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Disable RTS threshold when A-MSDU Tx is enabled
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blob126594c75b5d22eef36c6e5eec0e8383f5485b34
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 int rt2870_setregdomain(struct ieee80211com *ic,
142 struct ieee80211_regdomain *reg,
143 int nchans, struct ieee80211_channel chans[]);
144
145 static void rt2870_getradiocaps(struct ieee80211com *ic,
146 int maxchans, int *nchans, struct ieee80211_channel chans[]);
147
148 static void rt2870_scan_start(struct ieee80211com *ic);
149
150 static void rt2870_scan_end(struct ieee80211com *ic);
151
152 static void rt2870_set_channel(struct ieee80211com *ic);
153
154 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
155
156 static void rt2870_updateslot(struct ifnet *ifp);
157
158 static void rt2870_update_promisc(struct ifnet *ifp);
159
160 static void rt2870_update_mcast(struct ifnet *ifp);
161
162 static int rt2870_wme_update(struct ieee80211com *ic);
163
164 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
165 const struct ieee80211_bpf_params *params);
166
167 static int rt2870_recv_action(struct ieee80211_node *ni,
168 const struct ieee80211_frame *wh,
169 const uint8_t *frm, const uint8_t *efrm);
170
171 static int rt2870_send_action(struct ieee80211_node *ni,
172 int cat, int act, void *sa);
173
174 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
175
176 static void rt2870_periodic(void *arg);
177
178 static void rt2870_tx_watchdog(void *arg);
179
180 static int rt2870_do_async(struct rt2870_softc *sc,
181 void (*cb)(struct rt2870_softc *sc, void *arg),
182 void *arg, int len);
183
184 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
185
186 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
187
188 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg);
189
190 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
191
192 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
193
194 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
195 const uint8_t *bssid);
196
197 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
198 const uint8_t *addr);
199
200 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
201
202 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
203
204 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
205
206 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
207
208 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
209
210 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
211
212 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
213
214 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
215
216 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
217
218 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
219
220 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
221
222 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
223 struct ieee80211vap *vap);
224
225 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
226
227 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
228
229 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
230 const struct rt2870_rxwi *rxwi);
231
232 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
233 uint8_t rssi, uint8_t rxpath);
234
235 static uint8_t rt2870_rate2mcs(uint8_t rate);
236
237 static void rt2870_rx_frame(struct rt2870_softc *sc,
238 uint8_t *buf, uint32_t dmalen);
239
240 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
241 struct mbuf *m, struct ieee80211_node *ni, int qid);
242
243 static int rt2870_tx_data(struct rt2870_softc *sc,
244 struct mbuf *m, struct ieee80211_node *ni, int qid);
245
246 static int rt2870_tx_raw(struct rt2870_softc *sc,
247 struct mbuf *m, struct ieee80211_node *ni,
248 const struct ieee80211_bpf_params *params);
249
250 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
251
252 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
253
254 static void rt2870_rx_done_task(void *context, int pending);
255
256 static void rt2870_tx_done_task(void *context, int pending);
257
258 static void rt2870_periodic_task(void *context, int pending);
259
260 static void rt2870_cmd_task(void *context, int pending);
261
262 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
263
264 static void rt2870_tx_eof(struct rt2870_softc *sc,
265 struct rt2870_softc_tx_ring *ring);
266
267 static void rt2870_update_stats(struct rt2870_softc *sc);
268
269 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
270
271 static void rt2870_watchdog(struct rt2870_softc *sc);
272
273 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
274
275 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
276
277 static int rt2870_txrx_enable(struct rt2870_softc *sc);
278
279 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
280 struct rt2870_softc_rx_ring *ring);
281
282 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
283 struct rt2870_softc_rx_ring *ring);
284
285 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
286 struct rt2870_softc_rx_ring *ring);
287
288 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
289 struct rt2870_softc_tx_ring *ring, int qid);
290
291 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
292 struct rt2870_softc_tx_ring *ring);
293
294 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
295 struct rt2870_softc_tx_ring *ring);
296
297 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
298 struct rt2870_softc_cmd_ring *ring);
299
300 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
301
302 /*
303 * Static variables
304 */
305
306 static const struct usb_device_id rt2870_usb_devid[] =
307 {
308 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
309 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
310 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
311 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
312 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
313 };
314
315 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
316 {
317 {
318 .type = UE_BULK,
319 .endpoint = 0x01,
320 .direction = UE_DIR_IN,
321 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
322 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
323 .callback = rt2870_rx_intr,
324 },
325 {
326 .type = UE_BULK,
327 .endpoint = 0x01,
328 .direction = UE_DIR_OUT,
329 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
330 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
331 .callback = rt2870_tx_intr,
332 .timeout = RT2870_USB_XFER_TIMEOUT,
333 },
334 {
335 .type = UE_BULK,
336 .endpoint = 0x02,
337 .direction = UE_DIR_OUT,
338 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
339 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
340 .callback = rt2870_tx_intr,
341 .timeout = RT2870_USB_XFER_TIMEOUT,
342 },
343 {
344 .type = UE_BULK,
345 .endpoint = 0x03,
346 .direction = UE_DIR_OUT,
347 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
348 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
349 .callback = rt2870_tx_intr,
350 .timeout = RT2870_USB_XFER_TIMEOUT,
351 },
352 {
353 .type = UE_BULK,
354 .endpoint = 0x04,
355 .direction = UE_DIR_OUT,
356 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
357 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
358 .callback = rt2870_tx_intr,
359 .timeout = RT2870_USB_XFER_TIMEOUT,
360 },
361 {
362 .type = UE_BULK,
363 .endpoint = 0x05,
364 .direction = UE_DIR_OUT,
365 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
366 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
367 .callback = rt2870_tx_intr,
368 .timeout = RT2870_USB_XFER_TIMEOUT,
369 },
370 {
371 .type = UE_BULK,
372 .endpoint = 0x06,
373 .direction = UE_DIR_OUT,
374 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
375 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
376 .callback = rt2870_tx_intr,
377 .timeout = RT2870_USB_XFER_TIMEOUT,
378 },
379 };
380
381 static const struct
382 {
383 uint32_t reg;
384 uint32_t val;
385 } rt2870_def_mac[] =
386 {
387 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
388 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
389 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
390 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
391 { RT2870_REG_SYS_CTRL, 0x00000000 },
392 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
393 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
394 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
395 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
396 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
397 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
398 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
399 { RT2870_REG_LED_CFG, 0x7f031e46 },
400 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
401 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
402 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
403 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
404 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
405 { RT2870_REG_PBF_CFG, 0x00f40006 },
406 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
407 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
408 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
409 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
410 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
411 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
412 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
413 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
414 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
415 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
416 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
417 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
418 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
419 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
420 };
421
422 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
423
424 static const struct
425 {
426 uint8_t reg;
427 uint8_t val;
428 } rt2870_def_bbp[] =
429 {
430 { 65, 0x2c },
431 { 66, 0x38 },
432 { 69, 0x12 },
433 { 70, 0x0a },
434 { 73, 0x10 },
435 { 81, 0x37 },
436 { 82, 0x62 },
437 { 83, 0x6a },
438 { 84, 0x99 },
439 { 86, 0x00 },
440 { 91, 0x04 },
441 { 92, 0x00 },
442 { 103, 0x00 },
443 { 105, 0x05 },
444 { 106, 0x35 },
445 };
446
447 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
448
449 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
450
451 #ifdef RT2870_DEBUG
452 static int rt2870_debug = 0;
453 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
454 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
455 #endif
456
457 /*
458 * rt2870_probe
459 */
460 static int rt2870_probe(device_t dev)
461 {
462 struct usb_attach_arg *uaa;
463
464 uaa = device_get_ivars(dev);
465
466 if (uaa->usb_mode != USB_MODE_HOST)
467 return ENXIO;
468
469 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
470 return ENXIO;
471
472 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
473 return ENXIO;
474
475 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
476 sizeof(rt2870_usb_devid), uaa));
477 }
478
479 /*
480 * rt2870_attach
481 */
482 static int rt2870_attach(device_t dev)
483 {
484 struct rt2870_softc *sc;
485 struct usb_attach_arg *uaa;
486 usb_error_t usb_error;
487 struct ieee80211com *ic;
488 struct ifnet *ifp;
489 struct usb_interface *iface;
490 struct usb_interface_descriptor *iface_desc;
491 uint8_t iface_index;
492 int error, ntries, i;
493
494 sc = device_get_softc(dev);
495 uaa = device_get_ivars(dev);
496
497 sc->dev = dev;
498 sc->usb_dev = uaa->device;
499
500 device_set_usb_desc(dev);
501
502 #ifdef RT2870_DEBUG
503 sc->debug = rt2870_debug;
504
505 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
506 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
507 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
508 #endif
509
510 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
511 "%s: attaching\n",
512 device_get_nameunit(sc->dev));
513
514 iface_index = RT2870_USB_IFACE_INDEX;
515
516 iface = usbd_get_iface(uaa->device, iface_index);
517 if (iface == NULL)
518 {
519 printf("%s: could not get USB interface\n",
520 device_get_nameunit(sc->dev));
521 return ENXIO;
522 }
523
524 iface_desc = usbd_get_interface_descriptor(iface);
525 if (iface_desc == NULL)
526 {
527 printf("%s: could not get USB interface descriptor\n",
528 device_get_nameunit(sc->dev));
529 return ENXIO;
530 }
531
532 sc->usb_endpoints = iface_desc->bNumEndpoints;
533 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
534 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
535 {
536 printf("%s: wrong number of USB endpoints=%d\n",
537 device_get_nameunit(sc->dev), sc->usb_endpoints);
538 return ENXIO;
539 }
540
541 mtx_init(&sc->lock, device_get_nameunit(dev),
542 MTX_NETWORK_LOCK, MTX_DEF);
543
544 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
545 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
546 sc, &sc->lock);
547 if (usb_error != 0)
548 {
549 printf("%s: could not allocate USB transfers: error=%s\n",
550 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
551 error = ENXIO;
552 goto fail;
553 }
554
555 RT2870_SOFTC_LOCK(sc);
556
557 for (ntries = 0; ntries < 100; ntries++)
558 {
559 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
560 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
561 break;
562
563 DELAY(10);
564 }
565
566 if (ntries == 100)
567 {
568 printf("%s: timeout waiting for NIC to initialize\n",
569 device_get_nameunit(sc->dev));
570 error = ENXIO;
571 goto fail;
572 }
573
574 rt2870_read_eeprom(sc);
575
576 RT2870_SOFTC_UNLOCK(sc);
577
578 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
579 device_get_nameunit(sc->dev), sc->mac_rev,
580 rt2870_rf_name(sc->rf_rev));
581
582 /* allocate Tx and Rx rings */
583
584 for (i = 0; i < sc->usb_endpoints - 1; i++)
585 {
586 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
587 if (error != 0)
588 {
589 printf("%s: could not allocate Tx ring #%d\n",
590 device_get_nameunit(sc->dev), i);
591 goto fail;
592 }
593 }
594
595 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
596 sc->tx_ring_mgtqid = 5;
597 else
598 sc->tx_ring_mgtqid = 0;
599
600 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
601 if (error != 0)
602 {
603 printf("%s: could not allocate Rx ring\n",
604 device_get_nameunit(sc->dev));
605 goto fail;
606 }
607
608 callout_init(&sc->periodic_ch, 0);
609 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
610
611 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
612 if (ifp == NULL)
613 {
614 printf("%s: could not if_alloc()\n",
615 device_get_nameunit(sc->dev));
616 error = ENOMEM;
617 goto fail;
618 }
619
620 ifp->if_softc = sc;
621
622 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
623
624 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
625
626 ifp->if_init = rt2870_init;
627 ifp->if_ioctl = rt2870_ioctl;
628 ifp->if_start = rt2870_start;
629
630 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
631 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
632 IFQ_SET_READY(&ifp->if_snd);
633
634 ic = ifp->if_l2com;
635
636 ic->ic_ifp = ifp;
637
638 ic->ic_phytype = IEEE80211_T_HT;
639 ic->ic_opmode = IEEE80211_M_STA;
640
641 ic->ic_caps = IEEE80211_C_MONITOR |
642 IEEE80211_C_IBSS |
643 IEEE80211_C_STA |
644 IEEE80211_C_AHDEMO |
645 IEEE80211_C_HOSTAP |
646 IEEE80211_C_WDS |
647 IEEE80211_C_MBSS |
648 /* IEEE80211_C_BGSCAN | */
649 IEEE80211_C_TXPMGT |
650 IEEE80211_C_SHPREAMBLE |
651 IEEE80211_C_SHSLOT |
652 IEEE80211_C_TXFRAG |
653 IEEE80211_C_BURST |
654 IEEE80211_C_WME |
655 IEEE80211_C_WPA;
656
657 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
658 IEEE80211_CRYPTO_TKIP |
659 IEEE80211_CRYPTO_TKIPMIC |
660 IEEE80211_CRYPTO_AES_CCM;
661
662 ic->ic_htcaps = IEEE80211_HTC_HT |
663 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
664 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
665 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
666 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
667 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
668 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
669 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
670 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
671
672 /* spatial streams */
673
674 if (sc->nrxpath == 2)
675 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
676 else if (sc->nrxpath == 3)
677 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
678 else
679 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
680
681 if (sc->ntxpath > 1)
682 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
683
684 /* delayed BA */
685
686 if (sc->mac_rev != 0x28600100)
687 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
688
689 /* init channels */
690
691 ic->ic_nchans = 0;
692
693 rt2870_init_channels(sc);
694
695 rt2870_init_channels_ht40(sc);
696
697 ieee80211_ifattach(ic, sc->mac_addr);
698
699 ic->ic_vap_create = rt2870_vap_create;
700 ic->ic_vap_delete = rt2870_vap_delete;
701
702 ic->ic_node_alloc = rt2870_node_alloc;
703 ic->ic_setregdomain = rt2870_setregdomain;
704 ic->ic_getradiocaps = rt2870_getradiocaps;
705 ic->ic_scan_start = rt2870_scan_start;
706 ic->ic_scan_end = rt2870_scan_end;
707 ic->ic_set_channel = rt2870_set_channel;
708 ic->ic_newassoc = rt2870_newassoc;
709 ic->ic_updateslot = rt2870_updateslot;
710 ic->ic_update_promisc = rt2870_update_promisc;
711 ic->ic_update_mcast = rt2870_update_mcast;
712 ic->ic_wme.wme_update = rt2870_wme_update;
713 ic->ic_raw_xmit = rt2870_raw_xmit;
714
715 sc->recv_action = ic->ic_recv_action;
716 ic->ic_recv_action = rt2870_recv_action;
717
718 sc->send_action = ic->ic_send_action;
719 ic->ic_send_action = rt2870_send_action;
720
721 /* hardware requires padding between 802.11 frame header and body */
722
723 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
724
725 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
726
727 ieee80211_radiotap_attach(ic,
728 &sc->txtap.ihdr, sizeof(sc->txtap),
729 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
730 &sc->rxtap.ihdr, sizeof(sc->rxtap),
731 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
732
733 /* init task queue */
734
735 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
