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Do not clear key tables during initialization
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blobcd74529e5d9993d05f9b8be1371494e2b064a841
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 "rt2870_softc.h"
20 #include "rt2870_reg.h"
21 #include "rt2870_eeprom.h"
22 #include "rt2870_ucode.h"
23 #include "rt2870_rxwi.h"
24 #include "rt2870_rxinfo.h"
25 #include "rt2870_txinfo.h"
26 #include "rt2870_txwi.h"
27 #include "rt2870_read_eeprom.h"
28 #include "rt2870_io.h"
29 #include "rt2870_rf.h"
30 #include "rt2870_led.h"
31 #include "rt2870_debug.h"
32
33 /*
34 * Defines and macros
35 */
36
37 #define USB_PRODUCT_LINKSYS4_WUSB600N 0x0071
38 #define USB_PRODUCT_DLINK2_DWA140 0x3c09
39 #define USB_PRODUCT_DLINK2_DWA160AREVB 0x3c11
40 #define USB_PRODUCT_ASUS_RT2770F 0x1742
41 #define USB_PRODUCT_RALINK_RT2770 0x2770
42
43 #define RT2870_USB_CONFIG_INDEX 0
44 #define RT2870_USB_IFACE_INDEX 0
45
46 #define RT2870_USB_REQ_MAC_READ_MULTI 0x07
47
48 /* packet length + Rx wireless info + Rx info */
49 #define RT2870_RX_DESC_SIZE \
50 (sizeof(uint32_t) + sizeof(struct rt2870_rxwi) + sizeof(struct rt2870_rxinfo))
51
52 /* Tx info + Tx wireless info + max padding */
53 #define RT2870_TX_DESC_SIZE \
54 (sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + 11)
55
56 #define RT2870_MAX_AGG_SIZE 3840
57
58 #define RT2870_USB_RX_BULK_BUFLEN (2048 * 12)
59
60 #define RT2870_NOISE_FLOOR -95
61
62 #define RT2870_AID2WCID(aid) ((aid) & 0xff)
63
64 #define RT2870_ACK_SIZE 14
65
66 #define IEEE80211_HAS_ADDR4(wh) \
67 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
68
69 #define RT2870_MS(_v, _f) (((_v) & _f) >> _f##_S)
70 #define RT2870_SM(_v, _f) (((_v) << _f##_S) & _f)
71
72 #define RT2870_USB_XFER_TIMEOUT 5000
73
74 #define RT2870_TX_WATCHDOG_TIMEOUT 5
75
76 /*
77 * Data structures and types
78 */
79
80 struct rt2870_cmd_argv_keyset
81 {
82 struct ieee80211_key key;
83 uint16_t associd;
84 };
85
86 struct rt2870_cmd_argv_keydelete
87 {
88 struct ieee80211_key key;
89 uint16_t associd;
90 };
91
92 /*
93 * Static function prototypes
94 */
95
96 static void rt2870_init_channels(struct rt2870_softc *sc);
97
98 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
99
100 static void rt2870_init_locked(void *priv);
101
102 static void rt2870_init(void *priv);
103
104 static int rt2870_init_bbp(struct rt2870_softc *sc);
105
106 static void rt2870_stop_locked(void *priv);
107
108 static void rt2870_stop(void *priv);
109
110 static void rt2870_start(struct ifnet *ifp);
111
112 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
113
114 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
115 const char name[IFNAMSIZ], int unit, int opmode, int flags,
116 const uint8_t bssid[IEEE80211_ADDR_LEN],
117 const uint8_t mac[IEEE80211_ADDR_LEN]);
118
119 static void rt2870_vap_delete(struct ieee80211vap *vap);
120
121 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd);
122
123 static int rt2870_vap_newstate(struct ieee80211vap *vap,
124 enum ieee80211_state nstate, int arg);
125
126 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap);
127
128 static void rt2870_vap_key_update_end(struct ieee80211vap *vap);
129
130 static int rt2870_vap_key_set(struct ieee80211vap *vap,
131 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
132
133 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
134 const struct ieee80211_key *k);
135
136 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what);
137
138 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
139 const uint8_t mac[IEEE80211_ADDR_LEN]);
140
141 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
142 struct ieee80211_mimo_info *mi);
143
144 static int rt2870_setregdomain(struct ieee80211com *ic,
145 struct ieee80211_regdomain *reg,
146 int nchans, struct ieee80211_channel chans[]);
147
148 static void rt2870_getradiocaps(struct ieee80211com *ic,
149 int maxchans, int *nchans, struct ieee80211_channel chans[]);
150
151 static void rt2870_scan_start(struct ieee80211com *ic);
152
153 static void rt2870_scan_end(struct ieee80211com *ic);
154
155 static void rt2870_set_channel(struct ieee80211com *ic);
156
157 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
158
159 static void rt2870_updateslot(struct ifnet *ifp);
160
161 static void rt2870_update_promisc(struct ifnet *ifp);
162
163 static void rt2870_update_mcast(struct ifnet *ifp);
164
165 static int rt2870_wme_update(struct ieee80211com *ic);
166
167 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
168 const struct ieee80211_bpf_params *params);
169
170 static int rt2870_recv_action(struct ieee80211_node *ni,
171 const struct ieee80211_frame *wh,
172 const uint8_t *frm, const uint8_t *efrm);
173
174 static int rt2870_send_action(struct ieee80211_node *ni,
175 int cat, int act, void *sa);
176
177 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
178
179 static void rt2870_periodic(void *arg);
180
181 static void rt2870_tx_watchdog(void *arg);
182
183 static int rt2870_do_async(struct rt2870_softc *sc,
184 void (*cb)(struct rt2870_softc *sc, void *arg),
185 void *arg, int len);
186
187 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
188
189 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
190
191 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg);
192
193 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
194
195 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
196
197 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
198 const uint8_t *bssid);
199
200 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
201 const uint8_t *addr);
202
203 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
204
205 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
206
207 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
208
209 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
210
211 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
212
213 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
214
215 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
216
217 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
218
219 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
220
221 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
222
223 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
224
225 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
226 struct ieee80211vap *vap);
227
228 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
229
230 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
231 struct ieee80211vap *vap);
232
233 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
234
235 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
236 const struct rt2870_rxwi *rxwi);
237
238 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
239 uint8_t rssi, uint8_t rxpath);
240
241 static uint8_t rt2870_rate2mcs(uint8_t rate);
242
243 static void rt2870_rx_frame(struct rt2870_softc *sc,
244 uint8_t *buf, uint32_t dmalen);
245
246 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
247 struct mbuf *m, struct ieee80211_node *ni, int qid);
248
249 static int rt2870_tx_data(struct rt2870_softc *sc,
250 struct mbuf *m, struct ieee80211_node *ni, int qid);
251
252 static int rt2870_tx_raw(struct rt2870_softc *sc,
253 struct mbuf *m, struct ieee80211_node *ni,
254 const struct ieee80211_bpf_params *params);
255
256 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
257
258 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
259
260 static void rt2870_rx_done_task(void *context, int pending);
261
262 static void rt2870_tx_done_task(void *context, int pending);
263
264 static void rt2870_periodic_task(void *context, int pending);
265
266 static void rt2870_cmd_task(void *context, int pending);
267
268 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
269
270 static void rt2870_tx_eof(struct rt2870_softc *sc,
271 struct rt2870_softc_tx_ring *ring);
272
273 static void rt2870_update_stats(struct rt2870_softc *sc);
274
275 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
276
277 static void rt2870_watchdog(struct rt2870_softc *sc);
278
279 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
280
281 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
282
283 static int rt2870_txrx_enable(struct rt2870_softc *sc);
284
285 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
286 struct rt2870_softc_rx_ring *ring);
287
288 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
289 struct rt2870_softc_rx_ring *ring);
290
291 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
292 struct rt2870_softc_rx_ring *ring);
293
294 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
295 struct rt2870_softc_tx_ring *ring, int qid);
296
297 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
298 struct rt2870_softc_tx_ring *ring);
299
300 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
301 struct rt2870_softc_tx_ring *ring);
302
303 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
304 struct rt2870_softc_cmd_ring *ring);
305
306 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
307
308 /*
309 * Static variables
310 */
311
312 static const struct usb_device_id rt2870_usb_devid[] =
313 {
314 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
315 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
316 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
317 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
318 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
319 };
320
321 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
322 {
323 {
324 .type = UE_BULK,
325 .endpoint = 0x01,
326 .direction = UE_DIR_IN,
327 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
328 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
329 .callback = rt2870_rx_intr,
330 },
331 {
332 .type = UE_BULK,
333 .endpoint = 0x01,
334 .direction = UE_DIR_OUT,
335 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
336 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
337 .callback = rt2870_tx_intr,
338 .timeout = RT2870_USB_XFER_TIMEOUT,
339 },
340 {
341 .type = UE_BULK,
342 .endpoint = 0x02,
343 .direction = UE_DIR_OUT,
344 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
345 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
346 .callback = rt2870_tx_intr,
347 .timeout = RT2870_USB_XFER_TIMEOUT,
348 },
349 {
350 .type = UE_BULK,
351 .endpoint = 0x03,
352 .direction = UE_DIR_OUT,
353 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
354 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
355 .callback = rt2870_tx_intr,
356 .timeout = RT2870_USB_XFER_TIMEOUT,
357 },
358 {
359 .type = UE_BULK,
360 .endpoint = 0x04,
361 .direction = UE_DIR_OUT,
362 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
363 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
364 .callback = rt2870_tx_intr,
365 .timeout = RT2870_USB_XFER_TIMEOUT,
366 },
367 {
368 .type = UE_BULK,
369 .endpoint = 0x05,
370 .direction = UE_DIR_OUT,
371 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
372 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
373 .callback = rt2870_tx_intr,
374 .timeout = RT2870_USB_XFER_TIMEOUT,
375 },
376 {
377 .type = UE_BULK,
378 .endpoint = 0x06,
379 .direction = UE_DIR_OUT,
380 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
381 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
382 .callback = rt2870_tx_intr,
383 .timeout = RT2870_USB_XFER_TIMEOUT,
384 },
385 };
386
387 static const struct
388 {
389 uint32_t reg;
390 uint32_t val;
391 } rt2870_def_mac[] =
392 {
393 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
394 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
395 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
396 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
397 { RT2870_REG_SYS_CTRL, 0x00000000 },
398 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
399 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
400 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
401 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
402 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
403 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
404 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
405 { RT2870_REG_LED_CFG, 0x7f031e46 },
406 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
407 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
408 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
409 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
410 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
411 { RT2870_REG_PBF_CFG, 0x00f40006 },
412 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
413 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
414 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
415 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
416 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
417 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
418 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
419 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
420 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
421 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
422 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
423 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
424 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
425 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
426 };
427
428 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
429
430 static const struct
431 {
432 uint8_t reg;
433 uint8_t val;
434 } rt2870_def_bbp[] =
435 {
436 { 65, 0x2c },
437 { 66, 0x38 },
438 { 69, 0x12 },
439 { 70, 0x0a },
440 { 73, 0x10 },
441 { 81, 0x37 },
442 { 82, 0x62 },
443 { 83, 0x6a },
444 { 84, 0x99 },
445 { 86, 0x00 },
446 { 91, 0x04 },
447 { 92, 0x00 },
448 { 103, 0x00 },
449 { 105, 0x05 },
450 { 106, 0x35 },
451 };
452
453 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
454
455 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
456
457 #ifdef RT2870_DEBUG
458 static int rt2870_debug = 0;
459 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
460 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
461 #endif
462
463 /*
464 * rt2870_probe
465 */
466 static int rt2870_probe(device_t dev)
467 {
468 struct usb_attach_arg *uaa;
469
470 uaa = device_get_ivars(dev);
471
472 if (uaa->usb_mode != USB_MODE_HOST)
473 return ENXIO;
474
475 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
476 return ENXIO;
477
478 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
479 return ENXIO;
480
481 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
482 sizeof(rt2870_usb_devid), uaa));
483 }
484
485 /*
486 * rt2870_attach
487 */
488 static int rt2870_attach(device_t dev)
489 {
490 struct rt2870_softc *sc;
491 struct usb_attach_arg *uaa;
492 usb_error_t usb_error;
493 struct ieee80211com *ic;
494 struct ifnet *ifp;
495 struct usb_interface *iface;
496 struct usb_interface_descriptor *iface_desc;
497 uint8_t iface_index;
498 int error, ntries, i;
499
500 sc = device_get_softc(dev);
501 uaa = device_get_ivars(dev);
502
503 sc->dev = dev;
504 sc->usb_dev = uaa->device;
505
506 device_set_usb_desc(dev);
507
508 #ifdef RT2870_DEBUG
509 sc->debug = rt2870_debug;
510
511 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
512 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
513 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
514 #endif
515
516 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
517 "%s: attaching\n",
518 device_get_nameunit(sc->dev));
519
520 iface_index = RT2870_USB_IFACE_INDEX;
521
522 iface = usbd_get_iface(uaa->device, iface_index);
523 if (iface == NULL)
524 {
525 printf("%s: could not get USB interface\n",
526 device_get_nameunit(sc->dev));
527 return ENXIO;
528 }
529
530 iface_desc = usbd_get_interface_descriptor(iface);
531 if (iface_desc == NULL)
532 {
533 printf("%s: could not get USB interface descriptor\n",
534 device_get_nameunit(sc->dev));
535 return ENXIO;
536 }
537
538 sc->usb_endpoints = iface_desc->bNumEndpoints;
539 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
540 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
541 {
542 printf("%s: wrong number of USB endpoints=%d\n",
543 device_get_nameunit(sc->dev), sc->usb_endpoints);
544 return ENXIO;
545 }
546
547 mtx_init(&sc->lock, device_get_nameunit(dev),
548 MTX_NETWORK_LOCK, MTX_DEF);
549
550 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
551 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
552 sc, &sc->lock);
553 if (usb_error != 0)
554 {
555 printf("%s: could not allocate USB transfers: error=%s\n",
556 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
557 error = ENXIO;
558 goto fail;
559 }
560
561 RT2870_SOFTC_LOCK(sc);
562
563 for (ntries = 0; ntries < 100; ntries++)
564 {
565 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
566 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
567 break;
568
569 DELAY(10);
570 }
571
572 if (ntries == 100)
573 {
574 printf("%s: timeout waiting for NIC to initialize\n",
575 device_get_nameunit(sc->dev));
576 error = ENXIO;
577 goto fail;
578 }
579
580 rt2870_read_eeprom(sc);
581
582 RT2870_SOFTC_UNLOCK(sc);
583
584 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
585 device_get_nameunit(sc->dev), sc->mac_rev,
586 rt2870_rf_name(sc->rf_rev));
587
588 /* allocate Tx and Rx rings */
589
590 for (i = 0; i < sc->usb_endpoints - 1; i++)
591 {
592 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
593 if (error != 0)
594 {
595 printf("%s: could not allocate Tx ring #%d\n",
596 device_get_nameunit(sc->dev), i);
597 goto fail;
598 }
599 }
600
601 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
602 sc->tx_ring_mgtqid = 5;
603 else
604 sc->tx_ring_mgtqid = 0;
605
606 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
607 if (error != 0)
608 {
609 printf("%s: could not allocate Rx ring\n",
610 device_get_nameunit(sc->dev));
611 goto fail;
612 }
613
614 callout_init(&sc->periodic_ch, 0);
615 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
616
617 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
618 if (ifp == NULL)
619 {
620 printf("%s: could not if_alloc()\n",
621 device_get_nameunit(sc->dev));
622 error = ENOMEM;
623 goto fail;
624 }
625
626 ifp->if_softc = sc;
627
628 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
629
630 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
631
632 ifp->if_init = rt2870_init;
633 ifp->if_ioctl = rt2870_ioctl;
634 ifp->if_start = rt2870_start;
635
636 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
637 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
638 IFQ_SET_READY(&ifp->if_snd);
639
640 ic = ifp->if_l2com;
641
642 ic->ic_ifp = ifp;
643
644 ic->ic_phytype = IEEE80211_T_HT;
645 ic->ic_opmode = IEEE80211_M_STA;
646
647 ic->ic_caps = IEEE80211_C_MONITOR |
648 IEEE80211_C_IBSS |
649 IEEE80211_C_STA |
650 IEEE80211_C_AHDEMO |
651 IEEE80211_C_HOSTAP |
652 IEEE80211_C_WDS |
653 IEEE80211_C_MBSS |
654 IEEE80211_C_BGSCAN |
655 IEEE80211_C_TXPMGT |
656 IEEE80211_C_SHPREAMBLE |
657 IEEE80211_C_SHSLOT |
658 IEEE80211_C_TXFRAG |
659 IEEE80211_C_BURST |
660 IEEE80211_C_WME |
661 IEEE80211_C_WPA;
662
663 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
664 IEEE80211_CRYPTO_TKIP |
665 IEEE80211_CRYPTO_TKIPMIC |
666 IEEE80211_CRYPTO_AES_CCM;
667
668 ic->ic_htcaps = IEEE80211_HTC_HT |
669 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
670 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
671 IEEE80211_HTC_SMPS | /* MIMO power save */
672 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
673 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
674 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
675 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
676 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
