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Update WCID attribute for group key in HOSTAP mode
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blobc52b6ec059cf998ef735ca4c34d6d9cb95f34285
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 key tables */
1370
1371 rt2870_asic_clear_keytables(sc);
1372
1373 /* clear beacon frame space (entries = 8, entry size = 512) */
1374
1375 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1376
1377 if (rt2870_txrx_enable(sc) != 0)
1378 goto fail;
1379
1380 /* clear garbage interrupts */
1381
1382 tmp = rt2870_io_mac_read(sc, 0x1300);
1383
1384 taskqueue_unblock(sc->taskqueue);
1385
1386 /* init Tx and Rx rings */
1387
1388 for(i = 0; i < sc->usb_endpoints - 1; i++)
1389 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1390
1391 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1392
1393 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1394
1395 for(i = 0; i < sc->usb_endpoints - 1; i++)
1396 {
1397 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1398 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1399 }
1400
1401 /* start up the receive pipe */
1402
1403 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1404 usbd_transfer_start(sc->usb_xfer[0]);
1405
1406 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1407 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1408
1409 sc->periodic_round = 0;
1410
1411 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1412
1413 return;
1414
1415 fail:
1416
1417 rt2870_stop_locked(sc);
1418 }
1419
1420 /*
1421 * rt2870_init
1422 */
1423 static void rt2870_init(void *priv)
1424 {
1425 struct rt2870_softc *sc;
1426
1427 sc = priv;
1428
1429 RT2870_SOFTC_LOCK(sc);
1430
1431 rt2870_init_locked(sc);
1432
1433 RT2870_SOFTC_UNLOCK(sc);
1434 }
1435
1436 /*
1437 * rt2870_init_bbp
1438 */
1439 static int rt2870_init_bbp(struct rt2870_softc *sc)
1440 {
1441 int ntries, i;
1442 uint8_t tmp;
1443
1444 for (ntries = 0; ntries < 20; ntries++)
1445 {
1446 tmp = rt2870_io_bbp_read(sc, 0);
1447 if (tmp != 0x00 && tmp != 0xff)
1448 break;
1449 }
1450
1451 if (tmp == 0x00 || tmp == 0xff)
1452 {
1453 printf("%s: timeout waiting for BBP to wakeup\n",
1454 device_get_nameunit(sc->dev));
1455 return ETIMEDOUT;
1456 }
1457
1458 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1459 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1460 rt2870_def_bbp[i].val);
1461
1462 if ((sc->mac_rev & 0xffff) != 0x0101)
1463 rt2870_io_bbp_write(sc, 84, 0x19);
1464
1465 if (sc->mac_rev == 0x28600100)
1466 {
1467 rt2870_io_bbp_write(sc, 69, 0x16);
1468 rt2870_io_bbp_write(sc, 73, 0x12);
1469 }
1470
1471 return 0;
1472 }
1473
1474 /*
1475 * rt2870_stop_locked
1476 */
1477 static void rt2870_stop_locked(void *priv)
1478 {
1479 struct rt2870_softc *sc;
1480 struct ifnet *ifp;
1481 struct ieee80211com *ic;
1482 uint32_t tmp;
1483 int i;
1484
1485 sc = priv;
1486 ifp = sc->ifp;
1487 ic = ifp->if_l2com;
1488
1489 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1490 "%s: stopping\n",
1491 device_get_nameunit(sc->dev));
1492
1493 RT2870_SOFTC_ASSERT_LOCKED(sc);
1494
1495 sc->tx_timer = 0;
1496
1497 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1498 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1499
1500 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1501
1502 callout_stop(&sc->periodic_ch);
1503 callout_stop(&sc->tx_watchdog_ch);
1504
1505 RT2870_SOFTC_UNLOCK(sc);
1506
1507 taskqueue_block(sc->taskqueue);
1508
1509 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1510 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1511 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1512 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1513
1514 RT2870_SOFTC_LOCK(sc);
1515
1516 /* clear key tables */
1517
1518 rt2870_asic_clear_keytables(sc);
1519
1520 /* disable Tx/Rx */
1521
1522 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1523
1524 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1525
1526 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1527
1528 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1529
1530 /* reset adapter */
1531
1532 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1533 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1534 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1535
1536 /* abort any pending transfers */
1537
1538 for (i = 0; i < sc->usb_endpoints; i++)
1539 usbd_transfer_stop(sc->usb_xfer[i]);
1540 }
1541
1542 /*
1543 * rt2870_stop
1544 */
1545 static void rt2870_stop(void *priv)
1546 {
1547 struct rt2870_softc *sc;
1548
1549 sc = priv;
1550
1551 RT2870_SOFTC_LOCK(sc);
1552
1553 rt2870_stop_locked(sc);
1554
1555 RT2870_SOFTC_UNLOCK(sc);
1556 }
1557
1558 /*
1559 * rt2870_start
1560 */
1561 static void rt2870_start(struct ifnet *ifp)
1562 {
1563 struct rt2870_softc *sc;
1564 struct ieee80211_node *ni;
1565 struct mbuf *m;
1566 int qid;
1567
1568 sc = ifp->if_softc;
1569
1570 RT2870_SOFTC_LOCK(sc);
1571
1572 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1573 {
1574 RT2870_SOFTC_UNLOCK(sc);
1575 return;
1576 }
1577
1578 for (;;)
1579 {
1580 IF_POLL(&ifp->if_snd, m);
1581 if (m == NULL)
1582 break;
1583
1584 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1585
1586 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1587
1588 qid = M_WME_GETAC(m);
1589
1590 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1591 {
1592 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1593 "%s: if_start: Tx ring with qid=%d is full\n",
1594 device_get_nameunit(sc->dev), qid);
1595
1596 m_freem(m);
1597 ieee80211_free_node(ni);
1598
1599 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1600 ifp->if_oerrors++;
1601
1602 sc->tx_data_queue_full[qid]++;
1603
1604 break;
1605 }
1606
1607 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1608 {
1609 ieee80211_free_node(ni);
1610 ifp->if_oerrors++;
1611 break;
1612 }
1613
1614 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1615
1616 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1617 }
1618
1619 RT2870_SOFTC_UNLOCK(sc);
1620 }
1621
1622 /*
1623 * rt2870_ioctl
1624 */
1625 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1626 {
1627 struct rt2870_softc *sc;
1628 struct ieee80211com *ic;
1629 struct ifreq *ifr;
1630 int error, startall;
1631
1632 sc = ifp->if_softc;
1633 ic = ifp->if_l2com;
1634 ifr = (struct ifreq *) data;
1635
1636 error = 0;
1637
1638 switch (cmd)
1639 {
1640 case SIOCSIFFLAGS:
1641 startall = 0;
1642
1643 RT2870_SOFTC_LOCK(sc);
1644
1645 if (ifp->if_flags & IFF_UP)
1646 {
1647 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1648 {
1649 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1650 rt2870_asic_update_promisc(sc);
1651 }
1652 else
1653 {
1654 rt2870_init_locked(sc);
1655 startall = 1;
1656 }
1657 }
1658 else
1659 {
1660 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1661 rt2870_stop_locked(sc);
1662 }
1663
1664 sc->if_flags = ifp->if_flags;
1665
1666 RT2870_SOFTC_UNLOCK(sc);
1667
1668 if (startall)
1669 ieee80211_start_all(ic);
1670 break;
1671
1672 case SIOCGIFMEDIA:
1673 case SIOCSIFMEDIA:
1674 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1675 break;
1676
1677 case SIOCGIFADDR:
1678 error = ether_ioctl(ifp, cmd, data);
1679 break;
1680
1681 default:
1682 error = EINVAL;
1683 break;
1684 }
1685
1686 return error;
1687 }
1688
1689 /*
1690 * rt2870_vap_create
1691 */
1692 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1693 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1694 const uint8_t bssid[IEEE80211_ADDR_LEN],
1695 const uint8_t mac[IEEE80211_ADDR_LEN])
1696 {
1697 struct rt2870_softc *sc;
1698 struct ifnet *ifp;
1699 struct rt2870_softc_vap *rvap;
1700 struct ieee80211vap *vap;
1701
1702 ifp = ic->ic_ifp;
1703 sc = ifp->if_softc;
1704
1705 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1706 "%s: VAP create: opmode=%s\n",
1707 device_get_nameunit(sc->dev),
1708 ieee80211_opmode_name[opmode]);
1709
1710 switch (opmode)
1711 {
1712 case IEEE80211_M_MONITOR:
1713 case IEEE80211_M_IBSS:
1714 case IEEE80211_M_STA:
1715 case IEEE80211_M_AHDEMO:
1716 case IEEE80211_M_HOSTAP:
1717 case IEEE80211_M_MBSS:
1718 if (!TAILQ_EMPTY(&ic->ic_vaps))
1719 {
1720 if_printf(ifp, "only 1 VAP supported\n");
1721 return NULL;
1722 }
1723
1724 if (opmode == IEEE80211_M_STA)
1725 flags |= IEEE80211_CLONE_NOBEACONS;
1726 break;
1727
1728 case IEEE80211_M_WDS:
1729 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1730 {
1731 if_printf(ifp, "WDS only supported in AP mode\n");
1732 return NULL;
1733 }
1734
1735 flags &= ~IEEE80211_CLONE_BSSID;
1736 break;
1737
1738 default:
1739 if_printf(ifp, "unknown opmode %d\n", opmode);
1740 return NULL;
1741 }
1742
1743 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1744 M_80211_VAP, M_NOWAIT | M_ZERO);
1745 if (rvap == NULL)
1746 return NULL;
1747
1748 vap = &rvap->vap;
1749
1750 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1751
1752 rvap->newstate = vap->iv_newstate;
1753 vap->iv_newstate = rt2870_vap_newstate;
1754
1755 vap->iv_reset = rt2870_vap_reset;
1756 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1757 vap->iv_key_update_end = rt2870_vap_key_update_end;
1758 vap->iv_key_set = rt2870_vap_key_set;
1759 vap->iv_key_delete = rt2870_vap_key_delete;
1760 vap->iv_update_beacon = rt2870_vap_update_beacon;
1761
1762 rt2870_amrr_init(&rvap->amrr, vap,
1763 sc->ntxpath,
1764 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1765 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1766 500);
1767
1768 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1769
1770 /* override default Rx A-MPDU factor */
1771
1772 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1773 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1774 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1775
1776 ic->ic_opmode = opmode;
1777
1778 return vap;
1779 }
1780
1781 /*
1782 * rt2870_vap_delete
1783 */
1784 static void rt2870_vap_delete(struct ieee80211vap *vap)
1785 {
1786 struct rt2870_softc *sc;
1787 struct ieee80211com *ic;
1788 struct ifnet *ifp;
1789 struct rt2870_softc_vap *rvap;
1790
1791 ic = vap->iv_ic;
1792 ifp = ic->ic_ifp;
1793 sc = ifp->if_softc;
1794 rvap = (struct rt2870_softc_vap *) vap;
1795
1796 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1797 "%s: VAP delete: opmode=%s\n",
1798 device_get_nameunit(sc->dev),
1799 ieee80211_opmode_name[vap->iv_opmode]);
1800
1801 rt2870_amrr_cleanup(&rvap->amrr);
1802
1803 ieee80211_vap_detach(vap);
1804
1805 if (rvap->beacon_mbuf != NULL)
1806 {
1807 m_free(rvap->beacon_mbuf);
1808 rvap->beacon_mbuf = NULL;
1809 }
1810
1811 free(rvap, M_80211_VAP);
1812 }
1813
1814 /*
1815 * rt2870_reset_vap
1816 */
1817 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1818 {
1819 struct rt2870_softc *sc;
1820 struct ieee80211com *ic;
1821 struct ifnet *ifp;
1822 struct rt2870_softc_vap *rvap;
1823 int error;
1824
1825 ic = vap->iv_ic;
1826 ifp = ic->ic_ifp;
1827 sc = ifp->if_softc;
1828 rvap = (struct rt2870_softc_vap *) vap;
1829
1830 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1831 "%s: VAP reset: cmd=%lu\n",
1832 device_get_nameunit(sc->dev), cmd);
1833
1834 error = 0;
1835
1836 RT2870_SOFTC_LOCK(sc);
1837
1838 switch (cmd)
1839 {
1840 case IEEE80211_IOC_RTSTHRESHOLD:
1841 case IEEE80211_IOC_AMSDU:
1842 rt2870_asic_update_rtsthreshold(sc);
1843 break;
1844
1845 case IEEE80211_IOC_PROTMODE:
1846 case IEEE80211_IOC_HTPROTMODE:
1847 rt2870_asic_updateprot(sc);
1848 break;
1849
1850 case IEEE80211_IOC_TXPOWER:
1851 rt2870_asic_update_txpower(sc);
1852 break;
1853
1854 case IEEE80211_IOC_BURST:
1855 rt2870_asic_updateslot(sc);
1856 break;
1857
1858 case IEEE80211_IOC_SHORTGI:
1859 case IEEE80211_IOC_AMPDU_DENSITY:
1860 case IEEE80211_IOC_SMPS:
1861 break;
1862
1863 default:
1864 error = ENETRESET;
1865 break;
1866 }
1867
1868 RT2870_SOFTC_UNLOCK(sc);
1869
1870 return error;
1871 }
1872
1873 /*
1874 * rt2870_vap_newstate
1875 */
1876 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1877 enum ieee80211_state nstate, int arg)
1878 {
1879 struct rt2870_softc *sc;
1880 struct ieee80211com *ic;
1881 struct ifnet *ifp;
1882 struct rt2870_softc_vap *rvap;
1883 struct ieee80211_node *ni;
1884 int error;
1885
1886 ic = vap->iv_ic;
1887 ifp = ic->ic_ifp;
1888 sc = ifp->if_softc;
1889 rvap = (struct rt2870_softc_vap *) vap;
1890
1891 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1892 "%s: VAP newstate: %s -> %s\n",
1893 device_get_nameunit(sc->dev),
1894 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1895
1896 error = rvap->newstate(vap, nstate, arg);
1897 if (error != 0)
1898 return error;
1899
1900 IEEE80211_UNLOCK(ic);
1901
1902 RT2870_SOFTC_LOCK(sc);
1903
1904 /* turn link LED off */
1905
1906 if (nstate != IEEE80211_S_RUN)
1907 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1908
1909 switch (nstate)
1910 {
1911 case IEEE80211_S_INIT:
1912 rt2870_asic_disable_tsf_sync(sc);
1913 break;
1914
1915 case IEEE80211_S_RUN:
1916 ni = vap->iv_bss;
1917
1918 rt2870_rf_set_chan(sc, ni->ni_chan);
1919
1920 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1921 {
1922 rt2870_asic_enable_mrr(sc);
1923 rt2870_asic_set_txpreamble(sc);
1924 rt2870_asic_set_basicrates(sc);
1925 rt2870_asic_update_txpower(sc);
1926 rt2870_asic_set_bssid(sc, ni->ni_bssid);
1927 }
1928
1929 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1930 vap->iv_opmode == IEEE80211_M_IBSS ||
1931 vap->iv_opmode == IEEE80211_M_MBSS)
1932 {
1933 error = rt2870_beacon_alloc(sc, vap);
1934 if (error != 0)
1935 break;
1936
1937 rt2870_asic_update_beacon(sc, vap);
1938 }
1939
1940 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1941 rt2870_asic_enable_tsf_sync(sc);
1942
1943 /* turn link LED on */
1944
1945 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1946 {
1947 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
1948 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1949 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
1950 }
1951 break;
1952
1953 default:
1954 break;
1955 }
1956
1957 RT2870_SOFTC_UNLOCK(sc);
1958
1959 IEEE80211_LOCK(ic);
1960
1961 return error;
1962 }
1963
1964 /*
1965 * rt2870_vap_key_update_begin
1966 */
1967 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
1968 {
1969 struct rt2870_softc *sc;
1970 struct ieee80211com *ic;
1971 struct ifnet *ifp;
1972
1973 ic = vap->iv_ic;
1974 ifp = ic->ic_ifp;
1975 sc = ifp->if_softc;
1976
1977 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1978 "%s: VAP key update begin\n",
1979 device_get_nameunit(sc->dev));
1980
1981 taskqueue_block(sc->taskqueue);
1982
1983 IF_LOCK(&ifp->if_snd);
1984 }
1985
1986 /*
1987 * rt2870_vap_key_update_end
1988 */
1989 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
1990 {
1991 struct rt2870_softc *sc;
1992 struct ieee80211com *ic;
1993 struct ifnet *ifp;
1994
1995 ic = vap->iv_ic;
1996 ifp = ic->ic_ifp;
1997 sc = ifp->if_softc;
1998
1999 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2000 "%s: VAP key update end\n",
2001 device_get_nameunit(sc->dev));
2002
2003 IF_UNLOCK(&ifp->if_snd);
2004
2005 taskqueue_unblock(sc->taskqueue);
2006 }
2007
2008 /*
2009 * rt2870_vap_key_set
2010 */
2011 static int rt2870_vap_key_set(struct ieee80211vap *vap,
2012 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2013 {
2014 struct rt2870_softc *sc;
