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Implemented funtion ic_node_getmimoinfo; Save RSSI data in dB per node
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blobee2a84f217ba9a547ca522f3f8ade297079d17b7
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
2030 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2031 ni = vap->iv_bss;
2032 else
2033 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2034
2035 associd = (ni != NULL) ? ni->ni_associd : 0;
2036
2037 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2038 ieee80211_free_node(ni);
2039
2040 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2041 cmd_argv.associd = associd;
2042
2043 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2044 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2045
2046 return 1;
2047 }
2048
2049 /*
2050 * rt2870_vap_key_delete
2051 */
2052 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2053 const struct ieee80211_key *k)
2054 {
2055 struct rt2870_softc *sc;
2056 struct ieee80211com *ic;
2057 struct ifnet *ifp;
2058 struct ieee80211_node *ni;
2059 struct rt2870_cmd_argv_keydelete cmd_argv;
2060 uint16_t associd;
2061
2062 ic = vap->iv_ic;
2063 ifp = ic->ic_ifp;
2064 sc = ifp->if_softc;
2065 ni = vap->iv_bss;
2066 associd = (ni != NULL) ? ni->ni_associd : 0;
2067
2068 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2069 cmd_argv.associd = associd;
2070
2071 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2072 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2073
2074 return 1;
2075 }
2076
2077 /*
2078 * rt2870_vap_update_beacon
2079 */
2080 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2081 {
2082 struct rt2870_softc *sc;
2083 struct ieee80211com *ic;
2084 struct ifnet *ifp;
2085 struct rt2870_softc_vap *rvap;
2086 struct mbuf *m;
2087 struct ieee80211_beacon_offsets *bo;
2088
2089 ic = vap->iv_ic;
2090 ifp = ic->ic_ifp;
2091 sc = ifp->if_softc;
2092 rvap = (struct rt2870_softc_vap *) vap;
2093 m = rvap->beacon_mbuf;
2094 bo = &rvap->beacon_offsets;
2095
2096 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2097 "%s: VAP update beacon: what=%d\n",
2098 device_get_nameunit(sc->dev), what);
2099
2100 setbit(bo->bo_flags, what);
2101
2102 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2103
2104 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2105 }
2106
2107 /*
2108 * rt2870_node_alloc
2109 */
2110 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2111 const uint8_t mac[IEEE80211_ADDR_LEN])
2112 {
2113 return malloc(sizeof(struct rt2870_softc_node),
2114 M_80211_NODE, M_NOWAIT | M_ZERO);
2115 }
2116
2117 /*
2118 * rt2870_node_getmimoinfo
2119 */
2120 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2121 struct ieee80211_mimo_info *mi)
2122 {
2123 const struct rt2870_softc_node *rni;
2124 int i;
2125
2126 rni = (const struct rt2870_softc_node *) ni;
2127
2128 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2129 {
2130 mi->rssi[i] = rni->last_rssi_dbm[i];
2131 mi->noise[i] = RT2870_NOISE_FLOOR;
2132 }
2133 }
2134
2135 /*
2136 * rt2870_setregdomain
2137 */
2138 static int rt2870_setregdomain(struct ieee80211com *ic,
2139 struct ieee80211_regdomain *reg,
2140 int nchans, struct ieee80211_channel chans[])
2141 {
2142 struct rt2870_softc *sc;
2143 struct ifnet *ifp;
2144
2145 ifp = ic->ic_ifp;
2146 sc = ifp->if_softc;
2147
2148 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2149 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2150 device_get_nameunit(sc->dev),
2151 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2152
2153 return 0;
2154 }
2155
2156 /*
2157 * rt2870_getradiocaps
2158 */
2159 static void rt2870_getradiocaps(struct ieee80211com *ic,
2160 int maxchans, int *nchans, struct ieee80211_channel chans[])
2161 {
2162 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2163
2164 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2165 }
2166
2167 /*
2168 * rt2870_scan_start
2169 */
2170 static void rt2870_scan_start(struct ieee80211com *ic)
2171 {
2172 struct rt2870_softc *sc;
2173 struct ifnet *ifp;
2174
2175 ifp = ic->ic_ifp;
2176 sc = ifp->if_softc;
2177
2178 RT2870_SOFTC_LOCK(sc);
2179
2180 rt2870_asic_disable_tsf_sync(sc);
2181
2182 RT2870_SOFTC_UNLOCK(sc);
2183 }
2184
2185 /*
2186 * rt2870_scan_end
2187 */
2188 static void rt2870_scan_end(struct ieee80211com *ic)
2189 {
2190 struct rt2870_softc *sc;
2191 struct ifnet *ifp;
2192
2193 ifp = ic->ic_ifp;
2194 sc = ifp->if_softc;
2195
2196 RT2870_SOFTC_LOCK(sc);
2197
2198 rt2870_asic_enable_tsf_sync(sc);
2199
2200 RT2870_SOFTC_UNLOCK(sc);
2201 }
2202
2203 /*
2204 * rt2870_set_channel
2205 */
2206 static void rt2870_set_channel(struct ieee80211com *ic)
2207 {
2208 struct rt2870_softc *sc;
2209 struct ifnet *ifp;
2210
2211 ifp = ic->ic_ifp;
2212 sc = ifp->if_softc;
2213
2214 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2215 "%s: set channel: channel=%u, HT%s%s\n",
2216 device_get_nameunit(sc->dev),
2217 ieee80211_chan2ieee(ic, ic->ic_curchan),
2218 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2219 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2220 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2221 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2222
2223 RT2870_SOFTC_LOCK(sc);
2224
2225 rt2870_rf_set_chan(sc, ic->ic_curchan);
2226
2227 RT2870_SOFTC_UNLOCK(sc);
2228 }
2229
2230 /*
2231 * rt2870_newassoc
2232 */
2233 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2234 {
2235 struct rt2870_softc *sc;
2236 struct ieee80211com *ic;
2237 struct ifnet *ifp;
2238 struct ieee80211vap *vap;
2239 struct rt2870_softc_vap *rvap;
2240 uint16_t associd;
2241 uint8_t wcid;
2242
2243 vap = ni->ni_vap;
2244 ic = vap->iv_ic;
2245 ifp = ic->ic_ifp;
2246 sc = ifp->if_softc;
2247 rvap = (struct rt2870_softc_vap *) vap;
2248
2249 associd = (ni != NULL) ? ni->ni_associd : 0;
2250 wcid = RT2870_AID2WCID(associd);
2251
2252 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2253 "%s: new association: wcid=0x%02x, "
2254 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2255 device_get_nameunit(sc->dev), wcid,
2256 ether_sprintf(ni->ni_macaddr),
2257 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2258 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2259 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2260
2261 RT2870_SOFTC_LOCK(sc);
2262
2263 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2264 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2265
2266 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2267
2268 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2269 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2270 device_get_nameunit(sc->dev),
2271 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2272 ni->ni_associd, ni->ni_txrate,
2273 (ni->ni_flags & IEEE80211_NODE_HT) ?
2274 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2275 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2276
2277 rt2870_asic_updateprot(sc);
2278 rt2870_asic_updateslot(sc);
2279 rt2870_asic_set_txpreamble(sc);
2280
2281 RT2870_SOFTC_UNLOCK(sc);
2282 }
2283
2284 /*
2285 * rt2870_updateslot
2286 */
2287 static void rt2870_updateslot(struct ifnet *ifp)
2288 {
2289 struct rt2870_softc *sc;
2290
2291 sc = ifp->if_softc;
2292
2293 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2294 }
2295
2296 /*
2297 * rt2870_update_promisc
2298 */
2299 static void rt2870_update_promisc(struct ifnet *ifp)
2300 {
2301 struct rt2870_softc *sc;
2302
2303 sc = ifp->if_softc;
2304
2305 RT2870_SOFTC_LOCK(sc);
2306
2307 rt2870_asic_update_promisc(sc);
2308
2309 RT2870_SOFTC_UNLOCK(sc);
2310 }
2311
2312 /*
2313 * rt2870_update_mcast
2314 */
2315 static void rt2870_update_mcast(struct ifnet *ifp)
2316 {
2317 struct rt2870_softc *sc;
2318
2319 sc = ifp->if_softc;
2320 }
2321
2322 /*
2323 * rt2870_wme_update
2324 */
2325 static int rt2870_wme_update(struct ieee80211com *ic)
2326 {
2327 struct rt2870_softc *sc;
2328 struct ifnet *ifp;
2329
2330 ifp = ic->ic_ifp;
2331 sc = ifp->if_softc;
2332
2333 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2334
2335 return 0;
2336 }
2337
2338 /*
2339 * rt2870_raw_xmit
2340 */
2341 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2342 const struct ieee80211_bpf_params *params)
2343 {
2344 struct rt2870_softc *sc;
2345 struct ieee80211com *ic;
2346 struct ifnet *ifp;
2347
2348 ic = ni->ni_ic;
2349 ifp = ic->ic_ifp;
2350 sc = ifp->if_softc;
2351
2352 RT2870_SOFTC_LOCK(sc);
2353
2354 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2355 {
2356 RT2870_SOFTC_UNLOCK(sc);
2357
2358 m_freem(m);
2359 ieee80211_free_node(ni);
2360
2361 return ENETDOWN;
2362 }
2363
2364 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2365 {
2366 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2367 "%s: raw xmit: Tx ring with qid=%d is full\n",
2368 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2369
2370 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2371
2372 RT2870_SOFTC_UNLOCK(sc);
2373
2374 m_freem(m);
2375 ieee80211_free_node(ni);
2376
2377 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2378
2379 return ENOBUFS;
2380 }
2381
2382 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2383 {
2384 ifp->if_oerrors++;
2385
2386 RT2870_SOFTC_UNLOCK(sc);
2387
2388 ieee80211_free_node(ni);
2389
2390 return EIO;
2391 }
2392
2393 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2394
2395 RT2870_SOFTC_UNLOCK(sc);
2396
2397 return 0;
2398 }
2399
2400 /*
2401 * rt2870_recv_action
2402 */
2403 static int rt2870_recv_action(struct ieee80211_node *ni,
2404 const struct ieee80211_frame *wh,
2405 const uint8_t *frm, const uint8_t *efrm)
2406 {
2407 struct rt2870_softc *sc;
2408 struct ieee80211com *ic;
2409 struct ifnet *ifp;
2410 const struct ieee80211_action *ia;
2411 struct ieee80211_tx_ampdu *tx_ampdu;
2412 uint16_t associd, status, baparamset;
2413 uint8_t wcid;
2414 int ret, tid, bufsize, ac;
2415 uint32_t tmp;
2416
2417 ic = ni->ni_ic;
2418 ifp = ic->ic_ifp;
2419 sc = ifp->if_softc;
2420
2421 ia = (const struct ieee80211_action *) frm;
2422
2423 ret = sc->recv_action(ni, wh, frm, efrm);
2424
2425 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2426 return ret;
2427
2428 associd = (ni != NULL) ? ni->ni_associd : 0;
2429 wcid = RT2870_AID2WCID(associd);
2430
2431 switch (ia->ia_action)
2432 {
2433 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2434 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2435 baparamset = LE_READ_2(frm + 3);
2436 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2437 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2438
2439 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2440 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2441 device_get_nameunit(sc->dev), associd, tid, bufsize);
2442
2443 RT2870_SOFTC_LOCK(sc);
2444
2445 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2446
2447 tmp |= (0x10000 << tid);
2448
2449 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2450
2451 RT2870_SOFTC_UNLOCK(sc);
2452 break;
2453
2454 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2455 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2456 status = LE_READ_2(frm + 3);
2457 baparamset = LE_READ_2(frm + 4);
2458 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2459 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2460 ac = TID_TO_WME_AC(tid);
2461 tx_ampdu = &ni->ni_tx_ampdu[ac];
2462
2463 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2464 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2465 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2466
2467 if (sc->mac_rev >= 0x28720200)
2468 {
2469 if (tx_ampdu->txa_wnd > 13)
2470 tx_ampdu->txa_wnd = 13;
2471 }
2472 else
2473 {
2474 if (tx_ampdu->txa_wnd > 7)
2475 tx_ampdu->txa_wnd = 7;
2476 }
2477
2478 if (status == IEEE80211_STATUS_SUCCESS)
2479 {
2480 sc->tx_ampdu_sessions++;
2481
2482 RT2870_SOFTC_LOCK(sc);
2483
2484 rt2870_asic_updateprot(sc);
2485
2486 RT2870_SOFTC_UNLOCK(sc);
2487 }
2488 break;
2489
2490 /* IEEE80211_ACTION_BA_DELBA */
2491 case IEEE80211_ACTION_BA_DELBA:
2492 baparamset = LE_READ_2(frm + 2);
2493 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2494
2495 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2496 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2497 device_get_nameunit(sc->dev), associd, tid);
2498
2499 RT2870_SOFTC_LOCK(sc);
2500
2501 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2502
2503 tmp &= ~(0x10000 << tid);
2504
2505 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2506
2507 RT2870_SOFTC_UNLOCK(sc);
2508 break;
2509 }
2510
2511 return ret;
2512 }
2513
2514 /*
2515 * rt2870_send_action
2516 */
2517 static int rt2870_send_action(struct ieee80211_node *ni,
2518 int cat, int act, void *sa)
2519 {
2520 struct rt2870_softc *sc;
2521 struct ieee80211com *ic;
2522 struct ifnet *ifp;
2523 uint16_t associd, *args, baparamset;
2524 uint8_t wcid;
2525 int ret, tid;
2526 uint32_t tmp;
2527
2528 ic = ni->ni_ic;
2529 ifp = ic->ic_ifp;
2530 sc = ifp->if_softc;
2531
2532 ret = sc->send_action(ni, cat, act, sa);
2533
2534 if (cat != IEEE80211_ACTION_CAT_BA)
2535 return ret;
2536
2537 associd = (ni != NULL) ? ni->ni_associd : 0;
2538 wcid = RT2870_AID2WCID(associd);
2539 args = sa;
