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Check if device is valid before running async commands
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blob02e15ca9dab9c88d0f40a59bb9341e9ae73e4f89
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 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1612 }
1613
1614 /*
1615 * rt2870_stop
1616 */
1617 static void rt2870_stop(void *priv)
1618 {
1619 struct rt2870_softc *sc;
1620
1621 sc = priv;
1622
1623 RT2870_SOFTC_LOCK(sc);
1624
1625 rt2870_stop_locked(sc);
1626
1627 RT2870_SOFTC_UNLOCK(sc);
1628 }
1629
1630 /*
1631 * rt2870_start
1632 */
1633 static void rt2870_start(struct ifnet *ifp)
1634 {
1635 struct rt2870_softc *sc;
1636 struct ieee80211_node *ni;
1637 struct mbuf *m;
1638 int qid;
1639
1640 sc = ifp->if_softc;
1641
1642 RT2870_SOFTC_LOCK(sc);
1643
1644 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1645 {
1646 RT2870_SOFTC_UNLOCK(sc);
1647 return;
1648 }
1649
1650 for (;;)
1651 {
1652 IF_POLL(&ifp->if_snd, m);
1653 if (m == NULL)
1654 break;
1655
1656 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1657
1658 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1659
1660 qid = M_WME_GETAC(m);
1661
1662 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1663 {
1664 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1665 "%s: if_start: Tx ring with qid=%d is full\n",
1666 device_get_nameunit(sc->dev), qid);
1667
1668 m_freem(m);
1669 ieee80211_free_node(ni);
1670
1671 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1672 ifp->if_oerrors++;
1673
1674 sc->tx_data_queue_full[qid]++;
1675
1676 break;
1677 }
1678
1679 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1680 {
1681 ieee80211_free_node(ni);
1682 ifp->if_oerrors++;
1683 break;
1684 }
1685
1686 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1687
1688 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1689 }
1690
1691 RT2870_SOFTC_UNLOCK(sc);
1692 }
1693
1694 /*
1695 * rt2870_ioctl
1696 */
1697 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1698 {
1699 struct rt2870_softc *sc;
1700 struct ieee80211com *ic;
1701 struct ifreq *ifr;
1702 int error, startall;
1703
1704 sc = ifp->if_softc;
1705 ic = ifp->if_l2com;
1706 ifr = (struct ifreq *) data;
1707
1708 error = 0;
1709
1710 switch (cmd)
1711 {
1712 case SIOCSIFFLAGS:
1713 startall = 0;
1714
1715 RT2870_SOFTC_LOCK(sc);
1716
1717 if (ifp->if_flags & IFF_UP)
1718 {
1719 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1720 {
1721 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1722 rt2870_asic_update_promisc(sc);
1723 }
1724 else
1725 {
1726 rt2870_init_locked(sc);
1727 startall = 1;
1728 }
1729 }
1730 else
1731 {
1732 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1733 rt2870_stop_locked(sc);
1734 }
1735
1736 sc->if_flags = ifp->if_flags;
1737
1738 RT2870_SOFTC_UNLOCK(sc);
1739
1740 if (startall)
1741 ieee80211_start_all(ic);
1742 break;
1743
1744 case SIOCGIFMEDIA:
1745 case SIOCSIFMEDIA:
1746 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1747 break;
1748
1749 case SIOCGIFADDR:
1750 error = ether_ioctl(ifp, cmd, data);
1751 break;
1752
1753 default:
1754 error = EINVAL;
1755 break;
1756 }
1757
1758 return error;
1759 }
1760
1761 /*
1762 * rt2870_vap_create
1763 */
1764 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1765 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1766 const uint8_t bssid[IEEE80211_ADDR_LEN],
1767 const uint8_t mac[IEEE80211_ADDR_LEN])
1768 {
1769 struct rt2870_softc *sc;
1770 struct ifnet *ifp;
1771 struct rt2870_softc_vap *rvap;
1772 struct ieee80211vap *vap;
1773
1774 ifp = ic->ic_ifp;
1775 sc = ifp->if_softc;
1776
1777 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1778 "%s: VAP create: opmode=%s\n",
1779 device_get_nameunit(sc->dev),
1780 ieee80211_opmode_name[opmode]);
1781
1782 switch (opmode)
1783 {
1784 case IEEE80211_M_IBSS:
1785 case IEEE80211_M_STA:
1786 case IEEE80211_M_AHDEMO:
1787 case IEEE80211_M_HOSTAP:
1788 case IEEE80211_M_MBSS:
1789 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1790 {
1791 if_printf(ifp, "only 1 VAP supported\n");
1792 return NULL;
1793 }
1794
1795 if (opmode == IEEE80211_M_STA)
1796 flags |= IEEE80211_CLONE_NOBEACONS;
1797 break;
1798
1799 case IEEE80211_M_WDS:
1800 if (sc->napvaps == 0)
1801 {
1802 if_printf(ifp, "WDS only supported in AP mode\n");
1803 return NULL;
1804 }
1805 break;
1806
1807 case IEEE80211_M_MONITOR:
1808 break;
1809
1810 default:
1811 if_printf(ifp, "unknown opmode %d\n", opmode);
1812 return NULL;
1813 }
1814
1815 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1816 M_80211_VAP, M_NOWAIT | M_ZERO);
1817 if (rvap == NULL)
1818 return NULL;
1819
1820 vap = &rvap->vap;
1821
1822 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1823
1824 rvap->newstate = vap->iv_newstate;
1825 vap->iv_newstate = rt2870_vap_newstate;
1826
1827 vap->iv_reset = rt2870_vap_reset;
1828 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1829 vap->iv_key_update_end = rt2870_vap_key_update_end;
1830 vap->iv_key_set = rt2870_vap_key_set;
1831 vap->iv_key_delete = rt2870_vap_key_delete;
1832 vap->iv_update_beacon = rt2870_vap_update_beacon;
1833
1834 rt2870_amrr_init(&rvap->amrr, vap,
1835 sc->ntxpath,
1836 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1837 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1838 500);
1839
1840 vap->iv_max_aid = RT2870_SOFTC_STAID_COUNT;
1841
1842 /* override default Rx A-MPDU factor */
1843
1844 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1845 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1846 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1847
1848 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1849
1850 switch (vap->iv_opmode)
1851 {
1852 case IEEE80211_M_HOSTAP:
1853 case IEEE80211_M_MBSS:
1854 case IEEE80211_M_AHDEMO:
1855 sc->napvaps++;
1856 break;
1857
1858 case IEEE80211_M_IBSS:
1859 sc->nadhocvaps++;
1860 break;
1861
1862 case IEEE80211_M_STA:
1863 sc->nstavaps++;
1864 break;
1865
1866 case IEEE80211_M_WDS:
1867 sc->nwdsvaps++;
1868 break;
1869
1870 default:
1871 break;
1872 }
1873
1874 sc->nvaps++;
1875
1876 if (sc->napvaps > 0)
1877 ic->ic_opmode = IEEE80211_M_HOSTAP;
1878 else if (sc->nadhocvaps > 0)
1879 ic->ic_opmode = IEEE80211_M_IBSS;
1880 else if (sc->nstavaps > 0)
1881 ic->ic_opmode = IEEE80211_M_STA;
1882 else
1883 ic->ic_opmode = opmode;
1884
1885 return vap;
1886 }
1887
1888 /*
1889 * rt2870_vap_delete
1890 */
1891 static void rt2870_vap_delete(struct ieee80211vap *vap)
1892 {
1893 struct rt2870_softc *sc;
1894 struct ieee80211com *ic;
1895 struct ifnet *ifp;
1896 struct rt2870_softc_vap *rvap;
1897 enum ieee80211_opmode opmode;
1898
1899 ic = vap->iv_ic;
1900 ifp = ic->ic_ifp;
1901 sc = ifp->if_softc;
1902 rvap = (struct rt2870_softc_vap *) vap;
1903 opmode = vap->iv_opmode;
1904
1905 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1906 "%s: VAP delete: opmode=%s\n",
1907 device_get_nameunit(sc->dev),
1908 ieee80211_opmode_name[opmode]);
1909
1910 rt2870_amrr_cleanup(&rvap->amrr);
1911
1912 ieee80211_vap_detach(vap);
1913
1914 if (rvap->beacon_mbuf != NULL)
1915 {
1916 m_free(rvap->beacon_mbuf);
1917 rvap->beacon_mbuf = NULL;
1918 }
1919
1920 switch (opmode)
1921 {
1922 case IEEE80211_M_HOSTAP:
1923 case IEEE80211_M_MBSS:
1924 case IEEE80211_M_AHDEMO:
1925 sc->napvaps--;
1926 break;
1927
1928 case IEEE80211_M_IBSS:
1929 sc->nadhocvaps--;
1930 break;
1931
1932 case IEEE80211_M_STA:
1933 sc->nstavaps--;
1934 break;
1935
1936 case IEEE80211_M_WDS:
1937 sc->nwdsvaps--;
1938 break;
1939
1940 default:
1941 break;
1942 }
1943
1944 sc->nvaps--;
1945
1946 if (sc->napvaps > 0)
1947 ic->ic_opmode = IEEE80211_M_HOSTAP;
1948 else if (sc->nadhocvaps > 0)
1949 ic->ic_opmode = IEEE80211_M_IBSS;
1950 else if (sc->nstavaps > 0)
1951 ic->ic_opmode = IEEE80211_M_STA;
1952
1953 free(rvap, M_80211_VAP);
1954 }
1955
1956 /*
1957 * rt2870_reset_vap
1958 */
1959 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1960 {
1961 struct rt2870_softc *sc;
1962 struct ieee80211com *ic;
1963 struct ifnet *ifp;
1964 struct rt2870_softc_vap *rvap;
1965 int error;
1966
1967 ic = vap->iv_ic;
1968 ifp = ic->ic_ifp;
1969 sc = ifp->if_softc;
1970 rvap = (struct rt2870_softc_vap *) vap;
1971
1972 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1973 "%s: VAP reset: cmd=%lu\n",
1974 device_get_nameunit(sc->dev), cmd);
1975
1976 error = 0;
1977
1978 RT2870_SOFTC_LOCK(sc);
1979
1980 switch (cmd)
1981 {
1982 case IEEE80211_IOC_RTSTHRESHOLD:
1983 case IEEE80211_IOC_AMSDU:
1984 rt2870_asic_update_rtsthreshold(sc);
1985 break;
1986
1987 case IEEE80211_IOC_PROTMODE:
1988 case IEEE80211_IOC_HTPROTMODE:
1989 rt2870_asic_updateprot(sc);
1990 break;
1991
1992 case IEEE80211_IOC_TXPOWER:
1993 rt2870_asic_update_txpower(sc);
1994 break;
1995
1996 case IEEE80211_IOC_BURST:
1997 rt2870_asic_updateslot(sc);
1998 break;
1999
2000 case IEEE80211_IOC_SHORTGI:
2001 case IEEE80211_IOC_AMPDU_DENSITY:
2002 case IEEE80211_IOC_SMPS:
2003 break;
2004
2005 default:
2006 error = ENETRESET;
2007 break;
2008 }
2009
2010 RT2870_SOFTC_UNLOCK(sc);
2011
2012 return error;
2013 }
2014
2015 /*
2016 * rt2870_vap_newstate
2017 */
2018 static int rt2870_vap_newstate(struct ieee80211vap *vap,
2019 enum ieee80211_state nstate, int arg)
2020 {
2021 struct rt2870_softc *sc;
2022 struct ieee80211com *ic;
2023 struct ifnet *ifp;
2024 struct rt2870_softc_vap *rvap;
2025 struct ieee80211_node *ni;
2026 int error;
2027
2028 ic = vap->iv_ic;
2029 ifp = ic->ic_ifp;
2030 sc = ifp->if_softc;
2031 rvap = (struct rt2870_softc_vap *) vap;
2032
2033 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2034 "%s: VAP newstate: %s -> %s\n",
2035 device_get_nameunit(sc->dev),
2036 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
2037
2038 error = rvap->newstate(vap, nstate, arg);
2039 if (error != 0)
2040 return error;
2041
2042 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2043 return error;
2044
2045 IEEE80211_UNLOCK(ic);
2046
2047 RT2870_SOFTC_LOCK(sc);
2048
2049 /* turn link LED off */
2050
2051 if (nstate != IEEE80211_S_RUN)
2052 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2053
2054 switch (nstate)
2055 {
2056 case IEEE80211_S_INIT:
2057 rt2870_asic_disable_tsf_sync(sc);
2058 break;
2059
2060 case IEEE80211_S_RUN:
2061 ni = vap->iv_bss;
2062
2063 rt2870_rf_set_chan(sc, ni->ni_chan);
2064
2065 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2066 {
2067 rt2870_asic_enable_mrr(sc);
2068 rt2870_asic_set_txpreamble(sc);
2069 rt2870_asic_set_basicrates(sc);
2070 rt2870_asic_update_txpower(sc);
2071 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2072 }
2073
2074 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2075 vap->iv_opmode == IEEE80211_M_IBSS ||
2076 vap->iv_opmode == IEEE80211_M_MBSS)
2077 {
2078 error = rt2870_beacon_alloc(sc, vap);
2079 if (error != 0)
2080 break;
2081
2082 rt2870_asic_update_beacon(sc, vap);
2083 }
2084
2085 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2086 rt2870_asic_enable_tsf_sync(sc);
2087
2088 /* turn link LED on */
2089
2090 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2091 {
2092 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2093 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2094 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2095 }
2096 break;
2097
2098 default:
2099 break;
2100 }
2101
2102 RT2870_SOFTC_UNLOCK(sc);
2103
2104 IEEE80211_LOCK(ic);
2105
2106 return error;
2107 }
2108
2109 /*
2110 * rt2870_vap_key_update_begin
2111 */
2112 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
2113 {
2114 struct rt2870_softc *sc;
2115 struct ieee80211com *ic;
2116 struct ifnet *ifp;
2117
2118 ic = vap->iv_ic;
2119 ifp = ic->ic_ifp;
2120 sc = ifp->if_softc;
2121
2122 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2123 "%s: VAP key update begin\n",
2124 device_get_nameunit(sc->dev));
2125
2126 taskqueue_block(sc->taskqueue);
2127
2128 IF_LOCK(&ifp->if_snd);
2129 }
2130
2131 /*
2132 * rt2870_vap_key_update_end
2133 */
2134 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
2135 {
2136 struct rt2870_softc *sc;
2137 struct ieee80211com *ic;
2138 struct ifnet *ifp;
2139
2140 ic = vap->iv_ic;
2141 ifp = ic->ic_ifp;
2142 sc = ifp->if_softc;
2143
2144 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2145 "%s: VAP key update end\n",
2146 device_get_nameunit(sc->dev));
2147
2148 IF_UNLOCK(&ifp->if_snd);
2149
2150 taskqueue_unblock(sc->taskqueue);
2151 }
2152
2153 /*
2154 * rt2870_vap_key_set
2155 */
2156 static int rt2870_vap_key_set(struct ieee80211vap *vap,
2157 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2158 {
2159 struct rt2870_softc *sc;
2160 struct ieee80211com *ic;
2161 struct ifnet *ifp;
2162 struct ieee80211_node *ni;
2163 struct rt2870_softc_node *rni;
2164 struct rt2870_cmd_argv_keyset cmd_argv;
2165
2166 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2167 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2168 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2169 return 0;
2170
2171 ic = vap->iv_ic;
2172 ifp = ic->ic_ifp;
2173 sc = ifp->if_softc;
2174
2175 cmd_argv.opmode = vap->iv_opmode;
2176
2177 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2178
2179 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2180 {
2181 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2182 rni = (struct rt2870_softc_node *) ni;
2183
2184 cmd_argv.staid = rni->staid;
2185
2186 ieee80211_free_node(ni);
2187 }
2188
2189 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2190 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2191
2192 return 1;
2193 }
2194
2195 /*
2196 * rt2870_vap_key_delete
2197 */
2198 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2199 const struct ieee80211_key *k)
2200 {
2201 struct rt2870_softc *sc;
2202 struct ieee80211com *ic;
2203 struct ifnet *ifp;
2204 struct rt2870_cmd_argv_keydelete cmd_argv;
2205
2206 ic = vap->iv_ic;
2207 ifp = ic->ic_ifp;
2208 sc = ifp->if_softc;
2209
2210 cmd_argv.opmode = vap->iv_opmode;
2211
2212 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2213
2214 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2215 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2216
2217 return 1;
2218 }
2219
2220 /*
2221 * rt2870_vap_update_beacon
2222 */
2223 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2224 {
2225 struct rt2870_softc *sc;
2226 struct ieee80211com *ic;
2227 struct ifnet *ifp;
2228 struct rt2870_softc_vap *rvap;
2229 struct mbuf *m;
2230 struct ieee80211_beacon_offsets *bo;
2231
2232 ic = vap->iv_ic;
2233 ifp = ic->ic_ifp;
2234 sc = ifp->if_softc;
2235 rvap = (struct rt2870_softc_vap *) vap;
2236 m = rvap->beacon_mbuf;
2237 bo = &rvap->beacon_offsets;
2238
2239 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2240 "%s: VAP update beacon: what=%d\n",
2241 device_get_nameunit(sc->dev), what);
2242
2243 setbit(bo->bo_flags, what);
2244
2245 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2246
2247 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2248 }
2249
2250 /*
2251 * rt2870_node_alloc
2252 */
2253 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2254 const uint8_t mac[IEEE80211_ADDR_LEN])
2255 {
2256 return malloc(sizeof(struct rt2870_softc_node),
2257 M_80211_NODE, M_NOWAIT | M_ZERO);
2258 }
2259
2260 /*
2261 * rt2870_node_cleanup
2262 */
2263 static void rt2870_node_cleanup(struct ieee80211_node *ni)
2264 {
2265 struct rt2870_softc *sc;
2266 struct ieee80211com *ic;
2267 struct ifnet *ifp;
2268 struct rt2870_softc_node *rni;
2269 struct rt2870_cmd_argv_nodecleanup cmd_argv;
2270
2271 ic = ni->ni_ic;
2272 ifp = ic->ic_ifp;
2273 sc = ifp->if_softc;
2274 rni = (struct rt2870_softc_node *) ni;
2275
2276 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2277 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2278 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2279 ni->ni_associd, rni->staid);
2280
2281 if (rni->staid != 0)
2282 {
2283 cmd_argv.staid = rni->staid;
2284
2285 rni->staid = 0;
2286
2287 rt2870_do_async(sc, rt2870_node_cleanup_cb,
2288 &cmd_argv, sizeof(struct rt2870_cmd_argv_nodecleanup));
2289 }
2290
2291 sc->node_cleanup(ni);
2292 }
2293
2294 /*
2295 * rt2870_node_getmimoinfo
2296 */
2297 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2298 struct ieee80211_mimo_info *mi)
2299 {
2300 const struct rt2870_softc_node *rni;
2301 int i;
2302
2303 rni = (const struct rt2870_softc_node *) ni;
2304
