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Added retry information to Rx debugging message
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blob773c2b65b2843e90a1e0b726173605539775759c
1
2 /*-
3 * Copyright (c) 2009-2010 Alexander Egorenkov <egorenar@gmail.com>
4 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include "rt2870_softc.h"
20 #include "rt2870_reg.h"
21 #include "rt2870_eeprom.h"
22 #include "rt2870_ucode.h"
23 #include "rt2870_rxwi.h"
24 #include "rt2870_rxinfo.h"
25 #include "rt2870_txinfo.h"
26 #include "rt2870_txwi.h"
27 #include "rt2870_read_eeprom.h"
28 #include "rt2870_io.h"
29 #include "rt2870_rf.h"
30 #include "rt2870_led.h"
31 #include "rt2870_debug.h"
32
33 /*
34 * Defines and macros
35 */
36
37 #define USB_PRODUCT_LINKSYS4_WUSB600N 0x0071
38 #define USB_PRODUCT_DLINK2_DWA140 0x3c09
39 #define USB_PRODUCT_DLINK2_DWA160AREVB 0x3c11
40 #define USB_PRODUCT_ASUS_RT2770F 0x1742
41 #define USB_PRODUCT_RALINK_RT2770 0x2770
42
43 #define RT2870_USB_CONFIG_INDEX 0
44 #define RT2870_USB_IFACE_INDEX 0
45
46 #define RT2870_USB_REQ_MAC_READ_MULTI 0x07
47
48 /* packet length + Rx wireless info + Rx info */
49 #define RT2870_RX_DESC_SIZE \
50 (sizeof(uint32_t) + sizeof(struct rt2870_rxwi) + sizeof(struct rt2870_rxinfo))
51
52 /* Tx info + Tx wireless info + max padding */
53 #define RT2870_TX_DESC_SIZE \
54 (sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + 11)
55
56 #define RT2870_MAX_AGG_SIZE 3840
57
58 #define RT2870_USB_RX_BULK_BUFLEN (2048 * 12)
59
60 #define RT2870_NOISE_FLOOR -95
61
62 #define RT2870_AID2WCID(aid) ((aid) & 0xff)
63
64 #define RT2870_ACK_SIZE 14
65
66 #define IEEE80211_HAS_ADDR4(wh) \
67 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
68
69 #define RT2870_MS(_v, _f) (((_v) & _f) >> _f##_S)
70 #define RT2870_SM(_v, _f) (((_v) << _f##_S) & _f)
71
72 #define RT2870_USB_XFER_TIMEOUT 5000
73
74 #define RT2870_TX_WATCHDOG_TIMEOUT 5
75
76 #define RT2870_WCID_RESERVED 0xff
77 #define RT2870_WCID_MCAST 0xf7
78
79 /*
80 * Data structures and types
81 */
82
83 struct rt2870_cmd_argv_nodecleanup
84 {
85 uint8_t staid;
86 };
87
88 struct rt2870_cmd_argv_keyset
89 {
90 enum ieee80211_opmode opmode;
91 struct ieee80211_key key;
92 uint8_t staid;
93 };
94
95 struct rt2870_cmd_argv_keydelete
96 {
97 enum ieee80211_opmode opmode;
98 struct ieee80211_key key;
99 };
100
101 /*
102 * Static function prototypes
103 */
104
105 static void rt2870_init_channels(struct rt2870_softc *sc);
106
107 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
108
109 static void rt2870_init_locked(void *priv);
110
111 static void rt2870_init(void *priv);
112
113 static int rt2870_init_bbp(struct rt2870_softc *sc);
114
115 static void rt2870_stop_locked(void *priv);
116
117 static void rt2870_stop(void *priv);
118
119 static void rt2870_start(struct ifnet *ifp);
120
121 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
122
123 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
124 const char name[IFNAMSIZ], int unit, int opmode, int flags,
125 const uint8_t bssid[IEEE80211_ADDR_LEN],
126 const uint8_t mac[IEEE80211_ADDR_LEN]);
127
128 static void rt2870_vap_delete(struct ieee80211vap *vap);
129
130 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd);
131
132 static int rt2870_vap_newstate(struct ieee80211vap *vap,
133 enum ieee80211_state nstate, int arg);
134
135 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap);
136
137 static void rt2870_vap_key_update_end(struct ieee80211vap *vap);
138
139 static int rt2870_vap_key_set(struct ieee80211vap *vap,
140 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
141
142 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
143 const struct ieee80211_key *k);
144
145 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what);
146
147 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
148 const uint8_t mac[IEEE80211_ADDR_LEN]);
149
150 static void rt2870_node_cleanup(struct ieee80211_node *ni);
151
152 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
153 struct ieee80211_mimo_info *mi);
154
155 static int rt2870_setregdomain(struct ieee80211com *ic,
156 struct ieee80211_regdomain *reg,
157 int nchans, struct ieee80211_channel chans[]);
158
159 static void rt2870_getradiocaps(struct ieee80211com *ic,
160 int maxchans, int *nchans, struct ieee80211_channel chans[]);
161
162 static void rt2870_scan_start(struct ieee80211com *ic);
163
164 static void rt2870_scan_end(struct ieee80211com *ic);
165
166 static void rt2870_set_channel(struct ieee80211com *ic);
167
168 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
169
170 static void rt2870_updateslot(struct ifnet *ifp);
171
172 static void rt2870_update_promisc(struct ifnet *ifp);
173
174 static void rt2870_update_mcast(struct ifnet *ifp);
175
176 static int rt2870_wme_update(struct ieee80211com *ic);
177
178 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
179 const struct ieee80211_bpf_params *params);
180
181 static int rt2870_recv_action(struct ieee80211_node *ni,
182 const struct ieee80211_frame *wh,
183 const uint8_t *frm, const uint8_t *efrm);
184
185 static int rt2870_send_action(struct ieee80211_node *ni,
186 int cat, int act, void *sa);
187
188 static int rt2870_addba_response(struct ieee80211_node *ni,
189 struct ieee80211_tx_ampdu *tap,
190 int status, int baparamset, int batimeout);
191
192 static void rt2870_addba_stop(struct ieee80211_node *ni,
193 struct ieee80211_tx_ampdu *tap);
194
195 static int rt2870_send_bar(struct ieee80211_node *ni,
196 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno);
197
198 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
199
200 static void rt2870_periodic(void *arg);
201
202 static void rt2870_tx_watchdog(void *arg);
203
204 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid);
205
206 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid);
207
208 static int rt2870_do_async(struct rt2870_softc *sc,
209 void (*cb)(struct rt2870_softc *sc, void *arg),
210 void *arg, int len);
211
212 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg);
213
214 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
215
216 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
217
218 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg);
219
220 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
221
222 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
223
224 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
225 const uint8_t *bssid);
226
227 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
228 const uint8_t *addr);
229
230 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
231
232 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
233
234 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
235
236 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
237
238 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
239
240 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
241
242 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
243
244 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
245
246 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
247
248 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
249
250 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
251
252 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
253 struct ieee80211vap *vap);
254
255 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
256
257 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
258 struct ieee80211vap *vap);
259
260 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
261
262 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
263 const struct rt2870_rxwi *rxwi);
264
265 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
266 uint8_t rssi, uint8_t rxpath);
267
268 static uint8_t rt2870_rate2mcs(uint8_t rate);
269
270 static void rt2870_rx_frame(struct rt2870_softc *sc,
271 uint8_t *buf, uint32_t dmalen);
272
273 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
274 struct mbuf *m, struct ieee80211_node *ni, int qid);
275
276 static int rt2870_tx_data(struct rt2870_softc *sc,
277 struct mbuf *m, struct ieee80211_node *ni, int qid);
278
279 static int rt2870_tx_raw(struct rt2870_softc *sc,
280 struct mbuf *m, struct ieee80211_node *ni,
281 const struct ieee80211_bpf_params *params);
282
283 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
284
285 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
286
287 static void rt2870_rx_done_task(void *context, int pending);
288
289 static void rt2870_tx_done_task(void *context, int pending);
290
291 static void rt2870_periodic_task(void *context, int pending);
292
293 static void rt2870_cmd_task(void *context, int pending);
294
295 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
296
297 static void rt2870_tx_eof(struct rt2870_softc *sc,
298 struct rt2870_softc_tx_ring *ring);
299
300 static void rt2870_update_stats(struct rt2870_softc *sc);
301
302 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
303
304 static void rt2870_watchdog(struct rt2870_softc *sc);
305
306 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
307
308 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
309
310 static int rt2870_txrx_enable(struct rt2870_softc *sc);
311
312 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
313 struct rt2870_softc_rx_ring *ring);
314
315 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
316 struct rt2870_softc_rx_ring *ring);
317
318 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
319 struct rt2870_softc_rx_ring *ring);
320
321 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
322 struct rt2870_softc_tx_ring *ring, int qid);
323
324 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
325 struct rt2870_softc_tx_ring *ring);
326
327 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
328 struct rt2870_softc_tx_ring *ring);
329
330 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
331 struct rt2870_softc_cmd_ring *ring);
332
333 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
334
335 /*
336 * Static variables
337 */
338
339 static const struct usb_device_id rt2870_usb_devid[] =
340 {
341 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
342 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
343 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
344 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
345 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
346 };
347
348 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
349 {
350 {
351 .type = UE_BULK,
352 .endpoint = 0x01,
353 .direction = UE_DIR_IN,
354 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
355 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
356 .callback = rt2870_rx_intr,
357 },
358 {
359 .type = UE_BULK,
360 .endpoint = 0x01,
361 .direction = UE_DIR_OUT,
362 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
363 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
364 .callback = rt2870_tx_intr,
365 .timeout = RT2870_USB_XFER_TIMEOUT,
366 },
367 {
368 .type = UE_BULK,
369 .endpoint = 0x02,
370 .direction = UE_DIR_OUT,
371 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
372 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
373 .callback = rt2870_tx_intr,
374 .timeout = RT2870_USB_XFER_TIMEOUT,
375 },
376 {
377 .type = UE_BULK,
378 .endpoint = 0x03,
379 .direction = UE_DIR_OUT,
380 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
381 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
382 .callback = rt2870_tx_intr,
383 .timeout = RT2870_USB_XFER_TIMEOUT,
384 },
385 {
386 .type = UE_BULK,
387 .endpoint = 0x04,
388 .direction = UE_DIR_OUT,
389 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
390 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
391 .callback = rt2870_tx_intr,
392 .timeout = RT2870_USB_XFER_TIMEOUT,
393 },
394 {
395 .type = UE_BULK,
396 .endpoint = 0x05,
397 .direction = UE_DIR_OUT,
398 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
399 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
400 .callback = rt2870_tx_intr,
401 .timeout = RT2870_USB_XFER_TIMEOUT,
402 },
403 {
404 .type = UE_BULK,
405 .endpoint = 0x06,
406 .direction = UE_DIR_OUT,
407 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
408 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
409 .callback = rt2870_tx_intr,
410 .timeout = RT2870_USB_XFER_TIMEOUT,
411 },
412 };
413
414 static const struct
415 {
416 uint32_t reg;
417 uint32_t val;
418 } rt2870_def_mac[] =
419 {
420 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
421 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
422 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
423 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
424 { RT2870_REG_SYS_CTRL, 0x00000000 },
425 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
426 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
427 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
428 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
429 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
430 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
431 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
432 { RT2870_REG_LED_CFG, 0x7f031e46 },
433 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
434 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
435 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
436 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
437 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
438 { RT2870_REG_PBF_CFG, 0x00f40006 },
439 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
440 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
441 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
442 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
443 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
444 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
445 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
446 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
447 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
448 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
449 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
450 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
451 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
452 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
453 };
454
455 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
456
457 static const struct
458 {
459 uint8_t reg;
460 uint8_t val;
461 } rt2870_def_bbp[] =
462 {
463 { 65, 0x2c },
464 { 66, 0x38 },
465 { 69, 0x12 },
466 { 70, 0x0a },
467 { 73, 0x10 },
468 { 81, 0x37 },
469 { 82, 0x62 },
470 { 83, 0x6a },
471 { 84, 0x99 },
472 { 86, 0x00 },
473 { 91, 0x04 },
474 { 92, 0x00 },
475 { 103, 0x00 },
476 { 105, 0x05 },
477 { 106, 0x35 },
478 };
479
480 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
481
482 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
483
484 static int rt2870_tx_stbc = 1;
485 SYSCTL_INT(_hw_rt2870, OID_AUTO, tx_stbc, CTLFLAG_RW, &rt2870_tx_stbc, 0, "rt2870 Tx STBC");
486 TUNABLE_INT("hw.rt2870.tx_stbc", &rt2870_tx_stbc);
487
488 #ifdef RT2870_DEBUG
489 static int rt2870_debug = 0;
490 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
491 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
492 #endif
493
494 /*
495 * rt2870_probe
496 */
497 static int rt2870_probe(device_t dev)
498 {
499 struct usb_attach_arg *uaa;
500
501 uaa = device_get_ivars(dev);
502
503 if (uaa->usb_mode != USB_MODE_HOST)
504 return ENXIO;
505
506 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
507 return ENXIO;
508
509 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
510 return ENXIO;
511
512 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
513 sizeof(rt2870_usb_devid), uaa));
514 }
515
516 /*
517 * rt2870_attach
518 */
519 static int rt2870_attach(device_t dev)
520 {
521 struct rt2870_softc *sc;
522 struct usb_attach_arg *uaa;
523 usb_error_t usb_error;
524 struct ieee80211com *ic;
525 struct ifnet *ifp;
526 struct usb_interface *iface;
527 struct usb_interface_descriptor *iface_desc;
528 uint8_t iface_index;
529 int error, ntries, i;
530
531 sc = device_get_softc(dev);
532 uaa = device_get_ivars(dev);
533
534 sc->dev = dev;
535 sc->usb_dev = uaa->device;
536
537 device_set_usb_desc(dev);
538
539 sc->tx_stbc = rt2870_tx_stbc;
540
541 #ifdef RT2870_DEBUG
542 sc->debug = rt2870_debug;
543
544 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
545 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
546 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
547 #endif
548
549 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
550 "%s: attaching\n",
551 device_get_nameunit(sc->dev));
552
553 iface_index = RT2870_USB_IFACE_INDEX;
554
555 iface = usbd_get_iface(uaa->device, iface_index);
556 if (iface == NULL)
557 {
558 printf("%s: could not get USB interface\n",
559 device_get_nameunit(sc->dev));
560 return ENXIO;
561 }
562
563 iface_desc = usbd_get_interface_descriptor(iface);
564 if (iface_desc == NULL)
565 {
566 printf("%s: could not get USB interface descriptor\n",
567 device_get_nameunit(sc->dev));
568 return ENXIO;
569 }
570
571 sc->usb_endpoints = iface_desc->bNumEndpoints;
572 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
573 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
574 {
575 printf("%s: wrong number of USB endpoints=%d\n",
576 device_get_nameunit(sc->dev), sc->usb_endpoints);
577 return ENXIO;
578 }
579
580 mtx_init(&sc->lock, device_get_nameunit(dev),
581 MTX_NETWORK_LOCK, MTX_DEF);
582
583 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
584 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
585 sc, &sc->lock);
586 if (usb_error != 0)
587 {
588 printf("%s: could not allocate USB transfers: error=%s\n",
589 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
590 error = ENXIO;
591 goto fail;
592 }
593
594 sc->flags |= RT2870_SOFTC_FLAGS_VALID;
595
596 RT2870_SOFTC_LOCK(sc);
597
598 for (ntries = 0; ntries < 100; ntries++)
599 {
600 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
601 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
602 break;
603
604 DELAY(10);
605 }
606
607 if (ntries == 100)
608 {
609 printf("%s: timeout waiting for NIC to initialize\n",
610 device_get_nameunit(sc->dev));
611 error = ENXIO;
612 goto fail;
613 }
614
615 rt2870_read_eeprom(sc);
616
617 RT2870_SOFTC_UNLOCK(sc);
618
619 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
620 device_get_nameunit(sc->dev), sc->mac_rev,
621 rt2870_rf_name(sc->rf_rev));
622
623 RT2870_SOFTC_LOCK(sc);
624
625 /* clear key tables */
626
627 rt2870_asic_clear_keytables(sc);
628
629 RT2870_SOFTC_UNLOCK(sc);
630
631 /* allocate Tx and Rx rings */
632
633 for (i = 0; i < sc->usb_endpoints - 1; i++)
634 {
635 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
636 if (error != 0)
637 {
638 printf("%s: could not allocate Tx ring #%d\n",
639 device_get_nameunit(sc->dev), i);
640 goto fail;
641 }
642 }
643
644 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
645 sc->tx_ring_mgtqid = 5;
646 else
647 sc->tx_ring_mgtqid = 0;
648
649 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
650 if (error != 0)
651 {
652 printf("%s: could not allocate Rx ring\n",
653 device_get_nameunit(sc->dev));
654 goto fail;
655 }
656
657 callout_init(&sc->periodic_ch, 0);
658 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
659
660 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
661 if (ifp == NULL)
662 {
663 printf("%s: could not if_alloc()\n",
664 device_get_nameunit(sc->dev));
665 error = ENOMEM;
666 goto fail;
667 }
668
669 ifp->if_softc = sc;
670
671 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
672
673 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
674
675 ifp->if_init = rt2870_init;
676 ifp->if_ioctl = rt2870_ioctl;
677 ifp->if_start = rt2870_start;
678
679 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
680 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
681 IFQ_SET_READY(&ifp->if_snd);
682
683 ic = ifp->if_l2com;
684
685 ic->ic_ifp = ifp;
686
687 ic->ic_phytype = IEEE80211_T_HT;
688 ic->ic_opmode = IEEE80211_M_STA;
689
690 ic->ic_caps = IEEE80211_C_MONITOR |
691 IEEE80211_C_IBSS |
692 IEEE80211_C_STA |
693 IEEE80211_C_AHDEMO |
694 IEEE80211_C_HOSTAP |
695 IEEE80211_C_WDS |
696 IEEE80211_C_MBSS |
697 IEEE80211_C_BGSCAN |
698 IEEE80211_C_TXPMGT |
699 IEEE80211_C_SHPREAMBLE |
700 IEEE80211_C_SHSLOT |
701 IEEE80211_C_TXFRAG |
702 IEEE80211_C_BURST |
703 IEEE80211_C_WME |
704 IEEE80211_C_WPA;
705
706 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
707 IEEE80211_CRYPTO_TKIP |
708 IEEE80211_CRYPTO_TKIPMIC |
709 IEEE80211_CRYPTO_AES_CCM;
710
711 ic->ic_htcaps = IEEE80211_HTC_HT |
712 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
713 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
714 IEEE80211_HTC_SMPS | /* MIMO power save */
715 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
716 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
