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Correct BA window size
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blob3496898daabe3191b32110aa4c4757bd2bdb167b
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2870_softc.h"
20 #include "rt2870_reg.h"
21 #include "rt2870_eeprom.h"
22 #include "rt2870_ucode.h"
23 #include "rt2870_rxwi.h"
24 #include "rt2870_rxinfo.h"
25 #include "rt2870_txinfo.h"
26 #include "rt2870_txwi.h"
27 #include "rt2870_read_eeprom.h"
28 #include "rt2870_io.h"
29 #include "rt2870_rf.h"
30 #include "rt2870_led.h"
31 #include "rt2870_debug.h"
32
33 /*
34 * Defines and macros
35 */
36
37 #define USB_PRODUCT_LINKSYS4_WUSB600N 0x0071
38 #define USB_PRODUCT_DLINK2_DWA140 0x3c09
39 #define USB_PRODUCT_DLINK2_DWA160AREVB 0x3c11
40 #define USB_PRODUCT_ASUS_RT2770F 0x1742
41 #define USB_PRODUCT_RALINK_RT2770 0x2770
42
43 #define RT2870_USB_CONFIG_INDEX 0
44 #define RT2870_USB_IFACE_INDEX 0
45
46 #define RT2870_USB_REQ_MAC_READ_MULTI 0x07
47
48 /* packet length + Rx wireless info + Rx info */
49 #define RT2870_RX_DESC_SIZE \
50 (sizeof(uint32_t) + sizeof(struct rt2870_rxwi) + sizeof(struct rt2870_rxinfo))
51
52 /* Tx info + Tx wireless info + max padding */
53 #define RT2870_TX_DESC_SIZE \
54 (sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + 11)
55
56 #define RT2870_MAX_AGG_SIZE 3840
57
58 #define RT2870_USB_RX_BULK_BUFLEN (2048 * 12)
59
60 #define RT2870_NOISE_FLOOR -95
61
62 #define RT2870_AID2WCID(aid) ((aid) & 0xff)
63
64 #define RT2870_ACK_SIZE 14
65
66 #define IEEE80211_HAS_ADDR4(wh) \
67 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
68
69 #define RT2870_MS(_v, _f) (((_v) & _f) >> _f##_S)
70 #define RT2870_SM(_v, _f) (((_v) << _f##_S) & _f)
71
72 #define RT2870_USB_XFER_TIMEOUT 5000
73
74 #define RT2870_TX_WATCHDOG_TIMEOUT 5
75
76 /*
77 * Data structures and types
78 */
79
80 struct rt2870_cmd_argv_keyset
81 {
82 struct ieee80211_key key;
83 uint16_t associd;
84 };
85
86 struct rt2870_cmd_argv_keydelete
87 {
88 struct ieee80211_key key;
89 uint16_t associd;
90 };
91
92 /*
93 * Static function prototypes
94 */
95
96 static void rt2870_init_channels(struct rt2870_softc *sc);
97
98 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
99
100 static void rt2870_init_locked(void *priv);
101
102 static void rt2870_init(void *priv);
103
104 static int rt2870_init_bbp(struct rt2870_softc *sc);
105
106 static void rt2870_stop_locked(void *priv);
107
108 static void rt2870_stop(void *priv);
109
110 static void rt2870_start(struct ifnet *ifp);
111
112 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
113
114 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
115 const char name[IFNAMSIZ], int unit, int opmode, int flags,
116 const uint8_t bssid[IEEE80211_ADDR_LEN],
117 const uint8_t mac[IEEE80211_ADDR_LEN]);
118
119 static void rt2870_vap_delete(struct ieee80211vap *vap);
120
121 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd);
122
123 static int rt2870_vap_newstate(struct ieee80211vap *vap,
124 enum ieee80211_state nstate, int arg);
125
126 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap);
127
128 static void rt2870_vap_key_update_end(struct ieee80211vap *vap);
129
130 static int rt2870_vap_key_set(struct ieee80211vap *vap,
131 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
132
133 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
134 const struct ieee80211_key *k);
135
136 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what);
137
138 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
139 const uint8_t mac[IEEE80211_ADDR_LEN]);
140
141 static int rt2870_setregdomain(struct ieee80211com *ic,
142 struct ieee80211_regdomain *reg,
143 int nchans, struct ieee80211_channel chans[]);
144
145 static void rt2870_getradiocaps(struct ieee80211com *ic,
146 int maxchans, int *nchans, struct ieee80211_channel chans[]);
147
148 static void rt2870_scan_start(struct ieee80211com *ic);
149
150 static void rt2870_scan_end(struct ieee80211com *ic);
151
152 static void rt2870_set_channel(struct ieee80211com *ic);
153
154 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
155
156 static void rt2870_updateslot(struct ifnet *ifp);
157
158 static void rt2870_update_promisc(struct ifnet *ifp);
159
160 static void rt2870_update_mcast(struct ifnet *ifp);
161
162 static int rt2870_wme_update(struct ieee80211com *ic);
163
164 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
165 const struct ieee80211_bpf_params *params);
166
167 static int rt2870_recv_action(struct ieee80211_node *ni,
168 const struct ieee80211_frame *wh,
169 const uint8_t *frm, const uint8_t *efrm);
170
171 static int rt2870_send_action(struct ieee80211_node *ni,
172 int cat, int act, void *sa);
173
174 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
175
176 static void rt2870_periodic(void *arg);
177
178 static void rt2870_tx_watchdog(void *arg);
179
180 static int rt2870_do_async(struct rt2870_softc *sc,
181 void (*cb)(struct rt2870_softc *sc, void *arg),
182 void *arg, int len);
183
184 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
185
186 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
187
188 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg);
189
190 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
191
192 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
193
194 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
195 const uint8_t *bssid);
196
197 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
198 const uint8_t *addr);
199
200 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
201
202 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
203
204 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
205
206 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
207
208 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
209
210 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
211
212 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
213
214 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
215
216 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
217
218 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
219
220 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
221
222 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
223 struct ieee80211vap *vap);
224
225 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
226
227 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
228
229 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
230 const struct rt2870_rxwi *rxwi);
231
232 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
233 uint8_t rssi, uint8_t rxpath);
234
235 static uint8_t rt2870_rate2mcs(uint8_t rate);
236
237 static void rt2870_rx_frame(struct rt2870_softc *sc,
238 uint8_t *buf, uint32_t dmalen);
239
240 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
241 struct mbuf *m, struct ieee80211_node *ni, int qid);
242
243 static int rt2870_tx_data(struct rt2870_softc *sc,
244 struct mbuf *m, struct ieee80211_node *ni, int qid);
245
246 static int rt2870_tx_raw(struct rt2870_softc *sc,
247 struct mbuf *m, struct ieee80211_node *ni,
248 const struct ieee80211_bpf_params *params);
249
250 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
251
252 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
253
254 static void rt2870_rx_done_task(void *context, int pending);
255
256 static void rt2870_tx_done_task(void *context, int pending);
257
258 static void rt2870_periodic_task(void *context, int pending);
259
260 static void rt2870_cmd_task(void *context, int pending);
261
262 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
263
264 static void rt2870_tx_eof(struct rt2870_softc *sc,
265 struct rt2870_softc_tx_ring *ring);
266
267 static void rt2870_update_stats(struct rt2870_softc *sc);
268
269 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
270
271 static void rt2870_watchdog(struct rt2870_softc *sc);
272
273 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
274
275 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
276
277 static int rt2870_txrx_enable(struct rt2870_softc *sc);
278
279 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
280 struct rt2870_softc_rx_ring *ring);
281
282 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
283 struct rt2870_softc_rx_ring *ring);
284
285 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
286 struct rt2870_softc_rx_ring *ring);
287
288 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
289 struct rt2870_softc_tx_ring *ring, int qid);
290
291 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
292 struct rt2870_softc_tx_ring *ring);
293
294 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
295 struct rt2870_softc_tx_ring *ring);
296
297 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
298 struct rt2870_softc_cmd_ring *ring);
299
300 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
301
302 /*
303 * Static variables
304 */
305
306 static const struct usb_device_id rt2870_usb_devid[] =
307 {
308 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
309 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
310 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
311 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
312 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
313 };
314
315 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
316 {
317 {
318 .type = UE_BULK,
319 .endpoint = 0x01,
320 .direction = UE_DIR_IN,
321 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
322 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
323 .callback = rt2870_rx_intr,
324 },
325 {
326 .type = UE_BULK,
327 .endpoint = 0x01,
328 .direction = UE_DIR_OUT,
329 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
330 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
331 .callback = rt2870_tx_intr,
332 .timeout = RT2870_USB_XFER_TIMEOUT,
333 },
334 {
335 .type = UE_BULK,
336 .endpoint = 0x02,
337 .direction = UE_DIR_OUT,
338 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
339 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
340 .callback = rt2870_tx_intr,
341 .timeout = RT2870_USB_XFER_TIMEOUT,
342 },
343 {
344 .type = UE_BULK,
345 .endpoint = 0x03,
346 .direction = UE_DIR_OUT,
347 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
348 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
349 .callback = rt2870_tx_intr,
350 .timeout = RT2870_USB_XFER_TIMEOUT,
351 },
352 {
353 .type = UE_BULK,
354 .endpoint = 0x04,
355 .direction = UE_DIR_OUT,
356 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
357 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
358 .callback = rt2870_tx_intr,
359 .timeout = RT2870_USB_XFER_TIMEOUT,
360 },
361 {
362 .type = UE_BULK,
363 .endpoint = 0x05,
364 .direction = UE_DIR_OUT,
365 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
366 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
367 .callback = rt2870_tx_intr,
368 .timeout = RT2870_USB_XFER_TIMEOUT,
369 },
370 {
371 .type = UE_BULK,
372 .endpoint = 0x06,
373 .direction = UE_DIR_OUT,
374 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
375 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
376 .callback = rt2870_tx_intr,
377 .timeout = RT2870_USB_XFER_TIMEOUT,
378 },
379 };
380
381 static const struct
382 {
383 uint32_t reg;
384 uint32_t val;
385 } rt2870_def_mac[] =
386 {
387 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
388 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
389 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
390 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
391 { RT2870_REG_SYS_CTRL, 0x00000000 },
392 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
393 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
394 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
395 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
396 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
397 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
398 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
399 { RT2870_REG_LED_CFG, 0x7f031e46 },
400 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
401 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
402 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
403 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
404 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
405 { RT2870_REG_PBF_CFG, 0x00f40006 },
406 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
407 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
408 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
409 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
410 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
411 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
412 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
413 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
414 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
415 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
416 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
417 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
418 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
419 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
420 };
421
422 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
423
424 static const struct
425 {
426 uint8_t reg;
427 uint8_t val;
428 } rt2870_def_bbp[] =
429 {
430 { 65, 0x2c },
431 { 66, 0x38 },
432 { 69, 0x12 },
433 { 70, 0x0a },
434 { 73, 0x10 },
435 { 81, 0x37 },
436 { 82, 0x62 },
437 { 83, 0x6a },
438 { 84, 0x99 },
439 { 86, 0x00 },
440 { 91, 0x04 },
441 { 92, 0x00 },
442 { 103, 0x00 },
443 { 105, 0x05 },
444 { 106, 0x35 },
445 };
446
447 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
448
449 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
450
451 #ifdef RT2870_DEBUG
452 static int rt2870_debug = 0;
453 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
454 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
455 #endif
456
457 /*
458 * rt2870_probe
459 */
460 static int rt2870_probe(device_t dev)
461 {
462 struct usb_attach_arg *uaa;
463
464 uaa = device_get_ivars(dev);
465
466 if (uaa->usb_mode != USB_MODE_HOST)
467 return ENXIO;
468
469 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
470 return ENXIO;
471
472 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
473 return ENXIO;
474
475 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
476 sizeof(rt2870_usb_devid), uaa));
477 }
478
479 /*
480 * rt2870_attach
481 */
482 static int rt2870_attach(device_t dev)
483 {
484 struct rt2870_softc *sc;
485 struct usb_attach_arg *uaa;
486 usb_error_t usb_error;
487 struct ieee80211com *ic;
488 struct ifnet *ifp;
489 struct usb_interface *iface;
490 struct usb_interface_descriptor *iface_desc;
491 uint8_t iface_index;
492 int error, ntries, i;
493
494 sc = device_get_softc(dev);
495 uaa = device_get_ivars(dev);
496
497 sc->dev = dev;
498 sc->usb_dev = uaa->device;
499
500 device_set_usb_desc(dev);
501
502 #ifdef RT2870_DEBUG
503 sc->debug = rt2870_debug;
504
505 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
506 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
507 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
508 #endif
509
510 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
511 "%s: attaching\n",
512 device_get_nameunit(sc->dev));
513
514 iface_index = RT2870_USB_IFACE_INDEX;
515
516 iface = usbd_get_iface(uaa->device, iface_index);
517 if (iface == NULL)
518 {
519 printf("%s: could not get USB interface\n",
520 device_get_nameunit(sc->dev));
521 return ENXIO;
522 }
523
524 iface_desc = usbd_get_interface_descriptor(iface);
525 if (iface_desc == NULL)
526 {
527 printf("%s: could not get USB interface descriptor\n",
528 device_get_nameunit(sc->dev));
529 return ENXIO;
530 }
531
532 sc->usb_endpoints = iface_desc->bNumEndpoints;
533 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
534 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
535 {
536 printf("%s: wrong number of USB endpoints=%d\n",
537 device_get_nameunit(sc->dev), sc->usb_endpoints);
538 return ENXIO;
539 }
540
541 mtx_init(&sc->lock, device_get_nameunit(dev),
542 MTX_NETWORK_LOCK, MTX_DEF);
543
544 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
545 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
546 sc, &sc->lock);
547 if (usb_error != 0)
548 {
549 printf("%s: could not allocate USB transfers: error=%s\n",
550 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
551 error = ENXIO;
552 goto fail;
553 }
554
555 RT2870_SOFTC_LOCK(sc);
556
557 for (ntries = 0; ntries < 100; ntries++)
558 {
559 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
560 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
561 break;
562
563 DELAY(10);
564 }
565
566 if (ntries == 100)
567 {
568 printf("%s: timeout waiting for NIC to initialize\n",
569 device_get_nameunit(sc->dev));
570 error = ENXIO;
571 goto fail;
572 }
573
574 rt2870_read_eeprom(sc);
575
576 RT2870_SOFTC_UNLOCK(sc);
577
578 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
579 device_get_nameunit(sc->dev), sc->mac_rev,
580 rt2870_rf_name(sc->rf_rev));
581
582 /* allocate Tx and Rx rings */
583
584 for (i = 0; i < sc->usb_endpoints - 1; i++)
585 {
586 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
587 if (error != 0)
588 {
589 printf("%s: could not allocate Tx ring #%d\n",
590 device_get_nameunit(sc->dev), i);
591 goto fail;
592 }
593 }
594
595 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
596 sc->tx_ring_mgtqid = 5;
597 else
598 sc->tx_ring_mgtqid = 0;
599
600 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
601 if (error != 0)
602 {
603 printf("%s: could not allocate Rx ring\n",
604 device_get_nameunit(sc->dev));
605 goto fail;
606 }
607
608 callout_init(&sc->periodic_ch, 0);
609 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
610
611 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
612 if (ifp == NULL)
613 {
614 printf("%s: could not if_alloc()\n",
615 device_get_nameunit(sc->dev));
616 error = ENOMEM;
617 goto fail;
618 }
619
620 ifp->if_softc = sc;
621
622 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
623
624 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
625
626 ifp->if_init = rt2870_init;
627 ifp->if_ioctl = rt2870_ioctl;
628 ifp->if_start = rt2870_start;
629
630 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
631 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
632 IFQ_SET_READY(&ifp->if_snd);
633
634 ic = ifp->if_l2com;
635
636 ic->ic_ifp = ifp;
637
638 ic->ic_phytype = IEEE80211_T_HT;
639 ic->ic_opmode = IEEE80211_M_STA;
640
641 ic->ic_caps = IEEE80211_C_MONITOR |
642 IEEE80211_C_IBSS |
643 IEEE80211_C_STA |
644 IEEE80211_C_AHDEMO |
645 IEEE80211_C_HOSTAP |
646 IEEE80211_C_WDS |
647 IEEE80211_C_MBSS |
648 /* IEEE80211_C_BGSCAN | */
649 IEEE80211_C_TXPMGT |
650 IEEE80211_C_SHPREAMBLE |
651 IEEE80211_C_SHSLOT |
652 IEEE80211_C_TXFRAG |
653 IEEE80211_C_BURST |
654 IEEE80211_C_WME |
655 IEEE80211_C_WPA;
656
657 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
658 IEEE80211_CRYPTO_TKIP |
659 IEEE80211_CRYPTO_TKIPMIC |
660 IEEE80211_CRYPTO_AES_CCM;
661
662 ic->ic_htcaps = IEEE80211_HTC_HT |
663 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
664 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
665 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
666 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
