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Changed default value of Tx STBC to 1
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blobc8a2640c7e2e6731bd2ee9f5c1ac02f96c089357
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 #define RT2870_WCID_RESERVED 0xff
77 #define RT2870_WCID_MCAST 0xf7
78
79 /*
80 * Data structures and types
81 */
82
83 struct rt2870_cmd_argv_nodecleanup
84 {
85 uint8_t staid;
86 };
87
88 struct rt2870_cmd_argv_keyset
89 {
90 enum ieee80211_opmode opmode;
91 struct ieee80211_key key;
92 uint8_t staid;
93 };
94
95 struct rt2870_cmd_argv_keydelete
96 {
97 enum ieee80211_opmode opmode;
98 struct ieee80211_key key;
99 };
100
101 /*
102 * Static function prototypes
103 */
104
105 static void rt2870_init_channels(struct rt2870_softc *sc);
106
107 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
108
109 static void rt2870_init_locked(void *priv);
110
111 static void rt2870_init(void *priv);
112
113 static int rt2870_init_bbp(struct rt2870_softc *sc);
114
115 static void rt2870_stop_locked(void *priv);
116
117 static void rt2870_stop(void *priv);
118
119 static void rt2870_start(struct ifnet *ifp);
120
121 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
122
123 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
124 const char name[IFNAMSIZ], int unit, int opmode, int flags,
125 const uint8_t bssid[IEEE80211_ADDR_LEN],
126 const uint8_t mac[IEEE80211_ADDR_LEN]);
127
128 static void rt2870_vap_delete(struct ieee80211vap *vap);
129
130 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd);
131
132 static int rt2870_vap_newstate(struct ieee80211vap *vap,
133 enum ieee80211_state nstate, int arg);
134
135 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap);
136
137 static void rt2870_vap_key_update_end(struct ieee80211vap *vap);
138
139 static int rt2870_vap_key_set(struct ieee80211vap *vap,
140 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
141
142 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
143 const struct ieee80211_key *k);
144
145 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what);
146
147 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
148 const uint8_t mac[IEEE80211_ADDR_LEN]);
149
150 static void rt2870_node_cleanup(struct ieee80211_node *ni);
151
152 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
153 struct ieee80211_mimo_info *mi);
154
155 static int rt2870_setregdomain(struct ieee80211com *ic,
156 struct ieee80211_regdomain *reg,
157 int nchans, struct ieee80211_channel chans[]);
158
159 static void rt2870_getradiocaps(struct ieee80211com *ic,
160 int maxchans, int *nchans, struct ieee80211_channel chans[]);
161
162 static void rt2870_scan_start(struct ieee80211com *ic);
163
164 static void rt2870_scan_end(struct ieee80211com *ic);
165
166 static void rt2870_set_channel(struct ieee80211com *ic);
167
168 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
169
170 static void rt2870_updateslot(struct ifnet *ifp);
171
172 static void rt2870_update_promisc(struct ifnet *ifp);
173
174 static void rt2870_update_mcast(struct ifnet *ifp);
175
176 static int rt2870_wme_update(struct ieee80211com *ic);
177
178 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
179 const struct ieee80211_bpf_params *params);
180
181 static int rt2870_recv_action(struct ieee80211_node *ni,
182 const struct ieee80211_frame *wh,
183 const uint8_t *frm, const uint8_t *efrm);
184
185 static int rt2870_send_action(struct ieee80211_node *ni,
186 int cat, int act, void *sa);
187
188 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
189
190 static void rt2870_periodic(void *arg);
191
192 static void rt2870_tx_watchdog(void *arg);
193
194 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid);
195
196 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid);
197
198 static int rt2870_do_async(struct rt2870_softc *sc,
199 void (*cb)(struct rt2870_softc *sc, void *arg),
200 void *arg, int len);
201
202 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg);
203
204 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
205
206 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
207
208 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg);
209
210 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
211
212 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
213
214 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
215 const uint8_t *bssid);
216
217 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
218 const uint8_t *addr);
219
220 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
221
222 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
223
224 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
225
226 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
227
228 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
229
230 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
231
232 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
233
234 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
235
236 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
237
238 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
239
240 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
241
242 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
243 struct ieee80211vap *vap);
244
245 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
246
247 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
248 struct ieee80211vap *vap);
249
250 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
251
252 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
253 const struct rt2870_rxwi *rxwi);
254
255 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
256 uint8_t rssi, uint8_t rxpath);
257
258 static uint8_t rt2870_rate2mcs(uint8_t rate);
259
260 static void rt2870_rx_frame(struct rt2870_softc *sc,
261 uint8_t *buf, uint32_t dmalen);
262
263 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
264 struct mbuf *m, struct ieee80211_node *ni, int qid);
265
266 static int rt2870_tx_data(struct rt2870_softc *sc,
267 struct mbuf *m, struct ieee80211_node *ni, int qid);
268
269 static int rt2870_tx_raw(struct rt2870_softc *sc,
270 struct mbuf *m, struct ieee80211_node *ni,
271 const struct ieee80211_bpf_params *params);
272
273 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
274
275 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
276
277 static void rt2870_rx_done_task(void *context, int pending);
278
279 static void rt2870_tx_done_task(void *context, int pending);
280
281 static void rt2870_periodic_task(void *context, int pending);
282
283 static void rt2870_cmd_task(void *context, int pending);
284
285 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
286
287 static void rt2870_tx_eof(struct rt2870_softc *sc,
288 struct rt2870_softc_tx_ring *ring);
289
290 static void rt2870_update_stats(struct rt2870_softc *sc);
291
292 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
293
294 static void rt2870_watchdog(struct rt2870_softc *sc);
295
296 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
297
298 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
299
300 static int rt2870_txrx_enable(struct rt2870_softc *sc);
301
302 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
303 struct rt2870_softc_rx_ring *ring);
304
305 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
306 struct rt2870_softc_rx_ring *ring);
307
308 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
309 struct rt2870_softc_rx_ring *ring);
310
311 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
312 struct rt2870_softc_tx_ring *ring, int qid);
313
314 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
315 struct rt2870_softc_tx_ring *ring);
316
317 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
318 struct rt2870_softc_tx_ring *ring);
319
320 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
321 struct rt2870_softc_cmd_ring *ring);
322
323 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
324
325 /*
326 * Static variables
327 */
328
329 static const struct usb_device_id rt2870_usb_devid[] =
330 {
331 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
332 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
333 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
334 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
335 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
336 };
337
338 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
339 {
340 {
341 .type = UE_BULK,
342 .endpoint = 0x01,
343 .direction = UE_DIR_IN,
344 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
345 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
346 .callback = rt2870_rx_intr,
347 },
348 {
349 .type = UE_BULK,
350 .endpoint = 0x01,
351 .direction = UE_DIR_OUT,
352 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
353 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
354 .callback = rt2870_tx_intr,
355 .timeout = RT2870_USB_XFER_TIMEOUT,
356 },
357 {
358 .type = UE_BULK,
359 .endpoint = 0x02,
360 .direction = UE_DIR_OUT,
361 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
362 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
363 .callback = rt2870_tx_intr,
364 .timeout = RT2870_USB_XFER_TIMEOUT,
365 },
366 {
367 .type = UE_BULK,
368 .endpoint = 0x03,
369 .direction = UE_DIR_OUT,
370 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
371 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
372 .callback = rt2870_tx_intr,
373 .timeout = RT2870_USB_XFER_TIMEOUT,
374 },
375 {
376 .type = UE_BULK,
377 .endpoint = 0x04,
378 .direction = UE_DIR_OUT,
379 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
380 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
381 .callback = rt2870_tx_intr,
382 .timeout = RT2870_USB_XFER_TIMEOUT,
383 },
384 {
385 .type = UE_BULK,
386 .endpoint = 0x05,
387 .direction = UE_DIR_OUT,
388 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
389 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
390 .callback = rt2870_tx_intr,
391 .timeout = RT2870_USB_XFER_TIMEOUT,
392 },
393 {
394 .type = UE_BULK,
395 .endpoint = 0x06,
396 .direction = UE_DIR_OUT,
397 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
398 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
399 .callback = rt2870_tx_intr,
400 .timeout = RT2870_USB_XFER_TIMEOUT,
401 },
402 };
403
404 static const struct
405 {
406 uint32_t reg;
407 uint32_t val;
408 } rt2870_def_mac[] =
409 {
410 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
411 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
412 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
413 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
414 { RT2870_REG_SYS_CTRL, 0x00000000 },
415 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
416 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
417 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
418 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
419 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
420 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
421 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
422 { RT2870_REG_LED_CFG, 0x7f031e46 },
423 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
424 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
425 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
426 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
427 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
428 { RT2870_REG_PBF_CFG, 0x00f40006 },
429 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
430 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
431 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
432 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
433 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
434 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
435 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
436 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
437 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
438 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
439 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
440 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
441 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
442 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
443 };
444
445 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
446
447 static const struct
448 {
449 uint8_t reg;
450 uint8_t val;
451 } rt2870_def_bbp[] =
452 {
453 { 65, 0x2c },
454 { 66, 0x38 },
455 { 69, 0x12 },
456 { 70, 0x0a },
457 { 73, 0x10 },
458 { 81, 0x37 },
459 { 82, 0x62 },
460 { 83, 0x6a },
461 { 84, 0x99 },
462 { 86, 0x00 },
463 { 91, 0x04 },
464 { 92, 0x00 },
465 { 103, 0x00 },
466 { 105, 0x05 },
467 { 106, 0x35 },
468 };
469
470 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
471
472 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
473
474 static int rt2870_tx_stbc = 1;
475 SYSCTL_INT(_hw_rt2870, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2870_tx_stbc, 0, "rt2870 Tx STBC");
476 TUNABLE_INT("hw.rt2870.tx_stbc", &rt2870_tx_stbc);
477
478 #ifdef RT2870_DEBUG
479 static int rt2870_debug = 0;
480 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
481 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
482 #endif
483
484 /*
485 * rt2870_probe
486 */
487 static int rt2870_probe(device_t dev)
488 {
489 struct usb_attach_arg *uaa;
490
491 uaa = device_get_ivars(dev);
492
493 if (uaa->usb_mode != USB_MODE_HOST)
494 return ENXIO;
495
496 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
497 return ENXIO;
498
499 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
500 return ENXIO;
501
502 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
503 sizeof(rt2870_usb_devid), uaa));
504 }
505
506 /*
507 * rt2870_attach
508 */
509 static int rt2870_attach(device_t dev)
510 {
511 struct rt2870_softc *sc;
512 struct usb_attach_arg *uaa;
513 usb_error_t usb_error;
514 struct ieee80211com *ic;
515 struct ifnet *ifp;
516 struct usb_interface *iface;
517 struct usb_interface_descriptor *iface_desc;
518 uint8_t iface_index;
519 int error, ntries, i;
520
521 sc = device_get_softc(dev);
522 uaa = device_get_ivars(dev);
523
524 sc->dev = dev;
525 sc->usb_dev = uaa->device;
526
527 device_set_usb_desc(dev);
528
529 sc->tx_stbc = rt2870_tx_stbc;
530
531 #ifdef RT2870_DEBUG
532 sc->debug = rt2870_debug;
533
534 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
535 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
536 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
537 #endif
538
539 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
540 "%s: attaching\n",
541 device_get_nameunit(sc->dev));
542
543 iface_index = RT2870_USB_IFACE_INDEX;
544
545 iface = usbd_get_iface(uaa->device, iface_index);
546 if (iface == NULL)
547 {
548 printf("%s: could not get USB interface\n",
549 device_get_nameunit(sc->dev));
550 return ENXIO;
551 }
552
553 iface_desc = usbd_get_interface_descriptor(iface);
554 if (iface_desc == NULL)
555 {
556 printf("%s: could not get USB interface descriptor\n",
557 device_get_nameunit(sc->dev));
558 return ENXIO;
559 }
560
561 sc->usb_endpoints = iface_desc->bNumEndpoints;
562 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
563 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
564 {
565 printf("%s: wrong number of USB endpoints=%d\n",
566 device_get_nameunit(sc->dev), sc->usb_endpoints);
567 return ENXIO;
568 }
569
570 mtx_init(&sc->lock, device_get_nameunit(dev),
571 MTX_NETWORK_LOCK, MTX_DEF);
572
573 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
574 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
575 sc, &sc->lock);
576 if (usb_error != 0)
577 {
578 printf("%s: could not allocate USB transfers: error=%s\n",
579 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
580 error = ENXIO;
581 goto fail;
582 }
583
584 sc->flags |= RT2870_SOFTC_FLAGS_VALID;
585
586 RT2870_SOFTC_LOCK(sc);
587
588 for (ntries = 0; ntries < 100; ntries++)
589 {
590 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
591 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
592 break;
593
594 DELAY(10);
595 }
596
597 if (ntries == 100)
598 {
599 printf("%s: timeout waiting for NIC to initialize\n",
600 device_get_nameunit(sc->dev));
601 error = ENXIO;
602 goto fail;
603 }
604
605 rt2870_read_eeprom(sc);
606
607 RT2870_SOFTC_UNLOCK(sc);
608
609 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
610 device_get_nameunit(sc->dev), sc->mac_rev,
611 rt2870_rf_name(sc->rf_rev));
612
613 RT2870_SOFTC_LOCK(sc);
614
615 /* clear key tables */
616
617 rt2870_asic_clear_keytables(sc);
618
619 RT2870_SOFTC_UNLOCK(sc);
620
621 /* allocate Tx and Rx rings */
622
623 for (i = 0; i < sc->usb_endpoints - 1; i++)
624 {
625 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
626 if (error != 0)
627 {
628 printf("%s: could not allocate Tx ring #%d\n",
629 device_get_nameunit(sc->dev), i);
630 goto fail;
631 }
632 }
633
634 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
635 sc->tx_ring_mgtqid = 5;
636 else
637 sc->tx_ring_mgtqid = 0;
638
639 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
640 if (error != 0)
641 {
642 printf("%s: could not allocate Rx ring\n",
643 device_get_nameunit(sc->dev));
644 goto fail;
645 }
646
647 callout_init(&sc->periodic_ch, 0);
648 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
649
650 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
651 if (ifp == NULL)
652 {
653 printf("%s: could not if_alloc()\n",
654 device_get_nameunit(sc->dev));
655 error = ENOMEM;
656 goto fail;
657 }
658
659 ifp->if_softc = sc;
660
661 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
662
663 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
664
665 ifp->if_init = rt2870_init;
666 ifp->if_ioctl = rt2870_ioctl;
667 ifp->if_start = rt2870_start;
668
669 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
670 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
671 IFQ_SET_READY(&ifp->if_snd);
672
673 ic = ifp->if_l2com;
674
675 ic->ic_ifp = ifp;
676
677 ic->ic_phytype = IEEE80211_T_HT;
678 ic->ic_opmode = IEEE80211_M_STA;
679
680 ic->ic_caps = IEEE80211_C_MONITOR |
681 IEEE80211_C_IBSS |
682 IEEE80211_C_STA |
683 IEEE80211_C_AHDEMO |
684 IEEE80211_C_HOSTAP |
685 IEEE80211_C_WDS |
686 IEEE80211_C_MBSS |
687 IEEE80211_C_BGSCAN |
688 IEEE80211_C_TXPMGT |
689 IEEE80211_C_SHPREAMBLE |
690 IEEE80211_C_SHSLOT |
691 IEEE80211_C_TXFRAG |
692 IEEE80211_C_BURST |
693 IEEE80211_C_WME |
694 IEEE80211_C_WPA;
695
696 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
697 IEEE80211_CRYPTO_TKIP |
698 IEEE80211_CRYPTO_TKIPMIC |
699 IEEE80211_CRYPTO_AES_CCM;
700
701 ic->ic_htcaps = IEEE80211_HTC_HT |
702 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
703 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
704 IEEE80211_HTC_SMPS | /* MIMO power save */
705 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
706 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
707 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
708 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
709 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
710 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
711
712 /* spatial streams */
713
714 if (sc->nrxpath == 2)
715 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
716 else if (sc->nrxpath == 3)
717 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
718 else
719 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
720
721 if (sc->ntxpath > 1)
722 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
723
724 /* delayed BA */
725
726 if (sc->mac_rev != 0x28600100)
727 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
728
729 /* init channels */
730
731 ic->ic_nchans = 0;
732
733 rt2870_init_channels(sc);
734
735 rt2870_init_channels_ht40(sc);
736
737 ieee80211_ifattach(ic, sc->mac_addr);
738
739 ic->ic_vap_create = rt2870_vap_create;
740 ic->ic_vap_delete = rt2870_vap_delete;
741
742 ic->ic_node_alloc = rt2870_node_alloc;
743
744 sc->node_cleanup = ic->ic_node_cleanup;
745 ic->ic_node_cleanup = rt2870_node_cleanup;
746
747 ic->ic_node_getmimoinfo = rt2870_node_getmimoinfo;
748 ic->ic_setregdomain = rt2870_setregdomain;
749 ic->ic_getradiocaps = rt2870_getradiocaps;
750 ic->ic_scan_start = rt2870_scan_start;
751 ic->ic_scan_end = rt2870_scan_end;
752 ic->ic_set_channel = rt2870_set_channel;
753 ic->ic_newassoc = rt2870_newassoc;