717 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
718 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
719 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
720 IEEE80211_HTCAP_SMPS_OFF; /* MIMO power save disabled */
721
722 /* spatial streams */
723
724 if (sc->nrxpath == 2)
725 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
726 else if (sc->nrxpath == 3)
727 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
728 else
729 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
730
731 if (sc->ntxpath > 1)
732 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
733
734 /* delayed BA */
735
736 if (sc->mac_rev != 0x28600100)
737 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
738
739 /* init channels */
740
741 ic->ic_nchans = 0;
742
743 rt2870_init_channels(sc);
744
745 rt2870_init_channels_ht40(sc);
746
747 ieee80211_ifattach(ic, sc->mac_addr);
748
749 ic->ic_vap_create = rt2870_vap_create;
750 ic->ic_vap_delete = rt2870_vap_delete;
751
752 ic->ic_node_alloc = rt2870_node_alloc;
753
754 sc->node_cleanup = ic->ic_node_cleanup;
755 ic->ic_node_cleanup = rt2870_node_cleanup;
756
757 ic->ic_node_getmimoinfo = rt2870_node_getmimoinfo;
758 ic->ic_setregdomain = rt2870_setregdomain;
759 ic->ic_getradiocaps = rt2870_getradiocaps;
760 ic->ic_scan_start = rt2870_scan_start;
761 ic->ic_scan_end = rt2870_scan_end;
762 ic->ic_set_channel = rt2870_set_channel;
763 ic->ic_newassoc = rt2870_newassoc;
764 ic->ic_updateslot = rt2870_updateslot;
765 ic->ic_update_promisc = rt2870_update_promisc;
766 ic->ic_update_mcast = rt2870_update_mcast;
767 ic->ic_wme.wme_update = rt2870_wme_update;
768 ic->ic_raw_xmit = rt2870_raw_xmit;
769
770 sc->recv_action = ic->ic_recv_action;
771 ic->ic_recv_action = rt2870_recv_action;
772
773 sc->send_action = ic->ic_send_action;
774 ic->ic_send_action = rt2870_send_action;
775
776 sc->addba_response = ic->ic_addba_response;
777 ic->ic_addba_response = rt2870_addba_response;
778
779 sc->addba_stop = ic->ic_addba_stop;
780 ic->ic_addba_stop = rt2870_addba_stop;
781
782 /* hardware requires padding between 802.11 frame header and body */
783
784 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
785
786 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
787
788 ieee80211_radiotap_attach(ic,
789 &sc->txtap.ihdr, sizeof(sc->txtap),
790 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
791 &sc->rxtap.ihdr, sizeof(sc->rxtap),
792 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
793
794 /* init task queue */
795
796 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
797 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
798 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
799 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
800
801 sc->rx_process_limit = 100;
802
803 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
804 taskqueue_thread_enqueue, &sc->taskqueue);
805
806 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
807 device_get_nameunit(sc->dev));
808
809 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
810
811 rt2870_sysctl_attach(sc);
812
813 if (bootverbose)
814 ieee80211_announce(ic);
815
816 return 0;
817
818 fail:
819
820 /* stop all USB transfers */
821
822 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
823
824 /* free Tx and Rx rings */
825
826 for (i = 0; i < sc->usb_endpoints - 1; i++)
827 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
828
829 rt2870_free_rx_ring(sc, &sc->rx_ring);
830
831 mtx_destroy(&sc->lock);
832
833 return error;
834 }
835
836 /*
837 * rt2870_detach
838 */
839 static int rt2870_detach(device_t dev)
840 {
841 struct rt2870_softc *sc;
842 struct ieee80211com *ic;
843 struct ifnet *ifp;
844 int i;
845
846 if (!device_is_attached(dev))
847 return 0;
848
849 sc = device_get_softc(dev);
850 ifp = sc->ifp;
851 ic = ifp->if_l2com;
852
853 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
854 "%s: detaching\n",
855 device_get_nameunit(sc->dev));
856
857 RT2870_SOFTC_LOCK(sc);
858
859 sc->flags &= ~RT2870_SOFTC_FLAGS_VALID;
860
861 sc->tx_timer = 0;
862
863 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
864
865 callout_stop(&sc->periodic_ch);
866 callout_stop(&sc->tx_watchdog_ch);
867
868 RT2870_SOFTC_UNLOCK(sc);
869
870 taskqueue_block(sc->taskqueue);
871
872 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
873 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
874 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
875 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
876
877 /* stop all USB transfers */
878
879 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
880
881 RT2870_SOFTC_LOCK(sc);
882
883 /* free Tx and Rx rings */
884
885 for (i = 0; i < sc->usb_endpoints - 1; i++)
886 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
887
888 rt2870_free_rx_ring(sc, &sc->rx_ring);
889
890 RT2870_SOFTC_UNLOCK(sc);
891
892 ieee80211_ifdetach(ic);
893
894 if_free(ifp);
895
896 taskqueue_free(sc->taskqueue);
897
898 mtx_destroy(&sc->lock);
899
900 return 0;
901 }
902
903 /*
904 * rt2870_init_channels
905 */
906 static void rt2870_init_channels(struct rt2870_softc *sc)
907 {
908 struct ifnet *ifp;
909 struct ieee80211com *ic;
910 struct ieee80211_channel *c;
911 int i, flags;
912
913 ifp = sc->ifp;
914 ic = ifp->if_l2com;
915
916 /* set supported channels for 2GHz band */
917
918 for (i = 1; i <= 14; i++)
919 {
920 c = &ic->ic_channels[ic->ic_nchans++];
921 flags = IEEE80211_CHAN_B;
922
923 c->ic_freq = ieee80211_ieee2mhz(i, flags);
924 c->ic_ieee = i;
925 c->ic_flags = flags;
926
927 c = &ic->ic_channels[ic->ic_nchans++];
928 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
929
930 c->ic_freq = ieee80211_ieee2mhz(i, flags);
931 c->ic_ieee = i;
932 c->ic_flags = flags;
933
934 c = &ic->ic_channels[ic->ic_nchans++];
935 flags = IEEE80211_CHAN_G;
936
937 c->ic_freq = ieee80211_ieee2mhz(i, flags);
938 c->ic_ieee = i;
939 c->ic_flags = flags;
940
941 c = &ic->ic_channels[ic->ic_nchans++];
942 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
943
944 c->ic_freq = ieee80211_ieee2mhz(i, flags);
945 c->ic_ieee = i;
946 c->ic_flags = flags;
947 }
948
949 /* set supported channels for 5GHz band */
950
951 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
952 sc->rf_rev == RT2870_EEPROM_RF_2750)
953 {
954 for (i = 36; i <= 64; i += 4)
955 {
956 c = &ic->ic_channels[ic->ic_nchans++];
957 flags = IEEE80211_CHAN_A;
958
959 c->ic_freq = ieee80211_ieee2mhz(i, flags);
960 c->ic_ieee = i;
961 c->ic_flags = flags;
962
963 c = &ic->ic_channels[ic->ic_nchans++];
964 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
965
966 c->ic_freq = ieee80211_ieee2mhz(i, flags);
967 c->ic_ieee = i;
968 c->ic_flags = flags;
969 }
970
971 for (i = 100; i <= 140; 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 = 149; i <= 165; 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 }
1006
1007 /*
1008 * rt2870_init_channels_ht40
1009 */
1010 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
1011 {
1012 struct ifnet *ifp;
1013 struct ieee80211com *ic;
1014 struct ieee80211_channel *c, *cent, *ext;
1015 int i, flags;
1016
1017 ifp = sc->ifp;
1018 ic = ifp->if_l2com;
1019
1020 /* set supported channels for 2GHz band */
1021
1022 for (i = 1; i <= 14; i++)
1023 {
1024 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1025
1026 /* find the center channel */
1027
1028 cent = ieee80211_find_channel_byieee(ic, i,
1029 flags & ~IEEE80211_CHAN_HT);
1030 if (cent == NULL)
1031 {
1032 printf("%s: skip channel %d, could not find center channel\n",
1033 device_get_nameunit(sc->dev), i);
1034 continue;
1035 }
1036
1037 /* find the extension channel */
1038
1039 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1040 flags & ~IEEE80211_CHAN_HT);
1041 if (ext == NULL)
1042 {
1043 printf("%s: skip channel %d, could not find extension channel\n",
1044 device_get_nameunit(sc->dev), i);
1045 continue;
1046 }
1047
1048 c = &ic->ic_channels[ic->ic_nchans++];
1049
1050 *c = *cent;
1051 c->ic_extieee = ext->ic_ieee;
1052 c->ic_flags &= ~IEEE80211_CHAN_HT;
1053 c->ic_flags |= IEEE80211_CHAN_HT40U;
1054
1055 c = &ic->ic_channels[ic->ic_nchans++];
1056
1057 *c = *ext;
1058 c->ic_extieee = cent->ic_ieee;
1059 c->ic_flags &= ~IEEE80211_CHAN_HT;
1060 c->ic_flags |= IEEE80211_CHAN_HT40D;
1061 }
1062
1063 /* set supported channels for 5GHz band */
1064
1065 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1066 sc->rf_rev == RT2870_EEPROM_RF_2750)
1067 {
1068 for (i = 36; i <= 64; i += 4)
1069 {
1070 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1071
1072 /* find the center channel */
1073
1074 cent = ieee80211_find_channel_byieee(ic, i,
1075 flags & ~IEEE80211_CHAN_HT);
1076 if (cent == NULL)
1077 {
1078 printf("%s: skip channel %d, could not find center channel\n",
1079 device_get_nameunit(sc->dev), i);
1080 continue;
1081 }
1082
1083 /* find the extension channel */
1084
1085 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1086 flags & ~IEEE80211_CHAN_HT);
1087 if (ext == NULL)
1088 {
1089 printf("%s: skip channel %d, could not find extension channel\n",
1090 device_get_nameunit(sc->dev), i);
1091 continue;
1092 }
1093
1094 c = &ic->ic_channels[ic->ic_nchans++];
1095
1096 *c = *cent;
1097 c->ic_extieee = ext->ic_ieee;
1098 c->ic_flags &= ~IEEE80211_CHAN_HT;
1099 c->ic_flags |= IEEE80211_CHAN_HT40U;
1100
1101 c = &ic->ic_channels[ic->ic_nchans++];
1102
1103 *c = *ext;
1104 c->ic_extieee = cent->ic_ieee;
1105 c->ic_flags &= ~IEEE80211_CHAN_HT;
1106 c->ic_flags |= IEEE80211_CHAN_HT40D;
1107 }
1108
1109 for (i = 100; i <= 140; i += 4)
1110 {
1111 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1112
1113 /* find the center channel */
1114
1115 cent = ieee80211_find_channel_byieee(ic, i,
1116 flags & ~IEEE80211_CHAN_HT);
1117 if (cent == NULL)
1118 {
1119 printf("%s: skip channel %d, could not find center channel\n",
1120 device_get_nameunit(sc->dev), i);
1121 continue;
1122 }
1123
1124 /* find the extension channel */
1125
1126 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1127 flags & ~IEEE80211_CHAN_HT);
1128 if (ext == NULL)
1129 {
1130 printf("%s: skip channel %d, could not find extension channel\n",
1131 device_get_nameunit(sc->dev), i);
1132 continue;
1133 }
1134
1135 c = &ic->ic_channels[ic->ic_nchans++];
1136
1137 *c = *cent;
1138 c->ic_extieee = ext->ic_ieee;
1139 c->ic_flags &= ~IEEE80211_CHAN_HT;
1140 c->ic_flags |= IEEE80211_CHAN_HT40U;
1141
1142 c = &ic->ic_channels[ic->ic_nchans++];
1143
1144 *c = *ext;
1145 c->ic_extieee = cent->ic_ieee;
1146 c->ic_flags &= ~IEEE80211_CHAN_HT;
1147 c->ic_flags |= IEEE80211_CHAN_HT40D;
1148 }
1149
1150 for (i = 149; i <= 165; i += 4)
1151 {
1152 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1153
1154 /* find the center channel */
1155
1156 cent = ieee80211_find_channel_byieee(ic, i,
1157 flags & ~IEEE80211_CHAN_HT);
1158 if (cent == NULL)
1159 {
1160 printf("%s: skip channel %d, could not find center channel\n",
1161 device_get_nameunit(sc->dev), i);
1162 continue;
1163 }
1164
1165 /* find the extension channel */
1166
1167 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1168 flags & ~IEEE80211_CHAN_HT);
1169 if (ext == NULL)
1170 {
1171 printf("%s: skip channel %d, could not find extension channel\n",
1172 device_get_nameunit(sc->dev), i);
1173 continue;
1174 }
1175
1176 c = &ic->ic_channels[ic->ic_nchans++];
1177
1178 *c = *cent;
1179 c->ic_extieee = ext->ic_ieee;
1180 c->ic_flags &= ~IEEE80211_CHAN_HT;
1181 c->ic_flags |= IEEE80211_CHAN_HT40U;
1182
1183 c = &ic->ic_channels[ic->ic_nchans++];
1184
1185 *c = *ext;
1186 c->ic_extieee = cent->ic_ieee;
1187 c->ic_flags &= ~IEEE80211_CHAN_HT;
1188 c->ic_flags |= IEEE80211_CHAN_HT40D;
1189 }
1190 }
1191 }
1192
1193 /*
1194 * rt2870_init_locked
1195 */
1196 static void rt2870_init_locked(void *priv)
1197 {
1198 struct rt2870_softc *sc;
1199 struct ifnet *ifp;
1200 struct ieee80211com *ic;
1201 int ntries, error, i;
1202 uint32_t tmp, stacnt[6];
1203
1204 sc = priv;
1205 ifp = sc->ifp;
1206 ic = ifp->if_l2com;
1207
1208 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1209 "%s: initializing\n",
1210 device_get_nameunit(sc->dev));
1211
1212 RT2870_SOFTC_ASSERT_LOCKED(sc);
1213
1214 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1215 {
1216 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1217 "%s: loading 8051 microcode\n",
1218 device_get_nameunit(sc->dev));
1219
1220 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1221 if (error != 0)
1222 {
1223 printf("%s: could not load 8051 microcode\n",
1224 device_get_nameunit(sc->dev));
1225 goto fail;
1226 }
1227
1228 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1229 "%s: 8051 microcode was successfully loaded\n",
1230 device_get_nameunit(sc->dev));
1231
1232 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1233 }
1234
1235 /* wait while DMA engine is busy */
1236
1237 for (ntries = 0; ntries < 100; ntries++)
1238 {
1239 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1240 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1241 break;
1242
1243 DELAY(1000);
1244 }
1245
1246 if (ntries == 100)
1247 {
1248 printf("%s: timeout waiting for DMA engine\n",
1249 device_get_nameunit(sc->dev));
1250 goto fail;
1251 }
1252
1253 tmp &= 0xff0;
1254 tmp |= RT2870_REG_TX_WB_DDONE;
1255
1256 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1257
1258 /* PBF hardware reset */
1259
1260 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1261
1262 tmp &= ~(1 << 13);
1263
1264 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1265
1266 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1267 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1268
1269 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1270
1271 rt2870_io_mcu_reset(sc);
1272
1273 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1274
1275 /* init Tx power per rate */
1276
1277 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1278 {
1279 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1280 continue;
1281
1282 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1283 sc->txpow_rate_20mhz[i]);
1284 }
1285
1286 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1287 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1288 rt2870_def_mac[i].val);
1289
1290 /* wait while MAC is busy */
1291
1292 for (ntries = 0; ntries < 100; ntries++)
1293 {
1294 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1295 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1296 break;
1297
1298 DELAY(1000);
1299 }
1300
1301 if (ntries == 100)
1302 {
1303 printf("%s: timeout waiting for MAC\n",
1304 device_get_nameunit(sc->dev));
1305 goto fail;
1306 }
1307
1308 /* clear Host to MCU mailbox */
1309
1310 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1311 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1312
1313 DELAY(1000);
1314
1315 error = rt2870_init_bbp(sc);
1316 if (error != 0)
1317 goto fail;
1318
1319 /* set up maximum buffer sizes */
1320
1321 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1322
1323 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1324
1325 if (sc->mac_rev == 0x28720200)
1326 {
1327 /* set max. PSDU length from 16K to 32K bytes */
1328
1329 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1330
1331 tmp &= ~(3 << 12);
1332 tmp |= (2 << 12);
1333
1334 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1335 }
1336
1337 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1338 {
1339 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1340
1341 tmp &= 0xfff;
1342 tmp |= 0x2000;
1343
1344 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1345 }
1346
1347 /* set mac address */
1348
1349 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1350
1351 /* clear statistic registers */
1352
1353 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1354 stacnt, sizeof(stacnt));
1355
1356 /* send LEDs operating mode to microcontroller */
1357
1358 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1359 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1360 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1361 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1362 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1363 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1364
1365 /* write vendor-specific BBP values (from EEPROM) */
1366
1367 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1368 {
1369 if (sc->bbp_eeprom[i].reg == 0x00 ||
1370 sc->bbp_eeprom[i].reg == 0xff)
1371 continue;
1372
1373 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1374 sc->bbp_eeprom[i].val);
1375 }
1376
1377 /* disable non-existing Rx chains */
1378
1379 tmp = rt2870_io_bbp_read(sc, 3);
1380
1381 tmp &= ~((1 << 4) | (1 << 3));
1382
1383 if (sc->nrxpath == 3)
1384 tmp |= (1 << 4);
1385 else if (sc->nrxpath == 2)
1386 tmp |= (1 << 3);
1387
1388 rt2870_io_bbp_write(sc, 3, tmp);
1389
1390 /* disable non-existing Tx chains */
1391
1392 tmp = rt2870_io_bbp_read(sc, 1);
1393
1394 tmp &= ~((1 << 4) | (1 << 3));
1395
1396 if (sc->ntxpath == 2)
1397 tmp |= (1 << 4);
1398
1399 rt2870_io_bbp_write(sc, 1, tmp);
1400
1401 /* set current channel */
1402
1403 rt2870_rf_set_chan(sc, ic->ic_curchan);
1404
1405 /* turn radio LED on */
1406
1407 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1408
1409 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1410 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1411
1412 /* set RTS threshold */
1413
1414 rt2870_asic_update_rtsthreshold(sc);
1415
1416 /* set Tx power */
1417
1418 rt2870_asic_update_txpower(sc);
1419
1420 /* set up protection mode */
1421
1422 sc->tx_ampdu_sessions = 0;
1423
1424 rt2870_asic_updateprot(sc);
1425
1426 /* clear beacon frame space (entries = 8, entry size = 512) */
1427
1428 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1429
1430 if (rt2870_txrx_enable(sc) != 0)
1431 goto fail;
1432
1433 /* clear garbage interrupts */
1434
1435 tmp = rt2870_io_mac_read(sc, 0x1300);
1436
1437 taskqueue_unblock(sc->taskqueue);
1438
1439 /* init Tx and Rx rings */
1440
1441 for(i = 0; i < sc->usb_endpoints - 1; i++)
1442 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1443
1444 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1445
1446 for(i = 0; i < sc->usb_endpoints - 1; i++)
1447 {
1448 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1449 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1450 }
1451
1452 /* start up the receive pipe */
1453
1454 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1455 usbd_transfer_start(sc->usb_xfer[0]);
1456
1457 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1458 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1459
1460 sc->periodic_round = 0;
1461
1462 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1463
1464 return;
1465
1466 fail:
1467
1468 rt2870_stop_locked(sc);
1469 }
1470
1471 /*
1472 * rt2870_init
1473 */
1474 static void rt2870_init(void *priv)
1475 {
1476 struct rt2870_softc *sc;
1477
1478 sc = priv;
1479
1480 RT2870_SOFTC_LOCK(sc);
1481
1482 rt2870_init_locked(sc);
1483
1484 RT2870_SOFTC_UNLOCK(sc);
1485 }
1486
1487 /*
1488 * rt2870_init_bbp
1489 */
1490 static int rt2870_init_bbp(struct rt2870_softc *sc)
1491 {
1492 int ntries, i;
1493 uint8_t tmp;
1494
1495 for (ntries = 0; ntries < 20; ntries++)
1496 {
1497 tmp = rt2870_io_bbp_read(sc, 0);
1498 if (tmp != 0x00 && tmp != 0xff)
1499 break;
1500 }
1501
1502 if (tmp == 0x00 || tmp == 0xff)
1503 {
1504 printf("%s: timeout waiting for BBP to wakeup\n",
1505 device_get_nameunit(sc->dev));
1506 return ETIMEDOUT;
1507 }
1508
1509 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1510 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1511 rt2870_def_bbp[i].val);
1512
1513 if ((sc->mac_rev & 0xffff) != 0x0101)
1514 rt2870_io_bbp_write(sc, 84, 0x19);
1515
1516 if (sc->mac_rev == 0x28600100)
1517 {
1518 rt2870_io_bbp_write(sc, 69, 0x16);
1519 rt2870_io_bbp_write(sc, 73, 0x12);
1520 }
1521
1522 return 0;
1523 }
1524
1525 /*
1526 * rt2870_stop_locked
1527 */
1528 static void rt2870_stop_locked(void *priv)
1529 {
1530 struct rt2870_softc *sc;
1531 struct ifnet *ifp;
1532 struct ieee80211com *ic;
1533 uint32_t tmp;
1534 int i;
1535
1536 sc = priv;
1537 ifp = sc->ifp;
1538 ic = ifp->if_l2com;
1539
1540 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1541 "%s: stopping\n",
1542 device_get_nameunit(sc->dev));
1543
1544 RT2870_SOFTC_ASSERT_LOCKED(sc);
1545
1546 sc->tx_timer = 0;
1547
1548 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1549 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1550
1551 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1552
1553 callout_stop(&sc->periodic_ch);
1554 callout_stop(&sc->tx_watchdog_ch);
1555
1556 RT2870_SOFTC_UNLOCK(sc);
1557
1558 taskqueue_block(sc->taskqueue);
1559
1560 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1561 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1562 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1563 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1564
