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Optimized ShortGI test during frame transmission
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blob72a004c586943371dc6291815ef5cae974653f00
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 #ifdef RT2870_DEBUG
475 static int rt2870_debug = 0;
476 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
477 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
478 #endif
479
480 /*
481 * rt2870_probe
482 */
483 static int rt2870_probe(device_t dev)
484 {
485 struct usb_attach_arg *uaa;
486
487 uaa = device_get_ivars(dev);
488
489 if (uaa->usb_mode != USB_MODE_HOST)
490 return ENXIO;
491
492 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
493 return ENXIO;
494
495 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
496 return ENXIO;
497
498 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
499 sizeof(rt2870_usb_devid), uaa));
500 }
501
502 /*
503 * rt2870_attach
504 */
505 static int rt2870_attach(device_t dev)
506 {
507 struct rt2870_softc *sc;
508 struct usb_attach_arg *uaa;
509 usb_error_t usb_error;
510 struct ieee80211com *ic;
511 struct ifnet *ifp;
512 struct usb_interface *iface;
513 struct usb_interface_descriptor *iface_desc;
514 uint8_t iface_index;
515 int error, ntries, i;
516
517 sc = device_get_softc(dev);
518 uaa = device_get_ivars(dev);
519
520 sc->dev = dev;
521 sc->usb_dev = uaa->device;
522
523 device_set_usb_desc(dev);
524
525 #ifdef RT2870_DEBUG
526 sc->debug = rt2870_debug;
527
528 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
529 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
530 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
531 #endif
532
533 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
534 "%s: attaching\n",
535 device_get_nameunit(sc->dev));
536
537 iface_index = RT2870_USB_IFACE_INDEX;
538
539 iface = usbd_get_iface(uaa->device, iface_index);
540 if (iface == NULL)
541 {
542 printf("%s: could not get USB interface\n",
543 device_get_nameunit(sc->dev));
544 return ENXIO;
545 }
546
547 iface_desc = usbd_get_interface_descriptor(iface);
548 if (iface_desc == NULL)
549 {
550 printf("%s: could not get USB interface descriptor\n",
551 device_get_nameunit(sc->dev));
552 return ENXIO;
553 }
554
555 sc->usb_endpoints = iface_desc->bNumEndpoints;
556 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
557 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
558 {
559 printf("%s: wrong number of USB endpoints=%d\n",
560 device_get_nameunit(sc->dev), sc->usb_endpoints);
561 return ENXIO;
562 }
563
564 mtx_init(&sc->lock, device_get_nameunit(dev),
565 MTX_NETWORK_LOCK, MTX_DEF);
566
567 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
568 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
569 sc, &sc->lock);
570 if (usb_error != 0)
571 {
572 printf("%s: could not allocate USB transfers: error=%s\n",
573 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
574 error = ENXIO;
575 goto fail;
576 }
577
578 sc->flags |= RT2870_SOFTC_FLAGS_VALID;
579
580 RT2870_SOFTC_LOCK(sc);
581
582 for (ntries = 0; ntries < 100; ntries++)
583 {
584 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
585 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
586 break;
587
588 DELAY(10);
589 }
590
591 if (ntries == 100)
592 {
593 printf("%s: timeout waiting for NIC to initialize\n",
594 device_get_nameunit(sc->dev));
595 error = ENXIO;
596 goto fail;
597 }
598
599 rt2870_read_eeprom(sc);
600
601 RT2870_SOFTC_UNLOCK(sc);
602
603 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
604 device_get_nameunit(sc->dev), sc->mac_rev,
605 rt2870_rf_name(sc->rf_rev));
606
607 RT2870_SOFTC_LOCK(sc);
608
609 /* clear key tables */
610
611 rt2870_asic_clear_keytables(sc);
612
613 RT2870_SOFTC_UNLOCK(sc);
614
615 /* allocate Tx and Rx rings */
616
617 for (i = 0; i < sc->usb_endpoints - 1; i++)
618 {
619 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
620 if (error != 0)
621 {
622 printf("%s: could not allocate Tx ring #%d\n",
623 device_get_nameunit(sc->dev), i);
624 goto fail;
625 }
626 }
627
628 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
629 sc->tx_ring_mgtqid = 5;
630 else
631 sc->tx_ring_mgtqid = 0;
632
633 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
634 if (error != 0)
635 {
636 printf("%s: could not allocate Rx ring\n",
637 device_get_nameunit(sc->dev));
638 goto fail;
639 }
640
641 callout_init(&sc->periodic_ch, 0);
642 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
643
644 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
645 if (ifp == NULL)
646 {
647 printf("%s: could not if_alloc()\n",
648 device_get_nameunit(sc->dev));
649 error = ENOMEM;
650 goto fail;
651 }
652
653 ifp->if_softc = sc;
654
655 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
656
657 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
658
659 ifp->if_init = rt2870_init;
660 ifp->if_ioctl = rt2870_ioctl;
661 ifp->if_start = rt2870_start;
662
663 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
664 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
665 IFQ_SET_READY(&ifp->if_snd);
666
667 ic = ifp->if_l2com;
668
669 ic->ic_ifp = ifp;
670
671 ic->ic_phytype = IEEE80211_T_HT;
672 ic->ic_opmode = IEEE80211_M_STA;
673
674 ic->ic_caps = IEEE80211_C_MONITOR |
675 IEEE80211_C_IBSS |
676 IEEE80211_C_STA |
677 IEEE80211_C_AHDEMO |
678 IEEE80211_C_HOSTAP |
679 IEEE80211_C_WDS |
680 IEEE80211_C_MBSS |
681 IEEE80211_C_BGSCAN |
682 IEEE80211_C_TXPMGT |
683 IEEE80211_C_SHPREAMBLE |
684 IEEE80211_C_SHSLOT |
685 IEEE80211_C_TXFRAG |
686 IEEE80211_C_BURST |
687 IEEE80211_C_WME |
688 IEEE80211_C_WPA;
689
690 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
691 IEEE80211_CRYPTO_TKIP |
692 IEEE80211_CRYPTO_TKIPMIC |
693 IEEE80211_CRYPTO_AES_CCM;
694
695 ic->ic_htcaps = IEEE80211_HTC_HT |
696 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
697 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
698 IEEE80211_HTC_SMPS | /* MIMO power save */
699 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
700 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
701 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
702 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
703 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
704 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
705
706 /* spatial streams */
707
708 if (sc->nrxpath == 2)
709 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
710 else if (sc->nrxpath == 3)
711 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
712 else
713 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
714
715 if (sc->ntxpath > 1)
716 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
717
718 /* delayed BA */
719
720 if (sc->mac_rev != 0x28600100)
721 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
722
723 /* init channels */
724
725 ic->ic_nchans = 0;
726
727 rt2870_init_channels(sc);
728
729 rt2870_init_channels_ht40(sc);
730
731 ieee80211_ifattach(ic, sc->mac_addr);
732
733 ic->ic_vap_create = rt2870_vap_create;
734 ic->ic_vap_delete = rt2870_vap_delete;
735
736 ic->ic_node_alloc = rt2870_node_alloc;
737
738 sc->node_cleanup = ic->ic_node_cleanup;
739 ic->ic_node_cleanup = rt2870_node_cleanup;
740
741 ic->ic_node_getmimoinfo = rt2870_node_getmimoinfo;
742 ic->ic_setregdomain = rt2870_setregdomain;
743 ic->ic_getradiocaps = rt2870_getradiocaps;
744 ic->ic_scan_start = rt2870_scan_start;
745 ic->ic_scan_end = rt2870_scan_end;
746 ic->ic_set_channel = rt2870_set_channel;
747 ic->ic_newassoc = rt2870_newassoc;
748 ic->ic_updateslot = rt2870_updateslot;
749 ic->ic_update_promisc = rt2870_update_promisc;
750 ic->ic_update_mcast = rt2870_update_mcast;
751 ic->ic_wme.wme_update = rt2870_wme_update;
752 ic->ic_raw_xmit = rt2870_raw_xmit;
753
754 sc->recv_action = ic->ic_recv_action;
755 ic->ic_recv_action = rt2870_recv_action;
756
757 sc->send_action = ic->ic_send_action;
758 ic->ic_send_action = rt2870_send_action;
759
760 /* hardware requires padding between 802.11 frame header and body */
761
762 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
763
764 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
765
766 ieee80211_radiotap_attach(ic,
767 &sc->txtap.ihdr, sizeof(sc->txtap),
768 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
769 &sc->rxtap.ihdr, sizeof(sc->rxtap),
770 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
771
772 /* init task queue */
773
774 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
775 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
776 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
777 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
778
779 sc->rx_process_limit = 100;
780
781 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
782 taskqueue_thread_enqueue, &sc->taskqueue);
783
784 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
785 device_get_nameunit(sc->dev));
786
787 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
788
789 rt2870_sysctl_attach(sc);
790
791 if (bootverbose)
792 ieee80211_announce(ic);
793
794 return 0;
795
796 fail:
797
798 /* stop all USB transfers */
799
800 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
801
802 /* free Tx and Rx rings */
803
804 for (i = 0; i < sc->usb_endpoints - 1; i++)
805 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
806
807 rt2870_free_rx_ring(sc, &sc->rx_ring);
808
809 mtx_destroy(&sc->lock);
810
811 return error;
812 }
813
814 /*
815 * rt2870_detach
816 */
817 static int rt2870_detach(device_t dev)
818 {
819 struct rt2870_softc *sc;
820 struct ieee80211com *ic;
821 struct ifnet *ifp;
822 int i;
823
824 if (!device_is_attached(dev))
825 return 0;
826
827 sc = device_get_softc(dev);
828 ifp = sc->ifp;
829 ic = ifp->if_l2com;
830
831 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
832 "%s: detaching\n",
833 device_get_nameunit(sc->dev));
834
835 RT2870_SOFTC_LOCK(sc);
836
837 sc->flags &= ~RT2870_SOFTC_FLAGS_VALID;
838
839 sc->tx_timer = 0;
840
841 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
842
843 callout_stop(&sc->periodic_ch);
844 callout_stop(&sc->tx_watchdog_ch);
845
846 RT2870_SOFTC_UNLOCK(sc);
847
848 taskqueue_block(sc->taskqueue);
849
850 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
851 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
852 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
853 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
854
855 /* stop all USB transfers */
856
857 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
858
859 RT2870_SOFTC_LOCK(sc);
860
861 /* free Tx and Rx rings */
862
863 for (i = 0; i < sc->usb_endpoints - 1; i++)
864 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
865
866 rt2870_free_rx_ring(sc, &sc->rx_ring);
867
868 RT2870_SOFTC_UNLOCK(sc);
869
870 ieee80211_ifdetach(ic);
871
872 if_free(ifp);
873
874 taskqueue_free(sc->taskqueue);
875
876 mtx_destroy(&sc->lock);
877
878 return 0;
879 }
880
881 /*
882 * rt2870_init_channels
883 */
884 static void rt2870_init_channels(struct rt2870_softc *sc)
885 {
886 struct ifnet *ifp;
887 struct ieee80211com *ic;
888 struct ieee80211_channel *c;
889 int i, flags;
890
891 ifp = sc->ifp;
892 ic = ifp->if_l2com;
893
894 /* set supported channels for 2GHz band */
895
896 for (i = 1; i <= 14; i++)
897 {
898 c = &ic->ic_channels[ic->ic_nchans++];
899 flags = IEEE80211_CHAN_B;
900
901 c->ic_freq = ieee80211_ieee2mhz(i, flags);
902 c->ic_ieee = i;
903 c->ic_flags = flags;
904
905 c = &ic->ic_channels[ic->ic_nchans++];
906 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
907
908 c->ic_freq = ieee80211_ieee2mhz(i, flags);
909 c->ic_ieee = i;
910 c->ic_flags = flags;
911
912 c = &ic->ic_channels[ic->ic_nchans++];
913 flags = IEEE80211_CHAN_G;
914
915 c->ic_freq = ieee80211_ieee2mhz(i, flags);
916 c->ic_ieee = i;
917 c->ic_flags = flags;
918
919 c = &ic->ic_channels[ic->ic_nchans++];
920 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
921
922 c->ic_freq = ieee80211_ieee2mhz(i, flags);
923 c->ic_ieee = i;
924 c->ic_flags = flags;
925 }
926
927 /* set supported channels for 5GHz band */
928
929 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
930 sc->rf_rev == RT2870_EEPROM_RF_2750)
931 {
932 for (i = 36; i <= 64; i += 4)
933 {
934 c = &ic->ic_channels[ic->ic_nchans++];
935 flags = IEEE80211_CHAN_A;
936
937 c->ic_freq = ieee80211_ieee2mhz(i, flags);
938 c->ic_ieee = i;
939 c->ic_flags = flags;
940
941 c = &ic->ic_channels[ic->ic_nchans++];
942 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
943
944 c->ic_freq = ieee80211_ieee2mhz(i, flags);
945 c->ic_ieee = i;
946 c->ic_flags = flags;
947 }
948
949 for (i = 100; i <= 140; i += 4)
950 {
951 c = &ic->ic_channels[ic->ic_nchans++];
952 flags = IEEE80211_CHAN_A;
953
954 c->ic_freq = ieee80211_ieee2mhz(i, flags);
955 c->ic_ieee = i;
956 c->ic_flags = flags;
957
958 c = &ic->ic_channels[ic->ic_nchans++];
959 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
960
961 c->ic_freq = ieee80211_ieee2mhz(i, flags);
962 c->ic_ieee = i;
963 c->ic_flags = flags;
964 }
965
966 for (i = 149; i <= 165; i += 4)
967 {
968 c = &ic->ic_channels[ic->ic_nchans++];
969 flags = IEEE80211_CHAN_A;
970
971 c->ic_freq = ieee80211_ieee2mhz(i, flags);
972 c->ic_ieee = i;
973 c->ic_flags = flags;
974
975 c = &ic->ic_channels[ic->ic_nchans++];
976 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
977
978 c->ic_freq = ieee80211_ieee2mhz(i, flags);
979 c->ic_ieee = i;
980 c->ic_flags = flags;
981 }
982 }
983 }
984
985 /*
986 * rt2870_init_channels_ht40
987 */
988 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
989 {
990 struct ifnet *ifp;
991 struct ieee80211com *ic;
992 struct ieee80211_channel *c, *cent, *ext;
993 int i, flags;
994
995 ifp = sc->ifp;
996 ic = ifp->if_l2com;
997
998 /* set supported channels for 2GHz band */
999
1000 for (i = 1; i <= 14; i++)
1001 {
1002 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1003
1004 /* find the center channel */
1005
1006 cent = ieee80211_find_channel_byieee(ic, i,
1007 flags & ~IEEE80211_CHAN_HT);
1008 if (cent == NULL)
1009 {
1010 printf("%s: skip channel %d, could not find center channel\n",
1011 device_get_nameunit(sc->dev), i);
1012 continue;
1013 }
1014
1015 /* find the extension channel */
1016
1017 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1018 flags & ~IEEE80211_CHAN_HT);
1019 if (ext == NULL)
1020 {
1021 printf("%s: skip channel %d, could not find extension channel\n",
1022 device_get_nameunit(sc->dev), i);
1023 continue;
1024 }
1025
1026 c = &ic->ic_channels[ic->ic_nchans++];
1027
1028 *c = *cent;
1029 c->ic_extieee = ext->ic_ieee;
1030 c->ic_flags &= ~IEEE80211_CHAN_HT;
1031 c->ic_flags |= IEEE80211_CHAN_HT40U;
1032
1033 c = &ic->ic_channels[ic->ic_nchans++];
1034
1035 *c = *ext;
1036 c->ic_extieee = cent->ic_ieee;
1037 c->ic_flags &= ~IEEE80211_CHAN_HT;
1038 c->ic_flags |= IEEE80211_CHAN_HT40D;
1039 }
1040
1041 /* set supported channels for 5GHz band */
1042
1043 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1044 sc->rf_rev == RT2870_EEPROM_RF_2750)
1045 {
1046 for (i = 36; i <= 64; i += 4)
1047 {
1048 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1049
1050 /* find the center channel */
1051
1052 cent = ieee80211_find_channel_byieee(ic, i,
1053 flags & ~IEEE80211_CHAN_HT);
1054 if (cent == NULL)
1055 {
1056 printf("%s: skip channel %d, could not find center channel\n",
1057 device_get_nameunit(sc->dev), i);
1058 continue;
1059 }
1060
1061 /* find the extension channel */
1062
1063 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1064 flags & ~IEEE80211_CHAN_HT);
1065 if (ext == NULL)
1066 {
1067 printf("%s: skip channel %d, could not find extension channel\n",
1068 device_get_nameunit(sc->dev), i);
1069 continue;
1070 }
1071
1072 c = &ic->ic_channels[ic->ic_nchans++];
1073
1074 *c = *cent;
1075 c->ic_extieee = ext->ic_ieee;
1076 c->ic_flags &= ~IEEE80211_CHAN_HT;
1077 c->ic_flags |= IEEE80211_CHAN_HT40U;
1078
1079 c = &ic->ic_channels[ic->ic_nchans++];
1080
1081 *c = *ext;
1082 c->ic_extieee = cent->ic_ieee;
1083 c->ic_flags &= ~IEEE80211_CHAN_HT;
1084 c->ic_flags |= IEEE80211_CHAN_HT40D;
