct ieee80211vap *vap, int what)
2366 {
2367 struct rt2860_softc *sc;
2368 struct ieee80211com *ic;
2369 struct ifnet *ifp;
2370 struct rt2860_softc_vap *rvap;
2371 struct mbuf *m;
2372 struct ieee80211_beacon_offsets *bo;
2373
2374 ic = vap->iv_ic;
2375 ifp = ic->ic_ifp;
2376 sc = ifp->if_softc;
2377 rvap = (struct rt2860_softc_vap *) vap;
2378 m = rvap->beacon_mbuf;
2379 bo = &rvap->beacon_offsets;
2380
2381 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2382 "%s: VAP update beacon: what=%d\n",
2383 device_get_nameunit(sc->dev), what);
2384
2385 setbit(bo->bo_flags, what);
2386
2387 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2388
2389 rt2860_asic_update_beacon(sc, vap);
2390 }
2391
2392 /*
2393 * rt2860_media_change
2394 */
2395 static int rt2860_media_change(struct ifnet *ifp)
2396 {
2397 int error;
2398
2399 error = ieee80211_media_change(ifp);
2400
2401 return (error == ENETRESET ? 0 : error);
2402 }
2403
2404 /*
2405 * rt2860_node_alloc
2406 */
2407 static struct ieee80211_node *rt2860_node_alloc(struct ieee80211vap *vap,
2408 const uint8_t mac[IEEE80211_ADDR_LEN])
2409 {
2410 return malloc(sizeof(struct rt2860_softc_node),
2411 M_80211_NODE, M_NOWAIT | M_ZERO);
2412 }
2413
2414 /*
2415 * rt2860_node_getmimoinfo
2416 */
2417 static void rt2860_node_getmimoinfo(const struct ieee80211_node *ni,
2418 struct ieee80211_mimo_info *mi)
2419 {
2420 const struct rt2860_softc_node *rni;
2421 int i;
2422
2423 rni = (const struct rt2860_softc_node *) ni;
2424
2425 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
2426 {
2427 mi->rssi[i] = rni->last_rssi_dbm[i];
2428 mi->noise[i] = RT2860_NOISE_FLOOR;
2429 }
2430 }
2431
2432 /*
2433 * rt2860_setregdomain
2434 */
2435 static int rt2860_setregdomain(struct ieee80211com *ic,
2436 struct ieee80211_regdomain *reg,
2437 int nchans, struct ieee80211_channel chans[])
2438 {
2439 struct rt2860_softc *sc;
2440 struct ifnet *ifp;
2441
2442 ifp = ic->ic_ifp;
2443 sc = ifp->if_softc;
2444
2445 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2446 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2447 device_get_nameunit(sc->dev),
2448 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2449
2450 return 0;
2451 }
2452
2453 /*
2454 * rt2860_getradiocaps
2455 */
2456 static void rt2860_getradiocaps(struct ieee80211com *ic,
2457 int maxchans, int *nchans, struct ieee80211_channel chans[])
2458 {
2459 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2460
2461 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2462 }
2463
2464 /*
2465 * rt2860_scan_start
2466 */
2467 static void rt2860_scan_start(struct ieee80211com *ic)
2468 {
2469 struct rt2860_softc *sc;
2470 struct ifnet *ifp;
2471
2472 ifp = ic->ic_ifp;
2473 sc = ifp->if_softc;
2474
2475 rt2860_asic_disable_tsf_sync(sc);
2476 }
2477
2478 /*
2479 * rt2860_scan_end
2480 */
2481 static void rt2860_scan_end(struct ieee80211com *ic)
2482 {
2483 struct rt2860_softc *sc;
2484 struct ifnet *ifp;
2485
2486 ifp = ic->ic_ifp;
2487 sc = ifp->if_softc;
2488
2489 rt2860_asic_enable_tsf_sync(sc);
2490 }
2491
2492 /*
2493 * rt2860_set_channel
2494 */
2495 static void rt2860_set_channel(struct ieee80211com *ic)
2496 {
2497 struct rt2860_softc *sc;
2498 struct ifnet *ifp;
2499
2500 ifp = ic->ic_ifp;
2501 sc = ifp->if_softc;
2502
2503 RT2860_DPRINTF(sc, RT2860_DEBUG_CHAN,
2504 "%s: set channel: channel=%u, HT%s%s\n",
2505 device_get_nameunit(sc->dev),
2506 ieee80211_chan2ieee(ic, ic->ic_curchan),
2507 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2508 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2509 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2510 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2511
2512 RT2860_SOFTC_LOCK(sc);
2513
2514 rt2860_rf_set_chan(sc, ic->ic_curchan);
2515
2516 RT2860_SOFTC_UNLOCK(sc);
2517 }
2518
2519 /*
2520 * rt2860_newassoc
2521 */
2522 static void rt2860_newassoc(struct ieee80211_node *ni, int isnew)
2523 {
2524 struct rt2860_softc *sc;
2525 struct ieee80211com *ic;
2526 struct ifnet *ifp;
2527 struct ieee80211vap *vap;
2528 struct rt2860_softc_vap *rvap;
2529 uint16_t associd;
2530 uint8_t wcid;
2531
2532 vap = ni->ni_vap;
2533 ic = vap->iv_ic;
2534 ifp = ic->ic_ifp;
2535 sc = ifp->if_softc;
2536 rvap = (struct rt2860_softc_vap *) vap;
2537
2538 associd = (ni != NULL) ? ni->ni_associd : 0;
2539 wcid = RT2860_AID2WCID(associd);
2540
2541 RT2860_DPRINTF(sc, RT2860_DEBUG_NODE,
2542 "%s: new association: wcid=0x%02x, "
2543 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2544 device_get_nameunit(sc->dev), wcid,
2545 ether_sprintf(ni->ni_macaddr),
2546 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2547 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2548 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2549
2550 rt2860_io_mac_write_multi(sc, RT2860_REG_WCID(wcid),
2551 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2552
2553 rt2860_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2554
2555 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2556 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2557 device_get_nameunit(sc->dev),
2558 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2559 ni->ni_associd, ni->ni_txrate,
2560 (ni->ni_flags & IEEE80211_NODE_HT) ?
2561 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2562 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2563
2564 rt2860_asic_updateprot(sc);
2565 rt2860_asic_updateslot(sc);
2566 rt2860_asic_set_txpreamble(sc);
2567 }
2568
2569 /*
2570 * rt2860_updateslot
2571 */
2572 static void rt2860_updateslot(struct ifnet *ifp)
2573 {
2574 struct rt2860_softc *sc;
2575
2576 sc = ifp->if_softc;
2577
2578 rt2860_asic_updateslot(sc);
2579 }
2580
2581 /*
2582 * rt2860_update_promisc
2583 */
2584 static void rt2860_update_promisc(struct ifnet *ifp)
2585 {
2586 struct rt2860_softc *sc;
2587
2588 sc = ifp->if_softc;
2589
2590 rt2860_asic_update_promisc(sc);
2591 }
2592
2593 /*
2594 * rt2860_update_mcast
2595 */
2596 static void rt2860_update_mcast(struct ifnet *ifp)
2597 {
2598 struct rt2860_softc *sc;
2599
2600 sc = ifp->if_softc;
2601 }
2602
2603 /*
2604 * rt2860_wme_update
2605 */
2606 static int rt2860_wme_update(struct ieee80211com *ic)
2607 {
2608 struct rt2860_softc *sc;
2609 struct ifnet *ifp;
2610
2611 ifp = ic->ic_ifp;
2612 sc = ifp->if_softc;
2613
2614 rt2860_asic_wme_update(sc);
2615
2616 return 0;
2617 }
2618
2619 /*
2620 * rt2860_raw_xmit
2621 */
2622 static int rt2860_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2623 const struct ieee80211_bpf_params *params)
2624 {
2625 struct rt2860_softc *sc;
2626 struct ieee80211com *ic;
2627 struct ifnet *ifp;
2628
2629 ic = ni->ni_ic;
2630 ifp = ic->ic_ifp;
2631 sc = ifp->if_softc;
2632
2633 RT2860_SOFTC_LOCK(sc);
2634
2635 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2636 {
2637 RT2860_SOFTC_UNLOCK(sc);
2638
2639 m_freem(m);
2640 ieee80211_free_node(ni);
2641
2642 return ENETDOWN;
2643 }
2644
2645 if (sc->tx_ring[sc->tx_ring_mgtqid].data_queued >= RT2860_SOFTC_TX_RING_DATA_COUNT)
2646 {
2647 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
2648 "%s: raw xmit: Tx ring with qid=%d is full\n",
2649 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2650
2651 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2652
2653 RT2860_SOFTC_UNLOCK(sc);
2654
2655 m_freem(m);
2656 ieee80211_free_node(ni);
2657
2658 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2659
2660 return ENOBUFS;
2661 }
2662
2663 if (rt2860_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2664 {
2665 ifp->if_oerrors++;
2666
2667 RT2860_SOFTC_UNLOCK(sc);
2668
2669 ieee80211_free_node(ni);
2670
2671 return EIO;
2672 }
2673
2674 sc->tx_timer = RT2860_TX_WATCHDOG_TIMEOUT;
2675
2676 RT2860_SOFTC_UNLOCK(sc);
2677
2678 return 0;
2679 }
2680
2681 /*
2682 * rt2860_recv_action
2683 */
2684 static int rt2860_recv_action(struct ieee80211_node *ni,
2685 const struct ieee80211_frame *wh,
2686 const uint8_t *frm, const uint8_t *efrm)
2687 {
2688 struct rt2860_softc *sc;
2689 struct ieee80211com *ic;
2690 struct ifnet *ifp;
2691 const struct ieee80211_action *ia;
2692 struct ieee80211_tx_ampdu *tx_ampdu;
2693 uint16_t associd, status, baparamset;
2694 uint8_t wcid;
2695 int ret, tid, bufsize, ac;
2696 uint32_t tmp;
2697
2698 ic = ni->ni_ic;
2699 ifp = ic->ic_ifp;
2700 sc = ifp->if_softc;
2701
2702 ia = (const struct ieee80211_action *) frm;
2703
2704 ret = sc->recv_action(ni, wh, frm, efrm);
2705
2706 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2707 return ret;
2708
2709 associd = (ni != NULL) ? ni->ni_associd : 0;
2710 wcid = RT2860_AID2WCID(associd);
2711
2712 switch (ia->ia_action)
2713 {
2714 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2715 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2716 baparamset = LE_READ_2(frm + 3);
2717 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2718 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2719
2720 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2721 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2722 device_get_nameunit(sc->dev), associd, tid, bufsize);
2723
2724 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2725
2726 tmp |= (0x10000 << tid);
2727
2728 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2729 break;
2730
2731 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2732 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2733 status = LE_READ_2(frm + 3);
2734 baparamset = LE_READ_2(frm + 4);
2735 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2736 bufsize = RT2860_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2737 ac = TID_TO_WME_AC(tid);
2738 tx_ampdu = &ni->ni_tx_ampdu[ac];
2739
2740 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2741 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2742 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2743
2744 if (sc->mac_rev >= 0x28720200)
2745 {
2746 if (tx_ampdu->txa_wnd > 13)
2747 tx_ampdu->txa_wnd = 13;
2748 }
2749 else
2750 {
2751 if (tx_ampdu->txa_wnd > 7)
2752 tx_ampdu->txa_wnd = 7;
2753 }
2754
2755 if (status == IEEE80211_STATUS_SUCCESS)
2756 {
2757 sc->tx_ampdu_sessions++;
2758
2759 rt2860_asic_updateprot(sc);
2760 }
2761 break;
2762
2763 /* IEEE80211_ACTION_BA_DELBA */
2764 case IEEE80211_ACTION_BA_DELBA:
2765 baparamset = LE_READ_2(frm + 2);
2766 tid = RT2860_MS(baparamset, IEEE80211_BAPS_TID);
2767
2768 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2769 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2770 device_get_nameunit(sc->dev), associd, tid);
2771
2772 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2773
2774 tmp &= ~(0x10000 << tid);
2775
2776 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2777 break;
2778 }
2779
2780 return ret;
2781 }
2782
2783 /*
2784 * rt2860_send_action
2785 */
2786 static int rt2860_send_action(struct ieee80211_node *ni,
2787 int cat, int act, void *sa)
2788 {
2789 struct rt2860_softc *sc;
2790 struct ieee80211com *ic;
2791 struct ifnet *ifp;
2792 uint16_t associd, *args, baparamset;
2793 uint8_t wcid;
2794 int ret, tid;
2795 uint32_t tmp;
2796
2797 ic = ni->ni_ic;
2798 ifp = ic->ic_ifp;
2799 sc = ifp->if_softc;
2800
2801 ret = sc->send_action(ni, cat, act, sa);
2802
2803 if (cat != IEEE80211_ACTION_CAT_BA)
2804 return ret;
2805
2806 associd = (ni != NULL) ? ni->ni_associd : 0;
2807 wcid = RT2860_AID2WCID(associd);
2808 args = sa;
2809
2810 switch (act)
2811 {
2812 /* IEEE80211_ACTION_BA_DELBA */
2813 case IEEE80211_ACTION_BA_DELBA:
2814 baparamset = RT2860_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2815
2816 tid = RT2860_MS(baparamset, IEEE80211_DELBAPS_TID);
2817
2818 RT2860_DPRINTF(sc, RT2860_DEBUG_BA,
2819 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2820 device_get_nameunit(sc->dev), associd, tid);
2821
2822 if (RT2860_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2823 {
2824 tmp = rt2860_io_mac_read(sc, RT2860_REG_WCID(wcid) + 4);
2825
2826 tmp &= ~(0x10000 << tid);
2827
2828 rt2860_io_mac_write(sc, RT2860_REG_WCID(wcid) + 4, tmp);
2829 }
2830 else
2831 {
2832 sc->tx_ampdu_sessions--;
2833
2834 rt2860_asic_updateprot(sc);
2835 }
2836 break;
2837 }
2838
2839 return ret;
2840 }
2841
2842 /*
2843 * rt2860_amrr_update_iter_func
2844 */
2845 static void rt2860_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2846 {
2847 struct rt2860_softc *sc;
2848 struct ieee80211com *ic;
2849 struct ifnet *ifp;
2850 struct ieee80211vap *vap;
2851 struct rt2860_softc_vap *rvap;
2852 uint8_t wcid;
2853
2854 vap = arg;
2855 ic = vap->iv_ic;
2856 ifp = ic->ic_ifp;
2857 sc = ifp->if_softc;
2858 rvap = (struct rt2860_softc_vap *) vap;
2859
2860 /* only associated stations */
2861
2862 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2863 {
2864 wcid = RT2860_AID2WCID(ni->ni_associd);
2865
2866 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2867 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2868 device_get_nameunit(sc->dev),
2869 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2870
2871 rt2860_amrr_choose(ni, &sc->amrr_node[wcid]);
2872
2873 RT2860_DPRINTF(sc, RT2860_DEBUG_RATE,
2874 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2875 device_get_nameunit(sc->dev),
2876 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2877 ni->ni_associd, ni->ni_txrate,
2878 (ni->ni_flags & IEEE80211_NODE_HT) ?