1565 RT2870_SOFTC_LOCK(sc);
1566
1567 /* clear key tables */
1568
1569 rt2870_asic_clear_keytables(sc);
1570
1571 /* disable Tx/Rx */
1572
1573 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1574
1575 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1576
1577 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1578
1579 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1580
1581 /* reset adapter */
1582
1583 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1584 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1585 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1586
1587 /* abort any pending transfers */
1588
1589 for (i = 0; i < sc->usb_endpoints; i++)
1590 usbd_transfer_stop(sc->usb_xfer[i]);
1591 }
1592
1593 /*
1594 * rt2870_stop
1595 */
1596 static void rt2870_stop(void *priv)
1597 {
1598 struct rt2870_softc *sc;
1599
1600 sc = priv;
1601
1602 RT2870_SOFTC_LOCK(sc);
1603
1604 rt2870_stop_locked(sc);
1605
1606 RT2870_SOFTC_UNLOCK(sc);
1607 }
1608
1609 /*
1610 * rt2870_start
1611 */
1612 static void rt2870_start(struct ifnet *ifp)
1613 {
1614 struct rt2870_softc *sc;
1615 struct ieee80211_node *ni;
1616 struct mbuf *m;
1617 int qid;
1618
1619 sc = ifp->if_softc;
1620
1621 RT2870_SOFTC_LOCK(sc);
1622
1623 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1624 {
1625 RT2870_SOFTC_UNLOCK(sc);
1626 return;
1627 }
1628
1629 for (;;)
1630 {
1631 IF_POLL(&ifp->if_snd, m);
1632 if (m == NULL)
1633 break;
1634
1635 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1636
1637 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1638
1639 qid = M_WME_GETAC(m);
1640
1641 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1642 {
1643 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1644 "%s: if_start: Tx ring with qid=%d is full\n",
1645 device_get_nameunit(sc->dev), qid);
1646
1647 m_freem(m);
1648 ieee80211_free_node(ni);
1649
1650 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1651 ifp->if_oerrors++;
1652
1653 sc->tx_data_queue_full[qid]++;
1654
1655 break;
1656 }
1657
1658 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1659 {
1660 ieee80211_free_node(ni);
1661 ifp->if_oerrors++;
1662 break;
1663 }
1664
1665 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1666
1667 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1668 }
1669
1670 RT2870_SOFTC_UNLOCK(sc);
1671 }
1672
1673 /*
1674 * rt2870_ioctl
1675 */
1676 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1677 {
1678 struct rt2870_softc *sc;
1679 struct ieee80211com *ic;
1680 struct ifreq *ifr;
1681 int error, startall;
1682
1683 sc = ifp->if_softc;
1684 ic = ifp->if_l2com;
1685 ifr = (struct ifreq *) data;
1686
1687 error = 0;
1688
1689 switch (cmd)
1690 {
1691 case SIOCSIFFLAGS:
1692 startall = 0;
1693
1694 RT2870_SOFTC_LOCK(sc);
1695
1696 if (ifp->if_flags & IFF_UP)
1697 {
1698 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1699 {
1700 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1701 rt2870_asic_update_promisc(sc);
1702 }
1703 else
1704 {
1705 rt2870_init_locked(sc);
1706 startall = 1;
1707 }
1708 }
1709 else
1710 {
1711 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1712 rt2870_stop_locked(sc);
1713 }
1714
1715 sc->if_flags = ifp->if_flags;
1716
1717 RT2870_SOFTC_UNLOCK(sc);
1718
1719 if (startall)
1720 ieee80211_start_all(ic);
1721 break;
1722
1723 case SIOCGIFMEDIA:
1724 case SIOCSIFMEDIA:
1725 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1726 break;
1727
1728 case SIOCGIFADDR:
1729 error = ether_ioctl(ifp, cmd, data);
1730 break;
1731
1732 default:
1733 error = EINVAL;
1734 break;
1735 }
1736
1737 return error;
1738 }
1739
1740 /*
1741 * rt2870_vap_create
1742 */
1743 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1744 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1745 const uint8_t bssid[IEEE80211_ADDR_LEN],
1746 const uint8_t mac[IEEE80211_ADDR_LEN])
1747 {
1748 struct rt2870_softc *sc;
1749 struct ifnet *ifp;
1750 struct rt2870_softc_vap *rvap;
1751 struct ieee80211vap *vap;
1752
1753 ifp = ic->ic_ifp;
1754 sc = ifp->if_softc;
1755
1756 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1757 "%s: VAP create: opmode=%s\n",
1758 device_get_nameunit(sc->dev),
1759 ieee80211_opmode_name[opmode]);
1760
1761 switch (opmode)
1762 {
1763 case IEEE80211_M_IBSS:
1764 case IEEE80211_M_STA:
1765 case IEEE80211_M_AHDEMO:
1766 case IEEE80211_M_HOSTAP:
1767 case IEEE80211_M_MBSS:
1768 if ((sc->napvaps + sc->nadhocvaps + sc->nstavaps) != 0)
1769 {
1770 if_printf(ifp, "only 1 VAP supported\n");
1771 return NULL;
1772 }
1773
1774 if (opmode == IEEE80211_M_STA)
1775 flags |= IEEE80211_CLONE_NOBEACONS;
1776 break;
1777
1778 case IEEE80211_M_WDS:
1779 if (sc->napvaps == 0)
1780 {
1781 if_printf(ifp, "WDS only supported in AP mode\n");
1782 return NULL;
1783 }
1784 break;
1785
1786 case IEEE80211_M_MONITOR:
1787 break;
1788
1789 default:
1790 if_printf(ifp, "unknown opmode %d\n", opmode);
1791 return NULL;
1792 }
1793
1794 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1795 M_80211_VAP, M_NOWAIT | M_ZERO);
1796 if (rvap == NULL)
1797 return NULL;
1798
1799 vap = &rvap->vap;
1800
1801 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1802
1803 rvap->newstate = vap->iv_newstate;
1804 vap->iv_newstate = rt2870_vap_newstate;
1805
1806 vap->iv_reset = rt2870_vap_reset;
1807 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1808 vap->iv_key_update_end = rt2870_vap_key_update_end;
1809 vap->iv_key_set = rt2870_vap_key_set;
1810 vap->iv_key_delete = rt2870_vap_key_delete;
1811 vap->iv_update_beacon = rt2870_vap_update_beacon;
1812
1813 rt2870_amrr_init(&rvap->amrr, vap,
1814 sc->ntxpath,
1815 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1816 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1817 500);
1818
1819 vap->iv_max_aid = RT2870_SOFTC_STAID_COUNT;
1820
1821 /* override default Rx A-MPDU factor */
1822
1823 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1824 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
1825 vap->iv_ampdu_limit = vap->iv_ampdu_rxmax;
1826
1827 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1828
1829 switch (vap->iv_opmode)
1830 {
1831 case IEEE80211_M_HOSTAP:
1832 case IEEE80211_M_MBSS:
1833 case IEEE80211_M_AHDEMO:
1834 sc->napvaps++;
1835 break;
1836
1837 case IEEE80211_M_IBSS:
1838 sc->nadhocvaps++;
1839 break;
1840
1841 case IEEE80211_M_STA:
1842 sc->nstavaps++;
1843 break;
1844
1845 case IEEE80211_M_WDS:
1846 sc->nwdsvaps++;
1847 break;
1848
1849 default:
1850 break;
1851 }
1852
1853 sc->nvaps++;
1854
1855 if (sc->napvaps > 0)
1856 ic->ic_opmode = IEEE80211_M_HOSTAP;
1857 else if (sc->nadhocvaps > 0)
1858 ic->ic_opmode = IEEE80211_M_IBSS;
1859 else if (sc->nstavaps > 0)
1860 ic->ic_opmode = IEEE80211_M_STA;
1861 else
1862 ic->ic_opmode = opmode;
1863
1864 return vap;
1865 }
1866
1867 /*
1868 * rt2870_vap_delete
1869 */
1870 static void rt2870_vap_delete(struct ieee80211vap *vap)
1871 {
1872 struct rt2870_softc *sc;
1873 struct ieee80211com *ic;
1874 struct ifnet *ifp;
1875 struct rt2870_softc_vap *rvap;
1876 enum ieee80211_opmode opmode;
1877
1878 ic = vap->iv_ic;
1879 ifp = ic->ic_ifp;
1880 sc = ifp->if_softc;
1881 rvap = (struct rt2870_softc_vap *) vap;
1882 opmode = vap->iv_opmode;
1883
1884 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1885 "%s: VAP delete: opmode=%s\n",
1886 device_get_nameunit(sc->dev),
1887 ieee80211_opmode_name[opmode]);
1888
1889 rt2870_amrr_cleanup(&rvap->amrr);
1890
1891 ieee80211_vap_detach(vap);
1892
1893 if (rvap->beacon_mbuf != NULL)
1894 {
1895 m_free(rvap->beacon_mbuf);
1896 rvap->beacon_mbuf = NULL;
1897 }
1898
1899 switch (opmode)
1900 {
1901 case IEEE80211_M_HOSTAP:
1902 case IEEE80211_M_MBSS:
1903 case IEEE80211_M_AHDEMO:
1904 sc->napvaps--;
1905 break;
1906
1907 case IEEE80211_M_IBSS:
1908 sc->nadhocvaps--;
1909 break;
1910
1911 case IEEE80211_M_STA:
1912 sc->nstavaps--;
1913 break;
1914
1915 case IEEE80211_M_WDS:
1916 sc->nwdsvaps--;
1917 break;
1918
1919 default:
1920 break;
1921 }
1922
1923 sc->nvaps--;
1924
1925 if (sc->napvaps > 0)
1926 ic->ic_opmode = IEEE80211_M_HOSTAP;
1927 else if (sc->nadhocvaps > 0)
1928 ic->ic_opmode = IEEE80211_M_IBSS;
1929 else if (sc->nstavaps > 0)
1930 ic->ic_opmode = IEEE80211_M_STA;
1931
1932 free(rvap, M_80211_VAP);
1933 }
1934
1935 /*
1936 * rt2870_reset_vap
1937 */
1938 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1939 {
1940 struct rt2870_softc *sc;
1941 struct ieee80211com *ic;
1942 struct ifnet *ifp;
1943 struct rt2870_softc_vap *rvap;
1944 int error;
1945
1946 ic = vap->iv_ic;
1947 ifp = ic->ic_ifp;
1948 sc = ifp->if_softc;
1949 rvap = (struct rt2870_softc_vap *) vap;
1950
1951 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1952 "%s: VAP reset: cmd=%lu\n",
1953 device_get_nameunit(sc->dev), cmd);
1954
1955 error = 0;
1956
1957 RT2870_SOFTC_LOCK(sc);
1958
1959 switch (cmd)
1960 {
1961 case IEEE80211_IOC_RTSTHRESHOLD:
1962 case IEEE80211_IOC_AMSDU:
1963 rt2870_asic_update_rtsthreshold(sc);
1964 break;
1965
1966 case IEEE80211_IOC_PROTMODE:
1967 case IEEE80211_IOC_HTPROTMODE:
1968 rt2870_asic_updateprot(sc);
1969 break;
1970
1971 case IEEE80211_IOC_TXPOWER:
1972 rt2870_asic_update_txpower(sc);
1973 break;
1974
1975 case IEEE80211_IOC_BURST:
1976 rt2870_asic_updateslot(sc);
1977 break;
1978
1979 case IEEE80211_IOC_SHORTGI:
1980 case IEEE80211_IOC_AMPDU_DENSITY:
1981 case IEEE80211_IOC_SMPS:
1982 break;
1983
1984 default:
1985 error = ENETRESET;
1986 break;
1987 }
1988
1989 RT2870_SOFTC_UNLOCK(sc);
1990
1991 return error;
1992 }
1993
1994 /*
1995 * rt2870_vap_newstate
1996 */
1997 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1998 enum ieee80211_state nstate, int arg)
1999 {
2000 struct rt2870_softc *sc;
2001 struct ieee80211com *ic;
2002 struct ifnet *ifp;
2003 struct rt2870_softc_vap *rvap;
2004 struct ieee80211_node *ni;
2005 int error;
2006
2007 ic = vap->iv_ic;
2008 ifp = ic->ic_ifp;
2009 sc = ifp->if_softc;
2010 rvap = (struct rt2870_softc_vap *) vap;
2011
2012 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2013 "%s: VAP newstate: %s -> %s\n",
2014 device_get_nameunit(sc->dev),
2015 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
2016
2017 error = rvap->newstate(vap, nstate, arg);
2018 if (error != 0)
2019 return error;
2020
2021 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2022 return error;
2023
2024 IEEE80211_UNLOCK(ic);
2025
2026 RT2870_SOFTC_LOCK(sc);
2027
2028 /* turn link LED off */
2029
2030 if (nstate != IEEE80211_S_RUN)
2031 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2032
2033 switch (nstate)
2034 {
2035 case IEEE80211_S_INIT:
2036 rt2870_asic_disable_tsf_sync(sc);
2037 break;
2038
2039 case IEEE80211_S_RUN:
2040 ni = vap->iv_bss;
2041
2042 rt2870_rf_set_chan(sc, ni->ni_chan);
2043
2044 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2045 {
2046 rt2870_asic_enable_mrr(sc);
2047 rt2870_asic_set_txpreamble(sc);
2048 rt2870_asic_set_basicrates(sc);
2049 rt2870_asic_update_txpower(sc);
2050 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2051 }
2052
2053 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2054 vap->iv_opmode == IEEE80211_M_IBSS ||
2055 vap->iv_opmode == IEEE80211_M_MBSS)
2056 {
2057 error = rt2870_beacon_alloc(sc, vap);
2058 if (error != 0)
2059 break;
2060
2061 rt2870_asic_update_beacon(sc, vap);
2062 }
2063
2064 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2065 rt2870_asic_enable_tsf_sync(sc);
2066
2067 /* turn link LED on */
2068
2069 if (vap->iv_opmode != IEEE80211_M_MONITOR)
2070 {
2071 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2072 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2073 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2074 }
2075 break;
2076
2077 default:
2078 break;
2079 }
2080
2081 RT2870_SOFTC_UNLOCK(sc);
2082
2083 IEEE80211_LOCK(ic);
2084
2085 return error;
2086 }
2087
2088 /*
2089 * rt2870_vap_key_update_begin
2090 */
2091 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
2092 {
2093 struct rt2870_softc *sc;
2094 struct ieee80211com *ic;
2095 struct ifnet *ifp;
2096
2097 ic = vap->iv_ic;
2098 ifp = ic->ic_ifp;
2099 sc = ifp->if_softc;
2100
2101 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2102 "%s: VAP key update begin\n",
2103 device_get_nameunit(sc->dev));
2104
2105 taskqueue_block(sc->taskqueue);
2106
2107 IF_LOCK(&ifp->if_snd);
2108 }
2109
2110 /*
2111 * rt2870_vap_key_update_end
2112 */
2113 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
2114 {
2115 struct rt2870_softc *sc;
2116 struct ieee80211com *ic;
2117 struct ifnet *ifp;
2118
2119 ic = vap->iv_ic;
2120 ifp = ic->ic_ifp;
2121 sc = ifp->if_softc;
2122
2123 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2124 "%s: VAP key update end\n",
2125 device_get_nameunit(sc->dev));
2126
2127 IF_UNLOCK(&ifp->if_snd);
2128
2129 taskqueue_unblock(sc->taskqueue);
2130 }
2131
2132 /*
2133 * rt2870_vap_key_set
2134 */
2135 static int rt2870_vap_key_set(struct ieee80211vap *vap,
2136 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2137 {
2138 struct rt2870_softc *sc;
2139 struct ieee80211com *ic;
2140 struct ifnet *ifp;
2141 struct ieee80211_node *ni;
2142 struct rt2870_softc_node *rni;
2143 struct rt2870_cmd_argv_keyset cmd_argv;
2144
2145 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2146 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2147 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2148 return 0;
2149
2150 ic = vap->iv_ic;
2151 ifp = ic->ic_ifp;
2152 sc = ifp->if_softc;
2153
2154 cmd_argv.opmode = vap->iv_opmode;
2155
2156 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2157
2158 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2159 {
2160 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
2161 rni = (struct rt2870_softc_node *) ni;
2162
2163 cmd_argv.staid = rni->staid;
2164
2165 ieee80211_free_node(ni);
2166 }
2167
2168 rt2870_do_async(sc, rt2870_vap_key_set_cb,
2169 &cmd_argv, sizeof(struct rt2870_cmd_argv_keyset));
2170
2171 return 1;
2172 }
2173
2174 /*
2175 * rt2870_vap_key_delete
2176 */
2177 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2178 const struct ieee80211_key *k)
2179 {
2180 struct rt2870_softc *sc;
2181 struct ieee80211com *ic;
2182 struct ifnet *ifp;
2183 struct rt2870_cmd_argv_keydelete cmd_argv;
2184
2185 ic = vap->iv_ic;
2186 ifp = ic->ic_ifp;
2187 sc = ifp->if_softc;
2188
2189 cmd_argv.opmode = vap->iv_opmode;
2190
2191 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2192
2193 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2194 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2195
2196 return 1;
2197 }
2198
2199 /*
2200 * rt2870_vap_update_beacon
2201 */
2202 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2203 {
2204 struct rt2870_softc *sc;
2205 struct ieee80211com *ic;
2206 struct ifnet *ifp;
2207 struct rt2870_softc_vap *rvap;
2208 struct mbuf *m;
2209 struct ieee80211_beacon_offsets *bo;
2210
2211 ic = vap->iv_ic;
2212 ifp = ic->ic_ifp;
2213 sc = ifp->if_softc;
2214 rvap = (struct rt2870_softc_vap *) vap;
2215 m = rvap->beacon_mbuf;
2216 bo = &rvap->beacon_offsets;
2217
2218 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2219 "%s: VAP update beacon: what=%d\n",
2220 device_get_nameunit(sc->dev), what);
2221
2222 setbit(bo->bo_flags, what);
2223
2224 ieee80211_beacon_update(vap->iv_bss, bo, m, 0);
2225
2226 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2227 }
2228
2229 /*
2230 * rt2870_node_alloc
2231 */
2232 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2233 const uint8_t mac[IEEE80211_ADDR_LEN])
2234 {
2235 return malloc(sizeof(struct rt2870_softc_node),
2236 M_80211_NODE, M_NOWAIT | M_ZERO);
2237 }
2238
2239 /*
2240 * rt2870_node_cleanup
2241 */
2242 static void rt2870_node_cleanup(struct ieee80211_node *ni)
2243 {
2244 struct rt2870_softc *sc;
2245 struct ieee80211com *ic;
2246 struct ifnet *ifp;
2247 struct rt2870_softc_node *rni;
2248 struct rt2870_cmd_argv_nodecleanup cmd_argv;
2249
2250 ic = ni->ni_ic;
2251 ifp = ic->ic_ifp;
2252 sc = ifp->if_softc;
2253 rni = (struct rt2870_softc_node *) ni;
2254
2255 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2256 "%s: node cleanup: macaddr=%s, associd=0x%04x, staid=0x%02x\n",
2257 device_get_nameunit(sc->dev), ether_sprintf(ni->ni_macaddr),
2258 ni->ni_associd, rni->staid);
2259
2260 if (rni->staid != 0)
2261 {
2262 cmd_argv.staid = rni->staid;
2263
2264 rni->staid = 0;
2265
2266 rt2870_do_async(sc, rt2870_node_cleanup_cb,
2267 &cmd_argv, sizeof(struct rt2870_cmd_argv_nodecleanup));
2268 }
2269
2270 sc->node_cleanup(ni);
2271 }
2272
2273 /*
2274 * rt2870_node_getmimoinfo
2275 */
2276 static void rt2870_node_getmimoinfo(const struct ieee80211_node *ni,
2277 struct ieee80211_mimo_info *mi)
2278 {
2279 const struct rt2870_softc_node *rni;
2280 int i;
2281
2282 rni = (const struct rt2870_softc_node *) ni;
2283
2284 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
2285 {
2286 mi->rssi[i] = rni->last_rssi_dbm[i];
2287 mi->noise[i] = RT2870_NOISE_FLOOR;
2288 }
2289 }
2290
2291 /*
2292 * rt2870_setregdomain
2293 */
2294 static int rt2870_setregdomain(struct ieee80211com *ic,
2295 struct ieee80211_regdomain *reg,
2296 int nchans, struct ieee80211_channel chans[])
2297 {
2298 struct rt2870_softc *sc;
2299 struct ifnet *ifp;
2300
2301 ifp = ic->ic_ifp;
2302 sc = ifp->if_softc;
2303
2304 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2305 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2306 device_get_nameunit(sc->dev),
2307 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2308
2309 return 0;
2310 }
2311
2312 /*
2313 * rt2870_getradiocaps
2314 */
2315 static void rt2870_getradiocaps(struct ieee80211com *ic,
2316 int maxchans, int *nchans, struct ieee80211_channel chans[])
2317 {
2318 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2319
2320 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2321 }
2322
2323 /*
2324 * rt2870_scan_start
2325 */
2326 static void rt2870_scan_start(struct ieee80211com *ic)
2327 {
2328 struct rt2870_softc *sc;
2329 struct ifnet *ifp;
2330
2331 ifp = ic->ic_ifp;
2332 sc = ifp->if_softc;
2333
2334 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2335 return;
2336
2337 RT2870_SOFTC_LOCK(sc);
2338
2339 rt2870_asic_disable_tsf_sync(sc);
2340
2341 RT2870_SOFTC_UNLOCK(sc);
2342 }
2343
2344 /*
2345 * rt2870_scan_end
2346 */
2347 static void rt2870_scan_end(struct ieee80211com *ic)
2348 {
2349 struct rt2870_softc *sc;
2350 struct ifnet *ifp;
2351
2352 ifp = ic->ic_ifp;
2353 sc = ifp->if_softc;
2354
2355 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2356 return;
2357
2358 RT2870_SOFTC_LOCK(sc);
2359
2360 rt2870_asic_enable_tsf_sync(sc);
2361
2362 RT2870_SOFTC_UNLOCK(sc);
2363 }
2364
2365 /*
2366 * rt2870_set_channel
2367 */
2368 static void rt2870_set_channel(struct ieee80211com *ic)
2369 {
2370 struct rt2870_softc *sc;
2371 struct ifnet *ifp;
2372
2373 ifp = ic->ic_ifp;
2374 sc = ifp->if_softc;
2375
2376 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
2377 return;
2378
2379 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2380 "%s: set channel: channel=%u, HT%s%s\n",
2381 device_get_nameunit(sc->dev),
2382 ieee80211_chan2ieee(ic, ic->ic_curchan),
2383 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2384 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2385 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2386 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2387
2388 RT2870_SOFTC_LOCK(sc);
2389
2390 rt2870_rf_set_chan(sc, ic->ic_curchan);
2391
2392 RT2870_SOFTC_UNLOCK(sc);
2393 }
2394
2395 /*
2396 * rt2870_newassoc
2397 */
2398 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2399 {
2400 struct rt2870_softc *sc;
2401 struct ieee80211com *ic;
2402 struct ifnet *ifp;
2403 struct ieee80211vap *vap;
2404 struct rt2870_softc_vap *rvap;
2405 struct rt2870_softc_node *rni;
2406 uint16_t aid;
2407 uint8_t wcid;
2408 uint32_t tmp;
2409
2410 vap = ni->ni_vap;
2411 ic = vap->iv_ic;
2412 ifp = ic->ic_ifp;
2413 sc = ifp->if_softc;
2414 rvap = (struct rt2870_softc_vap *) vap;
2415 rni = (struct rt2870_softc_node *) ni;
2416
2417 if (isnew)
2418 {
2419 aid = IEEE80211_AID(ni->ni_associd);
2420 rni->staid = rt2870_staid_alloc(sc, aid);
2421 wcid = rni->staid;
2422
2423 RT2870_SOFTC_LOCK(sc);
2424
2425 tmp = (ni->ni_macaddr[3] << 24) |
2426 (ni->ni_macaddr[2] << 16) |
2427 (ni->ni_macaddr[1] << 8) |
2428 ni->ni_macaddr[0];
2429
2430 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), tmp);
2431
2432 tmp = (ni->ni_macaddr[5] << 8) |
2433 ni->ni_macaddr[4];
2434
2435 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2436
2437 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2438
2439 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2440 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2441 device_get_nameunit(sc->dev),
2442 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2443 ni->ni_associd, ni->ni_txrate,
2444 (ni->ni_flags & IEEE80211_NODE_HT) ?