1085 }
1086
1087 for (i = 100; i <= 140; i += 4)
1088 {
1089 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1090
1091 /* find the center channel */
1092
1093 cent = ieee80211_find_channel_byieee(ic, i,
1094 flags & ~IEEE80211_CHAN_HT);
1095 if (cent == NULL)
1096 {
1097 printf("%s: skip channel %d, could not find center channel\n",
1098 device_get_nameunit(sc->dev), i);
1099 continue;
1100 }
1101
1102 /* find the extension channel */
1103
1104 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1105 flags & ~IEEE80211_CHAN_HT);
1106 if (ext == NULL)
1107 {
1108 printf("%s: skip channel %d, could not find extension channel\n",
1109 device_get_nameunit(sc->dev), i);
1110 continue;
1111 }
1112
1113 c = &ic->ic_channels[ic->ic_nchans++];
1114
1115 *c = *cent;
1116 c->ic_extieee = ext->ic_ieee;
1117 c->ic_flags &= ~IEEE80211_CHAN_HT;
1118 c->ic_flags |= IEEE80211_CHAN_HT40U;
1119
1120 c = &ic->ic_channels[ic->ic_nchans++];
1121
1122 *c = *ext;
1123 c->ic_extieee = cent->ic_ieee;
1124 c->ic_flags &= ~IEEE80211_CHAN_HT;
1125 c->ic_flags |= IEEE80211_CHAN_HT40D;
1126 }
1127
1128 for (i = 149; i <= 165; i += 4)
1129 {
1130 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1131
1132 /* find the center channel */
1133
1134 cent = ieee80211_find_channel_byieee(ic, i,
1135 flags & ~IEEE80211_CHAN_HT);
1136 if (cent == NULL)
1137 {
1138 printf("%s: skip channel %d, could not find center channel\n",
1139 device_get_nameunit(sc->dev), i);
1140 continue;
1141 }
1142
1143 /* find the extension channel */
1144
1145 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1146 flags & ~IEEE80211_CHAN_HT);
1147 if (ext == NULL)
1148 {
1149 printf("%s: skip channel %d, could not find extension channel\n",
1150 device_get_nameunit(sc->dev), i);
1151 continue;
1152 }
1153
1154 c = &ic->ic_channels[ic->ic_nchans++];
1155
1156 *c = *cent;
1157 c->ic_extieee = ext->ic_ieee;
1158 c->ic_flags &= ~IEEE80211_CHAN_HT;
1159 c->ic_flags |= IEEE80211_CHAN_HT40U;
1160
1161 c = &ic->ic_channels[ic->ic_nchans++];
1162
1163 *c = *ext;
1164 c->ic_extieee = cent->ic_ieee;
1165 c->ic_flags &= ~IEEE80211_CHAN_HT;
1166 c->ic_flags |= IEEE80211_CHAN_HT40D;
1167 }
1168 }
1169 }
1170
1171 /*
1172 * rt2870_init_locked
1173 */
1174 static void rt2870_init_locked(void *priv)
1175 {
1176 struct rt2870_softc *sc;
1177 struct ifnet *ifp;
1178 struct ieee80211com *ic;
1179 int ntries, error, i;
1180 uint32_t tmp, stacnt[6];
1181
1182 sc = priv;
1183 ifp = sc->ifp;
1184 ic = ifp->if_l2com;
1185
1186 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1187 "%s: initializing\n",
1188 device_get_nameunit(sc->dev));
1189
1190 RT2870_SOFTC_ASSERT_LOCKED(sc);
1191
1192 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1193 {
1194 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1195 "%s: loading 8051 microcode\n",
1196 device_get_nameunit(sc->dev));
1197
1198 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1199 if (error != 0)
1200 {
1201 printf("%s: could not load 8051 microcode\n",
1202 device_get_nameunit(sc->dev));
1203 goto fail;
1204 }
1205
1206 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1207 "%s: 8051 microcode was successfully loaded\n",
1208 device_get_nameunit(sc->dev));
1209
1210 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1211 }
1212
1213 /* wait while DMA engine is busy */
1214
1215 for (ntries = 0; ntries < 100; ntries++)
1216 {
1217 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1218 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1219 break;
1220
1221 DELAY(1000);
1222 }
1223
1224 if (ntries == 100)
1225 {
1226 printf("%s: timeout waiting for DMA engine\n",
1227 device_get_nameunit(sc->dev));
1228 goto fail;
1229 }
1230
1231 tmp &= 0xff0;
1232 tmp |= RT2870_REG_TX_WB_DDONE;
1233
1234 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1235
1236 /* PBF hardware reset */
1237
1238 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1239
1240 tmp &= ~(1 << 13);
1241
1242 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1243
1244 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1245 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1246
1247 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1248
1249 rt2870_io_mcu_reset(sc);
1250
1251 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1252
1253 /* init Tx power per rate */
1254
1255 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1256 {
1257 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1258 continue;
1259
1260 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1261 sc->txpow_rate_20mhz[i]);
1262 }
1263
1264 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1265 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1266 rt2870_def_mac[i].val);
1267
1268 /* wait while MAC is busy */
1269
1270 for (ntries = 0; ntries < 100; ntries++)
1271 {
1272 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1273 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1274 break;
1275
1276 DELAY(1000);
1277 }
1278
1279 if (ntries == 100)
1280 {
1281 printf("%s: timeout waiting for MAC\n",
1282 device_get_nameunit(sc->dev));
1283 goto fail;
1284 }
1285
1286 /* clear Host to MCU mailbox */
1287
1288 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1289 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1290
1291 DELAY(1000);
1292
1293 error = rt2870_init_bbp(sc);
1294 if (error != 0)
1295 goto fail;
1296
1297 /* set up maximum buffer sizes */
1298
1299 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1300
1301 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1302
1303 if (sc->mac_rev == 0x28720200)
1304 {
1305 /* set max. PSDU length from 16K to 32K bytes */
1306
1307 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1308
1309 tmp &= ~(3 << 12);
1310 tmp |= (2 << 12);
1311
1312 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1313 }
1314
1315 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1316 {
1317 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1318
1319 tmp &= 0xfff;
1320 tmp |= 0x2000;
1321
1322 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1323 }
1324
1325 /* set mac address */
1326
1327 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1328
1329 /* clear statistic registers */
1330
1331 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1332 stacnt, sizeof(stacnt));
1333
1334 /* send LEDs operating mode to microcontroller */
1335
1336 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1337 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1338 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1339 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1340 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1341 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1342
1343 /* write vendor-specific BBP values (from EEPROM) */
1344
1345 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1346 {
1347 if (sc->bbp_eeprom[i].reg == 0x00 ||
1348 sc->bbp_eeprom[i].reg == 0xff)
1349 continue;
1350
1351 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1352 sc->bbp_eeprom[i].val);
1353 }
1354
1355 /* disable non-existing Rx chains */
1356
1357 tmp = rt2870_io_bbp_read(sc, 3);
1358
1359 tmp &= ~((1 << 4) | (1 << 3));
1360
1361 if (sc->nrxpath == 3)
1362 tmp |= (1 << 4);
1363 else if (sc->nrxpath == 2)
1364 tmp |= (1 << 3);
1365
1366 rt2870_io_bbp_write(sc, 3, tmp);
1367
1368 /* disable non-existing Tx chains */
1369
1370 tmp = rt2870_io_bbp_read(sc, 1);
1371
1372 tmp &= ~((1 << 4) | (1 << 3));
1373
1374 if (sc->ntxpath == 2)
1375 tmp |= (1 << 4);
1376
1377 rt2870_io_bbp_write(sc, 1, tmp);
1378
1379 /* set current channel */
1380
1381 rt2870_rf_set_chan(sc, ic->ic_curchan);
1382
1383 /* turn radio LED on */
1384
1385 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1386
1387 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1388 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1389
1390 /* set RTS threshold */
1391
1392 rt2870_asic_update_rtsthreshold(sc);
1393
1394 /* set Tx power */
1395
1396 rt2870_asic_update_txpower(sc);
1397
1398 /* set up protection mode */
1399
1400 sc->tx_ampdu_sessions = 0;
1401
1402 rt2870_asic_updateprot(sc);
1403
1404 /* clear beacon frame space (entries = 8, entry size = 512) */
1405
1406 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1407
1408 if (rt2870_txrx_enable(sc) != 0)
1409 goto fail;
1410
1411 /* clear garbage interrupts */
1412
1413 tmp = rt2870_io_mac_read(sc, 0x1300);
1414
1415 taskqueue_unblock(sc->taskqueue);
1416
1417 /* init Tx and Rx rings */
1418
1419 for(i = 0; i < sc->usb_endpoints - 1; i++)
1420 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1421
1422 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1423
1424 for(i = 0; i < sc->usb_endpoints - 1; i++)
1425 {
1426 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1427 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1428 }
1429
1430 /* start up the receive pipe */
1431
1432 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1433 usbd_transfer_start(sc->usb_xfer[0]);
1434
1435 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1436 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1437
1438 sc->periodic_round = 0;
1439
1440 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1441
1442 return;
1443
1444 fail:
1445
1446 rt2870_stop_locked(sc);
1447 }
1448
1449 /*
1450 * rt2870_init
1451 */
1452 static void rt2870_init(void *priv)
1453 {
1454 struct rt2870_softc *sc;
1455
1456 sc = priv;
1457
1458 RT2870_SOFTC_LOCK(sc);
1459
1460 rt2870_init_locked(sc);
1461
1462 RT2870_SOFTC_UNLOCK(sc);
1463 }
1464
1465 /*
1466 * rt2870_init_bbp
1467 */
1468 static int rt2870_init_bbp(struct rt2870_softc *sc)
1469 {
1470 int ntries, i;
1471 uint8_t tmp;
1472
1473 for (ntries = 0; ntries < 20; ntries++)
1474 {
1475 tmp = rt2870_io_bbp_read(sc, 0);
1476 if (tmp != 0x00 && tmp != 0xff)
1477 break;
1478 }
1479
1480 if (tmp == 0x00 || tmp == 0xff)
1481 {
1482 printf("%s: timeout waiting for BBP to wakeup\n",
1483 device_get_nameunit(sc->dev));
1484 return ETIMEDOUT;
1485 }
1486
1487 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1488 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1489 rt2870_def_bbp[i].val);
1490
1491 if ((sc->mac_rev & 0xffff) != 0x0101)
1492 rt2870_io_bbp_write(sc, 84, 0x19);
1493
1494 if (sc->mac_rev == 0x28600100)
1495 {
1496 rt2870_io_bbp_write(sc, 69, 0x16);
1497 rt2870_io_bbp_write(sc, 73, 0x12);
1498 }
1499
1500 return 0;
1501 }
1502
1503 /*
1504 * rt2870_stop_locked
1505 */
1506 static void rt2870_stop_locked(void *priv)
1507 {
1508 struct rt2870_softc *sc;
1509 struct ifnet *ifp;
1510 struct ieee80211com *ic;
1511 uint32_t tmp;
1512 int i;
1513
1514 sc = priv;
1515 ifp = sc->ifp;
1516 ic = ifp->if_l2com;
1517
1518 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1519 "%s: stopping\n",
1520 device_get_nameunit(sc->dev));
1521
1522 RT2870_SOFTC_ASSERT_LOCKED(sc);
1523
1524 sc->tx_timer = 0;
1525
1526 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1527 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1528
1529 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1530
1531 callout_stop(&sc->periodic_ch);
1532 callout_stop(&sc->tx_watchdog_ch);
1533
1534 RT2870_SOFTC_UNLOCK(sc);
1535
1536 taskqueue_block(sc->taskqueue);
1537
1538 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1539 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1540 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1541 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1542
1543 RT2870_SOFTC_LOCK(sc);
1544
1545 /* clear key tables */
1546
1547 rt2870_asic_clear_keytables(sc);
1548
1549 /* disable Tx/Rx */
1550
1551 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1552
1553 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1554
1555 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1556
1557 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1558
1559 /* reset adapter */
1560
1561 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1562 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1563 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1564
1565 /* abort any pending transfers */
1566
1567 for (i = 0; i < sc->usb_endpoints; i++)
1568 usbd_transfer_stop(sc->usb_xfer[i]);
1569 }
1570
1571 /*
1572 * rt2870_stop
1573 */
1574 static void rt2870_stop(void *priv)
1575 {
1576 struct rt2870_softc *sc;
1577
1578 sc = priv;
1579
1580 RT2870_SOFTC_LOCK(sc);
1581
1582 rt2870_stop_locked(sc);
1583
1584 RT2870_SOFTC_UNLOCK(sc);
1585 }
1586
1587 /*
1588 * rt2870_start
1589 */
1590 static void rt2870_start(struct ifnet *ifp)
1591 {
1592 struct rt2870_softc *sc;
1593 struct ieee80211_node *ni;
1594 struct mbuf *m;
1595 int qid;
1596
1597 sc = ifp->if_softc;
1598
1599 RT2870_SOFTC_LOCK(sc);
1600
1601 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1602 {
1603 RT2870_SOFTC_UNLOCK(sc);
1604 return;
1605 }
1606
1607 for (;;)
1608 {
1609 IF_POLL(&ifp->if_snd, m);
1610 if (m == NULL)
1611 break;
1612
1613 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1614
1615 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1616
1617 qid = M_WME_GETAC(m);
1618
1619 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1620 {
1621 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1622 "%s: if_start: Tx ring with qid=%d is full\n",
1623 device_get_nameunit(sc->dev), qid);
1624
1625 m_freem(m);
1626 ieee80211_free_node(ni);
1627
1628 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1629 ifp->if_oerrors++;
1630
1631 sc->tx_data_queue_full[qid]++;
1632
1633 break;
1634 }
1635
1636 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1637 {
1638 ieee80211_free_node(ni);
1639 ifp->if_oerrors++;
1640 break;
1641 }
1642
1643 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1644
1645 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1646 }
1647
1648 RT2870_SOFTC_UNLOCK(sc);
1649 }
1650
1651 /*
1652 * rt2870_ioctl
1653 */
1654 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1655 {
1656 struct rt2870_softc *sc;
1657 struct ieee80211com *ic;
1658 struct ifreq *ifr;
1659 int error, startall;
1660
1661 sc = ifp->if_softc;
1662 ic = ifp->if_l2com;
1663 ifr = (struct ifreq *) data;
1664
1665 error = 0;
1666
1667 switch (cmd)
1668 {
1669 case SIOCSIFFLAGS:
1670 startall = 0;
1671
1672 RT2870_SOFTC_LOCK(sc);
1673
1674 if (ifp->if_flags & IFF_UP)
1675 {
1676 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1677 {
1678 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1679 rt2870_asic_update_promisc(sc);
1680 }
1681 else
1682 {
1683 rt2870_init_locked(sc);
1684 startall = 1;
1685 }
1686 }
1687 else
1688 {
1689 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1690 rt2870_stop_locked(sc);
1691 }
1692
1693 sc->if_flags = ifp->if_flags;
1694
1695 RT2870_SOFTC_UNLOCK(sc);
1696
1697 if (startall)
1698 ieee80211_start_all(ic);
1699 break;
1700
1701 case SIOCGIFMEDIA:
1702 case SIOCSIFMEDIA:
1703 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1704 break;
1705
1706 case SIOCGIFADDR:
1707 error = ether_ioctl(ifp, cmd, data);
1708 break;
1709
1710 default:
1711 error = EINVAL;
1712 break;
1713 }
1714
1715 return error;
1716 }
1717
1718 /*
1719 * rt2870_vap_create
1720 */
1721 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1722 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1723 const uint8_t bssid[IEEE80211_ADDR_LEN],
1724 const uint8_t mac[IEEE80211_ADDR_LEN])
1725 {
1726 struct rt2870_softc *sc;
1727 struct ifnet *ifp;
1728 struct rt2870_softc_vap *rvap;
1729 struct ieee80211vap *vap;
1730
1731 ifp = ic->ic_ifp;
1732 sc = ifp->if_softc;
1733
1734 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1735 "%s: VAP create: opmode=%s\n",
1736 device_get_nameunit(sc->dev),
1737 ieee80211_opmode_name[opmode]);
1738
1739 switch (opmode)
1740 {
1741 case IEEE80211_M_IBSS:
1742 case IEEE80211_M_STA:
1743 case IEEE80211_M_AHDEMO:
1744 case IEEE80211_M_HOSTAP:
1745 case IEEE80211_M_MBSS:
1746 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1747 {
1748 if_printf(ifp, "only 1 VAP supported\n");
1749 return NULL;
1750 }
1751
1752 if (opmode == IEEE80211_M_STA)
