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Added A-MPDU Rx session counter; Added hooks for ic_ampdu_rx_start and ic_ampdu_rx_st...
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blob83bc65b999db84838a32c5cf13ffa0be4cf756fb
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 int rt2870_addba_response(struct ieee80211_node *ni,
189 struct ieee80211_tx_ampdu *tap,
190 int status, int baparamset, int batimeout);
191
192 static void rt2870_addba_stop(struct ieee80211_node *ni,
193 struct ieee80211_tx_ampdu *tap);
194
195 static int rt2870_ampdu_rx_start(struct ieee80211_node *ni,
196 struct ieee80211_rx_ampdu *rap,
197 int baparamset, int batimeout, int baseqctl);
198
199 static void rt2870_ampdu_rx_stop(struct ieee80211_node *ni,
200 struct ieee80211_rx_ampdu *rap);
201
202 static int rt2870_send_bar(struct ieee80211_node *ni,
203 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno);
204
205 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
206
207 static void rt2870_periodic(void *arg);
208
209 static void rt2870_tx_watchdog(void *arg);
210
211 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid);
212
213 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid);
214
215 static int rt2870_do_async(struct rt2870_softc *sc,
216 void (*cb)(struct rt2870_softc *sc, void *arg),
217 void *arg, int len);
218
219 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg);
220
221 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
222
223 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
224
225 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg);
226
227 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
228
229 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
230
231 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
232 const uint8_t *bssid);
233
234 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
235 const uint8_t *addr);
236
237 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
238
239 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
240
241 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
242
243 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
244
245 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
246
247 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
248
249 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
250
251 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
252
253 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
254
255 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
256
257 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
258
259 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
260 struct ieee80211vap *vap);
261
262 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
263
264 static void rt2870_asic_add_ba_session(struct rt2870_softc *sc,
265 uint8_t wcid, int tid);
266
267 static void rt2870_asic_del_ba_session(struct rt2870_softc *sc,
268 uint8_t wcid, int tid);
269
270 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
271 struct ieee80211vap *vap);
272
273 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
274
275 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
276 const struct rt2870_rxwi *rxwi);
277
278 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
279 uint8_t rssi, uint8_t rxpath);
280
281 static uint8_t rt2870_rate2mcs(uint8_t rate);
282
283 static void rt2870_rx_frame(struct rt2870_softc *sc,
284 uint8_t *buf, uint32_t dmalen);
285
286 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
287 struct mbuf *m, struct ieee80211_node *ni, int qid);
288
289 static int rt2870_tx_data(struct rt2870_softc *sc,
290 struct mbuf *m, struct ieee80211_node *ni, int qid);
291
292 static int rt2870_tx_raw(struct rt2870_softc *sc,
293 struct mbuf *m, struct ieee80211_node *ni,
294 const struct ieee80211_bpf_params *params);
295
296 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
297
298 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
299
300 static void rt2870_rx_done_task(void *context, int pending);
301
302 static void rt2870_tx_done_task(void *context, int pending);
303
304 static void rt2870_periodic_task(void *context, int pending);
305
306 static void rt2870_cmd_task(void *context, int pending);
307
308 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
309
310 static void rt2870_tx_eof(struct rt2870_softc *sc,
311 struct rt2870_softc_tx_ring *ring);
312
313 static void rt2870_update_stats(struct rt2870_softc *sc);
314
315 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
316
317 static void rt2870_watchdog(struct rt2870_softc *sc);
318
319 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
320
321 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
322
323 static int rt2870_txrx_enable(struct rt2870_softc *sc);
324
325 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
326 struct rt2870_softc_rx_ring *ring);
327
328 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
329 struct rt2870_softc_rx_ring *ring);
330
331 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
332 struct rt2870_softc_rx_ring *ring);
333
334 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
335 struct rt2870_softc_tx_ring *ring, int qid);
336
337 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
338 struct rt2870_softc_tx_ring *ring);
339
340 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
341 struct rt2870_softc_tx_ring *ring);
342
343 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
344 struct rt2870_softc_cmd_ring *ring);
345
346 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
347
348 /*
349 * Static variables
350 */
351
352 static const struct usb_device_id rt2870_usb_devid[] =
353 {
354 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
355 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
356 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
357 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
358 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
359 };
360
361 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
362 {
363 {
364 .type = UE_BULK,
365 .endpoint = 0x01,
366 .direction = UE_DIR_IN,
367 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
368 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
369 .callback = rt2870_rx_intr,
370 },
371 {
372 .type = UE_BULK,
373 .endpoint = 0x01,
374 .direction = UE_DIR_OUT,
375 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
376 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
377 .callback = rt2870_tx_intr,
378 .timeout = RT2870_USB_XFER_TIMEOUT,
379 },
380 {
381 .type = UE_BULK,
382 .endpoint = 0x02,
383 .direction = UE_DIR_OUT,
384 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
385 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
386 .callback = rt2870_tx_intr,
387 .timeout = RT2870_USB_XFER_TIMEOUT,
388 },
389 {
390 .type = UE_BULK,
391 .endpoint = 0x03,
392 .direction = UE_DIR_OUT,
393 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
394 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
395 .callback = rt2870_tx_intr,
396 .timeout = RT2870_USB_XFER_TIMEOUT,
397 },
398 {
399 .type = UE_BULK,
400 .endpoint = 0x04,
401 .direction = UE_DIR_OUT,
402 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
403 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
404 .callback = rt2870_tx_intr,
405 .timeout = RT2870_USB_XFER_TIMEOUT,
406 },
407 {
408 .type = UE_BULK,
409 .endpoint = 0x05,
410 .direction = UE_DIR_OUT,
411 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
412 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
413 .callback = rt2870_tx_intr,
414 .timeout = RT2870_USB_XFER_TIMEOUT,
415 },
416 {
417 .type = UE_BULK,
418 .endpoint = 0x06,
419 .direction = UE_DIR_OUT,
420 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
421 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
422 .callback = rt2870_tx_intr,
423 .timeout = RT2870_USB_XFER_TIMEOUT,
424 },
425 };
426
427 static const struct
428 {
429 uint32_t reg;
430 uint32_t val;
431 } rt2870_def_mac[] =
432 {
433 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
434 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
435 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
436 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
437 { RT2870_REG_SYS_CTRL, 0x00000000 },
438 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
439 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
440 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
441 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
442 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
443 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
444 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
445 { RT2870_REG_LED_CFG, 0x7f031e46 },
446 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
447 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
448 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
449 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
450 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
451 { RT2870_REG_PBF_CFG, 0x00f40006 },
452 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
453 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
454 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
455 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
456 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
457 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
458 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
459 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
460 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
461 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
462 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
463 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
464 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
465 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
466 };
467
468 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
469
470 static const struct
471 {
472 uint8_t reg;
473 uint8_t val;
474 } rt2870_def_bbp[] =
475 {
476 { 65, 0x2c },
477 { 66, 0x38 },
478 { 69, 0x12 },
479 { 70, 0x0a },
480 { 73, 0x10 },
481 { 81, 0x37 },
482 { 82, 0x62 },
483 { 83, 0x6a },
484 { 84, 0x99 },
485 { 86, 0x00 },
486 { 91, 0x04 },
487 { 92, 0x00 },
488 { 103, 0x00 },
489 { 105, 0x05 },
490 { 106, 0x35 },
491 };
492
493 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
494
495 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
496
497 static int rt2870_tx_stbc = 1;
498 SYSCTL_INT(_hw_rt2870, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2870_tx_stbc, 0, "RT2870 Tx STBC");
499 TUNABLE_INT("hw.rt2870.tx_stbc", &rt2870_tx_stbc);
500
501 #ifdef RT2870_DEBUG
502 static int rt2870_debug = 0;
503 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "RT2870 debug level");
504 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
505 #endif
506
507 /*
508 * rt2870_probe
509 */
510 static int rt2870_probe(device_t dev)
511 {
512 struct usb_attach_arg *uaa;
513
514 uaa = device_get_ivars(dev);
515
516 if (uaa->usb_mode != USB_MODE_HOST)
517 return ENXIO;
518
519 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
520 return ENXIO;
521
522 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
523 return ENXIO;
524
525 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
526 sizeof(rt2870_usb_devid), uaa));
527 }
528
529 /*
530 * rt2870_attach
531 */
532 static int rt2870_attach(device_t dev)
533 {
534 struct rt2870_softc *sc;
535 struct usb_attach_arg *uaa;
536 usb_error_t usb_error;
537 struct ieee80211com *ic;
538 struct ifnet *ifp;
539 struct usb_interface *iface;
540 struct usb_interface_descriptor *iface_desc;
541 uint8_t iface_index;
542 int error, ntries, i;
543
544 sc = device_get_softc(dev);
545 uaa = device_get_ivars(dev);
546
547 sc->dev = dev;
548 sc->usb_dev = uaa->device;
549
550 device_set_usb_desc(dev);
551
552 sc->tx_stbc = rt2870_tx_stbc;
553
554 #ifdef RT2870_DEBUG
555 sc->debug = rt2870_debug;
556
557 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
558 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
559 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
560 #endif
561
562 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
563 "%s: attaching\n",
564 device_get_nameunit(sc->dev));
565
566 iface_index = RT2870_USB_IFACE_INDEX;
567
568 iface = usbd_get_iface(uaa->device, iface_index);
569 if (iface == NULL)
570 {
571 printf("%s: could not get USB interface\n",
572 device_get_nameunit(sc->dev));
573 return ENXIO;
574 }
575
576 iface_desc = usbd_get_interface_descriptor(iface);
577 if (iface_desc == NULL)
578 {
579 printf("%s: could not get USB interface descriptor\n",
580 device_get_nameunit(sc->dev));
581 return ENXIO;
582 }
583
584 sc->usb_endpoints = iface_desc->bNumEndpoints;
585 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
586 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
587 {
588 printf("%s: wrong number of USB endpoints=%d\n",
589 device_get_nameunit(sc->dev), sc->usb_endpoints);
590 return ENXIO;
591 }
592
593 mtx_init(&sc->lock, device_get_nameunit(dev),
594 MTX_NETWORK_LOCK, MTX_DEF);
595
596 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
597 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
598 sc, &sc->lock);
599 if (usb_error != 0)
600 {
601 printf("%s: could not allocate USB transfers: error=%s\n",
602 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
603 error = ENXIO;
604 goto fail;
605 }
606
607 sc->flags |= RT2870_SOFTC_FLAGS_VALID;
608
609 RT2870_SOFTC_LOCK(sc);
610
611 for (ntries = 0; ntries < 100; ntries++)
612 {
613 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
614 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
615 break;
616
617 DELAY(10);
618 }
619
620 if (ntries == 100)
621 {
622 printf("%s: timeout waiting for NIC to initialize\n",
623 device_get_nameunit(sc->dev));
624 error = ENXIO;
625 goto fail;
626 }
627
628 rt2870_read_eeprom(sc);
629
630 RT2870_SOFTC_UNLOCK(sc);
631
632 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
633 device_get_nameunit(sc->dev), sc->mac_rev,
634 rt2870_rf_name(sc->rf_rev));
635
636 RT2870_SOFTC_LOCK(sc);
637
638 /* clear key tables */
639
640 rt2870_asic_clear_keytables(sc);
641
642 RT2870_SOFTC_UNLOCK(sc);
643
644 /* allocate Tx and Rx rings */
645
646 for (i = 0; i < sc->usb_endpoints - 1; i++)
647 {
648 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
649 if (error != 0)
650 {
651 printf("%s: could not allocate Tx ring #%d\n",
652 device_get_nameunit(sc->dev), i);
653 goto fail;
654 }
655 }
656
657 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
658 sc->tx_ring_mgtqid = 5;
659 else
660 sc->tx_ring_mgtqid = 0;
661
662 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
663 if (error != 0)
664 {
665 printf("%s: could not allocate Rx ring\n",
666 device_get_nameunit(sc->dev));
667 goto fail;
668 }
669
670 callout_init(&sc->periodic_ch, 0);
671 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
672
673 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
674 if (ifp == NULL)
675 {
676 printf("%s: could not if_alloc()\n",
677 device_get_nameunit(sc->dev));
678 error = ENOMEM;
679 goto fail;
680 }
681
682 ifp->if_softc = sc;
683
684 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
685
686 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
687
688 ifp->if_init = rt2870_init;
689 ifp->if_ioctl = rt2870_ioctl;
690 ifp->if_start = rt2870_start;
691
692 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
693 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
694 IFQ_SET_READY(&ifp->if_snd);
695
696 ic = ifp->if_l2com;
697
698 ic->ic_ifp = ifp;
699
700 ic->ic_phytype = IEEE80211_T_HT;
701 ic->ic_opmode = IEEE80211_M_STA;
702
703 ic->ic_caps = IEEE80211_C_MONITOR |
704 IEEE80211_C_IBSS |
705 IEEE80211_C_STA |
706 IEEE80211_C_AHDEMO |
707 IEEE80211_C_HOSTAP |
708 IEEE80211_C_WDS |
709 IEEE80211_C_MBSS |
710 IEEE80211_C_BGSCAN |
711 IEEE80211_C_TXPMGT |
712 IEEE80211_C_SHPREAMBLE |
713 IEEE80211_C_SHSLOT |
714 IEEE80211_C_TXFRAG |
715 IEEE80211_C_BURST |
716 IEEE80211_C_WME |
717 IEEE80211_C_WPA;
718
719 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
720 IEEE80211_CRYPTO_TKIP |
721 IEEE80211_CRYPTO_TKIPMIC |
722 IEEE80211_CRYPTO_AES_CCM;
723
724 ic->ic_htcaps = IEEE80211_HTC_HT |
725 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
726 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
727 IEEE80211_HTC_SMPS | /* MIMO power save */
728 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
729 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
730 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
731 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
732 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
733 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
734
735 /* spatial streams */
736
737 if (sc->nrxpath == 2)
738 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
739 else if (sc->nrxpath == 3)
740 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
741 else
742 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
743
744 if (sc->ntxpath > 1)
745 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
746
747 /* delayed BA */
748
749 if (sc->mac_rev != 0x28600100)
750 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
751
752 /* init channels */
753
754 ic->ic_nchans = 0;
755
756 rt2870_init_channels(sc);
757
758 rt2870_init_channels_ht40(sc);
759
760 ieee80211_ifattach(ic, sc->mac_addr);
761
762 ic->ic_vap_create = rt2870_vap_create;
763 ic->ic_vap_delete = rt2870_vap_delete;
764
765 ic->ic_node_alloc = rt2870_node_alloc;
766
767 sc->node_cleanup = ic->ic_node_cleanup;
768 ic->ic_node_cleanup = rt2870_node_cleanup;
769
770 ic->ic_node_getmimoinfo = rt2870_node_getmimoinfo;
771 ic->ic_setregdomain = rt2870_setregdomain;
772 ic->ic_getradiocaps = rt2870_getradiocaps;
773 ic->ic_scan_start = rt2870_scan_start;
774 ic->ic_scan_end = rt2870_scan_end;
775 ic->ic_set_channel = rt2870_set_channel;
776 ic->ic_newassoc = rt2870_newassoc;
777 ic->ic_updateslot = rt2870_updateslot;
778 ic->ic_update_promisc = rt2870_update_promisc;
779 ic->ic_update_mcast = rt2870_update_mcast;
780 ic->ic_wme.wme_update = rt2870_wme_update;
781 ic->ic_raw_xmit = rt2870_raw_xmit;
782
783 sc->recv_action = ic->ic_recv_action;
784 ic->ic_recv_action = rt2870_recv_action;
785
786 sc->send_action = ic->ic_send_action;
787 ic->ic_send_action = rt2870_send_action;
788
789 sc->addba_response = ic->ic_addba_response;
790 ic->ic_addba_response = rt2870_addba_response;
791
792 sc->addba_stop = ic->ic_addba_stop;
793 ic->ic_addba_stop = rt2870_addba_stop;
794
795 sc->ampdu_rx_start = ic->ic_ampdu_rx_start;
796 ic->ic_ampdu_rx_start = rt2870_ampdu_rx_start;
797
798 sc->ampdu_rx_stop = ic->ic_ampdu_rx_stop;
799 ic->ic_ampdu_rx_stop = rt2870_ampdu_rx_stop;
800
801 /* hardware requires padding between 802.11 frame header and body */
802
803 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
804
805 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
806
807 ieee80211_radiotap_attach(ic,
808 &sc->txtap.ihdr, sizeof(sc->txtap),
809 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