2445 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2446 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2447
2448 rt2870_asic_updateprot(sc);
2449 rt2870_asic_updateslot(sc);
2450 rt2870_asic_set_txpreamble(sc);
2451
2452 RT2870_SOFTC_UNLOCK(sc);
2453 }
2454
2455 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2456 "%s: new association: isnew=%d, macaddr=%s, associd=0x%04x, staid=0x%02x, QoS %s, ERP %s, HT %s\n",
2457 device_get_nameunit(sc->dev), isnew, ether_sprintf(ni->ni_macaddr),
2458 ni->ni_associd, rni->staid,
2459 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2460 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2461 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2462 }
2463
2464 /*
2465 * rt2870_updateslot
2466 */
2467 static void rt2870_updateslot(struct ifnet *ifp)
2468 {
2469 struct rt2870_softc *sc;
2470
2471 sc = ifp->if_softc;
2472
2473 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2474 }
2475
2476 /*
2477 * rt2870_update_promisc
2478 */
2479 static void rt2870_update_promisc(struct ifnet *ifp)
2480 {
2481 struct rt2870_softc *sc;
2482
2483 sc = ifp->if_softc;
2484
2485 RT2870_SOFTC_LOCK(sc);
2486
2487 rt2870_asic_update_promisc(sc);
2488
2489 RT2870_SOFTC_UNLOCK(sc);
2490 }
2491
2492 /*
2493 * rt2870_update_mcast
2494 */
2495 static void rt2870_update_mcast(struct ifnet *ifp)
2496 {
2497 struct rt2870_softc *sc;
2498
2499 sc = ifp->if_softc;
2500 }
2501
2502 /*
2503 * rt2870_wme_update
2504 */
2505 static int rt2870_wme_update(struct ieee80211com *ic)
2506 {
2507 struct rt2870_softc *sc;
2508 struct ifnet *ifp;
2509
2510 ifp = ic->ic_ifp;
2511 sc = ifp->if_softc;
2512
2513 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2514
2515 return 0;
2516 }
2517
2518 /*
2519 * rt2870_raw_xmit
2520 */
2521 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2522 const struct ieee80211_bpf_params *params)
2523 {
2524 struct rt2870_softc *sc;
2525 struct ieee80211com *ic;
2526 struct ifnet *ifp;
2527
2528 ic = ni->ni_ic;
2529 ifp = ic->ic_ifp;
2530 sc = ifp->if_softc;
2531
2532 RT2870_SOFTC_LOCK(sc);
2533
2534 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2535 {
2536 RT2870_SOFTC_UNLOCK(sc);
2537
2538 m_freem(m);
2539 ieee80211_free_node(ni);
2540
2541 return ENETDOWN;
2542 }
2543
2544 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2545 {
2546 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2547 "%s: raw xmit: Tx ring with qid=%d is full\n",
2548 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2549
2550 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2551
2552 RT2870_SOFTC_UNLOCK(sc);
2553
2554 m_freem(m);
2555 ieee80211_free_node(ni);
2556
2557 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2558
2559 return ENOBUFS;
2560 }
2561
2562 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2563 {
2564 ifp->if_oerrors++;
2565
2566 RT2870_SOFTC_UNLOCK(sc);
2567
2568 ieee80211_free_node(ni);
2569
2570 return EIO;
2571 }
2572
2573 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2574
2575 RT2870_SOFTC_UNLOCK(sc);
2576
2577 return 0;
2578 }
2579
2580 /*
2581 * rt2870_recv_action
2582 */
2583 static int rt2870_recv_action(struct ieee80211_node *ni,
2584 const struct ieee80211_frame *wh,
2585 const uint8_t *frm, const uint8_t *efrm)
2586 {
2587 struct rt2870_softc *sc;
2588 struct ieee80211com *ic;
2589 struct ifnet *ifp;
2590 struct rt2870_softc_node *rni;
2591 const struct ieee80211_action *ia;
2592 uint16_t baparamset;
2593 uint8_t wcid;
2594 int ret, tid;
2595 uint32_t tmp;
2596
2597 ic = ni->ni_ic;
2598 ifp = ic->ic_ifp;
2599 sc = ifp->if_softc;
2600 rni = (struct rt2870_softc_node *) ni;
2601
2602 ia = (const struct ieee80211_action *) frm;
2603
2604 ret = sc->recv_action(ni, wh, frm, efrm);
2605
2606 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2607 return ret;
2608
2609 switch (ia->ia_action)
2610 {
2611 /* IEEE80211_ACTION_BA_DELBA */
2612 case IEEE80211_ACTION_BA_DELBA:
2613 baparamset = LE_READ_2(frm + 2);
2614 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2615 wcid = rni->staid;
2616
2617 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2618 "%s: received DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2619 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2620
2621 RT2870_SOFTC_LOCK(sc);
2622
2623 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2624
2625 tmp &= ~(0x10000 << tid);
2626
2627 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2628
2629 RT2870_SOFTC_UNLOCK(sc);
2630 break;
2631 }
2632
2633 return ret;
2634 }
2635
2636 /*
2637 * rt2870_send_action
2638 */
2639 static int rt2870_send_action(struct ieee80211_node *ni,
2640 int cat, int act, void *sa)
2641 {
2642 struct rt2870_softc *sc;
2643 struct ieee80211com *ic;
2644 struct ifnet *ifp;
2645 struct rt2870_softc_node *rni;
2646 uint16_t *args, status, baparamset;
2647 uint8_t wcid;
2648 int ret, tid, bufsize;
2649 uint32_t tmp;
2650
2651 ic = ni->ni_ic;
2652 ifp = ic->ic_ifp;
2653 sc = ifp->if_softc;
2654 rni = (struct rt2870_softc_node *) ni;
2655
2656 ret = sc->send_action(ni, cat, act, sa);
2657
2658 if (cat != IEEE80211_ACTION_CAT_BA)
2659 return ret;
2660
2661 wcid = rni->staid;
2662 args = sa;
2663
2664 switch (act)
2665 {
2666 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2667 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2668 status = args[1];
2669 baparamset = args[2];
2670 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2671 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2672
2673 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2674 "%s: sending ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, bufsize=%d\n",
2675 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid, bufsize);
2676
2677 if (status == IEEE80211_STATUS_SUCCESS)
2678 {
2679 RT2870_SOFTC_LOCK(sc);
2680
2681 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2682
2683 tmp |= (0x10000 << tid);
2684
2685 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2686
2687 RT2870_SOFTC_UNLOCK(sc);
2688 }
2689 break;
2690
2691 /* IEEE80211_ACTION_BA_DELBA */
2692 case IEEE80211_ACTION_BA_DELBA:
2693 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2694 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2695
2696 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2697 "%s: sending DELBA request: associd=0x%04x, staid=0x%02x, tid=%d\n",
2698 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2699
2700 RT2870_SOFTC_LOCK(sc);
2701
2702 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2703 {
2704 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2705
2706 tmp &= ~(0x10000 << tid);
2707
2708 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2709 }
2710
2711 RT2870_SOFTC_UNLOCK(sc);
2712 break;
2713 }
2714
2715 return ret;
2716 }
2717
2718 /*
2719 * rt2870_addba_response
2720 */
2721 static int rt2870_addba_response(struct ieee80211_node *ni,
2722 struct ieee80211_tx_ampdu *tap,
2723 int status, int baparamset, int batimeout)
2724 {
2725 struct rt2870_softc *sc;
2726 struct ieee80211com *ic;
2727 struct ifnet *ifp;
2728 struct rt2870_softc_node *rni;
2729 ieee80211_seq seqno;
2730 int ret, tid, old_bufsize, new_bufsize;
2731
2732 ic = ni->ni_ic;
2733 ifp = ic->ic_ifp;
2734 sc = ifp->if_softc;
2735 rni = (struct rt2870_softc_node *) ni;
2736
2737 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2738 old_bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2739 new_bufsize = old_bufsize;
2740
2741 if (status == IEEE80211_STATUS_SUCCESS)
2742 {
2743 if (sc->mac_rev >= 0x28830300)
2744 {
2745 if (sc->mac_rev >= 0x30700200)
2746 new_bufsize = 13;
2747 else
2748 new_bufsize = 31;
2749 }
2750 else if (sc->mac_rev >= 0x28720200)
2751 {
2752 new_bufsize = 13;
2753 }
2754 else
2755 {
2756 new_bufsize = 7;
2757 }
2758
2759 if (old_bufsize > new_bufsize)
2760 {
2761 baparamset &= ~IEEE80211_BAPS_BUFSIZ;
2762 baparamset = RT2870_SM(new_bufsize, IEEE80211_BAPS_BUFSIZ);
2763 }
2764
2765 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2766 {
2767 sc->tx_ampdu_sessions++;
2768
2769 RT2870_SOFTC_LOCK(sc);
2770
2771 rt2870_asic_updateprot(sc);
2772
2773 RT2870_SOFTC_UNLOCK(sc);
2774 }
2775 }
2776
2777 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2778 "%s: received ADDBA response: associd=0x%04x, staid=0x%02x, status=%d, tid=%d, "
2779 "old bufsize=%d, new bufsize=%d\n",
2780 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, status, tid,
2781 old_bufsize, new_bufsize);
2782
2783 ret = sc->addba_response(ni, tap, status, baparamset, batimeout);
2784
2785 if (status == IEEE80211_STATUS_SUCCESS)
2786 {
2787 seqno = ni->ni_txseqs[tid];
2788
2789 rt2870_send_bar(ni, tap, seqno);
2790 }
2791
2792 return ret;
2793 }
2794
2795 /*
2796 * rt2870_addba_stop
2797 */
2798 static void rt2870_addba_stop(struct ieee80211_node *ni,
2799 struct ieee80211_tx_ampdu *tap)
2800 {
2801 struct rt2870_softc *sc;
2802 struct ieee80211com *ic;
2803 struct ifnet *ifp;
2804 struct rt2870_softc_node *rni;
2805 int tid;
2806
2807 ic = ni->ni_ic;
2808 ifp = ic->ic_ifp;
2809 sc = ifp->if_softc;
2810 rni = (struct rt2870_softc_node *) ni;
2811
2812 tid = WME_AC_TO_TID(tap->txa_ac);
2813
2814 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2815 "%s: stopping A-MPDU Tx: associd=0x%04x, staid=0x%02x, tid=%d\n",
2816 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid);
2817
2818 sc->tx_ampdu_sessions--;
2819
2820 RT2870_SOFTC_LOCK(sc);
2821
2822 rt2870_asic_updateprot(sc);
2823
2824 RT2870_SOFTC_UNLOCK(sc);
2825
2826 sc->addba_stop(ni, tap);
2827 }
2828
2829 /*
2830 * rt2870_send_bar
2831 */
2832 static int rt2870_send_bar(struct ieee80211_node *ni,
2833 struct ieee80211_tx_ampdu *tap, ieee80211_seq seqno)
2834 {
2835 struct rt2870_softc *sc;
2836 struct ieee80211com *ic;
2837 struct ifnet *ifp;
2838 struct ieee80211vap *vap;
2839 struct ieee80211_frame_bar *bar;
2840 struct rt2870_softc_node *rni;
2841 struct mbuf *m;
2842 uint16_t barctl, barseqctl;
2843 uint8_t *frm;
2844 int ret, tid;
2845
2846 ic = ni->ni_ic;
2847 ifp = ic->ic_ifp;
2848 sc = ifp->if_softc;
2849 vap = ni->ni_vap;
2850 rni = (struct rt2870_softc_node *) ni;
2851
2852 if (!(tap->txa_flags & IEEE80211_AGGR_RUNNING))
2853 return EINVAL;
2854
2855 m = ieee80211_getmgtframe(&frm, ic->ic_headroom, sizeof(struct ieee80211_frame_bar));
2856 if (m == NULL)
2857 return ENOMEM;
2858
2859 bar = mtod(m, struct ieee80211_frame_bar *);
2860
2861 bar->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | IEEE80211_FC0_SUBTYPE_BAR;
2862 bar->i_fc[1] = 0;
2863
2864 IEEE80211_ADDR_COPY(bar->i_ra, ni->ni_macaddr);
2865 IEEE80211_ADDR_COPY(bar->i_ta, vap->iv_myaddr);
2866
2867 tid = WME_AC_TO_TID(tap->txa_ac);
2868
2869 barctl = (tap->txa_flags & IEEE80211_AGGR_IMMEDIATE ? 0 : IEEE80211_BAR_NOACK) |
2870 IEEE80211_BAR_COMP |
2871 RT2870_SM(tid, IEEE80211_BAR_TID);
2872 barseqctl = RT2870_SM(seqno, IEEE80211_BAR_SEQ_START);
2873
2874 bar->i_ctl = htole16(barctl);
2875 bar->i_seq = htole16(barseqctl);
2876
2877 m->m_pkthdr.len = m->m_len = sizeof(struct ieee80211_frame_bar);
2878
2879 tap->txa_start = seqno;
2880
2881 ieee80211_ref_node(ni);
2882
2883 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2884 "%s: sending BAR: associd=0x%04x, staid=0x%02x, tid=%d, seqno=%d\n",
2885 device_get_nameunit(sc->dev), ni->ni_associd, rni->staid, tid, seqno);
2886
2887 ret = ic->ic_raw_xmit(ni, m, NULL);
2888 if (ret != 0)
2889 ieee80211_free_node(ni);
2890
2891 return ret;
2892 }
2893
2894 /*
2895 * rt2870_amrr_update_iter_func
2896 */
2897 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2898 {
2899 struct rt2870_softc *sc;
2900 struct ieee80211com *ic;
2901 struct ifnet *ifp;
2902 struct ieee80211vap *vap;
2903 struct rt2870_softc_vap *rvap;
2904 struct rt2870_softc_node *rni;
2905 uint8_t wcid;
2906
2907 vap = arg;
2908 ic = vap->iv_ic;
2909 ifp = ic->ic_ifp;
2910 sc = ifp->if_softc;
2911 rvap = (struct rt2870_softc_vap *) vap;
2912 rni = (struct rt2870_softc_node *) ni;
2913
2914 /* only associated stations */
2915
2916 if ((ni->ni_vap == vap) && (rni->staid != 0))
2917 {
2918 wcid = rni->staid;
2919
2920 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2921 "%s: AMRR node: staid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2922 device_get_nameunit(sc->dev),
2923 rni->staid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2924
2925 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2926
2927 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2928 "%s:%s node Tx rate: associd=0x%04x, staid=0x%02x, rate=0x%02x, max rate=0x%02x\n",
2929 device_get_nameunit(sc->dev),
2930 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2931 ni->ni_associd, rni->staid, ni->ni_txrate,
2932 (ni->ni_flags & IEEE80211_NODE_HT) ?