1753 flags |= IEEE80211_CLONE_NOBEACONS;
1754 break;
1755
1756 case IEEE80211_M_WDS:
1757 if (sc->napvaps == 0)
1758 {
1759 if_printf(ifp, "WDS only supported in AP mode\n");
1760 return NULL;
1761 }
1762 break;
1763
1764 case IEEE80211_M_MONITOR:
1765 break;
1766
1767 default:
1768 if_printf(ifp, "unknown opmode %d\n", opmode);
1769 return NULL;
1770 }
1771
1772 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1773 M_80211_VAP, M_NOWAIT | M_ZERO);
1774 if (rvap == NULL)
1775 return NULL;
1776
1777 vap = &rvap->vap;
1778
1779 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1780
1781 rvap->newstate = vap->iv_newstate;
1782 vap->iv_newstate = rt2870_vap_newstate;
1783
1784 vap->iv_reset = rt2870_vap_reset;
1785 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1786 vap->iv_key_update_end = rt2870_vap_key_update_end;
1787 vap->iv_key_set = rt2870_vap_key_set;
1788 vap->iv_key_delete = rt2870_vap_key_delete;
1789 vap->iv_update_beacon = rt2870_vap_update_beacon;
1790
1791 rt2870_amrr_init(&rvap->amrr, vap,
1792 sc->ntxpath,
1793 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1794 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1795 500);
1796
1797 vap->iv_max_aid = RT2870_SOFTC_STAID_COUNT;
1798
1799 /* override default Rx A-MPDU factor */
1800
1801 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1802 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1803 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1804
1805 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1806
1807 switch (vap->iv_opmode)
1808 {
1809 case IEEE80211_M_HOSTAP:
1810 case IEEE80211_M_MBSS:
1811 case IEEE80211_M_AHDEMO:
1812 sc->napvaps++;
1813 break;
1814
1815 case IEEE80211_M_IBSS:
1816 sc->nadhocvaps++;
1817 break;
1818
1819 case IEEE80211_M_STA:
1820 sc->nstavaps++;
1821 break;
1822
1823 case IEEE80211_M_WDS:
1824 sc->nwdsvaps++;
1825 break;
1826
1827 default:
1828 break;
1829 }
1830
1831 sc->nvaps++;
1832
1833 if (sc->napvaps > 0)
1834 ic->ic_opmode = IEEE80211_M_HOSTAP;
1835 else if (sc->nadhocvaps > 0)
1836 ic->ic_opmode = IEEE80211_M_IBSS;
1837 else if (sc->nstavaps > 0)
1838 ic->ic_opmode = IEEE80211_M_STA;
1839 else
1840 ic->ic_opmode = opmode;
1841
1842 return vap;
1843 }
1844
1845 /*
1846 * rt2870_vap_delete
1847 */
1848 static void rt2870_vap_delete(struct ieee80211vap *vap)
1849 {
1850 struct rt2870_softc *sc;
1851 struct ieee80211com *ic;
1852 struct ifnet *ifp;
1853 struct rt2870_softc_vap *rvap;
1854 enum ieee80211_opmode opmode;
1855
1856 ic = vap->iv_ic;
1857 ifp = ic->ic_ifp;
1858 sc = ifp->if_softc;
1859 rvap = (struct rt2870_softc_vap *) vap;
1860 opmode = vap->iv_opmode;
1861
1862 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1863 "%s: VAP delete: opmode=%s\n",
1864 device_get_nameunit(sc->dev),
1865 ieee80211_opmode_name[opmode]);
1866
1867 rt2870_amrr_cleanup(&rvap->amrr);
1868
1869 ieee80211_vap_detach(vap);
1870
1871 if (rvap->beacon_mbuf != NULL)
1872 {
1873 m_free(rvap->beacon_mbuf);
1874 rvap->beacon_mbuf = NULL;
1875 }
1876
1877 switch (opmode)
1878 {
1879 case IEEE80211_M_HOSTAP:
1880 case IEEE80211_M_MBSS:
1881 case IEEE80211_M_AHDEMO:
1882 sc->napvaps--;
1883 break;
1884
1885 case IEEE80211_M_IBSS:
1886 sc->nadhocvaps--;
1887 break;
1888
1889 case IEEE80211_M_STA:
1890 sc->nstavaps--;
1891 break;
1892
1893 case IEEE80211_M_WDS:
1894 sc->nwdsvaps--;
1895 break;
1896
1897 default:
1898 break;
1899 }
1900
1901 sc->nvaps--;
1902
1903 if (sc->napvaps > 0)
1904 ic->ic_opmode = IEEE80211_M_HOSTAP;
1905 else if (sc->nadhocvaps > 0)
1906 ic->ic_opmode = IEEE80211_M_IBSS;
1907 else if (sc->nstavaps > 0)
1908 ic->ic_opmode = IEEE80211_M_STA;
1909
1910 free(rvap, M_80211_VAP);
1911 }
1912
1913 /*
1914 * rt2870_reset_vap
1915 */
1916 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1917 {
1918 struct rt2870_softc *sc;
1919 struct ieee80211com *ic;
1920 struct ifnet *ifp;
1921 struct rt2870_softc_vap *rvap;
1922 int error;
1923
1924 ic = vap->iv_ic;
1925 ifp = ic->ic_ifp;
1926 sc = ifp->if_softc;
1927 rvap = (struct rt2870_softc_vap *) vap;
1928
1929 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1930 "%s: VAP reset: cmd=%lu\n",
1931 device_get_nameunit(sc->dev), cmd);
1932
1933 error = 0;
1934
1935 RT2870_SOFTC_LOCK(sc);
1936
1937 switch (cmd)
1938 {
1939 case IEEE80211_IOC_RTSTHRESHOLD:
1940 case IEEE80211_IOC_AMSDU:
1941 rt2870_asic_update_rtsthreshold(sc);
1942 break;
1943
1944 case IEEE80211_IOC_PROTMODE:
1945 case IEEE80211_IOC_HTPROTMODE:
1946 rt2870_asic_updateprot(sc);
1947 break;
1948
1949 case IEEE80211_IOC_TXPOWER:
1950 rt2870_asic_update_txpower(sc);
1951 break;
1952
1953 case IEEE80211_IOC_BURST:
1954 rt2870_asic_updateslot(sc);
1955 break;
1956
1957 case IEEE80211_IOC_SHORTGI:
1958 case IEEE80211_IOC_AMPDU_DENSITY:
1959 case IEEE80211_IOC_SMPS:
1960 break;
1961
1962 default:
1963 error = ENETRESET;
1964 break;
1965 }
1966
1967 RT2870_SOFTC_UNLOCK(sc);
1968
1969 return error;
1970 }
1971
1972 /*
1973 * rt2870_vap_newstate
1974 */
1975 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1976 enum ieee80211_state nstate, int arg)
1977 {
1978 struct rt2870_softc *sc;
1979 struct ieee80211com *ic;
1980 struct ifnet *ifp;
1981 struct rt2870_softc_vap *rvap;
1982 struct ieee80211_node *ni;
1983 int error;
1984
1985 ic = vap->iv_ic;
1986 ifp = ic->ic_ifp;
1987 sc = ifp->if_softc;
1988 rvap = (struct rt2870_softc_vap *) vap;
1989
1990 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1991 "%s: VAP newstate: %s -> %s\n",
1992 device_get_nameunit(sc->dev),
1993 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1994
1995 error = rvap->newstate(vap, nstate, arg);
1996 if (error != 0)
1997 return error;
1998
1999 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2000 return error;
2001
2002 IEEE80211_UNLOCK(ic);
2003
2004 RT2870_SOFTC_LOCK(sc);
2005
2006 /* turn link LED off */
2007
2008 if (nstate != IEEE80211_S_RUN)
2009 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2010
2011 switch (nstate)
2012 {
2013 case IEEE80211_S_INIT:
2014 rt2870_asic_disable_tsf_sync(sc);
2015 break;
2016
2017 case IEEE80211_S_RUN:
2018 ni = vap->iv_bss;
2019
2020 rt2870_rf_set_chan(sc, ni->ni_chan);
2021
2022 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2023 {
2024 rt2870_asic_enable_mrr(sc);
2025 rt2870_asic_set_txpreamble(sc);
2026 rt2870_asic_set_basicrates(sc);
2027 rt2870_asic_update_txpower(sc);
2028 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2029 }
2030
2031 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2032 vap->iv_opmode == IEEE80211_M_IBSS ||
2033 vap->iv_opmode == IEEE80211_M_MBSS)
2034 {
2035 error = rt2870_beacon_alloc(sc, vap);
2036 if (error != 0)
2037 break;
2038
2039 rt2870_asic_update_beacon(sc, vap);
2040 }
2041
2042 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2043 rt2870_asic_enable_tsf_sync(sc);
2044
2045 /* turn link LED on */
2046
2047 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2048 {
2049 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2050 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2051 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2052 }
2053 break;
2054
2055 default:
2056 break;
2057 }
2058
2059 RT2870_SOFTC_UNLOCK(sc);
2060
2061 IEEE80211_LOCK(ic);
2062
2063 return error;
2064 }
2065
2066 /*
2067 * rt2870_vap_key_update_begin
2068 */
2069 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
2070 {
2071 struct rt2870_softc *sc;
2072 struct ieee80211com *ic;
2073 struct ifnet *ifp;
2074
2075 ic = vap->iv_ic;
2076 ifp = ic->ic_ifp;
2077 sc = ifp->if_softc;
2078
2079 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2080 "%s: VAP key update begin\n",
2081 device_get_nameunit(sc->dev));
2082
2083 taskqueue_block(sc->taskqueue);
2084
2085 IF_LOCK(&ifp->if_snd);
2086 }
2087
2088 /*
2089 * rt2870_vap_key_update_end
2090 */
2091 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
2092 {
2093 struct rt2870_softc *sc;
2094 struct ieee80211com *ic;
2095 struct ifnet *ifp;
2096
2097 ic = vap->iv_ic;
2098 ifp = ic->ic_ifp;
2099 sc = ifp->if_softc;
2100
2101 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2102 "%s: VAP key update end\n",
2103 device_get_nameunit(sc->dev));
2104
2105 IF_UNLOCK(&ifp->if_snd);
2106
2107 taskqueue_unblock(sc->taskqueue);
2108 }
2109
2110 /*
2111 * rt2870_vap_key_set
2112 */
2113 static int rt2870_vap_key_set(struct ieee80211vap *vap,
2114 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2115 {
2116 struct rt2870_softc *sc;
2117 struct ieee80211com *ic;
2118 struct ifnet *ifp;
2119 struct ieee80211_node *ni;
2120 struct rt2870_softc_node *rni;
2121 struct rt2870_cmd_argv_keyset cmd_argv;
2122
2123 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2124 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2125 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2126 return 0;
2127
2128 ic = vap->iv_ic;
2129 ifp = ic->ic_ifp;
2130 sc = ifp->if_softc;
2131
2132 cmd_argv.opmode = vap->iv_opmode;
2133
2134 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2135
2136 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2137 {
2138 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2139 rni = (struct rt2870_softc_node *) ni;
2140
2141 cmd_argv.staid = rni->staid;
2142
2143 ieee80211_free_node(ni);
2144 }
2145
2146 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2147 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2148
2149 return 1;
2150 }
2151
2152 /*
2153 * rt2870_vap_key_delete
2154 */
2155 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2156 const struct ieee80211_key *k)
2157 {
2158 struct rt2870_softc *sc;
2159 struct ieee80211com *ic;
2160 struct ifnet *ifp;
2161 struct rt2870_cmd_argv_keydelete cmd_argv;
2162
2163 ic = vap->iv_ic;
2164 ifp = ic->ic_ifp;
2165 sc = ifp->if_softc;
2166
2167 cmd_argv.opmode = vap->iv_opmode;
2168
2169 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2170
2171 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2172 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2173
2174 return 1;
2175 }
2176
2177 /*
2178 * rt2870_vap_update_beacon
2179 */
2180 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2181 {
2182 struct rt2870_softc *sc;
2183 struct ieee80211com *ic;
2184 struct ifnet *ifp;
2185 struct rt2870_softc_vap *rvap;
2186 struct mbuf *m;
2187 struct ieee80211_beacon_offsets *bo;
2188
2189 ic = vap->iv_ic;
2190 ifp = ic->ic_ifp;
2191 sc = ifp->if_softc;
2192 rvap = (struct rt2870_softc_vap *) vap;
2193 m = rvap->beacon_mbuf;
2194 bo = &rvap->beacon_offsets;
2195
2196 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2197 "%s: VAP update beacon: what=%d\n",
2198 device_get_nameunit(sc->dev), what);
2199
2200 setbit(bo->bo_flags, what);
2201
2202 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2203
2204 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2205 }
2206
2207 /*
2208 * rt2870_node_alloc
2209 */
2210 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2211 const uint8_t mac[IEEE80211_ADDR_LEN])
2212 {
2213 return malloc(sizeof(struct rt2870_softc_node),
2214 M_80211_NODE, M_NOWAIT | M_ZERO);
2215 }
2216
2217 /*
2218 * rt2870_node_cleanup
2219 */
2220 static void rt2870_node_cleanup(struct ieee80211_node *ni)
2221 {
2222 struct rt2870_softc *sc;
2223 struct ieee80211com *ic;
2224 struct ifnet *ifp;
2225 struct rt2870_softc_node *rni;
2226 struct rt2870_cmd_argv_nodecleanup cmd_argv;
2227
2228 ic = ni->ni_ic;
2229 ifp = ic->ic_ifp;
2230 sc = ifp->if_softc;
2231 rni = (struct rt2870_softc_node *) ni;
2232
2233 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2234 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2235 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2236 ni->ni_associd, rni->staid);
2237
2238 if (rni->staid != 0)
2239 {
2240 cmd_argv.staid = rni->staid;
2241
2242 rni->staid = 0;
2243
2244 rt2870_do_async(sc, rt2870_node_cleanup_cb,
2245 &cmd_argv, sizeof(struct rt2870_cmd_argv_nodecleanup));
2246 }
2247
2248 sc->node_cleanup(ni);
2249 }
2250
2251 /*
2252 * rt2870_node_getmimoinfo
2253 */
2254 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2255 struct ieee80211_mimo_info *mi)
2256 {
2257 const struct rt2870_softc_node *rni;
2258 int i;
2259
2260 rni = (const struct rt2870_softc_node *) ni;
2261
2262 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2263 {
2264 mi->rssi[i] = rni->last_rssi_dbm[i];
2265 mi->noise[i] = RT2870_NOISE_FLOOR;
2266 }
2267 }
2268
2269 /*
2270 * rt2870_setregdomain
2271 */
2272 static int rt2870_setregdomain(struct ieee80211com *ic,
2273 struct ieee80211_regdomain *reg,
2274 int nchans, struct ieee80211_channel chans[])
2275 {
2276 struct rt2870_softc *sc;
2277 struct ifnet *ifp;
2278
2279 ifp = ic->ic_ifp;
2280 sc = ifp->if_softc;
2281
2282 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2283 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2284 device_get_nameunit(sc->dev),
2285 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2286
2287 return 0;
2288 }
2289
2290 /*
2291 * rt2870_getradiocaps
2292 */
2293 static void rt2870_getradiocaps(struct ieee80211com *ic,
2294 int maxchans, int *nchans, struct ieee80211_channel chans[])
2295 {
2296 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2297
2298 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2299 }
2300
2301 /*
2302 * rt2870_scan_start
2303 */
2304 static void rt2870_scan_start(struct ieee80211com *ic)
2305 {
2306 struct rt2870_softc *sc;
2307 struct ifnet *ifp;
2308
2309 ifp = ic->ic_ifp;
2310 sc = ifp->if_softc;
2311
2312 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2313 return;
2314
2315 RT2870_SOFTC_LOCK(sc);
2316
2317 rt2870_asic_disable_tsf_sync(sc);
2318
2319 RT2870_SOFTC_UNLOCK(sc);
2320 }
2321
2322 /*
2323 * rt2870_scan_end
2324 */
2325 static void rt2870_scan_end(struct ieee80211com *ic)
2326 {
2327 struct rt2870_softc *sc;
2328 struct ifnet *ifp;
2329
2330 ifp = ic->ic_ifp;
2331 sc = ifp->if_softc;
2332
2333 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2334 return;
2335
2336 RT2870_SOFTC_LOCK(sc);
2337
2338 rt2870_asic_enable_tsf_sync(sc);
2339
2340 RT2870_SOFTC_UNLOCK(sc);
2341 }
2342
2343 /*
2344 * rt2870_set_channel
2345 */
2346 static void rt2870_set_channel(struct ieee80211com *ic)
2347 {
2348 struct rt2870_softc *sc;
2349 struct ifnet *ifp;
2350
2351 ifp = ic->ic_ifp;
2352 sc = ifp->if_softc;
2353
2354 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2355 return;
2356
2357 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2358 "%s: set channel: channel=%u, HT%s%s\n",
2359 device_get_nameunit(sc->dev),
2360 ieee80211_chan2ieee(ic, ic->ic_curchan),
2361 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2362 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2363 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2364 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2365
2366 RT2870_SOFTC_LOCK(sc);
2367
2368 rt2870_rf_set_chan(sc, ic->ic_curchan);
2369
2370 RT2870_SOFTC_UNLOCK(sc);
2371 }
2372
2373 /*
2374 * rt2870_newassoc
2375 */
2376 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2377 {
2378 struct rt2870_softc *sc;
2379 struct ieee80211com *ic;
2380 struct ifnet *ifp;
2381 struct ieee80211vap *vap;
2382 struct rt2870_softc_vap *rvap;
2383 struct rt2870_softc_node *rni;
2384 uint16_t aid;
2385 uint8_t wcid;
2386
2387 vap = ni->ni_vap;
2388 ic = vap->iv_ic;
2389 ifp = ic->ic_ifp;
2390 sc = ifp->if_softc;
2391 rvap = (struct rt2870_softc_vap *) vap;
2392 rni = (struct rt2870_softc_node *) ni;
2393
2394 if (isnew)
2395 {
2396 aid = IEEE80211_AID(ni->ni_associd);
2397 rni->staid = rt2870_staid_alloc(sc, aid);
2398 wcid = rni->staid;
2399
2400 RT2870_SOFTC_LOCK(sc);
2401
2402 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2403 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2404
2405 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2406
2407 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2408 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2409 device_get_nameunit(sc->dev),
2410 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2411 ni->ni_associd, ni->ni_txrate,
2412 (ni->ni_flags & IEEE80211_NODE_HT) ?