2305 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2306 {
2307 mi->rssi[i] = rni->last_rssi_dbm[i];
2308 mi->noise[i] = RT2870_NOISE_FLOOR;
2309 }
2310 }
2311
2312 /*
2313 * rt2870_setregdomain
2314 */
2315 static int rt2870_setregdomain(struct ieee80211com *ic,
2316 struct ieee80211_regdomain *reg,
2317 int nchans, struct ieee80211_channel chans[])
2318 {
2319 struct rt2870_softc *sc;
2320 struct ifnet *ifp;
2321
2322 ifp = ic->ic_ifp;
2323 sc = ifp->if_softc;
2324
2325 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2326 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2327 device_get_nameunit(sc->dev),
2328 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2329
2330 return 0;
2331 }
2332
2333 /*
2334 * rt2870_getradiocaps
2335 */
2336 static void rt2870_getradiocaps(struct ieee80211com *ic,
2337 int maxchans, int *nchans, struct ieee80211_channel chans[])
2338 {
2339 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2340
2341 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2342 }
2343
2344 /*
2345 * rt2870_scan_start
2346 */
2347 static void rt2870_scan_start(struct ieee80211com *ic)
2348 {
2349 struct rt2870_softc *sc;
2350 struct ifnet *ifp;
2351
2352 ifp = ic->ic_ifp;
2353 sc = ifp->if_softc;
2354
2355 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2356 return;
2357
2358 RT2870_SOFTC_LOCK(sc);
2359
2360 rt2870_asic_disable_tsf_sync(sc);
2361
2362 RT2870_SOFTC_UNLOCK(sc);
2363 }
2364
2365 /*
2366 * rt2870_scan_end
2367 */
2368 static void rt2870_scan_end(struct ieee80211com *ic)
2369 {
2370 struct rt2870_softc *sc;
2371 struct ifnet *ifp;
2372
2373 ifp = ic->ic_ifp;
2374 sc = ifp->if_softc;
2375
2376 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2377 return;
2378
2379 RT2870_SOFTC_LOCK(sc);
2380
2381 rt2870_asic_enable_tsf_sync(sc);
2382
2383 RT2870_SOFTC_UNLOCK(sc);
2384 }
2385
2386 /*
2387 * rt2870_set_channel
2388 */
2389 static void rt2870_set_channel(struct ieee80211com *ic)
2390 {
2391 struct rt2870_softc *sc;
2392 struct ifnet *ifp;
2393
2394 ifp = ic->ic_ifp;
2395 sc = ifp->if_softc;
2396
2397 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2398 return;
2399
2400 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2401 "%s: set channel: channel=%u, HT%s%s\n",
2402 device_get_nameunit(sc->dev),
2403 ieee80211_chan2ieee(ic, ic->ic_curchan),
2404 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2405 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2406 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2407 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2408
2409 RT2870_SOFTC_LOCK(sc);
2410
2411 rt2870_rf_set_chan(sc, ic->ic_curchan);
2412
2413 RT2870_SOFTC_UNLOCK(sc);
2414 }
2415
2416 /*
2417 * rt2870_newassoc
2418 */
2419 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2420 {
2421 struct rt2870_softc *sc;
2422 struct ieee80211com *ic;
2423 struct ifnet *ifp;
2424 struct ieee80211vap *vap;
2425 struct rt2870_softc_vap *rvap;
2426 struct rt2870_softc_node *rni;
2427 uint16_t aid;
2428 uint8_t wcid;
2429 uint32_t tmp;
2430
2431 vap = ni->ni_vap;
2432 ic = vap->iv_ic;
2433 ifp = ic->ic_ifp;
2434 sc = ifp->if_softc;
2435 rvap = (struct rt2870_softc_vap *) vap;
2436 rni = (struct rt2870_softc_node *) ni;
2437
2438 if (isnew)
2439 {
2440 aid = IEEE80211_AID(ni->ni_associd);
2441 rni->staid = rt2870_staid_alloc(sc, aid);
2442 wcid = rni->staid;
2443
2444 RT2870_SOFTC_LOCK(sc);
2445
2446 tmp = (ni->ni_macaddr[3] << 24) |
2447 (ni->ni_macaddr[2] << 16) |
2448 (ni->ni_macaddr[1] << 8) |
2449 ni->ni_macaddr[0];
2450
2451 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), tmp);
2452
2453 tmp = (ni->ni_macaddr[5] << 8) |
2454 ni->ni_macaddr[4];
2455
2456 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2457
2458 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2459
2460 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2461 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2462 device_get_nameunit(sc->dev),
2463 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2464 ni->ni_associd, ni->ni_txrate,
2465 (ni->ni_flags & IEEE80211_NODE_HT) ?
2466 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2467 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2468
2469 rt2870_asic_updateprot(sc);
2470 rt2870_asic_updateslot(sc);
2471 rt2870_asic_set_txpreamble(sc);
2472
2473 RT2870_SOFTC_UNLOCK(sc);
2474 }
2475
2476 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2477 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2478 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2479 ni->ni_associd, rni->staid,
2480 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2481 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2482 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2483 }
2484
2485 /*
2486 * rt2870_updateslot
2487 */
2488 static void rt2870_updateslot(struct ifnet *ifp)
2489 {
2490 struct rt2870_softc *sc;
2491
2492 sc = ifp->if_softc;
2493
2494 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2495 }
2496
2497 /*
2498 * rt2870_update_promisc
2499 */
2500 static void rt2870_update_promisc(struct ifnet *ifp)
2501 {
2502 struct rt2870_softc *sc;
2503
2504 sc = ifp->if_softc;
2505
2506 RT2870_SOFTC_LOCK(sc);
2507
2508 rt2870_asic_update_promisc(sc);
2509
2510 RT2870_SOFTC_UNLOCK(sc);
2511 }
2512
2513 /*
2514 * rt2870_update_mcast
2515 */
2516 static void rt2870_update_mcast(struct ifnet *ifp)
2517 {
2518 struct rt2870_softc *sc;
2519
2520 sc = ifp->if_softc;
2521 }
2522
2523 /*
2524 * rt2870_wme_update
2525 */
2526 static int rt2870_wme_update(struct ieee80211com *ic)
2527 {
2528 struct rt2870_softc *sc;
2529 struct ifnet *ifp;
2530
2531 ifp = ic->ic_ifp;
2532 sc = ifp->if_softc;
2533
2534 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2535
2536 return 0;
2537 }
2538
2539 /*
2540 * rt2870_raw_xmit
2541 */
2542 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2543 const struct ieee80211_bpf_params *params)
2544 {
2545 struct rt2870_softc *sc;
2546 struct ieee80211com *ic;
2547 struct ifnet *ifp;
2548
2549 ic = ni->ni_ic;
2550 ifp = ic->ic_ifp;
2551 sc = ifp->if_softc;
2552
2553 RT2870_SOFTC_LOCK(sc);
2554
2555 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2556 {
2557 RT2870_SOFTC_UNLOCK(sc);
2558
2559 m_freem(m);
2560 ieee80211_free_node(ni);
2561
2562 return ENETDOWN;
2563 }
2564
2565 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2566 {
2567 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2568 "%s: raw xmit: Tx ring with qid=%d is full\n",
2569 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2570
2571 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2572
2573 RT2870_SOFTC_UNLOCK(sc);
2574
2575 m_freem(m);
2576 ieee80211_free_node(ni);
2577
2578 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2579
2580 return ENOBUFS;
2581 }
2582
2583 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2584 {
2585 ifp->if_oerrors++;
2586
2587 RT2870_SOFTC_UNLOCK(sc);
2588
2589 ieee80211_free_node(ni);
2590
2591 return EIO;
2592 }
2593
2594 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2595
2596 RT2870_SOFTC_UNLOCK(sc);
2597
2598 return 0;
2599 }
2600
2601 /*
2602 * rt2870_recv_action
2603 */
2604 static int rt2870_recv_action(struct ieee80211_node *ni,
2605 const struct ieee80211_frame *wh,
2606 const uint8_t *frm, const uint8_t *efrm)
2607 {
2608 struct rt2870_softc *sc;
2609 struct ieee80211com *ic;
2610 struct ifnet *ifp;
2611 struct rt2870_softc_node *rni;
2612 const struct ieee80211_action *ia;
2613 uint16_t baparamset;
2614 uint8_t wcid;
2615 int tid;
2616
2617 ic = ni->ni_ic;
2618 ifp = ic->ic_ifp;
2619 sc = ifp->if_softc;
2620 rni = (struct rt2870_softc_node *) ni;
2621
2622 ia = (const struct ieee80211_action *) frm;
2623
2624 if (ia->ia_category == IEEE80211_ACTION_CAT_BA)
2625 {
2626 switch (ia->ia_action)
2627 {
2628 /* IEEE80211_ACTION_BA_DELBA */
2629 case IEEE80211_ACTION_BA_DELBA:
2630 baparamset = LE_READ_2(frm + 2);
2631 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2632 wcid = rni->staid;
2633
2634 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2635 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2636 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2637
2638 if (rni->staid != 0)
2639 {
2640 RT2870_SOFTC_LOCK(sc);
2641
2642 rt2870_asic_del_ba_session(sc, wcid, tid);
2643
2644 RT2870_SOFTC_UNLOCK(sc);
2645 }
2646 break;
2647 }
2648 }
2649
2650 return sc->recv_action(ni, wh, frm, efrm);
2651 }
2652
2653 /*
2654 * rt2870_send_action
2655 */
2656 static int rt2870_send_action(struct ieee80211_node *ni,
2657 int cat, int act, void *sa)
2658 {
2659 struct rt2870_softc *sc;
2660 struct ieee80211com *ic;
2661 struct ifnet *ifp;
2662 struct rt2870_softc_node *rni;
2663 uint16_t *args, status, baparamset;
2664 uint8_t wcid;
2665 int tid, bufsize;
2666
2667 ic = ni->ni_ic;
2668 ifp = ic->ic_ifp;
2669 sc = ifp->if_softc;
2670 rni = (struct rt2870_softc_node *) ni;
2671
2672 wcid = rni->staid;
2673 args = sa;
2674
2675 if (cat == IEEE80211_ACTION_CAT_BA)
2676 {
2677 switch (act)
2678 {
2679 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2680 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2681 status = args[1];
2682 baparamset = args[2];
2683 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2684 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2685
2686 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2687 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2688 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2689
2690 if (status == IEEE80211_STATUS_SUCCESS)
2691 {
2692 RT2870_SOFTC_LOCK(sc);
2693
2694 rt2870_asic_add_ba_session(sc, wcid, tid);
2695
2696 RT2870_SOFTC_UNLOCK(sc);
2697 }
2698 break;
2699
2700 /* IEEE80211_ACTION_BA_DELBA */
2701 case IEEE80211_ACTION_BA_DELBA:
2702 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2703 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2704
2705 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2706 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2707 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2708
2709 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2710 {
2711 RT2870_SOFTC_LOCK(sc);
2712
2713 rt2870_asic_del_ba_session(sc, wcid, tid);
2714
2715 RT2870_SOFTC_UNLOCK(sc);
2716 }
2717 break;
2718 }
2719 }
2720
2721 return sc->send_action(ni, cat, act, sa);
2722
2723 }
2724
2725 /*
2726 * rt2870_addba_response
2727 */
2728 static int rt2870_addba_response(struct ieee80211_node *ni,
2729 struct ieee80211_tx_ampdu *tap,
2730 int status, int baparamset, int batimeout)
2731 {
2732 struct rt2870_softc *sc;
2733 struct ieee80211com *ic;
2734 struct ifnet *ifp;
2735 struct rt2870_softc_node *rni;
2736 ieee80211_seq seqno;
2737 int ret, tid, old_bufsize, new_bufsize;
2738
2739 ic = ni->ni_ic;
2740 ifp = ic->ic_ifp;
2741 sc = ifp->if_softc;
2742 rni = (struct rt2870_softc_node *) ni;
2743
2744 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2745 old_bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2746 new_bufsize = old_bufsize;
2747
2748 if (status == IEEE80211_STATUS_SUCCESS)
2749 {
2750 if (sc->mac_rev >= 0x28830300)
2751 {
2752 if (sc->mac_rev >= 0x30700200)
2753 new_bufsize = 13;
2754 else
2755 new_bufsize = 31;
2756 }
2757 else if (sc->mac_rev >= 0x28720200)
2758 {
2759 new_bufsize = 13;
2760 }
2761 else
2762 {
2763 new_bufsize = 7;
2764 }
2765
2766 if (old_bufsize > new_bufsize)
2767 {
2768 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2769 baparamset = RT2870_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
2770 }
2771
2772 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2773 {
2774 sc->tx_ampdu_sessions++;
2775
2776 if (sc->tx_ampdu_sessions == 1)
2777 {
2778 RT2870_SOFTC_LOCK(sc);
2779
2780 rt2870_asic_updateprot(sc);
2781
2782 RT2870_SOFTC_UNLOCK(sc);
2783 }
2784 }
2785 }
2786
2787 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2788 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
2789 "old bufsize=%d, new bufsize=%d\n",
2790 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
2791 old_bufsize, new_bufsize);
2792
2793 ret = sc->addba_response(ni, tap, status, baparamset, batimeout);
2794
2795 if (status == IEEE80211_STATUS_SUCCESS)
2796 {
2797 seqno = ni->ni_txseqs[tid];
2798
2799 rt2870_send_bar(ni, tap, seqno);
2800 }
2801
2802 return ret;
2803 }
2804
2805 /*
2806 * rt2870_addba_stop
2807 */
2808 static void rt2870_addba_stop(struct ieee80211_node *ni,
2809 struct ieee80211_tx_ampdu *tap)
2810 {
2811 struct rt2870_softc *sc;
2812 struct ieee80211com *ic;
2813 struct ifnet *ifp;
2814 struct rt2870_softc_node *rni;
2815 int tid;
2816
2817 ic = ni->ni_ic;
2818 ifp = ic->ic_ifp;
2819 sc = ifp->if_softc;
2820 rni = (struct rt2870_softc_node *) ni;
2821
2822 tid = WME_AC_TO_TID(tap->txa_ac);
2823
2824 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2825 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2826 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2827
2828 if (tap->txa_flags & IEEE80211_AGGR_RUNNING)
2829 {
2830 if (sc->tx_ampdu_sessions > 0)
2831 {
2832 sc->tx_ampdu_sessions--;
2833
2834 if (sc->tx_ampdu_sessions == 0)
2835 {
2836 RT2870_SOFTC_LOCK(sc);
2837
2838 rt2870_asic_updateprot(sc);
2839
2840 RT2870_SOFTC_UNLOCK(sc);
2841 }
2842 }
2843 else
2844 {
2845 printf("%s: number of A-MPDU Tx sessions cannot be negative\n",
2846 device_get_nameunit(sc->dev));
2847 }
2848 }
2849
2850 sc->addba_stop(ni, tap);
2851 }
2852
2853 /*
2854 * rt2870_ampdu_rx_start
2855 */
2856 static int rt2870_ampdu_rx_start(struct ieee80211_node *ni,
2857 struct ieee80211_rx_ampdu *rap,
2858 int baparamset, int batimeout, int baseqctl)
2859 {
2860 struct rt2870_softc *sc;
2861 struct ieee80211com *ic;
2862 struct ifnet *ifp;
2863 struct rt2870_softc_node *rni;
2864 int tid;
2865
2866 ic = ni->ni_ic;
2867 ifp = ic->ic_ifp;
2868 sc = ifp->if_softc;
2869 rni = (struct rt2870_softc_node *) ni;
2870
2871 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2872
2873 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2874 "%s: starting A-MPDU Rx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2875 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2876
2877 if (!(rap->rxa_flags & IEEE80211_AGGR_RUNNING))
2878 sc->rx_ampdu_sessions++;
2879
2880 return sc->ampdu_rx_start(ni, rap, baparamset, batimeout, baseqctl);
2881 }
2882
2883 /*
2884 * rt2870_ampdu_rx_stop
2885 */
2886 static void rt2870_ampdu_rx_stop(struct ieee80211_node *ni,
2887 struct ieee80211_rx_ampdu *rap)
2888 {
2889 struct rt2870_softc *sc;
2890 struct ieee80211com *ic;
2891 struct ifnet *ifp;
2892 struct rt2870_softc_node *rni;
2893
2894 ic = ni->ni_ic;
2895 ifp = ic->ic_ifp;
2896 sc = ifp->if_softc;
2897 rni = (struct rt2870_softc_node *) ni;
2898
2899 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2900 "%s: stopping A-MPDU Rx: associd=0x%04x, staid=0x%02x\n",
2901 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid);
2902
2903 if (rap->rxa_flags & IEEE80211_AGGR_RUNNING)
2904 {
2905 if (sc->rx_ampdu_sessions > 0)
2906 sc->rx_ampdu_sessions--;
2907 else
2908 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2909 device_get_nameunit(sc->dev));
2910 }
2911
2912 sc->ampdu_rx_stop(ni, rap);
2913 }
2914
2915 /*
2916 * rt2870_send_bar
2917 */
2918 static int rt2870_send_bar(struct ieee80211_node *ni,
2919 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
2920 {
2921 struct rt2870_softc *sc;
2922 struct ieee80211com *ic;
2923 struct ifnet *ifp;
2924 struct ieee80211vap *vap;
2925 struct ieee80211_frame_bar *bar;
2926 struct rt2870_softc_node *rni;
2927 struct mbuf *m;
2928 uint16_t barctl, barseqctl;
2929 uint8_t *frm;
2930 int ret, tid;
2931
2932 ic = ni->ni_ic;
2933 ifp = ic->ic_ifp;
2934 sc = ifp->if_softc;
2935 vap = ni->ni_vap;
2936 rni = (struct rt2870_softc_node *) ni;
2937
2938 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2939 return EINVAL;
2940
2941 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
2942 if (m == NULL)
2943 return ENOMEM;
2944
2945 bar = mtod(m, struct ieee80211_frame_bar *);
2946
2947 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
2948 bar->i_fc[1] = 0;
2949
2950 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
2951 IEEE80211_ADDR_COPY(bar->i_ta, vap->iv_myaddr);
2952
2953 tid = WME_AC_TO_TID(tap->txa_ac);
2954
2955 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
2956 IEEE80211_BAR_COMP |
2957 RT2870_SM(tid, IEEE80211_BAR_TID);