810 &sc->rxtap.ihdr, sizeof(sc->rxtap),
811 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
812
813 /* init task queue */
814
815 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
816 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
817 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
818 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
819
820 sc->rx_process_limit = 100;
821
822 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
823 taskqueue_thread_enqueue, &sc->taskqueue);
824
825 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
826 device_get_nameunit(sc->dev));
827
828 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
829
830 rt2870_sysctl_attach(sc);
831
832 if (bootverbose)
833 ieee80211_announce(ic);
834
835 return 0;
836
837 fail:
838
839 /* stop all USB transfers */
840
841 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
842
843 /* free Tx and Rx rings */
844
845 for (i = 0; i < sc->usb_endpoints - 1; i++)
846 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
847
848 rt2870_free_rx_ring(sc, &sc->rx_ring);
849
850 mtx_destroy(&sc->lock);
851
852 return error;
853 }
854
855 /*
856 * rt2870_detach
857 */
858 static int rt2870_detach(device_t dev)
859 {
860 struct rt2870_softc *sc;
861 struct ieee80211com *ic;
862 struct ifnet *ifp;
863 int i;
864
865 if (!device_is_attached(dev))
866 return 0;
867
868 sc = device_get_softc(dev);
869 ifp = sc->ifp;
870 ic = ifp->if_l2com;
871
872 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
873 "%s: detaching\n",
874 device_get_nameunit(sc->dev));
875
876 RT2870_SOFTC_LOCK(sc);
877
878 sc->flags &= ~RT2870_SOFTC_FLAGS_VALID;
879
880 sc->tx_timer = 0;
881
882 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
883
884 callout_stop(&sc->periodic_ch);
885 callout_stop(&sc->tx_watchdog_ch);
886
887 RT2870_SOFTC_UNLOCK(sc);
888
889 taskqueue_block(sc->taskqueue);
890
891 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
892 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
893 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
894 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
895
896 /* stop all USB transfers */
897
898 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
899
900 RT2870_SOFTC_LOCK(sc);
901
902 /* free Tx and Rx rings */
903
904 for (i = 0; i < sc->usb_endpoints - 1; i++)
905 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
906
907 rt2870_free_rx_ring(sc, &sc->rx_ring);
908
909 RT2870_SOFTC_UNLOCK(sc);
910
911 ieee80211_ifdetach(ic);
912
913 if_free(ifp);
914
915 taskqueue_free(sc->taskqueue);
916
917 mtx_destroy(&sc->lock);
918
919 return 0;
920 }
921
922 /*
923 * rt2870_init_channels
924 */
925 static void rt2870_init_channels(struct rt2870_softc *sc)
926 {
927 struct ifnet *ifp;
928 struct ieee80211com *ic;
929 struct ieee80211_channel *c;
930 int i, flags;
931
932 ifp = sc->ifp;
933 ic = ifp->if_l2com;
934
935 /* set supported channels for 2GHz band */
936
937 for (i = 1; i <= 14; i++)
938 {
939 c = &ic->ic_channels[ic->ic_nchans++];
940 flags = IEEE80211_CHAN_B;
941
942 c->ic_freq = ieee80211_ieee2mhz(i, flags);
943 c->ic_ieee = i;
944 c->ic_flags = flags;
945
946 c = &ic->ic_channels[ic->ic_nchans++];
947 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
948
949 c->ic_freq = ieee80211_ieee2mhz(i, flags);
950 c->ic_ieee = i;
951 c->ic_flags = flags;
952
953 c = &ic->ic_channels[ic->ic_nchans++];
954 flags = IEEE80211_CHAN_G;
955
956 c->ic_freq = ieee80211_ieee2mhz(i, flags);
957 c->ic_ieee = i;
958 c->ic_flags = flags;
959
960 c = &ic->ic_channels[ic->ic_nchans++];
961 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
962
963 c->ic_freq = ieee80211_ieee2mhz(i, flags);
964 c->ic_ieee = i;
965 c->ic_flags = flags;
966 }
967
968 /* set supported channels for 5GHz band */
969
970 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
971 sc->rf_rev == RT2870_EEPROM_RF_2750)
972 {
973 for (i = 36; i <= 64; i += 4)
974 {
975 c = &ic->ic_channels[ic->ic_nchans++];
976 flags = IEEE80211_CHAN_A;
977
978 c->ic_freq = ieee80211_ieee2mhz(i, flags);
979 c->ic_ieee = i;
980 c->ic_flags = flags;
981
982 c = &ic->ic_channels[ic->ic_nchans++];
983 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
984
985 c->ic_freq = ieee80211_ieee2mhz(i, flags);
986 c->ic_ieee = i;
987 c->ic_flags = flags;
988 }
989
990 for (i = 100; i <= 140; i += 4)
991 {
992 c = &ic->ic_channels[ic->ic_nchans++];
993 flags = IEEE80211_CHAN_A;
994
995 c->ic_freq = ieee80211_ieee2mhz(i, flags);
996 c->ic_ieee = i;
997 c->ic_flags = flags;
998
999 c = &ic->ic_channels[ic->ic_nchans++];
1000 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
1001
1002 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1003 c->ic_ieee = i;
1004 c->ic_flags = flags;
1005 }
1006
1007 for (i = 149; i <= 165; i += 4)
1008 {
1009 c = &ic->ic_channels[ic->ic_nchans++];
1010 flags = IEEE80211_CHAN_A;
1011
1012 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1013 c->ic_ieee = i;
1014 c->ic_flags = flags;
1015
1016 c = &ic->ic_channels[ic->ic_nchans++];
1017 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
1018
1019 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1020 c->ic_ieee = i;
1021 c->ic_flags = flags;
1022 }
1023 }
1024 }
1025
1026 /*
1027 * rt2870_init_channels_ht40
1028 */
1029 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
1030 {
1031 struct ifnet *ifp;
1032 struct ieee80211com *ic;
1033 struct ieee80211_channel *c, *cent, *ext;
1034 int i, flags;
1035
1036 ifp = sc->ifp;
1037 ic = ifp->if_l2com;
1038
1039 /* set supported channels for 2GHz band */
1040
1041 for (i = 1; i <= 14; i++)
1042 {
1043 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1044
1045 /* find the center channel */
1046
1047 cent = ieee80211_find_channel_byieee(ic, i,
1048 flags & ~IEEE80211_CHAN_HT);
1049 if (cent == NULL)
1050 {
1051 printf("%s: skip channel %d, could not find center channel\n",
1052 device_get_nameunit(sc->dev), i);
1053 continue;
1054 }
1055
1056 /* find the extension channel */
1057
1058 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1059 flags & ~IEEE80211_CHAN_HT);
1060 if (ext == NULL)
1061 {
1062 printf("%s: skip channel %d, could not find extension channel\n",
1063 device_get_nameunit(sc->dev), i);
1064 continue;
1065 }
1066
1067 c = &ic->ic_channels[ic->ic_nchans++];
1068
1069 *c = *cent;
1070 c->ic_extieee = ext->ic_ieee;
1071 c->ic_flags &= ~IEEE80211_CHAN_HT;
1072 c->ic_flags |= IEEE80211_CHAN_HT40U;
1073
1074 c = &ic->ic_channels[ic->ic_nchans++];
1075
1076 *c = *ext;
1077 c->ic_extieee = cent->ic_ieee;
1078 c->ic_flags &= ~IEEE80211_CHAN_HT;
1079 c->ic_flags |= IEEE80211_CHAN_HT40D;
1080 }
1081
1082 /* set supported channels for 5GHz band */
1083
1084 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1085 sc->rf_rev == RT2870_EEPROM_RF_2750)
1086 {
1087 for (i = 36; i <= 64; 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 = 100; i <= 140; 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 for (i = 149; i <= 165; i += 4)
1170 {
1171 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1172
1173 /* find the center channel */
1174
1175 cent = ieee80211_find_channel_byieee(ic, i,
1176 flags & ~IEEE80211_CHAN_HT);
1177 if (cent == NULL)
1178 {
1179 printf("%s: skip channel %d, could not find center channel\n",
1180 device_get_nameunit(sc->dev), i);
1181 continue;
1182 }
1183
1184 /* find the extension channel */
1185
1186 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1187 flags & ~IEEE80211_CHAN_HT);
1188 if (ext == NULL)
1189 {
1190 printf("%s: skip channel %d, could not find extension channel\n",
1191 device_get_nameunit(sc->dev), i);
1192 continue;
1193 }
1194
1195 c = &ic->ic_channels[ic->ic_nchans++];
1196
1197 *c = *cent;
1198 c->ic_extieee = ext->ic_ieee;
1199 c->ic_flags &= ~IEEE80211_CHAN_HT;
1200 c->ic_flags |= IEEE80211_CHAN_HT40U;
1201
1202 c = &ic->ic_channels[ic->ic_nchans++];
1203
1204 *c = *ext;
1205 c->ic_extieee = cent->ic_ieee;
1206 c->ic_flags &= ~IEEE80211_CHAN_HT;
1207 c->ic_flags |= IEEE80211_CHAN_HT40D;
1208 }
1209 }
1210 }
1211
1212 /*
1213 * rt2870_init_locked
1214 */
1215 static void rt2870_init_locked(void *priv)
1216 {
1217 struct rt2870_softc *sc;
1218 struct ifnet *ifp;
1219 struct ieee80211com *ic;
1220 int ntries, error, i;
1221 uint32_t tmp, stacnt[6];
1222
1223 sc = priv;
1224 ifp = sc->ifp;
1225 ic = ifp->if_l2com;
1226
1227 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1228 "%s: initializing\n",
1229 device_get_nameunit(sc->dev));
1230
1231 RT2870_SOFTC_ASSERT_LOCKED(sc);
1232
1233 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1234 {
1235 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1236 "%s: loading 8051 microcode\n",
1237 device_get_nameunit(sc->dev));
1238
1239 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1240 if (error != 0)
1241 {
1242 printf("%s: could not load 8051 microcode\n",
1243 device_get_nameunit(sc->dev));
1244 goto fail;
1245 }
1246
1247 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1248 "%s: 8051 microcode was successfully loaded\n",
1249 device_get_nameunit(sc->dev));
1250
1251 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1252 }
1253
1254 /* wait while DMA engine is busy */
1255
1256 for (ntries = 0; ntries < 100; ntries++)
1257 {
1258 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1259 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1260 break;
1261
1262 DELAY(1000);
1263 }
1264
1265 if (ntries == 100)
1266 {
1267 printf("%s: timeout waiting for DMA engine\n",
1268 device_get_nameunit(sc->dev));
1269 goto fail;
1270 }
1271
1272 tmp &= 0xff0;
1273 tmp |= RT2870_REG_TX_WB_DDONE;
1274
1275 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1276
1277 /* PBF hardware reset */
1278
1279 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1280
1281 tmp &= ~(1 << 13);
1282
1283 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1284
1285 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1286 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1287
1288 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1289
1290 rt2870_io_mcu_reset(sc);
1291
1292 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1293
1294 /* init Tx power per rate */
1295
1296 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1297 {
1298 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1299 continue;
1300
1301 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1302 sc->txpow_rate_20mhz[i]);
1303 }
1304
1305 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1306 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1307 rt2870_def_mac[i].val);
1308
1309 /* wait while MAC is busy */
1310
1311 for (ntries = 0; ntries < 100; ntries++)
1312 {
1313 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1314 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1315 break;
1316
1317 DELAY(1000);
1318 }
1319
1320 if (ntries == 100)
1321 {
1322 printf("%s: timeout waiting for MAC\n",
1323 device_get_nameunit(sc->dev));
1324 goto fail;
1325 }
1326
1327 /* clear Host to MCU mailbox */
1328
1329 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1330 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1331
1332 DELAY(1000);
1333
1334 error = rt2870_init_bbp(sc);
1335 if (error != 0)
1336 goto fail;
1337
1338 /* set up maximum buffer sizes */
1339
1340 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1341
1342 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1343
1344 if (sc->mac_rev == 0x28720200)
1345 {
1346 /* set max. PSDU length from 16K to 32K bytes */
1347
1348 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1349
1350 tmp &= ~(3 << 12);
1351 tmp |= (2 << 12);
1352
1353 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1354 }
1355
1356 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1357 {
1358 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1359
1360 tmp &= 0xfff;
1361 tmp |= 0x2000;
1362
1363 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1364 }
1365
1366 /* set mac address */
1367
1368 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1369
1370 /* clear statistic registers */
1371
1372 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1373 stacnt, sizeof(stacnt));
1374
1375 /* send LEDs operating mode to microcontroller */
1376
1377 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1378 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1379 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1380 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1381 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1382 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1383
1384 /* write vendor-specific BBP values (from EEPROM) */
1385
1386 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1387 {
1388 if (sc->bbp_eeprom[i].reg == 0x00 ||
1389 sc->bbp_eeprom[i].reg == 0xff)
1390 continue;
1391
1392 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1393 sc->bbp_eeprom[i].val);
1394 }
1395
1396 /* disable non-existing Rx chains */
1397
1398 tmp = rt2870_io_bbp_read(sc, 3);
1399
1400 tmp &= ~((1 << 4) | (1 << 3));
1401
1402 if (sc->nrxpath == 3)
1403 tmp |= (1 << 4);
1404 else if (sc->nrxpath == 2)
1405 tmp |= (1 << 3);
1406
1407 rt2870_io_bbp_write(sc, 3, tmp);
1408
1409 /* disable non-existing Tx chains */
1410
1411 tmp = rt2870_io_bbp_read(sc, 1);
1412
1413 tmp &= ~((1 << 4) | (1 << 3));
1414
1415 if (sc->ntxpath == 2)
1416 tmp |= (1 << 4);
1417
1418 rt2870_io_bbp_write(sc, 1, tmp);
1419
1420 /* set current channel */
1421
1422 rt2870_rf_set_chan(sc, ic->ic_curchan);
1423
1424 /* turn radio LED on */
1425
1426 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1427
1428 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1429 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1430
1431 /* set RTS threshold */
1432
1433 rt2870_asic_update_rtsthreshold(sc);
1434
1435 /* set Tx power */
1436
1437 rt2870_asic_update_txpower(sc);
1438
1439 /* set up protection mode */
1440
1441 sc->tx_ampdu_sessions = 0;
1442
1443 rt2870_asic_updateprot(sc);
1444
1445 /* clear beacon frame space (entries = 8, entry size = 512) */
1446
1447 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1448
1449 if (rt2870_txrx_enable(sc) != 0)
1450 goto fail;
1451
1452 /* clear garbage interrupts */
1453
1454 tmp = rt2870_io_mac_read(sc, 0x1300);
1455
1456 taskqueue_unblock(sc->taskqueue);
1457
1458 /* init Tx and Rx rings */
1459
1460 for(i = 0; i < sc->usb_endpoints - 1; i++)
1461 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1462
1463 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1464
1465 for(i = 0; i < sc->usb_endpoints - 1; i++)
1466 {
1467 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1468 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1469 }
1470
1471 /* start up the receive pipe */
1472
1473 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1474 usbd_transfer_start(sc->usb_xfer[0]);
1475
1476 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1477 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1478
1479 sc->periodic_round = 0;
1480
1481 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1482
1483 return;
1484
1485 fail:
1486
1487 rt2870_stop_locked(sc);
1488 }
1489
1490 /*
1491 * rt2870_init
1492 */
1493 static void rt2870_init(void *priv)
1494 {
1495 struct rt2870_softc *sc;
1496
1497 sc = priv;
1498
1499 RT2870_SOFTC_LOCK(sc);
1500
1501 rt2870_init_locked(sc);
1502
1503 RT2870_SOFTC_UNLOCK(sc);
1504 }
1505
1506 /*
1507 * rt2870_init_bbp
1508 */
1509 static int rt2870_init_bbp(struct rt2870_softc *sc)
1510 {
1511 int ntries, i;
1512 uint8_t tmp;
1513
1514 for (ntries = 0; ntries < 20; ntries++)
1515 {
1516 tmp = rt2870_io_bbp_read(sc, 0);
1517 if (tmp != 0x00 && tmp != 0xff)
1518 break;
1519 }
1520
1521 if (tmp == 0x00 || tmp == 0xff)
1522 {
1523 printf("%s: timeout waiting for BBP to wakeup\n",
1524 device_get_nameunit(sc->dev));
1525 return ETIMEDOUT;
1526 }
1527
1528 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1529 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1530 rt2870_def_bbp[i].val);
1531
1532 if ((sc->mac_rev & 0xffff) != 0x0101)
1533 rt2870_io_bbp_write(sc, 84, 0x19);
1534
1535 if (sc->mac_rev == 0x28600100)
1536 {
1537 rt2870_io_bbp_write(sc, 69, 0x16);
1538 rt2870_io_bbp_write(sc, 73, 0x12);
1539 }
1540
1541 return 0;
1542 }
1543
1544 /*
1545 * rt2870_stop_locked
1546 */
1547 static void rt2870_stop_locked(void *priv)
1548 {
1549 struct rt2870_softc *sc;
1550 struct ifnet *ifp;
1551 struct ieee80211com *ic;
1552 uint32_t tmp;
1553 int i;
1554
1555 sc = priv;
1556 ifp = sc->ifp;
1557 ic = ifp->if_l2com;
1558
1559 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1560 "%s: stopping\n",
1561 device_get_nameunit(sc->dev));
1562
1563 RT2870_SOFTC_ASSERT_LOCKED(sc);
1564
1565 sc->tx_timer = 0;
1566
1567 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1568 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1569
1570 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1571
1572 callout_stop(&sc->periodic_ch);
1573 callout_stop(&sc->tx_watchdog_ch);
1574
1575 RT2870_SOFTC_UNLOCK(sc);
1576
1577 taskqueue_block(sc->taskqueue);
1578
1579 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1580 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1581 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1582 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1583
1584 RT2870_SOFTC_LOCK(sc);
1585
1586 /* clear key tables */
1587
1588 rt2870_asic_clear_keytables(sc);
1589
1590 /* disable Tx/Rx */
1591
1592 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1593
1594 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1595
1596 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1597
1598 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1599
1600 /* reset adapter */
1601
1602 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1603 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1604 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1605
1606 /* abort any pending transfers */
1607
1608 for (i = 0; i < sc->usb_endpoints; i++)
1609 usbd_transfer_stop(sc->usb_xfer[i]);
1610 }
1611
1612 /*
1613 * rt2870_stop
1614 */
1615 static void rt2870_stop(void *priv)
1616 {
1617 struct rt2870_softc *sc;
1618
1619 sc = priv;
1620
1621 RT2870_SOFTC_LOCK(sc);
1622
1623 rt2870_stop_locked(sc);
1624
1625 RT2870_SOFTC_UNLOCK(sc);
1626 }
1627
1628 /*
1629 * rt2870_start
1630 */
1631 static void rt2870_start(struct ifnet *ifp)
1632 {
1633 struct rt2870_softc *sc;
1634 struct ieee80211_node *ni;
1635 struct mbuf *m;
1636 int qid;
1637
1638 sc = ifp->if_softc;
1639
1640 RT2870_SOFTC_LOCK(sc);
1641
1642 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1643 {
1644 RT2870_SOFTC_UNLOCK(sc);
1645 return;
1646 }
1647
1648 for (;;)
1649 {
1650 IF_POLL(&ifp->if_snd, m);
1651 if (m == NULL)
1652 break;
1653
1654 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1655
1656 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1657
1658 qid = M_WME_GETAC(m);
1659
1660 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1661 {
1662 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1663 "%s: if_start: Tx ring with qid=%d is full\n",