667 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
668 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
669 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
670 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
671
672 /* spatial streams */
673
674 if (sc->nrxpath == 2)
675 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
676 else if (sc->nrxpath == 3)
677 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
678 else
679 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
680
681 if (sc->ntxpath > 1)
682 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
683
684 /* delayed BA */
685
686 if (sc->mac_rev != 0x28600100)
687 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
688
689 /* init channels */
690
691 ic->ic_nchans = 0;
692
693 rt2870_init_channels(sc);
694
695 rt2870_init_channels_ht40(sc);
696
697 ieee80211_ifattach(ic, sc->mac_addr);
698
699 ic->ic_vap_create = rt2870_vap_create;
700 ic->ic_vap_delete = rt2870_vap_delete;
701
702 ic->ic_node_alloc = rt2870_node_alloc;
703 ic->ic_setregdomain = rt2870_setregdomain;
704 ic->ic_getradiocaps = rt2870_getradiocaps;
705 ic->ic_scan_start = rt2870_scan_start;
706 ic->ic_scan_end = rt2870_scan_end;
707 ic->ic_set_channel = rt2870_set_channel;
708 ic->ic_newassoc = rt2870_newassoc;
709 ic->ic_updateslot = rt2870_updateslot;
710 ic->ic_update_promisc = rt2870_update_promisc;
711 ic->ic_update_mcast = rt2870_update_mcast;
712 ic->ic_wme.wme_update = rt2870_wme_update;
713 ic->ic_raw_xmit = rt2870_raw_xmit;
714
715 sc->recv_action = ic->ic_recv_action;
716 ic->ic_recv_action = rt2870_recv_action;
717
718 sc->send_action = ic->ic_send_action;
719 ic->ic_send_action = rt2870_send_action;
720
721 /* hardware requires padding between 802.11 frame header and body */
722
723 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
724
725 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
726
727 ieee80211_radiotap_attach(ic,
728 &sc->txtap.ihdr, sizeof(sc->txtap),
729 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
730 &sc->rxtap.ihdr, sizeof(sc->rxtap),
731 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
732
733 /* init task queue */
734
735 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
736 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
737 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
738 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
739
740 sc->rx_process_limit = 100;
741
742 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
743 taskqueue_thread_enqueue, &sc->taskqueue);
744
745 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
746 device_get_nameunit(sc->dev));
747
748 rt2870_sysctl_attach(sc);
749
750 if (bootverbose)
751 ieee80211_announce(ic);
752
753 return 0;
754
755 fail:
756
757 /* stop all USB transfers */
758
759 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
760
761 /* free Tx and Rx rings */
762
763 for (i = 0; i < sc->usb_endpoints - 1; i++)
764 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
765
766 rt2870_free_rx_ring(sc, &sc->rx_ring);
767
768 mtx_destroy(&sc->lock);
769
770 return error;
771 }
772
773 /*
774 * rt2870_detach
775 */
776 static int rt2870_detach(device_t dev)
777 {
778 struct rt2870_softc *sc;
779 struct ieee80211com *ic;
780 struct ifnet *ifp;
781 int i;
782
783 if (!device_is_attached(dev))
784 return 0;
785
786 sc = device_get_softc(dev);
787 ifp = sc->ifp;
788 ic = ifp->if_l2com;
789
790 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
791 "%s: detaching\n",
792 device_get_nameunit(sc->dev));
793
794 RT2870_SOFTC_LOCK(sc);
795
796 sc->tx_timer = 0;
797
798 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
799
800 callout_stop(&sc->periodic_ch);
801 callout_stop(&sc->tx_watchdog_ch);
802
803 RT2870_SOFTC_UNLOCK(sc);
804
805 taskqueue_block(sc->taskqueue);
806
807 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
808 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
809 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
810 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
811
812 /* stop all USB transfers */
813
814 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
815
816 RT2870_SOFTC_LOCK(sc);
817
818 /* free Tx and Rx rings */
819
820 for (i = 0; i < sc->usb_endpoints - 1; i++)
821 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
822
823 rt2870_free_rx_ring(sc, &sc->rx_ring);
824
825 RT2870_SOFTC_UNLOCK(sc);
826
827 ieee80211_ifdetach(ic);
828
829 if_free(ifp);
830
831 taskqueue_free(sc->taskqueue);
832
833 mtx_destroy(&sc->lock);
834
835 return 0;
836 }
837
838 /*
839 * rt2870_init_channels
840 */
841 static void rt2870_init_channels(struct rt2870_softc *sc)
842 {
843 struct ifnet *ifp;
844 struct ieee80211com *ic;
845 struct ieee80211_channel *c;
846 int i, flags;
847
848 ifp = sc->ifp;
849 ic = ifp->if_l2com;
850
851 /* set supported channels for 2GHz band */
852
853 for (i = 1; i <= 14; i++)
854 {
855 c = &ic->ic_channels[ic->ic_nchans++];
856 flags = IEEE80211_CHAN_B;
857
858 c->ic_freq = ieee80211_ieee2mhz(i, flags);
859 c->ic_ieee = i;
860 c->ic_flags = flags;
861
862 c = &ic->ic_channels[ic->ic_nchans++];
863 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
864
865 c->ic_freq = ieee80211_ieee2mhz(i, flags);
866 c->ic_ieee = i;
867 c->ic_flags = flags;
868
869 c = &ic->ic_channels[ic->ic_nchans++];
870 flags = IEEE80211_CHAN_G;
871
872 c->ic_freq = ieee80211_ieee2mhz(i, flags);
873 c->ic_ieee = i;
874 c->ic_flags = flags;
875
876 c = &ic->ic_channels[ic->ic_nchans++];
877 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
878
879 c->ic_freq = ieee80211_ieee2mhz(i, flags);
880 c->ic_ieee = i;
881 c->ic_flags = flags;
882 }
883
884 /* set supported channels for 5GHz band */
885
886 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
887 sc->rf_rev == RT2870_EEPROM_RF_2750)
888 {
889 for (i = 36; i <= 64; i += 4)
890 {
891 c = &ic->ic_channels[ic->ic_nchans++];
892 flags = IEEE80211_CHAN_A;
893
894 c->ic_freq = ieee80211_ieee2mhz(i, flags);
895 c->ic_ieee = i;
896 c->ic_flags = flags;
897
898 c = &ic->ic_channels[ic->ic_nchans++];
899 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
900
901 c->ic_freq = ieee80211_ieee2mhz(i, flags);
902 c->ic_ieee = i;
903 c->ic_flags = flags;
904 }
905
906 for (i = 100; i <= 140; i += 4)
907 {
908 c = &ic->ic_channels[ic->ic_nchans++];
909 flags = IEEE80211_CHAN_A;
910
911 c->ic_freq = ieee80211_ieee2mhz(i, flags);
912 c->ic_ieee = i;
913 c->ic_flags = flags;
914
915 c = &ic->ic_channels[ic->ic_nchans++];
916 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
917
918 c->ic_freq = ieee80211_ieee2mhz(i, flags);
919 c->ic_ieee = i;
920 c->ic_flags = flags;
921 }
922
923 for (i = 149; i <= 165; i += 4)
924 {
925 c = &ic->ic_channels[ic->ic_nchans++];
926 flags = IEEE80211_CHAN_A;
927
928 c->ic_freq = ieee80211_ieee2mhz(i, flags);
929 c->ic_ieee = i;
930 c->ic_flags = flags;
931
932 c = &ic->ic_channels[ic->ic_nchans++];
933 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
934
935 c->ic_freq = ieee80211_ieee2mhz(i, flags);
936 c->ic_ieee = i;
937 c->ic_flags = flags;
938 }
939 }
940 }
941
942 /*
943 * rt2870_init_channels_ht40
944 */
945 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
946 {
947 struct ifnet *ifp;
948 struct ieee80211com *ic;
949 struct ieee80211_channel *c, *cent, *ext;
950 int i, flags;
951
952 ifp = sc->ifp;
953 ic = ifp->if_l2com;
954
955 /* set supported channels for 2GHz band */
956
957 for (i = 1; i <= 14; i++)
958 {
959 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
960
961 /* find the center channel */
962
963 cent = ieee80211_find_channel_byieee(ic, i,
964 flags & ~IEEE80211_CHAN_HT);
965 if (cent == NULL)
966 {
967 printf("%s: skip channel %d, could not find center channel\n",
968 device_get_nameunit(sc->dev), i);
969 continue;
970 }
971
972 /* find the extension channel */
973
974 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
975 flags & ~IEEE80211_CHAN_HT);
976 if (ext == NULL)
977 {
978 printf("%s: skip channel %d, could not find extension channel\n",
979 device_get_nameunit(sc->dev), i);
980 continue;
981 }
982
983 c = &ic->ic_channels[ic->ic_nchans++];
984
985 *c = *cent;
986 c->ic_extieee = ext->ic_ieee;
987 c->ic_flags &= ~IEEE80211_CHAN_HT;
988 c->ic_flags |= IEEE80211_CHAN_HT40U;
989
990 c = &ic->ic_channels[ic->ic_nchans++];
991
992 *c = *ext;
993 c->ic_extieee = cent->ic_ieee;
994 c->ic_flags &= ~IEEE80211_CHAN_HT;
995 c->ic_flags |= IEEE80211_CHAN_HT40D;
996 }
997
998 /* set supported channels for 5GHz band */
999
1000 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1001 sc->rf_rev == RT2870_EEPROM_RF_2750)
1002 {
1003 for (i = 36; i <= 64; i += 4)
1004 {
1005 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1006
1007 /* find the center channel */
1008
1009 cent = ieee80211_find_channel_byieee(ic, i,
1010 flags & ~IEEE80211_CHAN_HT);
1011 if (cent == NULL)
1012 {
1013 printf("%s: skip channel %d, could not find center channel\n",
1014 device_get_nameunit(sc->dev), i);
1015 continue;
1016 }
1017
1018 /* find the extension channel */
1019
1020 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1021 flags & ~IEEE80211_CHAN_HT);
1022 if (ext == NULL)
1023 {
1024 printf("%s: skip channel %d, could not find extension channel\n",
1025 device_get_nameunit(sc->dev), i);
1026 continue;
1027 }
1028
1029 c = &ic->ic_channels[ic->ic_nchans++];
1030
1031 *c = *cent;
1032 c->ic_extieee = ext->ic_ieee;
1033 c->ic_flags &= ~IEEE80211_CHAN_HT;
1034 c->ic_flags |= IEEE80211_CHAN_HT40U;
1035
1036 c = &ic->ic_channels[ic->ic_nchans++];
1037
1038 *c = *ext;
1039 c->ic_extieee = cent->ic_ieee;
1040 c->ic_flags &= ~IEEE80211_CHAN_HT;
1041 c->ic_flags |= IEEE80211_CHAN_HT40D;
1042 }
1043
1044 for (i = 100; i <= 140; i += 4)
1045 {
1046 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1047
1048 /* find the center channel */
1049
1050 cent = ieee80211_find_channel_byieee(ic, i,
1051 flags & ~IEEE80211_CHAN_HT);
1052 if (cent == NULL)
1053 {
1054 printf("%s: skip channel %d, could not find center channel\n",
1055 device_get_nameunit(sc->dev), i);
1056 continue;
1057 }
1058
1059 /* find the extension channel */
1060
1061 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1062 flags & ~IEEE80211_CHAN_HT);
1063 if (ext == NULL)
1064 {
1065 printf("%s: skip channel %d, could not find extension channel\n",
1066 device_get_nameunit(sc->dev), i);
1067 continue;
1068 }
1069
1070 c = &ic->ic_channels[ic->ic_nchans++];
1071
1072 *c = *cent;
1073 c->ic_extieee = ext->ic_ieee;
1074 c->ic_flags &= ~IEEE80211_CHAN_HT;
1075 c->ic_flags |= IEEE80211_CHAN_HT40U;
1076
1077 c = &ic->ic_channels[ic->ic_nchans++];
1078
1079 *c = *ext;
1080 c->ic_extieee = cent->ic_ieee;
1081 c->ic_flags &= ~IEEE80211_CHAN_HT;
1082 c->ic_flags |= IEEE80211_CHAN_HT40D;
1083 }
1084
1085 for (i = 149; i <= 165; i += 4)
1086 {
1087 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1088
1089 /* find the center channel */
1090
1091 cent = ieee80211_find_channel_byieee(ic, i,
1092 flags & ~IEEE80211_CHAN_HT);
1093 if (cent == NULL)
1094 {
1095 printf("%s: skip channel %d, could not find center channel\n",
1096 device_get_nameunit(sc->dev), i);
1097 continue;
1098 }
1099
1100 /* find the extension channel */
1101
1102 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1103 flags & ~IEEE80211_CHAN_HT);
1104 if (ext == NULL)
1105 {
1106 printf("%s: skip channel %d, could not find extension channel\n",
1107 device_get_nameunit(sc->dev), i);
1108 continue;
1109 }
1110
1111 c = &ic->ic_channels[ic->ic_nchans++];
1112
1113 *c = *cent;
1114 c->ic_extieee = ext->ic_ieee;
1115 c->ic_flags &= ~IEEE80211_CHAN_HT;
1116 c->ic_flags |= IEEE80211_CHAN_HT40U;
1117
1118 c = &ic->ic_channels[ic->ic_nchans++];
1119
1120 *c = *ext;
1121 c->ic_extieee = cent->ic_ieee;
1122 c->ic_flags &= ~IEEE80211_CHAN_HT;
1123 c->ic_flags |= IEEE80211_CHAN_HT40D;
1124 }
1125 }
1126 }
1127
1128 /*
1129 * rt2870_init_locked
1130 */
1131 static void rt2870_init_locked(void *priv)
1132 {
1133 struct rt2870_softc *sc;
1134 struct ifnet *ifp;
1135 struct ieee80211com *ic;
1136 int ntries, error, i;
1137 uint32_t tmp, stacnt[6];
1138
1139 sc = priv;
1140 ifp = sc->ifp;
1141 ic = ifp->if_l2com;
1142
1143 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1144 "%s: initializing\n",
1145 device_get_nameunit(sc->dev));
1146
1147 RT2870_SOFTC_ASSERT_LOCKED(sc);
1148
1149 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1150 {
1151 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1152 "%s: loading 8051 microcode\n",
1153 device_get_nameunit(sc->dev));
1154
1155 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1156 if (error != 0)
1157 {
1158 printf("%s: could not load 8051 microcode\n",
1159 device_get_nameunit(sc->dev));
1160 goto fail;
1161 }
1162
1163 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1164 "%s: 8051 microcode was successfully loaded\n",
1165 device_get_nameunit(sc->dev));
1166
1167 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1168 }
1169
1170 /* wait while DMA engine is busy */
1171
1172 for (ntries = 0; ntries < 100; ntries++)
1173 {
1174 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1175 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1176 break;
1177
1178 DELAY(1000);
1179 }
1180
1181 if (ntries == 100)
1182 {
1183 printf("%s: timeout waiting for DMA engine\n",
1184 device_get_nameunit(sc->dev));
1185 goto fail;
1186 }
1187
1188 tmp &= 0xff0;
1189 tmp |= RT2870_REG_TX_WB_DDONE;
1190
1191 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1192
1193 /* PBF hardware reset */
1194
1195 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1196
1197 tmp &= ~(1 << 13);
1198
1199 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1200
1201 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1202 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1203
1204 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1205
1206 rt2870_io_mcu_reset(sc);
1207
1208 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1209
1210 /* init Tx power per rate */
1211
1212 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1213 {
1214 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1215 continue;
1216
1217 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1218 sc->txpow_rate_20mhz[i]);
1219 }
1220
1221 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1222 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1223 rt2870_def_mac[i].val);
1224
1225 /* wait while MAC is busy */
1226
1227 for (ntries = 0; ntries < 100; ntries++)
1228 {
1229 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1230 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1231 break;
1232
1233 DELAY(1000);
1234 }
1235
1236 if (ntries == 100)
1237 {
1238 printf("%s: timeout waiting for MAC\n",
1239 device_get_nameunit(sc->dev));
1240 goto fail;
1241 }
1242
1243 /* clear Host to MCU mailbox */
1244
1245 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1246 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1247
1248 DELAY(1000);
1249
1250 error = rt2870_init_bbp(sc);
1251 if (error != 0)
1252 goto fail;
1253
1254 /* set up maximum buffer sizes */
1255
1256 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1257
1258 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1259
1260 if (sc->mac_rev == 0x28720200)
1261 {
1262 /* set max. PSDU length from 16K to 32K bytes */
1263
1264 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1265
1266 tmp &= ~(3 << 12);
1267 tmp |= (2 << 12);
1268
1269 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1270 }
1271
1272 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1273 {
1274 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1275
1276 tmp &= 0xfff;
1277 tmp |= 0x2000;
1278
1279 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1280 }
1281
1282 /* set mac address */
1283
1284 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1285
1286 /* clear statistic registers */
1287
1288 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1289 stacnt, sizeof(stacnt));
1290
1291 /* send LEDs operating mode to microcontroller */
1292
1293 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1294 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1295 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1296 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1297 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1298 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1299
1300 /* write vendor-specific BBP values (from EEPROM) */
1301
1302 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1303 {
1304 if (sc->bbp_eeprom[i].reg == 0x00 ||
1305 sc->bbp_eeprom[i].reg == 0xff)
1306 continue;
1307
1308 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1309 sc->bbp_eeprom[i].val);
1310 }
1311
1312 /* disable non-existing Rx chains */
1313
1314 tmp = rt2870_io_bbp_read(sc, 3);
1315
1316 tmp &= ~((1 << 4) | (1 << 3));
1317
1318 if (sc->nrxpath == 3)
1319 tmp |= (1 << 4);
1320 else if (sc->nrxpath == 2)
1321 tmp |= (1 << 3);
1322
1323 rt2870_io_bbp_write(sc, 3, tmp);
1324
1325 /* disable non-existing Tx chains */
1326
1327 tmp = rt2870_io_bbp_read(sc, 1);
1328
1329 tmp &= ~((1 << 4) | (1 << 3));
1330
1331 if (sc->ntxpath == 2)
1332 tmp |= (1 << 4);
1333
1334 rt2870_io_bbp_write(sc, 1, tmp);
1335
1336 /* set current channel */
1337
1338 rt2870_rf_set_chan(sc, ic->ic_curchan);
1339
1340 /* turn radio LED on */
1341
1342 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1343
1344 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1345 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1346
1347 /* set RTS threshold */
1348
1349 rt2870_asic_update_rtsthreshold(sc);
1350
1351 /* set Tx power */
1352
1353 rt2870_asic_update_txpower(sc);
1354
1355 /* set up protection mode */
1356
1357 rt2870_asic_updateprot(sc);
1358
1359 /* clear key tables */
1360
1361 rt2870_asic_clear_keytables(sc);
1362
1363 /* clear beacon frame space (entries = 8, entry size = 512) */
1364
1365 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1366
1367 if (rt2870_txrx_enable(sc) != 0)
1368 goto fail;
1369
1370 /* clear garbage interrupts */
1371
1372 tmp = rt2870_io_mac_read(sc, 0x1300);
1373
1374 taskqueue_unblock(sc->taskqueue);
1375
1376 /* init Tx and Rx rings */
1377
1378 for(i = 0; i < sc->usb_endpoints - 1; i++)
1379 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1380
1381 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1382
1383 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1384
1385 for(i = 0; i < sc->usb_endpoints - 1; i++)
1386 {
1387 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1388 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1389 }
1390
1391 /* start up the receive pipe */
1392
1393 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1394 usbd_transfer_start(sc->usb_xfer[0]);
1395
1396 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1397 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1398
1399 sc->periodic_round = 0;
1400
1401 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1402
1403 return;
1404
1405 fail:
1406
1407 rt2870_stop_locked(sc);
1408 }
1409
1410 /*
1411 * rt2870_init
1412 */
1413 static void rt2870_init(void *priv)
1414 {
1415 struct rt2870_softc *sc;
1416
1417 sc = priv;
1418
1419 RT2870_SOFTC_LOCK(sc);
1420
1421 rt2870_init_locked(sc);
1422
1423 RT2870_SOFTC_UNLOCK(sc);
1424 }
1425
1426 /*
1427 * rt2870_init_bbp
1428 */
1429 static int rt2870_init_bbp(struct rt2870_softc *sc)