2958 barseqctl = RT2870_SM(seqno, IEEE80211_BAR_SEQ_START);
2959
2960 bar->i_ctl = htole16(barctl);
2961 bar->i_seq = htole16(barseqctl);
2962
2963 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
2964
2965 tap->txa_start = seqno;
2966
2967 ieee80211_ref_node(ni);
2968
2969 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2970 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
2971 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
2972
2973 ret = ic->ic_raw_xmit(ni, m, NULL);
2974 if (ret != 0)
2975 ieee80211_free_node(ni);
2976
2977 return ret;
2978 }
2979
2980 /*
2981 * rt2870_amrr_update_iter_func
2982 */
2983 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2984 {
2985 struct rt2870_softc *sc;
2986 struct ieee80211com *ic;
2987 struct ifnet *ifp;
2988 struct ieee80211vap *vap;
2989 struct rt2870_softc_vap *rvap;
2990 struct rt2870_softc_node *rni;
2991 uint8_t wcid;
2992
2993 vap = arg;
2994 ic = vap->iv_ic;
2995 ifp = ic->ic_ifp;
2996 sc = ifp->if_softc;
2997 rvap = (struct rt2870_softc_vap *) vap;
2998 rni = (struct rt2870_softc_node *) ni;
2999
3000 /* only associated stations */
3001
3002 if ((ni->ni_vap == vap) && (rni->staid != 0))
3003 {
3004 wcid = rni->staid;
3005
3006 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
3007 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3008 device_get_nameunit(sc->dev),
3009 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3010
3011 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
3012
3013 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
3014 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3015 device_get_nameunit(sc->dev),
3016 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3017 ni->ni_associd, rni->staid, ni->ni_txrate,
3018 (ni->ni_flags & IEEE80211_NODE_HT) ?
3019 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3020 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3021 }
3022 }
3023
3024 /*
3025 * rt2870_periodic
3026 */
3027 static void rt2870_periodic(void *arg)
3028 {
3029 struct rt2870_softc *sc;
3030 struct ifnet *ifp;
3031
3032 sc = arg;
3033 ifp = sc->ifp;
3034
3035 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
3036 "%s: periodic\n",
3037 device_get_nameunit(sc->dev));
3038
3039 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3040 return;
3041
3042 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3043 }
3044
3045 /*
3046 * rt2870_tx_watchdog
3047 */
3048 static void rt2870_tx_watchdog(void *arg)
3049 {
3050 struct rt2870_softc *sc;
3051 struct ifnet *ifp;
3052
3053 sc = arg;
3054 ifp = sc->ifp;
3055
3056 if (sc->tx_timer == 0)
3057 return;
3058
3059 if (--sc->tx_timer == 0)
3060 {
3061 printf("%s: Tx watchdog timeout: resetting\n",
3062 device_get_nameunit(sc->dev));
3063
3064 rt2870_stop_locked(sc);
3065 rt2870_init_locked(sc);
3066
3067 ifp->if_oerrors++;
3068
3069 sc->tx_watchdog_timeouts++;
3070 }
3071
3072 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
3073 }
3074
3075 /*
3076 * rt2870_staid_alloc
3077 */
3078 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid)
3079 {
3080 int staid;
3081
3082 if ((aid > 0 && aid < RT2870_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3083 {
3084 staid = aid;
3085 }
3086 else
3087 {
3088 for (staid = 1; staid < RT2870_SOFTC_STAID_COUNT; staid++)
3089 {
3090 if (isclr(sc->staid_mask, staid))
3091 break;
3092 }
3093 }
3094
3095 setbit(sc->staid_mask, staid);
3096
3097 return staid;
3098 }
3099
3100 /*
3101 * rt2870_staid_delete
3102 */
3103 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid)
3104 {
3105 clrbit(sc->staid_mask, staid);
3106 }
3107
3108
3109 /*
3110 * rt2870_do_async
3111 */
3112 static int rt2870_do_async(struct rt2870_softc *sc,
3113 void (*cb)(struct rt2870_softc *sc, void *arg),
3114 void *arg, int len)
3115 {
3116 struct ifnet *ifp;
3117 struct rt2870_softc_cmd_ring *ring;
3118 struct rt2870_softc_cmd *cmd;
3119 int run_cmd_task;
3120
3121 ifp = sc->ifp;
3122 ring = &sc->cmd_ring;
3123
3124 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
3125 return -1;
3126
3127 RT2870_SOFTC_LOCK(sc);
3128
3129 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
3130 {
3131 RT2870_SOFTC_UNLOCK(sc);
3132 return -1;
3133 }
3134
3135 cmd = STAILQ_FIRST(&ring->inactive);
3136 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3137
3138 cmd->cb = cb;
3139
3140 if(arg != NULL)
3141 memcpy(cmd->data, arg, len);
3142
3143 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
3144 ring->queued++;
3145
3146 run_cmd_task = (ring->queued == 1);
3147
3148 RT2870_SOFTC_UNLOCK(sc);
3149
3150 if (run_cmd_task)
3151 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
3152
3153 return 0;
3154 }
3155
3156 /*
3157 * rt2870_node_cleanup_cb
3158 */
3159 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg)
3160 {
3161 struct ifnet *ifp;
3162 struct ieee80211com *ic;
3163 struct rt2870_cmd_argv_nodecleanup *cmd_argv;
3164 uint8_t staid, vapid, wcid;
3165 uint32_t tmp;
3166
3167 ifp = sc->ifp;
3168 ic = ifp->if_l2com;
3169 cmd_argv = arg;
3170 staid = cmd_argv->staid;
3171
3172 vapid = 0;
3173 wcid = staid;
3174
3175 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3176 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3177
3178 RT2870_SOFTC_LOCK(sc);
3179
3180 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3181
3182 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), 0x00000000);
3183 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, 0x00000000);
3184
3185 rt2870_staid_delete(sc, staid);
3186
3187 RT2870_SOFTC_UNLOCK(sc);
3188 }
3189
3190 /*
3191 * rt2870_updateslot_cb
3192 */
3193 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
3194 {
3195 RT2870_SOFTC_LOCK(sc);
3196
3197 rt2870_asic_updateslot(sc);
3198
3199 RT2870_SOFTC_UNLOCK(sc);
3200 }
3201
3202 /*
3203 * rt2870_wme_update_cb
3204 */
3205 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
3206 {
3207 RT2870_SOFTC_LOCK(sc);
3208
3209 rt2870_asic_wme_update(sc);
3210
3211 RT2870_SOFTC_UNLOCK(sc);
3212 }
3213
3214 /*
3215 * rt2870_vap_key_set_cb
3216 */
3217 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
3218 {
3219 struct ieee80211com *ic;
3220 struct ifnet *ifp;
3221 struct ieee80211_key *k;
3222 enum ieee80211_opmode opmode;
3223 struct rt2870_cmd_argv_keyset *cmd_argv;
3224 uint16_t key_base, keymode_base;
3225 uint8_t mode, vapid, wcid, iv[8];
3226 uint32_t tmp;
3227
3228 ifp = sc->ifp;
3229 ic = ifp->if_l2com;
3230 cmd_argv = arg;
3231 k = &cmd_argv->key;
3232 opmode = cmd_argv->opmode;
3233
3234 switch (k->wk_cipher->ic_cipher)
3235 {
3236 case IEEE80211_CIPHER_WEP:
3237 if(k->wk_keylen < 8)
3238 mode = RT2870_REG_CIPHER_MODE_WEP40;
3239 else
3240 mode = RT2870_REG_CIPHER_MODE_WEP104;
3241 break;
3242
3243 case IEEE80211_CIPHER_TKIP:
3244 mode = RT2870_REG_CIPHER_MODE_TKIP;
3245 break;
3246
3247 case IEEE80211_CIPHER_AES_CCM:
3248 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
3249 break;
3250
3251 default:
3252 return;
3253 }
3254
3255 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3256 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
3257 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3258 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3259
3260 RT2870_SOFTC_LOCK(sc);
3261
3262 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
3263 {
3264 /* install pairwise key */
3265
3266 vapid = 0;
3267 wcid = cmd_argv->staid;
3268 key_base = RT2870_REG_PKEY(wcid);
3269
3270 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3271 {
3272 memset(iv, 0, 8);
3273
3274 iv[3] = (k->wk_keyix << 6);
3275 }
3276 else
3277 {
3278 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3279 {
3280 iv[0] = (k->wk_keytsc >> 8);
3281 iv[1] = ((iv[0] | 0x20) & 0x7f);
3282 iv[2] = k->wk_keytsc;
3283 }
3284 else
3285 {
3286 /* AES CCMP */
3287
3288 iv[0] = k->wk_keytsc;
3289 iv[1] = k->wk_keytsc >> 8;
3290 iv[2] = 0;
3291 }
3292
3293 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3294 iv[4] = (k->wk_keytsc >> 16);
3295 iv[5] = (k->wk_keytsc >> 24);
3296 iv[6] = (k->wk_keytsc >> 32);
3297 iv[7] = (k->wk_keytsc >> 40);
3298
3299 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3300 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3301 device_get_nameunit(sc->dev),
3302 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3303 }
3304
3305 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3306
3307 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3308 {
3309 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3310
3311 if (opmode != IEEE80211_M_HOSTAP)
3312 {
3313 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3314 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3315 }
3316 else
3317 {
3318 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3319 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3320 }
3321 }
3322 else
3323 {
3324 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3325 }
3326
3327 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3328 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3329
3330 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3331 }
3332
3333 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
3334 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
3335 {
3336 /* install group key */
3337
3338 vapid = 0;
3339 wcid = RT2870_WCID_MCAST;
3340 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
3341 keymode_base = RT2870_REG_SKEY_MODE(vapid);
3342
3343 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3344 {
3345 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3346
3347 if (opmode != IEEE80211_M_HOSTAP)
3348 {
3349 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3350 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3351 }
3352 else
3353 {
3354 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3355 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3356 }
3357 }
3358 else
3359 {
3360 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3361 }
3362
3363 tmp = rt2870_io_mac_read(sc, keymode_base);
3364
3365 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3366 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3367
3368 rt2870_io_mac_write(sc, keymode_base, tmp);
3369
3370 if (opmode == IEEE80211_M_HOSTAP)
3371 {
3372 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3373 {
3374 memset(iv, 0, 8);
3375
3376 iv[3] = (k->wk_keyix << 6);
3377 }
3378 else
3379 {
3380 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3381 {
3382 iv[0] = (k->wk_keytsc >> 8);
3383 iv[1] = ((iv[0] | 0x20) & 0x7f);
3384 iv[2] = k->wk_keytsc;
3385 }
3386 else
3387 {
3388 /* AES CCMP */
3389
3390 iv[0] = k->wk_keytsc;
3391 iv[1] = k->wk_keytsc >> 8;
3392 iv[2] = 0;
3393 }
3394
3395 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3396 iv[4] = (k->wk_keytsc >> 16);
3397 iv[5] = (k->wk_keytsc >> 24);
3398 iv[6] = (k->wk_keytsc >> 32);
3399 iv[7] = (k->wk_keytsc >> 40);
3400
3401 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3402 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3403 device_get_nameunit(sc->dev),
3404 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3405 }
3406
3407 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3408
3409 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3410 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
3411
3412 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3413 }
3414 }
3415
3416 RT2870_SOFTC_UNLOCK(sc);
3417 }
3418
3419 /*
3420 * rt2870_vap_key_delete_cb
3421 */
3422 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
3423 {
3424 struct ieee80211com *ic;
3425 struct ifnet *ifp;
3426 struct ieee80211_key *k;
3427 enum ieee80211_opmode opmode;
3428 struct rt2870_cmd_argv_keydelete *cmd_argv;
3429 uint8_t vapid, wcid;
3430 uint32_t tmp;
3431
3432 ifp = sc->ifp;
3433 ic = ifp->if_l2com;
3434 cmd_argv = arg;
3435 k = &cmd_argv->key;
3436 opmode = cmd_argv->opmode;
3437
3438 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3439 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
3440 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3441 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3442
3443 RT2870_SOFTC_LOCK(sc);
3444
3445 if (k->wk_flags & IEEE80211_KEY_GROUP)
3446 {
3447 /* remove group key */
3448
3449 vapid = 0;
3450 wcid = RT2870_WCID_MCAST;
3451
3452 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
3453
3454 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3455 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3456
3457 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
3458
3459 if (opmode == IEEE80211_M_HOSTAP)
3460 {
3461 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3462 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
3463
3464 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3465 }
3466 }
3467
3468 RT2870_SOFTC_UNLOCK(sc);
3469 }
3470
3471 /*
3472 * rt2870_vap_update_beacon_cb
3473 */
3474 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
3475 {
3476 struct ifnet *ifp;
3477 struct ieee80211com *ic;
3478 struct ieee80211vap *vap;
3479
3480 ifp = sc->ifp;
3481 ic = ifp->if_l2com;
3482 vap = TAILQ_FIRST(&ic->ic_vaps);
3483
3484 if (vap == NULL)
3485 return;
3486
3487 RT2870_SOFTC_LOCK(sc);
3488
3489 rt2870_asic_update_beacon(sc, vap);
3490
3491 RT2870_SOFTC_UNLOCK(sc);
3492 }
3493
3494 /*
3495 * rt2870_asic_set_bssid
3496 */
3497 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3498 const uint8_t *bssid)
3499 {
3500 uint32_t tmp;
3501
3502 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3503 "%s: set bssid: bssid=%s\n",
3504 device_get_nameunit(sc->dev),
3505 ether_sprintf(bssid));
3506
3507 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3508
3509 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3510
3511 tmp = bssid[4] | (bssid[5] << 8);
3512
3513 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3514 }
3515
3516 /*
3517 * rt2870_asic_set_macaddr
3518 */
3519 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3520 const uint8_t *addr)
3521 {
3522 uint32_t tmp;
3523
3524 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3525
3526 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3527
3528 tmp = addr[4] | (addr[5] << 8) | (0xff << 16);
3529
3530 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3531 }
3532
3533 /*
3534 * rt2870_asic_enable_tsf_sync
3535 */
3536 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3537 {
3538 struct ifnet *ifp;
3539 struct ieee80211com *ic;
3540 struct ieee80211vap *vap;
3541 uint32_t tmp;
3542
3543 ifp = sc->ifp;
3544 ic = ifp->if_l2com;
3545 vap = TAILQ_FIRST(&ic->ic_vaps);
3546
3547 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3548 "%s: enabling TSF\n",
3549 device_get_nameunit(sc->dev));
3550
3551 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3552
3553 tmp &= ~0x1fffff;
3554 tmp |= vap->iv_bss->ni_intval * 16;
3555 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3556
3557 if (vap->iv_opmode == IEEE80211_M_STA)
3558 {
3559 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3560 }
3561 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3562 {
3563 tmp |= RT2870_REG_BCN_TX_ENABLE;
3564 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3565 }
3566 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3567 {
3568 tmp |= RT2870_REG_BCN_TX_ENABLE;
3569 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3570 }
3571
3572 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3573 }
3574
3575 /*
3576 * rt2870_asic_disable_tsf_sync
3577 */
3578 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3579 {
3580 uint32_t tmp;
3581
3582 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3583 "%s: disabling TSF\n",
3584 device_get_nameunit(sc->dev));
3585
3586 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3587
3588 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3589 RT2870_REG_TSF_TIMER_ENABLE |
3590 RT2870_REG_TBTT_TIMER_ENABLE);
3591
3592 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3593 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3594
3595 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3596 }
3597
3598 /*
3599 * rt2870_asic_enable_mrr
3600 */
3601 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3602 {
3603 #define CCK(mcs) (mcs)
3604 #define OFDM(mcs) ((1 << 3) | (mcs))
3605 #define HT(mcs) (mcs)
3606
3607 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3608 (OFDM(6) << 28) | /* 54 -> 48 */
3609 (OFDM(5) << 24) | /* 48 -> 36 */
3610 (OFDM(4) << 20) | /* 36 -> 24 */