2413 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2414 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2415
2416 rt2870_asic_updateprot(sc);
2417 rt2870_asic_updateslot(sc);
2418 rt2870_asic_set_txpreamble(sc);
2419
2420 RT2870_SOFTC_UNLOCK(sc);
2421 }
2422
2423 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2424 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2425 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2426 ni->ni_associd, rni->staid,
2427 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2428 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2429 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2430 }
2431
2432 /*
2433 * rt2870_updateslot
2434 */
2435 static void rt2870_updateslot(struct ifnet *ifp)
2436 {
2437 struct rt2870_softc *sc;
2438
2439 sc = ifp->if_softc;
2440
2441 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2442 }
2443
2444 /*
2445 * rt2870_update_promisc
2446 */
2447 static void rt2870_update_promisc(struct ifnet *ifp)
2448 {
2449 struct rt2870_softc *sc;
2450
2451 sc = ifp->if_softc;
2452
2453 RT2870_SOFTC_LOCK(sc);
2454
2455 rt2870_asic_update_promisc(sc);
2456
2457 RT2870_SOFTC_UNLOCK(sc);
2458 }
2459
2460 /*
2461 * rt2870_update_mcast
2462 */
2463 static void rt2870_update_mcast(struct ifnet *ifp)
2464 {
2465 struct rt2870_softc *sc;
2466
2467 sc = ifp->if_softc;
2468 }
2469
2470 /*
2471 * rt2870_wme_update
2472 */
2473 static int rt2870_wme_update(struct ieee80211com *ic)
2474 {
2475 struct rt2870_softc *sc;
2476 struct ifnet *ifp;
2477
2478 ifp = ic->ic_ifp;
2479 sc = ifp->if_softc;
2480
2481 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2482
2483 return 0;
2484 }
2485
2486 /*
2487 * rt2870_raw_xmit
2488 */
2489 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2490 const struct ieee80211_bpf_params *params)
2491 {
2492 struct rt2870_softc *sc;
2493 struct ieee80211com *ic;
2494 struct ifnet *ifp;
2495
2496 ic = ni->ni_ic;
2497 ifp = ic->ic_ifp;
2498 sc = ifp->if_softc;
2499
2500 RT2870_SOFTC_LOCK(sc);
2501
2502 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2503 {
2504 RT2870_SOFTC_UNLOCK(sc);
2505
2506 m_freem(m);
2507 ieee80211_free_node(ni);
2508
2509 return ENETDOWN;
2510 }
2511
2512 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2513 {
2514 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2515 "%s: raw xmit: Tx ring with qid=%d is full\n",
2516 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2517
2518 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2519
2520 RT2870_SOFTC_UNLOCK(sc);
2521
2522 m_freem(m);
2523 ieee80211_free_node(ni);
2524
2525 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2526
2527 return ENOBUFS;
2528 }
2529
2530 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2531 {
2532 ifp->if_oerrors++;
2533
2534 RT2870_SOFTC_UNLOCK(sc);
2535
2536 ieee80211_free_node(ni);
2537
2538 return EIO;
2539 }
2540
2541 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2542
2543 RT2870_SOFTC_UNLOCK(sc);
2544
2545 return 0;
2546 }
2547
2548 /*
2549 * rt2870_recv_action
2550 */
2551 static int rt2870_recv_action(struct ieee80211_node *ni,
2552 const struct ieee80211_frame *wh,
2553 const uint8_t *frm, const uint8_t *efrm)
2554 {
2555 struct rt2870_softc *sc;
2556 struct ieee80211com *ic;
2557 struct ifnet *ifp;
2558 struct rt2870_softc_node *rni;
2559 const struct ieee80211_action *ia;
2560 struct ieee80211_tx_ampdu *tx_ampdu;
2561 uint16_t status, baparamset;
2562 uint8_t wcid;
2563 int ret, tid, bufsize, ac;
2564 uint32_t tmp;
2565
2566 ic = ni->ni_ic;
2567 ifp = ic->ic_ifp;
2568 sc = ifp->if_softc;
2569 rni = (struct rt2870_softc_node *) ni;
2570
2571 ia = (const struct ieee80211_action *) frm;
2572
2573 ret = sc->recv_action(ni, wh, frm, efrm);
2574
2575 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2576 return ret;
2577
2578 wcid = rni->staid;
2579
2580 switch (ia->ia_action)
2581 {
2582 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2583 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2584 baparamset = LE_READ_2(frm + 3);
2585 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2586 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2587
2588 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2589 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2590 device_get_nameunit(sc->dev), ni->ni_associd, tid, bufsize);
2591
2592 RT2870_SOFTC_LOCK(sc);
2593
2594 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2595
2596 tmp |= (0x10000 << tid);
2597
2598 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2599
2600 RT2870_SOFTC_UNLOCK(sc);
2601 break;
2602
2603 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2604 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2605 status = LE_READ_2(frm + 3);
2606 baparamset = LE_READ_2(frm + 4);
2607 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2608 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2609 ac = TID_TO_WME_AC(tid);
2610 tx_ampdu = &ni->ni_tx_ampdu[ac];
2611
2612 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2613 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2614 device_get_nameunit(sc->dev), ni->ni_associd, status, tid, bufsize);
2615
2616 if (sc->mac_rev >= 0x28720200)
2617 {
2618 if (tx_ampdu->txa_wnd > 13)
2619 tx_ampdu->txa_wnd = 13;
2620 }
2621 else
2622 {
2623 if (tx_ampdu->txa_wnd > 7)
2624 tx_ampdu->txa_wnd = 7;
2625 }
2626
2627 if (status == IEEE80211_STATUS_SUCCESS)
2628 {
2629 sc->tx_ampdu_sessions++;
2630
2631 RT2870_SOFTC_LOCK(sc);
2632
2633 rt2870_asic_updateprot(sc);
2634
2635 RT2870_SOFTC_UNLOCK(sc);
2636 }
2637 break;
2638
2639 /* IEEE80211_ACTION_BA_DELBA */
2640 case IEEE80211_ACTION_BA_DELBA:
2641 baparamset = LE_READ_2(frm + 2);
2642 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2643
2644 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2645 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2646 device_get_nameunit(sc->dev), ni->ni_associd, tid);
2647
2648 RT2870_SOFTC_LOCK(sc);
2649
2650 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2651
2652 tmp &= ~(0x10000 << tid);
2653
2654 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2655
2656 RT2870_SOFTC_UNLOCK(sc);
2657 break;
2658 }
2659
2660 return ret;
2661 }
2662
2663 /*
2664 * rt2870_send_action
2665 */
2666 static int rt2870_send_action(struct ieee80211_node *ni,
2667 int cat, int act, void *sa)
2668 {
2669 struct rt2870_softc *sc;
2670 struct ieee80211com *ic;
2671 struct ifnet *ifp;
2672 struct rt2870_softc_node *rni;
2673 uint16_t *args, baparamset;
2674 uint8_t wcid;
2675 int ret, tid;
2676 uint32_t tmp;
2677
2678 ic = ni->ni_ic;
2679 ifp = ic->ic_ifp;
2680 sc = ifp->if_softc;
2681 rni = (struct rt2870_softc_node *) ni;
2682
2683 ret = sc->send_action(ni, cat, act, sa);
2684
2685 if (cat != IEEE80211_ACTION_CAT_BA)
2686 return ret;
2687
2688 wcid = rni->staid;
2689 args = sa;
2690
2691 switch (act)
2692 {
2693 /* IEEE80211_ACTION_BA_DELBA */
2694 case IEEE80211_ACTION_BA_DELBA:
2695 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2696
2697 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2698
2699 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2700 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2701 device_get_nameunit(sc->dev), ni->ni_associd, tid);
2702
2703 RT2870_SOFTC_LOCK(sc);
2704
2705 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2706 {
2707 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2708
2709 tmp &= ~(0x10000 << tid);
2710
2711 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2712 }
2713 else
2714 {
2715 sc->tx_ampdu_sessions--;
2716
2717 rt2870_asic_updateprot(sc);
2718 }
2719
2720 RT2870_SOFTC_UNLOCK(sc);
2721 break;
2722 }
2723
2724 return ret;
2725 }
2726
2727 /*
2728 * rt2870_amrr_update_iter_func
2729 */
2730 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2731 {
2732 struct rt2870_softc *sc;
2733 struct ieee80211com *ic;
2734 struct ifnet *ifp;
2735 struct ieee80211vap *vap;
2736 struct rt2870_softc_vap *rvap;
2737 struct rt2870_softc_node *rni;
2738 uint8_t wcid;
2739
2740 vap = arg;
2741 ic = vap->iv_ic;
2742 ifp = ic->ic_ifp;
2743 sc = ifp->if_softc;
2744 rvap = (struct rt2870_softc_vap *) vap;
2745 rni = (struct rt2870_softc_node *) ni;
2746
2747 /* only associated stations */
2748
2749 if ((ni->ni_vap == vap) && (rni->staid != 0))
2750 {
2751 wcid = rni->staid;
2752
2753 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2754 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2755 device_get_nameunit(sc->dev),
2756 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2757
2758 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2759
2760 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2761 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
2762 device_get_nameunit(sc->dev),
2763 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2764 ni->ni_associd, rni->staid, ni->ni_txrate,
2765 (ni->ni_flags & IEEE80211_NODE_HT) ?
2766 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2767 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2768 }
2769 }
2770
2771 /*
2772 * rt2870_periodic
2773 */
2774 static void rt2870_periodic(void *arg)
2775 {
2776 struct rt2870_softc *sc;
2777 struct ifnet *ifp;
2778
2779 sc = arg;
2780 ifp = sc->ifp;
2781
2782 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2783 "%s: periodic\n",
2784 device_get_nameunit(sc->dev));
2785
2786 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2787 return;
2788
2789 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2790 }
2791
2792 /*
2793 * rt2870_tx_watchdog
2794 */
2795 static void rt2870_tx_watchdog(void *arg)
2796 {
2797 struct rt2870_softc *sc;
2798 struct ifnet *ifp;
2799
2800 sc = arg;
2801 ifp = sc->ifp;
2802
2803 if (sc->tx_timer == 0)
2804 return;
2805
2806 if (--sc->tx_timer == 0)
2807 {
2808 printf("%s: Tx watchdog timeout: resetting\n",
2809 device_get_nameunit(sc->dev));
2810
2811 rt2870_stop_locked(sc);
2812 rt2870_init_locked(sc);
2813
2814 ifp->if_oerrors++;
2815
2816 sc->tx_watchdog_timeouts++;
2817 }
2818
2819 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2820 }
2821
2822 /*
2823 * rt2870_staid_alloc
2824 */
2825 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid)
2826 {
2827 int staid;
2828
2829 if ((aid > 0 && aid < RT2870_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
2830 {
2831 staid = aid;
2832 }
2833 else
2834 {
2835 for (staid = 1; staid < RT2870_SOFTC_STAID_COUNT; staid++)
2836 {
2837 if (isclr(sc->staid_mask, staid))
2838 break;
2839 }
2840 }
2841
2842 setbit(sc->staid_mask, staid);
2843
2844 return staid;
2845 }
2846
2847 /*
2848 * rt2870_staid_delete
2849 */
2850 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid)
2851 {
2852 clrbit(sc->staid_mask, staid);
2853 }
2854
2855
2856 /*
2857 * rt2870_do_async
2858 */
2859 static int rt2870_do_async(struct rt2870_softc *sc,
2860 void (*cb)(struct rt2870_softc *sc, void *arg),
2861 void *arg, int len)
2862 {
2863 struct ifnet *ifp;
2864 struct rt2870_softc_cmd_ring *ring;
2865 struct rt2870_softc_cmd *cmd;
2866 int run_cmd_task;
2867
2868 ifp = sc->ifp;
2869 ring = &sc->cmd_ring;
2870
2871 RT2870_SOFTC_LOCK(sc);
2872
2873 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2874 {
2875 RT2870_SOFTC_UNLOCK(sc);
2876 return -1;
2877 }
2878
2879 cmd = STAILQ_FIRST(&ring->inactive);
2880 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2881
2882 cmd->cb = cb;
2883
2884 if(arg != NULL)
2885 memcpy(cmd->data, arg, len);
2886
2887 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2888 ring->queued++;
2889
2890 run_cmd_task = (ring->queued == 1);
2891
2892 RT2870_SOFTC_UNLOCK(sc);
2893
2894 if (run_cmd_task)
2895 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2896
2897 return 0;
2898 }
2899
2900 /*
2901 * rt2870_node_cleanup_cb
2902 */
2903 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg)
2904 {
2905 struct ifnet *ifp;
2906 struct ieee80211com *ic;
2907 struct rt2870_cmd_argv_nodecleanup *cmd_argv;
2908 uint8_t staid, vapid, wcid;
2909 uint32_t tmp;
2910
2911 ifp = sc->ifp;
2912 ic = ifp->if_l2com;
2913 cmd_argv = arg;
2914 staid = cmd_argv->staid;
2915
2916 vapid = 0;
2917 wcid = staid;
2918
2919 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2920 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2921
2922 RT2870_SOFTC_LOCK(sc);
2923
2924 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2925
2926 rt2870_staid_delete(sc, staid);
2927
2928 RT2870_SOFTC_UNLOCK(sc);
2929 }
2930
2931 /*
2932 * rt2870_updateslot_cb
2933 */
2934 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2935 {
2936 RT2870_SOFTC_LOCK(sc);
2937
2938 rt2870_asic_updateslot(sc);
2939
2940 RT2870_SOFTC_UNLOCK(sc);
2941 }
2942
2943 /*
2944 * rt2870_wme_update_cb
2945 */
2946 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2947 {
2948 RT2870_SOFTC_LOCK(sc);
2949
2950 rt2870_asic_wme_update(sc);
2951
2952 RT2870_SOFTC_UNLOCK(sc);
2953 }
2954
2955 /*
2956 * rt2870_vap_key_set_cb
2957 */
2958 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
2959 {
2960 struct ieee80211com *ic;
2961 struct ifnet *ifp;
2962 struct ieee80211_key *k;
2963 enum ieee80211_opmode opmode;
2964 struct rt2870_cmd_argv_keyset *cmd_argv;
2965 uint16_t key_base, keymode_base;
2966 uint8_t mode, vapid, wcid, iv[8];
2967 uint32_t tmp;
2968
2969 ifp = sc->ifp;
2970 ic = ifp->if_l2com;
2971 cmd_argv = arg;
2972 k = &cmd_argv->key;
2973 opmode = cmd_argv->opmode;
2974
2975 switch (k->wk_cipher->ic_cipher)
2976 {
2977 case IEEE80211_CIPHER_WEP:
2978 if(k->wk_keylen < 8)
2979 mode = RT2870_REG_CIPHER_MODE_WEP40;
2980 else
2981 mode = RT2870_REG_CIPHER_MODE_WEP104;
2982 break;
2983
2984 case IEEE80211_CIPHER_TKIP:
2985 mode = RT2870_REG_CIPHER_MODE_TKIP;
2986 break;
2987
2988 case IEEE80211_CIPHER_AES_CCM:
2989 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2990 break;
2991
2992 default:
2993 return;
2994 }
2995
2996 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2997 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
2998 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
2999 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3000
3001 RT2870_SOFTC_LOCK(sc);
3002
3003 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
3004 {
3005 /* install pairwise key */
3006
3007 vapid = 0;
3008 wcid = cmd_argv->staid;
3009 key_base = RT2870_REG_PKEY(wcid);
3010
3011 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3012 {
3013 memset(iv, 0, 8);
3014
3015 iv[3] = (k->wk_keyix << 6);
3016 }
3017 else
3018 {
3019 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3020 {
3021 iv[0] = (k->wk_keytsc >> 8);
3022 iv[1] = ((iv[0] | 0x20) & 0x7f);
3023 iv[2] = k->wk_keytsc;
3024 }
3025 else
3026 {
3027 /* AES CCMP */
3028
3029 iv[0] = k->wk_keytsc;
3030 iv[1] = k->wk_keytsc >> 8;
3031 iv[2] = 0;
3032 }
3033
3034 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3035 iv[4] = (k->wk_keytsc >> 16);
3036 iv[5] = (k->wk_keytsc >> 24);
3037 iv[6] = (k->wk_keytsc >> 32);
3038 iv[7] = (k->wk_keytsc >> 40);
3039
3040 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3041 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3042 device_get_nameunit(sc->dev),
3043 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3044 }
3045
3046 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3047
3048 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3049 {
3050 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3051
3052 if (opmode != IEEE80211_M_HOSTAP)
3053 {
3054 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3055 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3056 }
3057 else
3058 {
3059 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3060 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3061 }
3062 }
3063 else
3064 {
3065 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3066 }
3067
3068 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3069 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3070
3071 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3072 }
3073
3074 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
3075 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
3076 {
3077 /* install group key */
3078
3079 vapid = 0;
3080 wcid = RT2870_WCID_MCAST;
3081 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
3082 keymode_base = RT2870_REG_SKEY_MODE(vapid);
3083
3084 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3085 {
3086 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3087
3088 if (opmode != IEEE80211_M_HOSTAP)
3089 {
3090 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3091 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3092 }
3093 else
3094 {
3095 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3096 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3097 }
3098 }
3099 else
3100 {
3101 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3102 }
3103
3104 tmp = rt2870_io_mac_read(sc, keymode_base);
3105
3106 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3107 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3108
3109 rt2870_io_mac_write(sc, keymode_base, tmp);
3110
3111 if (opmode == IEEE80211_M_HOSTAP)
3112 {
3113 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3114 {
3115 memset(iv, 0, 8);
3116
3117 iv[3] = (k->wk_keyix << 6);
3118 }
3119 else
3120 {
3121 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3122 {
3123 iv[0] = (k->wk_keytsc >> 8);
3124 iv[1] = ((iv[0] | 0x20) & 0x7f);
3125 iv[2] = k->wk_keytsc;
3126 }
3127 else
3128 {
3129 /* AES CCMP */
3130
3131 iv[0] = k->wk_keytsc;
3132 iv[1] = k->wk_keytsc >> 8;
3133 iv[2] = 0;
3134 }
3135
3136 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3137 iv[4] = (k->wk_keytsc >> 16);
3138 iv[5] = (k->wk_keytsc >> 24);
3139 iv[6] = (k->wk_keytsc >> 32);
3140 iv[7] = (k->wk_keytsc >> 40);
3141
3142 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3143 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3144 device_get_nameunit(sc->dev),
3145 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3146 }
3147
3148 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3149
3150 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3151 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
3152
3153 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3154 }
3155 }
3156
3157 RT2870_SOFTC_UNLOCK(sc);
3158 }
3159
3160 /*
3161 * rt2870_vap_key_delete_cb
3162 */
3163 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
3164 {
3165 struct ieee80211com *ic;
3166 struct ifnet *ifp;
3167 struct ieee80211_key *k;
3168 enum ieee80211_opmode opmode;
3169 struct rt2870_cmd_argv_keydelete *cmd_argv;
3170 uint8_t vapid, wcid;
3171 uint32_t tmp;
3172
3173 ifp = sc->ifp;
3174 ic = ifp->if_l2com;
3175 cmd_argv = arg;
3176 k = &cmd_argv->key;
3177 opmode = cmd_argv->opmode;
3178
3179 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3180 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
3181 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3182 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3183
3184 RT2870_SOFTC_LOCK(sc);
3185
3186 if (k->wk_flags & IEEE80211_KEY_GROUP)
3187 {
3188 /* remove group key */
3189
3190 vapid = 0;
3191 wcid = RT2870_WCID_MCAST;
3192
3193 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
3194
3195 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3196 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3197
3198 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
3199
3200 if (opmode == IEEE80211_M_HOSTAP)
3201 {
3202 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3203 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
3204
3205 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3206 }
3207 }
3208
3209 RT2870_SOFTC_UNLOCK(sc);
3210 }
3211
3212 /*
3213 * rt2870_vap_update_beacon_cb
3214 */
3215 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
3216 {
3217 struct ifnet *ifp;
3218 struct ieee80211com *ic;
3219 struct ieee80211vap *vap;
3220
3221 ifp = sc->ifp;
3222 ic = ifp->if_l2com;
3223 vap = TAILQ_FIRST(&ic->ic_vaps);
3224
3225 if (vap == NULL)
3226 return;
3227
3228 RT2870_SOFTC_LOCK(sc);
3229
3230 rt2870_asic_update_beacon(sc, vap);
3231
3232 RT2870_SOFTC_UNLOCK(sc);
3233 }
3234
3235 /*
3236 * rt2870_asic_set_bssid
3237 */
3238 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3239 const uint8_t *bssid)
3240 {
3241 uint32_t tmp;
3242
3243 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3244 "%s: set bssid: bssid=%s\n",
3245 device_get_nameunit(sc->dev),
3246 ether_sprintf(bssid));
3247
3248 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3249
3250 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3251