2015 struct ieee80211com *ic;
2016 struct ifnet *ifp;
2017 struct ieee80211_node *ni;
2018 struct rt2870_cmd_argv_keyset cmd_argv;
2019 uint16_t associd;
2020
2021 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2022 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2023 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2024 return EINVAL;
2025
2026 ic = vap->iv_ic;
2027 ifp = ic->ic_ifp;
2028 sc = ifp->if_softc;
2029 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr);
2030 associd = (ni != NULL) ? ni->ni_associd : 0;
2031
2032 if (ni != NULL)
2033 ieee80211_free_node(ni);
2034
2035 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2036 cmd_argv.associd = associd;
2037
2038 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2039 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2040
2041 return 1;
2042 }
2043
2044 /*
2045 * rt2870_vap_key_delete
2046 */
2047 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2048 const struct ieee80211_key *k)
2049 {
2050 struct rt2870_softc *sc;
2051 struct ieee80211com *ic;
2052 struct ifnet *ifp;
2053 struct ieee80211_node *ni;
2054 struct rt2870_cmd_argv_keydelete cmd_argv;
2055 uint16_t associd;
2056
2057 ic = vap->iv_ic;
2058 ifp = ic->ic_ifp;
2059 sc = ifp->if_softc;
2060 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, k->wk_macaddr);
2061 associd = (ni != NULL) ? ni->ni_associd : 0;
2062
2063 if (ni != NULL)
2064 ieee80211_free_node(ni);
2065
2066 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2067 cmd_argv.associd = associd;
2068
2069 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2070 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2071
2072 return 1;
2073 }
2074
2075 /*
2076 * rt2870_vap_update_beacon
2077 */
2078 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2079 {
2080 struct rt2870_softc *sc;
2081 struct ieee80211com *ic;
2082 struct ifnet *ifp;
2083 struct rt2870_softc_vap *rvap;
2084 struct mbuf *m;
2085 struct ieee80211_beacon_offsets *bo;
2086
2087 ic = vap->iv_ic;
2088 ifp = ic->ic_ifp;
2089 sc = ifp->if_softc;
2090 rvap = (struct rt2870_softc_vap *) vap;
2091 m = rvap->beacon_mbuf;
2092 bo = &rvap->beacon_offsets;
2093
2094 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2095 "%s: VAP update beacon: what=%d\n",
2096 device_get_nameunit(sc->dev), what);
2097
2098 setbit(bo->bo_flags, what);
2099
2100 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2101
2102 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2103 }
2104
2105 /*
2106 * rt2870_node_alloc
2107 */
2108 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2109 const uint8_t mac[IEEE80211_ADDR_LEN])
2110 {
2111 return malloc(sizeof(struct rt2870_softc_node),
2112 M_80211_NODE, M_NOWAIT | M_ZERO);
2113 }
2114
2115 /*
2116 * rt2870_node_getmimoinfo
2117 */
2118 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2119 struct ieee80211_mimo_info *mi)
2120 {
2121 const struct rt2870_softc_node *rni;
2122 int i;
2123
2124 rni = (const struct rt2870_softc_node *) ni;
2125
2126 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2127 {
2128 mi->rssi[i] = rni->last_rssi_dbm[i];
2129 mi->noise[i] = RT2870_NOISE_FLOOR;
2130 }
2131 }
2132
2133 /*
2134 * rt2870_setregdomain
2135 */
2136 static int rt2870_setregdomain(struct ieee80211com *ic,
2137 struct ieee80211_regdomain *reg,
2138 int nchans, struct ieee80211_channel chans[])
2139 {
2140 struct rt2870_softc *sc;
2141 struct ifnet *ifp;
2142
2143 ifp = ic->ic_ifp;
2144 sc = ifp->if_softc;
2145
2146 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2147 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2148 device_get_nameunit(sc->dev),
2149 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2150
2151 return 0;
2152 }
2153
2154 /*
2155 * rt2870_getradiocaps
2156 */
2157 static void rt2870_getradiocaps(struct ieee80211com *ic,
2158 int maxchans, int *nchans, struct ieee80211_channel chans[])
2159 {
2160 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2161
2162 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2163 }
2164
2165 /*
2166 * rt2870_scan_start
2167 */
2168 static void rt2870_scan_start(struct ieee80211com *ic)
2169 {
2170 struct rt2870_softc *sc;
2171 struct ifnet *ifp;
2172
2173 ifp = ic->ic_ifp;
2174 sc = ifp->if_softc;
2175
2176 RT2870_SOFTC_LOCK(sc);
2177
2178 rt2870_asic_disable_tsf_sync(sc);
2179
2180 RT2870_SOFTC_UNLOCK(sc);
2181 }
2182
2183 /*
2184 * rt2870_scan_end
2185 */
2186 static void rt2870_scan_end(struct ieee80211com *ic)
2187 {
2188 struct rt2870_softc *sc;
2189 struct ifnet *ifp;
2190
2191 ifp = ic->ic_ifp;
2192 sc = ifp->if_softc;
2193
2194 RT2870_SOFTC_LOCK(sc);
2195
2196 rt2870_asic_enable_tsf_sync(sc);
2197
2198 RT2870_SOFTC_UNLOCK(sc);
2199 }
2200
2201 /*
2202 * rt2870_set_channel
2203 */
2204 static void rt2870_set_channel(struct ieee80211com *ic)
2205 {
2206 struct rt2870_softc *sc;
2207 struct ifnet *ifp;
2208
2209 ifp = ic->ic_ifp;
2210 sc = ifp->if_softc;
2211
2212 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2213 "%s: set channel: channel=%u, HT%s%s\n",
2214 device_get_nameunit(sc->dev),
2215 ieee80211_chan2ieee(ic, ic->ic_curchan),
2216 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2217 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2218 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2219 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2220
2221 RT2870_SOFTC_LOCK(sc);
2222
2223 rt2870_rf_set_chan(sc, ic->ic_curchan);
2224
2225 RT2870_SOFTC_UNLOCK(sc);
2226 }
2227
2228 /*
2229 * rt2870_newassoc
2230 */
2231 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2232 {
2233 struct rt2870_softc *sc;
2234 struct ieee80211com *ic;
2235 struct ifnet *ifp;
2236 struct ieee80211vap *vap;
2237 struct rt2870_softc_vap *rvap;
2238 uint16_t associd;
2239 uint8_t wcid;
2240
2241 vap = ni->ni_vap;
2242 ic = vap->iv_ic;
2243 ifp = ic->ic_ifp;
2244 sc = ifp->if_softc;
2245 rvap = (struct rt2870_softc_vap *) vap;
2246
2247 associd = (ni != NULL) ? ni->ni_associd : 0;
2248 wcid = RT2870_AID2WCID(associd);
2249
2250 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2251 "%s: new association: wcid=0x%02x, "
2252 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2253 device_get_nameunit(sc->dev), wcid,
2254 ether_sprintf(ni->ni_macaddr),
2255 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2256 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2257 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2258
2259 RT2870_SOFTC_LOCK(sc);
2260
2261 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2262 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2263
2264 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2265
2266 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2267 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2268 device_get_nameunit(sc->dev),
2269 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2270 ni->ni_associd, ni->ni_txrate,
2271 (ni->ni_flags & IEEE80211_NODE_HT) ?
2272 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2273 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2274
2275 rt2870_asic_updateprot(sc);
2276 rt2870_asic_updateslot(sc);
2277 rt2870_asic_set_txpreamble(sc);
2278
2279 RT2870_SOFTC_UNLOCK(sc);
2280 }
2281
2282 /*
2283 * rt2870_updateslot
2284 */
2285 static void rt2870_updateslot(struct ifnet *ifp)
2286 {
2287 struct rt2870_softc *sc;
2288
2289 sc = ifp->if_softc;
2290
2291 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2292 }
2293
2294 /*
2295 * rt2870_update_promisc
2296 */
2297 static void rt2870_update_promisc(struct ifnet *ifp)
2298 {
2299 struct rt2870_softc *sc;
2300
2301 sc = ifp->if_softc;
2302
2303 RT2870_SOFTC_LOCK(sc);
2304
2305 rt2870_asic_update_promisc(sc);
2306
2307 RT2870_SOFTC_UNLOCK(sc);
2308 }
2309
2310 /*
2311 * rt2870_update_mcast
2312 */
2313 static void rt2870_update_mcast(struct ifnet *ifp)
2314 {
2315 struct rt2870_softc *sc;
2316
2317 sc = ifp->if_softc;
2318 }
2319
2320 /*
2321 * rt2870_wme_update
2322 */
2323 static int rt2870_wme_update(struct ieee80211com *ic)
2324 {
2325 struct rt2870_softc *sc;
2326 struct ifnet *ifp;
2327
2328 ifp = ic->ic_ifp;
2329 sc = ifp->if_softc;
2330
2331 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2332
2333 return 0;
2334 }
2335
2336 /*
2337 * rt2870_raw_xmit
2338 */
2339 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2340 const struct ieee80211_bpf_params *params)
2341 {
2342 struct rt2870_softc *sc;
2343 struct ieee80211com *ic;
2344 struct ifnet *ifp;
2345
2346 ic = ni->ni_ic;
2347 ifp = ic->ic_ifp;
2348 sc = ifp->if_softc;
2349
2350 RT2870_SOFTC_LOCK(sc);
2351
2352 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2353 {
2354 RT2870_SOFTC_UNLOCK(sc);
2355
2356 m_freem(m);
2357 ieee80211_free_node(ni);
2358
2359 return ENETDOWN;
2360 }
2361
2362 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2363 {
2364 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2365 "%s: raw xmit: Tx ring with qid=%d is full\n",
2366 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2367
2368 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2369
2370 RT2870_SOFTC_UNLOCK(sc);
2371
2372 m_freem(m);
2373 ieee80211_free_node(ni);
2374
2375 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2376
2377 return ENOBUFS;
2378 }
2379
2380 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2381 {
2382 ifp->if_oerrors++;
2383
2384 RT2870_SOFTC_UNLOCK(sc);
2385
2386 ieee80211_free_node(ni);
2387
2388 return EIO;
2389 }
2390
2391 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2392
2393 RT2870_SOFTC_UNLOCK(sc);
2394
2395 return 0;
2396 }
2397
2398 /*
2399 * rt2870_recv_action
2400 */
2401 static int rt2870_recv_action(struct ieee80211_node *ni,
2402 const struct ieee80211_frame *wh,
2403 const uint8_t *frm, const uint8_t *efrm)
2404 {
2405 struct rt2870_softc *sc;
2406 struct ieee80211com *ic;
2407 struct ifnet *ifp;
2408 const struct ieee80211_action *ia;
2409 struct ieee80211_tx_ampdu *tx_ampdu;
2410 uint16_t associd, status, baparamset;
2411 uint8_t wcid;
2412 int ret, tid, bufsize, ac;
2413 uint32_t tmp;
2414
2415 ic = ni->ni_ic;
2416 ifp = ic->ic_ifp;
2417 sc = ifp->if_softc;
2418
2419 ia = (const struct ieee80211_action *) frm;
2420
2421 ret = sc->recv_action(ni, wh, frm, efrm);
2422
2423 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2424 return ret;
2425
2426 associd = (ni != NULL) ? ni->ni_associd : 0;
2427 wcid = RT2870_AID2WCID(associd);
2428
2429 switch (ia->ia_action)
2430 {
2431 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2432 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2433 baparamset = LE_READ_2(frm + 3);
2434 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2435 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2436
2437 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2438 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2439 device_get_nameunit(sc->dev), associd, tid, bufsize);
2440
2441 RT2870_SOFTC_LOCK(sc);
2442
2443 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2444
2445 tmp |= (0x10000 << tid);
2446
2447 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2448
2449 RT2870_SOFTC_UNLOCK(sc);
2450 break;
2451
2452 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2453 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2454 status = LE_READ_2(frm + 3);
2455 baparamset = LE_READ_2(frm + 4);
2456 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2457 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2458 ac = TID_TO_WME_AC(tid);
2459 tx_ampdu = &ni->ni_tx_ampdu[ac];
2460
2461 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2462 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2463 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2464
2465 if (sc->mac_rev >= 0x28720200)
2466 {
2467 if (tx_ampdu->txa_wnd > 13)
2468 tx_ampdu->txa_wnd = 13;
2469 }
2470 else
2471 {
2472 if (tx_ampdu->txa_wnd > 7)
2473 tx_ampdu->txa_wnd = 7;
2474 }
2475
2476 if (status == IEEE80211_STATUS_SUCCESS)
2477 {
2478 sc->tx_ampdu_sessions++;
2479
2480 RT2870_SOFTC_LOCK(sc);
2481
2482 rt2870_asic_updateprot(sc);
2483
2484 RT2870_SOFTC_UNLOCK(sc);
2485 }
2486 break;
2487
2488 /* IEEE80211_ACTION_BA_DELBA */
2489 case IEEE80211_ACTION_BA_DELBA:
2490 baparamset = LE_READ_2(frm + 2);
2491 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2492
2493 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2494 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2495 device_get_nameunit(sc->dev), associd, tid);
2496
2497 RT2870_SOFTC_LOCK(sc);
2498
2499 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2500
2501 tmp &= ~(0x10000 << tid);
2502
2503 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2504
2505 RT2870_SOFTC_UNLOCK(sc);
2506 break;
2507 }
2508
2509 return ret;
2510 }
2511
2512 /*
2513 * rt2870_send_action
2514 */
2515 static int rt2870_send_action(struct ieee80211_node *ni,
2516 int cat, int act, void *sa)
2517 {
2518 struct rt2870_softc *sc;
2519 struct ieee80211com *ic;
2520 struct ifnet *ifp;
2521 uint16_t associd, *args, baparamset;
2522 uint8_t wcid;
2523 int ret, tid;
2524 uint32_t tmp;
2525
2526 ic = ni->ni_ic;
2527 ifp = ic->ic_ifp;
2528 sc = ifp->if_softc;
2529
2530 ret = sc->send_action(ni, cat, act, sa);
2531
2532 if (cat != IEEE80211_ACTION_CAT_BA)
2533 return ret;
2534
2535 associd = (ni != NULL) ? ni->ni_associd : 0;
2536 wcid = RT2870_AID2WCID(associd);
2537 args = sa;
2538
2539 switch (act)
2540 {
2541 /* IEEE80211_ACTION_BA_DELBA */
2542 case IEEE80211_ACTION_BA_DELBA:
2543 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2544
2545 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2546
2547 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2548 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2549 device_get_nameunit(sc->dev), associd, tid);
2550
2551 RT2870_SOFTC_LOCK(sc);
2552
2553 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2554 {
2555 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2556
2557 tmp &= ~(0x10000 << tid);
2558
2559 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2560 }
2561 else
2562 {
2563 sc->tx_ampdu_sessions--;
2564
2565 rt2870_asic_updateprot(sc);
2566 }
2567
2568 RT2870_SOFTC_UNLOCK(sc);
2569 break;
2570 }
2571
2572 return ret;
2573 }
2574
2575 /*
2576 * rt2870_amrr_update_iter_func
2577 */
2578 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2579 {
2580 struct rt2870_softc *sc;
2581 struct ieee80211com *ic;
2582 struct ifnet *ifp;
2583 struct ieee80211vap *vap;
2584 struct rt2870_softc_vap *rvap;
2585 uint8_t wcid;
2586
2587 vap = arg;
2588 ic = vap->iv_ic;
2589 ifp = ic->ic_ifp;
2590 sc = ifp->if_softc;
2591 rvap = (struct rt2870_softc_vap *) vap;
2592
2593 /* only associated stations */
2594
2595 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2596 {
2597 wcid = RT2870_AID2WCID(ni->ni_associd);
2598
2599 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2600 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2601 device_get_nameunit(sc->dev),
2602 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2603
2604 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2605
2606 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2607 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2608 device_get_nameunit(sc->dev),
2609 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2610 ni->ni_associd, ni->ni_txrate,
2611 (ni->ni_flags & IEEE80211_NODE_HT) ?