3611 (OFDM(3) << 16) | /* 24 -> 18 */
3612 (OFDM(2) << 12) | /* 18 -> 12 */
3613 (OFDM(1) << 8) | /* 12 -> 9 */
3614 (OFDM(0) << 4) | /* 9 -> 6 */
3615 OFDM(0)); /* 6 -> 6 */
3616
3617 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3618 (CCK(2) << 12) | /* 11 -> 5.5 */
3619 (CCK(1) << 8) | /* 5.5 -> 2 */
3620 (CCK(0) << 4) | /* 2 -> 1 */
3621 CCK(0)); /* 1 -> 1 */
3622
3623 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3624 (HT(6) << 28) |
3625 (HT(5) << 24) |
3626 (HT(4) << 20) |
3627 (HT(3) << 16) |
3628 (HT(2) << 12) |
3629 (HT(1) << 8) |
3630 (HT(0) << 4) |
3631 HT(0));
3632
3633 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3634 (HT(14) << 28) |
3635 (HT(13) << 24) |
3636 (HT(12) << 20) |
3637 (HT(11) << 16) |
3638 (HT(10) << 12) |
3639 (HT(9) << 8) |
3640 (HT(8) << 4) |
3641 HT(7));
3642
3643 #undef HT
3644 #undef OFDM
3645 #undef CCK
3646 }
3647
3648 /*
3649 * rt2870_asic_set_txpreamble
3650 */
3651 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3652 {
3653 struct ifnet *ifp;
3654 struct ieee80211com *ic;
3655 uint32_t tmp;
3656
3657 ifp = sc->ifp;
3658 ic = ifp->if_l2com;
3659
3660 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3661 "%s: %s short Tx preamble\n",
3662 device_get_nameunit(sc->dev),
3663 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3664
3665 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3666
3667 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3668
3669 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3670 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3671
3672 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3673 }
3674
3675 /*
3676 * rt2870_asic_set_basicrates
3677 */
3678 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3679 {
3680 struct ifnet *ifp;
3681 struct ieee80211com *ic;
3682
3683 ifp = sc->ifp;
3684 ic = ifp->if_l2com;
3685
3686 if (ic->ic_curmode == IEEE80211_MODE_11B)
3687 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0xf);
3688 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3689 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3690 else
3691 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3692 }
3693
3694 /*
3695 * rt2870_asic_update_rtsthreshold
3696 */
3697 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3698 {
3699 struct ifnet *ifp;
3700 struct ieee80211com *ic;
3701 struct ieee80211vap *vap;
3702 uint32_t tmp;
3703 uint16_t threshold;
3704
3705 ifp = sc->ifp;
3706 ic = ifp->if_l2com;
3707 vap = TAILQ_FIRST(&ic->ic_vaps);
3708
3709 if (vap == NULL)
3710 threshold = IEEE80211_RTS_MAX;
3711 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3712 threshold = 0x1000;
3713 else
3714 threshold = vap->iv_rtsthreshold;
3715
3716 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3717 "%s: updating RTS threshold: %d\n",
3718 device_get_nameunit(sc->dev), threshold);
3719
3720 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3721
3722 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3723
3724 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3725 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3726
3727 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3728 }
3729
3730 /*
3731 * rt2870_asic_update_txpower
3732 */
3733 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3734 {
3735 struct ifnet *ifp;
3736 struct ieee80211com *ic;
3737 uint32_t *txpow_rate;
3738 int8_t delta;
3739 uint8_t val;
3740 uint32_t tmp;
3741 int i;
3742
3743 ifp = sc->ifp;
3744 ic = ifp->if_l2com;
3745
3746 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3747 "%s: updating Tx power: %d\n",
3748 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3749
3750 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3751 {
3752 txpow_rate = sc->txpow_rate_20mhz;
3753 }
3754 else
3755 {
3756 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3757 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3758 else
3759 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3760 }
3761
3762 delta = 0;
3763
3764 val = rt2870_io_bbp_read(sc, 1);
3765 val &= 0xfc;
3766
3767 if (ic->ic_txpowlimit > 90)
3768 {
3769 /* do nothing */
3770 }
3771 else if (ic->ic_txpowlimit > 60)
3772 {
3773 delta -= 1;
3774 }
3775 else if (ic->ic_txpowlimit > 30)
3776 {
3777 delta -= 3;
3778 }
3779 else if (ic->ic_txpowlimit > 15)
3780 {
3781 val |= 0x1;
3782 }
3783 else if (ic->ic_txpowlimit > 9)
3784 {
3785 val |= 0x1;
3786 delta -= 3;
3787 }
3788 else
3789 {
3790 val |= 0x2;
3791 }
3792
3793 rt2870_io_bbp_write(sc, 1, val);
3794
3795 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3796 {
3797 if (txpow_rate[i] == 0xffffffff)
3798 continue;
3799
3800 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3801
3802 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3803 }
3804 }
3805
3806 /*
3807 * rt2870_asic_update_promisc
3808 */
3809 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3810 {
3811 struct ifnet *ifp;
3812 uint32_t tmp;
3813
3814 ifp = sc->ifp;
3815
3816 printf("%s: %s promiscuous mode\n",
3817 device_get_nameunit(sc->dev),
3818 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3819
3820 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3821
3822 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3823
3824 if (!(ifp->if_flags & IFF_PROMISC))
3825 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3826
3827 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3828 }
3829
3830 /*
3831 * rt2870_asic_updateprot
3832 */
3833 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3834 {
3835 struct ifnet *ifp;
3836 struct ieee80211com *ic;
3837 struct ieee80211vap *vap;
3838 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3839 uint8_t htopmode;
3840 enum ieee80211_protmode htprotmode;
3841
3842 ifp = sc->ifp;
3843 ic = ifp->if_l2com;
3844 vap = TAILQ_FIRST(&ic->ic_vaps);
3845
3846 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
3847 return;
3848
3849 /* CCK frame protection */
3850
3851 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3852 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3853
3854 /* set up protection frame phy mode and rate (MCS code) */
3855
3856 if (ic->ic_curmode == IEEE80211_MODE_11A)
3857 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3858 (0 << RT2870_REG_PROT_MCS_SHIFT);
3859 else
3860 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3861 (3 << RT2870_REG_PROT_MCS_SHIFT));
3862
3863 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3864
3865 /* OFDM frame protection */
3866
3867 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3868 RT2870_REG_TXOP_ALLOW_ALL;
3869
3870 if (ic->ic_flags & IEEE80211_F_USEPROT)
3871 {
3872 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3873 "%s: updating protection mode: b/g protection mode=%s\n",
3874 device_get_nameunit(sc->dev),
3875 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3876 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3877
3878 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3879 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3880 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3881 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3882 else
3883 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3884 }
3885 else
3886 {
3887 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3888 "%s: updating protection mode: b/g protection mode=%s\n",
3889 device_get_nameunit(sc->dev), "none");
3890
3891 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3892 }
3893
3894 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3895
3896 /* HT frame protection */
3897
3898 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3899 htopmode = vap->iv_bss->ni_htopmode;
3900 else
3901 htopmode = ic->ic_curhtprotmode;
3902
3903 htprotmode = ic->ic_htprotmode;
3904
3905 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3906
3907 if (sc->tx_ampdu_sessions > 0)
3908 {
3909 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3910 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3911 device_get_nameunit(sc->dev));
3912
3913 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3914 htprotmode = IEEE80211_PROT_RTSCTS;
3915 }
3916
3917 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3918 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3919 device_get_nameunit(sc->dev),
3920 htopmode & IEEE80211_HTINFO_OPMODE,
3921 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3922 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3923
3924 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3925 {
3926 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3927 case IEEE80211_HTINFO_OPMODE_HT20PR:
3928 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3929 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3930 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3931 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3932 (4 << RT2870_REG_PROT_MCS_SHIFT);
3933
3934 gf20_prot = mm20_prot;
3935
3936 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3937 RT2870_REG_TXOP_ALLOW_ALL |
3938 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3939 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3940
3941 if (htprotmode == IEEE80211_PROT_RTSCTS)
3942 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3943 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3944 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3945 else
3946 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3947
3948 gf40_prot = mm40_prot;
3949 break;
3950
3951 /* IEEE80211_HTINFO_OPMODE_MIXED */
3952 case IEEE80211_HTINFO_OPMODE_MIXED:
3953 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3954 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3955 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3956
3957 if (ic->ic_flags & IEEE80211_F_USEPROT)
3958 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3959 (3 << RT2870_REG_PROT_MCS_SHIFT);
3960 else
3961 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3962 (4 << RT2870_REG_PROT_MCS_SHIFT);
3963
3964 if (htprotmode == IEEE80211_PROT_RTSCTS)
3965 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3966 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3967 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3968 else
3969 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3970
3971 gf20_prot = mm20_prot;
3972
3973 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3974
3975 if (ic->ic_flags & IEEE80211_F_USEPROT)
3976 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3977 (3 << RT2870_REG_PROT_MCS_SHIFT);
3978 else
3979 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3980 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3981
3982 if (htprotmode == IEEE80211_PROT_RTSCTS)
3983 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3984 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3985 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3986 else
3987 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3988
3989 gf40_prot = mm40_prot;
3990 break;
3991
3992 /*
3993 * IEEE80211_HTINFO_OPMODE_PURE
3994 * IEEE80211_HTINFO_OPMODE_PROTOPT
3995 */
3996 case IEEE80211_HTINFO_OPMODE_PURE:
3997 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3998 default:
3999 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
4000 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
4001 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
4002 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
4003 (4 << RT2870_REG_PROT_MCS_SHIFT);
4004
4005 gf20_prot = mm20_prot;
4006
4007 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
4008 RT2870_REG_TXOP_ALLOW_ALL |
4009 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
4010 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
4011
4012 gf40_prot = mm40_prot;
4013 break;
4014 }
4015
4016 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
4017 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
4018 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
4019 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
4020 }
4021
4022 /*
4023 * rt2870_asic_updateslot
4024 */
4025 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
4026 {
4027 struct ifnet *ifp;
4028 struct ieee80211com *ic;
4029 struct ieee80211vap *vap;
4030 uint32_t tmp;
4031
4032 ifp = sc->ifp;
4033 ic = ifp->if_l2com;
4034 vap = TAILQ_FIRST(&ic->ic_vaps);
4035
4036 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
4037 "%s: %s short slot time\n",
4038 device_get_nameunit(sc->dev),
4039 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
4040 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
4041
4042 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
4043
4044 tmp &= ~0xff;
4045
4046 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
4047 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
4048 tmp |= IEEE80211_DUR_SHSLOT;
4049 else
4050 tmp |= IEEE80211_DUR_SLOT;
4051
4052 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
4053 }
4054
4055 /*
4056 * rt2870_asic_wme_update
4057 */
4058 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
4059 {
4060 struct ifnet *ifp;
4061 struct ieee80211com *ic;
4062 struct ieee80211_wme_state *wme;
4063 const struct wmeParams *wmep;
4064 int i;
4065
4066 ifp = sc->ifp;
4067 ic = ifp->if_l2com;
4068 wme = &ic->ic_wme;
4069 wmep = wme->wme_chanParams.cap_wmeParams;
4070
4071 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
4072 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
4073 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
4074 device_get_nameunit(sc->dev),
4075 wmep[WME_AC_VO].wmep_aifsn,
4076 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
4077 wmep[WME_AC_VO].wmep_txopLimit,
4078 wmep[WME_AC_VI].wmep_aifsn,
4079 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
4080 wmep[WME_AC_VI].wmep_txopLimit,
4081 wmep[WME_AC_BK].wmep_aifsn,
4082 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
4083 wmep[WME_AC_BK].wmep_txopLimit,
4084 wmep[WME_AC_BE].wmep_aifsn,
4085 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
4086 wmep[WME_AC_BE].wmep_txopLimit);
4087
4088 for (i = 0; i < WME_NUM_AC; i++)
4089 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
4090 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
4091 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
4092
4093 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
4094 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
4095 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
4096
4097 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
4098 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
4099 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
4100
4101 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
4102 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
4103 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
4104
4105 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
4106 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
4107
4108 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
4109 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
4110 }
4111
4112 /*
4113 * rt2870_asic_update_beacon
4114 */
4115 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
4116 struct ieee80211vap *vap)
4117 {
4118 struct rt2870_softc_vap *rvap;
4119 struct mbuf *m;
4120 struct rt2870_txwi *txwi;
4121 uint32_t tmp;
4122
4123 rvap = (struct rt2870_softc_vap *) vap;
4124
4125 m = rvap->beacon_mbuf;
4126 txwi = &rvap->beacon_txwi;
4127
4128 /* disable temporarily TSF sync */
4129
4130 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
4131
4132 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
4133 RT2870_REG_TSF_TIMER_ENABLE |
4134 RT2870_REG_TBTT_TIMER_ENABLE);
4135
4136 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
4137
4138 /* write Tx wireless info and beacon frame to on-chip memory */
4139
4140 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
4141 txwi, sizeof(struct rt2870_txwi));
4142
4143 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
4144 mtod(m, uint8_t *), m->m_pkthdr.len);
4145
4146 /* enable again TSF sync */
4147
4148 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
4149
4150 tmp |= (RT2870_REG_BCN_TX_ENABLE |
4151 RT2870_REG_TSF_TIMER_ENABLE |
4152 RT2870_REG_TBTT_TIMER_ENABLE);
4153
4154 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
4155 }
4156
4157 /*
4158 * rt2870_asic_clear_keytables
4159 */