754 ic->ic_updateslot = rt2870_updateslot;
755 ic->ic_update_promisc = rt2870_update_promisc;
756 ic->ic_update_mcast = rt2870_update_mcast;
757 ic->ic_wme.wme_update = rt2870_wme_update;
758 ic->ic_raw_xmit = rt2870_raw_xmit;
759
760 sc->recv_action = ic->ic_recv_action;
761 ic->ic_recv_action = rt2870_recv_action;
762
763 sc->send_action = ic->ic_send_action;
764 ic->ic_send_action = rt2870_send_action;
765
766 /* hardware requires padding between 802.11 frame header and body */
767
768 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
769
770 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
771
772 ieee80211_radiotap_attach(ic,
773 &sc->txtap.ihdr, sizeof(sc->txtap),
774 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
775 &sc->rxtap.ihdr, sizeof(sc->rxtap),
776 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
777
778 /* init task queue */
779
780 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
781 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
782 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
783 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
784
785 sc->rx_process_limit = 100;
786
787 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
788 taskqueue_thread_enqueue, &sc->taskqueue);
789
790 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
791 device_get_nameunit(sc->dev));
792
793 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
794
795 rt2870_sysctl_attach(sc);
796
797 if (bootverbose)
798 ieee80211_announce(ic);
799
800 return 0;
801
802 fail:
803
804 /* stop all USB transfers */
805
806 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
807
808 /* free Tx and Rx rings */
809
810 for (i = 0; i < sc->usb_endpoints - 1; i++)
811 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
812
813 rt2870_free_rx_ring(sc, &sc->rx_ring);
814
815 mtx_destroy(&sc->lock);
816
817 return error;
818 }
819
820 /*
821 * rt2870_detach
822 */
823 static int rt2870_detach(device_t dev)
824 {
825 struct rt2870_softc *sc;
826 struct ieee80211com *ic;
827 struct ifnet *ifp;
828 int i;
829
830 if (!device_is_attached(dev))
831 return 0;
832
833 sc = device_get_softc(dev);
834 ifp = sc->ifp;
835 ic = ifp->if_l2com;
836
837 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
838 "%s: detaching\n",
839 device_get_nameunit(sc->dev));
840
841 RT2870_SOFTC_LOCK(sc);
842
843 sc->flags &= ~RT2870_SOFTC_FLAGS_VALID;
844
845 sc->tx_timer = 0;
846
847 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
848
849 callout_stop(&sc->periodic_ch);
850 callout_stop(&sc->tx_watchdog_ch);
851
852 RT2870_SOFTC_UNLOCK(sc);
853
854 taskqueue_block(sc->taskqueue);
855
856 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
857 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
858 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
859 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
860
861 /* stop all USB transfers */
862
863 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
864
865 RT2870_SOFTC_LOCK(sc);
866
867 /* free Tx and Rx rings */
868
869 for (i = 0; i < sc->usb_endpoints - 1; i++)
870 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
871
872 rt2870_free_rx_ring(sc, &sc->rx_ring);
873
874 RT2870_SOFTC_UNLOCK(sc);
875
876 ieee80211_ifdetach(ic);
877
878 if_free(ifp);
879
880 taskqueue_free(sc->taskqueue);
881
882 mtx_destroy(&sc->lock);
883
884 return 0;
885 }
886
887 /*
888 * rt2870_init_channels
889 */
890 static void rt2870_init_channels(struct rt2870_softc *sc)
891 {
892 struct ifnet *ifp;
893 struct ieee80211com *ic;
894 struct ieee80211_channel *c;
895 int i, flags;
896
897 ifp = sc->ifp;
898 ic = ifp->if_l2com;
899
900 /* set supported channels for 2GHz band */
901
902 for (i = 1; i <= 14; i++)
903 {
904 c = &ic->ic_channels[ic->ic_nchans++];
905 flags = IEEE80211_CHAN_B;
906
907 c->ic_freq = ieee80211_ieee2mhz(i, flags);
908 c->ic_ieee = i;
909 c->ic_flags = flags;
910
911 c = &ic->ic_channels[ic->ic_nchans++];
912 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
913
914 c->ic_freq = ieee80211_ieee2mhz(i, flags);
915 c->ic_ieee = i;
916 c->ic_flags = flags;
917
918 c = &ic->ic_channels[ic->ic_nchans++];
919 flags = IEEE80211_CHAN_G;
920
921 c->ic_freq = ieee80211_ieee2mhz(i, flags);
922 c->ic_ieee = i;
923 c->ic_flags = flags;
924
925 c = &ic->ic_channels[ic->ic_nchans++];
926 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
927
928 c->ic_freq = ieee80211_ieee2mhz(i, flags);
929 c->ic_ieee = i;
930 c->ic_flags = flags;
931 }
932
933 /* set supported channels for 5GHz band */
934
935 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
936 sc->rf_rev == RT2870_EEPROM_RF_2750)
937 {
938 for (i = 36; i <= 64; i += 4)
939 {
940 c = &ic->ic_channels[ic->ic_nchans++];
941 flags = IEEE80211_CHAN_A;
942
943 c->ic_freq = ieee80211_ieee2mhz(i, flags);
944 c->ic_ieee = i;
945 c->ic_flags = flags;
946
947 c = &ic->ic_channels[ic->ic_nchans++];
948 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
949
950 c->ic_freq = ieee80211_ieee2mhz(i, flags);
951 c->ic_ieee = i;
952 c->ic_flags = flags;
953 }
954
955 for (i = 100; i <= 140; i += 4)
956 {
957 c = &ic->ic_channels[ic->ic_nchans++];
958 flags = IEEE80211_CHAN_A;
959
960 c->ic_freq = ieee80211_ieee2mhz(i, flags);
961 c->ic_ieee = i;
962 c->ic_flags = flags;
963
964 c = &ic->ic_channels[ic->ic_nchans++];
965 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
966
967 c->ic_freq = ieee80211_ieee2mhz(i, flags);
968 c->ic_ieee = i;
969 c->ic_flags = flags;
970 }
971
972 for (i = 149; i <= 165; i += 4)
973 {
974 c = &ic->ic_channels[ic->ic_nchans++];
975 flags = IEEE80211_CHAN_A;
976
977 c->ic_freq = ieee80211_ieee2mhz(i, flags);
978 c->ic_ieee = i;
979 c->ic_flags = flags;
980
981 c = &ic->ic_channels[ic->ic_nchans++];
982 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
983
984 c->ic_freq = ieee80211_ieee2mhz(i, flags);
985 c->ic_ieee = i;
986 c->ic_flags = flags;
987 }
988 }
989 }
990
991 /*
992 * rt2870_init_channels_ht40
993 */
994 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
995 {
996 struct ifnet *ifp;
997 struct ieee80211com *ic;
998 struct ieee80211_channel *c, *cent, *ext;
999 int i, flags;
1000
1001 ifp = sc->ifp;
1002 ic = ifp->if_l2com;
1003
1004 /* set supported channels for 2GHz band */
1005
1006 for (i = 1; i <= 14; i++)
1007 {
1008 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1009
1010 /* find the center channel */
1011
1012 cent = ieee80211_find_channel_byieee(ic, i,
1013 flags & ~IEEE80211_CHAN_HT);
1014 if (cent == NULL)
1015 {
1016 printf("%s: skip channel %d, could not find center channel\n",
1017 device_get_nameunit(sc->dev), i);
1018 continue;
1019 }
1020
1021 /* find the extension channel */
1022
1023 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1024 flags & ~IEEE80211_CHAN_HT);
1025 if (ext == NULL)
1026 {
1027 printf("%s: skip channel %d, could not find extension channel\n",
1028 device_get_nameunit(sc->dev), i);
1029 continue;
1030 }
1031
1032 c = &ic->ic_channels[ic->ic_nchans++];
1033
1034 *c = *cent;
1035 c->ic_extieee = ext->ic_ieee;
1036 c->ic_flags &= ~IEEE80211_CHAN_HT;
1037 c->ic_flags |= IEEE80211_CHAN_HT40U;
1038
1039 c = &ic->ic_channels[ic->ic_nchans++];
1040
1041 *c = *ext;
1042 c->ic_extieee = cent->ic_ieee;
1043 c->ic_flags &= ~IEEE80211_CHAN_HT;
1044 c->ic_flags |= IEEE80211_CHAN_HT40D;
1045 }
1046
1047 /* set supported channels for 5GHz band */
1048
1049 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1050 sc->rf_rev == RT2870_EEPROM_RF_2750)
1051 {
1052 for (i = 36; i <= 64; i += 4)
1053 {
1054 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1055
1056 /* find the center channel */
1057
1058 cent = ieee80211_find_channel_byieee(ic, i,
1059 flags & ~IEEE80211_CHAN_HT);
1060 if (cent == NULL)
1061 {
1062 printf("%s: skip channel %d, could not find center channel\n",
1063 device_get_nameunit(sc->dev), i);
1064 continue;
1065 }
1066
1067 /* find the extension channel */
1068
1069 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1070 flags & ~IEEE80211_CHAN_HT);
1071 if (ext == NULL)
1072 {
1073 printf("%s: skip channel %d, could not find extension channel\n",
1074 device_get_nameunit(sc->dev), i);
1075 continue;
1076 }
1077
1078 c = &ic->ic_channels[ic->ic_nchans++];
1079
1080 *c = *cent;
1081 c->ic_extieee = ext->ic_ieee;
1082 c->ic_flags &= ~IEEE80211_CHAN_HT;
1083 c->ic_flags |= IEEE80211_CHAN_HT40U;
1084
1085 c = &ic->ic_channels[ic->ic_nchans++];
1086
1087 *c = *ext;
1088 c->ic_extieee = cent->ic_ieee;
1089 c->ic_flags &= ~IEEE80211_CHAN_HT;
1090 c->ic_flags |= IEEE80211_CHAN_HT40D;
1091 }
1092
1093 for (i = 100; i <= 140; i += 4)
1094 {
1095 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1096
1097 /* find the center channel */
1098
1099 cent = ieee80211_find_channel_byieee(ic, i,
1100 flags & ~IEEE80211_CHAN_HT);
1101 if (cent == NULL)
1102 {
1103 printf("%s: skip channel %d, could not find center channel\n",
1104 device_get_nameunit(sc->dev), i);
1105 continue;
1106 }
1107
1108 /* find the extension channel */
1109
1110 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1111 flags & ~IEEE80211_CHAN_HT);
1112 if (ext == NULL)
1113 {
1114 printf("%s: skip channel %d, could not find extension channel\n",
1115 device_get_nameunit(sc->dev), i);
1116 continue;
1117 }
1118
1119 c = &ic->ic_channels[ic->ic_nchans++];
1120
1121 *c = *cent;
1122 c->ic_extieee = ext->ic_ieee;
1123 c->ic_flags &= ~IEEE80211_CHAN_HT;
1124 c->ic_flags |= IEEE80211_CHAN_HT40U;
1125
1126 c = &ic->ic_channels[ic->ic_nchans++];
1127
1128 *c = *ext;
1129 c->ic_extieee = cent->ic_ieee;
1130 c->ic_flags &= ~IEEE80211_CHAN_HT;
1131 c->ic_flags |= IEEE80211_CHAN_HT40D;
1132 }
1133
1134 for (i = 149; i <= 165; i += 4)
1135 {
1136 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1137
1138 /* find the center channel */
1139
1140 cent = ieee80211_find_channel_byieee(ic, i,
1141 flags & ~IEEE80211_CHAN_HT);
1142 if (cent == NULL)
1143 {
1144 printf("%s: skip channel %d, could not find center channel\n",
1145 device_get_nameunit(sc->dev), i);
1146 continue;
1147 }
1148
1149 /* find the extension channel */
1150
1151 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1152 flags & ~IEEE80211_CHAN_HT);
1153 if (ext == NULL)
1154 {
1155 printf("%s: skip channel %d, could not find extension channel\n",
1156 device_get_nameunit(sc->dev), i);
1157 continue;
1158 }
1159
1160 c = &ic->ic_channels[ic->ic_nchans++];
1161
1162 *c = *cent;
1163 c->ic_extieee = ext->ic_ieee;
1164 c->ic_flags &= ~IEEE80211_CHAN_HT;
1165 c->ic_flags |= IEEE80211_CHAN_HT40U;
1166
1167 c = &ic->ic_channels[ic->ic_nchans++];
1168
1169 *c = *ext;
1170 c->ic_extieee = cent->ic_ieee;
1171 c->ic_flags &= ~IEEE80211_CHAN_HT;
1172 c->ic_flags |= IEEE80211_CHAN_HT40D;
1173 }
1174 }
1175 }
1176
1177 /*
1178 * rt2870_init_locked
1179 */
1180 static void rt2870_init_locked(void *priv)
1181 {
1182 struct rt2870_softc *sc;
1183 struct ifnet *ifp;
1184 struct ieee80211com *ic;
1185 int ntries, error, i;
1186 uint32_t tmp, stacnt[6];
1187
1188 sc = priv;
1189 ifp = sc->ifp;
1190 ic = ifp->if_l2com;
1191
1192 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1193 "%s: initializing\n",
1194 device_get_nameunit(sc->dev));
1195
1196 RT2870_SOFTC_ASSERT_LOCKED(sc);
1197
1198 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1199 {
1200 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1201 "%s: loading 8051 microcode\n",
1202 device_get_nameunit(sc->dev));
1203
1204 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1205 if (error != 0)
1206 {
1207 printf("%s: could not load 8051 microcode\n",
1208 device_get_nameunit(sc->dev));
1209 goto fail;
1210 }
1211
1212 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1213 "%s: 8051 microcode was successfully loaded\n",
1214 device_get_nameunit(sc->dev));
1215
1216 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1217 }
1218
1219 /* wait while DMA engine is busy */
1220
1221 for (ntries = 0; ntries < 100; ntries++)
1222 {
1223 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1224 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1225 break;
1226
1227 DELAY(1000);
1228 }
1229
1230 if (ntries == 100)
1231 {
1232 printf("%s: timeout waiting for DMA engine\n",
1233 device_get_nameunit(sc->dev));
1234 goto fail;
1235 }
1236
1237 tmp &= 0xff0;
1238 tmp |= RT2870_REG_TX_WB_DDONE;
1239
1240 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1241
1242 /* PBF hardware reset */
1243
1244 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1245
1246 tmp &= ~(1 << 13);
1247
1248 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1249
1250 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1251 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1252
1253 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1254
1255 rt2870_io_mcu_reset(sc);
1256
1257 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1258
1259 /* init Tx power per rate */
1260
1261 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1262 {
1263 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1264 continue;
1265
1266 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1267 sc->txpow_rate_20mhz[i]);
1268 }
1269
1270 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1271 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1272 rt2870_def_mac[i].val);
1273
1274 /* wait while MAC is busy */
1275
1276 for (ntries = 0; ntries < 100; ntries++)
1277 {
1278 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1279 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1280 break;
1281
1282 DELAY(1000);
1283 }
1284
1285 if (ntries == 100)
1286 {
1287 printf("%s: timeout waiting for MAC\n",
1288 device_get_nameunit(sc->dev));
1289 goto fail;
1290 }
1291
1292 /* clear Host to MCU mailbox */
1293
1294 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1295 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1296
1297 DELAY(1000);
1298
1299 error = rt2870_init_bbp(sc);
1300 if (error != 0)
1301 goto fail;
1302
1303 /* set up maximum buffer sizes */
1304
1305 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1306
1307 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1308
1309 if (sc->mac_rev == 0x28720200)
1310 {
1311 /* set max. PSDU length from 16K to 32K bytes */
1312
1313 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1314
1315 tmp &= ~(3 << 12);
1316 tmp |= (2 << 12);
1317
1318 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1319 }
1320
1321 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1322 {
1323 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1324
1325 tmp &= 0xfff;
1326 tmp |= 0x2000;
1327
1328 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1329 }
1330
1331 /* set mac address */
1332
1333 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1334
1335 /* clear statistic registers */
1336
1337 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1338 stacnt, sizeof(stacnt));
1339
1340 /* send LEDs operating mode to microcontroller */
1341
1342 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1343 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1344 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1345 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1346 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1347 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1348
1349 /* write vendor-specific BBP values (from EEPROM) */
1350
1351 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1352 {
1353 if (sc->bbp_eeprom[i].reg == 0x00 ||
1354 sc->bbp_eeprom[i].reg == 0xff)
1355 continue;
1356
1357 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1358 sc->bbp_eeprom[i].val);
1359 }
1360
1361 /* disable non-existing Rx chains */
1362
1363 tmp = rt2870_io_bbp_read(sc, 3);
1364
1365 tmp &= ~((1 << 4) | (1 << 3));
1366
1367 if (sc->nrxpath == 3)
1368 tmp |= (1 << 4);
1369 else if (sc->nrxpath == 2)
1370 tmp |= (1 << 3);
1371
1372 rt2870_io_bbp_write(sc, 3, tmp);
1373
1374 /* disable non-existing Tx chains */
1375
1376 tmp = rt2870_io_bbp_read(sc, 1);
1377
1378 tmp &= ~((1 << 4) | (1 << 3));
1379
1380 if (sc->ntxpath == 2)
1381 tmp |= (1 << 4);
1382
1383 rt2870_io_bbp_write(sc, 1, tmp);
1384
1385 /* set current channel */
1386
1387 rt2870_rf_set_chan(sc, ic->ic_curchan);
1388
1389 /* turn radio LED on */
1390
1391 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1392
1393 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1394 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1395
1396 /* set RTS threshold */
1397
1398 rt2870_asic_update_rtsthreshold(sc);
1399
1400 /* set Tx power */
1401
1402 rt2870_asic_update_txpower(sc);
1403
1404 /* set up protection mode */
1405
1406 sc->tx_ampdu_sessions = 0;
1407
1408 rt2870_asic_updateprot(sc);
1409
1410 /* clear beacon frame space (entries = 8, entry size = 512) */
1411
1412 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1413
1414 if (rt2870_txrx_enable(sc) != 0)
1415 goto fail;
1416
1417 /* clear garbage interrupts */
1418
1419 tmp = rt2870_io_mac_read(sc, 0x1300);
1420
1421 taskqueue_unblock(sc->taskqueue);
1422
1423 /* init Tx and Rx rings */
1424
1425 for(i = 0; i < sc->usb_endpoints - 1; i++)
1426 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1427
1428 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1429
1430 for(i = 0; i < sc->usb_endpoints - 1; i++)
1431 {
1432 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1433 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1434 }
1435
1436 /* start up the receive pipe */
1437
1438 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1439 usbd_transfer_start(sc->usb_xfer[0]);
1440
1441 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1442 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1443
1444 sc->periodic_round = 0;
1445
1446 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1447
1448 return;
1449
1450 fail:
1451
1452 rt2870_stop_locked(sc);
1453 }
1454
1455 /*
1456 * rt2870_init
1457 */
1458 static void rt2870_init(void *priv)
1459 {
1460 struct rt2870_softc *sc;
1461
1462 sc = priv;
1463
1464 RT2870_SOFTC_LOCK(sc);
1465
1466 rt2870_init_locked(sc);
1467
1468 RT2870_SOFTC_UNLOCK(sc);
1469 }
1470
1471 /*
1472 * rt2870_init_bbp
1473 */
1474 static int rt2870_init_bbp(struct rt2870_softc *sc)
1475 {
1476 int ntries, i;
1477 uint8_t tmp;
1478
1479 for (ntries = 0; ntries < 20; ntries++)
1480 {
1481 tmp = rt2870_io_bbp_read(sc, 0);
1482 if (tmp != 0x00 && tmp != 0xff)
1483 break;
1484 }
1485
1486 if (tmp == 0x00 || tmp == 0xff)
1487 {
1488 printf("%s: timeout waiting for BBP to wakeup\n",
1489 device_get_nameunit(sc->dev));
1490 return ETIMEDOUT;
1491 }
1492
1493 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1494 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1495 rt2870_def_bbp[i].val);
1496
1497 if ((sc->mac_rev & 0xffff) != 0x0101)
1498 rt2870_io_bbp_write(sc, 84, 0x19);
1499
1500 if (sc->mac_rev == 0x28600100)
1501 {
1502 rt2870_io_bbp_write(sc, 69, 0x16);
1503 rt2870_io_bbp_write(sc, 73, 0x12);
1504 }
1505
1506 return 0;
1507 }
1508
1509 /*
1510 * rt2870_stop_locked
1511 */
1512 static void rt2870_stop_locked(void *priv)
1513 {
1514 struct rt2870_softc *sc;
1515 struct ifnet *ifp;
1516 struct ieee80211com *ic;
1517 uint32_t tmp;
1518 int i;
1519
1520 sc = priv;
1521 ifp = sc->ifp;
1522 ic = ifp->if_l2com;
1523
1524 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1525 "%s: stopping\n",
1526 device_get_nameunit(sc->dev));
1527
1528 RT2870_SOFTC_ASSERT_LOCKED(sc);
1529
1530 sc->tx_timer = 0;
1531
1532 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1533 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1534
1535 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1536
1537 callout_stop(&sc->periodic_ch);
1538 callout_stop(&sc->tx_watchdog_ch);
1539
1540 RT2870_SOFTC_UNLOCK(sc);
1541
1542 taskqueue_block(sc->taskqueue);
1543
1544 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1545 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1546 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1547 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1548
1549 RT2870_SOFTC_LOCK(sc);
1550
1551 /* clear key tables */
1552
1553 rt2870_asic_clear_keytables(sc);
1554
1555 /* disable Tx/Rx */
1556
1557 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1558
1559 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1560
1561 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1562