2612 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2613 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2614 }
2615 }
2616
2617 /*
2618 * rt2870_periodic
2619 */
2620 static void rt2870_periodic(void *arg)
2621 {
2622 struct rt2870_softc *sc;
2623 struct ifnet *ifp;
2624
2625 sc = arg;
2626 ifp = sc->ifp;
2627
2628 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2629 "%s: periodic\n",
2630 device_get_nameunit(sc->dev));
2631
2632 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2633 return;
2634
2635 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2636 }
2637
2638 /*
2639 * rt2870_tx_watchdog
2640 */
2641 static void rt2870_tx_watchdog(void *arg)
2642 {
2643 struct rt2870_softc *sc;
2644 struct ifnet *ifp;
2645
2646 sc = arg;
2647 ifp = sc->ifp;
2648
2649 if (sc->tx_timer == 0)
2650 return;
2651
2652 if (--sc->tx_timer == 0)
2653 {
2654 printf("%s: Tx watchdog timeout: resetting\n",
2655 device_get_nameunit(sc->dev));
2656
2657 rt2870_stop_locked(sc);
2658 rt2870_init_locked(sc);
2659
2660 ifp->if_oerrors++;
2661
2662 sc->tx_watchdog_timeouts++;
2663 }
2664
2665 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2666 }
2667
2668 /*
2669 * rt2870_do_async
2670 */
2671 static int rt2870_do_async(struct rt2870_softc *sc,
2672 void (*cb)(struct rt2870_softc *sc, void *arg),
2673 void *arg, int len)
2674 {
2675 struct ifnet *ifp;
2676 struct rt2870_softc_cmd_ring *ring;
2677 struct rt2870_softc_cmd *cmd;
2678 int run_cmd_task;
2679
2680 ifp = sc->ifp;
2681 ring = &sc->cmd_ring;
2682
2683 RT2870_SOFTC_LOCK(sc);
2684
2685 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2686 {
2687 RT2870_SOFTC_UNLOCK(sc);
2688 return -1;
2689 }
2690
2691 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2692 {
2693 RT2870_SOFTC_UNLOCK(sc);
2694 return -1;
2695 }
2696
2697 cmd = STAILQ_FIRST(&ring->inactive);
2698 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2699
2700 cmd->cb = cb;
2701
2702 if(arg != NULL)
2703 memcpy(cmd->data, arg, len);
2704
2705 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2706 ring->queued++;
2707
2708 run_cmd_task = (ring->queued == 1);
2709
2710 RT2870_SOFTC_UNLOCK(sc);
2711
2712 if (run_cmd_task)
2713 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2714
2715 return 0;
2716 }
2717
2718 /*
2719 * rt2870_updateslot_cb
2720 */
2721 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2722 {
2723 RT2870_SOFTC_LOCK(sc);
2724
2725 rt2870_asic_updateslot(sc);
2726
2727 RT2870_SOFTC_UNLOCK(sc);
2728 }
2729
2730 /*
2731 * rt2870_wme_update_cb
2732 */
2733 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2734 {
2735 RT2870_SOFTC_LOCK(sc);
2736
2737 rt2870_asic_wme_update(sc);
2738
2739 RT2870_SOFTC_UNLOCK(sc);
2740 }
2741
2742 /*
2743 * rt2870_vap_key_set_cb
2744 */
2745 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
2746 {
2747 struct ieee80211com *ic;
2748 struct ifnet *ifp;
2749 struct ieee80211vap *vap;
2750 struct ieee80211_key *k;
2751 struct rt2870_cmd_argv_keyset *cmd_argv;
2752 uint16_t associd, key_base, keymode_base;
2753 uint8_t mode, vapid, wcid, iv[8];
2754 uint32_t tmp;
2755
2756 ifp = sc->ifp;
2757 ic = ifp->if_l2com;
2758 vap = TAILQ_FIRST(&ic->ic_vaps);
2759 cmd_argv = arg;
2760 k = &cmd_argv->key;
2761 associd = cmd_argv->associd;
2762
2763 switch (k->wk_cipher->ic_cipher)
2764 {
2765 case IEEE80211_CIPHER_WEP:
2766 if(k->wk_keylen < 8)
2767 mode = RT2870_REG_CIPHER_MODE_WEP40;
2768 else
2769 mode = RT2870_REG_CIPHER_MODE_WEP104;
2770 break;
2771
2772 case IEEE80211_CIPHER_TKIP:
2773 mode = RT2870_REG_CIPHER_MODE_TKIP;
2774 break;
2775
2776 case IEEE80211_CIPHER_AES_CCM:
2777 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2778 break;
2779
2780 default:
2781 return;
2782 }
2783
2784 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2785 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, associd=0x%04x, mode=%d, group=%d\n",
2786 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2787 associd, mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2788
2789 RT2870_SOFTC_LOCK(sc);
2790
2791 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2792 {
2793 /* install pairwise key */
2794
2795 vapid = 0;
2796 wcid = RT2870_AID2WCID(associd);
2797 key_base = RT2870_REG_PKEY(wcid);
2798
2799 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2800 {
2801 memset(iv, 0, 8);
2802
2803 iv[3] = (k->wk_keyix << 6);
2804 }
2805 else
2806 {
2807 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2808 {
2809 iv[0] = (k->wk_keytsc >> 8);
2810 iv[1] = ((iv[0] | 0x20) & 0x7f);
2811 iv[2] = k->wk_keytsc;
2812 }
2813 else
2814 {
2815 /* AES CCMP */
2816
2817 iv[0] = k->wk_keytsc;
2818 iv[1] = k->wk_keytsc >> 8;
2819 iv[2] = 0;
2820 }
2821
2822 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2823 iv[4] = (k->wk_keytsc >> 16);
2824 iv[5] = (k->wk_keytsc >> 24);
2825 iv[6] = (k->wk_keytsc >> 32);
2826 iv[7] = (k->wk_keytsc >> 40);
2827
2828 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2829 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2830 device_get_nameunit(sc->dev),
2831 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2832 }
2833
2834 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2835
2836 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2837 {
2838 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2839
2840 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2841 {
2842 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2843 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2844 }
2845 else
2846 {
2847 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2848 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2849 }
2850 }
2851 else
2852 {
2853 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2854 }
2855
2856 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2857 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2858
2859 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2860 }
2861
2862 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2863 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2864 {
2865 /* install group key */
2866
2867 vapid = 0;
2868 wcid = 0; /* mcast/bcast WCID */
2869 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2870 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2871
2872 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2873 {
2874 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2875
2876 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2877 {
2878 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2879 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2880 }
2881 else
2882 {
2883 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2884 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2885 }
2886 }
2887 else
2888 {
2889 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2890 }
2891
2892 tmp = rt2870_io_mac_read(sc, keymode_base);
2893
2894 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2895 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2896
2897 rt2870_io_mac_write(sc, keymode_base, tmp);
2898
2899 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2900 {
2901 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2902 {
2903 memset(iv, 0, 8);
2904
2905 iv[3] = (k->wk_keyix << 6);
2906 }
2907 else
2908 {
2909 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2910 {
2911 iv[0] = (k->wk_keytsc >> 8);
2912 iv[1] = ((iv[0] | 0x20) & 0x7f);
2913 iv[2] = k->wk_keytsc;
2914 }
2915 else
2916 {
2917 /* AES CCMP */
2918
2919 iv[0] = k->wk_keytsc;
2920 iv[1] = k->wk_keytsc >> 8;
2921 iv[2] = 0;
2922 }
2923
2924 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2925 iv[4] = (k->wk_keytsc >> 16);
2926 iv[5] = (k->wk_keytsc >> 24);
2927 iv[6] = (k->wk_keytsc >> 32);
2928 iv[7] = (k->wk_keytsc >> 40);
2929
2930 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2931 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2932 device_get_nameunit(sc->dev),
2933 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2934 }
2935
2936 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2937
2938 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2939 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
2940
2941 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2942 }
2943 }
2944
2945 RT2870_SOFTC_UNLOCK(sc);
2946 }
2947
2948 /*
2949 * rt2870_vap_key_delete_cb
2950 */
2951 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2952 {
2953 struct ieee80211_key *k;
2954 struct rt2870_cmd_argv_keydelete *cmd_argv;
2955 uint16_t associd;
2956 uint8_t vapid, wcid;
2957 uint32_t tmp;
2958
2959 cmd_argv = arg;
2960 k = &cmd_argv->key;
2961 associd = cmd_argv->associd;
2962
2963 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2964 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, associd=0x%04x, group=%d\n",
2965 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2966 associd, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2967
2968 RT2870_SOFTC_LOCK(sc);
2969
2970 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2971 {
2972 /* remove pairwise key */
2973
2974 vapid = 0;
2975 wcid = RT2870_AID2WCID(associd);
2976
2977 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2978 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2979
2980 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2981 }
2982 else
2983 {
2984 /* remove group key */
2985
2986 vapid = 0;
2987
2988 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2989
2990 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2991 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2992
2993 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2994 }
2995
2996 RT2870_SOFTC_UNLOCK(sc);
2997 }
2998
2999 /*
3000 * rt2870_vap_update_beacon_cb
3001 */
3002 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
3003 {
3004 struct ifnet *ifp;
3005 struct ieee80211com *ic;
3006 struct ieee80211vap *vap;
3007
3008 ifp = sc->ifp;
3009 ic = ifp->if_l2com;
3010 vap = TAILQ_FIRST(&ic->ic_vaps);
3011
3012 if (vap == NULL)
3013 return;
3014
3015 RT2870_SOFTC_LOCK(sc);
3016
3017 rt2870_asic_update_beacon(sc, vap);
3018
3019 RT2870_SOFTC_UNLOCK(sc);
3020 }
3021
3022 /*
3023 * rt2870_asic_set_bssid
3024 */
3025 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3026 const uint8_t *bssid)
3027 {
3028 uint32_t tmp;
3029
3030 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3031 "%s: set bssid: bssid=%s\n",
3032 device_get_nameunit(sc->dev),
3033 ether_sprintf(bssid));
3034
3035 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3036
3037 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3038
3039 tmp = bssid[4] | (bssid[5] << 8);
3040
3041 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3042 }
3043
3044 /*
3045 * rt2870_asic_set_macaddr
3046 */
3047 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3048 const uint8_t *addr)
3049 {
3050 uint32_t tmp;
3051
3052 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3053
3054 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3055
3056 tmp = addr[4] | (addr[5] << 8);
3057
3058 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3059 }
3060
3061 /*
3062 * rt2870_asic_enable_tsf_sync
3063 */
3064 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3065 {
3066 struct ifnet *ifp;
3067 struct ieee80211com *ic;
3068 struct ieee80211vap *vap;
3069 uint32_t tmp;
3070
3071 ifp = sc->ifp;
3072 ic = ifp->if_l2com;
3073 vap = TAILQ_FIRST(&ic->ic_vaps);
3074
3075 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3076 "%s: enabling TSF\n",
3077 device_get_nameunit(sc->dev));
3078
3079 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3080
3081 tmp &= ~0x1fffff;
3082 tmp |= vap->iv_bss->ni_intval * 16;
3083 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3084
3085 if (vap->iv_opmode == IEEE80211_M_STA)
3086 {
3087 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3088 }
3089 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3090 {
3091 tmp |= RT2870_REG_BCN_TX_ENABLE;
3092 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3093 }
3094 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3095 {
3096 tmp |= RT2870_REG_BCN_TX_ENABLE;
3097 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3098 }
3099
3100 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3101 }
3102
3103 /*
3104 * rt2870_asic_disable_tsf_sync
3105 */
3106 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3107 {
3108 uint32_t tmp;
3109
3110 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3111 "%s: disabling TSF\n",
3112 device_get_nameunit(sc->dev));
3113
3114 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3115
3116 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3117 RT2870_REG_TSF_TIMER_ENABLE |
3118 RT2870_REG_TBTT_TIMER_ENABLE);
3119
3120 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3121 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3122
3123 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3124 }
3125
3126 /*
3127 * rt2870_asic_enable_mrr
3128 */
3129 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3130 {
3131 #define CCK(mcs) (mcs)
3132 #define OFDM(mcs) ((1 << 3) | (mcs))
3133 #define HT(mcs) (mcs)
3134
3135 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3136 (OFDM(6) << 28) | /* 54 -> 48 */
3137 (OFDM(5) << 24) | /* 48 -> 36 */
3138 (OFDM(4) << 20) | /* 36 -> 24 */
3139 (OFDM(3) << 16) | /* 24 -> 18 */
3140 (OFDM(2) << 12) | /* 18 -> 12 */
3141 (OFDM(1) << 8) | /* 12 -> 9 */
3142 (OFDM(0) << 4) | /* 9 -> 6 */
3143 OFDM(0)); /* 6 -> 6 */
3144
3145 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3146 (CCK(2) << 12) | /* 11 -> 5.5 */
3147 (CCK(1) << 8) | /* 5.5 -> 2 */
3148 (CCK(0) << 4) | /* 2 -> 1 */
3149 CCK(0)); /* 1 -> 1 */
3150
3151 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3152 (HT(6) << 28) |
3153 (HT(5) << 24) |
3154 (HT(4) << 20) |
3155 (HT(3) << 16) |
3156 (HT(2) << 12) |
3157 (HT(1) << 8) |
3158 (HT(0) << 4) |
3159 HT(0));
3160
3161 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3162 (HT(14) << 28) |
3163 (HT(13) << 24) |
3164 (HT(12) << 20) |
3165 (HT(11) << 16) |
3166 (HT(10) << 12) |
3167 (HT(9) << 8) |
3168 (HT(8) << 4) |
3169 HT(7));
3170
3171 #undef HT
3172 #undef OFDM
3173 #undef CCK
3174 }
3175
3176 /*
3177 * rt2870_asic_set_txpreamble
3178 */
3179 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3180 {
3181 struct ifnet *ifp;
3182 struct ieee80211com *ic;
3183 uint32_t tmp;
3184
3185 ifp = sc->ifp;
3186 ic = ifp->if_l2com;
3187
3188 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3189 "%s: %s short Tx preamble\n",
3190 device_get_nameunit(sc->dev),
3191 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3192
3193 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3194
3195 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3196
3197 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3198 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3199
3200 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3201 }
3202
3203 /*
3204 * rt2870_asic_set_basicrates
3205 */
3206 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3207 {
3208 struct ifnet *ifp;
3209 struct ieee80211com *ic;
3210
3211 ifp = sc->ifp;
3212 ic = ifp->if_l2com;
3213
3214 if (ic->ic_curmode == IEEE80211_MODE_11B)
3215 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3216 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3217 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3218 else
