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Added new USB device Ralink RT2870
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blobaa60fcc3a0d06714e91a981d9bc47d5f4c3e621f
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 #define USB_PRODUCT_RALINK_RT2870 0x2870
43
44 #define RT2870_USB_CONFIG_INDEX 0
45 #define RT2870_USB_IFACE_INDEX 0
46
47 #define RT2870_USB_REQ_MAC_READ_MULTI 0x07
48
49 /* packet length + Rx wireless info + Rx info */
50 #define RT2870_RX_DESC_SIZE \
51 (sizeof(uint32_t) + sizeof(struct rt2870_rxwi) + sizeof(struct rt2870_rxinfo))
52
53 /* Tx info + Tx wireless info + max padding */
54 #define RT2870_TX_DESC_SIZE \
55 (sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + 11)
56
57 #define RT2870_MAX_AGG_SIZE 3840
58
59 #define RT2870_USB_RX_BULK_BUFLEN (2048 * 12)
60
61 #define RT2870_NOISE_FLOOR -95
62
63 #define IEEE80211_HAS_ADDR4(wh) \
64 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
65
66 #define RT2870_MS(_v, _f) (((_v) & _f) >> _f##_S)
67 #define RT2870_SM(_v, _f) (((_v) << _f##_S) & _f)
68
69 #define RT2870_USB_XFER_TIMEOUT 5000
70
71 #define RT2870_TX_WATCHDOG_TIMEOUT 5
72
73 #define RT2870_WCID_RESERVED 0xff
74 #define RT2870_WCID_MCAST 0xf7
75
76 /*
77 * Data structures and types
78 */
79
80 struct rt2870_cmd_argv_nodecleanup
81 {
82 uint8_t staid;
83 };
84
85 struct rt2870_cmd_argv_keyset
86 {
87 enum ieee80211_opmode opmode;
88 struct ieee80211_key key;
89 uint8_t staid;
90 };
91
92 struct rt2870_cmd_argv_keydelete
93 {
94 enum ieee80211_opmode opmode;
95 struct ieee80211_key key;
96 };
97
98 /*
99 * Static function prototypes
100 */
101
102 static void rt2870_init_channels(struct rt2870_softc *sc);
103
104 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
105
106 static void rt2870_init_locked(void *priv);
107
108 static void rt2870_init(void *priv);
109
110 static int rt2870_init_bbp(struct rt2870_softc *sc);
111
112 static void rt2870_stop_locked(void *priv);
113
114 static void rt2870_stop(void *priv);
115
116 static void rt2870_start(struct ifnet *ifp);
117
118 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
119
120 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
121 const char name[IFNAMSIZ], int unit, int opmode, int flags,
122 const uint8_t bssid[IEEE80211_ADDR_LEN],
123 const uint8_t mac[IEEE80211_ADDR_LEN]);
124
125 static void rt2870_vap_delete(struct ieee80211vap *vap);
126
127 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd);
128
129 static int rt2870_vap_newstate(struct ieee80211vap *vap,
130 enum ieee80211_state nstate, int arg);
131
132 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap);
133
134 static void rt2870_vap_key_update_end(struct ieee80211vap *vap);
135
136 static int rt2870_vap_key_set(struct ieee80211vap *vap,
137 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
138
139 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
140 const struct ieee80211_key *k);
141
142 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what);
143
144 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
145 const uint8_t mac[IEEE80211_ADDR_LEN]);
146
147 static void rt2870_node_cleanup(struct ieee80211_node *ni);
148
149 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
150 struct ieee80211_mimo_info *mi);
151
152 static int rt2870_setregdomain(struct ieee80211com *ic,
153 struct ieee80211_regdomain *reg,
154 int nchans, struct ieee80211_channel chans[]);
155
156 static void rt2870_getradiocaps(struct ieee80211com *ic,
157 int maxchans, int *nchans, struct ieee80211_channel chans[]);
158
159 static void rt2870_scan_start(struct ieee80211com *ic);
160
161 static void rt2870_scan_end(struct ieee80211com *ic);
162
163 static void rt2870_set_channel(struct ieee80211com *ic);
164
165 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
166
167 static void rt2870_updateslot(struct ifnet *ifp);
168
169 static void rt2870_update_promisc(struct ifnet *ifp);
170
171 static void rt2870_update_mcast(struct ifnet *ifp);
172
173 static int rt2870_wme_update(struct ieee80211com *ic);
174
175 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
176 const struct ieee80211_bpf_params *params);
177
178 static int rt2870_recv_action(struct ieee80211_node *ni,
179 const struct ieee80211_frame *wh,
180 const uint8_t *frm, const uint8_t *efrm);
181
182 static int rt2870_send_action(struct ieee80211_node *ni,
183 int cat, int act, void *sa);
184
185 static int rt2870_addba_response(struct ieee80211_node *ni,
186 struct ieee80211_tx_ampdu *tap,
187 int status, int baparamset, int batimeout);
188
189 static void rt2870_addba_stop(struct ieee80211_node *ni,
190 struct ieee80211_tx_ampdu *tap);
191
192 static int rt2870_ampdu_rx_start(struct ieee80211_node *ni,
193 struct ieee80211_rx_ampdu *rap,
194 int baparamset, int batimeout, int baseqctl);
195
196 static void rt2870_ampdu_rx_stop(struct ieee80211_node *ni,
197 struct ieee80211_rx_ampdu *rap);
198
199 static int rt2870_send_bar(struct ieee80211_node *ni,
200 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno);
201
202 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
203
204 static void rt2870_periodic(void *arg);
205
206 static void rt2870_tx_watchdog(void *arg);
207
208 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid);
209
210 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid);
211
212 static int rt2870_do_async(struct rt2870_softc *sc,
213 void (*cb)(struct rt2870_softc *sc, void *arg),
214 void *arg, int len);
215
216 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg);
217
218 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
219
220 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
221
222 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg);
223
224 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
225
226 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
227
228 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
229 const uint8_t *bssid);
230
231 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
232 const uint8_t *addr);
233
234 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
235
236 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
237
238 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
239
240 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
241
242 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
243
244 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
245
246 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
247
248 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
249
250 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
251
252 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
253
254 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
255
256 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
257 struct ieee80211vap *vap);
258
259 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
260
261 static void rt2870_asic_add_ba_session(struct rt2870_softc *sc,
262 uint8_t wcid, int tid);
263
264 static void rt2870_asic_del_ba_session(struct rt2870_softc *sc,
265 uint8_t wcid, int tid);
266
267 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
268 struct ieee80211vap *vap);
269
270 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
271
272 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
273 const struct rt2870_rxwi *rxwi);
274
275 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
276 uint8_t rssi, uint8_t rxpath);
277
278 static uint8_t rt2870_rate2mcs(uint8_t rate);
279
280 static void rt2870_rx_frame(struct rt2870_softc *sc,
281 uint8_t *buf, uint32_t dmalen);
282
283 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
284 struct mbuf *m, struct ieee80211_node *ni, int qid);
285
286 static int rt2870_tx_data(struct rt2870_softc *sc,
287 struct mbuf *m, struct ieee80211_node *ni, int qid);
288
289 static int rt2870_tx_raw(struct rt2870_softc *sc,
290 struct mbuf *m, struct ieee80211_node *ni,
291 const struct ieee80211_bpf_params *params);
292
293 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
294
295 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
296
297 static void rt2870_rx_done_task(void *context, int pending);
298
299 static void rt2870_tx_done_task(void *context, int pending);
300
301 static void rt2870_periodic_task(void *context, int pending);
302
303 static void rt2870_cmd_task(void *context, int pending);
304
305 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
306
307 static void rt2870_tx_eof(struct rt2870_softc *sc,
308 struct rt2870_softc_tx_ring *ring);
309
310 static void rt2870_update_stats(struct rt2870_softc *sc);
311
312 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
313
314 static void rt2870_watchdog(struct rt2870_softc *sc);
315
316 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
317
318 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
319
320 static int rt2870_txrx_enable(struct rt2870_softc *sc);
321
322 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
323 struct rt2870_softc_rx_ring *ring);
324
325 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
326 struct rt2870_softc_rx_ring *ring);
327
328 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
329 struct rt2870_softc_rx_ring *ring);
330
331 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
332 struct rt2870_softc_tx_ring *ring, int qid);
333
334 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
335 struct rt2870_softc_tx_ring *ring);
336
337 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
338 struct rt2870_softc_tx_ring *ring);
339
340 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
341 struct rt2870_softc_cmd_ring *ring);
342
343 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
344
345 /*
346 * Static variables
347 */
348
349 static const struct usb_device_id rt2870_usb_devid[] =
350 {
351 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
352 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
353 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
354 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
355 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
356 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2870) }, /* Ralink RT2870 */
357 };
358
359 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
360 {
361 {
362 .type = UE_BULK,
363 .endpoint = 0x01,
364 .direction = UE_DIR_IN,
365 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
366 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
367 .callback = rt2870_rx_intr,
368 },
369 {
370 .type = UE_BULK,
371 .endpoint = 0x01,
372 .direction = UE_DIR_OUT,
373 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
374 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
375 .callback = rt2870_tx_intr,
376 .timeout = RT2870_USB_XFER_TIMEOUT,
377 },
378 {
379 .type = UE_BULK,
380 .endpoint = 0x02,
381 .direction = UE_DIR_OUT,
382 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
383 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
384 .callback = rt2870_tx_intr,
385 .timeout = RT2870_USB_XFER_TIMEOUT,
386 },
387 {
388 .type = UE_BULK,
389 .endpoint = 0x03,
390 .direction = UE_DIR_OUT,
391 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
392 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
393 .callback = rt2870_tx_intr,
394 .timeout = RT2870_USB_XFER_TIMEOUT,
395 },
396 {
397 .type = UE_BULK,
398 .endpoint = 0x04,
399 .direction = UE_DIR_OUT,
400 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
401 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
402 .callback = rt2870_tx_intr,
403 .timeout = RT2870_USB_XFER_TIMEOUT,
404 },
405 {
406 .type = UE_BULK,
407 .endpoint = 0x05,
408 .direction = UE_DIR_OUT,
409 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
410 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
411 .callback = rt2870_tx_intr,
412 .timeout = RT2870_USB_XFER_TIMEOUT,
413 },
414 {
415 .type = UE_BULK,
416 .endpoint = 0x06,
417 .direction = UE_DIR_OUT,
418 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
419 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
420 .callback = rt2870_tx_intr,
421 .timeout = RT2870_USB_XFER_TIMEOUT,
422 },
423 };
424
425 static const struct
426 {
427 uint32_t reg;
428 uint32_t val;
429 } rt2870_def_mac[] =
430 {
431 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
432 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
433 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
434 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
435 { RT2870_REG_SYS_CTRL, 0x00000000 },
436 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
437 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
438 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
439 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
440 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
441 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
442 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
443 { RT2870_REG_LED_CFG, 0x7f031e46 },
444 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
445 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
446 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
447 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
448 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
449 { RT2870_REG_PBF_CFG, 0x00f40006 },
450 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
451 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
452 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
453 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
454 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
455 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
456 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
457 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
458 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
459 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
460 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
461 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
462 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
463 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
464 };
465
466 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
467
468 static const struct
469 {
470 uint8_t reg;
471 uint8_t val;
472 } rt2870_def_bbp[] =
473 {
474 { 65, 0x2c },
475 { 66, 0x38 },
476 { 69, 0x12 },
477 { 70, 0x0a },
478 { 73, 0x10 },
479 { 81, 0x37 },
480 { 82, 0x62 },
481 { 83, 0x6a },
482 { 84, 0x99 },
483 { 86, 0x00 },
484 { 91, 0x04 },
485 { 92, 0x00 },
486 { 103, 0x00 },
487 { 105, 0x05 },
488 { 106, 0x35 },
489 };
490
491 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
492
493 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
494
495 static int rt2870_tx_stbc = 1;
496 SYSCTL_INT(_hw_rt2870, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2870_tx_stbc, 0, "RT2870 Tx STBC");
497 TUNABLE_INT("hw.rt2870.tx_stbc", &rt2870_tx_stbc);
498
499 #ifdef RT2870_DEBUG
500 static int rt2870_debug = 0;
501 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "RT2870 debug level");
502 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
503 #endif
504
505 /*
506 * rt2870_probe
507 */
508 static int rt2870_probe(device_t dev)
509 {
510 struct usb_attach_arg *uaa;
511
512 uaa = device_get_ivars(dev);
513
514 if (uaa->usb_mode != USB_MODE_HOST)
515 return ENXIO;
516
517 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
518 return ENXIO;
519
520 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
521 return ENXIO;
522
523 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
524 sizeof(rt2870_usb_devid), uaa));
525 }
526
527 /*
528 * rt2870_attach
529 */
530 static int rt2870_attach(device_t dev)
531 {
532 struct rt2870_softc *sc;
533 struct usb_attach_arg *uaa;
534 usb_error_t usb_error;
535 struct ieee80211com *ic;
536 struct ifnet *ifp;
537 struct usb_interface *iface;
538 struct usb_interface_descriptor *iface_desc;
539 uint8_t iface_index;
540 int error, ntries, i;
541
542 sc = device_get_softc(dev);
543 uaa = device_get_ivars(dev);
544
545 sc->dev = dev;
546 sc->usb_dev = uaa->device;
547
548 device_set_usb_desc(dev);
549
550 sc->tx_stbc = rt2870_tx_stbc;
551
552 #ifdef RT2870_DEBUG
553 sc->debug = rt2870_debug;
554
555 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
556 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
557 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
558 #endif
559
560 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
561 "%s: attaching\n",
562 device_get_nameunit(sc->dev));
563
564 iface_index = RT2870_USB_IFACE_INDEX;
565
566 iface = usbd_get_iface(uaa->device, iface_index);
567 if (iface == NULL)
568 {
569 printf("%s: could not get USB interface\n",
570 device_get_nameunit(sc->dev));
571 return ENXIO;
572 }
573
574 iface_desc = usbd_get_interface_descriptor(iface);
575 if (iface_desc == NULL)
576 {
577 printf("%s: could not get USB interface descriptor\n",
578 device_get_nameunit(sc->dev));
579 return ENXIO;
580 }
581
582 sc->usb_endpoints = iface_desc->bNumEndpoints;
583 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
584 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
585 {
586 printf("%s: wrong number of USB endpoints=%d\n",
587 device_get_nameunit(sc->dev), sc->usb_endpoints);
588 return ENXIO;
589 }
590
591 mtx_init(&sc->lock, device_get_nameunit(dev),
592 MTX_NETWORK_LOCK, MTX_DEF);
593
594 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
595 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
596 sc, &sc->lock);
597 if (usb_error != 0)
598 {
599 printf("%s: could not allocate USB transfers: error=%s\n",
600 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
601 error = ENXIO;
602 goto fail;
603 }
604
605 sc->flags |= RT2870_SOFTC_FLAGS_VALID;
606
607 RT2870_SOFTC_LOCK(sc);
608
609 for (ntries = 0; ntries < 100; ntries++)
610 {
611 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
612 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
613 break;
614
615 DELAY(10);
616 }
617
618 if (ntries == 100)
619 {
620 printf("%s: timeout waiting for NIC to initialize\n",
621 device_get_nameunit(sc->dev));
622 error = ENXIO;
623 goto fail;
624 }
625
626 rt2870_read_eeprom(sc);
627
628 RT2870_SOFTC_UNLOCK(sc);
629
630 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
631 device_get_nameunit(sc->dev), sc->mac_rev,
632 rt2870_rf_name(sc->rf_rev));
633
634 RT2870_SOFTC_LOCK(sc);
635
636 /* clear key tables */
637
638 rt2870_asic_clear_keytables(sc);
639
640 RT2870_SOFTC_UNLOCK(sc);
641
642 /* allocate Tx and Rx rings */
643
644 for (i = 0; i < sc->usb_endpoints - 1; i++)
645 {
646 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
647 if (error != 0)
648 {
649 printf("%s: could not allocate Tx ring #%d\n",
650 device_get_nameunit(sc->dev), i);
651 goto fail;
652 }
653 }
654
655 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
656 sc->tx_ring_mgtqid = 5;
657 else
658 sc->tx_ring_mgtqid = 0;
659
660 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
661 if (error != 0)
662 {
663 printf("%s: could not allocate Rx ring\n",
664 device_get_nameunit(sc->dev));
665 goto fail;
666 }
667
668 callout_init(&sc->periodic_ch, 0);
669 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
670
671 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
672 if (ifp == NULL)
673 {
674 printf("%s: could not if_alloc()\n",
675 device_get_nameunit(sc->dev));
676 error = ENOMEM;
677 goto fail;
678 }
679
680 ifp->if_softc = sc;
681
682 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
683
684 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
685
686 ifp->if_init = rt2870_init;
687 ifp->if_ioctl = rt2870_ioctl;
688 ifp->if_start = rt2870_start;
689
690 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
691 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
692 IFQ_SET_READY(&ifp->if_snd);
693
694 ic = ifp->if_l2com;
695
696 ic->ic_ifp = ifp;
697
698 ic->ic_phytype = IEEE80211_T_HT;
699 ic->ic_opmode = IEEE80211_M_STA;
700
701 ic->ic_caps = IEEE80211_C_MONITOR |
702 IEEE80211_C_IBSS |
703 IEEE80211_C_STA |
704 IEEE80211_C_AHDEMO |
705 IEEE80211_C_HOSTAP |
706 IEEE80211_C_WDS |
707 IEEE80211_C_MBSS |
708 IEEE80211_C_BGSCAN |
709 IEEE80211_C_TXPMGT |
710 IEEE80211_C_SHPREAMBLE |
711 IEEE80211_C_SHSLOT |
712 IEEE80211_C_TXFRAG |
713 IEEE80211_C_BURST |
714 IEEE80211_C_WME |
715 IEEE80211_C_WPA;
716
717 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
718 IEEE80211_CRYPTO_TKIP |
719 IEEE80211_CRYPTO_TKIPMIC |
720 IEEE80211_CRYPTO_AES_CCM;
721
722 ic->ic_htcaps = IEEE80211_HTC_HT |
723 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
724 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
725 IEEE80211_HTC_SMPS | /* MIMO power save */
726 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
727 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
728 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
729 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
730 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
731 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
732
733 /* spatial streams */
734
735 if (sc->nrxpath == 2)
736 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
737 else if (sc->nrxpath == 3)