3252 tmp = bssid[4] | (bssid[5] << 8);
3253
3254 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3255 }
3256
3257 /*
3258 * rt2870_asic_set_macaddr
3259 */
3260 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3261 const uint8_t *addr)
3262 {
3263 uint32_t tmp;
3264
3265 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3266
3267 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3268
3269 tmp = addr[4] | (addr[5] << 8);
3270
3271 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3272 }
3273
3274 /*
3275 * rt2870_asic_enable_tsf_sync
3276 */
3277 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3278 {
3279 struct ifnet *ifp;
3280 struct ieee80211com *ic;
3281 struct ieee80211vap *vap;
3282 uint32_t tmp;
3283
3284 ifp = sc->ifp;
3285 ic = ifp->if_l2com;
3286 vap = TAILQ_FIRST(&ic->ic_vaps);
3287
3288 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3289 "%s: enabling TSF\n",
3290 device_get_nameunit(sc->dev));
3291
3292 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3293
3294 tmp &= ~0x1fffff;
3295 tmp |= vap->iv_bss->ni_intval * 16;
3296 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3297
3298 if (vap->iv_opmode == IEEE80211_M_STA)
3299 {
3300 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3301 }
3302 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3303 {
3304 tmp |= RT2870_REG_BCN_TX_ENABLE;
3305 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3306 }
3307 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3308 {
3309 tmp |= RT2870_REG_BCN_TX_ENABLE;
3310 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3311 }
3312
3313 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3314 }
3315
3316 /*
3317 * rt2870_asic_disable_tsf_sync
3318 */
3319 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3320 {
3321 uint32_t tmp;
3322
3323 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3324 "%s: disabling TSF\n",
3325 device_get_nameunit(sc->dev));
3326
3327 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3328
3329 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3330 RT2870_REG_TSF_TIMER_ENABLE |
3331 RT2870_REG_TBTT_TIMER_ENABLE);
3332
3333 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3334 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3335
3336 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3337 }
3338
3339 /*
3340 * rt2870_asic_enable_mrr
3341 */
3342 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3343 {
3344 #define CCK(mcs) (mcs)
3345 #define OFDM(mcs) ((1 << 3) | (mcs))
3346 #define HT(mcs) (mcs)
3347
3348 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3349 (OFDM(6) << 28) | /* 54 -> 48 */
3350 (OFDM(5) << 24) | /* 48 -> 36 */
3351 (OFDM(4) << 20) | /* 36 -> 24 */
3352 (OFDM(3) << 16) | /* 24 -> 18 */
3353 (OFDM(2) << 12) | /* 18 -> 12 */
3354 (OFDM(1) << 8) | /* 12 -> 9 */
3355 (OFDM(0) << 4) | /* 9 -> 6 */
3356 OFDM(0)); /* 6 -> 6 */
3357
3358 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3359 (CCK(2) << 12) | /* 11 -> 5.5 */
3360 (CCK(1) << 8) | /* 5.5 -> 2 */
3361 (CCK(0) << 4) | /* 2 -> 1 */
3362 CCK(0)); /* 1 -> 1 */
3363
3364 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3365 (HT(6) << 28) |
3366 (HT(5) << 24) |
3367 (HT(4) << 20) |
3368 (HT(3) << 16) |
3369 (HT(2) << 12) |
3370 (HT(1) << 8) |
3371 (HT(0) << 4) |
3372 HT(0));
3373
3374 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3375 (HT(14) << 28) |
3376 (HT(13) << 24) |
3377 (HT(12) << 20) |
3378 (HT(11) << 16) |
3379 (HT(10) << 12) |
3380 (HT(9) << 8) |
3381 (HT(8) << 4) |
3382 HT(7));
3383
3384 #undef HT
3385 #undef OFDM
3386 #undef CCK
3387 }
3388
3389 /*
3390 * rt2870_asic_set_txpreamble
3391 */
3392 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3393 {
3394 struct ifnet *ifp;
3395 struct ieee80211com *ic;
3396 uint32_t tmp;
3397
3398 ifp = sc->ifp;
3399 ic = ifp->if_l2com;
3400
3401 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3402 "%s: %s short Tx preamble\n",
3403 device_get_nameunit(sc->dev),
3404 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3405
3406 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3407
3408 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3409
3410 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3411 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3412
3413 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3414 }
3415
3416 /*
3417 * rt2870_asic_set_basicrates
3418 */
3419 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3420 {
3421 struct ifnet *ifp;
3422 struct ieee80211com *ic;
3423
3424 ifp = sc->ifp;
3425 ic = ifp->if_l2com;
3426
3427 if (ic->ic_curmode == IEEE80211_MODE_11B)
3428 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3429 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3430 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3431 else
3432 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3433 }
3434
3435 /*
3436 * rt2870_asic_update_rtsthreshold
3437 */
3438 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3439 {
3440 struct ifnet *ifp;
3441 struct ieee80211com *ic;
3442 struct ieee80211vap *vap;
3443 uint32_t tmp;
3444 uint16_t threshold;
3445
3446 ifp = sc->ifp;
3447 ic = ifp->if_l2com;
3448 vap = TAILQ_FIRST(&ic->ic_vaps);
3449
3450 if (vap == NULL)
3451 threshold = IEEE80211_RTS_MAX;
3452 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3453 threshold = 0x1000;
3454 else
3455 threshold = vap->iv_rtsthreshold;
3456
3457 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3458 "%s: updating RTS threshold: %d\n",
3459 device_get_nameunit(sc->dev), threshold);
3460
3461 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3462
3463 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3464
3465 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3466 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3467
3468 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3469 }
3470
3471 /*
3472 * rt2870_asic_update_txpower
3473 */
3474 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3475 {
3476 struct ifnet *ifp;
3477 struct ieee80211com *ic;
3478 uint32_t *txpow_rate;
3479 int8_t delta;
3480 uint8_t val;
3481 uint32_t tmp;
3482 int i;
3483
3484 ifp = sc->ifp;
3485 ic = ifp->if_l2com;
3486
3487 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3488 "%s: updating Tx power: %d\n",
3489 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3490
3491 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3492 {
3493 txpow_rate = sc->txpow_rate_20mhz;
3494 }
3495 else
3496 {
3497 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3498 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3499 else
3500 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3501 }
3502
3503 delta = 0;
3504
3505 val = rt2870_io_bbp_read(sc, 1);
3506 val &= 0xfc;
3507
3508 if (ic->ic_txpowlimit > 90)
3509 {
3510 /* do nothing */
3511 }
3512 else if (ic->ic_txpowlimit > 60)
3513 {
3514 delta -= 1;
3515 }
3516 else if (ic->ic_txpowlimit > 30)
3517 {
3518 delta -= 3;
3519 }
3520 else if (ic->ic_txpowlimit > 15)
3521 {
3522 val |= 0x1;
3523 }
3524 else if (ic->ic_txpowlimit > 9)
3525 {
3526 val |= 0x1;
3527 delta -= 3;
3528 }
3529 else
3530 {
3531 val |= 0x2;
3532 }
3533
3534 rt2870_io_bbp_write(sc, 1, val);
3535
3536 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3537 {
3538 if (txpow_rate[i] == 0xffffffff)
3539 continue;
3540
3541 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3542
3543 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3544 }
3545 }
3546
3547 /*
3548 * rt2870_asic_update_promisc
3549 */
3550 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3551 {
3552 struct ifnet *ifp;
3553 uint32_t tmp;
3554
3555 ifp = sc->ifp;
3556
3557 printf("%s: %s promiscuous mode\n",
3558 device_get_nameunit(sc->dev),
3559 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3560
3561 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3562
3563 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3564
3565 if (!(ifp->if_flags & IFF_PROMISC))
3566 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3567
3568 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3569 }
3570
3571 /*
3572 * rt2870_asic_updateprot
3573 */
3574 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3575 {
3576 struct ifnet *ifp;
3577 struct ieee80211com *ic;
3578 struct ieee80211vap *vap;
3579 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3580 uint8_t htopmode;
3581 enum ieee80211_protmode htprotmode;
3582
3583 ifp = sc->ifp;
3584 ic = ifp->if_l2com;
3585 vap = TAILQ_FIRST(&ic->ic_vaps);
3586
3587 /* CCK frame protection */
3588
3589 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3590 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3591
3592 /* set up protection frame phy mode and rate (MCS code) */
3593
3594 if (ic->ic_curmode == IEEE80211_MODE_11A)
3595 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3596 (0 << RT2870_REG_PROT_MCS_SHIFT);
3597 else
3598 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3599 (3 << RT2870_REG_PROT_MCS_SHIFT));
3600
3601 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3602
3603 /* OFDM frame protection */
3604
3605 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3606 RT2870_REG_TXOP_ALLOW_ALL;
3607
3608 if (ic->ic_flags & IEEE80211_F_USEPROT)
3609 {
3610 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3611 "%s: updating protection mode: b/g protection mode=%s\n",
3612 device_get_nameunit(sc->dev),
3613 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3614 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3615
3616 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3617 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3618 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3619 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3620 else
3621 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3622 }
3623 else
3624 {
3625 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3626 "%s: updating protection mode: b/g protection mode=%s\n",
3627 device_get_nameunit(sc->dev), "none");
3628
3629 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3630 }
3631
3632 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3633
3634 /* HT frame protection */
3635
3636 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3637 htopmode = vap->iv_bss->ni_htopmode;
3638 else
3639 htopmode = ic->ic_curhtprotmode;
3640
3641 htprotmode = ic->ic_htprotmode;
3642
3643 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3644
3645 if (sc->tx_ampdu_sessions > 0)
3646 {
3647 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3648 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3649 device_get_nameunit(sc->dev));
3650
3651 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3652 htprotmode = IEEE80211_PROT_RTSCTS;
3653 }
3654
3655 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3656 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3657 device_get_nameunit(sc->dev),
3658 htopmode & IEEE80211_HTINFO_OPMODE,
3659 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3660 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3661
3662 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3663 {
3664 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3665 case IEEE80211_HTINFO_OPMODE_HT20PR:
3666 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3667 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3668 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3669 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3670 (4 << RT2870_REG_PROT_MCS_SHIFT);
3671
3672 gf20_prot = mm20_prot;
3673
3674 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3675 RT2870_REG_TXOP_ALLOW_ALL |
3676 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3677 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3678
3679 if (htprotmode == IEEE80211_PROT_RTSCTS)
3680 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3681 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3682 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3683 else
3684 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3685
3686 gf40_prot = mm40_prot;
3687 break;
3688
3689 /* IEEE80211_HTINFO_OPMODE_MIXED */
3690 case IEEE80211_HTINFO_OPMODE_MIXED:
3691 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3692 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3693 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3694
3695 if (ic->ic_flags & IEEE80211_F_USEPROT)
3696 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3697 (3 << RT2870_REG_PROT_MCS_SHIFT);
3698 else
3699 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3700 (4 << RT2870_REG_PROT_MCS_SHIFT);
3701
3702 if (htprotmode == IEEE80211_PROT_RTSCTS)
3703 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3704 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3705 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3706 else
3707 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3708
3709 gf20_prot = mm20_prot;
3710
3711 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3712
3713 if (ic->ic_flags & IEEE80211_F_USEPROT)
3714 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3715 (3 << RT2870_REG_PROT_MCS_SHIFT);
3716 else
3717 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3718 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3719
3720 if (htprotmode == IEEE80211_PROT_RTSCTS)
3721 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3722 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3723 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3724 else
3725 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3726
3727 gf40_prot = mm40_prot;
3728 break;
3729
3730 /*
3731 * IEEE80211_HTINFO_OPMODE_PURE
3732 * IEEE80211_HTINFO_OPMODE_PROTOPT
3733 */
3734 case IEEE80211_HTINFO_OPMODE_PURE:
3735 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3736 default:
3737 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3738 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3739 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3740 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3741 (4 << RT2870_REG_PROT_MCS_SHIFT);
3742
3743 gf20_prot = mm20_prot;
3744
3745 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3746 RT2870_REG_TXOP_ALLOW_ALL |
3747 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3748 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3749
3750 gf40_prot = mm40_prot;
3751 break;
3752 }
3753
3754 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3755 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3756 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3757 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3758 }
3759
3760 /*
3761 * rt2870_asic_updateslot
3762 */
3763 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3764 {
3765 struct ifnet *ifp;
3766 struct ieee80211com *ic;
3767 struct ieee80211vap *vap;
3768 uint32_t tmp;
3769
3770 ifp = sc->ifp;
3771 ic = ifp->if_l2com;
3772 vap = TAILQ_FIRST(&ic->ic_vaps);
3773
3774 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3775 "%s: %s short slot time\n",
3776 device_get_nameunit(sc->dev),
3777 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3778 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3779
3780 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3781
3782 tmp &= ~0xff;
3783
3784 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3785 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3786 tmp |= IEEE80211_DUR_SHSLOT;
3787 else
3788 tmp |= IEEE80211_DUR_SLOT;
3789
3790 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3791 }
3792
3793 /*
3794 * rt2870_asic_wme_update
3795 */
3796 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3797 {
3798 struct ifnet *ifp;
3799 struct ieee80211com *ic;
3800 struct ieee80211_wme_state *wme;
3801 const struct wmeParams *wmep;
3802 int i;
3803
3804 ifp = sc->ifp;
3805 ic = ifp->if_l2com;
3806 wme = &ic->ic_wme;
3807 wmep = wme->wme_chanParams.cap_wmeParams;
3808
3809 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3810 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3811 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3812 device_get_nameunit(sc->dev),
3813 wmep[WME_AC_VO].wmep_aifsn,
3814 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3815 wmep[WME_AC_VO].wmep_txopLimit,
3816 wmep[WME_AC_VI].wmep_aifsn,
3817 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3818 wmep[WME_AC_VI].wmep_txopLimit,
3819 wmep[WME_AC_BK].wmep_aifsn,
3820 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3821 wmep[WME_AC_BK].wmep_txopLimit,
3822 wmep[WME_AC_BE].wmep_aifsn,
3823 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3824 wmep[WME_AC_BE].wmep_txopLimit);
3825
3826 for (i = 0; i < WME_NUM_AC; i++)
3827 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3828 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3829 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3830
3831 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3832 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3833 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3834
3835 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3836 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3837 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3838
3839 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3840 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3841 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3842
3843 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3844 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3845
3846 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3847 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3848 }
3849
3850 /*
3851 * rt2870_asic_update_beacon
3852 */
3853 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
3854 struct ieee80211vap *vap)
3855 {
3856 struct rt2870_softc_vap *rvap;
3857 struct mbuf *m;
3858 struct rt2870_txwi *txwi;
3859 uint32_t tmp;
3860
3861 rvap = (struct rt2870_softc_vap *) vap;
3862
3863 m = rvap->beacon_mbuf;
3864 txwi = &rvap->beacon_txwi;
3865
3866 /* disable temporarily TSF sync */
3867
3868 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3869
3870 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3871 RT2870_REG_TSF_TIMER_ENABLE |
3872 RT2870_REG_TBTT_TIMER_ENABLE);
3873
3874 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3875
3876 /* write Tx wireless info and beacon frame to on-chip memory */
3877
3878 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3879 txwi, sizeof(struct rt2870_txwi));
3880
3881 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3882 mtod(m, uint8_t *), m->m_pkthdr.len);
3883
3884 /* enable again TSF sync */
3885
3886 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3887
3888 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3889 RT2870_REG_TSF_TIMER_ENABLE |
3890 RT2870_REG_TBTT_TIMER_ENABLE);
3891
3892 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3893 }
3894
3895 /*
3896 * rt2870_asic_clear_keytables
3897 */
3898 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3899 {
3900 int i;
3901
3902 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3903
3904 for (i = 0; i < 256; i++)
3905 {
3906 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3907 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3908 }
3909
3910 /* clear WCID attribute table (entries = 256, entry size = 4) */
3911
3912 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3913
3914 /* clear IV/EIV table (entries = 256, entry size = 8) */
3915
3916 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3917
3918 /* clear pairwise key table (entries = 256, entry size = 32) */
3919
3920 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3921
3922 /* clear shared key table (entries = 32, entry size = 32) */
3923
3924 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3925
3926 /* clear shared key mode (entries = 32, entry size = 2) */
3927
3928 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3929 }
3930
3931 /*
3932 * rt2870_beacon_alloc
3933 */
3934 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
3935 struct ieee80211vap *vap)
3936 {
3937 struct ieee80211com *ic;
3938 struct rt2870_softc_vap *rvap;
3939 const struct ieee80211_txparam *tp;
3940 struct mbuf *m;
3941 struct rt2870_txwi txwi;
3942 uint8_t rate, mcs;
3943
3944 ic = vap->iv_ic;
3945 rvap = (struct rt2870_softc_vap *) vap;
3946 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3947
3948 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3949 if (m == NULL)
3950 return ENOMEM;
3951
3952 rate = tp->mgmtrate;
3953 mcs = rt2870_rate2mcs(rate);
3954