2933 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2934 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2935 }
2936 }
2937
2938 /*
2939 * rt2870_periodic
2940 */
2941 static void rt2870_periodic(void *arg)
2942 {
2943 struct rt2870_softc *sc;
2944 struct ifnet *ifp;
2945
2946 sc = arg;
2947 ifp = sc->ifp;
2948
2949 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2950 "%s: periodic\n",
2951 device_get_nameunit(sc->dev));
2952
2953 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2954 return;
2955
2956 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2957 }
2958
2959 /*
2960 * rt2870_tx_watchdog
2961 */
2962 static void rt2870_tx_watchdog(void *arg)
2963 {
2964 struct rt2870_softc *sc;
2965 struct ifnet *ifp;
2966
2967 sc = arg;
2968 ifp = sc->ifp;
2969
2970 if (sc->tx_timer == 0)
2971 return;
2972
2973 if (--sc->tx_timer == 0)
2974 {
2975 printf("%s: Tx watchdog timeout: resetting\n",
2976 device_get_nameunit(sc->dev));
2977
2978 rt2870_stop_locked(sc);
2979 rt2870_init_locked(sc);
2980
2981 ifp->if_oerrors++;
2982
2983 sc->tx_watchdog_timeouts++;
2984 }
2985
2986 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2987 }
2988
2989 /*
2990 * rt2870_staid_alloc
2991 */
2992 static int rt2870_staid_alloc(struct rt2870_softc *sc, int aid)
2993 {
2994 int staid;
2995
2996 if ((aid > 0 && aid < RT2870_SOFTC_STAID_COUNT) && isclr(sc->staid_mask, aid))
2997 {
2998 staid = aid;
2999 }
3000 else
3001 {
3002 for (staid = 1; staid < RT2870_SOFTC_STAID_COUNT; staid++)
3003 {
3004 if (isclr(sc->staid_mask, staid))
3005 break;
3006 }
3007 }
3008
3009 setbit(sc->staid_mask, staid);
3010
3011 return staid;
3012 }
3013
3014 /*
3015 * rt2870_staid_delete
3016 */
3017 static void rt2870_staid_delete(struct rt2870_softc *sc, int staid)
3018 {
3019 clrbit(sc->staid_mask, staid);
3020 }
3021
3022
3023 /*
3024 * rt2870_do_async
3025 */
3026 static int rt2870_do_async(struct rt2870_softc *sc,
3027 void (*cb)(struct rt2870_softc *sc, void *arg),
3028 void *arg, int len)
3029 {
3030 struct ifnet *ifp;
3031 struct rt2870_softc_cmd_ring *ring;
3032 struct rt2870_softc_cmd *cmd;
3033 int run_cmd_task;
3034
3035 ifp = sc->ifp;
3036 ring = &sc->cmd_ring;
3037
3038 RT2870_SOFTC_LOCK(sc);
3039
3040 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
3041 {
3042 RT2870_SOFTC_UNLOCK(sc);
3043 return -1;
3044 }
3045
3046 cmd = STAILQ_FIRST(&ring->inactive);
3047 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3048
3049 cmd->cb = cb;
3050
3051 if(arg != NULL)
3052 memcpy(cmd->data, arg, len);
3053
3054 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
3055 ring->queued++;
3056
3057 run_cmd_task = (ring->queued == 1);
3058
3059 RT2870_SOFTC_UNLOCK(sc);
3060
3061 if (run_cmd_task)
3062 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
3063
3064 return 0;
3065 }
3066
3067 /*
3068 * rt2870_node_cleanup_cb
3069 */
3070 static void rt2870_node_cleanup_cb(struct rt2870_softc *sc, void *arg)
3071 {
3072 struct ifnet *ifp;
3073 struct ieee80211com *ic;
3074 struct rt2870_cmd_argv_nodecleanup *cmd_argv;
3075 uint8_t staid, vapid, wcid;
3076 uint32_t tmp;
3077
3078 ifp = sc->ifp;
3079 ic = ifp->if_l2com;
3080 cmd_argv = arg;
3081 staid = cmd_argv->staid;
3082
3083 vapid = 0;
3084 wcid = staid;
3085
3086 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3087 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3088
3089 RT2870_SOFTC_LOCK(sc);
3090
3091 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3092
3093 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid), 0x00000000);
3094 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, 0x00000000);
3095
3096 rt2870_staid_delete(sc, staid);
3097
3098 RT2870_SOFTC_UNLOCK(sc);
3099 }
3100
3101 /*
3102 * rt2870_updateslot_cb
3103 */
3104 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
3105 {
3106 RT2870_SOFTC_LOCK(sc);
3107
3108 rt2870_asic_updateslot(sc);
3109
3110 RT2870_SOFTC_UNLOCK(sc);
3111 }
3112
3113 /*
3114 * rt2870_wme_update_cb
3115 */
3116 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
3117 {
3118 RT2870_SOFTC_LOCK(sc);
3119
3120 rt2870_asic_wme_update(sc);
3121
3122 RT2870_SOFTC_UNLOCK(sc);
3123 }
3124
3125 /*
3126 * rt2870_vap_key_set_cb
3127 */
3128 static void rt2870_vap_key_set_cb(struct rt2870_softc *sc, void *arg)
3129 {
3130 struct ieee80211com *ic;
3131 struct ifnet *ifp;
3132 struct ieee80211_key *k;
3133 enum ieee80211_opmode opmode;
3134 struct rt2870_cmd_argv_keyset *cmd_argv;
3135 uint16_t key_base, keymode_base;
3136 uint8_t mode, vapid, wcid, iv[8];
3137 uint32_t tmp;
3138
3139 ifp = sc->ifp;
3140 ic = ifp->if_l2com;
3141 cmd_argv = arg;
3142 k = &cmd_argv->key;
3143 opmode = cmd_argv->opmode;
3144
3145 switch (k->wk_cipher->ic_cipher)
3146 {
3147 case IEEE80211_CIPHER_WEP:
3148 if(k->wk_keylen < 8)
3149 mode = RT2870_REG_CIPHER_MODE_WEP40;
3150 else
3151 mode = RT2870_REG_CIPHER_MODE_WEP104;
3152 break;
3153
3154 case IEEE80211_CIPHER_TKIP:
3155 mode = RT2870_REG_CIPHER_MODE_TKIP;
3156 break;
3157
3158 case IEEE80211_CIPHER_AES_CCM:
3159 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
3160 break;
3161
3162 default:
3163 return;
3164 }
3165
3166 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3167 "%s: VAP key set: keyix=%d, keylen=%d, macaddr=%s, mode=%d, group=%d\n",
3168 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3169 mode, (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3170
3171 RT2870_SOFTC_LOCK(sc);
3172
3173 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
3174 {
3175 /* install pairwise key */
3176
3177 vapid = 0;
3178 wcid = cmd_argv->staid;
3179 key_base = RT2870_REG_PKEY(wcid);
3180
3181 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3182 {
3183 memset(iv, 0, 8);
3184
3185 iv[3] = (k->wk_keyix << 6);
3186 }
3187 else
3188 {
3189 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3190 {
3191 iv[0] = (k->wk_keytsc >> 8);
3192 iv[1] = ((iv[0] | 0x20) & 0x7f);
3193 iv[2] = k->wk_keytsc;
3194 }
3195 else
3196 {
3197 /* AES CCMP */
3198
3199 iv[0] = k->wk_keytsc;
3200 iv[1] = k->wk_keytsc >> 8;
3201 iv[2] = 0;
3202 }
3203
3204 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3205 iv[4] = (k->wk_keytsc >> 16);
3206 iv[5] = (k->wk_keytsc >> 24);
3207 iv[6] = (k->wk_keytsc >> 32);
3208 iv[7] = (k->wk_keytsc >> 40);
3209
3210 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3211 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3212 device_get_nameunit(sc->dev),
3213 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3214 }
3215
3216 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3217
3218 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3219 {
3220 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3221
3222 if (opmode != IEEE80211_M_HOSTAP)
3223 {
3224 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3225 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3226 }
3227 else
3228 {
3229 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3230 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3231 }
3232 }
3233 else
3234 {
3235 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3236 }
3237
3238 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3239 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
3240
3241 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3242 }
3243
3244 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
3245 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
3246 {
3247 /* install group key */
3248
3249 vapid = 0;
3250 wcid = RT2870_WCID_MCAST;
3251 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
3252 keymode_base = RT2870_REG_SKEY_MODE(vapid);
3253
3254 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3255 {
3256 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
3257
3258 if (opmode != IEEE80211_M_HOSTAP)
3259 {
3260 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
3261 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
3262 }
3263 else
3264 {
3265 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
3266 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
3267 }
3268 }
3269 else
3270 {
3271 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
3272 }
3273
3274 tmp = rt2870_io_mac_read(sc, keymode_base);
3275
3276 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3277 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3278
3279 rt2870_io_mac_write(sc, keymode_base, tmp);
3280
3281 if (opmode == IEEE80211_M_HOSTAP)
3282 {
3283 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
3284 {
3285 memset(iv, 0, 8);
3286
3287 iv[3] = (k->wk_keyix << 6);
3288 }
3289 else
3290 {
3291 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
3292 {
3293 iv[0] = (k->wk_keytsc >> 8);
3294 iv[1] = ((iv[0] | 0x20) & 0x7f);
3295 iv[2] = k->wk_keytsc;
3296 }
3297 else
3298 {
3299 /* AES CCMP */
3300
3301 iv[0] = k->wk_keytsc;
3302 iv[1] = k->wk_keytsc >> 8;
3303 iv[2] = 0;
3304 }
3305
3306 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
3307 iv[4] = (k->wk_keytsc >> 16);
3308 iv[5] = (k->wk_keytsc >> 24);
3309 iv[6] = (k->wk_keytsc >> 32);
3310 iv[7] = (k->wk_keytsc >> 40);
3311
3312 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3313 "%s: VAP key set: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
3314 device_get_nameunit(sc->dev),
3315 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
3316 }
3317
3318 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
3319
3320 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3321 (mode << RT2870_REG_CIPHER_MODE_SHIFT);
3322
3323 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3324 }
3325 }
3326
3327 RT2870_SOFTC_UNLOCK(sc);
3328 }
3329
3330 /*
3331 * rt2870_vap_key_delete_cb
3332 */
3333 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
3334 {
3335 struct ieee80211com *ic;
3336 struct ifnet *ifp;
3337 struct ieee80211_key *k;
3338 enum ieee80211_opmode opmode;
3339 struct rt2870_cmd_argv_keydelete *cmd_argv;
3340 uint8_t vapid, wcid;
3341 uint32_t tmp;
3342
3343 ifp = sc->ifp;
3344 ic = ifp->if_l2com;
3345 cmd_argv = arg;
3346 k = &cmd_argv->key;
3347 opmode = cmd_argv->opmode;
3348
3349 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
3350 "%s: VAP key delete: keyix=%d, keylen=%d, macaddr=%s, group=%d\n",
3351 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, ether_sprintf(k->wk_macaddr),
3352 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
3353
3354 RT2870_SOFTC_LOCK(sc);
3355
3356 if (k->wk_flags & IEEE80211_KEY_GROUP)
3357 {
3358 /* remove group key */
3359
3360 vapid = 0;
3361 wcid = RT2870_WCID_MCAST;
3362
3363 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
3364
3365 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3366 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
3367
3368 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
3369
3370 if (opmode == IEEE80211_M_HOSTAP)
3371 {
3372 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
3373 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
3374
3375 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
3376 }
3377 }
3378
3379 RT2870_SOFTC_UNLOCK(sc);
3380 }
3381
3382 /*
3383 * rt2870_vap_update_beacon_cb
3384 */
3385 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
3386 {
3387 struct ifnet *ifp;
3388 struct ieee80211com *ic;
3389 struct ieee80211vap *vap;
3390
3391 ifp = sc->ifp;
3392 ic = ifp->if_l2com;
3393 vap = TAILQ_FIRST(&ic->ic_vaps);
3394
3395 if (vap == NULL)
3396 return;
3397
3398 RT2870_SOFTC_LOCK(sc);
3399
3400 rt2870_asic_update_beacon(sc, vap);
3401
3402 RT2870_SOFTC_UNLOCK(sc);
3403 }
3404
3405 /*
3406 * rt2870_asic_set_bssid
3407 */
3408 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
3409 const uint8_t *bssid)
3410 {
3411 uint32_t tmp;
3412
3413 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3414 "%s: set bssid: bssid=%s\n",
3415 device_get_nameunit(sc->dev),
3416 ether_sprintf(bssid));
3417
3418 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
3419
3420 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
3421
3422 tmp = bssid[4] | (bssid[5] << 8);
3423
3424 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
3425 }
3426
3427 /*
3428 * rt2870_asic_set_macaddr
3429 */
3430 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
3431 const uint8_t *addr)
3432 {
3433 uint32_t tmp;
3434
3435 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3436
3437 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
3438
3439 tmp = addr[4] | (addr[5] << 8);
3440
3441 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
3442 }
3443
3444 /*
3445 * rt2870_asic_enable_tsf_sync
3446 */
3447 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
3448 {
3449 struct ifnet *ifp;
3450 struct ieee80211com *ic;
3451 struct ieee80211vap *vap;
3452 uint32_t tmp;
3453
3454 ifp = sc->ifp;
3455 ic = ifp->if_l2com;
3456 vap = TAILQ_FIRST(&ic->ic_vaps);
3457
3458 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3459 "%s: enabling TSF\n",
3460 device_get_nameunit(sc->dev));
3461
3462 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3463
3464 tmp &= ~0x1fffff;
3465 tmp |= vap->iv_bss->ni_intval * 16;
3466 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
3467
3468 if (vap->iv_opmode == IEEE80211_M_STA)
3469 {
3470 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3471 }
3472 else if (vap->iv_opmode == IEEE80211_M_IBSS)
3473 {
3474 tmp |= RT2870_REG_BCN_TX_ENABLE;
3475 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3476 }
3477 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3478 {
3479 tmp |= RT2870_REG_BCN_TX_ENABLE;
3480 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3481 }
3482
3483 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3484 }
3485
3486 /*
3487 * rt2870_asic_disable_tsf_sync
3488 */
3489 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
3490 {
3491 uint32_t tmp;
3492
3493 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
3494 "%s: disabling TSF\n",
3495 device_get_nameunit(sc->dev));
3496
3497 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3498
3499 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3500 RT2870_REG_TSF_TIMER_ENABLE |
3501 RT2870_REG_TBTT_TIMER_ENABLE);
3502
3503 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3504 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
3505
3506 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3507 }
3508
3509 /*
3510 * rt2870_asic_enable_mrr
3511 */
3512 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
3513 {
3514 #define CCK(mcs) (mcs)
3515 #define OFDM(mcs) ((1 << 3) | (mcs))
3516 #define HT(mcs) (mcs)
3517
3518 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
3519 (OFDM(6) << 28) | /* 54 -> 48 */
3520 (OFDM(5) << 24) | /* 48 -> 36 */
3521 (OFDM(4) << 20) | /* 36 -> 24 */
3522 (OFDM(3) << 16) | /* 24 -> 18 */
3523 (OFDM(2) << 12) | /* 18 -> 12 */
3524 (OFDM(1) << 8) | /* 12 -> 9 */
3525 (OFDM(0) << 4) | /* 9 -> 6 */
3526 OFDM(0)); /* 6 -> 6 */
3527
3528 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
3529 (CCK(2) << 12) | /* 11 -> 5.5 */
3530 (CCK(1) << 8) | /* 5.5 -> 2 */
3531 (CCK(0) << 4) | /* 2 -> 1 */
3532 CCK(0)); /* 1 -> 1 */
3533
3534 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3535 (HT(6) << 28) |
3536 (HT(5) << 24) |
3537 (HT(4) << 20) |
3538 (HT(3) << 16) |
3539 (HT(2) << 12) |
3540 (HT(1) << 8) |
3541 (HT(0) << 4) |
3542 HT(0));
3543
3544 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3545 (HT(14) << 28) |
3546 (HT(13) << 24) |
3547 (HT(12) << 20) |
3548 (HT(11) << 16) |
3549 (HT(10) << 12) |
3550 (HT(9) << 8) |
3551 (HT(8) << 4) |
3552 HT(7));
3553
3554 #undef HT
3555 #undef OFDM
3556 #undef CCK
3557 }
3558
3559 /*
3560 * rt2870_asic_set_txpreamble
3561 */
3562 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3563 {
3564 struct ifnet *ifp;
3565 struct ieee80211com *ic;
3566 uint32_t tmp;
3567
3568 ifp = sc->ifp;
3569 ic = ifp->if_l2com;
3570
3571 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3572 "%s: %s short Tx preamble\n",
3573 device_get_nameunit(sc->dev),
3574 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3575
3576 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3577
3578 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3579
3580 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3581 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3582
3583 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3584 }
3585
3586 /*
3587 * rt2870_asic_set_basicrates
3588 */
3589 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3590 {
3591 struct ifnet *ifp;
3592 struct ieee80211com *ic;
3593
3594 ifp = sc->ifp;
3595 ic = ifp->if_l2com;
3596
3597 if (ic->ic_curmode == IEEE80211_MODE_11B)
3598 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3599 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3600 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3601 else
3602 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3603 }
3604
3605 /*
3606 * rt2870_asic_update_rtsthreshold
3607 */
3608 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3609 {
3610 struct ifnet *ifp;
3611 struct ieee80211com *ic;
3612 struct ieee80211vap *vap;
3613 uint32_t tmp;
3614 uint16_t threshold;
3615
3616 ifp = sc->ifp;
3617 ic = ifp->if_l2com;
3618 vap = TAILQ_FIRST(&ic->ic_vaps);
3619
3620 if (vap == NULL)
3621 threshold = IEEE80211_RTS_MAX;
3622 else if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
3623 threshold = 0x1000;
3624 else
3625 threshold = vap->iv_rtsthreshold;
3626
3627 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3628 "%s: updating RTS threshold: %d\n",
3629 device_get_nameunit(sc->dev), threshold);
3630
3631 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3632
3633 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3634
3635 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3636 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3637
3638 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3639 }
3640
3641 /*
3642 * rt2870_asic_update_txpower
3643 */
3644 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3645 {
3646 struct ifnet *ifp;
3647 struct ieee80211com *ic;
3648 uint32_t *txpow_rate;
3649 int8_t delta;
3650 uint8_t val;
3651 uint32_t tmp;
3652 int i;
3653
3654 ifp = sc->ifp;
3655 ic = ifp->if_l2com;
3656
3657 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3658 "%s: updating Tx power: %d\n",
3659 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3660
3661 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3662 {
3663 txpow_rate = sc->txpow_rate_20mhz;
3664 }
3665 else
3666 {
3667 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3668 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3669 else
3670 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3671 }
3672
3673 delta = 0;
3674
3675 val = rt2870_io_bbp_read(sc, 1);
3676 val &= 0xfc;
3677
3678 if (ic->ic_txpowlimit > 90)
3679 {
3680 /* do nothing */
3681 }
3682 else if (ic->ic_txpowlimit > 60)
3683 {
3684 delta -= 1;
3685 }
3686 else if (ic->ic_txpowlimit > 30)
3687 {
3688 delta -= 3;
3689 }
3690 else if (ic->ic_txpowlimit > 15)
3691 {
3692 val |= 0x1;
3693 }
3694 else if (ic->ic_txpowlimit > 9)
3695 {
3696 val |= 0x1;
3697 delta -= 3;
3698 }
3699 else
3700 {
3701 val |= 0x2;
3702 }
3703
3704 rt2870_io_bbp_write(sc, 1, val);
3705
3706 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3707 {
3708 if (txpow_rate[i] == 0xffffffff)
3709 continue;
3710
3711 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3712
3713 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3714 }
3715 }
3716
3717 /*
3718 * rt2870_asic_update_promisc
3719 */
3720 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3721 {
3722 struct ifnet *ifp;
3723 uint32_t tmp;
3724
3725 ifp = sc->ifp;
3726
3727 printf("%s: %s promiscuous mode\n",
3728 device_get_nameunit(sc->dev),
3729 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3730
3731 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3732
3733 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3734
3735 if (!(ifp->if_flags & IFF_PROMISC))
3736 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3737
3738 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3739 }
3740
3741 /*
3742 * rt2870_asic_updateprot
3743 */
3744 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3745 {
3746 struct ifnet *ifp;
3747 struct ieee80211com *ic;
3748 struct ieee80211vap *vap;
3749 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3750 uint8_t htopmode;
3751 enum ieee80211_protmode htprotmode;
3752
3753 ifp = sc->ifp;
3754 ic = ifp->if_l2com;
3755 vap = TAILQ_FIRST(&ic->ic_vaps);
3756
3757 /* CCK frame protection */
3758
3759 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3760 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3761
3762 /* set up protection frame phy mode and rate (MCS code) */
3763
3764 if (ic->ic_curmode == IEEE80211_MODE_11A)
3765 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3766 (0 << RT2870_REG_PROT_MCS_SHIFT);
3767 else
3768 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3769 (3 << RT2870_REG_PROT_MCS_SHIFT));
3770
3771 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3772
3773 /* OFDM frame protection */
3774
3775 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3776 RT2870_REG_TXOP_ALLOW_ALL;
3777
3778 if (ic->ic_flags & IEEE80211_F_USEPROT)
3779 {
3780 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3781 "%s: updating protection mode: b/g protection mode=%s\n",
3782 device_get_nameunit(sc->dev),
3783 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3784 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3785
3786 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3787 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3788 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3789 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3790 else
3791 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3792 }
3793 else
3794 {
3795 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3796 "%s: updating protection mode: b/g protection mode=%s\n",
3797 device_get_nameunit(sc->dev), "none");
3798
3799 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3800 }
3801
3802 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3803
3804 /* HT frame protection */
3805
3806 if ((vap != NULL) && (vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3807 htopmode = vap->iv_bss->ni_htopmode;
3808 else
3809 htopmode = ic->ic_curhtprotmode;
3810
3811 htprotmode = ic->ic_htprotmode;
3812
3813 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3814
3815 if (sc->tx_ampdu_sessions > 0)
3816 {
3817 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3818 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3819 device_get_nameunit(sc->dev));
3820
3821 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3822 htprotmode = IEEE80211_PROT_RTSCTS;
3823 }
3824
3825 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3826 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3827 device_get_nameunit(sc->dev),
3828 htopmode & IEEE80211_HTINFO_OPMODE,
3829 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3830 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3831
3832 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3833 {
3834 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3835 case IEEE80211_HTINFO_OPMODE_HT20PR:
3836 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3837 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3838 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3839 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3840 (4 << RT2870_REG_PROT_MCS_SHIFT);
3841
3842 gf20_prot = mm20_prot;
3843
3844 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3845 RT2870_REG_TXOP_ALLOW_ALL |
3846 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3847 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3848
3849 if (htprotmode == IEEE80211_PROT_RTSCTS)
3850 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3851 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3852 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3853 else