2879 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2880 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2881 }
2882 }
2883
2884 /*
2885 * rt2860_periodic
2886 */
2887 static void rt2860_periodic(void *arg)
2888 {
2889 struct rt2860_softc *sc;
2890
2891 sc = arg;
2892
2893 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
2894 "%s: periodic\n",
2895 device_get_nameunit(sc->dev));
2896
2897 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2898 }
2899
2900 /*
2901 * rt2860_tx_watchdog
2902 */
2903 static void rt2860_tx_watchdog(void *arg)
2904 {
2905 struct rt2860_softc *sc;
2906 struct ifnet *ifp;
2907
2908 sc = arg;
2909 ifp = sc->ifp;
2910
2911 if (sc->tx_timer == 0)
2912 return;
2913
2914 if (--sc->tx_timer == 0)
2915 {
2916 printf("%s: Tx watchdog timeout: resetting\n",
2917 device_get_nameunit(sc->dev));
2918
2919 rt2860_stop_locked(sc);
2920 rt2860_init_locked(sc);
2921
2922 ifp->if_oerrors++;
2923
2924 sc->tx_watchdog_timeouts++;
2925 }
2926
2927 callout_reset(&sc->tx_watchdog_ch, hz, rt2860_tx_watchdog, sc);
2928 }
2929
2930 /*
2931 * rt2860_asic_set_bssid
2932 */
2933 static void rt2860_asic_set_bssid(struct rt2860_softc *sc,
2934 const uint8_t *bssid)
2935 {
2936 uint32_t tmp;
2937
2938 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
2939 "%s: set bssid: bssid=%s\n",
2940 device_get_nameunit(sc->dev),
2941 ether_sprintf(bssid));
2942
2943 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2944
2945 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW0, tmp);
2946
2947 tmp = bssid[4] | (bssid[5] << 8);
2948
2949 rt2860_io_mac_write(sc, RT2860_REG_BSSID_DW1, tmp);
2950 }
2951
2952 /*
2953 * rt2860_asic_set_macaddr
2954 */
2955 static void rt2860_asic_set_macaddr(struct rt2860_softc *sc,
2956 const uint8_t *addr)
2957 {
2958 uint32_t tmp;
2959
2960 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2961
2962 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW0, tmp);
2963
2964 tmp = addr[4] | (addr[5] << 8);
2965
2966 rt2860_io_mac_write(sc, RT2860_REG_ADDR_DW1, tmp);
2967 }
2968
2969 /*
2970 * rt2860_asic_enable_tsf_sync
2971 */
2972 static void rt2860_asic_enable_tsf_sync(struct rt2860_softc *sc)
2973 {
2974 struct ifnet *ifp;
2975 struct ieee80211com *ic;
2976 struct ieee80211vap *vap;
2977 uint32_t tmp;
2978
2979 ifp = sc->ifp;
2980 ic = ifp->if_l2com;
2981 vap = TAILQ_FIRST(&ic->ic_vaps);
2982
2983 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
2984 "%s: enabling TSF\n",
2985 device_get_nameunit(sc->dev));
2986
2987 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
2988
2989 tmp &= ~0x1fffff;
2990 tmp |= vap->iv_bss->ni_intval * 16;
2991 tmp |= (RT2860_REG_TSF_TIMER_ENABLE | RT2860_REG_TBTT_TIMER_ENABLE);
2992
2993 if (vap->iv_opmode == IEEE80211_M_STA)
2994 {
2995 tmp |= (RT2860_REG_TSF_SYNC_MODE_STA << RT2860_REG_TSF_SYNC_MODE_SHIFT);
2996 }
2997 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2998 {
2999 tmp |= RT2860_REG_BCN_TX_ENABLE;
3000 tmp |= (RT2860_REG_TSF_SYNC_MODE_IBSS << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3001 }
3002 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3003 {
3004 tmp |= RT2860_REG_BCN_TX_ENABLE;
3005 tmp |= (RT2860_REG_TSF_SYNC_MODE_HOSTAP << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3006 }
3007
3008 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3009 }
3010
3011 /*
3012 * rt2860_asic_disable_tsf_sync
3013 */
3014 static void rt2860_asic_disable_tsf_sync(struct rt2860_softc *sc)
3015 {
3016 uint32_t tmp;
3017
3018 RT2860_DPRINTF(sc, RT2860_DEBUG_BEACON,
3019 "%s: disabling TSF\n",
3020 device_get_nameunit(sc->dev));
3021
3022 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3023
3024 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3025 RT2860_REG_TSF_TIMER_ENABLE |
3026 RT2860_REG_TBTT_TIMER_ENABLE);
3027
3028 tmp &= ~(RT2860_REG_TSF_SYNC_MODE_MASK << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3029 tmp |= (RT2860_REG_TSF_SYNC_MODE_DISABLE << RT2860_REG_TSF_SYNC_MODE_SHIFT);
3030
3031 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3032 }
3033
3034 /*
3035 * rt2860_asic_enable_mrr
3036 */
3037 static void rt2860_asic_enable_mrr(struct rt2860_softc *sc)
3038 {
3039 #define CCK(mcs) (mcs)
3040 #define OFDM(mcs) ((1 << 3) | (mcs))
3041 #define HT(mcs) (mcs)
3042
3043 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG0,
3044 (OFDM(6) << 28) | /* 54 -> 48 */
3045 (OFDM(5) << 24) | /* 48 -> 36 */
3046 (OFDM(4) << 20) | /* 36 -> 24 */
3047 (OFDM(3) << 16) | /* 24 -> 18 */
3048 (OFDM(2) << 12) | /* 18 -> 12 */
3049 (OFDM(1) << 8) | /* 12 -> 9 */
3050 (OFDM(0) << 4) | /* 9 -> 6 */
3051 OFDM(0)); /* 6 -> 6 */
3052
3053 rt2860_io_mac_write(sc, RT2860_REG_TX_LG_FBK_CFG1,
3054 (CCK(2) << 12) | /* 11 -> 5.5 */
3055 (CCK(1) << 8) | /* 5.5 -> 2 */
3056 (CCK(0) << 4) | /* 2 -> 1 */
3057 CCK(0)); /* 1 -> 1 */
3058
3059 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG0,
3060 (HT(6) << 28) |
3061 (HT(5) << 24) |
3062 (HT(4) << 20) |
3063 (HT(3) << 16) |
3064 (HT(2) << 12) |
3065 (HT(1) << 8) |
3066 (HT(0) << 4) |
3067 HT(0));
3068
3069 rt2860_io_mac_write(sc, RT2860_REG_TX_HT_FBK_CFG1,
3070 (HT(14) << 28) |
3071 (HT(13) << 24) |
3072 (HT(12) << 20) |
3073 (HT(11) << 16) |
3074 (HT(10) << 12) |
3075 (HT(9) << 8) |
3076 (HT(8) << 4) |
3077 HT(7));
3078
3079 #undef HT
3080 #undef OFDM
3081 #undef CCK
3082 }
3083
3084 /*
3085 * rt2860_asic_set_txpreamble
3086 */
3087 static void rt2860_asic_set_txpreamble(struct rt2860_softc *sc)
3088 {
3089 struct ifnet *ifp;
3090 struct ieee80211com *ic;
3091 uint32_t tmp;
3092
3093 ifp = sc->ifp;
3094 ic = ifp->if_l2com;
3095
3096 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3097 "%s: %s short Tx preamble\n",
3098 device_get_nameunit(sc->dev),
3099 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3100
3101 tmp = rt2860_io_mac_read(sc, RT2860_REG_AUTO_RSP_CFG);
3102
3103 tmp &= ~RT2860_REG_CCK_SHORT_ENABLE;
3104
3105 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3106 tmp |= RT2860_REG_CCK_SHORT_ENABLE;
3107
3108 rt2860_io_mac_write(sc, RT2860_REG_AUTO_RSP_CFG, tmp);
3109 }
3110
3111 /*
3112 * rt2860_asic_set_basicrates
3113 */
3114 static void rt2860_asic_set_basicrates(struct rt2860_softc *sc)
3115 {
3116 struct ifnet *ifp;
3117 struct ieee80211com *ic;
3118
3119 ifp = sc->ifp;
3120 ic = ifp->if_l2com;
3121
3122 if (ic->ic_curmode == IEEE80211_MODE_11B)
3123 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x3);
3124 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3125 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x150);
3126 else
3127 rt2860_io_mac_write(sc, RT2860_REG_LEGACY_BASIC_RATE, 0x15f);
3128 }
3129
3130 /*
3131 * rt2860_asic_update_rtsthreshold
3132 */
3133 static void rt2860_asic_update_rtsthreshold(struct rt2860_softc *sc)
3134 {
3135 struct ifnet *ifp;
3136 struct ieee80211com *ic;
3137 struct ieee80211vap *vap;
3138 uint32_t tmp;
3139 uint16_t threshold;
3140
3141 ifp = sc->ifp;
3142 ic = ifp->if_l2com;
3143 vap = TAILQ_FIRST(&ic->ic_vaps);
3144
3145 if (vap == NULL)
3146 threshold = IEEE80211_RTS_MAX;
3147 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3148 threshold = 0x1000;
3149 else
3150 threshold = vap->iv_rtsthreshold;
3151
3152 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3153 "%s: updating RTS threshold: %d\n",
3154 device_get_nameunit(sc->dev), threshold);
3155
3156 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_RTS_CFG);
3157
3158 tmp &= ~(RT2860_REG_TX_RTS_THRESHOLD_MASK << RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3159
3160 tmp |= ((threshold & RT2860_REG_TX_RTS_THRESHOLD_MASK) <<
3161 RT2860_REG_TX_RTS_THRESHOLD_SHIFT);
3162
3163 rt2860_io_mac_write(sc, RT2860_REG_TX_RTS_CFG, tmp);
3164 }
3165
3166 /*
3167 * rt2860_asic_update_txpower
3168 */
3169 static void rt2860_asic_update_txpower(struct rt2860_softc *sc)
3170 {
3171 struct ifnet *ifp;
3172 struct ieee80211com *ic;
3173 uint32_t *txpow_rate;
3174 int8_t delta;
3175 uint8_t val;
3176 uint32_t tmp;
3177 int i;
3178
3179 ifp = sc->ifp;
3180 ic = ifp->if_l2com;
3181
3182 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3183 "%s: updating Tx power: %d\n",
3184 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3185
3186 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3187 {
3188 txpow_rate = sc->txpow_rate_20mhz;
3189 }
3190 else
3191 {
3192 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3193 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3194 else
3195 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3196 }
3197
3198 delta = 0;
3199
3200 val = rt2860_io_bbp_read(sc, 1);
3201 val &= 0xfc;
3202
3203 if (ic->ic_txpowlimit > 90)
3204 {
3205 /* do nothing */
3206 }
3207 else if (ic->ic_txpowlimit > 60)
3208 {
3209 delta -= 1;
3210 }
3211 else if (ic->ic_txpowlimit > 30)
3212 {
3213 delta -= 3;
3214 }
3215 else if (ic->ic_txpowlimit > 15)
3216 {
3217 val |= 0x1;
3218 }
3219 else if (ic->ic_txpowlimit > 9)
3220 {
3221 val |= 0x1;
3222 delta -= 3;
3223 }
3224 else
3225 {
3226 val |= 0x2;
3227 }
3228
3229 rt2860_io_bbp_write(sc, 1, val);
3230
3231 for (i = 0; i < RT2860_SOFTC_TXPOW_RATE_COUNT; i++)
3232 {
3233 if (txpow_rate[i] == 0xffffffff)
3234 continue;
3235
3236 tmp = rt2860_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3237
3238 rt2860_io_mac_write(sc, RT2860_REG_TX_PWR_CFG(i), tmp);
3239 }
3240 }
3241
3242 /*
3243 * rt2860_asic_update_promisc
3244 */
3245 static void rt2860_asic_update_promisc(struct rt2860_softc *sc)
3246 {
3247 struct ifnet *ifp;
3248 uint32_t tmp;
3249
3250 ifp = sc->ifp;
3251
3252 printf("%s: %s promiscuous mode\n",
3253 device_get_nameunit(sc->dev),
3254 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3255
3256 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_FILTER_CFG);
3257
3258 tmp &= ~RT2860_REG_RX_FILTER_DROP_UC_NOME;
3259
3260 if (!(ifp->if_flags & IFF_PROMISC))
3261 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
3262
3263 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
3264 }
3265
3266 /*
3267 * rt2860_asic_updateprot
3268 */
3269 static void rt2860_asic_updateprot(struct rt2860_softc *sc)
3270 {
3271 struct ifnet *ifp;
3272 struct ieee80211com *ic;
3273 struct ieee80211vap *vap;
3274 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3275 uint8_t htopmode;
3276 enum ieee80211_protmode htprotmode;
3277
3278 ifp = sc->ifp;
3279 ic = ifp->if_l2com;
3280 vap = TAILQ_FIRST(&ic->ic_vaps);
3281
3282 /* CCK frame protection */
3283
3284 cck_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3285 RT2860_REG_TXOP_ALLOW_ALL | RT2860_REG_PROT_CTRL_NONE;
3286
3287 /* set up protection frame phy mode and rate (MCS code) */
3288
3289 if (ic->ic_curmode == IEEE80211_MODE_11A)
3290 cck_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3291 (0 << RT2860_REG_PROT_MCS_SHIFT);
3292 else
3293 cck_prot |= ((RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3294 (3 << RT2860_REG_PROT_MCS_SHIFT));
3295
3296 rt2860_io_mac_write(sc, RT2860_REG_TX_CCK_PROT_CFG, cck_prot);
3297
3298 /* OFDM frame protection */
3299
3300 ofdm_prot = RT2860_REG_RTSTH_ENABLE | RT2860_REG_PROT_NAV_SHORT |
3301 RT2860_REG_TXOP_ALLOW_ALL;
3302
3303 if (ic->ic_flags & IEEE80211_F_USEPROT)
3304 {
3305 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3306 "%s: updating protection mode: b/g protection mode=%s\n",
3307 device_get_nameunit(sc->dev),
3308 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3309 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3310
3311 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3312 ofdm_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3313 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3314 ofdm_prot |= RT2860_REG_PROT_CTRL_CTS;
3315 else
3316 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3317 }
3318 else
3319 {
3320 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3321 "%s: updating protection mode: b/g protection mode=%s\n",
3322 device_get_nameunit(sc->dev), "none");
3323
3324 ofdm_prot |= RT2860_REG_PROT_CTRL_NONE;
3325 }
3326
3327 rt2860_io_mac_write(sc, RT2860_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3328
3329 /* HT frame protection */
3330
3331 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3332 htopmode = vap->iv_bss->ni_htopmode;
3333 else
3334 htopmode = ic->ic_curhtprotmode;
3335
3336 htprotmode = ic->ic_htprotmode;
3337
3338 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3339
3340 if (sc->tx_ampdu_sessions > 0)
3341 {
3342 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3343 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3344 device_get_nameunit(sc->dev));
3345
3346 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3347 htprotmode = IEEE80211_PROT_RTSCTS;
3348 }
3349
3350 RT2860_DPRINTF(sc, RT2860_DEBUG_PROT,
3351 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3352 device_get_nameunit(sc->dev),
3353 htopmode & IEEE80211_HTINFO_OPMODE,
3354 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3355 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3356
3357 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3358 {
3359 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3360 case IEEE80211_HTINFO_OPMODE_HT20PR:
3361 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3362 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3363 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3364 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3365 (4 << RT2860_REG_PROT_MCS_SHIFT);
3366
3367 gf20_prot = mm20_prot;
3368
3369 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL |
3370 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3371 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3372
3373 if (htprotmode == IEEE80211_PROT_RTSCTS)
3374 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3375 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3376 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3377 else
3378 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3379
3380 gf40_prot = mm40_prot;
3381 break;
3382
3383 /* IEEE80211_HTINFO_OPMODE_MIXED */
3384 case IEEE80211_HTINFO_OPMODE_MIXED:
3385 mm20_prot = RT2860_REG_PROT_NAV_SHORT |
3386 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3387 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20;
3388
3389 if (ic->ic_flags & IEEE80211_F_USEPROT)
3390 mm20_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3391 (3 << RT2860_REG_PROT_MCS_SHIFT);
3392 else
3393 mm20_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3394 (4 << RT2860_REG_PROT_MCS_SHIFT);
3395
3396 if (htprotmode == IEEE80211_PROT_RTSCTS)
3397 mm20_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3398 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3399 mm20_prot |= RT2860_REG_PROT_CTRL_CTS;
3400 else
3401 mm20_prot |= RT2860_REG_PROT_CTRL_NONE;
3402
3403 gf20_prot = mm20_prot;
3404
3405 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_TXOP_ALLOW_ALL;
3406
3407 if (ic->ic_flags & IEEE80211_F_USEPROT)
3408 mm40_prot |= (RT2860_REG_PROT_PHYMODE_CCK << RT2860_REG_PROT_PHYMODE_SHIFT) |
3409 (3 << RT2860_REG_PROT_MCS_SHIFT);
3410 else
3411 mm40_prot |= (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3412 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3413
3414 if (htprotmode == IEEE80211_PROT_RTSCTS)
3415 mm40_prot |= RT2860_REG_PROT_CTRL_RTS_CTS;
3416 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3417 mm40_prot |= RT2860_REG_PROT_CTRL_CTS;
3418 else
3419 mm40_prot |= RT2860_REG_PROT_CTRL_NONE;
3420
3421 gf40_prot = mm40_prot;
3422 break;
3423
3424 /*
3425 * IEEE80211_HTINFO_OPMODE_PURE
3426 * IEEE80211_HTINFO_OPMODE_PROTOPT
3427 */
3428 case IEEE80211_HTINFO_OPMODE_PURE:
3429 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3430 default:
3431 mm20_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3432 RT2860_REG_TXOP_ALLOW_CCK | RT2860_REG_TXOP_ALLOW_OFDM |
3433 RT2860_REG_TXOP_ALLOW_MM20 | RT2860_REG_TXOP_ALLOW_GF20 |
3434 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3435 (4 << RT2860_REG_PROT_MCS_SHIFT);
3436
3437 gf20_prot = mm20_prot;
3438
3439 mm40_prot = RT2860_REG_PROT_NAV_SHORT | RT2860_REG_PROT_CTRL_NONE |
3440 RT2860_REG_TXOP_ALLOW_ALL |
3441 (RT2860_REG_PROT_PHYMODE_OFDM << RT2860_REG_PROT_PHYMODE_SHIFT) |
3442 (0x84 << RT2860_REG_PROT_MCS_SHIFT);
3443
3444 gf40_prot = mm40_prot;
3445 break;
3446 }
3447
3448 rt2860_io_mac_write(sc, RT2860_REG_TX_MM20_PROT_CFG, mm20_prot);
3449 rt2860_io_mac_write(sc, RT2860_REG_TX_MM40_PROT_CFG, mm40_prot);
3450 rt2860_io_mac_write(sc, RT2860_REG_TX_GF20_PROT_CFG, gf20_prot);
3451 rt2860_io_mac_write(sc, RT2860_REG_TX_GF40_PROT_CFG, gf40_prot);
3452 }
3453
3454 /*
3455 * rt2860_asic_updateslot
3456 */
3457 static void rt2860_asic_updateslot(struct rt2860_softc *sc)
3458 {
3459 struct ifnet *ifp;
3460 struct ieee80211com *ic;
3461 struct ieee80211vap *vap;
3462 uint32_t tmp;
3463
3464 ifp = sc->ifp;
3465 ic = ifp->if_l2com;
3466 vap = TAILQ_FIRST(&ic->ic_vaps);
3467
3468 RT2860_DPRINTF(sc, RT2860_DEBUG_STATE,
3469 "%s: %s short slot time\n",
3470 device_get_nameunit(sc->dev),
3471 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3472 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3473
3474 tmp = rt2860_io_mac_read(sc, RT2860_REG_BKOFF_SLOT_CFG);
3475
3476 tmp &= ~0xff;
3477
3478 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3479 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3480 tmp |= IEEE80211_DUR_SHSLOT;
3481 else
3482 tmp |= IEEE80211_DUR_SLOT;
3483
3484 rt2860_io_mac_write(sc, RT2860_REG_BKOFF_SLOT_CFG, tmp);
3485 }
3486
3487 /*
3488 * rt2860_asic_wme_update
3489 */
3490 static void rt2860_asic_wme_update(struct rt2860_softc *sc)
3491 {
3492 struct ifnet *ifp;
3493 struct ieee80211com *ic;
3494 struct ieee80211_wme_state *wme;
3495 const struct wmeParams *wmep;
3496 int i;
3497
3498 ifp = sc->ifp;
3499 ic = ifp->if_l2com;
3500 wme = &ic->ic_wme;
3501 wmep = wme->wme_chanParams.cap_wmeParams;
3502
3503 RT2860_DPRINTF(sc, RT2860_DEBUG_WME,
3504 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3505 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3506 device_get_nameunit(sc->dev),
3507 wmep[WME_AC_VO].wmep_aifsn,
3508 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3509 wmep[WME_AC_VO].wmep_txopLimit,
3510 wmep[WME_AC_VI].wmep_aifsn,
3511 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3512 wmep[WME_AC_VI].wmep_txopLimit,
3513 wmep[WME_AC_BK].wmep_aifsn,
3514 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3515 wmep[WME_AC_BK].wmep_txopLimit,
3516 wmep[WME_AC_BE].wmep_aifsn,
3517 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3518 wmep[WME_AC_BE].wmep_txopLimit);
3519
3520 for (i = 0; i < WME_NUM_AC; i++)
3521 rt2860_io_mac_write(sc, RT2860_REG_TX_EDCA_AC_CFG(i),
3522 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3523 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3524
3525 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_AIFSN_CFG,
3526 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3527 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3528
3529 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMIN_CFG,
3530 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3531 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3532
3533 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_CWMAX_CFG,
3534 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3535 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3536
3537 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP0_CFG,
3538 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3539
3540 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WMM_TXOP1_CFG,
3541 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3542 }
3543
3544 /*
3545 * rt2860_asic_update_beacon
3546 */
3547 static void rt2860_asic_update_beacon(struct rt2860_softc *sc,
3548 struct ieee80211vap *vap)
3549 {
3550 struct rt2860_softc_vap *rvap;
3551 struct mbuf *m;
3552 struct rt2860_txwi *txwi;
3553 uint32_t tmp;
3554
3555 rvap = (struct rt2860_softc_vap *) vap;
3556
3557 m = rvap->beacon_mbuf;
3558 txwi = &rvap->beacon_txwi;
3559
3560 /* disable temporarily TSF sync */
3561
3562 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3563
3564 tmp &= ~(RT2860_REG_BCN_TX_ENABLE |
3565 RT2860_REG_TSF_TIMER_ENABLE |
3566 RT2860_REG_TBTT_TIMER_ENABLE);
3567
3568 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3569
3570 /* write Tx wireless info and beacon frame to on-chip memory */
3571
3572 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0),
3573 txwi, sizeof(struct rt2860_txwi));
3574
3575 rt2860_io_mac_write_multi(sc, RT2860_REG_BEACON_BASE(0) + sizeof(struct rt2860_txwi),
3576 mtod(m, uint8_t *), m->m_pkthdr.len);
3577
3578 /* enable again TSF sync */
3579
3580 tmp = rt2860_io_mac_read(sc, RT2860_REG_BCN_TIME_CFG);
3581
3582 tmp |= (RT2860_REG_BCN_TX_ENABLE |
3583 RT2860_REG_TSF_TIMER_ENABLE |
3584 RT2860_REG_TBTT_TIMER_ENABLE);
3585
3586 rt2860_io_mac_write(sc, RT2860_REG_BCN_TIME_CFG, tmp);
3587 }
3588
3589 /*
3590 * rt2860_asic_clear_keytables
3591 */
3592 static void rt2860_asic_clear_keytables(struct rt2860_softc *sc)
3593 {
3594 int i;
3595
3596 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3597
3598 for (i = 0; i < 256; i++)
3599 {
3600 rt2860_io_mac_write(sc, RT2860_REG_WCID(i), 0xffffffff);
3601 rt2860_io_mac_write(sc, RT2860_REG_WCID(i) + 4, 0x0000ffff);
3602 }
3603
3604 /* clear WCID attribute table (entries = 256, entry size = 4) */
3605
3606 rt2860_io_mac_set_region_4(sc, RT2860_REG_WCID_ATTR(0), 0, 256);
3607
3608 /* clear IV/EIV table (entries = 256, entry size = 8) */
3609
3610 rt2860_io_mac_set_region_4(sc, RT2860_REG_IVEIV(0), 0, 2 * 256);
3611
3612 /* clear pairwise key table (entries = 256, entry size = 32) */
3613
3614 rt2860_io_mac_set_region_4(sc, RT2860_REG_PKEY(0), 0, 8 * 256);
3615
3616 /* clear shared key table (entries = 32, entry size = 32) */
3617
3618 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY(0, 0), 0, 8 * 32);
3619
3620 /* clear shared key mode (entries = 32, entry size = 2) */
3621
3622 rt2860_io_mac_set_region_4(sc, RT2860_REG_SKEY_MODE(0), 0, 16);
3623 }
3624
3625 /*
3626 * rt2860_beacon_alloc
3627 */
3628 static int rt2860_beacon_alloc(struct rt2860_softc *sc,
3629 struct ieee80211vap *vap)
3630 {
3631 struct ieee80211com *ic;
3632 struct rt2860_softc_vap *rvap;
3633 const struct ieee80211_txparam *tp;
3634 struct mbuf *m;
3635 struct rt2860_txwi txwi;
3636 uint8_t rate, mcs;
3637
3638 ic = vap->iv_ic;
3639 rvap = (struct rt2860_softc_vap *) vap;
3640 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3641
3642 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3643 if (m == NULL)
3644 return ENOMEM;
3645
3646 rate = tp->mgmtrate;
3647 mcs = rt2860_rate2mcs(rate);
3648
3649 memset(&txwi, 0, sizeof(struct rt2860_txwi));
3650
3651 txwi.wcid = 0xff;
3652 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3653 RT2860_TXWI_MPDU_LEN_SHIFT);
3654 txwi.txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
3655 txwi.mpdu_density_flags |=
3656 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3657 txwi.bawin_size_xflags |=
3658 (RT2860_TXWI_XFLAGS_NSEQ << RT2860_TXWI_XFLAGS_SHIFT);
3659
3660 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3661 {
3662 txwi.phymode_ifs_stbc_shortgi =
3663 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3664
3665 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3666 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3667 }
3668 else
3669 {
3670 txwi.phymode_ifs_stbc_shortgi =
3671 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3672 }
3673
3674 txwi.bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3675 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3676
3677 if (rvap->beacon_mbuf != NULL)
3678 {
3679 m_free(rvap->beacon_mbuf);
3680 rvap->beacon_mbuf = NULL;
3681 }
3682
3683 rvap->beacon_mbuf = m;
3684 rvap->beacon_txwi = txwi;
3685
3686 return 0;
3687 }
3688
3689 /*
3690 * rt2860_rxrate
3691 */
3692 static uint8_t rt2860_rxrate(struct rt2860_rxwi *rxwi)
3693 {
3694 uint8_t mcs, phymode;
3695 uint8_t rate;
3696
3697 mcs = (rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK;
3698 phymode = (rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
3699 RT2860_RXWI_PHYMODE_MASK;
3700
3701 rate = 2;
3702
3703 switch (phymode)
3704 {
3705 case RT2860_RXWI_PHYMODE_CCK:
3706 switch (mcs & ~RT2860_RXWI_MCS_SHOTPRE)
3707 {
3708 case 0: rate = 2; break; /* 1 Mbps */
3709 case 1: rate = 4; break; /* 2 MBps */
3710 case 2: rate = 11; break; /* 5.5 Mbps */
3711 case 3: rate = 22; break; /* 11 Mbps */
3712 }
3713 break;
3714
3715 case RT2860_RXWI_PHYMODE_OFDM:
3716 switch (mcs)
3717 {
3718 case 0: rate = 12; break; /* 6 Mbps */
3719 case 1: rate = 18; break; /* 9 Mbps */
3720 case 2: rate = 24; break; /* 12 Mbps */
3721 case 3: rate = 36; break; /* 18 Mbps */
3722 case 4: rate = 48; break; /* 24 Mbps */
3723 case 5: rate = 72; break; /* 36 Mbps */
3724 case 6: rate = 96; break; /* 48 Mbps */
3725 case 7: rate = 108; break; /* 54 Mbps */
3726 }
3727 break;
3728
3729 case RT2860_RXWI_PHYMODE_HT_MIXED:
3730 case RT2860_RXWI_PHYMODE_HT_GF:
3731 break;
3732 }
3733
3734 return rate;
3735 }
3736
3737 /*
3738 * rt2860_maxrssi_rxpath
3739 */
3740 static uint8_t rt2860_maxrssi_rxpath(struct rt2860_softc *sc,
3741 const struct rt2860_rxwi *rxwi)
3742 {
3743 uint8_t rxpath;
3744
3745 rxpath = 0;
3746
3747 if (sc->nrxpath > 1)
3748 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3749 rxpath = 1;
3750
3751 if (sc->nrxpath > 2)
3752 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3753 rxpath = 2;
3754
3755 return rxpath;
3756 }
3757
3758 /*
3759 * rt2860_rssi2dbm
3760 */
3761 static int8_t rt2860_rssi2dbm(struct rt2860_softc *sc,
3762 uint8_t rssi, uint8_t rxpath)
3763 {
3764 struct ifnet *ifp;
3765 struct ieee80211com *ic;
3766 struct ieee80211_channel *c;
3767 int chan;
3768 int8_t rssi_off, lna_gain;
3769
3770 if (rssi == 0)
3771 return -99;
3772
3773 ifp = sc->ifp;
3774 ic = ifp->if_l2com;
3775 c = ic->ic_curchan;
3776 chan = ieee80211_chan2ieee(ic, c);
3777
3778 if (IEEE80211_IS_CHAN_5GHZ(c))
3779 {
3780 rssi_off = sc->rssi_off_5ghz[rxpath];
3781
3782 if (chan <= 64)
3783 lna_gain = sc->lna_gain[1];
3784 else if (chan <= 128)
3785 lna_gain = sc->lna_gain[2];
3786 else
3787 lna_gain = sc->lna_gain[3];
3788 }
3789 else
3790 {
3791 rssi_off = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3792 lna_gain = sc->lna_gain[0];
3793 }
3794
3795 return (-12 - rssi_off - lna_gain - rssi);
3796 }
3797
3798 /*
3799 * rt2860_rate2mcs
3800 */
3801 static uint8_t rt2860_rate2mcs(uint8_t rate)
3802 {
3803 switch (rate)
3804 {
3805 /* CCK rates */
3806 case 2: return 0;
3807 case 4: return 1;
3808 case 11: return 2;
3809 case 22: return 3;
3810
3811 /* OFDM rates */
3812 case 12: return 0;
3813 case 18: return 1;
3814 case 24: return 2;
3815 case 36: return 3;
3816 case 48: return 4;
3817 case 72: return 5;
3818 case 96: return 6;
3819 case 108: return 7;
3820 }
3821
3822 return 0;
3823 }
3824
3825 /*
3826 * rt2860_tx_mgmt
3827 */
3828 static int rt2860_tx_mgmt(struct rt2860_softc *sc,
3829 struct mbuf *m, struct ieee80211_node *ni, int qid)
3830 {
3831 struct ifnet *ifp;
3832 struct ieee80211com *ic;
3833 struct ieee80211vap *vap;
3834 const struct ieee80211_txparam *tp;
3835 struct rt2860_softc_node *rni;
3836 struct rt2860_softc_tx_ring *ring;
3837 struct rt2860_softc_tx_data *data;
3838 struct rt2860_txdesc *desc;
3839 struct rt2860_txwi *txwi;
3840 struct ieee80211_frame *wh;
3841 struct rt2860_softc_tx_radiotap_header *tap;
3842 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
3843 u_int hdrsize, hdrspace;
3844 uint8_t rate, stbc, shortgi, mcs, pid, qsel;
3845 uint16_t len, dmalen, mpdu_len, dur;
3846 int error, mimops, ndmasegs, ndescs, i, j;
3847
3848 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
3849 ("%s: Tx MGMT: invalid qid=%d\n",
3850 device_get_nameunit(sc->dev), qid));
3851
3852 ifp = sc->ifp;
3853 ic = ifp->if_l2com;
3854 vap = ni->ni_vap;
3855 rni = (struct rt2860_softc_node *) ni;
3856 tp = ni->ni_txparms;
3857
3858 ring = &sc->tx_ring[qid];
3859 desc = &ring->desc[ring->desc_cur];
3860 data = &ring->data[ring->data_cur];
3861 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
3862
3863 wh = mtod(m, struct ieee80211_frame *);
3864
3865 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3866
3867 /* fill Tx wireless info */
3868
3869 if (ni->ni_flags & IEEE80211_NODE_HT)
3870 mcs = rate;
3871 else
3872 mcs = rt2860_rate2mcs(rate);
3873
3874 /* calculate MPDU length without padding */
3875
3876 hdrsize = ieee80211_hdrsize(wh);
3877 hdrspace = ieee80211_hdrspace(ic, wh);
3878 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3879
3880 memset(txwi, 0, sizeof(struct rt2860_txwi));
3881
3882 /* management frames do not need encryption */
3883
3884 txwi->wcid = 0xff;
3885
3886 /* MIMO power save */
3887
3888 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
3889 {
3890 if (mcs > 7)
3891 {
3892 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
3893 {
3894 /* dynamic MIMO power save */
3895
3896 txwi->mpdu_density_flags |=
3897 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
3898 }
3899 else
3900 {
3901 /* static MIMO power save */
3902
3903 mcs = 7;
3904 }
3905 }
3906
3907 mimops = 1;
3908 }
3909 else
3910 {
3911 mimops = 0;
3912 }
3913
3914 pid = mcs;
3915
3916 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
3917 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
3918 RT2860_TXWI_MPDU_LEN_SHIFT);
3919
3920 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
3921 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
3922
3923 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3924 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
3925
3926 txwi->phymode_ifs_stbc_shortgi |=
3927 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
3928 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
3929
3930 if (ni->ni_flags & IEEE80211_NODE_HT)
3931 {
3932 txwi->phymode_ifs_stbc_shortgi |=
3933 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
3934 }
3935 else
3936 {
3937 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3938 {
3939 txwi->phymode_ifs_stbc_shortgi |=
3940 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
3941
3942 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3943 mcs |= RT2860_TXWI_MCS_SHOTPRE;
3944 }
3945 else
3946 {
3947 txwi->phymode_ifs_stbc_shortgi |=
3948 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
3949 }
3950 }
3951
3952 txwi->bw_mcs = (RT2860_TXWI_BW_20 << RT2860_TXWI_BW_SHIFT) |
3953 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
3954
3955 txwi->txop = (RT2860_TXWI_TXOP_BACKOFF << RT2860_TXWI_TXOP_SHIFT);
3956
3957 /* skip ACKs for multicast frames */
3958
3959 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
3960 {
3961 txwi->bawin_size_xflags |=
3962 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
3963
3964 if (ni->ni_flags & IEEE80211_NODE_HT)
3965 {
3966 /* preamble + plcp + signal extension + SIFS */
3967
3968 dur = 16 + 4 + 6 + 10;
3969 }
3970 else
3971 {
3972 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3973 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3974 }
3975
3976 *(uint16_t *) wh->i_dur = htole16(dur);
3977 }
3978