677 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
678
679 /* spatial streams */
680
681 if (sc->nrxpath == 2)
682 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
683 else if (sc->nrxpath == 3)
684 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
685 else
686 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
687
688 if (sc->ntxpath > 1)
689 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
690
691 /* delayed BA */
692
693 if (sc->mac_rev != 0x28600100)
694 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
695
696 /* init channels */
697
698 ic->ic_nchans = 0;
699
700 rt2870_init_channels(sc);
701
702 rt2870_init_channels_ht40(sc);
703
704 ieee80211_ifattach(ic, sc->mac_addr);
705
706 ic->ic_vap_create = rt2870_vap_create;
707 ic->ic_vap_delete = rt2870_vap_delete;
708
709 ic->ic_node_alloc = rt2870_node_alloc;
710 ic->ic_node_getmimoinfo = rt2870_node_getmimoinfo;
711 ic->ic_setregdomain = rt2870_setregdomain;
712 ic->ic_getradiocaps = rt2870_getradiocaps;
713 ic->ic_scan_start = rt2870_scan_start;
714 ic->ic_scan_end = rt2870_scan_end;
715 ic->ic_set_channel = rt2870_set_channel;
716 ic->ic_newassoc = rt2870_newassoc;
717 ic->ic_updateslot = rt2870_updateslot;
718 ic->ic_update_promisc = rt2870_update_promisc;
719 ic->ic_update_mcast = rt2870_update_mcast;
720 ic->ic_wme.wme_update = rt2870_wme_update;
721 ic->ic_raw_xmit = rt2870_raw_xmit;
722
723 sc->recv_action = ic->ic_recv_action;
724 ic->ic_recv_action = rt2870_recv_action;
725
726 sc->send_action = ic->ic_send_action;
727 ic->ic_send_action = rt2870_send_action;
728
729 /* hardware requires padding between 802.11 frame header and body */
730
731 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
732
733 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
734
735 ieee80211_radiotap_attach(ic,
736 &sc->txtap.ihdr, sizeof(sc->txtap),
737 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
738 &sc->rxtap.ihdr, sizeof(sc->rxtap),
739 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
740
741 /* init task queue */
742
743 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
744 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
745 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
746 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
747
748 sc->rx_process_limit = 100;
749
750 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
751 taskqueue_thread_enqueue, &sc->taskqueue);
752
753 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
754 device_get_nameunit(sc->dev));
755
756 rt2870_sysctl_attach(sc);
757
758 if (bootverbose)
759 ieee80211_announce(ic);
760
761 return 0;
762
763 fail:
764
765 /* stop all USB transfers */
766
767 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
768
769 /* free Tx and Rx rings */
770
771 for (i = 0; i < sc->usb_endpoints - 1; i++)
772 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
773
774 rt2870_free_rx_ring(sc, &sc->rx_ring);
775
776 mtx_destroy(&sc->lock);
777
778 return error;
779 }
780
781 /*
782 * rt2870_detach
783 */
784 static int rt2870_detach(device_t dev)
785 {
786 struct rt2870_softc *sc;
787 struct ieee80211com *ic;
788 struct ifnet *ifp;
789 int i;
790
791 if (!device_is_attached(dev))
792 return 0;
793
794 sc = device_get_softc(dev);
795 ifp = sc->ifp;
796 ic = ifp->if_l2com;
797
798 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
799 "%s: detaching\n",
800 device_get_nameunit(sc->dev));
801
802 RT2870_SOFTC_LOCK(sc);
803
804 sc->tx_timer = 0;
805
806 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
807
808 callout_stop(&sc->periodic_ch);
809 callout_stop(&sc->tx_watchdog_ch);
810
811 RT2870_SOFTC_UNLOCK(sc);
812
813 taskqueue_block(sc->taskqueue);
814
815 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
816 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
817 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
818 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
819
820 /* stop all USB transfers */
821
822 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
823
824 RT2870_SOFTC_LOCK(sc);
825
826 /* free Tx and Rx rings */
827
828 for (i = 0; i < sc->usb_endpoints - 1; i++)
829 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
830
831 rt2870_free_rx_ring(sc, &sc->rx_ring);
832
833 RT2870_SOFTC_UNLOCK(sc);
834
835 ieee80211_ifdetach(ic);
836
837 if_free(ifp);
838
839 taskqueue_free(sc->taskqueue);
840
841 mtx_destroy(&sc->lock);
842
843 return 0;
844 }
845
846 /*
847 * rt2870_init_channels
848 */
849 static void rt2870_init_channels(struct rt2870_softc *sc)
850 {
851 struct ifnet *ifp;
852 struct ieee80211com *ic;
853 struct ieee80211_channel *c;
854 int i, flags;
855
856 ifp = sc->ifp;
857 ic = ifp->if_l2com;
858
859 /* set supported channels for 2GHz band */
860
861 for (i = 1; i <= 14; i++)
862 {
863 c = &ic->ic_channels[ic->ic_nchans++];
864 flags = IEEE80211_CHAN_B;
865
866 c->ic_freq = ieee80211_ieee2mhz(i, flags);
867 c->ic_ieee = i;
868 c->ic_flags = flags;
869
870 c = &ic->ic_channels[ic->ic_nchans++];
871 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
872
873 c->ic_freq = ieee80211_ieee2mhz(i, flags);
874 c->ic_ieee = i;
875 c->ic_flags = flags;
876
877 c = &ic->ic_channels[ic->ic_nchans++];
878 flags = IEEE80211_CHAN_G;
879
880 c->ic_freq = ieee80211_ieee2mhz(i, flags);
881 c->ic_ieee = i;
882 c->ic_flags = flags;
883
884 c = &ic->ic_channels[ic->ic_nchans++];
885 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
886
887 c->ic_freq = ieee80211_ieee2mhz(i, flags);
888 c->ic_ieee = i;
889 c->ic_flags = flags;
890 }
891
892 /* set supported channels for 5GHz band */
893
894 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
895 sc->rf_rev == RT2870_EEPROM_RF_2750)
896 {
897 for (i = 36; i <= 64; i += 4)
898 {
899 c = &ic->ic_channels[ic->ic_nchans++];
900 flags = IEEE80211_CHAN_A;
901
902 c->ic_freq = ieee80211_ieee2mhz(i, flags);
903 c->ic_ieee = i;
904 c->ic_flags = flags;
905
906 c = &ic->ic_channels[ic->ic_nchans++];
907 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
908
909 c->ic_freq = ieee80211_ieee2mhz(i, flags);
910 c->ic_ieee = i;
911 c->ic_flags = flags;
912 }
913
914 for (i = 100; i <= 140; i += 4)
915 {
916 c = &ic->ic_channels[ic->ic_nchans++];
917 flags = IEEE80211_CHAN_A;
918
919 c->ic_freq = ieee80211_ieee2mhz(i, flags);
920 c->ic_ieee = i;
921 c->ic_flags = flags;
922
923 c = &ic->ic_channels[ic->ic_nchans++];
924 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
925
926 c->ic_freq = ieee80211_ieee2mhz(i, flags);
927 c->ic_ieee = i;
928 c->ic_flags = flags;
929 }
930
931 for (i = 149; i <= 165; i += 4)
932 {
933 c = &ic->ic_channels[ic->ic_nchans++];
934 flags = IEEE80211_CHAN_A;
935
936 c->ic_freq = ieee80211_ieee2mhz(i, flags);
937 c->ic_ieee = i;
938 c->ic_flags = flags;
939
940 c = &ic->ic_channels[ic->ic_nchans++];
941 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
942
943 c->ic_freq = ieee80211_ieee2mhz(i, flags);
944 c->ic_ieee = i;
945 c->ic_flags = flags;
946 }
947 }
948 }
949
950 /*
951 * rt2870_init_channels_ht40
952 */
953 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
954 {
955 struct ifnet *ifp;
956 struct ieee80211com *ic;
957 struct ieee80211_channel *c, *cent, *ext;
958 int i, flags;
959
960 ifp = sc->ifp;
961 ic = ifp->if_l2com;
962
963 /* set supported channels for 2GHz band */
964
965 for (i = 1; i <= 14; i++)
966 {
967 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
968
969 /* find the center channel */
970
971 cent = ieee80211_find_channel_byieee(ic, i,
972 flags & ~IEEE80211_CHAN_HT);
973 if (cent == NULL)
974 {
975 printf("%s: skip channel %d, could not find center channel\n",
976 device_get_nameunit(sc->dev), i);
977 continue;
978 }
979
980 /* find the extension channel */
981
982 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
983 flags & ~IEEE80211_CHAN_HT);
984 if (ext == NULL)
985 {
986 printf("%s: skip channel %d, could not find extension channel\n",
987 device_get_nameunit(sc->dev), i);
988 continue;
989 }
990
991 c = &ic->ic_channels[ic->ic_nchans++];
992
993 *c = *cent;
994 c->ic_extieee = ext->ic_ieee;
995 c->ic_flags &= ~IEEE80211_CHAN_HT;
996 c->ic_flags |= IEEE80211_CHAN_HT40U;
997
998 c = &ic->ic_channels[ic->ic_nchans++];
999
1000 *c = *ext;
1001 c->ic_extieee = cent->ic_ieee;
1002 c->ic_flags &= ~IEEE80211_CHAN_HT;
1003 c->ic_flags |= IEEE80211_CHAN_HT40D;
1004 }
1005
1006 /* set supported channels for 5GHz band */
1007
1008 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1009 sc->rf_rev == RT2870_EEPROM_RF_2750)
1010 {
1011 for (i = 36; i <= 64; i += 4)
1012 {
1013 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1014
1015 /* find the center channel */
1016
1017 cent = ieee80211_find_channel_byieee(ic, i,
1018 flags & ~IEEE80211_CHAN_HT);
1019 if (cent == NULL)
1020 {
1021 printf("%s: skip channel %d, could not find center channel\n",
1022 device_get_nameunit(sc->dev), i);
1023 continue;
1024 }
1025
1026 /* find the extension channel */
1027
1028 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1029 flags & ~IEEE80211_CHAN_HT);
1030 if (ext == NULL)
1031 {
1032 printf("%s: skip channel %d, could not find extension channel\n",
1033 device_get_nameunit(sc->dev), i);
1034 continue;
1035 }
1036
1037 c = &ic->ic_channels[ic->ic_nchans++];
1038
1039 *c = *cent;
1040 c->ic_extieee = ext->ic_ieee;
1041 c->ic_flags &= ~IEEE80211_CHAN_HT;
1042 c->ic_flags |= IEEE80211_CHAN_HT40U;
1043
1044 c = &ic->ic_channels[ic->ic_nchans++];
1045
1046 *c = *ext;
1047 c->ic_extieee = cent->ic_ieee;
1048 c->ic_flags &= ~IEEE80211_CHAN_HT;
1049 c->ic_flags |= IEEE80211_CHAN_HT40D;
1050 }
1051
1052 for (i = 100; i <= 140; i += 4)
1053 {
1054 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1055
1056 /* find the center channel */
1057
1058 cent = ieee80211_find_channel_byieee(ic, i,
1059 flags & ~IEEE80211_CHAN_HT);
1060 if (cent == NULL)
1061 {
1062 printf("%s: skip channel %d, could not find center channel\n",
1063 device_get_nameunit(sc->dev), i);
1064 continue;
1065 }
1066
1067 /* find the extension channel */
1068
1069 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1070 flags & ~IEEE80211_CHAN_HT);
1071 if (ext == NULL)
1072 {
1073 printf("%s: skip channel %d, could not find extension channel\n",
1074 device_get_nameunit(sc->dev), i);
1075 continue;
1076 }
1077
1078 c = &ic->ic_channels[ic->ic_nchans++];
1079
1080 *c = *cent;
1081 c->ic_extieee = ext->ic_ieee;
1082 c->ic_flags &= ~IEEE80211_CHAN_HT;
1083 c->ic_flags |= IEEE80211_CHAN_HT40U;
1084
1085 c = &ic->ic_channels[ic->ic_nchans++];
1086
1087 *c = *ext;
1088 c->ic_extieee = cent->ic_ieee;
1089 c->ic_flags &= ~IEEE80211_CHAN_HT;
1090 c->ic_flags |= IEEE80211_CHAN_HT40D;
1091 }
1092
1093 for (i = 149; i <= 165; i += 4)
1094 {
1095 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1096
1097 /* find the center channel */
1098
1099 cent = ieee80211_find_channel_byieee(ic, i,
1100 flags & ~IEEE80211_CHAN_HT);
1101 if (cent == NULL)
1102 {
1103 printf("%s: skip channel %d, could not find center channel\n",
1104 device_get_nameunit(sc->dev), i);
1105 continue;
1106 }
1107
1108 /* find the extension channel */
1109
1110 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1111 flags & ~IEEE80211_CHAN_HT);
1112 if (ext == NULL)
1113 {
1114 printf("%s: skip channel %d, could not find extension channel\n",
1115 device_get_nameunit(sc->dev), i);
1116 continue;
1117 }
1118
1119 c = &ic->ic_channels[ic->ic_nchans++];
1120
1121 *c = *cent;
1122 c->ic_extieee = ext->ic_ieee;
1123 c->ic_flags &= ~IEEE80211_CHAN_HT;
1124 c->ic_flags |= IEEE80211_CHAN_HT40U;
1125
1126 c = &ic->ic_channels[ic->ic_nchans++];
1127
1128 *c = *ext;
1129 c->ic_extieee = cent->ic_ieee;
1130 c->ic_flags &= ~IEEE80211_CHAN_HT;
1131 c->ic_flags |= IEEE80211_CHAN_HT40D;
1132 }
1133 }
1134 }
1135
1136 /*
1137 * rt2870_init_locked
1138 */
1139 static void rt2870_init_locked(void *priv)
1140 {
1141 struct rt2870_softc *sc;
1142 struct ifnet *ifp;
1143 struct ieee80211com *ic;
1144 int ntries, error, i;
1145 uint32_t tmp, stacnt[6];
1146
1147 sc = priv;
1148 ifp = sc->ifp;
1149 ic = ifp->if_l2com;
1150
1151 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1152 "%s: initializing\n",
1153 device_get_nameunit(sc->dev));
1154
1155 RT2870_SOFTC_ASSERT_LOCKED(sc);
1156
1157 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1158 {
1159 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1160 "%s: loading 8051 microcode\n",
1161 device_get_nameunit(sc->dev));
1162
1163 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1164 if (error != 0)
1165 {
1166 printf("%s: could not load 8051 microcode\n",
1167 device_get_nameunit(sc->dev));
1168 goto fail;
1169 }
1170
1171 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1172 "%s: 8051 microcode was successfully loaded\n",
1173 device_get_nameunit(sc->dev));
1174
1175 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1176 }
1177
1178 /* wait while DMA engine is busy */
1179
1180 for (ntries = 0; ntries < 100; ntries++)
1181 {
1182 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1183 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1184 break;
1185
1186 DELAY(1000);
1187 }
1188
1189 if (ntries == 100)
1190 {
1191 printf("%s: timeout waiting for DMA engine\n",
1192 device_get_nameunit(sc->dev));
1193 goto fail;
1194 }
1195
1196 tmp &= 0xff0;
1197 tmp |= RT2870_REG_TX_WB_DDONE;
1198
1199 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1200
1201 /* PBF hardware reset */
1202
1203 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1204
1205 tmp &= ~(1 << 13);
1206
1207 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1208
1209 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1210 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1211
1212 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1213
1214 rt2870_io_mcu_reset(sc);
1215
1216 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1217
1218 /* init Tx power per rate */
1219
1220 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1221 {
1222 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1223 continue;
1224
1225 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1226 sc->txpow_rate_20mhz[i]);
1227 }
1228
1229 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1230 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1231 rt2870_def_mac[i].val);
1232
1233 /* wait while MAC is busy */
1234
1235 for (ntries = 0; ntries < 100; ntries++)
1236 {
1237 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1238 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1239 break;
1240
1241 DELAY(1000);
1242 }
1243
1244 if (ntries == 100)
1245 {
1246 printf("%s: timeout waiting for MAC\n",
1247 device_get_nameunit(sc->dev));
1248 goto fail;
1249 }
1250
1251 /* clear Host to MCU mailbox */
1252
1253 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1254 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1255
1256 DELAY(1000);
1257
1258 error = rt2870_init_bbp(sc);
1259 if (error != 0)
1260 goto fail;
1261
1262 /* set up maximum buffer sizes */
1263
1264 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1265
1266 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1267
1268 if (sc->mac_rev == 0x28720200)
1269 {
1270 /* set max. PSDU length from 16K to 32K bytes */
1271
1272 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1273
1274 tmp &= ~(3 << 12);
1275 tmp |= (2 << 12);
1276
1277 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1278 }
1279
1280 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1281 {
1282 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1283
1284 tmp &= 0xfff;
1285 tmp |= 0x2000;
1286
1287 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1288 }
1289
1290 /* set mac address */
1291
1292 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1293
1294 /* clear statistic registers */
1295
1296 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1297 stacnt, sizeof(stacnt));
1298
1299 /* send LEDs operating mode to microcontroller */
1300
1301 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1302 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1303 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1304 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1305 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1306 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1307
1308 /* write vendor-specific BBP values (from EEPROM) */
1309
1310 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1311 {
1312 if (sc->bbp_eeprom[i].reg == 0x00 ||
1313 sc->bbp_eeprom[i].reg == 0xff)
1314 continue;
1315
1316 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1317 sc->bbp_eeprom[i].val);
1318 }
1319
1320 /* disable non-existing Rx chains */
1321
1322 tmp = rt2870_io_bbp_read(sc, 3);
1323
1324 tmp &= ~((1 << 4) | (1 << 3));
1325
1326 if (sc->nrxpath == 3)
1327 tmp |= (1 << 4);
1328 else if (sc->nrxpath == 2)
1329 tmp |= (1 << 3);
1330
1331 rt2870_io_bbp_write(sc, 3, tmp);
1332
1333 /* disable non-existing Tx chains */
1334
1335 tmp = rt2870_io_bbp_read(sc, 1);
1336
1337 tmp &= ~((1 << 4) | (1 << 3));
1338
1339 if (sc->ntxpath == 2)
1340 tmp |= (1 << 4);
1341
1342 rt2870_io_bbp_write(sc, 1, tmp);
1343
1344 /* set current channel */
1345
1346 rt2870_rf_set_chan(sc, ic->ic_curchan);
1347
1348 /* turn radio LED on */
1349
1350 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1351
1352 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1353 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1354
1355 /* set RTS threshold */
1356
1357 rt2870_asic_update_rtsthreshold(sc);
1358
1359 /* set Tx power */
1360
1361 rt2870_asic_update_txpower(sc);
1362
1363 /* set up protection mode */
1364
1365 sc->tx_ampdu_sessions = 0;
1366
1367 rt2870_asic_updateprot(sc);
1368
1369 /* clear beacon frame space (entries = 8, entry size = 512) */
1370
1371 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1372
1373 if (rt2870_txrx_enable(sc) != 0)
1374 goto fail;
1375
1376 /* clear garbage interrupts */
1377
1378 tmp = rt2870_io_mac_read(sc, 0x1300);
1379
1380 taskqueue_unblock(sc->taskqueue);
1381
1382 /* init Tx and Rx rings */
1383
1384 for(i = 0; i < sc->usb_endpoints - 1; i++)
1385 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1386
1387 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1388
1389 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1390
1391 for(i = 0; i < sc->usb_endpoints - 1; i++)
1392 {
1393 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1394 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1395 }
1396
1397 /* start up the receive pipe */
1398
1399 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1400 usbd_transfer_start(sc->usb_xfer[0]);
1401
1402 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1403 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1404
1405 sc->periodic_round = 0;
1406
1407 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1408
1409 return;
1410
1411 fail:
1412
1413 rt2870_stop_locked(sc);
1414 }
1415
1416 /*
1417 * rt2870_init
1418 */
1419 static void rt2870_init(void *priv)
1420 {
1421 struct rt2870_softc *sc;
1422
1423 sc = priv;
1424
1425 RT2870_SOFTC_LOCK(sc);
1426
1427 rt2870_init_locked(sc);
1428
1429 RT2870_SOFTC_UNLOCK(sc);
1430 }
1431
1432 /*
1433 * rt2870_init_bbp
1434 */
1435 static int rt2870_init_bbp(struct rt2870_softc *sc)
1436 {
1437 int ntries, i;
1438 uint8_t tmp;
1439
1440 for (ntries = 0; ntries < 20; ntries++)
1441 {
1442 tmp = rt2870_io_bbp_read(sc, 0);
1443 if (tmp != 0x00 && tmp != 0xff)
1444 break;
1445 }
1446
1447 if (tmp == 0x00 || tmp == 0xff)
1448 {
1449 printf("%s: timeout waiting for BBP to wakeup\n",
1450 device_get_nameunit(sc->dev));
1451 return ETIMEDOUT;
1452 }
1453
1454 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1455 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1456 rt2870_def_bbp[i].val);
1457