2540
2541 switch (act)
2542 {
2543 /* IEEE80211_ACTION_BA_DELBA */
2544 case IEEE80211_ACTION_BA_DELBA:
2545 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2546
2547 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2548
2549 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2550 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2551 device_get_nameunit(sc->dev), associd, tid);
2552
2553 RT2870_SOFTC_LOCK(sc);
2554
2555 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2556 {
2557 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2558
2559 tmp &= ~(0x10000 << tid);
2560
2561 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2562 }
2563 else
2564 {
2565 sc->tx_ampdu_sessions--;
2566
2567 rt2870_asic_updateprot(sc);
2568 }
2569
2570 RT2870_SOFTC_UNLOCK(sc);
2571 break;
2572 }
2573
2574 return ret;
2575 }
2576
2577 /*
2578 * rt2870_amrr_update_iter_func
2579 */
2580 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2581 {
2582 struct rt2870_softc *sc;
2583 struct ieee80211com *ic;
2584 struct ifnet *ifp;
2585 struct ieee80211vap *vap;
2586 struct rt2870_softc_vap *rvap;
2587 uint8_t wcid;
2588
2589 vap = arg;
2590 ic = vap->iv_ic;
2591 ifp = ic->ic_ifp;
2592 sc = ifp->if_softc;
2593 rvap = (struct rt2870_softc_vap *) vap;
2594
2595 /* only associated stations */
2596
2597 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2598 {
2599 wcid = RT2870_AID2WCID(ni->ni_associd);
2600
2601 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2602 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2603 device_get_nameunit(sc->dev),
2604 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2605
2606 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2607
2608 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2609 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2610 device_get_nameunit(sc->dev),
2611 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2612 ni->ni_associd, ni->ni_txrate,
2613 (ni->ni_flags & IEEE80211_NODE_HT) ?
2614 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2615 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2616 }
2617 }
2618
2619 /*
2620 * rt2870_periodic
2621 */
2622 static void rt2870_periodic(void *arg)
2623 {
2624 struct rt2870_softc *sc;
2625 struct ifnet *ifp;
2626
2627 sc = arg;
2628 ifp = sc->ifp;
2629
2630 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2631 "%s: periodic\n",
2632 device_get_nameunit(sc->dev));
2633
2634 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2635 return;
2636
2637 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2638 }
2639
2640 /*
2641 * rt2870_tx_watchdog
2642 */
2643 static void rt2870_tx_watchdog(void *arg)
2644 {
2645 struct rt2870_softc *sc;
2646 struct ifnet *ifp;
2647
2648 sc = arg;
2649 ifp = sc->ifp;
2650
2651 if (sc->tx_timer == 0)
2652 return;
2653
2654 if (--sc->tx_timer == 0)
2655 {
2656 printf("%s: Tx watchdog timeout: resetting\n",
2657 device_get_nameunit(sc->dev));
2658
2659 rt2870_stop_locked(sc);
2660 rt2870_init_locked(sc);
2661
2662 ifp->if_oerrors++;
2663
2664 sc->tx_watchdog_timeouts++;
2665 }
2666
2667 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2668 }
2669
2670 /*
2671 * rt2870_do_async
2672 */
2673 static int rt2870_do_async(struct rt2870_softc *sc,
2674 void (*cb)(struct rt2870_softc *sc, void *arg),
2675 void *arg, int len)
2676 {
2677 struct ifnet *ifp;
2678 struct rt2870_softc_cmd_ring *ring;
2679 struct rt2870_softc_cmd *cmd;
2680 int run_cmd_task;
2681
2682 ifp = sc->ifp;
2683 ring = &sc->cmd_ring;
2684
2685 RT2870_SOFTC_LOCK(sc);
2686
2687 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2688 {
2689 RT2870_SOFTC_UNLOCK(sc);
2690 return -1;
2691 }
2692
2693 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2694 {
2695 RT2870_SOFTC_UNLOCK(sc);
2696 return -1;
2697 }
2698
2699 cmd = STAILQ_FIRST(&ring->inactive);
2700 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2701
2702 cmd->cb = cb;
2703
2704 if(arg != NULL)
2705 memcpy(cmd->data, arg, len);
2706
2707 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2708 ring->queued++;
2709
2710 run_cmd_task = (ring->queued == 1);
2711
2712 RT2870_SOFTC_UNLOCK(sc);
2713
2714 if (run_cmd_task)
2715 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2716
2717 return 0;
2718 }
2719
2720 /*
2721 * rt2870_updateslot_cb
2722 */
2723 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2724 {
2725 RT2870_SOFTC_LOCK(sc);
2726
2727 rt2870_asic_updateslot(sc);
2728
2729 RT2870_SOFTC_UNLOCK(sc);
2730 }
2731
2732 /*
2733 * rt2870_wme_update_cb
2734 */
2735 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2736 {
2737 RT2870_SOFTC_LOCK(sc);
2738
2739 rt2870_asic_wme_update(sc);
2740
2741 RT2870_SOFTC_UNLOCK(sc);
2742 }
2743
2744 /*
2745 * rt2870_vap_key_set_cb
2746 */
2747 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
2748 {
2749 struct ieee80211com *ic;
2750 struct ifnet *ifp;
2751 struct ieee80211vap *vap;
2752 struct ieee80211_key *k;
2753 struct rt2870_cmd_argv_keyset *cmd_argv;
2754 uint16_t associd, key_base, keymode_base;
2755 uint8_t mode, vapid, wcid, iv[8];
2756 uint32_t tmp;
2757
2758 ifp = sc->ifp;
2759 ic = ifp->if_l2com;
2760 vap = TAILQ_FIRST(&ic->ic_vaps);
2761 cmd_argv = arg;
2762 k = &cmd_argv->key;
2763 associd = cmd_argv->associd;
2764
2765 switch (k->wk_cipher->ic_cipher)
2766 {
2767 case IEEE80211_CIPHER_WEP:
2768 if(k->wk_keylen < 8)
2769 mode = RT2870_REG_CIPHER_MODE_WEP40;
2770 else
2771 mode = RT2870_REG_CIPHER_MODE_WEP104;
2772 break;
2773
2774 case IEEE80211_CIPHER_TKIP:
2775 mode = RT2870_REG_CIPHER_MODE_TKIP;
2776 break;
2777
2778 case IEEE80211_CIPHER_AES_CCM:
2779 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2780 break;
2781
2782 default:
2783 return;
2784 }
2785
2786 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2787 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2788 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2789 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2790
2791 RT2870_SOFTC_LOCK(sc);
2792
2793 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2794 {
2795 /* install pairwise key */
2796
2797 vapid = 0;
2798 wcid = RT2870_AID2WCID(associd);
2799 key_base = RT2870_REG_PKEY(wcid);
2800
2801 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2802 {
2803 memset(iv, 0, 8);
2804
2805 iv[3] = (k->wk_keyix << 6);
2806 }
2807 else
2808 {
2809 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2810 {
2811 iv[0] = (k->wk_keytsc >> 8);
2812 iv[1] = ((iv[0] | 0x20) & 0x7f);
2813 iv[2] = k->wk_keytsc;
2814 }
2815 else
2816 {
2817 /* AES CCMP */
2818
2819 iv[0] = k->wk_keytsc;
2820 iv[1] = k->wk_keytsc >> 8;
2821 iv[2] = 0;
2822 }
2823
2824 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2825 iv[4] = (k->wk_keytsc >> 16);
2826 iv[5] = (k->wk_keytsc >> 24);
2827 iv[6] = (k->wk_keytsc >> 32);
2828 iv[7] = (k->wk_keytsc >> 40);
2829
2830 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2831 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2832 device_get_nameunit(sc->dev),
2833 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2834 }
2835
2836 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2837
2838 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2839 {
2840 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2841
2842 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2843 {
2844 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2845 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2846 }
2847 else
2848 {
2849 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2850 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2851 }
2852 }
2853 else
2854 {
2855 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2856 }
2857
2858 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2859 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2860
2861 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2862 }
2863
2864 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2865 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2866 {
2867 /* install group key */
2868
2869 vapid = 0;
2870 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2871 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2872
2873 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2874 {
2875 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2876
2877 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2878 {
2879 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2880 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2881 }
2882 else
2883 {
2884 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2885 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2886 }
2887 }
2888 else
2889 {
2890 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2891 }
2892
2893 tmp = rt2870_io_mac_read(sc, keymode_base);
2894
2895 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2896 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2897
2898 rt2870_io_mac_write(sc, keymode_base, tmp);
2899 }
2900
2901 RT2870_SOFTC_UNLOCK(sc);
2902 }
2903
2904 /*
2905 * rt2870_vap_key_delete_cb
2906 */
2907 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2908 {
2909 struct ieee80211_key *k;
2910 struct rt2870_cmd_argv_keydelete *cmd_argv;
2911 uint16_t associd;
2912 uint8_t vapid, wcid;
2913 uint32_t tmp;
2914
2915 cmd_argv = arg;
2916 k = &cmd_argv->key;
2917 associd = cmd_argv->associd;
2918
2919 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2920 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2921 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2922 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2923
2924 RT2870_SOFTC_LOCK(sc);
2925
2926 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2927 {
2928 /* remove pairwise key */
2929
2930 vapid = 0;
2931 wcid = RT2870_AID2WCID(associd);
2932
2933 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2934 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2935
2936 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2937 }
2938 else
2939 {
2940 /* remove group key */
2941
2942 vapid = 0;
2943
2944 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2945
2946 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2947 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2948
2949 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2950 }
2951
2952 RT2870_SOFTC_UNLOCK(sc);
2953 }
2954
2955 /*
2956 * rt2870_vap_update_beacon_cb
2957 */
2958 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2959 {
2960 struct ifnet *ifp;
2961 struct ieee80211com *ic;
2962 struct ieee80211vap *vap;
2963
2964 ifp = sc->ifp;
2965 ic = ifp->if_l2com;
2966 vap = TAILQ_FIRST(&ic->ic_vaps);
2967
2968 if (vap == NULL)
2969 return;
2970
2971 RT2870_SOFTC_LOCK(sc);
2972
2973 rt2870_asic_update_beacon(sc, vap);
2974
2975 RT2870_SOFTC_UNLOCK(sc);
2976 }
2977
2978 /*
2979 * rt2870_asic_set_bssid
2980 */
2981 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2982 const uint8_t *bssid)
2983 {
2984 uint32_t tmp;
2985
2986 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2987 "%s: set bssid: bssid=%s\n",
2988 device_get_nameunit(sc->dev),
2989 ether_sprintf(bssid));
2990
2991 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2992
2993 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2994
2995 tmp = bssid[4] | (bssid[5] << 8);
2996
2997 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2998 }
2999
3000 /*
3001 * rt2870_asic_set_macaddr
3002 */
3003 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3004 const uint8_t *addr)
3005 {
3006 uint32_t tmp;
3007
3008 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3009
3010 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3011
3012 tmp = addr[4] | (addr[5] << 8);
3013
3014 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3015 }
3016
3017 /*
3018 * rt2870_asic_enable_tsf_sync
3019 */
3020 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3021 {
3022 struct ifnet *ifp;
3023 struct ieee80211com *ic;
3024 struct ieee80211vap *vap;
3025 uint32_t tmp;
3026
3027 ifp = sc->ifp;
3028 ic = ifp->if_l2com;
3029 vap = TAILQ_FIRST(&ic->ic_vaps);
3030
3031 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3032 "%s: enabling TSF\n",
3033 device_get_nameunit(sc->dev));
3034
3035 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3036
3037 tmp &= ~0x1fffff;
3038 tmp |= vap->iv_bss->ni_intval * 16;
3039 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3040
3041 if (vap->iv_opmode == IEEE80211_M_STA)
3042 {
3043 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3044 }
3045 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3046 {
3047 tmp |= RT2870_REG_BCN_TX_ENABLE;
3048 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3049 }
3050 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3051 {
3052 tmp |= RT2870_REG_BCN_TX_ENABLE;
3053 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3054 }
3055
3056 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3057 }
3058
3059 /*
3060 * rt2870_asic_disable_tsf_sync
3061 */
3062 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3063 {
3064 uint32_t tmp;
3065
3066 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3067 "%s: disabling TSF\n",
3068 device_get_nameunit(sc->dev));
3069
3070 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3071