738 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
739 else
740 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
741
742 if (sc->ntxpath > 1)
743 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
744
745 /* delayed BA */
746
747 if (sc->mac_rev != 0x28600100)
748 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
749
750 /* init channels */
751
752 ic->ic_nchans = 0;
753
754 rt2870_init_channels(sc);
755
756 rt2870_init_channels_ht40(sc);
757
758 ieee80211_ifattach(ic, sc->mac_addr);
759
760 ic->ic_vap_create = rt2870_vap_create;
761 ic->ic_vap_delete = rt2870_vap_delete;
762
763 ic->ic_node_alloc = rt2870_node_alloc;
764
765 sc->node_cleanup = ic->ic_node_cleanup;
766 ic->ic_node_cleanup = rt2870_node_cleanup;
767
768 ic->ic_node_getmimoinfo = rt2870_node_getmimoinfo;
769 ic->ic_setregdomain = rt2870_setregdomain;
770 ic->ic_getradiocaps = rt2870_getradiocaps;
771 ic->ic_scan_start = rt2870_scan_start;
772 ic->ic_scan_end = rt2870_scan_end;
773 ic->ic_set_channel = rt2870_set_channel;
774 ic->ic_newassoc = rt2870_newassoc;
775 ic->ic_updateslot = rt2870_updateslot;
776 ic->ic_update_promisc = rt2870_update_promisc;
777 ic->ic_update_mcast = rt2870_update_mcast;
778 ic->ic_wme.wme_update = rt2870_wme_update;
779 ic->ic_raw_xmit = rt2870_raw_xmit;
780
781 sc->recv_action = ic->ic_recv_action;
782 ic->ic_recv_action = rt2870_recv_action;
783
784 sc->send_action = ic->ic_send_action;
785 ic->ic_send_action = rt2870_send_action;
786
787 sc->addba_response = ic->ic_addba_response;
788 ic->ic_addba_response = rt2870_addba_response;
789
790 sc->addba_stop = ic->ic_addba_stop;
791 ic->ic_addba_stop = rt2870_addba_stop;
792
793 sc->ampdu_rx_start = ic->ic_ampdu_rx_start;
794 ic->ic_ampdu_rx_start = rt2870_ampdu_rx_start;
795
796 sc->ampdu_rx_stop = ic->ic_ampdu_rx_stop;
797 ic->ic_ampdu_rx_stop = rt2870_ampdu_rx_stop;
798
799 /* hardware requires padding between 802.11 frame header and body */
800
801 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
802
803 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
804
805 ieee80211_radiotap_attach(ic,
806 &sc->txtap.ihdr, sizeof(sc->txtap),
807 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
808 &sc->rxtap.ihdr, sizeof(sc->rxtap),
809 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
810
811 /* init task queue */
812
813 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
814 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
815 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
816 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
817
818 sc->rx_process_limit = 100;
819
820 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
821 taskqueue_thread_enqueue, &sc->taskqueue);
822
823 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
824 device_get_nameunit(sc->dev));
825
826 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
827
828 rt2870_sysctl_attach(sc);
829
830 if (bootverbose)
831 ieee80211_announce(ic);
832
833 return 0;
834
835 fail:
836
837 /* stop all USB transfers */
838
839 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
840
841 /* free Tx and Rx rings */
842
843 for (i = 0; i < sc->usb_endpoints - 1; i++)
844 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
845
846 rt2870_free_rx_ring(sc, &sc->rx_ring);
847
848 mtx_destroy(&sc->lock);
849
850 return error;
851 }
852
853 /*
854 * rt2870_detach
855 */
856 static int rt2870_detach(device_t dev)
857 {
858 struct rt2870_softc *sc;
859 struct ieee80211com *ic;
860 struct ifnet *ifp;
861 int i;
862
863 if (!device_is_attached(dev))
864 return 0;
865
866 sc = device_get_softc(dev);
867 ifp = sc->ifp;
868 ic = ifp->if_l2com;
869
870 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
871 "%s: detaching\n",
872 device_get_nameunit(sc->dev));
873
874 RT2870_SOFTC_LOCK(sc);
875
876 sc->flags &= ~RT2870_SOFTC_FLAGS_VALID;
877
878 sc->tx_timer = 0;
879
880 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
881
882 callout_stop(&sc->periodic_ch);
883 callout_stop(&sc->tx_watchdog_ch);
884
885 RT2870_SOFTC_UNLOCK(sc);
886
887 taskqueue_block(sc->taskqueue);
888
889 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
890 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
891 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
892 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
893
894 /* stop all USB transfers */
895
896 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
897
898 RT2870_SOFTC_LOCK(sc);
899
900 /* free Tx and Rx rings */
901
902 for (i = 0; i < sc->usb_endpoints - 1; i++)
903 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
904
905 rt2870_free_rx_ring(sc, &sc->rx_ring);
906
907 RT2870_SOFTC_UNLOCK(sc);
908
909 ieee80211_ifdetach(ic);
910
911 if_free(ifp);
912
913 taskqueue_free(sc->taskqueue);
914
915 mtx_destroy(&sc->lock);
916
917 return 0;
918 }
919
920 /*
921 * rt2870_init_channels
922 */
923 static void rt2870_init_channels(struct rt2870_softc *sc)
924 {
925 struct ifnet *ifp;
926 struct ieee80211com *ic;
927 struct ieee80211_channel *c;
928 int i, flags;
929
930 ifp = sc->ifp;
931 ic = ifp->if_l2com;
932
933 /* set supported channels for 2GHz band */
934
935 for (i = 1; i <= 14; i++)
936 {
937 c = &ic->ic_channels[ic->ic_nchans++];
938 flags = IEEE80211_CHAN_B;
939
940 c->ic_freq = ieee80211_ieee2mhz(i, flags);
941 c->ic_ieee = i;
942 c->ic_flags = flags;
943
944 c = &ic->ic_channels[ic->ic_nchans++];
945 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
946
947 c->ic_freq = ieee80211_ieee2mhz(i, flags);
948 c->ic_ieee = i;
949 c->ic_flags = flags;
950
951 c = &ic->ic_channels[ic->ic_nchans++];
952 flags = IEEE80211_CHAN_G;
953
954 c->ic_freq = ieee80211_ieee2mhz(i, flags);
955 c->ic_ieee = i;
956 c->ic_flags = flags;
957
958 c = &ic->ic_channels[ic->ic_nchans++];
959 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
960
961 c->ic_freq = ieee80211_ieee2mhz(i, flags);
962 c->ic_ieee = i;
963 c->ic_flags = flags;
964 }
965
966 /* set supported channels for 5GHz band */
967
968 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
969 sc->rf_rev == RT2870_EEPROM_RF_2750)
970 {
971 for (i = 36; i <= 64; i += 4)
972 {
973 c = &ic->ic_channels[ic->ic_nchans++];
974 flags = IEEE80211_CHAN_A;
975
976 c->ic_freq = ieee80211_ieee2mhz(i, flags);
977 c->ic_ieee = i;
978 c->ic_flags = flags;
979
980 c = &ic->ic_channels[ic->ic_nchans++];
981 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
982
983 c->ic_freq = ieee80211_ieee2mhz(i, flags);
984 c->ic_ieee = i;
985 c->ic_flags = flags;
986 }
987
988 for (i = 100; i <= 140; i += 4)
989 {
990 c = &ic->ic_channels[ic->ic_nchans++];
991 flags = IEEE80211_CHAN_A;
992
993 c->ic_freq = ieee80211_ieee2mhz(i, flags);
994 c->ic_ieee = i;
995 c->ic_flags = flags;
996
997 c = &ic->ic_channels[ic->ic_nchans++];
998 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
999
1000 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1001 c->ic_ieee = i;
1002 c->ic_flags = flags;
1003 }
1004
1005 for (i = 149; i <= 165; i += 4)
1006 {
1007 c = &ic->ic_channels[ic->ic_nchans++];
1008 flags = IEEE80211_CHAN_A;
1009
1010 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1011 c->ic_ieee = i;
1012 c->ic_flags = flags;
1013
1014 c = &ic->ic_channels[ic->ic_nchans++];
1015 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
1016
1017 c->ic_freq = ieee80211_ieee2mhz(i, flags);
1018 c->ic_ieee = i;
1019 c->ic_flags = flags;
1020 }
1021 }
1022 }
1023
1024 /*
1025 * rt2870_init_channels_ht40
1026 */
1027 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
1028 {
1029 struct ifnet *ifp;
1030 struct ieee80211com *ic;
1031 struct ieee80211_channel *c, *cent, *ext;
1032 int i, flags;
1033
1034 ifp = sc->ifp;
1035 ic = ifp->if_l2com;
1036
1037 /* set supported channels for 2GHz band */
1038
1039 for (i = 1; i <= 14; i++)
1040 {
1041 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1042
1043 /* find the center channel */
1044
1045 cent = ieee80211_find_channel_byieee(ic, i,
1046 flags & ~IEEE80211_CHAN_HT);
1047 if (cent == NULL)
1048 {
1049 printf("%s: skip channel %d, could not find center channel\n",
1050 device_get_nameunit(sc->dev), i);
1051 continue;
1052 }
1053
1054 /* find the extension channel */
1055
1056 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1057 flags & ~IEEE80211_CHAN_HT);
1058 if (ext == NULL)
1059 {
1060 printf("%s: skip channel %d, could not find extension channel\n",
1061 device_get_nameunit(sc->dev), i);
1062 continue;
1063 }
1064
1065 c = &ic->ic_channels[ic->ic_nchans++];
1066
1067 *c = *cent;
1068 c->ic_extieee = ext->ic_ieee;
1069 c->ic_flags &= ~IEEE80211_CHAN_HT;
1070 c->ic_flags |= IEEE80211_CHAN_HT40U;
1071
1072 c = &ic->ic_channels[ic->ic_nchans++];
1073
1074 *c = *ext;
1075 c->ic_extieee = cent->ic_ieee;
1076 c->ic_flags &= ~IEEE80211_CHAN_HT;
1077 c->ic_flags |= IEEE80211_CHAN_HT40D;
1078 }
1079
1080 /* set supported channels for 5GHz band */
1081
1082 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1083 sc->rf_rev == RT2870_EEPROM_RF_2750)
1084 {
1085 for (i = 36; i <= 64; i += 4)
1086 {
1087 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1088
1089 /* find the center channel */
1090
1091 cent = ieee80211_find_channel_byieee(ic, i,
1092 flags & ~IEEE80211_CHAN_HT);
1093 if (cent == NULL)
1094 {
1095 printf("%s: skip channel %d, could not find center channel\n",
1096 device_get_nameunit(sc->dev), i);
1097 continue;
1098 }
1099
1100 /* find the extension channel */
1101
1102 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1103 flags & ~IEEE80211_CHAN_HT);
1104 if (ext == NULL)
1105 {
1106 printf("%s: skip channel %d, could not find extension channel\n",
1107 device_get_nameunit(sc->dev), i);
1108 continue;
1109 }
1110
1111 c = &ic->ic_channels[ic->ic_nchans++];
1112
1113 *c = *cent;
1114 c->ic_extieee = ext->ic_ieee;
1115 c->ic_flags &= ~IEEE80211_CHAN_HT;
1116 c->ic_flags |= IEEE80211_CHAN_HT40U;
1117
1118 c = &ic->ic_channels[ic->ic_nchans++];
1119
1120 *c = *ext;
1121 c->ic_extieee = cent->ic_ieee;
1122 c->ic_flags &= ~IEEE80211_CHAN_HT;
1123 c->ic_flags |= IEEE80211_CHAN_HT40D;
1124 }
1125
1126 for (i = 100; i <= 140; i += 4)
1127 {
1128 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1129
1130 /* find the center channel */
1131
1132 cent = ieee80211_find_channel_byieee(ic, i,
1133 flags & ~IEEE80211_CHAN_HT);
1134 if (cent == NULL)
1135 {
1136 printf("%s: skip channel %d, could not find center channel\n",
1137 device_get_nameunit(sc->dev), i);
1138 continue;
1139 }
1140
1141 /* find the extension channel */
1142
1143 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1144 flags & ~IEEE80211_CHAN_HT);
1145 if (ext == NULL)
1146 {
1147 printf("%s: skip channel %d, could not find extension channel\n",
1148 device_get_nameunit(sc->dev), i);
1149 continue;
1150 }
1151
1152 c = &ic->ic_channels[ic->ic_nchans++];
1153
1154 *c = *cent;
1155 c->ic_extieee = ext->ic_ieee;
1156 c->ic_flags &= ~IEEE80211_CHAN_HT;
1157 c->ic_flags |= IEEE80211_CHAN_HT40U;
1158
1159 c = &ic->ic_channels[ic->ic_nchans++];
1160
1161 *c = *ext;
1162 c->ic_extieee = cent->ic_ieee;
1163 c->ic_flags &= ~IEEE80211_CHAN_HT;
1164 c->ic_flags |= IEEE80211_CHAN_HT40D;
1165 }
1166
1167 for (i = 149; i <= 165; i += 4)
1168 {
1169 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1170
1171 /* find the center channel */
1172
1173 cent = ieee80211_find_channel_byieee(ic, i,
1174 flags & ~IEEE80211_CHAN_HT);
1175 if (cent == NULL)
1176 {
1177 printf("%s: skip channel %d, could not find center channel\n",
1178 device_get_nameunit(sc->dev), i);
1179 continue;
1180 }
1181
1182 /* find the extension channel */
1183
1184 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1185 flags & ~IEEE80211_CHAN_HT);
1186 if (ext == NULL)
1187 {
1188 printf("%s: skip channel %d, could not find extension channel\n",
1189 device_get_nameunit(sc->dev), i);
1190 continue;
1191 }
1192
1193 c = &ic->ic_channels[ic->ic_nchans++];
1194
1195 *c = *cent;
1196 c->ic_extieee = ext->ic_ieee;
1197 c->ic_flags &= ~IEEE80211_CHAN_HT;
1198 c->ic_flags |= IEEE80211_CHAN_HT40U;
1199
1200 c = &ic->ic_channels[ic->ic_nchans++];
1201
1202 *c = *ext;
1203 c->ic_extieee = cent->ic_ieee;
1204 c->ic_flags &= ~IEEE80211_CHAN_HT;
1205 c->ic_flags |= IEEE80211_CHAN_HT40D;
1206 }
1207 }
1208 }
1209
1210 /*
1211 * rt2870_init_locked
1212 */
1213 static void rt2870_init_locked(void *priv)
1214 {
1215 struct rt2870_softc *sc;
1216 struct ifnet *ifp;
1217 struct ieee80211com *ic;
1218 int ntries, error, i;
1219 uint32_t tmp, stacnt[6];
1220
1221 sc = priv;
1222 ifp = sc->ifp;
1223 ic = ifp->if_l2com;
1224
1225 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1226 "%s: initializing\n",
1227 device_get_nameunit(sc->dev));
1228
1229 RT2870_SOFTC_ASSERT_LOCKED(sc);
1230
1231 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1232 {
1233 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1234 "%s: loading 8051 microcode\n",
1235 device_get_nameunit(sc->dev));
1236
1237 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1238 if (error != 0)
1239 {
1240 printf("%s: could not load 8051 microcode\n",
1241 device_get_nameunit(sc->dev));
1242 goto fail;
1243 }
1244
1245 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1246 "%s: 8051 microcode was successfully loaded\n",
1247 device_get_nameunit(sc->dev));
1248
1249 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1250 }
1251
1252 /* wait while DMA engine is busy */
1253
1254 for (ntries = 0; ntries < 100; ntries++)
1255 {
1256 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1257 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1258 break;
1259
1260 DELAY(1000);
1261 }
1262
1263 if (ntries == 100)
1264 {
1265 printf("%s: timeout waiting for DMA engine\n",
1266 device_get_nameunit(sc->dev));
1267 goto fail;
1268 }
1269
1270 tmp &= 0xff0;
1271 tmp |= RT2870_REG_TX_WB_DDONE;
1272
1273 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1274
1275 /* PBF hardware reset */
1276
1277 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1278
1279 tmp &= ~(1 << 13);
1280
1281 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1282
1283 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1284 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1285
1286 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1287
1288 rt2870_io_mcu_reset(sc);
1289
1290 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1291
1292 /* init Tx power per rate */
1293
1294 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1295 {
1296 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1297 continue;
1298
1299 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1300 sc->txpow_rate_20mhz[i]);
1301 }
1302
1303 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1304 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1305 rt2870_def_mac[i].val);
1306
1307 /* wait while MAC is busy */
1308
1309 for (ntries = 0; ntries < 100; ntries++)
1310 {
1311 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1312 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1313 break;
1314
1315 DELAY(1000);
1316 }
1317
1318 if (ntries == 100)
1319 {
1320 printf("%s: timeout waiting for MAC\n",
1321 device_get_nameunit(sc->dev));
1322 goto fail;
1323 }
1324
1325 /* clear Host to MCU mailbox */
1326
1327 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1328 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1329
1330 DELAY(1000);
1331
1332 error = rt2870_init_bbp(sc);
1333 if (error != 0)
1334 goto fail;
1335
1336 /* set up maximum buffer sizes */
1337
1338 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1339
1340 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1341
1342 if (sc->mac_rev == 0x28720200)
1343 {
1344 /* set max. PSDU length from 16K to 32K bytes */
1345
1346 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1347
1348 tmp &= ~(3 << 12);
1349 tmp |= (2 << 12);
1350
1351 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1352 }
1353
1354 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1355 {
1356 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1357
1358 tmp &= 0xfff;
1359 tmp |= 0x2000;
1360
1361 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1362 }
1363
1364 /* set mac address */
1365
1366 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1367
1368 /* clear statistic registers */
1369
1370 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1371 stacnt, sizeof(stacnt));
1372
1373 /* send LEDs operating mode to microcontroller */
1374
1375 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1376 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1377 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1378 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1379 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1380 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1381
1382 /* write vendor-specific BBP values (from EEPROM) */
1383
1384 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1385 {
1386 if (sc->bbp_eeprom[i].reg == 0x00 ||
1387 sc->bbp_eeprom[i].reg == 0xff)
1388 continue;
1389
1390 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1391 sc->bbp_eeprom[i].val);
1392 }
1393
1394 /* disable non-existing Rx chains */
1395
1396 tmp = rt2870_io_bbp_read(sc, 3);
1397
1398 tmp &= ~((1 << 4) | (1 << 3));
1399
1400 if (sc->nrxpath == 3)
1401 tmp |= (1 << 4);
1402 else if (sc->nrxpath == 2)
1403 tmp |= (1 << 3);
1404
1405 rt2870_io_bbp_write(sc, 3, tmp);
1406
1407 /* disable non-existing Tx chains */
1408
1409 tmp = rt2870_io_bbp_read(sc, 1);
1410
1411 tmp &= ~((1 << 4) | (1 << 3));
1412
1413 if (sc->ntxpath == 2)
1414 tmp |= (1 << 4);
1415
1416 rt2870_io_bbp_write(sc, 1, tmp);
1417
1418 /* set current channel */
1419
1420 rt2870_rf_set_chan(sc, ic->ic_curchan);
1421
1422 /* turn radio LED on */
1423
1424 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1425
1426 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1427 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1428
1429 /* set RTS threshold */
1430
1431 rt2870_asic_update_rtsthreshold(sc);
1432
1433 /* set Tx power */
1434
1435 rt2870_asic_update_txpower(sc);
1436
1437 /* set up protection mode */
1438
1439 sc->tx_ampdu_sessions = 0;
1440
1441 rt2870_asic_updateprot(sc);
1442
1443 /* clear beacon frame space (entries = 8, entry size = 512) */
1444
1445 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1446
1447 if (rt2870_txrx_enable(sc) != 0)
1448 goto fail;
1449
1450 /* clear garbage interrupts */
1451
1452 tmp = rt2870_io_mac_read(sc, 0x1300);
1453
1454 taskqueue_unblock(sc->taskqueue);
1455
1456 /* init Tx and Rx rings */
1457
1458 for(i = 0; i < sc->usb_endpoints - 1; i++)
1459 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1460
1461 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1462
1463 for(i = 0; i < sc->usb_endpoints - 1; i++)
1464 {
1465 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1466 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1467 }
1468
1469 /* start up the receive pipe */
1470
1471 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1472 usbd_transfer_start(sc->usb_xfer[0]);
1473
1474 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1475 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1476
1477 sc->periodic_round = 0;
1478
1479 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1480
1481 return;
1482
1483 fail:
1484
1485 rt2870_stop_locked(sc);
1486 }
1487
1488 /*
1489 * rt2870_init
1490 */
1491 static void rt2870_init(void *priv)
1492 {
1493 struct rt2870_softc *sc;
1494
1495 sc = priv;
1496
1497 RT2870_SOFTC_LOCK(sc);
1498
1499 rt2870_init_locked(sc);
1500
1501 RT2870_SOFTC_UNLOCK(sc);
1502 }
1503
1504 /*
1505 * rt2870_init_bbp
1506 */
1507 static int rt2870_init_bbp(struct rt2870_softc *sc)
1508 {
1509 int ntries, i;
1510 uint8_t tmp;
1511
1512 for (ntries = 0; ntries < 20; ntries++)
1513 {
1514 tmp = rt2870_io_bbp_read(sc, 0);
1515 if (tmp != 0x00 && tmp != 0xff)
1516 break;
1517 }
1518
1519 if (tmp == 0x00 || tmp == 0xff)
1520 {
1521 printf("%s: timeout waiting for BBP to wakeup\n",
1522 device_get_nameunit(sc->dev));
1523 return ETIMEDOUT;
1524 }
1525
1526 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1527 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1528 rt2870_def_bbp[i].val);
1529
1530 if ((sc->mac_rev & 0xffff) != 0x0101)
1531 rt2870_io_bbp_write(sc, 84, 0x19);
1532
1533 if (sc->mac_rev == 0x28600100)
1534 {
1535 rt2870_io_bbp_write(sc, 69, 0x16);
1536 rt2870_io_bbp_write(sc, 73, 0x12);
1537 }
1538
1539 return 0;
1540 }
1541
1542 /*
1543 * rt2870_stop_locked
1544 */
1545 static void rt2870_stop_locked(void *priv)
1546 {
1547 struct rt2870_softc *sc;
1548 struct ifnet *ifp;
1549 struct ieee80211com *ic;
1550 uint32_t tmp;
1551 int i;
1552
1553 sc = priv;
1554 ifp = sc->ifp;
1555 ic = ifp->if_l2com;
1556
1557 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1558 "%s: stopping\n",
1559 device_get_nameunit(sc->dev));
1560
1561 RT2870_SOFTC_ASSERT_LOCKED(sc);
1562
1563 sc->tx_timer = 0;
1564
1565 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1566 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1567
1568 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1569
1570 callout_stop(&sc->periodic_ch);
1571 callout_stop(&sc->tx_watchdog_ch);
1572