1458 if ((sc->mac_rev & 0xffff) != 0x0101)
1459 rt2870_io_bbp_write(sc, 84, 0x19);
1460
1461 if (sc->mac_rev == 0x28600100)
1462 {
1463 rt2870_io_bbp_write(sc, 69, 0x16);
1464 rt2870_io_bbp_write(sc, 73, 0x12);
1465 }
1466
1467 return 0;
1468 }
1469
1470 /*
1471 * rt2870_stop_locked
1472 */
1473 static void rt2870_stop_locked(void *priv)
1474 {
1475 struct rt2870_softc *sc;
1476 struct ifnet *ifp;
1477 struct ieee80211com *ic;
1478 uint32_t tmp;
1479 int i;
1480
1481 sc = priv;
1482 ifp = sc->ifp;
1483 ic = ifp->if_l2com;
1484
1485 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1486 "%s: stopping\n",
1487 device_get_nameunit(sc->dev));
1488
1489 RT2870_SOFTC_ASSERT_LOCKED(sc);
1490
1491 sc->tx_timer = 0;
1492
1493 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1494 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1495
1496 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1497
1498 callout_stop(&sc->periodic_ch);
1499 callout_stop(&sc->tx_watchdog_ch);
1500
1501 RT2870_SOFTC_UNLOCK(sc);
1502
1503 taskqueue_block(sc->taskqueue);
1504
1505 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1506 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1507 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1508 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1509
1510 RT2870_SOFTC_LOCK(sc);
1511
1512 /* clear key tables */
1513
1514 rt2870_asic_clear_keytables(sc);
1515
1516 /* disable Tx/Rx */
1517
1518 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1519
1520 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1521
1522 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1523
1524 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1525
1526 /* reset adapter */
1527
1528 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1529 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1530 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1531
1532 /* abort any pending transfers */
1533
1534 for (i = 0; i < sc->usb_endpoints; i++)
1535 usbd_transfer_stop(sc->usb_xfer[i]);
1536 }
1537
1538 /*
1539 * rt2870_stop
1540 */
1541 static void rt2870_stop(void *priv)
1542 {
1543 struct rt2870_softc *sc;
1544
1545 sc = priv;
1546
1547 RT2870_SOFTC_LOCK(sc);
1548
1549 rt2870_stop_locked(sc);
1550
1551 RT2870_SOFTC_UNLOCK(sc);
1552 }
1553
1554 /*
1555 * rt2870_start
1556 */
1557 static void rt2870_start(struct ifnet *ifp)
1558 {
1559 struct rt2870_softc *sc;
1560 struct ieee80211_node *ni;
1561 struct mbuf *m;
1562 int qid;
1563
1564 sc = ifp->if_softc;
1565
1566 RT2870_SOFTC_LOCK(sc);
1567
1568 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1569 {
1570 RT2870_SOFTC_UNLOCK(sc);
1571 return;
1572 }
1573
1574 for (;;)
1575 {
1576 IF_POLL(&ifp->if_snd, m);
1577 if (m == NULL)
1578 break;
1579
1580 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1581
1582 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1583
1584 qid = M_WME_GETAC(m);
1585
1586 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1587 {
1588 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1589 "%s: if_start: Tx ring with qid=%d is full\n",
1590 device_get_nameunit(sc->dev), qid);
1591
1592 m_freem(m);
1593 ieee80211_free_node(ni);
1594
1595 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1596 ifp->if_oerrors++;
1597
1598 sc->tx_data_queue_full[qid]++;
1599
1600 break;
1601 }
1602
1603 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1604 {
1605 ieee80211_free_node(ni);
1606 ifp->if_oerrors++;
1607 break;
1608 }
1609
1610 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1611
1612 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1613 }
1614
1615 RT2870_SOFTC_UNLOCK(sc);
1616 }
1617
1618 /*
1619 * rt2870_ioctl
1620 */
1621 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1622 {
1623 struct rt2870_softc *sc;
1624 struct ieee80211com *ic;
1625 struct ifreq *ifr;
1626 int error, startall;
1627
1628 sc = ifp->if_softc;
1629 ic = ifp->if_l2com;
1630 ifr = (struct ifreq *) data;
1631
1632 error = 0;
1633
1634 switch (cmd)
1635 {
1636 case SIOCSIFFLAGS:
1637 startall = 0;
1638
1639 RT2870_SOFTC_LOCK(sc);
1640
1641 if (ifp->if_flags & IFF_UP)
1642 {
1643 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1644 {
1645 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1646 rt2870_asic_update_promisc(sc);
1647 }
1648 else
1649 {
1650 rt2870_init_locked(sc);
1651 startall = 1;
1652 }
1653 }
1654 else
1655 {
1656 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1657 rt2870_stop_locked(sc);
1658 }
1659
1660 sc->if_flags = ifp->if_flags;
1661
1662 RT2870_SOFTC_UNLOCK(sc);
1663
1664 if (startall)
1665 ieee80211_start_all(ic);
1666 break;
1667
1668 case SIOCGIFMEDIA:
1669 case SIOCSIFMEDIA:
1670 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1671 break;
1672
1673 case SIOCGIFADDR:
1674 error = ether_ioctl(ifp, cmd, data);
1675 break;
1676
1677 default:
1678 error = EINVAL;
1679 break;
1680 }
1681
1682 return error;
1683 }
1684
1685 /*
1686 * rt2870_vap_create
1687 */
1688 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1689 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1690 const uint8_t bssid[IEEE80211_ADDR_LEN],
1691 const uint8_t mac[IEEE80211_ADDR_LEN])
1692 {
1693 struct rt2870_softc *sc;
1694 struct ifnet *ifp;
1695 struct rt2870_softc_vap *rvap;
1696 struct ieee80211vap *vap;
1697
1698 ifp = ic->ic_ifp;
1699 sc = ifp->if_softc;
1700
1701 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1702 "%s: VAP create: opmode=%s\n",
1703 device_get_nameunit(sc->dev),
1704 ieee80211_opmode_name[opmode]);
1705
1706 switch (opmode)
1707 {
1708 case IEEE80211_M_MONITOR:
1709 case IEEE80211_M_IBSS:
1710 case IEEE80211_M_STA:
1711 case IEEE80211_M_AHDEMO:
1712 case IEEE80211_M_HOSTAP:
1713 case IEEE80211_M_MBSS:
1714 if (!TAILQ_EMPTY(&ic->ic_vaps))
1715 {
1716 if_printf(ifp, "only 1 VAP supported\n");
1717 return NULL;
1718 }
1719
1720 if (opmode == IEEE80211_M_STA)
1721 flags |= IEEE80211_CLONE_NOBEACONS;
1722 break;
1723
1724 case IEEE80211_M_WDS:
1725 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1726 {
1727 if_printf(ifp, "WDS only supported in AP mode\n");
1728 return NULL;
1729 }
1730
1731 flags &= ~IEEE80211_CLONE_BSSID;
1732 break;
1733
1734 default:
1735 if_printf(ifp, "unknown opmode %d\n", opmode);
1736 return NULL;
1737 }
1738
1739 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1740 M_80211_VAP, M_NOWAIT | M_ZERO);
1741 if (rvap == NULL)
1742 return NULL;
1743
1744 vap = &rvap->vap;
1745
1746 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1747
1748 rvap->newstate = vap->iv_newstate;
1749 vap->iv_newstate = rt2870_vap_newstate;
1750
1751 vap->iv_reset = rt2870_vap_reset;
1752 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1753 vap->iv_key_update_end = rt2870_vap_key_update_end;
1754 vap->iv_key_set = rt2870_vap_key_set;
1755 vap->iv_key_delete = rt2870_vap_key_delete;
1756 vap->iv_update_beacon = rt2870_vap_update_beacon;
1757
1758 rt2870_amrr_init(&rvap->amrr, vap,
1759 sc->ntxpath,
1760 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1761 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1762 500);
1763
1764 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1765
1766 /* override default Rx A-MPDU factor */
1767
1768 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1769 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1770 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1771
1772 ic->ic_opmode = opmode;
1773
1774 return vap;
1775 }
1776
1777 /*
1778 * rt2870_vap_delete
1779 */
1780 static void rt2870_vap_delete(struct ieee80211vap *vap)
1781 {
1782 struct rt2870_softc *sc;
1783 struct ieee80211com *ic;
1784 struct ifnet *ifp;
1785 struct rt2870_softc_vap *rvap;
1786
1787 ic = vap->iv_ic;
1788 ifp = ic->ic_ifp;
1789 sc = ifp->if_softc;
1790 rvap = (struct rt2870_softc_vap *) vap;
1791
1792 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1793 "%s: VAP delete: opmode=%s\n",
1794 device_get_nameunit(sc->dev),
1795 ieee80211_opmode_name[vap->iv_opmode]);
1796
1797 rt2870_amrr_cleanup(&rvap->amrr);
1798
1799 ieee80211_vap_detach(vap);
1800
1801 if (rvap->beacon_mbuf != NULL)
1802 {
1803 m_free(rvap->beacon_mbuf);
1804 rvap->beacon_mbuf = NULL;
1805 }
1806
1807 free(rvap, M_80211_VAP);
1808 }
1809
1810 /*
1811 * rt2870_reset_vap
1812 */
1813 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1814 {
1815 struct rt2870_softc *sc;
1816 struct ieee80211com *ic;
1817 struct ifnet *ifp;
1818 struct rt2870_softc_vap *rvap;
1819 int error;
1820
1821 ic = vap->iv_ic;
1822 ifp = ic->ic_ifp;
1823 sc = ifp->if_softc;
1824 rvap = (struct rt2870_softc_vap *) vap;
1825
1826 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1827 "%s: VAP reset: cmd=%lu\n",
1828 device_get_nameunit(sc->dev), cmd);
1829
1830 error = 0;
1831
1832 RT2870_SOFTC_LOCK(sc);
1833
1834 switch (cmd)
1835 {
1836 case IEEE80211_IOC_RTSTHRESHOLD:
1837 case IEEE80211_IOC_AMSDU:
1838 rt2870_asic_update_rtsthreshold(sc);
1839 break;
1840
1841 case IEEE80211_IOC_PROTMODE:
1842 case IEEE80211_IOC_HTPROTMODE:
1843 rt2870_asic_updateprot(sc);
1844 break;
1845
1846 case IEEE80211_IOC_TXPOWER:
1847 rt2870_asic_update_txpower(sc);
1848 break;
1849
1850 case IEEE80211_IOC_BURST:
1851 rt2870_asic_updateslot(sc);
1852 break;
1853
1854 case IEEE80211_IOC_SHORTGI:
1855 case IEEE80211_IOC_AMPDU_DENSITY:
1856 case IEEE80211_IOC_SMPS:
1857 break;
1858
1859 default:
1860 error = ENETRESET;
1861 break;
1862 }
1863
1864 RT2870_SOFTC_UNLOCK(sc);
1865
1866 return error;
1867 }
1868
1869 /*
1870 * rt2870_vap_newstate
1871 */
1872 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1873 enum ieee80211_state nstate, int arg)
1874 {
1875 struct rt2870_softc *sc;
1876 struct ieee80211com *ic;
1877 struct ifnet *ifp;
1878 struct rt2870_softc_vap *rvap;
1879 struct ieee80211_node *ni;
1880 int error;
1881
1882 ic = vap->iv_ic;
1883 ifp = ic->ic_ifp;
1884 sc = ifp->if_softc;
1885 rvap = (struct rt2870_softc_vap *) vap;
1886
1887 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1888 "%s: VAP newstate: %s -> %s\n",
1889 device_get_nameunit(sc->dev),
1890 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1891
1892 error = rvap->newstate(vap, nstate, arg);
1893 if (error != 0)
1894 return error;
1895
1896 IEEE80211_UNLOCK(ic);
1897
1898 RT2870_SOFTC_LOCK(sc);
1899
1900 /* turn link LED off */
1901
1902 if (nstate != IEEE80211_S_RUN)
1903 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1904
1905 switch (nstate)
1906 {
1907 case IEEE80211_S_INIT:
1908 rt2870_asic_disable_tsf_sync(sc);
1909 break;
1910
1911 case IEEE80211_S_RUN:
1912 ni = vap->iv_bss;
1913
1914 rt2870_rf_set_chan(sc, ni->ni_chan);
1915
1916 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1917 {
1918 rt2870_asic_enable_mrr(sc);
1919 rt2870_asic_set_txpreamble(sc);
1920 rt2870_asic_set_basicrates(sc);
1921 rt2870_asic_update_txpower(sc);
1922 rt2870_asic_set_bssid(sc, ni->ni_bssid);
1923 }
1924
1925 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1926 vap->iv_opmode == IEEE80211_M_IBSS ||
1927 vap->iv_opmode == IEEE80211_M_MBSS)
1928 {
1929 error = rt2870_beacon_alloc(sc, vap);
1930 if (error != 0)
1931 break;
1932
1933 rt2870_asic_update_beacon(sc, vap);
1934 }
1935
1936 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1937 rt2870_asic_enable_tsf_sync(sc);
1938
1939 /* turn link LED on */
1940
1941 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1942 {
1943 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
1944 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1945 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
1946 }
1947 break;
1948
1949 default:
1950 break;
1951 }
1952
1953 RT2870_SOFTC_UNLOCK(sc);
1954
1955 IEEE80211_LOCK(ic);
1956
1957 return error;
1958 }
1959
1960 /*
1961 * rt2870_vap_key_update_begin
1962 */
1963 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
1964 {
1965 struct rt2870_softc *sc;
1966 struct ieee80211com *ic;
1967 struct ifnet *ifp;
1968
1969 ic = vap->iv_ic;
1970 ifp = ic->ic_ifp;
1971 sc = ifp->if_softc;
1972
1973 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1974 "%s: VAP key update begin\n",
1975 device_get_nameunit(sc->dev));
1976
1977 taskqueue_block(sc->taskqueue);
1978
1979 IF_LOCK(&ifp->if_snd);
1980 }
1981
1982 /*
1983 * rt2870_vap_key_update_end
1984 */
1985 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
1986 {
1987 struct rt2870_softc *sc;
1988 struct ieee80211com *ic;
1989 struct ifnet *ifp;
1990
1991 ic = vap->iv_ic;
1992 ifp = ic->ic_ifp;
1993 sc = ifp->if_softc;
1994
1995 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1996 "%s: VAP key update end\n",
1997 device_get_nameunit(sc->dev));
1998
1999 IF_UNLOCK(&ifp->if_snd);
2000
2001 taskqueue_unblock(sc->taskqueue);
2002 }
2003
2004 /*
2005 * rt2870_vap_key_set
2006 */
2007 static int rt2870_vap_key_set(struct ieee80211vap *vap,
2008 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2009 {
2010 struct rt2870_softc *sc;
2011 struct ieee80211com *ic;
2012 struct ifnet *ifp;
2013 struct ieee80211_node *ni;
2014 struct rt2870_cmd_argv_keyset cmd_argv;
2015 uint16_t associd;
2016
2017 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2018 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2019 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2020 return EINVAL;
2021
2022 ic = vap->iv_ic;
2023 ifp = ic->ic_ifp;
2024 sc = ifp->if_softc;
2025 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr);
2026 associd = (ni != NULL) ? ni->ni_associd : 0;
2027
2028 if (ni != NULL)
2029 ieee80211_free_node(ni);
2030
2031 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2032 cmd_argv.associd = associd;
2033
2034 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2035 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2036
2037 return 1;
2038 }
2039
2040 /*
2041 * rt2870_vap_key_delete
2042 */
2043 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2044 const struct ieee80211_key *k)
2045 {
2046 struct rt2870_softc *sc;
2047 struct ieee80211com *ic;
2048 struct ifnet *ifp;
2049 struct ieee80211_node *ni;
2050 struct rt2870_cmd_argv_keydelete cmd_argv;
2051 uint16_t associd;
2052
2053 ic = vap->iv_ic;
2054 ifp = ic->ic_ifp;
2055 sc = ifp->if_softc;
2056 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr);
2057 associd = (ni != NULL) ? ni->ni_associd : 0;
2058
2059 if (ni != NULL)
2060 ieee80211_free_node(ni);
2061
2062 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2063 cmd_argv.associd = associd;
2064
2065 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2066 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2067
2068 return 1;
2069 }
2070
2071 /*
2072 * rt2870_vap_update_beacon
2073 */
2074 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2075 {
2076 struct rt2870_softc *sc;
2077 struct ieee80211com *ic;
2078 struct ifnet *ifp;
2079 struct rt2870_softc_vap *rvap;
2080 struct mbuf *m;
2081 struct ieee80211_beacon_offsets *bo;
2082
2083 ic = vap->iv_ic;
2084 ifp = ic->ic_ifp;
2085 sc = ifp->if_softc;
2086 rvap = (struct rt2870_softc_vap *) vap;
2087 m = rvap->beacon_mbuf;
2088 bo = &rvap->beacon_offsets;
2089
2090 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2091 "%s: VAP update beacon: what=%d\n",
2092 device_get_nameunit(sc->dev), what);
2093
2094 setbit(bo->bo_flags, what);
2095
2096 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2097
2098 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2099 }
2100
2101 /*
2102 * rt2870_node_alloc
2103 */
2104 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2105 const uint8_t mac[IEEE80211_ADDR_LEN])
2106 {
2107 return malloc(sizeof(struct rt2870_softc_node),
2108 M_80211_NODE, M_NOWAIT | M_ZERO);
2109 }
2110
2111 /*
2112 * rt2870_node_getmimoinfo
2113 */
2114 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2115 struct ieee80211_mimo_info *mi)
2116 {
2117 const struct rt2870_softc_node *rni;
2118 int i;
2119
2120 rni = (const struct rt2870_softc_node *) ni;
2121
2122 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2123 {
2124 mi->rssi[i] = rni->last_rssi_dbm[i];
2125 mi->noise[i] = RT2870_NOISE_FLOOR;
2126 }
2127 }
2128
2129 /*
2130 * rt2870_setregdomain
2131 */
2132 static int rt2870_setregdomain(struct ieee80211com *ic,
2133 struct ieee80211_regdomain *reg,
2134 int nchans, struct ieee80211_channel chans[])
2135 {
2136 struct rt2870_softc *sc;
2137 struct ifnet *ifp;
2138
2139 ifp = ic->ic_ifp;
2140 sc = ifp->if_softc;
2141
2142 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2143 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2144 device_get_nameunit(sc->dev),
2145 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2146
2147 return 0;
2148 }
2149
2150 /*
2151 * rt2870_getradiocaps
2152 */
2153 static void rt2870_getradiocaps(struct ieee80211com *ic,
2154 int maxchans, int *nchans, struct ieee80211_channel chans[])
2155 {
2156 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2157
2158 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2159 }
2160
2161 /*
2162 * rt2870_scan_start
2163 */
2164 static void rt2870_scan_start(struct ieee80211com *ic)
2165 {
2166 struct rt2870_softc *sc;
2167 struct ifnet *ifp;
2168
2169 ifp = ic->ic_ifp;
2170 sc = ifp->if_softc;
2171
2172 RT2870_SOFTC_LOCK(sc);
2173
2174 rt2870_asic_disable_tsf_sync(sc);
2175
2176 RT2870_SOFTC_UNLOCK(sc);
2177 }
2178
2179 /*
2180 * rt2870_scan_end
2181 */
2182 static void rt2870_scan_end(struct ieee80211com *ic)
2183 {
2184 struct rt2870_softc *sc;
2185 struct ifnet *ifp;
2186
2187 ifp = ic->ic_ifp;
2188 sc = ifp->if_softc;
2189
2190 RT2870_SOFTC_LOCK(sc);
2191
2192 rt2870_asic_enable_tsf_sync(sc);
2193
2194 RT2870_SOFTC_UNLOCK(sc);
2195 }
2196
2197 /*
2198 * rt2870_set_channel
2199 */
2200 static void rt2870_set_channel(struct ieee80211com *ic)
2201 {
2202 struct rt2870_softc *sc;
2203 struct ifnet *ifp;
2204
2205 ifp = ic->ic_ifp;
2206 sc = ifp->if_softc;
2207
2208 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2209 "%s: set channel: channel=%u, HT%s%s\n",
2210 device_get_nameunit(sc->dev),
2211 ieee80211_chan2ieee(ic, ic->ic_curchan),
2212 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2213 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2214 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2215 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2216
2217 RT2870_SOFTC_LOCK(sc);
2218
2219 rt2870_rf_set_chan(sc, ic->ic_curchan);
2220
2221 RT2870_SOFTC_UNLOCK(sc);
2222 }
2223
2224 /*
2225 * rt2870_newassoc
2226 */
2227 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2228 {
2229 struct rt2870_softc *sc;
2230 struct ieee80211com *ic;
2231 struct ifnet *ifp;
2232 struct ieee80211vap *vap;
2233 struct rt2870_softc_vap *rvap;
2234 uint16_t associd;
2235 uint8_t wcid;
2236
2237 vap = ni->ni_vap;
2238 ic = vap->iv_ic;
2239 ifp = ic->ic_ifp;
2240 sc = ifp->if_softc;
2241 rvap = (struct rt2870_softc_vap *) vap;
2242
2243 associd = (ni != NULL) ? ni->ni_associd : 0;
2244 wcid = RT2870_AID2WCID(associd);
2245
2246 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2247 "%s: new association: wcid=0x%02x, "
2248 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2249 device_get_nameunit(sc->dev), wcid,
2250 ether_sprintf(ni->ni_macaddr),
2251 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2252 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2253 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2254
2255 RT2870_SOFTC_LOCK(sc);
2256
2257 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2258 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2259
2260 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2261
2262 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2263 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2264 device_get_nameunit(sc->dev),
2265 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2266 ni->ni_associd, ni->ni_txrate,
2267 (ni->ni_flags & IEEE80211_NODE_HT) ?
