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Set Rx A-MPDU factor to 2 (32Kbyte)
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
bloba9d06ecd419110f95cab29c1dcae08354850a965
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 rt2870_asic_update_rtsthreshold(sc);
1826 break;
1827
1828 case IEEE80211_IOC_PROTMODE:
1829 case IEEE80211_IOC_HTPROTMODE:
1830 rt2870_asic_updateprot(sc);
1831 break;
1832
1833 case IEEE80211_IOC_TXPOWER:
1834 rt2870_asic_update_txpower(sc);
1835 break;
1836
1837 case IEEE80211_IOC_SHORTGI:
1838 case IEEE80211_IOC_AMPDU_DENSITY:
1839 break;
1840
1841 default:
1842 error = ENETRESET;
1843 break;
1844 }
1845
1846 RT2870_SOFTC_UNLOCK(sc);
1847
1848 return error;
1849 }
1850
1851 /*
1852 * rt2870_vap_newstate
1853 */
1854 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1855 enum ieee80211_state nstate, int arg)
1856 {
1857 struct rt2870_softc *sc;
1858 struct ieee80211com *ic;
1859 struct ifnet *ifp;
1860 struct rt2870_softc_vap *rvap;
1861 struct ieee80211_node *ni;
1862 int error;
1863
1864 ic = vap->iv_ic;
1865 ifp = ic->ic_ifp;
1866 sc = ifp->if_softc;
1867 rvap = (struct rt2870_softc_vap *) vap;
1868
1869 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1870 "%s: VAP newstate: %s -> %s\n",
1871 device_get_nameunit(sc->dev),
1872 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1873
1874 error = rvap->newstate(vap, nstate, arg);
1875 if (error != 0)
1876 return error;
1877
1878 IEEE80211_UNLOCK(ic);
1879
1880 RT2870_SOFTC_LOCK(sc);
1881
1882 /* turn link LED off */
1883
1884 if (nstate != IEEE80211_S_RUN)
1885 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1886
1887 switch (nstate)
1888 {
1889 case IEEE80211_S_INIT:
1890 rt2870_asic_disable_tsf_sync(sc);
1891 break;
1892
1893 case IEEE80211_S_RUN:
1894 ni = vap->iv_bss;
1895
1896 rt2870_rf_set_chan(sc, ni->ni_chan);
1897
1898 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1899 {
1900 rt2870_asic_enable_mrr(sc);
1901 rt2870_asic_set_txpreamble(sc);
1902 rt2870_asic_set_basicrates(sc);
1903 rt2870_asic_update_txpower(sc);
1904 rt2870_asic_set_bssid(sc, ni->ni_bssid);
1905 }
1906
1907 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1908 vap->iv_opmode == IEEE80211_M_IBSS ||
1909 vap->iv_opmode == IEEE80211_M_MBSS)
1910 {
1911 error = rt2870_asic_update_beacon(sc, vap);
1912 if (error != 0)
1913 break;
1914 }
1915
1916 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1917 rt2870_asic_enable_tsf_sync(sc);
1918
1919 /* turn link LED on */
1920
1921 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1922 {
1923 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
1924 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1925 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
1926 }
1927 break;
1928
1929 default:
1930 break;
1931 }
1932
1933 RT2870_SOFTC_UNLOCK(sc);
1934
1935 IEEE80211_LOCK(ic);
1936
1937 return error;
1938 }
1939
1940 /*
1941 * rt2870_vap_key_update_begin
1942 */
1943 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
1944 {
1945 struct rt2870_softc *sc;
1946 struct ieee80211com *ic;
1947 struct ifnet *ifp;
1948
1949 ic = vap->iv_ic;
1950 ifp = ic->ic_ifp;
1951 sc = ifp->if_softc;
1952
1953 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1954 "%s: VAP key update begin\n",
1955 device_get_nameunit(sc->dev));
1956
1957 taskqueue_block(sc->taskqueue);
1958
1959 IF_LOCK(&ifp->if_snd);
1960 }
1961
1962 /*
1963 * rt2870_vap_key_update_end
1964 */
1965 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
1966 {
1967 struct rt2870_softc *sc;
1968 struct ieee80211com *ic;
1969 struct ifnet *ifp;
1970
1971 ic = vap->iv_ic;
1972 ifp = ic->ic_ifp;
1973 sc = ifp->if_softc;
1974
1975 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1976 "%s: VAP key update end\n",
1977 device_get_nameunit(sc->dev));
1978
1979 IF_UNLOCK(&ifp->if_snd);
1980
1981 taskqueue_unblock(sc->taskqueue);
1982 }
1983
1984 /*
1985 * rt2870_vap_key_set
1986 */
1987 static int rt2870_vap_key_set(struct ieee80211vap *vap,
1988 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
1989 {
1990 struct rt2870_softc *sc;
1991 struct ieee80211com *ic;
1992 struct ifnet *ifp;
1993 struct ieee80211_node *ni;
1994 struct rt2870_cmd_argv_keyset cmd_argv;
1995 uint16_t associd;
1996
1997 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
1998 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
1999 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2000 return EINVAL;
2001
2002 ic = vap->iv_ic;
2003 ifp = ic->ic_ifp;
2004 sc = ifp->if_softc;
2005
2006 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2007 ni = vap->iv_bss;
2008 else
2009 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2010
2011 associd = (ni != NULL) ? ni->ni_associd : 0;
2012
2013 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2014 ieee80211_free_node(ni);
2015
2016 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2017 cmd_argv.associd = associd;
2018
2019 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2020 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2021
2022 return 1;
2023 }
2024
2025 /*
2026 * rt2870_vap_key_delete
2027 */
2028 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2029 const struct ieee80211_key *k)
2030 {
2031 struct rt2870_softc *sc;
2032 struct ieee80211com *ic;
2033 struct ifnet *ifp;
2034 struct ieee80211_node *ni;
2035 struct rt2870_cmd_argv_keydelete cmd_argv;
2036 uint16_t associd;
2037
2038 ic = vap->iv_ic;
2039 ifp = ic->ic_ifp;
2040 sc = ifp->if_softc;
2041 ni = vap->iv_bss;
2042 associd = (ni != NULL) ? ni->ni_associd : 0;
2043
2044 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2045 cmd_argv.associd = associd;
2046
2047 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2048 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2049
2050 return 1;
2051 }
2052
2053 /*
2054 * rt2870_vap_update_beacon
2055 */
2056 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2057 {
2058 struct rt2870_softc *sc;
2059 struct ieee80211com *ic;
2060 struct ifnet *ifp;
2061
2062 ic = vap->iv_ic;
2063 ifp = ic->ic_ifp;
2064 sc = ifp->if_softc;
2065
2066 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2067 "%s: VAP update beacon\n",
2068 device_get_nameunit(sc->dev));
2069
2070 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2071 }
2072
2073 /*
2074 * rt2870_node_alloc
2075 */
2076 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2077 const uint8_t mac[IEEE80211_ADDR_LEN])
2078 {
2079 return malloc(sizeof(struct rt2870_softc_node),
2080 M_80211_NODE, M_NOWAIT | M_ZERO);
2081 }
2082
2083 /*
2084 * rt2870_setregdomain
2085 */
2086 static int rt2870_setregdomain(struct ieee80211com *ic,
2087 struct ieee80211_regdomain *reg,
2088 int nchans, struct ieee80211_channel chans[])
2089 {
2090 struct rt2870_softc *sc;
2091 struct ifnet *ifp;
2092
2093 ifp = ic->ic_ifp;
2094 sc = ifp->if_softc;
2095
2096 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2097 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2098 device_get_nameunit(sc->dev),
2099 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2100
2101 return 0;
2102 }
2103
2104 /*
2105 * rt2870_getradiocaps
2106 */
2107 static void rt2870_getradiocaps(struct ieee80211com *ic,
2108 int maxchans, int *nchans, struct ieee80211_channel chans[])
2109 {
2110 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2111
2112 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2113 }
2114
2115 /*
2116 * rt2870_scan_start
2117 */
2118 static void rt2870_scan_start(struct ieee80211com *ic)
2119 {
2120 struct rt2870_softc *sc;
2121 struct ifnet *ifp;
2122
2123 ifp = ic->ic_ifp;
2124 sc = ifp->if_softc;
2125
2126 RT2870_SOFTC_LOCK(sc);
2127
2128 rt2870_asic_disable_tsf_sync(sc);
2129
2130 RT2870_SOFTC_UNLOCK(sc);
2131 }
2132
2133 /*
2134 * rt2870_scan_end
2135 */
2136 static void rt2870_scan_end(struct ieee80211com *ic)
2137 {
2138 struct rt2870_softc *sc;
2139 struct ifnet *ifp;
2140
2141 ifp = ic->ic_ifp;
2142 sc = ifp->if_softc;
2143
2144 RT2870_SOFTC_LOCK(sc);
2145
2146 rt2870_asic_enable_tsf_sync(sc);
2147
2148 RT2870_SOFTC_UNLOCK(sc);
2149 }
2150
2151 /*
2152 * rt2870_set_channel
2153 */
2154 static void rt2870_set_channel(struct ieee80211com *ic)
2155 {
2156 struct rt2870_softc *sc;
2157 struct ifnet *ifp;
2158
2159 ifp = ic->ic_ifp;
2160 sc = ifp->if_softc;
2161
2162 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2163 "%s: set channel: channel=%u, HT%s%s\n",
2164 device_get_nameunit(sc->dev),
2165 ieee80211_chan2ieee(ic, ic->ic_curchan),
2166 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2167 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2168 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2169 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2170
2171 RT2870_SOFTC_LOCK(sc);
2172
2173 rt2870_rf_set_chan(sc, ic->ic_curchan);
2174
2175 RT2870_SOFTC_UNLOCK(sc);
2176 }
2177
2178 /*
2179 * rt2870_newassoc
2180 */
2181 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2182 {
2183 struct rt2870_softc *sc;
2184 struct ieee80211com *ic;
2185 struct ifnet *ifp;
2186 struct ieee80211vap *vap;
2187 struct rt2870_softc_vap *rvap;
2188 uint16_t associd;
2189 uint8_t wcid;
2190
2191 vap = ni->ni_vap;
2192 ic = vap->iv_ic;
2193 ifp = ic->ic_ifp;
2194 sc = ifp->if_softc;
2195 rvap = (struct rt2870_softc_vap *) vap;
2196
2197 associd = (ni != NULL) ? ni->ni_associd : 0;
2198 wcid = RT2870_AID2WCID(associd);
2199
2200 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2201 "%s: new association: wcid=0x%02x, "
2202 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2203 device_get_nameunit(sc->dev), wcid,
2204 ether_sprintf(ni->ni_macaddr),
2205 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2206 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2207 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2208
2209 RT2870_SOFTC_LOCK(sc);
2210
2211 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2212 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2213
2214 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2215
2216 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2217 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2218 device_get_nameunit(sc->dev),
2219 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2220 ni->ni_associd, ni->ni_txrate,
2221 (ni->ni_flags & IEEE80211_NODE_HT) ?