1573 RT2870_SOFTC_UNLOCK(sc);
1574
1575 taskqueue_block(sc->taskqueue);
1576
1577 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1578 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1579 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1580 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1581
1582 RT2870_SOFTC_LOCK(sc);
1583
1584 /* clear key tables */
1585
1586 rt2870_asic_clear_keytables(sc);
1587
1588 /* disable Tx/Rx */
1589
1590 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1591
1592 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1593
1594 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1595
1596 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1597
1598 /* reset adapter */
1599
1600 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1601 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1602 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1603
1604 /* abort any pending transfers */
1605
1606 for (i = 0; i < sc->usb_endpoints; i++)
1607 usbd_transfer_stop(sc->usb_xfer[i]);
1608
1609 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1610 }
1611
1612 /*
1613 * rt2870_stop
1614 */
1615 static void rt2870_stop(void *priv)
1616 {
1617 struct rt2870_softc *sc;
1618
1619 sc = priv;
1620
1621 RT2870_SOFTC_LOCK(sc);
1622
1623 rt2870_stop_locked(sc);
1624
1625 RT2870_SOFTC_UNLOCK(sc);
1626 }
1627
1628 /*
1629 * rt2870_start
1630 */
1631 static void rt2870_start(struct ifnet *ifp)
1632 {
1633 struct rt2870_softc *sc;
1634 struct ieee80211_node *ni;
1635 struct mbuf *m;
1636 int qid;
1637
1638 sc = ifp->if_softc;
1639
1640 RT2870_SOFTC_LOCK(sc);
1641
1642 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1643 {
1644 RT2870_SOFTC_UNLOCK(sc);
1645 return;
1646 }
1647
1648 for (;;)
1649 {
1650 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1651 if (m == NULL)
1652 break;
1653
1654 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1655
1656 m->m_pkthdr.rcvif = NULL;
1657
1658 qid = M_WME_GETAC(m);
1659
1660 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1661 {
1662 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1663 "%s: if_start: Tx ring with qid=%d is full\n",
1664 device_get_nameunit(sc->dev), qid);
1665
1666 m_freem(m);
1667 ieee80211_free_node(ni);
1668
1669 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1670 ifp->if_oerrors++;
1671
1672 sc->tx_data_queue_full[qid]++;
1673
1674 break;
1675 }
1676
1677 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1678 {
1679 ieee80211_free_node(ni);
1680 ifp->if_oerrors++;
1681 break;
1682 }
1683
1684 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1685
1686 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1687 }
1688
1689 RT2870_SOFTC_UNLOCK(sc);
1690 }
1691
1692 /*
1693 * rt2870_ioctl
1694 */
1695 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1696 {
1697 struct rt2870_softc *sc;
1698 struct ieee80211com *ic;
1699 struct ifreq *ifr;
1700 int error, startall;
1701
1702 sc = ifp->if_softc;
1703 ic = ifp->if_l2com;
1704 ifr = (struct ifreq *) data;
1705
1706 error = 0;
1707
1708 switch (cmd)
1709 {
1710 case SIOCSIFFLAGS:
1711 startall = 0;
1712
1713 RT2870_SOFTC_LOCK(sc);
1714
1715 if (ifp->if_flags & IFF_UP)
1716 {
1717 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1718 {
1719 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1720 rt2870_asic_update_promisc(sc);
1721 }
1722 else
1723 {
1724 rt2870_init_locked(sc);
1725 startall = 1;
1726 }
1727 }
1728 else
1729 {
1730 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1731 rt2870_stop_locked(sc);
1732 }
1733
1734 sc->if_flags = ifp->if_flags;
1735
1736 RT2870_SOFTC_UNLOCK(sc);
1737
1738 if (startall)
1739 ieee80211_start_all(ic);
1740 break;
1741
1742 case SIOCGIFMEDIA:
1743 case SIOCSIFMEDIA:
1744 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1745 break;
1746
1747 case SIOCGIFADDR:
1748 error = ether_ioctl(ifp, cmd, data);
1749 break;
1750
1751 default:
1752 error = EINVAL;
1753 break;
1754 }
1755
1756 return error;
1757 }
1758
1759 /*
1760 * rt2870_vap_create
1761 */
1762 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1763 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1764 const uint8_t bssid[IEEE80211_ADDR_LEN],
1765 const uint8_t mac[IEEE80211_ADDR_LEN])
1766 {
1767 struct rt2870_softc *sc;
1768 struct ifnet *ifp;
1769 struct rt2870_softc_vap *rvap;
1770 struct ieee80211vap *vap;
1771
1772 ifp = ic->ic_ifp;
1773 sc = ifp->if_softc;
1774
1775 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1776 "%s: VAP create: opmode=%s\n",
1777 device_get_nameunit(sc->dev),
1778 ieee80211_opmode_name[opmode]);
1779
1780 switch (opmode)
1781 {
1782 case IEEE80211_M_IBSS:
1783 case IEEE80211_M_STA:
1784 case IEEE80211_M_AHDEMO:
1785 case IEEE80211_M_HOSTAP:
1786 case IEEE80211_M_MBSS:
1787 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1788 {
1789 if_printf(ifp, "only 1 VAP supported\n");
1790 return NULL;
1791 }
1792
1793 if (opmode == IEEE80211_M_STA)
1794 flags |= IEEE80211_CLONE_NOBEACONS;
1795 break;
1796
1797 case IEEE80211_M_WDS:
1798 if (sc->napvaps == 0)
1799 {
1800 if_printf(ifp, "WDS only supported in AP mode\n");
1801 return NULL;
1802 }
1803 break;
1804
1805 case IEEE80211_M_MONITOR:
1806 break;
1807
1808 default:
1809 if_printf(ifp, "unknown opmode %d\n", opmode);
1810 return NULL;
1811 }
1812
1813 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1814 M_80211_VAP, M_NOWAIT | M_ZERO);
1815 if (rvap == NULL)
1816 return NULL;
1817
1818 vap = &rvap->vap;
1819
1820 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1821
1822 rvap->newstate = vap->iv_newstate;
1823 vap->iv_newstate = rt2870_vap_newstate;
1824
1825 vap->iv_reset = rt2870_vap_reset;
1826 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1827 vap->iv_key_update_end = rt2870_vap_key_update_end;
1828 vap->iv_key_set = rt2870_vap_key_set;
1829 vap->iv_key_delete = rt2870_vap_key_delete;
1830 vap->iv_update_beacon = rt2870_vap_update_beacon;
1831
1832 rt2870_amrr_init(&rvap->amrr, vap,
1833 sc->ntxpath,
1834 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1835 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1836 500);
1837
1838 vap->iv_max_aid = RT2870_SOFTC_STAID_COUNT;
1839
1840 /* overwrite default Rx A-MPDU factor */
1841
1842 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1843 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1844 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1845
1846 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1847
1848 switch (vap->iv_opmode)
1849 {
1850 case IEEE80211_M_HOSTAP:
1851 case IEEE80211_M_MBSS:
1852 case IEEE80211_M_AHDEMO:
1853 sc->napvaps++;
1854 break;
1855
1856 case IEEE80211_M_IBSS:
1857 sc->nadhocvaps++;
1858 break;
1859
1860 case IEEE80211_M_STA:
1861 sc->nstavaps++;
1862 break;
1863
1864 case IEEE80211_M_WDS:
1865 sc->nwdsvaps++;
1866 break;
1867
1868 default:
1869 break;
1870 }
1871
1872 sc->nvaps++;
1873
1874 if (sc->napvaps > 0)
1875 ic->ic_opmode = IEEE80211_M_HOSTAP;
1876 else if (sc->nadhocvaps > 0)
1877 ic->ic_opmode = IEEE80211_M_IBSS;
1878 else if (sc->nstavaps > 0)
1879 ic->ic_opmode = IEEE80211_M_STA;
1880 else
1881 ic->ic_opmode = opmode;
1882
1883 return vap;
1884 }
1885
1886 /*
1887 * rt2870_vap_delete
1888 */
1889 static void rt2870_vap_delete(struct ieee80211vap *vap)
1890 {
1891 struct rt2870_softc *sc;
1892 struct ieee80211com *ic;
1893 struct ifnet *ifp;
1894 struct rt2870_softc_vap *rvap;
1895 enum ieee80211_opmode opmode;
1896
1897 ic = vap->iv_ic;
1898 ifp = ic->ic_ifp;
1899 sc = ifp->if_softc;
1900 rvap = (struct rt2870_softc_vap *) vap;
1901 opmode = vap->iv_opmode;
1902
1903 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1904 "%s: VAP delete: opmode=%s\n",
1905 device_get_nameunit(sc->dev),
1906 ieee80211_opmode_name[opmode]);
1907
1908 rt2870_amrr_cleanup(&rvap->amrr);
1909
1910 ieee80211_vap_detach(vap);
1911
1912 if (rvap->beacon_mbuf != NULL)
1913 {
1914 m_free(rvap->beacon_mbuf);
1915 rvap->beacon_mbuf = NULL;
1916 }
1917
1918 switch (opmode)
1919 {
1920 case IEEE80211_M_HOSTAP:
1921 case IEEE80211_M_MBSS:
1922 case IEEE80211_M_AHDEMO:
1923 sc->napvaps--;
1924 break;
1925
1926 case IEEE80211_M_IBSS:
1927 sc->nadhocvaps--;
1928 break;
1929
1930 case IEEE80211_M_STA:
1931 sc->nstavaps--;
1932 break;
1933
1934 case IEEE80211_M_WDS:
1935 sc->nwdsvaps--;
1936 break;
1937
1938 default:
1939 break;
1940 }
1941
1942 sc->nvaps--;
1943
1944 if (sc->napvaps > 0)
1945 ic->ic_opmode = IEEE80211_M_HOSTAP;
1946 else if (sc->nadhocvaps > 0)
1947 ic->ic_opmode = IEEE80211_M_IBSS;
1948 else if (sc->nstavaps > 0)
1949 ic->ic_opmode = IEEE80211_M_STA;
1950
1951 free(rvap, M_80211_VAP);
1952 }
1953
1954 /*
1955 * rt2870_reset_vap
1956 */
1957 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1958 {
1959 struct rt2870_softc *sc;
1960 struct ieee80211com *ic;
1961 struct ifnet *ifp;
1962 struct rt2870_softc_vap *rvap;
1963 int error;
1964
1965 ic = vap->iv_ic;
1966 ifp = ic->ic_ifp;
1967 sc = ifp->if_softc;
1968 rvap = (struct rt2870_softc_vap *) vap;
1969
1970 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1971 "%s: VAP reset: cmd=%lu\n",
1972 device_get_nameunit(sc->dev), cmd);
1973
1974 error = 0;
1975
1976 RT2870_SOFTC_LOCK(sc);
1977
1978 switch (cmd)
1979 {
1980 case IEEE80211_IOC_RTSTHRESHOLD:
1981 case IEEE80211_IOC_AMSDU:
1982 rt2870_asic_update_rtsthreshold(sc);
1983 break;
1984
1985 case IEEE80211_IOC_PROTMODE:
1986 case IEEE80211_IOC_HTPROTMODE:
1987 rt2870_asic_updateprot(sc);
1988 break;
1989
1990 case IEEE80211_IOC_TXPOWER:
1991 rt2870_asic_update_txpower(sc);
1992 break;
1993
1994 case IEEE80211_IOC_BURST:
1995 rt2870_asic_updateslot(sc);
1996 break;
1997
1998 case IEEE80211_IOC_SHORTGI:
1999 case IEEE80211_IOC_AMPDU_DENSITY:
2000 case IEEE80211_IOC_SMPS:
2001 break;
2002
2003 default:
2004 error = ENETRESET;
2005 break;
2006 }
2007
2008 RT2870_SOFTC_UNLOCK(sc);
2009
2010 return error;
2011 }
2012
2013 /*
2014 * rt2870_vap_newstate
2015 */
2016 static int rt2870_vap_newstate(struct ieee80211vap *vap,
2017 enum ieee80211_state nstate, int arg)
2018 {
2019 struct rt2870_softc *sc;
2020 struct ieee80211com *ic;
2021 struct ifnet *ifp;
2022 struct rt2870_softc_vap *rvap;
2023 struct ieee80211_node *ni;
2024 int error;
2025
2026 ic = vap->iv_ic;
2027 ifp = ic->ic_ifp;
2028 sc = ifp->if_softc;
2029 rvap = (struct rt2870_softc_vap *) vap;
2030
2031 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2032 "%s: VAP newstate: %s -> %s\n",
2033 device_get_nameunit(sc->dev),
2034 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
2035
2036 error = rvap->newstate(vap, nstate, arg);
2037 if (error != 0)
2038 return error;
2039
2040 IEEE80211_UNLOCK(ic);
2041
2042 RT2870_SOFTC_LOCK(sc);
2043
2044 /* turn link LED off */
2045
2046 if (nstate != IEEE80211_S_RUN)
2047 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2048
2049 switch (nstate)
2050 {
2051 case IEEE80211_S_INIT:
2052 rt2870_asic_disable_tsf_sync(sc);
2053 break;
2054
2055 case IEEE80211_S_RUN:
2056 ni = vap->iv_bss;
2057
2058 rt2870_rf_set_chan(sc, ni->ni_chan);
2059
2060 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2061 {
2062 rt2870_asic_enable_mrr(sc);
2063 rt2870_asic_set_txpreamble(sc);
2064 rt2870_asic_set_basicrates(sc);
2065 rt2870_asic_update_txpower(sc);
2066 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2067 }
2068
2069 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2070 vap->iv_opmode == IEEE80211_M_IBSS ||
2071 vap->iv_opmode == IEEE80211_M_MBSS)
2072 {
2073 error = rt2870_beacon_alloc(sc, vap);
2074 if (error != 0)
2075 break;
2076
2077 rt2870_asic_update_beacon(sc, vap);
2078 }
2079
2080 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2081 rt2870_asic_enable_tsf_sync(sc);
2082
2083 /* turn link LED on */
2084
2085 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2086 {
2087 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2088 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2089 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2090 }
2091 break;
2092
2093 default:
2094 break;
2095 }
2096
2097 RT2870_SOFTC_UNLOCK(sc);
2098
2099 IEEE80211_LOCK(ic);
2100
2101 return error;
2102 }
2103
2104 /*
2105 * rt2870_vap_key_update_begin
2106 */
2107 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
2108 {
2109 struct rt2870_softc *sc;
2110 struct ieee80211com *ic;
2111 struct ifnet *ifp;
2112
2113 ic = vap->iv_ic;
2114 ifp = ic->ic_ifp;
2115 sc = ifp->if_softc;
2116
2117 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2118 "%s: VAP key update begin\n",
2119 device_get_nameunit(sc->dev));
2120
2121 taskqueue_block(sc->taskqueue);
2122
2123 IF_LOCK(&ifp->if_snd);
2124 }
2125
2126 /*
2127 * rt2870_vap_key_update_end
2128 */
2129 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
2130 {
2131 struct rt2870_softc *sc;
2132 struct ieee80211com *ic;
2133 struct ifnet *ifp;
2134
2135 ic = vap->iv_ic;
2136 ifp = ic->ic_ifp;
2137 sc = ifp->if_softc;
2138
2139 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2140 "%s: VAP key update end\n",
2141 device_get_nameunit(sc->dev));
2142
2143 IF_UNLOCK(&ifp->if_snd);
2144
2145 taskqueue_unblock(sc->taskqueue);
2146 }
2147
2148 /*
2149 * rt2870_vap_key_set
2150 */
2151 static int rt2870_vap_key_set(struct ieee80211vap *vap,
2152 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2153 {
2154 struct rt2870_softc *sc;
2155 struct ieee80211com *ic;
2156 struct ifnet *ifp;
2157 struct ieee80211_node *ni;
2158 struct rt2870_softc_node *rni;
2159 struct rt2870_cmd_argv_keyset cmd_argv;
2160
2161 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2162 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2163 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2164 return 0;
2165
2166 ic = vap->iv_ic;
2167 ifp = ic->ic_ifp;
2168 sc = ifp->if_softc;
2169
2170 cmd_argv.opmode = vap->iv_opmode;
2171
2172 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2173
2174 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2175 {
2176 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2177 rni = (struct rt2870_softc_node *) ni;
2178
2179 cmd_argv.staid = rni->staid;
2180
2181 ieee80211_free_node(ni);
2182 }
2183
2184 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2185 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2186
2187 return 1;
2188 }
2189
2190 /*
2191 * rt2870_vap_key_delete
2192 */
2193 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2194 const struct ieee80211_key *k)
2195 {
2196 struct rt2870_softc *sc;
2197 struct ieee80211com *ic;
2198 struct ifnet *ifp;
2199 struct rt2870_cmd_argv_keydelete cmd_argv;
2200
2201 ic = vap->iv_ic;
2202 ifp = ic->ic_ifp;
2203 sc = ifp->if_softc;
2204
2205 cmd_argv.opmode = vap->iv_opmode;
2206
2207 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2208
2209 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2210 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2211
2212 return 1;
2213 }
2214
2215 /*
2216 * rt2870_vap_update_beacon
2217 */
2218 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2219 {
2220 struct rt2870_softc *sc;
2221 struct ieee80211com *ic;
2222 struct ifnet *ifp;
2223 struct rt2870_softc_vap *rvap;
2224 struct mbuf *m;
2225 struct ieee80211_beacon_offsets *bo;
2226
2227 ic = vap->iv_ic;
2228 ifp = ic->ic_ifp;
2229 sc = ifp->if_softc;
2230 rvap = (struct rt2870_softc_vap *) vap;
2231 m = rvap->beacon_mbuf;
2232 bo = &rvap->beacon_offsets;
2233
2234 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2235 "%s: VAP update beacon: what=%d\n",
2236 device_get_nameunit(sc->dev), what);
2237
2238 setbit(bo->bo_flags, what);
2239
2240 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2241
2242 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2243 }
2244
2245 /*
2246 * rt2870_node_alloc
2247 */
2248 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2249 const uint8_t mac[IEEE80211_ADDR_LEN])
2250 {
2251 return malloc(sizeof(struct rt2870_softc_node),
2252 M_80211_NODE, M_NOWAIT | M_ZERO);
2253 }
2254
2255 /*
2256 * rt2870_node_cleanup
2257 */
2258 static void rt2870_node_cleanup(struct ieee80211_node *ni)
2259 {
2260 struct rt2870_softc *sc;
2261 struct ieee80211com *ic;
2262 struct ifnet *ifp;
2263 struct rt2870_softc_node *rni;
2264 struct rt2870_cmd_argv_nodecleanup cmd_argv;
2265
2266 ic = ni->ni_ic;
2267 ifp = ic->ic_ifp;
2268 sc = ifp->if_softc;
2269 rni = (struct rt2870_softc_node *) ni;
2270
2271 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2272 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2273 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2274 ni->ni_associd, rni->staid);
2275
2276 if (rni->staid != 0)
2277 {
2278 cmd_argv.staid = rni->staid;
2279
2280 rni->staid = 0;
2281
2282 rt2870_do_async(sc, rt2870_node_cleanup_cb,
2283 &cmd_argv, sizeof(struct rt2870_cmd_argv_nodecleanup));
2284 }
2285
2286 sc->node_cleanup(ni);
2287 }
2288
2289 /*
2290 * rt2870_node_getmimoinfo
2291 */
2292 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2293 struct ieee80211_mimo_info *mi)
2294 {
2295 const struct rt2870_softc_node *rni;
2296 int i;
2297
2298 rni = (const struct rt2870_softc_node *) ni;
2299
2300 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2301 {
2302 mi->rssi[i] = rni->last_rssi_dbm[i];
2303 mi->noise[i] = RT2870_NOISE_FLOOR;
2304 }
2305 }
2306
2307 /*
2308 * rt2870_setregdomain
2309 */
2310 static int rt2870_setregdomain(struct ieee80211com *ic,
2311 struct ieee80211_regdomain *reg,
2312 int nchans, struct ieee80211_channel chans[])
2313 {
2314 struct rt2870_softc *sc;
2315 struct ifnet *ifp;
2316
2317 ifp = ic->ic_ifp;
2318 sc = ifp->if_softc;
2319
2320 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2321 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2322 device_get_nameunit(sc->dev),
2323 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2324
2325 return 0;
2326 }
2327
2328 /*
2329 * rt2870_getradiocaps
2330 */
2331 static void rt2870_getradiocaps(struct ieee80211com *ic,
2332 int maxchans, int *nchans, struct ieee80211_channel chans[])
2333 {
2334 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2335
2336 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2337 }
2338
2339 /*
2340 * rt2870_scan_start
2341 */
2342 static void rt2870_scan_start(struct ieee80211com *ic)
2343 {
2344 struct rt2870_softc *sc;
2345 struct ifnet *ifp;
2346
2347 ifp = ic->ic_ifp;
2348 sc = ifp->if_softc;
2349
2350 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2351 return;
2352
2353 RT2870_SOFTC_LOCK(sc);
2354
2355 rt2870_asic_disable_tsf_sync(sc);
2356
2357 RT2870_SOFTC_UNLOCK(sc);
2358 }
2359
2360 /*
2361 * rt2870_scan_end
2362 */
2363 static void rt2870_scan_end(struct ieee80211com *ic)
2364 {
2365 struct rt2870_softc *sc;
2366 struct ifnet *ifp;
2367
2368 ifp = ic->ic_ifp;
2369 sc = ifp->if_softc;
2370
2371 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2372 return;
2373
2374 RT2870_SOFTC_LOCK(sc);
2375
2376 rt2870_asic_enable_tsf_sync(sc);
2377
2378 RT2870_SOFTC_UNLOCK(sc);
2379 }
2380
2381 /*
2382 * rt2870_set_channel
2383 */
2384 static void rt2870_set_channel(struct ieee80211com *ic)
2385 {
2386 struct rt2870_softc *sc;
2387 struct ifnet *ifp;
2388
2389 ifp = ic->ic_ifp;
2390 sc = ifp->if_softc;
2391
2392 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2393 return;
2394
2395 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2396 "%s: set channel: channel=%u, HT%s%s\n",
2397 device_get_nameunit(sc->dev),
2398 ieee80211_chan2ieee(ic, ic->ic_curchan),
2399 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2400 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2401 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2402 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2403
2404 RT2870_SOFTC_LOCK(sc);
2405
2406 rt2870_rf_set_chan(sc, ic->ic_curchan);
2407
2408 RT2870_SOFTC_UNLOCK(sc);
2409 }
2410
2411 /*
2412 * rt2870_newassoc
2413 */
2414 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2415 {
2416 struct rt2870_softc *sc;
2417 struct ieee80211com *ic;
2418 struct ifnet *ifp;
2419 struct ieee80211vap *vap;
2420 struct rt2870_softc_vap *rvap;
2421 struct rt2870_softc_node *rni;
2422 uint16_t aid;
2423 uint8_t wcid;
2424 uint32_t tmp;
2425
2426 vap = ni->ni_vap;
2427 ic = vap->iv_ic;
2428 ifp = ic->ic_ifp;
2429 sc = ifp->if_softc;
2430 rvap = (struct rt2870_softc_vap *) vap;
2431 rni = (struct rt2870_softc_node *) ni;
2432
2433 if (isnew)
2434 {
2435 aid = IEEE80211_AID(ni->ni_associd);
2436 rni->staid = rt2870_staid_alloc(sc, aid);
2437 wcid = rni->staid;
2438
2439 RT2870_SOFTC_LOCK(sc);
2440
2441 tmp = (ni->ni_macaddr[3] << 24) |
2442 (ni->ni_macaddr[2] << 16) |
2443 (ni->ni_macaddr[1] << 8) |
2444 ni->ni_macaddr[0];
2445
2446 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), tmp);
2447
2448 tmp = (ni->ni_macaddr[5] << 8) |
2449 ni->ni_macaddr[4];
2450
2451 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2452
2453 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2454
2455 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2456 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2457 device_get_nameunit(sc->dev),
2458 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2459 ni->ni_associd, ni->ni_txrate,
2460 (ni->ni_flags & IEEE80211_NODE_HT) ?