3219 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3220 }
3221
3222 /*
3223 * rt2870_asic_update_rtsthreshold
3224 */
3225 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3226 {
3227 struct ifnet *ifp;
3228 struct ieee80211com *ic;
3229 struct ieee80211vap *vap;
3230 uint32_t tmp;
3231 uint16_t threshold;
3232
3233 ifp = sc->ifp;
3234 ic = ifp->if_l2com;
3235 vap = TAILQ_FIRST(&ic->ic_vaps);
3236
3237 if (vap == NULL)
3238 threshold = IEEE80211_RTS_MAX;
3239 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3240 threshold = 0x1000;
3241 else
3242 threshold = vap->iv_rtsthreshold;
3243
3244 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3245 "%s: updating RTS threshold: %d\n",
3246 device_get_nameunit(sc->dev), threshold);
3247
3248 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3249
3250 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3251
3252 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3253 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3254
3255 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3256 }
3257
3258 /*
3259 * rt2870_asic_update_txpower
3260 */
3261 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3262 {
3263 struct ifnet *ifp;
3264 struct ieee80211com *ic;
3265 uint32_t *txpow_rate;
3266 int8_t delta;
3267 uint8_t val;
3268 uint32_t tmp;
3269 int i;
3270
3271 ifp = sc->ifp;
3272 ic = ifp->if_l2com;
3273
3274 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3275 "%s: updating Tx power: %d\n",
3276 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3277
3278 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3279 {
3280 txpow_rate = sc->txpow_rate_20mhz;
3281 }
3282 else
3283 {
3284 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3285 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3286 else
3287 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3288 }
3289
3290 delta = 0;
3291
3292 val = rt2870_io_bbp_read(sc, 1);
3293 val &= 0xfc;
3294
3295 if (ic->ic_txpowlimit > 90)
3296 {
3297 /* do nothing */
3298 }
3299 else if (ic->ic_txpowlimit > 60)
3300 {
3301 delta -= 1;
3302 }
3303 else if (ic->ic_txpowlimit > 30)
3304 {
3305 delta -= 3;
3306 }
3307 else if (ic->ic_txpowlimit > 15)
3308 {
3309 val |= 0x1;
3310 }
3311 else if (ic->ic_txpowlimit > 9)
3312 {
3313 val |= 0x1;
3314 delta -= 3;
3315 }
3316 else
3317 {
3318 val |= 0x2;
3319 }
3320
3321 rt2870_io_bbp_write(sc, 1, val);
3322
3323 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3324 {
3325 if (txpow_rate[i] == 0xffffffff)
3326 continue;
3327
3328 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3329
3330 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3331 }
3332 }
3333
3334 /*
3335 * rt2870_asic_update_promisc
3336 */
3337 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3338 {
3339 struct ifnet *ifp;
3340 uint32_t tmp;
3341
3342 ifp = sc->ifp;
3343
3344 printf("%s: %s promiscuous mode\n",
3345 device_get_nameunit(sc->dev),
3346 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3347
3348 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3349
3350 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3351
3352 if (!(ifp->if_flags & IFF_PROMISC))
3353 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3354
3355 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3356 }
3357
3358 /*
3359 * rt2870_asic_updateprot
3360 */
3361 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3362 {
3363 struct ifnet *ifp;
3364 struct ieee80211com *ic;
3365 struct ieee80211vap *vap;
3366 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3367 uint8_t htopmode;
3368 enum ieee80211_protmode htprotmode;
3369
3370 ifp = sc->ifp;
3371 ic = ifp->if_l2com;
3372 vap = TAILQ_FIRST(&ic->ic_vaps);
3373
3374 /* CCK frame protection */
3375
3376 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3377 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3378
3379 /* set up protection frame phy mode and rate (MCS code) */
3380
3381 if (ic->ic_curmode == IEEE80211_MODE_11A)
3382 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3383 (0 << RT2870_REG_PROT_MCS_SHIFT);
3384 else
3385 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3386 (3 << RT2870_REG_PROT_MCS_SHIFT));
3387
3388 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3389
3390 /* OFDM frame protection */
3391
3392 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3393 RT2870_REG_TXOP_ALLOW_ALL;
3394
3395 if (ic->ic_flags & IEEE80211_F_USEPROT)
3396 {
3397 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3398 "%s: updating protection mode: b/g protection mode=%s\n",
3399 device_get_nameunit(sc->dev),
3400 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3401 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3402
3403 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3404 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3405 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3406 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3407 else
3408 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3409 }
3410 else
3411 {
3412 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3413 "%s: updating protection mode: b/g protection mode=%s\n",
3414 device_get_nameunit(sc->dev), "none");
3415
3416 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3417 }
3418
3419 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3420
3421 /* HT frame protection */
3422
3423 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3424 htopmode = vap->iv_bss->ni_htopmode;
3425 else
3426 htopmode = ic->ic_curhtprotmode;
3427
3428 htprotmode = ic->ic_htprotmode;
3429
3430 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3431
3432 if (sc->tx_ampdu_sessions > 0)
3433 {
3434 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3435 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3436 device_get_nameunit(sc->dev));
3437
3438 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3439 htprotmode = IEEE80211_PROT_RTSCTS;
3440 }
3441
3442 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3443 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3444 device_get_nameunit(sc->dev),
3445 htopmode & IEEE80211_HTINFO_OPMODE,
3446 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3447 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3448
3449 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3450 {
3451 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3452 case IEEE80211_HTINFO_OPMODE_HT20PR:
3453 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3454 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3455 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3456 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3457 (4 << RT2870_REG_PROT_MCS_SHIFT);
3458
3459 gf20_prot = mm20_prot;
3460
3461 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3462 RT2870_REG_TXOP_ALLOW_ALL |
3463 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3464 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3465
3466 if (htprotmode == IEEE80211_PROT_RTSCTS)
3467 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3468 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3469 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3470 else
3471 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3472
3473 gf40_prot = mm40_prot;
3474 break;
3475
3476 /* IEEE80211_HTINFO_OPMODE_MIXED */
3477 case IEEE80211_HTINFO_OPMODE_MIXED:
3478 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3479 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3480 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3481
3482 if (ic->ic_flags & IEEE80211_F_USEPROT)
3483 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3484 (3 << RT2870_REG_PROT_MCS_SHIFT);
3485 else
3486 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3487 (4 << RT2870_REG_PROT_MCS_SHIFT);
3488
3489 if (htprotmode == IEEE80211_PROT_RTSCTS)
3490 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3491 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3492 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3493 else
3494 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3495
3496 gf20_prot = mm20_prot;
3497
3498 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3499
3500 if (ic->ic_flags & IEEE80211_F_USEPROT)
3501 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3502 (3 << RT2870_REG_PROT_MCS_SHIFT);
3503 else
3504 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3505 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3506
3507 if (htprotmode == IEEE80211_PROT_RTSCTS)
3508 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3509 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3510 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3511 else
3512 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3513
3514 gf40_prot = mm40_prot;
3515 break;
3516
3517 /*
3518 * IEEE80211_HTINFO_OPMODE_PURE
3519 * IEEE80211_HTINFO_OPMODE_PROTOPT
3520 */
3521 case IEEE80211_HTINFO_OPMODE_PURE:
3522 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3523 default:
3524 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3525 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3526 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3527 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3528 (4 << RT2870_REG_PROT_MCS_SHIFT);
3529
3530 gf20_prot = mm20_prot;
3531
3532 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3533 RT2870_REG_TXOP_ALLOW_ALL |
3534 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3535 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3536
3537 gf40_prot = mm40_prot;
3538 break;
3539 }
3540
3541 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3542 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3543 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3544 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3545 }
3546
3547 /*
3548 * rt2870_asic_updateslot
3549 */
3550 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3551 {
3552 struct ifnet *ifp;
3553 struct ieee80211com *ic;
3554 struct ieee80211vap *vap;
3555 uint32_t tmp;
3556
3557 ifp = sc->ifp;
3558 ic = ifp->if_l2com;
3559 vap = TAILQ_FIRST(&ic->ic_vaps);
3560
3561 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3562 "%s: %s short slot time\n",
3563 device_get_nameunit(sc->dev),
3564 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3565 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3566
3567 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3568
3569 tmp &= ~0xff;
3570
3571 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3572 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3573 tmp |= IEEE80211_DUR_SHSLOT;
3574 else
3575 tmp |= IEEE80211_DUR_SLOT;
3576
3577 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3578 }
3579
3580 /*
3581 * rt2870_asic_wme_update
3582 */
3583 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3584 {
3585 struct ifnet *ifp;
3586 struct ieee80211com *ic;
3587 struct ieee80211_wme_state *wme;
3588 const struct wmeParams *wmep;
3589 int i;
3590
3591 ifp = sc->ifp;
3592 ic = ifp->if_l2com;
3593 wme = &ic->ic_wme;
3594 wmep = wme->wme_chanParams.cap_wmeParams;
3595
3596 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3597 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3598 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3599 device_get_nameunit(sc->dev),
3600 wmep[WME_AC_VO].wmep_aifsn,
3601 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3602 wmep[WME_AC_VO].wmep_txopLimit,
3603 wmep[WME_AC_VI].wmep_aifsn,
3604 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3605 wmep[WME_AC_VI].wmep_txopLimit,
3606 wmep[WME_AC_BK].wmep_aifsn,
3607 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3608 wmep[WME_AC_BK].wmep_txopLimit,
3609 wmep[WME_AC_BE].wmep_aifsn,
3610 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3611 wmep[WME_AC_BE].wmep_txopLimit);
3612
3613 for (i = 0; i < WME_NUM_AC; i++)
3614 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3615 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3616 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3617
3618 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3619 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3620 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3621
3622 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3623 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3624 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3625
3626 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3627 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3628 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3629
3630 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3631 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3632
3633 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3634 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3635 }
3636
3637 /*
3638 * rt2870_asic_update_beacon
3639 */
3640 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
3641 struct ieee80211vap *vap)
3642 {
3643 struct rt2870_softc_vap *rvap;
3644 struct mbuf *m;
3645 struct rt2870_txwi *txwi;
3646 uint32_t tmp;
3647
3648 rvap = (struct rt2870_softc_vap *) vap;
3649
3650 m = rvap->beacon_mbuf;
3651 txwi = &rvap->beacon_txwi;
3652
3653 /* disable temporarily TSF sync */
3654
3655 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3656
3657 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3658 RT2870_REG_TSF_TIMER_ENABLE |
3659 RT2870_REG_TBTT_TIMER_ENABLE);
3660
3661 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3662
3663 /* write Tx wireless info and beacon frame to on-chip memory */
3664
3665 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3666 txwi, sizeof(struct rt2870_txwi));
3667
3668 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3669 mtod(m, uint8_t *), m->m_pkthdr.len);
3670
3671 /* enable again TSF sync */
3672
3673 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3674
3675 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3676 RT2870_REG_TSF_TIMER_ENABLE |
3677 RT2870_REG_TBTT_TIMER_ENABLE);
3678
3679 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3680 }
3681
3682 /*
3683 * rt2870_asic_clear_keytables
3684 */
3685 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3686 {
3687 int i;
3688
3689 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3690
3691 for (i = 0; i < 256; i++)
3692 {
3693 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3694 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3695 }
3696
3697 /* clear WCID attribute table (entries = 256, entry size = 4) */
3698
3699 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3700
3701 /* clear IV/EIV table (entries = 256, entry size = 8) */
3702
3703 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3704
3705 /* clear pairwise key table (entries = 256, entry size = 32) */
3706
3707 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3708
3709 /* clear shared key table (entries = 32, entry size = 32) */
3710
3711 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3712
3713 /* clear shared key mode (entries = 32, entry size = 2) */
3714
3715 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3716 }
3717
3718 /*
3719 * rt2870_beacon_alloc
3720 */
3721 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