3072 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3073 RT2870_REG_TSF_TIMER_ENABLE |
3074 RT2870_REG_TBTT_TIMER_ENABLE);
3075
3076 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3077 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3078
3079 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3080 }
3081
3082 /*
3083 * rt2870_asic_enable_mrr
3084 */
3085 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3086 {
3087 #define CCK(mcs) (mcs)
3088 #define OFDM(mcs) ((1 << 3) | (mcs))
3089 #define HT(mcs) (mcs)
3090
3091 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3092 (OFDM(6) << 28) | /* 54 -> 48 */
3093 (OFDM(5) << 24) | /* 48 -> 36 */
3094 (OFDM(4) << 20) | /* 36 -> 24 */
3095 (OFDM(3) << 16) | /* 24 -> 18 */
3096 (OFDM(2) << 12) | /* 18 -> 12 */
3097 (OFDM(1) << 8) | /* 12 -> 9 */
3098 (OFDM(0) << 4) | /* 9 -> 6 */
3099 OFDM(0)); /* 6 -> 6 */
3100
3101 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3102 (CCK(2) << 12) | /* 11 -> 5.5 */
3103 (CCK(1) << 8) | /* 5.5 -> 2 */
3104 (CCK(0) << 4) | /* 2 -> 1 */
3105 CCK(0)); /* 1 -> 1 */
3106
3107 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3108 (HT(6) << 28) |
3109 (HT(5) << 24) |
3110 (HT(4) << 20) |
3111 (HT(3) << 16) |
3112 (HT(2) << 12) |
3113 (HT(1) << 8) |
3114 (HT(0) << 4) |
3115 HT(0));
3116
3117 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3118 (HT(14) << 28) |
3119 (HT(13) << 24) |
3120 (HT(12) << 20) |
3121 (HT(11) << 16) |
3122 (HT(10) << 12) |
3123 (HT(9) << 8) |
3124 (HT(8) << 4) |
3125 HT(7));
3126
3127 #undef HT
3128 #undef OFDM
3129 #undef CCK
3130 }
3131
3132 /*
3133 * rt2870_asic_set_txpreamble
3134 */
3135 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3136 {
3137 struct ifnet *ifp;
3138 struct ieee80211com *ic;
3139 uint32_t tmp;
3140
3141 ifp = sc->ifp;
3142 ic = ifp->if_l2com;
3143
3144 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3145 "%s: %s short Tx preamble\n",
3146 device_get_nameunit(sc->dev),
3147 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3148
3149 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3150
3151 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3152
3153 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3154 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3155
3156 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3157 }
3158
3159 /*
3160 * rt2870_asic_set_basicrates
3161 */
3162 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3163 {
3164 struct ifnet *ifp;
3165 struct ieee80211com *ic;
3166
3167 ifp = sc->ifp;
3168 ic = ifp->if_l2com;
3169
3170 if (ic->ic_curmode == IEEE80211_MODE_11B)
3171 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3172 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3173 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3174 else
3175 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3176 }
3177
3178 /*
3179 * rt2870_asic_update_rtsthreshold
3180 */
3181 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3182 {
3183 struct ifnet *ifp;
3184 struct ieee80211com *ic;
3185 struct ieee80211vap *vap;
3186 uint32_t tmp;
3187 uint16_t threshold;
3188
3189 ifp = sc->ifp;
3190 ic = ifp->if_l2com;
3191 vap = TAILQ_FIRST(&ic->ic_vaps);
3192
3193 if (vap == NULL)
3194 threshold = IEEE80211_RTS_MAX;
3195 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3196 threshold = 0x1000;
3197 else
3198 threshold = vap->iv_rtsthreshold;
3199
3200 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3201 "%s: updating RTS threshold: %d\n",
3202 device_get_nameunit(sc->dev), threshold);
3203
3204 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3205
3206 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3207
3208 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3209 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3210
3211 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3212 }
3213
3214 /*
3215 * rt2870_asic_update_txpower
3216 */
3217 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3218 {
3219 struct ifnet *ifp;
3220 struct ieee80211com *ic;
3221 uint32_t *txpow_rate;
3222 int8_t delta;
3223 uint8_t val;
3224 uint32_t tmp;
3225 int i;
3226
3227 ifp = sc->ifp;
3228 ic = ifp->if_l2com;
3229
3230 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3231 "%s: updating Tx power: %d\n",
3232 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3233
3234 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3235 {
3236 txpow_rate = sc->txpow_rate_20mhz;
3237 }
3238 else
3239 {
3240 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3241 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3242 else
3243 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3244 }
3245
3246 delta = 0;
3247
3248 val = rt2870_io_bbp_read(sc, 1);
3249 val &= 0xfc;
3250
3251 if (ic->ic_txpowlimit > 90)
3252 {
3253 /* do nothing */
3254 }
3255 else if (ic->ic_txpowlimit > 60)
3256 {
3257 delta -= 1;
3258 }
3259 else if (ic->ic_txpowlimit > 30)
3260 {
3261 delta -= 3;
3262 }
3263 else if (ic->ic_txpowlimit > 15)
3264 {
3265 val |= 0x1;
3266 }
3267 else if (ic->ic_txpowlimit > 9)
3268 {
3269 val |= 0x1;
3270 delta -= 3;
3271 }
3272 else
3273 {
3274 val |= 0x2;
3275 }
3276
3277 rt2870_io_bbp_write(sc, 1, val);
3278
3279 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3280 {
3281 if (txpow_rate[i] == 0xffffffff)
3282 continue;
3283
3284 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3285
3286 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3287 }
3288 }
3289
3290 /*
3291 * rt2870_asic_update_promisc
3292 */
3293 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3294 {
3295 struct ifnet *ifp;
3296 uint32_t tmp;
3297
3298 ifp = sc->ifp;
3299
3300 printf("%s: %s promiscuous mode\n",
3301 device_get_nameunit(sc->dev),
3302 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3303
3304 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3305
3306 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3307
3308 if (!(ifp->if_flags & IFF_PROMISC))
3309 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3310
3311 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3312 }
3313
3314 /*
3315 * rt2870_asic_updateprot
3316 */
3317 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3318 {
3319 struct ifnet *ifp;
3320 struct ieee80211com *ic;
3321 struct ieee80211vap *vap;
3322 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3323 uint8_t htopmode;
3324 enum ieee80211_protmode htprotmode;
3325
3326 ifp = sc->ifp;
3327 ic = ifp->if_l2com;
3328 vap = TAILQ_FIRST(&ic->ic_vaps);
3329
3330 /* CCK frame protection */
3331
3332 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3333 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3334
3335 /* set up protection frame phy mode and rate (MCS code) */
3336
3337 if (ic->ic_curmode == IEEE80211_MODE_11A)
3338 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3339 (0 << RT2870_REG_PROT_MCS_SHIFT);
3340 else
3341 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3342 (3 << RT2870_REG_PROT_MCS_SHIFT));
3343
3344 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3345
3346 /* OFDM frame protection */
3347
3348 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3349 RT2870_REG_TXOP_ALLOW_ALL;
3350
3351 if (ic->ic_flags & IEEE80211_F_USEPROT)
3352 {
3353 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3354 "%s: updating protection mode: b/g protection mode=%s\n",
3355 device_get_nameunit(sc->dev),
3356 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3357 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3358
3359 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3360 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3361 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3362 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3363 else
3364 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3365 }
3366 else
3367 {
3368 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3369 "%s: updating protection mode: b/g protection mode=%s\n",
3370 device_get_nameunit(sc->dev), "none");
3371
3372 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3373 }
3374
3375 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3376
3377 /* HT frame protection */
3378
3379 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3380 htopmode = vap->iv_bss->ni_htopmode;
3381 else
3382 htopmode = ic->ic_curhtprotmode;
3383
3384 htprotmode = ic->ic_htprotmode;
3385
3386 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3387
3388 if (sc->tx_ampdu_sessions > 0)
3389 {
3390 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3391 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3392 device_get_nameunit(sc->dev));
3393
3394 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3395 htprotmode = IEEE80211_PROT_RTSCTS;
3396 }
3397
3398 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3399 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3400 device_get_nameunit(sc->dev),
3401 htopmode & IEEE80211_HTINFO_OPMODE,
3402 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3403 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3404
3405 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3406 {
3407 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3408 case IEEE80211_HTINFO_OPMODE_HT20PR:
3409 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3410 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3411 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3412 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3413 (4 << RT2870_REG_PROT_MCS_SHIFT);
3414
3415 gf20_prot = mm20_prot;
3416
3417 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3418 RT2870_REG_TXOP_ALLOW_ALL |
3419 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3420 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3421
3422 if (htprotmode == IEEE80211_PROT_RTSCTS)
3423 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3424 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3425 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3426 else
3427 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3428
3429 gf40_prot = mm40_prot;
3430 break;
3431
3432 /* IEEE80211_HTINFO_OPMODE_MIXED */
3433 case IEEE80211_HTINFO_OPMODE_MIXED:
3434 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3435 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3436 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3437
3438 if (ic->ic_flags & IEEE80211_F_USEPROT)
3439 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3440 (3 << RT2870_REG_PROT_MCS_SHIFT);
3441 else
3442 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3443 (4 << RT2870_REG_PROT_MCS_SHIFT);
3444
3445 if (htprotmode == IEEE80211_PROT_RTSCTS)
3446 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3447 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3448 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3449 else
3450 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3451
3452 gf20_prot = mm20_prot;
3453
3454 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3455
3456 if (ic->ic_flags & IEEE80211_F_USEPROT)
3457 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3458 (3 << RT2870_REG_PROT_MCS_SHIFT);
3459 else
3460 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3461 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3462
3463 if (htprotmode == IEEE80211_PROT_RTSCTS)
3464 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3465 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3466 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3467 else
3468 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3469
3470 gf40_prot = mm40_prot;
3471 break;
3472
3473 /*
3474 * IEEE80211_HTINFO_OPMODE_PURE
3475 * IEEE80211_HTINFO_OPMODE_PROTOPT
3476 */
3477 case IEEE80211_HTINFO_OPMODE_PURE:
3478 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3479 default:
3480 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3481 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3482 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3483 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3484 (4 << RT2870_REG_PROT_MCS_SHIFT);
3485
3486 gf20_prot = mm20_prot;
3487
3488 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3489 RT2870_REG_TXOP_ALLOW_ALL |
3490 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3491 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3492
3493 gf40_prot = mm40_prot;
3494 break;
3495 }
3496
3497 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3498 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3499 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3500 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3501 }
3502
3503 /*
3504 * rt2870_asic_updateslot
3505 */
3506 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3507 {
3508 struct ifnet *ifp;
3509 struct ieee80211com *ic;
3510 struct ieee80211vap *vap;
3511 uint32_t tmp;
3512
3513 ifp = sc->ifp;
3514 ic = ifp->if_l2com;
3515 vap = TAILQ_FIRST(&ic->ic_vaps);
3516
3517 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3518 "%s: %s short slot time\n",
3519 device_get_nameunit(sc->dev),
3520 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3521 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3522