2268 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2269 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2270
2271 rt2870_asic_updateprot(sc);
2272 rt2870_asic_updateslot(sc);
2273 rt2870_asic_set_txpreamble(sc);
2274
2275 RT2870_SOFTC_UNLOCK(sc);
2276 }
2277
2278 /*
2279 * rt2870_updateslot
2280 */
2281 static void rt2870_updateslot(struct ifnet *ifp)
2282 {
2283 struct rt2870_softc *sc;
2284
2285 sc = ifp->if_softc;
2286
2287 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2288 }
2289
2290 /*
2291 * rt2870_update_promisc
2292 */
2293 static void rt2870_update_promisc(struct ifnet *ifp)
2294 {
2295 struct rt2870_softc *sc;
2296
2297 sc = ifp->if_softc;
2298
2299 RT2870_SOFTC_LOCK(sc);
2300
2301 rt2870_asic_update_promisc(sc);
2302
2303 RT2870_SOFTC_UNLOCK(sc);
2304 }
2305
2306 /*
2307 * rt2870_update_mcast
2308 */
2309 static void rt2870_update_mcast(struct ifnet *ifp)
2310 {
2311 struct rt2870_softc *sc;
2312
2313 sc = ifp->if_softc;
2314 }
2315
2316 /*
2317 * rt2870_wme_update
2318 */
2319 static int rt2870_wme_update(struct ieee80211com *ic)
2320 {
2321 struct rt2870_softc *sc;
2322 struct ifnet *ifp;
2323
2324 ifp = ic->ic_ifp;
2325 sc = ifp->if_softc;
2326
2327 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2328
2329 return 0;
2330 }
2331
2332 /*
2333 * rt2870_raw_xmit
2334 */
2335 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2336 const struct ieee80211_bpf_params *params)
2337 {
2338 struct rt2870_softc *sc;
2339 struct ieee80211com *ic;
2340 struct ifnet *ifp;
2341
2342 ic = ni->ni_ic;
2343 ifp = ic->ic_ifp;
2344 sc = ifp->if_softc;
2345
2346 RT2870_SOFTC_LOCK(sc);
2347
2348 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2349 {
2350 RT2870_SOFTC_UNLOCK(sc);
2351
2352 m_freem(m);
2353 ieee80211_free_node(ni);
2354
2355 return ENETDOWN;
2356 }
2357
2358 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2359 {
2360 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2361 "%s: raw xmit: Tx ring with qid=%d is full\n",
2362 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2363
2364 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2365
2366 RT2870_SOFTC_UNLOCK(sc);
2367
2368 m_freem(m);
2369 ieee80211_free_node(ni);
2370
2371 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2372
2373 return ENOBUFS;
2374 }
2375
2376 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2377 {
2378 ifp->if_oerrors++;
2379
2380 RT2870_SOFTC_UNLOCK(sc);
2381
2382 ieee80211_free_node(ni);
2383
2384 return EIO;
2385 }
2386
2387 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2388
2389 RT2870_SOFTC_UNLOCK(sc);
2390
2391 return 0;
2392 }
2393
2394 /*
2395 * rt2870_recv_action
2396 */
2397 static int rt2870_recv_action(struct ieee80211_node *ni,
2398 const struct ieee80211_frame *wh,
2399 const uint8_t *frm, const uint8_t *efrm)
2400 {
2401 struct rt2870_softc *sc;
2402 struct ieee80211com *ic;
2403 struct ifnet *ifp;
2404 const struct ieee80211_action *ia;
2405 struct ieee80211_tx_ampdu *tx_ampdu;
2406 uint16_t associd, status, baparamset;
2407 uint8_t wcid;
2408 int ret, tid, bufsize, ac;
2409 uint32_t tmp;
2410
2411 ic = ni->ni_ic;
2412 ifp = ic->ic_ifp;
2413 sc = ifp->if_softc;
2414
2415 ia = (const struct ieee80211_action *) frm;
2416
2417 ret = sc->recv_action(ni, wh, frm, efrm);
2418
2419 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2420 return ret;
2421
2422 associd = (ni != NULL) ? ni->ni_associd : 0;
2423 wcid = RT2870_AID2WCID(associd);
2424
2425 switch (ia->ia_action)
2426 {
2427 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2428 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2429 baparamset = LE_READ_2(frm + 3);
2430 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2431 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2432
2433 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2434 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2435 device_get_nameunit(sc->dev), associd, tid, bufsize);
2436
2437 RT2870_SOFTC_LOCK(sc);
2438
2439 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2440
2441 tmp |= (0x10000 << tid);
2442
2443 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2444
2445 RT2870_SOFTC_UNLOCK(sc);
2446 break;
2447
2448 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2449 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2450 status = LE_READ_2(frm + 3);
2451 baparamset = LE_READ_2(frm + 4);
2452 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2453 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2454 ac = TID_TO_WME_AC(tid);
2455 tx_ampdu = &ni->ni_tx_ampdu[ac];
2456
2457 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2458 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2459 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2460
2461 if (sc->mac_rev >= 0x28720200)
2462 {
2463 if (tx_ampdu->txa_wnd > 13)
2464 tx_ampdu->txa_wnd = 13;
2465 }
2466 else
2467 {
2468 if (tx_ampdu->txa_wnd > 7)
2469 tx_ampdu->txa_wnd = 7;
2470 }
2471
2472 if (status == IEEE80211_STATUS_SUCCESS)
2473 {
2474 sc->tx_ampdu_sessions++;
2475
2476 RT2870_SOFTC_LOCK(sc);
2477
2478 rt2870_asic_updateprot(sc);
2479
2480 RT2870_SOFTC_UNLOCK(sc);
2481 }
2482 break;
2483
2484 /* IEEE80211_ACTION_BA_DELBA */
2485 case IEEE80211_ACTION_BA_DELBA:
2486 baparamset = LE_READ_2(frm + 2);
2487 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2488
2489 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2490 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2491 device_get_nameunit(sc->dev), associd, tid);
2492
2493 RT2870_SOFTC_LOCK(sc);
2494
2495 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2496
2497 tmp &= ~(0x10000 << tid);
2498
2499 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2500
2501 RT2870_SOFTC_UNLOCK(sc);
2502 break;
2503 }
2504
2505 return ret;
2506 }
2507
2508 /*
2509 * rt2870_send_action
2510 */
2511 static int rt2870_send_action(struct ieee80211_node *ni,
2512 int cat, int act, void *sa)
2513 {
2514 struct rt2870_softc *sc;
2515 struct ieee80211com *ic;
2516 struct ifnet *ifp;
2517 uint16_t associd, *args, baparamset;
2518 uint8_t wcid;
2519 int ret, tid;
2520 uint32_t tmp;
2521
2522 ic = ni->ni_ic;
2523 ifp = ic->ic_ifp;
2524 sc = ifp->if_softc;
2525
2526 ret = sc->send_action(ni, cat, act, sa);
2527
2528 if (cat != IEEE80211_ACTION_CAT_BA)
2529 return ret;
2530
2531 associd = (ni != NULL) ? ni->ni_associd : 0;
2532 wcid = RT2870_AID2WCID(associd);
2533 args = sa;
2534
2535 switch (act)
2536 {
2537 /* IEEE80211_ACTION_BA_DELBA */
2538 case IEEE80211_ACTION_BA_DELBA:
2539 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2540
2541 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2542
2543 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2544 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2545 device_get_nameunit(sc->dev), associd, tid);
2546
2547 RT2870_SOFTC_LOCK(sc);
2548
2549 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2550 {
2551 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2552
2553 tmp &= ~(0x10000 << tid);
2554
2555 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2556 }
2557 else
2558 {
2559 sc->tx_ampdu_sessions--;
2560
2561 rt2870_asic_updateprot(sc);
2562 }
2563
2564 RT2870_SOFTC_UNLOCK(sc);
2565 break;
2566 }
2567
2568 return ret;
2569 }
2570
2571 /*
2572 * rt2870_amrr_update_iter_func
2573 */
2574 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2575 {
2576 struct rt2870_softc *sc;
2577 struct ieee80211com *ic;
2578 struct ifnet *ifp;
2579 struct ieee80211vap *vap;
2580 struct rt2870_softc_vap *rvap;
2581 uint8_t wcid;
2582
2583 vap = arg;
2584 ic = vap->iv_ic;
2585 ifp = ic->ic_ifp;
2586 sc = ifp->if_softc;
2587 rvap = (struct rt2870_softc_vap *) vap;
2588
2589 /* only associated stations */
2590
2591 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2592 {
2593 wcid = RT2870_AID2WCID(ni->ni_associd);
2594
2595 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2596 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2597 device_get_nameunit(sc->dev),
2598 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2599
2600 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2601
2602 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2603 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2604 device_get_nameunit(sc->dev),
2605 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2606 ni->ni_associd, ni->ni_txrate,
2607 (ni->ni_flags & IEEE80211_NODE_HT) ?
2608 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2609 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2610 }
2611 }
2612
2613 /*
2614 * rt2870_periodic
2615 */
2616 static void rt2870_periodic(void *arg)
2617 {
2618 struct rt2870_softc *sc;
2619 struct ifnet *ifp;
2620
2621 sc = arg;
2622 ifp = sc->ifp;
2623
2624 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2625 "%s: periodic\n",
2626 device_get_nameunit(sc->dev));
2627
2628 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2629 return;
2630
2631 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2632 }
2633
2634 /*
2635 * rt2870_tx_watchdog
2636 */
2637 static void rt2870_tx_watchdog(void *arg)
2638 {
2639 struct rt2870_softc *sc;
2640 struct ifnet *ifp;
2641
2642 sc = arg;
2643 ifp = sc->ifp;
2644
2645 if (sc->tx_timer == 0)
2646 return;
2647
2648 if (--sc->tx_timer == 0)
2649 {
2650 printf("%s: Tx watchdog timeout: resetting\n",
2651 device_get_nameunit(sc->dev));
2652
2653 rt2870_stop_locked(sc);
2654 rt2870_init_locked(sc);
2655
2656 ifp->if_oerrors++;
2657
2658 sc->tx_watchdog_timeouts++;
2659 }
2660
2661 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2662 }
2663
2664 /*
2665 * rt2870_do_async
2666 */
2667 static int rt2870_do_async(struct rt2870_softc *sc,
2668 void (*cb)(struct rt2870_softc *sc, void *arg),
2669 void *arg, int len)
2670 {
2671 struct ifnet *ifp;
2672 struct rt2870_softc_cmd_ring *ring;
2673 struct rt2870_softc_cmd *cmd;
2674 int run_cmd_task;
2675
2676 ifp = sc->ifp;
2677 ring = &sc->cmd_ring;
2678
2679 RT2870_SOFTC_LOCK(sc);
2680
2681 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2682 {
2683 RT2870_SOFTC_UNLOCK(sc);
2684 return -1;
2685 }
2686
2687 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2688 {
2689 RT2870_SOFTC_UNLOCK(sc);
2690 return -1;
2691 }
2692
2693 cmd = STAILQ_FIRST(&ring->inactive);
2694 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2695
2696 cmd->cb = cb;
2697
2698 if(arg != NULL)
2699 memcpy(cmd->data, arg, len);
2700
2701 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2702 ring->queued++;
2703
2704 run_cmd_task = (ring->queued == 1);
2705
2706 RT2870_SOFTC_UNLOCK(sc);
2707
2708 if (run_cmd_task)
2709 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2710
2711 return 0;
2712 }
2713
2714 /*
2715 * rt2870_updateslot_cb
2716 */
2717 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2718 {
2719 RT2870_SOFTC_LOCK(sc);
2720
2721 rt2870_asic_updateslot(sc);
2722
2723 RT2870_SOFTC_UNLOCK(sc);
2724 }
2725
2726 /*
2727 * rt2870_wme_update_cb
2728 */
2729 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2730 {
2731 RT2870_SOFTC_LOCK(sc);
2732
2733 rt2870_asic_wme_update(sc);
2734
2735 RT2870_SOFTC_UNLOCK(sc);
2736 }
2737
2738 /*
2739 * rt2870_vap_key_set_cb
2740 */
2741 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
2742 {
2743 struct ieee80211com *ic;
2744 struct ifnet *ifp;
2745 struct ieee80211vap *vap;
2746 struct ieee80211_key *k;
2747 struct rt2870_cmd_argv_keyset *cmd_argv;
2748 uint16_t associd, key_base, keymode_base;
2749 uint8_t mode, vapid, wcid, iv[8];
2750 uint32_t tmp;
2751
2752 ifp = sc->ifp;
2753 ic = ifp->if_l2com;
2754 vap = TAILQ_FIRST(&ic->ic_vaps);
2755 cmd_argv = arg;
2756 k = &cmd_argv->key;
2757 associd = cmd_argv->associd;
2758
2759 switch (k->wk_cipher->ic_cipher)
2760 {
2761 case IEEE80211_CIPHER_WEP:
2762 if(k->wk_keylen < 8)
2763 mode = RT2870_REG_CIPHER_MODE_WEP40;
2764 else
2765 mode = RT2870_REG_CIPHER_MODE_WEP104;
2766 break;
2767
2768 case IEEE80211_CIPHER_TKIP:
2769 mode = RT2870_REG_CIPHER_MODE_TKIP;
2770 break;
2771
2772 case IEEE80211_CIPHER_AES_CCM:
2773 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2774 break;
2775
2776 default:
2777 return;
2778 }
2779
2780 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2781 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, associd=0x%04x, mode=%d, group=%d\n",
2782 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2783 associd, mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2784
2785 RT2870_SOFTC_LOCK(sc);
2786
2787 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2788 {
2789 /* install pairwise key */
2790
2791 vapid = 0;
2792 wcid = RT2870_AID2WCID(associd);
2793 key_base = RT2870_REG_PKEY(wcid);
2794
2795 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2796 {
2797 memset(iv, 0, 8);
2798
2799 iv[3] = (k->wk_keyix << 6);
2800 }
2801 else
2802 {
2803 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2804 {
2805 iv[0] = (k->wk_keytsc >> 8);
2806 iv[1] = ((iv[0] | 0x20) & 0x7f);
2807 iv[2] = k->wk_keytsc;
2808 }
2809 else
2810 {
2811 /* AES CCMP */
2812
2813 iv[0] = k->wk_keytsc;
2814 iv[1] = k->wk_keytsc >> 8;
2815 iv[2] = 0;
2816 }
2817
2818 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2819 iv[4] = (k->wk_keytsc >> 16);
2820 iv[5] = (k->wk_keytsc >> 24);
2821 iv[6] = (k->wk_keytsc >> 32);
2822 iv[7] = (k->wk_keytsc >> 40);
2823
2824 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2825 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2826 device_get_nameunit(sc->dev),
2827 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2828 }
2829
2830 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2831
2832 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2833 {
2834 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2835
2836 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2837 {
2838 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2839 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2840 }
2841 else
2842 {
2843 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2844 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2845 }
2846 }
2847 else
2848 {
2849 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2850 }
2851
2852 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2853 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2854
2855 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2856 }
2857
2858 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2859 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2860 {
2861 /* install group key */
2862
2863 vapid = 0;
2864 wcid = 0; /* mcast/bcast WCID */
2865 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2866 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2867
2868 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2869 {
2870 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2871
2872 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2873 {
2874 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2875 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2876 }
2877 else
2878 {
2879 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2880 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2881 }
2882 }
2883 else
2884 {
2885 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2886 }
2887
2888 tmp = rt2870_io_mac_read(sc, keymode_base);
2889
2890 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2891 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2892
2893 rt2870_io_mac_write(sc, keymode_base, tmp);
2894
2895 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2896 {
2897 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2898 {
2899 memset(iv, 0, 8);
2900
2901 iv[3] = (k->wk_keyix << 6);
2902 }
2903 else
2904 {
2905 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2906 {
2907 iv[0] = (k->wk_keytsc >> 8);
2908 iv[1] = ((iv[0] | 0x20) & 0x7f);
2909 iv[2] = k->wk_keytsc;
2910 }
2911 else
2912 {
2913 /* AES CCMP */
2914
2915 iv[0] = k->wk_keytsc;
2916 iv[1] = k->wk_keytsc >> 8;
2917 iv[2] = 0;
2918 }
2919
2920 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2921 iv[4] = (k->wk_keytsc >> 16);
2922 iv[5] = (k->wk_keytsc >> 24);
2923 iv[6] = (k->wk_keytsc >> 32);
2924 iv[7] = (k->wk_keytsc >> 40);
2925
2926 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2927 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2928 device_get_nameunit(sc->dev),
2929 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2930 }
2931
2932 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2933
2934 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2935 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
2936
2937 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2938 }
2939 }
2940
2941 RT2870_SOFTC_UNLOCK(sc);
2942 }
2943
2944 /*
2945 * rt2870_vap_key_delete_cb
2946 */
2947 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2948 {
2949 struct ieee80211_key *k;
2950 struct rt2870_cmd_argv_keydelete *cmd_argv;
2951 uint16_t associd;
2952 uint8_t vapid, wcid;
2953 uint32_t tmp;
2954
2955 cmd_argv = arg;
2956 k = &cmd_argv->key;
2957 associd = cmd_argv->associd;
2958
2959 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2960 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, associd=0x%04x, group=%d\n",
2961 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2962 associd, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2963
2964 RT2870_SOFTC_LOCK(sc);
2965
2966 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2967 {
2968 /* remove pairwise key */
2969
2970 vapid = 0;
2971 wcid = RT2870_AID2WCID(associd);
2972
2973 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2974 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2975
2976 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2977 }
2978 else
2979 {
2980 /* remove group key */
2981
2982 vapid = 0;
2983
2984 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2985
2986 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2987 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2988
2989 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2990 }
2991
2992 RT2870_SOFTC_UNLOCK(sc);
2993 }
2994
2995 /*
2996 * rt2870_vap_update_beacon_cb
2997 */
2998 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2999 {
3000 struct ifnet *ifp;
3001 struct ieee80211com *ic;
3002 struct ieee80211vap *vap;
3003
3004 ifp = sc->ifp;
3005 ic = ifp->if_l2com;
3006 vap = TAILQ_FIRST(&ic->ic_vaps);
3007
3008 if (vap == NULL)
3009 return;
3010
3011 RT2870_SOFTC_LOCK(sc);
3012
3013 rt2870_asic_update_beacon(sc, vap);
3014
3015 RT2870_SOFTC_UNLOCK(sc);
3016 }
3017
3018 /*
3019 * rt2870_asic_set_bssid
3020 */
3021 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3022 const uint8_t *bssid)
3023 {
3024 uint32_t tmp;
3025
3026 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3027 "%s: set bssid: bssid=%s\n",
3028 device_get_nameunit(sc->dev),
3029 ether_sprintf(bssid));
3030
3031 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3032
3033 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3034
3035 tmp = bssid[4] | (bssid[5] << 8);
3036
3037 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3038 }
3039
3040 /*
3041 * rt2870_asic_set_macaddr
3042 */
3043 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3044 const uint8_t *addr)
3045 {
3046 uint32_t tmp;
3047
3048 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3049
3050 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3051
3052 tmp = addr[4] | (addr[5] << 8);
3053
3054 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3055 }
3056
3057 /*
3058 * rt2870_asic_enable_tsf_sync
3059 */
3060 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3061 {
3062 struct ifnet *ifp;
3063 struct ieee80211com *ic;
3064 struct ieee80211vap *vap;
3065 uint32_t tmp;
3066
3067 ifp = sc->ifp;
3068 ic = ifp->if_l2com;
3069 vap = TAILQ_FIRST(&ic->ic_vaps);
3070
3071 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3072 "%s: enabling TSF\n",
3073 device_get_nameunit(sc->dev));
3074
3075 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3076
3077 tmp &= ~0x1fffff;
3078 tmp |= vap->iv_bss->ni_intval * 16;
3079 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3080
3081 if (vap->iv_opmode == IEEE80211_M_STA)
3082 {
3083 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3084 }