1430 {
1431 int ntries, i;
1432 uint8_t tmp;
1433
1434 for (ntries = 0; ntries < 20; ntries++)
1435 {
1436 tmp = rt2870_io_bbp_read(sc, 0);
1437 if (tmp != 0x00 && tmp != 0xff)
1438 break;
1439 }
1440
1441 if (tmp == 0x00 || tmp == 0xff)
1442 {
1443 printf("%s: timeout waiting for BBP to wakeup\n",
1444 device_get_nameunit(sc->dev));
1445 return ETIMEDOUT;
1446 }
1447
1448 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1449 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1450 rt2870_def_bbp[i].val);
1451
1452 if ((sc->mac_rev & 0xffff) != 0x0101)
1453 rt2870_io_bbp_write(sc, 84, 0x19);
1454
1455 if (sc->mac_rev == 0x28600100)
1456 {
1457 rt2870_io_bbp_write(sc, 69, 0x16);
1458 rt2870_io_bbp_write(sc, 73, 0x12);
1459 }
1460
1461 return 0;
1462 }
1463
1464 /*
1465 * rt2870_stop_locked
1466 */
1467 static void rt2870_stop_locked(void *priv)
1468 {
1469 struct rt2870_softc *sc;
1470 struct ifnet *ifp;
1471 struct ieee80211com *ic;
1472 uint32_t tmp;
1473 int i;
1474
1475 sc = priv;
1476 ifp = sc->ifp;
1477 ic = ifp->if_l2com;
1478
1479 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1480 "%s: stopping\n",
1481 device_get_nameunit(sc->dev));
1482
1483 RT2870_SOFTC_ASSERT_LOCKED(sc);
1484
1485 sc->tx_timer = 0;
1486
1487 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1488 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1489
1490 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1491
1492 callout_stop(&sc->periodic_ch);
1493 callout_stop(&sc->tx_watchdog_ch);
1494
1495 RT2870_SOFTC_UNLOCK(sc);
1496
1497 taskqueue_block(sc->taskqueue);
1498
1499 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1500 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1501 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1502 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1503
1504 RT2870_SOFTC_LOCK(sc);
1505
1506 /* clear key tables */
1507
1508 rt2870_asic_clear_keytables(sc);
1509
1510 /* disable Tx/Rx */
1511
1512 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1513
1514 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1515
1516 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1517
1518 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1519
1520 /* reset adapter */
1521
1522 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1523 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1524 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1525
1526 /* abort any pending transfers */
1527
1528 for (i = 0; i < sc->usb_endpoints; i++)
1529 usbd_transfer_stop(sc->usb_xfer[i]);
1530 }
1531
1532 /*
1533 * rt2870_stop
1534 */
1535 static void rt2870_stop(void *priv)
1536 {
1537 struct rt2870_softc *sc;
1538
1539 sc = priv;
1540
1541 RT2870_SOFTC_LOCK(sc);
1542
1543 rt2870_stop_locked(sc);
1544
1545 RT2870_SOFTC_UNLOCK(sc);
1546 }
1547
1548 /*
1549 * rt2870_start
1550 */
1551 static void rt2870_start(struct ifnet *ifp)
1552 {
1553 struct rt2870_softc *sc;
1554 struct ieee80211_node *ni;
1555 struct mbuf *m;
1556 int qid;
1557
1558 sc = ifp->if_softc;
1559
1560 RT2870_SOFTC_LOCK(sc);
1561
1562 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1563 {
1564 RT2870_SOFTC_UNLOCK(sc);
1565 return;
1566 }
1567
1568 for (;;)
1569 {
1570 IF_POLL(&ifp->if_snd, m);
1571 if (m == NULL)
1572 break;
1573
1574 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1575
1576 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1577
1578 qid = M_WME_GETAC(m);
1579
1580 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1581 {
1582 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1583 "%s: if_start: Tx ring with qid=%d is full\n",
1584 device_get_nameunit(sc->dev), qid);
1585
1586 m_freem(m);
1587 ieee80211_free_node(ni);
1588
1589 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1590 ifp->if_oerrors++;
1591
1592 sc->tx_data_queue_full[qid]++;
1593
1594 break;
1595 }
1596
1597 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1598 {
1599 ieee80211_free_node(ni);
1600 ifp->if_oerrors++;
1601 break;
1602 }
1603
1604 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1605
1606 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1607 }
1608
1609 RT2870_SOFTC_UNLOCK(sc);
1610 }
1611
1612 /*
1613 * rt2870_ioctl
1614 */
1615 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1616 {
1617 struct rt2870_softc *sc;
1618 struct ieee80211com *ic;
1619 struct ifreq *ifr;
1620 int error, startall;
1621
1622 sc = ifp->if_softc;
1623 ic = ifp->if_l2com;
1624 ifr = (struct ifreq *) data;
1625
1626 error = 0;
1627
1628 switch (cmd)
1629 {
1630 case SIOCSIFFLAGS:
1631 startall = 0;
1632
1633 RT2870_SOFTC_LOCK(sc);
1634
1635 if (ifp->if_flags & IFF_UP)
1636 {
1637 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1638 {
1639 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1640 rt2870_asic_update_promisc(sc);
1641 }
1642 else
1643 {
1644 rt2870_init_locked(sc);
1645 startall = 1;
1646 }
1647 }
1648 else
1649 {
1650 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1651 rt2870_stop_locked(sc);
1652 }
1653
1654 sc->if_flags = ifp->if_flags;
1655
1656 RT2870_SOFTC_UNLOCK(sc);
1657
1658 if (startall)
1659 ieee80211_start_all(ic);
1660 break;
1661
1662 case SIOCGIFMEDIA:
1663 case SIOCSIFMEDIA:
1664 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1665 break;
1666
1667 case SIOCGIFADDR:
1668 error = ether_ioctl(ifp, cmd, data);
1669 break;
1670
1671 default:
1672 error = EINVAL;
1673 break;
1674 }
1675
1676 return error;
1677 }
1678
1679 /*
1680 * rt2870_vap_create
1681 */
1682 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1683 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1684 const uint8_t bssid[IEEE80211_ADDR_LEN],
1685 const uint8_t mac[IEEE80211_ADDR_LEN])
1686 {
1687 struct rt2870_softc *sc;
1688 struct ifnet *ifp;
1689 struct rt2870_softc_vap *rvap;
1690 struct ieee80211vap *vap;
1691
1692 ifp = ic->ic_ifp;
1693 sc = ifp->if_softc;
1694
1695 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1696 "%s: VAP create: opmode=%s\n",
1697 device_get_nameunit(sc->dev),
1698 ieee80211_opmode_name[opmode]);
1699
1700 switch (opmode)
1701 {
1702 case IEEE80211_M_MONITOR:
1703 case IEEE80211_M_IBSS:
1704 case IEEE80211_M_STA:
1705 case IEEE80211_M_AHDEMO:
1706 case IEEE80211_M_HOSTAP:
1707 case IEEE80211_M_MBSS:
1708 if (!TAILQ_EMPTY(&ic->ic_vaps))
1709 {
1710 if_printf(ifp, "only 1 VAP supported\n");
1711 return NULL;
1712 }
1713
1714 if (opmode == IEEE80211_M_STA)
1715 flags |= IEEE80211_CLONE_NOBEACONS;
1716 break;
1717
1718 case IEEE80211_M_WDS:
1719 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1720 {
1721 if_printf(ifp, "WDS only supported in AP mode\n");
1722 return NULL;
1723 }
1724
1725 flags &= ~IEEE80211_CLONE_BSSID;
1726 break;
1727
1728 default:
1729 if_printf(ifp, "unknown opmode %d\n", opmode);
1730 return NULL;
1731 }
1732
1733 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1734 M_80211_VAP, M_NOWAIT | M_ZERO);
1735 if (rvap == NULL)
1736 return NULL;
1737
1738 vap = &rvap->vap;
1739
1740 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1741
1742 rvap->newstate = vap->iv_newstate;
1743 vap->iv_newstate = rt2870_vap_newstate;
1744
1745 vap->iv_reset = rt2870_vap_reset;
1746 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1747 vap->iv_key_update_end = rt2870_vap_key_update_end;
1748 vap->iv_key_set = rt2870_vap_key_set;
1749 vap->iv_key_delete = rt2870_vap_key_delete;
1750 vap->iv_update_beacon = rt2870_vap_update_beacon;
1751
1752 rt2870_amrr_init(&rvap->amrr, vap,
1753 sc->ntxpath,
1754 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1755 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1756 500);
1757
1758 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1759
1760 /* override default Rx A-MPDU factor */
1761
1762 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1763 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1764 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1765
1766 ic->ic_opmode = opmode;
1767
1768 return vap;
1769 }
1770
1771 /*
1772 * rt2870_vap_delete
1773 */
1774 static void rt2870_vap_delete(struct ieee80211vap *vap)
1775 {
1776 struct rt2870_softc *sc;
1777 struct ieee80211com *ic;
1778 struct ifnet *ifp;
1779 struct rt2870_softc_vap *rvap;
1780
1781 ic = vap->iv_ic;
1782 ifp = ic->ic_ifp;
1783 sc = ifp->if_softc;
1784 rvap = (struct rt2870_softc_vap *) vap;
1785
1786 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1787 "%s: VAP delete: opmode=%s\n",
1788 device_get_nameunit(sc->dev),
1789 ieee80211_opmode_name[vap->iv_opmode]);
1790
1791 rt2870_amrr_cleanup(&rvap->amrr);
1792
1793 ieee80211_vap_detach(vap);
1794
1795 free(rvap, M_80211_VAP);
1796 }
1797
1798 /*
1799 * rt2870_reset_vap
1800 */
1801 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1802 {
1803 struct rt2870_softc *sc;
1804 struct ieee80211com *ic;
1805 struct ifnet *ifp;
1806 struct rt2870_softc_vap *rvap;
1807 int error;
1808
1809 ic = vap->iv_ic;
1810 ifp = ic->ic_ifp;
1811 sc = ifp->if_softc;
1812 rvap = (struct rt2870_softc_vap *) vap;
1813
1814 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1815 "%s: VAP reset: cmd=%lu\n",
1816 device_get_nameunit(sc->dev), cmd);
1817
1818 error = 0;
1819
1820 RT2870_SOFTC_LOCK(sc);
1821
1822 switch (cmd)
1823 {
1824 case IEEE80211_IOC_RTSTHRESHOLD:
1825 case IEEE80211_IOC_AMSDU:
1826 rt2870_asic_update_rtsthreshold(sc);
1827 break;
1828
1829 case IEEE80211_IOC_PROTMODE:
1830 case IEEE80211_IOC_HTPROTMODE:
1831 rt2870_asic_updateprot(sc);
1832 break;
1833
1834 case IEEE80211_IOC_TXPOWER:
1835 rt2870_asic_update_txpower(sc);
1836 break;
1837
1838 case IEEE80211_IOC_SHORTGI:
1839 case IEEE80211_IOC_AMPDU_DENSITY:
1840 break;
1841
1842 default:
1843 error = ENETRESET;
1844 break;
1845 }
1846
1847 RT2870_SOFTC_UNLOCK(sc);
1848
1849 return error;
1850 }
1851
1852 /*
1853 * rt2870_vap_newstate
1854 */
1855 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1856 enum ieee80211_state nstate, int arg)
1857 {
1858 struct rt2870_softc *sc;
1859 struct ieee80211com *ic;
1860 struct ifnet *ifp;
1861 struct rt2870_softc_vap *rvap;
1862 struct ieee80211_node *ni;
1863 int error;
1864
1865 ic = vap->iv_ic;
1866 ifp = ic->ic_ifp;
1867 sc = ifp->if_softc;
1868 rvap = (struct rt2870_softc_vap *) vap;
1869
1870 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1871 "%s: VAP newstate: %s -> %s\n",
1872 device_get_nameunit(sc->dev),
1873 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1874
1875 error = rvap->newstate(vap, nstate, arg);
1876 if (error != 0)
1877 return error;
1878
1879 IEEE80211_UNLOCK(ic);
1880
1881 RT2870_SOFTC_LOCK(sc);
1882
1883 /* turn link LED off */
1884
1885 if (nstate != IEEE80211_S_RUN)
1886 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1887
1888 switch (nstate)
1889 {
1890 case IEEE80211_S_INIT:
1891 rt2870_asic_disable_tsf_sync(sc);
1892 break;
1893
1894 case IEEE80211_S_RUN:
1895 ni = vap->iv_bss;
1896
1897 rt2870_rf_set_chan(sc, ni->ni_chan);
1898
1899 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1900 {
1901 rt2870_asic_enable_mrr(sc);
1902 rt2870_asic_set_txpreamble(sc);
1903 rt2870_asic_set_basicrates(sc);
1904 rt2870_asic_update_txpower(sc);
1905 rt2870_asic_set_bssid(sc, ni->ni_bssid);
1906 }
1907
1908 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1909 vap->iv_opmode == IEEE80211_M_IBSS ||
1910 vap->iv_opmode == IEEE80211_M_MBSS)
1911 {
1912 error = rt2870_asic_update_beacon(sc, vap);
1913 if (error != 0)
1914 break;
1915 }
1916
1917 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1918 rt2870_asic_enable_tsf_sync(sc);
1919
1920 /* turn link LED on */
1921
1922 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1923 {
1924 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
1925 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1926 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
1927 }
1928 break;
1929
1930 default:
1931 break;
1932 }
1933
1934 RT2870_SOFTC_UNLOCK(sc);
1935
1936 IEEE80211_LOCK(ic);
1937
1938 return error;
1939 }
1940
1941 /*
1942 * rt2870_vap_key_update_begin
1943 */
1944 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
1945 {
1946 struct rt2870_softc *sc;
1947 struct ieee80211com *ic;
1948 struct ifnet *ifp;
1949
1950 ic = vap->iv_ic;
1951 ifp = ic->ic_ifp;
1952 sc = ifp->if_softc;
1953
1954 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1955 "%s: VAP key update begin\n",
1956 device_get_nameunit(sc->dev));
1957
1958 taskqueue_block(sc->taskqueue);
1959
1960 IF_LOCK(&ifp->if_snd);
1961 }
1962
1963 /*
1964 * rt2870_vap_key_update_end
1965 */
1966 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
1967 {
1968 struct rt2870_softc *sc;
1969 struct ieee80211com *ic;
1970 struct ifnet *ifp;
1971
1972 ic = vap->iv_ic;
1973 ifp = ic->ic_ifp;
1974 sc = ifp->if_softc;
1975
1976 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1977 "%s: VAP key update end\n",
1978 device_get_nameunit(sc->dev));
1979
1980 IF_UNLOCK(&ifp->if_snd);
1981
1982 taskqueue_unblock(sc->taskqueue);
1983 }
1984
1985 /*
1986 * rt2870_vap_key_set
1987 */
1988 static int rt2870_vap_key_set(struct ieee80211vap *vap,
1989 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
1990 {
1991 struct rt2870_softc *sc;
1992 struct ieee80211com *ic;
1993 struct ifnet *ifp;
1994 struct ieee80211_node *ni;
1995 struct rt2870_cmd_argv_keyset cmd_argv;
1996 uint16_t associd;
1997
1998 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
1999 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2000 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2001 return EINVAL;
2002
2003 ic = vap->iv_ic;
2004 ifp = ic->ic_ifp;
2005 sc = ifp->if_softc;
2006
2007 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2008 ni = vap->iv_bss;
2009 else
2010 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2011
2012 associd = (ni != NULL) ? ni->ni_associd : 0;
2013
2014 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2015 ieee80211_free_node(ni);
2016
2017 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2018 cmd_argv.associd = associd;
2019
2020 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2021 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2022
2023 return 1;
2024 }
2025
2026 /*
2027 * rt2870_vap_key_delete
2028 */
2029 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2030 const struct ieee80211_key *k)
2031 {
2032 struct rt2870_softc *sc;
2033 struct ieee80211com *ic;
2034 struct ifnet *ifp;
2035 struct ieee80211_node *ni;
2036 struct rt2870_cmd_argv_keydelete cmd_argv;
2037 uint16_t associd;
2038
2039 ic = vap->iv_ic;
2040 ifp = ic->ic_ifp;
2041 sc = ifp->if_softc;
2042 ni = vap->iv_bss;
2043 associd = (ni != NULL) ? ni->ni_associd : 0;
2044
2045 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2046 cmd_argv.associd = associd;
2047
2048 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2049 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2050
2051 return 1;
2052 }
2053
2054 /*
2055 * rt2870_vap_update_beacon
2056 */
2057 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2058 {
2059 struct rt2870_softc *sc;
2060 struct ieee80211com *ic;
2061 struct ifnet *ifp;
2062
2063 ic = vap->iv_ic;
2064 ifp = ic->ic_ifp;
2065 sc = ifp->if_softc;
2066
2067 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2068 "%s: VAP update beacon\n",
2069 device_get_nameunit(sc->dev));
2070
2071 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2072 }
2073
2074 /*
2075 * rt2870_node_alloc
2076 */
2077 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2078 const uint8_t mac[IEEE80211_ADDR_LEN])
2079 {
2080 return malloc(sizeof(struct rt2870_softc_node),
2081 M_80211_NODE, M_NOWAIT | M_ZERO);
2082 }
2083
2084 /*
2085 * rt2870_setregdomain
2086 */
2087 static int rt2870_setregdomain(struct ieee80211com *ic,
2088 struct ieee80211_regdomain *reg,
2089 int nchans, struct ieee80211_channel chans[])
2090 {
2091 struct rt2870_softc *sc;
2092 struct ifnet *ifp;
2093
2094 ifp = ic->ic_ifp;
2095 sc = ifp->if_softc;
2096
2097 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2098 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2099 device_get_nameunit(sc->dev),
2100 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2101
2102 return 0;
2103 }
2104
2105 /*
2106 * rt2870_getradiocaps
2107 */
2108 static void rt2870_getradiocaps(struct ieee80211com *ic,
2109 int maxchans, int *nchans, struct ieee80211_channel chans[])
2110 {
2111 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2112
2113 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2114 }
2115
2116 /*
2117 * rt2870_scan_start
2118 */
2119 static void rt2870_scan_start(struct ieee80211com *ic)
2120 {
2121 struct rt2870_softc *sc;
2122 struct ifnet *ifp;
2123
2124 ifp = ic->ic_ifp;
2125 sc = ifp->if_softc;
2126
2127 RT2870_SOFTC_LOCK(sc);
2128
2129 rt2870_asic_disable_tsf_sync(sc);
2130
2131 RT2870_SOFTC_UNLOCK(sc);
2132 }
2133
2134 /*
2135 * rt2870_scan_end
2136 */
2137 static void rt2870_scan_end(struct ieee80211com *ic)
2138 {
2139 struct rt2870_softc *sc;
2140 struct ifnet *ifp;
2141
2142 ifp = ic->ic_ifp;
2143 sc = ifp->if_softc;
2144
2145 RT2870_SOFTC_LOCK(sc);
2146
2147 rt2870_asic_enable_tsf_sync(sc);
2148
2149 RT2870_SOFTC_UNLOCK(sc);
2150 }
2151
2152 /*
2153 * rt2870_set_channel
2154 */
2155 static void rt2870_set_channel(struct ieee80211com *ic)
2156 {
2157 struct rt2870_softc *sc;
2158 struct ifnet *ifp;
2159
2160 ifp = ic->ic_ifp;
2161 sc = ifp->if_softc;
2162
2163 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2164 "%s: set channel: channel=%u, HT%s%s\n",
2165 device_get_nameunit(sc->dev),
2166 ieee80211_chan2ieee(ic, ic->ic_curchan),
2167 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2168 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2169 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2170 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2171
2172 RT2870_SOFTC_LOCK(sc);
2173
2174 rt2870_rf_set_chan(sc, ic->ic_curchan);
2175
2176 RT2870_SOFTC_UNLOCK(sc);
2177 }
2178
2179 /*
2180 * rt2870_newassoc
2181 */
2182 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2183 {
2184 struct rt2870_softc *sc;
2185 struct ieee80211com *ic;
2186 struct ifnet *ifp;
2187 struct ieee80211vap *vap;
2188 struct rt2870_softc_vap *rvap;
2189 uint16_t associd;
2190 uint8_t wcid;
2191
2192 vap = ni->ni_vap;
2193 ic = vap->iv_ic;
2194 ifp = ic->ic_ifp;
2195 sc = ifp->if_softc;
2196 rvap = (struct rt2870_softc_vap *) vap;
2197
2198 associd = (ni != NULL) ? ni->ni_associd : 0;
2199 wcid = RT2870_AID2WCID(associd);
2200
2201 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2202 "%s: new association: wcid=0x%02x, "
2203 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2204 device_get_nameunit(sc->dev), wcid,
2205 ether_sprintf(ni->ni_macaddr),
2206 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2207 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2208 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2209
2210 RT2870_SOFTC_LOCK(sc);
2211
2212 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2213 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2214
2215 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2216
2217 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2218 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2219 device_get_nameunit(sc->dev),
2220 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2221 ni->ni_associd, ni->ni_txrate,
2222 (ni->ni_flags & IEEE80211_NODE_HT) ?