1563 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1564
1565 /* reset adapter */
1566
1567 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1568 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1569 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1570
1571 /* abort any pending transfers */
1572
1573 for (i = 0; i < sc->usb_endpoints; i++)
1574 usbd_transfer_stop(sc->usb_xfer[i]);
1575 }
1576
1577 /*
1578 * rt2870_stop
1579 */
1580 static void rt2870_stop(void *priv)
1581 {
1582 struct rt2870_softc *sc;
1583
1584 sc = priv;
1585
1586 RT2870_SOFTC_LOCK(sc);
1587
1588 rt2870_stop_locked(sc);
1589
1590 RT2870_SOFTC_UNLOCK(sc);
1591 }
1592
1593 /*
1594 * rt2870_start
1595 */
1596 static void rt2870_start(struct ifnet *ifp)
1597 {
1598 struct rt2870_softc *sc;
1599 struct ieee80211_node *ni;
1600 struct mbuf *m;
1601 int qid;
1602
1603 sc = ifp->if_softc;
1604
1605 RT2870_SOFTC_LOCK(sc);
1606
1607 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1608 {
1609 RT2870_SOFTC_UNLOCK(sc);
1610 return;
1611 }
1612
1613 for (;;)
1614 {
1615 IF_POLL(&ifp->if_snd, m);
1616 if (m == NULL)
1617 break;
1618
1619 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1620
1621 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1622
1623 qid = M_WME_GETAC(m);
1624
1625 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1626 {
1627 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1628 "%s: if_start: Tx ring with qid=%d is full\n",
1629 device_get_nameunit(sc->dev), qid);
1630
1631 m_freem(m);
1632 ieee80211_free_node(ni);
1633
1634 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1635 ifp->if_oerrors++;
1636
1637 sc->tx_data_queue_full[qid]++;
1638
1639 break;
1640 }
1641
1642 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1643 {
1644 ieee80211_free_node(ni);
1645 ifp->if_oerrors++;
1646 break;
1647 }
1648
1649 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1650
1651 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1652 }
1653
1654 RT2870_SOFTC_UNLOCK(sc);
1655 }
1656
1657 /*
1658 * rt2870_ioctl
1659 */
1660 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1661 {
1662 struct rt2870_softc *sc;
1663 struct ieee80211com *ic;
1664 struct ifreq *ifr;
1665 int error, startall;
1666
1667 sc = ifp->if_softc;
1668 ic = ifp->if_l2com;
1669 ifr = (struct ifreq *) data;
1670
1671 error = 0;
1672
1673 switch (cmd)
1674 {
1675 case SIOCSIFFLAGS:
1676 startall = 0;
1677
1678 RT2870_SOFTC_LOCK(sc);
1679
1680 if (ifp->if_flags & IFF_UP)
1681 {
1682 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1683 {
1684 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1685 rt2870_asic_update_promisc(sc);
1686 }
1687 else
1688 {
1689 rt2870_init_locked(sc);
1690 startall = 1;
1691 }
1692 }
1693 else
1694 {
1695 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1696 rt2870_stop_locked(sc);
1697 }
1698
1699 sc->if_flags = ifp->if_flags;
1700
1701 RT2870_SOFTC_UNLOCK(sc);
1702
1703 if (startall)
1704 ieee80211_start_all(ic);
1705 break;
1706
1707 case SIOCGIFMEDIA:
1708 case SIOCSIFMEDIA:
1709 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1710 break;
1711
1712 case SIOCGIFADDR:
1713 error = ether_ioctl(ifp, cmd, data);
1714 break;
1715
1716 default:
1717 error = EINVAL;
1718 break;
1719 }
1720
1721 return error;
1722 }
1723
1724 /*
1725 * rt2870_vap_create
1726 */
1727 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1728 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1729 const uint8_t bssid[IEEE80211_ADDR_LEN],
1730 const uint8_t mac[IEEE80211_ADDR_LEN])
1731 {
1732 struct rt2870_softc *sc;
1733 struct ifnet *ifp;
1734 struct rt2870_softc_vap *rvap;
1735 struct ieee80211vap *vap;
1736
1737 ifp = ic->ic_ifp;
1738 sc = ifp->if_softc;
1739
1740 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1741 "%s: VAP create: opmode=%s\n",
1742 device_get_nameunit(sc->dev),
1743 ieee80211_opmode_name[opmode]);
1744
1745 switch (opmode)
1746 {
1747 case IEEE80211_M_IBSS:
1748 case IEEE80211_M_STA:
1749 case IEEE80211_M_AHDEMO:
1750 case IEEE80211_M_HOSTAP:
1751 case IEEE80211_M_MBSS:
1752 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1753 {
1754 if_printf(ifp, "only 1 VAP supported\n");
1755 return NULL;
1756 }
1757
1758 if (opmode == IEEE80211_M_STA)
1759 flags |= IEEE80211_CLONE_NOBEACONS;
1760 break;
1761
1762 case IEEE80211_M_WDS:
1763 if (sc->napvaps == 0)
1764 {
1765 if_printf(ifp, "WDS only supported in AP mode\n");
1766 return NULL;
1767 }
1768 break;
1769
1770 case IEEE80211_M_MONITOR:
1771 break;
1772
1773 default:
1774 if_printf(ifp, "unknown opmode %d\n", opmode);
1775 return NULL;
1776 }
1777
1778 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1779 M_80211_VAP, M_NOWAIT | M_ZERO);
1780 if (rvap == NULL)
1781 return NULL;
1782
1783 vap = &rvap->vap;
1784
1785 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1786
1787 rvap->newstate = vap->iv_newstate;
1788 vap->iv_newstate = rt2870_vap_newstate;
1789
1790 vap->iv_reset = rt2870_vap_reset;
1791 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1792 vap->iv_key_update_end = rt2870_vap_key_update_end;
1793 vap->iv_key_set = rt2870_vap_key_set;
1794 vap->iv_key_delete = rt2870_vap_key_delete;
1795 vap->iv_update_beacon = rt2870_vap_update_beacon;
1796
1797 rt2870_amrr_init(&rvap->amrr, vap,
1798 sc->ntxpath,
1799 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1800 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1801 500);
1802
1803 vap->iv_max_aid = RT2870_SOFTC_STAID_COUNT;
1804
1805 /* override default Rx A-MPDU factor */
1806
1807 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1808 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1809 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1810
1811 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1812
1813 switch (vap->iv_opmode)
1814 {
1815 case IEEE80211_M_HOSTAP:
1816 case IEEE80211_M_MBSS:
1817 case IEEE80211_M_AHDEMO:
1818 sc->napvaps++;
1819 break;
1820
1821 case IEEE80211_M_IBSS:
1822 sc->nadhocvaps++;
1823 break;
1824
1825 case IEEE80211_M_STA:
1826 sc->nstavaps++;
1827 break;
1828
1829 case IEEE80211_M_WDS:
1830 sc->nwdsvaps++;
1831 break;
1832
1833 default:
1834 break;
1835 }
1836
1837 sc->nvaps++;
1838
1839 if (sc->napvaps > 0)
1840 ic->ic_opmode = IEEE80211_M_HOSTAP;
1841 else if (sc->nadhocvaps > 0)
1842 ic->ic_opmode = IEEE80211_M_IBSS;
1843 else if (sc->nstavaps > 0)
1844 ic->ic_opmode = IEEE80211_M_STA;
1845 else
1846 ic->ic_opmode = opmode;
1847
1848 return vap;
1849 }
1850
1851 /*
1852 * rt2870_vap_delete
1853 */
1854 static void rt2870_vap_delete(struct ieee80211vap *vap)
1855 {
1856 struct rt2870_softc *sc;
1857 struct ieee80211com *ic;
1858 struct ifnet *ifp;
1859 struct rt2870_softc_vap *rvap;
1860 enum ieee80211_opmode opmode;
1861
1862 ic = vap->iv_ic;
1863 ifp = ic->ic_ifp;
1864 sc = ifp->if_softc;
1865 rvap = (struct rt2870_softc_vap *) vap;
1866 opmode = vap->iv_opmode;
1867
1868 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1869 "%s: VAP delete: opmode=%s\n",
1870 device_get_nameunit(sc->dev),
1871 ieee80211_opmode_name[opmode]);
1872
1873 rt2870_amrr_cleanup(&rvap->amrr);
1874
1875 ieee80211_vap_detach(vap);
1876
1877 if (rvap->beacon_mbuf != NULL)
1878 {
1879 m_free(rvap->beacon_mbuf);
1880 rvap->beacon_mbuf = NULL;
1881 }
1882
1883 switch (opmode)
1884 {
1885 case IEEE80211_M_HOSTAP:
1886 case IEEE80211_M_MBSS:
1887 case IEEE80211_M_AHDEMO:
1888 sc->napvaps--;
1889 break;
1890
1891 case IEEE80211_M_IBSS:
1892 sc->nadhocvaps--;
1893 break;
1894
1895 case IEEE80211_M_STA:
1896 sc->nstavaps--;
1897 break;
1898
1899 case IEEE80211_M_WDS:
1900 sc->nwdsvaps--;
1901 break;
1902
1903 default:
1904 break;
1905 }
1906
1907 sc->nvaps--;
1908
1909 if (sc->napvaps > 0)
1910 ic->ic_opmode = IEEE80211_M_HOSTAP;
1911 else if (sc->nadhocvaps > 0)
1912 ic->ic_opmode = IEEE80211_M_IBSS;
1913 else if (sc->nstavaps > 0)
1914 ic->ic_opmode = IEEE80211_M_STA;
1915
1916 free(rvap, M_80211_VAP);
1917 }
1918
1919 /*
1920 * rt2870_reset_vap
1921 */
1922 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1923 {
1924 struct rt2870_softc *sc;
1925 struct ieee80211com *ic;
1926 struct ifnet *ifp;
1927 struct rt2870_softc_vap *rvap;
1928 int error;
1929
1930 ic = vap->iv_ic;
1931 ifp = ic->ic_ifp;
1932 sc = ifp->if_softc;
1933 rvap = (struct rt2870_softc_vap *) vap;
1934
1935 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1936 "%s: VAP reset: cmd=%lu\n",
1937 device_get_nameunit(sc->dev), cmd);
1938
1939 error = 0;
1940
1941 RT2870_SOFTC_LOCK(sc);
1942
1943 switch (cmd)
1944 {
1945 case IEEE80211_IOC_RTSTHRESHOLD:
1946 case IEEE80211_IOC_AMSDU:
1947 rt2870_asic_update_rtsthreshold(sc);
1948 break;
1949
1950 case IEEE80211_IOC_PROTMODE:
1951 case IEEE80211_IOC_HTPROTMODE:
1952 rt2870_asic_updateprot(sc);
1953 break;
1954
1955 case IEEE80211_IOC_TXPOWER:
1956 rt2870_asic_update_txpower(sc);
1957 break;
1958
1959 case IEEE80211_IOC_BURST:
1960 rt2870_asic_updateslot(sc);
1961 break;
1962
1963 case IEEE80211_IOC_SHORTGI:
1964 case IEEE80211_IOC_AMPDU_DENSITY:
1965 case IEEE80211_IOC_SMPS:
1966 break;
1967
1968 default:
1969 error = ENETRESET;
1970 break;
1971 }
1972
1973 RT2870_SOFTC_UNLOCK(sc);
1974
1975 return error;
1976 }
1977
1978 /*
1979 * rt2870_vap_newstate
1980 */
1981 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1982 enum ieee80211_state nstate, int arg)
1983 {
1984 struct rt2870_softc *sc;
1985 struct ieee80211com *ic;
1986 struct ifnet *ifp;
1987 struct rt2870_softc_vap *rvap;
1988 struct ieee80211_node *ni;
1989 int error;
1990
1991 ic = vap->iv_ic;
1992 ifp = ic->ic_ifp;
1993 sc = ifp->if_softc;
1994 rvap = (struct rt2870_softc_vap *) vap;
1995
1996 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1997 "%s: VAP newstate: %s -> %s\n",
1998 device_get_nameunit(sc->dev),
1999 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
2000
2001 error = rvap->newstate(vap, nstate, arg);
2002 if (error != 0)
2003 return error;
2004
2005 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2006 return error;
2007
2008 IEEE80211_UNLOCK(ic);
2009
2010 RT2870_SOFTC_LOCK(sc);
2011
2012 /* turn link LED off */
2013
2014 if (nstate != IEEE80211_S_RUN)
2015 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2016
2017 switch (nstate)
2018 {
2019 case IEEE80211_S_INIT:
2020 rt2870_asic_disable_tsf_sync(sc);
2021 break;
2022
2023 case IEEE80211_S_RUN:
2024 ni = vap->iv_bss;
2025
2026 rt2870_rf_set_chan(sc, ni->ni_chan);
2027
2028 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2029 {
2030 rt2870_asic_enable_mrr(sc);
2031 rt2870_asic_set_txpreamble(sc);
2032 rt2870_asic_set_basicrates(sc);
2033 rt2870_asic_update_txpower(sc);
2034 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2035 }
2036
2037 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2038 vap->iv_opmode == IEEE80211_M_IBSS ||
2039 vap->iv_opmode == IEEE80211_M_MBSS)
2040 {
2041 error = rt2870_beacon_alloc(sc, vap);
2042 if (error != 0)
2043 break;
2044
2045 rt2870_asic_update_beacon(sc, vap);
2046 }
2047
2048 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2049 rt2870_asic_enable_tsf_sync(sc);
2050
2051 /* turn link LED on */
2052
2053 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2054 {
2055 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2056 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2057 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2058 }
2059 break;
2060
2061 default:
2062 break;
2063 }
2064
2065 RT2870_SOFTC_UNLOCK(sc);
2066
2067 IEEE80211_LOCK(ic);
2068
2069 return error;
2070 }
2071
2072 /*
2073 * rt2870_vap_key_update_begin
2074 */
2075 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
2076 {
2077 struct rt2870_softc *sc;
2078 struct ieee80211com *ic;
2079 struct ifnet *ifp;
2080
2081 ic = vap->iv_ic;
2082 ifp = ic->ic_ifp;
2083 sc = ifp->if_softc;
2084
2085 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2086 "%s: VAP key update begin\n",
2087 device_get_nameunit(sc->dev));
2088
2089 taskqueue_block(sc->taskqueue);
2090
2091 IF_LOCK(&ifp->if_snd);
2092 }
2093
2094 /*
2095 * rt2870_vap_key_update_end
2096 */
2097 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
2098 {
2099 struct rt2870_softc *sc;
2100 struct ieee80211com *ic;
2101 struct ifnet *ifp;
2102
2103 ic = vap->iv_ic;
2104 ifp = ic->ic_ifp;
2105 sc = ifp->if_softc;
2106
2107 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2108 "%s: VAP key update end\n",
2109 device_get_nameunit(sc->dev));
2110
2111 IF_UNLOCK(&ifp->if_snd);
2112
2113 taskqueue_unblock(sc->taskqueue);
2114 }
2115
2116 /*
2117 * rt2870_vap_key_set
2118 */
2119 static int rt2870_vap_key_set(struct ieee80211vap *vap,
2120 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2121 {
2122 struct rt2870_softc *sc;
2123 struct ieee80211com *ic;
2124 struct ifnet *ifp;
2125 struct ieee80211_node *ni;
2126 struct rt2870_softc_node *rni;
2127 struct rt2870_cmd_argv_keyset cmd_argv;
2128
2129 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2130 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2131 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2132 return 0;
2133
2134 ic = vap->iv_ic;
2135 ifp = ic->ic_ifp;
2136 sc = ifp->if_softc;
2137
2138 cmd_argv.opmode = vap->iv_opmode;
2139
2140 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2141
2142 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2143 {
2144 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2145 rni = (struct rt2870_softc_node *) ni;
2146
2147 cmd_argv.staid = rni->staid;
2148
2149 ieee80211_free_node(ni);
2150 }
2151
2152 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2153 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2154
2155 return 1;
2156 }
2157
2158 /*
2159 * rt2870_vap_key_delete
2160 */
2161 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2162 const struct ieee80211_key *k)
2163 {
2164 struct rt2870_softc *sc;
2165 struct ieee80211com *ic;
2166 struct ifnet *ifp;
2167 struct rt2870_cmd_argv_keydelete cmd_argv;
2168
2169 ic = vap->iv_ic;
2170 ifp = ic->ic_ifp;
2171 sc = ifp->if_softc;
2172
2173 cmd_argv.opmode = vap->iv_opmode;
2174
2175 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2176
2177 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2178 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2179
2180 return 1;
2181 }
2182
2183 /*
2184 * rt2870_vap_update_beacon
2185 */
2186 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2187 {
2188 struct rt2870_softc *sc;
2189 struct ieee80211com *ic;
2190 struct ifnet *ifp;
2191 struct rt2870_softc_vap *rvap;
2192 struct mbuf *m;
2193 struct ieee80211_beacon_offsets *bo;
2194
2195 ic = vap->iv_ic;
2196 ifp = ic->ic_ifp;
2197 sc = ifp->if_softc;
2198 rvap = (struct rt2870_softc_vap *) vap;
2199 m = rvap->beacon_mbuf;
2200 bo = &rvap->beacon_offsets;
2201
2202 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2203 "%s: VAP update beacon: what=%d\n",
2204 device_get_nameunit(sc->dev), what);
2205
2206 setbit(bo->bo_flags, what);
2207
2208 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2209
2210 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2211 }
2212
2213 /*
2214 * rt2870_node_alloc
2215 */
2216 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2217 const uint8_t mac[IEEE80211_ADDR_LEN])
2218 {
2219 return malloc(sizeof(struct rt2870_softc_node),
2220 M_80211_NODE, M_NOWAIT | M_ZERO);
2221 }
2222
2223 /*
2224 * rt2870_node_cleanup
2225 */
2226 static void rt2870_node_cleanup(struct ieee80211_node *ni)
2227 {
2228 struct rt2870_softc *sc;
2229 struct ieee80211com *ic;
2230 struct ifnet *ifp;
2231 struct rt2870_softc_node *rni;
2232 struct rt2870_cmd_argv_nodecleanup cmd_argv;
2233
2234 ic = ni->ni_ic;
2235 ifp = ic->ic_ifp;
2236 sc = ifp->if_softc;
2237 rni = (struct rt2870_softc_node *) ni;
2238
2239 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2240 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2241 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2242 ni->ni_associd, rni->staid);
2243
2244 if (rni->staid != 0)
2245 {
2246 cmd_argv.staid = rni->staid;
2247
2248 rni->staid = 0;
2249
2250 rt2870_do_async(sc, rt2870_node_cleanup_cb,
2251 &cmd_argv, sizeof(struct rt2870_cmd_argv_nodecleanup));
2252 }
2253
2254 sc->node_cleanup(ni);
2255 }
2256
2257 /*
2258 * rt2870_node_getmimoinfo
2259 */
2260 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2261 struct ieee80211_mimo_info *mi)
2262 {
2263 const struct rt2870_softc_node *rni;
2264 int i;
2265
2266 rni = (const struct rt2870_softc_node *) ni;
2267
2268 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2269 {
2270 mi->rssi[i] = rni->last_rssi_dbm[i];
2271 mi->noise[i] = RT2870_NOISE_FLOOR;
2272 }
2273 }
2274
2275 /*
2276 * rt2870_setregdomain
2277 */
2278 static int rt2870_setregdomain(struct ieee80211com *ic,
2279 struct ieee80211_regdomain *reg,
2280 int nchans, struct ieee80211_channel chans[])
2281 {
2282 struct rt2870_softc *sc;
2283 struct ifnet *ifp;
2284
2285 ifp = ic->ic_ifp;
2286 sc = ifp->if_softc;
2287
2288 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2289 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2290 device_get_nameunit(sc->dev),
2291 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2292
2293 return 0;
2294 }
2295
2296 /*
2297 * rt2870_getradiocaps
2298 */
2299 static void rt2870_getradiocaps(struct ieee80211com *ic,
2300 int maxchans, int *nchans, struct ieee80211_channel chans[])
2301 {
2302 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2303
2304 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2305 }
2306
2307 /*
2308 * rt2870_scan_start
2309 */
2310 static void rt2870_scan_start(struct ieee80211com *ic)
2311 {
2312 struct rt2870_softc *sc;
2313 struct ifnet *ifp;
2314
2315 ifp = ic->ic_ifp;
2316 sc = ifp->if_softc;
2317
2318 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2319 return;
2320
2321 RT2870_SOFTC_LOCK(sc);
2322
2323 rt2870_asic_disable_tsf_sync(sc);
2324
2325 RT2870_SOFTC_UNLOCK(sc);
2326 }
2327
2328 /*
2329 * rt2870_scan_end
2330 */
2331 static void rt2870_scan_end(struct ieee80211com *ic)
2332 {
2333 struct rt2870_softc *sc;
2334 struct ifnet *ifp;
2335
2336 ifp = ic->ic_ifp;
2337 sc = ifp->if_softc;
2338
2339 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2340 return;
2341
2342 RT2870_SOFTC_LOCK(sc);
2343
2344 rt2870_asic_enable_tsf_sync(sc);
2345
2346 RT2870_SOFTC_UNLOCK(sc);
2347 }
2348
2349 /*
2350 * rt2870_set_channel
2351 */
2352 static void rt2870_set_channel(struct ieee80211com *ic)
2353 {
2354 struct rt2870_softc *sc;
2355 struct ifnet *ifp;
2356
2357 ifp = ic->ic_ifp;
2358 sc = ifp->if_softc;
2359
2360 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2361 return;
2362
2363 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2364 "%s: set channel: channel=%u, HT%s%s\n",
2365 device_get_nameunit(sc->dev),
2366 ieee80211_chan2ieee(ic, ic->ic_curchan),
2367 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2368 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2369 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2370 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2371
2372 RT2870_SOFTC_LOCK(sc);
2373
2374 rt2870_rf_set_chan(sc, ic->ic_curchan);
2375
2376 RT2870_SOFTC_UNLOCK(sc);
2377 }
2378
2379 /*
2380 * rt2870_newassoc
2381 */
2382 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2383 {
2384 struct rt2870_softc *sc;
2385 struct ieee80211com *ic;
2386 struct ifnet *ifp;
2387 struct ieee80211vap *vap;
2388 struct rt2870_softc_vap *rvap;
2389 struct rt2870_softc_node *rni;
2390 uint16_t aid;
2391 uint8_t wcid;
2392
2393 vap = ni->ni_vap;
2394 ic = vap->iv_ic;
2395 ifp = ic->ic_ifp;
2396 sc = ifp->if_softc;
2397 rvap = (struct rt2870_softc_vap *) vap;
2398 rni = (struct rt2870_softc_node *) ni;
2399
2400 if (isnew)
2401 {
2402 aid = IEEE80211_AID(ni->ni_associd);
2403 rni->staid = rt2870_staid_alloc(sc, aid);
2404 wcid = rni->staid;
2405
2406 RT2870_SOFTC_LOCK(sc);
2407
2408 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2409 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2410
2411 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2412
2413 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2414 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2415 device_get_nameunit(sc->dev),
2416 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2417 ni->ni_associd, ni->ni_txrate,
2418 (ni->ni_flags & IEEE80211_NODE_HT) ?