2461 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2462 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2463
2464 rt2870_asic_updateprot(sc);
2465 rt2870_asic_updateslot(sc);
2466 rt2870_asic_set_txpreamble(sc);
2467
2468 RT2870_SOFTC_UNLOCK(sc);
2469 }
2470
2471 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2472 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2473 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2474 ni->ni_associd, rni->staid,
2475 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2476 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2477 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2478 }
2479
2480 /*
2481 * rt2870_updateslot
2482 */
2483 static void rt2870_updateslot(struct ifnet *ifp)
2484 {
2485 struct rt2870_softc *sc;
2486
2487 sc = ifp->if_softc;
2488
2489 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2490 }
2491
2492 /*
2493 * rt2870_update_promisc
2494 */
2495 static void rt2870_update_promisc(struct ifnet *ifp)
2496 {
2497 struct rt2870_softc *sc;
2498
2499 sc = ifp->if_softc;
2500
2501 RT2870_SOFTC_LOCK(sc);
2502
2503 rt2870_asic_update_promisc(sc);
2504
2505 RT2870_SOFTC_UNLOCK(sc);
2506 }
2507
2508 /*
2509 * rt2870_update_mcast
2510 */
2511 static void rt2870_update_mcast(struct ifnet *ifp)
2512 {
2513 struct rt2870_softc *sc;
2514
2515 sc = ifp->if_softc;
2516 }
2517
2518 /*
2519 * rt2870_wme_update
2520 */
2521 static int rt2870_wme_update(struct ieee80211com *ic)
2522 {
2523 struct rt2870_softc *sc;
2524 struct ifnet *ifp;
2525
2526 ifp = ic->ic_ifp;
2527 sc = ifp->if_softc;
2528
2529 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2530
2531 return 0;
2532 }
2533
2534 /*
2535 * rt2870_raw_xmit
2536 */
2537 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2538 const struct ieee80211_bpf_params *params)
2539 {
2540 struct rt2870_softc *sc;
2541 struct ieee80211com *ic;
2542 struct ifnet *ifp;
2543
2544 ic = ni->ni_ic;
2545 ifp = ic->ic_ifp;
2546 sc = ifp->if_softc;
2547
2548 RT2870_SOFTC_LOCK(sc);
2549
2550 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2551 {
2552 RT2870_SOFTC_UNLOCK(sc);
2553
2554 m_freem(m);
2555 ieee80211_free_node(ni);
2556
2557 return ENETDOWN;
2558 }
2559
2560 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2561 {
2562 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2563 "%s: raw xmit: Tx ring with qid=%d is full\n",
2564 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2565
2566 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2567
2568 RT2870_SOFTC_UNLOCK(sc);
2569
2570 m_freem(m);
2571 ieee80211_free_node(ni);
2572
2573 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2574
2575 return ENOBUFS;
2576 }
2577
2578 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2579 {
2580 ifp->if_oerrors++;
2581
2582 RT2870_SOFTC_UNLOCK(sc);
2583
2584 ieee80211_free_node(ni);
2585
2586 return EIO;
2587 }
2588
2589 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2590
2591 RT2870_SOFTC_UNLOCK(sc);
2592
2593 return 0;
2594 }
2595
2596 /*
2597 * rt2870_recv_action
2598 */
2599 static int rt2870_recv_action(struct ieee80211_node *ni,
2600 const struct ieee80211_frame *wh,
2601 const uint8_t *frm, const uint8_t *efrm)
2602 {
2603 struct rt2870_softc *sc;
2604 struct ieee80211com *ic;
2605 struct ifnet *ifp;
2606 struct rt2870_softc_node *rni;
2607 const struct ieee80211_action *ia;
2608 uint16_t baparamset;
2609 uint8_t wcid;
2610 int tid;
2611
2612 ic = ni->ni_ic;
2613 ifp = ic->ic_ifp;
2614 sc = ifp->if_softc;
2615 rni = (struct rt2870_softc_node *) ni;
2616
2617 ia = (const struct ieee80211_action *) frm;
2618
2619 if (ia->ia_category == IEEE80211_ACTION_CAT_BA)
2620 {
2621 switch (ia->ia_action)
2622 {
2623 /* IEEE80211_ACTION_BA_DELBA */
2624 case IEEE80211_ACTION_BA_DELBA:
2625 baparamset = LE_READ_2(frm + 2);
2626 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2627 wcid = rni->staid;
2628
2629 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2630 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2631 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2632
2633 if (rni->staid != 0)
2634 {
2635 RT2870_SOFTC_LOCK(sc);
2636
2637 rt2870_asic_del_ba_session(sc, wcid, tid);
2638
2639 RT2870_SOFTC_UNLOCK(sc);
2640 }
2641 break;
2642 }
2643 }
2644
2645 return sc->recv_action(ni, wh, frm, efrm);
2646 }
2647
2648 /*
2649 * rt2870_send_action
2650 */
2651 static int rt2870_send_action(struct ieee80211_node *ni,
2652 int cat, int act, void *sa)
2653 {
2654 struct rt2870_softc *sc;
2655 struct ieee80211com *ic;
2656 struct ifnet *ifp;
2657 struct rt2870_softc_node *rni;
2658 uint16_t *args, status, baparamset;
2659 uint8_t wcid;
2660 int tid, bufsize;
2661
2662 ic = ni->ni_ic;
2663 ifp = ic->ic_ifp;
2664 sc = ifp->if_softc;
2665 rni = (struct rt2870_softc_node *) ni;
2666
2667 wcid = rni->staid;
2668 args = sa;
2669
2670 if (cat == IEEE80211_ACTION_CAT_BA)
2671 {
2672 switch (act)
2673 {
2674 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2675 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2676 status = args[1];
2677 baparamset = args[2];
2678 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2679 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2680
2681 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2682 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2683 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2684
2685 if (status == IEEE80211_STATUS_SUCCESS)
2686 {
2687 RT2870_SOFTC_LOCK(sc);
2688
2689 rt2870_asic_add_ba_session(sc, wcid, tid);
2690
2691 RT2870_SOFTC_UNLOCK(sc);
2692 }
2693 break;
2694
2695 /* IEEE80211_ACTION_BA_DELBA */
2696 case IEEE80211_ACTION_BA_DELBA:
2697 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2698 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2699
2700 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2701 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2702 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2703
2704 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2705 {
2706 RT2870_SOFTC_LOCK(sc);
2707
2708 rt2870_asic_del_ba_session(sc, wcid, tid);
2709
2710 RT2870_SOFTC_UNLOCK(sc);
2711 }
2712 break;
2713 }
2714 }
2715
2716 return sc->send_action(ni, cat, act, sa);
2717
2718 }
2719
2720 /*
2721 * rt2870_addba_response
2722 */
2723 static int rt2870_addba_response(struct ieee80211_node *ni,
2724 struct ieee80211_tx_ampdu *tap,
2725 int status, int baparamset, int batimeout)
2726 {
2727 struct rt2870_softc *sc;
2728 struct ieee80211com *ic;
2729 struct ifnet *ifp;
2730 struct rt2870_softc_node *rni;
2731 ieee80211_seq seqno;
2732 int ret, tid, old_bufsize, new_bufsize;
2733
2734 ic = ni->ni_ic;
2735 ifp = ic->ic_ifp;
2736 sc = ifp->if_softc;
2737 rni = (struct rt2870_softc_node *) ni;
2738
2739 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2740 old_bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2741 new_bufsize = old_bufsize;
2742
2743 if (status == IEEE80211_STATUS_SUCCESS)
2744 {
2745 if (sc->mac_rev >= 0x28830300)
2746 {
2747 if (sc->mac_rev >= 0x30700200)
2748 new_bufsize = 13;
2749 else
2750 new_bufsize = 31;
2751 }
2752 else if (sc->mac_rev >= 0x28720200)
2753 {
2754 new_bufsize = 13;
2755 }
2756 else
2757 {
2758 new_bufsize = 7;
2759 }
2760
2761 if (old_bufsize > new_bufsize)
2762 {
2763 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2764 baparamset = RT2870_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
2765 }
2766
2767 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2768 {
2769 sc->tx_ampdu_sessions++;
2770
2771 if (sc->tx_ampdu_sessions == 1)
2772 {
2773 RT2870_SOFTC_LOCK(sc);
2774
2775 rt2870_asic_updateprot(sc);
2776
2777 RT2870_SOFTC_UNLOCK(sc);
2778 }
2779 }
2780 }
2781
2782 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2783 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
2784 "old bufsize=%d, new bufsize=%d\n",
2785 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
2786 old_bufsize, new_bufsize);
2787
2788 ret = sc->addba_response(ni, tap, status, baparamset, batimeout);
2789
2790 if (status == IEEE80211_STATUS_SUCCESS)
2791 {
2792 seqno = ni->ni_txseqs[tid];
2793
2794 rt2870_send_bar(ni, tap, seqno);
2795 }
2796
2797 return ret;
2798 }
2799
2800 /*
2801 * rt2870_addba_stop
2802 */
2803 static void rt2870_addba_stop(struct ieee80211_node *ni,
2804 struct ieee80211_tx_ampdu *tap)
2805 {
2806 struct rt2870_softc *sc;
2807 struct ieee80211com *ic;
2808 struct ifnet *ifp;
2809 struct rt2870_softc_node *rni;
2810 int tid;
2811
2812 ic = ni->ni_ic;
2813 ifp = ic->ic_ifp;
2814 sc = ifp->if_softc;
2815 rni = (struct rt2870_softc_node *) ni;
2816
2817 tid = WME_AC_TO_TID(tap->txa_ac);
2818
2819 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2820 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2821 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2822
2823 if (tap->txa_flags & IEEE80211_AGGR_RUNNING)
2824 {
2825 if (sc->tx_ampdu_sessions > 0)
2826 {
2827 sc->tx_ampdu_sessions--;
2828
2829 if (sc->tx_ampdu_sessions == 0)
2830 {
2831 RT2870_SOFTC_LOCK(sc);
2832
2833 rt2870_asic_updateprot(sc);
2834
2835 RT2870_SOFTC_UNLOCK(sc);
2836 }
2837 }
2838 else
2839 {
2840 printf("%s: number of A-MPDU Tx sessions cannot be negative\n",
2841 device_get_nameunit(sc->dev));
2842 }
2843 }
2844
2845 sc->addba_stop(ni, tap);
2846 }
2847
2848 /*
2849 * rt2870_ampdu_rx_start
2850 */
2851 static int rt2870_ampdu_rx_start(struct ieee80211_node *ni,
2852 struct ieee80211_rx_ampdu *rap,
2853 int baparamset, int batimeout, int baseqctl)
2854 {
2855 struct rt2870_softc *sc;
2856 struct ieee80211com *ic;
2857 struct ifnet *ifp;
2858 struct rt2870_softc_node *rni;
2859 int tid;
2860
2861 ic = ni->ni_ic;
2862 ifp = ic->ic_ifp;
2863 sc = ifp->if_softc;
2864 rni = (struct rt2870_softc_node *) ni;
2865
2866 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2867
2868 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2869 "%s: starting A-MPDU Rx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2870 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2871
2872 if (!(rap->rxa_flags & IEEE80211_AGGR_RUNNING))
2873 sc->rx_ampdu_sessions++;
2874
2875 return sc->ampdu_rx_start(ni, rap, baparamset, batimeout, baseqctl);
2876 }
2877
2878 /*
2879 * rt2870_ampdu_rx_stop
2880 */
2881 static void rt2870_ampdu_rx_stop(struct ieee80211_node *ni,
2882 struct ieee80211_rx_ampdu *rap)
2883 {
2884 struct rt2870_softc *sc;
2885 struct ieee80211com *ic;
2886 struct ifnet *ifp;
2887 struct rt2870_softc_node *rni;
2888
2889 ic = ni->ni_ic;
2890 ifp = ic->ic_ifp;
2891 sc = ifp->if_softc;
2892 rni = (struct rt2870_softc_node *) ni;
2893
2894 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2895 "%s: stopping A-MPDU Rx: associd=0x%04x, staid=0x%02x\n",
2896 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid);
2897
2898 if (rap->rxa_flags & IEEE80211_AGGR_RUNNING)
2899 {
2900 if (sc->rx_ampdu_sessions > 0)
2901 sc->rx_ampdu_sessions--;
2902 else
2903 printf("%s: number of A-MPDU Rx sessions cannot be negative\n",
2904 device_get_nameunit(sc->dev));
2905 }
2906
2907 sc->ampdu_rx_stop(ni, rap);
2908 }
2909
2910 /*
2911 * rt2870_send_bar
2912 */
2913 static int rt2870_send_bar(struct ieee80211_node *ni,
2914 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
2915 {
2916 struct rt2870_softc *sc;
2917 struct ieee80211com *ic;
2918 struct ifnet *ifp;
2919 struct ieee80211vap *vap;
2920 struct ieee80211_frame_bar *bar;
2921 struct rt2870_softc_node *rni;
2922 struct mbuf *m;
2923 uint16_t barctl, barseqctl;
2924 uint8_t *frm;
2925 int ret, tid;
2926
2927 ic = ni->ni_ic;
2928 ifp = ic->ic_ifp;
2929 sc = ifp->if_softc;
2930 vap = ni->ni_vap;
2931 rni = (struct rt2870_softc_node *) ni;
2932
2933 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2934 return EINVAL;
2935
2936 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
2937 if (m == NULL)
2938 return ENOMEM;
2939
2940 bar = mtod(m, struct ieee80211_frame_bar *);
2941
2942 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
2943 bar->i_fc[1] = 0;
2944
2945 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
2946 IEEE80211_ADDR_COPY(bar->i_ta, vap->iv_myaddr);
2947
2948 tid = WME_AC_TO_TID(tap->txa_ac);
2949
2950 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
2951 IEEE80211_BAR_COMP |
2952 RT2870_SM(tid, IEEE80211_BAR_TID);
2953 barseqctl = RT2870_SM(seqno, IEEE80211_BAR_SEQ_START);
2954
2955 bar->i_ctl = htole16(barctl);
2956 bar->i_seq = htole16(barseqctl);
2957
2958 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
2959
2960 tap->txa_start = seqno;
2961
2962 ieee80211_ref_node(ni);
2963
2964 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2965 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
2966 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
2967
2968 ret = ic->ic_raw_xmit(ni, m, NULL);
2969 if (ret != 0)
2970 ieee80211_free_node(ni);
2971
2972 return ret;
2973 }
2974
2975 /*
2976 * rt2870_amrr_update_iter_func
2977 */
2978 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2979 {
2980 struct rt2870_softc *sc;
2981 struct ieee80211com *ic;
2982 struct ifnet *ifp;
2983 struct ieee80211vap *vap;
2984 struct rt2870_softc_vap *rvap;
2985 struct rt2870_softc_node *rni;
2986 uint8_t wcid;
2987
2988 vap = arg;
2989 ic = vap->iv_ic;
2990 ifp = ic->ic_ifp;
2991 sc = ifp->if_softc;
2992 rvap = (struct rt2870_softc_vap *) vap;
2993 rni = (struct rt2870_softc_node *) ni;
2994
2995 /* only associated stations */
2996
2997 if ((ni->ni_vap == vap) && (rni->staid != 0))
2998 {
2999 wcid = rni->staid;
3000
3001 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
3002 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
3003 device_get_nameunit(sc->dev),
3004 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
3005
3006 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
3007
3008 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
3009 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
3010 device_get_nameunit(sc->dev),
3011 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
3012 ni->ni_associd, rni->staid, ni->ni_txrate,
3013 (ni->ni_flags & IEEE80211_NODE_HT) ?