3722 struct ieee80211vap *vap)
3723 {
3724 struct ieee80211com *ic;
3725 struct rt2870_softc_vap *rvap;
3726 const struct ieee80211_txparam *tp;
3727 struct mbuf *m;
3728 struct rt2870_txwi txwi;
3729 uint8_t rate, mcs;
3730
3731 ic = vap->iv_ic;
3732 rvap = (struct rt2870_softc_vap *) vap;
3733 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3734
3735 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3736 if (m == NULL)
3737 return ENOMEM;
3738
3739 rate = tp->mgmtrate;
3740 mcs = rt2870_rate2mcs(rate);
3741
3742 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3743
3744 txwi.wcid = 0xff;
3745 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3746 RT2870_TXWI_MPDU_LEN_SHIFT);
3747 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3748 txwi.mpdu_density_flags |=
3749 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3750 txwi.bawin_size_xflags |=
3751 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3752
3753 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3754 {
3755 txwi.phymode_ifs_stbc_shortgi =
3756 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3757
3758 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3759 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3760 }
3761 else
3762 {
3763 txwi.phymode_ifs_stbc_shortgi =
3764 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3765 }
3766
3767 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3768 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3769
3770 if (rvap->beacon_mbuf != NULL)
3771 {
3772 m_free(rvap->beacon_mbuf);
3773 rvap->beacon_mbuf = NULL;
3774 }
3775
3776 rvap->beacon_mbuf = m;
3777 rvap->beacon_txwi = txwi;
3778
3779 return 0;
3780 }
3781
3782 /*
3783 * rt2870_rxrate
3784 */
3785 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3786 {
3787 uint8_t mcs, phymode;
3788 uint8_t rate;
3789
3790 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3791 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3792 RT2870_RXWI_PHYMODE_MASK;
3793
3794 rate = 2;
3795
3796 switch (phymode)
3797 {
3798 case RT2870_RXWI_PHYMODE_CCK:
3799 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3800 {
3801 case 0: rate = 2; break; /* 1 Mbps */
3802 case 1: rate = 4; break; /* 2 MBps */
3803 case 2: rate = 11; break; /* 5.5 Mbps */
3804 case 3: rate = 22; break; /* 11 Mbps */
3805 }
3806 break;
3807
3808 case RT2870_RXWI_PHYMODE_OFDM:
3809 switch (mcs)
3810 {
3811 case 0: rate = 12; break; /* 6 Mbps */
3812 case 1: rate = 18; break; /* 9 Mbps */
3813 case 2: rate = 24; break; /* 12 Mbps */
3814 case 3: rate = 36; break; /* 18 Mbps */
3815 case 4: rate = 48; break; /* 24 Mbps */
3816 case 5: rate = 72; break; /* 36 Mbps */
3817 case 6: rate = 96; break; /* 48 Mbps */
3818 case 7: rate = 108; break; /* 54 Mbps */
3819 }
3820 break;
3821
3822 case RT2870_RXWI_PHYMODE_HT_MIXED:
3823 case RT2870_RXWI_PHYMODE_HT_GF:
3824 break;
3825 }
3826
3827 return rate;
3828 }
3829
3830 /*
3831 * rt2870_maxrssi_rxpath
3832 */
3833 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3834 const struct rt2870_rxwi *rxwi)
3835 {
3836 uint8_t rxpath;
3837
3838 rxpath = 0;
3839
3840 if (sc->nrxpath > 1)
3841 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3842 rxpath = 1;
3843
3844 if (sc->nrxpath > 2)
3845 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3846 rxpath = 2;
3847
3848 return rxpath;
3849 }
3850
3851 /*
3852 * rt2870_rssi2dbm
3853 */
3854 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3855 uint8_t rssi, uint8_t rxpath)
3856 {
3857 struct ifnet *ifp;
3858 struct ieee80211com *ic;
3859 struct ieee80211_channel *c;
3860 int chan;
3861 int8_t rssi_off, lna_gain;
3862
3863 if (rssi == 0)
3864 return -99;
3865
3866 ifp = sc->ifp;
3867 ic = ifp->if_l2com;
3868 c = ic->ic_curchan;
3869 chan = ieee80211_chan2ieee(ic, c);
3870
3871 if (IEEE80211_IS_CHAN_5GHZ(c))
3872 {
3873 rssi_off = sc->rssi_off_5ghz[rxpath];
3874
3875 if (chan <= 64)
3876 lna_gain = sc->lna_gain[1];
3877 else if (chan <= 128)
3878 lna_gain = sc->lna_gain[2];
3879 else
3880 lna_gain = sc->lna_gain[3];
3881 }
3882 else
3883 {
3884 rssi_off = sc->rssi_off_2ghz[rxpath];
3885 lna_gain = sc->lna_gain[0];
3886 }
3887
3888 return (-12 - rssi_off - lna_gain - rssi);
3889 }
3890
3891 /*
3892 * rt2870_rate2mcs
3893 */
3894 static uint8_t rt2870_rate2mcs(uint8_t rate)
3895 {
3896 switch (rate)
3897 {
3898 /* CCK rates */
3899 case 2: return 0;
3900 case 4: return 1;
3901 case 11: return 2;
3902 case 22: return 3;
3903
3904 /* OFDM rates */
3905 case 12: return 0;
3906 case 18: return 1;
3907 case 24: return 2;
3908 case 36: return 3;
3909 case 48: return 4;
3910 case 72: return 5;
3911 case 96: return 6;
3912 case 108: return 7;
3913 }
3914
3915 return 0;
3916 }
3917
3918 /*
3919 * rt2870_rx_frame
3920 */
3921 static void rt2870_rx_frame(struct rt2870_softc *sc,
3922 uint8_t *buf, uint32_t dmalen)
3923 {
3924 struct ifnet *ifp;
3925 struct ieee80211com *ic;
3926 struct ieee80211_frame *wh;
3927 struct ieee80211_node *ni;
3928 struct rt2870_softc_node *rni;
3929 struct rt2870_softc_rx_radiotap_header *tap;
3930 struct rt2870_rxwi *rxwi;
3931 struct rt2870_rxinfo *rxinfo;
3932 struct mbuf *m;
3933 uint32_t rxinfo_flags;
3934 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
3935 int8_t rssi_dbm;
3936 int len, ampdu, amsdu, rssi_dbm_rel, i;
3937
3938 ifp = sc->ifp;
3939 ic = ifp->if_l2com;
3940
3941 /* get Rx wireless info */
3942
3943 rxwi = (struct rt2870_rxwi *) buf;
3944 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3945 RT2870_RXWI_SIZE_MASK;
3946
3947 if (len > dmalen)
3948 {
3949 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3950 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3951 device_get_nameunit(sc->dev), dmalen, len);
3952 return;
3953 }
3954
3955 /* get Rx info */
3956
3957 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3958 rxinfo_flags = le32toh(rxinfo->flags);
3959
3960 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3961 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3962 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3963
3964 /* check for crc errors */
3965
3966 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3967 {
3968 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3969 "%s: rxinfo: crc error\n",
3970 device_get_nameunit(sc->dev));
3971
3972 ifp->if_ierrors++;
3973
3974 if (!(ifp->if_flags & IFF_PROMISC))
3975 return;
3976 }
3977
3978 wh = (struct ieee80211_frame *) (rxwi + 1);
3979
3980 /* check for L2 padding between IEEE 802.11 frame header and body */
3981
3982 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3983 {
3984 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3985 "%s: L2 padding: DMA len=%d, len=%d\n",
3986 device_get_nameunit(sc->dev), dmalen, len);
3987
3988 len += 2;
3989 }
3990
3991 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3992 if (m == NULL)
3993 {
3994 sc->rx_mbuf_alloc_errors++;
3995 ifp->if_ierrors++;
3996 return;
3997 }
3998
3999 m->m_pkthdr.rcvif = ifp;
4000 m->m_pkthdr.len = m->m_len = len;
4001
4002 m_copyback(m, 0, len, (caddr_t) wh);
4003
4004 wh = mtod(m, struct ieee80211_frame *);
4005
4006 /* check for cipher errors */
4007
4008 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4009 {
4010 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4011 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4012 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4013 {
4014 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4015 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4016
4017 m->m_flags |= M_WEP;
4018 }
4019 else
4020 {
4021 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4022 "%s: rxinfo: cipher error=0x%02x\n",
4023 device_get_nameunit(sc->dev), cipher_err);
4024
4025 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4026 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4027 {
4028 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
4029 if (ni != NULL)
4030 {
4031 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4032 RT2870_RXWI_KEYIDX_MASK;
4033
4034 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
4035
4036 ieee80211_free_node(ni);
4037 }
4038 }
4039
4040 ifp->if_ierrors++;
4041
4042 if (!(ifp->if_flags & IFF_PROMISC))
4043 {
4044 m_free(m);
4045 return;
4046 }
4047 }
4048 }
4049 else
4050 {
4051 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4052 {
4053 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4054 "%s: rxinfo: not decrypted but protected flag set\n",
4055 device_get_nameunit(sc->dev));
4056
4057 ifp->if_ierrors++;
4058
4059 if (!(ifp->if_flags & IFF_PROMISC))
4060 {
4061 m_free(m);
4062 return;
4063 }
4064 }
4065 }
4066
4067 /* check for A-MPDU */
4068
4069 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
4070 {
4071 m->m_flags |= M_AMPDU;
4072
4073 sc->rx_ampdu++;
4074
4075 ampdu = 1;
4076 }
4077 else
4078 {
4079 ampdu = 0;
4080 }
4081
4082 /* check for A-MSDU */
4083
4084 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4085 {
4086 sc->rx_amsdu++;
4087
4088 amsdu = 1;
4089 }
4090 else
4091 {
4092 amsdu = 0;
4093 }
4094
4095 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4096 rssi = rxwi->rssi[ant];
4097 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4098 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4099 RT2870_RXWI_PHYMODE_MASK);
4100 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4101 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4102 RT2870_RXWI_SHORTGI_MASK);
4103 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4104
4105 if (ieee80211_radiotap_active(ic))
4106 {
4107 tap = &sc->rxtap;
4108
4109 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4110 tap->dbm_antsignal = rssi_dbm;
4111 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4112 tap->antenna = ant;
4113 tap->antsignal = rssi;
4114 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4115 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4116 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4117 tap->chan_maxpow = 0;
4118
4119 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4120 tap->rate = rt2870_rxrate(rxwi);
4121 else
4122 tap->rate = mcs | IEEE80211_RATE_MCS;
4123
4124 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4125 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4126
4127 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4128 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4129
4130 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4131 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4132
4133 if (shortgi)
4134 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4135 }
4136
4137 /*
4138 * net80211 assumes that RSSI data are in the range [-127..127] and
4139 * in .5 dBm units relative to the current noise floor
4140 */
4141
4142 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4143 if (rssi_dbm_rel > 127)
4144 rssi_dbm_rel = 127;
4145
4146 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4147 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4148 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
4149 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
4150 device_get_nameunit(sc->dev),
4151 len, phymode, bw, shortgi, mcs,
4152 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4153 rxwi->snr[0], rxwi->snr[1],
4154 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
4155
4156 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4157 if (ni != NULL)
4158 {
4159 rni = (struct rt2870_softc_node *) ni;
4160
4161 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4162 {
4163 rni->last_rssi[i] = rxwi->rssi[i];
4164 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4165 }
4166
4167 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4168 ieee80211_free_node(ni);
4169 }
4170 else
4171 {
4172 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4173 }
4174 }
4175
4176 /*
4177 * rt2870_tx_mgmt
4178 */
4179 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4180 struct mbuf *m, struct ieee80211_node *ni, int qid)
4181 {
4182 struct ifnet *ifp;
4183 struct ieee80211com *ic;
4184 struct ieee80211vap *vap;
4185 const struct ieee80211_txparam *tp;
4186 struct rt2870_softc_node *rni;
4187 struct rt2870_softc_tx_ring *ring;
4188 struct rt2870_softc_tx_data *data;
4189 struct rt2870_txinfo *txinfo;
4190 struct rt2870_txwi *txwi;
4191 struct ieee80211_frame *wh;
4192 struct rt2870_softc_tx_radiotap_header *tap;
4193 u_int hdrsize, hdrspace;
4194 uint8_t rate, stbc, shortgi, mcs, pid;
4195 uint16_t len, dmalen, mpdu_len, dur;
4196 int mimops;
4197
4198 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4199 ("%s: Tx MGMT: invalid qid=%d\n",
4200 device_get_nameunit(sc->dev), qid));
4201
4202 ifp = sc->ifp;
4203 ic = ifp->if_l2com;
4204 vap = ni->ni_vap;
4205 rni = (struct rt2870_softc_node *) ni;
4206 tp = ni->ni_txparms;
4207
4208 ring = &sc->tx_ring[qid];
4209 data = STAILQ_FIRST(&ring->inactive);
4210 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4211 txinfo = (struct rt2870_txinfo *) data->buf;
4212 txwi = (struct rt2870_txwi *) (txinfo + 1);
4213
4214 wh = mtod(m, struct ieee80211_frame *);
4215
4216 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4217
4218 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4219
4220 /* align end on a 4-bytes boundary */
4221
4222 dmalen = (len + 3) & ~3;
4223
4224 /* fill Tx info */
4225
4226 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4227
4228 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4229
4230 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4231
4232 dmalen += 4;
4233
4234 memset((caddr_t) txinfo + len, 0, dmalen - len);
4235
4236 /* fill Tx wireless info */
4237
4238 if (ni->ni_flags & IEEE80211_NODE_HT)
4239 mcs = rate;
4240 else
4241 mcs = rt2870_rate2mcs(rate);
4242
4243 /* calculate MPDU length without padding */
4244
4245 hdrsize = ieee80211_hdrsize(wh);
4246 hdrspace = ieee80211_hdrspace(ic, wh);
4247 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4248
4249 memset(txwi, 0, sizeof(struct rt2870_txwi));
4250
4251 /* management frames do not need encryption */
4252
4253 txwi->wcid = 0xff;
4254
4255 /* MIMO power save */
4256
4257 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4258 {
4259 if (mcs > 7)
4260 {
4261 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4262 {
4263 /* dynamic MIMO power save */
4264
4265 txwi->mpdu_density_flags |=
4266 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4267 }
4268 else
4269 {
4270 /* static MIMO power save */
4271
4272 mcs = 7;
4273 }
4274 }
4275
4276 mimops = 1;
4277 }
4278 else
4279 {
4280 mimops = 0;
4281 }
4282
4283 pid = mcs;
4284
4285 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4286 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4287 RT2870_TXWI_MPDU_LEN_SHIFT);
4288
4289 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4290 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4291
4292 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4293 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4294
4295 txwi->phymode_ifs_stbc_shortgi |=
4296 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4297 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4298
4299 txwi->phymode_ifs_stbc_shortgi |=
4300 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4301
4302 if (ni->ni_flags & IEEE80211_NODE_HT)
4303 {