3085 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3086 {
3087 tmp |= RT2870_REG_BCN_TX_ENABLE;
3088 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3089 }
3090 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3091 {
3092 tmp |= RT2870_REG_BCN_TX_ENABLE;
3093 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3094 }
3095
3096 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3097 }
3098
3099 /*
3100 * rt2870_asic_disable_tsf_sync
3101 */
3102 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3103 {
3104 uint32_t tmp;
3105
3106 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3107 "%s: disabling TSF\n",
3108 device_get_nameunit(sc->dev));
3109
3110 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3111
3112 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3113 RT2870_REG_TSF_TIMER_ENABLE |
3114 RT2870_REG_TBTT_TIMER_ENABLE);
3115
3116 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3117 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3118
3119 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3120 }
3121
3122 /*
3123 * rt2870_asic_enable_mrr
3124 */
3125 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3126 {
3127 #define CCK(mcs) (mcs)
3128 #define OFDM(mcs) ((1 << 3) | (mcs))
3129 #define HT(mcs) (mcs)
3130
3131 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3132 (OFDM(6) << 28) | /* 54 -> 48 */
3133 (OFDM(5) << 24) | /* 48 -> 36 */
3134 (OFDM(4) << 20) | /* 36 -> 24 */
3135 (OFDM(3) << 16) | /* 24 -> 18 */
3136 (OFDM(2) << 12) | /* 18 -> 12 */
3137 (OFDM(1) << 8) | /* 12 -> 9 */
3138 (OFDM(0) << 4) | /* 9 -> 6 */
3139 OFDM(0)); /* 6 -> 6 */
3140
3141 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3142 (CCK(2) << 12) | /* 11 -> 5.5 */
3143 (CCK(1) << 8) | /* 5.5 -> 2 */
3144 (CCK(0) << 4) | /* 2 -> 1 */
3145 CCK(0)); /* 1 -> 1 */
3146
3147 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3148 (HT(6) << 28) |
3149 (HT(5) << 24) |
3150 (HT(4) << 20) |
3151 (HT(3) << 16) |
3152 (HT(2) << 12) |
3153 (HT(1) << 8) |
3154 (HT(0) << 4) |
3155 HT(0));
3156
3157 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3158 (HT(14) << 28) |
3159 (HT(13) << 24) |
3160 (HT(12) << 20) |
3161 (HT(11) << 16) |
3162 (HT(10) << 12) |
3163 (HT(9) << 8) |
3164 (HT(8) << 4) |
3165 HT(7));
3166
3167 #undef HT
3168 #undef OFDM
3169 #undef CCK
3170 }
3171
3172 /*
3173 * rt2870_asic_set_txpreamble
3174 */
3175 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3176 {
3177 struct ifnet *ifp;
3178 struct ieee80211com *ic;
3179 uint32_t tmp;
3180
3181 ifp = sc->ifp;
3182 ic = ifp->if_l2com;
3183
3184 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3185 "%s: %s short Tx preamble\n",
3186 device_get_nameunit(sc->dev),
3187 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3188
3189 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3190
3191 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3192
3193 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3194 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3195
3196 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3197 }
3198
3199 /*
3200 * rt2870_asic_set_basicrates
3201 */
3202 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3203 {
3204 struct ifnet *ifp;
3205 struct ieee80211com *ic;
3206
3207 ifp = sc->ifp;
3208 ic = ifp->if_l2com;
3209
3210 if (ic->ic_curmode == IEEE80211_MODE_11B)
3211 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3212 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3213 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3214 else
3215 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3216 }
3217
3218 /*
3219 * rt2870_asic_update_rtsthreshold
3220 */
3221 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3222 {
3223 struct ifnet *ifp;
3224 struct ieee80211com *ic;
3225 struct ieee80211vap *vap;
3226 uint32_t tmp;
3227 uint16_t threshold;
3228
3229 ifp = sc->ifp;
3230 ic = ifp->if_l2com;
3231 vap = TAILQ_FIRST(&ic->ic_vaps);
3232
3233 if (vap == NULL)
3234 threshold = IEEE80211_RTS_MAX;
3235 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3236 threshold = 0x1000;
3237 else
3238 threshold = vap->iv_rtsthreshold;
3239
3240 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3241 "%s: updating RTS threshold: %d\n",
3242 device_get_nameunit(sc->dev), threshold);
3243
3244 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3245
3246 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3247
3248 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3249 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3250
3251 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3252 }
3253
3254 /*
3255 * rt2870_asic_update_txpower
3256 */
3257 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3258 {
3259 struct ifnet *ifp;
3260 struct ieee80211com *ic;
3261 uint32_t *txpow_rate;
3262 int8_t delta;
3263 uint8_t val;
3264 uint32_t tmp;
3265 int i;
3266
3267 ifp = sc->ifp;
3268 ic = ifp->if_l2com;
3269
3270 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3271 "%s: updating Tx power: %d\n",
3272 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3273
3274 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3275 {
3276 txpow_rate = sc->txpow_rate_20mhz;
3277 }
3278 else
3279 {
3280 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3281 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3282 else
3283 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3284 }
3285
3286 delta = 0;
3287
3288 val = rt2870_io_bbp_read(sc, 1);
3289 val &= 0xfc;
3290
3291 if (ic->ic_txpowlimit > 90)
3292 {
3293 /* do nothing */
3294 }
3295 else if (ic->ic_txpowlimit > 60)
3296 {
3297 delta -= 1;
3298 }
3299 else if (ic->ic_txpowlimit > 30)
3300 {
3301 delta -= 3;
3302 }
3303 else if (ic->ic_txpowlimit > 15)
3304 {
3305 val |= 0x1;
3306 }
3307 else if (ic->ic_txpowlimit > 9)
3308 {
3309 val |= 0x1;
3310 delta -= 3;
3311 }
3312 else
3313 {
3314 val |= 0x2;
3315 }
3316
3317 rt2870_io_bbp_write(sc, 1, val);
3318
3319 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3320 {
3321 if (txpow_rate[i] == 0xffffffff)
3322 continue;
3323
3324 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3325
3326 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3327 }
3328 }
3329
3330 /*
3331 * rt2870_asic_update_promisc
3332 */
3333 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3334 {
3335 struct ifnet *ifp;
3336 uint32_t tmp;
3337
3338 ifp = sc->ifp;
3339
3340 printf("%s: %s promiscuous mode\n",
3341 device_get_nameunit(sc->dev),
3342 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3343
3344 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3345
3346 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3347
3348 if (!(ifp->if_flags & IFF_PROMISC))
3349 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3350
3351 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3352 }
3353
3354 /*
3355 * rt2870_asic_updateprot
3356 */
3357 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3358 {
3359 struct ifnet *ifp;
3360 struct ieee80211com *ic;
3361 struct ieee80211vap *vap;
3362 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3363 uint8_t htopmode;
3364 enum ieee80211_protmode htprotmode;
3365
3366 ifp = sc->ifp;
3367 ic = ifp->if_l2com;
3368 vap = TAILQ_FIRST(&ic->ic_vaps);
3369
3370 /* CCK frame protection */
3371
3372 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3373 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3374
3375 /* set up protection frame phy mode and rate (MCS code) */
3376
3377 if (ic->ic_curmode == IEEE80211_MODE_11A)
3378 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3379 (0 << RT2870_REG_PROT_MCS_SHIFT);
3380 else
3381 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3382 (3 << RT2870_REG_PROT_MCS_SHIFT));
3383
3384 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3385
3386 /* OFDM frame protection */
3387
3388 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3389 RT2870_REG_TXOP_ALLOW_ALL;
3390
3391 if (ic->ic_flags & IEEE80211_F_USEPROT)
3392 {
3393 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3394 "%s: updating protection mode: b/g protection mode=%s\n",
3395 device_get_nameunit(sc->dev),
3396 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3397 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3398
3399 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3400 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3401 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3402 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3403 else
3404 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3405 }
3406 else
3407 {
3408 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3409 "%s: updating protection mode: b/g protection mode=%s\n",
3410 device_get_nameunit(sc->dev), "none");
3411
3412 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3413 }
3414
3415 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3416
3417 /* HT frame protection */
3418
3419 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3420 htopmode = vap->iv_bss->ni_htopmode;
3421 else
3422 htopmode = ic->ic_curhtprotmode;
3423
3424 htprotmode = ic->ic_htprotmode;
3425
3426 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3427
3428 if (sc->tx_ampdu_sessions > 0)
3429 {
3430 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3431 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3432 device_get_nameunit(sc->dev));
3433
3434 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3435 htprotmode = IEEE80211_PROT_RTSCTS;
3436 }
3437
3438 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3439 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3440 device_get_nameunit(sc->dev),
3441 htopmode & IEEE80211_HTINFO_OPMODE,
3442 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3443 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3444
3445 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3446 {
3447 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3448 case IEEE80211_HTINFO_OPMODE_HT20PR:
3449 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3450 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3451 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3452 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3453 (4 << RT2870_REG_PROT_MCS_SHIFT);
3454
3455 gf20_prot = mm20_prot;
3456
3457 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3458 RT2870_REG_TXOP_ALLOW_ALL |
3459 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3460 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3461
3462 if (htprotmode == IEEE80211_PROT_RTSCTS)
3463 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3464 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3465 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3466 else
3467 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3468
3469 gf40_prot = mm40_prot;
3470 break;
3471
3472 /* IEEE80211_HTINFO_OPMODE_MIXED */
3473 case IEEE80211_HTINFO_OPMODE_MIXED:
3474 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3475 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3476 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3477
3478 if (ic->ic_flags & IEEE80211_F_USEPROT)
3479 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3480 (3 << RT2870_REG_PROT_MCS_SHIFT);
3481 else
3482 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3483 (4 << RT2870_REG_PROT_MCS_SHIFT);
3484
3485 if (htprotmode == IEEE80211_PROT_RTSCTS)
3486 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3487 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3488 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3489 else
3490 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3491
3492 gf20_prot = mm20_prot;
3493
3494 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3495
3496 if (ic->ic_flags & IEEE80211_F_USEPROT)
3497 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3498 (3 << RT2870_REG_PROT_MCS_SHIFT);
3499 else
3500 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3501 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3502
3503 if (htprotmode == IEEE80211_PROT_RTSCTS)
3504 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3505 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3506 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3507 else
3508 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3509
3510 gf40_prot = mm40_prot;
3511 break;
3512
3513 /*
3514 * IEEE80211_HTINFO_OPMODE_PURE
3515 * IEEE80211_HTINFO_OPMODE_PROTOPT
3516 */
3517 case IEEE80211_HTINFO_OPMODE_PURE:
3518 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3519 default:
3520 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3521 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3522 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3523 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3524 (4 << RT2870_REG_PROT_MCS_SHIFT);
3525
3526 gf20_prot = mm20_prot;
3527
3528 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3529 RT2870_REG_TXOP_ALLOW_ALL |
3530 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3531 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3532
3533 gf40_prot = mm40_prot;
3534 break;
3535 }
3536
3537 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3538 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3539 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3540 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3541 }
3542
3543 /*
3544 * rt2870_asic_updateslot
3545 */
3546 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3547 {
3548 struct ifnet *ifp;
3549 struct ieee80211com *ic;
3550 struct ieee80211vap *vap;
3551 uint32_t tmp;
3552
3553 ifp = sc->ifp;
3554 ic = ifp->if_l2com;
3555 vap = TAILQ_FIRST(&ic->ic_vaps);
3556
3557 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3558 "%s: %s short slot time\n",
3559 device_get_nameunit(sc->dev),
3560 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3561 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3562
3563 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3564
3565 tmp &= ~0xff;
3566
3567 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3568 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3569 tmp |= IEEE80211_DUR_SHSLOT;
3570 else
3571 tmp |= IEEE80211_DUR_SLOT;
3572
3573 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3574 }
3575
3576 /*
3577 * rt2870_asic_wme_update
3578 */
3579 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3580 {
3581 struct ifnet *ifp;
3582 struct ieee80211com *ic;
3583 struct ieee80211_wme_state *wme;
3584 const struct wmeParams *wmep;
3585 int i;
3586
3587 ifp = sc->ifp;
3588 ic = ifp->if_l2com;
3589 wme = &ic->ic_wme;
3590 wmep = wme->wme_chanParams.cap_wmeParams;
3591
3592 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3593 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3594 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3595 device_get_nameunit(sc->dev),
3596 wmep[WME_AC_VO].wmep_aifsn,
3597 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3598 wmep[WME_AC_VO].wmep_txopLimit,
3599 wmep[WME_AC_VI].wmep_aifsn,
3600 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3601 wmep[WME_AC_VI].wmep_txopLimit,
3602 wmep[WME_AC_BK].wmep_aifsn,
3603 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3604 wmep[WME_AC_BK].wmep_txopLimit,
3605 wmep[WME_AC_BE].wmep_aifsn,
3606 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3607 wmep[WME_AC_BE].wmep_txopLimit);
3608
3609 for (i = 0; i < WME_NUM_AC; i++)
3610 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3611 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3612 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3613
3614 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3615 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3616 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3617
3618 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3619 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3620 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3621
3622 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3623 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3624 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3625
3626 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3627 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3628
3629 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3630 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3631 }
3632
3633 /*
3634 * rt2870_asic_update_beacon
3635 */
3636 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
3637 struct ieee80211vap *vap)
3638 {
3639 struct rt2870_softc_vap *rvap;
3640 struct mbuf *m;
3641 struct rt2870_txwi *txwi;
3642 uint32_t tmp;
3643
3644 rvap = (struct rt2870_softc_vap *) vap;
3645
3646 m = rvap->beacon_mbuf;
3647 txwi = &rvap->beacon_txwi;
3648
3649 /* disable temporarily TSF sync */
3650
3651 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3652
3653 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3654 RT2870_REG_TSF_TIMER_ENABLE |
3655 RT2870_REG_TBTT_TIMER_ENABLE);
3656
3657 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3658
3659 /* write Tx wireless info and beacon frame to on-chip memory */
3660
3661 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3662 txwi, sizeof(struct rt2870_txwi));
3663
3664 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3665 mtod(m, uint8_t *), m->m_pkthdr.len);
3666
3667 /* enable again TSF sync */
3668
3669 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3670
3671 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3672 RT2870_REG_TSF_TIMER_ENABLE |
3673 RT2870_REG_TBTT_TIMER_ENABLE);
3674
3675 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3676 }
3677
3678 /*
3679 * rt2870_asic_clear_keytables
3680 */
3681 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3682 {
3683 int i;
3684
3685 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3686
3687 for (i = 0; i < 256; i++)
3688 {
3689 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3690 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3691 }
3692
3693 /* clear WCID attribute table (entries = 256, entry size = 4) */
3694
3695 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3696
3697 /* clear IV/EIV table (entries = 256, entry size = 8) */
3698
3699 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3700
3701 /* clear pairwise key table (entries = 256, entry size = 32) */
3702
3703 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3704
3705 /* clear shared key table (entries = 32, entry size = 32) */
3706
3707 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3708
3709 /* clear shared key mode (entries = 32, entry size = 2) */
3710
3711 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3712 }
3713
3714 /*
3715 * rt2870_beacon_alloc
3716 */
3717 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
3718 struct ieee80211vap *vap)
3719 {
3720 struct ieee80211com *ic;
3721 struct rt2870_softc_vap *rvap;
3722 const struct ieee80211_txparam *tp;
3723 struct mbuf *m;
3724 struct rt2870_txwi txwi;
3725 uint8_t rate, mcs;
3726
3727 ic = vap->iv_ic;
3728 rvap = (struct rt2870_softc_vap *) vap;
3729 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3730
3731 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3732 if (m == NULL)
3733 return ENOMEM;
3734
3735 rate = tp->mgmtrate;
3736 mcs = rt2870_rate2mcs(rate);
3737
3738 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3739
3740 txwi.wcid = 0xff;
3741 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3742 RT2870_TXWI_MPDU_LEN_SHIFT);
3743 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3744 txwi.mpdu_density_flags |=
3745 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3746 txwi.bawin_size_xflags |=
3747 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3748
3749 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3750 {
3751 txwi.phymode_ifs_stbc_shortgi =
3752 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3753
3754 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3755 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3756 }
3757 else
3758 {
3759 txwi.phymode_ifs_stbc_shortgi =
3760 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3761 }
3762
3763 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3764 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3765