4160 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
4161 {
4162 int i;
4163
4164 /* clear Rx WCID search table (entries = 256, entry size = 8) */
4165
4166 for (i = 0; i < 256; i++)
4167 {
4168 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
4169 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
4170 }
4171
4172 /* clear WCID attribute table (entries = 256, entry size = 4) */
4173
4174 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
4175
4176 /* clear IV/EIV table (entries = 256, entry size = 8) */
4177
4178 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
4179
4180 /* clear pairwise key table (entries = 256, entry size = 32) */
4181
4182 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
4183
4184 /* clear shared key table (entries = 32, entry size = 32) */
4185
4186 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
4187
4188 /* clear shared key mode (entries = 32, entry size = 2) */
4189
4190 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
4191 }
4192
4193 /*
4194 * rt2870_asic_add_ba_session
4195 */
4196 static void rt2870_asic_add_ba_session(struct rt2870_softc *sc,
4197 uint8_t wcid, int tid)
4198 {
4199 uint32_t tmp;
4200
4201 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
4202
4203 tmp |= (0x10000 << tid);
4204
4205 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
4206 }
4207
4208 /*
4209 * rt2860_asic_del_ba_session
4210 */
4211 static void rt2870_asic_del_ba_session(struct rt2870_softc *sc,
4212 uint8_t wcid, int tid)
4213 {
4214 uint32_t tmp;
4215
4216 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
4217
4218 tmp &= ~(0x10000 << tid);
4219
4220 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
4221 }
4222
4223 /*
4224 * rt2870_beacon_alloc
4225 */
4226 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
4227 struct ieee80211vap *vap)
4228 {
4229 struct ieee80211com *ic;
4230 struct rt2870_softc_vap *rvap;
4231 struct mbuf *m;
4232 struct rt2870_txwi txwi;
4233 uint8_t rate, mcs;
4234
4235 ic = vap->iv_ic;
4236 rvap = (struct rt2870_softc_vap *) vap;
4237
4238 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
4239 if (m == NULL)
4240 return ENOMEM;
4241
4242 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
4243 mcs = rt2870_rate2mcs(rate);
4244
4245 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
4246 "%s: beacon allocate: mcs=0x%02x\n",
4247 device_get_nameunit(sc->dev), mcs);
4248
4249 memset(&txwi, 0, sizeof(struct rt2870_txwi));
4250
4251 txwi.wcid = RT2870_WCID_RESERVED;
4252 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4253 RT2870_TXWI_MPDU_LEN_SHIFT);
4254 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4255 txwi.mpdu_density_flags |=
4256 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4257 txwi.bawin_size_xflags |=
4258 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
4259
4260 if (rate == 2)
4261 {
4262 txwi.phymode_ifs_stbc_shortgi =
4263 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4264
4265 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4266 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4267 }
4268 else
4269 {
4270 txwi.phymode_ifs_stbc_shortgi =
4271 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4272 }
4273
4274 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4275 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4276
4277 if (rvap->beacon_mbuf != NULL)
4278 {
4279 m_free(rvap->beacon_mbuf);
4280 rvap->beacon_mbuf = NULL;
4281 }
4282
4283 rvap->beacon_mbuf = m;
4284 rvap->beacon_txwi = txwi;
4285
4286 return 0;
4287 }
4288
4289 /*
4290 * rt2870_rxrate
4291 */
4292 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
4293 {
4294 uint8_t mcs, phymode;
4295 uint8_t rate;
4296
4297 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
4298 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4299 RT2870_RXWI_PHYMODE_MASK;
4300
4301 rate = 2;
4302
4303 switch (phymode)
4304 {
4305 case RT2870_RXWI_PHYMODE_CCK:
4306 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
4307 {
4308 case 0: rate = 2; break; /* 1 Mbps */
4309 case 1: rate = 4; break; /* 2 MBps */
4310 case 2: rate = 11; break; /* 5.5 Mbps */
4311 case 3: rate = 22; break; /* 11 Mbps */
4312 }
4313 break;
4314
4315 case RT2870_RXWI_PHYMODE_OFDM:
4316 switch (mcs)
4317 {
4318 case 0: rate = 12; break; /* 6 Mbps */
4319 case 1: rate = 18; break; /* 9 Mbps */
4320 case 2: rate = 24; break; /* 12 Mbps */
4321 case 3: rate = 36; break; /* 18 Mbps */
4322 case 4: rate = 48; break; /* 24 Mbps */
4323 case 5: rate = 72; break; /* 36 Mbps */
4324 case 6: rate = 96; break; /* 48 Mbps */
4325 case 7: rate = 108; break; /* 54 Mbps */
4326 }
4327 break;
4328
4329 case RT2870_RXWI_PHYMODE_HT_MIXED:
4330 case RT2870_RXWI_PHYMODE_HT_GF:
4331 break;
4332 }
4333
4334 return rate;
4335 }
4336
4337 /*
4338 * rt2870_maxrssi_rxpath
4339 */
4340 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
4341 const struct rt2870_rxwi *rxwi)
4342 {
4343 uint8_t rxpath;
4344
4345 rxpath = 0;
4346
4347 if (sc->nrxpath > 1)
4348 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4349 rxpath = 1;
4350
4351 if (sc->nrxpath > 2)
4352 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4353 rxpath = 2;
4354
4355 return rxpath;
4356 }
4357
4358 /*
4359 * rt2870_rssi2dbm
4360 */
4361 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
4362 uint8_t rssi, uint8_t rxpath)
4363 {
4364 struct ifnet *ifp;
4365 struct ieee80211com *ic;
4366 struct ieee80211_channel *c;
4367 int chan;
4368 int8_t rssi_off, lna_gain;
4369
4370 if (rssi == 0)
4371 return -99;
4372
4373 ifp = sc->ifp;
4374 ic = ifp->if_l2com;
4375 c = ic->ic_curchan;
4376 chan = ieee80211_chan2ieee(ic, c);
4377
4378 if (IEEE80211_IS_CHAN_5GHZ(c))
4379 {
4380 rssi_off = sc->rssi_off_5ghz[rxpath];
4381
4382 if (chan <= 64)
4383 lna_gain = sc->lna_gain[1];
4384 else if (chan <= 128)
4385 lna_gain = sc->lna_gain[2];
4386 else
4387 lna_gain = sc->lna_gain[3];
4388 }
4389 else
4390 {
4391 rssi_off = sc->rssi_off_2ghz[rxpath];
4392 lna_gain = sc->lna_gain[0];
4393 }
4394
4395 return (-12 - rssi_off - lna_gain - rssi);
4396 }
4397
4398 /*
4399 * rt2870_rate2mcs
4400 */
4401 static uint8_t rt2870_rate2mcs(uint8_t rate)
4402 {
4403 switch (rate)
4404 {
4405 /* CCK rates */
4406 case 2: return 0;
4407 case 4: return 1;
4408 case 11: return 2;
4409 case 22: return 3;
4410
4411 /* OFDM rates */
4412 case 12: return 0;
4413 case 18: return 1;
4414 case 24: return 2;
4415 case 36: return 3;
4416 case 48: return 4;
4417 case 72: return 5;
4418 case 96: return 6;
4419 case 108: return 7;
4420 }
4421
4422 return 0;
4423 }
4424
4425 /*
4426 * rt2870_rx_frame
4427 */
4428 static void rt2870_rx_frame(struct rt2870_softc *sc,
4429 uint8_t *buf, uint32_t dmalen)
4430 {
4431 struct ifnet *ifp;
4432 struct ieee80211com *ic;
4433 struct ieee80211_frame *wh;
4434 struct ieee80211_node *ni;
4435 struct rt2870_softc_node *rni;
4436 struct rt2870_softc_rx_radiotap_header *tap;
4437 struct rt2870_rxwi *rxwi;
4438 struct rt2870_rxinfo *rxinfo;
4439 struct mbuf *m;
4440 uint32_t rxinfo_flags;
4441 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
4442 uint16_t seq;
4443 int8_t rssi_dbm;
4444 int len, ampdu, amsdu, rssi_dbm_rel, i;
4445
4446 ifp = sc->ifp;
4447 ic = ifp->if_l2com;
4448
4449 /* get Rx wireless info */
4450
4451 rxwi = (struct rt2870_rxwi *) buf;
4452 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
4453 RT2870_RXWI_SIZE_MASK;
4454
4455 if (len > dmalen)
4456 {
4457 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4458 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
4459 device_get_nameunit(sc->dev), dmalen, len);
4460 return;
4461 }
4462
4463 /* get Rx info */
4464
4465 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
4466 rxinfo_flags = le32toh(rxinfo->flags);
4467
4468 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4469 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
4470 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
4471
4472 /* check for crc errors */
4473
4474 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4475 {
4476 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4477 "%s: rxinfo: crc error\n",
4478 device_get_nameunit(sc->dev));
4479
4480 ifp->if_ierrors++;
4481
4482 if (!(ifp->if_flags & IFF_PROMISC))
4483 return;
4484 }
4485
4486 wh = (struct ieee80211_frame *) (rxwi + 1);
4487
4488 /* check for L2 padding between IEEE 802.11 frame header and body */
4489
4490 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
4491 {
4492 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4493 "%s: L2 padding: DMA len=%d, len=%d\n",
4494 device_get_nameunit(sc->dev), dmalen, len);
4495
4496 len += 2;
4497 }
4498
4499 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4500 if (m == NULL)
4501 {
4502 sc->rx_mbuf_alloc_errors++;
4503 ifp->if_ierrors++;
4504 return;
4505 }
4506
4507 m->m_pkthdr.rcvif = ifp;
4508 m->m_pkthdr.len = m->m_len = len;
4509
4510 m_copyback(m, 0, len, (caddr_t) wh);
4511
4512 wh = mtod(m, struct ieee80211_frame *);
4513
4514 /* check for cipher errors */
4515
4516 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4517 {
4518 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4519 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4520 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4521 {
4522 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4523 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4524
4525 m->m_flags |= M_WEP;
4526
4527 sc->rx_cipher_no_errors++;
4528 }
4529 else
4530 {
4531 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4532 "%s: rxinfo: cipher error=0x%02x\n",
4533 device_get_nameunit(sc->dev), cipher_err);
4534
4535 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_ICV)
4536 sc->rx_cipher_icv_errors++;
4537 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC)
4538 sc->rx_cipher_mic_errors++;
4539 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_INVALID_KEY)
4540 sc->rx_cipher_invalid_key_errors++;
4541
4542 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4543 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4544 {
4545 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
4546 if (ni != NULL)
4547 {
4548 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4549 RT2870_RXWI_KEYIDX_MASK;
4550
4551 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
4552
4553 ieee80211_free_node(ni);
4554 }
4555 }
4556
4557 ifp->if_ierrors++;
4558
4559 if (!(ifp->if_flags & IFF_PROMISC))
4560 {
4561 m_free(m);
4562 return;
4563 }
4564 }
4565 }
4566 else
4567 {
4568 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4569 {
4570 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4571 "%s: rxinfo: not decrypted but protected flag set\n",
4572 device_get_nameunit(sc->dev));
4573
4574 ifp->if_ierrors++;
4575
4576 if (!(ifp->if_flags & IFF_PROMISC))
4577 {
4578 m_free(m);
4579 return;
4580 }
4581 }
4582 }
4583
4584 /* check for A-MPDU */
4585
4586 if (rxinfo_flags & RT2870_RXINFO_FLAGS_BA)
4587 {
4588 m->m_flags |= M_AMPDU;
4589
4590 sc->rx_ampdu++;
4591
4592 if (wh->i_fc[1] & IEEE80211_FC1_RETRY)
4593 sc->rx_ampdu_retries++;
4594
4595 ampdu = 1;
4596 }
4597 else
4598 {
4599 ampdu = 0;
4600 }
4601
4602 /* check for A-MSDU */
4603
4604 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4605 {
4606 sc->rx_amsdu++;
4607
4608 amsdu = 1;
4609 }
4610 else
4611 {
4612 amsdu = 0;
4613 }
4614
4615 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4616 rssi = rxwi->rssi[ant];
4617 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4618 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4619 RT2870_RXWI_PHYMODE_MASK);
4620 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4621 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4622 RT2870_RXWI_SHORTGI_MASK);
4623 stbc = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_STBC_SHIFT) &
4624 RT2870_RXWI_STBC_MASK);
4625 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4626 tid = ((rxwi->tid_size >> RT2870_RXWI_TID_SHIFT) & RT2870_RXWI_TID_MASK);
4627 seq = ((rxwi->seq_frag >> RT2870_RXWI_SEQ_SHIFT) & RT2870_RXWI_SEQ_MASK);
4628 frag = ((rxwi->seq_frag >> RT2870_RXWI_FRAG_SHIFT) & RT2870_RXWI_FRAG_MASK);
4629
4630 if (ieee80211_radiotap_active(ic))
4631 {
4632 tap = &sc->rxtap;
4633
4634 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4635 tap->dbm_antsignal = rssi_dbm;
4636 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4637 tap->antenna = ant;
4638 tap->antsignal = rssi;
4639 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4640 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4641 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4642 tap->chan_maxpow = 0;
4643
4644 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4645 tap->rate = rt2870_rxrate(rxwi);
4646 else
4647 tap->rate = mcs | IEEE80211_RATE_MCS;
4648
4649 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4650 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4651
4652 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4653 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4654
4655 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4656 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4657
4658 if ((rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED) ||
4659 (wh->i_fc[1] & IEEE80211_FC1_WEP))
4660 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4661
4662 if (shortgi)
4663 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4664
4665 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
4666
4667 if (ampdu)
4668 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
4669 }
4670
4671 /*
4672 * net80211 assumes that RSSI data are in the range [-127..127] and
4673 * in .5 dBm units relative to the current noise floor
4674 */
4675
4676 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4677 if (rssi_dbm_rel > 127)
4678 rssi_dbm_rel = 127;
4679
4680 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4681 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
4682 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
4683 "retry=%d, rssi_dbm=%d, rssi_dbm_rel=%d\n",
4684 device_get_nameunit(sc->dev),
4685 len, phymode, bw, shortgi, stbc, mcs,
4686 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4687 rxwi->snr[0], rxwi->snr[1],
4688 rxwi->wcid, ampdu, amsdu, tid, seq, frag, (wh->i_fc[1] & IEEE80211_FC1_RETRY) ? 1 : 0,
4689 rssi_dbm, rssi_dbm_rel);
4690
4691 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4692 if (ni != NULL)
4693 {
4694 rni = (struct rt2870_softc_node *) ni;
4695
4696 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4697 {
4698 rni->last_rssi[i] = rxwi->rssi[i];
4699 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4700 }
4701
4702 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4703 ieee80211_free_node(ni);
4704 }
4705 else
4706 {
4707 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4708 }
4709 }
4710
4711 /*
4712 * rt2870_tx_mgmt
4713 */
4714 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4715 struct mbuf *m, struct ieee80211_node *ni, int qid)
4716 {
4717 struct ifnet *ifp;
4718 struct ieee80211com *ic;
4719 struct ieee80211vap *vap;
4720 const struct ieee80211_txparam *tp;
4721 struct rt2870_softc_node *rni;
4722 struct rt2870_softc_tx_ring *ring;
4723 struct rt2870_softc_tx_data *data;
4724 struct rt2870_txinfo *txinfo;
4725 struct rt2870_txwi *txwi;
4726 struct ieee80211_frame *wh;
4727 struct rt2870_softc_tx_radiotap_header *tap;
4728 u_int hdrsize, hdrspace;
4729 uint8_t rate, stbc, shortgi, mcs, pid;
4730 uint16_t len, dmalen, mpdu_len, dur;
4731 int mimops;
4732
4733 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4734 ("%s: Tx MGMT: invalid qid=%d\n",
4735 device_get_nameunit(sc->dev), qid));
4736
4737 ifp = sc->ifp;
4738 ic = ifp->if_l2com;
4739 vap = ni->ni_vap;
4740 rni = (struct rt2870_softc_node *) ni;
4741 tp = ni->ni_txparms;
4742
4743 ring = &sc->tx_ring[qid];
4744 data = STAILQ_FIRST(&ring->inactive);
4745 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4746 txinfo = (struct rt2870_txinfo *) data->buf;
4747 txwi = (struct rt2870_txwi *) (txinfo + 1);
4748
4749 wh = mtod(m, struct ieee80211_frame *);
4750
4751 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4752
4753 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4754
4755 /* align end on a 4-bytes boundary */
4756
4757 dmalen = (len + 3) & ~3;
4758
4759 /* fill Tx info */
4760
4761 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4762