1664 device_get_nameunit(sc->dev), qid);
1665
1666 m_freem(m);
1667 ieee80211_free_node(ni);
1668
1669 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1670 ifp->if_oerrors++;
1671
1672 sc->tx_data_queue_full[qid]++;
1673
1674 break;
1675 }
1676
1677 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1678 {
1679 ieee80211_free_node(ni);
1680 ifp->if_oerrors++;
1681 break;
1682 }
1683
1684 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1685
1686 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1687 }
1688
1689 RT2870_SOFTC_UNLOCK(sc);
1690 }
1691
1692 /*
1693 * rt2870_ioctl
1694 */
1695 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1696 {
1697 struct rt2870_softc *sc;
1698 struct ieee80211com *ic;
1699 struct ifreq *ifr;
1700 int error, startall;
1701
1702 sc = ifp->if_softc;
1703 ic = ifp->if_l2com;
1704 ifr = (struct ifreq *) data;
1705
1706 error = 0;
1707
1708 switch (cmd)
1709 {
1710 case SIOCSIFFLAGS:
1711 startall = 0;
1712
1713 RT2870_SOFTC_LOCK(sc);
1714
1715 if (ifp->if_flags & IFF_UP)
1716 {
1717 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1718 {
1719 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1720 rt2870_asic_update_promisc(sc);
1721 }
1722 else
1723 {
1724 rt2870_init_locked(sc);
1725 startall = 1;
1726 }
1727 }
1728 else
1729 {
1730 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1731 rt2870_stop_locked(sc);
1732 }
1733
1734 sc->if_flags = ifp->if_flags;
1735
1736 RT2870_SOFTC_UNLOCK(sc);
1737
1738 if (startall)
1739 ieee80211_start_all(ic);
1740 break;
1741
1742 case SIOCGIFMEDIA:
1743 case SIOCSIFMEDIA:
1744 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1745 break;
1746
1747 case SIOCGIFADDR:
1748 error = ether_ioctl(ifp, cmd, data);
1749 break;
1750
1751 default:
1752 error = EINVAL;
1753 break;
1754 }
1755
1756 return error;
1757 }
1758
1759 /*
1760 * rt2870_vap_create
1761 */
1762 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1763 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1764 const uint8_t bssid[IEEE80211_ADDR_LEN],
1765 const uint8_t mac[IEEE80211_ADDR_LEN])
1766 {
1767 struct rt2870_softc *sc;
1768 struct ifnet *ifp;
1769 struct rt2870_softc_vap *rvap;
1770 struct ieee80211vap *vap;
1771
1772 ifp = ic->ic_ifp;
1773 sc = ifp->if_softc;
1774
1775 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1776 "%s: VAP create: opmode=%s\n",
1777 device_get_nameunit(sc->dev),
1778 ieee80211_opmode_name[opmode]);
1779
1780 switch (opmode)
1781 {
1782 case IEEE80211_M_IBSS:
1783 case IEEE80211_M_STA:
1784 case IEEE80211_M_AHDEMO:
1785 case IEEE80211_M_HOSTAP:
1786 case IEEE80211_M_MBSS:
1787 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1788 {
1789 if_printf(ifp, "only 1 VAP supported\n");
1790 return NULL;
1791 }
1792
1793 if (opmode == IEEE80211_M_STA)
1794 flags |= IEEE80211_CLONE_NOBEACONS;
1795 break;
1796
1797 case IEEE80211_M_WDS:
1798 if (sc->napvaps == 0)
1799 {
1800 if_printf(ifp, "WDS only supported in AP mode\n");
1801 return NULL;
1802 }
1803 break;
1804
1805 case IEEE80211_M_MONITOR:
1806 break;
1807
1808 default:
1809 if_printf(ifp, "unknown opmode %d\n", opmode);
1810 return NULL;
1811 }
1812
1813 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1814 M_80211_VAP, M_NOWAIT | M_ZERO);
1815 if (rvap == NULL)
1816 return NULL;
1817
1818 vap = &rvap->vap;
1819
1820 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1821
1822 rvap->newstate = vap->iv_newstate;
1823 vap->iv_newstate = rt2870_vap_newstate;
1824
1825 vap->iv_reset = rt2870_vap_reset;
1826 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1827 vap->iv_key_update_end = rt2870_vap_key_update_end;
1828 vap->iv_key_set = rt2870_vap_key_set;
1829 vap->iv_key_delete = rt2870_vap_key_delete;
1830 vap->iv_update_beacon = rt2870_vap_update_beacon;
1831
1832 rt2870_amrr_init(&rvap->amrr, vap,
1833 sc->ntxpath,
1834 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1835 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1836 500);
1837
1838 vap->iv_max_aid = RT2870_SOFTC_STAID_COUNT;
1839
1840 /* override default Rx A-MPDU factor */
1841
1842 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1843 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1844 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1845
1846 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1847
1848 switch (vap->iv_opmode)
1849 {
1850 case IEEE80211_M_HOSTAP:
1851 case IEEE80211_M_MBSS:
1852 case IEEE80211_M_AHDEMO:
1853 sc->napvaps++;
1854 break;
1855
1856 case IEEE80211_M_IBSS:
1857 sc->nadhocvaps++;
1858 break;
1859
1860 case IEEE80211_M_STA:
1861 sc->nstavaps++;
1862 break;
1863
1864 case IEEE80211_M_WDS:
1865 sc->nwdsvaps++;
1866 break;
1867
1868 default:
1869 break;
1870 }
1871
1872 sc->nvaps++;
1873
1874 if (sc->napvaps > 0)
1875 ic->ic_opmode = IEEE80211_M_HOSTAP;
1876 else if (sc->nadhocvaps > 0)
1877 ic->ic_opmode = IEEE80211_M_IBSS;
1878 else if (sc->nstavaps > 0)
1879 ic->ic_opmode = IEEE80211_M_STA;
1880 else
1881 ic->ic_opmode = opmode;
1882
1883 return vap;
1884 }
1885
1886 /*
1887 * rt2870_vap_delete
1888 */
1889 static void rt2870_vap_delete(struct ieee80211vap *vap)
1890 {
1891 struct rt2870_softc *sc;
1892 struct ieee80211com *ic;
1893 struct ifnet *ifp;
1894 struct rt2870_softc_vap *rvap;
1895 enum ieee80211_opmode opmode;
1896
1897 ic = vap->iv_ic;
1898 ifp = ic->ic_ifp;
1899 sc = ifp->if_softc;
1900 rvap = (struct rt2870_softc_vap *) vap;
1901 opmode = vap->iv_opmode;
1902
1903 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1904 "%s: VAP delete: opmode=%s\n",
1905 device_get_nameunit(sc->dev),
1906 ieee80211_opmode_name[opmode]);
1907
1908 rt2870_amrr_cleanup(&rvap->amrr);
1909
1910 ieee80211_vap_detach(vap);
1911
1912 if (rvap->beacon_mbuf != NULL)
1913 {
1914 m_free(rvap->beacon_mbuf);
1915 rvap->beacon_mbuf = NULL;
1916 }
1917
1918 switch (opmode)
1919 {
1920 case IEEE80211_M_HOSTAP:
1921 case IEEE80211_M_MBSS:
1922 case IEEE80211_M_AHDEMO:
1923 sc->napvaps--;
1924 break;
1925
1926 case IEEE80211_M_IBSS:
1927 sc->nadhocvaps--;
1928 break;
1929
1930 case IEEE80211_M_STA:
1931 sc->nstavaps--;
1932 break;
1933
1934 case IEEE80211_M_WDS:
1935 sc->nwdsvaps--;
1936 break;
1937
1938 default:
1939 break;
1940 }
1941
1942 sc->nvaps--;
1943
1944 if (sc->napvaps > 0)
1945 ic->ic_opmode = IEEE80211_M_HOSTAP;
1946 else if (sc->nadhocvaps > 0)
1947 ic->ic_opmode = IEEE80211_M_IBSS;
1948 else if (sc->nstavaps > 0)
1949 ic->ic_opmode = IEEE80211_M_STA;
1950
1951 free(rvap, M_80211_VAP);
1952 }
1953
1954 /*
1955 * rt2870_reset_vap
1956 */
1957 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1958 {
1959 struct rt2870_softc *sc;
1960 struct ieee80211com *ic;
1961 struct ifnet *ifp;
1962 struct rt2870_softc_vap *rvap;
1963 int error;
1964
1965 ic = vap->iv_ic;
1966 ifp = ic->ic_ifp;
1967 sc = ifp->if_softc;
1968 rvap = (struct rt2870_softc_vap *) vap;
1969
1970 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1971 "%s: VAP reset: cmd=%lu\n",
1972 device_get_nameunit(sc->dev), cmd);
1973
1974 error = 0;
1975
1976 RT2870_SOFTC_LOCK(sc);
1977
1978 switch (cmd)
1979 {
1980 case IEEE80211_IOC_RTSTHRESHOLD:
1981 case IEEE80211_IOC_AMSDU:
1982 rt2870_asic_update_rtsthreshold(sc);
1983 break;
1984
1985 case IEEE80211_IOC_PROTMODE:
1986 case IEEE80211_IOC_HTPROTMODE:
1987 rt2870_asic_updateprot(sc);
1988 break;
1989
1990 case IEEE80211_IOC_TXPOWER:
1991 rt2870_asic_update_txpower(sc);
1992 break;
1993
1994 case IEEE80211_IOC_BURST:
1995 rt2870_asic_updateslot(sc);
1996 break;
1997
1998 case IEEE80211_IOC_SHORTGI:
1999 case IEEE80211_IOC_AMPDU_DENSITY:
2000 case IEEE80211_IOC_SMPS:
2001 break;
2002
2003 default:
2004 error = ENETRESET;
2005 break;
2006 }
2007
2008 RT2870_SOFTC_UNLOCK(sc);
2009
2010 return error;
2011 }
2012
2013 /*
2014 * rt2870_vap_newstate
2015 */
2016 static int rt2870_vap_newstate(struct ieee80211vap *vap,
2017 enum ieee80211_state nstate, int arg)
2018 {
2019 struct rt2870_softc *sc;
2020 struct ieee80211com *ic;
2021 struct ifnet *ifp;
2022 struct rt2870_softc_vap *rvap;
2023 struct ieee80211_node *ni;
2024 int error;
2025
2026 ic = vap->iv_ic;
2027 ifp = ic->ic_ifp;
2028 sc = ifp->if_softc;
2029 rvap = (struct rt2870_softc_vap *) vap;
2030
2031 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2032 "%s: VAP newstate: %s -> %s\n",
2033 device_get_nameunit(sc->dev),
2034 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
2035
2036 error = rvap->newstate(vap, nstate, arg);
2037 if (error != 0)
2038 return error;
2039
2040 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2041 return error;
2042
2043 IEEE80211_UNLOCK(ic);
2044
2045 RT2870_SOFTC_LOCK(sc);
2046
2047 /* turn link LED off */
2048
2049 if (nstate != IEEE80211_S_RUN)
2050 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2051
2052 switch (nstate)
2053 {
2054 case IEEE80211_S_INIT:
2055 rt2870_asic_disable_tsf_sync(sc);
2056 break;
2057
2058 case IEEE80211_S_RUN:
2059 ni = vap->iv_bss;
2060
2061 rt2870_rf_set_chan(sc, ni->ni_chan);
2062
2063 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2064 {
2065 rt2870_asic_enable_mrr(sc);
2066 rt2870_asic_set_txpreamble(sc);
2067 rt2870_asic_set_basicrates(sc);
2068 rt2870_asic_update_txpower(sc);
2069 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2070 }
2071
2072 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2073 vap->iv_opmode == IEEE80211_M_IBSS ||
2074 vap->iv_opmode == IEEE80211_M_MBSS)
2075 {
2076 error = rt2870_beacon_alloc(sc, vap);
2077 if (error != 0)
2078 break;
2079
2080 rt2870_asic_update_beacon(sc, vap);
2081 }
2082
2083 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2084 rt2870_asic_enable_tsf_sync(sc);
2085
2086 /* turn link LED on */
2087
2088 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2089 {
2090 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2091 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2092 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2093 }
2094 break;
2095
2096 default:
2097 break;
2098 }
2099
2100 RT2870_SOFTC_UNLOCK(sc);
2101
2102 IEEE80211_LOCK(ic);
2103
2104 return error;
2105 }
2106
2107 /*
2108 * rt2870_vap_key_update_begin
2109 */
2110 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
2111 {
2112 struct rt2870_softc *sc;
2113 struct ieee80211com *ic;
2114 struct ifnet *ifp;
2115
2116 ic = vap->iv_ic;
2117 ifp = ic->ic_ifp;
2118 sc = ifp->if_softc;
2119
2120 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2121 "%s: VAP key update begin\n",
2122 device_get_nameunit(sc->dev));
2123
2124 taskqueue_block(sc->taskqueue);
2125
2126 IF_LOCK(&ifp->if_snd);
2127 }
2128
2129 /*
2130 * rt2870_vap_key_update_end
2131 */
2132 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
2133 {
2134 struct rt2870_softc *sc;
2135 struct ieee80211com *ic;
2136 struct ifnet *ifp;
2137
2138 ic = vap->iv_ic;
2139 ifp = ic->ic_ifp;
2140 sc = ifp->if_softc;
2141
2142 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2143 "%s: VAP key update end\n",
2144 device_get_nameunit(sc->dev));
2145
2146 IF_UNLOCK(&ifp->if_snd);
2147
2148 taskqueue_unblock(sc->taskqueue);
2149 }
2150
2151 /*
2152 * rt2870_vap_key_set
2153 */
2154 static int rt2870_vap_key_set(struct ieee80211vap *vap,
2155 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2156 {
2157 struct rt2870_softc *sc;
2158 struct ieee80211com *ic;
2159 struct ifnet *ifp;
2160 struct ieee80211_node *ni;
2161 struct rt2870_softc_node *rni;
2162 struct rt2870_cmd_argv_keyset cmd_argv;
2163
2164 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2165 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2166 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2167 return 0;
2168
2169 ic = vap->iv_ic;
2170 ifp = ic->ic_ifp;
2171 sc = ifp->if_softc;
2172
2173 cmd_argv.opmode = vap->iv_opmode;
2174
2175 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2176
2177 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2178 {
2179 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2180 rni = (struct rt2870_softc_node *) ni;
2181
2182 cmd_argv.staid = rni->staid;
2183
2184 ieee80211_free_node(ni);
2185 }
2186
2187 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2188 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2189
2190 return 1;
2191 }
2192
2193 /*
2194 * rt2870_vap_key_delete
2195 */
2196 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2197 const struct ieee80211_key *k)
2198 {
2199 struct rt2870_softc *sc;
2200 struct ieee80211com *ic;
2201 struct ifnet *ifp;
2202 struct rt2870_cmd_argv_keydelete cmd_argv;
2203
2204 ic = vap->iv_ic;
2205 ifp = ic->ic_ifp;
2206 sc = ifp->if_softc;
2207
2208 cmd_argv.opmode = vap->iv_opmode;
2209
2210 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2211
2212 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2213 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2214
2215 return 1;
2216 }
2217
2218 /*
2219 * rt2870_vap_update_beacon
2220 */
2221 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2222 {
2223 struct rt2870_softc *sc;
2224 struct ieee80211com *ic;
2225 struct ifnet *ifp;
2226 struct rt2870_softc_vap *rvap;
2227 struct mbuf *m;
2228 struct ieee80211_beacon_offsets *bo;
2229
2230 ic = vap->iv_ic;
2231 ifp = ic->ic_ifp;
2232 sc = ifp->if_softc;
2233 rvap = (struct rt2870_softc_vap *) vap;
2234 m = rvap->beacon_mbuf;
2235 bo = &rvap->beacon_offsets;
2236
2237 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2238 "%s: VAP update beacon: what=%d\n",
2239 device_get_nameunit(sc->dev), what);
2240
2241 setbit(bo->bo_flags, what);
2242
2243 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2244
2245 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2246 }
2247
2248 /*
2249 * rt2870_node_alloc
2250 */
2251 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2252 const uint8_t mac[IEEE80211_ADDR_LEN])
2253 {
2254 return malloc(sizeof(struct rt2870_softc_node),
2255 M_80211_NODE, M_NOWAIT | M_ZERO);
2256 }
2257
2258 /*
2259 * rt2870_node_cleanup
2260 */
2261 static void rt2870_node_cleanup(struct ieee80211_node *ni)
2262 {
2263 struct rt2870_softc *sc;
2264 struct ieee80211com *ic;
2265 struct ifnet *ifp;
2266 struct rt2870_softc_node *rni;
2267 struct rt2870_cmd_argv_nodecleanup cmd_argv;
2268
2269 ic = ni->ni_ic;
2270 ifp = ic->ic_ifp;
2271 sc = ifp->if_softc;
2272 rni = (struct rt2870_softc_node *) ni;
2273
2274 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2275 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2276 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2277 ni->ni_associd, rni->staid);
2278
2279 if (rni->staid != 0)
2280 {
2281 cmd_argv.staid = rni->staid;
2282
2283 rni->staid = 0;
2284
2285 rt2870_do_async(sc, rt2870_node_cleanup_cb,
2286 &cmd_argv, sizeof(struct rt2870_cmd_argv_nodecleanup));
2287 }
2288
2289 sc->node_cleanup(ni);
2290 }
2291
2292 /*
2293 * rt2870_node_getmimoinfo
2294 */
2295 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2296 struct ieee80211_mimo_info *mi)
2297 {
2298 const struct rt2870_softc_node *rni;
2299 int i;
2300
2301 rni = (const struct rt2870_softc_node *) ni;
2302
2303 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2304 {
2305 mi->rssi[i] = rni->last_rssi_dbm[i];
2306 mi->noise[i] = RT2870_NOISE_FLOOR;
2307 }
2308 }
2309
2310 /*
2311 * rt2870_setregdomain
2312 */
2313 static int rt2870_setregdomain(struct ieee80211com *ic,
2314 struct ieee80211_regdomain *reg,
2315 int nchans, struct ieee80211_channel chans[])
2316 {
2317 struct rt2870_softc *sc;
2318 struct ifnet *ifp;
2319
2320 ifp = ic->ic_ifp;
2321 sc = ifp->if_softc;
2322
2323 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2324 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2325 device_get_nameunit(sc->dev),
2326 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2327
2328 return 0;
2329 }
2330
2331 /*
2332 * rt2870_getradiocaps
2333 */
2334 static void rt2870_getradiocaps(struct ieee80211com *ic,
2335 int maxchans, int *nchans, struct ieee80211_channel chans[])
2336 {
2337 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2338
2339 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2340 }
2341
2342 /*
2343 * rt2870_scan_start
2344 */
2345 static void rt2870_scan_start(struct ieee80211com *ic)
2346 {
2347 struct rt2870_softc *sc;
2348 struct ifnet *ifp;
2349
2350 ifp = ic->ic_ifp;
2351 sc = ifp->if_softc;
2352
2353 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2354 return;
2355
2356 RT2870_SOFTC_LOCK(sc);
2357
2358 rt2870_asic_disable_tsf_sync(sc);
2359
2360 RT2870_SOFTC_UNLOCK(sc);
2361 }
2362
2363 /*
2364 * rt2870_scan_end
2365 */
2366 static void rt2870_scan_end(struct ieee80211com *ic)
2367 {
2368 struct rt2870_softc *sc;
2369 struct ifnet *ifp;
2370
2371 ifp = ic->ic_ifp;
2372 sc = ifp->if_softc;
2373
2374 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2375 return;
2376
2377 RT2870_SOFTC_LOCK(sc);
2378
2379 rt2870_asic_enable_tsf_sync(sc);
2380
2381 RT2870_SOFTC_UNLOCK(sc);
2382 }
2383
2384 /*
2385 * rt2870_set_channel
2386 */
2387 static void rt2870_set_channel(struct ieee80211com *ic)
2388 {
2389 struct rt2870_softc *sc;
2390 struct ifnet *ifp;
2391
2392 ifp = ic->ic_ifp;
2393 sc = ifp->if_softc;
2394
2395 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2396 return;
2397
2398 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2399 "%s: set channel: channel=%u, HT%s%s\n",
2400 device_get_nameunit(sc->dev),
2401 ieee80211_chan2ieee(ic, ic->ic_curchan),
2402 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2403 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2404 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2405 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2406
2407 RT2870_SOFTC_LOCK(sc);
2408
2409 rt2870_rf_set_chan(sc, ic->ic_curchan);
2410
2411 RT2870_SOFTC_UNLOCK(sc);
2412 }
2413
2414 /*
2415 * rt2870_newassoc
2416 */
2417 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2418 {
2419 struct rt2870_softc *sc;
2420 struct ieee80211com *ic;
2421 struct ifnet *ifp;
2422 struct ieee80211vap *vap;
2423 struct rt2870_softc_vap *rvap;
2424 struct rt2870_softc_node *rni;
2425 uint16_t aid;
2426 uint8_t wcid;
2427 uint32_t tmp;
2428
2429 vap = ni->ni_vap;
2430 ic = vap->iv_ic;
2431 ifp = ic->ic_ifp;
2432 sc = ifp->if_softc;
2433 rvap = (struct rt2870_softc_vap *) vap;
2434 rni = (struct rt2870_softc_node *) ni;
2435
2436 if (isnew)
2437 {
2438 aid = IEEE80211_AID(ni->ni_associd);
2439 rni->staid = rt2870_staid_alloc(sc, aid);
2440 wcid = rni->staid;
2441
2442 RT2870_SOFTC_LOCK(sc);
2443
2444 tmp = (ni->ni_macaddr[3] << 24) |
2445 (ni->ni_macaddr[2] << 16) |
2446 (ni->ni_macaddr[1] << 8) |
2447 ni->ni_macaddr[0];
2448
2449 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), tmp);
2450
2451 tmp = (ni->ni_macaddr[5] << 8) |
2452 ni->ni_macaddr[4];
2453
2454 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2455
2456 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2457
2458 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2459 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2460 device_get_nameunit(sc->dev),
2461 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2462 ni->ni_associd, ni->ni_txrate,
2463 (ni->ni_flags & IEEE80211_NODE_HT) ?