3955 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3956
3957 txwi.wcid = RT2870_WCID_RESERVED;
3958 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3959 RT2870_TXWI_MPDU_LEN_SHIFT);
3960 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3961 txwi.mpdu_density_flags |=
3962 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3963 txwi.bawin_size_xflags |=
3964 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3965
3966 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3967 {
3968 txwi.phymode_ifs_stbc_shortgi =
3969 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3970
3971 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3972 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3973 }
3974 else
3975 {
3976 txwi.phymode_ifs_stbc_shortgi =
3977 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3978 }
3979
3980 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3981 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3982
3983 if (rvap->beacon_mbuf != NULL)
3984 {
3985 m_free(rvap->beacon_mbuf);
3986 rvap->beacon_mbuf = NULL;
3987 }
3988
3989 rvap->beacon_mbuf = m;
3990 rvap->beacon_txwi = txwi;
3991
3992 return 0;
3993 }
3994
3995 /*
3996 * rt2870_rxrate
3997 */
3998 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3999 {
4000 uint8_t mcs, phymode;
4001 uint8_t rate;
4002
4003 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
4004 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4005 RT2870_RXWI_PHYMODE_MASK;
4006
4007 rate = 2;
4008
4009 switch (phymode)
4010 {
4011 case RT2870_RXWI_PHYMODE_CCK:
4012 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
4013 {
4014 case 0: rate = 2; break; /* 1 Mbps */
4015 case 1: rate = 4; break; /* 2 MBps */
4016 case 2: rate = 11; break; /* 5.5 Mbps */
4017 case 3: rate = 22; break; /* 11 Mbps */
4018 }
4019 break;
4020
4021 case RT2870_RXWI_PHYMODE_OFDM:
4022 switch (mcs)
4023 {
4024 case 0: rate = 12; break; /* 6 Mbps */
4025 case 1: rate = 18; break; /* 9 Mbps */
4026 case 2: rate = 24; break; /* 12 Mbps */
4027 case 3: rate = 36; break; /* 18 Mbps */
4028 case 4: rate = 48; break; /* 24 Mbps */
4029 case 5: rate = 72; break; /* 36 Mbps */
4030 case 6: rate = 96; break; /* 48 Mbps */
4031 case 7: rate = 108; break; /* 54 Mbps */
4032 }
4033 break;
4034
4035 case RT2870_RXWI_PHYMODE_HT_MIXED:
4036 case RT2870_RXWI_PHYMODE_HT_GF:
4037 break;
4038 }
4039
4040 return rate;
4041 }
4042
4043 /*
4044 * rt2870_maxrssi_rxpath
4045 */
4046 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
4047 const struct rt2870_rxwi *rxwi)
4048 {
4049 uint8_t rxpath;
4050
4051 rxpath = 0;
4052
4053 if (sc->nrxpath > 1)
4054 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4055 rxpath = 1;
4056
4057 if (sc->nrxpath > 2)
4058 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4059 rxpath = 2;
4060
4061 return rxpath;
4062 }
4063
4064 /*
4065 * rt2870_rssi2dbm
4066 */
4067 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
4068 uint8_t rssi, uint8_t rxpath)
4069 {
4070 struct ifnet *ifp;
4071 struct ieee80211com *ic;
4072 struct ieee80211_channel *c;
4073 int chan;
4074 int8_t rssi_off, lna_gain;
4075
4076 if (rssi == 0)
4077 return -99;
4078
4079 ifp = sc->ifp;
4080 ic = ifp->if_l2com;
4081 c = ic->ic_curchan;
4082 chan = ieee80211_chan2ieee(ic, c);
4083
4084 if (IEEE80211_IS_CHAN_5GHZ(c))
4085 {
4086 rssi_off = sc->rssi_off_5ghz[rxpath];
4087
4088 if (chan <= 64)
4089 lna_gain = sc->lna_gain[1];
4090 else if (chan <= 128)
4091 lna_gain = sc->lna_gain[2];
4092 else
4093 lna_gain = sc->lna_gain[3];
4094 }
4095 else
4096 {
4097 rssi_off = sc->rssi_off_2ghz[rxpath];
4098 lna_gain = sc->lna_gain[0];
4099 }
4100
4101 return (-12 - rssi_off - lna_gain - rssi);
4102 }
4103
4104 /*
4105 * rt2870_rate2mcs
4106 */
4107 static uint8_t rt2870_rate2mcs(uint8_t rate)
4108 {
4109 switch (rate)
4110 {
4111 /* CCK rates */
4112 case 2: return 0;
4113 case 4: return 1;
4114 case 11: return 2;
4115 case 22: return 3;
4116
4117 /* OFDM rates */
4118 case 12: return 0;
4119 case 18: return 1;
4120 case 24: return 2;
4121 case 36: return 3;
4122 case 48: return 4;
4123 case 72: return 5;
4124 case 96: return 6;
4125 case 108: return 7;
4126 }
4127
4128 return 0;
4129 }
4130
4131 /*
4132 * rt2870_rx_frame
4133 */
4134 static void rt2870_rx_frame(struct rt2870_softc *sc,
4135 uint8_t *buf, uint32_t dmalen)
4136 {
4137 struct ifnet *ifp;
4138 struct ieee80211com *ic;
4139 struct ieee80211_frame *wh;
4140 struct ieee80211_node *ni;
4141 struct rt2870_softc_node *rni;
4142 struct rt2870_softc_rx_radiotap_header *tap;
4143 struct rt2870_rxwi *rxwi;
4144 struct rt2870_rxinfo *rxinfo;
4145 struct mbuf *m;
4146 uint32_t rxinfo_flags;
4147 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs, keyidx;
4148 int8_t rssi_dbm;
4149 int len, ampdu, amsdu, rssi_dbm_rel, i;
4150
4151 ifp = sc->ifp;
4152 ic = ifp->if_l2com;
4153
4154 /* get Rx wireless info */
4155
4156 rxwi = (struct rt2870_rxwi *) buf;
4157 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
4158 RT2870_RXWI_SIZE_MASK;
4159
4160 if (len > dmalen)
4161 {
4162 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4163 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
4164 device_get_nameunit(sc->dev), dmalen, len);
4165 return;
4166 }
4167
4168 /* get Rx info */
4169
4170 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
4171 rxinfo_flags = le32toh(rxinfo->flags);
4172
4173 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4174 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
4175 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
4176
4177 /* check for crc errors */
4178
4179 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4180 {
4181 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4182 "%s: rxinfo: crc error\n",
4183 device_get_nameunit(sc->dev));
4184
4185 ifp->if_ierrors++;
4186
4187 if (!(ifp->if_flags & IFF_PROMISC))
4188 return;
4189 }
4190
4191 wh = (struct ieee80211_frame *) (rxwi + 1);
4192
4193 /* check for L2 padding between IEEE 802.11 frame header and body */
4194
4195 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
4196 {
4197 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4198 "%s: L2 padding: DMA len=%d, len=%d\n",
4199 device_get_nameunit(sc->dev), dmalen, len);
4200
4201 len += 2;
4202 }
4203
4204 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4205 if (m == NULL)
4206 {
4207 sc->rx_mbuf_alloc_errors++;
4208 ifp->if_ierrors++;
4209 return;
4210 }
4211
4212 m->m_pkthdr.rcvif = ifp;
4213 m->m_pkthdr.len = m->m_len = len;
4214
4215 m_copyback(m, 0, len, (caddr_t) wh);
4216
4217 wh = mtod(m, struct ieee80211_frame *);
4218
4219 /* check for cipher errors */
4220
4221 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4222 {
4223 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4224 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4225 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4226 {
4227 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4228 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4229
4230 m->m_flags |= M_WEP;
4231
4232 sc->rx_cipher_no_errors++;
4233 }
4234 else
4235 {
4236 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4237 "%s: rxinfo: cipher error=0x%02x\n",
4238 device_get_nameunit(sc->dev), cipher_err);
4239
4240 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_ICV)
4241 sc->rx_cipher_icv_errors++;
4242 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC)
4243 sc->rx_cipher_mic_errors++;
4244 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_INVALID_KEY)
4245 sc->rx_cipher_invalid_key_errors++;
4246
4247 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4248 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4249 {
4250 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
4251 if (ni != NULL)
4252 {
4253 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4254 RT2870_RXWI_KEYIDX_MASK;
4255
4256 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
4257
4258 ieee80211_free_node(ni);
4259 }
4260 }
4261
4262 ifp->if_ierrors++;
4263
4264 if (!(ifp->if_flags & IFF_PROMISC))
4265 {
4266 m_free(m);
4267 return;
4268 }
4269 }
4270 }
4271 else
4272 {
4273 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4274 {
4275 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4276 "%s: rxinfo: not decrypted but protected flag set\n",
4277 device_get_nameunit(sc->dev));
4278
4279 ifp->if_ierrors++;
4280
4281 if (!(ifp->if_flags & IFF_PROMISC))
4282 {
4283 m_free(m);
4284 return;
4285 }
4286 }
4287 }
4288
4289 /* check for A-MPDU */
4290
4291 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
4292 {
4293 m->m_flags |= M_AMPDU;
4294
4295 sc->rx_ampdu++;
4296
4297 ampdu = 1;
4298 }
4299 else
4300 {
4301 ampdu = 0;
4302 }
4303
4304 /* check for A-MSDU */
4305
4306 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4307 {
4308 sc->rx_amsdu++;
4309
4310 amsdu = 1;
4311 }
4312 else
4313 {
4314 amsdu = 0;
4315 }
4316
4317 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4318 rssi = rxwi->rssi[ant];
4319 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4320 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4321 RT2870_RXWI_PHYMODE_MASK);
4322 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4323 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4324 RT2870_RXWI_SHORTGI_MASK);
4325 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4326
4327 if (ieee80211_radiotap_active(ic))
4328 {
4329 tap = &sc->rxtap;
4330
4331 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4332 tap->dbm_antsignal = rssi_dbm;
4333 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4334 tap->antenna = ant;
4335 tap->antsignal = rssi;
4336 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4337 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4338 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4339 tap->chan_maxpow = 0;
4340
4341 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4342 tap->rate = rt2870_rxrate(rxwi);
4343 else
4344 tap->rate = mcs | IEEE80211_RATE_MCS;
4345
4346 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4347 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4348
4349 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4350 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4351
4352 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4353 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4354
4355 if ((rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED) ||
4356 (wh->i_fc[1] & IEEE80211_FC1_WEP))
4357 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4358
4359 if (shortgi)
4360 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4361 }
4362
4363 /*
4364 * net80211 assumes that RSSI data are in the range [-127..127] and
4365 * in .5 dBm units relative to the current noise floor
4366 */
4367
4368 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4369 if (rssi_dbm_rel > 127)
4370 rssi_dbm_rel = 127;
4371
4372 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4373 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
4374 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
4375 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
4376 device_get_nameunit(sc->dev),
4377 len, phymode, bw, shortgi, mcs,
4378 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4379 rxwi->snr[0], rxwi->snr[1],
4380 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
4381
4382 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4383 if (ni != NULL)
4384 {
4385 rni = (struct rt2870_softc_node *) ni;
4386
4387 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4388 {
4389 rni->last_rssi[i] = rxwi->rssi[i];
4390 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4391 }
4392
4393 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4394 ieee80211_free_node(ni);
4395 }
4396 else
4397 {
4398 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4399 }
4400 }
4401
4402 /*
4403 * rt2870_tx_mgmt
4404 */
4405 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4406 struct mbuf *m, struct ieee80211_node *ni, int qid)
4407 {
4408 struct ifnet *ifp;
4409 struct ieee80211com *ic;
4410 struct ieee80211vap *vap;
4411 const struct ieee80211_txparam *tp;
4412 struct rt2870_softc_node *rni;
4413 struct rt2870_softc_tx_ring *ring;
4414 struct rt2870_softc_tx_data *data;
4415 struct rt2870_txinfo *txinfo;
4416 struct rt2870_txwi *txwi;
4417 struct ieee80211_frame *wh;
4418 struct rt2870_softc_tx_radiotap_header *tap;
4419 u_int hdrsize, hdrspace;
4420 uint8_t rate, stbc, shortgi, mcs, pid;
4421 uint16_t len, dmalen, mpdu_len, dur;
4422 int mimops;
4423
4424 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4425 ("%s: Tx MGMT: invalid qid=%d\n",
4426 device_get_nameunit(sc->dev), qid));
4427
4428 ifp = sc->ifp;
4429 ic = ifp->if_l2com;
4430 vap = ni->ni_vap;
4431 rni = (struct rt2870_softc_node *) ni;
4432 tp = ni->ni_txparms;
4433
4434 ring = &sc->tx_ring[qid];
4435 data = STAILQ_FIRST(&ring->inactive);
4436 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4437 txinfo = (struct rt2870_txinfo *) data->buf;
4438 txwi = (struct rt2870_txwi *) (txinfo + 1);
4439
4440 wh = mtod(m, struct ieee80211_frame *);
4441
4442 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4443
4444 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4445
4446 /* align end on a 4-bytes boundary */
4447
4448 dmalen = (len + 3) & ~3;
4449
4450 /* fill Tx info */
4451
4452 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4453
4454 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4455
4456 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4457
4458 dmalen += 4;
4459
4460 memset((caddr_t) txinfo + len, 0, dmalen - len);
4461
4462 /* fill Tx wireless info */
4463
4464 if (ni->ni_flags & IEEE80211_NODE_HT)
4465 mcs = rate;
4466 else
4467 mcs = rt2870_rate2mcs(rate);
4468
4469 /* calculate MPDU length without padding */
4470
4471 hdrsize = ieee80211_hdrsize(wh);
4472 hdrspace = ieee80211_hdrspace(ic, wh);
4473 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4474
4475 memset(txwi, 0, sizeof(struct rt2870_txwi));
4476
4477 /* management frames do not need encryption */
4478
4479 txwi->wcid = 0xff;
4480
4481 /* MIMO power save */
4482
4483 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4484 {
4485 if (mcs > 7)
4486 {
4487 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4488 {
4489 /* dynamic MIMO power save */
4490
4491 txwi->mpdu_density_flags |=
4492 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4493 }
4494 else
4495 {
4496 /* static MIMO power save */
4497
4498 mcs = 7;
4499 }
4500 }
4501
4502 mimops = 1;
4503 }
4504 else
4505 {
4506 mimops = 0;
4507 }
4508
4509 pid = mcs;
4510
4511 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4512 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4513 RT2870_TXWI_MPDU_LEN_SHIFT);
4514
4515 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4516 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4517
4518 shortgi = ((ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4519 ((ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4520
4521 txwi->phymode_ifs_stbc_shortgi |=
4522 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4523 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4524
4525 txwi->phymode_ifs_stbc_shortgi |=
4526 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4527
4528 if (ni->ni_flags & IEEE80211_NODE_HT)
4529 {
4530 txwi->phymode_ifs_stbc_shortgi |=
4531 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4532 }
4533 else
4534 {
4535 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4536 {
4537 txwi->phymode_ifs_stbc_shortgi |=
4538 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4539
4540 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4541 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4542 }
4543 else
4544 {
4545 txwi->phymode_ifs_stbc_shortgi |=
4546 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4547 }
4548 }
4549
4550 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4551 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4552
4553 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4554
4555 /* skip ACKs for multicast frames */
4556
4557 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4558 {
4559 txwi->bawin_size_xflags |=
4560 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4561
4562 if (ni->ni_flags & IEEE80211_NODE_HT)
4563 {
4564 /* preamble + plcp + signal extension + SIFS */
4565
4566 dur = 16 + 4 + 6 + 10;
4567 }
4568 else
4569 {
4570 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4571 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4572 }
4573
4574 *(uint16_t *) wh->i_dur = htole16(dur);
4575 }
4576
4577 /* ask MAC to insert timestamp into probe responses */
4578
4579 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4580 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4581 txwi->mpdu_density_flags |=
4582 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4583
4584 if (ieee80211_radiotap_active_vap(vap))
4585 {
4586 tap = &sc->txtap;
4587
4588 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4589 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4590 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4591 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4592 tap->chan_maxpow = 0;
4593
4594 if (ni->ni_flags & IEEE80211_NODE_HT)
4595 tap->rate = mcs | IEEE80211_RATE_MCS;
4596 else
4597 tap->rate = rate;
4598
4599 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4600 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4601
4602 if (shortgi)
4603 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4604
4605 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4606 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4607
4608 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4609 {
4610 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4611
4612 ieee80211_radiotap_tx(vap, m);
4613
4614 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4615 }
4616 else
4617 {
4618 ieee80211_radiotap_tx(vap, m);
4619 }
4620 }
4621
4622 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4623
4624 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4625 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4626 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4627 device_get_nameunit(sc->dev),
4628 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4629
4630 data->len = dmalen;
4631 data->m = m;
4632 data->ni = ni;
4633
4634 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4635 ring->queued++;
4636
4637 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4638
4639 return 0;
4640 }
4641
4642 /*
4643 * rt2870_tx_data
4644 */
4645 static int rt2870_tx_data(struct rt2870_softc *sc,
4646 struct mbuf *m, struct ieee80211_node *ni, int qid)
4647 {
4648 struct ifnet *ifp;
4649 struct ieee80211com *ic;
4650 struct ieee80211vap *vap;
4651 const struct ieee80211_txparam *tp;
4652 struct rt2870_softc_node *rni;
4653 struct rt2870_softc_tx_ring *ring;
4654 struct rt2870_softc_tx_data *data;
4655 struct rt2870_txinfo *txinfo;
4656 struct rt2870_txwi *txwi;
4657 struct ieee80211_frame *wh;
4658 struct ieee80211_tx_ampdu *tx_ampdu;
4659 ieee80211_seq seqno;
4660 struct rt2870_softc_tx_radiotap_header *tap;
4661 u_int hdrsize, hdrspace;
4662 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4663 uint16_t qos, len, dmalen, mpdu_len, dur;
4664 int hasqos, ac, tid, ampdu, mimops;
4665
4666 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4667 ("%s: Tx data: invalid qid=%d\n",
4668 device_get_nameunit(sc->dev), qid));
4669
4670 ifp = sc->ifp;
4671 ic = ifp->if_l2com;
4672 vap = ni->ni_vap;
4673 rni = (struct rt2870_softc_node *) ni;
4674 tp = ni->ni_txparms;
4675
4676 ring = &sc->tx_ring[qid];
4677 data = STAILQ_FIRST(&ring->inactive);
4678 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4679 txinfo = (struct rt2870_txinfo *) data->buf;
4680 txwi = (struct rt2870_txwi *) (txinfo + 1);
4681
4682 wh = mtod(m, struct ieee80211_frame *);
4683
4684 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4685
4686 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4687 if (hasqos)
4688 {
4689 if (IEEE80211_HAS_ADDR4(wh))
4690 qos = le16toh(*(const uint16_t *)
4691 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4692 else
4693 qos = le16toh(*(const uint16_t *)
4694 (((struct ieee80211_qosframe *) wh)->i_qos));
4695 }
4696 else
4697 {
4698 qos = 0;
4699 }
4700
4701 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4702 rate = tp->mcastrate;
4703 else if (m->m_flags & M_EAPOL)
4704 rate = tp->mgmtrate;
4705 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4706 rate = tp->ucastrate;