736 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
737 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
738 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
739
740 sc->rx_process_limit = 100;
741
742 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
743 taskqueue_thread_enqueue, &sc->taskqueue);
744
745 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
746 device_get_nameunit(sc->dev));
747
748 rt2870_sysctl_attach(sc);
749
750 if (bootverbose)
751 ieee80211_announce(ic);
752
753 return 0;
754
755 fail:
756
757 /* stop all USB transfers */
758
759 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
760
761 /* free Tx and Rx rings */
762
763 for (i = 0; i < sc->usb_endpoints - 1; i++)
764 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
765
766 rt2870_free_rx_ring(sc, &sc->rx_ring);
767
768 mtx_destroy(&sc->lock);
769
770 return error;
771 }
772
773 /*
774 * rt2870_detach
775 */
776 static int rt2870_detach(device_t dev)
777 {
778 struct rt2870_softc *sc;
779 struct ieee80211com *ic;
780 struct ifnet *ifp;
781 int i;
782
783 if (!device_is_attached(dev))
784 return 0;
785
786 sc = device_get_softc(dev);
787 ifp = sc->ifp;
788 ic = ifp->if_l2com;
789
790 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
791 "%s: detaching\n",
792 device_get_nameunit(sc->dev));
793
794 RT2870_SOFTC_LOCK(sc);
795
796 sc->tx_timer = 0;
797
798 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
799
800 callout_stop(&sc->periodic_ch);
801 callout_stop(&sc->tx_watchdog_ch);
802
803 RT2870_SOFTC_UNLOCK(sc);
804
805 taskqueue_block(sc->taskqueue);
806
807 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
808 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
809 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
810 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
811
812 /* stop all USB transfers */
813
814 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
815
816 RT2870_SOFTC_LOCK(sc);
817
818 /* free Tx and Rx rings */
819
820 for (i = 0; i < sc->usb_endpoints - 1; i++)
821 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
822
823 rt2870_free_rx_ring(sc, &sc->rx_ring);
824
825 RT2870_SOFTC_UNLOCK(sc);
826
827 ieee80211_ifdetach(ic);
828
829 if_free(ifp);
830
831 taskqueue_free(sc->taskqueue);
832
833 mtx_destroy(&sc->lock);
834
835 return 0;
836 }
837
838 /*
839 * rt2870_init_channels
840 */
841 static void rt2870_init_channels(struct rt2870_softc *sc)
842 {
843 struct ifnet *ifp;
844 struct ieee80211com *ic;
845 struct ieee80211_channel *c;
846 int i, flags;
847
848 ifp = sc->ifp;
849 ic = ifp->if_l2com;
850
851 /* set supported channels for 2GHz band */
852
853 for (i = 1; i <= 14; i++)
854 {
855 c = &ic->ic_channels[ic->ic_nchans++];
856 flags = IEEE80211_CHAN_B;
857
858 c->ic_freq = ieee80211_ieee2mhz(i, flags);
859 c->ic_ieee = i;
860 c->ic_flags = flags;
861
862 c = &ic->ic_channels[ic->ic_nchans++];
863 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
864
865 c->ic_freq = ieee80211_ieee2mhz(i, flags);
866 c->ic_ieee = i;
867 c->ic_flags = flags;
868
869 c = &ic->ic_channels[ic->ic_nchans++];
870 flags = IEEE80211_CHAN_G;
871
872 c->ic_freq = ieee80211_ieee2mhz(i, flags);
873 c->ic_ieee = i;
874 c->ic_flags = flags;
875
876 c = &ic->ic_channels[ic->ic_nchans++];
877 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
878
879 c->ic_freq = ieee80211_ieee2mhz(i, flags);
880 c->ic_ieee = i;
881 c->ic_flags = flags;
882 }
883
884 /* set supported channels for 5GHz band */
885
886 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
887 sc->rf_rev == RT2870_EEPROM_RF_2750)
888 {
889 for (i = 36; i <= 64; i += 4)
890 {
891 c = &ic->ic_channels[ic->ic_nchans++];
892 flags = IEEE80211_CHAN_A;
893
894 c->ic_freq = ieee80211_ieee2mhz(i, flags);
895 c->ic_ieee = i;
896 c->ic_flags = flags;
897
898 c = &ic->ic_channels[ic->ic_nchans++];
899 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
900
901 c->ic_freq = ieee80211_ieee2mhz(i, flags);
902 c->ic_ieee = i;
903 c->ic_flags = flags;
904 }
905
906 for (i = 100; i <= 140; i += 4)
907 {
908 c = &ic->ic_channels[ic->ic_nchans++];
909 flags = IEEE80211_CHAN_A;
910
911 c->ic_freq = ieee80211_ieee2mhz(i, flags);
912 c->ic_ieee = i;
913 c->ic_flags = flags;
914
915 c = &ic->ic_channels[ic->ic_nchans++];
916 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
917
918 c->ic_freq = ieee80211_ieee2mhz(i, flags);
919 c->ic_ieee = i;
920 c->ic_flags = flags;
921 }
922
923 for (i = 149; i <= 165; i += 4)
924 {
925 c = &ic->ic_channels[ic->ic_nchans++];
926 flags = IEEE80211_CHAN_A;
927
928 c->ic_freq = ieee80211_ieee2mhz(i, flags);
929 c->ic_ieee = i;
930 c->ic_flags = flags;
931
932 c = &ic->ic_channels[ic->ic_nchans++];
933 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
934
935 c->ic_freq = ieee80211_ieee2mhz(i, flags);
936 c->ic_ieee = i;
937 c->ic_flags = flags;
938 }
939 }
940 }
941
942 /*
943 * rt2870_init_channels_ht40
944 */
945 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
946 {
947 struct ifnet *ifp;
948 struct ieee80211com *ic;
949 struct ieee80211_channel *c, *cent, *ext;
950 int i, flags;
951
952 ifp = sc->ifp;
953 ic = ifp->if_l2com;
954
955 /* set supported channels for 2GHz band */
956
957 for (i = 1; i <= 14; i++)
958 {
959 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
960
961 /* find the center channel */
962
963 cent = ieee80211_find_channel_byieee(ic, i,
964 flags & ~IEEE80211_CHAN_HT);
965 if (cent == NULL)
966 {
967 printf("%s: skip channel %d, could not find center channel\n",
968 device_get_nameunit(sc->dev), i);
969 continue;
970 }
971
972 /* find the extension channel */
973
974 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
975 flags & ~IEEE80211_CHAN_HT);
976 if (ext == NULL)
977 {
978 printf("%s: skip channel %d, could not find extension channel\n",
979 device_get_nameunit(sc->dev), i);
980 continue;
981 }
982
983 c = &ic->ic_channels[ic->ic_nchans++];
984
985 *c = *cent;
986 c->ic_extieee = ext->ic_ieee;
987 c->ic_flags &= ~IEEE80211_CHAN_HT;
988 c->ic_flags |= IEEE80211_CHAN_HT40U;
989
990 c = &ic->ic_channels[ic->ic_nchans++];
991
992 *c = *ext;
993 c->ic_extieee = cent->ic_ieee;
994 c->ic_flags &= ~IEEE80211_CHAN_HT;
995 c->ic_flags |= IEEE80211_CHAN_HT40D;
996 }
997
998 /* set supported channels for 5GHz band */
999
1000 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1001 sc->rf_rev == RT2870_EEPROM_RF_2750)
1002 {
1003 for (i = 36; i <= 64; i += 4)
1004 {
1005 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1006
1007 /* find the center channel */
1008
1009 cent = ieee80211_find_channel_byieee(ic, i,
1010 flags & ~IEEE80211_CHAN_HT);
1011 if (cent == NULL)
1012 {
1013 printf("%s: skip channel %d, could not find center channel\n",
1014 device_get_nameunit(sc->dev), i);
1015 continue;
1016 }
1017
1018 /* find the extension channel */
1019
1020 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1021 flags & ~IEEE80211_CHAN_HT);
1022 if (ext == NULL)
1023 {
1024 printf("%s: skip channel %d, could not find extension channel\n",
1025 device_get_nameunit(sc->dev), i);
1026 continue;
1027 }
1028
1029 c = &ic->ic_channels[ic->ic_nchans++];
1030
1031 *c = *cent;
1032 c->ic_extieee = ext->ic_ieee;
1033 c->ic_flags &= ~IEEE80211_CHAN_HT;
1034 c->ic_flags |= IEEE80211_CHAN_HT40U;
1035
1036 c = &ic->ic_channels[ic->ic_nchans++];
1037
1038 *c = *ext;
1039 c->ic_extieee = cent->ic_ieee;
1040 c->ic_flags &= ~IEEE80211_CHAN_HT;
1041 c->ic_flags |= IEEE80211_CHAN_HT40D;
1042 }
1043
1044 for (i = 100; i <= 140; i += 4)
1045 {
1046 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1047
1048 /* find the center channel */
1049
1050 cent = ieee80211_find_channel_byieee(ic, i,
1051 flags & ~IEEE80211_CHAN_HT);
1052 if (cent == NULL)
1053 {
1054 printf("%s: skip channel %d, could not find center channel\n",
1055 device_get_nameunit(sc->dev), i);
1056 continue;
1057 }
1058
1059 /* find the extension channel */
1060
1061 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1062 flags & ~IEEE80211_CHAN_HT);
1063 if (ext == NULL)
1064 {
1065 printf("%s: skip channel %d, could not find extension channel\n",
1066 device_get_nameunit(sc->dev), i);
1067 continue;
1068 }
1069
1070 c = &ic->ic_channels[ic->ic_nchans++];
1071
1072 *c = *cent;
1073 c->ic_extieee = ext->ic_ieee;
1074 c->ic_flags &= ~IEEE80211_CHAN_HT;
1075 c->ic_flags |= IEEE80211_CHAN_HT40U;
1076
1077 c = &ic->ic_channels[ic->ic_nchans++];
1078
1079 *c = *ext;
1080 c->ic_extieee = cent->ic_ieee;
1081 c->ic_flags &= ~IEEE80211_CHAN_HT;
1082 c->ic_flags |= IEEE80211_CHAN_HT40D;
1083 }
1084
1085 for (i = 149; i <= 165; i += 4)
1086 {
1087 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1088
1089 /* find the center channel */
1090
1091 cent = ieee80211_find_channel_byieee(ic, i,
1092 flags & ~IEEE80211_CHAN_HT);
1093 if (cent == NULL)
1094 {
1095 printf("%s: skip channel %d, could not find center channel\n",
1096 device_get_nameunit(sc->dev), i);
1097 continue;
1098 }
1099
1100 /* find the extension channel */
1101
1102 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1103 flags & ~IEEE80211_CHAN_HT);
1104 if (ext == NULL)
1105 {
1106 printf("%s: skip channel %d, could not find extension channel\n",
1107 device_get_nameunit(sc->dev), i);
1108 continue;
1109 }
1110
1111 c = &ic->ic_channels[ic->ic_nchans++];
1112
1113 *c = *cent;
1114 c->ic_extieee = ext->ic_ieee;
1115 c->ic_flags &= ~IEEE80211_CHAN_HT;
1116 c->ic_flags |= IEEE80211_CHAN_HT40U;
1117
1118 c = &ic->ic_channels[ic->ic_nchans++];
1119
1120 *c = *ext;
1121 c->ic_extieee = cent->ic_ieee;
1122 c->ic_flags &= ~IEEE80211_CHAN_HT;
1123 c->ic_flags |= IEEE80211_CHAN_HT40D;
1124 }
1125 }
1126 }
1127
1128 /*
1129 * rt2870_init_locked
1130 */
1131 static void rt2870_init_locked(void *priv)
1132 {
1133 struct rt2870_softc *sc;
1134 struct ifnet *ifp;
1135 struct ieee80211com *ic;
1136 int ntries, error, i;
1137 uint32_t tmp, stacnt[6];
1138
1139 sc = priv;
1140 ifp = sc->ifp;
1141 ic = ifp->if_l2com;
1142
1143 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1144 "%s: initializing\n",
1145 device_get_nameunit(sc->dev));
1146
1147 RT2870_SOFTC_ASSERT_LOCKED(sc);
1148
1149 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1150 {
1151 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1152 "%s: loading 8051 microcode\n",
1153 device_get_nameunit(sc->dev));
1154
1155 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1156 if (error != 0)
1157 {
1158 printf("%s: could not load 8051 microcode\n",
1159 device_get_nameunit(sc->dev));
1160 goto fail;
1161 }
1162
1163 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1164 "%s: 8051 microcode was successfully loaded\n",
1165 device_get_nameunit(sc->dev));
1166
1167 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1168 }
1169
1170 /* wait while DMA engine is busy */
1171
1172 for (ntries = 0; ntries < 100; ntries++)
1173 {
1174 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1175 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1176 break;
1177
1178 DELAY(1000);
1179 }
1180
1181 if (ntries == 100)
1182 {
1183 printf("%s: timeout waiting for DMA engine\n",
1184 device_get_nameunit(sc->dev));
1185 goto fail;
1186 }
1187
1188 tmp &= 0xff0;
1189 tmp |= RT2870_REG_TX_WB_DDONE;
1190
1191 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1192
1193 /* PBF hardware reset */
1194
1195 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1196
1197 tmp &= ~(1 << 13);
1198
1199 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1200
1201 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1202 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1203
1204 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1205
1206 rt2870_io_mcu_reset(sc);
1207
1208 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1209
1210 /* init Tx power per rate */
1211
1212 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1213 {
1214 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1215 continue;
1216
1217 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1218 sc->txpow_rate_20mhz[i]);
1219 }
1220
1221 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1222 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1223 rt2870_def_mac[i].val);
1224
1225 /* wait while MAC is busy */
1226
1227 for (ntries = 0; ntries < 100; ntries++)
1228 {
1229 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1230 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1231 break;
1232
1233 DELAY(1000);
1234 }
1235
1236 if (ntries == 100)
1237 {
1238 printf("%s: timeout waiting for MAC\n",
1239 device_get_nameunit(sc->dev));
1240 goto fail;
1241 }
1242
1243 /* clear Host to MCU mailbox */
1244
1245 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1246 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1247
1248 DELAY(1000);
1249
1250 error = rt2870_init_bbp(sc);
1251 if (error != 0)
1252 goto fail;
1253
1254 /* set up maximum buffer sizes */
1255
1256 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1257
1258 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1259
1260 if (sc->mac_rev == 0x28720200)
1261 {
1262 /* set max. PSDU length from 16K to 32K bytes */
1263
1264 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1265
1266 tmp &= ~(3 << 12);
1267 tmp |= (2 << 12);
1268
1269 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1270 }
1271
1272 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1273 {
1274 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1275
1276 tmp &= 0xfff;
1277 tmp |= 0x2000;
1278
1279 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1280 }
1281
1282 /* set mac address */
1283
1284 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1285
1286 /* clear statistic registers */
1287
1288 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1289 stacnt, sizeof(stacnt));
1290
1291 /* send LEDs operating mode to microcontroller */
1292
1293 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1294 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1295 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1296 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1297 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1298 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1299
1300 /* write vendor-specific BBP values (from EEPROM) */
1301
1302 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1303 {
1304 if (sc->bbp_eeprom[i].reg == 0x00 ||
1305 sc->bbp_eeprom[i].reg == 0xff)
1306 continue;
1307
1308 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1309 sc->bbp_eeprom[i].val);
1310 }
1311
1312 /* disable non-existing Rx chains */
1313
1314 tmp = rt2870_io_bbp_read(sc, 3);
1315
1316 tmp &= ~((1 << 4) | (1 << 3));
1317
1318 if (sc->nrxpath == 3)
1319 tmp |= (1 << 4);
1320 else if (sc->nrxpath == 2)
1321 tmp |= (1 << 3);
1322
1323 rt2870_io_bbp_write(sc, 3, tmp);
1324
1325 /* disable non-existing Tx chains */
1326
1327 tmp = rt2870_io_bbp_read(sc, 1);
1328
1329 tmp &= ~((1 << 4) | (1 << 3));
1330
1331 if (sc->ntxpath == 2)
1332 tmp |= (1 << 4);
1333
1334 rt2870_io_bbp_write(sc, 1, tmp);
1335
1336 /* set current channel */
1337
1338 rt2870_rf_set_chan(sc, ic->ic_curchan);
1339
1340 /* turn radio LED on */
1341
1342 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1343
1344 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1345 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1346
1347 /* set RTS threshold */
1348
1349 rt2870_asic_update_rtsthreshold(sc);
1350
1351 /* set Tx power */
1352
1353 rt2870_asic_update_txpower(sc);
1354
1355 /* set up protection mode */
1356
1357 rt2870_asic_updateprot(sc);
1358
1359 /* clear key tables */
1360
1361 rt2870_asic_clear_keytables(sc);
1362
1363 /* clear beacon frame space (entries = 8, entry size = 512) */
1364
1365 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1366
1367 if (rt2870_txrx_enable(sc) != 0)
1368 goto fail;
1369
1370 /* clear garbage interrupts */
1371
1372 tmp = rt2870_io_mac_read(sc, 0x1300);
1373
1374 taskqueue_unblock(sc->taskqueue);
1375
1376 /* init Tx and Rx rings */
1377
1378 for(i = 0; i < sc->usb_endpoints - 1; i++)
1379 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1380
1381 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1382
1383 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1384
1385 for(i = 0; i < sc->usb_endpoints - 1; i++)
1386 {
1387 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1388 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1389 }
1390
1391 /* start up the receive pipe */
1392
1393 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1394 usbd_transfer_start(sc->usb_xfer[0]);
1395
1396 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1397 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1398
1399 sc->periodic_round = 0;
1400
1401 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1402
1403 return;
1404
1405 fail:
1406
1407 rt2870_stop_locked(sc);
1408 }
1409
1410 /*
1411 * rt2870_init
1412 */
1413 static void rt2870_init(void *priv)
1414 {
1415 struct rt2870_softc *sc;
1416
1417 sc = priv;
1418
1419 RT2870_SOFTC_LOCK(sc);
1420
1421 rt2870_init_locked(sc);
1422
1423 RT2870_SOFTC_UNLOCK(sc);
1424 }
1425
1426 /*
1427 * rt2870_init_bbp
1428 */
1429 static int rt2870_init_bbp(struct rt2870_softc *sc)
1430 {
1431 int ntries, i;
1432 uint8_t tmp;
1433
1434 for (ntries = 0; ntries < 20; ntries++)
1435 {
1436 tmp = rt2870_io_bbp_read(sc, 0);
1437 if (tmp != 0x00 && tmp != 0xff)
1438 break;
1439 }
1440
1441 if (tmp == 0x00 || tmp == 0xff)
1442 {
1443 printf("%s: timeout waiting for BBP to wakeup\n",
1444 device_get_nameunit(sc->dev));
1445 return ETIMEDOUT;
1446 }
1447
1448 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1449 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1450 rt2870_def_bbp[i].val);
1451
1452 if ((sc->mac_rev & 0xffff) != 0x0101)
1453 rt2870_io_bbp_write(sc, 84, 0x19);
1454
1455 if (sc->mac_rev == 0x28600100)
1456 {
1457 rt2870_io_bbp_write(sc, 69, 0x16);
1458 rt2870_io_bbp_write(sc, 73, 0x12);
1459 }
1460
1461 return 0;
1462 }
1463
1464 /*
1465 * rt2870_stop_locked
1466 */
1467 static void rt2870_stop_locked(void *priv)
1468 {
1469 struct rt2870_softc *sc;
1470 struct ifnet *ifp;
1471 struct ieee80211com *ic;
1472 uint32_t tmp;
1473 int i;
1474
1475 sc = priv;
1476 ifp = sc->ifp;
1477 ic = ifp->if_l2com;
1478