2222 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2223 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2224
2225 rt2870_asic_updateprot(sc);
2226 rt2870_asic_updateslot(sc);
2227 rt2870_asic_set_txpreamble(sc);
2228
2229 RT2870_SOFTC_UNLOCK(sc);
2230 }
2231
2232 /*
2233 * rt2870_updateslot
2234 */
2235 static void rt2870_updateslot(struct ifnet *ifp)
2236 {
2237 struct rt2870_softc *sc;
2238
2239 sc = ifp->if_softc;
2240
2241 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2242 }
2243
2244 /*
2245 * rt2870_update_promisc
2246 */
2247 static void rt2870_update_promisc(struct ifnet *ifp)
2248 {
2249 struct rt2870_softc *sc;
2250
2251 sc = ifp->if_softc;
2252
2253 RT2870_SOFTC_LOCK(sc);
2254
2255 rt2870_asic_update_promisc(sc);
2256
2257 RT2870_SOFTC_UNLOCK(sc);
2258 }
2259
2260 /*
2261 * rt2870_update_mcast
2262 */
2263 static void rt2870_update_mcast(struct ifnet *ifp)
2264 {
2265 struct rt2870_softc *sc;
2266
2267 sc = ifp->if_softc;
2268 }
2269
2270 /*
2271 * rt2870_wme_update
2272 */
2273 static int rt2870_wme_update(struct ieee80211com *ic)
2274 {
2275 struct rt2870_softc *sc;
2276 struct ifnet *ifp;
2277
2278 ifp = ic->ic_ifp;
2279 sc = ifp->if_softc;
2280
2281 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2282
2283 return 0;
2284 }
2285
2286 /*
2287 * rt2870_raw_xmit
2288 */
2289 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2290 const struct ieee80211_bpf_params *params)
2291 {
2292 struct rt2870_softc *sc;
2293 struct ieee80211com *ic;
2294 struct ifnet *ifp;
2295
2296 ic = ni->ni_ic;
2297 ifp = ic->ic_ifp;
2298 sc = ifp->if_softc;
2299
2300 RT2870_SOFTC_LOCK(sc);
2301
2302 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2303 {
2304 RT2870_SOFTC_UNLOCK(sc);
2305
2306 m_freem(m);
2307 ieee80211_free_node(ni);
2308
2309 return ENETDOWN;
2310 }
2311
2312 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2313 {
2314 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2315 "%s: raw xmit: Tx ring with qid=%d is full\n",
2316 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2317
2318 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2319
2320 RT2870_SOFTC_UNLOCK(sc);
2321
2322 m_freem(m);
2323 ieee80211_free_node(ni);
2324
2325 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2326
2327 return ENOBUFS;
2328 }
2329
2330 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2331 {
2332 ifp->if_oerrors++;
2333
2334 RT2870_SOFTC_UNLOCK(sc);
2335
2336 ieee80211_free_node(ni);
2337
2338 return EIO;
2339 }
2340
2341 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2342
2343 RT2870_SOFTC_UNLOCK(sc);
2344
2345 return 0;
2346 }
2347
2348 /*
2349 * rt2870_recv_action
2350 */
2351 static int rt2870_recv_action(struct ieee80211_node *ni,
2352 const struct ieee80211_frame *wh,
2353 const uint8_t *frm, const uint8_t *efrm)
2354 {
2355 struct rt2870_softc *sc;
2356 struct ieee80211com *ic;
2357 struct ifnet *ifp;
2358 const struct ieee80211_action *ia;
2359 uint16_t associd, status, baparamset;
2360 uint8_t wcid;
2361 int ret, tid, bufsize;
2362 uint32_t tmp;
2363
2364 ic = ni->ni_ic;
2365 ifp = ic->ic_ifp;
2366 sc = ifp->if_softc;
2367
2368 ia = (const struct ieee80211_action *) frm;
2369
2370 ret = sc->recv_action(ni, wh, frm, efrm);
2371
2372 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2373 return ret;
2374
2375 associd = (ni != NULL) ? ni->ni_associd : 0;
2376 wcid = RT2870_AID2WCID(associd);
2377
2378 switch (ia->ia_action)
2379 {
2380 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2381 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2382 baparamset = LE_READ_2(frm + 3);
2383 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2384 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2385
2386 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2387 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2388 device_get_nameunit(sc->dev), associd, tid, bufsize);
2389
2390 RT2870_SOFTC_LOCK(sc);
2391
2392 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2393
2394 tmp |= (0x10000 << tid);
2395
2396 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2397
2398 RT2870_SOFTC_UNLOCK(sc);
2399 break;
2400
2401 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2402 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2403 status = LE_READ_2(frm + 3);
2404 baparamset = LE_READ_2(frm + 4);
2405 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2406 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2407
2408 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2409 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2410 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2411
2412 if (status == IEEE80211_STATUS_SUCCESS)
2413 {
2414 sc->tx_ampdu_sessions++;
2415
2416 RT2870_SOFTC_LOCK(sc);
2417
2418 rt2870_asic_updateprot(sc);
2419
2420 RT2870_SOFTC_UNLOCK(sc);
2421 }
2422 break;
2423
2424 /* IEEE80211_ACTION_BA_DELBA */
2425 case IEEE80211_ACTION_BA_DELBA:
2426 baparamset = LE_READ_2(frm + 2);
2427 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2428
2429 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2430 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2431 device_get_nameunit(sc->dev), associd, tid);
2432
2433 RT2870_SOFTC_LOCK(sc);
2434
2435 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2436
2437 tmp &= ~(0x10000 << tid);
2438
2439 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2440
2441 RT2870_SOFTC_UNLOCK(sc);
2442 break;
2443 }
2444
2445 return ret;
2446 }
2447
2448 /*
2449 * rt2870_send_action
2450 */
2451 static int rt2870_send_action(struct ieee80211_node *ni,
2452 int cat, int act, void *sa)
2453 {
2454 struct rt2870_softc *sc;
2455 struct ieee80211com *ic;
2456 struct ifnet *ifp;
2457 uint16_t associd, *args, baparamset;
2458 uint8_t wcid;
2459 int ret, tid;
2460 uint32_t tmp;
2461
2462 ic = ni->ni_ic;
2463 ifp = ic->ic_ifp;
2464 sc = ifp->if_softc;
2465
2466 ret = sc->send_action(ni, cat, act, sa);
2467
2468 if (cat != IEEE80211_ACTION_CAT_BA)
2469 return ret;
2470
2471 associd = (ni != NULL) ? ni->ni_associd : 0;
2472 wcid = RT2870_AID2WCID(associd);
2473 args = sa;
2474
2475 switch (act)
2476 {
2477 /* IEEE80211_ACTION_BA_DELBA */
2478 case IEEE80211_ACTION_BA_DELBA:
2479 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2480
2481 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2482
2483 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2484 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2485 device_get_nameunit(sc->dev), associd, tid);
2486
2487 RT2870_SOFTC_LOCK(sc);
2488
2489 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2490 {
2491 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2492
2493 tmp &= ~(0x10000 << tid);
2494
2495 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2496 }
2497 else
2498 {
2499 sc->tx_ampdu_sessions--;
2500
2501 rt2870_asic_updateprot(sc);
2502 }
2503
2504 RT2870_SOFTC_UNLOCK(sc);
2505 break;
2506 }
2507
2508 return ret;
2509 }
2510
2511 /*
2512 * rt2870_amrr_update_iter_func
2513 */
2514 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2515 {
2516 struct rt2870_softc *sc;
2517 struct ieee80211com *ic;
2518 struct ifnet *ifp;
2519 struct ieee80211vap *vap;
2520 struct rt2870_softc_vap *rvap;
2521 uint8_t wcid;
2522
2523 vap = arg;
2524 ic = vap->iv_ic;
2525 ifp = ic->ic_ifp;
2526 sc = ifp->if_softc;
2527 rvap = (struct rt2870_softc_vap *) vap;
2528
2529 /* only associated stations */
2530
2531 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2532 {
2533 wcid = RT2870_AID2WCID(ni->ni_associd);
2534
2535 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2536 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2537 device_get_nameunit(sc->dev),
2538 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2539
2540 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2541
2542 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2543 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2544 device_get_nameunit(sc->dev),
2545 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2546 ni->ni_associd, ni->ni_txrate,
2547 (ni->ni_flags & IEEE80211_NODE_HT) ?
2548 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2549 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2550 }
2551 }
2552
2553 /*
2554 * rt2870_periodic
2555 */
2556 static void rt2870_periodic(void *arg)
2557 {
2558 struct rt2870_softc *sc;
2559 struct ifnet *ifp;
2560
2561 sc = arg;
2562 ifp = sc->ifp;
2563
2564 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2565 "%s: periodic\n",
2566 device_get_nameunit(sc->dev));
2567
2568 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2569 return;
2570
2571 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2572 }
2573
2574 /*
2575 * rt2870_tx_watchdog
2576 */
2577 static void rt2870_tx_watchdog(void *arg)
2578 {
2579 struct rt2870_softc *sc;
2580 struct ifnet *ifp;
2581
2582 sc = arg;
2583 ifp = sc->ifp;
2584
2585 if (sc->tx_timer == 0)
2586 return;
2587
2588 if (--sc->tx_timer == 0)
2589 {
2590 printf("%s: Tx watchdog timeout: resetting\n",
2591 device_get_nameunit(sc->dev));
2592
2593 rt2870_stop_locked(sc);
2594 rt2870_init_locked(sc);
2595
2596 ifp->if_oerrors++;
2597
2598 sc->tx_watchdog_timeouts++;
2599 }
2600
2601 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2602 }
2603
2604 /*
2605 * rt2870_do_async
2606 */
2607 static int rt2870_do_async(struct rt2870_softc *sc,
2608 void (*cb)(struct rt2870_softc *sc, void *arg),
2609 void *arg, int len)
2610 {
2611 struct ifnet *ifp;
2612 struct rt2870_softc_cmd_ring *ring;
2613 struct rt2870_softc_cmd *cmd;
2614 int run_cmd_task;
2615
2616 ifp = sc->ifp;
2617 ring = &sc->cmd_ring;
2618
2619 RT2870_SOFTC_LOCK(sc);
2620
2621 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2622 {
2623 RT2870_SOFTC_UNLOCK(sc);
2624 return -1;
2625 }
2626
2627 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2628 {
2629 RT2870_SOFTC_UNLOCK(sc);
2630 return -1;
2631 }
2632
2633 cmd = STAILQ_FIRST(&ring->inactive);
2634 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2635
2636 cmd->cb = cb;
2637
2638 if(arg != NULL)
2639 memcpy(cmd->data, arg, len);
2640
2641 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2642 ring->queued++;
2643
2644 run_cmd_task = (ring->queued == 1);
2645
2646 RT2870_SOFTC_UNLOCK(sc);
2647
2648 if (run_cmd_task)
2649 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2650
2651 return 0;
2652 }
2653
2654 /*
2655 * rt2870_updateslot_cb
2656 */
2657 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2658 {
2659 RT2870_SOFTC_LOCK(sc);
2660
2661 rt2870_asic_updateslot(sc);
2662
2663 RT2870_SOFTC_UNLOCK(sc);
2664 }
2665
2666 /*
2667 * rt2870_wme_update_cb
2668 */
2669 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2670 {
2671 RT2870_SOFTC_LOCK(sc);
2672
2673 rt2870_asic_wme_update(sc);
2674
2675 RT2870_SOFTC_UNLOCK(sc);
2676 }
2677
2678 /*
2679 * rt2870_vap_key_set_cb
2680 */
2681 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
2682 {
2683 struct ieee80211com *ic;
2684 struct ifnet *ifp;
2685 struct ieee80211vap *vap;
2686 struct ieee80211_key *k;
2687 struct rt2870_cmd_argv_keyset *cmd_argv;
2688 uint16_t associd, key_base, keymode_base;
2689 uint8_t mode, vapid, wcid, iv[8];
2690 uint32_t tmp;
2691
2692 ifp = sc->ifp;
2693 ic = ifp->if_l2com;
2694 vap = TAILQ_FIRST(&ic->ic_vaps);
2695 cmd_argv = arg;
2696 k = &cmd_argv->key;
2697 associd = cmd_argv->associd;
2698
2699 switch (k->wk_cipher->ic_cipher)
2700 {
2701 case IEEE80211_CIPHER_WEP:
2702 if(k->wk_keylen < 8)
2703 mode = RT2870_REG_CIPHER_MODE_WEP40;
2704 else
2705 mode = RT2870_REG_CIPHER_MODE_WEP104;
2706 break;
2707
2708 case IEEE80211_CIPHER_TKIP:
2709 mode = RT2870_REG_CIPHER_MODE_TKIP;
2710 break;
2711
2712 case IEEE80211_CIPHER_AES_CCM:
2713 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2714 break;
2715
2716 default:
2717 return;
2718 }
2719
2720 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2721 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2722 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2723 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2724
2725 RT2870_SOFTC_LOCK(sc);
2726
2727 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2728 {
2729 /* install pairwise key */
2730
2731 vapid = 0;
2732 wcid = RT2870_AID2WCID(associd);
2733 key_base = RT2870_REG_PKEY(wcid);
2734
2735 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2736 {
2737 memset(iv, 0, 8);
2738
2739 iv[3] = (k->wk_keyix << 6);
2740 }
2741 else
2742 {
2743 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2744 {
2745 iv[0] = (k->wk_keytsc >> 8);
2746 iv[1] = ((iv[0] | 0x20) & 0x7f);
2747 iv[2] = k->wk_keytsc;
2748 }
2749 else
2750 {
2751 /* AES CCMP */
2752
2753 iv[0] = k->wk_keytsc;
2754 iv[1] = k->wk_keytsc >> 8;
2755 iv[2] = 0;
2756 }
2757
2758 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2759 iv[4] = (k->wk_keytsc >> 16);
2760 iv[5] = (k->wk_keytsc >> 24);
2761 iv[6] = (k->wk_keytsc >> 32);
2762 iv[7] = (k->wk_keytsc >> 40);
2763
2764 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2765 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2766 device_get_nameunit(sc->dev),
2767 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2768 }
2769
2770 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2771
2772 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2773 {
2774 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2775
2776 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2777 {
2778 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2779 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2780 }