4763 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4764
4765 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4766
4767 dmalen += 4;
4768
4769 memset((caddr_t) txinfo + len, 0, dmalen - len);
4770
4771 /* fill Tx wireless info */
4772
4773 if (ni->ni_flags & IEEE80211_NODE_HT)
4774 mcs = rate;
4775 else
4776 mcs = rt2870_rate2mcs(rate);
4777
4778 /* calculate MPDU length without padding */
4779
4780 hdrsize = ieee80211_anyhdrsize(wh);
4781 hdrspace = ieee80211_anyhdrspace(ic, wh);
4782 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4783
4784 memset(txwi, 0, sizeof(struct rt2870_txwi));
4785
4786 /* management frames do not need encryption */
4787
4788 txwi->wcid = 0xff;
4789
4790 /* MIMO power save */
4791
4792 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4793 {
4794 if (mcs > 7)
4795 {
4796 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4797 {
4798 /* dynamic MIMO power save */
4799
4800 txwi->mpdu_density_flags |=
4801 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4802 }
4803 else
4804 {
4805 /* static MIMO power save */
4806
4807 mcs = 7;
4808 }
4809 }
4810
4811 mimops = 1;
4812 }
4813 else
4814 {
4815 mimops = 0;
4816 }
4817
4818 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4819
4820 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4821 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4822 RT2870_TXWI_MPDU_LEN_SHIFT);
4823
4824 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4825 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4826
4827 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4828 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4829
4830 txwi->phymode_ifs_stbc_shortgi |=
4831 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4832 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4833
4834 txwi->phymode_ifs_stbc_shortgi |=
4835 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4836
4837 if (ni->ni_flags & IEEE80211_NODE_HT)
4838 {
4839 txwi->phymode_ifs_stbc_shortgi |=
4840 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4841 }
4842 else
4843 {
4844 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4845 {
4846 txwi->phymode_ifs_stbc_shortgi |=
4847 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4848
4849 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4850 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4851 }
4852 else
4853 {
4854 txwi->phymode_ifs_stbc_shortgi |=
4855 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4856 }
4857 }
4858
4859 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4860 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4861
4862 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4863
4864 /* skip ACKs for multicast frames */
4865
4866 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4867 {
4868 txwi->bawin_size_xflags |=
4869 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4870
4871 if (ni->ni_flags & IEEE80211_NODE_HT)
4872 {
4873 /* preamble + plcp + signal extension + SIFS */
4874
4875 dur = 16 + 4 + 6 + 10;
4876 }
4877 else
4878 {
4879 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4880 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4881 }
4882
4883 *(uint16_t *) wh->i_dur = htole16(dur);
4884 }
4885
4886 /* ask MAC to insert timestamp into probe responses */
4887
4888 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4889 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4890 txwi->mpdu_density_flags |=
4891 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4892
4893 if (ieee80211_radiotap_active_vap(vap))
4894 {
4895 tap = &sc->txtap;
4896
4897 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4898 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4899 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4900 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4901 tap->chan_maxpow = 0;
4902
4903 if (ni->ni_flags & IEEE80211_NODE_HT)
4904 tap->rate = mcs | IEEE80211_RATE_MCS;
4905 else
4906 tap->rate = rate;
4907
4908 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4909 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4910
4911 if (shortgi)
4912 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4913
4914 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4915 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4916
4917 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4918 {
4919 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4920
4921 ieee80211_radiotap_tx(vap, m);
4922
4923 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4924 }
4925 else
4926 {
4927 ieee80211_radiotap_tx(vap, m);
4928 }
4929 }
4930
4931 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4932
4933 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4934 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4935 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4936 device_get_nameunit(sc->dev),
4937 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4938
4939 data->len = dmalen;
4940 data->m = m;
4941 data->ni = ni;
4942
4943 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4944 ring->queued++;
4945
4946 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4947
4948 return 0;
4949 }
4950
4951 /*
4952 * rt2870_tx_data
4953 */
4954 static int rt2870_tx_data(struct rt2870_softc *sc,
4955 struct mbuf *m, struct ieee80211_node *ni, int qid)
4956 {
4957 struct ifnet *ifp;
4958 struct ieee80211com *ic;
4959 struct ieee80211vap *vap;
4960 const struct ieee80211_txparam *tp;
4961 struct rt2870_softc_node *rni;
4962 struct rt2870_softc_tx_ring *ring;
4963 struct rt2870_softc_tx_data *data;
4964 struct rt2870_txinfo *txinfo;
4965 struct rt2870_txwi *txwi;
4966 struct ieee80211_frame *wh;
4967 struct ieee80211_tx_ampdu *tx_ampdu;
4968 ieee80211_seq seqno;
4969 struct rt2870_softc_tx_radiotap_header *tap;
4970 u_int hdrsize, hdrspace;
4971 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4972 uint16_t qos, len, dmalen, mpdu_len, dur;
4973 int hasqos, ac, tid, ampdu, mimops;
4974
4975 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4976 ("%s: Tx data: invalid qid=%d\n",
4977 device_get_nameunit(sc->dev), qid));
4978
4979 ifp = sc->ifp;
4980 ic = ifp->if_l2com;
4981 vap = ni->ni_vap;
4982 rni = (struct rt2870_softc_node *) ni;
4983 tp = ni->ni_txparms;
4984
4985 ring = &sc->tx_ring[qid];
4986 data = STAILQ_FIRST(&ring->inactive);
4987 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4988 txinfo = (struct rt2870_txinfo *) data->buf;
4989 txwi = (struct rt2870_txwi *) (txinfo + 1);
4990
4991 wh = mtod(m, struct ieee80211_frame *);
4992
4993 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4994
4995 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4996 if (hasqos)
4997 {
4998 if (IEEE80211_HAS_ADDR4(wh))
4999 qos = le16toh(*(const uint16_t *)
5000 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
5001 else
5002 qos = le16toh(*(const uint16_t *)
5003 (((struct ieee80211_qosframe *) wh)->i_qos));
5004 }
5005 else
5006 {
5007 qos = 0;
5008 }
5009
5010 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
5011 rate = tp->mcastrate;
5012 else if (m->m_flags & M_EAPOL)
5013 rate = tp->mgmtrate;
5014 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
5015 rate = tp->ucastrate;
5016 else
5017 rate = ni->ni_txrate;
5018
5019 rate &= IEEE80211_RATE_VAL;
5020
5021 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
5022
5023 /* align end on a 4-bytes boundary */
5024
5025 dmalen = (len + 3) & ~3;
5026
5027 /* fill Tx info */
5028
5029 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
5030
5031 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
5032
5033 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
5034
5035 dmalen += 4;
5036
5037 memset((caddr_t) txinfo + len, 0, dmalen - len);
5038
5039 /* fill Tx wireless info */
5040
5041 if (ni->ni_flags & IEEE80211_NODE_HT)
5042 mcs = rate;
5043 else
5044 mcs = rt2870_rate2mcs(rate);
5045
5046 if (type == IEEE80211_FC0_TYPE_DATA)
5047 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2870_WCID_MCAST;
5048 else
5049 wcid = RT2870_WCID_RESERVED;
5050
5051 /* calculate MPDU length without padding */
5052
5053 hdrsize = ieee80211_anyhdrsize(wh);
5054 hdrspace = ieee80211_anyhdrspace(ic, wh);
5055 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
5056
5057 memset(txwi, 0, sizeof(struct rt2870_txwi));
5058
5059 txwi->wcid = wcid;
5060
5061 /* MIMO power save */
5062
5063 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
5064 {
5065 if (mcs > 7)
5066 {
5067 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
5068 {
5069 /* dynamic MIMO power save */
5070
5071 txwi->mpdu_density_flags |=
5072 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
5073 }
5074 else
5075 {
5076 /* static MIMO power save */
5077
5078 mcs = 7;
5079 }
5080 }
5081
5082 mimops = 1;
5083 }
5084 else
5085 {
5086 mimops = 0;
5087 }
5088
5089 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
5090
5091 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
5092 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
5093 RT2870_TXWI_MPDU_LEN_SHIFT);
5094
5095 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
5096 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
5097
5098 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
5099 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
5100
5101 txwi->phymode_ifs_stbc_shortgi |=
5102 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
5103 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
5104
5105 if (ni->ni_flags & IEEE80211_NODE_HT)
5106 {
5107 txwi->phymode_ifs_stbc_shortgi |=
5108 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
5109 }
5110 else
5111 {
5112 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
5113 {
5114 txwi->phymode_ifs_stbc_shortgi |=
5115 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
5116
5117 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
5118 mcs |= RT2870_TXWI_MCS_SHOTPRE;
5119 }
5120 else
5121 {
5122 txwi->phymode_ifs_stbc_shortgi |=
5123 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
5124 }
5125 }
5126
5127 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
5128 bw = RT2870_TXWI_BW_40;
5129 else
5130 bw = RT2870_TXWI_BW_20;
5131
5132 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
5133 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
5134
5135 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
5136
5137 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
5138 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
5139 {
5140 txwi->bawin_size_xflags |=
5141 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
5142
5143 if (ni->ni_flags & IEEE80211_NODE_HT)
5144 {
5145 /* preamble + plcp + signal extension + SIFS */
5146
5147 dur = 16 + 4 + 6 + 10;
5148 }
5149 else
5150 {
5151 dur = ieee80211_ack_duration(ic->ic_rt, rate,
5152 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
5153 }
5154
5155 *(uint16_t *) wh->i_dur = htole16(dur);
5156 }
5157
5158 /* check fo A-MPDU */
5159
5160 if (m->m_flags & M_AMPDU_MPDU)
5161 {
5162 ac = M_WME_GETAC(m);
5163 tid = WME_AC_TO_TID(ac);
5164 tx_ampdu = &ni->ni_tx_ampdu[ac];
5165
5166 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
5167 bawin_size = tx_ampdu->txa_wnd;
5168
5169 txwi->mpdu_density_flags |=
5170 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
5171 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
5172
5173 txwi->bawin_size_xflags |=
5174 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
5175
5176 seqno = ni->ni_txseqs[tid]++;
5177
5178 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
5179
5180 ampdu = 1;
5181 }
5182 else
5183 {
5184 mpdu_density = 0;
5185 bawin_size = 0;
5186 ampdu = 0;
5187 }
5188
5189 /* ask MAC to insert timestamp into probe responses */
5190
5191 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
5192 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
5193 txwi->mpdu_density_flags |=
5194 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
5195
5196 if (ieee80211_radiotap_active_vap(vap))
5197 {
5198 tap = &sc->txtap;
5199
5200 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
5201 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5202 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5203 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5204 tap->chan_maxpow = 0;
5205
5206 if (ni->ni_flags & IEEE80211_NODE_HT)
5207 tap->rate = mcs | IEEE80211_RATE_MCS;
5208 else
5209 tap->rate = rate;
5210
5211 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
5212 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5213
5214 if (shortgi)
5215 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5216
5217 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5218 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5219
5220 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
5221
5222 if (ampdu)
5223 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
5224
5225 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5226 {
5227 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5228
5229 ieee80211_radiotap_tx(vap, m);
5230
5231 wh->i_fc[1] |= IEEE80211_FC1_WEP;
5232 }
5233 else
5234 {
5235 ieee80211_radiotap_tx(vap, m);
5236 }
5237 }
5238
5239 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
5240
5241 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5242 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
5243 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
5244 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d\n",
5245 device_get_nameunit(sc->dev),
5246 qid, hdrsize, hdrspace, m->m_pkthdr.len,
5247 bw, stbc, shortgi, mcs, wcid,
5248 ampdu, mpdu_density, bawin_size, mimops, dmalen);
5249
5250 data->len = dmalen;
5251 data->m = m;
5252 data->ni = ni;
5253
5254 STAILQ_INSERT_TAIL(&ring->pending, data, next);
5255 ring->queued++;
5256
5257 usbd_transfer_start(sc->usb_xfer[1 + qid]);
5258
5259 return 0;
5260 }
5261
5262 /*
5263 * rt2870_tx_raw
5264 */
5265 static int rt2870_tx_raw(struct rt2870_softc *sc,
5266 struct mbuf *m, struct ieee80211_node *ni,
5267 const struct ieee80211_bpf_params *params)
5268 {
5269 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5270 "%s: Tx raw\n",
5271 device_get_nameunit(sc->dev));
5272
5273 return 0;
5274 }
5275
5276 /*
5277 * rt2870_rx_intr
5278 */
5279 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
5280 {
5281 struct rt2870_softc *sc;
5282 struct ifnet *ifp;
5283 struct rt2870_softc_rx_ring *ring;
5284 struct rt2870_softc_rx_data *data;
5285 int len;
5286
5287 sc = usbd_xfer_softc(xfer);
5288 ifp = sc->ifp;
5289 ring = &sc->rx_ring;
5290
5291 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5292 "%s: Rx interrupt: state=%d, error=%s\n",
5293 device_get_nameunit(sc->dev),
5294 USB_GET_STATE(xfer), usbd_errstr(error));
5295
5296 switch (USB_GET_STATE(xfer))
5297 {
5298 case USB_ST_TRANSFERRED:
5299 sc->interrupts++;
5300 sc->rx_interrupts++;
5301
5302 data = STAILQ_FIRST(&ring->active);
5303 if (data == NULL)
5304 goto setup;
5305
5306 STAILQ_REMOVE_HEAD(&ring->active, next);
5307
5308 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
5309
5310 data->len = len;
5311
5312 STAILQ_INSERT_TAIL(&ring->done, data, next);
5313
5314 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5315
5316 /* FALLTHROUGH */
5317
5318 setup:
5319
5320 case USB_ST_SETUP:
5321 data = STAILQ_FIRST(&ring->inactive);
5322 if (data == NULL)
5323 break;
5324
5325 STAILQ_REMOVE_HEAD(&ring->inactive, next);
5326
5327 STAILQ_INSERT_TAIL(&ring->active, data, next);
5328
5329 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
5330 usbd_transfer_submit(xfer);
5331 break;
5332
5333 default:
5334 sc->interrupts++;
5335 sc->rx_interrupts++;
5336
5337 data = STAILQ_FIRST(&ring->active);
5338 if (data != NULL)
5339 {
5340 STAILQ_REMOVE_HEAD(&ring->active, next);
5341 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5342 }
5343
5344 if (error != USB_ERR_CANCELLED)
5345 {
5346 ifp->if_ierrors++;
5347
5348 usbd_xfer_set_stall(xfer);
5349
5350 goto setup;
5351 }
5352 break;
5353 }
5354 }
5355
5356 /*
5357 * rt2870_tx_intr
5358 */
5359 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
5360 {
5361 struct rt2870_softc *sc;
5362 struct ifnet *ifp;
5363 struct rt2870_softc_tx_ring *ring;
5364 struct rt2870_softc_tx_data *data;
5365
5366 sc = usbd_xfer_softc(xfer);
5367 ifp = sc->ifp;
5368 ring = usbd_xfer_get_priv(xfer);
5369