2464 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2465 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2466
2467 rt2870_asic_updateprot(sc);
2468 rt2870_asic_updateslot(sc);
2469 rt2870_asic_set_txpreamble(sc);
2470
2471 RT2870_SOFTC_UNLOCK(sc);
2472 }
2473
2474 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2475 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2476 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2477 ni->ni_associd, rni->staid,
2478 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2479 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2480 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2481 }
2482
2483 /*
2484 * rt2870_updateslot
2485 */
2486 static void rt2870_updateslot(struct ifnet *ifp)
2487 {
2488 struct rt2870_softc *sc;
2489
2490 sc = ifp->if_softc;
2491
2492 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2493 }
2494
2495 /*
2496 * rt2870_update_promisc
2497 */
2498 static void rt2870_update_promisc(struct ifnet *ifp)
2499 {
2500 struct rt2870_softc *sc;
2501
2502 sc = ifp->if_softc;
2503
2504 RT2870_SOFTC_LOCK(sc);
2505
2506 rt2870_asic_update_promisc(sc);
2507
2508 RT2870_SOFTC_UNLOCK(sc);
2509 }
2510
2511 /*
2512 * rt2870_update_mcast
2513 */
2514 static void rt2870_update_mcast(struct ifnet *ifp)
2515 {
2516 struct rt2870_softc *sc;
2517
2518 sc = ifp->if_softc;
2519 }
2520
2521 /*
2522 * rt2870_wme_update
2523 */
2524 static int rt2870_wme_update(struct ieee80211com *ic)
2525 {
2526 struct rt2870_softc *sc;
2527 struct ifnet *ifp;
2528
2529 ifp = ic->ic_ifp;
2530 sc = ifp->if_softc;
2531
2532 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2533
2534 return 0;
2535 }
2536
2537 /*
2538 * rt2870_raw_xmit
2539 */
2540 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2541 const struct ieee80211_bpf_params *params)
2542 {
2543 struct rt2870_softc *sc;
2544 struct ieee80211com *ic;
2545 struct ifnet *ifp;
2546
2547 ic = ni->ni_ic;
2548 ifp = ic->ic_ifp;
2549 sc = ifp->if_softc;
2550
2551 RT2870_SOFTC_LOCK(sc);
2552
2553 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2554 {
2555 RT2870_SOFTC_UNLOCK(sc);
2556
2557 m_freem(m);
2558 ieee80211_free_node(ni);
2559
2560 return ENETDOWN;
2561 }
2562
2563 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2564 {
2565 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2566 "%s: raw xmit: Tx ring with qid=%d is full\n",
2567 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2568
2569 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2570
2571 RT2870_SOFTC_UNLOCK(sc);
2572
2573 m_freem(m);
2574 ieee80211_free_node(ni);
2575
2576 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2577
2578 return ENOBUFS;
2579 }
2580
2581 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2582 {
2583 ifp->if_oerrors++;
2584
2585 RT2870_SOFTC_UNLOCK(sc);
2586
2587 ieee80211_free_node(ni);
2588
2589 return EIO;
2590 }
2591
2592 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2593
2594 RT2870_SOFTC_UNLOCK(sc);
2595
2596 return 0;
2597 }
2598
2599 /*
2600 * rt2870_recv_action
2601 */
2602 static int rt2870_recv_action(struct ieee80211_node *ni,
2603 const struct ieee80211_frame *wh,
2604 const uint8_t *frm, const uint8_t *efrm)
2605 {
2606 struct rt2870_softc *sc;
2607 struct ieee80211com *ic;
2608 struct ifnet *ifp;
2609 struct rt2870_softc_node *rni;
2610 const struct ieee80211_action *ia;
2611 uint16_t baparamset;
2612 uint8_t wcid;
2613 int tid;
2614
2615 ic = ni->ni_ic;
2616 ifp = ic->ic_ifp;
2617 sc = ifp->if_softc;
2618 rni = (struct rt2870_softc_node *) ni;
2619
2620 ia = (const struct ieee80211_action *) frm;
2621
2622 if (ia->ia_category == IEEE80211_ACTION_CAT_BA)
2623 {
2624 switch (ia->ia_action)
2625 {
2626 /* IEEE80211_ACTION_BA_DELBA */
2627 case IEEE80211_ACTION_BA_DELBA:
2628 baparamset = LE_READ_2(frm + 2);
2629 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2630 wcid = rni->staid;
2631
2632 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2633 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2634 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2635
2636 if (rni->staid != 0)
2637 {
2638 RT2870_SOFTC_LOCK(sc);
2639
2640 rt2870_asic_del_ba_session(sc, wcid, tid);
2641
2642 RT2870_SOFTC_UNLOCK(sc);
2643 }
2644 break;
2645 }
2646 }
2647
2648 return sc->recv_action(ni, wh, frm, efrm);
2649 }
2650
2651 /*
2652 * rt2870_send_action
2653 */
2654 static int rt2870_send_action(struct ieee80211_node *ni,
2655 int cat, int act, void *sa)
2656 {
2657 struct rt2870_softc *sc;
2658 struct ieee80211com *ic;
2659 struct ifnet *ifp;
2660 struct rt2870_softc_node *rni;
2661 uint16_t *args, status, baparamset;
2662 uint8_t wcid;
2663 int tid, bufsize;
2664
2665 ic = ni->ni_ic;
2666 ifp = ic->ic_ifp;
2667 sc = ifp->if_softc;
2668 rni = (struct rt2870_softc_node *) ni;
2669
2670 wcid = rni->staid;
2671 args = sa;
2672
2673 if (cat == IEEE80211_ACTION_CAT_BA)
2674 {
2675 switch (act)
2676 {
2677 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2678 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2679 status = args[1];
2680 baparamset = args[2];
2681 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2682 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2683
2684 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2685 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2686 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2687
2688 if (status == IEEE80211_STATUS_SUCCESS)
2689 {
2690 RT2870_SOFTC_LOCK(sc);
2691
2692 rt2870_asic_add_ba_session(sc, wcid, tid);
2693
2694 RT2870_SOFTC_UNLOCK(sc);
2695 }
2696 break;
2697
2698 /* IEEE80211_ACTION_BA_DELBA */
2699 case IEEE80211_ACTION_BA_DELBA:
2700 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2701 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2702
2703 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2704 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2705 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2706
2707 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2708 {
2709 RT2870_SOFTC_LOCK(sc);
2710
2711 rt2870_asic_del_ba_session(sc, wcid, tid);
2712
2713 RT2870_SOFTC_UNLOCK(sc);
2714 }
2715 break;
2716 }
2717 }
2718
2719 return sc->send_action(ni, cat, act, sa);
2720
2721 }
2722
2723 /*
2724 * rt2870_addba_response
2725 */
2726 static int rt2870_addba_response(struct ieee80211_node *ni,
2727 struct ieee80211_tx_ampdu *tap,
2728 int status, int baparamset, int batimeout)
2729 {
2730 struct rt2870_softc *sc;
2731 struct ieee80211com *ic;
2732 struct ifnet *ifp;
2733 struct rt2870_softc_node *rni;
2734 ieee80211_seq seqno;
2735 int ret, tid, old_bufsize, new_bufsize;
2736
2737 ic = ni->ni_ic;
2738 ifp = ic->ic_ifp;
2739 sc = ifp->if_softc;
2740 rni = (struct rt2870_softc_node *) ni;
2741
2742 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2743 old_bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2744 new_bufsize = old_bufsize;
2745
2746 if (status == IEEE80211_STATUS_SUCCESS)
2747 {
2748 if (sc->mac_rev >= 0x28830300)
2749 {
2750 if (sc->mac_rev >= 0x30700200)
2751 new_bufsize = 13;
2752 else
2753 new_bufsize = 31;
2754 }
2755 else if (sc->mac_rev >= 0x28720200)
2756 {
2757 new_bufsize = 13;
2758 }
2759 else
2760 {
2761 new_bufsize = 7;
2762 }
2763
2764 if (old_bufsize > new_bufsize)
2765 {
2766 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2767 baparamset = RT2870_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
2768 }
2769
2770 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2771 {
2772 sc->tx_ampdu_sessions++;
2773
2774 if (sc->tx_ampdu_sessions == 1)
2775 {
2776 RT2870_SOFTC_LOCK(sc);
2777
2778 rt2870_asic_updateprot(sc);
2779
2780 RT2870_SOFTC_UNLOCK(sc);
2781 }
2782 }
2783 }
2784
2785 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2786 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
2787 "old bufsize=%d, new bufsize=%d\n",
2788 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
2789 old_bufsize, new_bufsize);
2790
2791 ret = sc->addba_response(ni, tap, status, baparamset, batimeout);
2792
2793 if (status == IEEE80211_STATUS_SUCCESS)
2794 {
2795 seqno = ni->ni_txseqs[tid];
2796
2797 rt2870_send_bar(ni, tap, seqno);
2798 }
2799
2800 return ret;
2801 }
2802
2803 /*
2804 * rt2870_addba_stop
2805 */
2806 static void rt2870_addba_stop(struct ieee80211_node *ni,
2807 struct ieee80211_tx_ampdu *tap)
2808 {
2809 struct rt2870_softc *sc;
2810 struct ieee80211com *ic;
2811 struct ifnet *ifp;
2812 struct rt2870_softc_node *rni;
2813 int tid;
2814
2815 ic = ni->ni_ic;
2816 ifp = ic->ic_ifp;
2817 sc = ifp->if_softc;
2818 rni = (struct rt2870_softc_node *) ni;
2819
2820 tid = WME_AC_TO_TID(tap->txa_ac);
2821
2822 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2823 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2824 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2825
2826 if (tap->txa_flags & IEEE80211_AGGR_RUNNING)
2827 {
2828 if (sc->tx_ampdu_sessions > 0)
2829 {
2830 sc->tx_ampdu_sessions--;
2831
2832 if (sc->tx_ampdu_sessions == 0)
2833 {
2834 RT2870_SOFTC_LOCK(sc);
2835
2836 rt2870_asic_updateprot(sc);
2837
2838 RT2870_SOFTC_UNLOCK(sc);
2839 }
2840 }
2841 else
2842 {
2843 printf("%s: number of A-MPDU Tx sessions cannot be negative\n",
2844 device_get_nameunit(sc->dev));
2845 }
2846 }
2847
2848 sc->addba_stop(ni, tap);
2849 }
2850
2851 /*
2852 * rt2870_ampdu_rx_start
2853 */
2854 static int rt2870_ampdu_rx_start(struct ieee80211_node *ni,
2855 struct ieee80211_rx_ampdu *rap,
2856 int baparamset, int batimeout, int baseqctl)
2857 {
2858 struct rt2870_softc *sc;
2859 struct ieee80211com *ic;
2860 struct ifnet *ifp;
2861 struct rt2870_softc_node *rni;
2862 int tid;
2863
2864 ic = ni->ni_ic;
2865 ifp = ic->ic_ifp;
2866 sc = ifp->if_softc;
2867 rni = (struct rt2870_softc_node *) ni;
2868
2869 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2870
2871 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2872 "%s: starting A-MPDU Rx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2873 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2874
2875 if (!(rap->rxa_flags & IEEE80211_AGGR_RUNNING))
2876 sc->rx_ampdu_sessions++;
2877
2878 return sc->ampdu_rx_start(ni, rap, baparamset, batimeout, baseqctl);
2879 }
2880
2881 /*
2882 * rt2870_ampdu_rx_stop
2883 */
2884 static void rt2870_ampdu_rx_stop(struct ieee80211_node *ni,
2885 struct ieee80211_rx_ampdu *rap)
2886 {
2887 struct rt2870_softc *sc;
2888 struct ieee80211com *ic;
2889 struct ifnet *ifp;
2890 struct rt2870_softc_node *rni;
2891
2892 ic = ni->ni_ic;
2893 ifp = ic->ic_ifp;
2894 sc = ifp->if_softc;
2895 rni = (struct rt2870_softc_node *) ni;
2896
2897 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2898 "%s: stopping A-MPDU Rx: associd=0x%04x, staid=0x%02x\n",
2899 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid);
2900
2901 if (rap->rxa_flags & IEEE80211_AGGR_RUNNING)
2902 {
2903 if (sc->rx_ampdu_sessions > 0)
2904 sc->rx_ampdu_sessions--;
2905 else
2906 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2907 device_get_nameunit(sc->dev));
2908 }
2909
2910 sc->ampdu_rx_stop(ni, rap);
2911 }
2912
2913 /*
2914 * rt2870_send_bar
2915 */
2916 static int rt2870_send_bar(struct ieee80211_node *ni,
2917 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
2918 {
2919 struct rt2870_softc *sc;
2920 struct ieee80211com *ic;
2921 struct ifnet *ifp;
2922 struct ieee80211vap *vap;
2923 struct ieee80211_frame_bar *bar;
2924 struct rt2870_softc_node *rni;
2925 struct mbuf *m;
2926 uint16_t barctl, barseqctl;
2927 uint8_t *frm;
2928 int ret, tid;
2929
2930 ic = ni->ni_ic;
2931 ifp = ic->ic_ifp;
2932 sc = ifp->if_softc;
2933 vap = ni->ni_vap;
2934 rni = (struct rt2870_softc_node *) ni;
2935
2936 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2937 return EINVAL;
2938
2939 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
2940 if (m == NULL)
2941 return ENOMEM;
2942
2943 bar = mtod(m, struct ieee80211_frame_bar *);
2944
2945 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
2946 bar->i_fc[1] = 0;
2947
2948 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
2949 IEEE80211_ADDR_COPY(bar->i_ta, vap->iv_myaddr);
2950
2951 tid = WME_AC_TO_TID(tap->txa_ac);
2952
2953 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
2954 IEEE80211_BAR_COMP |
2955 RT2870_SM(tid, IEEE80211_BAR_TID);
2956 barseqctl = RT2870_SM(seqno, IEEE80211_BAR_SEQ_START);
2957
2958 bar->i_ctl = htole16(barctl);
2959 bar->i_seq = htole16(barseqctl);
2960
2961 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
2962
2963 tap->txa_start = seqno;
2964
2965 ieee80211_ref_node(ni);
2966
2967 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2968 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
2969 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
2970
2971 ret = ic->ic_raw_xmit(ni, m, NULL);
2972 if (ret != 0)
2973 ieee80211_free_node(ni);
2974
2975 return ret;
2976 }
2977
2978 /*
2979 * rt2870_amrr_update_iter_func
2980 */
2981 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2982 {
2983 struct rt2870_softc *sc;
2984 struct ieee80211com *ic;
2985 struct ifnet *ifp;
2986 struct ieee80211vap *vap;
2987 struct rt2870_softc_vap *rvap;
2988 struct rt2870_softc_node *rni;
2989 uint8_t wcid;
2990
2991 vap = arg;
2992 ic = vap->iv_ic;
2993 ifp = ic->ic_ifp;
2994 sc = ifp->if_softc;
2995 rvap = (struct rt2870_softc_vap *) vap;
2996 rni = (struct rt2870_softc_node *) ni;
2997
2998 /* only associated stations */
2999
3000 if ((ni->ni_vap == vap) && (rni->staid != 0))
3001 {
3002 wcid = rni->staid;
3003
3004 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
3005 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3006 device_get_nameunit(sc->dev),
3007 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3008
3009 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
3010
3011 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
3012 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3013 device_get_nameunit(sc->dev),
3014 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3015 ni->ni_associd, rni->staid, ni->ni_txrate,
3016 (ni->ni_flags & IEEE80211_NODE_HT) ?
3017 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3018 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3019 }
3020 }
3021
3022 /*
3023 * rt2870_periodic
3024 */
3025 static void rt2870_periodic(void *arg)
3026 {
3027 struct rt2870_softc *sc;
3028 struct ifnet *ifp;
3029
3030 sc = arg;
3031 ifp = sc->ifp;
3032
3033 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
3034 "%s: periodic\n",
3035 device_get_nameunit(sc->dev));
3036
3037 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3038 return;
3039
3040 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3041 }
3042
3043 /*
3044 * rt2870_tx_watchdog
3045 */
3046 static void rt2870_tx_watchdog(void *arg)
3047 {
3048 struct rt2870_softc *sc;
3049 struct ifnet *ifp;
3050
3051 sc = arg;
3052 ifp = sc->ifp;
3053
3054 if (sc->tx_timer == 0)
3055 return;
3056
3057 if (--sc->tx_timer == 0)
3058 {
3059 printf("%s: Tx watchdog timeout: resetting\n",
3060 device_get_nameunit(sc->dev));
3061
3062 rt2870_stop_locked(sc);
3063 rt2870_init_locked(sc);
3064
3065 ifp->if_oerrors++;
3066
3067 sc->tx_watchdog_timeouts++;
3068 }
3069
3070 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
3071 }
3072
3073 /*
3074 * rt2870_staid_alloc
3075 */
3076 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid)
3077 {
3078 int staid;
3079
3080 if ((aid > 0 && aid < RT2870_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3081 {
3082 staid = aid;
3083 }
3084 else
3085 {
3086 for (staid = 1; staid < RT2870_SOFTC_STAID_COUNT; staid++)
3087 {
3088 if (isclr(sc->staid_mask, staid))
3089 break;
3090 }
3091 }
3092
3093 setbit(sc->staid_mask, staid);
3094
3095 return staid;
3096 }
3097
3098 /*
3099 * rt2870_staid_delete
3100 */
3101 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid)
3102 {
3103 clrbit(sc->staid_mask, staid);
3104 }
3105
3106
3107 /*
3108 * rt2870_do_async
3109 */
3110 static int rt2870_do_async(struct rt2870_softc *sc,
3111 void (*cb)(struct rt2870_softc *sc, void *arg),
3112 void *arg, int len)
3113 {
3114 struct ifnet *ifp;
3115 struct rt2870_softc_cmd_ring *ring;
3116 struct rt2870_softc_cmd *cmd;
3117 int run_cmd_task;
3118
3119 ifp = sc->ifp;
3120 ring = &sc->cmd_ring;
3121
3122 RT2870_SOFTC_LOCK(sc);
3123
3124 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
3125 {
3126 RT2870_SOFTC_UNLOCK(sc);
3127 return -1;
3128 }
3129
3130 cmd = STAILQ_FIRST(&ring->inactive);
3131 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3132
3133 cmd->cb = cb;
3134
3135 if(arg != NULL)
3136 memcpy(cmd->data, arg, len);
3137
3138 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
3139 ring->queued++;
3140
3141 run_cmd_task = (ring->queued == 1);
3142
3143 RT2870_SOFTC_UNLOCK(sc);
3144
3145 if (run_cmd_task)
3146 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
3147
3148 return 0;
3149 }
3150
3151 /*
3152 * rt2870_node_cleanup_cb
3153 */
3154 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg)
3155 {
3156 struct ifnet *ifp;
3157 struct ieee80211com *ic;
3158 struct rt2870_cmd_argv_nodecleanup *cmd_argv;
3159 uint8_t staid, vapid, wcid;
3160 uint32_t tmp;
3161
3162 ifp = sc->ifp;
3163 ic = ifp->if_l2com;
3164 cmd_argv = arg;
3165 staid = cmd_argv->staid;
3166
3167 vapid = 0;
3168 wcid = staid;
3169
3170 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3171 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3172
3173 RT2870_SOFTC_LOCK(sc);
3174
3175 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3176
3177 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), 0x00000000);
3178 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, 0x00000000);
3179
3180 rt2870_staid_delete(sc, staid);
3181
3182 RT2870_SOFTC_UNLOCK(sc);
3183 }
3184
3185 /*
3186 * rt2870_updateslot_cb
3187 */
3188 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
3189 {
3190 RT2870_SOFTC_LOCK(sc);
3191
3192 rt2870_asic_updateslot(sc);
3193
3194 RT2870_SOFTC_UNLOCK(sc);
3195 }
3196
3197 /*
3198 * rt2870_wme_update_cb
3199 */
3200 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
3201 {
3202 RT2870_SOFTC_LOCK(sc);
3203
3204 rt2870_asic_wme_update(sc);
3205
3206 RT2870_SOFTC_UNLOCK(sc);
3207 }
3208
3209 /*
3210 * rt2870_vap_key_set_cb
3211 */
3212 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
3213 {
3214 struct ieee80211com *ic;
3215 struct ifnet *ifp;
3216 struct ieee80211_key *k;
3217 enum ieee80211_opmode opmode;
3218 struct rt2870_cmd_argv_keyset *cmd_argv;
3219 uint16_t key_base, keymode_base;
3220 uint8_t mode, vapid, wcid, iv[8];
3221 uint32_t tmp;
3222
3223 ifp = sc->ifp;
3224 ic = ifp->if_l2com;
3225 cmd_argv = arg;
3226 k = &cmd_argv->key;
3227 opmode = cmd_argv->opmode;
3228
3229 switch (k->wk_cipher->ic_cipher)
3230 {
3231 case IEEE80211_CIPHER_WEP:
3232 if(k->wk_keylen < 8)
3233 mode = RT2870_REG_CIPHER_MODE_WEP40;
3234 else
3235 mode = RT2870_REG_CIPHER_MODE_WEP104;
3236 break;
3237
3238 case IEEE80211_CIPHER_TKIP:
3239 mode = RT2870_REG_CIPHER_MODE_TKIP;
3240 break;
3241
3242 case IEEE80211_CIPHER_AES_CCM:
3243 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
3244 break;
3245
3246 default:
3247 return;
3248 }
3249
3250 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3251 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
3252 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3253 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3254
3255 RT2870_SOFTC_LOCK(sc);
3256
3257 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
3258 {
3259 /* install pairwise key */
3260
3261 vapid = 0;
3262 wcid = cmd_argv->staid;
3263 key_base = RT2870_REG_PKEY(wcid);
3264
3265 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3266 {
3267 memset(iv, 0, 8);
3268
3269 iv[3] = (k->wk_keyix << 6);
3270 }
3271 else
3272 {
3273 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3274 {
3275 iv[0] = (k->wk_keytsc >> 8);
3276 iv[1] = ((iv[0] | 0x20) & 0x7f);
3277 iv[2] = k->wk_keytsc;
3278 }
3279 else
3280 {
3281 /* AES CCMP */
3282
3283 iv[0] = k->wk_keytsc;
3284 iv[1] = k->wk_keytsc >> 8;
3285 iv[2] = 0;
3286 }
3287
3288 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3289 iv[4] = (k->wk_keytsc >> 16);
3290 iv[5] = (k->wk_keytsc >> 24);
3291 iv[6] = (k->wk_keytsc >> 32);
3292 iv[7] = (k->wk_keytsc >> 40);
3293
3294 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3295 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3296 device_get_nameunit(sc->dev),
3297 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3298 }
3299
3300 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3301
3302 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3303 {
3304 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3305
3306 if (opmode != IEEE80211_M_HOSTAP)
3307 {
3308 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3309 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3310 }
3311 else
3312 {
3313 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3314 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3315 }
3316 }
3317 else
3318 {
3319 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3320 }
3321
3322 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3323 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3324
3325 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3326 }
3327
3328 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
3329 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
3330 {
3331 /* install group key */
3332
3333 vapid = 0;
3334 wcid = RT2870_WCID_MCAST;
3335 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
3336 keymode_base = RT2870_REG_SKEY_MODE(vapid);
3337
3338 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3339 {
3340 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3341
3342 if (opmode != IEEE80211_M_HOSTAP)
3343 {