3523 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3524
3525 tmp &= ~0xff;
3526
3527 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3528 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3529 tmp |= IEEE80211_DUR_SHSLOT;
3530 else
3531 tmp |= IEEE80211_DUR_SLOT;
3532
3533 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3534 }
3535
3536 /*
3537 * rt2870_asic_wme_update
3538 */
3539 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3540 {
3541 struct ifnet *ifp;
3542 struct ieee80211com *ic;
3543 struct ieee80211_wme_state *wme;
3544 const struct wmeParams *wmep;
3545 int i;
3546
3547 ifp = sc->ifp;
3548 ic = ifp->if_l2com;
3549 wme = &ic->ic_wme;
3550 wmep = wme->wme_chanParams.cap_wmeParams;
3551
3552 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3553 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3554 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3555 device_get_nameunit(sc->dev),
3556 wmep[WME_AC_VO].wmep_aifsn,
3557 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3558 wmep[WME_AC_VO].wmep_txopLimit,
3559 wmep[WME_AC_VI].wmep_aifsn,
3560 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3561 wmep[WME_AC_VI].wmep_txopLimit,
3562 wmep[WME_AC_BK].wmep_aifsn,
3563 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3564 wmep[WME_AC_BK].wmep_txopLimit,
3565 wmep[WME_AC_BE].wmep_aifsn,
3566 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3567 wmep[WME_AC_BE].wmep_txopLimit);
3568
3569 for (i = 0; i < WME_NUM_AC; i++)
3570 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3571 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3572 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3573
3574 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3575 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3576 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3577
3578 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3579 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3580 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3581
3582 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3583 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3584 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3585
3586 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3587 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3588
3589 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3590 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3591 }
3592
3593 /*
3594 * rt2870_asic_update_beacon
3595 */
3596 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
3597 struct ieee80211vap *vap)
3598 {
3599 struct rt2870_softc_vap *rvap;
3600 struct mbuf *m;
3601 struct rt2870_txwi *txwi;
3602 uint32_t tmp;
3603
3604 rvap = (struct rt2870_softc_vap *) vap;
3605
3606 m = rvap->beacon_mbuf;
3607 txwi = &rvap->beacon_txwi;
3608
3609 /* disable temporarily TSF sync */
3610
3611 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3612
3613 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3614 RT2870_REG_TSF_TIMER_ENABLE |
3615 RT2870_REG_TBTT_TIMER_ENABLE);
3616
3617 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3618
3619 /* write Tx wireless info and beacon frame to on-chip memory */
3620
3621 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3622 txwi, sizeof(struct rt2870_txwi));
3623
3624 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3625 mtod(m, uint8_t *), m->m_pkthdr.len);
3626
3627 /* enable again TSF sync */
3628
3629 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3630
3631 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3632 RT2870_REG_TSF_TIMER_ENABLE |
3633 RT2870_REG_TBTT_TIMER_ENABLE);
3634
3635 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3636 }
3637
3638 /*
3639 * rt2870_asic_clear_keytables
3640 */
3641 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3642 {
3643 int i;
3644
3645 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3646
3647 for (i = 0; i < 256; i++)
3648 {
3649 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3650 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3651 }
3652
3653 /* clear WCID attribute table (entries = 256, entry size = 4) */
3654
3655 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3656
3657 /* clear IV/EIV table (entries = 256, entry size = 8) */
3658
3659 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3660
3661 /* clear pairwise key table (entries = 256, entry size = 32) */
3662
3663 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3664
3665 /* clear shared key table (entries = 32, entry size = 32) */
3666
3667 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3668
3669 /* clear shared key mode (entries = 32, entry size = 2) */
3670
3671 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3672 }
3673
3674 /*
3675 * rt2870_beacon_alloc
3676 */
3677 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
3678 struct ieee80211vap *vap)
3679 {
3680 struct ieee80211com *ic;
3681 struct rt2870_softc_vap *rvap;
3682 const struct ieee80211_txparam *tp;
3683 struct mbuf *m;
3684 struct rt2870_txwi txwi;
3685 uint8_t rate, mcs;
3686
3687 ic = vap->iv_ic;
3688 rvap = (struct rt2870_softc_vap *) vap;
3689 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3690
3691 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3692 if (m == NULL)
3693 return ENOMEM;
3694
3695 rate = tp->mgmtrate;
3696 mcs = rt2870_rate2mcs(rate);
3697
3698 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3699
3700 txwi.wcid = 0xff;
3701 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3702 RT2870_TXWI_MPDU_LEN_SHIFT);
3703 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3704 txwi.mpdu_density_flags |=
3705 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3706 txwi.bawin_size_xflags |=
3707 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3708
3709 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3710 {
3711 txwi.phymode_ifs_stbc_shortgi =
3712 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3713
3714 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3715 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3716 }
3717 else
3718 {
3719 txwi.phymode_ifs_stbc_shortgi =
3720 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3721 }
3722
3723 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3724 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3725
3726 if (rvap->beacon_mbuf != NULL)
3727 {
3728 m_free(rvap->beacon_mbuf);
3729 rvap->beacon_mbuf = NULL;
3730 }
3731
3732 rvap->beacon_mbuf = m;
3733 rvap->beacon_txwi = txwi;
3734
3735 return 0;
3736 }
3737
3738 /*
3739 * rt2870_rxrate
3740 */
3741 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3742 {
3743 uint8_t mcs, phymode;
3744 uint8_t rate;
3745
3746 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3747 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3748 RT2870_RXWI_PHYMODE_MASK;
3749
3750 rate = 2;
3751
3752 switch (phymode)
3753 {
3754 case RT2870_RXWI_PHYMODE_CCK:
3755 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3756 {
3757 case 0: rate = 2; break; /* 1 Mbps */
3758 case 1: rate = 4; break; /* 2 MBps */
3759 case 2: rate = 11; break; /* 5.5 Mbps */
3760 case 3: rate = 22; break; /* 11 Mbps */
3761 }
3762 break;
3763
3764 case RT2870_RXWI_PHYMODE_OFDM:
3765 switch (mcs)
3766 {
3767 case 0: rate = 12; break; /* 6 Mbps */
3768 case 1: rate = 18; break; /* 9 Mbps */
3769 case 2: rate = 24; break; /* 12 Mbps */
3770 case 3: rate = 36; break; /* 18 Mbps */
3771 case 4: rate = 48; break; /* 24 Mbps */
3772 case 5: rate = 72; break; /* 36 Mbps */
3773 case 6: rate = 96; break; /* 48 Mbps */
3774 case 7: rate = 108; break; /* 54 Mbps */
3775 }
3776 break;
3777
3778 case RT2870_RXWI_PHYMODE_HT_MIXED:
3779 case RT2870_RXWI_PHYMODE_HT_GF:
3780 break;
3781 }
3782
3783 return rate;
3784 }
3785
3786 /*
3787 * rt2870_maxrssi_rxpath
3788 */
3789 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3790 const struct rt2870_rxwi *rxwi)
3791 {
3792 uint8_t rxpath;
3793
3794 rxpath = 0;
3795
3796 if (sc->nrxpath > 1)
3797 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3798 rxpath = 1;
3799
3800 if (sc->nrxpath > 2)
3801 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3802 rxpath = 2;
3803
3804 return rxpath;
3805 }
3806
3807 /*
3808 * rt2870_rssi2dbm
3809 */
3810 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3811 uint8_t rssi, uint8_t rxpath)
3812 {
3813 struct ifnet *ifp;
3814 struct ieee80211com *ic;
3815 struct ieee80211_channel *c;
3816 int chan;
3817 int8_t rssi_off, lna_gain;
3818
3819 if (rssi == 0)
3820 return -99;
3821
3822 ifp = sc->ifp;
3823 ic = ifp->if_l2com;
3824 c = ic->ic_curchan;
3825 chan = ieee80211_chan2ieee(ic, c);
3826
3827 if (IEEE80211_IS_CHAN_5GHZ(c))
3828 {
3829 rssi_off = sc->rssi_off_5ghz[rxpath];
3830
3831 if (chan <= 64)
3832 lna_gain = sc->lna_gain[1];
3833 else if (chan <= 128)
3834 lna_gain = sc->lna_gain[2];
3835 else
3836 lna_gain = sc->lna_gain[3];
3837 }
3838 else
3839 {
3840 rssi_off = sc->rssi_off_2ghz[rxpath];
3841 lna_gain = sc->lna_gain[0];
3842 }
3843
3844 return (-12 - rssi_off - lna_gain - rssi);
3845 }
3846
3847 /*
3848 * rt2870_rate2mcs
3849 */
3850 static uint8_t rt2870_rate2mcs(uint8_t rate)
3851 {
3852 switch (rate)
3853 {
3854 /* CCK rates */
3855 case 2: return 0;
3856 case 4: return 1;
3857 case 11: return 2;
3858 case 22: return 3;
3859
3860 /* OFDM rates */
3861 case 12: return 0;
3862 case 18: return 1;
3863 case 24: return 2;
3864 case 36: return 3;
3865 case 48: return 4;
3866 case 72: return 5;
3867 case 96: return 6;
3868 case 108: return 7;
3869 }
3870
3871 return 0;
3872 }
3873
3874 /*
3875 * rt2870_rx_frame
3876 */
3877 static void rt2870_rx_frame(struct rt2870_softc *sc,
3878 uint8_t *buf, uint32_t dmalen)
3879 {
3880 struct ifnet *ifp;
3881 struct ieee80211com *ic;
3882 struct ieee80211_frame *wh;
3883 struct ieee80211_node *ni;
3884 struct rt2870_softc_node *rni;
3885 struct rt2870_softc_rx_radiotap_header *tap;
3886 struct rt2870_rxwi *rxwi;
3887 struct rt2870_rxinfo *rxinfo;
3888 struct mbuf *m;
3889 uint32_t rxinfo_flags;
3890 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
3891 int8_t rssi_dbm;
3892 int len, ampdu, amsdu, rssi_dbm_rel, i;
3893
3894 ifp = sc->ifp;
3895 ic = ifp->if_l2com;
3896
3897 /* get Rx wireless info */
3898
3899 rxwi = (struct rt2870_rxwi *) buf;
3900 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3901 RT2870_RXWI_SIZE_MASK;
3902
3903 if (len > dmalen)
3904 {
3905 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3906 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3907 device_get_nameunit(sc->dev), dmalen, len);
3908 return;
3909 }
3910
3911 /* get Rx info */
3912
3913 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3914 rxinfo_flags = le32toh(rxinfo->flags);
3915
3916 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3917 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3918 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3919
3920 /* check for crc errors */
3921
3922 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3923 {
3924 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3925 "%s: rxinfo: crc error\n",
3926 device_get_nameunit(sc->dev));
3927
3928 ifp->if_ierrors++;
3929
3930 if (!(ifp->if_flags & IFF_PROMISC))
3931 return;
3932 }
3933
3934 wh = (struct ieee80211_frame *) (rxwi + 1);
3935
3936 /* check for L2 padding between IEEE 802.11 frame header and body */
3937
3938 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3939 {
3940 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3941 "%s: L2 padding: DMA len=%d, len=%d\n",
3942 device_get_nameunit(sc->dev), dmalen, len);
3943
3944 len += 2;
3945 }
3946
3947 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3948 if (m == NULL)
3949 {
3950 sc->rx_mbuf_alloc_errors++;
3951 ifp->if_ierrors++;
3952 return;
3953 }
3954
3955 m->m_pkthdr.rcvif = ifp;
3956 m->m_pkthdr.len = m->m_len = len;
3957
3958 m_copyback(m, 0, len, (caddr_t) wh);
3959
3960 wh = mtod(m, struct ieee80211_frame *);
3961
3962 /* check for cipher errors */
3963
3964 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3965 {
3966 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3967 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3968 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3969 {
3970 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3971 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3972
3973 m->m_flags |= M_WEP;
3974 }
3975 else
3976 {
3977 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3978 "%s: rxinfo: cipher error=0x%02x\n",
3979 device_get_nameunit(sc->dev), cipher_err);
3980
3981 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
3982 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
3983 {
3984 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
3985 if (ni != NULL)
3986 {
3987 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
3988 RT2870_RXWI_KEYIDX_MASK;
3989
3990 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
3991
3992 ieee80211_free_node(ni);
3993 }
3994 }
3995
3996 ifp->if_ierrors++;
3997
3998 if (!(ifp->if_flags & IFF_PROMISC))
3999 {
4000 m_free(m);
4001 return;
4002 }
4003 }
4004 }
4005 else
4006 {
4007 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4008 {