3979 /* ask MAC to insert timestamp into probe responses */
3980
3981 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3982 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3983 txwi->mpdu_density_flags |=
3984 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
3985
3986 if (ieee80211_radiotap_active_vap(vap))
3987 {
3988 tap = &sc->txtap;
3989
3990 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3991 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3992 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3993 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3994 tap->chan_maxpow = 0;
3995
3996 if (ni->ni_flags & IEEE80211_NODE_HT)
3997 tap->rate = mcs | IEEE80211_RATE_MCS;
3998 else
3999 tap->rate = rate;
4000
4001 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4002 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4003
4004 if (shortgi)
4005 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4006
4007 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4008 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4009
4010 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4011 {
4012 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4013
4014 ieee80211_radiotap_tx(vap, m);
4015
4016 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4017 }
4018 else
4019 {
4020 ieee80211_radiotap_tx(vap, m);
4021 }
4022 }
4023
4024 /* copy and trim 802.11 header */
4025
4026 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4027 m_adj(m, hdrspace);
4028
4029 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4030 dma_seg, &ndmasegs, 0);
4031 if (error != 0)
4032 {
4033 /* too many fragments, linearize */
4034
4035 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4036 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4037 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4038
4039 m = m_defrag(m, M_DONTWAIT);
4040 if (m == NULL)
4041 return ENOMEM;
4042
4043 sc->tx_defrag_packets++;
4044
4045 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4046 dma_seg, &ndmasegs, 0);
4047 if (error != 0)
4048 {
4049 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4050 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4051 m_freem(m);
4052 return error;
4053 }
4054 }
4055
4056 if (m->m_pkthdr.len == 0)
4057 ndmasegs = 0;
4058
4059 /* determine how many Tx descs are required */
4060
4061 ndescs = 1 + ndmasegs / 2;
4062 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4063 {
4064 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4065 "%s: there are not enough Tx descs\n",
4066 device_get_nameunit(sc->dev));
4067
4068 sc->no_tx_desc_avail++;
4069
4070 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4071 m_freem(m);
4072 return EFBIG;
4073 }
4074
4075 data->m = m;
4076 data->ni = ni;
4077
4078 /* set up Tx descs */
4079
4080 /* first segment is Tx wireless info and 802.11 header */
4081
4082 len = sizeof(struct rt2860_txwi) + hdrsize;
4083
4084 /* align end on a 4-bytes boundary */
4085
4086 dmalen = (len + 3) & ~ 3;
4087
4088 memset((caddr_t) txwi + len, 0, dmalen - len);
4089
4090 qsel = RT2860_TXDESC_QSEL_EDCA;
4091
4092 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4093 desc->sdl0 = htole16(dmalen);
4094 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4095
4096 /* set up payload segments */
4097
4098 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4099 {
4100 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4101 desc->sdl1 = htole16(dma_seg[j].ds_len);
4102
4103 ring->desc_queued++;
4104 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4105
4106 j++;
4107
4108 desc = &ring->desc[ring->desc_cur];
4109
4110 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4111 desc->sdl0 = htole16(dma_seg[j].ds_len);
4112 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4113
4114 j++;
4115 }
4116
4117 /* finalize last payload segment */
4118
4119 if (i > 0)
4120 {
4121 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4122 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4123 }
4124 else
4125 {
4126 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4127 desc->sdl1 = 0;
4128 }
4129
4130 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4131 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4132 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4133 device_get_nameunit(sc->dev),
4134 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4135 stbc, shortgi, mcs, mimops, dmalen, ndmasegs,
4136 (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);
4137
4138 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4139 BUS_DMASYNC_PREWRITE);
4140 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4141 BUS_DMASYNC_PREWRITE);
4142 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4143 BUS_DMASYNC_PREWRITE);
4144
4145 ring->desc_queued++;
4146 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4147
4148 ring->data_queued++;
4149 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4150
4151 /* kick Tx */
4152
4153 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4154
4155 return 0;
4156 }
4157
4158 /*
4159 * rt2860_tx_data
4160 */
4161 static int rt2860_tx_data(struct rt2860_softc *sc,
4162 struct mbuf *m, struct ieee80211_node *ni, int qid)
4163 {
4164 struct ifnet *ifp;
4165 struct ieee80211com *ic;
4166 struct ieee80211vap *vap;
4167 const struct ieee80211_txparam *tp;
4168 struct rt2860_softc_node *rni;
4169 struct rt2860_softc_tx_ring *ring;
4170 struct rt2860_softc_tx_data *data;
4171 struct rt2860_txdesc *desc;
4172 struct rt2860_txwi *txwi;
4173 struct ieee80211_frame *wh;
4174 struct ieee80211_tx_ampdu *tx_ampdu;
4175 ieee80211_seq seqno;
4176 struct rt2860_softc_tx_radiotap_header *tap;
4177 bus_dma_segment_t dma_seg[RT2860_SOFTC_MAX_SCATTER];
4178 u_int hdrsize, hdrspace;
4179 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size, qsel;
4180 uint16_t qos, len, dmalen, mpdu_len, dur;
4181 int error, hasqos, ac, tid, ampdu, mimops, ndmasegs, ndescs, i, j;
4182
4183 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4184 ("%s: Tx data: invalid qid=%d\n",
4185 device_get_nameunit(sc->dev), qid));
4186
4187 ifp = sc->ifp;
4188 ic = ifp->if_l2com;
4189 vap = ni->ni_vap;
4190 rni = (struct rt2860_softc_node *) ni;
4191 tp = ni->ni_txparms;
4192
4193 ring = &sc->tx_ring[qid];
4194 desc = &ring->desc[ring->desc_cur];
4195 data = &ring->data[ring->data_cur];
4196 txwi = (struct rt2860_txwi *) (ring->seg0 + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4197
4198 wh = mtod(m, struct ieee80211_frame *);
4199
4200 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4201
4202 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4203 if (hasqos)
4204 {
4205 if (IEEE80211_HAS_ADDR4(wh))
4206 qos = le16toh(*(const uint16_t *)
4207 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4208 else
4209 qos = le16toh(*(const uint16_t *)
4210 (((struct ieee80211_qosframe *) wh)->i_qos));
4211 }
4212 else
4213 {
4214 qos = 0;
4215 }
4216
4217 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4218 rate = tp->mcastrate;
4219 else if (m->m_flags & M_EAPOL)
4220 rate = tp->mgmtrate;
4221 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4222 rate = tp->ucastrate;
4223 else
4224 rate = ni->ni_txrate;
4225
4226 rate &= IEEE80211_RATE_VAL;
4227
4228 /* fill Tx wireless info */
4229
4230 if (ni->ni_flags & IEEE80211_NODE_HT)
4231 mcs = rate;
4232 else
4233 mcs = rt2860_rate2mcs(rate);
4234
4235 if (type == IEEE80211_FC0_TYPE_DATA)
4236 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? RT2860_AID2WCID(ni->ni_associd) : 0;
4237 else
4238 wcid = 0xff;
4239
4240 /* calculate MPDU length without padding */
4241
4242 hdrsize = ieee80211_hdrsize(wh);
4243 hdrspace = ieee80211_hdrspace(ic, wh);
4244 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4245
4246 memset(txwi, 0, sizeof(struct rt2860_txwi));
4247
4248 txwi->wcid = wcid;
4249
4250 /* MIMO power save */
4251
4252 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4253 {
4254 if (mcs > 7)
4255 {
4256 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4257 {
4258 /* dynamic MIMO power save */
4259
4260 txwi->mpdu_density_flags |=
4261 (RT2860_TXWI_FLAGS_MIMOPS << RT2860_TXWI_FLAGS_SHIFT);
4262 }
4263 else
4264 {
4265 /* static MIMO power save */
4266
4267 mcs = 7;
4268 }
4269 }
4270
4271 mimops = 1;
4272 }
4273 else
4274 {
4275 mimops = 0;
4276 }
4277
4278 pid = mcs;
4279
4280 txwi->pid_mpdu_len = ((htole16(pid) & RT2860_TXWI_PID_MASK) <<
4281 RT2860_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2860_TXWI_MPDU_LEN_MASK) <<
4282 RT2860_TXWI_MPDU_LEN_SHIFT);
4283
4284 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4285 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4286
4287 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4288 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4289
4290 txwi->phymode_ifs_stbc_shortgi |=
4291 ((stbc & RT2860_TXWI_STBC_MASK) << RT2860_TXWI_STBC_SHIFT) |
4292 ((shortgi & RT2860_TXWI_SHORTGI_MASK) << RT2860_TXWI_SHORTGI_SHIFT);
4293
4294 if (ni->ni_flags & IEEE80211_NODE_HT)
4295 {
4296 txwi->phymode_ifs_stbc_shortgi |=
4297 (RT2860_TXWI_PHYMODE_HT_MIXED << RT2860_TXWI_PHYMODE_SHIFT);
4298 }
4299 else
4300 {
4301 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4302 {
4303 txwi->phymode_ifs_stbc_shortgi |=
4304 (RT2860_TXWI_PHYMODE_CCK << RT2860_TXWI_PHYMODE_SHIFT);
4305
4306 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4307 mcs |= RT2860_TXWI_MCS_SHOTPRE;
4308 }
4309 else
4310 {
4311 txwi->phymode_ifs_stbc_shortgi |=
4312 (RT2860_TXWI_PHYMODE_OFDM << RT2860_TXWI_PHYMODE_SHIFT);
4313 }
4314 }
4315
4316 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4317 bw = RT2860_TXWI_BW_40;
4318 else
4319 bw = RT2860_TXWI_BW_20;
4320
4321 txwi->bw_mcs = ((bw & RT2860_TXWI_BW_MASK) << RT2860_TXWI_BW_SHIFT) |
4322 ((mcs & RT2860_TXWI_MCS_MASK) << RT2860_TXWI_MCS_SHIFT);
4323
4324 txwi->txop = (RT2860_TXWI_TXOP_HT << RT2860_TXWI_TXOP_SHIFT);
4325
4326 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4327 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4328 {
4329 txwi->bawin_size_xflags |=
4330 (RT2860_TXWI_XFLAGS_ACK << RT2860_TXWI_XFLAGS_SHIFT);
4331
4332 if (ni->ni_flags & IEEE80211_NODE_HT)
4333 {
4334 /* preamble + plcp + signal extension + SIFS */
4335
4336 dur = 16 + 4 + 6 + 10;
4337 }
4338 else
4339 {
4340 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4341 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4342 }
4343
4344 *(uint16_t *) wh->i_dur = htole16(dur);
4345 }
4346
4347 /* check for A-MPDU */
4348
4349 if (m->m_flags & M_AMPDU_MPDU)
4350 {
4351 ac = M_WME_GETAC(m);
4352 tid = WME_AC_TO_TID(ac);
4353 tx_ampdu = &ni->ni_tx_ampdu[ac];
4354
4355 mpdu_density = RT2860_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4356 bawin_size = tx_ampdu->txa_wnd;
4357
4358 txwi->mpdu_density_flags |=
4359 ((mpdu_density & RT2860_TXWI_MPDU_DENSITY_MASK) << RT2860_TXWI_MPDU_DENSITY_SHIFT) |
4360 (RT2860_TXWI_FLAGS_AMPDU << RT2860_TXWI_FLAGS_SHIFT);
4361
4362 txwi->bawin_size_xflags |=
4363 ((bawin_size & RT2860_TXWI_BAWIN_SIZE_MASK) << RT2860_TXWI_BAWIN_SIZE_SHIFT);
4364
4365 seqno = ni->ni_txseqs[tid]++;
4366
4367 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4368
4369 ampdu = 1;
4370 }
4371 else
4372 {
4373 ampdu = 0;
4374 }
4375
4376 /* ask MAC to insert timestamp into probe responses */
4377
4378 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4379 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4380 txwi->mpdu_density_flags |=
4381 (RT2860_TXWI_FLAGS_TS << RT2860_TXWI_FLAGS_SHIFT);
4382
4383 if (ieee80211_radiotap_active_vap(vap))
4384 {
4385 tap = &sc->txtap;
4386
4387 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4388 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4389 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4390 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4391 tap->chan_maxpow = 0;
4392
4393 if (ni->ni_flags & IEEE80211_NODE_HT)
4394 tap->rate = mcs | IEEE80211_RATE_MCS;
4395 else
4396 tap->rate = rate;
4397
4398 if (mcs & RT2860_TXWI_MCS_SHOTPRE)
4399 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4400
4401 if (shortgi)
4402 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4403
4404 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4405 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4406
4407 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4408 {
4409 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4410
4411 ieee80211_radiotap_tx(vap, m);
4412
4413 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4414 }
4415 else
4416 {
4417 ieee80211_radiotap_tx(vap, m);
4418 }
4419 }
4420
4421 /* copy and trim 802.11 header */
4422
4423 m_copydata(m, 0, hdrsize, (caddr_t) (txwi + 1));
4424 m_adj(m, hdrspace);
4425
4426 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4427 dma_seg, &ndmasegs, 0);
4428 if (error != 0)
4429 {
4430 /* too many fragments, linearize */
4431
4432 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4433 "%s: could not load mbuf DMA map, trying to linearize mbuf: ndmasegs=%d, len=%d, error=%d\n",
4434 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4435
4436 m = m_defrag(m, M_DONTWAIT);
4437 if (m == NULL)
4438 return ENOMEM;
4439
4440 sc->tx_defrag_packets++;
4441
4442 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map, m,
4443 dma_seg, &ndmasegs, 0);
4444 if (error != 0)
4445 {
4446 printf("%s: could not load mbuf DMA map: ndmasegs=%d, len=%d, error=%d\n",
4447 device_get_nameunit(sc->dev), ndmasegs, m->m_pkthdr.len, error);
4448 m_freem(m);
4449 return error;
4450 }
4451 }
4452
4453 if (m->m_pkthdr.len == 0)
4454 ndmasegs = 0;
4455
4456 /* determine how many Tx descs are required */
4457
4458 ndescs = 1 + ndmasegs / 2;
4459 if ((ring->desc_queued + ndescs) > (RT2860_SOFTC_TX_RING_DESC_COUNT - 2))
4460 {
4461 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4462 "%s: there are not enough Tx descs\n",
4463 device_get_nameunit(sc->dev));
4464
4465 sc->no_tx_desc_avail++;
4466
4467 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
4468 m_freem(m);
4469 return EFBIG;
4470 }
4471
4472 data->m = m;
4473 data->ni = ni;
4474
4475 /* set up Tx descs */
4476
4477 /* first segment is Tx wireless info and 802.11 header */
4478
4479 len = sizeof(struct rt2860_txwi) + hdrsize;
4480
4481 /* align end on a 4-bytes boundary */
4482
4483 dmalen = (len + 3) & ~ 3;
4484
4485 memset((caddr_t) txwi + len, 0, dmalen - len);
4486
4487 qsel = RT2860_TXDESC_QSEL_EDCA;
4488
4489 desc->sdp0 = htole32(ring->seg0_phys_addr + ring->data_cur * RT2860_TX_DATA_SEG0_SIZE);
4490 desc->sdl0 = htole16(dmalen);
4491 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4492
4493 /* set up payload segments */
4494
4495 for (i = ndmasegs, j = 0; i >= 2; i -= 2)
4496 {
4497 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4498 desc->sdl1 = htole16(dma_seg[j].ds_len);
4499
4500 ring->desc_queued++;
4501 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4502
4503 j++;
4504
4505 desc = &ring->desc[ring->desc_cur];
4506
4507 desc->sdp0 = htole32(dma_seg[j].ds_addr);
4508 desc->sdl0 = htole16(dma_seg[j].ds_len);
4509 desc->qsel_flags = (qsel << RT2860_TXDESC_QSEL_SHIFT);
4510
4511 j++;
4512 }
4513
4514 /* finalize last payload segment */
4515
4516 if (i > 0)
4517 {
4518 desc->sdp1 = htole32(dma_seg[j].ds_addr);
4519 desc->sdl1 = htole16(dma_seg[j].ds_len | RT2860_TXDESC_SDL1_LASTSEG);
4520 }
4521 else
4522 {
4523 desc->sdl0 |= htole16(RT2860_TXDESC_SDL0_LASTSEG);
4524 desc->sdl1 = 0;
4525 }
4526
4527 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4528 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4529 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d, ndmasegs=%d, DMA ds_len=%d/%d/%d/%d/%d\n",