3854 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3855
3856 gf40_prot = mm40_prot;
3857 break;
3858
3859 /* IEEE80211_HTINFO_OPMODE_MIXED */
3860 case IEEE80211_HTINFO_OPMODE_MIXED:
3861 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3862 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3863 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3864
3865 if (ic->ic_flags & IEEE80211_F_USEPROT)
3866 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3867 (3 << RT2870_REG_PROT_MCS_SHIFT);
3868 else
3869 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3870 (4 << RT2870_REG_PROT_MCS_SHIFT);
3871
3872 if (htprotmode == IEEE80211_PROT_RTSCTS)
3873 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3874 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3875 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3876 else
3877 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3878
3879 gf20_prot = mm20_prot;
3880
3881 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3882
3883 if (ic->ic_flags & IEEE80211_F_USEPROT)
3884 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3885 (3 << RT2870_REG_PROT_MCS_SHIFT);
3886 else
3887 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3888 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3889
3890 if (htprotmode == IEEE80211_PROT_RTSCTS)
3891 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3892 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3893 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3894 else
3895 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3896
3897 gf40_prot = mm40_prot;
3898 break;
3899
3900 /*
3901 * IEEE80211_HTINFO_OPMODE_PURE
3902 * IEEE80211_HTINFO_OPMODE_PROTOPT
3903 */
3904 case IEEE80211_HTINFO_OPMODE_PURE:
3905 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3906 default:
3907 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3908 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3909 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3910 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3911 (4 << RT2870_REG_PROT_MCS_SHIFT);
3912
3913 gf20_prot = mm20_prot;
3914
3915 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3916 RT2870_REG_TXOP_ALLOW_ALL |
3917 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3918 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3919
3920 gf40_prot = mm40_prot;
3921 break;
3922 }
3923
3924 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3925 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3926 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3927 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3928 }
3929
3930 /*
3931 * rt2870_asic_updateslot
3932 */
3933 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3934 {
3935 struct ifnet *ifp;
3936 struct ieee80211com *ic;
3937 struct ieee80211vap *vap;
3938 uint32_t tmp;
3939
3940 ifp = sc->ifp;
3941 ic = ifp->if_l2com;
3942 vap = TAILQ_FIRST(&ic->ic_vaps);
3943
3944 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3945 "%s: %s short slot time\n",
3946 device_get_nameunit(sc->dev),
3947 ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3948 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST))) ? "enabling" : "disabling");
3949
3950 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3951
3952 tmp &= ~0xff;
3953
3954 if ((ic->ic_flags & IEEE80211_F_SHSLOT) ||
3955 ((vap != NULL) && (vap->iv_flags & IEEE80211_F_BURST)))
3956 tmp |= IEEE80211_DUR_SHSLOT;
3957 else
3958 tmp |= IEEE80211_DUR_SLOT;
3959
3960 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3961 }
3962
3963 /*
3964 * rt2870_asic_wme_update
3965 */
3966 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3967 {
3968 struct ifnet *ifp;
3969 struct ieee80211com *ic;
3970 struct ieee80211_wme_state *wme;
3971 const struct wmeParams *wmep;
3972 int i;
3973
3974 ifp = sc->ifp;
3975 ic = ifp->if_l2com;
3976 wme = &ic->ic_wme;
3977 wmep = wme->wme_chanParams.cap_wmeParams;
3978
3979 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3980 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3981 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3982 device_get_nameunit(sc->dev),
3983 wmep[WME_AC_VO].wmep_aifsn,
3984 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3985 wmep[WME_AC_VO].wmep_txopLimit,
3986 wmep[WME_AC_VI].wmep_aifsn,
3987 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3988 wmep[WME_AC_VI].wmep_txopLimit,
3989 wmep[WME_AC_BK].wmep_aifsn,
3990 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3991 wmep[WME_AC_BK].wmep_txopLimit,
3992 wmep[WME_AC_BE].wmep_aifsn,
3993 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3994 wmep[WME_AC_BE].wmep_txopLimit);
3995
3996 for (i = 0; i < WME_NUM_AC; i++)
3997 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3998 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3999 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
4000
4001 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
4002 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
4003 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
4004
4005 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
4006 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
4007 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
4008
4009 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
4010 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
4011 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
4012
4013 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
4014 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
4015
4016 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
4017 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
4018 }
4019
4020 /*
4021 * rt2870_asic_update_beacon
4022 */
4023 static void rt2870_asic_update_beacon(struct rt2870_softc *sc,
4024 struct ieee80211vap *vap)
4025 {
4026 struct rt2870_softc_vap *rvap;
4027 struct mbuf *m;
4028 struct rt2870_txwi *txwi;
4029 uint32_t tmp;
4030
4031 rvap = (struct rt2870_softc_vap *) vap;
4032
4033 m = rvap->beacon_mbuf;
4034 txwi = &rvap->beacon_txwi;
4035
4036 /* disable temporarily TSF sync */
4037
4038 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
4039
4040 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
4041 RT2870_REG_TSF_TIMER_ENABLE |
4042 RT2870_REG_TBTT_TIMER_ENABLE);
4043
4044 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
4045
4046 /* write Tx wireless info and beacon frame to on-chip memory */
4047
4048 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
4049 txwi, sizeof(struct rt2870_txwi));
4050
4051 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
4052 mtod(m, uint8_t *), m->m_pkthdr.len);
4053
4054 /* enable again TSF sync */
4055
4056 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
4057
4058 tmp |= (RT2870_REG_BCN_TX_ENABLE |
4059 RT2870_REG_TSF_TIMER_ENABLE |
4060 RT2870_REG_TBTT_TIMER_ENABLE);
4061
4062 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
4063 }
4064
4065 /*
4066 * rt2870_asic_clear_keytables
4067 */
4068 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
4069 {
4070 int i;
4071
4072 /* clear Rx WCID search table (entries = 256, entry size = 8) */
4073
4074 for (i = 0; i < 256; i++)
4075 {
4076 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
4077 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
4078 }
4079
4080 /* clear WCID attribute table (entries = 256, entry size = 4) */
4081
4082 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
4083
4084 /* clear IV/EIV table (entries = 256, entry size = 8) */
4085
4086 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
4087
4088 /* clear pairwise key table (entries = 256, entry size = 32) */
4089
4090 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
4091
4092 /* clear shared key table (entries = 32, entry size = 32) */
4093
4094 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
4095
4096 /* clear shared key mode (entries = 32, entry size = 2) */
4097
4098 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
4099 }
4100
4101 /*
4102 * rt2870_beacon_alloc
4103 */
4104 static int rt2870_beacon_alloc(struct rt2870_softc *sc,
4105 struct ieee80211vap *vap)
4106 {
4107 struct ieee80211com *ic;
4108 struct rt2870_softc_vap *rvap;
4109 struct mbuf *m;
4110 struct rt2870_txwi txwi;
4111 uint8_t rate, mcs;
4112
4113 ic = vap->iv_ic;
4114 rvap = (struct rt2870_softc_vap *) vap;
4115
4116 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
4117 if (m == NULL)
4118 return ENOMEM;
4119
4120 rate = IEEE80211_IS_CHAN_5GHZ(vap->iv_bss->ni_chan) ? 12 : 2;
4121 mcs = rt2870_rate2mcs(rate);
4122
4123 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
4124 "%s: beacon allocate: mcs=0x%02x\n",
4125 device_get_nameunit(sc->dev), mcs);
4126
4127 memset(&txwi, 0, sizeof(struct rt2870_txwi));
4128
4129 txwi.wcid = RT2870_WCID_RESERVED;
4130 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4131 RT2870_TXWI_MPDU_LEN_SHIFT);
4132 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4133 txwi.mpdu_density_flags |=
4134 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4135 txwi.bawin_size_xflags |=
4136 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
4137
4138 if (rate == 2)
4139 {
4140 txwi.phymode_ifs_stbc_shortgi =
4141 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4142
4143 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4144 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4145 }
4146 else
4147 {
4148 txwi.phymode_ifs_stbc_shortgi =
4149 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4150 }
4151
4152 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4153 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4154
4155 if (rvap->beacon_mbuf != NULL)
4156 {
4157 m_free(rvap->beacon_mbuf);
4158 rvap->beacon_mbuf = NULL;
4159 }
4160
4161 rvap->beacon_mbuf = m;
4162 rvap->beacon_txwi = txwi;
4163
4164 return 0;
4165 }
4166
4167 /*
4168 * rt2870_rxrate
4169 */
4170 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
4171 {
4172 uint8_t mcs, phymode;
4173 uint8_t rate;
4174
4175 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
4176 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4177 RT2870_RXWI_PHYMODE_MASK;
4178
4179 rate = 2;
4180
4181 switch (phymode)
4182 {
4183 case RT2870_RXWI_PHYMODE_CCK:
4184 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
4185 {
4186 case 0: rate = 2; break; /* 1 Mbps */
4187 case 1: rate = 4; break; /* 2 MBps */
4188 case 2: rate = 11; break; /* 5.5 Mbps */
4189 case 3: rate = 22; break; /* 11 Mbps */
4190 }
4191 break;
4192
4193 case RT2870_RXWI_PHYMODE_OFDM:
4194 switch (mcs)
4195 {
4196 case 0: rate = 12; break; /* 6 Mbps */
4197 case 1: rate = 18; break; /* 9 Mbps */
4198 case 2: rate = 24; break; /* 12 Mbps */
4199 case 3: rate = 36; break; /* 18 Mbps */
4200 case 4: rate = 48; break; /* 24 Mbps */
4201 case 5: rate = 72; break; /* 36 Mbps */
4202 case 6: rate = 96; break; /* 48 Mbps */
4203 case 7: rate = 108; break; /* 54 Mbps */
4204 }
4205 break;
4206
4207 case RT2870_RXWI_PHYMODE_HT_MIXED:
4208 case RT2870_RXWI_PHYMODE_HT_GF:
4209 break;
4210 }
4211
4212 return rate;
4213 }
4214
4215 /*
4216 * rt2870_maxrssi_rxpath
4217 */
4218 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
4219 const struct rt2870_rxwi *rxwi)
4220 {
4221 uint8_t rxpath;
4222
4223 rxpath = 0;
4224
4225 if (sc->nrxpath > 1)
4226 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
4227 rxpath = 1;
4228
4229 if (sc->nrxpath > 2)
4230 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
4231 rxpath = 2;
4232
4233 return rxpath;
4234 }
4235
4236 /*
4237 * rt2870_rssi2dbm
4238 */
4239 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
4240 uint8_t rssi, uint8_t rxpath)
4241 {
4242 struct ifnet *ifp;
4243 struct ieee80211com *ic;
4244 struct ieee80211_channel *c;
4245 int chan;
4246 int8_t rssi_off, lna_gain;
4247
4248 if (rssi == 0)
4249 return -99;
4250
4251 ifp = sc->ifp;
4252 ic = ifp->if_l2com;
4253 c = ic->ic_curchan;
4254 chan = ieee80211_chan2ieee(ic, c);
4255
4256 if (IEEE80211_IS_CHAN_5GHZ(c))
4257 {
4258 rssi_off = sc->rssi_off_5ghz[rxpath];
4259
4260 if (chan <= 64)
4261 lna_gain = sc->lna_gain[1];
4262 else if (chan <= 128)
4263 lna_gain = sc->lna_gain[2];
4264 else
4265 lna_gain = sc->lna_gain[3];
4266 }
4267 else
4268 {
4269 rssi_off = sc->rssi_off_2ghz[rxpath];
4270 lna_gain = sc->lna_gain[0];
4271 }
4272
4273 return (-12 - rssi_off - lna_gain - rssi);
4274 }
4275
4276 /*
4277 * rt2870_rate2mcs
4278 */
4279 static uint8_t rt2870_rate2mcs(uint8_t rate)
4280 {
4281 switch (rate)
4282 {
4283 /* CCK rates */
4284 case 2: return 0;
4285 case 4: return 1;
4286 case 11: return 2;
4287 case 22: return 3;
4288
4289 /* OFDM rates */
4290 case 12: return 0;
4291 case 18: return 1;
4292 case 24: return 2;
4293 case 36: return 3;
4294 case 48: return 4;
4295 case 72: return 5;
4296 case 96: return 6;
4297 case 108: return 7;
4298 }
4299
4300 return 0;
4301 }
4302
4303 /*
4304 * rt2870_rx_frame
4305 */
4306 static void rt2870_rx_frame(struct rt2870_softc *sc,
4307 uint8_t *buf, uint32_t dmalen)
4308 {
4309 struct ifnet *ifp;
4310 struct ieee80211com *ic;
4311 struct ieee80211_frame *wh;
4312 struct ieee80211_node *ni;
4313 struct rt2870_softc_node *rni;
4314 struct rt2870_softc_rx_radiotap_header *tap;
4315 struct rt2870_rxwi *rxwi;
4316 struct rt2870_rxinfo *rxinfo;
4317 struct mbuf *m;
4318 uint32_t rxinfo_flags;
4319 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, stbc, mcs, keyidx, tid, frag;
4320 uint16_t seq;
4321 int8_t rssi_dbm;
4322 int len, ampdu, amsdu, rssi_dbm_rel, i;
4323
4324 ifp = sc->ifp;
4325 ic = ifp->if_l2com;
4326
4327 /* get Rx wireless info */
4328
4329 rxwi = (struct rt2870_rxwi *) buf;
4330 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
4331 RT2870_RXWI_SIZE_MASK;
4332
4333 if (len > dmalen)
4334 {
4335 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4336 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
4337 device_get_nameunit(sc->dev), dmalen, len);
4338 return;
4339 }
4340
4341 /* get Rx info */
4342
4343 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
4344 rxinfo_flags = le32toh(rxinfo->flags);
4345
4346 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4347 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
4348 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
4349
4350 /* check for crc errors */
4351
4352 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4353 {
4354 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4355 "%s: rxinfo: crc error\n",
4356 device_get_nameunit(sc->dev));
4357
4358 ifp->if_ierrors++;
4359
4360 if (!(ifp->if_flags & IFF_PROMISC))
4361 return;
4362 }
4363
4364 wh = (struct ieee80211_frame *) (rxwi + 1);
4365
4366 /* check for L2 padding between IEEE 802.11 frame header and body */
4367
4368 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
4369 {
4370 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4371 "%s: L2 padding: DMA len=%d, len=%d\n",
4372 device_get_nameunit(sc->dev), dmalen, len);
4373
4374 len += 2;
4375 }
4376
4377 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
4378 if (m == NULL)
4379 {
4380 sc->rx_mbuf_alloc_errors++;
4381 ifp->if_ierrors++;
4382 return;
4383 }
4384
4385 m->m_pkthdr.rcvif = ifp;
4386 m->m_pkthdr.len = m->m_len = len;
4387
4388 m_copyback(m, 0, len, (caddr_t) wh);
4389
4390 wh = mtod(m, struct ieee80211_frame *);
4391
4392 /* check for cipher errors */
4393
4394 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
4395 {
4396 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
4397 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
4398 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
4399 {
4400 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4401 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4402
4403 m->m_flags |= M_WEP;
4404
4405 sc->rx_cipher_no_errors++;
4406 }
4407 else
4408 {
4409 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4410 "%s: rxinfo: cipher error=0x%02x\n",
4411 device_get_nameunit(sc->dev), cipher_err);
4412
4413 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_ICV)
4414 sc->rx_cipher_icv_errors++;
4415 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC)
4416 sc->rx_cipher_mic_errors++;
4417 else if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_INVALID_KEY)
4418 sc->rx_cipher_invalid_key_errors++;
4419
4420 if ((cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_MIC) &&
4421 (rxinfo_flags & RT2870_RXINFO_FLAGS_MYBSS))
4422 {
4423 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
4424 if (ni != NULL)
4425 {
4426 keyidx = (rxwi->udf_bssidx_keyidx >> RT2870_RXWI_KEYIDX_SHIFT) &
4427 RT2870_RXWI_KEYIDX_MASK;
4428
4429 ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
4430
4431 ieee80211_free_node(ni);
4432 }
4433 }
4434
4435 ifp->if_ierrors++;
4436
4437 if (!(ifp->if_flags & IFF_PROMISC))
4438 {
4439 m_free(m);
4440 return;
4441 }
4442 }
4443 }
4444 else
4445 {
4446 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4447 {
4448 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4449 "%s: rxinfo: not decrypted but protected flag set\n",
4450 device_get_nameunit(sc->dev));
4451
4452 ifp->if_ierrors++;
4453
4454 if (!(ifp->if_flags & IFF_PROMISC))
4455 {
4456 m_free(m);
4457 return;
4458 }
4459 }
4460 }
4461
4462 /* check for A-MPDU */
4463
4464 if (rxinfo_flags & RT2870_RXINFO_FLAGS_BA)
4465 {
4466 m->m_flags |= M_AMPDU;
4467
4468 sc->rx_ampdu++;
4469
4470 ampdu = 1;
4471 }
4472 else
4473 {
4474 ampdu = 0;
4475 }
4476
4477 /* check for A-MSDU */
4478
4479 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
4480 {
4481 sc->rx_amsdu++;
4482
4483 amsdu = 1;
4484 }
4485 else
4486 {
4487 amsdu = 0;
4488 }
4489
4490 ant = rt2870_maxrssi_rxpath(sc, rxwi);
4491 rssi = rxwi->rssi[ant];
4492 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
4493 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
4494 RT2870_RXWI_PHYMODE_MASK);
4495 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
4496 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
4497 RT2870_RXWI_SHORTGI_MASK);
4498 stbc = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_STBC_SHIFT) &
4499 RT2870_RXWI_STBC_MASK);
4500 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
4501 tid = ((rxwi->tid_size >> RT2870_RXWI_TID_SHIFT) & RT2870_RXWI_TID_MASK);
4502 seq = ((rxwi->seq_frag >> RT2870_RXWI_SEQ_SHIFT) & RT2870_RXWI_SEQ_MASK);
4503 frag = ((rxwi->seq_frag >> RT2870_RXWI_FRAG_SHIFT) & RT2870_RXWI_FRAG_MASK);
4504
4505 if (ieee80211_radiotap_active(ic))
4506 {
4507 tap = &sc->rxtap;
4508
4509 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
4510 tap->dbm_antsignal = rssi_dbm;
4511 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
4512 tap->antenna = ant;
4513 tap->antsignal = rssi;
4514 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4515 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4516 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4517 tap->chan_maxpow = 0;
4518
4519 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
4520 tap->rate = rt2870_rxrate(rxwi);
4521 else
4522 tap->rate = mcs | IEEE80211_RATE_MCS;
4523
4524 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
4525 tap->flags |= IEEE80211_RADIOTAP_F_BADFCS;
4526
4527 if (rxinfo_flags & RT2870_RXINFO_FLAGS_FRAG)
4528 tap->flags |= IEEE80211_RADIOTAP_F_FRAG;
4529
4530 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
4531 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4532
4533 if ((rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED) ||
4534 (wh->i_fc[1] & IEEE80211_FC1_WEP))
4535 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4536
4537 if (shortgi)
4538 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4539
4540 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
4541
4542 if (ampdu)
4543 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
4544 }
4545
4546 /*
4547 * net80211 assumes that RSSI data are in the range [-127..127] and
4548 * in .5 dBm units relative to the current noise floor
4549 */
4550
4551 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
4552 if (rssi_dbm_rel > 127)
4553 rssi_dbm_rel = 127;
4554
4555 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4556 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, stbc=0x%02x, mcs=%d, "
4557 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, tid=%d, seq=%d, frag=%d, "
4558 "retry=%d, rssi_dbm=%d, rssi_dbm_rel=%d\n",
4559 device_get_nameunit(sc->dev),
4560 len, phymode, bw, shortgi, stbc, mcs,
4561 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
4562 rxwi->snr[0], rxwi->snr[1],
4563 rxwi->wcid, ampdu, amsdu, tid, seq, frag, (wh->i_fc[1] & IEEE80211_FC1_RETRY) ? 1 : 0,
4564 rssi_dbm, rssi_dbm_rel);
4565
4566 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
4567 if (ni != NULL)
4568 {
4569 rni = (struct rt2870_softc_node *) ni;
4570
4571 for (i = 0; i < RT2870_SOFTC_RSSI_COUNT; i++)
4572 {
4573 rni->last_rssi[i] = rxwi->rssi[i];
4574 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
4575 }
4576
4577 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4578 ieee80211_free_node(ni);
4579 }
4580 else
4581 {
4582 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
4583 }
4584 }
4585
4586 /*
4587 * rt2870_tx_mgmt
4588 */
4589 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
4590 struct mbuf *m, struct ieee80211_node *ni, int qid)
4591 {
4592 struct ifnet *ifp;
4593 struct ieee80211com *ic;
4594 struct ieee80211vap *vap;
4595 const struct ieee80211_txparam *tp;
4596 struct rt2870_softc_node *rni;
4597 struct rt2870_softc_tx_ring *ring;
4598 struct rt2870_softc_tx_data *data;
4599 struct rt2870_txinfo *txinfo;
4600 struct rt2870_txwi *txwi;
4601 struct ieee80211_frame *wh;
4602 struct rt2870_softc_tx_radiotap_header *tap;
4603 u_int hdrsize, hdrspace;
4604 uint8_t rate, stbc, shortgi, mcs, pid;
4605 uint16_t len, dmalen, mpdu_len, dur;
4606 int mimops;
4607
4608 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4609 ("%s: Tx MGMT: invalid qid=%d\n",
4610 device_get_nameunit(sc->dev), qid));
4611
4612 ifp = sc->ifp;
4613 ic = ifp->if_l2com;
4614 vap = ni->ni_vap;
4615 rni = (struct rt2870_softc_node *) ni;
4616 tp = ni->ni_txparms;
4617
4618 ring = &sc->tx_ring[qid];
4619 data = STAILQ_FIRST(&ring->inactive);
4620 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4621 txinfo = (struct rt2870_txinfo *) data->buf;
4622 txwi = (struct rt2870_txwi *) (txinfo + 1);
4623
4624 wh = mtod(m, struct ieee80211_frame *);
4625
4626 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
4627
4628 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4629
4630 /* align end on a 4-bytes boundary */
4631
4632 dmalen = (len + 3) & ~3;
4633
4634 /* fill Tx info */
4635
4636 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4637
4638 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4639
4640 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4641
4642 dmalen += 4;
4643
4644 memset((caddr_t) txinfo + len, 0, dmalen - len);
4645
4646 /* fill Tx wireless info */
4647
4648 if (ni->ni_flags & IEEE80211_NODE_HT)
4649 mcs = rate;
4650 else
4651 mcs = rt2870_rate2mcs(rate);
4652
4653 /* calculate MPDU length without padding */
4654
4655 hdrsize = ieee80211_anyhdrsize(wh);
4656 hdrspace = ieee80211_anyhdrspace(ic, wh);
4657 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4658
4659 memset(txwi, 0, sizeof(struct rt2870_txwi));
4660
4661 /* management frames do not need encryption */
4662
4663 txwi->wcid = 0xff;
4664
4665 /* MIMO power save */
4666
4667 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4668 {
4669 if (mcs > 7)
4670 {
4671 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4672 {
4673 /* dynamic MIMO power save */
4674
4675 txwi->mpdu_density_flags |=
4676 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4677 }
4678 else
4679 {
4680 /* static MIMO power save */
4681
4682 mcs = 7;
4683 }
4684 }
4685
4686 mimops = 1;
4687 }
4688 else
4689 {
4690 mimops = 0;
4691 }
4692
4693 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4694