1479 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1480 "%s: stopping\n",
1481 device_get_nameunit(sc->dev));
1482
1483 RT2870_SOFTC_ASSERT_LOCKED(sc);
1484
1485 sc->tx_timer = 0;
1486
1487 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1488 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1489
1490 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1491
1492 callout_stop(&sc->periodic_ch);
1493 callout_stop(&sc->tx_watchdog_ch);
1494
1495 RT2870_SOFTC_UNLOCK(sc);
1496
1497 taskqueue_block(sc->taskqueue);
1498
1499 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1500 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1501 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1502 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1503
1504 RT2870_SOFTC_LOCK(sc);
1505
1506 /* clear key tables */
1507
1508 rt2870_asic_clear_keytables(sc);
1509
1510 /* disable Tx/Rx */
1511
1512 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1513
1514 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1515
1516 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1517
1518 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1519
1520 /* reset adapter */
1521
1522 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1523 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1524 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1525
1526 /* abort any pending transfers */
1527
1528 for (i = 0; i < sc->usb_endpoints; i++)
1529 usbd_transfer_stop(sc->usb_xfer[i]);
1530 }
1531
1532 /*
1533 * rt2870_stop
1534 */
1535 static void rt2870_stop(void *priv)
1536 {
1537 struct rt2870_softc *sc;
1538
1539 sc = priv;
1540
1541 RT2870_SOFTC_LOCK(sc);
1542
1543 rt2870_stop_locked(sc);
1544
1545 RT2870_SOFTC_UNLOCK(sc);
1546 }
1547
1548 /*
1549 * rt2870_start
1550 */
1551 static void rt2870_start(struct ifnet *ifp)
1552 {
1553 struct rt2870_softc *sc;
1554 struct ieee80211_node *ni;
1555 struct mbuf *m;
1556 int qid;
1557
1558 sc = ifp->if_softc;
1559
1560 RT2870_SOFTC_LOCK(sc);
1561
1562 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1563 {
1564 RT2870_SOFTC_UNLOCK(sc);
1565 return;
1566 }
1567
1568 for (;;)
1569 {
1570 IF_POLL(&ifp->if_snd, m);
1571 if (m == NULL)
1572 break;
1573
1574 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1575
1576 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1577
1578 qid = M_WME_GETAC(m);
1579
1580 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1581 {
1582 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1583 "%s: if_start: Tx ring with qid=%d is full\n",
1584 device_get_nameunit(sc->dev), qid);
1585
1586 m_freem(m);
1587 ieee80211_free_node(ni);
1588
1589 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1590 ifp->if_oerrors++;
1591
1592 sc->tx_data_queue_full[qid]++;
1593
1594 break;
1595 }
1596
1597 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1598 {
1599 ieee80211_free_node(ni);
1600 ifp->if_oerrors++;
1601 break;
1602 }
1603
1604 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1605
1606 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1607 }
1608
1609 RT2870_SOFTC_UNLOCK(sc);
1610 }
1611
1612 /*
1613 * rt2870_ioctl
1614 */
1615 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1616 {
1617 struct rt2870_softc *sc;
1618 struct ieee80211com *ic;
1619 struct ifreq *ifr;
1620 int error, startall;
1621
1622 sc = ifp->if_softc;
1623 ic = ifp->if_l2com;
1624 ifr = (struct ifreq *) data;
1625
1626 error = 0;
1627
1628 switch (cmd)
1629 {
1630 case SIOCSIFFLAGS:
1631 startall = 0;
1632
1633 RT2870_SOFTC_LOCK(sc);
1634
1635 if (ifp->if_flags & IFF_UP)
1636 {
1637 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1638 {
1639 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1640 rt2870_asic_update_promisc(sc);
1641 }
1642 else
1643 {
1644 rt2870_init_locked(sc);
1645 startall = 1;
1646 }
1647 }
1648 else
1649 {
1650 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1651 rt2870_stop_locked(sc);
1652 }
1653
1654 sc->if_flags = ifp->if_flags;
1655
1656 RT2870_SOFTC_UNLOCK(sc);
1657
1658 if (startall)
1659 ieee80211_start_all(ic);
1660 break;
1661
1662 case SIOCGIFMEDIA:
1663 case SIOCSIFMEDIA:
1664 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1665 break;
1666
1667 case SIOCGIFADDR:
1668 error = ether_ioctl(ifp, cmd, data);
1669 break;
1670
1671 default:
1672 error = EINVAL;
1673 break;
1674 }
1675
1676 return error;
1677 }
1678
1679 /*
1680 * rt2870_vap_create
1681 */
1682 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1683 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1684 const uint8_t bssid[IEEE80211_ADDR_LEN],
1685 const uint8_t mac[IEEE80211_ADDR_LEN])
1686 {
1687 struct rt2870_softc *sc;
1688 struct ifnet *ifp;
1689 struct rt2870_softc_vap *rvap;
1690 struct ieee80211vap *vap;
1691
1692 ifp = ic->ic_ifp;
1693 sc = ifp->if_softc;
1694
1695 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1696 "%s: VAP create: opmode=%s\n",
1697 device_get_nameunit(sc->dev),
1698 ieee80211_opmode_name[opmode]);
1699
1700 switch (opmode)
1701 {
1702 case IEEE80211_M_MONITOR:
1703 case IEEE80211_M_IBSS:
1704 case IEEE80211_M_STA:
1705 case IEEE80211_M_AHDEMO:
1706 case IEEE80211_M_HOSTAP:
1707 case IEEE80211_M_MBSS:
1708 if (!TAILQ_EMPTY(&ic->ic_vaps))
1709 {
1710 if_printf(ifp, "only 1 VAP supported\n");
1711 return NULL;
1712 }
1713
1714 if (opmode == IEEE80211_M_STA)
1715 flags |= IEEE80211_CLONE_NOBEACONS;
1716 break;
1717
1718 case IEEE80211_M_WDS:
1719 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1720 {
1721 if_printf(ifp, "WDS only supported in AP mode\n");
1722 return NULL;
1723 }
1724
1725 flags &= ~IEEE80211_CLONE_BSSID;
1726 break;
1727
1728 default:
1729 if_printf(ifp, "unknown opmode %d\n", opmode);
1730 return NULL;
1731 }
1732
1733 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1734 M_80211_VAP, M_NOWAIT | M_ZERO);
1735 if (rvap == NULL)
1736 return NULL;
1737
1738 vap = &rvap->vap;
1739
1740 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1741
1742 rvap->newstate = vap->iv_newstate;
1743 vap->iv_newstate = rt2870_vap_newstate;
1744
1745 vap->iv_reset = rt2870_vap_reset;
1746 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1747 vap->iv_key_update_end = rt2870_vap_key_update_end;
1748 vap->iv_key_set = rt2870_vap_key_set;
1749 vap->iv_key_delete = rt2870_vap_key_delete;
1750 vap->iv_update_beacon = rt2870_vap_update_beacon;
1751
1752 rt2870_amrr_init(&rvap->amrr, vap,
1753 sc->ntxpath,
1754 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1755 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1756 500);
1757
1758 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1759
1760 /* override default Rx A-MPDU factor */
1761
1762 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1763 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1764 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1765
1766 ic->ic_opmode = opmode;
1767
1768 return vap;
1769 }
1770
1771 /*
1772 * rt2870_vap_delete
1773 */
1774 static void rt2870_vap_delete(struct ieee80211vap *vap)
1775 {
1776 struct rt2870_softc *sc;
1777 struct ieee80211com *ic;
1778 struct ifnet *ifp;
1779 struct rt2870_softc_vap *rvap;
1780
1781 ic = vap->iv_ic;
1782 ifp = ic->ic_ifp;
1783 sc = ifp->if_softc;
1784 rvap = (struct rt2870_softc_vap *) vap;
1785
1786 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1787 "%s: VAP delete: opmode=%s\n",
1788 device_get_nameunit(sc->dev),
1789 ieee80211_opmode_name[vap->iv_opmode]);
1790
1791 rt2870_amrr_cleanup(&rvap->amrr);
1792
1793 ieee80211_vap_detach(vap);
1794
1795 free(rvap, M_80211_VAP);
1796 }
1797
1798 /*
1799 * rt2870_reset_vap
1800 */
1801 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1802 {
1803 struct rt2870_softc *sc;
1804 struct ieee80211com *ic;
1805 struct ifnet *ifp;
1806 struct rt2870_softc_vap *rvap;
1807 int error;
1808
1809 ic = vap->iv_ic;
1810 ifp = ic->ic_ifp;
1811 sc = ifp->if_softc;
1812 rvap = (struct rt2870_softc_vap *) vap;
1813
1814 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1815 "%s: VAP reset: cmd=%lu\n",
1816 device_get_nameunit(sc->dev), cmd);
1817
1818 error = 0;
1819
1820 RT2870_SOFTC_LOCK(sc);
1821
1822 switch (cmd)
1823 {
1824 case IEEE80211_IOC_RTSTHRESHOLD:
1825 case IEEE80211_IOC_AMSDU:
1826 rt2870_asic_update_rtsthreshold(sc);
1827 break;
1828
1829 case IEEE80211_IOC_PROTMODE:
1830 case IEEE80211_IOC_HTPROTMODE:
1831 rt2870_asic_updateprot(sc);
1832 break;
1833
1834 case IEEE80211_IOC_TXPOWER:
1835 rt2870_asic_update_txpower(sc);
1836 break;
1837
1838 case IEEE80211_IOC_SHORTGI:
1839 case IEEE80211_IOC_AMPDU_DENSITY:
1840 break;
1841
1842 default:
1843 error = ENETRESET;
1844 break;
1845 }
1846
1847 RT2870_SOFTC_UNLOCK(sc);
1848
1849 return error;
1850 }
1851
1852 /*
1853 * rt2870_vap_newstate
1854 */
1855 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1856 enum ieee80211_state nstate, int arg)
1857 {
1858 struct rt2870_softc *sc;
1859 struct ieee80211com *ic;
1860 struct ifnet *ifp;
1861 struct rt2870_softc_vap *rvap;
1862 struct ieee80211_node *ni;
1863 int error;
1864
1865 ic = vap->iv_ic;
1866 ifp = ic->ic_ifp;
1867 sc = ifp->if_softc;
1868 rvap = (struct rt2870_softc_vap *) vap;
1869
1870 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1871 "%s: VAP newstate: %s -> %s\n",
1872 device_get_nameunit(sc->dev),
1873 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1874
1875 error = rvap->newstate(vap, nstate, arg);
1876 if (error != 0)
1877 return error;
1878
1879 IEEE80211_UNLOCK(ic);
1880
1881 RT2870_SOFTC_LOCK(sc);
1882
1883 /* turn link LED off */
1884
1885 if (nstate != IEEE80211_S_RUN)
1886 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1887
1888 switch (nstate)
1889 {
1890 case IEEE80211_S_INIT:
1891 rt2870_asic_disable_tsf_sync(sc);
1892 break;
1893
1894 case IEEE80211_S_RUN:
1895 ni = vap->iv_bss;
1896
1897 rt2870_rf_set_chan(sc, ni->ni_chan);
1898
1899 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1900 {
1901 rt2870_asic_enable_mrr(sc);
1902 rt2870_asic_set_txpreamble(sc);
1903 rt2870_asic_set_basicrates(sc);
1904 rt2870_asic_update_txpower(sc);
1905 rt2870_asic_set_bssid(sc, ni->ni_bssid);
1906 }
1907
1908 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1909 vap->iv_opmode == IEEE80211_M_IBSS ||
1910 vap->iv_opmode == IEEE80211_M_MBSS)
1911 {
1912 error = rt2870_asic_update_beacon(sc, vap);
1913 if (error != 0)
1914 break;
1915 }
1916
1917 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1918 rt2870_asic_enable_tsf_sync(sc);
1919
1920 /* turn link LED on */
1921
1922 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1923 {
1924 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
1925 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1926 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
1927 }
1928 break;
1929
1930 default:
1931 break;
1932 }
1933
1934 RT2870_SOFTC_UNLOCK(sc);
1935
1936 IEEE80211_LOCK(ic);
1937
1938 return error;
1939 }
1940
1941 /*
1942 * rt2870_vap_key_update_begin
1943 */
1944 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
1945 {
1946 struct rt2870_softc *sc;
1947 struct ieee80211com *ic;
1948 struct ifnet *ifp;
1949
1950 ic = vap->iv_ic;
1951 ifp = ic->ic_ifp;
1952 sc = ifp->if_softc;
1953
1954 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1955 "%s: VAP key update begin\n",
1956 device_get_nameunit(sc->dev));
1957
1958 taskqueue_block(sc->taskqueue);
1959
1960 IF_LOCK(&ifp->if_snd);
1961 }
1962
1963 /*
1964 * rt2870_vap_key_update_end
1965 */
1966 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
1967 {
1968 struct rt2870_softc *sc;
1969 struct ieee80211com *ic;
1970 struct ifnet *ifp;
1971
1972 ic = vap->iv_ic;
1973 ifp = ic->ic_ifp;
1974 sc = ifp->if_softc;
1975
1976 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1977 "%s: VAP key update end\n",
1978 device_get_nameunit(sc->dev));
1979
1980 IF_UNLOCK(&ifp->if_snd);
1981
1982 taskqueue_unblock(sc->taskqueue);
1983 }
1984
1985 /*
1986 * rt2870_vap_key_set
1987 */
1988 static int rt2870_vap_key_set(struct ieee80211vap *vap,
1989 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
1990 {
1991 struct rt2870_softc *sc;
1992 struct ieee80211com *ic;
1993 struct ifnet *ifp;
1994 struct ieee80211_node *ni;
1995 struct rt2870_cmd_argv_keyset cmd_argv;
1996 uint16_t associd;
1997
1998 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
1999 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2000 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2001 return EINVAL;
2002
2003 ic = vap->iv_ic;
2004 ifp = ic->ic_ifp;
2005 sc = ifp->if_softc;
2006
2007 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2008 ni = vap->iv_bss;
2009 else
2010 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2011
2012 associd = (ni != NULL) ? ni->ni_associd : 0;
2013
2014 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2015 ieee80211_free_node(ni);
2016
2017 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2018 cmd_argv.associd = associd;
2019
2020 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2021 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2022
2023 return 1;
2024 }
2025
2026 /*
2027 * rt2870_vap_key_delete
2028 */
2029 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2030 const struct ieee80211_key *k)
2031 {
2032 struct rt2870_softc *sc;
2033 struct ieee80211com *ic;
2034 struct ifnet *ifp;
2035 struct ieee80211_node *ni;
2036 struct rt2870_cmd_argv_keydelete cmd_argv;
2037 uint16_t associd;
2038
2039 ic = vap->iv_ic;
2040 ifp = ic->ic_ifp;
2041 sc = ifp->if_softc;
2042 ni = vap->iv_bss;
2043 associd = (ni != NULL) ? ni->ni_associd : 0;
2044
2045 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2046 cmd_argv.associd = associd;
2047
2048 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2049 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2050
2051 return 1;
2052 }
2053
2054 /*
2055 * rt2870_vap_update_beacon
2056 */
2057 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2058 {
2059 struct rt2870_softc *sc;
2060 struct ieee80211com *ic;
2061 struct ifnet *ifp;
2062
2063 ic = vap->iv_ic;
2064 ifp = ic->ic_ifp;
2065 sc = ifp->if_softc;
2066
2067 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2068 "%s: VAP update beacon\n",
2069 device_get_nameunit(sc->dev));
2070
2071 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2072 }
2073
2074 /*
2075 * rt2870_node_alloc
2076 */
2077 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2078 const uint8_t mac[IEEE80211_ADDR_LEN])
2079 {
2080 return malloc(sizeof(struct rt2870_softc_node),
2081 M_80211_NODE, M_NOWAIT | M_ZERO);
2082 }
2083
2084 /*
2085 * rt2870_setregdomain
2086 */
2087 static int rt2870_setregdomain(struct ieee80211com *ic,
2088 struct ieee80211_regdomain *reg,
2089 int nchans, struct ieee80211_channel chans[])
2090 {
2091 struct rt2870_softc *sc;
2092 struct ifnet *ifp;
2093
2094 ifp = ic->ic_ifp;
2095 sc = ifp->if_softc;
2096
2097 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2098 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2099 device_get_nameunit(sc->dev),
2100 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2101
2102 return 0;
2103 }
2104
2105 /*
2106 * rt2870_getradiocaps
2107 */
2108 static void rt2870_getradiocaps(struct ieee80211com *ic,
2109 int maxchans, int *nchans, struct ieee80211_channel chans[])
2110 {
2111 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2112
2113 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2114 }
2115
2116 /*
2117 * rt2870_scan_start
2118 */
2119 static void rt2870_scan_start(struct ieee80211com *ic)
2120 {
2121 struct rt2870_softc *sc;
2122 struct ifnet *ifp;
2123
2124 ifp = ic->ic_ifp;
2125 sc = ifp->if_softc;
2126
2127 RT2870_SOFTC_LOCK(sc);
2128
2129 rt2870_asic_disable_tsf_sync(sc);
2130
2131 RT2870_SOFTC_UNLOCK(sc);
2132 }
2133
2134 /*
2135 * rt2870_scan_end
2136 */
2137 static void rt2870_scan_end(struct ieee80211com *ic)
2138 {
2139 struct rt2870_softc *sc;
2140 struct ifnet *ifp;
2141
2142 ifp = ic->ic_ifp;
2143 sc = ifp->if_softc;
2144
2145 RT2870_SOFTC_LOCK(sc);
2146
2147 rt2870_asic_enable_tsf_sync(sc);
2148
2149 RT2870_SOFTC_UNLOCK(sc);
2150 }
2151
2152 /*
2153 * rt2870_set_channel
2154 */
2155 static void rt2870_set_channel(struct ieee80211com *ic)
2156 {
2157 struct rt2870_softc *sc;
2158 struct ifnet *ifp;
2159
2160 ifp = ic->ic_ifp;
2161 sc = ifp->if_softc;
2162
2163 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2164 "%s: set channel: channel=%u, HT%s%s\n",
2165 device_get_nameunit(sc->dev),
2166 ieee80211_chan2ieee(ic, ic->ic_curchan),
2167 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2168 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2169 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2170 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2171
2172 RT2870_SOFTC_LOCK(sc);
2173
2174 rt2870_rf_set_chan(sc, ic->ic_curchan);
2175
2176 RT2870_SOFTC_UNLOCK(sc);
2177 }
2178
2179 /*
2180 * rt2870_newassoc
2181 */
2182 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2183 {
2184 struct rt2870_softc *sc;
2185 struct ieee80211com *ic;
2186 struct ifnet *ifp;
2187 struct ieee80211vap *vap;
2188 struct rt2870_softc_vap *rvap;
2189 uint16_t associd;
2190 uint8_t wcid;
2191
2192 vap = ni->ni_vap;
2193 ic = vap->iv_ic;
2194 ifp = ic->ic_ifp;
2195 sc = ifp->if_softc;
2196 rvap = (struct rt2870_softc_vap *) vap;
2197
2198 associd = (ni != NULL) ? ni->ni_associd : 0;
2199 wcid = RT2870_AID2WCID(associd);
2200
2201 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2202 "%s: new association: wcid=0x%02x, "
2203 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2204 device_get_nameunit(sc->dev), wcid,
2205 ether_sprintf(ni->ni_macaddr),
2206 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2207 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2208 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2209
2210 RT2870_SOFTC_LOCK(sc);
2211
2212 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2213 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2214
2215 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2216
2217 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2218 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2219 device_get_nameunit(sc->dev),
2220 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2221 ni->ni_associd, ni->ni_txrate,
2222 (ni->ni_flags & IEEE80211_NODE_HT) ?