3344 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3345 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3346 }
3347 else
3348 {
3349 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3350 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3351 }
3352 }
3353 else
3354 {
3355 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3356 }
3357
3358 tmp = rt2870_io_mac_read(sc, keymode_base);
3359
3360 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3361 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3362
3363 rt2870_io_mac_write(sc, keymode_base, tmp);
3364
3365 if (opmode == IEEE80211_M_HOSTAP)
3366 {
3367 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3368 {
3369 memset(iv, 0, 8);
3370
3371 iv[3] = (k->wk_keyix << 6);
3372 }
3373 else
3374 {
3375 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3376 {
3377 iv[0] = (k->wk_keytsc >> 8);
3378 iv[1] = ((iv[0] | 0x20) & 0x7f);
3379 iv[2] = k->wk_keytsc;
3380 }
3381 else
3382 {
3383 /* AES CCMP */
3384
3385 iv[0] = k->wk_keytsc;
3386 iv[1] = k->wk_keytsc >> 8;
3387 iv[2] = 0;
3388 }
3389
3390 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3391 iv[4] = (k->wk_keytsc >> 16);
3392 iv[5] = (k->wk_keytsc >> 24);
3393 iv[6] = (k->wk_keytsc >> 32);
3394 iv[7] = (k->wk_keytsc >> 40);
3395
3396 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3397 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3398 device_get_nameunit(sc->dev),
3399 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3400 }
3401
3402 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3403
3404 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3405 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
3406
3407 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3408 }
3409 }
3410
3411 RT2870_SOFTC_UNLOCK(sc);
3412 }
3413
3414 /*
3415 * rt2870_vap_key_delete_cb
3416 */
3417 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
3418 {
3419 struct ieee80211com *ic;
3420 struct ifnet *ifp;
3421 struct ieee80211_key *k;
3422 enum ieee80211_opmode opmode;
3423 struct rt2870_cmd_argv_keydelete *cmd_argv;
3424 uint8_t vapid, wcid;
3425 uint32_t tmp;
3426
3427 ifp = sc->ifp;
3428 ic = ifp->if_l2com;
3429 cmd_argv = arg;
3430 k = &cmd_argv->key;
3431 opmode = cmd_argv->opmode;
3432
3433 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3434 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
3435 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3436 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3437
3438 RT2870_SOFTC_LOCK(sc);
3439
3440 if (k->wk_flags & IEEE80211_KEY_GROUP)
3441 {
3442 /* remove group key */
3443
3444 vapid = 0;
3445 wcid = RT2870_WCID_MCAST;
3446
3447 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
3448
3449 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3450 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3451
3452 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
3453
3454 if (opmode == IEEE80211_M_HOSTAP)
3455 {
3456 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3457 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
3458
3459 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3460 }
3461 }
3462
3463 RT2870_SOFTC_UNLOCK(sc);
3464 }
3465
3466 /*
3467 * rt2870_vap_update_beacon_cb
3468 */
3469 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
3470 {
3471 struct ifnet *ifp;
3472 struct ieee80211com *ic;
3473 struct ieee80211vap *vap;
3474
3475 ifp = sc->ifp;
3476 ic = ifp->if_l2com;
3477 vap = TAILQ_FIRST(&ic->ic_vaps);
3478
3479 if (vap == NULL)
3480 return;
3481
3482 RT2870_SOFTC_LOCK(sc);
3483
3484 rt2870_asic_update_beacon(sc, vap);
3485
3486 RT2870_SOFTC_UNLOCK(sc);
3487 }
3488
3489 /*
3490 * rt2870_asic_set_bssid
3491 */
3492 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3493 const uint8_t *bssid)
3494 {
3495 uint32_t tmp;
3496
3497 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3498 "%s: set bssid: bssid=%s\n",
3499 device_get_nameunit(sc->dev),
3500 ether_sprintf(bssid));
3501
3502 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3503
3504 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3505
3506 tmp = bssid[4] | (bssid[5] << 8);
3507
3508 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3509 }
3510
3511 /*
3512 * rt2870_asic_set_macaddr
3513 */
3514 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3515 const uint8_t *addr)
3516 {
3517 uint32_t tmp;
3518
3519 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3520
3521 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3522
3523 tmp = addr[4] | (addr[5] << 8) | (0xff << 16);
3524
3525 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3526 }
3527
3528 /*
3529 * rt2870_asic_enable_tsf_sync
3530 */
3531 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3532 {
3533 struct ifnet *ifp;
3534 struct ieee80211com *ic;
3535 struct ieee80211vap *vap;
3536 uint32_t tmp;
3537
3538 ifp = sc->ifp;
3539 ic = ifp->if_l2com;
3540 vap = TAILQ_FIRST(&ic->ic_vaps);
3541
3542 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3543 "%s: enabling TSF\n",
3544 device_get_nameunit(sc->dev));
3545
3546 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3547
3548 tmp &= ~0x1fffff;
3549 tmp |= vap->iv_bss->ni_intval * 16;
3550 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3551
3552 if (vap->iv_opmode == IEEE80211_M_STA)
3553 {
3554 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3555 }
3556 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3557 {
3558 tmp |= RT2870_REG_BCN_TX_ENABLE;
3559 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3560 }
3561 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3562 {
3563 tmp |= RT2870_REG_BCN_TX_ENABLE;
3564 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3565 }
3566
3567 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3568 }
3569
3570 /*
3571 * rt2870_asic_disable_tsf_sync
3572 */
3573 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3574 {
3575 uint32_t tmp;
3576
3577 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3578 "%s: disabling TSF\n",
3579 device_get_nameunit(sc->dev));
3580
3581 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3582
3583 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3584 RT2870_REG_TSF_TIMER_ENABLE |
3585 RT2870_REG_TBTT_TIMER_ENABLE);
3586
3587 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3588 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3589
3590 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3591 }
3592
3593 /*
3594 * rt2870_asic_enable_mrr
3595 */
3596 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3597 {
3598 #define CCK(mcs) (mcs)
3599 #define OFDM(mcs) ((1 << 3) | (mcs))
3600 #define HT(mcs) (mcs)
3601
3602 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3603 (OFDM(6) << 28) | /* 54 -> 48 */
3604 (OFDM(5) << 24) | /* 48 -> 36 */
3605 (OFDM(4) << 20) | /* 36 -> 24 */
3606 (OFDM(3) << 16) | /* 24 -> 18 */
3607 (OFDM(2) << 12) | /* 18 -> 12 */
3608 (OFDM(1) << 8) | /* 12 -> 9 */
3609 (OFDM(0) << 4) | /* 9 -> 6 */
3610 OFDM(0)); /* 6 -> 6 */
3611
3612 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3613 (CCK(2) << 12) | /* 11 -> 5.5 */
3614 (CCK(1) << 8) | /* 5.5 -> 2 */
3615 (CCK(0) << 4) | /* 2 -> 1 */
3616 CCK(0)); /* 1 -> 1 */
3617
3618 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3619 (HT(6) << 28) |
3620 (HT(5) << 24) |
3621 (HT(4) << 20) |
3622 (HT(3) << 16) |
3623 (HT(2) << 12) |
3624 (HT(1) << 8) |
3625 (HT(0) << 4) |
3626 HT(0));
3627
3628 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3629 (HT(14) << 28) |
3630 (HT(13) << 24) |
3631 (HT(12) << 20) |
3632 (HT(11) << 16) |
3633 (HT(10) << 12) |
3634 (HT(9) << 8) |
3635 (HT(8) << 4) |
3636 HT(7));
3637
3638 #undef HT
3639 #undef OFDM
3640 #undef CCK
3641 }
3642
3643 /*
3644 * rt2870_asic_set_txpreamble
3645 */
3646 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3647 {
3648 struct ifnet *ifp;
3649 struct ieee80211com *ic;
3650 uint32_t tmp;
3651
3652 ifp = sc->ifp;
3653 ic = ifp->if_l2com;
3654
3655 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3656 "%s: %s short Tx preamble\n",
3657 device_get_nameunit(sc->dev),
3658 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3659
3660 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3661
3662 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3663
3664 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3665 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3666
3667 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3668 }
3669
3670 /*
3671 * rt2870_asic_set_basicrates
3672 */
3673 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3674 {
3675 struct ifnet *ifp;
3676 struct ieee80211com *ic;
3677
3678 ifp = sc->ifp;
3679 ic = ifp->if_l2com;
3680
3681 if (ic->ic_curmode == IEEE80211_MODE_11B)
3682 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3683 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3684 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3685 else
3686 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3687 }
3688
3689 /*
3690 * rt2870_asic_update_rtsthreshold
3691 */
3692 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3693 {
3694 struct ifnet *ifp;
3695 struct ieee80211com *ic;
3696 struct ieee80211vap *vap;
3697 uint32_t tmp;
3698 uint16_t threshold;
3699
3700 ifp = sc->ifp;
3701 ic = ifp->if_l2com;
3702 vap = TAILQ_FIRST(&ic->ic_vaps);
3703
3704 if (vap == NULL)
3705 threshold = IEEE80211_RTS_MAX;
3706 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3707 threshold = 0x1000;
3708 else
3709 threshold = vap->iv_rtsthreshold;
3710
3711 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3712 "%s: updating RTS threshold: %d\n",
3713 device_get_nameunit(sc->dev), threshold);
3714
3715 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3716
3717 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3718
3719 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3720 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3721
3722 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3723 }
3724
3725 /*
3726 * rt2870_asic_update_txpower
3727 */
3728 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3729 {
3730 struct ifnet *ifp;
3731 struct ieee80211com *ic;
3732 uint32_t *txpow_rate;
3733 int8_t delta;
3734 uint8_t val;
3735 uint32_t tmp;
3736 int i;
3737
3738 ifp = sc->ifp;
3739 ic = ifp->if_l2com;
3740
3741 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3742 "%s: updating Tx power: %d\n",
3743 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3744
3745 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3746 {
3747 txpow_rate = sc->txpow_rate_20mhz;
3748 }
3749 else
3750 {
3751 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3752 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3753 else
3754 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3755 }
3756
3757 delta = 0;
3758
3759 val = rt2870_io_bbp_read(sc, 1);
3760 val &= 0xfc;
3761
3762 if (ic->ic_txpowlimit > 90)
3763 {
3764 /* do nothing */
3765 }
3766 else if (ic->ic_txpowlimit > 60)
3767 {
3768 delta -= 1;
3769 }
3770 else if (ic->ic_txpowlimit > 30)
3771 {
3772 delta -= 3;
3773 }
3774 else if (ic->ic_txpowlimit > 15)
3775 {
3776 val |= 0x1;
3777 }
3778 else if (ic->ic_txpowlimit > 9)
3779 {
3780 val |= 0x1;
3781 delta -= 3;
3782 }
3783 else
3784 {
3785 val |= 0x2;
3786 }
3787
3788 rt2870_io_bbp_write(sc, 1, val);
3789
3790 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3791 {
3792 if (txpow_rate[i] == 0xffffffff)
3793 continue;
3794
3795 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3796
3797 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3798 }
3799 }
3800
3801 /*
3802 * rt2870_asic_update_promisc
3803 */
3804 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3805 {
3806 struct ifnet *ifp;
3807 uint32_t tmp;
3808
3809 ifp = sc->ifp;
3810
3811 printf("%s: %s promiscuous mode\n",
3812 device_get_nameunit(sc->dev),
3813 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3814
3815 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3816
3817 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3818
3819 if (!(ifp->if_flags & IFF_PROMISC))
3820 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3821
3822 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3823 }
3824
3825 /*
3826 * rt2870_asic_updateprot
3827 */
3828 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3829 {
3830 struct ifnet *ifp;
3831 struct ieee80211com *ic;
3832 struct ieee80211vap *vap;
3833 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3834 uint8_t htopmode;
3835 enum ieee80211_protmode htprotmode;
3836
3837 ifp = sc->ifp;
3838 ic = ifp->if_l2com;
3839 vap = TAILQ_FIRST(&ic->ic_vaps);
3840
3841 /* CCK frame protection */
3842
3843 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3844 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3845
3846 /* set up protection frame phy mode and rate (MCS code) */
3847
3848 if (ic->ic_curmode == IEEE80211_MODE_11A)
3849 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3850 (0 << RT2870_REG_PROT_MCS_SHIFT);
3851 else
3852 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3853 (3 << RT2870_REG_PROT_MCS_SHIFT));
3854
3855 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3856
3857 /* OFDM frame protection */
3858
3859 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3860 RT2870_REG_TXOP_ALLOW_ALL;
3861
3862 if (ic->ic_flags & IEEE80211_F_USEPROT)
3863 {
3864 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3865 "%s: updating protection mode: b/g protection mode=%s\n",
3866 device_get_nameunit(sc->dev),
3867 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3868 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3869
3870 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3871 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3872 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3873 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3874 else
3875 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3876 }
3877 else
3878 {
3879 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3880 "%s: updating protection mode: b/g protection mode=%s\n",
3881 device_get_nameunit(sc->dev), "none");
3882
3883 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3884 }
3885
3886 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3887
3888 /* HT frame protection */
3889
3890 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3891 htopmode = vap->iv_bss->ni_htopmode;
3892 else
3893 htopmode = ic->ic_curhtprotmode;
3894
3895 htprotmode = ic->ic_htprotmode;
3896
3897 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3898
3899 if (sc->tx_ampdu_sessions > 0)
3900 {
3901 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3902 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3903 device_get_nameunit(sc->dev));
3904
3905 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3906 htprotmode = IEEE80211_PROT_RTSCTS;
3907 }
3908
3909 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3910 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3911 device_get_nameunit(sc->dev),
3912 htopmode & IEEE80211_HTINFO_OPMODE,
3913 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3914 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3915
3916 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3917 {
3918 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3919 case IEEE80211_HTINFO_OPMODE_HT20PR:
3920 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3921 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3922 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3923 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3924 (4 << RT2870_REG_PROT_MCS_SHIFT);
3925
3926 gf20_prot = mm20_prot;
3927
3928 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3929 RT2870_REG_TXOP_ALLOW_ALL |
3930 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3931 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3932
3933 if (htprotmode == IEEE80211_PROT_RTSCTS)
3934 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3935 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3936 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3937 else
3938 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3939
3940 gf40_prot = mm40_prot;
3941 break;
3942
3943 /* IEEE80211_HTINFO_OPMODE_MIXED */
3944 case IEEE80211_HTINFO_OPMODE_MIXED:
3945 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3946 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3947 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3948
3949 if (ic->ic_flags & IEEE80211_F_USEPROT)
3950 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3951 (3 << RT2870_REG_PROT_MCS_SHIFT);
3952 else
3953 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3954 (4 << RT2870_REG_PROT_MCS_SHIFT);
3955
3956 if (htprotmode == IEEE80211_PROT_RTSCTS)
3957 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3958 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3959 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3960 else
3961 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3962
3963 gf20_prot = mm20_prot;
3964
3965 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3966
3967 if (ic->ic_flags & IEEE80211_F_USEPROT)
3968 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3969 (3 << RT2870_REG_PROT_MCS_SHIFT);
3970 else
3971 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3972 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3973
3974 if (htprotmode == IEEE80211_PROT_RTSCTS)
3975 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3976 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3977 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3978 else
3979 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3980
3981 gf40_prot = mm40_prot;
3982 break;
3983
3984 /*
3985 * IEEE80211_HTINFO_OPMODE_PURE
3986 * IEEE80211_HTINFO_OPMODE_PROTOPT
3987 */
3988 case IEEE80211_HTINFO_OPMODE_PURE:
3989 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3990 default:
3991 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3992 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3993 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3994 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3995 (4 << RT2870_REG_PROT_MCS_SHIFT);
3996
3997 gf20_prot = mm20_prot;
3998
3999 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
4000 RT2870_REG_TXOP_ALLOW_ALL |
4001 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
4002 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
4003
4004 gf40_prot = mm40_prot;
4005 break;
4006 }
4007
4008 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
4009 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
4010 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
4011 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
4012 }
4013
4014 /*
4015 * rt2870_asic_updateslot
4016 */
4017 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
4018 {
4019 struct ifnet *ifp;
4020 struct ieee80211com *ic;
4021 struct ieee80211vap *vap;
4022 uint32_t tmp;
4023
4024 ifp = sc->ifp;
4025 ic = ifp->if_l2com;
4026 vap = TAILQ_FIRST(&ic->ic_vaps);
4027
4028 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
4029 "%s: %s short slot time\n",
4030 device_get_nameunit(sc->dev),
4031 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
4032 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
4033
4034 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
4035
4036 tmp &= ~0xff;
4037
4038 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
4039 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
4040 tmp |= IEEE80211_DUR_SHSLOT;
4041 else
4042 tmp |= IEEE80211_DUR_SLOT;
4043
4044 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
4045 }
4046
4047 /*
4048 * rt2870_asic_wme_update
4049 */
4050 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
4051 {
4052 struct ifnet *ifp;
4053 struct ieee80211com *ic;
4054 struct ieee80211_wme_state *wme;
4055 const struct wmeParams *wmep;
4056 int i;
4057
4058 ifp = sc->ifp;
4059 ic = ifp->if_l2com;
4060 wme = &ic->ic_wme;
4061 wmep = wme->wme_chanParams.cap_wmeParams;
4062
4063 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
4064 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
4065 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
4066 device_get_nameunit(sc->dev),
4067 wmep[WME_AC_VO].wmep_aifsn,
4068 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
4069 wmep[WME_AC_VO].wmep_txopLimit,
4070 wmep[WME_AC_VI].wmep_aifsn,
4071 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
4072 wmep[WME_AC_VI].wmep_txopLimit,
4073 wmep[WME_AC_BK].wmep_aifsn,
4074 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
4075 wmep[WME_AC_BK].wmep_txopLimit,
4076 wmep[WME_AC_BE].wmep_aifsn,
4077 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
4078 wmep[WME_AC_BE].wmep_txopLimit);
4079
4080 for (i = 0; i < WME_NUM_AC; i++)
4081 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
4082 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
4083 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
4084
4085 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
4086 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
4087 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
4088
4089 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
4090 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
4091 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
4092
4093 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
4094 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
4095 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
4096
4097 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
4098 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
4099
4100 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
4101 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
4102 }
4103
4104 /*