2419 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2420 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2421
2422 rt2870_asic_updateprot(sc);
2423 rt2870_asic_updateslot(sc);
2424 rt2870_asic_set_txpreamble(sc);
2425
2426 RT2870_SOFTC_UNLOCK(sc);
2427 }
2428
2429 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2430 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2431 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2432 ni->ni_associd, rni->staid,
2433 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2434 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2435 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2436 }
2437
2438 /*
2439 * rt2870_updateslot
2440 */
2441 static void rt2870_updateslot(struct ifnet *ifp)
2442 {
2443 struct rt2870_softc *sc;
2444
2445 sc = ifp->if_softc;
2446
2447 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2448 }
2449
2450 /*
2451 * rt2870_update_promisc
2452 */
2453 static void rt2870_update_promisc(struct ifnet *ifp)
2454 {
2455 struct rt2870_softc *sc;
2456
2457 sc = ifp->if_softc;
2458
2459 RT2870_SOFTC_LOCK(sc);
2460
2461 rt2870_asic_update_promisc(sc);
2462
2463 RT2870_SOFTC_UNLOCK(sc);
2464 }
2465
2466 /*
2467 * rt2870_update_mcast
2468 */
2469 static void rt2870_update_mcast(struct ifnet *ifp)
2470 {
2471 struct rt2870_softc *sc;
2472
2473 sc = ifp->if_softc;
2474 }
2475
2476 /*
2477 * rt2870_wme_update
2478 */
2479 static int rt2870_wme_update(struct ieee80211com *ic)
2480 {
2481 struct rt2870_softc *sc;
2482 struct ifnet *ifp;
2483
2484 ifp = ic->ic_ifp;
2485 sc = ifp->if_softc;
2486
2487 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2488
2489 return 0;
2490 }
2491
2492 /*
2493 * rt2870_raw_xmit
2494 */
2495 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2496 const struct ieee80211_bpf_params *params)
2497 {
2498 struct rt2870_softc *sc;
2499 struct ieee80211com *ic;
2500 struct ifnet *ifp;
2501
2502 ic = ni->ni_ic;
2503 ifp = ic->ic_ifp;
2504 sc = ifp->if_softc;
2505
2506 RT2870_SOFTC_LOCK(sc);
2507
2508 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2509 {
2510 RT2870_SOFTC_UNLOCK(sc);
2511
2512 m_freem(m);
2513 ieee80211_free_node(ni);
2514
2515 return ENETDOWN;
2516 }
2517
2518 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2519 {
2520 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2521 "%s: raw xmit: Tx ring with qid=%d is full\n",
2522 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2523
2524 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2525
2526 RT2870_SOFTC_UNLOCK(sc);
2527
2528 m_freem(m);
2529 ieee80211_free_node(ni);
2530
2531 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2532
2533 return ENOBUFS;
2534 }
2535
2536 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2537 {
2538 ifp->if_oerrors++;
2539
2540 RT2870_SOFTC_UNLOCK(sc);
2541
2542 ieee80211_free_node(ni);
2543
2544 return EIO;
2545 }
2546
2547 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2548
2549 RT2870_SOFTC_UNLOCK(sc);
2550
2551 return 0;
2552 }
2553
2554 /*
2555 * rt2870_recv_action
2556 */
2557 static int rt2870_recv_action(struct ieee80211_node *ni,
2558 const struct ieee80211_frame *wh,
2559 const uint8_t *frm, const uint8_t *efrm)
2560 {
2561 struct rt2870_softc *sc;
2562 struct ieee80211com *ic;
2563 struct ifnet *ifp;
2564 struct rt2870_softc_node *rni;
2565 const struct ieee80211_action *ia;
2566 struct ieee80211_tx_ampdu *tx_ampdu;
2567 uint16_t status, baparamset;
2568 uint8_t wcid;
2569 int ret, tid, bufsize, ac;
2570 uint32_t tmp;
2571
2572 ic = ni->ni_ic;
2573 ifp = ic->ic_ifp;
2574 sc = ifp->if_softc;
2575 rni = (struct rt2870_softc_node *) ni;
2576
2577 ia = (const struct ieee80211_action *) frm;
2578
2579 ret = sc->recv_action(ni, wh, frm, efrm);
2580
2581 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2582 return ret;
2583
2584 switch (ia->ia_action)
2585 {
2586 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2587 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2588 status = LE_READ_2(frm + 3);
2589 baparamset = LE_READ_2(frm + 4);
2590 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2591 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2592 ac = TID_TO_WME_AC(tid);
2593 tx_ampdu = &ni->ni_tx_ampdu[ac];
2594
2595 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2596 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2597 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2598
2599 if (sc->mac_rev >= 0x28720200)
2600 {
2601 if (tx_ampdu->txa_wnd > 13)
2602 tx_ampdu->txa_wnd = 13;
2603 }
2604 else
2605 {
2606 if (tx_ampdu->txa_wnd > 7)
2607 tx_ampdu->txa_wnd = 7;
2608 }
2609
2610 if (status == IEEE80211_STATUS_SUCCESS)
2611 {
2612 sc->tx_ampdu_sessions++;
2613
2614 RT2870_SOFTC_LOCK(sc);
2615
2616 rt2870_asic_updateprot(sc);
2617
2618 RT2870_SOFTC_UNLOCK(sc);
2619 }
2620 break;
2621
2622 /* IEEE80211_ACTION_BA_DELBA */
2623 case IEEE80211_ACTION_BA_DELBA:
2624 baparamset = LE_READ_2(frm + 2);
2625 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2626 wcid = rni->staid;
2627
2628 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2629 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2630 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2631
2632 RT2870_SOFTC_LOCK(sc);
2633
2634 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2635
2636 tmp &= ~(0x10000 << tid);
2637
2638 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2639
2640 RT2870_SOFTC_UNLOCK(sc);
2641 break;
2642 }
2643
2644 return ret;
2645 }
2646
2647 /*
2648 * rt2870_send_action
2649 */
2650 static int rt2870_send_action(struct ieee80211_node *ni,
2651 int cat, int act, void *sa)
2652 {
2653 struct rt2870_softc *sc;
2654 struct ieee80211com *ic;
2655 struct ifnet *ifp;
2656 struct rt2870_softc_node *rni;
2657 uint16_t *args, status, baparamset;
2658 uint8_t wcid;
2659 int ret, tid, bufsize;
2660 uint32_t tmp;
2661
2662 ic = ni->ni_ic;
2663 ifp = ic->ic_ifp;
2664 sc = ifp->if_softc;
2665 rni = (struct rt2870_softc_node *) ni;
2666
2667 ret = sc->send_action(ni, cat, act, sa);
2668
2669 if (cat != IEEE80211_ACTION_CAT_BA)
2670 return ret;
2671
2672 wcid = rni->staid;
2673 args = sa;
2674
2675 switch (act)
2676 {
2677 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2678 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2679 status = args[1];
2680 baparamset = args[2];
2681 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2682 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2683
2684 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2685 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2686 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2687
2688 if (status == IEEE80211_STATUS_SUCCESS)
2689 {
2690 RT2870_SOFTC_LOCK(sc);
2691
2692 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2693
2694 tmp |= (0x10000 << tid);
2695
2696 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2697
2698 RT2870_SOFTC_UNLOCK(sc);
2699 }
2700 break;
2701
2702 /* IEEE80211_ACTION_BA_DELBA */
2703 case IEEE80211_ACTION_BA_DELBA:
2704 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2705 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2706
2707 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2708 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2709 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2710
2711 RT2870_SOFTC_LOCK(sc);
2712
2713 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2714 {
2715 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2716
2717 tmp &= ~(0x10000 << tid);
2718
2719 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2720 }
2721 else
2722 {
2723 sc->tx_ampdu_sessions--;
2724
2725 rt2870_asic_updateprot(sc);
2726 }
2727
2728 RT2870_SOFTC_UNLOCK(sc);
2729 break;
2730 }
2731
2732 return ret;
2733 }
2734
2735 /*
2736 * rt2870_amrr_update_iter_func
2737 */
2738 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2739 {
2740 struct rt2870_softc *sc;
2741 struct ieee80211com *ic;
2742 struct ifnet *ifp;
2743 struct ieee80211vap *vap;
2744 struct rt2870_softc_vap *rvap;
2745 struct rt2870_softc_node *rni;
2746 uint8_t wcid;
2747
2748 vap = arg;
2749 ic = vap->iv_ic;
2750 ifp = ic->ic_ifp;
2751 sc = ifp->if_softc;
2752 rvap = (struct rt2870_softc_vap *) vap;
2753 rni = (struct rt2870_softc_node *) ni;
2754
2755 /* only associated stations */
2756
2757 if ((ni->ni_vap == vap) && (rni->staid != 0))
2758 {
2759 wcid = rni->staid;
2760
2761 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2762 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2763 device_get_nameunit(sc->dev),
2764 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2765
2766 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2767
2768 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2769 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
2770 device_get_nameunit(sc->dev),
2771 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2772 ni->ni_associd, rni->staid, ni->ni_txrate,
2773 (ni->ni_flags & IEEE80211_NODE_HT) ?
2774 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2775 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2776 }
2777 }
2778
2779 /*
2780 * rt2870_periodic
2781 */
2782 static void rt2870_periodic(void *arg)
2783 {
2784 struct rt2870_softc *sc;
2785 struct ifnet *ifp;
2786
2787 sc = arg;
2788 ifp = sc->ifp;
2789
2790 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2791 "%s: periodic\n",
2792 device_get_nameunit(sc->dev));
2793
2794 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2795 return;
2796
2797 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2798 }
2799
2800 /*
2801 * rt2870_tx_watchdog
2802 */
2803 static void rt2870_tx_watchdog(void *arg)
2804 {
2805 struct rt2870_softc *sc;
2806 struct ifnet *ifp;
2807
2808 sc = arg;
2809 ifp = sc->ifp;
2810
2811 if (sc->tx_timer == 0)
2812 return;
2813
2814 if (--sc->tx_timer == 0)
2815 {
2816 printf("%s: Tx watchdog timeout: resetting\n",
2817 device_get_nameunit(sc->dev));
2818
2819 rt2870_stop_locked(sc);
2820 rt2870_init_locked(sc);
2821
2822 ifp->if_oerrors++;
2823
2824 sc->tx_watchdog_timeouts++;
2825 }
2826
2827 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2828 }
2829
2830 /*
2831 * rt2870_staid_alloc
2832 */
2833 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid)
2834 {
2835 int staid;
2836
2837 if ((aid > 0 && aid < RT2870_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
2838 {
2839 staid = aid;
2840 }
2841 else
2842 {
2843 for (staid = 1; staid < RT2870_SOFTC_STAID_COUNT; staid++)
2844 {
2845 if (isclr(sc->staid_mask, staid))
2846 break;
2847 }
2848 }
2849
2850 setbit(sc->staid_mask, staid);
2851
2852 return staid;
2853 }
2854
2855 /*
2856 * rt2870_staid_delete
2857 */
2858 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid)
2859 {
2860 clrbit(sc->staid_mask, staid);
2861 }
2862
2863
2864 /*
2865 * rt2870_do_async
2866 */
2867 static int rt2870_do_async(struct rt2870_softc *sc,
2868 void (*cb)(struct rt2870_softc *sc, void *arg),
2869 void *arg, int len)
2870 {
2871 struct ifnet *ifp;
2872 struct rt2870_softc_cmd_ring *ring;
2873 struct rt2870_softc_cmd *cmd;
2874 int run_cmd_task;
2875
2876 ifp = sc->ifp;
2877 ring = &sc->cmd_ring;
2878
2879 RT2870_SOFTC_LOCK(sc);
2880
2881 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2882 {
2883 RT2870_SOFTC_UNLOCK(sc);
2884 return -1;
2885 }
2886
2887 cmd = STAILQ_FIRST(&ring->inactive);
2888 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2889
2890 cmd->cb = cb;
2891
2892 if(arg != NULL)
2893 memcpy(cmd->data, arg, len);
2894
2895 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2896 ring->queued++;
2897
2898 run_cmd_task = (ring->queued == 1);
2899
2900 RT2870_SOFTC_UNLOCK(sc);
2901
2902 if (run_cmd_task)
2903 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2904
2905 return 0;
2906 }
2907
2908 /*
2909 * rt2870_node_cleanup_cb
2910 */
2911 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg)
2912 {
2913 struct ifnet *ifp;
2914 struct ieee80211com *ic;
2915 struct rt2870_cmd_argv_nodecleanup *cmd_argv;
2916 uint8_t staid, vapid, wcid;
2917 uint32_t tmp;
2918
2919 ifp = sc->ifp;
2920 ic = ifp->if_l2com;
2921 cmd_argv = arg;
2922 staid = cmd_argv->staid;
2923
2924 vapid = 0;
2925 wcid = staid;
2926
2927 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2928 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2929
2930 RT2870_SOFTC_LOCK(sc);
2931
2932 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2933
2934 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), 0xffffffff);
2935 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, 0x0000ffff);
2936
2937 rt2870_staid_delete(sc, staid);
2938
2939 RT2870_SOFTC_UNLOCK(sc);
2940 }
2941
2942 /*
2943 * rt2870_updateslot_cb
2944 */
2945 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2946 {
2947 RT2870_SOFTC_LOCK(sc);
2948
2949 rt2870_asic_updateslot(sc);
2950
2951 RT2870_SOFTC_UNLOCK(sc);
2952 }
2953
2954 /*
2955 * rt2870_wme_update_cb
2956 */
2957 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2958 {
2959 RT2870_SOFTC_LOCK(sc);
2960
2961 rt2870_asic_wme_update(sc);
2962
2963 RT2870_SOFTC_UNLOCK(sc);
2964 }
2965
2966 /*
2967 * rt2870_vap_key_set_cb
2968 */
2969 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
2970 {
2971 struct ieee80211com *ic;
2972 struct ifnet *ifp;
2973 struct ieee80211_key *k;
2974 enum ieee80211_opmode opmode;
2975 struct rt2870_cmd_argv_keyset *cmd_argv;
2976 uint16_t key_base, keymode_base;
2977 uint8_t mode, vapid, wcid, iv[8];
2978 uint32_t tmp;
2979
2980 ifp = sc->ifp;
2981 ic = ifp->if_l2com;
2982 cmd_argv = arg;
2983 k = &cmd_argv->key;
2984 opmode = cmd_argv->opmode;
2985
2986 switch (k->wk_cipher->ic_cipher)
2987 {
2988 case IEEE80211_CIPHER_WEP:
2989 if(k->wk_keylen < 8)
2990 mode = RT2870_REG_CIPHER_MODE_WEP40;
2991 else
2992 mode = RT2870_REG_CIPHER_MODE_WEP104;
2993 break;
2994
2995 case IEEE80211_CIPHER_TKIP:
2996 mode = RT2870_REG_CIPHER_MODE_TKIP;
2997 break;
2998
2999 case IEEE80211_CIPHER_AES_CCM:
3000 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
3001 break;
3002
3003 default:
3004 return;
3005 }
3006
3007 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3008 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
3009 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3010 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3011
3012 RT2870_SOFTC_LOCK(sc);
3013
3014 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
3015 {
3016 /* install pairwise key */
3017
3018 vapid = 0;
3019 wcid = cmd_argv->staid;
3020 key_base = RT2870_REG_PKEY(wcid);
3021
3022 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3023 {
3024 memset(iv, 0, 8);
3025
3026 iv[3] = (k->wk_keyix << 6);
3027 }
3028 else
3029 {
3030 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3031 {
3032 iv[0] = (k->wk_keytsc >> 8);
3033 iv[1] = ((iv[0] | 0x20) & 0x7f);
3034 iv[2] = k->wk_keytsc;
3035 }
3036 else
3037 {
3038 /* AES CCMP */
3039
3040 iv[0] = k->wk_keytsc;
3041 iv[1] = k->wk_keytsc >> 8;
3042 iv[2] = 0;
3043 }
3044
3045 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3046 iv[4] = (k->wk_keytsc >> 16);
3047 iv[5] = (k->wk_keytsc >> 24);
3048 iv[6] = (k->wk_keytsc >> 32);
3049 iv[7] = (k->wk_keytsc >> 40);
3050
3051 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3052 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3053 device_get_nameunit(sc->dev),
3054 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3055 }
3056
3057 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3058
3059 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3060 {
3061 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3062
3063 if (opmode != IEEE80211_M_HOSTAP)
3064 {
3065 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3066 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3067 }
3068 else
3069 {
3070 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3071 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3072 }
3073 }
3074 else
3075 {
3076 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3077 }
3078
3079 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3080 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3081
3082 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3083 }
3084
3085 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
3086 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
3087 {
3088 /* install group key */
3089
3090 vapid = 0;
3091 wcid = RT2870_WCID_MCAST;
3092 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
3093 keymode_base = RT2870_REG_SKEY_MODE(vapid);
3094
3095 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3096 {
3097 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3098
3099 if (opmode != IEEE80211_M_HOSTAP)
3100 {
3101 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3102 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3103 }
3104 else
3105 {
3106 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3107 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3108 }
3109 }
3110 else
3111 {
3112 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3113 }
3114
3115 tmp = rt2870_io_mac_read(sc, keymode_base);
3116
3117 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3118 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3119
3120 rt2870_io_mac_write(sc, keymode_base, tmp);
3121
3122 if (opmode == IEEE80211_M_HOSTAP)
3123 {
3124 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3125 {
3126 memset(iv, 0, 8);
3127
3128 iv[3] = (k->wk_keyix << 6);
3129 }
3130 else
3131 {
3132 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3133 {
3134 iv[0] = (k->wk_keytsc >> 8);
3135 iv[1] = ((iv[0] | 0x20) & 0x7f);
3136 iv[2] = k->wk_keytsc;
3137 }
3138 else
3139 {
3140 /* AES CCMP */
3141
3142 iv[0] = k->wk_keytsc;
3143 iv[1] = k->wk_keytsc >> 8;
3144 iv[2] = 0;
3145 }
3146
3147 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3148 iv[4] = (k->wk_keytsc >> 16);
3149 iv[5] = (k->wk_keytsc >> 24);
3150 iv[6] = (k->wk_keytsc >> 32);
3151 iv[7] = (k->wk_keytsc >> 40);
3152
3153 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3154 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3155 device_get_nameunit(sc->dev),
3156 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3157 }
3158
3159 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3160
3161 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3162 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
3163
3164 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3165 }
3166 }
3167
3168 RT2870_SOFTC_UNLOCK(sc);
3169 }
3170
3171 /*
3172 * rt2870_vap_key_delete_cb
3173 */
3174 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
3175 {
3176 struct ieee80211com *ic;
3177 struct ifnet *ifp;
3178 struct ieee80211_key *k;
3179 enum ieee80211_opmode opmode;
3180 struct rt2870_cmd_argv_keydelete *cmd_argv;
3181 uint8_t vapid, wcid;
3182 uint32_t tmp;
3183
3184 ifp = sc->ifp;
3185 ic = ifp->if_l2com;
3186 cmd_argv = arg;
3187 k = &cmd_argv->key;
3188 opmode = cmd_argv->opmode;
3189
3190 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3191 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
3192 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3193 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3194
3195 RT2870_SOFTC_LOCK(sc);
3196
3197 if (k->wk_flags & IEEE80211_KEY_GROUP)
3198 {
3199 /* remove group key */
3200
3201 vapid = 0;
3202 wcid = RT2870_WCID_MCAST;
3203
3204 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
3205
3206 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3207 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3208
3209 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
3210
3211 if (opmode == IEEE80211_M_HOSTAP)
3212 {
3213 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3214 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
3215
3216 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3217 }
3218 }
3219
3220 RT2870_SOFTC_UNLOCK(sc);
3221 }
3222
3223 /*
3224 * rt2870_vap_update_beacon_cb
3225 */
3226 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
3227 {
3228 struct ifnet *ifp;
3229 struct ieee80211com *ic;
3230 struct ieee80211vap *vap;
3231
3232 ifp = sc->ifp;
3233 ic = ifp->if_l2com;
3234 vap = TAILQ_FIRST(&ic->ic_vaps);
3235
3236 if (vap == NULL)
3237 return;
3238
3239 RT2870_SOFTC_LOCK(sc);
3240
3241 rt2870_asic_update_beacon(sc, vap);
3242
3243 RT2870_SOFTC_UNLOCK(sc);
3244 }
3245
3246 /*
3247 * rt2870_asic_set_bssid
3248 */
3249 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3250 const uint8_t *bssid)
3251 {
3252 uint32_t tmp;
3253
3254 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3255 "%s: set bssid: bssid=%s\n",
3256 device_get_nameunit(sc->dev),
3257 ether_sprintf(bssid));
3258
3259 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3260