2781 else
2782 {
2783 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2784 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2785 }
2786 }
2787 else
2788 {
2789 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2790 }
2791
2792 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2793 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2794
2795 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2796 }
2797
2798 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2799 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2800 {
2801 /* install group key */
2802
2803 vapid = 0;
2804 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2805 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2806
2807 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2808 {
2809 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2810
2811 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2812 {
2813 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2814 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2815 }
2816 else
2817 {
2818 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2819 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2820 }
2821 }
2822 else
2823 {
2824 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2825 }
2826
2827 tmp = rt2870_io_mac_read(sc, keymode_base);
2828
2829 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2830 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2831
2832 rt2870_io_mac_write(sc, keymode_base, tmp);
2833 }
2834
2835 RT2870_SOFTC_UNLOCK(sc);
2836 }
2837
2838 /*
2839 * rt2870_vap_key_delete_cb
2840 */
2841 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2842 {
2843 struct ieee80211_key *k;
2844 struct rt2870_cmd_argv_keydelete *cmd_argv;
2845 uint16_t associd;
2846 uint8_t vapid, wcid;
2847 uint32_t tmp;
2848
2849 cmd_argv = arg;
2850 k = &cmd_argv->key;
2851 associd = cmd_argv->associd;
2852
2853 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2854 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2855 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2856 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2857
2858 RT2870_SOFTC_LOCK(sc);
2859
2860 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2861 {
2862 /* remove pairwise key */
2863
2864 vapid = 0;
2865 wcid = RT2870_AID2WCID(associd);
2866
2867 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2868 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2869
2870 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2871 }
2872 else
2873 {
2874 /* remove group key */
2875
2876 vapid = 0;
2877
2878 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2879
2880 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2881 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2882
2883 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2884 }
2885
2886 RT2870_SOFTC_UNLOCK(sc);
2887 }
2888
2889 /*
2890 * rt2870_vap_update_beacon_cb
2891 */
2892 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2893 {
2894 struct ifnet *ifp;
2895 struct ieee80211com *ic;
2896 struct ieee80211vap *vap;
2897
2898 ifp = sc->ifp;
2899 ic = ifp->if_l2com;
2900 vap = TAILQ_FIRST(&ic->ic_vaps);
2901
2902 if (vap == NULL)
2903 return;
2904
2905 RT2870_SOFTC_LOCK(sc);
2906
2907 rt2870_asic_update_beacon(sc, vap);
2908
2909 RT2870_SOFTC_UNLOCK(sc);
2910 }
2911
2912 /*
2913 * rt2870_asic_set_bssid
2914 */
2915 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2916 const uint8_t *bssid)
2917 {
2918 uint32_t tmp;
2919
2920 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2921 "%s: set bssid: bssid=%s\n",
2922 device_get_nameunit(sc->dev),
2923 ether_sprintf(bssid));
2924
2925 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2926
2927 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2928
2929 tmp = bssid[4] | (bssid[5] << 8);
2930
2931 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2932 }
2933
2934 /*
2935 * rt2870_asic_set_macaddr
2936 */
2937 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2938 const uint8_t *addr)
2939 {
2940 uint32_t tmp;
2941
2942 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2943
2944 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2945
2946 tmp = addr[4] | (addr[5] << 8);
2947
2948 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2949 }
2950
2951 /*
2952 * rt2870_asic_enable_tsf_sync
2953 */
2954 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2955 {
2956 struct ifnet *ifp;
2957 struct ieee80211com *ic;
2958 struct ieee80211vap *vap;
2959 uint32_t tmp;
2960
2961 ifp = sc->ifp;
2962 ic = ifp->if_l2com;
2963 vap = TAILQ_FIRST(&ic->ic_vaps);
2964
2965 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2966 "%s: enabling TSF\n",
2967 device_get_nameunit(sc->dev));
2968
2969 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2970
2971 tmp &= ~0x1fffff;
2972 tmp |= vap->iv_bss->ni_intval * 16;
2973 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2974
2975 if (vap->iv_opmode == IEEE80211_M_STA)
2976 {
2977 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2978 }
2979 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2980 {
2981 tmp |= RT2870_REG_BCN_TX_ENABLE;
2982 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2983 }
2984 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2985 {
2986 tmp |= RT2870_REG_BCN_TX_ENABLE;
2987 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2988 }
2989
2990 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2991 }
2992
2993 /*
2994 * rt2870_asic_disable_tsf_sync
2995 */
2996 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2997 {
2998 uint32_t tmp;
2999
3000 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3001 "%s: disabling TSF\n",
3002 device_get_nameunit(sc->dev));
3003
3004 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3005
3006 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3007 RT2870_REG_TSF_TIMER_ENABLE |
3008 RT2870_REG_TBTT_TIMER_ENABLE);
3009
3010 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3011 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3012
3013 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3014 }
3015
3016 /*
3017 * rt2870_asic_enable_mrr
3018 */
3019 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3020 {
3021 #define CCK(mcs) (mcs)
3022 #define OFDM(mcs) ((1 << 3) | (mcs))
3023 #define HT(mcs) (mcs)
3024
3025 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3026 (OFDM(6) << 28) | /* 54 -> 48 */
3027 (OFDM(5) << 24) | /* 48 -> 36 */
3028 (OFDM(4) << 20) | /* 36 -> 24 */
3029 (OFDM(3) << 16) | /* 24 -> 18 */
3030 (OFDM(2) << 12) | /* 18 -> 12 */
3031 (OFDM(1) << 8) | /* 12 -> 9 */
3032 (OFDM(0) << 4) | /* 9 -> 6 */
3033 OFDM(0)); /* 6 -> 6 */
3034
3035 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3036 (CCK(2) << 12) | /* 11 -> 5.5 */
3037 (CCK(1) << 8) | /* 5.5 -> 2 */
3038 (CCK(0) << 4) | /* 2 -> 1 */
3039 CCK(0)); /* 1 -> 1 */
3040
3041 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3042 (HT(6) << 28) |
3043 (HT(5) << 24) |
3044 (HT(4) << 20) |
3045 (HT(3) << 16) |
3046 (HT(2) << 12) |
3047 (HT(1) << 8) |
3048 (HT(0) << 4) |
3049 HT(0));
3050
3051 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3052 (HT(14) << 28) |
3053 (HT(13) << 24) |
3054 (HT(12) << 20) |
3055 (HT(11) << 16) |
3056 (HT(10) << 12) |
3057 (HT(9) << 8) |
3058 (HT(8) << 4) |
3059 HT(7));
3060
3061 #undef HT
3062 #undef OFDM
3063 #undef CCK
3064 }
3065
3066 /*
3067 * rt2870_asic_set_txpreamble
3068 */
3069 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3070 {
3071 struct ifnet *ifp;
3072 struct ieee80211com *ic;
3073 uint32_t tmp;
3074
3075 ifp = sc->ifp;
3076 ic = ifp->if_l2com;
3077
3078 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3079 "%s: %s short Tx preamble\n",
3080 device_get_nameunit(sc->dev),
3081 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3082
3083 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3084
3085 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3086
3087 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3088 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3089
3090 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3091 }
3092
3093 /*
3094 * rt2870_asic_set_basicrates
3095 */
3096 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3097 {
3098 struct ifnet *ifp;
3099 struct ieee80211com *ic;
3100
3101 ifp = sc->ifp;
3102 ic = ifp->if_l2com;
3103
3104 if (ic->ic_curmode == IEEE80211_MODE_11B)
3105 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3106 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3107 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3108 else
3109 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3110 }
3111
3112 /*
3113 * rt2870_asic_update_rtsthreshold
3114 */
3115 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3116 {
3117 struct ifnet *ifp;
3118 struct ieee80211com *ic;
3119 struct ieee80211vap *vap;
3120 uint32_t tmp;
3121 uint16_t threshold;
3122
3123 ifp = sc->ifp;
3124 ic = ifp->if_l2com;
3125 vap = TAILQ_FIRST(&ic->ic_vaps);
3126
3127 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3128 "%s: updating RTS threshold: %d\n",
3129 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3130
3131 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3132
3133 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3134
3135 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
3136 vap->iv_rtsthreshold : 0x1000;
3137
3138 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3139 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3140
3141 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3142 }
3143
3144 /*
3145 * rt2870_asic_update_txpower
3146 */
3147 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3148 {
3149 struct ifnet *ifp;
3150 struct ieee80211com *ic;
3151 uint32_t *txpow_rate;
3152 int8_t delta;
3153 uint8_t val;
3154 uint32_t tmp;
3155 int i;
3156
3157 ifp = sc->ifp;
3158 ic = ifp->if_l2com;
3159
3160 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3161 "%s: updating Tx power: %d\n",
3162 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3163
3164 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3165 {
3166 txpow_rate = sc->txpow_rate_20mhz;
3167 }
3168 else
3169 {
3170 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3171 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3172 else
3173 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3174 }
3175
3176 delta = 0;
3177
3178 val = rt2870_io_bbp_read(sc, 1);
3179 val &= 0xfc;
3180
3181 if (ic->ic_txpowlimit > 90)
3182 {
3183 /* do nothing */
3184 }
3185 else if (ic->ic_txpowlimit > 60)
3186 {
3187 delta -= 1;
3188 }
3189 else if (ic->ic_txpowlimit > 30)
3190 {
3191 delta -= 3;
3192 }
3193 else if (ic->ic_txpowlimit > 15)
3194 {
3195 val |= 0x1;
3196 }
3197 else if (ic->ic_txpowlimit > 9)
3198 {
3199 val |= 0x1;
3200 delta -= 3;
3201 }
3202 else
3203 {
3204 val |= 0x2;
3205 }
3206
3207 rt2870_io_bbp_write(sc, 1, val);
3208
3209 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3210 {
3211 if (txpow_rate[i] == 0xffffffff)
3212 continue;
3213
3214 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3215
3216 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3217 }
3218 }
3219
3220 /*
3221 * rt2870_asic_update_promisc
3222 */
3223 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3224 {
3225 struct ifnet *ifp;
3226 uint32_t tmp;
3227
3228 ifp = sc->ifp;
3229
3230 printf("%s: %s promiscuous mode\n",
3231 device_get_nameunit(sc->dev),
3232 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3233
3234 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3235
3236 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3237
3238 if (!(ifp->if_flags & IFF_PROMISC))
3239 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3240
3241 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3242 }
3243
3244 /*
3245 * rt2870_asic_updateprot
3246 */
3247 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3248 {
3249 struct ifnet *ifp;
3250 struct ieee80211com *ic;
3251 struct ieee80211vap *vap;
3252 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3253 uint8_t htopmode;
3254 enum ieee80211_protmode htprotmode;
3255
3256 ifp = sc->ifp;
3257 ic = ifp->if_l2com;
3258 vap = TAILQ_FIRST(&ic->ic_vaps);
3259
3260 /* CCK frame protection */
3261
3262 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3263 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3264
3265 /* set up protection frame phy mode and rate (MCS code) */
3266
3267 if (ic->ic_curmode == IEEE80211_MODE_11A)
3268 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3269 (0 << RT2870_REG_PROT_MCS_SHIFT);
3270 else
3271 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3272 (3 << RT2870_REG_PROT_MCS_SHIFT));
3273
3274 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3275
3276 /* OFDM frame protection */
3277
3278 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3279 RT2870_REG_TXOP_ALLOW_ALL;
3280
3281 if (ic->ic_flags & IEEE80211_F_USEPROT)
3282 {
3283 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3284 "%s: updating protection mode: b/g protection mode=%s\n",
3285 device_get_nameunit(sc->dev),
3286 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3287 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3288
3289 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3290 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3291 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3292 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3293 else
3294 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3295 }
3296 else