4105 * rt2870_asic_update_beacon
4106 */
4107 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
4108 struct ieee80211vap *vap)
4109 {
4110 struct rt2870_softc_vap *rvap;
4111 struct mbuf *m;
4112 struct rt2870_txwi *txwi;
4113 uint32_t tmp;
4114
4115 rvap = (struct rt2870_softc_vap *) vap;
4116
4117 m = rvap->beacon_mbuf;
4118 txwi = &rvap->beacon_txwi;
4119
4120 /* disable temporarily TSF sync */
4121
4122 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
4123
4124 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
4125 RT2870_REG_TSF_TIMER_ENABLE |
4126 RT2870_REG_TBTT_TIMER_ENABLE);
4127
4128 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
4129
4130 /* write Tx wireless info and beacon frame to on-chip memory */
4131
4132 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
4133 txwi, sizeof(struct rt2870_txwi));
4134
4135 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
4136 mtod(m, uint8_t *), m->m_pkthdr.len);
4137
4138 /* enable again TSF sync */
4139
4140 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
4141
4142 tmp |= (RT2870_REG_BCN_TX_ENABLE |
4143 RT2870_REG_TSF_TIMER_ENABLE |
4144 RT2870_REG_TBTT_TIMER_ENABLE);
4145
4146 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
4147 }
4148
4149 /*
4150 * rt2870_asic_clear_keytables
4151 */
4152 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
4153 {
4154 int i;
4155
4156 /* clear Rx WCID search table (entries = 256, entry size = 8) */
4157
4158 for (i = 0; i < 256; i++)
4159 {
4160 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
4161 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
4162 }
4163
4164 /* clear WCID attribute table (entries = 256, entry size = 4) */
4165
4166 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
4167
4168 /* clear IV/EIV table (entries = 256, entry size = 8) */
4169
4170 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
4171
4172 /* clear pairwise key table (entries = 256, entry size = 32) */
4173
4174 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
4175
4176 /* clear shared key table (entries = 32, entry size = 32) */
4177
4178 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
4179
4180 /* clear shared key mode (entries = 32, entry size = 2) */
4181
4182 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
4183 }
4184
4185 /*
4186 * rt2870_asic_add_ba_session
4187 */
4188 static void rt2870_asic_add_ba_session(struct rt2870_softc *sc,
4189 uint8_t wcid, int tid)
4190 {
4191 uint32_t tmp;
4192
4193 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
4194
4195 tmp |= (0x10000 << tid);
4196
4197 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
4198 }
4199
4200 /*
4201 * rt2860_asic_del_ba_session
4202 */
4203 static void rt2870_asic_del_ba_session(struct rt2870_softc *sc,
4204 uint8_t wcid, int tid)
4205 {
4206 uint32_t tmp;
4207
4208 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
4209
4210 tmp &= ~(0x10000 << tid);
4211
4212 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
4213 }
4214
4215 /*
4216 * rt2870_beacon_alloc
4217 */
4218 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
4219 struct ieee80211vap *vap)
4220 {
4221 struct ieee80211com *ic;
4222 struct rt2870_softc_vap *rvap;
4223 struct mbuf *m;
4224 struct rt2870_txwi txwi;
4225 uint8_t rate, mcs;
4226
4227 ic = vap->iv_ic;
4228 rvap = (struct rt2870_softc_vap *) vap;
4229
4230 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
4231 if (m == NULL)
4232 return ENOMEM;
4233
4234 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
4235 mcs = rt2870_rate2mcs(rate);
4236
4237 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
4238 "%s: beacon allocate: mcs=0x%02x\n",
4239 device_get_nameunit(sc->dev), mcs);
4240
4241 memset(&txwi, 0, sizeof(struct rt2870_txwi));
4242
4243 txwi.wcid = RT2870_WCID_RESERVED;
4244 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4245 RT2870_TXWI_MPDU_LEN_SHIFT);
4246 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4247 txwi.mpdu_density_flags |=
4248 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4249 txwi.bawin_size_xflags |=
4250 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
4251
4252 if (rate == 2)
4253 {
4254 txwi.phymode_ifs_stbc_shortgi =
4255 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4256
4257 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4258 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4259 }
4260 else
4261 {
4262 txwi.phymode_ifs_stbc_shortgi =
4263 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4264 }
4265
4266 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4267 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4268
4269 if (rvap->beacon_mbuf != NULL)
4270 {
4271 m_free(rvap->beacon_mbuf);
4272 rvap->beacon_mbuf = NULL;
4273 }
4274
4275 rvap->beacon_mbuf = m;
4276 rvap->beacon_txwi = txwi;
4277
4278 return 0;
4279 }
4280
4281 /*
4282 * rt2870_rxrate
4283 */
4284 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
4285 {
4286 uint8_t mcs, phymode;
4287 uint8_t rate;
4288
4289 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
4290 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4291 RT2870_RXWI_PHYMODE_MASK;
4292
4293 rate = 2;
4294
4295 switch (phymode)
4296 {
4297 case RT2870_RXWI_PHYMODE_CCK:
4298 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
4299 {
4300 case 0: rate = 2; break; /* 1 Mbps */
4301 case 1: rate = 4; break; /* 2 MBps */
4302 case 2: rate = 11; break; /* 5.5 Mbps */
4303 case 3: rate = 22; break; /* 11 Mbps */
4304 }
4305 break;
4306
4307 case RT2870_RXWI_PHYMODE_OFDM:
4308 switch (mcs)
4309 {
4310 case 0: rate = 12; break; /* 6 Mbps */
4311 case 1: rate = 18; break; /* 9 Mbps */
4312 case 2: rate = 24; break; /* 12 Mbps */
4313 case 3: rate = 36; break; /* 18 Mbps */
4314 case 4: rate = 48; break; /* 24 Mbps */
4315 case 5: rate = 72; break; /* 36 Mbps */
4316 case 6: rate = 96; break; /* 48 Mbps */
4317 case 7: rate = 108; break; /* 54 Mbps */
4318 }
4319 break;
4320
4321 case RT2870_RXWI_PHYMODE_HT_MIXED:
4322 case RT2870_RXWI_PHYMODE_HT_GF:
4323 break;
4324 }
4325
4326 return rate;
4327 }
4328
4329 /*
4330 * rt2870_maxrssi_rxpath
4331 */
4332 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
4333 const struct rt2870_rxwi *rxwi)
4334 {
4335 uint8_t rxpath;
4336
4337 rxpath = 0;
4338
4339 if (sc->nrxpath > 1)
4340 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4341 rxpath = 1;
4342
4343 if (sc->nrxpath > 2)
4344 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4345 rxpath = 2;
4346
4347 return rxpath;
4348 }
4349
4350 /*
4351 * rt2870_rssi2dbm
4352 */
4353 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
4354 uint8_t rssi, uint8_t rxpath)
4355 {
4356 struct ifnet *ifp;
4357 struct ieee80211com *ic;
4358 struct ieee80211_channel *c;
4359 int chan;
4360 int8_t rssi_off, lna_gain;
4361
4362 if (rssi == 0)
4363 return -99;
4364
4365 ifp = sc->ifp;
4366 ic = ifp->if_l2com;
4367 c = ic->ic_curchan;
4368 chan = ieee80211_chan2ieee(ic, c);
4369
4370 if (IEEE80211_IS_CHAN_5GHZ(c))
4371 {
4372 rssi_off = sc->rssi_off_5ghz[rxpath];
4373
4374 if (chan <= 64)
4375 lna_gain = sc->lna_gain[1];
4376 else if (chan <= 128)
4377 lna_gain = sc->lna_gain[2];
4378 else
4379 lna_gain = sc->lna_gain[3];
4380 }
4381 else
4382 {
4383 rssi_off = sc->rssi_off_2ghz[rxpath];
4384 lna_gain = sc->lna_gain[0];
4385 }
4386
4387 return (-12 - rssi_off - lna_gain - rssi);
4388 }
4389
4390 /*
4391 * rt2870_rate2mcs
4392 */
4393 static uint8_t rt2870_rate2mcs(uint8_t rate)
4394 {
4395 switch (rate)
4396 {
4397 /* CCK rates */
4398 case 2: return 0;
4399 case 4: return 1;
4400 case 11: return 2;
4401 case 22: return 3;
4402
4403 /* OFDM rates */
4404 case 12: return 0;
4405 case 18: return 1;
4406 case 24: return 2;
4407 case 36: return 3;
4408 case 48: return 4;
4409 case 72: return 5;
4410 case 96: return 6;
4411 case 108: return 7;
4412 }
4413
4414 return 0;
4415 }
4416
4417 /*
4418 * rt2870_rx_frame
4419 */
4420 static void rt2870_rx_frame(struct rt2870_softc *sc,
4421 uint8_t *buf, uint32_t dmalen)
4422 {
4423 struct ifnet *ifp;
4424 struct ieee80211com *ic;
4425 struct ieee80211_frame *wh;
4426 struct ieee80211_node *ni;
4427 struct rt2870_softc_node *rni;
4428 struct rt2870_softc_rx_radiotap_header *tap;
4429 struct rt2870_rxwi *rxwi;
4430 struct rt2870_rxinfo *rxinfo;
4431 struct mbuf *m;
4432 uint32_t rxinfo_flags;
4433 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
4434 uint16_t seq;
4435 int8_t rssi_dbm;
4436 int len, ampdu, amsdu, rssi_dbm_rel, i;
4437
4438 ifp = sc->ifp;
4439 ic = ifp->if_l2com;
4440
4441 /* get Rx wireless info */
4442
4443 rxwi = (struct rt2870_rxwi *) buf;
4444 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
4445 RT2870_RXWI_SIZE_MASK;
4446
4447 if (len > dmalen)
4448 {
4449 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4450 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
4451 device_get_nameunit(sc->dev), dmalen, len);
4452 return;
4453 }
4454
4455 /* get Rx info */
4456
4457 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
4458 rxinfo_flags = le32toh(rxinfo->flags);
4459
4460 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4461 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
4462 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
4463
4464 /* check for crc errors */
4465
4466 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4467 {
4468 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4469 "%s: rxinfo: crc error\n",
4470 device_get_nameunit(sc->dev));
4471
4472 ifp->if_ierrors++;
4473
4474 if (!(ifp->if_flags & IFF_PROMISC))
4475 return;
4476 }
4477
4478 wh = (struct ieee80211_frame *) (rxwi + 1);
4479
4480 /* check for L2 padding between IEEE 802.11 frame header and body */
4481
4482 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
4483 {
4484 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4485 "%s: L2 padding: DMA len=%d, len=%d\n",
4486 device_get_nameunit(sc->dev), dmalen, len);
4487
4488 len += 2;
4489 }
4490
4491 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4492 if (m == NULL)
4493 {
4494 sc->rx_mbuf_alloc_errors++;
4495 ifp->if_ierrors++;
4496 return;
4497 }
4498
4499 m->m_pkthdr.rcvif = ifp;
4500 m->m_pkthdr.len = m->m_len = len;
4501
4502 m_copyback(m, 0, len, (caddr_t) wh);
4503
4504 wh = mtod(m, struct ieee80211_frame *);
4505
4506 /* check for cipher errors */
4507
4508 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4509 {
4510 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4511 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4512 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4513 {
4514 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4515 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4516
4517 m->m_flags |= M_WEP;
4518
4519 sc->rx_cipher_no_errors++;
4520 }
4521 else
4522 {
4523 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4524 "%s: rxinfo: cipher error=0x%02x\n",
4525 device_get_nameunit(sc->dev), cipher_err);
4526
4527 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_ICV)
4528 sc->rx_cipher_icv_errors++;
4529 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC)
4530 sc->rx_cipher_mic_errors++;
4531 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_INVALID_KEY)
4532 sc->rx_cipher_invalid_key_errors++;
4533
4534 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4535 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4536 {
4537 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
4538 if (ni != NULL)
4539 {
4540 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4541 RT2870_RXWI_KEYIDX_MASK;
4542
4543 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
4544
4545 ieee80211_free_node(ni);
4546 }
4547 }
4548
4549 ifp->if_ierrors++;
4550
4551 if (!(ifp->if_flags & IFF_PROMISC))
4552 {
4553 m_free(m);
4554 return;
4555 }
4556 }
4557 }
4558 else
4559 {
4560 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4561 {
4562 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4563 "%s: rxinfo: not decrypted but protected flag set\n",
4564 device_get_nameunit(sc->dev));
4565
4566 ifp->if_ierrors++;
4567
4568 if (!(ifp->if_flags & IFF_PROMISC))
4569 {
4570 m_free(m);
4571 return;
4572 }
4573 }
4574 }
4575
4576 /* check for A-MPDU */
4577
4578 if (rxinfo_flags & RT2870_RXINFO_FLAGS_BA)
4579 {
4580 m->m_flags |= M_AMPDU;
4581
4582 sc->rx_ampdu++;
4583
4584 if (wh->i_fc[1] & IEEE80211_FC1_RETRY)
4585 sc->rx_ampdu_retries++;
4586
4587 ampdu = 1;
4588 }
4589 else
4590 {
4591 ampdu = 0;
4592 }
4593
4594 /* check for A-MSDU */
4595
4596 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4597 {
4598 sc->rx_amsdu++;
4599
4600 amsdu = 1;
4601 }
4602 else
4603 {
4604 amsdu = 0;
4605 }
4606
4607 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4608 rssi = rxwi->rssi[ant];
4609 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4610 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4611 RT2870_RXWI_PHYMODE_MASK);
4612 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4613 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4614 RT2870_RXWI_SHORTGI_MASK);
4615 stbc = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_STBC_SHIFT) &
4616 RT2870_RXWI_STBC_MASK);
4617 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4618 tid = ((rxwi->tid_size >> RT2870_RXWI_TID_SHIFT) & RT2870_RXWI_TID_MASK);
4619 seq = ((rxwi->seq_frag >> RT2870_RXWI_SEQ_SHIFT) & RT2870_RXWI_SEQ_MASK);
4620 frag = ((rxwi->seq_frag >> RT2870_RXWI_FRAG_SHIFT) & RT2870_RXWI_FRAG_MASK);
4621
4622 if (ieee80211_radiotap_active(ic))
4623 {
4624 tap = &sc->rxtap;
4625
4626 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4627 tap->dbm_antsignal = rssi_dbm;
4628 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4629 tap->antenna = ant;
4630 tap->antsignal = rssi;
4631 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4632 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4633 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4634 tap->chan_maxpow = 0;
4635
4636 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4637 tap->rate = rt2870_rxrate(rxwi);
4638 else
4639 tap->rate = mcs | IEEE80211_RATE_MCS;
4640
4641 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4642 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4643
4644 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4645 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4646
4647 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4648 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4649
4650 if ((rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED) ||
4651 (wh->i_fc[1] & IEEE80211_FC1_WEP))
4652 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4653
4654 if (shortgi)
4655 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4656
4657 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
4658
4659 if (ampdu)
4660 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
4661 }
4662
4663 /*
4664 * net80211 assumes that RSSI data are in the range [-127..127] and
4665 * in .5 dBm units relative to the current noise floor
4666 */
4667
4668 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4669 if (rssi_dbm_rel > 127)
4670 rssi_dbm_rel = 127;
4671
4672 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4673 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
4674 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
4675 "retry=%d, rssi_dbm=%d, rssi_dbm_rel=%d\n",
4676 device_get_nameunit(sc->dev),
4677 len, phymode, bw, shortgi, stbc, mcs,
4678 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4679 rxwi->snr[0], rxwi->snr[1],
4680 rxwi->wcid, ampdu, amsdu, tid, seq, frag, (wh->i_fc[1] & IEEE80211_FC1_RETRY) ? 1 : 0,
4681 rssi_dbm, rssi_dbm_rel);
4682
4683 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4684 if (ni != NULL)
4685 {
4686 rni = (struct rt2870_softc_node *) ni;
4687
4688 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4689 {
4690 rni->last_rssi[i] = rxwi->rssi[i];
4691 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4692 }
4693
4694 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4695 ieee80211_free_node(ni);
4696 }
4697 else
4698 {
4699 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4700 }
4701 }
4702
4703 /*
4704 * rt2870_tx_mgmt
4705 */
4706 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4707 struct mbuf *m, struct ieee80211_node *ni, int qid)
4708 {
4709 struct ifnet *ifp;
4710 struct ieee80211com *ic;
4711 struct ieee80211vap *vap;
4712 const struct ieee80211_txparam *tp;
4713 struct rt2870_softc_node *rni;
4714 struct rt2870_softc_tx_ring *ring;
4715 struct rt2870_softc_tx_data *data;
4716 struct rt2870_txinfo *txinfo;
4717 struct rt2870_txwi *txwi;
4718 struct ieee80211_frame *wh;
4719 struct rt2870_softc_tx_radiotap_header *tap;
4720 u_int hdrsize, hdrspace;
4721 uint8_t rate, stbc, shortgi, mcs, pid;
4722 uint16_t len, dmalen, mpdu_len, dur;
4723 int mimops;
4724
4725 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4726 ("%s: Tx MGMT: invalid qid=%d\n",
4727 device_get_nameunit(sc->dev), qid));
4728
4729 ifp = sc->ifp;
4730 ic = ifp->if_l2com;
4731 vap = ni->ni_vap;
4732 rni = (struct rt2870_softc_node *) ni;
4733 tp = ni->ni_txparms;
4734
4735 ring = &sc->tx_ring[qid];
4736 data = STAILQ_FIRST(&ring->inactive);
4737 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4738 txinfo = (struct rt2870_txinfo *) data->buf;
4739 txwi = (struct rt2870_txwi *) (txinfo + 1);
4740
4741 wh = mtod(m, struct ieee80211_frame *);
4742
4743 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4744
4745 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4746
4747 /* align end on a 4-bytes boundary */
4748
4749 dmalen = (len + 3) & ~3;
4750
4751 /* fill Tx info */
4752
4753 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4754
4755 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4756
4757 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4758
4759 dmalen += 4;
4760
4761 memset((caddr_t) txinfo + len, 0, dmalen - len);
4762
4763 /* fill Tx wireless info */
4764
4765 if (ni->ni_flags & IEEE80211_NODE_HT)
4766 mcs = rate;
4767 else
4768 mcs = rt2870_rate2mcs(rate);
4769
4770 /* calculate MPDU length without padding */
4771
4772 hdrsize = ieee80211_anyhdrsize(wh);
4773 hdrspace = ieee80211_anyhdrspace(ic, wh);
4774 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4775
4776 memset(txwi, 0, sizeof(struct rt2870_txwi));
4777
4778 /* management frames do not need encryption */
4779
4780 txwi->wcid = 0xff;
4781
4782 /* MIMO power save */
4783
4784 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4785 {
4786 if (mcs > 7)
4787 {
4788 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4789 {
4790 /* dynamic MIMO power save */
4791
4792 txwi->mpdu_density_flags |=
4793 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4794 }
4795 else
4796 {
4797 /* static MIMO power save */
4798
4799 mcs = 7;
4800 }
4801 }
4802
4803 mimops = 1;
4804 }
4805 else
4806 {
4807 mimops = 0;
4808 }
4809
4810 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4811
4812 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4813 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4814 RT2870_TXWI_MPDU_LEN_SHIFT);
4815
4816 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4817 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4818
4819 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4820 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4821
4822 txwi->phymode_ifs_stbc_shortgi |=
4823 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4824 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4825
4826 txwi->phymode_ifs_stbc_shortgi |=
4827 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4828
4829 if (ni->ni_flags & IEEE80211_NODE_HT)
4830 {
4831 txwi->phymode_ifs_stbc_shortgi |=
4832 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4833 }
4834 else
4835 {
4836 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4837 {
4838 txwi->phymode_ifs_stbc_shortgi |=
4839 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4840
4841 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4842 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4843 }
4844 else
4845 {
4846 txwi->phymode_ifs_stbc_shortgi |=
4847 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4848 }
4849 }
4850
4851 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4852 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4853
4854 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4855
4856 /* skip ACKs for multicast frames */
4857
4858 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4859 {
4860 txwi->bawin_size_xflags |=
4861 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4862
4863 if (ni->ni_flags & IEEE80211_NODE_HT)
4864 {
4865 /* preamble + plcp + signal extension + SIFS */
4866
4867 dur = 16 + 4 + 6 + 10;
4868 }
4869 else
4870 {
4871 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4872 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4873 }
4874
4875 *(uint16_t *) wh->i_dur = htole16(dur);
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 MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4927 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4928 device_get_nameunit(sc->dev),
4929 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4930
4931 data->len = dmalen;
4932 data->m = m;
4933 data->ni = ni;
4934
4935 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4936 ring->queued++;
4937
4938 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4939
4940 return 0;
4941 }
4942
4943 /*
4944 * rt2870_tx_data
4945 */
4946 static int rt2870_tx_data(struct rt2870_softc *sc,
4947 struct mbuf *m, struct ieee80211_node *ni, int qid)
4948 {
4949 struct ifnet *ifp;
4950 struct ieee80211com *ic;
4951 struct ieee80211vap *vap;
4952 const struct ieee80211_txparam *tp;
4953 struct rt2870_softc_node *rni;
4954 struct rt2870_softc_tx_ring *ring;