2223 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2224 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2225
2226 rt2870_asic_updateprot(sc);
2227 rt2870_asic_updateslot(sc);
2228 rt2870_asic_set_txpreamble(sc);
2229
2230 RT2870_SOFTC_UNLOCK(sc);
2231 }
2232
2233 /*
2234 * rt2870_updateslot
2235 */
2236 static void rt2870_updateslot(struct ifnet *ifp)
2237 {
2238 struct rt2870_softc *sc;
2239
2240 sc = ifp->if_softc;
2241
2242 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2243 }
2244
2245 /*
2246 * rt2870_update_promisc
2247 */
2248 static void rt2870_update_promisc(struct ifnet *ifp)
2249 {
2250 struct rt2870_softc *sc;
2251
2252 sc = ifp->if_softc;
2253
2254 RT2870_SOFTC_LOCK(sc);
2255
2256 rt2870_asic_update_promisc(sc);
2257
2258 RT2870_SOFTC_UNLOCK(sc);
2259 }
2260
2261 /*
2262 * rt2870_update_mcast
2263 */
2264 static void rt2870_update_mcast(struct ifnet *ifp)
2265 {
2266 struct rt2870_softc *sc;
2267
2268 sc = ifp->if_softc;
2269 }
2270
2271 /*
2272 * rt2870_wme_update
2273 */
2274 static int rt2870_wme_update(struct ieee80211com *ic)
2275 {
2276 struct rt2870_softc *sc;
2277 struct ifnet *ifp;
2278
2279 ifp = ic->ic_ifp;
2280 sc = ifp->if_softc;
2281
2282 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2283
2284 return 0;
2285 }
2286
2287 /*
2288 * rt2870_raw_xmit
2289 */
2290 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2291 const struct ieee80211_bpf_params *params)
2292 {
2293 struct rt2870_softc *sc;
2294 struct ieee80211com *ic;
2295 struct ifnet *ifp;
2296
2297 ic = ni->ni_ic;
2298 ifp = ic->ic_ifp;
2299 sc = ifp->if_softc;
2300
2301 RT2870_SOFTC_LOCK(sc);
2302
2303 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2304 {
2305 RT2870_SOFTC_UNLOCK(sc);
2306
2307 m_freem(m);
2308 ieee80211_free_node(ni);
2309
2310 return ENETDOWN;
2311 }
2312
2313 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2314 {
2315 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2316 "%s: raw xmit: Tx ring with qid=%d is full\n",
2317 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2318
2319 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2320
2321 RT2870_SOFTC_UNLOCK(sc);
2322
2323 m_freem(m);
2324 ieee80211_free_node(ni);
2325
2326 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2327
2328 return ENOBUFS;
2329 }
2330
2331 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2332 {
2333 ifp->if_oerrors++;
2334
2335 RT2870_SOFTC_UNLOCK(sc);
2336
2337 ieee80211_free_node(ni);
2338
2339 return EIO;
2340 }
2341
2342 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2343
2344 RT2870_SOFTC_UNLOCK(sc);
2345
2346 return 0;
2347 }
2348
2349 /*
2350 * rt2870_recv_action
2351 */
2352 static int rt2870_recv_action(struct ieee80211_node *ni,
2353 const struct ieee80211_frame *wh,
2354 const uint8_t *frm, const uint8_t *efrm)
2355 {
2356 struct rt2870_softc *sc;
2357 struct ieee80211com *ic;
2358 struct ifnet *ifp;
2359 const struct ieee80211_action *ia;
2360 struct ieee80211_tx_ampdu *tx_ampdu;
2361 uint16_t associd, status, baparamset;
2362 uint8_t wcid;
2363 int ret, tid, bufsize, ac;
2364 uint32_t tmp;
2365
2366 ic = ni->ni_ic;
2367 ifp = ic->ic_ifp;
2368 sc = ifp->if_softc;
2369
2370 ia = (const struct ieee80211_action *) frm;
2371
2372 ret = sc->recv_action(ni, wh, frm, efrm);
2373
2374 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2375 return ret;
2376
2377 associd = (ni != NULL) ? ni->ni_associd : 0;
2378 wcid = RT2870_AID2WCID(associd);
2379
2380 switch (ia->ia_action)
2381 {
2382 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2383 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2384 baparamset = LE_READ_2(frm + 3);
2385 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2386 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2387
2388 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2389 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2390 device_get_nameunit(sc->dev), associd, tid, bufsize);
2391
2392 RT2870_SOFTC_LOCK(sc);
2393
2394 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2395
2396 tmp |= (0x10000 << tid);
2397
2398 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2399
2400 RT2870_SOFTC_UNLOCK(sc);
2401 break;
2402
2403 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2404 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2405 status = LE_READ_2(frm + 3);
2406 baparamset = LE_READ_2(frm + 4);
2407 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2408 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2409 ac = TID_TO_WME_AC(tid);
2410 tx_ampdu = &ni->ni_tx_ampdu[ac];
2411
2412 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2413 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2414 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2415
2416 if (sc->mac_rev >= 0x28720200)
2417 {
2418 if (tx_ampdu->txa_wnd > 13)
2419 tx_ampdu->txa_wnd = 13;
2420 }
2421 else
2422 {
2423 if (tx_ampdu->txa_wnd > 7)
2424 tx_ampdu->txa_wnd = 7;
2425 }
2426
2427 if (status == IEEE80211_STATUS_SUCCESS)
2428 {
2429 sc->tx_ampdu_sessions++;
2430
2431 RT2870_SOFTC_LOCK(sc);
2432
2433 rt2870_asic_updateprot(sc);
2434
2435 RT2870_SOFTC_UNLOCK(sc);
2436 }
2437 break;
2438
2439 /* IEEE80211_ACTION_BA_DELBA */
2440 case IEEE80211_ACTION_BA_DELBA:
2441 baparamset = LE_READ_2(frm + 2);
2442 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2443
2444 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2445 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2446 device_get_nameunit(sc->dev), associd, tid);
2447
2448 RT2870_SOFTC_LOCK(sc);
2449
2450 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2451
2452 tmp &= ~(0x10000 << tid);
2453
2454 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2455
2456 RT2870_SOFTC_UNLOCK(sc);
2457 break;
2458 }
2459
2460 return ret;
2461 }
2462
2463 /*
2464 * rt2870_send_action
2465 */
2466 static int rt2870_send_action(struct ieee80211_node *ni,
2467 int cat, int act, void *sa)
2468 {
2469 struct rt2870_softc *sc;
2470 struct ieee80211com *ic;
2471 struct ifnet *ifp;
2472 uint16_t associd, *args, baparamset;
2473 uint8_t wcid;
2474 int ret, tid;
2475 uint32_t tmp;
2476
2477 ic = ni->ni_ic;
2478 ifp = ic->ic_ifp;
2479 sc = ifp->if_softc;
2480
2481 ret = sc->send_action(ni, cat, act, sa);
2482
2483 if (cat != IEEE80211_ACTION_CAT_BA)
2484 return ret;
2485
2486 associd = (ni != NULL) ? ni->ni_associd : 0;
2487 wcid = RT2870_AID2WCID(associd);
2488 args = sa;
2489
2490 switch (act)
2491 {
2492 /* IEEE80211_ACTION_BA_DELBA */
2493 case IEEE80211_ACTION_BA_DELBA:
2494 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2495
2496 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2497
2498 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2499 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2500 device_get_nameunit(sc->dev), associd, tid);
2501
2502 RT2870_SOFTC_LOCK(sc);
2503
2504 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2505 {
2506 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2507
2508 tmp &= ~(0x10000 << tid);
2509
2510 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2511 }
2512 else
2513 {
2514 sc->tx_ampdu_sessions--;
2515
2516 rt2870_asic_updateprot(sc);
2517 }
2518
2519 RT2870_SOFTC_UNLOCK(sc);
2520 break;
2521 }
2522
2523 return ret;
2524 }
2525
2526 /*
2527 * rt2870_amrr_update_iter_func
2528 */
2529 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2530 {
2531 struct rt2870_softc *sc;
2532 struct ieee80211com *ic;
2533 struct ifnet *ifp;
2534 struct ieee80211vap *vap;
2535 struct rt2870_softc_vap *rvap;
2536 uint8_t wcid;
2537
2538 vap = arg;
2539 ic = vap->iv_ic;
2540 ifp = ic->ic_ifp;
2541 sc = ifp->if_softc;
2542 rvap = (struct rt2870_softc_vap *) vap;
2543
2544 /* only associated stations */
2545
2546 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2547 {
2548 wcid = RT2870_AID2WCID(ni->ni_associd);
2549
2550 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2551 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2552 device_get_nameunit(sc->dev),
2553 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2554
2555 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2556
2557 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2558 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2559 device_get_nameunit(sc->dev),
2560 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2561 ni->ni_associd, ni->ni_txrate,
2562 (ni->ni_flags & IEEE80211_NODE_HT) ?