3297 {
3298 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3299 "%s: updating protection mode: b/g protection mode=%s\n",
3300 device_get_nameunit(sc->dev), "none");
3301
3302 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3303 }
3304
3305 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3306
3307 /* HT frame protection */
3308
3309 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3310 htopmode = vap->iv_bss->ni_htopmode;
3311 else
3312 htopmode = ic->ic_curhtprotmode;
3313
3314 htprotmode = ic->ic_htprotmode;
3315
3316 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3317
3318 if (sc->tx_ampdu_sessions > 0)
3319 {
3320 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3321 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3322 device_get_nameunit(sc->dev));
3323
3324 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3325 htprotmode = IEEE80211_PROT_RTSCTS;
3326 }
3327
3328 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3329 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3330 device_get_nameunit(sc->dev),
3331 htopmode & IEEE80211_HTINFO_OPMODE,
3332 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3333 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3334
3335 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3336 {
3337 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3338 case IEEE80211_HTINFO_OPMODE_HT20PR:
3339 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3340 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3341 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3342 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3343 (4 << RT2870_REG_PROT_MCS_SHIFT);
3344
3345 gf20_prot = mm20_prot;
3346
3347 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3348 RT2870_REG_TXOP_ALLOW_ALL |
3349 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3350 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3351
3352 if (htprotmode == IEEE80211_PROT_RTSCTS)
3353 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3354 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3355 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3356 else
3357 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3358
3359 gf40_prot = mm40_prot;
3360 break;
3361
3362 /* IEEE80211_HTINFO_OPMODE_MIXED */
3363 case IEEE80211_HTINFO_OPMODE_MIXED:
3364 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3365 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3366 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3367
3368 if (ic->ic_flags & IEEE80211_F_USEPROT)
3369 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3370 (3 << RT2870_REG_PROT_MCS_SHIFT);
3371 else
3372 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3373 (4 << RT2870_REG_PROT_MCS_SHIFT);
3374
3375 if (htprotmode == IEEE80211_PROT_RTSCTS)
3376 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3377 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3378 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3379 else
3380 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3381
3382 gf20_prot = mm20_prot;
3383
3384 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3385
3386 if (ic->ic_flags & IEEE80211_F_USEPROT)
3387 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3388 (3 << RT2870_REG_PROT_MCS_SHIFT);
3389 else
3390 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3391 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3392
3393 if (htprotmode == IEEE80211_PROT_RTSCTS)
3394 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3395 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3396 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3397 else
3398 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3399
3400 gf40_prot = mm40_prot;
3401 break;
3402
3403 /*
3404 * IEEE80211_HTINFO_OPMODE_PURE
3405 * IEEE80211_HTINFO_OPMODE_PROTOPT
3406 */
3407 case IEEE80211_HTINFO_OPMODE_PURE:
3408 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3409 default:
3410 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3411 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3412 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3413 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3414 (4 << RT2870_REG_PROT_MCS_SHIFT);
3415
3416 gf20_prot = mm20_prot;
3417
3418 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3419 RT2870_REG_TXOP_ALLOW_ALL |
3420 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3421 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3422
3423 gf40_prot = mm40_prot;
3424 break;
3425 }
3426
3427 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3428 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3429 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3430 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3431 }
3432
3433 /*
3434 * rt2870_asic_updateslot
3435 */
3436 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3437 {
3438 struct ifnet *ifp;
3439 struct ieee80211com *ic;
3440 uint32_t tmp;
3441
3442 ifp = sc->ifp;
3443 ic = ifp->if_l2com;
3444
3445 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3446 "%s: %s short slot time\n",
3447 device_get_nameunit(sc->dev),
3448 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3449
3450 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3451
3452 tmp &= ~0xff;
3453 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3454
3455 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3456 }
3457
3458 /*
3459 * rt2870_asic_wme_update
3460 */
3461 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3462 {
3463 struct ifnet *ifp;
3464 struct ieee80211com *ic;
3465 struct ieee80211_wme_state *wme;
3466 const struct wmeParams *wmep;
3467 int i;
3468
3469 ifp = sc->ifp;
3470 ic = ifp->if_l2com;
3471 wme = &ic->ic_wme;
3472 wmep = wme->wme_chanParams.cap_wmeParams;
3473
3474 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3475 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3476 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3477 device_get_nameunit(sc->dev),
3478 wmep[WME_AC_VO].wmep_aifsn,
3479 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3480 wmep[WME_AC_VO].wmep_txopLimit,
3481 wmep[WME_AC_VI].wmep_aifsn,
3482 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3483 wmep[WME_AC_VI].wmep_txopLimit,
3484 wmep[WME_AC_BK].wmep_aifsn,
3485 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3486 wmep[WME_AC_BK].wmep_txopLimit,
3487 wmep[WME_AC_BE].wmep_aifsn,
3488 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3489 wmep[WME_AC_BE].wmep_txopLimit);
3490
3491 for (i = 0; i < WME_NUM_AC; i++)
3492 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3493 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3494 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3495
3496 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3497 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3498 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3499
3500 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3501 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3502 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3503
3504 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3505 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3506 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3507
3508 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3509 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3510
3511 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3512 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3513 }
3514
3515 /*
3516 * rt2870_asic_update_beacon
3517 */
3518 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
3519 struct ieee80211vap *vap)
3520 {
3521 struct ifnet *ifp;
3522 struct ieee80211com *ic;
3523 struct rt2870_softc_vap *rvap;
3524 const struct ieee80211_txparam *tp;
3525 struct mbuf *m;
3526 struct rt2870_txwi txwi;
3527 uint8_t rate, mcs;
3528 uint32_t tmp;
3529
3530 ifp = sc->ifp;
3531 ic = ifp->if_l2com;
3532 rvap = (struct rt2870_softc_vap *) vap;
3533 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3534
3535 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3536 if (m == NULL)
3537 return ENOMEM;
3538
3539 rate = tp->mgmtrate;
3540 mcs = rt2870_rate2mcs(rate);
3541
3542 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3543
3544 txwi.wcid = 0xff;
3545 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3546 RT2870_TXWI_MPDU_LEN_SHIFT);
3547 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3548 txwi.mpdu_density_flags |=
3549 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3550 txwi.bawin_size_xflags |=
3551 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3552
3553 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3554 {
3555 txwi.phymode_ifs_stbc_shortgi =
3556 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3557
3558 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3559 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3560 }
3561 else
3562 {
3563 txwi.phymode_ifs_stbc_shortgi =
3564 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3565 }
3566
3567 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3568 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3569
3570 /* disable temporarily TSF sync */
3571
3572 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3573
3574 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3575 RT2870_REG_TSF_TIMER_ENABLE |
3576 RT2870_REG_TBTT_TIMER_ENABLE);
3577
3578 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3579
3580 /* write Tx wireless info and beacon frame to on-chip memory */
3581
3582 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3583 &txwi, sizeof(struct rt2870_txwi));
3584
3585 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3586 mtod(m, uint8_t *), m->m_pkthdr.len);
3587
3588 /* enable again TSF sync */
3589
3590 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3591
3592 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3593 RT2870_REG_TSF_TIMER_ENABLE |
3594 RT2870_REG_TBTT_TIMER_ENABLE);
3595
3596 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3597
3598 m_freem(m);
3599
3600 return 0;
3601 }
3602
3603 /*
3604 * rt2870_asic_clear_keytables
3605 */
3606 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3607 {
3608 int i;
3609
3610 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3611
3612 for (i = 0; i < 256; i++)
3613 {
3614 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3615 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3616 }
3617
3618 /* clear WCID attribute table (entries = 256, entry size = 4) */
3619
3620 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3621
3622 /* clear IV/EIV table (entries = 256, entry size = 8) */
3623
3624 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3625
3626 /* clear pairwise key table (entries = 256, entry size = 32) */
3627
3628 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3629
3630 /* clear shared key table (entries = 32, entry size = 32) */
3631
3632 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3633
3634 /* clear shared key mode (entries = 32, entry size = 2) */
3635
3636 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3637 }
3638
3639 /*
3640 * rt2870_rxrate
3641 */
3642 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3643 {
3644 uint8_t mcs, phymode;
3645 uint8_t rate;
3646
3647 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3648 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3649 RT2870_RXWI_PHYMODE_MASK;
3650
3651 rate = 2;
3652
3653 switch (phymode)
3654 {
3655 case RT2870_RXWI_PHYMODE_CCK:
3656 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3657 {
3658 case 0: rate = 2; break; /* 1 Mbps */
3659 case 1: rate = 4; break; /* 2 MBps */
3660 case 2: rate = 11; break; /* 5.5 Mbps */
3661 case 3: rate = 22; break; /* 11 Mbps */
3662 }
3663 break;
3664
3665 case RT2870_RXWI_PHYMODE_OFDM:
3666 switch (mcs)
3667 {
3668 case 0: rate = 12; break; /* 6 Mbps */
3669 case 1: rate = 18; break; /* 9 Mbps */
3670 case 2: rate = 24; break; /* 12 Mbps */
3671 case 3: rate = 36; break; /* 18 Mbps */
3672 case 4: rate = 48; break; /* 24 Mbps */
3673 case 5: rate = 72; break; /* 36 Mbps */
3674 case 6: rate = 96; break; /* 48 Mbps */
3675 case 7: rate = 108; break; /* 54 Mbps */
3676 }
3677 break;
3678
3679 case RT2870_RXWI_PHYMODE_HT_MIXED:
3680 case RT2870_RXWI_PHYMODE_HT_GF:
3681 break;
3682 }
3683
3684 return rate;
3685 }
3686
3687 /*
3688 * rt2870_maxrssi_rxpath
3689 */
3690 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3691 const struct rt2870_rxwi *rxwi)
3692 {
3693 uint8_t rxpath;
3694
3695 rxpath = 0;
3696
3697 if (sc->nrxpath > 1)
3698 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3699 rxpath = 1;
3700
3701 if (sc->nrxpath > 2)
3702 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3703 rxpath = 2;
3704
3705 return rxpath;
3706 }
3707
3708 /*
3709 * rt2870_rssi2dbm
3710 */
3711 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3712 uint8_t rssi, uint8_t rxpath)
3713 {
3714 struct ifnet *ifp;
3715 struct ieee80211com *ic;
3716 struct ieee80211_channel *c;
3717 int chan;
3718 int8_t rssi_off, lna_gain;
3719
3720 if (rssi == 0)
3721 return -99;
3722
3723 ifp = sc->ifp;
3724 ic = ifp->if_l2com;
3725 c = ic->ic_curchan;
3726 chan = ieee80211_chan2ieee(ic, c);
3727
3728 if (IEEE80211_IS_CHAN_5GHZ(c))
3729 {
3730 rssi_off = sc->rssi_off_5ghz[rxpath];
3731
3732 if (chan <= 64)
3733 lna_gain = sc->lna_gain[1];
3734 else if (chan <= 128)
3735 lna_gain = sc->lna_gain[2];
3736 else
3737 lna_gain = sc->lna_gain[3];
3738 }
3739 else