3261 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3262
3263 tmp = bssid[4] | (bssid[5] << 8);
3264
3265 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3266 }
3267
3268 /*
3269 * rt2870_asic_set_macaddr
3270 */
3271 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3272 const uint8_t *addr)
3273 {
3274 uint32_t tmp;
3275
3276 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3277
3278 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3279
3280 tmp = addr[4] | (addr[5] << 8);
3281
3282 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3283 }
3284
3285 /*
3286 * rt2870_asic_enable_tsf_sync
3287 */
3288 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3289 {
3290 struct ifnet *ifp;
3291 struct ieee80211com *ic;
3292 struct ieee80211vap *vap;
3293 uint32_t tmp;
3294
3295 ifp = sc->ifp;
3296 ic = ifp->if_l2com;
3297 vap = TAILQ_FIRST(&ic->ic_vaps);
3298
3299 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3300 "%s: enabling TSF\n",
3301 device_get_nameunit(sc->dev));
3302
3303 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3304
3305 tmp &= ~0x1fffff;
3306 tmp |= vap->iv_bss->ni_intval * 16;
3307 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3308
3309 if (vap->iv_opmode == IEEE80211_M_STA)
3310 {
3311 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3312 }
3313 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3314 {
3315 tmp |= RT2870_REG_BCN_TX_ENABLE;
3316 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3317 }
3318 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3319 {
3320 tmp |= RT2870_REG_BCN_TX_ENABLE;
3321 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3322 }
3323
3324 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3325 }
3326
3327 /*
3328 * rt2870_asic_disable_tsf_sync
3329 */
3330 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3331 {
3332 uint32_t tmp;
3333
3334 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3335 "%s: disabling TSF\n",
3336 device_get_nameunit(sc->dev));
3337
3338 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3339
3340 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3341 RT2870_REG_TSF_TIMER_ENABLE |
3342 RT2870_REG_TBTT_TIMER_ENABLE);
3343
3344 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3345 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3346
3347 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3348 }
3349
3350 /*
3351 * rt2870_asic_enable_mrr
3352 */
3353 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3354 {
3355 #define CCK(mcs) (mcs)
3356 #define OFDM(mcs) ((1 << 3) | (mcs))
3357 #define HT(mcs) (mcs)
3358
3359 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3360 (OFDM(6) << 28) | /* 54 -> 48 */
3361 (OFDM(5) << 24) | /* 48 -> 36 */
3362 (OFDM(4) << 20) | /* 36 -> 24 */
3363 (OFDM(3) << 16) | /* 24 -> 18 */
3364 (OFDM(2) << 12) | /* 18 -> 12 */
3365 (OFDM(1) << 8) | /* 12 -> 9 */
3366 (OFDM(0) << 4) | /* 9 -> 6 */
3367 OFDM(0)); /* 6 -> 6 */
3368
3369 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3370 (CCK(2) << 12) | /* 11 -> 5.5 */
3371 (CCK(1) << 8) | /* 5.5 -> 2 */
3372 (CCK(0) << 4) | /* 2 -> 1 */
3373 CCK(0)); /* 1 -> 1 */
3374
3375 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3376 (HT(6) << 28) |
3377 (HT(5) << 24) |
3378 (HT(4) << 20) |
3379 (HT(3) << 16) |
3380 (HT(2) << 12) |
3381 (HT(1) << 8) |
3382 (HT(0) << 4) |
3383 HT(0));
3384
3385 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3386 (HT(14) << 28) |
3387 (HT(13) << 24) |
3388 (HT(12) << 20) |
3389 (HT(11) << 16) |
3390 (HT(10) << 12) |
3391 (HT(9) << 8) |
3392 (HT(8) << 4) |
3393 HT(7));
3394
3395 #undef HT
3396 #undef OFDM
3397 #undef CCK
3398 }
3399
3400 /*
3401 * rt2870_asic_set_txpreamble
3402 */
3403 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3404 {
3405 struct ifnet *ifp;
3406 struct ieee80211com *ic;
3407 uint32_t tmp;
3408
3409 ifp = sc->ifp;
3410 ic = ifp->if_l2com;
3411
3412 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3413 "%s: %s short Tx preamble\n",
3414 device_get_nameunit(sc->dev),
3415 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3416
3417 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3418
3419 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3420
3421 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3422 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3423
3424 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3425 }
3426
3427 /*
3428 * rt2870_asic_set_basicrates
3429 */
3430 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3431 {
3432 struct ifnet *ifp;
3433 struct ieee80211com *ic;
3434
3435 ifp = sc->ifp;
3436 ic = ifp->if_l2com;
3437
3438 if (ic->ic_curmode == IEEE80211_MODE_11B)
3439 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3440 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3441 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3442 else
3443 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3444 }
3445
3446 /*
3447 * rt2870_asic_update_rtsthreshold
3448 */
3449 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3450 {
3451 struct ifnet *ifp;
3452 struct ieee80211com *ic;
3453 struct ieee80211vap *vap;
3454 uint32_t tmp;
3455 uint16_t threshold;
3456
3457 ifp = sc->ifp;
3458 ic = ifp->if_l2com;
3459 vap = TAILQ_FIRST(&ic->ic_vaps);
3460
3461 if (vap == NULL)
3462 threshold = IEEE80211_RTS_MAX;
3463 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3464 threshold = 0x1000;
3465 else
3466 threshold = vap->iv_rtsthreshold;
3467
3468 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3469 "%s: updating RTS threshold: %d\n",
3470 device_get_nameunit(sc->dev), threshold);
3471
3472 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3473
3474 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3475
3476 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3477 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3478
3479 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3480 }
3481
3482 /*
3483 * rt2870_asic_update_txpower
3484 */
3485 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3486 {
3487 struct ifnet *ifp;
3488 struct ieee80211com *ic;
3489 uint32_t *txpow_rate;
3490 int8_t delta;
3491 uint8_t val;
3492 uint32_t tmp;
3493 int i;
3494
3495 ifp = sc->ifp;
3496 ic = ifp->if_l2com;
3497
3498 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3499 "%s: updating Tx power: %d\n",
3500 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3501
3502 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3503 {
3504 txpow_rate = sc->txpow_rate_20mhz;
3505 }
3506 else
3507 {
3508 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3509 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3510 else
3511 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3512 }
3513
3514 delta = 0;
3515
3516 val = rt2870_io_bbp_read(sc, 1);
3517 val &= 0xfc;
3518
3519 if (ic->ic_txpowlimit > 90)
3520 {
3521 /* do nothing */
3522 }
3523 else if (ic->ic_txpowlimit > 60)
3524 {
3525 delta -= 1;
3526 }
3527 else if (ic->ic_txpowlimit > 30)
3528 {
3529 delta -= 3;
3530 }
3531 else if (ic->ic_txpowlimit > 15)
3532 {
3533 val |= 0x1;
3534 }
3535 else if (ic->ic_txpowlimit > 9)
3536 {
3537 val |= 0x1;
3538 delta -= 3;
3539 }
3540 else
3541 {
3542 val |= 0x2;
3543 }
3544
3545 rt2870_io_bbp_write(sc, 1, val);
3546
3547 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3548 {
3549 if (txpow_rate[i] == 0xffffffff)
3550 continue;
3551
3552 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3553
3554 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3555 }
3556 }
3557
3558 /*
3559 * rt2870_asic_update_promisc
3560 */
3561 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3562 {
3563 struct ifnet *ifp;
3564 uint32_t tmp;
3565
3566 ifp = sc->ifp;
3567
3568 printf("%s: %s promiscuous mode\n",
3569 device_get_nameunit(sc->dev),
3570 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3571
3572 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3573
3574 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3575
3576 if (!(ifp->if_flags & IFF_PROMISC))
3577 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3578
3579 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3580 }
3581
3582 /*
3583 * rt2870_asic_updateprot
3584 */
3585 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3586 {
3587 struct ifnet *ifp;
3588 struct ieee80211com *ic;
3589 struct ieee80211vap *vap;
3590 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3591 uint8_t htopmode;
3592 enum ieee80211_protmode htprotmode;
3593
3594 ifp = sc->ifp;
3595 ic = ifp->if_l2com;
3596 vap = TAILQ_FIRST(&ic->ic_vaps);
3597
3598 /* CCK frame protection */
3599
3600 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3601 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3602
3603 /* set up protection frame phy mode and rate (MCS code) */
3604
3605 if (ic->ic_curmode == IEEE80211_MODE_11A)
3606 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3607 (0 << RT2870_REG_PROT_MCS_SHIFT);
3608 else
3609 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3610 (3 << RT2870_REG_PROT_MCS_SHIFT));
3611
3612 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3613
3614 /* OFDM frame protection */
3615
3616 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3617 RT2870_REG_TXOP_ALLOW_ALL;
3618
3619 if (ic->ic_flags & IEEE80211_F_USEPROT)
3620 {
3621 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3622 "%s: updating protection mode: b/g protection mode=%s\n",
3623 device_get_nameunit(sc->dev),
3624 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3625 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3626
3627 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3628 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3629 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3630 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3631 else
3632 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3633 }
3634 else
3635 {
3636 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3637 "%s: updating protection mode: b/g protection mode=%s\n",
3638 device_get_nameunit(sc->dev), "none");
3639
3640 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3641 }
3642
3643 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3644
3645 /* HT frame protection */
3646
3647 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3648 htopmode = vap->iv_bss->ni_htopmode;
3649 else
3650 htopmode = ic->ic_curhtprotmode;
3651
3652 htprotmode = ic->ic_htprotmode;
3653
3654 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3655
3656 if (sc->tx_ampdu_sessions > 0)
3657 {
3658 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3659 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3660 device_get_nameunit(sc->dev));
3661
3662 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3663 htprotmode = IEEE80211_PROT_RTSCTS;
3664 }
3665
3666 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3667 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3668 device_get_nameunit(sc->dev),
3669 htopmode & IEEE80211_HTINFO_OPMODE,
3670 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3671 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3672
3673 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3674 {
3675 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3676 case IEEE80211_HTINFO_OPMODE_HT20PR:
3677 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3678 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3679 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3680 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3681 (4 << RT2870_REG_PROT_MCS_SHIFT);
3682
3683 gf20_prot = mm20_prot;
3684
3685 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3686 RT2870_REG_TXOP_ALLOW_ALL |
3687 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3688 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3689
3690 if (htprotmode == IEEE80211_PROT_RTSCTS)
3691 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3692 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3693 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3694 else
3695 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3696
3697 gf40_prot = mm40_prot;
3698 break;
3699
3700 /* IEEE80211_HTINFO_OPMODE_MIXED */
3701 case IEEE80211_HTINFO_OPMODE_MIXED:
3702 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3703 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3704 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3705
3706 if (ic->ic_flags & IEEE80211_F_USEPROT)
3707 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3708 (3 << RT2870_REG_PROT_MCS_SHIFT);
3709 else
3710 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3711 (4 << RT2870_REG_PROT_MCS_SHIFT);
3712
3713 if (htprotmode == IEEE80211_PROT_RTSCTS)
3714 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3715 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3716 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3717 else
3718 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3719
3720 gf20_prot = mm20_prot;
3721
3722 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3723
3724 if (ic->ic_flags & IEEE80211_F_USEPROT)
3725 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3726 (3 << RT2870_REG_PROT_MCS_SHIFT);
3727 else
3728 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3729 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3730
3731 if (htprotmode == IEEE80211_PROT_RTSCTS)
3732 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3733 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3734 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3735 else
3736 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3737
3738 gf40_prot = mm40_prot;
3739 break;
3740
3741 /*
3742 * IEEE80211_HTINFO_OPMODE_PURE
3743 * IEEE80211_HTINFO_OPMODE_PROTOPT
3744 */
3745 case IEEE80211_HTINFO_OPMODE_PURE:
3746 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3747 default:
3748 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3749 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3750 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3751 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3752 (4 << RT2870_REG_PROT_MCS_SHIFT);
3753
3754 gf20_prot = mm20_prot;
3755
3756 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3757 RT2870_REG_TXOP_ALLOW_ALL |
3758 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3759 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3760
3761 gf40_prot = mm40_prot;
3762 break;
3763 }
3764
3765 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3766 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3767 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3768 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3769 }
3770
3771 /*
3772 * rt2870_asic_updateslot
3773 */
3774 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3775 {
3776 struct ifnet *ifp;
3777 struct ieee80211com *ic;
3778 struct ieee80211vap *vap;
3779 uint32_t tmp;
3780
3781 ifp = sc->ifp;
3782 ic = ifp->if_l2com;
3783 vap = TAILQ_FIRST(&ic->ic_vaps);
3784
3785 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3786 "%s: %s short slot time\n",
3787 device_get_nameunit(sc->dev),
3788 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3789 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3790
3791 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3792
3793 tmp &= ~0xff;
3794
3795 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3796 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3797 tmp |= IEEE80211_DUR_SHSLOT;
3798 else
3799 tmp |= IEEE80211_DUR_SLOT;
3800
3801 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3802 }
3803
3804 /*
3805 * rt2870_asic_wme_update
3806 */
3807 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3808 {
3809 struct ifnet *ifp;
3810 struct ieee80211com *ic;
3811 struct ieee80211_wme_state *wme;
3812 const struct wmeParams *wmep;
3813 int i;
3814
3815 ifp = sc->ifp;
3816 ic = ifp->if_l2com;
3817 wme = &ic->ic_wme;
3818 wmep = wme->wme_chanParams.cap_wmeParams;
3819
3820 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3821 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3822 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3823 device_get_nameunit(sc->dev),
3824 wmep[WME_AC_VO].wmep_aifsn,
3825 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3826 wmep[WME_AC_VO].wmep_txopLimit,
3827 wmep[WME_AC_VI].wmep_aifsn,
3828 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3829 wmep[WME_AC_VI].wmep_txopLimit,
3830 wmep[WME_AC_BK].wmep_aifsn,
3831 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3832 wmep[WME_AC_BK].wmep_txopLimit,
3833 wmep[WME_AC_BE].wmep_aifsn,
3834 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3835 wmep[WME_AC_BE].wmep_txopLimit);
3836
3837 for (i = 0; i < WME_NUM_AC; i++)
3838 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3839 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3840 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3841
3842 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3843 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3844 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3845
3846 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3847 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3848 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3849
3850 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3851 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3852 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3853
3854 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3855 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3856
3857 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3858 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3859 }
3860
3861 /*
3862 * rt2870_asic_update_beacon
3863 */
3864 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
3865 struct ieee80211vap *vap)
3866 {
3867 struct rt2870_softc_vap *rvap;
3868 struct mbuf *m;
3869 struct rt2870_txwi *txwi;
3870 uint32_t tmp;
3871
3872 rvap = (struct rt2870_softc_vap *) vap;
3873
3874 m = rvap->beacon_mbuf;
3875 txwi = &rvap->beacon_txwi;
3876
3877 /* disable temporarily TSF sync */
3878
3879 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3880
3881 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3882 RT2870_REG_TSF_TIMER_ENABLE |
3883 RT2870_REG_TBTT_TIMER_ENABLE);
3884
3885 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3886
3887 /* write Tx wireless info and beacon frame to on-chip memory */
3888
3889 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3890 txwi, sizeof(struct rt2870_txwi));
3891
3892 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3893 mtod(m, uint8_t *), m->m_pkthdr.len);
3894
3895 /* enable again TSF sync */
3896
3897 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3898
3899 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3900 RT2870_REG_TSF_TIMER_ENABLE |
3901 RT2870_REG_TBTT_TIMER_ENABLE);
3902
3903 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3904 }
3905
3906 /*
3907 * rt2870_asic_clear_keytables
3908 */
3909 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3910 {
3911 int i;
3912
3913 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3914
3915 for (i = 0; i < 256; i++)
3916 {
3917 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3918 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3919 }
3920
3921 /* clear WCID attribute table (entries = 256, entry size = 4) */
3922
3923 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3924
3925 /* clear IV/EIV table (entries = 256, entry size = 8) */
3926
3927 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3928
3929 /* clear pairwise key table (entries = 256, entry size = 32) */
3930
3931 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3932
3933 /* clear shared key table (entries = 32, entry size = 32) */
3934
3935 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3936
3937 /* clear shared key mode (entries = 32, entry size = 2) */
3938
3939 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3940 }
3941
3942 /*
3943 * rt2870_beacon_alloc
3944 */
3945 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
3946 struct ieee80211vap *vap)
3947 {
3948 struct ieee80211com *ic;
3949 struct rt2870_softc_vap *rvap;
3950 struct mbuf *m;
3951 struct rt2870_txwi txwi;
3952 uint8_t rate, mcs;
3953
3954 ic = vap->iv_ic;
3955 rvap = (struct rt2870_softc_vap *) vap;
3956
3957 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3958 if (m == NULL)
3959 return ENOMEM;
3960
3961 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
3962 mcs = rt2870_rate2mcs(rate);
3963
3964 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3965 "%s: beacon allocate: mcs=0x%02x\n",
3966 device_get_nameunit(sc->dev), mcs);
3967