2563 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2564 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2565 }
2566 }
2567
2568 /*
2569 * rt2870_periodic
2570 */
2571 static void rt2870_periodic(void *arg)
2572 {
2573 struct rt2870_softc *sc;
2574 struct ifnet *ifp;
2575
2576 sc = arg;
2577 ifp = sc->ifp;
2578
2579 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2580 "%s: periodic\n",
2581 device_get_nameunit(sc->dev));
2582
2583 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2584 return;
2585
2586 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2587 }
2588
2589 /*
2590 * rt2870_tx_watchdog
2591 */
2592 static void rt2870_tx_watchdog(void *arg)
2593 {
2594 struct rt2870_softc *sc;
2595 struct ifnet *ifp;
2596
2597 sc = arg;
2598 ifp = sc->ifp;
2599
2600 if (sc->tx_timer == 0)
2601 return;
2602
2603 if (--sc->tx_timer == 0)
2604 {
2605 printf("%s: Tx watchdog timeout: resetting\n",
2606 device_get_nameunit(sc->dev));
2607
2608 rt2870_stop_locked(sc);
2609 rt2870_init_locked(sc);
2610
2611 ifp->if_oerrors++;
2612
2613 sc->tx_watchdog_timeouts++;
2614 }
2615
2616 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2617 }
2618
2619 /*
2620 * rt2870_do_async
2621 */
2622 static int rt2870_do_async(struct rt2870_softc *sc,
2623 void (*cb)(struct rt2870_softc *sc, void *arg),
2624 void *arg, int len)
2625 {
2626 struct ifnet *ifp;
2627 struct rt2870_softc_cmd_ring *ring;
2628 struct rt2870_softc_cmd *cmd;
2629 int run_cmd_task;
2630
2631 ifp = sc->ifp;
2632 ring = &sc->cmd_ring;
2633
2634 RT2870_SOFTC_LOCK(sc);
2635
2636 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2637 {
2638 RT2870_SOFTC_UNLOCK(sc);
2639 return -1;
2640 }
2641
2642 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2643 {
2644 RT2870_SOFTC_UNLOCK(sc);
2645 return -1;
2646 }
2647
2648 cmd = STAILQ_FIRST(&ring->inactive);
2649 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2650
2651 cmd->cb = cb;
2652
2653 if(arg != NULL)
2654 memcpy(cmd->data, arg, len);
2655
2656 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2657 ring->queued++;
2658
2659 run_cmd_task = (ring->queued == 1);
2660
2661 RT2870_SOFTC_UNLOCK(sc);
2662
2663 if (run_cmd_task)
2664 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2665
2666 return 0;
2667 }
2668
2669 /*
2670 * rt2870_updateslot_cb
2671 */
2672 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2673 {
2674 RT2870_SOFTC_LOCK(sc);
2675
2676 rt2870_asic_updateslot(sc);
2677
2678 RT2870_SOFTC_UNLOCK(sc);
2679 }
2680
2681 /*
2682 * rt2870_wme_update_cb
2683 */
2684 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2685 {
2686 RT2870_SOFTC_LOCK(sc);
2687
2688 rt2870_asic_wme_update(sc);
2689
2690 RT2870_SOFTC_UNLOCK(sc);
2691 }
2692
2693 /*
2694 * rt2870_vap_key_set_cb
2695 */
2696 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
2697 {
2698 struct ieee80211com *ic;
2699 struct ifnet *ifp;
2700 struct ieee80211vap *vap;
2701 struct ieee80211_key *k;
2702 struct rt2870_cmd_argv_keyset *cmd_argv;
2703 uint16_t associd, key_base, keymode_base;
2704 uint8_t mode, vapid, wcid, iv[8];
2705 uint32_t tmp;
2706
2707 ifp = sc->ifp;
2708 ic = ifp->if_l2com;
2709 vap = TAILQ_FIRST(&ic->ic_vaps);
2710 cmd_argv = arg;
2711 k = &cmd_argv->key;
2712 associd = cmd_argv->associd;
2713
2714 switch (k->wk_cipher->ic_cipher)
2715 {
2716 case IEEE80211_CIPHER_WEP:
2717 if(k->wk_keylen < 8)
2718 mode = RT2870_REG_CIPHER_MODE_WEP40;
2719 else
2720 mode = RT2870_REG_CIPHER_MODE_WEP104;
2721 break;
2722
2723 case IEEE80211_CIPHER_TKIP:
2724 mode = RT2870_REG_CIPHER_MODE_TKIP;
2725 break;
2726
2727 case IEEE80211_CIPHER_AES_CCM:
2728 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2729 break;
2730
2731 default:
2732 return;
2733 }
2734
2735 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2736 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2737 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2738 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2739
2740 RT2870_SOFTC_LOCK(sc);
2741
2742 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2743 {
2744 /* install pairwise key */
2745
2746 vapid = 0;
2747 wcid = RT2870_AID2WCID(associd);
2748 key_base = RT2870_REG_PKEY(wcid);
2749
2750 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2751 {
2752 memset(iv, 0, 8);
2753
2754 iv[3] = (k->wk_keyix << 6);
2755 }
2756 else
2757 {
2758 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2759 {
2760 iv[0] = (k->wk_keytsc >> 8);
2761 iv[1] = ((iv[0] | 0x20) & 0x7f);
2762 iv[2] = k->wk_keytsc;
2763 }
2764 else
2765 {
2766 /* AES CCMP */
2767
2768 iv[0] = k->wk_keytsc;
2769 iv[1] = k->wk_keytsc >> 8;
2770 iv[2] = 0;
2771 }
2772
2773 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2774 iv[4] = (k->wk_keytsc >> 16);
2775 iv[5] = (k->wk_keytsc >> 24);
2776 iv[6] = (k->wk_keytsc >> 32);
2777 iv[7] = (k->wk_keytsc >> 40);
2778
2779 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2780 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2781 device_get_nameunit(sc->dev),
2782 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2783 }
2784
2785 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2786
2787 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2788 {
2789 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2790
2791 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2792 {
2793 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2794 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2795 }
2796 else
2797 {
2798 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2799 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2800 }
2801 }
2802 else
2803 {
2804 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2805 }
2806
2807 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2808 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2809
2810 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2811 }
2812
2813 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2814 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2815 {
2816 /* install group key */
2817
2818 vapid = 0;
2819 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2820 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2821
2822 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2823 {
2824 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2825
2826 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2827 {
2828 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2829 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2830 }
2831 else
2832 {
2833 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2834 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2835 }
2836 }
2837 else
2838 {
2839 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2840 }
2841
2842 tmp = rt2870_io_mac_read(sc, keymode_base);
2843
2844 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2845 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2846
2847 rt2870_io_mac_write(sc, keymode_base, tmp);
2848 }
2849
2850 RT2870_SOFTC_UNLOCK(sc);
2851 }
2852
2853 /*
2854 * rt2870_vap_key_delete_cb
2855 */
2856 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2857 {
2858 struct ieee80211_key *k;
2859 struct rt2870_cmd_argv_keydelete *cmd_argv;
2860 uint16_t associd;
2861 uint8_t vapid, wcid;
2862 uint32_t tmp;
2863
2864 cmd_argv = arg;
2865 k = &cmd_argv->key;
2866 associd = cmd_argv->associd;
2867
2868 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2869 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2870 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2871 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2872
2873 RT2870_SOFTC_LOCK(sc);
2874
2875 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2876 {
2877 /* remove pairwise key */
2878
2879 vapid = 0;
2880 wcid = RT2870_AID2WCID(associd);
2881
2882 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2883 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2884
2885 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2886 }
2887 else
2888 {
2889 /* remove group key */
2890
2891 vapid = 0;
2892
2893 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2894
2895 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2896 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2897
2898 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2899 }
2900
2901 RT2870_SOFTC_UNLOCK(sc);
2902 }
2903
2904 /*
2905 * rt2870_vap_update_beacon_cb
2906 */
2907 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2908 {
2909 struct ifnet *ifp;
2910 struct ieee80211com *ic;
2911 struct ieee80211vap *vap;
2912
2913 ifp = sc->ifp;
2914 ic = ifp->if_l2com;
2915 vap = TAILQ_FIRST(&ic->ic_vaps);
2916
2917 if (vap == NULL)
2918 return;
2919
2920 RT2870_SOFTC_LOCK(sc);
2921
2922 rt2870_asic_update_beacon(sc, vap);
2923
2924 RT2870_SOFTC_UNLOCK(sc);
2925 }
2926
2927 /*
2928 * rt2870_asic_set_bssid
2929 */
2930 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2931 const uint8_t *bssid)
2932 {
2933 uint32_t tmp;
2934
2935 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2936 "%s: set bssid: bssid=%s\n",
2937 device_get_nameunit(sc->dev),
2938 ether_sprintf(bssid));
2939
2940 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2941
2942 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2943
2944 tmp = bssid[4] | (bssid[5] << 8);
2945
2946 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2947 }
2948
2949 /*
2950 * rt2870_asic_set_macaddr
2951 */
2952 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2953 const uint8_t *addr)
2954 {
2955 uint32_t tmp;
2956
2957 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2958
2959 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2960
2961 tmp = addr[4] | (addr[5] << 8);
2962
2963 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2964 }
2965
2966 /*
2967 * rt2870_asic_enable_tsf_sync
2968 */
2969 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2970 {
2971 struct ifnet *ifp;
2972 struct ieee80211com *ic;
2973 struct ieee80211vap *vap;
2974 uint32_t tmp;
2975
2976 ifp = sc->ifp;
2977 ic = ifp->if_l2com;
2978 vap = TAILQ_FIRST(&ic->ic_vaps);
2979
2980 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2981 "%s: enabling TSF\n",
2982 device_get_nameunit(sc->dev));
2983
2984 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2985
2986 tmp &= ~0x1fffff;
2987 tmp |= vap->iv_bss->ni_intval * 16;
2988 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2989
2990 if (vap->iv_opmode == IEEE80211_M_STA)
2991 {
2992 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2993 }
2994 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2995 {
2996 tmp |= RT2870_REG_BCN_TX_ENABLE;
2997 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2998 }
2999 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3000 {
3001 tmp |= RT2870_REG_BCN_TX_ENABLE;
3002 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3003 }
3004
3005 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3006 }
3007
3008 /*
3009 * rt2870_asic_disable_tsf_sync
3010 */
3011 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3012 {
3013 uint32_t tmp;
3014
3015 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3016 "%s: disabling TSF\n",
3017 device_get_nameunit(sc->dev));
3018
3019 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3020
3021 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3022 RT2870_REG_TSF_TIMER_ENABLE |
3023 RT2870_REG_TBTT_TIMER_ENABLE);
3024
3025 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3026 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3027
3028 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3029 }
3030
3031 /*
3032 * rt2870_asic_enable_mrr
3033 */
3034 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3035 {
3036 #define CCK(mcs) (mcs)
3037 #define OFDM(mcs) ((1 << 3) | (mcs))
3038 #define HT(mcs) (mcs)
3039
3040 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3041 (OFDM(6) << 28) | /* 54 -> 48 */
3042 (OFDM(5) << 24) | /* 48 -> 36 */
3043 (OFDM(4) << 20) | /* 36 -> 24 */
3044 (OFDM(3) << 16) | /* 24 -> 18 */
3045 (OFDM(2) << 12) | /* 18 -> 12 */
3046 (OFDM(1) << 8) | /* 12 -> 9 */
3047 (OFDM(0) << 4) | /* 9 -> 6 */
3048 OFDM(0)); /* 6 -> 6 */
3049
3050 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3051 (CCK(2) << 12) | /* 11 -> 5.5 */
3052 (CCK(1) << 8) | /* 5.5 -> 2 */
3053 (CCK(0) << 4) | /* 2 -> 1 */
3054 CCK(0)); /* 1 -> 1 */
3055
3056 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3057 (HT(6) << 28) |
3058 (HT(5) << 24) |
3059 (HT(4) << 20) |
3060 (HT(3) << 16) |
3061 (HT(2) << 12) |
3062 (HT(1) << 8) |
3063 (HT(0) << 4) |
3064 HT(0));
3065
3066 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3067 (HT(14) << 28) |
3068 (HT(13) << 24) |
3069 (HT(12) << 20) |
3070 (HT(11) << 16) |
3071 (HT(10) << 12) |
3072 (HT(9) << 8) |
3073 (HT(8) << 4) |
3074 HT(7));
3075
3076 #undef HT
3077 #undef OFDM
3078 #undef CCK
3079 }
3080
3081 /*
3082 * rt2870_asic_set_txpreamble
3083 */
3084 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3085 {
3086 struct ifnet *ifp;
3087 struct ieee80211com *ic;
3088 uint32_t tmp;
3089
3090 ifp = sc->ifp;
3091 ic = ifp->if_l2com;
3092
3093 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3094 "%s: %s short Tx preamble\n",
3095 device_get_nameunit(sc->dev),
3096 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3097
3098 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3099
3100 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3101
3102 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3103 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3104
3105 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3106 }
3107
3108 /*
3109 * rt2870_asic_set_basicrates
3110 */
3111 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3112 {
3113 struct ifnet *ifp;
3114 struct ieee80211com *ic;
3115
3116 ifp = sc->ifp;
3117 ic = ifp->if_l2com;
3118
3119 if (ic->ic_curmode == IEEE80211_MODE_11B)
3120 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3121 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3122 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3123 else
3124 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3125 }
3126
3127 /*
3128 * rt2870_asic_update_rtsthreshold
3129 */
3130 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3131 {
3132 struct ifnet *ifp;
3133 struct ieee80211com *ic;
3134 struct ieee80211vap *vap;
3135 uint32_t tmp;
3136 uint16_t threshold;
3137
3138 ifp = sc->ifp;
3139 ic = ifp->if_l2com;
3140 vap = TAILQ_FIRST(&ic->ic_vaps);
3141
3142 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3143 "%s: updating RTS threshold: %d\n",
3144 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3145
3146 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3147
3148 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3149
3150 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3151 threshold = 0x1000;
3152 else
3153 threshold = vap->iv_rtsthreshold;
3154
3155 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3156 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3157
3158 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3159 }
3160
3161 /*
3162 * rt2870_asic_update_txpower
3163 */
3164 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3165 {
3166 struct ifnet *ifp;
3167 struct ieee80211com *ic;
3168 uint32_t *txpow_rate;
3169 int8_t delta;
3170 uint8_t val;
3171 uint32_t tmp;
3172 int i;
3173
3174 ifp = sc->ifp;
3175 ic = ifp->if_l2com;
3176
3177 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3178 "%s: updating Tx power: %d\n",
3179 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3180
3181 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3182 {
3183 txpow_rate = sc->txpow_rate_20mhz;
3184 }
3185 else
3186 {
3187 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3188 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3189 else
3190 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3191 }
3192
3193 delta = 0;
3194
3195 val = rt2870_io_bbp_read(sc, 1);
3196 val &= 0xfc;
3197
3198 if (ic->ic_txpowlimit > 90)
3199 {
3200 /* do nothing */
3201 }
3202 else if (ic->ic_txpowlimit > 60)
3203 {
3204 delta -= 1;
3205 }
3206 else if (ic->ic_txpowlimit > 30)
3207 {
3208 delta -= 3;
3209 }
3210 else if (ic->ic_txpowlimit > 15)
3211 {
3212 val |= 0x1;
3213 }
3214 else if (ic->ic_txpowlimit > 9)
3215 {
3216 val |= 0x1;
3217 delta -= 3;
3218 }
3219 else
3220 {
3221 val |= 0x2;
3222 }
3223
3224 rt2870_io_bbp_write(sc, 1, val);
3225
3226 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3227 {
3228 if (txpow_rate[i] == 0xffffffff)
3229 continue;
3230
3231 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3232
3233 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3234 }
3235 }
3236
3237 /*
3238 * rt2870_asic_update_promisc
3239 */
3240 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3241 {
3242 struct ifnet *ifp;
3243 uint32_t tmp;
3244
3245 ifp = sc->ifp;
3246
3247 printf("%s: %s promiscuous mode\n",
3248 device_get_nameunit(sc->dev),
3249 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3250
3251 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3252
3253 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3254
3255 if (!(ifp->if_flags & IFF_PROMISC))
3256 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3257
3258 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3259 }
3260
3261 /*
3262 * rt2870_asic_updateprot
3263 */
3264 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3265 {
3266 struct ifnet *ifp;
3267 struct ieee80211com *ic;
3268 struct ieee80211vap *vap;
3269 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3270 uint8_t htopmode;
3271 enum ieee80211_protmode htprotmode;
3272
3273 ifp = sc->ifp;
3274 ic = ifp->if_l2com;
3275 vap = TAILQ_FIRST(&ic->ic_vaps);
3276
3277 /* CCK frame protection */
3278
3279 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3280 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3281
3282 /* set up protection frame phy mode and rate (MCS code) */
3283
3284 if (ic->ic_curmode == IEEE80211_MODE_11A)
3285 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3286 (0 << RT2870_REG_PROT_MCS_SHIFT);
3287 else
3288 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3289 (3 << RT2870_REG_PROT_MCS_SHIFT));
3290
3291 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3292
3293 /* OFDM frame protection */
3294
3295 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3296 RT2870_REG_TXOP_ALLOW_ALL;
3297
3298 if (ic->ic_flags & IEEE80211_F_USEPROT)
3299 {
3300 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3301 "%s: updating protection mode: b/g protection mode=%s\n",
3302 device_get_nameunit(sc->dev),
3303 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3304 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3305
3306 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3307 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3308 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3309 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3310 else
3311 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3312 }
3313 else
3314 {
3315 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3316 "%s: updating protection mode: b/g protection mode=%s\n",
3317 device_get_nameunit(sc->dev), "none");
3318
3319 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3320 }
3321
3322 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3323
3324 /* HT frame protection */
3325
3326 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3327 htopmode = vap->iv_bss->ni_htopmode;
3328 else
3329 htopmode = ic->ic_curhtprotmode;
3330
3331 htprotmode = ic->ic_htprotmode;
3332
3333 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3334
3335 if (sc->tx_ampdu_sessions > 0)
3336 {
3337 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3338 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3339 device_get_nameunit(sc->dev));
3340
3341 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3342 htprotmode = IEEE80211_PROT_RTSCTS;
3343 }
3344
3345 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3346 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3347 device_get_nameunit(sc->dev),
3348 htopmode & IEEE80211_HTINFO_OPMODE,
3349 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3350 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3351
3352 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3353 {
3354 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3355 case IEEE80211_HTINFO_OPMODE_HT20PR:
3356 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3357 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3358 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3359 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3360 (4 << RT2870_REG_PROT_MCS_SHIFT);
3361
3362 gf20_prot = mm20_prot;
3363
3364 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3365 RT2870_REG_TXOP_ALLOW_ALL |
3366 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3367 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3368
3369 if (htprotmode == IEEE80211_PROT_RTSCTS)
3370 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3371 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3372 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3373 else
3374 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3375
3376 gf40_prot = mm40_prot;
3377 break;
3378
3379 /* IEEE80211_HTINFO_OPMODE_MIXED */
3380 case IEEE80211_HTINFO_OPMODE_MIXED:
3381 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3382 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3383 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3384
3385 if (ic->ic_flags & IEEE80211_F_USEPROT)
3386 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3387 (3 << RT2870_REG_PROT_MCS_SHIFT);
3388 else
3389 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3390 (4 << RT2870_REG_PROT_MCS_SHIFT);
3391
3392 if (htprotmode == IEEE80211_PROT_RTSCTS)
3393 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3394 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3395 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3396 else