5370 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
5371
5372 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5373 "%s: Tx interrupt: state=%d, error=%s\n",
5374 device_get_nameunit(sc->dev),
5375 USB_GET_STATE(xfer), usbd_errstr(error));
5376
5377 switch (USB_GET_STATE(xfer))
5378 {
5379 case USB_ST_TRANSFERRED:
5380 sc->interrupts++;
5381 sc->tx_interrupts[ring->qid]++;
5382
5383 data = STAILQ_FIRST(&ring->active);
5384 if (data == NULL)
5385 goto setup;
5386
5387 STAILQ_REMOVE_HEAD(&ring->active, next);
5388
5389 STAILQ_INSERT_TAIL(&ring->done, data, next);
5390
5391 sc->tx_qid_pending_mask |= (1 << ring->qid);
5392
5393 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5394
5395 /* FALLTHROUGH */
5396
5397 setup:
5398
5399 case USB_ST_SETUP:
5400 data = STAILQ_FIRST(&ring->pending);
5401 if (data == NULL)
5402 break;
5403
5404 STAILQ_REMOVE_HEAD(&ring->pending, next);
5405 STAILQ_INSERT_TAIL(&ring->active, data, next);
5406
5407 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
5408 usbd_transfer_submit(xfer);
5409
5410 RT2870_SOFTC_UNLOCK(sc);
5411
5412 rt2870_start(ifp);
5413
5414 RT2870_SOFTC_LOCK(sc);
5415 break;
5416
5417 default:
5418 sc->interrupts++;
5419 sc->tx_interrupts[ring->qid]++;
5420
5421 data = STAILQ_FIRST(&ring->active);
5422 if (data != NULL)
5423 {
5424 STAILQ_REMOVE_HEAD(&ring->active, next);
5425
5426 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
5427 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
5428
5429 if (data->m != NULL)
5430 {
5431 m_freem(data->m);
5432 data->m = NULL;
5433 }
5434
5435 if (data->ni != NULL)
5436 {
5437 ieee80211_free_node(data->ni);
5438 data->ni = NULL;
5439 }
5440
5441 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5442
5443 ring->queued--;
5444 }
5445
5446 if (error != USB_ERR_CANCELLED)
5447 {
5448 ifp->if_oerrors++;
5449 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5450
5451 usbd_xfer_set_stall(xfer);
5452
5453 goto setup;
5454 }
5455 break;
5456 }
5457 }
5458
5459 /*
5460 * rt2870_rx_done_task
5461 */
5462 static void rt2870_rx_done_task(void *context, int pending)
5463 {
5464 struct rt2870_softc *sc;
5465 struct ifnet *ifp;
5466
5467 sc = context;
5468 ifp = sc->ifp;
5469
5470 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5471 "%s: Rx done task\n",
5472 device_get_nameunit(sc->dev));
5473
5474 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5475 return;
5476
5477 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
5478 {
5479 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5480 "%s: Rx done task: scheduling again\n",
5481 device_get_nameunit(sc->dev));
5482
5483 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5484 }
5485 }
5486
5487 /*
5488 * rt2870_tx_done_task
5489 */
5490 static void rt2870_tx_done_task(void *context, int pending)
5491 {
5492 struct rt2870_softc *sc;
5493 struct ifnet *ifp;
5494 int i;
5495
5496 sc = context;
5497 ifp = sc->ifp;
5498
5499 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5500 "%s: Tx done task\n",
5501 device_get_nameunit(sc->dev));
5502
5503 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5504 return;
5505
5506 for (i = sc->usb_endpoints - 2; i >= 0; i--)
5507 {
5508 if (sc->tx_qid_pending_mask & (1 << i))
5509 {
5510 sc->tx_qid_pending_mask &= ~(1 << i);
5511
5512 rt2870_tx_eof(sc, &sc->tx_ring[i]);
5513 }
5514 }
5515
5516 if (sc->tx_qid_pending_mask != 0)
5517 {
5518 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5519 "%s: Tx done task: scheduling again\n",
5520 device_get_nameunit(sc->dev));
5521
5522 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5523 }
5524
5525 sc->tx_timer = 0;
5526
5527 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5528 }
5529
5530 /*
5531 * rt2870_periodic_task
5532 */
5533 static void rt2870_periodic_task(void *context, int pending)
5534 {
5535 struct rt2870_softc *sc;
5536 struct ifnet *ifp;
5537 struct ieee80211com *ic;
5538 struct ieee80211vap *vap;
5539
5540 sc = context;
5541 ifp = sc->ifp;
5542 ic = ifp->if_l2com;
5543 vap = TAILQ_FIRST(&ic->ic_vaps);
5544
5545 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5546 "%s: periodic task: round=%lu\n",
5547 device_get_nameunit(sc->dev), sc->periodic_round);
5548
5549 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5550 return;
5551
5552 RT2870_SOFTC_LOCK(sc);
5553
5554 sc->periodic_round++;
5555
5556 rt2870_update_stats(sc);
5557
5558 if ((sc->periodic_round % 10) == 0)
5559 {
5560 rt2870_bbp_tuning(sc);
5561
5562 rt2870_update_raw_counters(sc);
5563
5564 rt2870_watchdog(sc);
5565
5566 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5567 {
5568 if (vap->iv_opmode == IEEE80211_M_STA)
5569 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
5570 else
5571 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
5572 }
5573 }
5574
5575 RT2870_SOFTC_UNLOCK(sc);
5576
5577 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5578 }
5579
5580 /*
5581 * rt2870_cmd_task
5582 */
5583 static void rt2870_cmd_task(void *context, int pending)
5584 {
5585 struct rt2870_softc *sc;
5586 struct rt2870_softc_cmd_ring *ring;
5587 struct rt2870_softc_cmd *cmd;
5588
5589 sc = context;
5590 ring = &sc->cmd_ring;
5591
5592 while (1)
5593 {
5594 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
5595 break;
5596
5597 RT2870_SOFTC_LOCK(sc);
5598
5599 cmd = STAILQ_FIRST(&ring->active);
5600 if (cmd == NULL)
5601 {
5602 RT2870_SOFTC_UNLOCK(sc);
5603 break;
5604 }
5605
5606 STAILQ_REMOVE_HEAD(&ring->active, next);
5607
5608 RT2870_SOFTC_UNLOCK(sc);
5609
5610 cmd->cb(sc, cmd->data);
5611
5612 RT2870_SOFTC_LOCK(sc);
5613
5614 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5615 ring->queued--;
5616
5617 RT2870_SOFTC_UNLOCK(sc);
5618 }
5619 }
5620
5621 /*
5622 * rt2870_rx_eof
5623 */
5624 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5625 {
5626 struct ifnet *ifp;
5627 struct rt2870_softc_rx_ring *ring;
5628 struct rt2870_softc_rx_data *data;
5629 uint32_t dmalen;
5630 uint8_t *buf;
5631 int nframes, len;
5632
5633 ifp = sc->ifp;
5634 ring = &sc->rx_ring;
5635
5636 nframes = 0;
5637
5638 while (limit != 0)
5639 {
5640 RT2870_SOFTC_LOCK(sc);
5641
5642 data = STAILQ_FIRST(&ring->done);
5643 if (data == NULL)
5644 {
5645 RT2870_SOFTC_UNLOCK(sc);
5646 break;
5647 }
5648
5649 STAILQ_REMOVE_HEAD(&ring->done, next);
5650
5651 RT2870_SOFTC_UNLOCK(sc);
5652
5653 buf = data->buf;
5654 len = data->len;
5655
5656 if (len < RT2870_RX_DESC_SIZE)
5657 {
5658 ifp->if_ierrors++;
5659 goto skip;
5660 }
5661
5662 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5663 {
5664 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5665
5666 if (dmalen == 0 || (dmalen & 3) != 0)
5667 {
5668 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5669 "%s: bad DMA len=%u\n",
5670 device_get_nameunit(sc->dev), dmalen);
5671 goto skip;
5672 }
5673
5674 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5675 {
5676 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5677 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5678 device_get_nameunit(sc->dev),
5679 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5680 goto skip;
5681 }
5682
5683 nframes++;
5684
5685 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5686
5687 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5688 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5689 }
5690
5691 skip:
5692
5693 RT2870_SOFTC_LOCK(sc);
5694
5695 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5696
5697 usbd_transfer_start(sc->usb_xfer[0]);
5698
5699 RT2870_SOFTC_UNLOCK(sc);
5700
5701 limit--;
5702 }
5703
5704 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5705 "%s: Rx eof: nframes=%d\n",
5706 device_get_nameunit(sc->dev), nframes);
5707
5708 sc->rx_packets += nframes;
5709
5710 return (limit == 0);
5711 }
5712
5713 /*
5714 * rt2870_tx_eof
5715 */
5716 static void rt2870_tx_eof(struct rt2870_softc *sc,
5717 struct rt2870_softc_tx_ring *ring)
5718 {
5719 struct ifnet *ifp;
5720 struct rt2870_softc_tx_data *data;
5721 int nframes;
5722
5723 ifp = sc->ifp;
5724
5725 nframes = 0;
5726
5727 while (1)
5728 {
5729 RT2870_SOFTC_LOCK(sc);
5730
5731 data = STAILQ_FIRST(&ring->done);
5732 if (data == NULL)
5733 {
5734 RT2870_SOFTC_UNLOCK(sc);
5735 break;
5736 }
5737
5738 STAILQ_REMOVE_HEAD(&ring->done, next);
5739
5740 rt2870_drain_fifo_stats(sc);
5741
5742 RT2870_SOFTC_UNLOCK(sc);
5743
5744 nframes++;
5745
5746 if (data->m->m_flags & M_TXCB)
5747 ieee80211_process_callback(data->ni, data->m, 0);
5748
5749 m_freem(data->m);
5750
5751 ieee80211_free_node(data->ni);
5752
5753 data->m = NULL;
5754 data->ni = NULL;
5755
5756 RT2870_SOFTC_LOCK(sc);
5757
5758 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5759
5760 ring->queued--;
5761 ifp->if_opackets++;
5762
5763 RT2870_SOFTC_UNLOCK(sc);
5764 }
5765
5766 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5767 "%s: Tx eof: qid=%d, nframes=%d\n",
5768 device_get_nameunit(sc->dev), ring->qid, nframes);
5769 }
5770
5771 /*
5772 * rt2870_update_stats
5773 */
5774 static void rt2870_update_stats(struct rt2870_softc *sc)
5775 {
5776 struct ifnet *ifp;
5777 struct ieee80211com *ic;
5778 uint32_t stacnt[3];
5779 int beacons, noretryok, retryok, failed, underflows, zerolen;
5780
5781 ifp = sc->ifp;
5782 ic = ifp->if_l2com;
5783
5784 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5785 "%s: update statistic\n",
5786 device_get_nameunit(sc->dev));
5787
5788 rt2870_drain_fifo_stats(sc);
5789
5790 /* read and clear Tx statistic registers */
5791
5792 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5793 stacnt, sizeof(stacnt));
5794
5795 stacnt[0] = le32toh(stacnt[0]);
5796 stacnt[1] = le32toh(stacnt[1]);
5797 stacnt[2] = le32toh(stacnt[2]);
5798
5799 beacons = stacnt[0] >> 16;
5800 noretryok = stacnt[1] & 0xffff;
5801 retryok = stacnt[1] >> 16;
5802 failed = stacnt[0] & 0xffff;
5803 underflows = stacnt[2] >> 16;
5804 zerolen = stacnt[2] & 0xffff;
5805
5806 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5807 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5808 device_get_nameunit(sc->dev),
5809 beacons, noretryok, retryok, failed, underflows, zerolen);
5810
5811 ifp->if_oerrors += failed;
5812
5813 sc->tx_beacons += beacons;
5814 sc->tx_noretryok += noretryok;
5815 sc->tx_retryok += retryok;
5816 sc->tx_failed += failed;
5817 sc->tx_underflows += underflows;
5818 sc->tx_zerolen += zerolen;
5819 }
5820
5821 /*
5822 * rt2870_bbp_tuning
5823 */
5824 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5825 {
5826 struct ifnet *ifp;
5827 struct ieee80211com *ic;
5828 struct ieee80211vap *vap;
5829 struct ieee80211_node *ni;
5830 int chan, group;
5831 int8_t rssi, old, new;
5832
5833 /* RT2860C does not support BBP tuning */
5834
5835 if (sc->mac_rev == 0x28600100)
5836 return;
5837
5838 ifp = sc->ifp;
5839 ic = ifp->if_l2com;
5840 vap = TAILQ_FIRST(&ic->ic_vaps);
5841
5842 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5843 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5844 return;
5845
5846 ni = vap->iv_bss;
5847
5848 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5849
5850 if (chan <= 14)
5851 group = 0;
5852 else if (chan <= 64)
5853 group = 1;
5854 else if (chan <= 128)
5855 group = 2;
5856 else
5857 group = 3;
5858
5859 rssi = ieee80211_getrssi(vap);
5860
5861 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5862 {
5863 new = 0x2e + sc->lna_gain[group];
5864 }
5865 else
5866 {
5867 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5868 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5869 else
5870 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5871 }
5872
5873 /* Tune if absolute average RSSI is greater than -80 */
5874
5875 if (rssi > 30)
5876 new += 0x10;
5877
5878 old = rt2870_io_bbp_read(sc, 66);
5879
5880 if (old != new)
5881 rt2870_io_bbp_write(sc, 66, new);
5882 }
5883
5884 /*
5885 * rt2870_watchdog
5886 */
5887 static void rt2870_watchdog(struct rt2870_softc *sc)
5888 {
5889 uint32_t tmp;
5890 int ntries;
5891
5892 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5893
5894 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5895 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5896 device_get_nameunit(sc->dev), tmp);
5897
5898 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5899 {
5900 sc->tx_queue_not_empty[0]++;
5901
5902 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5903
5904 for (ntries = 0; ntries < 10; ntries++)
5905 {
5906 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5907 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5908 break;
5909
5910 DELAY(1);
5911 }
5912
5913 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5914 }
5915
5916 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5917 {
5918 sc->tx_queue_not_empty[1]++;
5919
5920 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5921
5922 for (ntries = 0; ntries < 10; ntries++)
5923 {
5924 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5925 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5926 break;
5927
5928 DELAY(1);
5929 }
5930
5931 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5932 }
5933 }
5934
5935 /*
5936 * rt2870_drain_fifo_stats
5937 */
5938 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5939 {
5940 struct ifnet *ifp;
5941 uint32_t stats;
5942 uint8_t wcid, mcs, pid;
5943 int ok, agg, retrycnt;
5944
5945 ifp = sc->ifp;
5946
5947 /* drain Tx status FIFO (maxsize = 16) */
5948
5949 while ((sc->flags & RT2870_SOFTC_FLAGS_VALID) &&
5950 ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5951 RT2870_REG_TX_STA_FIFO_VALID))
5952 {
5953 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5954 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5955
5956 /* if no ACK was requested, no feedback is available */
5957
5958 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2870_WCID_RESERVED)
5959 continue;
5960
5961 /* update AMRR statistic */
5962
5963 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5964 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5965 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5966 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5967 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5968 RT2870_REG_TX_STA_FIFO_PID_MASK;
5969 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
5970
5971 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5972 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5973 device_get_nameunit(sc->dev),
5974 wcid, ok, agg, mcs, pid, retrycnt);
5975
5976 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5977
5978 if (!ok)
5979 ifp->if_oerrors++;
5980 }
5981 }
5982
5983 /*
5984 * rt2870_update_raw_counters
5985 */
5986 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5987 {
5988 uint32_t tmp;
5989
5990 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5991
5992 sc->tx_nonagg += tmp & 0xffff;
5993 sc->tx_agg += tmp >> 16;
5994
5995 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5996
5997 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5998
5999 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
6000
6001 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
6002
6003 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
6004
6005 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
6006
6007 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
6008
6009 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6010
6011 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
6012
6013 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6014
6015 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
6016
6017 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6018
6019 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
6020
6021 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6022
6023 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
6024
6025 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6026
6027 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
6028
6029 sc->rx_crc_errors += tmp & 0xffff;
6030 sc->rx_phy_errors += tmp >> 16;
6031
6032 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
6033
6034 sc->rx_false_ccas += tmp & 0xffff;
6035 sc->rx_plcp_errors += tmp >> 16;
6036
6037 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
6038
6039 sc->rx_dup_packets += tmp & 0xffff;
6040 sc->rx_fifo_overflows += tmp >> 16;
6041
6042 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
6043
6044 sc->tx_mpdu_zero_density += tmp & 0xffff;