4707 else
4708 rate = ni->ni_txrate;
4709
4710 rate &= IEEE80211_RATE_VAL;
4711
4712 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4713
4714 /* align end on a 4-bytes boundary */
4715
4716 dmalen = (len + 3) & ~3;
4717
4718 /* fill Tx info */
4719
4720 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4721
4722 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4723
4724 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4725
4726 dmalen += 4;
4727
4728 memset((caddr_t) txinfo + len, 0, dmalen - len);
4729
4730 /* fill Tx wireless info */
4731
4732 if (ni->ni_flags & IEEE80211_NODE_HT)
4733 mcs = rate;
4734 else
4735 mcs = rt2870_rate2mcs(rate);
4736
4737 if (type == IEEE80211_FC0_TYPE_DATA)
4738 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2870_WCID_MCAST;
4739 else
4740 wcid = RT2870_WCID_RESERVED;
4741
4742 /* calculate MPDU length without padding */
4743
4744 hdrsize = ieee80211_hdrsize(wh);
4745 hdrspace = ieee80211_hdrspace(ic, wh);
4746 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4747
4748 memset(txwi, 0, sizeof(struct rt2870_txwi));
4749
4750 txwi->wcid = wcid;
4751
4752 /* MIMO power save */
4753
4754 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4755 {
4756 if (mcs > 7)
4757 {
4758 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4759 {
4760 /* dynamic MIMO power save */
4761
4762 txwi->mpdu_density_flags |=
4763 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4764 }
4765 else
4766 {
4767 /* static MIMO power save */
4768
4769 mcs = 7;
4770 }
4771 }
4772
4773 mimops = 1;
4774 }
4775 else
4776 {
4777 mimops = 0;
4778 }
4779
4780 pid = mcs;
4781
4782 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4783 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4784 RT2870_TXWI_MPDU_LEN_SHIFT);
4785
4786 stbc = (ic->ic_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4787 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4788
4789 shortgi = ((ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4790 ((ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4791
4792 txwi->phymode_ifs_stbc_shortgi |=
4793 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4794 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4795
4796 if (ni->ni_flags & IEEE80211_NODE_HT)
4797 {
4798 txwi->phymode_ifs_stbc_shortgi |=
4799 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4800 }
4801 else
4802 {
4803 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4804 {
4805 txwi->phymode_ifs_stbc_shortgi |=
4806 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4807
4808 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4809 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4810 }
4811 else
4812 {
4813 txwi->phymode_ifs_stbc_shortgi |=
4814 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4815 }
4816 }
4817
4818 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4819 bw = RT2870_TXWI_BW_40;
4820 else
4821 bw = RT2870_TXWI_BW_20;
4822
4823 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4824 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4825
4826 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4827
4828 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4829 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4830 {
4831 txwi->bawin_size_xflags |=
4832 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4833
4834 if (ni->ni_flags & IEEE80211_NODE_HT)
4835 {
4836 /* preamble + plcp + signal extension + SIFS */
4837
4838 dur = 16 + 4 + 6 + 10;
4839 }
4840 else
4841 {
4842 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4843 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4844 }
4845
4846 *(uint16_t *) wh->i_dur = htole16(dur);
4847 }
4848
4849 /* check fo A-MPDU */
4850
4851 if (m->m_flags & M_AMPDU_MPDU)
4852 {
4853 ac = M_WME_GETAC(m);
4854 tid = WME_AC_TO_TID(ac);
4855 tx_ampdu = &ni->ni_tx_ampdu[ac];
4856
4857 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4858 bawin_size = tx_ampdu->txa_wnd;
4859
4860 txwi->mpdu_density_flags |=
4861 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4862 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4863
4864 txwi->bawin_size_xflags |=
4865 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4866
4867 seqno = ni->ni_txseqs[tid]++;
4868
4869 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4870
4871 ampdu = 1;
4872 }
4873 else
4874 {
4875 ampdu = 0;
4876 }
4877
4878 /* ask MAC to insert timestamp into probe responses */
4879
4880 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4881 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4882 txwi->mpdu_density_flags |=
4883 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4884
4885 if (ieee80211_radiotap_active_vap(vap))
4886 {
4887 tap = &sc->txtap;
4888
4889 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4890 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4891 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4892 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4893 tap->chan_maxpow = 0;
4894
4895 if (ni->ni_flags & IEEE80211_NODE_HT)
4896 tap->rate = mcs | IEEE80211_RATE_MCS;
4897 else
4898 tap->rate = rate;
4899
4900 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4901 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4902
4903 if (shortgi)
4904 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4905
4906 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4907 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4908
4909 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4910 {
4911 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4912
4913 ieee80211_radiotap_tx(vap, m);
4914
4915 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4916 }
4917 else
4918 {
4919 ieee80211_radiotap_tx(vap, m);
4920 }
4921 }
4922
4923 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4924
4925 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4926 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4927 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, mimops=%d, DMA len=%d\n",
4928 device_get_nameunit(sc->dev),
4929 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4930 bw, stbc, shortgi, mcs, wcid, ampdu, mimops, dmalen);
4931
4932 data->len = dmalen;
4933 data->m = m;
4934 data->ni = ni;
4935
4936 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4937 ring->queued++;
4938
4939 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4940
4941 return 0;
4942 }
4943
4944 /*
4945 * rt2870_tx_raw
4946 */
4947 static int rt2870_tx_raw(struct rt2870_softc *sc,
4948 struct mbuf *m, struct ieee80211_node *ni,
4949 const struct ieee80211_bpf_params *params)
4950 {
4951 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4952 "%s: Tx raw\n",
4953 device_get_nameunit(sc->dev));
4954
4955 return 0;
4956 }
4957
4958 /*
4959 * rt2870_rx_intr
4960 */
4961 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4962 {
4963 struct rt2870_softc *sc;
4964 struct ifnet *ifp;
4965 struct rt2870_softc_rx_ring *ring;
4966 struct rt2870_softc_rx_data *data;
4967 int len;
4968
4969 sc = usbd_xfer_softc(xfer);
4970 ifp = sc->ifp;
4971 ring = &sc->rx_ring;
4972
4973 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4974 "%s: Rx interrupt: state=%d, error=%s\n",
4975 device_get_nameunit(sc->dev),
4976 USB_GET_STATE(xfer), usbd_errstr(error));
4977
4978 switch (USB_GET_STATE(xfer))
4979 {
4980 case USB_ST_TRANSFERRED:
4981 sc->interrupts++;
4982 sc->rx_interrupts++;
4983
4984 data = STAILQ_FIRST(&ring->active);
4985 if (data == NULL)
4986 goto setup;
4987
4988 STAILQ_REMOVE_HEAD(&ring->active, next);
4989
4990 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4991
4992 data->len = len;
4993
4994 STAILQ_INSERT_TAIL(&ring->done, data, next);
4995
4996 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4997
4998 /* FALLTHROUGH */
4999
5000 setup:
5001
5002 case USB_ST_SETUP:
5003 data = STAILQ_FIRST(&ring->inactive);
5004 if (data == NULL)
5005 break;
5006
5007 STAILQ_REMOVE_HEAD(&ring->inactive, next);
5008
5009 STAILQ_INSERT_TAIL(&ring->active, data, next);
5010
5011 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
5012 usbd_transfer_submit(xfer);
5013 break;
5014
5015 default:
5016 sc->interrupts++;
5017 sc->rx_interrupts++;
5018
5019 data = STAILQ_FIRST(&ring->active);
5020 if (data != NULL)
5021 {
5022 STAILQ_REMOVE_HEAD(&ring->active, next);
5023 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5024 }
5025
5026 if (error != USB_ERR_CANCELLED)
5027 {
5028 ifp->if_ierrors++;
5029
5030 usbd_xfer_set_stall(xfer);
5031
5032 goto setup;
5033 }
5034 break;
5035 }
5036 }
5037
5038 /*
5039 * rt2870_tx_intr
5040 */
5041 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
5042 {
5043 struct rt2870_softc *sc;
5044 struct ifnet *ifp;
5045 struct rt2870_softc_tx_ring *ring;
5046 struct rt2870_softc_tx_data *data;
5047
5048 sc = usbd_xfer_softc(xfer);
5049 ifp = sc->ifp;
5050 ring = usbd_xfer_get_priv(xfer);
5051
5052 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
5053
5054 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5055 "%s: Tx interrupt: state=%d, error=%s\n",
5056 device_get_nameunit(sc->dev),
5057 USB_GET_STATE(xfer), usbd_errstr(error));
5058
5059 switch (USB_GET_STATE(xfer))
5060 {
5061 case USB_ST_TRANSFERRED:
5062 sc->interrupts++;
5063 sc->tx_interrupts[ring->qid]++;
5064
5065 data = STAILQ_FIRST(&ring->active);
5066 if (data == NULL)
5067 goto setup;
5068
5069 STAILQ_REMOVE_HEAD(&ring->active, next);
5070
5071 STAILQ_INSERT_TAIL(&ring->done, data, next);
5072
5073 sc->tx_qid_pending_mask |= (1 << ring->qid);
5074
5075 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5076
5077 /* FALLTHROUGH */
5078
5079 setup:
5080
5081 case USB_ST_SETUP:
5082 data = STAILQ_FIRST(&ring->pending);
5083 if (data == NULL)
5084 break;
5085
5086 STAILQ_REMOVE_HEAD(&ring->pending, next);
5087 STAILQ_INSERT_TAIL(&ring->active, data, next);
5088
5089 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
5090 usbd_transfer_submit(xfer);
5091
5092 RT2870_SOFTC_UNLOCK(sc);
5093
5094 rt2870_start(ifp);
5095
5096 RT2870_SOFTC_LOCK(sc);
5097 break;
5098
5099 default:
5100 sc->interrupts++;
5101 sc->tx_interrupts[ring->qid]++;
5102
5103 data = STAILQ_FIRST(&ring->active);
5104 if (data != NULL)
5105 {
5106 STAILQ_REMOVE_HEAD(&ring->active, next);
5107
5108 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
5109 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
5110
5111 if (data->m != NULL)
5112 {
5113 m_freem(data->m);
5114 data->m = NULL;
5115 }
5116
5117 if (data->ni != NULL)
5118 {
5119 ieee80211_free_node(data->ni);
5120 data->ni = NULL;
5121 }
5122
5123 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5124
5125 ring->queued--;
5126 }
5127
5128 if (error != USB_ERR_CANCELLED)
5129 {
5130 ifp->if_oerrors++;
5131 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5132
5133 usbd_xfer_set_stall(xfer);
5134
5135 goto setup;
5136 }
5137 break;
5138 }
5139 }
5140
5141 /*
5142 * rt2870_rx_done_task
5143 */
5144 static void rt2870_rx_done_task(void *context, int pending)
5145 {
5146 struct rt2870_softc *sc;
5147 struct ifnet *ifp;
5148
5149 sc = context;
5150 ifp = sc->ifp;
5151
5152 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5153 "%s: Rx done task\n",
5154 device_get_nameunit(sc->dev));
5155
5156 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5157 return;
5158
5159 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
5160 {
5161 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5162 "%s: Rx done task: scheduling again\n",
5163 device_get_nameunit(sc->dev));
5164
5165 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5166 }
5167 }
5168
5169 /*
5170 * rt2870_tx_done_task
5171 */
5172 static void rt2870_tx_done_task(void *context, int pending)
5173 {
5174 struct rt2870_softc *sc;
5175 struct ifnet *ifp;
5176 int i;
5177
5178 sc = context;
5179 ifp = sc->ifp;
5180
5181 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5182 "%s: Tx done task\n",
5183 device_get_nameunit(sc->dev));
5184
5185 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5186 return;
5187
5188 for (i = sc->usb_endpoints - 2; i >= 0; i--)
5189 {
5190 if (sc->tx_qid_pending_mask & (1 << i))
5191 {
5192 sc->tx_qid_pending_mask &= ~(1 << i);
5193
5194 rt2870_tx_eof(sc, &sc->tx_ring[i]);
5195 }
5196 }
5197
5198 if (sc->tx_qid_pending_mask != 0)
5199 {
5200 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5201 "%s: Tx done task: scheduling again\n",
5202 device_get_nameunit(sc->dev));
5203
5204 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5205 }
5206
5207 sc->tx_timer = 0;
5208
5209 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5210 }
5211
5212 /*
5213 * rt2870_periodic_task
5214 */
5215 static void rt2870_periodic_task(void *context, int pending)
5216 {
5217 struct rt2870_softc *sc;
5218 struct ifnet *ifp;
5219 struct ieee80211com *ic;
5220 struct ieee80211vap *vap;
5221
5222 sc = context;
5223 ifp = sc->ifp;
5224 ic = ifp->if_l2com;
5225 vap = TAILQ_FIRST(&ic->ic_vaps);
5226
5227 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5228 "%s: periodic task: round=%lu\n",
5229 device_get_nameunit(sc->dev), sc->periodic_round);
5230
5231 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5232 return;
5233
5234 RT2870_SOFTC_LOCK(sc);
5235
5236 sc->periodic_round++;
5237
5238 rt2870_update_stats(sc);
5239
5240 if ((sc->periodic_round % 10) == 0)
5241 {
5242 rt2870_bbp_tuning(sc);
5243
5244 rt2870_update_raw_counters(sc);
5245
5246 rt2870_watchdog(sc);
5247
5248 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5249 {
5250 if (vap->iv_opmode == IEEE80211_M_STA)
5251 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
5252 else
5253 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
5254 }
5255 }
5256
5257 RT2870_SOFTC_UNLOCK(sc);
5258
5259 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5260 }
5261
5262 /*
5263 * rt2870_cmd_task
5264 */
5265 static void rt2870_cmd_task(void *context, int pending)
5266 {
5267 struct rt2870_softc *sc;
5268 struct rt2870_softc_cmd_ring *ring;
5269 struct rt2870_softc_cmd *cmd;
5270
5271 sc = context;
5272 ring = &sc->cmd_ring;
5273
5274 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
5275 return;
5276
5277 while (1)
5278 {
5279 RT2870_SOFTC_LOCK(sc);
5280
5281 cmd = STAILQ_FIRST(&ring->active);
5282 if (cmd == NULL)
5283 {
5284 RT2870_SOFTC_UNLOCK(sc);
5285 break;
5286 }
5287
5288 STAILQ_REMOVE_HEAD(&ring->active, next);
5289
5290 RT2870_SOFTC_UNLOCK(sc);
5291
5292 cmd->cb(sc, cmd->data);
5293
5294 RT2870_SOFTC_LOCK(sc);
5295
5296 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5297 ring->queued--;
5298
5299 RT2870_SOFTC_UNLOCK(sc);
5300 }
5301 }
5302
5303 /*
5304 * rt2870_rx_eof
5305 */
5306 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5307 {
5308 struct ifnet *ifp;
5309 struct rt2870_softc_rx_ring *ring;
5310 struct rt2870_softc_rx_data *data;
5311 uint32_t dmalen;
5312 uint8_t *buf;
5313 int nframes, len;
5314
5315 ifp = sc->ifp;
5316 ring = &sc->rx_ring;
5317
5318 nframes = 0;
5319
5320 while (limit != 0)
5321 {
5322 RT2870_SOFTC_LOCK(sc);
5323
5324 data = STAILQ_FIRST(&ring->done);
5325 if (data == NULL)
5326 {
5327 RT2870_SOFTC_UNLOCK(sc);
5328 break;
5329 }
5330
5331 STAILQ_REMOVE_HEAD(&ring->done, next);
5332
5333 RT2870_SOFTC_UNLOCK(sc);
5334
5335 buf = data->buf;
5336 len = data->len;
5337
5338 if (len < RT2870_RX_DESC_SIZE)
5339 {
5340 ifp->if_ierrors++;
5341 goto skip;
5342 }
5343
5344 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5345 {
5346 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5347
5348 if (dmalen == 0 || (dmalen & 3) != 0)
5349 {
5350 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5351 "%s: bad DMA len=%u\n",
5352 device_get_nameunit(sc->dev), dmalen);
5353 goto skip;
5354 }
5355
5356 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5357 {
5358 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5359 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5360 device_get_nameunit(sc->dev),
5361 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5362 goto skip;
5363 }
5364
5365 nframes++;
5366
5367 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5368
5369 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5370 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5371 }
5372
5373 skip:
5374
5375 RT2870_SOFTC_LOCK(sc);
5376
5377 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5378
5379 usbd_transfer_start(sc->usb_xfer[0]);
5380
5381 RT2870_SOFTC_UNLOCK(sc);
5382
5383 limit--;
5384 }
5385
5386 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5387 "%s: Rx eof: nframes=%d\n",
5388 device_get_nameunit(sc->dev), nframes);
5389
5390 sc->rx_packets += nframes;
5391
5392 return (limit == 0);
5393 }
5394
5395 /*
5396 * rt2870_tx_eof
5397 */
5398 static void rt2870_tx_eof(struct rt2870_softc *sc,
5399 struct rt2870_softc_tx_ring *ring)
5400 {
5401 struct ifnet *ifp;
5402 struct rt2870_softc_tx_data *data;
5403 int nframes;
5404
5405 ifp = sc->ifp;
5406
5407 nframes = 0;
5408
5409 while (1)
5410 {
5411 RT2870_SOFTC_LOCK(sc);
5412
5413 data = STAILQ_FIRST(&ring->done);
5414 if (data == NULL)
5415 {
5416 RT2870_SOFTC_UNLOCK(sc);
5417 break;
5418 }
5419
5420 STAILQ_REMOVE_HEAD(&ring->done, next);
5421
5422 rt2870_drain_fifo_stats(sc);
5423
5424 RT2870_SOFTC_UNLOCK(sc);
5425
5426 nframes++;
5427
5428 if (data->m->m_flags & M_TXCB)
5429 ieee80211_process_callback(data->ni, data->m, 0);
5430
5431 m_freem(data->m);
5432
5433 ieee80211_free_node(data->ni);
5434
5435 data->m = NULL;
5436 data->ni = NULL;
5437
5438 RT2870_SOFTC_LOCK(sc);
5439
5440 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5441
5442 ring->queued--;
5443 ifp->if_opackets++;
5444
5445 RT2870_SOFTC_UNLOCK(sc);
5446 }
5447
5448 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5449 "%s: Tx eof: qid=%d, nframes=%d\n",
5450 device_get_nameunit(sc->dev), ring->qid, nframes);
5451 }
5452
5453 /*
5454 * rt2870_update_stats
5455 */
5456 static void rt2870_update_stats(struct rt2870_softc *sc)
5457 {
5458 struct ifnet *ifp;
5459 struct ieee80211com *ic;
5460 uint32_t stacnt[3];
5461 int beacons, noretryok, retryok, failed, underflows, zerolen;
5462
5463 ifp = sc->ifp;
5464 ic = ifp->if_l2com;
5465
5466 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5467 "%s: update statistic\n",
5468 device_get_nameunit(sc->dev));
5469
5470 rt2870_drain_fifo_stats(sc);
5471
5472 /* read and clear Tx statistic registers */
5473
5474 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5475 stacnt, sizeof(stacnt));
5476
5477 stacnt[0] = le32toh(stacnt[0]);
5478 stacnt[1] = le32toh(stacnt[1]);
5479 stacnt[2] = le32toh(stacnt[2]);
5480
5481 beacons = stacnt[0] >> 16;
5482 noretryok = stacnt[1] & 0xffff;
5483 retryok = stacnt[1] >> 16;
5484 failed = stacnt[0] & 0xffff;
5485 underflows = stacnt[2] >> 16;
5486 zerolen = stacnt[2] & 0xffff;
5487
5488 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5489 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5490 device_get_nameunit(sc->dev),
5491 beacons, noretryok, retryok, failed, underflows, zerolen);
5492
5493 ifp->if_oerrors += failed;
5494
5495 sc->tx_beacons += beacons;
5496 sc->tx_noretryok += noretryok;
5497 sc->tx_retryok += retryok;
5498 sc->tx_failed += failed;
5499 sc->tx_underflows += underflows;
5500 sc->tx_zerolen += zerolen;
5501 }
5502
5503 /*
5504 * rt2870_bbp_tuning
5505 */
5506 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5507 {
5508 struct ifnet *ifp;
5509 struct ieee80211com *ic;
5510 struct ieee80211vap *vap;
5511 struct ieee80211_node *ni;
5512 int chan, group;
5513 int8_t rssi, old, new;
5514
5515 /* RT2860C does not support BBP tuning */
5516
5517 if (sc->mac_rev == 0x28600100)
5518 return;
5519
5520 ifp = sc->ifp;
5521 ic = ifp->if_l2com;
5522 vap = TAILQ_FIRST(&ic->ic_vaps);
5523
5524 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5525 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5526 return;
5527
5528 ni = vap->iv_bss;
5529
5530 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5531
5532 if (chan <= 14)
5533 group = 0;
5534 else if (chan <= 64)
5535 group = 1;
5536 else if (chan <= 128)
5537 group = 2;
5538 else
5539 group = 3;
5540
5541 rssi = ieee80211_getrssi(vap);
5542
5543 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5544 {
5545 new = 0x2e + sc->lna_gain[group];
5546 }
5547 else
5548 {
5549 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5550 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5551 else
5552 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5553 }
5554
5555 /* Tune if absolute average RSSI is greater than -80 */
5556
5557 if (rssi > 30)
5558 new += 0x10;