3397 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3398
3399 gf20_prot = mm20_prot;
3400
3401 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3402
3403 if (ic->ic_flags & IEEE80211_F_USEPROT)
3404 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3405 (3 << RT2870_REG_PROT_MCS_SHIFT);
3406 else
3407 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3408 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3409
3410 if (htprotmode == IEEE80211_PROT_RTSCTS)
3411 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3412 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3413 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3414 else
3415 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3416
3417 gf40_prot = mm40_prot;
3418 break;
3419
3420 /*
3421 * IEEE80211_HTINFO_OPMODE_PURE
3422 * IEEE80211_HTINFO_OPMODE_PROTOPT
3423 */
3424 case IEEE80211_HTINFO_OPMODE_PURE:
3425 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3426 default:
3427 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3428 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3429 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3430 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3431 (4 << RT2870_REG_PROT_MCS_SHIFT);
3432
3433 gf20_prot = mm20_prot;
3434
3435 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3436 RT2870_REG_TXOP_ALLOW_ALL |
3437 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3438 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3439
3440 gf40_prot = mm40_prot;
3441 break;
3442 }
3443
3444 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3445 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3446 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3447 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3448 }
3449
3450 /*
3451 * rt2870_asic_updateslot
3452 */
3453 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3454 {
3455 struct ifnet *ifp;
3456 struct ieee80211com *ic;
3457 uint32_t tmp;
3458
3459 ifp = sc->ifp;
3460 ic = ifp->if_l2com;
3461
3462 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3463 "%s: %s short slot time\n",
3464 device_get_nameunit(sc->dev),
3465 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3466
3467 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3468
3469 tmp &= ~0xff;
3470 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3471
3472 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3473 }
3474
3475 /*
3476 * rt2870_asic_wme_update
3477 */
3478 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3479 {
3480 struct ifnet *ifp;
3481 struct ieee80211com *ic;
3482 struct ieee80211_wme_state *wme;
3483 const struct wmeParams *wmep;
3484 int i;
3485
3486 ifp = sc->ifp;
3487 ic = ifp->if_l2com;
3488 wme = &ic->ic_wme;
3489 wmep = wme->wme_chanParams.cap_wmeParams;
3490
3491 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3492 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3493 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3494 device_get_nameunit(sc->dev),
3495 wmep[WME_AC_VO].wmep_aifsn,
3496 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3497 wmep[WME_AC_VO].wmep_txopLimit,
3498 wmep[WME_AC_VI].wmep_aifsn,
3499 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3500 wmep[WME_AC_VI].wmep_txopLimit,
3501 wmep[WME_AC_BK].wmep_aifsn,
3502 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3503 wmep[WME_AC_BK].wmep_txopLimit,
3504 wmep[WME_AC_BE].wmep_aifsn,
3505 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3506 wmep[WME_AC_BE].wmep_txopLimit);
3507
3508 for (i = 0; i < WME_NUM_AC; i++)
3509 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3510 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3511 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3512
3513 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3514 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3515 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3516
3517 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3518 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3519 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3520
3521 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3522 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3523 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3524
3525 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3526 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3527
3528 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3529 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3530 }
3531
3532 /*
3533 * rt2870_asic_update_beacon
3534 */
3535 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
3536 struct ieee80211vap *vap)
3537 {
3538 struct ifnet *ifp;
3539 struct ieee80211com *ic;
3540 struct rt2870_softc_vap *rvap;
3541 const struct ieee80211_txparam *tp;
3542 struct mbuf *m;
3543 struct rt2870_txwi txwi;
3544 uint8_t rate, mcs;
3545 uint32_t tmp;
3546
3547 ifp = sc->ifp;
3548 ic = ifp->if_l2com;
3549 rvap = (struct rt2870_softc_vap *) vap;
3550 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3551
3552 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3553 if (m == NULL)
3554 return ENOMEM;
3555
3556 rate = tp->mgmtrate;
3557 mcs = rt2870_rate2mcs(rate);
3558
3559 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3560
3561 txwi.wcid = 0xff;
3562 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3563 RT2870_TXWI_MPDU_LEN_SHIFT);
3564 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3565 txwi.mpdu_density_flags |=
3566 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3567 txwi.bawin_size_xflags |=
3568 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3569
3570 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3571 {
3572 txwi.phymode_ifs_stbc_shortgi =
3573 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3574
3575 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3576 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3577 }
3578 else
3579 {
3580 txwi.phymode_ifs_stbc_shortgi =
3581 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3582 }
3583
3584 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3585 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3586
3587 /* disable temporarily TSF sync */
3588
3589 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3590
3591 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3592 RT2870_REG_TSF_TIMER_ENABLE |
3593 RT2870_REG_TBTT_TIMER_ENABLE);
3594
3595 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3596
3597 /* write Tx wireless info and beacon frame to on-chip memory */
3598
3599 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3600 &txwi, sizeof(struct rt2870_txwi));
3601
3602 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3603 mtod(m, uint8_t *), m->m_pkthdr.len);
3604
3605 /* enable again TSF sync */
3606
3607 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3608
3609 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3610 RT2870_REG_TSF_TIMER_ENABLE |
3611 RT2870_REG_TBTT_TIMER_ENABLE);
3612
3613 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3614
3615 m_freem(m);
3616
3617 return 0;
3618 }
3619
3620 /*
3621 * rt2870_asic_clear_keytables
3622 */
3623 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3624 {
3625 int i;
3626
3627 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3628
3629 for (i = 0; i < 256; i++)
3630 {
3631 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3632 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3633 }
3634
3635 /* clear WCID attribute table (entries = 256, entry size = 4) */
3636
3637 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3638
3639 /* clear IV/EIV table (entries = 256, entry size = 8) */
3640
3641 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3642
3643 /* clear pairwise key table (entries = 256, entry size = 32) */
3644
3645 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3646
3647 /* clear shared key table (entries = 32, entry size = 32) */
3648
3649 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3650
3651 /* clear shared key mode (entries = 32, entry size = 2) */
3652
3653 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3654 }
3655
3656 /*
3657 * rt2870_rxrate
3658 */
3659 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3660 {
3661 uint8_t mcs, phymode;
3662 uint8_t rate;
3663
3664 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3665 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3666 RT2870_RXWI_PHYMODE_MASK;
3667
3668 rate = 2;
3669
3670 switch (phymode)
3671 {
3672 case RT2870_RXWI_PHYMODE_CCK:
3673 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3674 {
3675 case 0: rate = 2; break; /* 1 Mbps */
3676 case 1: rate = 4; break; /* 2 MBps */
3677 case 2: rate = 11; break; /* 5.5 Mbps */
3678 case 3: rate = 22; break; /* 11 Mbps */
3679 }
3680 break;
3681
3682 case RT2870_RXWI_PHYMODE_OFDM:
3683 switch (mcs)
3684 {
3685 case 0: rate = 12; break; /* 6 Mbps */
3686 case 1: rate = 18; break; /* 9 Mbps */
3687 case 2: rate = 24; break; /* 12 Mbps */
3688 case 3: rate = 36; break; /* 18 Mbps */
3689 case 4: rate = 48; break; /* 24 Mbps */
3690 case 5: rate = 72; break; /* 36 Mbps */
3691 case 6: rate = 96; break; /* 48 Mbps */
3692 case 7: rate = 108; break; /* 54 Mbps */
3693 }
3694 break;
3695
3696 case RT2870_RXWI_PHYMODE_HT_MIXED:
3697 case RT2870_RXWI_PHYMODE_HT_GF:
3698 break;
3699 }
3700
3701 return rate;
3702 }
3703
3704 /*
3705 * rt2870_maxrssi_rxpath
3706 */
3707 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3708 const struct rt2870_rxwi *rxwi)
3709 {
3710 uint8_t rxpath;
3711
3712 rxpath = 0;
3713
3714 if (sc->nrxpath > 1)
3715 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3716 rxpath = 1;
3717
3718 if (sc->nrxpath > 2)
3719 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3720 rxpath = 2;
3721
3722 return rxpath;
3723 }
3724
3725 /*
3726 * rt2870_rssi2dbm
3727 */
3728 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3729 uint8_t rssi, uint8_t rxpath)
3730 {
3731 struct ifnet *ifp;
3732 struct ieee80211com *ic;
3733 struct ieee80211_channel *c;
3734 int chan;
3735 int8_t rssi_off, lna_gain;
3736
3737 if (rssi == 0)
3738 return -99;
3739
3740 ifp = sc->ifp;
3741 ic = ifp->if_l2com;
3742 c = ic->ic_curchan;
3743 chan = ieee80211_chan2ieee(ic, c);
3744
3745 if (IEEE80211_IS_CHAN_5GHZ(c))
3746 {
3747 rssi_off = sc->rssi_off_5ghz[rxpath];
3748
3749 if (chan <= 64)
3750 lna_gain = sc->lna_gain[1];
3751 else if (chan <= 128)
3752 lna_gain = sc->lna_gain[2];
3753 else
3754 lna_gain = sc->lna_gain[3];
3755 }
3756 else
3757 {
3758 rssi_off = sc->rssi_off_2ghz[rxpath];
3759 lna_gain = sc->lna_gain[0];
3760 }
3761
3762 return (-12 - rssi_off - lna_gain - rssi);
3763 }
3764
3765 /*
3766 * rt2870_rate2mcs
3767 */
3768 static uint8_t rt2870_rate2mcs(uint8_t rate)
3769 {
3770 switch (rate)
3771 {
3772 /* CCK rates */
3773 case 2: return 0;
3774 case 4: return 1;
3775 case 11: return 2;
3776 case 22: return 3;
3777
3778 /* OFDM rates */
3779 case 12: return 0;
3780 case 18: return 1;
3781 case 24: return 2;
3782 case 36: return 3;
3783 case 48: return 4;
3784 case 72: return 5;
3785 case 96: return 6;
3786 case 108: return 7;
3787 }
3788
3789 return 0;
3790 }
3791
3792 /*
3793 * rt2870_rx_frame
3794 */
3795 static void rt2870_rx_frame(struct rt2870_softc *sc,
3796 uint8_t *buf, uint32_t dmalen)
3797 {
3798 struct ifnet *ifp;
3799 struct ieee80211com *ic;
3800 struct ieee80211_frame *wh;
3801 struct ieee80211_node *ni;
3802 struct rt2870_softc_node *rni;
3803 struct rt2870_softc_rx_radiotap_header *tap;
3804 struct rt2870_rxwi *rxwi;
3805 struct rt2870_rxinfo *rxinfo;
3806 struct mbuf *m;
3807 uint32_t rxinfo_flags;
3808 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3809 int8_t rssi_dbm;
3810 int len, ampdu, amsdu, rssi_dbm_rel, i;
3811
3812 ifp = sc->ifp;
3813 ic = ifp->if_l2com;
3814
3815 /* get Rx wireless info */
3816
3817 rxwi = (struct rt2870_rxwi *) buf;
3818 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3819 RT2870_RXWI_SIZE_MASK;
3820
3821 if (len > dmalen)
3822 {
3823 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3824 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3825 device_get_nameunit(sc->dev), dmalen, len);
3826 return;
3827 }
3828
3829 /* get Rx info */
3830
3831 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3832 rxinfo_flags = le32toh(rxinfo->flags);
3833
3834 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3835 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3836 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3837
3838 /* check for crc errors */
3839
3840 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3841 {
3842 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3843 "%s: rxinfo: crc error\n",
3844 device_get_nameunit(sc->dev));
3845
3846 ifp->if_ierrors++;
3847
3848 if (!(ifp->if_flags & IFF_PROMISC))
3849 return;
3850 }
3851
3852 wh = (struct ieee80211_frame *) (rxwi + 1);
3853
3854 /* check for L2 padding between IEEE 802.11 frame header and body */
3855
3856 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3857 {
3858 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3859 "%s: L2 padding: DMA len=%d, len=%d\n",
3860 device_get_nameunit(sc->dev), dmalen, len);
3861
3862 len += 2;
3863 }
3864
3865 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3866 if (m == NULL)
3867 {
3868 sc->rx_mbuf_alloc_errors++;
3869 ifp->if_ierrors++;
3870 return;
3871 }
3872
3873 m->m_pkthdr.rcvif = ifp;
3874 m->m_pkthdr.len = m->m_len = len;
3875
3876 m_copyback(m, 0, len, (caddr_t) wh);
3877
3878 wh = mtod(m, struct ieee80211_frame *);
3879
3880 /* check for cipher errors */
3881
3882 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3883 {
3884 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3885 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3886 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3887 {
3888 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3889 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3890
3891 m->m_flags |= M_WEP;
3892 }
3893 else
3894 {
3895 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3896 "%s: rxinfo: cipher error=0x%02x\n",
3897 device_get_nameunit(sc->dev), cipher_err);
3898
3899 ifp->if_ierrors++;
3900
3901 if (!(ifp->if_flags & IFF_PROMISC))
3902 {
3903 m_free(m);
3904 return;
3905 }
3906 }
3907 }
3908 else
3909 {
3910 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3911 {
3912 ifp->if_ierrors++;
3913
3914 if (!(ifp->if_flags & IFF_PROMISC))
3915 {
3916 m_free(m);
3917 return;
3918 }
3919 }
3920 }
3921
3922 /* check for A-MPDU */
3923
3924 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3925 {
3926 m->m_flags |= M_AMPDU;
3927
3928 sc->rx_ampdu++;
3929
3930 ampdu = 1;
3931 }
3932 else
3933 {
3934 ampdu = 0;
3935 }
3936
3937 /* check for A-MSDU */
3938
3939 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3940 {
3941 sc->rx_amsdu++;
3942
3943 amsdu = 1;
3944 }
3945 else
3946 {
3947 amsdu = 0;
3948 }
3949
3950 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3951 rssi = rxwi->rssi[ant];
3952 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3953 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3954 RT2870_RXWI_PHYMODE_MASK);
3955 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3956 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3957 RT2870_RXWI_SHORTGI_MASK);
3958 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3959
3960 if (ieee80211_radiotap_active(ic))
3961 {
3962 tap = &sc->rxtap;
3963
3964 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
3965 tap->dbm_antsignal = rssi_dbm;
3966 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3967 tap->antenna = ant;
3968 tap->antsignal = rssi;
3969 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3970 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3971 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3972 tap->chan_maxpow = 0;
3973
3974 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3975 tap->rate = rt2870_rxrate(rxwi);
3976 else
3977 tap->rate = mcs | IEEE80211_RATE_MCS;
3978
3979 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3980 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3981
3982 if (shortgi)
3983 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3984 }
3985
3986 /*
3987 * net80211 assumes that RSSI data are in the range [-127..127] and
3988 * in .5 dBm units relative to the current noise floor
3989 */
3990
3991 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
3992 if (rssi_dbm_rel > 127)
3993 rssi_dbm_rel = 127;
3994
3995 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3996 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3997 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
3998 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
3999 device_get_nameunit(sc->dev),
4000 len, phymode, bw, shortgi, mcs,
4001 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4002 rxwi->snr[0], rxwi->snr[1],
4003 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
4004
4005 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4006 if (ni != NULL)
4007 {
4008 rni = (struct rt2870_softc_node *) ni;
4009
4010 for (i = 0; i < RT2870_SOFTC_RSSI_DBM_COUNT; i++)
4011 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4012
4013 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4014 ieee80211_free_node(ni);
4015 }
4016 else
4017 {
4018 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4019 }
4020 }
4021
4022 /*
4023 * rt2870_tx_mgmt
4024 */
4025 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4026 struct mbuf *m, struct ieee80211_node *ni, int qid)
4027 {
4028 struct ifnet *ifp;
4029 struct ieee80211com *ic;
4030 struct ieee80211vap *vap;
4031 const struct ieee80211_txparam *tp;
4032 struct rt2870_softc_node *rni;
4033 struct rt2870_softc_tx_ring *ring;
4034 struct rt2870_softc_tx_data *data;
4035 struct rt2870_txinfo *txinfo;
4036 struct rt2870_txwi *txwi;
4037 struct ieee80211_frame *wh;
4038 struct rt2870_softc_tx_radiotap_header *tap;
4039 u_int hdrsize, hdrspace;
4040 uint8_t rate, stbc, shortgi, mcs, pid;
4041 uint16_t len, dmalen, mpdu_len, dur;
4042
4043 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4044 ("%s: Tx MGMT: invalid qid=%d\n",
4045 device_get_nameunit(sc->dev), qid));
4046
4047 ifp = sc->ifp;
4048 ic = ifp->if_l2com;
4049 vap = ni->ni_vap;
4050 rni = (struct rt2870_softc_node *) ni;
4051 tp = ni->ni_txparms;
4052
4053 ring = &sc->tx_ring[qid];
4054 data = STAILQ_FIRST(&ring->inactive);
4055 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4056 txinfo = (struct rt2870_txinfo *) data->buf;
4057 txwi = (struct rt2870_txwi *) (txinfo + 1);
4058
4059 wh = mtod(m, struct ieee80211_frame *);
4060
4061 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4062
4063 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4064
4065 /* align end on a 4-bytes boundary */
4066
4067 dmalen = (len + 3) & ~3;
4068
4069 /* fill Tx info */
4070
4071 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4072
4073 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4074
4075 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4076
4077 dmalen += 4;
4078
4079 memset((caddr_t) txinfo + len, 0, dmalen - len);
4080
4081 /* fill Tx wireless info */
4082
4083 if (ni->ni_flags & IEEE80211_NODE_HT)
4084 mcs = rate;
4085 else
4086 mcs = rt2870_rate2mcs(rate);
4087
4088 pid = mcs;
4089
4090 /* calculate MPDU length without padding */
4091
4092 hdrsize = ieee80211_hdrsize(wh);
4093 hdrspace = ieee80211_hdrspace(ic, wh);
4094 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4095
4096 memset(txwi, 0, sizeof(struct rt2870_txwi));
4097
4098 /* management frames do not need encryption */
4099
4100 txwi->wcid = 0xff;
4101
4102 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4103 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4104 RT2870_TXWI_MPDU_LEN_SHIFT);
4105
4106 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4107
4108 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4109 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4110
4111 txwi->phymode_ifs_stbc_shortgi |=
4112 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4113 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4114
4115 txwi->phymode_ifs_stbc_shortgi |=
4116 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4117
4118 if (ni->ni_flags & IEEE80211_NODE_HT)
4119 {
4120 txwi->phymode_ifs_stbc_shortgi |=
4121 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4122 }
4123 else
4124 {
4125 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4126 {
4127 txwi->phymode_ifs_stbc_shortgi |=
4128 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4129
4130 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4131 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4132 }
4133 else
4134 {
4135 txwi->phymode_ifs_stbc_shortgi |=
4136 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4137 }
4138 }
4139
4140 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4141 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4142
4143 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4144
4145 /* skip ACKs for multicast frames and probe responses */
4146
4147 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4148 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4149 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
4150 {
4151 txwi->bawin_size_xflags |=
4152 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4153
4154 if (ni->ni_flags & IEEE80211_NODE_HT)
4155 {
4156 /* preamble + plcp + signal extension + SIFS */
4157
4158 dur = 16 + 4 + 6 + 10;
4159 }
4160 else
4161 {
4162 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4163 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4164 }
4165
4166 *(uint16_t *) wh->i_dur = htole16(dur);
4167 }
4168
4169 /* ask MAC to insert timestamp into probe responses */
4170
4171 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4172 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4173 txwi->mpdu_density_flags |=