4009 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4010 "%s: rxinfo: not decrypted but protected flag set\n",
4011 device_get_nameunit(sc->dev));
4012
4013 ifp->if_ierrors++;
4014
4015 if (!(ifp->if_flags & IFF_PROMISC))
4016 {
4017 m_free(m);
4018 return;
4019 }
4020 }
4021 }
4022
4023 /* check for A-MPDU */
4024
4025 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
4026 {
4027 m->m_flags |= M_AMPDU;
4028
4029 sc->rx_ampdu++;
4030
4031 ampdu = 1;
4032 }
4033 else
4034 {
4035 ampdu = 0;
4036 }
4037
4038 /* check for A-MSDU */
4039
4040 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4041 {
4042 sc->rx_amsdu++;
4043
4044 amsdu = 1;
4045 }
4046 else
4047 {
4048 amsdu = 0;
4049 }
4050
4051 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4052 rssi = rxwi->rssi[ant];
4053 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4054 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4055 RT2870_RXWI_PHYMODE_MASK);
4056 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4057 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4058 RT2870_RXWI_SHORTGI_MASK);
4059 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4060
4061 if (ieee80211_radiotap_active(ic))
4062 {
4063 tap = &sc->rxtap;
4064
4065 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4066 tap->dbm_antsignal = rssi_dbm;
4067 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4068 tap->antenna = ant;
4069 tap->antsignal = rssi;
4070 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4071 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4072 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4073 tap->chan_maxpow = 0;
4074
4075 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4076 tap->rate = rt2870_rxrate(rxwi);
4077 else
4078 tap->rate = mcs | IEEE80211_RATE_MCS;
4079
4080 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4081 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4082
4083 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4084 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4085
4086 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4087 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4088
4089 if (shortgi)
4090 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4091 }
4092
4093 /*
4094 * net80211 assumes that RSSI data are in the range [-127..127] and
4095 * in .5 dBm units relative to the current noise floor
4096 */
4097
4098 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4099 if (rssi_dbm_rel > 127)
4100 rssi_dbm_rel = 127;
4101
4102 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4103 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4104 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
4105 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
4106 device_get_nameunit(sc->dev),
4107 len, phymode, bw, shortgi, mcs,
4108 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4109 rxwi->snr[0], rxwi->snr[1],
4110 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
4111
4112 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4113 if (ni != NULL)
4114 {
4115 rni = (struct rt2870_softc_node *) ni;
4116
4117 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4118 {
4119 rni->last_rssi[i] = rxwi->rssi[i];
4120 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4121 }
4122
4123 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4124 ieee80211_free_node(ni);
4125 }
4126 else
4127 {
4128 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4129 }
4130 }
4131
4132 /*
4133 * rt2870_tx_mgmt
4134 */
4135 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4136 struct mbuf *m, struct ieee80211_node *ni, int qid)
4137 {
4138 struct ifnet *ifp;
4139 struct ieee80211com *ic;
4140 struct ieee80211vap *vap;
4141 const struct ieee80211_txparam *tp;
4142 struct rt2870_softc_node *rni;
4143 struct rt2870_softc_tx_ring *ring;
4144 struct rt2870_softc_tx_data *data;
4145 struct rt2870_txinfo *txinfo;
4146 struct rt2870_txwi *txwi;
4147 struct ieee80211_frame *wh;
4148 struct rt2870_softc_tx_radiotap_header *tap;
4149 u_int hdrsize, hdrspace;
4150 uint8_t rate, stbc, shortgi, mcs, pid;
4151 uint16_t len, dmalen, mpdu_len, dur;
4152 int mimops;
4153
4154 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4155 ("%s: Tx MGMT: invalid qid=%d\n",
4156 device_get_nameunit(sc->dev), qid));
4157
4158 ifp = sc->ifp;
4159 ic = ifp->if_l2com;
4160 vap = ni->ni_vap;
4161 rni = (struct rt2870_softc_node *) ni;
4162 tp = ni->ni_txparms;
4163
4164 ring = &sc->tx_ring[qid];
4165 data = STAILQ_FIRST(&ring->inactive);
4166 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4167 txinfo = (struct rt2870_txinfo *) data->buf;
4168 txwi = (struct rt2870_txwi *) (txinfo + 1);
4169
4170 wh = mtod(m, struct ieee80211_frame *);
4171
4172 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4173
4174 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4175
4176 /* align end on a 4-bytes boundary */
4177
4178 dmalen = (len + 3) & ~3;
4179
4180 /* fill Tx info */
4181
4182 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4183
4184 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4185
4186 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4187
4188 dmalen += 4;
4189
4190 memset((caddr_t) txinfo + len, 0, dmalen - len);
4191
4192 /* fill Tx wireless info */
4193
4194 if (ni->ni_flags & IEEE80211_NODE_HT)
4195 mcs = rate;
4196 else
4197 mcs = rt2870_rate2mcs(rate);
4198
4199 /* calculate MPDU length without padding */
4200
4201 hdrsize = ieee80211_hdrsize(wh);
4202 hdrspace = ieee80211_hdrspace(ic, wh);
4203 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4204
4205 memset(txwi, 0, sizeof(struct rt2870_txwi));
4206
4207 /* management frames do not need encryption */
4208
4209 txwi->wcid = 0xff;
4210
4211 /* MIMO power save */
4212
4213 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4214 {
4215 if (mcs > 7)
4216 {
4217 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4218 {
4219 /* dynamic MIMO power save */
4220
4221 txwi->mpdu_density_flags |=
4222 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4223 }
4224 else
4225 {
4226 /* static MIMO power save */
4227
4228 mcs = 7;
4229 }
4230 }
4231
4232 mimops = 1;
4233 }
4234 else
4235 {
4236 mimops = 0;
4237 }
4238
4239 pid = mcs;
4240
4241 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4242 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4243 RT2870_TXWI_MPDU_LEN_SHIFT);
4244
4245 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4246 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4247
4248 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4249 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4250
4251 txwi->phymode_ifs_stbc_shortgi |=
4252 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4253 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4254
4255 txwi->phymode_ifs_stbc_shortgi |=
4256 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4257
4258 if (ni->ni_flags & IEEE80211_NODE_HT)
4259 {
4260 txwi->phymode_ifs_stbc_shortgi |=
4261 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4262 }
4263 else
4264 {
4265 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4266 {
4267 txwi->phymode_ifs_stbc_shortgi |=
4268 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4269
4270 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4271 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4272 }
4273 else
4274 {
4275 txwi->phymode_ifs_stbc_shortgi |=
4276 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4277 }
4278 }
4279
4280 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4281 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4282
4283 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4284
4285 /* skip ACKs for multicast frames */
4286
4287 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4288 {
4289 txwi->bawin_size_xflags |=
4290 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4291
4292 if (ni->ni_flags & IEEE80211_NODE_HT)
4293 {
4294 /* preamble + plcp + signal extension + SIFS */
4295
4296 dur = 16 + 4 + 6 + 10;
4297 }
4298 else
4299 {
4300 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4301 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4302 }
4303
4304 *(uint16_t *) wh->i_dur = htole16(dur);
4305 }
4306
4307 /* ask MAC to insert timestamp into probe responses */
4308
4309 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4310 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4311 txwi->mpdu_density_flags |=
4312 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4313
4314 if (ieee80211_radiotap_active_vap(vap))
4315 {
4316 tap = &sc->txtap;
4317
4318 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4319 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4320 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4321 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4322 tap->chan_maxpow = 0;
4323
4324 if (ni->ni_flags & IEEE80211_NODE_HT)
4325 tap->rate = mcs | IEEE80211_RATE_MCS;
4326 else
4327 tap->rate = rate;
4328
4329 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4330 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4331
4332 if (shortgi)
4333 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4334
4335 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4336 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4337
4338 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4339 {
4340 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4341
4342 ieee80211_radiotap_tx(vap, m);
4343
4344 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4345 }
4346 else
4347 {
4348 ieee80211_radiotap_tx(vap, m);
4349 }
4350 }
4351
4352 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4353
4354 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4355 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4356 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4357 device_get_nameunit(sc->dev),
4358 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4359
4360 data->len = dmalen;
4361 data->m = m;
4362 data->ni = ni;
4363
4364 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4365 ring->queued++;
4366
4367 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4368
4369 return 0;
4370 }
4371
4372 /*
4373 * rt2870_tx_data
4374 */
4375 static int rt2870_tx_data(struct rt2870_softc *sc,
4376 struct mbuf *m, struct ieee80211_node *ni, int qid)
4377 {
4378 struct ifnet *ifp;
4379 struct ieee80211com *ic;
4380 struct ieee80211vap *vap;
4381 const struct ieee80211_txparam *tp;
4382 struct rt2870_softc_node *rni;
4383 struct rt2870_softc_tx_ring *ring;
4384 struct rt2870_softc_tx_data *data;
4385 struct rt2870_txinfo *txinfo;
4386 struct rt2870_txwi *txwi;
4387 struct ieee80211_frame *wh;
4388 struct ieee80211_tx_ampdu *tx_ampdu;
4389 ieee80211_seq seqno;
4390 struct rt2870_softc_tx_radiotap_header *tap;
4391 u_int hdrsize, hdrspace;
4392 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4393 uint16_t qos, len, dmalen, mpdu_len, dur;
4394 int hasqos, ac, tid, ampdu, mimops;
4395
4396 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4397 ("%s: Tx data: invalid qid=%d\n",
4398 device_get_nameunit(sc->dev), qid));
4399
4400 ifp = sc->ifp;
4401 ic = ifp->if_l2com;
4402 vap = ni->ni_vap;
4403 rni = (struct rt2870_softc_node *) ni;
4404 tp = ni->ni_txparms;
4405
4406 ring = &sc->tx_ring[qid];
4407 data = STAILQ_FIRST(&ring->inactive);
4408 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4409 txinfo = (struct rt2870_txinfo *) data->buf;
4410 txwi = (struct rt2870_txwi *) (txinfo + 1);
4411
4412 wh = mtod(m, struct ieee80211_frame *);
4413
4414 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4415
4416 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4417 if (hasqos)
4418 {
4419 if (IEEE80211_HAS_ADDR4(wh))
4420 qos = le16toh(*(const uint16_t *)
4421 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4422 else
4423 qos = le16toh(*(const uint16_t *)
4424 (((struct ieee80211_qosframe *) wh)->i_qos));
4425 }
4426 else
4427 {
4428 qos = 0;
4429 }
4430
4431 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4432 rate = tp->mcastrate;
4433 else if (m->m_flags & M_EAPOL)
4434 rate = tp->mgmtrate;
4435 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4436 rate = tp->ucastrate;
4437 else
4438 rate = ni->ni_txrate;
4439
4440 rate &= IEEE80211_RATE_VAL;
4441
4442 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4443
4444 /* align end on a 4-bytes boundary */
4445
4446 dmalen = (len + 3) & ~3;
4447
4448 /* fill Tx info */
4449
4450 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4451
4452 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4453
4454 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4455
4456 dmalen += 4;
4457
4458 memset((caddr_t) txinfo + len, 0, dmalen - len);
4459
4460 /* fill Tx wireless info */
4461
4462 if (ni->ni_flags & IEEE80211_NODE_HT)
4463 mcs = rate;
4464 else
4465 mcs = rt2870_rate2mcs(rate);
4466
4467 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4468 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4469
4470 /* calculate MPDU length without padding */
4471
4472 hdrsize = ieee80211_hdrsize(wh);
4473 hdrspace = ieee80211_hdrspace(ic, wh);
4474 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4475