4955 struct rt2870_softc_tx_data *data;
4956 struct rt2870_txinfo *txinfo;
4957 struct rt2870_txwi *txwi;
4958 struct ieee80211_frame *wh;
4959 struct ieee80211_tx_ampdu *tx_ampdu;
4960 ieee80211_seq seqno;
4961 struct rt2870_softc_tx_radiotap_header *tap;
4962 u_int hdrsize, hdrspace;
4963 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4964 uint16_t qos, len, dmalen, mpdu_len, dur;
4965 int hasqos, ac, tid, ampdu, mimops;
4966
4967 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4968 ("%s: Tx data: invalid qid=%d\n",
4969 device_get_nameunit(sc->dev), qid));
4970
4971 ifp = sc->ifp;
4972 ic = ifp->if_l2com;
4973 vap = ni->ni_vap;
4974 rni = (struct rt2870_softc_node *) ni;
4975 tp = ni->ni_txparms;
4976
4977 ring = &sc->tx_ring[qid];
4978 data = STAILQ_FIRST(&ring->inactive);
4979 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4980 txinfo = (struct rt2870_txinfo *) data->buf;
4981 txwi = (struct rt2870_txwi *) (txinfo + 1);
4982
4983 wh = mtod(m, struct ieee80211_frame *);
4984
4985 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4986
4987 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4988 if (hasqos)
4989 {
4990 if (IEEE80211_HAS_ADDR4(wh))
4991 qos = le16toh(*(const uint16_t *)
4992 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4993 else
4994 qos = le16toh(*(const uint16_t *)
4995 (((struct ieee80211_qosframe *) wh)->i_qos));
4996 }
4997 else
4998 {
4999 qos = 0;
5000 }
5001
5002 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
5003 rate = tp->mcastrate;
5004 else if (m->m_flags & M_EAPOL)
5005 rate = tp->mgmtrate;
5006 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
5007 rate = tp->ucastrate;
5008 else
5009 rate = ni->ni_txrate;
5010
5011 rate &= IEEE80211_RATE_VAL;
5012
5013 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
5014
5015 /* align end on a 4-bytes boundary */
5016
5017 dmalen = (len + 3) & ~3;
5018
5019 /* fill Tx info */
5020
5021 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
5022
5023 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
5024
5025 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
5026
5027 dmalen += 4;
5028
5029 memset((caddr_t) txinfo + len, 0, dmalen - len);
5030
5031 /* fill Tx wireless info */
5032
5033 if (ni->ni_flags & IEEE80211_NODE_HT)
5034 mcs = rate;
5035 else
5036 mcs = rt2870_rate2mcs(rate);
5037
5038 if (type == IEEE80211_FC0_TYPE_DATA)
5039 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2870_WCID_MCAST;
5040 else
5041 wcid = RT2870_WCID_RESERVED;
5042
5043 /* calculate MPDU length without padding */
5044
5045 hdrsize = ieee80211_anyhdrsize(wh);
5046 hdrspace = ieee80211_anyhdrspace(ic, wh);
5047 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
5048
5049 memset(txwi, 0, sizeof(struct rt2870_txwi));
5050
5051 txwi->wcid = wcid;
5052
5053 /* MIMO power save */
5054
5055 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
5056 {
5057 if (mcs > 7)
5058 {
5059 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
5060 {
5061 /* dynamic MIMO power save */
5062
5063 txwi->mpdu_density_flags |=
5064 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
5065 }
5066 else
5067 {
5068 /* static MIMO power save */
5069
5070 mcs = 7;
5071 }
5072 }
5073
5074 mimops = 1;
5075 }
5076 else
5077 {
5078 mimops = 0;
5079 }
5080
5081 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
5082
5083 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
5084 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
5085 RT2870_TXWI_MPDU_LEN_SHIFT);
5086
5087 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
5088 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
5089
5090 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
5091 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
5092
5093 txwi->phymode_ifs_stbc_shortgi |=
5094 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
5095 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
5096
5097 if (ni->ni_flags & IEEE80211_NODE_HT)
5098 {
5099 txwi->phymode_ifs_stbc_shortgi |=
5100 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
5101 }
5102 else
5103 {
5104 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
5105 {
5106 txwi->phymode_ifs_stbc_shortgi |=
5107 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
5108
5109 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
5110 mcs |= RT2870_TXWI_MCS_SHOTPRE;
5111 }
5112 else
5113 {
5114 txwi->phymode_ifs_stbc_shortgi |=
5115 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
5116 }
5117 }
5118
5119 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
5120 bw = RT2870_TXWI_BW_40;
5121 else
5122 bw = RT2870_TXWI_BW_20;
5123
5124 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
5125 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
5126
5127 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
5128
5129 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
5130 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
5131 {
5132 txwi->bawin_size_xflags |=
5133 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
5134
5135 if (ni->ni_flags & IEEE80211_NODE_HT)
5136 {
5137 /* preamble + plcp + signal extension + SIFS */
5138
5139 dur = 16 + 4 + 6 + 10;
5140 }
5141 else
5142 {
5143 dur = ieee80211_ack_duration(ic->ic_rt, rate,
5144 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
5145 }
5146
5147 *(uint16_t *) wh->i_dur = htole16(dur);
5148 }
5149
5150 /* check fo A-MPDU */
5151
5152 if (m->m_flags & M_AMPDU_MPDU)
5153 {
5154 ac = M_WME_GETAC(m);
5155 tid = WME_AC_TO_TID(ac);
5156 tx_ampdu = &ni->ni_tx_ampdu[ac];
5157
5158 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
5159 bawin_size = tx_ampdu->txa_wnd;
5160
5161 txwi->mpdu_density_flags |=
5162 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
5163 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
5164
5165 txwi->bawin_size_xflags |=
5166 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
5167
5168 seqno = ni->ni_txseqs[tid]++;
5169
5170 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
5171
5172 ampdu = 1;
5173 }
5174 else
5175 {
5176 mpdu_density = 0;
5177 bawin_size = 0;
5178 ampdu = 0;
5179 }
5180
5181 /* ask MAC to insert timestamp into probe responses */
5182
5183 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
5184 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
5185 txwi->mpdu_density_flags |=
5186 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
5187
5188 if (ieee80211_radiotap_active_vap(vap))
5189 {
5190 tap = &sc->txtap;
5191
5192 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
5193 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5194 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5195 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5196 tap->chan_maxpow = 0;
5197
5198 if (ni->ni_flags & IEEE80211_NODE_HT)
5199 tap->rate = mcs | IEEE80211_RATE_MCS;
5200 else
5201 tap->rate = rate;
5202
5203 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
5204 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5205
5206 if (shortgi)
5207 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5208
5209 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5210 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5211
5212 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
5213
5214 if (ampdu)
5215 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
5216
5217 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5218 {
5219 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5220
5221 ieee80211_radiotap_tx(vap, m);
5222
5223 wh->i_fc[1] |= IEEE80211_FC1_WEP;
5224 }
5225 else
5226 {
5227 ieee80211_radiotap_tx(vap, m);
5228 }
5229 }
5230
5231 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
5232
5233 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5234 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
5235 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
5236 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d\n",
5237 device_get_nameunit(sc->dev),
5238 qid, hdrsize, hdrspace, m->m_pkthdr.len,
5239 bw, stbc, shortgi, mcs, wcid,
5240 ampdu, mpdu_density, bawin_size, mimops, dmalen);
5241
5242 data->len = dmalen;
5243 data->m = m;
5244 data->ni = ni;
5245
5246 STAILQ_INSERT_TAIL(&ring->pending, data, next);
5247 ring->queued++;
5248
5249 usbd_transfer_start(sc->usb_xfer[1 + qid]);
5250
5251 return 0;
5252 }
5253
5254 /*
5255 * rt2870_tx_raw
5256 */
5257 static int rt2870_tx_raw(struct rt2870_softc *sc,
5258 struct mbuf *m, struct ieee80211_node *ni,
5259 const struct ieee80211_bpf_params *params)
5260 {
5261 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5262 "%s: Tx raw\n",
5263 device_get_nameunit(sc->dev));
5264
5265 return 0;
5266 }
5267
5268 /*
5269 * rt2870_rx_intr
5270 */
5271 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
5272 {
5273 struct rt2870_softc *sc;
5274 struct ifnet *ifp;
5275 struct rt2870_softc_rx_ring *ring;
5276 struct rt2870_softc_rx_data *data;
5277 int len;
5278
5279 sc = usbd_xfer_softc(xfer);
5280 ifp = sc->ifp;
5281 ring = &sc->rx_ring;
5282
5283 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5284 "%s: Rx interrupt: state=%d, error=%s\n",
5285 device_get_nameunit(sc->dev),
5286 USB_GET_STATE(xfer), usbd_errstr(error));
5287
5288 switch (USB_GET_STATE(xfer))
5289 {
5290 case USB_ST_TRANSFERRED:
5291 sc->interrupts++;
5292 sc->rx_interrupts++;
5293
5294 data = STAILQ_FIRST(&ring->active);
5295 if (data == NULL)
5296 goto setup;
5297
5298 STAILQ_REMOVE_HEAD(&ring->active, next);
5299
5300 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
5301
5302 data->len = len;
5303
5304 STAILQ_INSERT_TAIL(&ring->done, data, next);
5305
5306 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5307
5308 /* FALLTHROUGH */
5309
5310 setup:
5311
5312 case USB_ST_SETUP:
5313 data = STAILQ_FIRST(&ring->inactive);
5314 if (data == NULL)
5315 break;
5316
5317 STAILQ_REMOVE_HEAD(&ring->inactive, next);
5318
5319 STAILQ_INSERT_TAIL(&ring->active, data, next);
5320
5321 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
5322 usbd_transfer_submit(xfer);
5323 break;
5324
5325 default:
5326 sc->interrupts++;
5327 sc->rx_interrupts++;
5328
5329 data = STAILQ_FIRST(&ring->active);
5330 if (data != NULL)
5331 {
5332 STAILQ_REMOVE_HEAD(&ring->active, next);
5333 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5334 }
5335
5336 if (error != USB_ERR_CANCELLED)
5337 {
5338 ifp->if_ierrors++;
5339
5340 usbd_xfer_set_stall(xfer);
5341
5342 goto setup;
5343 }
5344 break;
5345 }
5346 }
5347
5348 /*
5349 * rt2870_tx_intr
5350 */
5351 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
5352 {
5353 struct rt2870_softc *sc;
5354 struct ifnet *ifp;
5355 struct rt2870_softc_tx_ring *ring;
5356 struct rt2870_softc_tx_data *data;
5357
5358 sc = usbd_xfer_softc(xfer);
5359 ifp = sc->ifp;
5360 ring = usbd_xfer_get_priv(xfer);
5361
5362 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
5363
5364 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5365 "%s: Tx interrupt: state=%d, error=%s\n",
5366 device_get_nameunit(sc->dev),
5367 USB_GET_STATE(xfer), usbd_errstr(error));
5368
5369 switch (USB_GET_STATE(xfer))
5370 {
5371 case USB_ST_TRANSFERRED:
5372 sc->interrupts++;
5373 sc->tx_interrupts[ring->qid]++;
5374
5375 data = STAILQ_FIRST(&ring->active);
5376 if (data == NULL)
5377 goto setup;
5378
5379 STAILQ_REMOVE_HEAD(&ring->active, next);
5380
5381 STAILQ_INSERT_TAIL(&ring->done, data, next);
5382
5383 sc->tx_qid_pending_mask |= (1 << ring->qid);
5384
5385 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5386
5387 /* FALLTHROUGH */
5388
5389 setup:
5390
5391 case USB_ST_SETUP:
5392 data = STAILQ_FIRST(&ring->pending);
5393 if (data == NULL)
5394 break;
5395
5396 STAILQ_REMOVE_HEAD(&ring->pending, next);
5397 STAILQ_INSERT_TAIL(&ring->active, data, next);
5398
5399 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
5400 usbd_transfer_submit(xfer);
5401
5402 RT2870_SOFTC_UNLOCK(sc);
5403
5404 rt2870_start(ifp);
5405
5406 RT2870_SOFTC_LOCK(sc);
5407 break;
5408
5409 default:
5410 sc->interrupts++;
5411 sc->tx_interrupts[ring->qid]++;
5412
5413 data = STAILQ_FIRST(&ring->active);
5414 if (data != NULL)
5415 {
5416 STAILQ_REMOVE_HEAD(&ring->active, next);
5417
5418 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
5419 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
5420
5421 if (data->m != NULL)
5422 {
5423 m_freem(data->m);
5424 data->m = NULL;
5425 }
5426
5427 if (data->ni != NULL)
5428 {
5429 ieee80211_free_node(data->ni);
5430 data->ni = NULL;
5431 }
5432
5433 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5434
5435 ring->queued--;
5436 }
5437
5438 if (error != USB_ERR_CANCELLED)
5439 {
5440 ifp->if_oerrors++;
5441 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5442
5443 usbd_xfer_set_stall(xfer);
5444
5445 goto setup;
5446 }
5447 break;
5448 }
5449 }
5450
5451 /*
5452 * rt2870_rx_done_task
5453 */
5454 static void rt2870_rx_done_task(void *context, int pending)
5455 {
5456 struct rt2870_softc *sc;
5457 struct ifnet *ifp;
5458
5459 sc = context;
5460 ifp = sc->ifp;
5461
5462 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5463 "%s: Rx done task\n",
5464 device_get_nameunit(sc->dev));
5465
5466 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5467 return;
5468
5469 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
5470 {
5471 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5472 "%s: Rx done task: scheduling again\n",
5473 device_get_nameunit(sc->dev));
5474
5475 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5476 }
5477 }
5478
5479 /*
5480 * rt2870_tx_done_task
5481 */
5482 static void rt2870_tx_done_task(void *context, int pending)
5483 {
5484 struct rt2870_softc *sc;
5485 struct ifnet *ifp;
5486 int i;
5487
5488 sc = context;
5489 ifp = sc->ifp;
5490
5491 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5492 "%s: Tx done task\n",
5493 device_get_nameunit(sc->dev));
5494
5495 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5496 return;
5497
5498 for (i = sc->usb_endpoints - 2; i >= 0; i--)
5499 {
5500 if (sc->tx_qid_pending_mask & (1 << i))
5501 {
5502 sc->tx_qid_pending_mask &= ~(1 << i);
5503
5504 rt2870_tx_eof(sc, &sc->tx_ring[i]);
5505 }
5506 }
5507
5508 if (sc->tx_qid_pending_mask != 0)
5509 {
5510 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5511 "%s: Tx done task: scheduling again\n",
5512 device_get_nameunit(sc->dev));
5513
5514 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5515 }
5516
5517 sc->tx_timer = 0;
5518
5519 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5520 }
5521
5522 /*
5523 * rt2870_periodic_task
5524 */
5525 static void rt2870_periodic_task(void *context, int pending)
5526 {
5527 struct rt2870_softc *sc;
5528 struct ifnet *ifp;
5529 struct ieee80211com *ic;
5530 struct ieee80211vap *vap;
5531
5532 sc = context;
5533 ifp = sc->ifp;
5534 ic = ifp->if_l2com;
5535 vap = TAILQ_FIRST(&ic->ic_vaps);
5536
5537 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5538 "%s: periodic task: round=%lu\n",
5539 device_get_nameunit(sc->dev), sc->periodic_round);
5540
5541 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5542 return;
5543
5544 RT2870_SOFTC_LOCK(sc);
5545
5546 sc->periodic_round++;
5547
5548 rt2870_update_stats(sc);
5549
5550 if ((sc->periodic_round % 10) == 0)
5551 {
5552 rt2870_bbp_tuning(sc);
5553
5554 rt2870_update_raw_counters(sc);
5555
5556 rt2870_watchdog(sc);
5557
5558 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5559 {
5560 if (vap->iv_opmode == IEEE80211_M_STA)
5561 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
5562 else
5563 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
5564 }
5565 }
5566
5567 RT2870_SOFTC_UNLOCK(sc);
5568
5569 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5570 }
5571
5572 /*
5573 * rt2870_cmd_task
5574 */
5575 static void rt2870_cmd_task(void *context, int pending)
5576 {
5577 struct rt2870_softc *sc;
5578 struct rt2870_softc_cmd_ring *ring;
5579 struct rt2870_softc_cmd *cmd;
5580
5581 sc = context;
5582 ring = &sc->cmd_ring;
5583
5584 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
5585 return;
5586
5587 while (1)
5588 {
5589 RT2870_SOFTC_LOCK(sc);
5590
5591 cmd = STAILQ_FIRST(&ring->active);
5592 if (cmd == NULL)
5593 {
5594 RT2870_SOFTC_UNLOCK(sc);
5595 break;
5596 }
5597
5598 STAILQ_REMOVE_HEAD(&ring->active, next);
5599
5600 RT2870_SOFTC_UNLOCK(sc);
5601
5602 cmd->cb(sc, cmd->data);
5603
5604 RT2870_SOFTC_LOCK(sc);
5605
5606 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5607 ring->queued--;
5608
5609 RT2870_SOFTC_UNLOCK(sc);
5610 }
5611 }
5612
5613 /*
5614 * rt2870_rx_eof
5615 */
5616 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5617 {
5618 struct ifnet *ifp;
5619 struct rt2870_softc_rx_ring *ring;
5620 struct rt2870_softc_rx_data *data;
5621 uint32_t dmalen;
5622 uint8_t *buf;
5623 int nframes, len;
5624
5625 ifp = sc->ifp;
5626 ring = &sc->rx_ring;
5627
5628 nframes = 0;
5629
5630 while (limit != 0)
5631 {
5632 RT2870_SOFTC_LOCK(sc);
5633
5634 data = STAILQ_FIRST(&ring->done);
5635 if (data == NULL)
5636 {
5637 RT2870_SOFTC_UNLOCK(sc);
5638 break;
5639 }
5640
5641 STAILQ_REMOVE_HEAD(&ring->done, next);
5642
5643 RT2870_SOFTC_UNLOCK(sc);
5644
5645 buf = data->buf;
5646 len = data->len;
5647
5648 if (len < RT2870_RX_DESC_SIZE)
5649 {
5650 ifp->if_ierrors++;
5651 goto skip;
5652 }
5653
5654 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5655 {
5656 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5657
5658 if (dmalen == 0 || (dmalen & 3) != 0)
5659 {
5660 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5661 "%s: bad DMA len=%u\n",
5662 device_get_nameunit(sc->dev), dmalen);
5663 goto skip;
5664 }
5665
5666 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5667 {
5668 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5669 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5670 device_get_nameunit(sc->dev),
5671 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5672 goto skip;
5673 }
5674
5675 nframes++;
5676
5677 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5678
5679 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5680 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5681 }
5682
5683 skip:
5684
5685 RT2870_SOFTC_LOCK(sc);
5686
5687 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5688
5689 usbd_transfer_start(sc->usb_xfer[0]);
5690
5691 RT2870_SOFTC_UNLOCK(sc);
5692
5693 limit--;
5694 }
5695
5696 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5697 "%s: Rx eof: nframes=%d\n",
5698 device_get_nameunit(sc->dev), nframes);
5699
5700 sc->rx_packets += nframes;
5701
5702 return (limit == 0);
5703 }
5704
5705 /*
5706 * rt2870_tx_eof
5707 */
5708 static void rt2870_tx_eof(struct rt2870_softc *sc,
5709 struct rt2870_softc_tx_ring *ring)
5710 {
5711 struct ifnet *ifp;
5712 struct rt2870_softc_tx_data *data;
5713 int nframes;
5714
5715 ifp = sc->ifp;
5716
5717 nframes = 0;
5718
5719 while (1)
5720 {
5721 RT2870_SOFTC_LOCK(sc);
5722
5723 data = STAILQ_FIRST(&ring->done);
5724 if (data == NULL)
5725 {
5726 RT2870_SOFTC_UNLOCK(sc);
5727 break;
5728 }
5729
5730 STAILQ_REMOVE_HEAD(&ring->done, next);
5731
5732 rt2870_drain_fifo_stats(sc);
5733
5734 RT2870_SOFTC_UNLOCK(sc);
5735
5736 nframes++;
5737
5738 if (data->m->m_flags & M_TXCB)
5739 ieee80211_process_callback(data->ni, data->m, 0);
5740
5741 m_freem(data->m);
5742
5743 ieee80211_free_node(data->ni);
5744
5745 data->m = NULL;
5746 data->ni = NULL;
5747
5748 RT2870_SOFTC_LOCK(sc);
5749
5750 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5751
5752 ring->queued--;
5753 ifp->if_opackets++;
5754
5755 RT2870_SOFTC_UNLOCK(sc);
5756 }
5757
5758 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5759 "%s: Tx eof: qid=%d, nframes=%d\n",
5760 device_get_nameunit(sc->dev), ring->qid, nframes);
5761 }
5762
5763 /*
5764 * rt2870_update_stats
5765 */
5766 static void rt2870_update_stats(struct rt2870_softc *sc)
5767 {
5768 struct ifnet *ifp;
5769 struct ieee80211com *ic;
5770 uint32_t stacnt[3];
5771 int beacons, noretryok, retryok, failed, underflows, zerolen;
5772
5773 ifp = sc->ifp;
5774 ic = ifp->if_l2com;
5775
5776 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5777 "%s: update statistic\n",
5778 device_get_nameunit(sc->dev));
5779
5780 rt2870_drain_fifo_stats(sc);
5781
5782 /* read and clear Tx statistic registers */
5783
5784 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5785 stacnt, sizeof(stacnt));
5786
5787 stacnt[0] = le32toh(stacnt[0]);
5788 stacnt[1] = le32toh(stacnt[1]);
5789 stacnt[2] = le32toh(stacnt[2]);
5790
5791 beacons = stacnt[0] >> 16;
5792 noretryok = stacnt[1] & 0xffff;
5793 retryok = stacnt[1] >> 16;
5794 failed = stacnt[0] & 0xffff;
5795 underflows = stacnt[2] >> 16;
5796 zerolen = stacnt[2] & 0xffff;
5797
5798 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5799 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5800 device_get_nameunit(sc->dev),
5801 beacons, noretryok, retryok, failed, underflows, zerolen);
5802
5803 ifp->if_oerrors += failed;
5804
5805 sc->tx_beacons += beacons;
5806 sc->tx_noretryok += noretryok;
5807 sc->tx_retryok += retryok;
5808 sc->tx_failed += failed;
5809 sc->tx_underflows += underflows;
5810 sc->tx_zerolen += zerolen;
5811 }
5812
5813 /*
5814 * rt2870_bbp_tuning
5815 */
5816 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5817 {
5818 struct ifnet *ifp;
5819 struct ieee80211com *ic;
5820 struct ieee80211vap *vap;
5821 struct ieee80211_node *ni;
5822 int chan, group;
5823 int8_t rssi, old, new;
5824
5825 /* RT2860C does not support BBP tuning */
5826
5827 if (sc->mac_rev == 0x28600100)
5828 return;
5829
5830 ifp = sc->ifp;
5831 ic = ifp->if_l2com;
5832 vap = TAILQ_FIRST(&ic->ic_vaps);
5833
5834 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5835 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5836 return;
5837
5838 ni = vap->iv_bss;