3740 {
3741 rssi_off = sc->rssi_off_2ghz[rxpath];
3742 lna_gain = sc->lna_gain[0];
3743 }
3744
3745 return (-12 - rssi_off - lna_gain - rssi);
3746 }
3747
3748 /*
3749 * rt2870_rate2mcs
3750 */
3751 static uint8_t rt2870_rate2mcs(uint8_t rate)
3752 {
3753 switch (rate)
3754 {
3755 /* CCK rates */
3756 case 2: return 0;
3757 case 4: return 1;
3758 case 11: return 2;
3759 case 22: return 3;
3760
3761 /* OFDM rates */
3762 case 12: return 0;
3763 case 18: return 1;
3764 case 24: return 2;
3765 case 36: return 3;
3766 case 48: return 4;
3767 case 72: return 5;
3768 case 96: return 6;
3769 case 108: return 7;
3770 }
3771
3772 return 0;
3773 }
3774
3775 /*
3776 * rt2870_rx_frame
3777 */
3778 static void rt2870_rx_frame(struct rt2870_softc *sc,
3779 uint8_t *buf, uint32_t dmalen)
3780 {
3781 struct ifnet *ifp;
3782 struct ieee80211com *ic;
3783 struct ieee80211_frame *wh;
3784 struct ieee80211_node *ni;
3785 struct rt2870_softc_rx_radiotap_header *tap;
3786 struct rt2870_rxwi *rxwi;
3787 struct rt2870_rxinfo *rxinfo;
3788 struct mbuf *m;
3789 uint32_t rxinfo_flags;
3790 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3791 int8_t rssi_dbm;
3792 int len, ampdu, amsdu, rssi_dbm_rel;
3793
3794 ifp = sc->ifp;
3795 ic = ifp->if_l2com;
3796
3797 /* get Rx wireless info */
3798
3799 rxwi = (struct rt2870_rxwi *) buf;
3800 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3801 RT2870_RXWI_SIZE_MASK;
3802
3803 if (len > dmalen)
3804 {
3805 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3806 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3807 device_get_nameunit(sc->dev), dmalen, len);
3808 return;
3809 }
3810
3811 /* get Rx info */
3812
3813 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3814 rxinfo_flags = le32toh(rxinfo->flags);
3815
3816 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3817 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3818 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3819
3820 /* check for crc errors */
3821
3822 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3823 {
3824 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3825 "%s: rxinfo: crc error\n",
3826 device_get_nameunit(sc->dev));
3827
3828 ifp->if_ierrors++;
3829
3830 if (!(ifp->if_flags & IFF_PROMISC))
3831 return;
3832 }
3833
3834 wh = (struct ieee80211_frame *) (rxwi + 1);
3835
3836 /* check for L2 padding between IEEE 802.11 frame header and body */
3837
3838 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3839 {
3840 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3841 "%s: L2 padding: DMA len=%d, len=%d\n",
3842 device_get_nameunit(sc->dev), dmalen, len);
3843
3844 len += 2;
3845 }
3846
3847 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3848 if (m == NULL)
3849 {
3850 sc->rx_mbuf_alloc_errors++;
3851 ifp->if_ierrors++;
3852 return;
3853 }
3854
3855 m->m_pkthdr.rcvif = ifp;
3856 m->m_pkthdr.len = m->m_len = len;
3857
3858 m_copyback(m, 0, len, (caddr_t) wh);
3859
3860 wh = mtod(m, struct ieee80211_frame *);
3861
3862 /* check for cipher errors */
3863
3864 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3865 {
3866 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3867 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3868 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3869 {
3870 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3871 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3872
3873 m->m_flags |= M_WEP;
3874 }
3875 else
3876 {
3877 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3878 "%s: rxinfo: cipher error=0x%02x\n",
3879 device_get_nameunit(sc->dev), cipher_err);
3880
3881 ifp->if_ierrors++;
3882
3883 if (!(ifp->if_flags & IFF_PROMISC))
3884 {
3885 m_free(m);
3886 return;
3887 }
3888 }
3889 }
3890 else
3891 {
3892 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3893 {
3894 ifp->if_ierrors++;
3895
3896 if (!(ifp->if_flags & IFF_PROMISC))
3897 {
3898 m_free(m);
3899 return;
3900 }
3901 }
3902 }
3903
3904 /* check for A-MPDU */
3905
3906 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3907 {
3908 m->m_flags |= M_AMPDU;
3909
3910 sc->rx_ampdu++;
3911
3912 ampdu = 1;
3913 }
3914 else
3915 {
3916 ampdu = 0;
3917 }
3918
3919 /* check for A-MSDU */
3920
3921 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3922 {
3923 sc->rx_amsdu++;
3924
3925 amsdu = 1;
3926 }
3927 else
3928 {
3929 amsdu = 0;
3930 }
3931
3932 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3933 rssi = rxwi->rssi[ant];
3934 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3935 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3936 RT2870_RXWI_PHYMODE_MASK);
3937 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3938 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3939 RT2870_RXWI_SHORTGI_MASK);
3940 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3941
3942 if (ieee80211_radiotap_active(ic))
3943 {
3944 tap = &sc->rxtap;
3945
3946 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
3947 tap->dbm_antsignal = rssi_dbm;
3948 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3949 tap->antenna = ant;
3950 tap->antsignal = rssi;
3951 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3952 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3953 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3954 tap->chan_maxpow = 0;
3955
3956 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3957 tap->rate = rt2870_rxrate(rxwi);
3958 else
3959 tap->rate = mcs | IEEE80211_RATE_MCS;
3960
3961 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3962 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3963
3964 if (shortgi)
3965 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3966 }
3967
3968 /*
3969 * net80211 assumes that RSSI data are in the range [-127..127] and
3970 * in .5 dBm units relative to the current noise floor
3971 */
3972
3973 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
3974 if (rssi_dbm_rel > 127)
3975 rssi_dbm_rel = 127;
3976
3977 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3978 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3979 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
3980 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
3981 device_get_nameunit(sc->dev),
3982 len, phymode, bw, shortgi, mcs,
3983 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3984 rxwi->snr[0], rxwi->snr[1],
3985 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
3986
3987 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3988 if (ni != NULL)
3989 {
3990 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
3991 ieee80211_free_node(ni);
3992 }
3993 else
3994 {
3995 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
3996 }
3997 }
3998
3999 /*
4000 * rt2870_tx_mgmt
4001 */
4002 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4003 struct mbuf *m, struct ieee80211_node *ni, int qid)
4004 {
4005 struct ifnet *ifp;
4006 struct ieee80211com *ic;
4007 struct ieee80211vap *vap;
4008 const struct ieee80211_txparam *tp;
4009 struct rt2870_softc_node *rni;
4010 struct rt2870_softc_tx_ring *ring;
4011 struct rt2870_softc_tx_data *data;
4012 struct rt2870_txinfo *txinfo;
4013 struct rt2870_txwi *txwi;
4014 struct ieee80211_frame *wh;
4015 struct rt2870_softc_tx_radiotap_header *tap;
4016 u_int hdrsize, hdrspace;
4017 uint8_t rate, stbc, shortgi, mcs, pid;
4018 uint16_t len, dmalen, mpdu_len, dur;
4019
4020 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4021 ("%s: Tx MGMT: invalid qid=%d\n",
4022 device_get_nameunit(sc->dev), qid));
4023
4024 ifp = sc->ifp;
4025 ic = ifp->if_l2com;
4026 vap = ni->ni_vap;
4027 rni = (struct rt2870_softc_node *) ni;
4028 tp = ni->ni_txparms;
4029
4030 ring = &sc->tx_ring[qid];
4031 data = STAILQ_FIRST(&ring->inactive);
4032 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4033 txinfo = (struct rt2870_txinfo *) data->buf;
4034 txwi = (struct rt2870_txwi *) (txinfo + 1);
4035
4036 wh = mtod(m, struct ieee80211_frame *);
4037
4038 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4039
4040 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4041
4042 /* align end on a 4-bytes boundary */
4043
4044 dmalen = (len + 3) & ~3;
4045
4046 /* fill Tx info */
4047
4048 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4049
4050 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4051
4052 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4053
4054 dmalen += 4;
4055
4056 memset((caddr_t) txinfo + len, 0, dmalen - len);
4057
4058 /* fill Tx wireless info */
4059
4060 if (ni->ni_flags & IEEE80211_NODE_HT)
4061 mcs = rate;
4062 else
4063 mcs = rt2870_rate2mcs(rate);
4064
4065 pid = mcs;
4066
4067 /* calculate MPDU length without padding */
4068
4069 hdrsize = ieee80211_hdrsize(wh);
4070 hdrspace = ieee80211_hdrspace(ic, wh);
4071 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4072
4073 memset(txwi, 0, sizeof(struct rt2870_txwi));
4074
4075 /* management frames do not need encryption */
4076
4077 txwi->wcid = 0xff;
4078
4079 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4080 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4081 RT2870_TXWI_MPDU_LEN_SHIFT);
4082
4083 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4084
4085 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4086 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4087
4088 txwi->phymode_ifs_stbc_shortgi |=
4089 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4090 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4091
4092 txwi->phymode_ifs_stbc_shortgi |=
4093 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4094
4095 if (ni->ni_flags & IEEE80211_NODE_HT)
4096 {
4097 txwi->phymode_ifs_stbc_shortgi |=
4098 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4099 }
4100 else
4101 {
4102 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4103 {
4104 txwi->phymode_ifs_stbc_shortgi |=
4105 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4106
4107 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4108 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4109 }
4110 else
4111 {
4112 txwi->phymode_ifs_stbc_shortgi |=
4113 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4114 }
4115 }
4116
4117 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4118 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4119
4120 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4121
4122 /* skip ACKs for multicast frames and probe responses */
4123
4124 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4125 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4126 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
4127 {
4128 txwi->bawin_size_xflags |=
4129 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4130
4131 if (ni->ni_flags & IEEE80211_NODE_HT)
4132 {
4133 /* preamble + plcp + signal extension + SIFS */
4134
4135 dur = 16 + 4 + 6 + 10;
4136 }
4137 else
4138 {
4139 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4140 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4141 }
4142
4143 *(uint16_t *) wh->i_dur = htole16(dur);
4144 }
4145
4146 /* ask MAC to insert timestamp into probe responses */
4147
4148 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4149 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4150 txwi->mpdu_density_flags |=
4151 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4152
4153 if (ieee80211_radiotap_active_vap(vap))
4154 {
4155 tap = &sc->txtap;
4156
4157 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4158 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4159 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4160 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4161 tap->chan_maxpow = 0;
4162
4163 if (ni->ni_flags & IEEE80211_NODE_HT)
4164 tap->rate = mcs | IEEE80211_RATE_MCS;
4165 else
4166 tap->rate = rate;
4167
4168 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4169 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4170
4171 if (shortgi)
4172 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4173
4174 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4175 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4176
4177 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4178 {
4179 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4180
4181 ieee80211_radiotap_tx(vap, m);
4182
4183 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4184 }
4185 else
4186 {
4187 ieee80211_radiotap_tx(vap, m);
4188 }
4189 }
4190
4191 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4192
4193 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4194 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4195 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d\n",
4196 device_get_nameunit(sc->dev),
4197 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, dmalen);
4198
4199 data->len = dmalen;
4200 data->m = m;
4201 data->ni = ni;
4202
4203 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4204 ring->queued++;
4205
4206 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4207
4208 return 0;
4209 }
4210
4211 /*
4212 * rt2870_tx_data
4213 */
4214 static int rt2870_tx_data(struct rt2870_softc *sc,
4215 struct mbuf *m, struct ieee80211_node *ni, int qid)
4216 {
4217 struct ifnet *ifp;
4218 struct ieee80211com *ic;
4219 struct ieee80211vap *vap;
4220 const struct ieee80211_txparam *tp;
4221 struct rt2870_softc_node *rni;
4222 struct rt2870_softc_tx_ring *ring;
4223 struct rt2870_softc_tx_data *data;
4224 struct rt2870_txinfo *txinfo;
4225 struct rt2870_txwi *txwi;
4226 struct ieee80211_frame *wh;
4227 struct ieee80211_tx_ampdu *tx_ampdu;
4228 ieee80211_seq seqno;