4476 memset(txwi, 0, sizeof(struct rt2870_txwi));
4477
4478 txwi->wcid = wcid;
4479
4480 /* MIMO power save */
4481
4482 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4483 {
4484 if (mcs > 7)
4485 {
4486 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4487 {
4488 /* dynamic MIMO power save */
4489
4490 txwi->mpdu_density_flags |=
4491 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4492 }
4493 else
4494 {
4495 /* static MIMO power save */
4496
4497 mcs = 7;
4498 }
4499 }
4500
4501 mimops = 1;
4502 }
4503 else
4504 {
4505 mimops = 0;
4506 }
4507
4508 pid = mcs;
4509
4510 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4511 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4512 RT2870_TXWI_MPDU_LEN_SHIFT);
4513
4514 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4515 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4516
4517 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4518 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4519
4520 txwi->phymode_ifs_stbc_shortgi |=
4521 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4522 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4523
4524 if (ni->ni_flags & IEEE80211_NODE_HT)
4525 {
4526 txwi->phymode_ifs_stbc_shortgi |=
4527 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4528 }
4529 else
4530 {
4531 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4532 {
4533 txwi->phymode_ifs_stbc_shortgi |=
4534 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4535
4536 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4537 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4538 }
4539 else
4540 {
4541 txwi->phymode_ifs_stbc_shortgi |=
4542 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4543 }
4544 }
4545
4546 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4547 bw = RT2870_TXWI_BW_40;
4548 else
4549 bw = RT2870_TXWI_BW_20;
4550
4551 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4552 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4553
4554 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4555
4556 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4557 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4558 {
4559 txwi->bawin_size_xflags |=
4560 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4561
4562 if (ni->ni_flags & IEEE80211_NODE_HT)
4563 {
4564 /* preamble + plcp + signal extension + SIFS */
4565
4566 dur = 16 + 4 + 6 + 10;
4567 }
4568 else
4569 {
4570 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4571 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4572 }
4573
4574 *(uint16_t *) wh->i_dur = htole16(dur);
4575 }
4576
4577 /* check fo A-MPDU */
4578
4579 if (m->m_flags & M_AMPDU_MPDU)
4580 {
4581 ac = M_WME_GETAC(m);
4582 tid = WME_AC_TO_TID(ac);
4583 tx_ampdu = &ni->ni_tx_ampdu[ac];
4584
4585 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4586 bawin_size = tx_ampdu->txa_wnd;
4587
4588 txwi->mpdu_density_flags |=
4589 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4590 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4591
4592 txwi->bawin_size_xflags |=
4593 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4594
4595 seqno = ni->ni_txseqs[tid]++;
4596
4597 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4598
4599 ampdu = 1;
4600 }
4601 else
4602 {
4603 ampdu = 0;
4604 }
4605
4606 /* ask MAC to insert timestamp into probe responses */
4607
4608 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4609 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4610 txwi->mpdu_density_flags |=
4611 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4612
4613 if (ieee80211_radiotap_active_vap(vap))
4614 {
4615 tap = &sc->txtap;
4616
4617 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4618 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4619 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4620 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4621 tap->chan_maxpow = 0;
4622
4623 if (ni->ni_flags & IEEE80211_NODE_HT)
4624 tap->rate = mcs | IEEE80211_RATE_MCS;
4625 else
4626 tap->rate = rate;
4627
4628 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4629 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4630
4631 if (shortgi)
4632 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4633
4634 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4635 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4636
4637 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4638 {
4639 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4640
4641 ieee80211_radiotap_tx(vap, m);
4642
4643 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4644 }
4645 else
4646 {
4647 ieee80211_radiotap_tx(vap, m);
4648 }
4649 }
4650
4651 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4652
4653 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4654 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4655 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d\n",
4656 device_get_nameunit(sc->dev),
4657 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4658 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen);
4659
4660 data->len = dmalen;
4661 data->m = m;
4662 data->ni = ni;
4663
4664 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4665 ring->queued++;
4666
4667 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4668
4669 return 0;
4670 }
4671
4672 /*
4673 * rt2870_tx_raw
4674 */
4675 static int rt2870_tx_raw(struct rt2870_softc *sc,
4676 struct mbuf *m, struct ieee80211_node *ni,
4677 const struct ieee80211_bpf_params *params)
4678 {
4679 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4680 "%s: Tx raw\n",
4681 device_get_nameunit(sc->dev));
4682
4683 return 0;
4684 }
4685
4686 /*
4687 * rt2870_rx_intr
4688 */
4689 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4690 {
4691 struct rt2870_softc *sc;
4692 struct ifnet *ifp;
4693 struct rt2870_softc_rx_ring *ring;
4694 struct rt2870_softc_rx_data *data;
4695 int len;
4696
4697 sc = usbd_xfer_softc(xfer);
4698 ifp = sc->ifp;
4699 ring = &sc->rx_ring;
4700
4701 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4702 "%s: Rx interrupt: state=%d, error=%s\n",
4703 device_get_nameunit(sc->dev),
4704 USB_GET_STATE(xfer), usbd_errstr(error));
4705
4706 switch (USB_GET_STATE(xfer))
4707 {
4708 case USB_ST_TRANSFERRED:
4709 sc->interrupts++;
4710 sc->rx_interrupts++;
4711
4712 data = STAILQ_FIRST(&ring->active);
4713 if (data == NULL)
4714 goto setup;
4715
4716 STAILQ_REMOVE_HEAD(&ring->active, next);
4717
4718 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4719
4720 data->len = len;
4721
4722 STAILQ_INSERT_TAIL(&ring->done, data, next);
4723
4724 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4725
4726 /* FALLTHROUGH */
4727
4728 setup:
4729
4730 case USB_ST_SETUP:
4731 data = STAILQ_FIRST(&ring->inactive);
4732 if (data == NULL)
4733 break;
4734
4735 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4736
4737 STAILQ_INSERT_TAIL(&ring->active, data, next);
4738
4739 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4740 usbd_transfer_submit(xfer);
4741 break;
4742
4743 default:
4744 sc->interrupts++;
4745 sc->rx_interrupts++;
4746
4747 data = STAILQ_FIRST(&ring->active);
4748 if (data != NULL)
4749 {
4750 STAILQ_REMOVE_HEAD(&ring->active, next);
4751 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4752 }
4753
4754 if (error != USB_ERR_CANCELLED)
4755 {
4756 ifp->if_ierrors++;
4757
4758 usbd_xfer_set_stall(xfer);
4759
4760 goto setup;
4761 }
4762 break;
4763 }
4764 }
4765
4766 /*
4767 * rt2870_tx_intr
4768 */
4769 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4770 {
4771 struct rt2870_softc *sc;
4772 struct ifnet *ifp;
4773 struct rt2870_softc_tx_ring *ring;
4774 struct rt2870_softc_tx_data *data;
4775
4776 sc = usbd_xfer_softc(xfer);
4777 ifp = sc->ifp;
4778 ring = usbd_xfer_get_priv(xfer);
4779
4780 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4781
4782 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4783 "%s: Tx interrupt: state=%d, error=%s\n",
4784 device_get_nameunit(sc->dev),
4785 USB_GET_STATE(xfer), usbd_errstr(error));
4786
4787 switch (USB_GET_STATE(xfer))
4788 {
4789 case USB_ST_TRANSFERRED:
4790 sc->interrupts++;
4791 sc->tx_interrupts[ring->qid]++;
4792
4793 data = STAILQ_FIRST(&ring->active);
4794 if (data == NULL)
4795 goto setup;
4796
4797 STAILQ_REMOVE_HEAD(&ring->active, next);
4798
4799 STAILQ_INSERT_TAIL(&ring->done, data, next);
4800
4801 sc->tx_qid_pending_mask |= (1 << ring->qid);
4802
4803 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4804
4805 /* FALLTHROUGH */
4806
4807 setup:
4808
4809 case USB_ST_SETUP:
4810 data = STAILQ_FIRST(&ring->pending);
4811 if (data == NULL)
4812 break;
4813
4814 STAILQ_REMOVE_HEAD(&ring->pending, next);
4815 STAILQ_INSERT_TAIL(&ring->active, data, next);
4816
4817 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4818 usbd_transfer_submit(xfer);
4819
4820 RT2870_SOFTC_UNLOCK(sc);
4821
4822 rt2870_start(ifp);
4823
4824 RT2870_SOFTC_LOCK(sc);
4825 break;
4826
4827 default:
4828 sc->interrupts++;
4829 sc->tx_interrupts[ring->qid]++;
4830
4831 data = STAILQ_FIRST(&ring->active);
4832 if (data != NULL)
4833 {
4834 STAILQ_REMOVE_HEAD(&ring->active, next);
4835
4836 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4837 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4838
4839 if (data->m != NULL)
4840 {
4841 m_freem(data->m);
4842 data->m = NULL;
4843 }
4844
4845 if (data->ni != NULL)
4846 {
4847 ieee80211_free_node(data->ni);
4848 data->ni = NULL;
4849 }
4850
4851 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4852
4853 ring->queued--;
4854 }
4855
4856 if (error != USB_ERR_CANCELLED)
4857 {
4858 ifp->if_oerrors++;
4859 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4860
4861 usbd_xfer_set_stall(xfer);
4862
4863 goto setup;
4864 }
4865 break;
4866 }
4867 }
4868
4869 /*
4870 * rt2870_rx_done_task
4871 */
4872 static void rt2870_rx_done_task(void *context, int pending)
4873 {
4874 struct rt2870_softc *sc;
4875 struct ifnet *ifp;
4876
4877 sc = context;
4878 ifp = sc->ifp;
4879
4880 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4881 "%s: Rx done task\n",
4882 device_get_nameunit(sc->dev));
4883
4884 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4885 return;
4886
4887 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4888 {
4889 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4890 "%s: Rx done task: scheduling again\n",
4891 device_get_nameunit(sc->dev));
4892
4893 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4894 }
4895 }
4896
4897 /*
4898 * rt2870_tx_done_task
4899 */
4900 static void rt2870_tx_done_task(void *context, int pending)
4901 {
4902 struct rt2870_softc *sc;
4903 struct ifnet *ifp;
4904 int i;
4905
4906 sc = context;
4907 ifp = sc->ifp;
4908
4909 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4910 "%s: Tx done task\n",
4911 device_get_nameunit(sc->dev));
4912
4913 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4914 return;
4915
4916 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4917 {
4918 if (sc->tx_qid_pending_mask & (1 << i))
4919 {
4920 sc->tx_qid_pending_mask &= ~(1 << i);
4921
4922 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4923 }
4924 }
4925
4926 if (sc->tx_qid_pending_mask != 0)
4927 {
4928 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4929 "%s: Tx done task: scheduling again\n",
4930 device_get_nameunit(sc->dev));
4931
4932 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4933 }
4934
4935 sc->tx_timer = 0;
4936
4937 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4938 }
4939
4940 /*
4941 * rt2870_periodic_task
4942 */
4943 static void rt2870_periodic_task(void *context, int pending)
4944 {
4945 struct rt2870_softc *sc;
4946 struct ifnet *ifp;
4947 struct ieee80211com *ic;
4948 struct ieee80211vap *vap;
4949
4950 sc = context;
4951 ifp = sc->ifp;
4952 ic = ifp->if_l2com;
4953 vap = TAILQ_FIRST(&ic->ic_vaps);
4954
4955 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4956 "%s: periodic task: round=%lu\n",
4957 device_get_nameunit(sc->dev), sc->periodic_round);
4958
4959 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4960 return;
4961
4962 RT2870_SOFTC_LOCK(sc);
4963
4964 sc->periodic_round++;
4965
4966 rt2870_update_stats(sc);
4967
4968 if ((sc->periodic_round % 10) == 0)
4969 {
4970 rt2870_bbp_tuning(sc);
4971
4972 rt2870_update_raw_counters(sc);
4973
4974 rt2870_watchdog(sc);
4975
4976 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4977 {
4978 if (vap->iv_opmode == IEEE80211_M_STA)
4979 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
4980 else
4981 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
4982 }
4983 }
4984
4985 RT2870_SOFTC_UNLOCK(sc);
4986
4987 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4988 }
4989
4990 /*
4991 * rt2870_cmd_task
4992 */
4993 static void rt2870_cmd_task(void *context, int pending)
4994 {
4995 struct rt2870_softc *sc;
4996 struct rt2870_softc_cmd_ring *ring;
4997 struct rt2870_softc_cmd *cmd;
4998
4999 sc = context;
5000 ring = &sc->cmd_ring;
5001
5002 while (1)
5003 {
5004 RT2870_SOFTC_LOCK(sc);
5005
5006 cmd = STAILQ_FIRST(&ring->active);
5007 if (cmd == NULL)
5008 {
5009 RT2870_SOFTC_UNLOCK(sc);
5010 break;
5011 }
5012
5013 STAILQ_REMOVE_HEAD(&ring->active, next);