4174 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4175
4176 if (ieee80211_radiotap_active_vap(vap))
4177 {
4178 tap = &sc->txtap;
4179
4180 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4181 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4182 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4183 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4184 tap->chan_maxpow = 0;
4185
4186 if (ni->ni_flags & IEEE80211_NODE_HT)
4187 tap->rate = mcs | IEEE80211_RATE_MCS;
4188 else
4189 tap->rate = rate;
4190
4191 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4192 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4193
4194 if (shortgi)
4195 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4196
4197 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4198 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4199
4200 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4201 {
4202 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4203
4204 ieee80211_radiotap_tx(vap, m);
4205
4206 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4207 }
4208 else
4209 {
4210 ieee80211_radiotap_tx(vap, m);
4211 }
4212 }
4213
4214 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4215
4216 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4217 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4218 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d\n",
4219 device_get_nameunit(sc->dev),
4220 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, dmalen);
4221
4222 data->len = dmalen;
4223 data->m = m;
4224 data->ni = ni;
4225
4226 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4227 ring->queued++;
4228
4229 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4230
4231 return 0;
4232 }
4233
4234 /*
4235 * rt2870_tx_data
4236 */
4237 static int rt2870_tx_data(struct rt2870_softc *sc,
4238 struct mbuf *m, struct ieee80211_node *ni, int qid)
4239 {
4240 struct ifnet *ifp;
4241 struct ieee80211com *ic;
4242 struct ieee80211vap *vap;
4243 const struct ieee80211_txparam *tp;
4244 struct rt2870_softc_node *rni;
4245 struct rt2870_softc_tx_ring *ring;
4246 struct rt2870_softc_tx_data *data;
4247 struct rt2870_txinfo *txinfo;
4248 struct rt2870_txwi *txwi;
4249 struct ieee80211_frame *wh;
4250 struct ieee80211_tx_ampdu *tx_ampdu;
4251 ieee80211_seq seqno;
4252 struct rt2870_softc_tx_radiotap_header *tap;
4253 u_int hdrsize, hdrspace;
4254 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4255 uint16_t qos, len, dmalen, mpdu_len, dur;
4256 int hasqos, ac, tid, ampdu;
4257
4258 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4259 ("%s: Tx data: invalid qid=%d\n",
4260 device_get_nameunit(sc->dev), qid));
4261
4262 ifp = sc->ifp;
4263 ic = ifp->if_l2com;
4264 vap = ni->ni_vap;
4265 rni = (struct rt2870_softc_node *) ni;
4266 tp = ni->ni_txparms;
4267
4268 ring = &sc->tx_ring[qid];
4269 data = STAILQ_FIRST(&ring->inactive);
4270 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4271 txinfo = (struct rt2870_txinfo *) data->buf;
4272 txwi = (struct rt2870_txwi *) (txinfo + 1);
4273
4274 wh = mtod(m, struct ieee80211_frame *);
4275
4276 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4277
4278 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4279 if (hasqos)
4280 {
4281 if (IEEE80211_HAS_ADDR4(wh))
4282 qos = le16toh(*(const uint16_t *)
4283 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4284 else
4285 qos = le16toh(*(const uint16_t *)
4286 (((struct ieee80211_qosframe *) wh)->i_qos));
4287 }
4288 else
4289 {
4290 qos = 0;
4291 }
4292
4293 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4294 rate = tp->mcastrate;
4295 else if (m->m_flags & M_EAPOL)
4296 rate = tp->mgmtrate;
4297 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4298 rate = tp->ucastrate;
4299 else
4300 rate = ni->ni_txrate;
4301
4302 rate &= IEEE80211_RATE_VAL;
4303
4304 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4305
4306 /* align end on a 4-bytes boundary */
4307
4308 dmalen = (len + 3) & ~3;
4309
4310 /* fill Tx info */
4311
4312 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4313
4314 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4315
4316 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4317
4318 dmalen += 4;
4319
4320 memset((caddr_t) txinfo + len, 0, dmalen - len);
4321
4322 /* fill Tx wireless info */
4323
4324 if (ni->ni_flags & IEEE80211_NODE_HT)
4325 mcs = rate;
4326 else
4327 mcs = rt2870_rate2mcs(rate);
4328
4329 pid = mcs;
4330
4331 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4332 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4333
4334 /* calculate MPDU length without padding */
4335
4336 hdrsize = ieee80211_hdrsize(wh);
4337 hdrspace = ieee80211_hdrspace(ic, wh);
4338 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4339
4340 memset(txwi, 0, sizeof(struct rt2870_txwi));
4341
4342 txwi->wcid = wcid;
4343
4344 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4345 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4346 RT2870_TXWI_MPDU_LEN_SHIFT);
4347
4348 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4349
4350 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4351 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4352
4353 txwi->phymode_ifs_stbc_shortgi |=
4354 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4355 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4356
4357 if (ni->ni_flags & IEEE80211_NODE_HT)
4358 {
4359 txwi->phymode_ifs_stbc_shortgi |=
4360 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4361 }
4362 else
4363 {
4364 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4365 {
4366 txwi->phymode_ifs_stbc_shortgi |=
4367 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4368
4369 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4370 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4371 }
4372 else
4373 {
4374 txwi->phymode_ifs_stbc_shortgi |=
4375 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4376 }
4377 }
4378
4379 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4380 bw = RT2870_TXWI_BW_40;
4381 else
4382 bw = RT2870_TXWI_BW_20;
4383
4384 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4385 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4386
4387 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4388
4389 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4390 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4391 {
4392 txwi->bawin_size_xflags |=
4393 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4394
4395 if (ni->ni_flags & IEEE80211_NODE_HT)
4396 {
4397 /* preamble + plcp + signal extension + SIFS */
4398
4399 dur = 16 + 4 + 6 + 10;
4400 }
4401 else
4402 {
4403 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4404 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4405 }
4406
4407 *(uint16_t *) wh->i_dur = htole16(dur);
4408 }
4409
4410 /* check fo A-MPDU */
4411
4412 if (m->m_flags & M_AMPDU_MPDU)
4413 {
4414 ac = M_WME_GETAC(m);
4415 tid = WME_AC_TO_TID(ac);
4416 tx_ampdu = &ni->ni_tx_ampdu[ac];
4417
4418 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4419 bawin_size = tx_ampdu->txa_wnd;
4420
4421 txwi->mpdu_density_flags |=
4422 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4423 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4424
4425 txwi->bawin_size_xflags |=
4426 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4427
4428 seqno = ni->ni_txseqs[tid]++;
4429
4430 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4431
4432 ampdu = 1;
4433 }
4434 else
4435 {
4436 ampdu = 0;
4437 }
4438
4439 /* ask MAC to insert timestamp into probe responses */
4440
4441 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4442 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4443 txwi->mpdu_density_flags |=
4444 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4445
4446 if (ieee80211_radiotap_active_vap(vap))
4447 {
4448 tap = &sc->txtap;
4449
4450 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4451 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4452 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4453 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4454 tap->chan_maxpow = 0;
4455
4456 if (ni->ni_flags & IEEE80211_NODE_HT)
4457 tap->rate = mcs | IEEE80211_RATE_MCS;
4458 else
4459 tap->rate = rate;
4460
4461 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4462 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4463
4464 if (shortgi)
4465 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4466
4467 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4468 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4469
4470 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4471 {
4472 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4473
4474 ieee80211_radiotap_tx(vap, m);
4475
4476 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4477 }
4478 else
4479 {
4480 ieee80211_radiotap_tx(vap, m);
4481 }
4482 }
4483
4484 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4485
4486 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4487 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4488 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d\n",
4489 device_get_nameunit(sc->dev),
4490 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4491 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen);
4492
4493 data->len = dmalen;
4494 data->m = m;
4495 data->ni = ni;
4496
4497 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4498 ring->queued++;
4499
4500 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4501
4502 return 0;
4503 }
4504
4505 /*
4506 * rt2870_tx_raw
4507 */
4508 static int rt2870_tx_raw(struct rt2870_softc *sc,
4509 struct mbuf *m, struct ieee80211_node *ni,
4510 const struct ieee80211_bpf_params *params)
4511 {
4512 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4513 "%s: Tx raw\n",
4514 device_get_nameunit(sc->dev));
4515
4516 return 0;
4517 }
4518
4519 /*
4520 * rt2870_rx_intr
4521 */
4522 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4523 {
4524 struct rt2870_softc *sc;
4525 struct ifnet *ifp;
4526 struct rt2870_softc_rx_ring *ring;
4527 struct rt2870_softc_rx_data *data;
4528 int len;
4529
4530 sc = usbd_xfer_softc(xfer);
4531 ifp = sc->ifp;
4532 ring = &sc->rx_ring;
4533
4534 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4535 "%s: Rx interrupt: state=%d, error=%s\n",
4536 device_get_nameunit(sc->dev),
4537 USB_GET_STATE(xfer), usbd_errstr(error));
4538
4539 switch (USB_GET_STATE(xfer))
4540 {
4541 case USB_ST_TRANSFERRED:
4542 sc->interrupts++;
4543 sc->rx_interrupts++;
4544
4545 data = STAILQ_FIRST(&ring->active);
4546 if (data == NULL)
4547 goto setup;
4548
4549 STAILQ_REMOVE_HEAD(&ring->active, next);
4550
4551 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4552
4553 data->len = len;
4554
4555 STAILQ_INSERT_TAIL(&ring->done, data, next);
4556
4557 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4558
4559 /* FALLTHROUGH */
4560
4561 setup:
4562
4563 case USB_ST_SETUP:
4564 data = STAILQ_FIRST(&ring->inactive);
4565 if (data == NULL)
4566 break;
4567
4568 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4569
4570 STAILQ_INSERT_TAIL(&ring->active, data, next);
4571
4572 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4573 usbd_transfer_submit(xfer);
4574 break;
4575
4576 default:
4577 sc->interrupts++;
4578 sc->rx_interrupts++;
4579
4580 data = STAILQ_FIRST(&ring->active);
4581 if (data != NULL)
4582 {
4583 STAILQ_REMOVE_HEAD(&ring->active, next);
4584 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4585 }
4586
4587 if (error != USB_ERR_CANCELLED)
4588 {
4589 ifp->if_ierrors++;
4590
4591 usbd_xfer_set_stall(xfer);
4592
4593 goto setup;
4594 }
4595 break;
4596 }
4597 }
4598
4599 /*
4600 * rt2870_tx_intr
4601 */
4602 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4603 {
4604 struct rt2870_softc *sc;
4605 struct ifnet *ifp;
4606 struct rt2870_softc_tx_ring *ring;
4607 struct rt2870_softc_tx_data *data;
4608
4609 sc = usbd_xfer_softc(xfer);
4610 ifp = sc->ifp;
4611 ring = usbd_xfer_get_priv(xfer);
4612
4613 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4614
4615 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4616 "%s: Tx interrupt: state=%d, error=%s\n",
4617 device_get_nameunit(sc->dev),
4618 USB_GET_STATE(xfer), usbd_errstr(error));
4619
4620 switch (USB_GET_STATE(xfer))
4621 {
4622 case USB_ST_TRANSFERRED:
4623 sc->interrupts++;
4624 sc->tx_interrupts[ring->qid]++;
4625
4626 data = STAILQ_FIRST(&ring->active);
4627 if (data == NULL)
4628 goto setup;
4629
4630 STAILQ_REMOVE_HEAD(&ring->active, next);
4631
4632 STAILQ_INSERT_TAIL(&ring->done, data, next);
4633
4634 sc->tx_qid_pending_mask |= (1 << ring->qid);
4635
4636 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4637
4638 /* FALLTHROUGH */
4639
4640 setup:
4641
4642 case USB_ST_SETUP:
4643 data = STAILQ_FIRST(&ring->pending);
4644 if (data == NULL)
4645 break;
4646
4647 STAILQ_REMOVE_HEAD(&ring->pending, next);
4648 STAILQ_INSERT_TAIL(&ring->active, data, next);
4649
4650 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4651 usbd_transfer_submit(xfer);
4652
4653 RT2870_SOFTC_UNLOCK(sc);
4654
4655 rt2870_start(ifp);
4656
4657 RT2870_SOFTC_LOCK(sc);
4658 break;
4659
4660 default:
4661 sc->interrupts++;
4662 sc->tx_interrupts[ring->qid]++;
4663
4664 data = STAILQ_FIRST(&ring->active);
4665 if (data != NULL)
4666 {
4667 STAILQ_REMOVE_HEAD(&ring->active, next);
4668
4669 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4670 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4671
4672 if (data->m != NULL)
4673 {
4674 m_freem(data->m);
4675 data->m = NULL;
4676 }
4677
4678 if (data->ni != NULL)
4679 {
4680 ieee80211_free_node(data->ni);
4681 data->ni = NULL;
4682 }
4683
4684 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4685
4686 ring->queued--;
4687 }
4688
4689 if (error != USB_ERR_CANCELLED)
4690 {
4691 ifp->if_oerrors++;
4692 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4693
4694 usbd_xfer_set_stall(xfer);
4695
4696 goto setup;
4697 }
4698 break;
4699 }
4700 }
4701
4702 /*
4703 * rt2870_rx_done_task
4704 */
4705 static void rt2870_rx_done_task(void *context, int pending)
4706 {
4707 struct rt2870_softc *sc;
4708 struct ifnet *ifp;
4709
4710 sc = context;
4711 ifp = sc->ifp;
4712
4713 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4714 "%s: Rx done task\n",
4715 device_get_nameunit(sc->dev));
4716
4717 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4718 return;
4719
4720 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4721 {
4722 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4723 "%s: Rx done task: scheduling again\n",
4724 device_get_nameunit(sc->dev));
4725
4726 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4727 }
4728 }
4729
4730 /*
4731 * rt2870_tx_done_task
4732 */
4733 static void rt2870_tx_done_task(void *context, int pending)
4734 {
4735 struct rt2870_softc *sc;
4736 struct ifnet *ifp;
4737 int i;
4738
4739 sc = context;
4740 ifp = sc->ifp;
4741
4742 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4743 "%s: Tx done task\n",
4744 device_get_nameunit(sc->dev));
4745
4746 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4747 return;
4748
4749 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4750 {
4751 if (sc->tx_qid_pending_mask & (1 << i))
4752 {
4753 sc->tx_qid_pending_mask &= ~(1 << i);
4754
4755 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4756 }
4757 }
4758
4759 if (sc->tx_qid_pending_mask != 0)
4760 {
4761 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4762 "%s: Tx done task: scheduling again\n",
4763 device_get_nameunit(sc->dev));
4764
4765 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4766 }
4767
4768 sc->tx_timer = 0;
4769
4770 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4771 }
4772
4773 /*
4774 * rt2870_periodic_task
4775 */
4776 static void rt2870_periodic_task(void *context, int pending)
4777 {
4778 struct rt2870_softc *sc;
4779 struct ifnet *ifp;
4780 struct ieee80211com *ic;
4781 struct ieee80211vap *vap;
4782
4783 sc = context;
4784 ifp = sc->ifp;
4785 ic = ifp->if_l2com;
4786 vap = TAILQ_FIRST(&ic->ic_vaps);
4787
4788 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4789 "%s: periodic task: round=%lu\n",
4790 device_get_nameunit(sc->dev), sc->periodic_round);
4791
4792 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4793 return;
4794
4795 RT2870_SOFTC_LOCK(sc);
4796
4797 sc->periodic_round++;
4798
4799 rt2870_update_stats(sc);
4800
4801 if ((sc->periodic_round % 10) == 0)
4802 {
4803 rt2870_bbp_tuning(sc);
4804
4805 rt2870_update_raw_counters(sc);
4806
4807 rt2870_watchdog(sc);
4808
4809 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4810 {
4811 if (vap->iv_opmode == IEEE80211_M_STA)
4812 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
4813 else
4814 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
4815 }
4816 }
4817
4818 RT2870_SOFTC_UNLOCK(sc);
4819
4820 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4821 }
4822
4823 /*
4824 * rt2870_cmd_task
4825 */
4826 static void rt2870_cmd_task(void *context, int pending)
4827 {
4828 struct rt2870_softc *sc;
4829 struct rt2870_softc_cmd_ring *ring;
4830 struct rt2870_softc_cmd *cmd;
4831
4832 sc = context;
4833 ring = &sc->cmd_ring;
4834
4835 while (1)
4836 {
4837 RT2870_SOFTC_LOCK(sc);
4838
4839 cmd = STAILQ_FIRST(&ring->active);
4840 if (cmd == NULL)
4841 {
4842 RT2870_SOFTC_UNLOCK(sc);
4843 break;
4844 }
4845
4846 STAILQ_REMOVE_HEAD(&ring->active, next);
4847
4848 RT2870_SOFTC_UNLOCK(sc);
4849
4850 cmd->cb(sc, cmd->data);
4851
4852 RT2870_SOFTC_LOCK(sc);
4853
4854 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4855 ring->queued--;
4856
4857 RT2870_SOFTC_UNLOCK(sc);
4858 }
4859 }
4860
4861 /*
4862 * rt2870_rx_eof
4863 */
4864 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4865 {
4866 struct ifnet *ifp;
4867 struct rt2870_softc_rx_ring *ring;
4868 struct rt2870_softc_rx_data *data;
4869 uint32_t dmalen;
4870 uint8_t *buf;
4871 int nframes, len;
4872
4873 ifp = sc->ifp;
4874 ring = &sc->rx_ring;
4875
4876 nframes = 0;
4877
4878 while (limit != 0)
4879 {
4880 RT2870_SOFTC_LOCK(sc);
4881
4882 data = STAILQ_FIRST(&ring->done);
4883 if (data == NULL)
4884 {
4885 RT2870_SOFTC_UNLOCK(sc);
4886 break;
4887 }
4888
4889 STAILQ_REMOVE_HEAD(&ring->done, next);
4890
4891 RT2870_SOFTC_UNLOCK(sc);
4892
4893 buf = data->buf;
4894 len = data->len;
4895
4896 if (len < RT2870_RX_DESC_SIZE)
4897 {
4898 ifp->if_ierrors++;
4899 goto skip;
4900 }
4901
4902 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4903 {
4904 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4905
4906 if (dmalen == 0 || (dmalen & 3) != 0)
4907 {
4908 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4909 "%s: bad DMA len=%u\n",
4910 device_get_nameunit(sc->dev), dmalen);
4911 goto skip;
4912 }
4913
4914 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4915 {
4916 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4917 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4918 device_get_nameunit(sc->dev),
4919 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4920 goto skip;
4921 }
4922
4923 nframes++;
4924
4925 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4926
4927 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4928 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4929 }
4930
4931 skip:
4932
4933 RT2870_SOFTC_LOCK(sc);
4934
4935 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4936
4937 usbd_transfer_start(sc->usb_xfer[0]);
4938
4939 RT2870_SOFTC_UNLOCK(sc);
4940
4941 limit--;
4942 }
4943
4944 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4945 "%s: Rx eof: nframes=%d\n",
4946 device_get_nameunit(sc->dev), nframes);
4947
4948 sc->rx_packets += nframes;
4949
4950 return (limit == 0);
4951 }
4952
4953 /*
4954 * rt2870_tx_eof
4955 */
4956 static void rt2870_tx_eof(struct rt2870_softc *sc,
4957 struct rt2870_softc_tx_ring *ring)
4958 {
4959 struct ifnet *ifp;
4960 struct rt2870_softc_tx_data *data;
4961 int nframes;
4962
4963 ifp = sc->ifp;
4964
4965 nframes = 0;
4966
4967 while (1)
4968 {
4969 RT2870_SOFTC_LOCK(sc);
4970
4971 data = STAILQ_FIRST(&ring->done);
4972 if (data == NULL)
4973 {
4974 RT2870_SOFTC_UNLOCK(sc);
4975 break;
4976 }
4977
4978 STAILQ_REMOVE_HEAD(&ring->done, next);
4979
4980 rt2870_drain_fifo_stats(sc);
4981
4982 RT2870_SOFTC_UNLOCK(sc);
4983
4984 nframes++;
4985
4986 if (data->m->m_flags & M_TXCB)
4987 ieee80211_process_callback(data->ni, data->m, 0);
4988
4989 m_freem(data->m);
4990
4991 ieee80211_free_node(data->ni);
4992
4993 data->m = NULL;
4994 data->ni = NULL;
4995
4996 RT2870_SOFTC_LOCK(sc);
4997
4998 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4999
5000 ring->queued--;
5001 ifp->if_opackets++;
5002
5003 RT2870_SOFTC_UNLOCK(sc);
5004 }
5005
5006 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5007 "%s: Tx eof: qid=%d, nframes=%d\n",
5008 device_get_nameunit(sc->dev), ring->qid, nframes);
5009 }
5010
5011 /*
5012 * rt2870_update_stats
5013 */
5014 static void rt2870_update_stats(struct rt2870_softc *sc)
5015 {
5016 struct ifnet *ifp;
5017 struct ieee80211com *ic;
5018 struct ieee80211vap *vap;
5019 struct ieee80211_node *ni;
5020 uint32_t stacnt[3];
5021 int beacons, noretryok, retryok, failed, underflows, zerolen;
5022 uint16_t associd;
5023 uint8_t wcid;
5024
5025 ifp = sc->ifp;
5026 ic = ifp->if_l2com;
5027 vap = TAILQ_FIRST(&ic->ic_vaps);
5028
5029 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5030 "%s: update statistic\n",
5031 device_get_nameunit(sc->dev));
5032
5033 rt2870_drain_fifo_stats(sc);
5034
5035 /* read and clear Tx statistic registers */
5036
5037 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5038 stacnt, sizeof(stacnt));
5039
5040 stacnt[0] = le32toh(stacnt[0]);
5041 stacnt[1] = le32toh(stacnt[1]);
5042 stacnt[2] = le32toh(stacnt[2]);
5043
5044 beacons = stacnt[0] >> 16;
5045 noretryok = stacnt[1] & 0xffff;
5046 retryok = stacnt[1] >> 16;