4229 struct rt2870_softc_tx_radiotap_header *tap;
4230 u_int hdrsize, hdrspace;
4231 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4232 uint16_t qos, len, dmalen, mpdu_len, dur;
4233 int hasqos, ac, tid, ampdu;
4234
4235 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4236 ("%s: Tx data: invalid qid=%d\n",
4237 device_get_nameunit(sc->dev), qid));
4238
4239 ifp = sc->ifp;
4240 ic = ifp->if_l2com;
4241 vap = ni->ni_vap;
4242 rni = (struct rt2870_softc_node *) ni;
4243 tp = ni->ni_txparms;
4244
4245 ring = &sc->tx_ring[qid];
4246 data = STAILQ_FIRST(&ring->inactive);
4247 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4248 txinfo = (struct rt2870_txinfo *) data->buf;
4249 txwi = (struct rt2870_txwi *) (txinfo + 1);
4250
4251 wh = mtod(m, struct ieee80211_frame *);
4252
4253 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4254
4255 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4256 if (hasqos)
4257 {
4258 if (IEEE80211_HAS_ADDR4(wh))
4259 qos = le16toh(*(const uint16_t *)
4260 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4261 else
4262 qos = le16toh(*(const uint16_t *)
4263 (((struct ieee80211_qosframe *) wh)->i_qos));
4264 }
4265 else
4266 {
4267 qos = 0;
4268 }
4269
4270 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4271 rate = tp->mcastrate;
4272 else if (m->m_flags & M_EAPOL)
4273 rate = tp->mgmtrate;
4274 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4275 rate = tp->ucastrate;
4276 else
4277 rate = ni->ni_txrate;
4278
4279 rate &= IEEE80211_RATE_VAL;
4280
4281 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4282
4283 /* align end on a 4-bytes boundary */
4284
4285 dmalen = (len + 3) & ~3;
4286
4287 /* fill Tx info */
4288
4289 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4290
4291 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4292
4293 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4294
4295 dmalen += 4;
4296
4297 memset((caddr_t) txinfo + len, 0, dmalen - len);
4298
4299 /* fill Tx wireless info */
4300
4301 if (ni->ni_flags & IEEE80211_NODE_HT)
4302 mcs = rate;
4303 else
4304 mcs = rt2870_rate2mcs(rate);
4305
4306 pid = mcs;
4307
4308 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4309 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4310
4311 /* calculate MPDU length without padding */
4312
4313 hdrsize = ieee80211_hdrsize(wh);
4314 hdrspace = ieee80211_hdrspace(ic, wh);
4315 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4316
4317 memset(txwi, 0, sizeof(struct rt2870_txwi));
4318
4319 txwi->wcid = wcid;
4320
4321 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4322 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4323 RT2870_TXWI_MPDU_LEN_SHIFT);
4324
4325 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4326
4327 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4328 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4329
4330 txwi->phymode_ifs_stbc_shortgi |=
4331 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4332 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4333
4334 if (ni->ni_flags & IEEE80211_NODE_HT)
4335 {
4336 txwi->phymode_ifs_stbc_shortgi |=
4337 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4338 }
4339 else
4340 {
4341 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4342 {
4343 txwi->phymode_ifs_stbc_shortgi |=
4344 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4345
4346 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4347 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4348 }
4349 else
4350 {
4351 txwi->phymode_ifs_stbc_shortgi |=
4352 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4353 }
4354 }
4355
4356 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4357 bw = RT2870_TXWI_BW_40;
4358 else
4359 bw = RT2870_TXWI_BW_20;
4360
4361 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4362 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4363
4364 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4365
4366 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4367 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4368 {
4369 txwi->bawin_size_xflags |=
4370 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4371
4372 if (ni->ni_flags & IEEE80211_NODE_HT)
4373 {
4374 /* preamble + plcp + signal extension + SIFS */
4375
4376 dur = 16 + 4 + 6 + 10;
4377 }
4378 else
4379 {
4380 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4381 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4382 }
4383
4384 *(uint16_t *) wh->i_dur = htole16(dur);
4385 }
4386
4387 /* check fo A-MPDU */
4388
4389 if (m->m_flags & M_AMPDU_MPDU)
4390 {
4391 ac = M_WME_GETAC(m);
4392 tid = WME_AC_TO_TID(ac);
4393 tx_ampdu = &ni->ni_tx_ampdu[ac];
4394
4395 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4396 bawin_size = 13; //tx_ampdu->txa_wnd;
4397
4398 txwi->mpdu_density_flags |=
4399 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4400 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4401
4402 txwi->bawin_size_xflags |=
4403 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4404
4405 seqno = ni->ni_txseqs[tid]++;
4406
4407 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4408
4409 ampdu = 1;
4410 }
4411 else
4412 {
4413 ampdu = 0;
4414 }
4415
4416 /* ask MAC to insert timestamp into probe responses */
4417
4418 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4419 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4420 txwi->mpdu_density_flags |=
4421 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4422
4423 if (ieee80211_radiotap_active_vap(vap))
4424 {
4425 tap = &sc->txtap;
4426
4427 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4428 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4429 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4430 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4431 tap->chan_maxpow = 0;
4432
4433 if (ni->ni_flags & IEEE80211_NODE_HT)
4434 tap->rate = mcs | IEEE80211_RATE_MCS;
4435 else
4436 tap->rate = rate;
4437
4438 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4439 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4440
4441 if (shortgi)
4442 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4443
4444 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4445 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4446
4447 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4448 {
4449 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4450
4451 ieee80211_radiotap_tx(vap, m);
4452
4453 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4454 }
4455 else
4456 {
4457 ieee80211_radiotap_tx(vap, m);
4458 }
4459 }
4460
4461 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4462
4463 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4464 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4465 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d\n",
4466 device_get_nameunit(sc->dev),
4467 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4468 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen);
4469
4470 data->len = dmalen;
4471 data->m = m;
4472 data->ni = ni;
4473
4474 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4475 ring->queued++;
4476
4477 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4478
4479 return 0;
4480 }
4481
4482 /*
4483 * rt2870_tx_raw
4484 */
4485 static int rt2870_tx_raw(struct rt2870_softc *sc,
4486 struct mbuf *m, struct ieee80211_node *ni,
4487 const struct ieee80211_bpf_params *params)
4488 {
4489 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4490 "%s: Tx raw\n",
4491 device_get_nameunit(sc->dev));
4492
4493 return 0;
4494 }
4495
4496 /*
4497 * rt2870_rx_intr
4498 */
4499 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4500 {
4501 struct rt2870_softc *sc;
4502 struct ifnet *ifp;
4503 struct rt2870_softc_rx_ring *ring;
4504 struct rt2870_softc_rx_data *data;
4505 int len;
4506
4507 sc = usbd_xfer_softc(xfer);
4508 ifp = sc->ifp;
4509 ring = &sc->rx_ring;
4510
4511 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4512 "%s: Rx interrupt: state=%d, error=%s\n",
4513 device_get_nameunit(sc->dev),
4514 USB_GET_STATE(xfer), usbd_errstr(error));
4515
4516 switch (USB_GET_STATE(xfer))
4517 {
4518 case USB_ST_TRANSFERRED:
4519 sc->interrupts++;
4520 sc->rx_interrupts++;
4521
4522 data = STAILQ_FIRST(&ring->active);
4523 if (data == NULL)
4524 goto setup;
4525
4526 STAILQ_REMOVE_HEAD(&ring->active, next);
4527
4528 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4529
4530 data->len = len;
4531
4532 STAILQ_INSERT_TAIL(&ring->done, data, next);
4533
4534 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4535
4536 /* FALLTHROUGH */
4537
4538 setup:
4539
4540 case USB_ST_SETUP:
4541 data = STAILQ_FIRST(&ring->inactive);
4542 if (data == NULL)
4543 break;
4544
4545 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4546
4547 STAILQ_INSERT_TAIL(&ring->active, data, next);
4548
4549 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4550 usbd_transfer_submit(xfer);
4551 break;
4552
4553 default:
4554 sc->interrupts++;
4555 sc->rx_interrupts++;
4556
4557 data = STAILQ_FIRST(&ring->active);
4558 if (data != NULL)
4559 {
4560 STAILQ_REMOVE_HEAD(&ring->active, next);
4561 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4562 }
4563
4564 if (error != USB_ERR_CANCELLED)
4565 {
4566 ifp->if_ierrors++;
4567
4568 usbd_xfer_set_stall(xfer);
4569
4570 goto setup;
4571 }
4572 break;
4573 }
4574 }
4575
4576 /*
4577 * rt2870_tx_intr
4578 */
4579 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4580 {
4581 struct rt2870_softc *sc;
4582 struct ifnet *ifp;
4583 struct rt2870_softc_tx_ring *ring;
4584 struct rt2870_softc_tx_data *data;
4585
4586 sc = usbd_xfer_softc(xfer);
4587 ifp = sc->ifp;
4588 ring = usbd_xfer_get_priv(xfer);
4589
4590 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4591
4592 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4593 "%s: Tx interrupt: state=%d, error=%s\n",
4594 device_get_nameunit(sc->dev),
4595 USB_GET_STATE(xfer), usbd_errstr(error));
4596
4597 switch (USB_GET_STATE(xfer))
4598 {
4599 case USB_ST_TRANSFERRED:
4600 sc->interrupts++;
4601 sc->tx_interrupts[ring->qid]++;
4602
4603 data = STAILQ_FIRST(&ring->active);
4604 if (data == NULL)
4605 goto setup;
4606
4607 STAILQ_REMOVE_HEAD(&ring->active, next);
4608
4609 STAILQ_INSERT_TAIL(&ring->done, data, next);
4610
4611 sc->tx_qid_pending_mask |= (1 << ring->qid);
4612
4613 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4614
4615 /* FALLTHROUGH */
4616
4617 setup:
4618
4619 case USB_ST_SETUP:
4620 data = STAILQ_FIRST(&ring->pending);
4621 if (data == NULL)
4622 break;
4623
4624 STAILQ_REMOVE_HEAD(&ring->pending, next);
4625 STAILQ_INSERT_TAIL(&ring->active, data, next);
4626
4627 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4628 usbd_transfer_submit(xfer);
4629
4630 RT2870_SOFTC_UNLOCK(sc);
4631
4632 rt2870_start(ifp);
4633
4634 RT2870_SOFTC_LOCK(sc);
4635 break;
4636
4637 default:
4638 sc->interrupts++;
4639 sc->tx_interrupts[ring->qid]++;
4640
4641 data = STAILQ_FIRST(&ring->active);
4642 if (data != NULL)
4643 {
4644 STAILQ_REMOVE_HEAD(&ring->active, next);
4645
4646 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4647 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4648
4649 if (data->m != NULL)
4650 {
4651 m_freem(data->m);
4652 data->m = NULL;
4653 }
4654
4655 if (data->ni != NULL)
4656 {
4657 ieee80211_free_node(data->ni);
4658 data->ni = NULL;
4659 }
4660
4661 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4662
4663 ring->queued--;
4664 }
4665
4666 if (error != USB_ERR_CANCELLED)
4667 {
4668 ifp->if_oerrors++;
4669 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4670
4671 usbd_xfer_set_stall(xfer);
4672
4673 goto setup;
4674 }
4675 break;
4676 }
4677 }
4678
4679 /*
4680 * rt2870_rx_done_task
4681 */
4682 static void rt2870_rx_done_task(void *context, int pending)
4683 {
4684 struct rt2870_softc *sc;
4685 struct ifnet *ifp;
4686
4687 sc = context;
4688 ifp = sc->ifp;
4689
4690 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4691 "%s: Rx done task\n",
4692 device_get_nameunit(sc->dev));
4693
4694 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4695 return;
4696
4697 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4698 {
4699 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4700 "%s: Rx done task: scheduling again\n",
4701 device_get_nameunit(sc->dev));
4702
4703 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4704 }
4705 }
4706
4707 /*
4708 * rt2870_tx_done_task
4709 */
4710 static void rt2870_tx_done_task(void *context, int pending)
4711 {
4712 struct rt2870_softc *sc;
4713 struct ifnet *ifp;
4714 int i;
4715
4716 sc = context;
4717 ifp = sc->ifp;
4718
4719 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4720 "%s: Tx done task\n",
4721 device_get_nameunit(sc->dev));
4722
4723 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4724 return;
4725
4726 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4727 {
4728 if (sc->tx_qid_pending_mask & (1 << i))
4729 {
4730 sc->tx_qid_pending_mask &= ~(1 << i);
4731
4732 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4733 }
4734 }
4735
4736 if (sc->tx_qid_pending_mask != 0)
4737 {
4738 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4739 "%s: Tx done task: scheduling again\n",
4740 device_get_nameunit(sc->dev));
4741
4742 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4743 }
4744
4745 sc->tx_timer = 0;
4746
4747 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4748 }
4749
4750 /*
4751 * rt2870_periodic_task
4752 */