2223 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2224 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2225
2226 rt2870_asic_updateprot(sc);
2227 rt2870_asic_updateslot(sc);
2228 rt2870_asic_set_txpreamble(sc);
2229
2230 RT2870_SOFTC_UNLOCK(sc);
2231 }
2232
2233 /*
2234 * rt2870_updateslot
2235 */
2236 static void rt2870_updateslot(struct ifnet *ifp)
2237 {
2238 struct rt2870_softc *sc;
2239
2240 sc = ifp->if_softc;
2241
2242 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2243 }
2244
2245 /*
2246 * rt2870_update_promisc
2247 */
2248 static void rt2870_update_promisc(struct ifnet *ifp)
2249 {
2250 struct rt2870_softc *sc;
2251
2252 sc = ifp->if_softc;
2253
2254 RT2870_SOFTC_LOCK(sc);
2255
2256 rt2870_asic_update_promisc(sc);
2257
2258 RT2870_SOFTC_UNLOCK(sc);
2259 }
2260
2261 /*
2262 * rt2870_update_mcast
2263 */
2264 static void rt2870_update_mcast(struct ifnet *ifp)
2265 {
2266 struct rt2870_softc *sc;
2267
2268 sc = ifp->if_softc;
2269 }
2270
2271 /*
2272 * rt2870_wme_update
2273 */
2274 static int rt2870_wme_update(struct ieee80211com *ic)
2275 {
2276 struct rt2870_softc *sc;
2277 struct ifnet *ifp;
2278
2279 ifp = ic->ic_ifp;
2280 sc = ifp->if_softc;
2281
2282 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2283
2284 return 0;
2285 }
2286
2287 /*
2288 * rt2870_raw_xmit
2289 */
2290 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2291 const struct ieee80211_bpf_params *params)
2292 {
2293 struct rt2870_softc *sc;
2294 struct ieee80211com *ic;
2295 struct ifnet *ifp;
2296
2297 ic = ni->ni_ic;
2298 ifp = ic->ic_ifp;
2299 sc = ifp->if_softc;
2300
2301 RT2870_SOFTC_LOCK(sc);
2302
2303 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2304 {
2305 RT2870_SOFTC_UNLOCK(sc);
2306
2307 m_freem(m);
2308 ieee80211_free_node(ni);
2309
2310 return ENETDOWN;
2311 }
2312
2313 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2314 {
2315 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2316 "%s: raw xmit: Tx ring with qid=%d is full\n",
2317 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2318
2319 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2320
2321 RT2870_SOFTC_UNLOCK(sc);
2322
2323 m_freem(m);
2324 ieee80211_free_node(ni);
2325
2326 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2327
2328 return ENOBUFS;
2329 }
2330
2331 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2332 {
2333 ifp->if_oerrors++;
2334
2335 RT2870_SOFTC_UNLOCK(sc);
2336
2337 ieee80211_free_node(ni);
2338
2339 return EIO;
2340 }
2341
2342 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2343
2344 RT2870_SOFTC_UNLOCK(sc);
2345
2346 return 0;
2347 }
2348
2349 /*
2350 * rt2870_recv_action
2351 */
2352 static int rt2870_recv_action(struct ieee80211_node *ni,
2353 const struct ieee80211_frame *wh,
2354 const uint8_t *frm, const uint8_t *efrm)
2355 {
2356 struct rt2870_softc *sc;
2357 struct ieee80211com *ic;
2358 struct ifnet *ifp;
2359 const struct ieee80211_action *ia;
2360 uint16_t associd, status, baparamset;
2361 uint8_t wcid;
2362 int ret, tid, bufsize;
2363 uint32_t tmp;
2364
2365 ic = ni->ni_ic;
2366 ifp = ic->ic_ifp;
2367 sc = ifp->if_softc;
2368
2369 ia = (const struct ieee80211_action *) frm;
2370
2371 ret = sc->recv_action(ni, wh, frm, efrm);
2372
2373 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2374 return ret;
2375
2376 associd = (ni != NULL) ? ni->ni_associd : 0;
2377 wcid = RT2870_AID2WCID(associd);
2378
2379 switch (ia->ia_action)
2380 {
2381 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2382 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2383 baparamset = LE_READ_2(frm + 3);
2384 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2385 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2386
2387 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2388 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2389 device_get_nameunit(sc->dev), associd, tid, bufsize);
2390
2391 RT2870_SOFTC_LOCK(sc);
2392
2393 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2394
2395 tmp |= (0x10000 << tid);
2396
2397 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2398
2399 RT2870_SOFTC_UNLOCK(sc);
2400 break;
2401
2402 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2403 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2404 status = LE_READ_2(frm + 3);
2405 baparamset = LE_READ_2(frm + 4);
2406 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2407 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2408
2409 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2410 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2411 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2412
2413 if (status == IEEE80211_STATUS_SUCCESS)
2414 {
2415 sc->tx_ampdu_sessions++;
2416
2417 RT2870_SOFTC_LOCK(sc);
2418
2419 rt2870_asic_updateprot(sc);
2420
2421 RT2870_SOFTC_UNLOCK(sc);
2422 }
2423 break;
2424
2425 /* IEEE80211_ACTION_BA_DELBA */
2426 case IEEE80211_ACTION_BA_DELBA:
2427 baparamset = LE_READ_2(frm + 2);
2428 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2429
2430 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2431 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2432 device_get_nameunit(sc->dev), associd, tid);
2433
2434 RT2870_SOFTC_LOCK(sc);
2435
2436 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2437
2438 tmp &= ~(0x10000 << tid);
2439
2440 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2441
2442 RT2870_SOFTC_UNLOCK(sc);
2443 break;
2444 }
2445
2446 return ret;
2447 }
2448
2449 /*
2450 * rt2870_send_action
2451 */
2452 static int rt2870_send_action(struct ieee80211_node *ni,
2453 int cat, int act, void *sa)
2454 {
2455 struct rt2870_softc *sc;
2456 struct ieee80211com *ic;
2457 struct ifnet *ifp;
2458 uint16_t associd, *args, baparamset;
2459 uint8_t wcid;
2460 int ret, tid;
2461 uint32_t tmp;
2462
2463 ic = ni->ni_ic;
2464 ifp = ic->ic_ifp;
2465 sc = ifp->if_softc;
2466
2467 ret = sc->send_action(ni, cat, act, sa);
2468
2469 if (cat != IEEE80211_ACTION_CAT_BA)
2470 return ret;
2471
2472 associd = (ni != NULL) ? ni->ni_associd : 0;
2473 wcid = RT2870_AID2WCID(associd);
2474 args = sa;
2475
2476 switch (act)
2477 {
2478 /* IEEE80211_ACTION_BA_DELBA */
2479 case IEEE80211_ACTION_BA_DELBA:
2480 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2481
2482 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2483
2484 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2485 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2486 device_get_nameunit(sc->dev), associd, tid);
2487
2488 RT2870_SOFTC_LOCK(sc);
2489
2490 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2491 {
2492 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2493
2494 tmp &= ~(0x10000 << tid);
2495
2496 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2497 }
2498 else
2499 {
2500 sc->tx_ampdu_sessions--;
2501
2502 rt2870_asic_updateprot(sc);
2503 }
2504
2505 RT2870_SOFTC_UNLOCK(sc);
2506 break;
2507 }
2508
2509 return ret;
2510 }
2511
2512 /*
2513 * rt2870_amrr_update_iter_func
2514 */
2515 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2516 {
2517 struct rt2870_softc *sc;
2518 struct ieee80211com *ic;
2519 struct ifnet *ifp;
2520 struct ieee80211vap *vap;
2521 struct rt2870_softc_vap *rvap;
2522 uint8_t wcid;
2523
2524 vap = arg;
2525 ic = vap->iv_ic;
2526 ifp = ic->ic_ifp;
2527 sc = ifp->if_softc;
2528 rvap = (struct rt2870_softc_vap *) vap;
2529
2530 /* only associated stations */
2531
2532 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2533 {
2534 wcid = RT2870_AID2WCID(ni->ni_associd);
2535
2536 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2537 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2538 device_get_nameunit(sc->dev),
2539 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2540
2541 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2542
2543 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2544 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2545 device_get_nameunit(sc->dev),
2546 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2547 ni->ni_associd, ni->ni_txrate,
2548 (ni->ni_flags & IEEE80211_NODE_HT) ?
2549 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2550 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2551 }
2552 }
2553
2554 /*
2555 * rt2870_periodic
2556 */
2557 static void rt2870_periodic(void *arg)
2558 {
2559 struct rt2870_softc *sc;
2560 struct ifnet *ifp;
2561
2562 sc = arg;
2563 ifp = sc->ifp;
2564
2565 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2566 "%s: periodic\n",
2567 device_get_nameunit(sc->dev));
2568
2569 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2570 return;
2571
2572 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2573 }
2574
2575 /*
2576 * rt2870_tx_watchdog
2577 */
2578 static void rt2870_tx_watchdog(void *arg)
2579 {
2580 struct rt2870_softc *sc;
2581 struct ifnet *ifp;
2582
2583 sc = arg;
2584 ifp = sc->ifp;
2585
2586 if (sc->tx_timer == 0)
2587 return;
2588
2589 if (--sc->tx_timer == 0)
2590 {
2591 printf("%s: Tx watchdog timeout: resetting\n",
2592 device_get_nameunit(sc->dev));
2593
2594 rt2870_stop_locked(sc);
2595 rt2870_init_locked(sc);
2596
2597 ifp->if_oerrors++;
2598
2599 sc->tx_watchdog_timeouts++;
2600 }
2601
2602 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2603 }
2604
2605 /*
2606 * rt2870_do_async
2607 */
2608 static int rt2870_do_async(struct rt2870_softc *sc,
2609 void (*cb)(struct rt2870_softc *sc, void *arg),
2610 void *arg, int len)
2611 {
2612 struct ifnet *ifp;
2613 struct rt2870_softc_cmd_ring *ring;
2614 struct rt2870_softc_cmd *cmd;
2615 int run_cmd_task;
2616
2617 ifp = sc->ifp;
2618 ring = &sc->cmd_ring;
2619
2620 RT2870_SOFTC_LOCK(sc);
2621
2622 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2623 {
2624 RT2870_SOFTC_UNLOCK(sc);
2625 return -1;
2626 }
2627
2628 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2629 {
2630 RT2870_SOFTC_UNLOCK(sc);
2631 return -1;
2632 }
2633
2634 cmd = STAILQ_FIRST(&ring->inactive);
2635 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2636
2637 cmd->cb = cb;
2638
2639 if(arg != NULL)
2640 memcpy(cmd->data, arg, len);
2641
2642 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2643 ring->queued++;
2644
2645 run_cmd_task = (ring->queued == 1);
2646
2647 RT2870_SOFTC_UNLOCK(sc);
2648
2649 if (run_cmd_task)
2650 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2651
2652 return 0;
2653 }
2654
2655 /*
2656 * rt2870_updateslot_cb
2657 */
2658 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2659 {
2660 RT2870_SOFTC_LOCK(sc);
2661
2662 rt2870_asic_updateslot(sc);
2663
2664 RT2870_SOFTC_UNLOCK(sc);
2665 }
2666
2667 /*
2668 * rt2870_wme_update_cb
2669 */
2670 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2671 {
2672 RT2870_SOFTC_LOCK(sc);
2673
2674 rt2870_asic_wme_update(sc);
2675
2676 RT2870_SOFTC_UNLOCK(sc);
2677 }
2678
2679 /*
2680 * rt2870_vap_key_set_cb
2681 */
2682 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
2683 {
2684 struct ieee80211com *ic;
2685 struct ifnet *ifp;
2686 struct ieee80211vap *vap;
2687 struct ieee80211_key *k;
2688 struct rt2870_cmd_argv_keyset *cmd_argv;
2689 uint16_t associd, key_base, keymode_base;
2690 uint8_t mode, vapid, wcid, iv[8];
2691 uint32_t tmp;
2692
2693 ifp = sc->ifp;
2694 ic = ifp->if_l2com;
2695 vap = TAILQ_FIRST(&ic->ic_vaps);
2696 cmd_argv = arg;
2697 k = &cmd_argv->key;
2698 associd = cmd_argv->associd;
2699
2700 switch (k->wk_cipher->ic_cipher)
2701 {
2702 case IEEE80211_CIPHER_WEP:
2703 if(k->wk_keylen < 8)
2704 mode = RT2870_REG_CIPHER_MODE_WEP40;
2705 else
2706 mode = RT2870_REG_CIPHER_MODE_WEP104;
2707 break;
2708
2709 case IEEE80211_CIPHER_TKIP:
2710 mode = RT2870_REG_CIPHER_MODE_TKIP;
2711 break;
2712
2713 case IEEE80211_CIPHER_AES_CCM:
2714 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2715 break;
2716
2717 default:
2718 return;
2719 }
2720
2721 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2722 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2723 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2724 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2725
2726 RT2870_SOFTC_LOCK(sc);
2727
2728 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2729 {
2730 /* install pairwise key */
2731
2732 vapid = 0;
2733 wcid = RT2870_AID2WCID(associd);
2734 key_base = RT2870_REG_PKEY(wcid);
2735
2736 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2737 {
2738 memset(iv, 0, 8);
2739
2740 iv[3] = (k->wk_keyix << 6);
2741 }
2742 else
2743 {
2744 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2745 {
2746 iv[0] = (k->wk_keytsc >> 8);
2747 iv[1] = ((iv[0] | 0x20) & 0x7f);
2748 iv[2] = k->wk_keytsc;
2749 }
2750 else
2751 {
2752 /* AES CCMP */
2753
2754 iv[0] = k->wk_keytsc;
2755 iv[1] = k->wk_keytsc >> 8;
2756 iv[2] = 0;
2757 }
2758
2759 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2760 iv[4] = (k->wk_keytsc >> 16);
2761 iv[5] = (k->wk_keytsc >> 24);
2762 iv[6] = (k->wk_keytsc >> 32);
2763 iv[7] = (k->wk_keytsc >> 40);
2764
2765 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2766 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2767 device_get_nameunit(sc->dev),
2768 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2769 }
2770
2771 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2772
2773 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2774 {
2775 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2776
2777 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2778 {
2779 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2780 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2781 }
2782 else
2783 {
2784 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2785 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2786 }
2787 }
2788 else
2789 {
2790 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2791 }
2792
2793 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2794 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2795
2796 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2797 }
2798
2799 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2800 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2801 {
2802 /* install group key */
2803
2804 vapid = 0;
2805 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2806 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2807
2808 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2809 {
2810 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2811
2812 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2813 {
2814 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2815 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2816 }
2817 else
2818 {
2819 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2820 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2821 }
2822 }
2823 else
2824 {
2825 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2826 }
2827
2828 tmp = rt2870_io_mac_read(sc, keymode_base);
2829
2830 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2831 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2832
2833 rt2870_io_mac_write(sc, keymode_base, tmp);
2834 }
2835
2836 RT2870_SOFTC_UNLOCK(sc);
2837 }
2838
2839 /*
2840 * rt2870_vap_key_delete_cb
2841 */
2842 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2843 {
2844 struct ieee80211_key *k;
2845 struct rt2870_cmd_argv_keydelete *cmd_argv;
2846 uint16_t associd;
2847 uint8_t vapid, wcid;
2848 uint32_t tmp;
2849
2850 cmd_argv = arg;
2851 k = &cmd_argv->key;
2852 associd = cmd_argv->associd;
2853
2854 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2855 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2856 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2857 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2858
2859 RT2870_SOFTC_LOCK(sc);
2860
2861 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2862 {
2863 /* remove pairwise key */
2864
2865 vapid = 0;
2866 wcid = RT2870_AID2WCID(associd);
2867
2868 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2869 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2870
2871 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2872 }
2873 else
2874 {
2875 /* remove group key */
2876
2877 vapid = 0;
2878
2879 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2880
2881 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2882 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2883
2884 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2885 }
2886
2887 RT2870_SOFTC_UNLOCK(sc);
2888 }
2889
2890 /*
2891 * rt2870_vap_update_beacon_cb
2892 */
2893 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2894 {
2895 struct ifnet *ifp;
2896 struct ieee80211com *ic;
2897 struct ieee80211vap *vap;
2898
2899 ifp = sc->ifp;
2900 ic = ifp->if_l2com;
2901 vap = TAILQ_FIRST(&ic->ic_vaps);
2902
2903 if (vap == NULL)
2904 return;
2905
2906 RT2870_SOFTC_LOCK(sc);
2907
2908 rt2870_asic_update_beacon(sc, vap);
2909
2910 RT2870_SOFTC_UNLOCK(sc);
2911 }
2912
2913 /*
2914 * rt2870_asic_set_bssid
2915 */
2916 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2917 const uint8_t *bssid)
2918 {
2919 uint32_t tmp;
2920
2921 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2922 "%s: set bssid: bssid=%s\n",
2923 device_get_nameunit(sc->dev),
2924 ether_sprintf(bssid));
2925
2926 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2927
2928 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2929
2930 tmp = bssid[4] | (bssid[5] << 8);
2931
2932 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2933 }
2934
2935 /*
2936 * rt2870_asic_set_macaddr
2937 */
2938 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2939 const uint8_t *addr)
2940 {
2941 uint32_t tmp;
2942
2943 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2944
2945 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2946
2947 tmp = addr[4] | (addr[5] << 8);
2948
2949 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2950 }
2951
2952 /*
2953 * rt2870_asic_enable_tsf_sync
2954 */
2955 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2956 {
2957 struct ifnet *ifp;
2958 struct ieee80211com *ic;
2959 struct ieee80211vap *vap;
2960 uint32_t tmp;
2961
2962 ifp = sc->ifp;
2963 ic = ifp->if_l2com;
2964 vap = TAILQ_FIRST(&ic->ic_vaps);
2965
2966 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2967 "%s: enabling TSF\n",
2968 device_get_nameunit(sc->dev));
2969
2970 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2971
2972 tmp &= ~0x1fffff;
2973 tmp |= vap->iv_bss->ni_intval * 16;
2974 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2975
2976 if (vap->iv_opmode == IEEE80211_M_STA)
2977 {
2978 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2979 }
2980 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2981 {
2982 tmp |= RT2870_REG_BCN_TX_ENABLE;
2983 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2984 }
2985 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2986 {
2987 tmp |= RT2870_REG_BCN_TX_ENABLE;
2988 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2989 }
2990
2991 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2992 }
2993
2994 /*
2995 * rt2870_asic_disable_tsf_sync
2996 */
2997 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2998 {
2999 uint32_t tmp;
3000
3001 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3002 "%s: disabling TSF\n",