4530 device_get_nameunit(sc->dev),
4531 qid, hdrsize, hdrspace, m->m_pkthdr.len + hdrsize,
4532 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen, ndmasegs,
4533 (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);
4534
4535 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
4536 BUS_DMASYNC_PREWRITE);
4537 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
4538 BUS_DMASYNC_PREWRITE);
4539 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
4540 BUS_DMASYNC_PREWRITE);
4541
4542 ring->desc_queued++;
4543 ring->desc_cur = (ring->desc_cur + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
4544
4545 ring->data_queued++;
4546 ring->data_cur = (ring->data_cur + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
4547
4548 /* kick Tx */
4549
4550 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(qid), ring->desc_cur);
4551
4552 return 0;
4553 }
4554
4555 /*
4556 * rt2860_tx_raw
4557 */
4558 static int rt2860_tx_raw(struct rt2860_softc *sc,
4559 struct mbuf *m, struct ieee80211_node *ni,
4560 const struct ieee80211_bpf_params *params)
4561 {
4562 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
4563 "%s: Tx raw\n",
4564 device_get_nameunit(sc->dev));
4565
4566 return 0;
4567 }
4568
4569 /*
4570 * rt2860_intr
4571 */
4572 static void rt2860_intr(void *arg)
4573 {
4574 struct rt2860_softc *sc;
4575 struct ifnet *ifp;
4576 uint32_t status;
4577
4578 sc = arg;
4579 ifp = sc->ifp;
4580
4581 /* acknowledge interrupts */
4582
4583 status = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_INT_STATUS);
4584 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_STATUS, status);
4585
4586 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4587 "%s: interrupt: status = 0x%08x\n",
4588 device_get_nameunit(sc->dev), status);
4589
4590 if (status == 0xffffffff || /* device likely went away */
4591 status == 0) /* not for us */
4592 return;
4593
4594 sc->interrupts++;
4595
4596 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4597 return;
4598
4599 if (status & RT2860_REG_INT_TX_COHERENT)
4600 rt2860_tx_coherent_intr(sc);
4601
4602 if (status & RT2860_REG_INT_RX_COHERENT)
4603 rt2860_rx_coherent_intr(sc);
4604
4605 if (status & RT2860_REG_INT_TXRX_COHERENT)
4606 rt2860_txrx_coherent_intr(sc);
4607
4608 if (status & RT2860_REG_INT_FIFO_STA_FULL)
4609 rt2860_fifo_sta_full_intr(sc);
4610
4611 if (status & RT2860_REG_INT_TX_MGMT_DONE)
4612 rt2860_tx_intr(sc, 5);
4613
4614 if (status & RT2860_REG_INT_RX_DONE)
4615 rt2860_rx_intr(sc);
4616
4617 if (status & RT2860_REG_INT_RX_DELAY_DONE)
4618 rt2860_rx_delay_intr(sc);
4619
4620 if (status & RT2860_REG_INT_TX_HCCA_DONE)
4621 rt2860_tx_intr(sc, 4);
4622
4623 if (status & RT2860_REG_INT_TX_AC3_DONE)
4624 rt2860_tx_intr(sc, 3);
4625
4626 if (status & RT2860_REG_INT_TX_AC2_DONE)
4627 rt2860_tx_intr(sc, 2);
4628
4629 if (status & RT2860_REG_INT_TX_AC1_DONE)
4630 rt2860_tx_intr(sc, 1);
4631
4632 if (status & RT2860_REG_INT_TX_AC0_DONE)
4633 rt2860_tx_intr(sc, 0);
4634
4635 if (status & RT2860_REG_INT_TX_DELAY_DONE)
4636 rt2860_tx_delay_intr(sc);
4637
4638 if (status & RT2860_REG_INT_PRE_TBTT)
4639 rt2860_pre_tbtt_intr(sc);
4640
4641 if (status & RT2860_REG_INT_TBTT)
4642 rt2860_tbtt_intr(sc);
4643
4644 if (status & RT2860_REG_INT_MCU_CMD)
4645 rt2860_mcu_cmd_intr(sc);
4646
4647 if (status & RT2860_REG_INT_AUTO_WAKEUP)
4648 rt2860_auto_wakeup_intr(sc);
4649
4650 if (status & RT2860_REG_INT_GP_TIMER)
4651 rt2860_gp_timer_intr(sc);
4652 }
4653
4654 /*
4655 * rt2860_tx_coherent_intr
4656 */
4657 static void rt2860_tx_coherent_intr(struct rt2860_softc *sc)
4658 {
4659 uint32_t tmp;
4660 int i;
4661
4662 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4663 "%s: Tx coherent interrupt\n",
4664 device_get_nameunit(sc->dev));
4665
4666 sc->tx_coherent_interrupts++;
4667
4668 /* restart DMA engine */
4669
4670 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4671
4672 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4673 RT2860_REG_RX_DMA_ENABLE |
4674 RT2860_REG_TX_DMA_ENABLE);
4675
4676 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4677
4678 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4679
4680 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4681 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4682
4683 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4684 {
4685 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4686 sc->tx_ring[i].desc_phys_addr);
4687 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4688 RT2860_SOFTC_TX_RING_DESC_COUNT);
4689 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4690 }
4691
4692 /* init Rx ring */
4693
4694 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4695
4696 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4697 sc->rx_ring.desc_phys_addr);
4698 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4699 RT2860_SOFTC_RX_RING_DATA_COUNT);
4700 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4701 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4702
4703 rt2860_txrx_enable(sc);
4704 }
4705
4706 /*
4707 * rt2860_rx_coherent_intr
4708 */
4709 static void rt2860_rx_coherent_intr(struct rt2860_softc *sc)
4710 {
4711 uint32_t tmp;
4712 int i;
4713
4714 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4715 "%s: Rx coherent interrupt\n",
4716 device_get_nameunit(sc->dev));
4717
4718 sc->rx_coherent_interrupts++;
4719
4720 /* restart DMA engine */
4721
4722 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4723
4724 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4725 RT2860_REG_RX_DMA_ENABLE |
4726 RT2860_REG_TX_DMA_ENABLE);
4727
4728 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4729
4730 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4731
4732 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4733 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4734
4735 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4736 {
4737 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4738 sc->tx_ring[i].desc_phys_addr);
4739 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4740 RT2860_SOFTC_TX_RING_DESC_COUNT);
4741 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4742 }
4743
4744 /* init Rx ring */
4745
4746 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4747
4748 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4749 sc->rx_ring.desc_phys_addr);
4750 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4751 RT2860_SOFTC_RX_RING_DATA_COUNT);
4752 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4753 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4754
4755 rt2860_txrx_enable(sc);
4756 }
4757
4758 /*
4759 * rt2860_txrx_coherent_intr
4760 */
4761 static void rt2860_txrx_coherent_intr(struct rt2860_softc *sc)
4762 {
4763 uint32_t tmp;
4764 int i;
4765
4766 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4767 "%s: Tx/Rx coherent interrupt\n",
4768 device_get_nameunit(sc->dev));
4769
4770 sc->txrx_coherent_interrupts++;
4771
4772 /* restart DMA engine */
4773
4774 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
4775
4776 tmp &= ~(RT2860_REG_TX_WB_DDONE |
4777 RT2860_REG_RX_DMA_ENABLE |
4778 RT2860_REG_TX_DMA_ENABLE);
4779
4780 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4781
4782 /* init Tx rings (4 EDCAs + HCCA + MGMT) */
4783
4784 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4785 rt2860_reset_tx_ring(sc, &sc->tx_ring[i]);
4786
4787 for (i = 0; i < RT2860_SOFTC_TX_RING_COUNT; i++)
4788 {
4789 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_BASE_PTR(i),
4790 sc->tx_ring[i].desc_phys_addr);
4791 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_MAX_CNT(i),
4792 RT2860_SOFTC_TX_RING_DESC_COUNT);
4793 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_TX_CTX_IDX(i), 0);
4794 }
4795
4796 /* init Rx ring */
4797
4798 rt2860_reset_rx_ring(sc, &sc->rx_ring);
4799
4800 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_BASE_PTR,
4801 sc->rx_ring.desc_phys_addr);
4802 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_MAX_CNT,
4803 RT2860_SOFTC_RX_RING_DATA_COUNT);
4804 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
4805 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
4806
4807 rt2860_txrx_enable(sc);
4808 }
4809
4810 /*
4811 * rt2860_fifo_sta_full_intr
4812 */
4813 static void rt2860_fifo_sta_full_intr(struct rt2860_softc *sc)
4814 {
4815 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4816 "%s: FIFO statistic full interrupt\n",
4817 device_get_nameunit(sc->dev));
4818
4819 sc->fifo_sta_full_interrupts++;
4820
4821 RT2860_SOFTC_LOCK(sc);
4822
4823 if (!(sc->intr_disable_mask & RT2860_REG_INT_FIFO_STA_FULL))
4824 {
4825 rt2860_intr_disable(sc, RT2860_REG_INT_FIFO_STA_FULL);
4826
4827 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
4828 }
4829
4830 sc->intr_pending_mask |= RT2860_REG_INT_FIFO_STA_FULL;
4831
4832 RT2860_SOFTC_UNLOCK(sc);
4833 }
4834
4835 /*
4836 * rt2860_rx_intr
4837 */
4838 static void rt2860_rx_intr(struct rt2860_softc *sc)
4839 {
4840 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4841 "%s: Rx interrupt\n",
4842 device_get_nameunit(sc->dev));
4843
4844 sc->rx_interrupts++;
4845
4846 RT2860_SOFTC_LOCK(sc);
4847
4848 if (!(sc->intr_disable_mask & RT2860_REG_INT_RX_DONE))
4849 {
4850 rt2860_intr_disable(sc, RT2860_REG_INT_RX_DONE);
4851
4852 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4853 }
4854
4855 sc->intr_pending_mask |= RT2860_REG_INT_RX_DONE;
4856
4857 RT2860_SOFTC_UNLOCK(sc);
4858 }
4859
4860 /*
4861 * rt2860_rx_delay_intr
4862 */
4863 static void rt2860_rx_delay_intr(struct rt2860_softc *sc)
4864 {
4865 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4866 "%s: Rx delay interrupt\n",
4867 device_get_nameunit(sc->dev));
4868
4869 sc->rx_delay_interrupts++;
4870 }
4871
4872 /*
4873 * rt2860_tx_intr
4874 */
4875 static void rt2860_tx_intr(struct rt2860_softc *sc, int qid)
4876 {
4877 KASSERT(qid >= 0 && qid < RT2860_SOFTC_TX_RING_COUNT,
4878 ("%s: Tx interrupt: invalid qid=%d\n",
4879 device_get_nameunit(sc->dev), qid));
4880
4881 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4882 "%s: Tx interrupt: qid=%d\n",
4883 device_get_nameunit(sc->dev), qid);
4884
4885 sc->tx_interrupts[qid]++;
4886
4887 RT2860_SOFTC_LOCK(sc);
4888
4889 if (!(sc->intr_disable_mask & (RT2860_REG_INT_TX_AC0_DONE << qid)))
4890 {
4891 rt2860_intr_disable(sc, (RT2860_REG_INT_TX_AC0_DONE << qid));
4892
4893 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4894 }
4895
4896 sc->intr_pending_mask |= (RT2860_REG_INT_TX_AC0_DONE << qid);
4897
4898 RT2860_SOFTC_UNLOCK(sc);
4899 }
4900
4901 /*
4902 * rt2860_tx_delay_intr
4903 */
4904 static void rt2860_tx_delay_intr(struct rt2860_softc *sc)
4905 {
4906 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4907 "%s: Tx delay interrupt\n",
4908 device_get_nameunit(sc->dev));
4909
4910 sc->tx_delay_interrupts++;
4911 }
4912
4913 /*
4914 * rt2860_pre_tbtt_intr
4915 */
4916 static void rt2860_pre_tbtt_intr(struct rt2860_softc *sc)
4917 {
4918 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4919 "%s: Pre-TBTT interrupt\n",
4920 device_get_nameunit(sc->dev));
4921
4922 sc->pre_tbtt_interrupts++;
4923 }
4924
4925 /*
4926 * rt2860_tbtt_intr
4927 */
4928 static void rt2860_tbtt_intr(struct rt2860_softc *sc)
4929 {
4930 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4931 "%s: TBTT interrupt\n",
4932 device_get_nameunit(sc->dev));
4933
4934 sc->tbtt_interrupts++;
4935 }
4936
4937 /*
4938 * rt2860_mcu_cmd_intr
4939 */
4940 static void rt2860_mcu_cmd_intr(struct rt2860_softc *sc)
4941 {
4942 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4943 "%s: MCU command interrupt\n",
4944 device_get_nameunit(sc->dev));
4945
4946 sc->mcu_cmd_interrupts++;
4947 }
4948
4949 /*
4950 * rt2860_auto_wakeup_intr
4951 */
4952 static void rt2860_auto_wakeup_intr(struct rt2860_softc *sc)
4953 {
4954 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4955 "%s: auto wakeup interrupt\n",
4956 device_get_nameunit(sc->dev));
4957
4958 sc->auto_wakeup_interrupts++;
4959 }
4960
4961 /*
4962 * rt2860_gp_timer_intr
4963 */
4964 static void rt2860_gp_timer_intr(struct rt2860_softc *sc)
4965 {
4966 RT2860_DPRINTF(sc, RT2860_DEBUG_INTR,
4967 "%s: GP timer interrupt\n",
4968 device_get_nameunit(sc->dev));
4969
4970 sc->gp_timer_interrupts++;
4971 }
4972
4973 /*
4974 * rt2860_rx_done_task
4975 */
4976 static void rt2860_rx_done_task(void *context, int pending)
4977 {
4978 struct rt2860_softc *sc;
4979 struct ifnet *ifp;
4980 int again;
4981
4982 sc = context;
4983 ifp = sc->ifp;
4984
4985 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
4986 "%s: Rx done task\n",
4987 device_get_nameunit(sc->dev));
4988
4989 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4990 return;
4991
4992 sc->intr_pending_mask &= ~RT2860_REG_INT_RX_DONE;
4993
4994 again = rt2860_rx_eof(sc, sc->rx_process_limit);
4995
4996 RT2860_SOFTC_LOCK(sc);
4997
4998 if ((sc->intr_pending_mask & RT2860_REG_INT_RX_DONE) || again)
4999 {
5000 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5001 "%s: Rx done task: scheduling again\n",
5002 device_get_nameunit(sc->dev));
5003
5004 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5005 }
5006 else
5007 {
5008 rt2860_intr_enable(sc, RT2860_REG_INT_RX_DONE);
5009 }
5010
5011 RT2860_SOFTC_UNLOCK(sc);
5012 }
5013
5014 /*
5015 * rt2860_tx_done_task
5016 */
5017 static void rt2860_tx_done_task(void *context, int pending)
5018 {
5019 struct rt2860_softc *sc;
5020 struct ifnet *ifp;
5021 uint32_t intr_mask;
5022 int i;
5023
5024 sc = context;
5025 ifp = sc->ifp;
5026
5027 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5028 "%s: Tx done task\n",
5029 device_get_nameunit(sc->dev));
5030
5031 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5032 return;
5033
5034 for (i = RT2860_SOFTC_TX_RING_COUNT - 1; i >= 0; i--)
5035 {
5036 if (sc->intr_pending_mask & (RT2860_REG_INT_TX_AC0_DONE << i))
5037 {
5038 sc->intr_pending_mask &= ~(RT2860_REG_INT_TX_AC0_DONE << i);
5039
5040 rt2860_tx_eof(sc, &sc->tx_ring[i]);
5041 }
5042 }
5043
5044 sc->tx_timer = 0;
5045
5046 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5047
5048 intr_mask = (RT2860_REG_INT_TX_MGMT_DONE |
5049 RT2860_REG_INT_TX_HCCA_DONE |
5050 RT2860_REG_INT_TX_AC3_DONE |
5051 RT2860_REG_INT_TX_AC2_DONE |
5052 RT2860_REG_INT_TX_AC1_DONE |
5053 RT2860_REG_INT_TX_AC0_DONE);
5054
5055 RT2860_SOFTC_LOCK(sc);
5056
5057 rt2860_intr_enable(sc, ~sc->intr_pending_mask &
5058 (sc->intr_disable_mask & intr_mask));
5059
5060 if (sc->intr_pending_mask & intr_mask)
5061 {
5062 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5063 "%s: Tx done task: scheduling again\n",
5064 device_get_nameunit(sc->dev));
5065
5066 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5067 }
5068
5069 RT2860_SOFTC_UNLOCK(sc);
5070 }
5071
5072 /*
5073 * rt2860_fifo_sta_full_task
5074 */
5075 static void rt2860_fifo_sta_full_task(void *context, int pending)
5076 {
5077 struct rt2860_softc *sc;
5078 struct ifnet *ifp;
5079
5080 sc = context;
5081 ifp = sc->ifp;
5082
5083 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5084 "%s: FIFO statistic full task\n",
5085 device_get_nameunit(sc->dev));
5086
5087 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5088 return;
5089
5090 sc->intr_pending_mask &= ~RT2860_REG_INT_FIFO_STA_FULL;
5091
5092 rt2860_drain_fifo_stats(sc);
5093
5094 RT2860_SOFTC_LOCK(sc);
5095
5096 if (sc->intr_pending_mask & RT2860_REG_INT_FIFO_STA_FULL)
5097 {
5098 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5099 "%s: FIFO statistic full task: scheduling again\n",