3014 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
3015 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
3016 }
3017 }
3018
3019 /*
3020 * rt2870_periodic
3021 */
3022 static void rt2870_periodic(void *arg)
3023 {
3024 struct rt2870_softc *sc;
3025 struct ifnet *ifp;
3026
3027 sc = arg;
3028 ifp = sc->ifp;
3029
3030 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
3031 "%s: periodic\n",
3032 device_get_nameunit(sc->dev));
3033
3034 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
3035 return;
3036
3037 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
3038 }
3039
3040 /*
3041 * rt2870_tx_watchdog
3042 */
3043 static void rt2870_tx_watchdog(void *arg)
3044 {
3045 struct rt2870_softc *sc;
3046 struct ifnet *ifp;
3047
3048 sc = arg;
3049 ifp = sc->ifp;
3050
3051 if (sc->tx_timer == 0)
3052 return;
3053
3054 if (--sc->tx_timer == 0)
3055 {
3056 printf("%s: Tx watchdog timeout: resetting\n",
3057 device_get_nameunit(sc->dev));
3058
3059 rt2870_stop_locked(sc);
3060 rt2870_init_locked(sc);
3061
3062 ifp->if_oerrors++;
3063
3064 sc->tx_watchdog_timeouts++;
3065 }
3066
3067 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
3068 }
3069
3070 /*
3071 * rt2870_staid_alloc
3072 */
3073 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid)
3074 {
3075 int staid;
3076
3077 if ((aid > 0 && aid < RT2870_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
3078 {
3079 staid = aid;
3080 }
3081 else
3082 {
3083 for (staid = 1; staid < RT2870_SOFTC_STAID_COUNT; staid++)
3084 {
3085 if (isclr(sc->staid_mask, staid))
3086 break;
3087 }
3088 }
3089
3090 setbit(sc->staid_mask, staid);
3091
3092 return staid;
3093 }
3094
3095 /*
3096 * rt2870_staid_delete
3097 */
3098 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid)
3099 {
3100 clrbit(sc->staid_mask, staid);
3101 }
3102
3103
3104 /*
3105 * rt2870_do_async
3106 */
3107 static int rt2870_do_async(struct rt2870_softc *sc,
3108 void (*cb)(struct rt2870_softc *sc, void *arg),
3109 void *arg, int len)
3110 {
3111 struct ifnet *ifp;
3112 struct rt2870_softc_cmd_ring *ring;
3113 struct rt2870_softc_cmd *cmd;
3114 int run_cmd_task;
3115
3116 ifp = sc->ifp;
3117 ring = &sc->cmd_ring;
3118
3119 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
3120 return -1;
3121
3122 RT2870_SOFTC_LOCK(sc);
3123
3124 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
3125 {
3126 RT2870_SOFTC_UNLOCK(sc);
3127 return -1;
3128 }
3129
3130 cmd = STAILQ_FIRST(&ring->inactive);
3131 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3132
3133 cmd->cb = cb;
3134
3135 if(arg != NULL)
3136 memcpy(cmd->data, arg, len);
3137
3138 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
3139 ring->queued++;
3140
3141 run_cmd_task = (ring->queued == 1);
3142
3143 RT2870_SOFTC_UNLOCK(sc);
3144
3145 if (run_cmd_task)
3146 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
3147
3148 return 0;
3149 }
3150
3151 /*
3152 * rt2870_node_cleanup_cb
3153 */
3154 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg)
3155 {
3156 struct ifnet *ifp;
3157 struct ieee80211com *ic;
3158 struct rt2870_cmd_argv_nodecleanup *cmd_argv;
3159 uint8_t staid, vapid, wcid;
3160 uint32_t tmp;
3161
3162 ifp = sc->ifp;
3163 ic = ifp->if_l2com;
3164 cmd_argv = arg;
3165 staid = cmd_argv->staid;
3166
3167 vapid = 0;
3168 wcid = staid;
3169
3170 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3171 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3172
3173 RT2870_SOFTC_LOCK(sc);
3174
3175 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3176
3177 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), 0x00000000);
3178 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, 0x00000000);
3179
3180 rt2870_staid_delete(sc, staid);
3181
3182 RT2870_SOFTC_UNLOCK(sc);
3183 }
3184
3185 /*
3186 * rt2870_updateslot_cb
3187 */
3188 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
3189 {
3190 RT2870_SOFTC_LOCK(sc);
3191
3192 rt2870_asic_updateslot(sc);
3193
3194 RT2870_SOFTC_UNLOCK(sc);
3195 }
3196
3197 /*
3198 * rt2870_wme_update_cb
3199 */
3200 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
3201 {
3202 RT2870_SOFTC_LOCK(sc);
3203
3204 rt2870_asic_wme_update(sc);
3205
3206 RT2870_SOFTC_UNLOCK(sc);
3207 }
3208
3209 /*
3210 * rt2870_vap_key_set_cb
3211 */
3212 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
3213 {
3214 struct ieee80211com *ic;
3215 struct ifnet *ifp;
3216 struct ieee80211_key *k;
3217 enum ieee80211_opmode opmode;
3218 struct rt2870_cmd_argv_keyset *cmd_argv;
3219 uint16_t key_base, keymode_base;
3220 uint8_t mode, vapid, wcid, iv[8];
3221 uint32_t tmp;
3222
3223 ifp = sc->ifp;
3224 ic = ifp->if_l2com;
3225 cmd_argv = arg;
3226 k = &cmd_argv->key;
3227 opmode = cmd_argv->opmode;
3228
3229 switch (k->wk_cipher->ic_cipher)
3230 {
3231 case IEEE80211_CIPHER_WEP:
3232 if(k->wk_keylen < 8)
3233 mode = RT2870_REG_CIPHER_MODE_WEP40;
3234 else
3235 mode = RT2870_REG_CIPHER_MODE_WEP104;
3236 break;
3237
3238 case IEEE80211_CIPHER_TKIP:
3239 mode = RT2870_REG_CIPHER_MODE_TKIP;
3240 break;
3241
3242 case IEEE80211_CIPHER_AES_CCM:
3243 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
3244 break;
3245
3246 default:
3247 return;
3248 }
3249
3250 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3251 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
3252 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3253 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3254
3255 RT2870_SOFTC_LOCK(sc);
3256
3257 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
3258 {
3259 /* install pairwise key */
3260
3261 vapid = 0;
3262 wcid = cmd_argv->staid;
3263 key_base = RT2870_REG_PKEY(wcid);
3264
3265 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3266 {
3267 memset(iv, 0, 8);
3268
3269 iv[3] = (k->wk_keyix << 6);
3270 }
3271 else
3272 {
3273 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3274 {
3275 iv[0] = (k->wk_keytsc >> 8);
3276 iv[1] = ((iv[0] | 0x20) & 0x7f);
3277 iv[2] = k->wk_keytsc;
3278 }
3279 else
3280 {
3281 /* AES CCMP */
3282
3283 iv[0] = k->wk_keytsc;
3284 iv[1] = k->wk_keytsc >> 8;
3285 iv[2] = 0;
3286 }
3287
3288 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3289 iv[4] = (k->wk_keytsc >> 16);
3290 iv[5] = (k->wk_keytsc >> 24);
3291 iv[6] = (k->wk_keytsc >> 32);
3292 iv[7] = (k->wk_keytsc >> 40);
3293
3294 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3295 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3296 device_get_nameunit(sc->dev),
3297 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3298 }
3299
3300 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3301
3302 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3303 {
3304 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3305
3306 if (opmode != IEEE80211_M_HOSTAP)
3307 {
3308 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3309 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3310 }
3311 else
3312 {
3313 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3314 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3315 }
3316 }
3317 else
3318 {
3319 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3320 }
3321
3322 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3323 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3324
3325 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3326 }
3327
3328 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
3329 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
3330 {
3331 /* install group key */
3332
3333 vapid = 0;
3334 wcid = RT2870_WCID_MCAST;
3335 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
3336 keymode_base = RT2870_REG_SKEY_MODE(vapid);
3337
3338 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3339 {
3340 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3341
3342 if (opmode != IEEE80211_M_HOSTAP)
3343 {
3344 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3345 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3346 }
3347 else
3348 {
3349 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3350 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3351 }
3352 }
3353 else
3354 {
3355 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3356 }
3357
3358 tmp = rt2870_io_mac_read(sc, keymode_base);
3359
3360 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3361 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3362
3363 rt2870_io_mac_write(sc, keymode_base, tmp);
3364
3365 if (opmode == IEEE80211_M_HOSTAP)
3366 {
3367 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3368 {
3369 memset(iv, 0, 8);
3370
3371 iv[3] = (k->wk_keyix << 6);
3372 }
3373 else
3374 {
3375 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3376 {
3377 iv[0] = (k->wk_keytsc >> 8);
3378 iv[1] = ((iv[0] | 0x20) & 0x7f);
3379 iv[2] = k->wk_keytsc;
3380 }
3381 else
3382 {
3383 /* AES CCMP */
3384
3385 iv[0] = k->wk_keytsc;
3386 iv[1] = k->wk_keytsc >> 8;
3387 iv[2] = 0;
3388 }
3389
3390 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3391 iv[4] = (k->wk_keytsc >> 16);
3392 iv[5] = (k->wk_keytsc >> 24);
3393 iv[6] = (k->wk_keytsc >> 32);
3394 iv[7] = (k->wk_keytsc >> 40);
3395
3396 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3397 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3398 device_get_nameunit(sc->dev),
3399 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3400 }
3401
3402 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3403
3404 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3405 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
3406
3407 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3408 }
3409 }
3410
3411 RT2870_SOFTC_UNLOCK(sc);
3412 }
3413
3414 /*
3415 * rt2870_vap_key_delete_cb
3416 */
3417 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
3418 {
3419 struct ieee80211com *ic;
3420 struct ifnet *ifp;
3421 struct ieee80211_key *k;
3422 enum ieee80211_opmode opmode;
3423 struct rt2870_cmd_argv_keydelete *cmd_argv;
3424 uint8_t vapid, wcid;
3425 uint32_t tmp;
3426
3427 ifp = sc->ifp;
3428 ic = ifp->if_l2com;
3429 cmd_argv = arg;
3430 k = &cmd_argv->key;
3431 opmode = cmd_argv->opmode;
3432
3433 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3434 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
3435 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3436 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3437
3438 RT2870_SOFTC_LOCK(sc);
3439
3440 if (k->wk_flags & IEEE80211_KEY_GROUP)
3441 {
3442 /* remove group key */
3443
3444 vapid = 0;
3445 wcid = RT2870_WCID_MCAST;
3446
3447 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
3448
3449 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3450 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3451
3452 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
3453
3454 if (opmode == IEEE80211_M_HOSTAP)
3455 {
3456 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3457 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
3458
3459 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3460 }
3461 }
3462
3463 RT2870_SOFTC_UNLOCK(sc);
3464 }
3465
3466 /*
3467 * rt2870_vap_update_beacon_cb
3468 */
3469 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
3470 {
3471 struct ifnet *ifp;
3472 struct ieee80211com *ic;
3473 struct ieee80211vap *vap;
3474
3475 ifp = sc->ifp;
3476 ic = ifp->if_l2com;
3477 vap = TAILQ_FIRST(&ic->ic_vaps);
3478
3479 if (vap == NULL)
3480 return;
3481
3482 RT2870_SOFTC_LOCK(sc);
3483
3484 rt2870_asic_update_beacon(sc, vap);
3485
3486 RT2870_SOFTC_UNLOCK(sc);
3487 }
3488
3489 /*
3490 * rt2870_asic_set_bssid
3491 */
3492 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3493 const uint8_t *bssid)
3494 {
3495 uint32_t tmp;
3496
3497 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3498 "%s: set bssid: bssid=%s\n",
3499 device_get_nameunit(sc->dev),
3500 ether_sprintf(bssid));
3501
3502 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3503
3504 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3505
3506 tmp = bssid[4] | (bssid[5] << 8);
3507
3508 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3509 }
3510
3511 /*
3512 * rt2870_asic_set_macaddr
3513 */
3514 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3515 const uint8_t *addr)
3516 {
3517 uint32_t tmp;
3518
3519 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3520
3521 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3522
3523 tmp = addr[4] | (addr[5] << 8) | (0xff << 16);
3524
3525 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3526 }
3527
3528 /*
3529 * rt2870_asic_enable_tsf_sync
3530 */
3531 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3532 {
3533 struct ifnet *ifp;
3534 struct ieee80211com *ic;
3535 struct ieee80211vap *vap;
3536 uint32_t tmp;
3537
3538 ifp = sc->ifp;
3539 ic = ifp->if_l2com;
3540 vap = TAILQ_FIRST(&ic->ic_vaps);
3541
3542 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3543 "%s: enabling TSF\n",
3544 device_get_nameunit(sc->dev));
3545
3546 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3547
3548 tmp &= ~0x1fffff;
3549 tmp |= vap->iv_bss->ni_intval * 16;
3550 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3551
3552 if (vap->iv_opmode == IEEE80211_M_STA)
3553 {
3554 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3555 }
3556 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3557 {
3558 tmp |= RT2870_REG_BCN_TX_ENABLE;
3559 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3560 }
3561 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3562 {
3563 tmp |= RT2870_REG_BCN_TX_ENABLE;
3564 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3565 }
3566
3567 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3568 }
3569
3570 /*
3571 * rt2870_asic_disable_tsf_sync
3572 */
3573 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3574 {
3575 uint32_t tmp;
3576
3577 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3578 "%s: disabling TSF\n",
3579 device_get_nameunit(sc->dev));
3580
3581 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3582
3583 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3584 RT2870_REG_TSF_TIMER_ENABLE |
3585 RT2870_REG_TBTT_TIMER_ENABLE);
3586
3587 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3588 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3589
3590 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3591 }
3592
3593 /*
3594 * rt2870_asic_enable_mrr
3595 */
3596 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3597 {
3598 #define CCK(mcs) (mcs)
3599 #define OFDM(mcs) ((1 << 3) | (mcs))
3600 #define HT(mcs) (mcs)
3601
3602 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3603 (OFDM(6) << 28) | /* 54 -> 48 */
3604 (OFDM(5) << 24) | /* 48 -> 36 */
3605 (OFDM(4) << 20) | /* 36 -> 24 */
3606 (OFDM(3) << 16) | /* 24 -> 18 */
3607 (OFDM(2) << 12) | /* 18 -> 12 */
3608 (OFDM(1) << 8) | /* 12 -> 9 */
3609 (OFDM(0) << 4) | /* 9 -> 6 */
3610 OFDM(0)); /* 6 -> 6 */
3611
3612 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3613 (CCK(2) << 12) | /* 11 -> 5.5 */
3614 (CCK(1) << 8) | /* 5.5 -> 2 */
3615 (CCK(0) << 4) | /* 2 -> 1 */
3616 CCK(0)); /* 1 -> 1 */
3617
3618 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3619 (HT(6) << 28) |
3620 (HT(5) << 24) |
3621 (HT(4) << 20) |
3622 (HT(3) << 16) |
3623 (HT(2) << 12) |
3624 (HT(1) << 8) |
3625 (HT(0) << 4) |
3626 HT(0));
3627
3628 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3629 (HT(14) << 28) |
3630 (HT(13) << 24) |
3631 (HT(12) << 20) |
3632 (HT(11) << 16) |
3633 (HT(10) << 12) |
3634 (HT(9) << 8) |
3635 (HT(8) << 4) |
3636 HT(7));
3637
3638 #undef HT
3639 #undef OFDM
3640 #undef CCK
3641 }
3642
3643 /*
3644 * rt2870_asic_set_txpreamble
3645 */
3646 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3647 {
3648 struct ifnet *ifp;
3649 struct ieee80211com *ic;
3650 uint32_t tmp;
3651
3652 ifp = sc->ifp;
3653 ic = ifp->if_l2com;
3654
3655 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3656 "%s: %s short Tx preamble\n",
3657 device_get_nameunit(sc->dev),
3658 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3659
3660 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3661
3662 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3663
3664 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3665 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3666
3667 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3668 }
3669
3670 /*
3671 * rt2870_asic_set_basicrates
3672 */
3673 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3674 {
3675 struct ifnet *ifp;
3676 struct ieee80211com *ic;
3677
3678 ifp = sc->ifp;
3679 ic = ifp->if_l2com;
3680
3681 if (ic->ic_curmode == IEEE80211_MODE_11B)
3682 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0xf);
3683 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3684 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3685 else
3686 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3687 }
3688
3689 /*
3690 * rt2870_asic_update_rtsthreshold
3691 */
3692 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3693 {
3694 struct ifnet *ifp;
3695 struct ieee80211com *ic;
3696 struct ieee80211vap *vap;
3697 uint32_t tmp;
3698 uint16_t threshold;
3699
3700 ifp = sc->ifp;
3701 ic = ifp->if_l2com;
3702 vap = TAILQ_FIRST(&ic->ic_vaps);
3703
3704 if (vap == NULL)
3705 threshold = IEEE80211_RTS_MAX;
3706 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3707 threshold = 0x1000;
3708 else
3709 threshold = vap->iv_rtsthreshold;
3710
3711 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3712 "%s: updating RTS threshold: %d\n",
3713 device_get_nameunit(sc->dev), threshold);
3714
3715 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3716
3717 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3718
3719 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3720 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3721
3722 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3723 }
3724
3725 /*
3726 * rt2870_asic_update_txpower
3727 */
3728 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3729 {
3730 struct ifnet *ifp;
3731 struct ieee80211com *ic;
3732 uint32_t *txpow_rate;
3733 int8_t delta;
3734 uint8_t val;
3735 uint32_t tmp;
3736 int i;
3737
3738 ifp = sc->ifp;
3739 ic = ifp->if_l2com;
3740
3741 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3742 "%s: updating Tx power: %d\n",
3743 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3744
3745 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3746 {
3747 txpow_rate = sc->txpow_rate_20mhz;
3748 }
3749 else
3750 {
3751 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3752 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3753 else
3754 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3755 }
3756
3757 delta = 0;
3758
3759 val = rt2870_io_bbp_read(sc, 1);
3760 val &= 0xfc;
3761
3762 if (ic->ic_txpowlimit > 90)
3763 {
3764 /* do nothing */
3765 }
3766 else if (ic->ic_txpowlimit > 60)
3767 {
3768 delta -= 1;
3769 }
3770 else if (ic->ic_txpowlimit > 30)
3771 {
3772 delta -= 3;
3773 }
3774 else if (ic->ic_txpowlimit > 15)
3775 {
3776 val |= 0x1;
3777 }
3778 else if (ic->ic_txpowlimit > 9)
3779 {
3780 val |= 0x1;
3781 delta -= 3;
3782 }
3783 else
3784 {
3785 val |= 0x2;
3786 }
3787
3788 rt2870_io_bbp_write(sc, 1, val);
3789
3790 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3791 {
3792 if (txpow_rate[i] == 0xffffffff)
3793 continue;
3794
3795 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3796
3797 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3798 }
3799 }
3800
3801 /*
3802 * rt2870_asic_update_promisc
3803 */
3804 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3805 {
3806 struct ifnet *ifp;
3807 uint32_t tmp;
3808
3809 ifp = sc->ifp;
3810
3811 printf("%s: %s promiscuous mode\n",
3812 device_get_nameunit(sc->dev),
3813 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3814
3815 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3816
3817 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3818
3819 if (!(ifp->if_flags & IFF_PROMISC))
3820 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3821
3822 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3823 }
3824
3825 /*
3826 * rt2870_asic_updateprot
3827 */
3828 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3829 {
3830 struct ifnet *ifp;
3831 struct ieee80211com *ic;
3832 struct ieee80211vap *vap;
3833 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3834 uint8_t htopmode;
3835 enum ieee80211_protmode htprotmode;
3836
3837 ifp = sc->ifp;
3838 ic = ifp->if_l2com;
3839 vap = TAILQ_FIRST(&ic->ic_vaps);
3840
3841 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
3842 return;
3843
3844 /* CCK frame protection */
3845
3846 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3847 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3848
3849 /* set up protection frame phy mode and rate (MCS code) */
3850
3851 if (ic->ic_curmode == IEEE80211_MODE_11A)
3852 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3853 (0 << RT2870_REG_PROT_MCS_SHIFT);
3854 else
3855 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3856 (3 << RT2870_REG_PROT_MCS_SHIFT));
3857
3858 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3859
3860 /* OFDM frame protection */
3861
3862 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3863 RT2870_REG_TXOP_ALLOW_ALL;
3864
3865 if (ic->ic_flags & IEEE80211_F_USEPROT)
3866 {
3867 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3868 "%s: updating protection mode: b/g protection mode=%s\n",
3869 device_get_nameunit(sc->dev),
3870 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3871 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3872
3873 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3874 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3875 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3876 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3877 else
3878 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3879 }
3880 else
3881 {
3882 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3883 "%s: updating protection mode: b/g protection mode=%s\n",
3884 device_get_nameunit(sc->dev), "none");
3885
3886 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3887 }
3888
3889 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3890
3891 /* HT frame protection */
3892
3893 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3894 htopmode = vap->iv_bss->ni_htopmode;
3895 else
3896 htopmode = ic->ic_curhtprotmode;
3897
3898 htprotmode = ic->ic_htprotmode;
3899
3900 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3901
3902 if (sc->tx_ampdu_sessions > 0)
3903 {
3904 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3905 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3906 device_get_nameunit(sc->dev));
3907
3908 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3909 htprotmode = IEEE80211_PROT_RTSCTS;
3910 }
3911
3912 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3913 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3914 device_get_nameunit(sc->dev),
3915 htopmode & IEEE80211_HTINFO_OPMODE,
3916 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3917 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3918
3919 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3920 {
3921 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3922 case IEEE80211_HTINFO_OPMODE_HT20PR:
3923 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3924 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3925 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3926 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3927 (4 << RT2870_REG_PROT_MCS_SHIFT);
3928
3929 gf20_prot = mm20_prot;
3930
3931 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3932 RT2870_REG_TXOP_ALLOW_ALL |
3933 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3934 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3935
3936 if (htprotmode == IEEE80211_PROT_RTSCTS)
3937 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3938 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3939 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3940 else
3941 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3942
3943 gf40_prot = mm40_prot;
3944 break;
3945
3946 /* IEEE80211_HTINFO_OPMODE_MIXED */