3003 device_get_nameunit(sc->dev));
3004
3005 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3006
3007 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3008 RT2870_REG_TSF_TIMER_ENABLE |
3009 RT2870_REG_TBTT_TIMER_ENABLE);
3010
3011 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3012 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3013
3014 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3015 }
3016
3017 /*
3018 * rt2870_asic_enable_mrr
3019 */
3020 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3021 {
3022 #define CCK(mcs) (mcs)
3023 #define OFDM(mcs) ((1 << 3) | (mcs))
3024 #define HT(mcs) (mcs)
3025
3026 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3027 (OFDM(6) << 28) | /* 54 -> 48 */
3028 (OFDM(5) << 24) | /* 48 -> 36 */
3029 (OFDM(4) << 20) | /* 36 -> 24 */
3030 (OFDM(3) << 16) | /* 24 -> 18 */
3031 (OFDM(2) << 12) | /* 18 -> 12 */
3032 (OFDM(1) << 8) | /* 12 -> 9 */
3033 (OFDM(0) << 4) | /* 9 -> 6 */
3034 OFDM(0)); /* 6 -> 6 */
3035
3036 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3037 (CCK(2) << 12) | /* 11 -> 5.5 */
3038 (CCK(1) << 8) | /* 5.5 -> 2 */
3039 (CCK(0) << 4) | /* 2 -> 1 */
3040 CCK(0)); /* 1 -> 1 */
3041
3042 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3043 (HT(6) << 28) |
3044 (HT(5) << 24) |
3045 (HT(4) << 20) |
3046 (HT(3) << 16) |
3047 (HT(2) << 12) |
3048 (HT(1) << 8) |
3049 (HT(0) << 4) |
3050 HT(0));
3051
3052 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3053 (HT(14) << 28) |
3054 (HT(13) << 24) |
3055 (HT(12) << 20) |
3056 (HT(11) << 16) |
3057 (HT(10) << 12) |
3058 (HT(9) << 8) |
3059 (HT(8) << 4) |
3060 HT(7));
3061
3062 #undef HT
3063 #undef OFDM
3064 #undef CCK
3065 }
3066
3067 /*
3068 * rt2870_asic_set_txpreamble
3069 */
3070 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3071 {
3072 struct ifnet *ifp;
3073 struct ieee80211com *ic;
3074 uint32_t tmp;
3075
3076 ifp = sc->ifp;
3077 ic = ifp->if_l2com;
3078
3079 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3080 "%s: %s short Tx preamble\n",
3081 device_get_nameunit(sc->dev),
3082 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3083
3084 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3085
3086 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3087
3088 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3089 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3090
3091 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3092 }
3093
3094 /*
3095 * rt2870_asic_set_basicrates
3096 */
3097 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3098 {
3099 struct ifnet *ifp;
3100 struct ieee80211com *ic;
3101
3102 ifp = sc->ifp;
3103 ic = ifp->if_l2com;
3104
3105 if (ic->ic_curmode == IEEE80211_MODE_11B)
3106 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3107 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3108 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3109 else
3110 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3111 }
3112
3113 /*
3114 * rt2870_asic_update_rtsthreshold
3115 */
3116 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3117 {
3118 struct ifnet *ifp;
3119 struct ieee80211com *ic;
3120 struct ieee80211vap *vap;
3121 uint32_t tmp;
3122 uint16_t threshold;
3123
3124 ifp = sc->ifp;
3125 ic = ifp->if_l2com;
3126 vap = TAILQ_FIRST(&ic->ic_vaps);
3127
3128 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3129 "%s: updating RTS threshold: %d\n",
3130 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3131
3132 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3133
3134 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3135
3136 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3137 threshold = 0x1000;
3138 else
3139 threshold = vap->iv_rtsthreshold;
3140
3141 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3142 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3143
3144 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3145 }
3146
3147 /*
3148 * rt2870_asic_update_txpower
3149 */
3150 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3151 {
3152 struct ifnet *ifp;
3153 struct ieee80211com *ic;
3154 uint32_t *txpow_rate;
3155 int8_t delta;
3156 uint8_t val;
3157 uint32_t tmp;
3158 int i;
3159
3160 ifp = sc->ifp;
3161 ic = ifp->if_l2com;
3162
3163 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3164 "%s: updating Tx power: %d\n",
3165 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3166
3167 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3168 {
3169 txpow_rate = sc->txpow_rate_20mhz;
3170 }
3171 else
3172 {
3173 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3174 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3175 else
3176 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3177 }
3178
3179 delta = 0;
3180
3181 val = rt2870_io_bbp_read(sc, 1);
3182 val &= 0xfc;
3183
3184 if (ic->ic_txpowlimit > 90)
3185 {
3186 /* do nothing */
3187 }
3188 else if (ic->ic_txpowlimit > 60)
3189 {
3190 delta -= 1;
3191 }
3192 else if (ic->ic_txpowlimit > 30)
3193 {
3194 delta -= 3;
3195 }
3196 else if (ic->ic_txpowlimit > 15)
3197 {
3198 val |= 0x1;
3199 }
3200 else if (ic->ic_txpowlimit > 9)
3201 {
3202 val |= 0x1;
3203 delta -= 3;
3204 }
3205 else
3206 {
3207 val |= 0x2;
3208 }
3209
3210 rt2870_io_bbp_write(sc, 1, val);
3211
3212 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3213 {
3214 if (txpow_rate[i] == 0xffffffff)
3215 continue;
3216
3217 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3218
3219 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3220 }
3221 }
3222
3223 /*
3224 * rt2870_asic_update_promisc
3225 */
3226 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3227 {
3228 struct ifnet *ifp;
3229 uint32_t tmp;
3230
3231 ifp = sc->ifp;
3232
3233 printf("%s: %s promiscuous mode\n",
3234 device_get_nameunit(sc->dev),
3235 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3236
3237 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3238
3239 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3240
3241 if (!(ifp->if_flags & IFF_PROMISC))
3242 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3243
3244 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3245 }
3246
3247 /*
3248 * rt2870_asic_updateprot
3249 */
3250 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3251 {
3252 struct ifnet *ifp;
3253 struct ieee80211com *ic;
3254 struct ieee80211vap *vap;
3255 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3256 uint8_t htopmode;
3257 enum ieee80211_protmode htprotmode;
3258
3259 ifp = sc->ifp;
3260 ic = ifp->if_l2com;
3261 vap = TAILQ_FIRST(&ic->ic_vaps);
3262
3263 /* CCK frame protection */
3264
3265 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3266 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3267
3268 /* set up protection frame phy mode and rate (MCS code) */
3269
3270 if (ic->ic_curmode == IEEE80211_MODE_11A)
3271 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3272 (0 << RT2870_REG_PROT_MCS_SHIFT);
3273 else
3274 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3275 (3 << RT2870_REG_PROT_MCS_SHIFT));
3276
3277 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3278
3279 /* OFDM frame protection */
3280
3281 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3282 RT2870_REG_TXOP_ALLOW_ALL;
3283
3284 if (ic->ic_flags & IEEE80211_F_USEPROT)
3285 {
3286 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3287 "%s: updating protection mode: b/g protection mode=%s\n",
3288 device_get_nameunit(sc->dev),
3289 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3290 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3291
3292 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3293 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3294 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3295 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3296 else
3297 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3298 }
3299 else
3300 {
3301 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3302 "%s: updating protection mode: b/g protection mode=%s\n",
3303 device_get_nameunit(sc->dev), "none");
3304
3305 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3306 }
3307
3308 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3309
3310 /* HT frame protection */
3311
3312 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3313 htopmode = vap->iv_bss->ni_htopmode;
3314 else
3315 htopmode = ic->ic_curhtprotmode;
3316
3317 htprotmode = ic->ic_htprotmode;
3318
3319 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3320
3321 if (sc->tx_ampdu_sessions > 0)
3322 {
3323 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3324 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3325 device_get_nameunit(sc->dev));
3326
3327 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3328 htprotmode = IEEE80211_PROT_RTSCTS;
3329 }
3330
3331 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3332 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3333 device_get_nameunit(sc->dev),
3334 htopmode & IEEE80211_HTINFO_OPMODE,
3335 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3336 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3337
3338 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3339 {
3340 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3341 case IEEE80211_HTINFO_OPMODE_HT20PR:
3342 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3343 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3344 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3345 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3346 (4 << RT2870_REG_PROT_MCS_SHIFT);
3347
3348 gf20_prot = mm20_prot;
3349
3350 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3351 RT2870_REG_TXOP_ALLOW_ALL |
3352 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3353 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3354
3355 if (htprotmode == IEEE80211_PROT_RTSCTS)
3356 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3357 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3358 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3359 else
3360 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3361
3362 gf40_prot = mm40_prot;
3363 break;
3364
3365 /* IEEE80211_HTINFO_OPMODE_MIXED */
3366 case IEEE80211_HTINFO_OPMODE_MIXED:
3367 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3368 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3369 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3370
3371 if (ic->ic_flags & IEEE80211_F_USEPROT)
3372 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3373 (3 << RT2870_REG_PROT_MCS_SHIFT);
3374 else
3375 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3376 (4 << RT2870_REG_PROT_MCS_SHIFT);
3377
3378 if (htprotmode == IEEE80211_PROT_RTSCTS)
3379 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3380 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3381 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3382 else
3383 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3384
3385 gf20_prot = mm20_prot;
3386
3387 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3388
3389 if (ic->ic_flags & IEEE80211_F_USEPROT)
3390 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3391 (3 << RT2870_REG_PROT_MCS_SHIFT);
3392 else
3393 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3394 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3395
3396 if (htprotmode == IEEE80211_PROT_RTSCTS)
3397 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3398 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3399 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3400 else
3401 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3402
3403 gf40_prot = mm40_prot;
3404 break;
3405
3406 /*
3407 * IEEE80211_HTINFO_OPMODE_PURE
3408 * IEEE80211_HTINFO_OPMODE_PROTOPT
3409 */
3410 case IEEE80211_HTINFO_OPMODE_PURE:
3411 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3412 default:
3413 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3414 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3415 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3416 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3417 (4 << RT2870_REG_PROT_MCS_SHIFT);
3418
3419 gf20_prot = mm20_prot;
3420
3421 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3422 RT2870_REG_TXOP_ALLOW_ALL |
3423 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3424 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3425
3426 gf40_prot = mm40_prot;
3427 break;
3428 }
3429
3430 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3431 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3432 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3433 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3434 }
3435
3436 /*
3437 * rt2870_asic_updateslot
3438 */
3439 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3440 {
3441 struct ifnet *ifp;
3442 struct ieee80211com *ic;
3443 uint32_t tmp;
3444
3445 ifp = sc->ifp;
3446 ic = ifp->if_l2com;
3447
3448 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3449 "%s: %s short slot time\n",
3450 device_get_nameunit(sc->dev),
3451 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3452
3453 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3454
3455 tmp &= ~0xff;
3456 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3457
3458 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3459 }
3460
3461 /*
3462 * rt2870_asic_wme_update
3463 */
3464 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3465 {
3466 struct ifnet *ifp;
3467 struct ieee80211com *ic;
3468 struct ieee80211_wme_state *wme;
3469 const struct wmeParams *wmep;
3470 int i;
3471
3472 ifp = sc->ifp;
3473 ic = ifp->if_l2com;
3474 wme = &ic->ic_wme;
3475 wmep = wme->wme_chanParams.cap_wmeParams;
3476
3477 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3478 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3479 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3480 device_get_nameunit(sc->dev),
3481 wmep[WME_AC_VO].wmep_aifsn,
3482 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3483 wmep[WME_AC_VO].wmep_txopLimit,
3484 wmep[WME_AC_VI].wmep_aifsn,
3485 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3486 wmep[WME_AC_VI].wmep_txopLimit,
3487 wmep[WME_AC_BK].wmep_aifsn,
3488 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3489 wmep[WME_AC_BK].wmep_txopLimit,
3490 wmep[WME_AC_BE].wmep_aifsn,
3491 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3492 wmep[WME_AC_BE].wmep_txopLimit);
3493
3494 for (i = 0; i < WME_NUM_AC; i++)
3495 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3496 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3497 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3498
3499 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3500 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3501 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3502
3503 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3504 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3505 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3506
3507 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3508 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3509 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3510
3511 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3512 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3513
3514 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3515 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3516 }
3517
3518 /*
3519 * rt2870_asic_update_beacon
3520 */
3521 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
3522 struct ieee80211vap *vap)
3523 {
3524 struct ifnet *ifp;
3525 struct ieee80211com *ic;
3526 struct rt2870_softc_vap *rvap;
3527 const struct ieee80211_txparam *tp;
3528 struct mbuf *m;
3529 struct rt2870_txwi txwi;
3530 uint8_t rate, mcs;
3531 uint32_t tmp;
3532
3533 ifp = sc->ifp;
3534 ic = ifp->if_l2com;
3535 rvap = (struct rt2870_softc_vap *) vap;
3536 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3537
3538 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3539 if (m == NULL)
3540 return ENOMEM;
3541
3542 rate = tp->mgmtrate;
3543 mcs = rt2870_rate2mcs(rate);
3544
3545 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3546
3547 txwi.wcid = 0xff;
3548 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3549 RT2870_TXWI_MPDU_LEN_SHIFT);
3550 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3551 txwi.mpdu_density_flags |=
3552 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3553 txwi.bawin_size_xflags |=
3554 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3555
3556 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3557 {
3558 txwi.phymode_ifs_stbc_shortgi =
3559 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3560
3561 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3562 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3563 }
3564 else
3565 {
3566 txwi.phymode_ifs_stbc_shortgi =
3567 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3568 }
3569
3570 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3571 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3572
3573 /* disable temporarily TSF sync */
3574
3575 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3576
3577 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3578 RT2870_REG_TSF_TIMER_ENABLE |
3579 RT2870_REG_TBTT_TIMER_ENABLE);
3580
3581 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3582
3583 /* write Tx wireless info and beacon frame to on-chip memory */
3584
3585 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3586 &txwi, sizeof(struct rt2870_txwi));
3587
3588 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3589 mtod(m, uint8_t *), m->m_pkthdr.len);
3590
3591 /* enable again TSF sync */
3592
3593 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3594
3595 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3596 RT2870_REG_TSF_TIMER_ENABLE |
3597 RT2870_REG_TBTT_TIMER_ENABLE);
3598
3599 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3600
3601 m_freem(m);
3602
3603 return 0;
3604 }
3605
3606 /*
3607 * rt2870_asic_clear_keytables
3608 */
3609 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3610 {
3611 int i;
3612
3613 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3614
3615 for (i = 0; i < 256; i++)
3616 {
3617 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3618 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3619 }
3620
3621 /* clear WCID attribute table (entries = 256, entry size = 4) */
3622
3623 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3624
3625 /* clear IV/EIV table (entries = 256, entry size = 8) */
3626
3627 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3628
3629 /* clear pairwise key table (entries = 256, entry size = 32) */
3630
3631 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3632
3633 /* clear shared key table (entries = 32, entry size = 32) */
3634
3635 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3636
3637 /* clear shared key mode (entries = 32, entry size = 2) */
3638
3639 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3640 }
3641
3642 /*
3643 * rt2870_rxrate
3644 */
3645 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3646 {