3766 if (rvap->beacon_mbuf != NULL)
3767 {
3768 m_free(rvap->beacon_mbuf);
3769 rvap->beacon_mbuf = NULL;
3770 }
3771
3772 rvap->beacon_mbuf = m;
3773 rvap->beacon_txwi = txwi;
3774
3775 return 0;
3776 }
3777
3778 /*
3779 * rt2870_rxrate
3780 */
3781 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3782 {
3783 uint8_t mcs, phymode;
3784 uint8_t rate;
3785
3786 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3787 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3788 RT2870_RXWI_PHYMODE_MASK;
3789
3790 rate = 2;
3791
3792 switch (phymode)
3793 {
3794 case RT2870_RXWI_PHYMODE_CCK:
3795 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3796 {
3797 case 0: rate = 2; break; /* 1 Mbps */
3798 case 1: rate = 4; break; /* 2 MBps */
3799 case 2: rate = 11; break; /* 5.5 Mbps */
3800 case 3: rate = 22; break; /* 11 Mbps */
3801 }
3802 break;
3803
3804 case RT2870_RXWI_PHYMODE_OFDM:
3805 switch (mcs)
3806 {
3807 case 0: rate = 12; break; /* 6 Mbps */
3808 case 1: rate = 18; break; /* 9 Mbps */
3809 case 2: rate = 24; break; /* 12 Mbps */
3810 case 3: rate = 36; break; /* 18 Mbps */
3811 case 4: rate = 48; break; /* 24 Mbps */
3812 case 5: rate = 72; break; /* 36 Mbps */
3813 case 6: rate = 96; break; /* 48 Mbps */
3814 case 7: rate = 108; break; /* 54 Mbps */
3815 }
3816 break;
3817
3818 case RT2870_RXWI_PHYMODE_HT_MIXED:
3819 case RT2870_RXWI_PHYMODE_HT_GF:
3820 break;
3821 }
3822
3823 return rate;
3824 }
3825
3826 /*
3827 * rt2870_maxrssi_rxpath
3828 */
3829 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3830 const struct rt2870_rxwi *rxwi)
3831 {
3832 uint8_t rxpath;
3833
3834 rxpath = 0;
3835
3836 if (sc->nrxpath > 1)
3837 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3838 rxpath = 1;
3839
3840 if (sc->nrxpath > 2)
3841 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3842 rxpath = 2;
3843
3844 return rxpath;
3845 }
3846
3847 /*
3848 * rt2870_rssi2dbm
3849 */
3850 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3851 uint8_t rssi, uint8_t rxpath)
3852 {
3853 struct ifnet *ifp;
3854 struct ieee80211com *ic;
3855 struct ieee80211_channel *c;
3856 int chan;
3857 int8_t rssi_off, lna_gain;
3858
3859 if (rssi == 0)
3860 return -99;
3861
3862 ifp = sc->ifp;
3863 ic = ifp->if_l2com;
3864 c = ic->ic_curchan;
3865 chan = ieee80211_chan2ieee(ic, c);
3866
3867 if (IEEE80211_IS_CHAN_5GHZ(c))
3868 {
3869 rssi_off = sc->rssi_off_5ghz[rxpath];
3870
3871 if (chan <= 64)
3872 lna_gain = sc->lna_gain[1];
3873 else if (chan <= 128)
3874 lna_gain = sc->lna_gain[2];
3875 else
3876 lna_gain = sc->lna_gain[3];
3877 }
3878 else
3879 {
3880 rssi_off = sc->rssi_off_2ghz[rxpath];
3881 lna_gain = sc->lna_gain[0];
3882 }
3883
3884 return (-12 - rssi_off - lna_gain - rssi);
3885 }
3886
3887 /*
3888 * rt2870_rate2mcs
3889 */
3890 static uint8_t rt2870_rate2mcs(uint8_t rate)
3891 {
3892 switch (rate)
3893 {
3894 /* CCK rates */
3895 case 2: return 0;
3896 case 4: return 1;
3897 case 11: return 2;
3898 case 22: return 3;
3899
3900 /* OFDM rates */
3901 case 12: return 0;
3902 case 18: return 1;
3903 case 24: return 2;
3904 case 36: return 3;
3905 case 48: return 4;
3906 case 72: return 5;
3907 case 96: return 6;
3908 case 108: return 7;
3909 }
3910
3911 return 0;
3912 }
3913
3914 /*
3915 * rt2870_rx_frame
3916 */
3917 static void rt2870_rx_frame(struct rt2870_softc *sc,
3918 uint8_t *buf, uint32_t dmalen)
3919 {
3920 struct ifnet *ifp;
3921 struct ieee80211com *ic;
3922 struct ieee80211_frame *wh;
3923 struct ieee80211_node *ni;
3924 struct rt2870_softc_node *rni;
3925 struct rt2870_softc_rx_radiotap_header *tap;
3926 struct rt2870_rxwi *rxwi;
3927 struct rt2870_rxinfo *rxinfo;
3928 struct mbuf *m;
3929 uint32_t rxinfo_flags;
3930 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
3931 int8_t rssi_dbm;
3932 int len, ampdu, amsdu, rssi_dbm_rel, i;
3933
3934 ifp = sc->ifp;
3935 ic = ifp->if_l2com;
3936
3937 /* get Rx wireless info */
3938
3939 rxwi = (struct rt2870_rxwi *) buf;
3940 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3941 RT2870_RXWI_SIZE_MASK;
3942
3943 if (len > dmalen)
3944 {
3945 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3946 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3947 device_get_nameunit(sc->dev), dmalen, len);
3948 return;
3949 }
3950
3951 /* get Rx info */
3952
3953 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3954 rxinfo_flags = le32toh(rxinfo->flags);
3955
3956 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3957 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3958 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3959
3960 /* check for crc errors */
3961
3962 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3963 {
3964 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3965 "%s: rxinfo: crc error\n",
3966 device_get_nameunit(sc->dev));
3967
3968 ifp->if_ierrors++;
3969
3970 if (!(ifp->if_flags & IFF_PROMISC))
3971 return;
3972 }
3973
3974 wh = (struct ieee80211_frame *) (rxwi + 1);
3975
3976 /* check for L2 padding between IEEE 802.11 frame header and body */
3977
3978 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3979 {
3980 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3981 "%s: L2 padding: DMA len=%d, len=%d\n",
3982 device_get_nameunit(sc->dev), dmalen, len);
3983
3984 len += 2;
3985 }
3986
3987 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3988 if (m == NULL)
3989 {
3990 sc->rx_mbuf_alloc_errors++;
3991 ifp->if_ierrors++;
3992 return;
3993 }
3994
3995 m->m_pkthdr.rcvif = ifp;
3996 m->m_pkthdr.len = m->m_len = len;
3997
3998 m_copyback(m, 0, len, (caddr_t) wh);
3999
4000 wh = mtod(m, struct ieee80211_frame *);
4001
4002 /* check for cipher errors */
4003
4004 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4005 {
4006 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4007 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4008 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4009 {
4010 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4011 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4012
4013 m->m_flags |= M_WEP;
4014
4015 sc->rx_cipher_no_errors++;
4016 }
4017 else
4018 {
4019 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4020 "%s: rxinfo: cipher error=0x%02x\n",
4021 device_get_nameunit(sc->dev), cipher_err);
4022
4023 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_ICV)
4024 sc->rx_cipher_icv_errors++;
4025 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC)
4026 sc->rx_cipher_mic_errors++;
4027 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_INVALID_KEY)
4028 sc->rx_cipher_invalid_key_errors++;
4029
4030 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4031 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4032 {
4033 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
4034 if (ni != NULL)
4035 {
4036 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4037 RT2870_RXWI_KEYIDX_MASK;
4038
4039 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
4040
4041 ieee80211_free_node(ni);
4042 }
4043 }
4044
4045 ifp->if_ierrors++;
4046
4047 if (!(ifp->if_flags & IFF_PROMISC))
4048 {
4049 m_free(m);
4050 return;
4051 }
4052 }
4053 }
4054 else
4055 {
4056 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4057 {
4058 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4059 "%s: rxinfo: not decrypted but protected flag set\n",
4060 device_get_nameunit(sc->dev));
4061
4062 ifp->if_ierrors++;
4063
4064 if (!(ifp->if_flags & IFF_PROMISC))
4065 {
4066 m_free(m);
4067 return;
4068 }
4069 }
4070 }
4071
4072 /* check for A-MPDU */
4073
4074 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
4075 {
4076 m->m_flags |= M_AMPDU;
4077
4078 sc->rx_ampdu++;
4079
4080 ampdu = 1;
4081 }
4082 else
4083 {
4084 ampdu = 0;
4085 }
4086
4087 /* check for A-MSDU */
4088
4089 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4090 {
4091 sc->rx_amsdu++;
4092
4093 amsdu = 1;
4094 }
4095 else
4096 {
4097 amsdu = 0;
4098 }
4099
4100 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4101 rssi = rxwi->rssi[ant];
4102 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4103 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4104 RT2870_RXWI_PHYMODE_MASK);
4105 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4106 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4107 RT2870_RXWI_SHORTGI_MASK);
4108 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4109
4110 if (ieee80211_radiotap_active(ic))
4111 {
4112 tap = &sc->rxtap;
4113
4114 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4115 tap->dbm_antsignal = rssi_dbm;
4116 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4117 tap->antenna = ant;
4118 tap->antsignal = rssi;
4119 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4120 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4121 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4122 tap->chan_maxpow = 0;
4123
4124 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4125 tap->rate = rt2870_rxrate(rxwi);
4126 else
4127 tap->rate = mcs | IEEE80211_RATE_MCS;
4128
4129 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4130 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4131
4132 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4133 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4134
4135 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4136 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4137
4138 if (shortgi)
4139 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4140 }
4141
4142 /*
4143 * net80211 assumes that RSSI data are in the range [-127..127] and
4144 * in .5 dBm units relative to the current noise floor
4145 */
4146
4147 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4148 if (rssi_dbm_rel > 127)
4149 rssi_dbm_rel = 127;
4150
4151 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4152 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4153 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
4154 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
4155 device_get_nameunit(sc->dev),
4156 len, phymode, bw, shortgi, mcs,
4157 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4158 rxwi->snr[0], rxwi->snr[1],
4159 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
4160
4161 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4162 if (ni != NULL)
4163 {
4164 rni = (struct rt2870_softc_node *) ni;
4165
4166 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4167 {
4168 rni->last_rssi[i] = rxwi->rssi[i];
4169 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4170 }
4171
4172 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4173 ieee80211_free_node(ni);
4174 }
4175 else
4176 {
4177 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4178 }
4179 }
4180
4181 /*
4182 * rt2870_tx_mgmt
4183 */
4184 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4185 struct mbuf *m, struct ieee80211_node *ni, int qid)
4186 {
4187 struct ifnet *ifp;
4188 struct ieee80211com *ic;
4189 struct ieee80211vap *vap;
4190 const struct ieee80211_txparam *tp;
4191 struct rt2870_softc_node *rni;
4192 struct rt2870_softc_tx_ring *ring;
4193 struct rt2870_softc_tx_data *data;
4194 struct rt2870_txinfo *txinfo;
4195 struct rt2870_txwi *txwi;
4196 struct ieee80211_frame *wh;
4197 struct rt2870_softc_tx_radiotap_header *tap;
4198 u_int hdrsize, hdrspace;
4199 uint8_t rate, stbc, shortgi, mcs, pid;
4200 uint16_t len, dmalen, mpdu_len, dur;
4201 int mimops;
4202
4203 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4204 ("%s: Tx MGMT: invalid qid=%d\n",
4205 device_get_nameunit(sc->dev), qid));
4206
4207 ifp = sc->ifp;
4208 ic = ifp->if_l2com;
4209 vap = ni->ni_vap;
4210 rni = (struct rt2870_softc_node *) ni;
4211 tp = ni->ni_txparms;
4212
4213 ring = &sc->tx_ring[qid];
4214 data = STAILQ_FIRST(&ring->inactive);
4215 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4216 txinfo = (struct rt2870_txinfo *) data->buf;
4217 txwi = (struct rt2870_txwi *) (txinfo + 1);
4218
4219 wh = mtod(m, struct ieee80211_frame *);
4220
4221 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4222
4223 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4224
4225 /* align end on a 4-bytes boundary */
4226
4227 dmalen = (len + 3) & ~3;
4228
4229 /* fill Tx info */
4230
4231 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4232
4233 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4234
4235 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4236
4237 dmalen += 4;
4238
4239 memset((caddr_t) txinfo + len, 0, dmalen - len);
4240
4241 /* fill Tx wireless info */
4242
4243 if (ni->ni_flags & IEEE80211_NODE_HT)
4244 mcs = rate;
4245 else
4246 mcs = rt2870_rate2mcs(rate);
4247
4248 /* calculate MPDU length without padding */
4249
4250 hdrsize = ieee80211_hdrsize(wh);
4251 hdrspace = ieee80211_hdrspace(ic, wh);
4252 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4253
4254 memset(txwi, 0, sizeof(struct rt2870_txwi));
4255
4256 /* management frames do not need encryption */
4257
4258 txwi->wcid = 0xff;
4259
4260 /* MIMO power save */
4261
4262 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4263 {
4264 if (mcs > 7)
4265 {
4266 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4267 {
4268 /* dynamic MIMO power save */
4269
4270 txwi->mpdu_density_flags |=
4271 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4272 }
4273 else
4274 {
4275 /* static MIMO power save */
4276
4277 mcs = 7;
4278 }
4279 }
4280
4281 mimops = 1;
4282 }
4283 else
4284 {
4285 mimops = 0;
4286 }
4287
4288 pid = mcs;
4289
4290 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4291 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4292 RT2870_TXWI_MPDU_LEN_SHIFT);
4293
4294 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4295 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4296
4297 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4298 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4299
4300 txwi->phymode_ifs_stbc_shortgi |=
4301 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4302 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4303
4304 txwi->phymode_ifs_stbc_shortgi |=
4305 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4306
4307 if (ni->ni_flags & IEEE80211_NODE_HT)
4308 {
4309 txwi->phymode_ifs_stbc_shortgi |=
4310 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4311 }
4312 else
4313 {
4314 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4315 {
4316 txwi->phymode_ifs_stbc_shortgi |=
4317 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4318
4319 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4320 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4321 }
4322 else
4323 {
4324 txwi->phymode_ifs_stbc_shortgi |=
4325 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4326 }
4327 }
4328
4329 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4330 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4331
4332 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4333
4334 /* skip ACKs for multicast frames */
4335
4336 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4337 {
4338 txwi->bawin_size_xflags |=
4339 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4340
4341 if (ni->ni_flags & IEEE80211_NODE_HT)
4342 {
4343 /* preamble + plcp + signal extension + SIFS */
4344
4345 dur = 16 + 4 + 6 + 10;
4346 }
4347 else
4348 {
4349 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4350 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4351 }
4352
4353 *(uint16_t *) wh->i_dur = htole16(dur);
4354 }
4355
4356 /* ask MAC to insert timestamp into probe responses */
4357
4358 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4359 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4360 txwi->mpdu_density_flags |=
4361 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4362
4363 if (ieee80211_radiotap_active_vap(vap))
4364 {
4365 tap = &sc->txtap;
4366
4367 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4368 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4369 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4370 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4371 tap->chan_maxpow = 0;
4372
4373 if (ni->ni_flags & IEEE80211_NODE_HT)
4374 tap->rate = mcs | IEEE80211_RATE_MCS;
4375 else
4376 tap->rate = rate;
4377
4378 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4379 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4380
4381 if (shortgi)
4382 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4383
4384 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4385 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4386
4387 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4388 {
4389 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4390
4391 ieee80211_radiotap_tx(vap, m);
4392
4393 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4394 }
4395 else
4396 {
4397 ieee80211_radiotap_tx(vap, m);
4398 }
4399 }
4400
4401 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4402
4403 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4404 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4405 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4406 device_get_nameunit(sc->dev),
4407 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4408
4409 data->len = dmalen;
4410 data->m = m;
4411 data->ni = ni;
4412
4413 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4414 ring->queued++;
4415
4416 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4417
4418 return 0;
4419 }
4420
4421 /*
4422 * rt2870_tx_data
4423 */
4424 static int rt2870_tx_data(struct rt2870_softc *sc,
4425 struct mbuf *m, struct ieee80211_node *ni, int qid)
4426 {
4427 struct ifnet *ifp;
4428 struct ieee80211com *ic;
4429 struct ieee80211vap *vap;
4430 const struct ieee80211_txparam *tp;
4431 struct rt2870_softc_node *rni;
4432 struct rt2870_softc_tx_ring *ring;
4433 struct rt2870_softc_tx_data *data;
4434 struct rt2870_txinfo *txinfo;
4435 struct rt2870_txwi *txwi;
4436 struct ieee80211_frame *wh;
4437 struct ieee80211_tx_ampdu *tx_ampdu;
4438 ieee80211_seq seqno;
4439 struct rt2870_softc_tx_radiotap_header *tap;
4440 u_int hdrsize, hdrspace;
4441 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4442 uint16_t qos, len, dmalen, mpdu_len, dur;
4443 int hasqos, ac, tid, ampdu, mimops;
4444
4445 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4446 ("%s: Tx data: invalid qid=%d\n",
4447 device_get_nameunit(sc->dev), qid));
4448
4449 ifp = sc->ifp;
4450 ic = ifp->if_l2com;
4451 vap = ni->ni_vap;
4452 rni = (struct rt2870_softc_node *) ni;
4453 tp = ni->ni_txparms;
4454
4455 ring = &sc->tx_ring[qid];
4456 data = STAILQ_FIRST(&ring->inactive);
4457 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4458 txinfo = (struct rt2870_txinfo *) data->buf;
4459 txwi = (struct rt2870_txwi *) (txinfo + 1);
4460
4461 wh = mtod(m, struct ieee80211_frame *);
4462
4463 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4464
4465 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4466 if (hasqos)
4467 {
4468 if (IEEE80211_HAS_ADDR4(wh))
4469 qos = le16toh(*(const uint16_t *)
4470 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4471 else
4472 qos = le16toh(*(const uint16_t *)
4473 (((struct ieee80211_qosframe *) wh)->i_qos));
4474 }
4475 else
4476 {
4477 qos = 0;
4478 }
4479
4480 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4481 rate = tp->mcastrate;
4482 else if (m->m_flags & M_EAPOL)
4483 rate = tp->mgmtrate;
4484 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4485 rate = tp->ucastrate;
4486 else
4487 rate = ni->ni_txrate;
4488
4489 rate &= IEEE80211_RATE_VAL;
4490
4491 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4492
4493 /* align end on a 4-bytes boundary */
4494
4495 dmalen = (len + 3) & ~3;
4496
4497 /* fill Tx info */
4498
4499 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4500
4501 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4502
4503 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4504
4505 dmalen += 4;
4506
4507 memset((caddr_t) txinfo + len, 0, dmalen - len);
4508
4509 /* fill Tx wireless info */
4510
4511 if (ni->ni_flags & IEEE80211_NODE_HT)
4512 mcs = rate;
4513 else
4514 mcs = rt2870_rate2mcs(rate);
4515
4516 if (type == IEEE80211_FC0_TYPE_DATA)
4517 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? RT2870_AID2WCID(ni->ni_associd) : 0;