4695 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4696 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4697 RT2870_TXWI_MPDU_LEN_SHIFT);
4698
4699 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4700 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4701
4702 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4703 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4704
4705 txwi->phymode_ifs_stbc_shortgi |=
4706 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4707 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4708
4709 txwi->phymode_ifs_stbc_shortgi |=
4710 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4711
4712 if (ni->ni_flags & IEEE80211_NODE_HT)
4713 {
4714 txwi->phymode_ifs_stbc_shortgi |=
4715 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4716 }
4717 else
4718 {
4719 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4720 {
4721 txwi->phymode_ifs_stbc_shortgi |=
4722 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4723
4724 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4725 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4726 }
4727 else
4728 {
4729 txwi->phymode_ifs_stbc_shortgi |=
4730 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4731 }
4732 }
4733
4734 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4735 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4736
4737 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4738
4739 /* skip ACKs for multicast frames */
4740
4741 if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
4742 {
4743 txwi->bawin_size_xflags |=
4744 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4745
4746 if (ni->ni_flags & IEEE80211_NODE_HT)
4747 {
4748 /* preamble + plcp + signal extension + SIFS */
4749
4750 dur = 16 + 4 + 6 + 10;
4751 }
4752 else
4753 {
4754 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4755 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4756 }
4757
4758 *(uint16_t *) wh->i_dur = htole16(dur);
4759 }
4760
4761 /* ask MAC to insert timestamp into probe responses */
4762
4763 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4764 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4765 txwi->mpdu_density_flags |=
4766 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4767
4768 if (ieee80211_radiotap_active_vap(vap))
4769 {
4770 tap = &sc->txtap;
4771
4772 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4773 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4774 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4775 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4776 tap->chan_maxpow = 0;
4777
4778 if (ni->ni_flags & IEEE80211_NODE_HT)
4779 tap->rate = mcs | IEEE80211_RATE_MCS;
4780 else
4781 tap->rate = rate;
4782
4783 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4784 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4785
4786 if (shortgi)
4787 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4788
4789 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4790 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4791
4792 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4793 {
4794 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4795
4796 ieee80211_radiotap_tx(vap, m);
4797
4798 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4799 }
4800 else
4801 {
4802 ieee80211_radiotap_tx(vap, m);
4803 }
4804 }
4805
4806 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4807
4808 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4809 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4810 "stbc=%d, shortgi=%d, mcs=%d, mimops=%d, DMA len=%d\n",
4811 device_get_nameunit(sc->dev),
4812 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, mimops, dmalen);
4813
4814 data->len = dmalen;
4815 data->m = m;
4816 data->ni = ni;
4817
4818 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4819 ring->queued++;
4820
4821 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4822
4823 return 0;
4824 }
4825
4826 /*
4827 * rt2870_tx_data
4828 */
4829 static int rt2870_tx_data(struct rt2870_softc *sc,
4830 struct mbuf *m, struct ieee80211_node *ni, int qid)
4831 {
4832 struct ifnet *ifp;
4833 struct ieee80211com *ic;
4834 struct ieee80211vap *vap;
4835 const struct ieee80211_txparam *tp;
4836 struct rt2870_softc_node *rni;
4837 struct rt2870_softc_tx_ring *ring;
4838 struct rt2870_softc_tx_data *data;
4839 struct rt2870_txinfo *txinfo;
4840 struct rt2870_txwi *txwi;
4841 struct ieee80211_frame *wh;
4842 struct ieee80211_tx_ampdu *tx_ampdu;
4843 ieee80211_seq seqno;
4844 struct rt2870_softc_tx_radiotap_header *tap;
4845 u_int hdrsize, hdrspace;
4846 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4847 uint16_t qos, len, dmalen, mpdu_len, dur;
4848 int hasqos, ac, tid, ampdu, mimops;
4849
4850 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4851 ("%s: Tx data: invalid qid=%d\n",
4852 device_get_nameunit(sc->dev), qid));
4853
4854 ifp = sc->ifp;
4855 ic = ifp->if_l2com;
4856 vap = ni->ni_vap;
4857 rni = (struct rt2870_softc_node *) ni;
4858 tp = ni->ni_txparms;
4859
4860 ring = &sc->tx_ring[qid];
4861 data = STAILQ_FIRST(&ring->inactive);
4862 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4863 txinfo = (struct rt2870_txinfo *) data->buf;
4864 txwi = (struct rt2870_txwi *) (txinfo + 1);
4865
4866 wh = mtod(m, struct ieee80211_frame *);
4867
4868 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4869
4870 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4871 if (hasqos)
4872 {
4873 if (IEEE80211_HAS_ADDR4(wh))
4874 qos = le16toh(*(const uint16_t *)
4875 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4876 else
4877 qos = le16toh(*(const uint16_t *)
4878 (((struct ieee80211_qosframe *) wh)->i_qos));
4879 }
4880 else
4881 {
4882 qos = 0;
4883 }
4884
4885 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4886 rate = tp->mcastrate;
4887 else if (m->m_flags & M_EAPOL)
4888 rate = tp->mgmtrate;
4889 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4890 rate = tp->ucastrate;
4891 else
4892 rate = ni->ni_txrate;
4893
4894 rate &= IEEE80211_RATE_VAL;
4895
4896 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4897
4898 /* align end on a 4-bytes boundary */
4899
4900 dmalen = (len + 3) & ~3;
4901
4902 /* fill Tx info */
4903
4904 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4905
4906 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4907
4908 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4909
4910 dmalen += 4;
4911
4912 memset((caddr_t) txinfo + len, 0, dmalen - len);
4913
4914 /* fill Tx wireless info */
4915
4916 if (ni->ni_flags & IEEE80211_NODE_HT)
4917 mcs = rate;
4918 else
4919 mcs = rt2870_rate2mcs(rate);
4920
4921 if (type == IEEE80211_FC0_TYPE_DATA)
4922 wcid = !IEEE80211_IS_MULTICAST(wh->i_addr1) ? rni->staid : RT2870_WCID_MCAST;
4923 else
4924 wcid = RT2870_WCID_RESERVED;
4925
4926 /* calculate MPDU length without padding */
4927
4928 hdrsize = ieee80211_anyhdrsize(wh);
4929 hdrspace = ieee80211_anyhdrspace(ic, wh);
4930 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4931
4932 memset(txwi, 0, sizeof(struct rt2870_txwi));
4933
4934 txwi->wcid = wcid;
4935
4936 /* MIMO power save */
4937
4938 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & IEEE80211_NODE_MIMO_PS))
4939 {
4940 if (mcs > 7)
4941 {
4942 if (ni->ni_flags & IEEE80211_NODE_MIMO_RTS)
4943 {
4944 /* dynamic MIMO power save */
4945
4946 txwi->mpdu_density_flags |=
4947 (RT2870_TXWI_FLAGS_MIMOPS << RT2870_TXWI_FLAGS_SHIFT);
4948 }
4949 else
4950 {
4951 /* static MIMO power save */
4952
4953 mcs = 7;
4954 }
4955 }
4956
4957 mimops = 1;
4958 }
4959 else
4960 {
4961 mimops = 0;
4962 }
4963
4964 pid = (mcs < 0xf) ? (mcs + 1) : mcs;
4965
4966 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4967 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4968 RT2870_TXWI_MPDU_LEN_SHIFT);
4969
4970 stbc = sc->tx_stbc && (mcs <= 7) && (vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) &&
4971 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC);
4972
4973 shortgi = ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) && (ni->ni_flags & IEEE80211_NODE_SGI20) && (ni->ni_chw == 20)) ||
4974 ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) && (ni->ni_flags & IEEE80211_NODE_SGI40) && (ni->ni_chw == 40));
4975
4976 txwi->phymode_ifs_stbc_shortgi |=
4977 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4978 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4979
4980 if (ni->ni_flags & IEEE80211_NODE_HT)
4981 {
4982 txwi->phymode_ifs_stbc_shortgi |=
4983 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4984 }
4985 else
4986 {
4987 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4988 {
4989 txwi->phymode_ifs_stbc_shortgi |=
4990 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4991
4992 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4993 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4994 }
4995 else
4996 {
4997 txwi->phymode_ifs_stbc_shortgi |=
4998 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4999 }
5000 }
5001
5002 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
5003 bw = RT2870_TXWI_BW_40;
5004 else
5005 bw = RT2870_TXWI_BW_20;
5006
5007 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
5008 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
5009
5010 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
5011
5012 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
5013 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
5014 {
5015 txwi->bawin_size_xflags |=
5016 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
5017
5018 if (ni->ni_flags & IEEE80211_NODE_HT)
5019 {
5020 /* preamble + plcp + signal extension + SIFS */
5021
5022 dur = 16 + 4 + 6 + 10;
5023 }
5024 else
5025 {
5026 dur = ieee80211_ack_duration(ic->ic_rt, rate,
5027 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
5028 }
5029
5030 *(uint16_t *) wh->i_dur = htole16(dur);
5031 }
5032
5033 /* check fo A-MPDU */
5034
5035 if (m->m_flags & M_AMPDU_MPDU)
5036 {
5037 ac = M_WME_GETAC(m);
5038 tid = WME_AC_TO_TID(ac);
5039 tx_ampdu = &ni->ni_tx_ampdu[ac];
5040
5041 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
5042 bawin_size = tx_ampdu->txa_wnd;
5043
5044 txwi->mpdu_density_flags |=
5045 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
5046 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
5047
5048 txwi->bawin_size_xflags |=
5049 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
5050
5051 seqno = ni->ni_txseqs[tid]++;
5052
5053 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
5054
5055 ampdu = 1;
5056 }
5057 else
5058 {
5059 mpdu_density = 0;
5060 bawin_size = 0;
5061 ampdu = 0;
5062 }
5063
5064 /* ask MAC to insert timestamp into probe responses */
5065
5066 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
5067 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
5068 txwi->mpdu_density_flags |=
5069 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
5070
5071 if (ieee80211_radiotap_active_vap(vap))
5072 {
5073 tap = &sc->txtap;
5074
5075 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
5076 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
5077 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
5078 tap->chan_ieee = ic->ic_curchan->ic_ieee;
5079 tap->chan_maxpow = 0;
5080
5081 if (ni->ni_flags & IEEE80211_NODE_HT)
5082 tap->rate = mcs | IEEE80211_RATE_MCS;
5083 else
5084 tap->rate = rate;
5085
5086 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
5087 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
5088
5089 if (shortgi)
5090 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
5091
5092 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5093 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
5094
5095 /* XXX use temporarily radiotap CFP flag as A-MPDU flag */
5096
5097 if (ampdu)
5098 tap->flags |= IEEE80211_RADIOTAP_F_CFP;
5099
5100 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
5101 {
5102 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
5103
5104 ieee80211_radiotap_tx(vap, m);
5105
5106 wh->i_fc[1] |= IEEE80211_FC1_WEP;
5107 }
5108 else
5109 {
5110 ieee80211_radiotap_tx(vap, m);
5111 }
5112 }
5113
5114 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
5115
5116 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5117 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
5118 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, "
5119 "ampdu=%d (density=%d, winsize=%d), mimops=%d, DMA len=%d\n",
5120 device_get_nameunit(sc->dev),
5121 qid, hdrsize, hdrspace, m->m_pkthdr.len,
5122 bw, stbc, shortgi, mcs, wcid,
5123 ampdu, mpdu_density, bawin_size, mimops, dmalen);
5124
5125 data->len = dmalen;
5126 data->m = m;
5127 data->ni = ni;
5128
5129 STAILQ_INSERT_TAIL(&ring->pending, data, next);
5130 ring->queued++;
5131
5132 usbd_transfer_start(sc->usb_xfer[1 + qid]);
5133
5134 return 0;
5135 }
5136
5137 /*
5138 * rt2870_tx_raw
5139 */
5140 static int rt2870_tx_raw(struct rt2870_softc *sc,
5141 struct mbuf *m, struct ieee80211_node *ni,
5142 const struct ieee80211_bpf_params *params)
5143 {
5144 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5145 "%s: Tx raw\n",
5146 device_get_nameunit(sc->dev));
5147
5148 return 0;
5149 }
5150
5151 /*
5152 * rt2870_rx_intr
5153 */
5154 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
5155 {
5156 struct rt2870_softc *sc;
5157 struct ifnet *ifp;
5158 struct rt2870_softc_rx_ring *ring;
5159 struct rt2870_softc_rx_data *data;
5160 int len;
5161
5162 sc = usbd_xfer_softc(xfer);
5163 ifp = sc->ifp;
5164 ring = &sc->rx_ring;
5165
5166 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5167 "%s: Rx interrupt: state=%d, error=%s\n",
5168 device_get_nameunit(sc->dev),
5169 USB_GET_STATE(xfer), usbd_errstr(error));
5170
5171 switch (USB_GET_STATE(xfer))
5172 {
5173 case USB_ST_TRANSFERRED:
5174 sc->interrupts++;
5175 sc->rx_interrupts++;
5176
5177 data = STAILQ_FIRST(&ring->active);
5178 if (data == NULL)
5179 goto setup;
5180
5181 STAILQ_REMOVE_HEAD(&ring->active, next);
5182
5183 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
5184
5185 data->len = len;
5186
5187 STAILQ_INSERT_TAIL(&ring->done, data, next);
5188
5189 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5190
5191 /* FALLTHROUGH */
5192
5193 setup:
5194
5195 case USB_ST_SETUP:
5196 data = STAILQ_FIRST(&ring->inactive);
5197 if (data == NULL)
5198 break;
5199
5200 STAILQ_REMOVE_HEAD(&ring->inactive, next);
5201
5202 STAILQ_INSERT_TAIL(&ring->active, data, next);
5203
5204 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
5205 usbd_transfer_submit(xfer);
5206 break;
5207
5208 default:
5209 sc->interrupts++;
5210 sc->rx_interrupts++;
5211
5212 data = STAILQ_FIRST(&ring->active);
5213 if (data != NULL)
5214 {
5215 STAILQ_REMOVE_HEAD(&ring->active, next);
5216 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5217 }
5218
5219 if (error != USB_ERR_CANCELLED)
5220 {
5221 ifp->if_ierrors++;
5222
5223 usbd_xfer_set_stall(xfer);
5224
5225 goto setup;
5226 }
5227 break;
5228 }
5229 }
5230
5231 /*
5232 * rt2870_tx_intr
5233 */
5234 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
5235 {
5236 struct rt2870_softc *sc;
5237 struct ifnet *ifp;
5238 struct rt2870_softc_tx_ring *ring;
5239 struct rt2870_softc_tx_data *data;
5240
5241 sc = usbd_xfer_softc(xfer);
5242 ifp = sc->ifp;
5243 ring = usbd_xfer_get_priv(xfer);
5244
5245 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
5246
5247 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
5248 "%s: Tx interrupt: state=%d, error=%s\n",
5249 device_get_nameunit(sc->dev),
5250 USB_GET_STATE(xfer), usbd_errstr(error));
5251
5252 switch (USB_GET_STATE(xfer))
5253 {
5254 case USB_ST_TRANSFERRED:
5255 sc->interrupts++;
5256 sc->tx_interrupts[ring->qid]++;
5257
5258 data = STAILQ_FIRST(&ring->active);
5259 if (data == NULL)
5260 goto setup;
5261
5262 STAILQ_REMOVE_HEAD(&ring->active, next);
5263
5264 STAILQ_INSERT_TAIL(&ring->done, data, next);
5265
5266 sc->tx_qid_pending_mask |= (1 << ring->qid);
5267
5268 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5269
5270 /* FALLTHROUGH */
5271
5272 setup:
5273
5274 case USB_ST_SETUP:
5275 data = STAILQ_FIRST(&ring->pending);
5276 if (data == NULL)
5277 break;
5278
5279 STAILQ_REMOVE_HEAD(&ring->pending, next);
5280 STAILQ_INSERT_TAIL(&ring->active, data, next);
5281
5282 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
5283 usbd_transfer_submit(xfer);
5284
5285 RT2870_SOFTC_UNLOCK(sc);
5286
5287 rt2870_start(ifp);
5288
5289 RT2870_SOFTC_LOCK(sc);
5290 break;
5291
5292 default:
5293 sc->interrupts++;
5294 sc->tx_interrupts[ring->qid]++;
5295
5296 data = STAILQ_FIRST(&ring->active);
5297 if (data != NULL)
5298 {
5299 STAILQ_REMOVE_HEAD(&ring->active, next);
5300
5301 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
5302 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
5303
5304 if (data->m != NULL)
5305 {
5306 m_freem(data->m);
5307 data->m = NULL;
5308 }
5309
5310 if (data->ni != NULL)
5311 {
5312 ieee80211_free_node(data->ni);
5313 data->ni = NULL;
5314 }
5315
5316 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5317
5318 ring->queued--;
5319 }
5320
5321 if (error != USB_ERR_CANCELLED)
5322 {
5323 ifp->if_oerrors++;
5324 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5325
5326 usbd_xfer_set_stall(xfer);
5327
5328 goto setup;
5329 }
5330 break;
5331 }
5332 }
5333
5334 /*
5335 * rt2870_rx_done_task
5336 */
5337 static void rt2870_rx_done_task(void *context, int pending)
5338 {
5339 struct rt2870_softc *sc;
5340 struct ifnet *ifp;
5341
5342 sc = context;
5343 ifp = sc->ifp;
5344
5345 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5346 "%s: Rx done task\n",
5347 device_get_nameunit(sc->dev));
5348
5349 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5350 return;
5351
5352 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
5353 {
5354 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5355 "%s: Rx done task: scheduling again\n",
5356 device_get_nameunit(sc->dev));
5357
5358 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
5359 }
5360 }
5361
5362 /*
5363 * rt2870_tx_done_task
5364 */
5365 static void rt2870_tx_done_task(void *context, int pending)
5366 {
5367 struct rt2870_softc *sc;
5368 struct ifnet *ifp;
5369 int i;
5370
5371 sc = context;
5372 ifp = sc->ifp;
5373
5374 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5375 "%s: Tx done task\n",
5376 device_get_nameunit(sc->dev));
5377
5378 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5379 return;
5380
5381 for (i = sc->usb_endpoints - 2; i >= 0; i--)
5382 {
5383 if (sc->tx_qid_pending_mask & (1 << i))
5384 {
5385 sc->tx_qid_pending_mask &= ~(1 << i);
5386
5387 rt2870_tx_eof(sc, &sc->tx_ring[i]);
5388 }
5389 }
5390
5391 if (sc->tx_qid_pending_mask != 0)
5392 {
5393 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5394 "%s: Tx done task: scheduling again\n",
5395 device_get_nameunit(sc->dev));
5396
5397 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
5398 }
5399
5400 sc->tx_timer = 0;
5401
5402 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
5403 }
5404
5405 /*
5406 * rt2870_periodic_task
5407 */
5408 static void rt2870_periodic_task(void *context, int pending)
5409 {
5410 struct rt2870_softc *sc;
5411 struct ifnet *ifp;
5412 struct ieee80211com *ic;
5413 struct ieee80211vap *vap;
5414
5415 sc = context;
5416 ifp = sc->ifp;
5417 ic = ifp->if_l2com;
5418 vap = TAILQ_FIRST(&ic->ic_vaps);
5419
5420 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
5421 "%s: periodic task: round=%lu\n",
5422 device_get_nameunit(sc->dev), sc->periodic_round);
5423
5424 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
5425 return;
5426
5427 RT2870_SOFTC_LOCK(sc);
5428
5429 sc->periodic_round++;
5430
5431 rt2870_update_stats(sc);
5432
5433 if ((sc->periodic_round % 10) == 0)
5434 {
5435 rt2870_bbp_tuning(sc);
5436
5437 rt2870_update_raw_counters(sc);
5438
5439 rt2870_watchdog(sc);
5440
5441 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
5442 {
5443 if (vap->iv_opmode == IEEE80211_M_STA)
5444 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
5445 else
5446 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
5447 }
5448 }
5449
5450 RT2870_SOFTC_UNLOCK(sc);
5451
5452 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
5453 }
5454
5455 /*
5456 * rt2870_cmd_task
5457 */
5458 static void rt2870_cmd_task(void *context, int pending)
5459 {
5460 struct rt2870_softc *sc;
5461 struct rt2870_softc_cmd_ring *ring;
5462 struct rt2870_softc_cmd *cmd;
5463
5464 sc = context;
5465 ring = &sc->cmd_ring;
5466
5467 if (!(sc->flags & RT2870_SOFTC_FLAGS_VALID))
5468 return;
5469
5470 while (1)
5471 {
5472 RT2870_SOFTC_LOCK(sc);
5473
5474 cmd = STAILQ_FIRST(&ring->active);
5475 if (cmd == NULL)
5476 {
5477 RT2870_SOFTC_UNLOCK(sc);
5478 break;
5479 }
5480
5481 STAILQ_REMOVE_HEAD(&ring->active, next);
5482
5483 RT2870_SOFTC_UNLOCK(sc);
5484
5485 cmd->cb(sc, cmd->data);
5486
5487 RT2870_SOFTC_LOCK(sc);
5488
5489 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5490 ring->queued--;
5491
5492 RT2870_SOFTC_UNLOCK(sc);
5493 }
5494 }
5495
5496 /*
5497 * rt2870_rx_eof
5498 */
5499 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
5500 {
5501 struct ifnet *ifp;
5502 struct rt2870_softc_rx_ring *ring;
5503 struct rt2870_softc_rx_data *data;
5504 uint32_t dmalen;
5505 uint8_t *buf;
5506 int nframes, len;
5507
5508 ifp = sc->ifp;
5509 ring = &sc->rx_ring;
5510
5511 nframes = 0;
5512
5513 while (limit != 0)
5514 {
5515 RT2870_SOFTC_LOCK(sc);
5516
5517 data = STAILQ_FIRST(&ring->done);
5518 if (data == NULL)
5519 {
5520 RT2870_SOFTC_UNLOCK(sc);
5521 break;
5522 }
5523
5524 STAILQ_REMOVE_HEAD(&ring->done, next);
5525
5526 RT2870_SOFTC_UNLOCK(sc);
5527
5528 buf = data->buf;
5529 len = data->len;
5530
5531 if (len < RT2870_RX_DESC_SIZE)
5532 {
5533 ifp->if_ierrors++;
5534 goto skip;
5535 }
5536
5537 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
5538 {
5539 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
5540
5541 if (dmalen == 0 || (dmalen & 3) != 0)
5542 {
5543 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5544 "%s: bad DMA len=%u\n",
5545 device_get_nameunit(sc->dev), dmalen);
5546 goto skip;
5547 }
5548
5549 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
5550 {
5551 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5552 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
5553 device_get_nameunit(sc->dev),
5554 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
5555 goto skip;
5556 }
5557
5558 nframes++;
5559
5560 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
5561
5562 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5563 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
5564 }
5565
5566 skip:
5567
5568 RT2870_SOFTC_LOCK(sc);
5569
5570 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5571
5572 usbd_transfer_start(sc->usb_xfer[0]);
5573
5574 RT2870_SOFTC_UNLOCK(sc);
5575
5576 limit--;
5577 }
5578
5579 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
5580 "%s: Rx eof: nframes=%d\n",
5581 device_get_nameunit(sc->dev), nframes);
5582
5583 sc->rx_packets += nframes;
5584
5585 return (limit == 0);
5586 }
5587
5588 /*
5589 * rt2870_tx_eof
5590 */
5591 static void rt2870_tx_eof(struct rt2870_softc *sc,
5592 struct rt2870_softc_tx_ring *ring)
5593 {
5594 struct ifnet *ifp;
5595 struct rt2870_softc_tx_data *data;
5596 int nframes;
5597
5598 ifp = sc->ifp;
5599
5600 nframes = 0;
5601
5602 while (1)
5603 {
5604 RT2870_SOFTC_LOCK(sc);
5605
5606 data = STAILQ_FIRST(&ring->done);
5607 if (data == NULL)
5608 {
5609 RT2870_SOFTC_UNLOCK(sc);
5610 break;
5611 }
5612
5613 STAILQ_REMOVE_HEAD(&ring->done, next);
5614
5615 rt2870_drain_fifo_stats(sc);
5616
5617 RT2870_SOFTC_UNLOCK(sc);
5618
5619 nframes++;
5620
5621 if (data->m->m_flags & M_TXCB)
5622 ieee80211_process_callback(data->ni, data->m, 0);
5623
5624 m_freem(data->m);
5625
5626 ieee80211_free_node(data->ni);
5627
5628 data->m = NULL;
5629 data->ni = NULL;
5630
5631 RT2870_SOFTC_LOCK(sc);
5632