4304 txwi->phymode_ifs_stbc_shortgi |=
4305 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4306 }
4307 else
4308 {
4309 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4310 {
4311 txwi->phymode_ifs_stbc_shortgi |=
4312 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4313
4314 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4315 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4316 }
4317 else
4318 {
4319 txwi->phymode_ifs_stbc_shortgi |=
4320 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4321 }
4322 }
4323
4324 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4325 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4326
4327 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4328
4329 /* skip ACKs for multicast frames */
4330
4331 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4332 {
4333 txwi->bawin_size_xflags |=
4334 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4335
4336 if (ni->ni_flags & IEEE80211_NODE_HT)
4337 {
4338 /* preamble + plcp + signal extension + SIFS */
4339
4340 dur = 16 + 4 + 6 + 10;
4341 }
4342 else
4343 {
4344 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4345 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4346 }
4347
4348 *(uint16_t *) wh->i_dur = htole16(dur);
4349 }
4350
4351 /* ask MAC to insert timestamp into probe responses */
4352
4353 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4354 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4355 txwi->mpdu_density_flags |=
4356 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4357
4358 if (ieee80211_radiotap_active_vap(vap))
4359 {
4360 tap = &sc->txtap;
4361
4362 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4363 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4364 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4365 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4366 tap->chan_maxpow = 0;
4367
4368 if (ni->ni_flags & IEEE80211_NODE_HT)
4369 tap->rate = mcs | IEEE80211_RATE_MCS;
4370 else
4371 tap->rate = rate;
4372
4373 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4374 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4375
4376 if (shortgi)
4377 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4378
4379 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4380 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4381
4382 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4383 {
4384 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4385
4386 ieee80211_radiotap_tx(vap, m);
4387
4388 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4389 }
4390 else
4391 {
4392 ieee80211_radiotap_tx(vap, m);
4393 }
4394 }
4395
4396 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4397
4398 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4399 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4400 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4401 device_get_nameunit(sc->dev),
4402 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4403
4404 data->len = dmalen;
4405 data->m = m;
4406 data->ni = ni;
4407
4408 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4409 ring->queued++;
4410
4411 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4412
4413 return 0;
4414 }
4415
4416 /*
4417 * rt2870_tx_data
4418 */
4419 static int rt2870_tx_data(struct rt2870_softc *sc,
4420 struct mbuf *m, struct ieee80211_node *ni, int qid)
4421 {
4422 struct ifnet *ifp;
4423 struct ieee80211com *ic;
4424 struct ieee80211vap *vap;
4425 const struct ieee80211_txparam *tp;
4426 struct rt2870_softc_node *rni;
4427 struct rt2870_softc_tx_ring *ring;
4428 struct rt2870_softc_tx_data *data;
4429 struct rt2870_txinfo *txinfo;
4430 struct rt2870_txwi *txwi;
4431 struct ieee80211_frame *wh;
4432 struct ieee80211_tx_ampdu *tx_ampdu;
4433 ieee80211_seq seqno;
4434 struct rt2870_softc_tx_radiotap_header *tap;
4435 u_int hdrsize, hdrspace;
4436 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4437 uint16_t qos, len, dmalen, mpdu_len, dur;
4438 int hasqos, ac, tid, ampdu, mimops;
4439
4440 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4441 ("%s: Tx data: invalid qid=%d\n",
4442 device_get_nameunit(sc->dev), qid));
4443
4444 ifp = sc->ifp;
4445 ic = ifp->if_l2com;
4446 vap = ni->ni_vap;
4447 rni = (struct rt2870_softc_node *) ni;
4448 tp = ni->ni_txparms;
4449
4450 ring = &sc->tx_ring[qid];
4451 data = STAILQ_FIRST(&ring->inactive);
4452 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4453 txinfo = (struct rt2870_txinfo *) data->buf;
4454 txwi = (struct rt2870_txwi *) (txinfo + 1);
4455
4456 wh = mtod(m, struct ieee80211_frame *);
4457
4458 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4459
4460 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4461 if (hasqos)
4462 {
4463 if (IEEE80211_HAS_ADDR4(wh))
4464 qos = le16toh(*(const uint16_t *)
4465 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4466 else
4467 qos = le16toh(*(const uint16_t *)
4468 (((struct ieee80211_qosframe *) wh)->i_qos));
4469 }
4470 else
4471 {
4472 qos = 0;
4473 }
4474
4475 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4476 rate = tp->mcastrate;
4477 else if (m->m_flags & M_EAPOL)
4478 rate = tp->mgmtrate;
4479 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4480 rate = tp->ucastrate;
4481 else
4482 rate = ni->ni_txrate;
4483
4484 rate &= IEEE80211_RATE_VAL;
4485
4486 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4487
4488 /* align end on a 4-bytes boundary */
4489
4490 dmalen = (len + 3) & ~3;
4491
4492 /* fill Tx info */
4493
4494 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4495
4496 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4497
4498 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4499
4500 dmalen += 4;
4501
4502 memset((caddr_t) txinfo + len, 0, dmalen - len);
4503
4504 /* fill Tx wireless info */
4505
4506 if (ni->ni_flags & IEEE80211_NODE_HT)
4507 mcs = rate;
4508 else
4509 mcs = rt2870_rate2mcs(rate);
4510
4511 if (type == IEEE80211_FC0_TYPE_DATA)
4512 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? RT2870_AID2WCID(ni->ni_associd) : 0;
4513 else
4514 wcid = 0xff;
4515
4516 /* calculate MPDU length without padding */
4517
4518 hdrsize = ieee80211_hdrsize(wh);
4519 hdrspace = ieee80211_hdrspace(ic, wh);
4520 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4521
4522 memset(txwi, 0, sizeof(struct rt2870_txwi));
4523
4524 txwi->wcid = wcid;
4525
4526 /* MIMO power save */
4527
4528 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4529 {
4530 if (mcs > 7)
4531 {
4532 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4533 {
4534 /* dynamic MIMO power save */
4535
4536 txwi->mpdu_density_flags |=
4537 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4538 }
4539 else
4540 {
4541 /* static MIMO power save */
4542
4543 mcs = 7;
4544 }
4545 }
4546
4547 mimops = 1;
4548 }
4549 else
4550 {
4551 mimops = 0;
4552 }
4553
4554 pid = mcs;
4555
4556 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4557 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4558 RT2870_TXWI_MPDU_LEN_SHIFT);
4559
4560 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4561 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4562
4563 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4564 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4565
4566 txwi->phymode_ifs_stbc_shortgi |=
4567 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4568 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4569
4570 if (ni->ni_flags & IEEE80211_NODE_HT)
4571 {
4572 txwi->phymode_ifs_stbc_shortgi |=
4573 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4574 }
4575 else
4576 {
4577 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4578 {
4579 txwi->phymode_ifs_stbc_shortgi |=
4580 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4581
4582 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4583 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4584 }
4585 else
4586 {
4587 txwi->phymode_ifs_stbc_shortgi |=
4588 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4589 }
4590 }
4591
4592 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4593 bw = RT2870_TXWI_BW_40;
4594 else
4595 bw = RT2870_TXWI_BW_20;
4596
4597 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4598 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4599
4600 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4601
4602 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4603 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4604 {
4605 txwi->bawin_size_xflags |=
4606 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4607
4608 if (ni->ni_flags & IEEE80211_NODE_HT)
4609 {
4610 /* preamble + plcp + signal extension + SIFS */
4611
4612 dur = 16 + 4 + 6 + 10;
4613 }
4614 else
4615 {
4616 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4617 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4618 }
4619
4620 *(uint16_t *) wh->i_dur = htole16(dur);
4621 }
4622
4623 /* check fo A-MPDU */
4624
4625 if (m->m_flags & M_AMPDU_MPDU)
4626 {
4627 ac = M_WME_GETAC(m);
4628 tid = WME_AC_TO_TID(ac);
4629 tx_ampdu = &ni->ni_tx_ampdu[ac];
4630
4631 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4632 bawin_size = tx_ampdu->txa_wnd;
4633
4634 txwi->mpdu_density_flags |=
4635 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4636 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4637
4638 txwi->bawin_size_xflags |=
4639 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4640
4641 seqno = ni->ni_txseqs[tid]++;
4642
4643 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4644
4645 ampdu = 1;
4646 }
4647 else
4648 {
4649 ampdu = 0;
4650 }
4651
4652 /* ask MAC to insert timestamp into probe responses */
4653
4654 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4655 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4656 txwi->mpdu_density_flags |=
4657 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4658
4659 if (ieee80211_radiotap_active_vap(vap))
4660 {
4661 tap = &sc->txtap;
4662
4663 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4664 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4665 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4666 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4667 tap->chan_maxpow = 0;
4668
4669 if (ni->ni_flags & IEEE80211_NODE_HT)
4670 tap->rate = mcs | IEEE80211_RATE_MCS;
4671 else
4672 tap->rate = rate;
4673
4674 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4675 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4676
4677 if (shortgi)
4678 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4679
4680 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4681 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4682
4683 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4684 {
4685 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4686
4687 ieee80211_radiotap_tx(vap, m);
4688
4689 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4690 }
4691 else
4692 {
4693 ieee80211_radiotap_tx(vap, m);
4694 }
4695 }
4696
4697 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4698
4699 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4700 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4701 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d\n",
4702 device_get_nameunit(sc->dev),
4703 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4704 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen);
4705
4706 data->len = dmalen;
4707 data->m = m;
4708 data->ni = ni;
4709
4710 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4711 ring->queued++;
4712
4713 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4714
4715 return 0;
4716 }
4717
4718 /*
4719 * rt2870_tx_raw
4720 */
4721 static int rt2870_tx_raw(struct rt2870_softc *sc,
4722 struct mbuf *m, struct ieee80211_node *ni,
4723 const struct ieee80211_bpf_params *params)
4724 {
4725 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4726 "%s: Tx raw\n",
4727 device_get_nameunit(sc->dev));
4728
4729 return 0;
4730 }
4731
4732 /*
4733 * rt2870_rx_intr
4734 */
4735 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4736 {
4737 struct rt2870_softc *sc;
4738 struct ifnet *ifp;
4739 struct rt2870_softc_rx_ring *ring;
4740 struct rt2870_softc_rx_data *data;
4741 int len;
4742
4743 sc = usbd_xfer_softc(xfer);
4744 ifp = sc->ifp;
4745 ring = &sc->rx_ring;
4746
4747 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4748 "%s: Rx interrupt: state=%d, error=%s\n",
4749 device_get_nameunit(sc->dev),
4750 USB_GET_STATE(xfer), usbd_errstr(error));
4751
4752 switch (USB_GET_STATE(xfer))
4753 {
4754 case USB_ST_TRANSFERRED:
4755 sc->interrupts++;
4756 sc->rx_interrupts++;
4757
4758 data = STAILQ_FIRST(&ring->active);
4759 if (data == NULL)
4760 goto setup;
4761
4762 STAILQ_REMOVE_HEAD(&ring->active, next);
4763
4764 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4765
4766 data->len = len;
4767
4768 STAILQ_INSERT_TAIL(&ring->done, data, next);
4769
4770 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4771
4772 /* FALLTHROUGH */
4773
4774 setup:
4775
4776 case USB_ST_SETUP:
4777 data = STAILQ_FIRST(&ring->inactive);
4778 if (data == NULL)
4779 break;
4780
4781 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4782
4783 STAILQ_INSERT_TAIL(&ring->active, data, next);
4784
4785 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4786 usbd_transfer_submit(xfer);
4787 break;
4788
4789 default:
4790 sc->interrupts++;
4791 sc->rx_interrupts++;
4792
4793 data = STAILQ_FIRST(&ring->active);
4794 if (data != NULL)
4795 {
4796 STAILQ_REMOVE_HEAD(&ring->active, next);
4797 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4798 }
4799
4800 if (error != USB_ERR_CANCELLED)
4801 {
4802 ifp->if_ierrors++;
4803
4804 usbd_xfer_set_stall(xfer);
4805
4806 goto setup;
4807 }
4808 break;
4809 }
4810 }
4811
4812 /*
4813 * rt2870_tx_intr
4814 */
4815 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4816 {
4817 struct rt2870_softc *sc;
4818 struct ifnet *ifp;
4819 struct rt2870_softc_tx_ring *ring;
4820 struct rt2870_softc_tx_data *data;
4821
4822 sc = usbd_xfer_softc(xfer);
4823 ifp = sc->ifp;
4824 ring = usbd_xfer_get_priv(xfer);
4825
4826 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4827
4828 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4829 "%s: Tx interrupt: state=%d, error=%s\n",
4830 device_get_nameunit(sc->dev),
4831 USB_GET_STATE(xfer), usbd_errstr(error));
4832
4833 switch (USB_GET_STATE(xfer))
4834 {
4835 case USB_ST_TRANSFERRED:
4836 sc->interrupts++;
4837 sc->tx_interrupts[ring->qid]++;
4838
4839 data = STAILQ_FIRST(&ring->active);
4840 if (data == NULL)
4841 goto setup;
4842
4843 STAILQ_REMOVE_HEAD(&ring->active, next);
4844
4845 STAILQ_INSERT_TAIL(&ring->done, data, next);
4846
4847 sc->tx_qid_pending_mask |= (1 << ring->qid);
4848
4849 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4850
4851 /* FALLTHROUGH */
4852
4853 setup:
4854
4855 case USB_ST_SETUP:
4856 data = STAILQ_FIRST(&ring->pending);
4857 if (data == NULL)
4858 break;
4859
4860 STAILQ_REMOVE_HEAD(&ring->pending, next);
4861 STAILQ_INSERT_TAIL(&ring->active, data, next);
4862
4863 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4864 usbd_transfer_submit(xfer);
4865
4866 RT2870_SOFTC_UNLOCK(sc);
4867
4868 rt2870_start(ifp);
4869
4870 RT2870_SOFTC_LOCK(sc);
4871 break;
4872
4873 default:
4874 sc->interrupts++;