5014
5015 RT2870_SOFTC_UNLOCK(sc);
5016
5017 cmd->cb(sc, cmd->data);
5018
5019 RT2870_SOFTC_LOCK(sc);
5020
5021 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5022 ring->queued--;
5023
5024 RT2870_SOFTC_UNLOCK(sc);
5025 }
5026 }
5027
5028 /*
5029 * rt2870_rx_eof
5030 */
5031 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5032 {
5033 struct ifnet *ifp;
5034 struct rt2870_softc_rx_ring *ring;
5035 struct rt2870_softc_rx_data *data;
5036 uint32_t dmalen;
5037 uint8_t *buf;
5038 int nframes, len;
5039
5040 ifp = sc->ifp;
5041 ring = &sc->rx_ring;
5042
5043 nframes = 0;
5044
5045 while (limit != 0)
5046 {
5047 RT2870_SOFTC_LOCK(sc);
5048
5049 data = STAILQ_FIRST(&ring->done);
5050 if (data == NULL)
5051 {
5052 RT2870_SOFTC_UNLOCK(sc);
5053 break;
5054 }
5055
5056 STAILQ_REMOVE_HEAD(&ring->done, next);
5057
5058 RT2870_SOFTC_UNLOCK(sc);
5059
5060 buf = data->buf;
5061 len = data->len;
5062
5063 if (len < RT2870_RX_DESC_SIZE)
5064 {
5065 ifp->if_ierrors++;
5066 goto skip;
5067 }
5068
5069 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5070 {
5071 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5072
5073 if (dmalen == 0 || (dmalen & 3) != 0)
5074 {
5075 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5076 "%s: bad DMA len=%u\n",
5077 device_get_nameunit(sc->dev), dmalen);
5078 goto skip;
5079 }
5080
5081 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5082 {
5083 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5084 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5085 device_get_nameunit(sc->dev),
5086 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5087 goto skip;
5088 }
5089
5090 nframes++;
5091
5092 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5093
5094 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5095 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5096 }
5097
5098 skip:
5099
5100 RT2870_SOFTC_LOCK(sc);
5101
5102 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5103
5104 usbd_transfer_start(sc->usb_xfer[0]);
5105
5106 RT2870_SOFTC_UNLOCK(sc);
5107
5108 limit--;
5109 }
5110
5111 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5112 "%s: Rx eof: nframes=%d\n",
5113 device_get_nameunit(sc->dev), nframes);
5114
5115 sc->rx_packets += nframes;
5116
5117 return (limit == 0);
5118 }
5119
5120 /*
5121 * rt2870_tx_eof
5122 */
5123 static void rt2870_tx_eof(struct rt2870_softc *sc,
5124 struct rt2870_softc_tx_ring *ring)
5125 {
5126 struct ifnet *ifp;
5127 struct rt2870_softc_tx_data *data;
5128 int nframes;
5129
5130 ifp = sc->ifp;
5131
5132 nframes = 0;
5133
5134 while (1)
5135 {
5136 RT2870_SOFTC_LOCK(sc);
5137
5138 data = STAILQ_FIRST(&ring->done);
5139 if (data == NULL)
5140 {
5141 RT2870_SOFTC_UNLOCK(sc);
5142 break;
5143 }
5144
5145 STAILQ_REMOVE_HEAD(&ring->done, next);
5146
5147 rt2870_drain_fifo_stats(sc);
5148
5149 RT2870_SOFTC_UNLOCK(sc);
5150
5151 nframes++;
5152
5153 if (data->m->m_flags & M_TXCB)
5154 ieee80211_process_callback(data->ni, data->m, 0);
5155
5156 m_freem(data->m);
5157
5158 ieee80211_free_node(data->ni);
5159
5160 data->m = NULL;
5161 data->ni = NULL;
5162
5163 RT2870_SOFTC_LOCK(sc);
5164
5165 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5166
5167 ring->queued--;
5168 ifp->if_opackets++;
5169
5170 RT2870_SOFTC_UNLOCK(sc);
5171 }
5172
5173 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5174 "%s: Tx eof: qid=%d, nframes=%d\n",
5175 device_get_nameunit(sc->dev), ring->qid, nframes);
5176 }
5177
5178 /*
5179 * rt2870_update_stats
5180 */
5181 static void rt2870_update_stats(struct rt2870_softc *sc)
5182 {
5183 struct ifnet *ifp;
5184 struct ieee80211com *ic;
5185 struct ieee80211vap *vap;
5186 struct ieee80211_node *ni;
5187 uint32_t stacnt[3];
5188 int beacons, noretryok, retryok, failed, underflows, zerolen;
5189 uint16_t associd;
5190 uint8_t wcid;
5191
5192 ifp = sc->ifp;
5193 ic = ifp->if_l2com;
5194 vap = TAILQ_FIRST(&ic->ic_vaps);
5195
5196 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5197 "%s: update statistic\n",
5198 device_get_nameunit(sc->dev));
5199
5200 rt2870_drain_fifo_stats(sc);
5201
5202 /* read and clear Tx statistic registers */
5203
5204 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5205 stacnt, sizeof(stacnt));
5206
5207 stacnt[0] = le32toh(stacnt[0]);
5208 stacnt[1] = le32toh(stacnt[1]);
5209 stacnt[2] = le32toh(stacnt[2]);
5210
5211 beacons = stacnt[0] >> 16;
5212 noretryok = stacnt[1] & 0xffff;
5213 retryok = stacnt[1] >> 16;
5214 failed = stacnt[0] & 0xffff;
5215 underflows = stacnt[2] >> 16;
5216 zerolen = stacnt[2] & 0xffff;
5217
5218 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5219 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5220 device_get_nameunit(sc->dev),
5221 beacons, noretryok, retryok, failed, underflows, zerolen);
5222
5223 ifp->if_oerrors += failed;
5224
5225 sc->tx_beacons += beacons;
5226 sc->tx_noretryok += noretryok;
5227 sc->tx_retryok += retryok;
5228 sc->tx_failed += failed;
5229 sc->tx_underflows += underflows;
5230 sc->tx_zerolen += zerolen;
5231
5232 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5233 {
5234 ni = vap->iv_bss;
5235
5236 associd = (ni != NULL) ? ni->ni_associd : 0;
5237 wcid = RT2870_AID2WCID(associd);
5238
5239 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
5240 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5241 }
5242 }
5243
5244 /*
5245 * rt2870_bbp_tuning
5246 */
5247 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5248 {
5249 struct ifnet *ifp;
5250 struct ieee80211com *ic;
5251 struct ieee80211vap *vap;
5252 struct ieee80211_node *ni;
5253 int chan, group;
5254 int8_t rssi, old, new;
5255
5256 /* RT2860C does not support BBP tuning */
5257
5258 if (sc->mac_rev == 0x28600100)
5259 return;
5260
5261 ifp = sc->ifp;
5262 ic = ifp->if_l2com;
5263 vap = TAILQ_FIRST(&ic->ic_vaps);
5264
5265 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5266 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5267 return;
5268
5269 ni = vap->iv_bss;
5270
5271 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5272
5273 if (chan <= 14)
5274 group = 0;
5275 else if (chan <= 64)
5276 group = 1;
5277 else if (chan <= 128)
5278 group = 2;
5279 else
5280 group = 3;
5281
5282 rssi = ieee80211_getrssi(vap);
5283
5284 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5285 {
5286 new = 0x2e + sc->lna_gain[group];
5287 }
5288 else
5289 {
5290 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5291 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5292 else
5293 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5294 }
5295
5296 /* Tune if absolute average RSSI is greater than -80 */
5297
5298 if (rssi > 30)
5299 new += 0x10;
5300
5301 old = rt2870_io_bbp_read(sc, 66);
5302
5303 if (old != new)
5304 rt2870_io_bbp_write(sc, 66, new);
5305 }
5306
5307 /*
5308 * rt2870_watchdog
5309 */
5310 static void rt2870_watchdog(struct rt2870_softc *sc)
5311 {
5312 uint32_t tmp;
5313 int ntries;
5314
5315 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5316
5317 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5318 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5319 device_get_nameunit(sc->dev), tmp);
5320
5321 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5322 {
5323 sc->tx_queue_not_empty[0]++;
5324
5325 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5326
5327 for (ntries = 0; ntries < 10; ntries++)
5328 {
5329 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5330 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5331 break;
5332
5333 DELAY(1);
5334 }
5335
5336 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5337 }
5338
5339 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5340 {
5341 sc->tx_queue_not_empty[1]++;
5342
5343 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5344
5345 for (ntries = 0; ntries < 10; ntries++)
5346 {
5347 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5348 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5349 break;
5350
5351 DELAY(1);
5352 }
5353
5354 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5355 }
5356 }
5357
5358 /*
5359 * rt2870_drain_fifo_stats
5360 */
5361 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5362 {
5363 struct ifnet *ifp;
5364 uint32_t stats;
5365 uint8_t wcid, mcs, pid;
5366 int ok, agg, retrycnt;
5367
5368 ifp = sc->ifp;
5369
5370 /* drain Tx status FIFO (maxsize = 16) */
5371
5372 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5373 RT2870_REG_TX_STA_FIFO_VALID)
5374 {
5375 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5376 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5377
5378 /* if no ACK was requested, no feedback is available */
5379
5380 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5381 continue;
5382
5383 /* update AMRR statistic */
5384
5385 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5386 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5387 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5388 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5389 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5390 RT2870_REG_TX_STA_FIFO_PID_MASK;
5391 retrycnt = pid - mcs;
5392
5393 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5394 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5395 device_get_nameunit(sc->dev),
5396 wcid, ok, agg, mcs, pid, retrycnt);
5397
5398 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5399
5400 if (!ok)
5401 ifp->if_oerrors++;
5402 }
5403 }
5404
5405 /*
5406 * rt2870_update_raw_counters
5407 */
5408 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5409 {
5410 uint32_t tmp;
5411
5412 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5413
5414 sc->tx_nonagg += tmp & 0xffff;
5415 sc->tx_agg += tmp >> 16;
5416
5417 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5418
5419 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5420
5421 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5422
5423 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5424
5425 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5426
5427 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5428
5429 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5430
5431 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5432
5433 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5434
5435 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5436
5437 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5438
5439 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5440
5441 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5442
5443 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5444
5445 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5446
5447 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5448
5449 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5450
5451 sc->rx_crc_errors += tmp & 0xffff;
5452 sc->rx_phy_errors += tmp >> 16;
5453
5454 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5455
5456 sc->rx_false_ccas += tmp & 0xffff;
5457 sc->rx_plcp_errors += tmp >> 16;
5458
5459 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5460
5461 sc->rx_dup_packets += tmp & 0xffff;
5462 sc->rx_fifo_overflows += tmp >> 16;
5463
5464 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5465
5466 sc->tx_mpdu_zero_density += tmp & 0xffff;
5467 sc->rx_mpdu_zero_density += tmp >> 16;
5468 }
5469
5470 /*
5471 * rt2870_txrx_enable
5472 */
5473 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5474 {
5475 struct ieee80211com *ic;
5476 struct ifnet *ifp;
5477 uint32_t tmp;
5478 int ntries;
5479
5480 ifp = sc->ifp;
5481 ic = ifp->if_l2com;
5482
5483 /* enable Tx/Rx DMA engine */
5484
5485 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5486
5487 tmp &= 0xffffff00;
5488 tmp |= 0x1e;
5489
5490 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5491
5492 if ((sc->mac_rev & 0xffff) != 0x0101)
5493 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5494
5495 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5496
5497 for (ntries = 0; ntries < 200; ntries++)
5498 {
5499 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5500 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5501 break;
5502
5503 DELAY(1000);
5504 }
5505
5506 if (ntries == 200)
5507 {
5508 printf("%s: timeout waiting for DMA engine\n",
5509 device_get_nameunit(sc->dev));
5510 return -1;
5511 }
5512
5513 DELAY(50);
5514
5515 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5516 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5517 (48 << 16) | 96);
5518
5519 tmp |= RT2870_REG_TX_WB_DDONE |
5520 RT2870_REG_RX_DMA_ENABLE |
5521 RT2870_REG_TX_DMA_ENABLE;
5522
5523 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5524
5525 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5526 RT2870_REG_USB_DMA_RX_ENABLE |
5527 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5528 /* Rx agg limit in unit of 1024 byte */
5529 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5530 /* Rx agg timeout in unit of 33ns */
5531 0x80;
5532
5533 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5534
5535 /* set Rx filter */
5536
5537 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5538 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5539