5047 failed = stacnt[0] & 0xffff;
5048 underflows = stacnt[2] >> 16;
5049 zerolen = stacnt[2] & 0xffff;
5050
5051 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5052 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5053 device_get_nameunit(sc->dev),
5054 beacons, noretryok, retryok, failed, underflows, zerolen);
5055
5056 ifp->if_oerrors += failed;
5057
5058 sc->tx_beacons += beacons;
5059 sc->tx_noretryok += noretryok;
5060 sc->tx_retryok += retryok;
5061 sc->tx_failed += failed;
5062 sc->tx_underflows += underflows;
5063 sc->tx_zerolen += zerolen;
5064
5065 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
5066 {
5067 ni = vap->iv_bss;
5068
5069 associd = (ni != NULL) ? ni->ni_associd : 0;
5070 wcid = RT2870_AID2WCID(associd);
5071
5072 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
5073 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5074 }
5075 }
5076
5077 /*
5078 * rt2870_bbp_tuning
5079 */
5080 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5081 {
5082 struct ifnet *ifp;
5083 struct ieee80211com *ic;
5084 struct ieee80211vap *vap;
5085 struct ieee80211_node *ni;
5086 int chan, group;
5087 int8_t rssi, old, new;
5088
5089 /* RT2860C does not support BBP tuning */
5090
5091 if (sc->mac_rev == 0x28600100)
5092 return;
5093
5094 ifp = sc->ifp;
5095 ic = ifp->if_l2com;
5096 vap = TAILQ_FIRST(&ic->ic_vaps);
5097
5098 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5099 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5100 return;
5101
5102 ni = vap->iv_bss;
5103
5104 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5105
5106 if (chan <= 14)
5107 group = 0;
5108 else if (chan <= 64)
5109 group = 1;
5110 else if (chan <= 128)
5111 group = 2;
5112 else
5113 group = 3;
5114
5115 rssi = ieee80211_getrssi(vap);
5116
5117 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5118 {
5119 new = 0x2e + sc->lna_gain[group];
5120 }
5121 else
5122 {
5123 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5124 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5125 else
5126 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5127 }
5128
5129 /* Tune if absolute average RSSI is greater than -80 */
5130
5131 if (rssi > 30)
5132 new += 0x10;
5133
5134 old = rt2870_io_bbp_read(sc, 66);
5135
5136 if (old != new)
5137 rt2870_io_bbp_write(sc, 66, new);
5138 }
5139
5140 /*
5141 * rt2870_watchdog
5142 */
5143 static void rt2870_watchdog(struct rt2870_softc *sc)
5144 {
5145 uint32_t tmp;
5146 int ntries;
5147
5148 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5149
5150 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5151 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5152 device_get_nameunit(sc->dev), tmp);
5153
5154 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5155 {
5156 sc->tx_queue_not_empty[0]++;
5157
5158 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5159
5160 for (ntries = 0; ntries < 10; ntries++)
5161 {
5162 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5163 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5164 break;
5165
5166 DELAY(1);
5167 }
5168
5169 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5170 }
5171
5172 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5173 {
5174 sc->tx_queue_not_empty[1]++;
5175
5176 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5177
5178 for (ntries = 0; ntries < 10; ntries++)
5179 {
5180 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5181 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5182 break;
5183
5184 DELAY(1);
5185 }
5186
5187 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5188 }
5189 }
5190
5191 /*
5192 * rt2870_drain_fifo_stats
5193 */
5194 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5195 {
5196 struct ifnet *ifp;
5197 uint32_t stats;
5198 uint8_t wcid, mcs, pid;
5199 int ok, agg, retrycnt;
5200
5201 ifp = sc->ifp;
5202
5203 /* drain Tx status FIFO (maxsize = 16) */
5204
5205 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5206 RT2870_REG_TX_STA_FIFO_VALID)
5207 {
5208 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5209 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5210
5211 /* if no ACK was requested, no feedback is available */
5212
5213 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5214 continue;
5215
5216 /* update AMRR statistic */
5217
5218 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5219 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5220 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5221 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5222 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5223 RT2870_REG_TX_STA_FIFO_PID_MASK;
5224 retrycnt = pid - mcs;
5225
5226 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5227 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5228 device_get_nameunit(sc->dev),
5229 wcid, ok, agg, mcs, pid, retrycnt);
5230
5231 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5232
5233 if (!ok)
5234 ifp->if_oerrors++;
5235 }
5236 }
5237
5238 /*
5239 * rt2870_update_raw_counters
5240 */
5241 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5242 {
5243 uint32_t tmp;
5244
5245 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5246
5247 sc->tx_nonagg += tmp & 0xffff;
5248 sc->tx_agg += tmp >> 16;
5249
5250 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5251
5252 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5253
5254 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5255
5256 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5257
5258 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5259
5260 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5261
5262 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5263
5264 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5265
5266 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5267
5268 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5269
5270 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5271
5272 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5273
5274 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5275
5276 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5277
5278 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5279
5280 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5281
5282 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5283
5284 sc->rx_crc_errors += tmp & 0xffff;
5285 sc->rx_phy_errors += tmp >> 16;
5286
5287 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5288
5289 sc->rx_false_ccas += tmp & 0xffff;
5290 sc->rx_plcp_errors += tmp >> 16;
5291
5292 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5293
5294 sc->rx_dup_packets += tmp & 0xffff;
5295 sc->rx_fifo_overflows += tmp >> 16;
5296
5297 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5298
5299 sc->tx_mpdu_zero_density += tmp & 0xffff;
5300 sc->rx_mpdu_zero_density += tmp >> 16;
5301 }
5302
5303 /*
5304 * rt2870_txrx_enable
5305 */
5306 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5307 {
5308 struct ieee80211com *ic;
5309 struct ifnet *ifp;
5310 uint32_t tmp;
5311 int ntries;
5312
5313 ifp = sc->ifp;
5314 ic = ifp->if_l2com;
5315
5316 /* enable Tx/Rx DMA engine */
5317
5318 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5319
5320 tmp &= 0xffffff00;
5321 tmp |= 0x1e;
5322
5323 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5324
5325 if ((sc->mac_rev & 0xffff) != 0x0101)
5326 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5327
5328 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5329
5330 for (ntries = 0; ntries < 200; ntries++)
5331 {
5332 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5333 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5334 break;
5335
5336 DELAY(1000);
5337 }
5338
5339 if (ntries == 200)
5340 {
5341 printf("%s: timeout waiting for DMA engine\n",
5342 device_get_nameunit(sc->dev));
5343 return -1;
5344 }
5345
5346 DELAY(50);
5347
5348 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5349 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5350 (48 << 16) | 96);
5351
5352 tmp |= RT2870_REG_TX_WB_DDONE |
5353 RT2870_REG_RX_DMA_ENABLE |
5354 RT2870_REG_TX_DMA_ENABLE;
5355
5356 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5357
5358 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5359 RT2870_REG_USB_DMA_RX_ENABLE |
5360 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5361 /* Rx agg limit in unit of 1024 byte */
5362 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5363 /* Rx agg timeout in unit of 33ns */
5364 0x80;
5365
5366 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5367
5368 /* set Rx filter */
5369
5370 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5371 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5372
5373 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5374 {
5375 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5376 RT2870_REG_RX_FILTER_DROP_CTS |
5377 RT2870_REG_RX_FILTER_DROP_BA |
5378 RT2870_REG_RX_FILTER_DROP_ACK |
5379 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5380 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5381 RT2870_REG_RX_FILTER_DROP_CFACK |
5382 RT2870_REG_RX_FILTER_DROP_CFEND;
5383
5384 if (ic->ic_opmode == IEEE80211_M_STA)
5385 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5386 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5387
5388 if (!(ifp->if_flags & IFF_PROMISC))
5389 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5390 }
5391
5392 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5393
5394 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5395 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5396
5397 return 0;
5398 }
5399
5400 /*
5401 * rt2870_alloc_rx_ring
5402 */
5403 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5404 struct rt2870_softc_rx_ring *ring)
5405 {
5406 struct rt2870_softc_rx_data *data;
5407 int i, error;
5408
5409 STAILQ_INIT(&ring->inactive);
5410 STAILQ_INIT(&ring->active);
5411 STAILQ_INIT(&ring->done);
5412
5413 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5414 {
5415 data = &ring->data[i];
5416
5417 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5418 if (data->buf == NULL)
5419 {
5420 printf("%s: could not allocate Rx buffer\n",
5421 device_get_nameunit(sc->dev));
5422 error = ENOMEM;
5423 goto fail;
5424 }
5425
5426 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5427 }
5428
5429 return 0;
5430
5431 fail:
5432
5433 rt2870_free_rx_ring(sc, ring);
5434
5435 return error;
5436 }
5437
5438 /*
5439 * rt2870_reset_rx_ring
5440 */
5441 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5442 struct rt2870_softc_rx_ring *ring)
5443 {
5444 struct rt2870_softc_rx_data *data;
5445 int i;
5446
5447 STAILQ_INIT(&ring->inactive);
5448 STAILQ_INIT(&ring->active);
5449 STAILQ_INIT(&ring->done);
5450
5451 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5452 {
5453 data = &ring->data[i];
5454
5455 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5456 }
5457 }
5458
5459 /*
5460 * rt2870_free_rx_ring
5461 */
5462 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5463 struct rt2870_softc_rx_ring *ring)
5464 {
5465 struct rt2870_softc_rx_data *data;
5466 int i;
5467
5468 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5469 {
5470 data = &ring->data[i];
5471
5472 if (data->buf != NULL)
5473 {
5474 free(data->buf, M_USBDEV);
5475 data->buf = NULL;
5476 }
5477 }
5478 }
5479
5480 /*
5481 * rt2870_alloc_tx_ring
5482 */
5483 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5484 struct rt2870_softc_tx_ring *ring, int qid)
5485 {
5486 struct rt2870_softc_tx_data *data;
5487 int i, error;
5488
5489 STAILQ_INIT(&ring->inactive);
5490 STAILQ_INIT(&ring->pending);
5491 STAILQ_INIT(&ring->active);
5492 STAILQ_INIT(&ring->done);
5493
5494 ring->queued = 0;
5495 ring->qid = qid;
5496
5497 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5498 {
5499 data = &ring->data[i];
5500
5501 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5502 if (data->buf == NULL)
5503 {
5504 printf("%s: could not allocate Tx buffer\n",
5505 device_get_nameunit(sc->dev));
5506 error = ENOMEM;
5507 goto fail;
5508 }
5509
5510 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5511
5512 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5513 }
5514
5515 return 0;
5516
5517 fail:
5518
5519 rt2870_free_tx_ring(sc, ring);
5520
5521 return error;
5522 }
5523
5524 /*
5525 * rt2870_reset_tx_ring
5526 */
5527 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5528 struct rt2870_softc_tx_ring *ring)
5529 {
5530 struct rt2870_softc_tx_data *data;
5531 int i;
5532
5533 STAILQ_INIT(&ring->inactive);
5534 STAILQ_INIT(&ring->pending);
5535 STAILQ_INIT(&ring->active);
5536 STAILQ_INIT(&ring->done);
5537
5538 ring->queued = 0;
5539
5540 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5541 {
5542 data = &ring->data[i];
5543
5544 if (data->m != NULL)
5545 {
5546 m_free(data->m);
5547 data->m = NULL;
5548 }
5549
5550 if (data->ni != NULL)
5551 {
5552 ieee80211_free_node(data->ni);
5553 data->ni = NULL;
5554 }
5555
5556 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5557 }
5558 }
5559
5560 /*
5561 * rt2870_free_tx_ring
5562 */
5563 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5564 struct rt2870_softc_tx_ring *ring)
5565 {
5566 struct rt2870_softc_tx_data *data;
5567 int i;
5568
5569 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5570 {
5571 data = &ring->data[i];
5572
5573 if (data->buf != NULL)
5574 {
5575 free(data->buf, M_USBDEV);
5576 data->buf = NULL;
5577 }
5578
5579 if (data->m != NULL)
5580 {
5581 m_free(data->m);
5582 data->m = NULL;
5583 }
5584
5585 if (data->ni != NULL)
5586 {
5587 ieee80211_free_node(data->ni);
5588 data->ni = NULL;
5589 }
5590 }
5591 }
5592
5593 /*
5594 * rt2870_reset_cmd_ring
5595 */
5596 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5597 struct rt2870_softc_cmd_ring *ring)
5598 {
5599 struct rt2870_softc_cmd *cmd;
5600 int i;
5601
5602 STAILQ_INIT(&ring->inactive);
5603 STAILQ_INIT(&ring->active);
5604
5605 ring->queued = 0;
5606
5607 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5608 {
5609 cmd = &ring->cmd[i];
5610
5611 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5612 }
5613 }
5614
5615 /*
5616 * rt2870_sysctl_attach
5617 */
5618 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5619 {
5620 struct sysctl_ctx_list *ctx;
5621 struct sysctl_oid *tree;
5622 struct sysctl_oid *stats;
5623
5624 ctx = device_get_sysctl_ctx(sc->dev);
5625 tree = device_get_sysctl_tree(sc->dev);
5626
5627 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5628 "stats", CTLFLAG_RD, 0, "statistic");
5629
5630 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5631 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5632 "all interrupts");
5633
5634 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5635 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5636 "Rx interrupts");
5637
5638 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5639 {
5640 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5641 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5642 "Tx MGMT interrupts");
5643
5644 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5645 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5646 "Tx HCCA interrupts");
5647 }
5648
5649 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5650 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5651 "Tx AC3 interrupts");
5652
5653 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5654 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5655 "Tx AC2 interrupts");
5656
5657 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5658 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5659 "Tx AC1 interrupts");
5660
5661 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5662 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5663 "Tx AC0 interrupts");
5664
5665 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5666 {
5667 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5668 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5669 "Tx MGMT data queued");
5670
5671 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5672 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5673 "Tx HCCA data queued");
5674 }
5675
5676 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5677 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5678 "Tx AC3 data queued");
5679
5680 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5681 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5682 "Tx AC2 data queued");
5683
5684 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5685 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5686 "Tx AC1 data queued");
5687
5688 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5689 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5690 "Tx AC0 data queued");
5691
5692 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5693 {
5694 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5695 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5696 "Tx MGMT data queue full");
5697
5698 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5699 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5700 "Tx HCCA data queue full");
5701 }
5702
5703 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5704 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5705 "Tx AC3 data queue full");
5706
5707 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5708 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5709 "Tx AC2 data queue full");
5710
5711 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5712 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5713 "Tx AC1 data queue full");
5714
5715 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5716 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5717 "Tx AC0 data queue full");
5718
5719 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5720 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5721 "Tx watchdog timeouts");
5722
5723 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5724 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5725 "Rx mbuf allocation errors");
5726
5727 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5728 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5729 "Tx queue 0 not empty");
5730
5731 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5732 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5733 "Tx queue 1 not empty");
5734
5735 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5736 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5737 "Tx beacons");
5738
5739 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5740 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5741 "Tx successfull without retries");
5742
5743 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5744 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5745 "Tx successfull with retries");
5746
5747 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5748 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5749 "Tx failed");
5750
5751 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5752 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
5753 "Tx underflows");
5754
5755 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5756 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
5757 "Tx zero length");
5758
5759 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5760 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5761 "Tx non-aggregated");
5762
5763 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5764 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5765 "Tx aggregated");
5766
5767 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5768 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5769 "Tx A-MPDU");
5770
5771 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5772 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
5773 "Tx MPDU with zero density");
5774
5775 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5776 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5777 "Rx packets");
5778
5779 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5780 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5781 "Rx A-MPDU");
5782
5783 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5784 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
5785 "Rx MPDU with zero density");
5786
5787 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5788 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5789 "Rx A-MSDU");
5790
5791 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5792 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5793 "Rx CRC errors");
5794
5795 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5796 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5797 "Rx PHY errors");
5798
5799 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5800 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5801 "Rx false CCAs");
5802
5803 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5804 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5805 "Rx PLCP errors");
5806
5807 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5808 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5809 "Rx duplicate packets");
5810
5811 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5812 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5813 "Rx FIFO overflows");
5814 }
5815
5816 static device_method_t rt2870_dev_methods[] =
5817 {
5818 DEVMETHOD(device_probe, rt2870_probe),
5819 DEVMETHOD(device_attach, rt2870_attach),
5820 DEVMETHOD(device_detach, rt2870_detach),
5821 { 0, 0 }
5822 };
5823
5824 static driver_t rt2870_driver =
5825 {
5826 "rt2870",
5827 rt2870_dev_methods,
5828 sizeof(struct rt2870_softc),
5829 };
5830
5831 static devclass_t rt2870_dev_class;
5832
5833 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5834 NULL, 0);
5835
5836 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5837 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870