3947 case IEEE80211_HTINFO_OPMODE_MIXED:
3948 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3949 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3950 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3951
3952 if (ic->ic_flags & IEEE80211_F_USEPROT)
3953 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3954 (3 << RT2870_REG_PROT_MCS_SHIFT);
3955 else
3956 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3957 (4 << RT2870_REG_PROT_MCS_SHIFT);
3958
3959 if (htprotmode == IEEE80211_PROT_RTSCTS)
3960 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3961 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3962 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3963 else
3964 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3965
3966 gf20_prot = mm20_prot;
3967
3968 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3969
3970 if (ic->ic_flags & IEEE80211_F_USEPROT)
3971 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3972 (3 << RT2870_REG_PROT_MCS_SHIFT);
3973 else
3974 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3975 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3976
3977 if (htprotmode == IEEE80211_PROT_RTSCTS)
3978 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3979 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3980 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3981 else
3982 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3983
3984 gf40_prot = mm40_prot;
3985 break;
3986
3987 /*
3988 * IEEE80211_HTINFO_OPMODE_PURE
3989 * IEEE80211_HTINFO_OPMODE_PROTOPT
3990 */
3991 case IEEE80211_HTINFO_OPMODE_PURE:
3992 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3993 default:
3994 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3995 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3996 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3997 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3998 (4 << RT2870_REG_PROT_MCS_SHIFT);
3999
4000 gf20_prot = mm20_prot;
4001
4002 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
4003 RT2870_REG_TXOP_ALLOW_ALL |
4004 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
4005 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
4006
4007 gf40_prot = mm40_prot;
4008 break;
4009 }
4010
4011 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
4012 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
4013 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
4014 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
4015 }
4016
4017 /*
4018 * rt2870_asic_updateslot
4019 */
4020 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
4021 {
4022 struct ifnet *ifp;
4023 struct ieee80211com *ic;
4024 struct ieee80211vap *vap;
4025 uint32_t tmp;
4026
4027 ifp = sc->ifp;
4028 ic = ifp->if_l2com;
4029 vap = TAILQ_FIRST(&ic->ic_vaps);
4030
4031 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
4032 "%s: %s short slot time\n",
4033 device_get_nameunit(sc->dev),
4034 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
4035 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
4036
4037 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
4038
4039 tmp &= ~0xff;
4040
4041 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
4042 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
4043 tmp |= IEEE80211_DUR_SHSLOT;
4044 else
4045 tmp |= IEEE80211_DUR_SLOT;
4046
4047 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
4048 }
4049
4050 /*
4051 * rt2870_asic_wme_update
4052 */
4053 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
4054 {
4055 struct ifnet *ifp;
4056 struct ieee80211com *ic;
4057 struct ieee80211_wme_state *wme;
4058 const struct wmeParams *wmep;
4059 int i;
4060
4061 ifp = sc->ifp;
4062 ic = ifp->if_l2com;
4063 wme = &ic->ic_wme;
4064 wmep = wme->wme_chanParams.cap_wmeParams;
4065
4066 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
4067 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
4068 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
4069 device_get_nameunit(sc->dev),
4070 wmep[WME_AC_VO].wmep_aifsn,
4071 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
4072 wmep[WME_AC_VO].wmep_txopLimit,
4073 wmep[WME_AC_VI].wmep_aifsn,
4074 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
4075 wmep[WME_AC_VI].wmep_txopLimit,
4076 wmep[WME_AC_BK].wmep_aifsn,
4077 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
4078 wmep[WME_AC_BK].wmep_txopLimit,
4079 wmep[WME_AC_BE].wmep_aifsn,
4080 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
4081 wmep[WME_AC_BE].wmep_txopLimit);
4082
4083 for (i = 0; i < WME_NUM_AC; i++)
4084 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
4085 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
4086 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
4087
4088 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
4089 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
4090 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
4091
4092 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
4093 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
4094 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
4095
4096 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
4097 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
4098 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
4099
4100 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
4101 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
4102
4103 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
4104 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
4105 }
4106
4107 /*
4108 * rt2870_asic_update_beacon
4109 */
4110 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
4111 struct ieee80211vap *vap)
4112 {
4113 struct rt2870_softc_vap *rvap;
4114 struct mbuf *m;
4115 struct rt2870_txwi *txwi;
4116 uint32_t tmp;
4117
4118 rvap = (struct rt2870_softc_vap *) vap;
4119
4120 m = rvap->beacon_mbuf;
4121 txwi = &rvap->beacon_txwi;
4122
4123 /* disable temporarily TSF sync */
4124
4125 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
4126
4127 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
4128 RT2870_REG_TSF_TIMER_ENABLE |
4129 RT2870_REG_TBTT_TIMER_ENABLE);
4130
4131 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
4132
4133 /* write Tx wireless info and beacon frame to on-chip memory */
4134
4135 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
4136 txwi, sizeof(struct rt2870_txwi));
4137
4138 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
4139 mtod(m, uint8_t *), m->m_pkthdr.len);
4140
4141 /* enable again TSF sync */
4142
4143 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
4144
4145 tmp |= (RT2870_REG_BCN_TX_ENABLE |
4146 RT2870_REG_TSF_TIMER_ENABLE |
4147 RT2870_REG_TBTT_TIMER_ENABLE);
4148
4149 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
4150 }
4151
4152 /*
4153 * rt2870_asic_clear_keytables
4154 */
4155 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
4156 {
4157 int i;
4158
4159 /* clear Rx WCID search table (entries = 256, entry size = 8) */
4160
4161 for (i = 0; i < 256; i++)
4162 {
4163 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
4164 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
4165 }
4166
4167 /* clear WCID attribute table (entries = 256, entry size = 4) */
4168
4169 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
4170
4171 /* clear IV/EIV table (entries = 256, entry size = 8) */
4172
4173 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
4174
4175 /* clear pairwise key table (entries = 256, entry size = 32) */
4176
4177 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
4178
4179 /* clear shared key table (entries = 32, entry size = 32) */
4180
4181 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
4182
4183 /* clear shared key mode (entries = 32, entry size = 2) */
4184
4185 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
4186 }
4187
4188 /*
4189 * rt2870_asic_add_ba_session
4190 */
4191 static void rt2870_asic_add_ba_session(struct rt2870_softc *sc,
4192 uint8_t wcid, int tid)
4193 {
4194 uint32_t tmp;
4195
4196 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
4197
4198 tmp |= (0x10000 << tid);
4199
4200 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
4201 }
4202
4203 /*
4204 * rt2860_asic_del_ba_session
4205 */
4206 static void rt2870_asic_del_ba_session(struct rt2870_softc *sc,
4207 uint8_t wcid, int tid)
4208 {
4209 uint32_t tmp;
4210
4211 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
4212
4213 tmp &= ~(0x10000 << tid);
4214
4215 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
4216 }
4217
4218 /*
4219 * rt2870_beacon_alloc
4220 */
4221 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
4222 struct ieee80211vap *vap)
4223 {
4224 struct ieee80211com *ic;
4225 struct rt2870_softc_vap *rvap;
4226 struct mbuf *m;
4227 struct rt2870_txwi txwi;
4228 uint8_t rate, mcs;
4229
4230 ic = vap->iv_ic;
4231 rvap = (struct rt2870_softc_vap *) vap;
4232
4233 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
4234 if (m == NULL)
4235 return ENOMEM;
4236
4237 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
4238 mcs = rt2870_rate2mcs(rate);
4239
4240 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
4241 "%s: beacon allocate: mcs=0x%02x\n",
4242 device_get_nameunit(sc->dev), mcs);
4243
4244 memset(&txwi, 0, sizeof(struct rt2870_txwi));
4245
4246 txwi.wcid = RT2870_WCID_RESERVED;
4247 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4248 RT2870_TXWI_MPDU_LEN_SHIFT);
4249 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4250 txwi.mpdu_density_flags |=
4251 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4252 txwi.bawin_size_xflags |=
4253 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
4254
4255 if (rate == 2)
4256 {
4257 txwi.phymode_ifs_stbc_shortgi =
4258 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4259
4260 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4261 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4262 }
4263 else
4264 {
4265 txwi.phymode_ifs_stbc_shortgi =
4266 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4267 }
4268
4269 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4270 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4271
4272 if (rvap->beacon_mbuf != NULL)
4273 {
4274 m_free(rvap->beacon_mbuf);
4275 rvap->beacon_mbuf = NULL;
4276 }
4277
4278 rvap->beacon_mbuf = m;
4279 rvap->beacon_txwi = txwi;
4280
4281 return 0;
4282 }
4283
4284 /*
4285 * rt2870_rxrate
4286 */
4287 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
4288 {
4289 uint8_t mcs, phymode;
4290 uint8_t rate;
4291
4292 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
4293 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4294 RT2870_RXWI_PHYMODE_MASK;
4295
4296 rate = 2;
4297
4298 switch (phymode)
4299 {
4300 case RT2870_RXWI_PHYMODE_CCK:
4301 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
4302 {
4303 case 0: rate = 2; break; /* 1 Mbps */
4304 case 1: rate = 4; break; /* 2 MBps */
4305 case 2: rate = 11; break; /* 5.5 Mbps */
4306 case 3: rate = 22; break; /* 11 Mbps */
4307 }
4308 break;
4309
4310 case RT2870_RXWI_PHYMODE_OFDM:
4311 switch (mcs)
4312 {
4313 case 0: rate = 12; break; /* 6 Mbps */
4314 case 1: rate = 18; break; /* 9 Mbps */
4315 case 2: rate = 24; break; /* 12 Mbps */
4316 case 3: rate = 36; break; /* 18 Mbps */
4317 case 4: rate = 48; break; /* 24 Mbps */
4318 case 5: rate = 72; break; /* 36 Mbps */
4319 case 6: rate = 96; break; /* 48 Mbps */
4320 case 7: rate = 108; break; /* 54 Mbps */
4321 }
4322 break;
4323
4324 case RT2870_RXWI_PHYMODE_HT_MIXED:
4325 case RT2870_RXWI_PHYMODE_HT_GF:
4326 break;
4327 }
4328
4329 return rate;
4330 }
4331
4332 /*
4333 * rt2870_maxrssi_rxpath
4334 */
4335 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
4336 const struct rt2870_rxwi *rxwi)
4337 {
4338 uint8_t rxpath;
4339
4340 rxpath = 0;
4341
4342 if (sc->nrxpath > 1)
4343 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4344 rxpath = 1;
4345
4346 if (sc->nrxpath > 2)
4347 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4348 rxpath = 2;
4349
4350 return rxpath;
4351 }
4352
4353 /*
4354 * rt2870_rssi2dbm
4355 */
4356 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
4357 uint8_t rssi, uint8_t rxpath)
4358 {
4359 struct ifnet *ifp;
4360 struct ieee80211com *ic;
4361 struct ieee80211_channel *c;
4362 int chan;
4363 int8_t rssi_off, lna_gain;
4364
4365 if (rssi == 0)
4366 return -99;
4367
4368 ifp = sc->ifp;
4369 ic = ifp->if_l2com;
4370 c = ic->ic_curchan;
4371 chan = ieee80211_chan2ieee(ic, c);
4372
4373 if (IEEE80211_IS_CHAN_5GHZ(c))
4374 {
4375 rssi_off = sc->rssi_off_5ghz[rxpath];
4376
4377 if (chan <= 64)
4378 lna_gain = sc->lna_gain[1];
4379 else if (chan <= 128)
4380 lna_gain = sc->lna_gain[2];
4381 else
4382 lna_gain = sc->lna_gain[3];
4383 }
4384 else
4385 {
4386 rssi_off = sc->rssi_off_2ghz[rxpath];
4387 lna_gain = sc->lna_gain[0];
4388 }
4389
4390 return (-12 - rssi_off - lna_gain - rssi);
4391 }
4392
4393 /*
4394 * rt2870_rate2mcs
4395 */
4396 static uint8_t rt2870_rate2mcs(uint8_t rate)
4397 {
4398 switch (rate)
4399 {
4400 /* CCK rates */
4401 case 2: return 0;
4402 case 4: return 1;
4403 case 11: return 2;
4404 case 22: return 3;
4405
4406 /* OFDM rates */
4407 case 12: return 0;
4408 case 18: return 1;
4409 case 24: return 2;
4410 case 36: return 3;
4411 case 48: return 4;
4412 case 72: return 5;
4413 case 96: return 6;
4414 case 108: return 7;
4415 }
4416
4417 return 0;
4418 }
4419
4420 /*
4421 * rt2870_rx_frame
4422 */
4423 static void rt2870_rx_frame(struct rt2870_softc *sc,
4424 uint8_t *buf, uint32_t dmalen)
4425 {
4426 struct ifnet *ifp;
4427 struct ieee80211com *ic;
4428 struct ieee80211_frame *wh;
4429 struct ieee80211_node *ni;
4430 struct rt2870_softc_node *rni;
4431 struct rt2870_softc_rx_radiotap_header *tap;
4432 struct rt2870_rxwi *rxwi;
4433 struct rt2870_rxinfo *rxinfo;
4434 struct mbuf *m;
4435 uint32_t rxinfo_flags;
4436 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
4437 uint16_t seq;
4438 int8_t rssi_dbm;
4439 int len, ampdu, amsdu, rssi_dbm_rel, i;
4440
4441 ifp = sc->ifp;
4442 ic = ifp->if_l2com;
4443
4444 /* get Rx wireless info */
4445
4446 rxwi = (struct rt2870_rxwi *) buf;
4447 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
4448 RT2870_RXWI_SIZE_MASK;
4449
4450 if (len > dmalen)
4451 {
4452 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4453 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
4454 device_get_nameunit(sc->dev), dmalen, len);
4455 return;
4456 }
4457
4458 /* get Rx info */
4459
4460 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
4461 rxinfo_flags = le32toh(rxinfo->flags);
4462
4463 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4464 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
4465 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
4466
4467 /* check for crc errors */
4468
4469 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4470 {
4471 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4472 "%s: rxinfo: crc error\n",
4473 device_get_nameunit(sc->dev));
4474
4475 ifp->if_ierrors++;
4476
4477 if (!(ifp->if_flags & IFF_PROMISC))
4478 return;
4479 }
4480
4481 wh = (struct ieee80211_frame *) (rxwi + 1);
4482
4483 /* check for L2 padding between IEEE 802.11 frame header and body */
4484
4485 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
4486 {
4487 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4488 "%s: L2 padding: DMA len=%d, len=%d\n",
4489 device_get_nameunit(sc->dev), dmalen, len);
4490
4491 len += 2;
4492 }
4493
4494 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4495 if (m == NULL)
4496 {
4497 sc->rx_mbuf_alloc_errors++;
4498 ifp->if_ierrors++;
4499 return;
4500 }
4501
4502 m->m_pkthdr.rcvif = ifp;
4503 m->m_pkthdr.len = m->m_len = len;
4504
4505 m_copyback(m, 0, len, (caddr_t) wh);
4506
4507 wh = mtod(m, struct ieee80211_frame *);
4508
4509 /* check for cipher errors */
4510
4511 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4512 {
4513 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4514 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4515 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4516 {
4517 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4518 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4519
4520 m->m_flags |= M_WEP;
4521
4522 sc->rx_cipher_no_errors++;
4523 }
4524 else
4525 {
4526 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4527 "%s: rxinfo: cipher error=0x%02x\n",
4528 device_get_nameunit(sc->dev), cipher_err);
4529
4530 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_ICV)
4531 sc->rx_cipher_icv_errors++;
4532 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC)
4533 sc->rx_cipher_mic_errors++;
4534 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_INVALID_KEY)
4535 sc->rx_cipher_invalid_key_errors++;
4536
4537 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4538 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4539 {
4540 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
4541 if (ni != NULL)
4542 {
4543 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4544 RT2870_RXWI_KEYIDX_MASK;
4545
4546 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
4547
4548 ieee80211_free_node(ni);
4549 }
4550 }
4551
4552 ifp->if_ierrors++;
4553
4554 if (!(ifp->if_flags & IFF_PROMISC))
4555 {
4556 m_free(m);
4557 return;
4558 }
4559 }
4560 }
4561 else
4562 {
4563 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4564 {
4565 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4566 "%s: rxinfo: not decrypted but protected flag set\n",
4567 device_get_nameunit(sc->dev));
4568
4569 ifp->if_ierrors++;
4570
4571 if (!(ifp->if_flags & IFF_PROMISC))
4572 {
4573 m_free(m);
4574 return;
4575 }
4576 }
4577 }
4578
4579 /* check for A-MPDU */
4580
4581 if (rxinfo_flags & RT2870_RXINFO_FLAGS_BA)
4582 {
4583 m->m_flags |= M_AMPDU;
4584
4585 sc->rx_ampdu++;
4586
4587 if (wh->i_fc[1] & IEEE80211_FC1_RETRY)
4588 sc->rx_ampdu_retries++;
4589
4590 ampdu = 1;
4591 }
4592 else
4593 {
4594 ampdu = 0;
4595 }
4596
4597 /* check for A-MSDU */
4598
4599 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4600 {
4601 sc->rx_amsdu++;
4602
4603 amsdu = 1;
4604 }
4605 else
4606 {
4607 amsdu = 0;
4608 }
4609
4610 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4611 rssi = rxwi->rssi[ant];
4612 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4613 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4614 RT2870_RXWI_PHYMODE_MASK);
4615 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4616 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4617 RT2870_RXWI_SHORTGI_MASK);
4618 stbc = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_STBC_SHIFT) &
4619 RT2870_RXWI_STBC_MASK);
4620 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4621 tid = ((rxwi->tid_size >> RT2870_RXWI_TID_SHIFT) & RT2870_RXWI_TID_MASK);
4622 seq = ((rxwi->seq_frag >> RT2870_RXWI_SEQ_SHIFT) & RT2870_RXWI_SEQ_MASK);
4623 frag = ((rxwi->seq_frag >> RT2870_RXWI_FRAG_SHIFT) & RT2870_RXWI_FRAG_MASK);
4624
4625 if (ieee80211_radiotap_active(ic))
4626 {
4627 tap = &sc->rxtap;
4628
4629 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4630 tap->dbm_antsignal = rssi_dbm;
4631 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4632 tap->antenna = ant;
4633 tap->antsignal = rssi;
4634 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4635 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4636 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4637 tap->chan_maxpow = 0;
4638
4639 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4640 tap->rate = rt2870_rxrate(rxwi);
4641 else
4642 tap->rate = mcs | IEEE80211_RATE_MCS;
4643
4644 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4645 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4646
4647 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4648 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4649
4650 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4651 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4652
4653 if ((rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED) ||
4654 (wh->i_fc[1] & IEEE80211_FC1_WEP))
4655 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4656
4657 if (shortgi)
4658 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4659
4660 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
4661
4662 if (ampdu)
4663 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
4664 }
4665
4666 /*
4667 * net80211 assumes that RSSI data are in the range [-127..127] and
4668 * in .5 dBm units relative to the current noise floor
4669 */
4670
4671 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4672 if (rssi_dbm_rel > 127)
4673 rssi_dbm_rel = 127;
4674
4675 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4676 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
4677 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
4678 "retry=%d, rssi_dbm=%d, rssi_dbm_rel=%d\n",
4679 device_get_nameunit(sc->dev),
4680 len, phymode, bw, shortgi, stbc, mcs,
4681 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4682 rxwi->snr[0], rxwi->snr[1],
4683 rxwi->wcid, ampdu, amsdu, tid, seq, frag, (wh->i_fc[1] & IEEE80211_FC1_RETRY) ? 1 : 0,
4684 rssi_dbm, rssi_dbm_rel);
4685
4686 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4687 if (ni != NULL)
4688 {
4689 rni = (struct rt2870_softc_node *) ni;
4690
4691 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4692 {
4693 rni->last_rssi[i] = rxwi->rssi[i];
4694 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4695 }
4696
4697 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4698 ieee80211_free_node(ni);
4699 }
4700 else
4701 {
4702 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4703 }
4704 }
4705
4706 /*
4707 * rt2870_tx_mgmt
4708 */
4709 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4710 struct mbuf *m, struct ieee80211_node *ni, int qid)
4711 {
4712 struct ifnet *ifp;
4713 struct ieee80211com *ic;
4714 struct ieee80211vap *vap;
4715 const struct ieee80211_txparam *tp;
4716 struct rt2870_softc_node *rni;
4717 struct rt2870_softc_tx_ring *ring;
4718 struct rt2870_softc_tx_data *data;
4719 struct rt2870_txinfo *txinfo;
4720 struct rt2870_txwi *txwi;
4721 struct ieee80211_frame *wh;
4722 struct rt2870_softc_tx_radiotap_header *tap;
4723 u_int hdrsize, hdrspace;
4724 uint8_t rate, stbc, shortgi, mcs, pid;
4725 uint16_t len, dmalen, mpdu_len, dur;
4726 int mimops;
4727
4728 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4729 ("%s: Tx MGMT: invalid qid=%d\n",
4730 device_get_nameunit(sc->dev), qid));
4731
4732 ifp = sc->ifp;
4733 ic = ifp->if_l2com;
4734 vap = ni->ni_vap;
4735 rni = (struct rt2870_softc_node *) ni;
4736 tp = ni->ni_txparms;
4737
4738 ring = &sc->tx_ring[qid];
4739 data = STAILQ_FIRST(&ring->inactive);
4740 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4741 txinfo = (struct rt2870_txinfo *) data->buf;
4742 txwi = (struct rt2870_txwi *) (txinfo + 1);
4743
4744 wh = mtod(m, struct ieee80211_frame *);
4745
4746 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4747
4748 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4749
4750 /* align end on a 4-bytes boundary */
4751
4752 dmalen = (len + 3) & ~3;
4753
4754 /* fill Tx info */
4755
4756 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4757
4758 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4759
4760 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4761
4762 dmalen += 4;
4763
4764 memset((caddr_t) txinfo + len, 0, dmalen - len);
4765
4766 /* fill Tx wireless info */
4767
4768 if (ni->ni_flags & IEEE80211_NODE_HT)
4769 mcs = rate;
4770 else
4771 mcs = rt2870_rate2mcs(rate);
4772
4773 /* calculate MPDU length without padding */
4774
4775 hdrsize = ieee80211_anyhdrsize(wh);
4776 hdrspace = ieee80211_anyhdrspace(ic, wh);
4777 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4778
4779 memset(txwi, 0, sizeof(struct rt2870_txwi));
4780
4781 /* management frames do not need encryption */
4782
4783 txwi->wcid = 0xff;
4784
4785 /* MIMO power save */
4786
4787 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4788 {
4789 if (mcs > 7)
4790 {
4791 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4792 {