5839
5840 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5841
5842 if (chan <= 14)
5843 group = 0;
5844 else if (chan <= 64)
5845 group = 1;
5846 else if (chan <= 128)
5847 group = 2;
5848 else
5849 group = 3;
5850
5851 rssi = ieee80211_getrssi(vap);
5852
5853 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5854 {
5855 new = 0x2e + sc->lna_gain[group];
5856 }
5857 else
5858 {
5859 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5860 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5861 else
5862 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5863 }
5864
5865 /* Tune if absolute average RSSI is greater than -80 */
5866
5867 if (rssi > 30)
5868 new += 0x10;
5869
5870 old = rt2870_io_bbp_read(sc, 66);
5871
5872 if (old != new)
5873 rt2870_io_bbp_write(sc, 66, new);
5874 }
5875
5876 /*
5877 * rt2870_watchdog
5878 */
5879 static void rt2870_watchdog(struct rt2870_softc *sc)
5880 {
5881 uint32_t tmp;
5882 int ntries;
5883
5884 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5885
5886 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5887 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5888 device_get_nameunit(sc->dev), tmp);
5889
5890 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5891 {
5892 sc->tx_queue_not_empty[0]++;
5893
5894 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5895
5896 for (ntries = 0; ntries < 10; ntries++)
5897 {
5898 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5899 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5900 break;
5901
5902 DELAY(1);
5903 }
5904
5905 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5906 }
5907
5908 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5909 {
5910 sc->tx_queue_not_empty[1]++;
5911
5912 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5913
5914 for (ntries = 0; ntries < 10; ntries++)
5915 {
5916 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5917 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5918 break;
5919
5920 DELAY(1);
5921 }
5922
5923 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5924 }
5925 }
5926
5927 /*
5928 * rt2870_drain_fifo_stats
5929 */
5930 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5931 {
5932 struct ifnet *ifp;
5933 uint32_t stats;
5934 uint8_t wcid, mcs, pid;
5935 int ok, agg, retrycnt;
5936
5937 ifp = sc->ifp;
5938
5939 /* drain Tx status FIFO (maxsize = 16) */
5940
5941 while ((sc->flags & RT2870_SOFTC_FLAGS_VALID) &&
5942 ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5943 RT2870_REG_TX_STA_FIFO_VALID))
5944 {
5945 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5946 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5947
5948 /* if no ACK was requested, no feedback is available */
5949
5950 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2870_WCID_RESERVED)
5951 continue;
5952
5953 /* update AMRR statistic */
5954
5955 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5956 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5957 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5958 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5959 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5960 RT2870_REG_TX_STA_FIFO_PID_MASK;
5961 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
5962
5963 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5964 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5965 device_get_nameunit(sc->dev),
5966 wcid, ok, agg, mcs, pid, retrycnt);
5967
5968 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5969
5970 if (!ok)
5971 ifp->if_oerrors++;
5972 }
5973 }
5974
5975 /*
5976 * rt2870_update_raw_counters
5977 */
5978 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5979 {
5980 uint32_t tmp;
5981
5982 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5983
5984 sc->tx_nonagg += tmp & 0xffff;
5985 sc->tx_agg += tmp >> 16;
5986
5987 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5988
5989 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5990
5991 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5992
5993 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5994
5995 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5996
5997 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5998
5999 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
6000
6001 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6002
6003 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
6004
6005 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6006
6007 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
6008
6009 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6010
6011 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
6012
6013 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6014
6015 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
6016
6017 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6018
6019 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
6020
6021 sc->rx_crc_errors += tmp & 0xffff;
6022 sc->rx_phy_errors += tmp >> 16;
6023
6024 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
6025
6026 sc->rx_false_ccas += tmp & 0xffff;
6027 sc->rx_plcp_errors += tmp >> 16;
6028
6029 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
6030
6031 sc->rx_dup_packets += tmp & 0xffff;
6032 sc->rx_fifo_overflows += tmp >> 16;
6033
6034 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
6035
6036 sc->tx_mpdu_zero_density += tmp & 0xffff;
6037 sc->rx_mpdu_zero_density += tmp >> 16;
6038 }
6039
6040 /*
6041 * rt2870_txrx_enable
6042 */
6043 static int rt2870_txrx_enable(struct rt2870_softc *sc)
6044 {
6045 struct ieee80211com *ic;
6046 struct ifnet *ifp;
6047 uint32_t tmp;
6048 int ntries;
6049
6050 ifp = sc->ifp;
6051 ic = ifp->if_l2com;
6052
6053 /* enable Tx/Rx DMA engine */
6054
6055 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
6056
6057 tmp &= 0xffffff00;
6058 tmp |= 0x1e;
6059
6060 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
6061
6062 if ((sc->mac_rev & 0xffff) != 0x0101)
6063 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
6064
6065 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
6066
6067 for (ntries = 0; ntries < 200; ntries++)
6068 {
6069 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
6070 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
6071 break;
6072
6073 DELAY(1000);
6074 }
6075
6076 if (ntries == 200)
6077 {
6078 printf("%s: timeout waiting for DMA engine\n",
6079 device_get_nameunit(sc->dev));
6080 return -1;
6081 }
6082
6083 DELAY(50);
6084
6085 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
6086 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
6087 (48 << 16) | 96);
6088
6089 tmp |= RT2870_REG_TX_WB_DDONE |
6090 RT2870_REG_RX_DMA_ENABLE |
6091 RT2870_REG_TX_DMA_ENABLE;
6092
6093 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6094
6095 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
6096 RT2870_REG_USB_DMA_RX_ENABLE |
6097 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
6098 /* Rx agg limit in unit of 1024 byte */
6099 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
6100 /* Rx agg timeout in unit of 33ns */
6101 0x80;
6102
6103 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
6104
6105 /* set Rx filter */
6106
6107 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
6108 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
6109
6110 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6111 {
6112 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
6113 RT2870_REG_RX_FILTER_DROP_CTS |
6114 RT2870_REG_RX_FILTER_DROP_BA |
6115 RT2870_REG_RX_FILTER_DROP_ACK |
6116 RT2870_REG_RX_FILTER_DROP_VER_ERR |
6117 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
6118 RT2870_REG_RX_FILTER_DROP_CFACK |
6119 RT2870_REG_RX_FILTER_DROP_CFEND;
6120
6121 if (ic->ic_opmode == IEEE80211_M_STA)
6122 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
6123 RT2870_REG_RX_FILTER_DROP_PSPOLL;
6124
6125 if (!(ifp->if_flags & IFF_PROMISC))
6126 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
6127 }
6128
6129 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
6130
6131 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
6132 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
6133
6134 return 0;
6135 }
6136
6137 /*
6138 * rt2870_alloc_rx_ring
6139 */
6140 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
6141 struct rt2870_softc_rx_ring *ring)
6142 {
6143 struct rt2870_softc_rx_data *data;
6144 int i, error;
6145
6146 STAILQ_INIT(&ring->inactive);
6147 STAILQ_INIT(&ring->active);
6148 STAILQ_INIT(&ring->done);
6149
6150 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6151 {
6152 data = &ring->data[i];
6153
6154 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
6155 if (data->buf == NULL)
6156 {
6157 printf("%s: could not allocate Rx buffer\n",
6158 device_get_nameunit(sc->dev));
6159 error = ENOMEM;
6160 goto fail;
6161 }
6162
6163 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6164 }
6165
6166 return 0;
6167
6168 fail:
6169
6170 rt2870_free_rx_ring(sc, ring);
6171
6172 return error;
6173 }
6174
6175 /*
6176 * rt2870_reset_rx_ring
6177 */
6178 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
6179 struct rt2870_softc_rx_ring *ring)
6180 {
6181 struct rt2870_softc_rx_data *data;
6182 int i;
6183
6184 STAILQ_INIT(&ring->inactive);
6185 STAILQ_INIT(&ring->active);
6186 STAILQ_INIT(&ring->done);
6187
6188 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6189 {
6190 data = &ring->data[i];
6191
6192 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6193 }
6194 }
6195
6196 /*
6197 * rt2870_free_rx_ring
6198 */
6199 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
6200 struct rt2870_softc_rx_ring *ring)
6201 {
6202 struct rt2870_softc_rx_data *data;
6203 int i;
6204
6205 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6206 {
6207 data = &ring->data[i];
6208
6209 if (data->buf != NULL)
6210 {
6211 free(data->buf, M_USBDEV);
6212 data->buf = NULL;
6213 }
6214 }
6215 }
6216
6217 /*
6218 * rt2870_alloc_tx_ring
6219 */
6220 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
6221 struct rt2870_softc_tx_ring *ring, int qid)
6222 {
6223 struct rt2870_softc_tx_data *data;
6224 int i, error;
6225
6226 STAILQ_INIT(&ring->inactive);
6227 STAILQ_INIT(&ring->pending);
6228 STAILQ_INIT(&ring->active);
6229 STAILQ_INIT(&ring->done);
6230
6231 ring->queued = 0;
6232 ring->qid = qid;
6233
6234 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6235 {
6236 data = &ring->data[i];
6237
6238 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
6239 if (data->buf == NULL)
6240 {
6241 printf("%s: could not allocate Tx buffer\n",
6242 device_get_nameunit(sc->dev));
6243 error = ENOMEM;
6244 goto fail;
6245 }
6246
6247 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
6248
6249 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6250 }
6251
6252 return 0;
6253
6254 fail:
6255
6256 rt2870_free_tx_ring(sc, ring);
6257
6258 return error;
6259 }
6260
6261 /*
6262 * rt2870_reset_tx_ring
6263 */
6264 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
6265 struct rt2870_softc_tx_ring *ring)
6266 {
6267 struct rt2870_softc_tx_data *data;
6268 int i;
6269
6270 STAILQ_INIT(&ring->inactive);
6271 STAILQ_INIT(&ring->pending);
6272 STAILQ_INIT(&ring->active);
6273 STAILQ_INIT(&ring->done);
6274
6275 ring->queued = 0;
6276
6277 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6278 {
6279 data = &ring->data[i];
6280
6281 if (data->m != NULL)
6282 {
6283 m_free(data->m);
6284 data->m = NULL;
6285 }
6286
6287 if (data->ni != NULL)
6288 {
6289 ieee80211_free_node(data->ni);
6290 data->ni = NULL;
6291 }
6292
6293 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6294 }
6295 }
6296
6297 /*
6298 * rt2870_free_tx_ring
6299 */
6300 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
6301 struct rt2870_softc_tx_ring *ring)
6302 {
6303 struct rt2870_softc_tx_data *data;
6304 int i;
6305
6306 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6307 {
6308 data = &ring->data[i];
6309
6310 if (data->buf != NULL)
6311 {
6312 free(data->buf, M_USBDEV);
6313 data->buf = NULL;
6314 }
6315
6316 if (data->m != NULL)
6317 {
6318 m_free(data->m);
6319 data->m = NULL;
6320 }
6321
6322 if (data->ni != NULL)
6323 {
6324 ieee80211_free_node(data->ni);
6325 data->ni = NULL;
6326 }
6327 }
6328 }
6329
6330 /*
6331 * rt2870_reset_cmd_ring
6332 */
6333 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
6334 struct rt2870_softc_cmd_ring *ring)
6335 {
6336 struct rt2870_softc_cmd *cmd;
6337 int i;
6338
6339 STAILQ_INIT(&ring->inactive);
6340 STAILQ_INIT(&ring->active);
6341
6342 ring->queued = 0;
6343
6344 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
6345 {
6346 cmd = &ring->cmd[i];
6347
6348 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
6349 }
6350 }
6351
6352 /*
6353 * rt2870_sysctl_attach
6354 */
6355 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
6356 {
6357 struct sysctl_ctx_list *ctx;
6358 struct sysctl_oid *tree;
6359 struct sysctl_oid *stats;
6360
6361 ctx = device_get_sysctl_ctx(sc->dev);
6362 tree = device_get_sysctl_tree(sc->dev);
6363
6364 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6365 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6366 "Tx STBC");
6367
6368 /* statistic counters */
6369
6370 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6371 "stats", CTLFLAG_RD, 0, "statistic");
6372
6373 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6374 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6375 "all interrupts");
6376
6377 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6378 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6379 "Rx interrupts");
6380
6381 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6382 {
6383 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6384 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6385 "Tx MGMT interrupts");
6386
6387 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6388 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6389 "Tx HCCA interrupts");
6390 }
6391
6392 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6393 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6394 "Tx AC3 interrupts");
6395
6396 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6397 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6398 "Tx AC2 interrupts");
6399
6400 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6401 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6402 "Tx AC1 interrupts");
6403
6404 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6405 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6406 "Tx AC0 interrupts");
6407
6408 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6409 {
6410 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6411 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
6412 "Tx MGMT data queued");
6413
6414 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6415 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
6416 "Tx HCCA data queued");
6417 }
6418
6419 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6420 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
6421 "Tx AC3 data queued");
6422
6423 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6424 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
6425 "Tx AC2 data queued");
6426
6427 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6428 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
6429 "Tx AC1 data queued");
6430
6431 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6432 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
6433 "Tx AC0 data queued");
6434
6435 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6436 {
6437 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6438 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6439 "Tx MGMT data queue full");
6440
6441 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6442 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6443 "Tx HCCA data queue full");
6444 }
6445
6446 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6447 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6448 "Tx AC3 data queue full");
6449
6450 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6451 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6452 "Tx AC2 data queue full");
6453
6454 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6455 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6456 "Tx AC1 data queue full");
6457
6458 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6459 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6460 "Tx AC0 data queue full");
6461
6462 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6463 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6464 "Tx watchdog timeouts");
6465
6466 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6467 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6468 "Rx mbuf allocation errors");
6469
6470 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6471 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6472 "Tx queue 0 not empty");
6473
6474 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6475 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6476 "Tx queue 1 not empty");
6477
6478 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6479 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6480 "Tx beacons");
6481
6482 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6483 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6484 "Tx successfull without retries");
6485
6486 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6487 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6488 "Tx successfull with retries");
6489
6490 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6491 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6492 "Tx failed");
6493
6494 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6495 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6496 "Tx underflows");
6497
6498 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6499 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6500 "Tx zero length");
6501
6502 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6503 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6504 "Tx non-aggregated");
6505
6506 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6507 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6508 "Tx aggregated");
6509
6510 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6511 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6512 "Tx A-MPDU");
6513
6514 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6515 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6516 "Tx MPDU with zero density");
6517
6518 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6519 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6520 "Tx A-MPDU sessions");
6521
6522 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6523 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6524 "Rx packets");
6525
6526 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6527 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6528 "Rx A-MPDU");
6529
6530 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6531 "rx_ampdu_retries", CTLFLAG_RD, &sc->rx_ampdu_retries, 0,
6532 "Rx A-MPDU retries");
6533
6534 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6535 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6536 "Rx MPDU with zero density");
6537
6538 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6539 "rx_ampdu_sessions", CTLFLAG_RD, &sc->rx_ampdu_sessions, 0,
6540 "Rx A-MPDU sessions");
6541
6542 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6543 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6544 "Rx A-MSDU");
6545
6546 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6547 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6548 "Rx CRC errors");
6549
6550 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6551 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6552 "Rx PHY errors");
6553
6554 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6555 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6556 "Rx false CCAs");
6557
6558 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6559 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6560 "Rx PLCP errors");
6561
6562 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6563 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6564 "Rx duplicate packets");
6565
6566 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6567 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6568 "Rx FIFO overflows");
6569
6570 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6571 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6572 "Rx cipher no errors");
6573
6574 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6575 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6576 "Rx cipher ICV errors");
6577
6578 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6579 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6580 "Rx cipher MIC errors");
6581
6582 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6583 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6584 "Rx cipher invalid key errors");
6585 }
6586
6587 static device_method_t rt2870_dev_methods[] =
6588 {
6589 DEVMETHOD(device_probe, rt2870_probe),
6590 DEVMETHOD(device_attach, rt2870_attach),
6591 DEVMETHOD(device_detach, rt2870_detach),
6592 { 0, 0 }
6593 };
6594
6595 static driver_t rt2870_driver =
6596 {
6597 "rt2870",
6598 rt2870_dev_methods,
6599 sizeof(struct rt2870_softc),
6600 };
6601
6602 static devclass_t rt2870_dev_class;
6603
6604 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6605 NULL, 0);
6606
6607 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6608 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870