5100 device_get_nameunit(sc->dev));
5101
5102 taskqueue_enqueue(sc->taskqueue, &sc->fifo_sta_full_task);
5103 }
5104 else
5105 {
5106 rt2860_intr_enable(sc, RT2860_REG_INT_FIFO_STA_FULL);
5107 }
5108
5109 RT2860_SOFTC_UNLOCK(sc);
5110 }
5111
5112 /*
5113 * rt2860_periodic_task
5114 */
5115 static void rt2860_periodic_task(void *context, int pending)
5116 {
5117 struct rt2860_softc *sc;
5118 struct ifnet *ifp;
5119 struct ieee80211com *ic;
5120 struct ieee80211vap *vap;
5121
5122 sc = context;
5123 ifp = sc->ifp;
5124 ic = ifp->if_l2com;
5125 vap = TAILQ_FIRST(&ic->ic_vaps);
5126
5127 RT2860_DPRINTF(sc, RT2860_DEBUG_PERIODIC,
5128 "%s: periodic task: round=%lu\n",
5129 device_get_nameunit(sc->dev), sc->periodic_round);
5130
5131 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5132 return;
5133
5134 RT2860_SOFTC_LOCK(sc);
5135
5136 sc->periodic_round++;
5137
5138 rt2860_update_stats(sc);
5139
5140 if ((sc->periodic_round % 10) == 0)
5141 {
5142 rt2860_bbp_tuning(sc);
5143
5144 rt2860_update_raw_counters(sc);
5145
5146 rt2860_watchdog(sc);
5147
5148 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5149 {
5150 if (vap->iv_opmode == IEEE80211_M_STA)
5151 rt2860_amrr_update_iter_func(vap, vap->iv_bss);
5152 else
5153 ieee80211_iterate_nodes(&ic->ic_sta, rt2860_amrr_update_iter_func, vap);
5154 }
5155 }
5156
5157 RT2860_SOFTC_UNLOCK(sc);
5158
5159 callout_reset(&sc->periodic_ch, hz / 10, rt2860_periodic, sc);
5160 }
5161
5162 /*
5163 * rt2860_rx_eof
5164 */
5165 static int rt2860_rx_eof(struct rt2860_softc *sc, int limit)
5166 {
5167 struct ifnet *ifp;
5168 struct ieee80211com *ic;
5169 struct ieee80211_frame *wh;
5170 struct ieee80211_node *ni;
5171 struct rt2860_softc_node *rni;
5172 struct rt2860_softc_rx_radiotap_header *tap;
5173 struct rt2860_softc_rx_ring *ring;
5174 struct rt2860_rxdesc *desc;
5175 struct rt2860_softc_rx_data *data;
5176 struct rt2860_rxwi *rxwi;
5177 struct mbuf *m, *mnew;
5178 bus_dma_segment_t segs[1];
5179 bus_dmamap_t dma_map;
5180 uint32_t index, desc_flags;
5181 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
5182 int8_t rssi_dbm;
5183 int error, nsegs, len, ampdu, amsdu, rssi_dbm_rel, nframes, i;
5184
5185 ifp = sc->ifp;
5186 ic = ifp->if_l2com;
5187 ring = &sc->rx_ring;
5188
5189 nframes = 0;
5190
5191 while (limit != 0)
5192 {
5193 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_RX_DRX_IDX);
5194 if (ring->cur == index)
5195 break;
5196
5197 desc = &ring->desc[ring->cur];
5198 desc_flags = le32toh(desc->flags);
5199 data = &ring->data[ring->cur];
5200
5201 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5202 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5203
5204 if (!(desc->sdl0 & htole16(RT2860_RXDESC_SDL0_DDONE)))
5205 break;
5206
5207 nframes++;
5208
5209 mnew = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
5210 if (mnew == NULL)
5211 {
5212 sc->rx_mbuf_alloc_errors++;
5213 ifp->if_ierrors++;
5214 goto skip;
5215 }
5216
5217 mnew->m_len = mnew->m_pkthdr.len = MJUMPAGESIZE;
5218
5219 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, ring->spare_dma_map,
5220 mnew, segs, &nsegs, BUS_DMA_NOWAIT);
5221 if (error != 0)
5222 {
5223 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5224 "%s: could not load Rx mbuf DMA map: error=%d, nsegs=%d\n",
5225 device_get_nameunit(sc->dev), error, nsegs);
5226
5227 m_freem(mnew);
5228
5229 sc->rx_mbuf_dmamap_errors++;
5230 ifp->if_ierrors++;
5231
5232 goto skip;
5233 }
5234
5235 KASSERT(nsegs == 1, ("%s: too many DMA segments",
5236 device_get_nameunit(sc->dev)));
5237
5238 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5239 BUS_DMASYNC_POSTREAD);
5240 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5241
5242 dma_map = data->dma_map;
5243 data->dma_map = ring->spare_dma_map;
5244 ring->spare_dma_map = dma_map;
5245
5246 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5247 BUS_DMASYNC_PREREAD);
5248
5249 m = data->m;
5250
5251 data->m = mnew;
5252 desc->sdp0 = htole32(segs[0].ds_addr);
5253
5254 /* get Rx wireless info */
5255
5256 rxwi = mtod(m, struct rt2860_rxwi *);
5257 len = (le16toh(rxwi->tid_size) >> RT2860_RXWI_SIZE_SHIFT) &
5258 RT2860_RXWI_SIZE_MASK;
5259
5260 /* check for L2 padding between IEEE 802.11 frame header and body */
5261
5262 if (desc_flags & RT2860_RXDESC_FLAGS_L2PAD)
5263 {
5264 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5265 "%s: L2 padding: len=%d\n",
5266 device_get_nameunit(sc->dev), len);
5267
5268 len += 2;
5269 }
5270
5271 m->m_pkthdr.rcvif = ifp;
5272 m->m_data = (caddr_t) (rxwi + 1);
5273 m->m_pkthdr.len = m->m_len = len;
5274
5275 /* check for crc errors */
5276
5277 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5278 {
5279 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5280 "%s: rxdesc: crc error\n",
5281 device_get_nameunit(sc->dev));
5282
5283 ifp->if_ierrors++;
5284
5285 if (!(ifp->if_flags & IFF_PROMISC))
5286 {
5287 m_freem(m);
5288 goto skip;
5289 }
5290 }
5291
5292 wh = (struct ieee80211_frame *) (rxwi + 1);
5293
5294 /* check for cipher errors */
5295
5296 if (desc_flags & RT2860_RXDESC_FLAGS_DECRYPTED)
5297 {
5298 cipher_err = ((desc_flags >> RT2860_RXDESC_FLAGS_CIPHER_ERR_SHIFT) &
5299 RT2860_RXDESC_FLAGS_CIPHER_ERR_MASK);
5300 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_NONE)
5301 {
5302 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5303 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5304
5305 m->m_flags |= M_WEP;
5306
5307 sc->rx_cipher_no_errors++;
5308 }
5309 else
5310 {
5311 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5312 "%s: rxdesc: cipher error=0x%02x\n",
5313 device_get_nameunit(sc->dev), cipher_err);
5314
5315 if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_ICV)
5316 sc->rx_cipher_icv_errors++;
5317 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC)
5318 sc->rx_cipher_mic_errors++;
5319 else if (cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_INVALID_KEY)
5320 sc->rx_cipher_invalid_key_errors++;
5321
5322 if ((cipher_err == RT2860_RXDESC_FLAGS_CIPHER_ERR_MIC) &&
5323 (desc_flags & RT2860_RXDESC_FLAGS_MYBSS))
5324 {
5325 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
5326 if (ni != NULL)
5327 {
5328 keyidx = (rxwi->udf_bssidx_keyidx >> RT2860_RXWI_KEYIDX_SHIFT) &
5329 RT2860_RXWI_KEYIDX_MASK;
5330
5331 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
5332
5333 ieee80211_free_node(ni);
5334 }
5335 }
5336
5337 ifp->if_ierrors++;
5338
5339 if (!(ifp->if_flags & IFF_PROMISC))
5340 {
5341 m_free(m);
5342 goto skip;
5343 }
5344 }
5345 }
5346 else
5347 {
5348 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5349 {
5350 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5351 "%s: rxdesc: not decrypted but protected flag set\n",
5352 device_get_nameunit(sc->dev));
5353
5354 ifp->if_ierrors++;
5355
5356 if (!(ifp->if_flags & IFF_PROMISC))
5357 {
5358 m_free(m);
5359 goto skip;
5360 }
5361 }
5362 }
5363
5364 /* check for A-MPDU */
5365
5366 if (desc_flags & RT2860_RXDESC_FLAGS_AMPDU)
5367 {
5368 m->m_flags |= M_AMPDU;
5369
5370 sc->rx_ampdu++;
5371
5372 ampdu = 1;
5373 }
5374 else
5375 {
5376 ampdu = 0;
5377 }
5378
5379 /* check for A-MSDU */
5380
5381 if (desc_flags & RT2860_RXDESC_FLAGS_AMSDU)
5382 {
5383 sc->rx_amsdu++;
5384
5385 amsdu = 1;
5386 }
5387 else
5388 {
5389 amsdu = 0;
5390 }
5391
5392 ant = rt2860_maxrssi_rxpath(sc, rxwi);
5393 rssi = rxwi->rssi[ant];
5394 rssi_dbm = rt2860_rssi2dbm(sc, rssi, ant);
5395 phymode = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_PHYMODE_SHIFT) &
5396 RT2860_RXWI_PHYMODE_MASK);
5397 bw = ((rxwi->bw_mcs >> RT2860_RXWI_BW_SHIFT) & RT2860_RXWI_BW_MASK);
5398 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2860_RXWI_SHORTGI_SHIFT) &
5399 RT2860_RXWI_SHORTGI_MASK);
5400 mcs = ((rxwi->bw_mcs >> RT2860_RXWI_MCS_SHIFT) & RT2860_RXWI_MCS_MASK);
5401
5402 if (ieee80211_radiotap_active(ic))
5403 {
5404 tap = &sc->rxtap;
5405
5406 tap->flags = (desc_flags & RT2860_RXDESC_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
5407 tap->dbm_antsignal = rssi_dbm;
5408 tap->dbm_antnoise = RT2860_NOISE_FLOOR;
5409 tap->antenna = ant;
5410 tap->antsignal = rssi;
5411 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5412 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5413 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5414 tap->chan_maxpow = 0;
5415
5416 if (phymode == RT2860_TXWI_PHYMODE_HT_MIXED || phymode == RT2860_TXWI_PHYMODE_HT_GF)
5417 tap->rate = mcs | IEEE80211_RATE_MCS;
5418 else
5419 tap->rate = rt2860_rxrate(rxwi);
5420
5421 if (desc_flags & RT2860_RXDESC_FLAGS_CRC_ERR)
5422 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
5423
5424 if (desc_flags & RT2860_RXDESC_FLAGS_FRAG)
5425 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
5426
5427 if (rxwi->bw_mcs & RT2860_RXWI_MCS_SHOTPRE)
5428 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5429
5430 if (shortgi)
5431 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5432 }
5433
5434 /*
5435 * net80211 assumes that RSSI data are in the range [-127..127] and
5436 * in .5 dBm units relative to the current noise floor
5437 */
5438
5439 rssi_dbm_rel = (rssi_dbm - RT2860_NOISE_FLOOR) * 2;
5440 if (rssi_dbm_rel > 127)
5441 rssi_dbm_rel = 127;
5442
5443 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5444 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
5445 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
5446 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
5447 device_get_nameunit(sc->dev),
5448 len, phymode, bw, shortgi, mcs,
5449 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
5450 rxwi->snr[0], rxwi->snr[1],
5451 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
5452
5453 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
5454 if (ni != NULL)
5455 {
5456 rni = (struct rt2860_softc_node *) ni;
5457
5458 for (i = 0; i < RT2860_SOFTC_RSSI_COUNT; i++)
5459 {
5460 rni->last_rssi[i] = rxwi->rssi[i];
5461 rni->last_rssi_dbm[i] = rt2860_rssi2dbm(sc, rxwi->rssi[i], i);
5462 }
5463
5464 ieee80211_input(ni, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5465 ieee80211_free_node(ni);
5466 }
5467 else
5468 {
5469 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2860_NOISE_FLOOR);
5470 }
5471
5472 skip:
5473
5474 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
5475
5476 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5477 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5478
5479 ring->cur = (ring->cur + 1) % RT2860_SOFTC_RX_RING_DATA_COUNT;
5480
5481 limit--;
5482 }
5483
5484 if (ring->cur == 0)
5485 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5486 RT2860_SOFTC_RX_RING_DATA_COUNT - 1);
5487 else
5488 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_RX_CALC_IDX,
5489 ring->cur - 1);
5490
5491 RT2860_DPRINTF(sc, RT2860_DEBUG_RX,
5492 "%s: Rx eof: nframes=%d\n",
5493 device_get_nameunit(sc->dev), nframes);
5494
5495 sc->rx_packets += nframes;
5496
5497 return (limit == 0);
5498 }
5499
5500 /*
5501 * rt2860_tx_eof
5502 */
5503 static void rt2860_tx_eof(struct rt2860_softc *sc,
5504 struct rt2860_softc_tx_ring *ring)
5505 {
5506 struct ifnet *ifp;
5507 struct rt2860_txdesc *desc;
5508 struct rt2860_softc_tx_data *data;
5509 uint32_t index;
5510 int ndescs, nframes;
5511
5512 ifp = sc->ifp;
5513
5514 ndescs = 0;
5515 nframes = 0;
5516
5517 for (;;)
5518 {
5519 index = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_TX_DTX_IDX(ring->qid));
5520 if (ring->desc_next == index)
5521 break;
5522
5523 ndescs++;
5524
5525 rt2860_drain_fifo_stats(sc);
5526
5527 desc = &ring->desc[ring->desc_next];
5528
5529 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5530 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
5531
5532 if (desc->sdl0 & htole16(RT2860_TXDESC_SDL0_LASTSEG) ||
5533 desc->sdl1 & htole16(RT2860_TXDESC_SDL1_LASTSEG))
5534 {
5535 nframes++;
5536
5537 data = &ring->data[ring->data_next];
5538
5539 if (data->m->m_flags & M_TXCB)
5540 ieee80211_process_callback(data->ni, data->m, 0);
5541
5542 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
5543 BUS_DMASYNC_POSTWRITE);
5544 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
5545
5546 m_freem(data->m);
5547
5548 ieee80211_free_node(data->ni);
5549
5550 data->m = NULL;
5551 data->ni = NULL;
5552
5553 ifp->if_opackets++;
5554
5555 RT2860_SOFTC_LOCK(sc);
5556
5557 ring->data_queued--;
5558 ring->data_next = (ring->data_next + 1) % RT2860_SOFTC_TX_RING_DATA_COUNT;
5559
5560 RT2860_SOFTC_UNLOCK(sc);
5561 }
5562
5563 desc->sdl0 &= ~htole16(RT2860_TXDESC_SDL0_DDONE);
5564
5565 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
5566 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
5567
5568 RT2860_SOFTC_LOCK(sc);
5569
5570 ring->desc_queued--;
5571 ring->desc_next = (ring->desc_next + 1) % RT2860_SOFTC_TX_RING_DESC_COUNT;
5572
5573 RT2860_SOFTC_UNLOCK(sc);
5574 }
5575
5576 RT2860_DPRINTF(sc, RT2860_DEBUG_TX,
5577 "%s: Tx eof: qid=%d, ndescs=%d, nframes=%d\n",
5578 device_get_nameunit(sc->dev), ring->qid, ndescs, nframes);
5579 }
5580
5581 /*
5582 * rt2860_update_stats
5583 */
5584 static void rt2860_update_stats(struct rt2860_softc *sc)
5585 {
5586 struct ifnet *ifp;
5587 struct ieee80211com *ic;
5588 struct ieee80211vap *vap;
5589 struct ieee80211_node *ni;
5590 uint32_t stacnt[3];
5591 int beacons, noretryok, retryok, failed, underflows, zerolen;
5592 uint16_t associd;
5593 uint8_t wcid;
5594
5595 ifp = sc->ifp;
5596 ic = ifp->if_l2com;
5597 vap = TAILQ_FIRST(&ic->ic_vaps);
5598
5599 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5600 "%s: update statistic\n",
5601 device_get_nameunit(sc->dev));
5602
5603 rt2860_drain_fifo_stats(sc);
5604
5605 /* read and clear Tx statistic registers */
5606
5607 rt2860_io_mac_read_multi(sc, RT2860_REG_TX_STA_CNT0,
5608 stacnt, sizeof(stacnt));
5609
5610 stacnt[0] = le32toh(stacnt[0]);
5611 stacnt[1] = le32toh(stacnt[1]);
5612 stacnt[2] = le32toh(stacnt[2]);
5613
5614 beacons = stacnt[0] >> 16;
5615 noretryok = stacnt[1] & 0xffff;
5616 retryok = stacnt[1] >> 16;
5617 failed = stacnt[0] & 0xffff;
5618 underflows = stacnt[2] >> 16;
5619 zerolen = stacnt[2] & 0xffff;
5620
5621 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5622 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5623 device_get_nameunit(sc->dev),
5624 beacons, noretryok, retryok, failed, underflows, zerolen);
5625
5626 ifp->if_oerrors += failed;
5627
5628 sc->tx_beacons += beacons;
5629 sc->tx_noretryok += noretryok;
5630 sc->tx_retryok += retryok;
5631 sc->tx_failed += failed;
5632 sc->tx_underflows += underflows;
5633 sc->tx_zerolen += zerolen;
5634
5635 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5636 {
5637 ni = vap->iv_bss;
5638
5639 associd = (ni != NULL) ? ni->ni_associd : 0;
5640 wcid = RT2860_AID2WCID(associd);
5641
5642 rt2860_amrr_tx_update(&sc->amrr_node[wcid],
5643 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5644 }
5645 }
5646
5647 /*
5648 * rt2860_bbp_tuning
5649 */
5650 static void rt2860_bbp_tuning(struct rt2860_softc *sc)
5651 {
5652 struct ifnet *ifp;
5653 struct ieee80211com *ic;
5654 struct ieee80211vap *vap;
5655 struct ieee80211_node *ni;
5656 int chan, group;
5657 int8_t rssi, old, new;
5658
5659 /* RT2860C does not support BBP tuning */
5660
5661 if (sc->mac_rev == 0x28600100)
5662 return;
5663
5664 ifp = sc->ifp;
5665 ic = ifp->if_l2com;
5666 vap = TAILQ_FIRST(&ic->ic_vaps);
5667
5668 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5669 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5670 return;
5671
5672 ni = vap->iv_bss;
5673
5674 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5675
5676 if (chan <= 14)
5677 group = 0;