5540 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5541 {
5542 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5543 RT2870_REG_RX_FILTER_DROP_CTS |
5544 RT2870_REG_RX_FILTER_DROP_BA |
5545 RT2870_REG_RX_FILTER_DROP_ACK |
5546 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5547 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5548 RT2870_REG_RX_FILTER_DROP_CFACK |
5549 RT2870_REG_RX_FILTER_DROP_CFEND;
5550
5551 if (ic->ic_opmode == IEEE80211_M_STA)
5552 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5553 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5554
5555 if (!(ifp->if_flags & IFF_PROMISC))
5556 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5557 }
5558
5559 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5560
5561 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5562 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5563
5564 return 0;
5565 }
5566
5567 /*
5568 * rt2870_alloc_rx_ring
5569 */
5570 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5571 struct rt2870_softc_rx_ring *ring)
5572 {
5573 struct rt2870_softc_rx_data *data;
5574 int i, error;
5575
5576 STAILQ_INIT(&ring->inactive);
5577 STAILQ_INIT(&ring->active);
5578 STAILQ_INIT(&ring->done);
5579
5580 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5581 {
5582 data = &ring->data[i];
5583
5584 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5585 if (data->buf == NULL)
5586 {
5587 printf("%s: could not allocate Rx buffer\n",
5588 device_get_nameunit(sc->dev));
5589 error = ENOMEM;
5590 goto fail;
5591 }
5592
5593 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5594 }
5595
5596 return 0;
5597
5598 fail:
5599
5600 rt2870_free_rx_ring(sc, ring);
5601
5602 return error;
5603 }
5604
5605 /*
5606 * rt2870_reset_rx_ring
5607 */
5608 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5609 struct rt2870_softc_rx_ring *ring)
5610 {
5611 struct rt2870_softc_rx_data *data;
5612 int i;
5613
5614 STAILQ_INIT(&ring->inactive);
5615 STAILQ_INIT(&ring->active);
5616 STAILQ_INIT(&ring->done);
5617
5618 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5619 {
5620 data = &ring->data[i];
5621
5622 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5623 }
5624 }
5625
5626 /*
5627 * rt2870_free_rx_ring
5628 */
5629 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5630 struct rt2870_softc_rx_ring *ring)
5631 {
5632 struct rt2870_softc_rx_data *data;
5633 int i;
5634
5635 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5636 {
5637 data = &ring->data[i];
5638
5639 if (data->buf != NULL)
5640 {
5641 free(data->buf, M_USBDEV);
5642 data->buf = NULL;
5643 }
5644 }
5645 }
5646
5647 /*
5648 * rt2870_alloc_tx_ring
5649 */
5650 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5651 struct rt2870_softc_tx_ring *ring, int qid)
5652 {
5653 struct rt2870_softc_tx_data *data;
5654 int i, error;
5655
5656 STAILQ_INIT(&ring->inactive);
5657 STAILQ_INIT(&ring->pending);
5658 STAILQ_INIT(&ring->active);
5659 STAILQ_INIT(&ring->done);
5660
5661 ring->queued = 0;
5662 ring->qid = qid;
5663
5664 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5665 {
5666 data = &ring->data[i];
5667
5668 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5669 if (data->buf == NULL)
5670 {
5671 printf("%s: could not allocate Tx buffer\n",
5672 device_get_nameunit(sc->dev));
5673 error = ENOMEM;
5674 goto fail;
5675 }
5676
5677 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5678
5679 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5680 }
5681
5682 return 0;
5683
5684 fail:
5685
5686 rt2870_free_tx_ring(sc, ring);
5687
5688 return error;
5689 }
5690
5691 /*
5692 * rt2870_reset_tx_ring
5693 */
5694 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5695 struct rt2870_softc_tx_ring *ring)
5696 {
5697 struct rt2870_softc_tx_data *data;
5698 int i;
5699
5700 STAILQ_INIT(&ring->inactive);
5701 STAILQ_INIT(&ring->pending);
5702 STAILQ_INIT(&ring->active);
5703 STAILQ_INIT(&ring->done);
5704
5705 ring->queued = 0;
5706
5707 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5708 {
5709 data = &ring->data[i];
5710
5711 if (data->m != NULL)
5712 {
5713 m_free(data->m);
5714 data->m = NULL;
5715 }
5716
5717 if (data->ni != NULL)
5718 {
5719 ieee80211_free_node(data->ni);
5720 data->ni = NULL;
5721 }
5722
5723 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5724 }
5725 }
5726
5727 /*
5728 * rt2870_free_tx_ring
5729 */
5730 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5731 struct rt2870_softc_tx_ring *ring)
5732 {
5733 struct rt2870_softc_tx_data *data;
5734 int i;
5735
5736 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5737 {
5738 data = &ring->data[i];
5739
5740 if (data->buf != NULL)
5741 {
5742 free(data->buf, M_USBDEV);
5743 data->buf = NULL;
5744 }
5745
5746 if (data->m != NULL)
5747 {
5748 m_free(data->m);
5749 data->m = NULL;
5750 }
5751
5752 if (data->ni != NULL)
5753 {
5754 ieee80211_free_node(data->ni);
5755 data->ni = NULL;
5756 }
5757 }
5758 }
5759
5760 /*
5761 * rt2870_reset_cmd_ring
5762 */
5763 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5764 struct rt2870_softc_cmd_ring *ring)
5765 {
5766 struct rt2870_softc_cmd *cmd;
5767 int i;
5768
5769 STAILQ_INIT(&ring->inactive);
5770 STAILQ_INIT(&ring->active);
5771
5772 ring->queued = 0;
5773
5774 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5775 {
5776 cmd = &ring->cmd[i];
5777
5778 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5779 }
5780 }
5781
5782 /*
5783 * rt2870_sysctl_attach
5784 */
5785 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5786 {
5787 struct sysctl_ctx_list *ctx;
5788 struct sysctl_oid *tree;
5789 struct sysctl_oid *stats;
5790
5791 ctx = device_get_sysctl_ctx(sc->dev);
5792 tree = device_get_sysctl_tree(sc->dev);
5793
5794 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5795 "stats", CTLFLAG_RD, 0, "statistic");
5796
5797 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5798 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5799 "all interrupts");
5800
5801 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5802 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5803 "Rx interrupts");
5804
5805 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5806 {
5807 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5808 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5809 "Tx MGMT interrupts");
5810
5811 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5812 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5813 "Tx HCCA interrupts");
5814 }
5815
5816 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5817 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5818 "Tx AC3 interrupts");
5819
5820 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5821 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5822 "Tx AC2 interrupts");
5823
5824 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5825 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5826 "Tx AC1 interrupts");
5827
5828 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5829 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5830 "Tx AC0 interrupts");
5831
5832 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5833 {
5834 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5835 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5836 "Tx MGMT data queued");
5837
5838 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5839 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5840 "Tx HCCA data queued");
5841 }
5842
5843 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5844 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5845 "Tx AC3 data queued");
5846
5847 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5848 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5849 "Tx AC2 data queued");
5850
5851 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5852 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5853 "Tx AC1 data queued");
5854
5855 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5856 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5857 "Tx AC0 data queued");
5858
5859 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5860 {
5861 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5862 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5863 "Tx MGMT data queue full");
5864
5865 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5866 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5867 "Tx HCCA data queue full");
5868 }
5869
5870 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5871 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5872 "Tx AC3 data queue full");
5873
5874 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5875 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5876 "Tx AC2 data queue full");
5877
5878 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5879 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5880 "Tx AC1 data queue full");
5881
5882 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5883 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5884 "Tx AC0 data queue full");
5885
5886 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5887 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5888 "Tx watchdog timeouts");
5889
5890 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5891 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5892 "Rx mbuf allocation errors");
5893
5894 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5895 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5896 "Tx queue 0 not empty");
5897
5898 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5899 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5900 "Tx queue 1 not empty");
5901
5902 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5903 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5904 "Tx beacons");
5905
5906 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5907 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5908 "Tx successfull without retries");
5909
5910 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5911 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5912 "Tx successfull with retries");
5913
5914 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5915 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5916 "Tx failed");
5917
5918 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5919 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5920 "Tx underflows");
5921
5922 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5923 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5924 "Tx zero length");
5925
5926 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5927 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5928 "Tx non-aggregated");
5929
5930 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5931 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5932 "Tx aggregated");
5933
5934 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5935 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5936 "Tx A-MPDU");
5937
5938 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5939 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5940 "Tx MPDU with zero density");
5941
5942 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5943 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5944 "Rx packets");
5945
5946 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5947 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5948 "Rx A-MPDU");
5949
5950 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5951 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
5952 "Rx MPDU with zero density");
5953
5954 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5955 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5956 "Rx A-MSDU");
5957
5958 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5959 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5960 "Rx CRC errors");
5961
5962 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5963 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5964 "Rx PHY errors");
5965
5966 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5967 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5968 "Rx false CCAs");
5969
5970 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5971 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5972 "Rx PLCP errors");
5973
5974 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5975 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5976 "Rx duplicate packets");
5977
5978 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5979 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5980 "Rx FIFO overflows");
5981 }
5982
5983 static device_method_t rt2870_dev_methods[] =
5984 {
5985 DEVMETHOD(device_probe, rt2870_probe),
5986 DEVMETHOD(device_attach, rt2870_attach),
5987 DEVMETHOD(device_detach, rt2870_detach),
5988 { 0, 0 }
5989 };
5990
5991 static driver_t rt2870_driver =
5992 {
5993 "rt2870",
5994 rt2870_dev_methods,
5995 sizeof(struct rt2870_softc),
5996 };
5997
5998 static devclass_t rt2870_dev_class;
5999
6000 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6001 NULL, 0);
6002
6003 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6004 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870