3968 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3969
3970 txwi.wcid = RT2870_WCID_RESERVED;
3971 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3972 RT2870_TXWI_MPDU_LEN_SHIFT);
3973 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3974 txwi.mpdu_density_flags |=
3975 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3976 txwi.bawin_size_xflags |=
3977 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3978
3979 if (rate == 2)
3980 {
3981 txwi.phymode_ifs_stbc_shortgi =
3982 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3983
3984 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3985 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3986 }
3987 else
3988 {
3989 txwi.phymode_ifs_stbc_shortgi =
3990 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3991 }
3992
3993 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3994 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3995
3996 if (rvap->beacon_mbuf != NULL)
3997 {
3998 m_free(rvap->beacon_mbuf);
3999 rvap->beacon_mbuf = NULL;
4000 }
4001
4002 rvap->beacon_mbuf = m;
4003 rvap->beacon_txwi = txwi;
4004
4005 return 0;
4006 }
4007
4008 /*
4009 * rt2870_rxrate
4010 */
4011 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
4012 {
4013 uint8_t mcs, phymode;
4014 uint8_t rate;
4015
4016 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
4017 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4018 RT2870_RXWI_PHYMODE_MASK;
4019
4020 rate = 2;
4021
4022 switch (phymode)
4023 {
4024 case RT2870_RXWI_PHYMODE_CCK:
4025 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
4026 {
4027 case 0: rate = 2; break; /* 1 Mbps */
4028 case 1: rate = 4; break; /* 2 MBps */
4029 case 2: rate = 11; break; /* 5.5 Mbps */
4030 case 3: rate = 22; break; /* 11 Mbps */
4031 }
4032 break;
4033
4034 case RT2870_RXWI_PHYMODE_OFDM:
4035 switch (mcs)
4036 {
4037 case 0: rate = 12; break; /* 6 Mbps */
4038 case 1: rate = 18; break; /* 9 Mbps */
4039 case 2: rate = 24; break; /* 12 Mbps */
4040 case 3: rate = 36; break; /* 18 Mbps */
4041 case 4: rate = 48; break; /* 24 Mbps */
4042 case 5: rate = 72; break; /* 36 Mbps */
4043 case 6: rate = 96; break; /* 48 Mbps */
4044 case 7: rate = 108; break; /* 54 Mbps */
4045 }
4046 break;
4047
4048 case RT2870_RXWI_PHYMODE_HT_MIXED:
4049 case RT2870_RXWI_PHYMODE_HT_GF:
4050 break;
4051 }
4052
4053 return rate;
4054 }
4055
4056 /*
4057 * rt2870_maxrssi_rxpath
4058 */
4059 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
4060 const struct rt2870_rxwi *rxwi)
4061 {
4062 uint8_t rxpath;
4063
4064 rxpath = 0;
4065
4066 if (sc->nrxpath > 1)
4067 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4068 rxpath = 1;
4069
4070 if (sc->nrxpath > 2)
4071 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4072 rxpath = 2;
4073
4074 return rxpath;
4075 }
4076
4077 /*
4078 * rt2870_rssi2dbm
4079 */
4080 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
4081 uint8_t rssi, uint8_t rxpath)
4082 {
4083 struct ifnet *ifp;
4084 struct ieee80211com *ic;
4085 struct ieee80211_channel *c;
4086 int chan;
4087 int8_t rssi_off, lna_gain;
4088
4089 if (rssi == 0)
4090 return -99;
4091
4092 ifp = sc->ifp;
4093 ic = ifp->if_l2com;
4094 c = ic->ic_curchan;
4095 chan = ieee80211_chan2ieee(ic, c);
4096
4097 if (IEEE80211_IS_CHAN_5GHZ(c))
4098 {
4099 rssi_off = sc->rssi_off_5ghz[rxpath];
4100
4101 if (chan <= 64)
4102 lna_gain = sc->lna_gain[1];
4103 else if (chan <= 128)
4104 lna_gain = sc->lna_gain[2];
4105 else
4106 lna_gain = sc->lna_gain[3];
4107 }
4108 else
4109 {
4110 rssi_off = sc->rssi_off_2ghz[rxpath];
4111 lna_gain = sc->lna_gain[0];
4112 }
4113
4114 return (-12 - rssi_off - lna_gain - rssi);
4115 }
4116
4117 /*
4118 * rt2870_rate2mcs
4119 */
4120 static uint8_t rt2870_rate2mcs(uint8_t rate)
4121 {
4122 switch (rate)
4123 {
4124 /* CCK rates */
4125 case 2: return 0;
4126 case 4: return 1;
4127 case 11: return 2;
4128 case 22: return 3;
4129
4130 /* OFDM rates */
4131 case 12: return 0;
4132 case 18: return 1;
4133 case 24: return 2;
4134 case 36: return 3;
4135 case 48: return 4;
4136 case 72: return 5;
4137 case 96: return 6;
4138 case 108: return 7;
4139 }
4140
4141 return 0;
4142 }
4143
4144 /*
4145 * rt2870_rx_frame
4146 */
4147 static void rt2870_rx_frame(struct rt2870_softc *sc,
4148 uint8_t *buf, uint32_t dmalen)
4149 {
4150 struct ifnet *ifp;
4151 struct ieee80211com *ic;
4152 struct ieee80211_frame *wh;
4153 struct ieee80211_node *ni;
4154 struct rt2870_softc_node *rni;
4155 struct rt2870_softc_rx_radiotap_header *tap;
4156 struct rt2870_rxwi *rxwi;
4157 struct rt2870_rxinfo *rxinfo;
4158 struct mbuf *m;
4159 uint32_t rxinfo_flags;
4160 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
4161 uint16_t seq;
4162 int8_t rssi_dbm;
4163 int len, ampdu, amsdu, rssi_dbm_rel, i;
4164
4165 ifp = sc->ifp;
4166 ic = ifp->if_l2com;
4167
4168 /* get Rx wireless info */
4169
4170 rxwi = (struct rt2870_rxwi *) buf;
4171 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
4172 RT2870_RXWI_SIZE_MASK;
4173
4174 if (len > dmalen)
4175 {
4176 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4177 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
4178 device_get_nameunit(sc->dev), dmalen, len);
4179 return;
4180 }
4181
4182 /* get Rx info */
4183
4184 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
4185 rxinfo_flags = le32toh(rxinfo->flags);
4186
4187 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4188 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
4189 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
4190
4191 /* check for crc errors */
4192
4193 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4194 {
4195 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4196 "%s: rxinfo: crc error\n",
4197 device_get_nameunit(sc->dev));
4198
4199 ifp->if_ierrors++;
4200
4201 if (!(ifp->if_flags & IFF_PROMISC))
4202 return;
4203 }
4204
4205 wh = (struct ieee80211_frame *) (rxwi + 1);
4206
4207 /* check for L2 padding between IEEE 802.11 frame header and body */
4208
4209 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
4210 {
4211 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4212 "%s: L2 padding: DMA len=%d, len=%d\n",
4213 device_get_nameunit(sc->dev), dmalen, len);
4214
4215 len += 2;
4216 }
4217
4218 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4219 if (m == NULL)
4220 {
4221 sc->rx_mbuf_alloc_errors++;
4222 ifp->if_ierrors++;
4223 return;
4224 }
4225
4226 m->m_pkthdr.rcvif = ifp;
4227 m->m_pkthdr.len = m->m_len = len;
4228
4229 m_copyback(m, 0, len, (caddr_t) wh);
4230
4231 wh = mtod(m, struct ieee80211_frame *);
4232
4233 /* check for cipher errors */
4234
4235 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4236 {
4237 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4238 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4239 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4240 {
4241 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4242 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4243
4244 m->m_flags |= M_WEP;
4245
4246 sc->rx_cipher_no_errors++;
4247 }
4248 else
4249 {
4250 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4251 "%s: rxinfo: cipher error=0x%02x\n",
4252 device_get_nameunit(sc->dev), cipher_err);
4253
4254 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_ICV)
4255 sc->rx_cipher_icv_errors++;
4256 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC)
4257 sc->rx_cipher_mic_errors++;
4258 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_INVALID_KEY)
4259 sc->rx_cipher_invalid_key_errors++;
4260
4261 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4262 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4263 {
4264 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
4265 if (ni != NULL)
4266 {
4267 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4268 RT2870_RXWI_KEYIDX_MASK;
4269
4270 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
4271
4272 ieee80211_free_node(ni);
4273 }
4274 }
4275
4276 ifp->if_ierrors++;
4277
4278 if (!(ifp->if_flags & IFF_PROMISC))
4279 {
4280 m_free(m);
4281 return;
4282 }
4283 }
4284 }
4285 else
4286 {
4287 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4288 {
4289 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4290 "%s: rxinfo: not decrypted but protected flag set\n",
4291 device_get_nameunit(sc->dev));
4292
4293 ifp->if_ierrors++;
4294
4295 if (!(ifp->if_flags & IFF_PROMISC))
4296 {
4297 m_free(m);
4298 return;
4299 }
4300 }
4301 }
4302
4303 /* check for A-MPDU */
4304
4305 if (rxinfo_flags & RT2870_RXINFO_FLAGS_BA)
4306 {
4307 m->m_flags |= M_AMPDU;
4308
4309 sc->rx_ampdu++;
4310
4311 ampdu = 1;
4312 }
4313 else
4314 {
4315 ampdu = 0;
4316 }
4317
4318 /* check for A-MSDU */
4319
4320 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4321 {
4322 sc->rx_amsdu++;
4323
4324 amsdu = 1;
4325 }
4326 else
4327 {
4328 amsdu = 0;
4329 }
4330
4331 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4332 rssi = rxwi->rssi[ant];
4333 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4334 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4335 RT2870_RXWI_PHYMODE_MASK);
4336 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4337 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4338 RT2870_RXWI_SHORTGI_MASK);
4339 stbc = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_STBC_SHIFT) &
4340 RT2870_RXWI_STBC_MASK);
4341 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4342 tid = ((rxwi->tid_size >> RT2870_RXWI_TID_SHIFT) & RT2870_RXWI_TID_MASK);
4343 seq = ((rxwi->seq_frag >> RT2870_RXWI_SEQ_SHIFT) & RT2870_RXWI_SEQ_MASK);
4344 frag = ((rxwi->seq_frag >> RT2870_RXWI_FRAG_SHIFT) & RT2870_RXWI_FRAG_MASK);
4345
4346 if (ieee80211_radiotap_active(ic))
4347 {
4348 tap = &sc->rxtap;
4349
4350 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4351 tap->dbm_antsignal = rssi_dbm;
4352 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4353 tap->antenna = ant;
4354 tap->antsignal = rssi;
4355 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4356 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4357 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4358 tap->chan_maxpow = 0;
4359
4360 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4361 tap->rate = rt2870_rxrate(rxwi);
4362 else
4363 tap->rate = mcs | IEEE80211_RATE_MCS;
4364
4365 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4366 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4367
4368 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4369 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4370
4371 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4372 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4373
4374 if ((rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED) ||
4375 (wh->i_fc[1] & IEEE80211_FC1_WEP))
4376 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4377
4378 if (shortgi)
4379 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4380 }
4381
4382 /*
4383 * net80211 assumes that RSSI data are in the range [-127..127] and
4384 * in .5 dBm units relative to the current noise floor
4385 */
4386
4387 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4388 if (rssi_dbm_rel > 127)
4389 rssi_dbm_rel = 127;
4390
4391 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4392 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
4393 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
4394 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
4395 device_get_nameunit(sc->dev),
4396 len, phymode, bw, shortgi, stbc, mcs,
4397 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4398 rxwi->snr[0], rxwi->snr[1],
4399 rxwi->wcid, ampdu, amsdu, tid, seq, frag, rssi_dbm, rssi_dbm_rel);
4400
4401 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4402 if (ni != NULL)
4403 {
4404 rni = (struct rt2870_softc_node *) ni;
4405
4406 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4407 {
4408 rni->last_rssi[i] = rxwi->rssi[i];
4409 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4410 }
4411
4412 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4413 ieee80211_free_node(ni);
4414 }
4415 else
4416 {
4417 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4418 }
4419 }
4420
4421 /*
4422 * rt2870_tx_mgmt
4423 */
4424 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4425 struct mbuf *m, struct ieee80211_node *ni, int qid)
4426 {
4427 struct ifnet *ifp;
4428 struct ieee80211com *ic;
4429 struct ieee80211vap *vap;
4430 const struct ieee80211_txparam *tp;
4431 struct rt2870_softc_node *rni;
4432 struct rt2870_softc_tx_ring *ring;
4433 struct rt2870_softc_tx_data *data;
4434 struct rt2870_txinfo *txinfo;
4435 struct rt2870_txwi *txwi;
4436 struct ieee80211_frame *wh;
4437 struct rt2870_softc_tx_radiotap_header *tap;
4438 u_int hdrsize, hdrspace;
4439 uint8_t rate, stbc, shortgi, mcs, pid;
4440 uint16_t len, dmalen, mpdu_len, dur;
4441 int mimops;
4442
4443 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4444 ("%s: Tx MGMT: invalid qid=%d\n",
4445 device_get_nameunit(sc->dev), qid));
4446
4447 ifp = sc->ifp;
4448 ic = ifp->if_l2com;
4449 vap = ni->ni_vap;
4450 rni = (struct rt2870_softc_node *) ni;
4451 tp = ni->ni_txparms;
4452
4453 ring = &sc->tx_ring[qid];
4454 data = STAILQ_FIRST(&ring->inactive);
4455 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4456 txinfo = (struct rt2870_txinfo *) data->buf;
4457 txwi = (struct rt2870_txwi *) (txinfo + 1);
4458
4459 wh = mtod(m, struct ieee80211_frame *);
4460
4461 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4462
4463 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4464
4465 /* align end on a 4-bytes boundary */
4466
4467 dmalen = (len + 3) & ~3;
4468
4469 /* fill Tx info */
4470
4471 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4472
4473 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4474
4475 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4476
4477 dmalen += 4;
4478
4479 memset((caddr_t) txinfo + len, 0, dmalen - len);
4480
4481 /* fill Tx wireless info */
4482
4483 if (ni->ni_flags & IEEE80211_NODE_HT)
4484 mcs = rate;
4485 else
4486 mcs = rt2870_rate2mcs(rate);
4487
4488 /* calculate MPDU length without padding */
4489
4490 hdrsize = ieee80211_hdrsize(wh);
4491 hdrspace = ieee80211_hdrspace(ic, wh);
4492 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4493
4494 memset(txwi, 0, sizeof(struct rt2870_txwi));
4495
4496 /* management frames do not need encryption */
4497
4498 txwi->wcid = 0xff;
4499
4500 /* MIMO power save */
4501
4502 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4503 {
4504 if (mcs > 7)
4505 {
4506 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4507 {
4508 /* dynamic MIMO power save */
4509
4510 txwi->mpdu_density_flags |=
4511 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4512 }
4513 else
4514 {
4515 /* static MIMO power save */
4516
4517 mcs = 7;
4518 }
4519 }
4520
4521 mimops = 1;
4522 }
4523 else
4524 {
4525 mimops = 0;
4526 }
4527
4528 pid = mcs;
4529
4530 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4531 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4532 RT2870_TXWI_MPDU_LEN_SHIFT);
4533
4534 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4535 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4536
4537 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4538 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4539
4540 txwi->phymode_ifs_stbc_shortgi |=
4541 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4542 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4543
4544 txwi->phymode_ifs_stbc_shortgi |=
4545 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4546
4547 if (ni->ni_flags & IEEE80211_NODE_HT)
4548 {
4549 txwi->phymode_ifs_stbc_shortgi |=
4550 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4551 }
4552 else
4553 {
4554 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4555 {
4556 txwi->phymode_ifs_stbc_shortgi |=
4557 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4558
4559 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4560 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4561 }
4562 else
4563 {
4564 txwi->phymode_ifs_stbc_shortgi |=
4565 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4566 }
4567 }
4568
4569 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4570 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4571
4572 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4573
4574 /* skip ACKs for multicast frames */
4575
4576 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4577 {
4578 txwi->bawin_size_xflags |=
4579 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4580
4581 if (ni->ni_flags & IEEE80211_NODE_HT)
4582 {
4583 /* preamble + plcp + signal extension + SIFS */
4584
4585 dur = 16 + 4 + 6 + 10;
4586 }
4587 else
4588 {
4589 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4590 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4591 }
4592
4593 *(uint16_t *) wh->i_dur = htole16(dur);
4594 }
4595
4596 /* ask MAC to insert timestamp into probe responses */
4597
4598 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4599 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4600 txwi->mpdu_density_flags |=
4601 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4602
4603 if (ieee80211_radiotap_active_vap(vap))
4604 {
4605 tap = &sc->txtap;
4606
4607 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4608 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4609 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4610 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4611 tap->chan_maxpow = 0;
4612
4613 if (ni->ni_flags & IEEE80211_NODE_HT)
4614 tap->rate = mcs | IEEE80211_RATE_MCS;
4615 else
4616 tap->rate = rate;
4617
4618 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4619 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4620
4621 if (shortgi)
4622 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4623
4624 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4625 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4626
4627 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4628 {
4629 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4630
4631 ieee80211_radiotap_tx(vap, m);
4632
4633 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4634 }
4635 else
4636 {
4637 ieee80211_radiotap_tx(vap, m);
4638 }
4639 }
4640
4641 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4642
4643 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4644 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4645 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4646 device_get_nameunit(sc->dev),
4647 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4648
4649 data->len = dmalen;
4650 data->m = m;
4651 data->ni = ni;
4652
4653 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4654 ring->queued++;
4655
4656 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4657
4658 return 0;
4659 }
4660
4661 /*
4662 * rt2870_tx_data
4663 */
4664 static int rt2870_tx_data(struct rt2870_softc *sc,
4665 struct mbuf *m, struct ieee80211_node *ni, int qid)
4666 {
4667 struct ifnet *ifp;
4668 struct ieee80211com *ic;
4669 struct ieee80211vap *vap;
4670 const struct ieee80211_txparam *tp;
4671 struct rt2870_softc_node *rni;
4672 struct rt2870_softc_tx_ring *ring;
4673 struct rt2870_softc_tx_data *data;
4674 struct rt2870_txinfo *txinfo;
4675 struct rt2870_txwi *txwi;
4676 struct ieee80211_frame *wh;
4677 struct ieee80211_tx_ampdu *tx_ampdu;
4678 ieee80211_seq seqno;
4679 struct rt2870_softc_tx_radiotap_header *tap;
4680 u_int hdrsize, hdrspace;
4681 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4682 uint16_t qos, len, dmalen, mpdu_len, dur;
4683 int hasqos, ac, tid, ampdu, mimops;
4684
4685 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4686 ("%s: Tx data: invalid qid=%d\n",
4687 device_get_nameunit(sc->dev), qid));
4688
4689 ifp = sc->ifp;
4690 ic = ifp->if_l2com;
4691 vap = ni->ni_vap;
4692 rni = (struct rt2870_softc_node *) ni;
4693 tp = ni->ni_txparms;
4694
4695 ring = &sc->tx_ring[qid];
4696 data = STAILQ_FIRST(&ring->inactive);
4697 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4698 txinfo = (struct rt2870_txinfo *) data->buf;
4699 txwi = (struct rt2870_txwi *) (txinfo + 1);
4700
4701 wh = mtod(m, struct ieee80211_frame *);
4702
4703 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4704
4705 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4706 if (hasqos)
4707 {
4708 if (IEEE80211_HAS_ADDR4(wh))
4709 qos = le16toh(*(const uint16_t *)
4710 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4711 else
4712 qos = le16toh(*(const uint16_t *)
4713 (((struct ieee80211_qosframe *) wh)->i_qos));
4714 }
4715 else
4716 {
4717 qos = 0;
4718 }
4719
4720 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4721 rate = tp->mcastrate;