4875 sc->tx_interrupts[ring->qid]++;
4876
4877 data = STAILQ_FIRST(&ring->active);
4878 if (data != NULL)
4879 {
4880 STAILQ_REMOVE_HEAD(&ring->active, next);
4881
4882 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4883 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4884
4885 if (data->m != NULL)
4886 {
4887 m_freem(data->m);
4888 data->m = NULL;
4889 }
4890
4891 if (data->ni != NULL)
4892 {
4893 ieee80211_free_node(data->ni);
4894 data->ni = NULL;
4895 }
4896
4897 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4898
4899 ring->queued--;
4900 }
4901
4902 if (error != USB_ERR_CANCELLED)
4903 {
4904 ifp->if_oerrors++;
4905 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4906
4907 usbd_xfer_set_stall(xfer);
4908
4909 goto setup;
4910 }
4911 break;
4912 }
4913 }
4914
4915 /*
4916 * rt2870_rx_done_task
4917 */
4918 static void rt2870_rx_done_task(void *context, int pending)
4919 {
4920 struct rt2870_softc *sc;
4921 struct ifnet *ifp;
4922
4923 sc = context;
4924 ifp = sc->ifp;
4925
4926 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4927 "%s: Rx done task\n",
4928 device_get_nameunit(sc->dev));
4929
4930 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4931 return;
4932
4933 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4934 {
4935 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4936 "%s: Rx done task: scheduling again\n",
4937 device_get_nameunit(sc->dev));
4938
4939 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4940 }
4941 }
4942
4943 /*
4944 * rt2870_tx_done_task
4945 */
4946 static void rt2870_tx_done_task(void *context, int pending)
4947 {
4948 struct rt2870_softc *sc;
4949 struct ifnet *ifp;
4950 int i;
4951
4952 sc = context;
4953 ifp = sc->ifp;
4954
4955 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4956 "%s: Tx done task\n",
4957 device_get_nameunit(sc->dev));
4958
4959 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4960 return;
4961
4962 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4963 {
4964 if (sc->tx_qid_pending_mask & (1 << i))
4965 {
4966 sc->tx_qid_pending_mask &= ~(1 << i);
4967
4968 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4969 }
4970 }
4971
4972 if (sc->tx_qid_pending_mask != 0)
4973 {
4974 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4975 "%s: Tx done task: scheduling again\n",
4976 device_get_nameunit(sc->dev));
4977
4978 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4979 }
4980
4981 sc->tx_timer = 0;
4982
4983 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4984 }
4985
4986 /*
4987 * rt2870_periodic_task
4988 */
4989 static void rt2870_periodic_task(void *context, int pending)
4990 {
4991 struct rt2870_softc *sc;
4992 struct ifnet *ifp;
4993 struct ieee80211com *ic;
4994 struct ieee80211vap *vap;
4995
4996 sc = context;
4997 ifp = sc->ifp;
4998 ic = ifp->if_l2com;
4999 vap = TAILQ_FIRST(&ic->ic_vaps);
5000
5001 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5002 "%s: periodic task: round=%lu\n",
5003 device_get_nameunit(sc->dev), sc->periodic_round);
5004
5005 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5006 return;
5007
5008 RT2870_SOFTC_LOCK(sc);
5009
5010 sc->periodic_round++;
5011
5012 rt2870_update_stats(sc);
5013
5014 if ((sc->periodic_round % 10) == 0)
5015 {
5016 rt2870_bbp_tuning(sc);
5017
5018 rt2870_update_raw_counters(sc);
5019
5020 rt2870_watchdog(sc);
5021
5022 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5023 {
5024 if (vap->iv_opmode == IEEE80211_M_STA)
5025 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
5026 else
5027 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
5028 }
5029 }
5030
5031 RT2870_SOFTC_UNLOCK(sc);
5032
5033 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5034 }
5035
5036 /*
5037 * rt2870_cmd_task
5038 */
5039 static void rt2870_cmd_task(void *context, int pending)
5040 {
5041 struct rt2870_softc *sc;
5042 struct rt2870_softc_cmd_ring *ring;
5043 struct rt2870_softc_cmd *cmd;
5044
5045 sc = context;
5046 ring = &sc->cmd_ring;
5047
5048 while (1)
5049 {
5050 RT2870_SOFTC_LOCK(sc);
5051
5052 cmd = STAILQ_FIRST(&ring->active);
5053 if (cmd == NULL)
5054 {
5055 RT2870_SOFTC_UNLOCK(sc);
5056 break;
5057 }
5058
5059 STAILQ_REMOVE_HEAD(&ring->active, next);
5060
5061 RT2870_SOFTC_UNLOCK(sc);
5062
5063 cmd->cb(sc, cmd->data);
5064
5065 RT2870_SOFTC_LOCK(sc);
5066
5067 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5068 ring->queued--;
5069
5070 RT2870_SOFTC_UNLOCK(sc);
5071 }
5072 }
5073
5074 /*
5075 * rt2870_rx_eof
5076 */
5077 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5078 {
5079 struct ifnet *ifp;
5080 struct rt2870_softc_rx_ring *ring;
5081 struct rt2870_softc_rx_data *data;
5082 uint32_t dmalen;
5083 uint8_t *buf;
5084 int nframes, len;
5085
5086 ifp = sc->ifp;
5087 ring = &sc->rx_ring;
5088
5089 nframes = 0;
5090
5091 while (limit != 0)
5092 {
5093 RT2870_SOFTC_LOCK(sc);
5094
5095 data = STAILQ_FIRST(&ring->done);
5096 if (data == NULL)
5097 {
5098 RT2870_SOFTC_UNLOCK(sc);
5099 break;
5100 }
5101
5102 STAILQ_REMOVE_HEAD(&ring->done, next);
5103
5104 RT2870_SOFTC_UNLOCK(sc);
5105
5106 buf = data->buf;
5107 len = data->len;
5108
5109 if (len < RT2870_RX_DESC_SIZE)
5110 {
5111 ifp->if_ierrors++;
5112 goto skip;
5113 }
5114
5115 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5116 {
5117 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5118
5119 if (dmalen == 0 || (dmalen & 3) != 0)
5120 {
5121 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5122 "%s: bad DMA len=%u\n",
5123 device_get_nameunit(sc->dev), dmalen);
5124 goto skip;
5125 }
5126
5127 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5128 {
5129 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5130 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5131 device_get_nameunit(sc->dev),
5132 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5133 goto skip;
5134 }
5135
5136 nframes++;
5137
5138 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5139
5140 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5141 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5142 }
5143
5144 skip:
5145
5146 RT2870_SOFTC_LOCK(sc);
5147
5148 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5149
5150 usbd_transfer_start(sc->usb_xfer[0]);
5151
5152 RT2870_SOFTC_UNLOCK(sc);
5153
5154 limit--;
5155 }
5156
5157 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5158 "%s: Rx eof: nframes=%d\n",
5159 device_get_nameunit(sc->dev), nframes);
5160
5161 sc->rx_packets += nframes;
5162
5163 return (limit == 0);
5164 }
5165
5166 /*
5167 * rt2870_tx_eof
5168 */
5169 static void rt2870_tx_eof(struct rt2870_softc *sc,
5170 struct rt2870_softc_tx_ring *ring)
5171 {
5172 struct ifnet *ifp;
5173 struct rt2870_softc_tx_data *data;
5174 int nframes;
5175
5176 ifp = sc->ifp;
5177
5178 nframes = 0;
5179
5180 while (1)
5181 {
5182 RT2870_SOFTC_LOCK(sc);
5183
5184 data = STAILQ_FIRST(&ring->done);
5185 if (data == NULL)
5186 {
5187 RT2870_SOFTC_UNLOCK(sc);
5188 break;
5189 }
5190
5191 STAILQ_REMOVE_HEAD(&ring->done, next);
5192
5193 rt2870_drain_fifo_stats(sc);
5194
5195 RT2870_SOFTC_UNLOCK(sc);
5196
5197 nframes++;
5198
5199 if (data->m->m_flags & M_TXCB)
5200 ieee80211_process_callback(data->ni, data->m, 0);
5201
5202 m_freem(data->m);
5203
5204 ieee80211_free_node(data->ni);
5205
5206 data->m = NULL;
5207 data->ni = NULL;
5208
5209 RT2870_SOFTC_LOCK(sc);
5210
5211 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5212
5213 ring->queued--;
5214 ifp->if_opackets++;
5215
5216 RT2870_SOFTC_UNLOCK(sc);
5217 }
5218
5219 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5220 "%s: Tx eof: qid=%d, nframes=%d\n",
5221 device_get_nameunit(sc->dev), ring->qid, nframes);
5222 }
5223
5224 /*
5225 * rt2870_update_stats
5226 */
5227 static void rt2870_update_stats(struct rt2870_softc *sc)
5228 {
5229 struct ifnet *ifp;
5230 struct ieee80211com *ic;
5231 struct ieee80211vap *vap;
5232 struct ieee80211_node *ni;
5233 uint32_t stacnt[3];
5234 int beacons, noretryok, retryok, failed, underflows, zerolen;
5235 uint16_t associd;
5236 uint8_t wcid;
5237
5238 ifp = sc->ifp;
5239 ic = ifp->if_l2com;
5240 vap = TAILQ_FIRST(&ic->ic_vaps);
5241
5242 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5243 "%s: update statistic\n",
5244 device_get_nameunit(sc->dev));
5245
5246 rt2870_drain_fifo_stats(sc);
5247
5248 /* read and clear Tx statistic registers */
5249
5250 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5251 stacnt, sizeof(stacnt));
5252
5253 stacnt[0] = le32toh(stacnt[0]);
5254 stacnt[1] = le32toh(stacnt[1]);
5255 stacnt[2] = le32toh(stacnt[2]);
5256
5257 beacons = stacnt[0] >> 16;
5258 noretryok = stacnt[1] & 0xffff;
5259 retryok = stacnt[1] >> 16;
5260 failed = stacnt[0] & 0xffff;
5261 underflows = stacnt[2] >> 16;
5262 zerolen = stacnt[2] & 0xffff;
5263
5264 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5265 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5266 device_get_nameunit(sc->dev),
5267 beacons, noretryok, retryok, failed, underflows, zerolen);
5268
5269 ifp->if_oerrors += failed;
5270
5271 sc->tx_beacons += beacons;
5272 sc->tx_noretryok += noretryok;
5273 sc->tx_retryok += retryok;
5274 sc->tx_failed += failed;
5275 sc->tx_underflows += underflows;
5276 sc->tx_zerolen += zerolen;
5277
5278 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5279 {
5280 ni = vap->iv_bss;
5281
5282 associd = (ni != NULL) ? ni->ni_associd : 0;
5283 wcid = RT2870_AID2WCID(associd);
5284
5285 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
5286 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5287 }
5288 }
5289
5290 /*
5291 * rt2870_bbp_tuning
5292 */
5293 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5294 {
5295 struct ifnet *ifp;
5296 struct ieee80211com *ic;
5297 struct ieee80211vap *vap;
5298 struct ieee80211_node *ni;
5299 int chan, group;
5300 int8_t rssi, old, new;
5301
5302 /* RT2860C does not support BBP tuning */
5303
5304 if (sc->mac_rev == 0x28600100)
5305 return;
5306
5307 ifp = sc->ifp;
5308 ic = ifp->if_l2com;
5309 vap = TAILQ_FIRST(&ic->ic_vaps);
5310
5311 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5312 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5313 return;
5314
5315 ni = vap->iv_bss;
5316
5317 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5318
5319 if (chan <= 14)
5320 group = 0;
5321 else if (chan <= 64)
5322 group = 1;
5323 else if (chan <= 128)
5324 group = 2;
5325 else
5326 group = 3;
5327
5328 rssi = ieee80211_getrssi(vap);
5329
5330 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5331 {
5332 new = 0x2e + sc->lna_gain[group];
5333 }
5334 else
5335 {
5336 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5337 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5338 else
5339 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5340 }
5341
5342 /* Tune if absolute average RSSI is greater than -80 */
5343
5344 if (rssi > 30)
5345 new += 0x10;
5346
5347 old = rt2870_io_bbp_read(sc, 66);
5348
5349 if (old != new)
5350 rt2870_io_bbp_write(sc, 66, new);
5351 }
5352
5353 /*
5354 * rt2870_watchdog
5355 */
5356 static void rt2870_watchdog(struct rt2870_softc *sc)
5357 {
5358 uint32_t tmp;
5359 int ntries;
5360
5361 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5362
5363 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5364 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5365 device_get_nameunit(sc->dev), tmp);
5366
5367 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5368 {
5369 sc->tx_queue_not_empty[0]++;
5370
5371 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5372
5373 for (ntries = 0; ntries < 10; ntries++)
5374 {
5375 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5376 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5377 break;
5378
5379 DELAY(1);
5380 }
5381
5382 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5383 }
5384
5385 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5386 {
5387 sc->tx_queue_not_empty[1]++;
5388
5389 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5390
5391 for (ntries = 0; ntries < 10; ntries++)
5392 {
5393 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5394 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5395 break;
5396
5397 DELAY(1);
5398 }
5399
5400 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5401 }
5402 }
5403
5404 /*
5405 * rt2870_drain_fifo_stats
5406 */
5407 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5408 {
5409 struct ifnet *ifp;
5410 uint32_t stats;
5411 uint8_t wcid, mcs, pid;
5412 int ok, agg, retrycnt;
5413
5414 ifp = sc->ifp;
5415
5416 /* drain Tx status FIFO (maxsize = 16) */
5417
5418 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5419 RT2870_REG_TX_STA_FIFO_VALID)
5420 {
5421 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5422 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5423
5424 /* if no ACK was requested, no feedback is available */
5425
5426 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5427 continue;
5428
5429 /* update AMRR statistic */
5430
5431 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5432 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5433 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5434 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5435 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5436 RT2870_REG_TX_STA_FIFO_PID_MASK;
5437 retrycnt = pid - mcs;
5438
5439 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5440 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5441 device_get_nameunit(sc->dev),
5442 wcid, ok, agg, mcs, pid, retrycnt);
5443
5444 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5445
5446 if (!ok)
5447 ifp->if_oerrors++;
5448 }
5449 }
5450
5451 /*
5452 * rt2870_update_raw_counters
5453 */
5454 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5455 {
5456 uint32_t tmp;
5457
5458 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5459
5460 sc->tx_nonagg += tmp & 0xffff;
5461 sc->tx_agg += tmp >> 16;
5462
5463 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5464
5465 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5466
5467 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5468
5469 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5470
5471 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5472
5473 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5474
5475 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5476
5477 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5478
5479 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5480
5481 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5482
5483 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5484
5485 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5486
5487 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5488
5489 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5490
5491 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5492
5493 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5494
5495 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5496
5497 sc->rx_crc_errors += tmp & 0xffff;
5498 sc->rx_phy_errors += tmp >> 16;
5499
5500 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5501
5502 sc->rx_false_ccas += tmp & 0xffff;
5503 sc->rx_plcp_errors += tmp >> 16;
5504
5505 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5506