5678 else if (chan <= 64)
5679 group = 1;
5680 else if (chan <= 128)
5681 group = 2;
5682 else
5683 group = 3;
5684
5685 rssi = ieee80211_getrssi(vap);
5686
5687 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5688 {
5689 new = 0x2e + sc->lna_gain[group];
5690 }
5691 else
5692 {
5693 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5694 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5695 else
5696 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5697 }
5698
5699 /* Tune if absolute average RSSI is greater than -80 */
5700
5701 if (rssi > 30)
5702 new += 0x10;
5703
5704 old = rt2860_io_bbp_read(sc, 66);
5705
5706 if (old != new)
5707 rt2860_io_bbp_write(sc, 66, new);
5708 }
5709
5710 /*
5711 * rt2860_watchdog
5712 */
5713 static void rt2860_watchdog(struct rt2860_softc *sc)
5714 {
5715 uint32_t tmp;
5716 int ntries;
5717
5718 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5719
5720 RT2860_DPRINTF(sc, RT2860_DEBUG_WATCHDOG,
5721 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5722 device_get_nameunit(sc->dev), tmp);
5723
5724 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) != 0)
5725 {
5726 sc->tx_queue_not_empty[0]++;
5727
5728 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40012);
5729
5730 for (ntries = 0; ntries < 10; ntries++)
5731 {
5732 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5733 if (((tmp >> RT2860_REG_TX0Q_PCNT_SHIFT) & RT2860_REG_TX0Q_PCNT_MASK) == 0)
5734 break;
5735
5736 DELAY(1);
5737 }
5738
5739 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5740 }
5741
5742 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) != 0)
5743 {
5744 sc->tx_queue_not_empty[1]++;
5745
5746 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf4000a);
5747
5748 for (ntries = 0; ntries < 10; ntries++)
5749 {
5750 tmp = rt2860_io_mac_read(sc, RT2860_REG_PBF_TXRXQ_PCNT);
5751 if (((tmp >> RT2860_REG_TX1Q_PCNT_SHIFT) & RT2860_REG_TX1Q_PCNT_MASK) == 0)
5752 break;
5753
5754 DELAY(1);
5755 }
5756
5757 rt2860_io_mac_write(sc, RT2860_REG_PBF_CFG, 0xf40006);
5758 }
5759 }
5760
5761 /*
5762 * rt2860_drain_fifo_stats
5763 */
5764 static void rt2860_drain_fifo_stats(struct rt2860_softc *sc)
5765 {
5766 struct ifnet *ifp;
5767 uint32_t stats;
5768 uint8_t wcid, mcs, pid;
5769 int ok, agg, retrycnt;
5770
5771 ifp = sc->ifp;
5772
5773 /* drain Tx status FIFO (maxsize = 16) */
5774
5775 while ((stats = rt2860_io_mac_read(sc, RT2860_REG_TX_STA_FIFO)) &
5776 RT2860_REG_TX_STA_FIFO_VALID)
5777 {
5778 wcid = (stats >> RT2860_REG_TX_STA_FIFO_WCID_SHIFT) &
5779 RT2860_REG_TX_STA_FIFO_WCID_MASK;
5780
5781 /* if no ACK was requested, no feedback is available */
5782
5783 if (!(stats & RT2860_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5784 continue;
5785
5786 /* update AMRR statistic */
5787
5788 ok = (stats & RT2860_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5789 agg = (stats & RT2860_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5790 mcs = (stats >> RT2860_REG_TX_STA_FIFO_MCS_SHIFT) &
5791 RT2860_REG_TX_STA_FIFO_MCS_MASK;
5792 pid = (stats >> RT2860_REG_TX_STA_FIFO_PID_SHIFT) &
5793 RT2860_REG_TX_STA_FIFO_PID_MASK;
5794 retrycnt = pid - mcs;
5795
5796 RT2860_DPRINTF(sc, RT2860_DEBUG_STATS,
5797 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5798 device_get_nameunit(sc->dev),
5799 wcid, ok, agg, mcs, pid, retrycnt);
5800
5801 rt2860_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5802
5803 if (!ok)
5804 ifp->if_oerrors++;
5805 }
5806 }
5807
5808 /*
5809 * rt2860_update_raw_counters
5810 */
5811 static void rt2860_update_raw_counters(struct rt2860_softc *sc)
5812 {
5813 uint32_t tmp;
5814
5815 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT);
5816
5817 sc->tx_nonagg += tmp & 0xffff;
5818 sc->tx_agg += tmp >> 16;
5819
5820 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT0);
5821
5822 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5823
5824 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT1);
5825
5826 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5827
5828 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT2);
5829
5830 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5831
5832 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT3);
5833
5834 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5835
5836 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT4);
5837
5838 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5839
5840 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT5);
5841
5842 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5843
5844 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT6);
5845
5846 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5847
5848 tmp = rt2860_io_mac_read(sc, RT2860_REG_TX_AGG_CNT7);
5849
5850 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5851
5852 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT0);
5853
5854 sc->rx_crc_errors += tmp & 0xffff;
5855 sc->rx_phy_errors += tmp >> 16;
5856
5857 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT1);
5858
5859 sc->rx_false_ccas += tmp & 0xffff;
5860 sc->rx_plcp_errors += tmp >> 16;
5861
5862 tmp = rt2860_io_mac_read(sc, RT2860_REG_RX_STA_CNT2);
5863
5864 sc->rx_dup_packets += tmp & 0xffff;
5865 sc->rx_fifo_overflows += tmp >> 16;
5866
5867 tmp = rt2860_io_mac_read(sc, RT2860_REG_TXRX_MPDU_DEN_CNT);
5868
5869 sc->tx_mpdu_zero_density += tmp & 0xffff;
5870 sc->rx_mpdu_zero_density += tmp >> 16;
5871 }
5872
5873 /*
5874 * rt2860_intr_enable
5875 */
5876 static void rt2860_intr_enable(struct rt2860_softc *sc, uint32_t intr_mask)
5877 {
5878 uint32_t tmp;
5879
5880 sc->intr_disable_mask &= ~intr_mask;
5881
5882 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5883
5884 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5885 }
5886
5887 /*
5888 * rt2860_intr_disable
5889 */
5890 static void rt2860_intr_disable(struct rt2860_softc *sc, uint32_t intr_mask)
5891 {
5892 uint32_t tmp;
5893
5894 sc->intr_disable_mask |= intr_mask;
5895
5896 tmp = sc->intr_enable_mask & ~sc->intr_disable_mask;
5897
5898 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_INT_MASK, tmp);
5899 }
5900
5901 /*
5902 * rt2860_txrx_enable
5903 */
5904 static int rt2860_txrx_enable(struct rt2860_softc *sc)
5905 {
5906 struct ieee80211com *ic;
5907 struct ifnet *ifp;
5908 uint32_t tmp;
5909 int ntries;
5910
5911 ifp = sc->ifp;
5912 ic = ifp->if_l2com;
5913
5914 /* enable Tx/Rx DMA engine */
5915
5916 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL, RT2860_REG_TX_ENABLE);
5917
5918 for (ntries = 0; ntries < 200; ntries++)
5919 {
5920 tmp = rt2860_io_mac_read(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG);
5921 if (!(tmp & (RT2860_REG_TX_DMA_BUSY | RT2860_REG_RX_DMA_BUSY)))
5922 break;
5923
5924 DELAY(1000);
5925 }
5926
5927 if (ntries == 200)
5928 {
5929 printf("%s: timeout waiting for DMA engine\n",
5930 device_get_nameunit(sc->dev));
5931 return -1;
5932 }
5933
5934 DELAY(50);
5935
5936 tmp |= RT2860_REG_TX_WB_DDONE |
5937 RT2860_REG_RX_DMA_ENABLE |
5938 RT2860_REG_TX_DMA_ENABLE |
5939 (RT2860_REG_WPDMA_BT_SIZE64 << RT2860_REG_WPDMA_BT_SIZE_SHIFT);
5940
5941 rt2860_io_mac_write(sc, RT2860_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5942
5943 /* set Rx filter */
5944
5945 tmp = RT2860_REG_RX_FILTER_DROP_CRC_ERR |
5946 RT2860_REG_RX_FILTER_DROP_PHY_ERR;
5947
5948 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5949 {
5950 tmp |= RT2860_REG_RX_FILTER_DROP_DUPL |
5951 RT2860_REG_RX_FILTER_DROP_CTS |
5952 RT2860_REG_RX_FILTER_DROP_BA |
5953 RT2860_REG_RX_FILTER_DROP_ACK |
5954 RT2860_REG_RX_FILTER_DROP_VER_ERR |
5955 RT2860_REG_RX_FILTER_DROP_CTRL_RSV |
5956 RT2860_REG_RX_FILTER_DROP_CFACK |
5957 RT2860_REG_RX_FILTER_DROP_CFEND;
5958
5959 if (ic->ic_opmode == IEEE80211_M_STA)
5960 tmp |= RT2860_REG_RX_FILTER_DROP_RTS |
5961 RT2860_REG_RX_FILTER_DROP_PSPOLL;
5962
5963 if (!(ifp->if_flags & IFF_PROMISC))
5964 tmp |= RT2860_REG_RX_FILTER_DROP_UC_NOME;
5965 }
5966
5967 rt2860_io_mac_write(sc, RT2860_REG_RX_FILTER_CFG, tmp);
5968
5969 rt2860_io_mac_write(sc, RT2860_REG_SYS_CTRL,
5970 RT2860_REG_RX_ENABLE | RT2860_REG_TX_ENABLE);
5971
5972 return 0;
5973 }
5974
5975 /*
5976 * rt2860_alloc_rx_ring
5977 */
5978 static int rt2860_alloc_rx_ring(struct rt2860_softc *sc,
5979 struct rt2860_softc_rx_ring *ring)
5980 {
5981 struct rt2860_rxdesc *desc;
5982 struct rt2860_softc_rx_data *data;
5983 bus_dma_segment_t segs[1];
5984 int i, nsegs, error;
5985
5986 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
5987 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
5988 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc), 1,
5989 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
5990 0, NULL, NULL, &ring->desc_dma_tag);
5991 if (error != 0)
5992 {
5993 printf("%s: could not create Rx desc DMA tag\n",
5994 device_get_nameunit(sc->dev));
5995 goto fail;
5996 }
5997
5998 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
5999 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6000 if (error != 0)
6001 {
6002 printf("%s: could not allocate Rx desc DMA memory\n",
6003 device_get_nameunit(sc->dev));
6004 goto fail;
6005 }
6006
6007 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6008 ring->desc,
6009 RT2860_SOFTC_RX_RING_DATA_COUNT * sizeof(struct rt2860_rxdesc),
6010 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6011 if (error != 0)
6012 {
6013 printf("%s: could not load Rx desc DMA map\n",
6014 device_get_nameunit(sc->dev));
6015 goto fail;
6016 }
6017
6018 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6019 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6020 MJUMPAGESIZE, 1, MJUMPAGESIZE, 0, NULL, NULL,
6021 &ring->data_dma_tag);
6022 if (error != 0)
6023 {
6024 printf("%s: could not create Rx data DMA tag\n",
6025 device_get_nameunit(sc->dev));
6026 goto fail;
6027 }
6028
6029 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6030 {
6031 desc = &ring->desc[i];
6032 data = &ring->data[i];
6033
6034 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6035 if (error != 0)
6036 {
6037 printf("%s: could not create Rx data DMA map\n",
6038 device_get_nameunit(sc->dev));
6039 goto fail;
6040 }
6041
6042 data->m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
6043 if (data->m == NULL)
6044 {
6045 printf("%s: could not allocate Rx mbuf\n",
6046 device_get_nameunit(sc->dev));
6047 error = ENOMEM;
6048 goto fail;
6049 }
6050
6051 data->m->m_len = data->m->m_pkthdr.len = MJUMPAGESIZE;
6052
6053 error = bus_dmamap_load_mbuf_sg(ring->data_dma_tag, data->dma_map,
6054 data->m, segs, &nsegs, BUS_DMA_NOWAIT);
6055 if (error != 0)
6056 {
6057 printf("%s: could not load Rx mbuf DMA map\n",
6058 device_get_nameunit(sc->dev));
6059 goto fail;
6060 }
6061
6062 KASSERT(nsegs == 1, ("%s: too many DMA segments",
6063 device_get_nameunit(sc->dev)));
6064
6065 desc->sdp0 = htole32(segs[0].ds_addr);
6066 desc->sdl0 = htole16(MJUMPAGESIZE);
6067 }
6068
6069 error = bus_dmamap_create(ring->data_dma_tag, 0, &ring->spare_dma_map);
6070 if (error != 0)
6071 {
6072 printf("%s: could not create Rx spare DMA map\n",
6073 device_get_nameunit(sc->dev));
6074 goto fail;
6075 }
6076
6077 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6078 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6079
6080 return 0;
6081
6082 fail:
6083
6084 rt2860_free_rx_ring(sc, ring);
6085
6086 return error;
6087 }
6088
6089 /*
6090 * rt2860_reset_rx_ring
6091 */
6092 static void rt2860_reset_rx_ring(struct rt2860_softc *sc,
6093 struct rt2860_softc_rx_ring *ring)
6094 {
6095 struct rt2860_rxdesc *desc;
6096 int i;
6097
6098 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6099 {
6100 desc = &ring->desc[i];
6101
6102 desc->sdl0 &= ~htole16(RT2860_RXDESC_SDL0_DDONE);
6103 }
6104
6105 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6106 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
6107
6108 ring->cur = 0;
6109 }
6110
6111 /*
6112 * rt2860_free_rx_ring
6113 */
6114 static void rt2860_free_rx_ring(struct rt2860_softc *sc,
6115 struct rt2860_softc_rx_ring *ring)
6116 {
6117 struct rt2860_softc_rx_data *data;
6118 int i;
6119
6120 if (ring->desc != NULL)
6121 {
6122 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6123 BUS_DMASYNC_POSTWRITE);
6124 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6125 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6126 ring->desc_dma_map);
6127 }
6128
6129 if (ring->desc_dma_tag != NULL)
6130 bus_dma_tag_destroy(ring->desc_dma_tag);
6131
6132 for (i = 0; i < RT2860_SOFTC_RX_RING_DATA_COUNT; i++)
6133 {
6134 data = &ring->data[i];
6135
6136 if (data->m != NULL)
6137 {
6138 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6139 BUS_DMASYNC_POSTREAD);
6140 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6141 m_freem(data->m);
6142 }
6143
6144 if (data->dma_map != NULL)
6145 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6146 }
6147
6148 if (ring->spare_dma_map != NULL)
6149 bus_dmamap_destroy(ring->data_dma_tag, ring->spare_dma_map);
6150
6151 if (ring->data_dma_tag != NULL)
6152 bus_dma_tag_destroy(ring->data_dma_tag);
6153 }
6154
6155 /*
6156 * rt2860_alloc_tx_ring
6157 */
6158 static int rt2860_alloc_tx_ring(struct rt2860_softc *sc,
6159 struct rt2860_softc_tx_ring *ring, int qid)
6160 {
6161 struct rt2860_softc_tx_data *data;
6162 int error, i;
6163
6164 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6165 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6166 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc), 1,
6167 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6168 0, NULL, NULL, &ring->desc_dma_tag);
6169 if (error != 0)
6170 {
6171 printf("%s: could not create Tx desc DMA tag\n",
6172 device_get_nameunit(sc->dev));
6173 goto fail;
6174 }
6175
6176 error = bus_dmamem_alloc(ring->desc_dma_tag, (void **) &ring->desc,
6177 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_dma_map);
6178 if (error != 0)
6179 {
6180 printf("%s: could not allocate Tx desc DMA memory\n",
6181 device_get_nameunit(sc->dev));
6182 goto fail;
6183 }
6184
6185 error = bus_dmamap_load(ring->desc_dma_tag, ring->desc_dma_map,
6186 ring->desc,
6187 RT2860_SOFTC_TX_RING_DESC_COUNT * sizeof(struct rt2860_txdesc),
6188 rt2860_dma_map_addr, &ring->desc_phys_addr, 0);
6189 if (error != 0)
6190 {
6191 printf("%s: could not load Tx desc DMA map\n",
6192 device_get_nameunit(sc->dev));
6193 goto fail;
6194 }
6195
6196 ring->desc_queued = 0;
6197 ring->desc_cur = 0;
6198 ring->desc_next = 0;
6199
6200 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6201 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6202 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE, 1,
6203 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6204 0, NULL, NULL, &ring->seg0_dma_tag);
6205 if (error != 0)
6206 {
6207 printf("%s: could not create Tx seg0 DMA tag\n",
6208 device_get_nameunit(sc->dev));
6209 goto fail;
6210 }
6211
6212 error = bus_dmamem_alloc(ring->seg0_dma_tag, (void **) &ring->seg0,
6213 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->seg0_dma_map);
6214 if (error != 0)
6215 {
6216 printf("%s: could not allocate Tx seg0 DMA memory\n",
6217 device_get_nameunit(sc->dev));
6218 goto fail;
6219 }
6220
6221 error = bus_dmamap_load(ring->seg0_dma_tag, ring->seg0_dma_map,
6222 ring->seg0,
6223 RT2860_SOFTC_TX_RING_DATA_COUNT * RT2860_TX_DATA_SEG0_SIZE,
6224 rt2860_dma_map_addr, &ring->seg0_phys_addr, 0);
6225 if (error != 0)
6226 {
6227 printf("%s: could not load Tx seg0 DMA map\n",
6228 device_get_nameunit(sc->dev));
6229 goto fail;
6230 }
6231
6232 error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), PAGE_SIZE, 0,
6233 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