4722 else if (m->m_flags & M_EAPOL)
4723 rate = tp->mgmtrate;
4724 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4725 rate = tp->ucastrate;
4726 else
4727 rate = ni->ni_txrate;
4728
4729 rate &= IEEE80211_RATE_VAL;
4730
4731 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4732
4733 /* align end on a 4-bytes boundary */
4734
4735 dmalen = (len + 3) & ~3;
4736
4737 /* fill Tx info */
4738
4739 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4740
4741 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4742
4743 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4744
4745 dmalen += 4;
4746
4747 memset((caddr_t) txinfo + len, 0, dmalen - len);
4748
4749 /* fill Tx wireless info */
4750
4751 if (ni->ni_flags & IEEE80211_NODE_HT)
4752 mcs = rate;
4753 else
4754 mcs = rt2870_rate2mcs(rate);
4755
4756 if (type == IEEE80211_FC0_TYPE_DATA)
4757 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2870_WCID_MCAST;
4758 else
4759 wcid = RT2870_WCID_RESERVED;
4760
4761 /* calculate MPDU length without padding */
4762
4763 hdrsize = ieee80211_hdrsize(wh);
4764 hdrspace = ieee80211_hdrspace(ic, wh);
4765 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4766
4767 memset(txwi, 0, sizeof(struct rt2870_txwi));
4768
4769 txwi->wcid = wcid;
4770
4771 /* MIMO power save */
4772
4773 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4774 {
4775 if (mcs > 7)
4776 {
4777 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4778 {
4779 /* dynamic MIMO power save */
4780
4781 txwi->mpdu_density_flags |=
4782 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4783 }
4784 else
4785 {
4786 /* static MIMO power save */
4787
4788 mcs = 7;
4789 }
4790 }
4791
4792 mimops = 1;
4793 }
4794 else
4795 {
4796 mimops = 0;
4797 }
4798
4799 pid = mcs;
4800
4801 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4802 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4803 RT2870_TXWI_MPDU_LEN_SHIFT);
4804
4805 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4806 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4807
4808 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4809 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4810
4811 txwi->phymode_ifs_stbc_shortgi |=
4812 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4813 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4814
4815 if (ni->ni_flags & IEEE80211_NODE_HT)
4816 {
4817 txwi->phymode_ifs_stbc_shortgi |=
4818 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4819 }
4820 else
4821 {
4822 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4823 {
4824 txwi->phymode_ifs_stbc_shortgi |=
4825 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4826
4827 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4828 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4829 }
4830 else
4831 {
4832 txwi->phymode_ifs_stbc_shortgi |=
4833 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4834 }
4835 }
4836
4837 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4838 bw = RT2870_TXWI_BW_40;
4839 else
4840 bw = RT2870_TXWI_BW_20;
4841
4842 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4843 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4844
4845 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4846
4847 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4848 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4849 {
4850 txwi->bawin_size_xflags |=
4851 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4852
4853 if (ni->ni_flags & IEEE80211_NODE_HT)
4854 {
4855 /* preamble + plcp + signal extension + SIFS */
4856
4857 dur = 16 + 4 + 6 + 10;
4858 }
4859 else
4860 {
4861 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4862 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4863 }
4864
4865 *(uint16_t *) wh->i_dur = htole16(dur);
4866 }
4867
4868 /* check fo A-MPDU */
4869
4870 if (m->m_flags & M_AMPDU_MPDU)
4871 {
4872 ac = M_WME_GETAC(m);
4873 tid = WME_AC_TO_TID(ac);
4874 tx_ampdu = &ni->ni_tx_ampdu[ac];
4875
4876 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4877 bawin_size = tx_ampdu->txa_wnd;
4878
4879 txwi->mpdu_density_flags |=
4880 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4881 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4882
4883 txwi->bawin_size_xflags |=
4884 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4885
4886 seqno = ni->ni_txseqs[tid]++;
4887
4888 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4889
4890 ampdu = 1;
4891 }
4892 else
4893 {
4894 ampdu = 0;
4895 }
4896
4897 /* ask MAC to insert timestamp into probe responses */
4898
4899 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4900 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4901 txwi->mpdu_density_flags |=
4902 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4903
4904 if (ieee80211_radiotap_active_vap(vap))
4905 {
4906 tap = &sc->txtap;
4907
4908 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4909 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4910 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4911 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4912 tap->chan_maxpow = 0;
4913
4914 if (ni->ni_flags & IEEE80211_NODE_HT)
4915 tap->rate = mcs | IEEE80211_RATE_MCS;
4916 else
4917 tap->rate = rate;
4918
4919 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4920 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4921
4922 if (shortgi)
4923 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4924
4925 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4926 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4927
4928 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4929 {
4930 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4931
4932 ieee80211_radiotap_tx(vap, m);
4933
4934 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4935 }
4936 else
4937 {
4938 ieee80211_radiotap_tx(vap, m);
4939 }
4940 }
4941
4942 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4943
4944 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4945 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4946 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d\n",
4947 device_get_nameunit(sc->dev),
4948 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4949 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen);
4950
4951 data->len = dmalen;
4952 data->m = m;
4953 data->ni = ni;
4954
4955 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4956 ring->queued++;
4957
4958 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4959
4960 return 0;
4961 }
4962
4963 /*
4964 * rt2870_tx_raw
4965 */
4966 static int rt2870_tx_raw(struct rt2870_softc *sc,
4967 struct mbuf *m, struct ieee80211_node *ni,
4968 const struct ieee80211_bpf_params *params)
4969 {
4970 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4971 "%s: Tx raw\n",
4972 device_get_nameunit(sc->dev));
4973
4974 return 0;
4975 }
4976
4977 /*
4978 * rt2870_rx_intr
4979 */
4980 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4981 {
4982 struct rt2870_softc *sc;
4983 struct ifnet *ifp;
4984 struct rt2870_softc_rx_ring *ring;
4985 struct rt2870_softc_rx_data *data;
4986 int len;
4987
4988 sc = usbd_xfer_softc(xfer);
4989 ifp = sc->ifp;
4990 ring = &sc->rx_ring;
4991
4992 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4993 "%s: Rx interrupt: state=%d, error=%s\n",
4994 device_get_nameunit(sc->dev),
4995 USB_GET_STATE(xfer), usbd_errstr(error));
4996
4997 switch (USB_GET_STATE(xfer))
4998 {
4999 case USB_ST_TRANSFERRED:
5000 sc->interrupts++;
5001 sc->rx_interrupts++;
5002
5003 data = STAILQ_FIRST(&ring->active);
5004 if (data == NULL)
5005 goto setup;
5006
5007 STAILQ_REMOVE_HEAD(&ring->active, next);
5008
5009 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
5010
5011 data->len = len;
5012
5013 STAILQ_INSERT_TAIL(&ring->done, data, next);
5014
5015 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5016
5017 /* FALLTHROUGH */
5018
5019 setup:
5020
5021 case USB_ST_SETUP:
5022 data = STAILQ_FIRST(&ring->inactive);
5023 if (data == NULL)
5024 break;
5025
5026 STAILQ_REMOVE_HEAD(&ring->inactive, next);
5027
5028 STAILQ_INSERT_TAIL(&ring->active, data, next);
5029
5030 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
5031 usbd_transfer_submit(xfer);
5032 break;
5033
5034 default:
5035 sc->interrupts++;
5036 sc->rx_interrupts++;
5037
5038 data = STAILQ_FIRST(&ring->active);
5039 if (data != NULL)
5040 {
5041 STAILQ_REMOVE_HEAD(&ring->active, next);
5042 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5043 }
5044
5045 if (error != USB_ERR_CANCELLED)
5046 {
5047 ifp->if_ierrors++;
5048
5049 usbd_xfer_set_stall(xfer);
5050
5051 goto setup;
5052 }
5053 break;
5054 }
5055 }
5056
5057 /*
5058 * rt2870_tx_intr
5059 */
5060 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
5061 {
5062 struct rt2870_softc *sc;
5063 struct ifnet *ifp;
5064 struct rt2870_softc_tx_ring *ring;
5065 struct rt2870_softc_tx_data *data;
5066
5067 sc = usbd_xfer_softc(xfer);
5068 ifp = sc->ifp;
5069 ring = usbd_xfer_get_priv(xfer);
5070
5071 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
5072
5073 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5074 "%s: Tx interrupt: state=%d, error=%s\n",
5075 device_get_nameunit(sc->dev),
5076 USB_GET_STATE(xfer), usbd_errstr(error));
5077
5078 switch (USB_GET_STATE(xfer))
5079 {
5080 case USB_ST_TRANSFERRED:
5081 sc->interrupts++;
5082 sc->tx_interrupts[ring->qid]++;
5083
5084 data = STAILQ_FIRST(&ring->active);
5085 if (data == NULL)
5086 goto setup;
5087
5088 STAILQ_REMOVE_HEAD(&ring->active, next);
5089
5090 STAILQ_INSERT_TAIL(&ring->done, data, next);
5091
5092 sc->tx_qid_pending_mask |= (1 << ring->qid);
5093
5094 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5095
5096 /* FALLTHROUGH */
5097
5098 setup:
5099
5100 case USB_ST_SETUP:
5101 data = STAILQ_FIRST(&ring->pending);
5102 if (data == NULL)
5103 break;
5104
5105 STAILQ_REMOVE_HEAD(&ring->pending, next);
5106 STAILQ_INSERT_TAIL(&ring->active, data, next);
5107
5108 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
5109 usbd_transfer_submit(xfer);
5110
5111 RT2870_SOFTC_UNLOCK(sc);
5112
5113 rt2870_start(ifp);
5114
5115 RT2870_SOFTC_LOCK(sc);
5116 break;
5117
5118 default:
5119 sc->interrupts++;
5120 sc->tx_interrupts[ring->qid]++;
5121
5122 data = STAILQ_FIRST(&ring->active);
5123 if (data != NULL)
5124 {
5125 STAILQ_REMOVE_HEAD(&ring->active, next);
5126
5127 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
5128 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
5129
5130 if (data->m != NULL)
5131 {
5132 m_freem(data->m);
5133 data->m = NULL;
5134 }
5135
5136 if (data->ni != NULL)
5137 {
5138 ieee80211_free_node(data->ni);
5139 data->ni = NULL;
5140 }
5141
5142 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5143
5144 ring->queued--;
5145 }
5146
5147 if (error != USB_ERR_CANCELLED)
5148 {
5149 ifp->if_oerrors++;
5150 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5151
5152 usbd_xfer_set_stall(xfer);
5153
5154 goto setup;
5155 }
5156 break;
5157 }
5158 }
5159
5160 /*
5161 * rt2870_rx_done_task
5162 */
5163 static void rt2870_rx_done_task(void *context, int pending)
5164 {
5165 struct rt2870_softc *sc;
5166 struct ifnet *ifp;
5167
5168 sc = context;
5169 ifp = sc->ifp;
5170
5171 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5172 "%s: Rx done task\n",
5173 device_get_nameunit(sc->dev));
5174
5175 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5176 return;
5177
5178 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
5179 {
5180 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5181 "%s: Rx done task: scheduling again\n",
5182 device_get_nameunit(sc->dev));
5183
5184 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5185 }
5186 }
5187
5188 /*
5189 * rt2870_tx_done_task
5190 */
5191 static void rt2870_tx_done_task(void *context, int pending)
5192 {
5193 struct rt2870_softc *sc;
5194 struct ifnet *ifp;
5195 int i;
5196
5197 sc = context;
5198 ifp = sc->ifp;
5199
5200 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5201 "%s: Tx done task\n",
5202 device_get_nameunit(sc->dev));
5203
5204 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5205 return;
5206
5207 for (i = sc->usb_endpoints - 2; i >= 0; i--)
5208 {
5209 if (sc->tx_qid_pending_mask & (1 << i))
5210 {
5211 sc->tx_qid_pending_mask &= ~(1 << i);
5212
5213 rt2870_tx_eof(sc, &sc->tx_ring[i]);
5214 }
5215 }
5216
5217 if (sc->tx_qid_pending_mask != 0)
5218 {
5219 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5220 "%s: Tx done task: scheduling again\n",
5221 device_get_nameunit(sc->dev));
5222
5223 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5224 }
5225
5226 sc->tx_timer = 0;
5227
5228 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5229 }
5230
5231 /*
5232 * rt2870_periodic_task
5233 */
5234 static void rt2870_periodic_task(void *context, int pending)
5235 {
5236 struct rt2870_softc *sc;
5237 struct ifnet *ifp;
5238 struct ieee80211com *ic;
5239 struct ieee80211vap *vap;
5240
5241 sc = context;
5242 ifp = sc->ifp;
5243 ic = ifp->if_l2com;
5244 vap = TAILQ_FIRST(&ic->ic_vaps);
5245
5246 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5247 "%s: periodic task: round=%lu\n",
5248 device_get_nameunit(sc->dev), sc->periodic_round);
5249
5250 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5251 return;
5252
5253 RT2870_SOFTC_LOCK(sc);
5254
5255 sc->periodic_round++;
5256
5257 rt2870_update_stats(sc);
5258
5259 if ((sc->periodic_round % 10) == 0)
5260 {
5261 rt2870_bbp_tuning(sc);
5262
5263 rt2870_update_raw_counters(sc);
5264
5265 rt2870_watchdog(sc);
5266
5267 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5268 {
5269 if (vap->iv_opmode == IEEE80211_M_STA)
5270 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
5271 else
5272 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
5273 }
5274 }
5275
5276 RT2870_SOFTC_UNLOCK(sc);
5277
5278 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5279 }
5280
5281 /*
5282 * rt2870_cmd_task
5283 */
5284 static void rt2870_cmd_task(void *context, int pending)
5285 {
5286 struct rt2870_softc *sc;
5287 struct rt2870_softc_cmd_ring *ring;
5288 struct rt2870_softc_cmd *cmd;
5289
5290 sc = context;
5291 ring = &sc->cmd_ring;
5292
5293 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
5294 return;
5295
5296 while (1)
5297 {
5298 RT2870_SOFTC_LOCK(sc);
5299
5300 cmd = STAILQ_FIRST(&ring->active);
5301 if (cmd == NULL)
5302 {
5303 RT2870_SOFTC_UNLOCK(sc);
5304 break;
5305 }
5306
5307 STAILQ_REMOVE_HEAD(&ring->active, next);
5308
5309 RT2870_SOFTC_UNLOCK(sc);
5310
5311 cmd->cb(sc, cmd->data);
5312
5313 RT2870_SOFTC_LOCK(sc);
5314
5315 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5316 ring->queued--;
5317
5318 RT2870_SOFTC_UNLOCK(sc);
5319 }
5320 }
5321
5322 /*
5323 * rt2870_rx_eof
5324 */
5325 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5326 {
5327 struct ifnet *ifp;
5328 struct rt2870_softc_rx_ring *ring;
5329 struct rt2870_softc_rx_data *data;
5330 uint32_t dmalen;
5331 uint8_t *buf;
5332 int nframes, len;
5333
5334 ifp = sc->ifp;
5335 ring = &sc->rx_ring;
5336
5337 nframes = 0;
5338
5339 while (limit != 0)
5340 {
5341 RT2870_SOFTC_LOCK(sc);
5342
5343 data = STAILQ_FIRST(&ring->done);
5344 if (data == NULL)
5345 {
5346 RT2870_SOFTC_UNLOCK(sc);
5347 break;
5348 }
5349
5350 STAILQ_REMOVE_HEAD(&ring->done, next);
5351
5352 RT2870_SOFTC_UNLOCK(sc);
5353
5354 buf = data->buf;
5355 len = data->len;
5356
5357 if (len < RT2870_RX_DESC_SIZE)
5358 {
5359 ifp->if_ierrors++;
5360 goto skip;
5361 }
5362
5363 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5364 {
5365 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5366
5367 if (dmalen == 0 || (dmalen & 3) != 0)
5368 {
5369 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5370 "%s: bad DMA len=%u\n",
5371 device_get_nameunit(sc->dev), dmalen);
5372 goto skip;
5373 }
5374
5375 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5376 {
5377 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5378 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5379 device_get_nameunit(sc->dev),
5380 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5381 goto skip;
5382 }
5383
5384 nframes++;
5385
5386 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5387
5388 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5389 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5390 }
5391
5392 skip:
5393
5394 RT2870_SOFTC_LOCK(sc);
5395
5396 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5397
5398 usbd_transfer_start(sc->usb_xfer[0]);
5399
5400 RT2870_SOFTC_UNLOCK(sc);
5401
5402 limit--;
5403 }
5404
5405 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5406 "%s: Rx eof: nframes=%d\n",
5407 device_get_nameunit(sc->dev), nframes);
5408
5409 sc->rx_packets += nframes;
5410
5411 return (limit == 0);
5412 }
5413
5414 /*
5415 * rt2870_tx_eof
5416 */
5417 static void rt2870_tx_eof(struct rt2870_softc *sc,
5418 struct rt2870_softc_tx_ring *ring)
5419 {
5420 struct ifnet *ifp;
5421 struct rt2870_softc_tx_data *data;
5422 int nframes;
5423
5424 ifp = sc->ifp;
5425
5426 nframes = 0;
5427
5428 while (1)
5429 {
5430 RT2870_SOFTC_LOCK(sc);
5431
5432 data = STAILQ_FIRST(&ring->done);
5433 if (data == NULL)
5434 {
5435 RT2870_SOFTC_UNLOCK(sc);
5436 break;
5437 }
5438
5439 STAILQ_REMOVE_HEAD(&ring->done, next);
5440
5441 rt2870_drain_fifo_stats(sc);
5442
5443 RT2870_SOFTC_UNLOCK(sc);
5444
5445 nframes++;
5446
5447 if (data->m->m_flags & M_TXCB)
5448 ieee80211_process_callback(data->ni, data->m, 0);
5449
5450 m_freem(data->m);
5451
5452 ieee80211_free_node(data->ni);
5453
5454 data->m = NULL;
5455 data->ni = NULL;
5456
5457 RT2870_SOFTC_LOCK(sc);
5458
5459 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5460
5461 ring->queued--;
5462 ifp->if_opackets++;
5463
5464 RT2870_SOFTC_UNLOCK(sc);
5465 }
5466
5467 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5468 "%s: Tx eof: qid=%d, nframes=%d\n",
5469 device_get_nameunit(sc->dev), ring->qid, nframes);
5470 }
5471
5472 /*
5473 * rt2870_update_stats
5474 */
5475 static void rt2870_update_stats(struct rt2870_softc *sc)
5476 {
5477 struct ifnet *ifp;
5478 struct ieee80211com *ic;
5479 uint32_t stacnt[3];
5480 int beacons, noretryok, retryok, failed, underflows, zerolen;
5481
5482 ifp = sc->ifp;
5483 ic = ifp->if_l2com;
5484
5485 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5486 "%s: update statistic\n",
5487 device_get_nameunit(sc->dev));
5488
5489 rt2870_drain_fifo_stats(sc);
5490
5491 /* read and clear Tx statistic registers */
5492
5493 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5494 stacnt, sizeof(stacnt));
5495
5496 stacnt[0] = le32toh(stacnt[0]);
5497 stacnt[1] = le32toh(stacnt[1]);
5498 stacnt[2] = le32toh(stacnt[2]);
5499
5500 beacons = stacnt[0] >> 16;
5501 noretryok = stacnt[1] & 0xffff;
5502 retryok = stacnt[1] >> 16;
5503 failed = stacnt[0] & 0xffff;
5504 underflows = stacnt[2] >> 16;
5505 zerolen = stacnt[2] & 0xffff;
5506
5507 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5508 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5509 device_get_nameunit(sc->dev),
5510 beacons, noretryok, retryok, failed, underflows, zerolen);
5511
5512 ifp->if_oerrors += failed;
5513
5514 sc->tx_beacons += beacons;
5515 sc->tx_noretryok += noretryok;
5516 sc->tx_retryok += retryok;
5517 sc->tx_failed += failed;
5518 sc->tx_underflows += underflows;
5519 sc->tx_zerolen += zerolen;
5520 }
5521
5522 /*
5523 * rt2870_bbp_tuning
5524 */
5525 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5526 {
5527 struct ifnet *ifp;
5528 struct ieee80211com *ic;
5529 struct ieee80211vap *vap;
5530 struct ieee80211_node *ni;
5531 int chan, group;
5532 int8_t rssi, old, new;
5533
5534 /* RT2860C does not support BBP tuning */
5535
5536 if (sc->mac_rev == 0x28600100)
5537 return;
5538
5539 ifp = sc->ifp;
5540 ic = ifp->if_l2com;
5541 vap = TAILQ_FIRST(&ic->ic_vaps);
5542
5543 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5544 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5545 return;
5546
5547 ni = vap->iv_bss;
5548
5549 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5550
5551 if (chan <= 14)
5552 group = 0;
5553 else if (chan <= 64)
5554 group = 1;
5555 else if (chan <= 128)
5556 group = 2;
5557 else
5558 group = 3;
5559
5560 rssi = ieee80211_getrssi(vap);
5561
5562 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5563 {
5564 new = 0x2e + sc->lna_gain[group];
5565 }
5566 else
5567 {
5568 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5569 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5570 else
5571 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5572 }
5573
5574 /* Tune if absolute average RSSI is greater than -80 */
5575
5576 if (rssi > 30)
5577 new += 0x10;
5578
5579 old = rt2870_io_bbp_read(sc, 66);