5559
5560 old = rt2870_io_bbp_read(sc, 66);
5561
5562 if (old != new)
5563 rt2870_io_bbp_write(sc, 66, new);
5564 }
5565
5566 /*
5567 * rt2870_watchdog
5568 */
5569 static void rt2870_watchdog(struct rt2870_softc *sc)
5570 {
5571 uint32_t tmp;
5572 int ntries;
5573
5574 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5575
5576 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5577 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5578 device_get_nameunit(sc->dev), tmp);
5579
5580 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5581 {
5582 sc->tx_queue_not_empty[0]++;
5583
5584 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5585
5586 for (ntries = 0; ntries < 10; ntries++)
5587 {
5588 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5589 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5590 break;
5591
5592 DELAY(1);
5593 }
5594
5595 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5596 }
5597
5598 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5599 {
5600 sc->tx_queue_not_empty[1]++;
5601
5602 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5603
5604 for (ntries = 0; ntries < 10; ntries++)
5605 {
5606 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5607 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5608 break;
5609
5610 DELAY(1);
5611 }
5612
5613 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5614 }
5615 }
5616
5617 /*
5618 * rt2870_drain_fifo_stats
5619 */
5620 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5621 {
5622 struct ifnet *ifp;
5623 uint32_t stats;
5624 uint8_t wcid, mcs, pid;
5625 int ok, agg, retrycnt;
5626
5627 ifp = sc->ifp;
5628
5629 /* drain Tx status FIFO (maxsize = 16) */
5630
5631 while ((sc->flags & RT2870_SOFTC_FLAGS_VALID) &&
5632 ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5633 RT2870_REG_TX_STA_FIFO_VALID))
5634 {
5635 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5636 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5637
5638 /* if no ACK was requested, no feedback is available */
5639
5640 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2870_WCID_RESERVED)
5641 continue;
5642
5643 /* update AMRR statistic */
5644
5645 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5646 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5647 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5648 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5649 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5650 RT2870_REG_TX_STA_FIFO_PID_MASK;
5651 retrycnt = pid - mcs;
5652
5653 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5654 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5655 device_get_nameunit(sc->dev),
5656 wcid, ok, agg, mcs, pid, retrycnt);
5657
5658 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5659
5660 if (!ok)
5661 ifp->if_oerrors++;
5662 }
5663 }
5664
5665 /*
5666 * rt2870_update_raw_counters
5667 */
5668 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5669 {
5670 uint32_t tmp;
5671
5672 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5673
5674 sc->tx_nonagg += tmp & 0xffff;
5675 sc->tx_agg += tmp >> 16;
5676
5677 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5678
5679 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5680
5681 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5682
5683 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5684
5685 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5686
5687 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5688
5689 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5690
5691 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5692
5693 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5694
5695 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5696
5697 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5698
5699 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5700
5701 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5702
5703 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5704
5705 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5706
5707 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5708
5709 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5710
5711 sc->rx_crc_errors += tmp & 0xffff;
5712 sc->rx_phy_errors += tmp >> 16;
5713
5714 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5715
5716 sc->rx_false_ccas += tmp & 0xffff;
5717 sc->rx_plcp_errors += tmp >> 16;
5718
5719 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5720
5721 sc->rx_dup_packets += tmp & 0xffff;
5722 sc->rx_fifo_overflows += tmp >> 16;
5723
5724 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5725
5726 sc->tx_mpdu_zero_density += tmp & 0xffff;
5727 sc->rx_mpdu_zero_density += tmp >> 16;
5728 }
5729
5730 /*
5731 * rt2870_txrx_enable
5732 */
5733 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5734 {
5735 struct ieee80211com *ic;
5736 struct ifnet *ifp;
5737 uint32_t tmp;
5738 int ntries;
5739
5740 ifp = sc->ifp;
5741 ic = ifp->if_l2com;
5742
5743 /* enable Tx/Rx DMA engine */
5744
5745 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5746
5747 tmp &= 0xffffff00;
5748 tmp |= 0x1e;
5749
5750 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5751
5752 if ((sc->mac_rev & 0xffff) != 0x0101)
5753 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5754
5755 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5756
5757 for (ntries = 0; ntries < 200; ntries++)
5758 {
5759 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5760 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5761 break;
5762
5763 DELAY(1000);
5764 }
5765
5766 if (ntries == 200)
5767 {
5768 printf("%s: timeout waiting for DMA engine\n",
5769 device_get_nameunit(sc->dev));
5770 return -1;
5771 }
5772
5773 DELAY(50);
5774
5775 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5776 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5777 (48 << 16) | 96);
5778
5779 tmp |= RT2870_REG_TX_WB_DDONE |
5780 RT2870_REG_RX_DMA_ENABLE |
5781 RT2870_REG_TX_DMA_ENABLE;
5782
5783 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5784
5785 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5786 RT2870_REG_USB_DMA_RX_ENABLE |
5787 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5788 /* Rx agg limit in unit of 1024 byte */
5789 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5790 /* Rx agg timeout in unit of 33ns */
5791 0x80;
5792
5793 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5794
5795 /* set Rx filter */
5796
5797 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5798 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5799
5800 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5801 {
5802 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5803 RT2870_REG_RX_FILTER_DROP_CTS |
5804 RT2870_REG_RX_FILTER_DROP_BA |
5805 RT2870_REG_RX_FILTER_DROP_ACK |
5806 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5807 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5808 RT2870_REG_RX_FILTER_DROP_CFACK |
5809 RT2870_REG_RX_FILTER_DROP_CFEND;
5810
5811 if (ic->ic_opmode == IEEE80211_M_STA)
5812 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5813 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5814
5815 if (!(ifp->if_flags & IFF_PROMISC))
5816 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5817 }
5818
5819 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5820
5821 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5822 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5823
5824 return 0;
5825 }
5826
5827 /*
5828 * rt2870_alloc_rx_ring
5829 */
5830 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5831 struct rt2870_softc_rx_ring *ring)
5832 {
5833 struct rt2870_softc_rx_data *data;
5834 int i, error;
5835
5836 STAILQ_INIT(&ring->inactive);
5837 STAILQ_INIT(&ring->active);
5838 STAILQ_INIT(&ring->done);
5839
5840 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5841 {
5842 data = &ring->data[i];
5843
5844 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5845 if (data->buf == NULL)
5846 {
5847 printf("%s: could not allocate Rx buffer\n",
5848 device_get_nameunit(sc->dev));
5849 error = ENOMEM;
5850 goto fail;
5851 }
5852
5853 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5854 }
5855
5856 return 0;
5857
5858 fail:
5859
5860 rt2870_free_rx_ring(sc, ring);
5861
5862 return error;
5863 }
5864
5865 /*
5866 * rt2870_reset_rx_ring
5867 */
5868 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5869 struct rt2870_softc_rx_ring *ring)
5870 {
5871 struct rt2870_softc_rx_data *data;
5872 int i;
5873
5874 STAILQ_INIT(&ring->inactive);
5875 STAILQ_INIT(&ring->active);
5876 STAILQ_INIT(&ring->done);
5877
5878 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5879 {
5880 data = &ring->data[i];
5881
5882 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5883 }
5884 }
5885
5886 /*
5887 * rt2870_free_rx_ring
5888 */
5889 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5890 struct rt2870_softc_rx_ring *ring)
5891 {
5892 struct rt2870_softc_rx_data *data;
5893 int i;
5894
5895 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5896 {
5897 data = &ring->data[i];
5898
5899 if (data->buf != NULL)
5900 {
5901 free(data->buf, M_USBDEV);
5902 data->buf = NULL;
5903 }
5904 }
5905 }
5906
5907 /*
5908 * rt2870_alloc_tx_ring
5909 */
5910 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5911 struct rt2870_softc_tx_ring *ring, int qid)
5912 {
5913 struct rt2870_softc_tx_data *data;
5914 int i, error;
5915
5916 STAILQ_INIT(&ring->inactive);
5917 STAILQ_INIT(&ring->pending);
5918 STAILQ_INIT(&ring->active);
5919 STAILQ_INIT(&ring->done);
5920
5921 ring->queued = 0;
5922 ring->qid = qid;
5923
5924 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5925 {
5926 data = &ring->data[i];
5927
5928 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5929 if (data->buf == NULL)
5930 {
5931 printf("%s: could not allocate Tx buffer\n",
5932 device_get_nameunit(sc->dev));
5933 error = ENOMEM;
5934 goto fail;
5935 }
5936
5937 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5938
5939 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5940 }
5941
5942 return 0;
5943
5944 fail:
5945
5946 rt2870_free_tx_ring(sc, ring);
5947
5948 return error;
5949 }
5950
5951 /*
5952 * rt2870_reset_tx_ring
5953 */
5954 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5955 struct rt2870_softc_tx_ring *ring)
5956 {
5957 struct rt2870_softc_tx_data *data;
5958 int i;
5959
5960 STAILQ_INIT(&ring->inactive);
5961 STAILQ_INIT(&ring->pending);
5962 STAILQ_INIT(&ring->active);
5963 STAILQ_INIT(&ring->done);
5964
5965 ring->queued = 0;
5966
5967 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5968 {
5969 data = &ring->data[i];
5970
5971 if (data->m != NULL)
5972 {
5973 m_free(data->m);
5974 data->m = NULL;
5975 }
5976
5977 if (data->ni != NULL)
5978 {
5979 ieee80211_free_node(data->ni);
5980 data->ni = NULL;
5981 }
5982
5983 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5984 }
5985 }
5986
5987 /*
5988 * rt2870_free_tx_ring
5989 */
5990 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5991 struct rt2870_softc_tx_ring *ring)
5992 {
5993 struct rt2870_softc_tx_data *data;
5994 int i;
5995
5996 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5997 {
5998 data = &ring->data[i];
5999
6000 if (data->buf != NULL)
6001 {
6002 free(data->buf, M_USBDEV);
6003 data->buf = NULL;
6004 }
6005
6006 if (data->m != NULL)
6007 {
6008 m_free(data->m);
6009 data->m = NULL;
6010 }
6011
6012 if (data->ni != NULL)
6013 {
6014 ieee80211_free_node(data->ni);
6015 data->ni = NULL;
6016 }
6017 }
6018 }
6019
6020 /*
6021 * rt2870_reset_cmd_ring
6022 */
6023 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
6024 struct rt2870_softc_cmd_ring *ring)
6025 {
6026 struct rt2870_softc_cmd *cmd;
6027 int i;
6028
6029 STAILQ_INIT(&ring->inactive);
6030 STAILQ_INIT(&ring->active);
6031
6032 ring->queued = 0;
6033
6034 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
6035 {
6036 cmd = &ring->cmd[i];
6037
6038 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
6039 }
6040 }
6041
6042 /*
6043 * rt2870_sysctl_attach
6044 */
6045 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
6046 {
6047 struct sysctl_ctx_list *ctx;
6048 struct sysctl_oid *tree;
6049 struct sysctl_oid *stats;
6050
6051 ctx = device_get_sysctl_ctx(sc->dev);
6052 tree = device_get_sysctl_tree(sc->dev);
6053
6054 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6055 "stats", CTLFLAG_RD, 0, "statistic");
6056
6057 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6058 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6059 "all interrupts");
6060
6061 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6062 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6063 "Rx interrupts");
6064
6065 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6066 {
6067 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6068 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6069 "Tx MGMT interrupts");
6070
6071 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6072 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6073 "Tx HCCA interrupts");
6074 }
6075
6076 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6077 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6078 "Tx AC3 interrupts");
6079
6080 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6081 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6082 "Tx AC2 interrupts");
6083
6084 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6085 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6086 "Tx AC1 interrupts");
6087
6088 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6089 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6090 "Tx AC0 interrupts");
6091
6092 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6093 {
6094 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6095 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
6096 "Tx MGMT data queued");
6097
6098 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6099 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
6100 "Tx HCCA data queued");
6101 }
6102
6103 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6104 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
6105 "Tx AC3 data queued");
6106
6107 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6108 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
6109 "Tx AC2 data queued");
6110
6111 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6112 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
6113 "Tx AC1 data queued");
6114
6115 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6116 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
6117 "Tx AC0 data queued");
6118
6119 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6120 {
6121 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6122 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6123 "Tx MGMT data queue full");
6124
6125 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6126 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6127 "Tx HCCA data queue full");
6128 }
6129
6130 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6131 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6132 "Tx AC3 data queue full");
6133
6134 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6135 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6136 "Tx AC2 data queue full");
6137
6138 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6139 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6140 "Tx AC1 data queue full");
6141
6142 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6143 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6144 "Tx AC0 data queue full");
6145
6146 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6147 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6148 "Tx watchdog timeouts");
6149
6150 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6151 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6152 "Rx mbuf allocation errors");
6153
6154 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6155 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6156 "Tx queue 0 not empty");
6157
6158 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6159 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6160 "Tx queue 1 not empty");
6161
6162 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6163 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6164 "Tx beacons");
6165
6166 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6167 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6168 "Tx successfull without retries");
6169
6170 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6171 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6172 "Tx successfull with retries");
6173
6174 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6175 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6176 "Tx failed");
6177
6178 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6179 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6180 "Tx underflows");
6181
6182 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6183 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6184 "Tx zero length");
6185
6186 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6187 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6188 "Tx non-aggregated");
6189
6190 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6191 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6192 "Tx aggregated");
6193
6194 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6195 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6196 "Tx A-MPDU");
6197
6198 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6199 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6200 "Tx MPDU with zero density");
6201
6202 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6203 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6204 "Tx A-MPDU sessions");
6205
6206 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6207 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6208 "Rx packets");
6209
6210 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6211 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6212 "Rx A-MPDU");
6213
6214 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6215 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6216 "Rx MPDU with zero density");
6217
6218 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6219 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6220 "Rx A-MSDU");
6221
6222 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6223 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6224 "Rx CRC errors");
6225
6226 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6227 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6228 "Rx PHY errors");
6229
6230 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6231 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6232 "Rx false CCAs");
6233
6234 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6235 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6236 "Rx PLCP errors");
6237
6238 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6239 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6240 "Rx duplicate packets");
6241
6242 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6243 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6244 "Rx FIFO overflows");
6245
6246 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6247 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6248 "Rx cipher no errors");
6249
6250 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6251 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6252 "Rx cipher ICV errors");
6253
6254 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6255 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6256 "Rx cipher MIC errors");
6257
6258 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6259 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6260 "Rx cipher invalid key errors");
6261 }
6262
6263 static device_method_t rt2870_dev_methods[] =
6264 {
6265 DEVMETHOD(device_probe, rt2870_probe),
6266 DEVMETHOD(device_attach, rt2870_attach),
6267 DEVMETHOD(device_detach, rt2870_detach),
6268 { 0, 0 }
6269 };
6270
6271 static driver_t rt2870_driver =
6272 {
6273 "rt2870",
6274 rt2870_dev_methods,
6275 sizeof(struct rt2870_softc),
6276 };
6277
6278 static devclass_t rt2870_dev_class;
6279
6280 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6281 NULL, 0);
6282
6283 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6284 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870