6234 MJUMPAGESIZE, RT2860_SOFTC_MAX_SCATTER, MJUMPAGESIZE, 0, NULL, NULL,
6235 &ring->data_dma_tag);
6236 if (error != 0)
6237 {
6238 printf("%s: could not create Tx data DMA tag\n",
6239 device_get_nameunit(sc->dev));
6240 goto fail;
6241 }
6242
6243 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6244 {
6245 data = &ring->data[i];
6246
6247 error = bus_dmamap_create(ring->data_dma_tag, 0, &data->dma_map);
6248 if (error != 0)
6249 {
6250 printf("%s: could not create Tx data DMA map\n",
6251 device_get_nameunit(sc->dev));
6252 goto fail;
6253 }
6254 }
6255
6256 ring->data_queued = 0;
6257 ring->data_cur = 0;
6258 ring->data_next = 0;
6259
6260 ring->qid = qid;
6261
6262 return 0;
6263
6264 fail:
6265
6266 rt2860_free_tx_ring(sc, ring);
6267
6268 return error;
6269 }
6270
6271 /*
6272 * rt2860_reset_tx_ring
6273 */
6274 static void rt2860_reset_tx_ring(struct rt2860_softc *sc,
6275 struct rt2860_softc_tx_ring *ring)
6276 {
6277 struct rt2860_softc_tx_data *data;
6278 struct rt2860_txdesc *desc;
6279 int i;
6280
6281 for (i = 0; i < RT2860_SOFTC_TX_RING_DESC_COUNT; i++)
6282 {
6283 desc = &ring->desc[i];
6284
6285 desc->sdl0 = 0;
6286 desc->sdl1 = 0;
6287 }
6288
6289 ring->desc_queued = 0;
6290 ring->desc_cur = 0;
6291 ring->desc_next = 0;
6292
6293 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6294 BUS_DMASYNC_PREWRITE);
6295
6296 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6297 BUS_DMASYNC_PREWRITE);
6298
6299 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6300 {
6301 data = &ring->data[i];
6302
6303 if (data->m != NULL)
6304 {
6305 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6306 BUS_DMASYNC_POSTWRITE);
6307 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6308 m_freem(data->m);
6309 data->m = NULL;
6310 }
6311
6312 if (data->ni != NULL)
6313 {
6314 ieee80211_free_node(data->ni);
6315 data->ni = NULL;
6316 }
6317 }
6318
6319 ring->data_queued = 0;
6320 ring->data_cur = 0;
6321 ring->data_next = 0;
6322 }
6323
6324 /*
6325 * rt2860_free_tx_ring
6326 */
6327 static void rt2860_free_tx_ring(struct rt2860_softc *sc,
6328 struct rt2860_softc_tx_ring *ring)
6329 {
6330 struct rt2860_softc_tx_data *data;
6331 int i;
6332
6333 if (ring->desc != NULL)
6334 {
6335 bus_dmamap_sync(ring->desc_dma_tag, ring->desc_dma_map,
6336 BUS_DMASYNC_POSTWRITE);
6337 bus_dmamap_unload(ring->desc_dma_tag, ring->desc_dma_map);
6338 bus_dmamem_free(ring->desc_dma_tag, ring->desc,
6339 ring->desc_dma_map);
6340 }
6341
6342 if (ring->desc_dma_tag != NULL)
6343 bus_dma_tag_destroy(ring->desc_dma_tag);
6344
6345 if (ring->seg0 != NULL)
6346 {
6347 bus_dmamap_sync(ring->seg0_dma_tag, ring->seg0_dma_map,
6348 BUS_DMASYNC_POSTWRITE);
6349 bus_dmamap_unload(ring->seg0_dma_tag, ring->seg0_dma_map);
6350 bus_dmamem_free(ring->seg0_dma_tag, ring->seg0,
6351 ring->seg0_dma_map);
6352 }
6353
6354 if (ring->seg0_dma_tag != NULL)
6355 bus_dma_tag_destroy(ring->seg0_dma_tag);
6356
6357 for (i = 0; i < RT2860_SOFTC_TX_RING_DATA_COUNT; i++)
6358 {
6359 data = &ring->data[i];
6360
6361 if (data->m != NULL)
6362 {
6363 bus_dmamap_sync(ring->data_dma_tag, data->dma_map,
6364 BUS_DMASYNC_POSTWRITE);
6365 bus_dmamap_unload(ring->data_dma_tag, data->dma_map);
6366 m_freem(data->m);
6367 }
6368
6369 if (data->ni != NULL)
6370 ieee80211_free_node(data->ni);
6371
6372 if (data->dma_map != NULL)
6373 bus_dmamap_destroy(ring->data_dma_tag, data->dma_map);
6374 }
6375
6376 if (ring->data_dma_tag != NULL)
6377 bus_dma_tag_destroy(ring->data_dma_tag);
6378 }
6379
6380 /*
6381 * rt2860_dma_map_addr
6382 */
6383 static void rt2860_dma_map_addr(void *arg, bus_dma_segment_t *segs,
6384 int nseg, int error)
6385 {
6386 if (error != 0)
6387 return;
6388
6389 KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
6390
6391 *(bus_addr_t *) arg = segs[0].ds_addr;
6392 }
6393
6394 /*
6395 * rt2860_sysctl_attach
6396 */
6397 static void rt2860_sysctl_attach(struct rt2860_softc *sc)
6398 {
6399 struct sysctl_ctx_list *ctx;
6400 struct sysctl_oid *tree;
6401 struct sysctl_oid *stats;
6402
6403 ctx = device_get_sysctl_ctx(sc->dev);
6404 tree = device_get_sysctl_tree(sc->dev);
6405
6406 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6407 "stats", CTLFLAG_RD, 0, "statistic");
6408
6409 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6410 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6411 "all interrupts");
6412
6413 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6414 "tx_coherent_interrupts", CTLFLAG_RD, &sc->tx_coherent_interrupts, 0,
6415 "Tx coherent interrupts");
6416
6417 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6418 "rx_coherent_interrupts", CTLFLAG_RD, &sc->rx_coherent_interrupts, 0,
6419 "Rx coherent interrupts");
6420
6421 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6422 "txrx_coherent_interrupts", CTLFLAG_RD, &sc->txrx_coherent_interrupts, 0,
6423 "Tx/Rx coherent interrupts");
6424
6425 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6426 "fifo_sta_full_interrupts", CTLFLAG_RD, &sc->fifo_sta_full_interrupts, 0,
6427 "FIFO statistic full interrupts");
6428
6429 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6430 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6431 "Rx interrupts");
6432
6433 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6434 "rx_delay_interrupts", CTLFLAG_RD, &sc->rx_delay_interrupts, 0,
6435 "Rx delay interrupts");
6436
6437 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6438 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6439 "Tx MGMT interrupts");
6440
6441 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6442 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6443 "Tx HCCA interrupts");
6444
6445 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6446 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6447 "Tx AC3 interrupts");
6448
6449 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6450 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6451 "Tx AC2 interrupts");
6452
6453 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6454 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6455 "Tx AC1 interrupts");
6456
6457 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6458 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6459 "Tx AC0 interrupts");
6460
6461 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6462 "tx_delay_interrupts", CTLFLAG_RD, &sc->tx_delay_interrupts, 0,
6463 "Tx delay interrupts");
6464
6465 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6466 "pre_tbtt_interrupts", CTLFLAG_RD, &sc->pre_tbtt_interrupts, 0,
6467 "Pre-TBTT interrupts");
6468
6469 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6470 "tbtt_interrupts", CTLFLAG_RD, &sc->tbtt_interrupts, 0,
6471 "TBTT interrupts");
6472
6473 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6474 "mcu_cmd_interrupts", CTLFLAG_RD, &sc->mcu_cmd_interrupts, 0,
6475 "MCU command interrupts");
6476
6477 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6478 "auto_wakeup_interrupts", CTLFLAG_RD, &sc->auto_wakeup_interrupts, 0,
6479 "auto wakeup interrupts");
6480
6481 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6482 "gp_timer_interrupts", CTLFLAG_RD, &sc->gp_timer_interrupts, 0,
6483 "GP timer interrupts");
6484
6485 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6486 "tx_mgmt_desc_queued", CTLFLAG_RD, &sc->tx_ring[5].desc_queued, 0,
6487 "Tx MGMT descriptors queued");
6488
6489 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6490 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].data_queued, 0,
6491 "Tx MGMT data queued");
6492
6493 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6494 "tx_hcca_desc_queued", CTLFLAG_RD, &sc->tx_ring[4].desc_queued, 0,
6495 "Tx HCCA descriptors queued");
6496
6497 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6498 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].data_queued, 0,
6499 "Tx HCCA data queued");
6500
6501 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6502 "tx_ac3_desc_queued", CTLFLAG_RD, &sc->tx_ring[3].desc_queued, 0,
6503 "Tx AC3 descriptors queued");
6504
6505 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6506 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].data_queued, 0,
6507 "Tx AC3 data queued");
6508
6509 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6510 "tx_ac2_desc_queued", CTLFLAG_RD, &sc->tx_ring[2].desc_queued, 0,
6511 "Tx AC2 descriptors queued");
6512
6513 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6514 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].data_queued, 0,
6515 "Tx AC2 data queued");
6516
6517 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6518 "tx_ac1_desc_queued", CTLFLAG_RD, &sc->tx_ring[1].desc_queued, 0,
6519 "Tx AC1 descriptors queued");
6520
6521 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6522 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].data_queued, 0,
6523 "Tx AC1 data queued");
6524
6525 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6526 "tx_ac0_desc_queued", CTLFLAG_RD, &sc->tx_ring[0].desc_queued, 0,
6527 "Tx AC0 descriptors queued");
6528
6529 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6530 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].data_queued, 0,
6531 "Tx AC0 data queued");
6532
6533 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6534 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6535 "Tx MGMT data queue full");
6536
6537 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6538 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6539 "Tx HCCA data queue full");
6540
6541 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6542 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6543 "Tx AC3 data queue full");
6544
6545 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6546 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6547 "Tx AC2 data queue full");
6548
6549 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6550 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6551 "Tx AC1 data queue full");
6552
6553 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6554 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6555 "Tx AC0 data queue full");
6556
6557 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6558 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6559 "Tx watchdog timeouts");
6560
6561 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6562 "tx_defrag_packets", CTLFLAG_RD, &sc->tx_defrag_packets, 0,
6563 "Tx defragmented packets");
6564
6565 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6566 "no_tx_desc_avail", CTLFLAG_RD, &sc->no_tx_desc_avail, 0,
6567 "no Tx descriptors available");
6568
6569 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6570 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6571 "Rx mbuf allocation errors");
6572
6573 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6574 "rx_mbuf_dmamap_errors", CTLFLAG_RD, &sc->rx_mbuf_dmamap_errors, 0,
6575 "Rx mbuf DMA mapping errors");
6576
6577 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6578 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6579 "Tx queue 0 not empty");
6580
6581 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6582 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6583 "Tx queue 1 not empty");
6584
6585 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6586 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6587 "Tx beacons");
6588
6589 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6590 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6591 "Tx successfull without retries");
6592
6593 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6594 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6595 "Tx successfull with retries");
6596
6597 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6598 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6599 "Tx failed");
6600
6601 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6602 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6603 "Tx underflows");
6604
6605 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6606 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6607 "Tx zero length");
6608
6609 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6610 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6611 "Tx non-aggregated");
6612
6613 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6614 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6615 "Tx aggregated");
6616
6617 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6618 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6619 "Tx A-MPDU");
6620
6621 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6622 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6623 "Tx MPDU with zero density");
6624
6625 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6626 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6627 "Rx packets");
6628
6629 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6630 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6631 "Rx A-MPDU");
6632
6633 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6634 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6635 "Rx MPDU with zero density");
6636
6637 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6638 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6639 "Rx A-MSDU");
6640
6641 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6642 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6643 "Rx CRC errors");
6644
6645 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6646 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6647 "Rx PHY errors");
6648
6649 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6650 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6651 "Rx false CCAs");
6652
6653 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6654 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6655 "Rx PLCP errors");
6656
6657 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6658 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6659 "Rx duplicate packets");
6660
6661 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6662 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6663 "Rx FIFO overflows");
6664
6665 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6666 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6667 "Rx cipher no errors");
6668
6669 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6670 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6671 "Rx cipher ICV errors");
6672
6673 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6674 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6675 "Rx cipher MIC errors");
6676
6677 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6678 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6679 "Rx cipher invalid key errors");
6680 }
6681
6682 static device_method_t rt2860_dev_methods[] =
6683 {
6684 DEVMETHOD(device_probe, rt2860_probe),
6685 DEVMETHOD(device_attach, rt2860_attach),
6686 DEVMETHOD(device_detach, rt2860_detach),
6687 DEVMETHOD(device_shutdown, rt2860_shutdown),
6688 DEVMETHOD(device_suspend, rt2860_suspend),
6689 DEVMETHOD(device_resume, rt2860_resume),
6690 { 0, 0 }
6691 };
6692
6693 static driver_t rt2860_driver =
6694 {
6695 "rt2860",
6696 rt2860_dev_methods,
6697 sizeof(struct rt2860_softc)
6698 };
6699
6700 static devclass_t rt2860_dev_class;
6701
6702 DRIVER_MODULE(rt2860, pci, rt2860_driver, rt2860_dev_class, 0, 0);
6703
6704 MODULE_DEPEND(rt2860, pci, 1, 1, 1);
6705 MODULE_DEPEND(rt2860, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2860