3647 uint8_t mcs, phymode;
3648 uint8_t rate;
3649
3650 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3651 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3652 RT2870_RXWI_PHYMODE_MASK;
3653
3654 rate = 2;
3655
3656 switch (phymode)
3657 {
3658 case RT2870_RXWI_PHYMODE_CCK:
3659 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3660 {
3661 case 0: rate = 2; break; /* 1 Mbps */
3662 case 1: rate = 4; break; /* 2 MBps */
3663 case 2: rate = 11; break; /* 5.5 Mbps */
3664 case 3: rate = 22; break; /* 11 Mbps */
3665 }
3666 break;
3667
3668 case RT2870_RXWI_PHYMODE_OFDM:
3669 switch (mcs)
3670 {
3671 case 0: rate = 12; break; /* 6 Mbps */
3672 case 1: rate = 18; break; /* 9 Mbps */
3673 case 2: rate = 24; break; /* 12 Mbps */
3674 case 3: rate = 36; break; /* 18 Mbps */
3675 case 4: rate = 48; break; /* 24 Mbps */
3676 case 5: rate = 72; break; /* 36 Mbps */
3677 case 6: rate = 96; break; /* 48 Mbps */
3678 case 7: rate = 108; break; /* 54 Mbps */
3679 }
3680 break;
3681
3682 case RT2870_RXWI_PHYMODE_HT_MIXED:
3683 case RT2870_RXWI_PHYMODE_HT_GF:
3684 break;
3685 }
3686
3687 return rate;
3688 }
3689
3690 /*
3691 * rt2870_maxrssi_rxpath
3692 */
3693 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3694 const struct rt2870_rxwi *rxwi)
3695 {
3696 uint8_t rxpath;
3697
3698 rxpath = 0;
3699
3700 if (sc->nrxpath > 1)
3701 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3702 rxpath = 1;
3703
3704 if (sc->nrxpath > 2)
3705 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3706 rxpath = 2;
3707
3708 return rxpath;
3709 }
3710
3711 /*
3712 * rt2870_rssi2dbm
3713 */
3714 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3715 uint8_t rssi, uint8_t rxpath)
3716 {
3717 struct ifnet *ifp;
3718 struct ieee80211com *ic;
3719 struct ieee80211_channel *c;
3720 int chan;
3721 int8_t rssi_off, lna_gain;
3722
3723 if (rssi == 0)
3724 return -99;
3725
3726 ifp = sc->ifp;
3727 ic = ifp->if_l2com;
3728 c = ic->ic_curchan;
3729 chan = ieee80211_chan2ieee(ic, c);
3730
3731 if (IEEE80211_IS_CHAN_5GHZ(c))
3732 {
3733 rssi_off = sc->rssi_off_5ghz[rxpath];
3734
3735 if (chan <= 64)
3736 lna_gain = sc->lna_gain[1];
3737 else if (chan <= 128)
3738 lna_gain = sc->lna_gain[2];
3739 else
3740 lna_gain = sc->lna_gain[3];
3741 }
3742 else
3743 {
3744 rssi_off = sc->rssi_off_2ghz[rxpath];
3745 lna_gain = sc->lna_gain[0];
3746 }
3747
3748 return (-12 - rssi_off - lna_gain - rssi);
3749 }
3750
3751 /*
3752 * rt2870_rate2mcs
3753 */
3754 static uint8_t rt2870_rate2mcs(uint8_t rate)
3755 {
3756 switch (rate)
3757 {
3758 /* CCK rates */
3759 case 2: return 0;
3760 case 4: return 1;
3761 case 11: return 2;
3762 case 22: return 3;
3763
3764 /* OFDM rates */
3765 case 12: return 0;
3766 case 18: return 1;
3767 case 24: return 2;
3768 case 36: return 3;
3769 case 48: return 4;
3770 case 72: return 5;
3771 case 96: return 6;
3772 case 108: return 7;
3773 }
3774
3775 return 0;
3776 }
3777
3778 /*
3779 * rt2870_rx_frame
3780 */
3781 static void rt2870_rx_frame(struct rt2870_softc *sc,
3782 uint8_t *buf, uint32_t dmalen)
3783 {
3784 struct ifnet *ifp;
3785 struct ieee80211com *ic;
3786 struct ieee80211_frame *wh;
3787 struct ieee80211_node *ni;
3788 struct rt2870_softc_node *rni;
3789 struct rt2870_softc_rx_radiotap_header *tap;
3790 struct rt2870_rxwi *rxwi;
3791 struct rt2870_rxinfo *rxinfo;
3792 struct mbuf *m;
3793 uint32_t rxinfo_flags;
3794 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3795 int8_t rssi_dbm;
3796 int len, ampdu, amsdu, rssi_dbm_rel, i;
3797
3798 ifp = sc->ifp;
3799 ic = ifp->if_l2com;
3800
3801 /* get Rx wireless info */
3802
3803 rxwi = (struct rt2870_rxwi *) buf;
3804 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3805 RT2870_RXWI_SIZE_MASK;
3806
3807 if (len > dmalen)
3808 {
3809 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3810 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3811 device_get_nameunit(sc->dev), dmalen, len);
3812 return;
3813 }
3814
3815 /* get Rx info */
3816
3817 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3818 rxinfo_flags = le32toh(rxinfo->flags);
3819
3820 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3821 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3822 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3823
3824 /* check for crc errors */
3825
3826 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3827 {
3828 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3829 "%s: rxinfo: crc error\n",
3830 device_get_nameunit(sc->dev));
3831
3832 ifp->if_ierrors++;
3833
3834 if (!(ifp->if_flags & IFF_PROMISC))
3835 return;
3836 }
3837
3838 wh = (struct ieee80211_frame *) (rxwi + 1);
3839
3840 /* check for L2 padding between IEEE 802.11 frame header and body */
3841
3842 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3843 {
3844 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3845 "%s: L2 padding: DMA len=%d, len=%d\n",
3846 device_get_nameunit(sc->dev), dmalen, len);
3847
3848 len += 2;
3849 }
3850
3851 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3852 if (m == NULL)
3853 {
3854 sc->rx_mbuf_alloc_errors++;
3855 ifp->if_ierrors++;
3856 return;
3857 }
3858
3859 m->m_pkthdr.rcvif = ifp;
3860 m->m_pkthdr.len = m->m_len = len;
3861
3862 m_copyback(m, 0, len, (caddr_t) wh);
3863
3864 wh = mtod(m, struct ieee80211_frame *);
3865
3866 /* check for cipher errors */
3867
3868 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3869 {
3870 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3871 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3872 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3873 {
3874 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3875 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3876
3877 m->m_flags |= M_WEP;
3878 }
3879 else
3880 {
3881 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3882 "%s: rxinfo: cipher error=0x%02x\n",
3883 device_get_nameunit(sc->dev), cipher_err);
3884
3885 ifp->if_ierrors++;
3886
3887 if (!(ifp->if_flags & IFF_PROMISC))
3888 {
3889 m_free(m);
3890 return;
3891 }
3892 }
3893 }
3894 else
3895 {
3896 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3897 {
3898 ifp->if_ierrors++;
3899
3900 if (!(ifp->if_flags & IFF_PROMISC))
3901 {
3902 m_free(m);
3903 return;
3904 }
3905 }
3906 }
3907
3908 /* check for A-MPDU */
3909
3910 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3911 {
3912 m->m_flags |= M_AMPDU;
3913
3914 sc->rx_ampdu++;
3915
3916 ampdu = 1;
3917 }
3918 else
3919 {
3920 ampdu = 0;
3921 }
3922
3923 /* check for A-MSDU */
3924
3925 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3926 {
3927 sc->rx_amsdu++;
3928
3929 amsdu = 1;
3930 }
3931 else
3932 {
3933 amsdu = 0;
3934 }
3935
3936 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3937 rssi = rxwi->rssi[ant];
3938 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3939 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3940 RT2870_RXWI_PHYMODE_MASK);
3941 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3942 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3943 RT2870_RXWI_SHORTGI_MASK);
3944 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3945
3946 if (ieee80211_radiotap_active(ic))
3947 {
3948 tap = &sc->rxtap;
3949
3950 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
3951 tap->dbm_antsignal = rssi_dbm;
3952 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3953 tap->antenna = ant;
3954 tap->antsignal = rssi;
3955 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3956 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3957 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3958 tap->chan_maxpow = 0;
3959
3960 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3961 tap->rate = rt2870_rxrate(rxwi);
3962 else
3963 tap->rate = mcs | IEEE80211_RATE_MCS;
3964
3965 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3966 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3967
3968 if (shortgi)
3969 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3970 }
3971
3972 /*
3973 * net80211 assumes that RSSI data are in the range [-127..127] and
3974 * in .5 dBm units relative to the current noise floor
3975 */
3976
3977 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
3978 if (rssi_dbm_rel > 127)
3979 rssi_dbm_rel = 127;
3980
3981 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3982 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3983 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
3984 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
3985 device_get_nameunit(sc->dev),
3986 len, phymode, bw, shortgi, mcs,
3987 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3988 rxwi->snr[0], rxwi->snr[1],
3989 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
3990
3991 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3992 if (ni != NULL)
3993 {
3994 rni = (struct rt2870_softc_node *) ni;
3995
3996 for (i = 0; i < RT2870_SOFTC_RSSI_DBM_COUNT; i++)
3997 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
3998
3999 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4000 ieee80211_free_node(ni);
4001 }
4002 else
4003 {
4004 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4005 }
4006 }
4007
4008 /*
4009 * rt2870_tx_mgmt
4010 */
4011 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4012 struct mbuf *m, struct ieee80211_node *ni, int qid)
4013 {
4014 struct ifnet *ifp;
4015 struct ieee80211com *ic;
4016 struct ieee80211vap *vap;
4017 const struct ieee80211_txparam *tp;
4018 struct rt2870_softc_node *rni;
4019 struct rt2870_softc_tx_ring *ring;
4020 struct rt2870_softc_tx_data *data;
4021 struct rt2870_txinfo *txinfo;
4022 struct rt2870_txwi *txwi;
4023 struct ieee80211_frame *wh;
4024 struct rt2870_softc_tx_radiotap_header *tap;
4025 u_int hdrsize, hdrspace;
4026 uint8_t rate, stbc, shortgi, mcs, pid;
4027 uint16_t len, dmalen, mpdu_len, dur;
4028
4029 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4030 ("%s: Tx MGMT: invalid qid=%d\n",
4031 device_get_nameunit(sc->dev), qid));
4032
4033 ifp = sc->ifp;
4034 ic = ifp->if_l2com;
4035 vap = ni->ni_vap;
4036 rni = (struct rt2870_softc_node *) ni;
4037 tp = ni->ni_txparms;
4038
4039 ring = &sc->tx_ring[qid];
4040 data = STAILQ_FIRST(&ring->inactive);
4041 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4042 txinfo = (struct rt2870_txinfo *) data->buf;
4043 txwi = (struct rt2870_txwi *) (txinfo + 1);
4044
4045 wh = mtod(m, struct ieee80211_frame *);
4046
4047 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4048
4049 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4050
4051 /* align end on a 4-bytes boundary */
4052
4053 dmalen = (len + 3) & ~3;
4054
4055 /* fill Tx info */
4056
4057 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4058
4059 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4060
4061 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4062
4063 dmalen += 4;
4064
4065 memset((caddr_t) txinfo + len, 0, dmalen - len);
4066
4067 /* fill Tx wireless info */
4068
4069 if (ni->ni_flags & IEEE80211_NODE_HT)
4070 mcs = rate;
4071 else
4072 mcs = rt2870_rate2mcs(rate);
4073
4074 pid = mcs;
4075
4076 /* calculate MPDU length without padding */
4077
4078 hdrsize = ieee80211_hdrsize(wh);
4079 hdrspace = ieee80211_hdrspace(ic, wh);
4080 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4081
4082 memset(txwi, 0, sizeof(struct rt2870_txwi));
4083
4084 /* management frames do not need encryption */
4085
4086 txwi->wcid = 0xff;
4087
4088 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4089 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4090 RT2870_TXWI_MPDU_LEN_SHIFT);
4091
4092 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4093
4094 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4095 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4096
4097 txwi->phymode_ifs_stbc_shortgi |=
4098 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4099 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4100
4101 txwi->phymode_ifs_stbc_shortgi |=
4102 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4103
4104 if (ni->ni_flags & IEEE80211_NODE_HT)
4105 {
4106 txwi->phymode_ifs_stbc_shortgi |=
4107 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4108 }
4109 else
4110 {
4111 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4112 {
4113 txwi->phymode_ifs_stbc_shortgi |=
4114 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4115
4116 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4117 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4118 }
4119 else
4120 {
4121 txwi->phymode_ifs_stbc_shortgi |=
4122 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4123 }
4124 }
4125
4126 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4127 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4128
4129 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4130
4131 /* skip ACKs for multicast frames and probe responses */
4132
4133 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4134 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4135 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
4136 {
4137 txwi->bawin_size_xflags |=
4138 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4139
4140 if (ni->ni_flags & IEEE80211_NODE_HT)
4141 {
4142 /* preamble + plcp + signal extension + SIFS */
4143
4144 dur = 16 + 4 + 6 + 10;
4145 }
4146 else
4147 {
4148 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4149 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4150 }
4151
4152 *(uint16_t *) wh->i_dur = htole16(dur);
4153 }
4154
4155 /* ask MAC to insert timestamp into probe responses */
4156
4157 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4158 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4159 txwi->mpdu_density_flags |=
4160 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4161
4162 if (ieee80211_radiotap_active_vap(vap))
4163 {
4164 tap = &sc->txtap;
4165
4166 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4167 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4168 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4169 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4170 tap->chan_maxpow = 0;
4171
4172 if (ni->ni_flags & IEEE80211_NODE_HT)
4173 tap->rate = mcs | IEEE80211_RATE_MCS;
4174 else
4175 tap->rate = rate;
4176
4177 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4178 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4179
4180 if (shortgi)
4181 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4182
4183 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4184 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4185
4186 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4187 {
4188 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4189
4190 ieee80211_radiotap_tx(vap, m);
4191
4192 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4193 }
4194 else
4195 {
4196 ieee80211_radiotap_tx(vap, m);
4197 }
4198 }
4199
4200 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4201
4202 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4203 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4204 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d\n",
4205 device_get_nameunit(sc->dev),
4206 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, dmalen);
4207
4208 data->len = dmalen;
4209 data->m = m;
4210 data->ni = ni;
4211
4212 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4213 ring->queued++;
4214
4215 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4216
4217 return 0;
4218 }
4219
4220 /*
4221 * rt2870_tx_data
4222 */
4223 static int rt2870_tx_data(struct rt2870_softc *sc,
4224 struct mbuf *m, struct ieee80211_node *ni, int qid)
4225 {
4226 struct ifnet *ifp;
4227 struct ieee80211com *ic;
4228 struct ieee80211vap *vap;
4229 const struct ieee80211_txparam *tp;
4230 struct rt2870_softc_node *rni;
4231 struct rt2870_softc_tx_ring *ring;
4232 struct rt2870_softc_tx_data *data;
4233 struct rt2870_txinfo *txinfo;
4234 struct rt2870_txwi *txwi;
4235 struct ieee80211_frame *wh;
4236 struct ieee80211_tx_ampdu *tx_ampdu;
4237 ieee80211_seq seqno;
4238 struct rt2870_softc_tx_radiotap_header *tap;
4239 u_int hdrsize, hdrspace;
4240 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4241 uint16_t qos, len, dmalen, mpdu_len, dur;
4242 int hasqos, ac, tid, ampdu;
4243
4244 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4245 ("%s: Tx data: invalid qid=%d\n",
4246 device_get_nameunit(sc->dev), qid));
4247
4248 ifp = sc->ifp;
4249 ic = ifp->if_l2com;
4250 vap = ni->ni_vap;
4251 rni = (struct rt2870_softc_node *) ni;
4252 tp = ni->ni_txparms;
4253
4254 ring = &sc->tx_ring[qid];
4255 data = STAILQ_FIRST(&ring->inactive);
4256 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4257 txinfo = (struct rt2870_txinfo *) data->buf;
4258 txwi = (struct rt2870_txwi *) (txinfo + 1);
4259
4260 wh = mtod(m, struct ieee80211_frame *);
4261
4262 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4263
4264 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4265 if (hasqos)
4266 {
4267 if (IEEE80211_HAS_ADDR4(wh))
4268 qos = le16toh(*(const uint16_t *)
4269 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4270 else
4271 qos = le16toh(*(const uint16_t *)
4272 (((struct ieee80211_qosframe *) wh)->i_qos));
4273 }
4274 else
4275 {
4276 qos = 0;
4277 }
4278
4279 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4280 rate = tp->mcastrate;
4281 else if (m->m_flags & M_EAPOL)
4282 rate = tp->mgmtrate;
4283 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4284 rate = tp->ucastrate;
4285 else
4286 rate = ni->ni_txrate;
4287
4288 rate &= IEEE80211_RATE_VAL;
4289
4290 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4291
4292 /* align end on a 4-bytes boundary */
4293
4294 dmalen = (len + 3) & ~3;
4295
4296 /* fill Tx info */
4297
4298 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4299
4300 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4301
4302 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4303
4304 dmalen += 4;
4305
4306 memset((caddr_t) txinfo + len, 0, dmalen - len);
4307
4308 /* fill Tx wireless info */
4309
4310 if (ni->ni_flags & IEEE80211_NODE_HT)
4311 mcs = rate;
4312 else
4313 mcs = rt2870_rate2mcs(rate);
4314
4315 pid = mcs;
4316
4317 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4318 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4319
4320 /* calculate MPDU length without padding */
4321
4322 hdrsize = ieee80211_hdrsize(wh);
4323 hdrspace = ieee80211_hdrspace(ic, wh);
4324 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4325
4326 memset(txwi, 0, sizeof(struct rt2870_txwi));
4327
4328 txwi->wcid = wcid;
4329
4330 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4331 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4332 RT2870_TXWI_MPDU_LEN_SHIFT);
4333
4334 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4335
4336 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4337 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4338
4339 txwi->phymode_ifs_stbc_shortgi |=
4340 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4341 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4342
4343 if (ni->ni_flags & IEEE80211_NODE_HT)
4344 {
4345 txwi->phymode_ifs_stbc_shortgi |=