6045 sc->rx_mpdu_zero_density += tmp >> 16;
6046 }
6047
6048 /*
6049 * rt2870_txrx_enable
6050 */
6051 static int rt2870_txrx_enable(struct rt2870_softc *sc)
6052 {
6053 struct ieee80211com *ic;
6054 struct ifnet *ifp;
6055 uint32_t tmp;
6056 int ntries;
6057
6058 ifp = sc->ifp;
6059 ic = ifp->if_l2com;
6060
6061 /* enable Tx/Rx DMA engine */
6062
6063 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
6064
6065 tmp &= 0xffffff00;
6066 tmp |= 0x1e;
6067
6068 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
6069
6070 if ((sc->mac_rev & 0xffff) != 0x0101)
6071 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
6072
6073 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
6074
6075 for (ntries = 0; ntries < 200; ntries++)
6076 {
6077 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
6078 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
6079 break;
6080
6081 DELAY(1000);
6082 }
6083
6084 if (ntries == 200)
6085 {
6086 printf("%s: timeout waiting for DMA engine\n",
6087 device_get_nameunit(sc->dev));
6088 return -1;
6089 }
6090
6091 DELAY(50);
6092
6093 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
6094 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
6095 (48 << 16) | 96);
6096
6097 tmp |= RT2870_REG_TX_WB_DDONE |
6098 RT2870_REG_RX_DMA_ENABLE |
6099 RT2870_REG_TX_DMA_ENABLE;
6100
6101 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6102
6103 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
6104 RT2870_REG_USB_DMA_RX_ENABLE |
6105 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
6106 /* Rx agg limit in unit of 1024 byte */
6107 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
6108 /* Rx agg timeout in unit of 33ns */
6109 0x80;
6110
6111 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
6112
6113 /* set Rx filter */
6114
6115 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
6116 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
6117
6118 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6119 {
6120 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
6121 RT2870_REG_RX_FILTER_DROP_CTS |
6122 RT2870_REG_RX_FILTER_DROP_BA |
6123 RT2870_REG_RX_FILTER_DROP_ACK |
6124 RT2870_REG_RX_FILTER_DROP_VER_ERR |
6125 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
6126 RT2870_REG_RX_FILTER_DROP_CFACK |
6127 RT2870_REG_RX_FILTER_DROP_CFEND;
6128
6129 if (ic->ic_opmode == IEEE80211_M_STA)
6130 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
6131 RT2870_REG_RX_FILTER_DROP_PSPOLL;
6132
6133 if (!(ifp->if_flags & IFF_PROMISC))
6134 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
6135 }
6136
6137 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
6138
6139 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
6140 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
6141
6142 return 0;
6143 }
6144
6145 /*
6146 * rt2870_alloc_rx_ring
6147 */
6148 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
6149 struct rt2870_softc_rx_ring *ring)
6150 {
6151 struct rt2870_softc_rx_data *data;
6152 int i, error;
6153
6154 STAILQ_INIT(&ring->inactive);
6155 STAILQ_INIT(&ring->active);
6156 STAILQ_INIT(&ring->done);
6157
6158 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6159 {
6160 data = &ring->data[i];
6161
6162 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
6163 if (data->buf == NULL)
6164 {
6165 printf("%s: could not allocate Rx buffer\n",
6166 device_get_nameunit(sc->dev));
6167 error = ENOMEM;
6168 goto fail;
6169 }
6170
6171 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6172 }
6173
6174 return 0;
6175
6176 fail:
6177
6178 rt2870_free_rx_ring(sc, ring);
6179
6180 return error;
6181 }
6182
6183 /*
6184 * rt2870_reset_rx_ring
6185 */
6186 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
6187 struct rt2870_softc_rx_ring *ring)
6188 {
6189 struct rt2870_softc_rx_data *data;
6190 int i;
6191
6192 STAILQ_INIT(&ring->inactive);
6193 STAILQ_INIT(&ring->active);
6194 STAILQ_INIT(&ring->done);
6195
6196 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6197 {
6198 data = &ring->data[i];
6199
6200 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6201 }
6202 }
6203
6204 /*
6205 * rt2870_free_rx_ring
6206 */
6207 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
6208 struct rt2870_softc_rx_ring *ring)
6209 {
6210 struct rt2870_softc_rx_data *data;
6211 int i;
6212
6213 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6214 {
6215 data = &ring->data[i];
6216
6217 if (data->buf != NULL)
6218 {
6219 free(data->buf, M_USBDEV);
6220 data->buf = NULL;
6221 }
6222 }
6223 }
6224
6225 /*
6226 * rt2870_alloc_tx_ring
6227 */
6228 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
6229 struct rt2870_softc_tx_ring *ring, int qid)
6230 {
6231 struct rt2870_softc_tx_data *data;
6232 int i, error;
6233
6234 STAILQ_INIT(&ring->inactive);
6235 STAILQ_INIT(&ring->pending);
6236 STAILQ_INIT(&ring->active);
6237 STAILQ_INIT(&ring->done);
6238
6239 ring->queued = 0;
6240 ring->qid = qid;
6241
6242 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6243 {
6244 data = &ring->data[i];
6245
6246 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
6247 if (data->buf == NULL)
6248 {
6249 printf("%s: could not allocate Tx buffer\n",
6250 device_get_nameunit(sc->dev));
6251 error = ENOMEM;
6252 goto fail;
6253 }
6254
6255 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
6256
6257 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6258 }
6259
6260 return 0;
6261
6262 fail:
6263
6264 rt2870_free_tx_ring(sc, ring);
6265
6266 return error;
6267 }
6268
6269 /*
6270 * rt2870_reset_tx_ring
6271 */
6272 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
6273 struct rt2870_softc_tx_ring *ring)
6274 {
6275 struct rt2870_softc_tx_data *data;
6276 int i;
6277
6278 STAILQ_INIT(&ring->inactive);
6279 STAILQ_INIT(&ring->pending);
6280 STAILQ_INIT(&ring->active);
6281 STAILQ_INIT(&ring->done);
6282
6283 ring->queued = 0;
6284
6285 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6286 {
6287 data = &ring->data[i];
6288
6289 if (data->m != NULL)
6290 {
6291 m_free(data->m);
6292 data->m = NULL;
6293 }
6294
6295 if (data->ni != NULL)
6296 {
6297 ieee80211_free_node(data->ni);
6298 data->ni = NULL;
6299 }
6300
6301 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6302 }
6303 }
6304
6305 /*
6306 * rt2870_free_tx_ring
6307 */
6308 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
6309 struct rt2870_softc_tx_ring *ring)
6310 {
6311 struct rt2870_softc_tx_data *data;
6312 int i;
6313
6314 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6315 {
6316 data = &ring->data[i];
6317
6318 if (data->buf != NULL)
6319 {
6320 free(data->buf, M_USBDEV);
6321 data->buf = NULL;
6322 }
6323
6324 if (data->m != NULL)
6325 {
6326 m_free(data->m);
6327 data->m = NULL;
6328 }
6329
6330 if (data->ni != NULL)
6331 {
6332 ieee80211_free_node(data->ni);
6333 data->ni = NULL;
6334 }
6335 }
6336 }
6337
6338 /*
6339 * rt2870_reset_cmd_ring
6340 */
6341 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
6342 struct rt2870_softc_cmd_ring *ring)
6343 {
6344 struct rt2870_softc_cmd *cmd;
6345 int i;
6346
6347 STAILQ_INIT(&ring->inactive);
6348 STAILQ_INIT(&ring->active);
6349
6350 ring->queued = 0;
6351
6352 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
6353 {
6354 cmd = &ring->cmd[i];
6355
6356 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
6357 }
6358 }
6359
6360 /*
6361 * rt2870_sysctl_attach
6362 */
6363 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
6364 {
6365 struct sysctl_ctx_list *ctx;
6366 struct sysctl_oid *tree;
6367 struct sysctl_oid *stats;
6368
6369 ctx = device_get_sysctl_ctx(sc->dev);
6370 tree = device_get_sysctl_tree(sc->dev);
6371
6372 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6373 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6374 "Tx STBC");
6375
6376 /* statistic counters */
6377
6378 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6379 "stats", CTLFLAG_RD, 0, "statistic");
6380
6381 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6382 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6383 "all interrupts");
6384
6385 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6386 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6387 "Rx interrupts");
6388
6389 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6390 {
6391 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6392 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6393 "Tx MGMT interrupts");
6394
6395 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6396 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6397 "Tx HCCA interrupts");
6398 }
6399
6400 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6401 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6402 "Tx AC3 interrupts");
6403
6404 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6405 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6406 "Tx AC2 interrupts");
6407
6408 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6409 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6410 "Tx AC1 interrupts");
6411
6412 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6413 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6414 "Tx AC0 interrupts");
6415
6416 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6417 {
6418 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6419 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
6420 "Tx MGMT data queued");
6421
6422 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6423 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
6424 "Tx HCCA data queued");
6425 }
6426
6427 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6428 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
6429 "Tx AC3 data queued");
6430
6431 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6432 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
6433 "Tx AC2 data queued");
6434
6435 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6436 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
6437 "Tx AC1 data queued");
6438
6439 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6440 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
6441 "Tx AC0 data queued");
6442
6443 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6444 {
6445 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6446 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6447 "Tx MGMT data queue full");
6448
6449 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6450 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6451 "Tx HCCA data queue full");
6452 }
6453
6454 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6455 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6456 "Tx AC3 data queue full");
6457
6458 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6459 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6460 "Tx AC2 data queue full");
6461
6462 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6463 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6464 "Tx AC1 data queue full");
6465
6466 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6467 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6468 "Tx AC0 data queue full");
6469
6470 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6471 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6472 "Tx watchdog timeouts");
6473
6474 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6475 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6476 "Rx mbuf allocation errors");
6477
6478 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6479 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6480 "Tx queue 0 not empty");
6481
6482 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6483 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6484 "Tx queue 1 not empty");
6485
6486 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6487 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6488 "Tx beacons");
6489
6490 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6491 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6492 "Tx successfull without retries");
6493
6494 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6495 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6496 "Tx successfull with retries");
6497
6498 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6499 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6500 "Tx failed");
6501
6502 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6503 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6504 "Tx underflows");
6505
6506 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6507 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6508 "Tx zero length");
6509
6510 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6511 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6512 "Tx non-aggregated");
6513
6514 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6515 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6516 "Tx aggregated");
6517
6518 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6519 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6520 "Tx A-MPDU");
6521
6522 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6523 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6524 "Tx MPDU with zero density");
6525
6526 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6527 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6528 "Tx A-MPDU sessions");
6529
6530 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6531 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6532 "Rx packets");
6533
6534 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6535 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6536 "Rx A-MPDU");
6537
6538 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6539 "rx_ampdu_retries", CTLFLAG_RD, &sc->rx_ampdu_retries, 0,
6540 "Rx A-MPDU retries");
6541
6542 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6543 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6544 "Rx MPDU with zero density");
6545
6546 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6547 "rx_ampdu_sessions", CTLFLAG_RD, &sc->rx_ampdu_sessions, 0,
6548 "Rx A-MPDU sessions");
6549
6550 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6551 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6552 "Rx A-MSDU");
6553
6554 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6555 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6556 "Rx CRC errors");
6557
6558 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6559 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6560 "Rx PHY errors");
6561
6562 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6563 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6564 "Rx false CCAs");
6565
6566 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6567 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6568 "Rx PLCP errors");
6569
6570 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6571 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6572 "Rx duplicate packets");
6573
6574 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6575 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6576 "Rx FIFO overflows");
6577
6578 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6579 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6580 "Rx cipher no errors");
6581
6582 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6583 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6584 "Rx cipher ICV errors");
6585
6586 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6587 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6588 "Rx cipher MIC errors");
6589
6590 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6591 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6592 "Rx cipher invalid key errors");
6593 }
6594
6595 static device_method_t rt2870_dev_methods[] =
6596 {
6597 DEVMETHOD(device_probe, rt2870_probe),
6598 DEVMETHOD(device_attach, rt2870_attach),
6599 DEVMETHOD(device_detach, rt2870_detach),
6600 { 0, 0 }
6601 };
6602
6603 static driver_t rt2870_driver =
6604 {
6605 "rt2870",
6606 rt2870_dev_methods,
6607 sizeof(struct rt2870_softc),
6608 };
6609
6610 static devclass_t rt2870_dev_class;
6611
6612 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6613 NULL, 0);
6614
6615 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6616 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870