4793 /* dynamic MIMO power save */
4794
4795 txwi->mpdu_density_flags |=
4796 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4797 }
4798 else
4799 {
4800 /* static MIMO power save */
4801
4802 mcs = 7;
4803 }
4804 }
4805
4806 mimops = 1;
4807 }
4808 else
4809 {
4810 mimops = 0;
4811 }
4812
4813 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4814
4815 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4816 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4817 RT2870_TXWI_MPDU_LEN_SHIFT);
4818
4819 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4820 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4821
4822 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4823 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4824
4825 txwi->phymode_ifs_stbc_shortgi |=
4826 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4827 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4828
4829 txwi->phymode_ifs_stbc_shortgi |=
4830 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4831
4832 if (ni->ni_flags & IEEE80211_NODE_HT)
4833 {
4834 txwi->phymode_ifs_stbc_shortgi |=
4835 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4836 }
4837 else
4838 {
4839 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4840 {
4841 txwi->phymode_ifs_stbc_shortgi |=
4842 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4843
4844 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4845 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4846 }
4847 else
4848 {
4849 txwi->phymode_ifs_stbc_shortgi |=
4850 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4851 }
4852 }
4853
4854 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4855 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4856
4857 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4858
4859 /* skip ACKs for multicast frames */
4860
4861 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4862 {
4863 txwi->bawin_size_xflags |=
4864 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4865
4866 if (ni->ni_flags & IEEE80211_NODE_HT)
4867 {
4868 /* preamble + plcp + signal extension + SIFS */
4869
4870 dur = 16 + 4 + 6 + 10;
4871 }
4872 else
4873 {
4874 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4875 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4876 }
4877
4878 *(uint16_t *) wh->i_dur = htole16(dur);
4879 }
4880
4881 /* ask MAC to insert timestamp into probe responses */
4882
4883 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4884 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4885 txwi->mpdu_density_flags |=
4886 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4887
4888 if (ieee80211_radiotap_active_vap(vap))
4889 {
4890 tap = &sc->txtap;
4891
4892 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4893 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4894 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4895 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4896 tap->chan_maxpow = 0;
4897
4898 if (ni->ni_flags & IEEE80211_NODE_HT)
4899 tap->rate = mcs | IEEE80211_RATE_MCS;
4900 else
4901 tap->rate = rate;
4902
4903 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4904 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4905
4906 if (shortgi)
4907 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4908
4909 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4910 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4911
4912 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4913 {
4914 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4915
4916 ieee80211_radiotap_tx(vap, m);
4917
4918 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4919 }
4920 else
4921 {
4922 ieee80211_radiotap_tx(vap, m);
4923 }
4924 }
4925
4926 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4927
4928 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4929 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4930 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4931 device_get_nameunit(sc->dev),
4932 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4933
4934 data->len = dmalen;
4935 data->m = m;
4936 data->ni = ni;
4937
4938 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4939 ring->queued++;
4940
4941 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4942
4943 return 0;
4944 }
4945
4946 /*
4947 * rt2870_tx_data
4948 */
4949 static int rt2870_tx_data(struct rt2870_softc *sc,
4950 struct mbuf *m, struct ieee80211_node *ni, int qid)
4951 {
4952 struct ifnet *ifp;
4953 struct ieee80211com *ic;
4954 struct ieee80211vap *vap;
4955 const struct ieee80211_txparam *tp;
4956 struct rt2870_softc_node *rni;
4957 struct rt2870_softc_tx_ring *ring;
4958 struct rt2870_softc_tx_data *data;
4959 struct rt2870_txinfo *txinfo;
4960 struct rt2870_txwi *txwi;
4961 struct ieee80211_frame *wh;
4962 struct ieee80211_tx_ampdu *tx_ampdu;
4963 ieee80211_seq seqno;
4964 struct rt2870_softc_tx_radiotap_header *tap;
4965 u_int hdrsize, hdrspace;
4966 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4967 uint16_t qos, len, dmalen, mpdu_len, dur;
4968 int hasqos, ac, tid, ampdu, mimops;
4969
4970 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4971 ("%s: Tx data: invalid qid=%d\n",
4972 device_get_nameunit(sc->dev), qid));
4973
4974 ifp = sc->ifp;
4975 ic = ifp->if_l2com;
4976 vap = ni->ni_vap;
4977 rni = (struct rt2870_softc_node *) ni;
4978 tp = ni->ni_txparms;
4979
4980 ring = &sc->tx_ring[qid];
4981 data = STAILQ_FIRST(&ring->inactive);
4982 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4983 txinfo = (struct rt2870_txinfo *) data->buf;
4984 txwi = (struct rt2870_txwi *) (txinfo + 1);
4985
4986 wh = mtod(m, struct ieee80211_frame *);
4987
4988 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4989
4990 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4991 if (hasqos)
4992 {
4993 if (IEEE80211_HAS_ADDR4(wh))
4994 qos = le16toh(*(const uint16_t *)
4995 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4996 else
4997 qos = le16toh(*(const uint16_t *)
4998 (((struct ieee80211_qosframe *) wh)->i_qos));
4999 }
5000 else
5001 {
5002 qos = 0;
5003 }
5004
5005 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
5006 rate = tp->mcastrate;
5007 else if (m->m_flags & M_EAPOL)
5008 rate = tp->mgmtrate;
5009 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
5010 rate = tp->ucastrate;
5011 else
5012 rate = ni->ni_txrate;
5013
5014 rate &= IEEE80211_RATE_VAL;
5015
5016 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
5017
5018 /* align end on a 4-bytes boundary */
5019
5020 dmalen = (len + 3) & ~3;
5021
5022 /* fill Tx info */
5023
5024 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
5025
5026 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
5027
5028 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
5029
5030 dmalen += 4;
5031
5032 memset((caddr_t) txinfo + len, 0, dmalen - len);
5033
5034 /* fill Tx wireless info */
5035
5036 if (ni->ni_flags & IEEE80211_NODE_HT)
5037 mcs = rate;
5038 else
5039 mcs = rt2870_rate2mcs(rate);
5040
5041 if (type == IEEE80211_FC0_TYPE_DATA)
5042 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2870_WCID_MCAST;
5043 else
5044 wcid = RT2870_WCID_RESERVED;
5045
5046 /* calculate MPDU length without padding */
5047
5048 hdrsize = ieee80211_anyhdrsize(wh);
5049 hdrspace = ieee80211_anyhdrspace(ic, wh);
5050 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
5051
5052 memset(txwi, 0, sizeof(struct rt2870_txwi));
5053
5054 txwi->wcid = wcid;
5055
5056 /* MIMO power save */
5057
5058 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
5059 {
5060 if (mcs > 7)
5061 {
5062 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
5063 {
5064 /* dynamic MIMO power save */
5065
5066 txwi->mpdu_density_flags |=
5067 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
5068 }
5069 else
5070 {
5071 /* static MIMO power save */
5072
5073 mcs = 7;
5074 }
5075 }
5076
5077 mimops = 1;
5078 }
5079 else
5080 {
5081 mimops = 0;
5082 }
5083
5084 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
5085
5086 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
5087 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
5088 RT2870_TXWI_MPDU_LEN_SHIFT);
5089
5090 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
5091 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
5092
5093 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
5094 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
5095
5096 txwi->phymode_ifs_stbc_shortgi |=
5097 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
5098 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
5099
5100 if (ni->ni_flags & IEEE80211_NODE_HT)
5101 {
5102 txwi->phymode_ifs_stbc_shortgi |=
5103 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
5104 }
5105 else
5106 {
5107 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
5108 {
5109 txwi->phymode_ifs_stbc_shortgi |=
5110 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
5111
5112 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
5113 mcs |= RT2870_TXWI_MCS_SHOTPRE;
5114 }
5115 else
5116 {
5117 txwi->phymode_ifs_stbc_shortgi |=
5118 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
5119 }
5120 }
5121
5122 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
5123 bw = RT2870_TXWI_BW_40;
5124 else
5125 bw = RT2870_TXWI_BW_20;
5126
5127 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
5128 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
5129
5130 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
5131
5132 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
5133 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
5134 {
5135 txwi->bawin_size_xflags |=
5136 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
5137
5138 if (ni->ni_flags & IEEE80211_NODE_HT)
5139 {
5140 /* preamble + plcp + signal extension + SIFS */
5141
5142 dur = 16 + 4 + 6 + 10;
5143 }
5144 else
5145 {
5146 dur = ieee80211_ack_duration(ic->ic_rt, rate,
5147 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
5148 }
5149
5150 *(uint16_t *) wh->i_dur = htole16(dur);
5151 }
5152
5153 /* check fo A-MPDU */
5154
5155 if (m->m_flags & M_AMPDU_MPDU)
5156 {
5157 ac = M_WME_GETAC(m);
5158 tid = WME_AC_TO_TID(ac);
5159 tx_ampdu = &ni->ni_tx_ampdu[ac];
5160
5161 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
5162 bawin_size = tx_ampdu->txa_wnd;
5163
5164 txwi->mpdu_density_flags |=
5165 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
5166 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
5167
5168 txwi->bawin_size_xflags |=
5169 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
5170
5171 seqno = ni->ni_txseqs[tid]++;
5172
5173 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
5174
5175 ampdu = 1;
5176 }
5177 else
5178 {
5179 mpdu_density = 0;
5180 bawin_size = 0;
5181 ampdu = 0;
5182 }
5183
5184 /* ask MAC to insert timestamp into probe responses */
5185
5186 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
5187 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
5188 txwi->mpdu_density_flags |=
5189 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
5190
5191 if (ieee80211_radiotap_active_vap(vap))
5192 {
5193 tap = &sc->txtap;
5194
5195 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
5196 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5197 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5198 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5199 tap->chan_maxpow = 0;
5200
5201 if (ni->ni_flags & IEEE80211_NODE_HT)
5202 tap->rate = mcs | IEEE80211_RATE_MCS;
5203 else
5204 tap->rate = rate;
5205
5206 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
5207 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5208
5209 if (shortgi)
5210 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5211
5212 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5213 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5214
5215 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
5216
5217 if (ampdu)
5218 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
5219
5220 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5221 {
5222 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5223
5224 ieee80211_radiotap_tx(vap, m);
5225
5226 wh->i_fc[1] |= IEEE80211_FC1_WEP;
5227 }
5228 else
5229 {
5230 ieee80211_radiotap_tx(vap, m);
5231 }
5232 }
5233
5234 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
5235
5236 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5237 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
5238 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
5239 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d\n",
5240 device_get_nameunit(sc->dev),
5241 qid, hdrsize, hdrspace, m->m_pkthdr.len,
5242 bw, stbc, shortgi, mcs, wcid,
5243 ampdu, mpdu_density, bawin_size, mimops, dmalen);
5244
5245 data->len = dmalen;
5246 data->m = m;
5247 data->ni = ni;
5248
5249 STAILQ_INSERT_TAIL(&ring->pending, data, next);
5250 ring->queued++;
5251
5252 usbd_transfer_start(sc->usb_xfer[1 + qid]);
5253
5254 return 0;
5255 }
5256
5257 /*
5258 * rt2870_tx_raw
5259 */
5260 static int rt2870_tx_raw(struct rt2870_softc *sc,
5261 struct mbuf *m, struct ieee80211_node *ni,
5262 const struct ieee80211_bpf_params *params)
5263 {
5264 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5265 "%s: Tx raw\n",
5266 device_get_nameunit(sc->dev));
5267
5268 return 0;
5269 }
5270
5271 /*
5272 * rt2870_rx_intr
5273 */
5274 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
5275 {
5276 struct rt2870_softc *sc;
5277 struct ifnet *ifp;
5278 struct rt2870_softc_rx_ring *ring;
5279 struct rt2870_softc_rx_data *data;
5280 int len;
5281
5282 sc = usbd_xfer_softc(xfer);
5283 ifp = sc->ifp;
5284 ring = &sc->rx_ring;
5285
5286 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5287 "%s: Rx interrupt: state=%d, error=%s\n",
5288 device_get_nameunit(sc->dev),
5289 USB_GET_STATE(xfer), usbd_errstr(error));
5290
5291 switch (USB_GET_STATE(xfer))
5292 {
5293 case USB_ST_TRANSFERRED:
5294 sc->interrupts++;
5295 sc->rx_interrupts++;
5296
5297 data = STAILQ_FIRST(&ring->active);
5298 if (data == NULL)
5299 goto setup;
5300
5301 STAILQ_REMOVE_HEAD(&ring->active, next);
5302
5303 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
5304
5305 data->len = len;
5306
5307 STAILQ_INSERT_TAIL(&ring->done, data, next);
5308
5309 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5310
5311 /* FALLTHROUGH */
5312
5313 setup:
5314
5315 case USB_ST_SETUP:
5316 data = STAILQ_FIRST(&ring->inactive);
5317 if (data == NULL)
5318 break;
5319
5320 STAILQ_REMOVE_HEAD(&ring->inactive, next);
5321
5322 STAILQ_INSERT_TAIL(&ring->active, data, next);
5323
5324 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
5325 usbd_transfer_submit(xfer);
5326 break;
5327
5328 default:
5329 sc->interrupts++;
5330 sc->rx_interrupts++;
5331
5332 data = STAILQ_FIRST(&ring->active);
5333 if (data != NULL)
5334 {
5335 STAILQ_REMOVE_HEAD(&ring->active, next);
5336 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5337 }
5338
5339 if (error != USB_ERR_CANCELLED)
5340 {
5341 ifp->if_ierrors++;
5342
5343 usbd_xfer_set_stall(xfer);
5344
5345 goto setup;
5346 }
5347 break;
5348 }
5349 }
5350
5351 /*
5352 * rt2870_tx_intr
5353 */
5354 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
5355 {
5356 struct rt2870_softc *sc;
5357 struct ifnet *ifp;
5358 struct rt2870_softc_tx_ring *ring;
5359 struct rt2870_softc_tx_data *data;
5360
5361 sc = usbd_xfer_softc(xfer);
5362 ifp = sc->ifp;
5363 ring = usbd_xfer_get_priv(xfer);
5364
5365 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
5366
5367 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5368 "%s: Tx interrupt: state=%d, error=%s\n",
5369 device_get_nameunit(sc->dev),
5370 USB_GET_STATE(xfer), usbd_errstr(error));
5371
5372 switch (USB_GET_STATE(xfer))
5373 {
5374 case USB_ST_TRANSFERRED:
5375 sc->interrupts++;
5376 sc->tx_interrupts[ring->qid]++;
5377
5378 data = STAILQ_FIRST(&ring->active);
5379 if (data == NULL)
5380 goto setup;
5381
5382 STAILQ_REMOVE_HEAD(&ring->active, next);
5383
5384 STAILQ_INSERT_TAIL(&ring->done, data, next);
5385
5386 sc->tx_qid_pending_mask |= (1 << ring->qid);
5387
5388 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5389
5390 /* FALLTHROUGH */
5391
5392 setup:
5393
5394 case USB_ST_SETUP:
5395 data = STAILQ_FIRST(&ring->pending);
5396 if (data == NULL)
5397 break;
5398
5399 STAILQ_REMOVE_HEAD(&ring->pending, next);
5400 STAILQ_INSERT_TAIL(&ring->active, data, next);
5401
5402 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
5403 usbd_transfer_submit(xfer);
5404
5405 RT2870_SOFTC_UNLOCK(sc);
5406
5407 rt2870_start(ifp);
5408
5409 RT2870_SOFTC_LOCK(sc);
5410 break;
5411
5412 default:
5413 sc->interrupts++;
5414 sc->tx_interrupts[ring->qid]++;
5415
5416 data = STAILQ_FIRST(&ring->active);
5417 if (data != NULL)
5418 {
5419 STAILQ_REMOVE_HEAD(&ring->active, next);
5420
5421 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
5422 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
5423
5424 if (data->m != NULL)
5425 {
5426 m_freem(data->m);
5427 data->m = NULL;
5428 }
5429
5430 if (data->ni != NULL)
5431 {
5432 ieee80211_free_node(data->ni);
5433 data->ni = NULL;
5434 }
5435
5436 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5437
5438 ring->queued--;
5439 }
5440
5441 if (error != USB_ERR_CANCELLED)
5442 {
5443 ifp->if_oerrors++;
5444 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5445
5446 usbd_xfer_set_stall(xfer);
5447
5448 goto setup;
5449 }
5450 break;
5451 }
5452 }
5453
5454 /*
5455 * rt2870_rx_done_task
5456 */
5457 static void rt2870_rx_done_task(void *context, int pending)
5458 {
5459 struct rt2870_softc *sc;
5460 struct ifnet *ifp;
5461
5462 sc = context;
5463 ifp = sc->ifp;
5464
5465 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5466 "%s: Rx done task\n",
5467 device_get_nameunit(sc->dev));
5468
5469 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5470 return;
5471
5472 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
5473 {
5474 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5475 "%s: Rx done task: scheduling again\n",
5476 device_get_nameunit(sc->dev));
5477
5478 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5479 }
5480 }
5481
5482 /*
5483 * rt2870_tx_done_task
5484 */
5485 static void rt2870_tx_done_task(void *context, int pending)
5486 {
5487 struct rt2870_softc *sc;
5488 struct ifnet *ifp;
5489 int i;
5490
5491 sc = context;
5492 ifp = sc->ifp;
5493
5494 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5495 "%s: Tx done task\n",
5496 device_get_nameunit(sc->dev));
5497
5498 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5499 return;
5500
5501 for (i = sc->usb_endpoints - 2; i >= 0; i--)
5502 {
5503 if (sc->tx_qid_pending_mask & (1 << i))
5504 {
5505 sc->tx_qid_pending_mask &= ~(1 << i);
5506
5507 rt2870_tx_eof(sc, &sc->tx_ring[i]);
5508 }
5509 }
5510
5511 if (sc->tx_qid_pending_mask != 0)
5512 {
5513 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5514 "%s: Tx done task: scheduling again\n",
5515 device_get_nameunit(sc->dev));
5516
5517 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5518 }
5519
5520 sc->tx_timer = 0;
5521
5522 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5523 }
5524
5525 /*
5526 * rt2870_periodic_task
5527 */
5528 static void rt2870_periodic_task(void *context, int pending)
5529 {
5530 struct rt2870_softc *sc;
5531 struct ifnet *ifp;
5532 struct ieee80211com *ic;
5533 struct ieee80211vap *vap;
5534
5535 sc = context;
5536 ifp = sc->ifp;
5537 ic = ifp->if_l2com;
5538 vap = TAILQ_FIRST(&ic->ic_vaps);
5539
5540 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5541 "%s: periodic task: round=%lu\n",
5542 device_get_nameunit(sc->dev), sc->periodic_round);
5543
5544 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5545 return;
5546
5547 RT2870_SOFTC_LOCK(sc);
5548
5549 sc->periodic_round++;
5550
5551 rt2870_update_stats(sc);
5552
5553 if ((sc->periodic_round % 10) == 0)
5554 {
5555 rt2870_bbp_tuning(sc);
5556
5557 rt2870_update_raw_counters(sc);
5558
5559 rt2870_watchdog(sc);
5560
5561 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5562 {
5563 if (vap->iv_opmode == IEEE80211_M_STA)
5564 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
5565 else
5566 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
5567 }
5568 }
5569
5570 RT2870_SOFTC_UNLOCK(sc);
5571
5572 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5573 }
5574
5575 /*
5576 * rt2870_cmd_task
5577 */
5578 static void rt2870_cmd_task(void *context, int pending)
5579 {
5580 struct rt2870_softc *sc;
5581 struct rt2870_softc_cmd_ring *ring;
5582 struct rt2870_softc_cmd *cmd;
5583
5584 sc = context;
5585 ring = &sc->cmd_ring;
5586
5587 while (1)
5588 {
5589 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
5590 break;
5591
5592 RT2870_SOFTC_LOCK(sc);
5593
5594 cmd = STAILQ_FIRST(&ring->active);
5595 if (cmd == NULL)
5596 {
5597 RT2870_SOFTC_UNLOCK(sc);
5598 break;
5599 }
5600
5601 STAILQ_REMOVE_HEAD(&ring->active, next);
5602
5603 RT2870_SOFTC_UNLOCK(sc);
5604
5605 cmd->cb(sc, cmd->data);
5606
5607 RT2870_SOFTC_LOCK(sc);
5608
5609 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5610 ring->queued--;
5611
5612 RT2870_SOFTC_UNLOCK(sc);
5613 }
5614 }
5615
5616 /*
5617 * rt2870_rx_eof
5618 */
5619 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5620 {
5621 struct ifnet *ifp;
5622 struct rt2870_softc_rx_ring *ring;
5623 struct rt2870_softc_rx_data *data;
5624 uint32_t dmalen;
5625 uint8_t *buf;
5626 int nframes, len;
5627
5628 ifp = sc->ifp;
5629 ring = &sc->rx_ring;
5630
5631 nframes = 0;
5632
5633 while (limit != 0)
5634 {
5635 RT2870_SOFTC_LOCK(sc);
5636
5637 data = STAILQ_FIRST(&ring->done);
5638 if (data == NULL)
5639 {
5640 RT2870_SOFTC_UNLOCK(sc);
5641 break;
5642 }
5643
5644 STAILQ_REMOVE_HEAD(&ring->done, next);
5645
5646 RT2870_SOFTC_UNLOCK(sc);
5647
5648 buf = data->buf;
5649 len = data->len;
5650
5651 if (len < RT2870_RX_DESC_SIZE)
5652 {
5653 ifp->if_ierrors++;
5654 goto skip;
5655 }
5656
5657 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5658 {
5659 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5660
5661 if (dmalen == 0 || (dmalen & 3) != 0)
5662 {
5663 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5664 "%s: bad DMA len=%u\n",
5665 device_get_nameunit(sc->dev), dmalen);
5666 goto skip;
5667 }
5668
5669 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5670 {
5671 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5672 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5673 device_get_nameunit(sc->dev),
5674 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5675 goto skip;
5676 }
5677
5678 nframes++;
5679
5680 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5681
5682 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5683 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5684 }
5685
5686 skip:
5687
5688 RT2870_SOFTC_LOCK(sc);
5689
5690 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5691
5692 usbd_transfer_start(sc->usb_xfer[0]);
5693
5694 RT2870_SOFTC_UNLOCK(sc);
5695
5696 limit--;
5697 }
5698
5699 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5700 "%s: Rx eof: nframes=%d\n",
5701 device_get_nameunit(sc->dev), nframes);
5702
5703 sc->rx_packets += nframes;
5704
5705 return (limit == 0);
5706 }
5707
5708 /*
5709 * rt2870_tx_eof
5710 */
5711 static void rt2870_tx_eof(struct rt2870_softc *sc,
5712 struct rt2870_softc_tx_ring *ring)
5713 {
5714 struct ifnet *ifp;
5715 struct rt2870_softc_tx_data *data;
5716 int nframes;
5717
5718 ifp = sc->ifp;
5719
5720 nframes = 0;
5721
5722 while (1)
5723 {
5724 RT2870_SOFTC_LOCK(sc);
5725
5726 data = STAILQ_FIRST(&ring->done);
5727 if (data == NULL)
5728 {
5729 RT2870_SOFTC_UNLOCK(sc);
5730 break;
5731 }
5732
5733 STAILQ_REMOVE_HEAD(&ring->done, next);
5734
5735 rt2870_drain_fifo_stats(sc);
5736
5737 RT2870_SOFTC_UNLOCK(sc);
5738
5739 nframes++;
5740
5741 if (data->m->m_flags & M_TXCB)
5742 ieee80211_process_callback(data->ni, data->m, 0);
5743
5744 m_freem(data->m);
5745
5746 ieee80211_free_node(data->ni);
5747
5748 data->m = NULL;
5749 data->ni = NULL;
5750
5751 RT2870_SOFTC_LOCK(sc);
5752