4753 static void rt2870_periodic_task(void *context, int pending)
4754 {
4755 struct rt2870_softc *sc;
4756 struct ifnet *ifp;
4757 struct ieee80211com *ic;
4758 struct ieee80211vap *vap;
4759
4760 sc = context;
4761 ifp = sc->ifp;
4762 ic = ifp->if_l2com;
4763 vap = TAILQ_FIRST(&ic->ic_vaps);
4764
4765 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4766 "%s: periodic task: round=%lu\n",
4767 device_get_nameunit(sc->dev), sc->periodic_round);
4768
4769 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4770 return;
4771
4772 RT2870_SOFTC_LOCK(sc);
4773
4774 sc->periodic_round++;
4775
4776 rt2870_update_stats(sc);
4777
4778 if ((sc->periodic_round % 10) == 0)
4779 {
4780 rt2870_bbp_tuning(sc);
4781
4782 rt2870_update_raw_counters(sc);
4783
4784 rt2870_watchdog(sc);
4785
4786 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4787 {
4788 if (vap->iv_opmode == IEEE80211_M_STA)
4789 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
4790 else
4791 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
4792 }
4793 }
4794
4795 RT2870_SOFTC_UNLOCK(sc);
4796
4797 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4798 }
4799
4800 /*
4801 * rt2870_cmd_task
4802 */
4803 static void rt2870_cmd_task(void *context, int pending)
4804 {
4805 struct rt2870_softc *sc;
4806 struct rt2870_softc_cmd_ring *ring;
4807 struct rt2870_softc_cmd *cmd;
4808
4809 sc = context;
4810 ring = &sc->cmd_ring;
4811
4812 while (1)
4813 {
4814 RT2870_SOFTC_LOCK(sc);
4815
4816 cmd = STAILQ_FIRST(&ring->active);
4817 if (cmd == NULL)
4818 {
4819 RT2870_SOFTC_UNLOCK(sc);
4820 break;
4821 }
4822
4823 STAILQ_REMOVE_HEAD(&ring->active, next);
4824
4825 RT2870_SOFTC_UNLOCK(sc);
4826
4827 cmd->cb(sc, cmd->data);
4828
4829 RT2870_SOFTC_LOCK(sc);
4830
4831 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4832 ring->queued--;
4833
4834 RT2870_SOFTC_UNLOCK(sc);
4835 }
4836 }
4837
4838 /*
4839 * rt2870_rx_eof
4840 */
4841 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4842 {
4843 struct ifnet *ifp;
4844 struct rt2870_softc_rx_ring *ring;
4845 struct rt2870_softc_rx_data *data;
4846 uint32_t dmalen;
4847 uint8_t *buf;
4848 int nframes, len;
4849
4850 ifp = sc->ifp;
4851 ring = &sc->rx_ring;
4852
4853 nframes = 0;
4854
4855 while (limit != 0)
4856 {
4857 RT2870_SOFTC_LOCK(sc);
4858
4859 data = STAILQ_FIRST(&ring->done);
4860 if (data == NULL)
4861 {
4862 RT2870_SOFTC_UNLOCK(sc);
4863 break;
4864 }
4865
4866 STAILQ_REMOVE_HEAD(&ring->done, next);
4867
4868 RT2870_SOFTC_UNLOCK(sc);
4869
4870 buf = data->buf;
4871 len = data->len;
4872
4873 if (len < RT2870_RX_DESC_SIZE)
4874 {
4875 ifp->if_ierrors++;
4876 goto skip;
4877 }
4878
4879 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4880 {
4881 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4882
4883 if (dmalen == 0 || (dmalen & 3) != 0)
4884 {
4885 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4886 "%s: bad DMA len=%u\n",
4887 device_get_nameunit(sc->dev), dmalen);
4888 goto skip;
4889 }
4890
4891 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4892 {
4893 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4894 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4895 device_get_nameunit(sc->dev),
4896 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4897 goto skip;
4898 }
4899
4900 nframes++;
4901
4902 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4903
4904 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4905 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4906 }
4907
4908 skip:
4909
4910 RT2870_SOFTC_LOCK(sc);
4911
4912 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4913
4914 usbd_transfer_start(sc->usb_xfer[0]);
4915
4916 RT2870_SOFTC_UNLOCK(sc);
4917
4918 limit--;
4919 }
4920
4921 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4922 "%s: Rx eof: nframes=%d\n",
4923 device_get_nameunit(sc->dev), nframes);
4924
4925 sc->rx_packets += nframes;
4926
4927 return (limit == 0);
4928 }
4929
4930 /*
4931 * rt2870_tx_eof
4932 */
4933 static void rt2870_tx_eof(struct rt2870_softc *sc,
4934 struct rt2870_softc_tx_ring *ring)
4935 {
4936 struct ifnet *ifp;
4937 struct rt2870_softc_tx_data *data;
4938 int nframes;
4939
4940 ifp = sc->ifp;
4941
4942 nframes = 0;
4943
4944 while (1)
4945 {
4946 RT2870_SOFTC_LOCK(sc);
4947
4948 data = STAILQ_FIRST(&ring->done);
4949 if (data == NULL)
4950 {
4951 RT2870_SOFTC_UNLOCK(sc);
4952 break;
4953 }
4954
4955 STAILQ_REMOVE_HEAD(&ring->done, next);
4956
4957 rt2870_drain_fifo_stats(sc);
4958
4959 RT2870_SOFTC_UNLOCK(sc);
4960
4961 nframes++;
4962
4963 if (data->m->m_flags & M_TXCB)
4964 ieee80211_process_callback(data->ni, data->m, 0);
4965
4966 m_freem(data->m);
4967
4968 ieee80211_free_node(data->ni);
4969
4970 data->m = NULL;
4971 data->ni = NULL;
4972
4973 RT2870_SOFTC_LOCK(sc);
4974
4975 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4976
4977 ring->queued--;
4978 ifp->if_opackets++;
4979
4980 RT2870_SOFTC_UNLOCK(sc);
4981 }
4982
4983 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4984 "%s: Tx eof: qid=%d, nframes=%d\n",
4985 device_get_nameunit(sc->dev), ring->qid, nframes);
4986 }
4987
4988 /*
4989 * rt2870_update_stats
4990 */
4991 static void rt2870_update_stats(struct rt2870_softc *sc)
4992 {
4993 struct ifnet *ifp;
4994 struct ieee80211com *ic;
4995 struct ieee80211vap *vap;
4996 struct ieee80211_node *ni;
4997 uint32_t stacnt[3];
4998 int beacons, noretryok, retryok, failed;
4999 uint16_t associd;
5000 uint8_t wcid;
5001
5002 ifp = sc->ifp;
5003 ic = ifp->if_l2com;
5004 vap = TAILQ_FIRST(&ic->ic_vaps);
5005
5006 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5007 "%s: update statistic\n",
5008 device_get_nameunit(sc->dev));
5009
5010 rt2870_drain_fifo_stats(sc);
5011
5012 /* read and clear Tx statistic registers */
5013
5014 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5015 stacnt, sizeof(stacnt));
5016
5017 stacnt[0] = le32toh(stacnt[0]);
5018 stacnt[1] = le32toh(stacnt[1]);
5019 stacnt[2] = le32toh(stacnt[2]);
5020
5021 beacons = stacnt[0] >> 16;
5022 noretryok = stacnt[1] & 0xffff;
5023 retryok = stacnt[1] >> 16;
5024 failed = stacnt[0] & 0xffff;
5025
5026 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5027 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
5028 device_get_nameunit(sc->dev),
5029 beacons, noretryok, retryok, failed);
5030
5031 ifp->if_oerrors += failed;
5032
5033 sc->tx_beacons += beacons;
5034 sc->tx_noretryok += noretryok;
5035 sc->tx_retryok += retryok;
5036 sc->tx_failed += failed;
5037
5038 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5039 {
5040 ni = vap->iv_bss;
5041
5042 associd = (ni != NULL) ? ni->ni_associd : 0;
5043 wcid = RT2870_AID2WCID(associd);
5044
5045 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
5046 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5047 }
5048 }
5049
5050 /*
5051 * rt2870_bbp_tuning
5052 */
5053 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5054 {
5055 struct ifnet *ifp;
5056 struct ieee80211com *ic;
5057 struct ieee80211vap *vap;
5058 struct ieee80211_node *ni;
5059 int chan, group;
5060 int8_t rssi, old, new;
5061
5062 /* RT2860C does not support BBP tuning */
5063
5064 if (sc->mac_rev == 0x28600100)
5065 return;
5066
5067 ifp = sc->ifp;
5068 ic = ifp->if_l2com;
5069 vap = TAILQ_FIRST(&ic->ic_vaps);
5070
5071 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5072 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5073 return;
5074
5075 ni = vap->iv_bss;
5076
5077 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5078
5079 if (chan <= 14)
5080 group = 0;
5081 else if (chan <= 64)
5082 group = 1;
5083 else if (chan <= 128)
5084 group = 2;
5085 else
5086 group = 3;
5087
5088 rssi = ieee80211_getrssi(vap);
5089
5090 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5091 {
5092 new = 0x2e + sc->lna_gain[group];
5093 }
5094 else
5095 {
5096 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5097 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5098 else
5099 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5100 }
5101
5102 /* Tune if absolute average RSSI is greater than -80 */
5103
5104 if (rssi > 30)
5105 new += 0x10;
5106
5107 old = rt2870_io_bbp_read(sc, 66);
5108
5109 if (old != new)
5110 rt2870_io_bbp_write(sc, 66, new);
5111 }
5112
5113 /*
5114 * rt2870_watchdog
5115 */
5116 static void rt2870_watchdog(struct rt2870_softc *sc)
5117 {
5118 uint32_t tmp;
5119 int ntries;
5120
5121 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5122
5123 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5124 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5125 device_get_nameunit(sc->dev), tmp);
5126
5127 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5128 {
5129 sc->tx_queue_not_empty[0]++;
5130
5131 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5132
5133 for (ntries = 0; ntries < 10; ntries++)
5134 {
5135 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5136 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5137 break;
5138
5139 DELAY(1);
5140 }
5141
5142 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5143 }
5144
5145 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5146 {
5147 sc->tx_queue_not_empty[1]++;
5148
5149 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5150
5151 for (ntries = 0; ntries < 10; ntries++)
5152 {
5153 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5154 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5155 break;
5156
5157 DELAY(1);
5158 }
5159
5160 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5161 }
5162 }
5163
5164 /*
5165 * rt2870_drain_fifo_stats
5166 */
5167 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5168 {
5169 struct ifnet *ifp;
5170 uint32_t stats;
5171 uint8_t wcid, mcs, pid;
5172 int ok, agg, retrycnt;
5173
5174 ifp = sc->ifp;
5175
5176 /* drain Tx status FIFO (maxsize = 16) */
5177
5178 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5179 RT2870_REG_TX_STA_FIFO_VALID)
5180 {
5181 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5182 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5183
5184 /* if no ACK was requested, no feedback is available */
5185
5186 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5187 continue;
5188
5189 /* update AMRR statistic */
5190
5191 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5192 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5193 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5194 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5195 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5196 RT2870_REG_TX_STA_FIFO_PID_MASK;
5197 retrycnt = pid - mcs;
5198
5199 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5200 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5201 device_get_nameunit(sc->dev),
5202 wcid, ok, agg, mcs, pid, retrycnt);
5203
5204 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5205
5206 if (!ok)
5207 ifp->if_oerrors++;
5208 }
5209 }
5210
5211 /*
5212 * rt2870_update_raw_counters
5213 */
5214 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5215 {
5216 uint32_t tmp;
5217
5218 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5219
5220 sc->tx_nonagg += tmp & 0xffff;
5221 sc->tx_agg += tmp >> 16;
5222
5223 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5224
5225 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5226
5227 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5228
5229 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5230
5231 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5232
5233 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5234
5235 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5236
5237 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5238
5239 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5240
5241 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5242
5243 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5244
5245 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5246
5247 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5248
5249 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5250
5251 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5252
5253 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5254
5255 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5256
5257 sc->rx_crc_errors += tmp & 0xffff;
5258 sc->rx_phy_errors += tmp >> 16;
5259
5260 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5261
5262 sc->rx_false_ccas += tmp & 0xffff;
5263 sc->rx_plcp_errors += tmp >> 16;
5264
5265 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5266
5267 sc->rx_dup_packets += tmp & 0xffff;
5268 sc->rx_fifo_overflows += tmp >> 16;
5269 }
5270
5271 /*
5272 * rt2870_txrx_enable
5273 */
5274 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5275 {
5276 struct ieee80211com *ic;
5277 struct ifnet *ifp;
5278 uint32_t tmp;
5279 int ntries;
5280
5281 ifp = sc->ifp;
5282 ic = ifp->if_l2com;
5283
5284 /* enable Tx/Rx DMA engine */
5285
5286 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5287
5288 tmp &= 0xffffff00;
5289 tmp |= 0x1e;
5290
5291 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5292
5293 if ((sc->mac_rev & 0xffff) != 0x0101)
5294 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5295
5296 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5297
5298 for (ntries = 0; ntries < 200; ntries++)
5299 {
5300 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5301 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5302 break;
5303
5304 DELAY(1000);
5305 }
5306
5307 if (ntries == 200)
5308 {
5309 printf("%s: timeout waiting for DMA engine\n",