4518 else
4519 wcid = 0xff;
4520
4521 /* calculate MPDU length without padding */
4522
4523 hdrsize = ieee80211_hdrsize(wh);
4524 hdrspace = ieee80211_hdrspace(ic, wh);
4525 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4526
4527 memset(txwi, 0, sizeof(struct rt2870_txwi));
4528
4529 txwi->wcid = wcid;
4530
4531 /* MIMO power save */
4532
4533 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4534 {
4535 if (mcs > 7)
4536 {
4537 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4538 {
4539 /* dynamic MIMO power save */
4540
4541 txwi->mpdu_density_flags |=
4542 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4543 }
4544 else
4545 {
4546 /* static MIMO power save */
4547
4548 mcs = 7;
4549 }
4550 }
4551
4552 mimops = 1;
4553 }
4554 else
4555 {
4556 mimops = 0;
4557 }
4558
4559 pid = mcs;
4560
4561 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4562 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4563 RT2870_TXWI_MPDU_LEN_SHIFT);
4564
4565 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4566 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4567
4568 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4569 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4570
4571 txwi->phymode_ifs_stbc_shortgi |=
4572 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4573 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4574
4575 if (ni->ni_flags & IEEE80211_NODE_HT)
4576 {
4577 txwi->phymode_ifs_stbc_shortgi |=
4578 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4579 }
4580 else
4581 {
4582 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4583 {
4584 txwi->phymode_ifs_stbc_shortgi |=
4585 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4586
4587 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4588 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4589 }
4590 else
4591 {
4592 txwi->phymode_ifs_stbc_shortgi |=
4593 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4594 }
4595 }
4596
4597 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4598 bw = RT2870_TXWI_BW_40;
4599 else
4600 bw = RT2870_TXWI_BW_20;
4601
4602 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4603 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4604
4605 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4606
4607 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4608 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4609 {
4610 txwi->bawin_size_xflags |=
4611 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4612
4613 if (ni->ni_flags & IEEE80211_NODE_HT)
4614 {
4615 /* preamble + plcp + signal extension + SIFS */
4616
4617 dur = 16 + 4 + 6 + 10;
4618 }
4619 else
4620 {
4621 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4622 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4623 }
4624
4625 *(uint16_t *) wh->i_dur = htole16(dur);
4626 }
4627
4628 /* check fo A-MPDU */
4629
4630 if (m->m_flags & M_AMPDU_MPDU)
4631 {
4632 ac = M_WME_GETAC(m);
4633 tid = WME_AC_TO_TID(ac);
4634 tx_ampdu = &ni->ni_tx_ampdu[ac];
4635
4636 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4637 bawin_size = tx_ampdu->txa_wnd;
4638
4639 txwi->mpdu_density_flags |=
4640 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4641 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4642
4643 txwi->bawin_size_xflags |=
4644 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4645
4646 seqno = ni->ni_txseqs[tid]++;
4647
4648 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4649
4650 ampdu = 1;
4651 }
4652 else
4653 {
4654 ampdu = 0;
4655 }
4656
4657 /* ask MAC to insert timestamp into probe responses */
4658
4659 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4660 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4661 txwi->mpdu_density_flags |=
4662 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4663
4664 if (ieee80211_radiotap_active_vap(vap))
4665 {
4666 tap = &sc->txtap;
4667
4668 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4669 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4670 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4671 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4672 tap->chan_maxpow = 0;
4673
4674 if (ni->ni_flags & IEEE80211_NODE_HT)
4675 tap->rate = mcs | IEEE80211_RATE_MCS;
4676 else
4677 tap->rate = rate;
4678
4679 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4680 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4681
4682 if (shortgi)
4683 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4684
4685 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4686 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4687
4688 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4689 {
4690 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4691
4692 ieee80211_radiotap_tx(vap, m);
4693
4694 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4695 }
4696 else
4697 {
4698 ieee80211_radiotap_tx(vap, m);
4699 }
4700 }
4701
4702 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4703
4704 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4705 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4706 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d\n",
4707 device_get_nameunit(sc->dev),
4708 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4709 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen);
4710
4711 data->len = dmalen;
4712 data->m = m;
4713 data->ni = ni;
4714
4715 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4716 ring->queued++;
4717
4718 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4719
4720 return 0;
4721 }
4722
4723 /*
4724 * rt2870_tx_raw
4725 */
4726 static int rt2870_tx_raw(struct rt2870_softc *sc,
4727 struct mbuf *m, struct ieee80211_node *ni,
4728 const struct ieee80211_bpf_params *params)
4729 {
4730 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4731 "%s: Tx raw\n",
4732 device_get_nameunit(sc->dev));
4733
4734 return 0;
4735 }
4736
4737 /*
4738 * rt2870_rx_intr
4739 */
4740 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4741 {
4742 struct rt2870_softc *sc;
4743 struct ifnet *ifp;
4744 struct rt2870_softc_rx_ring *ring;
4745 struct rt2870_softc_rx_data *data;
4746 int len;
4747
4748 sc = usbd_xfer_softc(xfer);
4749 ifp = sc->ifp;
4750 ring = &sc->rx_ring;
4751
4752 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4753 "%s: Rx interrupt: state=%d, error=%s\n",
4754 device_get_nameunit(sc->dev),
4755 USB_GET_STATE(xfer), usbd_errstr(error));
4756
4757 switch (USB_GET_STATE(xfer))
4758 {
4759 case USB_ST_TRANSFERRED:
4760 sc->interrupts++;
4761 sc->rx_interrupts++;
4762
4763 data = STAILQ_FIRST(&ring->active);
4764 if (data == NULL)
4765 goto setup;
4766
4767 STAILQ_REMOVE_HEAD(&ring->active, next);
4768
4769 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4770
4771 data->len = len;
4772
4773 STAILQ_INSERT_TAIL(&ring->done, data, next);
4774
4775 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4776
4777 /* FALLTHROUGH */
4778
4779 setup:
4780
4781 case USB_ST_SETUP:
4782 data = STAILQ_FIRST(&ring->inactive);
4783 if (data == NULL)
4784 break;
4785
4786 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4787
4788 STAILQ_INSERT_TAIL(&ring->active, data, next);
4789
4790 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4791 usbd_transfer_submit(xfer);
4792 break;
4793
4794 default:
4795 sc->interrupts++;
4796 sc->rx_interrupts++;
4797
4798 data = STAILQ_FIRST(&ring->active);
4799 if (data != NULL)
4800 {
4801 STAILQ_REMOVE_HEAD(&ring->active, next);
4802 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4803 }
4804
4805 if (error != USB_ERR_CANCELLED)
4806 {
4807 ifp->if_ierrors++;
4808
4809 usbd_xfer_set_stall(xfer);
4810
4811 goto setup;
4812 }
4813 break;
4814 }
4815 }
4816
4817 /*
4818 * rt2870_tx_intr
4819 */
4820 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4821 {
4822 struct rt2870_softc *sc;
4823 struct ifnet *ifp;
4824 struct rt2870_softc_tx_ring *ring;
4825 struct rt2870_softc_tx_data *data;
4826
4827 sc = usbd_xfer_softc(xfer);
4828 ifp = sc->ifp;
4829 ring = usbd_xfer_get_priv(xfer);
4830
4831 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4832
4833 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4834 "%s: Tx interrupt: state=%d, error=%s\n",
4835 device_get_nameunit(sc->dev),
4836 USB_GET_STATE(xfer), usbd_errstr(error));
4837
4838 switch (USB_GET_STATE(xfer))
4839 {
4840 case USB_ST_TRANSFERRED:
4841 sc->interrupts++;
4842 sc->tx_interrupts[ring->qid]++;
4843
4844 data = STAILQ_FIRST(&ring->active);
4845 if (data == NULL)
4846 goto setup;
4847
4848 STAILQ_REMOVE_HEAD(&ring->active, next);
4849
4850 STAILQ_INSERT_TAIL(&ring->done, data, next);
4851
4852 sc->tx_qid_pending_mask |= (1 << ring->qid);
4853
4854 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4855
4856 /* FALLTHROUGH */
4857
4858 setup:
4859
4860 case USB_ST_SETUP:
4861 data = STAILQ_FIRST(&ring->pending);
4862 if (data == NULL)
4863 break;
4864
4865 STAILQ_REMOVE_HEAD(&ring->pending, next);
4866 STAILQ_INSERT_TAIL(&ring->active, data, next);
4867
4868 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4869 usbd_transfer_submit(xfer);
4870
4871 RT2870_SOFTC_UNLOCK(sc);
4872
4873 rt2870_start(ifp);
4874
4875 RT2870_SOFTC_LOCK(sc);
4876 break;
4877
4878 default:
4879 sc->interrupts++;
4880 sc->tx_interrupts[ring->qid]++;
4881
4882 data = STAILQ_FIRST(&ring->active);
4883 if (data != NULL)
4884 {
4885 STAILQ_REMOVE_HEAD(&ring->active, next);
4886
4887 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4888 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4889
4890 if (data->m != NULL)
4891 {
4892 m_freem(data->m);
4893 data->m = NULL;
4894 }
4895
4896 if (data->ni != NULL)
4897 {
4898 ieee80211_free_node(data->ni);
4899 data->ni = NULL;
4900 }
4901
4902 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4903
4904 ring->queued--;
4905 }
4906
4907 if (error != USB_ERR_CANCELLED)
4908 {
4909 ifp->if_oerrors++;
4910 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4911
4912 usbd_xfer_set_stall(xfer);
4913
4914 goto setup;
4915 }
4916 break;
4917 }
4918 }
4919
4920 /*
4921 * rt2870_rx_done_task
4922 */
4923 static void rt2870_rx_done_task(void *context, int pending)
4924 {
4925 struct rt2870_softc *sc;
4926 struct ifnet *ifp;
4927
4928 sc = context;
4929 ifp = sc->ifp;
4930
4931 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4932 "%s: Rx done task\n",
4933 device_get_nameunit(sc->dev));
4934
4935 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4936 return;
4937
4938 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4939 {
4940 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4941 "%s: Rx done task: scheduling again\n",
4942 device_get_nameunit(sc->dev));
4943
4944 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4945 }
4946 }
4947
4948 /*
4949 * rt2870_tx_done_task
4950 */
4951 static void rt2870_tx_done_task(void *context, int pending)
4952 {
4953 struct rt2870_softc *sc;
4954 struct ifnet *ifp;
4955 int i;
4956
4957 sc = context;
4958 ifp = sc->ifp;
4959
4960 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4961 "%s: Tx done task\n",
4962 device_get_nameunit(sc->dev));
4963
4964 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4965 return;
4966
4967 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4968 {
4969 if (sc->tx_qid_pending_mask & (1 << i))
4970 {
4971 sc->tx_qid_pending_mask &= ~(1 << i);
4972
4973 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4974 }
4975 }
4976
4977 if (sc->tx_qid_pending_mask != 0)
4978 {
4979 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4980 "%s: Tx done task: scheduling again\n",
4981 device_get_nameunit(sc->dev));
4982
4983 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4984 }
4985
4986 sc->tx_timer = 0;
4987
4988 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4989 }
4990
4991 /*
4992 * rt2870_periodic_task
4993 */
4994 static void rt2870_periodic_task(void *context, int pending)
4995 {
4996 struct rt2870_softc *sc;
4997 struct ifnet *ifp;
4998 struct ieee80211com *ic;
4999 struct ieee80211vap *vap;
5000
5001 sc = context;
5002 ifp = sc->ifp;
5003 ic = ifp->if_l2com;
5004 vap = TAILQ_FIRST(&ic->ic_vaps);
5005
5006 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5007 "%s: periodic task: round=%lu\n",
5008 device_get_nameunit(sc->dev), sc->periodic_round);
5009
5010 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5011 return;
5012
5013 RT2870_SOFTC_LOCK(sc);
5014
5015 sc->periodic_round++;
5016
5017 rt2870_update_stats(sc);
5018
5019 if ((sc->periodic_round % 10) == 0)
5020 {
5021 rt2870_bbp_tuning(sc);
5022
5023 rt2870_update_raw_counters(sc);
5024
5025 rt2870_watchdog(sc);
5026
5027 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5028 {
5029 if (vap->iv_opmode == IEEE80211_M_STA)
5030 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
5031 else
5032 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
5033 }
5034 }
5035
5036 RT2870_SOFTC_UNLOCK(sc);
5037
5038 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5039 }
5040
5041 /*
5042 * rt2870_cmd_task
5043 */
5044 static void rt2870_cmd_task(void *context, int pending)
5045 {
5046 struct rt2870_softc *sc;
5047 struct rt2870_softc_cmd_ring *ring;
5048 struct rt2870_softc_cmd *cmd;
5049
5050 sc = context;
5051 ring = &sc->cmd_ring;
5052
5053 while (1)
5054 {
5055 RT2870_SOFTC_LOCK(sc);
5056
5057 cmd = STAILQ_FIRST(&ring->active);
5058 if (cmd == NULL)
5059 {
5060 RT2870_SOFTC_UNLOCK(sc);
5061 break;
5062 }
5063
5064 STAILQ_REMOVE_HEAD(&ring->active, next);
5065
5066 RT2870_SOFTC_UNLOCK(sc);
5067
5068 cmd->cb(sc, cmd->data);
5069
5070 RT2870_SOFTC_LOCK(sc);
5071
5072 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5073 ring->queued--;
5074
5075 RT2870_SOFTC_UNLOCK(sc);
5076 }
5077 }
5078
5079 /*
5080 * rt2870_rx_eof
5081 */
5082 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5083 {
5084 struct ifnet *ifp;
5085 struct rt2870_softc_rx_ring *ring;
5086 struct rt2870_softc_rx_data *data;
5087 uint32_t dmalen;
5088 uint8_t *buf;
5089 int nframes, len;
5090
5091 ifp = sc->ifp;
5092 ring = &sc->rx_ring;
5093
5094 nframes = 0;
5095
5096 while (limit != 0)
5097 {
5098 RT2870_SOFTC_LOCK(sc);
5099
5100 data = STAILQ_FIRST(&ring->done);
5101 if (data == NULL)
5102 {
5103 RT2870_SOFTC_UNLOCK(sc);
5104 break;
5105 }
5106
5107 STAILQ_REMOVE_HEAD(&ring->done, next);
5108
5109 RT2870_SOFTC_UNLOCK(sc);
5110
5111 buf = data->buf;
5112 len = data->len;
5113
5114 if (len < RT2870_RX_DESC_SIZE)
5115 {
5116 ifp->if_ierrors++;
5117 goto skip;
5118 }
5119
5120 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5121 {
5122 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5123
5124 if (dmalen == 0 || (dmalen & 3) != 0)
5125 {
5126 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5127 "%s: bad DMA len=%u\n",
5128 device_get_nameunit(sc->dev), dmalen);
5129 goto skip;
5130 }
5131
5132 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5133 {
5134 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5135 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5136 device_get_nameunit(sc->dev),
5137 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5138 goto skip;
5139 }
5140
5141 nframes++;
5142
5143 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5144
5145 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5146 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5147 }
5148
5149 skip:
5150
5151 RT2870_SOFTC_LOCK(sc);
5152
5153 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5154
5155 usbd_transfer_start(sc->usb_xfer[0]);
5156
5157 RT2870_SOFTC_UNLOCK(sc);
5158
5159 limit--;
5160 }
5161
5162 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5163 "%s: Rx eof: nframes=%d\n",
5164 device_get_nameunit(sc->dev), nframes);
5165
5166 sc->rx_packets += nframes;
5167
5168 return (limit == 0);
5169 }
5170
5171 /*
5172 * rt2870_tx_eof
5173 */
5174 static void rt2870_tx_eof(struct rt2870_softc *sc,
5175 struct rt2870_softc_tx_ring *ring)
5176 {
5177 struct ifnet *ifp;
5178 struct rt2870_softc_tx_data *data;
5179 int nframes;
5180
5181 ifp = sc->ifp;
5182
5183 nframes = 0;
5184
5185 while (1)
5186 {
5187 RT2870_SOFTC_LOCK(sc);
5188
5189 data = STAILQ_FIRST(&ring->done);
5190 if (data == NULL)
5191 {
5192 RT2870_SOFTC_UNLOCK(sc);
5193 break;
5194 }
5195
5196 STAILQ_REMOVE_HEAD(&ring->done, next);
5197
5198 rt2870_drain_fifo_stats(sc);
5199
5200 RT2870_SOFTC_UNLOCK(sc);
5201
5202 nframes++;
5203
5204 if (data->m->m_flags & M_TXCB)
5205 ieee80211_process_callback(data->ni, data->m, 0);
5206
5207 m_freem(data->m);
5208
5209 ieee80211_free_node(data->ni);
5210
5211 data->m = NULL;
5212 data->ni = NULL;
5213
5214 RT2870_SOFTC_LOCK(sc);
5215
5216 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5217
5218 ring->queued--;
5219 ifp->if_opackets++;
5220
5221 RT2870_SOFTC_UNLOCK(sc);
5222 }
5223
5224 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5225 "%s: Tx eof: qid=%d, nframes=%d\n",
5226 device_get_nameunit(sc->dev), ring->qid, nframes);
5227 }
5228
5229 /*
5230 * rt2870_update_stats
5231 */
5232 static void rt2870_update_stats(struct rt2870_softc *sc)
5233 {
5234 struct ifnet *ifp;
5235 struct ieee80211com *ic;
5236 struct ieee80211vap *vap;
5237 struct ieee80211_node *ni;
5238 uint32_t stacnt[3];
5239 int beacons, noretryok, retryok, failed, underflows, zerolen;
5240 uint16_t associd;
5241 uint8_t wcid;
5242
5243 ifp = sc->ifp;
5244 ic = ifp->if_l2com;
5245 vap = TAILQ_FIRST(&ic->ic_vaps);
5246
5247 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5248 "%s: update statistic\n",
5249 device_get_nameunit(sc->dev));
5250
5251 rt2870_drain_fifo_stats(sc);
5252
5253 /* read and clear Tx statistic registers */
5254
5255 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5256 stacnt, sizeof(stacnt));
5257
5258 stacnt[0] = le32toh(stacnt[0]);
5259 stacnt[1] = le32toh(stacnt[1]);
5260 stacnt[2] = le32toh(stacnt[2]);
5261
5262 beacons = stacnt[0] >> 16;
5263 noretryok = stacnt[1] & 0xffff;
5264 retryok = stacnt[1] >> 16;
5265 failed = stacnt[0] & 0xffff;
5266 underflows = stacnt[2] >> 16;
5267 zerolen = stacnt[2] & 0xffff;
5268
5269 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5270 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5271 device_get_nameunit(sc->dev),
5272 beacons, noretryok, retryok, failed, underflows, zerolen);
5273
5274 ifp->if_oerrors += failed;
5275
5276 sc->tx_beacons += beacons;
5277 sc->tx_noretryok += noretryok;
5278 sc->tx_retryok += retryok;
5279 sc->tx_failed += failed;
5280 sc->tx_underflows += underflows;
5281 sc->tx_zerolen += zerolen;
5282
5283 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5284 {
5285 ni = vap->iv_bss;
5286
5287 associd = (ni != NULL) ? ni->ni_associd : 0;
5288 wcid = RT2870_AID2WCID(associd);
5289
5290 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
5291 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5292 }
5293 }
5294
5295 /*
5296 * rt2870_bbp_tuning
5297 */
5298 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5299 {
5300 struct ifnet *ifp;
5301 struct ieee80211com *ic;
5302 struct ieee80211vap *vap;
5303 struct ieee80211_node *ni;
5304 int chan, group;
5305 int8_t rssi, old, new;
5306
5307 /* RT2860C does not support BBP tuning */
5308
5309 if (sc->mac_rev == 0x28600100)
5310 return;
5311
5312 ifp = sc->ifp;
5313 ic = ifp->if_l2com;
5314 vap = TAILQ_FIRST(&ic->ic_vaps);
5315
5316 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5317 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5318 return;
5319
5320 ni = vap->iv_bss;
5321
5322 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5323
5324 if (chan <= 14)
5325 group = 0;
5326 else if (chan <= 64)
5327 group = 1;
5328 else if (chan <= 128)
5329 group = 2;
5330 else
5331 group = 3;
5332
5333 rssi = ieee80211_getrssi(vap);
5334
5335 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5336 {
5337 new = 0x2e + sc->lna_gain[group];
5338 }
5339 else
5340 {
5341 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5342 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5343 else
5344 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5345 }
5346
5347 /* Tune if absolute average RSSI is greater than -80 */
5348
5349 if (rssi > 30)
5350 new += 0x10;
5351
5352 old = rt2870_io_bbp_read(sc, 66);
5353
5354 if (old != new)
5355 rt2870_io_bbp_write(sc, 66, new);