4346 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4347 }
4348 else
4349 {
4350 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4351 {
4352 txwi->phymode_ifs_stbc_shortgi |=
4353 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4354
4355 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4356 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4357 }
4358 else
4359 {
4360 txwi->phymode_ifs_stbc_shortgi |=
4361 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4362 }
4363 }
4364
4365 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4366 bw = RT2870_TXWI_BW_40;
4367 else
4368 bw = RT2870_TXWI_BW_20;
4369
4370 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4371 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4372
4373 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4374
4375 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4376 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4377 {
4378 txwi->bawin_size_xflags |=
4379 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4380
4381 if (ni->ni_flags & IEEE80211_NODE_HT)
4382 {
4383 /* preamble + plcp + signal extension + SIFS */
4384
4385 dur = 16 + 4 + 6 + 10;
4386 }
4387 else
4388 {
4389 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4390 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4391 }
4392
4393 *(uint16_t *) wh->i_dur = htole16(dur);
4394 }
4395
4396 /* check fo A-MPDU */
4397
4398 if (m->m_flags & M_AMPDU_MPDU)
4399 {
4400 ac = M_WME_GETAC(m);
4401 tid = WME_AC_TO_TID(ac);
4402 tx_ampdu = &ni->ni_tx_ampdu[ac];
4403
4404 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4405 bawin_size = 13; //tx_ampdu->txa_wnd;
4406
4407 txwi->mpdu_density_flags |=
4408 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4409 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4410
4411 txwi->bawin_size_xflags |=
4412 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4413
4414 seqno = ni->ni_txseqs[tid]++;
4415
4416 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4417
4418 ampdu = 1;
4419 }
4420 else
4421 {
4422 ampdu = 0;
4423 }
4424
4425 /* ask MAC to insert timestamp into probe responses */
4426
4427 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4428 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4429 txwi->mpdu_density_flags |=
4430 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4431
4432 if (ieee80211_radiotap_active_vap(vap))
4433 {
4434 tap = &sc->txtap;
4435
4436 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4437 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4438 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4439 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4440 tap->chan_maxpow = 0;
4441
4442 if (ni->ni_flags & IEEE80211_NODE_HT)
4443 tap->rate = mcs | IEEE80211_RATE_MCS;
4444 else
4445 tap->rate = rate;
4446
4447 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4448 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4449
4450 if (shortgi)
4451 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4452
4453 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4454 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4455
4456 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4457 {
4458 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4459
4460 ieee80211_radiotap_tx(vap, m);
4461
4462 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4463 }
4464 else
4465 {
4466 ieee80211_radiotap_tx(vap, m);
4467 }
4468 }
4469
4470 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4471
4472 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4473 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4474 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d\n",
4475 device_get_nameunit(sc->dev),
4476 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4477 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen);
4478
4479 data->len = dmalen;
4480 data->m = m;
4481 data->ni = ni;
4482
4483 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4484 ring->queued++;
4485
4486 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4487
4488 return 0;
4489 }
4490
4491 /*
4492 * rt2870_tx_raw
4493 */
4494 static int rt2870_tx_raw(struct rt2870_softc *sc,
4495 struct mbuf *m, struct ieee80211_node *ni,
4496 const struct ieee80211_bpf_params *params)
4497 {
4498 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4499 "%s: Tx raw\n",
4500 device_get_nameunit(sc->dev));
4501
4502 return 0;
4503 }
4504
4505 /*
4506 * rt2870_rx_intr
4507 */
4508 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4509 {
4510 struct rt2870_softc *sc;
4511 struct ifnet *ifp;
4512 struct rt2870_softc_rx_ring *ring;
4513 struct rt2870_softc_rx_data *data;
4514 int len;
4515
4516 sc = usbd_xfer_softc(xfer);
4517 ifp = sc->ifp;
4518 ring = &sc->rx_ring;
4519
4520 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4521 "%s: Rx interrupt: state=%d, error=%s\n",
4522 device_get_nameunit(sc->dev),
4523 USB_GET_STATE(xfer), usbd_errstr(error));
4524
4525 switch (USB_GET_STATE(xfer))
4526 {
4527 case USB_ST_TRANSFERRED:
4528 sc->interrupts++;
4529 sc->rx_interrupts++;
4530
4531 data = STAILQ_FIRST(&ring->active);
4532 if (data == NULL)
4533 goto setup;
4534
4535 STAILQ_REMOVE_HEAD(&ring->active, next);
4536
4537 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4538
4539 data->len = len;
4540
4541 STAILQ_INSERT_TAIL(&ring->done, data, next);
4542
4543 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4544
4545 /* FALLTHROUGH */
4546
4547 setup:
4548
4549 case USB_ST_SETUP:
4550 data = STAILQ_FIRST(&ring->inactive);
4551 if (data == NULL)
4552 break;
4553
4554 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4555
4556 STAILQ_INSERT_TAIL(&ring->active, data, next);
4557
4558 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4559 usbd_transfer_submit(xfer);
4560 break;
4561
4562 default:
4563 sc->interrupts++;
4564 sc->rx_interrupts++;
4565
4566 data = STAILQ_FIRST(&ring->active);
4567 if (data != NULL)
4568 {
4569 STAILQ_REMOVE_HEAD(&ring->active, next);
4570 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4571 }
4572
4573 if (error != USB_ERR_CANCELLED)
4574 {
4575 ifp->if_ierrors++;
4576
4577 usbd_xfer_set_stall(xfer);
4578
4579 goto setup;
4580 }
4581 break;
4582 }
4583 }
4584
4585 /*
4586 * rt2870_tx_intr
4587 */
4588 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4589 {
4590 struct rt2870_softc *sc;
4591 struct ifnet *ifp;
4592 struct rt2870_softc_tx_ring *ring;
4593 struct rt2870_softc_tx_data *data;
4594
4595 sc = usbd_xfer_softc(xfer);
4596 ifp = sc->ifp;
4597 ring = usbd_xfer_get_priv(xfer);
4598
4599 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4600
4601 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4602 "%s: Tx interrupt: state=%d, error=%s\n",
4603 device_get_nameunit(sc->dev),
4604 USB_GET_STATE(xfer), usbd_errstr(error));
4605
4606 switch (USB_GET_STATE(xfer))
4607 {
4608 case USB_ST_TRANSFERRED:
4609 sc->interrupts++;
4610 sc->tx_interrupts[ring->qid]++;
4611
4612 data = STAILQ_FIRST(&ring->active);
4613 if (data == NULL)
4614 goto setup;
4615
4616 STAILQ_REMOVE_HEAD(&ring->active, next);
4617
4618 STAILQ_INSERT_TAIL(&ring->done, data, next);
4619
4620 sc->tx_qid_pending_mask |= (1 << ring->qid);
4621
4622 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4623
4624 /* FALLTHROUGH */
4625
4626 setup:
4627
4628 case USB_ST_SETUP:
4629 data = STAILQ_FIRST(&ring->pending);
4630 if (data == NULL)
4631 break;
4632
4633 STAILQ_REMOVE_HEAD(&ring->pending, next);
4634 STAILQ_INSERT_TAIL(&ring->active, data, next);
4635
4636 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4637 usbd_transfer_submit(xfer);
4638
4639 RT2870_SOFTC_UNLOCK(sc);
4640
4641 rt2870_start(ifp);
4642
4643 RT2870_SOFTC_LOCK(sc);
4644 break;
4645
4646 default:
4647 sc->interrupts++;
4648 sc->tx_interrupts[ring->qid]++;
4649
4650 data = STAILQ_FIRST(&ring->active);
4651 if (data != NULL)
4652 {
4653 STAILQ_REMOVE_HEAD(&ring->active, next);
4654
4655 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4656 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4657
4658 if (data->m != NULL)
4659 {
4660 m_freem(data->m);
4661 data->m = NULL;
4662 }
4663
4664 if (data->ni != NULL)
4665 {
4666 ieee80211_free_node(data->ni);
4667 data->ni = NULL;
4668 }
4669
4670 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4671
4672 ring->queued--;
4673 }
4674
4675 if (error != USB_ERR_CANCELLED)
4676 {
4677 ifp->if_oerrors++;
4678 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4679
4680 usbd_xfer_set_stall(xfer);
4681
4682 goto setup;
4683 }
4684 break;
4685 }
4686 }
4687
4688 /*
4689 * rt2870_rx_done_task
4690 */
4691 static void rt2870_rx_done_task(void *context, int pending)
4692 {
4693 struct rt2870_softc *sc;
4694 struct ifnet *ifp;
4695
4696 sc = context;
4697 ifp = sc->ifp;
4698
4699 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4700 "%s: Rx done task\n",
4701 device_get_nameunit(sc->dev));
4702
4703 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4704 return;
4705
4706 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4707 {
4708 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4709 "%s: Rx done task: scheduling again\n",
4710 device_get_nameunit(sc->dev));
4711
4712 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4713 }
4714 }
4715
4716 /*
4717 * rt2870_tx_done_task
4718 */
4719 static void rt2870_tx_done_task(void *context, int pending)
4720 {
4721 struct rt2870_softc *sc;
4722 struct ifnet *ifp;
4723 int i;
4724
4725 sc = context;
4726 ifp = sc->ifp;
4727
4728 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4729 "%s: Tx done task\n",
4730 device_get_nameunit(sc->dev));
4731
4732 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4733 return;
4734
4735 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4736 {
4737 if (sc->tx_qid_pending_mask & (1 << i))
4738 {
4739 sc->tx_qid_pending_mask &= ~(1 << i);
4740
4741 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4742 }
4743 }
4744
4745 if (sc->tx_qid_pending_mask != 0)
4746 {
4747 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4748 "%s: Tx done task: scheduling again\n",
4749 device_get_nameunit(sc->dev));
4750
4751 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4752 }
4753
4754 sc->tx_timer = 0;
4755
4756 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4757 }
4758
4759 /*
4760 * rt2870_periodic_task
4761 */
4762 static void rt2870_periodic_task(void *context, int pending)
4763 {
4764 struct rt2870_softc *sc;
4765 struct ifnet *ifp;
4766 struct ieee80211com *ic;
4767 struct ieee80211vap *vap;
4768
4769 sc = context;
4770 ifp = sc->ifp;
4771 ic = ifp->if_l2com;
4772 vap = TAILQ_FIRST(&ic->ic_vaps);
4773
4774 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4775 "%s: periodic task: round=%lu\n",
4776 device_get_nameunit(sc->dev), sc->periodic_round);
4777
4778 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4779 return;
4780
4781 RT2870_SOFTC_LOCK(sc);
4782
4783 sc->periodic_round++;
4784
4785 rt2870_update_stats(sc);
4786
4787 if ((sc->periodic_round % 10) == 0)
4788 {
4789 rt2870_bbp_tuning(sc);
4790
4791 rt2870_update_raw_counters(sc);
4792
4793 rt2870_watchdog(sc);
4794
4795 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4796 {
4797 if (vap->iv_opmode == IEEE80211_M_STA)
4798 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
4799 else
4800 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
4801 }
4802 }
4803
4804 RT2870_SOFTC_UNLOCK(sc);
4805
4806 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4807 }
4808
4809 /*
4810 * rt2870_cmd_task
4811 */
4812 static void rt2870_cmd_task(void *context, int pending)
4813 {
4814 struct rt2870_softc *sc;
4815 struct rt2870_softc_cmd_ring *ring;
4816 struct rt2870_softc_cmd *cmd;
4817
4818 sc = context;
4819 ring = &sc->cmd_ring;
4820
4821 while (1)
4822 {
4823 RT2870_SOFTC_LOCK(sc);
4824
4825 cmd = STAILQ_FIRST(&ring->active);
4826 if (cmd == NULL)
4827 {
4828 RT2870_SOFTC_UNLOCK(sc);
4829 break;
4830 }
4831
4832 STAILQ_REMOVE_HEAD(&ring->active, next);
4833
4834 RT2870_SOFTC_UNLOCK(sc);
4835
4836 cmd->cb(sc, cmd->data);
4837
4838 RT2870_SOFTC_LOCK(sc);
4839
4840 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4841 ring->queued--;
4842
4843 RT2870_SOFTC_UNLOCK(sc);
4844 }
4845 }
4846
4847 /*
4848 * rt2870_rx_eof
4849 */
4850 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4851 {
4852 struct ifnet *ifp;
4853 struct rt2870_softc_rx_ring *ring;
4854 struct rt2870_softc_rx_data *data;
4855 uint32_t dmalen;
4856 uint8_t *buf;
4857 int nframes, len;
4858
4859 ifp = sc->ifp;
4860 ring = &sc->rx_ring;
4861
4862 nframes = 0;
4863
4864 while (limit != 0)
4865 {
4866 RT2870_SOFTC_LOCK(sc);
4867
4868 data = STAILQ_FIRST(&ring->done);
4869 if (data == NULL)
4870 {
4871 RT2870_SOFTC_UNLOCK(sc);
4872 break;
4873 }
4874
4875 STAILQ_REMOVE_HEAD(&ring->done, next);
4876
4877 RT2870_SOFTC_UNLOCK(sc);
4878
4879 buf = data->buf;
4880 len = data->len;
4881
4882 if (len < RT2870_RX_DESC_SIZE)
4883 {
4884 ifp->if_ierrors++;
4885 goto skip;
4886 }
4887
4888 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4889 {
4890 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4891
4892 if (dmalen == 0 || (dmalen & 3) != 0)
4893 {
4894 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4895 "%s: bad DMA len=%u\n",
4896 device_get_nameunit(sc->dev), dmalen);
4897 goto skip;
4898 }
4899
4900 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4901 {
4902 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4903 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4904 device_get_nameunit(sc->dev),
4905 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4906 goto skip;
4907 }
4908
4909 nframes++;
4910
4911 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4912
4913 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4914 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4915 }
4916
4917 skip:
4918
4919 RT2870_SOFTC_LOCK(sc);
4920
4921 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4922
4923 usbd_transfer_start(sc->usb_xfer[0]);
4924
4925 RT2870_SOFTC_UNLOCK(sc);
4926
4927 limit--;
4928 }
4929
4930 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4931 "%s: Rx eof: nframes=%d\n",
4932 device_get_nameunit(sc->dev), nframes);
4933
4934 sc->rx_packets += nframes;
4935
4936 return (limit == 0);
4937 }
4938
4939 /*
4940 * rt2870_tx_eof
4941 */
4942 static void rt2870_tx_eof(struct rt2870_softc *sc,
4943 struct rt2870_softc_tx_ring *ring)
4944 {
4945 struct ifnet *ifp;
4946 struct rt2870_softc_tx_data *data;
4947 int nframes;
4948
4949 ifp = sc->ifp;
4950
4951 nframes = 0;
4952
4953 while (1)
4954 {
4955 RT2870_SOFTC_LOCK(sc);
4956
4957 data = STAILQ_FIRST(&ring->done);
4958 if (data == NULL)
4959 {
4960 RT2870_SOFTC_UNLOCK(sc);
4961 break;
4962 }
4963
4964 STAILQ_REMOVE_HEAD(&ring->done, next);
4965
4966 rt2870_drain_fifo_stats(sc);
4967
4968 RT2870_SOFTC_UNLOCK(sc);
4969
4970 nframes++;
4971
4972 if (data->m->m_flags & M_TXCB)
4973 ieee80211_process_callback(data->ni, data->m, 0);
4974
4975 m_freem(data->m);
4976
4977 ieee80211_free_node(data->ni);
4978
4979 data->m = NULL;
4980 data->ni = NULL;
4981
4982 RT2870_SOFTC_LOCK(sc);
4983
4984 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4985
4986 ring->queued--;
4987 ifp->if_opackets++;
4988
4989 RT2870_SOFTC_UNLOCK(sc);
4990 }
4991
4992 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4993 "%s: Tx eof: qid=%d, nframes=%d\n",
4994 device_get_nameunit(sc->dev), ring->qid, nframes);
4995 }
4996
4997 /*
4998 * rt2870_update_stats
4999 */
5000 static void rt2870_update_stats(struct rt2870_softc *sc)
5001 {
5002 struct ifnet *ifp;
5003 struct ieee80211com *ic;
5004 struct ieee80211vap *vap;
5005 struct ieee80211_node *ni;
5006 uint32_t stacnt[3];
5007 int beacons, noretryok, retryok, failed, underflows, zerolen;
5008 uint16_t associd;
5009 uint8_t wcid;
5010
5011 ifp = sc->ifp;
5012 ic = ifp->if_l2com;
5013 vap = TAILQ_FIRST(&ic->ic_vaps);
5014
5015 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5016 "%s: update statistic\n",
5017 device_get_nameunit(sc->dev));
5018
5019 rt2870_drain_fifo_stats(sc);
5020
5021 /* read and clear Tx statistic registers */
5022
5023 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5024 stacnt, sizeof(stacnt));
5025
5026 stacnt[0] = le32toh(stacnt[0]);
5027 stacnt[1] = le32toh(stacnt[1]);
5028 stacnt[2] = le32toh(stacnt[2]);
5029
5030 beacons = stacnt[0] >> 16;
5031 noretryok = stacnt[1] & 0xffff;
5032 retryok = stacnt[1] >> 16;
5033 failed = stacnt[0] & 0xffff;
5034 underflows = stacnt[2] >> 16;
5035 zerolen = stacnt[2] & 0xffff;
5036
5037 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5038 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5039 device_get_nameunit(sc->dev),
5040 beacons, noretryok, retryok, failed, underflows, zerolen);
5041
5042 ifp->if_oerrors += failed;
5043
5044 sc->tx_beacons += beacons;
5045 sc->tx_noretryok += noretryok;
5046 sc->tx_retryok += retryok;
5047 sc->tx_failed += failed;
5048 sc->tx_underflows += underflows;
5049 sc->tx_zerolen += zerolen;
5050
5051 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5052 {
5053 ni = vap->iv_bss;
5054
5055 associd = (ni != NULL) ? ni->ni_associd : 0;
5056 wcid = RT2870_AID2WCID(associd);
5057
5058 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
5059 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5060 }
5061 }
5062
5063 /*
5064 * rt2870_bbp_tuning
5065 */
5066 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5067 {
5068 struct ifnet *ifp;
5069 struct ieee80211com *ic;
5070 struct ieee80211vap *vap;
5071 struct ieee80211_node *ni;
5072 int chan, group;
5073 int8_t rssi, old, new;
5074
5075 /* RT2860C does not support BBP tuning */
5076
5077 if (sc->mac_rev == 0x28600100)
5078 return;
5079
5080 ifp = sc->ifp;
5081 ic = ifp->if_l2com;
5082 vap = TAILQ_FIRST(&ic->ic_vaps);
5083
5084 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5085 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5086 return;
5087
5088 ni = vap->iv_bss;
5089
5090 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5091
5092 if (chan <= 14)
5093 group = 0;
5094 else if (chan <= 64)
5095 group = 1;
5096 else if (chan <= 128)
5097 group = 2;
5098 else
5099 group = 3;
5100
5101 rssi = ieee80211_getrssi(vap);
5102
5103 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5104 {
5105 new = 0x2e + sc->lna_gain[group];
5106 }
5107 else
5108 {
5109 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5110 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5111 else
5112 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5113 }
5114
5115 /* Tune if absolute average RSSI is greater than -80 */
5116
5117 if (rssi > 30)
5118 new += 0x10;
5119
5120 old = rt2870_io_bbp_read(sc, 66);
5121
5122 if (old != new)
5123 rt2870_io_bbp_write(sc, 66, new);
5124 }
5125
5126 /*
5127 * rt2870_watchdog
5128 */
5129 static void rt2870_watchdog(struct rt2870_softc *sc)
5130 {
5131 uint32_t tmp;
5132 int ntries;
5133
5134 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5135
5136 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5137 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5138 device_get_nameunit(sc->dev), tmp);
5139
5140 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5141 {