5310 device_get_nameunit(sc->dev));
5311 return -1;
5312 }
5313
5314 DELAY(50);
5315
5316 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5317 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5318 (48 << 16) | 96);
5319
5320 tmp |= RT2870_REG_TX_WB_DDONE |
5321 RT2870_REG_RX_DMA_ENABLE |
5322 RT2870_REG_TX_DMA_ENABLE;
5323
5324 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5325
5326 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5327 RT2870_REG_USB_DMA_RX_ENABLE |
5328 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5329 /* Rx agg limit in unit of 1024 byte */
5330 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5331 /* Rx agg timeout in unit of 33ns */
5332 0x80;
5333
5334 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5335
5336 /* set Rx filter */
5337
5338 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5339 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5340
5341 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5342 {
5343 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5344 RT2870_REG_RX_FILTER_DROP_CTS |
5345 RT2870_REG_RX_FILTER_DROP_BA |
5346 RT2870_REG_RX_FILTER_DROP_ACK |
5347 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5348 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5349 RT2870_REG_RX_FILTER_DROP_CFACK |
5350 RT2870_REG_RX_FILTER_DROP_CFEND;
5351
5352 if (ic->ic_opmode == IEEE80211_M_STA)
5353 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5354 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5355
5356 if (!(ifp->if_flags & IFF_PROMISC))
5357 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5358 }
5359
5360 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5361
5362 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5363 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5364
5365 return 0;
5366 }
5367
5368 /*
5369 * rt2870_alloc_rx_ring
5370 */
5371 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5372 struct rt2870_softc_rx_ring *ring)
5373 {
5374 struct rt2870_softc_rx_data *data;
5375 int i, error;
5376
5377 STAILQ_INIT(&ring->inactive);
5378 STAILQ_INIT(&ring->active);
5379 STAILQ_INIT(&ring->done);
5380
5381 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5382 {
5383 data = &ring->data[i];
5384
5385 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5386 if (data->buf == NULL)
5387 {
5388 printf("%s: could not allocate Rx buffer\n",
5389 device_get_nameunit(sc->dev));
5390 error = ENOMEM;
5391 goto fail;
5392 }
5393
5394 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5395 }
5396
5397 return 0;
5398
5399 fail:
5400
5401 rt2870_free_rx_ring(sc, ring);
5402
5403 return error;
5404 }
5405
5406 /*
5407 * rt2870_reset_rx_ring
5408 */
5409 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5410 struct rt2870_softc_rx_ring *ring)
5411 {
5412 struct rt2870_softc_rx_data *data;
5413 int i;
5414
5415 STAILQ_INIT(&ring->inactive);
5416 STAILQ_INIT(&ring->active);
5417 STAILQ_INIT(&ring->done);
5418
5419 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5420 {
5421 data = &ring->data[i];
5422
5423 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5424 }
5425 }
5426
5427 /*
5428 * rt2870_free_rx_ring
5429 */
5430 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5431 struct rt2870_softc_rx_ring *ring)
5432 {
5433 struct rt2870_softc_rx_data *data;
5434 int i;
5435
5436 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5437 {
5438 data = &ring->data[i];
5439
5440 if (data->buf != NULL)
5441 {
5442 free(data->buf, M_USBDEV);
5443 data->buf = NULL;
5444 }
5445 }
5446 }
5447
5448 /*
5449 * rt2870_alloc_tx_ring
5450 */
5451 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5452 struct rt2870_softc_tx_ring *ring, int qid)
5453 {
5454 struct rt2870_softc_tx_data *data;
5455 int i, error;
5456
5457 STAILQ_INIT(&ring->inactive);
5458 STAILQ_INIT(&ring->pending);
5459 STAILQ_INIT(&ring->active);
5460 STAILQ_INIT(&ring->done);
5461
5462 ring->queued = 0;
5463 ring->qid = qid;
5464
5465 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5466 {
5467 data = &ring->data[i];
5468
5469 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5470 if (data->buf == NULL)
5471 {
5472 printf("%s: could not allocate Tx buffer\n",
5473 device_get_nameunit(sc->dev));
5474 error = ENOMEM;
5475 goto fail;
5476 }
5477
5478 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5479
5480 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5481 }
5482
5483 return 0;
5484
5485 fail:
5486
5487 rt2870_free_tx_ring(sc, ring);
5488
5489 return error;
5490 }
5491
5492 /*
5493 * rt2870_reset_tx_ring
5494 */
5495 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5496 struct rt2870_softc_tx_ring *ring)
5497 {
5498 struct rt2870_softc_tx_data *data;
5499 int i;
5500
5501 STAILQ_INIT(&ring->inactive);
5502 STAILQ_INIT(&ring->pending);
5503 STAILQ_INIT(&ring->active);
5504 STAILQ_INIT(&ring->done);
5505
5506 ring->queued = 0;
5507
5508 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5509 {
5510 data = &ring->data[i];
5511
5512 if (data->m != NULL)
5513 {
5514 m_free(data->m);
5515 data->m = NULL;
5516 }
5517
5518 if (data->ni != NULL)
5519 {
5520 ieee80211_free_node(data->ni);
5521 data->ni = NULL;
5522 }
5523
5524 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5525 }
5526 }
5527
5528 /*
5529 * rt2870_free_tx_ring
5530 */
5531 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5532 struct rt2870_softc_tx_ring *ring)
5533 {
5534 struct rt2870_softc_tx_data *data;
5535 int i;
5536
5537 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5538 {
5539 data = &ring->data[i];
5540
5541 if (data->buf != NULL)
5542 {
5543 free(data->buf, M_USBDEV);
5544 data->buf = NULL;
5545 }
5546
5547 if (data->m != NULL)
5548 {
5549 m_free(data->m);
5550 data->m = NULL;
5551 }
5552
5553 if (data->ni != NULL)
5554 {
5555 ieee80211_free_node(data->ni);
5556 data->ni = NULL;
5557 }
5558 }
5559 }
5560
5561 /*
5562 * rt2870_reset_cmd_ring
5563 */
5564 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5565 struct rt2870_softc_cmd_ring *ring)
5566 {
5567 struct rt2870_softc_cmd *cmd;
5568 int i;
5569
5570 STAILQ_INIT(&ring->inactive);
5571 STAILQ_INIT(&ring->active);
5572
5573 ring->queued = 0;
5574
5575 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5576 {
5577 cmd = &ring->cmd[i];
5578
5579 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5580 }
5581 }
5582
5583 /*
5584 * rt2870_sysctl_attach
5585 */
5586 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5587 {
5588 struct sysctl_ctx_list *ctx;
5589 struct sysctl_oid *tree;
5590 struct sysctl_oid *stats;
5591
5592 ctx = device_get_sysctl_ctx(sc->dev);
5593 tree = device_get_sysctl_tree(sc->dev);
5594
5595 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5596 "stats", CTLFLAG_RD, 0, "statistic");
5597
5598 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5599 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5600 "all interrupts");
5601
5602 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5603 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5604 "Rx interrupts");
5605
5606 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5607 {
5608 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5609 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5610 "Tx MGMT interrupts");
5611
5612 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5613 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5614 "Tx HCCA interrupts");
5615 }
5616
5617 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5618 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5619 "Tx AC3 interrupts");
5620
5621 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5622 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5623 "Tx AC2 interrupts");
5624
5625 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5626 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5627 "Tx AC1 interrupts");
5628
5629 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5630 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5631 "Tx AC0 interrupts");
5632
5633 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5634 {
5635 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5636 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5637 "Tx MGMT data queued");
5638
5639 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5640 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5641 "Tx HCCA data queued");
5642 }
5643
5644 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5645 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5646 "Tx AC3 data queued");
5647
5648 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5649 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5650 "Tx AC2 data queued");
5651
5652 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5653 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5654 "Tx AC1 data queued");
5655
5656 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5657 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5658 "Tx AC0 data queued");
5659
5660 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5661 {
5662 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5663 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5664 "Tx MGMT data queue full");
5665
5666 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5667 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5668 "Tx HCCA data queue full");
5669 }
5670
5671 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5672 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5673 "Tx AC3 data queue full");
5674
5675 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5676 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5677 "Tx AC2 data queue full");
5678
5679 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5680 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5681 "Tx AC1 data queue full");
5682
5683 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5684 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5685 "Tx AC0 data queue full");
5686
5687 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5688 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5689 "Tx watchdog timeouts");
5690
5691 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5692 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5693 "Rx mbuf allocation errors");
5694
5695 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5696 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5697 "Tx queue 0 not empty");
5698
5699 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5700 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5701 "Tx queue 1 not empty");
5702
5703 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5704 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5705 "Tx beacons");
5706
5707 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5708 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5709 "Tx successfull without retries");
5710
5711 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5712 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5713 "Tx successfull with retries");
5714
5715 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5716 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5717 "Tx failed");
5718
5719 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5720 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5721 "Tx non-aggregated");
5722
5723 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5724 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5725 "Tx aggregated");
5726
5727 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5728 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5729 "Tx A-MPDU");
5730
5731 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5732 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5733 "Rx packets");
5734
5735 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5736 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5737 "Rx A-MPDU");
5738
5739 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5740 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5741 "Rx A-MSDU");
5742
5743 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5744 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5745 "Rx CRC errors");
5746
5747 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5748 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5749 "Rx PHY errors");
5750
5751 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5752 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5753 "Rx false CCAs");
5754
5755 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5756 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5757 "Rx PLCP errors");
5758
5759 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5760 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5761 "Rx duplicate packets");
5762
5763 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5764 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5765 "Rx FIFO overflows");
5766 }
5767
5768 static device_method_t rt2870_dev_methods[] =
5769 {
5770 DEVMETHOD(device_probe, rt2870_probe),
5771 DEVMETHOD(device_attach, rt2870_attach),
5772 DEVMETHOD(device_detach, rt2870_detach),
5773 { 0, 0 }
5774 };
5775
5776 static driver_t rt2870_driver =
5777 {
5778 "rt2870",
5779 rt2870_dev_methods,
5780 sizeof(struct rt2870_softc),
5781 };
5782
5783 static devclass_t rt2870_dev_class;
5784
5785 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5786 NULL, 0);
5787
5788 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5789 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870