5753 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5754
5755 ring->queued--;
5756 ifp->if_opackets++;
5757
5758 RT2870_SOFTC_UNLOCK(sc);
5759 }
5760
5761 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5762 "%s: Tx eof: qid=%d, nframes=%d\n",
5763 device_get_nameunit(sc->dev), ring->qid, nframes);
5764 }
5765
5766 /*
5767 * rt2870_update_stats
5768 */
5769 static void rt2870_update_stats(struct rt2870_softc *sc)
5770 {
5771 struct ifnet *ifp;
5772 struct ieee80211com *ic;
5773 uint32_t stacnt[3];
5774 int beacons, noretryok, retryok, failed, underflows, zerolen;
5775
5776 ifp = sc->ifp;
5777 ic = ifp->if_l2com;
5778
5779 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5780 "%s: update statistic\n",
5781 device_get_nameunit(sc->dev));
5782
5783 rt2870_drain_fifo_stats(sc);
5784
5785 /* read and clear Tx statistic registers */
5786
5787 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5788 stacnt, sizeof(stacnt));
5789
5790 stacnt[0] = le32toh(stacnt[0]);
5791 stacnt[1] = le32toh(stacnt[1]);
5792 stacnt[2] = le32toh(stacnt[2]);
5793
5794 beacons = stacnt[0] >> 16;
5795 noretryok = stacnt[1] & 0xffff;
5796 retryok = stacnt[1] >> 16;
5797 failed = stacnt[0] & 0xffff;
5798 underflows = stacnt[2] >> 16;
5799 zerolen = stacnt[2] & 0xffff;
5800
5801 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5802 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5803 device_get_nameunit(sc->dev),
5804 beacons, noretryok, retryok, failed, underflows, zerolen);
5805
5806 ifp->if_oerrors += failed;
5807
5808 sc->tx_beacons += beacons;
5809 sc->tx_noretryok += noretryok;
5810 sc->tx_retryok += retryok;
5811 sc->tx_failed += failed;
5812 sc->tx_underflows += underflows;
5813 sc->tx_zerolen += zerolen;
5814 }
5815
5816 /*
5817 * rt2870_bbp_tuning
5818 */
5819 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5820 {
5821 struct ifnet *ifp;
5822 struct ieee80211com *ic;
5823 struct ieee80211vap *vap;
5824 struct ieee80211_node *ni;
5825 int chan, group;
5826 int8_t rssi, old, new;
5827
5828 /* RT2860C does not support BBP tuning */
5829
5830 if (sc->mac_rev == 0x28600100)
5831 return;
5832
5833 ifp = sc->ifp;
5834 ic = ifp->if_l2com;
5835 vap = TAILQ_FIRST(&ic->ic_vaps);
5836
5837 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5838 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5839 return;
5840
5841 ni = vap->iv_bss;
5842
5843 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5844
5845 if (chan <= 14)
5846 group = 0;
5847 else if (chan <= 64)
5848 group = 1;
5849 else if (chan <= 128)
5850 group = 2;
5851 else
5852 group = 3;
5853
5854 rssi = ieee80211_getrssi(vap);
5855
5856 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5857 {
5858 new = 0x2e + sc->lna_gain[group];
5859 }
5860 else
5861 {
5862 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5863 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5864 else
5865 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5866 }
5867
5868 /* Tune if absolute average RSSI is greater than -80 */
5869
5870 if (rssi > 30)
5871 new += 0x10;
5872
5873 old = rt2870_io_bbp_read(sc, 66);
5874
5875 if (old != new)
5876 rt2870_io_bbp_write(sc, 66, new);
5877 }
5878
5879 /*
5880 * rt2870_watchdog
5881 */
5882 static void rt2870_watchdog(struct rt2870_softc *sc)
5883 {
5884 uint32_t tmp;
5885 int ntries;
5886
5887 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5888
5889 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5890 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5891 device_get_nameunit(sc->dev), tmp);
5892
5893 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5894 {
5895 sc->tx_queue_not_empty[0]++;
5896
5897 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5898
5899 for (ntries = 0; ntries < 10; ntries++)
5900 {
5901 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5902 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5903 break;
5904
5905 DELAY(1);
5906 }
5907
5908 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5909 }
5910
5911 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5912 {
5913 sc->tx_queue_not_empty[1]++;
5914
5915 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5916
5917 for (ntries = 0; ntries < 10; ntries++)
5918 {
5919 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5920 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5921 break;
5922
5923 DELAY(1);
5924 }
5925
5926 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5927 }
5928 }
5929
5930 /*
5931 * rt2870_drain_fifo_stats
5932 */
5933 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5934 {
5935 struct ifnet *ifp;
5936 uint32_t stats;
5937 uint8_t wcid, mcs, pid;
5938 int ok, agg, retrycnt;
5939
5940 ifp = sc->ifp;
5941
5942 /* drain Tx status FIFO (maxsize = 16) */
5943
5944 while ((sc->flags & RT2870_SOFTC_FLAGS_VALID) &&
5945 ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5946 RT2870_REG_TX_STA_FIFO_VALID))
5947 {
5948 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5949 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5950
5951 /* if no ACK was requested, no feedback is available */
5952
5953 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2870_WCID_RESERVED)
5954 continue;
5955
5956 /* update AMRR statistic */
5957
5958 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5959 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5960 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5961 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5962 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5963 RT2870_REG_TX_STA_FIFO_PID_MASK;
5964 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
5965
5966 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5967 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5968 device_get_nameunit(sc->dev),
5969 wcid, ok, agg, mcs, pid, retrycnt);
5970
5971 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5972
5973 if (!ok)
5974 ifp->if_oerrors++;
5975 }
5976 }
5977
5978 /*
5979 * rt2870_update_raw_counters
5980 */
5981 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5982 {
5983 uint32_t tmp;
5984
5985 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5986
5987 sc->tx_nonagg += tmp & 0xffff;
5988 sc->tx_agg += tmp >> 16;
5989
5990 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5991
5992 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5993
5994 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5995
5996 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5997
5998 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5999
6000 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
6001
6002 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
6003
6004 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
6005
6006 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
6007
6008 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
6009
6010 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
6011
6012 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
6013
6014 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
6015
6016 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
6017
6018 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
6019
6020 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
6021
6022 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
6023
6024 sc->rx_crc_errors += tmp & 0xffff;
6025 sc->rx_phy_errors += tmp >> 16;
6026
6027 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
6028
6029 sc->rx_false_ccas += tmp & 0xffff;
6030 sc->rx_plcp_errors += tmp >> 16;
6031
6032 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
6033
6034 sc->rx_dup_packets += tmp & 0xffff;
6035 sc->rx_fifo_overflows += tmp >> 16;
6036
6037 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
6038
6039 sc->tx_mpdu_zero_density += tmp & 0xffff;
6040 sc->rx_mpdu_zero_density += tmp >> 16;
6041 }
6042
6043 /*
6044 * rt2870_txrx_enable
6045 */
6046 static int rt2870_txrx_enable(struct rt2870_softc *sc)
6047 {
6048 struct ieee80211com *ic;
6049 struct ifnet *ifp;
6050 uint32_t tmp;
6051 int ntries;
6052
6053 ifp = sc->ifp;
6054 ic = ifp->if_l2com;
6055
6056 /* enable Tx/Rx DMA engine */
6057
6058 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
6059
6060 tmp &= 0xffffff00;
6061 tmp |= 0x1e;
6062
6063 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
6064
6065 if ((sc->mac_rev & 0xffff) != 0x0101)
6066 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
6067
6068 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
6069
6070 for (ntries = 0; ntries < 200; ntries++)
6071 {
6072 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
6073 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
6074 break;
6075
6076 DELAY(1000);
6077 }
6078
6079 if (ntries == 200)
6080 {
6081 printf("%s: timeout waiting for DMA engine\n",
6082 device_get_nameunit(sc->dev));
6083 return -1;
6084 }
6085
6086 DELAY(50);
6087
6088 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
6089 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
6090 (48 << 16) | 96);
6091
6092 tmp |= RT2870_REG_TX_WB_DDONE |
6093 RT2870_REG_RX_DMA_ENABLE |
6094 RT2870_REG_TX_DMA_ENABLE;
6095
6096 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
6097
6098 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
6099 RT2870_REG_USB_DMA_RX_ENABLE |
6100 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
6101 /* Rx agg limit in unit of 1024 byte */
6102 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
6103 /* Rx agg timeout in unit of 33ns */
6104 0x80;
6105
6106 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
6107
6108 /* set Rx filter */
6109
6110 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
6111 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
6112
6113 if (ic->ic_opmode != IEEE80211_M_MONITOR)
6114 {
6115 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
6116 RT2870_REG_RX_FILTER_DROP_CTS |
6117 RT2870_REG_RX_FILTER_DROP_BA |
6118 RT2870_REG_RX_FILTER_DROP_ACK |
6119 RT2870_REG_RX_FILTER_DROP_VER_ERR |
6120 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
6121 RT2870_REG_RX_FILTER_DROP_CFACK |
6122 RT2870_REG_RX_FILTER_DROP_CFEND;
6123
6124 if (ic->ic_opmode == IEEE80211_M_STA)
6125 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
6126 RT2870_REG_RX_FILTER_DROP_PSPOLL;
6127
6128 if (!(ifp->if_flags & IFF_PROMISC))
6129 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
6130 }
6131
6132 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
6133
6134 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
6135 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
6136
6137 return 0;
6138 }
6139
6140 /*
6141 * rt2870_alloc_rx_ring
6142 */
6143 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
6144 struct rt2870_softc_rx_ring *ring)
6145 {
6146 struct rt2870_softc_rx_data *data;
6147 int i, error;
6148
6149 STAILQ_INIT(&ring->inactive);
6150 STAILQ_INIT(&ring->active);
6151 STAILQ_INIT(&ring->done);
6152
6153 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6154 {
6155 data = &ring->data[i];
6156
6157 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
6158 if (data->buf == NULL)
6159 {
6160 printf("%s: could not allocate Rx buffer\n",
6161 device_get_nameunit(sc->dev));
6162 error = ENOMEM;
6163 goto fail;
6164 }
6165
6166 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6167 }
6168
6169 return 0;
6170
6171 fail:
6172
6173 rt2870_free_rx_ring(sc, ring);
6174
6175 return error;
6176 }
6177
6178 /*
6179 * rt2870_reset_rx_ring
6180 */
6181 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
6182 struct rt2870_softc_rx_ring *ring)
6183 {
6184 struct rt2870_softc_rx_data *data;
6185 int i;
6186
6187 STAILQ_INIT(&ring->inactive);
6188 STAILQ_INIT(&ring->active);
6189 STAILQ_INIT(&ring->done);
6190
6191 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6192 {
6193 data = &ring->data[i];
6194
6195 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6196 }
6197 }
6198
6199 /*
6200 * rt2870_free_rx_ring
6201 */
6202 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
6203 struct rt2870_softc_rx_ring *ring)
6204 {
6205 struct rt2870_softc_rx_data *data;
6206 int i;
6207
6208 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6209 {
6210 data = &ring->data[i];
6211
6212 if (data->buf != NULL)
6213 {
6214 free(data->buf, M_USBDEV);
6215 data->buf = NULL;
6216 }
6217 }
6218 }
6219
6220 /*
6221 * rt2870_alloc_tx_ring
6222 */
6223 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
6224 struct rt2870_softc_tx_ring *ring, int qid)
6225 {
6226 struct rt2870_softc_tx_data *data;
6227 int i, error;
6228
6229 STAILQ_INIT(&ring->inactive);
6230 STAILQ_INIT(&ring->pending);
6231 STAILQ_INIT(&ring->active);
6232 STAILQ_INIT(&ring->done);
6233
6234 ring->queued = 0;
6235 ring->qid = qid;
6236
6237 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6238 {
6239 data = &ring->data[i];
6240
6241 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
6242 if (data->buf == NULL)
6243 {
6244 printf("%s: could not allocate Tx buffer\n",
6245 device_get_nameunit(sc->dev));
6246 error = ENOMEM;
6247 goto fail;
6248 }
6249
6250 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
6251
6252 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6253 }
6254
6255 return 0;
6256
6257 fail:
6258
6259 rt2870_free_tx_ring(sc, ring);
6260
6261 return error;
6262 }
6263
6264 /*
6265 * rt2870_reset_tx_ring
6266 */
6267 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
6268 struct rt2870_softc_tx_ring *ring)
6269 {
6270 struct rt2870_softc_tx_data *data;
6271 int i;
6272
6273 STAILQ_INIT(&ring->inactive);
6274 STAILQ_INIT(&ring->pending);
6275 STAILQ_INIT(&ring->active);
6276 STAILQ_INIT(&ring->done);
6277
6278 ring->queued = 0;
6279
6280 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6281 {
6282 data = &ring->data[i];
6283
6284 if (data->m != NULL)
6285 {
6286 m_free(data->m);
6287 data->m = NULL;
6288 }
6289
6290 if (data->ni != NULL)
6291 {
6292 ieee80211_free_node(data->ni);
6293 data->ni = NULL;
6294 }
6295
6296 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6297 }
6298 }
6299
6300 /*
6301 * rt2870_free_tx_ring
6302 */
6303 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
6304 struct rt2870_softc_tx_ring *ring)
6305 {
6306 struct rt2870_softc_tx_data *data;
6307 int i;
6308
6309 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6310 {
6311 data = &ring->data[i];
6312
6313 if (data->buf != NULL)
6314 {
6315 free(data->buf, M_USBDEV);
6316 data->buf = NULL;
6317 }
6318
6319 if (data->m != NULL)
6320 {
6321 m_free(data->m);
6322 data->m = NULL;
6323 }
6324
6325 if (data->ni != NULL)
6326 {
6327 ieee80211_free_node(data->ni);
6328 data->ni = NULL;
6329 }
6330 }
6331 }
6332
6333 /*
6334 * rt2870_reset_cmd_ring
6335 */
6336 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
6337 struct rt2870_softc_cmd_ring *ring)
6338 {
6339 struct rt2870_softc_cmd *cmd;
6340 int i;
6341
6342 STAILQ_INIT(&ring->inactive);
6343 STAILQ_INIT(&ring->active);
6344
6345 ring->queued = 0;
6346
6347 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
6348 {
6349 cmd = &ring->cmd[i];
6350
6351 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
6352 }
6353 }
6354
6355 /*
6356 * rt2870_sysctl_attach
6357 */
6358 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
6359 {
6360 struct sysctl_ctx_list *ctx;
6361 struct sysctl_oid *tree;
6362 struct sysctl_oid *stats;
6363
6364 ctx = device_get_sysctl_ctx(sc->dev);
6365 tree = device_get_sysctl_tree(sc->dev);
6366
6367 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6368 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6369 "Tx STBC");
6370
6371 /* statistic counters */
6372
6373 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6374 "stats", CTLFLAG_RD, 0, "statistic");
6375
6376 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6377 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6378 "all interrupts");
6379
6380 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6381 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6382 "Rx interrupts");
6383
6384 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6385 {
6386 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6387 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6388 "Tx MGMT interrupts");
6389
6390 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6391 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6392 "Tx HCCA interrupts");
6393 }
6394
6395 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6396 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6397 "Tx AC3 interrupts");
6398
6399 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6400 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6401 "Tx AC2 interrupts");
6402
6403 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6404 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6405 "Tx AC1 interrupts");
6406
6407 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6408 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6409 "Tx AC0 interrupts");
6410
6411 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6412 {
6413 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6414 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
6415 "Tx MGMT data queued");
6416
6417 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6418 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
6419 "Tx HCCA data queued");
6420 }
6421
6422 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6423 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
6424 "Tx AC3 data queued");
6425
6426 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6427 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
6428 "Tx AC2 data queued");
6429
6430 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6431 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
6432 "Tx AC1 data queued");
6433
6434 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6435 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
6436 "Tx AC0 data queued");
6437
6438 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6439 {
6440 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6441 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6442 "Tx MGMT data queue full");
6443
6444 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6445 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6446 "Tx HCCA data queue full");
6447 }
6448
6449 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6450 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6451 "Tx AC3 data queue full");
6452
6453 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6454 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6455 "Tx AC2 data queue full");
6456
6457 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6458 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6459 "Tx AC1 data queue full");
6460
6461 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6462 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6463 "Tx AC0 data queue full");
6464
6465 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6466 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6467 "Tx watchdog timeouts");
6468
6469 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6470 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6471 "Rx mbuf allocation errors");
6472
6473 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6474 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6475 "Tx queue 0 not empty");
6476
6477 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6478 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6479 "Tx queue 1 not empty");
6480
6481 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6482 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6483 "Tx beacons");
6484
6485 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6486 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6487 "Tx successfull without retries");
6488
6489 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6490 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6491 "Tx successfull with retries");
6492
6493 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6494 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6495 "Tx failed");
6496
6497 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6498 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6499 "Tx underflows");
6500
6501 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6502 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6503 "Tx zero length");
6504
6505 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6506 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6507 "Tx non-aggregated");
6508
6509 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6510 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6511 "Tx aggregated");
6512
6513 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6514 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6515 "Tx A-MPDU");
6516
6517 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6518 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6519 "Tx MPDU with zero density");
6520
6521 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6522 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6523 "Tx A-MPDU sessions");
6524
6525 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6526 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6527 "Rx packets");
6528
6529 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6530 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6531 "Rx A-MPDU");
6532
6533 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6534 "rx_ampdu_retries", CTLFLAG_RD, &sc->rx_ampdu_retries, 0,
6535 "Rx A-MPDU retries");
6536
6537 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6538 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6539 "Rx MPDU with zero density");
6540
6541 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6542 "rx_ampdu_sessions", CTLFLAG_RD, &sc->rx_ampdu_sessions, 0,
6543 "Rx A-MPDU sessions");
6544
6545 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6546 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6547 "Rx A-MSDU");
6548
6549 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6550 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6551 "Rx CRC errors");
6552
6553 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6554 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6555 "Rx PHY errors");
6556
6557 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6558 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6559 "Rx false CCAs");
6560
6561 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6562 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6563 "Rx PLCP errors");
6564
6565 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6566 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6567 "Rx duplicate packets");
6568
6569 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6570 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6571 "Rx FIFO overflows");
6572
6573 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6574 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6575 "Rx cipher no errors");
6576
6577 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6578 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6579 "Rx cipher ICV errors");
6580
6581 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6582 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6583 "Rx cipher MIC errors");
6584
6585 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6586 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6587 "Rx cipher invalid key errors");
6588 }
6589
6590 static device_method_t rt2870_dev_methods[] =
6591 {
6592 DEVMETHOD(device_probe, rt2870_probe),
6593 DEVMETHOD(device_attach, rt2870_attach),
6594 DEVMETHOD(device_detach, rt2870_detach),
6595 { 0, 0 }
6596 };
6597
6598 static driver_t rt2870_driver =
6599 {
6600 "rt2870",
6601 rt2870_dev_methods,
6602 sizeof(struct rt2870_softc),
6603 };
6604
6605 static devclass_t rt2870_dev_class;
6606
6607 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6608 NULL, 0);
6609
6610 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6611 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870