5633 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5634
5635 ring->queued--;
5636 ifp->if_opackets++;
5637
5638 RT2870_SOFTC_UNLOCK(sc);
5639 }
5640
5641 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
5642 "%s: Tx eof: qid=%d, nframes=%d\n",
5643 device_get_nameunit(sc->dev), ring->qid, nframes);
5644 }
5645
5646 /*
5647 * rt2870_update_stats
5648 */
5649 static void rt2870_update_stats(struct rt2870_softc *sc)
5650 {
5651 struct ifnet *ifp;
5652 struct ieee80211com *ic;
5653 uint32_t stacnt[3];
5654 int beacons, noretryok, retryok, failed, underflows, zerolen;
5655
5656 ifp = sc->ifp;
5657 ic = ifp->if_l2com;
5658
5659 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5660 "%s: update statistic\n",
5661 device_get_nameunit(sc->dev));
5662
5663 rt2870_drain_fifo_stats(sc);
5664
5665 /* read and clear Tx statistic registers */
5666
5667 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
5668 stacnt, sizeof(stacnt));
5669
5670 stacnt[0] = le32toh(stacnt[0]);
5671 stacnt[1] = le32toh(stacnt[1]);
5672 stacnt[2] = le32toh(stacnt[2]);
5673
5674 beacons = stacnt[0] >> 16;
5675 noretryok = stacnt[1] & 0xffff;
5676 retryok = stacnt[1] >> 16;
5677 failed = stacnt[0] & 0xffff;
5678 underflows = stacnt[2] >> 16;
5679 zerolen = stacnt[2] & 0xffff;
5680
5681 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5682 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d, underflows=%d, zerolen=%d\n",
5683 device_get_nameunit(sc->dev),
5684 beacons, noretryok, retryok, failed, underflows, zerolen);
5685
5686 ifp->if_oerrors += failed;
5687
5688 sc->tx_beacons += beacons;
5689 sc->tx_noretryok += noretryok;
5690 sc->tx_retryok += retryok;
5691 sc->tx_failed += failed;
5692 sc->tx_underflows += underflows;
5693 sc->tx_zerolen += zerolen;
5694 }
5695
5696 /*
5697 * rt2870_bbp_tuning
5698 */
5699 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5700 {
5701 struct ifnet *ifp;
5702 struct ieee80211com *ic;
5703 struct ieee80211vap *vap;
5704 struct ieee80211_node *ni;
5705 int chan, group;
5706 int8_t rssi, old, new;
5707
5708 /* RT2860C does not support BBP tuning */
5709
5710 if (sc->mac_rev == 0x28600100)
5711 return;
5712
5713 ifp = sc->ifp;
5714 ic = ifp->if_l2com;
5715 vap = TAILQ_FIRST(&ic->ic_vaps);
5716
5717 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5718 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5719 return;
5720
5721 ni = vap->iv_bss;
5722
5723 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5724
5725 if (chan <= 14)
5726 group = 0;
5727 else if (chan <= 64)
5728 group = 1;
5729 else if (chan <= 128)
5730 group = 2;
5731 else
5732 group = 3;
5733
5734 rssi = ieee80211_getrssi(vap);
5735
5736 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5737 {
5738 new = 0x2e + sc->lna_gain[group];
5739 }
5740 else
5741 {
5742 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5743 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5744 else
5745 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5746 }
5747
5748 /* Tune if absolute average RSSI is greater than -80 */
5749
5750 if (rssi > 30)
5751 new += 0x10;
5752
5753 old = rt2870_io_bbp_read(sc, 66);
5754
5755 if (old != new)
5756 rt2870_io_bbp_write(sc, 66, new);
5757 }
5758
5759 /*
5760 * rt2870_watchdog
5761 */
5762 static void rt2870_watchdog(struct rt2870_softc *sc)
5763 {
5764 uint32_t tmp;
5765 int ntries;
5766
5767 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5768
5769 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5770 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5771 device_get_nameunit(sc->dev), tmp);
5772
5773 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5774 {
5775 sc->tx_queue_not_empty[0]++;
5776
5777 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5778
5779 for (ntries = 0; ntries < 10; ntries++)
5780 {
5781 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5782 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5783 break;
5784
5785 DELAY(1);
5786 }
5787
5788 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5789 }
5790
5791 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5792 {
5793 sc->tx_queue_not_empty[1]++;
5794
5795 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5796
5797 for (ntries = 0; ntries < 10; ntries++)
5798 {
5799 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5800 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5801 break;
5802
5803 DELAY(1);
5804 }
5805
5806 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5807 }
5808 }
5809
5810 /*
5811 * rt2870_drain_fifo_stats
5812 */
5813 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5814 {
5815 struct ifnet *ifp;
5816 uint32_t stats;
5817 uint8_t wcid, mcs, pid;
5818 int ok, agg, retrycnt;
5819
5820 ifp = sc->ifp;
5821
5822 /* drain Tx status FIFO (maxsize = 16) */
5823
5824 while ((sc->flags & RT2870_SOFTC_FLAGS_VALID) &&
5825 ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5826 RT2870_REG_TX_STA_FIFO_VALID))
5827 {
5828 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5829 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5830
5831 /* if no ACK was requested, no feedback is available */
5832
5833 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == RT2870_WCID_RESERVED)
5834 continue;
5835
5836 /* update AMRR statistic */
5837
5838 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5839 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5840 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5841 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5842 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5843 RT2870_REG_TX_STA_FIFO_PID_MASK;
5844 retrycnt = (mcs < 0xf) ? (pid - mcs - 1) : 0;
5845
5846 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5847 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5848 device_get_nameunit(sc->dev),
5849 wcid, ok, agg, mcs, pid, retrycnt);
5850
5851 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5852
5853 if (!ok)
5854 ifp->if_oerrors++;
5855 }
5856 }
5857
5858 /*
5859 * rt2870_update_raw_counters
5860 */
5861 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5862 {
5863 uint32_t tmp;
5864
5865 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5866
5867 sc->tx_nonagg += tmp & 0xffff;
5868 sc->tx_agg += tmp >> 16;
5869
5870 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5871
5872 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5873
5874 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5875
5876 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5877
5878 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5879
5880 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5881
5882 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5883
5884 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5885
5886 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5887
5888 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5889
5890 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5891
5892 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5893
5894 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5895
5896 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5897
5898 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5899
5900 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5901
5902 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5903
5904 sc->rx_crc_errors += tmp & 0xffff;
5905 sc->rx_phy_errors += tmp >> 16;
5906
5907 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5908
5909 sc->rx_false_ccas += tmp & 0xffff;
5910 sc->rx_plcp_errors += tmp >> 16;
5911
5912 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5913
5914 sc->rx_dup_packets += tmp & 0xffff;
5915 sc->rx_fifo_overflows += tmp >> 16;
5916
5917 tmp = rt2870_io_mac_read(sc, RT2870_REG_TXRX_MPDU_DEN_CNT);
5918
5919 sc->tx_mpdu_zero_density += tmp & 0xffff;
5920 sc->rx_mpdu_zero_density += tmp >> 16;
5921 }
5922
5923 /*
5924 * rt2870_txrx_enable
5925 */
5926 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5927 {
5928 struct ieee80211com *ic;
5929 struct ifnet *ifp;
5930 uint32_t tmp;
5931 int ntries;
5932
5933 ifp = sc->ifp;
5934 ic = ifp->if_l2com;
5935
5936 /* enable Tx/Rx DMA engine */
5937
5938 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5939
5940 tmp &= 0xffffff00;
5941 tmp |= 0x1e;
5942
5943 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5944
5945 if ((sc->mac_rev & 0xffff) != 0x0101)
5946 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5947
5948 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5949
5950 for (ntries = 0; ntries < 200; ntries++)
5951 {
5952 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5953 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5954 break;
5955
5956 DELAY(1000);
5957 }
5958
5959 if (ntries == 200)
5960 {
5961 printf("%s: timeout waiting for DMA engine\n",
5962 device_get_nameunit(sc->dev));
5963 return -1;
5964 }
5965
5966 DELAY(50);
5967
5968 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5969 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5970 (48 << 16) | 96);
5971
5972 tmp |= RT2870_REG_TX_WB_DDONE |
5973 RT2870_REG_RX_DMA_ENABLE |
5974 RT2870_REG_TX_DMA_ENABLE;
5975
5976 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5977
5978 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5979 RT2870_REG_USB_DMA_RX_ENABLE |
5980 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5981 /* Rx agg limit in unit of 1024 byte */
5982 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5983 /* Rx agg timeout in unit of 33ns */
5984 0x80;
5985
5986 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5987
5988 /* set Rx filter */
5989
5990 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5991 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5992
5993 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5994 {
5995 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5996 RT2870_REG_RX_FILTER_DROP_CTS |
5997 RT2870_REG_RX_FILTER_DROP_BA |
5998 RT2870_REG_RX_FILTER_DROP_ACK |
5999 RT2870_REG_RX_FILTER_DROP_VER_ERR |
6000 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
6001 RT2870_REG_RX_FILTER_DROP_CFACK |
6002 RT2870_REG_RX_FILTER_DROP_CFEND;
6003
6004 if (ic->ic_opmode == IEEE80211_M_STA)
6005 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
6006 RT2870_REG_RX_FILTER_DROP_PSPOLL;
6007
6008 if (!(ifp->if_flags & IFF_PROMISC))
6009 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
6010 }
6011
6012 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
6013
6014 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
6015 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
6016
6017 return 0;
6018 }
6019
6020 /*
6021 * rt2870_alloc_rx_ring
6022 */
6023 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
6024 struct rt2870_softc_rx_ring *ring)
6025 {
6026 struct rt2870_softc_rx_data *data;
6027 int i, error;
6028
6029 STAILQ_INIT(&ring->inactive);
6030 STAILQ_INIT(&ring->active);
6031 STAILQ_INIT(&ring->done);
6032
6033 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6034 {
6035 data = &ring->data[i];
6036
6037 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
6038 if (data->buf == NULL)
6039 {
6040 printf("%s: could not allocate Rx buffer\n",
6041 device_get_nameunit(sc->dev));
6042 error = ENOMEM;
6043 goto fail;
6044 }
6045
6046 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6047 }
6048
6049 return 0;
6050
6051 fail:
6052
6053 rt2870_free_rx_ring(sc, ring);
6054
6055 return error;
6056 }
6057
6058 /*
6059 * rt2870_reset_rx_ring
6060 */
6061 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
6062 struct rt2870_softc_rx_ring *ring)
6063 {
6064 struct rt2870_softc_rx_data *data;
6065 int i;
6066
6067 STAILQ_INIT(&ring->inactive);
6068 STAILQ_INIT(&ring->active);
6069 STAILQ_INIT(&ring->done);
6070
6071 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6072 {
6073 data = &ring->data[i];
6074
6075 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6076 }
6077 }
6078
6079 /*
6080 * rt2870_free_rx_ring
6081 */
6082 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
6083 struct rt2870_softc_rx_ring *ring)
6084 {
6085 struct rt2870_softc_rx_data *data;
6086 int i;
6087
6088 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
6089 {
6090 data = &ring->data[i];
6091
6092 if (data->buf != NULL)
6093 {
6094 free(data->buf, M_USBDEV);
6095 data->buf = NULL;
6096 }
6097 }
6098 }
6099
6100 /*
6101 * rt2870_alloc_tx_ring
6102 */
6103 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
6104 struct rt2870_softc_tx_ring *ring, int qid)
6105 {
6106 struct rt2870_softc_tx_data *data;
6107 int i, error;
6108
6109 STAILQ_INIT(&ring->inactive);
6110 STAILQ_INIT(&ring->pending);
6111 STAILQ_INIT(&ring->active);
6112 STAILQ_INIT(&ring->done);
6113
6114 ring->queued = 0;
6115 ring->qid = qid;
6116
6117 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6118 {
6119 data = &ring->data[i];
6120
6121 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
6122 if (data->buf == NULL)
6123 {
6124 printf("%s: could not allocate Tx buffer\n",
6125 device_get_nameunit(sc->dev));
6126 error = ENOMEM;
6127 goto fail;
6128 }
6129
6130 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
6131
6132 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6133 }
6134
6135 return 0;
6136
6137 fail:
6138
6139 rt2870_free_tx_ring(sc, ring);
6140
6141 return error;
6142 }
6143
6144 /*
6145 * rt2870_reset_tx_ring
6146 */
6147 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
6148 struct rt2870_softc_tx_ring *ring)
6149 {
6150 struct rt2870_softc_tx_data *data;
6151 int i;
6152
6153 STAILQ_INIT(&ring->inactive);
6154 STAILQ_INIT(&ring->pending);
6155 STAILQ_INIT(&ring->active);
6156 STAILQ_INIT(&ring->done);
6157
6158 ring->queued = 0;
6159
6160 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6161 {
6162 data = &ring->data[i];
6163
6164 if (data->m != NULL)
6165 {
6166 m_free(data->m);
6167 data->m = NULL;
6168 }
6169
6170 if (data->ni != NULL)
6171 {
6172 ieee80211_free_node(data->ni);
6173 data->ni = NULL;
6174 }
6175
6176 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
6177 }
6178 }
6179
6180 /*
6181 * rt2870_free_tx_ring
6182 */
6183 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
6184 struct rt2870_softc_tx_ring *ring)
6185 {
6186 struct rt2870_softc_tx_data *data;
6187 int i;
6188
6189 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
6190 {
6191 data = &ring->data[i];
6192
6193 if (data->buf != NULL)
6194 {
6195 free(data->buf, M_USBDEV);
6196 data->buf = NULL;
6197 }
6198
6199 if (data->m != NULL)
6200 {
6201 m_free(data->m);
6202 data->m = NULL;
6203 }
6204
6205 if (data->ni != NULL)
6206 {
6207 ieee80211_free_node(data->ni);
6208 data->ni = NULL;
6209 }
6210 }
6211 }
6212
6213 /*
6214 * rt2870_reset_cmd_ring
6215 */
6216 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
6217 struct rt2870_softc_cmd_ring *ring)
6218 {
6219 struct rt2870_softc_cmd *cmd;
6220 int i;
6221
6222 STAILQ_INIT(&ring->inactive);
6223 STAILQ_INIT(&ring->active);
6224
6225 ring->queued = 0;
6226
6227 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
6228 {
6229 cmd = &ring->cmd[i];
6230
6231 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
6232 }
6233 }
6234
6235 /*
6236 * rt2870_sysctl_attach
6237 */
6238 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
6239 {
6240 struct sysctl_ctx_list *ctx;
6241 struct sysctl_oid *tree;
6242 struct sysctl_oid *stats;
6243
6244 ctx = device_get_sysctl_ctx(sc->dev);
6245 tree = device_get_sysctl_tree(sc->dev);
6246
6247 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6248 "tx_stbc", CTLFLAG_RW, &sc->tx_stbc, 0,
6249 "Tx STBC");
6250
6251 /* statistic counters */
6252
6253 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
6254 "stats", CTLFLAG_RD, 0, "statistic");
6255
6256 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6257 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
6258 "all interrupts");
6259
6260 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6261 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
6262 "Rx interrupts");
6263
6264 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6265 {
6266 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6267 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
6268 "Tx MGMT interrupts");
6269
6270 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6271 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
6272 "Tx HCCA interrupts");
6273 }
6274
6275 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6276 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
6277 "Tx AC3 interrupts");
6278
6279 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6280 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
6281 "Tx AC2 interrupts");
6282
6283 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6284 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
6285 "Tx AC1 interrupts");
6286
6287 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6288 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
6289 "Tx AC0 interrupts");
6290
6291 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6292 {
6293 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6294 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
6295 "Tx MGMT data queued");
6296
6297 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6298 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
6299 "Tx HCCA data queued");
6300 }
6301
6302 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6303 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
6304 "Tx AC3 data queued");
6305
6306 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6307 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
6308 "Tx AC2 data queued");
6309
6310 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6311 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
6312 "Tx AC1 data queued");
6313
6314 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6315 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
6316 "Tx AC0 data queued");
6317
6318 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
6319 {
6320 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6321 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
6322 "Tx MGMT data queue full");
6323
6324 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6325 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
6326 "Tx HCCA data queue full");
6327 }
6328
6329 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6330 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
6331 "Tx AC3 data queue full");
6332
6333 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6334 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
6335 "Tx AC2 data queue full");
6336
6337 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6338 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
6339 "Tx AC1 data queue full");
6340
6341 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6342 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
6343 "Tx AC0 data queue full");
6344
6345 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6346 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
6347 "Tx watchdog timeouts");
6348
6349 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6350 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
6351 "Rx mbuf allocation errors");
6352
6353 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6354 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
6355 "Tx queue 0 not empty");
6356
6357 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6358 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
6359 "Tx queue 1 not empty");
6360
6361 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6362 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
6363 "Tx beacons");
6364
6365 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6366 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
6367 "Tx successfull without retries");
6368
6369 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6370 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
6371 "Tx successfull with retries");
6372
6373 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6374 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
6375 "Tx failed");
6376
6377 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6378 "tx_underflows", CTLFLAG_RD, &sc->tx_underflows, 0,
6379 "Tx underflows");
6380
6381 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6382 "tx_zerolen", CTLFLAG_RD, &sc->tx_zerolen, 0,
6383 "Tx zero length");
6384
6385 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6386 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
6387 "Tx non-aggregated");
6388
6389 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6390 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
6391 "Tx aggregated");
6392
6393 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6394 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
6395 "Tx A-MPDU");
6396
6397 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6398 "tx_mpdu_zero_density", CTLFLAG_RD, &sc->tx_mpdu_zero_density, 0,
6399 "Tx MPDU with zero density");
6400
6401 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6402 "tx_ampdu_sessions", CTLFLAG_RD, &sc->tx_ampdu_sessions, 0,
6403 "Tx A-MPDU sessions");
6404
6405 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6406 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
6407 "Rx packets");
6408
6409 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6410 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
6411 "Rx A-MPDU");
6412
6413 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6414 "rx_mpdu_zero_density", CTLFLAG_RD, &sc->rx_mpdu_zero_density, 0,
6415 "Rx MPDU with zero density");
6416
6417 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6418 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
6419 "Rx A-MSDU");
6420
6421 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6422 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
6423 "Rx CRC errors");
6424
6425 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6426 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
6427 "Rx PHY errors");
6428
6429 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6430 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
6431 "Rx false CCAs");
6432
6433 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6434 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
6435 "Rx PLCP errors");
6436
6437 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6438 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
6439 "Rx duplicate packets");
6440
6441 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6442 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
6443 "Rx FIFO overflows");
6444
6445 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6446 "rx_cipher_no_errors", CTLFLAG_RD, &sc->rx_cipher_no_errors, 0,
6447 "Rx cipher no errors");
6448
6449 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6450 "rx_cipher_icv_errors", CTLFLAG_RD, &sc->rx_cipher_icv_errors, 0,
6451 "Rx cipher ICV errors");
6452
6453 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6454 "rx_cipher_mic_errors", CTLFLAG_RD, &sc->rx_cipher_mic_errors, 0,
6455 "Rx cipher MIC errors");
6456
6457 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
6458 "rx_cipher_invalid_key_errors", CTLFLAG_RD, &sc->rx_cipher_invalid_key_errors, 0,
6459 "Rx cipher invalid key errors");
6460 }
6461
6462 static device_method_t rt2870_dev_methods[] =
6463 {
6464 DEVMETHOD(device_probe, rt2870_probe),
6465 DEVMETHOD(device_attach, rt2870_attach),
6466 DEVMETHOD(device_detach, rt2870_detach),
6467 { 0, 0 }
6468 };
6469
6470 static driver_t rt2870_driver =
6471 {
6472 "rt2870",
6473 rt2870_dev_methods,
6474 sizeof(struct rt2870_softc),
6475 };
6476
6477 static devclass_t rt2870_dev_class;
6478
6479 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
6480 NULL, 0);
6481
6482 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
6483 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870