5142 sc->tx_queue_not_empty[0]++;
5143
5144 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5145
5146 for (ntries = 0; ntries < 10; ntries++)
5147 {
5148 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5149 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5150 break;
5151
5152 DELAY(1);
5153 }
5154
5155 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5156 }
5157
5158 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5159 {
5160 sc->tx_queue_not_empty[1]++;
5161
5162 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5163
5164 for (ntries = 0; ntries < 10; ntries++)
5165 {
5166 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5167 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5168 break;
5169
5170 DELAY(1);
5171 }
5172
5173 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5174 }
5175 }
5176
5177 /*
5178 * rt2870_drain_fifo_stats
5179 */
5180 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5181 {
5182 struct ifnet *ifp;
5183 uint32_t stats;
5184 uint8_t wcid, mcs, pid;
5185 int ok, agg, retrycnt;
5186
5187 ifp = sc->ifp;
5188
5189 /* drain Tx status FIFO (maxsize = 16) */
5190
5191 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5192 RT2870_REG_TX_STA_FIFO_VALID)
5193 {
5194 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5195 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5196
5197 /* if no ACK was requested, no feedback is available */
5198
5199 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5200 continue;
5201
5202 /* update AMRR statistic */
5203
5204 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5205 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5206 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5207 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5208 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5209 RT2870_REG_TX_STA_FIFO_PID_MASK;
5210 retrycnt = pid - mcs;
5211
5212 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5213 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5214 device_get_nameunit(sc->dev),
5215 wcid, ok, agg, mcs, pid, retrycnt);
5216
5217 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5218
5219 if (!ok)
5220 ifp->if_oerrors++;
5221 }
5222 }
5223
5224 /*
5225 * rt2870_update_raw_counters
5226 */
5227 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5228 {
5229 uint32_t tmp;
5230
5231 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5232
5233 sc->tx_nonagg += tmp & 0xffff;
5234 sc->tx_agg += tmp >> 16;
5235
5236 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5237
5238 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5239
5240 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5241
5242 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5243
5244 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5245
5246 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5247
5248 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5249
5250 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5251
5252 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5253
5254 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5255
5256 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5257
5258 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5259
5260 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5261
5262 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5263
5264 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5265
5266 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5267
5268 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5269
5270 sc->rx_crc_errors += tmp & 0xffff;
5271 sc->rx_phy_errors += tmp >> 16;
5272
5273 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5274
5275 sc->rx_false_ccas += tmp & 0xffff;
5276 sc->rx_plcp_errors += tmp >> 16;
5277
5278 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5279
5280 sc->rx_dup_packets += tmp & 0xffff;
5281 sc->rx_fifo_overflows += tmp >> 16;
5282
5283 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5284
5285 sc->tx_mpdu_zero_density += tmp & 0xffff;
5286 sc->rx_mpdu_zero_density += tmp >> 16;
5287 }
5288
5289 /*
5290 * rt2870_txrx_enable
5291 */
5292 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5293 {
5294 struct ieee80211com *ic;
5295 struct ifnet *ifp;
5296 uint32_t tmp;
5297 int ntries;
5298
5299 ifp = sc->ifp;
5300 ic = ifp->if_l2com;
5301
5302 /* enable Tx/Rx DMA engine */
5303
5304 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5305
5306 tmp &= 0xffffff00;
5307 tmp |= 0x1e;
5308
5309 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5310
5311 if ((sc->mac_rev & 0xffff) != 0x0101)
5312 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5313
5314 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5315
5316 for (ntries = 0; ntries < 200; ntries++)
5317 {
5318 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5319 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5320 break;
5321
5322 DELAY(1000);
5323 }
5324
5325 if (ntries == 200)
5326 {
5327 printf("%s: timeout waiting for DMA engine\n",
5328 device_get_nameunit(sc->dev));
5329 return -1;
5330 }
5331
5332 DELAY(50);
5333
5334 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5335 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5336 (48 << 16) | 96);
5337
5338 tmp |= RT2870_REG_TX_WB_DDONE |
5339 RT2870_REG_RX_DMA_ENABLE |
5340 RT2870_REG_TX_DMA_ENABLE;
5341
5342 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5343
5344 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5345 RT2870_REG_USB_DMA_RX_ENABLE |
5346 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5347 /* Rx agg limit in unit of 1024 byte */
5348 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5349 /* Rx agg timeout in unit of 33ns */
5350 0x80;
5351
5352 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5353
5354 /* set Rx filter */
5355
5356 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5357 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5358
5359 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5360 {
5361 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5362 RT2870_REG_RX_FILTER_DROP_CTS |
5363 RT2870_REG_RX_FILTER_DROP_BA |
5364 RT2870_REG_RX_FILTER_DROP_ACK |
5365 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5366 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5367 RT2870_REG_RX_FILTER_DROP_CFACK |
5368 RT2870_REG_RX_FILTER_DROP_CFEND;
5369
5370 if (ic->ic_opmode == IEEE80211_M_STA)
5371 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5372 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5373
5374 if (!(ifp->if_flags & IFF_PROMISC))
5375 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5376 }
5377
5378 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5379
5380 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5381 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5382
5383 return 0;
5384 }
5385
5386 /*
5387 * rt2870_alloc_rx_ring
5388 */
5389 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5390 struct rt2870_softc_rx_ring *ring)
5391 {
5392 struct rt2870_softc_rx_data *data;
5393 int i, error;
5394
5395 STAILQ_INIT(&ring->inactive);
5396 STAILQ_INIT(&ring->active);
5397 STAILQ_INIT(&ring->done);
5398
5399 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5400 {
5401 data = &ring->data[i];
5402
5403 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5404 if (data->buf == NULL)
5405 {
5406 printf("%s: could not allocate Rx buffer\n",
5407 device_get_nameunit(sc->dev));
5408 error = ENOMEM;
5409 goto fail;
5410 }
5411
5412 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5413 }
5414
5415 return 0;
5416
5417 fail:
5418
5419 rt2870_free_rx_ring(sc, ring);
5420
5421 return error;
5422 }
5423
5424 /*
5425 * rt2870_reset_rx_ring
5426 */
5427 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5428 struct rt2870_softc_rx_ring *ring)
5429 {
5430 struct rt2870_softc_rx_data *data;
5431 int i;
5432
5433 STAILQ_INIT(&ring->inactive);
5434 STAILQ_INIT(&ring->active);
5435 STAILQ_INIT(&ring->done);
5436
5437 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5438 {
5439 data = &ring->data[i];
5440
5441 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5442 }
5443 }
5444
5445 /*
5446 * rt2870_free_rx_ring
5447 */
5448 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5449 struct rt2870_softc_rx_ring *ring)
5450 {
5451 struct rt2870_softc_rx_data *data;
5452 int i;
5453
5454 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5455 {
5456 data = &ring->data[i];
5457
5458 if (data->buf != NULL)
5459 {
5460 free(data->buf, M_USBDEV);
5461 data->buf = NULL;
5462 }
5463 }
5464 }
5465
5466 /*
5467 * rt2870_alloc_tx_ring
5468 */
5469 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5470 struct rt2870_softc_tx_ring *ring, int qid)
5471 {
5472 struct rt2870_softc_tx_data *data;
5473 int i, error;
5474
5475 STAILQ_INIT(&ring->inactive);
5476 STAILQ_INIT(&ring->pending);
5477 STAILQ_INIT(&ring->active);
5478 STAILQ_INIT(&ring->done);
5479
5480 ring->queued = 0;
5481 ring->qid = qid;
5482
5483 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5484 {
5485 data = &ring->data[i];
5486
5487 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5488 if (data->buf == NULL)
5489 {
5490 printf("%s: could not allocate Tx buffer\n",
5491 device_get_nameunit(sc->dev));
5492 error = ENOMEM;
5493 goto fail;
5494 }
5495
5496 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5497
5498 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5499 }
5500
5501 return 0;
5502
5503 fail:
5504
5505 rt2870_free_tx_ring(sc, ring);
5506
5507 return error;
5508 }
5509
5510 /*
5511 * rt2870_reset_tx_ring
5512 */
5513 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5514 struct rt2870_softc_tx_ring *ring)
5515 {
5516 struct rt2870_softc_tx_data *data;
5517 int i;
5518
5519 STAILQ_INIT(&ring->inactive);
5520 STAILQ_INIT(&ring->pending);
5521 STAILQ_INIT(&ring->active);
5522 STAILQ_INIT(&ring->done);
5523
5524 ring->queued = 0;
5525
5526 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5527 {
5528 data = &ring->data[i];
5529
5530 if (data->m != NULL)
5531 {
5532 m_free(data->m);
5533 data->m = NULL;
5534 }
5535
5536 if (data->ni != NULL)
5537 {
5538 ieee80211_free_node(data->ni);
5539 data->ni = NULL;
5540 }
5541
5542 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5543 }
5544 }
5545
5546 /*
5547 * rt2870_free_tx_ring
5548 */
5549 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5550 struct rt2870_softc_tx_ring *ring)
5551 {
5552 struct rt2870_softc_tx_data *data;
5553 int i;
5554
5555 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5556 {
5557 data = &ring->data[i];
5558
5559 if (data->buf != NULL)
5560 {
5561 free(data->buf, M_USBDEV);
5562 data->buf = NULL;
5563 }
5564
5565 if (data->m != NULL)
5566 {
5567 m_free(data->m);
5568 data->m = NULL;
5569 }
5570
5571 if (data->ni != NULL)
5572 {
5573 ieee80211_free_node(data->ni);
5574 data->ni = NULL;
5575 }
5576 }
5577 }
5578
5579 /*
5580 * rt2870_reset_cmd_ring
5581 */
5582 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5583 struct rt2870_softc_cmd_ring *ring)
5584 {
5585 struct rt2870_softc_cmd *cmd;
5586 int i;
5587
5588 STAILQ_INIT(&ring->inactive);
5589 STAILQ_INIT(&ring->active);
5590
5591 ring->queued = 0;
5592
5593 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5594 {
5595 cmd = &ring->cmd[i];
5596
5597 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5598 }
5599 }
5600
5601 /*
5602 * rt2870_sysctl_attach
5603 */
5604 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5605 {
5606 struct sysctl_ctx_list *ctx;
5607 struct sysctl_oid *tree;
5608 struct sysctl_oid *stats;
5609
5610 ctx = device_get_sysctl_ctx(sc->dev);
5611 tree = device_get_sysctl_tree(sc->dev);
5612
5613 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5614 "stats", CTLFLAG_RD, 0, "statistic");
5615
5616 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5617 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5618 "all interrupts");
5619
5620 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5621 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5622 "Rx interrupts");
5623
5624 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5625 {
5626 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5627 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5628 "Tx MGMT interrupts");
5629
5630 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5631 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5632 "Tx HCCA interrupts");
5633 }
5634
5635 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5636 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5637 "Tx AC3 interrupts");
5638
5639 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5640 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5641 "Tx AC2 interrupts");
5642
5643 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5644 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5645 "Tx AC1 interrupts");
5646
5647 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5648 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5649 "Tx AC0 interrupts");
5650
5651 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5652 {
5653 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5654 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5655 "Tx MGMT data queued");
5656
5657 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5658 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5659 "Tx HCCA data queued");
5660 }
5661
5662 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5663 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5664 "Tx AC3 data queued");
5665
5666 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5667 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5668 "Tx AC2 data queued");
5669
5670 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5671 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5672 "Tx AC1 data queued");
5673
5674 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5675 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5676 "Tx AC0 data queued");
5677
5678 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5679 {
5680 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5681 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5682 "Tx MGMT data queue full");
5683
5684 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5685 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5686 "Tx HCCA data queue full");
5687 }
5688
5689 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5690 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5691 "Tx AC3 data queue full");
5692
5693 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5694 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5695 "Tx AC2 data queue full");
5696
5697 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5698 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5699 "Tx AC1 data queue full");
5700
5701 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5702 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5703 "Tx AC0 data queue full");
5704
5705 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5706 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5707 "Tx watchdog timeouts");
5708
5709 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5710 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5711 "Rx mbuf allocation errors");
5712
5713 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5714 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5715 "Tx queue 0 not empty");
5716
5717 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5718 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5719 "Tx queue 1 not empty");
5720
5721 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5722 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5723 "Tx beacons");
5724
5725 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5726 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5727 "Tx successfull without retries");
5728
5729 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5730 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5731 "Tx successfull with retries");
5732
5733 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5734 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5735 "Tx failed");
5736
5737 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5738 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5739 "Tx underflows");
5740
5741 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5742 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5743 "Tx zero length");
5744
5745 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5746 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5747 "Tx non-aggregated");
5748
5749 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5750 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5751 "Tx aggregated");
5752
5753 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5754 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5755 "Tx A-MPDU");
5756
5757 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5758 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5759 "Tx MPDU with zero density");
5760
5761 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5762 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5763 "Rx packets");
5764
5765 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5766 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5767 "Rx A-MPDU");
5768
5769 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5770 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
5771 "Rx MPDU with zero density");
5772
5773 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5774 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5775 "Rx A-MSDU");
5776
5777 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5778 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5779 "Rx CRC errors");
5780
5781 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5782 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5783 "Rx PHY errors");
5784
5785 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5786 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5787 "Rx false CCAs");
5788
5789 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5790 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5791 "Rx PLCP errors");
5792
5793 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5794 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5795 "Rx duplicate packets");
5796
5797 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5798 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5799 "Rx FIFO overflows");
5800 }
5801
5802 static device_method_t rt2870_dev_methods[] =
5803 {
5804 DEVMETHOD(device_probe, rt2870_probe),
5805 DEVMETHOD(device_attach, rt2870_attach),
5806 DEVMETHOD(device_detach, rt2870_detach),
5807 { 0, 0 }
5808 };
5809
5810 static driver_t rt2870_driver =
5811 {
5812 "rt2870",
5813 rt2870_dev_methods,
5814 sizeof(struct rt2870_softc),
5815 };
5816
5817 static devclass_t rt2870_dev_class;
5818
5819 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5820 NULL, 0);
5821
5822 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5823 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870