5356 }
5357
5358 /*
5359 * rt2870_watchdog
5360 */
5361 static void rt2870_watchdog(struct rt2870_softc *sc)
5362 {
5363 uint32_t tmp;
5364 int ntries;
5365
5366 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5367
5368 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5369 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5370 device_get_nameunit(sc->dev), tmp);
5371
5372 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5373 {
5374 sc->tx_queue_not_empty[0]++;
5375
5376 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5377
5378 for (ntries = 0; ntries < 10; ntries++)
5379 {
5380 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5381 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5382 break;
5383
5384 DELAY(1);
5385 }
5386
5387 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5388 }
5389
5390 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5391 {
5392 sc->tx_queue_not_empty[1]++;
5393
5394 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5395
5396 for (ntries = 0; ntries < 10; ntries++)
5397 {
5398 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5399 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5400 break;
5401
5402 DELAY(1);
5403 }
5404
5405 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5406 }
5407 }
5408
5409 /*
5410 * rt2870_drain_fifo_stats
5411 */
5412 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5413 {
5414 struct ifnet *ifp;
5415 uint32_t stats;
5416 uint8_t wcid, mcs, pid;
5417 int ok, agg, retrycnt;
5418
5419 ifp = sc->ifp;
5420
5421 /* drain Tx status FIFO (maxsize = 16) */
5422
5423 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5424 RT2870_REG_TX_STA_FIFO_VALID)
5425 {
5426 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5427 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5428
5429 /* if no ACK was requested, no feedback is available */
5430
5431 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5432 continue;
5433
5434 /* update AMRR statistic */
5435
5436 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5437 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5438 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5439 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5440 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5441 RT2870_REG_TX_STA_FIFO_PID_MASK;
5442 retrycnt = pid - mcs;
5443
5444 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5445 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5446 device_get_nameunit(sc->dev),
5447 wcid, ok, agg, mcs, pid, retrycnt);
5448
5449 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5450
5451 if (!ok)
5452 ifp->if_oerrors++;
5453 }
5454 }
5455
5456 /*
5457 * rt2870_update_raw_counters
5458 */
5459 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5460 {
5461 uint32_t tmp;
5462
5463 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5464
5465 sc->tx_nonagg += tmp & 0xffff;
5466 sc->tx_agg += tmp >> 16;
5467
5468 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5469
5470 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5471
5472 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5473
5474 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5475
5476 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5477
5478 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5479
5480 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5481
5482 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5483
5484 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5485
5486 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5487
5488 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5489
5490 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5491
5492 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5493
5494 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5495
5496 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5497
5498 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5499
5500 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5501
5502 sc->rx_crc_errors += tmp & 0xffff;
5503 sc->rx_phy_errors += tmp >> 16;
5504
5505 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5506
5507 sc->rx_false_ccas += tmp & 0xffff;
5508 sc->rx_plcp_errors += tmp >> 16;
5509
5510 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5511
5512 sc->rx_dup_packets += tmp & 0xffff;
5513 sc->rx_fifo_overflows += tmp >> 16;
5514
5515 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5516
5517 sc->tx_mpdu_zero_density += tmp & 0xffff;
5518 sc->rx_mpdu_zero_density += tmp >> 16;
5519 }
5520
5521 /*
5522 * rt2870_txrx_enable
5523 */
5524 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5525 {
5526 struct ieee80211com *ic;
5527 struct ifnet *ifp;
5528 uint32_t tmp;
5529 int ntries;
5530
5531 ifp = sc->ifp;
5532 ic = ifp->if_l2com;
5533
5534 /* enable Tx/Rx DMA engine */
5535
5536 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5537
5538 tmp &= 0xffffff00;
5539 tmp |= 0x1e;
5540
5541 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5542
5543 if ((sc->mac_rev & 0xffff) != 0x0101)
5544 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5545
5546 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5547
5548 for (ntries = 0; ntries < 200; ntries++)
5549 {
5550 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5551 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5552 break;
5553
5554 DELAY(1000);
5555 }
5556
5557 if (ntries == 200)
5558 {
5559 printf("%s: timeout waiting for DMA engine\n",
5560 device_get_nameunit(sc->dev));
5561 return -1;
5562 }
5563
5564 DELAY(50);
5565
5566 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5567 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5568 (48 << 16) | 96);
5569
5570 tmp |= RT2870_REG_TX_WB_DDONE |
5571 RT2870_REG_RX_DMA_ENABLE |
5572 RT2870_REG_TX_DMA_ENABLE;
5573
5574 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5575
5576 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5577 RT2870_REG_USB_DMA_RX_ENABLE |
5578 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5579 /* Rx agg limit in unit of 1024 byte */
5580 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5581 /* Rx agg timeout in unit of 33ns */
5582 0x80;
5583
5584 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5585
5586 /* set Rx filter */
5587
5588 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5589 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5590
5591 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5592 {
5593 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5594 RT2870_REG_RX_FILTER_DROP_CTS |
5595 RT2870_REG_RX_FILTER_DROP_BA |
5596 RT2870_REG_RX_FILTER_DROP_ACK |
5597 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5598 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5599 RT2870_REG_RX_FILTER_DROP_CFACK |
5600 RT2870_REG_RX_FILTER_DROP_CFEND;
5601
5602 if (ic->ic_opmode == IEEE80211_M_STA)
5603 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5604 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5605
5606 if (!(ifp->if_flags & IFF_PROMISC))
5607 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5608 }
5609
5610 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5611
5612 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5613 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5614
5615 return 0;
5616 }
5617
5618 /*
5619 * rt2870_alloc_rx_ring
5620 */
5621 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5622 struct rt2870_softc_rx_ring *ring)
5623 {
5624 struct rt2870_softc_rx_data *data;
5625 int i, error;
5626
5627 STAILQ_INIT(&ring->inactive);
5628 STAILQ_INIT(&ring->active);
5629 STAILQ_INIT(&ring->done);
5630
5631 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5632 {
5633 data = &ring->data[i];
5634
5635 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5636 if (data->buf == NULL)
5637 {
5638 printf("%s: could not allocate Rx buffer\n",
5639 device_get_nameunit(sc->dev));
5640 error = ENOMEM;
5641 goto fail;
5642 }
5643
5644 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5645 }
5646
5647 return 0;
5648
5649 fail:
5650
5651 rt2870_free_rx_ring(sc, ring);
5652
5653 return error;
5654 }
5655
5656 /*
5657 * rt2870_reset_rx_ring
5658 */
5659 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5660 struct rt2870_softc_rx_ring *ring)
5661 {
5662 struct rt2870_softc_rx_data *data;
5663 int i;
5664
5665 STAILQ_INIT(&ring->inactive);
5666 STAILQ_INIT(&ring->active);
5667 STAILQ_INIT(&ring->done);
5668
5669 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5670 {
5671 data = &ring->data[i];
5672
5673 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5674 }
5675 }
5676
5677 /*
5678 * rt2870_free_rx_ring
5679 */
5680 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5681 struct rt2870_softc_rx_ring *ring)
5682 {
5683 struct rt2870_softc_rx_data *data;
5684 int i;
5685
5686 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5687 {
5688 data = &ring->data[i];
5689
5690 if (data->buf != NULL)
5691 {
5692 free(data->buf, M_USBDEV);
5693 data->buf = NULL;
5694 }
5695 }
5696 }
5697
5698 /*
5699 * rt2870_alloc_tx_ring
5700 */
5701 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5702 struct rt2870_softc_tx_ring *ring, int qid)
5703 {
5704 struct rt2870_softc_tx_data *data;
5705 int i, error;
5706
5707 STAILQ_INIT(&ring->inactive);
5708 STAILQ_INIT(&ring->pending);
5709 STAILQ_INIT(&ring->active);
5710 STAILQ_INIT(&ring->done);
5711
5712 ring->queued = 0;
5713 ring->qid = qid;
5714
5715 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5716 {
5717 data = &ring->data[i];
5718
5719 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5720 if (data->buf == NULL)
5721 {
5722 printf("%s: could not allocate Tx buffer\n",
5723 device_get_nameunit(sc->dev));
5724 error = ENOMEM;
5725 goto fail;
5726 }
5727
5728 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5729
5730 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5731 }
5732
5733 return 0;
5734
5735 fail:
5736
5737 rt2870_free_tx_ring(sc, ring);
5738
5739 return error;
5740 }
5741
5742 /*
5743 * rt2870_reset_tx_ring
5744 */
5745 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5746 struct rt2870_softc_tx_ring *ring)
5747 {
5748 struct rt2870_softc_tx_data *data;
5749 int i;
5750
5751 STAILQ_INIT(&ring->inactive);
5752 STAILQ_INIT(&ring->pending);
5753 STAILQ_INIT(&ring->active);
5754 STAILQ_INIT(&ring->done);
5755
5756 ring->queued = 0;
5757
5758 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5759 {
5760 data = &ring->data[i];
5761
5762 if (data->m != NULL)
5763 {
5764 m_free(data->m);
5765 data->m = NULL;
5766 }
5767
5768 if (data->ni != NULL)
5769 {
5770 ieee80211_free_node(data->ni);
5771 data->ni = NULL;
5772 }
5773
5774 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5775 }
5776 }
5777
5778 /*
5779 * rt2870_free_tx_ring
5780 */
5781 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5782 struct rt2870_softc_tx_ring *ring)
5783 {
5784 struct rt2870_softc_tx_data *data;
5785 int i;
5786
5787 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5788 {
5789 data = &ring->data[i];
5790
5791 if (data->buf != NULL)
5792 {
5793 free(data->buf, M_USBDEV);
5794 data->buf = NULL;
5795 }
5796
5797 if (data->m != NULL)
5798 {
5799 m_free(data->m);
5800 data->m = NULL;
5801 }
5802
5803 if (data->ni != NULL)
5804 {
5805 ieee80211_free_node(data->ni);
5806 data->ni = NULL;
5807 }
5808 }
5809 }
5810
5811 /*
5812 * rt2870_reset_cmd_ring
5813 */
5814 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5815 struct rt2870_softc_cmd_ring *ring)
5816 {
5817 struct rt2870_softc_cmd *cmd;
5818 int i;
5819
5820 STAILQ_INIT(&ring->inactive);
5821 STAILQ_INIT(&ring->active);
5822
5823 ring->queued = 0;
5824
5825 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5826 {
5827 cmd = &ring->cmd[i];
5828
5829 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5830 }
5831 }
5832
5833 /*
5834 * rt2870_sysctl_attach
5835 */
5836 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5837 {
5838 struct sysctl_ctx_list *ctx;
5839 struct sysctl_oid *tree;
5840 struct sysctl_oid *stats;
5841
5842 ctx = device_get_sysctl_ctx(sc->dev);
5843 tree = device_get_sysctl_tree(sc->dev);
5844
5845 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5846 "stats", CTLFLAG_RD, 0, "statistic");
5847
5848 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5849 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5850 "all interrupts");
5851
5852 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5853 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5854 "Rx interrupts");
5855
5856 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5857 {
5858 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5859 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5860 "Tx MGMT interrupts");
5861
5862 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5863 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5864 "Tx HCCA interrupts");
5865 }
5866
5867 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5868 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5869 "Tx AC3 interrupts");
5870
5871 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5872 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5873 "Tx AC2 interrupts");
5874
5875 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5876 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5877 "Tx AC1 interrupts");
5878
5879 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5880 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5881 "Tx AC0 interrupts");
5882
5883 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5884 {
5885 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5886 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5887 "Tx MGMT data queued");
5888
5889 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5890 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5891 "Tx HCCA data queued");
5892 }
5893
5894 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5895 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5896 "Tx AC3 data queued");
5897
5898 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5899 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5900 "Tx AC2 data queued");
5901
5902 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5903 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5904 "Tx AC1 data queued");
5905
5906 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5907 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5908 "Tx AC0 data queued");
5909
5910 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5911 {
5912 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5913 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5914 "Tx MGMT data queue full");
5915
5916 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5917 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5918 "Tx HCCA data queue full");
5919 }
5920
5921 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5922 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5923 "Tx AC3 data queue full");
5924
5925 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5926 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5927 "Tx AC2 data queue full");
5928
5929 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5930 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5931 "Tx AC1 data queue full");
5932
5933 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5934 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5935 "Tx AC0 data queue full");
5936
5937 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5938 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5939 "Tx watchdog timeouts");
5940
5941 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5942 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5943 "Rx mbuf allocation errors");
5944
5945 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5946 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5947 "Tx queue 0 not empty");
5948
5949 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5950 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5951 "Tx queue 1 not empty");
5952
5953 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5954 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5955 "Tx beacons");
5956
5957 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5958 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5959 "Tx successfull without retries");
5960
5961 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5962 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5963 "Tx successfull with retries");
5964
5965 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5966 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5967 "Tx failed");
5968
5969 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5970 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5971 "Tx underflows");
5972
5973 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5974 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5975 "Tx zero length");
5976
5977 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5978 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5979 "Tx non-aggregated");
5980
5981 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5982 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5983 "Tx aggregated");
5984
5985 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5986 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5987 "Tx A-MPDU");
5988
5989 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5990 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5991 "Tx MPDU with zero density");
5992
5993 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5994 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5995 "Rx packets");
5996
5997 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5998 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5999 "Rx A-MPDU");
6000
6001 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6002 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6003 "Rx MPDU with zero density");
6004
6005 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6006 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6007 "Rx A-MSDU");
6008
6009 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6010 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6011 "Rx CRC errors");
6012
6013 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6014 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6015 "Rx PHY errors");
6016
6017 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6018 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6019 "Rx false CCAs");
6020
6021 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6022 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6023 "Rx PLCP errors");
6024
6025 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6026 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6027 "Rx duplicate packets");
6028
6029 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6030 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6031 "Rx FIFO overflows");
6032
6033 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6034 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6035 "Rx cipher no errors");
6036
6037 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6038 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6039 "Rx cipher ICV errors");
6040
6041 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6042 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6043 "Rx cipher MIC errors");
6044
6045 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6046 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6047 "Rx cipher invalid key errors");
6048 }
6049
6050 static device_method_t rt2870_dev_methods[] =
6051 {
6052 DEVMETHOD(device_probe, rt2870_probe),
6053 DEVMETHOD(device_attach, rt2870_attach),
6054 DEVMETHOD(device_detach, rt2870_detach),
6055 { 0, 0 }
6056 };
6057
6058 static driver_t rt2870_driver =
6059 {
6060 "rt2870",
6061 rt2870_dev_methods,
6062 sizeof(struct rt2870_softc),
6063 };
6064
6065 static devclass_t rt2870_dev_class;
6066
6067 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6068 NULL, 0);
6069
6070 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6071 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870