5580
5581 if (old != new)
5582 rt2870_io_bbp_write(sc, 66, new);
5583 }
5584
5585 /*
5586 * rt2870_watchdog
5587 */
5588 static void rt2870_watchdog(struct rt2870_softc *sc)
5589 {
5590 uint32_t tmp;
5591 int ntries;
5592
5593 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5594
5595 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5596 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5597 device_get_nameunit(sc->dev), tmp);
5598
5599 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5600 {
5601 sc->tx_queue_not_empty[0]++;
5602
5603 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5604
5605 for (ntries = 0; ntries < 10; ntries++)
5606 {
5607 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5608 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5609 break;
5610
5611 DELAY(1);
5612 }
5613
5614 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5615 }
5616
5617 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5618 {
5619 sc->tx_queue_not_empty[1]++;
5620
5621 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5622
5623 for (ntries = 0; ntries < 10; ntries++)
5624 {
5625 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5626 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5627 break;
5628
5629 DELAY(1);
5630 }
5631
5632 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5633 }
5634 }
5635
5636 /*
5637 * rt2870_drain_fifo_stats
5638 */
5639 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5640 {
5641 struct ifnet *ifp;
5642 uint32_t stats;
5643 uint8_t wcid, mcs, pid;
5644 int ok, agg, retrycnt;
5645
5646 ifp = sc->ifp;
5647
5648 /* drain Tx status FIFO (maxsize = 16) */
5649
5650 while ((sc->flags & RT2870_SOFTC_FLAGS_VALID) &&
5651 ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5652 RT2870_REG_TX_STA_FIFO_VALID))
5653 {
5654 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5655 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5656
5657 /* if no ACK was requested, no feedback is available */
5658
5659 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2870_WCID_RESERVED)
5660 continue;
5661
5662 /* update AMRR statistic */
5663
5664 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5665 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5666 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5667 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5668 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5669 RT2870_REG_TX_STA_FIFO_PID_MASK;
5670 retrycnt = pid - mcs;
5671
5672 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5673 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5674 device_get_nameunit(sc->dev),
5675 wcid, ok, agg, mcs, pid, retrycnt);
5676
5677 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5678
5679 if (!ok)
5680 ifp->if_oerrors++;
5681 }
5682 }
5683
5684 /*
5685 * rt2870_update_raw_counters
5686 */
5687 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5688 {
5689 uint32_t tmp;
5690
5691 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5692
5693 sc->tx_nonagg += tmp & 0xffff;
5694 sc->tx_agg += tmp >> 16;
5695
5696 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5697
5698 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5699
5700 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5701
5702 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5703
5704 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5705
5706 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5707
5708 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5709
5710 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5711
5712 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5713
5714 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5715
5716 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5717
5718 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5719
5720 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5721
5722 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5723
5724 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5725
5726 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5727
5728 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5729
5730 sc->rx_crc_errors += tmp & 0xffff;
5731 sc->rx_phy_errors += tmp >> 16;
5732
5733 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5734
5735 sc->rx_false_ccas += tmp & 0xffff;
5736 sc->rx_plcp_errors += tmp >> 16;
5737
5738 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5739
5740 sc->rx_dup_packets += tmp & 0xffff;
5741 sc->rx_fifo_overflows += tmp >> 16;
5742
5743 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5744
5745 sc->tx_mpdu_zero_density += tmp & 0xffff;
5746 sc->rx_mpdu_zero_density += tmp >> 16;
5747 }
5748
5749 /*
5750 * rt2870_txrx_enable
5751 */
5752 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5753 {
5754 struct ieee80211com *ic;
5755 struct ifnet *ifp;
5756 uint32_t tmp;
5757 int ntries;
5758
5759 ifp = sc->ifp;
5760 ic = ifp->if_l2com;
5761
5762 /* enable Tx/Rx DMA engine */
5763
5764 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5765
5766 tmp &= 0xffffff00;
5767 tmp |= 0x1e;
5768
5769 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5770
5771 if ((sc->mac_rev & 0xffff) != 0x0101)
5772 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5773
5774 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5775
5776 for (ntries = 0; ntries < 200; ntries++)
5777 {
5778 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5779 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5780 break;
5781
5782 DELAY(1000);
5783 }
5784
5785 if (ntries == 200)
5786 {
5787 printf("%s: timeout waiting for DMA engine\n",
5788 device_get_nameunit(sc->dev));
5789 return -1;
5790 }
5791
5792 DELAY(50);
5793
5794 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5795 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5796 (48 << 16) | 96);
5797
5798 tmp |= RT2870_REG_TX_WB_DDONE |
5799 RT2870_REG_RX_DMA_ENABLE |
5800 RT2870_REG_TX_DMA_ENABLE;
5801
5802 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5803
5804 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5805 RT2870_REG_USB_DMA_RX_ENABLE |
5806 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5807 /* Rx agg limit in unit of 1024 byte */
5808 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5809 /* Rx agg timeout in unit of 33ns */
5810 0x80;
5811
5812 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5813
5814 /* set Rx filter */
5815
5816 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5817 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5818
5819 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5820 {
5821 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5822 RT2870_REG_RX_FILTER_DROP_CTS |
5823 RT2870_REG_RX_FILTER_DROP_BA |
5824 RT2870_REG_RX_FILTER_DROP_ACK |
5825 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5826 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5827 RT2870_REG_RX_FILTER_DROP_CFACK |
5828 RT2870_REG_RX_FILTER_DROP_CFEND;
5829
5830 if (ic->ic_opmode == IEEE80211_M_STA)
5831 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5832 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5833
5834 if (!(ifp->if_flags & IFF_PROMISC))
5835 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5836 }
5837
5838 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5839
5840 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5841 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5842
5843 return 0;
5844 }
5845
5846 /*
5847 * rt2870_alloc_rx_ring
5848 */
5849 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5850 struct rt2870_softc_rx_ring *ring)
5851 {
5852 struct rt2870_softc_rx_data *data;
5853 int i, error;
5854
5855 STAILQ_INIT(&ring->inactive);
5856 STAILQ_INIT(&ring->active);
5857 STAILQ_INIT(&ring->done);
5858
5859 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5860 {
5861 data = &ring->data[i];
5862
5863 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5864 if (data->buf == NULL)
5865 {
5866 printf("%s: could not allocate Rx buffer\n",
5867 device_get_nameunit(sc->dev));
5868 error = ENOMEM;
5869 goto fail;
5870 }
5871
5872 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5873 }
5874
5875 return 0;
5876
5877 fail:
5878
5879 rt2870_free_rx_ring(sc, ring);
5880
5881 return error;
5882 }
5883
5884 /*
5885 * rt2870_reset_rx_ring
5886 */
5887 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5888 struct rt2870_softc_rx_ring *ring)
5889 {
5890 struct rt2870_softc_rx_data *data;
5891 int i;
5892
5893 STAILQ_INIT(&ring->inactive);
5894 STAILQ_INIT(&ring->active);
5895 STAILQ_INIT(&ring->done);
5896
5897 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5898 {
5899 data = &ring->data[i];
5900
5901 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5902 }
5903 }
5904
5905 /*
5906 * rt2870_free_rx_ring
5907 */
5908 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5909 struct rt2870_softc_rx_ring *ring)
5910 {
5911 struct rt2870_softc_rx_data *data;
5912 int i;
5913
5914 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5915 {
5916 data = &ring->data[i];
5917
5918 if (data->buf != NULL)
5919 {
5920 free(data->buf, M_USBDEV);
5921 data->buf = NULL;
5922 }
5923 }
5924 }
5925
5926 /*
5927 * rt2870_alloc_tx_ring
5928 */
5929 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5930 struct rt2870_softc_tx_ring *ring, int qid)
5931 {
5932 struct rt2870_softc_tx_data *data;
5933 int i, error;
5934
5935 STAILQ_INIT(&ring->inactive);
5936 STAILQ_INIT(&ring->pending);
5937 STAILQ_INIT(&ring->active);
5938 STAILQ_INIT(&ring->done);
5939
5940 ring->queued = 0;
5941 ring->qid = qid;
5942
5943 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5944 {
5945 data = &ring->data[i];
5946
5947 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5948 if (data->buf == NULL)
5949 {
5950 printf("%s: could not allocate Tx buffer\n",
5951 device_get_nameunit(sc->dev));
5952 error = ENOMEM;
5953 goto fail;
5954 }
5955
5956 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5957
5958 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5959 }
5960
5961 return 0;
5962
5963 fail:
5964
5965 rt2870_free_tx_ring(sc, ring);
5966
5967 return error;
5968 }
5969
5970 /*
5971 * rt2870_reset_tx_ring
5972 */
5973 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5974 struct rt2870_softc_tx_ring *ring)
5975 {
5976 struct rt2870_softc_tx_data *data;
5977 int i;
5978
5979 STAILQ_INIT(&ring->inactive);
5980 STAILQ_INIT(&ring->pending);
5981 STAILQ_INIT(&ring->active);
5982 STAILQ_INIT(&ring->done);
5983
5984 ring->queued = 0;
5985
5986 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5987 {
5988 data = &ring->data[i];
5989
5990 if (data->m != NULL)
5991 {
5992 m_free(data->m);
5993 data->m = NULL;
5994 }
5995
5996 if (data->ni != NULL)
5997 {
5998 ieee80211_free_node(data->ni);
5999 data->ni = NULL;
6000 }
6001
6002 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6003 }
6004 }
6005
6006 /*
6007 * rt2870_free_tx_ring
6008 */
6009 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
6010 struct rt2870_softc_tx_ring *ring)
6011 {
6012 struct rt2870_softc_tx_data *data;
6013 int i;
6014
6015 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6016 {
6017 data = &ring->data[i];
6018
6019 if (data->buf != NULL)
6020 {
6021 free(data->buf, M_USBDEV);
6022 data->buf = NULL;
6023 }
6024
6025 if (data->m != NULL)
6026 {
6027 m_free(data->m);
6028 data->m = NULL;
6029 }
6030
6031 if (data->ni != NULL)
6032 {
6033 ieee80211_free_node(data->ni);
6034 data->ni = NULL;
6035 }
6036 }
6037 }
6038
6039 /*
6040 * rt2870_reset_cmd_ring
6041 */
6042 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
6043 struct rt2870_softc_cmd_ring *ring)
6044 {
6045 struct rt2870_softc_cmd *cmd;
6046 int i;
6047
6048 STAILQ_INIT(&ring->inactive);
6049 STAILQ_INIT(&ring->active);
6050
6051 ring->queued = 0;
6052
6053 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
6054 {
6055 cmd = &ring->cmd[i];
6056
6057 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
6058 }
6059 }
6060
6061 /*
6062 * rt2870_sysctl_attach
6063 */
6064 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
6065 {
6066 struct sysctl_ctx_list *ctx;
6067 struct sysctl_oid *tree;
6068 struct sysctl_oid *stats;
6069
6070 ctx = device_get_sysctl_ctx(sc->dev);
6071 tree = device_get_sysctl_tree(sc->dev);
6072
6073 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6074 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6075 "Tx STBC");
6076
6077 /* statistic counters */
6078
6079 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6080 "stats", CTLFLAG_RD, 0, "statistic");
6081
6082 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6083 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6084 "all interrupts");
6085
6086 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6087 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6088 "Rx interrupts");
6089
6090 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6091 {
6092 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6093 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6094 "Tx MGMT interrupts");
6095
6096 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6097 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6098 "Tx HCCA interrupts");
6099 }
6100
6101 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6102 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6103 "Tx AC3 interrupts");
6104
6105 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6106 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6107 "Tx AC2 interrupts");
6108
6109 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6110 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6111 "Tx AC1 interrupts");
6112
6113 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6114 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6115 "Tx AC0 interrupts");
6116
6117 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6118 {
6119 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6120 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
6121 "Tx MGMT data queued");
6122
6123 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6124 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
6125 "Tx HCCA data queued");
6126 }
6127
6128 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6129 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
6130 "Tx AC3 data queued");
6131
6132 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6133 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
6134 "Tx AC2 data queued");
6135
6136 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6137 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
6138 "Tx AC1 data queued");
6139
6140 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6141 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
6142 "Tx AC0 data queued");
6143
6144 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6145 {
6146 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6147 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6148 "Tx MGMT data queue full");
6149
6150 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6151 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6152 "Tx HCCA data queue full");
6153 }
6154
6155 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6156 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6157 "Tx AC3 data queue full");
6158
6159 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6160 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6161 "Tx AC2 data queue full");
6162
6163 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6164 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6165 "Tx AC1 data queue full");
6166
6167 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6168 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6169 "Tx AC0 data queue full");
6170
6171 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6172 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6173 "Tx watchdog timeouts");
6174
6175 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6176 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6177 "Rx mbuf allocation errors");
6178
6179 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6180 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6181 "Tx queue 0 not empty");
6182
6183 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6184 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6185 "Tx queue 1 not empty");
6186
6187 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6188 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6189 "Tx beacons");
6190
6191 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6192 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6193 "Tx successfull without retries");
6194
6195 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6196 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6197 "Tx successfull with retries");
6198
6199 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6200 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6201 "Tx failed");
6202
6203 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6204 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6205 "Tx underflows");
6206
6207 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6208 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6209 "Tx zero length");
6210
6211 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6212 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6213 "Tx non-aggregated");
6214
6215 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6216 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6217 "Tx aggregated");
6218
6219 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6220 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6221 "Tx A-MPDU");
6222
6223 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6224 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6225 "Tx MPDU with zero density");
6226
6227 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6228 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6229 "Tx A-MPDU sessions");
6230
6231 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6232 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6233 "Rx packets");
6234
6235 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6236 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6237 "Rx A-MPDU");
6238
6239 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6240 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6241 "Rx MPDU with zero density");
6242
6243 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6244 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6245 "Rx A-MSDU");
6246
6247 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6248 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6249 "Rx CRC errors");
6250
6251 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6252 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6253 "Rx PHY errors");
6254
6255 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6256 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6257 "Rx false CCAs");
6258
6259 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6260 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6261 "Rx PLCP errors");
6262
6263 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6264 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6265 "Rx duplicate packets");
6266
6267 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6268 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6269 "Rx FIFO overflows");
6270
6271 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6272 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6273 "Rx cipher no errors");
6274
6275 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6276 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6277 "Rx cipher ICV errors");
6278
6279 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6280 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6281 "Rx cipher MIC errors");
6282
6283 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6284 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6285 "Rx cipher invalid key errors");
6286 }
6287
6288 static device_method_t rt2870_dev_methods[] =
6289 {
6290 DEVMETHOD(device_probe, rt2870_probe),
6291 DEVMETHOD(device_attach, rt2870_attach),
6292 DEVMETHOD(device_detach, rt2870_detach),
6293 { 0, 0 }
6294 };
6295
6296 static driver_t rt2870_driver =
6297 {
6298 "rt2870",
6299 rt2870_dev_methods,
6300 sizeof(struct rt2870_softc),
6301 };
6302
6303 static devclass_t rt2870_dev_class;
6304
6305 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6306 NULL, 0);
6307
6308 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6309 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870