5507 sc->rx_dup_packets += tmp & 0xffff;
5508 sc->rx_fifo_overflows += tmp >> 16;
5509
5510 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5511
5512 sc->tx_mpdu_zero_density += tmp & 0xffff;
5513 sc->rx_mpdu_zero_density += tmp >> 16;
5514 }
5515
5516 /*
5517 * rt2870_txrx_enable
5518 */
5519 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5520 {
5521 struct ieee80211com *ic;
5522 struct ifnet *ifp;
5523 uint32_t tmp;
5524 int ntries;
5525
5526 ifp = sc->ifp;
5527 ic = ifp->if_l2com;
5528
5529 /* enable Tx/Rx DMA engine */
5530
5531 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5532
5533 tmp &= 0xffffff00;
5534 tmp |= 0x1e;
5535
5536 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5537
5538 if ((sc->mac_rev & 0xffff) != 0x0101)
5539 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5540
5541 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5542
5543 for (ntries = 0; ntries < 200; ntries++)
5544 {
5545 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5546 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5547 break;
5548
5549 DELAY(1000);
5550 }
5551
5552 if (ntries == 200)
5553 {
5554 printf("%s: timeout waiting for DMA engine\n",
5555 device_get_nameunit(sc->dev));
5556 return -1;
5557 }
5558
5559 DELAY(50);
5560
5561 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5562 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5563 (48 << 16) | 96);
5564
5565 tmp |= RT2870_REG_TX_WB_DDONE |
5566 RT2870_REG_RX_DMA_ENABLE |
5567 RT2870_REG_TX_DMA_ENABLE;
5568
5569 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5570
5571 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5572 RT2870_REG_USB_DMA_RX_ENABLE |
5573 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5574 /* Rx agg limit in unit of 1024 byte */
5575 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5576 /* Rx agg timeout in unit of 33ns */
5577 0x80;
5578
5579 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5580
5581 /* set Rx filter */
5582
5583 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5584 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5585
5586 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5587 {
5588 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5589 RT2870_REG_RX_FILTER_DROP_CTS |
5590 RT2870_REG_RX_FILTER_DROP_BA |
5591 RT2870_REG_RX_FILTER_DROP_ACK |
5592 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5593 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5594 RT2870_REG_RX_FILTER_DROP_CFACK |
5595 RT2870_REG_RX_FILTER_DROP_CFEND;
5596
5597 if (ic->ic_opmode == IEEE80211_M_STA)
5598 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5599 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5600
5601 if (!(ifp->if_flags & IFF_PROMISC))
5602 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5603 }
5604
5605 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5606
5607 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5608 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5609
5610 return 0;
5611 }
5612
5613 /*
5614 * rt2870_alloc_rx_ring
5615 */
5616 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5617 struct rt2870_softc_rx_ring *ring)
5618 {
5619 struct rt2870_softc_rx_data *data;
5620 int i, error;
5621
5622 STAILQ_INIT(&ring->inactive);
5623 STAILQ_INIT(&ring->active);
5624 STAILQ_INIT(&ring->done);
5625
5626 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5627 {
5628 data = &ring->data[i];
5629
5630 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5631 if (data->buf == NULL)
5632 {
5633 printf("%s: could not allocate Rx buffer\n",
5634 device_get_nameunit(sc->dev));
5635 error = ENOMEM;
5636 goto fail;
5637 }
5638
5639 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5640 }
5641
5642 return 0;
5643
5644 fail:
5645
5646 rt2870_free_rx_ring(sc, ring);
5647
5648 return error;
5649 }
5650
5651 /*
5652 * rt2870_reset_rx_ring
5653 */
5654 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5655 struct rt2870_softc_rx_ring *ring)
5656 {
5657 struct rt2870_softc_rx_data *data;
5658 int i;
5659
5660 STAILQ_INIT(&ring->inactive);
5661 STAILQ_INIT(&ring->active);
5662 STAILQ_INIT(&ring->done);
5663
5664 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5665 {
5666 data = &ring->data[i];
5667
5668 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5669 }
5670 }
5671
5672 /*
5673 * rt2870_free_rx_ring
5674 */
5675 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5676 struct rt2870_softc_rx_ring *ring)
5677 {
5678 struct rt2870_softc_rx_data *data;
5679 int i;
5680
5681 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5682 {
5683 data = &ring->data[i];
5684
5685 if (data->buf != NULL)
5686 {
5687 free(data->buf, M_USBDEV);
5688 data->buf = NULL;
5689 }
5690 }
5691 }
5692
5693 /*
5694 * rt2870_alloc_tx_ring
5695 */
5696 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5697 struct rt2870_softc_tx_ring *ring, int qid)
5698 {
5699 struct rt2870_softc_tx_data *data;
5700 int i, error;
5701
5702 STAILQ_INIT(&ring->inactive);
5703 STAILQ_INIT(&ring->pending);
5704 STAILQ_INIT(&ring->active);
5705 STAILQ_INIT(&ring->done);
5706
5707 ring->queued = 0;
5708 ring->qid = qid;
5709
5710 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5711 {
5712 data = &ring->data[i];
5713
5714 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5715 if (data->buf == NULL)
5716 {
5717 printf("%s: could not allocate Tx buffer\n",
5718 device_get_nameunit(sc->dev));
5719 error = ENOMEM;
5720 goto fail;
5721 }
5722
5723 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5724
5725 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5726 }
5727
5728 return 0;
5729
5730 fail:
5731
5732 rt2870_free_tx_ring(sc, ring);
5733
5734 return error;
5735 }
5736
5737 /*
5738 * rt2870_reset_tx_ring
5739 */
5740 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5741 struct rt2870_softc_tx_ring *ring)
5742 {
5743 struct rt2870_softc_tx_data *data;
5744 int i;
5745
5746 STAILQ_INIT(&ring->inactive);
5747 STAILQ_INIT(&ring->pending);
5748 STAILQ_INIT(&ring->active);
5749 STAILQ_INIT(&ring->done);
5750
5751 ring->queued = 0;
5752
5753 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5754 {
5755 data = &ring->data[i];
5756
5757 if (data->m != NULL)
5758 {
5759 m_free(data->m);
5760 data->m = NULL;
5761 }
5762
5763 if (data->ni != NULL)
5764 {
5765 ieee80211_free_node(data->ni);
5766 data->ni = NULL;
5767 }
5768
5769 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5770 }
5771 }
5772
5773 /*
5774 * rt2870_free_tx_ring
5775 */
5776 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5777 struct rt2870_softc_tx_ring *ring)
5778 {
5779 struct rt2870_softc_tx_data *data;
5780 int i;
5781
5782 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5783 {
5784 data = &ring->data[i];
5785
5786 if (data->buf != NULL)
5787 {
5788 free(data->buf, M_USBDEV);
5789 data->buf = NULL;
5790 }
5791
5792 if (data->m != NULL)
5793 {
5794 m_free(data->m);
5795 data->m = NULL;
5796 }
5797
5798 if (data->ni != NULL)
5799 {
5800 ieee80211_free_node(data->ni);
5801 data->ni = NULL;
5802 }
5803 }
5804 }
5805
5806 /*
5807 * rt2870_reset_cmd_ring
5808 */
5809 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5810 struct rt2870_softc_cmd_ring *ring)
5811 {
5812 struct rt2870_softc_cmd *cmd;
5813 int i;
5814
5815 STAILQ_INIT(&ring->inactive);
5816 STAILQ_INIT(&ring->active);
5817
5818 ring->queued = 0;
5819
5820 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5821 {
5822 cmd = &ring->cmd[i];
5823
5824 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5825 }
5826 }
5827
5828 /*
5829 * rt2870_sysctl_attach
5830 */
5831 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5832 {
5833 struct sysctl_ctx_list *ctx;
5834 struct sysctl_oid *tree;
5835 struct sysctl_oid *stats;
5836
5837 ctx = device_get_sysctl_ctx(sc->dev);
5838 tree = device_get_sysctl_tree(sc->dev);
5839
5840 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5841 "stats", CTLFLAG_RD, 0, "statistic");
5842
5843 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5844 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5845 "all interrupts");
5846
5847 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5848 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5849 "Rx interrupts");
5850
5851 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5852 {
5853 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5854 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5855 "Tx MGMT interrupts");
5856
5857 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5858 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5859 "Tx HCCA interrupts");
5860 }
5861
5862 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5863 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5864 "Tx AC3 interrupts");
5865
5866 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5867 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5868 "Tx AC2 interrupts");
5869
5870 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5871 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5872 "Tx AC1 interrupts");
5873
5874 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5875 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5876 "Tx AC0 interrupts");
5877
5878 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5879 {
5880 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5881 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5882 "Tx MGMT data queued");
5883
5884 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5885 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5886 "Tx HCCA data queued");
5887 }
5888
5889 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5890 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5891 "Tx AC3 data queued");
5892
5893 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5894 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5895 "Tx AC2 data queued");
5896
5897 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5898 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5899 "Tx AC1 data queued");
5900
5901 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5902 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5903 "Tx AC0 data queued");
5904
5905 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5906 {
5907 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5908 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5909 "Tx MGMT data queue full");
5910
5911 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5912 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5913 "Tx HCCA data queue full");
5914 }
5915
5916 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5917 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5918 "Tx AC3 data queue full");
5919
5920 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5921 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5922 "Tx AC2 data queue full");
5923
5924 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5925 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5926 "Tx AC1 data queue full");
5927
5928 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5929 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5930 "Tx AC0 data queue full");
5931
5932 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5933 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5934 "Tx watchdog timeouts");
5935
5936 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5937 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5938 "Rx mbuf allocation errors");
5939
5940 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5941 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5942 "Tx queue 0 not empty");
5943
5944 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5945 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5946 "Tx queue 1 not empty");
5947
5948 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5949 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5950 "Tx beacons");
5951
5952 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5953 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5954 "Tx successfull without retries");
5955
5956 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5957 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5958 "Tx successfull with retries");
5959
5960 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5961 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5962 "Tx failed");
5963
5964 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5965 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5966 "Tx underflows");
5967
5968 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5969 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5970 "Tx zero length");
5971
5972 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5973 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5974 "Tx non-aggregated");
5975
5976 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5977 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5978 "Tx aggregated");
5979
5980 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5981 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5982 "Tx A-MPDU");
5983
5984 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5985 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5986 "Tx MPDU with zero density");
5987
5988 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5989 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5990 "Rx packets");
5991
5992 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5993 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5994 "Rx A-MPDU");
5995
5996 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5997 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
5998 "Rx MPDU with zero density");
5999
6000 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6001 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6002 "Rx A-MSDU");
6003
6004 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6005 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6006 "Rx CRC errors");
6007
6008 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6009 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6010 "Rx PHY errors");
6011
6012 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6013 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6014 "Rx false CCAs");
6015
6016 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6017 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6018 "Rx PLCP errors");
6019
6020 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6021 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6022 "Rx duplicate packets");
6023
6024 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6025 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6026 "Rx FIFO overflows");
6027 }
6028
6029 static device_method_t rt2870_dev_methods[] =
6030 {
6031 DEVMETHOD(device_probe, rt2870_probe),
6032 DEVMETHOD(device_attach, rt2870_attach),
6033 DEVMETHOD(device_detach, rt2870_detach),
6034 { 0, 0 }
6035 };
6036
6037 static driver_t rt2870_driver =
6038 {
6039 "rt2870",
6040 rt2870_dev_methods,
6041 sizeof(struct rt2870_softc),
6042 };
6043
6044 static devclass_t rt2870_dev_class;
6045
6046 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6047 NULL, 0);
6048
6049 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6050 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870